WO2006011599A1 - 車両用シートの乗員重量測定装置 - Google Patents
車両用シートの乗員重量測定装置 Download PDFInfo
- Publication number
- WO2006011599A1 WO2006011599A1 PCT/JP2005/013945 JP2005013945W WO2006011599A1 WO 2006011599 A1 WO2006011599 A1 WO 2006011599A1 JP 2005013945 W JP2005013945 W JP 2005013945W WO 2006011599 A1 WO2006011599 A1 WO 2006011599A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- load sensor
- load
- upper rail
- movable upper
- frame
- Prior art date
Links
- 238000012423 maintenance Methods 0.000 abstract description 16
- 238000005259 measurement Methods 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 210000001217 buttock Anatomy 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
- B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
- B60N2/0024—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement for identifying, categorising or investigation of the occupant or object on the seat
- B60N2/0025—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement for identifying, categorising or investigation of the occupant or object on the seat by using weight measurement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
- B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
- B60N2/003—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat
- B60N2/0031—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat mounted on the frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/07—Slide construction
- B60N2/0722—Constructive details
- B60N2/0732—Attachment of seat frame to the slide, e.g. eyelets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4249—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash
- B60N2/4256—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash the shape of the seat being specially adapted for a particular purpose or for particular vehicles
- B60N2/4263—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash the shape of the seat being specially adapted for a particular purpose or for particular vehicles with anti-submarining systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
- B60N2/686—Panel like structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/01516—Passenger detection systems using force or pressure sensing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/01516—Passenger detection systems using force or pressure sensing means
- B60R21/0152—Passenger detection systems using force or pressure sensing means using strain gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
- G01G19/413—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means
- G01G19/414—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only
- G01G19/4142—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only for controlling activation of safety devices, e.g. airbag systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2210/00—Sensor types, e.g. for passenger detection systems or for controlling seats
- B60N2210/40—Force or pressure sensors
- B60N2210/42—Strain gauges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
Definitions
- Vehicle seat occupant weight measurement device
- the present invention relates to an occupant weight measuring device for a vehicle seat that measures the weight of an occupant seated on the vehicle seat.
- the operation of the safety device may be controlled in accordance with the weight of a passenger seated on the vehicle seat.
- a load sensor is interposed between the vehicle floor and the vehicle seat (see, for example, Patent Document 1 and Patent Document 2).
- Patent Document 1 Japanese Patent Laid-Open No. 10-297334
- Patent Document 2 JP-A-11-304579
- the load sensor is disposed in a narrow space between the vehicle floor and the vehicle seat, it is difficult to perform maintenance of the load sensor. In addition, if the entire vehicle seat is removed for easy maintenance, the maintenance work efficiency will deteriorate.
- an object of the present invention is to facilitate the maintenance of a load sensor.
- the vehicle seat occupant weight measuring device is provided so as to be movable back and forth on a fixed rail fixed to the vehicle side.
- a movable rail a load sensor mounted on the upper surface of the movable rail, a cushion frame mounted on the load sensor, and detachable from the cushion frame so as to cover the cushion frame above the load sensor.
- Bread provided in A frame.
- the load sensor can be maintained simply by removing the pan frame.
- the load sensor can be maintained without disassembling and disassembling the cushion frame of the vehicle seat, the maintenance efficiency of the load sensor is improved.
- the pan frame is fastened to the cushion frame by screws.
- pan frame is fastened to the cushion frame by the screws! /,
- the pan frame can be removed by simply loosening the screws.
- the cushion frame is formed with a hollow portion recessed sideward so as to avoid the load sensor when viewed from above.
- the vehicle seat occupant weight measuring device includes a movable rail provided to be movable back and forth on a fixed rail fixed to the vehicle side, and the movable rail. And a cushion frame mounted on the load sensor, and the cushion frame has a recessed portion recessed laterally so as to avoid the load sensor when viewed from above. It is formed.
- FIG. 1 is a perspective view of an occupant weight measuring device 1 for a vehicle seat.
- FIG. 2 is an exploded perspective view of the occupant weight measuring device 1.
- FIG. 3 is a plan view of the occupant weight measuring device 1.
- FIG. 4A is a side view of the mounting structure of the submarine pipe 11.
- FIG. 4B is a plan view of the mounting structure of the submarine pipe 11.
- 4C is a cross-sectional view taken along the line IV-IV in FIG. 4B.
- FIG. 5 is a perspective view of the left load sensor 50.
- FIG. 6 is an exploded perspective view showing a mounting structure of the load sensor 60.
- FIG. 7 is a perspective view of a load sensor 70 on the right.
- FIG. 8 is an exploded perspective view showing a load sensor 80 mounting structure.
- FIG. 9 is a perspective view of occupant weight measuring device 1 with pan frame 143 removed.
- FIG. 1 is a perspective view of a passenger weight measuring device 1 for a vehicle seat
- FIG. 2 is an exploded perspective view of the passenger weight measuring device 1
- the occupant weight measuring device 1 is provided at the lower part of a seat cushion on which an occupant is seated.
- the occupant weight measuring device 1 is for a vehicle seat on the right seat of a passenger car, and a seat belt buckle is provided on the left side of the occupant weight measuring device 1 so that a tongue plate of the seat belt can be stopped by the buckle. Become! / Speak.
- a pair of left and right seat sliders 2 that are parallel to each other are attached to the floor of the passenger compartment.
- Both seat sliders 2 extend in the front-rear direction of the vehicle and are fixed to the fixed lower rail 3 fixed to the floor of the passenger compartment, and can be slid in the front-rear direction on the fixed lower rail 3 with respect to the fixed lower rail 3.
- a movable upper rail 4 engaged with the lower rail 3.
- the left end of the lower bracket 5 is coupled with a bolt and nut 6
- the right end of the lower bracket 5 is fixed to the lower surface of the right fixed lower rail 3 by a bolt and nut joint 7.
- the lower bracket 5 spans the left and right fixed lower rails 3 to improve the rigidity and suppress the variation in the distance between the left and right fixed lower rails 3.
- a bracket 8 is fixed to the upper surface of the left movable upper rail 4 at the center in the front-rear direction by a bolt and nut joint 10, and is the upper surface of the right movable upper rail 4 at the center in the front-rear direction.
- the bracket 9 is fixed to the part by bolts and nuts. Both brackets 8 and 9 are formed in an L shape when viewed from the front, and are provided so as to stand up against the upper surface of each movable upper rail 4.
- FIGS. 4A to 4C A submarine pipe 11 is installed between the brackets 8 and 9.
- the brackets 8 and 9 and the submarine pipe 11 will be described in detail with reference to FIGS. 4A to 4C.
- 4A is a left side view
- FIG. 4B is a top view
- FIG. 4C is a cross-sectional view of section IV-IV in FIG. 4B in the direction of the arrow.
- the left bracket 8 has a mounting hole penetrating in the left-right direction.
- the left end of the submarine pipe 11 is inserted into the mounting hole, and the bracket 8 and the submarine nozzle 11 are fixed by welding.
- the right bracket 9 also has a mounting hole penetrating in the left-right direction, and a nylon bush 12 provided in a ring shape is fitted into the mounting hole.
- the bush 12 is locked to the bracket 9 in a state along the edge of the mounting hole, and movement of the bush 12 in the penetration direction of the mounting hole is suppressed.
- the right end of the submarine pipe 11 is inserted into the bush 12 so that the submarine pipe 11 can slide in the mounting hole penetration direction with respect to the bush 12.
- the mounting hole of the bracket 9 is formed so that the cross-sectional area of the submarine pipe 11 (here, the area at the right end) is larger than the area of the mounting hole at a position away from the right end of the submarine nozzle 11 by a predetermined distance. ing.
- the submarine pipe 11 is provided in a shape (a trumpet shape) that expands toward the right end on the right side of the mounting hole of the bracket 9 so that the submarine pipe 11 does not come out of the bush 12 and the mounting hole. Yes.
- a shape a trumpet shape
- the cross-sectional area of the submarine pipe 11 including the flange becomes larger than the mounting hole, and The submarine pipe 11 can be removed from the bush 12 and mounting hole.
- the submarine pipe 11 is fixed to the left bracket 8 and is slidable in the left-right direction with respect to the right bracket 9.
- the bracket 8 is slidable in the left-right direction and may be fixed to the right bracket 9, or the submarine pipe 11 is slid in the left-right direction with respect to both the left and right brackets 8, 9. It's okay to be mobile.
- a load sensor 50 is mounted on the upper surface of the left movable upper rail 4 at the front end thereof, and the upper surface of the left movable upper rail 4 at the rear end thereof.
- a load sensor 60 is mounted on the part. The load sensors 50 and 60 detect the load as an electrical signal.
- FIG. 5 is a perspective view of the front left load sensor 50.
- the left front load sensor 50 includes a columnar sensing unit 52 that detects a load, a plate-like flange 51 that horizontally extends the lower end force of the sensing unit 52 forward and rearward, and A load input rod 53 whose upper end force of the sensing part 52 extends upward and a connector 54 which extends from the sensing part 52 so as to be parallel to the flange 51 are provided.
- a female screw-like circular hole 55 penetrating in the vertical direction is formed in the front part and the rear part of the flange 51, respectively, and one circular hole 55 is directly below the connector 54.
- a screw thread is formed on the outer periphery of the load input rod 53.
- the sensing unit 52 has a built-in strain gauge, and the strain gauge converts a load into an electrical signal.
- FIG. 6 is an exploded perspective view showing the rear end portion of the left movable upper rail 4.
- the left rear load sensor 60 includes a flange 61, a sensing unit 62, a load input rod 63, and a connector 64, similarly to the left front load sensor 50. Between the left front load sensor 50 and the left rear load sensor 60, the parts corresponding to each other are denoted by a common last one-digit code, and description of each part of the left rear load sensor 60 is omitted.
- the left rear load sensor 60 is attached to the rear end of the left movable upper rail 4 as shown in FIG.
- the lower surface of the flange 61 abuts the upper surface of the movable upper rail 4 on the left side, and the male upper thread 67, 67 is pushed through the movable upper rail 4 from the bottom to the top of the movable upper rail 4. ing.
- the movable upper rail 4 is sandwiched between the heads of the male screws 67 and 67 and the flange 61, whereby the load sensor 60 is fixed to the upper surface of the movable upper rail 4.
- the left front load sensor 50 is also provided with male screws 57, 57 passing through the movable upper rail 4 from the bottom to the top of the left movable upper rail 4 in the same manner as the load sensor 60.
- the load sensor 50 is fixed to the upper surface of the front portion of the movable upper rail 4 by being screwed into the circular holes 5 5 and 55.
- the left front load sensor 50 is directed toward the rear of the connector 54, and the left rear load sensor 60 is directed toward the front of the connector 64.
- a load sensor 70 is mounted on the upper surface of the right movable upper rail 4 at the front end thereof, and on the upper surface of the right movable upper rail 4 at the rear end thereof.
- the load sensor 80 is mounted.
- the load sensors 70 and 80 are provided for detecting the load as an electric signal.
- FIG. 7 is a perspective view of the load sensor 70 on the right front side.
- the load sensor 70 on the front right side includes a columnar sensing part 72 that detects a load, a plate-like flange 71 in which the lower end force of the sensing part 72 extends horizontally forward and backward, and A load input rod 73 whose upper end force of the sensing unit 72 also extends upward, and a connector 74 which extends from the sensing unit 72 so as to be parallel to the flange 71 are provided.
- One of the front part and the rear part of the flange 71 is formed with a long hole 75 penetrating in the vertical direction and having the left-right direction as the longitudinal direction, and the other is opened at an edge along the longitudinal direction of the flange 71.
- a notch 76 having a longitudinal direction in the left-right direction is formed.
- the notch 76 is formed in the flange 71 immediately below the connector 74.
- a thread is formed on the outer periphery of the load input rod 73.
- the sensing unit 72 has a built-in strain gauge, and the strain gauge converts a load into an electrical signal.
- FIG. 8 is an exploded perspective view showing the rear end portion of the movable upper rail 4.
- the right rear load sensor 80 includes a flange 81, a sensing portion 82, a load input rod 83, and a connector 84, similarly to the right front load sensor 70.
- the right front load sensor 70 and the right rear load sensor 80 are given the same last one-digit code to the corresponding parts, and the description of each part of the right rear load sensor 80 is omitted.
- the load sensor 80 on the right rear side of the movable upper rail 4 on the right side is shown in FIG. It is attached to the rear end.
- a slide plate 89 having substantially the same shape as the planar shape of the flange 81 abuts against the lower surface of the flange 81, and the flange 81 is gripped by four claws 90 formed on the edge of the slide plate 89.
- the slide plate 89 is formed with an elongated hole 89a penetrating in the vertical direction and having a longitudinal direction in the left-right direction.
- the slot 89 is opened at an edge along the longitudinal direction of the slide plate 89 and cut in the left-right direction as the longitudinal direction.
- the notch 89b is also formed in the slide plate 89.
- the elongated hole 89a corresponds to the elongated hole 85 of the load sensor 80
- the notch 89b corresponds to the notch 86 of the load sensor 80.
- the flange 81 is placed on the upper surface of the movable upper rail 4 with the slide plate 89 in contact with the upper surface of the right movable upper rail 4. Further, a step screw 87 inserted into the ring-shaped damper 91 and the slide member 92 is also inserted into the elongated hole 85 as a slider, and the step screw 87 is screwed into the movable upper rail 4 to be stepped. A screw 87 is erected with respect to the upper surface of the movable upper rail 4.
- a slide plate 89, a flange 81, a slide member 92 and a damper 91 are sandwiched, and the step screw 87 is slidable in the longitudinal direction of the long hole 85.
- step screw 88 inserted into the ring-shaped damper 93 and the slide member 94 is screwed into the movable upper rail 4 in a state where the step screw 88 is erected on the upper surface of the movable upper rail 4, and the step screw 88 is slid.
- notch 86 Inserted into notch 86 as a moving child!
- a slide plate 89, a flange 81, a slide material 94 and a damper 93 are sandwiched between the head of the step screw 88 and the movable upper rail 4, and the step screw 88 is slidable in the longitudinal direction of the notch 86. .
- the step screw 87 is in sliding contact with the longitudinal direction of the long hole 85, and the step screw 88 is in sliding contact with the longitudinal direction of the notch 86.
- the right rear load sensor 80 slides in the left-right direction with respect to the right movable upper rail 4 in the range up to the position where the stepped screw 87 contacts the right end of the long hole 85. It is possible to move.
- the mounting method of the load sensor 80 at the right rear is as follows. First, the step screw 88 is inserted in the order of the damper 93 and the slide member 94, and the force to screw the step screw 88 on the movable upper rail 4 so that the step screw 88 stands on the upper surface of the movable upper rail 4 The head of the step screw 88 is movable upper rail It should be separated from the top surface of 4. Next, the slide plate 89 is aligned with the flange 81 of the right rear load sensor 80, and the flange 81 is gripped by the claw 90 of the slide plate 89.
- the slide plate 89 The lunge 81 is brought into contact with the upper surface of the movable upper rail 4, the step screw 88 is inserted in the order of the damper 91 and the slide material 92, the step screw 87 is further inserted into the long hole 85, and the step screw 87 is inserted into the movable upper rail 4. Screwed on. In this state, the step screw 88 is not in the notch 86. Next, by rotating the right rear load sensor 80 around the step screw 87, the step screw 88 is inserted into the opening of the notch 86 at the edge of the flange 81, and the step screw 88 is locked to the notch 86. .
- the notch 86 immediately below the connector 84 prevents the connector 84 from becoming an obstacle, so that the step screw 88 cannot be inserted into the upper force notch 86 and screwed into the movable upper rail 4. Since the step screw 88 is screwed into the movable upper rail 4 in advance and the notch 86 is opened at the edge of the flange 81, the step screw 88 can be inserted into the notch 86 by the rotation of the load sensor 80. Further, since the flange 81 is sandwiched between the head of the stepped screw 88 and the movable upper rail 4, the load sensor 80 cannot be easily detached upward. Further, since the flange 81 of the load sensor 80 is gripped by the claw 90, the slide plate 89 does not slide relative to the flange 81 when the load sensor 80 rotates.
- the lower surface of the slide plate 89 is coated with grease or the like so that the slide plate 89 is easily slidable with respect to the movable upper rail 4.
- a coating such as grease may be applied to the lower surface of the flange 81 so that the flange 81 can slide easily with respect to the movable upper rail 4.
- the right front load sensor 70 is also mounted on the upper surface of the movable upper rail 4 in the same manner as the load sensor 80, and the right front load sensor 70 is also attached to the right rear load sensor 80. Is the same as That is, the slide plate 79 provided in the same manner as the slide plate 89 is held by the lower surface of the flange 71 by the claw, and the stepped screw 77 inserted into the damper 101 and the slide material 102 passes from the top through the elongated hole 75 to the movable upper rail.
- the load sensor 70 has the step screw 77 in the long hole 75.
- Position force that contacts the right end of the hole is also a position that contacts the left end of the slot 75 In the range up to this point, it is slidable in the left-right direction with respect to the right movable upper rail 4.
- the load sensor 70 on the right front is directed toward the rear of the connector 74
- the load sensor 80 on the right rear is directed toward the front of the connector 84.
- the four load sensors 50, 60, 70, 80 are mounted with a rectangular frame-shaped subframe 110 that is a part of the seat cushion frame. It is fixed.
- the subframe 110 includes a left patch member 111 extending in the front-rear direction, a right patch member 112 extending in the front-rear direction so as to be parallel to the patch member 111, and notch members 111, 112.
- a cross pipe 113 that is spanned between the rear ends of the rear member, and a front member 114 that is spanned between the front ends of the notch members 111 and 112.
- the patch member 111 is a U-shaped metal material having a web 115 and left and right flanges 116, 117.
- the front and rear lengths of the web 115 are longer than the front and rear lengths of the flanges 116 and 117, and the front end of the web 115 extends ahead of the front ends of the flanges 116 and 117. 116 are not provided.
- the right patch member 112 is also a U-shaped metal material having a web 118 and left and right flanges 119 and 120, and the webs 119 and 120 are not provided on the left and right of the front end portion of the web 118.
- a mounting hole 121 is formed at the front end of the web 115 of the left patch member 111, and a mounting hole 122 1S is formed through the rear end of the web 115 in the vertical direction.
- a mounting hole 123 is formed in the front end portion of the web 118 of the right patch member 112, and a mounting hole 124 is formed in the rear end portion of the web 118 so as to penetrate in the vertical direction.
- the front member 114 is a U-shaped metal material having a web and front and rear flanges. The left end of the front member 114 is welded to the upper surface of the front end portion where the web 115 extends, and the right end of the front member 114 is welded to the upper surface of the front end portion where the web 116 extends.
- a harness connected to the connectors 54, 64, 74, 84 of the load sensors 50, 60, 70, 80 is hung on the front member 114 by clips.
- a mounting hole penetrating in the left-right direction is formed at the rear end of the flange 116 of the left notch member 111.
- a cross pipe 113 is inserted into the mounting hole, and the cross pipe 113 and the flange 116 are welded. It is fixed by.
- Right patch member 112 flange 119 An attachment hole penetrating in the left-right direction is also formed at the rear end of the rear end portion.
- the cross pipe 113 is inserted into the attachment hole, and the cross pipe 113 and the flange 119 are fixed by welding.
- the subframe 110 framed as described above is attached to the load sensors 50, 60, 70, 80 as described below.
- the load input rod 53 of the left front load sensor 50 is inserted into the mounting hole 121 of the left patch member 111 from the bottom to the top, and the front end of the left patch member 111 is mounted on the sensing unit 52.
- a washer 131 is mounted on the load input rod 53
- a nut 132 is screwed onto the load input rod 53
- the washer 131 and the web 115 are sandwiched between the nut 132 and the upper surface of the sensing portion 52, and the nut
- the load input rod 53 is fixed to the front end portion of the left patch member 111 by tightening 132.
- the load input rod 73 is inserted into the mounting hole 123 and the washer 135 from below, and the rear end portion of the right patch member 112 is mounted on the sensing portion 72 and screwed into the load input rod 73 136.
- the load input rod 73 is fixed to the front end of the right patch member 112 by tightening.
- the mounting holes 122 and 124 and the washer 133 and 137 are inserted from the bottom.
- the load input rods 63 and 83 are fixed to the rear ends of the patch members 111 and 112 by the hooves.
- the right load sensors 70, 80 are provided so as to be slidable in the left-right direction with respect to the right movable upper rail 4, do not make fine adjustments in the left-right direction of the load sensors 70, 80. Therefore, the mounting holes 121 to 124 can be aligned with the load input rods 53, 63, 73 and 83, respectively. Therefore, when the subframe 110 is attached, it is possible to prevent the initial strain from being generated in the subframe 110 and the like, and it is possible to prevent the initial load from being applied to the load sensors 50, 60, 70, 80.
- the force to attach the subframe 110 to the force load sensors 50, 60, 70, 80 by pre-framed by welding.
- the load input rods 53, 63, 73, 83 Fix the patch member 111, the patch member 112, the cross pipe 113 and the front member 114 with a jig so that the mounting holes 121 to 124 are aligned with each other. Determine. Therefore, it is possible to insert the load input rods 53, 63, 73, and 83 into the mounting holes 121 to 124 without changing the framed subframe 110, respectively.
- a side frame 141 is welded to the flange 116 on the outside of the patch member 111, and the side of the flange 119 is on the outside of the patch member 112.
- Frame 142 is welded.
- These side frames 141 and 142 are part of the seat cushion frame, and particularly constitute the side portion of the seat cushion frame.
- the subframe 110 is used as a part of the seat cushion frame to strengthen the side frames 142, 142! 50, 60, 70, 80 [Subframe 110 is attached to the subframe 110 by welding the side frames 141, 142 before mounting.
- the side frames 141 and 142 are not shown in order to make the drawing easier to see.
- the front portion of the left side frame 141 is formed with a bore portion 151 that is recessed to the left so as to avoid the load rod 53 and the mounting hole 121 of the load sensor 50.
- a bore portion 152 that is recessed to the left is formed so as to avoid the load rod 63 and the mounting hole 122 of the load sensor 60.
- the front portion of the right side frame 142 is formed with a bore portion 153 that is recessed to the right so as to avoid the load rod 73 and the mounting hole 123 of the load sensor 70, and the rear portion of the side frame 141 is formed.
- a bore 154 that is recessed to the right is formed so as to avoid the load rod 83 and the mounting hole 124 of the load sensor 80.
- the front parts of the side frames 141, 142 are covered with a pan frame 143, and above the load sensors 50, 70! 1 43 Blocked by 43.
- the pan frame 143 is fastened to the side frames 141 and 142 by bolts 144 as male screws. Then, as shown in FIG. 9, the pan frame 143 can be removed by loosening and removing the bolt 144.
- the pan frame 143 may be fastened to the side frames 141 and 142 by other male screws instead of the bolts 144.
- FIG. 2 the illustration of the pan frame 143 is omitted in order to make the drawing easy to see.
- the load sensor can be removed without disassembling the side frames 141 and 142 and the subframe 110 by simply removing the pan frame 143. Since maintenance of 50 and 70 can be performed, the maintenance efficiency of the load sensors 50 and 70 is improved.
- the pan frame 143 is attached to the side frames 141 and 142 by the latching portions formed on the pan frames 143 and the latching portions formed on the side frames 141 and 142.
- the pan frame 143 may be removed from the side frames 141 and 142 by elastically deforming both of the locking portions.
- a seat spring 145 is stretched between the cross pipe 113 and the pan frame 143.
- a cushion is mounted on the pan frame 143 and the seat spring 145, and the cushion, the pan frame 143, and the side frames 141, 142 are entirely covered with a cover.
- a back frame is connected to the rear ends of the side frames 141 and 142.
- the back frame is provided so as to be able to rotate back and forth with a connecting portion with the side frames 141 and 142 as a fulcrum.
- the backrest frame is not shown in order to make the drawing easier to see.
- the occupant's weight acts on the load sensors 50, 60, 70, 80 through the subframe 110, The occupant's weight is detected as an electrical signal by the load sensors 50, 60, 70, 80.
- load sensors 50, 60, 70, and 80 are attached one by one between the movable upper rail 4 and the side frames 141 and 142, and the load sensors 50, 60, 70, and 80 are mounted on the vehicle seat. It is configured to move in the front-rear direction as one body. Therefore, it is possible to always maintain the load (occupant weight) transmitted from the vehicle seat to the load sensors 50, 60, 70, 80 regardless of the front-rear position of the vehicle seat. Therefore, the measurement accuracy of the occupant weight can be improved.
- the right load sensors 70, 80 can slide in the left-right direction with respect to the movable upper rail 4. Therefore, even when a load in the left-right direction is applied to the subframe 110 etc., the load sensor 70, 80 slides and the load escapes, and the load sensor 50, 60, 70, 80 receives a load in the left-right direction. Does not work. Therefore, the measurement accuracy of the occupant weight can be improved.
- the right load sensors 70, 80 are slidable with respect to the right movable upper rail 4, whereas the left load sensors 50, 60 are fixed with respect to the left movable upper rail 4. ing. For this reason, the entire vehicle seat does not shake in the left-right direction, and the minimum rigidity of the vehicle seat is ensured.
- the submarine pipe 11 is located behind the front member 114, if a forward inertial force acts on the occupant due to a frontal collision of the vehicle, the buttock of the occupant seated on the vehicle seat is Detained in Submarine Pipe 11. Therefore, the so-called submarine phenomenon, in which the occupant enters under the waist belt, can be prevented.
- the submarine pipe 11 is provided separately from the front member 114, the occupant's buttocks do not hit the front member 114 at the time of a frontal collision of the vehicle. Therefore, forward inertial force is not transmitted to the load sensors 50, 60, 70, 80 through the subframe 110 at the time of a frontal collision of the vehicle. Therefore, it is possible to improve the measurement accuracy of the occupant weight even at the time of a vehicle front collision.
- the submarine pipe 11 may be convex forward and bend.
- the right end of the submarine pipe 11 is slidable to the left and right with respect to the bracket 9 rather than being fixed to the bracket 9, a load applied in the forward direction acts on the submarine pipe 11. Even its load The weight is not transmitted to the load sensors 50, 60, 70, 80. Therefore, it is possible to improve the measurement accuracy of the occupant weight even at the time of a frontal collision of the vehicle.
- the load input rods 53, 63, 73, and 83 are aligned with the mounting holes 121 to 124 without deforming the framed subframe 110, respectively. Can be inserted. Therefore, it is possible to prevent the initial load from acting on the load sensors 50, 60, 70, 80 when no load is applied to the subframe 110. Therefore, the measurement accuracy of the occupant weight can be improved.
- the flanges 116, 117, 119, 120 are not provided at the front end of the notch 111, 112, and only the webs 115, 118 are provided. Therefore, when a large load is applied to the subframe 110, such as during a frontal collision of the vehicle, the notch members 111, 112 are deformed at the front end portions of the webs 115, 118. And relaxed. Therefore, even when a large load is applied to the subframe 110, the large load is not transmitted to the load sensors 50, 60, 70, 80. Therefore, it is possible to improve the occupant weight measurement accuracy and to prevent damage to the load sensors 50, 60, 70, 80 even at the time of a frontal collision of the vehicle.
- the right load sensors 70 and 80 are provided so as to be slidable in the left-right direction with respect to the movable upper rail 4, but are further slidable in the left-right direction with respect to the notch member 112. It may be provided. Further, the load sensors 70 and 80 may be provided so as to be fixed to the movable upper rail 4 and slidable in the left-right direction with respect to the patch member 112.
- the mounting holes 123, 124 are formed as elongated holes in the left-right direction, and the load input rod 73 , 83 are inserted into the ring-shaped slide material, and the slide material is sandwiched between the washer 135, 137 and the web 118.
- load sensor In order to fix the supports 70, 80 to the movable upper rail 4, the load sensors 70, 80 are fixed to the movable upper rail 4 in the same manner as the left load sensors 50, 60.
- the occupant weight measuring device 1 may be provided on the left vehicle seat that is provided on the right vehicle seat.
- the occupant weight measuring device for the left vehicle seat is configured symmetrically with respect to the occupant weight measuring device 1 described in the above embodiment. That is, in the occupant weight measuring device for the left vehicle seat, the load sensors 70 and 80 that can slide in the left-right direction are on the left side, and the fixed load sensors 50 and 60 are on the right side.
- the flanges 71 and 81 of the load sensors 70 and 80 are horizontal and extend in the front-rear direction, and may be horizontal and extend in the left-right direction. Even when the flanges 71, 81 extend in the left-right direction, the longitudinal directions of the long holes 75, 85 and the notches 76, 86 formed in the flanges 71, 81 are the left-right direction. Note that, as in the above embodiment, the lateral force of the movable upper rail 4 can be made narrower than when the flanges 71 and 81 extend in the front-rear direction and in the left-right direction.
- the occupant weight measuring device can be widely used for seats for automobiles, trains, and other vehicles, for example.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Seats For Vehicles (AREA)
- Air Bags (AREA)
Abstract
Description
Claims
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/632,403 US7614680B2 (en) | 2004-07-30 | 2005-07-29 | Passenger's weight measurement device for vehicle seat |
US12/536,151 US8002071B2 (en) | 2004-07-30 | 2009-08-05 | Passenger's weight measurement device for vehicle seat |
US12/536,075 US7870927B2 (en) | 2004-07-30 | 2009-08-05 | Passenger'S weight measurement device for vehicle seat |
US12/536,124 US8011715B2 (en) | 2004-07-30 | 2009-08-05 | Passenger's weight measurement device for vehicle seat |
US12/961,758 US8091675B2 (en) | 2004-07-30 | 2010-12-07 | Passenger's weight measurement device for vehicle seat |
US13/010,429 US8905179B2 (en) | 2004-07-30 | 2011-01-20 | Passenger's weight measurement device for vehicle seat |
US13/039,458 US8316982B2 (en) | 2004-07-30 | 2011-03-03 | Passenger's weight measurement device for vehicle seat with improved accessibility |
US13/242,780 US8813895B2 (en) | 2004-07-30 | 2011-09-23 | Vehicle seat including passenger's weight measurement device and connecting member |
US13/601,330 US8822850B2 (en) | 2004-07-30 | 2012-08-31 | Vehicle seat including load sensors between wall portions |
US13/841,156 US9134148B2 (en) | 2004-07-30 | 2013-03-15 | Vehicle seat comprising load sensor and side frame with outside protruding section |
US13/840,930 US9140588B2 (en) | 2004-07-30 | 2013-03-15 | Vehicle seat comprising load sensor and side frame with upper-side protruding section and lower-side protruding section |
US13/841,207 US9134149B2 (en) | 2004-07-30 | 2013-03-15 | Vehicle seat comprising load sensor and pan frame |
US13/840,865 US9140587B2 (en) | 2004-07-30 | 2013-03-15 | Passenger's weight measurement device for vehicle seat |
US14/826,564 US9835479B2 (en) | 2004-07-30 | 2015-08-14 | Vehicle seat with load sensor |
US15/802,193 US10634527B2 (en) | 2004-07-30 | 2017-11-02 | Vehicle seat with load sensor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004223456A JP4695358B2 (ja) | 2004-07-30 | 2004-07-30 | 車両用シートの乗員重量測定装置 |
JP2004-223456 | 2004-07-30 |
Related Child Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/632,403 A-371-Of-International US7614680B2 (en) | 2004-07-30 | 2005-07-29 | Passenger's weight measurement device for vehicle seat |
US12/536,151 Division US8002071B2 (en) | 2004-07-30 | 2009-08-05 | Passenger's weight measurement device for vehicle seat |
US12/536,075 Division US7870927B2 (en) | 2004-07-30 | 2009-08-05 | Passenger'S weight measurement device for vehicle seat |
US12/536,124 Division US8011715B2 (en) | 2004-07-30 | 2009-08-05 | Passenger's weight measurement device for vehicle seat |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006011599A1 true WO2006011599A1 (ja) | 2006-02-02 |
Family
ID=35786345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/013945 WO2006011599A1 (ja) | 2004-07-30 | 2005-07-29 | 車両用シートの乗員重量測定装置 |
Country Status (3)
Country | Link |
---|---|
US (15) | US7614680B2 (ja) |
JP (1) | JP4695358B2 (ja) |
WO (1) | WO2006011599A1 (ja) |
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US20110108330A1 (en) | 2011-05-12 |
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US20130206486A1 (en) | 2013-08-15 |
US8011715B2 (en) | 2011-09-06 |
US20130206485A1 (en) | 2013-08-15 |
US20130205918A1 (en) | 2013-08-15 |
JP2006036167A (ja) | 2006-02-09 |
US20120006601A1 (en) | 2012-01-12 |
US8002071B2 (en) | 2011-08-23 |
US9134149B2 (en) | 2015-09-15 |
US8822850B2 (en) | 2014-09-02 |
US20090301793A1 (en) | 2009-12-10 |
US20110147096A1 (en) | 2011-06-23 |
US20110073381A1 (en) | 2011-03-31 |
US8091675B2 (en) | 2012-01-10 |
US8316982B2 (en) | 2012-11-27 |
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