JPH10250357A - Wind direction adjusting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the deterioration of an outside appearance by that the scratch generated when an operation knob is slid can not be seen from the outside. SOLUTION: This device is provided with plural front louvers provided in the inner front side of a case parallelly and an operation knob 12 installed so as to hold the front louver 10a from the front side of one front louver 10a by which a rear louver can be operated by sliding to the length direction of the front louver 10a. A guide recessed part 22 is formed in a step down shape to the rear end of the outer surface 23 of one front louver 10a and an engaging claw 20 engaged and slide-contacted with the guide recessed part 22 is formed to the rear end of an operation knob 12. Even if the engaging claw 20 is slid and the scratch is generated on the guide recessed part 22, as the guide recessed part 22 is in a step down shape, the scratch can not be seen from the outside and the outside appearance is not deteriorated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction adjusting device which is supported by a blowing device for blowing air and adjusts the direction in which the air, that is, the wind blows.

[0002]

2. Description of the Related Art FIG. 9 and FIG.
8 shows a conventional wind direction adjusting device described in Japanese Patent Application Laid-Open No. 8 (1994) -108.

[0005] In FIG. 9, reference numeral 1 denotes a case having front and rear openings, which is supported by a blowing device (not shown) for blowing air, for example, a blowing portion of an air adjusting device mounted on an instrument panel of an automobile. .

[0004] A plurality of horizontal front louvers 2 are formed at an inner front side of the case 1 in the vertical direction at intervals.

[0005] A plurality of vertical rear louvers 3 are provided on the inner rear side of the case 1 in the left-right direction at intervals.

At the upper and lower ends of the rear louver 3, pin portions 3a are provided.
Are projected, and the pin portion 3a is
The angle of the rear louver 3 can be adjusted by being rotatably inserted into a and 1b.

An operation knob 4 is attached to one front louver 2 to adjust the angle of the rear louver 3.

The operation knob 4 has a pair of holding parts 4a and 4b opposed to each other in the upper and lower directions, and these holding parts 4a and 4b are attached from the front side so as to sandwich one front louver 2.
The operation knob 4 is configured such that the holding portions 4 a and 4 b are formed on the upper and lower surfaces 2 of the front louver 2.
a, 2b.

On the free end side of the upper holding portion 4a, engagement claws 5, 5 are bent, and the engagement claws 5, 5 are hooked on the rear end surface 2c of the front louver 2 so that The operation knob 4 is retained.

Further, a pair of left and right locking pieces 6 extend rearward from a holding portion 4b below the operation knob 4, and the locking pieces 6 sandwich one rear louver 3.

Therefore, by sliding the operation knob 4 in the length direction of the front louver 2, one rear louver 3 is moved to the pin portion 3
The angle can be adjusted by rotating about a.

The adjacent rear louvers 3 are connected to each other by a connecting piece 7, so that all the other rear louvers 3 are simultaneously moved in the same direction in accordance with the movement of one rear louver 3. The wind moving from the right side in FIG. 10 is bent by the louver 3 and blown out of the case 1.

A stopper 8 protrudes from the rear end surface 2c of the front louver 2 at a predetermined interval, and the engaging claw 5 comes into contact with the stopper 8 so that the operating knob 4 can be further extended. Sliding is stopped.

[0014]

However, in the conventional wind direction adjusting device, the entire operation knob 4 is formed to have an elastic force in order to prevent the operation knob 4 from coming off from the front louver 2. The upper and lower surfaces 2a, 2b of one front louver 2 against which the engaging claw 5 is pressed are held by holding portions 4a, 4a of the operation knob 4.
b is also pressed.

In this state, since the operation knob 4 slides,
The upper and lower surfaces 2a, 2b of the front louver 2 are rubbed by the holding portions 4a, 4b of the operation knob 4 against the upper and lower surfaces 2a, 2b of the front louver 2.
2b may cause abrasion. Since this abrasion is located at a position where the front louver 2 can be seen, the appearance of the upper and lower surfaces 2a and 2b of the front louver 2 is deteriorated.

Further, the front surface 4c of the holding portions 4a, 4b of the operation knob 4 slides in contact with the front end surface 2d of the front louver 2, so that the frictional resistance at the time of sliding is large, and the sliding of the operation knob 4 is performed. There is a possibility that the moving operation becomes difficult.

Further, the wind may interfere with the stopper 8 protruding from the rear end face 2c of the front louver 2, and turbulence of the wind may occur.

The present invention has been made in consideration of such conventional problems, and can prevent the appearance from being deteriorated without being seen from the outside even if a scratch is generated by sliding of the operation knob. An object of the present invention is to provide a wind direction adjusting device that can operate an operation knob with a small force and is less likely to generate turbulence.

[0019]

In order to achieve the above object, the invention according to claim 1 comprises a plurality of front louvers provided in parallel on the inner front side of the case and at least one front louver from the front side. An operation knob slidable in the longitudinal direction of the front louver attached so as to sandwich the front louver, and an operation knob provided on the rear side of the one front louver along a direction intersecting with the front louver, and A rear louver in which a locking piece extending to a rear portion is locked and rotated by sliding an operation knob to perform angle adjustment, and a longitudinal guide is provided at a rear end of an outer surface of the one front louver. The recess is formed in the shape of a step,
An engaging claw that engages with the guide recess and slides on the guide recess by the slide is formed at a rear end of the operation knob.

According to a second aspect of the present invention, there is provided the wind direction adjusting device according to the first aspect, wherein a gap is formed between a portion of the outer surface of the one front louver excluding the guide recess and the operation knob. It is characterized by becoming.

[0021] The invention of claim 3 is claim 1 or claim 2.
In the wind direction adjusting device according to any one of the first to third aspects, a stopper portion with which the engaging claw abuts is formed at both ends of the guide concave portion.

According to a fourth aspect of the present invention, there is provided the first to third aspects.
The wind direction adjusting device according to any one of claims 1 to 3, wherein a support member that supports upper and lower surfaces of a front end of the one front louver by line contact is provided inside the operation knob.

According to a fifth aspect of the present invention, in the wind direction adjusting device according to the fourth aspect, the support member is a rib on which the upper and lower surfaces of the front end of the one front louver slide.

According to a sixth aspect of the present invention, in the wind direction adjusting device according to the fourth aspect, the support member is an elastic body in which upper and lower surfaces of a front end of the one front louver are in sliding contact.

According to a seventh aspect of the present invention, in the wind direction adjusting device according to the sixth aspect, the elastic body is a low friction resin.

[0026]

According to the first aspect of the present invention, by sliding the operation knob along one front louver, the rear louver on which the locking piece of the operation knob is locked rotates. The louver angle is adjusted.

In this structure, since the engaging claw formed at the rear end of the operation knob is engaged with the guide recess of one front louver, it does not fall off the front louver. When the operating knob slides, the engaging claw is in sliding contact with the front louver, so that the engaging claw slides in the guide recess, and this sliding may cause abrasion on the surface of the guide recess. .
However, since the guide concave portion is formed in a stepped shape at the rear end of one front louver, it is not visible from the outside, particularly from the front side, and is not visible from the outside even if the surface is damaged. Therefore, the appearance is not deteriorated.

According to the second aspect of the present invention, a gap is formed between the outer surface of the one louver excluding the guide recess and the operation knob, so that the outer surface of the one louver and the operation knob when the operation knob slides are formed. And the frictional resistance between them becomes smaller. Therefore, the operation knob can be slid with a small force, and the slide operation becomes easy.

According to the third aspect of the present invention, since the stoppers are formed at both ends of the guide recess, turbulence does not occur in the wind hitting the front louver.

According to the fourth aspect of the present invention, the support member provided inside the operation knob comes into line contact with the front end of the one front louver, so that the operation knob slides stably. In particular, since the support member makes line contact with the upper and lower surfaces of the front end of the one front louver, the operation knob is supported in the up-down direction, and the slide without rattling can be performed.

According to the fifth aspect of the present invention, since the support member is a rib, the front end of one front louver can be reliably line-contacted, and stable support can be achieved.

According to the sixth aspect of the present invention, since the support member is an elastic body, the rattling of the operation knob during sliding can be absorbed, and stable sliding can be achieved. Further, since the operation knob is supported by a light contact pressure, the slide can be performed lightly.

According to the seventh aspect of the present invention, since the support member is made of a low-friction resin, the frictional resistance is reduced, and the operation knob can be slid with a small force.

[0034]

FIG. 1 is a perspective view from the front side of an embodiment of the present invention, and FIG. 2 is a perspective view from the back side. A case 9 serving as an outer shell is formed of a synthetic resin. .

The case 9 has front and rear openings, and is attached to an air blow-out portion of an instrument panel (not shown).

A plurality of front louvers 10 are disposed in the front opening inside the case 9, and a plurality of rear louvers 11 are disposed in the rear opening of the case 9 as shown in FIG. Is done.

The front louver 10 is provided on the left and right side walls 9 of the case 9.
The operation knob 12 is formed integrally with the case 9 so as to be horizontally extended around a, and the operation knob 12 is attached to one of the front louvers 10a therein.

The upper surface wall 9b of the case 9 is formed in a slanted shape in which the right side of FIG. 1 is high and the left side of the case 9 is low, so that as shown in FIG. Are formed integrally in the horizontal direction at a position higher than the first support plate 13 and at a position lower than the first support plate 13.

A plurality of pin holes 15 are formed in these support plates 13 and 14, and a plurality of pin holes 16 facing the pin holes 15 are formed at the rear of the bottom surface 9c of the case 9.

The rear louver 11 is provided with these pin holes 1.
The pin 17 is inserted into the pin holes 15 and 16 so that the axis 17a of the pin 17 is indicated by a chain line in FIG. The louver 10 is disposed in a direction crossing the louver 10 at right angles.

Adjacent rear louvers 11 are connected to a connecting plate 18.
The connecting plate 18 is provided below the rear louver 11 and connects the adjacent rear louvers 11, as shown in FIG.

As described above, when one rear louver 11 is rotated to change the angle by being connected by the connecting plate 18, all the rear louvers 11 are simultaneously rotated in the same direction to change the angle. Thereby, the wind direction is adjusted.

The operation knob 12 is attached to one front louver 10a from the front side. This operation knob 1
2 is slidable along the length direction of one front louver 10a.

FIG. 4 shows the operating knob 12, which is formed in a horizontal U-shape by connecting upper and lower holding pieces 19 at the front end. An engaging claw 20 bent inward is formed at a rear end portion of each of the holding pieces 19, and the engaging claw 20 is engaged with one front louver 10a, as described later. The operation knob 12 is prevented from falling off.

The lower holding piece 19 has a pair of locking pieces 21 projecting rearward with a space therebetween. The tip of one of the plurality of rear louvers 11 is inserted between the locking pieces 21. Thereby, when the operation knob 12 slides, one rear louver 11 rotates, and this rotation is transmitted to all the rear louvers 11 via the connecting plate 18, and the angle of the entire rear louver 11 is adjusted. .

In contrast to the operation knob 12, a guide recess 22 is formed in one front louver 10a.

The guide recess 22 is formed at the rear end of the upper and lower outer surfaces 23 of one front louver 10a as shown in FIG. The guide recess 22 is formed in a stepped shape at the rear end of one front louver 10a, and
a extends along the length direction. Since the guide recess 22 is formed in a stepped shape in this manner, the guide recess 22 is not seen from outside, that is, from the front side of the front louver 10.

The operation knob 12 is provided in the guide recess 22.
Are engaged with each other, and this engagement prevents the operation knob 12 from falling off. Further, both side surfaces of both ends of the guide concave portion 22 are in a rising shape, and thereby the engaging claws 20 of the operation knob 12 come into contact with each other to form a stopper portion 24 for stopping the sliding of the operation knob 12.

Further, the holding pieces 19, 19 of the operation knob 12
As shown in FIG. 6, constant gaps 25, 25 are formed between the upper and lower outer surfaces 23, 23 of the front louver 10a to prevent such contact.

In such a structure, the angle of the rear louver 11 is adjusted by sliding the operation knob 12, and in this slide, the engaging claw 20 of the operation knob 12 is moved to the front louver 10a. , Slides in the guide recess 22, thereby enabling stable slide.

Even if abrasion occurs in the guide recess 22 due to this sliding, the guide recess 22 is formed stepwise from the outer surface of the front louver 10a as described above, so that it can be seen from the outside. No scratches are visible from the outside. For this reason, even if a flaw is generated, the appearance does not deteriorate.

Further, since a gap 25 is formed between the holding piece 19 of the operation knob 12 and the outer surface 23 of the front louver 10a, frictional resistance is reduced and the operation knob 12 can be slid lightly. Operability is improved.

FIGS. 6 and 7 show the internal structure of the operation knob 12 and one front louver 10a, and the front end of one front louver 10a is tapered. A support member that supports the upper and lower surfaces of the tapered front end by making line contact is provided inside the operation knob 12. The support member includes a rib 26 and an elastic body 27 formed inside the operation knob 12.
It is constituted by.

As shown in FIG. 7, the ribs 26 are paired on the left and right sides, and each is in sliding contact with the upper and lower surfaces of the front end of one front louver 10a. By this sliding contact, the operation knob 1
Since the second and one front louvers 10a are in line contact with each other, the load on the operation knob 12 is stabilized and the operation knob 12 is supported without rattling, so that stable sliding can be performed.

The same applies to the elastic body 27, and the front louver 1
0a is in sliding contact with the upper and lower surfaces of the front end. The operation knob 12 can be stably supported by the sliding contact of the elastic body 27. In addition, since the elastic body 27 is lightly contacted, the slide can be performed lightly.

As the elastic body 27, a bottom friction synthetic resin such as a silicone resin or a fluorine resin can be used. By using the low-friction synthetic resin in this manner, there is an advantage that the frictional resistance at the time of sliding is reduced and the operation knob can be slid with a small force.

As the support member, either the rib 26 or the elastic body 27 may be provided.

FIG. 8 shows a case in which the upper and lower surfaces of the case 9 are inclined in order to match the instrument panel. In this case, the first support plate 13 and the second support plate 14 are formed as a pair of upper and lower parts. , The rear louver 11 can be favorably supported.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of an embodiment of the present invention.

FIG. 2 is an overall perspective view from the back.

FIG. 3 is a perspective view showing one front louver and an operation knob.

FIG. 4 is a perspective view of an operation knob.

FIG. 5 is a side view showing a relationship between a front louver and a rear louver.

FIG. 6 is a sectional view showing a relationship between a front louver and an operation knob.

FIG. 7 is a plan view showing a relationship between a front louver and an operation knob.

FIG. 8 is a rear view showing another shape of the case.

FIG. 9 is an overall perspective view of a conventional device.

FIG. 10 is a partial perspective view of a conventional device.

[Explanation of symbols]

 9 Case 10 Front louver 10a One front louver 11 Rear louver 12 Operation knob 19 Nipping piece 20 Engagement piece 21 Locking piece 22 Guide recess 23 Outer surface 24 Stopper part 25 Gap 26 Rib 27 Elastic body

Claims (7)

[Claims] 1. A plurality of front louvers provided in parallel on the inner front side of a case, and sliding in the longitudinal direction of a front louver attached so as to sandwich the front louvers from the front side of at least one front louver. A possible operating knob is provided on the rear side of the one front louver along a direction intersecting with the front louver, and a locking piece extending to a rear portion of the operating knob is locked and rotated by sliding the operating knob. A rear louver that is moved to adjust the angle, a guide recess in the longitudinal direction is formed in the rear end portion of the outer surface of the one front louver in a stepped shape, and the guide recess is engaged with the guide recess. A wind direction adjusting device, wherein an engaging claw that slides on a guide recess by sliding is formed at a rear end of the operation knob. 2. The wind direction adjusting device according to claim 1, wherein a gap is formed between a portion of the outer surface of the one front louver excluding a guide recess and the operation knob. Wind direction adjustment device. 3. The wind direction adjusting device according to claim 1, wherein a stopper portion with which the engaging claw abuts is formed at both ends of the guide concave portion. Wind direction adjustment device. 4. The wind direction adjusting device according to claim 1, wherein an upper and lower surface of a front end of the one front louver is supported by a line contact inside the operation knob. A wind direction adjusting device, comprising: 5. The wind direction adjusting device according to claim 4, wherein the support member is a rib on which upper and lower surfaces of a front end of the one front louver slide. 6. The wind direction adjusting device according to claim 4, wherein the support member is an elastic body in which upper and lower surfaces of a front end of the one front louver are in sliding contact. 7. The wind direction adjusting device according to claim 6, wherein the elastic body is made of a low friction resin.