WO2006003710A1

WO2006003710A1 - Landing door apparatus of elevator

Info

Publication number: WO2006003710A1
Application number: PCT/JP2004/009532
Authority: WO
Inventors: Toshiya Suzuki; Hideo Kai; Nobuhiro Nishimura
Original assignee: Mitsubishi Denki Kabushiki Kaisha
Priority date: 2004-07-05
Filing date: 2004-07-05
Publication date: 2006-01-12
Also published as: JPWO2006003710A1

Abstract

A door apparatus of an elevator capable of preventing a smoke shielding material from being damaged and noise from occurring and eliminating the need of increasing the longitudinal dimension of a hoistway or partially reducing the thickness dimension of a door on the landing side. The door apparatus comprises at least two sheets of landing doors (1a) and (1b) on one side. The inter-door smoke shielding material (3b) is installed at the rear end part of the landing door (1a) installed on the hoistway side to provide smoke shielding performance to the door apparatus. The door apparatus is formed such that the lateral width (Lb) of the landing door (1b) installed on the landing side is larger than the lateral width (La) of the landing door (1a) installed on the hoistway side. Thus, when the doors are fully opened, the inter-door smoke shielding material installed at the rear end part of the door (1a) on the hoistway side is positioned in a clearance between the rear end part of the landing side door (1b) and the rear end part of the door (1a) on the hoistway side.

Description

Specification

Elevator landing door equipment

TECHNICAL FIELD [0001] The present invention relates to an elevator landing door device in which a smoke-proof performance or a flame-proof performance is imparted to an elevator landing door.

Background art

[0002] In order to give smoke evacuation performance to an elevator hall, there are those where smoke shielding materials are attached to a landing door and a three-way frame of the landing (see, for example, Patent Documents 1 and 2).

A conventional elevator landing door device having a double door with one side having smoke shielding performance will be described with reference to FIGS. 1 and 2. FIG.

The one-sided double landing door is composed of a high-speed landing door la provided on the hoistway side and a low-speed landing door lb provided on the landing side. The hall entrance / exit surrounded by the hall three-way frame 2 is opened / closed by hall doors la and lb which are double-opened on one side. At the front end and rear end of the door la on the hoistway side, the door-stop part smoke-proofing material that exerts smoke-proof performance by contacting the door-contact surface of the one-side vertical column part 2a of the landing three-way frame 2 when the door is closed 3a and a door-to-door smoke barrier 3b that contacts the front side hoistway side wall of the landing side door lb when the door is closed and exerts smoke shielding performance against the gap between the doors la and lb. Also, at the rear end of the door lb on the landing side, there is a door pocket smoke shielding material 3c that exerts smoke shielding performance by contacting the hoistway side wall surface of the other vertical column 2b of the landing three-way frame 2 when the door is closed. Get ready.

Patent Document 1: Japanese Patent Laid-Open No. 6-72681

Patent Document 2: Japanese Patent Laid-Open No. 8-165081

Disclosure of the invention

Problems to be solved by the invention

[0004] However, in the elevator landing door device having a single-sided double door having smoke-preventing performance, the inter-door smoke-shielding material 3b is attached to the rear end portion of the door la on the hoistway side. To prevent the inter-door smoke barrier 3b from coming into contact with the hoistway side wall surface of the landing side door lb when the door is opened and closed, provide sufficient clearance between the hoistway side door la and the landing side door lb. In this case, there was a problem that the dimension in the front-rear direction of the hall would be increased to some extent. In order not to increase the longitudinal dimension of the hoistway, it is necessary to partially reduce the thickness dimension of the door lb on the landing side as shown by the solid line in FIGS. 3 and 4, but the thickness of the door There is a limit due to strength problems to reduce. The dotted lines in FIGS. 3 and 4 show the case where the thickness dimension of the door lb on the landing side is not reduced, and the smoke shielding material 3b between the doors contacts the hoistway side wall surface of the door lb on the landing side. It expresses that.

[0005] The present invention has been made to solve the above-described problems, and the smoke shielding material or the flame shielding material is not damaged or abnormal noise is generated, and the longitudinal direction of the hoistway is not limited. The purpose of the present invention is to provide an elevator door device that does not need to be increased in size or partially reduced in thickness on the landing side door.

Means for solving the problem

[0006] The elevator landing door device according to the present invention has at least two landing doors on one side and is provided with an inter-door smoke shielding material at the rear end portion of the landing door provided on the hoistway side. In the case where smoke performance is provided, the width L b of the landing door provided on the landing side is configured to be larger than the width La of the landing door provided on the hoistway side. Sometimes, the inter-door smoke barrier provided at the rear end of the hoistway side door is positioned in the clearance formed between the rear end of the landing side door and the rear end of the hoistway side door. It is a thing.

[0007] Further, the smoke shielding material between the doors is made of resin, and is attached to the side wall of the rear end of the hoistway side door. When the door is closed, the door side end of the front hoistway side wall of the landing side door It exhibits smoke shielding performance when touched.

[0008] Furthermore, at least two landing doors are provided on one side, and an inter-door flame insulating material is provided at the rear end portion of the landing door provided on the hoistway side, thereby providing flameproof performance. In this configuration, the width Lb of the landing door provided on the landing side is larger than the horizontal width La of the landing door provided on the hoistway side. The inter-door flame shield material provided at the rear end portion of the landing door on the hoistway side is positioned in the clearance formed between the end portion and the rear end portion of the hoistway side door.

[0009] Further, the inter-door flame shield is made of a steel plate and is attached to the side of the rear end of the hoistway side door. When the door is closed, it enters the inside of the side wall of the hoistway at the front end of the landing side door and exhibits flameproofing performance.

The invention's effect

[0010] According to the elevator landing door device of the present invention, since the clearance between the landing-side door and the inter-door smoke-shielding material attached to the rear end of the hoistway-side door can be secured, The material does not come into contact with the door on the landing side, and the smoke shielding material will not be damaged or abnormal noise will be generated. Further, it is not necessary to increase the longitudinal dimension of the hoistway as in the conventional case. Furthermore, it is not necessary to partially reduce the thickness dimension of the landing side door lb as in the prior art.

Brief Description of Drawings

FIG. 1 is a front view of a landing door device for an elevator as viewed from the landing side.

[FIG. 2] FIG. 2 is a cross-sectional view taken along line Π_Π in FIG. 1 showing the structure of a conventional elevator landing door device.

FIG. 3 is a plan view showing a door closed state of a conventional elevator landing door device.

FIG. 4 is a plan view showing a door open state of a conventional elevator landing door device.

FIG. 5 is a plan view showing a door-closed state of a landing door device for an elevator according to Embodiment 1 of the present invention.

FIG. 6 is a plan view showing the door opening state of the elevator landing door device in Embodiment 1 of the present invention.

FIG. 7 is a plan view showing a door-closed state of a landing door device for an elevator according to Embodiment 2 of the present invention.

FIG. 8 is a plan view showing the door opening state of the elevator landing door device in Embodiment 2 of the present invention.

Explanation of symbols

[0012] la landing door on the hoistway side

lb A landing door on the landing side

2 landing three-way frame

2a Vertical column on one side of the landing three-way frame

2b Vertical column on the other side of the landing three-way frame 3a Smoke shielding material for doors

3b Door-to-door smoke barrier

3c Tobacco smoke barrier

4 Platform threshold line

5a Flameproof material between doors

5b Flameproof material for door pocket

BEST MODE FOR CARRYING OUT THE INVENTION

[0013] In order to describe the present invention in more detail, it will be described with reference to the accompanying drawings.

Example 1

[0014] An elevator landing door apparatus according to Embodiment 1 of the present invention will be described with reference to Figs. This embodiment shows an example provided with a double door on one side.

FIGS. 5 and 6 are plan views showing a door-closed state and a door-open state of the elevator hall door device according to Embodiment 1 of the present invention, respectively.

The one-sided two-level landing door is composed of a high-speed landing door la with a lateral width La provided on the hoistway side, and a low-speed landing door lb with a horizontal width Lb provided on the landing side. . The hall entrance surrounded by the hall 3 way frame 2 is opened and closed by two side doors la and lb having different lateral widths. The width Lb of the door lb on the landing side is configured to be larger than the width La of the door la on the hoistway side, and Lb> La. In other words, when the door is fully open, as shown in Fig. 6, a clearance with a width of Lb-La is provided between the rear end of the landing side door lb and the rear end of the hoistway side door la. Can be secured. On the side of the hoistway side of the front end of the hoistway side door la, when the door is closed, the door contact part block made of resin or the like that makes contact with the door contact surface of the one side vertical column part 2a of the landing three-way frame 2 and exhibits smoke shielding performance Smoke material 3a is provided. In addition, it is provided on the side of the door pocket at the rear end of the hoistway side door la so as to protrude toward the landing side door lb. When the door is closed, as shown in Fig. 5, the front end of the landing side door lb is raised and lowered. It is equipped with a door-to-door smoke barrier 3b made of resin, etc., which comes in contact with the door side edge of the road side wall surface and exhibits smoke-shielding performance against the gap between the doors la and lb. When the door is fully opened, the inter-door smoke barrier 3b has a lateral width of Lb— formed between the rear end of the door lb on the landing side and the rear end of the door la on the hoistway side, as shown in FIG. It will be located within the clearance of La size Thus, when the door is opened and closed, the inter-door smoke barrier 3b does not come into contact with the hoistway side wall of the door lb on the landing side. Also, it is provided on the side of the rear end of the door lb on the landing side so as to protrude to the landing side, and when the door is closed, it contacts the door side end of the hoistway side wall surface of the other vertical column 2b of the landing three-way frame 2 It is equipped with a door bag smoke barrier 3c made of a resin that exhibits smoke blocking performance.

According to the elevator landing door device in Embodiment 1 of the present invention, a clearance between the landing-side door lb and the inter-door smoke shielding material 3b attached to the rear end portion of the hoistway-side door la can be secured. Therefore, the smoke shield 3b does not come into contact with the door lb on the landing side when the door is opened and closed, and the smoke shield 3b is not damaged or generates abnormal noise. Also, it is not necessary to increase the longitudinal dimension of the hoistway as in the past. Furthermore, there is no need to partially reduce the thickness dimension of the landing side door lb as in the prior art.

Example 2

FIGS. 7 and 8 are plan views showing a door-closed state and a door-open state of the elevator hall door device according to Embodiment 2 of the present invention, respectively.

The one-sided two-level landing door is composed of a high-speed landing door la with a lateral width La provided on the hoistway side, and a low-speed landing door lb with a horizontal width Lb provided on the landing side. . The hall entrance surrounded by the hall 3 way frame 2 is opened and closed by two side doors la and lb having different lateral widths. The width Lb of the door lb on the landing side is configured to be larger than the width La of the door la on the hoistway side, and Lb> La. In other words, when the door is fully open, as shown in Fig. 8, a clearance with a width of Lb-La is provided between the rear end of the landing side door lb and the rear end of the hoistway side door la. Can be secured. On the side of the hoistway side of the front end of the hoistway side door la, when the door is closed, the door contact part block made of resin or the like that makes contact with the door contact surface of the one side vertical column part 2a of the landing three-way frame 2 and exhibits smoke shielding performance Smoke material 3a is provided. In addition, it is provided on the side wall of the rear end of the hoistway side door la so as to protrude toward the landing side door lb. When the door is closed, as shown in Fig. 7, the front end of the landing side door lb is lifted and lowered. It has an L-shaped door-to-door flame shield material 5a made of a steel plate or the like that enters the inside of the road side wall surface and exhibits flame shielding performance against the gap between the doors la and lb. When the door is fully opened, the inter-door flame barrier 5a has a lateral width of Lb— formed between the rear end of the door lb on the landing side and the rear end of the door la on the hoistway side as shown in FIG. To be located within the clearance of La size Therefore, when the door is opened and closed, the inter-door flame shield 5a will not interfere with the hoistway side wall surface of the landing side door lb. Also, it is provided on the side of the rear end of the door lb on the landing side so as to protrude to the landing side, and enters the inside of the hoistway side wall of the other vertical column 2b on the other side of the landing three-way frame 2 when the door is closed. It is equipped with an L-shaped door pocket flame barrier 5b made of steel plate that exhibits flame barrier performance

[0018] According to the elevator landing door device of Embodiment 2 of the present invention, a clearance between the landing-side door lb and the inter-door flame shield 5a attached to the rear end of the hoistway-side door la can be secured. Therefore, the smoke shield 5a does not interfere with the door lb on the landing side, and the flame shield 5a is not damaged or abnormal noise is generated. Moreover, it is not necessary to increase the longitudinal dimension of the hoistway as in the past. Further, it is not necessary to partially reduce the thickness dimension of the landing side door lb as in the conventional case.

Industrial applicability

[0019] As described above, the elevator landing door device according to the present invention can be used for a one-sided two-fold door and can be used for a one-sided three-fold door or a double-sided four-door door. Or it can have a flame barrier performance.

Claims

The scope of the claims

[1] Elevator hall with at least two hall doors on one side and smoke-proofing performance by providing an inter-door smoke barrier at the rear end of the hall door on the hoistway side In the door device,

By configuring the width Lb of the landing door provided on the landing side to be greater than the width La of the landing door provided on the hoistway side, when the door is fully open, the rear end of the landing door and the hoistway side An elevator landing door device characterized in that an inter-door smoke shielding material provided at the rear end of the hoistway side door is positioned in a clearance formed between the rear end of the door.

[2] The door-to-door smoke barrier is made of resin and is attached to the side of the doorway at the rear end of the hoistway side door. 2. The elevator landing door device according to claim 1, wherein the elevator landing door device exhibits a smoke shielding performance.

[3] Elevator hall that has at least two hall doors on one side and has a flame barrier performance at the rear end of the hall door provided on the hoistway side to provide flameproof performance. In the door device,

By configuring the width Lb of the landing door provided on the landing side to be greater than the width La of the landing door provided on the hoistway side, when the door is fully open, the rear end of the landing door and the hoistway side A landing door device for an elevator, characterized in that an inter-door flame shield provided at the rear end portion of the landing door on the hoistway side is positioned in a clearance formed between the rear end portion of the door.

[4] The inter-door flame barrier is made of steel plate and is attached to the side of the doorway at the rear end of the hoistway side door. When the door is closed, it enters the inside of the hoistway side wall at the front end of the landing door and provides flameproof performance. The elevator landing door device according to claim 1, wherein the elevator landing door device is provided.

5. The elevator landing door device according to claim 4, wherein the inter-door flame shield is L-shaped.

[6] The elevator landing door device according to any one of claims 1 to 5, wherein the landing door is a double door that opens on one side.

[7] The landing door according to any one of claims 1 to 5, wherein the landing door is a three-sided door. The elevator landing door device according to claim 1.

[8] The elevator landing door device according to any one of claims 1 to 5, wherein the landing door is a four-sided door.