JPH07157254A - Gate device for elevator - Google Patents

Abstract

PURPOSE:To seal a clearance of a gate device so as to prevent smoke or the like from infiltrating into an elevator shaft by providing a plurality of sheets of seal plates opposed to the inside of a U-shaped shield plate provided along a side frame in the gate device, and providing a shield plate, interposed between these seal plates, in a landing door. CONSTITUTION:A U-shaped shield plate 8 is provided in a fold part 7 of a gate side frame 3, and mutually opposed to the inside of this shield plate 8, two sheets of seal plates 10, 10 of rubber or hard vinyl chloride of noncombustible, flame resisting and movable high molecular compound are provided in a butt condition. On the other hand, an L-shaped shield plate 11 is provided in a rear part lateral edge of a landing door 1, so that the shield plate can be overlapped together in shiplap with the shield plate 8 provided in the side frame 3. Thus by inserting a point end part 12 of the shield plate 11 between the seal plates 10, 10 when closed the door, a clearance of a gate device is closed, and smoke by a fire, generated in a building, can be surely prevented from flowing into an elevator shaft.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator entrance / exit device.

[0002]

2. Description of the Related Art A conventional elevator entrance / exit device is shown in FIG.
~ It demonstrates with reference to FIG.

Generally, the door of the elevator hall is shown in FIG.
As shown in 3, a door 1 and an upper frame 2 surrounding the door 1,
The horizontal frame 3 is composed of a three-sided frame or the like. There is a gap between the door and these frames or thresholds for the door to run. That is, as shown in FIG. 14, there is a gap A between the door 1 and the horizontal frame 3 of the hall. Also, the door 1
As shown in FIG. 15, there is a gap B between the door 1 and the upper frame 2, and a gap between the guide shoe 6 and the sill 5 of the landing door 1 at the bottom of the landing door 1 as shown in FIG. C is present.

[0004]

The landing door 1 and the upper frame 2,
In order to allow the door 1 to smoothly open and close without frictional resistance, the space between the horizontal frame 3 and the sill 5 and the door guide shoe 6
It is also necessary to absorb errors during installation.
However, at such an entrance / exit of a hall, there is a disaster prevention problem that smoke enters the hoistway through the gap and makes the hoistway a chimney at the time of a building fire. For this reason, a smoke barrier wall may be provided on the building design if necessary, but there are problems such as increased costs and restrictions on the building design.

In order to solve such a problem, the present invention seeks to provide an entrance / exit device which can be hermetically sealed by a structure in which there is no gap around the door at the entrance / exit of an elevator hall.

[0006]

In order to achieve this object, the present invention provides a gap formed between a landing door and a doorway horizontal frame or the like with a shield plate on the door side so as to contact the gap. It is configured to be sealed with a sealing plate on the side of the horizontal frame to be closed, and a shielding plate that doubles as a guide shoe is provided at the bottom of the door, and this is closely attached to the sill to eliminate a gap. Alternatively, a shielding plate is provided on the upper part of the door, and a shielding guide shoe is provided on the lower part, and non-flammable, non-volatile oil or water is put into the elongated containers installed in the upper frame and the sill groove as a sealing liquid to shield. Dip the board and shielding guide shoe into it to close the gap.

[0007]

With such a structure, when the door at the hall is opened and closed, the gap formed by the door and the door can be secured and the door can be opened and closed smoothly. It is possible to eliminate the gap between the frame, the sill and the landing door, and to seal the entrance and exit, and prevent smoke from a fire from entering the hoistway or noise from entering the car.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described based on the embodiments shown in FIGS.

Embodiment 1 (corresponding to claims 1 and 2, see FIGS. 1 and 2) This is a method of sealing a gap A of a lateral frame of an entrance / exit.

A U-shaped shield plate 8 is provided at the bent portion 7 of the entrance / exit horizontal frame 3, and two non-combustible or flame-retardant seal plates 10 are provided inside the U-shaped shield plate 8. 10 are provided at the abutment.

On the other hand, an L-shaped shield plate 11 is provided on the vertical edge of the rear part of the landing door 1, and the L-shaped shield plate 8 of the entrance / exit horizontal frame 3 is superposed in an overlapping manner. The tip portion 12 of the U-shaped shield plate 11 is used to seal the seal plate 1 when the door is closed.
It is inserted between 0 and 10 to close the gap.

The seal plate 10 is made of flexible polymer compound rubber or hard vinyl chloride or the like to obtain a required contact pressure.

When the landing door 1 is closed, the above-mentioned gap A is sealed by the seal plates 10 and 10 and the tip 12 of the L-shaped shield plate 11 of the door.

Therefore, it is possible to prevent the smoke caused by the fire generated in the building from flowing into the hoistway, and it is possible to prevent the smoke more completely by using it together with the phase shifter.

While the landing door 1 is opening and closing, the seal plate 1
Since 0 and the tip portion 12 of the L-shaped shield plate are separated from each other, a gap is generated, so that good door opening / closing performance is maintained.

Another embodiment of the first embodiment (corresponding to claim 2, see FIGS. 2 to 4) The seal plates 10 and 10 are attached while being displaced in the opening / closing direction of the door 1. As a result, the front end 12 of the L-shaped shield plate comes into contact with the seal plates 10 and 10 in sequence immediately before the door 1 is closed.
The load at the time of contact is reduced compared to the case where the tip end of the character-shaped barrier plate is in contact with the rubber shield plates 10 and 10 at the same time, and the opening and closing performance is improved immediately before the door is closed.

In FIG. 3, a tubular seal plate 13 having a partially open cross-section is provided inside the entrance / exit frame 3 instead of the seal plate 10 described above, and at the rear end (vertical edge) of the door. Is provided with an L-shaped shield plate 11 and its tip 12. As a result, the same operation and effect as those of the first embodiment are obtained.

In FIG. 4, the contact portion of the seal plate 13 is
The door 1 is shifted in the opening / closing direction. As a result,
The same action and effect as in the case shown in are obtained.

It is also useful to provide these on the car side, the gap between the car and the door of the car is hermetically sealed, noise from the hoistway can be prevented from entering the car, and the riding comfort can be improved. it can.

Example 2 (corresponding to claims 3 and 4, see FIGS. 5 and 6) A method of sealing a gap C between a lower sill of a door and a sill.

A shielding plate 15 is provided at the lower portion of the door 1 where the guide shoe 6 is not attached. The shield plate 15 is a shield plate 16 extending from the lower part of the door to the inside of the groove of the sill 4, an elastic shield rubber plate 17 provided inside the groove of the sill 4 of the shield plate 16 and a low friction coefficient attached to the surface thereof. The slide plate 18 is made of Teflon (trade name) or the like.

According to this structure, the sliding plate 18 and the sill 5 slide while the door 1 is opened and closed.
Due to the characteristics of the shielding rubber plate 17 that is an elastic body, it is possible to reduce the frictional resistance and obtain good door opening / closing performance.

Another embodiment of the second embodiment (see FIG. 7) A shield plate 16 extending to the lower part of the door 1 or the groove of the sill 5 and a cross section provided in a portion of the shield plate in the groove of the sill. It is composed of a sliding plate 18 having a low friction coefficient provided on the surface of a hollow shielding rubber plate 17a.

As a result, the shielding rubber plate 17a is easily elastically deformed, so that the frictional resistance between the sliding plate 18 having a low friction coefficient and the sill 5 during the opening / closing of the door 1 is reduced, and a better door opening / closing performance is achieved. obtain.

Embodiment 3 (corresponding to claims 5 and 6, see FIGS. 8 to 10) This is a method of sealing the gaps B and C between the door and the upper frame and between the door and the sill.

The shield plate 19 is attached to the upper end of the door 1. Further, the shield plate 20 which also serves as a guide shoe is attached to the lower end of the door 1. Then, an elongated container 21 is provided at a position corresponding to the shielding plate 19 of the upper frame 2, and the sealing liquid 2 is provided in the container 21 and the sill 4 groove.
Non-volatile and non-flammable water and oil are injected as 2.

The gap B between the door 1 and the upper frame 2 is sealed by the shield plate 19 and the sealing liquid 22. Further, the gap C between the lower portion of the door 1 and the sill 5 is also sealed by the shielding guide shoe 20 which also serves as the guide shoe and the sealing liquid 22. When the door is opened and closed, the shielding plate 19 and the shielding guide shoe 20 travel in the liquid, so that good door opening and closing performance can be maintained.

Another embodiment of the third embodiment ... (FIGS. 11 and 1)
2) The lower part of the entrance / exit is hermetically sealed and the shielding plate 19 as shown in FIG.
A seal liquid container may be embedded in the threshold to seal the gap.

Further, as shown in FIG. 12, a shielding guide shoe 20 and a lid 23 may be provided above the threshold to prevent evaporation of the sealing liquid 22.

[0030]

According to the present invention, the gap formed in the entrance / exit device of the elevator is hermetically closed by the shield plate to prevent smoke from entering the hoistway and further prevent noise from entering the car. An elevator that improves comfort is obtained.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of a horizontal frame of an entrance / exit device according to the present invention (corresponding to a line II in FIG. 13).

FIG. 2 is a sectional view of another embodiment of FIG. 1 (equivalent view taken along the line II-II in FIG. 13).

FIG. 3 is a diagram of another embodiment of FIG.

FIG. 4 is a diagram of another embodiment of FIG.

FIG. 5 is a partial sectional view of a threshold of the doorway device according to the present invention (equivalent view taken along the line II-II in FIG. 13).

6 is a view taken along the line V-V in FIG.

FIG. 7 is a diagram of another embodiment of FIG.

FIG. 8 is a sectional view of an entrance / exit device according to another embodiment of the present invention (corresponding to a view taken along the line II-II in FIG. 13).

FIG. 9 is a partial detailed view of FIG.

FIG. 10 is a partial detailed view of FIG.

11 is a diagram of another embodiment of the threshold portion of FIG.

12 is a diagram of another embodiment of the upper frame portion of FIG.

FIG. 13 is a front view of a conventional elevator entrance / exit device.

14 is a view taken along the line I-I of FIG.

FIG. 15 is a view taken along the line II-II of FIG.

[Explanation of symbols]

 1 ... Door of the landing 2 ... Upper frame of the doorway 3 ... Horizontal frame of the doorway 5 ... Sill 6 ... Guide shoe 8 ... U-shaped shield plate (on the side of the horizontal frame) 9 ... Shielding auxiliary plate 10, 13 ... (Horizontal frame) Side) Seal plate 11 ... (door side) L-shaped shield plate 15, 15, 20 ... (door side lower part) shield plate 17 ... (door lower part) shield rubber plate 18 ... sliding plate 19 ... Shield plate (on upper frame side) 21 ... Seal liquid

Claims (6)

[Claims] 1. A U-shaped shield plate provided along a horizontal frame of a landing entrance / exit, a plurality of seal plates provided inside the U-shaped shield plate, and a vertical door of a hall. An entrance / exit device for an elevator, comprising: a shield plate which is provided at an edge and is sandwiched between the plurality of seal plates when the door of the hall is closed. 2. The elevator entrance / exit device according to claim 1, wherein the plurality of sealing plates are provided in a staggered manner with respect to the opening / closing direction of the door at the hall. 3. An entrance / exit device for an elevator, characterized in that a guide shoe that also serves as a shield plate is provided at a lower portion of a landing door so as to come into contact with a corresponding threshold. 4. The elevator entrance / exit device according to claim 3, wherein a smooth plastic plate is attached to a surface of a shielding plate provided under the door of the hall. 5. An elevator entrance / exit device, characterized in that a box filled with a sealing liquid is provided on an upper frame of a landing entrance / exit, and a shielding plate immersed in the sealing liquid is provided above a door. 6. An elevator doorway device, characterized in that the tip of a guide shoe at the bottom of a landing door is immersed in a sealing liquid in an elongated box provided on a sill.