JPH06234488A - Gate device for elevator - Google Patents

Abstract

PURPOSE:To provide a gate device for an elevator which can prevent infiltration of smoke into a lift path and noise into a cage, of a fire generated in a building. CONSTITUTION:A shield plate 5, whose cross section is formed of a recessed part 6 and a plane part 7 by folding an end part of one side 6a of forming this recessed part 6, is mounted to a side surface part in a rear end side of a door panel 1A. A gate frame 8A is formed into a shape formed of a recessed part 9 and a plane part 10 by folding an end part of one side 9a of forming this recessed part 9. Shield units 11, 11, formed of material having flexibility, are mounted to the recessed part 6 and the plane part 7 of the shield plate 5, and shield units 12, 12, formed of material having flexibility, are mounted to the recessed part 9 and the plane part 10 of the gate frame 8A in positions respectively opposed to the shield units 11, 11.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Generally, a hall entrance / exit device for an elevator comprises door panels 1A, 1B and entrance / exit frames 2A, 2B, 2C around the door panels 1A, 1B, as shown in FIG. The entrance / exit frames 2A, 2B, 2C are fixed to the openings provided in the wall 3 of the building through members not shown. Thus, a gap is formed between the door panel 1A and the doorway frame 2A as shown in FIG. 5, and a gap is formed between the door panel 1B and the doorway frame 2C as shown in FIG. . Although not shown, the door panel 1B and the doorway frame 2B
The same gap as the above-mentioned gap between the door panel 1A and the doorway frame 2A is formed between the door panel 1A and the doorway frame 2 as well.
The same gap as the above-mentioned gap between the door panel 1B and the entrance / exit frame 2C is also formed between C and C.

On the other hand, although not shown, the elevator car entrance / exit is provided with a door panel that can be opened and closed, so that a gap is formed between the door panel and the car entrance / exit.

[0004]

As described above, the clearance between the door panels 1A, 1B and the doorway frames 2A, 2B, 2C is such that the door panels 1A, 1B can be smoothly opened and closed without frictional resistance, and the door panels 1A, It is necessary to prevent the occurrence of troubles such as damage caused by the contact between 1B and the entrance / exit frames 2A, 2B, 2C, and to absorb errors during installation. A clearance between the car door and its door panel is also necessary for smooth opening / closing, prevention of damage due to contact, and absorption of errors during assembly.

However, at the entrance / exit of the hall, smoke flows into the hoistway from these gaps when a fire occurs in the building, and the hoistway becomes a chimney, which is a serious disaster prevention problem. Therefore, a smoke barrier wall may be provided in the building design if necessary, but the problem of increasing the cost and restricting the building design newly occurs due to the provision of the smoke barrier wall.

On the other hand, at the entrance and exit of the car, noise such as wind noise enters the car through the gap when the elevator is moved up and down, which causes discomfort to the elevator users.

Therefore, an object of the present invention is to eliminate the above-mentioned problems and drawbacks by eliminating a gap between a door panel and a fixed part of an entrance / exit of an elevator or a car entrance / exit. To provide a device.

[0008]

In order to achieve the above object, the present invention has a gap formed between a door panel and an entrance / exit in an elevator entrance / exit device configured to open / close the entrance / exit of the elevator through a movable door panel. It is characterized in that it is configured to be sealed with a shield.

[0009]

According to the above construction, when the door panel is opened and closed, a gap formed by the door panel and the door can be secured and opened and closed smoothly. When the door panel is closed, the shield can eliminate the gap and seal the door. It is possible to prevent smoke from a fire from entering the hoistway,
It is possible to prevent noise from entering the car and making the user feel uncomfortable.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 shows an embodiment of the present invention corresponding to the section taken along the line XX of FIG. 4, and FIG. 2 shows an embodiment of the present invention taken along the line Y- of FIG.
It is a figure equivalent to a Y section.

In FIG. 1, reference numeral 1A is a door panel, and a shield plate 5 is attached to a side surface portion on the rear end side of the door panel 1A via a bolt 4. The shield plate 5 has a shape in which a transverse section is provided with a concave portion 6 and an end portion of one side 6a forming the concave portion 6 is bent to provide a flat surface portion 7. 8A is an entrance / exit frame fixed to the wall 3, and this entrance / exit frame 8A has a cross-section provided with a concave portion 9 and a flat portion 10 provided by bending an end of one side 9a forming the concave portion 9 I am trying.

The distance between the opposite sides of the recess 6 is
The width of the flat portion 10 is wider than the width of the flat portion 10, and the distance between the opposite sides of the concave portion 9 is wider than the width of the flat portion 7. The flat portion 7 and the flat portion 10 face each other. Further, when the door panel 1A is in the closed state, a gap is formed between the inner surface of the concave portion 6 and the outer surface of the flat portion 10 and between the outer surface of the flat portion 7 and the inner surface of the concave portion 9, respectively. These gaps should have approximately the same dimensions.

On the inner surface of the concave portion 6 and the outer surface of the flat portion 7 of the shield plate 5, shield members 11 and 11 made of a flexible material and having a semicircular cross section are provided, respectively. Attached via adhesive or other suitable means, doorway frame 8A
On the inner surface of the concave portion 9 and the outer surface of the flat portion 10,
Shield 1 formed at the position facing to the same as the shield 11 with a material having flexibility to have a rectangular cross section.
Attach 2, 12 respectively by gluing or other suitable means. These shields 11, 11 and 12, 12 are dimensioned and shaped so that an appropriate contact pressure is generated when the door panel 1A is closed. Although not shown, the door panel 1B and the entrance / exit frame 8B are also opposite in relation to each other.
Similarly formed shield plate 5, shield bodies 11, 12 are fixed. It is desirable that the shields 11 and 12 have nonflammability or flame retardancy.

Further, in FIG. 2, reference numeral 1B is a door panel, and a cross section of the door panel 1B on the front side has a cross section L.
The shield plate 13 formed in a letter shape is attached via a bolt or other suitable means not shown. 8C is an entrance / exit frame fixed to the wall 3, and this entrance / exit frame 8C has a concave cross section.
14 is provided, and the horizontal side of the shielding plate 13 extends above the recess 14. A shield plate 15 having an L-shaped cross section is attached to the inner surface of the recess 14 via a bolt or other appropriate means, and the shield plate 13 is formed on the outer surface of the vertical side of the shield plate 15 as described above. Facing
Further, an L-shaped shield plate 16 having a horizontal side arranged at a position where a gap is formed is attached via a bolt or an appropriate means.

However, the shield 11 is attached to the lower surface of the horizontal side of the shield plate 13 by adhesion or other suitable means, and the upper surface of the horizontal side of the shield plate 16 is located at a position facing the shield body 11. It is attached to the shield 12 by gluing or other suitable means. These shields 11 and 12 are arranged so that an appropriate contact pressure is generated when the door panel 1B is in the closed state. Although not shown, the door panel 1A is also provided with the same shielding plate 13 and shielding body 11 as the door panel 1B. Here, the shield 12 may be tilted as shown in FIG. 3 (so that the center in the width direction of the entrance / exit of the hall becomes higher), and the shield 11 may be tilted correspondingly and attached to the door panel 1B (1A). desirable.

Although not shown, the car door and the door panel that opens and closes the car door are also provided with shield plates having substantially the same structure, and shield members having substantially the same shape are provided through these shield plates. Install each.

Next, the operation of the embodiment configured as described above will be described. When the door panels 1A and 1B are normally closed, the shields 11 and 11 attached to the door panels 1A and 1B through the shield plates 5 and 5, and the doorway frame 8B.
Contact with the shields 12, 12 attached to the door panel so as to generate an appropriate contact pressure, and the door panels 1A, 1B.
Shield 1 attached to the panel via shield plates 13 and 13
The door panels 1A and 1B and the door frames 8A and 8B are in contact with the door panels 1A and 1B and the door body 8C, which are attached to the doorway frame 8C via the shielding plates 15 and 16 so as to generate appropriate contact pressure. , 8C are completely sealed by these shields 11 and 12. Therefore,
It is possible to prevent smoke caused by a fire in the building from flowing into the hoistway.

Further, while the door panels 1A and 1B are being opened and closed, since the shield body 11 on the door panel 1A, 1B side and the shield body 12 on the doorway frames 8A, 8B side are separated from each other, a gap can be secured, and a good door panel opening / closing performance is achieved. Can be maintained.

When the door panel is closed on the car side as well, the gap is sealed by the shield, noise can be prevented from entering from the hoistway, and riding comfort can be improved.

[0020]

As described above, according to the present invention, in the elevator entrance / exit device in which the entrance / exit of the elevator is opened / closed through the movable door panel,
Since the gap formed between the door panel and the doorway is sealed with a shield, smoke is prevented from entering the hoistway,
It is possible to provide an elevator entrance / exit device that prevents noise from entering the car and improves riding comfort.

[Brief description of drawings]

FIG. 1 is a view corresponding to an XX cross section of FIG. 4 showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line YY of FIG. 4 showing an embodiment of the present invention.

FIG. 3 is a rear view of the upper part of the entrance / exit viewed from the hoistway side in one embodiment of the present invention.

FIG. 4 is a front view showing a hall entrance / exit of a conventional elevator.

5 is a sectional view taken along line XX of FIG.

6 is a cross-sectional view taken along line YY of FIG.

[Explanation of symbols]

1A, 1B ... Door panel, 3 ... Wall, 5, 13, 15, 16 ... Shielding plate, 6, 14 ... Recessed portion, 7, 10 ... Flat portion, 8A, 8B,
8C ... doorway frame, 11,12 ... shielding body

Claims (3)

[Claims] 1. An elevator entrance / exit device in which an entrance / exit of an elevator is opened / closed via a movable door panel, wherein a gap formed between the door panel and the entrance / exit is closed by a shield. Elevator entrance / exit device. 2. The entrance / exit device for an elevator according to claim 1, wherein the shield is divided into a door panel and an entrance / exit, respectively. 3. The elevator entrance / exit device according to claim 1, wherein a shield provided at an upper end portion of the door panel is provided so as to be inclined so that a center side of the entrance / exit is raised.