CN220766226U

CN220766226U - Elevator door anti-pinch device

Info

Publication number: CN220766226U
Application number: CN202322310963.9U
Authority: CN
Inventors: 卜吉兵; 姚锴; 李曹贤; 陈旭; 段艳涛
Original assignee: Honghe Hani And Yi Autonomous Prefecture Quality And Technical Supervision Comprehensive Testing Center
Current assignee: Honghe Hani And Yi Autonomous Prefecture Quality And Technical Supervision Comprehensive Testing Center
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-12
Anticipated expiration: 2033-08-28

Abstract

The utility model relates to the technical field of elevator protection, and discloses an elevator door anti-pinch device, which comprises a first elevator door, wherein a second elevator door is arranged on the right side of the first elevator door, guide rails are symmetrically arranged above and below the first elevator door and the second elevator door, sliding blocks are fixed on the left side of the top and the left side of the bottom of the first elevator door and the right side of the top and the right side of the bottom of the second elevator door, the sliding blocks are inserted into the guide rails, the first elevator door comprises a first movable door, a first slot is formed in the left side of the first movable door, a first telescopic door is arranged on the right side of the first movable door, and the left side of the first telescopic door is inserted into the first slot. When the hand clamping condition occurs, the seat occupant touches the push handle forward with the foot, pushes away the fixed block from the fixed hole through the bolt, and at the moment, the first telescopic door moves leftwards under the action of the power-assisted spring, and the seat occupant can be pulled back by the hand clamping portion to avoid injury.

Description

Elevator door anti-pinch device

Technical Field

The utility model relates to the technical field of elevator protection, and particularly discloses an elevator door anti-pinch device.

Background

An elevator refers to a permanent transport device serving a number of specific floors within a building with its car running in at least two columns of rigid rails running perpendicular to the horizontal or inclined at an angle of less than 15 ° to the plumb line. The vertical lift elevator has a car that is sized and configured to facilitate access by passengers or loading and unloading of cargo. Traditionally, elevators have been known as vertical transportation means within a building, regardless of the manner in which they are driven. The elevator relies on traction force that traction rope and traction sheave friction produced, realizes the elevating movement of car and counterweight, reaches the transportation purpose, and current elevator generally relies on respectively setting up laser emitter and the laser receiver that is relative on two elevator doors and judges whether to have to shelter from, if when the elevator was closed the door, then stop closing the door and avoid pressing from both sides the injury people's hand when laser was blocked, this kind judges through laser that prevent pressing from both sides the hand and have certain error, can't discern when the staff is in the gap between two laser and shelter from, probably can cause the incident.

To the above problem, prior art (publication No. CN 217808200U) discloses a prevent tong elevator door protection device, which comprises a carriage, car sliding connection has first door body and the second door body that the symmetry set up, the holding tank has been seted up to one side that first door body is close to the second door body, first door body is located the holding tank sliding connection has the gangbar, be equipped with link gear between gangbar and the car, one side that the gangbar is close to the second door body sliding connection has the pin, one side that the gangbar is close to the pin is equipped with control button. This prevent tong elevator door protection device is close to the control button of pin one side through setting up to be located the gangbar, and the elevator door can stop immediately when this control button is pressed to close, has realized can triggering control button when the gangbar is pressed to the gangbar and is close to make the elevator door stop closing to press from both sides the injury hand when avoiding the elevator door to close as far as possible.

However, in the use process of the device, the elevator door can stop closing only when the stop lever is pressed, and at the moment, the elevator door can squeeze the hands of the passengers, and the contact surface of the elevator door lacks a corresponding buffer device, so that the hands of the passengers are easily damaged.

Disclosure of Invention

The utility model mainly solves the technical problem of providing an anti-pinch device for an elevator door, which can solve the problem of lack of a buffer device.

In order to solve the technical problem, according to one aspect of the utility model, the anti-pinch device for the elevator door comprises a first elevator door, a second elevator door is arranged on the right side of the first elevator door, guide rails are symmetrically arranged above and below the first elevator door and the second elevator door, sliding blocks are fixed on the left side of the top and the left side of the bottom of the first elevator door and the right side of the top and the right side of the bottom of the second elevator door, the sliding blocks are inserted into the guide rails, the first elevator door comprises a first movable door, a first slot is formed in the left side of the first movable door, a first telescopic door is arranged on the right side of the first movable door, a booster spring is fixed on the upper part and the lower part of the left inner wall of the first slot, a left side surface of the first telescopic door is fixed on the right end of the booster spring, and a fixing device is arranged below the left side of the rear surface of the first telescopic door.

Still further, fixing device includes the spring groove, the top in spring groove is fixed with fixing spring, fixing spring's top is fixed with the fixed block, the fixed orifices has been seted up to the rear surface right below of first dodge gate, the fixed block wears to locate the inside of fixed orifices, the rear of fixed block is equipped with the bolt, the place ahead of bolt wears to locate the inside of fixed orifices, the rear end of bolt is fixed with the pushing handle, both sides are fixed with the fixture block about the outer wall middle part of bolt, the draw-in groove has been seted up to the inner wall left and right sides symmetry of fixed orifices, the fixture block peg graft in the inside of draw-in groove.

Still further, the second lift-cabin door includes the second dodge gate, the second slot has been seted up to the left side surface of second dodge gate, the left side of second dodge gate is equipped with the flexible door of second, the right of the flexible door of second peg graft in the inside of second slot, the right side inner wall upper and lower side of second slot is fixed with the hydraulic stem, the left end of hydraulic stem is fixed in the right side surface of the flexible door of second.

Further, limiting blocks are fixed on the upper and lower sides of the left side of the first elevator door and the upper and lower sides of the right side of the second elevator door.

Further, the sum of the length of the first elevator door and the length of the second elevator door is equal to the length of the guide rail.

Further, the cross section of the fixing block, the cross section of the fixing hole and the cross section of the bolt are all circular with equal diameters.

Further, the distance from the rear surface of the push handle to the rear surface of the first retractable door is equal to the distance from the rear surface of the first movable door to the rear surface of the first retractable door.

The anti-pinch device for the elevator door has the beneficial effects that: when the hand clamping condition occurs, the seat occupant pushes the fixed block to move left through the fixed block forward by touching the push handle with the foot, at this moment, the first expansion gate moves left under the action of the power-assisted spring, the first expansion gate can be pulled back to avoid the injury, the joint action of the clamping block and the clamping groove can ensure that the bolt can not fall off, the structure of the second slot, the hydraulic rod and the second movable gate enables the injury to the hand to be effectively buffered and reduced when the hand clamping condition occurs and the hand clamping person does not respond in time, and the limiting block can ensure that the first elevator gate can not move right to cause secondary extrusion injury to the seat occupant after the first expansion gate moves left.

Drawings

The utility model will be described in further detail with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic view of the overall structure of a hand pinching prevention device;

FIG. 2 is a schematic cross-sectional view of a first swing door and a first telescoping door;

FIG. 3 is a schematic view of a fixing device;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at A;

fig. 5 is a schematic sectional structure of a joint of the second movable door and the second telescopic door.

In the figure: 1. a first elevator door; 2. a second elevator door; 3. a guide rail; 4. a slide block; 5. a limiting block; 6. a first movable door; 7. a first slot; 8. a first retractable door; 9. a booster spring; 10. a fixing device; 11. a spring groove; 12. a fixed spring; 13. a fixed block; 14. a fixing hole; 15. a plug pin; 16. a push handle; 17. a clamping groove; 18. a clamping block; 19. a second movable door; 20. a second slot; 21. a second retractable door; 22. and a hydraulic rod.

Detailed Description

The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

According to one aspect of the present utility model, as shown in fig. 1 to 5, there is provided an anti-pinch device for an elevator door, comprising a first elevator door 1, a second elevator door 2 is provided on the right side of the first elevator door 1, guide rails 3 are symmetrically provided above and below the first elevator door 1 and the second elevator door 2, sliding blocks 4 are fixed on the left side of the top and the left side of the bottom of the first elevator door 1 and the right side of the top and the right side of the bottom of the second elevator door 2, the sliding blocks 4 are inserted into the guide rails 3, the first elevator door 1 comprises a first movable door 6, a first slot 7 is provided on the left side of the first movable door 6, a first telescopic door 8 is provided on the right side of the first movable door 6, the left side of the first telescopic door 8 is inserted into the first slot 7, a booster spring 9 is fixed on the upper and lower side of the left inner wall of the first slot 7, the right end of the booster spring 9 is fixed on the left side surface of the first telescopic door 8, the left lower part of the rear surface of the first telescopic door 8 is provided with a fixing device 10, the fixing device 10 comprises a spring groove 11, the top of the spring groove 11 is fixedly provided with a fixing spring 12, the top of the fixing spring 12 is fixedly provided with a fixing block 13, the right lower part of the rear surface of the first movable door 6 is provided with a fixing hole 14, the fixing block 13 is penetrated into the fixing hole 14, the rear part of the fixing block 13 is provided with a bolt 15, the front part of the bolt 15 is penetrated into the fixing hole 14, the rear end of the bolt 15 is fixedly provided with a push handle 16, the left side and the right side of the middle part of the outer wall of the bolt 15 are fixedly provided with clamping blocks 18, the left side and the right side of the inner wall of the fixing hole 14 are symmetrically provided with clamping grooves 17, the clamping blocks 18 are inserted into the clamping grooves 17, the sum of the length of the first elevator door 1 and the length of the second elevator door 2 is equal to the length of the guide rail 3, the cross section of the fixing block 13, the cross section of the fixing hole 14 and the cross section of the bolt 15 are circular, the distance from the rear surface of the push handle 16 to the rear surface of the first telescopic door 8 is equal to the distance from the rear surface of the first movable door 6 to the rear surface of the first telescopic door 8, when the hand clamping condition occurs, a passenger touches the push handle 16 with the foot to move forward, pushes the fixing block 13 away from the fixing hole 14 through the bolt 15, at this time, the first telescopic door 8 moves towards the inside of the first slot 7 under the action of the power-assisted spring 9, the hand clamped part can be pulled back to avoid damage, and the joint action of the clamping block 18 and the clamping groove 17 can ensure that the bolt 15 cannot fall off. The second lift-cabin door 2 includes second dodge gate 19, second slot 20 has been seted up on the left side surface of second dodge gate 19, the left side of second dodge gate 19 is equipped with second flexible door 21, the right of second flexible door 21 is pegged graft in the inside of second slot 20, the right side inner wall upper and lower side of second slot 20 is fixed with hydraulic stem 22, the right side surface of second flexible door 21 is fixed in to the left end of hydraulic stem 22, when the structure of second slot 20, second flexible door 21 and hydraulic stem 22 makes the tong situation take place, can effectively cushion the injury that reduces to the hand when not in time making the reaction by the tong person. The upper and lower side in the left side of first lift-cabin door 1 and the upper and lower side in the right side of second lift-cabin door 2 all are fixed with stopper 5, and stopper 5 can guarantee that first expansion gate 8 moves back left first lift-cabin door 1 can not move right and cause secondary extrusion injury to the personnel of taking.

Of course, the above description is not intended to limit the utility model, but rather the utility model is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the utility model will be within the scope of the utility model.

Claims

1. The utility model provides a tong device is prevented to elevator door, includes first elevator door (1), its characterized in that: the right of first lift-cabin door (1) is equipped with second lift-cabin door (2), first lift-cabin door (1) with the top and the below symmetry of second lift-cabin door (2) are equipped with guide rail (3), the top left side of first lift-cabin door (1) all reaches on the left of the bottom the top right of second lift-cabin door (2) all is fixed with slider (4) on the right of bottom, slider (4) peg graft in the inside of guide rail (3), first lift-cabin door (1) include first dodge door (6), first slot (7) have been seted up on the left side of first dodge door (6), the right of first dodge door (6) be equipped with first expansion gate (8), peg graft in the inside of first slot (7) on the left side inner wall top and bottom, the right-hand member of spring (9) is fixed with first expansion gate (8) left side surface (10) are equipped with on the left side of first expansion gate (8).

2. The anti-pinch device of an elevator door as defined in claim 1, wherein: fixing device (10) are including spring groove (11), the top of spring groove (11) is fixed with fixed spring (12), the top of fixed spring (12) is fixed with fixed block (13), fixed orifices (14) have been seted up to the rear surface right below of first dodge gate (6), fixed block (13) wear to locate the inside of fixed orifices (14), the rear of fixed block (13) is equipped with bolt (15), the place ahead of bolt (15) wear to locate the inside of fixed orifices (14), the rear end of bolt (15) is fixed with pushing handle (16), both sides are fixed with fixture block (18) about the outer wall middle part of bolt (15), draw-in groove (17) have been seted up to the inner wall bilateral symmetry about fixed orifices (14), fixture block (18) peg graft in the inside of draw-in groove (17).

3. The anti-pinch device of an elevator door as defined in claim 1, wherein: the second elevator door (2) comprises a second movable door (19), a second slot (20) is formed in the left side surface of the second movable door (19), a second telescopic door (21) is arranged on the left side of the second movable door (19), the right side of the second telescopic door (21) is inserted into the second slot (20), a hydraulic rod (22) is fixed on the upper portion and the lower portion of the right side inner wall of the second slot (20), and the left end of the hydraulic rod (22) is fixed on the right side surface of the second telescopic door (21).

4. The anti-pinch device of an elevator door as defined in claim 1, wherein: limiting blocks (5) are fixed on the upper and lower sides of the left side of the first elevator door (1) and the upper and lower sides of the right side of the second elevator door (2).

5. The anti-pinch device of an elevator door as defined in claim 1, wherein: the sum of the length of the first elevator door (1) and the length of the second elevator door (2) is equal to the length of the guide rail (3).

6. The anti-pinch device of an elevator door as defined in claim 2, wherein: the cross section of the fixed block (13), the cross section of the fixed hole (14) and the cross section of the bolt (15) are all circular with equal diameters.

7. The anti-pinch device of an elevator door as defined in claim 2, wherein: the distance from the rear surface of the push handle (16) to the rear surface of the first telescopic door (8) is equal to the distance from the rear surface of the first movable door (6) to the rear surface of the first telescopic door (8).