CN210366556U

CN210366556U - Elevator door lock device

Info

Publication number: CN210366556U
Application number: CN201920718938.5U
Authority: CN
Inventors: 章文斌; 王支强; 钱冬清
Original assignee: Hangzhou Optimax Technology Co ltd
Current assignee: Hangzhou Optimax Technology Co ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-04-21
Anticipated expiration: 2029-05-17

Abstract

The application discloses lift-cabin door lock device is applicable to the well door dividing system including the first lift-cabin door of opposite direction of motion and second lift-cabin door, lift-cabin door lock device includes: the elevator door locking device comprises a fixed lock hook arranged on a door head bottom plate, a rotating lock hook which is arranged on a first elevator door and matched with the fixed lock hook, and a reset spring which is positioned on the first elevator door and used for driving the rotating lock hook to keep a locking state, wherein an auxiliary lock hook matched with the rotating lock hook is arranged on a second elevator door; the rotary lock hook is provided with a gate ball fixing plate with an adjustable position, and a gate ball which is driven to unlock by the rotary lock hook under the action of a gate knife is arranged on the gate ball fixing plate. The application provides an elevator door lock device, compact structure, protection level is high, and installation and debugging are convenient.

Description

Elevator door lock device

Technical Field

The present application relates to elevator technology, and more particularly, to an elevator door lock device.

Background

Every floor of elevator all is equipped with the landing door that conveniently advances and exits, and when the elevator was not in the flat bed position, the landing door need be closed, prevents that the passenger from falling into the well. In order to prevent accidents, the landing door is provided with a landing door lock. The landing door lock comprises a fixed lock hook, a rotating lock hook and an electrical element, when the rotating lock hook and the fixed lock hook are matched and hooked together, an electrical loop is switched on, the landing door is completely locked, and the elevator runs normally.

The elevator car is provided with a car door which runs along with the car, the car can run normally in the shaft only when the car door is completely closed and is in a locking state, the car door is also provided with a corresponding door lock, and the door lock structure of the car door can be the same as that of the landing door.

The elevator door lock on the existing market is divided into an internal locking type door lock and an external expanding type door lock, the electric contact of the internal locking type door lock has no protection grade, the installation and debugging are difficult, and the size is large.

SUMMERY OF THE UTILITY MODEL

The application provides an elevator door lock device, compact structure, protection level is high, and installation and debugging are convenient.

An elevator door lock device adapted for use in a door system including first and second elevator doors having opposite directions of movement, the elevator door lock device comprising: a fixed lock hook arranged on the bottom plate of the door head, a rotating lock hook which is arranged on the first elevator door and is matched with the fixed lock hook, and a reset spring which is positioned on the first elevator door and drives the rotating lock hook to keep a locking state,

the second elevator door is provided with an auxiliary lock hook matched with the rotary lock hook, and the rotary lock hook is simultaneously locked and matched with the fixed lock hook and the auxiliary lock hook when the elevator door is closed;

the rotary lock hook is provided with a gate ball fixing plate with an adjustable position, and a gate ball which is driven to unlock by the rotary lock hook under the action of a gate knife is arranged on the gate ball fixing plate.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, the rotating lock hook is provided with at least two mounting holes, the gate ball fixing plate is provided with strip-shaped holes corresponding to the number of the mounting holes, and the gate ball fixing plate and the rotating lock hook are attached to each other and fixed through bolts penetrating through the strip-shaped holes and the mounting holes.

Optionally, the strip-shaped hole on the gate ball fixing plate extends along the moving direction of the elevator door.

Optionally, a door lock fixing plate for installing the rotating lock hook is arranged on the first elevator door, a first folded edge is arranged on the door lock fixing plate, and the return spring abuts against the first folded edge and the rotating lock hook.

Optionally, a second folded edge for limiting the rotation limit position of the rotation lock hook is further arranged on the door lock fixing plate, and a cushion pad acting with the rotation lock hook is arranged on the second folded edge.

Optionally, the rotating latch hook is provided with a hook head bent upwards, the fixed latch hook and the auxiliary latch hook are respectively provided with an insertion opening matched with the hook head, and the insertion openings of the fixed latch hook and the auxiliary latch hook correspond in the vertical direction when the elevator door is in a closed state.

Optionally, the insertion openings on the fixed locking hook and the auxiliary locking hook are circumferentially closed structures, or the insertion openings on the side away from the rotating locking hook are open structures.

Optionally, a main contact socket with a downward jack is further arranged on the door head bottom plate, the main contact socket is connected into the elevator safety loop, and a main contact pin matched with the main contact socket is arranged on the rotating lock hook.

Optionally, an auxiliary contact socket with a jack facing the horizontal direction is further arranged on the door head bottom plate, the auxiliary contact socket is connected into the elevator safety loop, and an auxiliary contact pin matched with the auxiliary contact socket is arranged on the second elevator door.

Optionally, the rotating lock hook is further provided with a counterweight for driving the rotating lock hook to maintain the locking state with the fixed lock hook and the auxiliary lock hook.

Drawings

Fig. 1 is a schematic view of an elevator door lock device according to an embodiment of the present application;

fig. 2 is a schematic view of a rotating shackle in an elevator door lock device according to one embodiment of the present application;

fig. 3 is a schematic view of a rotating latch hook and a door ball member in an elevator door lock device according to an embodiment of the present invention (the rotating latch hook and the door ball member are separated);

fig. 4 is a schematic view of a fixed shackle and peripheral components of an elevator door lock device according to one embodiment of the present application.

In the figure: 1. a door lock fixing plate; 2. a guide bar; 3. a return spring; 4. rotating the latch hook; 5. a support; 6. a main contact pin; 7. a main contact socket; 8. a secondary contact socket; 9. a secondary contact pin; 10. a support; 11. a door hanging plate; 12. an auxiliary latch hook; 16. mounting a plate; 17. fixing the latch hook; 18. a door head base plate; 20. a door hanging plate; 21. a cushion pad; 22. a rotating shaft; 23. balancing weight; 24. a gate ball is moved; 25. a rotating shaft; 26. a gate ball fixing plate; 27. a rotating shaft; 28. a gate ball is fixed; 29. a bolt; 30. and a terminal.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

For a better description and illustration of embodiments of the application, reference may be made to one or more of the drawings, but additional details or examples for describing the drawings should not be construed as limiting the scope of any of the inventive concepts of the present application, the presently described embodiments, or the preferred versions.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As shown in fig. 1, an elevator door lock device is adapted to a door system including a first elevator door and a second elevator door having opposite movement directions, and includes: the elevator door locking device comprises a fixed lock hook 17 arranged on a door head bottom plate 18, a rotating lock hook 4 which is arranged on a first elevator door and is matched with the fixed lock hook 17, and a reset spring 3 which is positioned on the first elevator door and drives the rotating lock hook 4 to keep a locking state, wherein an auxiliary lock hook 12 which is matched with the rotating lock hook 4 is arranged on a second elevator door, and the rotating lock hook 4 is simultaneously locked and matched with the fixed lock hook 17 and the auxiliary lock hook 12 when the elevator door is closed;

the rotating lock hook 4 is provided with a gate ball fixing plate 26 with an adjustable position, and the gate ball fixing plate 26 is provided with a gate ball which is driven by the gate knife to unlock the rotating lock hook 4.

The application provides an elevator door lock device both can be used for elevator layer door, can be used for elevator sedan-chair door equally. The door head floor 18 remains stationary during opening and closing of the elevator door, and specifically, the door head floor 18 is fixedly mounted relative to the building for the landing door; for car doors, the door head floor 18 is mounted stationary relative to the car.

The application provides an elevator door lock device is applicable to door system, including first lift-cabin door and the second lift-cabin door of opposite direction of motion, first lift-cabin door and second lift-cabin door can adopt single door plant separately, or sliding fit's many door plants in proper order.

The elevator door comprises a door plate and a door hanging plate connected to the top of the door plate, the door plate is driven to be linked with the elevator door through the door hanging plate, and the auxiliary lock hook 12 and the rotating lock hook 4 are both installed on the door hanging plate.

As shown in fig. 1, the door hanging plate 11 of the second elevator door is provided with an auxiliary locking hook 12, when the elevator door is in a closed state, the rotating locking hook 4 is locked with the fixed locking hook 17 and the auxiliary locking hook 12 at the same time, so that when a steel wire rope for drawing the elevator door to move is broken, the risk that the second elevator door is opened to cause personnel to fall into a hoistway is prevented, and the safety and reliability of the elevator door system are ensured.

As shown in fig. 1, the auxiliary locking hook 12 is detachably connected to the door hanging plate 11 of the second elevator door by a bolt, the auxiliary locking hook 12 extends out of the corresponding side edge of the second elevator door, and when the elevator door is in a closed state, the auxiliary locking hook 12 and the fixed locking hook 17 are vertically corresponding to each other so as to be matched with the rotating locking hook 4 together.

As shown in fig. 1 and 3, the gate ball includes a fixed gate ball 28 and a movable gate ball 24, the fixed gate ball 28 is mounted on a gate ball fixing plate 26 through a rotating shaft 27, the movable gate ball 24 is mounted on the gate ball fixing plate 26 through a rotating shaft 25, and the movable gate ball 24 is pushed by the gate knife to drive the rotating latch hook 4 to rotate.

When the elevator door is closed in place, the auxiliary lock hook 12 corresponds to the fixed lock hook 17, the rotating lock hook 4 rotates to be in locking fit with the auxiliary lock hook 12 and the fixed lock hook 17, the rotating lock hook 4 is kept in a locking state through the return spring 3, and locking on a mechanical structure of the door lock is kept.

In one embodiment, as shown in fig. 3, at least two mounting holes are formed on the rotating lock hook 4, strip-shaped holes corresponding to the number of the mounting holes are formed on the gate ball fixing plate 26, and the gate ball fixing plate 26 and the rotating lock hook 4 are attached to each other and fixed by bolts 29 penetrating through the strip-shaped holes and the mounting holes.

In this application, rotating lock hook 4 and croquet fixed plate 26 and being the platelike, croquet fixed plate 26 pastes with rotating lock hook 4 mutually and pastes and pass through bolt 29 fixed connection, through the position of adjusting bolt 29 in the bar hole, can adjust the position of croquet fixed plate 26, also adjusts the position of croquet promptly.

In this application, the mounting hole that is equipped with on the rotation latch hook 4 is the bar hole, and the direction is different with the bar hole direction that is equipped with on the door ball fixed plate 26.

As shown in fig. 3, in one embodiment, there are two mounting holes on the goal fixing plate 26, and there are two corresponding strip-shaped holes, two mounting holes are located on two sides of the rotating shaft 22 of the rotating latch hook 4, and two strip-shaped holes are located on two sides of the fixed goal 28.

In one embodiment, as shown in fig. 3, the strip-shaped hole of the door ball fixing plate 26 extends along the moving direction of the elevator door. Croquet fixed plate 26 and install the croquet on croquet fixed plate 26 as a whole, are independent of the assembly of rotation latch hook 4, are equipped with the bar hole that extends along the horizontal direction on the croquet fixed plate 26, when the position of croquet needs to be adjusted, only need adjusting bolt in the position in the bar hole can, need not adjust the overall position of lift-cabin door lock device, conveniently operate on the building site.

In one embodiment, as shown in fig. 2 and 3, a door lock fixing plate 1 for mounting a rotating lock hook 4 is arranged on the first elevator door, a first folded edge is arranged on the door lock fixing plate 1, and a return spring 3 is pressed between the first folded edge and the rotating lock hook 4.

The door lock fixing plate 1 is installed on the door hanging plate 20, the rotating lock hook 4 is rotatably installed on the door lock fixing plate 1 through the rotating shaft 22, and the rotating shaft 22 is perpendicular to the door lock fixing plate 1. The return spring 3 acts on the first folded edge and the rotating locking hook 4, the rotating locking hook 4 is kept in a locking state through the acting force exerted by the return spring 3, the structure is compact, the standardization degree is high, and meanwhile, the size and the cost of the elevator door lock device can be reduced.

The rotating lock hook 4 and the first folding edge are provided with guide rods 2 extending into the reset spring 3, the end parts of the two guide rods 2 are provided with intervals to meet the requirement of the compression stroke of the reset spring 3, and at least one end of the reset spring 3 is fixedly connected with the acting parts to keep the locking stability of the elevator door lock device.

In one embodiment, as shown in fig. 2 and 3, the door lock fixing plate 1 is further provided with a second folded edge for limiting the rotation limit position of the rotation locking hook 4, and the second folded edge is provided with a cushion 21 for interacting with the rotation locking hook 4.

The first folding edge and the second folding edge are both positioned at the bottom edge of the door lock fixing plate 1, the limit rotating position of the rotating lock hook 4 is limited through the second folding edge, and the noise generated when the door lock device acts is reduced through the cushion pad 21 which is arranged to act with the rotating lock hook 4.

In one embodiment, as shown in fig. 1, 2 and 3, the rotating lock hook 4 is provided with a hook head bent upwards, the fixed lock hook 17 and the auxiliary lock hook 12 are both provided with insertion openings matched with the hook head, and in the closed state of the elevator door, the insertion openings of the fixed lock hook 17 and the auxiliary lock hook 12 correspond in the vertical direction.

As shown in fig. 1, in the elevator door closed state, the fixed lock hook 17 is positioned below the auxiliary lock hook 12, and the insertion openings of the fixed lock hook 17 and the auxiliary lock hook 12 correspond in the vertical direction so as to be engaged with the rotating lock hook 4.

In one embodiment, as shown in fig. 4, the insertion openings of the fixed latch hook 17 and the auxiliary latch hook 12 are circumferentially closed structures, or the insertion openings are open structures on the side facing away from the rotating latch hook 4.

The purpose of locking the rotating lock hook 4 by matching the fixed lock hook 17 and the auxiliary lock hook 12 is to prevent the first elevator door and the second elevator door from being far away from each other, and therefore, when the fixed lock hook 17 and the auxiliary lock hook 12 are matched with the rotating lock hook 4, the rotating lock hook 4 is prevented from moving in the horizontal direction (when the elevator door is in a closed state, one of the two elevator doors cannot move due to mutual interference of the two elevator doors, and therefore, the fixed lock hook 17 and the auxiliary lock hook 12 only need to prevent the rotating lock hook 4 from moving in the other moving direction), and the other directions can be of an open structure.

As shown in fig. 4, a mounting plate 16 is disposed on the door head base plate 18, the fixing latch hook 17 is fixed on the mounting plate 16 by a bolt, and the fixing latch hook 17 is open in a direction away from the rotating latch hook 4.

In one embodiment, as shown in fig. 3 and 4, the door head base plate 18 is further provided with a main contact socket 7 with a downward jack, the main contact socket 7 is connected into an elevator safety loop, and the rotating lock hook 4 is provided with a main contact pin 6 matched with the main contact socket 7.

As shown in fig. 3, the rotating latch hook 4 is mounted with a bracket 5 by a bolt, the main contact pin 6 is mounted with a bolt on the bracket 5, and the pin direction of the main contact pin 6 is upward.

The main contact socket 7 is fixed on the mounting plate 16, the jack of the main contact socket 7 faces downwards, impurities such as dust and sand wind are not easy to fall onto the contact in the main contact socket 7 through the jack, dust accumulation on the contact is avoided, the risk of bad contact of the door lock is avoided, and reliability is greatly improved.

In one embodiment, as shown in fig. 1 and 4, the door head bottom plate 18 is further provided with an auxiliary contact socket 8 with a jack facing the horizontal direction, the auxiliary contact socket 8 is connected into an elevator safety loop, and the second elevator door is provided with an auxiliary contact pin 9 matched with the auxiliary contact socket 8.

The auxiliary contact socket 8 is fixed on the mounting plate 16, the connecting terminal 30 is also fixed on the mounting plate 16, and the main contact socket 7 and the auxiliary contact socket 8 are connected into the connecting terminal 30 through corresponding wires. The door hanging plate 11 is provided with a bracket 10, and the auxiliary contact pin 9 is arranged on the bracket 10 through a bolt.

The main contact socket 7 and the auxiliary contact socket 8 are both switches meeting the protection level requirement of IP2X, so that the electric shock injury caused by the fact that the fingers of installation or maintenance personnel touch switch contacts is prevented, and the safety of the door lock is greatly improved.

When the door lock keeps the locking of a mechanical structure, the main contact pin 6 is communicated with the main contact socket 7, the auxiliary contact pin 9 is communicated with the auxiliary contact socket 8, a door lock elevator loop is communicated, and the electrical locking is realized.

In one embodiment, as shown in fig. 2, the rotating lock hook 4 is further provided with a weight 23 for driving the rotating lock hook 4 to maintain the locked state with the fixed lock hook 17 and the auxiliary lock hook 12.

Even if the return spring 3 fails, the locked state of the rotating hook 4 and the fixed hook 17 can be maintained by the gravity of the weight 23.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An elevator door lock device adapted for use in a door system including first and second elevator doors having opposite directions of movement, the elevator door lock device comprising: the fixed latch hook of setting on door head bottom plate, install on first lift-cabin door and with fixed latch hook complex rotation latch hook and be located first lift-cabin door and order about rotation latch hook and keep the reset spring of locking state, its characterized in that:

2. The elevator door lock device according to claim 1, wherein the rotary latch hook is provided with at least two mounting holes, the ball retainer plate is provided with a number of bar holes corresponding to the number of the mounting holes, and the ball retainer plate and the rotary latch hook are attached to each other and fixed by bolts passing through the bar holes and the mounting holes.

3. The elevator door lock device of claim 2, wherein the strip-shaped hole of the ball retainer plate extends in the direction of elevator door movement.

4. The elevator door lock device of claim 1, wherein the first elevator door has a door lock fixing plate for mounting the rotating latch hook, the door lock fixing plate has a first flange, and the return spring abuts between the first flange and the rotating latch hook.

5. The elevator door lock device of claim 4, wherein the door lock fixing plate is further provided with a second flange for limiting a rotation limit position of the rotating hook, and the second flange is provided with a cushion for interacting with the rotating hook.

6. The elevator door lock device according to claim 1, wherein the rotating latch hook is provided with a hook head bent upward, the fixed latch hook and the auxiliary latch hook are provided with insertion openings matched with the hook head, and the insertion openings of the fixed latch hook and the auxiliary latch hook correspond to each other in a vertical direction when the elevator door is closed.

7. The elevator door lock device of claim 6, wherein the insertion openings of the fixed latch hook and the auxiliary latch hook are circumferentially closed structures, or the insertion openings are open structures on a side facing away from the rotating latch hook.

8. The elevator door lock device according to claim 1, wherein the door head bottom plate further has a main contact socket with a downward-facing insertion hole, the main contact socket is connected to the elevator safety circuit, and the rotating latch hook is provided with a main contact pin engaged with the main contact socket.

9. The elevator door lock device of claim 8, wherein the door head bottom plate further has a sub-contact socket having a horizontal insertion hole, the sub-contact socket is connected to the elevator safety circuit, and the second elevator door has a sub-contact pin engaged with the sub-contact socket.

10. The elevator door lock device according to any one of claims 1 to 9, wherein the rotating hook is further provided with a counter weight for urging the rotating hook to maintain a locked state with the fixed hook and the auxiliary hook.