CN218950767U - Elevator door vane unlocking device - Google Patents

Abstract

The utility model discloses an elevator door vane unlocking device, which relates to the technical field of elevator equipment, wherein one end of a door vane limiting part is movably matched with a transmission assembly, the other end of the door vane limiting part is movably matched with a trigger assembly, one end of a guide rod is movably matched with the door vane limiting part, the other end of the guide rod sequentially penetrates through an elastic part and a guide seat, and the guide rod is in sliding connection with the guide seat; one end of the elastic piece is propped against the guide rod, the other end of the elastic piece is propped against the guide seat, the frequency converter controls the driving assembly to operate, the driving assembly is connected with the transmission assembly, the cutter arm part is in movable fit with the gate ball, and the latch hook block is in movable fit with the latch groove. When the elevator door system is closed, the elevator door drives the landing door to synchronously close in place, the door knife is triggered to unlock again, and landing locking is realized after the landing door lock and the elevator door lock are synchronously released, so that the elevator normally walks.

Description

Elevator door vane unlocking device

Technical Field

The utility model relates to the technical field of elevator equipment, in particular to an elevator door vane unlocking device.

Background

Elevators are used as traffic devices for transporting passengers and operate in building shafts for a long time, with elevator doors being the only passage for passengers to enter and exit the car. In general, the elevator has a very severe running environment, dust, solid foreign matters and the like are often deposited in a sill groove serving as a guiding function, and the running resistance of a landing door is often increased by the foreign matters such as dust and the like, so that the landing door cannot be closed in place, and the car door is closed in place. The door cannot be closed in place due to artificial blocking, such as a key, a thin object and the like, which are blocked at the door, and the operational resistance of the door is increased due to the influence of a chimney effect. When the elevator door is closed in place and the landing door cannot be closed in place, the elevator system can reopen the elevator door because the safety loop of the landing door lock is not connected; in the process of opening the car door, the car door lock hook can be blocked by the fixed lock seat fixed on the car door, so that the car door cannot be opened in a locking area, or the car door can be closed again after being opened, the car door can not be closed in place still, the car door is repeatedly opened again, the elevator cannot normally walk, and then the accident of closing a person is caused.

Disclosure of Invention

1. Technical problem to be solved by the utility model

Aiming at the technical problem that the landing door cannot be closed in place due to larger running resistance, the utility model provides the elevator door knife unlocking device, which can enable the elevator door to drive the landing door to be closed in place synchronously when the landing door running resistance is larger, and the door knife is triggered to unlock again, so that landing door locks and elevator door locks can be locked after being released synchronously, a safety loop is conducted, and the elevator can move normally.

2. Technical proposal

In order to solve the problems, the technical scheme provided by the utility model is as follows: the utility model provides an elevator door sword unlocking device, includes door sword locating part, drive assembly, door sword subassembly, croquet, trigger assembly, drive assembly and converter, wherein: one end of the door knife limiting piece is movably matched with the transmission assembly, the other end of the door knife limiting piece is movably matched with the triggering assembly, the triggering assembly comprises a guide rod, an elastic piece and a guide seat, one end of the guide rod is movably matched with the door knife limiting piece, the other end of the guide rod sequentially penetrates through the elastic piece and the guide seat, and the guide rod is in sliding connection with the guide seat; one end of the elastic piece is propped against the guide rod, and the other end of the elastic piece is propped against the guide seat, so that when the guide rod is matched with the door knife limiting piece and pushes the door knife limiting piece, the door knife limiting piece is separated from the transmission component; the frequency converter controls the driving assembly to operate, the driving assembly is connected with the transmission assembly, when the frequency converter receives the information that the car door is closed in place, the frequency converter outputs an instruction for canceling the door closing driving force to the driving assembly, and when the door knife limiting piece is separated from the transmission assembly, the frequency converter continues to output the instruction for closing the door driving force to the driving assembly; one end of the transmission component is movably matched with the door knife limiting piece, and the other end of the transmission component is connected with the door knife component, so that when the transmission component is separated from the door knife limiting piece, the transmission component drives the door knife component to open, and when the transmission component is matched with the door knife limiting piece, the transmission component drives the door knife component to shrink; the door knife assembly comprises a knife arm part, a lock hook block and a hook groove, wherein the knife arm part is in movable fit with the door ball, the lock hook block is in movable fit with the hook groove, so that when the knife arm part is opened, the knife arm part releases the door ball, the lock hook block is matched with the hook groove, the door lock is locked, when the knife arm part is contracted, the knife arm part clamps the door ball, the lock hook block is separated from the hook groove, and the door lock is unlocked.

Optionally, the one end that the guide bar is close to the door sword locating part has first baffle, elastic component one end supports and leans on first baffle, and the elastic component other end supports and leans on the guide holder, the one end that the guide bar kept away from door sword locating part has the second baffle, the second baffle is located the one end that the guide holder kept away from the elastic component.

Optionally, one end of the guide rod, which is close to the door knife limiting piece, is provided with a supporting seat, a rotating shaft is arranged on the supporting seat, a roller rolling around the rotating shaft is sleeved on the rotating shaft, and the roller is movably matched with the door knife limiting piece.

Optionally, the material of the roller is plastic.

Optionally, the transmission assembly includes door sword driving piece and sword arm connecting rod, door sword driving piece is connected with drive assembly, and door sword driving piece one end is connected with the sword arm connecting rod, and door sword driving piece other end and door sword locating part clearance fit, the sword arm connecting rod is connected with door sword assembly.

Optionally, the door vane assembly includes first sword arm, second sword arm, door vane first connecting rod and door vane second connecting rod, first sword arm, second sword arm, door vane first connecting rod and door vane second connecting rod are articulated each other and constitute parallelogram link mechanism, the sword arm connecting rod articulates in first sword arm.

Optionally, the latch hook block has a hook body that mates with the hook slot.

Optionally, a groove is formed at one end of the door knife driving member away from the knife arm connecting rod, and the groove is matched with the door knife limiting member.

Optionally, the door knife comprises a door knife back plate, the door knife limiting piece is rotatably arranged on the door knife back plate, and the door knife transmission piece is horizontally arranged on the door knife back plate in a sliding mode, or the door knife transmission piece is hinged to the door knife back plate in a swinging mode, so that the transmission assembly drives the knife arm component to open or contract.

Optionally, the driving assembly comprises a motor and a synchronous belt, the synchronous belt is connected with the transmission assembly, and the motor drives the synchronous belt to move.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) When the landing door is closed and operated to receive resistance (the operation resistance is greater than the self-closing force of landing door self), the door knife limiting piece is propped against the guide rod, the elastic piece is stressed and compressed, the elastic piece cannot rely on the elastic force of the elastic piece to restore to the original position, the elevator door is driven by the car door to synchronously close the door in place, the frequency converter outputs an instruction for canceling the door closing driving force to the driving piece, the relative pressure between the door knife limiting piece and the driving piece is relieved, the elastic piece pushes the guide rod to reset under the action of self-elastic force, the guide rod pushes the door knife limiting piece, the door knife limiting piece and the driving piece are separated, then the door frequency converter outputs a door closing driving instruction to the driving piece, the driving piece drives the driving piece to move, the driving piece drives the door knife assembly to open, the door knife assembly releases the door ball, the lock hook block is matched with the hook groove, the door lock is locked, the landing door lock and the car door lock are synchronously locked, the safety loop is conducted, and the elevator normally walks.

(2) The elevator door knife unlocking device provided by the embodiment of the application, when the landing door is closed, the operation is subjected to small resistance (the operation resistance is smaller than the self-closing force of the landing door), the relative pressure between the door knife limiting part and the transmission assembly is small, and the door knife limiting part can be easily pushed by the guide rod, so that the door lock is locked in advance, at the moment, the landing door is driven to be closed in place synchronously by the elevator door knife unlocking device, the elevator door system is driven continuously, and the elevator door and the landing door are closed in place.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an unlocking device for an elevator door vane according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of an elevator door vane unlocking device according to an embodiment of the present utility model, in which when resistance is small, a first cutter arm and a second cutter arm clamp a door ball, and a door vane limiting member and a guide rod are not contacted.

Fig. 3 is a schematic diagram of an elevator door knife unlocking device according to an embodiment of the utility model, when resistance is small, a first knife arm and a second knife arm clamp a door ball, and a guide rod stretches out to push a door knife limiting part under the elasticity of an elastic part.

Fig. 4 is a schematic diagram of an elevator door knife unlocking device according to an embodiment of the present utility model, in which when the resistance is small, a guide rod stretches out under the elasticity of an elastic member to push a door knife limiting member, and a first knife arm and a second knife arm release a door ball to lock a door lock.

Fig. 5 is a schematic diagram of an elevator door unlocking device according to an embodiment of the present utility model, in which when the resistance is small, the elevator door system continues to drive, so that the car door is closed in place.

Fig. 6 is a schematic diagram of an elevator door knife unlocking device provided by the embodiment of the utility model, in which when resistance is large, a door ball is clamped by a first knife arm and a second knife arm, and a door knife limiting piece and a guide rod are not contacted.

Fig. 7 is a schematic diagram of an elevator door knife unlocking device according to an embodiment of the utility model, when resistance is large, a door ball is clamped by a first knife arm and a second knife arm, and a door knife limiting piece contacts a guide rod to compress an elastic piece.

Fig. 8 is a schematic diagram of an elevator door knife unlocking device according to an embodiment of the utility model, when resistance is large, a door ball is clamped by a first knife arm and a second knife arm, a door knife limiting piece contacts a guide rod to enable an elastic piece to be compressed, and a frequency converter withdraws a door closing driving force instruction.

Fig. 9 is a schematic diagram of a door lock locking schematic diagram of an elevator door knife unlocking device according to an embodiment of the utility model, when resistance is large, a first knife arm and a second knife arm release a door ball, a frequency converter continues to output a command of a door closing driving force.

Fig. 10 is a schematic view showing an elastic member of a trigger assembly of an elevator door vane unlocking device according to an embodiment of the present utility model not being compressed by force.

Fig. 11 is a schematic diagram showing the compression of the elastic member of the trigger assembly of the elevator door vane unlocking device according to the embodiment of the present utility model.

Fig. 12 is a schematic diagram of a door knife transmission member of an elevator door knife unlocking device according to an embodiment of the present utility model, wherein the door knife transmission member is horizontally slidably disposed on a door knife back plate, and the door knife limiting member and the door knife transmission member are matched.

Fig. 13 is a schematic diagram of a door knife transmission member of an elevator door knife unlocking device according to an embodiment of the utility model, wherein the door knife transmission member is horizontally and slidably arranged on a door knife backboard, and the door knife limiting member and the door knife transmission member are separated.

Fig. 14 is a schematic diagram of an elevator door vane unlocking device according to an embodiment of the present utility model, in which a door vane driving member is hinged to a door vane back plate in a swinging manner, and a door vane limiting member is engaged with the door vane driving member.

Fig. 15 is a schematic diagram of an elevator door vane unlocking device according to an embodiment of the present utility model, in which a door vane driving member is hinged to a door vane back plate in a swinging manner, and a door vane limiting member is separated from the door vane driving member.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.

Example 1

Referring to fig. 1-15, the elevator door vane unlocking device of the present embodiment includes a door vane limiting member 1, a transmission component 2, a door vane component 3, a door ball 4, a trigger component 5, a driving component 6 and a frequency converter 7, wherein: one end of the door knife limiting piece 1 is movably matched with the transmission component 2, the other end of the door knife limiting piece 1 is movably matched with the triggering component 5, the triggering component 5 comprises a guide rod 51, an elastic piece 52 and a guide seat 53, one end of the guide rod 51 is movably matched with the door knife limiting piece 1, the other end of the guide rod 51 sequentially penetrates through the elastic piece 52 and the guide seat 53, and the guide rod 51 is in sliding connection with the guide seat 53; one end of the elastic piece 52 is abutted against the guide rod 51, and the other end of the elastic piece 52 is abutted against the guide seat 53, so that when the guide rod 51 is matched with the door knife limiting piece 1 and pushes the door knife limiting piece 1, the door knife limiting piece 1 is separated from the transmission component 2; the frequency converter 7 controls the driving assembly 6 to operate, the driving assembly 6 is connected with the transmission assembly 2, when the frequency converter 7 receives the information that the car door is closed in place, the frequency converter 7 outputs an instruction for canceling the door closing driving force to the driving assembly 6, and when the door knife limiting piece 1 is separated from the transmission assembly 2, the frequency converter 7 continues to output the instruction for closing the door driving force to the driving assembly 6; one end of the transmission component 2 is movably matched with the door knife limiting piece 1, the other end of the transmission component 2 is connected with the door knife component 3, so that when the transmission component 2 is separated from the door knife limiting piece 1, the transmission component 2 drives the door knife component 3 to open, and when the transmission component 2 is matched with the door knife limiting piece 1, the transmission component 2 drives the door knife component 3 to shrink; the door knife assembly 3 comprises a knife arm part 31, a lock hook block 32 and a hook groove 33, wherein the knife arm part 31 is movably matched with the door ball 4, the lock hook block 32 is movably matched with the hook groove 33, the door ball 4 is arranged on a landing door, the lock hook block 32 is arranged on the door knife backboard 8, and the rotation of the door ball 4 drives the lock hook block 32 to rotate, so that the lock hook block 32 is matched with or separated from the hook groove 33. When the door knife assembly 3 is opened, the door knife assembly 3 releases the door ball 4, the lock hook block 32 is matched with the hook groove 33, the door lock is locked, and when the door knife assembly 3 is contracted, the door knife assembly 3 clamps the door ball 4, the lock hook block 32 is separated from the hook groove 33, and the door lock is unlocked. When the landing door is closed and operated and is subjected to resistance (the operation resistance is greater than the self-closing force of the landing door), the door knife limiting piece 1 is propped against the guide rod 51, the elastic piece 52 is stressed and compressed, the relative pressure between the door knife limiting piece 1 and the locking of the transmission component 2 is relatively high, the elastic piece 52 cannot be restored by virtue of the self elastic force, at the moment, the car door is closed in place, namely the car door is driven to synchronously close the landing door, the frequency converter 7 outputs an instruction for canceling the door closing driving force to the driving component 6, the relative pressure between the door knife limiting piece 1 and the transmission component 2 is relieved, the elastic piece 52 pushes the guide rod 51 to reset under the action of self elastic force, the guide rod 51 pushes the door knife limiting piece 1 to separate from the transmission component 2, then the door frequency converter 7 outputs a driving instruction to the driving component 6, the transmission component 2 is driven to move by the driving component 6, the door knife component 3 is driven to open by the transmission component 2, the door knife component 3 is released from the door ball 4, the lock hook block 32 is matched with the hook groove 33, the door lock is locked, the synchronous locking of the landing door and the car door is ensured, the safety loop is closed normally, and the elevator is opened; when the landing door is closed, the resistance is smaller (the running resistance is smaller than the self-closing force of the landing door), the relative pressure between the door knife limiting part 1 and the transmission assembly 2 is smaller, and the door knife limiting part 1 can be easily pushed by the guide rod 51, so that the door lock is locked in advance, and the landing door is driven to be closed in place by a distance from the elevator door, and the elevator door system is driven continuously, so that the elevator door and the landing door are closed in place.

Example 2

With reference to fig. 1-15, compared with the technical solution of embodiment 1, the elevator door vane unlocking device of the present embodiment can be improved as follows: the one end that the guide rod 51 is close to door vane limiter 1 has first baffle 511, the first baffle 511 is supported to elastic component 52 one end, and the guide holder 53 is supported to the elastic component 52 other end, the one end that the guide rod 51 kept away from door vane limiter 1 has second baffle 512, second baffle 512 is located the one end that the guide holder 53 kept away from elastic component 52. The first blocking plate 511 serves to compress the elastic member 52 when the guide rod 51 moves toward the guide holder 53, and the second blocking plate 512 prevents the guide rod 51 from being separated from the guide holder 53 when the guide rod 51 is restored by the pushing of the elastic member 52.

Example 3

With reference to fig. 1-15, compared with the technical solutions of embodiments 1 or 2, the elevator door vane unlocking device of the present embodiment can be improved as follows: the one end that the guide bar 51 is close to the door vane limiter is equipped with and props the bracket 54, prop the bracket 54 and install pivot 55, the cover is equipped with the cylinder 56 that revolutes the pivot 55 on the pivot 55, cylinder 56 and door vane limiter 1 clearance fit, when cylinder 56 promotes door vane limiter 1, door vane limiter 1 is forced to take place the swing, and cylinder 56 can make cylinder 56 push up on door vane limiter 1 all the time around the design of revolute 55 roll, can not appear the jamming.

Example 4

With reference to fig. 1-15, compared with any one of the technical schemes in embodiments 1-3, the elevator door vane unlocking device of the present embodiment can be improved as follows: the material of the roller is plastic. The plastic material ensures that the roller 56 has good wear resistance and elasticity, which is helpful for the roller 56 to be propped against the door knife limiting piece 1 all the time, and no clamping stagnation can occur.

Example 5

With reference to fig. 1-15, compared with any one of the technical schemes in embodiments 1-4, the elevator door vane unlocking device of the present embodiment can be improved as follows: the transmission assembly 2 comprises a door knife transmission piece 21 and a knife arm connecting rod 22, the door knife transmission piece 21 is connected with the driving assembly 6, one end of the door knife transmission piece 21 is connected with the knife arm connecting rod 22, the other end of the door knife transmission piece 21 is movably matched with the door knife limiting piece 1, and the knife arm connecting rod 22 is connected with the knife arm part 31. When the door knife limiting piece 1 is separated from the door knife transmission piece 21, the door knife transmission piece 21 moves under the drive of the driving assembly 6, the door knife transmission piece 21 drives the knife arm part 31 to open through the knife arm connecting rod 22, the knife arm part 31 releases the door ball 4, the lock hook block 32 is matched with the hook groove 33, and the door lock is locked; in the door opening process of the elevator car door, the door knife transmission piece 21 moves under the drive of the drive assembly 6, the door knife transmission piece 21 drives the knife arm part 31 to retract through the knife arm connecting rod 22, the knife arm part 31 clamps the door ball 4, the lock hook block 32 is separated from the hook groove 33, and the door lock is unlocked.

Example 6

With reference to fig. 1 to 15, compared with any one of the technical schemes in embodiments 1 to 5, the elevator door vane unlocking device of the present embodiment can be improved as follows: the cutter arm part 31 comprises a first cutter arm 311, a second cutter arm 312, a first door cutter link 313 and a second door cutter link 314, wherein the first cutter arm 311, the second cutter arm 312, the first door cutter link 313 and the second door cutter link 314 are mutually hinged to form a parallelogram link mechanism, and the cutter arm link 22 is hinged to the first cutter arm 311. In the door closing process of the elevator car door, the door knife transmission piece 21 moves under the drive of the drive assembly 6, the door knife transmission piece 21 drives the first knife arm 311, the second knife arm 312, the door knife first connecting rod 313 and the door knife second connecting rod 314 to form a parallelogram connecting rod mechanism to deform through the knife arm connecting rod 22, so that the first knife arm 311 and the second knife arm 312 are far away from each other, the first knife arm 311 and the second knife arm 312 loosen the door ball 4, the lock hook block 32 is matched with the hook groove 33, and the door lock is locked; in the door opening process of the elevator car, the door knife transmission piece 21 moves under the driving of the driving assembly 6, the door knife transmission piece 21 drives the first knife arm 311, the second knife arm 312, the door knife first connecting rod 313 and the door knife second connecting rod 314 to form a parallelogram connecting rod mechanism through the knife arm connecting rod 22 to release deformation, the first knife arm 311 and the second knife arm 312 are close to each other, the first knife arm 311 and the second knife arm 312 clamp the door ball 4, the lock hook block 32 is matched with the hook groove 33, and the door lock is unlocked.

Example 7

With reference to fig. 1 to 15, compared with any one of the technical schemes in embodiments 1 to 6, the elevator door vane unlocking device of the present embodiment can be improved as follows: the latch hook block 32 has a hook body engaged with the hook groove 33. When the first cutter arm 311 and the second cutter arm 312 are close to each other under the driving of the driving assembly 6, the first cutter arm 311 and the second cutter arm 312 fasten the gate ball 4, the gate ball 4 drives the latch hook block 9 to rotate, the hook body and the hook groove 33 are separated, the door lock is locked, when the first cutter arm 311 and the second cutter arm 312 are far away from each other under the driving of the driving assembly 6, the first cutter arm 311 and the second cutter arm 312 loosen the gate ball 4, the latch hook block 9 returns to the original position, the hook body and the hook groove 33 are matched, and the door lock is unlocked.

Example 8

With reference to fig. 1 to 15, compared with any one of the technical schemes in embodiments 1 to 7, the elevator door vane unlocking device of the present embodiment can be improved as follows: the end of the door knife driving member 21 far away from the knife arm connecting rod 22 is provided with a groove 211, and the groove 211 is matched with the door knife limiting member 1. The door knife limiting piece 1 is matched with the groove 211, so that relative displacement between the door knife limiting piece 1 and the door knife transmission piece 21 is not easy to occur, and the door knife limiting piece 1 fully plays a limiting role.

Example 9

With reference to fig. 1 to 15, compared with any one of the technical schemes in embodiments 1 to 8, the elevator door vane unlocking device of the present embodiment can be improved as follows: the door knife driving device is characterized by further comprising a door knife back plate 8, wherein the door knife limiting piece 1 is rotatably arranged on the door knife back plate 8, and the door knife driving piece 21 is horizontally arranged on the door knife back plate in a sliding mode, or the door knife driving piece 21 is hinged to the door knife back plate 8 in a swinging mode, so that the door knife driving piece 21 drives the knife arm part 31 to open or contract. When one end of the door knife limiting piece 1 is pushed by the triggering component 5, the knife arm component 31 rotates around the door knife back plate 8, so that the other end of the door knife limiting piece 1 is separated from the door knife transmission piece 21, and when the door knife limiting piece 1 is pushed to a certain position, the protruding blocks 81 on the door knife back plate and the grooves 211 on the door knife transmission piece can prevent the door knife limiting piece 1 from being pushed too far to influence the operation of other components.

Example 10

With reference to fig. 1 to 15, compared with any one of the technical schemes in embodiments 1 to 9, the elevator door vane unlocking device of the present embodiment can be improved as follows: the driving assembly 6 comprises a motor 61 and a synchronous belt 62, the synchronous belt 62 is connected with the transmission assembly 2, and the motor 61 drives the synchronous belt 62 to move. When the frequency converter 7 outputs a command for canceling the door closing drive to the motor 61, the motor 61 stops rotating, so that the synchronous belt 62 stops driving the transmission assembly 2 to move, the relative pressure between the door knife limiting piece 1 and the transmission assembly 2 is relieved, and when the frequency converter 7 continuously outputs a command for canceling the door closing drive to the motor 61, the motor 61 continuously drives the transmission assembly 2 to move through the synchronous belt 62.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (10)

1. The utility model provides an elevator door sword unlocking device which characterized in that, includes door sword locating part, drive assembly, door sword subassembly, croquet, trigger assembly, drive assembly and converter, wherein:

one end of the door knife limiting piece is movably matched with the transmission component, the other end of the door knife limiting piece is movably matched with the triggering component, the triggering component comprises a guide rod, an elastic piece and a guide seat, one end of the guide rod is movably matched with the door knife limiting piece, the other end of the guide rod sequentially penetrates through the elastic piece and the guide seat, the guide rod is in sliding connection with the guide seat, one end of the elastic piece abuts against the guide rod, and the other end of the elastic piece abuts against the guide seat, so that the guide rod is separated from the transmission component when the guide rod is matched with the door knife limiting piece and pushes the door knife limiting piece;

the frequency converter controls the driving assembly to operate, the driving assembly is connected with the transmission assembly, when the frequency converter receives the information that the car door is closed in place, the frequency converter outputs an instruction for canceling the door closing driving force to the driving assembly, and when the door knife limiting piece is separated from the transmission assembly, the frequency converter continues to output the instruction for closing the door driving force to the driving assembly;

one end of the transmission component is movably matched with the door knife limiting piece, and the other end of the transmission component is connected with the door knife component, so that when the transmission component is separated from the door knife limiting piece, the transmission component drives the door knife component to open, and when the transmission component is matched with the door knife limiting piece, the transmission component drives the door knife component to shrink;

the door knife assembly comprises a knife arm part, a lock hook block and a hook groove, wherein the knife arm part is in movable fit with the door ball, the lock hook block is in movable fit with the hook groove, so that when the knife arm part is opened, the knife arm part releases the door ball, the lock hook block is matched with the hook groove, the door lock is locked, when the knife arm part is contracted, the knife arm part clamps the door ball, the lock hook block is separated from the hook groove, and the door lock is unlocked.

2. The elevator door vane unlocking device according to claim 1, wherein one end of the guide rod, which is close to the door vane limiting piece, is provided with a first baffle, one end of the elastic piece is abutted against the first baffle, the other end of the elastic piece is abutted against the guide seat, one end of the guide rod, which is far away from the door vane limiting piece, is provided with a second baffle, and the second baffle is located at one end of the guide seat, which is far away from the elastic piece.

3. The elevator door vane unlocking device according to claim 1, wherein a supporting seat is arranged at one end of the guide rod, which is close to the door vane limiting piece, a rotating shaft is arranged on the supporting seat, a roller rolling around the rotating shaft is sleeved on the rotating shaft, and the roller is movably matched with the door vane limiting piece.

4. The elevator door vane unlocking device according to claim 3, wherein the material of the drum is plastic.

5. The elevator door vane unlocking device according to claim 1, wherein the transmission assembly comprises a door vane transmission member and a vane arm connecting rod, the door vane transmission member is connected with the driving assembly, one end of the door vane transmission member is connected with the vane arm connecting rod, the other end of the door vane transmission member is movably matched with the door vane limiting member, and the vane arm connecting rod is connected with the vane arm component.

6. The elevator vane unlocking device of claim 5, wherein the vane arm member comprises a first vane arm, a second vane arm, a vane first link, and a vane second link, the first vane arm, the second vane arm, the vane first link, and the vane second link being hinged to one another to form a parallelogram linkage, the vane arm link being hinged to the first vane arm.

7. The elevator vane unlocking device according to claim 6, wherein the lock hook block has a hook body that mates with a hook groove.

8. The elevator door knife unlocking device according to claim 5, wherein the end of the door knife transmission piece away from the knife arm connecting rod is provided with a groove, and the groove is matched with the door knife limiting piece.

9. The elevator door vane unlocking device according to claim 5, further comprising a door vane back plate, wherein the door vane limiting member is rotatably mounted on the door vane back plate, the door vane driving member is horizontally slidably disposed on the door vane back plate, or the door vane driving member is pivotally hinged on the door vane back plate, so that the driving assembly drives the vane arm member to expand or contract.

10. The elevator door vane unlocking device according to claim 1, wherein the driving assembly comprises a motor and a synchronous belt, the synchronous belt is connected with the transmission assembly, and the motor drives the synchronous belt to move.

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