CN215924117U - Elevator single-opening door lock - Google Patents
Elevator single-opening door lock Download PDFInfo
- Publication number
- CN215924117U CN215924117U CN202121926794.6U CN202121926794U CN215924117U CN 215924117 U CN215924117 U CN 215924117U CN 202121926794 U CN202121926794 U CN 202121926794U CN 215924117 U CN215924117 U CN 215924117U
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- unlocking
- pull rod
- lock
- unlocking pull
- bolt
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Abstract
The utility model discloses a single-door lock for an elevator, which comprises a lock shell, a driving mechanism, a lock bolt, a movable contact component and a static contact component, wherein the driving mechanism is connected with an unlocking pull rod; an unlocking pull rod is further arranged in the lock shell, one end of the unlocking pull rod is connected with the unlocking pull rod, and the other end of the unlocking pull rod is connected with an emergency unlocking device through a pull rope to form an emergency unlocking structure. The unlocking pull rod, the V-shaped frame and the like with unique structures are designed in the lock shell to serve as driving connection structures during unlocking, and the U-shaped unlocking pull rod is designed to serve as a driving connection structure for emergency unlocking; and the unlocking pull rod is directly connected with the unlocking pull rod, so that the mutual combination of the unlocking connecting structure and the emergency unlocking connecting structure is realized, the structure is simplified, the arrangement of the internal structure of the lock body is facilitated, the structure of the lock body is smaller, the requirement on the installation space is lower, and the unlocking and emergency unlocking processes are smoother and more reliable.
Description
Technical Field
The utility model relates to the technical field of elevator equipment, in particular to a single-door lock for elevator equipment.
Background
Modern buildings are increasingly using elevators, and door locks are an important safety guarantee device in elevators, and only when the door locks are determined to be in an unlocked state or a locked state, the elevators can perform actions such as opening doors, closing doors, moving and the like. The lock body of the elevator door lock generally comprises a lock bolt, a driving mechanism, a movable contact assembly, a static contact assembly and the like, wherein the driving mechanism drives the lock bolt to extend out of or retract into the lock body so as to realize locking or unlocking, and meanwhile, an emergency unlocking device is also usually arranged in order to realize emergency unlocking in emergency states such as power failure and the like. However, the existing elevator door lock on the market is usually complex in structure, especially a connecting structure between a driving mechanism and an emergency unlocking device and a lock bolt, so that not only is the size of the lock body larger due to the arrangement mode of a motor, but also the lock body is not suitable for an elevator with smaller installation space; and two connection structures are independent of each other, can cause the puzzlement for the internal structure of lock body arranges.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the elevator single-door lock which has the advantages of more reasonable design, simpler structure, higher reliability and smoother working process.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an elevator list lock of opening door, is including lock shell, actuating mechanism, set bar (spring bolt), moving contact subassembly and static contact subassembly, and static contact subassembly fixed mounting has signal communication to contact in the lock body and with elevator control system, and moving contact subassembly is fixed with set bar movable assembly, and the set bar passes through the guide post to be installed and forms extending structure in the lock shell to the set bar is connected its characterized in that with actuating mechanism: the driving mechanism is connected with an unlocking pull rod, the unlocking pull rod is connected with a driving frame, and the driving frame is connected with the lock bolt to form a structure capable of driving the lock bolt to retract into the lock shell to realize unlocking; an unlocking pull rod is further arranged in the lock shell, one end of the unlocking pull rod is connected with the unlocking pull rod, and the other end of the unlocking pull rod is connected with an emergency unlocking device through a pull rope, so that an emergency unlocking structure for the door lock is formed.
Furthermore, the driving frame is a V-shaped frame, and the corner position of the V-shaped frame is arranged on the lock shell through a rotating shaft to form a rotatable structure; one end of the V-shaped frame is connected with the lock bolt through the movable contact component, and the other end of the V-shaped frame is pivoted and fixed with the unlocking pull rod. Of course, the driving frame is not limited to the V-shaped frame, and may have a similar shape, such as a 7-shaped frame, a Z-shaped frame, and so on.
Furthermore, the unlocking pull rod is of a U-shaped structure, the front end of the unlocking pull rod is connected with the tail end of the unlocking pull rod, and the tail end of the unlocking pull rod is connected with the inhaul cable; the lock shell is internally provided with a guide block, and the unlocking pull rod is clamped through the guide block so as to realize the guide positioning when the unlocking pull rod moves.
Furthermore, the rear part of the unlocking pull rod is fixedly installed through a guide seat, the tail end of the unlocking pull rod extends out of the rear part of the guide seat, a connector with the width larger than that of the rod body of the unlocking pull rod is arranged at the tail part of the unlocking pull rod, and the driving mechanism is fixedly connected with the connector; the front end of the unlocking pull rod is provided with a U-shaped clamping groove, and the U-shaped clamping groove is clamped at the position, between the guide seat and the connector, of the unlocking pull rod so as to form a structure capable of pulling the unlocking pull rod to move for unlocking.
Further, the guide post is fixed in the lock case, which is inserted from the tail end of the lock bolt; the guide post is sleeved with a spring, the tail end of the spring is propped against the lock shell, and the front end of the spring is propped against the lock bolt, so that a structure for driving the lock bolt to extend out of the lock shell to realize locking is formed.
Furthermore, the driving mechanism comprises a motor and a driver, and the motor is controlled by the driver; a transmission shaft of the motor is connected with a driving wheel, and a driven wheel is meshed with the driving wheel; a pull rope is fixed on the driven wheel and is fixedly connected with the connector.
Furthermore, the emergency unlocking device comprises an unlocking support, a rotatable unlocking head is installed in the unlocking support through an unlocking cover plate, and the front end of the unlocking head is provided with a triangular head; an unlocking bolt which can rotate along with the rotation of the unlocking head is fixed on the unlocking head, and the middle position of the unlocking head and the unlocking bolt is fixed; the front end of the unlocking bolt is fixedly connected with the inhaul cable, and the tail end of the unlocking bolt is connected with the unlocking support through the reset spring so as to reset the emergency unlocking device.
The unlocking pull rod, the V-shaped frame and the like with unique structures are designed in the lock shell to serve as driving connection structures during unlocking, and the U-shaped unlocking pull rod is designed to serve as a driving connection structure for emergency unlocking; and the unlocking pull rod is directly connected with the unlocking pull rod, so that the mutual combination of the unlocking connecting structure and the emergency unlocking connecting structure is realized. Not only the structure is simplified, spare and accessory parts are reduced, and the arrangement and the design of the internal structure of the lock body are facilitated. Meanwhile, the lock body can be reasonably arranged, the size of the lock body is reduced, and the lock is suitable for being installed in a smaller elevator.
Drawings
FIG. 1 is an overall block diagram of the door lock of the present invention;
FIG. 2 is an internal structural view of the door lock body of the present invention;
FIG. 3 is a block diagram of an emergency release mechanism used in conjunction with the door lock of the present invention;
fig. 4 is a block diagram of the emergency release mechanism of fig. 3 from another angle.
In the figure, 1 is a lock case, 2 is a motor, 3 is a driving wheel, 4 is a driven wheel, 5 is a pull rope, 6 is an unlocking pull rod, 7 is a V-shaped frame, 8 is a lock bolt, 9 is a moving contact component, 10 is a static contact component, 11 is a guide column, 12 is a spring, 13 is a rotating shaft, 14 is a guide seat, 15 is an unlocking pull rod, 16 is a guide block, 17 is an unlocking support, 18 is an unlocking head, 19 is a triangular head, 20 is an unlocking bolt, 21 is an unlocking cover plate, and 22 is a return spring.
Detailed Description
In this embodiment, referring to fig. 1 to 4, the elevator single-door lock includes a lock housing 1, a driving mechanism, a lock plunger 8, a movable contact component 9 and a fixed contact component 10, where the fixed contact component 10 is fixedly installed in the lock body 1 and has a signal communication connection with an elevator control system to realize confirmation of locking and unlocking states. The movable contact assembly 9 is fixedly assembled with the lock bolt 8, the lock bolt 8 is installed in the lock shell 1 through the guide column 11 to form a telescopic structure, and the lock bolt 8 is connected with the driving mechanism, so that a bolt of the lock bolt 8 can extend out of the lock shell 1 to realize locking. The driving mechanism is connected with an unlocking pull rod 6, the unlocking pull rod 6 is connected with a driving frame, and the driving frame is connected with the lock bolt 8 to form a structure capable of driving the lock bolt 8 to retract into the lock shell 1 to realize unlocking; an unlocking pull rod 15 is further arranged in the lock shell 1, one end of the unlocking pull rod 15 is fixedly connected with the unlocking pull rod 6, and the other end of the unlocking pull rod 15 is connected with an emergency unlocking device through a pull cable (not shown), so that an emergency unlocking structure of the door lock is formed.
The driving frame is a V-shaped frame 7, and the corner position of the V-shaped frame 7 is arranged on the lock shell 1 through a rotating shaft 13 to form a rotatable structure; one end of the V-shaped frame 7 is connected with the lock bolt 8 through the moving contact component 9, and the other end is pivoted and fixed with the unlocking pull rod 6. Of course, the driving frame is not limited to the V-shaped frame 7, and may have a similar shape, such as a 7-shaped frame, a Z-shaped frame, and so on.
The unlocking pull rod 15 is of a U-shaped structure (the middle is a straight rod, and two ends of the unlocking pull rod are vertically bent towards the same side), the front end of the unlocking pull rod is connected with the tail end of the unlocking pull rod 6, and the tail end of the unlocking pull rod is connected with the inhaul cable; the guide block 16 is arranged in the lock shell 1, and the unlocking pull rod 15 is clamped by the guide block 16 so as to realize guiding and positioning when the unlocking pull rod 15 moves, so that the unlocking pull rod 15 moves more smoothly and stably.
The rear part of the unlocking pull rod 6 is fixedly installed through a guide seat 14, the tail end of the unlocking pull rod 6 extends out of the rear part of the guide seat 14, a connector (not marked) with the width larger than that of a rod body of the unlocking pull rod 6 is arranged at the tail part of the unlocking pull rod 6, and the driving mechanism is fixedly connected with the connector; the front end of the unlocking pull rod 15 is provided with a U-shaped clamping groove, and the U-shaped clamping groove is clamped at the position, between the guide seat 13 and the connector, of the unlocking pull rod 6, so that a structure capable of pulling the unlocking pull rod 6 to move for unlocking is formed.
The guide post 11 is fixed in the lock shell 1 and is inserted from the tail end of the lock bolt 8; the guide post 11 is sleeved with a spring 12, the tail end of the spring 12 props against the lock shell 1, and the front end of the spring 12 props against the lock bolt 8, so that a structure for driving the lock bolt 8 to extend out of the lock shell 1 to realize locking is formed.
The driving mechanism comprises a motor 2 and a driver (also installed in the lock shell 1, not shown), and the motor 2 is controlled by the driver; a transmission shaft of the motor 2 is connected with a driving wheel 3, and the driving wheel 3 is engaged with a driven wheel 4; a pull rope 5 is fixed on the driven wheel 4, and the pull rope 5 is fixedly connected with the connector.
The emergency unlocking device comprises an unlocking support 17, a rotatable unlocking head 18 is arranged in the unlocking support 17 through an unlocking cover plate 21, and the front end of the unlocking head 18 is provided with a triangular head 19; an unlocking bolt 20 which can rotate along with the rotation of the unlocking head 18 is fixed on the unlocking head 18, and the middle position of the unlocking head 18 and the unlocking bolt 20 is fixed; the front end of the unlocking rod 20 is fixedly connected with the inhaul cable, and the tail end of the unlocking rod is connected with the unlocking support 17 through a return spring 22, so that the emergency unlocking device is reset.
Under the normal operating condition, driver driving motor 2 is rotatory, drives action wheel 3 rotatory, and action wheel 3 drives from 4 rotations of driving wheel. The driven wheel 4 rotates to roll the pull rope 5 in a groove on the driven wheel 4, so that the unlocking pull rod 6 is pulled to move, the unlocking pull rod 6 moves to drive the V-shaped frame 7 to rotate, and the V-shaped frame 7 rotates to toggle the lock bolt 8 and the movable contact assembly 9 to move towards the unlocking direction. At this point, the bolt 8 is retracted into the lock housing 1 and the spring 12 is in a compressed state. When the moving contact component 9 moves, the moving contact on the moving contact component touches and is switched on with the two unlocking fixed contacts on the fixed contact component 10, and the system door lock is informed that the system door lock is in the unlocking state.
When the motor 2 is powered off, the moving contact component 9 and the lock plunger 8 are pushed to move towards the locking direction under the action of the spring 12, the V-shaped frame 7 is pulled to rotate, the unlocking pull rod 6 is driven to move, and the resetting process is completed. At this time, the moving contact on the moving contact component 9 contacts with the two latching fixed contacts on the fixed contact component 10 to switch on the two latching fixed contacts, and informs that the system door lock is in the latching state.
Under special conditions, such as power failure and damage of a door lock motor or a driver, a triangular key and the like are required to be matched with an emergency unlocking device for unlocking, after the triangular key is inserted into a triangular head 19 of an unlocking head 18, the triangular key rotates, the unlocking head 18 rotates along with the triangular key, the unlocking head 18 rotates, and an unlocking bolt 20 is driven to rotate, so that the inhaul cable is pulled. The U-shaped unlocking pull rod 15 in the door lock is pulled by the inhaul cable to move, so that the unlocking pull rod 6 is pulled to drive the V-shaped frame 7 to rotate, the V-shaped frame 7 rotates to toggle the lock bolt 8 and the moving contact component 9 to move towards the unlocking direction, and emergency unlocking is achieved. At this time, the return spring 22 is in a stretched state.
After the triangular key rotating force is released, the door lock is reset under the action of the spring 12, and the emergency unlocking device is reset under the action of the reset spring 22.
When the first floor is in maintenance, the pit inhaul cable pulls the emergency unlocking device to rotate, so that the U-shaped unlocking pull rod 15 is pulled to drive the unlocking pull rod 6 to move, the V-shaped frame 7 is pulled to rotate, the lock bolt 8 is driven to move to unlock, and the maintenance personnel can conveniently escape.
The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Claims (7)
1. The utility model provides an elevator list lock of opening, is including lock shell, actuating mechanism, set bar, movable contact subassembly and static contact subassembly, and static contact subassembly fixed mounting has signal communication to contact in the lock body and with elevator control system, and movable contact subassembly and set bar movable fit, the set bar passes through the guide post and installs and form extending structure in the lock shell to the set bar is connected its characterized in that with actuating mechanism: the driving mechanism is connected with an unlocking pull rod, the unlocking pull rod is connected with a driving frame, and the driving frame is connected with the lock bolt to form a structure capable of driving the lock bolt to retract into the lock shell to realize unlocking; an unlocking pull rod is further arranged in the lock shell, one end of the unlocking pull rod is connected with the unlocking pull rod, and the other end of the unlocking pull rod is connected with an emergency unlocking device through a pull rope, so that an emergency unlocking structure for the door lock is formed.
2. The elevator single door lock according to claim 1, wherein: the driving frame is a V-shaped frame, and the corner position of the V-shaped frame is arranged on the lock shell through a rotating shaft to form a rotatable structure; one end of the V-shaped frame is connected with the lock bolt through the movable contact component, and the other end of the V-shaped frame is pivoted and fixed with the unlocking pull rod.
3. The elevator single door lock according to claim 1, wherein: the unlocking pull rod is of a U-shaped structure, the front end of the unlocking pull rod is connected with the tail end of the unlocking pull rod, and the tail end of the unlocking pull rod is connected with the inhaul cable; the lock shell is internally provided with a guide block, and the unlocking pull rod is clamped through the guide block so as to realize the guide positioning when the unlocking pull rod moves.
4. The elevator single door lock according to claim 3, wherein: the rear part of the unlocking pull rod is fixedly installed through a guide seat, the tail end of the unlocking pull rod extends out of the rear part of the guide seat, a connector with the width larger than that of the rod body of the unlocking pull rod is arranged at the tail part of the unlocking pull rod, and the driving mechanism is fixedly connected with the connector; the front end of the unlocking pull rod is provided with a U-shaped clamping groove, and the U-shaped clamping groove is clamped at the position, between the guide seat and the connector, of the unlocking pull rod so as to form a structure capable of pulling the unlocking pull rod to move for unlocking.
5. The elevator single door lock according to claim 1, wherein: the guide column is fixed in the lock shell and is inserted from the tail end of the lock bolt; the guide post is sleeved with a spring, the tail end of the spring is propped against the lock shell, and the front end of the spring is propped against the lock bolt, so that a structure for driving the lock bolt to extend out of the lock shell to realize locking is formed.
6. The elevator single door lock according to claim 4, wherein: the driving mechanism comprises a motor and a driver, and the motor is controlled by the driver; a transmission shaft of the motor is connected with a driving wheel, and a driven wheel is meshed with the driving wheel; a pull rope is fixed on the driven wheel and is fixedly connected with the connector.
7. The elevator single door lock according to claim 1, wherein: the emergency unlocking device comprises an unlocking support, a rotatable unlocking head is arranged in the unlocking support through an unlocking cover plate, and the front end of the unlocking head is provided with a triangular head; an unlocking bolt which can rotate along with the rotation of the unlocking head is fixed on the unlocking head, and the middle position of the unlocking head and the unlocking bolt is fixed; the front end of the unlocking bolt is fixedly connected with the inhaul cable, and the tail end of the unlocking bolt is connected with the unlocking support through a return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121926794.6U CN215924117U (en) | 2021-08-17 | 2021-08-17 | Elevator single-opening door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121926794.6U CN215924117U (en) | 2021-08-17 | 2021-08-17 | Elevator single-opening door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215924117U true CN215924117U (en) | 2022-03-01 |
Family
ID=80423352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121926794.6U Active CN215924117U (en) | 2021-08-17 | 2021-08-17 | Elevator single-opening door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215924117U (en) |
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2021
- 2021-08-17 CN CN202121926794.6U patent/CN215924117U/en active Active
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