CN218201625U

CN218201625U - Lock hook structure for safely locking hall door

Info

Publication number: CN218201625U
Application number: CN202222471907.9U
Authority: CN
Inventors: 杨恵强; 孙叶琦
Original assignee: Huzhou Jingjin Machinery Co ltd
Current assignee: Huzhou Jingjin Machinery Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-03
Anticipated expiration: 2032-09-19

Abstract

The utility model provides a hall door safety lock's latch hook structure, latch hook structure have latch hook subassembly, hasp board and safety circuit device, latch hook subassembly and hasp board are fixed respectively and are being constructed to the door plant of running from opposite directions, and the latch hook subassembly is connected with the relative locking of hasp board to keep the lock state of hall door, have the unlocking piece on the latch hook subassembly, drive the locking state of unlocking piece and unblock latch hook subassembly and hasp board in step when the sedan-chair door is opened the door, the safety circuit device has circuit switch and contact pin subassembly and fixes respectively on latch hook subassembly and hasp board, and the contact pin subassembly inserts circuit switch and closed safety circuit when the lock state, breaks off safety circuit when the state of opening the door. The lock hook structure has good safety, and meanwhile, the safety loop can sense whether locking is in place or not, and the pin inserting assembly is not in the loop switch, so that safety warning can be generated and an elevator system can be helped to judge whether a door is closed in place or not.

Description

Lock hook structure for safe locking of hall door

Technical Field

The utility model relates to a safety device of hoistway door specifically is a latch hook structure of hoistway door safety locking.

Background

The landing door of the elevator is a safety isolation device installed in each stopping layer of the elevator, which isolates the well environment of the elevator and the internal environment of the building, and is opened when the elevator car works to provide a safety passage for entering and exiting the elevator.

Disclosure of Invention

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a latch hook structure of hall door safety locking.

The utility model provides a technical scheme that above-mentioned problem adopted is: the car door locking structure comprises a lock hook assembly, a lock catch plate and a safety loop device, wherein the lock hook assembly and the lock catch plate are respectively fixed on a split door plate structure, the lock hook assembly and the lock catch plate are relatively locked and connected and keep a locking state of a hall door, an unlocking piece is arranged on the lock hook assembly, the unlocking piece is synchronously driven and unlocks the locking state of the lock hook assembly and the lock catch plate when the car door is opened, the safety loop device is provided with a loop switch and a contact pin assembly which are respectively fixed on the lock hook assembly and the lock catch plate, the contact pin assembly is inserted into a loop switch and closes a safety loop when in a locking state, and the safety loop is disconnected when the car door is opened. The lock hook structure is physically locked with the lock catch plate through the lock hook assembly, in a normal state in a locking state, the car door needing to be actively operated is opened to be driven, the safety is good, meanwhile, the safety loop can sense whether locking is in place, the pin assembly is not in the loop switch, safety warning can be generated, and an elevator system can be helped to judge whether the door is closed in place.

Furthermore, the locking hook assembly comprises a fixed bottom plate and a locking hook piece, the fixed bottom plate is fixed on the door panel, the locking hook piece is connected to the fixed bottom plate through a rotating shaft, a coil spring is sleeved on the rotating shaft and pulls the fixed bottom plate and the locking hook piece to maintain the locking hook assembly in a locking state, the unlocking piece is fixed to the upper portion of the locking hook piece and comprises an unlocking wheel and a lever shaft, the lever shaft is connected to the locking hook piece, the unlocking wheel is rotatably connected to the lever shaft, and the unlocking wheel is in rolling contact with an unlocking rod on the car door. The lock hook piece can rotate, the lock state is kept through the elastic force of the coil spring in a normal state, the lock hook piece is driven to rotate through driving the poking rod shaft, the unlock state is achieved, the unlocking wheel can rotate, and the resistance to poking can be reduced.

Furthermore, the front end shaping of latch hook spare has the connecting plate, fixedly connected with contact pin subassembly on the connecting plate, is certain angle on the contact pin subassembly and sets up with return circuit switch relatively, and latch hook spare rotates the unblock in-process, and the contact pin subassembly breaks away from return circuit switch simultaneously. The connecting plate connects the contact pin subassembly forward, effectively improves the switch-on efficiency of contact pin subassembly, and job stabilization is reliable.

Furthermore, the fixed bottom plate and the locking hook piece are both provided with positioning flaps which are relatively raised, and the positioning flaps on the fixed bottom plate block the positioning flaps of the locking hook piece and block the tendency of the locking hook piece to be rolled by the coil spring. The positioning flap has the function of maintaining the stability of the hook piece in the normal locking state and keeping the locking state reliable.

Furthermore, the lock catch plate comprises a lock catch body and a switch fixing frame, the lock catch body and the switch fixing frame are integrally formed, the lock catch body transversely extends towards the lock hook assembly, a lock hole is formed in the lock catch body, the switch fixing frame is fixed on the door plate structure, and the upper portion of the switch fixing frame is fixedly connected with a loop switch. The lock catch body and the switch fixing frame are integrally formed, so that the installation and the positioning are convenient, and the locking process is more efficient.

Compared with the prior art, the utility model, have following advantage and effect: the lock hook structure of the elevator can effectively improve the safety of hall door locking, the lock state in the normal state of the lock hook structure needs to be opened by the driving of the car door, the elevator has good safety, and meanwhile, the elevator safety loop structure has the advantages that when the safety loop is disconnected, the working state of the elevator can be judged, the corresponding warning can be generated, in the normal working process of the elevator, the judgment efficiency of whether the hall door is safely locked is improved, the reliability of the structure is improved, and the elevator can stably work for a long time.

Drawings

Fig. 1 is a schematic structural view of the whole.

Fig. 2 is a schematic top view.

In the figure: 1. the locking mechanism comprises a locking hook assembly, 2, a locking plate, 3, a safety loop device, 4, an unlocking piece, 5, a loop switch, 6, a pin assembly, 7, a fixed base plate, 8, a locking hook piece, 9, a coil spring, 10, an unlocking wheel, 11, a lever shaft, 12, a connecting plate, 13, a positioning flap, 14, a locking body, 15 and a switch fixing frame.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

The utility model provides a lock hook structure of hall door safety locking, lock hook structure has lock hook component 1, hasp board 2 and safety circuit device 3, lock hook component 1 and hasp board 2 are fixed respectively on the door plant structure that runs from opposite directions, and lock hook component 1 is connected with hasp board 2 relative locking to keep the lock state of hall door, have unlocking piece 4 on the lock hook component 1, drive unlocking piece 4 in step and unblock lock hook component 1 and the lock state of hasp board 2 when the sedan-chair door opens the door, safety circuit device 3 has return circuit switch 5 and contact pin subassembly 6 and fixes respectively on lock hook component 1 and hasp board 2, and contact pin subassembly 6 inserts return circuit switch 5 and closed safety circuit when the lock state, breaks off safety circuit when the state of opening the door.

The lock hook assembly 1 comprises a fixed base plate 7 and a lock hook piece 8, the fixed base plate 7 is fixed on a door plate, the lock hook piece 8 is connected to the fixed base plate 7 through a rotating shaft, a coil spring 9 is sleeved on the rotating shaft, the coil spring 9 pulls the fixed base plate 7 and the lock hook piece 8 and maintains the lock hook assembly 1 in a locking posture, the unlocking piece 4 is fixed on the upper portion of the lock hook piece 8, the unlocking piece 4 comprises an unlocking wheel 10 and a lever shaft 11, the lever shaft 11 is connected to the lock hook piece 8, the unlocking wheel 10 is rotatably connected to the lever shaft 11, and the unlocking wheel 10 is in rolling contact with an unlocking rod on the car door.

The front end shaping of latch hook spare 8 has connecting plate 12, and fixedly connected with contact pin subassembly 6 on connecting plate 12 is certain angle and return circuit switch 5 relative setting on the contact pin subassembly 6, and latch hook spare 8 rotates the unblock in-process, and contact pin subassembly 6 breaks away from return circuit switch 5 simultaneously.

The fixed base plate 7 and the latch hook member 8 are both provided with relatively raised positioning lobes 13, the positioning lobes 13 on the fixed base plate 7 blocking the positioning lobes 13 of the latch hook member 8 and blocking the tendency of the latch hook member 8 to be rolled by the coil spring 9.

The lock catch plate 2 comprises a lock catch body 14 and a switch fixing frame 15, the lock catch body 14 and the switch fixing frame 15 are integrally formed, the lock catch body 14 transversely extends towards the lock hook assembly 1, a lock hole is formed in the lock catch body 14, the switch fixing frame 15 is fixed on a door plate structure, and the upper portion of the switch fixing frame is fixedly connected with the loop switch 5.

It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a hook structure that locks is put in place to room door safety which characterized in that: the lock hook structure is provided with a lock hook component (1), a lock catch plate (2) and a safety loop device (3), the lock hook component (1) and the lock catch plate (2) are fixed on a door plate structure which is split oppositely, the lock hook component (1) and the lock catch plate (2) are connected in a relatively locking mode, the locking state of a hall door is kept, an unlocking piece (4) is arranged on the lock hook component (1), the unlocking piece (4) is synchronously driven when the car door is opened, the locking state of the lock hook component (1) and the lock catch plate (2) is unlocked, the safety loop device (3) is provided with a loop switch (5) and a contact pin component (6) and is fixed on the lock hook component (1) and the lock catch plate (2) respectively, the contact pin component (6) is inserted into the loop switch (5) in the locking state and closes the safety loop, and the safety loop is disconnected in the door opening state.

2. The hook structure for hall door security lock according to claim 1, wherein: the car door locking mechanism is characterized in that the lock hook assembly (1) comprises a fixed bottom plate (7) and a lock hook piece (8), the fixed bottom plate (7) is fixed on a door plate, the lock hook piece (8) is connected to the fixed bottom plate (7) through a rotating shaft, a coil spring (9) is sleeved on the rotating shaft, the coil spring (9) pulls the fixed bottom plate (7) and the lock hook piece (8) and maintains the lock hook assembly (1) in a locking posture, the unlocking piece (4) is fixed on the upper portion of the lock hook piece (8), the unlocking piece (4) comprises an unlocking wheel (10) and a lever shaft (11), the lever shaft (11) is connected to the lock hook piece (8), the unlocking wheel (10) is rotatably connected to the lever shaft (11), and the unlocking wheel (10) is in rolling contact with an unlocking rod on the car door.

3. The hook structure of hall door lock according to claim 2, wherein: the front end shaping of latch hook spare (8) has connecting plate (12), fixedly connected with contact pin subassembly (6) on connecting plate (12), is certain angle and return circuit switch (5) relative setting on contact pin subassembly (6), and latch hook spare (8) rotate the unblock in-process, and contact pin subassembly (6) break away from return circuit switch (5) simultaneously.

4. The hook structure of hall door lock according to claim 2, wherein: the fixed base plate (7) and the locking hook piece (8) are provided with positioning flaps (13) which are relatively raised, and the positioning flaps (13) on the fixed base plate (7) block the positioning flaps (13) of the locking hook piece (8) and block the tendency that the locking hook piece (8) is rolled by the coil spring (9).

5. The hook structure of hall door safety lock according to claim 1, characterized in that: the lock catch plate (2) comprises a lock catch body (14) and a switch fixing frame (15), the lock catch body (14) and the switch fixing frame (15) are integrally formed, the lock catch body (14) transversely extends towards the lock hook assembly (1), a lock hole is formed in the lock catch body (14), the switch fixing frame (15) is fixed on a door plate structure, and the upper portion of the switch fixing frame is fixedly connected with a loop switch (5).