CN218664859U

CN218664859U - Door lock device of access door of lifting cabin

Info

Publication number: CN218664859U
Application number: CN202222949500.2U
Authority: CN
Inventors: 曹利福; 郑金伍; 王勇
Original assignee: Shanghai Sinolift Co ltd
Current assignee: Shanghai Sinolift Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-21
Anticipated expiration: 2032-11-07

Abstract

The utility model relates to a wind-powered electricity generation trade high altitude safety work technical field particularly, relates to a hoist chamber access door lock device, including latch hook frame, be equipped with one big, two little round holes and first waist hole on the latch hook frame, the latch hook passes through the big round hole of second bolt and latch hook frame and is connected, the rear side one end of latch hook is connected through first bolt and the first waist hole of latch hook frame, still be equipped with the third bolt on the little round hole of latch hook frame, through spring coupling between first bolt and the third bolt, the upper end of latch hook frame adopts hem structure to restrict the turned position of latch hook, latch hook left side one end is hook-shaped. Compared with the prior art, the utility model, its advantage lies in: the structure is simple, the operation is convenient, the installation and the disassembly are convenient, the installation is firm, the locking is realized by limiting the lock hook through the edge folding structure, the middle part of the access door is folded through the door handle, so that the lock hook is separated, and the opening function is realized; the safety switch can check whether the door is closed in place.

Description

Door lock device of access door of lifting cabin

Technical Field

The utility model relates to a wind-powered electricity generation trade high altitude safety work technical field particularly, relates to a hoistway access door lock device.

Background

At present, a lifting cabin is generally used as efficient lifting equipment in the wind power industry, and due to the fact that high-altitude operation is involved, people need to consider various factors such as the actual working environment and safety of the lifting cabin while paying attention to the working efficiency of the lifting cabin. Therefore, the access door lock device has the advantages of simple structure, convenience in installation and operation, easiness in opening and closing, capability of preventing the access door lock from being opened under the action of wind power in a closed state, and capability of finding whether the door is closed in place or not, so that the operation safety of the lifting cabin is guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an installation and convenient operation, and can discover to close the door access door lock device whether target in place.

In order to achieve the purpose, the door lock device for the access door of the elevator cabin is designed, comprises a hook column arranged on a hook column frame and a lock hook matched with the hook column, and is characterized by comprising

The lock hook comprises a lock hook frame, wherein the lock hook frame is provided with a large round hole, a small round hole and a first waist hole, the lock hook is connected with the large round hole of the lock hook frame through a second bolt, one end of the rear side of the lock hook is connected with the first waist hole of the lock hook frame through a first bolt, a third bolt is further arranged on the small round hole of the lock hook frame, the first bolt is connected with the third bolt through a spring, the upper end of the lock hook frame limits the rotating position of the lock hook by adopting a folding edge structure, and one end of the left side of the lock hook is in a hook shape;

the utility model discloses still include following preferred technical scheme:

furthermore, the second bolt, the first bolt and the third bolt are respectively arranged at an included angle, and the height of the first bolt is higher than that of the second bolt and that of the third bolt.

Furthermore, the first waist hole is long-strip-shaped, and the freedom degree of movement of the first bolt is provided.

Furthermore, the door lock device is installed on one side of the access door, a rotating shaft is arranged on the other side of the access door, and folding shutters are arranged in the middle of the access door.

Further, the latch hook frame is mounted on the access door by a fastener.

Furthermore, the lock hook shaft and the lock hook shaft sleeve are sequentially arranged on the second bolt, and then the second bolt is inserted into the large round hole of the lock hook frame to be fixed.

And one end of the hook column frame is fixed on the cabin partition plate by a fastener, and the other end of the hook column frame is connected with the support column by a bolt and fixed on the fixed frame.

Furthermore, a second waist hole is further formed in the hook column frame and connected with the hook column through a bolt, and the front position and the rear position of the hook column are adjusted through the second waist hole to achieve a correct locking position.

Further, still include safety switch, safety switch passes through the safety switch support to be fixed on the window frame board, and the trigger end passes through the safety switch connecting piece to be fixed on the access door pivot.

Furthermore, a folding structure is arranged on the lock hook frame and located at the top of the protruding portion of the lock hook for limiting the lock hook.

Compared with the prior art, the utility model, its advantage lies in:

1. the door handle is arranged in the middle of the access door, and the middle of the access door is folded through the door handle, so that the latch hook is separated, and the opening function is realized;

2. in the locking state, wind power averagely acts on the whole access door, and the access door can still be locked under the action of the wind power under the condition that the access door is not folded;

3. a safety switch is arranged to check whether the door is closed in place, so that the safety of the lifting cabin is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of the installation structure of the present invention;

in the figure: 1. a latch hook; 2. a latch hook frame; 3. a spring; 4. a third bolt; 5. a latch hook shaft sleeve; 6. a latch shaft; 7. a second bolt; 8. a fifth bolt; 9. a hooking pole frame; 10. a support pillar; 11. a sixth bolt; 12. hooking the column; 13. a safety switch bracket; 14. a safety switch connection; 15. a window frame plate; 16. an access door rotating shaft; 17. an access door; 18. a fixed mount; 19. a cabin bulkhead; 20. a safety switch; 21. a first bolt; 22. a second waist hole; 23. a first waist hole; 24. a flanging structure; 25. a large circular hole; 26. a small circular hole.

Detailed Description

The specific structure of the utility model is shown in fig. 1 to 4, and comprises a lock hook frame 2, which is a support member of the whole structure and is provided with a mounting hole, two round holes with different sizes and a waist hole, wherein the lock hook frame 2 is mounted on an access door 17 through a fastener; the latch hook 1, the latch hook shaft 6 and the latch hook shaft sleeve 5 are sequentially placed on the second bolt 7, and then the second bolt 7 is inserted into the large round hole 25 of the latch hook frame 2 for fixing; the third bolt 4 and the first bolt 21 are respectively inserted into the small round hole 26 and the first waist hole 23 of the latch hook frame 2 for fixation, and two ends of the spring 3 are hooked on the third bolt 4 and the first bolt 21; the hook column 12 is placed in the left and right folded edges of the hook column frame 9, then the fifth bolt 8 is inserted into the second waist hole 22 on the folded edges for fixing, one end of the hook column frame 9 is fixed on the cabin partition 19 through a fastener, and the other end of the hook column frame is connected with the support column 10 through the sixth bolt 11 and fixed on the fixing frame 18; the safety switch 20 is fixed on the window frame plate 15 through the safety switch bracket 13, and the trigger end is fixed on the access door rotating shaft 16 through the safety switch connecting piece 14.

As shown in fig. 4, the access door lock device is installed at one side of the access door 17, the other side of the access door 17 is provided with a rotating shaft, the middle part of the access door 17 is provided with a folding louver, meanwhile, the folding louver can only be folded towards the outside of the access door, and a door handle of the access door 17 is arranged at the middle part of the access door 17; the specific using process is as follows: the access door lock device is fixed at a specified position of a lifting cabin, when the door is closed, the lock hook 1 starts to slowly approach the hook column 12, along with the change of the position of the access door 17, the lock hook 1 abuts against the hook column 12, the lock hook 1 is slowly lifted upwards to drive the first bolt 21 to slide in the first waist hole 23, when the lock hook 1 touches the hem structure 24 on the lock hook frame 2, the lock hook 1 is not lifted upwards, so that a radian is formed to be hooked on the hook column 12, and the hem structure 24 can be manufactured into a whole with the lock hook frame 2 or into a detachable shape, so that the lock hook frame 2 can be conveniently connected and assembled; when the door is closed, the access door rotating shaft 16 on the access door 17 rotates, so that the safety switch connecting piece 14 fixed on the access door rotating shaft 16 rotates, then the safety switch connecting piece 14 drives the shaft at the head of the safety switch 20 to rotate, when the door is closed in place, the contact is closed, and the lifting cabin can operate; in a locking state, wind power acts on the access door 17 from the outer side of the access door 17, due to the limiting effect of the edge folding structure 24, the lock hook 1 cannot lift upwards, and the folding shutter can only be folded towards the outer side, so that in the locking state, the access door cannot be blown open by the wind power, and can be kept locked; the door handle of the access door 17 is pulled to open the door, the door position changes, the lock hook 1 slides out of the hook column 12 under the driving of the access door 17, the safety switch connecting piece 14 on the access door rotating shaft 16 drives the shaft at the head of the safety switch 20 to rotate, the contact of the safety switch 20 is disconnected, and the lifting cabin cannot operate.

The above, only for the concrete implementation of this utility model, but the scope of protection of this utility model is not limited to this, and any person skilled in this technical field is in the technical scope of this utility model discloses, according to the technical scheme of this utility model and novel design add in equal replacement or change, all should be covered in the scope of protection of this utility model.

Claims

1. A door lock device of a lifting cabin access door comprises a hook column arranged on a hook column frame and a lock hook matched with the hook column, and is characterized by comprising

The lock hook frame is provided with a big round hole, a small round hole and a first waist hole, the lock hook is connected with the big round hole of the lock hook frame through a second bolt, one end of the rear side of the lock hook is connected with the first waist hole of the lock hook frame through a first bolt, a third bolt is further arranged on the small round hole of the lock hook frame, the first bolt is connected with the third bolt through a spring, the upper end of the lock hook frame limits the rotating position of the lock hook through a folding structure, and one end of the left side of the lock hook is in a hook shape.

2. The door lock device for the access door of the elevator cabin according to claim 1, wherein the second bolt, the first bolt and the third bolt are positioned at an angle, respectively, and the first bolt is higher than the second bolt and the third bolt.

3. A hoistway access door lock apparatus as claimed in claim 1, wherein said first kidney hole is elongated to provide freedom of movement of said first bolt.

4. The door lock device for the access door of the elevator cabin according to claim 1, wherein the door lock device is installed at one side of the access door, the other side of the access door is provided with a rotating shaft, and the middle of the access door is provided with a folding louver.

5. A hoistway access door lock apparatus as claimed in claim 4, wherein said latch hook bracket is mounted to the access door by fasteners.

6. The door lock device for the access door of the elevator cabin as claimed in claim 1, wherein the latch hook, the latch hook shaft and the latch hook bushing are sequentially installed on the second bolt, and then the second bolt is inserted into the large round hole of the latch hook frame to be fixed.

7. The door lock device for the access door of the elevator cabin according to claim 1, further comprising a hook post frame, wherein one end of the hook post frame is fixed to the cabin partition by a fastener, and the other end of the hook post frame is connected to the supporting post by a bolt and fixed to the fixing frame.

8. The door lock device for the access door of the elevator cabin as claimed in claim 7, wherein the hooking rod frame is further provided with a second waist hole, the second waist hole is connected with the hooking rod through a bolt, and the second waist hole adjusts the front and rear positions of the hooking rod to achieve a correct locking position.

9. The door lock device for the access door of the elevator cabin according to any one of claims 1 to 8, further comprising a safety switch fixed to the sash plate through a safety switch bracket, and the trigger terminal fixed to the access door rotating shaft through a safety switch connecting member.

10. The door lock device for the access door of the elevator cabin, according to claim 1, wherein the latch hook frame is provided with a hem structure, and the hem structure is located at the top of the protruding portion of the latch hook for limiting the latch hook.