Elevator door lock protective cover

By designing the elevator door lock protective cover with screw pin structure, the problems of complex installation, difficulty in disassembly and difficult repair in the existing technology are solved, and convenient repair and stable fixation are achieved.

CN222907246UActive Publication Date: 2025-05-27SUZHOU NFTESL EXPRESS ELEVATOR CO LTD
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Patent Information

Application Number
CN202421513175.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-05-27
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing elevator door lock protective cover is complex to install and difficult to disassemble. The protective cover needs to be removed during repair, which increases the difficulty and limitations of repair work.

Method used

An elevator door lock protective cover is designed, adopting a screw pin structure, and the protective cover cover can be opened by rotating the screw pin, which is convenient for repair, and the fixing structure is stable to prevent improper opening.

Benefits of technology

The repair of elevator door locks is realized without removing the protective cover, saving repair time, stable fixed structure, and avoiding the risk of the protective cover being opened unintentionally.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222907246U_ABST
    Figure CN222907246U_ABST
Patent Text Reader

Abstract

The utility model discloses an elevator door lock protective cover which comprises a protective cover body, the lower surface of the protective cover body is fixedly connected with a fixing block, the side surface of the fixing block is fixedly connected with a fixed shaft, the side surface of the fixed shaft is rotatably connected with a rotating shaft, and the side surface of the rotating shaft is fixedly connected with a protective cover cover plate. A door knife groove is formed in the side surface of the protective cover plate, a second lock hook hole is formed in the side surface of the protective cover plate, a buckle is fixedly connected to the upper surface of the protective cover plate, a fixing pin is slidably connected to the inner surface of the buckle, and a screw pin is in threaded connection with the interior of the fixing pin. The side surface of the screw pin is fixedly connected with a rotating block, and the side surface of the rotating block is rotationally connected with a clamping groove block. By means of the components, the elevator door lock body can be protected in the protective cover, meanwhile, when repair is needed, the protective cover plate can be opened only by rotating the screw pin, and use is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an elevator door lock protective cover. Background Art

[0002] Existing elevator door lock protective covers are all made of solid materials and are fixed on the elevator to protect the elevator door lock from fingers or foreign objects from entering and damaging the elevator door lock mechanism. However, the installation is complex and it is not conducive to disassembly after fixation. If the door lock structure needs to be repaired, the protective cover needs to be removed, which increases the difficulty of the repair work. For example, the elevator door lock protective cover and elevator disclosed in a Chinese patent, with the application number CN201921767135.5, uses solid materials to protect the elevator door lock from damage, and at the same time is provided with a series of slots so that the elevator is not affected by the protective cover during operation. However, the installation structure is complex and part of the door lock structure is fixed inside the protective cover. When the door lock structure needs to be repaired, the protective cover and the door lock need to be removed, increasing the difficulty of the repair work and having limitations in use. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide an elevator door lock protective cover, which can protect the elevator door lock structure inside the protective cover, prevent foreign objects from affecting the use of the elevator door lock, and at the same time does not affect the normal operation of the elevator door lock. When the door lock is damaged and needs to be repaired, the protective cover can be opened directly without removing the protective cover, and the internal components of the protective cover can be repaired directly, saving repair time. The fixing structure is stable and the protective cover will not be easily opened. The fixing pin is provided with a special groove and can only be opened with a working tool, avoiding the protective cover being accidentally opened by other people.

[0004] The present utility model also provides an elevator door lock protective cover having the above-mentioned one. An elevator door lock protective cover includes: a protective cover main body. A first rope hole is provided on the side surface of the protective cover main body. A first lock hook hole is provided on the side surface of the protective cover main body. A second rope hole is provided on the side surface of the protective cover main body at one end away from the first rope hole. A first screw hole is provided on the rear surface of the protective cover main body. A plate hole is provided on the rear surface of the protective cover main body. A second screw hole is provided on the lower surface of the protective cover main body. A fixing block is fixedly connected to the lower surface of the protective cover main body. A fixed shaft is fixedly connected to the side surface of the fixing block. A rotating shaft is rotatably connected to the side surface of the fixed shaft. A protective cover cover plate is fixedly connected to the side surface of the rotating shaft. A door knife groove is provided on the side surface of the protective cover cover plate. A second lock hook hole is provided on the side surface of the protective cover cover plate. A buckle is fixedly connected to the upper surface of the protective cover cover plate. A fixing pin is slidably connected to the inner surface of the buckle. A screw pin is threadedly connected to the inside of the fixing pin. A rotating block is fixedly connected to the side surface of the screw pin. A clamping groove block is rotatably connected to the side surface of the rotating block. Through the above components, the elevator door lock main body can be protected inside the protective cover, and at the same time, when repair is needed, only by rotating the screw pin, the protective cover cover plate can be opened for repair, which is convenient to use.

[0005] According to an elevator door lock protective cover of the present utility model, there are two fixing blocks and they are symmetrically distributed, and the fixed shaft is located between the two fixing blocks. Through the above components, it is convenient to rotate the rotating shaft to rotate the protective cover cover plate to open the protective cover.

[0006] According to an elevator door lock protective cover of the present utility model, there are two first screw holes and they are symmetrically distributed, and a first screw is threadedly connected to the inside of the first screw hole. Through the above components, the static lock hook plate, the protective cover and the elevator can be fixed together with screws.

[0007] According to an elevator door lock protective cover of the present utility model, there are two second screw holes and they are symmetrically distributed, and a second screw is threadedly connected to the inside of the second screw hole. Through the above components, the elevator plate can be inserted into the protective cover through the plate hole, and the static lock hook plate can be fixed on the elevator plate with the second screw.

[0008] According to an elevator door lock protective cover of the present utility model, the fixing pin is slidably connected to the clamping groove block, and the upper surface of the protective cover main body is fixedly connected to the clamping groove block. Through the above components, the buckle can be inserted into the clamping groove block and fixed with the fixing pin to realize the fixation of the protective cover main body and the protective cover cover plate.

[0009] According to an elevator door lock protective cover of the present utility model, the protective cover main body is closely attached to the protective cover cover plate during work, and the first lock hook hole is closely attached to the second lock hook hole during work. Through the above components, the protective cover can be closed during work so that the moving lock hook can move in the lock hook hole.

[0010] A protective cover for an elevator door lock according to the present utility model, the first screw is fixedly connected to a static lock hook plate during operation, and the first screw is fixedly connected to an elevator during operation. The second screw is fixedly connected to the static lock hook plate during operation, and the second screw is fixedly connected to the elevator during operation. Through the above components, the static lock hook plate can be fixed to the elevator.

[0011] A protective cover for an elevator door lock according to the present utility model, a moving lock hook is slidably connected inside the first lock hook hole, and the moving lock hook is slidably connected inside the second lock hook hole. Through the above components, the moving lock hook can move in the lock hook hole.

[0012] A protective cover for an elevator door lock according to the present utility model, a door knife is slidably connected inside the door knife groove, a rope is slidably connected inside the first rope hole, and the rope is slidably connected inside the second rope hole. Through the above components, the door knife can move in the door knife groove, and at the same time, the rope can slide inside the protective cover. Description of the Drawings

[0013] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0014] Figure 1 It is an overall closed structure diagram of the protective cover for an elevator door lock of the present utility model;

[0015] Figure 2 It is an overall open structure diagram of the protective cover for an elevator door lock of the present utility model;

[0016] Figure 3 It is a structure diagram of fixing an elevator door lock of the protective cover for an elevator door lock of the present utility model;

[0017] Figure 4 It is an overall structure diagram of a buckle and a card slot of the protective cover for an elevator door lock of the present utility model;

[0018] Figure 5 It is a cross-sectional structure diagram of a buckle and a card slot of the protective cover for an elevator door lock of the present utility model;

[0019] Figure 6 It is a cross-sectional structure diagram of a fixing pin and a fixed shaft of the protective cover for an elevator door lock of the present utility model.

[0020] Legend Explanation:

[0021] 1. Protective cover body; 2. First rope hole; 3. First hook hole; 4. Card slot block; 5. Protective cover plate; 6. Door knife groove; 7. Second hook hole; 8. Buckle; 9. Second rope hole; 10. First screw hole; 11. Plate hole; 12. Second screw hole; 13. Fixed block; 14. Rotating shaft; 15. First screw; 16. Second screw; 17. Pin; 18. Rotating block; 19. Fixed pin; 20. Fixed shaft. Detailed implementation manners

[0022] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be construed as a limitation on the protection scope of the present invention.

[0023] Refer to Figure 1-6, in an embodiment of the present utility model, an elevator door lock protection cover includes: a protection cover main body 1. A first rope hole 2 is provided on the side surface of the protection cover main body 1. A first lock hook hole 3 is in close fit with a second lock hook hole 7 during operation, facilitating the rope to penetrate into the protection cover and move inside the protection cover. A first lock hook hole 3 is provided on the side surface of the protection cover main body 1, which is combined with the second lock hook hole 7 to facilitate the movement of the moving lock hook inside the protection cover. A second rope hole 9 is provided on the side surface of the protection cover main body 1 away from the first rope hole 2, facilitating the rope to penetrate into the protection cover and move inside the protection cover. A first screw hole 10 is provided on the rear surface of the protection cover main body 1, and the protection cover main body 1 can be fixed by a first screw 15. A plate hole 11 is provided on the rear surface of the protection cover main body 1, enabling the elevator plate to extend into the protection cover to fix the static lock hook plate. A second screw hole 12 is provided on the lower surface of the protection cover main body 1, facilitating the fixing of the protection cover main body 1 by a second screw 16; Two fixing blocks 13 are fixedly connected to the lower surface of the protection cover main body 1 and are symmetrically distributed. A fixed shaft 20 is located between the two fixing blocks 13 to fix the fixed shaft 20. A fixed shaft 20 is fixedly connected to the side surface of the fixing block 13, enabling the rotating shaft 14 to drive the protection cover plate 5 to rotate. The side surface of the fixed shaft 20 is rotatably connected to the rotating shaft 14 to drive the protection cover plate 5 to rotate. The side surface of the rotating shaft 14 is fixedly connected to the protection cover plate 5. The protection cover main body 1 is in close fit with the protection cover plate 5 during operation and can be opened to facilitate the repair of the internal structure of the protection cover. A door knife groove 6 is provided on the side surface of the protection cover plate 5, enabling the door knife to move inside the protection cover. A second lock hook hole 7 is provided on the side surface of the protection cover plate 5, which is combined with the first lock hook hole 3 to enable the moving lock hook to move inside the protection cover. A buckle 8 is fixedly connected to the upper surface of the protection cover plate 5, which can be snapped into the slot block 4 to fix the protection cover main body 1 and the protection cover plate 5. A fixing pin 19 is slidably connected to the inner surface of the buckle 8, and the fixing pin 19 is slidably connected to the slot block 4 to fix the buckle 8. A screw pin 17 is threadedly connected to the inside of the fixing pin 19, and a special groove is provided and can only be rotated by an operating tool. After rotation, the fixing pin 19 fixes the buckle 8. A rotating block 18 is fixedly connected to the side surface of the screw pin 17 to prevent the screw pin 17 from rotating and disengaging from the slot block 4. The side surface of the rotating block 18 is rotatably connected to the slot block 4, and the upper surface of the protection cover main body 1 is fixedly connected to the slot block 4, which can be combined with the buckle 8 to fix the protection cover main body 1 and the protection cover plate 5.

[0024] There are two first screw holes 10 and they are symmetrically distributed. A first screw 15 is threadedly connected to the inside of the first screw hole 10 to fix the static lock hook plate to the elevator and the protection cover main body 1. There are two second screw holes 12 and they are symmetrically distributed. A second screw 16 is threadedly connected to the inside of the second screw hole 12 to fix the static lock hook plate to the elevator and the protection cover main body 1.

[0025] The first screw 15 is fixedly connected to the static locking hook plate during operation, which can fix the movable locking hook. The first screw 15 is fixedly connected to the elevator during operation. The second screw 16 is fixedly connected to the static locking hook plate during operation, and the second screw 16 is fixedly connected to the elevator during operation. The movable locking hook is slidably connected inside the first locking hook hole 3. After being fixed by the static locking hook plate, the elevator door can be closed. The movable locking hook is slidably connected inside the second locking hook hole 7. The door knife is slidably connected inside the door knife groove 6. Rotating the emergency locking hole can lift the movable locking hook to open the elevator door. The rope is slidably connected inside the first rope hole 2. In combination with elevator components, it can control the opening and closing of the elevator door. The rope is slidably connected inside the second rope hole 9.

[0026] Working principle: Place the main body 1 of the protective cover in a suitable position. Pass the first screw 15 through the first screw hole 10 to fix the static locking hook plate, the main body 1 of the protective cover and the elevator together. Similarly, use the second screw 16 to fix the static locking hook plate, the main body 1 of the protective cover and the elevator. Rotate the protective cover plate 5 so that the buckle 8 is inserted into the slot block 4. Use a screwdriver to rotate the pin 17 to drive the fixing pin 19 through the buckle 8 to fix the buckle 8 in the slot block 4, so as to fix the main body 1 of the protective cover and the protective cover plate 5. When it is necessary to repair the elevator door lock, the pin 17 can be rotated to open the protective cover plate 5 for repair.

[0027] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art to which the present invention pertains, various changes can be made without departing from the purpose of the present invention.

Claims

1. An elevator door lock protective cover, characterized in that: include: A protective cover body (1), wherein a first rope hole (2) is arranged on a side surface of the protective cover body (1), a first lock hook hole (3) is arranged on a side surface of the protective cover body (1), a second rope hole (9) is arranged on a side surface of the protective cover body (1) at an end away from the first rope hole (2), a first screw hole (10) is arranged on a rear surface of the protective cover body (1), a plate hole (11) is arranged on the rear surface of the protective cover body (1), and a second screw hole (12) is arranged on a lower surface of the protective cover body (1); The lower surface of the protective cover body (1) is fixedly connected to a fixed block (13), the side surface of the fixed block (13) is fixedly connected to a fixed shaft (20), the side surface of the fixed shaft (20) is rotatably connected to a rotating shaft (14), the side surface of the rotating shaft (14) is fixedly connected to a protective cover plate (5), the side surface of the protective cover plate (5) is provided with a door knife groove (6), the side surface of the protective cover plate (5) is provided with a second lock hook hole (7), the upper surface of the protective cover plate (5) is fixedly connected to a buckle (8), the inner surface of the buckle (8) is slidably connected to a fixing pin (19), the internal thread of the fixing pin (19) is connected to a screw pin (17), the side surface of the screw pin (17) is fixedly connected to a rotating block (18), and the side surface of the rotating block (18) is rotatably connected to a slot block (4).

2. The elevator door lock protective cover according to claim 1, characterized in that: There are two fixed blocks (13) which are symmetrically distributed, and the fixed axis (20) is located between the two fixed blocks (13).

3. The elevator door lock protective cover according to claim 1, characterized in that: There are two first screw holes (10) which are symmetrically distributed, and the internal threads of the first screw holes (10) are connected with first screws (15).

4. The elevator door lock protective cover according to claim 3, characterized in that: There are two second screw holes (12) which are symmetrically distributed, and the internal threads of the second screw holes (12) are connected with second screws (16).

5. The elevator door lock protective cover according to claim 1, characterized in that: The fixing pin (19) is slidably connected to the slot block (4), and the upper surface of the protective cover body (1) is fixedly connected to the slot block (4).

6. The elevator door lock protective cover according to claim 1, characterized in that: The protective cover body (1) is tightly fitted with the protective cover cover plate (5) during operation, and the first locking hook hole (3) is tightly fitted with the second locking hook hole (7) during operation.

7. The elevator door lock protective cover according to claim 4, characterized in that: The first screw (15) is fixedly connected to the static locking hook plate during operation, the first screw (15) is fixedly connected to the elevator during operation, the second screw (16) is fixedly connected to the static locking hook plate during operation, and the second screw (16) is fixedly connected to the elevator during operation.

8. The elevator door lock protective cover according to claim 1, characterized in that: The interior of the first lock hook hole (3) is slidably connected to a dynamic lock hook, and the interior of the second lock hook hole (7) is slidably connected to the dynamic lock hook.

9. The elevator door lock protective cover according to claim 1, characterized in that: The door knife groove (6) is slidably connected to the inside of the door knife groove (6), the first rope hole (2) is slidably connected to the inside of the rope, and the second rope hole (9) is slidably connected to the inside of the rope.

Citation Information

Patent Citations

  • Elevator door lock protective cover and elevator

    CN211169449U