Electromagnetic lock of equipment safety door

By using a limit rod and tension spring design, combined with an adjustable mounting plate, the electromagnetic lock for the equipment safety door can be quickly disassembled and installed, solving the problem of complex installation in existing technologies and improving maintenance efficiency and ease of use of the equipment.

CN223781274UActive Publication Date: 2026-01-09HUIZHOU MEIJUN ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520064869.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-09
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The existing electromagnetic locks for security doors have a complex installation structure, and the disassembly and installation process is cumbersome, requires specialized tools, and is time-consuming, which affects the normal operation of the equipment.

Method used

The design incorporates a limit rod and tension spring, and utilizes sliding and threaded connections to enable quick disassembly and installation of the electromagnetic lock head. Combined with an adjustable mounting plate, it adapts to the installation requirements of security doors for various equipment.

Benefits of technology

It simplifies the disassembly and installation process of the electromagnetic lock head, improves maintenance efficiency and overall equipment availability, ensures the stability and accuracy of the lock head's operation, and reduces installation difficulty.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an equipment safety door electromagnetic lock, which relates to the technical field of equipment safety doors and comprises a shell and a shell cover, a fixed mounting plate is arranged on the side surface of the shell, and a mounting hole is formed in the surface of the fixed mounting plate; according to the electromagnetic lock, the limiting rod is pulled to retract backwards and slides out of the limiting hole formed in the connecting disc at the same time, at the moment, limiting on the electromagnetic lock head is relieved, the electromagnetic lock head can be disassembled by pulling the electromagnetic lock head, the tension spring is compressed while the limiting rod is pulled, and when the limiting rod is loosened, the electromagnetic lock head can be disassembled under the action of the tension spring. When the electromagnetic lock head is quickly disassembled and assembled, the sliding connection between the connecting disc and the mounting disc and the matching of the clamping block and the clamping groove ensure the stability and accuracy of the action of the lock head, so that the maintenance and repair work of the electromagnetic lock head is facilitated; and the lock head can be quickly disassembled and assembled without a complicated tool, so that the overall maintenance efficiency and usability of equipment are improved.
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Description

Technical Field

[0001] This utility model relates to the field of equipment safety door technology, and in particular to an electromagnetic lock for equipment safety doors. Background Technology

[0002] With the continuous development of modern industry and technology, the automation level and complexity of various equipment are increasing day by day. As an important component to ensure the safety of the internal structure of equipment and the safety of operators, the performance of the locks on equipment safety doors directly affects the overall safety and ease of use of the equipment.

[0003] In the existing technology, the installation structure of the electromagnetic lock head of the equipment safety door electromagnetic lock is complicated, and most of them use a multi-set bolt installation method. When maintenance or repair is carried out, the disassembly and installation process is cumbersome and often requires the use of special tools. This is not only inefficient, but also consumes a lot of time, thus affecting the normal operation of the equipment, and therefore improvement is needed. Utility Model Content

[0004] This utility model mainly provides an electromagnetic lock for a safety door of an equipment to solve the technical problems mentioned in the background section;

[0005] To achieve the above objectives, this utility model adopts the following technical solution: an electromagnetic lock for a safety door, comprising a housing and a cover, a mounting plate on the side of the housing, mounting holes on the surface of the mounting plate, a lithium battery for energy storage inside the housing, an electromagnetic lock controller inside the housing, a lock head control telescopic rod on the side of the electromagnetic lock controller, a mounting plate fixedly connected to one end of the lock head control telescopic rod, an electromagnetic lock head slidably connected inside the housing, a connecting plate fixedly mounted to one end of the electromagnetic lock head, a slot on the inner side of the mounting plate, a locking block fixedly mounted on the surface of the connecting plate, a U-shaped plate fixedly mounted on the surface of the mounting plate, a limiting rod slidably connected inside the U-shaped plate, a limiting plate fixedly mounted on the surface of the limiting rod, a tension spring sleeved on the surface of the limiting rod, and a limiting hole on the surface of the connecting plate.

[0006] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0007] 1. In this utility model, by pulling the limiting rod to retract it, the limiting rod will slide out from the limiting hole in the connecting plate. At this time, the limitation on the electromagnetic lock head is released, and the electromagnetic lock head can be disassembled by pulling it. When the limiting rod is pulled, the tension spring is compressed. When the limiting rod is released, it will automatically insert into the limiting hole under the action of the tension spring, thereby achieving quick disassembly. When installing the electromagnetic lock head, the sliding connection between the connecting plate and the mounting plate, as well as the cooperation between the locking block and the locking groove, ensure the stability and accuracy of the lock head's movement, thus facilitating the maintenance and repair of the electromagnetic lock head. The disassembly and installation of the lock head can be completed quickly without complicated tools, improving the overall maintenance efficiency and availability of the equipment.

[0008] 2. In this utility model, the sliding block on the side of the fixed mounting plate is slidably connected to the sliding groove on the side of the housing, and the adjusting rod inside the fixed plate is threadedly connected to the threaded hole on the side of the housing. This allows the position of the fixed mounting plate to be finely adjusted according to the specific structure and installation requirements of the equipment safety door when installing the electromagnetic lock, thereby improving the installation adaptability of the electromagnetic lock and ensuring that the electromagnetic lock can be accurately installed and work stably on various equipment safety doors. Attached Figure Description

[0009] Figure 1 A perspective view of an electromagnetic lock for a safety door of an equipment is provided for this utility model;

[0010] Figure 2 A cross-sectional view of an electromagnetic lock for a safety door of an equipment is provided for this utility model;

[0011] Figure 3 This utility model provides a schematic diagram of the lock head control telescopic rod and partial structure of the electromagnetic lock head of an equipment safety door electromagnetic lock;

[0012] Figure 4 An exploded view of the mounting plate for a safety door electromagnetic lock is provided for this utility model.

[0013] Figure 5 This utility model proposes an electromagnetic lock for equipment safety doors. Figure 4 Enlarged view of point A in the middle.

[0014] Legend: 1. Housing; 2. Housing cover; 3. Fixed mounting plate; 4. Mounting hole; 5. Energy storage lithium battery; 6. Electromagnetic lock controller; 7. Lock head control telescopic rod; 8. Mounting plate; 9. Electromagnetic lock head; 10. Connecting plate; 11. Slot; 12. Locking block; 13. U-shaped plate; 14. Limiting rod; 15. Limiting plate; 16. Tension spring; 17. Limiting hole; 18. Sliding block; 19. Slide groove; 20. Fixed plate; 21. Adjusting rod. Detailed Implementation

[0015] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0016] Please see Figures 1-5 This utility model provides a technical solution: an electromagnetic lock for a safety door, including a housing 1 and a cover 2. A mounting plate 3 is provided on the side of the housing 1, and mounting holes 4 are opened on the surface of the mounting plate 3. An energy storage lithium battery 5 is provided inside the housing 1. An electromagnetic lock controller 6 is provided inside the housing 1. A lock head control telescopic rod 7 is provided on the side of the electromagnetic lock controller 6. One end of the lock head control telescopic rod 7 is fixedly connected to a mounting plate 8. An electromagnetic lock head 9 is slidably connected inside the housing 1. A connecting plate 10 is fixedly installed at one end of the electromagnetic lock head 9. A slot 11 is opened on the inner side of the mounting plate 8. A locking block 12 is fixedly installed on the surface of the connecting plate 10. A U-shaped plate 13 is fixedly installed on the surface of the mounting plate 8. A limiting rod 14 is slidably connected inside the U-shaped plate 13. A limiting plate 15 is fixedly installed on the surface of the limiting rod 14. A tension spring 16 is sleeved on the surface of the limiting rod 14. A limiting hole 17 is opened on the surface of the connecting plate 10.

[0017] like Figure 2 As shown, the electromagnetic lock controller 6 is electrically connected to the lock head control telescopic rod 7. The electromagnetic lock controller 6 precisely controls the extension and retraction of the lock head control telescopic rod 7, thereby driving the connected mounting plate 8 to move, thus precisely driving the electromagnetic lock head 9 to perform locking and unlocking operations.

[0018] like Figure 3 As shown, the connecting plate 10 is slidably connected to the mounting plate 8, and the locking block 12 is slidably connected to the locking groove 11. Through the sliding of the connecting plate 10 on the mounting plate 8 and the engagement of the locking block 12 and the locking groove 11, the movement trajectory of the electromagnetic lock head 9 during the extension and retraction process is more stable, preventing deviation or shaking.

[0019] like Figure 3 As shown, the limiting rod 14 is slidably connected to the limiting hole 17. One end of the tension spring 16 is fixedly connected to the side of the limiting plate 15, and the other end of the tension spring 16 is fixedly connected to the inner side of the U-shaped plate 13. The limiting rod 14 can limit the connecting plate 10. The design of the tension spring 16 allows it to automatically insert into the limiting hole 17 when the limiting rod 14 is released.

[0020] like Figure 4 and Figure 5As shown, a sliding block 18 is fixedly connected to the side of the fixed mounting plate 3, a sliding groove 19 is opened on the side of the housing 1, a fixed plate 20 is fixedly installed on the side of the fixed mounting plate 3, an adjusting rod 21 is connected to the inside of the fixed plate 20, and a threaded hole is opened on the side of the housing 1. Through the sliding cooperation between the sliding block 18 and the sliding groove 19, the fixed mounting plate 3 can be flexibly adjusted relative to the housing 1 to adapt to the installation requirements of safety doors of different equipment.

[0021] like Figure 5 As shown, the sliding block 18 and the sliding groove 19 are slidably connected. The smooth sliding of the sliding block 18 in the sliding groove 19 makes the adjustment of the position of the fixed mounting plate 3 on the side of the housing 1 smooth and without jamming, reducing the installation difficulty.

[0022] like Figure 5 As shown, the adjusting rod 21 is threadedly connected to the threaded hole. Through the tight threaded fit between the adjusting rod 21 and the threaded hole, sufficient friction and fastening force are generated to stably fix the mounting plate 3 to the housing 1, preventing the electromagnetic lock installation position from loosening or shifting due to vibration or external force during equipment operation.

[0023] The usage and working principle of this device are as follows: When installing the electromagnetic lock and adjusting the position of the mounting plate 3, first rotate the adjusting rod 21 to unscrew it from the threaded hole. This releases the restriction on the mounting plate 3. Then, push the mounting plate 3 to slide smoothly along the slide groove 19. Adjust it to a suitable position according to the actual situation of the equipment safety door. Next, rotate the adjusting rod 21 inside the mounting plate 20 to connect it with the threaded hole on the side of the housing 1. As the adjusting rod 21 rotates, sufficient friction and fastening force are gradually generated, firmly fixing the mounting plate 3 to the housing 1, thus stably installing the electromagnetic lock on the equipment safety door. When it is necessary to disassemble the electromagnetic lock head 9... When performing maintenance or replacement, first pull the limiting rod 14 so that it slides out of the limiting hole 17 of the connecting plate 10. During this process, the tension spring 16 is compressed, and the limiting rod 14 retracts to release the limitation on the electromagnetic lock head 9. At this time, the electromagnetic lock head 9 can be pulled to remove it. After completing the maintenance or replacement, place the new or maintained electromagnetic lock head 9 back in its original position so that the connecting plate 10 aligns with the mounting plate 8. The locking block 12 on the connecting plate 10 slides into the locking groove 11 of the mounting plate 8, ensuring the stability and accuracy of the lock head's movement. Then, release the limiting rod 14. Under the action of the tension spring 16, the limiting rod 14 will automatically insert into the limiting hole 17, thereby completing the installation of the electromagnetic lock head 9 and ensuring the stability and accuracy of its subsequent operation.

[0024] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An electromagnetic lock for a safety door of a device, characterized in that, include: The housing (1) and the cover (2) are provided. A mounting plate (3) is provided on the side of the housing (1). Mounting holes (4) are opened on the surface of the mounting plate (3). An energy storage lithium battery (5) is provided inside the housing (1). An electromagnetic lock controller (6) is provided inside the housing (1). A lock head control telescopic rod (7) is provided on the side of the electromagnetic lock controller (6). One end of the lock head control telescopic rod (7) is fixedly connected to a mounting plate (8). An electromagnetic lock head (9) is slidably connected inside the housing (1). (9) One end is fixedly installed with a connecting plate (10), a slot (11) is opened on the inner side of the mounting plate (8), a card block (12) is fixedly installed on the surface of the connecting plate (10), a U-shaped plate (13) is fixedly installed on the surface of the mounting plate (8), a limiting rod (14) is slidably connected inside the U-shaped plate (13), a limiting plate (15) is fixedly installed on the surface of the limiting rod (14), a tension spring (16) is sleeved on the surface of the limiting rod (14), and a limiting hole (17) is opened on the surface of the connecting plate (10).

2. The electromagnetic lock for the equipment safety door according to claim 1, characterized in that: The electromagnetic lock controller (6) is electrically connected to the lock head control telescopic rod (7).

3. The electromagnetic lock for the equipment safety door according to claim 1, characterized in that: The connecting plate (10) is slidably connected to the mounting plate (8), and the card block (12) is slidably connected to the card slot (11).

4. The electromagnetic lock for the equipment safety door according to claim 1, characterized in that: The limiting rod (14) is slidably connected to the limiting hole (17), one end of the tension spring (16) is fixedly connected to the side of the limiting plate (15), and the other end of the tension spring (16) is fixedly connected to the inner side of the U-shaped plate (13).

5. The electromagnetic lock for the equipment safety door according to claim 1, characterized in that: The side of the fixed mounting plate (3) is fixedly connected to a sliding block (18), the side of the housing (1) is provided with a sliding groove (19), the side of the fixed mounting plate (3) is fixedly installed with a fixing plate (20), the inside of the fixing plate (20) is connected to an adjusting rod (21), and the side of the housing (1) is provided with a threaded hole (22).

6. The electromagnetic lock for the equipment safety door according to claim 5, characterized in that: The sliding block (18) is slidably connected to the sliding groove (19).

7. The electromagnetic lock for the equipment safety door according to claim 5, characterized in that: The adjusting rod (21) is threadedly connected to the threaded hole (22).