Safety switch assembly of electromagnetic lock

Abstract

The utility model discloses a safety switch assembly of an electromagnetic lock. The safety switch assembly comprises a machine body, a machine cover and a limiting structure, when the machine cover is placed on the surface of the machine body, the inserting block can be inserted into the inserting groove, then the threaded rod is rotated to be connected with the threaded sleeve, meanwhile, the connecting rod can be pushed to push the pushing block, the clamping rod is inserted into the clamping groove, the pushing block can be pressed on the inserting block at the moment, and therefore the inserting block is limited and fixed. The machine cover is fixed on the machine body, the machine cover cannot be damaged due to the fact that the screw is too tight, the screw is not prone to being damaged, and during disassembly, the screw is rotated to drive the push block, so that the clamping rod slides out of the clamping groove, limiting of the inserting block is relieved, then the machine cover can be taken down, and the beneficial effect of convenient disassembly is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic lock, concretely is a kind of electromagnetic lock safety switch assembly. BACKGROUND

[0002] The design of electromagnetic lock safety switch assembly is the same as electromagnet, which utilizes the principle of generating electricity by magnetism. When electric current passes through silicon steel sheet, electromagnetic lock will generate strong suction force to tightly attract the adsorption iron plate to achieve the effect of locking the door. As long as small current, electromagnetic lock will generate great magnetic force. After the access control system that controls the power supply of electromagnetic lock identifies the personnel correctly, it will be powered off. The electromagnetic lock loses suction force and the door can be opened.

[0003] The existing electromagnetic lock safety switch assembly cover is usually fixed by screw locking. The screw locking is easy to damage the cover, and too tight locking can also cause screw damage. INVENTION CONTENTS

[0004] The utility model discloses a kind of electromagnetic lock safety switch assemblies, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model takes the following technical scheme: a kind of electromagnetic lock safety switch assembly, including machine body, the machine body is provided with cover, the machine body is internally provided with limiting structure, the limiting structure includes threaded sleeve, the machine body is internally provided with threaded sleeve, the threaded sleeve is internally connected with screw rod, the end of the screw rod is provided with connecting rod, the machine body is internally provided with slot, the connecting rod is connected with push block, the surface of push block is fixed with clamping rod, the surface of the cover is connected with plug-in block, the plug-in block is provided with clamping groove.

[0006] Preferably, a spring groove is formed between the threaded sleeve and the machine body, and a spring is assembled in the spring groove.

[0007] Preferably, a storage groove is provided at the connection between the machine body and the screw rod. After the screw rod is turned into the machine body, the outer surface of the screw rod does not protrude from the surface of the machine body.

[0008] Preferably, the clamping rod is provided with two, respectively located at the left and right ends of the push block.

[0009] Preferably, the number of clamping grooves is the same as the number of clamping rods.

[0010] Preferably, a positioning plate is provided on the inner side of the machine body, the positioning plate is provided with two, and the push block slides along the surface of the positioning plate.

[0011] Preferably, a connecting port is provided at the bottom of the plug-in block, the connecting port can be connected with the connecting rod, and the lower end of the connecting port is arc-shaped.

[0012] Compared with the prior art, the utility model has the beneficial effects that

[0013] When the cover is placed on the surface of the machine body, the plug block is inserted into the slot, then the screw rod is rotated to connect the screw rod with the threaded sleeve, at the same time, the connecting rod is pushed to push the push block, so that the clamping rod is inserted into the clamping groove, at this time, the push block is pressed on the plug block, thereby limiting and fixing the plug block, so as to fix the cover on the machine body, the cover is not damaged due to the screw being too tight, and the screw is not easy to damage, when disassembling, the screw rod is rotated to drive the push block, so that the clamping rod slides out of the clamping groove, thereby releasing the limiting of the plug block, then the cover can be taken down, so that the beneficial effect of convenient disassembly is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a top view structural schematic view of the utility model;

[0016] Figure 3 It is a top view structural schematic view of the screw rod of the utility model;

[0017] Figure 4 It is a front view structural schematic view of the plug block of the utility model.

[0018] In the drawing: machine body 1, cover 2, limiting structure 3, threaded sleeve 31, screw rod 32, connecting rod 33, slot 34, push block 35, clamping rod 36, plug block 37, clamping groove 38, spring groove 39, spring 310, storage groove 311, connecting port 331. DETAILED DESCRIPTION

[0019] In order to further explain the technical scheme of the utility model, the following specific embodiments are described in detail.

[0020] Please refer to Figure 1 and Figure 2 The utility model provides a kind of electromagnetic lock safety switch component, including machine body 1, machine body 1 is provided with cover 2, machine body 1 is internally provided with limiting structure 3.

[0021] Please refer to Figure 2 、 Figure 3 and Figure 4The utility model provides a kind of electromagnetic lock safety switch subassembly, limiting structure 3 includes threaded sleeve 31, threaded sleeve 31 is integrally formed in the inside of body 1, threaded sleeve 31 is threadedly connected with screw rod 32 in the inside, screw rod 32 rear end portion is integrally formed with connecting rod 33, connecting rod 33 is rotatably connected with push block 35 on it, push block 35 two sides are provided with the open clamping spring of being connected with connecting rod 33, two clamping springs can limit push block 35 axial movement along connecting rod 33, clamping rod 36 is fixed on the rear side surface of push block 35, clamping rod 36 is provided with two, respectively located at the left and right ends of push block 35;

[0022] Body 1 is provided with slot 34 in the inside, the surface of cover 2 is integrally formed with insertion block 37, insertion block 37 can be opposite with slot 34, clamping groove 38 is opened on insertion block 37, the number of clamping groove 38 is same with the number of clamping rod 36, locating plate 351 is integrally formed in the inside of body 1, locating plate 351 is provided with two, push block 35 is square block, push block 35 is located between two locating plates 351, and the left and right side surfaces of push block 35 are in sliding contact with the side surfaces of two locating blocks 351, can be more accurate to limit push open 35;

[0023] Spring groove 39 is formed between threaded sleeve 31 and body 1, spring 310 is assembled in the inside of spring groove 39, one end of spring 310 is fixedly connected in the inside of body 1, the other end is integrally formed with the circular table of screw rod 32 front end portion and abuts, the outer surface of circular table is provided with the T-shaped groove or cross-shaped groove of being driven to rotate by screwdriver, storage groove 311 is arranged at the connecting place of body 1 and screw rod 32, after screw rod 32 is rotated into the inside of body 1, the circular table on screw rod 32 will not protrude from the surface of body 1, at the same time, the circular table of screw rod 32 front end portion will push spring 310, spring 310 will be compressed to generate elastic force, and push screw rod 32, will make screw rod 32 and threaded sleeve 31 more stablely connected, with the phenomenon of not easy to loosen;

[0024] The bottom of insertion block 37 is provided with connecting port 331, connecting port 331 can be connected with connecting rod 33, and the lower end of connecting port 331 is arc surface, has better opposite with connecting rod 33, so that when insertion block 37 is inserted into slot 34, clamping groove 38 will be aligned with clamping rod 36;

[0025] When the machine cover 2 is placed on the surface of the machine body 1, the insertion block 37 is inserted into the insertion slot 34, then the screw rod 32 is rotated to connect the screw rod 32 with the threaded sleeve 31, at the same time, the connecting rod 33 is pushed to push the push block 35, so that the clamping rod 36 is inserted into the clamping slot 38, at this time, the push block 35 is pressed on the insertion block 37, so as to limit and fix the insertion block 37, so as to fix the machine cover 2 on the machine body 1, and the machine cover 2 will not be damaged due to the over-tightening of the screw, and the screw is not easy to be damaged, when disassembling, the screw rod 32 is rotated to drive the push block 35, so that the clamping rod 36 slides out of the clamping slot 38, and then the limiting of the insertion block 37 is released, then the machine cover 2 can be taken off, so as to realize the beneficial effect of convenient disassembly.

[0026] The above only provides preferred examples of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electromagnetic lock safety switch assembly, comprising a body (1), wherein a cover (2) is disposed on the body (1), characterized in that: It also includes a limiting structure (3), which is provided inside the body (1). The limiting structure (3) includes a threaded sleeve (31), which is provided inside the body (1). A screw (32) is connected inside the threaded sleeve (31). A connecting rod (33) is provided at the end of the screw (32). A slot (34) is provided inside the body (1). A push block (35) is connected to the connecting rod (33). A locking rod (36) is fixed on the surface of the push block (35). An insert block (37) is connected to the surface of the cover (2). A locking groove (38) is provided on the insert block (37).

2. The electromagnetic lock safety switch assembly according to claim 1, characterized in that: A spring groove (39) is formed between the threaded sleeve (31) and the body (1), and a spring (310) is assembled inside the spring groove (39).

3. The electromagnetic lock safety switch assembly according to claim 1, characterized in that: A storage groove (311) is provided at the connection between the body (1) and the screw (32). After the screw (32) is rotated into the body (1), the outer surface of the screw (32) will not protrude from the surface of the body (1).

4. The electromagnetic lock safety switch assembly according to claim 1, characterized in that: Two levers (36) are provided, located at the left and right ends of the push block (35) respectively.

5. The electromagnetic lock safety switch assembly according to claim 4, characterized in that: The number of slots (38) is the same as the number of levers (36).

6. The electromagnetic lock safety switch assembly according to claim 1, characterized in that: The inner side of the body (1) is provided with a positioning plate (351), and there are two positioning plates (351). The push block (35) slides along the surface of the positioning plate (351).

7. The electromagnetic lock safety switch assembly according to claim 1, characterized in that: The bottom of the insert (37) is provided with a connection port (331), which can be connected to the connecting rod (33), and the lower end of the connection port (331) is an arc surface.

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