Lock body structure

Abstract

The utility model discloses a lock body structure. A lock body front plate (1) and a lock body rear plate (2) are combined to form a lock shell (3); the anti-theft lock further comprises a lock cylinder panel (4), and the lock cylinder panel (4) is detachably installed at one end of the lock shell (3). The lock cylinder panel (4) and the lock body adopt a split structure, and the lock cylinder panel (4) can be flexibly made of relatively cheap materials, so that the production cost is remarkably reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to a magnetic lock body structure. Background Art

[0002] A magnetic lock uses the principle of attracting each other with opposite magnetic poles of magnets to achieve the contraction action of the lock core.

[0003] The Chinese utility model patent with the application number CN201921167167.1 discloses a magnetic lock body for a flat door, which includes a magnetic lock core, a front lock body plate, a rear lock body plate, a lock tongue sleeve, a lock body toggle piece, a lock core magnet and a lock body magnet; the lock core magnet is installed in the lock tongue of the magnetic lock core, and the lock body magnet is fixed on the inner plate surface of the front lock body plate and has the opposite pole direction to the lock core magnet, and can attract each other, so that the magnetic lock core smoothly retracts; the magnetic lock core is installed in the lock housing composed of the front lock body plate and the rear lock body plate, the lock body toggle piece is installed in the lock housing and can toggle the magnetic lock core to move backward to realize unlocking; the lock tongue sleeve is fixed in the lock tongue outlet of the front lock body plate by means of a buckle for encapsulating the lock tongue outlet. In this structure, the front lock body plate and the rear lock body plate are connected together by screws, and an installation panel is integrally arranged on the front lock body plate, and the installation panel is connected to the magnetic lock body panel by screws. There is also a structure in the market where the magnetic lock body panel is directly integrally manufactured with the front lock body plate. In order to ensure that the lock body has good corrosion resistance, oxidation resistance, durability and safety, the front lock body plate and the rear lock body plate are usually made of stainless steel. If the installation panel or the magnetic lock body panel and the front lock body plate or the rear lock body plate are of an integral structure, it is not conducive to cost saving. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a lock body structure. The lock core panel and the lock body of the utility model adopt a split structure, and the lock core panel can flexibly select relatively inexpensive materials, thereby significantly reducing the production cost.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a lock body structure, including a front lock body plate and a rear lock body plate, the front lock body plate and the rear lock body plate are combined to form a lock housing; it also includes a lock core panel, and the lock core panel is detachably installed at one end of the lock housing.

[0006] By adopting the above technical solution, the lock core panel and the lock body adopt a split structure, and the lock core panel can flexibly select relatively inexpensive materials, such as aluminum alloy materials, etc., thereby significantly reducing the production cost.

[0007] The utility model is further arranged such that the lock core panel is connected to the lock housing by a snap connection method.

[0008] By adopting the above technical solution, it is not only convenient for disassembly and assembly, but also does not require additional fasteners, reducing material and processing costs.

[0009] The present utility model is further configured such that, on the front and rear sides of one end of the lock case corresponding to the positions of the front plate of the lock body and the rear plate of the lock body, a first clamping block and a second clamping block are respectively provided, and on the front and rear sides of the lock core panel near one end of the lock case, a first clamping opening and a second clamping opening are respectively provided, and the first clamping block and the second clamping block are respectively inserted into the first clamping opening and the second clamping opening.

[0010] By adopting the above technical solution, the first clamping block of the front plate of the lock body and the second clamping block of the rear plate of the lock body are respectively clamped into the first clamping opening and the second clamping opening of the lock core panel, so as to realize the connection with the lock case and the locking of the lock case, and the connection operation is very convenient.

[0011] The present utility model is further configured such that the lock core panel includes a panel main body and a clamping ring, and on the front and rear sides of the clamping ring, a first bending portion and a second bending portion in an arched shape are respectively provided, and the clamping ring is fixedly connected to the panel main body, so that the first clamping opening and the second clamping opening are respectively formed between the first bending portion, the second bending portion and the panel main body.

[0012] By adopting the above technical solution, the lock core panel is composed of a panel main body and a clamping ring. The clamping ring is a special-shaped part, and it is more convenient to process alone. Then, the clamping ring is fixedly connected to the panel main body, which is more conducive to processing and production.

[0013] The present utility model is further configured such that a plurality of barb portions are provided on the lock core panel, and the barb portions press the clamping ring against the lock core panel.

[0014] By adopting the above technical solution, this is the first connection method between the clamping ring and the lock core panel. The barb portions can adopt a riveting process, and the barb portions press the clamping ring against the lock core panel. The connection structure is simple and reliable, and it is very firm.

[0015] The present utility model is further configured such that the clamping ring is welded to the lock core panel.

[0016] By adopting the above technical solution, this is the second connection method between the clamping ring and the lock core panel. The process is simple and the connection strength is high.

[0017] The present utility model is further configured such that a limiting groove is respectively provided on the left and right sides of the clamping ring, a first limiting protrusion inserted into the corresponding limiting groove is respectively provided on the left and right sides of the end of the front plate of the lock body, a second limiting protrusion inserted into the corresponding limiting groove is respectively provided on the left and right sides of the end of the rear plate of the lock body, and the first limiting protrusion and the second limiting protrusion on the same side are both in contact with the inner wall of the limiting groove.

[0018] By adopting the above technical solution, it is possible to limit both sides of the front plate and the rear plate of the lock body, ensuring the stability of the connection structure between the two.

[0019] The present utility model is further configured such that at positions corresponding to the front plate and the rear plate of the lock body at one end of the lock case away from the lock core panel, a first bending plate and a second bending plate are respectively provided. The first bending plate abuts against the inner end surface of the rear plate of the lock body, and the second bending plate abuts against the inner end surface of the front plate of the lock body.

[0020] By adopting the above technical solution, at one end of the front plate and the rear plate of the lock body away from the lock core panel, a cross-connection method is used, and the connection structure is simple and reliable, and the disassembly and assembly are very convenient.

[0021] The present utility model is further configured such that at the end portions of the first bending plate and the second bending plate, a first positioning protrusion and a second positioning protrusion are respectively provided. On the front plate and the rear plate of the lock body, a first positioning hole for inserting the second positioning protrusion and a second positioning hole for inserting the first positioning protrusion are respectively provided; at one end of the front plate of the lock body away from the lock core panel, a front positioning convex portion and a front positioning concave portion are further provided. At one end of the rear plate of the lock body away from the lock core panel, a rear positioning concave portion that fits with the front positioning convex portion and a rear positioning convex portion that fits with the front positioning concave portion are provided.

[0022] By adopting the above technical solution, it is possible to limit the first bending plate and the second bending plate, making the cooperation between the front plate and the rear plate of the lock body at one end away from the lock core panel closer, and the connection structure more stable and reliable.

[0023] The present utility model is further configured such that on both sides of the middle of the front plate of the lock body, a positioning convex block is respectively provided, and on both sides of the middle of the rear plate of the lock body, a positioning groove that fits with the positioning convex block is respectively provided.

[0024] By adopting the above technical solution, the reliability of the connection structure between the front plate and the rear plate of the lock body can be further improved, and loosening between the two can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0026] Figure 2 is a schematic structural diagram of the lock core panel of the present utility model;

[0027] Figure 3 is a schematic structural diagram of the cooperation between the snap ring and the lock case of the present utility model;

[0028] Figure 4 is an exploded view of the lock case of the present utility model;

[0029] Figure 5This is a schematic structural view of one end of the lock case of the present utility model away from the lock core panel.

[0030] In the figure: 1. Front plate of the lock body; 2. Rear plate of the lock body; 3. Lock case; 4. Lock core panel; 5. First clamping block; 6. Second clamping block; 7. First bayonet; 8. Second bayonet; 9. Panel main body; 10. Snap ring; 11. First bending part; 12. Second bending part; 13. Barbed part; 14. Limit groove; 15. First limit protrusion; 16. Second limit protrusion; 17. First bending plate; 18. Second bending plate; 19. First positioning protrusion; 20. Second positioning protrusion; 21. First positioning hole; 22. Second positioning hole; 23. Front positioning protrusion; 24. Front positioning recess; 25. Rear positioning recess; 26. Rear positioning protrusion; 27. Positioning protrusion block; 28. Positioning groove. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Embodiment: As shown in the attached Figures 1 to 5 A lock body structure includes a front plate 1 of the lock body and a rear plate 2 of the lock body. The front plate 1 and the rear plate 2 of the lock body are combined to form a lock case 3. The lock body structure further includes a lock core panel 4, and the lock core panel 4 is detachably installed at one end of the lock case 3. The lock core panel 4 and the lock body adopt a split structure, and the lock core panel 4 can flexibly select relatively inexpensive materials, such as aluminum alloy materials, etc., thereby significantly reducing the production cost.

[0033] More specifically, the lock core panel 4 is connected to the lock case 3 by a snap connection method. It is not only convenient for disassembly and assembly, but also does not require additional fasteners, reducing the material and processing costs.

[0034] As shown in the attached Figure 2 and the attached Figure 3 As shown, the specific setting method of this bayonet connection structure is as follows: First clamping blocks 5 and second clamping blocks 6 are respectively provided at the front and rear sides of one end of the lock case 3 corresponding to the positions of the front plate 1 and the rear plate 2 of the lock body, and first bayonets 7 and second bayonets 8 are respectively provided at the front and rear sides of one end of the lock core panel 4 close to the lock case 3. The first clamping block 5 and the second clamping block 6 are respectively inserted into the first bayonet 7 and the second bayonet 8. The first clamping block 5 of the front plate 1 of the lock body and the second clamping block 6 of the rear plate 2 of the lock body are respectively clamped into the first bayonet 7 and the second bayonet 8 of the lock core panel 4 to realize the connection with the lock case 3 and the locking of the lock case 3, and the connection operation is very convenient.

[0035] As shown in the attached Figure 2 and the attached Figure 3 As shown, the lock core panel 4 includes a panel body 9 and a snap ring 10. On the front and rear sides of the snap ring 10, there are respectively provided a first bending part 11 and a second bending part 12 in an arch shape, that is, one end close to the panel body 9 is open. The snap ring 10 is fixedly connected to the panel body 9, so that the first bayonet 7 and the second bayonet 8 are respectively formed between the first bending part 11, the second bending part 12 and the panel body 9. The lock core panel 4 is composed of the panel body 9 and the snap ring 10. The snap ring 10 is a special-shaped part, and it is more convenient to process separately. Then, the snap ring 10 is fixedly connected to the panel body 9, which is more conducive to processing and production.

[0036] The first connection method between the snap ring 10 and the lock core panel 4 is: specifically, refer to the attached Figure 2 As shown, a plurality of barb parts 13 are provided on the lock core panel 4, and the barb parts 13 press the snap ring 10 tightly on the lock core panel 4. The barb parts 13 can adopt a press riveting process. The barb parts 13 are initially strip-shaped. When fixing, they are bent and pressed on the snap ring 10, so that the snap ring 10 is pressed tightly on the panel body 9. The barb parts 13 press the snap ring 10 tightly on the lock core panel 4, and the connection structure is simple and reliable, and it is very firm.

[0037] The second connection method between the snap ring 10 and the lock core panel 4 is: the snap ring 10 is welded to the lock core panel 4, the process is simple, and the connection strength is high.

[0038] As shown in the attached Figure 3 As shown, on the left and right sides of the snap ring 10, there are respectively provided a limit groove 14. On the left and right sides of the end of the front lock body plate 1, there are respectively provided first limit protrusions 15 inserted into the corresponding limit grooves 14. On the left and right sides of the end of the rear lock body plate 2, there are respectively provided second limit protrusions 16 inserted into the corresponding limit grooves 14. And the first limit protrusion 15 and the second limit protrusion 16 on the same side are both in tight contact with the inner wall of the limit groove 14. The upper end of the side of the first limit protrusion 15 close to the second limit protrusion 16 is chamfered, and the upper end of the side of the second limit protrusion 16 close to the first limit protrusion 15 is also chamfered. This design can limit the two sides of the front lock body plate 1 and the rear lock body plate 2, and ensure the stability of the connection structure between the two.

[0039] As shown in the attached Figure 4 and the attached Figure 5 As shown, at the end of the lock shell 3 far from the lock core panel 4, corresponding to the positions of the front lock body plate 1 and the rear lock body plate 2, there are respectively provided a first bending plate 17 and a second bending plate 18. The first bending plate 17 is in tight contact with the inner end face of the rear lock body plate 2, and the second bending plate 18 is in tight contact with the inner end face of the front lock body plate 1. The ends of the front lock body plate 1 and the rear lock body plate 2 far from the lock core panel 4 are connected in a cross manner, and the connection structure is simple and reliable, and it is very convenient to disassemble and assemble.

[0040] As shown in the attached Figure 4 and the attached Figure 5 As shown, first positioning protrusions 19 and second positioning protrusions 20 are respectively provided at the end portions of the first bending plate 17 and the second bending plate 18. First positioning holes 21 for the insertion of the second positioning protrusions 20 and second positioning holes 22 for the insertion of the first positioning protrusions 19 are respectively provided on the front lock body plate 1 and the rear lock body plate 2; a front positioning convex portion 23 and a front positioning concave portion 24 are further provided at one end of the front lock body plate 1 away from the lock core panel 4, and a rear positioning concave portion 25 that fits with the front positioning convex portion 23 and a rear positioning convex portion 26 that fits with the front positioning concave portion 24 are provided at one end of the rear lock body plate 2 away from the lock core panel 4. The first bending plate 17 and the second bending plate 18 can be limited in position, so that the ends of the front lock body plate 1 and the rear lock body plate 2 away from the lock core panel 4 are more closely matched, and the connection structure is more stable and reliable.

[0041] In addition, as shown in the attached Figure 3 and the attached Figure 4 As shown, a positioning convex block 27 is respectively provided on both sides of the middle of the front lock body plate 1, and a positioning groove 28 that fits with the positioning convex block 27 is respectively provided on both sides of the middle of the rear lock body plate 2. In this embodiment, the positioning convex block 27 and the positioning groove 28 are in the shape of an isosceles trapezoid. In addition, a conical shape, a rectangular shape, etc. can also be adopted. This design can further improve the reliability of the connection structure between the front lock body plate 1 and the rear lock body plate 2 and prevent loosening between the two.

Claims

1. A lock body structure, comprising a lock body front plate (1) and a lock body rear plate (2), wherein the lock body front plate (1) and the lock body rear plate (2) are combined to form a lock shell (3); characterized in that: It also includes a lock core panel (4), which is detachably mounted on one end of the lock housing (3).

2. A lock body structure according to claim 1, characterized in that: The lock core panel (4) is connected to the lock housing (3) by means of a snap connection.

3. A lock body structure according to claim 2, characterized in that: A first clamping block (5) and a second clamping block (6) are respectively provided at the front and rear sides of one end of the lock shell (3) corresponding to the positions of the lock body front plate (1) and the lock body rear plate (2); a first clamping port (7) and a second clamping port (8) are respectively provided at the front and rear sides of the lock core panel (4) close to one end of the lock shell (3); the first clamping block (5) and the second clamping block (6) are respectively inserted into the first clamping port (7) and the second clamping port (8).

4. A lock body structure according to claim 3, characterized in that: The lock core panel (4) comprises a panel body (9) and a snap ring (10), wherein a first bending portion (11) and a second bending portion (12) in an arched shape are respectively provided on the front and rear sides of the snap ring (10), and the snap ring (10) is fixedly connected to the panel body (9) so that the first bending portion (11) and the second bending portion (12) respectively form the first snap opening (7) and the second snap opening (8) with the panel body (9).

5. A lock body structure according to claim 4, characterized in that: The lock core panel (4) is provided with a plurality of barbed hooks (13), and the barbed hooks (13) press the snap ring (10) onto the lock core panel (4).

6. A lock body structure according to claim 4, characterized in that: The snap ring (10) is welded to the lock core panel (4).

7. A lock body structure according to claim 4, characterized in that: A limiting groove (14) is respectively provided on the left and right sides of the snap ring (10); a first limiting protrusion (15) inserted into the corresponding limiting groove (14) is respectively provided on the left and right sides of the end of the lock body front plate (1); a second limiting protrusion (16) inserted into the corresponding limiting groove (14) is respectively provided on the left and right sides of the end of the lock body rear plate (2); and the first limiting protrusion (15) and the second limiting protrusion (16) on the same side are both tightly pressed against the inner wall of the limiting groove (14).

8. A lock body structure according to any one of claims 1 to 7, characterized in that: A first bending plate (17) and a second bending plate (18) are respectively provided at the positions of the lock body front plate (1) and the lock body rear plate (2) at one end of the lock shell (3) away from the lock core panel (4); the first bending plate (17) is tightly abutted against the inner end surface of the lock body rear plate (2); and the second bending plate (18) is tightly abutted against the inner end surface of the lock body front plate (1).

9. A lock body structure according to claim 8, characterized in that: The first bending plate (17) and the second bending plate (18) are respectively provided with a first positioning protrusion (19) and a second positioning protrusion (20) at their ends; the lock body front plate (1) and the lock body rear plate (2) are respectively provided with a first positioning hole (21) for inserting the second positioning protrusion (20) and a second positioning hole (22) for inserting the first positioning protrusion (19); the lock body front plate (1) is further provided with a front positioning protrusion (23) and a front positioning recess (24) at one end away from the lock core panel (4); the lock body rear plate (2) is further provided with a rear positioning recess (25) matched with the front positioning protrusion (23) and a rear positioning protrusion (26) matched with the front positioning recess (24) at one end away from the lock core panel (4).

10. The lock structure according to claim 1, characterized in that: A positioning protrusion (27) is provided on both sides of the middle of the lock body front plate (1), and a positioning groove (28) matching with the positioning protrusion (27) is provided on both sides of the middle of the lock body rear plate (2).

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