A plugboard anti-disassembly structure

CN224908578UActive Publication Date: 2026-10-27HENAN BOMEI ELECTRIC CO LTD
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Patent Information

Application Number
CN202521833246.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-27
Publication Date
2026-10-27
Estimated Expiration
2035-08-27

AI Technical Summary

Technical Problem

[0004]1)需要额外生产防拆件,这会增加材料成本以及制造工序;

Benefits of technology

[0017]本实用新型,通过连接杆的螺纹状抵触部与连接柱内壁的过盈配合,结合倾斜引导面的单向导入特性,实现装配后不可逆锁止,确保结构稳定可靠,紧固件配置防工具操作的结构,有效阻止外部工具对紧固件进行旋转操作,防止非法拆卸;该设计无需使用防拆件即可实现防拆功能,并通过铆压方式将连接杆压入连接柱内,节省旋转紧固螺钉的时间,提升装配效率,快速完成连接固定,降低制造成本与组装难度及制造工序,克服背景技术中技术方案存在的缺陷。

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Abstract

The utility model discloses a kind of anti-disassembly structures for plugboard, the anti-disassembly structure for plugboard includes base, upper cover, the base is equipped with multiple convex columns, the upper cover is equipped with the connecting column matched with convex column, the connecting column is embedded into convex column, the convex column is equipped with fastener, the fastener includes connecting rod, the connecting rod is inserted into connecting column inside, the outer wall of the connecting rod is equipped with the resistance of thread-like, the resistance of thread-like is interference fit with connecting column inner wall.By connecting rod thread-like resistance of interference fit with connecting column inner wall, the one-way introduction characteristic of combining inclined guide surface is realized Irreversible locking after assembly, ensure that structure is stable and reliable;Fastener is configured with anti-tool operating structure, effectively prevents external tool rotation operation, prevent illegal disassembly, the design does not need anti-disassembly piece, adopts rivet pressure mode and connects rod into connecting column, save rotating fastening screw time, improve assembly efficiency, reduce manufacturing cost and assembly difficulty and process.
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Description

Technical Field

[0001] This utility model relates to the field of insert plate technology, and in particular to an anti-disassembly structure for insert plates. Background Technology

[0002] Authorization notice number CN217545032U, "Anti-tamper structure and socket". This anti-tamper structure includes an upper housing, a lower housing, and an anti-tamper component. The upper housing has a connecting through hole with an annular protrusion in the center. The lower housing has a cylindrical body corresponding to the connecting through hole, with threads tapped on its inner side. The cylindrical body is inserted into the connecting through hole and abuts against the annular protrusion. A screw passes through the connecting through hole, is screwed into the cylindrical body, and its nut abuts against the annular protrusion, connecting the upper and lower housings to form a hollow cavity. The anti-tamper component is interference-fitted onto the upper side of the connecting through hole and abuts against the nut. This anti-tamper structure prevents conventional tools from directly contacting the screw, solving the problem of danger caused by conventional tools removing screws.

[0003] However, the above technical solution has the following drawbacks:

[0004] 1) Additional anti-disassembly parts need to be produced, which will increase material costs and manufacturing processes;

[0005] 2) Anti-disassembly parts need to be installed using an interference fit, which requires high machining precision, leading to increased machining costs;

[0006] 3) Each connecting hole needs to be equipped with anti-disassembly parts, which increases the number of parts and increases the difficulty and complexity of assembly;

[0007] Therefore, the applicant has made beneficial designs and found a way to solve the above problems. The technical solution to be introduced below is generated in this context. Summary of the Invention

[0008] The purpose of this invention is to overcome the shortcomings of the above-mentioned technical solutions and provide a product that reduces manufacturing costs.

[0009] To solve the above problems, the present invention adopts the following technical solution.

[0010] An anti-tamper structure for a plug-in includes a base and a top cover. The base has multiple protruding posts, and the top cover has a connecting post that mates with the protruding posts. The connecting post is embedded in the protruding post, and a fastener is provided in the protruding post. The fastener includes a connecting rod that is inserted into the connecting post. The outer wall of the connecting rod has a threaded abutment that is interference-fitted with the inner wall of the connecting post. The abutment has an inclined guide surface facing the entrance of the connecting post. The fastener has a structure to prevent tool manipulation.

[0011] Preferably, one end face of the protruding post is provided with a countersunk hole for accommodating the connecting post, and the other end face is provided with a blind hole for accommodating the fastener.

[0012] Preferably, the outer wall of the connecting column is provided with a plurality of vertically arranged reinforcing parts that abut against the end face of the protruding column, and the connecting column is provided with a connecting hole for inserting a connecting rod.

[0013] Preferably, the end of the connecting rod is provided with an assembly guide slope.

[0014] Preferably, the structure with anti-tool operation feature is configured such that the fastener surface is smooth and without grooves.

[0015] Beneficial effects:

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This invention achieves irreversible locking after assembly by using the interference fit between the threaded contact part of the connecting rod and the inner wall of the connecting column, combined with the unidirectional guiding characteristic of the inclined guide surface. This ensures structural stability and reliability. The fasteners are equipped with a tool-resistant structure to effectively prevent external tools from rotating the fasteners and prevent unauthorized disassembly. This design achieves anti-disassembly functionality without the need for anti-disassembly components. Furthermore, the connecting rod is pressed into the connecting column by riveting, saving time spent rotating the fastening screws, improving assembly efficiency, quickly completing the connection and fixing, reducing manufacturing costs, assembly difficulty, and manufacturing processes, and overcoming the defects of the technical solutions in the prior art. Attached Figure Description

[0018] Figure 1 This is a side cross-sectional view of an anti-disassembly structure for a plug-in plate according to the present invention;

[0019] Figure 2 This utility model Figure 1 A partial enlarged view A of an anti-tamper structure for a plug-in board;

[0020] Figure 3 This is a structural diagram of a fastener for an anti-disassembly structure of a plug-in plate according to the present invention;

[0021] Figure 4 This is a schematic diagram of the structure of the top cover of the anti-disassembly structure for the insert plate according to this utility model;

[0022] The correspondence between the labels and component names in the attached figures is as follows:

[0023] Reference numerals: 1. Base; 2. Top cover; 3. Fastener; 11. Protruding post; 12. Countersunk hole; 13. Blind hole; 21. Connecting post; 22. Reinforcing part; 23. Connecting hole; 31. Connecting rod; 32. Abutting part; 33. Guide surface; 34. Guide slope. Detailed Implementation

[0024] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In this embodiment of the utility model, "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0027] Reference example Figures 1 to 4 A tamper-proof structure for inserts includes a base 1 and a top cover 2. The base 1 has a plurality of protrusions 11 inside, and the top cover 2 has a connecting post 21 that mates with the protrusions 11. The connecting post 21 is embedded in the protrusions 11. The protrusions 11 have fasteners 3 inside, and the fasteners 3 include connecting rods 31. The connecting rods 31 are inserted into the connecting post 21. The outer wall of the connecting rods 31 has a threaded abutment part 32. The abutment part 32 is press-fitted with the inner wall of the connecting post 21. The abutment part 32 has an inclined guide surface 33 facing the entrance of the connecting post 21. The fasteners 3 have a structure that prevents tool operation.

[0028] By using the interference fit between the threaded contact part 32 of the connecting rod 31 and the inner wall of the connecting column 21, combined with the unidirectional guiding characteristic of the inclined guide surface 33, irreversible locking is achieved after assembly, ensuring structural stability and reliability. The fastener 3 is equipped with a tool-proof structure, which effectively prevents external tools from rotating the fastener 3 and prevents illegal disassembly. This design achieves the anti-disassembly function without the need for anti-disassembly parts, and the connecting rod 31 is pressed into the connecting column 21 by riveting, saving the time of rotating the fastening screw, improving assembly efficiency, quickly completing the connection and fixing, reducing manufacturing costs, assembly difficulty and manufacturing processes, and overcoming the defects of the technical solutions in the background art.

[0029] It is worth mentioning that one end face of the protruding post 11 is provided with a countersunk hole 12 to accommodate the connecting post 21, and the other end face is provided with a blind hole 13 to accommodate the fastener 3. The connecting post 21 and the countersunk hole 12 abut against each other to enhance the overall shear strength and improve the structural safety. The blind hole 13 allows the fastener 3 to be embedded in it, preventing the operating tool from entering between the fastener 3 and the blind hole 13.

[0030] It is worth mentioning that the outer wall of the connecting column 21 is provided with multiple vertically arranged reinforcing parts 22, which abut against the end face of the protruding column 11. The connecting column 21 is provided with a connecting hole 23 for the connecting rod 31 to be inserted. The reinforcing parts 22 not only improve the shear strength, but also enhance the structural strength of the connecting hole 23.

[0031] It is worth mentioning that the end of the connecting rod 31 is provided with an assembly guide slope 34. When the connecting rod 31 is initially placed at the entrance of the guide hole and pressure is applied to the fastener 3, the guide slope 34 gradually expands the diameter of the connecting hole 23, so that the contact part 32 enters and closely contacts the inner wall of the connecting hole 23, forming a stable mechanical lock, while ensuring that the assembly process is smooth and controllable.

[0032] It is worth mentioning that the structure with anti-tool operation is designed so that the surface of the fastener 3 is smooth and without grooves. The smooth and groove-free surface of the fastener 3 prevents the tool from rotating the fastener 3, thereby achieving the anti-disassembly function. The above structure forms a multi-layer anti-disassembly protection mechanism, while ensuring a smooth and reliable assembly process.

[0033] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. A tamper-proof structure for a plug-in board, comprising a base (1) and a top cover (2), characterized in that: The base (1) is provided with a plurality of protruding posts (11), and the upper cover (2) is provided with a connecting post (21) that cooperates with the protruding posts (11). The connecting post (21) is embedded in the protruding post (11), and a fastener (3) is provided in the protruding post (11). The fastener (3) includes a connecting rod (31), which is inserted into the connecting post (21). The outer wall of the connecting rod (31) is provided with a threaded abutment (32), which is press-fitted with the inner wall of the connecting post (21). The abutment (32) has an inclined guide surface (33) facing the entrance of the connecting post (21). The fastener (3) has a structure that prevents tool operation.

2. The anti-tamper structure for the insert plate according to claim 1, characterized in that: One end face of the protruding post (11) is provided with a countersunk hole (12) for accommodating the connecting post (21), and the other end face is provided with a blind hole (13) for accommodating the fastener (3).

3. The anti-tamper structure for the insert plate according to claim 2, characterized in that: The outer wall of the connecting post (21) is provided with a plurality of vertically arranged reinforcing parts (22) that abut against the end face of the protruding post (11). The connecting post (21) is provided with a connecting hole (23) for the connecting rod (31) to be inserted.

4. The anti-tamper structure for the insert plate according to claim 1, characterized in that: The end of the connecting rod (31) is provided with an assembly guide slope (34).

5. The anti-tamper structure for the insert plate according to claim 1, characterized in that: The structure with anti-tool operation is configured such that the fastener (3) has a smooth surface without grooves.

Citation Information

Patent Citations

  • Anti-disassembly structure and socket

    CN217545032U