Ground wire screw fixing structure of case equipment

The design of the grounding screw fixing component solves the problem of mismatched grounding screw models, achieving stable fixing and preventing loosening of the grounding screw. The installation process is simple and does not damage the equipment casing.

CN224139240UActive Publication Date: 2026-04-17XIAMEN COSTCO ELECTRONIC IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XIAMEN COSTCO ELECTRONIC IND CO LTD
Filing Date
2025-04-17
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The existing equipment casings have different pre-drilled holes for grounding wires, which cannot accommodate various types of grounding screws, and may lead to the grounding screws becoming loose later.

Method used

The grounding screw fixing assembly includes a grounding screw fixing post, a barrier groove, a limiting groove, a threaded disc on the end face, and an arc-shaped clamping plate. Through the threaded connection and the clamping action of the arc-shaped clamping plate, it can accommodate grounding screws of different diameters and prevent loosening.

Benefits of technology

It achieves stable fixing of grounding screws of different diameters, prevents loosening, and is easy to install without damaging the equipment casing.

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Abstract

The utility model discloses a ground wire screw fixing structure of case equipment, which relates to the technical field of ground wire screws, and adopts the technical scheme that the ground wire screw fixing structure comprises an equipment shell, a fixing inner stud is inserted into one side of the equipment shell, and a ground wire screw fixing assembly is inserted into the fixing inner stud; the ground wire screw fixing assembly comprises a ground wire screw fixing column, an obstacle avoidance groove is formed in the ground wire screw fixing column, a connecting external thread is arranged outside the ground wire screw fixing column, and a plurality of limiting grooves are formed in the obstacle avoidance groove. The ground wire screw fixing structure of the case equipment has the advantages that the ground wire screw fixing structure can adapt to ground wire screws with different diameters by adjusting the clamping degree of the arc-shaped clamping plates, the problems that ground wire preformed holes of an equipment shell are different, and the models of the ground wire screws are not matched are solved, the multiple arc-shaped clamping plates synchronously move towards the center, uniform clamping force is formed on the ground wire screws, and the clamping effect is good. And the ground wire screw is effectively prevented from loosening in the use process.
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Description

Technical Field

[0001] This utility model relates to the field of grounding screw technology, specifically to a grounding screw fixing structure for chassis equipment. Background Technology

[0002] To prevent leakage current from the equipment casing, a ground wire is usually connected to the casing. During the installation of the ground wire, it is usually necessary to use fastening screws to connect the terminals of the ground wire to other components to be connected, so as to fix the ground wire terminals and facilitate the other end of the ground wire to extend out of the casing and connect to the ground.

[0003] The existing equipment casings have different pre-drilled holes for grounding wires, which cannot accommodate various types of grounding screws, making it easy for the grounding screws to loosen later. Therefore, a grounding screw fixing structure for the equipment casing is needed that can facilitate the passage of the grounding screw and fix the grounding thread itself to prevent the grounding screw from loosening later. Utility Model Content

[0004] To address this issue, this utility model provides a grounding screw fixing structure for chassis equipment. By using a grounding screw fixing component, it solves the problem that different types of grounding screws cannot be accommodated due to different pre-drilled holes on the equipment casing, which can easily lead to the grounding screws becoming loose later.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a grounding screw fixing structure for a chassis device, comprising a device housing, a fixing internal stud inserted into one side of the device housing, a grounding screw fixing assembly inserted inside the fixing internal stud, the grounding screw fixing assembly including a grounding screw fixing post, an obstacle avoidance groove formed inside the grounding screw fixing post, an external connecting thread formed outside the grounding screw fixing post, multiple limiting grooves formed inside the obstacle avoidance groove, an end-face threaded disc formed inside the obstacle avoidance groove, a turntable fixedly sleeved outside the end-face threaded disc, and multiple fixing units formed on one side of the turntable.

[0006] Preferably, the fixing unit includes an end face threaded block, a connecting block is fixedly provided on one side of the end face threaded block, and an arc-shaped clamping plate is fixedly provided on one end of the connecting block.

[0007] Preferably, the fixed internal stud penetrates through the equipment housing and is fixedly connected to the equipment housing.

[0008] Preferably, the external thread extends into the interior of the fixed internal stud and is slidably connected to the fixed internal stud.

[0009] Preferably, the end face threaded disc is disposed inside the obstacle avoidance groove and is connected to the obstacle avoidance groove via a bearing.

[0010] Preferably, the end face threaded block contacts the end face threaded disc and is connected to the end face threaded disc by threads.

[0011] Preferably, the connecting block passes through the limiting groove and is slidably connected to the limiting groove.

[0012] The present invention has the following advantages:

[0013] 1. By adjusting the clamping degree of the arc-shaped clamping plates, grounding screws of different diameters can be adapted, solving the problems of different grounding holes on the equipment shell and mismatched grounding screw models. Multiple arc-shaped clamping plates move synchronously towards the center, forming a uniform clamping force on the grounding screws, effectively preventing the grounding screws from loosening during use.

[0014] 2. The grounding screw fixing assembly is connected to the fixing internal stud via the external thread. The installation process is simple and quick, requiring no complicated tools or operations. Since the grounding screw fixing assembly is fixed to the equipment housing through a threaded connection, and the clamping action of the arc-shaped clamp is completed inside the grounding screw fixing stud, no marks or damage will be left on the outside of the equipment housing after the grounding screw is fixed. Attached Figure Description

[0015] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0017] Figure 1 The front perspective view provided for this utility model;

[0018] Figure 2 Right-side perspective view provided for this utility model;

[0019] Figure 3 Partial sectional perspective view provided for this utility model;

[0020] Figure 4 Exploded perspective view of the connection relationship at the grounding screw fixing assembly provided by this utility model;

[0021] Figure 5 Exploded perspective view of the grounding screw fixing assembly provided by this utility model;

[0022] Figure 6 A partial sectional perspective view of the grounding screw fixing assembly provided by this utility model.

[0023] In the diagram: 1 Equipment housing, 2 Fixed internal stud, 3 Grounding screw fixing assembly, 31 Grounding screw fixing post, 32 Obstacle avoidance groove, 33 Connecting external thread, 34 Limiting groove, 35 End face threaded disc, 36 Turntable, 37 End face threaded block, 38 Connecting block, 39 Arc-shaped clamp. Detailed Implementation

[0024] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. 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] See attached document Figure 1 - Appendix Figure 6 The present invention provides a grounding screw fixing structure for a chassis device, including a device shell 1, a fixing internal stud 2 inserted into one side of the device shell 1, a grounding screw fixing assembly 3 inserted into the fixing internal stud 2, the grounding screw fixing assembly 3 including a grounding screw fixing post 31, an obstacle avoidance groove 32 inside the grounding screw fixing post 31, an external connecting thread 33 outside the grounding screw fixing post 31, a plurality of limiting grooves 34 inside the obstacle avoidance groove 32, an end face threaded disc 35 inside the obstacle avoidance groove 32, a turntable 36 fixedly sleeved outside the end face threaded disc 35, and a plurality of fixing units on one side of the turntable 36;

[0026] In this implementation scheme, in order to be able to adapt to various types of grounding screws and prevent the grounding screws from loosening later, the grounding screw is passed through the grounding screw fixing post 31, and the turntable 36 is rotated clockwise. The rotation of the turntable 36 drives the end face threaded plate 35 to rotate. The rotation of the end face threaded plate 35 drives the fixing unit to move through the end face thread. The arc-shaped clamping plates 39 in the multiple fixing units move synchronously towards the center, thereby clamping and fixing the grounding screw that has passed through. This makes it easy to fix grounding screws of different diameters and prevents the grounding screw from loosening due to mismatch with the grounding reserved hole.

[0027] To achieve the synchronous movement of multiple arc-shaped clamping plates 39, the device employs the following technical solution: The fixing unit includes an end-face threaded block 37, a connecting block 38 is fixedly provided on one side of the end-face threaded block 37, and an arc-shaped clamping plate 39 is fixedly provided on one end of the connecting block 38. The end-face threaded block 37 contacts the end-face threaded disc 35 and is threadedly connected to the end-face threaded disc 35. The connecting block 38 passes through the limiting groove 34 and is slidably connected to the limiting groove 34. The rotation of the end-face threaded disc 35 drives the multiple end-face threaded blocks 37 to move through the end-face thread. The movement of the multiple end-face threaded blocks 37 drives the arc-shaped clamping plates 39 to move through the connecting block 38. The multiple arc-shaped clamping plates 39 move synchronously towards the center, thereby clamping and fixing the grounding screw that passes through.

[0028] In order to facilitate the fixing of the grounding screw fixing assembly 3, the device adopts the following technical solution: the fixing internal stud 2 penetrates through the equipment shell 1 and is fixedly connected to the equipment shell 1; the connecting external thread 33 extends into the interior of the fixing internal stud 2 and is slidably connected to the fixing internal stud 2; the end face threaded disc 35 is located inside the obstacle avoidance groove 32 and is connected to the obstacle avoidance groove 32 through a bearing; the fixing internal stud 2 is fixed to the equipment shell using existing technology; and the grounding screw fixing assembly 3 is fixed to the fixing internal stud 2 by clockwise screwing the connecting external thread 33 into the interior of the fixing internal stud 2.

[0029] The usage process of this utility model is as follows: When using this utility model, the fixed internal stud 2 is fixed to the equipment shell using existing technology. The ground screw fixing assembly 3 is screwed into the fixed internal stud 2 clockwise through the connecting external thread 33 and fixed to the fixed internal stud 2. The ground screw is passed through the ground screw fixing post 31. The turntable 36 is rotated clockwise. The rotation of the turntable 36 drives the end face threaded disc 35 to rotate. The rotation of the end face threaded disc 35 drives multiple end face threaded blocks 37 to move through the end face thread. The movement of multiple end face threaded blocks 37 drives the arc-shaped clamping plate 39 to move through the connecting block 38. The multiple arc-shaped clamping plates 39 move synchronously towards the center, thereby clamping and fixing the ground screw that has passed through. This achieves the purpose of facilitating the fixing of ground screws of different diameters and preventing the ground screw from becoming loose due to mismatch with the ground wire reserved hole.

[0030] The above are merely preferred embodiments of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.

Claims

1. A ground screw fixing structure of a chassis device, comprising a device housing (1), characterized in that: A fixed internal stud (2) is inserted into one side of the equipment housing (1). A grounding screw fixing assembly (3) is inserted into the fixed internal stud (2). The grounding screw fixing assembly (3) includes a grounding screw fixing post (31). An obstacle avoidance groove (32) is provided inside the grounding screw fixing post (31). An external thread (33) is provided on the outside of the grounding screw fixing post (31). Multiple limiting grooves (34) are provided inside the obstacle avoidance groove (32). An end face threaded disc (35) is provided inside the obstacle avoidance groove (32). A turntable (36) is fixedly sleeved on the outside of the end face threaded disc (35). Multiple fixing units are provided on one side of the turntable (36).

2. The ground screw fixing structure of a chassis apparatus according to claim 1, characterized by: The fixing unit includes an end face threaded block (37), a connecting block (38) is fixedly provided on one side of the end face threaded block (37), and an arc-shaped clamping plate (39) is fixedly provided on one end of the connecting block (38).

3. The ground screw fixing structure of a chassis apparatus according to claim 1, characterized by: The fixed internal stud (2) penetrates the equipment housing (1) and is fixedly connected to the equipment housing (1).

4. The ground screw fixing structure of a chassis apparatus according to claim 1, characterized by: The external thread (33) extends into the interior of the fixed internal stud (2) and is slidably connected to the fixed internal stud (2).

5. The ground screw fixing structure of a chassis apparatus according to claim 1, characterized by: The end face threaded disc (35) is located inside the obstacle avoidance groove (32) and is connected to the obstacle avoidance groove (32) through a bearing.

6. The ground screw fixing structure of a chassis apparatus according to claim 2, characterized by: The end face threaded block (37) contacts the end face threaded disc (35) and is connected to the end face threaded disc (35) by threads.

7. The ground screw fixing structure of a chassis apparatus according to claim 2, characterized by: The connecting block (38) passes through the limiting groove (34) and is slidably connected to the limiting groove (34).