A CPU backplane assembly push block snap-fit ​​full-coverage nut fixing structure

By combining a push-block buckle with a plastic injection molding process and an anti-rotation and anti-detachment structure, the problem of complex and insufficient strength in fixing the nuts of the CPU backplane assembly is solved, achieving a stable connection of the nuts and preventing the nuts from falling off and the structure from being damaged.

CN224283175UActive Publication Date: 2026-05-26JINGRUI ELECTRONICS (DONGGUAN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINGRUI ELECTRONICS (DONGGUAN) CO LTD
Filing Date
2025-07-07
Publication Date
2026-05-26

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Abstract

This utility model discloses a CPU backplane assembly push block buckle fully enclosed nut fixing structure, including a push block buckle and a nut fixed on the push block buckle. The push block buckle is injection molded from plastic and includes a push block. The nut is fixedly set on the front of the push block. A side plate is fixedly connected to the outer periphery of the back of the push block. Both sides of one end of the push block are fixedly connected to the buckle claws. A rectangular groove is opened in the middle of the back of the push block, and a rectangular opening is opened in the middle of the side plate. The rectangular opening overlaps with the rectangular groove. In this CPU backplane assembly push block buckle fully enclosed nut fixing structure, the nut head is fully enclosed in the plastic of the push block buckle, and the nut head is provided with an anti-rotation structure and an anti-dislodgement structure. The anti-rotation structure and the anti-dislodgement structure are mechanically interlocked to prevent the nut from falling out. At the same time, it can ensure the overall structural strength and prevent the nut from rotating when tightening the screw during installation, reducing the product scrap caused by the nut falling out, resulting in rework and cost losses.
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Description

Technical Field

[0001] This utility model relates to the field of CPU backplate fixing technology, specifically a CPU backplate assembly push block buckle full-coverage nut fixing structure. Background Technology

[0002] Currently, there are different types of push-block clip nuts used to fix CPU backplane components on the market. Some are assembled nuts, but these have complex structures, are labor-intensive, and lack sufficient strength, making them prone to damage. Another type is a semi-embedded push-block clip with internal injection molding, but this structure makes the nuts prone to coming loose and falling off, affecting later use. Utility Model Content

[0003] The purpose of this utility model is to provide a CPU backplane assembly push block buckle fully enclosed nut fixing structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a CPU backplane assembly push block buckle fully enclosed nut fixing structure, including a push block buckle and a nut fixed on the push block buckle. The push block buckle is injection molded from plastic and includes a push block. The nut is fixedly disposed on the front side of the push block. A side plate is fixedly connected to the outer periphery of the back side of the push block. Claws are fixedly connected to both sides of one end of the push block. A rectangular groove is formed in the middle of the back side of the push block, and a rectangular opening is formed in the middle of the side plate. The rectangular opening overlaps with the rectangular groove. An anti-rotation structure is fixedly installed at the connection between the nut and the push block buckle. The anti-rotation structure is fitted with an anti-disengagement structure that is wrapped inside the push block buckle. The push block buckle is injection molded from plastic. The head of the nut is completely enclosed in the plastic of the push block buckle. The head of the nut is equipped with both the anti-rotation structure and the anti-disengagement structure. The anti-rotation structure and the anti-disengagement structure are mechanically interlocked to prevent the nut from falling out of the push block. At the same time, it can ensure the overall structural strength and prevent the nut from rotating when tightening the screw during installation. The push block buckle consists of a push block and a side plate. The push block is installed and fixed by two latches and is limited and fixed by a rectangular groove.

[0005] Preferably, anti-slip protrusions are fixedly provided on both sides of the push block and both sides of the side plate, and the anti-slip protrusions play an anti-slip role.

[0006] Preferably, the inner wall of the rectangular groove has two fixing holes, which are symmetrically arranged. Two fixing posts are fixedly installed on the anti-detachment structure, and the two fixing posts are respectively engaged with the two fixing holes to fix the anti-detachment structure.

[0007] Preferably, rectangular channels are provided at both ends of the connection between the push block and the side plate to reduce the amount of material used for the push block buckle and reduce production costs.

[0008] Preferably, the two rectangular channels are respectively connected to both ends of the rectangular groove.

[0009] Preferably, a reinforcing plate is fixedly provided on each of the four sides of the rectangular groove. The reinforcing plate includes a base layer, and a surface layer is fixedly connected to one side of the base layer. The base layer is made of PVC, and the surface layer is made of stainless steel. The reinforcing plate is hot-melt fixed to the push block buckle to increase the structural strength of the push block buckle and avoid the plastic from tearing due to screw torque, which could cause mechanical interlock failure.

[0010] Preferably, the anti-rotation structure and the nut are integrally formed. The surface of the anti-rotation structure is provided with several locking teeth. The anti-loosening structure is a hexagonal structure. The center of the anti-loosening structure is provided with an anti-rotation hole. The inner wall of the anti-rotation hole is provided with several tooth grooves. The locking teeth of the anti-rotation structure respectively engage with the tooth grooves in the anti-rotation hole to prevent the nut from falling off and rotating.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the nut head is fully enclosed in the push block snap-fit ​​plastic, and the nut head is provided with an anti-rotation structure and an anti-disengagement structure. The anti-rotation structure and the anti-disengagement structure are mechanically interlocked to prevent the nut from falling out, thereby reducing product scrap and the resulting rework and cost losses caused by the nut falling out. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the push block buckle structure of this utility model;

[0014] Figure 3 This is a front view of the present utility model;

[0015] Figure 4 This is a rear view of the present invention;

[0016] Figure 5 This is a bottom view of the present invention;

[0017] Figure 6 This is a cross-sectional view of the present invention;

[0018] Figure 7 This is a schematic diagram of the structure of the reinforcing plate of this utility model;

[0019] Figure 8 This is a schematic diagram of the nut and anti-loosening structure of this utility model;

[0020] Figure 9 This is a schematic diagram of the nut and anti-rotation structure of this utility model;

[0021] Figure 10This is a bottom view of the anti-detachment structure of this utility model.

[0022] In the diagram: 1. Push block buckle; 2. Nut; 3. Side plate; 4. Claw; 5. Rectangular groove; 6. Fixing hole; 7. Anti-slip protrusion; 8. Rectangular channel; 9. Rectangular opening; 10. Push block; 11. Reinforcing plate; 12. Base layer; 13. Surface layer; 14. Anti-rotation structure; 15. Anti-detachment structure; 16. Fixing post; 17. Anti-rotation hole. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0024] Please see Figure 1-10 This utility model provides a CPU backplane assembly push block buckle fully enclosed nut fixing structure, including push block buckle 1 and nut 2 fixed on push block buckle 1. Push block buckle 1 is injection molded from plastic and includes push block 10. Nut 2 is fixedly set on the front of push block 10. Side plate 3 is fixedly connected to the outer periphery of the back of push block 10. Claws 4 are fixedly connected to both sides of one end of push block 10. A rectangular groove 5 is opened in the middle of the back of push block 10. A rectangular opening 9 is opened in the middle of the side plate 3. The rectangular opening 9 overlaps with the rectangular groove 5. An anti-rotation structure 14 is fixedly set at the connection between nut 2 and push block buckle 1. An anti-disengagement structure 15 is sleeved on the anti-rotation structure 14 and wrapped inside push block buckle 1. The head of nut 2 is fully enclosed inside the plastic of push block buckle 1 to prevent nut 2 from falling out.

[0025] Anti-slip protrusions 7 are fixedly provided on both sides of the push block 10 and both sides of the side plate 3, and the anti-slip protrusions 7 play an anti-slip role.

[0026] Two fixing holes 6 are provided on the inner wall of the rectangular groove 5. The two fixing holes 6 are symmetrically arranged. Two fixing posts 16 are fixedly installed on the anti-detachment structure 15. The two fixing posts 16 are respectively engaged with the two fixing holes 6 to fix the anti-detachment structure.

[0027] Rectangular channels 8 are provided at both ends of the connection between the push block 10 and the side plate 3. The two rectangular channels 8 are respectively connected to the two ends of the rectangular groove 5, which reduces the amount of material used in the push block buckle 1 and reduces production costs.

[0028] Reinforcing plates 11 are fixedly installed on all four sides of the rectangular groove 5. The reinforcing plates 11 include a base layer 12. A surface layer 13 is fixedly connected to one side of the base layer 12. The base layer 12 is made of PVC and the surface layer 13 is made of stainless steel. The reinforcing plates 11 are hot-melted and fixed to the push block buckle 1 to increase the structural strength of the push block buckle 1 and prevent the plastic from tearing due to screw torque and the failure of mechanical interlock.

[0029] The anti-rotation structure 14 and the nut 2 are integrally formed. The surface of the anti-rotation structure 14 is provided with several locking teeth. The anti-disengagement structure 15 is a hexagonal structure. The center of the anti-disengagement structure 15 is provided with an anti-rotation hole 17. The inner wall of the anti-rotation hole 17 is provided with several tooth grooves. The locking teeth of the anti-rotation structure 14 respectively engage with the tooth grooves in the anti-rotation hole 17 to prevent the nut 2 from falling off and rotating.

[0030] In this embodiment of the application, the push block buckle 1 is injection molded from plastic, and the nut 2 is a standard hardware part. The nut 2 is injection molded by placing it in the plastic mold of the push block buckle 1. The nut 2 is embedded in the plastic surrounding of the push block buckle 1 and fixes the head. The head of the nut 2 is provided with an anti-rotation structure 14 and an anti-detachment structure 15. The anti-detachment structure 15 is integrated with the cast plastic to fix it. The anti-detachment structure 15 and the anti-rotation structure 14 form a mechanical interlock, which plays the role of preventing detachment and preventing rotation, ensuring that the nut 2 will not fall out.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A CPU backplane assembly push block buckle fully enclosed nut fixing structure, comprising a push block buckle (1) and a nut (2) fixed on the push block buckle (1), characterized in that: The push block buckle (1) is injection molded from plastic. The push block buckle (1) includes a push block (10). The nut (2) is fixedly set on the front of the push block (10). A side plate (3) is fixedly connected to the outer periphery of the back of the push block (10). Both sides of one end of the push block (10) are fixedly connected to the buckle claws (4). A rectangular groove (5) is opened in the middle of the back of the push block (10). A rectangular opening (9) is opened in the middle of the side plate (3). The rectangular opening (9) overlaps with the rectangular groove (5). An anti-rotation structure (14) is fixedly set at the connection between the nut (2) and the push block buckle (1). An anti-disengagement structure (15) is sleeved on the anti-rotation structure (14) and wrapped inside the push block buckle (1).

2. The CPU backplane assembly push block buckle full-coverage nut fixing structure according to claim 1, characterized in that: Anti-slip protrusions (7) are fixedly provided on both sides of the push block (10) and both sides of the side plate (3).

3. The CPU backplane assembly push block buckle full-coverage nut fixing structure according to claim 1, characterized in that: The inner wall of the rectangular groove (5) has two fixing holes (6) which are symmetrically arranged. Two fixing posts (16) are fixedly arranged on the anti-detachment structure (15), and the two fixing posts (16) are respectively engaged and connected with the two fixing holes (6).

4. The CPU backplane assembly push block buckle full-coverage nut fixing structure according to claim 1, characterized in that: Rectangular channels (8) are provided at both ends of the connection between the push block (10) and the side plate (3).

5. The CPU backplane assembly push block buckle fully enclosed nut fixing structure according to claim 4, characterized in that: The two rectangular channels (8) are respectively connected to the two ends of the rectangular groove (5).

6. The CPU backplane assembly push block buckle full-coverage nut fixing structure according to claim 1, characterized in that: The rectangular groove (5) is fixedly provided with reinforcing plates (11) on all four sides. The reinforcing plates (11) include a base layer (12). A surface layer (13) is fixedly connected to one side of the base layer (12). The base layer (12) is made of PVC and the surface layer (13) is made of stainless steel.

7. The CPU backplane assembly push block buckle full-coverage nut fixing structure according to claim 1, characterized in that: The anti-rotation structure (14) and the nut (2) are integrally formed. The surface of the anti-rotation structure (14) is provided with several locking teeth. The anti-detachment structure (15) is a hexagonal structure. The anti-detachment structure (15) is provided with an anti-rotation hole (17) in the middle. The inner wall of the anti-rotation hole (17) is provided with several tooth grooves. The locking teeth of the anti-rotation structure (14) respectively engage with the tooth grooves in the anti-rotation hole (17).