High-strength tamper-resistant automotive nut

Abstract

This utility model discloses a high-strength, tamper-proof automotive nut, comprising a base, a fixing ring at the center of the upper part of the base, a hexagonal fixing block on the outer side of the fixing ring, and a clearance groove on the side of the hexagonal fixing block away from the first mounting groove. A threaded rod is inserted between the first mounting groove and the clearance groove. A movable block is located at one end of the threaded rod within the first mounting groove. A push block is located above the movable block, and the movable block is movably connected to the push block via a connecting rod. A first push rod is fixedly connected to the top of the push block. The upper end of the first push rod extends into the interior of a second mounting groove, where a second push rod is located. A guide groove matching the second mounting groove is formed at the upper end of the fixing ring, and a positioning block is located within the guide groove. This automotive nut has a simple structure, is easy to install, and has low manufacturing cost, possessing high practical value and promising prospects for promotion.

Description

Technical Field

[0001] This utility model relates to the field of automotive nut technology, and in particular to a high-strength, anti-disassembly automotive nut. Background Technology

[0002] In automobile manufacturing and use, nuts, as crucial connecting components, are widely used in various parts of the vehicle body, chassis, and engine. The reliability and safety of their connections directly affect the overall performance and driving safety of the vehicle. Most common automotive nuts are ordinary hexagonal nuts. These nuts have a simple structure and can be installed and removed using a standard hex wrench. While convenient to install, if the nuts become loose or are maliciously removed during vehicle use, it can lead to serious safety accidents. Therefore, we have proposed a high-strength, tamper-proof automotive nut. Utility Model Content

[0003] To address the aforementioned problems, this invention provides a high-strength, anti-disassembly automotive nut. This invention solves the problem that most common automotive nuts are ordinary hexagonal nuts. These nuts have a simple structure and can be installed and removed using a conventional hex wrench. While convenient to install, they can lead to serious safety accidents if they loosen or are maliciously removed during vehicle use.

[0004] This utility model discloses a high-strength, tamper-proof car nut, comprising a base, a fixing ring at the center of the upper part of the base, a hexagonal fixing block on the outer side of the fixing ring, a first mounting groove on the side wall of the hexagonal fixing block near the fixing ring, and a clearance groove on the side of the hexagonal fixing block away from the first mounting groove. A threaded rod is inserted between the first mounting groove and the clearance groove. A movable block is located at one end of the threaded rod in the first mounting groove, and a push block is located above the movable block. The movable block is movably connected to the push block via a connecting rod. A first push rod is fixedly connected to the top of the push block. A second mounting groove is located above the hexagonal fixing block in the first mounting groove. The upper end of the first push rod extends into the second mounting groove. A second push rod is located in the second mounting groove. A guide groove matching the second mounting groove is located at the upper end of the fixing ring. A positioning block is located in the guide groove, and a positioning tooth is located on the side of the positioning block away from the second mounting groove.

[0005] In the above scheme, one end of the threaded rod is fixedly connected to the rotating block inside the clearance groove, and the rotating block is provided with an inner triangular recess.

[0006] In the above scheme, the positioning block is provided with a limiting plate on the side near the second push rod, and the fixing ring is provided with a limiting groove that matches the limiting plate. The limiting plate is fixedly connected to the inner wall of the limiting groove by a spring.

[0007] In the above scheme, a first slider is provided below the movable block, and a first groove matching the first slider is provided on the hexagonal fixed block.

[0008] In the above scheme, a second slider is provided above the second push rod, and a second groove matching the second slider is provided on the hexagonal fixing block.

[0009] In the above scheme, the clearance groove is provided with a sealing cover.

[0010] The advantages and beneficial effects of this utility model are as follows: This utility model provides a high-strength anti-disassembly automotive nut. By setting a threaded rod, a movable block, a push block, a first push rod, a second push rod, and a positioning block with positioning teeth, after installation, rotating the threaded rod can drive the movable block to move. This, in turn, pushes the second push rod through the push block and the first push rod, causing the positioning teeth on the positioning block to tightly engage with the external connecting parts, thus achieving the nut's anti-disassembly function. The rotating block with an internal triangular groove requires a special tool to operate, further improving the anti-disassembly performance. The spring facilitates the positioning block's reset, and the sealing cover protects the internal components. The overall structure is simple, easy to install, and has low manufacturing costs, possessing high practical value and promising prospects for promotion. Attached Figure Description

[0011] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

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

[0013] Figure 2 This is a cross-sectional view of the present invention;

[0014] Figure 3 This is a schematic diagram of part A of the present invention;

[0015] Figure 4 This is a schematic diagram of part B of the present invention.

[0016] In the diagram: 1. Base; 2. Fixing ring; 3. Hexagonal fixing block; 4. First mounting groove; 5. Clearance groove; 6. Rotating block; 7. Threaded rod; 8. Movable block; 9. Connecting rod; 10. Push block; 11. Positioning tooth; 12. First push rod; 13. Second mounting groove; 14. Second push rod; 15. Guide groove; 16. Positioning block; 17. Limiting groove; 18. Limiting plate; 19. Spring; 20. First slider; 21. First slide groove; 22. Second slider; 23. Second slide groove; 24. Sealing cover. Detailed Implementation

[0017] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0018] like Figure 1-4As shown, this utility model is a high-strength anti-disassembly car nut, including a base 1. A fixing ring 2 is provided in the middle of the upper part of the base 1. A hexagonal fixing block 3 is provided on the outer side of the fixing ring 2. The fixing ring 2 and the hexagonal fixing block 3 are fixedly welded. A first mounting groove 4 is provided on the side wall of the hexagonal fixing block 3 near the fixing ring 2. An avoidance groove 5 is provided on the side of the hexagonal fixing block 3 away from the first mounting groove 4. A threaded rod 7 is inserted between the first mounting groove 4 and the avoidance groove 5. The two ends of the threaded rod 7 are respectively movably connected to the hexagonal fixing block 3 and the inner wall of the first mounting groove 4. A movable block 8 is provided at one end of the threaded rod 7 located in the first mounting groove 4. The movable block 8 is threadedly connected to the threaded rod 7. A push block 10 is provided above the movable block 8. The movable block 8 is movably connected to the push block 10 through a connecting rod 9. The two ends of the connecting rod 9 are respectively movably connected to the movable block 8 and the push block 10 through U-shaped seats. A first push rod 12 is fixedly connected above the push block 10. A second mounting groove 13 is provided above the hexagonal fixing block 3 located in the first mounting groove 4. A push rod 12 extends into the second mounting groove 13, where a second push rod 14 is located. The first push rod 12 and the second push rod 14 have matching inclined surfaces on their respective sides. The upper end of the fixing ring 2 has a guide groove 15 matching the second mounting groove 13. A positioning block 16 is located within the guide groove 15. The positioning block 16 has positioning teeth 11 on its side away from the second mounting groove 13. When the threaded rod 7 is rotated, the movable block 8 on the threaded rod 7 can move along the threaded rod 7. The reciprocating movement in the horizontal direction, transmitted by the connecting rod 9, causes the push block 10 to move accordingly. When the push block 10 moves upward, it pushes the first push rod 12, which in turn pushes the second push rod 14 laterally. The second push rod 14 then pushes the positioning block 16, which in turn drives the positioning teeth 11 to move toward the bolt. The positioning teeth 11 then engage with the bolt, thereby locking the bolt through the mutual cooperation between the positioning teeth 11 and the bolt, thus achieving the purpose of preventing disassembly.

[0019] The threaded rod 7 is fixedly connected to the rotating block 6 at one end within the clearance groove 5. The rotating block 6 has an inner triangular countersunk groove. By setting the rotating block 6 with the inner triangular countersunk groove, a special inner triangular wrench is required to rotate the threaded rod 7, which further improves the anti-disassembly performance of the nut and avoids disassembly using conventional tools.

[0020] The positioning block 16 is provided with a limiting plate 18 near the second push rod 14. The fixing ring 2 has a limiting groove 17 that matches the limiting plate 18. The limiting plate 18 is fixedly connected to the inner wall of the limiting groove 17 by a spring 19. The cooperation between the limiting plate 18 and the limiting groove 17 can guide the movement of the positioning block 16 and ensure the stability of the movement of the positioning block 16. The spring 19 can automatically reset the positioning block 16 under the elastic force of the spring 19 when it is necessary to release the positioning.

[0021] The movable block 8 is provided with a first slider 20 below it, and the hexagonal fixed block 3 is provided with a first groove 21 that matches the first slider 20. The cooperation between the first slider 20 and the first groove 21 can guide and limit the movement of the movable block 8, prevent the movable block 8 from deviating during the movement, and ensure that the movable block 8 drives the push block 10 and the first push rod 12 to move stably.

[0022] A second slider 22 is provided above the second push rod 14, and a second groove 23 matching the second slider 22 is provided on the hexagonal fixing block 3. The cooperation of the second slider 22 and the second groove 23 can guide the movement of the second push rod 14, ensuring that the second push rod 14 can accurately push the positioning block 16 to move.

[0023] The clearance groove 5 is provided with a sealing cover 24. The sealing cover 24 can seal and protect the rotating block 6 and the threaded rod 7 in the clearance groove 5, preventing dust, impurities and other contaminants from entering the clearance groove 5 and affecting the rotation of the threaded rod 7. At the same time, it can also play a certain role in preventing disassembly and prevent the rotating block 6 from being easily contacted.

[0024] Specifically, in this invention, when installing the nut, firstly, a conventional hexagonal wrench is used to tighten the hexagonal fixing block 3, initially fixing the nut to the external connecting parts. Then, the sealing cover 24 is opened, and a special internal triangular wrench is inserted into the internal triangular groove of the rotating block 6. The rotating block 6 is rotated, which drives the threaded rod 7 to rotate. Since the threaded rod 7 is threadedly connected to the hexagonal fixing block 3, the threaded rod 7 moves into the first mounting groove 4 while rotating, pushing the movable block 8 towards the fixing ring 2. When the movable block 8 moves, the connecting rod 9 pushes the push block 10 upward, which in turn drives the first push rod 12 upward. The first push rod 12 pushes the second push rod 14 towards the guide groove 15, and the second push rod 14 pushes the positioning block 16 to move. This causes the positioning teeth 11 on the positioning block 16 to extend out of the guide groove 15 and engage tightly with the groove on the external connector, thus achieving anti-disassembly fixing of the nut. At this time, the sealing cover 24 is closed, and the installation of the nut is completed. When the nut needs to be disassembled, first open the sealing cover 24, and use a special internal triangular wrench to rotate the rotating block 6 in the opposite direction, causing the threaded rod 7 to move towards the clearance groove 5. The movable block 8 moves away from the fixing ring 2 under the drive of the threaded rod 7. The connecting rod 9 pulls the push block 10 downward, and the first push rod 12 no longer applies a pushing force to the second push rod 14. The positioning block 16 is reset under the elastic force of the spring 19, and the positioning teeth 11 retract into the guide groove 15. Then, a hex wrench can be used to remove the nut.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-strength tamper-resistant automotive nut comprising a base (1), characterized in that, A fixing ring (2) is provided at the center of the upper part of the base (1). A hexagonal fixing block (3) is provided on the outer side of the fixing ring (2). A first mounting groove (4) is provided on the side wall of the hexagonal fixing block (3) near the fixing ring (2). A clearance groove (5) is provided on the side of the hexagonal fixing block (3) away from the first mounting groove (4). A threaded rod (7) is inserted between the first mounting groove (4) and the clearance groove (5). A movable block (8) is provided at one end of the threaded rod (7) located in the first mounting groove (4). A push block (10) is provided above the movable block (8). The movable block (8) is connected to the push block through a connecting rod (9). (10) Movable connection, the push block (10) is fixedly connected to the first push rod (12) above, the hexagonal fixing block (3) is located above the first mounting groove (4) and has a second mounting groove (13), the upper end of the first push rod (12) extends into the second mounting groove (13), the second mounting groove (13) has a second push rod (14), the upper end of the fixing ring (2) has a guide groove (15) matching the second mounting groove (13), the guide groove (15) has a positioning block (16), the positioning block (16) has a positioning tooth (11) on the side away from the second mounting groove (13).

2. A high strength tamper resistant automotive nut according to claim 1, wherein, The threaded rod (7) is located inside the clearance groove (5) and is fixedly connected to the rotating block (6). The rotating block (6) has an inner triangular recess.

3. A high strength tamper resistant automotive nut according to claim 1, wherein, The positioning block (16) is provided with a limiting plate (18) on the side near the second push rod (14). The fixing ring (2) is provided with a limiting groove (17) that matches the limiting plate (18). The limiting plate (18) is fixedly connected to the inner wall of the limiting groove (17) by a spring (19).

4. A high strength tamper resistant automotive nut according to claim 1, wherein, The movable block (8) is provided with a first slider (20) below it, and the hexagonal fixed block (3) is provided with a first groove (21) that matches the first slider (20).

5. A high strength tamper resistant automotive nut according to claim 1, wherein, A second slider (22) is provided above the second push rod (14), and a second groove (23) matching the second slider (22) is provided on the hexagonal fixing block (3).

6. A high strength tamper resistant automotive nut according to claim 1, wherein, The clearance groove (5) is provided with a sealing cover (24).

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