A type of automotive sliding groove limit ring nut
By setting a limiting rod and a limiting groove on the nut, the problem of loosening of traditional nuts under vibration and impact is solved, and a stable connection between the nut and the bolt is achieved, ensuring reliability and safety in dynamic environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO ZHENGYI FASTENER CO LTD
- Filing Date
- 2025-09-12
- Publication Date
- 2026-06-30
AI Technical Summary
Traditional automotive nuts are prone to loosening under vibration and impact, resulting in weak connections, affecting component function and increasing the risk of accidents, especially in dynamic environments, where existing technology lacks effective anti-loosening designs.
A sliding groove limit ring nut for automobiles was designed. By setting a limit rod and a limit groove on the nut, the limit rod is inserted into the limit groove to limit the nut and prevent it from rotating in the opposite direction. It can be easily disassembled and assembled by combining it with the docking seat of an electric torque wrench.
It effectively prevents nuts from loosening, maintains the stability between nuts and bolts, enhances the stability of the overall connection, and ensures reliability and safety under various working conditions.
Smart Images
Figure CN224433084U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive nut technology, and in particular to an automotive grooved limiting ring nut. Background Technology
[0002] Automotive nuts are fasteners used in automobiles or other mechanical equipment. They are typically used to limit or control the range of movement of components. They are commonly used in automobiles for components such as suspension systems, doors, and seats. They prevent accidental slippage or detachment, improve vehicle safety, and help maintain the stability of components during operation, especially in dynamic environments, reducing vibration and swaying.
[0003] During vehicle operation, traditional nuts may gradually loosen due to vibration and impact, resulting in insecure connections and affecting the normal function of components. Loose nuts may cause failure of critical components (such as suspension systems or seats), increasing the risk of accidents and affecting the safety of occupants. It is very important to use nuts with anti-loosening design to ensure reliability and safety under various working conditions. Therefore, a grooved limit ring nut for vehicles is designed. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a sliding groove limiting ring nut for automobiles.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A vehicle-mounted sliding groove limiting ring nut includes a nut with a protruding structure fixedly connected to its bottom. A limiting washer is provided at the bottom of the protruding structure. The nut has two square grooves, each containing a first movable block that slidably connects to the nut. Each of the two first movable blocks has a first inclined surface on its far side. A second movable block is provided at the bottom of each of the two first inclined surfaces. Each of the two second movable blocks has a second inclined surface on its near side. A fixing rod is fixedly connected to the bottom of each of the two second inclined surfaces. A limiting rod is fixedly connected to the bottom of each of the two fixing rods. The limiting washer has two limiting grooves that fit with the limiting rods. A first spring is sleeved on the fixing rod. Because the limiting rod is inserted into the limiting groove after the nut is tightened for limiting, it provides a limiting mechanism during vehicle operation. When vibration occurs, the cooperation of the limiting rod and the limiting groove can prevent the nut from rotating in the opposite direction, ensuring the stability between the nut and the bolt and preventing the nut from loosening. Simply put the mating seat of the electric torque wrench on the nut to remove the limiting rod from the limiting groove and release the restriction. The operation is simple and easy to disassemble and assemble. It effectively solves the problem mentioned in the background technology that during vehicle operation, due to vibration and impact, the nut may gradually loosen, resulting in an unstable connection, affecting the normal function of the components, and the loose nut may cause the failure of critical components (such as the suspension system or seat), increasing the risk of accidents and affecting the safety of the occupants. It is very important to use nuts with anti-loosening design to ensure reliability and safety under various working conditions. Thus, it achieves the technical effect of effectively limiting the reverse rotation of the nut, effectively maintaining the tightness between the nut and the bolt, preventing loosening, and enhancing the stability of the overall connection.
[0007] As a further embodiment of this utility model, the top of the protruding structure is provided with a groove, a first circular groove, a second circular groove, and a third circular groove. The second moving block is disposed in the groove, the fixing rod is disposed in the second circular groove, the first spring is disposed in the first circular groove, and the third circular groove is adapted to the limiting rod.
[0008] As a further embodiment of this utility model, the fixed rod is slidably connected to the protrusion structure.
[0009] As a further embodiment of this utility model, two guide rods are provided in each of the two square grooves, and the guide rods are fixedly connected to nuts.
[0010] As a further embodiment of this utility model, the guide rod passes through the first movable block, and the first movable block has two guide grooves. The guide grooves are adapted to the guide rod, and the guide rod is disposed in the guide grooves. The first movable block is slidably connected to the guide rod.
[0011] As a further embodiment of this utility model, the guide rod is fitted with a second spring, which is disposed on one side of the first moving block.
[0012] The beneficial effects of this utility model are as follows:
[0013] By employing a technique where the limiting rod is inserted into the limiting groove after the nut is tightened, vibrations during vehicle operation are prevented from causing the nut to rotate in the opposite direction. This ensures the stability between the nut and bolt, prevents the nut from loosening, and allows the limiting rod to be removed from the limiting groove by simply placing the electric torque wrench's mounting bracket on the nut, thus releasing the restriction. The operation is simple and easy to install and remove. This effectively solves the problem mentioned in the background technology that during vehicle operation, vibrations and impacts can cause nuts to gradually loosen, leading to insecure connections, affecting the normal function of components, and potentially causing the failure of critical components (such as the suspension system or seats), increasing the risk of accidents and affecting occupant safety. Using nuts with anti-loosening designs is crucial to ensure reliability and safety under various operating conditions. This technique effectively limits the reverse rotation of the nut, maintains the tightness between the nut and bolt, prevents loosening, and enhances the overall stability of the connection. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of a vehicle-mounted sliding groove limiting ring nut proposed in this utility model;
[0015] Figure 2 This is a partial structural diagram of a vehicle-mounted sliding groove limiting ring nut proposed in this utility model;
[0016] Figure 3 This is a partial cross-sectional structural diagram of a vehicle-mounted sliding groove limiting ring nut proposed in this utility model;
[0017] Figure 4 This is a partial cross-sectional view of the unfolded structure of a sliding groove limiting ring nut for automobiles proposed in this utility model;
[0018] Figure 5 This is a schematic cross-sectional view of the first moving block of a vehicle sliding groove limiting ring nut proposed in this utility model;
[0019] Figure 6 This is a front view of the first moving block of a sliding groove limiting ring nut for vehicles proposed in this utility model.
[0020] In the diagram: 1. Nut; 2. Protruding structure; 3. Limiting washer; 4. Square groove; 5. First moving block; 6. First inclined surface; 7. Second moving block; 8. Second inclined surface; 9. Fixing rod; 10. Limiting rod; 11. Limiting groove; 12. First spring; 13. Groove; 14. First circular groove; 15. Second circular groove; 16. Third circular groove; 17. Guide rod; 18. Second spring; 19. Guide groove. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Reference Figure 1-6 A type of automotive sliding groove limiting ring nut includes a nut 1, a protruding structure 2 fixedly connected to the bottom of the nut 1, a limiting washer 3 provided at the bottom of the protruding structure 2, two square grooves 4 on the nut 1, each square groove 4 containing a first moving block 5, the first moving block 5 slidably connected to the nut 1, each first moving block 5 having a first inclined surface 6 on its far side, each first inclined surface 6 having a second moving block 7 at its bottom, each second moving block 7 having a second inclined surface 8 on its near side, each second inclined surface 8 having a fixed rod 9 fixedly connected to its bottom, each fixed rod 9 having a limiting rod 10 fixedly connected to its bottom, the limiting washer 3 having two limiting grooves 11 adapted to the limiting rod 10, and the fixed rod 9 being fitted with a first spring 12. Because the technology of inserting the limiting rod into the limiting groove after tightening the nut is used for limiting, the nut 1 can be used to limit movement during vehicle operation. When vibration occurs during the process, the cooperation of the limiting rod and the limiting groove can prevent the nut from rotating in the opposite direction, ensuring the stability between the nut and the bolt and preventing the nut from loosening. Simply put the mating seat of the electric torque wrench on the nut to remove the limiting rod from the limiting groove and release the restriction. The operation is simple and easy to disassemble and assemble. It effectively solves the problem mentioned in the background technology that during vehicle operation, due to vibration and impact, the nut may gradually loosen, resulting in an unstable connection, affecting the normal function of the components. A loose nut may cause the failure of critical components (such as the suspension system or seat), increasing the risk of accidents and affecting the safety of the occupants. It is very important to use nuts with anti-loosening design to ensure reliability and safety under various working conditions. Thus, it achieves the technical effect of effectively limiting the reverse rotation of the nut, effectively maintaining the tightness between the nut and the bolt, preventing loosening, and enhancing the stability of the overall connection.
[0023] In this embodiment, the top of the protruding structure 2 is provided with two grooves 13, a first circular groove 14, a second circular groove 15, and a third circular groove 16. The second moving block 7 is disposed in the groove 13, the fixing rod 9 is disposed in the second circular groove 15, the first spring 12 is disposed in the first circular groove 14, and the third circular groove 16 is adapted to the limiting rod 10.
[0024] In this embodiment, the fixed rod 9 is slidably connected to the protruding structure 2. When the fixed rod 9 moves up and down, it will move along the second circular groove 15 to ensure the stability of the fixed rod 9 when it moves up and down.
[0025] In this embodiment, two guide rods 17 are provided in each of the two square grooves 4, and the guide rods 17 are fixedly connected to the nuts 1.
[0026] In this embodiment, the guide rod 17 passes through the first moving block 5. The first moving block 5 has two guide grooves 19. The guide grooves 19 are adapted to the guide rod 17. The guide rod 17 is disposed in the guide groove 19. The first moving block 5 is slidably connected to the guide rod 17. When the first moving block 5 moves, it will move along the guide rod 17 to ensure the stability of the first moving block 5 when it moves.
[0027] In this embodiment, the guide rod 17 is fitted with a second spring 18, which is located on one side of the first moving block 5. By setting the second spring 18, the elastic force of the second spring 18 ensures the stability of the positions of the two first moving blocks 5. Moreover, the elastic force of the second spring 18 is stronger than that of the first spring 12. Without the interference of external forces, the first moving block 5 can move and squeeze the second moving block 7, causing the second moving block 7 to descend.
[0028] Working principle: During use, the limiting washer 3 is welded to the connecting parts on the vehicle. This device requires compatible connecting parts such as bolts. When tightening this device, the limiting rod 10 and the limiting groove 11 are coaxial. When installing this device, the nut 1 is inserted into the mating seat of the electric torque wrench. During insertion, the mating seat of the electric torque wrench will contact the first inclined surface 6. Pressing the protruding structure 2 will move the nut 1. The mating seat will press against the first inclined surface 6, which will bring the two first moving blocks 5 closer together. The first moving blocks 5 will move along the guide rod 17, and the first moving blocks 5 will move closer together. Block 5 compresses the second spring 18, causing it to contract. After the first moving block 5 moves off the second moving block 7, the contracted first spring 12 extends, allowing the second moving block 7 to rise. The second moving block 7 then drives the fixed rod 9 to rise, which in turn drives the limiting rod 10 to rise and move into the third circular groove 16. After placing the nut 1 into the mating seat of the electric torque wrench, the nut 1 is placed on the bolt. Using the electric torque wrench to turn the nut 1, the nut 1 is tightened onto the bolt. When tightening the nut 1, the limiting rod 10 and the limiting groove 11 are coaxial, thus tightening the electric torque wrench. When the torque wrench's mating seat is removed from nut 1, the mating seat no longer applies pressure to the first moving block 5. The retracted second spring 18 then extends, allowing the two first moving blocks 5 to move away from each other. The moving first moving block 5 will then contact the second inclined surface 8 on the second moving block 7. If the first moving block 5 continues to move, it will compress the second moving block 7, causing it to descend. The second moving block 7 will then compress the first spring 12, causing it to retract. The second moving block 7 will also cause the fixing rod 9 to descend, which in turn causes the limiting rod 10 to descend. The 10 rod will move into the limiting groove 11 for limiting. When the vehicle vibrates while driving, the angle between the nut 1 and the limiting washer 3 will not change due to the cooperation between the limiting rod 10 and the limiting groove 11, ensuring the stability between the nut 1 and the bolt and preventing the nut 1 from loosening. When the nut 1 needs to be unscrewed, the docking seat of the electric torque wrench is also put on the nut 1, which will bring the two first moving blocks 5 closer to each other. This will allow the limiting rod 10 to move out of the limiting groove 11 and into the third circular groove 16, so that the nut 1 can be rotated in the opposite direction and unscrewed from the bolt.
[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A sliding groove limiting ring nut for automobiles, comprising a nut (1), characterized in that, The bottom of the nut (1) is fixedly connected to a protruding structure (2), and a limiting washer (3) is provided at the bottom of the protruding structure (2). The nut (1) has two square grooves (4), and a first moving block (5) is provided in each of the two square grooves (4). The first moving block (5) is slidably connected to the nut (1). The two first moving blocks (5) are provided with a first inclined surface (6) on the side away from each other. The bottom of the two first inclined surfaces (6) is provided with a second moving block (7). The two second moving blocks (7) are provided with a second inclined surface (8) on the side close to each other. The bottom of the two second inclined surfaces (8) is fixedly connected to a fixing rod (9). The bottom of the two fixing rods (9) is fixedly connected to a limiting rod (10). The limiting washer (3) has two limiting grooves (11), and the limiting grooves (11) are adapted to the limiting rods (10). The fixing rod (9) is sleeved with a first spring (12).
2. The automotive sliding groove limiting ring nut according to claim 1, characterized in that, The top two sides of the protruding structure (2) are provided with a groove (13), a first circular groove (14), a second circular groove (15), and a third circular groove (16). The second moving block (7) is set in the groove (13), the fixing rod (9) is set in the second circular groove (15), the first spring (12) is set in the first circular groove (14), and the third circular groove (16) is adapted to the limiting rod (10).
3. The automotive sliding groove limiting ring nut according to claim 2, characterized in that, The fixed rod (9) is slidably connected to the protruding structure (2).
4. The automotive sliding groove limiting ring nut according to claim 1, characterized in that, Two guide rods (17) are provided in each of the two square grooves (4), and the guide rods (17) are fixedly connected to nuts (1).
5. The automotive sliding groove limiting ring nut according to claim 4, characterized in that, The guide rod (17) passes through the first moving block (5), and the first moving block (5) has two guide grooves (19). The guide grooves (19) are adapted to the guide rod (17), and the guide rod (17) is set in the guide grooves (19). The first moving block (5) is slidably connected to the guide rod (17).
6. The automotive sliding groove limiting ring nut according to claim 5, characterized in that, The guide rod (17) is fitted with a second spring (18), which is located on one side of the first moving block (5).