Automobile fastener with anti-loosening structure

Abstract

The utility model relates to the technical field of automobile fasteners, and discloses an automobile fastener with an anti-loosening structure, which comprises a shell and a bolt, and the anti-loosening mechanism is fixedly mounted on the inner wall of the shell; the anti-loosening mechanism comprises a mounting sleeve, the side face of the mounting sleeve is fixedly connected with the inner wall of the shell, and a sliding groove is fixedly formed in the inner wall of the mounting sleeve. The limiting block is aligned with the limiting groove, the bolt is inserted into the limiting groove, the bolt is connected with an automobile installation position through the wrench, the limiting block abuts against the limiting groove when the bolt rotates, the rotor and the sliding ring are driven to rotate, then the ratchet wheel is driven to rotate, and after the bolt and the nut are fastened and connected, the connecting rod is further driven to rotate through rotation of the wrench. And then the shifting block installed on the side face of the connecting rod is driven to deflect, then the clamping block is driven to deflect, the abutting direction of the clamping block and the ratchet wheel is changed, limiting is conducted through the reset spring, the situation that the bolt is loosened due to rotation of the bolt caused by vibration is prevented, and the anti-loosening performance of the bolt is improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive fastener technology, specifically to an automotive fastener with an anti-loosening structure. Background Technology

[0002] Automotive fasteners are tools or accessories used to connect automotive parts, and they are crucial in the process of car assembly and repair. Their main function is to ensure the safe and reliable connection of automotive parts, preventing loosening or separation during driving, thereby ensuring driving safety. Depending on their use and shape, automotive fasteners can be divided into various types, such as bolts, nuts, screws, washers, and pins. Today, we'll start by learning about some common standard automotive parts, such as bolts and screws.

[0003] In daily use, high-precision bolts and nuts are usually used to fasten important parts of a car, which can improve the tightness of the connection. However, vibrations occur when the car is in motion, which can cause the nuts to fall off, resulting in a decrease in the stability of the connection and potentially causing safety hazards.

[0004] Therefore, there is a need to provide an automotive fastener with an anti-loosening structure. Utility Model Content

[0005] The purpose of this invention is to provide an automotive fastener with an anti-loosening structure to solve the problem mentioned in the background art where vehicle vibration causes nuts to fall off.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automotive fastener with an anti-loosening structure, comprising a housing and a bolt, wherein an anti-loosening mechanism is fixedly installed on the inner wall of the housing; the anti-loosening mechanism includes an mounting sleeve, the side of which is fixedly connected to the inner wall of the housing, a sliding groove is fixedly opened on the inner wall of the mounting sleeve, a sliding ring is slidably installed on the inner wall of the sliding groove, a rotor is fixedly installed on the side of the sliding ring, a ratchet is fixedly installed on the side of the rotor, a side plate is fixedly installed on the inner wall of the housing, a pin is fixedly installed on the side of the side plate, a locking block is rotatably installed on the side of the pin via a bearing sleeve, and a return spring is fixedly installed on the side of the locking block.

[0007] Preferably, a connecting block is fixedly installed on the inner wall of the outer casing, and the side of the connecting block is fixedly connected to the end face of the reset spring. The number of reset springs is two on one side.

[0008] Preferably, a bearing seat is fixedly installed on the inner wall of the outer shell, a connecting rod is fixedly installed on the inner wall of the bearing seat, and a lever is fixedly installed on the side of the connecting rod, with the side of the lever and the side of the lever in a pressing contact connection.

[0009] Preferably, the connecting rod passes through the outer casing and extends to the outside of the outer casing, and a rotating component is fixedly installed on the end face of the connecting rod.

[0010] Preferably, a switch indicator is fixedly installed on the side of the outer casing, and a through groove is fixedly opened on the inner wall of the rotor, with a limit groove fixedly opened on the inner wall of the through groove.

[0011] Preferably, a fixing ear is fixedly installed on the side of the outer shell, and a buffer pad is fixedly installed on the side of the outer shell.

[0012] Preferably, a limiting block is fixedly installed on the side of the bolt, the side of the limiting block is adapted to the inner wall of the limiting groove, and the ratchet tooth surface engages with the side of the locking block.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1) This automotive fastener with an anti-loosening structure aligns the limiting block with the limiting groove and inserts the bolt. Then, a wrench is used to connect the bolt to the automotive mounting position. When the bolt rotates, the limiting block and the limiting groove abut against each other, causing the rotor and sliding ring to rotate, which in turn causes the ratchet to rotate. As the bolt rotates, it is tightened to the nut. By rotating the wrench, the connecting rod is further rotated, which in turn causes the lever block installed on the side of the connecting rod to deflect, which in turn causes the locking block to deflect, changing the direction of contact with the ratchet. The return spring limits the movement, preventing the bolt from rotating due to vibration, thus improving the anti-loosening performance of the bolt.

[0015] 2) This automotive fastener with an anti-loosening structure can further shift the lever by rotating the rotating part with a wrench, thereby changing the contact block with the ratchet tooth surface. The return spring installed on the side of the block can limit the block to prevent it from disengaging from the ratchet, thus preventing the ratchet from rotating in the opposite direction and preventing the bolt from loosening and falling off due to vibration. This improves the fastening and safety of the device. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an automotive fastener with an anti-loosening structure according to an embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the outer shell in an embodiment of this utility model;

[0018] Figure 3 This is a schematic diagram of the anti-loosening mechanism in an embodiment of this utility model;

[0019] Figure 4 This is a schematic diagram of the ratchet structure in an embodiment of the present invention;

[0020] Figure 5 This is a schematic diagram of the reset spring structure in an embodiment of this utility model;

[0021] Figure 6 This is a schematic diagram of the toggle block structure in an embodiment of the present invention.

[0022] In the diagram: 1. Outer shell; 2. Fixing ear; 3. Anti-loosening mechanism; 301. Mounting sleeve; 302. Sliding ring; 303. Rotor; 304. Ratchet; 305. Limiting groove; 306. Side plate; 307. Pin; 308. Locking block; 309. Return spring; 310. Connecting block; 311. Connecting rod; 312. Bearing seat; 313. Toggle block; 314. Rotating component; 315. Switch indicator; 4. Bolt; 5. Limiting block; 6. Buffer pad. Detailed Implementation

[0023] 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.

[0024] Example 1

[0025] Combination Figures 1-5 An automotive fastener with an anti-loosening structure includes a housing 1 and a bolt 4. An anti-loosening mechanism 3 is fixedly installed on the inner wall of the housing 1. The anti-loosening mechanism 3 includes a mounting sleeve 301, the side of which is fixedly connected to the inner wall of the housing 1. A sliding groove is fixedly opened on the inner wall of the mounting sleeve 301, and a sliding ring 302 is slidably installed on the inner wall of the sliding groove. A rotor 303 is fixedly installed on the side of the sliding ring 302, and a ratchet 304 is fixedly installed on the side of the rotor 303. A side plate 306 is fixedly installed on the inner wall of the housing 1, and a pin 307 is fixedly installed on the side of the side plate 306. A retaining clip is rotatably installed on the side of the pin 307 through a bearing sleeve. Block 308, a return spring 309 is fixedly installed on the side of the locking block 308; a connecting block 310 is fixedly installed on the inner wall of the outer shell 1, the side of the connecting block 310 is fixedly connected to the end face of the return spring 309, and there are two return springs 309 on one side; a bearing seat 312 is fixedly installed on the inner wall of the outer shell 1, a connecting rod 311 is fixedly installed on the inner wall of the bearing seat 312, a lever 313 is fixedly installed on the side of the connecting rod 311, and the side of the lever 313 is pressed and contacted with the side of the locking block 308; the connecting rod 311 passes through the outer shell 1 and extends to the outside of the outer shell 1, and a rotating part 314 is fixedly installed on the end face of the connecting rod 311.

[0026] Specifically, in use, the device is first fixed to the desired installation location on the car using fasteners. Then, the bolt 4 is passed through the through hole on the side of the housing 1, and the limiting block 5 is aligned with the limiting groove 305, with the bolt 4 inserted. Next, a wrench is used to connect the bolt 4 to the car's installation position. When the wrench rotates the bolt 4, the limiting block 5 and the limiting groove 305 abut against each other, causing the rotor 303 and sliding ring 302 to rotate within the mounting sleeve 301. This further rotates the ratchet 304, which in turn moves the locking block 308 to engage the pin. 307 deflects at the center and, through the return spring 309, pushes the locking block 308 toward the ratchet 304. As the bolt 4 rotates and is tightened with the nut, the rotating part 314 is rotated by the wrench, which further drives the connecting rod 311 to rotate. This causes the lever 313 installed on the side of the connecting rod 311 to deflect, which in turn causes the locking block 308 to deflect, changing the direction of contact with the ratchet 304. The return spring 309 limits the movement to prevent the bolt 4 from rotating due to vibration, thus preventing the bolt 4 from loosening.

[0027] Example 2

[0028] See Figures 1-5 Furthermore, a switch indicator 315 is fixedly installed on the side of the outer casing 1; a through groove is fixedly opened on the inner wall of the rotor 303; a limit groove 305 is fixedly opened on the inner wall of the through groove; a fixing ear 2 is fixedly installed on the side of the outer casing 1; a buffer pad 6 is fixedly installed on the side of the outer casing 1; a limit block 5 is fixedly installed on the side of the bolt 4; the side of the limit block 5 is adapted to the inner wall of the limit groove 305; and the tooth surface of the ratchet 304 meshes with the side of the locking block 308.

[0029] Specifically, during use, rotating the rotating part 314 with a wrench can further drive the shifting block 313 to shift via the connecting rod 311, thereby changing the contact block 308 with the tooth surface of the ratchet 304. Furthermore, the return spring 309 installed on the side of the block 308 can limit the block 308, preventing it from disengaging from the ratchet 304 and preventing the ratchet 304 from rotating in the opposite direction. This prevents the bolt 4 from loosening and falling off due to vibration, thus improving the tightness and safety of the device.

[0030] In this embodiment, the connecting block 310 serves to connect and support the reset spring 309; the switch indicator 315 serves as a guide.

[0031] Working principle:

[0032] In use, first, the device is fixed to the desired installation position on the car using fasteners. Then, the bolt 4 is passed through the through hole on the side of the housing 1, and the limiting block 5 is aligned with the limiting groove 305, with the bolt 4 inserted. Next, a wrench is used to connect the bolt 4 to the car's installation position. When the wrench rotates the bolt 4, the limiting block 5 and the limiting groove 305 abut against each other, causing the rotor 303 and sliding ring 302 to rotate on the inner wall of the mounting sleeve 301. This further rotates the ratchet 304, causing the locking block 308 to deflect around the pin 307. The return spring 309 then presses the locking block 308 towards the ratchet 304. As the bolt 4 rotates and is tightened with the nut, the rotating component 314 is rotated by the wrench, further driving the connecting rod 31. Rotating the lever 314 causes the lever 313 mounted on the side of the connecting rod 311 to deflect, which in turn causes the locking block 308 to deflect, changing the direction of contact with the ratchet 304. The locking block 308 is then limited by the return spring 309 to prevent the bolt 4 from rotating due to vibration and thus loosening. Rotating the lever 314 with a wrench can further cause the lever 313 to deflect via the connecting rod 311, thereby changing the contact of the locking block 308 with the teeth of the ratchet 304. The lock block 308 is then limited by the return spring 309 mounted on the side of the locking block 308 to prevent it from disengaging from the ratchet 304. This prevents the ratchet 304 from rotating in the opposite direction and eliminates the possibility of the bolt 4 loosening and falling off due to vibration, thus improving the tightness and safety of the device.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automotive fastener with an anti-loosening structure, comprising a housing (1) and a bolt (4), characterized in that: The inner wall of the outer shell (1) is fixedly installed with an anti-loosening mechanism (3); The anti-loosening mechanism (3) includes a mounting sleeve (301), the side of which is fixedly connected to the inner wall of the outer shell (1). A sliding groove is fixedly opened on the inner wall of the mounting sleeve (301), and a sliding ring (302) is slidably installed on the inner wall of the sliding groove. A rotor (303) is fixedly installed on the side of the sliding ring (302), and a ratchet (304) is fixedly installed on the side of the rotor (303). A side plate (306) is fixedly installed on the inner wall of the outer shell (1), and a pin (307) is fixedly installed on the side of the side plate (306). A locking block (308) is rotatably installed on the side of the pin (307) through a bearing sleeve, and a return spring (309) is fixedly installed on the side of the locking block (308).

2. The automotive fastener with an anti-loosening structure according to claim 1, characterized in that: A connecting block (310) is fixedly installed on the inner wall of the outer shell (1). The side of the connecting block (310) is fixedly connected to the end face of the reset spring (309). There are two reset springs (309) on one side.

3. The automotive fastener with an anti-loosening structure according to claim 1, characterized in that: A bearing seat (312) is fixedly installed on the inner wall of the outer shell (1). A connecting rod (311) is fixedly installed on the inner wall of the bearing seat (312). A lever (313) is fixedly installed on the side of the connecting rod (311). The side of the lever (313) is pressed and connected to the side of the locking block (308).

4. The automotive fastener with an anti-loosening structure according to claim 3, characterized in that: The connecting rod (311) passes through the outer shell (1) and extends to the outside of the outer shell (1), and a rotating part (314) is fixedly installed on the end face of the connecting rod (311).

5. The automotive fastener with an anti-loosening structure according to claim 1, characterized in that: A switch indicator (315) is fixedly installed on the side of the outer casing (1), and a through groove is fixedly opened on the inner wall of the rotor (303), and a limit groove (305) is fixedly opened on the inner wall of the through groove.

6. The automotive fastener with an anti-loosening structure according to claim 1, characterized in that: The outer shell (1) is fixedly mounted with a fixing ear (2) on its side, and a buffer pad (6) is fixedly mounted on its side.

7. The automotive fastener with an anti-loosening structure according to claim 1, characterized in that: A limiting block (5) is fixedly installed on the side of the bolt (4). The side of the limiting block (5) is adapted to the inner wall of the limiting groove (305). The tooth surface of the ratchet (304) meshes with the side of the locking block (308).

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