Anti-loose fastener

Abstract

The utility model relates to the technical field of fasteners, and discloses an anti-loosening fastener which comprises a bolt and a nut, and the bottom face of the nut is fixedly connected with a plurality of sets of slope anti-loosening strips. A bolt, a nut, a slope anti-falling strip, an anti-falling gasket, a semi-ring sliding groove, a semi-ring sliding block, an anti-falling block, an elastic device and the like are arranged to be used in cooperation. Firstly, the bolt penetrates through a connected object, then the anti-disengaging gasket is in sliding connection with the bolt, then the nut is in threaded connection with the bolt, when the nut rotates to one side of the anti-disengaging gasket, the inclined face of the inclined face anti-disengaging strip on the bottom face of the nut can slide along the side wall of the anti-disengaging block, and the anti-disengaging block can be pushed to drive the semi-ring sliding block to extrude the elastic device to descend; after the nut is tightened, the elastic device can push the semi-ring sliding block to drive the anti-disengaging block to ascend to be located on one side of the inclined face anti-disengaging strip, when the nut needs to be loosened, the vertical face of the inclined face anti-disengaging strip can abut against the side wall of the anti-disengaging block, the nut is prevented from rotating reversely and being loosened, the fixing stability of the nut is improved, operation is easy, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to an anti-loosening fastener. Background Art

[0002] Fasteners, also known as standard parts, are a type of mechanical component widely used in machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, meters, and supplies. Their primary function is to connect and fasten components, ensuring a stable connection between them. Bolts and nuts are among the most common fasteners, generally used to connect two dissimilar objects.

[0003] But the following problems still exist:

[0004] During long-term use, if there is vibration in the working environment, the bolt and nut fasteners may become loose due to the vibrating working environment, causing the nut to separate from the bolt, which will bring safety hazards. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art and to propose an anti-loosening fastener to prevent the nut from rotating and loosening due to vibration, thereby improving the stability of the connection.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A fastener for preventing loosening comprises a bolt and a nut, wherein the bottom surface of the nut is fixedly connected to multiple groups of inclined anti-slip strips, and the side wall sliding sleeve of the bolt is provided with an anti-slip gasket, the upper surface of the anti-slip gasket is provided with two groups of semi-ring grooves, and the inner wall of the semi-ring groove is slidably connected to the semi-ring slider, the upper surface of the semi-ring slider is fixedly connected to multiple groups of anti-slip blocks, and an elastic device is provided inside the semi-ring groove.

[0008] Preferably, the elastic device includes multiple groups of support springs fixedly connected to the bottom surface of the semi-ring slide groove, and the other end of the support spring is fixedly connected to the bottom surface of the semi-ring slider, and a reinforcement device is provided under the semi-ring slider.

[0009] Preferably, the reinforcement device includes a strip slide groove with a bolt side wall, and a reinforcement slide groove is provided on the side wall of the anti-slip gasket located on one side of the strip slide groove. The inner wall of the reinforcement slide groove is slidably connected to a T-shaped reinforcement rod, and the upper surface of the T-shaped reinforcement rod is slidably connected to the bottom surface of the semi-ring slider.

[0010] Preferably, the other end of the T-shaped reinforcement rod is provided with a guiding slope.

[0011] Preferably, a guide block is fixedly connected to the side wall of the T-shaped reinforcement rod located on one side of the guide slope.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The utility model cooperates with a bolt, a nut, an inclined anti-slip strip, an anti-slip gasket, a semi-ring slide groove, a semi-ring slider, an anti-slip block and an elastic device to be used together; first, the bolt is passed through the connected object, and the anti-slip gasket is slidably connected to the bolt, and then the nut is threadedly connected to the bolt. When the nut is rotated to one side of the anti-slip gasket, the inclined surface of the inclined anti-slip strip on the bottom surface of the nut will slide along the side wall of the anti-slip block, which will push the anti-slip block to drive the semi-ring slider to squeeze the elastic device downward. After the nut is tightened, the elastic device will push the semi-ring slider to drive the anti-slip block to rise and be on one side of the inclined anti-slip strip. When the nut needs to be loosened, the vertical surface of the inclined anti-slip strip will abut against the side wall of the anti-slip block, preventing the nut from reversing and loosening, thereby improving the stability of the nut fixation. The utility model is simple to operate and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of an anti-loosening fastener proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the disassembly structure of an anti-loosening fastener proposed in the utility model;

[0016] Figure 3 This is a schematic diagram of a top cross-sectional structure of an anti-loosening fastener proposed by the utility model;

[0017] Figure 4 This is a schematic diagram of the front cross-sectional structure of an anti-loosening fastener proposed by the utility model;

[0018] Figure 5 for Figure 4 Schematic diagram of the structure enlarged at point A in the middle.

[0019] In the figure: 1. Bolt; 2. Nut; 3. Inclined anti-slip strip; 4. Anti-slip gasket; 5. Semi-ring slide; 6. Semi-ring slider; 7. Anti-slip block; 8. Support spring; 9. Strip slide; 10. Reinforcement slide; 11. T-shaped reinforcement rod; 12. Guide block; 13. Guide inclined plane. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] See also Figure 1-5A fastener for preventing loosening comprises a bolt 1 and a nut 2. The bottom surface of the nut 2 is fixedly connected with multiple groups of inclined anti-slip strips 3, and the side wall sliding sleeve of the bolt 1 is provided with an anti-slip gasket 4. The upper surface of the anti-slip gasket 4 is provided with two groups of semi-ring grooves 5, and the inner wall of the semi-ring groove 5 is slidably connected to the semi-ring slider 6. The upper surface of the semi-ring slider 6 is fixedly connected with multiple groups of anti-slip blocks 7, and the interior of the semi-ring groove 5 is provided with an elastic device.

[0022] When the nut 2 is tightened, the elastic device pushes the semi-ring slider 6 to drive the anti-slip block 7 to rise and be on one side of the inclined anti-slip strip 3. When the nut 2 needs to be loosened, the vertical surface of the inclined anti-slip strip 3 will resist against the side wall of the anti-slip block 7, preventing the nut 2 from being reversed and loosened, thereby improving the stability of the nut 2. The operation is simple and easy to use.

[0023] Furthermore, the elastic device includes multiple groups of supporting springs 8 fixedly connected to the bottom surface of the semi-ring slide 5, and the other end of the supporting spring 8 is fixedly connected to the bottom surface of the semi-ring slider 6, and a reinforcement device is provided under the semi-ring slider 6; by arranging the supporting spring 8, when the nut 2 is tightened, the inclined surface of the inclined anti-slip strip 3 on the bottom surface of the nut 2 will slide along the side wall of the anti-slip block 7, and then push the anti-slip block 7 to drive the semi-ring slider 6 to slide down along the semi-ring slide 5. After tightening the nut 2, the supporting spring 8 will push the semi-ring slider 6 to rise, so that the anti-slip When the nut 2 is loosened, the vertical surface of the inclined anti-slip strip 3 will move to the side of the anti-slip block 7, and will not be able to push the anti-slip block 7 down, thereby preventing the nut 3 from loosening. The reinforcement device can prevent the elastic force of the support spring 8 from being lost, so that the semi-ring slider 6 drives the anti-slip block 7 to descend, affecting the anti-loosening effect. When the nut 3 needs to be loosened, the reinforcement device can drive the semi-ring slider 6 to squeeze the support spring 8 to descend, and then the nut 2 can be rotated to remove the bolt 1, which is flexible and convenient.

[0024] The locking mechanism 11 is fixed to the locking cam 10 and the locking cam 11 is unlocked so that the locking cam 10 can be unlocked.

[0025] Furthermore, a guide slope 13 is provided at the other end of the T-shaped reinforcement rod 11; by setting the guide slope 13, when the T-shaped reinforcement rod 11 is inserted into the reinforcement slide groove 10 and the strip slide groove 9 above the semi-ring slider 6, the guide slope 13 will slide along the side wall of the semi-ring slider 6, making it convenient to push the semi-ring slider 6 down.

[0026] Furthermore, a guide block 12 is fixedly connected to the side wall of the T-shaped reinforcement rod 11 located on one side of the guide slope 13; by setting the guide block 12, when the T-shaped reinforcement rod 11 is inserted into the reinforcement slide groove 10, the guide block 12 will first be inserted into the reinforcement slide groove 10 above the semi-ring slider 6, making it convenient for the T-shaped reinforcement rod 11 to be inserted into the reinforcement slide groove 10 and the strip slide groove 9.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An anti-loosening fastener, comprising a bolt (1) and a nut (2), characterized in that: The bottom surface of the nut (2) is fixedly connected to a plurality of groups of bevel anti-slip strips (3), and the side wall sliding sleeve of the bolt (1) is provided with an anti-slip gasket (4), the upper surface of the anti-slip gasket (4) is provided with two groups of semi-ring sliding grooves (5), and the inner wall of the semi-ring sliding groove (5) is slidably connected to a semi-ring slider (6), the upper surface of the semi-ring slider (6) is fixedly connected to a plurality of groups of anti-slip blocks (7), and an elastic device is provided inside the semi-ring sliding groove (5).

2. The anti-loosening fastener according to claim 1, characterized in that: The elastic device comprises a plurality of support springs (8) fixedly connected to the bottom surface of the semi-ring slide groove (5), and the other end of the support spring (8) is fixedly connected to the bottom surface of the semi-ring slider (6), and a reinforcement device is provided below the semi-ring slider (6).

3. The anti-loosening fastener according to claim 2, characterized in that: The reinforcing device comprises a strip-shaped slide groove (9) with a side wall provided with a bolt (1), and a reinforcing slide groove (10) is provided on a side wall of the anti-slip gasket (4) located on one side of the strip-shaped slide groove (9), the inner wall of the reinforcing slide groove (10) is slidably connected to a T-shaped reinforcing rod (11), and the upper surface of the T-shaped reinforcing rod (11) is slidably connected to the bottom surface of the semi-ring slider (6).

4. The anti-loosening fastener according to claim 3, characterized in that: The other end of the T-shaped reinforcement rod (11) is provided with a guide slope (13).

5. The anti-loosening fastener according to claim 4, characterized in that: A guide block (12) is fixedly connected to the side wall of the T-shaped reinforcement rod (11) located on one side of the guide slope (13).

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