Anti-loosening fastener

Abstract

The utility model relates to the technical field of fasteners, and provides an anti-loosening fastener which comprises a nut and a threaded column, the threaded column is fixed at the bottom end of the nut, a protection structure is arranged in the middle of the threaded column, a dismounting structure is arranged in the threaded column, the dismounting structure comprises an oil inlet hole, a connecting hole and a positioning groove, and the oil inlet hole is communicated with the connecting hole. And the oil inlet hole is formed in the threaded column. By arranging the dismounting structure, the nut is designed to be hexagonal, friction force can be increased when a worker rotates, the nut and the threaded column can be easily rotated through the positioning groove, the nut and the threaded column can be conveniently and rapidly installed, lubricating oil is squeezed into the oil inlet hole and then flows into the outer side of the threaded column through the connecting hole, the threaded column is convenient to dismount, and the working efficiency is improved. And meanwhile, the friction coefficient can be reduced, abrasion and heat can be reduced, the service life of the threaded column and the service life of adjacent components are prolonged, the function that the device is convenient to mount and dismount is achieved, and therefore the working efficiency of the anti-loosening fastener in the using process is improved.

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 are small parts used to connect and fix mechanical parts or components, such as bolts, screws, nuts, washers, etc. In engineering practice, loose fasteners can lead to equipment failure, adverse consequences, and even endanger personnel safety. Therefore, an anti-loosening fastener is used;

[0003] To this end, the patent with publication number CN219101832U discloses an anti-loosening fastener, including a screw rod and a screw head connected to one end of the screw rod, the screw rod is provided with threads, and a surface of one side of the screw head is provided with a plurality of limit openings arranged in a ring around the screw rod; the washer is an open ring, the washer is elastic, and an anti-backward device cooperating with the limit opening is provided on the washer. When the utility model is in use, during the installation of the screw rod, the screw head presses and compacts the washer, so that the washer exerts a directional force on the screw head, and the washer is provided with anti-skid protrusions on the inside and outside of the washer, which can better play an anti-skid role;

[0004] Although the anti-loosening fasteners mentioned above can better play an anti-slip role, the device is inconvenient to install and disassemble, resulting in low working efficiency during use. Utility Model Content

[0005] The utility model aims to provide an anti-loosening fastener to solve the defect that the existing anti-loosening fastener is inconvenient to install and disassemble.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an anti-loosening fastener, comprising a nut and a threaded column;

[0007] A threaded column is fixed to the bottom end of the nut;

[0008] A protective structure is provided in the middle of the threaded column;

[0009] A disassembly structure is provided inside the threaded column, and the disassembly structure includes an oil inlet hole, a connecting hole and a positioning groove. The oil inlet hole is provided inside the threaded column, connecting holes are evenly provided on both sides of the oil inlet hole, and a positioning groove is provided on the top of the nut.

[0010] When the device is used, the disassembly structure is provided to achieve the function of easy installation and disassembly of the device, thereby extending the service life of the anti-loosening fastener when in use; and the protective structure is provided to achieve the function of easy anti-falling of the device, thereby improving the applicability of the anti-loosening fastener when in use.

[0011] Preferably, the connecting holes are symmetrically distributed on both sides of the oil inlet hole, and the top view cross section of the positioning groove is hexagonal in design.

[0012] Preferably, the bottom end of the oil inlet hole and the bottom end of the threaded column are located in the same horizontal plane.

[0013] Preferably, the protective structure includes a connecting seat, a fixing seat and anti-falling glue, the anti-falling glue is sprayed on the outer wall of the middle part of the threaded column, a fixing seat is arranged on the outer side of the anti-falling glue, and a connecting seat is evenly fixed on the outer side of the fixing seat.

[0014] Preferably, the connecting seats are distributed at equal intervals on the outer side of the fixing seat, and an internal thread is provided on the inner wall of the fixing seat.

[0015] Preferably, an external thread is provided on the outer wall of the threaded column, and the threaded column and the fixing seat are connected by threaded engagement.

[0016] Preferably, the total length of the nut and the threaded column is 10 mm, and the nut is hexagonal in design.

[0017] The utility model provides an anti-loosening fastener, which has the advantages of:

[0018] By providing a disassembly structure and a hexagonal nut, workers can increase friction when rotating, and the nut and the threaded column can be easily rotated through the positioning groove, so that the nut and the threaded column can be easily and quickly installed, and the lubricating oil can be squeezed into the inside of the oil inlet hole and then flow into the outside of the threaded column through the connecting hole, so that the threaded column can be easily disassembled, and at the same time, the friction coefficient can be reduced, the wear and heat can be reduced, and the life of the threaded column and adjacent components can be extended, so that the device can be easily installed and disassembled, thereby improving the working efficiency of the anti-loosening fastener when in use;

[0019] By providing a protective structure, spraying anti-falling glue on the outer wall of the middle part of the threaded column, rotating the fixing seat, and threadedly connecting the threaded column and one side of the fixing seat, under the action of the anti-falling glue, when the threaded column and the fixing seat are locked, when the anti-falling glue is squeezed, it will produce strong friction torque and reaction force, resulting in full-tooth contact, providing absolute resistance to vibration, avoiding loosening and falling off caused by vibration between the threaded column and the fixing seat, and helping users to better control the fixing seat through the connecting seat, so that it can better transmit force, realizing the anti-falling function of the device, thereby improving the applicability of the anti-loosening fastener when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the main cross-sectional structure of the disassembly structure of the utility model;

[0024] Figure 5 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0025] Explanation of the reference numerals in the figure: 1. Nut; 2. Threaded column; 3. Protective structure; 301. Connecting seat; 302. Fixing seat; 303. Anti-falling glue; 4. Disassembly structure; 401. Oil inlet hole; 402. Connecting hole; 403. Positioning groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5 The utility model provides an anti-loosening fastener, including a nut 1 and a threaded column 2, the threaded column 2 is fixed at the bottom end of the nut 1, a protective structure 3 is arranged in the middle of the threaded column 2, the protective structure 3 includes a connecting seat 301, a fixing seat 302 and an anti-falling glue 303, the anti-falling glue 303 is sprayed on the outer wall of the middle of the threaded column 2, a fixing seat 302 is arranged on the outer side of the anti-falling glue 303, the connecting seat 301 is evenly fixed on the outer side of the fixing seat 302, the connecting seats 301 are evenly distributed on the outer side of the fixing seat 302, the inner wall of the fixing seat 302 is arranged with an internal thread, the outer wall of the threaded column 2 is arranged with an external thread, the threaded column 2 and the fixing seat 302 are connected by threaded engagement, the total length of the nut 1 and the threaded column 2 is 10 mm, and the nut 1 is hexagonal in design.

[0028] Reference Figure 1 and Figure 3-Figure 5As shown, anti-drop glue 303 is sprayed on the outer wall of the middle part of the threaded column 2, and the fixing seat 302 is rotated. The threaded column 2 and one side of the fixing seat 302 are threadedly connected. Under the action of the anti-drop glue 303, when the threaded column 2 and the fixing seat 302 are locked, when the anti-drop glue 303 is squeezed, a strong friction torque and reaction force will be generated, resulting in contact of the entire tooth pitch, providing absolute resistance to vibration, avoiding loosening and falling off caused by vibration between the threaded column 2 and the fixing seat 302, and the connecting seat 301 can help users better control the fixing seat 302, so that it can better transmit force.

[0029] A disassembly structure 4 is provided inside the threaded column 2, and the disassembly structure 4 includes an oil inlet hole 401, a connecting hole 402 and a positioning groove 403. The oil inlet hole 401 is provided inside the threaded column 2, and connecting holes 402 are evenly provided on both sides of the oil inlet hole 401. A positioning groove 403 is provided on the top of the nut 1, and the connecting holes 402 are symmetrically distributed on both sides of the oil inlet hole 401. The top cross-section of the positioning groove 403 is hexagonal in design, and the bottom end of the oil inlet hole 401 and the bottom end of the threaded column 2 are located in the same horizontal plane.

[0030] Reference Figure 1 and Figure 4 As shown, the nut 1 is designed in a hexagonal shape, and workers can increase friction when rotating it. The nut 1 and the threaded column 2 can be easily rotated through the positioning groove 403, so that the nut 1 and the threaded column 2 can be easily installed quickly, and the lubricating oil can be squeezed into the inside of the oil inlet hole 401 and then flow into the outside of the threaded column 2 through the connecting hole 402, so that the threaded column 2 is easy to disassemble. At the same time, the friction coefficient can be reduced, wear and heat can be reduced, and the life of the threaded column 2 and adjacent components can be extended.

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

Claims

1. An anti-loosening fastener, comprising a nut (1) and a threaded column (2); Features: A threaded column (2) is fixed to the bottom end of the nut (1); A protective structure (3) is provided in the middle of the threaded column (2); A disassembly structure (4) is provided inside the threaded column (2), and the disassembly structure (4) comprises an oil inlet hole (401), a connecting hole (402) and a positioning groove (403). The oil inlet hole (401) is provided inside the threaded column (2), connecting holes (402) are evenly provided on both sides of the oil inlet hole (401), and a positioning groove (403) is provided on the top of the nut (1).

2. The anti-loosening fastener according to claim 1, characterized in that: The connection holes (402) are symmetrically distributed on both sides of the oil inlet hole (401), and the top view cross section of the positioning groove (403) is hexagonal in design.

3. The anti-loosening fastener according to claim 1, characterized in that: The bottom end of the oil inlet hole (401) and the bottom end of the threaded column (2) are located on the same horizontal plane.

4. The anti-loosening fastener according to claim 1, characterized in that: The protective structure (3) comprises a connecting seat (301), a fixing seat (302) and an anti-falling glue (303); the anti-falling glue (303) is sprayed on the outer wall of the middle part of the threaded column (2); the fixing seat (302) is arranged on the outer side of the anti-falling glue (303); and the connecting seat (301) is evenly fixed on the outer side of the fixing seat (302).

5. The anti-loosening fastener according to claim 4, characterized in that: The connecting seats (301) are distributed at equal intervals on the outer side of the fixing seat (302), and an internal thread is provided on the inner wall of the fixing seat (302).

6. The anti-loosening fastener according to claim 4, characterized in that: An external thread is provided on the outer wall of the threaded column (2), and the threaded column (2) and the fixing seat (302) are connected by threaded engagement.

7. The anti-loosening fastener according to claim 1, characterized in that: The total length of the nut (1) and the threaded column (2) is 10 mm, and the nut (1) is hexagonal in design.

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