An adjustable anti-loosening fastening component and its assembly and use method
An anti-loosening and adjustable technology, which is applied in the direction of threaded fasteners, locking fasteners, connecting components, etc., can solve the problems of the normal connection of nuts and the influence of external thread structures, etc.
Active Publication Date: 2020-04-17
HUBEI XIANGYU MACHINERY
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Problems solved by technology
However, in order to ensure that the bolt head and the nut are pressed against the parts to be connected, the main groove on the stud needs to be close to the nut connection position, so the main groove needs to continue to extend on the external thread, which will affect the structure of the external thread, thus affecting the normal connection of the nut make an impact
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[0048] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0049] Such as Figure 1-4 As shown, an adjustable anti-loosening fastening assembly of the present invention includes a bolt 1. The bolt 1 includes a screw rod 11 and a regular polygonal block bolt head 12 fixed on the head end of the screw rod 11. The screw rod 11 has an external thread and an internal Thread, and the nut 2 screwed on the screw rod 11 also includes a positioning mechanism, the positioning mechanism includes a positioning piece, the positioning piece includes a main positioning sleeve 3 and a secondary positioning sleeve 5, and the inner wall of the main positioning sleeve 3 and the secondary positioning sleeve 5 are respectively Regular polygon sleeve-like and circular sleeve-like structures, the top of ...
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The invention provides an adjustable anti-loosening fastening assembly and an assembling and using method thereof, and belongs to the field of fasteners. The adjustable anti-loosening fastening assembly and the assembling and using method thereof solve the problem that in the case of an existing anti-loosening fastening assembly, the structures of to-be-connected pieces need to be changed. The adjustable anti-loosening fastening assembly comprises a bolt, wherein the bolt comprises a bolt rod and a bolt head, the adjustable anti-loosening fastening assembly further comprises a nut and a positioning mechanism, the positioning mechanism comprises a positioning piece, the positioning piece comprises a main positioning sleeve and an auxiliary positioning sleeve, the top end of the main positioning sleeve is connected with a main stretchable sleeve, the bottom end of the auxiliary positioning sleeve is connected with an auxiliary stretchable sleeve, the adjustable anti-loosening fastening assembly further comprises an inner adjusting sleeve and an outer adjusting sleeve, an inner adjusting plate is fixed on the inner wall of the top end of the inner adjusting sleeve, an outer adjusting plate is fixed on the inner wall of the top end of the outer adjusting sleeve, the adjustable anti-loosening fastening assembly further comprises a sliding sleeve which sleeves the auxiliary positioning sleeve, a limiting groove is formed in the inner wall of the sliding sleeve, the auxiliary positioning sleeve is provided with a lock hole, the adjustable anti-loosening fastening assembly further comprises a lock column located in the lock hole, a reset spring which sleeves the auxiliary positioning sleeve, and a positioning groove located on the rod wall of the bolt rod. According to the fastening assembly, the anti-loosening effect can be realized without changing the structures of the to-be-connected pieces.
Description
technical field [0001] The invention belongs to the technical field of fasteners, and relates to an adjustable anti-loosening fastening component and an assembly and use method thereof. Background technique [0002] Bolts and nuts cooperate with each other as the most common fastening connection, and the mechanical equipment is fixed through the screw rod and nut of the bolt. Bolts and nuts have good connection performance and simple structure, and are widely used in the field of mechanical equipment. However, bolts and nuts have the defect that they are easy to loosen, and safety accidents are prone to occur. [0003] The existing application number is 201510033943.9, which is a Chinese invention patent titled "a bolt anti-loosening structure and anti-loosening method". In addition, the outer side of the anti-loosening sleeve is embedded into the counterbore on the connected part B, so as to solve the problem of anti-loosening of the bolt connection and ensure that the con...
Claims
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IPC IPC(8): F16B39/04F16B39/08
CPCF16B39/04F16B39/08
Inventor 林远银
Owner HUBEI XIANGYU MACHINERY