Anti-loosening thread structure
An anti-loosening and threaded technology, applied in the direction of threaded fasteners, screws, nuts, etc., can solve the problems of unable to improve the connection strength and loosening, and achieve the effects of simple structure, reduced manufacturing cost, and uniform load distribution
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[0014] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0015] like image 3 , Figure 4 As shown, the anti-loosening thread structure includes a bolt 1, a coupling piece 2, and a connecting body 3. The bolt 1 is provided with an external thread 5, and the connecting body 3 is a nut or a tapping coupling, and the tapping coupling is opened. There is a through hole, the through hole or the nut is provided with an internal thread 4, and the root side of the internal thread 4 is provided with an inwardly recessed arc surface 6, the arc surface is an arc angle of 45 degrees, and the arc surface The radius is the thread pitch, and the center of the arc surface is the crest of the relative internal thread. The arc surface of...
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