a bolt
A technology of bolts and nuts, which is applied in the direction of screws, threaded fasteners, connecting components, etc., and can solve the problems of poor performance, poor tensile strength, and fracture of bolts
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[0019] The core of the present invention is to provide a bolt with high tensile strength and long fatigue life.
[0020] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0021] Please refer to figure 1 , figure 2 with image 3 , figure 1 A partial cross-sectional structural schematic diagram of a bolt provided for a specific embodiment of the present invention; figure 2 for figure 1 The enlarged structure of part A in the middle; image 3 for figure 1 The enlarged view of the structure in part B.
[0022] In a specific embodiment, the bolt provided by the present invention includes a nut 11 and a screw rod 12, the outer peripheral surface of the screw rod 12 has a thread 13 matched with the nut; the end of the thread 13 has a tooth mouth 131 engaged with the nut, and The cross ...
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