A special-shaped anti-theft bolt
An anti-theft bolt and special-shaped technology, applied in the direction of bolts, nuts, threaded fasteners, etc., can solve the problems of inconvenient switching between special-shaped bolts and ordinary bolts, mechanical loss, mechanical theft, etc., to avoid being stolen and improve security. , the effect of avoiding clogging
Active Publication Date: 2020-08-11
FOSHAN UNIVERSITY
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Problems solved by technology
[0004] The purpose of the present invention is to provide a special-shaped anti-theft bolt to solve the problem that the existing anti-theft bolt proposed in the above background technology is easy to be removed by a thief with a wrench when in use, thereby stealing the corresponding machinery and causing the loss of the machinery , and the bolt is not convenient to quickly switch between special-shaped and ordinary bolts during use
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] see Figure 1-5, the present invention provides a technical solution: a special-shaped anti-theft bolt, including a stud 1, a washer 2, a nut 3, a stud telescopic block 4, a positioning bead 5, a fixed ring 6, a self-locking spring 7, a special key 8, a rotating Rod 9, closing plate 10, cross fixing frame 11, nut control hole 12, track 13, push rod 14, connection belt 15, rotating plate 16, rotating shaft 17, return spring 18, nut locking plate 19, smal...
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The invention relates to a special-shaped anti-theft bolt. The special-shaped anti-theft bolt comprises a stud, a stud telescopic block, a special key, a closing plate and a nut lock plate; the outerside of the stud is provided with a washer; the left side of the washer is provided with a nut; the washer is movably connected with the stud; the nut is in threaded connection with the stud; the studtelescopic block is movably connected with the stud; a fixing ring is connected with the inner side of the stud telescopic block; the stud telescopic block is movably connected with the stud; the stud telescopic block is fixedly connected with the fixing ring; the outer side of the fixing ring is provided with a self-locking spring; the self-locking spring is fixedly connected with the stud telescopic block; and the self-locking spring is fixedly connected with the stud. The special-shaped anti-theft bolt has the beneficial effects that the special-shaped anti-theft bolt is provided with thestud telescopic block, an ordinary bolt can be transformed into the special-shaped bolt, thus, the bolt can be used more safely, and the situation that a bolt preoction device is stolen is avoided.
Description
technical field [0001] The invention relates to the technical field of bolts, in particular to a special-shaped anti-theft bolt. Background technique [0002] A bolt is a mechanical part, a cylindrical threaded fastener with a nut. A type of fastener consisting of a head and a screw (a cylinder with external threads), which needs to be matched with a nut to fasten two parts with through holes. This connection form is called bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection. [0003] An anti-theft bolt is disclosed in the Chinese invention patent application publication specification CN 201410090986 A. Although the anti-theft bolt uses the first bolt body as a fastener, the second bolt body is vertically fixedly connected to the first bolt body. On the bolt body, it can effectively prevent the first bolt body from being stolen. It has high fastening strength, good use effect and strong ...
Claims
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IPC IPC(8): F16B41/00
CPCF16B41/005
Inventor 周锡武张文超
Owner FOSHAN UNIVERSITY