A kind of anti-theft bolt that can be tightened twice
A technology for anti-theft bolts and bolts, applied in the directions of bolts, screws, nuts, etc., can solve the problems that anti-theft bolts cannot be re-tightened, equipment maintenance is troublesome, etc., and achieve good anti-theft performance, easy to re-tighten, and easy to use.
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[0015] refer to figure 1 , a kind of anti-theft bolt that can be tightened twice in the present invention includes a bolt main body, an anti-theft block 2, a rotating rod, a limit ring 35, a fixed block, a limit bolt 5, and an auxiliary hole 25, and the bolt main body is composed of a bolt head 1 and The main screw rod 10 is composed of the main screw rod 10, which is fixed on the lower end of the bolt head 1, and the lower end of the anti-theft block 2 is provided with a cylindrical accommodation groove 20, and the anti-theft block 2 is covered on the bolt head 1, and the bolt head 1 extends into the accommodation groove 20, a rotatable rotating rod is installed on the top wall of the receiving groove 20, a limit ring 35 is fixed on the bottom of the rotating rod, a fixed block is arranged on the upper end of the bolt head 1, and a fixed block is arranged on the fixed block. A limit groove 41, the limit ring 35 is inserted in the limit groove 41, and a limit bolt 5 arranged t...
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