Folding gasket type unilateral bolt fastener
A technology of folding gaskets and unilateral bolts, which is applied in the direction of threaded fasteners, screws, washers, etc., can solve the problems of unsatisfactory comprehensive performance, small stress point of the bolt head, complicated installation, etc., and achieve good fastening effect , Improve the fastening effect and make the effect of convenience
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[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0031] Such as figure 1 A folded one-sided bolt fastener is shown, which is used to fix the connecting piece 9 . The fastener includes a round head nut 5 , a screw 1 , and a folded washer assembly 4 , a sleeve 2 , a washer 7 and a nut 8 sleeved on the screw 1 in sequence.
[0032] Such as figure 2 As shown, the inside of the sleeve 2 is hollow, the wall thickness of the sleeve 2 is not more than 5 mm, the outer diameter of the sleeve 2 is smaller than the inner diameter of the connector mounting hole 10, and the inner diameter of the sleeve 2 is the same as the outer diameter of the screw 1 Adaptation, the surface of one end of the sleeve 2 close to the folded gasket assembly 4 is evenly provided with several protrusions 3 according to the circumference. In this embodiment, the surface of the sleeve is provided with six protrusions...
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