Anti-loosening bolt and nut assembly structure
OwnerXiaohua Yanginventor
Life of this patent
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Abstract
An anti-loosening bolt and nut assembly structure includes a bolt having a bolt head and a bolt shank, two elastic washers, and a nut. The two elastic washers are sleeved on the bolt shank. The two elastic washers are matched with the bolt head and the nut, respectively. Each elastic washer includes an annular body having an opening. A bottom of the annular body is provided with anti-slip teeth. A top of the annular body extends upward to form an anti-loosening ring. An outer inclined surface is formed on an outer side of the anti-loosening ring. The anti-loosening ring is provided with a plurality of first unidirectional teeth. The bolt head and the nut each includes a unidirectional anti-loosening device matched with the first unidirectional teeth.
Claims9
An anti-loosening bolt and nut assembly structure, comprising a bolt, two elastic washers and a nut, the bolt including a bolt head and a bolt shank, the two elastic washers being sleeved on the bolt shank, the nut being engaged with and screwed to the bolt shank, the two elastic washers being engaged with the bolt head and the nut, respectively;
- each of the two elastic washers including an annular body having an opening, a bottom of the annular body being provided with anti-slip teeth, a top of the annular body extending upward to form an anti-loosening ring, the anti-loosening ring having a taper so that an outer inclined surface is formed on an outer side of the anti-loosening ring, the anti-loosening ring being circumferentially provided with a plurality of first unidirectional teeth;
- the bolt head and the nut each including a unidirectional anti-loosening device engaged with the first unidirectional teeth of a corresponding one of the elastic washers.
Dependencies are inferred from the claim text.