Anti-receding bolt

The utility model discloses an anti-receding bolt which comprises a screw and a nut; threads are arranged on the screw, wherein a radial anti-receding groove is formed in the threads; anti-receding teeth are arranged in the anti-receding groove; the shape of the anti-receding teeth is matched with t...

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Bibliographic Details
Main Authors FANG JIANNAI, JIANG XIANGHU, DONG JIANLIANG
Format Patent
LanguageChinese
English
Published 31.12.2014
Subjects
BLASTING
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The utility model discloses an anti-receding bolt which comprises a screw and a nut; threads are arranged on the screw, wherein a radial anti-receding groove is formed in the threads; anti-receding teeth are arranged in the anti-receding groove; the shape of the anti-receding teeth is matched with that of threads around the anti-receding groove; an elastic piece is arranged between the anti-receding teeth and the anti-receding groove and on the side, away from the nut, of the anti-receding teeth; a circumferential communication hole is formed in the center of the nut and arranged in a manner of being communicated with the anti-receding groove. The utility model aims to provide the anti-receding bolt which can break threads of a screw nut through the anti-receding teeth after the bolt is locked so as to achieve a good anti-receding and locking effect.
Bibliography:Application Number: CN20142366499U