Self-locking bolt for vehicle

• Main Authors: ZHAO XIUDONG, ZHAO PEIYUAN
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2021
• 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

The utility model discloses a self-locking bolt for a vehicle, and aims to provide a self-locking bolt which is used for the vehicle and has strong vibration resistance and good fastening effect, the key point of the technical scheme is that the self-locking bolt for the vehicle comprises a shaft body and a head part, threads are arranged on the shaft body, and self-locking threads are arranged on the shaft body; the self-locking thread comprises triangular thread teeth, the vertex angle of the triangular thread teeth is a right angle, and the base angle of the triangular thread teeth towards the shaft body end is smaller than that of the triangular thread teeth towards the head end; when the self-locking bolt is screwed, the smaller base angles of the triangular threads face the shaft body end, so that the self-locking bolt can be easily tapped into a hole in a more labor-saving mode, and installation is easy; at the moment, the thread tooth tip rotates along with the bolt, a thread type self-locking line is