Self-locking combined nut capable of preventing nut from loosening

• Main Author: CHEN YEGUO
• Format: Patent
• Language: Chinese; English
• Published: 05.06.2018
• 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 invention discloses a self-locking combined nut capable of preventing a nut from loosening. The self-locking combined nut capable of preventing the nut from loosening includes a grooved nut and anauxiliary nut. The grooved nut includes a grooved nut body, a spring piece is arranged at the one end of the grooved nut body, and a plurality of opening grooves are formed in the spring piece. The auxiliary nut includes an auxiliary nut body, and a protruding table extends out from the one end of the auxiliary nut body. Inner threads are arranged in the auxiliary nut body and the protruding table, and a shrinking opening is formed in the protruding table. A wedge groove is formed in the other end of the auxiliary nut body, and the wedge groove is arranged with the spring piece in a fit mode.The shrinking opening structure is formed in the opening end of the auxiliary nut, the wedge groove at the bottom portion of the auxiliary nut and the spring piece of the grooved nut are tightly bonded to each other during th