Combined bolt

• Main Authors: DONG FUMING, DONG JIANGUANG
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2024
• 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 provides a combined bolt, and belongs to the technical field of bolts. The problem that an existing bolt notch is abraded to cause scrapping is solved. The combined type bolt comprises a bolt body with a nut and an external thread, a sunken groove which is sunken inwards in the axial direction is formed in the position, located on the upper end face of the nut, of the bolt body, a disassembling rod movably connected with the sunken groove is arranged at the position, located at the sunken groove, of the bolt body, and a disassembling groove facilitating assembling and disassembling of the bolt body is formed in the upper end face of the disassembling rod. The bolt has the advantage that the service life of the bolt is prolonged. 本实用新型提供了一种组合式螺栓，属于螺栓技术领域。它解决了现有螺栓槽口磨损导致报废的问题。本组合式螺栓，包括具有螺帽和外螺纹的螺栓主体，螺栓主体位于螺帽的上端面上开设有轴向向内凹陷的凹陷槽，螺栓主体位于凹陷槽处设置有与其相活动连接的拆卸杆，拆卸杆的上端面上设置有便于螺栓主体装卸的拆卸槽。本实用新型具有的延长螺栓使用寿命优点。