Patent ID: 11965540
Assignee: NATIONAL KAOHSIUNG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 0:
1. A hand tool for bolts fastening, comprising a jig body, wherein a first bolt hole is disposed in the jig body laterally and a second bolt hole is disposed in the jig body longitudinally, an end of the second bolt hole is in communication with the first bolt hole, the second bolt hole allows a packing bolt to pass through and be screwed, a suppression portion is disposed at an end of the packing bolt, the first bolt hole allows a to-be-fastened bolt to be screwed, the suppression portion of the packing bolt is pressed down on a selected position of the bolt, to cause a crest at the selected position to expand outward, so that interference occurs when the bolt is screwed with a bolt hole or a nut, to improve a locking force;
wherein the jig body is block-shaped and comprises a front side face and a rear side face, the first bolt hole runs through the front side face and the rear side face, the second bolt hole runs through the jig body from a top face of the jig body downward to the first bolt hole, and the suppression portion of the packing bolt is hemispherical;
further comprising a through hole in a same direction as the first bolt hole, and a first cutting slot in a same direction as the top face and a bottom face and running through the front side face and the rear side face, wherein the first cutting slot runs through the first bolt hole so that the through hole is in communication with the first bolt hole, and the first cutting slot extends to a lateral side of the first bolt hole away from the through hole.