| 摘要 |
Abstract of descriptions This utility model discloses an adjustable crow bar with overload protection function, including bearing plate. Bearing hole is set in the middle of bearing plate. Through-hole is set on the front end face of bearing plate. Protective hinge pin is in the through-hole. Stress block is set at the bottom of bearing hole. Locating block is set at the top of stress block. Locating hole which fits with the protective hinge pin is set at the top of locating block. Mounting sleeve is set at the top of bearing plate near the left side. The mounting sleeve is set upward. Handle rod is in the mounting sleeve. A screw is between the handle rod and the mounting sleeve. Anti-skidding base plate is set at the top of bearing plate near the right end. Flexible guide rod is set on one end of handle rod away from the bearing plate. Extension sleeve rod is set on the flexible guide rod. The device has simple structure and low cost, so it is suitable for promotion. Attached figures of descriptions Fig.1 Fig.1 Fig.21 |
