car wrench

Abstract

The invention discloses a spanner on an automobile. The spanner on the automobile comprises an adjusting arm, a fixed arm and a handle, wherein the adjusting arm is of an L-shaped structure and comprises an adjusting shaft and a first clamping arm which is arranged on the end portion of the adjusting shaft, and a thread part is arranged on the middle portion of the adjusting shaft; the fixed arm comprises a fixed shaft and a second clamping arm which is arranged on the end portion of the fixed shaft; the handle is provided with a set of fixing holes, the fixed shaft and the adjusting shaft are arranged in the fixing holes in parallel, the adjusting arm is located on the top of the fixed arm, and the fixing clamping arm is arranged right opposite to the second clamping arm; and inward-cutting is carried out along the side wall of the handle to form a circular groove, the circular groove is internally provided with an adjusting wheel which is matched with the thread part, and the adjusting wheel rotates in the circular groove and drives the first clamping arm to move in the direction close to or get away from the second clamping arm. According to the scheme, the adjusting wheel which is arranged in the handle is used for being matched with the thread part which is arranged on the adjusting shaft, the adjustment of the opening degree of the spanner is achieved, and the space occupied by the spanner is saved.

Description

technical field [0001] The invention relates to the field of on-board tools for vehicles, in particular to an on-board wrench for automobiles. Background technique [0002] In order to meet the emergency disassembly and assembly requirements of connecting bolts, nuts and cross-head screws of different specifications in various parts of the vehicle, the vehicle-mounted tools are equipped with many open-end wrenches and cross-shaped screwdrivers of different specifications, which not only increases the manufacturing cost, but also takes up a lot of time. The storage space in the car also increases the weight of the vehicle, causing a lot of waste. [0003] At present, in order to meet the emergency maintenance needs of vehicles, automobiles are usually equipped with some commonly used open-end wrenches and cross-shaped screwdrivers as on-board tools for users. Since various parts of the car are installed and connected with bolts, nuts and cross-head screws of different specif...

AI Technical Summary

Problems solved by technology

[0005] The present invention solves the problem that various on-board wrenches of different specifications occupy a large storage space and have high cost in the existing on-board tools

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