Pneumatic wrench

Abstract

The invention discloses a pneumatic wrench. The pneumatic wrench comprises an opening and closing part, a transmission part, a pneumatic part and a handle, wherein the opening and closing part is connected with the handle, the pneumatic part is located in the handle, the pneumatic part is connected with and drives the opening and closing part through the transmission part so as to drive the opening and closing part, the opening and closing part comprises a first clamping piece and a second clamping piece which are hinged with each other, the first clamping piece or the second clamping piece isconnected with the pneumatic part through the transmission part, the pneumatic part can drive the first clamping piece or the second clamping piece to rotate around the hinged point, the free end ofthe first clamping piece and the free end of the second clamping piece can be fixedly connected, and the transmission part comprises a first transmission part and a second transmission part which canbe combined in an embedded mode. The pneumatic wrench uses the transmission components which can accurately conduct the torque, and is enabled to still have the ability to transmit the torque which meets the demands on the premise of being capable of opening and closing.

Description

Technical field [0001] The invention relates to the field of mechanical equipment, in particular to a pneumatic wrench. Background technique [0002] The power source of the pneumatic wrench is compressed air, which can use compressed air to drive the clamping part to move, and then carry out the work. The advantage of the pneumatic wrench is that because it uses compressed air as the power source and power transmission medium, its energy loss is small and can Providing high torque output with low consumption, pneumatic wrenches are widely used in many industries, such as auto repair, heavy equipment maintenance, product assembly (usually called "pulse tools" and designed for precise torque output), major construction projects, Install the wire thread insert, and any other place where high torque output is required. [0003] Existing pneumatic wrenches come in many forms and types. The inventor believes that, first, the existing pneumatic wrenches are mainly used to output torque....

AI Technical Summary

Problems solved by technology

[0003] Existing pneumatic wrenches have various forms and types. The inventor believes that, first, the existing pneumatic wrenches are mainly used for output torque, such as pneumatic inner hexagonal wrenches, which are designed for a certain type of shaft or bolts, but are not suitable for other types. The shaft or bolt of the model lacks locking ability; second, when the existing pneumatic wrench is actually used, because its design generally is that the support is matched with the parts to be twisted in the axial direction, and the existing pneumatic wrench is on the pneumatic air circuit. Lack of scalability and cannot be used as a basis for transformation

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