Patent ID: 9669527
Date: 2017-06-06
CPC Classifications: B25B

Claim:
1. A digital torque wrench, comprising: a handle having an accommodation space formed therein; a wrench main body provided with a tool head which is located at an exterior of the handle, the tool head is connected to one end of a transmission rod which is received in the accommodation space of the handle, and the transmission rod is pivotally connected with the handle; the other end of the transmission rod is formed with an abutment surface; a torque sensing element assembled on the transmission rod of the wrench main body; a release mechanism received within the accommodation space of the handle, and the release mechanism is located at one end of the abutment surface of the transmission rod of the wrench main body; the release mechanism includes a lever arm which is pivotally connected with the handle; one end of the lever arm is correspondingly in contact with the abutment surface of the transmission rod; a roller is assembled to the other end of the lever arm and at least one rolling member opposite to the roller is assembled on the handle; an actuator is further provided, the transmission shaft of which is assembled with a latch member, and the latch member is inserted between the roller and the rolling member; and a control unit including a controller provided on the handle, and the controller is coupled with the torque sensing element and the actuator of the release mechanism; a control interface and a digital display are provided on the exterior of the handle and the control interface and the digital display are coupled with the controller; wherein the lever arm of the release mechanism has a spring member provided on one end which abuts against the abutment surface of the transmission rod of the wrench main body, and the spring member is assembled between one side of the lever arm and the handle.