Wrench

The utility model provides a wrench which can display torque in real time. The wrench comprises a wrench head assembly and a wrench handle assembly, a torque measuring device is arranged in the wrench handle assembly, a torque display device is arranged outside the wrench handle assembly, and the torque measuring device is electrically connected with the torque display device and used for monitoring the locking force torque in the clamping process. According to the utility model, the observability of the torque is realized, and various problems caused by human factors such as strength, proficiency and the like when a cutter is clamped manually according to experience are avoided. 本实用新型提出了一种扳手，可以实时显示扭矩大小。所述扳手包括扳手头组件、扳手柄组件，所述扳手柄组件内设置有扭矩测量装置，外部设有扭矩显示装置，所述扭矩测量装置与扭矩显示装置电连接，用于监测装夹过程中的锁紧力扭矩。本实用新型实现了扭矩的可观测性，避免了人为凭经验夹紧刀具时，因力量大小、熟练程度等人为因素而引起的各种问题。