Wrench with adjustable head position

The utility model discloses a spanner capable of adjusting the head position of the spanner, which relates to the technical field of hardware tools and comprises a spanner handle, a telescopic groove is arranged at the end of the spanner handle, an extension rod is slidably mounted in the telescopic groove, inserting grooves are arranged in the middles of two sides of the extension rod, a plurality of groups of clamping grooves are arranged on two sides of the inserting grooves, and the clamping grooves are connected with the extension rod. An inserting block is arranged in the middle of the front end of the telescopic groove, a limiting claw is installed on the inserting block in a matched mode, the limiting claw is rotatably installed on the wrench handle, and a wrench head is rotatably installed at the end, away from the wrench handle, of the extension rod. According to the design scheme, the extension rod is installed in the telescopic groove in a sliding mode, the limiting claw is clamped in the clamping