Key structure convenient to replace

The utility model discloses a key structure convenient to replace, which belongs to the technical field of keys and comprises a shell, a PCB (printed circuit board), a key body and a key cap. Wherein the PCB is fixedly installed inside the shell, the key body is made of silicone rubber and is fixedly installed on the PCB, the key cap is detachably and fixedly connected with the key body, and the shell is provided with an installation hole for the key cap to be exposed and go in and out; a clamping protrusion is arranged on the side wall of the upper portion of the key body, and a clamping groove matched with the clamping protrusion is formed in the lower edge of the key cap. According to the utility model, the key body can be promoted to deform only by simply applying an external force to the key cap, so that the key cap can be replaced, compared with the traditional technology, the shell does not need to be disassembled in the whole process when the key cap is disassembled and assembled, a special auxiliary