Thermochromic fastener for 3C product rechargeable battery

The utility model discloses a thermochromic fastener for a rechargeable battery of a 3C product, the fastener is a good heat conductor component and comprises a fastener head and a fastener main body connected with the head, a first groove of the head is provided with a transparent part, a thermochromic material is arranged below the transparent part, and the thermochromic material is arranged in the first groove. The thermochromic material is mounted in the head part or the main body or the head part and the main body, and the thermochromic material is in close contact with the fastener; according to the utility model, the principle that the simple color-changing material filled with heat receives heat from the heating body through the fastener of the good heat conductor so as to change color after being heated is utilized, so that a common consumer can simply and clearly know the heating condition of the heating device, thereby avoiding the damage caused by improper operation. 本实用新型公开一种用于3C产品充电电池的热致变色紧固件,所述