Key switch with pressure balance function

A key switch with pressure balance function, comprising a base and a key cap arranged above the base, a press balance assembly arranged between the base and the key cap, wherein the press balance assembly comprises a balance bracket A connected between the base and the key cap, a balance bracket B connected between the base and the key cap, and an elastic member connected between the balance bracket A and the balance bracket B;

• both the balance bracket A and the balance bracket B are in a U-shaped structure, and a U-shaped open end of the balance bracket A is opposite to a U-shaped open end of the balance bracket B;
• structures of the balance bracket A and the balance bracket B are the same, comprising a transverse balance portion and a longitudinal balance portion connected to both ends of the transverse balance portion, respectively;
• two ends of the transverse balance portion are respectively provided with an inserting shaft, and corners of a lower end surface of the key cap are respectively provided with slots for inserting the inserting shaft;
• at the same time, a hook hole is provided at an inner side of the transverse balance portion for an end of the elastic body to be hooked.