Adjusting mechanism for adjusting wheel cylinder

The utility model provides an adjusting mechanism for adjusting a wheel cylinder, which comprises a cylinder body, a cylinder cover, a cylinder cover, a cylinder cover, a cylinder cover and a cylinder cover, the cylinder body is concavely provided with a cavity, and the cavity is provided with a step part close to the bottom wall; the piston is arranged in the cavity, and an inner hole is formed in the end face, facing the step part, of the piston; one end of the adjusting screw assembly is fixed in the inner hole of the piston, and the other end elastically abuts against the bottom wall of the cavity; the self-adjusting gasket is screwed on the adjusting screw rod assembly; the first spring is arranged on the adjusting screw assembly in a sleeving mode and located between the piston and the self-adjusting gasket, and the end, away from the piston, of the self-adjusting gasket abuts against the step. On the basis of ensuring the self-adjusting function of the product, the self-adjusting mechanism of the produ