Lining silicon nitride ceramic wear-resistant regulating valve facilitating sealing of connector

The utility model discloses a silicon nitride ceramic lining wear-resistant regulating valve convenient for sealing a connector, which comprises a valve body, a top cover is arranged at the top of the valve body, a regulating seat is arranged at the top of the top cover, a sleeve is arranged in the bottom end of the valve body, and the bottom of the sleeve is fixed with a butt joint pipe; the ceramic valve head is arranged in the sleeve, the control rod sequentially penetrates through the top cover and the valve body to be connected with the ceramic valve head, and the end, away from the ceramic valve head, of the control rod is connected with the adjusting seat; and the limiting groove is formed in the inner wall of the valve body, a sealing gasket is arranged in the limiting groove, and the sealing gasket is connected with the outer wall of the sleeve. According to the silicon nitride ceramic lining abrasion-resistant adjusting valve facilitating sealing of the connector, the sleeve is in butt joint with th