Anti-dripping ceramic piston

The utility model relates to an anti-dripping ceramic plunger. The utility model is characterized in that a metal component is connected with a ceramic column by the clamping ring structure; the metal component connected with the ceramic column is provided with two parts of an inner steel core and a metal handle; a clamping ring is installed in the groove of the inner hole of the ceramic column between two parts; the inner steel core is connected with the metal handle by the screw thread; the contact face of the inner steel core, the metal handle, and the inner hole of the ceramic column is coated with the adhesive to prevent the screw loosening. The plunger adopts the mechanical connecting and bonding structure for preventing loosening, which can make the connection reliable so as to reach the purpose of never dripping. In the utility model, the face contacting the medium and the working face are all made of structural ceramic material. Compared with the metal plunger, the ceramic plunger has the characteristics of wear-resistance, corrosion resistance, and erosion resistance. Compared with the existing plunger, the utility model has the characteristics of anti-falling, reliable connection, high strength, and long service life.