A valve sealing surface self-cleaning structure

Abstract

The utility model discloses a valve sealing surface self -cleaning structure relates to valve technical field. Including valve body, self -cleaning subassembly, set up in the inside of valve body, be used for the cleaning of sealing surface in the inside of valve body, and self -cleaning subassembly includes cleaning piece, and the top of cleaning piece is provided with connecting rod, and the top of connecting rod is provided with valve flap, and the top of valve flap is provided with valve rod, and the outer wall of valve rod is provided with guide rod. The utility model discloses utilize the cooperation of turbine groove and guide rod, in the process of guide post rotation, utilize turbine groove and push guide rod and displace along the vertical groove on the inner wall of box, thereby realize the up-and-down translation of cleaning piece, can carry out secondary cleaning to the sealing surface in the inside of valve body, adopt the combination design of upper scraper and lower scraper, can carry out cleaning operation to sealing surface under the state of valve opening and closing, improve the efficiency of sealing surface cleaning, need not additional power source, through manual or electric rotary knob, can realize cleaning operation, energy -conserving and consumption -reducing, and maintenance is convenient.

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