Movable butterfly valve with valve body and sealing ring

Abstract

The invention discloses a movable butterfly valve with a valve body and a sealing ring. The movable butterfly valve comprises the valve body. Flange plates are arranged on both sides of the valve body. Connecting holes are formed in the flange plates. A valve seat is arranged on the inner wall of the valve body. A butterfly plate is arranged on the inner side of the valve body. The sealing ring isarranged on one side of the butterfly plate. A pressing plate is arranged on one side of the sealing ring. Fixing holes are formed in the pressing plate. A valve rod is arranged on the butterfly plate. Reinforcing ribs are installed on the valve rod. The reinforcing ribs are arranged on the butterfly plate. Both ends of the valve rod extend to the outside of the valve body. An upper shaft sleeveis arranged above the valve body. The outer side of the valve rod is sleeved with the upper shaft sleeve. A filler is arranged between the upper shaft sleeve and the valve rod. A bracket is arranged above the upper shaft sleeve. According to the movable butterfly valve, the filler is a compressed filler and the filler is a flexible graphite filler, and the movable butterfly valve has the beneficial effects of being good in self-wetting property and impermeability, small in friction, long in service life and not easy to leak.

Description

technical field [0001] The invention relates to the technical field of valve manufacturing, in particular to a movable valve body sealing ring butterfly valve. Background technique [0002] Butterfly valve, also known as flap valve, is a regulating valve with simple structure, which can be used for switch control of low-pressure pipeline medium. In the development of the national economy, as an important link in the equipment manufacturing industry, it plays a very important role. The existing butterfly valves have many defects, such as the sealing ring will be turned and twisted during reciprocating motion, the packing is easy to penetrate, and it has no corrosion resistance. , the driving torque is large, and the opening and closing speed is slow. Contents of the invention [0003] The purpose of the present invention is to provide a butterfly valve with a movable valve body sealing ring to solve the problems in the prior art that the sealing ring will be turned over an...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a butterfly valve with a movable valve body sealing ring to solve the problems in the prior art that the sealing ring will be turned over and twisted during reciprocating motion, the packing is easy to permeate, has no corrosion resistance, the driving torque is large, and the opening and closing speed is slow.

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