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Filler ball valve

A packing ball and ball valve technology applied in the field of packing ball valves to achieve the effects of low friction, stable operation and simple structure

Inactive Publication Date: 2019-06-04
李伟彦
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, even if the seat ring is separated from the valve body, it will cause slippage at the part that supports the valve body

Method used

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Examples

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Embodiment Construction

[0008] A packing ball valve, the ball valve includes a valve body 1, a valve seat 2, a ball 3, an inner liner 4, a packing 5, a valve stem 6, a gland 7 and a handle 8, and the valve seat 2 is arranged at the bottom of the ball valve end, the valve body 1 is set on the valve seat 2, the ball 3 is set in the valve body 1, the inner liner 4 is set on the upper part of the ball 3, and the gland 7 is set on the valve body 1 upper part, the valve stem 6 is set in the gland 7, one end of the valve stem 6 is connected to the handle 8, and the other end is connected to the ball 3, the outer side of the valve stem 6 is provided with a packing 5, so The filler 5 described above is an anti-corrosion and acid-resistant material.

[0009] The above embodiments are only used to illustrate the present invention rather than limit the technical scheme described in the present invention; therefore, although the present description has described the present invention in detail with reference to t...

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Abstract

The invention relates to a filler ball valve. The ball valve comprises a valve body, a valve seat, a ball body, an inner lining, a filler, a valve rod, a press cover and a handle, wherein the valve seat is arranged at the bottom end of the ball valve; the valve body is arranged on the valve seat; the ball body is arranged in the valve body; the inner lining is arranged at the upper part of the ball body; the press cover is arranged at the upper part of the valve body; the valve rod is arranged in the press cover; the handle is connected to one end of the valve rod, and the other end of the valve rod is connected to the ball body; and the filler is arranged on the outer side of the valve rod, and is anti-corrosion acid resistance materials. The filler ball valve disclosed by the invention is simple in structure, good in sealing property, convenient to open and close, low in friction, low in opening torque, stable in operation, low in production cost and long in service life, and sealingsurfaces can be self-cleaned.

Description

technical field [0001] The invention relates to a pipeline valve, in particular to a packing ball valve. Background technique [0002] A ball valve that closes the sliding gap around the valve body by pressing the seat ring against the valve body (ball) inserted into the valve chamber, and cuts off the communication between the valve chamber and the ball through the above-mentioned sliding gap (called a metal contact ball valve) Among them, when opening and closing the valve portion, the seat ring is separated from the valve body to reduce the operating torque of the valve (for example, refer to Patent Document 1). In the ball valve disclosed in Patent Document 1, the valve seat ring has a piston structure, and the valve body is pressed to and separated from the valve body by fluid pressure. Two pressure chambers that apply fluid pressure to the seat ring in opposite directions are formed on the outer periphery of the seat ring. When fluid pressure is introduced into the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K5/08F16K41/02F16K27/06
Inventor 李伟彦
Owner 李伟彦
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