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A composite valve ball and a ball valve using the valve ball

A compound valve and valve ball technology, which is applied to valve devices, multi-way valves, cocks including cut-off devices, etc., can solve the problems of inability to realize synchronous operation, high production cost, and large volume, so as to avoid economic losses and reduce costs , small size effect

Active Publication Date: 2015-10-14
YONGJIA COUNTY DATANG VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: 1) large volume, many consumables, and high production cost; 2) two different operating mechanisms need to be operated separately when opening and closing the flow, and synchronous operation cannot be realized

Method used

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  • A composite valve ball and a ball valve using the valve ball
  • A composite valve ball and a ball valve using the valve ball
  • A composite valve ball and a ball valve using the valve ball

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Such as figure 1 Shown: a composite valve ball, including an outer valve ball 8 arranged on the outer layer, an inner valve ball 7 is arranged inside the outer valve ball 8, and the inner valve ball 7 and the outer valve ball 8 are rotatably connected along the axis of the valve stem , the outer valve ball 8 is connected to the outer valve stem 3, the inner valve ball 7 is connected to the inner valve stem 4, and the valve ball is an ellipsoidal valve ball.

Embodiment 2

[0019] Such as figure 2 Shown: a composite valve ball, including an outer valve ball 8 arranged on the outer layer, an inner valve ball 7 is arranged inside the outer valve ball 8, the valve ball is a round valve ball, and the outer valve ball and the inner valve ball A rotary sealing component 6 is arranged between the balls.

Embodiment 3

[0021] Such as image 3 Shown: a ball valve using the composite valve ball, including a ball valve body 1, a composite valve ball 2 and an operating mechanism 5, the composite valve ball 2 is arranged inside the ball valve body 1, and the exterior of the composite valve ball 2 The valve ball 8 is connected to the operating mechanism 5 through an outer ball connecting piece, and the inner valve ball 7 is connected to the operating mechanism 5 through an inner ball connecting piece. The outer ball connecting part is a hollow outer valve stem 3 , and the inner ball connecting part is an inner valve stem 4 arranged in the outer valve stem 3 . The operating mechanism 5 includes a composite valve ball synchronous control part and an asynchronous control part.

[0022] When the composite valve ball of the present invention and the ball valve using the composite valve ball are in use, on the one hand, by controlling the asynchronous control part on the operating mechanism, the inner ...

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PUM

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Abstract

The invention discloses a combined valve ball and a ball valve using the same. The combined valve ball comprises an outer valve ball arranged on an outer layer, wherein an inner valve ball is arranged in the outer valve ball; the inner valve ball and the outer valve ball are rotationally connected along an axis of a valve rod; the ball valve comprises a ball valve body, the combined valve ball and an operating mechanism; the combined valve ball is arranged inside the ball valve body; the outer valve ball in the combined valve ball is connected with the operating mechanism through an outer ball connecting piece; the inner valve ball is connected with the operating mechanism through an inner ball connecting piece. The purpose that the ball valve which is provided with the double valve balls, and is small in size, low in material consumption and cost and simple and convenient in synchronous operation is provided is effectively realized, the operation and the choice are diversified, the service life of a single ball valve is effectively prolonged by more than one time, and the cost is greatly saved. The ball valve is simple, convenient and practical, small in size, low in cost, high in security coefficient and worthy of being popularized and applied widely.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a composite valve ball and a ball valve using the valve ball. Background technique [0002] As a kind of valve, ball valve is widely used in petroleum, chemical industry, power generation, paper making, atomic energy, aviation, rocket and other industrial fields and people's daily life because of its compact structure and fast and convenient operation. Ball valve generally includes valve body, The valve cover, valve seat, valve ball, valve stem and its operating mechanism, but there is only one valve ball in the valve body of the traditional valve ball. As the main part of the ball valve to control the fluid, the valve ball is most severely eroded and corroded by the fluid. Once the valve ball is eroded, the ball valve will lose the function of controlling flow, which will inevitably cause unnecessary economic and property losses, and even cause unnecessary safety accidents; The ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K5/08F16K5/06
CPCF16K5/0605F16K5/0684F16K11/22
Inventor 马新攀
Owner YONGJIA COUNTY DATANG VALVE
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