Integral whole-through diameter ball valve

A full-bore, integral technology, applied in the field of machinery, can solve the problems of poor safety, small flow, small valve core aperture, etc., and achieve the effect of low cost and simple structure

Inactive Publication Date: 2007-10-17
浙江鹏飞阀门有限公司 +1
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  • Abstract
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  • Application Information

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Problems solved by technology

However, due to this design principle, the valve core is installed at the port of the valve body during the assembly process, so that the outer diameter of the valve core must be smaller than the size of the valve body port.
At the same time, since the ball valve is a flanged ball valve, the specification and size of the flange are fixed, which inevitably makes the pore diameter of the valve core smaller, resulting in a smaller flow rate.
[0005] Obviously, the use of the above-mentioned ball valve will lead to changes in the fluid pressure of the pipeline system, and the ball valve is mainly used in high-pressure, high-temperature fluid pipeline systems, so the use of the ball valve will lead to problems such as poor safety

Method used

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Embodiment Construction

[0019] As shown in Figure 1, the integral full-bore ball valve includes a valve body 1, a valve core 2, a valve stem 3, a handle 4, a regulating valve seat 5, a gland 6, and the like.

[0020] The valve body 1 is an integral structure, and its inside has a through hole 13 passing through its two sides, and a flange 12 is provided at the port of the through hole 13 . The valve core 2 is installed in the through hole 13 of the valve body 1, the inner end of the valve stem 3 is connected with the valve core 2, the outer end of the valve stem 3 passes through the valve body 1, and the handle 4 is fixedly connected to the outside of the valve stem 3. end.

[0021] As shown in Figure 1 and Figure 2, a regulating valve seat 5 is also provided at the through hole 12 of the valve body 1, the regulating valve seat 5 is connected with the valve body 1 through threads, and one end of the regulating valve seat 5 is provided with a sealing ring Seat 51, sealing ring seat 51 is the breach t...

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Abstract

The present invention provides an integral whole path ball valve which belongs to mechanical technique field and solves the problem that the existing flange type ball valve is small in flux and bad in safety. The integral whole path ball valve includes a valve body, a valve core, a valve spindle and a handle, the valve core is mounted in the valve body. The valve spindle passes through the valve body with inner end connected to the valve core and the outer end connected to the handle. The valve body is still disposed with a cylinder shape regulation valve seat which is connected to the valve body by screw and is abutted to the valve core. The valve body is an integral structure, and is disposed with a mounting hole on its top, the diameter of the mounting hole is larger than the outer diameter of the valve core, a press cover is disposed at the mounting hole and is connected to the valve body, and the valve spindle passes through the press cover. The integral whole path ball valve is simple in structure, low in cost, and can be adapted to various large flux pipe systems.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a ball valve, in particular to a full-bore ball valve with integral design. Background technique [0002] There are generally two types of ball valves: threaded ball valves and flanged ball valves. The threaded ball valve is small in size and easy to install, but it has the disadvantages of small flow rate and poor sealing performance. The flanged ball valve includes a combination of two bodies and three bodies. Although it does not have the problem of small flow, it is a ball valve composed of multiple bodies after all, which makes the sealing performance of the flanged ball valve and the valve body tightness. Strength cannot be guaranteed. [0003] For this reason, someone has designed a kind of integrated ball valve again on the basis of flange type ball valve, for example " stuffing bin integral ball valve " that Chinese Patent No. 02247903.1 provides. It includes a valve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K27/06F16K41/02F16K5/20
Inventor 卓旦庆
Owner 浙江鹏飞阀门有限公司
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