Valve

A technology for valves and valve stems, which is applied in the direction of sliding valves, valve devices, engine components, etc., which can solve the problems of shortened service life, increased valve core wear, leakage, etc., and achieve the effect of free opening or closing and long service life

Active Publication Date: 2010-04-21
夏育红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This causes increased wear on the spool a

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0016] Example one

[0017] See figure 1 , Including the valve body 8, the valve stem 1, the input port 9 and the output port 7. The valve stem 1 is a hollow body, and the through hole 3 is arranged on the valve stem. A sealing sleeve 2 is provided between the valve stem 1 and the upper limit ring 10. 2 The inner edge is fixed on the valve stem 1, the outer edge of the sealing sleeve 2 is fixed on the inner wall of the valve body 8, and the upper limit ring 10 is clamped on the upper part of the valve body 8. A valve sleeve 4 is arranged between the valve stem 1 and the lower limit ring 5. The inner edge of the valve sleeve 4 is fixed on the valve stem 1, the outer edge of the valve sleeve 4 is fixed on the lower inner wall of the valve body 8, and the lower limit ring 5 is clamped on the valve body 8The lower part. A cavity is formed between the sealing sleeve 2 and the valve sleeve 4 to connect with the input port 9. The valve stem 12, the sealing sleeve 2 and the valve sleev...

Example Embodiment

[0020] Example two

[0021] In this example, two rows of through holes 3 surround the valve stem 1. The upper row of through holes is located above the inner edge of the valve sleeve 4, and the lower row of through holes is located below the inner edge of the valve sleeve 4. The rest are the same, see figure 2 .

[0022] Press the stem down, the valve opens, such as figure 2 As shown in A, the upper row of through holes 3 enters water or air, the lower row of through holes 3 exits water or air, and the output port 7 is an annular port between the valve stem and the valve body. Pull up the valve stem, the valve is closed, and the drain hole is closed by the valve sleeve, such as figure 2 Shown in B.

Example Embodiment

[0023] Example three

[0024] In this example, another sealing sleeve 11 is provided below the valve sleeve 4, and the fixing method is the same as the above. An output cavity is formed between the valve sleeve 4 and the lower sealing sleeve 11, and the output cavity is connected to an output port 7 provided on the valve body side.

[0025] In the above examples, the valve stem, valve body, and stop ring can all be made of metal or plastic, and the sealing sleeve and valve sleeve can be made of elastic rubber. The sealing sleeve and the valve sleeve can be fixed by bonding, or an annular groove is opened on the valve stem and the inner wall of the valve body, and the inner and outer edges of the sealing sleeve or the valve sleeve can be embedded in it. The invention can be used as a valve in a liquid or gas pipeline network.

[0026] The valve of the present invention opens and closes extremely quickly due to the extremely small wear force and low pressure. The water discharge vol...

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PUM

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Abstract

The invention relates to a valve. The valve comprises a valve body, a valve rod, an input port and an output port, wherein the valve rod is a hollow body and provided with through holes; a gland cover is arranged between the valve rod and an upper spacing ring, an inner edge of the gland cover is fixed on the valve rod, and an outer edge of the gland cover is fixed on the upper inner wall of the valve body; the upper spacing ring is clamped on the upper part of the valve body; a valve cover is arranged between the valve rod and a lower spacing ring, the inner edge of the valve cover is fixed on the valve rod, and the outer edge of the valve cover is fixed on the lower inner wall of the valve body; the lower spacing ring is clamped on the lower part of the valve body; and a cavity is formed between the gland cover and the valve cover, and is connected with the input port. The valve is insusceptible to water pressure and can be freely opened or closed, a valve core cannot be worn, and the service life of the valve is long, so that the valve of the invention can be used as a valve in liquid-state or gas-state pipeline networks.

Description

technical field [0001] The invention relates to a valve that can be used in liquid or gas pipelines. Background technique [0002] Existing valves, their spools are all subject to the influence of water pressure or air pressure. The greater the water or air pressure, the greater the pressure of water or gas on the spool, so that the spool can be opened or closed. The resistance will increase accordingly. Therefore, the force applied when opening or closing will also be great. This causes increased wear on the spool and causes leakage, shortening service life. Contents of the invention [0003] In view of the problems in the prior art above, the object of the present invention is to provide a valve which is not affected by water pressure, can be opened or closed freely, the valve core will not wear out, and has a long service life. [0004] The technical solution adopted by the present invention to achieve its purpose: a valve, including a valve body, a valve stem, an in...

Claims

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Application Information

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IPC IPC(8): F16K3/26F16K3/30
Inventor 夏育红
Owner 夏育红
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