Valve combination mode of high polymer material combined with ceramic and composite ball valve

A technology combining polymer materials and ceramics, applied in valve details, valve devices, valve housing structures, etc., can solve problems such as gaps, reduce production process complexity and production costs, reduce transportation energy consumption, service life and reliability sex high effect

Active Publication Date: 2012-09-26
株洲市创锐高强陶瓷有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to address the shortcomings of the existing valve structure, and propose a ceramic valve combination method with a more reasonable structure. Thi

Method used

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  • Valve combination mode of high polymer material combined with ceramic and composite ball valve
  • Valve combination mode of high polymer material combined with ceramic and composite ball valve
  • Valve combination mode of high polymer material combined with ceramic and composite ball valve

Examples

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Example Embodiment

[0038] Example one

[0039] A ball valve made of polymer material and ceramic composite. It consists of valve body 1, left elastic washer 2, left valve seat 3, valve core 4, right valve seat 5, right elastic washer 6, compensation compression sleeve 7, and The valve stem 8, the handle 9, the gland 10, the valve stem sealing ring 11 and so on. The ceramic valve core 4 and the left valve seat 3 and the right valve seat 5 are compressed by the threaded structure between the valve body and the compensation compression sleeve. The valve body is made of a certain strength polymer material. The compensation compression sleeve is made of another polymer material with a different thermal expansion coefficient than the valve body material. The elastic gasket is made of elastic polymer material. When the valve When the working temperature changes and the size of the valve body, ceramic valve core, and valve seat changes, the compensation compression sleeve realizes the main compensation. T...

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Abstract

The invention discloses a valve combination mode of high polymer material combined with ceramic and a composite ball valve. A valve core and a valve seat are made of ceramic material; a valve body is made of the high polymer material; the valve seat on at least one edge is arranged on a compensating pressing sleeve made of the high polymer material of which an expansion coefficient is greater than that of a material of the valve body, and the compensating pressing sleeve compensates a gap error caused by difference of expansion coefficients between the valve core and the high-polymer valve body material by surplus expansion quantity generated by the expansion coefficient greater that the valve body material. The invention proposes a new ball valve structure combined with the high polymer material and the ceramic by combining a common high polymer material injection technology with a production technology of a ceramic product, and the prepared ball valve has double advantages of both the high polymer and the ceramic, has corrosion resistance, durability, high service life and reliability. The productive technology complexity and the production cost are greatly reduced compared with those of the ball valve with a steel and ceramic composite structure.

Description

technical field [0001] The invention relates to a method and a product of a composite valve formed by a polymer material and ceramics, in particular to a method and a structure of a ball valve formed by a polymer material and ceramics, belonging to the technical field of valves. Background technique [0002] As far as valve products are concerned, there are many varieties of applications. In terms of ball valves alone, there are steel ball valves, various types of plastic ball valves, and glass fiber reinforced plastic ball valves. At present, the commonly used valves are metal valves. Although the structure and materials of metal valves have been improved, due to the limitations of the properties of metal materials, they cannot meet the needs of harsh working conditions such as higher and higher wear and strong corrosion. This is mainly reflected in the use of The short life and serious leakage greatly affect the stability of the system operation; the application of cerami...

Claims

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Application Information

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IPC IPC(8): F16K5/06F16K5/08F16K5/20F16K27/06
Inventor 姜桂
Owner 株洲市创锐高强陶瓷有限公司
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