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Sliding extrusion type ball valve having integral structure

An integral structure, sliding extrusion technology, applied in the valve shell structure, valve details, valve device and other directions, can solve the problems of limited application promotion, complicated welding methods and welding seam leakage, etc., to achieve good integrity and reduce installation work. risk, the effect of reducing the risk of leakage

Pending Publication Date: 2020-12-15
FUZHOU ZHENXIE PIPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The welding process is complicated and requires skilled workers to hold professional welding skills certificates before they can work, which limits its application and promotion
[0003] Some existing ball valves have many welding joints, and the welding joints are relatively brittle. In the working environment of long-term alternating hot and cold and frequent pressure changes, the welds are prone to leakage.

Method used

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  • Sliding extrusion type ball valve having integral structure
  • Sliding extrusion type ball valve having integral structure
  • Sliding extrusion type ball valve having integral structure

Examples

Experimental program
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Effect test

Embodiment Construction

[0039] see Figures 1 to 8 As shown, the present invention provides a technical solution: a sliding extrusion ball valve with integral structure, including:

[0040] The valve body 1 is provided with an internally threaded socket 11 at one end, and a valve end slip pipe 3 is fixedly installed at the other end. The valve end slip pipe 3 and the valve body 1 are an integral structure. A limit ring 31 is set on the upper ring, and a valve terminal sleeve 32 is fixed on the outside of the limit ring 31;

[0041] Slip-and-squeeze pipe fitting 2, one end is an externally threaded plug joint 21, the other end is a clamping tube 23, a clamping ring 22 is fixed on the upper ring of the outer wall, and a limit step 24 is fixed on the inner wall ring, and the clamping ring 22 is isolated from the outside The outer wall joint between the threaded plug joint 21 and the snap-in barrel 23, the limit step 24 is isolated from the inner wall joint between the plug joint 21 and the snap-in barr...

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PUM

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Abstract

The invention discloses a sliding extrusion type ball valve having an integral structure in the technical field of ball valves, comprising: a valve body, a socket being provided at one end, and a valve end sliding extrusion pipe being fixedly arranged at the other end, the valve end sliding extrusion pipe and the valve body being of an integral structure, a limiting ring being annularly arranged on the outer wall of the valve end sliding extrusion pipe, and a valve end connecting cylinder being fixedly arranged on the outer side of the limiting ring; and a sliding extrusion pipe fitting, one end being a connecting plug, and the other end being a clamping cylinder, a clamping and pressing ring being annularly fixed to the outer wall, and a limiting step being annularly fixed to the inner wall, the clamping and pressing ring being isolated at the outer wall conjunction between the connecting plug and the clamping cylinder, and the limiting step being isolated at the inner wall conjunction between the connecting plug and the clamping cylinder. The operation is more convenient; the welding on an installation site is not needed; the open fire connecting operation is avoided; the mounting is easier and more convenient; the integral structure is adopted; both pressure and temperature changes are not afraid; and leakage is not likely to happen after long-term use in a worse working environment, so that the operation is safer.

Description

technical field [0001] The invention relates to the technical field of ball valves, in particular to a sliding-squeeze ball valve with an integral structure. Background technique [0002] Ball valve is one of the most common valves in pipeline medium conveying equipment, mainly used in refrigeration industry. At present, when the ball valve in the refrigeration industry is installed into the refrigeration system, it is connected together through its own socket and the butt fittings in the refrigeration system by welding. Ordinary ball valves need to be welded on-site after the butt fittings are inserted into the sockets of the ball valve during installation. Equipment such as welding machines and oxygen tanks are required, which is cumbersome to operate and carries operational risks. The welding process is complicated and requires skilled workers to hold professional welding skills certificates before they can work, which limits its application and promotion. [0003] Some...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L13/16F16L58/18F16K27/06
CPCF16K27/067F16L13/16F16L58/181
Inventor 郑振义陈城
Owner FUZHOU ZHENXIE PIPE
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