Sliding extrusion type ball valve having integral structure

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...

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.

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