Pipe clamp valve

Abstract

The invention belongs to the technical field of valves, and particularly relates to a pipe clamp valve. The pipe clamp valve comprises a valve body with a built-in flow pipe, and a medium flows in from an inlet of the flow pipe and is discharged from an outlet of the flow pipe; the valve body is further provided with a switch part used for controlling the flow pipe to be opened and closed; the pipe clamp valve is characterized in that the flow pipe is a double-layer pipe body and comprises a lining pipe serving as an inner pipe body and a protection pipe serving as an outer pipe body, and thelining pipe and the protection pipe are coaxially arranged in a sleeving manner; and the valve body is further provided with a sensing assembly used for monitoring whether media exist in a sealing gapbetween the lining pipe and the protection pipe or not. According to the pipe clamp valve, not only can the function of preventing medium leakage be achieved when the lining pipe is broken, but alsothe purpose of on-line detection of the leakage condition of the lining pipe can be achieved, so that maintenance personnel can be timely reminded of troubleshooting as soon as possible, and the use safety and reliability of the pipe clamp valve can be effectively guaranteed.

Description

technical field [0001] The invention belongs to the technical field of valves, and in particular relates to a pipe pinch valve. Background technique [0002] The pinch valve is a device used to control the directional pressure and flow of the fluid in the fluid system. It is an important control component in the pipeline fluid delivery system. It is widely used in many fields such as chemical industry, food, medical equipment, electronic industry, and sewage treatment. Applications. The traditional pinch valve relies on manual wheel rotation to control the two splints to squeeze in the same direction or move away from each other to release the liner, so as to achieve the purpose of cutting off, releasing pressure or throttling. On the one hand, since the two splints of the traditional pinch valve need to be operated independently, a large amount of action space is required, and the site occupancy rate is relatively high. On the axis of the pipe, the above-mentioned dual in...

AI Technical Summary

Problems solved by technology

On the one hand, since the two splints of the traditional pinch valve need to be operated independently, a large amount of action space is required, and the site occupancy rate is relatively high. On the axis of the pipe, the above-mentioned dual independent power mode is obviously difficult to realize in actual operation, and it is normal for the liner to be deflected or even damaged

On the other hand, since the liner of the pinch valve is squeezed, the shape of the flow channel is directly related to the shape of the wear, which leads to the high wear rate or low service life of the liner of the traditional pinch valve. Phenomenon; this phenomenon is especially reflected when the conveyed medium is polluted or corrosive medium

Once the casing of the pinch valve leaks due to rupture, if it is not found in time, it will cause pollution if it is light, and serious safety hazards if it is serious

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