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Stop valve capable of distinguishing high end and low end

A globe valve and valve stem technology, applied in the field of globe valves, can solve the problems of loose valve body and connecting parts, inconvenient installation and fixation, labor and material resources consumption, etc., and achieve the effect of avoiding water flow back pressure, realizing stable installation and simple structure

Pending Publication Date: 2022-02-01
JIANGSU TESK VALVE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the existing globe valve is installed and used, due to the structure of the globe valve body, it is not easy to install and fix. When the globe valve must be installed, it often needs to be stabilized with the help of fixing parts, which is too cumbersome, and the structure of the traditional fixing method is monotonous , although it can play a basic fixing role, in the actual use of the globe valve, in view of the different operating environments of the globe valve, if the water pressure is too high, it is easy to cause the valve body to vibrate during the opening and closing process of the globe valve, which may cause It causes looseness between the valve body and the connecting piece, and for the installation and fixation of the multi-size connecting pipe head, the connecting pipe head must be dealt with accordingly, which consumes too much manpower and material resources, and brings certain adverse effects to the use of people To this end, we propose a globe valve that can distinguish between high and low ends

Method used

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  • Stop valve capable of distinguishing high end and low end
  • Stop valve capable of distinguishing high end and low end
  • Stop valve capable of distinguishing high end and low end

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0033] This embodiment is a cut-off valve that can distinguish high and low ends.

[0034] Such as Figure 1-7 As shown, a cut-off valve that can distinguish between high and low ends includes a cut-off valve 1, the upper section of the cut-off valve 1 is provided with a valve stem 2, and the outer wall of the lower end of the cut-off valve 1 is provided with a stabilizing mechanism 3, and one end of the stop valve 1 is provided with a Connect component 4.

[0035]The outer wall of the middle section of the valve stem 2 is threadedly connected with the inner wall of the upper section of the stop valve 1, and the stabilizing mechanism 3 is detachable on the outer wall of the lower end of the stop valve 1, and the connecting component 4 is detachably connected to one end of the stop valve 1, and the stop valve 1 includes a valve body 101 , the liquid outlet 102, the first spoiler 103, the stopper 104, the second spoiler 105, the liquid inlet 106, the middle section outer wall o...

specific Embodiment 2

[0038] This embodiment is an embodiment of the main body of a cut-off valve that can distinguish high and low ends.

[0039] Such as figure 1 , 2 As shown in 7, a cut-off valve body that can distinguish high and low ends, the stop valve 1 includes a valve body 101, a liquid outlet 102, a first baffle 103, a stop 104, a second baffle 105, an inlet Liquid port 106, the outer wall of the middle section of the valve stem 2 is threadedly connected with the upper section inner wall of the valve body 101, the liquid outlet 102, the first baffle plate 103, the stop 104, the second baffle plate 105 and the liquid inlet 106 are all opened in the Inside the valve body 101, the first baffle plate 103 and the second baffle plate 105 are located between the valve body 101 and the liquid inlet 106, and the check port 104 is located between the first baffle plate 103 and the second baffle plate 105. Between, the stopper 104 fits with the lower end structure of the valve stem 2, the lower en...

specific Embodiment 3

[0041] This embodiment is an embodiment of a stabilizing mechanism for a cut-off valve that can distinguish high and low ends.

[0042] Such as figure 1 , 3 As shown in 4, it is a stabilizing mechanism for a cut-off valve that can distinguish high and low ends. The stabilizing mechanism 3 includes a fixing plate 301, a rivet 302, a buffer mechanism 303, a fixing seat 304 and a clamp 305, and the fixing seat 304 is viewed from the side. U"-shaped structure, the four fixed plates 301 are opened by the lower section of the fixed seat 304 and based on the rectangular array of its geometric center, the main body of the buffer mechanism 303 is bonded to the inner wall of the upper end of the fixed seat 304, and the buffer mechanism 303 and the cut-off valve 1 The structures match, the two clips 305 are located on both sides of the upper end of the fixing seat 304 respectively, and the other ends of the two clips 305 are connected to the rear side of the upper end of the fixing seat...

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Abstract

The invention discloses a stop valve capable of distinguishing a high end and a low end. The stop valve comprises a stop valve body, a valve rod is arranged on the upper section of the stop valve body, a stabilizing mechanism is arranged on the outer wall of the lower end of the stop valve body, and a connecting assembly is arranged at one end of the stop valve body. According to the stop valve capable of distinguishing the high end and the low end, design is reasonable, dual protection is achieved, the service life of the stop valve is indirectly guaranteed, stable installation of the stop valve is effectively achieved through the arranged stabilizing mechanism, the buffering mechanism is arranged, and the buffering effect of the buffering mechanism is good. The use effect of the stabilizing mechanism is further improved, the connecting assembly is set, the sealing soft sleeve are made of natural rubber serving as a base material, the elasticity is good, the attaching degree is excellent, the connecting sealing performance of the stop valve is indirectly guaranteed, the sealing performance of the connecting assembly is good, the practicability is high, and better use prospects are brought.

Description

technical field [0001] The invention relates to the field of valves, in particular to a cut-off valve capable of distinguishing high and low ends. Background technique [0002] Globe valve, also known as cut-off valve, is a forced sealing valve. Therefore, when the valve is closed, pressure must be applied to the valve disc to force the sealing surface not to leak. When the medium enters the valve from the bottom of the valve disc, the resistance that the operating force needs to overcome , is the friction force between the valve stem and the packing and the thrust generated by the pressure of the medium. The force to close the valve is greater than the force to open the valve, so the diameter of the valve stem should be larger, otherwise the failure of the valve stem to bend will occur. Press the connection There are three methods: flange connection, screw connection, and welding connection. After the appearance of the self-sealing valve, the flow direction of the medium of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/00F16K1/32F16K1/36F16K1/42F16K47/02
CPCF16K1/00F16K1/32F16K1/36F16K1/42F16K47/023
Inventor 朱琳莉
Owner JIANGSU TESK VALVE MFG CO LTD