KR101764772B1 - Three way valve for bypass - Google Patents

Three way valve for bypass Download PDF

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Publication number
KR101764772B1
KR101764772B1 KR1020160017403A KR20160017403A KR101764772B1 KR 101764772 B1 KR101764772 B1 KR 101764772B1 KR 1020160017403 A KR1020160017403 A KR 1020160017403A KR 20160017403 A KR20160017403 A KR 20160017403A KR 101764772 B1 KR101764772 B1 KR 101764772B1
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KR
South Korea
Prior art keywords
closing member
valve
opening
valve chamber
chamber
Prior art date
Application number
KR1020160017403A
Other languages
Korean (ko)
Inventor
이기완
Original Assignee
이기완
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Priority to KR1020160017403A priority Critical patent/KR101764772B1/en
Application granted granted Critical
Publication of KR101764772B1 publication Critical patent/KR101764772B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/065—Construction of housing; Use of materials therefor of taps or cocks with cylindrical plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
    • F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
    • F16K5/0442—Spindles and actuating means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

Disclosed is a three-way valve for bypassing a water supply pipe, installed in a start portion and an end portion of a pipe maintenance construction zone to allow fluid flowing a pipe to bypass and perform pipe maintenance construction in order to perform the pipe maintenance construction without stopping a flow of the fluid and reduce work processes to improve the process speed, reduce construction costs, and solve a civil affair.

Description

{THREE WAY VALVE FOR BYPASS}

The present invention relates to a three-way valve for bypassing a water supply and drainage pipe, more particularly, to a three-way valve for bypassing a water supply and drainage pipe, The present invention relates to a three-way valve for bypassing a water supply and sewerage system in which civil works can be performed without interruption of flow, work processes can be reduced, processing speed is improved, construction cost is reduced, and civil complaints are eliminated.

Generally, the conduit used for the transfer of fluid (water, sewer, water, etc.) buried in the ground gradually becomes aged over time, and due to the deterioration of the conduit, it acts as a cause of cracking or breakage of the conduit, A large amount of fluid leaks into the ground. Therefore, it is urgently required to repair or replace with a new pipeline.

In addition, 40 to 50% of existing pipelines buried in the underground are inadequately used and maintained for a long time, resulting in reduced strength and cracking, breakage, and corrosion. For example, according to statistics from the Ministry of Environment, 14.8% of tap water produced by old age is disappearing due to leakage.

In general, the replacement of old pipes, renovation, partial repair, etc. are carried out through excavation of excavated roads or unguided excavation without road excavation.

In the conventional method, the excavation method is to excavate roads after shutting off the wastewater valves provided at both ends of the construction site, replacing the old water pipes, and then re-installing the water pipes. In addition, in the method of construction of the old water pipe, the excavation works are excavated at regular intervals in the public water supply work section, and after the water supply valve provided at both ends of the public water supply work section is cut off, The old water pipe is cut, and the inner wall of the old water pipe is rehabilitated as a liner and connected to the cut part.

However, both the excavation method and the non-excavation method are subject to a number of inconveniences during the construction of the public water supply system, There is a problem that the incidence of safety accidents increases.

In addition, due to the unavoidable singular value for the construction of the public waterway, it causes low water pressure problem due to deterioration of water passage capacity of the adjacent pipelines, which makes it impossible to supply stable water, and causes various inconveniences such as extension of construction period by a single procedure There was a problem.

The object of the present invention is to provide a method and apparatus for a water treatment system that can be installed without interruption of fluid flow by providing a pilot water treatment after bypassing a fluid flowing in a pipeline, And can reduce the work process, thereby improving the process speed, reducing the construction cost, and providing a three-way valve for bypassing the pipelines.

It is also an object of the present invention to provide a three-way valve for bypass bypassing of a water supply and sewage system in which a path opening and closing member provided in a valve chamber can be smoothly and accurately rotated within a valve chamber and noise and wear are not generated.

It is also an object of the present invention to provide a three-way valve for bypassing a water supply and drainage piping configured to be firmly fixed to a pipeline coupled to a valve and a bypass pipe.

In order to accomplish the above object, according to the present invention, there is provided a three-way valve for bypassing a water supply and sewage line installed at the beginning and the end of a public sewerage construction section, the sewage pipe being divided into an upper body and a lower body, Wherein a valve connecting flange is formed at an opening portion of the valve chamber and a channel is formed at the front and rear surfaces of the valve chamber, And a bypass pipe connecting part connected to a bypass pipe is formed on one side surface of the valve chamber; The valve chamber is pierced through the opening of the valve chamber to be rotatable in the valve chamber, and the upper portion of the valve chamber is opened to correspond to the valve chamber, and the outer surface of the valve chamber is connected to the pipe connection portion and the bypass pipe connection portion A path opening / closing member configured to selectively pass or block the flow of the conduit and the bypass pipe, which are connected to the valve body and have an opening hole formed therein; An opening / closing member finishing cap closing an upper portion of the path opening / closing member and having a coupling groove formed at a central portion thereof; A lower end fixed to the coupling groove and protruding upward from an opening / closing member finishing cap to selectively rotate the path opening / closing member; And a valve cover installed at an upper portion of the valve body and coupled to the valve connection flange to close the opening portion and having a through hole through which the operation knob is inserted.

An axial groove is formed at the center of the lower surface of the valve chamber. A rotary shaft portion rotatably fitted in the axial groove is formed at the center of the lower surface of the passage opening and closing member. An annular lower groove is formed in the lower surface of the valve chamber An annular lower side groove corresponding to the lower side groove is formed on a lower surface of the path opening and closing member, and the lower side groove and the lower side groove are butt-joined to each other to form an annular lower rolling passage, A plurality of balls are inserted into the rolling passage, and an annular support plate is interposed between the opening and closing member finishing cap and the valve cover, wherein an upper annular lower groove is formed on the upper surface of the opening and closing member finishing cap, An upper annular upper groove corresponding to the upper lower groove is formed, and the upper lower groove and the upper groove are engaged with each other, Is characterized in that is configured to be a plurality of balls inserted doedoe configured to form an upper side passage of the annular cloud, the upper cloud passage.

The pipe connecting portion and the bypass pipe connecting portion are formed with a predetermined spacing hole along the circumferential direction on the outer surface of the pipe connecting portion and the bypass pipe connecting portion. So that the outer surface of the base plate is pressed and fixed.

The pressurizing fixture includes a chamber having a male thread portion formed on an outer surface thereof and a male thread portion formed on an outer surface thereof and having an insertion hole formed in a lower surface thereof, and a support member integrally formed at an upper end thereof, And a pressing spring interposed between the upper surface of the chamber and the support piece, the pressurizing bar having a pressurizing piece formed in close contact with the outer surface of the pipe and the bypass pipe.

The three-way valve for by-pass water supply and drainage according to the present invention is installed at the beginning and the end of the maintenance work section so as to bypass the fluid flowing through the pipeline and perform the maintenance work, It is possible to implement the construction work of the official gazette, reduce the work process, improve the process speed, reduce the construction cost, and resolve the civil complaint.

Further, the present invention is characterized in that a ball for rolling motion is mounted on a lower rolling passage and an upper rolling passage formed in an upper portion and a lower portion of a valve chamber in a valve chamber so that frictional resistance with the passage opening / Therefore, the path opening / closing member can be operated with a small force, the path opening / closing member can be smoothly and accurately rotated, and noise and wear are not generated.

1 is a side view of a three-way valve for bypassing a water supply and drainage pipe according to the present invention,
FIG. 2 is an exploded sectional view of internal components of a three-way valve for bypassing a water supply and drainage piping according to the present invention,
3 is a side cross-sectional view of a three-way valve for bypassing a water supply and drainage pipe according to the present invention,
FIG. 4 is a plan sectional view of a three-way valve for bypassing a water supply and drainage pipe according to the present invention,
5 is a view for explaining an embodiment of a pressure fixture according to the present invention,
6 is a view for explaining another preferred embodiment of the pressure fixing device in the present invention,
7 to 8 are views for explaining the use of a three-way valve for bypassing a water supply and drainage pipe according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a side view of a three-way valve for bypass piping according to the present invention, FIG. 2 is an exploded cross-sectional view of internal components of a three-way valve for bypassing a water supply and drainage pipe according to the present invention, FIG. 4 is a plan sectional view of a three-way valve for by-pass piping for water supply and drainage according to the present invention, FIG. 5 is a view for explaining an embodiment of the pressure fixture in the present invention, 6 is a view for explaining another preferred embodiment of the pressure fixture in the present invention.

The three-way valve for by-pass water supply and drainage according to the present invention is installed at the beginning and the end of the construction work section to bypass the fluid flowing through the pipeline, The path opening and closing member 200, the opening and closing member closing cap 300, the operation member 300, and the operation member 300. [0030] The valve body 100, the path opening and closing member 200, the opening and closing member closing cap 300, A knob 400 and a valve cover 500.

First, the valve body 100 is divided into an upper body 101 and a lower body 102 and is coupled to the outer surface of the channel 1 with the channel 1 interposed therebetween. The upper body and the lower body may have flanges 101a and 102a corresponding to each other and may be easily coupled to each other through the flanges 101a and 102a.

More specifically, the valve body 100 is formed in a cylindrical shape in a central portion thereof, and a valve chamber 110 is formed in an upper portion of which an opening portion 111 is formed. In the opening portion 111 of the valve chamber, A flange 111a is formed. Here, the valve connection flange 111a is a portion to which a perforation device for perforating the hole 1a in the conduit 1 or a valve cover 500 to be described later is engaged when the three-way valve is installed. The path opening / closing member 200, which will be described later, is inserted into the valve chamber 110 through the opening 111 of the valve chamber.

The valve chamber 110 is formed with front and rear pipe connection portions 120 and 130 to which a conduit 1 is coupled and a bypass pipe 2 is connected to one side of the valve chamber 110, A tube connecting portion 140 is formed. That is, the pipe connection part 120 and the pipe connection part 120 are connected to each other and the bypass pipe connection part 140 is connected to the bypass pipe 2 for bypassing the water of the pipe connection part 1.

The path opening and closing member 200 is inserted into the hole 1a formed in the channel 1 through the opening 111 of the valve chamber so as to be rotatable in the valve chamber 110 .

Specifically, the path opening / closing member 200 is open at the top and is formed in a cylindrical shape corresponding to the valve chamber 110. The path opening and closing member 200 is provided with an opening 210 corresponding to the pipe connecting portions 120 and 130 and the bypass pipe connecting portion 140, So as to selectively pass or block the flow of the channel 1 and the flow path of the bypass pipe 2 connected to the valve body 100. That is, the path opening / closing member 200 selectively opens or closes the pipe connecting portions 120 and 130 and the bypass pipe connecting portion 140 by rotation in the valve chamber 110, Or to change the flow of the fluid to the bypass tube 2, thereby selectively changing the path of the fluid. Of course, the path opening / closing member 200 is configured to shut off the flow of the fluid by sealing the pipe connecting portion 130.

Next, the opening and closing member finishing cap 300 is closed at the upper portion of the path opening and closing member 200, and a coupling groove 310 is formed at a central portion thereof. Here, the cap for closing the opening / closing member is coupled to the upper end of the path opening / closing member through the bolt by sealing the upper part of the path opening / closing member so that the fluid flowing into the path opening / closing member can not flow out to the upper part of the path opening / closing member.

The operation knob 400 is configured such that the lower end of the operation knob 400 is fixed to the coupling groove 310 and protrudes upward from the opening and closing member finishing cap 300 to selectively rotate the path opening and closing member 200. The operation knob 400 has a fixing plate 410 at a lower end thereof and the fixing plate 410 is received in the coupling groove 310 and then fixed to the opening and closing member finishing cap 300 through the bolts B. [ That is, when the operation knob 400 is rotated, the opening and closing member cap 300 coupled to the operation knob 400 is rotated to rotate the path opening and closing member 200 in the valve chamber 110.

Finally, the valve cover 500 is installed on the valve body 100 and is coupled to the valve connecting flange 111a to close the opening 111. [0052] The valve cover 500 is formed at its center with a through hole 510 through which the operating knob 400 passes so that the path opening and closing member 200 is rotated by the rotation of the operating knob 400.

The three-way valve for bypassing the water supply and drainage pipe according to the present invention is configured such that when the path opening / closing member 200 is rotated in the valve chamber 110, the path opening and closing member 200 is configured to roll by the ball, The frictional resistance of the path opening / closing member (200) is hardly generated.

An axial groove 112 is formed at the center of the lower surface of the valve chamber 110 and a rotary shaft 220 is coupled to the lower surface of the path opening and closing member 200 to be rotatably fitted in the axial groove 112. Is formed. That is, since the rotary shaft portion 220 formed at the center of rotation of the path opening / closing member 200 is coupled to the shaft groove 112 formed at the center of the valve chamber 110, the path opening / ), It is possible to rotate accurately without tilting to one side.

An annular lower lower groove 113 is formed on a lower surface of the valve chamber 110 and an annular lower side groove 113 corresponding to the lower lower groove 113 is formed on a lower surface of the path opening / (Not shown). When the path opening / closing member 200 is inserted into the valve chamber 110, the lower lower groove 113 and the lower upper groove 230 are engaged with the lower groove 113 of the valve chamber 110, The lower side upper grooves 230 of the path opening / closing member 200 are butt-joined to each other to form an annular lower rolling passage H1.

A plurality of balls B are inserted into the lower rolling passage H1 formed through the lower lower groove 113 and the lower upper groove 230. [ Here, a plurality of balls B are annularly mounted between the valve chamber 110 and the path opening and closing member 200. That is, the plurality of balls B mounted between the valve chamber 110 and the path opening / closing member 200 are moved in a direction in which the lower side groove 113 and the lower side groove 230 are closed when the path opening / closing member 200 is rotated, The frictional resistance between the valve chamber 110 and the path opening / closing member 200 is not generated. Therefore, when the path opening / closing member 200 is operated through the operation knob 400, it can be rotated with a small force, smooth and accurate operation is possible, 200 are extremely small and noise and vibration are absorbed by the ball rolling in the lower lower groove and the lower upper groove, thereby reducing the transmission of noise and vibration to the outside of the valve body.

An annular support plate 600 is interposed between the opening and closing member finishing cap 300 and the valve cover 500. An annular upper lower groove 320 is formed on the upper surface of the opening and closing member finishing cap 300 And an upper annular upper groove 610 corresponding to the upper lower groove 320 is formed on the lower surface of the support plate. When the support plate 600 is covered on the upper side of the cap member 300, the upper lower groove 320 of the cap member and the upper groove 610 of the support plate are butt- Thereby forming an upper-side rolling passage H2.

A plurality of balls B are inserted into the upper rolling passage H2 formed through the upper and lower grooves 320 and 610. [ Here, a plurality of balls B are annularly mounted between the opening and closing member finishing cap 300 and the support plate 600. That is, a plurality of balls B mounted between the opening and closing member finishing cap 300 and the support plate 600 can move upward and downward when the path opening and closing member 200 is rotated, The frictional resistance between the support plate 600 and the path opening / closing member 200 is not generated. Therefore, when the path opening / closing member 200 is operated through the operation knob 400, it can be rotated with a small force, smooth and accurate operation is possible, and even when used for a long time, the upper surface of the valve chamber 110, The wear of the ball 300 is extremely small and noise and vibration are absorbed by the clouds of the ball B in the upper and lower grooves 320 and 610 so that noise and vibration are transmitted to the outside of the valve body Respectively.

The three-way valve for by-pass piping according to the present invention includes a pipeline 1 and a bypass pipe 2 connected to the pipeline connection portions 120 and 130 and the bypass pipe connection portion 140 and the pipeline connection portions 120 and 130, And has a structure that is firmly coupled to the tube connecting part 140.

For this purpose, predetermined spaced fastening holes 123, 133 and 143 are formed on the outer surfaces of the pipe connecting portions 120 and 130 and the bypass pipe connecting portion 140 along the circumferential direction, and the fastening holes 700 are fastened to the fastening holes 123, And presses and fixes the outer surface of the pipe 1 and the bypass pipe 2 located in the pipe connection parts 120 and 130 and the bypass pipe connection part 140.

5, the pressure fixture 700 may be formed of a bolt, and the lower end of the bolt is configured to press the outer surface of the pipe 1 and the bypass pipe 2 to press the pipe connection portions 120 and 130, And the bypass pipe connection portion 140 are fixedly secured to the pipe 1 and the bypass pipe 2.

6, the pressure fixture 700 includes a chamber 710 having a male screw portion 711 fastened to the fastening holes 123, 133 and 144 formed on the outer surface thereof and a charging hole 712 formed in a lower surface thereof, A support piece 721 is integrally formed at an upper end of the chamber 710 and the lower end of the support piece 721 is accommodated in the chamber 710 through the introduction hole 712, And a pressing spring 730 interposed between the upper surface of the chamber 710 and the supporting piece 721 in the chamber 710. With this configuration, when the chamber 710 is fastened to the fastening holes 123, 133, and 143 in a state where the pipeline 1 and the bypass pipe 2 are fitted to the pipe connecting portions 120 and 130 and the bypass pipe connecting portion 140 And the pressure piece 722 is supported by the spring 730 and pressed against the pipe 1 or the bypass pipe 2 in a state in which the pressure piece 722 is in close contact with the pipe 1 or the bypass pipe 2. [

Therefore, since the pressure fixture 700 is configured to continuously press the outer surface of the pipe 1 or the bypass pipe 2 through the pressing piece 722 supported by the spring 730, And the bypass pipe 2 can be maintained more firmly fixed at the pipe connecting portions 120 and 130 and the bypass pipe connecting portion 140 .

As shown in FIG. 7, the three-way valve for bypassing the water supply and drainage pipe according to the present invention constructed as described above is installed at the beginning and the end of the public waterproofing work section 1 '. At this time, in the valve chamber 110, the path opening / closing member 200 temporarily closes the bypass pipe connection part 140, and then connects the bypass pipe. Then, as shown in Fig. 8, the path opening / closing member 200 is rotated in the valve chamber 110 to change the flow path of the fluid only through the bypass pipe 2. Then, the maintenance work of the repair work section (1 ') in which the flow of the fluid is interrupted is carried out.

As described above, the three-way valve for by-pass water supply and drainage according to the present invention is installed at the beginning and the end of the construction work section to bypass the fluid flowing through the pipeline, Also, it is possible to reduce the work process and improve the process speed, reduce the construction cost, and solve the complaints.

Further, the present invention is characterized in that a ball for rolling motion is mounted on a lower rolling passage and an upper rolling passage formed in an upper portion and a lower portion of a valve chamber in a valve chamber so that frictional resistance with the passage opening / Therefore, the path opening / closing member can be operated with a small force, and the path opening / closing member can be smoothly and accurately rotated, and noise and wear are not generated.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Anyone who can afford it will know.

100: valve body 200: path opening / closing member
300: opening / closing member finishing cap 400: operation knob
500: valve cover 600: support plate
700: Pressure clamp

Claims (4)

In the three-way valve for by-pass water piping installed at the beginning and the end of the construction section,
A valve chamber is formed in an upper portion of the valve chamber so as to be in contact with the outer surface of the conduit with an upper body and a lower body interposed therebetween, A valve body having a valve connecting flange formed on a front surface and a rear surface of the valve chamber, and a bypass pipe connecting part connected to a bypass pipe is formed on a side surface of the valve chamber;
The valve chamber is pierced through the opening of the valve chamber to be rotatable in the valve chamber, and the upper portion of the valve chamber is opened to correspond to the valve chamber, and the outer surface of the valve chamber is connected to the pipe connecting portion and the bypass pipe connecting portion A path opening / closing member configured to selectively pass or block the flow of the conduit and the bypass pipe, which are connected to the valve body and have an opening hole formed therein;
An opening / closing member finishing cap closing an upper portion of the path opening / closing member and having a coupling groove formed at a central portion thereof;
A lower end fixed to the coupling groove and protruding upward from an opening / closing member finishing cap to selectively rotate the path opening / closing member;
And a valve cover installed at an upper portion of the valve body and coupled to the valve connection flange to close the opening portion and having a through hole through which the operation knob is inserted,
The pipe connecting portion and the bypass pipe connecting portion are formed with a predetermined spacing hole along the circumferential direction on the outer surface of the pipe connecting portion and the bypass pipe connecting portion. And the outer surface is pressed and fixed.
The method according to claim 1,
Wherein an axial groove is formed at a center of a lower surface of the valve chamber, a rotary shaft portion rotatably fitted in the shaft groove is formed at a center of a lower surface of the passage opening /
An annular lower lower groove is formed on the lower surface of the valve chamber and an annular lower upper groove corresponding to the lower lower groove is formed on the lower surface of the path opening and closing member, And a plurality of balls are inserted into the lower rolling passages,
An annular support plate is interposed between the opening and closing member finishing cap and the valve cover. An annular upper lower groove is formed on an upper surface of the opening and closing member finishing cap. An annular upper Wherein the upper and lower upper grooves are butt-joined to each other to form an annular upper rolling passage, wherein a plurality of balls are inserted into the upper rolling passage. Three-way valve for pass.
delete The method according to claim 1,
The pressure-
A chamber having a male screw portion formed on an outer surface thereof and having an insertion hole formed in a lower surface thereof,
A pressing rod which is formed to be received in the chamber through the injection hole and integrally formed with a support piece at an upper end thereof and a pressing piece which is in close contact with an outer surface of the pipe and the bypass pipe at a lower end,
And a pressurizing spring interposed between the upper surface of the chamber and the support piece inside the chamber.
KR1020160017403A 2016-02-15 2016-02-15 Three way valve for bypass KR101764772B1 (en)

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Application Number Priority Date Filing Date Title
KR1020160017403A KR101764772B1 (en) 2016-02-15 2016-02-15 Three way valve for bypass

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107366777A (en) * 2017-09-20 2017-11-21 中国船舶重工集团公司第七0三研究所 A kind of integrated switching three-way valve
KR20210001321A (en) * 2019-06-27 2021-01-06 김태현 valve system
KR102598286B1 (en) * 2023-04-21 2023-11-03 정우정밀 주식회사 Three way valve for bypass

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004190835A (en) * 2002-12-13 2004-07-08 Waterworks Technology Development Organization Co Ltd Valve
JP2015209958A (en) * 2014-04-30 2015-11-24 株式会社不二工機 Passage selector valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004190835A (en) * 2002-12-13 2004-07-08 Waterworks Technology Development Organization Co Ltd Valve
JP2015209958A (en) * 2014-04-30 2015-11-24 株式会社不二工機 Passage selector valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107366777A (en) * 2017-09-20 2017-11-21 中国船舶重工集团公司第七0三研究所 A kind of integrated switching three-way valve
KR20210001321A (en) * 2019-06-27 2021-01-06 김태현 valve system
KR102225189B1 (en) * 2019-06-27 2021-03-08 김태현 valve system
KR102598286B1 (en) * 2023-04-21 2023-11-03 정우정밀 주식회사 Three way valve for bypass

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