WO2020262936A1 - 조립 가능한 체크 밸브 - Google Patents
조립 가능한 체크 밸브 Download PDFInfo
- Publication number
- WO2020262936A1 WO2020262936A1 PCT/KR2020/008164 KR2020008164W WO2020262936A1 WO 2020262936 A1 WO2020262936 A1 WO 2020262936A1 KR 2020008164 W KR2020008164 W KR 2020008164W WO 2020262936 A1 WO2020262936 A1 WO 2020262936A1
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- WO
- WIPO (PCT)
- Prior art keywords
- stem
- guide
- opening
- fluid
- check valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
- F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
- F16K15/028—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open the valve member consisting only of a predominantly disc-shaped flat element
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/021—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open
- F16K15/023—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open the valve member consisting only of a predominantly disc-shaped flat element
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
-
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
Definitions
- the present invention relates to an assembleable check valve, and more particularly, a cap provided in the body of the check valve and an opening/closing part for opening and closing the inside are configured as a separate type to be separately assembled, and a disk assembly for opening and closing a fluid path is stable.
- the present invention relates to an assembleable check valve capable of supporting and simultaneously increasing the flow rate of the flowing fluid, and preventing corrosion of the disk seat even when the flow path is repeatedly opened and closed.
- a valve refers to a device that controls a flow rate, flow rate, pressure, etc. of a fluid flowing through a pipe.
- Types include check valves for flowing fluid in only one direction and blocking flow in the opposite direction, pressure valves, shielding valves, flow control valves, water flow valves, and control valves.
- a conventional valve includes a valve body and an opening and closing means for blocking or opening a path of a fluid passing through the valve body. More specifically, the valve body includes an inlet through which a fluid is introduced, a space in which the fluid supplied to the inside through the inlet stays, and an outlet through which the fluid in the space is discharged to the outside.
- the opening/closing means is connected to a stem with one side outside the valve body and the other side inside the valve body, a handle installed on one side of the stem, and the other side of the stem to open the inlet or outlet while moving linearly in both directions.
- a shielding disk is connected to a stem with one side outside the valve body and the other side inside the valve body.
- Such a conventional valve body is formed of cast iron casting (hereinafter referred to as cast iron), and in general, machining is difficult due to the nature of cast iron, which is vulnerable to temperature changes or impacts, so a guide supporting the stem described above to the cap opening the inside of the valve body Is formed integrally.
- cast iron cast iron casting
- the technical problem to be solved in the present invention is to provide a check valve that can be separately assembled by having a cap provided in the body of the check valve and an opening and closing part for opening and closing the inside of the check valve.
- Another object of the present invention is to provide an assembleable check valve capable of stably supporting a disk assembly for opening and closing a fluid path.
- an object of the present invention is to provide an assembleable check valve capable of increasing the flow rate of an incoming fluid.
- An assembleable check valve for solving the above technical problem is a check valve installed between an inlet pipe and an outlet pipe through which a fluid is transferred, wherein the inlet region is connected to the inlet pipe and into which the fluid is introduced. And a body portion having a retention area in which the fluid supplied to the inside through the inflow area resides, and a discharge area connected to the discharge pipe to discharge the fluid in the retention area to the outside; And a disk assembly provided inside the body portion to open and close a path of fluid flowing through the inlet pipe, a stem providing a moving path of the disk assembly, and a first guide supporting one side of the stem.
- An opening/closing part wherein the body part has a cap for opening the inside of the body part so that the opening/closing part can be inserted or withdrawn, and the first guide has a first coupling surface inserted and fixed to the inner circumferential surface of the through hole formed in the cap Is formed, and the disk assembly includes a disk for opening and closing an incoming fluid, and a disk stem disposed at the center of the disk and coupled to the stem, and a second guide into which the disk stem is inserted is disposed on the other side of the stem.
- the outer circumferential surface of the disc stem is supported by the inner circumferential surface of the second guide and slides along the axial direction, but an inner circumferential surface of the inlet pipe is provided with an in-guide supporting the other side of the disc stem, and the in-guide
- a support ring through which the other side of the disk stem is supported through, and a support bar extending radially outward from the support ring and fixed to the inner circumferential surface of the inlet pipe by welding are formed.
- an assembleable check valve is a check valve installed between an inlet pipe and an outlet pipe through which a fluid is transferred, wherein the inlet region is connected to the inlet pipe and into which the fluid flows, and the inlet region A body portion having a retention area in which the fluid supplied to the inside through the fluid stays and a discharge area connected to the discharge pipe to discharge the fluid in the retention area to the outside; And a disk assembly provided inside the body portion to open and close a path of fluid flowing through the inlet pipe, a stem providing a moving path of the disk assembly, and a first guide supporting one side of the stem.
- An opening/closing part wherein the body part has a cap for opening the inside of the body part so that the opening/closing part can be inserted or withdrawn, and the first guide has a first coupling surface inserted and fixed to the inner circumferential surface of the through hole formed in the cap Is formed, and a first surface extending in an axial direction and a second surface extending radially outward are formed on an inner circumferential surface of the through hole, and a first guide inserted and fixed to the step surface is formed in the first guide. 2 A mating surface is formed.
- a first coupling groove recessed along the axial direction of the stem is formed on one side of the first guide, and a first bush that simultaneously supports the inner peripheral surface of the first guide and the outer peripheral surface of the stem in the first coupling groove Can be inserted.
- a second coupling groove recessed along the axial direction of the stem is formed on the other side of the first guide, and a second bush that simultaneously supports the inner peripheral surface of the first guide and the outer peripheral surface of the stem in the second coupling groove Can be inserted.
- the second coupling groove may have a spaced surface spaced apart from the outer peripheral surface of the stem.
- the body portion and the outer circumferential surface of the cap are respectively formed radially inwardly along the circumference, and a pair of legs extending radially inward so as to be respectively inserted into a pair of mutually opposed fastening grooves are formed. It may further include a coupler.
- an assembleable check valve is a check valve installed between an inlet pipe and a discharge pipe through which a fluid is transferred, wherein the inlet region is connected to the inlet pipe and into which the fluid flows, and the inlet region A body portion having a retention area in which the fluid supplied to the inside through the fluid stays and a discharge area connected to the discharge pipe to discharge the fluid in the retention area to the outside; And a disk assembly provided inside the body portion to open and close a path of fluid flowing through the inlet pipe, a stem providing a moving path of the disk assembly, and a first guide supporting one side of the stem.
- An opening/closing part wherein the body part has a cap for opening the inside of the body part so that the opening/closing part can be inserted or withdrawn, and the first guide has a first coupling surface inserted and fixed to the inner circumferential surface of the through hole formed in the cap Is formed, and an in-plate having an inlet hole through which the fluid flowing through the inlet pipe flows is formed at an end of the inlet region, and an insertion in which the circumference of the inlet pipe is inserted by a predetermined length along the axial direction A groove is formed, and a reinforcing rib extending in an axial direction toward the disk assembly is provided around the inlet hole, and a reinforcing rib fixed by a growth welding method using a corrosion-resistant welding rod is provided around the inlet hole, and the disk assembly is seated on the reinforcing rib.
- the seating surface may be formed, and a downward slope may be formed on the seating surface in a direction away from the disk assembly such that a contact area between the
- the inlet pipe and the discharge pipe may be formed with engaging grooves extending radially inward along the periphery.
- the inlet pipe and the discharge pipe may be formed with flanges extending radially outward along the periphery.
- the outer peripheral surface of the discharge area formed in the body portion and the outer peripheral surface of the discharge pipe are each formed radially inwardly along the circumference, and extend radially inward so as to be respectively inserted into the pair of engaging grooves facing each other. It may further include a coupler with a pair of legs formed.
- the cap provided in the body portion and the opening and closing portion for opening and closing the inside are separately assembled after being configured as a separate type, so that the volume is reduced, so that handling is easy and workability is improved .
- the first and second bushes are provided in the first guide to support the disk assembly that opens and closes the fluid path, the disk assembly is stably supported so that the opening and closing operation can be reliably performed.
- the in-guide provided in the inlet pipe to support the other side of the disk stem is configured with a support ring and a support bar to increase the flow rate and smooth flow of the incoming fluid.
- FIG. 1 is a perspective view showing a check valve according to an embodiment of the present invention.
- FIG. 2 and 3 are cross-sectional views showing a check valve according to the present invention
- FIG. 2 is a view showing a state in which the flow path is closed
- FIG. 3 is a view showing a state in which the flow path is open.
- Figure 4 is an exploded cross-sectional view showing the opening and closing part according to the present invention.
- FIG. 5 is a plan view showing an in-guide according to the present invention.
- FIG. 6 is a cross-sectional view showing a check valve according to another embodiment of the present invention.
- FIG. 7 is a cross-sectional view showing an in-plate according to the present invention.
- FIGS. 8 and 9 are cross-sectional views showing a check valve according to another embodiment of the present invention.
- FIG. 1 is a perspective view showing a check valve according to an embodiment of the present invention
- FIGS. 2 and 3 are cross-sectional views illustrating a check valve according to the present invention
- FIG. 2 is a view showing a state in which a flow path is closed.
- 3 is a view showing a state in which the flow path is opened
- FIG. 4 is an exploded cross-sectional view of an opening and closing part according to the present invention
- FIG. 5 is a plan view showing an in-guide according to the present invention
- FIG. 6 is Is a cross-sectional view showing a check valve according to another embodiment of the present invention
- Figure 7 is a cross-sectional view showing an in-plate according to the present invention
- Figures 8 and 9 are cross-sectional views showing a check valve according to another embodiment of the present invention to be.
- the assembleable check valve 30 As shown in FIG. 1, in the check valve 30 installed between the inlet pipe 10 and the discharge pipe 20 through which the fluid is transferred, the assembleable check valve 30 according to the present invention, It includes a body part 100 to be discharged and an opening/closing part 200 for opening and closing a path of fluid flowing into the body part 100.
- the body portion 100 is provided with a cap 140 that opens the interior of the body portion 100 to allow the opening and closing portion 200 to be inserted or withdrawn, and the cap 140 is a coupler ( 150) may be used, and a fastening structure of the cap 140 and the body portion 100 through the coupler 150 will be described later.
- the opening/closing part 200 is provided with a handle 50 for adjusting the degree of opening of the fluid path, and the body part 100 is provided with an indicator 60 through which the operator can visually check the degree of opening. .
- bypass pipe 40 is provided so that the fluid flowing through the inlet pipe 10 moves directly to the discharge pipe 20 without passing through the body portion 100.
- the body portion 100 is connected to the inlet pipe 10, the inlet region 110 into which the fluid flows, and the fluid supplied to the inside through the inlet region 110 stays A discharge region 130 that is connected to the discharge pipe 20 and discharges the fluid in the residence region 120 to the outside is formed.
- the fluid transferred to the inlet pipe 10 flows into the body portion 100 through the inlet region 110, and passes through the retention region 120 to the outside of the body portion 100 through the discharge region 130. Is discharged. At this time, the fluid discharged to the discharge area 130 is transported along the discharge pipe 20.
- the interior of the body portion 100 includes an opening and closing portion 200 for opening and closing a path of a fluid flowing through the inlet pipe 10, and the opening and closing portion 200 is a path of the fluid flowing through the inlet pipe 10.
- a disk assembly 210 that opens and closes, a stem 220 providing a moving path of the disk assembly 210, and a first guide 230 supporting one side of the stem 220.
- the disk assembly 210 slides along the stem 220 to open and close the path of the fluid, and the first guide 230 stably supports the stem 220 so that the opening and closing operation can be reliably performed.
- the body portion 100 is provided with a cap 140 for opening the interior of the body portion 100 so that the opening or closing portion 200 can be inserted or withdrawn, and the first guide 230 ) Is formed with a first coupling surface 231 that is inserted and fixed to the inner circumferential surface of the through hole 141 formed in the cap 140.
- the first coupling surface 231 is formed so that the first guide 230 supporting one side of the stem 220 of the opening/closing part 200 is inserted and fixed to the cap 140, so that the cap provided on the body part 100 ( 140) and the opening/closing part 200 for opening and closing the flow path are configured as a separate type, and since they are separately assembled, the total volume of the cap 140 is reduced, so that handling is easy and workability can be improved.
- the body portion 100 may have an integral structure disposed in a straight line through the inflow area 110, the stay area 120, and the cap 140, in which the opening/closing unit 200 is installed. This is because the stem 220 is disposed in the inflow region 110 and the stay region 120 arranged in a straight line, so that the length of the stem 220 exposed to the outside of the body part 100 can be shortened. This is because the check valve 30 can be formed.
- At least one of the above-described body portion 100 and cap 140 may be formed of a pipe made of steel or stainless steel, thereby reducing volume and weight, and improving durability. You can increase it.
- a stepped surface 142 extending radially outward is formed on the inner circumferential surface of the through hole 141, and a first guide 230 is inserted and fixed to the stepped surface 142. 2
- the coupling surface 232 is formed.
- the opening and closing portion 200 needs to be accurately fixed to the cap 140, and for this purpose, as described above, a through hole formed in the cap 140 ( A stepped surface 142 extending radially outward is formed on the inner circumferential surface of the 141, and a second coupling surface 232 inserted and fixed to the stepped surface 142 is formed on the first guide 230. At this time, a first surface 142a extending in the axial direction and a second surface 142b extending radially outward are formed on the stepped surface 142.
- a first coupling groove 233 recessed along the axial direction of the stem 220 is formed on one side of the first guide 230, and the first coupling groove 233 A first bush 240 that simultaneously supports the inner circumferential surface of the first guide 230 and the outer circumferential surface of the stem 220 may be inserted.
- the stem 220 is installed through the first bush 240 1 bush 240 is to support the stem 220.
- a screw structure corresponding to each other may be formed on the inner circumferential surface of the first guide 230 and the outer circumferential surface of the first bush 240.
- the first bush 240 is O-rings may be provided.
- a second coupling groove 234 recessed along the axial direction of the stem 220 is formed on the other side of the first guide 230, and the inner circumferential surface of the first guide 230 and the second coupling groove 234 A second bush 250 that simultaneously supports the outer peripheral surface of the stem 220 may be inserted.
- the second bush 250 is inserted and fixed first in the second coupling groove 234 recessed on the other side of the first guide 230, and then the stem 220 is The second bush 250 is installed through the bush 250 to support the stem 220.
- a screw structure corresponding to each other may be formed on the inner circumferential surface of the first guide 230 and the outer circumferential surface of the second bush 250.
- a thread s is formed on the outer circumferential surface of the stem 220, and a corresponding thread ds corresponding to the thread s may be formed on the inner circumferential surface of the second bush 250.
- the stem 220 can be stably supported, and eventually the disk assembly 210 can be stably supported.
- the opening and closing operation is reliably performed.
- the second coupling groove 234 may be formed with a separation surface (234a) spaced apart from the outer peripheral surface of the stem 220.
- This separation surface (234a) may be formed between the first bush (240) and the second bush (250), and when the separation surface (234a) is formed in this way, the stem 220 is the first bush (240) Since it is supported only by the and the second bush, it does not directly contact the inner circumferential surface of the first guide 230, so when the user rotates the stem 220 using the handle 50, the stem 220 is operated with a small force. It will be able to rotate smoothly.
- the disk assembly 210 includes a disk 211 that opens and closes the incoming fluid, and a disk stem that is disposed at the center of the disk 211 and is coupled to the stem 220. (212) may be included.
- the opening/closing part 200 is provided with a spring 260 installed around the stem 220 to provide an elastic restoring force to shield the fluid flowing through the inlet pipe 10.
- the other side of the stem 220 is provided with a second guide 221 into which the disc stem 212 is inserted, and the outer circumferential surface of the disc stem 212 is supported by the inner circumferential surface of the second guide 221 along the axial direction. You can slide and move.
- the disk stem 212 is also moved. At this time, the disk stem 212 is provided on the other side of the stem 220. It is pushed while moving in the axial direction along the inner circumferential surface of the second guide 221, and when the outer circumferential surface of the disk stem 212 is configured to be supported by the inner circumferential surface of the second guide 221, the disk 211 is moved to the stem 220 ), the flow path is opened and closed while stably moving along the axial direction.
- fastening grooves 101 and 143 are formed radially inward along the periphery on the outer circumferential surfaces of the body 100 and the cap 140, respectively, and inserted into a pair of fastening grooves 101 and 143 facing each other.
- a coupler 150 having a pair of legs 151 extending radially inwardly may be further included.
- the coupler 150 is that two or more coupling segments are assembled, and may be composed of two, three, or four coupling segments according to the size.
- coupling grooves 101 and 143 are formed along the circumferential direction through machining. , When fastened using the coupler 150, it is possible to secure ease of fastening and stability.
- the body portion 100 may be composed of a seamless pipe (seamless pipe) or a welded steel pipe (welded steel pipe).
- a seamless pipe is made by drilling a hole in the material and then processing it or extruding the already punched material with a press.
- Typical methods include rolling drilling, centrifugal casting, extrusion, and drawing. It is mainly used for special piping such as high pressure, high temperature, low temperature, corrosion resistance that cannot be used as welded steel pipe, mechanical structure, and heat exchanger.
- welded steel pipes are made by bending steel plates to weld joints, and are classified into electric resistance welded steel pipes (ERW steel pipes), gas welded pipes, and arc welded steel pipes (SAW steel pipes) according to the welding method. Depending on the nature of the raw material, it may be classified into carbon steel pipe, stainless steel pipe, and galvanized steel pipe.
- EW steel pipes electric resistance welded steel pipes
- SAW steel pipes arc welded steel pipes
- a coupling groove 101 is formed through machining and connected by a ring joint or a groove joint method, or the inlet pipe 10 and the discharge pipe 20 are connected by welding. It is also possible, through which it is possible to reduce the volume and weight and increase the durability.
- an in-guide 160 for supporting the other side of the disk stem 212 may be provided on the inner circumferential surface of the inlet pipe 10.
- one side of the disk stem 212 is supported by the second guide 221 provided on the stem 220, and the other side of the disk stem 212 is supported by the in-guide 160. It constitutes, and through this, it is possible to stably support and open/close the disk stem 212.
- the in-guide 160 may be fixed to the inner circumferential surface of the inlet pipe 10 by welding.
- the in-guide 160 includes a support ring 161 through which the other side of the disk stem 212 is supported, and extends radially outward from the support ring 161 to form an inlet pipe (
- the support bar 162 may be formed in contact with the inner peripheral surface of 10).
- an inlet plate 170 formed with an inlet hole 171 through which the fluid flowing through the inlet pipe 10 flows, and the inlet pipe 10 in the inlet plate 170
- An insertion groove 172 may be formed in which the circumference of is inserted by a predetermined length along the axial direction.
- the body portion 100 is formed of steel or stainless steel, it is possible to fix the phosphorus plate 170 to the body portion 100 by a welding method.
- the angle of the inlet pipe 10 and the outlet pipe 20 welded to the body portion 100 and the in plate 170 as shown in FIG. 3, the horizontal check valve 30 or FIG. 6 As shown, it is possible to configure the angle-type check valve 30.
- an insertion groove 172 is formed around the inlet hole 171 formed in the in-plate 170 so that the circumference of the inlet pipe 10 can be inserted a certain distance along the axial direction, the inlet hole 171 is accurate. It becomes possible to be fixedly arranged in position.
- a reinforcing rib 173 extending in the axial direction toward the disk assembly 210 may be provided around the inlet hole 171, and the disk assembly 210 is provided on the reinforcing rib.
- the seating surface 173a to be seated is formed, and the seating surface 173a may have a downward slope (a) in a direction away from the disk assembly 210.
- the reinforcing rib 173 is made of stainless steel, and can be directly welded to a position where the disk assembly 210 is seated on one side of the in-plate 170. These reinforcing ribs 173 are preferably grown-up welding with a corrosion-resistant welding rod to prevent corrosion, through which the corrosion resistance or hardness of the reinforcing rib 173 (abrasion resistance in preparation for frequent operation of the disk assembly 210) Increase), etc.
- a downward slope is formed on the seating surface 173a formed on the reinforcing rib 173. This is to effectively close the fluid flow path by increasing the contact area between the disk assembly 210 and the seating surface 173a as the elastic restoring force of the spring increases.
- the inlet pipe 10 and the outlet pipe 20 may be provided with locking grooves 12 and 22 extending radially inward along the periphery.
- flanges 11 and 21 extending radially outwardly along the periphery may be formed in the inlet pipe 10 and the outlet pipe 20.
- the outer circumferential surface of the discharge region 130 formed in the body portion 100 and the outer circumferential surface of the discharge pipe 20 are respectively formed with fastening grooves 101 radially inwardly along the circumference, facing each other.
- a coupler 150 having a pair of legs 151 extending radially inwardly so as to be inserted into the pair of fastening grooves 101 may be further included.
- the coupler 150 is that two or more coupling segments are assembled, and may be composed of two, three, or four coupling segments according to the size.
- the body part 100, the inlet pipe 10, and the discharge pipe 20 are preferably formed of steel or stainless steel, and when configured in this way, a valve body made of conventional cast iron In comparison, the tensile strength and water pressure resistance are increased so that they are not easily broken or deformed in the process of use, and the body part 100, the inlet pipe 10, and the outlet pipe 20 are welded, such as a ring joint, a groove joint, etc. As it can be connected in a way, workability is improved, and manufacturing costs can be reduced by reducing airflow.
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
Description
Claims (10)
- 유체가 이송되는 유입관 및 배출관 사이에 설치되는 체크 밸브에 있어서,상기 유입관과 연결되어 유체가 유입되는 유입 영역과, 상기 유입 영역을 통해 내부로 공급된 유체가 체류하는 체류 영역과, 상기 배출관과 연결되어 상기 체류 영역의 유체를 외부로 배출하는 배출 영역이 형성된 바디부; 및상기 바디부의 내부에 구비되어 상기 유입관을 통해 유입되는 유체의 경로를 개폐하는 디스크 조립체와, 상기 디스크 조립체의 이동 경로를 제공하는 스템과, 상기 스템의 일측을 지지하는 제1 가이드가 구비된 개폐부;를 포함하며,상기 바디부에는 상기 개폐부를 인입 또는 인출 가능하도록 상기 바디부의 내부를 개방하는 캡이 구비되되,상기 제1 가이드에는 상기 캡에 형성된 관통홀의 내주면에 삽입 고정되는 제1 결합면이 형성되며,상기 디스크 조립체는 유입되는 유체를 개폐하는 디스크와, 상기 디스크의 중심에 배치되어 상기 스템과 결합하는 디스크 스템을 포함하고,상기 스템의 타측에는 상기 디스크 스템이 삽입되는 제2 가이드가 구비되며,상기 디스크 스템의 외주면은 상기 제2 가이드의 내주면에 지지되면서 축 방향을 따라 슬라이딩 이동하되,상기 유입관의 내주면에는 상기 디스크 스템의 타측을 지지하는 인 가이드가 구비되며,상기 인 가이드에는 상기 디스크 스템의 타측이 관통 지지되는 지지링과, 상기 지지링으로부터 반경 방향 외측으로 연장 형성되어 상기 유입관의 내주면에 용접 방식으로 고정되는 지지바가 형성되는 조립 가능한 체크 밸브.
- 유체가 이송되는 유입관 및 배출관 사이에 설치되는 체크 밸브에 있어서,상기 유입관과 연결되어 유체가 유입되는 유입 영역과, 상기 유입 영역을 통해 내부로 공급된 유체가 체류하는 체류 영역과, 상기 배출관과 연결되어 상기 체류 영역의 유체를 외부로 배출하는 배출 영역이 형성된 바디부; 및상기 바디부의 내부에 구비되어 상기 유입관을 통해 유입되는 유체의 경로를 개폐하는 디스크 조립체와, 상기 디스크 조립체의 이동 경로를 제공하는 스템과, 상기 스템의 일측을 지지하는 제1 가이드가 구비된 개폐부;를 포함하며,상기 바디부에는 상기 개폐부를 인입 또는 인출 가능하도록 상기 바디부의 내부를 개방하는 캡이 구비되되,상기 제1 가이드에는 상기 캡에 형성된 관통홀의 내주면에 삽입 고정되는 제1 결합면이 형성되고,상기 관통홀의 내주면에는 축 방향으로 연장되는 제1 면과, 반경 방향 외측으로 연장되는 제2 면이 형성되는 단차면이 형성되고,상기 제1 가이드에는 상기 단차면에 삽입 고정되는 제2 결합면이 형성되는 조립 가능한 체크 밸브.
- 제1항에 있어서,상기 제1 가이드의 일측에는 상기 스템의 축 방향을 따라 함몰된 제1 결합홈이 형성되고,상기 제1 결합홈에는 상기 제1 가이드의 내주면과 상기 스템의 외주면을 동시에 지지하는 제1 부시가 삽입되는 조립 가능한 체크 밸브.
- 제3항에 있어서,상기 제1 가이드의 타측에는 상기 스템의 축 방향을 따라 함몰된 제2 결합홈이 형성되고,상기 제2 결합홈에는 상기 제1 가이드의 내주면과 상기 스템의 외주면을 동시에 지지하는 제2 부시가 삽입되는 조립 가능한 체크 밸브.
- 제4항에 있어서,상기 제2 결합홈에는 상기 스템의 외주면과 상호 이격되는 이격면이 형성되는 조립 가능한 체크 밸브.
- 제1항에 있어서,상기 바디부와 상기 캡의 외주면에는 둘레를 따라 반경 방향 내측으로 체결홈이 각각 형성되고,상호 대향하는 한 쌍의 상기 체결홈에 각각 삽입되도록 반경 방향 내측으로 연장된 한 쌍의 레그가 형성된 커플러를 더 포함하는 조립 가능한 체크 밸브.
- 유체가 이송되는 유입관 및 배출관 사이에 설치되는 체크 밸브에 있어서,상기 유입관과 연결되어 유체가 유입되는 유입 영역과, 상기 유입 영역을 통해 내부로 공급된 유체가 체류하는 체류 영역과, 상기 배출관과 연결되어 상기 체류 영역의 유체를 외부로 배출하는 배출 영역이 형성된 바디부; 및상기 바디부의 내부에 구비되어 상기 유입관을 통해 유입되는 유체의 경로를 개폐하는 디스크 조립체와, 상기 디스크 조립체의 이동 경로를 제공하는 스템과, 상기 스템의 일측을 지지하는 제1 가이드가 구비된 개폐부;를 포함하며,상기 바디부에는 상기 개폐부를 인입 또는 인출 가능하도록 상기 바디부의 내부를 개방하는 캡이 구비되되,상기 제1 가이드에는 상기 캡에 형성된 관통홀의 내주면에 삽입 고정되는 제1 결합면이 형성되며,상기 유입 영역의 단부에는 상기 유입관을 통해 유입되는 유체가 흐르는 유입홀이 형성된 인 플레이트가 구비되고,상기 인 플레이트에는 상기 유입관의 둘레가 축 방향을 따라 일정 길이만큼 삽입되는 삽입홈이 형성되고,상기 유입홀의 둘레에는 상기 디스크 조립체를 향해 축 방향으로 연장되되, 상기 유입홀의 둘레에 내식성 용접봉을 이용한 육성 용접 방식으로 고정되는 보강 리브가 구비되되,상기 보강 리브에는 상기 디스크 조립체가 안착되는 안착면이 형성되고,상기 안착면에는 스프링의 탄성 복원력이 증가할수록 상기 디스크 조립체와 상기 안착면의 접촉 면적이 증가하도록 상기 디스크 조립체와 멀어지는 방향으로 하향 경사가 형성되는 조립 가능한 체크 밸브.
- 제1항에 있어서,상기 유입관과 상기 배출관에는 둘레를 따라 반경 방향 내측으로 연장 형성된 걸림홈이 형성되는 조립 가능한 체크 밸브.
- 제1항에 있어서,상기 유입관과 상기 배출관에는 둘레를 따라 반경 방향 외측으로 연장 형성된 플랜지가 형성되는 조립 가능한 체크 밸브.
- 제1항에 있어서,상기 바디부에 형성된 상기 배출 영역의 외주면과 상기 배출관의 외주면에는 둘레를 따라 반경 방향 내측으로 체결홈이 각각 형성되고,상호 대향하는 한 쌍의 상기 체결홈에 각각 삽입되도록 반경 방향 내측으로 연장된 한 쌍의 레그가 형성된 커플러를 더 포함하는 조립 가능한 체크 밸브.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021577979A JP7489121B2 (ja) | 2019-06-28 | 2020-06-23 | 組立可能なチェックバルブ |
| CN202080045947.8A CN114008362A (zh) | 2019-06-28 | 2020-06-23 | 能够组装的止回阀 |
| US17/623,002 US12060949B2 (en) | 2019-06-28 | 2020-06-23 | Assemblable check valve |
| EP20830614.2A EP3992503A4 (en) | 2019-06-28 | 2020-06-23 | Assemblable check valve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190077818A KR102151431B1 (ko) | 2019-06-28 | 2019-06-28 | 조립 가능한 체크 밸브 |
| KR10-2019-0077818 | 2019-06-28 |
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| WO2020262936A1 true WO2020262936A1 (ko) | 2020-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2020/008164 Ceased WO2020262936A1 (ko) | 2019-06-28 | 2020-06-23 | 조립 가능한 체크 밸브 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12060949B2 (ko) |
| EP (1) | EP3992503A4 (ko) |
| JP (1) | JP7489121B2 (ko) |
| KR (1) | KR102151431B1 (ko) |
| CN (1) | CN114008362A (ko) |
| WO (1) | WO2020262936A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4306830A4 (en) * | 2021-03-11 | 2024-09-11 | Ishizaki Co., Ltd. | CHECK VALVE |
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| NO346853B1 (no) * | 2021-06-23 | 2023-01-30 | Braathen Thor F | Et skap for kaldt og varmt forbruksvann til hus med nødvendige ventiler og fordelerrør |
| CN119802304A (zh) * | 2024-10-21 | 2025-04-11 | 和正丰科技股份有限公司 | 截止阀的阀体流道改良 |
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| US12292124B2 (en) | 2021-03-11 | 2025-05-06 | Ishizaki Co., Ltd. | Check valve |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3992503A4 (en) | 2023-07-26 |
| US12060949B2 (en) | 2024-08-13 |
| EP3992503A1 (en) | 2022-05-04 |
| JP2022539391A (ja) | 2022-09-08 |
| US20220228670A1 (en) | 2022-07-21 |
| JP7489121B2 (ja) | 2024-05-23 |
| CN114008362A (zh) | 2022-02-01 |
| KR102151431B1 (ko) | 2020-09-03 |
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