WO2011024275A1 - 流量制御弁 - Google Patents
流量制御弁 Download PDFInfo
- Publication number
- WO2011024275A1 WO2011024275A1 PCT/JP2009/064931 JP2009064931W WO2011024275A1 WO 2011024275 A1 WO2011024275 A1 WO 2011024275A1 JP 2009064931 W JP2009064931 W JP 2009064931W WO 2011024275 A1 WO2011024275 A1 WO 2011024275A1
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- WO
- WIPO (PCT)
- Prior art keywords
- control valve
- flow control
- valve
- flow rate
- ports
- Prior art date
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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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
- F16K15/14—Check valves with flexible valve members
- F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre
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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
- F16K15/1825—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for check valves with flexible valve members
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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
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8158—With indicator, register, recorder, alarm or inspection means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8158—With indicator, register, recorder, alarm or inspection means
- Y10T137/8225—Position or extent of motion indicator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8158—With indicator, register, recorder, alarm or inspection means
- Y10T137/8225—Position or extent of motion indicator
- Y10T137/8259—Selection from plural branches
Definitions
- the present invention relates to a flow control valve capable of controlling the flow rate of fluid flowing between a pair of ports by axially displacing a rod having a valve portion.
- a fluid pressure device such as a cylinder
- the flow rate control capable of controlling the operation of the fluid pressure device by adjusting the flow rate of the fluid supplied / discharged to the fluid pressure device
- the valve is known.
- the cylindrical portion is formed to be orthogonal to the longitudinal direction of the body.
- a valve body is mounted, and a throttling valve for adjusting the flow rate of the fluid flowing in the body is screwed on and off in the insertion hole in the valve body. Then, by moving the throttle valve forward and backward, the flow rate of the fluid flowing to and from the valve body is adjusted.
- the flow control valve described above is generally installed at a position separated from a fluid pressure device such as a cylinder and is often remotely adjusted, and is often used as a manifold in which a plurality of units are connected in series. . In such a case, it is difficult to recognize the flow control valve to be operated among the plurality of flow control valves, and since the flow control valve is often formed symmetrically, the fluid It is difficult to confirm the distribution direction of
- a general object of the present invention is to provide a flow control valve capable of reliably and easily confirming the flow direction of fluid.
- the present invention relates to a flow control valve capable of controlling the flow rate of fluid flowing between a pair of ports by axially displacing a rod having a valve portion, And a body having the ports respectively provided at one end and the other end, and a flow path through which the fluid supplied from the port flows.
- the body is characterized in that it has a pointing means facing the outside of the body and provided only on one side of a set of ports.
- FIG. 1 is an external perspective view of a flow control valve according to the present embodiment.
- FIG. 2 is an external side view of the flow control valve shown in FIG.
- FIG. 3 is an external plan view of the flow control valve shown in FIG.
- FIG. 4 is an overall longitudinal sectional view of the flow control valve shown in FIG.
- FIG. 5 is an enlarged sectional view showing the vicinity of a needle valve, a valve holder, and a seat ring constituting the flow control valve of FIG. 6 is an external side view showing a state in which the plate portion is bent upward with the notch portion as a fulcrum in the flow control valve of FIG.
- the flow control valve 10 is provided at a central portion of the body 16 having first and second ports 12 and 14 to which fluid is supplied / discharged, as shown in FIGS. 1 to 5.
- a valve mechanism 18 for controlling the flow state of pressure fluid (for example, compressed air) flowing from the first port 12 to the second port 14; and for manually controlling the flow rate of pressure fluid by the valve mechanism 18.
- a handle 20 for controlling the flow state of pressure fluid (for example, compressed air) flowing from the first port 12 to the second port 14; and for manually controlling the flow rate of pressure fluid by the valve mechanism 18.
- FIG. 4 shows a fully closed state in which the communication between the first port 12 and the second port 14 is blocked by a needle valve 54 (described later) that constitutes the valve mechanism 18.
- the body 16 has a first cylindrical portion 22 extending in a straight line, and a second cylindrical portion 24 connected to a substantially central portion along the axial direction of the first cylindrical portion 22, and the second cylinder
- the portion 24 is joined so as to be orthogonal to the axis of the first cylindrical portion 22 and extends upward at a predetermined height.
- a pair of attachment portions 26a and 26b which are substantially orthogonal to the axis of the first cylindrical portion 22 and into which bolts (not shown) are inserted are formed in the vicinity of the joint portion between the first cylindrical portion 22 and the second cylindrical portion 24. Ru.
- the flow control valve 10 is fixed to the other apparatus which is not shown in figure via the said bolt (not shown) penetrated by the hole 27 of attachment part 26a, 26b.
- the plate portion 28 extending from the upper portion of the mounting portion 26 a toward the one end side (the arrow A direction) of the first cylindrical portion 22 is provided.
- the plate portion 28 is made of, for example, a resin material, is formed in a substantially rectangular planar shape having a substantially constant thickness, and is gradually inclined downward in a direction (arrow A direction) away from the attachment portion 26a. doing.
- one end of the plate portion 28 is joined so as to have the same height as the upper portion of the attachment portion 26a, and the other end is located at the upper portion of the first cylindrical portion 22 and on the first cylindrical portion 22 side. It is bent towards (see FIGS. 2 and 4).
- the plate portion 28 is formed in a cantilever shape in which only one end side is supported with respect to the attachment portion 26a.
- a notch 29 cut out in a triangular shape in cross section is formed on the lower surface side facing the first cylindrical portion 22.
- the notch 29 is provided at a position close to the attachment portion 26 a.
- a first port 12 to which pressure fluid is introduced is opened, and at the other end, a second port 14 to which the pressure fluid is discharged is opened.
- the tubes 31a and 31b are connected to the first and second ports 12 and 14 via connection units 30a and 30b attached to the openings of the first and second ports 12 and 14, respectively.
- pressure fluid supplied from a pressure fluid supply source (not shown) through the tube 31a is introduced into the first port 12, and pressure fluid flowing in the body 16 is connected to the second port 14. It will be supplied to other fluid pressure apparatus (for example, cylinder) through the tube 31b.
- a recessed portion 32 formed in a substantially planar shape is provided which is recessed from the outer peripheral surface of the first cylindrical portion 22 formed in a circular cross section.
- the recess 32 is provided below the second cylindrical portion 24 and the mounting portion 26a, and is formed substantially in parallel with the axis of the first cylindrical portion 22 and has a substantially rectangular shape having a predetermined area. . Then, for example, by writing a JIS symbol or the like in the recess 32, it is possible to visually recognize the flow direction of the fluid in the flow control valve 10 from the outside.
- the concave portion 32 when the concave portion 32 is viewed from above the body 16, the concave portion 32 is provided only on one side surface side of the first cylindrical portion 22 centering on the second cylindrical portion 24 and is not provided on the other side surface side
- the installation direction of the flow control valve 10 and the flow direction of the fluid flowing through the flow control valve 10 can be easily confirmed by the position of the recess 32.
- first and second passages 33, 34 extending from the first and second ports 12, 14 along the axial direction (arrows A, B) are formed respectively
- a communication chamber 36 is formed between the first passage 33 and the second passage 34.
- Ring-shaped packings 38 are respectively attached to the first and second passages 33, 34 in proximity to the connection units 30a, 30b, and ring-shaped spacers 40 are respectively arranged in positions adjacent to the packings 38. It is attached.
- the spacer 40 is engaged with the step formed in the first and second passages 33 and 34, and the movement of the first cylindrical portion 22 to the central side is restricted and positioned.
- the movement of the adjacent packing 38 is also regulated by the spacer 40 and positioned.
- the packing 38 abuts on the outer peripheral surface of the tubes 31a and 31b inserted from the first and second ports 12 and 14 to prevent leakage of pressure fluid to the outside through the outer peripheral side of the tubes 31a and 31b. Be done.
- a first wall portion 42 which is orthogonal to the extending direction (arrows A and B directions) of the first passage 33 and faces the communication chamber 36 is provided. It communicates with the communication chamber 36 through a communication passage 44 a opened between the first wall portion 42 and the inner wall surface of the first passage 33.
- a second wall 46 which is orthogonal to the extending direction of the second passage 34 and faces the communication chamber 36, is provided.
- the second passage 34 communicates with the communication chamber 36 through a communication passage 44 b opened between the second passage 34 and the inner wall surface of the second passage 34.
- the first wall portion 42 extends upward from the lower side in the first passage 33, and the communication passage 44a is formed in the upper side in the first passage 33, and the second wall portion 46 is The second passage 34 extends downward from above, and a communication passage 44 b is formed downward in the second passage 34.
- the communication passage 44 a in the first passage 33 and the communication passage 44 b in the second passage 34 are formed to alternate along the direction orthogonal to the axis of the first cylindrical portion 22.
- the communication chamber 36 is formed coaxially with the second cylindrical portion 24, and a part of the valve mechanism 18 is inserted therein.
- the second cylindrical portion 24 opens upward, and a mounting hole 48 to which the valve mechanism 18 is mounted is formed to extend in the vertical direction, and the mounting hole 48 is a first cylindrical portion. It communicates with the communication chamber 36 of 22. That is, the mounting hole 48 is formed coaxially with the communication chamber 36 of the first cylindrical portion 22.
- the valve mechanism 18 includes a valve holder 50 press-fitted into the mounting hole 48 of the second cylindrical portion 24, a cylindrical seat ring 52 mounted to the lower portion of the valve holder 50, the valve holder 50 and the seat ring And a needle valve 54 which is inserted into the inside of the F. 52 and displaced in the axial direction (directions of arrows C and D).
- the valve holder 50 is formed in a cylindrical shape, and a pair of convex portions 56a and 56b are formed on the outer peripheral surface so as to be separated from each other by a predetermined distance.
- one convex part 56a consists of knurls, for example, and rotation prevention to the 2nd cylindrical part 24 is made by engaging with the groove part of the mounting hole 48, and the other convex part 56b is another groove part.
- the pressure fluid is prevented from leaking through the space between the mounting hole 48 and the valve holder 50.
- the upper end portion of the valve holder 50 is mounted so as to slightly protrude from the upper end portion of the second cylindrical portion 24.
- the lower end portion of the valve holder 50 is formed with a holding portion 58 which is slightly reduced in diameter in the radial inner direction, and the upper end portion of the holding portion 58 is formed with an annular groove 60 depressed radially inward. .
- a seat ring 52 is attached to the holding portion 58 so as to cover the outer peripheral surface of the holding portion 58, and a hook 66 (described later) formed on the upper end thereof is inserted into the annular groove 60 and engaged. Be done.
- the seat ring 52 is integrally connected to the lower end portion of the valve holder 50.
- the lower end surface 58 a of the holding portion 58 is formed in a planar shape orthogonal to the axis of the valve holder 50.
- a valve hole 62 through which the needle valve 54 is inserted is formed with a constant diameter along the axial direction (arrows C and D directions).
- a first threaded portion 64 is provided. The first screw portion 64 is formed so as to be reduced radially inward with respect to the inner circumferential diameter of the valve hole 62.
- the seat ring 52 is formed, for example, by press forming from a thin plate material made of metal, and is provided inside the communication chamber 36.
- the seat ring 52 is formed at the upper end and connected to the valve holder 50, the small diameter 70 formed at the lower end and on which the needle valve 54 is seated, and the large diameter 68 and the small diameter. 70, and the large diameter portion 68 is formed to have the largest diameter, and the middle portion 72 is formed to have a small diameter reduced relative to the large diameter portion 68.
- the small diameter portion 70 is formed to have a diameter further reduced with respect to the intermediate portion 72.
- the seat ring 52 is formed so as to reduce in diameter stepwise from the upper end to the lower end.
- the large diameter portion 68, the middle portion 72 and the small diameter portion 70 described above are formed to be coaxial.
- a hook 66 bent at a predetermined angle toward the radially inward direction is formed at the upper end of the large diameter portion 68, and when the large diameter portion 68 is press-fit to cover the holding portion 58 of the valve holder 50, The hook 66 is engaged with the annular groove 60, and the lower end of the holding portion 58 is in contact with a stepped portion (abutment portion) 74 provided at the boundary between the large diameter portion 68 and the intermediate portion 72. Contact.
- the stepped portion 74 is bent at a right angle radially inward with respect to the lower end portion of the large diameter portion 68 and joined to the upper end portion of the middle portion 72.
- a plurality (for example, four) of communication ports 76 are formed along the circumferential surface of the intermediate portion 72 so as to be orthogonal to the axis of the seat ring 52, and the outside and the inside of the intermediate portion 72 are communicated. .
- the communication ports 76 are formed at regular intervals along the circumferential direction of the intermediate portion 72.
- the communication port 76 is simultaneously formed when the seat ring 52 is formed by press molding. In other words, there is no need to provide a separate processing step to form the communication port 76.
- the small diameter portion 70 has a seating portion 78 in which the vicinity of the junction with the middle portion 72 protrudes radially inward, and a seating portion 78 on which the needle valve 54 is seated is formed. 80 are formed.
- a cylindrical seal member 82 made of an elastic material such as rubber is mounted on the outer peripheral side of the small diameter portion 70, formed on the outer peripheral surface of the seal member 82, and inclined at a predetermined angle upward and radially outward.
- the rib 84 abuts on the first wall 42 and the second wall 46 in the communication chamber 36.
- the seal member 82 is held between the flange 80 and the step portion which is the boundary portion between the intermediate portion 72 and the small diameter portion 70, the seal member 82 is displaced in the axial direction (arrows C and D). Is positioned without
- the needle valve 54 is formed of a shaft having a predetermined length along the axial direction (arrows C and D), and the upper end thereof protrudes upward with respect to the upper ends of the valve holder 50 and the second cylindrical portion 24.
- the handle 20 is connected. Further, on the outer peripheral surface of the needle valve 54, a second screw portion 86 in which a screw is provided in the vicinity of the upper end portion is formed, and is engaged with the first screw portion 64 of the valve holder 50. That is, by rotating the needle valve 54 through the handle 20, the needle valve 54 advances and retracts along the axial direction (arrows C and D) under the action of screwing with the valve holder 50.
- a control portion 88 which is gradually reduced in diameter toward the tip end and which can be inserted through the small diameter portion 70 of the seat ring 52 is formed.
- the control unit 88 has a first control surface 90 provided at the foremost end and a second control surface 92 formed above the first control surface 90.
- the inclination angle of the first control surface 90 with respect to the axis of the needle valve 54 is set to be larger than that of the second control surface 92.
- the needle valve 54 is displaced upward from the state shown in FIG. 1 and the second control surface 92 is separated from the seating portion 78 of the seat valve, whereby the space between the seating portion 78 and the second control surface 92 is obtained.
- the pressure fluid flows from the intermediate portion 72 of the seat ring 52 to the small diameter portion 70 side through the pressure fluid.
- a stopper portion 94 having a diameter enlarged with respect to the control portion 88 is formed on the upper portion of the control portion 88, and the O-ring 96 mounted on the outer peripheral surface of the stopper portion 94 is always a valve hole 62 in the valve holder 50. Sliding contact with the inner surface of the This prevents the pressure fluid introduced into the seat ring 52 from leaking out through the valve hole 62 by the O-ring 96.
- a lock nut 98 is provided coaxially with the second cylindrical portion 24 above the second cylindrical portion 24 constituting the body 16, and a second threaded portion of the needle valve 54 is provided at the center of the lock nut 98. 86 is screwed. Then, the needle valve 54 is screwed to displace the pressure fluid flowing in the body 16 to a desired flow rate, and then the lock nut 98 is screwed to abut the upper end of the valve holder 50. Since the rotational displacement of the needle valve 54 is regulated by displacing it to the maximum, the flow rate of the needle valve 54 is controlled.
- the flow control valve 10 is basically configured as described above, and next, its operation and effects will be described.
- the needle valve 54 constituting the valve mechanism 18 descends under the rotational action of the handle 20, and the needle valve 54 causes the first port 12 and the second port 14 to be separated.
- the fully closed state in which the communication is interrupted will be described as the initial state.
- the pressure fluid is supplied to the first port 12 through the tube 31a, and is supplied into the communication chamber 36 through the communication passage 44a.
- the pressure fluid introduced into the communication chamber 36 is prevented from flowing to the downstream side of the second port 14 through the outer peripheral side of the seat ring 52 by the seal member 82 provided on the outer peripheral side of the seat ring 52 Be done.
- a worker (not shown) turns the lock nut 98 to move it upward and releases the state in which the rotational displacement of the needle valve 54 is restricted, the needle valve is gripped and rotated. 54 is displaced upward (in the direction of arrow D) while being rotated under the action of screwing with the valve holder 50.
- the needle valve 54 gradually separates from the seating portion 78 from the state where the second control surface 92 of the control unit 88 abuts on the seating portion 78, and the second control surface 92 and the seating portion 78 The gap between the two gradually increases. Then, the pressure fluid introduced into the communication chamber 36 flows from the communication port 76 of the seat ring 52 to the inside of the seat ring 52, and between the control portion 88 of the needle valve 54 and the seating portion 78. It distributes to the side (arrow C direction). At this time, the pressure fluid is controlled to a flow rate proportional to the size of the gap between the control portion 88 of the needle valve 54 and the seating portion 78. The pressure fluid flows from inside the communication chamber 36 through the communication passage 44b to the second passage 34, and then flows through the tube 31b connected to the second port 14 to another fluid pressure device at a desired flow rate.
- the amount of displacement of the needle valve 54 along the axial direction is proportional to the flow rate of the pressure fluid flowing through the communication chamber 36 toward the second port 14.
- the flow rate of the pressure fluid is controlled.
- the first control surface 90 of the needle valve 54 by further rotating the handle 20 and moving the first control surface 90 of the needle valve 54 to a position where the first control surface 90 faces the seating portion 78, the first control surface having a large inclination angle with respect to the second control surface 92.
- the flow rate of the pressure fluid flowing through between 90 and the seating portion 78 can be further increased.
- the handle 20 when decreasing the flow rate of the pressure fluid, the handle 20 is rotated in the opposite direction to that described above, and the needle valve 54 is moved downward (in the direction of arrow C) along the valve holder 50.
- the control unit 88 approaches the seating unit 78, and the gap between the control unit 88 and the seating unit 78 gradually decreases, so the flow rate of pressure fluid flowing downstream through the gap decreases. It will be done.
- the handle 20 is further rotated, and the lower end portion of the stopper portion 94 of the needle valve 54 abuts on the seating portion 78, whereby the downward movement of the needle valve 54 is restricted, and the second control surface of the control portion 88 In the fully closed state, the seat 92 abuts on the seat 78.
- the fluid controlled to the desired flow rate in the flow control valve 10 is supplied from the second port 14 to the other fluid pressure apparatus through the tube 31 b to control its operation.
- the flat plate portion 28 is provided at a position above the body 16 and the plate portion 28 is provided only on one end side of the body 16.
- the plate portion 28 is provided only on one end side of the body 16.
- the plate unit 28 functions as a pointing means capable of confirming the installation direction of the flow control valve 10 and the flow direction of the fluid.
- the plate portion 28 is formed in a planar shape, when the label or the like for individual identification described above is attached, the label or the like is preferably not easily peeled off.
- the plate portion 28 is formed to have a flat surface, not a curved surface, so that the attached label or the like is not easily peeled off and the attached state is preferably maintained.
- the flat concave portion 32 recessed from the outer peripheral surface is provided on the side portion of the first cylindrical portion 22, the installation direction of the flow control valve 10 and the flow rate can be confirmed by confirming the position of the concave portion 32. It becomes possible to confirm the flow direction of the fluid flowing inside the control valve 10 from the outside reliably and simply.
- the plate portion 28 provided above the first cylindrical portion 22 may be in contact and installation may be difficult.
- the operator holds the other end of the plate portion 28 and rotates the other end side upward so that the notch 29 is used as a fulcrum.
- the plate portion 28 is broken and bent from the notch 29.
- the plate portion 28 can be easily detached from the body 16, and the flow control valve 10 from which the plate portion 28 has been removed can be installed at a desired position.
- the flow control valve according to the present invention is not limited to the embodiment described above, and it goes without saying that various configurations can be adopted without departing from the scope of the present invention.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Sliding Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
Description
一端部及び他端部にそれぞれ設けられる前記ポートと、該ポートから供給された流体が流通する流路とを有するボディを備え、
前記ボディには、該ボディの外部に臨み、一組のポートのいずれか一方側のみに設けられた指向手段を備えることを特徴とする。
Claims (5)
- 弁部を有するロッド(54)を軸線方向に変位させることにより、一組のポート(12、14)間を流通する流体の流量を制御可能な流量制御弁において、
一端部及び他端部にそれぞれ設けられる前記ポート(12、14)と、該ポート(12)から供給された流体が流通する流路(33、34)とを有するボディ(16)を備え、
前記ボディ(16)には、該ボディ(16)の外部に臨み、一組のポート(12、14)のいずれか一方側のみに設けられた指向手段を備えることを特徴とする流量制御弁。 - 請求項1記載の流量制御弁において、
前記指向手段は、平面状のプレート部(28)からなることを特徴とする流量制御弁。 - 請求項2記載の流量制御弁において、
前記指向手段は、前記ボディ(16)の上方に設けられることを特徴とする流量制御弁。 - 請求項2記載の流量制御弁において、
前記プレート部(28)は、前記ボディ(16)に一端部が接合された片持ち形状であることを特徴とする流量制御弁。 - 請求項4記載の流量制御弁において、
前記プレート部(28)には、厚さ方向に切り欠かれた切欠部(29)を有し、該切欠部(29)が前記一端部近傍に設けられることを特徴とする流量制御弁。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/389,557 US8573251B2 (en) | 2009-08-27 | 2009-08-27 | Flow rate control valve |
JP2011528557A JP5467470B2 (ja) | 2009-08-27 | 2009-08-27 | 流量制御弁 |
RU2012111193/06A RU2560661C2 (ru) | 2009-08-27 | 2009-08-27 | Клапан управления расходом потока |
CN200980161137.2A CN102575793B (zh) | 2009-08-27 | 2009-08-27 | 流量控制阀 |
PCT/JP2009/064931 WO2011024275A1 (ja) | 2009-08-27 | 2009-08-27 | 流量制御弁 |
KR1020127005088A KR101324957B1 (ko) | 2009-08-27 | 2009-08-27 | 유량 제어 밸브 |
EP09848723.4A EP2472154B1 (en) | 2009-08-27 | 2009-08-27 | Flow rate control valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/064931 WO2011024275A1 (ja) | 2009-08-27 | 2009-08-27 | 流量制御弁 |
Publications (1)
Publication Number | Publication Date |
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WO2011024275A1 true WO2011024275A1 (ja) | 2011-03-03 |
Family
ID=43627402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2009/064931 WO2011024275A1 (ja) | 2009-08-27 | 2009-08-27 | 流量制御弁 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8573251B2 (ja) |
EP (1) | EP2472154B1 (ja) |
JP (1) | JP5467470B2 (ja) |
KR (1) | KR101324957B1 (ja) |
CN (1) | CN102575793B (ja) |
RU (1) | RU2560661C2 (ja) |
WO (1) | WO2011024275A1 (ja) |
Cited By (1)
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JP2021061312A (ja) * | 2019-10-07 | 2021-04-15 | 株式会社デンソー | 筐体 |
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- 2009-08-27 CN CN200980161137.2A patent/CN102575793B/zh active Active
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Also Published As
Publication number | Publication date |
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CN102575793B (zh) | 2014-09-10 |
KR101324957B1 (ko) | 2013-11-04 |
EP2472154A4 (en) | 2017-01-04 |
KR20120041771A (ko) | 2012-05-02 |
RU2012111193A (ru) | 2013-10-10 |
JPWO2011024275A1 (ja) | 2013-01-24 |
US8573251B2 (en) | 2013-11-05 |
EP2472154B1 (en) | 2019-07-10 |
RU2560661C2 (ru) | 2015-08-20 |
US20120174997A1 (en) | 2012-07-12 |
CN102575793A (zh) | 2012-07-11 |
EP2472154A1 (en) | 2012-07-04 |
JP5467470B2 (ja) | 2014-04-09 |
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