WO2004003419A1 - 管継手の雌型継手部材 - Google Patents
管継手の雌型継手部材 Download PDFInfo
- Publication number
- WO2004003419A1 WO2004003419A1 PCT/JP2003/008170 JP0308170W WO2004003419A1 WO 2004003419 A1 WO2004003419 A1 WO 2004003419A1 JP 0308170 W JP0308170 W JP 0308170W WO 2004003419 A1 WO2004003419 A1 WO 2004003419A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- joint member
- valve
- valve body
- female joint
- hole
- Prior art date
Links
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/373—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings with two taps or cocks
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/47—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a tap or cock
-
- 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
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86638—Rotary valve
- Y10T137/86646—Plug type
Definitions
- the present invention relates to a pipe joint, and more particularly, to a pipe joint having a flow rate adjustment function and a residual pressure removing function that has a small number of parts and is easy to assemble.
- FIG. 15 is a longitudinal sectional view showing an outline of a conventional female joint member of this type of pipe joint
- FIG. 16 is a side view of the joint member.
- the female joint member includes a joint main body 110 having a fluid passage 114, and a male joint member (not shown) is inserted and connected to the right end as viewed in the drawing.
- the fitting body 110 has an opening / closing valve mechanism 113 that includes an opening / closing valve 113 for opening and closing the fluid passage 111, a connecting mechanism 111 for maintaining the connection state of the male fitting member, and a flow path. And a fluid pressure purge mechanism provided with a purge passage for purging fluid pressure inside the male coupling member side to the outside of the pipe joint.
- the on-off valve 113 has a spherical shape as a whole, and is supported by valve seats 113a and 113a.
- a valve hole provided in the valve is provided. 1 13 b is disengaged from the fluid passage 1 14 and is closed, and by rotating 90 ° from the position shown in the figure, the valve hole is aligned with the fluid passage 1 ′ 14 and opened. By adjusting the rotation position, the flow rate of the fluid flowing through the fluid passage can be adjusted.
- the connection mechanism 116 has a locking member (locking pole) 115 and a sleeve 117.
- the locking member engages with the engaging groove on the outer surface of the male joint member inserted into the female joint member, and connects the male joint member to the female joint member. Fix (lock) to the hand member.
- the sleep 1 17 includes a position where the locking member 1 15 is allowed to be in the radially outer position (unlocking position) shown in the figure, and a male joint member which pushes the locking member support member 120 while pressing the female member. When inserted into the joint member, the locking member 1 15 moves to the inner side in the radial direction (locking position) in alignment with the engaging groove of the male joint member, and moves to the right from the position shown. Thus, the locking member is movable between a position for holding the locking member from the outside in the radial direction.
- the purge mechanism has a sleeve 121b in contact with the sleeve 117 of the connection mechanism, and a pair of seal rings 122a provided on the inner surface thereof are radially outside of the purge passageway 119. Positions on both sides of the outlet that prevent the fluid pressure in the fluid passages 114 from being released to the outside, and the fluid pressure in the fluid passages 114 at the position shown to the left of the same position. However, it is movable between a position that allows it to be opened to the outside through a gap S between the sleep 1 17 and the joint body 1 10.
- the opening / closing valve mechanism 111 is provided with a cam 112 that rotates together with the opening / closing valve.
- the cam is connected to the connecting mechanism 116, the fluid pressure purging mechanism 118, and the opening / closing valve mechanism. Control. That is, when the on-off valve 113 is in the closed state as shown in the drawing, the connection mechanism 111 is such that the locking member 115 is at the radially outer (unlocked) position and the male joint member is the female type. Inlet and withdrawal are allowed in the joint member, and the purge mechanism 118 allows the fluid pressure in the fluid passage 114 to be released to the outside.
- the opening / closing valve is rotated (that is, the cam moves the sleep 1 2 1 b and the sleeve 1 1 7 to the right). Cannot be moved).
- the locking member 115 is movable to the radially inner position (unlocking position), and when the on-off valve 113 is rotated to be opened, The cam 1 1 2 pushes out the sleep 1 2 1 b and 1 1 7, whereby the purge passage 1 1 9 of the purge mechanism 1 1 8 is closed by the seal rings 1 1 2 a and 1 1 2 a, and at the same time, the sleeve 1 17 locks the locking member 1 15 in the locking position.
- the female joint member includes the fluid inlet end of the fluid passage and the fluid discharge side (male joint member connection). Side) An on-off valve is provided at each end, which further complicates the structure (for example, see Japanese Patent No. 2694432). Disclosure of the present invention
- the present invention has been made in view of the problems of the conventional pipe joint as described above.
- the present invention relates to a female joint member in a pipe joint having a female joint member and a male joint member inserted and connected to the female joint member,
- a fluid passage having a first end for connecting a conduit, and a second end for connecting a male fitting member
- the fluid passage is movable between an open position allowing fluid flow between a first end side and a second end side of the fluid passage, and a closed position blocking fluid flow.
- An on-off valve having a closed valve element
- the valve body is configured to communicate the second end side of the fluid passage with the outside of the pipe joint when the valve body is at the closed position, and to close the purge flow when the valve body is at the open position.
- Road is provided
- the present invention provides a female joint member having the above basic feature.
- a purge flow path is provided in a valve body of an on-off valve, and only by operating the on-off valve from an open state to a closed state, the fluid pressure remaining in the fluid passage is reduced. Since it is opened, the operation is simple, and the structure of the female joint member is also simple.
- the female joint member is, specifically,
- a valve body setting hole provided to intersect the fluid passage
- a gasket having a through hole aligned with and communicating with the fluid passage provided on the peripheral wall of the valve element setting hole;
- the valve body has a cylindrical shape, is set coaxially in a valve body setting hole, and is rotatable between the open position and the closed position around the center axis thereof. And has an outer circumferential surface which is slidably engaged with the gasket when rotated between the closed position and the closed position.
- the purge passage has at one end an inner opening that opens to the outer circumferential surface of the valve body, and at the other end, an outer opening that communicates with the outside of the pipe joint. When the valve body is in the open position, the valve body is closed by sealing engagement with the gasket. Be communicated.
- valve element setting hole has a circular cross section, and is set so as to be orthogonal to the fluid passage. Fluid passages intersect with each other on the peripheral wall surface of the valve element setting hole to form a pair of openings, and the gasket has its through hole aligned with one of the pair of openings so as to align and communicate therewith. And a sealing engagement portion extending on the peripheral wall so as to surround the through hole,
- the sealing engagement portion has a sealing engagement surface formed in an arc shape about the axis of the valve element setting hole.
- the outer circumferential surface of the valve body has a diameter that slides while sealingly engaging the sealing engagement surface of the gasket.
- a gap is formed between the outer circumferential surface and the peripheral wall surface of the valve element setting hole, the sealing engagement portion of the gasket is located in the gap, and the other of the pair of openings is It is communicated with the gap.
- the valve body has a valve hole flow path extending in the diametric direction perpendicular to the axis of the valve body, penetrating through the valve body, and opening on the outer circumferential surface of the valve body.
- the valve hole flow path communicates with the through hole of the gasket when the valve body is at the open position, and blocks communication with the through hole when the valve body is at the close position. Refused.
- the inner opening of the purge passage is closed and sealed by the sealing engagement surface of the gasket when the valve body is in the open position, and seals the gasket when the valve body is in the closed position. The engagement with the engagement surface is released, and the opening is opened at a position communicating with the gap.
- a fixing release position where the engagement with the male coupling member is released and the male coupling member is released from being fixed with the female coupling member
- a spring for urging the sleeve toward the first position and a cam attached to the on-off valve, wherein the male joint member is inserted into the female joint member, and the sleeve is in the first position.
- the cam engages with the sleep to prevent the sliver from being moved to the second position.
- the female joint member is set in the first hole, is movable in the radial direction of the female joint member, engages with the male joint member inserted into the female joint member, and connects the male joint member to the female joint. A fixing position to fix to the member,
- a fixing release position where the engagement with the male coupling member is released and the male coupling member is released from being fixed with the female coupling member
- a stator set to be movable in the radial direction in the second hole
- a stator movable between a fixed release position which is moved radially inward from the fixed position to allow the sleeve to be moved toward the first position;
- a stator holding member set in the fluid passage on the second end side, the first position holding the stator at the fixed position
- the first spring sets the sleep to the first position and sets the male and female members together.
- the connection between the mold joint member and the female joint member will be performed automatically.
- a cam attached to the on-off valve and engaged with the sleeve is provided.
- FIG. 1 is a plan view of a female joint member of a pipe joint according to the present invention.
- FIG. 2 is a drawing viewed along AA in FIG. 1, and shows a state in which a male joint member is connected to the female joint member in FIG. 1 and the on-off valve is “open”.
- Fig. 3 is a left side view of the on-off valve in a state where the on-off valve is "open” (a state in which the valve hole of the on-off valve is aligned with the through hole of the gasket), and shows the gasket in cross section. .
- FIG. 4 is a sectional view taken along line BB in FIG.
- FIG. 5 is a sectional view similar to FIG. 2, showing the "closed" state of the on-off valve.
- FIG. 6 is a drawing similar to FIG. 5, showing the on-off valve in a non-sectional view.
- FIG. 7 is a longitudinal sectional view of a second embodiment of the pipe joint according to the present invention, and shows a state where the female joint member and the male joint member are in a state before connection.
- FIG. 8 is a cross-sectional view taken along the line C-C of FIG.
- FIG. 9 is a partially cutaway plan view showing a state where the male joint member has been inserted into the female joint member to a connectable position.
- FIG. 10 (A) is a longitudinal sectional view showing the relationship between the on-off valve of the pipe joint and the cylindrical gasket in the state of FIG.
- FIG. 10 (B) is a cross-sectional view of FIG. 10 (A).
- FIG. 11 is a partially cutaway plan view showing a state where the on-off valve is being opened with the male joint member inserted into the female joint member.
- FIG. 12 is a cross-sectional view showing the relationship between the on-off valve and the cylindrical gasket in the state of FIG.
- FIG. 13 is a longitudinal sectional view showing a state where the on-off valve is opened and the female joint member and the male joint member are connected.
- FIG. 14 is a partially cutaway plan view of FIG.
- FIG. 15 is a sectional view of a conventional pipe joint.
- FIG. 16 is a side view of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIGS. 7 to .14 show a second embodiment.
- the pipe joint according to the first embodiment has a female joint member 1 and a male joint member P inserted and connected to the female joint member.
- the female joint member 1 has a first end (a left end in the drawing) for connecting a fluid supply conduit (not shown) and a second end for connecting the male joint member P.
- a valve body setting hole 4 having a circular cross section is provided so as to be orthogonal to the fluid passage, and an on-off valve 3 is set in the hole so as to be rotatable around a central axis of the hole.
- reference numeral 5 denotes a gasket provided so as to be in sealing contact with the on-off valve 3.
- the gasket has a through hole 7 aligned with the fluid passage 2, and a gasket accommodating recess provided in the fluid passage 2. Set to 6.
- the gasket has a sealing engagement portion 5a extending radially outward around the through hole 7 in the valve body setting hole 4, and the sealing engagement portion 5a is shown in FIG. As shown, it has a sealing engagement surface which is in an arc shape in plan view and which is square in a side view shown in FIG. 3, and which is sealingly engaged with the cylindrical peripheral surface 3 e of the on-off valve 3.
- the on-off valve 3 has an operating knob 3 a at the upper end and a large-diameter portion below the operating knob 3 a slidably engaged with the valve body setting hole 4.
- a gasket 5 having a small-diameter portion which is engaged with the sealing engagement portion 5 a of the gasket 5.
- a valve hole 3b is provided through the small diameter portion. The valve hole 3b is aligned with the fluid passage 2 when the on-off valve is in the open position shown in FIG. When the on-off valve 3 is in the closed position shown in FIG. 5, the fluid is out of alignment with the fluid passage 2, and the first and second ends of the Cut off the side.
- a circular gap G is formed between the small-diameter portion of the on-off valve and the valve body setting hole 4, and the sealing engagement portion of the gasket 5 is formed.
- 5 a extends into the gap and engages with the circumferential surface 3 e of the small diameter portion of the on-off valve 3. As shown in FIG. 5, the gap G communicates with the second end of the fluid passage 2.
- the on-off valve 3 has a first flow path 3c extending upward from the lower end thereof to near the valve hole 3b, and a circumferential surface 3e extending radially from the upper end of the first flow path and having a small diameter portion of the on-off valve.
- a purge flow path having a second flow path 3d that is open to the outside is provided.
- the second flow path 3d of the purge flow path is closed by the sealing engagement portion 5a of the gasket 5 when the on-off valve is in the open position shown in FIG. 2 (see FIGS. 3 and 4).
- the on-off valve When the on-off valve is in the closed position shown in FIG. 5, it is disengaged from the sealing engagement portion of the gasket 5 and positioned so as to communicate with the gap G (see FIG. 4).
- the female joint member 1 has a locking member, ie, a locking pole 10, and a sleeve 9 provided on the outer periphery of the female joint member 1.
- the locking pole engages with the annular engagement groove formed on the outer peripheral surface of the male joint member P inserted into the female joint member ⁇ , thereby connecting the male joint member P to the female joint member. Fix to 1.
- the sleeve 9 is pressed by the spring 11 to the position shown in FIGS. 2 and 5, and holds the mouthing pole in the engagement position with the annular engagement groove of the male joint member P.
- the sleeve 9 When inserting and withdrawing the male joint member P into the female joint member 1, the sleeve 9 is moved to the left as viewed in the figure, and the locking ball 10 is allowed to move outward in the radial direction.
- the male joint can be moved in the axial direction.
- the on-off valve 3 is provided with a cam 3f, and when the on-off valve 3 is in the open position shown in FIG. Prevents the sleeve from moving to the left. That is, when in the open position, the male joint member P is prevented from being inserted into or pulled out of the female joint sound material 1.
- the sleeve 9 can be moved to the left, and therefore, the insertion and withdrawal of the male joint member P with respect to the female joint member 1 can be performed. I do.
- 3 g and 13 indicate stop rings, and 8 and 12 indicate O-rings.
- the on-off valve is provided on the female joint member side in the pipe joint of this example, the on-off valve may be provided on the male joint member side.
- FIG. 7 a second embodiment of the pipe joint according to the present invention will be described with reference to FIGS. 7 to 14.
- FIG. 7 is a longitudinal sectional view showing a state before the female joint member 20 and the male joint member 21 are connected
- FIG. 8 is a sectional view taken along line C-C in FIG. 7
- FIG. 9 is a female mold
- FIG. 10 (A) is a partially cutaway plan view showing a state where the male joint member is inserted to a position where the male joint member can be connected to the joint member.
- FIG. 10 (A) shows the relationship between the on-off valve 24 and the gasket 39 in the state of FIG.
- Fig. 10 (B) is a cross-sectional view of Fig. 10A
- Fig. 11 is a state where the female joint member and the male joint member are connected but the on-off valve is not open Fig.
- FIG. 12 is a partially cutaway plan view
- Fig. 12 is a diagram showing the relationship between the open / close valve and the cylindrical seal body in the state of Fig. 11 and the open / close valve 24 and gasket 29 at the valve hole.
- FIG. 13 is a longitudinal sectional view showing a state in which the female joint member 20 and the male joint member 21 are connected and the open / close valve is open.
- FIG. 14 is a sectional view of FIG. It is a partial cutaway plan view.
- the female joint member 20 and the male joint member 21 of the pipe joint according to the second embodiment are basically the same as those of the second embodiment except that movable valves 69 and 82 are respectively provided. It has the same configuration as that of the first embodiment.
- the female joint member 20 is provided with an opening / closing valve 24, a mouth-locking ball 52 for locking the male joint member 21 to the female joint member 20, and a locking ball from outside in the radial direction.
- the sleeve 54 has a cam 44 attached to the on-off valve 24 for controlling the movement of the sleep.
- the female joint member 20 includes a central female joint member main body 22, a conduit connector 35 connected to the left end of the main body 22 as viewed in the figure, and a right end of the main body. And an end cylinder 50 connected to the intermediate cylinder.
- the conduit connector 35 is fixed to a fixing ring 33 attached to a fixing cylinder 31 screwed to the main body 22 by screws 38.
- reference numerals 34 and 36 are seal rings.
- the on-off valve 24 has a cylindrical shape as a whole, has a shaft portion 25 extending vertically along the center axis, and an operation lever 43 (see FIG. 8) is attached to an upper end thereof. I have.
- the on-off valve 24 is inserted from above into a valve body setting hole 27 provided in the main body 22, and a fixing ring 28 is provided in a large-diameter hole portion provided at the upper end of the hole.
- the main body 22 is attached by being screwed.
- reference numeral 29 denotes a seal ring set around the upper small-diameter portion 25a and lower lower-diameter portion 25b of the rotating shaft, and 30 denotes a seal ring set around the fixed ring 28.
- the on-off valve 24 is provided with a valve hole 26 and a purge hole.
- the purge hole includes a first portion 45 extending parallel to the valve hole 26 and a second portion 46 extending along the axis of the on-off valve (FIGS. 8 and 10 (A)). 10, FIG. 10 (B)), and the second portion 46 can communicate with a fluid recovery passage 47 formed in the main body 22 as shown in FIG.
- the gasket 39 to be engaged with the outer peripheral surface of the on-off valve 25 is set in the primary side of the fluid passage 23 of the main body 22 (the conduit connector 35 side), and is attached by the spring 42.
- the open / close valve 25 is pressed by the urged cylindrical pressing body 40 (although it is not clear in the figure, the open / close valve 24 is slightly smaller in diameter than the valve body setting hole 27 and has a gasket). 39 slightly penetrates into the valve body setting hole 27 and comes into contact with the outer peripheral surface of the on-off valve.)
- the first part 45 of the purge hole is aligned with the through hole of the gasket 39 in which the valve hole 26 constitutes the primary fluid passage 23a.
- the gasket Before (i.e., before the on-off valve is opened), the gasket is closed, and after the valve hole 26 is out of alignment with the through-hole (i.e., That is, after the on-off valve is closed), the gasket is closed, and the minute space between the outer peripheral surface of the on-off valve 24 and the wall surface of the valve body setting hole 27 surrounding the periphery thereof is removed.
- the fluid is communicated with the secondary side of the fluid passage 23 through a small gap, so that the residual pressure on the secondary side is released to the outside.
- the sleeve 54 for controlling the mouthing ball 52 is in contact with the cam 44 via a regulating cylinder 66 screwed to the left end thereof (see FIGS. 9, 11 and 14).
- the control cylinder 66 is urged to the left by a compression spring 55 set between the control cylinder 66 and a stop ring 67 attached to the outer surface of the tip cylinder 50 of the female joint member. 4 is pressed.
- the distal end cylindrical body 50 has a second lock pole 57 provided in a hole 58 penetrating the distal end cylindrical body in the radial direction, and inside the distal end cylindrical body 50.
- a collar 61 is provided to support the second mouth pole 57 from the inside in the radial direction.
- the collar is urged rightward by a spring 60, and a stepped portion 64 formed between the large-diameter portion 62 and the small-diameter portion 63 on the outer peripheral surface of the collar is formed by the tip cylindrical portion 50. It is adapted to be locked to a step formed on the inner surface.
- the large-diameter portion 62 of the collar is engaged with the second hook bow 57, and a part of the lock pocket is formed in the locking groove 5 formed in the inner surface of the sleeve 54.
- the sleeve 54 is fixed to the distal end cylinder 50.
- a movable valve 69 is provided inside the collar so as to be movable in the axial direction of the female joint member 20, and a cylindrical body 74 is attached to the outer peripheral surface of the movable valve.
- a large diameter formed at the left end of the movable valve 69 is urged rightward by a spring 75 set between the cylinder 74 and the intermediate cylinder 48 of the female joint member.
- the portion 76 is engaged with the stepped portion 77 formed on the inner surface of the through hole of the intermediate cylinder (forming the secondary side 23 b of the fluid passage 23). It is locked in the position shown in FIG.
- the movable valve 69 has an axial flow path 72 and a radial flow path 73 communicated with the left end thereof.
- the male joint member 21 has an annular engagement groove 79 for receiving the lock goal 52 when connected to the female joint member 20 on the outer peripheral surface thereof. Is set so that the movable valve 82 is movable in the axial direction.
- the movable valve is urged to the left by a spring 81 and is normally in a "closed” state (that is, the movable valve communicates with the axial flow path extending in the axial direction from the left end face and the right end thereof. (The fluid passage composed of the radial flow path is closed.)
- the movable valve 82 receives the spring 8 It is moved to the right against 1 and becomes "open".
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/520,206 US7549445B2 (en) | 2002-06-28 | 2003-06-27 | Female coupling member of a pipe coupling |
DE10392868.5T DE10392868B4 (de) | 2002-06-28 | 2003-06-27 | Buchsenkupplungsglied einer Schlauchkupplung |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2002189142 | 2002-06-28 | ||
JP2002-189142 | 2002-06-28 | ||
JP2003133618A JP3983713B2 (ja) | 2002-06-28 | 2003-05-12 | 管継手 |
JP2003-133618 | 2003-05-12 |
Publications (1)
Publication Number | Publication Date |
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WO2004003419A1 true WO2004003419A1 (ja) | 2004-01-08 |
Family
ID=30002307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/008170 WO2004003419A1 (ja) | 2002-06-28 | 2003-06-27 | 管継手の雌型継手部材 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7549445B2 (ja) |
JP (1) | JP3983713B2 (ja) |
DE (1) | DE10392868B4 (ja) |
WO (1) | WO2004003419A1 (ja) |
Families Citing this family (17)
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WO2004074730A1 (ja) * | 2003-02-19 | 2004-09-02 | Nitto Kohki Co., Ltd | 管継手 |
JP4564325B2 (ja) * | 2004-10-15 | 2010-10-20 | 日東工器株式会社 | 管継手の雌型継手 |
JP4520821B2 (ja) * | 2004-10-29 | 2010-08-11 | 日東工器株式会社 | 管継手及び雄型継手 |
JP4914155B2 (ja) * | 2006-09-19 | 2012-04-11 | サーパス工業株式会社 | 液体タンク用コネクタ |
DE102008054841A1 (de) * | 2008-12-17 | 2010-06-24 | Waldner Labor- Und Schuleinrichtungen Gmbh | Gasentnahmearmatur mit Betätigungsverriegelung |
CH705400A1 (de) * | 2011-08-18 | 2013-02-28 | Albrecht Wuethrich | Sperrhahnen kombiniert mit einer Schnellkupplung. |
KR101402888B1 (ko) * | 2012-06-27 | 2014-06-12 | 주식회사 파카하니핀 커넥터 | 잔류 압력 제거 기능을 갖는 퀵 커플링 장치 |
TW201413145A (zh) * | 2012-09-25 | 2014-04-01 | Zhong-Zhi Wei | 具排壓功能之快速接頭 |
CN104685284B (zh) * | 2012-09-28 | 2017-03-15 | 日东工器株式会社 | 具有安全功能的阴型接头 |
JP6386245B2 (ja) * | 2014-03-27 | 2018-09-05 | ダイセン株式会社 | 圧縮気体用バルブおよびそれを有する管継手、圧縮気体携行装置 |
CN105889572B (zh) * | 2014-10-16 | 2018-10-16 | 河南航天液压气动技术有限公司 | 一种高压灵敏泄压断接器 |
US10400913B2 (en) | 2015-04-27 | 2019-09-03 | Engineered Controls International, Llc | Rapid-connect coupler with a product flow restrictor |
US20170321832A1 (en) | 2016-05-04 | 2017-11-09 | Swan Products Llc | Multi-axis rotatable coupling element for a hose or pipe |
US10527179B2 (en) | 2017-11-21 | 2020-01-07 | Dramm Corporation of Manitowoc | Ball valve with improved assembly configuration |
JP6482638B1 (ja) * | 2017-12-14 | 2019-03-13 | 中国工業株式会社 | バルブ及び圧力容器 |
JP6484356B1 (ja) * | 2018-01-25 | 2019-03-13 | 日東工器株式会社 | 管継手 |
JP7373318B2 (ja) * | 2019-07-30 | 2023-11-02 | 日東工器株式会社 | 継手部材及び管継手 |
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JPH0882395A (ja) * | 1994-09-09 | 1996-03-26 | Kazuo Yano | 開閉弁付きプラグイン接続型管継手装置 |
JPH08170779A (ja) * | 1994-12-15 | 1996-07-02 | Kazuo Yano | 開閉弁付きプラグイン接続型管継手装置 |
JPH1038170A (ja) * | 1996-07-29 | 1998-02-13 | Nitto Kohki Co Ltd | 管継手 |
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US1481180A (en) * | 1924-01-15 | Stop and drain valve fob hose lines ob the like | ||
US265880A (en) * | 1882-10-10 | Three-way cock for steam-brakes | ||
US334315A (en) * | 1885-08-06 | 1886-01-12 | Stop-valve | |
US2944566A (en) * | 1957-02-12 | 1960-07-12 | Auxiliaire De L Ind Et Des Min | Control valves having fluid-tight distributor members, particularly for vehicle braking circuits |
US3186436A (en) * | 1961-12-05 | 1965-06-01 | Auxiliaire De L Ind Et Des Min | Cocks and the like fluid distributors, chiefly those controlling the pneumatic braking of vehicles |
US3437106A (en) * | 1964-12-10 | 1969-04-08 | Mueller Co | Ball valves |
US3423063A (en) * | 1966-10-19 | 1969-01-21 | Aro Corp | Valved safety speed coupler |
US3618892A (en) * | 1968-12-12 | 1971-11-09 | Stile Craft Mfg Inc | Sleeve-operated valved coupling |
US3684241A (en) * | 1970-08-31 | 1972-08-15 | Stile Craft Mfg Inc | Ball valve |
FR2482696B1 (fr) * | 1980-05-13 | 1985-09-20 | Staubli Sa Ets | Perfectionnements aux raccords-vannes de securite |
US4552333A (en) * | 1984-01-27 | 1985-11-12 | Oy Pajakanta Ab | Bayonet catch for a line of pressurized medium |
DE3815350A1 (de) * | 1988-05-05 | 1989-11-16 | Erwin Weh | Kupplung fuer fluidleitungen |
KR900702292A (ko) | 1988-05-05 | 1990-12-06 | 베흐 에르빈 | 압축 밀폐된 플러그 커플링 |
US5129621A (en) * | 1990-11-28 | 1992-07-14 | Aeroquip Corporation | Dry break coupling |
US5148839A (en) * | 1992-05-06 | 1992-09-22 | Kirwan Lee D | Valve assemblies for filling containers with pressurized gas |
CA2151049C (en) * | 1992-12-07 | 2004-05-04 | Dennis C. Giesler | Push-to-connect coupler with interlocking three-way valve |
JPH081357Y2 (ja) * | 1993-09-21 | 1996-01-17 | 株式会社ニューマシン | 配管継手 |
WO2004074730A1 (ja) * | 2003-02-19 | 2004-09-02 | Nitto Kohki Co., Ltd | 管継手 |
-
2003
- 2003-05-12 JP JP2003133618A patent/JP3983713B2/ja not_active Expired - Fee Related
- 2003-06-27 WO PCT/JP2003/008170 patent/WO2004003419A1/ja active Application Filing
- 2003-06-27 DE DE10392868.5T patent/DE10392868B4/de not_active Expired - Lifetime
- 2003-06-27 US US10/520,206 patent/US7549445B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0882395A (ja) * | 1994-09-09 | 1996-03-26 | Kazuo Yano | 開閉弁付きプラグイン接続型管継手装置 |
JPH08170779A (ja) * | 1994-12-15 | 1996-07-02 | Kazuo Yano | 開閉弁付きプラグイン接続型管継手装置 |
JPH1038170A (ja) * | 1996-07-29 | 1998-02-13 | Nitto Kohki Co Ltd | 管継手 |
US6089539A (en) * | 1997-10-06 | 2000-07-18 | Nitto Kohki Co., Ltd. | Valved pipe coupling for fluid lines |
Also Published As
Publication number | Publication date |
---|---|
US7549445B2 (en) | 2009-06-23 |
JP2004084934A (ja) | 2004-03-18 |
US20060118184A1 (en) | 2006-06-08 |
JP3983713B2 (ja) | 2007-09-26 |
DE10392868T5 (de) | 2005-08-25 |
DE10392868B4 (de) | 2014-10-30 |
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