CN103867830A - Large-diameter cam locking type rapid connector - Google Patents

Large-diameter cam locking type rapid connector Download PDF

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Publication number
CN103867830A
CN103867830A CN201410085974.4A CN201410085974A CN103867830A CN 103867830 A CN103867830 A CN 103867830A CN 201410085974 A CN201410085974 A CN 201410085974A CN 103867830 A CN103867830 A CN 103867830A
Authority
CN
China
Prior art keywords
packing ring
seal packing
wiper seal
female connector
face
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.)
Pending
Application number
CN201410085974.4A
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Chinese (zh)
Inventor
张洪
李祖亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Wei Xin Fabricated Metals Co Ltd
Original Assignee
Zhejiang Wei Xin Fabricated Metals Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Wei Xin Fabricated Metals Co Ltd filed Critical Zhejiang Wei Xin Fabricated Metals Co Ltd
Priority to CN201410085974.4A priority Critical patent/CN103867830A/en
Publication of CN103867830A publication Critical patent/CN103867830A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/18Joints tightened by eccentrics or rotatable cams
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L17/00Joints with packing adapted to sealing by fluid pressure
    • F16L17/06Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges
    • F16L17/067Plastics sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/04Flanged joints the flanges being connected by members tensioned in the radial plane
    • F16L23/06Flanged joints the flanges being connected by members tensioned in the radial plane connected by toggle-action levers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/20Joints tightened by toggle-action levers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Gasket Seals (AREA)

Abstract

The invention discloses a large-diameter cam locking type rapid connector. The large-diameter cam locking type rapid connector comprises a female connector, a male connector and pressure sealing gaskets, wherein the female connector and the male connector are matched with each other; the pressure sealing gaskets are arranged between the male connector and the female connector; corresponding end faces of the male connector and the female connector are provided with annular clamping grooves for connecting the pressure sealing gaskets; each clamping groove is internally connected with one pressure sealing gasket. Each pressure sealing gasket comprises a clamping part and an abutting part; the outer end of each abutting part is an inclined abutting face; each abutting face has high inside and low outside and the inner end of each abutting face extends inwards to form an inner convex part; the inner wall face of each inner convex part is a convex arc-shaped surface; when high-pressure fluid in a pipeline passes through the position of the rapid connector, the pressure is generated on the convex arc-shaped surface positions of the pressure sealing gaskets by the high-pressure fluid so that the pressure between the two pressure sealing gaskets is increased and the abutting surface between the two pressure sealing gaskets does not leak.

Description

The rapid pipe joint of a kind of heavy caliber cam locking
Technical field
The invention belongs to the quick coupling structure field of fluid delivery pipeline, be specifically related to the structure of heavy caliber cam locking rapid pipe joint.
Background technique
Cam lock rapid pipe joint is derived from US military AA-59326 standard and the EN14420-7 of European Union standard, for the connection of fluid delivery pipeline.Due to its dismounting rapid and convenient, be now widely used in fluid transportation art.Cam lock rapid pipe joint is made up of female body, male body, camlock handle assembly and Sealing etc.In China, also formulate the use standard of similar product, as " naval vessel injection head joint GJB1122-91 " and " gladhand GB/T 16693-1996 ".Because the amount that fluid is carried is increasing, efficiency requires higher, thus the increasing of bigbore pipeline use amount, and the joint of connection two segment pipes uses more general.Bigbore Cam lock rapid pipe joint is exactly in this case, derivative with being connected fast the requirement of use according to existing standard.In this programme, the heavy caliber cam locking rapid pipe joint of indication is 6 inches, 8 inches, 10 inches, 12 inches and above large specification connector product, and every group must be assembled 4 handles (distribution in 90 ° of every handles) locking pressing.
The seal washer of the heavy caliber cam locking rapid pipe joint use used on existing market is plain cushion, and because cross-section area is large, in the situation that guaranteeing not leak, the pressure using is so just less than normal, and the highest test pressure that can reach is 0.6MPa.
The plain cushion wiper seal packing ring of the product adapted produced in the market, can only be to use under the state of low pressure or to leaking under less demanding environment, when carrying and require to forbid the fluid that leaks to carry for the bigbore pipeline of needs, can only increase user's cost, use the connecting head of other type.
Summary of the invention
Technical problem to be solved by this invention is: the deficiency existing for prior art, a kind of compact structure is provided, and easy for installation, sealing effect is strong, and can stand high-pressure liquid to impact and do not produce the heavy caliber cam locking rapid pipe joint of leakage.
For realizing the present invention's object, be achieved by the following technical solutions: the rapid pipe joint of a kind of heavy caliber cam locking, include public connecting head, the female connector matching and be arranged on the wiper seal packing ring between public connecting head, female connector, on the described public connecting head end face relative with female connector, all offer the annular draw-in groove in order to Bonding pressure seal washer, in each draw-in groove, be connected with a described wiper seal packing ring, two wiper seal packing rings on public connecting head and female connector end face are mutually tight against and make rapid pipe joint sealing.
As preferred version: described wiper seal packing ring is that rubber is one-body molded, in structure, include the inserted part that is connected with draw-in groove and the abutting part with another wiper seal packing ring sealing butt; The outer wall of described wiper seal packing ring is cylndrical surface; In the interior side direction pressure seal circle of described inserted part, week protrudes, and the outer end of projection forms one perpendicular to the axial plane of orientation of wiper seal packing ring, and the inner of projection forms the cambered surface that snaps in of an arc; The outer end of described abutting part is the bearing surface tilting, bearing surface is low inside and high outside, the outer end of bearing surface stretches out and forms a male part, the inner of bearing surface extends internally and forms an interior protuberance, the internal face of interior protuberance is a convex globoidal, and the part between convex globoidal and plane of orientation forms the concave arc surface being connected smoothly with convex globoidal; The bearing surface that is connected to the wiper seal packing ring on public connecting head and female connector mutually pushes against afterwards and forms perpendicular to the axial abutment surface of wiper seal packing ring.
As preferred version: offer an annular recessed circle on the interior edge face of described wiper seal packing ring.
As preferred version: the draw-in groove madial wall outer end on described public connecting head or female connector end face is integrally formed with a circle engaging circle, described engaging circle end face is outwardly the arc coordinating with wiper seal packing ring fovea superior cambered surface, engaging circle end face is inwardly vertical with draw-in groove madial wall, and this end face inwardly coordinates with the plane of orientation on wiper seal packing ring.
As preferred version: leave gap between the described public connecting head end face relative with female connector, the male part that is connected to the wiper seal packing ring on public connecting head and female connector is clamped between described gap.
As preferred version: the surface roughness value of described draw-in groove is more than Ra3.2, and wiper seal packing ring is butyronitrile oil resistant rubber, hardness (Shao Shi A degree) 55 ± 5 degree.
Compared with prior art, the invention has the beneficial effects as follows: owing to being all connected wiper seal packing ring at public connecting head with on female connector end face, like this, the position that the concave arc surface position of wiper seal packing ring coordinates with public connecting head or female connector has formed first sealing; The interior edge face of wiper seal packing ring coordinates compression to form second sealing with the bottom of draw-in groove; Between the bearing surface of two wiper seal packing rings, form three seals, and, in the time that the high-pressure liquid in pipeline passes through rapid pipe joint position, high-pressure liquid produces pressure to the convex globoidal position of wiper seal packing ring, two pressure between wiper seal packing ring are increased, and the abutment surface between two wiper seal packing rings can not produce leakage.In addition, because bearing surface original state tilts, after two bearing surfaces compress, have enough large pretightening force, sealing is strong.Described male part is clamped between public connecting head and the gap of female connector end face, has more strengthened sealing effect.Engaging circle in described draw-in groove makes the engaging well of wiper seal packing ring in draw-in groove on the one hand, and engaging circle coordinates with the concave arc surface on wiper seal packing ring the sealing effect having guaranteed between draw-in groove and wiper seal packing ring on the other hand.The recessed circle of described wiper seal packing ring interior edge face makes interior edge face part have good elasticity, better with draw-in groove sealed bottom, when recessed circle is also beneficial to setting pressure seal washer simultaneously, inserted part is snapped in draw-in groove.
Accompanying drawing explanation
Fig. 1 is the structural representation of rapid pipe joint coupled condition.
Fig. 2 is the structural representation of rapid pipe joint disassembled state.
Fig. 3 is the A portion structure enlarged view of Fig. 1.
Fig. 4 is the structural representation of wiper seal packing ring.
Fig. 5 is the B portion structure enlarged view of Fig. 4.
Embodiment
With reference to the accompanying drawings the specific embodiment of the present invention is made a detailed explanation below.
According to shown in Fig. 1 to Fig. 5, a kind of heavy caliber cam locking rapid pipe joint described in the present embodiment, include public connecting head 1, the female connector 3 matching and be arranged on the wiper seal packing ring 2 between public connecting head, female connector, on the described public connecting head end face relative with female connector, all offer the annular draw-in groove 11 in order to Bonding pressure seal washer, in each draw-in groove, be connected with a described wiper seal packing ring 2, two wiper seal packing rings on public connecting head and female connector end face are mutually tight against and make rapid pipe joint sealing.Described female connector periphery is provided with four camlock handles and is connected with public connecting head.
Described wiper seal packing ring is that rubber is one-body molded, includes the inserted part 22 that is connected with draw-in groove and the abutting part 21 with another wiper seal packing ring sealing butt in structure; The outer wall 201 of described wiper seal packing ring is cylndrical surface; In the interior side direction pressure seal circle of described inserted part, week protrudes, and the outer end of projection forms one perpendicular to the axial plane of orientation 205 of wiper seal packing ring, and what the inner of projection formed an arc snaps in cambered surface 206; The outer end of described abutting part is the bearing surface 202 tilting, bearing surface is low inside and high outside, the outer end of bearing surface stretches out and forms a male part 24, the inner of bearing surface extends internally and forms an interior protuberance 25, the internal face of interior protuberance is a convex globoidal 203, and the part between convex globoidal and plane of orientation forms the concave arc surface 204 being connected smoothly with convex globoidal; The bearing surface that is connected to the wiper seal packing ring on public connecting head and female connector mutually pushes against afterwards and forms perpendicular to the axial abutment surface of wiper seal packing ring.On the interior edge face of described wiper seal packing ring, offer an annular recessed circle 23.
Draw-in groove madial wall outer end on described public connecting head or female connector end face is integrally formed with a circle engaging circle 12, described engaging circle end face is outwardly the arc coordinating with wiper seal packing ring fovea superior cambered surface, engaging circle end face is inwardly vertical with draw-in groove madial wall, and this end face inwardly coordinates with the plane of orientation on wiper seal packing ring.
Between the described public connecting head end face relative with female connector, leave gap 5, the male part 24 that is connected to the wiper seal packing ring on public connecting head and female connector is clamped between described gap.
The surface roughness value of described draw-in groove is more than Ra3.2, and wiper seal packing ring is butyronitrile oil resistant rubber, hardness (Shao Shi A degree) 55 ± 5 degree.
This rapid pipe joint has all been connected wiper seal packing ring at public connecting head with on female connector end face, and the position that the concave arc surface position of wiper seal packing ring is coordinated with public connecting head or female connector has formed first sealing; The interior edge face of wiper seal packing ring coordinates compression to form second sealing with the bottom of draw-in groove; Between the bearing surface of two wiper seal packing rings, form three seals, and, in the time that the high-pressure liquid in pipeline passes through rapid pipe joint position, high-pressure liquid produces pressure to the convex globoidal position of wiper seal packing ring, two pressure between wiper seal packing ring are increased, and the abutment surface between two wiper seal packing rings can not produce leakage.In addition, because bearing surface original state tilts, after two bearing surfaces compress, have enough large pretightening force, sealing is strong.Described male part is clamped between public connecting head and the gap of female connector end face, has more strengthened sealing effect.Engaging circle in described draw-in groove makes the engaging well of wiper seal packing ring in draw-in groove on the one hand, and engaging circle coordinates with the concave arc surface on wiper seal packing ring the sealing effect having guaranteed between draw-in groove and wiper seal packing ring on the other hand.The recessed circle of described wiper seal packing ring interior edge face makes interior edge face part have good elasticity, better with draw-in groove sealed bottom, when recessed circle is also beneficial to setting pressure seal washer simultaneously, inserted part is snapped in draw-in groove.
When described wiper seal packing ring is installed, because the position, inserted part of wiper seal packing ring is wider than draw-in groove aperture position, smear solid lubrication fat or quartz flour therefore can and snap in cambered surface position at pressure seal ring outer wall face in the time of assembling pressure seal washer, then packing ring is turned over from inside to outside, make plane of orientation and snap in cambered surface part first to snap in draw-in groove opening, then take advantage of a situation again and be pressed in draw-in groove whole wiper seal packing ring.

Claims (4)

1. heavy caliber cam locking rapid pipe joint, include the public connecting head matching, female connector and be arranged on public connecting head, wiper seal packing ring between female connector, it is characterized in that: on the described public connecting head end face relative with female connector, all offer the annular draw-in groove in order to Bonding pressure seal washer, in each draw-in groove, be connected with a described wiper seal packing ring, two wiper seal packing rings on public connecting head and female connector end face are mutually tight against and make rapid pipe joint sealing: described wiper seal packing ring is that rubber is one-body molded, in structure, include the inserted part that is connected with draw-in groove and the abutting part with another wiper seal packing ring sealing butt, the outer wall of described wiper seal packing ring is cylndrical surface, in the interior side direction pressure seal circle of described inserted part, week protrudes, and the outer end of projection forms one perpendicular to the axial plane of orientation of wiper seal packing ring, and the inner of projection forms the cambered surface that snaps in of an arc, the outer end of described abutting part is the bearing surface tilting, bearing surface is low inside and high outside, the outer end of bearing surface stretches out and forms a male part, the inner of bearing surface extends internally and forms an interior protuberance, the internal face of interior protuberance is a convex globoidal, and the part between convex globoidal and plane of orientation forms the concave arc surface being connected smoothly with convex globoidal, the bearing surface that is connected to the wiper seal packing ring on public connecting head and female connector mutually pushes against afterwards and forms perpendicular to the axial abutment surface of wiper seal packing ring, on the interior edge face of described wiper seal packing ring, offer an annular recessed circle.
2. a kind of heavy caliber cam locking according to claim 1 rapid pipe joint, it is characterized in that: the draw-in groove madial wall outer end on described public connecting head or female connector end face is integrally formed with a circle engaging circle, described engaging circle end face is outwardly the arc coordinating with wiper seal packing ring fovea superior cambered surface, engaging circle end face is inwardly vertical with draw-in groove madial wall, and this end face inwardly coordinates with the plane of orientation on wiper seal packing ring.
3. a kind of heavy caliber cam locking according to claim 1 and 2 rapid pipe joint, it is characterized in that: between the described public connecting head end face relative with female connector, leave gap, the male part that is connected to the wiper seal packing ring on public connecting head and female connector is clamped between described gap.
4. a kind of heavy caliber cam locking according to claim 3 rapid pipe joint, is characterized in that: the surface roughness value of described draw-in groove is more than Ra3.2, and wiper seal packing ring is butyronitrile oil resistant rubber, hardness (Shao Shi A degree) 55 ± 5 degree.
CN201410085974.4A 2014-03-10 2014-03-10 Large-diameter cam locking type rapid connector Pending CN103867830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410085974.4A CN103867830A (en) 2014-03-10 2014-03-10 Large-diameter cam locking type rapid connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410085974.4A CN103867830A (en) 2014-03-10 2014-03-10 Large-diameter cam locking type rapid connector

Publications (1)

Publication Number Publication Date
CN103867830A true CN103867830A (en) 2014-06-18

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CN201410085974.4A Pending CN103867830A (en) 2014-03-10 2014-03-10 Large-diameter cam locking type rapid connector

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109058627A (en) * 2018-09-03 2018-12-21 重庆智青阳油脂有限公司 Rapid oil unloading device
CN109099247A (en) * 2018-10-10 2018-12-28 浙江伟鑫金属制品有限公司 A kind of quick coupling with protective device
CN113375042A (en) * 2021-07-12 2021-09-10 宣城亨泰电子化学材料有限公司 Electron-level anhydrous hydrogen fluoride steel cylinder filling line with protection function
CN116336273A (en) * 2023-04-19 2023-06-27 佛山市顺设发科技有限公司 Metal tube connecting structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2761948Y (en) * 2004-12-20 2006-03-01 谭成富 Pipe joint
JP2011085263A (en) * 2011-01-31 2011-04-28 Sakura Rubber Co Ltd Connecting fitting
CN103216693A (en) * 2012-01-18 2013-07-24 新兴重工湖北三六一一机械有限公司 Plug adapter type infusion hose joint seal ring
CN103363228A (en) * 2013-07-06 2013-10-23 芜湖华夏科技安防有限责任公司 High-pressure fire fighting water band connector
JP2013238275A (en) * 2012-05-15 2013-11-28 Nok Corp Sealing device
CN203847875U (en) * 2014-03-10 2014-09-24 浙江伟鑫金属制品有限公司 Large-diameter cam locking type quick connector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2761948Y (en) * 2004-12-20 2006-03-01 谭成富 Pipe joint
JP2011085263A (en) * 2011-01-31 2011-04-28 Sakura Rubber Co Ltd Connecting fitting
CN103216693A (en) * 2012-01-18 2013-07-24 新兴重工湖北三六一一机械有限公司 Plug adapter type infusion hose joint seal ring
JP2013238275A (en) * 2012-05-15 2013-11-28 Nok Corp Sealing device
CN103363228A (en) * 2013-07-06 2013-10-23 芜湖华夏科技安防有限责任公司 High-pressure fire fighting water band connector
CN203847875U (en) * 2014-03-10 2014-09-24 浙江伟鑫金属制品有限公司 Large-diameter cam locking type quick connector

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109058627A (en) * 2018-09-03 2018-12-21 重庆智青阳油脂有限公司 Rapid oil unloading device
CN109099247A (en) * 2018-10-10 2018-12-28 浙江伟鑫金属制品有限公司 A kind of quick coupling with protective device
CN113375042A (en) * 2021-07-12 2021-09-10 宣城亨泰电子化学材料有限公司 Electron-level anhydrous hydrogen fluoride steel cylinder filling line with protection function
CN113375042B (en) * 2021-07-12 2023-10-03 宣城亨泰电子化学材料有限公司 Electronic grade anhydrous hydrogen fluoride steel bottle filling line with safeguard function
CN116336273A (en) * 2023-04-19 2023-06-27 佛山市顺设发科技有限公司 Metal tube connecting structure
CN116336273B (en) * 2023-04-19 2023-09-19 佛山市顺设发科技有限公司 Metal tube connecting structure

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Application publication date: 20140618