CN103867822B - The wiper seal packing ring of a kind of heavy caliber Cam lock rapid pipe joint - Google Patents
The wiper seal packing ring of a kind of heavy caliber Cam lock rapid pipe joint Download PDFInfo
- Publication number
- CN103867822B CN103867822B CN201410086086.4A CN201410086086A CN103867822B CN 103867822 B CN103867822 B CN 103867822B CN 201410086086 A CN201410086086 A CN 201410086086A CN 103867822 B CN103867822 B CN 103867822B
- Authority
- CN
- China
- Prior art keywords
- seal packing
- wiper seal
- packing ring
- bearing surface
- convex globoidal
- 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.)
- Active
Links
- 238000012856 packing Methods 0.000 title claims abstract description 70
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings 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
- F16L37/18—Joints tightened by eccentrics or rotatable cams
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses the wiper seal packing ring of a kind of heavy caliber Cam lock rapid pipe joint, described wiper seal packing ring is that rubber is one-body molded, structure includes the inserted part that is connected with draw-in groove and seals with another wiper seal packing ring the abutting part abutted; The outer end of described abutting part is the bearing surface tilted, bearing surface is low inside and high outside, the inner of bearing surface extends internally formation interior protuberance, and 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 be connected smoothly with convex globoidal; The abutment surface perpendicular to wiper seal packing ring axis is formed after the bearing surface being connected to the wiper seal packing ring on public connecting head and female connector pushes against mutually.When the high-pressure liquid in pipeline is through rapid pipe joint position, high-pressure liquid produces pressure to the convex globoidal position of wiper seal packing ring, and make the pressure increase between two wiper seal packing rings, the abutment surface between two wiper seal packing rings can not produce leakage.
Description
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 lock rapid pipe joint.
Background technique
Cam lock rapid pipe joint is derived from US military AA-59326 standard and European Union EN14420-7 standard, for the connection of fluid delivery pipeline.Due to its dismounting rapid and convenient, be now widely used in field of fluid.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/T16693-1996 ".Because the amount of fluid conveying is increasing, efficiency requirements is higher, therefore bigbore pipeline use amount strengthens, and the joint connecting two segment pipes uses more general.Bigbore Cam lock rapid pipe joint is exactly in this case, derivative according to existing standard and the requirement being connected fast use.In this programme, the heavy caliber Cam lock rapid pipe joint of indication is 6 inches, 8 inches, 10 inches, 12 inches and above large gauge connector product, and often group must be assembled 4 handles (distribution in 90 ° of every handles) and locked pressing.
The seal washer of the heavy caliber Cam lock rapid pipe joint use used on existing market is plain cushion, and because cross-section area is large, when ensureing not leak, the pressure so used is just less than normal, and the highest test pressure that can reach is 0.6MPa.
The plain cushion wiper seal packing ring of product adapted produced in the market, can only be use under the state of low pressure or under the less demanding environment of leakage, for when needing bigbore Cemented filling and require the fluid conveying of forbidding to leak, the cost of user can only be increased, use the connecting head of other type.
Summary of the invention
Technical problem to be solved by this invention is: the deficiency existed for prior art, a kind of compact structure is provided, easy for installation, sealing effect is strong, and high-pressure liquid can be stood to impact and do not produce the wiper seal packing ring of the heavy caliber Cam lock rapid pipe joint of leakage.
For realizing the object of the present invention, be achieved by the following technical solutions: the wiper seal packing ring of a kind of heavy caliber Cam lock rapid pipe joint, described wiper seal packing ring is that rubber is one-body molded, structure includes the inserted part that is connected with draw-in groove and seals with another wiper seal packing ring the abutting part abutted; The outer wall of described wiper seal packing ring is cylndrical surface; The interior side direction pressure seal circle inner circumferential of described inserted part is protruded, and the outer end of projection forms one perpendicular to the plane of orientation of wiper seal packing ring axis, and what the inner of projection formed an arc snaps in cambered surface; The outer end of described abutting part is the bearing surface tilted, bearing surface is low inside and high outside, the outer end of bearing surface stretches out formation male part, the inner of bearing surface extends internally formation 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 be connected smoothly with convex globoidal; The abutment surface perpendicular to wiper seal packing ring axis is formed after the bearing surface being connected to the wiper seal packing ring on public connecting head and female connector pushes against mutually.
Preferably: the interior edge face of described wiper seal packing ring offers an annular recessed circle.
Preferably: the surface roughness value of described draw-in groove is more than Ra3.2, wiper seal packing ring is butyronitrile oil resistant rubber, and hardness is 55 ± 5 degree.
Compared with prior art, the invention has the beneficial effects as follows: this wiper seal packing ring is connected on public connecting head and female connector end face, the position that the concave arc surface position of wiper seal packing ring coordinates with public connecting head or female connector defines first and seals; The interior edge face of wiper seal packing ring coordinates with the bottom of draw-in groove on public connecting head, female connector exterior edge face to compress and forms second and seal; Three seals is formed between the bearing surface of two wiper seal packing rings, and, when the high-pressure liquid in pipeline is through rapid pipe joint position, high-pressure liquid produces pressure to the convex globoidal position of wiper seal packing ring, make the pressure increase between two wiper seal packing rings, the abutment surface between two wiper seal packing rings can not produce leakage.In addition, because bearing surface original state tilts, have enough large pretightening force after two bearing surfaces compress, sealing is strong.Described male part is clamped between the gap of public connecting head and female connector end face, more enhances sealing effect.Locking circle in described draw-in groove enables wiper seal packing ring be engaging in well in draw-in groove on the one 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 schematic enlarged-scale view of Fig. 1.
Fig. 4 is the structural representation of wiper seal packing ring.
Fig. 5 is the B portion schematic enlarged-scale 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, the wiper seal packing ring of a kind of heavy caliber Cam lock rapid pipe joint described in the present embodiment, described wiper seal packing ring is that rubber is one-body molded, structure includes the inserted part 22 that is connected with draw-in groove and seals with another wiper seal packing ring the abutting part 21 abutted; The outer wall 201 of described wiper seal packing ring is cylndrical surface; The interior side direction pressure seal circle inner circumferential of described inserted part is protruded, and the outer end of projection forms one perpendicular to the plane of orientation 205 of wiper seal packing ring axis, 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 tilted, bearing surface is low inside and high outside, the outer end of bearing surface stretches out formation male part 24, the inner of bearing surface extends internally the interior protuberance 25 of formation one, 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 be connected smoothly with convex globoidal; The abutment surface perpendicular to wiper seal packing ring axis is formed after the bearing surface being connected to the wiper seal packing ring on public connecting head and female connector pushes against mutually.The interior edge face of described wiper seal packing ring offers an annular recessed circle 23.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 (shore A degree) 55 ± 5 degree.
Rapid pipe joint includes the public connecting head 1, female connector 3 and the wiper seal packing ring 2 that is arranged between public connecting head, female connector that match, the end face that described public connecting head is relative with female connector all offers the draw-in groove 11 in order to the annular of Bonding pressure seal washer, be connected with a described wiper seal packing ring 2 in each draw-in groove, two wiper seal packing rings on public connecting head and female connector end face are mutually tight against and rapid pipe joint are sealed.Described female connector periphery is provided with four camlock handles and is connected with public connecting head.
Draw-in groove madial wall outer end on described public connecting head or female connector end face is integrally formed with the locking circle 12 of a circle, described locking circle end face is outwardly in the arc coordinated with wiper seal packing ring fovea superior cambered surface, locking 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.
Leave gap 5 between the end face that described public connecting head is relative with female connector, the male part 24 being connected to the wiper seal packing ring on public connecting head and female connector is clamped between described gap.
Described rapid pipe joint is all connected to wiper seal packing ring on public connecting head and 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 defines first and seals; The interior edge face of wiper seal packing ring coordinates with the bottom of draw-in groove to compress and forms second and seal; Three seals is formed between the bearing surface of two wiper seal packing rings, and, when the high-pressure liquid in pipeline is through rapid pipe joint position, high-pressure liquid produces pressure to the convex globoidal position of wiper seal packing ring, make the pressure increase between two wiper seal packing rings, the abutment surface between two wiper seal packing rings can not produce leakage.In addition, because bearing surface original state tilts, have enough large pretightening force after two bearing surfaces compress, sealing is strong.Described male part is clamped between the gap of public connecting head and female connector end face, more enhances sealing effect.Locking circle in described draw-in groove enables wiper seal packing ring be engaging in well in draw-in groove on the one hand, and locking circle coordinates with the concave arc surface on wiper seal packing ring the sealing effect that ensure that 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, is snapped in draw-in groove inserted part when recessed circle is also beneficial to setting pressure seal washer simultaneously.
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, therefore can and snap in cambered surface position smear solid lubrication fat or quartz flour in pressure seal ring outer wall face when 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 in whole for wiper seal packing ring press-in draw-in groove again.
Claims (1)
1. the wiper seal packing ring of heavy caliber Cam lock rapid pipe joint, it is characterized in that: described wiper seal packing ring is that rubber is one-body molded, structure include the inserted part that is connected with draw-in groove and seal with another wiper seal packing ring the abutting part abutted; The outer wall of described wiper seal packing ring is cylndrical surface; The interior side direction pressure seal circle inner circumferential of described inserted part is protruded, and the outer end of projection forms one perpendicular to the plane of orientation of wiper seal packing ring axis, and what the inner of projection formed an arc snaps in cambered surface; The outer end of described abutting part is the bearing surface tilted, bearing surface is low inside and high outside, the outer end of bearing surface stretches out formation male part, the inner of bearing surface extends internally formation 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 be connected smoothly with convex globoidal; The abutment surface perpendicular to wiper seal packing ring axis is formed after the bearing surface being connected to the wiper seal packing ring on public connecting head and female connector pushes against mutually; The interior edge face of described wiper seal packing ring offers an annular recessed circle; The surface roughness value of described draw-in groove is more than Ra3.2, and wiper seal packing ring is butyronitrile oil resistant rubber, and hardness is 55 ± 5 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086086.4A CN103867822B (en) | 2014-03-10 | 2014-03-10 | The wiper seal packing ring of a kind of heavy caliber Cam lock rapid pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086086.4A CN103867822B (en) | 2014-03-10 | 2014-03-10 | The wiper seal packing ring of a kind of heavy caliber Cam lock rapid pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103867822A CN103867822A (en) | 2014-06-18 |
| CN103867822B true CN103867822B (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410086086.4A Active CN103867822B (en) | 2014-03-10 | 2014-03-10 | The wiper seal packing ring of a kind of heavy caliber Cam lock rapid pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103867822B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299688B (en) * | 2019-06-25 | 2020-05-19 | 广州志浩信念网络科技有限公司 | Wiring rack with cam locking structure |
| CN112228658B (en) * | 2020-11-23 | 2022-06-14 | 安徽中兴流体装备有限责任公司 | Flexible flexible pipeline connecting piece |
| CN115930016A (en) * | 2021-08-04 | 2023-04-07 | 高安市璐克斯机械有限公司 | Sealing structure for pipeline joint and French joint |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2761948Y (en) * | 2004-12-20 | 2006-03-01 | 谭成富 | Novel pipe joint |
| 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 |
| CN203743679U (en) * | 2014-03-10 | 2014-07-30 | 浙江伟鑫金属制品有限公司 | Pressure sealing washer of large diameter cam locking type rapid joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6011777B2 (en) * | 2012-05-15 | 2016-10-19 | Nok株式会社 | Sealing device |
-
2014
- 2014-03-10 CN CN201410086086.4A patent/CN103867822B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2761948Y (en) * | 2004-12-20 | 2006-03-01 | 谭成富 | Novel pipe joint |
| 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 |
| CN203743679U (en) * | 2014-03-10 | 2014-07-30 | 浙江伟鑫金属制品有限公司 | Pressure sealing washer of large diameter cam locking type rapid joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103867822A (en) | 2014-06-18 |
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |