CN106499886B - A kind of multi-sealed cutting ferrule of combination - Google Patents

A kind of multi-sealed cutting ferrule of combination Download PDF

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Publication number
CN106499886B
CN106499886B CN201611200266.6A CN201611200266A CN106499886B CN 106499886 B CN106499886 B CN 106499886B CN 201611200266 A CN201611200266 A CN 201611200266A CN 106499886 B CN106499886 B CN 106499886B
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China
Prior art keywords
sealing ring
seal groove
ring
cutting ferrule
sealing
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Application number
CN201611200266.6A
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Chinese (zh)
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CN106499886A (en
Inventor
周剑飞
万海华
张旭东
张丽红
朱振芳
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.)
HAIYAN HAIGUAN PIPE FITTING MANUFACTURING Co Ltd
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HAIYAN HAIGUAN PIPE FITTING MANUFACTURING Co Ltd
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Priority to CN201611200266.6A priority Critical patent/CN106499886B/en
Publication of CN106499886A publication Critical patent/CN106499886A/en
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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
    • F16L21/00Joints with sleeve or socket
    • F16L21/02Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)

Abstract

The invention discloses a kind of multi-sealed cutting ferrules of combination, including cutting ferrule main body, inner tube receiving hole, outer tube holding tank, inner threaded surface, external screw thread face, the first seal groove, the first sealing ring, the second seal groove, the second sealing ring, interior step ring, third sealing ring, third seal groove, the 4th sealing ring.The present invention can make clamping sleeve blow-out patch be directly provided with multi-sealed effect, and without in addition installing sealing device additional, one is installed, and matching is strong, is less prone to the failures such as error leakage, working condition is good, reasonable for structure, easy for installation.Conducive to popularization and application.

Description

A kind of multi-sealed cutting ferrule of combination
【Technical field】
The present invention relates to the technical field of sealed pipe fittings, especially a kind of technical field of the multi-sealed cutting ferrule of combination.
【Background technology】
Pipe fitting is the fastening means between pipeline and pipeline, is the tie point that can be dismounted between element and pipeline.? Indispensable key player is acted as in pipe fitting, it is one of two main composition parts of hydraulic pipeline.Pipe fitting is used for Instrument isoline connects, and type of attachment has socket weld or threaded connection.It is mainly used for small-bore low-pressure line, it is frequent for needing The position of assembly and disassembly or as using the final adjustment of threaded fitting pipeline to be used.Structure type preferably uses metal covering contact sealing Structure, the structure type of gasket seal is commonly used on the general pipeline such as conveying water, oil, air.Pipe fitting has numerous kinds Class, common pipe fitting can be generally divided into two kinds of hard pipe joint and hose coupling.If according to the connection of pipe fitting and pipeline Mode is divided, and hard pipe joint has three kinds of flared type, bite type and welded type.Ferrule-type compression joint is non-suitable for Oil, Water, Gas etc. The specification requirement of the sealed fitting of corrosivity or Korrosionsmedium, adapted aluminium-plastic pipe is more flexible, after being connect with pipeline, has Connect firm feature.Existing ferrule-type compression joint leakproofness is difficult to satisfy the use demand, in actual application often It needs in addition to install sealing device additional and carrys out auxiliary seal, the process for increasing installation, and due to matching operation etc., easily cause The failures such as connection leakage.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of multi-sealed cutting ferrule of combination, can make Clamping sleeve blow-out patch is directly provided with multi-sealed effect, and without in addition installing sealing device additional, one is installed, and matching is strong, is not easy Make a fault leakage etc. failures, working condition is good, reasonable for structure, easy for installation.Conducive to popularization and application.
To achieve the above object, the present invention proposes a kind of multi-sealed cutting ferrule of combination, including cutting ferrule main body, inner tube accommodate Hole, outer tube holding tank, inner threaded surface, external screw thread face, the first seal groove, the first sealing ring, the second seal groove, the second sealing ring, Interior step ring, third sealing ring, third seal groove, the 4th sealing ring are provided with inner tube receiving hole in the cutting ferrule main body, described It is provided with inner threaded surface on the side wall of inner tube receiving hole, is provided with the first seal groove in the middle part of the inner threaded surface, described first is close First sealing ring is installed, the inner threaded surface bottom is provided with the second seal groove, is installed in second seal groove in sealing groove There are the second sealing ring, the open bottom of second seal groove to be provided with interior step ring, the lateral surface setting of the cutting ferrule main body There is outer tube holding tank, external screw thread face is provided on the madial wall of the outer tube holding tank, the external screw thread Middle face is provided with Three seal grooves, the third sealing ring are mounted in third seal groove, and the bottom of the outer tube holding tank is provided with the 4th sealing Circle.
Preferably, first seal groove is horizontally set on the middle part of inner threaded surface, first sealing ring it is transversal Face shape is circle, and the exposed height of first sealing ring is higher than inner threaded surface, and first sealing ring is elastic seal ring.
Preferably, the interior step ring be cross section be rectangular horizontally disposed annulus, the interior step ring with Cutting ferrule main body is an integral structure, and the cross-sectional shape of second sealing ring is strip, second sealing ring it is most interior Side extends on interior step ring.
Preferably, the most inner side of second sealing ring is provided with sealing bulge loop, the cross section shape of the sealing bulge loop Shape is semicircle, and the sealing bulge loop face inner threaded surface, the sealing bulge loop is an integral structure with the second sealing ring.
Preferably, the cross-sectional shape of the third sealing ring, which is outside, the rectangular of one section of arc-shaped convex, it is described Third sealing ring is fixed in third seal groove, and the cross-sectional shape of the 4th sealing ring is L-shaped, the 4th sealing Circuit covering is outside on the bottom of pipe holding tank and external screw thread face corresponding surface.
Preferably, second sealing ring, third sealing ring, the 4th sealing ring are elastic seal ring, described second Sealing ring is fixed on the second seal groove.
Beneficial effects of the present invention:The present invention by by cutting ferrule main body, inner tube receiving hole, outer tube holding tank, inner threaded surface, External screw thread face, the first seal groove, the first sealing ring, the second seal groove, the second sealing ring, interior step ring, third sealing ring, third Seal groove, the 4th sealing ring are combined together, and by optimum experimental, clamping sleeve blow-out patch can be made to be directly provided with multi-sealed effect Fruit, without in addition installing sealing device additional, one is installed, and matching is strong, and it is good to be less prone to failures, the working conditions such as error leakage It is good, it is reasonable for structure, it is easy for installation.Conducive to popularization and application.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of structural schematic diagram of the multi-sealed cutting ferrule of combination of the present invention.
In figure:1- cutting ferrules main body, 2- inner tubes receiving hole, 3- outer tubes holding tank, 4- inner threaded surfaces, 5- external screw threads face, 6- One seal groove, the first sealing rings of 7-, the second seal grooves of 8-, the second sealing rings of 9-, step ring, 11- thirds sealing ring, 12- in 10- Third seal groove, the 4th sealing rings of 13-, 14- seal bulge loop.
【Specific implementation mode】
Refering to fig. 1, a kind of multi-sealed cutting ferrule of combination of the present invention, including cutting ferrule main body 1, inner tube receiving hole 2, outer tube accommodate Slot 3, inner threaded surface 4, external screw thread face 5, the first seal groove 6, the first sealing ring 7, the second seal groove 8, the second sealing ring 9, interior Rank ring 10, third sealing ring 11, third seal groove 12, the 4th sealing ring 13 are provided with inner tube receiving hole in the cutting ferrule main body 1 2, inner threaded surface 4 is provided on the side wall of said inner tube receiving hole 2,4 middle part of the inner threaded surface is provided with the first seal groove 6, First sealing ring 7 is installed in first seal groove 6,4 bottom of the inner threaded surface is provided with the second seal groove 8, and described Second sealing ring 9 is installed, the open bottom of second seal groove 8 is provided with interior step ring 10, the card in two seal grooves 8 The lateral surface of set main body 1 is provided with outer tube holding tank 3, and external screw thread face 5, institute are provided on the madial wall of the outer tube holding tank 3 It states 5 middle part of external screw thread face and is provided with third seal groove 12, the third sealing ring 11 is mounted in third seal groove 12, described outer The bottom of pipe holding tank 3 is provided with the 4th sealing ring 13, and first seal groove 6 is horizontally set on the middle part of inner threaded surface 4, institute The cross-sectional shape for stating the first sealing ring 7 is circle, and the exposed height of first sealing ring 7 is higher than inner threaded surface 4, described the One sealing ring 7 is elastic seal ring, and the interior step ring 10 is that cross section is rectangular horizontally disposed annulus, described interior Rank ring 10 is an integral structure with cutting ferrule main body 1, and the cross-sectional shape of second sealing ring 9 is strip, and described second is close The most inner side of seal 9 extends on interior step ring 10, and the most inner side of second sealing ring 9 is provided with sealing bulge loop 14, described The cross-sectional shape for sealing bulge loop 14 is semicircle, the 14 face inner threaded surface 4 of sealing bulge loop, the sealing bulge loop 14 and the Two sealing rings 9 are an integral structure, and the cross-sectional shape of the third sealing ring 11 is the side that there is one section of arc-shaped convex in outside Shape, the third sealing ring 11 are fixed in third seal groove 12, and the cross-sectional shape of the 4th sealing ring 13 is L Shape, the 4th sealing ring 13 are covered on 5 corresponding surface of bottom and external screw thread face of outer tube holding tank 3, second sealing ring 9, third sealing ring 11, the 4th sealing ring 13 are that elastic seal ring, second sealing ring 9 are fixed at the second seal groove On 8.
The course of work of the present invention:
The present invention is by by cutting ferrule main body 1, inner tube receiving hole 2, outer tube holding tank 3, inner threaded surface 4, external screw thread face 5, One seal groove 6, the first sealing ring 7, the second seal groove 8, the second sealing ring 9, interior step ring 10, third sealing ring 11, third are close Sealing groove 12, the 4th sealing ring 13 are combined together, and by optimum experimental, clamping sleeve blow-out patch can be made to be directly provided with multi-sealed Effect, without in addition installing sealing device additional, one is installed, and matching is strong, and it is good to be less prone to failures, the working conditions such as error leakage It is good, it is reasonable for structure, it is easy for installation.Conducive to popularization and application.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after Scheme all belong to the scope of protection of the present invention.

Claims (6)

1. a kind of multi-sealed cutting ferrule of combination, it is characterised in that:It is accommodated including cutting ferrule main body (1), inner tube receiving hole (2), outer tube Slot (3), inner threaded surface (4), external screw thread face (5), the first seal groove (6), the first sealing ring (7), the second seal groove (8), second Sealing ring (9), interior step ring (10), third sealing ring (11), third seal groove (12), the 4th sealing ring (13), the cutting ferrule It is provided with inner tube receiving hole (2) in main body (1), inner threaded surface (4) is provided on the side wall of said inner tube receiving hole (2), it is described It is provided with the first seal groove (6) in the middle part of inner threaded surface (4), the first sealing ring (7), institute are installed in first seal groove (6) It states inner threaded surface (4) bottom and is provided with the second seal groove (8), the second sealing ring (9) is installed in second seal groove (8), The open bottom of second seal groove (8) is provided with interior step ring (10), and the lateral surface of the cutting ferrule main body (1) is provided with outside Pipe holding tank (3), is provided with external screw thread face (5) on the madial wall of the outer tube holding tank (3), in the middle part of the external screw thread face (5) It is provided with third seal groove (12), the third sealing ring (11) is mounted in third seal groove (12), the outer tube holding tank (3) bottom is provided with the 4th sealing ring (13).
2. a kind of multi-sealed cutting ferrule of combination as described in claim 1, it is characterised in that:First seal groove (6) is horizontal Middle part in inner threaded surface (4) is set, and the cross-sectional shape of first sealing ring (7) is circle, first sealing ring (7) Exposed height be higher than inner threaded surface (4), first sealing ring (7) be elastic seal ring.
3. a kind of multi-sealed cutting ferrule of combination as described in claim 1, it is characterised in that:The interior step ring (10) is transversal Face is rectangular horizontally disposed annulus, and the interior step ring (10) is an integral structure with cutting ferrule main body (1), described second The cross-sectional shape of sealing ring (9) is strip, and the most inner side of second sealing ring (9) extends on interior step ring (10).
4. a kind of multi-sealed cutting ferrule of combination as described in claim 1, it is characterised in that:Second sealing ring (9) is most Inside is provided with sealing bulge loop (14), and the cross-sectional shape of the sealing bulge loop (14) is semicircle, the sealing bulge loop (14) Face inner threaded surface (4), the sealing bulge loop (14) are an integral structure with the second sealing ring (9).
5. a kind of multi-sealed cutting ferrule of combination as described in claim 1, it is characterised in that:The cross of the third sealing ring (11) Cross sectional shape, which is outside, the rectangular of one section of arc-shaped convex, and the third sealing ring (11) is fixed at third seal groove (12) in, the cross-sectional shape of the 4th sealing ring (13) is L-shaped, and the 4th sealing ring (13) is covered in outer tube holding tank (3) on bottom and external screw thread face (5) corresponding surface.
6. a kind of multi-sealed cutting ferrule of combination as described in claim 1, it is characterised in that:Second sealing ring (9), third Sealing ring (11), the 4th sealing ring (13) are elastic seal ring, and second sealing ring (9) is fixed at the second seal groove (8) on.
CN201611200266.6A 2016-12-22 2016-12-22 A kind of multi-sealed cutting ferrule of combination Active CN106499886B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611200266.6A CN106499886B (en) 2016-12-22 2016-12-22 A kind of multi-sealed cutting ferrule of combination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611200266.6A CN106499886B (en) 2016-12-22 2016-12-22 A kind of multi-sealed cutting ferrule of combination

Publications (2)

Publication Number Publication Date
CN106499886A CN106499886A (en) 2017-03-15
CN106499886B true CN106499886B (en) 2018-11-06

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112066104A (en) * 2020-08-26 2020-12-11 新疆八一钢铁股份有限公司 Anti-falling pipe joint

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2852659B1 (en) * 2003-03-17 2008-02-15 Girpi COMPRESSION FITTING
CN201096241Y (en) * 2007-10-20 2008-08-06 王占奎 Pipeline enlarging jointing construction
CN101539226A (en) * 2009-04-27 2009-09-23 阮浩丰 Cutting sleeve-type pipe joint
CN204254088U (en) * 2014-10-16 2015-04-08 王靖崇 Flexible location type quick joint of corrugated pipe
CN205639943U (en) * 2016-05-17 2016-10-12 昆山益延精密五金有限公司 Single deck tape -recorder cover
CN206386588U (en) * 2016-12-22 2017-08-08 海盐县海管管件制造有限公司 The multi-sealed cutting ferrule of one kind combination

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