CN201517677U - Pipeline joint - Google Patents
Pipeline joint Download PDFInfo
- Publication number
- CN201517677U CN201517677U CN2009202229151U CN200920222915U CN201517677U CN 201517677 U CN201517677 U CN 201517677U CN 2009202229151 U CN2009202229151 U CN 2009202229151U CN 200920222915 U CN200920222915 U CN 200920222915U CN 201517677 U CN201517677 U CN 201517677U
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- metal
- section
- pipe joint
- annular groove
- ring
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Abstract
The utility model belongs to a connecting pipeline apparatus for burnt gas, in particular relates to a joint comprising a metal and plastic pipeline. A pipeline joint, which is a metal and plastic pipe joint, comprises a metal pipe segment and a plastic pipe segment, the pipeline joint also comprises an outer metal sleeve. According to the utility model, the metal and plastic pipeline joint is adopted, a radial ring-shaped groove, axial key groove and O-shaped seal ring structure is used, the plastic pipe segment is formed by the injection moulding process, after the molding plastic pipe segment is sufficiently cooled, the outer metal sleeved is pressed, thus improving the axial tension strength resistance and the radial torsion strength resistance and having reliable sealing property.
Description
Technical field
The utility model belongs to a kind of gas connection pipe pipeline equipment, relates in particular to a kind of joint that comprises metal and plastic piping, more particularly, relates to a kind of metal and plastic piping conversion jointing.
Background technique
Along with the continuous application of plastic product in gas pipeline, " to mould Dai Gang " becomes world trends already, and simultaneously, the plastic tube cause has obtained very great development in China, is extensive use of in gas industry, plumbing industry as pipelines such as PE, PVC.In the plastic pipe engineering, when being connected, perhaps need plastic pipe is extended to metallic conduit with the metallic conduit that has laid, must realize metal tube and plastic tube transfer problem this moment by metal and plastic piping joint.There are the defective on location and the sealing configuration in metal that the moulding of available technology adopting heat pressing process is made and plastic piping joint, and anti-axial pull is low, the anti-radially low and poor sealing performance of torsion strength.Must realize metal tube and plastic tube transfer problem by metal and plastic piping joint.The metal and the plastic piping joint of available technology adopting heat pressing process moulding manufacturing exist anti-axial pull low, defectives such as the low and poor sealing performance of anti-radially torsion strength.
The model utility content
The utility model has been researched and developed a kind of pipe joint in order to solve the technical problem that exists in the prior art.Metallo-plastic pipe joint provided by the utility model adopts Shooting Technique and reasonable structural design at defective described in the prior art, thereby make anti-axial pull of metallo-plastic pipe joint of the utility model and twisting resistance intensity radially be improved, the junction surface structure is tight between plastics pipeline section and the metal section, and sealability is reliable.
The utility model is in order to realize goal of the invention, and the technological scheme that is adopted is as follows,
A kind of pipe joint, described pipe joint are metal and plastic piping joint, and it comprises metal section 1 and plastics pipeline section 2; Described pipe joint also comprises an outer metallic sheath 3;
Described metal section 1 is concentric pipeline section with plastics pipeline section 2, and described plastics pipeline section 2 is arranged on described metal section 1 outside; Described outer metallic sheath 3 is fixedly sleeved outside described plastics pipeline section 2.
For the purpose that realizes that outer metallic sheath is fastening, described pipe joint comprises that connects a back-up ring 4, and described connection back-up ring 4 is arranged on described outer metallic sheath 3 one ends, and by described connection back-up ring 4 described metal section is fixedlyed connected with 1 outer metallic sheath 3.Described outer metallic sheath 3 compresses described plastics pipeline section 2 by described connection back-up ring 4, and affixed with described metal section 1; Described connection back-up ring 4 connects back-up ring for metal.
Realize being connected of metal section 1 and plastics pipeline section 2 in order to advance one, described pipe joint also comprises one group of annular groove 5; Described annular groove 5 is disposed radially on described metal section 1 outer wall surface.
In concrete application, described one group of annular groove 5 comprises 2-6 annular groove 5, and described each annular groove 5 degree of depth are the 1/3-1/2 of metal section 1 wall thickness, and annular groove 5 sections are quadrilateral.
Preferably, described one group of annular groove 5 comprises 4 annular grooves; And in two annular grooves 5 in described centre, also comprise respectively and be provided with O-ring seals 7; And the cross section diameter of described O-ring seals 7 is than the big 0.5-1.0mm of described annular groove 5 degree of depth.
In concrete the application, described pipe joint also comprises one group of keyway 6; Described keyway 6 is arranged on the described metal section 1 middle part outer wall surface vertically.
Preferably, described one group of keyway 6 comprises 3 keyways 6, and the length of described keyway 6 is 1/3 of described outer metallic sheath 3 length; Described keyway 6 sections are square, and the degree of depth is identical with described annular groove 5.
The utility model adopts metal and plastic piping joint, use radial ringed groove, axial keyway and O ring structure, with Shooting Technique moulding plastics pipeline section, the plastics pipeline section for the treatment of molding and forming fully cools off the back and forms with drive fit and be pressed into outer metallic sheath in place, improved the slight and anti-radially torsion strength of anti-axial tension, sealability is reliable.
Description of drawings
Fig. 1 is the concrete structural representation of the utility model;
Fig. 2 is the utility model radial section structural representation.
The 1-metal section; 2-plastics pipeline section; The outer metallic sheath of 3-; 4-connects back-up ring; The 5-annular groove; The 6-keyway; 7-O shape seal ring;
Concrete technology contents will be illustrated in conjunction with following embodiment in the accompanying drawing.
Embodiment
A kind of pipe joint, described pipe joint are metal and plastic piping joint, and it comprises metal section 1 and plastics pipeline section 2; Described pipe joint also comprises an outer metallic sheath 3;
Described metal section 1 is concentric pipeline section with plastics pipeline section 2, and described plastics pipeline section 2 is arranged on described metal section 1 outside; Described outer metallic sheath 3 is fixedly sleeved outside described plastics pipeline section 2.
For the purpose that realizes that outer metallic sheath 3 is fastening, described pipe joint comprises that connects a back-up ring 4, and described connection back-up ring 4 is arranged on described outer metallic sheath 3 one ends, and by described connection back-up ring 4 described metal section 1 is fixedlyed connected with outer metallic sheath 3.Described outer metallic sheath 3 compresses described plastics pipeline section 2 by described connection back-up ring 4, and affixed with described metal section 1; Described connection back-up ring 4 connects back-up ring for metal.
Realize being connected of metal section 1 and plastics pipeline section 2 in order to advance one, described pipe joint also comprises one group of annular groove 5; Described annular groove 5 is disposed radially on described metal section 1 outer wall surface.
In concrete application, described one group of annular groove 5 comprises 4 annular grooves, and described each annular groove 5 degree of depth are the 1/3-1/2 of metal section 1 wall thickness, and annular groove 5 sections are quadrilateral.And in two annular grooves 5 in described centre, also comprise respectively and be provided with O-ring seals 7; And the cross section diameter of described O-ring seals 7 is than the big 0.5-1.0mm of described annular groove 5 degree of depth.
In concrete the application, described pipe joint also comprises one group of keyway 6; Described keyway 6 is arranged on the described metal section 1 middle part outer wall surface vertically.Described one group of keyway 6 comprises 3 keyways, and the length of described keyway 6 is 1/3 of described outer metallic sheath 3 length; Described keyway 6 sections are square, and the degree of depth is identical with described annular groove 5.
In concrete construction, the utility model metal and plastic piping joint, comprise metal section 1 and plastics pipeline section 2, outer metallic sheath 3 concentric of an end suit at metal section 1 with it, one end of outer metallic sheath 3 has with the integrally welded metal of metal section 1 and is connected ring washer 4, uniform four radial ringed grooves 5 on the sidewall outside the metal section 1 in the metallic sheath 3 outside, groove depth is the 1/3-1/2 of the wall thickness of metal section, the section of annular groove 5 is square, middle two annular grooves are placed nitrile rubber " O " shape seal ring 7, and the cross section diameter of seal ring 7 is than the big 0.5-1.0mm of the annular groove degree of depth.Uniform three axial keyways 6 on the sidewall outside the metal section 1 in the metallic sheath 3 outside, its section is square, and the degree of depth is identical with four radial ringed grooves 5, and length is 1/3 of outer metallic sheath 3 length.Adopt Shooting Technique moulding plastics pipeline section 2, treat that injection-molded plastic pipeline section 2 fully is pressed into outer metallic sheath 3 after the cooling with the drive fit form promptly to make metal and plastic piping joint after in place.
Technique scheme is a kind of mode of execution of the present utility model, for those skilled in the art, on the basis that the utility model discloses application process and principle, be easy to make various types of improvement or distortion, and be not limited only to the described structure of the above-mentioned embodiment of the utility model, therefore previously described mode is preferably, and does not have restrictive meaning.
Claims (8)
1. pipe joint, described pipe joint is metal and plastic piping joint, it comprises metal section (1) and plastics pipeline section (2); It is characterized in that described pipe joint also comprises an outer metallic sheath (3);
Described metal section (1) is concentric pipeline section with plastics pipeline section (2), and described plastics pipeline section (2) is arranged on described metal section (1) outside; Described outer metallic sheath (3) is fixedly sleeved outside described plastics pipeline section (2).
2. a kind of pipe joint according to claim 1, it is characterized in that, described pipe joint comprises that connects a back-up ring (4), described connection back-up ring (4) is arranged on described outer metallic sheath (3) one ends, and by described connection back-up ring (4) described metal section (1) is fixedlyed connected with outer metallic sheath (3).
3. a kind of pipe joint according to claim 1 and 2 is characterized in that, described pipe joint also comprises one group of annular groove (5); Described annular groove (5) is disposed radially on described metal section (1) outer wall surface.
4. a kind of pipe joint according to claim 3, it is characterized in that, described one group of annular groove comprises 2-6 annular groove (5), and described each annular groove (5) degree of depth is the 1/3-1/2 of metal section (1) wall thickness, and annular groove (5) section is a quadrilateral.
5. according to claim 3 or 4 described a kind of pipe joints, it is characterized in that described one group of annular groove (5) comprises 4 annular grooves; And in two annular grooves in described centre (5), also comprise respectively and be provided with O-ring seals (7); And the cross section diameter of described O-ring seals (7) is than the big 0.5-1.0mm of described annular groove (5) degree of depth.
6. a kind of pipe joint according to claim 1 and 2 is characterized in that, described pipe joint also comprises one group of keyway (6); Described keyway (6) is arranged on the outer wall surface of described metal section (1) middle part vertically.
7. a kind of pipe joint according to claim 6 is characterized in that, described one group of keyway (6) comprises 3 keyways, and the length of described keyway (6) is 1/3 of described outer metallic sheath (3) length; Described keyway (6) section is square, and the degree of depth is identical with described annular groove (5).
8. a kind of pipe joint according to claim 1 and 2 is characterized in that, described outer metallic sheath (3) compresses described plastics pipeline section (2) by described connection back-up ring (4), and affixed with described metal section (1); Described connection back-up ring (4) connects back-up ring for metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202229151U CN201517677U (en) | 2009-09-25 | 2009-09-25 | Pipeline joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202229151U CN201517677U (en) | 2009-09-25 | 2009-09-25 | Pipeline joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517677U true CN201517677U (en) | 2010-06-30 |
Family
ID=42498400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202229151U Expired - Lifetime CN201517677U (en) | 2009-09-25 | 2009-09-25 | Pipeline joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201517677U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407475A (en) * | 2010-09-17 | 2012-04-11 | Hoya株式会社 | Polishing jig air injection apparatus and method |
| CN102797929A (en) * | 2012-08-13 | 2012-11-28 | 青岛联大凯威管路系统有限公司 | Fluid pipeline |
| CN107084292A (en) * | 2017-06-05 | 2017-08-22 | 河南中久安科技有限公司 | The steel modeling conversion pipe fitting and its sealing technology of a kind of two-way stop of injection molding type |
| CN108953808A (en) * | 2018-06-27 | 2018-12-07 | 东莞市泰至塑料五金有限公司 | Tube of glue end connecting device |
-
2009
- 2009-09-25 CN CN2009202229151U patent/CN201517677U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407475A (en) * | 2010-09-17 | 2012-04-11 | Hoya株式会社 | Polishing jig air injection apparatus and method |
| CN102797929A (en) * | 2012-08-13 | 2012-11-28 | 青岛联大凯威管路系统有限公司 | Fluid pipeline |
| CN102797929B (en) * | 2012-08-13 | 2014-09-10 | 青岛联大凯威管路系统有限公司 | Fluid pipeline |
| CN107084292A (en) * | 2017-06-05 | 2017-08-22 | 河南中久安科技有限公司 | The steel modeling conversion pipe fitting and its sealing technology of a kind of two-way stop of injection molding type |
| CN108953808A (en) * | 2018-06-27 | 2018-12-07 | 东莞市泰至塑料五金有限公司 | Tube of glue end connecting device |
| CN108953808B (en) * | 2018-06-27 | 2023-08-22 | 东莞市泰至塑料五金有限公司 | Glue pipe end connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100630 |
|
| CX01 | Expiry of patent term |