CN102278546A - Copper plastic compound pipe - Google Patents
Copper plastic compound pipe Download PDFInfo
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- CN102278546A CN102278546A CN201110202243XA CN201110202243A CN102278546A CN 102278546 A CN102278546 A CN 102278546A CN 201110202243X A CN201110202243X A CN 201110202243XA CN 201110202243 A CN201110202243 A CN 201110202243A CN 102278546 A CN102278546 A CN 102278546A
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- plastic composite
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Abstract
The invention relates to a pipeline part, and in particular relates to a copper plastic compound pipe. The invention provides a copper plastic compound pipe which is provided with a first open end and a second open end. The copper plastic compound pipe comprises a copper pipe layer and a plastic pipe layer positioned at the interior of the copper pipe layer, and the part, positioned at the first open end, of the plastic pipe layer radially packages the end of the copper pipe layer so as to form a package part; the radial edge of the package part forms a reentry which extends toward the second open end, and the inner wall of the reentry is fitly fixed on the outer wall of the copper pipe layer; and the inner wall of the reentry is fitly fixed on the outer wall of the copper pipe layer so as to prevent the copper pipe layer of the molded copper plastic compound pipe from shifting axially, so that the fixed effect is good, thereby preventing the leakage caused by the looseness of the copper pipe layer and the plastic pipe layer.
Description
Technical field
The present invention relates to conduit component, be specifically related to a kind of Copper-plastic Composite Pipe.
Background technique
Conduit component in the bathroom adopts copper fitting mostly, yet Cuprum alloy is a kind of comparatively rare resource, and price is higher, and the conduit component weight of utilizing Cuprum alloy to make is heavier, is inconvenient to install.Adopt Cuprum alloy to make the above many disadvantages that pipeline brings in order to overcome, producer researchs and produces the Copper-plastic Composite Pipe road of plastic material and Cuprum alloy one after another.Chinese patent literature CN2869530Y discloses a kind of Copper-plastic Composite Pipe, the plastic pipe layer that described Copper-plastic Composite Pipe has the copper pipe layer and is positioned at described copper pipe layer, the inside of described plastic pipe layer has a copper pipe layer again, wherein, connect by one deck hot melt macromolecule bond between adjacent described copper pipe layer and the described plastic pipe layer.It is big that the disclosed Copper-plastic Composite Pipe of the document has avoided simple employing Cuprum alloy to make the pipeline weight of pipeline, is unfavorable for the defective of installing having advantage light and that be convenient to install.But in use still there is following defective in the disclosed Copper-plastic Composite Pipe of the document:
The copper pipe layer of this Copper-plastic Composite Pipe is in the same place by the adhesive bond of hot melt with plastic pipe layer, prolongation along with service time, hot-melt adhesive can wear out, make copper pipe layer and plastic pipe layer loosening, thereby make both axially and directly upwards relative movement take place respectively, thereby cause the seepage of liquid.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome Copper-plastic Composite Pipe of the prior art and adopts Bond to carry out the fixing of copper pipe layer and plastic pipe layer and fixed effect that bring does not with great difficulty make liquid produce the defective of seepage, thereby thereby provides a kind of copper pipe layer and plastic pipe layer good fixing effect to be difficult for taking place the Copper-plastic Composite Pipe of seepage.
For this reason, the invention provides a kind of Copper-plastic Composite Pipe, have first opening end and second opening end, described Copper-plastic Composite Pipe comprises the copper pipe layer and is positioned at the plastic pipe layer of described copper pipe layer inside, described plastic pipe layer radially wraps the end of described copper pipe layer in described first open end, thereby form a parcel portion, one of moulding is towards turning back that the described second opening end direction is extended on its radial edges in described parcel portion, and the outer wall of described inwall of turning back and described copper pipe layer is fitted and fixed.
Preferably, described copper pipe layer is being near forming circular groove on the inwall of described first opening end, forms the fixing round flange that matches with described circular groove on the corresponding position of the outer wall of described plastic pipe layer.
Preferably, the inwall of described copper pipe layer forms some raised lines on circumferentially vertically, forms on the corresponding position of the outer wall of described plastic pipe layer to cooperate some grooves of fixing with described raised line.
Preferably, the cross section of described raised line is trapezoidal.
Preferably, described circular groove is two.
Preferably, the end face that is positioned at the described plastic pipe layer of described second opening end protrudes in the end face 0.3-0.5mm of described copper pipe layer.
Preferably, form at least two square grooves on the end face of first opening end of described copper pipe layer, form the fixing square boss that matches with described square groove in the described parcel portion.
Preferably, described square groove is four, and evenly distributes on the end face of described first opening end.
Preferably, described height of turning back is not less than 1mm.
Preferably, described copper pipe layer outer wall on form some screw threads.
Copper-plastic Composite Pipe provided by the invention has the following advantages:
1. the invention provides a kind of Copper-plastic Composite Pipe, have first opening end and second opening end, described Copper-plastic Composite Pipe comprises the copper pipe layer and is positioned at the plastic pipe layer of described copper pipe layer inside, described plastic pipe layer radially wraps the end of described copper pipe layer and forms a parcel portion in described first open end, one of moulding is towards turning back that the described second opening end direction is extended on its radial edges in described parcel portion, and the outer wall of described inwall of turning back and described copper pipe layer is fitted and fixed.Described parcel portion turning back of moulding on its radial edges towards described second opening end direction extension, the outer wall of described inwall of turning back and described copper pipe layer is fitted fixing, the copper pipe layer that can prevent the Copper-plastic Composite Pipe after the moulding moves axially, good fixing effect, and can prevent seepage.Preferably, described height of turning back is not less than 1mm, if described height of turning back is less, so described turning back stops that for the outer wall of described copper pipe layer area is just less, described copper pipe layer shakes off described turning back when may wear to a certain degree described turning back easily, moves thereby produce.
2. the invention provides a kind of Copper-plastic Composite Pipe, preferably, described copper pipe layer is being near forming circular groove on the inwall of described first opening end, forms the fixing round flange that matches with described circular groove on the corresponding position of the outer wall of described plastic pipe layer.Described circular groove and described round flange match to fix and can prevent further that the copper pipe layer after the moulding from moving axially with respect to described plastic pipe layer.Further preferably, described circular groove has two, the flange of the described circle that matches also is two, this structural design is with respect to a circular groove, fixed effect is better, and the design of two circular grooves can be avoided the generation that moves radially because of the copper pipe layer that may cause after one of them wearing and tearing.
3. a kind of Copper-plastic Composite Pipe provided by the invention, preferably, the inwall of described copper pipe layer forms several raised lines on circumferentially vertically, forms on the corresponding position of the outer wall of described plastic pipe layer to cooperate several grooves of fixing with described raised line.Be molded on the described plastic pipe layer outer wall some grooves respectively be molded over described copper pipe layer inwall on several raised lines match fixing, can prevent further that the copper pipe layer after the moulding from radially rotating with respect to described plastic pipe layer, the shape of cross section of described raised line is trapezoidal, this structure can guarantee that described plastic pipe layer is easy to embed described copper pipe layer, and is not easy to become flexible after fixing.
4. a kind of Copper-plastic Composite Pipe provided by the invention, preferably, the end face of described plastic pipe layer that is positioned at an end of described second opening end protrudes in the end face 0.3-0.5mm of described copper pipe layer.The end face of described plastic pipe layer protrudes in the end face of described copper pipe layer, can prevent the product infiltration, if both range differences are excessive, the plastic pipe layer that has big section leaks outside, is unfavorable for installing, if range difference is too small, along with the prolongation of service time, plastic pipe layer may make liquid generation seepage after producing wearing and tearing, therefore, preferred both range difference of the present invention is at 0.3-0.5mm.
5. a kind of Copper-plastic Composite Pipe provided by the invention preferably, forms at least two square grooves on the end face of first opening end of described copper pipe layer, forms the fixing square boss that matches with described square groove in the described parcel portion.Described square boss and described square groove are fixed in radial fit, can further strengthen the radial location of described copper pipe layer and described plastic pipe layer, make both can not produce rotation radially.Further preferably, described square groove is four, and on the end face of described first opening end, evenly distribute, when on end face, evenly distributing, retention force radially on the described end face is comparatively even, can not make several immovable point moments of torsion different big, thereby avoid issuablely when big radially rotating because of the torsion of several immovable points is different.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the stereogram of the copper pipe layer of Copper-plastic Composite Pipe provided by the invention;
The plan view that Fig. 2 looks from first opening end for Copper-plastic Composite Pipe provided by the invention;
Fig. 3 be along A-A among Fig. 2 cut open to sectional drawing;
Fig. 4 is the structure that adopts a kind of valve body of Copper-plastic Composite Pipe provided by the invention;
Reference character is expressed as among the figure:
1-first opening end; 2-second opening end; 3-copper pipe layer; The 4-plastic pipe layer; The 5-raised line; The 7-circular groove; 8-parcel portion; 9-turns back; The 10-round flange, the 11-square groove.
Embodiment
Core of the present invention is the appropriate design by fixed connection structure between copper pipe layer and the plastic pipe layer, guarantees good fixed effect and sealing effect between copper pipe layer and the plastic pipe layer, thereby a kind of Copper-plastic Composite Pipe that can prevent seepage is provided.
For fixing of the tubular part that connects together, generally design first: prevent to take place between the parts radially to rotate by structural design from two aspects; Second: prevent to move axially between the parts by structural design.
Therefore, the present invention realizes what side of the present invention made eye bright from two aspects of radially rotating and move axially that prevent copper pipe layer and plastic pipe layer emphatically, and the Copper-plastic Composite Pipe of a kind of fixed effect and good sealing effect promptly is provided.
In order to make those skilled in the art understand technological scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Copper-plastic Composite Pipe in the present embodiment, have first opening end 1 and second opening end 2, described Copper-plastic Composite Pipe comprises that copper pipe layer 3(sees Fig. 1 and Fig. 2) and the plastic pipe layer 4(that is positioned at described copper pipe layer 3 inside see Fig. 4), described plastic pipe layer 4 radially wraps the end of described copper pipe layer 3 and forms a parcel portion 8 at described first opening end 1 place, described parcel portion 8 forms a 9(that turns back that extends along second opening end, 2 directions of described copper pipe layer 3 and sees Fig. 4 on its radial edges), at this, described 9 the height of turning back is 1mm, and described 9 inwall and the outer wall of described copper pipe layer 3 of turning back fitted fixing; Form square groove 11 on the end face of first opening end 1 of described copper pipe layer 3, form the fixing square boss that matches with described square groove 11 in the described parcel portion 8, at this, square groove 11 is four; Described copper pipe layer 3 is being seen Fig. 3 near forming circular groove 7(on the inwall of described first opening end 1), at this, described circular groove 7 is two, and the round flange 10 on the corresponding position of described circular groove 7 and the outer wall that is molded over described plastic pipe layer 4 matches fixing; The inwall of described copper pipe layer 3 forms some raised lines 5 on circumferentially vertically, and the cross section of described raised line 5 is trapezoidal, forms on the corresponding position of the outer wall of described plastic pipe layer 4 to cooperate some grooves of fixing with described raised line 5; The end face that is positioned at the described plastic pipe layer 4 of described second opening end 2 protrudes in the end face 0.5mm of described copper pipe layer 3; Form some screw threads on the outer wall of described copper pipe layer 3.
Copper-plastic Composite Pipe in the present embodiment, have first opening end 1 and second opening end 2, described Copper-plastic Composite Pipe comprises that copper pipe layer 3(sees Fig. 1 and Fig. 2) and the plastic pipe layer 4(that is positioned at described copper pipe layer 3 inside see Fig. 4), described plastic pipe layer 4 radially wraps the end of described copper pipe layer 3 and forms a parcel portion 8 at described first opening end 1 place, described parcel portion 8 forms a 9(that turns back that extends along second opening end, 2 directions of described copper pipe layer 3 and sees Fig. 4 on its radial edges), at this, described 9 the height of turning back is 2mm, and described 9 inwall and the outer wall of described copper pipe layer 3 of turning back fitted fixing; Form square groove 11 on the end face of first opening end 1 of described copper pipe layer 3, form the fixing square boss that matches with described square groove 11 in the described parcel portion 8, at this, square groove 11 is eight; Described copper pipe layer 3 is being seen Fig. 3 near forming circular groove 7(on the inwall of described first opening end 1), at this, described circular groove 7 is two, and the round flange 10 on the corresponding position of described circular groove 7 and the outer wall that is molded over described plastic pipe layer 4 matches fixing; The inwall of described copper pipe layer 3 forms some raised lines 5 on circumferentially vertically, and the cross section of described raised line 5 is trapezoidal, forms on the corresponding position of the outer wall of described plastic pipe layer 4 to cooperate some grooves of fixing with described raised line 5; The end face that is positioned at the described plastic pipe layer 4 of described second opening end 2 protrudes in the end face 0.4mm of described copper pipe layer 3; Form some screw threads on the outer wall of described copper pipe layer 3.
Copper-plastic Composite Pipe in the present embodiment, have first opening end 1 and second opening end 2, described Copper-plastic Composite Pipe comprises that copper pipe layer 3(sees Fig. 1 and Fig. 2) and the plastic pipe layer 4(that is positioned at described copper pipe layer 3 inside see Fig. 4), described plastic pipe layer 4 radially wraps the end of described copper pipe layer 3 and forms a parcel portion 8 at described first opening end 1 place, described parcel portion 8 forms a 9(that turns back that extends along second opening end, 2 directions of described copper pipe layer 3 and sees Fig. 4 on its radial edges), at this, described 9 the height of turning back is 3mm, and described 9 inwall and the outer wall of described copper pipe layer 3 of turning back fitted fixing; Form square groove 11 on the end face of first opening end 1 of described copper pipe layer 3, form the fixing square boss that matches with described square groove 11 in the described parcel portion 8, at this, square groove 11 is six; Described copper pipe layer 3 is being seen Fig. 3 near forming circular groove 7(on the inwall of described first opening end 1), at this, described circular groove 7 is two, and the round flange 10 on the corresponding position of described circular groove 7 and the outer wall that is molded over described plastic pipe layer 4 matches fixing; The inwall of described copper pipe layer 3 forms some raised lines 5 on circumferentially vertically, and the cross section of described raised line 5 is trapezoidal, forms on the corresponding position of the outer wall of described plastic pipe layer 4 to cooperate some grooves of fixing with described raised line 5; The end face that is positioned at the described plastic pipe layer 4 of described second opening end 2 protrudes in the end face 0.3mm of described copper pipe layer 3; Form some screw threads on the outer wall of described copper pipe layer 3.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. Copper-plastic Composite Pipe, have first opening end (1) and second opening end (2), described Copper-plastic Composite Pipe comprises copper pipe layer (3) and is positioned at the inner plastic pipe layer (4) of described copper pipe layer (3), it is characterized in that: described plastic pipe layer (4) locates radially to wrap the end of described copper pipe layer (3) at described first opening end (1), thereby form a parcel portion (8), described parcel portion (8) is turn back (9) of extending towards described second opening end (2) direction of moulding on its radial edges, and the outer wall of the inwall of described turning back (9) and described copper pipe layer (3) is fitted fixing.
2. Copper-plastic Composite Pipe according to claim 1, it is characterized in that: described copper pipe layer (3) is being near forming circular groove (7) on the inwall of described first opening end (1), forms the fixing round flange (10) that matches with described circular groove (7) on the corresponding position of the outer wall of described plastic pipe layer (4).
3. Copper-plastic Composite Pipe according to claim 1 and 2, it is characterized in that: the inwall of described copper pipe layer (3) forms several raised lines (5) on circumferentially vertically, forms on the corresponding position of the outer wall of described plastic pipe layer (4) to cooperate several grooves of fixing with described raised line (5).
4. Copper-plastic Composite Pipe according to claim 3 is characterized in that: the cross section of described raised line (5) is trapezoidal.
5. Copper-plastic Composite Pipe according to claim 3 is characterized in that: described circular groove (7) is two.
6. according to each described Copper-plastic Composite Pipe among the claim 1-5, it is characterized in that: the end face that is positioned at the described plastic pipe layer (4) of described second opening end (2) protrudes in the end face 0.3-0.5mm of described copper pipe layer (3).
7. according to each described Copper-plastic Composite Pipe among the claim 1-5, it is characterized in that: form at least two square grooves (11) on the end face of first opening end (1) of described copper pipe layer (3), form the fixing square boss that matches with described square groove (11) in the described parcel portion (8).
8. Copper-plastic Composite Pipe according to claim 7 is characterized in that: described square groove (11) is four, and evenly distributes on the end face of described first opening end (1).
9. Copper-plastic Composite Pipe according to claim 3 is characterized in that: the height of described turning back (9) is not less than 1mm.
10. according to each described Copper-plastic Composite Pipe among the claim 1-9, it is characterized in that: form some screw threads on the outer wall of described copper pipe layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110202243XA CN102278546B (en) | 2011-07-19 | 2011-07-19 | Copper plastic compound pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110202243XA CN102278546B (en) | 2011-07-19 | 2011-07-19 | Copper plastic compound pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278546A true CN102278546A (en) | 2011-12-14 |
| CN102278546B CN102278546B (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110202243XA Active CN102278546B (en) | 2011-07-19 | 2011-07-19 | Copper plastic compound pipe |
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| Country | Link |
|---|---|
| CN (1) | CN102278546B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797929A (en) * | 2012-08-13 | 2012-11-28 | 青岛联大凯威管路系统有限公司 | Fluid pipeline |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2463641Y (en) * | 2001-02-19 | 2001-12-05 | 谭文龙 | Plastic multiunit water-drinking pipe |
| EP1389704A1 (en) * | 2002-08-15 | 2004-02-18 | Formar S.A. | Plastic lined metal pipe and method of manufacture |
| WO2004111518A1 (en) * | 2003-05-27 | 2004-12-23 | Putzmeister Aktiengesellschaft | Tube for transporting high-viscosity materials |
| CN201757227U (en) * | 2010-08-14 | 2011-03-09 | 俞海佳 | Straight-through joint |
| CN201891953U (en) * | 2010-12-12 | 2011-07-06 | 王宏 | Lining type steel-plastic composite pipe |
| CN202149294U (en) * | 2011-07-19 | 2012-02-22 | 广州海鸥卫浴用品股份有限公司 | Copper plastic composite pipe |
-
2011
- 2011-07-19 CN CN201110202243XA patent/CN102278546B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2463641Y (en) * | 2001-02-19 | 2001-12-05 | 谭文龙 | Plastic multiunit water-drinking pipe |
| EP1389704A1 (en) * | 2002-08-15 | 2004-02-18 | Formar S.A. | Plastic lined metal pipe and method of manufacture |
| WO2004111518A1 (en) * | 2003-05-27 | 2004-12-23 | Putzmeister Aktiengesellschaft | Tube for transporting high-viscosity materials |
| CN201757227U (en) * | 2010-08-14 | 2011-03-09 | 俞海佳 | Straight-through joint |
| CN201891953U (en) * | 2010-12-12 | 2011-07-06 | 王宏 | Lining type steel-plastic composite pipe |
| CN202149294U (en) * | 2011-07-19 | 2012-02-22 | 广州海鸥卫浴用品股份有限公司 | Copper plastic composite pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102278546B (en) | 2013-11-13 |
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Address after: 511400 No. 363 Shanxi Road, Sha tou street, Panyu District, Guangzhou, Guangdong Patentee after: Guangzhou seagull residential industry Limited by Share Ltd Address before: 511400 No. 363 Shanxi Road, Sha tou street, Panyu District, Guangzhou, Guangdong Patentee before: Guangzhou Seagull Kitchen and Bath Products Co., Ltd. |
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