CN112648448A - Green environment-friendly energy-saving type cold and hot water supply pipe - Google Patents
Green environment-friendly energy-saving type cold and hot water supply pipe Download PDFInfo
- Publication number
- CN112648448A CN112648448A CN202011597835.1A CN202011597835A CN112648448A CN 112648448 A CN112648448 A CN 112648448A CN 202011597835 A CN202011597835 A CN 202011597835A CN 112648448 A CN112648448 A CN 112648448A
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- Prior art keywords
- pipe
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- water supply
- environment
- supply pipe
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Classifications
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- 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
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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- 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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
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- 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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
- F16L15/007—Screw-threaded joints; Forms of screw-threads for such joints with straight threads with more than one threaded section
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
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- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
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- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- 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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/143—Pre-insulated pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to the technical field of water pipes, in particular to a green environment-friendly energy-saving type cold and hot water supply pipe which comprises an inner pipe and an outer pipe, wherein the surface of the inner pipe is provided with a transverse clamping groove and a second fixing groove, the second fixing groove is in cross connection with the transverse clamping groove, the inner side of the outer pipe is provided with a clamping strip and a fixing strip, the surface of the environment-friendly water supply pipe can be effectively prevented from being polluted when the environment-friendly water supply pipe is not used through a protective layer, the corrosion resistance of the environment-friendly water supply pipe is improved through a chloroprene rubber layer, the heat preservation and insulation performance of the environment-friendly water supply pipe are improved through a foam filling layer, the toughness and the strength of the environment-friendly water supply pipe are improved through a base layer, the damage of the environment-friendly water supply pipe caused by large water pressure flowing in the environment-friendly water supply pipe can be effectively avoided through an elastic layer, the problem, greatly prolongs the service life of the environment-friendly water pipe, saves more energy and is worth popularizing.
Description
Technical Field
The invention relates to the technical field of water pipes, in particular to a green environment-friendly energy-saving type cold and hot water supply pipe.
Background
Along with the development of modern society and the acceleration of urbanization process, the water pipe has obtained the wide use in all kinds of engineering, and in order to improve the security of water pipe, the environmental protection water pipe has obtained the wide use, and current environmental protection water pipe is when using, and its life is shorter, can not carry out long-time use to lead to the relatively poor problem of result of use to appear in the environmental protection water pipe, greatly reduced the practicality of environmental protection water pipe.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the environment-friendly energy-saving type cold and hot water supply pipe which has long service life and can prevent water leakage.
In order to achieve the purpose, the invention provides the following technical scheme: a green environment-friendly energy-saving cold and hot water supply pipe comprises an inner pipe and an outer pipe, wherein the surface of the inner pipe is provided with a transverse clamping groove and a second fixing groove which are in cross connection with each other, the inner side of the outer pipe is provided with a clamping strip and a fixing strip, the clamping strip is connected with the transverse clamping groove, the fixing strip is connected with the second fixing groove, the outer pipe is in sliding connection with the inner pipe, one end of the inner pipe is provided with a third connecting pipe, the other end of the inner pipe is provided with a fourth connecting pipe, one end of the outer pipe is provided with a first connecting pipe, the other end of the outer pipe is provided with a second connecting pipe, the inner sides of the first connecting pipe and the third connecting pipe are provided with connecting threads, the connecting part of the first connecting pipe and the inner pipe is provided with threaded connection, the outer side surfaces of the second connecting pipe and the fourth connecting pipe are provided with connecting, the utility model discloses a fixing device for a motor vehicle, including first solid fixed ring and second, be equipped with the snap ring on the first solid fixed ring and the second, fixed block on the snap ring, and be equipped with fixing bolt on the fixed block, fixing bolt's both ends are equipped with fixation nut, inner tube and outer tube include inoxidizing coating, chloroprene rubber layer, foam filling layer, elastic layer, basic unit and PPR material layer, PPR material layer is located the most inboard of inner tube and outer tube, the basic unit parcel is in the outside on PPR layer, elastic layer fixed connection is in the basic unit outside, the sub elastic layer outside of foam filling layer parcel, chloroprene rubber layer parcel is in the foam filling layer outside, the inoxidizing coating parcel is in the outside.
In order to improve the buffering effect, the invention improves that the inner side of the inner pipe is provided with raised grains.
In order to improve the connection effect, the invention is improved in that first fixing grooves are arranged at two ends of the outer pipe, the first fixing grooves are close to the first connecting pipe and the second connecting pipe, and the clamping ring penetrates through the fixing ring and is connected with the first fixing grooves.
In order to improve the protection effect, the invention has the improvement that the protection layer comprises a strong base layer, a wear-resistant layer and an anti-oxidation antibacterial layer, and the anti-oxidation antibacterial layer is a titanium oxide nano film.
In order to improve the compression resistance of the water pipe, the invention improves that the elastic layer is a plurality of elastic steel wire rings, and the elastic steel wire rings are distributed in an annular array in the inner ring of the base layer.
In order to improve the strength of the water pipe, the invention improves that the base layer is made of copper or galvanized steel.
In order to further improve the buffering effect and the filtering effect of the water pipe, the invention improves that an activated carbon layer and a pebble layer are arranged on the inner side of the inner pipe.
Compared with the prior art, the invention provides a green environment-friendly energy-saving type cold and hot water supply pipe, which has the following beneficial effects:
the inner pipe and the outer pipe of the invention are matched through the first connecting pipe, the second connecting pipe, the third connecting pipe and the fourth connecting pipe, thereby facilitating the mutual connection between the environment-friendly water pipes, improving the stability and the sealing performance of the water pipe connection through the matching of the fixing ring, the snap ring and the fixing block, preventing the water pipe from leaking through the double-layer design of the outer pipe and the inner pipe, preventing the water pipe from easily breaking and causing waste, thereby improving the environment-friendly energy-saving performance of the water pipe, effectively avoiding the surface pollution when the environment-friendly water pipe is not used through the protective layer, improving the corrosion resistance of the environment-friendly water pipe through the chloroprene rubber layer, improving the heat insulation performance of the environment-friendly water pipe through the foam filling layer, improving the toughness and the strength of the environment-friendly water pipe through the base layer, effectively avoiding the damage of the environment-friendly water pipe due to the larger water pressure flowing in, the problem of the environmental protection water pipe relatively poor result of use appear because of its life is shorter, can not carry out long-time use when using is solved to lead to the environmental protection water pipe, prolonged the life of environmental protection water pipe greatly, it is worth promoting to save energy more.
Drawings
FIG. 1 is a schematic view of the inner layer structure of the present invention;
FIG. 2 is a schematic view of the inner tube structure of the present invention;
FIG. 3 is a schematic view of the outer tube structure of the present invention;
FIG. 4 is a schematic view of a half-section of the outer tube of the drawing of the present invention;
FIG. 5 is a schematic view of a retaining ring according to the present invention;
FIG. 6 is a side view of the retaining ring of the present invention;
in the figure: 1. a protective layer; 2. a chloroprene rubber layer; 3. a foam filling layer; 4. an elastic layer; 5. a base layer; 6. a layer of PPR material; 7. an outer tube; 8. an inner tube; 9. a first fixing groove; 10. a first connecting pipe; 11. A second connecting pipe; 12. a second fixing groove; 13. a transverse clamping groove; 14. a third connecting pipe; 15. a fourth connecting pipe; 16. a fixing ring; 17. a snap ring; 18. fixing the bolt; 19. fixing a nut; 20. a fixed block; 21. a fixing pad; 22. clamping the strip;
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-6, the invention relates to a green environment-friendly energy-saving cold and hot water supply pipe, which comprises an inner pipe 8 and an outer pipe 7, wherein a transverse clamping groove 13 and a second fixing groove 12 are formed on the surface of the inner pipe 8, the second fixing groove 12 is connected with the transverse clamping groove 13 in a crossed manner, a clamping strip 22 and a fixing strip are arranged on the inner side of the outer pipe 7, the clamping strip 22 is connected with the transverse clamping groove 13, the fixing strip is connected with the second fixing groove 12, the outer pipe 7 is connected with the inner pipe 8 in a sliding manner, a third connecting pipe 14 is arranged at one end of the inner pipe 8, a fourth connecting pipe 15 is arranged at the other end of the inner pipe 8, a first connecting pipe 10 is arranged at one end of the outer pipe 7, a second connecting pipe 11 is arranged at the other end of the outer pipe, connecting threads are arranged on the inner sides of the first connecting pipe 10 and the third connecting pipe 14, threaded connections with the outer pipe 7, one end of the outer tube 7 is provided with a fixing ring 16, the fixing ring 16 is formed by splicing a first fixing ring 16 and a second fixing ring 16, the first fixing ring 16 and the second fixing ring 16 are provided with snap rings 17, the snap rings 17 are provided with fixing blocks 20, and the fixing block 20 is provided with a fixing bolt 18, two ends of the fixing bolt 18 are provided with fixing nuts 19, the inner pipe 8 and the outer pipe 7 comprise a protective layer 1, a chloroprene rubber layer 2, a foam filling layer 3, an elastic layer 4, a base layer 5 and a PPR material layer 6, the PPR material layer 6 is positioned at the innermost side of the inner pipe 8 and the outer pipe 7, the base layer 5 is wrapped at the outer side of the PPR layer, the elastic layer 4 is fixedly connected with the outer side of the base layer 5, the foam filling layer 3 wraps the outer side of the elastic layer 4, the chloroprene rubber layer 2 is wrapped on the outer side of the foam filling layer 3, and the protective layer 1 is wrapped on the outer side of the chloroprene rubber layer 2.
When the environment-friendly water pipe is used, the inner pipe 8 is matched with the outer pipe 7 through the first connecting pipe 10, the second connecting pipe 11, the third connecting pipe 14 and the fourth connecting pipe 15, the mutual connection among environment-friendly water pipes is facilitated, the stability and the sealing performance of the connection of the water pipes are improved through the matching of the fixing ring 16, the snap ring 17 and the fixing block 20, the first connecting pipe 10, the second connecting pipe 11, the third connecting pipe 14 and the fourth connecting pipe 15 are connected with each other through the connecting threads and are connected with the inner pipe 8 and the outer pipe 7, the strength of the connection of the water pipes is weak and the water pipes are easy to damage, the connection mode facilitates the replacement of the connection between the inner pipe and the water pipes, the waste of the whole water pipe is avoided, the environment-friendly and energy-saving performance is improved, the inner pipe 8 is connected with the transverse clamping groove 13 through the clamping strip 22 and the fixing strip is connected with the, the water pipe is prevented from being damaged by physical phenomena of thermal expansion and cold contraction, the inner pipe 8 is convenient to replace when damaged, the water pipe is prevented from leaking by the double-layer design of the outer pipe 7 and the inner pipe 8, the water pipe is prevented from being wasted due to easy damage, the environmental protection and energy saving performance of the water pipe is improved, the surface of the water pipe is effectively prevented from being polluted when the environmental protection water pipe is not used by the protective layer 11, the corrosion resistance of the environmental protection water pipe is improved by the chloroprene rubber layer 2, the heat insulation performance of the environmental protection water pipe is improved by the foam filling layer 3, the toughness and the strength of the environmental protection water pipe are improved by the base layer 5, the damage of the environmental protection water pipe due to the fact that the water pressure flowing in the environmental protection water pipe is large can be effectively avoided by the elastic layer 4, and the problem that the environmental protection water pipe cannot be used for a long time due to short service life of the environmental protection, the innermost layer passes through PPR material layer 6 and has prolonged the life of environmental protection water pipe greatly, and is worth promoting more energy-conserving.
In order to improve the buffering effect, the invention improves that the inner side of the inner pipe 8 is provided with the wave patterns, the flow velocity of water in the inner pipe 8 is reduced, and the water is filtered.
In order to improve the connection effect, the invention improves that the two ends of the outer tube 7 are provided with first fixing grooves 9, the first fixing grooves 9 are close to the first connecting tube 10 and the second connecting tube 11, and the snap ring 17 penetrates through the fixing ring 16 and is connected with the first fixing grooves 9, so that the fixing effect of the fixing ring 16 is more stable.
In order to improve the protection effect, the invention has the improvement that the protection layer comprises a strong base layer 5, a wear-resistant layer and an antioxidant antibacterial layer, the antioxidant antibacterial layer is a titanium oxide nano film, the antioxidant antibacterial layer can effectively prevent the water pipe from being oxidized and has an antibacterial effect, so that the water pipe is not easy to scale, the toughness of the water pipe can be improved by arranging the strong base layer 5 and the wear-resistant layer, and the water pipe is effectively prevented from being worn by external force.
In order to improve the compression resistance of the water pipe, the invention improves that the elastic layer 4 is a plurality of elastic steel wire rings, and the plurality of elastic steel wire rings are distributed in an annular array at the inner ring of the base layer 5, thereby increasing the elasticity of the water pipe, improving the buffering effect and improving the compression resistance of the water pipe.
In order to improve the strength of the water pipe, the invention improves that the base layer 5 is made of copper or galvanized steel, so that the base layer 5 is prevented from generating water rust easily for a long time and the use is prevented from being influenced.
In order to further improve the buffering effect and the filtering effect of the water pipe, the invention improves that an activated carbon layer and a pebble layer are arranged on the inner side of the inner pipe 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The environment-friendly energy-saving cold and hot water supply pipe is characterized by comprising an inner pipe (8) and an outer pipe (7), wherein the surface of the inner pipe (8) is provided with a transverse clamping groove (13) and a second fixing groove (12), the second fixing groove (12) is in cross connection with the transverse clamping groove (13), the inner side of the outer pipe (7) is provided with a clamping strip (22) and a fixing strip, the clamping strip (22) is connected with the transverse clamping groove (13), the fixing strip is connected with the second fixing groove (12), the outer pipe (7) is in sliding connection with the inner pipe (8), one end of the inner pipe (8) is provided with a third connecting pipe (14), the other end of the inner pipe is provided with a fourth connecting pipe (15), one end of the outer pipe (7) is provided with a first connecting pipe (10), the other end of the outer pipe is provided with a second connecting pipe (11), and connecting threads are arranged on the inner sides of the first connecting pipe, and is equipped with threaded connection with the junction of outer tube (7) and inner tube (8), the outside surface of second connecting pipe (11) and fourth connecting pipe (15) is equipped with connecting thread, the one end of outer tube (7) is equipped with solid fixed ring (16), and solid fixed ring (16) have first solid fixed ring (16) and the solid fixed ring (16) of second concatenation to form, be equipped with snap ring (17) on first solid fixed ring (16) and the solid fixed ring of second (16), fixed block (20) is gone up in snap ring (17), and is equipped with fixing bolt (18) on fixed block (20), the both ends of fixing bolt (18) are equipped with fixation nut (19), inner tube (8) and outer tube (7) include inoxidizing coating (1), chloroprene rubber layer (2), foam filling layer (3), elastic layer (4), basic unit (5) and PPR material layer (6), PPR material layer (6) are located the innermost of inner tube (8) and outer tube (7), the base layer (5) wraps the outer side of the PPR layer, the elastic layer (4) is fixedly connected to the outer side of the base layer (5), the foam filling layer (3) wraps the outer side of the elastic layer (4), the chloroprene rubber layer (2) wraps the outer side of the foam filling layer (3), and the protective layer (1) wraps the outer side of the chloroprene rubber layer (2).
2. A cold and hot water pipe according to claim 1, wherein the inner side of the inner pipe (8) is provided with raised grains.
3. A cold and hot water supply pipe with green environmental protection and energy saving according to claim 1, wherein the outer pipe (7) is provided with a first fixing groove (9) at both ends, the first fixing groove (9) is close to the first connecting pipe (10) and the second connecting pipe (11), and the snap ring (17) penetrates through the fixing ring (16) and is connected with the first fixing groove (9).
4. The cold and hot water supply pipe of claim 1, wherein the protective layer comprises a strong base layer (5), an abrasion resistant layer and an anti-oxidation antibacterial layer, and the anti-oxidation antibacterial layer is a titanium oxide nano film.
5. A cold and hot water pipe according to claim 1, wherein the elastic layer (4) is a plurality of elastic steel wire rings, and the plurality of elastic steel wire rings are distributed in an annular array at the inner ring of the base layer (5).
6. A cold and hot water pipe according to claim 1, wherein the base layer (5) is made of copper or galvanized steel.
7. A cold and hot water pipe according to claim 1, wherein the inner side of the inner pipe (8) is provided with an activated carbon layer and a pebble layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011597835.1A CN112648448A (en) | 2020-12-29 | 2020-12-29 | Green environment-friendly energy-saving type cold and hot water supply pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011597835.1A CN112648448A (en) | 2020-12-29 | 2020-12-29 | Green environment-friendly energy-saving type cold and hot water supply pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112648448A true CN112648448A (en) | 2021-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011597835.1A Pending CN112648448A (en) | 2020-12-29 | 2020-12-29 | Green environment-friendly energy-saving type cold and hot water supply pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112648448A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068634U (en) * | 1990-07-23 | 1991-01-02 | 郑福耀 | Plastic cement pipe |
| WO1998012464A1 (en) * | 1996-09-20 | 1998-03-26 | Anthony Teague | Composite pipe structure |
| CN203147090U (en) * | 2012-12-28 | 2013-08-21 | 蒋崇军 | Plastic pipe |
| CN206496140U (en) * | 2017-02-27 | 2017-09-15 | 青岛法尔塑胶管业有限公司 | A kind of anti-oxidation PP R hot water pipes of resistance to compression |
| CN206608630U (en) * | 2017-01-24 | 2017-11-03 | 河北星洁管业有限公司 | A kind of drainpipe of Jing Yin improvement |
| CN108483647A (en) * | 2018-05-04 | 2018-09-04 | 滁州学院 | The minimizing technology and removal device of pollutant in a kind of water body |
| CN208587654U (en) * | 2018-07-13 | 2019-03-08 | 湖南湘材管业有限公司 | A kind of environment friendly composite plastic pipe |
| CN210034659U (en) * | 2019-05-22 | 2020-02-07 | 杭州圣昊管道有限公司 | PVC drain pipe is used in city blowdown construction |
| CN210165021U (en) * | 2019-05-21 | 2020-03-20 | 尹誉蓉 | Long service life's environmental protection water pipe |
| CN210440699U (en) * | 2019-06-10 | 2020-05-01 | 福建富华管业有限公司 | High pressure resistant PPR water pipe |
-
2020
- 2020-12-29 CN CN202011597835.1A patent/CN112648448A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068634U (en) * | 1990-07-23 | 1991-01-02 | 郑福耀 | Plastic cement pipe |
| WO1998012464A1 (en) * | 1996-09-20 | 1998-03-26 | Anthony Teague | Composite pipe structure |
| CN203147090U (en) * | 2012-12-28 | 2013-08-21 | 蒋崇军 | Plastic pipe |
| CN206608630U (en) * | 2017-01-24 | 2017-11-03 | 河北星洁管业有限公司 | A kind of drainpipe of Jing Yin improvement |
| CN206496140U (en) * | 2017-02-27 | 2017-09-15 | 青岛法尔塑胶管业有限公司 | A kind of anti-oxidation PP R hot water pipes of resistance to compression |
| CN108483647A (en) * | 2018-05-04 | 2018-09-04 | 滁州学院 | The minimizing technology and removal device of pollutant in a kind of water body |
| CN208587654U (en) * | 2018-07-13 | 2019-03-08 | 湖南湘材管业有限公司 | A kind of environment friendly composite plastic pipe |
| CN210165021U (en) * | 2019-05-21 | 2020-03-20 | 尹誉蓉 | Long service life's environmental protection water pipe |
| CN210034659U (en) * | 2019-05-22 | 2020-02-07 | 杭州圣昊管道有限公司 | PVC drain pipe is used in city blowdown construction |
| CN210440699U (en) * | 2019-06-10 | 2020-05-01 | 福建富华管业有限公司 | High pressure resistant PPR water pipe |
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Application publication date: 20210413 |
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