CN210978925U - Water supply steel-plastic pipe joint - Google Patents
Water supply steel-plastic pipe joint Download PDFInfo
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- CN210978925U CN210978925U CN201921759395.8U CN201921759395U CN210978925U CN 210978925 U CN210978925 U CN 210978925U CN 201921759395 U CN201921759395 U CN 201921759395U CN 210978925 U CN210978925 U CN 210978925U
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- pipe
- plastic
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- water supply
- sleeve
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Abstract
The utility model discloses a water supply steel plastic pipe joint in the technical field of plastic steel pipes, which comprises a main pipe fitting and a connecting pipe fitting, wherein the main pipe fitting is in threaded connection with the connecting pipe fitting, the connecting pipe fitting comprises a pipe body and an external thread pipe, a pipe sleeve is arranged between the external thread pipe and the pipe body, the pipe sleeve is arranged on the inner wall of the pipe body, two ends of the pipe sleeve are connected with the external thread pipe, the external thread pipe and the pipe sleeve are integrally formed, the connecting pipe fitting comprises a pipe shell, an extension pipe and an internal thread pipe, the internal thread pipe is arranged on the inner wall of the pipe shell, the outer wall of the extension pipe is provided with a thread groove, after the metal pipe fitting in the pipe fitting is poured, before the plastic pipe fitting in the pipe, the service life of the steel-plastic pipe joint is prolonged.
Description
Technical Field
The invention relates to the technical field of plastic steel pipes, in particular to a water supply steel-plastic pipe joint.
Background
The plastic-steel pipe joint (pneumatic plastic-steel joint) is also called plastic joint, and the material is POM. POM has better comprehensive performance, is the most rigid in thermoplastic plastics, is the closest metal in mechanical properties of plastic materials, is equivalent to steel, has very excellent tensile strength, bending strength, fatigue resistance, wear resistance and electrical property, and can be used for a long time at the temperature of-30-100 ℃.
The existing water supply steel-plastic pipe joint can cause chap on the surface and accelerate the aging of the joint due to the characteristics when in use, and the existing water supply steel-plastic pipe joint is mostly integrally formed when in manufacture, the application range is reduced, the plasticity is reduced, and the use is not favorable.
Disclosure of Invention
The invention aims to provide a water supply steel-plastic pipe joint to solve the problem that the external plastic part of the steel-plastic pipe joint in the background art is cracked after being used for a long time, so that the joint is aged.
In order to achieve the purpose, the invention provides the following technical scheme: the water supply steel-plastic pipe joint comprises a main pipe fitting and a connecting pipe fitting, wherein the main pipe fitting is in threaded connection with the connecting pipe fitting, the connecting pipe fitting comprises a pipe body and an external threaded pipe, a pipe sleeve is arranged between the external threaded pipe and the pipe body, the pipe sleeve is arranged on the inner wall of the pipe body, two ends of the pipe sleeve are connected with the external threaded pipe, the external threaded pipe and the pipe sleeve are integrally formed, and the connecting pipe fitting comprises a pipe shell, an extension pipe and an internal threaded pipe.
Preferably, a reinforcing rib is installed in the pipe shell on the connecting pipe fitting, and the reinforcing rib and the internal threaded pipe are made of the same material.
Preferably, the internal thread pipe is installed on the inner wall of the pipe shell, and the internal thread pipe penetrates through the pipe shell and is connected with the extension pipe.
Preferably, the outer wall of the extension pipe is provided with a thread groove.
Preferably, a fixing rod is arranged between the reinforcing rib and the internal thread pipe, and the fixing rod is a plastic rod.
Compared with the prior art, the invention has the beneficial effects that: through this kind of give water steel plastic pipe joint, current steel plastic pipe connects because its characteristic when using, use and to lead to the surface to produce chapping for a long time, the ageing of joint with higher speed, and current steel plastic pipe connects be integrated into one piece mostly when the preparation, its application range reduces, plasticity reduces, be unfavorable for the use, in this application document, pour the back through the metal pipe spare in inside, before the pouring of outside plastic pipe spare, add the strengthening rib to metal pipe spare, make the strengthening rib be located between the plastic tubing, when improving steel plastic pipe connects toughness, prevent that the ageing condition that causes direct metalwork to inside to produce the influence of working of plastics from taking place, improve steel plastic pipe connects's life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connecting tube of the present invention;
fig. 3 is a schematic view of the structure of the reinforcing bar of the present invention.
In the figure: 100 main pipe fittings, 110 external thread pipes, 120 connecting pipe fittings, 121 reinforcing ribs, 130 extension pipes and 140 internal thread pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the following technical scheme: a water supply steel-plastic pipe joint is used for prolonging the service life of a steel-plastic pipe and reducing external corrosion, please refer to FIGS. 1-3, and comprises a main pipe 100 and a connecting pipe 120, wherein the main pipe 100 is in threaded connection with the connecting pipe 120, the connecting pipe 120 comprises a pipe body and an external threaded pipe 110, a pipe sleeve is arranged between the external threaded pipe 110 and the pipe body, the pipe sleeve is arranged on the inner wall of the pipe body, two ends of the pipe sleeve are connected with the external threaded pipe 110, the external threaded pipe 110 and the pipe sleeve are integrally formed, the connecting pipe 120 comprises a pipe shell, an extension pipe 130 and an internal threaded pipe 140, concretely, the main pipe 100 and the connecting pipe 120 are made of the same material, the later replacement is convenient, metal pieces in the joint are made of copper, the corrosion resistance is improved, meanwhile, the pressure resistance of the connection is improved by casting forming between the pipe body and the external threaded pipe 110, and the threads between the external, the convenient threaded connection is fixed, and tube and body are the hex-angle shape, conveniently rotates, reaches fixed purpose.
Referring to fig. 3 again, the pipe shell of the connecting pipe 120 is provided with a reinforcing rib 121, the reinforcing rib 121 and the internal threaded pipe 140 are made of the same material, specifically, the reinforcing rib 121 is formed by connecting a plurality of convex blocks to the outer wall of the round pipe row metal member in a convex manner, and the convex blocks and the round pipe are integrally molded by casting.
Referring to fig. 2 again, the internal threaded tube 140 is installed on the inner wall of the tube housing, and the internal threaded tube 140 penetrates the tube housing to be connected with the extension tube 130, and in particular, the internal threaded tube and the extension tube are integrally formed, so that the connection stability and the sealing performance are improved.
Referring to fig. 2 again, the outer wall of the extension pipe 130 is formed with a screw groove, and in particular, the extension pipe 130 is used to facilitate connection with an external device.
Referring to fig. 3 again, in order to facilitate pouring, the circular tube is connected to the internal threaded tube 140 by a fixing rod, the fixing rod volatilizes when heated, so that the plastic filling performance of the circular tube and the internal threaded tube 140 is improved, and the fixing rod is installed between the reinforcing rib 121 and the internal threaded tube 140 and is a plastic rod.
In a specific use process, the device is produced by the following production steps:
the method comprises the following steps: manufacturing a mold, wherein the manufacturing mold is used for manufacturing a metal structure mold and a plastic structure mold;
step two: pouring a metal structure, wherein the metal structure is poured by pouring liquefied metal into a mold, and the poured metal structure mainly comprises a reinforcing rib 121, an external threaded pipe 110, an extension pipe 130 and an internal threaded pipe 140;
step three: after the metal structure is cooled, demolding, and pouring a plastic structure, wherein the plastic structure is formed by pouring liquefied plastic into a mold, and the poured plastic structure mainly comprises a pipe body and a pipe shell;
step four: and (3) waiting for cooling and demoulding the plastic structure, wherein the cooling and demoulding are to be carried out when the casting piece is cooled to the normal temperature.
The using method comprises the following steps:
the external threaded pipes 110 at both ends of the main pipe member 100 are connected to the internal threaded pipes 140 of the connecting pipe member 120, and raw adhesive tape is wound around the connection to achieve sealing performance, and then the extension pipes 130 of the connecting pipe member 120 are connected to an external device.
While the invention has been described with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the various embodiments of the invention disclosed may be used in any combination whatsoever without structural conflict, and the failure to exhaustively describe such combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A water supply steel-plastic pipe joint is characterized in that: the pipe fitting comprises a main pipe fitting (100) and a connecting pipe fitting (120), wherein the main pipe fitting (100) is in threaded connection with the connecting pipe fitting (120), the connecting pipe fitting (120) is composed of a pipe body and an external threaded pipe (110), a pipe sleeve is installed between the external threaded pipe (110) and the pipe body, the pipe sleeve is installed on the inner wall of the pipe body, two ends of the pipe sleeve are connected with the external threaded pipe (110), the external threaded pipe (110) and the pipe sleeve are integrally formed, and the connecting pipe fitting (120) is composed of a pipe shell, an extension pipe (130) and an internal threaded pipe (140).
2. The water supply steel-plastic pipe joint according to claim 1, characterized in that: and a reinforcing rib (121) is arranged in the pipe shell on the connecting pipe fitting (120), and the reinforcing rib (121) and the internal threaded pipe (140) are made of the same material.
3. The water supply steel-plastic pipe joint according to claim 1, characterized in that: the internal thread pipe (140) is installed on the inner wall of the pipe shell, and the internal thread pipe (140) penetrates through the pipe shell and is connected with the extension pipe (130).
4. The water supply steel-plastic pipe joint according to claim 1, characterized in that: the outer wall of the extension pipe (130) is provided with a thread groove.
5. The water supply steel-plastic pipe joint according to claim 2, characterized in that: and a fixing rod is arranged between the reinforcing rib (121) and the internal threaded pipe (140), and the fixing rod is a plastic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759395.8U CN210978925U (en) | 2019-10-18 | 2019-10-18 | Water supply steel-plastic pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759395.8U CN210978925U (en) | 2019-10-18 | 2019-10-18 | Water supply steel-plastic pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978925U true CN210978925U (en) | 2020-07-10 |
Family
ID=71421084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921759395.8U Active CN210978925U (en) | 2019-10-18 | 2019-10-18 | Water supply steel-plastic pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210978925U (en) |
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2019
- 2019-10-18 CN CN201921759395.8U patent/CN210978925U/en active Active
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