CN221592138U - Pipe joint for HDPE steel wire skeleton composite pipe - Google Patents
Pipe joint for HDPE steel wire skeleton composite pipe Download PDFInfo
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- CN221592138U CN221592138U CN202420326812.4U CN202420326812U CN221592138U CN 221592138 U CN221592138 U CN 221592138U CN 202420326812 U CN202420326812 U CN 202420326812U CN 221592138 U CN221592138 U CN 221592138U
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- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 21
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 89
- 238000003466 welding Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 11
- 238000011900 installation process Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a pipe joint for an HDPE steel wire framework composite pipe, which comprises a joint main body and a connecting flange, wherein the joint main body comprises a metal inner pipe, a metal outer pipe and a flange fastener connected with the metal inner pipe and the metal outer pipe, an annular cavity is formed between the metal inner pipe and the metal outer pipe, the flange fastener is sleeved on the metal inner pipe and connected with the metal outer pipe to form an integrated structure, the connecting flange is sleeved on the outer pipe and can move back and forth along the axial direction of the metal outer pipe towards the flange fastener, and a plurality of flange connecting holes are formed in the connecting flange. The pipe joint provided by the utility model has the advantages that the joint main body and the pipe to be connected are formed into an integrated structure through hydraulic forming, and in the installation process, the pipe joint can be directly connected by utilizing the connecting flange, so that the pipe joint is simple in integral structure, simple and quick to install, easy to implement and convenient to operate, the installation efficiency is greatly improved, and the installation and use requirements of the steel wire framework composite pipe can be met.
Description
Technical Field
The utility model relates to the technical field of pipe joint connection, in particular to a pipe joint for an HDPE steel wire framework composite pipe.
Background
The HDPE steel wire skeleton composite pipe is one composite pipe of HDPE steel wire net skeleton and plastic, and is pipe material with high density polyethylene as basic material and through continuous and fractional extrusion molding. The HDPE steel wire mesh skeleton plastic (polyethylene) composite pipe has excellent composite effect, has the advantages of the steel pipe and the plastic pipe, and is mainly characterized by good corrosion resistance, strong pressure resistance, good environmental protection, good high temperature resistance and the like, and has strong environmental adaptability. In particular to a high-pressure steel wire mesh skeleton composite pipe which has a pressure-bearing function and is a novel practical pipe, thus being widely applied to the fields of water supply and gas supply.
The existing high-pressure steel wire mesh skeleton composite pipe mainly has the problems that after being welded and heated at high temperature, the pipe is secondarily damaged, pipe bursting and water leakage are easy to occur, and in the existing numerous engineering designs, the related high-pressure steel wire mesh skeleton composite pipe and the pipe are few in high-pressure pipe fittings matched with the high-pressure steel wire mesh skeleton composite pipe in the pipe fitting market, so that the development of corresponding engineering projects is influenced. Therefore, in order to meet engineering construction requirements, the pipe joint is convenient to connect and fix, and in the installation process, the pipe joint can be directly connected and fixed without welding and heating treatment, so that the installation efficiency can be improved, and the pipe joint is provided so as to meet the use requirements.
Disclosure of utility model
The utility model aims at solving the technical problems in the background art, and provides a pipe joint, by which the pipe joint can be directly connected and fixed without welding and heating treatment in the installation process, thereby improving the installation efficiency so as to meet the use requirements, in particular to the pipe joint for the HDPE steel wire framework composite pipe.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a coupling for HDPE steel wire skeleton composite pipe, is including connecting main part and flange, connect the main part including coaxial and along radial metal inner tube and the metal outer tube that sets gradually from inside to outside to and the flange fastener that is connected with metal inner tube and metal outer tube, be formed with annular cavity between metal inner tube and the metal outer tube, the flange fastener cover is arranged in on the metal inner tube to be connected with the metal outer tube, constitute an organic whole structure, flange cover is arranged in on the outer tube, and can follow the axial of metal outer tube is moved back and forth towards flange fastener direction be equipped with a plurality of flange connecting holes on the flange, a plurality of flange connecting holes evenly distributed are in flange's circumference.
Further, by adopting the pipe joint for the HDPE steel wire framework composite pipe, the flange fastener comprises the disk body part and the connecting transition part, the disk body part is internally provided with the connecting hole corresponding to the metal inner pipe, the flange fastener is connected with the metal inner pipe through the connecting hole in the disk body part and is connected with the metal outer pipe through the connecting transition part, and an integrated structure is formed among the metal inner pipe, the metal outer pipe and the flange fastener in a welding mode; and a plurality of positioning connection holes are formed in the disc body and uniformly distributed in the circumferential direction of the disc body.
Further, by adopting the pipe joint for the HDPE steel wire framework composite pipe, the connecting end of the metal inner pipe and the flange fastener is positioned at the outer side of the metal outer pipe, and the connecting end of the metal inner pipe and the pipe to be connected is positioned in the metal outer pipe.
Further, by adopting the pipe joint for the HDPE steel wire skeleton composite pipe, the inner wall of the metal outer pipe is also provided with the annular clamping groove, the annular clamping groove is arranged along the axial direction of the metal outer pipe, and the lower side surface of the annular clamping groove and the metal inner pipe positioned in the metal outer pipe are positioned in the same plane.
Further, by adopting the pipe joint for the HDPE steel wire skeleton composite pipe, the thickness of the annular cavity is the same as the thickness of the pipe wall of the pipe to be connected, and the metal inner pipe and the metal outer pipe are in contact with the pipe to be connected and can be formed into an integrated structure by hydraulic pressure.
According to the pipe joint for the HDPE steel wire framework composite pipe, the joint main body and the pipe to be connected are formed into an integral structure through hydraulic forming, in the installation process, the pipe joint can be directly connected by using the connecting flange, welding heating treatment is not needed, the problem of secondary damage to the pipe due to high-temperature welding heating is avoided, the structural strength of the pipe joint can be effectively improved, the problem of fracture of the composite pipe at the joint of the composite pipe and the pipe joint can be avoided, and the pipe joint is convenient to install and is not easy to burst and leak. Therefore, the pipe joint has the advantages of simple integral structure, simple and quick installation, easy implementation and convenient operation, greatly improves the installation efficiency, and can meet the installation and use requirements of the steel wire framework composite pipe.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a second schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic diagram III of the structure of the present utility model;
fig. 4 is a schematic structural view of the pipe joint and the pipe body of the present utility model after hydraulic molding.
The figure shows: the connector comprises a 1-connector main body, a 11-metal inner pipe, a 12-metal outer pipe, a 13-flange fastener, a 14-annular cavity, a 15-positioning connecting hole, a 16-annular clamping groove, a 2-connecting flange, a 21-flange connecting hole and a 3-pipe body.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right" and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "connected", "provided" and "having a meaning of" connected "are to be interpreted in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It should be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
As shown in fig. 1 to 3, the pipe joint for the HDPE steel wire skeleton composite pipe according to the present embodiment includes a joint main body 1 and a connecting flange 2, where the joint main body 1 includes a metal inner pipe 11 and a metal outer pipe 12 coaxially and sequentially disposed from inside to outside in a radial direction, and a flange fastener 13 connected to the metal inner pipe 11 and the metal outer pipe 12, an annular cavity 14 is formed between the metal inner pipe 11 and the metal outer pipe 12, the thickness of the annular cavity 14 is the same as the thickness of the pipe wall of the pipe to be connected, and the metal inner pipe 11 and the metal outer pipe 12 contact with each other and can be formed into an integral structure by hydraulic molding; the flange fastener 13 is sleeved on the metal inner pipe 11 and is connected with the metal outer pipe 12 to form an integrated structure, the connecting flange 2 is sleeved on the outer pipe 12 and can move back and forth along the axial direction of the metal outer pipe 12 towards the flange fastener 13, a plurality of flange connecting holes 21 are formed in the connecting flange 2, and the plurality of flange connecting holes 21 are uniformly distributed on the connecting flange 2 along the circumferential direction of the connecting flange; the flange fastener 13 comprises a disc body part and a connection transition part, wherein a connection hole corresponding to the metal inner tube 11 is formed in the disc body part, the flange fastener 13 is connected with the metal inner tube 11 through the connection hole in the disc body part and is connected with the metal outer tube 12 through the connection transition part, and an integrated structure is formed among the metal inner tube 11, the metal outer tube 12 and the flange fastener 13 in a welding mode; and a plurality of positioning connection holes 15 are arranged on the tray body, and the positioning connection holes 15 are uniformly distributed on the tray body along the circumferential direction.
Further, with the pipe joint according to the present embodiment, the connection end of the metal inner pipe 11 and the flange fastener 13 is located at the outer side of the metal outer pipe 12, and the connection end of the metal inner pipe and the pipe to be connected is located inside the metal outer pipe 12. In the manufacturing process, the metal inner pipe 11 is sleeved in the inner cavity of the pipe joint and is contacted with the inner wall surface of the pipe joint, the metal outer pipe 12 is sleeved on the pipe joint and is contacted with the outer wall surface of the pipe joint, and finally, the hydraulic equipment and the pipe joint are formed into an integrated structure.
Example 2
In this embodiment, in order to achieve a better sealing contact effect between the outer wall surface of the pipe joint and the metal outer pipe 12 in the hydroforming process on the basis of embodiment 1, an annular clamping groove 16 is further provided on the inner wall of the metal outer pipe 12, the annular clamping groove 16 is arranged along the axial direction of the metal outer pipe 12, and the lower side surface of the annular clamping groove 16 is in the same plane with the metal inner pipe 11 located in the metal outer pipe 12. Through the annular clamping groove 16 arranged on the inner wall surface of the metal outer pipe 12, the outer wall surface of the pipe joint can be formed into an integrated structure with the inner wall surface of the metal outer pipe 12 by utilizing hydraulic forming treatment, the purpose of fixed connection is achieved, and the problem of falling off and loosening in the installation and use processes is avoided.
As shown in fig. 4, in the specific installation process, since the connecting flange 2 is sleeved on the metal outer tube 12 in advance, and the joint main body 1 and the pipe to be connected are formed into an integral structure through hydraulic forming, in the installation process, the two pipe fittings 3 can be directly connected by using the connecting flange 2 without welding and heating treatment, so that the problem of secondary damage to the pipe fitting caused by high-temperature welding and heating is avoided, the structural strength of the pipe fitting can be effectively improved, the problem of fracture of the composite pipe at the joint of the composite pipe and the pipe fitting can be avoided, and the pipe fitting is convenient to install and difficult to cause the condition of explosion and water leakage through the configured pipe fitting.
In summary, the pipe joint provided by the utility model has the advantages of simple integral structure, simplicity and rapidness in installation, easiness in implementation and simplicity and convenience in operation, greatly improves the installation efficiency, and can meet the installation and use requirements of the steel wire framework composite pipe.
Other aspects of the utility model are not specifically described and are well known to those skilled in the art.
The protection scope of the present utility model is not limited to the technical solutions disclosed in the specific embodiments, but the above description is only a preferred embodiment of the present utility model, and is not limited to the present utility model, and any minor modifications, equivalent substitutions and improvements made according to the technical solutions of the present utility model should be included in the protection scope of the technical solutions of the present utility model.
Claims (5)
1. A coupling for HDPE steel wire skeleton composite pipe, its characterized in that: including joint main part (1) and flange (2), joint main part (1) are including coaxial and along radial metal inner tube (11) and metal outer tube (12) that set gradually from inside to outside to and be connected with metal inner tube (11) and metal outer tube (12) flange fastener (13), be formed with annular cavity (14) between metal inner tube (11) and metal outer tube (12), flange fastener (13) cover are arranged in on metal inner tube (11) to be connected with metal outer tube (12), constitute integrated structure, flange (2) cover is arranged in on outer tube (12), and can follow the axial of metal outer tube (12) is moved back and forth towards flange fastener (13) direction be equipped with a plurality of flange connecting holes (21) on flange (2), a plurality of flange connecting holes (21) evenly distributed in the circumference of flange (2).
2. A pipe joint for HDPE wire skeleton composite pipe as claimed in claim 1, wherein: the flange fastener (13) comprises a disc body part and a connection transition part, wherein a connection hole corresponding to the metal inner tube (11) is formed in the disc body part, the flange fastener (13) is connected with the metal inner tube (11) through the connection hole in the disc body part and is connected with the metal outer tube (12) through the connection transition part, and an integrated structure is formed among the metal inner tube (11), the metal outer tube (12) and the flange fastener (13) in a welding mode; and a plurality of positioning connection holes (15) are formed in the disc body, and the positioning connection holes (15) are uniformly distributed in the circumferential direction of the disc body.
3. A pipe joint for HDPE wire skeleton composite pipe as claimed in claim 2, wherein: the connecting end of the metal inner pipe (11) and the flange fastener (13) is positioned at the outer side of the metal outer pipe (12), and the connecting end of the metal inner pipe and the pipe to be connected is positioned in the metal outer pipe (12).
4. A pipe joint for HDPE wire skeleton composite pipe as claimed in claim 3, wherein: the inner wall of the metal outer tube (12) is also provided with an annular clamping groove (16), the annular clamping groove (16) is arranged along the axial direction of the metal outer tube (12), and the lower side surface of the annular clamping groove (16) and the metal inner tube (11) positioned in the metal outer tube (12) are positioned in the same plane.
5. A pipe joint for HDPE wire skeleton composite pipe as claimed in claim 4, wherein: the thickness of the annular cavity (14) is the same as the thickness of the pipe wall of the pipe to be connected, and the metal inner pipe (11) and the metal outer pipe (12) are in contact with the pipe to be connected and can be formed into an integrated structure through hydraulic forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420326812.4U CN221592138U (en) | 2024-02-22 | 2024-02-22 | Pipe joint for HDPE steel wire skeleton composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420326812.4U CN221592138U (en) | 2024-02-22 | 2024-02-22 | Pipe joint for HDPE steel wire skeleton composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221592138U true CN221592138U (en) | 2024-08-23 |
Family
ID=92417835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420326812.4U Active CN221592138U (en) | 2024-02-22 | 2024-02-22 | Pipe joint for HDPE steel wire skeleton composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221592138U (en) |
-
2024
- 2024-02-22 CN CN202420326812.4U patent/CN221592138U/en active Active
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| GR01 | Patent grant |