CN210739596U - Metal plastic composite pipe with end part provided with reinforced sealing mechanism - Google Patents
Metal plastic composite pipe with end part provided with reinforced sealing mechanism Download PDFInfo
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- CN210739596U CN210739596U CN201921190443.6U CN201921190443U CN210739596U CN 210739596 U CN210739596 U CN 210739596U CN 201921190443 U CN201921190443 U CN 201921190443U CN 210739596 U CN210739596 U CN 210739596U
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Abstract
The metal plastic composite pipe with the end part provided with the reinforced sealing mechanism comprises a metal plastic composite pipe body, wherein the two ends of the metal plastic composite pipe body are provided with the sealed reinforcing mechanisms. The utility model discloses still include the manufacturing approach of metal plastic composite pipe. The utility model discloses stopped metal plastic composite pipe terminal surface and water contact, ensured that metal plastic composite pipe not layering, does not ftracture under the long-term circumstances of leading to water.
Description
Technical Field
The utility model relates to a metal plastic composite pipe especially relates to a tip is equipped with reinforced sealing mechanism's metal plastic composite pipe.
Background
The metal plastic composite pipe has the characteristics of good mechanical property, sanitation, environmental protection, high water delivery efficiency, low operation cost and the like, and has the advantages of the metal pipe and the plastic pipe, so the metal plastic composite pipe is widely applied to the fields of water supply, drainage, pollution discharge, chemical industry and the like.
CN109237146A discloses an embedded end-reinforced ring metal plastic composite pipe and a manufacturing method thereof in 2019, month 01 and 18, wherein the embedded end-reinforced ring metal plastic composite pipe comprises a metal plastic composite pipe body, two ends of the metal plastic composite pipe body are respectively provided with an embedded reinforced ring, one end of the embedded reinforced ring is provided with a flange, and the flange is tightly attached to the end of the metal plastic composite pipe body; salient points are arranged on the outer surface of the embedded reinforcing ring. Although the reinforcing ring is firmly installed after the embedded end reinforcing ring metal plastic composite pipe is manufactured, the embedded end reinforcing ring metal plastic composite pipe is not easy to deform, shift and fall off, the separation speed of the metal plastic composite pipe from a plastic layer in a water-through environment is relieved, and the metal plastic composite pipe is protected to a certain extent. However, practice shows that, under a long-term water-flowing environment, because a part of the end surface of the metal plastic composite pipe is still soaked in water, on one hand, the metal pipe can be corroded into the pipe slowly from the end surface, so that the inner wall of the metal pipe and a plastic layer can be layered slowly, on the other hand, hot melt adhesive adopted by the metal plastic composite pipe can react with water at the end surface to remove the bonding property, and the influence gradually pushes the metal and the plastic into the pipe to cause the metal and the plastic to be layered slowly. Through lengthy separation process, at the pipe network operation later stage, the plastics inside lining probably takes place to drop, leads to the pipeline to block up, influences the logical water, especially when being applied to running water and carrying, and the metal pipe of corrosion and water direct contact will seriously influence water supply quality of water.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: overcomes the defects of the prior metal plastic composite pipe and provides the metal plastic composite pipe with the end part provided with the reinforced sealing mechanism.
The utility model provides a technical scheme that its technical problem adopted is: the metal plastic composite pipe with the end part provided with the reinforced sealing mechanism comprises a metal plastic composite pipe body, wherein the reinforced sealing mechanisms are arranged at two ends of the metal plastic composite pipe body.
The metal plastic composite pipe with the end part provided with the reinforced sealing mechanism can be simply called as the end part reinforced sealing metal plastic composite pipe.
Further, the reinforced sealing mechanism comprises a metal reinforced ring and a sealing ring.
Furthermore, the metal reinforcing ring comprises a metal reinforcing ring main body and a flanging, wherein embossing is arranged on the outer wall of the metal reinforcing ring main body, and the flanging is located at the outer end of the metal reinforcing ring main body.
Furthermore, the section of the flanging of the metal reinforcing ring is perpendicular to the straight edge of the section of the main body of the metal reinforcing ring, or is a flanging, one side of which is perpendicular to the section of the main body of the metal reinforcing ring.
Further, the width of the metal reinforcing ring main body is more than or equal to 10 mm.
Further, the thickness of the metal reinforced ring main body is more than or equal to 0.5 mm.
Further, the height of the flanging at the outer end of the metal reinforcing ring is consistent with the wall thickness of the end face of the metal plastic composite pipe, or the flanging wraps the outer wall of the end part of the metal plastic composite pipe.
Furthermore, the sealing ring is sleeved on the outer wall of the metal reinforcing ring main body and clings to the flanging position of the outer end of the metal reinforcing ring.
Further, the metal reinforcing ring is a stainless steel reinforcing ring.
Further, the sealing ring is a rubber sealing ring.
Further, the cross section of the rubber sealing ring is in a circular shape, a rectangular shape, a trapezoidal shape or other shapes.
Further, the metal plastic composite pipe is a straight pipe, a clamp type or a socket type pipeline.
Compared with the prior art, the beneficial effects of the utility model are that: 1) the metal plastic composite pipe of the utility model can avoid the contact of metal and water under the water environment where the metal and the plastic on the end surface of the metal plastic composite pipe are combined, thus solving the problem of the layering inside and outside the metal pipe caused by metal corrosion under the long-term water environment of the metal plastic composite pipe; 2) the technical proposal of the utility model that the sealing ring adopted by the metal plastic composite pipe seals the end part of the metal plastic composite pipe eliminates the contact between the hot melt adhesive layer on the end surface of the metal plastic composite pipe and water, and solves the problem that the inner wall of the metal pipe and the plastic lining are peeled and layered due to the slow loss of the adhesive property caused by the contact between the hot melt adhesive and the water under the long-term water environment of the metal plastic composite pipe; 3) the technical proposal of the metal plastic composite pipe provided with the sealing ring for sealing the end part of the metal plastic composite pipe solves the problem of water pollution caused by corrosion of the end surface of the pipe, and further improves the sanitary performance of the metal plastic composite pipe; 4) the outer wall of the metal reinforced ring body adopted by the utility model is provided with the embossing technical scheme, so that the friction force between the outer wall of the metal reinforced ring body and the inner wall of the metal plastic composite pipe is increased, and the installation of the metal plastic composite pipe port reinforced end face sealing device is firmer; 5) the manufacturing method of the metal plastic composite pipe has simple process, uncomplicated equipment and low production cost, and is suitable for flow line production; 6) the technical scheme of expanding the ring first and then extruding is simple to operate and firm in sealing, and the technical problem that sealing is influenced by extrusion when the sealing ring is extruded is solved; 7) the technical proposal of the metal plastic composite pipe provided with the sealing ring for sealing the end part of the metal plastic composite pipe stops the contact between water and the end part of the metal pipe, the metal pipe can not be rusted, and the service life of the metal plastic composite pipe is prolonged; 8) the utility model discloses the preparation method of metal plastic composite pipe, adopt and pass through the turn-ups of metal reinforcing ring radial intraductal extrusion to the extruder, make sealing washer extrusion deformation, the technical scheme of the outer wall of metal plastic composite pipe tip is tightly wrapped up to inside extrusion messenger metal reinforcing ring to the rethread ring, when making the sealing washer hug closely metal plastic composite pipe terminal surface through extrusion deformation back, still wrap up it in the metal reinforcing ring, so not only improved the life of sealing washer, simultaneously can also prevent that the sealing washer is in pipeline transport, hoist and mount, can not extruded or damage under the circumstances such as installation, more can ensure the sealing performance safe and reliable of sealing washer.
Drawings
Fig. 1 is a schematic structural view of a socket type nodular cast iron pipe with an end sealing reinforced lining plastic pipe in embodiment 1 of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
fig. 3 is a schematic structural view of the embodiment 1 of the present invention after the sealing ring is pressed;
FIG. 4 is a schematic structural view of another embodiment of example 1 of the present invention;
FIG. 5 is a schematic structural view of a straight pipe type plastic lined steel pipe with reinforced end seal according to embodiment 2 of the present invention;
FIG. 6 is an enlarged view of the point B in FIG. 4;
fig. 7 is a schematic structural view of the embodiment 2 of the present invention after the sealing ring is pressed;
fig. 8 is a schematic structural view of another embodiment of example 2 of the present invention;
fig. 9 is a schematic structural view of an end seal reinforced straight pipe type plastic lined steel pipe according to embodiment 3 of the present invention;
fig. 10 is a schematic structural view of an end seal reinforcing clamp type plastic-lined steel pipe according to embodiment 4 of the present invention;
fig. 11 is a schematic structural view of an end seal reinforcing clamp type plastic-lined steel pipe according to embodiment 5 of the present invention.
In the figure, 1-1 of a metal plastic composite pipe body, 2 of a clamp groove, 2 of a seal reinforcing mechanism, 2-1 of a metal reinforcing ring, 2-2 of a sealing ring, 2-1-1 of a metal reinforcing ring main body, 2-1-2 of a flanging.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
Referring to the attached fig. 1-4, the metal plastic composite pipe is a socket type nodular cast iron pipe with a plastic lining pipe in the embodiment, the embodiment comprises a socket type nodular cast iron pipe body 1 with a plastic lining pipe and a reinforced sealing mechanism 2, and the reinforced sealing mechanism 2 is arranged at two ends of the socket type nodular cast iron pipe body 1 with a plastic lining pipe.
In this embodiment, the end-reinforcing sealing mechanism 2 includes a stainless steel reinforcing ring 2-1 and a rubber seal ring 2-2 having a circular cross section.
In this embodiment, the stainless steel reinforced ring 2-1 includes a stainless steel reinforced ring main body 2-1-1 and a flange 2-1-2, the outer wall of the stainless steel reinforced ring main body 2-1-1 is provided with embossments, which can increase the friction between the metal reinforced ring and the inner wall of the metal plastic composite pipe, so that the reinforced ring is more stably installed, and the flange 2-1-2 is located at the outer end of the stainless steel reinforced ring main body 2-1-1.
In this embodiment, the stainless steel reinforced ring body 2-1-1 has a width of 50mm and a thickness of 1 mm.
In this embodiment, the cross section of the flange 2-1-2 of the metal reinforcing ring 2-1 is perpendicular to the straight edge of the cross section of the metal reinforcing ring main body 2-1-1, and the two form an "L" shape.
In the embodiment, the height of the flanging 2-1-2 at the outer end of the stainless steel reinforcing ring is consistent with the wall thickness of the socket type nodular cast iron pipe body 1 with the plastic lining pipe.
In the embodiment, the rubber sealing ring 2-2 is sleeved on the outer wall of the stainless steel reinforced ring main body 2-1-1 and clings to the flanging 2-1-2 at the outer end of the stainless steel reinforced ring.
In this embodiment, the manufacturing method of the socket-type nodular cast iron pipe with the end-sealed reinforced plastic lining pipe comprises the following steps:
1. manufacturing a socket joint type nodular cast iron pipe 1 with a plastic lining pipe on line;
2. measuring the inner diameter of a socket type nodular cast iron pipe 1 of a lining plastic pipe, calculating the circumference of a stainless steel reinforcing ring 2-1 which is 1.5mm smaller than the inner diameter of the socket type nodular cast iron pipe 1 of the lining plastic pipe, cutting a stainless steel band by taking the calculated circumference as the length, wherein the width of the stainless steel band is 55mm, and the thickness of the stainless steel band is 1 mm;
3. embossing, flanging and rolling the cut stainless steel band by a flanging and rolling machine to form a stainless steel reinforced ring 2-1;
4. welding the interface of the stainless steel reinforcing ring 2-1, and polishing a welding seam;
5. sleeving the rubber sealing ring 2-2 on the stainless steel reinforced ring 2-1, and tightly attaching the rubber sealing ring to the flanging 2-1-2 at the outer end of the stainless steel reinforced ring 2-1 to complete the manufacture of the end reinforced sealing mechanism 2;
6. sleeving the end part reinforcing and sealing mechanism 2 in the pipe orifice at the end part of the liner plastic pipe spigot-and-socket nodular cast iron pipe 1, and pressing the stainless steel reinforcing ring 2-1 on the inner wall of the liner plastic pipe spigot-and-socket nodular cast iron pipe 1 through an expansion ring of pipe expansion equipment;
7. finally, the stainless steel reinforcing ring 2-1 is longitudinally extruded to the inside of the plastic pipe socket type nodular cast iron pipe 1 by the flanging at the outer end of the stainless steel reinforcing ring 2-1 which is propped against by an extrusion equipment die, and the manufacturing of the plastic pipe socket type nodular cast iron pipe with the end sealing and reinforcing lining is finished.
In this embodiment, the cross section of the flange of the metal reinforcing ring may also be a flange perpendicular to the cross section of the main body of the metal reinforcing ring, and the two may form a U-like shape. Namely, the stainless steel reinforcing ring 2-1 of the end reinforcing and sealing mechanism 2 is a structure wrapping the outer wall of the end of the socket type nodular cast iron pipe 1 with the plastic lining pipe, as shown in fig. 4.
Example 2
Referring to fig. 5-8, the metal plastic composite pipe is a straight pipe type plastic lined steel pipe in this embodiment, and the embodiment includes a plastic lined steel pipe body 1 and end portion reinforcing sealing mechanisms 2, wherein the end portion reinforcing sealing mechanisms 2 are arranged at two ends of the plastic lined steel pipe body 1.
In this embodiment, the end-reinforcing sealing mechanism 2 includes a stainless steel reinforcing ring 2-1 and a rubber seal ring 2-2 having a circular cross section.
In the embodiment, the stainless steel reinforced ring 2-1 comprises a stainless steel reinforced ring main body 2-1-1 and a flanging 2-1-2, wherein the outer wall of the main body 2-1-1 is provided with embossing, and the flanging 2-1-2 is positioned at the outer end of the main body 2-1-1. The rubber sealing ring 2-2 is sleeved on the outer wall of the stainless steel reinforced ring main body 2-1-1 and clings to the flanging 2-1-2 at the outer end of the stainless steel reinforced ring.
In this embodiment, the stainless steel reinforced ring body 2-1-1 has a width of 50mm and a thickness of 1 mm.
In the embodiment, the flanging 2-1-2 at the outer end of the stainless steel reinforcing ring is of a flanging structure, and the height of the flanging is slightly higher than the wall thickness of the plastic-lined steel pipe body 1.
In this embodiment, the section of the flange 2-1-2 of the metal reinforcing ring 2-1 is perpendicular to the straight edge of the section of the metal reinforcing ring main body 2-1-1.
In the embodiment, the rubber sealing ring 2-2 is sleeved on the outer wall of the stainless steel reinforced ring main body 2-1-1 and clings to the flanging 2-1-2 at the outer end of the stainless steel reinforced ring.
The manufacturing method of the end seal reinforced plastic-lined steel pipe body comprises the following steps:
1. manufacturing a plastic-lined steel pipe body 1 on line;
2. measuring the inner diameter of a plastic-lined steel pipe body 1, calculating the circumference of a stainless steel reinforcing ring 2-1 which is 1.5mm smaller than the inner diameter of the plastic-lined steel pipe body 1, cutting a stainless steel band by taking the calculated circumference as the length, wherein the width of the stainless steel band is 65mm, and the thickness of the stainless steel band is 1 mm;
3. embossing, flanging and rolling the cut stainless steel band by a flanging and rolling machine, wherein the stainless steel reinforcing ring is 2-1;
4. welding the interface of the stainless steel reinforcing ring 2-1 well, and polishing a welding seam;
5. sleeving the rubber sealing ring 2-2 on the stainless steel reinforced ring 2-1, and tightly attaching the rubber sealing ring to the flanging 2-1-2 at the outer end of the stainless steel reinforced ring 2-1 to complete the manufacture of the end reinforced sealing mechanism 2;
6. sleeving the end part reinforcing and sealing mechanism 2 in the end part of the plastic-lined steel pipe body 1, and pressing the stainless steel reinforcing ring 2-1 to the inner wall of the plastic-lined steel pipe body 1 through a pipe expanding device expanding ring;
7. the stainless steel reinforced ring 2-1 is longitudinally extruded into the plastic-lined steel pipe body 1 by the extrusion equipment die against the flanging at the outer end of the stainless steel reinforced ring 2-1, so that the rubber sealing ring 2-2 is extruded and deformed;
in this embodiment, the cross section of the flange of the metal reinforcing ring may also be a flange perpendicular to the cross section of the main body of the metal reinforcing ring, and the two may form a U-like shape. Namely, the stainless steel reinforcing ring 2-1 of the end reinforcing and sealing mechanism 2 is a structure wrapping the outer wall of the end of the plastic lined steel pipe body 1, as shown in fig. 8. And (3) extruding the mould ring of the extrusion equipment inwards to enable the stainless steel reinforcing ring 2-1 to be tightly attached to the outer wall of the end part of the plastic-lined steel pipe body 1, thus finishing the manufacture of the end part sealing reinforced plastic-lined steel pipe body 1.
Example 3
In this embodiment, as shown in fig. 9, the outer wall of the flange of the metal reinforcing ring 2-1 is flush with the outer wall of the plastic-lined steel pipe body 1.
The same as in example 2.
Example 4
As shown in fig. 10, the metal plastic composite pipe is a hoop type plastic-lined steel pipe in this embodiment, a hoop groove 1-1 is provided at a position close to a port of the plastic-lined steel pipe body 1, and when two sections of hoop type plastic-lined steel pipes are connected, the hoop can be clamped in the hoop groove for fastening.
The same as in example 2.
Example 5
In this embodiment, as shown in fig. 11, in the embodiment, a clamp groove 1-1 is provided at a position close to a port of a plastic-lined steel pipe body 1, and an outer wall of a flange of a metal reinforcing ring 2-1 is flush with an outer wall of the plastic-lined steel pipe body 1.
The same as in example 3.
Claims (18)
1. The tip is equipped with the metal plastic composite pipe of reinforcing sealing mechanism, its characterized in that: the pipe comprises a metal plastic composite pipe body, wherein two ends of the metal plastic composite pipe body are provided with a sealing enhancement mechanism; the seal reinforcing mechanism comprises a metal reinforcing ring and a sealing ring.
2. The metal-plastic composite pipe with the reinforced sealing mechanism at the end part according to claim 1, wherein: the metal reinforcing ring comprises a metal reinforcing ring main body and a flanging, knurling is arranged on the outer wall of the metal reinforcing ring main body, and the flanging is located at the outer end of the metal reinforcing ring main body.
3. The metal plastic composite pipe with the reinforced sealing mechanism at the end part according to claim 2, wherein: the section of the flanging of the metal reinforcing ring is perpendicular to the straight edge of the section of the main body of the metal reinforcing ring, or the flanging of which one edge is perpendicular to the section of the main body of the metal reinforcing ring.
4. The metal plastic composite pipe with the end provided with the reinforced sealing mechanism according to claim 2 or 3, wherein: the width of the metal reinforcing ring main body is larger than or equal to 10mm, and the thickness of the metal reinforcing ring main body is larger than or equal to 0.5 mm.
5. The metal plastic composite pipe with the end part provided with the reinforced sealing mechanism according to claim 2 or 3, wherein the height of the flanging at the outer end of the metal reinforced ring is consistent with the wall thickness of the end face of the metal plastic composite pipe, or the flanging wraps the outer wall of the end part of the metal plastic composite pipe.
6. The metal plastic composite pipe with the end part provided with the reinforced sealing mechanism according to claim 4, wherein the height of the flanging at the outer end of the metal reinforced ring is consistent with the wall thickness of the end face of the metal plastic composite pipe, or the flanging wraps the outer wall of the end part of the metal plastic composite pipe.
7. The metal plastic composite pipe with the end provided with the enhanced sealing mechanism according to claim 2, 3 or 6, wherein the sealing ring is sleeved on the outer wall of the metal enhanced ring main body and clings to a flanging at the outer end of the metal enhanced ring.
8. The metal plastic composite pipe with the reinforced sealing mechanism at the end part as claimed in claim 4, wherein the sealing ring is sleeved on the outer wall of the metal reinforced ring main body and clings to the flanging at the outer end of the metal reinforced ring.
9. The metal plastic composite pipe with the reinforced sealing mechanism at the end part according to claim 5 is characterized in that the sealing ring is sleeved on the outer wall of the metal reinforced ring main body and is tightly attached to the flanging at the outer end of the metal reinforced ring.
10. The metal plastic composite pipe with the end provided with the reinforced sealing mechanism according to claim 1, 2, 3 or 6, wherein the sealing ring is a rubber sealing ring; the cross section of the rubber sealing ring is circular, rectangular or trapezoidal.
11. The metal-plastic composite pipe with the reinforced sealing mechanism at the end part as claimed in claim 4, wherein the sealing ring is a rubber sealing ring; the cross section of the rubber sealing ring is circular, rectangular or trapezoidal.
12. The metal-plastic composite pipe with the reinforced sealing mechanism at the end part as claimed in claim 5, wherein the sealing ring is a rubber sealing ring; the cross section of the rubber sealing ring is circular, rectangular or trapezoidal.
13. The metal-plastic composite pipe with the reinforced sealing mechanism at the end part as claimed in claim 7, wherein the sealing ring is a rubber sealing ring; the cross section of the rubber sealing ring is circular, rectangular or trapezoidal.
14. The metal plastic composite pipe with the end provided with the reinforced sealing mechanism according to claim 1, 2, 3 or 6, wherein: the metal plastic composite pipe is a straight pipe, a clamp type or a socket type pipeline.
15. The metal plastic composite pipe with the end provided with the reinforced sealing mechanism according to claim 4, wherein: the metal plastic composite pipe is a straight pipe, a clamp type or a socket type pipeline.
16. The metal-plastic composite pipe with the end provided with the reinforced sealing mechanism according to claim 5, wherein: the metal plastic composite pipe is a straight pipe, a clamp type or a socket type pipeline.
17. The metal-plastic composite pipe with the reinforced sealing mechanism at the end part according to claim 7, wherein: the metal plastic composite pipe is a straight pipe, a clamp type or a socket type pipeline.
18. The metal-plastic composite pipe with an end provided with a reinforced sealing mechanism according to claim 10, wherein: the metal plastic composite pipe is a straight pipe, a clamp type or a socket type pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190443.6U CN210739596U (en) | 2019-07-26 | 2019-07-26 | Metal plastic composite pipe with end part provided with reinforced sealing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190443.6U CN210739596U (en) | 2019-07-26 | 2019-07-26 | Metal plastic composite pipe with end part provided with reinforced sealing mechanism |
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| CN210739596U true CN210739596U (en) | 2020-06-12 |
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| CN201921190443.6U Active CN210739596U (en) | 2019-07-26 | 2019-07-26 | Metal plastic composite pipe with end part provided with reinforced sealing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274099A (en) * | 2019-07-26 | 2019-09-24 | 湖南振辉管业有限公司 | End is equipped with the composite metal-plastic pipe and its manufacturing method of enhancing sealing mechanism |
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2019
- 2019-07-26 CN CN201921190443.6U patent/CN210739596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274099A (en) * | 2019-07-26 | 2019-09-24 | 湖南振辉管业有限公司 | End is equipped with the composite metal-plastic pipe and its manufacturing method of enhancing sealing mechanism |
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