CN210128141U - Steel-plastic composite pipe with internal and external spraying - Google Patents
Steel-plastic composite pipe with internal and external spraying Download PDFInfo
- Publication number
- CN210128141U CN210128141U CN201920734318.0U CN201920734318U CN210128141U CN 210128141 U CN210128141 U CN 210128141U CN 201920734318 U CN201920734318 U CN 201920734318U CN 210128141 U CN210128141 U CN 210128141U
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- Prior art keywords
- steel
- plastic composite
- composite pipe
- flange
- clamping piece
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- Expired - Fee Related
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- 239000002131 composite material Substances 0.000 title claims abstract description 55
- 229920003023 plastic Polymers 0.000 title claims abstract description 53
- 239000004033 plastic Substances 0.000 title claims abstract description 53
- 238000005507 spraying Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000011241 protective layer Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 19
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a compound pipe is moulded to steel of inside and outside spraying, mould compound pipe body and two flange including the steel, two flange fixed connection respectively are at the both ends of compound pipe body are moulded to the steel, and whole subassembly is moulded compound pipe body and a plurality of block mechanism by a plurality of steel and is connected and form, and compound pipe body is moulded to steel comprises seamless steel pipe, two bond lines and two protective layers. The utility model discloses a block mechanism is connected fixedly to two adjacent steel-plastic composite pipe bodies, seal groove and sealed rubber ring and spacing groove on with two flange during the concatenation are aimed at each other, again with first fastener and second fastener block, then through rotatory flange bolt, screw up flange bolt and movable nut and just can let two adjacent steel-plastic composite pipe body coupling fixed, only need during the connection screw a bolt can, can effectual saving concatenation time, and then can effectual improvement holistic installation effectiveness.
Description
Technical Field
The utility model relates to a composite pipe specifically is a steel-plastic composite pipe of inside and outside spraying.
Background
The steel-plastic composite pipe is produced by using seamless steel pipe and welded steel pipe as base pipe and coating inner wall with high adhesion, anticorrosive and food-level sanitary polyethylene powder paint. The water supply galvanized internal plastic coating composite steel pipe is prepared by adopting the processes of pretreatment, preheating, internal coating, leveling and post-treatment.
At present, the compound pipe is moulded to current steel generally adopts a plurality of bolt group, connects fixedly through a plurality of through-hole on two adjacent ring flanges, and this kind of connected mode need be screwed up with bolt group more, can consume more time during the equipment, and then can influence holistic installation effectiveness. Therefore, we improve the above and propose a steel-plastic composite pipe with internal and external spraying.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to an internally and externally sprayed steel-plastic composite pipe, which comprises a steel-plastic composite pipe body and two connecting flanges, wherein the two connecting flanges are respectively and fixedly connected at two ends of the steel-plastic composite pipe body, the whole assembly is formed by connecting a plurality of steel-plastic composite pipe bodies and a plurality of clamping mechanisms, the steel-plastic composite pipe body consists of a seamless steel pipe, two bonding layers and two protective layers, the two protective layers are respectively and fixedly connected at the inner surface and the outer surface of the seamless steel pipe through the two bonding layers, one end of one connecting flange is provided with a sealing groove, the other end of the connecting flange is fixedly provided with a sealing rubber ring, the sealing groove and the sealing rubber ring are arranged in a matching way, the clamping mechanism is clamped at the joint of the two adjacent steel-plastic composite pipe bodies, the clamping mechanism comprises a first clamping piece and a second clamping piece, one end of the first clamping piece and one end of the second clamping piece are, the both sides of the first fastener surface other end all are fixed and are equipped with first fixed block, two be provided with movable nut between the first fixed block, movable nut's both ends are pegged graft with two first fixed block rotations respectively, the both sides of the second fastener surface other end all are fixed and are equipped with the second fixed block, two be provided with the flange bolt between the second fixed block, the bottom of flange bolt and movable nut's middle part threaded connection, two the top of the relative one side of second fixed block all is seted up flutedly, the flange and the recess block of flange bolt are connected.
As an optimized technical scheme of the utility model, the bond line adopts epoxy to make, just the inside of bond line covers there is the nylon wire.
As an optimized technical solution of the present invention, the protective layer is made of one of cross-linked polyethylene and high-density polyethylene, and the protective layer is specifically made of high-density polyethylene.
As a preferred technical scheme of the utility model, first fastener and second fastener all are the semicircle ring-type, just the cross-section of the interior arc surface of first fastener and second fastener is the U type.
As the utility model discloses an optimized technical scheme, two on the same steel-plastic composite pipe body one side that flange is relative is the sphere form, just the thickness of flange outward flange is less than the thickness of inward flange, the both sides of first fastener and second fastener inner chamber set up with flange's side phase-match.
As a preferred technical scheme of the utility model, the spacing groove has all been seted up to flange's top and bottom, the middle part of first fastener and second fastener inner chamber is all fixed and is equipped with the stopper, spacing groove and stopper phase-match set up.
The utility model has the advantages that: this kind of compound pipe is moulded to steel of inside and outside spraying, it is fixed to connect two adjacent compound pipe bodies are moulded to steel through block mechanism, align seal groove and sealing rubber ring and spacing groove on two flange during the concatenation each other, again with first fastener and second fastener block joint, then through the rotating flange bolt, it just can let two adjacent compound pipe body coupling of moulding to screw up flange bolt and movable nut, only need during the connection screw a bolt can, can effectually practice thrift the concatenation time, and then can effectual improvement holistic installation effectiveness.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of an internally and externally sprayed steel-plastic composite pipe of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the steel-plastic composite pipe body of the steel-plastic composite pipe with internal and external spraying according to the present invention;
FIG. 3 is a schematic cross-sectional view of the joint of two steel-plastic composite pipes of the steel-plastic composite pipe with internal and external spraying according to the present invention;
FIG. 4 is a schematic cross-sectional view of the steel-plastic composite pipe body of the steel-plastic composite pipe with internal and external spraying according to the present invention;
fig. 5 is a schematic view of the cross-sectional structure of the flange bolt of the steel-plastic composite pipe with internal and external spraying of the present invention.
In the figure: 1. a steel-plastic composite pipe body; 101. seamless steel pipes; 102. an adhesive layer; 103. a protective layer; 2. a connecting flange; 3. a sealing groove; 4. sealing the rubber ring; 5. a first engaging member; 6. a second engaging member; 7. a first fixed block; 8. a movable nut; 9. a second fixed block; 10. a flange bolt; 11. a limiting groove; 12. and a limiting block.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the steel-plastic composite pipe with internal and external spraying according to the present invention comprises a steel-plastic composite pipe body 1 and two connecting flanges 2, wherein the two connecting flanges 2 are respectively fixedly connected to two ends of the steel-plastic composite pipe body 1, the whole assembly is formed by connecting a plurality of steel-plastic composite pipe bodies 1 and a plurality of clamping mechanisms, the steel-plastic composite pipe body 1 is composed of a seamless steel pipe 101, two bonding layers 102 and two protective layers 103, the two protective layers 103 are respectively fixedly connected to the inner surface and the outer surface of the seamless steel pipe 101 through the two bonding layers 102, one end of one connecting flange 2 is provided with a sealing groove 3, one end of the other connecting flange 2 is fixedly provided with a sealing rubber ring 4, the sealing groove 3 and the sealing rubber ring 4 are arranged in a matching manner, the clamping mechanisms are clamped at the joint of, block mechanism includes first fastener 5 and second fastener 6, the one end of first fastener 5 and second fastener 6 is passed through the hinge and is articulated, the both sides of the 5 surface other ends of first fastener are all fixed and are equipped with first fixed block 7, be provided with movable nut 8 between two first fixed blocks 7, movable nut 8's both ends are pegged graft with two first fixed block 7 rotations respectively, the both sides of the 6 surface other ends of second fastener are all fixed and are equipped with second fixed block 9, be provided with flange bolt 10 between two second fixed blocks 9, the bottom of flange bolt 10 and movable nut 8's middle part threaded connection, the top of the relative one side of two second fixed blocks 9 all is seted up flutedly, flange and the recess block of flange bolt 10 are connected.
The adhesive layer 102 is made of epoxy resin, the nylon net covers the inside of the adhesive layer 102, the epoxy resin has high adhesive performance, and meanwhile the nylon net covers the inside of the adhesive layer 102, so that the adhesive performance of the epoxy resin can be effectively improved.
The protective layer 103 is made of one of cross-linked polyethylene or high-density polyethylene, and the protective layer 103 is made of high-density polyethylene, is acid-base resistant, organic solvent resistant, excellent in electrical insulation, capable of keeping a certain toughness at low temperature and strong in tensile resistance.
Wherein, first fastener 5 and second fastener 6 all are half ring-shaped, and the cross-section of the interior arc surface of first fastener 5 and second fastener 6 is the U type, and when using block mechanism to connect fixedly to two adjacent steel-plastic composite pipe bodies 1 like this, first fastener 5 and second fastener 6 can block two adjacent flange 2 on two steel-plastic composite pipe bodies 1 completely, and the fixity can be stronger.
Wherein, the relative one side of two flange 2 on the same steel-plastic composite pipe body 1 is the sphere form, and the thickness of flange 2 outward flange is less than the thickness of inward flange, the both sides of first fastener 5 and 6 inner chambers of second fastener and flange 2's side phase-match set up, when relative motion gradually when first fastener 5 and 6 blocks of second fastener like this, can increase gradually to the extrusion force that two adjacent flange 2 applyed on two steel-plastic composite pipe bodies 1, and then can guarantee the compactness between two adjacent flange 2 on two steel-plastic composite pipe bodies 1.
Wherein, flange 2's top and bottom have all been seted up spacing groove 11, and the middle part of first fastener 5 and the 6 inner chambers of second fastener all is fixed and is equipped with stopper 12, and spacing groove 11 and stopper 12 phase-match set up, through the cooperation of spacing groove 11 and stopper 12, can guarantee that two steel plastic composite pipe bodies 1 fixed through block mechanism fixed connection can not rotate relatively, have good stability.
When the pipe fitting is in work, firstly, two steel-plastic composite pipe bodies 1 which need to be spliced are rotated, limiting grooves 11 on two adjacent connecting flanges 2 on the two steel-plastic composite pipe bodies 1 are aligned with each other, then a sealing rubber ring 4 on one connecting flange 2 is aligned with a sealing groove 3 on the other connecting flange 2, the sealing rubber ring 4 is inserted into the sealing groove 3, then limiting blocks 12 on a first clamping piece 5 and a second clamping piece 6 are respectively aligned with the limiting grooves 11 on the top and the bottom of the connecting flange 2, the first clamping piece 5 and the second clamping piece 6 are clamped after alignment, then a flange bolt 10 is overturned around a movable nut 8 to the middle of two second fixed blocks 9, a flange on the flange bolt 10 is arranged on the top of the second fixed block 9, and at the moment, the flange bolt 10 is rotated to move the flange bolt 10 towards the direction of the movable nut 8, the flange of the flange bolt 10 enters the groove of the second fixed block 9, so that the flange bolt 10 is not required to be completely unscrewed when the pipe is disassembled, the flange bolt 10 can rotate around the movable nut 8 by appropriately unscrewing the flange bolt 10, the pipe is separated from the second fixed block 9, the flange bolt 10 can be always in threaded connection with the movable nut 8, the flange bolt 10 is not required to fall off, the assembly or disassembly efficiency is improved, when the flange bolt 10 is gradually screwed, the first clamping piece 5 and the second clamping piece 6 can gradually move relatively, because the opposite sides of the two connecting flanges 2 on the same steel-plastic composite pipe body 1 are spherical, the thickness of the outer edge of the connecting flange 2 is smaller than that of the inner edge, and the two sides of the inner cavities of the first clamping piece 5 and the second clamping piece 6 are matched with the side surfaces of the connecting flanges 2, therefore, the extrusion force applied by the first clamping piece 5 and the second clamping piece 6 to the two adjacent connecting flanges 2 on the two steel-plastic composite pipe bodies 1 can be gradually increased, so that the tightness between the two adjacent connecting flanges 2 on the two steel-plastic composite pipe bodies 1 can be ensured, only the flange bolts 10 need to be screwed when the two adjacent steel-plastic composite pipe bodies 1 are connected, the splicing time can be effectively saved, and the integral installation efficiency can be effectively improved.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The steel-plastic composite pipe comprises a steel-plastic composite pipe body (1) and two connecting flanges (2), wherein the two connecting flanges (2) are respectively and fixedly connected to two ends of the steel-plastic composite pipe body (1), the whole assembly is formed by connecting a plurality of steel-plastic composite pipe bodies (1) and a plurality of clamping mechanisms, the steel-plastic composite pipe is characterized in that the steel-plastic composite pipe body (1) comprises a seamless steel pipe (101), two bonding layers (102) and two protective layers (103), the two protective layers (103) are respectively and fixedly connected to the inner surface and the outer surface of the seamless steel pipe (101) through the two bonding layers (102), one end of one connecting flange (2) is provided with a sealing groove (3), one end of the other connecting flange (2) is fixedly provided with a sealing rubber ring (4), and the sealing groove (3) and the sealing rubber ring (4) are matched, the clamping mechanism is clamped and connected at the joint of two adjacent steel-plastic composite pipe bodies (1), the clamping mechanism comprises a first clamping piece (5) and a second clamping piece (6), one end of the first clamping piece (5) is hinged with one end of the second clamping piece (6) through a hinge, first fixing blocks (7) are fixedly arranged on two sides of the other end of the outer surface of the first clamping piece (5), a movable nut (8) is arranged between the two first fixing blocks (7), two ends of the movable nut (8) are respectively in rotary insertion connection with the two first fixing blocks (7), second fixing blocks (9) are fixedly arranged on two sides of the other end of the outer surface of the second clamping piece (6), a flange bolt (10) is arranged between the two second fixing blocks (9), the bottom end of the flange bolt (10) is in threaded connection with the middle of the movable nut (8), the tops of the opposite sides of the two second fixing blocks (9) are provided with grooves, and flanges of the flange bolts (10) are connected with the grooves in a clamping mode.
2. An internally and externally sprayed steel-plastic composite pipe according to claim 1, wherein the adhesive layer (102) is made of epoxy resin, and the inside of the adhesive layer (102) is covered with nylon mesh.
3. The steel-plastic composite pipe with internal and external spraying according to claim 1, characterized in that the protective layer (103) is made of one of cross-linked polyethylene or high density polyethylene, and the protective layer (103) is made of high density polyethylene.
4. The internally and externally sprayed steel-plastic composite pipe according to claim 1, wherein the first engaging member (5) and the second engaging member (6) are semi-circular, and the cross section of the inner arc surfaces of the first engaging member (5) and the second engaging member (6) is U-shaped.
5. The internally and externally sprayed steel-plastic composite pipe according to claim 1, wherein the opposite sides of the two connecting flanges (2) on the same steel-plastic composite pipe body (1) are spherical, the thickness of the outer edge of each connecting flange (2) is smaller than that of the inner edge of each connecting flange, and the two sides of the inner cavities of the first clamping piece (5) and the second clamping piece (6) are matched with the side surfaces of the connecting flanges (2).
6. The internally and externally sprayed steel-plastic composite pipe according to claim 1, wherein the top and the bottom of the connecting flange (2) are both provided with a limiting groove (11), the middle parts of the inner cavities of the first clamping member (5) and the second clamping member (6) are both fixedly provided with a limiting block (12), and the limiting groove (11) and the limiting block (12) are arranged in a matching manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920734318.0U CN210128141U (en) | 2019-05-21 | 2019-05-21 | Steel-plastic composite pipe with internal and external spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920734318.0U CN210128141U (en) | 2019-05-21 | 2019-05-21 | Steel-plastic composite pipe with internal and external spraying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210128141U true CN210128141U (en) | 2020-03-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920734318.0U Expired - Fee Related CN210128141U (en) | 2019-05-21 | 2019-05-21 | Steel-plastic composite pipe with internal and external spraying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210128141U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393051A (en) * | 2020-11-16 | 2021-02-23 | 天长市云联管道有限公司 | Connecting and sealing mechanism for steel plastic pipe and plastic pipe |
| CN112762264A (en) * | 2021-01-22 | 2021-05-07 | 刘攀 | Anti-corrosion steel-plastic composite pipe |
| CN113669529A (en) * | 2021-07-22 | 2021-11-19 | 中国水利水电第六工程局有限公司 | Pressure steel pipe butt joint reinforcing apparatus |
-
2019
- 2019-05-21 CN CN201920734318.0U patent/CN210128141U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393051A (en) * | 2020-11-16 | 2021-02-23 | 天长市云联管道有限公司 | Connecting and sealing mechanism for steel plastic pipe and plastic pipe |
| CN112762264A (en) * | 2021-01-22 | 2021-05-07 | 刘攀 | Anti-corrosion steel-plastic composite pipe |
| CN113669529A (en) * | 2021-07-22 | 2021-11-19 | 中国水利水电第六工程局有限公司 | Pressure steel pipe butt joint reinforcing apparatus |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200306 |