CN201071987Y - Improved steel-plastic compound pressure pipe - Google Patents
Improved steel-plastic compound pressure pipe Download PDFInfo
- Publication number
- CN201071987Y CN201071987Y CNU2007200805519U CN200720080551U CN201071987Y CN 201071987 Y CN201071987 Y CN 201071987Y CN U2007200805519 U CNU2007200805519 U CN U2007200805519U CN 200720080551 U CN200720080551 U CN 200720080551U CN 201071987 Y CN201071987 Y CN 201071987Y
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- metal reinforced
- reinforced structure
- layer
- pressure pipe
- plastic composite
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Abstract
The utility model relates to an improved steel-plastic composite pressure pipe. A pipe wall adopts a mutual hot-melt composite laminated structure in a way of spiral winding. The utility model comprises a sandwich layer, a metal reinforced structure layer, and an outer wall layer from inside to outside, wherein rib-shaped salient structures winded spirally are heatedly melted and compounded on peripheral surface of the sandwich layer; a metal reinforced structure with the cross section presenting a U-shaped concave groove type is simultaneously and mutually compounded with the peripheral surface of the sandwich layer in a way that the metal reinforced structure corresponds to the inward concave gap shape among all the rib-shaped salient structures; the outer wall layer is integrally compounded outside of all the rib-shaped salient structures arranged at intervals and the metal reinforced structure, and externally extended flange structures which can enhance mutually combined strength are also arranged on the two side wings of the concave groove type metal reinforced structure. Because the externally extended flange structures which can enhance mutually combined strength are arranged on the two side wings of the metal reinforced structure, can be mutually compounded with structural layers on the circumferences more stably and reliably to be uneasy to be separated, the integrality performance of a pipe wall structure is enhanced, and the resistance ability to the impact of a variety of sudden external force is enhanced.
Description
Technical field
The utility model relates to a kind of improved steel-plastic composite pressure pipe, particularly as bigbore steel reinforced plastic pipes such as large-caliber water supply pipelines.
Background technique
The present large-diameter steel reinforced plastic pipes such as large-caliber water supply pipeline that use, it mostly is that continuous various enhancing skeletal structures such as metal are set in structural pipe wall, consequently make the sandwich layer plastics and the outer wall layer plastics that constitute inwall in the structural pipe wall be separated from each other partition, the sandwich layer of inwall mainly is mutually compound with the enhancing skeleton by tackiness agent.And this adhered compound some little defectives that inevitably can exist.In the actual use of large-caliber water supply pipeline etc., the inside of pipeline is stopping suddenly supplying water or beyond other during situation, also the backpressure operating mode of negative pressure or vacuum appears in regular meeting except that the pressure from inside to outside of nominal situation.This situation can cause sandwich layer and little defective in the bonding boundary that strengthens inboard wall of skeleton constantly to enlarge, and then may cause coming off or caving in of internal layer, and tubing is damaged.
The model utility content
At above-mentioned situation, the utility model will provide a kind of improved steel-plastic composite pressure pipe of new structure form, particularly as bigbore steel reinforced plastic pipes such as large-caliber water supply pipelines.
The improved steel-plastic composite pressure pipe of the utility model is that structural pipe wall is by including sandwich layer, metal reinforced structure layer and outer wall layer outside interior at least in the improvement of present tube wall for carrying out on the basis with the compound stratiform structure of the mutual hot melt of spiral canoe.Wherein, hot melt is compounded with spirally-wound rib strip shaped protruding structure on the outer circumferential face of sandwich layer, section take the shape of the letter U groove type the metal reinforced structure with and said each rib strip shaped protruding structure between the mode that adapts of indent gap shape, simultaneously adjacent with its both sides rib strip shaped protruding structure and the mutual hot melt of sandwich layer outer circumferential face are compound, and the then complete lining of outer wall layer is compound in outside each rib strip shaped protruding structure and metal reinforced structure that shape is arranged at interval.Also has the abduction edge of a wing structure that can strengthen mutual combined strength bination on two flanks of said this groove type metal reinforced structure.
The effect of the abduction edge of a wing structure in the said structure on said these groove type metal reinforced structure two flanks, it is the abduction edge of a wing that is other shaped by this, can and the rib strip shaped protruding structure of its both sides between more solid and reliable binding ability is arranged, prevent that it from layering therebetween may occur under some fierce or big active force impacts or the situation of peeling off takes place, or prevent to make the rib strip shaped convex portion explosion of tube wall from pure plastics owing to the pipe internal pressure increases suddenly.
The structural type of this abduction edge of a wing structure on said groove type metal reinforced structure two flanks can be for having the flange formula structure of an abduction knuckle at least, or be the arc of rounding off form, or the abduction edge of a wing of form such as hook solid.
In addition, as at least one side of this form of grooves metal reinforced structure inner and outer surface, preferably both sides also are coated with one or more layers plastics etc. simultaneously and help its compound coating efficiency construction layer mutually, can also further help the solid and reliable of its combination.
Except that the metal reinforced structure of simple form groove structure, the local shape that changes groove structure also can help to improve its compression resistance.As can being provided with one or more protruding or recessed reinforcing rib structures, and/or make said form of grooves metal reinforced structure have groove bottom of epirelief or recessed cambered surface form etc. at the groove bottom of said form of grooves metal reinforced structure.
For further improving the integrity of structural pipe wall after compound, on the basis of said structure, can also be at least on the bottom of said groove type metal reinforced structure and/or flank, be provided with the communicating structure that connects bi-side, it is compound mutually that sandwich layer plastics and outer wall layer plastics can also be realized by these through holes, also further improved combined strength bination and reliability between itself and metal reinforced structure.
Because the tube wall of above-mentioned improved steel-plastic composite pressure pipe is to be composited with the mutual overlap joint hot melt of spiral canoe by neighboring edge by corresponding banded sheet material, for breaking away from layering between the adjacent sheet of further avoiding outer wall layer to overlap mutually, guarantee the reliability of outer wall layer and the ability of anti-axial tension, said outer wall layer with the lining of spiral canoe twines the width of band can cover two adjacent rib strip shaped protruding structures of sandwich layer outer circumferential face at least, and the form that the welding width that overlaps mutually between each adjacent winding band is at least the rib strip shaped protruding structure width of a sandwich layer outer circumferential face is good, makes the form of the clinch potential energy formation one " button " of two adjacent winding sheet materials.Constitute the overlapping part of each adjacent winding band of sandwich layer, can be arranged in the rib strip shaped protruding structure position of its periphery, also can be arranged in the trench structure position place between each rib strip shaped protruding structure
In the said structure, though each the rib strip shaped protruding structure on the said sandwich layer outer circumferential face can have the effect that improves tube wall strength, but as on the basis of said structure, further the composite part interdigit at each rib strip shaped protruding structure and outer wall layer is compounded with a wire netting reinforced layer again, and its two ends are overlapped mutually and compound (for example can be compound mutually) respectively with the metal reinforced structure of adjacent both sides by its surface-coated plastic coat layer, then the mutual hot melt that neither influences between this position sandwich layer and outer wall layer of the reticular structure of this porous is compound, helps significantly improving the resistance to compression and/or the tensile strength at this position again.
The improved steel-plastic composite pressure pipe of the above-mentioned form of the utility model can be applied to the fluid delivery tube of present various ways, particularly comprises the various bigbore fluid delivery tube of feedwater piping.As, its two-port portion is respectively bellmouth and the outlet structure that work cooperatively interacts, and the electric heat molten type composite pressure pipe of electric heating structure can embeddingly be arranged therein.Or make its two ends Wei be not trapezoidal or the port organization of rectangle, to match with corresponding adpting flange structure.
Pass through said structure, particularly has the abduction edge of a wing structure that can strengthen combined strength bination on two flanks of metal reinforced structure, can reach and make it more compound and not easily separated with construction layer on every side, greatly improved the integrity and the reliability of structural pipe wall, improved resist ability various burst external impacts.
Below in conjunction with embodiment shown in the drawings foregoing of the present utility model is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of the utility model only limits to following example.Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements or change according to ordinary skill knowledge and customary means are made all should be included in the scope of the present utility model.
Description of drawings
Fig. 1 is the axial sectional structure schematic representation of the tube wall of the improved steel-plastic composite pressure pipe basic structure of the utility model.
Fig. 2 is the structural type schematic representation that metal strengthens the structure abduction edge of a wing in the tube wall.
Fig. 3 is the schematic representation that another metal strengthens structural type in the tube wall.
Fig. 4 is the schematic representation that another metal strengthens structural type in the tube wall.
Fig. 5 is the schematic representation that another kind of metal strengthens structural type in the tube wall.
Fig. 6 is the local structure for amplifying schematic representation of tube wall.
Embodiment
As shown in Figure 1, the tube wall of the improved steel-plastic composite pressure pipe of the utility model is for the compound stratiform structure of the mutual hot melt of spiral canoe, by sandwich layer 1, metal reinforced structure layer 4 and outer wall layer 3 are arranged outside interior.Hot melt is compounded with spirally-wound rib strip shaped protruding structure 2 on the outer circumferential face of sandwich layer 1; The groove type metal reinforced structure 4 that bi-side are coated with one deck plastic construction layer 5, the section that takes the shape of the letter U at least, also have the abduction edge of a wing structure 14 that can strengthen mutual combined strength bination on two flanks, with and the mode that adapts of the indent gap shape of 2 of said each rib strip shaped protruding structures, simultaneously compound with rib strip shaped protruding structure 2 and the mutual hot melt of sandwich layer 1 outer circumferential face; 3 complete linings of outer wall layer are compound in outside each rib strip shaped protruding structure 2 and metal reinforced structure 4 that shape is arranged at interval.The groove type Structural Hardware 4 of band abduction edge of a wing structure 14 is spirally wound on two 2 of adjacent rib strip shaped protruding structures under the molten state and is engaged on its outer side surface, it is compound that rib strip shaped protruding structure 2 carries out fusion by protrusion of the space between the adjacent grooves formula Structural Hardware 4 abduction edge of a wing structures 14 and skin, make tubing sandwich layer, enhancement layer, outer fusion be combined into an integral body, improve the reliability of tubing.
Above-mentioned sandwich layer 1, rib strip shaped protruding structure 2 and outer wall layer 3 are extruded sheet or the bar club-shaped material with corresponding cross-sectional configuration by each extruder respectively, and twining also mutually successively on workbench, hot melt is combined into overall structure.Wherein the width that twines bands with the outer wall layer 3 of spiral canoe lining is to cover adjacent two the rib strip shaped protruding structures 2 of sandwich layer 1 outer circumferential face, and the welding border width that overlaps mutually between each adjacent winding band is at least rib strip shaped protruding structure 2 width of sandwich layer 1 outer circumferential face, so that can form the form of " button " at its overlapping part place, improve its anti-axial tension ability and reliability, its partial structurtes can be shown in Figure 6 as what amplify.
3 of each rib strip shaped protruding structure 2 on sandwich layer 1 outer circumferential face and outer wall layers also can be provided with the wire netting reinforced layer 13 (referring to Fig. 6) that the surface also is coated with the plastic construction layer, this wire netting reinforced layer is between the rib strip shaped protruding structure 2 and outer wall layer 3 of 13 sandwich layers, 1 outer circumferential face, and its two ends are also compound with the metal reinforced structure 4 mutual overlap joints of adjacent both sides respectively.
Fig. 2 is several forms of the abduction edge of a wing structure 14 on 4 liang of flanks of this groove type metal reinforced structure in the above-mentioned tube wall.Wherein the abduction edge of a wing structure 14 among a is the horizontal flange formula structure through an abduction knuckle; Abduction edge of a wing structure 14 among the b is for having the abduction flange formula structure of two knuckles; Abduction edge of a wing structure 14 among the c is the abduction edge of a wing of rounding off form; Abduction edge of a wing structure 14 among the d is the abduction edge of a wing that further forms the hook-shaped form of rounding off on the c basis.
The another kind of structural type of Fig. 3 form of grooves metal reinforced structure 4, the angle between its sidewall and bottom surface are 30 °～89 °, and offer the through hole structure 12 of through hole or other appropriate format of some its relative both side surface of perforation in its bottom with the flank place.
Fig. 4 and Fig. 5 are respectively the another kind of forms of form of grooves metal reinforced structure 4, can be provided with one or two protruding or recessed stiffening ribs 6 respectively at its groove bottom, or make the structure of its groove bottom 7 for the cambered surface form of convex (or to recessed).
Claims (10)
1. improved steel-plastic composite pressure pipe, tube wall is with the compound stratiform structure of the mutual hot melt of spiral canoe, by including sandwich layer (1) outside interior at least, metal reinforced structure layer (4) and outer wall layer (3), it is characterized in that hot melt is compounded with spirally-wound rib strip shaped protruding structure (2) on the outer circumferential face of sandwich layer (1), section take the shape of the letter U groove type metal reinforced structure (4) with and said each rib strip shaped protruding structure (2) between the mode that adapts of indent gap shape, simultaneously compound with rib strip shaped protruding structure (2) and the mutual hot melt of sandwich layer (1) outer circumferential face, the then complete lining of outer wall layer (3) is compound in outside each rib strip shaped protruding structure (2) and metal reinforced structure (4) that shape is arranged at interval, also has the abduction edge of a wing structure (14) that can strengthen mutual combined strength bination on two flanks of said this groove type metal reinforced structure.
2. improved steel-plastic composite pressure pipe as claimed in claim 1 is characterized in that the abduction edge of a wing structure (14) on said groove type metal reinforced structure (4) two flanks is the flange formula structure that has an abduction knuckle at least.
3. improved steel-plastic composite pressure pipe as claimed in claim 1 is characterized in that the abduction edge of a wing structure (14) on said groove type metal reinforced structure (4) two flanks is the abduction edge of a wing of rounding off form.
4. improved steel-plastic composite pressure pipe as claimed in claim 1 is characterized in that at least being provided with the communicating structure (12) that connects bi-side on the bottom of said groove type metal reinforced structure (4) and/or flank.
5. improved steel-plastic composite pressure pipe as claimed in claim 1 is characterized in that being coated with one deck binder or other high molecular polymer binder course (5) at least at least one side of said groove type metal reinforced structure (4).
6. improved steel-plastic composite pressure pipe as claimed in claim 1 is characterized in that the groove bottom of said groove type metal reinforced structure (4) has at least one protruding or recessed stiffening rib (6).
7. improved steel-plastic composite pressure pipe as claimed in claim 1 is characterized in that said groove type metal reinforced structure (4) has the groove bottom (7) of epirelief or recessed cambered surface form.
8. improved steel-plastic composite pressure pipe as claimed in claim 1 is characterized in that said rib strip shaped protruding structure (2) is for being compound in the laying structure on sandwich layer (1) outer circumferential face with spiral canoe hot melt.
9. improved steel-plastic composite pressure pipe as claimed in claim 1, it is characterized in that also being combined with a wire netting reinforced layer (13) on said sandwich layer (1) outer side surface between each rib strip shaped protruding structure (2) and outer wall layer (3), its two ends are also compound with the mutual overlap joint of the metal reinforced structure (4) of adjacent both sides respectively.
10. as the described improved steel-plastic composite pressure pipe of one of claim 1 to 7, the winding strip width that it is characterized in that the outer wall layer (3) that said spiral twines is the two adjacent rib strip shaped protruding structures (2) that can cover sandwich layer (1) outer circumferential face at least, and the welding width that overlaps mutually between each adjacent winding band is at least the width of the rib strip shaped protruding structure (2) of a sandwich layer (1) outer circumferential face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200805519U CN201071987Y (en) | 2007-08-03 | 2007-08-03 | Improved steel-plastic compound pressure pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200805519U CN201071987Y (en) | 2007-08-03 | 2007-08-03 | Improved steel-plastic compound pressure pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071987Y true CN201071987Y (en) | 2008-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200805519U Expired - Lifetime CN201071987Y (en) | 2007-08-03 | 2007-08-03 | Improved steel-plastic compound pressure pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201071987Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305344A (en) * | 2011-08-23 | 2012-01-04 | 深圳金鸿机械制造有限公司 | Reinforced thermoplastic composite structure wall-pipe pipe workpiece and strip material and complete set of production devices thereof |
| CN103775758A (en) * | 2014-01-27 | 2014-05-07 | 顾地科技股份有限公司 | Mesh steel strip reinforced helical double-wall corrugated pipe and production method thereof |
-
2007
- 2007-08-03 CN CNU2007200805519U patent/CN201071987Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305344A (en) * | 2011-08-23 | 2012-01-04 | 深圳金鸿机械制造有限公司 | Reinforced thermoplastic composite structure wall-pipe pipe workpiece and strip material and complete set of production devices thereof |
| WO2013026335A1 (en) * | 2011-08-23 | 2013-02-28 | 深圳金鸿机械制造有限公司 | Tube with tube wall being of enhanced thermoplastic composite structure, strip, and complete-set production apparatus thereof |
| CN103775758A (en) * | 2014-01-27 | 2014-05-07 | 顾地科技股份有限公司 | Mesh steel strip reinforced helical double-wall corrugated pipe and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SICHUAN GOLDSTONE ORIENT NEW MATERIAL EQUIPMENT CO Free format text: FORMER OWNER: KUAI YIXI Effective date: 20110630 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610200 SICHUAN GOLDSTONE ORIENT NEW MATERIAL EQUIPMENT INC., WANJIA COMMUNITY, JIUJIANG TOWN, SHUANGLIU COUNTY, CHENGDU CITY, SICHUAN PROVINCE TO: 610200 WANJIA COMMUNITY, JIUJIANG TOWN, SHUANGLIU COUNTY, CHENGDU CITY, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110630 Address after: 610200 Sichuan Chengdu Shuangliu County Jiujiang town ten thousand communities Patentee after: Sichuan Jinshi Dongfang new material equipment Co., Ltd. Address before: 610200, Sichuan, Chengdu, Shuangliu County province Jiujiang town 10000 community Sichuan stone Oriental new materials and Equipment Co., Ltd. Patentee before: Kuai Yixi |
|
| C56 | Change in the name or address of the patentee |
Owner name: SICHUAN GOLDSTONE ORIENT NEW METERIAL EQUIPMENT SH Free format text: FORMER NAME: SICHUAN GOLDSTONE ORIENT NEW METERIAL EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610200 Sichuan Chengdu Shuangliu County Jiujiang town ten thousand communities Patentee after: SICHUAN GOLDSTONE ORIENT NEW MATERIAL EQUIPMENT CO., LTD. Address before: 610200 Sichuan Chengdu Shuangliu County Jiujiang town ten thousand communities Patentee before: Sichuan Jinshi Dongfang new material equipment Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080611 |
|
| CX01 | Expiry of patent term |