CN212960264U - Connect stable PP high muscle reinforcing polyethylene winding pipe - Google Patents
Connect stable PP high muscle reinforcing polyethylene winding pipe Download PDFInfo
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- CN212960264U CN212960264U CN202021272991.6U CN202021272991U CN212960264U CN 212960264 U CN212960264 U CN 212960264U CN 202021272991 U CN202021272991 U CN 202021272991U CN 212960264 U CN212960264 U CN 212960264U
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Abstract
The utility model provides a connect stable PP high reinforcement polyethylene winding pipe, it includes the body that forms by banded section bar spiral winding overlap joint bonding and stride the cavity strengthening rib that presses the bonding outside the body with same spiral winding mode, banded section bar includes well convex part and the integrative overlap joint portion of locating the well convex part both sides, well convex part thickness is greater than overlap joint portion thickness, the inside cavity that is provided with of well convex part, form the recess that is used for holding the cavity strengthening rib between adjacent two well convex parts in two adjacent banded section bars, be provided with first melten gel layer between cavity strengthening rib and the recess diapire, one of them overlap joint portion is provided with outer closure near one side an organic whole of well convex part, one side an organic whole of convex part is provided with the interior closure with outer closure lock adaptation in another overlap joint portion is kept away from, be provided with second melten gel layer between outer closure and the interior closure. The utility model discloses a mutual lock of interior buckling piece and outer buckling piece makes two adjacent overlap joint portions bond the back inseparabler.
Description
Technical Field
The utility model relates to a technical field of winding pipe, in particular to connect stable PP high muscle reinforcing polyethylene winding pipe.
Background
The large-caliber winding pipe is a pipe which is generally formed by preparing a strip-shaped section from plastic and winding and welding the strip-shaped section, and can be produced into a pipe with the diameter of 3 meters by a small plastic extruder due to the unique forming process, which is difficult to complete by other production processes. The high-density polyethylene (HDPE) not only ensures the product forming process and the product quality due to the excellent fusion welding bonding performance, but also provides a plurality of reliable modes for construction connection, such as electrothermal fusion welding, thermal contraction connection and the like, and is an important reason for the rare occurrence of leakage, and just because of the reason, the pipe has the unique environmental protection function which is not possessed by other pipes. The pipe has the advantages of corrosion resistance, light weight, simple and convenient installation, large flow rate, long service life (50 years) and the like, can replace the pipe made of high-energy-consumption materials (cement, cast iron, glass fiber reinforced plastic pipe, ceramics and the like), and belongs to an environment-friendly green product.
The traditional Chinese patent with the patent publication number of CN111120741A provides an enhanced hollow rectangular strip winding pipe, which consists of a hollow rectangular strip and a reinforced strip, wherein the hollow rectangular strip is divided into an upper part and a lower part, the lower part is of a hollow rectangular structure, the upper part is equal-height bulges positioned on two sides of the rectangular strip, and a groove is formed between the two bulges; the rectangular strip is wound by adopting a spiral winding method and is fused into a pipe body by the melt adhesive; spirally winding the pipe body to form a spiral groove spraying glue, embedding the sticking surface of the spiral groove of the reinforcing section bar, and spraying a layer of glue; then, a reinforcing section bar is adopted and is embedded into the inner side of the spiral groove on the pipe body; wherein the left side of the reinforcing section bar is spirally embedded into the spiral groove; the downward convex part at the right side end of the reinforcing section bar is spirally embedded into the spiral groove of the reinforcing section bar at the left side of the reinforcing section bar. The invention improves the rigidity of the winding pipe ring, and has simple processing equipment and low production cost.
The above prior art solutions have the following drawbacks: the connection between two adjacent cavity rectangle strips only relies on the hot melt adhesive to bond and forms, when winding intraduct water pressure was too big, tears hot melt adhesive layer easily along winding tub axial pressure to lead to can't form inseparable connection between two adjacent cavity rectangle strips, influence the holistic leakproofness of winding pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to solve and lead to unable inseparable connection's of formation problem between two adjacent cavity rectangle strips.
The PP high-reinforcement polyethylene winding pipe with stable connection comprises a pipe body formed by spirally winding, overlapping and bonding strip-shaped sections and hollow reinforcing ribs bonded outside the pipe body in a cross-pressing mode in the same spirally winding mode, wherein each strip-shaped section comprises a middle convex part and overlapping parts integrally arranged on two sides of the middle convex part, the thickness of the middle convex part is larger than that of each overlapping part, a cavity is arranged inside each middle convex part, two adjacent strip-shaped sections form a groove used for accommodating the hollow reinforcing ribs between the two middle convex parts, a first glue layer is arranged between each hollow reinforcing rib and the bottom wall of the groove, one side of each overlapping part close to the middle convex part is integrally provided with an outer overlapping part, and the other side of each overlapping part far away from the middle convex part is integrally provided with an inner overlapping part matched with the outer overlapping part in a locking way, and a second molten glue layer is arranged between the outer buckling piece and the inner buckling piece.
Further, the total thickness of the inner fastening member, the outer fastening member and the second sealant layer is equal to the thickness of the lap joint.
Furthermore, one side, far away from the middle convex part, of the outer buckling piece is provided with an outer buckling groove, one side, close to the middle convex part, of the inner buckling piece is provided with an inner buckling groove, the protruding part, far away from one end of the overlapping part, of the inner buckling piece is matched with the outer buckling groove in an embedded mode, and the protruding part, far away from one end of the overlapping part, of the outer buckling piece is matched with the inner buckling groove in an embedded mode.
Furthermore, a filling cavity is formed between the inner buckling piece and the outer buckling piece in a surrounding mode, and the second melt adhesive layer is filled in the filling cavity.
Further, a plurality of tooth sockets are formed in the side wall, opposite to the outer buckling piece, of the inner buckling piece, and the tooth sockets are arranged in the width direction of the strip-shaped section.
Furthermore, the hollow reinforcing rib comprises a PP special-shaped single-wall corrugated pipe with an equilateral trapezoid cross section, the peripheral wall of the PP special-shaped single-wall corrugated pipe is wrapped with a PE covering layer, and the lower bottom of the cross section of the PP special-shaped single-wall corrugated pipe faces the bottom wall of the groove.
Furthermore, the inner wall of the PP special-shaped single-wall corrugated pipe is fixedly bonded with a reinforcing rib along the length direction, and two ends of the reinforcing rib in the width direction are respectively positioned in the middle of the lower bottom and the upper bottom of the cross section of the PP special-shaped single-wall corrugated pipe.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a first embodiment of the present invention;
fig. 2 is a schematic sectional structure diagram of a second embodiment of the present invention;
fig. 3 is a schematic sectional structure diagram of a third embodiment of the present invention.
Description of the main element symbols:
the following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
As shown in figure 1, the PP high-strength reinforced polyethylene winding pipe with stable connection comprises a pipe body 1 formed by spirally winding, lapping and bonding a strip-shaped section and a hollow reinforcing rib 2 bonded outside the pipe body 1 in a cross-pressing mode in the same spirally winding mode, wherein the strip-shaped section comprises a middle convex part 3 and lapping parts 4 integrally arranged at two sides of the middle convex part 3, the thickness of the middle convex part 3 is larger than that of the lapping parts 4, cavities 5 are arranged inside the middle convex part 3, one or more cavities 5 can be arranged, and one cavity 5 is arranged; a groove 6 for accommodating the hollow reinforcing rib 2 is formed between two adjacent middle convex parts 3 in two adjacent strip-shaped profiles, and a first melt adhesive layer 7 is arranged between the hollow reinforcing rib 2 and the bottom wall of the groove 6.
One side, close to the middle convex part 3, of one of the lap joint parts 4 is integrally provided with an outer buckling part 8, one side, far away from the middle convex part 3, of the other lap joint part 4 is integrally provided with an inner buckling part 9 buckled and matched with the outer buckling part 8, a second molten glue layer 10 is arranged between the outer buckling part 8 and the inner buckling part 9, and the total thickness of the inner buckling part 9, the outer buckling part 8 and the second molten glue layer 10 is equal to the thickness of the lap joint part 4; outer catching groove 11 has been seted up to one side that well convex part 3 was kept away from to outer buckling piece 8, and interior catching groove 12 has been seted up to one side that interior buckling piece 9 is close to well convex part 3, and the bellying and the 11 gomphosis adaptations of outer catching groove of 4 one ends of overlap joint are kept away from to interior buckling piece 9, and the bellying and the 12 gomphosis adaptations of inner catching groove of 4 one ends of overlap joint are kept away from to outer buckling piece 8.
During preparation winding pipe, be the heliciform winding with banded section bar, make interior closure 9 and outer closure 8 on two adjacent overlap joint portions 4 through outer catching groove 11 and the mutual lock of interior catching groove 12, and at the winding in-process of banded section bar, pour into fused state second melten gel layer 10 in the gap of synchronous inside closure 9 and outer closure 8, thereby along with the continuous spiral winding of banded section bar, second melten gel layer 10 cools off the solidification gradually, make adjacent interior closure 9 and outer closure 8 bond each other inseparabler, thereby banded section bar combines inseparabler in adjacent overlap joint portion 4 when the winding, the leakproofness is stronger. And the hollow reinforcing ribs 2 which are bonded in the grooves 6 in a cross-pressing manner in the same spiral winding manner further enhance the bonding tightness of the adjacent overlapping parts 4 on one hand, and improve the structural wall height and the moment of inertia of the pipe body 1 on the other hand, thereby economically enhancing the ring stiffness of the pipe body 1.
The hollow reinforcing rib 2 comprises a PP special-shaped single-wall corrugated pipe 15 with an equilateral trapezoid cross section, the PP special-shaped single-wall corrugated pipe 15 can be one or more ribs combined into the equilateral trapezoid cross section, the PP special-shaped single-wall corrugated pipe 15 is arranged to be one, the peripheral wall of the PP special-shaped single-wall corrugated pipe 15 is coated with a PE covering layer 16, the bottom of the cross section of the PP special-shaped single-wall corrugated pipe 15 faces the bottom wall of the groove 6, the inner wall of the PP special-shaped single-wall corrugated pipe 15 is fixedly bonded with a reinforcing rib 17 along the length direction of the inner wall, and two ends of the reinforcing rib 17 in.
PP dysmorphism single-walled bellows 15 can be arbitrary not have the internal stress bending, in-process in the strip section bar winding shaping, can play good design and supporting effect, add simultaneously in PP dysmorphism single-walled bellows 15 and establish strengthening rib 17, further improved PP dysmorphism single-walled bellows 15's structural firmness and stability, PE overburden 16 cladding can play good protection effect and the effect that reduces frictional force at PP dysmorphism single-walled bellows 15 periphery wall.
Example two
As shown in fig. 2, a PP high-strength reinforced polyethylene winding pipe with stable connection is different from the first embodiment in that: a filling cavity 13 is formed between the inner fastening part 9 and the outer fastening part 8 in a surrounding manner, and the second molten glue layer 10 is filled in the filling cavity 13. When the winding overlap joint of two adjacent overlap joints 4, inject molten second melten gel layer 10 in filling chamber 13, the setting of filling chamber 13 has both increased the area of contact between second melten gel layer 10 and interior closure 9 and the outer closure 8, has also increased the filling volume of second melten gel layer 10 simultaneously for connection between interior closure 9 and the outer closure 8 is inseparabler, thereby banded section bar adjacent overlap joint 4 when the winding combines inseparabler, and the leakproofness is stronger.
EXAMPLE III
As shown in fig. 3, a PP high-strength reinforced polyethylene winding pipe with stable connection is different from the first embodiment in that: a plurality of tooth sockets 14 are arranged on the side walls of the inner buckling piece 9 and the outer buckling piece 8 which are opposite, and the tooth sockets 14 are arranged along the width direction of the strip-shaped section. When the 4 winding overlap joints of two adjacent overlap joint portions, the setting of a plurality of tooth's socket 14 makes interior closure 9 and outer closure 8 roughness increase greatly to it is more inseparable with the combination of second melten gel layer 10, and adjacent two banding section bars also increase greatly along the 1 axial stretch-proofing performance of body, have both improved the leakproofness of winding pipe body 1, have also improved the stretch-proofing nature of winding pipe body 1 simultaneously.
Example four
The PP high-strength reinforced polyethylene winding pipe with stable connection is different from the second embodiment in that: a sealing ring matched with the filling cavity 13 is arranged in the filling cavity 13. The sealing ring fills the gap between the inner buckling piece 9 and the outer buckling piece 8, and the sealing performance of the winding pipe tank body 1 can be obviously improved.
EXAMPLE five
The PP high-strength reinforced polyethylene winding pipe with stable connection is different from the first embodiment in that: the first melt adhesive layer 7 and the second melt adhesive layer 10 are formed by hot melt adhesive through electric melting.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a connect stable PP high muscle reinforcing polyethylene winding pipe, includes the body that is formed by banded section bar spiral winding overlap joint bonding and stride the pressure bonding with same spiral winding mode and be in the outer cavity strengthening rib of body, its characterized in that, banded section bar includes well convex part and integrative overlap joint portion of locating well convex part both sides, well convex part thickness is greater than overlap joint portion thickness, the inside cavity that is provided with of well convex part, adjacent two in the banded section bar form the recess that is used for holding the cavity strengthening rib between the convex part, be provided with first melten gel layer between cavity strengthening rib and the recess diapire, one of them one side that the overlap joint portion is close to well convex part is integrative to be provided with outer closure, another one side that well convex part was kept away from to the overlap joint portion an organic whole be provided with the interior closure of outer closure lock adaptation, and a second molten glue layer is arranged between the outer buckling piece and the inner buckling piece.
2. The stably connected PP high-strength reinforced polyethylene wound pipe of claim 1, wherein the total thickness of the inner fastener, the outer fastener and the second sealant layer is equal to the thickness of the overlapping part.
3. The PP high-strength reinforced polyethylene winding pipe with stable connection as claimed in claim 2, wherein an outer fastening groove is formed on one side of the outer fastening member away from the middle convex portion, an inner fastening groove is formed on one side of the inner fastening member close to the middle convex portion, a protruding portion of the inner fastening member away from one end of the overlapping portion is matched with the outer fastening groove in an embedded manner, and a protruding portion of the outer fastening member away from one end of the overlapping portion is matched with the inner fastening groove in an embedded manner.
4. The PP high-reinforcement-strength polyethylene winding pipe with stable connection as claimed in claim 2, wherein a filling cavity is formed between the inner fastening member and the outer fastening member, and the second molten adhesive layer is filled in the filling cavity.
5. The PP high-reinforcement-strength polyethylene winding pipe stable in connection according to claim 2, wherein a plurality of tooth sockets are formed in the side walls of the inner fastening member and the outer fastening member opposite to each other, and the tooth sockets are arranged in the width direction of the strip-shaped section.
6. The PP high-strength reinforced polyethylene winding pipe with stable connection according to any one of claims 1 to 5, wherein the hollow reinforcing rib comprises a PP special-shaped single-wall corrugated pipe with an equilateral trapezoid cross section, the outer peripheral wall of the PP special-shaped single-wall corrugated pipe is coated with a PE covering layer, and the lower bottom of the cross section of the PP special-shaped single-wall corrugated pipe faces the bottom wall of the groove.
7. The PP high-strength reinforced polyethylene winding pipe with stable connection as claimed in claim 6, wherein the reinforcement ribs are bonded and fixed on the inner wall of the PP special-shaped single-wall corrugated pipe along the length direction, and the two ends of the reinforcement ribs in the width direction are respectively located in the middle of the lower bottom and the upper bottom of the cross section of the PP special-shaped single-wall corrugated pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021272991.6U CN212960264U (en) | 2020-07-01 | 2020-07-01 | Connect stable PP high muscle reinforcing polyethylene winding pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021272991.6U CN212960264U (en) | 2020-07-01 | 2020-07-01 | Connect stable PP high muscle reinforcing polyethylene winding pipe |
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| CN212960264U true CN212960264U (en) | 2021-04-13 |
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| CN202021272991.6U Active CN212960264U (en) | 2020-07-01 | 2020-07-01 | Connect stable PP high muscle reinforcing polyethylene winding pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719674A (en) * | 2021-08-25 | 2021-11-30 | 佛山市三水世通管材有限公司 | HDPE plastic steel reinforced PP framework winding pipe and production process thereof |
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- 2020-07-01 CN CN202021272991.6U patent/CN212960264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719674A (en) * | 2021-08-25 | 2021-11-30 | 佛山市三水世通管材有限公司 | HDPE plastic steel reinforced PP framework winding pipe and production process thereof |
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