CN107965623B - Continuous winding composite pipe with reinforcing ribs - Google Patents
Continuous winding composite pipe with reinforcing ribs Download PDFInfo
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- CN107965623B CN107965623B CN201711446258.4A CN201711446258A CN107965623B CN 107965623 B CN107965623 B CN 107965623B CN 201711446258 A CN201711446258 A CN 201711446258A CN 107965623 B CN107965623 B CN 107965623B
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 104
- 238000004804 winding Methods 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 42
- 210000001503 joint Anatomy 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 18
- 241000276425 Xiphophorus maculatus Species 0.000 claims 2
- 238000005728 strengthening Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000010410 layer Substances 0.000 description 69
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 239000004698 Polyethylene Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000003365 glass fiber Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a continuously wound composite pipe with reinforcing ribs, which is formed by spirally winding a plate strip, wherein the plate strip comprises a strip-shaped plate-shaped body, a lower extending part is outwards extended from the lower part of one side of the plate-shaped body, at least one strip-shaped first buckling protrusion is arranged on the upper end surface of the lower extending part, at least one strip-shaped first buckling groove is arranged on one side, far away from the lower extending part, of the lower end surface of the plate-shaped body, at least one strip-shaped first filling groove is arranged on the upper end surface or the lower end surface of the plate-shaped body, and when the plate strip is spirally wound, the first buckling protrusion is matched with the first buckling groove; the first filling groove is filled with a first reinforced structure layer, and the elastic modulus of the first reinforced structure layer is larger than that of the plate-shaped body. Further, the outside of the winding back plate band is connected with a reinforcing rib plate or the plate-shaped body is provided with at least one strip-shaped protruding part. The invention effectively improves the ring rigidity and the pressure resistance grade of the winding composite pipe, and has easy manufacture and lower manufacturing cost.
Description
Technical Field
The invention relates to the technical field of pipeline manufacturing, in particular to a continuously-wound composite pipe with reinforcing ribs.
Background
At present, a plastic pipe formed by continuously and spirally winding plate and strip profiles is called a continuous winding pipe, which is characterized in that the pipe with various calibers can be flexibly manufactured without a die, is particularly suitable for manufacturing pipes with larger calibers, is applied to the water supply and drainage field, and has the advantages of light weight, less joints, convenient construction, good environmental protection performance, long service life and the like compared with the traditional cement pipe and iron pipe, and is widely applied to various water supply and drainage projects at present.
However, due to the self-structure of the wound plastic pipe, the pressure resistance level or the ring stiffness level of the continuous wound pipe with large caliber is lower. In order to enhance the strength of the winding pipe, people begin to manufacture the winding pipe in a steel-plastic composite mode, for example, an invention patent with a patent number ZL200820199829.9 and a name of 'a steel-plastic composite winding pipe' is disclosed in 8 months and 26 days in 2009, and the winding pipe is formed by continuously winding hollow sectional materials and connecting the hollow sectional materials by hot melting, and is characterized in that U-shaped steel strip reinforcing ribs are arranged in the pipe wall of the sectional materials. The steel-plastic composite winding pipe with the steel belt reinforcing ribs is characterized in that through small holes uniformly distributed on the steel belt, the polyethylene pipe is firmly combined with the steel belt after extrusion molding, and the strength and the rigidity of the polyethylene pipe are enhanced by more than 3 times compared with those of a common winding pipe. Due to the barrier effect of the steel belt, the steel belt is resistant to impact and is not easy to perforate. However, the steel-plastic composite winding pipe has the defects of high preparation difficulty and high cost, and is difficult to manufacture a winding pipe with a large caliber.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the continuous winding composite pipe with the reinforcing ribs, which effectively improves the ring stiffness of the winding composite pipe, and is easy to manufacture and low in manufacturing cost.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the continuous winding composite pipe with the reinforcing ribs is formed by spirally winding a plate belt, the plate belt comprises a strip-shaped plate-shaped body, a lower extending part is outwards extended from the lower part of one side of the plate-shaped body, at least one strip-shaped first buckling protrusion is arranged on the upper end face of the lower extending part, at least one strip-shaped first buckling groove is arranged on one side, far away from the lower extending part, of the lower end face of the plate-shaped body, at least one strip-shaped first filling groove is arranged on the upper end face or the lower end face of the plate-shaped body, and when the plate belt is spirally wound, the first buckling protrusion is matched with the first buckling groove; the first filling groove is filled with a first reinforced structure layer, the first reinforced structure layer is fixedly connected with the inner wall of the first filling groove, and the elastic modulus of the first reinforced structure layer is larger than that of the plate-shaped body.
Further improved, a plurality of grooves are formed in the inner walls of the two sides of the cross section of the first filling groove. The first reinforcing structure layer can be firmly combined with the inner wall of the first filling groove through the plurality of grooves. Preferably the grooves are saw tooth or dovetail shaped.
Further improved, a first sealing strip mounting groove is formed in the upper portion of the first buckling protrusion, a first sealing strip is arranged in the first sealing strip mounting groove, and the first sealing strip is clamped between the first sealing strip mounting groove and the inner wall of the first buckling groove. So as to improve the sealing performance of the pipe wall and the pressure resistance grade of the pipeline.
Further improved, the upper part of the other side of the plate-shaped body is outwards extended to form an upper extension part, at least one strip-shaped second buckling protrusion is arranged below the upper extension part, at least one second buckling groove is arranged on one side, far away from the upper extension part, of the upper end face of the plate-shaped body, and when the plate belt is spirally wound, the second buckling protrusion is matched with the second buckling groove. This can further improve the bonding strength and bending strength in the axial direction of the pipe.
Still further, second buckling protruding lower part is equipped with second sealing strip mounting groove, is equipped with the second sealing strip in the second sealing strip mounting groove, and the second sealing strip presss from both sides between second sealing strip mounting groove and second buckling groove inner wall. Further improving the sealing performance of the pipe wall and the pressure resistance grade of the pipeline.
Further improved, the first reinforcing structure layer extends to cover the whole outer surface of the plate band, and the outer surface of the first reinforcing structure layer is covered with an outer protection layer. The strength, damage resistance and corrosion resistance of the pipeline can be further improved.
Further improved, the outer surface of the wound plate is connected with a reinforcing rib plate, the plate-shaped body is further provided with a plurality of butt joint grooves on the end face provided with the first filling groove, the reinforcing rib plate comprises a strip-shaped plate-shaped body, and the upper end face of the plate-shaped body is provided with a strip-shaped butt joint protrusion which is buckled with the butt joint grooves; the lower end face of the plate-shaped body is provided with at least one strip-shaped convex part, and the butt joint convex part is in buckling fit with the butt joint groove. The corrugated pipe can be formed by the convex parts on the reinforcing rib plates. The ring stiffness of the pipe is improved. Preferably, the cross section of the convex part is arc-shaped or polygonal.
Still further improved, the middle part of the said convex part has second filling grooves, the second filling grooves of the convex part are filled with the second reinforcing structural layer, the second reinforcing structural layer is fixedly connected with inner wall of the second filling groove, the elastic modulus of the second reinforcing structural layer is greater than the elastic modulus of the said convex part; in this way, the reinforcing ribs are formed on the convex parts, and the strength of the pipeline is further improved. Still further, the outer surface of the board belt between the reinforcing rib plates can be covered with an impermeable layer, and the second reinforcing structure layer can be extended to cover the outer surface of the reinforcing rib plates and the impermeable layer. To form a reinforcing layer on the outside of the pipe.
Still further, the middle part of convex part is equipped with the second and fills the groove, fills in the second of convex part and fills to fill the groove and fill the groove with second reinforcing structure layer, and second reinforcing structure layer and the inner wall looks rigid coupling of groove, and the modulus of elasticity of second reinforcing structure layer is greater than the modulus of elasticity of convex part.
Still further, the inner walls of both sides of the cross section of the second filling groove are provided with grooves. The grooves of the inner wall of the second filling groove are preferably zigzag or dovetail-shaped.
Still further, the oral area in second filling groove overlaps and has the cap, and the cap links firmly with the partial recess of second filling groove inner wall. The second reinforcing structure layer can be conveniently solidified and formed through the cap, so that the manufacturing of the pipeline is further facilitated, and the production efficiency is improved.
Further improved, the plate-shaped body is provided with at least one strip-shaped protruding part on the end surface provided with the first filling groove. Preferably, the cross section of the strip-shaped protruding part is arc-shaped or polygonal, so that the corrugated winding pipe can be directly formed without connecting reinforcing rib plates outside the winding back plate band, and the corrugated winding pipe is more convenient to manufacture. When the first filling groove is one, the first filling groove is arranged on the strip-shaped protruding part or is not arranged on the strip-shaped protruding part; when the first filling grooves are multiple, the first filling grooves are all arranged on the strip-shaped protruding portion or part of the first filling grooves are arranged on the strip-shaped protruding portion or none of the first filling grooves are arranged on the strip-shaped protruding portion.
Further, when the first filling groove is arranged on the strip-shaped protruding portion, a plurality of saw-tooth-shaped or dovetail-shaped grooves can be formed in the inner walls of the two sides of the cross section of the first filling groove, then a cap is arranged at the opening of the first filling groove, and the cap is buckled with part of the grooves in the inner wall of the first filling groove. The first reinforcing structure layer can be conveniently solidified and molded through the cap.
The invention is characterized in that at least one strip-shaped first filling groove is arranged on the upper end surface or the lower end surface of the plate-shaped body, the first filling groove is filled with a first reinforcing structure layer, the first reinforcing structure layer is fixedly connected with the inner wall of the first filling groove, and the elastic modulus of the first reinforcing structure layer is larger than that of the plate-shaped body. The reinforcing ribs can be formed through the first reinforcing structure layer, the distribution of the reinforcing ribs is flexible, the ring rigidity and the pressure resistance level of the winding composite pipe are effectively improved, the manufacturing is easy, and the manufacturing cost is low.
On the other hand, the material of the plate-shaped body and the first reinforcing structure layer can be flexibly selected and combined to meet different requirements of customers on product performance and application. The invention is especially suitable for manufacturing water supply and drainage pipeline products with high rigidity, light weight and medium and small caliber.
Drawings
FIG. 1 is an axial cross-section through a central axis of a first embodiment of the invention;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a perspective view of a strap for use with a first embodiment of the present invention;
FIG. 4 is a cross-sectional view of a strap for use with a first embodiment of the present invention;
FIG. 5 is an axial cross-sectional view through a central axis of a second embodiment of the present invention;
FIG. 6 is an enlarged view at B of FIG. 5;
FIG. 7 is a perspective view of a reinforcing plate used in a second embodiment of the present invention;
FIG. 8 is a partial cross-sectional view of a tube wall of a third embodiment of the invention;
FIG. 9 is a cross-sectional view of a third embodiment of the present invention wherein a reinforcing rib and cap are interconnected;
FIG. 10 is an axial cross-sectional view through a central axis of a fourth embodiment of the present invention;
FIG. 11 is an enlarged view at C of FIG. 10;
FIG. 12 is a cross-sectional view of a strip for use in a fourth embodiment of the present invention;
FIG. 13 is a partial cross-sectional view of a fifth embodiment of the present invention;
FIG. 14 is a cross-sectional view of a strip for use in a fifth embodiment of the present invention;
FIG. 15 is a partial cross-sectional view of a sixth embodiment of the present invention;
FIG. 16 is a cross-sectional view of a strip for use in a sixth embodiment of the present invention;
FIG. 17 is a partial cross-sectional view of a seventh embodiment of the present invention;
FIG. 18 is a cross-sectional view of a strip for use in a seventh embodiment of the present invention;
FIG. 19 is a partial cross-sectional view of a tube wall of an eighth embodiment of the invention;
fig. 20 is a cross-sectional view of a strip for use in an eighth embodiment of the invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
In the first embodiment, as shown in fig. 1 to 4, a continuously wound composite pipe with reinforcing ribs is formed by spirally winding a plate strip 10, the plate strip 10 comprises a strip-shaped plate-shaped body 1, a lower extending part 11 is outwards extended from the lower part of one side of the plate-shaped body 1, a strip-shaped first fastening protrusion 2 is arranged on the upper end surface of the lower extending part 11, a reducing part 2a is arranged at the position, close to the lower extending part 11, of the first fastening protrusion 2, a strip-shaped first fastening groove 21 is arranged on the side, far away from the lower extending part 11, of the lower end surface of the plate-shaped body 1, and when the plate strip 10 is spirally wound, the first fastening protrusion 2 is matched with the first fastening groove 21; the upper part of the first buckling protrusion 2 is provided with a first sealing strip installation groove 2b, a first sealing strip 20 is arranged in the first sealing strip installation groove 2b, and the first sealing strip 20 is clamped between the first sealing strip 20 installation groove 2b and the inner wall of the first buckling groove 21;
an upper extension part 12 is outwards extended from the upper part of the other side of the plate-shaped body 1, a strip-shaped second buckling protrusion 3 is arranged below the upper extension part 12, a diameter-reducing part 3a is arranged at a position, close to the upper extension part 12, of the second buckling protrusion 3, a second buckling groove 31 is arranged at one side, far away from the upper extension part 12, of the upper end surface of the plate-shaped body 1, and when the plate belt 10 is spirally wound, the second buckling protrusion 3 is matched with the second buckling groove 31; the lower part of the second fastening protrusion 3 is provided with a second sealing strip installation groove 3b, a second sealing strip 30 is installed in the second sealing strip installation groove 3b, and the second sealing strip 30 is clamped between the second sealing strip 30 installation groove 3b and the inner wall of the second fastening groove 31.
The lower end face of the plate-shaped body 1 is provided with three strip-shaped first filling grooves 4, the cross section of each first filling groove 4 is small in opening and large in inside, each first filling groove 4 is filled with a first reinforcing structure layer 40, the first reinforcing structure layers 40 are glued with the inner wall of each first filling groove 4, the elastic modulus of each first reinforcing structure layer 40 is larger than that of the plate-shaped body 1, for example, the plate-shaped body 1 can be composed of high polymer plastics such as PVC, PE, PPR or ABS, and the first reinforcing structure layers 40 can be composed of unsaturated resin and glass fibers.
Grooves may also be provided on the inner walls of both sides of the first filling tank 4, so that the first reinforcing structure layer 40 is more firmly combined with the inner walls of the first filling tank 4.
The lower end face of the plate-shaped body 1 is provided with four butt joint grooves 5, the first reinforcing structure layer 40 extends to cover the outer surface of the whole plate belt 10 and the four butt joint grooves 5, the outer surface of the first reinforcing structure layer 40 is covered with an outer protection layer 50, the outer protection layer 50 comprises an impermeable layer 51, an outer fiber reinforcing layer 52 and a protection layer 53 which are connected in sequence, and the impermeable layer 51 covers the first reinforcing structure layer 40.
A plurality of holes 13 are also arranged in the middle of the plate-shaped body 1. So as to reduce the weight of the pipeline and the amount of materials used.
A second embodiment, shown in fig. 5 to 7, is a continuously wound composite pipe with reinforcing ribs, which is different from the first embodiment in that: the first reinforcing structure layer 40 is only filled in the first filling groove 4, the outer surface of the coiled plate belt 10 is connected with a reinforcing rib plate 60, the reinforcing rib plate 60 comprises a strip-shaped plate-shaped body 6, and the upper end surface of the plate-shaped body 6 is provided with a strip-shaped butt joint protrusion 61 which is buckled with the butt joint groove 5 on the lower end surface of the plate-shaped body 1; three strip-shaped butt joint protrusions 61 are arranged, and two butt joint protrusions 61 are in buckling fit with two butt joint grooves 5; the middle butt joint protrusion 61 is embedded in the mouth of the first filling groove 4, the lower end surface of the plate-shaped body 6 is provided with a strip-shaped protrusion 62, the cross section of the protrusion 62 is arc-shaped, or polygonal, and the middle of the plate-shaped body 6 is provided with a hole 66. The coiled pipeline forms a corrugated pipe, and the ring rigidity and the impact resistance of the pipeline are further improved.
The middle part of the convex part 62 is provided with a second filling groove 63, a second reinforcing structure layer 70 is filled in the second filling groove 63 of the convex part 62, the second reinforcing structure layer 70 is glued with the inner wall of the second filling groove 63, and the elastic modulus of the second reinforcing structure layer 70 is larger than that of the convex part 62; the protrusion 62 may be formed of PVC or PE or PPR or ABS, and the second reinforcing structure layer 70 may be formed of unsaturated resin and glass fiber.
The distance from the mouth part to the two sides of the top of the cross section of the second filling groove 63 is gradually reduced, the inner walls of the two sides of the cross section of the second filling groove 63 are provided with grooves 64, and the grooves 64 are zigzag or dovetail; the second reinforcing structure layer 70 is firmly fixed with the inner wall of the second filling groove 63 through the plurality of grooves 64.
The outer surfaces of the plate strips 10 between the reinforcing rib plates 60 are covered with an impermeable layer 80, and the second reinforcing structure layer 70 also extends to cover the outer surfaces of the reinforcing rib plates 60 and the impermeable layer 80. The reinforcing rib plate 60 and the plate belt 10 can be connected through an adhesive layer 90.
In the third embodiment, fig. 8 to 9 show a continuously wound composite pipe with reinforcing ribs, which is different from the second embodiment in that: the second reinforcing structure layer 70 is only filled in the second filling groove 63 of the reinforcing rib plate 60, the mouth of the second filling groove 63 is plugged with a cap 65, and the cap 65 is fastened with the groove 64. Thus, the second reinforcing structure layer 70 can be cured and molded conveniently, the production efficiency is improved, the cap 65 can also form a part of the reinforcing rib, and the product attractiveness is improved.
In a fourth embodiment, as shown in fig. 10 to 12, a continuously wound composite pipe with reinforcing ribs is formed by spirally winding a plate strip 10, the plate strip 10 comprises a strip-shaped plate-shaped body 1, a lower extending part 11 is outwards extended from the lower part of one side of the plate-shaped body 1, a strip-shaped first fastening protrusion 2 is arranged on the upper end surface of the lower extending part 11, a reducing part 2a is arranged at the position, close to the lower extending part 11, of the first fastening protrusion 2, a strip-shaped first fastening groove 21 is arranged on the side, far away from the lower extending part 11, of the lower end surface of the plate-shaped body 1, and the first fastening protrusion 2 is matched with the first fastening groove 21 when the plate strip 10 is spirally wound; the upper part of the first buckling protrusion 2 is provided with a first sealing strip installation groove 2b, a first sealing strip 20 is arranged in the first sealing strip installation groove 2b, and the first sealing strip 20 is clamped between the first sealing strip 20 installation groove 2b and the inner wall of the first buckling groove 21; the middle of the plate-shaped body 1 is provided with a plurality of holes 13.
The plate-shaped body 1 is provided with two first filling grooves 4 on the lower end face, the plate-shaped body is provided with two strip-shaped protruding parts 7 on the end face provided with the first filling grooves 4, the two first filling grooves 4 are correspondingly arranged on the two strip-shaped protruding parts 7, the two first filling grooves 4 are filled with first reinforcing structure layers 40, the first reinforcing structure layers 40 are glued with the inner walls of the first filling grooves 4, the elastic modulus of the first reinforcing structure layers 40 is larger than that of the plate-shaped body 1, for example, the plate-shaped body 1 can be composed of high polymer plastics such as PVC, PE, PPR or ABS, and the first reinforcing structure layers 40 can be composed of unsaturated resin and glass fibers.
The first reinforcing structure layer 40 also extends over the entire outer surface of the strip 10. The elongated protrusion 7 is provided with a plurality of holes 71.
Fifth embodiment, fig. 13 and 14 show a continuously wound composite pipe with reinforcing ribs, which is different from the fourth embodiment in that: the plate-shaped body 1 of the plate belt 10 is provided with three first filling grooves 4 on the lower end surface, wherein two first filling grooves 4 are correspondingly arranged on two strip-shaped protruding parts 7, and the other first filling groove 4 is arranged on the lower end surface of the plate belt body 1 between the two strip-shaped protruding parts 7; each of the first filling grooves 4 is filled with a first reinforcing structure layer 40, and the first reinforcing structure layer 40 also extends to cover the entire outer surface of the plate band 10; the two first filling grooves 4 on the two elongated protrusions 7 further extend to the upper portion of the plate strip body 1, and the two first filling grooves 4 are provided with saw-tooth-shaped grooves 41 on the inner walls of both sides thereof, so that the first reinforcing structure layer 40 can be combined with the inner walls of the first filling grooves 4 more firmly.
In this embodiment, the first reinforcing structure layer 40 does not extend to cover the entire outer surface of the plate belt 10, and a cap may be disposed at the mouth of the first filling slot 4, so as to facilitate curing and molding of the first reinforcing structure layer 40 and improve the manufacturing efficiency of the pipeline.
In the sixth embodiment, as shown in fig. 15 and 16, a continuously wound composite pipe with reinforcing ribs is formed by spirally winding a plate strip 10, wherein the plate strip 10 comprises a strip-shaped plate-shaped body 1, a lower extending part 11 is outwards extended from the lower part of one side of the plate-shaped body 1, a strip-shaped first fastening protrusion 2 is arranged on the upper end surface of the lower extending part 11, a reducing part 2a is arranged at the position, close to the lower extending part 11, of the first fastening protrusion 2, a strip-shaped first fastening groove 21 is arranged on the side, far away from the lower extending part 11, of the lower end surface of the plate-shaped body 1, and the first fastening protrusion 2 is matched with the first fastening groove 21 when the plate strip 10 is spirally wound; the upper part of the first buckling protrusion 2 is provided with a first sealing strip installation groove 2b, a first sealing strip 20 is arranged in the first sealing strip installation groove 2b, and the first sealing strip 20 is clamped between the first sealing strip 20 installation groove 2b and the inner wall of the first buckling groove 21; the middle of the plate-shaped body 1 is provided with a plurality of holes 13;
the upper part of the other side of the plate-shaped body 1 is outwards extended to form an upper extension part 12, a strip-shaped second buckling protrusion 3 is arranged below the upper extension part 12, a diameter-reducing part 3a is arranged at the position, close to the upper extension part 12, of the second buckling protrusion 3, a second buckling groove 31 is arranged at one side, far away from the upper extension part 12, of the upper end face of the plate-shaped body 1, and when the plate belt 10 is spirally wound, the second buckling protrusion 3 is matched with the second buckling groove 31.
The plate-shaped body 1 is provided with two first filling grooves 4 on the lower end face, the plate-shaped body is provided with two strip-shaped protruding parts 7 on the end face provided with the first filling grooves 4, the two first filling grooves 4 are correspondingly arranged on the two strip-shaped protruding parts 7, the two first filling grooves 4 are filled with first reinforcing structure layers 40, the first reinforcing structure layers 40 are glued with the inner walls of the first filling grooves 4, the elastic modulus of the first reinforcing structure layers 40 is larger than that of the plate-shaped body 1, for example, the plate-shaped body 1 can be composed of high polymer plastics such as PVC, PE, PPR or ABS, and the first reinforcing structure layers 40 can be composed of unsaturated resin and glass fibers. The first reinforcing structure layer 40 also extends over the entire outer surface of the strip 10. The elongated protrusion 7 is provided with a plurality of holes 71.
Embodiment seven, fig. 17 and fig. 18 show a continuously wound composite pipe with reinforcing ribs, which is different from embodiment six in that: two first filling grooves 4 on the plate band 10 extend to the upper part of the plate band body 1.
In the eighth embodiment, as shown in fig. 19 and 20, a continuously wound composite pipe with reinforcing ribs is formed by spirally winding a plate strip 10, wherein the plate strip 10 comprises a strip-shaped plate-shaped body 1, a lower extending part 11 is outwards extended from the lower part of one side of the plate-shaped body 1, a strip-shaped first fastening protrusion 2 is arranged on the upper end surface of the lower extending part 11, a reducing part 2a is arranged at the position, close to the lower extending part 11, of the first fastening protrusion 2, a strip-shaped first fastening groove 21 is arranged on the side, far away from the lower extending part 11, of the lower end surface of the plate-shaped body 1, and the first fastening protrusion 2 is matched with the first fastening groove 21 when the plate strip 10 is spirally wound; the upper portion of the first fastening protrusion 2 is provided with a first sealing strip installation groove 2b, a first sealing strip 20 is installed in the first sealing strip installation groove 2b, and the first sealing strip 20 is clamped between the first sealing strip 20 installation groove 2b and the inner wall of the first fastening groove 21.
The upper end face of the plate-shaped body 1 is provided with two first filling grooves 4, the end face of the plate-shaped body provided with the first filling grooves 4 is provided with three strip-shaped protruding parts 7, the two first filling grooves 4 are arranged on the two strip-shaped protruding parts 7, the two first filling grooves 4 are filled with first reinforcing structure layers 40, the first reinforcing structure layers 40 are glued with the inner walls of the first filling grooves 4, the elastic modulus of the first reinforcing structure layers 40 is larger than that of the plate-shaped body 1, for example, the plate-shaped body 1 can be composed of high polymer plastics such as PVC, PE, PPR or ABS, and the first reinforcing structure layers 40 can be composed of unsaturated resin and glass fibers. The first reinforcing structure layer 40 also extends over the entire outer surface of the strip 10.
The foregoing is only a few preferred embodiments of the present invention and all changes which come within the meaning and range of equivalency of the claims are intended to be embraced by the appended claims.
Claims (9)
1. The utility model provides a continuous winding composite pipe with strengthening rib, forms its characterized in that through the spiral winding of slab band: the strip comprises a strip-shaped plate-shaped body, a lower extending part is outwards extended from the lower part of one side of the plate-shaped body, at least one strip-shaped first buckling protrusion is arranged on the upper end face of the lower extending part, at least one strip-shaped first buckling groove is arranged on one side, far away from the lower extending part, of the lower end face of the plate-shaped body, at least one strip-shaped first filling groove is arranged on the upper end face or the lower end face of the plate-shaped body, and when the strip is spirally wound, the first buckling protrusion is matched with the first buckling groove; the first filling groove is filled with a first reinforced structure layer, the first reinforced structure layer is fixedly connected with the inner wall of the first filling groove, and the elastic modulus of the first reinforced structure layer is larger than that of the platy body;
the outer surface of the wound plate is connected with a reinforcing rib plate, the plate-shaped body is further provided with a plurality of butt joint grooves on the end face provided with the first filling groove, the reinforcing rib plate comprises a strip-shaped plate-shaped body, and the upper end face of the plate-shaped body is provided with strip-shaped butt joint protrusions which are buckled with the butt joint grooves; the lower end face of the plate-shaped body is provided with at least one strip-shaped convex part, and the butt joint convex part is in buckling fit with the butt joint groove.
2. A continuously wound composite tube with reinforcing ribs as claimed in claim 1, wherein: and a plurality of grooves are formed in the inner walls of the two sides of the cross section of the first filling groove.
3. A continuously wound composite tube with reinforcing ribs as claimed in claim 1, wherein: the upper part of the first buckling bulge is provided with a first sealing strip installation groove, a first sealing strip is arranged in the first sealing strip installation groove, and the first sealing strip is clamped between the first sealing strip installation groove and the inner wall of the first buckling groove.
4. A continuously wound composite tube with reinforcing ribs as claimed in claim 1, wherein: the upper part of the other side of the plate-shaped body is outwards extended to form an upper extension part, at least one strip-shaped second buckling protrusion is arranged below the upper extension part, at least one second buckling groove is arranged on one side, far away from the upper extension part, of the upper end face of the plate-shaped body, and when the plate belt is spirally wound, the second buckling protrusion is matched with the second buckling groove.
5. A continuously wound composite tube with reinforcing ribs as claimed in claim 1, wherein: the middle part of the convex part is provided with a second filling groove, a second reinforcing structure layer is filled in the second filling groove of the convex part, the second reinforcing structure layer is fixedly connected with the inner wall of the second filling groove, and the elastic modulus of the second reinforcing structure layer is larger than that of the convex part.
6. A continuously wound composite tube with reinforcing ribs as claimed in claim 5, wherein: and a plurality of grooves are formed in the inner walls of the two sides of the cross section of the second filling groove.
7. A continuously wound composite tube with reinforcing ribs as claimed in claim 6, wherein: the mouth part of the second filling groove is sleeved with a cap, and the cap is buckled with part of the groove.
8. The utility model provides a continuous winding composite pipe with strengthening rib, forms its characterized in that through the spiral winding of slab band: the strip comprises a strip-shaped plate-shaped body, a lower extending part is outwards extended from the lower part of one side of the plate-shaped body, at least one strip-shaped first buckling protrusion is arranged on the upper end face of the lower extending part, at least one strip-shaped first buckling groove is arranged on one side, far away from the lower extending part, of the lower end face of the plate-shaped body, at least one strip-shaped first filling groove is arranged on the upper end face or the lower end face of the plate-shaped body, and when the strip is spirally wound, the first buckling protrusion is matched with the first buckling groove; the first filling groove is filled with a first reinforced structure layer, the first reinforced structure layer is fixedly connected with the inner wall of the first filling groove, and the elastic modulus of the first reinforced structure layer is larger than that of the platy body;
the plate-shaped body is provided with at least one strip-shaped protruding part on the end surface provided with the first filling groove; the first reinforcing structure layer also extends over the entire outer surface of the strip.
9. A continuously wound composite tube with reinforcing ribs as claimed in claim 8, wherein: when the first filling groove is one, the first filling groove is arranged on the strip-shaped protruding part or is not arranged on the strip-shaped protruding part; when the first filling grooves are multiple, the first filling grooves are all arranged on the strip-shaped protruding portion or part of the first filling grooves are arranged on the strip-shaped protruding portion or none of the first filling grooves are arranged on the strip-shaped protruding portion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711446258.4A CN107965623B (en) | 2017-12-27 | 2017-12-27 | Continuous winding composite pipe with reinforcing ribs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446258.4A CN107965623B (en) | 2017-12-27 | 2017-12-27 | Continuous winding composite pipe with reinforcing ribs |
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| CN107965623A CN107965623A (en) | 2018-04-27 |
| CN107965623B true CN107965623B (en) | 2023-12-12 |
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| CN201711446258.4A Active CN107965623B (en) | 2017-12-27 | 2017-12-27 | Continuous winding composite pipe with reinforcing ribs |
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| CN (1) | CN107965623B (en) |
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