CN214618260U - Spiral winding pipe - Google Patents
Spiral winding pipe Download PDFInfo
- Publication number
- CN214618260U CN214618260U CN202120423554.8U CN202120423554U CN214618260U CN 214618260 U CN214618260 U CN 214618260U CN 202120423554 U CN202120423554 U CN 202120423554U CN 214618260 U CN214618260 U CN 214618260U
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- section bar
- pipe
- reinforcing
- groove
- spoon
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Abstract
The utility model relates to a spiral winding pipe, including basic section bar and additional strengthening, its body is formed by the bonding of basic section bar spiral winding, and additional strengthening is with same spiral winding mode, and head and the tail gomphosis bonds, and bonds on the outer wall of body. The basic section is formed by a groove, a bulge and a hollow cavity structure, and is spirally wound and bonded by a melt adhesive layer to form a pipe body; one side of the reinforcing section bar is provided with an upward spoon-shaped structure; the other side has downward convex part, reinforcing section bar spiral winding is in the body surface, wherein spoon-shaped structure gomphosis in the first recess of basic section bar downwards, the convex part is buckled to the upside of adjacent spoon-shaped structure. The technical effects of the utility model are that: the hollow reinforcing section bar and the winding pipe are more firm in lap joint edge during winding, so that potential cracking risk is avoided. Meanwhile, the material can be greatly saved, the production cost is reduced, the weight of the product is reduced, and the transportation cost is saved.
Description
Technical Field
The utility model relates to a plastics tubular product field, concretely relates to winding pipe.
Background
The plastic winding pipe is a pipe formed by spirally winding plastic profiles. The composite material has the advantages of light weight, stable chemical performance, good toughness, long service life and the like, and is widely applied to drainage and pollution discharge engineering.
However, the common plastic winding pipe has the disadvantage of lower ring stiffness and is difficult to bear larger radial pressure. In the prior art, the ring stiffness is increased by increasing the pipe wall thickness, or by the structure of the pipe. However, in the prior art, the use amount of polyethylene material is increased when the ring stiffness is increased by increasing the thickness of the pipe wall, so that the weight of the winding pipe is increased, and the manufacturing and transportation cost is increased. The production process is too complex whenever the ring stiffness is increased by changing the structure. Therefore, an intermediate between them was explored: without adding excessive cost; the production process is not too complicated; this will become the development direction of the industry.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a technical problem be, provide a spiral winding pipe, low in production cost, and the spiral winding pipe of production technology uncomplicated.
The technical scheme of the utility model is that: a hollow spiral winding pipe comprises a basic section bar 1 and a reinforcing section bar 2, and is characterized in that: the pipe body of the winding pipe is formed by spirally winding and bonding a basic section bar 1, and the reinforcing section bars 2 are embedded and bonded end to end in the same spiral winding mode and are bonded on the outer wall of the pipe body.
The basic section bar 1 is composed of a first groove 11, a bulge 12 and a hollow cavity structure 13, wherein the first groove 11 is arranged in the middle of the upper surface of the hollow cavity structure 13; the protrusions 12 are trapezoidal, and an inverted isosceles trapezoid-shaped first groove 11 is formed between the two trapezoidal protrusions 12; the basic section bar 1 is spirally wound and is adhered by a melt adhesive layer 3 to form a pipe body.
One side of the reinforcing section bar 2 is provided with an upward spoon-shaped structure 21; the other side has a downward protrusion 22, and the reinforcing profile 2 is spirally wound on the outer surface of the pipe body, wherein the spoon-shaped structures 21 are downward embedded into the first grooves 11 of the base profile 1, and the protrusion 22 is fastened to the upper side of the adjacent spoon-shaped structures 21.
The trapezoidal protrusion 12 is a right trapezoid.
The trapezoidal protrusion 12 is an isosceles trapezoid.
The two adjacent melt adhesive layers 3 of the hollow cavity structures and the two adjacent bulges 12 form an inverted isosceles trapezoid-shaped second groove 14.
The middle of the reinforcing section bar 2 is also provided with a convex part 23 which is embedded with the second groove 14.
Cross reinforcing ribs can be additionally arranged in the hollow cavity of the basic section bar 1.
The technical effects of the utility model are that: the hollow reinforcing section bar and the winding pipe are more firm in lap joint edge during winding, so that potential cracking risk is avoided. Meanwhile, the material can be greatly saved, the production cost is reduced, the weight of the product is reduced, and the transportation cost is saved.
Drawings
FIG. 1 is a sectional view of a base profile of example 1;
FIG. 2 is a sectional view of a reinforcing profile of example 1;
FIG. 3 is a cross-sectional view of a hollow spiral wound tube of example 1;
FIG. 4 is a sectional view of the base profile of example 2;
FIG. 5 is a sectional view of a reinforcing profile of example 2;
FIG. 6 is a cross-sectional view of a hollow spirally wound tube of example 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1:
a hollow spiral winding pipe, as shown in figures 1-3, comprises a pipe body formed by spirally winding and bonding a basic section bar 1; spirally wound in the same manner and fitted with a reinforcing section bar 2 bonded to the outer wall of the tubular body.
The basic section bar 1 is composed of a hollow cavity structure 13, two symmetrical bulges 12 are arranged on the upper surface of the basic section bar, the bulges 12 are in a right-angled trapezoid shape, and an inverted isosceles trapezoid first groove 11 is formed between the two bulges 12; the basic section bar 1 is spirally wound and is bonded by a melt adhesive layer 3 to form a pipe body.
One side of the reinforcing profile 2 has a scoop-like structure 21, the bottom of which scoop-like structure 21 is embedded in the first groove 11 of the base profile 1 when it is helically wound around the outer surface of the tube. The other side of the reinforcing section bar 2 is provided with a convex part 22, when the reinforcing section bar is spirally wound on the outer surface of the pipe body, the convex part 22 is downwards embedded into the upper side groove of the adjacent spoon-shaped structure 21 which is embedded previously;
the inner and outer surfaces of the helically wound tube remain flat.
Cross reinforcing ribs can be added in the hollow cavity of the basic section bar 1.
The utility model discloses a cavity spiral winding pipe owing to set up reinforcing section bar 2, and this section bar is individual layer structure, and the plastic material of all increases is few, and the key has increased the adhesive force between the basic section bar 1. When the hollow spiral winding pipe is buried underground, the pressure of the ground on the pipe body can be effectively released.
Example 2:
a hollow spiral winding pipe, as shown in fig. 4-6, comprises a pipe body formed by spirally winding and bonding a basic section bar 1; spirally wound in the same manner and fitted with a reinforcing section bar 2 bonded to the outer wall of the tubular body.
The basic section bar 1 is composed of a hollow cavity structure 13, two symmetrical bulges 12 are arranged on the upper surface of the basic section bar, the bulges 12 are isosceles trapezoids, and an inverted isosceles trapezoid first groove 11 is formed between the two bulges 12; the basic section bar 1 is spirally wound and is bonded by a melt adhesive layer 3 to form a pipe body; the projection between the adjacent base profiles 1 forms a second groove 14.
One side of the reinforcing section bar 2 is provided with a spoon-shaped structure 21, and when the reinforcing section bar is spirally wound on the outer surface of the pipe, the bottom of the spoon-shaped structure 21 is embedded into the first groove 11 of the base section bar 1; the other side of the reinforcing section bar 2 is provided with a convex part 22, when the reinforcing section bar is spirally wound on the outer surface of the pipe body, the convex part 22 is downwards embedded into the upper side groove of the adjacent spoon-shaped structure 21 which is embedded previously; the reinforcing section bar 2 is provided with a downward central protrusion 23 in the middle, which central protrusion 23 cooperates with the second groove 14 in the pipe body.
Claims (6)
1. A helically wound pipe comprising a base profile (1) and a reinforcing profile (2), characterized in that: the pipe body of the winding pipe is formed by spirally winding and bonding a basic section bar (1), and the reinforcing section bar (2) is embedded and bonded end to end in the same spiral winding mode and is bonded on the outer wall of the pipe body;
the basic section bar (1) is composed of a first groove (11), a protrusion (12) and a hollow cavity structure (13), wherein the first groove (11) is arranged in the middle of the upper surface of the hollow cavity structure (13); the protrusions (12) are trapezoidal, and an inverted isosceles trapezoid first groove (11) is formed between the two trapezoidal protrusions (12); the basic section (1) is spirally wound and is adhered by the melt adhesive layer (3) to form a pipe body;
one side of the reinforcing section bar (2) is provided with an upward spoon-shaped structure (21); the other side is provided with a downward convex part (22), the reinforcing section bar (2) is spirally wound on the outer surface of the pipe body, wherein the spoon-shaped structures (21) are downwards embedded into the first grooves (11) of the base section bar (1), and the convex part (22) is buckled on the upper side of the adjacent spoon-shaped structures (21).
2. A helically wound pipe according to claim 1, wherein: the trapezoid-shaped bulge (12) is in a right-angle trapezoid shape.
3. A helically wound pipe according to claim 1, wherein: the trapezoid-shaped bulge (12) is in an isosceles trapezoid shape.
4. A helically wound pipe according to claim 1, wherein: the two adjacent melting glue layers (3) of the hollow cavity structures and the two adjacent bulges (12) form an inverted isosceles trapezoid-shaped second groove (14).
5. A helically wound pipe according to claim 4, wherein: the middle of the reinforcing section bar (2) is also provided with a middle convex part (23) which is embedded with the second groove (14).
6. A helically wound pipe according to claim 1, wherein: and a cross reinforcing rib can be additionally arranged in the hollow cavity of the basic section (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120423554.8U CN214618260U (en) | 2021-02-26 | 2021-02-26 | Spiral winding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120423554.8U CN214618260U (en) | 2021-02-26 | 2021-02-26 | Spiral winding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214618260U true CN214618260U (en) | 2021-11-05 |
Family
ID=78391751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120423554.8U Active CN214618260U (en) | 2021-02-26 | 2021-02-26 | Spiral winding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214618260U (en) |
-
2021
- 2021-02-26 CN CN202120423554.8U patent/CN214618260U/en active Active
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