CN211344270U - High elasticity HDPE bellows - Google Patents
High elasticity HDPE bellows Download PDFInfo
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- CN211344270U CN211344270U CN201922003682.2U CN201922003682U CN211344270U CN 211344270 U CN211344270 U CN 211344270U CN 201922003682 U CN201922003682 U CN 201922003682U CN 211344270 U CN211344270 U CN 211344270U
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Abstract
A high-elasticity HDPE corrugated pipe belongs to the technical field of corrugated pipes. Constitute major structure by interior pipe layer, elasticity gasbag intermediate level, elasticity outer wall layer three-layer complex, elasticity outer wall layer axial evenly spaced sets up a set of elasticity outer wall ring, elasticity gasbag intermediate level make by elastic material, elasticity gasbag intermediate level axial evenly spaced sets up a set of elasticity gasbag circle, elasticity gasbag circle comprises the elasticity gasbag that cyclic annular interval equipartition set up, corresponds on the elasticity outer wall layer inner wall and sets up a set of gasbag upper groove, corresponds on the interior pipe layer outer wall and sets up a set of gasbag low groove, each elasticity gasbag upper and lower part respectively with the gasbag upper groove that corresponds, the unsmooth elasticity scarf joint cooperation of gasbag low groove. The high-elasticity HDPE corrugated pipe greatly enhances the ring stiffness and the shock resistance of the pipe, so that the resistance of the pipe to soil load is enhanced; and the flexibility is increased, the toughness is enhanced, and the adaptability to the uneven settlement of the pipe base is strong.
Description
Technical Field
The utility model belongs to the technical field of the bellows, specifically be a high elasticity HDPE bellows.
Background
The high-density polyethylene (HDPE) corrugated pipe is a novel light pipe, has the characteristics of light weight, high pressure resistance, good toughness, fast construction, long service life and the like, and has an excellent pipe wall structure design, and compared with pipes with other structures, the cost is greatly reduced. Corrugated tubing has evolved and perfected over a decade from a single variety to a complete product line. And because the connection is convenient and reliable, the pipe is widely applied at home and abroad, can replace a large amount of concrete pipes and cast iron pipes, and is an ideal substitute for the traditional drainage and pollution discharge pipeline. But the external pressure resistance and the cracking resistance of the existing corrugated HDPE pipe are not strong enough, so that the resistance of the pipe to the soil load is reduced; and the axial flexibility is not strong, the toughness is not enough, and the influence of ground settlement can be caused sometimes.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to design and provide a technical scheme of a high-elasticity HDPE corrugated pipe, which has a unique structure, greatly enhances the ring stiffness of the pipe, and has strong shock resistance, thereby enhancing the resistance of the pipe to soil load; and the axial deflection is increased, the toughness is enhanced, the adaptability to the uneven settlement of the pipe base is strong, and a foundation is not needed under the condition of good soil quality.
A high elasticity HDPE bellows, its characterized in that constitutes the major structure by interior pipe layer, elasticity gasbag intermediate level, elasticity outer wall layer three-layer complex, elasticity outer wall layer axial evenly spaced sets up a set of elasticity outer wall ring, elasticity gasbag intermediate level make by elastic material, elasticity gasbag intermediate level axial evenly spaced sets up a set of elasticity gasbag circle, elasticity gasbag circle comprises the elasticity gasbag that cyclic annular interval equipartition set up, the interior pipe layer between each elasticity gasbag circle and the adjacent elasticity outer wall ring, elasticity outer wall layer contact surface position are corresponding, correspond on the elasticity outer wall layer inner wall and set up a set of gasbag upper groove, correspond on the interior pipe layer outer wall and set up a set of gasbag lower groove, each elasticity gasbag upper and lower part respectively with the gasbag upper groove that corresponds, the unsmooth elasticity scarf joint cooperation of gasbag lower groove.
The high-elasticity HDPE corrugated pipe is characterized in that the elastic air bag is of an oval or round hollow structure, and the upper groove of the air bag and the lower groove of the air bag are of semi-oval or semi-round structures correspondingly.
The high-elasticity HDPE corrugated pipe is characterized in that the inner side of each elastic outer wall ring is provided with an elastic hollow inner wall ring which is engaged with the elastic outer wall ring in a concave-convex mode, and a hollow circular pipe reinforcing rib is annularly arranged in a cavity of each elastic hollow inner wall ring.
The high-elasticity HDPE corrugated pipe is characterized in that at least one reinforcing rib is spirally wound on the outer surface of the elastic outer wall layer, the whole reinforcing rib is discontinuously arranged, each section of reinforcing rib is connected with the adjacent elastic outer wall ring, and the height of the reinforcing rib is lower than that of the elastic outer wall ring.
The high-elasticity HDPE corrugated pipe is characterized in that a group of tooth-shaped grooves are formed in the inner wall of the elastic outer wall ring, a group of tooth-shaped protrusions are correspondingly formed in the outer wall of the elastic hollow inner wall ring, and the elastic outer wall ring and the elastic hollow inner wall ring are meshed through the tooth-shaped grooves and the tooth-shaped protrusions in a concave-convex tooth shape.
According to the high-elasticity HDPE corrugated pipe, the elastic air bag middle layer is arranged, so that the ring stiffness of the pipe is greatly enhanced, the impact resistance is strong, and the resistance of the pipe to soil load is enhanced; and the axial deflection and the radial deflection are both increased, the toughness is enhanced, the adaptability to the uneven settlement of the pipe base is strong, and a foundation is not needed under the condition of good soil quality. Just the utility model discloses still optimize and set up chevron shape backup pad and strengthening rib, further promoted each item performance of HDPE bellows.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
in the figure: 1-elastic outer wall layer, 101-elastic outer wall ring, 101 a-tooth-shaped groove, 102-reinforcing rib, 103-hollow circular tube reinforcing rib, 104-air bag upper groove, 105-elastic hollow inner wall ring and 105 a-tooth-shaped bulge; 2-elastic air bag intermediate layer, 201-elastic air bag; 3-inner tubular layer, 301-lower groove of air bag.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the figure, this high elasticity HDPE bellows comprises inner round pipe layer 3, elasticity gasbag intermediate level 2, the compound major structure that constitutes of elasticity outer wall layer 1 three-layer, elasticity outer wall layer 1 axial evenly separates and sets up a set of elasticity outer wall ring 101, elasticity gasbag intermediate level 2 make by elastic material, elasticity gasbag intermediate level 2 axial evenly separates and sets up a set of elasticity gasbag circle, elasticity gasbag circle comprises the elasticity gasbag 201 that cyclic annular interval equipartition set up, inner round pipe layer 3 between each elasticity gasbag circle and the adjacent elasticity outer wall ring 101, elasticity outer wall layer 1 contact surface position is corresponding, correspond on the elasticity outer wall layer 1 inner wall and set up a set of gasbag upper groove 104, correspond on the inner round pipe layer 3 outer wall and set up a set of gasbag groove 301, the unsmooth elasticity scarf joint cooperation of gasbag upper groove 104, gasbag groove 301 that correspond respectively with each elasticity gasbag 201 upper groove 104, the lower part. By arranging the elastic air bag middle layer 2 and the elastic air bag 201, the overall elasticity of the corrugated pipe is obviously enhanced, the ring stiffness of the corrugated pipe is further enhanced, and the shock resistance of the corrugated pipe is strong, so that the resistance of the pipeline to soil load is enhanced; and the axial deflection and the radial deflection are both increased, the toughness is enhanced, the adaptability to the uneven settlement of the pipe base is strong, and a foundation is not needed under the condition of good soil quality.
Further, the elastic air bag 201 is of an oval or round hollow structure, and the air bag upper groove 104 and the air bag lower groove 301 are of a semi-oval or semi-round structure correspondingly; the elastic air bag 201 is of a hollow structure, the elasticity is more excellent, and the shape is semi-elliptical or semi-circular, so that the radial flexibility of the elastic air bag 201 is increased.
Furthermore, an elastic hollow inner wall ring 105 which is engaged with the elastic outer wall ring 101 in a concave-convex manner is arranged at the inner side of each elastic outer wall ring, and a hollow circular tube reinforcing rib 103 is annularly arranged in the cavity of each elastic hollow inner wall ring 105; specifically, a group of tooth-shaped grooves 101a are formed in the inner wall of the elastic outer-wall ring 101, a group of tooth-shaped protrusions 105a are correspondingly formed on the outer wall of the elastic hollow inner-wall ring 105, and the elastic outer-wall ring 101 and the elastic hollow inner-wall ring 105 are meshed through the tooth-shaped grooves 101a and the tooth-shaped protrusions 105a in a concave-convex tooth shape. The hollow circular tube reinforcing rib 103 completes the fixation of the upper and lower circular tube surfaces with the inner wall of the elastic hollow inner wall ring 105 and the upper surface of the elastic air bag intermediate layer 2 through an adhesive heating and curing process; the hollow circular tube reinforcing ribs 103 greatly improve the stability of wave crests and are beneficial to compression resistance and impact resistance. The utility model discloses a double-deck design of the unsmooth meshing of elasticity outer wall ring 101 and elasticity hollow inner wall ring 105 can make near the stress concentration dispersion that produces of two-layer contact surface, and reinforcing elasticity outer wall layer 1 overall structure's tensile strength has alleviateed the load of soil load to elasticity outer wall ring 101.
Further, at least one reinforcing rib 102 is spirally wound on the outer surface of the elastic outer wall layer 1, the whole reinforcing rib 102 is intermittently arranged, each section of reinforcing rib 102 is connected with the adjacent elastic outer wall ring 101, and the height of the reinforcing rib 102 is lower than that of the elastic outer wall ring 101. Two or more than two reinforcing ribs 102 can also be spirally wound on the outer surface of the elastic outer wall layer 1; each reinforcing rib 102 can be spirally wound in a forward direction or in a reverse direction; when a plurality of reinforcing ribs 102 are provided, the reinforcing ribs 102 may be arranged in order or in a random arrangement. The bottom of the reinforcing rib 102 can be tightly attached to the upper surface of the elastic air bag middle layer 2. The ribs 102 may also be raised upwardly so as not to be in direct contact with the upper surface of the resilient bladder intermediate layer 2. The utility model discloses a production line and the forming process of present conventionality are made, no longer describe here.
The above technical solutions describe the present invention in detail, but do not limit the scope of the present invention. It should be understood that any obvious alterations or substitutions to the present invention by those skilled in the art based on the teachings of the present invention should also be considered as the scope of the present invention.
Claims (5)
1. The utility model provides a high elasticity HDPE bellows, its characterized in that constitutes major structure by interior pipe layer (3), elasticity gasbag intermediate level (2), elasticity outer wall layer (1) three-layer complex, elasticity outer wall layer (1) axial evenly spaced sets up a set of elasticity outer wall ring (101), elasticity gasbag intermediate level (2) make by elastic material, elasticity gasbag intermediate level (2) axial evenly spaced sets up a set of elasticity gasbag circle, elasticity gasbag circle comprises elasticity gasbag (201) that cyclic annular interval equipartition set up, interior pipe layer (3) between each elasticity gasbag circle and adjacent elasticity outer wall ring (101), elasticity outer wall layer (1) contact surface position is corresponding, corresponds on elasticity outer wall layer (1) inner wall and sets up a set of gasbag upper groove (104), corresponds on interior pipe layer (3) outer wall and sets up a set of gasbag groove (301), each elasticity gasbag (201) upper and lower part respectively with the gasbag upper groove (104) that correspond, The lower groove (301) of the air bag is in concave-convex elastic scarf joint and matching.
2. A highly elastic HDPE corrugated pipe as claimed in claim 1, characterized in that said elastic bladder (201) is of oval or round hollow structure, and the upper bladder groove (104) and the lower bladder groove (301) are of semi-oval or semi-round structure.
3. A highly elastic HDPE corrugated pipe as claimed in claim 1, characterized in that inside each elastic outer wall ring (101) is provided with an elastic hollow inner wall ring (105) engaging with the inner wall of the concave-convex part, and the cavity of the elastic hollow inner wall ring (105) is provided with a hollow circular pipe reinforcing rib (103) annularly.
4. A highly elastic HDPE corrugated pipe as claimed in claim 1, characterized in that at least one rib (102) is spirally wound around the outer surface of the elastic outer wall layer (1), the whole rib (102) is intermittently arranged, each rib (102) is connected to the adjacent elastic outer wall ring (101), and the height of the rib (102) is lower than that of the elastic outer wall ring (101).
5. A highly elastic HDPE corrugated pipe according to claim 3, characterized in that the inner wall of the elastic outer wall ring (101) is provided with a set of tooth-shaped grooves (101 a), the outer wall of the elastic hollow inner wall ring (105) is correspondingly provided with a set of tooth-shaped protrusions (105 a), and the elastic outer wall ring (101) and the elastic hollow inner wall ring (105) are engaged by the tooth-shaped grooves (101 a) and the tooth-shaped protrusions (105 a) in a concavo-convex tooth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003682.2U CN211344270U (en) | 2019-11-19 | 2019-11-19 | High elasticity HDPE bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003682.2U CN211344270U (en) | 2019-11-19 | 2019-11-19 | High elasticity HDPE bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211344270U true CN211344270U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922003682.2U Active CN211344270U (en) | 2019-11-19 | 2019-11-19 | High elasticity HDPE bellows |
Country Status (1)
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|---|---|
| CN (1) | CN211344270U (en) |
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- 2019-11-19 CN CN201922003682.2U patent/CN211344270U/en active Active
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