CN214618355U

CN214618355U - Double-wall corrugated pipe with flange solid wave crest

Info

Publication number: CN214618355U
Application number: CN202022906703.4U
Authority: CN
Inventors: 王�华; 周成立; 张阿柯
Original assignee: Kangmingyuan Jingshan New Material Technology Development Co ltd
Current assignee: Kangmingyuan Jingshan New Material Technology Development Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-11-05
Anticipated expiration: 2030-12-07

Abstract

The utility model provides a double-wall corrugated pipe with flange solid wave crests, which comprises a first double-wall corrugated pipe body and a second double-wall corrugated pipe body, the surfaces of the first double-wall corrugated pipe body and the second double-wall corrugated pipe body are provided with integrally formed wave crests from left to right in sequence, a flange solid wave crest A is arranged at the position of the first double-wall corrugated pipe body close to the second double-wall corrugated pipe body, a flange solid wave crest B is arranged at the position of the second double-wall corrugated pipe body close to the first double-wall corrugated pipe body, a plurality of pairs of connecting holes are axially arranged in the flange solid wave crest A and the flange solid wave crest B, the flange solid wave crest A and the flange solid wave crest B also comprise a plurality of threaded rods matched with the number of pairs of the connecting holes, the threaded rods penetrate through the connecting holes in the flange solid wave crest A and the flange solid wave crest B, and nuts are screwed down at two ends of the threaded rod to fixedly connect the first double-wall corrugated pipe body and the second double-wall corrugated pipe body. The utility model has the advantages of simple structure, connect conveniently, and pipeline joint strength is high, and sealing performance is good.

Description

Double-wall corrugated pipe with flange solid wave crest

Technical Field

The utility model belongs to double-walled bellows field, concretely relates to double-walled bellows with flange entity crest.

Background

The double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, and after development and improvement for more than ten years, the double-wall corrugated pipe is developed from a single variety to a complete product series, and the production process and the use technology are mature.

The traditional double-wall corrugated pipe generally adopts connection modes such as rubber ring connection, electric melting socket joint, heat shrinkable sleeve connection, electric melting belt connection and the like, but the connection modes have poor sealing performance and high construction environment requirements, and water is easy to seep out from the connection part of the double-wall corrugated pipe during water conveying, so that the double-wall corrugated pipe is not beneficial to use.

Therefore, there is a need to provide a new connection method for double-wall corrugated pipes to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a pair of double-walled bellows with flange entity crest, including first double-walled bellows body and the double-walled bellows body of second, its characterized in that: the corrugated pipe comprises a first double-wall corrugated pipe body and a second double-wall corrugated pipe body, wherein the surfaces of the first double-wall corrugated pipe body and the second double-wall corrugated pipe body are sequentially provided with integrally formed wave crests from left to right, wave troughs are formed between the wave crests, a flange entity wave crest A is arranged at a position, close to the second double-wall corrugated pipe body, of the first double-wall corrugated pipe body, a flange entity wave crest B is arranged at a position, close to the first double-wall corrugated pipe body, of the second double-wall corrugated pipe body, a plurality of pairs of connecting holes are axially formed in the flange entity wave crest A and the flange entity wave crest B, a plurality of threaded rods matched with the pairs of the connecting holes are further included, the threaded rods penetrate through the connecting holes in the flange entity wave crest A and the flange entity wave crest B, and are screwed down by nuts at two ends of the threaded rods to fixedly connect the first double-wall corrugated pipe body and the second double-wall corrugated pipe body.

Preferably, metal gaskets are further arranged at two ends of the threaded rod and located between the nut and the flange entity wave crest A and the flange entity wave crest B, counterbores are further formed in the side, close to the tail end of the threaded rod, of the flange entity wave crest A and the flange entity wave crest B, and the vertical surface of each counter bore is perpendicular to the threaded rod.

Preferably, a sealing gasket is arranged at the joint of the first double-wall corrugated pipe body and the second double-wall corrugated pipe body.

Preferably, the wave crest of the first double-wall corrugated pipe body, which is close to the flange solid wave crest a, and the wave crest of the second double-wall corrugated pipe body, which is close to the flange solid wave crest B, are both solid notched wave crests, that is, circular arc notches are formed in the solid wave crests.

Preferably, the wave crest of the first double-wall corrugated pipe body close to the flange solid wave crest a and the wave crest of the second double-wall corrugated pipe body close to the flange solid wave crest B are both solid short wave crests, and the height of each solid short wave crest is lower than that of the threaded rod.

The utility model provides a pair of double-walled bellows with flange entity crest has following beneficial effect:

1. through the cooperation of entity crest, connecting hole, threaded rod, convenient to use person connects first double-walled bellows body and the double-walled bellows body of second fast, has reduced the environmental requirement to the construction, has improved the bulk strength of first double-walled bellows body and the double-walled bellows body of second. The sealing performance is improved by the arranged sealing washer, the sealing performance can bear 0.15MPA water pressure, and water is prevented from leaking from the joint of the first double-wall corrugated pipe body and the second double-wall corrugated pipe body, so that zero leakage is caused at the joint of the first double-wall corrugated pipe body and the second double-wall corrugated pipe body, and the problem of poor sealing effect of the traditional double-wall corrugated pipe is solved.

2. Through the cooperation of metal gasket, the nut of being convenient for is screwed up fixedly to be favorable to improving the joint strength of first double-walled bellows body and the double-walled bellows body of second.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic structural view of example 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic structural view of example 3;

in the figure: 1. a first double-walled bellows body; 2. wave crest; 3. a trough of a wave; 4. a nut; 5. A metal gasket; 6. a flange solid wave crest A; 7. connecting holes; 8. a threaded rod; 9. a flange solid wave crest B; 10. a second double-walled bellows body; 11. a sealing gasket; 12. a counter bore; 13. a solid notched peak; 14. a solid short peak; 15. a circular arc notch.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Example 1:

as shown in FIGS. 1-2, a double-wall corrugated pipe with flange solid wave crests comprises a first double-wall corrugated pipe body (1) and a second double-wall corrugated pipe body (10), the surfaces of the first double-wall corrugated pipe body (1) and the second double-wall corrugated pipe body (10) are respectively provided with an integrally formed wave crest (2) (generally a hollow wave crest) from left to right in sequence, troughs (3) are arranged among the wave crests (2), flange solid wave crests A (6) are arranged at the position, close to the second double-wall corrugated pipe body (10), of the first double-wall corrugated pipe body (1), a flange solid wave crest B (9) is arranged at the position of the second double-wall corrugated pipe body (10) close to the first double-wall corrugated pipe body (1), all be equipped with a plurality of pairs of connecting hole (7) along the axial in flange entity crest A (6), flange entity crest B (9), the logarithm of connecting hole (7) is 6 pairs in this embodiment. Still include 6 threaded rods (8), 6 threaded rods (8) pass flange entity crest A (6), 6 pairs of connecting holes (7) in the flange entity crest B (9) in proper order to screw up with nut (4) at the both ends of threaded rod (8) and be used for fixed connection first double-walled bellows body (1) and second double-walled bellows body (10). The connection between the flange solid wave crest A (6) and the flange solid wave crest B (9) is similar to flange connection.

Meanwhile, a sealing gasket (11) is arranged at the joint of the first double-wall corrugated pipe body (1) and the second double-wall corrugated pipe body (10).

Meanwhile, metal gaskets (5) are further arranged at two ends of the threaded rod (8), and the metal gaskets (5) are located between the nut (4) and the flange entity wave crest A (6) and the flange entity wave crest B (9).

Example 2:

as shown in fig. 3 to 4, the difference between this embodiment and embodiment 1 is that counterbores (12) are further formed in the flange solid wave crest a (6) and the flange solid wave crest B (9) on the side close to the end of the threaded rod (8), and the vertical surface of each counterbore (12) is perpendicular to the threaded rod (8). The wave crest of the first double-wall corrugated pipe body (1) close to the flange solid wave crest A (6) and the wave crest of the second double-wall corrugated pipe body (10) close to the flange solid wave crest B (9) are solid notch wave crests (13), namely, the solid wave crests are provided with arc-shaped notches (15), and the lowest positions of the arc-shaped notches (15) are lower than the height of the nuts (4). The arc-shaped gap (15) is arranged, so that the nut (4) can be conveniently installed and screwed.

Example 3:

the difference between the present embodiment and embodiment 2 is that the wave crest of the first double-wall corrugated pipe body (1) close to the flange solid wave crest a (6) and the wave crest of the second double-wall corrugated pipe body (10) close to the flange solid wave crest B (9) are solid short wave crests (14), and the height of the solid short wave crests (14) is lower than the height of the highest point of the threaded rod (8). The provided solid short wave crest (14) is convenient for the installation and the screwing of the nut (4).

The above only is the embodiment of the present invention, not limiting the patent protection scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification and the attached drawings do, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. A double-walled bellows with flange solid crests, comprising a first double-walled bellows body and a second double-walled bellows body, characterized in that: the corrugated pipe comprises a first double-wall corrugated pipe body and a second double-wall corrugated pipe body, wherein the surfaces of the first double-wall corrugated pipe body and the second double-wall corrugated pipe body are sequentially provided with integrally formed wave crests from left to right, wave troughs are formed between the wave crests, a flange entity wave crest A is arranged at a position, close to the second double-wall corrugated pipe body, of the first double-wall corrugated pipe body, a flange entity wave crest B is arranged at a position, close to the first double-wall corrugated pipe body, of the second double-wall corrugated pipe body, a plurality of pairs of connecting holes are axially formed in the flange entity wave crest A and the flange entity wave crest B, a plurality of threaded rods matched with the pairs of the connecting holes are further included, the threaded rods penetrate through the connecting holes in the flange entity wave crest A and the flange entity wave crest B, and are screwed down by nuts at two ends of the threaded rods to fixedly connect the first double-wall corrugated pipe body and the second double-wall corrugated pipe body.

2. The double-wall corrugated pipe with the flange solid wave crests as claimed in claim 1, wherein metal gaskets are further arranged at two ends of the threaded rod, the metal gaskets are located between the nut and the flange solid wave crests A and B, counterbores are further formed in the sides, close to the ends of the threaded rod, of the flange solid wave crests A and B, and vertical surfaces of the counterbores are perpendicular to the threaded rod.

3. The double-wall corrugated pipe with flange solid peaks as claimed in claim 1 or 2, wherein the joint of the first double-wall corrugated pipe body and the second double-wall corrugated pipe body is provided with a sealing gasket.

4. The double-wall corrugated pipe with flange solid peaks as claimed in claim 1 or 2, wherein the peak of the first double-wall corrugated pipe body close to the flange solid peak A and the peak of the second double-wall corrugated pipe body close to the flange solid peak B are both solid notched peaks, i.e. circular arc notches are arranged on the solid peaks.

5. The double-walled corrugated pipe with flange solid peaks as claimed in claim 1 or 2, wherein the peak of the first double-walled corrugated pipe body near the flange solid peak a and the peak of the second double-walled corrugated pipe body near the flange solid peak B are solid short peaks, and the height of the solid short peaks is lower than that of the threaded rod.