CN214222303U - Flange connection double-wall corrugated pipe - Google Patents
Flange connection double-wall corrugated pipe Download PDFInfo
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- CN214222303U CN214222303U CN202022908526.3U CN202022908526U CN214222303U CN 214222303 U CN214222303 U CN 214222303U CN 202022908526 U CN202022908526 U CN 202022908526U CN 214222303 U CN214222303 U CN 214222303U
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- corrugated pipe
- wall corrugated
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Abstract
The utility model provides a flange connection double-wall corrugated pipe, which comprises a first double-wall corrugated pipe body, a second double-wall corrugated pipe body and a flange connection pipe, a 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 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, the flange connecting pipe is provided with a flange connecting ring A and a flange connecting ring B, the solid wave crest A and the flange connecting ring A are both provided with a plurality of pairs of connecting holes A along the axial direction, the solid wave crest B and the flange connecting ring B are both internally provided with a plurality of pairs of connecting holes B along the axial direction, and also comprise a threaded rod A and a threaded rod B, the threaded rod A is used for fixedly connecting the first double-wall corrugated pipe body and the flange connecting pipe, and the threaded rod B is used for fixedly connecting the second double-wall corrugated pipe body and the flange connecting pipe. The utility model has the advantages of simple structure, connect conveniently, and pipeline joint strength is high, and sealing performance is good.
Description
Technical Field
The utility model belongs to double-walled bellows field, concretely relates to flange joint double-walled bellows.
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 flange connection double-wall corrugated pipe, which comprises a first double-wall corrugated pipe body, a second double-wall corrugated pipe body and a flange connection pipe, 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 arranged between the wave crests, the first double-wall corrugated pipe body is provided with an entity wave crest A close to the second double-wall corrugated pipe body, the second double-wall corrugated pipe body is provided with an entity wave crest B close to the first double-wall corrugated pipe body, the flange connection pipe is provided with a flange connection ring A and a flange connection ring B, the entity wave crest A and the flange connection ring A are respectively provided with a plurality of pairs of connection holes A along the axial direction, the entity wave crest B and the flange connection ring B are respectively provided with a plurality of pairs of connection holes B along the axial direction, and the flange connection ring B further comprises a threaded rod A and a threaded rod B, the threaded rod A penetrates through the solid wave crest A and the connecting hole A in the flange connecting ring A, the two ends of the threaded rod A are screwed by nuts to be fixedly connected with the first double-wall corrugated pipe body and the flange connecting pipe, the threaded rod B penetrates through the solid wave crest B and the connecting hole B in the flange connecting ring B, and the two ends of the threaded rod B are screwed by nuts to be fixedly connected with the second double-wall corrugated pipe body and the flange connecting pipe.
Preferably, metal gaskets are further arranged at two ends of the threaded rods A and B.
Preferably, the cross section of the solid peak A and the solid peak B is square.
Preferably, the flange connecting pipe includes linkage segment A and linkage segment B, linkage segment A is located first double-walled bellows originally internally, linkage segment B is located second double-walled bellows originally internally, and first double-walled bellows body and flange connecting pipe junction to and flange connecting pipe and second double-walled bellows body junction all are equipped with the sealing washer.
Preferably, the wave crest of the first double-wall corrugated pipe body close to the solid wave crest a is a solid short wave crest a, the wave crest of the second double-wall corrugated pipe body close to the solid wave crest B is a solid short wave crest B, the height of the solid short wave crest a is lower than that of the threaded rod a, and the height of the solid short wave crest B is lower than that of the threaded rod B.
Preferably, the wave crest of the first double-wall corrugated pipe body close to the solid wave crest a and the wave crest of the second double-wall corrugated pipe body close to the solid wave crest B are both solid notched wave crests, that is, the solid wave crests are provided with circular arc notches.
The utility model has the advantages as follows:
1. utilize flange joint pipe, through the cooperation of entity crest, connecting hole, threaded rod, the installer of being convenient for connects first double-walled bellows body and the double-walled bellows body of second fast, has reduced the environmental requirement to the construction. The sealing ring improves the sealing performance, prevents water from leaking from the joint and solves the problem of poor sealing effect of the traditional double-wall corrugated pipe.
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 diagram of embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 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 solid peak A; 7. a connecting hole A; 8. a flange connecting ring A; 9. a threaded rod A; 10. A flange connecting ring B; 11. a connecting hole B; 12. a solid peak B; 13. a threaded rod B; 14. a solid notched peak; 15. a flange connecting pipe; 16. a seal ring; 17. a second double-walled bellows body; 18. a circular arc-shaped notch; 19. a solid short peak A; 20. the solid short peak B.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Example 1:
as shown in fig. 1-2, a flange connection double-wall corrugated pipe comprises a first double-wall corrugated pipe body and a second double-wall corrugated pipe body, and further comprises a flange connection pipe, 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 (the wave crests are generally hollow wave crests) from left to right, wave troughs are formed between the wave crests, the first double-wall corrugated pipe body is provided with a solid wave crest a near the second double-wall corrugated pipe body, the second double-wall corrugated pipe body is provided with a solid wave crest B near the first double-wall corrugated pipe body, the flange connection pipe is provided with a flange connection ring a and a flange connection ring B, the solid wave crest a and the flange connection ring a are respectively provided with a plurality of pairs of connection holes a along the axial direction, and a plurality of pairs of connection holes B are respectively arranged in the solid wave crest B and the flange connection ring B along the axial direction, the number of the threaded rods A is equal to the number of pairs of the connecting holes A, and the number of the threaded rods B is equal to the number of pairs of the connecting holes B. The threaded rod A sequentially penetrates through the solid wave crest A and each pair of connecting holes A in the flange connecting ring A, the two ends of the threaded rod A are screwed by nuts to be fixedly connected with the first double-wall corrugated pipe body and the flange connecting pipe, the threaded rod B sequentially penetrates through the solid wave crest B and each pair of connecting holes B in the flange connecting ring B, and the two ends of the threaded rod B are screwed by nuts to be fixedly connected with the second double-wall corrugated pipe body and the flange connecting pipe. The flange joint pipe includes linkage segment A and linkage segment B, linkage segment A is located first double-walled bellows originally internally, linkage segment B is located the second double-walled bellows originally internally, and first double-walled bellows body and flange joint union coupling department to and flange joint pipe and the second double-walled bellows body junction all are equipped with the sealing washer.
In this embodiment, metal gaskets are further arranged at two ends of the threaded rod a and the threaded rod B. And the cross sections of the solid wave crest A, the solid wave crest B, the flange connecting ring A and the flange connecting ring B are square.
The wave crest of the first double-wall corrugated pipe body, which is close to the solid wave crest A, and the wave crest of the second double-wall corrugated pipe body, which is close to the solid wave crest B, are both solid notched wave crests, namely, the solid wave crests are provided with arc-shaped notches, and the lowest positions of the arc-shaped notches are lower than the lowest positions of the nuts. The arc-shaped gap is arranged to facilitate the fixed installation of the threaded rod A and the threaded rod B.
During installation, the sealing ring is placed at the joint of the first double-wall corrugated pipe body and the flange connecting pipe, and then the connecting holes A in the entity wave crest A and the flange connecting ring A are aligned. And then, the installer inserts the threaded rod A into the connecting hole A to perform threaded connection, places the metal gasket outside the connecting hole at the moment, and then fixes the metal gasket and the threaded rod A by using a nut, so that the first double-wall corrugated pipe body and the flange connecting pipe are fixed. And fixing the flange connecting pipe and the second double-wall corrugated pipe body according to the same method.
Example 2:
as shown in fig. 3 to 4, the present embodiment is different from embodiment 1 in that the peak of the first double-wall corrugated tube body close to the solid peak a is a solid short peak a, the peaks of the second double-wall corrugated tube body close to the solid peak B are all solid short peaks B, the height of the solid short peak a is lower than the height of the highest point of the threaded rod a, and the height of the solid short peak B is lower than the height of the highest point of the threaded rod B.
The above only is the embodiment of the present invention, not limiting the patent protection scope of the present invention, all utilize the contents of the specification and the drawings to do simple equivalent replacement, 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 (6)
1. A flange joint double-walled bellows, includes first double-walled bellows body and second double-walled bellows body, its characterized in that: the corrugated pipe comprises a first double-wall corrugated pipe body and a second double-wall corrugated pipe body, and is characterized by further comprising a flange connecting pipe, 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 solid wave crest A is arranged at the position, close to the second double-wall corrugated pipe body, of the first double-wall corrugated pipe body, a solid wave crest B is arranged at the position, close to the first double-wall corrugated pipe body, of the second double-wall corrugated pipe body, a flange connecting ring A and a flange connecting ring B are arranged on the flange connecting pipe, a plurality of pairs of connecting holes A are axially arranged in the solid wave crest A and the flange connecting ring A, a plurality of pairs of connecting holes B are axially arranged in the solid wave crest B and the flange connecting ring B, the threaded rod A penetrates through the connecting holes A in the solid wave crest A and the flange connecting ring A, and nuts are screwed at two ends of the threaded rod A for fixedly connecting the first double-wall corrugated pipe body and the flange connecting pipe, and the threaded rod B penetrates through the solid wave crest B and the connecting hole B in the flange connecting ring B, and the two ends of the threaded rod B are screwed down by nuts to be fixedly connected with the second double-wall corrugated pipe body and the flange connecting pipe.
2. A flanged double-wall corrugated pipe as claimed in claim 1, wherein the threaded rods A and B are provided with metal washers at both ends.
3. A flanged double wall corrugated pipe according to claim 1, wherein the solid peaks A, B are square in cross-section.
4. A flanged double-wall corrugated pipe according to any one of claims 1-3, wherein the flanged connection pipe comprises a connection section A and a connection section B, the connection section A is located in the first double-wall corrugated pipe body, the connection section B is located in the second double-wall corrugated pipe body, and the connection between the first double-wall corrugated pipe body and the flanged connection pipe and the connection between the flanged connection pipe and the second double-wall corrugated pipe body are provided with sealing rings.
5. A flanged double-walled corrugated pipe as claimed in any one of claims 1 to 3, wherein the one of the first double-walled corrugated pipe body adjacent to the solid peak A is a solid short peak A, the one of the second double-walled corrugated pipe body adjacent to the solid peak B is a solid short peak B, the height of the solid short peak A is lower than that of the threaded rod A, and the height of the solid short peak B is lower than that of the threaded rod B.
6. A flanged double-wall corrugated pipe according to any one of claims 1 to 3, wherein the first double-wall corrugated pipe body has a peak near the solid peak A, and the second double-wall corrugated pipe body has a peak near the solid peak B, both of which are solid notched peaks, i.e. circular arc notches are formed in the solid peaks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022908526.3U CN214222303U (en) | 2020-12-07 | 2020-12-07 | Flange connection double-wall corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022908526.3U CN214222303U (en) | 2020-12-07 | 2020-12-07 | Flange connection double-wall corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214222303U true CN214222303U (en) | 2021-09-17 |
Family
ID=77700902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022908526.3U Active CN214222303U (en) | 2020-12-07 | 2020-12-07 | Flange connection double-wall corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214222303U (en) |
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2020
- 2020-12-07 CN CN202022908526.3U patent/CN214222303U/en active Active
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