CN214662574U - Wall bushing sealing structure - Google Patents
Wall bushing sealing structure Download PDFInfo
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- CN214662574U CN214662574U CN202023300708.9U CN202023300708U CN214662574U CN 214662574 U CN214662574 U CN 214662574U CN 202023300708 U CN202023300708 U CN 202023300708U CN 214662574 U CN214662574 U CN 214662574U
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Abstract
A wall bushing sealing structure belongs to the technical field of sealing modes between auxiliary structures of water supply and drainage pipelines and pipelines, and comprises a wall bushing sleeved on a pipeline. A flexible cushion layer is arranged between the inner wall of the wall bushing and the outer wall of the pipeline. The wall bushing is partially positioned within the wall body and partially positioned outside thereof. The flexible underlayment is located partially within the wall body and partially outside thereof. The wall bushing is arranged on the outer wall of the outer side, and a waterproof structure layer is arranged from the end part of the outer side of the flexible cushion layer to the outer wall of the pipeline. And a water stop ring is fixedly sleeved on the outer wall of the wall bushing. The water stop ring is fixed in the wall body. The waterproof structure layer can be a polyethylene heat-shrinkable tape layer. The flexible cushion layer can be a polyurethane foam layer or a rubber foam layer. The waterproof structure layer can be externally provided with a reinforced structure layer. The reinforcing structure layer can be a resin and glass cloth layer or a polyurea and carbon fiber layer. The sealing structure is a complete sealing structure, the structure is reasonable and compact, the sealing structure is reliable and safe, the construction is convenient, the gap treatment scheme has anti-leakage, the requirement on the installation position is low, and the sealing structure can adapt to pipeline settlement.
Description
Technical Field
The utility model relates to a be applied to the sealing form technical field between the affiliated structures of water supply and drainage pipe and the pipeline, especially relate to a wall bushing seal structure, can be used to the concrete well body and wear the sealing between wall bushing and the pipeline.
Background
Concrete valve wells or inspection wells are generally required to be arranged on long-distance water distribution or municipal water supply and drainage pipelines, and when the pipelines penetrate through corresponding well bodies, pre-buried wall-penetrating sleeves are required to be arranged on the well bodies for reinforcing and sealing the pipelines penetrating through the well bodies.
A large gap exists between the wall bushing which is not subjected to sealing and waterproof treatment after the pipeline construction and the pipeline, so that underground water is easy to flow back into a well body to cause pollution, and the normal operation and maintenance of equipment are influenced.
At present, the gaps between the inlet pipelines and the wall bushing are mostly filled with flexible materials for sealing in engineering. Since the packing material has poor aging resistance and it is difficult to provide good elastic packing for a long time, the sealing property will gradually fail.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wall bushing seal structure, rational in infrastructure, compact, reliable safety, construction convenience, the gap treatment scheme between wall bushing and the pipeline possesses the antiseep, requires lowly and can adapt to one set of complete seal structure that the pipeline subsides to the mounted position.
The technical scheme is as follows:
a sealing structure of a wall bushing is provided with the wall bushing sleeved on a pipeline.
The technical key points are as follows:
and a flexible cushion layer is arranged between the inner wall of the wall bushing and the outer wall of the pipeline.
One part of the wall bushing is positioned in the wall body, and the other part of the wall bushing is positioned outside the wall body.
The flexible cushion layer is partially positioned in the wall body and partially positioned outside the wall body.
And a waterproof structure layer is arranged from the part of the outer wall of the wall bushing outside the wall body to the outer wall of the pipeline, and the part of the end part of the flexible cushion layer outside the wall body.
And a water stop ring is fixedly sleeved on the outer wall of the wall bushing. The water stop ring is fixed in the wall body.
The waterproof structure layer can be a polyethylene heat-shrinkable tape layer.
The flexible cushion layer can be a polyurethane foam layer or a rubber foam layer.
The waterproof structure layer can be provided with a reinforced structure layer.
The reinforcing structure layer can be a resin and glass cloth layer or a polyurea and carbon fiber layer.
The advantages are that:
the sealing structure is a complete sealing structure, and has the advantages of reasonable and compact structure, reliability, safety and convenient construction, and the gap treatment scheme between the wall bushing and the pipeline has the advantages of leakage prevention, low requirement on the installation position and adaptability to pipeline settlement.
The sealing structure has the advantage of more compact sealing layer, and is more convenient to construct, more compact in structure, controllable in quality and suitable for settlement due to the adoption of external construction.
Drawings
Fig. 1 is the whole schematic diagram of the utility model matched with a concrete well body.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
The wall-penetrating casing pipe comprises a wall-penetrating casing pipe 1, a water stop ring 2, a waterproof structure layer 3, a reinforcing structure layer 4, a flexible cushion layer 5, a concrete well body 6, a pipeline 7 and a wall body 8.
Detailed Description
Example 1
A wall bushing sealing structure is provided with a wall bushing 1 sleeved on a pipeline 7.
The outer wall of the wall bushing 1 is fixedly sleeved with a water stop ring 2.
A flexible cushion layer 5 is arranged between the inner wall of the wall bushing 1 and the outer wall of the pipeline 7.
The wall bushing 1 is partially positioned in the wall 8 of the concrete well 6 and partially positioned outside the wall 8 of the concrete well 6.
The flexible cushion layer 5 is partially positioned in the wall 8 of the concrete well body 6 and partially positioned outside the wall 8 of the concrete well body 6.
The outer wall of the part of the wall bushing 1, which is positioned outside the wall body 8, and the end part of the flexible cushion layer 5, which is positioned outside the wall body 8, to the outer wall of the pipeline 7 are provided with waterproof structure layers 3.
The waterproof structure layer 3 extends from the outer wall of the wall bushing 1 to the outer wall of the pipeline 7 to form a reduced reducing cylinder.
The outer wall of the waterproof structure layer 3 is provided with a reinforced structure layer 4.
The area of the cylindrical reinforcing structure layer 4 covering the outer walls of the wall bushing 1, the flexible cushion layer 5 and the pipeline 7 is larger than the area of the waterproof structure layer 3 covering the outer walls of the wall bushing 1, the flexible cushion layer 5 and the pipeline 7 (the waterproof structure layer 3 is completely covered by the reinforcing structure layer 4).
The cylindrical reinforcing structure layer 4 is also formed into a similar reducing cylinder which is reduced to the outside.
The wall bushing 1 is made of metal, and may be steel.
The water stop ring 2 is made of metal, and can be specifically made of steel.
The water stop ring 2 is fixed in a wall body 8 of the concrete well body 6.
The waterproof structure layer 3 is a polyethylene heat-shrinkable tape layer.
The reinforcing structure layer 4 is a resin and glass cloth layer.
The flexible cushion layer 5 is a polyurethane foam layer.
Working principle and structural embodiment
The pipeline 7 passes through the radial direction of the concrete well body 6, and a set of wall bushing sealing structure is arranged at the passing positions of the two sides.
1. The wall bushing 1 extends to the outside of the wall body 8 for a certain length, and waterproof material construction can be performed outside the wall bushing 1. The wall bushing 1 and the water stop ring 2 are made of metal materials, and the water stop ring 2 and the wall bushing 1 are welded.
2. The wall bushing 1 and the water stop ring 2 are built or poured with the wall body 8 into a whole.
3. The outer wall of the wall bushing 1 and the outer wall of the pipeline 7 extending out of the wall body 8 are wound with waterproof structural materials, polyethylene heat-shrinkable tapes are generally adopted, and the waterproof structural materials are bonded on the outer walls of the wall bushing 1 and the pipeline 7 after being baked and heated so as to be sealed and watertight, so that the waterproof structural layer 3 is formed.
4. Reinforcing structural materials are applied to the outer wall of the wall bushing 1, the outer surface of the waterproof structural layer 3 and the outer wall of the pipeline 7 extending out of the wall body 8, composite materials such as resin, glass cloth or polyurea, carbon fiber and the like are generally adopted, and the reinforcing materials (the reinforcing structural layer 4) and the waterproof materials (the waterproof structural layer 3) completely seal a gap between the wall bushing 1 and the pipeline 7.
5. The space formed by the outer wall of the pipeline 7, the inner wall of the wall bushing 1 and the polyethylene heat-shrinkable belt (the waterproof structure layer 3) is filled with a flexible cushion layer material, the flexible cushion layer 5 material is polyurethane foam or rubber foam, and the flexible cushion layer 5 is implemented after the reinforced structure material (the reinforced structure layer 4) reaches a certain strength. The flexible cushion layer 5 can be adapted to the sedimentation of the pipeline 7, and can also resist the external soil (water) pressure to protect the waterproof material and the reinforcing structure material from being damaged by the external soil (water) pressure.
Example 2
Example 2 is substantially the same as example 1 except that:
the reinforcing structure layer 4 is a polyurea carbon fiber layer.
The flexible cushion layer 5 is a rubber foaming layer.
Claims (10)
1. A wall bushing sealing structure is provided with a wall bushing (1) sleeved on a pipeline (7); the method is characterized in that:
a flexible cushion layer (5) is arranged between the inner wall of the wall bushing (1) and the outer wall of the pipeline (7);
one part of the wall bushing (1) is positioned in the wall body (8), and the other part of the wall bushing is positioned outside the wall body (8);
one part of the flexible cushion layer (5) is positioned in the wall body (8), and the other part of the flexible cushion layer is positioned outside the wall body (8);
the outer wall of the part of the wall bushing (1) outside the wall body (8) and the end part of the flexible cushion layer (5) outside the wall body (8) to the outer wall of the pipeline (7) are provided with waterproof structure layers (3).
2. A wall bushing seal according to claim 1, wherein:
a water stop ring (2) is fixedly sleeved on the outer wall of the wall bushing (1); the water stop ring (2) is fixed in the wall body (8).
3. A wall bushing seal according to claim 2, wherein:
the water stop ring (2) is made of metal.
4. A wall bushing seal structure according to claim 3, wherein:
the metal is steel.
5. A wall bushing seal according to claim 1, wherein:
the waterproof structure layer (3) is a polyethylene heat-shrinkable belt layer.
6. A wall bushing seal according to claim 1, wherein:
the flexible cushion layer (5) is a polyurethane foam layer or a rubber foam layer.
7. A wall bushing seal according to claim 1, wherein:
a reinforced structure layer (4) is arranged outside the waterproof structure layer (3).
8. A wall bushing seal according to claim 7, wherein:
the reinforcing structure layer (4) is a resin and glass cloth layer or a polyurea and carbon fiber layer.
9. A wall bushing seal according to claim 1, wherein:
the wall bushing (1) is made of metal.
10. A wall bushing seal according to claim 9, wherein:
the metal is steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300708.9U CN214662574U (en) | 2020-12-31 | 2020-12-31 | Wall bushing sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300708.9U CN214662574U (en) | 2020-12-31 | 2020-12-31 | Wall bushing sealing structure |
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| Publication Number | Publication Date |
|---|---|
| CN214662574U true CN214662574U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023300708.9U Active CN214662574U (en) | 2020-12-31 | 2020-12-31 | Wall bushing sealing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165648A (en) * | 2021-12-16 | 2022-03-11 | 天津港航工程有限公司 | Spiral corrugated pipe with steel adapter and construction method thereof |
-
2020
- 2020-12-31 CN CN202023300708.9U patent/CN214662574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165648A (en) * | 2021-12-16 | 2022-03-11 | 天津港航工程有限公司 | Spiral corrugated pipe with steel adapter and construction method thereof |
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