CN212156119U - Double-walled bellows for municipal administration blowdown - Google Patents
Double-walled bellows for municipal administration blowdown Download PDFInfo
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- CN212156119U CN212156119U CN202020556215.2U CN202020556215U CN212156119U CN 212156119 U CN212156119 U CN 212156119U CN 202020556215 U CN202020556215 U CN 202020556215U CN 212156119 U CN212156119 U CN 212156119U
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Abstract
The utility model discloses a double-walled bellows is used in municipal administration blowdown, including inner tube and adapter, the surface of inner tube is provided with the bonding resin layer, and the upper end on bonding resin layer bonds and has outer bellows, the surface of the inboard inner tube on bonding resin layer is provided with first strengthening rib, and the inboard of outer bellows is provided with the second strengthening rib, and the inboard packing of cavity of outer bellows has polypropylene plastics foaming to pack. This kind of double-walled bellows for municipal administration blowdown, outer bellows table pass through rubber layer, second strengthening rib and polypropylene plastics foaming filler and improve its compressive damping capacity, and outer bellows has the inner tube through bonding resin layer bonding, and the surface of inner tube has first strengthening rib through bonding resin layer bonding, has strengthened the compressive strength of inner tube through first strengthening rib, and the inner tube surface bonds through bonding resin layer has outer bellows to this compressive strength who improves double-walled bellows.
Description
Technical Field
The utility model relates to a bellows technical field specifically is a double-walled bellows is used in municipal administration blowdown.
Background
The corrugated pipe is a cylindrical thin-wall corrugated shell with a plurality of transverse corrugations, has elasticity, and allows large deformation under the action of axial force, transverse force and bending moment due to the characteristics of the geometric shape of the corrugated pipe. Compared with a smooth light pipe, the composite material has the advantages of enough strength, larger flexibility and high fatigue resistance under the action of cyclic stress.
The common corrugated pipe has poor external force impact resistance and limited compressive strength, when a pipeline is constructed, the corrugated pipe is easy to dent after being rolled after being covered with soil, and the normal reduction of pollution discharge and drainage of the pipeline is influenced; and the pipeline construction usually has a lot of bellows that cut off the use, and these bellows that cut off lead to the phenomenon that joint dislocation is connected not closely to take place to leak easily because lack corresponding sealing connection structure when the concatenation is used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-walled bellows is used in municipal administration blowdown to solve the poor problem of double-walled bellows compressive strength.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-walled bellows for municipal administration blowdown, includes inner tube and pipe connector, the surface of inner tube is provided with the bonding resin layer, the upper end of bonding resin layer bonds there is outer bellows, the surface of the inboard inner tube of bonding resin layer is provided with first strengthening rib, the inboard of outer bellows is provided with the second strengthening rib, the inboard packing of cavity of outer bellows has polypropylene plastics foaming filler.
Preferably, the inner side of the pipe connector is inserted with an outer corrugated pipe and an inner pipe, the surface of the inner side of the pipe connector is provided with an adhesive layer, the surface of the adhesive layer is adhered with the inner wall of the inner pipe, the surface of the pipe connector is symmetrically provided with sealing gaskets, and the surface of the sealing gaskets is abutted to the side surfaces of the outer corrugated pipe and the inner pipe.
Preferably, the surface of the outer corrugated pipe is provided with a rubber layer, and the surface of the rubber layer is abutted with the pipe connector.
Preferably, the pipe connector is made of engineering plastics.
Compared with the prior art, the beneficial effects of the utility model are that: according to the double-wall corrugated pipe for municipal sewage disposal, firstly, the compression-resistant buffering capacity of the outer corrugated pipe is improved through the rubber layer, the second reinforcing ribs and the polypropylene plastic foaming filler, the first reinforcing ribs are bonded on the surface of the inner pipe through the bonding resin layer, the compression-resistant strength of the inner pipe is enhanced through the first reinforcing ribs, and the outer corrugated pipe is bonded on the surface of the inner pipe through the bonding resin layer, so that the compression-resistant strength of the double-wall corrugated pipe is improved; and secondly, when the middle cut-off part of the double-wall corrugated pipe is connected, the inner side of the inner pipe is inserted through the pipe connector and is clamped on the surface of the outer corrugated pipe, the inner wall of the inner pipe is bonded through the bonding layer for fixing, the side surfaces of the inner pipe and the outer corrugated pipe are abutted to the sealing gasket, and the rubber layer on the surface of the outer corrugated pipe is abutted to the inner wall of the pipe connector to complete the connection and sealing between the double-wall corrugated pipes.
Drawings
Fig. 1 is a sectional view of the overall structure of the present invention.
In the figure: 1 inner tube, 2 outer bellows, 3 rubber layer, 4 polypropylene plastic foaming filler, 5 second strengthening rib, 6 pipe connector, 7 adhesive layer, 8 sealing gasket, 9 first strengthening rib, 10 adhesive resin layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a double-wall corrugated pipe for municipal sewage disposal comprises an inner pipe 1 and a pipe connector 6, wherein the surface of the inner pipe 1 is provided with a bonding resin layer 10, the bonding resin layer 10 has high-strength bonding property, the upper end of the bonding resin layer 10 is bonded with an outer corrugated pipe 2, the outer corrugated pipe 2 is bonded with the inner corrugated pipe 2 through the bonding resin layer 10 to enable the outer corrugated pipe 2 and the inner pipe 1 to be tightly connected into a whole, the surface of the inner pipe 1 on the inner side of the bonding resin layer 10 is provided with a first reinforcing rib 9, the first reinforcing rib 9 is bonded with the surface of the inner pipe 1 through the bonding resin layer 10 to improve the compressive strength of the inner pipe 1, the first reinforcing rib 9 and a second reinforcing rib 5 are arranged in a circular ring shape, the inner side of the outer corrugated pipe 2 is provided with a second reinforcing rib 5 to improve the compressive strength of the outer corrugated pipe 2, the cavity inner side of, the polypropylene plastic foaming filler 4 is filled inside the cavity of the outer corrugated pipe 2 to improve the buffering capacity of the outer corrugated pipe 2.
Referring to fig. 1, an outer corrugated pipe 2 and an inner pipe 1 are inserted into the inner side of a pipe connector 6, the pipe connector 6 is inserted into the inner side of the inner pipe 1 and is clamped on the surface of the outer corrugated pipe 2 to connect and limit the inner pipe 1 and the outer corrugated pipe 2, an adhesive layer 7 is arranged on the surface of the inner side of the pipe connector 6, the inner wall of the inner pipe 1 is bonded on the surface of the adhesive layer 7, the inner wall of the inner pipe 1 is bonded through the adhesive layer 7 to complete the connection and positioning between the pipe connector 6 and a double-wall corrugated pipe, water can be effectively prevented from leaking outwards from the joint of the double-wall corrugated pipe through the adhesive layer 7, sealing gaskets 8 are symmetrically arranged on the surface of the pipe connector 6, the surfaces of the sealing gaskets 8 are abutted to the side surfaces of the outer corrugated pipe 2 and the inner pipe 1, and the joint of the double-.
Referring to fig. 1, a rubber layer 3 is disposed on the surface of the outer bellows 2, a pipe connector 6 is abutted on the surface of the rubber layer 3, the rubber layer 3 can improve the buffering capacity of the surface of the outer bellows 2, and the rubber layer 3 is abutted on the inner wall of the pipe connector 6 to seal and waterproof the joint of the double-wall bellows.
Referring to fig. 1, the pipe connector 6 is made of engineering plastics, and compared with general plastics, the pipe connector 6 is made of engineering plastics, which can meet higher requirements in terms of mechanical properties, durability, corrosion resistance, heat resistance, and the like, and the strength of the joint of the double-wall corrugated pipe can be improved by the material problem of the pipe connector 6.
The utility model discloses when concrete implementation: because the surface of the outer corrugated pipe 2 is provided with the rubber layer 3, the inner side of the outer corrugated pipe 2 is provided with the second reinforcing rib 5, and the cavity of the outer corrugated pipe 2 is filled with the polypropylene plastic foam filler 4, the anti-buffering capacity of the outer corrugated pipe 2 is improved through the rubber layer 3 and the polypropylene plastic foam filler 4, the pressure resistance of the outer corrugated pipe 2 can be improved through the second reinforcing rib 5, the surface of the inner pipe 1 is bonded with the first reinforcing rib 9 through the bonding resin layer 10, the pressure resistance of the inner pipe 1 is enhanced through the first reinforcing rib 9, the surface of the inner pipe 1 is bonded with the outer corrugated pipe 2 through the bonding resin layer 10, the outer corrugated pipe 2 is connected with the inner pipe 1 more tightly through the bonding resin layer 10, and the pressure resistance of the double-wall corrugated pipe is improved; when the truncation department connects in the middle of the double-walled bellows, insert the inboard of inner tube 1 through pipe connector 6, the joint accomplishes the spacing connection of truncation department on the surface of outer bellows 2, because the adhesive linkage 7 that pipe connector 6 surface set up bonds and has inner tube 1 inner wall, it makes the connection of double-walled bellows junction inseparabler and can prevent the infiltration of double-walled bellows junction through adhesive linkage 7 to bond inner tube 1 inner wall through adhesive linkage 7, the sealed pad 8 butt that pipe connector 6 inner wall set up has the side of inner tube 1 and outer bellows 2, pipe connector 6 joint has rubber layer 3 in the part butt on outer bellows 2 surface, the leakproofness of double-walled bellows junction has been strengthened through the side butt sealed pad 8 of inner tube 1 and outer bellows 2 and rubber layer 3 butt pipe connector 6 inner wall, with this phenomenon that prevents that the dislocation of double-walled bellows junction from leaking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a double-walled bellows is used in municipal administration blowdown, includes inner tube (1) and adapter (6), its characterized in that: the surface of inner tube (1) is provided with bonding resin layer (10), the upper end of bonding resin layer (10) bonds has outer bellows (2), the surface of the inboard inner tube (1) of bonding resin layer (10) is provided with first strengthening rib (9), the inboard of outer bellows (2) is provided with second strengthening rib (5), the inboard packing of cavity of outer bellows (2) has polypropylene plastics foaming filler (4).
2. The double-walled corrugated pipe for municipal sewage according to claim 1, wherein: the inner side of the pipe connector (6) is spliced with an outer corrugated pipe (2) and an inner pipe (1), the inner side surface of the pipe connector (6) is provided with an adhesive layer (7), the surface of the adhesive layer (7) is bonded with the inner wall of the inner pipe (1), the surface of the pipe connector (6) is symmetrically provided with a sealing gasket (8), and the surface of the sealing gasket (8) is abutted to the side surface of the outer corrugated pipe (2) and the inner pipe (1).
3. The double-walled corrugated pipe for municipal sewage according to claim 1, wherein: the surface of the outer corrugated pipe (2) is provided with a rubber layer (3), and the surface of the rubber layer (3) is abutted with a pipe connector (6).
4. The double-walled corrugated pipe for municipal sewage according to claim 1, wherein: the pipe connector (6) is made of engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020556215.2U CN212156119U (en) | 2020-04-15 | 2020-04-15 | Double-walled bellows for municipal administration blowdown |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020556215.2U CN212156119U (en) | 2020-04-15 | 2020-04-15 | Double-walled bellows for municipal administration blowdown |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212156119U true CN212156119U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020556215.2U Active CN212156119U (en) | 2020-04-15 | 2020-04-15 | Double-walled bellows for municipal administration blowdown |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212156119U (en) |
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2020
- 2020-04-15 CN CN202020556215.2U patent/CN212156119U/en active Active
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