CN220551614U - Plastic pipe double-pipe structure - Google Patents
Plastic pipe double-pipe structure Download PDFInfo
- Publication number
- CN220551614U CN220551614U CN202322329175.4U CN202322329175U CN220551614U CN 220551614 U CN220551614 U CN 220551614U CN 202322329175 U CN202322329175 U CN 202322329175U CN 220551614 U CN220551614 U CN 220551614U
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- Prior art keywords
- tube
- outer tube
- plastic
- pipe
- double
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- 239000004033 plastic Substances 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 18
- 239000011241 protective layer Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a plastic pipe double-pipe structure, and belongs to the technical field of plastic pipes; comprises an outer tube, wherein an inner tube is arranged in the outer tube; a partition plate fixedly connected with the outer tube is fixedly connected to the inner tube, and separates the space between the inner tube and the outer tube into a sealed storage groove; fire extinguishing liquid is arranged in the storage tank; the outer tube is provided with a discharge hole communicated with the storage tank, and a flammable block is arranged in the discharge hole. The utility model provides a be convenient for store fire extinguishing liquid through the double-barrelled structure that sets up inner tube and outer tube to set up inflammable block and can derive fire extinguishing liquid rapidly when the conflagration breaks out, thereby put out a fire to the plastic tubing, can solve current plastic tubing and can only prevent fires and have the problem of fire extinguishing function not.
Description
Technical Field
The utility model provides a double-pipe structure of a plastic pipe, and belongs to the technical field of plastic pipes.
Background
Plastic pipes are generally manufactured by extrusion processing of synthetic resins, i.e. polyesters, as raw materials, with the addition of stabilizers, lubricants, plasticizers, etc. in a "plastic" manner in a pipe making machine. Under some high-temperature use scenes, a fireproof plastic pipe is often needed to be used, and the existing fireproof plastic pipe is fireproof through outer surface spraying, so that the fireproof effect is poor.
To above-mentioned problem, publication number CN213145628U discloses an improved generation plastic tubing that prevents fires, including the plastic tubing inlayer, the surface parcel of plastic tubing inlayer has the filling layer, the surface of filling layer is provided with liquid flame retardant coating, the surface parcel of liquid flame retardant coating has the coating, the cistern has been seted up to the inside of liquid flame retardant coating, the liquid injection hole has been seted up in the surface link up of coating, the inside of liquid flame retardant coating has the backup pad to face the position department welding of feed liquor groove.
The application stores circulating liquid through a double-layer plastic pipe structure with the inner layer of the plastic pipe, and sets filled fireproof cotton felt materials for fireproof and heat insulation; although the fire-proof effect can be achieved, the fire-proof device can only passively prevent fire and cannot actively extinguish fire; the disadvantage of passive fire protection is that the material has a fire protection life, and when the burning time is too long, the fire protection performance is gradually reduced; the active fire extinguishing can extinguish the fire when the fire is started, so that the duration of the fire is long, and the fire-proof effect of the active fire extinguishing are different; in many cases, the fire is slowly burned, and if the plastic pipe is extinguished at the beginning, it is far more effective than increasing the fire resistance of the plastic pipe, so that there is a need for a plastic pipe that can be conveniently extinguished.
Disclosure of Invention
According to the double-pipe structure of the plastic pipe, the double-pipe structure of the inner pipe and the outer pipe is arranged, so that the fire extinguishing liquid can be conveniently stored, and the inflammable blocks are arranged, so that the fire extinguishing liquid can be rapidly led out when a fire disaster occurs, the problem that the existing plastic pipe can only prevent fire and has no fire extinguishing function can be solved.
In order to solve the problems, the technical scheme provided by the utility model is as follows: the double-pipe structure of the plastic pipe comprises an outer pipe, wherein an inner pipe is arranged in the outer pipe; a partition plate fixedly connected with the outer tube is fixedly connected to the inner tube, and separates the space between the inner tube and the outer tube into a sealed storage groove; fire extinguishing liquid is arranged in the storage tank; the outer tube is provided with a discharge hole communicated with the storage tank, and a flammable block is arranged in the discharge hole.
As an improvement, the outer tube is provided with a liquid inlet hole communicated with the storage tank, and the liquid inlet Kong Naluo is connected with a screw plug.
As an improvement, a first countersunk hole communicated with the liquid inlet hole is formed in the outer tube, and the screw plug is positioned in the first countersunk hole.
As an improvement, a second countersunk head hole communicated with the outflow hole is formed in the outer tube, and a sealing block for completely blocking the outflow hole is arranged in the second countersunk head; the sealing block is fixedly connected with the outer tube in an adhesion manner, and the sealing block and the inflammable block are made of the same inflammable material.
As an improvement, an outer protective layer for blocking the second counter bore is arranged on the outer tube; the outer protective layer is sequentially provided with a reinforcing layer and an outer fireproof layer from outside to inside.
As an improvement, an inner fireproof layer is arranged on the inner pipe.
The utility model has the beneficial effects that:
an inner pipe is arranged in the outer pipe, and a partition plate divides the space between the inner pipe and the outer pipe into a sealed storage tank; compared with the prior art, the space between the inner tube and the outer tube is divided into a plurality of sections of sealed storage tanks by the partition plates, so that the fire extinguishing liquid can be stored conveniently; the outer tube is provided with a discharge hole communicated with the storage tank, and a flammable block is arranged in the discharge hole; the setting of inflammable block can burn up when the conflagration is out to can make the fire extinguishing liquid in the holding tank flow out from the outflow hole and put out a fire to the plastic tubing, can solve current plastic tubing and can only prevent fires and not have the problem of putting out a fire function.
Drawings
Fig. 1 is a perspective view of a plastic tube double tube structure of the present utility model.
Fig. 2 is a perspective view of an outer tube of a double tube structure of a plastic tube according to the present utility model.
Fig. 3 is a cross-sectional view of a plastic tube double tube structure of the present utility model.
Fig. 4 is a schematic structural view of an outer protective layer of a double-pipe structure of a plastic pipe according to the present utility model.
Fig. 5 is a schematic structural view of an inner tube of a plastic tube double-tube structure according to the present utility model.
1. An outer protective layer; 2. an outer tube; 3. an inner tube; 4. a partition plate; 5. a screw plug; 6. a first counterbore; 7. a second counterbore; 8. a sealing block; 9. a liquid inlet hole; 10. a storage tank; 11. a discharge orifice; 12. a combustible block; 13. a reinforcing layer; 14. an outer fire-blocking layer; 15. an inner fire-resistant layer.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
According to the figures 1-5: the utility model provides a plastic pipe double-pipe structure, which comprises: comprises an outer tube 2, wherein an inner tube 3 is arranged in the outer tube 2; a partition plate 4 fixedly connected with the outer tube 2 is fixedly connected to the inner tube 3, and the partition plate 4 divides the space between the inner tube 3 and the outer tube 2 into a sealed storage groove 10; the storage tank 10 is provided with fire extinguishing liquid therein; the outer tube 2 is provided with an outflow hole 11 communicated with the storage tank 10, and a flammable block 12 is arranged in the outflow hole 11.
The double-pipe structure of the inner pipe 3 and the outer pipe 2 is arranged to store the fire extinguishing liquid conveniently, and the inflammable block 12 is arranged to guide out the fire extinguishing liquid rapidly when a fire disaster occurs, so that the fire extinguishing can be performed on the plastic pipe, and the problem that the existing plastic pipe can only prevent fire and has no fire extinguishing function can be solved.
The outer tube 2 is provided with a liquid inlet hole 9 communicated with a storage tank 10, and a screw plug 5 is screwed in the liquid inlet hole 9. The outer tube 2 is provided with a first countersunk hole 6 communicated with the liquid inlet hole 9, and the screw plug 5 is positioned in the first countersunk hole 6.
The setting of feed liquor hole 9 is convenient for annotate fire extinguishing liquid to holding tank 10 in, and screw plug 5 is located first counter bore 6 can avoid screw plug 5 to influence outer tube 2 aesthetic property from outer tube 2 protrusion, also can avoid screw plug 5 to scratch the object outside outer tube 2 simultaneously.
The outer tube 2 is provided with a second countersunk head hole 7 communicated with the outflow hole 11, and a sealing block 8 for completely blocking the outflow hole 11 is arranged in the second countersunk head; the sealing block 8 is fixedly connected with the outer tube 2 in an adhesion manner, and the sealing block 8 and the inflammable block 12 are made of the same inflammable material.
The sealing block 8 can completely block the outflow hole 11, and the sealing block 8 and the outer tube 2 are adhered to each other, so that the sealing block 8 can completely block the outflow hole 11, and the fire extinguishing liquid in the storage tank 10 is prevented from flowing out of the outflow hole 11.
An outer protective layer 1 for blocking the second counter bore 7 is arranged on the outer tube 2; the outer protective layer 1 is sequentially provided with a reinforcing layer 13 and an outer fireproof layer 14 from outside to inside. An inner fire-resistant layer 15 is provided on the inner tube 3.
The outer fireproof layer 14 can play a role in primary fireproof, and the reinforcing layer 13 can prevent the outer fireproof layer 14 from being damaged; and the outer protective layer 1 can also protect the inflammable block 12 and the sealing block 8 by blocking the second counter bore 7, and the inflammable block 12 can be influenced by a fire source only when the outer protective layer 1 is damaged by the fire source. The provision of the inner fire-resistant layer 15 can increase the fire-resistant effect of the inner tube 3.
Principles of the utility model
When the plastic pipe is in fire, the outer protective layer 1 can play a role in primary fire prevention; if the flame is too large, the flame starts to influence the outer tube 2 after the reinforcing layer 13 and the outer fireproof layer 14 of the outer protective layer 1 are damaged by the flame; due to the inflammable nature of the sealing block 8 and the inflammable block 12, the sealing block 8 and the inflammable block 12 positioned closest to the fire source burn before the outer tube 2; when the sealing block 8 and the inflammable block 12 are burnt out, the sealing block and the inflammable block do not block the outflow hole 11 any more; the fire extinguishing liquid in the storage tank 10 can flow out from the outflow hole 11 to extinguish the fire of the plastic pipe, so that the fire of the plastic pipe can be prevented from being burned continuously by an external fire source when a worker is not present, and the fire extinguishing effect can be achieved. Therefore, the plastic pipe double-pipe structure designed by the application not only has a fireproof function, but also has a fire extinguishing function, and the fireproof effect is better.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. A plastic tubing double-barrelled structure, its characterized in that: comprises an outer tube (2), wherein an inner tube (3) is arranged in the outer tube (2); a partition board (4) fixedly connected with the outer pipe (2) is fixedly connected to the inner pipe (3), and the partition board (4) divides the space between the inner pipe (3) and the outer pipe (2) into a sealed storage groove (10); fire extinguishing liquid is arranged in the storage tank (10); the outer tube (2) is provided with a outflow hole (11) communicated with the storage groove (10), and a flammable block (12) is arranged in the outflow hole (11).
2. A plastic tube double tube structure according to claim 1, characterized in that: the outer tube (2) is provided with a liquid inlet hole (9) communicated with the storage groove (10), and a screw plug (5) is screwed in the liquid inlet hole (9).
3. A plastic tube double tube structure according to claim 2, characterized in that: a first countersunk hole (6) communicated with the liquid inlet hole (9) is formed in the outer tube (2), and the screw plug (5) is located in the first countersunk hole (6).
4. A plastic tube double tube structure according to claim 1, characterized in that: a second countersunk head hole (7) communicated with the outflow hole (11) is formed in the outer tube (2), and a sealing block (8) for completely blocking the outflow hole (11) is arranged in the second countersunk head; the sealing block (8) is fixedly connected with the outer tube (2) in an adhesion manner, and the sealing block (8) and the inflammable block (12) are made of the same inflammable material.
5. A plastic tube double tube structure according to claim 4, wherein: an outer protective layer (1) for blocking the second counter bore (7) is arranged on the outer tube (2); the outer protective layer (1) is sequentially provided with a reinforcing layer (13) and an outer fireproof layer (14) from outside to inside.
6. A plastic tube double tube structure according to claim 1, characterized in that: an inner fireproof layer (15) is arranged on the inner pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322329175.4U CN220551614U (en) | 2023-08-28 | 2023-08-28 | Plastic pipe double-pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322329175.4U CN220551614U (en) | 2023-08-28 | 2023-08-28 | Plastic pipe double-pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220551614U true CN220551614U (en) | 2024-03-01 |
Family
ID=90009905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322329175.4U Active CN220551614U (en) | 2023-08-28 | 2023-08-28 | Plastic pipe double-pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220551614U (en) |
-
2023
- 2023-08-28 CN CN202322329175.4U patent/CN220551614U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |