CN113063039B - PVC pipe with fireproof function and using method thereof - Google Patents
PVC pipe with fireproof function and using method thereof Download PDFInfo
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- CN113063039B CN113063039B CN202110270889.5A CN202110270889A CN113063039B CN 113063039 B CN113063039 B CN 113063039B CN 202110270889 A CN202110270889 A CN 202110270889A CN 113063039 B CN113063039 B CN 113063039B
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- pvc
- fire prevention
- pipe
- fireproof
- outer tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
- F16L9/128—Reinforced pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a PVC pipe with a fireproof function, which comprises a PVC pipe body and a fireproof outer pipe, wherein the PVC pipe body is sleeved in the fireproof outer pipe; adopt above-mentioned technical scheme, aim at the fixture block in the fire prevention outer tube with the draw-in groove of cassette on the PVC body, install the PVC body in the fire prevention outer tube, utilize the fire prevention outer tube to have the characteristic of fire prevention, realize the fire prevention effect to the PVC body, when the fire prevention outer tube outside received pressure, the support column that fixture block and cassette interconnect formed can play the effect of support to fire prevention outer tube inner wall, has improved the intensity of fire prevention outer tube.
Description
Technical Field
The invention relates to the field of PVC pipes with a fireproof function, in particular to a PVC pipe with a fireproof function and a using method thereof.
Background
PVC is a material for short, the main component is polyvinyl chloride, and other components are added to enhance the heat resistance, toughness and ductility of the PVC. The top layer of the surface film is paint, the middle layer is polyvinyl chloride, and the bottom layer is back-coated adhesive.
PVC pipes (including PVC-U pipes, PVC-M pipes and PVC-O pipes) are made of PVC resin, stabilizer and lubricant through hot pressing and extrusion, and are the plastic pipes developed and applied at the earliest.
The existing PVC pipe has no fireproof function, and is easily burnt and damaged in the moment of firing when being laid in a flammable and explosive area and exposed in the air, so that the conveying of the liquid in the PVC pipe is influenced to a great extent.
Disclosure of Invention
Technical problem to be solved
In order to solve the above problems in the prior art, the present invention provides a PVC pipe with fire-proof function, so as to solve the above drawbacks in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
the utility model provides a PVC pipe with fire prevention function, includes the PVC body, still includes the fire prevention outer tube, PVC body cover is located in the fire prevention outer tube, fire prevention outer tube inner wall is provided with a plurality of fixed blocks along its circumference equidistant, the fixed block is kept away from one of fire prevention outer tube inner wall is served and is provided with the fixture block, the outer wall of PVC body along its circumference equidistant be provided with the same cassette of fixed block quantity, be provided with on the cassette and be used for connecting the draw-in groove of fixture block.
Preferably, the longitudinal section of the fixture block is isosceles trapezoid, and the upper bottom surface of the fixture block is fixedly connected with one end, far away from the inner wall of the fireproof outer pipe, of the fixture block.
Preferably, the two sides of the fixing blocks are relatively provided with connecting blocks, a flame-retardant plate is arranged between the connecting blocks on one side, close to each other, of the adjacent fixing blocks, and a connecting groove for installing the flame-retardant plate is formed in the connecting block.
Preferably, the flame retardant sheet is a graphite flame retardant sheet.
Preferably, the fireproof outer pipe is composed of an inorganic composite layer, a fireproof layer and a waterproof layer, and the inorganic composite layer, the fireproof layer and the waterproof layer are sequentially arranged from inside to outside.
A use method of a PVC pipe with a fireproof function comprises the following steps: when the PVC pipe is used, the PVC pipe body and the fireproof outer pipe which are equal in length are selected, the clamping grooves of the clamping seats on the PVC pipe body are aligned to the clamping blocks in the fireproof outer pipe, the PVC pipe body is installed in the fireproof outer pipe, and the supporting columns formed by the mutual connection of the clamping blocks and the clamping seats can support the inner wall of the fireproof outer pipe, so that the strength of the fireproof outer pipe is improved; use the PVC body under the environment that does not need the fire prevention, can take out the exclusive use with the PVC body, the cassette of PVC body outer wall can play the effect of strengthening rib, has improved the use strength of PVC body.
(III) advantageous effects
The invention has the beneficial effects that: adopt above-mentioned technical scheme, aim at the fixture block in the fire prevention outer tube with the draw-in groove of cassette on the PVC body, install the PVC body in the fire prevention outer tube, utilize the fire prevention outer tube to have the characteristic of fire prevention, realize the fire prevention effect to the PVC body, when the fire prevention outer tube outside received pressure, the support column that fixture block and cassette interconnect formed can play the effect of support to fire prevention outer tube inner wall, has improved the intensity of fire prevention outer tube.
Drawings
FIG. 1 is a schematic structural view of a PVC pipe with a fireproof function;
FIG. 2 is a longitudinal sectional view of a PVC pipe having a fire-proof function;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
[ description of reference ]
1-fireproof outer pipe;
2-a PVC pipe body;
3, fixing blocks;
4-a card seat;
5-clamping blocks;
6-flame retardant board;
7-connecting block.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 2, a first embodiment of the present invention: a PVC pipe with a fire prevention function comprises a PVC pipe body 2 and a fire prevention outer pipe 1, wherein the PVC pipe body 2 is sleeved in the fire prevention outer pipe 1, a plurality of fixing blocks 3 are arranged on the inner wall of the fire prevention outer pipe 1 at equal intervals along the circumferential direction of the fire prevention outer pipe, clamping blocks 5 are arranged on one ends, away from the inner wall of the fire prevention outer pipe 1, of the fixing blocks 3, clamping seats 4 with the same number as the fixing blocks 3 are arranged on the outer wall of the PVC pipe body 2 at equal intervals along the circumferential direction of the PVC pipe body, and clamping grooves for connecting the clamping blocks 5 are formed in the clamping seats 4; when the fireproof outer pipe 1 is used, the clamping grooves of the clamping seats 4 on the PVC pipe body 2 are aligned to the clamping blocks 5 in the fireproof outer pipe 1, the PVC pipe body 2 is installed in the fireproof outer pipe 1, the fireproof effect on the PVC pipe body 2 is realized by utilizing the fireproof characteristic of the fireproof outer pipe 1, when the outside of the fireproof outer pipe 1 is pressed, the supporting columns formed by the mutual connection of the clamping blocks 5 and the clamping seats 4 can support the inner wall of the fireproof outer pipe 1, and the strength of the fireproof outer pipe 1 is improved; if use PVC body 2 under the environment that does not need the fire prevention, can take out exclusive use with PVC body 2, the effect of strengthening rib can be played to the cassette 4 of 2 outer walls of PVC body, has improved the intensity of PVC body 2.
In this embodiment, the longitudinal section of fixture block 5 is isosceles trapezoid, and the one end fixed connection of keeping away from 1 inner wall of fire prevention outer tube is kept away from with fixed block 3 to the last bottom surface of fixture block 5.
In this embodiment, the longitudinal section of fixture block 5 is isosceles trapezoid, and the last bottom surface of fixture block 5 is kept away from with fixed block 3, and fire prevention outer tube 1 comprises inorganic composite bed, flame retardant coating and waterproof layer, and inorganic composite bed, flame retardant coating and waterproof layer set gradually from inside to outside for fire prevention outer tube 1 has waterproof and fire-proof effect.
Referring to fig. 3, a second embodiment of the present invention: connecting blocks 7 are oppositely arranged on two sides of the fixing blocks 3, a flame-retardant plate 6 is arranged between the connecting blocks 7 on the side, close to each other, of the adjacent fixing blocks 3, and a connecting groove for installing the flame-retardant plate 6 is formed in each connecting block 7; through the spread groove on connecting block 7, can install fire-retardant board 6 between adjacent fixed block 3, fire-retardant board 6 can lose the effect of fire prevention at fire prevention outer tube 1 after, play further fire prevention effect to PVC body 2.
In this embodiment, the flame retardant sheet 6 is a graphite flame retardant sheet 6.
A use method of a PVC pipe with a fireproof function comprises the following steps: when the fireproof outer pipe 1 is used, the PVC pipe body 2 and the fireproof outer pipe 1 which are equal in length are selected, the clamping grooves of the clamping seats on the PVC pipe body 2 are aligned to the clamping blocks in the fireproof outer pipe 1, the PVC pipe body 2 is installed in the fireproof outer pipe 1, and the supporting columns formed by the mutual connection of the clamping blocks 5 and the clamping seats 4 can support the inner wall of the fireproof outer pipe 1, so that the strength of the fireproof outer pipe 1 is improved; use PVC body 2 under the environment that does not need the fire prevention, can take out exclusive use with PVC body 2, the cassette of 2 outer walls of PVC body can play the effect of strengthening rib, has improved PVC body 2's use strength.
The working principle of the invention is as follows: with PVC body 2 go up clamping groove alignment fixture block 5 in the fire prevention outer tube 1 of cassette 4, install PVC body 2 in fire prevention outer tube 1, utilize fire prevention outer tube 1 to have the characteristic of fire prevention, realize the fire control effect to PVC body 2, when fire prevention outer tube 1 outside received pressure, fixture block 5 can play the effect of support to 1 inner wall of fire prevention outer tube with the support column of cassette 4 interconnect formation, improved the intensity of fire prevention outer tube 1.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a PVC pipe with fire prevention function, includes the PVC body, its characterized in that still includes the fire prevention outer tube, PVC body cover is located in the fire prevention outer tube, fire prevention outer tube inner wall is provided with a plurality of fixed blocks along its circumference equidistant, the fixed block is kept away from one of fire prevention outer tube inner wall serves and is provided with the fixture block, the outer wall of PVC body along its circumference equidistant be provided with the same cassette of fixed block quantity, be provided with on the cassette and be used for connecting the draw-in groove of fixture block, the both sides of fixed block are provided with the connecting block relatively, and fire-retardant board is installed to the connecting block on one side that adjacent fixed block is close to each other, be provided with on the connecting block and be used for the installation the spread groove of fire-retardant board.
2. The PVC pipe with the fireproof function of claim 1, wherein the longitudinal section of the fixture block is isosceles trapezoid, and the upper bottom surface of the fixture block is fixedly connected with one end of the fixing block, which is far away from the inner wall of the fireproof outer pipe.
3. The PVC pipe with a fire-proof function as recited in claim 1, wherein the fire retardant sheet is a graphite fire retardant sheet.
4. The PVC pipe with the fire prevention function according to claim 1, wherein the fire prevention outer pipe is composed of an inorganic composite layer, a fire prevention layer and a waterproof layer, and the inorganic composite layer, the fire prevention layer and the waterproof layer are sequentially arranged from inside to outside.
5. The use method of the PVC pipe with the fireproof function as claimed in any one of claims 1 to 4, wherein when in use, the PVC pipe body and the fireproof outer pipe with equal length are selected, the clamping grooves of the clamping seats on the PVC pipe body are aligned to the clamping blocks in the fireproof outer pipe, the PVC pipe body is installed in the fireproof outer pipe, and the supporting columns formed by the mutual connection of the clamping blocks and the clamping seats can support the inner wall of the fireproof outer pipe, so that the strength of the fireproof outer pipe is improved; use the PVC body under the environment that does not need the fire prevention, can take out the exclusive use with the PVC body, the cassette of PVC body outer wall can play the effect of strengthening rib, has improved the use strength of PVC body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110270889.5A CN113063039B (en) | 2021-03-12 | 2021-03-12 | PVC pipe with fireproof function and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110270889.5A CN113063039B (en) | 2021-03-12 | 2021-03-12 | PVC pipe with fireproof function and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113063039A CN113063039A (en) | 2021-07-02 |
| CN113063039B true CN113063039B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110270889.5A Active CN113063039B (en) | 2021-03-12 | 2021-03-12 | PVC pipe with fireproof function and using method thereof |
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| CN (1) | CN113063039B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1116910A1 (en) * | 2000-01-17 | 2001-07-18 | Hozelock Tricoflex SA | Multilayered pipe for conveying hot fluids |
| CN204226884U (en) * | 2014-11-13 | 2015-03-25 | 林海梅 | Multipurpose pvc pipe |
| CN208634545U (en) * | 2018-05-07 | 2019-03-22 | 天津长园电子材料有限公司 | A kind of PVC casing with corrosion-resistant high-temperature |
| CN209067974U (en) * | 2018-07-26 | 2019-07-05 | 江苏致乐管业科技有限公司 | A kind of high-strength impact resistance anti-corrosion lightweight PE solid wall pipe |
| CN209100809U (en) * | 2018-11-28 | 2019-07-12 | 南昌聚博工程材料有限公司 | A kind of high-strength environment-friendly PVC pipe |
| CN110985769A (en) * | 2019-12-03 | 2020-04-10 | 康泰塑胶科技集团(郑州)有限公司 | PE gas pipe |
| CN210484837U (en) * | 2019-07-10 | 2020-05-08 | 甘肃天业节水有限公司 | High-impact-resistance modified PVC (polyvinyl chloride) pipe |
| CN211203176U (en) * | 2019-09-04 | 2020-08-07 | 江西天骄建材有限公司 | High-strength environment-friendly PVC (polyvinyl chloride) pipe |
-
2021
- 2021-03-12 CN CN202110270889.5A patent/CN113063039B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1116910A1 (en) * | 2000-01-17 | 2001-07-18 | Hozelock Tricoflex SA | Multilayered pipe for conveying hot fluids |
| CN204226884U (en) * | 2014-11-13 | 2015-03-25 | 林海梅 | Multipurpose pvc pipe |
| CN208634545U (en) * | 2018-05-07 | 2019-03-22 | 天津长园电子材料有限公司 | A kind of PVC casing with corrosion-resistant high-temperature |
| CN209067974U (en) * | 2018-07-26 | 2019-07-05 | 江苏致乐管业科技有限公司 | A kind of high-strength impact resistance anti-corrosion lightweight PE solid wall pipe |
| CN209100809U (en) * | 2018-11-28 | 2019-07-12 | 南昌聚博工程材料有限公司 | A kind of high-strength environment-friendly PVC pipe |
| CN210484837U (en) * | 2019-07-10 | 2020-05-08 | 甘肃天业节水有限公司 | High-impact-resistance modified PVC (polyvinyl chloride) pipe |
| CN211203176U (en) * | 2019-09-04 | 2020-08-07 | 江西天骄建材有限公司 | High-strength environment-friendly PVC (polyvinyl chloride) pipe |
| CN110985769A (en) * | 2019-12-03 | 2020-04-10 | 康泰塑胶科技集团(郑州)有限公司 | PE gas pipe |
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| Publication number | Publication date |
|---|---|
| CN113063039A (en) | 2021-07-02 |
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