CN220471015U - Novel rigid closed-cell flame-retardant polyurethane foam plastic PUR tube shell - Google Patents
Novel rigid closed-cell flame-retardant polyurethane foam plastic PUR tube shell Download PDFInfo
- Publication number
- CN220471015U CN220471015U CN202322150477.5U CN202322150477U CN220471015U CN 220471015 U CN220471015 U CN 220471015U CN 202322150477 U CN202322150477 U CN 202322150477U CN 220471015 U CN220471015 U CN 220471015U
- Authority
- CN
- China
- Prior art keywords
- shell
- retardant
- flame
- polyurethane foam
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 84
- 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 title claims abstract description 62
- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract description 35
- 239000011496 polyurethane foam Substances 0.000 title claims abstract description 35
- 239000004814 polyurethane Substances 0.000 title claims abstract description 12
- 229920003023 plastic Polymers 0.000 title abstract description 11
- 239000004033 plastic Substances 0.000 title abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000005728 strengthening Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 239000010426 asphalt Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model discloses a novel hard closed-cell flame-retardant polyurethane foam plastic PUR pipe shell, which belongs to the technical field of pipe shells, wherein a cavity is formed in an inner shell, symmetrical flame-retardant plates are arranged on the inner wall of the cavity, a closed-cell groove is formed by surrounding the flame-retardant plates and the inner wall of the cavity, flame-retardant particles are arranged in the closed-cell groove, an outer shell is clamped on the outer side of the inner shell, a heat insulation chamber is arranged in the outer shell, a first reinforcing rib and a second reinforcing rib are clamped on the inner wall of the heat insulation chamber, and the novel hard closed-cell flame-retardant polyurethane foam plastic PUR pipe shell can prevent air from flowing through the arranged flame-retardant plates, the closed-cell groove and the flame-retardant particles, and meanwhile, the flame-retardant layer number is increased, so that the flame retardant performance of the pipe shell can be greatly improved.
Description
Technical Field
The utility model relates to the technical field of pipe shells, in particular to a novel rigid closed-cell flame-retardant polyurethane foam (PUR) pipe shell.
Background
The polyurethane shell is a heat insulating material and is used for various pipelines such as heat supply, refrigeration, oil transportation, gas transportation and the like.
At present, the contact area between the inner layer and the outer layer of the polyurethane tube shell is small, the tube shell can be deformed and has poor deformation resistance when in a high-temperature environment, and the polyurethane tube shell is flame-retardant through a single polyurethane tube shell, so that the flame-retardant effect is limited, and the use requirement of people can not be met.
For example, CN206018153U discloses an asphalt polyurethane rigid foam plastic pipe shell, the asphalt polyurethane rigid foam plastic pipe shell includes a pipe shell body, the inside of the pipe shell body is a cylindrical cavity with two open ends, the pipe shell body includes a heat insulation layer and a protection layer, and the heat insulation layer and the protection layer are sequentially sleeved together from inside to outside.
According to the scheme disclosed by the above, the heat insulation layer is used for flame retardance, the flame retardant effect is single, the flame retardant property is reduced, and the heat insulation cavity is arranged to enable the contact area between the heat insulation layer and the protective layer to be small, so that deformation is easy to generate in a high-temperature environment.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide a novel rigid closed-cell flame-retardant polyurethane foam PUR pipe shell, which can avoid air circulation and increase the flame retardant layer number simultaneously by arranging a flame retardant plate, a closed-cell groove and flame retardant particles, and can greatly improve the flame retardant property of the pipe shell, and can not only facilitate the assembly with an outer shell, but also avoid the deformation of the pipe shell under the high temperature condition, thereby greatly improving the deformation resistance of the pipe shell.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a novel fire-retardant polyurethane foam PUR shell of stereoplasm obturator fire-retardant formula, includes the inner shell body, the inside of inner shell body is equipped with the cavity, the inner wall of cavity is equipped with the fire-retardant board of symmetry, fire-retardant board and the inner wall of cavity surround and have the obturator trough, the inside of obturator trough is provided with fire-retardant granule, the outside joint of inner shell body has the shell body, the inside of shell body is equipped with the heat-insulating chamber, the inner wall joint of heat-insulating chamber has first strengthening rib and second strengthening rib, this novel fire-retardant polyurethane foam PUR shell of stereoplasm obturator fire-retardant formula, through fire-retardant board, obturator trough and the fire-retardant granule of setting, the improvement fire-retardant layer number that has increased simultaneously, the fire resistance of improvement shell that can be great to through first strengthening rib, second strengthening rib and the joint portion of setting, not only be convenient for with the equipment of shell body, can avoid the shell to produce the deformation under the high temperature condition simultaneously, great improvement the anti-deformation ability of shell.
Further, the surface of first strengthening rib and second strengthening rib is connected with the fixed surface of inner shell, another surface of first strengthening rib and second strengthening rib is equipped with joint portion, and quick joint location of inner shell and shell is convenient for to joint portion.
Further, the inner wall of the heat insulation chamber is provided with symmetrical clamping grooves, the inner wall of the clamping grooves is in contact connection with the surface of the clamping part, and the inner wall of the clamping grooves is provided with a second arc-shaped groove.
Further, the length of the clamping portion is the same as the length of the reinforcing rib, the cross section of the clamping portion is in a dovetail shape, a first arc-shaped groove is formed in one side of the clamping portion, and the first arc-shaped groove and the second arc-shaped groove are convenient for glue injection adhesion of the clamping portion.
Further, the flame-retardant plate is made of flame-retardant materials, the melting point of the flame-retardant plate is lower than that of the inner shell, and the inner shell is made of hard polyurethane materials.
Furthermore, the flame retardant particles are filled with flame retardant material particles, so that the flame retardant effect can be improved.
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, through the arranged flame retardant plates, the closed pore grooves and the flame retardant particles, air circulation can be avoided, the number of flame retardant layers is increased, and the flame retardant property of the pipe shell can be greatly improved.
(2) This scheme is through first strengthening rib, second strengthening rib and joint portion that sets up, not only be convenient for with the equipment of shell body, can avoid the tube shell to produce the deformation under the high temperature condition simultaneously, great improvement the anti deformability of tube shell.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is an enlarged view of a portion a in fig. 1.
The reference numerals in the figures illustrate:
1 inner shell, 11 cavity, 12 first strengthening rib, 13 joint portion, 14 first arc wall, 15 second strengthening rib, 16 fire-retardant board, 17 obturator tank, 18 fire-retardant granule, 2 outer shell, 21 heat-insulating chamber, 22 draw-in groove, 23 second arc wall.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-2, a novel hard closed-cell flame-retardant polyurethane foam plastic PUR shell comprises an inner shell 1, wherein a cavity 11 is formed in the inner part of the inner shell 1, a symmetrical flame-retardant plate 16 is arranged on the inner wall of the cavity 11, a closed-cell groove 17 is formed by surrounding the flame-retardant plate 16 and the inner wall of the cavity 11, flame-retardant particles 18 are arranged in the closed-cell groove 17, an outer shell 2 is clamped on the outer side of the inner shell 1, the inner shell 1 can be protected and insulated, a connecting piece is arranged on the surface of the outer shell 2, connection assembly between two adjacent shells is facilitated, the novel hard closed-cell flame-retardant polyurethane foam plastic PUR shell belongs to the prior art, a heat insulation chamber 21 is arranged in the inner shell 2, the heat insulation effect of the inner shell 1 can be increased, a first reinforcing rib 12 and a second reinforcing rib 15 are clamped on the inner wall of the heat insulation chamber 21, and after the first reinforcing rib 12 and the second reinforcing rib 15 are connected with the outer shell 2, the deformation resistance of the outer shell 2 can be increased.
The inner wall of the heat insulation chamber 21 is provided with symmetrical clamping grooves 22, the inner wall of the clamping grooves 22 is in contact connection with the surface of the clamping part 13, the inner wall of the clamping grooves 22 is provided with a second arc-shaped groove 23, the flame retardant plate 16 is made of flame retardant materials, the melting point of the flame retardant plate is lower than that of the inner shell 1, the inner shell 1 is made of hard polyurethane materials, and the flame retardant particles 18 are filled with flame retardant material particles, so that flame retardant effect can be improved.
In this embodiment, through the flame retardant panel 16, the closed cell 17 and the flame retardant particles 18 which are provided, air circulation can be avoided, and the number of flame retardant layers is increased, so that the flame retardant performance of the pipe shell can be greatly improved.
Example 2
Referring to fig. 1-2, a novel hard closed-cell flame-retardant polyurethane foam plastic PUR shell comprises an inner shell 1, wherein a cavity 11 is formed in the inner part of the inner shell 1, a symmetrical flame-retardant plate 16 is arranged on the inner wall of the cavity 11, a closed-cell groove 17 is formed by surrounding the flame-retardant plate 16 and the inner wall of the cavity 11, flame-retardant particles 18 are arranged in the closed-cell groove 17, an outer shell 2 is clamped on the outer side of the inner shell 1, the inner shell 1 can be protected and insulated, a connecting piece is arranged on the surface of the outer shell 2, connection assembly between two adjacent shells is facilitated, the novel hard closed-cell flame-retardant polyurethane foam plastic PUR shell belongs to the prior art, a heat insulation chamber 21 is arranged in the inner shell 2, the heat insulation effect of the inner shell 1 can be increased, a first reinforcing rib 12 and a second reinforcing rib 15 are clamped on the inner wall of the heat insulation chamber 21, and after the first reinforcing rib 12 and the second reinforcing rib 15 are connected with the outer shell 2, the deformation resistance of the outer shell 2 can be increased.
The surface of first strengthening rib 12 and second strengthening rib 15 is connected with the fixed surface of inner shell 1, and another surface of first strengthening rib 12 and second strengthening rib 15 is equipped with joint portion 13, and quick joint location of inner shell 1 and shell 2 is convenient for to joint portion 13, and joint portion 13's length is the same with strengthening rib length, and joint portion 13's cross-sectional shape is the dovetail, and one side of joint portion 13 is equipped with first arc wall 14, and first arc wall 14 and second arc wall 23 are convenient for the injecting glue bonding at joint position.
In this embodiment, through the first strengthening rib 12, second strengthening rib 15 and joint portion 13 that set up, not only be convenient for with the equipment of shell body 2, can avoid the shell to produce the deformation under the high temperature condition simultaneously, great improvement the anti deformability of shell.
This novel stereoplasm obturator fire-retardant polyurethane foam plastic PUR tube shell, when the equipment, joint portion 13 is direct with draw-in groove 22 joint, then fix and seal junction through the viscose of injecting, the inside burning of cavity 11 can lead to fire-retardant board 16 to melt earlier in the use, then lead to fire-retardant granule 18 to expose and put out a fire to it in the fire-retardant, fire-retardant board 16 through setting up, obturator tank 17 and fire-retardant granule 18, can avoid the circulation of air, the fire-retardant layer number has been increased simultaneously, the fire resistance of the improvement tube shell that can be great, and through the first strengthening rib 12 of setting, second strengthening rib 15 and joint portion 13, not only be convenient for with the equipment of shell body 2, can avoid the tube shell to produce the deformation under the high temperature condition simultaneously, great improvement the anti-deformation ability of tube shell.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. Novel rigid closed-cell flame-retardant polyurethane foam (PUR) pipe shell comprises an inner shell (1), and is characterized in that: the inside of interior casing (1) is equipped with cavity (11), the inner wall of cavity (11) is equipped with fire-retardant board (16) of symmetry, fire-retardant board (16) have closed cell (17) with the inner wall of cavity (11) encircled, the inside of closed cell (17) is provided with fire-retardant granule (18), the outside joint of interior casing (1) has shell body (2), the inside of shell body (2) is equipped with heat-insulating chamber (21), the inner wall joint of heat-insulating chamber (21) has first strengthening rib (12) and second strengthening rib (15).
2. A novel rigid closed cell flame retardant polyurethane foam PUR shell in accordance with claim 1, wherein: the surface of first strengthening rib (12) and second strengthening rib (15) is connected with the surface mounting of inner shell (1), the other surface of first strengthening rib (12) and second strengthening rib (15) is equipped with joint portion (13).
3. A novel rigid closed cell flame retardant polyurethane foam PUR shell in accordance with claim 1, wherein: the inner wall of the heat insulation chamber (21) is provided with symmetrical clamping grooves (22), the inner wall of the clamping grooves (22) is in contact connection with the surface of the clamping part (13), and the inner wall of the clamping grooves (22) is provided with a second arc-shaped groove (23).
4. A novel rigid closed cell flame retardant polyurethane foam PUR shell in accordance with claim 2, wherein: the length of the clamping portion (13) is the same as that of the reinforcing rib, the cross section of the clamping portion (13) is in a dovetail shape, and a first arc-shaped groove (14) is formed in one side of the clamping portion (13).
5. A novel rigid closed cell flame retardant polyurethane foam PUR shell in accordance with claim 1, wherein: the flame-retardant plate (16) is made of flame-retardant materials, the melting point of the flame-retardant plate is lower than that of the inner shell (1), and the inner shell (1) is made of hard polyurethane materials.
6. A novel rigid closed cell flame retardant polyurethane foam PUR shell in accordance with claim 1, wherein: the flame retardant particles (18) are filled with particles of a flame retardant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322150477.5U CN220471015U (en) | 2023-08-10 | 2023-08-10 | Novel rigid closed-cell flame-retardant polyurethane foam plastic PUR tube shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322150477.5U CN220471015U (en) | 2023-08-10 | 2023-08-10 | Novel rigid closed-cell flame-retardant polyurethane foam plastic PUR tube shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220471015U true CN220471015U (en) | 2024-02-09 |
Family
ID=89774565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322150477.5U Active CN220471015U (en) | 2023-08-10 | 2023-08-10 | Novel rigid closed-cell flame-retardant polyurethane foam plastic PUR tube shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220471015U (en) |
-
2023
- 2023-08-10 CN CN202322150477.5U patent/CN220471015U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106252549B (en) | A kind of lightweight, safe battery core bracket and power battery pack | |
| CN205349103U (en) | Energy -saving insulation section bar reaches energy -saving insulation fire window including this section bar | |
| CN220471015U (en) | Novel rigid closed-cell flame-retardant polyurethane foam plastic PUR tube shell | |
| CN214897775U (en) | Special fire-fighting dual-flame-retardant cable | |
| CN206977004U (en) | A kind of CPVC cable protection pipes | |
| CN207032491U (en) | A kind of air film structure and its pneumatic membrane building | |
| CN215056508U (en) | Passive energy-saving bridge-cut-off window sleeve | |
| CN214789516U (en) | Direct-buried composite heat-preservation thermal pipe with sealing and waterproof performances | |
| CN208009482U (en) | Immersed tube tunnel tube coupling connector fire proof construction | |
| CN211396044U (en) | Extruded high-permeability polystyrene foaming hard heat-insulation board | |
| CN208009478U (en) | Immersed tube tunnel tube coupling connector fire proof construction | |
| CN216590341U (en) | Drainage pipe that water-proof effects is good for building engineering | |
| KR102302052B1 (en) | Linear thermal bridge and linear leakage blocking structure of fire door with improved complex performance | |
| CN205935261U (en) | Shelter heated board | |
| CN217734403U (en) | Fireproof heat-insulation rock wool board | |
| CN219177210U (en) | Fire-retardant tuber pipe of beige | |
| CN221118823U (en) | High flame-retardant heat-insulating board | |
| CN215721374U (en) | Combined type polyurethane insulating tube | |
| CN215519470U (en) | Heat preservation wallboard for building energy conservation | |
| CN211597480U (en) | Insulation board of ultra-low energy consumption building outer wall | |
| CN221168212U (en) | Passive house heated board with broken cold bridge concatenation mode | |
| CN219510322U (en) | Double-layer corrugated pipe structure | |
| CN221801040U (en) | Double-deck air conditioner copper pipe insulation layer assembly | |
| CN220429546U (en) | Flame-retardant extruded sheet with heat preservation and moisture isolation functions | |
| CN215367909U (en) | Polystyrene foam board with good anti-deformation effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |