CN215007747U - Heat-resistant and cold-resistant electrical casing for building - Google Patents
Heat-resistant and cold-resistant electrical casing for building Download PDFInfo
- Publication number
- CN215007747U CN215007747U CN202120453974.0U CN202120453974U CN215007747U CN 215007747 U CN215007747 U CN 215007747U CN 202120453974 U CN202120453974 U CN 202120453974U CN 215007747 U CN215007747 U CN 215007747U
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- China
- Prior art keywords
- layer
- resistant
- heat
- cold
- wearing layer
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Links
- 239000004743 Polypropylene Substances 0.000 claims abstract description 11
- -1 polypropylene Polymers 0.000 claims abstract description 11
- 229920001155 polypropylene Polymers 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 79
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 239000003063 flame retardant Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 239000011491 glass wool Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 230000008595 infiltration Effects 0.000 abstract description 7
- 238000001764 infiltration Methods 0.000 abstract description 7
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 9
- 239000004800 polyvinyl chloride Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 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 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to an electrician's sleeve pipe technical field just discloses a heat-resisting cold-resistant electrician's sleeve pipe for building, including the wearing layer, the inboard of wearing layer bonds and has the dampproof course, the inboard of dampproof course bonds and has the insulating layer, the inboard of insulating layer bonds and has the interference layer. The utility model discloses an adopt thickness to make outside wearing layer for 5 mm's polypropylene, the melting point of polypropylene is at 165 ℃, can continue to protect the internal portion of geminate transistors under higher temperature, and polypropylene has good cold resistance, then do not receive outside temperature's influence when guaranteeing the cable use through the insulating layer, guarantee that the cable normally works, sheathed tube heat-resisting and cold resistance can be better, separate wall body and wearing layer through stand and lug, prevent wall body and wearing layer direct contact, in the direct infiltration wearing layer of moisture in the wall body, keep apart the moisture of infiltration through waterproof ventilated membrane, prevent that moisture infiltration interference layer and the interior influence interference layer of insulating layer from normally working with the insulating layer.
Description
Technical Field
The utility model relates to an electrician's sleeve pipe technical field especially relates to a heat-resisting cold-resistant electrician's sleeve pipe for building.
Background
The electrical casing is called as an insulating electrical casing for buildings, and is also called as a threading pipe. Generally speaking, the pipe is a hard PVC rubber pipe, is a pipe for corrosion prevention, electric leakage prevention and wire threading, and has the characteristics of high quality, low price, attractive appearance, convenience and the like
The polyvinyl chloride that has adopted as the body main material for the majority of current electrician's sleeve pipes, polyvinyl chloride just begins to soften when the temperature reaches about 80 ℃, the polyvinyl chloride sleeve pipe softens and can't protect inside cable when the temperature is higher, sheathed tube heat resistance is not good, and polyvinyl chloride is easy fracture under the low temperature condition, inside the disect insertion wall body when current electrician's sleeve pipe uses, wall body and sleeve pipe direct contact, the easy direct infiltration of the interior moisture of wall body gets into in the sleeve pipe, the moisture constantly erodees the cable and leads to the cable impaired easily.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: most of the existing electrical sleeves adopt polyvinyl chloride as a main material of a pipe body, the polyvinyl chloride begins to soften when the temperature reaches about 80 ℃, the polyvinyl chloride sleeves soften and cannot protect internal cables when the temperature is higher, the heat resistance of the sleeves is poor, and the polyvinyl chloride is easy to break under the low-temperature condition.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a heat-resisting cold-resistant electrician's sleeve pipe for building, includes the wearing layer, the inboard bonding of wearing layer has the dampproof course, the inboard bonding of dampproof course has the insulating layer, the inboard bonding of insulating layer has the interference layer, the inboard bonding of interference layer has fire-retardant layer, the inboard bonding of fire-retardant layer has the steel circle layer, the inboard fixedly connected with inner circle rubber protection layer on steel circle layer, the side fixedly connected with flange of wearing layer, the side fixedly connected with spring of wearing layer, the side of spring and the inner wall overlap joint of flange, the one end fixedly connected with lug of wearing layer is kept away from to the spring.
Preferably, the wear-resistant layer is made of polypropylene, and the thickness of the wear-resistant layer is 5 mm.
Preferably, the material of dampproof course is waterproof ventilated membrane, the thickness of dampproof course is 1 mm.
Preferably, the heat insulation layer is made of superfine glass wool with the thickness of 2 mm.
Preferably, the interference layer is woven by two aluminum strips with the width of 3 mm.
Preferably, the steel ring layer is a light steel plate with the thickness of 2mm, and reinforcing ribs are arranged inside the steel ring layer.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an adopt thickness to make outside wearing layer for 5 mm's polypropylene, the melting point of polypropylene is 165 ℃, can continue to protect the internal portion of geminate transistors under higher temperature to polypropylene has good cold resistance, then does not receive outside temperature's influence when guaranteeing the cable use through the insulating layer, guarantees that the cable normally works, and sheathed tube heat-resisting and cold resistance can be better.
(2) The utility model discloses a flange separates wall body and wearing layer with the lug, prevents wall body and wearing layer direct contact, and the direct infiltration wearing layer of moisture in the wall body, then keep apart the moisture of infiltration through waterproof ventilated membrane, prevent that moisture infiltration interference layer and thermal-insulated in situ influence interference layer and insulating layer from normally working, protect the cable simultaneously and prevent that the moisture from infiltrating the inside cable that causes of cable impaired, and sheathed tube humidity resistance is better.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a sectional view of the partially expanded three-dimensional structure of the present invention;
fig. 3 is an enlarged view of a structure in fig. 2.
In the figure: 1. a wear layer; 2. a moisture barrier; 3. a thermal insulation layer; 4. an interference layer; 5. a flame retardant layer; 6. a steel ring layer; 7. an inner ring rubber protective layer; 8. a spring; 9. a spring; 10. and (4) a bump.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a heat-resistant and cold-resistant electrical casing for buildings, which comprises a wear-resistant layer 1, wherein the wear-resistant layer 1 is made of polypropylene, the thickness of the wear-resistant layer 1 is 5mm, the melting point of polypropylene at 165 ℃ can continuously protect the interior of the casing at a higher temperature, the polypropylene is light in weight, nontoxic and odorless, and has good corrosion resistance, heat resistance, electrical insulation and wear resistance, so that the cable can be well protected, the service life of the cable can be prolonged, a moisture-proof layer 2 is bonded on the inner side of the wear-resistant layer 1, the moisture-proof layer 2 is made of a waterproof breathable film, the thickness of the moisture-proof layer 2 is 1mm, the waterproof breathable film has high temperature resistance, can normally work at a temperature of 250 ℃ and has good low temperature resistance, a good elongation can be maintained at a temperature of-196 ℃, and the waterproof breathable film has good weather resistance, the inner side of the moisture-proof layer 2 is bonded with a heat insulation layer 3, the heat insulation layer 3 adopts superfine glass wool with the thickness of 2mm, the superfine glass wool is light in structure, low in heat conductivity coefficient, good in heat insulation and sound absorption performance, and good in corrosion resistance, heat resistance, frost resistance and shock resistance, the superfine glass wool is not worsted by worms and is not worried by the worms when being placed in a wall body for a long time, the superfine glass wool has good chemical stability, the inner side of the heat insulation layer 3 is bonded with an interference layer 4, the interference layer 4 is formed by weaving two aluminum strips with the width of 3mm, the two aluminum strips are crossed and woven into a net shape, the aluminum strips are low in weaving cost, short in production man-hour and good in shielding effect, the privacy and smoothness of cable signal transmission are ensured through the interference layer 4, the influence of an external magnetic field on a cable is reduced, meanwhile, the cable is prevented from radiating electromagnetic energy outwards, the inner side of the interference layer 4 is bonded with a flame-retardant layer 5, the inboard bonding of fire-retardant layer 5 has steel ring layer 6, steel ring layer 6 adopts thickness to be 2 mm's light shaped steel board, the inside of steel ring layer 6 is provided with the strengthening rib, guarantee sleeve pipe intensity through light shaped steel board, the inboard fixedly connected with inner circle rubber protection layer 7 of steel ring layer 6, the side fixedly connected with flange 8 of wearing layer 1, the side fixedly connected with spring 9 of wearing layer 1, the side of spring 9 and flange 8's inner wall overlap joint, the one end fixedly connected with lug 10 of wearing layer 1 is kept away from to spring 9.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The utility model provides a heat-resisting cold-resistant electrician's sleeve pipe for building, includes wearing layer (1), its characterized in that: the inboard bonding of wearing layer (1) has dampproof course (2), the inboard bonding of dampproof course (2) has insulating layer (3), the inboard bonding of insulating layer (3) has interference layer (4), the inboard bonding of interference layer (4) has fire-retardant layer (5), the inboard bonding of fire-retardant layer (5) has steel circle layer (6), the inboard fixedly connected with inner circle rubber protective layer (7) of steel circle layer (6), the side fixedly connected with bulge tube (8) of wearing layer (1), the side fixedly connected with spring (9) of wearing layer (1), the side of spring (9) and the inner wall overlap joint of bulge tube (8), the one end fixedly connected with lug (10) of wearing layer (1) are kept away from in spring (9).
2. The heat and cold resistant electrical casing for building use according to claim 1, wherein the material of the wear layer (1) is polypropylene, and the thickness of the wear layer (1) is 5 mm.
3. The heat-resistant and cold-resistant electric sleeve for building as claimed in claim 1, wherein the moisture-proof layer (2) is made of a waterproof and breathable film, and the thickness of the moisture-proof layer (2) is 1 mm.
4. The heat-resistant and cold-resistant electrical casing for buildings according to claim 1, characterized in that the thermal insulation layer (3) is made of ultra-fine glass wool with a thickness of 2 mm.
5. The heat and cold resistant construction electrical bushing according to claim 1, wherein the interference layer (4) is woven from two aluminum strips with a width of 3 mm.
6. The heat-resistant and cold-resistant electric sleeve for buildings according to claim 1, characterized in that the steel ring layer (6) is made of light steel plate with the thickness of 2mm, and reinforcing ribs are arranged inside the steel ring layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453974.0U CN215007747U (en) | 2021-03-02 | 2021-03-02 | Heat-resistant and cold-resistant electrical casing for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453974.0U CN215007747U (en) | 2021-03-02 | 2021-03-02 | Heat-resistant and cold-resistant electrical casing for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215007747U true CN215007747U (en) | 2021-12-03 |
Family
ID=79159122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120453974.0U Expired - Fee Related CN215007747U (en) | 2021-03-02 | 2021-03-02 | Heat-resistant and cold-resistant electrical casing for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215007747U (en) |
-
2021
- 2021-03-02 CN CN202120453974.0U patent/CN215007747U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |