CN215007746U - PVC electrical casing with electromagnetic shielding function - Google Patents
PVC electrical casing with electromagnetic shielding function Download PDFInfo
- Publication number
- CN215007746U CN215007746U CN202120453626.3U CN202120453626U CN215007746U CN 215007746 U CN215007746 U CN 215007746U CN 202120453626 U CN202120453626 U CN 202120453626U CN 215007746 U CN215007746 U CN 215007746U
- Authority
- CN
- China
- Prior art keywords
- layer
- outer lane
- fire
- retardant
- retardant layer
- 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.)
- Expired - Fee Related
Links
- 239000010410 layer Substances 0.000 claims abstract description 93
- 239000003063 flame retardant Substances 0.000 claims abstract description 46
- 229920001971 elastomer Polymers 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 9
- 239000011241 protective layer Substances 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract 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 claims description 28
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 claims description 8
- 229920002748 Basalt fiber Polymers 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229910000629 Rh alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 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
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Abstract
The utility model relates to an electrician's sleeve pipe technical field just discloses a PVC electrician's sleeve pipe with electromagnetic shield function includes outer lane wear-resistant rubber layer, outer lane wear-resistant rubber layer's side fixedly connected with spring, the light-duty steel ring of one end fixedly connected with on outer lane wear-resistant rubber layer of keeping away from of spring. The utility model discloses a spring and light steel circle protect outer lane wear-resistant rubber layer and increase sheathed tube bulk strength, then make outer lane protective layer and wall body keep apart through the lug, it is intraductal to prevent that the moisture in the wall body from directly permeating into the cover, and make lug and wall body closely laminate through the spring, increase sheathed tube life through outer lane wear-resistant rubber layer, cooperate the reinforcing fiber to protect the cable through first fire-retardant layer and the fire-retardant layer of second, guarantee the life of cable, increase the electromagnetic shielding performance of body through the shielding layer, and strengthen the electromagnetic shielding performance of body through two netted aluminium strip secondaries.
Description
Technical Field
The utility model relates to an electrician's sleeve pipe technical field especially relates to a PVC electrician's sleeve pipe with electromagnetic shield function.
Background
The electrical casing is called as an insulating electrical casing for buildings, and is also called as a threading pipe. Generally speaking, the PVC hose is a hard PVC hose, 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 existing electrical sleeve is directly contacted with a wall, the electrical sleeve is easily corroded by humid air to cause the damage of a cable inside the electrical sleeve, the service life of the cable is shortened, the existing electrical sleeve is directly protected by only adopting a hard PVC rubber tube, the clarity and confidentiality of cable communication are ensured by the electromagnetic shielding function when the cable is used, and the electromagnetic shielding capability of the hard PVC rubber tube is poor.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the existing electrical sleeve is directly contacted with a wall, the electrical sleeve is easily corroded by humid air to cause the damage of a cable inside the electrical sleeve, the service life of the cable is shortened, the existing electrical sleeve is directly protected by only adopting a hard PVC rubber tube, the clarity and confidentiality of cable communication are ensured by the electromagnetic shielding function when the cable is used, and the electromagnetic shielding capability of the hard PVC rubber tube is poor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a PVC electrician sleeve pipe with electromagnetic shield function, includes outer lane wear-resistant rubber layer, the side fixedly connected with spring on outer lane wear-resistant rubber layer, the light-duty steel ring of one end fixedly connected with on outer lane wear-resistant rubber layer of keeping away from of spring, the side fixedly connected with lug of light-duty steel ring, the inboard on outer lane wear-resistant rubber layer bonds and has first fire-retardant layer, the inboard on first fire-retardant layer bonds and has the shielding layer, the inboard of shielding layer bonds and has the insulating layer, the inboard of insulating layer bonds and has the fire-retardant layer of second, the fire-retardant layer of second all fills with the inside on first fire-retardant layer has reinforcing fiber, the inboard of the fire-retardant layer of second bonds and has the rubber protective layer.
Preferably, the number of the lugs is four, and the four lugs are annularly distributed on the side face of the light steel ring at equal intervals.
Preferably, the shielding layer is made of copper, and two aluminum strips woven into a net shape are wound on the surface of the shielding layer.
Preferably, the insulating layer is made of a thermoplastic polyester elastomer, and the thickness of the insulating layer is 3 mm.
Preferably, the second flame-retardant layer and the first flame-retardant layer are formed by mixing a halogen flame retardant and a synthetic resin, and the thicknesses of the second flame-retardant layer and the first flame-retardant layer are both 5 mm.
Preferably, the reinforcing fibers are made of basalt fibers.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a spring and light gauge steel circle protect outer lane wear-resistant rubber layer and increase sheathed tube bulk strength, then make outer lane protective layer and wall body keep apart through the lug, it is intraductal to prevent that the moisture in the wall body from directly permeating into the cover, and make lug and wall body closely laminate through the spring, it is not hard up to prevent the sleeve pipe, increase sheathed tube life through outer lane wear-resistant rubber layer, through first fire-retardant layer and the fire-retardant layer cooperation reinforcing fiber of second protect the cable, prevent that the cable is impaired, guarantee the life of cable.
(2) The utility model discloses a shielding layer increases the electromagnetic shielding performance of body to strengthen the electromagnetic shielding performance of body through two netted aluminium strip secondaries, then protect the shielding layer through first fire-retardant layer and the fire-retardant layer of second, prevent that the shielding layer is impaired, prevent through the insulating layer that the cable leakage leads to the unable normal work of shielding layer, sheathed tube electromagnetic shielding performance is better.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the three-dimensional expanded structure of the present invention;
fig. 3 is an enlarged view of a structure in fig. 2.
In the figure: 1. an outer wear-resistant rubber layer; 2. a spring; 3. a light steel ring; 4. a bump; 5. a first flame retardant layer; 6. a shielding layer; 7. an insulating layer; 8. a second flame retardant layer; 9. a reinforcing fiber; 10. and a rubber protective 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.
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 PVC electrical casing with electromagnetic shielding function, comprising an outer ring wear-resistant rubber layer 1, a spring 2 fixedly connected to the side of the outer ring wear-resistant rubber layer 1, a light steel ring 3 fixedly connected to the end of the spring 2 far from the outer ring wear-resistant rubber layer 1, four bumps 4 fixedly connected to the side of the light steel ring 3, the four bumps 4 are annularly distributed on the side of the light steel ring 3 at equal intervals, the bumps 4 prevent moisture in the wall from directly permeating into the outer ring wear-resistant rubber layer 1, a first flame retardant layer 5 is bonded on the inner side of the outer ring wear-resistant rubber layer 1, a shielding layer 6 is bonded on the inner side of the first flame retardant layer 5, the shielding layer 6 is made of copper, two aluminum strips woven into a net shape are wound on the surface of the shielding layer 6, electromagnetic signals of cables are shielded by copper strips, and the shielding can be conducted in all directions, the high-frequency signal can be effectively shielded, the electromagnetic signal shielding performance of the sleeve is guaranteed, the insulating layer 7 is bonded on the inner side of the shielding layer 6, the insulating layer 7 is made of a thermoplastic polyester elastomer, the thickness of the insulating layer 7 is 3mm, the thermoplastic polyester elastomer has excellent elasticity of rubber and easy processability of thermoplastic plastics, the hardness of the thermoplastic polyester elastomer is adjustable, the thermoplastic polyester elastomer has good bending fatigue resistance, tear resistance, wear resistance, weather resistance and electrical performance, the thermoplastic polyester elastomer has excellent viscosity with paint, glue and metal, the thermoplastic polyester elastomer has good melting stability and sufficient thermoplasticity, and various thermoplastic processing technologies can be adopted for processing. The second flame-retardant layer 8 is bonded on the inner side of the insulating layer 7, the second flame-retardant layer 8 and the first flame-retardant layer 5 are formed by mixing a halogen flame retardant and synthetic resin, the thicknesses of the second flame-retardant layer 8 and the first flame-retardant layer 5 are both 5mm, the halogen flame retardant and the synthetic resin have good compatibility, the flame-retardant effect of the second flame-retardant layer 8 and the first flame-retardant layer 5 can be effectively ensured, the halogen flame retardant has low price, the production cost of the sleeve is greatly reduced, the second flame-retardant layer 8 and the first flame-retardant layer 5 are both filled with reinforcing fibers 9, the reinforcing fibers 9 are basalt fibers, the basalt fibers are continuous fibers formed by melting basalt stone at 1450-1500 ℃ and drawing at high speed through a platinum-rhodium alloy bushing, the basalt continuous fibers have high strength and also have various excellent performances of electrical insulation, corrosion resistance, high temperature resistance and the like, and the basalt fiber has little pollution to the environment, can be directly degraded in the environment, and does not cause environmental pollution, and the inner side of the second flame-retardant layer 8 is bonded with a rubber protective layer 10.
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 PVC electrician's sleeve pipe with electromagnetic shield function, includes outer lane wear-resisting rubber layer (1), its characterized in that: the side fixedly connected with spring (2) of outer lane wear-resisting rubber layer (1), the one end fixedly connected with light-duty steel ring (3) of keeping away from outer lane wear-resisting rubber layer (1) of spring (2), the side fixedly connected with lug (4) of light-duty steel ring (3), the inboard on outer lane wear-resisting rubber layer (1) bonds and has first fire-retardant layer (5), the inboard of first fire-retardant layer (5) bonds and has shielding layer (6), the inboard of shielding layer (6) bonds and has insulating layer (7), the inboard of insulating layer (7) bonds and has second fire-retardant layer (8), reinforcing fiber (9) have all been filled with the inside on first fire-retardant layer (5) second fire-retardant layer (8), the inboard of second fire-retardant layer (8) bonds and has rubber protective layer (10).
2. The PVC electrical casing with electromagnetic shielding function according to claim 1, wherein the number of the projections (4) is four, and four projections (4) are annularly distributed on the side surface of the light steel ring (3) at equal intervals.
3. The PVC electrical casing with electromagnetic shielding function according to claim 1, wherein the shielding layer (6) is made of copper, and two aluminum strips woven into a net shape are wound on the surface of the shielding layer (6).
4. The PVC electrical casing with electromagnetic shielding function according to claim 1, wherein the insulating layer (7) is made of thermoplastic polyester elastomer, and the thickness of the insulating layer (7) is 3 mm.
5. The PVC electrical casing with the electromagnetic shielding function according to claim 1, wherein the second flame-retardant layer (8) and the first flame-retardant layer (5) are formed by mixing a halogen flame retardant and a synthetic resin, and the thickness of the second flame-retardant layer (8) and the thickness of the first flame-retardant layer (5) are both 5 mm.
6. The PVC electrical casing with electromagnetic shielding function according to claim 1, wherein the reinforcing fibers (9) are basalt fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453626.3U CN215007746U (en) | 2021-03-02 | 2021-03-02 | PVC electrical casing with electromagnetic shielding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453626.3U CN215007746U (en) | 2021-03-02 | 2021-03-02 | PVC electrical casing with electromagnetic shielding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215007746U true CN215007746U (en) | 2021-12-03 |
Family
ID=79159186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120453626.3U Expired - Fee Related CN215007746U (en) | 2021-03-02 | 2021-03-02 | PVC electrical casing with electromagnetic shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215007746U (en) |
-
2021
- 2021-03-02 CN CN202120453626.3U patent/CN215007746U/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 |