CN217955520U - Flame-retardant polyvinyl chloride insulated control cable - Google Patents
Flame-retardant polyvinyl chloride insulated control cable Download PDFInfo
- Publication number
- CN217955520U CN217955520U CN202221213440.1U CN202221213440U CN217955520U CN 217955520 U CN217955520 U CN 217955520U CN 202221213440 U CN202221213440 U CN 202221213440U CN 217955520 U CN217955520 U CN 217955520U
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- China
- Prior art keywords
- fire
- retardant
- polyvinyl chloride
- cable main
- flame
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- 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
- 239000003063 flame retardant Substances 0.000 title claims abstract description 66
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 37
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 37
- 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 description 25
- 239000010410 layer Substances 0.000 claims abstract description 24
- 239000004743 Polypropylene Substances 0.000 claims abstract description 20
- -1 polypropylene Polymers 0.000 claims abstract description 20
- 229920001155 polypropylene Polymers 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 abstract description 9
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 2
- 230000001771 impaired effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to a technical field of cable to a fire-retardant type polyvinyl chloride insulation control cable is disclosed, be in including the cable main part and connect the inboard fire-retardant board of cable main part, the through wires hole has been seted up on the surface of fire-retardant board, the inboard of cable main part is provided with the armor insulating layer, the inside overlap joint of armor insulating layer has fire-retardant polypropylene protective layer, the inboard overlap joint of fire-retardant polypropylene protective layer has polyvinyl chloride insulation protective sheath, polyvinyl chloride insulation protective sheath's inboard is provided with the copper wire sinle silk. This fire-retardant type polyvinyl chloride insulation control cable, fire-retardant board can carry out the separation to the intensity of a fire on cable main body surface for the intensity of a fire can only influence solitary a set of cable main body, can not enlarge the intensity of a fire, causes the problem of burning to appear simultaneously in all cable main bodies, can show hardness and the stretching resistance that improves cable main body through being provided with the armor insulating layer, prevents to appear the problem that the extrusion caused the destruction to conductive core.
Description
Technical Field
The utility model relates to a technical field of cable specifically is a fire-retardant type polyvinyl chloride insulated control cable.
Background
The cable is an electric energy or signal transmission device, usually it is made up of several or several groups of wire, the electric wire and cable is the national economy's pillar industry of our country too, apply to each field of the social life extensively, play a very important role in the national economy, the control cable is laid indoor usually, in the cable trench, in the pipeline and underground, the traditional control cable intensity is low, often will take place the phenomenon that the crazing will pulverize at the outer layer in the course of using, thus has shortened its life greatly, and the traditional control cable is extremely apt to burn, there are enormous potential safety hazards.
Therefore, in order to solve the problems, a flame-retardant polyvinyl chloride insulated control cable is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a fire-retardant type polyvinyl chloride insulated control cable has solved traditional control cable intensity and has hanged down, often can take place to split in the use and can be at the phenomenon of outer pulverization to great shortening its life, traditional control cable very easily burns moreover, has the problem of huge potential safety hazard.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a fire-retardant type polyvinyl chloride insulation control cable, includes the cable main part and connects the inboard fire-retardant board of cable main part, the through wires hole has been seted up on the surface of fire-retardant board, the inboard of cable main part is provided with the armor insulating layer, the inside overlap joint of armor insulating layer has fire-retardant polypropylene protective layer, the inboard overlap joint of fire-retardant polypropylene protective layer has polyvinyl chloride insulating protective cover, polyvinyl chloride insulating protective cover's inboard is provided with the copper wire sinle silk.
Further, the threading holes penetrate through the surface of the flame-retardant plate.
Furthermore, the copper wire core is arranged on the innermost layer of the cable main body, and is sequentially wound with a polyvinyl chloride insulating protective sleeve, a flame-retardant polypropylene protective layer and an armored insulating layer to protect the cable main body.
Furthermore, the polyvinyl chloride insulating protective sleeve, the flame-retardant polypropylene protective layer and the armor insulating layer are all cylindrical hollow structures and are mutually sleeved together.
Furthermore, the cable main bodies are mutually separated through the flame-retardant plate, and the copper wire cores penetrate through the threading holes in the flame-retardant plate and are mutually connected.
The utility model discloses technical scheme has following beneficial effect:
1. this fire-retardant type polyvinyl chloride insulation control cable, fire-retardant board can carry out the separation to the intensity of a fire on cable main part surface for the intensity of a fire only can influence an solitary a set of cable main part, can not enlarge the intensity of a fire, causes the problem that all cable main parts appear burning simultaneously.
2. This fire-retardant type polyvinyl chloride insulated control cable can show hardness and the stretching resistance that improves the cable main part through being provided with the armor insulating layer, prevents to appear the problem that the extrusion caused the destruction to conductive core.
3. This fire-retardant type polyvinyl chloride insulation control cable through being provided with fire-retardant polypropylene protective layer and polyvinyl chloride insulation protection cover, carries out the fire-retardant protection of multilayer to the cable main part, prevents that short circuit, the impaired problem of burning from appearing in the cable main part.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a schematic view of the present invention showing a disassembled structure in fig. 3;
fig. 5 is a schematic cross-sectional view of the structure of fig. 4 according to the present invention.
In the figure: 1. a cable main body; 2. a flame retardant sheet; 3. a threading hole; 4. an armor insulating layer; 5. a flame retardant polypropylene protective layer; 6. a polyvinyl chloride insulating protective sleeve; 7. and a copper wire core.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected," "connected," and the like should be understood broadly, and mean that they may be fixedly connected, integrally connected, or detachably connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by a person skilled in the art and should not be construed as limiting the present disclosure.
Referring to fig. 1 to 5, a flame retardant polyvinyl chloride insulation control cable includes a cable main body 1 and a flame retardant plate 2 connected to an inner side of the cable main body 1, wherein a threading hole 3 is formed in a surface of the flame retardant plate 2, and the threading hole 3 penetrates through the surface of the flame retardant plate 2.
Copper wire sinle silk 7 cross-under is in cable main body 1's inside, all be provided with fire-retardant board 2 between every group cable main body 1, copper wire sinle silk 7 cross-under carries out interconnect through fire-retardant inboard threading hole 3, if the condition that cable main body 1 catches fire appears, fire-retardant board 2 can carry out the separation to the intensity of a fire on cable main body 1 surface, make the intensity of a fire only can influence solitary a set of cable main body 1, can not enlarge the intensity of a fire, cause the problem of burning to appear simultaneously in all cable main bodies 1.
The inboard of cable main part 1 is provided with armor insulating layer 4, the inside overlap joint of armor insulating layer 4 has fire-retardant polypropylene protective layer 5, the inboard overlap joint of fire-retardant polypropylene protective layer 5 has polyvinyl chloride insulating protective sheath 6, polyvinyl chloride insulating protective sheath 6's inboard is provided with copper wire sinle silk 7, copper wire sinle silk 7 sets up the inlayer at cable main part 1, the winding has polyvinyl chloride insulating protective sheath 6 in proper order, fire-retardant polypropylene protective layer 5 and armor insulating layer 4, polyvinyl chloride insulating protective sheath 6, fire-retardant polypropylene protective layer 5 and armor insulating layer 4 all are cylindric hollow structure, cup joint together each other, separate each other through fire-retardant board 2 between the cable main part 1, copper wire sinle silk 7 passes the inside through wires hole 3 interconnect of fire-retardant board 2.
An armored insulating layer 4, a flame-retardant polypropylene protective layer 5 and a polyvinyl chloride insulating protective sleeve 6 are respectively arranged inside the cable main body 1 and are sleeved outside the copper wire core 7, the hardness and tensile resistance of the cable main body 1 can be obviously improved through the armored insulating layer 4, and the conductive wire core is prevented from being damaged by extrusion; through being provided with fire-retardant polypropylene protective layer 5 and polyvinyl chloride insulating protective sheath 6, carry out the fire-retardant protection of multilayer to cable main part 1, prevent that short circuit, the impaired problem of burning from appearing in cable main part 1.
For the convenience of understanding the above technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process:
the working principle is as follows: when using, copper wire sinle silk 7 cross-under is in cable main part 1's inside, all be provided with fire-retardant board 2 between every group cable main part 1, copper wire sinle silk 7 cross-under carries out interconnect through fire-retardant board 2 inside through wires hole 3, if when the condition that cable main part 1 catches fire appears, fire-retardant board 2 can carry out the separation to the intensity of a fire on cable main part 1 surface, make the intensity of a fire only can influence an solitary a set of cable main part 1, can not enlarge the intensity of a fire, cause all cable main part 1 to appear the problem of burning simultaneously.
An armored insulating layer 4, a flame-retardant polypropylene protective layer 5 and a polyvinyl chloride insulating protective sleeve 6 are respectively arranged inside the cable main body 1 and are sleeved outside the copper wire core 7, the hardness and the tensile resistance of the cable main body 1 can be obviously improved through the armored insulating layer 4, and the conductive wire core is prevented from being damaged due to extrusion; through being provided with fire-retardant polypropylene protective layer 5 and polyvinyl chloride insulating protective sheath 6, carry out the fire-retardant protection of multilayer to cable main part 1, prevent that short circuit, the impaired problem of burning from appearing in cable main part 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a fire-retardant type polyvinyl chloride insulated control cable which characterized in that: including cable main part (1) and connection fire-retardant board (2) of cable main part (1) inboard, through wires hole (3) have been seted up on the surface of fire-retardant board (2), the inboard of cable main part (1) is provided with armor insulating layer (4), the inside overlap joint of armor insulating layer (4) has fire-retardant polypropylene protective layer (5), the inboard overlap joint of fire-retardant polypropylene protective layer (5) has polyvinyl chloride insulating protective cover (6), the inboard of polyvinyl chloride insulating protective cover (6) is provided with copper wire sinle silk (7).
2. The flame retardant polyvinyl chloride insulated control cable according to claim 1, wherein: the threading holes (3) penetrate through the surface of the flame-retardant plate (2).
3. The flame retardant polyvinyl chloride insulated control cable according to claim 1, wherein: the copper wire core (7) is arranged on the innermost layer of the cable main body (1) and is sequentially wound with a polyvinyl chloride insulating protective sleeve (6), a flame-retardant polypropylene protective layer (5) and an armor insulating layer (4).
4. The flame-retardant polyvinyl chloride insulated control cable according to claim 1, characterized in that: the polyvinyl chloride insulating protective sleeve (6), the flame-retardant polypropylene protective layer (5) and the armor insulating layer (4) are all of cylindrical hollow structures and are mutually sleeved together.
5. The flame retardant polyvinyl chloride insulated control cable according to claim 1, wherein: the cable is characterized in that the cable main body (1) is mutually separated through the flame-retardant plate (2), and the copper wire core (7) penetrates through the threading holes (3) in the flame-retardant plate (2) to be mutually connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221213440.1U CN217955520U (en) | 2022-05-20 | 2022-05-20 | Flame-retardant polyvinyl chloride insulated control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221213440.1U CN217955520U (en) | 2022-05-20 | 2022-05-20 | Flame-retardant polyvinyl chloride insulated control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217955520U true CN217955520U (en) | 2022-12-02 |
Family
ID=84214954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221213440.1U Expired - Fee Related CN217955520U (en) | 2022-05-20 | 2022-05-20 | Flame-retardant polyvinyl chloride insulated control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217955520U (en) |
-
2022
- 2022-05-20 CN CN202221213440.1U patent/CN217955520U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221202 |