CN207718927U - A kind of RVVP shielded power supplies control cable - Google Patents
A kind of RVVP shielded power supplies control cable Download PDFInfo
- Publication number
- CN207718927U CN207718927U CN201721918621.3U CN201721918621U CN207718927U CN 207718927 U CN207718927 U CN 207718927U CN 201721918621 U CN201721918621 U CN 201721918621U CN 207718927 U CN207718927 U CN 207718927U
- Authority
- CN
- China
- Prior art keywords
- cable
- restrictive coating
- cavity
- inner restrictive
- power supplies
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a kind of RVVP shielded power supplies control cable, including more cable cores, and it is coated on belting layer, shielded layer, inner restrictive coating and external sheath layer on more cable cores from inside to outside, cable core includes foiled yarn line core conductor and the insulating layer that is coated on outside foiled yarn line core conductor, it is equipped with the cavity extended in the shape of a spiral along the axial direction of inner restrictive coating in inner restrictive coating, flexible obturator is filled between cable core and belting layer.It is equipped with spiral helicine cavity in the inner restrictive coating of the utility model, enough deformation spaces can be provided in the axial direction of cable, so that the axial stress suffered by cable is reduced, avoid overflexing and damage cable；Spiral helicine cavity increases the intensity of inner restrictive coating in the axial direction compared to the cavity of straight line pylone shape, protects cable not by external force or environmental disruption.
Description
Technical field
The utility model belongs to field of cable technology, and in particular to a kind of RVVP shielded power supplies control cable.
Background technology
RVVP shielded power supplies control cable full name be：Copper core polyvinyl chloride-insulated polyvinyl chloride shielded flexible cable,
The transmission line of connecting line and automatic control system suitable for ac rated voltage 450/750V and following electrical instrumentation has resistance to
Oil, waterproof, wear-resisting, acid and alkali-resistance and various corrosive gas, ageing-resistant, the excellent properties such as do not burn, is suitble to metallurgy, electric power, stone
The industries such as change.RVVP shielded power supplies control cable is frequently necessary to bend during laying and use, and bending place is by outside
Pressure be easy to cause internal core and is damaged, to influence signal transmission effect.Therefore, a kind of anti-extrusion, anti-how is manufactured
The shielded power supply of bending controls cable, is a problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of RVVP shielded power supplies control cable of bend resistance.
The utility model provides the following technical solution：
A kind of RVVP shielded power supplies control cable, including more cable cores, and be coated on from inside to outside on more cable cores
Belting layer, shielded layer, inner restrictive coating and external sheath layer, cable core include foiled yarn line core conductor and are coated on foiled yarn line core conductor
Outer insulating layer, inner restrictive coating is interior to be equipped with the cavity extended in the shape of a spiral along the axial direction of inner restrictive coating, between cable core and belting layer
Fill flexible obturator.
Preferably, the utility model further includes the waterproof plug coordinated with cavity size, the end of the salable cavity of waterproof plug.
Preferably, inner restrictive coating is the heat-shrinkage material that is formed after high molecular material crosslinking by radiation process.
Preferably, waterproof plug is the low metal material of Thermal Contraction Coefficient.
Preferably, nitrogen is filled in cavity.
Preferably, elastic obturator is silicon rubber either fluorubber or polyurethane plastics.
The utility model has the beneficial effects that：
1. being equipped with spiral helicine cavity in inner restrictive coating, enough deformation spaces can be provided in the axial direction of cable, make cable
Suffered axial stress reduces, and avoids overflexing and damages cable；Cavity of the spiral helicine cavity relative to straight line pylone shape,
The intensity of inner restrictive coating in the axial direction is increased, protects cable not by external force or environmental disruption.
2. the end of the salable cavity of waterproof plug prevents rainwater, dust etc. from entering cavity internal corrosion inner restrictive coating, extends
The service life of cable.
3. inner restrictive coating is heat-shrinkage material, when cable is installed, it is only necessary to waterproof plug be preset in the end of cavity, reheated
Inner restrictive coating makes the end of cavity shrink, waterproof plug is securely fixed in the end of cavity, plays good sealing function；
This structure is not required to increase the inner wall of waterproof plug and cavity the design of connection structure, and parts machining is simple, and sealing effect is good.
4. being filled with nitrogen in cavity, nitrogen chemical property torpescence, good insulation preformance is not easy to expand with heat and contract with cold, expand
Cable increases the stability of inner restrictive coating to the scope of application of environment temperature；Oxygen in cavity is discharged nitrogen, avoids growing
Phase uses rear dioxygen oxidation inner restrictive coating and the shielded layer close to inner restrictive coating.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the cavity of the utility model；
Fig. 2 is the cross section structure schematic diagram of the utility model.
In figure label for：1. cable core；11. foiled yarn line core conductor；12. insulating layer；2. belting layer；3. shielded layer；In 4.
Restrictive coating；41. cavity；5. external sheath layer；6. elastic obturator；7. waterproof plug.
Specific implementation mode
As depicted in figs. 1 and 2, a kind of RVVP shielded power supplies control cable, including more cable cores 1, and wrap from inside to outside
Belting layer 2, shielded layer 3, inner restrictive coating 4 and the external sheath layer 5 on more cable cores 1 are overlayed on, cable core 1 includes foiled yarn line core conductor
11 and the insulating layer 12 that is coated on outside foiled yarn line core conductor 11, be equipped in inner restrictive coating 4 along inner restrictive coating 4 axial direction helically
The cavity 41 that shape extends, fills flexible obturator 6 between cable core 1 and belting layer.When cable twists deformation, cavity 41
Enough deformation spaces can be provided, so that the stress suffered by cable is reduced, avoid cable bad；Cavity 41 is set as helical form,
While improving cable bending resistance, make inner restrictive coating 4 that there is enough axial protection faces to cable core 1, to protect cable core 1 not
By external force or environmental disruption, the integral strength of cable is improved.Elastic obturator 6 between cable core 1 and belting layer, can reduce
Stress when cable folding further increases the bending resistance of cable.
Preferably, the utility model further includes the waterproof plug 7 coordinated with 41 size of cavity, 7 salable cavity 41 of waterproof plug
End, prevent rainwater, dust etc. enter 41 internal corrosion inner restrictive coating 4 of cavity, extend the service life of cable.
Preferably, inner restrictive coating 4 is the heat-shrinkage material that is formed after high molecular material crosslinking by radiation process.Installation
When cable, it is only necessary to waterproof plug 7 is preset in the end of cavity 41, inner restrictive coating 4 is reheated, the end of cavity 41 is made to shrink, it will
Waterproof plug 7 is securely fixed in the end of cavity 41, plays good sealing function；This structure is not required to waterproof plug 7 and cavity
41 inner wall increases the design of connection structure, and parts machining is simple, and installation is laborsaving convenient, and sealing effect is good.
Preferably, waterproof plug 7 is metal material, and the waterproof plug 7 of metal material is heat-shrinked system relative to inner restrictive coating 4
Number is relatively low, and in 4 heat shrinkable of inner restrictive coating, it is small that waterproof plug 7 shrinks size, further ensure waterproof plug 7 and cavity 41 it
Between leakproofness.
Preferably, nitrogen is filled in cavity 41.Nitrogen chemical property torpescence, good insulation preformance are not easy to expand with heat and contract with cold,
The scope of application of the cable to environment temperature is expanded, the stability of inner restrictive coating 4 is increased；Nitrogen arranges the oxygen in cavity 41
Go out, avoids dioxygen oxidation inner restrictive coating 4 and the shielded layer close to inner restrictive coating 4 after being used for a long time.
Preferably, elastic obturator 6 is silicon rubber either fluorubber or polyurethane plastics.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this practicality
Within novel protection domain.
Claims (6)
1. a kind of RVVP shielded power supplies control cable, which is characterized in that including more cable cores, and be coated on more from inside to outside
Belting layer, shielded layer, inner restrictive coating on the cable core and external sheath layer, the cable core include foiled yarn line core conductor and cladding
Insulating layer outside the foiled yarn line core conductor, the interior axial direction equipped with along the inner restrictive coating of the inner restrictive coating is in the shape of a spiral
The cavity of extension fills flexible obturator between the cable core and the belting layer.
2. RVVP shielded power supplies according to claim 1 control cable, which is characterized in that further include the end with the cavity
The matched waterproof plug for sealing the cavity in portion.
3. RVVP shielded power supplies according to claim 2 control cable, which is characterized in that the inner restrictive coating material is served as reasons
The heat-shrinkage material formed after high molecular material crosslinking by radiation process.
4. RVVP shielded power supplies according to claim 3 control cable, which is characterized in that the waterproof plug is metal material
Matter.
5. RVVP shielded power supplies according to claim 1 control cable, which is characterized in that the cavity is filled for nitrogen
Chamber.
6. RVVP shielded power supplies according to claim 1 control cable, which is characterized in that the elasticity obturator is silicon rubber
Glue either fluorubber or polyurethane plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918621.3U CN207718927U (en) | 2017-12-29 | 2017-12-29 | A kind of RVVP shielded power supplies control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918621.3U CN207718927U (en) | 2017-12-29 | 2017-12-29 | A kind of RVVP shielded power supplies control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207718927U true CN207718927U (en) | 2018-08-10 |
Family
ID=63053717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721918621.3U Expired - Fee Related CN207718927U (en) | 2017-12-29 | 2017-12-29 | A kind of RVVP shielded power supplies control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207718927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161062A (en) * | 2021-01-26 | 2021-07-23 | 李泽兵 | Spiral correction type bending-resistant cable |
-
2017
- 2017-12-29 CN CN201721918621.3U patent/CN207718927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161062A (en) * | 2021-01-26 | 2021-07-23 | 李泽兵 | Spiral correction type bending-resistant cable |
| CN113161062B (en) * | 2021-01-26 | 2022-07-15 | 安徽华菱电缆集团有限公司 | Spiral correction type anti-bending cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207718927U (en) | A kind of RVVP shielded power supplies control cable | |
| US8676020B2 (en) | Repair box for optical fibre composite electric power cable | |
| CN207266316U (en) | One kind fire prevention mineral insulation heating cable | |
| CN101800093A (en) | Externally-sleeved insulated sleeve | |
| CN214588141U (en) | Sealing structure and charging device | |
| CN201303064Y (en) | Protective sleeve for connection joints of cable | |
| CN108799649B (en) | Self-heating floating oil delivery hose and preparation method of constant-power heating belt thereof | |
| CN208908353U (en) | A kind of buried multilayer electric power protecting pipe | |
| CN201742064U (en) | Submersible cable connecting device | |
| CN206225967U (en) | Cable termination end socket | |
| CN105680391A (en) | Strain clamp for composite-core reinforced cable | |
| CN214588085U (en) | High-reliability polyvinyl chloride insulation flexible cable | |
| CN205122262U (en) | Novel truck master control cable | |
| CN205335590U (en) | Anticorrosive ground connection cable | |
| CN219832237U (en) | Cable with good tensile property | |
| CN218333166U (en) | Three-layer co-extrusion flame-retardant insulated overhead cable for laying in jungle | |
| CN204332521U (en) | A kind of electric automobile inside stube cable | |
| CN218548098U (en) | Double-layer corrosion-resistant Teflon heat-shrinkable tube | |
| CN220290482U (en) | Explosion-proof net electricity integration line | |
| CN217642664U (en) | Middle-low voltage hot-melting type cable intermediate joint | |
| CN217009593U (en) | Lengthened cable middle head | |
| CN210295991U (en) | High-temperature-resistant and corrosion-resistant circular oil-submersible pump cable | |
| CN201877147U (en) | Round and flat integrated electric submersible pump cable | |
| CN219085714U (en) | Thin-wall high-temperature-resistant cable | |
| CN204066852U (en) | Rated voltage 0.6/1kV and following wind power cable |
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: 20180810 Termination date: 20201229 |