CN220252905U - Cable with stretch-proofing structure - Google Patents
Cable with stretch-proofing structure Download PDFInfo
- Publication number
- CN220252905U CN220252905U CN202321946432.2U CN202321946432U CN220252905U CN 220252905 U CN220252905 U CN 220252905U CN 202321946432 U CN202321946432 U CN 202321946432U CN 220252905 U CN220252905 U CN 220252905U
- Authority
- CN
- China
- Prior art keywords
- outer side
- cable
- sleeve
- layer
- sleeved
- 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
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010445 mica Substances 0.000 claims abstract description 18
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- 239000003063 flame retardant Substances 0.000 claims abstract description 17
- 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 abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 12
- 230000009970 fire resistant effect Effects 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000009422 external insulation Methods 0.000 claims description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulating Bodies (AREA)
Abstract
The utility model discloses a cable with a stretch-proof structure, which comprises a cable core body, wherein the outer side wall of the cable core body is wrapped with an inner insulating protective sleeve, the outer side of the inner insulating protective sleeve is wrapped with an oxygen isolation layer, the outer side of the oxygen isolation layer is wrapped with a flame retardant layer, the outer side of the flame retardant layer is sleeved with a seamless copper pipe, the outer side of the seamless copper pipe is sleeved with an outer insulating protective sleeve, the flame retardant layer comprises a mica tape and a raised strip, the outer side wall of the mica tape is provided with the raised strip, the mica tape is spirally wrapped on the outer side of the oxygen isolation layer, the inner side wall of the seamless copper pipe is provided with a clamping groove, the clamping groove is in a spiral shape, the raised strip can be clamped into the clamping groove, the flame retardant layer arranged in the device comprises the mica tape and the raised strip, the stretch-proof performance of the device is improved through the cooperation of the raised strip and the clamping groove in the seamless copper pipe, the phenomenon that the cable breaks under the stretching of external force is avoided as far as possible, and in addition, the device is further provided with a fixing sleeve for fixing the position of the cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a cable with a stretch-proof structure.
Background
The cable is an electric energy or signal transmission device, and is generally composed of several wires or groups of wires, and is mainly used for connecting circuits, electric appliances and the like;
however, when the existing cable is used, the phenomenon that the existing cable is broken due to external force is easy to occur, so that the normal use of the cable is affected.
Disclosure of Invention
The present utility model is directed to a cable with a stretch-proof structure, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the cable with the stretch-proofing structure comprises a cable core body, wherein an inner insulating protective sleeve is wrapped on the outer side wall of the cable core body, an oxygen isolation layer is wrapped on the outer side of the inner insulating protective sleeve, a flame-retardant layer is wrapped and installed on the outer side of the oxygen isolation layer, a seamless copper pipe is sleeved on the outer side of the flame-retardant layer, and an outer insulating protective sleeve is sleeved on the outer side of the seamless copper pipe;
the fire-retardant layer comprises a mica tape and raised strips, the raised strips are arranged on the outer side wall of the mica tape, and the mica tape is spirally wound and arranged on the outer side of the oxygen barrier layer;
the inner side wall of the seamless copper pipe is provided with a clamping groove, the clamping groove is spiral, and the convex strips can be clamped into the clamping groove.
Preferably, the internal insulation protecting sleeve comprises a fire-resistant layer and an insulation layer, wherein the fire-resistant layer is sleeved on the outer side of the cable core body, and the insulation layer is sleeved on the outer side of the fire-resistant layer.
Preferably, the oxygen barrier layer is aluminum hydroxide;
the external insulation protective sleeve is made of a low-smoke halogen-free material.
Preferably, the outer insulation protection sleeve is sleeved with the fixing sleeve, lugs are mounted on the side walls of the fixing sleeve, and bolts are inserted into the upper walls of the lugs.
Preferably, the bolt comprises a bolt main body, a rubber sleeve, a cavity, a connecting belt and a protective cap;
the bolt main body penetrates through the lower wall of the lug, a rubber sleeve is sleeved on the outer side of the bolt main body, and a cavity is formed in the lower wall of the rubber sleeve;
one end of a connecting belt is arranged on the side wall of the rubber sleeve, and a protective cap is arranged on the other end of the connecting belt and can cover the outer part of the bolt head of the bolt main body.
Preferably, the inner side wall of the fixing sleeve is provided with anti-skid patterns.
Compared with the prior art, the utility model has the beneficial effects that:
the flame-retardant layer arranged in the device comprises a mica tape and a raised line, and the raised line is matched with the clamping groove in the seamless copper pipe, so that the stretching resistance of the device is improved, and the phenomenon that the cable is broken under the stretching of external force is avoided as far as possible;
in addition, the fixing sleeve is arranged outside the outer insulating protective sleeve of the device, so that the device can fix the position of the cable, and the cable can be conveniently erected and installed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic cross-sectional view of a retaining sleeve according to the present utility model.
In the figure: the cable comprises a cable core body 1, an inner insulating protective sleeve 2, a fireproof layer 21, an insulating layer 22, an oxygen isolation layer 3, a flame retardant layer 4, a mica tape 41, a 42 convex strip, a 5 seamless copper pipe, an outer insulating protective sleeve 6, a 7 clamping groove, an 8 fixing sleeve, a 9 lug, a 10 bolt, a 101 bolt main body, a 102 rubber sleeve, a 103 cavity, a 104 connecting tape, a 105 protective cap and 11 anti-skid patterns.
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.
Referring to fig. 1-2, the present utility model provides a technical solution: the cable with the stretch-proofing structure comprises a cable core body 1, wherein an inner insulating protective sleeve 2 is wrapped on the outer side wall of the cable core body 1, an oxygen isolation layer 3 is wrapped on the outer side of the inner insulating protective sleeve 2, a flame retardant layer 4 is wrapped on the outer side of the oxygen isolation layer 3, a seamless copper pipe 5 is sleeved on the outer side of the flame retardant layer 4, and an outer insulating protective sleeve 6 is sleeved on the outer side of the seamless copper pipe 5;
the cable core 1 is herein a copper core;
the oxygen isolation layer 3 adopts aluminum hydroxide, and when encountering open fire, the material can separate out a large amount of water to reduce the ambient temperature, and form a non-melting and non-combustible alumina hard shell to isolate the contact of insulating organic matters and the outside air, so that the cable achieves the purpose of self-extinguishing, thereby greatly improving the flame retardant level;
the flame-retardant layer 4 comprises a mica tape 41 and raised strips 42, the raised strips 42 are arranged on the outer side wall of the mica tape 41, and the mica tape 41 is spirally wound and arranged on the outer side of the oxygen barrier layer 3;
the mica tape 41 is a fire-resistant insulating material, and can further improve the fire resistance of the device;
the inner side wall of the seamless copper pipe 5 is provided with a clamping groove 7, the clamping groove 7 is spiral, and the raised strips 42 can be clamped into the clamping groove 7;
when the cable is stretched externally, the matching of the raised strips 42 and the clamping grooves 7 increases the stretching resistance of the device, and the phenomenon that the cable is broken under the stretching of external force is avoided as far as possible.
Specifically, the inner insulation protecting sleeve 2 comprises a fire-resistant layer 21 and an insulation layer 22, wherein the fire-resistant layer 21 is sleeved on the outer side of the cable core body 1, and the insulation layer 22 is sleeved on the outer side of the fire-resistant layer 21;
the refractory layer 21 proposed herein is also wound with mica tape.
Specifically, the oxygen barrier layer 3 is aluminum hydroxide;
the outer insulating protective sheath 6 is a low smoke halogen-free material.
Specifically, the device further comprises a fixing sleeve 8, wherein the fixing sleeve 8 is sleeved on the outer side of the external insulation protective sleeve 6, a lug 9 is arranged on the side wall of the fixing sleeve 8, and a bolt 10 is inserted into the upper wall of the lug 9;
the position of the fixing sleeve 8 can be fixed through the bolts 10, so that the fixing sleeve 8 can be used for fixing the device.
Specifically, the bolt 10 includes a bolt body 101, a rubber sleeve 102, a cavity 103, a connecting band 104, and a protective cap 105;
the bolt main body 101 penetrates through the lower wall of the lug 9, the outer side of the bolt main body 101 is sleeved with a rubber sleeve 102, and a cavity 103 is formed in the lower wall of the rubber sleeve 102;
one end of a connecting belt 104 is arranged on the side wall of the rubber sleeve 102, a protective cap 105 is arranged on the other end of the connecting belt 104, and the protective cap 105 can cover the outside of the bolt head of the bolt main body 101;
because the cavity 103 is arranged below the rubber sleeve 102, the rubber sleeve 102 forms a structure similar to a sucker, and the rubber sleeve 102 can be adsorbed above the lug 9 after the bolt main body 101 is screwed, so that holes penetrating through the bolts 10 on the lug 9 are shielded, soil or rainwater is prevented from entering the holes, and the later disassembly of the bolts 10 is influenced.
Specifically, the inner side wall of the fixed sleeve 8 is provided with anti-skid patterns 11;
the anti-skid patterns 11 can increase the friction between the fixing sleeve 8 and the external insulation protective sleeve 6, and improve the fixing effect of the fixing sleeve 8 on the cable.
Working principle: the mica tape 41 is wound outside the oxygen isolation layer 3 through an external wrapping machine, then the cable core 1 wrapped with the flame retardant layer 4 is installed inside the seamless copper pipe 5 through the cooperation between the raised strips 42 and the clamping grooves 7 in a screwing mode, and then an external insulating protective sleeve 6 is sleeved outside the seamless copper pipe 5;
when the device is required to be erected, the position of the fixing sleeve 8 is fixed through the fixing sleeve 8 and the bolts 10 on the lugs 9, so that the device is fixed through the fixing sleeve 8.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A cable with stretch-proof construction, comprising a cable core (1), characterized in that: the cable comprises a cable core body (1), wherein the outer side wall of the cable core body (1) is wrapped with an inner insulation protective sleeve (2), the outer side of the inner insulation protective sleeve (2) is wrapped with an oxygen isolation layer (3), the outer side of the oxygen isolation layer (3) is wrapped with a flame retardant layer (4), the outer side of the flame retardant layer (4) is sleeved with a seamless copper pipe (5), and the outer side of the seamless copper pipe (5) is sleeved with an outer insulation protective sleeve (6);
the flame retardant layer (4) comprises a mica tape (41) and raised strips (42), the raised strips (42) are arranged on the outer side wall of the mica tape (41), and the mica tape (41) is spirally wound and arranged on the outer side of the oxygen barrier layer (3);
the inner side wall of the seamless copper pipe (5) is provided with a clamping groove (7), the clamping groove (7) is spiral, and the raised strips (42) can be clamped into the clamping groove (7).
2. A cable having a stretch-proof structure according to claim 1, wherein: the inner insulation protective sleeve (2) comprises a fire-resistant layer (21) and an insulation layer (22), wherein the fire-resistant layer (21) is sleeved on the outer side of the cable core body (1), and the insulation layer (22) is sleeved on the outer side of the fire-resistant layer (21).
3. A cable having a stretch-proof structure according to claim 1, wherein: the oxygen barrier layer (3) is aluminum hydroxide;
the external insulation protective sleeve (6) is made of a low-smoke halogen-free material.
4. A cable having a stretch resistant construction according to claim 3, wherein: the fixing device is characterized by further comprising a fixing sleeve (8), wherein the fixing sleeve (8) is sleeved on the outer side of the external insulation protecting sleeve (6), a lug (9) is arranged on the side wall of the fixing sleeve (8), and a bolt (10) is inserted into the upper wall of the lug (9).
5. The cable with stretch-proof construction of claim 4, wherein: the bolt (10) comprises a bolt main body (101), a rubber sleeve (102), a cavity (103), a connecting belt (104) and a protective cap (105);
the bolt main body (101) penetrates through the lower wall of the lug (9), a rubber sleeve (102) is sleeved on the outer side of the bolt main body (101), and a cavity (103) is formed in the lower wall of the rubber sleeve (102);
one end of a connecting belt (104) is arranged on the side wall of the rubber sleeve (102), a protective cap (105) is arranged on the other end of the connecting belt (104), and the protective cap (105) can cover the outside of the bolt head of the bolt main body (101).
6. The cable with stretch-proof construction of claim 4, wherein: anti-skid patterns (11) are formed in the inner side wall of the fixing sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321946432.2U CN220252905U (en) | 2023-07-24 | 2023-07-24 | Cable with stretch-proofing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321946432.2U CN220252905U (en) | 2023-07-24 | 2023-07-24 | Cable with stretch-proofing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220252905U true CN220252905U (en) | 2023-12-26 |
Family
ID=89266232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321946432.2U Active CN220252905U (en) | 2023-07-24 | 2023-07-24 | Cable with stretch-proofing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220252905U (en) |
-
2023
- 2023-07-24 CN CN202321946432.2U patent/CN220252905U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |