CN215680156U - Insulating protective sleeve of cable - Google Patents
Insulating protective sleeve of cable Download PDFInfo
- Publication number
- CN215680156U CN215680156U CN202122304601.XU CN202122304601U CN215680156U CN 215680156 U CN215680156 U CN 215680156U CN 202122304601 U CN202122304601 U CN 202122304601U CN 215680156 U CN215680156 U CN 215680156U
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- sheath
- tape
- connecting sheet
- insulating
- cable
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Abstract
The utility model relates to an insulating protective sleeve of a cable, which comprises an aluminum-plastic composite tape longitudinally wrapped on a cable core, wherein a shielding layer, an insulating layer and an insulating inner sheath are sequentially arranged on the aluminum-plastic composite tape from inside to outside, a glass tape is wrapped on the insulating inner sheath, a mica tape is wrapped on the outer side of the glass tape, a water-blocking buffer tape is wrapped on the outer side of the mica tape, an outer sheath is arranged on the outer side of the water-blocking buffer tape, the shielding layer is woven by tinned copper wires, a rubber sheath is sleeved on the outer sheath, an opening is arranged on one side of the rubber sheath, a first connecting sheet and a second connecting sheet which are mutually attached are arranged at the opening, an arc-shaped bulge is arranged on the first connecting sheet, an internal mounting groove is formed between the arc-shaped bulge and the first connecting sheet, a notch is arranged on the first connecting sheet, a buckle is arranged on the second connecting sheet, the buckle is clamped in the mounting groove through the notch, and a flange is arranged at the end part of the second connecting sheet, the flange is attached to the arc-shaped protrusion. The insulating protective sleeve of the cable is high in safety performance, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to an insulating protective sleeve of a cable.
Background
Cables are generally rope-like cables made by twisting several or several groups of conductors (at least two per group), each group of conductors being insulated from each other and usually twisted around a center, covered with a highly insulating covering throughout, and erected in the air or installed underground or underwater for telecommunication or power transmission, the cable being of increasing specific weight in the power lines. Power cables are a product of cables used in the trunk lines of power systems to transmit and distribute high power electrical energy, including power cables of 1-500KV and above in various voltage classes.
Along with the increasing of cable use amount, service environment is abominable, and the problem of potential safety hazard appears gradually in the cable, and the insulating protective sheath of cable plays crucial guard action to the security performance of cable. The existing cable is influenced by the external working environment, has certain influence on the mechanical property and the service life, and has the problems of poor waterproof property, cracking aging, poor safety and reliability and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an insulating protective sleeve of a cable with high safety performance aiming at the defects of the prior art.
The technical scheme adopted by the utility model is as follows:
an insulating protective sleeve of a cable comprises an aluminum-plastic composite tape longitudinally wrapped on a cable core, wherein a shielding layer, an insulating layer and an insulating inner sheath are sequentially arranged on the aluminum-plastic composite tape from inside to outside, a glass tape is wrapped on the insulating inner sheath, a mica tape is wrapped on the outer side of the glass tape, a water-blocking buffer tape is wrapped on the outer side of the mica tape, an outer sheath is arranged on the outer side of the water-blocking buffer tape, the shielding layer is woven by tinned copper wires, a rubber sheath is sleeved on the outer sheath, an opening is arranged on one side of the rubber sheath, a first connecting sheet and a second connecting sheet which are mutually attached are arranged at the opening, an arc-shaped bulge is arranged on the first connecting sheet, an inner mounting groove is formed between the arc-shaped bulge and the first connecting sheet, a notch is arranged on the first connecting sheet, a buckle is arranged on the second connecting sheet, the buckle passes through the notch and is clamped in the mounting groove, and the end part of the second connecting sheet is provided with a flange, the flange is attached to the arc-shaped protrusion.
Preferably, the outer sheath is made of flame-retardant polyolefin sheath material.
Further preferably, the mica tape is a 6-layer mica tape.
Further preferably, the insulating layer is made of polyvinyl chloride material.
Further preferably, the insulating inner sheath is made of a radiation cross-linked polyethylene material.
Compared with the prior art, the utility model has the beneficial effects that:
the insulating protective sleeve of the cable is high in safety performance, the rubber sheath arranged on the outer layer is insulating, the cable is protected from being damaged, and meanwhile the rubber sheath can be conveniently mounted and dismounted through the buckle; the insulating layer and the insulating inner sheath effectively improve the insulating property; the water-blocking buffer belt can prevent external moisture from reentering, so that the moisture cannot diffuse longitudinally along the cable; the mica tape and the glass tape can effectively improve the high-temperature resistance of the flame-retardant wire and prolong the whole service life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
illustration of the drawings: the manufacturing method comprises the following steps of 1-a rubber sheath, 101-a first connecting sheet, 102-an arc-shaped bulge, 103-a flange, 104-a second connecting sheet, 105-a buckle, 2-an outer sheath, 3-a water-blocking buffer tape, 4-a mica tape, 5-a glass tape, 6-an insulating inner sheath, 7-an insulating layer, 8-a shielding layer and 9-an aluminum-plastic composite tape.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The utility model provides an insulating protective sheath of cable, is including locating the compound area 9 of aluminium-plastic of indulging the package on the cable core, from interior to exterior is equipped with shielding layer 8, insulating layer 7 and insulating inner sheath 6 on the compound area 9 of aluminium-plastic in proper order. The shielding layer 8 is braided by tinned copper wires. Meanwhile, the longitudinal wrapping of the aluminum-plastic composite belt 9 and the weaving of the tinned copper wire are used for realizing double-layer shielding, the aluminum foil of the aluminum-plastic composite belt 9 completely wraps the wire core, the radio frequency interference can be effectively resisted, and the attenuation of signal output of the control wire core can be reduced; the aluminum-plastic composite belt 9 and the shielding layer 8 are separated by a plastic layer of the aluminum-plastic composite belt 9. The double insulation improves the overall insulation performance. The insulating inner sheath 6 is coated with the glass tape 5, the glass tape 5 is coated with the mica tape 4, and the mica tape 4 and the glass tape 5 can effectively improve the high-temperature resistance of the flame-retardant wire. A water blocking buffer belt 3 is wrapped on the outer side of the mica tape 4, an outer sheath 2 is arranged on the outer side of the water blocking buffer belt 3, and the water blocking buffer belt 3 can prevent external moisture from entering again, so that the moisture cannot diffuse longitudinally along the cable.
The cover is equipped with rubber sheath 1 on the oversheath 2, and one side of rubber sheath 1 is equipped with the opening, and this opening part is equipped with first connection piece 101 and the second connection piece 104 of laminating each other, be equipped with the protruding 102 of arc on the first connection piece 101, form between this protruding 102 of arc and the first connection piece 101 inside mounting groove and be equipped with the breach on the first connection piece 101, be equipped with buckle 105 on the second connection piece 104, this buckle 105 passes the breach card and locates in the mounting groove, the tip of second connection piece 104 is equipped with flange 103, and this flange 103 laminates with the protruding 102 of arc mutually. Rubber sheath 1 that sets up at the skin is not only insulating, also plays the effect that the protection cable did not receive the injury simultaneously, and rubber sheath 1 can break off with the fingers and thumb through buckle 105 and be convenient for install and dismantle, when rubber sheath 1 damaged or ageing, is convenient for change.
The outer sheath 2 is made of flame-retardant polyolefin sheath materials.
More specifically, the mica tape 4 is a 6-layer mica tape, so that the high-temperature resistance of the flame-retardant wire can be effectively improved (up to 800 ℃).
More specifically, the insulating layer 7 is made of polyvinyl chloride. The insulating inner sheath 6 is made of irradiation cross-linked polyethylene material. The insulating property is improved.
The foregoing merely represents preferred embodiments of the utility model, which are described in some detail and detail, and therefore should not be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. An insulating protective sleeve of a cable is characterized by comprising an aluminum-plastic composite tape longitudinally wrapped on a cable core, wherein a shielding layer, an insulating layer and an insulating inner sheath are sequentially arranged on the aluminum-plastic composite tape from inside to outside, a glass tape is wrapped on the insulating inner sheath, a mica tape is wrapped on the outer side of the glass tape, a water-blocking buffer tape is wrapped on the outer side of the mica tape, an outer sheath is arranged on the outer side of the water-blocking buffer tape, the shielding layer is woven by tinned copper wires, a rubber sheath is sleeved on the outer sheath, an opening is arranged on one side of the rubber sheath, a first connecting sheet and a second connecting sheet which are mutually attached are arranged at the opening, an arc-shaped bulge is arranged on the first connecting sheet, an inner mounting groove is formed between the arc-shaped bulge and the first connecting sheet, a notch is arranged on the first connecting sheet, a buckle is arranged on the second connecting sheet, the buckle is clamped in the mounting groove by passing through the notch, and a flange is arranged at the end part of the second connecting sheet, the flange is attached to the arc-shaped protrusion.
2. The insulating protective sheath of a cable according to claim 1, wherein the outer sheath is made of a flame retardant polyolefin sheath material.
3. The insulating protective sheath of a cable according to claim 1, wherein the mica tape is a 6-layer mica tape.
4. An insulating protective sheath for cables as claimed in claim 1, wherein the insulating layer is of polyvinyl chloride.
5. An insulating protective sheath for cables according to claim 1, characterized in that the insulating inner sheath is made of radiation cross-linked polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122304601.XU CN215680156U (en) | 2021-09-23 | 2021-09-23 | Insulating protective sleeve of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122304601.XU CN215680156U (en) | 2021-09-23 | 2021-09-23 | Insulating protective sleeve of cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215680156U true CN215680156U (en) | 2022-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122304601.XU Active CN215680156U (en) | 2021-09-23 | 2021-09-23 | Insulating protective sleeve of cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215680156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116386933A (en) * | 2023-06-02 | 2023-07-04 | 广东胜宇电缆实业有限公司 | Insulating protective sleeve of cable conductor |
-
2021
- 2021-09-23 CN CN202122304601.XU patent/CN215680156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116386933A (en) * | 2023-06-02 | 2023-07-04 | 广东胜宇电缆实业有限公司 | Insulating protective sleeve of cable conductor |
| CN116386933B (en) * | 2023-06-02 | 2023-08-18 | 广东胜宇电缆实业有限公司 | Insulating protective sleeve of cable conductor |
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