CN215680158U - Wear-resistant high-temperature-resistant plastic insulated cable - Google Patents
Wear-resistant high-temperature-resistant plastic insulated cable Download PDFInfo
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- CN215680158U CN215680158U CN202122130953.8U CN202122130953U CN215680158U CN 215680158 U CN215680158 U CN 215680158U CN 202122130953 U CN202122130953 U CN 202122130953U CN 215680158 U CN215680158 U CN 215680158U
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Abstract
The utility model discloses a wear-resistant high-temperature-resistant plastic insulated cable which comprises an outer sheath layer, wherein an outer protective layer is wrapped and connected outside the outer sheath layer, a lug is fixedly connected outside the outer protective layer, an outer insulating layer is connected inside the outer sheath layer in a sleeved mode, and a wear-resistant mechanism is arranged between the outer sheath layer and the outer insulating layer; the high-temperature resistant mechanism is connected inside the outer insulating layer in a sleeved mode, the PE insulating layer is connected inside the outer insulating layer in a sleeved mode, and the PE insulating layer is located on the inner side of the high-temperature resistant mechanism; the supporting framework is connected to the inner portion of the PE insulating layer, and the cable cores are arranged on the outer portion of the supporting framework at equal angles. This wear-resisting high temperature resistant plastic insulated cable, at the in-process that uses, the wearability is strong, is difficult for causing the damage to the cable, and high temperature resistance is strong, has solved the cable and has burnt easily, influences the problem of normal use to can not cause the damage to the cable core at the in-process of bending the cable.
Description
Technical Field
The utility model relates to the technical field of plastic insulated cables, in particular to a wear-resistant and high-temperature-resistant plastic insulated cable.
Background
The plastic insulated cable is one of the most common cables in daily life, and the existing plastic insulated cable still has many problems in the outdoor use process, so that the plastic insulated cable with wear resistance and high temperature resistance is very important.
Chinese patent publication No. CN208368239U discloses a fire-resistant high temperature resistant plastic insulation control cable, including the conducting strip, one side outer wall top and the bottom of conducting strip are respectively through fix with screw has last stationary blade and lower stationary blade, and goes up one side outer wall top and the bottom of stationary blade and have surrounding layer and outer shielding layer through fix with screw respectively, the silicon rubber protective layer has been cup jointed to one side outer wall of outer shielding layer, and one side outer wall of silicon rubber protective layer has cup jointed the insulating layer, same armor has all been cup jointed to one side outer wall of insulating layer and one side inner wall of surrounding layer, and one side outer wall coating of surrounding layer has the flame retardant coating. The cable has the advantages that the fire resistance of the cable is enhanced, the damage caused by fire disaster is reduced, the use safety is improved, the heat dissipation performance of the cable is improved, the high temperature resistance of the cable can be enhanced, the service life of the lantern ring is prolonged, the convenience of cable installation is improved, and the workload of workers can be reduced.
The above prior art solutions have the following drawbacks: in the use process, due to poor wear resistance, the cable is easily damaged, and the high temperature resistance is poor, so that the cable is easily burnt, the normal use is influenced, and the cable core is easily damaged in the cable bending process, therefore, the wear-resistant high temperature-resistant plastic insulated cable is provided, so that the problems provided in the above are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wear-resistant and high-temperature-resistant plastic insulated cable, which solves the problems that the cable is easy to damage due to poor wear resistance and easy to burn due to poor high temperature resistance in the use process, the normal use of the cable is influenced, and the cable core is easy to damage in the bending process of the cable, which is proposed in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a wear and high temperature resistant plastic insulated cable comprising: the outer part of the outer sheath layer is wrapped and connected with an outer protective layer, the outer part of the outer protective layer is fixedly connected with a lug, the inner part of the outer sheath layer is connected with an outer insulating layer in a sleeved mode, and a wear-resistant mechanism is arranged between the outer sheath layer and the outer insulating layer;
the high-temperature resistant mechanism is connected inside the outer insulating layer in a sleeved mode, the PE insulating layer is connected inside the outer insulating layer in a sleeved mode, and the PE insulating layer is located on the inner side of the high-temperature resistant mechanism;
the supporting framework is connected to the inside of the PE insulating layer, the cable cores are arranged on the outside of the supporting framework at equal angles, and second filling materials are filled between the PE insulating layer and the supporting framework.
Preferably, the bumps are uniformly distributed outside the outer protective layer, and the longitudinal section of each bump is arc-shaped.
Preferably, the wear-resistant mechanism comprises a first polyurethane block, a second polyurethane block, a polyurethane strip and a first filler;
the first polyurethane block is fixedly arranged on the inner side wall of the outer sheath layer;
the second polyurethane block is fixedly connected to the inner end of the first polyurethane block;
a polyurethane strip attached to an outer side of the first polyurethane block;
and the first filling material is filled outside the polyurethane strip.
Preferably, the longitudinal section shapes of the first polyurethane block and the second polyurethane block are both trapezoidal, and the first polyurethane block, the second polyurethane block and the polyurethane strip are distributed in the outer sheath layer in a staggered manner.
Preferably, the high-temperature resistant mechanism comprises a silicone rubber layer, a polyphenylene sulfide high-temperature resistant layer and a nitrile rubber layer;
the silicon rubber layer is connected with the inner side wall of the outer insulating layer in a sleeved mode;
the polyphenylene sulfide high-temperature resistant layer is connected to the inner side wall of the silicon rubber layer in a sleeved mode;
the butadiene-acrylonitrile rubber layer is connected to the inner side wall of the polyphenylene sulfide high-temperature resistant layer in a sleeved mode.
Preferably, the silicone rubber layer, the polyphenylene sulfide high temperature resistant layer and the nitrile rubber layer are sequentially stacked from outside to inside on the outer insulating layer.
Preferably, the supporting framework is of a cross-shaped structure and plays a role in protecting the cable core in the PE insulating layer.
Compared with the prior art, the utility model has the beneficial effects that: the wear-resistant high-temperature-resistant plastic insulated cable has strong wear resistance, is not easy to damage the cable in the use process, has strong high-temperature resistance, solves the problems that the cable is easy to burn and the normal use is influenced, and cannot damage a cable core in the cable bending process;
1. the cable sheath is provided with the convex blocks and the first polyurethane blocks, the convex blocks are uniformly distributed outside the outer protective layer, so that the convex blocks can be preferentially contacted with the outside, the abrasion to the outside of the cable can be reduced, and then the first polyurethane blocks, the second polyurethane blocks and the polyurethane strips are distributed in the outer sheath layer in a staggered manner, so that the first polyurethane blocks, the second polyurethane blocks and the polyurethane strips can increase the supporting strength of the outer layer of the cable, and when the cable is extruded and impacted, the buffering effect can be achieved, the cable can be effectively protected from abrasion, and the cable is not easily damaged;
2. the cable is provided with the silicone rubber layer and the polyphenylene sulfide high-temperature resistant layer, and the silicone rubber layer, the polyphenylene sulfide high-temperature resistant layer and the nitrile rubber layer are sequentially stacked from outside to inside on the outer insulating layer, so that the high-temperature resistance of the cable can be effectively ensured, and the problem that the cable is easy to burn and normal use is influenced is solved;
3. be equipped with supporting framework and cable core, be the cruciform structure through supporting framework and play the guard action to the cable core in the PE insulating layer, make the flexibility that the cable can increase the cable under the condition of bending, avoid the cable core excessively to bend and cause the damage.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 4 is a schematic view of the connection structure of the PE insulating layer and the supporting frame according to the present invention.
In the figure: 1. an outer jacket layer; 2. an outer protective layer; 3. a bump; 4. a first polyurethane block; 5. a second polyurethane block; 6. an outer insulating layer; 7. polyurethane strips; 8. a first filler; 9. a high temperature resistant mechanism; 901. a silicone rubber layer; 902. a polyphenylene sulfide high temperature resistant layer; 903. a nitrile rubber layer; 10. a PE insulating layer; 11. a support framework; 12. a cable core; 13. and a second filler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a wear and high temperature resistant plastic insulated cable comprising: the outer part of the outer sheath layer 1 is wrapped and connected with an outer protective layer 2, the outer part of the outer protective layer 2 is fixedly connected with a lug 3, the inner part of the outer sheath layer 1 is connected with an outer insulating layer 6 in a sleeved mode, a wear-resistant mechanism is arranged between the outer sheath layer 1 and the outer insulating layer 6, a high-temperature-resistant mechanism 9 is connected inside the outer insulating layer 6 in a sleeved mode, a PE insulating layer 10 is connected inside the outer insulating layer 6 in a sleeved mode, the PE insulating layer 10 is located on the inner side of the high-temperature-resistant mechanism 9, a supporting framework 11 is connected inside the PE insulating layer 10, the outer part of the supporting framework 11 is provided with a cable core 12 in an equal-angle mode, second filler 13 is filled between the PE insulating layer 10 and the supporting framework 11, the outer sheath layer 1 and the outer protective layer 2 can play a role in preventing and protecting the cable, the wear resistance of the cable can be improved through the wear-resistant mechanism, and the high-temperature resistance of the cable can be improved through the high-temperature-resistant mechanism 9, the insulating property of the cable can be increased through the outer insulating layer 6 and the PE insulating layer 10, and the cable can be kept round through the first filling material 8 and the second filling material 13, so that the inner gap is reduced.
When the wear-resistant and high-temperature-resistant plastic insulated cable is used, as shown in fig. 1 and 3 in particular, during contact with the outside, the lugs 3 are uniformly distributed outside the outer protective layer 2, and the longitudinal section of each lug 3 is arc-shaped, so that the lugs 3 can be contacted and rubbed with the outside preferentially, thereby reducing the abrasion to the outside of the cable, and then the longitudinal section shapes of the first polyurethane block 4 and the second polyurethane block 5 are both in trapezoidal arrangement, so that the first polyurethane block 4 and the second polyurethane block 5 can support the outer layer of the cable, when the cable is extruded and impacted, the buffer effect can be achieved, and then the first polyurethane blocks 4, the second polyurethane blocks 5 and the polyurethane strips 7 are distributed in the outer sheath layer 1 in a staggered mode, so that the cable can be effectively subjected to a wear-resistant effect, the wear resistance is improved, and the cable is not easily damaged;
specifically as in fig. 1, fig. 2 and fig. 4, rethread silicon rubber layer 901, polyphenyl thioether high temperature resistant layer 902 and butadiene-acrylonitrile rubber layer 903 stack gradually the setting from outside to inside on external insulation layer 6, can effectively guarantee the high temperature resistance of cable, the easy burning of cable has been solved, influence the problem of normal use, rethread supporting framework 11 is the cruciform structure and plays the guard action to cable core 12 in PE insulating layer 10, make cable supporting framework 11 can increase the pliability of cable in the condition of bending, avoid the cable excessively to bend and cause the damage to cable core 12.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A wear-resistant high-temperature-resistant plastic insulated cable, characterized by comprising:
the outer part of the outer sheath layer is wrapped and connected with an outer protective layer, the outer part of the outer protective layer is fixedly connected with a lug, the inner part of the outer sheath layer is connected with an outer insulating layer in a sleeved mode, and a wear-resistant mechanism is arranged between the outer sheath layer and the outer insulating layer;
the high-temperature resistant mechanism is connected inside the outer insulating layer in a sleeved mode, the PE insulating layer is connected inside the outer insulating layer in a sleeved mode, and the PE insulating layer is located on the inner side of the high-temperature resistant mechanism;
the supporting framework is connected to the inside of the PE insulating layer, the cable cores are arranged on the outside of the supporting framework at equal angles, and second filling materials are filled between the PE insulating layer and the supporting framework.
2. The wear and high temperature resistant plastic insulated cable according to claim 1, characterized in that: the lugs are uniformly distributed outside the outer protective layer, and the longitudinal section of each lug is arc-shaped.
3. The wear and high temperature resistant plastic insulated cable according to claim 1, characterized in that: the wear-resistant mechanism comprises a first polyurethane block, a second polyurethane block, polyurethane strips and first fillers;
the first polyurethane block is fixedly arranged on the inner side wall of the outer sheath layer;
the second polyurethane block is fixedly connected to the inner end of the first polyurethane block;
a polyurethane strip attached to an outer side of the first polyurethane block;
and the first filling material is filled outside the polyurethane strip.
4. A wear and high temperature resistant plastic insulated cable according to claim 3, characterized in that: the longitudinal section shapes of the first polyurethane block and the second polyurethane block are both trapezoidal, and the first polyurethane block, the second polyurethane block and the polyurethane strip are distributed in the outer sheath layer in a staggered mode.
5. The wear and high temperature resistant plastic insulated cable according to claim 1, characterized in that: the high-temperature resistant mechanism comprises a silicone rubber layer, a polyphenylene sulfide high-temperature resistant layer and a nitrile rubber layer;
the silicon rubber layer is connected with the inner side wall of the outer insulating layer in a sleeved mode;
the polyphenylene sulfide high-temperature resistant layer is connected to the inner side wall of the silicon rubber layer in a sleeved mode;
the butadiene-acrylonitrile rubber layer is connected to the inner side wall of the polyphenylene sulfide high-temperature resistant layer in a sleeved mode.
6. The wear and high temperature resistant plastic insulated cable according to claim 5, characterized in that: the silicone rubber layer, the polyphenylene sulfide high-temperature resistant layer and the nitrile rubber layer are sequentially stacked from outside to inside on the outer insulating layer.
7. The wear and high temperature resistant plastic insulated cable according to claim 1, characterized in that: the supporting framework is of a cross structure and plays a role in protecting the cable core in the PE insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122130953.8U CN215680158U (en) | 2021-09-06 | 2021-09-06 | Wear-resistant high-temperature-resistant plastic insulated cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122130953.8U CN215680158U (en) | 2021-09-06 | 2021-09-06 | Wear-resistant high-temperature-resistant plastic insulated cable |
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| CN215680158U true CN215680158U (en) | 2022-01-28 |
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| CN202122130953.8U Active CN215680158U (en) | 2021-09-06 | 2021-09-06 | Wear-resistant high-temperature-resistant plastic insulated cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393218A (en) * | 2023-11-15 | 2024-01-12 | 飞鹏电缆有限公司 | Environment-friendly nontoxic flexible fireproof cable and manufacturing method thereof |
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2021
- 2021-09-06 CN CN202122130953.8U patent/CN215680158U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393218A (en) * | 2023-11-15 | 2024-01-12 | 飞鹏电缆有限公司 | Environment-friendly nontoxic flexible fireproof cable and manufacturing method thereof |
| CN117393218B (en) * | 2023-11-15 | 2024-03-26 | 飞鹏电缆有限公司 | Environment-friendly nontoxic flexible fireproof cable and manufacturing method thereof |
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