CN216749390U - Concentric conductor motor cable - Google Patents
Concentric conductor motor cable Download PDFInfo
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- CN216749390U CN216749390U CN202220294628.7U CN202220294628U CN216749390U CN 216749390 U CN216749390 U CN 216749390U CN 202220294628 U CN202220294628 U CN 202220294628U CN 216749390 U CN216749390 U CN 216749390U
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- inner sleeve
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Abstract
The utility model discloses a concentric conductor motor cable which comprises a wire core and a protective sleeve wrapped on the outer side of the wire core, wherein the wire core comprises an inner sleeve which is annularly arranged, a plurality of supporting plate blocks are fixedly connected inside the inner sleeve, a main wire body is arranged in the center of the inside of the inner sleeve, the peripheral surface of the main wire body is abutted against the bottom ends of the supporting plate blocks, a plurality of auxiliary wire bodies are arranged on the outer side of the supporting plate blocks, the auxiliary wire bodies are uniformly distributed on the outer side of the main wire body at equal intervals according to the axis of the main wire body, and the protective sleeve sequentially comprises an insulating layer, a waterproof layer and a wear-resistant layer from inside to outside. According to the utility model, the auxiliary line body is arranged in the buffer cavity formed by two adjacent supporting plate blocks, and two adjacent auxiliary line bodies are separated by the buffer cavity, so that on one hand, the two adjacent auxiliary line bodies can be prevented from being contacted to generate friction, on the other hand, the main line body and the auxiliary line body can be prevented from being contacted to generate friction, and further the service life of the cable is prolonged.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a concentric conductor motor cable.
Background
At present, domestic concentric conductors mainly adopt hard structure conductors, have stable structures and are used for fixedly mounting electrical equipment and the like. In the process of moving or bending the cable, two adjacent wires on the concentric layers easily slide to cause mutual extrusion, so that the two wires rub against each other to possibly cause damage to the outer surfaces of the wires, electric leakage is caused, and the use safety of the cable is influenced.
To this end, a concentric conductor motor cable is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a concentric conductor motor cable to solve the problem that two adjacent wires in a concentric layer are easy to slip and squeeze each other, so that the two wires rub each other to possibly damage the outer surfaces of the wires and cause electric leakage.
In order to achieve the purpose, the utility model provides the following technical scheme: a concentric conductor motor cable comprises a wire core and a protective sleeve wrapped on the outer side of the wire core, wherein the wire core comprises an inner sleeve which is annularly arranged, a plurality of supporting plate blocks are fixedly connected inside the inner sleeve, a main wire body is arranged in the center of the inside of the inner sleeve, the peripheral surface of the main wire body is abutted against the bottom ends of the supporting plate blocks, a plurality of auxiliary wire bodies are arranged on the outer side of the supporting plate blocks, and the auxiliary wire bodies are uniformly distributed on the outer side of the main wire body at equal intervals according to the axis of the main wire body;
the protective sleeve sequentially comprises an insulating layer, a waterproof layer and a wear-resistant layer from inside to outside.
Preferably, a plurality of the supporting plate blocks are distributed on the inner side of the inner sleeve in a rectangular array.
Preferably, a plurality of buffer cavities are formed in the inner sleeve by the plurality of supporting plate blocks and the inner sleeve, and the secondary wire bodies are arranged in the buffer cavities and abutted against the two adjacent secondary wire bodies.
Preferably, the inner side of the insulating layer is tightly attached to the outer side of the inner sleeve through an adhesive, and the insulating layer is made of a high-flame-retardant chlorinated polyethylene material.
Preferably, the outer side of the insulating layer is closely attached to the inner side of the waterproof layer through an adhesive, a plurality of conjunction grooves are longitudinally formed in the outer side of the waterproof layer, and absorbent cotton slivers are fixedly embedded in the conjunction grooves.
Preferably, the outer side of the waterproof layer is tightly attached to the wear-resistant layer through an adhesive, and the wear-resistant layer is made of ethylene propylene rubber.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the auxiliary line body is arranged in the buffer cavity formed by two adjacent supporting plate blocks, and two adjacent auxiliary line bodies are separated by the buffer cavity, so that on one hand, the two adjacent auxiliary line bodies can be prevented from being contacted to generate friction, on the other hand, the main line body and the auxiliary line body can be prevented from being contacted to generate friction, and further the service life of the cable is prolonged;
2. the protective sleeve comprises a wear-resistant layer, a waterproof layer and an insulating layer, wherein the waterproof layer is provided with a plurality of water-absorbing cotton slivers, if the outer side of the wear-resistant layer is damaged, or moist air permeates into the center of the cable, water is absorbed by the water-absorbing cotton slivers, so that the cable body has an excellent waterproof effect through the protective sleeve, the wear-resistant layer is made of ethylene propylene rubber, on one hand, the wear-resistant layer is made of the ethylene propylene rubber, so that the protective sleeve has an excellent waterproof effect, on the other hand, the wear-resistant strength is high, the practicability is good, meanwhile, the plastic cavity is formed, and the anti-buffering performance of the cable is further improved.
Drawings
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is a partial structural cross-sectional view of the protective casing of the present invention;
FIG. 3 is an overall elevation cross-sectional view of the present invention;
FIG. 4 is a side cross-sectional view of the entirety of the present invention;
FIG. 5 is a schematic view of the inner sleeve in the expanded configuration according to the present invention;
fig. 6 is an enlarged view of the utility model at a in fig. 4.
In the figure:
1. a protective sleeve; 11. a wear layer; 12. a waterproof layer; 121. a water-absorbing cotton sliver; 122. a fitting groove; 13. an insulating layer;
2. an inner sleeve;
3. a main line body;
4. a secondary wire body;
5. a pallet block; 51. a buffer chamber.
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 to 6, the present invention provides a technical solution of a concentric conductor motor cable:
a concentric conductor motor cable comprises a wire core and a protective sleeve 1 wrapped on the outer side of the wire core, wherein the wire core comprises an inner sleeve 2 which is annularly arranged, a plurality of supporting plate blocks 5 are fixedly connected inside the inner sleeve 2, a main wire body 3 is arranged in the center of the inside of the inner sleeve 2, the peripheral surface of the main wire body 3 is abutted against the bottom ends of the supporting plate blocks 5, a plurality of auxiliary wire bodies 4 are arranged on the outer side of the supporting plate blocks 5, and the auxiliary wire bodies 4 are uniformly distributed on the outer side of the main wire body 3 at equal intervals along the axis of the main wire body 3;
the protective sleeve 1 sequentially comprises an insulating layer 13, a waterproof layer 12 and a wear-resistant layer 11 from inside to outside.
As an embodiment of the present invention, as shown in fig. 5, a plurality of pallet blocks 5 are arranged in a rectangular array on the inner side of the inner sleeve 2.
In operation, the core is a complete whole body composed of an inner sleeve 2, a plurality of supporting plate blocks 5, a plurality of secondary line bodies 4 and a main line body 3, and in the utility model, the supporting plate blocks 5 are distributed on one side of the inner sleeve 2 in a rectangular array, and the inner sleeve 2 is arranged for covering the secondary line bodies 4 and the main line body 3, so that when the core body is formed, the inner sleeve 2 covers the main line body 3 by taking the axis of the main line body 3 as an axis, and one end of the supporting plate block 5 on the inner side of the inner sleeve 2 is abutted, so that the plurality of supporting plate blocks 5 support the main line body 3 at the center of the inner sleeve 2, namely, the supporting plate blocks 5 form support for the main line body 3.
As an embodiment of the present invention, as shown in fig. 3, a plurality of pallet blocks 5 and an inner sleeve 2 form a plurality of buffer cavities 51 inside the inner sleeve 2, and the wire sub-wires 4 are disposed inside the buffer cavities 51 and abut two adjacent wire sub-wires 4.
When the cable is in work, when the inner sleeve 2 coats the main line body 3, a plurality of buffer cavities 51 are formed in the inner sleeve 2 by the plurality of supporting plate blocks 5 and the inner sleeve 2, namely, in the actual production line core, the secondary line body 4 is placed between two adjacent supporting plate blocks 5 in advance, then the inner sleeve 2 and the plurality of secondary line bodies 4 coat the main line body 3 together, because one end of each supporting plate block 5 faces the axis of the main line body 3 after the inner sleeve 2 is bent, the minimum distance between two adjacent supporting plate blocks 5 is preset to be smaller than the distance between the secondary line bodies 4, the secondary line bodies 4 are supported by the two supporting plate blocks 5, and the peripheral surface of each secondary line body 4 is not contacted with the main line body 3 when the cable is stably placed;
if the cable body is extruded, the extrusion force is firstly buffered through the supporting plate blocks 5, in the utility model, the supporting plate blocks 5 can be supported by elastic materials, such as metal plates or high-strength plastic plates, so that the supporting plate blocks 5 have certain deformation capacity, further, when the cable body is extruded, the extrusion force is buffered through the supporting plate blocks 5 corresponding to the stress direction, then, as the secondary wire body 4 is abutted against the two supporting plate blocks 5, when the cable body is pressurized, the secondary wire body 4 is extruded through the supporting plate blocks 5, so that the supporting plate blocks 5 on the other side of the secondary wire body 4 at the stressed position are also extruded, namely, the two supporting plate blocks 5 are formed to buffer the extrusion force, and the secondary wire body 4 is indirectly pushed to move outwards until the secondary wire body 4 is abutted against the inner side of the inner sleeve 2, so that the secondary wire body 4 is arranged in a buffer cavity 51 formed by the two adjacent supporting plate blocks 5, two close auxiliary line bodies 4 are separated through the buffer cavity 51, on one hand, two adjacent auxiliary line bodies 4 can be prevented from contacting and generating friction, on the other hand, the auxiliary line body 4 and the main line body 3 can be prevented from contacting and causing the friction between the main line body 3 and the auxiliary line body 4, and the service life of the cable is further prolonged.
As an embodiment of the present invention, as shown in fig. 3 and 4, the inner side of the insulating layer 13 and the outer side of the inner sleeve 2 are closely attached by an adhesive, and the insulating layer 13 is made of a high flame retardant chlorinated polyethylene material.
During operation, the insulating layer 13 is made of high flame retardant chlorinated polyethylene material, so that the protective sleeve 1 has excellent flame retardancy.
As an embodiment of the present invention, as shown in fig. 4 and 6, an outer side of the insulating layer 13 is closely attached to an inner side of the waterproof layer 12 by an adhesive, a plurality of fitting grooves 122 are longitudinally formed in the outer side of the waterproof layer 12, and a tampon 121 is fixedly inserted into the fitting grooves 122.
During operation, just offer a plurality of grooves 122 that agree with on waterproof layer 12, the setting of agreeing with groove 122 is for placing absorbent cotton 121, set up waterproof layer 12 outside insulating layer 13, and waterproof layer 12 is between wearing layer 11 and insulating layer 13, and set up a plurality of absorbent cotton 121 on waterproof layer 12, if it is damaged to take place in the wearing layer 11 outside, perhaps moist air is to the cable center infiltration, absorb water through a plurality of absorbent cotton 121, thereby make the cable body have good water-proof effects through protective sheath 1.
As an embodiment of the present invention, as shown in fig. 3 and 4, the outer side of the waterproof layer 12 is closely attached to the wear-resistant layer 11 by an adhesive, and the wear-resistant layer 11 is made of ethylene propylene rubber.
During operation, wearing layer 11 adopts the ethylene propylene rubber, wearing layer 11 by the ethylene propylene rubber makes on the one hand for protective sheath 1 has good water-proof effects, and on the other hand abrasion strength is high, and the practicality is good, and the anti cushioning property of cable is further improved in the plasticity chamber simultaneously.
The working principle is as follows: when the cable is in work, the secondary wire body 4 is placed between two adjacent supporting plate blocks 5 in advance, then the inner sleeve 2 and the plurality of secondary wire bodies 4 together form a coating on the main wire body 3, after the inner sleeve 2 is bent, one end of each supporting plate block 5 faces to the axis of the main wire body 3, the minimum distance between the two adjacent supporting plate blocks 5 is preset to be smaller than the distance between the secondary wire bodies 4, so that the secondary wire bodies 4 are supported by the two supporting plate blocks 5 to coat the main wire body 3, one end of each supporting plate block 5 on the inner side of the inner sleeve 2 is abutted, the plurality of supporting plate blocks 5 support the main wire body 3 at the center of the inner sleeve 2, namely the supporting plate blocks 5 support the main wire body 3, therefore, when the cable is placed stably, the gravity of the secondary wire body 4 is supported by the two supporting plate blocks 5, the peripheral surface of the secondary wire body 4 is not contacted with the main wire body 3, the auxiliary line body 4 is arranged in the buffer cavity 51 formed by two adjacent supporting plate blocks 5, two adjacent auxiliary line bodies 4 are separated through the buffer cavity 51, on one hand, the two adjacent auxiliary line bodies 4 can be prevented from contacting and generating friction, on the other hand, the auxiliary line body 4 and the main line body 3 can be prevented from contacting and generating friction, and the main line body 3 and the auxiliary line body 4 can be further rubbed, so that the service life of the cable is prolonged, if the outer side of the wear-resistant layer 11 is damaged, or if moist air permeates to the center of the cable, water is absorbed through a plurality of water absorption cotton slivers 121, so that the cable body has excellent waterproof effect through the protective sleeve 1, the wear-resistant layer 11 is made of ethylene propylene rubber, on the one hand, the protective sleeve 1 has excellent waterproof effect, on the other hand, the wear-resistant strength is high, and the practicability is good, meanwhile, the plastic cavity further improves the anti-buffering performance of the cable.
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 (6)
1. The utility model provides a concentric conductor motor cable, includes sinle silk and parcel protective sheath (1) in the sinle silk outside, its characterized in that: the cable core comprises an inner sleeve (2) which is annularly arranged, a plurality of supporting plate blocks (5) are fixedly connected inside the inner sleeve (2), a main line body (3) is arranged at the center inside the inner sleeve (2), the peripheral surface of the main line body (3) is abutted against the bottom ends of the supporting plate blocks (5), a plurality of secondary line bodies (4) are arranged on the outer side of each supporting plate block (5), and the plurality of secondary line bodies (4) are uniformly distributed on the outer side of the main line body (3) according to the axis of the main line body (3);
the protective sleeve (1) sequentially comprises an insulating layer (13), a waterproof layer (12) and a wear-resistant layer (11) from inside to outside.
2. A concentric conductor motor cable according to claim 1, wherein: the plurality of supporting plate blocks (5) are distributed on the inner side of the inner sleeve (2) in a rectangular array.
3. A concentric conductor motor cable according to claim 1, wherein: a plurality of buffer cavities (51) are formed in the inner sleeve (2) by the plurality of supporting plate blocks (5) and the inner sleeve (2), and the wire cable body (4) is arranged in the buffer cavities (51) and is abutted to the two adjacent wire cable bodies (4).
4. A concentric conductor motor cable according to claim 1, wherein: the inner side of the insulating layer (13) is tightly attached to the outer side of the inner sleeve (2) through an adhesive, and the insulating layer (13) is made of a high-flame-retardant chlorinated polyethylene material.
5. A concentric conductor motor cable according to claim 1, wherein: the outer side of the insulating layer (13) is tightly attached to the inner side of the waterproof layer (12) through an adhesive, a plurality of conjunction grooves (122) are longitudinally formed in the outer side of the waterproof layer (12), and absorbent cotton slivers (121) are fixedly embedded in the conjunction grooves (122).
6. A concentric conductor motor cable according to claim 1, wherein: the outer side of the waterproof layer (12) is tightly attached to the wear-resistant layer (11) through an adhesive, and the wear-resistant layer (11) is made of ethylene propylene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220294628.7U CN216749390U (en) | 2022-02-11 | 2022-02-11 | Concentric conductor motor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220294628.7U CN216749390U (en) | 2022-02-11 | 2022-02-11 | Concentric conductor motor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216749390U true CN216749390U (en) | 2022-06-14 |
Family
ID=81918991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220294628.7U Active CN216749390U (en) | 2022-02-11 | 2022-02-11 | Concentric conductor motor cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216749390U (en) |
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2022
- 2022-02-11 CN CN202220294628.7U patent/CN216749390U/en active Active
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