CN213691508U - Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding computer cable - Google Patents
Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding computer cable Download PDFInfo
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- CN213691508U CN213691508U CN202023121131.5U CN202023121131U CN213691508U CN 213691508 U CN213691508 U CN 213691508U CN 202023121131 U CN202023121131 U CN 202023121131U CN 213691508 U CN213691508 U CN 213691508U
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Abstract
The utility model provides a cross-linked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding computer cable, which comprises a wire core, an inner supporting framework, an outer polyester tape winding layer, a total shielding layer and an outer sheath layer, wherein the outer polyester tape winding layer, the total shielding layer and the outer sheath layer are sequentially wound outside the wire core and the inner supporting framework, the wire core comprises two twisted conductors and an insulating layer wrapped outside the conductors, the inner polyester tape winding layer is arranged outside the insulating layer, the outer polyester tape winding layer is externally wrapped with a partial shielding layer, the inner supporting framework is in a cross-shaped structure, four groups of wire cores are respectively positioned in a V-shaped cavity of the cross-shaped inner supporting framework, gaps among the inner supporting framework, the wire core and the outer polyester tape winding layer are filled with polypropylene tearing net-shaped filling ropes, a plurality of anti-bending protective rings are uniformly and fixedly arranged outside the outer sheath layer, the adjacent two anti-bending protective rings are connected through anti-bending connecting blocks, and the adjacent two anti-, two or more anti-bending connecting blocks are arranged on each layer.
Description
Technical Field
The utility model relates to a wire and cable technical field indicates a fire-retardant polyvinyl chloride sheath shielding computer cable of crosslinked polyethylene insulation especially.
Background
The electric wire and cable is a wire product for transmitting electric energy and electric signals and realizing electromagnetic energy conversion, the cable usually consists of a cable core for transmitting electric power or electric signals and a sheath for protecting and insulating, the cable which only comprises one cable core and has a thinner diameter is generally called as an electric wire, some electric wires are not provided with an insulating sheath and are called as a bare wire, the cable core in the cable is made of a metal material with good electric conductivity, copper (good electric conductivity) or aluminum (low cost) is generally used, the market of the electric wire and cable is more and more extensive along with the increase of the use of the electric wire and cable, and the difference of the use performance of the electric wire and cable can be divided into a plurality of types, such as a high-voltage cable, a mining communication cable.
The computer cable is suitable for electronic computers and cables for automatic connection with rated voltage of 500V or below and with high interference resistance requirements, but the existing computer cables are easily damaged by actions such as pulling, bending and extruding when in use, so that the transmission efficiency and the use effect are influenced, and the use by users is inconvenient.
Therefore, the utility model provides a fire-retardant polyvinyl chloride sheath shielding computer cable of crosslinked polyethylene insulation to solve the problem that above-mentioned exists.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's shortcoming, provide a fire-retardant polyvinyl chloride sheath shielding computer cable of crosslinked polyethylene.
In order to solve the technical problem, the utility model provides a following technical scheme: a cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding computer cable comprises a wire core, an inner support framework, an outer polyester tape wrapping layer sequentially wrapped outside the wire core and the inner support framework, a total shielding layer and an outer sheath layer, the cable core comprises two stranded conductors and an insulating layer wrapped outside the conductors, an inner polyester tape wrapping layer is arranged outside the insulating layer, a partial shielding layer is wrapped outside the inner polyester tape wrapping layer, the inner support framework is of a cross-shaped structure, four groups of wire cores are respectively positioned in a V-shaped cavity of the cross-shaped inner support framework, and polypropylene tearing reticular filling ropes are filled in gaps among the inner supporting framework, the wire core and the outer polyester tape wrapping layer, the outside of oversheath layer evenly sets firmly a plurality of anti guard rings of buckling, connects through the anti connecting block of buckling between two adjacent anti guard rings of buckling, and adjacent two-layer anti connecting block of buckling crisscross setting.
As an optimal technical scheme of the utility model, the internal stay skeleton includes central skeleton, bracing piece and the anti splenium of elasticity, central skeleton sets up at the center of cable, and arc butt portion butt central skeleton is passed through to the one end of bracing piece, the anti splenium of the articulated elasticity of the other end, the one end that the bracing piece was kept away from to the anti splenium of elasticity rolls and is equipped with the ball, and the outer polyester area of ball roll butt is around the covering inside wall.
As an optimized technical scheme, the anti splenium of elasticity is formed by four anti depression bar combinations, and installs the spring in the inner chamber of the anti splenium of elasticity.
As an optimal technical scheme of the utility model, the ball roll is installed in the arc mount pad, and this arc mount pad articulates two anti depression bars of the anti splenium of elasticity.
As an optimal technical scheme, the outer wall on total shield layer has cup jointed the heat conduction ring, and the outer wall welding of heat conduction ring has the heat conduction silk, the tip of heat conduction silk passes in the recess that the oversheath layer extended to the anti connecting block of buckling.
As an optimal technical scheme of the utility model, the recess sets up at the middle part of anti connecting block of buckling, and this recess is the arc recess.
As an optimized technical scheme of the utility model, the conductor is the copper conductor.
As an optimized technical scheme of the utility model, the insulating layer is made for crosslinked polyethylene insulating material.
As an optimal technical scheme of the utility model, total shielding layer is woven by the copper wire with dividing the shielding layer and is formed as the utility model relates to an optimal technical scheme, the oversheath layer is made for fire-retardant polyvinyl chloride sheath material.
The utility model discloses the beneficial effect who reaches is:
1. the utility model provides a cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath shielding computer cable, through the anti-bending protection ring and the anti-bending connecting block which are arranged outside the outer sheath, when the cable is bent, two adjacent anti-bending protection rings are contacted, thereby avoiding the cable from being excessively bent to cause the outer sheath to break;
2. the utility model discloses an interior bracing skeleton that sets up not only improves the compressive property of cable, has still strengthened the anti-deformation ability of cable, and when the cable received external force extrusion, the external elasticity of interior bracing skeleton resists the splenium and can carry out effectual buffering to pressure, avoids the cable impaired, and the ball outside the elasticity resists the splenium can absorb external acting force when the cable received frictional force or winding force to play the effect of buffering, increased the anti-extrusion of cable, antitorque, anti-winding ability, effectively prolonged the life of cable;
3. the utility model discloses a heat conduction ring and the heat conduction silk that set up can go out the inside heat conduction of cable, are favorable to improving the heat dispersion of cable.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the inner supporting frame of the present invention;
FIG. 3 is a schematic view of the structure of the anti-bending protection ring of the present invention;
reference numbers in the figures: 1. an internal bracing skeleton; 2. an outer polyester tape wrap; 3. a total shielding layer; 4. an outer jacket layer; 5. a conductor; 6. an insulating layer; 7. an inner polyester tape wrapping layer; 8. dividing a shielding layer; 9. tearing the reticular filling rope by polypropylene; 10. an anti-buckling protection ring; 11. an anti-bending connecting block; 12. a central skeleton; 13. a support bar; 14. an elastic compression resistant portion; 15. an arcuate abutment; 16. a spring; 17. an arc-shaped mounting seat; 18. heat conducting wires; 19. a groove; 20. and a ball.
Detailed Description
The terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like in the specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b): as shown in fig. 1-3, the utility model provides a cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding computer cable, which comprises a core, an inner supporting frame 1, an outer polyester tape wrapping layer 2, a total shielding layer 3 and an outer sheath layer 4 sequentially wrapping the core and the inner supporting frame 1, wherein the core comprises two twisted conductors 5 and an insulating layer 6 wrapping the conductors 5, an inner polyester tape wrapping layer 7 is arranged outside the insulating layer 6, a partial shielding layer 8 is wrapped outside the inner polyester tape wrapping layer 7, the inner supporting frame 1 is in a cross-shaped structure, four groups of cores are respectively positioned in a V-shaped cavity of the cross-shaped inner supporting frame 1, gaps among the inner supporting frame 1, the core and the outer polyester tape wrapping layer 2 are filled with a polypropylene tearing reticular filling rope 9, the outer part of the outer sheath layer 4 is uniformly provided with a plurality of anti-bending protection rings 10, two adjacent anti guard rings of buckling 10 are connected through anti connecting block 11 of buckling between, and two adjacent anti connecting block 11 crisscross settings of buckling.
Further, the internal stay skeleton 1 includes central skeleton 12, bracing piece 13 and elasticity withstand voltage portion 14, central skeleton 12 sets up in the center of cable, and arc butt portion 15 butt central skeleton 12 is passed through to the one end of bracing piece 13, and the other end articulates elasticity withstand voltage portion 14, the one end roll that elasticity withstand voltage portion 14 kept away from bracing piece 13 is equipped with ball 20, and ball 20 rolls the outer polyester area of butt and winds the 2 inside walls of covering.
Furthermore, the elastic compression resisting part 14 is formed by combining four compression resisting rods, and a spring 16 is installed in an inner cavity of the elastic compression resisting part 14.
Further, the ball 20 is roll-mounted in the arc-shaped mounting seat 17, and the arc-shaped mounting seat 17 is hinged with two compression resistant rods of the elastic compression resistant part 14.
Further, the outer wall of the total shielding layer 3 is sleeved with a heat conduction ring, the outer wall of the heat conduction ring is welded with heat conduction wires 18, the end portions of the heat conduction wires 18 penetrate through the outer sheath layer 4 and extend to the grooves 19 of the anti-bending connecting blocks 11, heat inside the cable can be conducted out, and the improvement of the heat dissipation performance of the cable is facilitated.
Further, the groove 19 is arranged in the middle of the bending-resistant connecting block 11, and the groove 19 is an arc-shaped groove.
Further, the conductor 5 is a copper conductor.
Further, the insulating layer 6 is made of cross-linked polyethylene insulating material.
Furthermore, the total shielding layer 3 and the sub-shielding layers 8 are all formed by weaving copper wires
Further, the outer sheath layer 4 is made of flame-retardant polyvinyl chloride sheath material.
The above embodiments are merely to describe the preferred embodiments of the present invention, and are not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (10)
1. The utility model provides a fire-retardant polyvinyl chloride sheath shielding computer cable of crosslinked polyethylene insulation, which is characterized in that, includes sinle silk, internal stay skeleton (1), winds outer polyester area around covering (2), total shielding layer (3) and oversheath layer (4) outside sinle silk and internal stay skeleton (1) around in proper order, the sinle silk includes two stranded conductor (5) and wraps up insulating layer (6) outside conductor (5), be provided with the inner polyester area around covering (7) outside insulating layer (6), the inner polyester area is around covering (7) outer cladding branch shielding layer (8), internal stay skeleton (1) is "ten" font structure, four group sinle silks are located "V" shape cavity of "ten" font internal stay skeleton (1) respectively, and packs polypropylene in the space between internal stay skeleton (1), sinle silk and outer polyester area around covering (2) and tears netted filling rope (9), the outer portion of oversheath layer (4) evenly sets firmly a plurality of anti guard ring of buckling (10), connects through anti connecting block (11) of buckling between two adjacent anti guard ring of buckling (10), and adjacent two-layer anti connecting block (11) of buckling crisscross setting.
2. The computer cable with the cross-linked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding according to claim 1, wherein the inner supporting framework (1) comprises a central framework (12), a supporting rod (13) and an elastic pressing-resistant portion (14), the central framework (12) is arranged in the center of the cable, one end of the supporting rod (13) is abutted to the central framework (12) through an arc abutting portion (15), the other end of the supporting rod is hinged to the elastic pressing-resistant portion (14), a ball (20) is arranged at one end, away from the supporting rod (13), of the elastic pressing-resistant portion (14) in a rolling mode, and the ball (20) is abutted to the inner side wall of the outer polyester tape winding cladding (2) in a rolling mode.
3. The computer cable with the cross-linked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding as claimed in claim 2, wherein the elastic compression-resistant part (14) is formed by combining four compression-resistant rods, and a spring (16) is installed in an inner cavity of the elastic compression-resistant part (14).
4. The computer cable with the cross-linked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding as claimed in claim 2, wherein the balls (20) are roll-mounted in an arc-shaped mounting seat (17), and the arc-shaped mounting seat (17) is hinged with two compression-resistant rods of the elastic compression-resistant part (14).
5. The computer cable with the cross-linked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding as claimed in claim 1, wherein the outer wall of the total shielding layer (3) is sleeved with a heat conducting ring, the outer wall of the heat conducting ring is welded with heat conducting wires (18), and the end parts of the heat conducting wires (18) penetrate through the outer sheath layer (4) and extend into the grooves (19) of the bending-resistant connecting blocks (11).
6. The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath shielding computer cable as claimed in claim 5, wherein the groove (19) is arranged in the middle of the bending-resistant connecting block (11), and the groove (19) is an arc-shaped groove.
7. The cross-linked polyethylene insulated flame retardant polyvinyl chloride sheathed computer cable according to claim 1, wherein the conductor (5) is a copper conductor.
8. The cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheathed shielded computer cable according to claim 1, wherein the insulating layer (6) is made of cross-linked polyethylene insulating material.
9. The computer cable with the cross-linked polyethylene insulating flame-retardant polyvinyl chloride sheath shielding according to claim 1, wherein the total shielding layer (3) and the sub-shielding layer (8) are woven by copper wires.
10. The cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheathed shielding computer cable according to claim 1, wherein the outer sheath layer (4) is made of flame-retardant polyvinyl chloride sheath material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121131.5U CN213691508U (en) | 2020-12-22 | 2020-12-22 | Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding computer cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121131.5U CN213691508U (en) | 2020-12-22 | 2020-12-22 | Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding computer cable |
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| Publication Number | Publication Date |
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| CN213691508U true CN213691508U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023121131.5U Active CN213691508U (en) | 2020-12-22 | 2020-12-22 | Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding computer cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397736A (en) * | 2022-01-24 | 2022-04-26 | 浙江富春江光电科技有限公司 | Novel anti-bending optical cable and preparation process |
| CN114496362A (en) * | 2021-12-29 | 2022-05-13 | 杭州惠尔线缆有限公司 | Security protection cable |
-
2020
- 2020-12-22 CN CN202023121131.5U patent/CN213691508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496362A (en) * | 2021-12-29 | 2022-05-13 | 杭州惠尔线缆有限公司 | Security protection cable |
| CN114496362B (en) * | 2021-12-29 | 2023-09-19 | 杭州惠尔线缆有限公司 | Security cable |
| CN114397736A (en) * | 2022-01-24 | 2022-04-26 | 浙江富春江光电科技有限公司 | Novel anti-bending optical cable and preparation process |
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