CN214847819U

CN214847819U - Polyethylene insulation computer cable

Info

Publication number: CN214847819U
Application number: CN202121507304.9U
Authority: CN
Inventors: 邓标; 王影; 张鹏飞; 李俊; 鲍时安; 金鑫; 何忠东
Original assignee: Anhui Xinyate Cable Technology Co ltd
Current assignee: Anhui Xinyate Cable Technology Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-11-23
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a polyethylene insulation computer cable, which comprises a cable core, an outer wrapping belt layer, a total shielding layer, a tensile layer and a sheath layer, wherein the outer wrapping belt layer, the total shielding layer, the tensile layer and the sheath layer are sequentially wrapped outside the cable core; the cable core comprises a first compression-resistant core, four wire cores which are respectively arranged around the first compression-resistant core and buffer protective layers which are respectively coated outside the wire cores and have isosceles trapezoid-shaped sections, the upper bottom edges of the four buffer protective layers are respectively attached to the peripheral side walls of the first compression-resistant core, the waist edges of two adjacent buffer protective layers are closely attached to each other, and each wire core comprises a pair-twisting group guide core and an inner wrapping tape layer, a flame-retardant layer and a sub-shielding layer which are sequentially coated outside the pair-twisting group guide core; a second voltage withstanding core is arranged between the buffer protective layer and the outer wrapping belt layer, and the inner end side wall of the second voltage withstanding core is attached to the lower bottom edge of the buffer protective layer; arc grooves are arranged on the inner wall of the sheath layer at intervals, and compression-resistant arc plates are arranged in the arc grooves. The utility model discloses aim at solving current computer cable structural strength low, the bearing capacity is poor, the short problem of life.

Description

Polyethylene insulation computer cable

Technical Field

The utility model relates to a computer cable technical field especially relates to a polyethylene insulation computer cable.

Background

The computer cable belongs to the cable for electric equipment, and is suitable for electronic computer and automatic instrument with rated voltage of 500V or below and high interference resistance.

Among the prior art, computer cable has structural strength low, the problem that the bearing capacity is poor, computer cable lays often can external extrusion force with the in-process of work, at this moment, the cable core of computer cable inside and the outer jacket of cable core all can appear flattening, the cracked condition even, influence computer cable's normal work, computer cable's life has been shortened, current computer cable's tensile strength also exists not enoughly, also appear breakage when computer cable receives external force and pulls easily, the cracked condition.

To above technical problem, the utility model discloses a polyethylene insulation computer cable, the utility model has the advantages of structural strength and the bearing capacity of improvement computer cable, the tensile strength who improves computer cable, the life of extension computer cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a polyethylene insulation computer cable to the structural strength who solves computer cable among the prior art is low, and bearing capacity is weak, and tensile properties is poor, technical problem such as life weak, the utility model has the advantages of improve computer cable's structural strength and bearing capacity, improve computer cable's tensile properties, extension computer cable's life.

The utility model discloses a following technical scheme realizes: the utility model discloses a polyethylene insulation computer cable, which comprises a cable core, an outer wrapping belt layer, a total shielding layer, a tensile layer and a sheath layer, wherein the outer wrapping belt layer, the total shielding layer, the tensile layer and the sheath layer are sequentially wrapped outside the cable core; the cable core is rectangular in cross section, the cable core comprises a first compression-resistant core, four wire cores which are respectively arranged around the first compression-resistant core and buffer protection layers which are respectively coated outside the wire cores, the cross section of the first compression-resistant core is rectangular, the cross section of the buffer protection layers is isosceles trapezoid, the upper bottom edges of the four buffer protection layers are respectively attached to the peripheral side walls of the first compression-resistant core, the waist edges of two adjacent buffer protection layers are closely attached, first edge grooves are respectively arranged on the peripheral side walls of the first compression-resistant core, first convex edges are arranged on the upper bottom edges of the buffer protection layers and clamped in the first edge grooves, a first buffer hole is arranged in the middle of the intersection of the first convex edges and the buffer protection layers, each wire core comprises a pair-twisting group guide core and an inner wrapping layer, a flame-retardant layer and a sub-shielding layer which are sequentially coated outside the pair-twisting group guide core, the pair-twisting group guide core is formed by twisting two copper conductors which are respectively coated with an insulating layer, the insulating layer is made of polyethylene material; a second anti-pressure core is arranged between the buffer protective layer and the outer wrapping belt layer, the outer end side wall of the second anti-pressure core is attached to the outer wrapping belt layer, the inner end side wall of the second anti-pressure core is attached to the lower bottom edge of the buffer protective layer, a second rib is arranged on the lower bottom edge of the buffer protective layer, a second rib groove is formed in the inner end side wall of the second anti-pressure core and corresponds to the second rib in position, the second rib is clamped in the second rib groove, and a second buffer hole is formed in the middle of the intersection of the second rib and the buffer protective layer; arc grooves are formed in the inner wall of the sheath layer at intervals, compression-resistant arc plates are arranged in the arc grooves, and the compression-resistant arc plates, the first compression-resistant cores and the second compression-resistant cores are all made of nylon materials.

Preferably, in order to improve the tensile property of computer cable, the embedded tensile core that is equipped with of buffering sheath, tensile core are located the both sides of sinle silk, and tensile core is aramid fiber rope.

Preferably, in order to improve the pressure bearing capacity of the computer cable, the number of the pressure-resistant arc plates is four, and the middle parts of the pressure-resistant arc plates correspond to the positions between two adjacent second pressure-resistant cores.

Preferably, the inner tape layer and the outer tape layer are both formed by winding a polyester tape in order to improve the tightness of the internal structure of the computer cable and further improve the structural strength of the computer cable.

Preferably, in order to improve the tensile property of the computer cable, the tensile layer is woven by aramid fibers.

Preferably, in order to improve the flame retardant property of the computer cable, the sheath layer is made of flame retardant polyvinyl chloride material.

Preferably, in order to improve the flame retardant performance of the computer cable, the flame retardant layer is wrapped by a flame retardant tape.

Preferably, in order to improve the shielding performance of the computer cable, the sub-shielding layer and the main shielding layer are woven by copper wires.

The utility model has the advantages of it is following:

(1) the utility model discloses in, the middle part of cable core is provided with first anti-pressure core, be provided with second anti-pressure core between buffering sheath and the endocyst band layer, the interval is provided with the resistance to compression arc board on the inner wall of restrictive coating, thereby the structural strength inside the computer cable has been showing to be promoted, through the block zonulae occludens between first bead and the first arris groove between buffering sheath and the first resistance to compression core, through the block zonulae occludens between second bead and the second arris groove between buffering sheath and the second resistance to compression core, thereby make the inner structure compactness and the intensity of computer cable all obtain the promotion, buffering sheath can be fine cushions external pressure, the setting of first buffering hole and second buffering hole has improved the effect of buffering, has carried out fine protection to the cable core, thereby the utility model discloses structural strength is high, the bearing capacity is high, long service life;

(2) the utility model discloses in, the embedded tensile core that is equipped with of buffering sheath is provided with the tensile layer between total shielding layer and the restrictive coating to computer cable's tensile property has been promoted.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of a first crush core;

FIG. 3 is a cross-sectional view of a buffer passivation layer;

FIG. 4 is a cross-sectional view of a wire core;

FIG. 5 is a cross-sectional view of a second compressive core;

fig. 6 is a cross-sectional view of the jacket layer.

In the figure: 1. a cable core; 11. a first compression resistant core; 12. a wire core; 121. conducting cores of the pair twisting groups; 1211. a copper conductor; 1212. an insulating layer; 122. an inner wrapping tape layer; 123. a flame retardant layer; 124. dividing a shielding layer; 13. a buffer protection layer; 2. wrapping a belt layer; 3. a total shielding layer; 4. a tensile layer; 5. a sheath layer; 51. an arc groove; 6. a tensile core; 7. a first prismatic groove; 8. a first rib; 9. a first buffer hole; 10. a second compressive core; 100. a second rib; 110. a second prismatic groove; 120. a second buffer hole; 130. resistance to compression arc board.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

Embodiment 1 discloses a polyethylene insulated computer cable, as shown in fig. 1, comprising a cable core 1, and an outer wrapping tape layer 2, a total shielding layer 3, a tensile layer 4 and a sheath layer 5 which are sequentially wrapped outside the cable core 1, wherein the tensile layer 4 is formed by weaving aramid fibers, and the sheath layer 5 is made of flame-retardant polyvinyl chloride material; the section of the cable core 1 is rectangular, the cable core 1 comprises a first compression-resistant core 11, four wire cores 12 respectively arranged around the first compression-resistant core 11 and buffer protective layers 13 respectively covering the wire cores 12, the section of the first compression-resistant core 11 is rectangular, the section of each buffer protective layer 13 is isosceles trapezoid, the upper bottom edges of the four buffer protective layers 13 are respectively attached to the peripheral side walls of the first compression-resistant core 11, the waist edges of two adjacent buffer protective layers 13 are closely attached, tension-resistant cores 6 are embedded in the buffer protective layers 13, the tension-resistant cores 6 are positioned on two sides of the wire cores 12, and the tension-resistant cores 6 are aramid fiber ropes; as shown in fig. 2, the peripheral side walls of the first pressure resistant core 11 are provided with first edge grooves 7; as shown in fig. 1 and fig. 3, the upper bottom edge of the buffer protection layer 13 is provided with a first rib 8, the first rib 8 is locked in the first rib groove 7, and the middle of the intersection of the first rib 8 and the buffer protection layer 13 is provided with a first buffer hole 9; as shown in fig. 4, the wire core 12 includes a pair-twisted group guide core 121, and an inner belt layer 122, a flame retardant layer 123 and a sub-shielding layer 124 sequentially coated outside the pair-twisted group guide core 121, where the inner belt layer 122 and the outer belt layer 2 are both formed by winding a polyester tape, the flame retardant layer 123 is formed by winding a flame retardant tape, the sub-shielding layer 124 and the total shielding layer 3 are both formed by weaving copper wires, the pair-twisted group guide core 121 is formed by twisting two copper conductors 1211 respectively coated with an insulating layer 1212, and the insulating layer 1212 is made of a polyethylene material; as shown in fig. 1 and 5, a second anti-pressure core 10 is disposed between the buffer protective layer 13 and the outer wrapping layer 2, an outer end side wall of the second anti-pressure core 10 is attached to the outer wrapping layer 2, an inner end side wall of the second anti-pressure core 10 is attached to a lower bottom edge of the buffer protective layer 13, a second rib 100 is disposed on the lower bottom edge of the buffer protective layer 13, a second rib groove 110 is disposed on the inner end side wall of the second anti-pressure core 10 corresponding to the second rib 100, the second rib 100 is engaged in the second rib groove 110, and a second buffer hole 120 is disposed in a middle portion of an intersection of the second rib 100 and the buffer protective layer 13; as shown in fig. 1 and 6, the inner wall of the sheath layer 5 is provided with arc grooves 51 at intervals, the arc grooves 51 are provided with four compression-resistant arc plates 130, the number of the compression-resistant arc plates 130 is four, the middle of each compression-resistant arc plate 130 corresponds to the position between two adjacent second compression-resistant cores 10, and the compression-resistant arc plates 130, the first compression-resistant cores 11 and the second compression-resistant cores 10 are all made of nylon materials.

The principle of the utility model is as follows: in the utility model, the middle part of the cable core 1 is provided with a first anti-compression core 11, the cross section of the first anti-compression core 11 is rectangular, four cable cores 12 are respectively arranged around the anti-compression core 11, a buffer protective layer 13 is arranged outside the cable cores 12, the cross section of the buffer protective layer 13 is isosceles trapezoid, the upper bottom edges of the four buffer protective layers 13 are respectively attached to the peripheral side wall of the first anti-compression core 11, the waist edges of two adjacent buffer protective layers 13 are closely attached, so that the cable core 1 forms a rectangular structure, the anti-compression core 11 improves the structural strength inside the computer cable, the buffer protective layers 13 well buffer the external pressure, a second anti-compression core 10 is arranged between the buffer protective layer 13 and the outer wrapping tape layer 2, the outer end side wall of the second anti-compression core 10 is attached to the outer wrapping tape layer 2, the inner end side wall of the second anti-compression core 10 is attached to the lower bottom edge of the buffer protective layer 13, the inner wall of the sheathing layer 5 is provided with arc grooves 51 at intervals, the arc groove 51 is internally provided with a compression-resistant arc plate 130, thereby, the second compression-resistant core 10 and the compression-resistant arc plate 130 further improve the structural strength inside the computer cable, the peripheral side walls of the first compression-resistant core 11 are all provided with a first rib groove 7, the upper bottom edge of the buffering sheath 13 is provided with a first rib 8, the first rib 8 is clamped in the first rib groove 7, the middle part of the intersection of the first rib 8 and the buffering sheath 13 is provided with a first buffering hole 9, the lower bottom edge of the buffering sheath 13 is provided with a second rib 100, the inner end side wall of the second compression-resistant core 10 is provided with a second rib groove 110 corresponding to the second rib 100 in position, the second rib 100 is clamped in the second rib groove 110, the middle part of the intersection of the second rib 100 and the buffering sheath 13 is provided with a second buffering hole 120, the buffering sheath 13 and the first compression-resistant core 11 are tightly connected through the clamping between the first rib 8 and the first rib groove 7, the buffer protective layer 13 is tightly connected with the second voltage-resistant core 10 through the clamping between the second convex edge 100 and the second convex edge groove 110, so that the tightness and the strength of the internal structure of the computer cable are improved, the arrangement of the first buffer hole 9 and the second buffer hole 120 further improves the buffer effect of the computer cable on the external pressure, and reduces the direct pressure on the cable core 1, thereby improving the structural strength and the pressure-bearing capacity of the computer cable and prolonging the service life of the computer cable; the utility model discloses in, the inside of buffering sheath 13 is inlayed and is equipped with tensile core 6, is provided with tensile layer 4 between total shielding layer 3 and the restrictive coating 5 to show the tensile strength who has promoted computer cable.

Claims

1. A polyethylene insulated computer cable is characterized by comprising a cable core, and an outer wrapping tape layer, a total shielding layer, a tensile layer and a sheath layer which are sequentially wrapped outside the cable core;

the cross section of cable core is "rectangle", the cable core includes first resistance to compression core, sets up respectively four sinle silks all around of first resistance to compression core and cladding respectively in the outer buffering sheath of sinle silk, the cross section of first resistance to compression core is "rectangle", the cross section of buffering sheath is "isosceles trapezoid", four the last base of buffering sheath respectively with the lateral wall all around of first resistance to compression core is attached, adjacent two closely attached between the waist limit of buffering sheath, all be provided with first arris groove on the lateral wall all around of first resistance to compression core, the last base of buffering sheath is provided with first bead, first bead block is in first arris inslot, first bead with the middle part of the crossing department of buffering sheath is provided with first hole, the sinle silk includes that the antitwist group leads the core and cladding in proper order the outer endocyst layer of antitwist group leads the core, The pair-twisted group guide core is formed by twisting two copper conductors respectively coated with insulating layers, and the insulating layers are made of polyethylene materials;

a second compression resistant core is arranged between the buffer protective layer and the outer wrapping belt layer, the outer end side wall of the second compression resistant core is attached to the outer wrapping belt layer, the inner end side wall of the second compression resistant core is attached to the lower bottom edge of the buffer protective layer, a second rib is arranged on the lower bottom edge of the buffer protective layer, a second rib groove is formed in the position, corresponding to the second rib, of the inner end side wall of the second compression resistant core, the second rib is clamped in the second rib groove, and a second buffer hole is formed in the middle of the intersection of the second rib and the buffer protective layer;

the inner wall of the sheath layer is provided with arc grooves at intervals, compression-resistant arc plates are arranged in the arc grooves, and the compression-resistant arc plates, the first compression-resistant cores and the second compression-resistant cores are all made of nylon materials.

2. The polyethylene insulated computer cable according to claim 1, wherein tensile cores are embedded in the buffer protective layer, the tensile cores are positioned at two sides of the wire core, and the tensile cores are aramid fiber ropes.

3. The polyethylene-insulated computer cable according to claim 1, wherein the number of the compression-resistant arc plates is four, and the middle portion of each compression-resistant arc plate corresponds to the position between two adjacent second compression-resistant cores.

4. The polyethylene insulated computer cable of claim 1, wherein the inner and outer tape layers are each formed by wrapping a polyester tape.

5. The polyethylene insulated computer cable of claim 1, wherein the tensile layer is woven from aramid fibers.

6. The polyethylene insulated computer cable of claim 1, wherein the jacket layer is made of flame retardant polyvinyl chloride material.

7. The polyethylene insulated computer cable of claim 1, wherein the flame retardant layer is wrapped with a flame retardant tape.

8. The polyethylene insulated computer cable of claim 1, wherein the partial shield layer and the total shield layer are woven from copper wire.