CN220272177U

CN220272177U - Anti-traction type sheath shielded cable

Info

Publication number: CN220272177U
Application number: CN202321911214.5U
Authority: CN
Inventors: 崔春柱
Original assignee: Anhui Yiheng Special Wire And Cable Co ltd
Current assignee: Anhui Yiheng Special Wire And Cable Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2023-12-29
Anticipated expiration: 2033-07-20

Abstract

The utility model discloses an anti-traction sheath shielded cable, which comprises a core body: the surface package of core has insulating skin, the outside of insulating skin is provided with the enhancement core and wraps up and have around the covering, it has the filling layer to fill between covering and the insulating skin around, the outside of covering is provided with the shielding net around. According to the utility model, through the arrangement of the reinforcing core, the anti-traction capability of the cable at the center of the inner cavity is improved, so that the situation that the cable is only stressed by the conductive core body when the cable is subjected to larger traction force is avoided, and the structural stability of the core body is further ensured; through the setting of tractive muscle, further disperse the tractive force that receives the cable is born, and then has reduced the circumstances that the cable damaged when the atress is great to take place, can reach the tractive force that receives the cable and bear, avoids the cable to take place because of the circumstances that the atress is great to appear damaging, and then has improved the purpose of the anti tractive performance of sheath shielding cable.

Description

Anti-traction type sheath shielded cable

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to an anti-traction sheath shielded cable.

Background

The wire and cable industry is the second largest industry in China, which is next to the automobile industry, and with the continuous expansion of the industries such as the power industry, the data communication industry, the urban rail transit industry, the automobile industry, shipbuilding and the like, the demand for wires and cables is rapidly increased, and the wire and cable industry has great development potential in the future.

At present, the flame retardance and the heat resistance of the sheath shielding cable are excellent, the use requirement in a certain temperature range can be met, but the stress structure is lacking in part of the sheath shielding cable, so that the long-distance cable is damaged due to the fact that the stress is large during horizontal traction or vertical traction, the pulling force applied to the cable can be received, the situation that the cable is damaged due to the fact that the stress is large is avoided, and the pulling resistance of the sheath shielding cable is improved.

Disclosure of Invention

The utility model aims to provide an anti-traction type sheath shielding cable, which improves the anti-traction capability of the center of an inner cavity of the cable through the arrangement of a reinforcing core and avoids the situation that the cable is only stressed by a conductive core body when the cable is subjected to larger traction force; the traction force applied to the cable is further dispersed and born through the traction bar, so that the occurrence of damage to the cable due to larger stress is reduced, and the technical problem of the background art is solved.

The technical scheme for solving the technical problems is as follows: an anti-pulling jacketed shielded cable, comprising a core: the surface package of core has insulating skin, the outside of insulating skin is provided with the enhancement core and wraps up and have around the covering, it has the filling layer to wrap up between covering and the insulating skin, around the outside of covering is provided with the shielding net, the outside parcel of shielding net has interior armor, the outside of interior armor is provided with a plurality of traction rib, the outside parcel of traction rib has outer armor, the waterproof layer has been paintd in the outside of outer armor, the outside parcel of waterproof layer has outer jacket.

Preferably, the core body is formed by twisting a plurality of oxygen-free copper wires with the thickness of 0.15mm, and the insulating skin is a flame-retardant PVC insulating sleeve.

Preferably, a plurality of pad protection layers are adhered to the surface of the reinforced core, the pad protection layers are buffer layers, and the pad protection layers are adhered to the insulating leather.

Preferably, the wrapping layer is a polyester tape wrapping layer, and the shielding net is an oxygen-free bare copper wire mesh layer.

Preferably, the outer coating is an HR-70 flame retardant PVC sheath.

Preferably, the wear-resistant layer is wrapped on the outer side of the outer coating layer, and a frosting surface is arranged on the outer side of the traction rib.

1. The beneficial effects of the utility model are as follows: according to the utility model, through the arrangement of the reinforcing core, the anti-traction capability of the cable at the center of the inner cavity is improved, so that the situation that the cable is only stressed by the conductive core body when the cable is subjected to larger traction force is avoided, and the structural stability of the core body is further ensured; through the setting of tractive muscle, further disperse the tractive force that receives the cable is born, and then has reduced the circumstances that the cable damaged when the atress is great to take place, can reach the tractive force that receives the cable and bear, avoids the cable to take place because of the circumstances that the atress is great to appear damaging, and then has improved the purpose of the anti tractive performance of sheath shielding cable.

2. According to the utility model, the cushion protection layer is arranged to buffer and protect the contact surface between the reinforcing core and the insulating sheath, so that the situation that the insulating sheath is separated from the reinforcing core when the insulating sheath is deviated due to the action of external force is avoided, and the situation that the inside of the cable is loose is further avoided.

3. According to the waterproof layer, the waterproof performance of the whole cable is improved, and the situation that water enters the cable due to the damage of the outer skin is avoided.

4. According to the utility model, through the arrangement of the wear-resistant layer, the anti-abrasion performance of the outer coating is improved, and the situation that friction is damaged when the outer coating is directly contacted with an external object is avoided.

5. According to the utility model, through the arrangement of the frosted surface, the friction on the surface of the traction bar is improved, so that a plurality of traction bars are kept relatively still all the time, and the occurrence of single slippage of the traction bars is avoided.

Drawings

Wherein:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a partial enlarged view of the point A in FIG. 1 according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of the B point of FIG. 1 in accordance with one embodiment of the present utility model;

fig. 4 is a schematic perspective view of a traction bar according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. the core body, 2, insulating skin, 3, the strengthening core, 4, around the covering, 5, fill up the sheath, 6, the filling layer, 7, the shielding net, 8, interior armor, 9, the traction muscle, 10, outer armor, 11, waterproof layer, 12, outer jacket, 13, wearing layer, 14, frosted surface.

Detailed Description

Hereinafter, an embodiment of the pull-resistant sheath shielded cable of the present utility model will be described with reference to the accompanying drawings.

Embodiment one:

fig. 1-4 illustrate a pull-resistant jacketed shielded cable of one embodiment of the present utility model, comprising a core 1: the surface package of core 1 has insulating skin 2, core 1 comprises many 0.15mm oxygen-free copper wire transposition, insulating skin 2 is fire-retardant PVC insulation cover, the outside of insulating skin 2 is provided with the enhancement core 3 and wraps up around the covering 4, the surface of strengthening core 3 is pasted and is had a plurality of pad sheath 5, pad sheath 5 is the buffer layer, laminate mutually between pad sheath 5 and the insulating skin 2, through the setting of pad sheath 5, carry out the buffer protection to the contact surface between enhancement core 3 and the insulating skin 2, the condition that separates between the insulating skin 2 and the enhancement core 3 takes place when the skew appears because of the exogenic action, and then the loose condition emergence appears in the cable is avoided, around being filled with filling layer 6 between covering 4 and the insulating skin 2, the outside around covering 4 is provided with shielding net 7, around covering 4 is polyester tape around the covering, shielding net 7 is oxygen-free naked copper wire mesh layer, shielding net 7's outside parcel has interior armor 8, the outside of interior armor 8 is provided with a plurality of tractive muscle 9, the outside of tractive muscle 9 wraps up outer armor 10, the outside of outer armor 10 has the waterproof layer 11 to be smeared outside, the outside of outer waterproof layer 11 is wrapped up by waterproof layer 11.

Embodiment two:

fig. 1-4 illustrate a pull-resistant jacketed shielded cable of one embodiment of the present utility model, comprising a core 1: the surface parcel of core 1 has insulating skin 2, the outside of insulating skin 2 is provided with the enhancement core 3 and wraps up around covering 4, it has filling layer 6 to wind around covering 4 and insulating skin 2 between, the outside of covering 4 is provided with shielding net 7, shielding net 7's outside parcel has interior armour 8, the outside of interior armour 8 is provided with a plurality of traction muscle 9, traction muscle 9's outside parcel has outer armour 10, waterproof layer 11 has been paintd in outer armour 10's the outside, waterproof layer 11's outside parcel has outer jacket 12, outer jacket 12 is the fire-retardant PVC sheath of HR-70, outer jacket 12's outside parcel has wearing layer 13, through wearing layer 13's setting, improve the antifriction loss performance of outer jacket 12, the circumstances that appears friction damage when avoiding outer jacket 12 to directly contact with the foreign object takes place, the outside of traction muscle 9 is provided with frosted face 14, improve the friction on traction muscle 9 surface, and then make and keep relative still throughout between a plurality of traction muscle 9, avoid the circumstances that single slip to appear.

Working principle: when the cable is used, a user improves the traction resistance of the center of the inner cavity of the cable through the arrangement of the reinforcing core 3, so that the situation that the cable is only stressed by the conductive core when the cable is subjected to larger traction force is avoided, and the structural stability of the core 1 and the insulating skin 2 is further ensured; the traction force applied to the cable is further dispersed and born by the traction bar 9, so that the occurrence of damage to the cable due to larger stress is reduced; simultaneously through the setting of interior armor 8 and outer armor 10, receive extrusion force to protect the cable, avoid the cable inside core to appear loose condition emergence because of the extrusion, overall structure's stability when having ensured the cable receives the extrusion force has realized bearing the tractive force that the cable received, avoids the cable to appear broken condition emergence because of the atress is great, and then has improved the anti tractive performance of sheath shielding cable.

To sum up: according to the anti-traction type sheath shielding cable, the anti-traction capacity of the center of the inner cavity of the cable is improved through the arrangement of the reinforcing core 3, so that the situation that the cable is only stressed by the conductive core body when the cable is subjected to large traction force is avoided, and the structural stability of the core body 1 is further ensured; through the setting of traction muscle 9, the traction force that receives to the cable further dispersedly bears, and then reduced the cable and because of the circumstances emergence of damaging appears when the atress is great, can reach the traction force that receives to the cable bear, avoid the cable to take place because of the circumstances emergence of damaging appears greatly of atress, and then improved the purpose of sheath shielding cable anti-traction performance.

Claims

1. The utility model provides a resistant pulling formula sheath shielded cable which characterized in that includes core (1): the surface package of core (1) has insulating skin (2), the outside of insulating skin (2) is provided with strengthens core (3) and wraps up around covering (4), it has filling layer (6) to fill between covering (4) and insulating skin (2), the outside of covering (4) is provided with shielding net (7), the outside parcel of shielding net (7) has interior armor (8), the outside of interior armor (8) is provided with a plurality of traction muscle (9), the outside parcel of traction muscle (9) has outer armor (10), waterproof layer (11) have been paintd in the outside of outer armor (10), the outside parcel of waterproof layer (11) has outer envelope (12).

2. The anti-traction sheath shielded cable according to claim 1, wherein the core (1) is formed by twisting a plurality of 0.15mm oxygen-free copper wires, and the insulating sheath (2) is a flame-retardant PVC insulating sleeve.

3. The anti-traction sheath shielded cable according to claim 2, wherein a plurality of cushion layers (5) are adhered to the surface of the reinforcing core (3), the cushion layers (5) are buffer layers, and the cushion layers (5) are adhered to the insulating sheath (2).

4. A pull-resistant jacketed shielded cable according to claim 3, characterized in that the wrapping (4) is a polyester tape wrapping and the shielding mesh (7) is an oxygen-free bare copper wire mesh layer.

5. The stretch-proof jacketed shielded cable of claim 4, wherein the outer jacket (12) is an HR-70 flame retardant PVC jacket.

6. The anti-traction type sheath shielded cable according to claim 5, wherein the outer side of the outer cover layer (12) is wrapped with a wear-resistant layer (13), and the outer side of the traction rib (9) is provided with a frosting surface (14).