CN210006488U

CN210006488U - BVR type copper core polyvinyl chloride insulated wire and cable

Info

Publication number: CN210006488U
Application number: CN201920738775.7U
Authority: CN
Inventors: 马俊波; 李�列; 戴林华
Original assignee: Honghe Ruijie Electric Co Ltd
Current assignee: Honghe Ruijie Electric Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-31
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an BVR type copper core polyvinyl chloride insulated wire and cable relates to cable manufacture field, to current dangerous problem that exists, the following scheme is put forward now, and it includes the wearing layer, the inner wall of wearing layer has cup jointed outer fire-retardant layer in proper order, has drawn net, interior fire-retardant layer, outer adhesive linkage, shielding net, interior pasting layer, heat dissipation layer, inoxidizing coating, the inner wall fixedly connected with support bar of inoxidizing coating, and the side fixedly connected with protection network in addition of support bar, it has graphite to fill between inoxidizing coating and the protection network, a plurality of wires have been cup jointed to the protection network, the end outer wall fixed cover of wearing layer has cup jointed the protective cover, the utility model discloses simple structure, convenient to use, can be fine carry out fire-retardant and shielding, and then make the security promotion of device, adapt to abominable environment, draw the setting of graphite etc. simultaneously, can promote holistic fatigue resistance, reduce the friction for life extension.

Description

BVR type copper core polyvinyl chloride insulated wire and cable

Technical Field

The utility model relates to a cable manufacture field especially relates to kinds of BVR type copper core polyvinyl chloride insulated wire and cable.

Background

The BVR electric wire is kinds of switch board special flexible wires, also called secondary line, adopt copper core polyvinyl chloride's insulating flexible wire, it requires soft occasion when being applied to fixed wiring, deeply receive big electrician and architectural decoration personnel and like, but the polyvinyl chloride of current device can only be convenient under general environment use, but under the environment of high temperature complicacy, can not be fine fire-retardant that carries on of polyvinyl chloride, the electric wire that encircles can produce the electromagnetic eddy current at the current line of frequency conversion simultaneously, and then produce very big heat, there is very big danger.

SUMMERY OF THE UTILITY MODEL

The utility model provides an kinds of BVR type copper core polyvinyl chloride insulated wire and cable have solved and have had dangerous problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

BVR type copper core polyvinyl chloride insulated wire and cable, including the wearing layer, the inner wall of wearing layer has cup jointed outer fire-retardant layer in proper order, has drawn the net, interior fire-retardant layer, outer adhesive linkage, shielding net, interior layer, heat dissipation layer, inoxidizing coating, the inner wall fixedly connected with support bar of inoxidizing coating, and the side fixedly connected with protection network of support bar in addition, it has graphite to fill between inoxidizing coating and the protection network, a plurality of wires have been cup jointed in the protection network, the fixed protective cover that has cup jointed of end outer wall of wearing layer.

Preferably, the wear-resistant layer is made of rubber, and the outer flame-retardant layer and the inner flame-retardant layer are made of modified resin.

Preferably, the outer bonding layer and the inner bonding layer are made of polyvinyl chloride, and the protective layer is made of rubber.

Preferably, a plurality of through holes are formed in the heat dissipation layer, and the through holes are of a circular structure.

Preferably, a plurality of leakage holes are formed in the protective net and adopt a polygonal structure.

Preferably, the hauling net is made of nylon, and the shielding net is made of red copper.

The utility model has the advantages that:

1. through wearing layer, outer flame retardant coating, draw net, interior fire-retardant layer, outer adhesive linkage, shielding net, the interior layer of pasting, heat dissipation layer, inoxidizing coating, graphite, support bar, protection network and wire mutually support, can be fine carry on fire-retardant and shielding, and then make the security of device promote, suit adverse circumstances.

2. Through the mutual cooperation of wearing layer, outer flame retardant coating, draw net, interior flame retardant coating, outer adhesive linkage, shielding net, interior layer, heat dissipation layer, inoxidizing coating, graphite, support bar, protection network and wire, can promote holistic fatigue resistance, reduce the friction for life extension.

Drawings

Fig. 1 is a layer structure of the present invention.

Fig. 2 is a schematic front sectional view of the present invention.

Reference numbers in the figures: 1 wear-resistant layer, 2 outer flame-retardant layers, 3 netting, 4 inner flame-retardant layers, 5 outer adhesive layers, 6 shielding nets, 7 inner adhesive layers, 8 heat dissipation layers, 9 protective layers, 10 graphite, 11 support bars, 12 protective nets and 13 conducting wires.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention .

Referring to the accompanying drawings 1-2, BVR type copper core polyvinyl chloride insulated wire and cable comprises a wear-resistant layer 1, wherein an outer flame-retardant layer 2, a pull net 3, an inner flame-retardant layer 4, an outer adhesive layer 5, a shielding net 6, an inner adhesive layer 7, a heat dissipation layer 8 and a protective layer 9 are sequentially sleeved on the inner wall of the wear-resistant layer 1, a support bar 11 is fixedly connected to the inner wall of the protective layer 9, a protective net 12 is fixedly connected to the other side of the support bar 11, graphite 10 is filled between the protective layer 9 and the protective net 12, a plurality of wires 13 are sleeved in the protective net 12, a protective cover 15 is fixedly sleeved on the outer wall of the end of the wear-resistant layer 1, the wear-resistant layer 1 is made of rubber, the outer flame-retardant layer 2 and the inner flame-retardant layer 4 are made of modified resin, the outer adhesive layer 5 and the inner adhesive layer 7 are both made of polyvinyl chloride, the protective layer 9 is made of rubber, a plurality of through holes are formed in the heat dissipation layer 8, the through hole is of a.

The working principle is as follows: when in use, the wear-resistant layer 1 can well bear friction to prolong the service life, then the inner flame-retardant layer 2 and the inner flame-retardant layer 4 can well resist flame, meanwhile, the whole device can well bear better stretching and stronger fatigue strength through the net 3, the inner pasting layer 7 and the outer pasting layer 5 can increase the flexibility of the whole device, the shielding net 8 can well shield electromagnetic waves generated by the current inside and avoid leakage, the protective layer 9 can avoid leakage of the graphite 10, wherein the graphite 10 can lubricate the lead 13 inside and reduce the friction of the lead inside, so as to adapt to different distortion conditions and prolong the service life, the utility model has simple structure and convenient use, can well resist flame and shield, further improve the safety of the device, is suitable for severe environment, and simultaneously sets up the net graphite and the like, can promote holistic fatigue strength, reduce the friction for life extension.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Thus, a feature defined as "", "second" may explicitly or implicitly include or more of that feature.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

The utility model provides BVR type copper core polyvinyl chloride insulated wire and cable, including wearing layer (1), its characterized in that, the inner wall of wearing layer (1) has cup jointed outer fire-retardant layer (2) in proper order, has drawn net (3), has interior fire-retardant layer (4), outer adhesive linkage (5), shielding net (6), interior layer (7), heat dissipation layer (8), inoxidizing coating (9), the inner wall fixedly connected with support bar (11) of inoxidizing coating (9), and side fixedly connected with protection network (12) of support bar (11) in addition, it has graphite (10) to fill between inoxidizing coating (9) and protection network (12), a plurality of wires (13) have been cup jointed in protection network (12), end outer wall of wearing layer (1) is fixed to have cup jointed protective cover (15).
2. The BVR type copper core PVC insulated wire and cable of claim 1, wherein the abrasion resistant layer (1) is made of rubber, and the outer flame retardant layer (2) and the inner flame retardant layer (4) are made of modified resin.
3. The BVR type copper core PVC insulated wire and cable of claim 1, wherein the outer adhesive layer (5) and the inner adhesive layer (7) are both made of PVC, and the protective layer (9) is made of rubber.
4. The BVR type copper core PVC insulated wire and cable according to claim 1, wherein the heat sink layer (8) has a plurality of through holes with a circular structure.
5. The BVR type copper core PVC insulated wire and cable of claim 1, wherein a plurality of holes are defined in the mesh (12), and each hole has a polygonal structure.
6. The BVR type copper core PVC insulated wire and cable of claim 1, wherein the pulling mesh (3) is made of nylon and the shielding mesh (6) is made of red copper.