CN211828210U - Anti-tensile power cable with good effect - Google Patents

Abstract

The utility model discloses an anti-stretching effectual power cable, concretely relates to cable technical field, including the cable body, the cable body is by outer overburden, protective layer, reflection stratum, fire-retardant layer and the elastic layer of having set gradually to interior, the inside support frame that is provided with of elastic layer, the support frame outside is provided with a plurality of location portion, location portion is embedded in the elastic layer, inside a plurality of wire and the anti-stretching layer of being provided with of support frame, and it has the rubber ball to fill between wire and the support frame, the anti-stretching layer runs through the support frame. The utility model discloses a be equipped with the stretch-proofing layer, when the wire received the pulling force, the wire of shrink can slightly outwards extend, and stretch-proofing layer can bear main pulling force this moment, makes the wire have better stretch-proofing performance, has guaranteed that the wire does not have tensile strain, has reduced the impaired probability of cable greatly, and the support frame can disperse to undertake external pressure, improves the compressive property of wire.

Description

Anti-tensile power cable with good effect

Technical Field

The utility model relates to the technical field of cables, more specifically say, the utility model relates to an anti-stretching effectual power cable.

Background

The cable is generally a rope-like cable formed by twisting several or several groups of wires, each group of wires is insulated with each other and usually twisted around a center, the whole cable is covered with a high-insulation covering layer, the cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and the cables are all composed of single-strand or multi-strand wires and an insulation layer and are used for connecting circuits, electrical appliances and the like.

The internal wire of the existing cable can be acted by a pulling force in the using process, and the wire is poor in tensile resistance, so that the wire is easy to break when being pulled under the action of frequent pulling force.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a stretch-proofing effectual power cable, the utility model aims to solve the technical problem that: how to improve the tensile resistance of the cable.

In order to achieve the above object, the utility model provides a following technical scheme: a power cable with good anti-stretching effect comprises a cable body, wherein the cable body is sequentially provided with a covering layer, a protective layer, a reflecting layer, a flame-retardant layer and an elastic layer from outside to inside;

the improved elastic supporting frame is characterized in that a supporting frame is arranged inside the elastic layer, a plurality of positioning portions are arranged outside the supporting frame and embedded in the elastic layer, a plurality of wires and an anti-stretching layer are arranged inside the supporting frame, rubber balls are filled between the wires and the supporting frame, and the anti-stretching layer penetrates through the supporting frame.

In a preferred embodiment, the elastic layer is made of an elastic rubber material and the rubber ball is made of an insulating rubber material.

In a preferred embodiment, the support frame is made of resin material, and the cross section of the support frame is circular, so that the support frame can disperse and bear external pressure and improve the pressure resistance of the lead.

In a preferred embodiment, the support frame may be integrally provided with the positioning portion.

In a preferred embodiment, the protective layer is formed by winding a metal wire mesh, so that the cable body is prevented from being damaged by external sharp objects, and the protective performance is improved.

In a preferred embodiment, the flame-retardant layer is made of a silicone rubber material, so that the flame-retardant property of the cable body is improved.

In a preferred embodiment, the tensile layer is made of steel wire material, and the tensile layer will be subjected to the prevailing tensile forces.

In a preferred embodiment, the reflective layer is made of an aluminum material, and the aluminum material can block external heat radiation due to the property of the aluminum material.

In a preferred embodiment, the rubber ball connects the wire to the support frame by means of an adhesive.

The implementation mode is specifically as follows: the wire passes through the inside of the support frame and is fixedly connected with the support frame, the support frame is embedded in the elastic layer through the external positioning part, the two support frames can be mutually extruded and close by utilizing the elasticity of the elastic layer, the wire positioned between the two support frames can be contracted at the moment, the stretch-resistant layer is also penetrated in the support frame, when the wire is pulled, the contracted wire can slightly extend outwards, at the moment, the stretch-resistant layer can bear main tensile force, so that the wire has better stretch-resistant performance, and when the pulling force disappears, the wire can automatically contract and recover under the action of the elastic layer, so that the wire is ensured to have no tensile strain, the damage probability of the cable is greatly reduced, the stretch-resistant layers are symmetrically distributed on the support frame, so that the stretch-resistant layer can disperse and bear external force, and has higher strength, the support frame is made of resin materials, the support effect is good, and the section shape of the, make its dispersivity undertake external pressure, improve the compressive property of wire, it has the rubber ball to fill between support frame and the wire, and when the wire atress, the rubber ball can be corresponding takes place deformation and absorbs external power, reduces the pressure of wire, improves the life of wire.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with the stretch-proofing layer, when the wire received the pulling force, the wire of shrink can slightly outwards extend, and stretch-proofing layer can bear main pulling force this moment, makes the wire have better stretch-proofing performance, has guaranteed that the wire does not have tensile strain, has greatly reduced the impaired probability of cable, and the support frame can disperse and undertake external pressure, improves the compressive property of wire, and when the wire atress, the rubber ball can corresponding emergence deformation and absorb external force, reduces the pressure of wire, improves the life of wire, compares with prior art, the utility model relates to a rationally, stretch-proofing performance is strong, can not damage under tensile state, has reduced the impaired probability of cable;

2. the utility model discloses a be equipped with fire-retardant layer, fire-retardant layer improves the fire behaviour of cable body, and the reflection stratum is made by the aluminium material, utilizes aluminium self property can the external thermal radiation of separation, improves the heat-proof quality of cable body, and the protective layer is woven by the wire and is formed, avoids the cable body to suffer external sharp-pointed object's damage, improves protective properties.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a side view of the overall structure of the present invention.

Fig. 3 is a front view of the supporting frame structure of the present invention.

Fig. 4 is a perspective view of the supporting frame structure of the present invention.

Fig. 5 is a perspective view of the protective layer structure of the present invention.

The reference signs are: the cable comprises a cable body 1, a covering layer 2, a protective layer 3, a reflecting layer 4, a flame-retardant layer 5, an elastic layer 6, a supporting frame 7, a positioning part 8, a lead 9, a tensile layer 10 and a rubber ball 11.

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 of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a power cable with good anti-stretching effect, which comprises a cable body 1, wherein the cable body 1 is provided with a covering layer 2, a protective layer 3, a reflecting layer 4, a flame-retardant layer 5 and an elastic layer 6 from outside to inside in sequence;

the novel elastic supporting frame is characterized in that a supporting frame 7 is arranged inside the elastic layer 6, a plurality of positioning portions 8 are arranged outside the supporting frame 7, the positioning portions 8 are embedded in the elastic layer 6, a plurality of wires 9 and an anti-stretching layer 10 are arranged inside the supporting frame 7, rubber balls 11 are filled between the wires 9 and the supporting frame 7, and the anti-stretching layer 10 penetrates through the supporting frame 7.

The elastic layer 6 is made of elastic rubber materials, the rubber ball 11 is made of insulating rubber materials, the support frame 7 is made of resin materials, the section of the support frame 7 is circular, the anti-stretching layer 10 is made of steel wire materials, and the rubber ball 11 connects the lead 9 with the support frame 7 through an adhesive.

As shown in fig. 1 to 5, the embodiment specifically is: the lead 9 passes through the inside of the support frame 7 and is fixedly connected with the support frame 7, the support frame 7 is embedded in the elastic layer 6 through the external positioning part 8, the two support frames 7 can be extruded to be close to each other by utilizing the elasticity of the elastic layer 6, the lead 9 positioned between the two support frames 7 can be contracted at the moment, the stretch-resistant layer 10 also penetrates through the inside of the support frame 7, when the lead 9 is pulled, the contracted lead 9 can be slightly extended outwards, at the moment, the stretch-resistant layer 10 can bear main tensile force, so that the lead 9 has better stretch-resistant performance, and when the pulling force disappears, the lead 9 can automatically contract and recover under the action of the elastic layer 6, the lead 9 is ensured not to have tensile strain, the damage probability of the cable is greatly reduced, the stretch-resistant layer 10 is symmetrically distributed on the support frame 7, so that the stretch-resistant layer 10 can disperse and bear external force, and has higher strength, support frame 7 is made by resin material, and the supporting effect is good, and support frame 7 cross sectional shape sets up to circular, makes its dispersivity undertake external pressure, improves the compressive property of wire 9, and it has rubber ball 11 to fill between support frame 7 and the wire 9, and when wire 9 atress, rubber ball 11 can be corresponding takes place deformation and absorb external power, reduces the pressure of wire 9, improves the life of wire 9.

The protective layer 3 is formed by winding a metal wire mesh, the flame-retardant layer 5 is made of a silicon rubber material, and the reflective layer 4 is made of an aluminum material.

As shown in fig. 1-2, the embodiment specifically is: flame-retardant layer 5 is made by silicon rubber, improves cable body 1's fire behaviour, 5 outside parcels on flame-retardant layer have reflection stratum 4, reflection stratum 4 is made by the aluminium material, utilizes aluminium material self property can the external thermal radiation of separation, improves cable body 1's heat-proof quality, and protective layer 3 is woven by the wire and is formed, avoids cable body 1 to suffer the damage of external sharp object, improves protective properties.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, when the wire 9 is subjected to a pulling force, the contracted wire 9 can slightly extend outwards, the stretch-resistant layer 10 can bear a main pulling force, so that the wire 9 has better stretch-resistant performance, and when the pulling force disappears, the wire 9 can automatically contract and recover under the action of the elastic layer 6, the cross section of the support frame 7 is circular, so that the support frame can disperse and bear the external pressure, the rubber ball 11 is filled between the support frame 7 and the wire 9, and when the wire 9 is subjected to the pulling force, the rubber ball 11 can correspondingly deform and absorb the external force, so that the pressure of the wire 9 is reduced;

referring to the attached drawings 1-2 of the specification, the flame retardant layer 5 improves the flame retardant performance of the cable body 1, the reflection layer 4 can block external heat radiation by utilizing the property of aluminum, and the protection layer 3 is formed by weaving metal wires to prevent the cable body 1 from being damaged by external sharp objects.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides an anti-stretch effectual power cable, includes cable body (1), its characterized in that: the cable body (1) is sequentially provided with a covering layer (2), a protective layer (3), a reflecting layer (4), a flame-retardant layer (5) and an elastic layer (6) from outside to inside;

the novel elastic supporting frame is characterized in that a supporting frame (7) is arranged inside the elastic layer (6), a plurality of positioning portions (8) are arranged outside the supporting frame (7), the positioning portions (8) are embedded in the elastic layer (6), a plurality of wires (9) and an anti-stretching layer (10) are arranged inside the supporting frame (7), rubber balls (11) are filled between the wires (9) and the supporting frame (7), and the anti-stretching layer (10) penetrates through the supporting frame (7).

2. The power cable with good stretching resistance effect according to claim 1, wherein: the elastic layer (6) is made of elastic rubber material, and the rubber ball (11) is made of insulating rubber material.

3. The power cable with good stretching resistance effect according to claim 1, wherein: the supporting frame (7) is made of resin materials, and the cross section of the supporting frame (7) is circular.

4. The power cable with good stretching resistance effect according to claim 1, wherein: the support frame (7) and the positioning part (8) can be integrally arranged.

5. The power cable with good stretching resistance effect according to claim 1, wherein: the protective layer (3) is formed by winding a metal wire mesh.

6. The power cable with good stretching resistance effect according to claim 1, wherein: the flame-retardant layer (5) is made of a silicon rubber material.

7. The power cable with good stretching resistance effect according to claim 1, wherein: the tensile resistant layer (10) is made of steel wire materials.

8. The power cable with good stretching resistance effect according to claim 1, wherein: the reflective layer (4) is made of an aluminum material.

9. The power cable with good stretching resistance effect according to claim 1, wherein: the rubber ball (11) connects the lead (9) with the support frame (7) through an adhesive.

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