CN214847831U - Cable capable of preventing electric leakage - Google Patents

Abstract

The utility model discloses a can prevent cable of electric leakage relates to cable technical field, and is lower for solving current cable mechanical strength, uses for a long time and produces mechanical damage easily to lead to the problem of electric leakage. The externally mounted of cable core has the steel band armor, the externally mounted of steel band armor has the oversheath, the upper end of oversheath is provided with the abrasionproof sand grip, and the abrasionproof sand grip is provided with six, the upper end of steel band armor is provided with the spiral embossing, the internally mounted of oversheath has a plurality of reinforcing steel wires, and steel band armor and spiral embossing set up to integrated into one piece structure, the inside of cable core is provided with the conductor, the outside of conductor is provided with insulating sheath, central locating part includes the spacing groove, and the spacing groove is provided with threely, and the conductor is located the inboard of spacing groove, and the spacing groove sets up to semi-circular structure, the cable core includes the inner sheath, be provided with the packing that blocks water between inner sheath and the conductor.

Description

Cable capable of preventing electric leakage

Technical Field

The utility model relates to the technical field of cables, specifically be a can prevent cable of electric leakage.

Background

The cable comprises several or several groups of wire, similar rope, and the cable is various, and the variety is various, and different types of cable are applicable to different installation environment, and with the development of society and the progress of science and technology, also increasingly high to the performance requirement of cable.

However, the conventional cable has low mechanical strength, and is easy to generate mechanical damage after long-term use, thereby causing electric leakage, so that the conventional requirement is not met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent cable of electric leakage to current cable mechanical strength who proposes in solving above-mentioned background art is lower, uses for a long time and produces mechanical damage easily, thereby leads to the problem of electric leakage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can prevent cable of electric leakage, includes cable core and central locating part, the externally mounted of cable core has the steel band armor, the externally mounted of steel band armor has the oversheath, the upper end of oversheath is provided with the abrasionproof sand grip, and the abrasionproof sand grip is provided with six, the upper end of steel band armor is provided with the spiral embossing, the internally mounted of oversheath has a plurality of reinforcement steel wires, and steel band armor and spiral embossing set up to the integrated into one piece structure.

Preferably, the inside of cable core is provided with the conductor, the outside of conductor is provided with insulating sheath, center locating part includes the spacing groove, and the spacing groove is provided with threely, and the conductor is located the inboard of spacing groove, and the spacing groove sets up to semi-circular structure.

Preferably, the cable core comprises an inner sheath, and water-blocking filling is arranged between the inner sheath and the conductor.

Preferably, a mica tape wrapping is arranged on the outer side of the inner sheath and fixedly connected with the inner sheath.

Preferably, the inner side of the inner sheath is provided with a water-blocking tape, and the water-blocking tape is fixedly connected with the inner sheath.

Preferably, the outer sheath and the anti-abrasion convex strip are arranged to be of an integrally formed structure.

Preferably, the cable core is fixedly connected with the steel-tape armor, the steel-tape armor is fixedly connected with the outer sheath, and the inner side of the outer sheath is provided with the spiral groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a plurality of abrasionproof sand grips play certain supporting role, avoid the direct and ground contact of cable main part, offset external environment to some wearing and tearing of outer sheath, a plurality of reinforcement steel wires when not influencing the crooked toughness of cable, improve the mechanical strength of oversheath, avoid the surperficial fish tail of oversheath and tear to prevent to lead to the emergence of electric leakage phenomenon because mechanical damage.

2. The utility model discloses set up the spiral embossing in the outside of steel band armor, improved the snap-in force between steel band armor and cable core and the oversheath, improved the mechanical strength of whole cable, the interlock is inseparable between each structure, is difficult for coming off or tympanic bulla, has further prevented because mechanical damage and has leaded to the emergence of electric leakage phenomenon.

3. The utility model discloses a central locating part carries on spacingly to the conductor for the conductor possesses certain compressive capacity, has prevented the deformation and the distortion of conductor effectively, has further improved the mechanical strength of whole cable.

Drawings

Fig. 1 is a three-dimensional perspective view of a cable capable of preventing electric leakage according to the present invention;

FIG. 2 is a schematic structural view of the cable core of the present invention;

fig. 3 is a partial enlarged view of the region a of the present invention.

In the figure: 1. a cable core; 2. steel tape armoring; 3. an outer sheath; 4. carrying out spiral embossing; 5. reinforcing the steel wire; 6. anti-abrasion convex strips; 7. a central locating piece; 8. a limiting groove; 9. a conductor; 10. an insulating sheath; 11. water-blocking filling; 12. an inner sheath; 13. a water blocking tape; 14. and winding the mica tape.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a cable capable of preventing electric leakage comprises a cable core 1 and a central limiting part 7, a steel strip armor 2 is arranged outside the cable core 1, an outer sheath 3 is arranged outside the steel strip armor 2, an anti-abrasion convex strip 6 is arranged at the upper end of the outer sheath 3, a plurality of anti-abrasion convex strips 6 outside the outer sheath 3 play a certain supporting role to prevent a cable main body from directly contacting with the ground, the anti-abrasion convex strips 6 can counteract partial abrasion of the outer sheath 3 caused by the external environment, the abrasion resistance of the outer sheath 3 is improved, six anti-abrasion convex strips 6 are arranged, spiral grooves 4 are arranged at the upper end of the steel strip armor 2, the spiral grooves 4 outside the steel strip armor 2 improve the engaging force between the steel strip armor 2 and the cable core 1 and the outer sheath 3, the mechanical strength of the whole cable is improved, the engagement between structures is tight, the bubbles are not easy to fall off or fall off, a plurality of reinforcing steel wires 5 are arranged inside the outer sheath 3, a plurality of reinforcing steel wires 5 are located inside the outer sheath 3, the mechanical strength of the outer sheath 3 is improved while the bending toughness of the whole cable is not influenced, namely the mechanical strength of the cable is improved, the outer sheath 3 is prevented from being scratched and torn on the surface, and the steel strip armor 2 and the spiral embossing 4 are arranged into an integrally formed structure.

Further, the inside of cable core 1 is provided with conductor 9, and the outside of conductor 9 is provided with insulating sheath 10, and central locating part 7 includes spacing groove 8, and spacing groove 8 is provided with threely, and conductor 9 is located the inboard of spacing groove 8, and spacing groove 8 sets up to semi-circular structure, and central locating part 7 is spacing to conductor 9 for conductor 9 possesses certain compressive capacity, has prevented the deformation and the distortion of conductor 9 effectively.

Further, the cable core 1 comprises an inner sheath 12, a water-blocking filler 11 is arranged between the inner sheath 12 and the conductor 9, the water-blocking filler 11 can absorb moisture, and the moisture is prevented from entering the insulating sheath 10 to achieve a protection effect.

Further, the outside of inner sheath 12 is provided with mica tape around 14, and mica tape around 14 and inner sheath 12 fixed connection, mica tape around 14 possesses fire-retardant fire-resistant characteristic, has improved the fire resistance of cable.

Further, the inner side of the inner sheath 12 is provided with the water blocking tape 13, the water blocking tape 13 is fixedly connected with the inner sheath 12, the water blocking tape 13 has high water absorption performance, water which is several times of the self weight can be absorbed, and the waterproof effect of the cable is improved.

Further, the outer sheath 3 and the anti-abrasion convex strips 6 are arranged to be of an integrally formed structure, the forming mode is simple, and the integrity is good.

Further, the cable core 1 is fixedly connected with the steel tape armor 2, the steel tape armor 2 is fixedly connected with the outer sheath 3, the inner side of the outer sheath 3 is provided with a spiral groove, and the occlusion force between the steel tape armor 2 and the outer sheath 3 is improved.

The working principle is as follows: when the cable is used, the plurality of anti-abrasion convex strips 6 outside the outer sheath 3 play a certain supporting role to prevent a cable main body from directly contacting with the ground, the anti-abrasion convex strips 6 can counteract partial abrasion of the outer sheath 3 caused by the external environment, the abrasion resistance of the outer sheath 3 is improved, the plurality of reinforcing steel wires 5 are positioned inside the outer sheath 3, the mechanical strength of the outer sheath 3 is improved while the bending toughness of the whole cable is not influenced, namely the mechanical strength of the cable is improved, the surface scratch and the tearing of the outer sheath 3 are avoided, the spiral embossing 4 outside the steel strip armor 2 improves the occluding force between the steel strip armor 2 and the cable core 1 and the outer sheath 3, the mechanical strength of the whole cable is improved, the structures are tightly occluded and are not easy to fall off or bubble, the central limiting part 7 limits the conductor 9, so that the conductor 9 has a certain pressure resistance, and the deformation and the distortion of the conductor 9 are effectively prevented, the mechanical strength of whole cable is higher, and the wholeness is good, has effectively prevented to lead to the emergence of electric leakage phenomenon because mechanical damage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a can prevent cable of electric leakage, includes cable core (1) and central locating part (7), its characterized in that: the cable comprises a cable core (1) and is characterized in that a steel strip armor (2) is mounted outside the cable core (1), an outer sheath (3) is mounted outside the steel strip armor (2), anti-abrasion convex strips (6) are arranged on the upper end of the outer sheath (3), six anti-abrasion convex strips (6) are arranged on the outer sheath, spiral embossing (4) are arranged on the upper end of the steel strip armor (2), a plurality of reinforcing steel wires (5) are mounted inside the outer sheath (3), and the steel strip armor (2) and the spiral embossing (4) are arranged to be of an integrally formed structure.

2. A leakage preventing cable according to claim 1, wherein: the cable comprises a cable core (1), wherein a conductor (9) is arranged in the cable core (1), an insulating sheath (10) is arranged outside the conductor (9), a central limiting part (7) comprises a limiting groove (8), the limiting groove (8) is three, the conductor (9) is located on the inner side of the limiting groove (8), and the limiting groove (8) is of a semicircular structure.

3. A leakage preventing cable according to claim 2, wherein: the cable core (1) comprises an inner sheath (12), and water-blocking filling (11) is arranged between the inner sheath (12) and the conductor (9).

4. A leakage preventing cable according to claim 3, wherein: the outer side of the inner sheath (12) is provided with a mica tape wrapping (14), and the mica tape wrapping (14) is fixedly connected with the inner sheath (12).

5. A leakage preventing cable according to claim 3, wherein: the inner side of the inner sheath (12) is provided with a water-blocking tape (13), and the water-blocking tape (13) is fixedly connected with the inner sheath (12).

6. A leakage preventing cable according to claim 1, wherein: the outer sheath (3) and the anti-abrasion convex strips (6) are arranged to be of an integrally formed structure.

7. A leakage preventing cable according to claim 1, wherein: the cable core (1) is fixedly connected with the steel-tape armor (2), the steel-tape armor (2) is fixedly connected with the outer sheath (3), and the inner side of the outer sheath (3) is provided with a spiral groove.

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