CN215954872U - Anti-interference shielded cable - Google Patents

Abstract

The utility model provides an anti-interference shielding cable, which comprises 3 insulation wire cores distributed in a shape like a Chinese character 'pin', an insulation framework, an inner liner, a steel strip armor layer and a sheath layer, wherein a copper conductor is arranged at the center of each insulation wire core, a crosslinked polyethylene insulation layer is arranged outside each copper conductor, a polyester film belt is coated outside each crosslinked polyethylene insulation layer, a copper wire braided shielding layer is arranged outside each polyester film belt, a PE insulation layer is arranged outside each copper wire braided shielding layer, the insulation framework is sleeved outside each insulation wire core, a partition plate fixedly arranged inside each insulation framework separates the 3 insulation wire cores distributed in the shape like the Chinese character 'pin' into different intervals, a plurality of compression-resistant pieces are axially and uniformly distributed outside each insulation framework and are coated outside the compression-resistant pieces, the steel strip armor layer is arranged outside the inner liner, the sheath layer is arranged outside the steel strip armor layer, and the sheath layer is divided into an inner protective layer inside and an outer protective layer outside, the inner protective layer and the outer protective layer are assembled.

Description

Anti-interference shielded cable

Technical Field

The utility model relates to the technical field of electric wires and cables, in particular to an anti-interference shielding cable.

Background

Cables, typically rope-like cables consisting of several or groups of conductors twisted together, are insulated from each other and often twisted around a center, the entire outer surface of which is covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation, and the cable is of a wide variety, and can be used in different cables according to different application environment requirements.

The existing cable has poor anti-interference performance and pressure resistance performance, and easily causes signal distortion in the signal transmission process, so that the signal transmission is unstable, and the transmitted image is not clear.

Therefore, the present invention provides an anti-interference shielded cable to solve the above existing problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an anti-interference shielded cable.

In order to solve the technical problems, the utility model provides the following technical scheme: an anti-interference shielding cable comprises 3 insulation wire cores distributed in a 'product' shape, an insulation framework, an inner liner, a steel strip armor layer and a sheath layer, wherein a copper conductor is arranged at the center of each insulation wire core, a crosslinked polyethylene insulation layer is arranged outside the copper conductor, a polyester film belt is coated outside the crosslinked polyethylene insulation layer, a copper wire woven shielding layer is arranged outside the polyester film belt, a PE insulation layer is arranged outside the copper wire woven shielding layer, the insulation framework is sleeved outside the insulation wire cores, 3 insulation wire cores distributed in the 'product' shape are separated in different intervals by a separation plate fixedly arranged inside the insulation framework, a plurality of compression-resisting parts are axially and uniformly distributed outside the insulation framework, the inner liner is coated outside the compression-resisting parts, the steel strip armor layer is arranged outside the inner liner, the sheath layer is arranged outside the steel strip armor layer, and the sheath layer is divided into an inner protective layer and an outer protective layer, the inner protective layer and the outer protective layer are assembled.

As a preferable technical scheme, the compression-resistant piece comprises a herringbone elastic piece arranged on the insulating framework and an arc-shaped elastic clamp abutted to the lining layer, and the herringbone elastic piece is connected with the arc-shaped elastic clamp.

As a preferable technical scheme, a filling layer is arranged in a gap between the partition plate and the insulated wire core in the insulated framework.

As a preferred technical scheme of the utility model, a plurality of arc-shaped protrusions are arranged at intervals outside the inner protection layer, and a plurality of arc-shaped clamping grooves are uniformly arranged in an interval between every two arc-shaped protrusions.

As a preferable technical scheme, a plurality of arc-shaped grooves are formed in the inner side of the outer protective layer at intervals, and a plurality of arc-shaped clamping blocks are uniformly arranged in an interval between every two arc-shaped grooves.

As a preferred technical scheme of the utility model, the arc-shaped bulge is assembled and matched with the arc-shaped groove; the arc clamping groove is assembled and matched with the arc clamping block.

As a preferable technical scheme of the utility model, the sheath layer is made of polyvinyl chloride material.

The utility model has the following beneficial effects: according to the anti-interference shielding cable, the relative positions of the insulated wire cores can be fixed through the arranged insulating frameworks, extrusion friction among the wire cores is avoided, signal mutual interference among the wire cores is reduced, and external impact load is buffered; in addition, the compression resistance of the cable can be improved by arranging a plurality of compression resistant parts outside the insulating framework; through the restrictive coating that sets up again, the thickness of multiplicable sheath cushions external shock and vibration, and the restrictive coating is assembled by inside inner sheath and outside outer sheath and is made simultaneously, can prevent the mutual dislocation between the restrictive coating.

The utility model will be explained in more detail below with reference to the drawings and examples.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a sheath layer according to the present invention;

FIG. 3 is a schematic view of the inner sheath structure of the present invention;

FIG. 4 is a schematic view of an outer protective layer according to the present invention;

FIG. 5 is a schematic view of a compression resistant member according to the present invention;

reference numbers in the figures: 1. an insulating framework; 2. an inner liner layer; 3. a steel tape armor layer; 4. a sheath layer; 5. a copper conductor; 6. a crosslinked polyethylene insulating layer; 7. a polyester film tape; 8. weaving a shielding layer by using copper wires; 9. a PE insulating layer; 10. a partition plate; 11. a compression resistant part; 12. an inner protective layer; 13. an outer jacket; 14. a herringbone elastic member; 15. an arc-shaped elastic clamp; 16. a filling layer; 17. an arc-shaped bulge; 18. an arc-shaped clamping groove; 19. an arc-shaped groove; 20. an arc-shaped clamping block.

Detailed Description

The terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like in the specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1-5, the anti-interference shielded cable provided by the present invention comprises 3 insulation wire cores distributed in a shape like a Chinese character ' pin ', an insulation framework 1, an inner liner 2, a steel tape armor layer 3 and a sheath layer 4, wherein the center of the insulation wire core is provided with a copper conductor 5, a crosslinked polyethylene insulation layer 6 is arranged outside the copper conductor 5, a polyester film tape 7 is coated outside the crosslinked polyethylene insulation layer 6, a copper wire braided shield layer 8 is arranged outside the polyester film tape 7, a PE insulation layer 9 is arranged outside the copper wire braided shield layer 8, the insulation framework 1 is sleeved outside the insulation wire cores, a partition plate 10 fixedly arranged inside the insulation framework separates the 3 insulation wire cores distributed in a shape like a Chinese character ' pin in different regions, a plurality of compression-resistant members 11 are axially and uniformly distributed outside the insulation framework 1, the inner liner 2 is coated outside the plurality of compression-resistant members 11, the steel tape armor layer 3 is arranged outside the inner liner 2, sheath layer 4 sets up in the outside of steel band armor 3, sheath layer 4 divides into inside inner sheath 12 and outside outer jacket 13, inner sheath 12 and outer jacket 13 equipment cooperation.

Further, compression resistant part 11 is including setting up "people" font elastic component 14 and the arc elastic clamp 15 of butt inner liner 2 on insulating skeleton 1, "people" font elastic component 14 and arc elastic clamp 15 are connected, can improve the compressive property of cable.

Further, a filling layer 16 is arranged in a gap between the partition plate 10 and the insulated wire core inside the insulated framework 1.

Further, a plurality of arc-shaped protrusions 17 are arranged on the outer portion of the inner sheath 12 at intervals, and a plurality of arc-shaped clamping grooves 18 are evenly arranged in the interval between every two arc-shaped protrusions 17.

Further, a plurality of arc-shaped grooves 19 are formed in the inner side of the outer protective layer 13 at intervals, and a plurality of arc-shaped fixture blocks 20 are uniformly arranged in the interval between every two arc-shaped grooves 19.

Further, the arc-shaped protrusion 17 is assembled and matched with the arc-shaped groove 19; the arc clamping groove 18 and the arc clamping block 20 are assembled and matched, so that the thickness of the sheath can be increased, external impact and vibration can be buffered, and mutual dislocation between sheath layers can be prevented.

Further, the sheath layer 4 is made of polyvinyl chloride material.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

The parts not involved in the present invention are the same as or can be implemented using the prior art.

Claims (7)

1. An anti-interference shielding cable is characterized by comprising 3 insulating wire cores, an insulating framework (1), an inner liner (2), a steel strip armor layer (3) and a protective sleeve layer (4), wherein the insulating wire cores are distributed in a 'article' shape, a copper conductor (5) is arranged at the center of each insulating wire core, a cross-linked polyethylene insulating layer (6) is arranged outside the copper conductor (5), a polyester film belt (7) is coated outside the cross-linked polyethylene insulating layer (6), a copper wire woven shielding layer (8) is arranged outside the polyester film belt (7), a PE insulating layer (9) is arranged outside the copper wire woven shielding layer (8), the insulating framework (1) is sleeved outside each insulating wire core, 3 insulating wire cores distributed in a 'article' shape are separated in different intervals by a partition plate (10) fixedly arranged inside the insulating framework, and a plurality of pressure-resisting parts (11) are axially and uniformly distributed outside the insulating framework (1), inner liner (2) cladding is in the outside of a plurality of anti-compression parts (11), and establish in the outside of inner liner (2) steel tape armor (3), and restrictive coating (4) set up the outside at steel tape armor (3), restrictive coating (4) divide into inside inner protection layer (12) and outside outer jacket (13), inner protection layer (12) and outer jacket (13) equipment cooperation.

2. An anti-interference shielded cable according to claim 1, characterized in that the compression-resistant member (11) comprises a herringbone elastic member (14) arranged on the insulating framework (1) and an arc-shaped elastic clip (15) abutting against the lining layer (2), and the herringbone elastic member (14) and the arc-shaped elastic clip (15) are connected.

3. An anti-interference shielded cable according to claim 1, characterized in that the gap between the internal separator (10) of the insulating framework (1) and the insulated wire core is filled with a filling layer (16).

4. An anti-tamper shielded cable according to claim 1, wherein the inner sheath (12) is provided with a plurality of arcuate projections (17) at intervals on the outside thereof, and a plurality of arcuate slots (18) are uniformly arranged in the interval between every two arcuate projections (17).

5. The anti-interference shielding cable according to claim 4, wherein a plurality of arc-shaped grooves (19) are formed at intervals on the inner side of the outer sheath (13), and a plurality of arc-shaped blocks (20) are uniformly arranged in an interval between every two arc-shaped grooves (19).

6. An anti-tamper shielded cable according to claim 5, wherein the arcuate projections (17) are in assembled engagement with the arcuate recesses (19); the arc clamping groove (18) is assembled and matched with the arc clamping block (20).

7. An anti-interference shielded cable according to claim 1, characterized in that said sheath layer (4) is made of polyvinyl chloride material.

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