CN212161357U - Isolated mineral insulated cable with large overload capacity - Google Patents

Abstract

The utility model discloses an isolated mineral insulated cable with large overload capacity, which comprises a guide body, the outer wall of the guiding body is also provided with a plurality of adjacent limiting parts in a winding way, an elastic part is connected between the inner walls of the opening ends of the limiting parts, the cable main body restrained by the elastic part is placed in the limiting part, the wrapping layer is coated outside the limiting part, a protective sleeve is coated outside the wrapping layer, and filling bodies are filled in gaps among the wrapping layer, the limiting part, the elastic part and the cable main body, thereby under the combined action of all parts, the guide body, the limiting part and the elastic part form a supporting framework, so that the cable main body is more convenient to limit and position and is convenient to assemble, meanwhile, the support device has better supporting effect and does not influence the normal bending of the support device, so that the integral stability is better and the service life is longer.

Description

Isolated mineral insulated cable with large overload capacity

Technical Field

The utility model relates to the technical field of cables, specifically be a big isolated form mineral insulated cable of overload capacity.

Background

Mineral insulated cables are abbreviated as MI cables, and are commonly called magnesium oxide cables or fireproof cables in China when used as wiring. The cable is a copper core copper sheath cable taking mineral material magnesium oxide powder as insulation, and the mineral insulation cable is composed of two inorganic materials of a copper conductor, magnesium oxide and a copper sheath.

However, the existing mineral insulated cable is lack of a fixing limiting part during bundling manufacturing, so that the whole structure of the cable is not firm enough, and the service life of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a big isolated form mineral insulated cable of overload capacity has solved the above-mentioned problem that proposes.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a big isolated form mineral insulated cable of overload capacity, includes the guide body, the outer wall of guide body is still around the restriction portion that is provided with a plurality of adjacent settings, be connected with elasticity portion between the open end inner wall of restriction portion, place the cable main part through elasticity portion restraint in the restriction portion, the outside cladding of restriction portion has around the covering, the outside cladding around the covering has the lag, it has the obturator to fill in the clearance between covering, restriction portion, elasticity portion, the cable main part.

Preferably, the guide body, the restriction portion, and the elastic portion constitute an internal support skeleton.

Preferably, the restriction portion is the arc structure and has the preparation of elasticity rubber materials, the guide body has elasticity bending performance, and a plurality ofly encircles and sets up on the guide body restriction portion integrated into one piece, and a plurality ofly encircles and sets up on the guide body the restriction portion is equipped with the multiunit along the length direction equidistance of guide body.

Preferably, the cable main body comprises a copper conductor, an insulating coating layer, a copper sheath and an outer sheath, the insulating coating layer is coated outside the copper conductor, the copper sheath is coated on the insulating coating layer, and the outer sheath is coated on the copper sheath.

Preferably, the filling body is a PP rope or a hemp rope.

(III) advantageous effects

The utility model provides a big isolated form mineral insulated cable of overload capacity. The method has the following beneficial effects: under the combined action of each part, the guide body, the limiting part and the elastic part form a supporting framework, so that the cable main body is more conveniently limited and positioned, the cable main body is convenient to assemble, a better supporting effect is achieved, and normal bending of the cable main body is not influenced, so that the whole stable type of the cable main body is better, and the service life of the cable main body is longer.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a schematic structural diagram of the cable main body of the present invention.

In the figure: 1. a guide body; 2. a restricting section; 3. an elastic portion; 4. a cable body; 41. a copper conductor; 42. an insulating coating layer; 43. a copper sheath; 44. an outer sheath; 5. wrapping a covering; 6. a protective sleeve; 7. and a filler.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a big isolated form mineral insulated cable of overload capacity, includes guide body 1, guide body 1's outer wall is still around the restriction portion 2 that is provided with a plurality of adjacent settings, be connected with elastic component 3 between the open end inner wall of restriction portion 2, place cable main part 4 through the restraint of elastic component 3 in the restriction portion 2, the outside cladding of restriction portion 2 has around covering 5, the outside cladding around covering 5 has lag 6, it has obturator 7 to fill in the clearance between covering 5, restriction portion 2, elastic component 3, cable main part 4.

In order to enhance the supporting characteristics, the guide body 1, the limiting part 2 and the elastic part 3 form a built-in supporting framework, so that the cable main body is convenient to arrange and the overall supporting capability is improved.

In order to facilitate positioning limitation, the limiting part 2 is of an arc-shaped structure and made of elastic rubber materials, so that the limiting part has certain stability and is convenient to coat, the guide body 1 has elastic bending performance, the guide body can meet the requirement of integral bending of a cable harness, a plurality of limiting parts 2 are arranged on the guide body 1 in a surrounding mode and are integrally formed, and a plurality of groups of limiting parts 2 are arranged on the guide body 1 in a surrounding mode and are arranged in the length direction of the guide body 1 at equal intervals, so that the integral supporting characteristic can be enhanced.

In order to improve the performance of the cable main body 4, the cable main body 4 is composed of a copper conductor 41, an insulating coating 42, a copper sheath 43 and an outer sheath 44, wherein the insulating coating 42 is coated outside the copper conductor 41, the copper sheath 43 is coated on the insulating coating 42, and the outer sheath 44 is coated on the copper sheath 43.

In order to save cost and facilitate filling, the filling body 7 is a PP rope or a hemp rope.

The implementation method comprises the following steps: firstly, the cable main body 4 is composed of a copper conductor 41, an insulating coating layer 42, a copper sheath 43 and an outer sheath 44, so that the cable main body has good characteristics, meanwhile, a built-in supporting framework composed of the guide body 1, the limiting part 2 and the elastic part 3 is additionally arranged, the integral bearing capacity of the cable main body is stronger, the extrusion deformation is not easy to occur, and the winding among the built-in cable main bodies 4 is not caused, so that the service life of the cable main body is prolonged, in addition, the built-in supporting framework is arranged during processing and manufacturing, the positioning limitation on the cable main body 4 is convenient, so that the actual requirements are better met, under the common action of all parts, the guide body, the limiting part and the elastic part form the supporting framework, so that the cable main body is more convenient to limit and position, the cable main body is convenient to tool, a better supporting effect is achieved, and the normal bending of the cable main body is not influenced, so, the service life is longer.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An isolated mineral insulated cable with large overload capacity comprises a guide body (1), and is characterized in that: the outer wall of guide body (1) is still around restriction portion (2) that are provided with a plurality of adjacent settings, be connected with elastic component (3) between the open end inner wall of restriction portion (2), place cable main part (4) through elastic component (3) restraint in restriction portion (2), the outside cladding of restriction portion (2) has around covering (5), the outside cladding around covering (5) has lag (6), it has obturator (7) to fill in the clearance between covering (5), restriction portion (2), elastic component (3), cable main part (4).

2. The mineral insulated cable with large overload capacity according to claim 1, wherein: the guide body (1), the limiting part (2) and the elastic part (3) form a built-in supporting framework.

3. The mineral insulated cable with large overload capacity according to claim 1, wherein: restriction portion (2) are the arc structure and have the preparation of elasticity rubber materials, guide body (1) has elasticity bending property, and a plurality ofly encircles and sets up on guide body (1) restriction portion (2) integrated into one piece, and a plurality ofly encircles and sets up on guide body (1) restriction portion (2) are equipped with the multiunit along the length direction equidistance of guide body (1).

4. The mineral insulated cable with large overload capacity according to claim 1, wherein: the cable main body (4) is composed of a copper conductor (41), an insulating coating layer (42), a copper sheath (43) and an outer sheath (44), wherein the insulating coating layer (42) is coated outside the copper conductor (41), the copper sheath (43) is coated on the insulating coating layer (42), and the outer sheath (44) is coated on the copper sheath (43).

5. The mineral insulated cable with large overload capacity according to claim 1, wherein: the filling body (7) is a PP rope or a hemp rope.

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