CN214541648U

CN214541648U - Compound tensile wire and cable

Info

Publication number: CN214541648U
Application number: CN202120606579.1U
Authority: CN
Inventors: 许敏琪
Original assignee: Tianjin Antexun Technology Co ltd
Current assignee: Tianjin Antexun Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-10-29
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to the technical field of electric wires and cables, in particular to a composite tensile electric wire and cable, which comprises a buffer sleeve and a wire core group arranged in the buffer sleeve, wherein the wire core group comprises a first phase wire positioned at the central position of the buffer sleeve and a second phase wire which surrounds the first phase wire and is distributed in an annular array, a plurality of groups of elastic abutting arms are arranged on the inner wall of the buffer sleeve, the plurality of groups of elastic abutting arms surround the second phase wire and are distributed in an annular array, each group of elastic abutting arms are two and are symmetrically arranged, the two elastic abutting arms are both attached to the outer side of the second phase wire, and a first buffer cavity is enclosed between the outer sides of the two elastic abutting arms, which are attached to the outer side of the second phase wire, and the buffer sleeve, the utility model discloses a cable which has good pressure resistance by arranging the elastic abutting arms distributed in an annular array, so that the second phase wire can realize the buffer when being stressed through the first buffer cavity, the problem of cable resistance to compression crashproof ability among the prior art lower, just easily cause inside sinle silk damage is solved.

Description

Compound tensile wire and cable

Technical Field

The utility model relates to a wire and cable technical field specifically is a compound tensile wire and cable.

Background

The cable (wire) is mainly used for electric energy or signal transmission, and generally comprises several or several groups of wires, such as power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable, and the like, and the cable (wire) comprises single-strand or multi-strand wires and an insulating layer and is used for connecting circuits, electric appliances, and the like.

Most cables in the market only have one protective layer, so the protection strength to whole cable is not enough, and its drawback is that resistance to compression tensile ability is lower, receives outside impact extrusion or tensile, easily breaks or damages inside sinle silk, exists certain not enoughly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound tensile wire and cable has good resistance to compression and tensile ability to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a composite tensile electric wire and cable comprises a fireproof sleeve, a polyvinyl chloride sheath arranged outside the fireproof sleeve in an extruded mode, and a buffer sleeve arranged inside the fireproof sleeve in an extruded mode, wherein a wire core group is arranged inside the buffer sleeve and comprises a first phase wire located in the central position of the buffer sleeve and second phase wires which surround the first phase wire and are distributed in an annular array mode, a first anti-pulling strip is filled at the position, adjacent to the first phase wire, of each second phase wire, a plurality of groups of elastic abutting arms are arranged on the inner wall of the buffer sleeve and distributed in an annular array mode around the second phase wires, each group of elastic abutting arms are symmetrically arranged, the two elastic abutting arms are attached to the outer sides of the second phase wires, a first buffer cavity is enclosed between the outer sides of the two elastic abutting arms, attached to the second phase wires, of the two adjacent abutting arms and the buffer sleeve, and the two elastic arms of each group are attached to the second phase wires respectively, and a second buffer cavity is enclosed between the outer side of each group of two adjacent elastic abutting arms respectively attached to the second phase line and the buffer sleeve.

Optionally, a second anti-pulling strip is filled between each two adjacent elastic abutting arms and below the second buffer cavity.

Optionally, a third buffer cavity is enclosed between each elastic abutting arm and between each buffer sleeve.

Optionally, the first phase line and the second phase line are composed of a conductor wire core and an insulating layer coated on the periphery of the conductor wire core, and the insulating layer is made of a perfluoroethylene propylene copolymer material.

Optionally, the buffer sleeve and the elastic abutting arm are made of a TPE material, the fireproof sleeve is a flame-retardant sleeve made of a high-bulk glass fiber sleeve.

Compared with the prior art, the utility model provides a compound tensile wire and cable possesses following beneficial effect:

1. the utility model discloses a set up the elasticity butt joint arm that is the annular array and distributes, make a plurality of second facies accessible first cushion chamber, second cushion chamber and third cushion chamber realize the buffering when atress, make the cable have good compressive capacity, solved the cable compressive crashworthiness among the prior art lower, and easily cause the problem of inside sinle silk damage;

2. the utility model discloses a set up first anti brace in the adjacent department of first phase line and second phase line to and set up the anti brace of second between two adjacent elasticity butt arms of every group, make the cable have good tensile ability, it is lower to have solved the cable stretch-proofing ability among the prior art, and easy cracked problem.

Drawings

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

In the figure: 1. a fireproof sleeve; 2. a polyvinyl chloride sheath; 3. a buffer sleeve; 4. a wire core group; 401. a first phase line; 402. a second phase line; 5. a first anti-brace bar; 6. an elastic abutting arm; 7. a first buffer chamber; 8. a second buffer chamber; 9. a second anti-bracing strip; 10. and a third buffer chamber.

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.

Example (b): referring to fig. 1, a composite tensile electric wire and cable comprises a fire-proof sleeve 1, a polyvinyl chloride sheath 2 extruded outside the fire-proof sleeve 1, and a buffer sleeve 3 extruded inside the fire-proof sleeve 1, wherein a core group 4 is arranged inside the buffer sleeve 3, the core group 4 comprises a first phase line 401 located at the central position of the buffer sleeve 3, and second phase lines 402 surrounding the first phase line 401 and distributed in an annular array, a first anti-pulling strip 5 is filled at the adjacent position of each second phase line 402 and the first phase line 401, a plurality of groups of elastic abutting arms 6 are arranged on the inner wall of the buffer sleeve 3, the plurality of groups of elastic abutting arms 6 are distributed in an annular array surrounding the second phase line 402, each group of elastic abutting arms 6 is symmetrically arranged, the two elastic abutting arms 6 are both attached to the outer side of the second phase line 402, and a first buffer cavity 7 is enclosed between the outer side of the two elastic abutting arms 6 attached to the outer side of the second phase line 402 and the buffer sleeve 3, each group of two adjacent elastic abutting arms 6 are respectively attached to the second phase line 402, a second buffer cavity 8 is enclosed between the outer side of each group of two adjacent elastic abutting arms 6 respectively attached to the second phase line 402 and the buffer sleeve 3, a second anti-bracing piece 9 is filled between each group of two adjacent elastic abutting arms 6 and below the second buffer cavity 8, and a third buffer cavity 10 is enclosed between each group of elastic abutting arms 6 and the buffer sleeve 3;

the first phase line 401 and the second phase line 402 are composed of a conductor core and an insulating layer coated on the periphery of the conductor core, the insulating layer is made of a perfluoroethylene propylene copolymer material, the buffer sleeve 3 and the elastic abutting arm 6 are made of a TPE material, the fireproof sleeve 1 is made of a flame-retardant sleeve, and the flame-retardant sleeve is made of a sleeve made of high-bulk glass fiber;

therefore, when any direction of the outside of the polyvinyl chloride sheath 2 is extruded or impacted, the force applied to the polyvinyl chloride sheath can act on the fireproof sleeve 1, the fireproof sleeve 1 acts on the buffer sleeve 3, the buffer sleeve 3 can realize force buffering through the plurality of first buffer cavities 7, second buffer cavities 8 and third buffer cavities 10, so that the first phase line 401 and the second phase line 402 are not easy to break when being extruded or impacted externally, the first anti-pulling strip 5 is arranged at the position, adjacent to the first phase line 401, of the second phase line 402, and the second anti-pulling strip 9 is arranged between each two adjacent elastic abutting arms 6, so that the cable has good tensile, compressive and buffering capabilities.

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, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a 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

1. The utility model provides a compound tensile wire and cable which characterized in that: comprises a fireproof sleeve (1), a polyvinyl chloride sheath (2) arranged outside the fireproof sleeve (1) in an extruded manner, and a buffer sleeve (3) arranged inside the fireproof sleeve (1) in an extruded manner, wherein a wire core group (4) is arranged inside the buffer sleeve (3), the wire core group (4) comprises a first phase wire (401) positioned at the central position of the buffer sleeve (3) and second phase wires (402) which surround the first phase wire (401) and are distributed in an annular array manner, a first anti-bracing piece (5) is filled at the adjacent position of each second phase wire (402) and the first phase wire (401), a plurality of groups of elastic abutting arms (6) are arranged on the inner wall of the buffer sleeve (3), the plurality of groups of elastic abutting arms (6) are distributed in an annular array manner surrounding the second phase wires (402), each group of elastic abutting arms (6) is two and symmetrically arranged, and the two elastic abutting arms (6) are both attached to the outer side of the second phase wires (402), and enclose between the outside of the outside laminating second phase line (402) of two elasticity butt joint arms (6) and cushion collar (3) and close first cushion chamber (7), and every adjacent two elasticity butt joint arms (6) of group are laminated with second phase line (402) respectively mutually, and enclose between the outside of laminating second phase line (402) respectively and cushion collar (3) and close second cushion chamber (8) every adjacent two elasticity butt joint arms (6) of group.

2. The composite tensile electric wire and cable according to claim 1, wherein: and a second tension resisting strip (9) is filled between each two adjacent elastic abutting arms (6) and below the second buffer cavity (8).

3. The composite tensile electric wire and cable according to claim 1, wherein: a third buffer cavity (10) is enclosed between each elastic butting arm (6) and between each buffer sleeve (3).

4. The composite tensile electric wire and cable according to claim 1, wherein: the first phase line (401) and the second phase line (402) are composed of a conductor wire core and an insulating layer wrapping the periphery of the conductor wire core, and the insulating layer is made of a perfluoroethylene propylene copolymer material.

5. The composite tensile electric wire and cable according to claim 1, wherein: the buffer sleeve (3) and the elastic abutting arm (6) are made of TPE materials, the fireproof sleeve (1) adopts a flame-retardant sleeve, and the flame-retardant sleeve is made of a sleeve made of high-bulk glass fiber.