CN211879076U - Heat-resistant light polyvinyl chloride sheath flexible wire - Google Patents

Abstract

The utility model relates to a flexible cord of a polyvinyl chloride sheath, in particular to a flexible cord of a heat-resistant light polyvinyl chloride sheath, which comprises an outer sheath, the inner part of the outer sheath is sequentially provided with a water-proof layer, a protective sleeve and a separation pad from outside to inside, the separation pad is in a cross shape, the separation pad is made of elastic rubber, the protective sleeve comprises an inner sleeve, the outer wall of the inner sleeve is provided with an outer sleeve, a plurality of springs are arranged between the outer sleeve and the inner sleeve, a plurality of through holes are arranged in the separation pad, four sliding grooves are arranged in the inner sleeve, four end parts of the separation pad are arranged in the four sliding grooves, the inside four wires that are provided with of endotheca, the wire is located separate between two sides of pad, the utility model discloses can cushion the damage of extruded rigidity impact to the wire, and can prevent a plurality of wires winding signal mutual interference.

Description

Heat-resistant light polyvinyl chloride sheath flexible wire

Technical Field

The utility model relates to a polyvinyl chloride sheath patchcord, concretely relates to heat-resisting light-duty polyvinyl chloride sheath patchcord.

Background

The polyvinyl chloride sheath flexible wire is a cable with a sheath wire, which is a single-core or multi-core electric wire with a polyvinyl chloride sheath layer to increase the safety, the sheath wire can be divided into a hard sheath wire and a soft sheath wire, the sheath wire can be divided into a round sheath wire and a flat sheath wire according to the application environment and the shape, the round sheath wire is generally a multi-core and a flat generally single-core, the current polyvinyl chloride sheath flexible wire is mostly a heat-resistant light polyvinyl chloride sheath flexible wire, however, the current polyvinyl chloride sheath flexible wire has no protective layer, the buffer protection is not generated by extrusion in the using process, the damage is easy, the potential safety hazard exists, even the safety accident can be caused, and the common structure of the polyvinyl chloride sheath flexible wire is that a plurality of wires are sleeved inside the sheath, the wires move relatively in the laying process or pulling process in the sheath, so that the wires are wound together, it is easy to cause signal interference between them, and in view of this, we propose a heat-resistant lightweight polyvinyl chloride sheathed cord.

Disclosure of Invention

An object of the utility model is to provide a heat-resisting light-duty polyvinyl chloride sheath patchcord to solve the current polyvinyl chloride sheath patchcord that proposes among the above-mentioned background art and do not have the easy broken and a plurality of wire of buffering protection between the easy problem of twining together.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a heat-resisting light-duty polyvinyl chloride sheath patchcord, includes the oversheath, inside by outer to interior marine barrier, lag and the spacer pad of having set gradually, the spacer pad is the cross, the spacer pad is the elastic rubber material, the lag includes the endotheca, the endotheca outer wall is provided with the overcoat, the overcoat with be provided with a plurality of springs between the endotheca.

Preferably, a plurality of through holes are formed in the separating pad.

Preferably, four sliding grooves are formed in the inner sleeve, and four end portions of the separation pad are arranged in the four sliding grooves.

Preferably, four conducting wires are arranged inside the inner sleeve and are located between two side edges of the separation pad.

Preferably, the inner layer of the inner sleeve is provided with a fireproof layer.

Preferably, the plurality of springs are uniformly distributed between the inner sleeve and the outer sleeve at equal intervals.

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

1. this heat-resisting light-duty polyvinyl chloride sheath patchcord through setting up the lag, when receiving the extrusion, the spring compression, under the elasticity effect of spring, can the buffer pressure avoid the wire damaged to the damage of wire.

2. This heat-resisting light-duty polyvinyl chloride sheath patchcord through setting up the spacer pad, puts a plurality of wires respectively between two sides of spacer pad, can separate the wire and place, prevents the wire winding, avoids signal mutual interference.

Drawings

FIG. 1 is an exploded view of the whole structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a partial schematic view of the structure of the protective cover of the present invention;

fig. 4 is a partial schematic view of the structure of the separating pad of the present invention.

In the figure: 1. an outer sheath; 2. a water barrier layer; 3. a protective sleeve; 31. an inner sleeve; 310. a chute; 311. a fire barrier layer; 32. a jacket; 33. a spring; 4. a separation pad; 40. a through hole; 5. and (4) conducting wires.

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.

In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

A heat-resistant light polyvinyl chloride sheath flexible wire aims to solve the problems that an existing polyvinyl chloride sheath flexible wire is not provided with a buffer protection and is easy to break and a plurality of wires are easy to be wound together, and as a preferred embodiment, as shown in figure 1, figure 2, figure 3 and figure 4, the heat-resistant light polyvinyl chloride sheath flexible wire comprises an outer sheath 1, a water-resisting layer 2, a protecting sleeve 3 and a separating pad 4 are sequentially arranged inside the outer sheath 1 from outside to inside, the water-resisting layer 2 can prevent water from entering the inside and affecting normal use, the separating pad 4 is cross-shaped, the separating pad 4 is made of elastic rubber materials, the elasticity of the rubber materials is sufficient, the corrosivity is good, four wires 5 are arranged inside an inner sleeve 31, the wires 5 are located between two sides of the separating pad 4, the wires 5 are respectively placed between the two sides of the separating pad 4, the wires 5 can be separated and placed.

Specifically, a plurality of through holes 40 are formed in the separating pad 4, and the plurality of through holes 40 enable the separating pad 4 to be internally provided with gaps, so that materials are saved, the separating pad 4 can be elastically deformed under extrusion, and the pressure is buffered under the elastic action of the rubber separating pad 4 to avoid crushing the lead 5.

Further, the protecting sleeve 3 comprises an inner sleeve 31, an outer sleeve 32 is arranged on the outer wall of the inner sleeve 31, a plurality of springs 33 are arranged between the outer sleeve 32 and the inner sleeve 31, the plurality of springs 33 are evenly distributed between the inner sleeve 31 and the outer sleeve 32 at equal intervals, when the springs 33 are extruded, the springs 33 are compressed, and under the action of the elastic force of the springs 33, the springs 33 buffer the damage of rigid impact to the lead 5.

It should be noted that four sliding grooves 310 are formed in the inner sleeve 31, four end portions of the separating pad 4 are disposed in the four sliding grooves 310, and the sliding grooves 310 limit and fix the separating pad 4 to prevent the separating pad 4 from twisting and deviating.

Specifically, the inner layer of the inner sleeve 31 is provided with a fireproof layer 311, and the fireproof layer 311 improves fire resistance and prevents the lead 5 from being damaged by fire.

The utility model discloses heat-resisting light-duty polyvinyl chloride sheath patchcord is when using, and a plurality of wires 5 are put respectively between two sides of cross spacer 4, can separate wire 5 and place, prevent that wire 5 from twining, avoid signal mutual interference, when receiving the extrusion, spring 33 compresses, and under spring 33's elastic force effect, spring 33 cushions the damage of rigid impact to wire 5.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A heat-resistant light polyvinyl chloride sheath flexible wire comprises an outer sheath (1), and is characterized in that: oversheath (1) is inside by having set gradually water barrier (2), lag (3) and divider pad (4) outward to interior, divider pad (4) are the cross, divider pad (4) are the elastic rubber material, lag (3) are including endotheca (31), endotheca (31) outer wall is provided with overcoat (32), overcoat (32) with be provided with a plurality of springs (33) between endotheca (31).

2. A heat-resistant light-weight polyvinyl chloride sheath cord according to claim 1, characterized in that: the separating pad (4) is internally provided with a plurality of through holes (40).

3. A heat-resistant light-weight polyvinyl chloride sheath cord according to claim 1, characterized in that: four sliding grooves (310) are formed in the inner sleeve (31), and four end portions of the separating pad (4) are arranged in the four sliding grooves (310).

4. A heat-resistant light-weight polyvinyl chloride sheath cord according to claim 1, characterized in that: four wires (5) are arranged inside the inner sleeve (31), and the wires (5) are located between two side edges of the separation pad (4).

5. A heat-resistant light-weight polyvinyl chloride sheath cord according to claim 1, characterized in that: the inner layer of the inner sleeve (31) is provided with a fireproof layer (311).

6. A heat-resistant light-weight polyvinyl chloride sheath cord according to claim 1, characterized in that: the springs (33) are evenly distributed between the inner sleeve (31) and the outer sleeve (32) at equal intervals.

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