CN214847821U - Tear-resistant silicone rubber unshielded cable - Google Patents

Abstract

The utility model relates to a tear silicon rubber unshielded cable that tears belongs to cable conductor technical field, and it includes stranded cable core and parcel layer, and including the parcel layer wrapped up stranded cable core, the outer parcel of parcel layer has the anti layer of pulling of tearing, is provided with the cavity between anti layer of pulling and the parcel layer of pulling, is provided with a plurality of groups of elastic component in the cavity. This application has the anti effect of tearing of improvement cable conductor.

Description

Tear-resistant silicone rubber unshielded cable

Technical Field

The application relates to the field of cables, in particular to a tear-resistant silicone rubber unshielded cable.

Background

At present, with the development of modern industry in China, cables are used in various aspects of national economy and people's life, people put forward higher requirements on the performance of high-temperature cables and high-temperature-resistant cable materials, and the cables and the cable materials with single high-temperature-resistant performance cannot meet the requirements of people on the cables, so the cables must be developed towards functionalization and diversification.

In view of the above related technologies, the inventor thinks that when a cable is used in a production workshop, a phenomenon of extrusion on the cable is inevitable due to a large number of large-scale production equipment, and the existing cable has a defect of poor extrusion resistance and easily causes tearing of the cable.

SUMMERY OF THE UTILITY MODEL

In order to improve the tear-resistant effect of a cable, the application provides a tear-resistant silicone rubber non-shielding cable.

The tear-resistant silicone rubber unshielded cable provided by the application adopts the following technical scheme:

the utility model provides a tear silicon rubber unshielded cable that tears, includes stranded cable core and parcel layer, including the parcel layer wraps up stranded cable core, the parcel has the anti layer of drawing of tearing outside the parcel layer, is provided with the cavity between anti layer of drawing and the parcel layer, is provided with a plurality of groups of elastic component in the cavity.

Through adopting above-mentioned technical scheme, the anti-tear layer has played good guard action to the cable core, makes this cable have good tensile and pulls the nature, when this cable receives external extrusion simultaneously, can make elastic component take place to deform, and plays the effect of absorbing certain external pressure, reduces the pressure that the cable core received to make this cable be difficult for taking place tearing phenomenon, improved the anti tear effect of this cable.

Optionally, elastic component includes spring and telescopic link, and the telescopic link is worn to establish in the spring, and the telescopic link includes interior pole and outer tube, and interior pole stretches out from the inside of outer tube, and interior pole deviates from the one end of outer tube and the inner wall fixed connection who tears the layer, and the outer tube deviates from the one end of interior pole and the outer wall fixed connection on parcel layer, the both ends of spring respectively with the outer wall fixed connection who tears the inner wall on layer and parcel layer.

Through adopting above-mentioned technical scheme, when this cable received pressure, the spring took place deformation and is in compression state to play good cushioning effect, protect the cable core, interior pole income plays the guide effect for the deformation of spring in to the outer tube simultaneously, and when pressure removed the back, the spring automatic recovery, and made interior pole from the interior suction of outer tube.

Optionally, the inner rod is fixedly provided with a limiting plate at one end inside the outer tube, and the size of the limiting plate is larger than the opening size of the outer tube.

Through adopting above-mentioned technical scheme, the limiting plate has played the constraint effect to the maximum length that the inner rod stretches out, avoids breaking away from completely between inner rod and the outer tube, has also played the restriction effect to the scope that the spring produced deformation simultaneously, avoids the spring deformation too big and takes place to damage.

Optionally, the center department of parcel layer is provided with central conductor, is provided with the partition panel between the adjacent cable core, and the opposite side and the central conductor fixed connection of partition panel and the inner wall fixed connection of parcel layer are separated to one side of partition panel.

Through adopting above-mentioned technical scheme, the cable is in the course of the work, can produce certain heat, has played the divided effect to the cable core through the partition panel, reduces the interact between the cable core, has improved the life of this cable.

Optionally, the storage chamber has been seted up to the inside of partition panel, and it has the coolant liquid to store the intracavity packing.

Through adopting above-mentioned technical scheme, the coolant liquid has played good cooling effect for the cable core, makes the difficult phenomenon that takes place the high temperature and damage of temperature of cable core in the use.

Optionally, a heat conductor is arranged between the two sides of the cable core and the partition plate.

Through adopting above-mentioned technical scheme, the heat conductor has improved the area of contact between baffle and the cable core, makes can be better carry out the heat exchange between partition panel and the cable core to the cooling effect of coolant liquid to the cable core has been improved.

Optionally, one side of the heat conductor is abutted against the side wall of the partition plate, the cross section of the other side of the heat conductor is semicircular, one opposite sides of the two heat conductors are mutually abutted, and the two heat conductors wrap the cable core.

Through adopting above-mentioned technical scheme, the heat conductor has further improved the area of contact between partition panel and the cable core to improve the cooling effect to the cable core, through the centre gripping of two heat conductors to the cable core, improved the stability of cable core simultaneously.

Optionally, the outer side of the tear-resistant layer is wrapped with a fire-resistant layer.

Through adopting above-mentioned technical scheme, play the effect of further protection to the cable core through resistant layer, if there is flame to produce, make this cable can play certain fire prevention effect when using, reduce the loss after the emergence accident takes place.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the elastic component is additionally arranged between the anti-tearing layer and the wrapping layer, so that when the cable is stressed, the pressure on the cable core is reduced through the deformation of the elastic component, and the tear resistance of the cable core is improved;

2. the partition plate is additionally arranged between the adjacent cable cores, and the partition plate is filled with cooling liquid, so that a good cooling effect is achieved on the cable cores when the cooling device is used;

3. and a heat conductor is additionally arranged between the cable core and the partition plate, so that the cooling effect of the cooling liquid on the cable core is further improved.

Drawings

FIG. 1 is a cross-sectional view of a tear-resistant silicone rubber unshielded cable according to an embodiment of the present application;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a cable core; 2. a wrapping layer; 3. a tear resistant layer; 4. a spring; 5. a telescopic rod; 51. an inner rod; 511. a limiting plate; 52. an outer tube; 6. a center conductor; 7. a partition panel; 71. a storage chamber; 8. a heat conductor; 9. a refractory layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a tear-resistant silicone rubber unshielded cable.

Referring to fig. 1, a tear-resistant silicone rubber unshielded cable is provided with a cable core 1, a wrapping layer 2, a tear-resistant layer 3 and a fire-resistant layer 9 in sequence from inside to outside, the number of the cable core 1 may be two or more, and in the embodiment of the present application, three cable cores 1 are taken as an example for description.

Including wrapping layer 2 wraps up three-strand cable core 1, and in the embodiment of this application, wrapping layer 2 is made by the PVC material.

The center department at triplex cable core 1 is provided with center conductor 6, and triplex cable core 1 is around setting up around center conductor 6, is provided with partition panel 7 between adjacent cable core 1, and the inner wall fixed connection of one side and the parcel layer 2 of partition panel 7, the opposite side of partition panel 7 and center conductor 6's lateral wall fixed connection. The partition plate 7 is provided with a storage chamber 71 therein, and the storage chamber 71 is filled with a coolant. All be provided with heat conductor 8 along cable core 1's length direction in every strand of 1 both sides of cable core, in this application embodiment, heat conductor 8 is made for heat conduction silica gel, and one side of heat conductor 8 and partition panel 7's lateral wall butt and paste fixedly, the cross-section semicircular in shape of the opposite side of heat conductor 8 and with the laminating of cable core 1's lateral wall, the mutual butt of one side that every strand of 1 both sides heat conductor 8 is relative and paste fixedly. Partition panel 7 plays the separation effect to adjacent cable core 1, reduce cable core 1 at the thermal interact of during operation, and play good cooling effect for cable core 1 through the coolant liquid, improved the effect of heat exchange between partition panel 7 and the cable core 1 through heat conductor 8, thereby further improved the cooling effect of coolant liquid to cable core 1, heat conductor 8 has still played the reinforcing effect for cable core 1 simultaneously, improved the stability of cable core 1.

Referring to fig. 1 and 2, in the present embodiment, the tear-resistant layer 3 is made of tear-resistant rubber. Be provided with the cavity between anti-tear layer 3 and parcel layer 2, use central wire 6 to encircle in the cavity to be provided with multiunit elastic component as the center, elastic component is provided with a plurality of groups along the evenly spaced of the length direction of this cable.

Elastic component includes spring 4 and telescopic link 5, and telescopic link 5 wears to establish in the inside of spring 4, and the both ends of spring 4 respectively with the outer wall of parcel layer 2 and the inner wall fixed connection of anti layer 3 that draws that tears. The telescopic rod 5 comprises an inner rod 51 and an outer tube 52, the inner rod 51 extends out of the outer tube 52, the inner rod 51 is connected with the outer tube 52 in a sliding mode, one end, deviating from the outer tube 52, of the inner rod 51 is fixedly connected with the inner wall of the tearing-resistant layer 3, and one end, deviating from the inner rod 51, of the outer tube 52 is fixedly connected with the outer wall of the wrapping layer 2. When receiving pressure in this cable use, can make spring 4 take place deformation, interior pole 51 takes in to the inside of outer tube 52 simultaneously, plays the cushioning effect through the deformation of spring 4, reduces the influence of ambient pressure to cable core 1, removes the pressure back, and interior pole 51 stretches out from the inside of outer tube 52, and spring 4 resumes deformation.

A limit plate 511 is fixedly arranged at one end of the inner rod 51 positioned in the outer tube 52, and the size of the limit plate 511 is larger than the opening size of the end part of the outer tube 52. The limiting plate 511 limits the maximum distance of the inner rod 51 extending out of the outer tube 52, so that the inner rod 51 and the outer tube 52 are not easy to completely separate, and the spring 4 is protected, so that the spring 4 is not easy to damage.

In the embodiment of the present application, the flame retardant layer 9 is made of vinyl fluoride, which has a good protection effect on the cable core 1, and improves the safety of the cable in use.

The implementation principle of the tear-resistant silicone rubber unshielded cable in the embodiment of the application is as follows: add partition panel 7 between stranded cable core 1 to reduce the interact of cable core 1 during operation, and be provided with parcel layer 2, anti tearing layer 3 and flame retardant coating 9 from interior to exterior in proper order in the outside of stranded cable core 1, and be provided with elastic component between parcel layer 2 and anti tearing layer 3. Through above structure, this cable core is when using, if receive external pressure, the deformation of accessible elastic component self plays the cushioning effect, and then protects cable core 1, makes this cable have good tear resistance.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A tear-resistant silicone rubber unshielded cable is characterized in that: including stranded cable core (1) and parcel layer (2), including parcel layer (2) wrapped up stranded cable core (1), parcel layer (2) outer parcel has anti tearing layer (3), is provided with the cavity between anti tearing layer (3) and parcel layer (2), is provided with a plurality of elastic component of group in the cavity.

2. The tear resistant silicone rubber unshielded cable of claim 1, wherein: elastic component includes spring (4) and telescopic link (5), wear to establish in spring (4) telescopic link (5), and telescopic link (5) are including interior pole (51) and outer tube (52), interior pole (51) are stretched out from the inside of outer tube (52), interior pole (51) deviate from the one end of outer tube (52) and the inner wall fixed connection of tearing layer (3) with anti tearing, outer tube (52) deviate from the one end of interior pole (51) and the outer wall fixed connection of parcel layer (2), the both ends of spring (4) respectively with anti tearing the inner wall of drawing layer (3) and the outer wall fixed connection of parcel layer (2).

3. The tear resistant silicone rubber unshielded cable of claim 2, wherein: and a limiting plate (511) is fixedly arranged at one end of the inner rod (51) positioned in the outer tube (52), and the size of the limiting plate (511) is larger than the opening size of the outer tube (52).

4. The tear resistant silicone rubber unshielded cable of claim 1, wherein: the cable core is characterized in that a central lead (6) is arranged at the center of the wrapping layer (2), a partition board (7) is arranged between every two adjacent cable cores (1), one side of the partition board (7) is fixedly connected with the inner wall of the wrapping layer (2), and the other side of the partition board (7) is fixedly connected with the central lead (6).

5. The tear resistant silicone rubber unshielded cable of claim 4, wherein: the storage cavity (71) is formed in the partition plate (7), and cooling liquid is filled in the storage cavity (71).

6. The tear resistant silicone rubber unshielded cable of claim 5, wherein: and a heat conductor (8) is arranged between the two sides of the cable core (1) and the partition plate (7).

7. The tear resistant silicone rubber unshielded cable of claim 6, wherein: one side of the heat conductor (8) is abutted against the side wall of the partition plate (7), the cross section of the other side of the heat conductor (8) is semicircular, one opposite sides of the two heat conductors (8) are mutually abutted, and the two heat conductors (8) wrap the cable core (1).

8. The tear resistant silicone rubber unshielded cable of claim 1, wherein: the outer side of the anti-tearing layer (3) is wrapped with a fire-resistant layer (9).

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