CN210167156U

CN210167156U - Waterproof pair-twisted digital special communication cable

Info

Publication number: CN210167156U
Application number: CN201921486927.5U
Authority: CN
Inventors: 李俊; 周祥云
Original assignee: Jiangsu Tongde Cable Electric Co Ltd
Current assignee: Jiangsu Tongde Cable Electric Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-03-20
Anticipated expiration: 2029-09-09

Abstract

The utility model belongs to the technical field of cables, and discloses a waterproof twisted-pair digital special communication cable, which comprises an outer sheath, wherein an inner sheath is arranged inside the outer sheath, the inner wall of the outer sheath is connected with an anti-interference layer, a first lead rope is arranged in the middle of the inner sheath, the outer wall of the first lead rope is wound with four twisted-pair coils, four twisted-pair coils are connected with a second water-resistant layer, a second lead rope is arranged in the middle of the inner part of the twisted-pair coils, the outer wall of the second lead rope is wound with three copper cores, the outer wall of the copper core is provided with an insulating sleeve, the outer wall of the inner sheath is connected with a first water-resistant layer, the utility model discloses a cable has excellent waterproof capability through the layer-layer action of the first water-resistant layer, the second water-resistant layer and the waterproof filling layer, and simultaneously, the anti-interference shielding effect of the cable is enhanced through the, thereby improving the transmission efficiency of information.

Description

Waterproof pair-twisted digital special communication cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to digital special communication cable of waterproof pair twist.

Background

The cable is generally a cable similar to a rope formed by twisting a plurality of or a plurality of groups of wires, each group of wires are insulated from each other, and the application of the cable can be divided into a power cable, a communication cable, a control cable and the like.

But there are more defects in the in-process of using of digital special type communication cable on the existing market, for example, because the waterproof performance of cable is relatively poor in the in-process of using, often need change because of being affected by damp damage often, not only influence people's normal use, still greatly increased economic cost, the shielding effect of cable is poor simultaneously, lead to information transmission inefficiency, in addition, because the influence of factors such as external environment causes the extrusion easily to the cable, and the degree of flexibility of cable itself is not enough resistance to compression shock attenuation, make the cable take place to warp the damage for a long time easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof pair twist digital special type communication cable to the waterproof performance of the cable that proposes in solving above-mentioned background art is relatively poor, and shields the effect poor, and the problem that the resistance to compression shock-absorbing capacity of cable is weak.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waterproof digital special type communication cable of hank, includes outer sheath, the internally mounted of outer sheath has the inlayer sheath, and the inner wall connection of outer sheath has anti-interference layer, install first cotton rope in the middle of the inside of inlayer sheath, the outer wall winding of first cotton rope has four pair twist coils, four pair twist coil's outer wall all is connected with the second water blocking layer, and installs the second cotton rope in the middle of pair twist coil's inside, the outer wall winding of second cotton rope has three copper core, insulating cover is installed to the outer wall of copper core, the outer wall connection of inlayer sheath has first water blocking layer, and the inside of inlayer sheath and be located the outside position department of pair twist coil and install waterproof filling layer.

Preferably, the fixed block is installed to the inner wall on anti-interference layer, the bottom of fixed block is connected with solid fixed cylinder, the one end that the fixed block was kept away from to solid fixed cylinder is connected with first water resisting layer, the slider is installed to the inside one end that the fixed block extended to solid fixed cylinder, the one end that the fixed block was kept away from to the slider is fixed with the spring, the one end that the slider was kept away from to the spring is connected with the inner wall of solid fixed cylinder.

Preferably, the elastic pieces are connected between the first waterproof layer and the anti-interference layer and are distributed with the fixed cylinder alternately.

Preferably, the outer wall of the sliding block is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with an anti-slip groove.

Preferably, the outer sheath and the inner sheath are both cylindrical structures, and the vertical section diameter of the outer sheath is larger than that of the inner sheath.

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

(1) the utility model discloses a first water blocking layer, second water blocking layer and waterproof filling layer's layer upon layer effect make the cable have outstanding waterproof ability, the shielding anti-interference effect through anti-interference layer reinforced cable simultaneously to the transmission efficiency of information has been improved.

(2) The utility model discloses an interact between outer sheath and the inlayer sheath makes the fixed block drive the slider and moves down in a solid fixed cylinder, and then the spring receives the extrusion shrink, can cushion the shock attenuation under the effect of spring to reduce the oppression dynamics, prevent that the cable from taking place to warp the damage.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

in the figure: 1-a spring plate; 2-outer sheath; 3-an anti-interference layer; 4-a first water resistant layer; 5-inner layer sheath; 6-waterproof filling layer; 7-twisted pair coils; 8-a second water-resistant layer; 9-a first cord; 10-fixing blocks; 11-a rubber sleeve; 12-a fixed cylinder; 13-a spring; 14-a slide block; 15-a second cord; 16-a copper core; 17-insulating sleeve.

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 the following technical solutions: a waterproof twisted-pair digital special communication cable comprises an outer layer sheath 2, an inner layer sheath 5 is arranged inside the outer layer sheath 2, the inner wall of the outer layer sheath 2 is connected with an anti-interference layer 3, the anti-interference layer 3 is formed by weaving tinned copper wires and can enhance the shielding anti-interference effect of the cable, so that the information transmission efficiency is improved, a first lead rope 9 is arranged in the middle of the inner layer sheath 5, four twisted-pair coils 7 are wound on the outer wall of the first lead rope 9, second water blocking layers 8 are connected on the outer walls of the four twisted-pair coils 7, a second lead rope 15 is arranged in the middle of the inner part of the twisted-pair coil 7, three copper cores 16 are wound on the outer wall of the second lead rope 15, an insulating sleeve 17 is arranged on the outer wall of the copper cores 16, a first water blocking layer 4 is connected on the outer wall of the inner layer sheath 5, and a waterproof filling layer 6 is arranged inside the inner layer sheath 5 and at, first water blocking layer 4 and second water blocking layer 8 all adopt the vinyl chloride resin material, can effectually keep apart moisture, and waterproof packing layer 6's inside is filled simultaneously has the cable cream that blocks water, and the high low temperature performance of the cable cream that blocks water is good, and the water blocking nature is strong superstrong, can effectually prevent inside water or other fluids get into the cable, makes the cable have outstanding waterproof ability under the effect layer upon layer of first water blocking layer 4, second water blocking layer 8 and waterproof packing layer 6.

Further, fixed block 10 is installed to the inner wall of anti-interference layer 3, the bottom of fixed block 10 is connected with solid fixed cylinder 12, the one end that solid fixed cylinder 12 kept away from fixed block 10 is connected with first water resisting layer 4, slider 14 is installed to the inside one end that solid fixed cylinder 12 was extended to fixed block 10, the one end that solid fixed block 10 was kept away from to slider 14 is fixed with spring 13, spring 13 keeps away from the one end of slider 14 and is connected with the inner wall of solid fixed cylinder 12, when the cable received external oppression, through interact between outer sheath 2 and the inlayer sheath 5, make fixed block 10 drive slider 14 move down in solid fixed cylinder 12, then spring 13 receives the extrusion shrink, can cushion the shock attenuation under spring 13's effect, thereby reduce the oppression dynamics, prevent that the cable from taking place.

Further, be connected with shell fragment 1 between first water-blocking layer 4 and the anti-interference layer 3, shell fragment 1 further plays the effect of supporting the buffering to reinforcing cable inner structure's stability, and shell fragment 1 and the alternate distribution of solid fixed cylinder 12.

Specifically, the outer wall of the slider 14 is provided with a rubber sleeve 11, the rubber sleeve 11 plays a role of skid resistance, and the outer wall of the rubber sleeve 11 is provided with a skid-proof groove.

Specifically, outer sheath 2 all is cylindrical structure with inlayer sheath 5, and outer sheath 2 all adopts the polyvinyl chloride material with inlayer sheath 5 to play insulating effect, and the perpendicular cross-sectional diameter of outer sheath 2 is greater than the perpendicular cross-sectional diameter of inlayer sheath 5.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the communication cable is laid in a corresponding circuit, in the using process of the communication cable, the outer sheath 2 outside the communication cable and the inner sheath 5 inside the communication cable can play a role in protecting the inner copper core 16, the cable has good insulating effect under the double-layer protection of the outer sheath 2 and the inner sheath 5, and simultaneously, the cable is high temperature resistant and flame resistant, and is woven by tinned copper wires through the anti-interference layer 3, so that the shielding anti-interference effect of the cable can be enhanced, the transmission efficiency of information is improved, the first water-blocking layer 4 and the second water-blocking layer 8 of the cable are both made of vinyl chloride resin materials, so that moisture can be effectively isolated, meanwhile, the water-blocking cable paste is filled in the waterproof filling layer 6, the high-low temperature performance of the water-blocking cable paste is excellent, the water-blocking performance is strong, water-blocking performance can effectively prevent water or, at first water-blocking layer 4, second water-blocking layer 8 makes the cable have outstanding waterproof ability under the layer upon layer effect with

waterproof filling layer

6, 16 intertwines pair-twisting through a plurality of copper cores of 15 outer walls of second acting as go-between form pair twist coil 7, then form the coil assembly at the outer wall of first acting as go-between 9 through a plurality of pair twist coil 7 intertwines pair twist, thereby realize the transmission high speed, the requirement of large capacity data, when the cable receives external oppression, through interact between outer sheath 2 and inlayer sheath 5, make fixed block 10 drive slider 14 move down in fixed cylinder 12, then spring 13 receives the extrusion shrink, can cushion the shock attenuation under spring 13's effect, thereby reduce the oppression dynamics, prevent that the cable from taking place to warp the damage.

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 digital special type communication cable of waterproof pair twist which characterized in that: comprises an outer layer sheath (2), an inner layer sheath (5) is arranged in the outer layer sheath (2), the inner wall of the outer layer sheath (2) is connected with an anti-interference layer (3), a first lead rope (9) is arranged in the middle of the inner layer sheath (5), four twisted-pair coils (7) are wound on the outer wall of the first lead rope (9), the outer walls of the four twisted-pair coils (7) are connected with second water-resistant layers (8), and a second lead wire rope (15) is arranged in the middle of the inner part of the twisted pair coil (7), three copper cores (16) are wound on the outer wall of the second lead wire rope (15), an insulating sleeve (17) is installed on the outer wall of each copper core (16), the outer wall of the inner layer sheath (5) is connected with a first water-resistant layer (4), and a waterproof filling layer (6) is arranged in the inner layer sheath (5) and at the position outside the twisted-pair coil (7).

2. The waterproof twisted-pair digital special communications cable of claim 1, wherein: fixed block (10) are installed to the inner wall on anti-interference layer (3), the bottom of fixed block (10) is connected with solid fixed cylinder (12), the one end that solid fixed cylinder (10) were kept away from in solid fixed cylinder (12) is connected with first water blocking layer (4), slider (14) are installed to the one end that solid fixed cylinder (12) inside is extended to in solid fixed cylinder (10), the one end that solid fixed block (10) were kept away from in slider (14) is fixed with spring (13), the one end that slider (14) were kept away from in spring (13) is connected with the inner wall of solid fixed cylinder (12).

3. The waterproof twisted-pair digital special communications cable of claim 1, wherein: the elastic pieces (1) are connected between the first waterproof layer (4) and the anti-interference layer (3), and the elastic pieces (1) and the fixed cylinder (12) are distributed alternately.

4. The waterproof twisted-pair digital special communications cable of claim 2, wherein: the outer wall of the sliding block (14) is provided with a rubber sleeve (11), and the outer wall of the rubber sleeve (11) is provided with an anti-skidding groove.

5. The waterproof twisted-pair digital special communications cable of claim 1, wherein: the outer layer sheath (2) and the inner layer sheath (5) are both cylindrical structures, and the vertical section diameter of the outer layer sheath (2) is larger than that of the inner layer sheath (5).