CN211350134U

CN211350134U - High-strength communication cable

Info

Publication number: CN211350134U
Application number: CN201922204338.XU
Authority: CN
Inventors: 袁青; 王庆玮
Original assignee: Anhui Rongyuan Electric Technology Co ltd
Current assignee: Anhui Rongyuan Electric Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-25
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a high strength communication cable, including communication cable, the butt flange cover, cable protection layer and electric wire inlayer, communication cable from interior to exterior has set gradually electric wire inlayer and cable protection layer, communication cable is provided with the butt flange cover to the interface end, butt flange cover butt joint department is provided with the first butt joint lantern ring and the second butt joint lantern ring, the first butt joint lantern ring all through screwing up bolt fixed connection with the last lower extreme of second butt joint lantern ring butt joint department, the butt flange cover outside is provided with lantern ring shell, lantern ring shell and the non-butt joint face fixed connection of the first butt joint lantern ring and the second butt joint lantern ring. This practicality is through setting up heat-resistant layer, insulating layer, waterproof layer at the cable protective layer, has promoted the factor of safety of electric wire inlayer greatly, and thereby the design of sclerosis shell effectively supports external pressure and has avoided the cable inner structure to take place the problem that deformation influences the communication function of cable, has prolonged the life of electric wire inlayer when safe handling.

Description

High-strength communication cable

Technical Field

The utility model relates to a communication cable field particularly, relates to a high strength communication cable.

Background

A cable is a cable that transmits telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. Is formed by twisting more than one pair of mutually insulated wires. Compared with an overhead open wire, the communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality, less influence of natural conditions and external interference and the like.

But in the very abominable place of environment, the inoxidizing coating can also be installed in the outside of communication cable sheath when necessary, the protective layer structure and the function of traditional cable are all very single, the protective effect who plays is also very limited, the outermost inoxidizing coating that does not set up hardness height of cable protects the cable simultaneously, buried time for a long time underground can lead to cable inner structure to take place deformation thereby influence the communication function of cable because of external pressure, simultaneously along with constantly replacing in season, the protective layer in the cable outside can take place slight deformation because of the temperature difference round the clock, and the deformation that traditional cable protective layer can't effectively absorb and take place because of temperature variation, the outside protective layer of cable will take place to tear further threaten the inside structure of cable in the long past.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength communication cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength communication cable comprises a communication cable, a butt flange sleeve, a cable protection layer and an electric wire inner layer, wherein the electric wire inner layer and the cable protection layer are sequentially arranged on the communication cable from inside to outside, the butt flange sleeve is arranged at a butt joint end of the communication cable, a first butt sleeve ring and a second butt sleeve ring are arranged at a butt joint position of the butt flange sleeve, the first butt sleeve ring and the second butt sleeve ring are fixedly connected through screwing bolts, a sleeve ring shell is arranged at the outer side of the butt flange sleeve, the sleeve ring shell is fixedly connected with a non-butt joint face of the first butt sleeve ring and a non-butt joint face of the second butt sleeve ring, an annular clamping groove is formed in one side, close to the inner ring, of the first butt sleeve ring, an annular sealing clamping tooth is arranged at a position, close to the annular clamping groove, of the inner portion of the sleeve ring shell is fixedly connected with a limiting position at a non-butt joint position of the first butt sleeve ring and the second butt The lantern ring, the communication cable outside is provided with the cable protective layer, the cable protective layer respectively the butt joint with the inside both ends of butt flange cover, the cable protective layer inserts the equal fixed connection telescopic sliding strip of the inside one end of butt flange cover.

Further, cable protection layer from inside to outside is equipped with heat-resistant layer, insulating layer, waterproof layer and sclerosis shell in proper order, the inside annular of electric wire inlayer is provided with four electric wire cores, the electric wire core outside all is provided with the softening protection layer.

Further, the heat-resistant layer is heat-resistant rubber with the thickness of 1 mm.

Further, the insulating layer is insulating rubber with the thickness of 1 mm.

Further, the waterproof layer is waterproof rubber with the thickness of 1 mm.

Further, the hardened outer shell is hard rubber with the thickness of 2 mm.

Furthermore, the annular clamping groove is matched with the annular sealing clamping tooth in size.

Furthermore, one end of the tightening bolt is fixedly connected with a screw cap.

Furthermore, a reinforcing core is arranged in the center of the inner layer of the electric wire.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model provides a pair of high strength communication cable has promoted the factor of safety of electric wire inlayer greatly through setting up heat-resistant layer, insulating layer, waterproof layer at the cable protective layer, thereby effectively supports the problem that the external pressure of external has avoided cable inner structure to take place deformation to influence the communication function of cable, has prolonged the life of electric wire inlayer when safe handling.

(2) The utility model provides a pair of high strength communication cable passes through the counterflange cover of design, has effectively solved the cable protection layer and has leaded to the torn problem of protective layer, the life of further promotion cable because of the shrink inflation that season or weather temperature's change appears.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a joint structure of a high-strength communication cable according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a high strength communication cable joint according to an embodiment of the present invention;

fig. 3 is a schematic internal cross-sectional view of a high strength communications cable according to an embodiment of the present invention.

Reference numerals:

1. a communication cable; 2. butting a flange sleeve; 3. a first docking collar; 4. screwing down the bolt; 5. a cable protective layer; 6. a second docking collar; 7. hardening the housing; 8. a waterproof layer; 9. an insulating layer; 10. a heat-resistant layer; 11. softening the protective layer; 12. a collar housing; 13. a telescopic slide bar; 14. an inner layer of electrical wire; 15. an annular neck; 16. an annular seal latch; 17. a limiting lantern ring; 18. screwing the cap; 19. reinforcing the core; 20. an electric wire core.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a high strength communication cable according to an embodiment of the present invention includes a communication cable 1, a docking flange sleeve 2, a cable protection layer 5 and a wire inner layer 14, the communication cable 1 is sequentially provided with the wire inner layer 14 and the cable protection layer 5 from inside to outside, the docking flange sleeve 2 is provided at a docking end of the communication cable 1, a first docking collar 3 and a second docking collar 6 are provided at a docking portion of the docking flange sleeve 2, upper and lower ends of a docking portion of the first docking collar 3 and the second docking collar 6 are fixedly connected by a tightening bolt 4, a distance between docking ports of the docking flange sleeve 2 can be adjusted by adjusting a tightening screw 4 according to local highest and lowest temperatures throughout the year, a collar housing 12 is provided at an outer side of the docking flange sleeve 2, the collar housing 12 is fixedly connected to non-docking surfaces of the first docking collar 3 and the second docking collar 6, one side that first butt joint lantern ring 3 is close to the inner ring is provided with ring groove 15, second butt joint lantern ring 6 is close to ring groove 15 department is provided with annular seal latch 16, lantern ring shell 12 is inside to be close to first butt joint lantern ring 3 with the equal fixedly connected with spacing lantern ring 17 of non-butt joint department of second butt joint lantern ring 6 avoids lantern ring shell 12 to break away from cable protection layer 5, the communication cable 1 outside is provided with cable protection layer 5, cable protection layer 5 dock respectively with the inside both ends of butt joint flange cover 2, cable protection layer 5 inserts the equal fixed connection telescopic slide 13 of the inside one end of butt joint flange cover 2.

Through the above technical scheme of the utility model, cable protection layer 5 from interior to exterior is equipped with heat-resistant layer 10, insulating layer 9, waterproof layer 8 and sclerosis shell 7 in proper order, the inside annular of electric wire inlayer is provided with four electric wire cores 20, the electric wire core 20 outside all is provided with softening protection layer 11, can protect internal electric wire inlayer 14, avoids internal electric wire inlayer 14 because of the wearing and tearing that the inside displacement caused in transportation and the installation.

Through the above technical scheme of the utility model, heat-resistant layer 10 avoids electric wire core 20 to receive high temperature influence for the heat-resistant rubber of thickness 1 millimeter.

Through the above technical scheme of the utility model, insulating layer 9 is the insulating rubber of thickness 1 millimeter, avoids inside current leakage.

Through the above technical scheme of the utility model, waterproof layer 8 is the waterproof rubber of thickness 1 millimeter, effectively completely cuts off external moisture to the influence of inside wire core 20.

Through the above technical scheme of the utility model, thereby harden shell 7 for the stereoplasm rubber of thickness 2 millimeters, effectively support external pressure and avoided external pressure to make cable inner structure take place the problem that deformation influences the communication function of cable.

Through the above technical scheme of the utility model, ring groove 15 with 16 size looks adaptations of annular seal latch.

Through the above technical scheme of the utility model, screw up 4 one ends fixedly connected with of bolt and revolve cap 18 for adjust and screw up bolt 4.

Through the above technical scheme of the utility model, 14 centers in electric wire inlayer are provided with reinforced core 19, the further intensity of buckling that promotes whole cable.

When the temperature-adjustable expansion joint is used specifically, when the inner layer 14 of the electric wire is installed, the cable protection layer 5 can stretch out and draw back and expand due to temperature change, the distance between the butt joint flange sleeve 2 and the joint port is adjusted by screwing the screw 4 according to the highest and lowest temperature adjustment in all seasons, when the cable protection layer 5 contracts due to temperature reduction, the telescopic sliding strip 13 slides towards the outer side of the butt joint flange sleeve 2 to appropriately relieve the tension of the cable protection layer 5 caused by contraction, when the temperature rises, the expansion of the cable protection layer 5 leads to the extension of the cable protection layer 5, and at the moment, the telescopic sliding strip 13 is gathered towards the center of the butt joint flange sleeve 2, and the extrusion force inside the cable protection layer 5 is appropriately reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-strength communication cable comprises a communication cable (1), a butt flange sleeve (2), a cable protective layer (5) and a cable inner layer (14), and is characterized in that the cable inner layer (14) and the cable protective layer (5) are sequentially arranged on the communication cable (1) from inside to outside, the butt flange sleeve (2) is arranged at the butt joint end of the communication cable (1), a first butt joint sleeve ring (3) and a second butt joint sleeve ring (6) are arranged at the butt joint position of the butt flange sleeve (2), the upper end and the lower end of the butt joint position of the first butt joint sleeve ring (3) and the second butt joint sleeve ring (6) are fixedly connected through screwing bolts (4), a sleeve ring shell (12) is arranged on the outer side of the butt flange sleeve (2), and the sleeve ring shell (12) is fixedly connected with the non-butt joint surface of the first butt joint sleeve ring (3) and the second butt joint sleeve ring (6), one side that first butt joint lantern ring (3) is close to the inner ring is provided with ring groove (15), second butt joint lantern ring (6) are close to ring groove (15) department is provided with annular seal latch (16), lantern ring shell (12) inside is close to first butt joint lantern ring (3) with the equal fixedly connected with spacing lantern ring (17) of non-butt joint department of second butt joint lantern ring (6), communication cable (1) outside is provided with cable protection layer (5), cable protection layer (5) dock respectively with the inside both ends of butt joint flange cover (2), cable protection layer (5) insert the equal fixed connection telescopic sliding strip (13) of one end inside of butt joint flange cover (2).

2. A high-strength communication cable according to claim 1, wherein the cable protection layer (5) is sequentially provided with a heat-resistant layer (10), an insulating layer (9), a waterproof layer (8) and a hardening shell (7) from inside to outside, four wire cores (20) are annularly arranged inside the wire protection layer, and a softening protection layer (11) is arranged outside each wire core (20).

3. A high strength communication cable according to claim 2, wherein said heat resistant layer (10) is a heat resistant rubber having a thickness of 1 mm.

4. A high strength telecommunication cable according to claim 2, characterized in that said insulating layer (9) is an insulating rubber with a thickness of 1 mm.

5. A high strength telecommunication cable according to claim 2, characterized in that said waterproof layer (8) is a waterproof rubber with a thickness of 1 mm.

6. A high strength telecommunication cable according to claim 2, characterized in that the hardened shell (7) is a hard rubber with a thickness of 2 mm.

7. A high strength communications cable according to claim 1, wherein the annular groove (15) is sized to fit the annular sealing jaw (16).

8. A high strength communication cable according to claim 1, wherein a screw cap (18) is fixedly attached to one end of the tightening bolt (4).

9. A high strength telecommunication cable according to claim 1, characterized in that the wire inner layer (14) is centrally provided with a reinforcing core (19).