CN211293387U

CN211293387U - 8-shaped self-supporting optical cable

Info

Publication number: CN211293387U
Application number: CN201922101909.7U
Authority: CN
Inventors: 贾文章; 刘军
Original assignee: Jiangsu Nanfang Tianhong Communication Sciences Ltd corp
Current assignee: Jiangsu Nanfang Tianhong Communication Sciences Ltd corp
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-18
Anticipated expiration: 2029-11-29

Abstract

The utility model belongs to the technical field of the optical cable technique, especially, be an "8" style of calligraphy self-supporting optical cable, including the oversheath, the oversheath comprises PE hanging wire sheath, PE optic fibre sheath and the suspender that connects both, the inside of PE hanging wire sheath is provided with steel strand wires, the inner wall cladding of PE optic fibre sheath has composite area, the inner wall cladding in composite area has the bolster. The utility model discloses an increase the design of bolster, when relying on compound area to keep PE fiber sheath integrality, rely on the bolster can play the buffering supporting role, the protruding conflict of arc is on the inner wall in compound area, when compound area received the extrusion, the protruding at first deformation buffering that takes place of arc, because the design in buffering hole, the protruding deformation that takes place of arc of being convenient for, thereby the cushioning effect has been played, the rubber layer can further play the buffering supporting role simultaneously, thereby the compressive strength of "8" style of calligraphy optical cable has been improved, can play the guard action to inside cable core.

Description

8-shaped self-supporting optical cable

Technical Field

The utility model relates to an optical cable technical field specifically is a "8" style of calligraphy self-supporting optical cable.

Background

At present, with the rapid development of networks, the construction of fiber to the home is developed more and more rapidly, so different types of optical cables need to be used, wherein the 8-shaped optical cable can be directly used for small-span self-supporting overhead due to the fact that the 8-shaped optical cable is provided with a hanging piece to strengthen the overall bearing capacity of the cable, and is convenient to introduce into cells and buildings, so that the fiber to the home optical cable is very convenient to lay.

The current 8-shaped optical cable mainly comprises a PE sheath, a suspension wire (steel strand), a steel (aluminum) composite belt, a water blocking layer and a cable core, wherein the PE sheath is aged mainly for avoiding ultraviolet irradiation, the suspension wire is used for enhancing the overall bearing capacity of the cable, the steel (aluminum) composite belt and the water blocking layer are used for protecting the cable core, but the current 8-shaped optical cable is transported and installed and is protected by singly depending on the steel (aluminum) composite belt to keep the integrity of the PE sheath, and the problem of poor pressure resistance exists, so that the service life of the 8-shaped optical cable is easily shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a "8" style of calligraphy self-supporting optical cable has solved the poor problem of compressive property of current 8 style of calligraphy optical cable.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a "8" style of calligraphy self-supporting optical cable, includes the oversheath, the oversheath comprises PE hanging wire sheath, PE optic fibre sheath and the suspender that connects both, the inside of PE hanging wire sheath is provided with the steel strand wires, the inner wall cladding of PE optic fibre sheath has compound area, the inner wall cladding in compound area has the bolster, the bolster includes the rubber layer, the outer wall on rubber layer encircles fixed mounting and has the arc arch, the arc arch contacts with the inner wall in compound area, the inside on rubber layer corresponds the bellied position of arc and has seted up the buffer hole, the inner wall cladding on rubber layer has the water blocking layer, the axle center department on water blocking layer is provided with the inner core, the inside of water blocking layer just is provided with packing rope and cable core around the inner core.

As an optimal technical scheme of the utility model, PE suspension wire sheath, PE optic fibre sheath and suspender are integrated into one piece structure.

As an optimal technical scheme of the utility model, the cable core includes the pine cream pipe, the inside of pine cream pipe is provided with optic fibre.

As an optimized technical scheme of the utility model, the inside packing of pine cream pipe has fine cream.

As an optimal technical scheme of the utility model, it has the oleamen to fill between the inner wall of compound area and rubber layer and the bellied outer wall of arc.

As an optimized technical scheme of the utility model, the inside packing of water-blocking layer has the cable cream.

(III) advantageous effects

Compared with the prior art, the utility model provides a "8" style of calligraphy self-supporting optical cable possesses following beneficial effect:

this "8" style of calligraphy self-supporting optical cable, design through increasing the bolster, when relying on compound area to keep PE optical fiber sheath integrality, rely on the bolster can play the buffering supporting role, the protruding conflict of arc is on the inner wall in compound area, when compound area receives the extrusion, the protruding buffering of deformation takes place at first of arc, because the design in buffering hole, the protruding deformation that takes place of arc of being convenient for, thereby the cushioning effect has been played, the rubber layer can further play the buffering supporting role simultaneously, thereby the compressive strength of "8" style of calligraphy optical cable has been improved, can play the guard action to the cable core of inside, the life of "8" style of calligraphy optical cable has been improved.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a front view of the structure of the present invention.

In the figure: 1. an outer sheath; 101. PE suspension wire sheath; 102. a PE optical fiber sheath; 103. a sling; 2. Steel strand wires; 3. a composite tape; 4. a buffer member; 401. a rubber layer; 402. an arc-shaped bulge; 403. a buffer hole; 5. a water resistant layer; 6. an inner core; 7. filling a rope; 8. a cable core; 9. an ointment; 10. cable paste.

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.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a "8" style of calligraphy self-supporting optical cable, including oversheath 1, oversheath 1 is by PE messenger sheath 101, PE optic fibre sheath 102 and with the suspender 103 constitution of both connecting, the inside of PE messenger sheath 101 is provided with steel strand wires 2, the inner wall cladding of PE optic fibre sheath 102 has compound area 3, the inner wall cladding of compound area 3 has bolster 4, bolster 4 includes rubber layer 401, the outer wall of rubber layer 401 encircles fixed mounting and has the protruding 402 of arc, the protruding 402 of arc contacts with the inner wall of compound area 3, the inside of rubber layer 401 corresponds the protruding 402 position of arc and has seted up buffer hole 403, the inner wall cladding of rubber layer 401 has water blocking layer 5, the axle center department of water blocking layer 5 is provided with inner core 6, water blocking layer 5's inside and around inner core 6 be provided with filling rope 7 and.

In the embodiment, the 8-shaped optical cable has the advantages of high tensile strength and high strength through the design of the steel strand 2; the PE suspension wire sheath 101 and the PE optical fiber sheath 102 play a role in external protection, and have the advantage of ultraviolet aging resistance; the composite belt 3 is mainly used for keeping the integrity of the PE optical fiber sheath 102, can play a role in protecting the cable core 8 in the waterproof layer 5, and can prevent rats, insects and ants from biting the utility model; when the composite belt 3 is extruded, the arc-shaped protrusion 402 firstly deforms and buffers, due to the design of the buffer hole 403, the arc-shaped protrusion 402 is convenient to deform, so that the buffer effect is achieved, meanwhile, the rubber layer 401 can further play a buffer supporting effect, so that the compressive strength of the 8-shaped optical cable is improved, the internal cable core 8 can be protected, and the service life of the 8-shaped optical cable is prolonged; the waterproof layer 5 is used for playing a waterproof role; the inner core 6 is designed to play a role in strengthening pressure resistance and supporting at the axis of the PE optical fiber sheath 102, so that the strength of the utility model can be improved; the filling rope 7 plays a role in blocking in order to avoid the cable core 8 from generating violent relative sliding in the water-blocking layer 5.

Specifically, the PE suspension wire sheath 101, the PE optical fiber sheath 102, and the suspension band 103 are integrally formed.

In this embodiment, can form "8" style of calligraphy structure, be favorable to aerial span to lay, integrated into one piece structure is not only convenient production, and the fastness of structure is excellent simultaneously.

Specifically, the cable core 8 includes a paste releasing pipe 801, and an optical fiber 802 is disposed inside the paste releasing pipe 801.

In this embodiment, the optical fiber 802 inside the ointment loosening pipe 801 can be protected, and the protection performance is further improved.

Specifically, the inside of the ointment loosening pipe 801 is filled with the ointment 803.

In this embodiment, the design of the fiber paste 803 can avoid the contact friction between the optical fiber 802 and the paste releasing tube 801, and also can avoid the contact friction between the optical fibers 802, which is beneficial to the stable transmission of signals.

Specifically, ointment 9 is filled between the inner wall of the composite belt 3 and the outer walls of the rubber layer 401 and the arc-shaped protrusion 402.

In this embodiment, oleamen 9 is owing to have the advantage of waterproof, dampproofing and buffering, through filling oleamen 9 in the clearance between the inner wall of compound area 3 and the outer wall of rubber layer 401 and arc arch 402, can further improve the utility model discloses a cushioning nature and crushing resistance.

Specifically, the water blocking layer 5 is filled with cable paste 10.

In this embodiment, wherein fill cable cream 10 and can further prevent that cable core 8 from taking place relative slip, have the effect of blocking water simultaneously, can improve the utility model discloses a waterproof nature.

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. The utility model provides an "8" style of calligraphy self-supporting optical cable, includes oversheath (1), its characterized in that: the outer sheath (1) consists of a PE suspension wire sheath (101), a PE optical fiber sheath (102) and a suspension band (103) connecting the PE suspension wire sheath and the PE optical fiber sheath, a steel strand (2) is arranged inside the PE suspension wire sheath (101), the inner wall of the PE optical fiber sheath (102) is wrapped with a composite belt (3), the inner wall of the composite belt (3) is coated with a buffer part (4), the buffer part (4) comprises a rubber layer (401), the outer wall of the rubber layer (401) is fixedly provided with an arc-shaped bulge (402) in a surrounding way, the arc-shaped bulge (402) is contacted with the inner wall of the composite belt (3), a buffer hole (403) is arranged in the rubber layer (401) corresponding to the arc-shaped bulge (402), the inner wall of the rubber layer (401) is coated with a water-resistant layer (5), an inner core (6) is arranged at the axis of the water-resistant layer (5), and a filling rope (7) and a cable core (8) are arranged in the water-resistant layer (5) and around the inner core (6).

2. The 8-shaped self-supporting optical cable according to claim 1, wherein: the PE suspension wire sheath (101), the PE optical fiber sheath (102) and the suspension belt (103) are of an integrally formed structure.

3. The 8-shaped self-supporting optical cable according to claim 1, wherein: the cable core (8) comprises a pine cream tube (801), and an optical fiber (802) is arranged inside the pine cream tube (801).

4. An 8-shaped self-supporting optical cable according to claim 3, wherein: the interior of the pine cream tube (801) is filled with fiber cream (803).

5. The 8-shaped self-supporting optical cable according to claim 1, wherein: factice (9) is filled between the inner wall of the composite belt (3) and the outer walls of the rubber layer (401) and the arc-shaped bulge (402).

6. The 8-shaped self-supporting optical cable according to claim 1, wherein: the water-resistant layer (5) is filled with cable paste (10).