CN215181049U

CN215181049U - Protection type self-supporting prefabricated end circular leading-in optical cable

Info

Publication number: CN215181049U
Application number: CN202120562342.8U
Authority: CN
Inventors: 张云云; 张英; 刘杰
Original assignee: Hebei Henghui Communication Equipment Co Ltd
Current assignee: Hebei Henghui Communication Equipment Co Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-12-14
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a circular optical cable that introduces of protection type self-supporting prefabricated finished end, including circular optical cable and reel device, the internally mounted of circular optical cable has the reel device, circular optical cable includes sheath, reinforcing element, metal armor, tight set covering layer, coat and bare fiber, the outside of bare fiber is provided with the coat, the outside of coat is provided with tight set covering layer, the outside of tight set covering layer is provided with metal armor, the outside of metal armor is provided with reinforcing element, the outside of reinforcing element is provided with the restrictive coating, when carrying coiled optical cable, the workman can directly carry the optical cable by hand pull ring, thereby can improve optical cable transport speed, and one end lets the workman hold the optical cable not loose hand, and another workman holds the pull ring of both sides with both hands, then moves towards the position that one end was waited to install, thereby drive the reel main part and rotate outside the overcoat to improve the speed that the workman laid the optical cable.

Description

Protection type self-supporting prefabricated end circular leading-in optical cable

Technical Field

The utility model belongs to the technical field of signal remote transmission is relevant, concretely relates to protection type self-supporting prefabricates into the circular optical cable that introduces of end.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Namely: a cable formed by subjecting an optical fiber (optical transmission carrier) to a certain process.

The existing circular leading-in optical cable technology has the following problems: current circular introducing optical cable all is the outside of winding reel, and current reel central space is less, wholly is the cylinder shape just, needs the workman be difficult for grabbing during the transport to be unfavorable for workman's transport work, when the workman laid the optical cable, also need the round optical cable with on the reel to remove, thereby lead to workman's laying efficiency lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circular introducing optical cable of end is prefabricated to protection type self-supporting to current reel central space who proposes in solving above-mentioned background art is less, wholly is the cylinder shape just, needs the workman to be difficult for grabbing during the transport, thereby is unfavorable for workman's transport work, when the workman laid the optical cable, also needed the round the optical cable with on the reel to remove, thereby lead to laying workman's the lower problem of efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circular introducing optical cable of end is prefabricated to protection type self-supporting, includes circular optical cable and spool device, the internally mounted of circular optical cable has the spool device, circular optical cable includes sheath, reinforcing element, metal armor, tight cover coating layer, coat and bare fiber, the outside of bare fiber is provided with the coat, the outside of coat is provided with tight cover coating layer, the outside of tight cover coating layer is provided with metal armor, the outside of metal armor is provided with reinforcing element, reinforcing element's outside is provided with the restrictive coating, the spool device includes spool main part, overcoat layer, pull ring and endotheca, the inside of spool main part is provided with overcoat layer, the inside of overcoat layer is provided with the endotheca layer, the outside of overcoat layer and endotheca layer all is provided with the pull ring.

Preferably, the spool main body, the outer sleeve layer, the two pull rings and the inner sleeve layer are all made of polyvinyl chloride, and the whole outer tube of the spool main body is cylindrical.

Preferably, the bare fiber is made of a silica material, and the transmission principle of the bare fiber is total reflection of light.

Preferably, the inner part of the outer sleeve layer is provided with threads, the outer part of the inner sleeve layer is provided with threads, and the outer sleeve layer and the inner sleeve layer are fixedly connected through thread rotation.

Preferably, there is a gap between the outer wall of the jacket and the inner wall of the spool body, and the jacket is rotatable circumferentially within the spool body.

Preferably, circular grooves are formed in the upper end and the lower end of the winding reel main body, through holes are formed in the middle of the winding reel main body, the overall appearances of the outer sleeve layer and the inner sleeve layer are T-shaped, the sizes of the lower end of the inner sleeve layer and the upper end of the outer sleeve layer are smaller than those of the circular grooves, the sizes of the lower end of the inner sleeve layer and the upper end of the outer sleeve layer are larger than those of the through holes, and the sizes of the upper end of the inner sleeve layer and the lower end of the outer sleeve layer are smaller than those of the through holes.

Compared with the prior art, the utility model provides a protection type self-supporting prefabricates into the circular optical cable of introducing of end possesses following beneficial effect:

1. the utility model discloses the spool device that the circular introduction optical cable of end used has been prefabricated into to the protection type self-supporting has been changed, the spool device includes the spool main part, outer jacket, pull ring and inner jacket, install the lower extreme at outer jacket's upper end and inner jacket respectively earlier with the pull ring, then put into inside through-hole department from the upper end of spool main part with outer jacket, put into outer jacket inside from the lower extreme of spool main part with inner jacket again, carry out swivelling joint with outer jacket and inner jacket through the screw thread rotation, then twine circular optical cable in the outside of spool main part, when carrying the optical cable of lapping, the workman can directly carry the optical cable by hand pull ring, thereby can improve optical cable transport speed.

2. The utility model discloses having changed the protection type and having prefabricated into the spool device that the circular leading-in optical cable of end used, when the workman laid the optical cable, one end let the workman hold the optical cable and do not loose one's hand, the pull ring of both sides is held with both hands to another workman, then moves towards the position that the installation was treated to one end to drive the spool main part and rotate in the overcoat outside, thereby improve the speed that the workman laid the optical cable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of the overall structure of a protective self-supporting prefabricated end-forming circular drop cable provided by the present invention;

fig. 2 is a schematic view of the overall top cross-sectional structure of a protective self-supporting prefabricated terminating circular drop cable according to the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of a protective self-supporting prefabricated terminating circular drop cable according to the present invention;

fig. 4 is a schematic view of the overall three-dimensional structure of a protective self-supporting prefabricated end-forming circular drop cable provided by the present invention;

in the figure: 1. a round optical cable; 2. a spool means; 3. a sheath; 4. a reinforcing element; 5. a metal armor layer; 6. tightly sleeving the coating layer; 7. a coating layer; 8. a bare optical fiber; 9. a spool body; 10. an overcoat layer; 11. a pull ring; 12. an inner jacket layer.

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. 1-4, the present invention provides a technical solution: a protective self-supporting prefabricated end circular leading-in optical cable comprises a circular optical cable 1 and a winding shaft device 2, wherein the winding shaft device 2 is arranged inside the circular optical cable 1, the circular optical cable 1 comprises a sheath 3, a reinforcing element 4, a metal armor layer 5, a tight sleeve coating layer 6, a coating layer 7 and a bare optical fiber 8, the bare optical fiber 8 is made of silicon dioxide, the transmission principle of the bare optical fiber 8 is total reflection of light, the total reflection of the light can rapidly transmit a signal to the next station, meanwhile, the loss is small, the coating layer 7 is arranged outside the bare optical fiber 8, the tight sleeve coating layer 6 is arranged outside the coating layer 7, the metal armor layer 5 is arranged outside the tight sleeve coating layer 6, the reinforcing element 4 is arranged outside the metal armor layer 5, the sheath layer 3 is arranged outside the reinforcing element 4, the winding shaft device 2 comprises a winding shaft main body 9, an outer sleeve layer 10, a protective sleeve layer 10 and a protective sleeve layer, A pull ring 11 and an inner sleeve layer 12, a gap is arranged between the outer wall of the outer sleeve layer 10 and the inner wall of the spool main body 9, the outer sleeve layer 10 can rotate circumferentially in the spool main body 9, the optical cable wound outside the spool main body 9 can be rapidly wound out reversely through the circumferential rotation, the outer sleeve layer 10 is arranged in the spool main body 9, circular grooves are arranged at the upper end and the lower end of the spool main body 9, a through hole is arranged at the middle position of the spool main body 9, the integral appearance of the outer sleeve layer 10 and the inner sleeve layer 12 is T-shaped, the size of the lower end of the inner sleeve layer 12 and the size of the upper end of the outer sleeve layer 10 are smaller than that of the circular grooves, the size of the lower end of the inner sleeve layer 12 and the size of the upper end of the outer sleeve layer 10 are larger than that of the through hole, the size of the upper end of the inner sleeve layer 12 and the size of the lower end of the outer sleeve layer 10 are smaller than that of the through hole, thereby facilitating a worker to directly pull the coiled optical cable and facilitating installation and later disassembly, can reuse once more, the inside of outer jacket layer 10 is provided with the screw thread, the outside of interior jacket layer 12 is provided with the screw thread, outer jacket layer 10 and interior jacket layer 12 carry out fixed connection through the screw thread rotation, be convenient for the installation through screw thread swivelling joint, the maintenance in the later stage of also being convenient for, the inside of outer jacket layer 10 is provided with interior jacket layer 12, the outside of outer jacket layer 10 and interior jacket layer 12 all is provided with pull ring 11, spool main part 9, outer jacket layer 10, two pull rings 11 and interior jacket layer 12 are made by the polyvinyl chloride material, the whole outer tube of spool main part 9 is the cylinder shape, the spool main part 9 that the polyethylene material of gathering was made, outer jacket layer 10, two pull rings 11 and interior jacket layer 12 are light and handy, low price and stand wear and tear, can also recycle repeatedly, the quick optical cable of cylinder shape is convenient for twines.

The utility model discloses a theory of operation and use flow: after the utility model is installed, firstly, two pull rings 11 are respectively installed at the upper end of an outer sleeve layer 10 and the lower end of an inner sleeve layer 12, then the outer sleeve layer 10 is put into the inner part from a through hole at the upper end of a winding reel main body 9, then the inner sleeve layer 12 is put into the outer sleeve layer 10 from the lower end of the winding reel main body 9, the outer sleeve layer 10 and the inner sleeve layer 12 are fixedly connected in a thread rotating mode, finally, a round optical cable 1 is wound outside the winding reel main body 9, when a worker carries the coiled optical cable, the coiled optical cable can be lifted by holding the pull rings 11, when the worker uses the coiled optical cable to lay, one end of the optical cable is firstly pulled out, one worker holds one end of the optical cable immovable, the other worker holds two pull rings 11 to move to the other end to be installed, the winding reel main body 9 can rotate outside the outer sleeve layer 10, thereby quickly putting out the round optical cable 1 wound outside the winding reel main body 9, and then the worker connects the optical cable.

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 circular leading-in optical cable of protection type self-supporting prefabricated ready-end, includes circular optical cable (1) and reel device (2), its characterized in that: the optical cable comprises a round optical cable (1) and is characterized in that a winding reel device (2) is mounted inside the round optical cable (1), the round optical cable (1) comprises a sheath (3), a reinforcing element (4), a metal armor layer (5), a tight-sleeve coating layer (6), a coating layer (7) and a bare optical fiber (8), the coating layer (7) is arranged outside the bare optical fiber (8), the tight-sleeve coating layer (6) is arranged outside the coating layer (7), the metal armor layer (5) is arranged outside the tight-sleeve coating layer (6), the reinforcing element (4) is arranged outside the metal armor layer (5), the sheath (3) is arranged outside the reinforcing element (4), the winding reel device (2) comprises a winding reel main body (9), an outer sleeve layer (10), a pull ring (11) and an inner sleeve layer (12), the outer sleeve layer (10) is arranged inside the winding reel main body (9), an inner sleeve layer (12) is arranged inside the outer sleeve layer (10), and pull rings (11) are arranged outside the outer sleeve layer (10) and the inner sleeve layer (12).

2. The protected self-supporting pre-terminated round drop cable of claim 1, wherein: the winding shaft is characterized in that the winding shaft main body (9), the outer sleeve layer (10), the two pull rings (11) and the inner sleeve layer (12) are all made of polyvinyl chloride materials, and the whole outer pipe of the winding shaft main body (9) is in a cylindrical shape.

3. The protected self-supporting pre-terminated round drop cable of claim 1, wherein: the bare fiber (8) is made of silicon dioxide materials, and the transmission principle of the bare fiber (8) is total reflection of light.

4. The protected self-supporting pre-terminated round drop cable of claim 1, wherein: the inner portion of the outer sleeve layer (10) is provided with threads, the outer portion of the inner sleeve layer (12) is provided with threads, and the outer sleeve layer (10) and the inner sleeve layer (12) are fixedly connected through thread rotation.

5. The protected self-supporting pre-terminated round drop cable of claim 1, wherein: a gap is reserved between the outer wall of the outer sleeve layer (10) and the inner wall of the winding shaft main body (9), and the outer sleeve layer (10) can rotate circumferentially inside the winding shaft main body (9).

6. The protected self-supporting pre-terminated round drop cable of claim 1, wherein: the winding reel comprises a winding reel body (9), wherein circular grooves are formed in the upper end and the lower end of the winding reel body (9), through holes are formed in the middle of the winding reel body (9), the overall appearance of an outer sleeve layer (10) and an inner sleeve layer (12) is T-shaped, the size of the lower end of the inner sleeve layer (12) and the size of the upper end of the outer sleeve layer (10) are smaller than that of the circular grooves, the size of the lower end of the inner sleeve layer (12) and the size of the upper end of the outer sleeve layer (10) are larger than that of the through holes, and the size of the upper end of the inner sleeve layer (12) and the size of the lower end of the outer sleeve layer (10) are smaller than that of the through holes.