CN215813476U

CN215813476U - Multi-core communication optical cable for indoor wiring

Info

Publication number: CN215813476U
Application number: CN202121843019.4U
Authority: CN
Inventors: 童汝佳; 杨承卫; 黄勇
Original assignee: Nanjing Tianyi Huitong Intelligent Technology Co ltd
Current assignee: Nanjing Tianyi Huitong Intelligent Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-02-11
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a multi-core communication optical cable for indoor wiring, which relates to the technical field of communication optical cables and comprises an elliptical outer sheath and a multi-core optical cable arranged inside the elliptical outer sheath, wherein a wrapping groove is formed in the elliptical outer sheath and is connected with the multi-core optical cable, the multi-core optical cable comprises an inner sheath and a cable core arranged inside the inner sheath, fixing rings are arranged on the inner sides of the wrapping grooves and wrap the surfaces of the multi-core optical cable, two groups of fixing rings are arranged, cross connecting rods are arranged between the fixing rings, when the optical cable is bent in the wiring process, the first connecting ring body and the second connecting ring body are pulled by the cross connecting rods and the reverse connecting rods, the cross structure is utilized to avoid over-hardness and bending failure, the pulling force on the core cable is reduced by the traction force after bending, the dislocation of two opposite core cables is avoided, and the fracture problem caused by the long-term deformation state of the core cable can be further prevented, and the torsion resistance of the core cable is improved by using the externally wound twisted wire.

Description

Multi-core communication optical cable for indoor wiring

Technical Field

The utility model relates to the technical field of communication optical cables, in particular to a multi-core communication optical cable for indoor wiring.

Background

The communication optical cable is composed of a core and an outer protective layer, which are composed of a plurality of optical fibers, compared with the traditional symmetrical copper loop and coaxial copper loop, the optical fibers have the advantages of much larger transmission capacity, less attenuation, long transmission distance, small volume, light weight, no electromagnetic interference and low cost, are the most promising communication transmission media at present, are widely used for signal transmission of various departments such as telecommunication, electric power, broadcasting and the like, and gradually become the main body of a future communication network.

The optical cable is at the indoor in-process of laying wire, and is complicated because of the wiring place, need buckle many times to the optical cable, easily leads to the inside many core cables of sheath to misplace each other, lasts and can cause the core cable to warp under the dislocation state, easily takes place the cracked condition of optical cable for a long time, and because of the antitorque nature of optical cable self is relatively poor, can aggravate this kind of condition.

In view of the above problems, a multi-core communication optical cable for indoor wiring is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-core communication optical cable for indoor wiring, which works by adopting the device, so that the problems that in the process of indoor wiring of the optical cable in the background, due to the complex wiring field, the optical cable needs to be bent for multiple times, multiple core cables in a sheath are easy to be mutually dislocated, the core cables deform under the continuous dislocated state, and the optical cable is easy to break for a long time are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a multi-core communication optical cable for indoor wiring comprises an oval outer sheath and a multi-core optical cable arranged inside the oval outer sheath, wherein a coating groove is formed inside the oval outer sheath and connected with the multi-core optical cable, and the multi-core optical cable comprises an inner sheath and a cable core arranged inside the inner sheath;

the inboard in package groove is provided with solid fixed ring, and solid fixed ring cladding is on the surface of multicore optical cable, and solid fixed ring is provided with two sets ofly, is provided with the cross-connect pole between the solid fixed ring.

Furthermore, the fixed ring comprises a first connecting ring body connected with the inner sleeve and a second connecting ring body arranged on one side of the first connecting ring body, a first connecting opening is formed in one side of the first connecting ring body, a second connecting opening is formed in one side of the second connecting ring body, and the first connecting opening corresponds to the second connecting opening.

Further, the cross connecting rod comprises a forward connecting rod connected with the first connecting opening and the second connecting opening and a reverse connecting rod arranged at the lower end of the forward connecting rod.

Furthermore, the outer surface of the cross connecting rod is provided with an outer winding twisted wire which is uniformly wound on the surface of the cross connecting rod.

Furthermore, the inner sleeve comprises a protective wrapper and filling blocks arranged inside the protective wrapper, and four groups of filling blocks are arranged.

Furthermore, a first accommodating groove is formed in the center of each filling block, a second accommodating groove is formed in the inner sides of the four groups of filling blocks, and the cable core is arranged in the first accommodating groove and the second accommodating groove.

Furthermore, the forward connecting rods and the reverse connecting rods are provided with three groups, and the forward connecting rods and the reverse connecting rods are distributed between the first connecting openings and the second connecting openings in a crossed manner.

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

1. the utility model provides a multi-core communication optical cable for indoor wiring, wherein a fixing ring comprises a first connecting ring body connected with an inner sheath and a second connecting ring body arranged on one side of the first connecting ring body, one side of the first connecting ring body is provided with a first connecting opening, one side of the second connecting ring body is provided with a second connecting opening, the first connecting opening corresponds to the second connecting opening, a cross connecting rod comprises a forward connecting rod connected with the first connecting opening and the second connecting opening and a reverse connecting rod arranged at the lower end of the forward connecting rod, a plurality of groups of fixing rings are uniformly distributed on the surface of the multi-core optical cable, when the optical cable is bent in the wiring process, the first connecting ring body and the second connecting ring body limit two core cables which are opposite, and the forward connecting rod and the reverse connecting rod which are distributed in a cross way draw the first connecting ring body and the second connecting ring body, utilize cross structure to avoid too hard can't buckling, alleviate the power of dragging to the core cable through traction force after buckling, avoid dislocation to appear in two relative core cables, and then can prevent the core cable fracture problem that leads to the fact under long-term deformation state, and utilize the antitorque nature of outer winding stranded conductor promotion core cable.

2. The utility model provides a multi-core communication optical cable for indoor wiring, wherein an inner jacket comprises a protective jacket and filling blocks arranged inside the protective jacket, four groups of filling blocks are arranged, a first accommodating groove is formed in the center of each filling block, a second accommodating groove is formed in the inner sides of the four groups of filling blocks, a cable core is arranged in the first accommodating groove and the second accommodating groove, the four groups of filling blocks are filled in the interval between the cable cores, the appearance roundness of the protective jacket is improved through the attaching connection of the filling blocks and the protective jacket, the whole core cable is supported, and the protective jacket is prevented from being sunken after being used for a long time.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an assembly structure of a multi-core optical cable and a fixing ring according to the present invention;

FIG. 3 is a schematic view of an assembly structure of a fixing ring and a cross-connecting rod according to the present invention;

FIG. 4 is a schematic diagram of the external structure of the cross-connecting rod of the present invention;

fig. 5 is a schematic view of the internal planar structure of the multi-core optical cable of the present invention.

In the figure: 1. an elliptical outer sheath; 2. wrapping a groove; 3. a multi-core optical cable; 31. an inner sheath; 311. a protective wrapper; 312. filling blocks; 313. a second accommodating groove; 314. a first accommodating groove; 32. a cable core; 4. a fixing ring; 41. a first connecting ring body; 42. a first connection opening; 43. a second connecting ring body; 44. a second connection opening; 5. cross connecting rods; 51. a forward connecting rod; 52. a reverse connecting rod; 53. and (5) externally winding the twisted wire.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, a multi-core communication optical cable for indoor wiring includes an elliptical outer sheath 1 and a multi-core optical cable 3 disposed inside the elliptical outer sheath 1, a covering groove 2 is disposed inside the elliptical outer sheath 1, the covering groove 2 is connected to the multi-core optical cable 3, the multi-core optical cable 3 includes an inner sheath 31 and a cable core 32 disposed inside the inner sheath 31, a fixing ring 4 is disposed inside the covering groove 2, the fixing ring 4 covers the surface of the multi-core optical cable 3, two groups of fixing rings 4 are disposed, and a cross connection rod 5 is disposed between the fixing rings 4.

Referring to fig. 3, the fixing ring 4 includes a first connecting ring body 41 connected to the inner jacket 31 and a second connecting ring body 43 disposed at one side of the first connecting ring body 41, a first connecting opening 42 is formed at one side of the first connecting ring body 41, a second connecting opening 44 is formed at one side of the second connecting ring body 43, the first connecting opening 42 corresponds to the second connecting opening 44, the cross-connect rod 5 includes a forward-connect rod 51 connected to the first connecting opening 42 and the second connecting opening 44 and a reverse-connect rod 52 disposed at a lower end of the forward-connect rod 51, a plurality of sets of fixing rings 4 are uniformly distributed on the surface of the multi-core optical cable 3, when the optical cable is bent during the wiring process, the first connecting ring body 41 and the second connecting ring body 43 limit the two core cables facing each other, and the cross-distributed forward-connect rod 51 and reverse-connect rod 52 pull the first connecting ring body 41 and the second connecting ring body 43, utilize cross structure to avoid too hard can't buckling, alleviate the power of dragging to the core cable through traction force after buckling, avoid dislocation to appear in two relative core cables, and then can prevent the core cable fracture problem that leads to the fact under long-term deformation state, and utilize the antitorque nature of outer twisted wire 53 promotion core cable, the surface of cross-connection pole 5 is provided with outer twisted wire 53, and outer twisted wire 53 evenly twines on the surface of cross-connection pole 5.

Referring to fig. 4 and 5, the inner sheath 31 includes a protective sheath 311 and filler blocks 312 disposed inside the protective sheath 311, the filler blocks 312 are provided with four groups, a first receiving groove 314 is formed in the center of the filler blocks 312, second receiving grooves 313 are formed inside the four groups of filler blocks 312, the cable core 32 is disposed in the first receiving groove 314 and the second receiving groove 313, the four groups of filler blocks 312 are filled in the space between the cable cores 32, the appearance roundness of the protective sheath 311 is improved by the bonding connection between the filler blocks 312 and the protective sheath 311, the core cable is integrally supported, the protective sheath 311 is prevented from being recessed after long-term use, the forward connecting rods 51 and the reverse connecting rods 52 are provided with three groups, and the forward connecting rods 51 and the reverse connecting rods 52 are distributed between the first connecting opening 42 and the second connecting opening 44 in a crossing manner.

The working principle is as follows: a plurality of groups of fixing rings 4 are uniformly distributed on the surface of the multi-core optical cable 3, when the optical cable is bent in the wiring process, the first and second

connection ring bodies

41 and 43 limit the two core cables facing each other, and the crossed forward connecting rod 51 and the reverse connecting rod 52 draw the first connecting ring body 41 and the second connecting ring body 43, the crossed structure is utilized to avoid the phenomenon that the connecting rings are too hard and cannot be bent, the pulling force on the core cables is reduced through the traction force after the connecting rings are bent, the dislocation of the two opposite core cables is avoided, thereby preventing the core cable from breaking due to a long-term deformation, and improving the torsion resistance of the core cable by using the outer winding stranded wire 53, the four groups of filling blocks 312 are filled in the spaces between the cable cores 32, the appearance roundness of the protective cover 311 is improved by the fitting connection of the filling block 312 and the protective cover 311, the whole core cable is supported, and the protective covering 311 is prevented from being sunken after long-term use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multicore communication optical cable for indoor wiring, includes oval outer sheath (1) and sets up multicore optical cable (3) inside outer sheath (1) of ellipse, its characterized in that: a wrapping groove (2) is formed in the oval outer wrapping sleeve (1), the wrapping groove (2) is connected with the multi-core optical cable (3), and the multi-core optical cable (3) comprises an inner wrapping sleeve (31) and a cable core (32) arranged in the inner wrapping sleeve (31);

the inboard of package groove (2) is provided with solid fixed ring (4), and solid fixed ring (4) cladding is on the surface of multicore optical cable (3), and solid fixed ring (4) is provided with two sets ofly, is provided with cross-connect pole (5) between solid fixed ring (4).

2. A multi-core optical communication cable for in-house cabling according to claim 1, wherein: the fixing ring (4) comprises a first connecting ring body (41) connected with the inner sheath (31) and a second connecting ring body (43) arranged on one side of the first connecting ring body (41), a first connecting opening (42) is formed in one side of the first connecting ring body (41), a second connecting opening (44) is formed in one side of the second connecting ring body (43), and the first connecting opening (42) corresponds to the second connecting opening (44).

3. A multi-core optical communication cable for in-house cabling according to claim 2, wherein: the cross connecting rod (5) comprises a forward connecting rod (51) connected with the first connecting opening (42) and the second connecting opening (44) and a reverse connecting rod (52) arranged at the lower end of the forward connecting rod (51).

4. A multi-core optical communication cable for in-house cabling according to claim 1, wherein: the outer surface of the cross connecting rod (5) is provided with an outer winding twisted wire (53), and the outer winding twisted wire (53) is uniformly wound on the surface of the cross connecting rod (5).

5. A multi-core optical communication cable for in-house cabling according to claim 1, wherein: the inner sheath (31) comprises a protective sheath (311) and filling blocks (312) arranged inside the protective sheath (311), and four groups of the filling blocks (312) are arranged.

6. A multi-core optical communication cable for in-house cabling according to claim 5, wherein: a first accommodating groove (314) is formed in the center of each filling block (312), a second accommodating groove (313) is formed in the inner sides of the four groups of filling blocks (312), and the cable core (32) is arranged in the first accommodating groove (314) and the second accommodating groove (313).

7. A multi-core optical communication cable for in-house cabling according to claim 3, wherein: the forward connecting rods (51) and the reverse connecting rods (52) are respectively provided with three groups, and the forward connecting rods (51) and the reverse connecting rods (52) are distributed between the first connecting openings (42) and the second connecting openings (44) in a crossed manner.