CN214845938U

CN214845938U - Optical fiber ribbon cable for indoor access

Info

Publication number: CN214845938U
Application number: CN202121082113.2U
Authority: CN
Inventors: 伊晨晨; 张天宇; 陈万明
Original assignee: Hangzhou Yasheng Information Technology Co ltd
Current assignee: Hangzhou Yasheng Information Technology Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-11-23
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses an optical fiber ribbon optical cable for indoor access relates to optical fiber ribbon optical cable technical field, including the PVC sheath, the outer wall of PVC sheath has cup jointed the lantern ring, and the outer wall of the lantern ring inlays and have the screw thread seat, the inboard threaded connection of screw thread seat has the screw thread post, and the top of screw thread post is connected with the fly leaf, the screw thread seat is including fixing base and sliding seat, and the top of sliding seat is connected with the slider, the spout has been seted up to the bottom of fixing base, and is sliding connection between spout and the slider, the outer wall middle part of sliding seat is connected with the stay cord. The utility model discloses in, settle this optical cable in indoor back when people, when the corner appears in the wiring process, then can remove the lantern ring for the lantern ring slides along the outer wall of PVC sheath, and drives the screw thread post and the fly leaf activity that its top is connected, and until the corner, fills up to leaning on in this department through the fly leaf, blocks that the PVC sheath is direct to contact with the corner, causes the big degree wearing and tearing, influences its later stage performance.

Description

Optical fiber ribbon cable for indoor access

Technical Field

The utility model relates to an optical fiber ribbon optical cable technical field especially relates to an optical fiber ribbon optical cable for indoor access.

Background

The main components of the optical fiber ribbon cable are as follows: optical fiber ribbon, PVC sheath, aramid fiber etc. optical fiber ribbon is as the important component in this type of optical cable, and the optical fiber core number of optical fiber ribbon generally has: 4-core, 6-core, 8-core, 12-core, and the optical fiber ribbon is mainly used as a pigtail cable for instruments or communication equipment.

When the existing optical fiber ribbon cable is used, the optical fiber ribbon cable cannot be subjected to quick protection operation at the corner of the middle part of the optical cable and quick fixing operation at the middle part of the optical cable after long-distance wiring, so that the optical cable is low in use performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current optic fibre area optical cable when using, it can not be in the middle part of optical cable and carry out the quick fixed operation in middle part after quick protection operation and the optical cable long distance wiring to the corner for the shortcoming that performance of optical cable is low, and the optic fibre area optical cable is used in the indoor access that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an optical fiber ribbon optical cable for indoor access, includes the PVC sheath, the lantern ring has been cup jointed to the outer wall of PVC sheath, and the outer wall of the lantern ring inlays and have a screw thread seat, the inboard threaded connection of screw thread seat has the screw thread post, and the top of screw thread post is connected with the fly leaf, the screw thread seat is including fixing base and sliding seat, and the top of sliding seat is connected with the slider, the spout has been seted up to the bottom of fixing base, and is sliding connection between spout and the slider, the outer wall middle part of sliding seat is connected with the stay cord, and installs the fixed block below the outer wall of sliding seat.

Preferably, aramid fiber reinforced fiber has been cup jointed to the inner wall of PVC sheath, and aramid fiber reinforced fiber's inner wall parcel has the sleeve pipe, sheathed tube inboard parcel has the filler, and the inside parcel of filler has the optic fibre area.

Preferably, be swing joint between fly leaf and the screw thread post, and the fly leaf is the arc form and distributes.

Preferably, the sleeve is a low-smoke halogen-free flame-retardant polyolefin sheath, and the symmetric center of the sleeve coincides with the symmetric center of the PVC sheath.

Preferably, the fixed seat forms a sliding structure with the movable seat through the sliding block, the sliding groove, and the fixed seat and the inner side of the movable seat are both in a threaded rotating structure.

Preferably, the fixed blocks are symmetrical about the central axis of the movable seat, and two groups of the fixed blocks are distributed.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, settle this optical cable in indoor back when people, when the corner appears in the wiring process, then can remove the lantern ring for the lantern ring slides along the outer wall of PVC sheath, and drives the screw thread post and the fly leaf activity that its top is connected, and until the corner, fills up to leaning on in this department through the fly leaf, blocks that the PVC sheath is direct to contact with the corner, causes the big degree wearing and tearing, influences its later stage performance.

2. The utility model discloses in, after people carried out long distance wiring operation to the optical cable, when needing to carry out fixed operation to its outer wall middle part, then the manual work removes the lantern ring, until the middle part of optical cable, and through rotatory screw thread post, make it and fixing base threaded connection, and plug to in the sliding seat, carry out threaded connection through screw thread post and sliding seat, and simultaneously, the sliding seat is in the active state, then can drive the stay cord of its outer wall and do the winding action, accomplish the work of tightening in the lantern ring of stay cord outer wall of wrapping up, the achievement is to the optical cable middle part and the lantern ring, the fixed work between the fly leaf.

3. In the utility model, the sleeve with the low-smoke halogen-free flame-retardant polyolefin sheath is arranged, so that the sleeve can resist ultraviolet rays, water and mildew, and resist environmental stress cracking; and no acid gas is released, the equipment in a machine room is not corroded, and the flame-retardant cable is suitable for indoor environments with high flame-retardant grade (such as wiring in a ceiling, open wiring and the like).

Drawings

FIG. 1 is a schematic view of the external structure of the PVC sheath according to the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the middle optical cable of the present invention;

fig. 3 is a schematic view of the structure of the middle screw seat of the present invention.

Illustration of the drawings:

1. a PVC sheath; 2. a collar; 3. a threaded seat; 4. a threaded post; 5. a movable plate; 6. pulling a rope; 7. aramid fiber reinforcement fibers; 8. a sleeve; 9. a filler; 10. an optical fiber ribbon; 11. a fixed seat; 12. a movable seat; 13. a chute; 14. a slider; 15. and (5) fixing blocks.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, an optical fiber ribbon cable for indoor access includes a PVC jacket 1, a collar 2, a threaded seat 3, a threaded post 4, a movable plate 5, a pulling rope 6, aramid fiber reinforced fibers 7, a sleeve 8, a filler 9, an optical fiber ribbon 10, a fixing seat 11, a movable seat 12, a sliding chute 13, a slider 14 and a fixing block 15, the collar 2 is sleeved on the outer wall of the PVC jacket 1, the threaded seat 3 is embedded on the outer wall of the collar 2, the threaded post 4 is connected to the inner side of the threaded seat 3 through a thread, the movable plate 5 is connected to the top of the threaded post 4, the movable plate 5 is movably connected to the threaded post 4, the movable plate 5 is distributed in an arc shape, the movable plate 5 is placed at a corner, so as to facilitate separation operation between the PVC jacket 1 and the corner, and when the movable plate 5 is placed at the middle part of a long-distance wired optical cable, connection work between the optical cable and an external wall or a building is facilitated through the movable plate 5, the screw seat 3 comprises a fixed seat 11 and a movable seat 12, the top of the movable seat 12 is connected with a slide block 14, the fixed seat 11 forms a sliding structure through the slide block 14, a sliding groove 13 and the movable seat 12, the inner sides of the fixed seat 11 and the movable seat 12 are both in a screw thread rotating structure, the slide block 14 slides along the inner side of the sliding groove 13, so that relative rotation operation is formed between the movable seat 12 and the fixed seat 11, the winding work of a pull rope 6 on the outer wall of the movable seat 12 and the tightening work of a lantern ring 2 are completed, the bottom end of the fixed seat 11 is provided with the sliding groove 13, the sliding connection is formed between the sliding groove 13 and the slide block 14, the middle part of the outer wall of the movable seat 12 is connected with the pull rope 6, a fixed block 15 is arranged below the outer wall of the movable seat 12, the fixed blocks 15 are symmetrical about the central axis of the movable seat 12, two groups of the fixed blocks 15 are distributed, and the pull rope 6 is convenient to be in winding operation through the arrangement of the fixed blocks 15, difficult and the sliding seat 12 between the phenomenon of droing appears, aramid fiber reinforcing fiber 7 has been cup jointed to PVC sheath 1's inner wall, and aramid fiber reinforcing fiber 7's inner wall parcel has sleeve pipe 8, sleeve pipe 8 is low smoke and zero halogen flame retardant polyolefin sheath, and sleeve pipe 8's symmetry center coincides mutually with PVC sheath 1's symmetry center, sleeve pipe 8 is difficult for appearing no acid gas release, do not corrode computer lab equipment, be fit for the indoor environment of high fire-retardant grade and use, sleeve pipe 8's inboard parcel has filler 9, and filler 9's inside parcel has optic fibre area 10, aramid fiber reinforcing fiber 7, high strength, the bending nature is good, do not contain the oleamen, easily be under construction and continue.

The working principle is as follows: when the cable is used, firstly, the optical cable is taken to the indoor for wiring operation through a worker, in the wiring process and when a corner appears, the lantern ring 2 can be moved, so that the lantern ring 2 slides along the outer wall of the PVC sheath 1 and drives the threaded column 4 connected with the top end of the optical cable to move with the movable plate 5 until the corner appears, the movable plate 5 is cushioned against the corner to form separation between the corner and the optical cable, when the optical cable is subjected to long-distance wiring operation and needs to be fixed in the middle of the optical cable, the lantern ring 2 is manually moved until the middle of the optical cable, the threaded column 4 is rotated to be in threaded connection with the fixed seat 11 and is inserted into the movable seat 12, the threaded column 4 is in threaded connection with the movable seat 12, meanwhile, the movable seat 12 is in a movable state, the pull rope 6 on the outer wall of the movable seat can be driven to perform winding action, and the tightening work of the lantern ring 2 wrapped on the outer wall of the pull rope 6 is completed, and the movable plate 5 is connected to the wall through a bolt, so that the fixing work among the middle part of the optical cable, the lantern ring 2 and the movable plate 5 is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an optical fiber ribbon cable for indoor access, includes PVC sheath (1), its characterized in that: the outer wall of PVC sheath (1) has cup jointed lantern ring (2), and the outer wall of the lantern ring (2) inlays and has screw thread seat (3), the inboard threaded connection of screw thread seat (3) has screw thread post (4), and the top of screw thread post (4) is connected with fly leaf (5), screw thread seat (3) are including fixing base (11) and sliding seat (12), and the top of sliding seat (12) is connected with slider (14), spout (13) have been seted up to the bottom of fixing base (11), and be sliding connection between spout (13) and slider (14), the outer wall middle part of sliding seat (12) is connected with stay cord (6), and installs fixed block (15) below the outer wall of sliding seat (12).

2. An optical fiber ribbon cable for indoor access according to claim 1, wherein: the inner wall of PVC sheath (1) has cup jointed aramid fiber reinforcing fiber (7), and the inner wall parcel of aramid fiber reinforcing fiber (7) has sleeve pipe (8), the inboard parcel of sleeve pipe (8) has filler (9), and the inside parcel of filler (9) has optic fibre area (10).

3. An optical fiber ribbon cable for indoor access according to claim 1, wherein: the movable plate (5) is movably connected with the threaded column (4), and the movable plate (5) is distributed in an arc shape.

4. An optical fiber ribbon cable for indoor access according to claim 2, wherein: the sleeve (8) is a low-smoke halogen-free flame-retardant polyolefin sheath, and the symmetric center of the sleeve (8) coincides with the symmetric center of the PVC sheath (1).

5. An optical fiber ribbon cable for indoor access according to claim 1, wherein: the fixed seat (11) forms a sliding structure with the movable seat (12) through the sliding block (14), the sliding groove (13), and the inner sides of the fixed seat (11) and the movable seat (12) are both in a threaded rotating structure.

6. An optical fiber ribbon cable for indoor access according to claim 1, wherein: the fixed blocks (15) are symmetrical about the central axis of the movable seat (12), and two groups of the fixed blocks (15) are distributed.