CN210243922U

CN210243922U - Transition fiber core device suitable for optical cables with different outer diameters

Info

Publication number: CN210243922U
Application number: CN201921622350.6U
Authority: CN
Inventors: Shumei Wu; 吴淑妹; Zhiping Cai; 蔡志平; Yiqiang Xie; 谢义强
Original assignee: Fujian Zhongtong Haichuang Communication Technology Co Ltd
Current assignee: Fujian Zhongtong Haichuang Communication Technology Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-04-03
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to a be suitable for transition fibre core device of optical cable of different external diameters, including box body and the cross core portion of setting in the box body, relative both ends on the length direction all are provided with the ring cover on the box body, the ring cover includes fixation clamp and activity clamp, the one end of fixation clamp is articulated mutually with the one end of activity clamp, the one end that articulated department was kept away from to the fixation clamp is provided with locking Assembly, be provided with a plurality of adjusting part on the inner wall of ring cover, adjusting part is including connecting rod, arc fixture block and the sleeve pipe of setting on the inner wall of ring cover, the connecting rod is located to the sleeve pipe cover, and connecting rod and sleeve pipe sliding connection, sheathed tube one end and arc fixture block fixed connection are kept away from to the connecting rod, and are a plurality of arc fixture block evenly distributed, and form a circular. The utility model discloses have and adopt the annular cover with adjustable size to replace the fixed part, can fix the effect of the optical cable of different external diameters.

Description

Transition fiber core device suitable for optical cables with different outer diameters

Technical Field

The utility model belongs to the technical field of the technique of communication line engineering and specifically relates to a be suitable for transition fibre core device of optical cable of different external diameters.

Background

At present, optical cables are communication lines in which a certain number of optical fibers form fiber cores in a certain mode, and some optical fibers are wrapped with sheaths or outer sheaths to realize optical signal transmission. In communication line maintenance and rush repair engineering, some long-distance optical cables are long in age, and optical cable construction of the same manufacturer cannot be found, so that optical cables of different manufacturers are often butted. At this time, the optical fibers with different mode field diameters are directly welded, so that the welding loss is easily overlarge, and corresponding measures are needed to reduce the welding loss.

The existing Chinese patent with publication number CN207037151U discloses a transition fiber core device, which comprises a box body, wherein a fixing part and a transition core part are arranged in the box body, the fixing part comprises a wire guide hole positioned at the edge of the box body and a fixing seat for clamping optical fibers, the transition core part comprises transition fiber cores with different die field diameters at two ends, a limiting seat for fixing the transition fiber cores and two fusion welding units for butting the ends of the optical fibers, and the two fusion welding units are respectively positioned at two ends of the limiting seat.

The above prior art solutions have the following drawbacks: the fixed part is used for blocking the optical cable, and the external diameter of the optical cable of different models is not of uniform size, and the fixed part size is not adjustable limitation, can't be applicable to the optical cable of different external diameters.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be suitable for transition fibre core device of optical cable of different external diameters has the annular cover that adopts adjustable size to replace the fixed part, can fix the effect of the optical cable of different external diameters.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a transition fiber core device suitable for optical cables with different outer diameters comprises a box body and a transition core part arranged in the box body, wherein two opposite ends in the length direction of the box body are respectively provided with an annular sleeve, each annular sleeve comprises a fixed clamp and a movable clamp, one side, close to the end face of the box body, of each fixed clamp is fixedly connected with the end face of the box body, one end of each fixed clamp is hinged with one end of each movable clamp, one end, far away from the hinged part, of each fixed clamp is provided with a locking assembly, the fixed clamps and the movable clamps are locked through the locking assemblies, the inner wall of each annular sleeve is provided with a plurality of adjusting assemblies, each adjusting assembly comprises a connecting rod, an arc-shaped clamping block and a sleeve arranged on the inner wall of the annular sleeve, each sleeve is sleeved on the connecting rod and is in sliding connection with each sleeve, one end, far away from each sleeve, of the connecting rod, and together form a circular space.

Through adopting above-mentioned technical scheme, in the annular cover was put into to the optical cable, used locking Assembly to press from both sides with the activity and lock the fixation clamp, arc fixture block played main supporting role to the optical cable this moment, because connecting rod and sleeve pipe sliding connection, can stretch out and draw back the regulation according to the optical cable of different external diameters to make the optical cable of different external diameters all suitable put into the annular cover.

The utility model discloses further set up to: the adjusting component further comprises an elastic part and a limiting block which are arranged in the sleeve, one end of the connecting rod, far away from the arc-shaped clamping block, is fixedly connected with the limiting block, one side of the limiting block, far away from the connecting rod, is fixedly connected with one end of the elastic part, and one end of the elastic part, far away from the limiting block, is fixedly connected with the bottom wall of the sleeve.

Through adopting above-mentioned technical scheme, the connecting rod that contracts into the sleeve pipe has a compressed effect to the elastic component for the elastic component has an outside tension, makes the arc fixture block more obvious to the tight effect of supporting of optical cable.

The utility model discloses further set up to: one side of the arc-shaped clamping block, which is far away from the connecting rod, is provided with a rubber pad.

Through adopting above-mentioned technical scheme, the arc fixture block is provided with the cushion with the part of optical cable contact, plays certain guard action to the outer peripheral face of optical cable.

The utility model discloses further set up to: the one end that articulated department was kept away from with the activity clamp to the fixation clamp all is equipped with the open slot that supplies locking Assembly to buckle into, locking Assembly includes screw rod and nut, the one end of screw rod is articulated mutually with the open slot of fixation clamp, the nut sets up in the one end that the fixation clamp was kept away from to the screw rod.

Through adopting above-mentioned technical scheme, the one end of screw rod is articulated mutually with the opening groove of fixation clamp, and the nut also sets up on the screw rod for screw rod and nut are difficult for losing.

The utility model discloses further set up to: the transition core part comprises transition fiber cores with different mode field diameters at two ends, a fixing seat for fixing the transition fiber cores and two welding units for butting the ends of the optical fibers, wherein the two welding units are respectively positioned at two ends of the fixing seat.

By adopting the technical scheme, the corresponding transition fiber core is selected according to the mode field diameter of the optical fiber to be spliced, the transition fiber core is clamped into the fixed seat, and at the moment, the two ends of the transition fiber core are respectively clamped into the welding unit. The optical cable is fixed on the annular sleeve, and the optical fiber end to be spliced in the optical cable is cleaned and then is placed in the fusion splicing unit, is attached to the corresponding transition fiber core end, and is fused with the transition fiber core and the end of the optical fiber to be spliced by means of equipment such as a fusion splicer, and the diameters of different mode fields of new and old optical fibers are transited by means of the filtering fiber core, so that the direct fusion splicing of the new and old optical fibers is avoided, and the fusion splicing loss is large.

The utility model discloses further set up to: the fixing base is provided with a fixing groove for attaching and embedding the transition fiber core, one side of the fixing base is hinged with a fixing cover for pressing the transition fiber core, the edge of the fixing cover is provided with a buckle for clamping the fixing cover, and the fixing base is provided with a clamping groove matched with the buckle.

Through adopting above-mentioned technical scheme, behind the fixed slot with transition fibre core card income, detain fixed lid on the fixing base again, make the buckle by the draw-in groove chucking, transition fibre core this moment just can be fixed on the fixing base that makes transition fibre core more firm by fixed lid and fixed slot chucking.

The utility model discloses further set up to: and a fixing pad is arranged in the fixing groove.

Through adopting above-mentioned technical scheme, the setting of fixed bolster has played certain guard action to the transition fibre core of placing in the fixed slot.

The utility model discloses further set up to: the box body is hinged with a welding disc, and a chuck used for being matched with the welding unit is arranged on the welding disc.

Through adopting above-mentioned technical scheme, the chuck card is on the butt fusion unit for be located the optical fiber that waits to continue on the butt fusion unit and with the inseparabler of the terminal laminating of its corresponding transition fibre core, the butt fusion of being convenient for.

To sum up, the utility model discloses a beneficial technological effect does:

1. for the optical cable placed in the annular sleeve, the arc-shaped clamping blocks play a main supporting role for the optical cable, and the connecting rods and the sleeve can perform telescopic adjustment on the optical cables with different outer diameters, so that the annular sleeve is suitable for the optical cables with different outer diameters;

2. the elastic piece is arranged, so that the abutting effect of the arc-shaped clamping block on the optical cable is more obvious;

3. the chuck is clamped on the welding unit, so that the optical fiber to be spliced on the welding unit is more tightly attached to the tail end of the transition fiber core corresponding to the optical fiber to be spliced.

Drawings

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

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure, 1, a box body; 11. a box cover; 12. a fusion splice tray; 121. a chuck; 2. an annular sleeve; 21. a fixing clip; 22. a movable clamp; 23. an open slot; 3. a core plating section; 31. a transition fiber core; 32. a fixed seat; 321. fixing grooves; 322. a fixed cover; 323. buckling; 324. a card slot; 33. a welding unit; 4. an adjustment assembly; 41. a connecting rod; 42. an arc-shaped fixture block; 43. a sleeve; 44. an elastic member; 45. a limiting block; 5. a locking assembly; 51. a screw; 52. and a nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses a be suitable for transition fibre core device of optical cable of different external diameters, including box body 1, annular sheath 2 and the core portion 3 of crossing of setting in box body 1, 1 one side of box body articulates has the lid 11 that is used for sealing the box body, and annular sheath 2 is located 1 length direction of box body relative both ends, crosses core portion 3 and is located between two annular sheaths 2. A plurality of adjusting components 4 are arranged on the inner wall of the annular sleeve 2, and the plurality of adjusting components 4 are uniformly distributed on the inner wall of the annular sleeve 2 along the circumferential direction; the annular sleeve 2 is provided with a locking assembly 5 for locking the annular sleeve 2.

As shown in fig. 1 and 2, the annular sleeve 2 includes a fixed clamp 21 and a movable clamp 22, both the fixed clamp 21 and the movable clamp 22 are arc-shaped, the movable clamp 22 is located above the fixed clamp 21, and one side of the fixed clamp 21 close to the end face of the box body 1 is welded and fixed with the end face of the box body 1. One end of the fixed clamp 21 is hinged to one end of the movable clamp 22, open grooves 23 are formed in the ends, far away from the hinged position, of the fixed clamp 21 and the movable clamp 22, and the locking assembly 5 is located on the open grooves 23 of the fixed clamp 21. The locking assembly 5 comprises a screw rod 51 and a nut 52 arranged on the screw rod 51, one end of the screw rod 51 far away from the nut 52 is hinged with the open slot 23 of the fixed clamp 21, and the screw rod 51 is buckled into the open slot 23 to lock the fixed clamp 21 and the movable clamp 22 by tightening the nut 52.

As shown in fig. 1 and 2, the adjusting assembly 4 includes a connecting rod 41, an arc-shaped latch 42, a sleeve 43 disposed on the inner wall of the annular sleeve 2, and an elastic member 44 and a limiting block 45 disposed in the sleeve 43; the elastic piece 44 is an elastic spring, one end of the elastic piece 44 is fixed with the bottom wall of the sleeve 43, and one end of the elastic piece 44, which is far away from the bottom wall of the sleeve 43, is fixedly connected with the limiting block 45; one end of the limiting block 45, which is far away from the elastic piece 44, is fixedly connected with one end of the connecting rod 41, and the limiting block 45 is connected with the inner wall of the sleeve 43 in a sliding manner; one end of the connecting rod 41 far away from the limiting block 45 is fixedly connected with the arc-shaped clamping block 42, the arc-shaped opening of the arc-shaped clamping block 42 faces the circle center of the annular sleeve 2, a rubber pad is arranged on one side of the arc-shaped clamping block 42 far away from the connecting rod 41, and a circular space is formed by the arc-shaped clamping blocks 42.

As shown in fig. 1 and 3, the transition core portion 3 includes a transition fiber core 31, a fixing base 32 and two fusion splicing units 33 for butting the ends of the optical fibers, the two fusion splicing units 33 are respectively located at two opposite ends of the fixing base 32, the mode field diameters of two ends of the transition fiber core 31 are different, a fixing groove 321 is formed in the fixing base 32, a fixing pad is arranged in the fixing groove 321, and the fixing groove 321 is used for fitting and embedding the transition fiber core 31. A fixed cover 322 is arranged on one side of the fixed seat 32, the fixed cover 322 is arc-shaped, and the arc opening is vertically downward; the edge of the fixing cover 322 is provided with a buckle 323, and the fixing seat 32 is provided with a clamping groove 324 in clamping fit with the buckle 323. The box body 1 is hinged with a welding tray 12, a chuck 121 is arranged on the welding tray 12, and the chuck 121 is used for matching with the welding unit 33.

The implementation principle of the embodiment is as follows: the transition fiber core 31 is fitted and embedded into the fixing groove 321 of the fixing seat 32, and the fixing cover 322 is buckled, so that the buckle 323 and the clamping groove 324 are clamped and fixed; at this moment, in the butt fusion unit 33 was blocked respectively to transition fibre core 31 both ends, put into the annular cover 2 with the optical cable, use locking Assembly 5 to fix clamp 21 and activity clamp 22 and lock, because connecting rod 41 and sleeve pipe 43 sliding connection, and arc fixture block 42 plays the effect of main support to the optical cable, can stretch out and draw back the regulation according to the optical cable of different external diameters to make the optical cable of different external diameters all can be suitable put into annular cover 2. The optical cable is fixed in annular cover 2 back, also places the terminal optical fiber end that waits to splice in the optical cable at butt fusion unit 33 for the terminal laminating of optical fiber and transition fibre core 31 covers splice tray 12 and makes chuck 121 compress tightly butt fusion unit 33, with the help of equipment such as splicer with the terminal butt fusion of transition fibre core 31 and the optic fibre that waits to splice, avoids the direct butt fusion of new and old optic fibre, leads to the butt fusion loss too big.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a be suitable for transition fibre core device of optical cable of different external diameters, includes box body (1) and sets up cross core portion (3) in box body (1), its characterized in that: the box comprises a box body (1), wherein two opposite ends in the length direction are provided with annular sleeves (2), each annular sleeve (2) comprises a fixing clamp (21) and a movable clamp (22), one side of each fixing clamp (21), which is close to the end face of the box body (1), is fixedly connected with the end face of the box body (1), one end of each fixing clamp (21) is hinged to one end of each movable clamp (22), one end, far away from the hinged part, of each fixing clamp (21) is provided with a locking assembly (5), the fixing clamps (21) and the movable clamps (22) are locked through the locking assemblies (5), the inner wall of each annular sleeve (2) is provided with a plurality of adjusting assemblies (4), each adjusting assembly (4) comprises a connecting rod (41), an arc-shaped clamping block (42) and a sleeve (43) arranged on the inner wall of each annular sleeve (2), and each sleeve (43) is sleeved on the connecting rod (41), and connecting rod (41) and sleeve pipe (43) sliding connection, the one end and the arc fixture block (42) fixed connection of sleeve pipe (43) are kept away from to connecting rod (41), and a plurality of arc fixture block (42) evenly distributed just form a circular space jointly.

2. The transition core assembly of claim 1, wherein: adjusting part (4) still including setting up elastic component (44) and stopper (45) in sleeve pipe (43), the one end and stopper (45) fixed connection of arc fixture block (42) are kept away from in connecting rod (41), stopper (45) keep away from one side of connecting rod (41) and wherein one end fixed connection of elastic component (44), the one end that stopper (45) were kept away from in elastic component (44) and the diapire fixed connection of sleeve pipe (43).

3. The transition core assembly of claim 2, wherein: and a rubber pad is arranged on one side of the arc-shaped clamping block (42) far away from the connecting rod (41).

4. The transition core assembly of claim 1, wherein: the one end that articulated department was kept away from with activity clamp (22) to fixation clamp (21) all is equipped with open slot (23) that supply locking Assembly (5) to buckle into, locking Assembly (5) include screw rod (51) and nut (52), the one end of screw rod (51) is articulated mutually with open slot (23) of fixation clamp (21), nut (52) set up in screw rod (51) keep away from the one end of fixation clamp (21).

5. The transition core assembly of claim 1, wherein: the transition core part (3) comprises transition fiber cores (31) with different mode field diameters at two ends, a fixing seat (32) for fixing the transition fiber cores (31) and two welding units (33) for butting the ends of the optical fibers, wherein the two welding units (33) are respectively positioned at two ends of the fixing seat (32).

6. The transition core assembly of claim 5, wherein: be provided with on fixing base (32) and supply transition fibre core (31) laminating fixed slot (321) of embedding, fixing base (32) one side articulates there is fixed lid (322) that are used for pushing down transition fibre core (31), fixed lid edge is provided with buckle (323) that are used for chucking fixed lid (322), fixing base (32) are provided with draw-in groove (324) of cooperation buckle (323).

7. The transition core assembly of claim 6, wherein: a fixing pad is arranged in the fixing groove (321).

8. The transition core assembly of claim 5, wherein: the box body (1) is hinged with a fusion welding disc (12), and a chuck (121) used for being matched with a fusion welding unit (33) is arranged on the fusion welding disc (12).