CN208054652U - Telescopic fibre concentrator - Google Patents

Abstract

The utility model discloses telescopic fibre concentrators, it is provided with central shaft in the bottom of the lower housing, threaded hole is offered in the upper end of central shaft, through-hole is offered on upper shell, upper case cover is set on lower housing, the locking bolt is located on after being passed through from the through-hole of upper shell in the threaded hole of central shaft, upper shell lock is set on lower housing, card slot is offered on the central shaft, centre bore is offered on the turntable, the limited block being distributed in a ring is provided on the lower surface of turntable, by its centre bore, rotationally activity is nested on center shaft the turntable, the wind spring is located on the inside of the limited block being distributed in a ring, the utility model advantage is：It prevents from bending optical fiber, avoids the generation for damaging phenomenon to optical fiber, play a very good protection to optical fiber, while good fixed function is played to optical fiber, effectively prevent loosening the phenomenon that beating strand.

Description

Telescopic fibre concentrator

Technical field

The utility model is related to the technical fields of take-up, are led more particularly to the technology of optical fiber take-up Domain.

Background technology

Optical fiber will usually reserve the remaining cable of certain length during the installation process, to make when being installed next time or being repaired With and cable usually requires to be furled more than this section, usual for the cord reeling method of cable more than optical fiber at present to keep clean and tidy It is to be wound lopping, is then stopped up using band, however outside the optical fiber after storage is exposed in this way In boundary's environment, it is not only not very neat and artistic, and when in outdoor environment, optical fiber is exposed to the weather, to add The speed aging speed of optical fiber outer jacket, shortens the service life of optical fiber.Although having part take-up can on the market at present Optical fiber is furled, but there are following shortcomings for this device：When since optical fiber is not bent, and this device It is easy when in use by fiber kinks, to cause optical fibre damage；Second is that after optical fiber is mounted in take-up, it is easy to happen pine It is dynamic, lack stable fixation, and be susceptible to and beat the phenomenon that twisting；Third, the locking mechanism structure of take-up is complex, It increases manufacturing cost, and using being not very convenient, is easily damaged；Fourth, the dismounting of this take-up is difficult, when need by Optical fiber be packed into its it is internal when, operation it is inconvenient.

Utility model content

The purpose of this utility model is exactly to provide that one kind is simple in structure, and manufacturing cost is low to solve above-mentioned deficiency, And use is very convenient, and optical fiber can be fixed well, it prevents optical fiber from loosening occurs and beats strand, while can avoid to optical fiber It is bent, can be played a very good protection to optical fiber, and quite convenient for the telescopic fibre concentrator of optical fiber replacement operation.

In order to solve the above-mentioned technical problem technical solution that the utility model uses is as follows：

Telescopic fibre concentrator, it includes lower housing, upper shell, locking bolt, turntable, wind spring and locking mechanism, It is provided with central shaft in the bottom of the lower housing, threaded hole is offered in the upper end of central shaft, is opened on upper shell Equipped with through-hole, upper case cover is set on lower housing, and the locking bolt is located on central shaft after being passed through from the through-hole of upper shell In threaded hole, upper shell lock is set on lower housing, card slot is offered on the central shaft, in being offered on the turntable Heart hole, is provided with the limited block being distributed in a ring on the lower surface of turntable, and the turntable is rotationally lived by its centre bore Dynamic to be nested on center shaft, the wind spring is located on the inside of the limited block being distributed in a ring, and the one end of wind spring fixes holding in In the card slot of mandrel, holding is fixed on limited block in the other end of wind spring, and the locking mechanism is by locking level, shaft, tension spring It is constituted with compression bar, the side of the lower housing is provided with latch well, the locking level by shaft rotationally install by activity In the latch well of lower housing, pilot hole is offered on the lateral wall of latch well, the compression bar activity is plugged in pilot hole, Locking ring is provided on the lower surface of the turntable, the locking ring is located at the outside of limited block, is arranged on the locking ring Have the locking teeth of circumferentially sequence arrangement, the one end of the tension spring is fixedly mounted on the inner wall of latch well, tension spring it is another End is fixedly mounted on the one end of locking level, the other end of locking level under the pulling force effect of tension spring holding in locking ring Locking teeth in, the end that the compression bar is located in latch well is corresponding with locking level, is arranged on the upper surface of the turntable Have wire spool, S-type cable clamping interface offered on the wire spool, the both sides of upper shell and lower housing be respectively arranged with The corresponding line outlet groove of cable clamping interface.

The edge of the upper shell is provided with public seam allowance, the edge of lower housing is provided with corresponding with public seam allowance Female seam allowance, upper shell is by its male seam allowance holding in female seam allowance of lower housing.

It is in pressure head corresponding with locking level that the compression bar, which is located at the end set in latch well, and compression bar is located at outside latch well The end set of side is in briquetting.

The locking mechanism is arranged in pairs.

The utility model is using the attainable advantageous effect of above-mentioned technical solution institute：Pass through S-type cable clamping interface Limit is fixed to optical fiber, optical fiber be fixed in cable clamping interface after around the home on wire spool so that optical fiber cabling smoothes out, and prevents pair Optical fiber is bent, and is avoided the generation for damaging phenomenon to optical fiber, is played a very good protection to optical fiber, while is right Optical fiber plays good fixed function, effectively prevents loosening the phenomenon that beating strand.By the way that locking level can be driven by down-pressed pole In retraction latch well, so that turntable rotates under the elastic force effect of wind spring, optical fiber withdrawal is wrapped on wire spool, It is easy to operate, and the locking mechanism is simple in structure, and manufacturing cost is low, is hardly damaged.After locking bolt is unscrewed, you can Upper shell is removed from lower housing, and then replace the operation of optical fiber, it is easy to operate, it is greatly improved work effect Rate.

Description of the drawings

Fig. 1 is that the utility model saves the structural schematic diagram after upper shell；

Fig. 2 is the backsight schematic cross-sectional view of the utility model；

Fig. 3 is the left view schematic cross-sectional view of the utility model in Fig. 1.

Specific implementation mode

Shown in Fig. 1, Fig. 2 and Fig. 3, telescopic fibre concentrator, it includes lower housing 1, upper shell 2, locking bolt 3, turntable 4, wind spring 5 and locking mechanism, are provided with central shaft 6 in the bottom of the lower housing 1, in the upper end of central shaft 6 Threaded hole 7 is inside offered, through-hole 8 is offered on upper shell 2, the lid of upper shell 2 is set on lower housing 1, in the upper shell 2 Edge is provided with public seam allowance 23, and the edge of lower housing 1 is provided with female seam allowance 24 corresponding with male seam allowance 23, upper shell 2 By its 23 holding of male seam allowance in female seam allowance 24 of lower housing 1, the locking bolt 3 is revolved after being passed through from the through-hole 8 of upper shell 2 It sets in the threaded hole 7 of central shaft 6, the lock of upper shell 2 is set on lower housing 1.Card slot 9 is offered on the central shaft 6, Centre bore 10 is offered on the turntable 4, is provided with the limited block 11 being distributed in a ring on the lower surface of turntable 4, described turn By its centre bore 10, rotationally activity is nested on central shaft 6 disk 4, and the wind spring 5 is located at the limited block being distributed in a ring The one end 25 of 11 insides, wind spring 5 fixes holding in the card slot 9 of central shaft 6, and the other end 26 of wind spring 5 fixes holding and exists On limited block 11.The locking mechanism is made of locking level 12, shaft 13, tension spring 14 and compression bar 15, the pairs of cloth of the locking mechanism It sets, is respectively arranged with latch well 16 in the both sides of the lower housing 1, the locking level 12 is rotationally movable by shaft 13 In the latch well 16 of lower housing 1, pilot hole 17 is offered on the lateral wall of latch well 16,15 activity of the compression bar is inserted It sets in pilot hole 17, locking ring 18 is provided on the lower surface of the turntable 4, which is located at the outer of limited block 11 Side, is provided with the locking teeth 29 of circumferentially sequence arrangement on the locking ring 18, and the one end of the tension spring 14 is fixedly mounted on On the inner wall of latch well 16, the other end of tension spring 14 is fixedly mounted on the one end of locking level 12, locking level 12 it is another In the locking teeth 29 of locking ring 18, the compression bar 15 is located in latch well 16 for holding under the pulling force effect of tension spring 14 for end End set is in pressure head 27, and the pressure head 27 is corresponding with locking level 12, and the end set that compression bar 15 is located at 16 outside of latch well is in Briquetting 28, pressure head 27 and briquetting 28 can limit the movement travel of compression bar 15.It is provided on the upper surface of the turntable 4 Wire spool 19 offers S-type cable clamping interface 20 on the wire spool 19, is set respectively in the both sides of upper shell 2 and lower housing 1 It is equipped with line outlet groove corresponding with cable clamping interface 20 22.

The present apparatus is when in use, it would be desirable to which the optical fiber holding of retracting is in cable clamping interface 20, then by optical fiber around the home in coiling On disk 19, the both ends of optical fiber are pierced by out of line outlet groove 22 respectively, when need by optical fiber trail progress in use, only need by The both ends of optical fiber pull out, and optical fiber overcomes the elastic band turn disk 4 of wind spring 5 to rotate during pull-out, are needed when reaching When the length wanted, optical fiber is stopped drag, the locking level 12 of locking mechanism is under the pulling force effect of tension spring 14, and holding is in locking teeth 29 It is interior, locking is carried out to turntable 4, prevents turntable 4 from turning round, when needing to withdraw optical fiber, only need to make locking by lower lock block 28 Bar 12 rotates into latch well 16, so that turntable 4 is turned round under the elastic force effect of wind spring 5, optical fiber is withdrawn.

Claims (4)

1. telescopic fibre concentrator, it is characterised in that：It include lower housing, upper shell, locking bolt, turntable, wind spring and Locking mechanism is provided with central shaft in the bottom of the lower housing, threaded hole is offered in the upper end of central shaft, upper Through-hole is offered on shell, upper case cover is set on lower housing, and the locking bolt is located on after being passed through from the through-hole of upper shell In the threaded hole of central shaft, upper shell lock is set on lower housing, card slot is offered on the central shaft, on the turntable Centre bore is offered, the limited block being distributed in a ring is provided on the lower surface of turntable, the turntable can by its centre bore Rotationally activity is nested on center shaft, and the wind spring is located on the inside of the limited block being distributed in a ring, and the one end of wind spring is fixed In the card slot of central shaft, holding is fixed on limited block in the other end of wind spring for holding, the locking mechanism by locking level, turn Axis, tension spring and compression bar are constituted, and the side of the lower housing are provided with latch well, the locking level is rotationally lived by shaft It is dynamic to be mounted in the latch well of lower housing, pilot hole is offered on the lateral wall of latch well, the compression bar activity, which is plugged on, to be led Into hole, locking ring is provided on the lower surface of the turntable, the locking ring is located at the outside of limited block, in the locking ring On be provided with the locking teeth of circumferentially sequence arrangement, the one end of the tension spring is fixedly mounted on the inner wall of latch well, tension spring The other end be fixedly mounted on the one end of locking level, the holding under the pulling force effect of tension spring of the other end of locking level exists In the locking teeth of locking ring, the end that the compression bar is located in latch well is corresponding with locking level, in the upper surface of the turntable On be provided with wire spool, S-type cable clamping interface is offered on the wire spool, is set respectively in the both sides of upper shell and lower housing It is equipped with line outlet groove corresponding with cable clamping interface.

2. telescopic fibre concentrator according to claim 1, it is characterised in that：It is arranged in the edge of the upper shell There are public seam allowance, the edge of lower housing to be provided with female seam allowance corresponding with male seam allowance, upper shell is existed by its public seam allowance holding In female seam allowance of lower housing.

3. telescopic fibre concentrator according to claim 1 or 2, it is characterised in that：The compression bar is located in latch well End set be in pressure head corresponding with locking level, compression bar is located at the end set on the outside of latch well in briquetting.

4. telescopic fibre concentrator according to claim 1 or 2, it is characterised in that：The locking mechanism is arranged in pairs.