CN101861540A

CN101861540A - Optical cable termination device

Info

Publication number: CN101861540A
Application number: CN200880109454A
Authority: CN
Inventors: P·博斯; D·肯佩尼尔斯; J·吉恩斯
Original assignee: Tyco Electronics Raychem BVBA
Current assignee: Commscope Connectivity Belgium BVBA
Priority date: 2007-09-24
Filing date: 2008-09-05
Publication date: 2010-10-13
Also published as: EP2191314A1; AU2008303328A1; WO2009040567A1; GB0718588D0

Abstract

An optical cable termination device for fixing in position or pulling an optical cable to which the device is fitted in use, comprising first and second elongate compression members (125, 160) adapted for fitting together around the optical cable to extend lengthwise along the cable and to apply non-penetrative lateral gripping pressure to the optical cable and/or to an optical connector or other fitting attached to the cable, wherein the compression members incorporate hinge formations (170) adapted to hinge the compression members together at or near one end of the termination device and securing means (165) adapted to secure the compression members together, arranged so that the compression members can be hingedly assembled around the cable in an open-jaw position and can then be angularly closed to engage the securing means and apply the gripping pressure, substantially without penetrating or bending the optical cable. The device may be adapted to provide a cable pulling attachment eye (150), preferably near the end of the device remote from the hinge (170).

Description

Optical cable termination device

The present invention relates to a kind ofly be used for optical cable is fixed on the position or the optical cable termination device of traction optical cable.

In for example WO-A-2007/039585 (E-TO-00080), described and be used to draw the optical cable traction cap that optical cable passes pipeline, it comprises two and half shells that snap fit together around being connected the joints of optical fibre on the optical cable, half shell and the joints of optical fibre have corresponding structure, it abuts one another on optical cable-lead, so that when cap is pulled tractive force is passed to optical cable.

The present invention relates to apply the optical cable termination device of lateral compression power.The present invention correspondingly provides a kind of and has been used for being fixed on optical cable on the position or the optical cable termination device of traction optical cable, this device is assembled on the optical cable in use, this optical cable termination device comprises the first and second long compression member, it is suitable for being combined together around optical cable, so that vertically extend along optical cable, and the side direction clamping pressure of non-penetrative is put on the optical cable and/or the joints of optical fibre or other to be connected on the joint on the optical cable, wherein compression member comprises hinge arrangement and stationary installation, hinge arrangement is suitable near an end of end device or its compression member is hinged, stationary installation is suitable for compression member is fixed together, be set to and compression member can be hingedly mounted on open the jaw position around optical cable (when existing), closed then angledly, engaging, and apply clamping pressure not penetrating optical cable basically or make under the condition of optical cable bending with stationary installation.This device preferably is suitable for applying clamping pressure on the position between the other end of hinge and device.

Can be suitable for optical cable traction cap as described later according to optical cable termination device of the present invention, or alternatively be used for the optical cable locating terminal, for example described in we the co-pending UK Patent Application No. (E-TO-00164), its disclosure of the Invention is whole to be incorporated by reference herein.

Hinged closure function according to end device of the present invention has promoted to install fast and reliably, and need not be overly dependent upon the skill or the specific purpose tool of setter.This puts on the hinged end of device and the position between the other end at clamping pressure, is particularly advantageous when the hinged end preferably, thereby provides mechanical advantage when clossing pressure puts near the other end of device.Quick and reliable installation is just becoming and is needing day by day, has wherein related to the installation of a plurality of optical cables, the installation of a cable of serving especially for Fiber to the home (FTTH).

In a preferred form of the invention, stationary installation comprises the fastener matching structure that is positioned on the compression member.When device according to the present invention during as optical cable traction web member, compression member preferably includes two and half shells, and it can be assembled together and form the optical cable traction cap, and traction cap has the optical cable towing pad device away near the end of hinge or its.In some form; for example when resilient ring be when being assemblied in the tin hat of making by elastic body or other resilient material on the optical cable end of (when existing) a part of movably, this device can be suitable in use applying the side direction clamping pressure by the resilient ring that compression is assemblied in around optical cable and/or described connector or other joint.In some preferred embodiment, described cap and described half shell are of a size of the connector that seals in use on the end that is connected optical cable.

By example specific embodiment of the present invention is described now with reference to accompanying drawing, wherein:

Fig. 1 has shown optical cable 110, and it has the joints of optical fibre 105 of the known type on the end of cable of being connected,

Fig. 2 has shown the rubber cap 100 of protectiveness, and it has the sealing ring 120 that is ready to be assemblied on the end of cable that is connected,

Fig. 3 has shown the cap 100 on the end that is assemblied in optical cable 110.

Fig. 4 has shown optical cable traction cap divided into two parts " bottom " part 125, and it has traction attachment hole 150 and hinge fraction 140 near its each end, and the chamber 130 that is suitable for holding and compressing the sealing ring 120 of tin hat,

Fig. 5 has shown the cap that is assembled in the traction cap part 125, and wherein sealing ring 120 is contained in the aforementioned cavities 130,

Fig. 6 has shown " top " part 160 of optical cable traction cap, it has the chamber (not shown) that the chamber 130 with " bottom " part 125 is complementary, hinge fraction 170, itself and the hinge fraction co-operating of " bottom " part 125 are so that hinged to open the jaw form with two housings; And the buckle closing feature 165 that is used for fixing this device,

Fig. 7 has shown at hinged

housing parts

125 and 160 closed together, thus the compression seal ring, and by buckle closing feature 165 and traction cap after engaging of suitable pawl component is fixed together,

Fig. 8 has shown the cross-sectional view of the assembly of Fig. 7, and the assembly of Fig. 7 will encircle 120 and be compressed in the chamber 130 of present closure, thereby the side direction clamping pressure is put on the optical cable that is connected,

Fig. 9 has shown " bottom " part 20 and " top " part 30 according to optical cable termination device divided into two parts of the present invention, and shown the purposes of this device when optical fiber being propped up cable 50 and be installed on the mounting bracket plate 40, wherein optical fiber 52 extends and exceeds the end of this device from the end of optical cable.

For statement of " bottom " and " top " of end device part is for being convenient to purpose of description, and does not mean that this device is in use with respect to any specific location of its surrounding environment.Base section 20 has a pair of hinged protuberance 24 of close one end and a pair of thrust 26 that is clasped of close its other end.Top section 30 has a pair of hinge recess 32 of close one end, and it can engage with the protuberance 24 of base section, and top section 30 has a pair of buckle ratchet holes 34 near its other end.Closed together in these two parts, top section 30 is assemblied on the base section 20 and outside the time, the thrust 26 of base section snaps in the hole 34 of top section, shown on the installing plate 40.Guiding protuberance 29 on the base section is engaged in the guide recess 36 of top section, and stop shoulder 29 is provided on base section, to help the closure of control device.Corresponding part is by providing enough pliabilities to make with the material that is used for buckle-mating reaction.

The top section of device carries the tabular tongue piece 38 of a pair of elasticity, and it applies lateral compression power to optical cable when device is closed.The base section of device carries

whole installation foot

21,23, and it is designed to be assembled in the mounting groove of installing plate 40, as described further below, has ratchet 22 on the installation foot 21.

Figure 10 A has shown first step, and in this step, the parts of

end device

20,30 are assemblied in the hinged jaw position of opening around optical cable 50, proceed to second step as big white arrow indication, and in this step, device is fastened, to clamp optical cable.In Figure 10 B, the optical cable of termination is moving towards installing plate 40 shown in big black arrow A in the third step like this, the installation foot 21 of end device wherein, 23 are inserted into the mounting groove 41 of installing plate, in 43, afterwards at sliding motion on the direction of optical cable 50 so that the ratchet 22 of pin 21 is snapped in the ratchet holes 42 of installing plate, thereby with the optical cable lateral fixation on installing plate.

Claims

1. one kind is used for being fixed on optical cable on the position or the optical cable termination device of traction optical cable, optical cable is assemblied on the described device in use, described optical cable termination device comprises the first and second long compression member, the described first and second long compression member are suitable for being combined together around optical cable, so that vertically extend along described optical cable, and the side direction clamping pressure of non-penetrative is put on the optical cable and/or the joints of optical fibre or other to be connected on the joint on the described optical cable, wherein, described compression member comprises hinge arrangement and stationary installation, described hinge arrangement be suitable for an end of described end device or near described compression member is hinged, described stationary installation is suitable for described compression member is fixed together, be arranged to described compression member is hingedly mounted on out the jaw position around described optical cable (when existing), then can be angled ground closed, engaging described stationary installation, and apply clamping pressure not penetrating described optical cable basically or make under the condition of described optical cable bending.

2. device according to claim 1 is characterized in that, described device is suitable for applying clamping pressure on the position between the other end of described hinge and described device.

3. device according to claim 1 and 2 is characterized in that, described stationary installation is located on or near the end away from described hinged end of described device.

4. according to the described device of claim 1,2 or 3, it is characterized in that described device is suitable for applying clamping pressure on the position of the described hinged end of more close described device.

5. according to the described device of aforementioned arbitrary claim, it is characterized in that described stationary installation comprises one or more fastener matching structures that are positioned on the described compression member.

6. according to the described device of aforementioned arbitrary claim, it is characterized in that described device is adapted to pass through described device and with engaging of support the optical cable that clamps is positioned on the described support.

7. according to each the described device in the claim 1 to 5, it is characterized in that described device is suitable for as optical cable traction web member.

8. optical cable draw-gear according to claim 7, it is characterized in that, described compression member comprises two and half shells, and described two and half shells are assembled together forming the optical cable traction cap, and described optical cable traction cap has the optical cable towing pad described device away near the end of described hinge or its.

9. device according to claim 8 is characterized in that, described device is suitable for being assemblied in the optical cable and/or the described joints of optical fibre or other joint resilient ring on every side by compression in use and applies the side direction clamping pressure.

10. device according to claim 9 is characterized in that described device with described resilient ring is.

11. device according to claim 10 is characterized in that, described resilient ring is a part that is assemblied in the tin hat that elastic body on the optical cable end of (when existing) or other resilient material make movably.

12. device according to claim 11 is characterized in that, described cap is of a size of the joints of optical fibre on the end that sealing is connected optical cable in use.

13., it is characterized in that described device is assemblied on the described cap of end of optical cable according to claim 11 or 12 described devices.

14. device according to claim 13 is characterized in that, described optical cable has the joints of optical fibre that are assemblied on its end, and the described joints of optical fibre are by described cap closure.