WO2008064543A1

WO2008064543A1 - Optical fiber gripping device and electronic apparatus

Info

Publication number: WO2008064543A1
Application number: PCT/CN2007/001562
Authority: WO
Inventors: Wenfeng E
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2006-11-28
Filing date: 2007-05-15
Publication date: 2008-06-05
Also published as: CN200976057Y

Abstract

An optical fiber gripping device and an electronic apparatus, comprising a first gripping block (1) and a second gripping block (3). The first gripping block (1) and the second gripping block (3) comprise mating surfaces, and gripping faces (71,73) arranged on the mating surfaces, respectively, the gripping faces matching each other. The size of the gripping faces matches the external diameter of the optical fiber when the gripping blocks are engaged. The first gripping block (1) and the second gripping block (3) also comprise a locking and positioning device (2,4).

Description

Optical fiber holder and electronic device

Technical field

The present invention relates to the field of fiber optic installation technology, and more particularly to a fiber holder and an electronic device. Background technique

As an important medium for high-capacity, high-rate optical signal transmission, optical fiber plays an important role in optical transmission equipment. The way fiber is mounted and fixed has a certain impact on the attenuation of the fiber, especially in high-power optical transmission equipment. At present, for a device with an output optical power of less than 500 mW, the pigtail is usually connected to the optical fiber in the optical cable through the optical connector, the socket of the optical connector is on the device side, and the plug is on the pigtail to form a detachable movable connection connector, which is convenient. Replacement and overhaul.

However, for equipment with an output optical power greater than 500 mW, if the movable connection joint is used, the heat generated at the movable connection joint often causes the socket on the equipment side to burn out, causing a serious accident of communication interruption.

To solve the above problems, it is possible to use a method in which the optical fiber is directly melted and connected, thereby avoiding an accident in which the communication is interrupted due to heat generation. However, how to mount the direct frusto-linked fiber to the device structure has not found a solution in the prior art. Summary of the invention

The problem to be solved by the embodiments of the present invention is to provide a fiber holder and an electronic device for solving the problem of mounting and fixing an optical fiber, particularly a fiber directly connected by a direct fuse, to the structure of the device.

The technical solution adopted by the embodiment of the present invention to solve the technical problem is: constructing a fiber holder, comprising a first clamping piece and a second clamping piece that cooperate with each other, the first clamping piece and the second clamping piece comprising a mating surface And a mating clamping surface disposed on the mating surface and respectively located on the two lobes, the two lobes cooperate with each other to fit the outer diameter of the optical fiber; the first and second lobes further include Fit the locking positioning device. The present invention also provides an electronic device comprising an optical fiber and a fiber holder, the fiber holder comprising: first and second clamps that cooperate with each other, the first and second clamps comprising a matching surface, an interfitting clamping surface disposed on the mating surface and respectively located on the two lobes, the two lobes cooperating to fit the outer diameter of the optical fiber; the first lobes and the second The flap also includes a locking and positioning device.

The optical fiber holder provided by the embodiment of the present invention can fix and fix the optical fiber, especially the optical fiber connected by the direct fuse, to the device structure, and, because the convex clamping structure is used to splicing the optical fiber in the embodiment of the present invention. The clamping and mounting are fixed, the contact area between the fiber holder and the optical fiber is reduced, the heat generation of the holder is greatly reduced, and the communication interruption of the optical fiber connection is avoided, which is especially suitable for direct fusion fiber. Connected fiber

In addition, the optical fiber holder structure of the embodiment provided by the embodiment of the invention is reliable in the clamping and mounting of the optical fiber, and is convenient to operate. The electronic device provided by the embodiment of the present invention can fix the optical fiber, especially the optical fiber connected by direct fuse. DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

Figure 1 is an exploded perspective view of an embodiment of a fiber holder of the present invention;

Figure 2 is a front elevational view of the embodiment of Figure 1 of the fiber holder of the present invention;

Figure 3 is a cross-sectional view taken along line B-B of Figure 2;

Figure 4 is an enlarged view of a portion I in Figure 3;

Figure 5 is a perspective view of another embodiment of the fiber holder of the present invention;

Figure 6 is a perspective view of another embodiment of the fiber holder of the present invention. detailed description

As shown in FIG. 1, FIG. 2 and FIG. 3, the fiber holder of the present invention comprises a first clamping plate 1 and a second clamping ring 3 which cooperate with each other, and the first clamping plate 1 and the second clamping plate 3 comprise mutually conformable The mating surface A is provided with matching clamping surfaces 71 and 72 on the mating surface A. The two clamping surfaces 71 and 72 cooperate to form a fiber holding hole 7 of the holder, and the clamping surfaces 71 and 72 is arranged along the clamping surface to cooperate with the circumferential distribution a point-like protrusion 8 (shown in FIG. 4), the point-like protrusion 8 forms an annular shape after the two flaps 1 and 3 cooperate with each other, and the size thereof is adapted to the outer diameter of the optical fiber, that is, the optical fiber is satisfied Does not cause deformation of the surface of the fiber.

A mating locking positioning device is disposed on the first flap 1 and the second flap 3. The mating pin positioning device has the following structure: an elastic hook 4 disposed on the first flap 1 / the second flap 3 in a direction transverse to the mating surface A and correspondingly disposed on the second flap 3 / the first flap 1 A locking hole 2 that engages with the elastic hook 4. The elastic hooks 4 and the locking holes 2 are provided on the side walls of the flaps on both sides of the mating face A. The elastic hooks 4 and the locking holes 2 can be provided in pairs along the longitudinal direction of the gripping faces 71 and 72 as needed.

In this embodiment, the first flap 1 and the second flap 3 are correspondingly provided with the elastic hook 4 and the locking hole 2, in other embodiments, the elastic hook 4 can be disposed on one of the flaps, and the other A locking hole 2 is correspondingly arranged on the clamp.

In other embodiments, the mating locking positioning device may adopt the following structure: the elastic hook 4 disposed on the first flap 1 / the second flap 3 in a direction parallel to the mating surface A and correspondingly disposed on the second flap 3 /The locking hole 2 on the first flap 1 and engaging with the elastic hook 4, the elastic hook 4 and the locking hole 2 are disposed on the side wall of the flap on both sides of the mating surface A. The elastic hook 4 can be disposed on one of the lobes, and the locking hole 2 is correspondingly disposed on the other lobes. The elastic hook 4 and the locking hole 2 can also be disposed on one of the lobes, and then on the other lobes. Correspondingly, the locking hole 2 and the elastic hook 4 are provided.

A holder mounting fixing structure is provided on the first flap 1 and the second flap 3. The holder is fixedly mounted as follows: a flange 5 is provided on the side wall of the flap 1, 3 (or the separate flap 1 or the flap 3), and a mounting hole 6 is provided on the mounting surface of the flange 5, the wing The mounting surface of the rim 5 intersects the longitudinal direction of the clamping faces 71, 72 laterally. The holder can be easily mounted and fixed to the device structure by connecting bolts or screws.

As shown in FIG. 5, in other embodiments, the holder mounting fixing structure may adopt the following structure: a flange 5 is disposed on the side walls of the flaps 1, 3 (or separately on the flap 1 or the flap 3) and Correspondingly, an elastic card 9 is disposed on the side wall of the flap, and the flange 5 includes a mounting surface laterally intersecting the longitudinal direction of the clamping faces 71, 72, and the elastic card 9 includes a chuck 91 protruding from the outer side wall of the flap. When the fiber holder is installed, the chuck 91 and the mounting surface are respectively located on both sides of the hole wall structure of the fiber holder mounting hole.

In this embodiment, the fiber clamping faces 71, 72 are half-holes that cooperate with each other. In other embodiments, The fiber clamping faces 71, 72 may be 1/3 holes, 3/4 holes or curved faces that are matched with each other, and the shape of the clamping faces may be a circular shape, an elliptical shape or a groove shape. After the two clamping faces are matched, the point-like protrusions 8 are formed to form a ring shape after the two flaps 1 and 3 cooperate with each other to meet the requirement of clamping the outer surface of the optical fiber.

The fiber holder of the embodiment is provided with a pair of fiber clamping faces 71, 72. In other embodiments, two pairs of fiber clamping faces (as shown in FIG. 6) may be provided, or multiple pairs may be provided as needed. Fiber clamping surface.

In other embodiments, the dot-like projections 8 may be replaced by strip-like projections spaced apart along the two clamping faces 71 and 72. The strip-like projections may be arranged along the longitudinal direction of the clamping faces 71 and 72 and distributed along the mating circumferential direction of the two clamping faces, or may be circumferentially arranged along the mating circumferential direction of the clamping faces 71 and 72 and spaced along the length of the hole wall. distributed.

In order to meet the requirements of convenient manufacturing, the first flap 1 and the second flap 3 may adopt a rotationally symmetrical structure, as shown in FIG. 1, so that the optical fiber holder in the embodiment of the present invention can be manufactured by using one mold. Save manufacturing costs.

In order to ensure the reliable clamping of the fiber holder by the fiber holder and prevent the protrusion size from being too large, the surface of the fiber to be clamped causes the fiber signal to be attenuated, and the following structure can be adopted: The structure of the clip except the protrusion adopts a rigid structure ( If it is made of hard plastic such as ABS, PC or nylon, the protrusion is placed on one side of the elastic sheet member (such as a rubber sheet), and the other side of the elastic sheet member is attached to the clamping surfaces 71, 72. The bonding may be bonded to the clamping faces 71, 72 or may be bonded only to the clamping faces 71, 72. It can be seen that since the protrusion is disposed on one side of the elastic sheet member, when the protrusion size is appropriate, it is possible to ensure reliable clamping of the optical fiber and prevent deformation of the surface of the optical fiber to be clamped.

In an embodiment of the present invention, there is also provided an electronic device comprising an optical fiber and the above-mentioned optical fiber holder. In the electronic device, since the optical fiber holder is used, the optical fiber can be directly used for direct fiber fusion. The connected fiber is well fixed.

In summary, the optical fiber holder provided by the embodiment of the present invention can fix and fix the optical fiber, especially the optical fiber connected by direct fusion fiber, on the device structure, and adopts the convex clamping in the embodiment of the present invention. The structure clamps and fixes the optical fiber, reduces the contact area between the optical fiber holder and the optical fiber, greatly reduces the heat generation of the clamp, and avoids the communication of the optical fiber connection being broken. Broken accidents, especially for fibers that are connected by direct fuses;

In addition, the optical fiber holder provided by the embodiment of the invention has a simple structure, is reliable in clamping and mounting of the optical fiber, and is convenient to operate.

It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Therefore, it is intended that the present invention cover the modifications and variations of the invention as claimed.

Claims

Rights request

A fiber holder, comprising: a first clamping piece and a second clamping piece that cooperate with each other, the first clamping piece and the second clamping piece comprising a mating surface, disposed on the mating surface and respectively located The mutually cooperating clamping faces of the two lobes, the two lobes cooperate with each other to fit the outer diameter of the optical fiber; the first lobes and the second lobes further comprise a locking locking device.

2. The fiber holder of claim 1, wherein the mating locking positioning device comprises a resilient hook disposed on a side of the flap in a direction transverse to the mating surface and correspondingly disposed Another locking hole on the flap that cooperates with the elastic hook, and the elastic hook and the locking hole are disposed on the side wall of the flap on both sides of the mating surface.

3. The fiber holder of claim 1, wherein the mating locking positioning device comprises a resilient hook disposed on a side of the flap in a direction parallel to the mating surface and correspondingly disposed in another a locking hole on the clip that cooperates with the elastic hook, and the elastic hook and the locking hole are disposed on the side wall of the flap on both sides of the mating surface.

4. The fiber holder of claim 1 wherein the first and second jaws further comprise a holder mounting fixture.

5. The fiber holder of claim 4, wherein the holder mounting fixture comprises a flange disposed on a sidewall of the flap and a flange mounting surface a mounting hole, the flange mounting surface intersecting the longitudinal direction of the clamping surface.

6. The fiber holder of claim 4, wherein the holder mounting fixture comprises a flange disposed on a sidewall of the flap and a sidewall disposed on the flap The upper elastic card, the flange includes a mounting surface laterally intersecting the longitudinal direction of the half hole, the elastic card includes a chuck protruding from the outer side wall of the clip, the chuck and the mounting surface are respectively located in the optical fiber clip Both sides of the hole wall structure of the holder mounting hole.

The optical fiber holder according to claim 1, wherein the clamping surface has a circular arc shape, an elliptical arc shape or a groove shape.

8. A fiber holder according to any one of claims 1 to 3 wherein: The clamping surface further includes protrusions disposed on the clamping surface along the clamping surface, and the protrusions are matched with the outer diameter of the optical fiber after the two clamping jaws cooperate with each other.

9. The fiber holder of claim 8, wherein the protrusions are in the form of dots or strips.

The optical fiber holder according to claim 8, wherein the projections are circumferentially spaced along the clamping surface or spaced apart along the longitudinal direction of the clamping surface.

The optical fiber holder according to claim 8, further comprising an elastic sheet member, wherein the structure of the clip except the protrusion adopts a rigid structure, and the protrusion is disposed on the elastic piece On one side of the member, the other side of the elastic sheet member is in conformity with the wall of the hole of the half hole.

12. The fiber holder of claim 1, wherein the clamping faces are one pair, two pairs or pairs.

13. The fiber holder of claim 1, wherein the first and second lobes are rotationally symmetric.

14. An electronic device, comprising: an optical fiber and a fiber holder, the fiber holder comprising: first and second clamps that cooperate with each other, the first and second clamps Including a mating surface, an interfitting clamping surface disposed on the mating surface and respectively located on the two flaps, the two clips cooperate with each other to fit the outer diameter of the fiber; the first flap and the first The two clamps also include a locking and positioning device.

15. The electronic device according to claim 14, wherein the mating locking positioning device comprises a resilient hook disposed on a side of the flap in a direction transverse to the mating surface and correspondingly disposed on the other a locking hole on the clip that cooperates with the elastic hook, and the elastic hook and the locking hole are disposed on the side wall of the clip on both sides of the mating surface.

16. The electronic device according to claim 14, wherein the mating locking positioning device comprises a resilient hook disposed on a side of the flap in a direction parallel to the mating surface and correspondingly disposed in another a locking hole on the clip that cooperates with the elastic hook, and the elastic hook and the locking hole are disposed on the side wall of the clip on both sides of the mating surface.

17. The electronic device of claim 14, wherein: the first flap and the second The clip also includes a gripper mounting fixture.

18. The electronic device according to claim 17, wherein the holder mounting fixing structure includes a flange provided on a side wall of the flap and a mounting hole provided on the flange mounting surface The flange mounting surface intersects the longitudinal direction of the clamping surface.

19. The electronic device according to claim 17, wherein the holder mounting fixing structure includes a flange disposed on a sidewall of the flap and a sidewall disposed on a side wall of the flap An elastic card, the flange includes a mounting surface laterally intersecting the longitudinal direction of the half hole, the elastic card includes a chuck protruding from an outer sidewall of the clip, the chuck and the mounting surface are respectively located in the optical fiber holder Install the holes on both sides of the hole wall structure.

The electronic device according to claim 14, wherein the clamping surface has a circular arc shape, an elliptical arc shape or a groove shape.

The electronic device according to any one of claims 14 to 20, wherein the clamping surface further comprises a protrusion disposed on the clamping surface and spaced apart along the clamping surface, The protrusions are adapted to the outer diameter of the fiber after the two jaws are mated with each other.

The electronic device according to claim 21, wherein the protrusions are in a dot shape or a strip shape.

The electronic device according to claim 21, wherein the projections are circumferentially spaced apart along the clamping surface or spaced apart along the longitudinal direction of the clamping surface.

The electronic device according to claim 21, comprising an elastic sheet member, wherein the structure of the clip except the protrusion adopts a rigid structure, and the protrusion is disposed on the elastic sheet member On one side, the other side of the elastic sheet member is in contact with the wall of the hole of the half hole.

The electronic device according to claim 14, wherein the clamping faces are one pair, two pairs or pairs.

26. The electronic device of claim 14, wherein the first and second lobes are rotationally symmetric.