CN221101094U

CN221101094U - Optical module connector protection device

Info

Publication number: CN221101094U
Application number: CN202323263957.9U
Authority: CN
Inventors: 荣彬彬; 刘现中
Original assignee: Wuhan Yisiyuan Photoelectric Co ltd
Current assignee: Wuhan Yisiyuan Photoelectric Co ltd
Priority date: 2023-11-29
Filing date: 2023-11-29
Publication date: 2024-06-07
Anticipated expiration: 2033-11-29

Abstract

The utility model relates to an optical module connector protection device, comprising: an optical fiber connector; the shell is arranged outside the optical fiber connector and comprises a hollow shell, a threaded hole, a rectangular hole, a first hemispherical groove and a spring piece; the threaded hole is formed at one end of the hollow shell and is communicated with the first hemispherical groove; a seal block comprising a threaded block and a second hemispherical groove; the steering block comprises a first hemisphere, a second hemisphere, a positioning hole, a wire inlet hole, a positioning column and a mounting hole; and the supporting tube is arranged between the first hemisphere and the second hemisphere. Through the arrangement of the first hemispheroids, the second hemispheroids and the supporting pipes, the supporting pipes can be arranged between the two hemispheroids, so that the angle of the steering block and the supporting pipes can be driven to change after the optical fibers are stressed, the stress of the contact points between the optical fibers and the supporting pipes is reduced, and the effect of protecting the optical fiber roots of the optical module connectors is realized.

Description

Optical module connector protection device

Technical Field

The utility model relates to the technical field of optical module connector protection equipment, in particular to an optical module connector protection device.

Background

The optical fiber connector is a device for carrying out detachable (movable) connection between optical fibers, and precisely connects two end surfaces of the optical fibers, so that the optical energy output by an emitting optical fiber can be coupled into a receiving optical fiber to the maximum extent, and the influence on a system caused by the intervention of the optical energy into an optical link is minimized, which is the basic requirement of the optical fiber connector, and the optical fiber connector influences the reliability and various performances of an optical transmission system to a certain extent.

The optical fiber connector comprises an optical fiber connector, one end of the optical fiber connector is often provided with a pressure-relieving sleeve, most of the sleeve is a rubber tube, the optical fiber is supported, when the optical fiber is bent downwards by gravity or external force, the tail end of the pressure-relieving sleeve is slightly deformed, the pressure-relieving sleeve supports the optical fiber, but the contact part of the tail end of the pressure-relieving sleeve and the optical fiber is a main stress point, and the contact part of the optical fiber and the tail end of the pressure-relieving sleeve is poor in toughness due to the fact that the optical fiber is glass fiber in nature and is relatively concentrated in stress, so that the contact part of the optical fiber and the tail end of the pressure-relieving sleeve is poor in external force bearing capacity and is easy to break;

the optical module connector protection device is proposed to solve the above-mentioned problems.

Disclosure of utility model

Based on the expression, the utility model provides the optical module connector protection device to solve the problem that the root of the optical fiber connector is concentrated in stress and easy to break.

The technical scheme for solving the technical problems is as follows: an optical module connector protection device comprising:

an optical fiber connector; and

The shell is arranged outside the optical fiber connector and comprises a hollow shell, a threaded hole, a rectangular hole, a first hemispherical groove and a spring piece, wherein,

A first hemispherical groove provided in the hollow housing;

The threaded hole is formed at one end of the hollow shell and is communicated with the first hemispherical groove;

a seal block comprising a threaded block and a second hemispherical groove, wherein,

A second hemispherical groove provided in the interior of the screw block;

The steering block comprises a first hemisphere, a second hemisphere, a positioning hole, a wire inlet hole, a positioning column and a mounting hole, wherein,

The first hemisphere and the second hemisphere can form a sphere and are arranged between the first hemisphere groove and the thread block;

And the supporting tube is arranged between the first hemisphere and the second hemisphere.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, rectangular holes are formed in the upper surface and the lower surface of the hollow shell, and elastic sheets are arranged in the rectangular holes.

Further, a side of the elastic sheet, which is close to the optical fiber connector, is an inclined surface and extends to the inside of the hollow shell.

Further, the thread block is in threaded connection with the threaded hole.

Further, the second hemispherical groove and the first hemispherical groove form a spherical cavity, and the first hemispherical body and the second hemispherical body are both provided with the inside of the spherical cavity.

Further, a wire inlet hole is formed in one side, close to the optical fiber connector, of the first hemisphere, a positioning hole is formed in one side, close to the second hemisphere, of the first hemisphere, and the diameter, close to the optical fiber connector, of the wire inlet hole is larger than that of one side, far away from the optical fiber connector, of the wire inlet hole.

Further, the center and the outer edge of the second hemisphere, which are close to one side of the first hemisphere, are respectively provided with a mounting hole and a positioning column, and the positioning column extends to the inside of the positioning hole.

Further, the supporting tube is a rubber tube, and the diameter of one side of the supporting tube, which is close to the optical fiber connector, is larger than the diameter of one side, which is far away from the optical fiber connector, of the mounting hole.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. According to the utility model, the spherical cavity is formed between the shell and the sealing block through the matching relationship between the shell, the steering block, the sealing block and other components, so that the steering block can be arranged in the spherical cavity, and the rotating effect of the steering block can be realized;

2. Through the arrangement of the first hemispheroids, the second hemispheroids and the supporting pipes, the supporting pipes can be arranged between the two hemispheroids, so that the angle of the steering block and the supporting pipes can be driven to change after the optical fibers are stressed, the stress of the contact points between the optical fibers and the supporting pipes is reduced, and the effect of protecting the optical fiber roots of the optical module connectors is realized.

Drawings

Fig. 1 is a schematic structural diagram of an optical module connector protection device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the explosive structure of FIG. 1;

FIG. 3 is a cross-sectional view of the structure of the housing in an embodiment of the utility model;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

FIG. 5 is a schematic view of a first hemisphere according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a second hemisphere according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram showing a usage state of a steering block according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a connection structure between an optical fiber connector and a housing according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of a prior art structure;

in the drawings, the list of components represented by the various numbers is as follows:

1. An optical fiber connector; 2. slowly pressing the sleeve; 3. a housing; 31. a hollow housing; 32. a threaded hole; 33. a rectangular hole; 34. a first hemispherical groove; 35. a spring plate; 4. sealing blocks; 41. a screw block; 42. a second hemispherical groove; 5. a steering block; 51. a first hemisphere; 52. a second hemisphere; 53. positioning holes; 54. a wire inlet hole; 55. positioning columns; 56. a mounting hole; 6. and (5) supporting the tube.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

Referring to fig. 1 to 4, the optical module connector protection device is characterized by comprising:

An optical fiber connector 1; and

A housing 3 disposed outside the optical fiber connector 1 and including a hollow housing 31, a screw hole 32, a rectangular hole 33, a first hemispherical groove 34, and a spring piece 35, wherein,

A first hemispherical groove 34 provided in the hollow housing 31;

The threaded hole 32 is disposed at one end of the hollow housing 31 and is communicated with the first hemispherical groove 34, rectangular holes 33 are disposed on the upper and lower surfaces of the hollow housing 31, a spring plate 35 is disposed inside the rectangular holes 33, and a side of the spring plate 35, which is close to the optical fiber connector 1, is an inclined surface and extends into the hollow housing 31;

Based on the above, the spring piece 35 plays a role of providing an elastic force to fix the optical fiber connector 1 so that the optical fiber connector 1 is connected with the housing 3, wherein the screw hole 32 plays a role of connecting with the sealing block 4.

As shown in fig. 2 and 3, the closure block 4, which includes a threaded block 41 and a second hemispherical groove 42, wherein,

A second hemispherical groove 42 provided inside the screw block 41, the screw block 41 being screwed to the screw hole 32;

Based on the above, the second hemispherical groove 42 and the first hemispherical groove 34 form a spherical cavity, so that the steering block 5 is disposed in the spherical cavity and limited by the spherical cavity, and the steering block cannot be displaced in any direction and can only rotate in the spherical cavity.

As shown in fig. 2 to 6, the steering block 5 includes a first hemisphere 51, a second hemisphere 52, a positioning hole 53, a wire inlet hole 54, a positioning post 55, and a mounting hole 56, wherein,

A first hemisphere 51 and a second hemisphere 52, which can constitute one sphere, and are disposed between the first hemispherical groove 34 and the screw block 41;

A wire inlet 54 is formed in one side of the first hemisphere 51 close to the optical fiber connector 1, a positioning hole 53 is formed in one side of the first hemisphere 51 close to the second hemisphere 52, and the diameter of one side of the wire inlet 54 close to the optical fiber connector 1 is larger than that of one side of the wire inlet 54 far away from the optical fiber connector 1;

The center and the outer edge of the side, close to the first hemisphere 51, of the second hemisphere 52 are respectively provided with a mounting hole 56 and a positioning column 55, and the positioning column 55 extends into the positioning hole 53;

Based on the above, set up in the reference column and the locating hole 53 on second hemisphere 52 surface mutually support, played the effect to first hemisphere 51 and second hemisphere 52 each other group sum for the condition that dislocation can not appear when two hemispheres set up in spherical intracavity, and the mounting hole 56 then has played and has installed fixed effect to stay tube 6, wherein the design of entrance hole 54, when turning to piece 5 angle change, optic fibre is comparatively soft with the contact point that turns to piece 5, avoids appearing cutting and rubbing or bending excessively and lead to the condition that the optic fibre that is located the inside of this equipment appears damaging.

In practical use, the optical fiber is connected with the optical fiber connector 1 after passing through the sealing block 4, the second hemispheroid 52, the supporting tube 6, the first hemispheroid 51 and the shell 3 in sequence;

After the positioning column 55 on the surface of the second hemisphere 52 is aligned with the positioning hole 53 on the surface of the first hemisphere 51, the positioning column 55 is inserted into the positioning hole 53, and the supporting tube 6 is clamped into the mounting hole 56 and is limited by the two hemispheres and cannot move;

After the two hemispheres are placed in the first hemispheric groove 34, the sealing block 4 is rotated, so that the sealing block 4 is in threaded connection with the threaded hole 32, and the protection device is installed at the moment;

when the optical fiber connector 1 is inserted into the optical fiber connector, as shown in fig. 9, when the optical fiber connector is connected with related equipment for use, the optical fiber is bent downwards under the action of gravity or external force, at this time, the internal structure of the protection device is as shown in fig. 7, and the angle of the steering block 5 is changed after being forced to rotate in the process;

At this time, there are two stress points of the optical fiber:

Firstly, the contact position of the optical fiber and the first hemisphere 51 is in the wire inlet hole 54, and the angle of the steering block 5 is changed, so that part of the optical fiber positioned in the shell 3 is bent at first, and the stress point is positioned at the contact position of the optical fiber and the inner wall of the wire inlet hole 54;

secondly, when the optical fiber stretches out from the supporting tube 6, the contact point between the optical fiber and the supporting tube 6 is a second stress point after the optical fiber is stressed and bent;

The device is provided with the steering block 5, so that the part of the optical fiber, which is positioned in the shell 3 under the action of the steering block 5, is firstly bent partially, the bending degree is smaller compared with that of the traditional structure in fig. 9, the stress condition of the stress point is lighter, and the second stress point is smaller, because the supporting tube 6 is inclined, the included angle between the contact point and the optical fiber is smaller, and the interaction force of the optical fiber is smaller;

In fig. 9, the tail of the pressure-relief sleeve 2 is in contact with the optical fiber, and when the optical fiber is stressed and bent, the direct stress point is formed, the greater the bending degree of the optical fiber is, the greater the interaction force of the optical fiber is, and the more easily the optical fiber is broken;

According to the utility model, the stressed part of the optical fiber is divided, the total external force is divided into different positions of the optical fiber, the first contact point bears a part of external force, the second contact point bears the rest external force, and when the total external force is inconvenient, the optical fiber in the protection device is actually subjected to smaller force, so that the effect of protecting the root part of the optical fiber in the optical module connector is realized, and the occurrence of breakage of the optical fiber due to stress is effectively avoided.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. Optical module connector protection device, characterized by comprising:

An optical fiber connector (1); and

A housing (3) which is arranged outside the optical fiber connector (1) and comprises a hollow shell (31), a threaded hole (32), a rectangular hole (33), a first hemispherical groove (34) and a spring piece (35), wherein,

A first hemispherical groove (34) provided in the hollow housing (31);

a screw hole (32) which is provided at one end of the hollow housing (31) and communicates with the first hemispherical groove (34);

a closure block (4) comprising a threaded block (41) and a second hemispherical groove (42), wherein,

A second hemispherical groove (42) provided in the screw block (41);

A steering block (5) comprising a first hemisphere (51), a second hemisphere (52), a positioning hole (53), a wire inlet hole (54), a positioning column (55) and a mounting hole (56), wherein,

A first hemisphere (51) and a second hemisphere (52) which can form a sphere and are arranged between the first hemispherical groove (34) and the screw block (41);

And a support tube (6) provided between the first hemisphere (51) and the second hemisphere (52).

2. Protection device according to claim 1, characterized in that the upper and lower surfaces of the hollow housing (31) are provided with rectangular holes (33), the inside of the rectangular holes (33) being provided with shrapnel (35).

3. Protection device according to claim 2, characterized in that the side of the spring plate (35) close to the optical fiber connector (1) is an inclined surface and extends into the hollow housing (31).

4. Protection device according to claim 1, characterized in that the threaded block (41) is screwed with the threaded hole (32).

5. The protection device according to claim 1, characterized in that the second hemispherical groove (42) and the first hemispherical groove (34) form a spherical cavity, and the first hemispherical body (51) and the second hemispherical body (52) are both provided with the interior of the spherical cavity.

6. Protection device according to claim 1, characterized in that the side of the first hemisphere (51) close to the optical fiber connector (1) is provided with a wire inlet (54), the side of the first hemisphere (51) close to the second hemisphere (52) is provided with a positioning hole (53), and the diameter of the wire inlet (54) close to the optical fiber connector (1) is larger than the diameter of the wire inlet away from the optical fiber connector (1).

7. The protection device according to claim 6, wherein the center and the outer edge of the side of the second hemisphere (52) close to the first hemisphere (51) are respectively provided with a mounting hole (56) and a positioning column (55), and the positioning column (55) extends to the inside of the positioning hole (53).

8. Protection device according to claim 7, characterized in that the support tube (6) is a rubber tube, the diameter of which on the side close to the optical fibre connector (1) is greater than the diameter of the mounting hole (56) on the side remote from the optical fibre connector (1).