CN217156868U

CN217156868U - Connecting structure of optical fiber coupler

Info

Publication number: CN217156868U
Application number: CN202221122061.1U
Authority: CN
Inventors: 赵旭; 曾伯谷; 魏坤瑞
Original assignee: Shenzhen Mingchuang Photoelectric Co ltd
Current assignee: Shenzhen Mingchuang Photoelectric Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-08-09
Anticipated expiration: 2032-05-11

Abstract

The utility model belongs to the technical field of optical fiber couplers, and discloses a connecting structure of an optical fiber coupler, which comprises an optical fiber coupler body, wherein a front fixing plate is fixedly connected with the front part of the right side of the optical fiber coupler body, a rear fixing plate is fixedly connected with the rear part of the right side of the optical fiber coupler body, a positioning plate is fixedly connected with the lower part of the inner sides of the front fixing plate and the rear fixing plate, a lower anti-skid silica gel pad is fixedly connected with the top of the positioning plate, a limiting groove and a guide groove are respectively arranged at the relative positions of the front fixing plate and the rear fixing plate, a limiting block is movably inserted in the limiting groove, a squeezing plate is fixedly connected with the limiting block, an upper anti-skid silica gel pad is fixedly connected with the bottom of the squeezing plate, an output optical fiber is arranged on the right side of the optical fiber coupler body, the output optical fiber is better positioned, so that the output optical fiber and the optical fiber coupler body are not easy to fall off, the stability of the output optical fiber and the optical fiber coupler body during use is improved.

Description

Connecting structure of optical fiber coupler

Technical Field

The utility model belongs to the technical field of optical fiber coupler, specifically be an optical fiber coupler's connection structure.

Background

The optical fiber coupler is a transmission device used in an optical fiber communication network, has a function of redistributing optical power or optical wavelength of an input signal, and is widely applied to the fields of optical communication, EDFA, optical fiber gyroscopes and optical fiber hydrophones. The coupler is mainly manufactured in a pull cone type and a diaphragm type. With continuous innovation and development of science and technology, miniaturization of devices such as optical communication, optical fiber hydrophones, optical fiber gyroscopes and EDFAs is a necessary trend, but miniaturization development of optical devices, particularly optical fiber couplers is slow, so that the size of a terminal application system is reduced and limited. Meanwhile, the optical fiber coupler is used as a key optical component, so that the product is miniaturized, and the good parameter performance and high stability and reliability of the product are ensured.

Present fiber coupler side is equipped with output fiber, because output fiber does not have positioning mechanism with fiber coupler junction, leads to output fiber and fiber coupler very easily to produce under the effect that receives the external force and drops, influences the use, consequently need increase clamping position mechanism to output fiber, and better fixes a position output fiber for output fiber and fiber coupler are difficult for producing and drop, simultaneously the utility model provides a fiber coupler's connection structure, the problem that the better solution above-mentioned of being convenient for provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems: the side of the existing optical fiber coupler is provided with an output optical fiber, and because the joint of the output optical fiber and the optical fiber coupler is not provided with a positioning mechanism, the output optical fiber and the optical fiber coupler are easy to fall off under the action of external force, so that the use is influenced, a clamping and positioning mechanism needs to be added on the output optical fiber, the output optical fiber is better positioned, the output optical fiber and the optical fiber coupler are not easy to break away, and the connecting structure of the optical fiber coupler is provided.

The utility model adopts the technical scheme as follows: a connecting structure of an optical fiber coupler comprises an optical fiber coupler body, wherein a front fixing plate is fixedly connected to the front side of the right side of the optical fiber coupler body, a rear fixing plate is fixedly connected to the rear side of the right side of the optical fiber coupler body, a positioning plate is fixedly connected to the lower side of the inner sides of the front fixing plate and the rear fixing plate, a lower anti-slip silica gel pad is fixedly connected to the top of the positioning plate, a limiting groove and a guide groove are formed in the relative positions of the front fixing plate and the rear fixing plate, a limiting block is movably inserted in the limiting groove, a squeezing plate is fixedly connected to the limiting block, an upper anti-slip silica gel pad is fixedly connected to the bottom of the squeezing plate, an output optical fiber is arranged on the right side of the optical fiber coupler body and is pressed on the inner sides of the upper anti-slip silica gel pad and the lower anti-slip silica gel pad, and a positioning screw is fixedly connected to the position of the limiting block relative to the guide groove, and the positioning screw rod is movably inserted in the guide groove and extends to the outer side of the guide groove, a positioning nut is connected to the positioning screw rod in a threaded mode and extruded on the right walls of the front fixing plate and the rear fixing plate.

In a preferred embodiment, the front fixing plate and the rear fixing plate have the same specification, and the limiting groove and the guide groove are of a communicating structure.

In a preferred embodiment, the limiting groove is matched with the limiting block, and the extrusion plate and the positioning plate are arranged oppositely.

In a preferred embodiment, the outer diameter of the positioning nut is greater than the width of the guide groove, and the specifications of the upper anti-slip silica gel pad and the lower anti-slip silica gel pad are the same.

In a preferred embodiment, the guide groove is of a U-shaped structure, and the depth of the limiting groove is the same as that of the guide groove.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the output optical fiber is better positioned, so that the output optical fiber and the optical fiber coupler body are not easy to fall off, and the stability of the output optical fiber and the optical fiber coupler body in use is improved.

The utility model discloses in, anti-skidding silica gel pad under the top fixedly connected with of locating plate, be convenient for place the top of anti-skidding silica gel pad under with output optic fibre, the spacing groove has been seted up to fixed plate and after-fixing board's inside in the front, be convenient for drive stripper plate and go up anti-skidding silica gel pad through the stopper and carry out the position and remove, can be with going up the pressfitting of anti-skidding silica gel pad at the top of output optic fibre, can tentatively spacing output optic fibre this moment, it has positioning screw to peg graft in the inside of guide way, be convenient for through positioning screw and positioning nut's cooperation, can fix a position the position of stopper, can be with better pressfitting of stripper plate and last anti-skidding silica gel pad on output optic fibre this moment, make the pressfitting that output optic fibre is more stable at last anti-skidding silica gel pad and the inboard of anti-skidding silica gel pad down, increase the stability when optic fibre coupler body and output optic fibre use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the area A in FIG. 1 according to the present invention;

fig. 3 is the utility model discloses stopper and positioning screw structure schematic diagram.

The labels in the figure are: 1-an optical fiber coupler body; 2-front fixing plate; 3, rear fixing plate; 4, positioning a plate; 5-placing an anti-slip silica gel pad; 6-a limiting groove; 7-a guide groove; 8-a limiting block; 9-extruding a plate; 10-installing an anti-skid silica gel pad; 11-an output fiber; 12-a positioning screw; 13-positioning the nut.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A connection structure of an optical fiber coupler according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Example (b):

referring to fig. 1, a connection structure of an optical fiber coupler includes an optical fiber coupler body 1, a front fixing plate 2 is fixedly connected to the front of the right side of the optical fiber coupler body 1, a rear fixing plate 3 is fixedly connected to the rear of the right side of the optical fiber coupler body 1, the front fixing plate 2 and the rear fixing plate 3 have the same specification, a positioning plate 4 is fixedly connected to the lower portion of the inner side of the front fixing plate 2 and the rear fixing plate 3, and a lower anti-slip silica gel pad 5 is fixedly connected to the top of the positioning plate 4;

referring to fig. 1-3, a limiting groove 6 and a guide groove 7 are formed at the relative positions of a front fixing plate 2 and a rear fixing plate 3, the limiting groove 6 and the guide groove 7 are of a communicating structure, the guide groove 7 is of a U-shaped structure, the depth of the limiting groove 6 is the same as that of the guide groove 7, a limiting block 8 is movably inserted in the limiting groove 6, the limiting groove 6 is matched with the limiting block 8, a pressing plate 9 is fixedly connected to the limiting block 8, the pressing plate 9 and a positioning plate 4 are oppositely arranged, an upper anti-skid silicone pad 10 is fixedly connected to the bottom of the pressing plate 9, the specifications of the upper anti-skid silicone pad 10 and a lower anti-skid silicone pad 5 are the same, an output optical fiber 11 is arranged at the right side of an optical fiber coupler body 1, the output optical fiber 11 is pressed on the inner side of the upper anti-skid silicone pad 10 and the lower anti-skid silicone pad 5, the output optical fiber 11 is conveniently placed at the top of the lower anti-skid silicone pad 5, and the pressing plate 9 and the upper anti-skid pad 10 are driven to move by the limiting block 8, the upper anti-skid silica gel pad 10 can be pressed on the top of the output optical fiber 11, the output optical fiber 11 can be preliminarily limited, the position of the limiting block 8 relative to the guide groove 7 is fixedly connected with a positioning screw 12, and the positioning screw 12 is movably inserted in the guide groove 7 and extends to the outer side of the guide groove 7, a positioning nut 13 is connected with the positioning screw 12 in a threaded manner, and the positioning screw cap 13 is extruded on the right wall of the front fixing plate 2 and the rear fixing plate 3, the outer diameter of the positioning screw cap 13 is larger than the width of the guide groove 7, which is convenient for matching the positioning screw 12 and the positioning screw cap 13, the position of the limiting block 8 can be positioned, the extrusion plate 9 and the upper anti-skid silica gel pad 10 can be better pressed on the output optical fiber 11, make output optical fiber 11 more stable pressfitting in last anti-skidding silica gel pad 10 and the inboard of anti-skidding silica gel pad 5 down, stability when increasing fiber coupler body 1 and output optical fiber 11 and using.

This application advantage: the output optical fiber 11 is better positioned, so that the output optical fiber 11 and the optical fiber coupler body 1 are not easy to fall off, and the stability of the output optical fiber 11 and the optical fiber coupler body 1 in use is improved.

The working principle is as follows: when fixing a position output optic fibre 11, earlier be connected output optic fibre 11 and fiber coupler body 1, output optic fibre 11 was placed on anti-skidding silica gel pad 5 down this moment, peg graft stopper 8 in spacing groove 6, positioning screw 12 pegs graft in guide way 7 this moment, will go up anti-skidding silica gel pad 10 pressfitting on output optic fibre 11, through pressing down stripper plate 9, make the better centre gripping of output optic fibre 11 at last anti-skidding silica gel pad 10 and the inboard of anti-skidding silica gel pad 5 down, rotate positioning nut 13 to one side, make positioning nut 13 extrude on preceding

fixed plate

2 and 3 right walls of after-fixing board, can fix a position stopper 8 this moment, stripper plate 9 and the position of last anti-skidding silica gel pad 10, better carry out the centre gripping location to output optic fibre 11 simultaneously.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A connection structure of an optical fiber coupler includes an optical fiber coupler body (1), characterized in that: the optical fiber coupler comprises an optical fiber coupler body (1), wherein a front fixing plate (2) is fixedly connected to the front side of the right side of the optical fiber coupler body (1), a rear fixing plate (3) is fixedly connected to the rear side of the right side of the optical fiber coupler body (1), a positioning plate (4) is fixedly connected to the lower side of the inner sides of the front fixing plate (2) and the rear fixing plate (3), a lower anti-slip silica gel pad (5) is fixedly connected to the top of the positioning plate (4), a limiting groove (6) and a guide groove (7) are formed in the relative positions of the front fixing plate (2) and the rear fixing plate (3), a limiting block (8) is movably inserted in the limiting groove (6), a squeezing plate (9) is fixedly connected to the limiting block (8), an upper anti-slip silica gel pad (10) is fixedly connected to the bottom of the squeezing plate (9), an output optical fiber (11) is arranged on the right side of the optical fiber coupler body (1), and the output optical fiber (11) is pressed in the inner sides of the upper anti-slip silica gel pad (10) and the lower anti-slip silica gel pad (5), the position of stopper (8) relative guide way (7) fixedly connected with positioning screw (12), and positioning screw (12) activity is pegged graft in guide way (7) and is extended to the outside of guide way (7), threaded connection has positioning nut (13) on positioning screw (12), and positioning nut (13) extrusion is on the right wall of preceding fixed plate (2) and after-fixing board (3).

2. A connection structure of an optical fiber coupler according to claim 1, wherein: the front fixing plate (2) and the rear fixing plate (3) are identical in specification, and the limiting groove (6) and the guide groove (7) are of a communicated structure.

3. A connection structure of an optical fiber coupler according to claim 1, wherein: the limiting groove (6) is matched with the limiting block (8), and the extrusion plate (9) and the positioning plate (4) are arranged oppositely.

4. A connection structure of an optical fiber coupler according to claim 1, wherein: the outer diameter of the positioning screw cap (13) is larger than the width of the guide groove (7), and the specifications of the upper anti-slip silica gel pad (10) and the lower anti-slip silica gel pad (5) are the same.

5. A connection structure of an optical fiber coupler according to claim 2, wherein: the guide groove (7) is of a U-shaped structure, and the depth of the limiting groove (6) is the same as that of the guide groove (7).