CN209858790U - Multi-core optical fiber coupling end fixing structure assembly - Google Patents

Abstract

The utility model discloses a multicore optical fiber coupling end fixed knot constructs subassembly, including optic fibre mounting, optic fibre body, rubber pad, first reset spring and second reset spring, the right side of optic fibre mounting is connected with four hole glan heads, and the right-hand member of four hole glan heads is connected with glan head and connects the lid to the right side of glan head connection lid is provided with the optic fibre body, the upper and lower both ends of four hole glan heads are fixed with the connecting plate, and the left side of connecting plate is provided with the card post to the inboard of card post is provided with the second spacing groove. This multicore optical fiber coupling end fixed knot constructs subassembly is provided with rubber pad, reference column and first spacing groove, makes through the rubber pad and keeps bigger frictional force between optic fibre mounting and the four-hole glan head, has avoided the glan head to connect the phenomenon that the lid takes place not hard up when receiving vibrations through the cooperation of reference column and first spacing groove simultaneously, improves the fixed effect of device to optic fibre, keeps the stability of connecting between the optic fibre, increases the practicality of device.

Description

Multi-core optical fiber coupling end fixing structure assembly

Technical Field

The utility model relates to an optical fiber coupling technical field specifically is a multicore optical fiber coupling end fixed knot constructs subassembly.

Background

The optical fiber transmits signals through total reflection of light, has lower energy consumption compared with electric wire transmission, is commonly used for long-distance information transmission, and is fixedly coupled between the end part of the optical fiber and a connecting structure through fixed construction at the end of the optical fiber, but the existing optical fiber coupling end fixing structure component has some defects in use:

1. most of the existing fiber coupling end fixing structure assemblies in the market adopt a gluing fixing mode to connect optical fibers, the optical fibers are easy to misplace and difficult to keep neat, the problems of eccentricity, non-perpendicularity, even improper installation and the like are easy to occur when the optical fibers are assembled with a light source, the optical coupling efficiency is greatly reduced, and the protection effect on light source components is poor;

2. the fixed structure subassembly of current fine coupling end in market is easily influenced by external vibrations after fixing optic fibre, leads to taking place between optic fibre and the fixed structure subassembly not hard up, influences the stability of connecting between the optic fibre, has reduced the practicality of device.

In order to solve the problems, innovative design is urgently needed on the basis of the original optical fiber coupling end fixing structure component.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multicore fiber coupling end fixed knot constructs subassembly to solve the present market that the above-mentioned background art provided and to have the fine coupling end fixed knot to construct the subassembly and mostly adopt to beat to glue fixed mode and connect optic fibre, misplace easily between optic fibre and the optic fibre and hardly keep neat, and relatively poor to the protective effect of light source unit, and the device easily receives external vibrations to influence, leads to taking place not hard up problem between optic fibre and the fixed knot structure subassembly.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-core optical fiber coupling end fixing structure assembly comprises an optical fiber fixing piece, an optical fiber body, a rubber pad, a first return spring and a second return spring, wherein the right side of the optical fiber fixing piece is connected with a four-hole Glan head, the right end of the four-hole Glan head is connected with a Glan head connecting cover, the right side of the Glan head connecting cover is provided with the optical fiber body, the upper end and the lower end of the four-hole Glan head are fixedly provided with connecting plates, the left side of each connecting plate is provided with a clamping column, the inner side of each clamping column is provided with a second limiting groove, the connecting plate is internally provided with the second return spring, the inner side of the second return spring is connected with a fixed column, the rubber pad is fixed on the inner side of the fixed column, the surface of the Glan head connecting cover is provided with a push block, the lower part of the push block is connected with a positioning column, the right end, and the first limiting groove is arranged on the surface of the four-hole flange head, and a fastening hole is arranged in the four-hole flange head.

Preferably, 4 fastening holes are formed in the four-hole Glan head at equal intervals, the fastening holes and the optical fiber body are in one-to-one correspondence, and the optical fiber body tightly penetrates through the fastening holes in the four-hole Glan head.

Preferably, the push block and the positioning column are integrally connected, and the positioning column and the inside of the gland head connecting cover form a telescopic structure through a first return spring.

Preferably, the positioning column is connected with the first limiting groove in a clamping manner, and the first limiting groove is uniformly distributed on the surface of the four-hole flange head in an annular manner by using the center of the four-hole flange head.

Preferably, be unsmooth cooperation structure between the inboard of card post and the second spacing groove, and the inboard fixed column of card post passes through to constitute extending structure between second reset spring and the connecting plate to be connected for the integration between connecting plate and the four hole glan heads.

Compared with the prior art, the beneficial effects of the utility model are that: the multi-core optical fiber coupling end fixing structure component;

(1) the four-hole Glan head is arranged, the optical fiber and the optical fiber fixing piece are mechanically fixed through the four-hole Glan head, the four-hole Glan head has higher independence relative to other parts of a light guide illumination system, is more obvious, flexible and changeable in production and practical application, has higher compatibility and better protection on a light source part, and when the application requirements are more, the specification, the number and the length of the optical fiber can be correspondingly adjusted according to different requirements, so that the use convenience of the device is improved;

(2) be provided with rubber pad, reference column and first spacing groove, make through the rubber pad and keep bigger frictional force between optic fibre mounting and the four-hole glan head, avoid the four-hole glan head to take place the activity on the optic fibre mounting, avoided simultaneously through the cooperation of reference column and first spacing groove that the glan head is connected the phenomenon that the lid takes place not hard up when receiving vibrations, improve the fixed effect of device to optic fibre, keep the stability of connecting between the optic fibre, increase the practicality of device.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic side view of the first limiting groove of the present invention;

FIG. 4 is a schematic top view of the second limiting groove of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 6 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. an optical fiber fixing member; 2. a four-hole glan head; 3. an optical fiber body; 4. a gland head connecting cover; 5. a push block; 6. a positioning column; 7. a connecting plate; 8. clamping the column; 9. fixing a column; 10. a rubber pad; 11. a first limit groove; 12. a first return spring; 13. a second return spring; 14. a second limit groove; 15. a fastening hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a multi-core optical fiber coupling end fixing structure assembly comprises an optical fiber fixing piece 1, a four-hole Glan head 2, an optical fiber body 3, a Glan head connecting cover 4, a push block 5, a positioning column 6, a connecting plate 7, a clamping column 8, a fixing column 9, a rubber pad 10, a first limiting groove 11, a first return spring 12, a second return spring 13, a second limiting groove 14 and a fastening hole 15, wherein the right side of the optical fiber fixing piece 1 is connected with the four-hole Glan head 2, the right end of the four-hole Glan head 2 is connected with the Glan head connecting cover 4, the right side of the Glan head connecting cover 4 is provided with the optical fiber body 3, the upper end and the lower end of the four-hole Glan head 2 are fixedly provided with the connecting plate 7, the left side of the connecting plate 7 is provided with the clamping column 8, the inner side of the clamping column 8 is provided with the second limiting groove 14, the connecting plate 7 is internally provided with the second, a rubber pad 10 is fixed on the inner side of the fixed column 9, a push block 5 is arranged on the surface of the gland head connecting cover 4, a positioning column 6 is connected below the push block 5, a first return spring 12 is arranged at the right end of the positioning column 6, a first limiting groove 11 is formed in the outer side of the left end of the positioning column 6, the first limiting groove 11 is formed in the surface of the four-hole gland head 2, and a fastening hole 15 is formed in the four-hole gland head 2;

4 fastening holes 15 are arranged in the four-hole Glan head 2 at equal intervals, the fastening holes 15 and the optical fiber body 3 are in one-to-one correspondence, the optical fiber body 3 tightly penetrates through the fastening holes 15 in the four-hole Glan head 2, the optical fiber body 3 can be connected and fixed through the four-hole Glan head 2 by the structural design, and meanwhile, the light source part can be effectively protected by the arrangement of the four-hole Glan head 2, so that the practicability of the device is improved;

the push block 5 and the positioning column 6 are integrally connected, the positioning column 6 and the inside of the gland head connecting cover 4 form a telescopic structure through a first return spring 12, and the structure design enables a user to drive the positioning column 6 to move through the push block 5, so that the positioning column 6 and the first limiting groove 11 can be conveniently clamped in a subsequent mode;

the positioning column 6 is connected with the first limiting groove 11 in a clamping manner, the first limiting groove 11 is uniformly distributed on the surface of the four-hole flange head 2 in an annular manner by taking the center of the four-hole flange head 2 as a center, and the flange head connecting cover 4 can be kept stable under the clamping action between the positioning column 6 and the first limiting groove 11 by the structural design, so that the flange head connecting cover 4 is prevented from loosening on the four-hole flange head 2, and the overall stability of the device is improved;

be unsmooth cooperation structure between inboard and the second spacing groove 14 of card post 8, and constitute extending structure between the inboard fixed column 9 of card post 8 through second reset spring 13 and connecting plate 7, and be connected for the integration between connecting plate 7 and the four hole glan head 2, above-mentioned structural design makes card post 8 can promote the surface of rubber pad 10 and optical fiber mounting 1 and contact, provides the secondary through the frictional force between rubber pad 10 and the optical fiber mounting 1 and fixes for between four hole glan head 2 and the optical fiber mounting 1.

The working principle is as follows: when the multi-core optical fiber coupling end fixing structure assembly is used, as shown in fig. 1, the left end of the four-hole glan head 2 is installed inside the optical fiber fixing member 1 through threaded connection, as shown in fig. 1, 4 and 6, the clamping column 8 is pulled, the clamping column 8 moves through pulling the fixing column 9, the fixing column 9 extrudes the second return spring 13, the clamping column 8 is separated from the second limiting groove 14, then the clamping column 8 is rotated to fix the clamping column 8 on the surface of the connecting plate 7, then the four-hole glan head 2 and the optical fiber fixing member 1 can be installed, after the installation is finished, the clamping column 8 is rotated to enable the clamping column 8 to be clamped with the second limiting groove 14 again, meanwhile, the fixing column 9 pushes the rubber gasket 10 to be in contact with the surface of the optical fiber fixing member 1 under the action of the second return spring 13, and the optical fiber 1 and the four-hole glan head 2 are secondarily fixed through the friction force of the rubber gasket 10 and the surface of the optical fiber, the stability of the device is improved;

according to the figures 1-3, the optical fiber body 3 is doped with the connecting component through the fastening holes 15 of the four-hole gland head 2, after the optical fiber head is aligned with the optical fiber fixing component 1, the gland head connecting cover 4 is screwed and fixed, then the optical fiber head and the fixed-length optical cable form an independent standard component to complete the connection of the optical fiber, when the gland head connecting cover 4 is screwed, the pushing block 5 is pushed to enable the pushing block 5 to drive the positioning column 6 to slide in the gland head connecting cover 4 so as to enable the positioning column 6 and the first limiting groove 11 to be disengaged, then the gland head connecting cover 4 can be rotated, after the optical fiber body 3 is fixed, the pushing block 5 is loosened, the positioning column 6 extends out under the action of the first return spring 12 to be engaged with the first limiting groove 11 again, so as to fix the gland head connecting cover 4 and avoid the looseness of the optical fiber under the influence of vibration, the overall stability of the device is improved.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a fixed structure subassembly of multicore fiber coupling end, includes optic fibre mounting (1), optic fibre body (3), rubber pad (10), first reset spring (12) and second reset spring (13), its characterized in that: the right side of the optical fiber fixing piece (1) is connected with a four-hole Glan head (2), the right end of the four-hole Glan head (2) is connected with a Glan head connecting cover (4), the right side of the Glan head connecting cover (4) is provided with an optical fiber body (3), the upper end and the lower end of the four-hole Glan head (2) are fixedly provided with connecting plates (7), the left side of each connecting plate (7) is provided with a clamping column (8), the inner side of each clamping column (8) is provided with a second limiting groove (14), a second reset spring (13) is installed inside each connecting plate (7), the inner side of each second reset spring (13) is connected with a fixing column (9), the inner side of each fixing column (9) is fixedly provided with a rubber pad (10), the surface of the Glan head connecting cover (4) is provided with a push block (5), the lower part of the push block (5) is connected with a positioning column (6), and the right end of, a first limiting groove (11) is formed in the outer side of the left end of the positioning column (6), the first limiting groove (11) is formed in the surface of the four-hole flange head (2), and fastening holes (15) are formed in the four-hole flange head (2).

2. The multi-core fiber coupling termination fixture assembly of claim 1, wherein: the inside of four-hole lattice orchid head (2) is provided with 4 fastening holes (15) at equal intervals, the fastening holes (15) and the optical fiber body (3) are in one-to-one correspondence, and the optical fiber body (3) tightly penetrates through the fastening holes (15) inside the four-hole lattice orchid head (2).

3. The multi-core fiber coupling termination fixture assembly of claim 1, wherein: the push block (5) and the positioning column (6) are integrally connected, and the positioning column (6) and the gland head connecting cover (4) form a telescopic structure through a first return spring (12).

4. The multi-core fiber coupling termination fixture assembly of claim 1, wherein: the positioning column (6) is connected with the first limiting groove (11) in a clamping mode, and the first limiting groove (11) is evenly distributed on the surface of the four-hole flange head (2) in an annular mode by means of the center of the four-hole flange head (2).

5. The multi-core fiber coupling termination fixture assembly of claim 1, wherein: the clamp is characterized in that a concave-convex matching structure is arranged between the inner side of the clamp column (8) and the second limiting groove (14), a telescopic structure is formed between the fixing column (9) on the inner side of the clamp column (8) and the connecting plate (7) through the second reset spring (13), and the connecting plate (7) and the four-hole lattice flange head (2) are integrally connected.