CN218547054U

CN218547054U - Coupler capable of using multi-size optical fiber

Info

Publication number: CN218547054U
Application number: CN202222274813.2U
Authority: CN
Inventors: 姚静
Original assignee: Wuhan Crown Yu Century Technology & Technology Co ltd
Current assignee: Wuhan Crown Yu Century Technology & Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-02-28
Anticipated expiration: 2032-08-29

Abstract

The utility model relates to a passive component technical field of light specifically is a can use coupler of multi-size optic fibre, including sleeve pipe and coupling connector, sheathed tube one end is provided with the clamp splice, the swivel nut has been cup jointed in the activity on the sleeve pipe, the sheathed tube other end is provided with the bulb, and has cup jointed the lock sleeve on the bulb, the lock sleeve is connected with the nipple, and the nipple symmetry sets up the both ends at connection end block, fixed mounting has coupling connector in the connection end block. The utility model discloses a set up clamp splice cooperation swivel nut for this device can carry out the centre gripping to unidimensional optic fibre and fix, thereby can be applicable to the coupling work of unidimensional optic fibre, simultaneously when connecting two sets of optic fibre, the accessible slope or rotate the position that the bulb adjusted the fiber end, and the lock sleeve of deuterogamying locks the angle, with this problem that appears horizontal dislocation or angle slope when solving the fiber end coupling.

Description

Coupler capable of using multi-size optical fiber

Technical Field

The utility model relates to a passive component technical field of light specifically is a coupler that can use many sizes optic fibre.

Background

An optical fiber coupler is a common passive optical element for extending an optical fiber link, which is also called a splitter, a connection adapter or an optical fiber flange, and there are many types of existing optical fiber couplers, and a single type of optical fiber coupler can only be applied to a single-size optical fiber under normal circumstances, and when the ends of two optical fibers are contacted in the coupler, the outer diameter of the end face of the optical fiber and the inner diameter of the coupler cannot be completely adapted due to production errors or insertion and extraction wear, and bending and tilting occur during the operation when the optical fiber is inserted into the coupler, which can cause the situation that the centers of the end faces are excessively shifted such as transverse dislocation or angular tilting when two groups of optical fibers are connected, thereby bringing unnecessary additional connection loss.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a coupler capable of using multi-size optical fibers, which solves the problems of the prior art that the types of the optical fiber couplers proposed in the background art are numerous, the optical fiber coupler of a single type can only be applied to the optical fiber of a single size under normal conditions, and when the ends of two optical fibers are contacted in the coupler, the problem of connection loss may occur due to the transverse dislocation or the angle inclination of the ends of the optical fibers.

In order to achieve the above object, the utility model provides a following technical scheme: the coupler capable of using the multi-size optical fibers comprises a sleeve and a coupling connector, wherein one end of the sleeve is provided with a clamping block, a threaded sleeve is movably sleeved on the sleeve, the other end of the sleeve is provided with a ball head, a locking sleeve is sleeved on the ball head and connected with a threaded head, the threaded heads are symmetrically arranged at two ends of a connecting end block, and the coupling connector is fixedly arranged in the connecting end block.

Preferably, the clamp splice annular equidistance array sets up at the tip of sleeve pipe, the internal surface of clamp splice flushes with the inner wall of sleeve pipe, the outer wall of clamp splice is the slope form, and this structure is used for after the swivel nut moves gradually towards the clamp splice, can restraint the clamp splice inwards gradually to make the internal diameter of clamp splice can reduce gradually, come to carry out the centre gripping to the optic fibre that does not pass through the size and fix with this.

Preferably, the outer wall of the sleeve is provided with external threads, the threaded sleeve is sleeved on the sleeve through the threads, an opening corner of one end, close to the clamping block, of the threaded sleeve is arc-shaped, and the structure is used for facilitating the threaded sleeve to move towards the clamping block through the threads and extrude and bundle the threaded sleeve towards the inner side to clamp and fix the optical fiber.

Preferably, the fixed stopper that has cup jointed on the sleeve pipe, the swivel nut is in between clamp splice and the stopper, swivel nut and stopper are equilateral hexagon, and this structure is used for conveniently coming the swivel nut through the spanner and rotates, or fixes the stopper, rotates the swivel nut again to this makes things convenient for the swivel nut to remove and closes the clamp splice towards inboard extrusion.

Preferably, one end of the locking sleeve, which is close to the connecting end block, is provided with a thread groove matched with the thread head, the thread head is inserted into the thread groove through threads, the inner diameter of the locking sleeve is larger than the diameter of the sleeve, the locking sleeve and the connecting end block are tightly connected through the structure, and the distance between the locking sleeve and the connecting end block can be changed through threaded connection, so that the ball head can be clamped and fixed.

Preferably, a first ball groove is formed in the locking sleeve, a second ball groove is formed in the opening of the threaded head, the first ball groove and the second ball groove are matched with the outer wall of the ball head, and the structure is used for clamping and fixing the first ball groove and the second ball groove which can be tightly attached to the outer wall of the ball head once when the locking sleeve and the threaded head are tightly connected through threads, so that the rotating angle of the ball head is locked.

Preferably, the locking sleeve and the outer wall of the connecting end block are both provided with anti-slip convex strips in an annular array, and the structure is used for increasing the friction force of fingers when the locking sleeve and the connecting end block are rotated and connecting the outer wall of the end block, so that the rotating operation is convenient.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses, through setting up clamp splice cooperation swivel nut for this device can carry out the centre gripping to unidimensional optic fibre and fix, thereby can be applicable to the coupling work of unidimensional optic fibre, simultaneously when connecting two sets of optic fibre, the accessible slope or rotate the position that the bulb adjusted the fiber end, and the lock sleeve of deuterogamying locks the angle, with this problem that appears horizontal dislocation or angle slope when solving the fiber end coupling.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

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

fig. 3 is a schematic view of the structure of the present invention;

fig. 4 is a schematic structural view of the middle clamping block of the present invention.

In the figure: 1. a sleeve; 2. a clamping block; 3. a threaded sleeve; 4. a limiting block; 5. a ball head; 6. a locking sleeve; 7. a thread groove; 8. a first ball groove; 9. a screw head; 10. a second ball groove; 11. connecting the end block; 12. and coupling the connector.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, the present invention provides an embodiment: a coupler capable of using multi-size optical fibers comprises a sleeve 1 and a coupling connector 12, wherein one end of the sleeve 1 is provided with clamping blocks 2, the clamping blocks 2 are annularly arranged at the end of the sleeve 1 in an equidistant mode, the inner surfaces of the clamping blocks 2 are flush with the inner wall of the sleeve 1, the outer wall of each clamping block 2 is inclined, the cross section of each clamping block 2 is in a right-angle T shape, the thickness of each clamping block 2 is gradually increased from the sleeve 1 to the outer side, the inner diameters of six groups of clamping blocks 2 in an annular array are the same as the inner diameter of the sleeve 1, anti-skidding threads are arranged on the inner wall of each clamping block 2, the outer diameters of the six groups of clamping blocks 2 in the annular array are gradually increased from the sleeve 1 to the outer side to form a truncated cone-like shape, and the outer diameters of the ends, connected with the sleeve 1, of the six groups of clamping blocks 2 are smaller than the inner diameter of an opening, close to one side of the clamping blocks 2, of a screw sleeve 3, when the optical fiber connector is used, an optical fiber is firstly inserted into the clamping block 2 until the optical fiber penetrates through the sleeve 1 and penetrates out of the ball head 5 to a designated length, the limiting block 4 is held, the screw sleeve 3 is rotated, the screw sleeve 3 moves towards the clamping block 2 through the thread, the clamping block 2 is gradually moved upwards to extrude the clamping block 2 towards the inner side, and the clamping block 2 is contracted and clamped and fixed by the optical fiber on the inner side;

the other end of the sleeve 1 is provided with a bulb 5, a locking sleeve 6 is sleeved on the bulb 5, the locking sleeve 6 is connected with a thread head 9, the thread heads 9 are symmetrically arranged at two ends of a connecting end block 11, one end of the locking sleeve 6 close to the connecting end block 11 is provided with a thread groove 7 matched with the thread head 9, the thread head 9 is inserted in the thread groove 7 through threads, the inner diameter of the locking sleeve 6 is larger than the diameter of the sleeve 1, a first ball groove 8 is arranged in the locking sleeve 6, a second ball groove 10 is arranged at an opening of the thread head 9, the first ball groove 8 and the second ball groove 10 are matched with the outer wall of the bulb 5, the locking sleeve 6 and the outer wall of the connecting end block 11 are both provided with anti-skid convex strips in an annular array, a coupling connector 12 is fixedly arranged in the connecting end block 11, the coupling connector 12 is arranged in the connecting end block 11 through gluing, the anti-skid convex strips can be selected according to the applicable optical fiber size, the text and the figures 1 to 4 are combined, after the optical fibers are installed on the two groups of sleeves 1, the optical fibers are inserted into the coupling connector 12, and the locking sleeve 6 is rotated to connect and fix the locking sleeve 6 with the threaded head 9 through the threaded groove 7, in the process, if equipment such as an optical fiber core concentricity detection machine or an optical fiber coupler calibration device and a system detect that the optical fibers have transverse dislocation of the end surfaces in the coupling connector 12 or incline when the optical fibers are inserted, the sleeves 1 can be inclined to move, so that the ball heads 5 rotate to change the angle and the position of the end heads of the optical fibers, the problem of dislocation or incline of the end heads of the optical fibers is adjusted and compensated, then after connection loss is eliminated, the locking sleeve 6 is continuously rotated to ensure that the locking sleeve 6 is continuously and tightly connected with the threaded head 9 through the threaded groove 7, so that the locking sleeve 6 and the threaded head 9 clamp and position the ball heads 5 through the first spherical groove 8 and the second spherical groove 10, and keeping the adjusted angle.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A coupler for use with multi-sized optical fibers, comprising a ferrule (1) and a coupling connector (12), characterized in that: the clamping block (2) is arranged at one end of the sleeve (1), the threaded sleeve (3) is movably sleeved on the sleeve (1), the ball head (5) is arranged at the other end of the sleeve (1), the locking sleeve (6) is sleeved on the ball head (5), the locking sleeve (6) is connected with the threaded head (9), the threaded heads (9) are symmetrically arranged at two ends of the connecting end block (11), and the coupling connector (12) is fixedly arranged in the connecting end block (11).

2. A coupler according to claim 1, for use with a multi-sized optical fiber, wherein: the annular equidistant array of clamp splice (2) sets up in the end department of sleeve pipe (1), the internal surface of clamp splice (2) flushes with the inner wall of sleeve pipe (1), the outer wall of clamp splice (2) is the slope form.

3. A coupler according to claim 1, for use with a multi-sized optical fiber, wherein: the outer wall of the sleeve (1) is provided with external threads, the threaded sleeve (3) is sleeved on the sleeve (1) through the threads, and the opening corner of one end, close to the clamping block (2), of the threaded sleeve (3) is arc-shaped.

4. A coupler according to claim 1, for use with a multi-sized optical fiber, wherein: the sleeve is characterized in that a limiting block (4) is fixedly sleeved on the sleeve (1), the threaded sleeve (3) is located between the clamping block (2) and the limiting block (4), and the threaded sleeve (3) and the limiting block (4) are both equilateral hexagons.

5. A coupler according to claim 1, for use with multiple size optical fibers, wherein: one end, close to the connecting end block (11), of the locking sleeve (6) is provided with a thread groove (7) matched with the thread head (9), the thread head (9) is inserted in the thread groove (7) through threads, and the inner diameter of the locking sleeve (6) is larger than the diameter of the sleeve (1).

6. A coupler according to claim 1, for use with a multi-sized optical fiber, wherein: a first ball groove (8) is formed in the locking sleeve (6), a second ball groove (10) is formed in the opening of the threaded head (9), and the first ball groove (8) and the second ball groove (10) are matched with the outer wall of the ball head (5).

7. A coupler according to claim 1, for use with a multi-sized optical fiber, wherein: the locking sleeve (6) and the outer wall of the connecting end block (11) are provided with anti-skid convex strips in an annular array.