CN218647185U

CN218647185U - Multi-angle adjustable optical fiber coupler

Info

Publication number: CN218647185U
Application number: CN202123348639.3U
Authority: CN
Inventors: 朱建赟; 张建
Original assignee: Chengdu Xinwujieopto Technology Co ltd
Current assignee: Chengdu Xinwujieopto Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-03-17
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses an optical fiber coupler capable of being adjusted in multiple angles, which relates to the technical field of optical fiber couplers and solves the problem that the existing optical fiber coupler can not realize the precise adjustment in multiple angles in the horizontal and vertical directions simultaneously, and comprises a pitching plate, a multi-group reset structure, an upper slider, a lower slider, a plurality of tension springs, a plurality of optical screws and a plurality of locking nuts; a groove is formed in the coupler body; one end of the tension spring is connected to the bottom of the coupler body and is connected to the pitching plate, the optical screw penetrates through the pitching plate and the coupler body, threads are arranged on the optical screw, and the locking nut is sleeved on the optical screw in a manner of clinging to the upper surface of the pitching plate; the upper sliding block and the lower sliding block are arranged in the groove; the spring pressing plate is fixed on the side surface of the coupler main body, and the optical lens is fixed on the upper sliding block; the reset structure comprises a top pin and a reset spring, one end of the reset spring is fixed on the spring pressing plate, and the other end of the reset spring is connected to the upper sliding block; the utility model has the advantages of simple structure is small and exquisite and realize the multi-angle and adjust.

Description

Multi-angle adjustable optical fiber coupler

Technical Field

The utility model relates to an optical fiber coupler technical field, more specifically are optical fiber coupler technical field who relates to multi-angle regulation.

Background

Fiber optic couplers are precision instruments for beam alignment, and fiber optic couplers and fiber optic connectors are the most common fiber optic components in fiber optic cabling systems, which are used for the articulation of optical fibers. The function of the supporting device is to provide a high-precision support for the fiber cores, so that the fiber cores arranged in the fiber connectors at two sides can be aligned in the center and reliably contacted, and light beams can pass through the movable connection with the lowest loss. The optical fiber coupler has the advantages of high aligning speed, high accuracy and the like, so that the optical fiber coupler is very wide in optical application, can directly align the light beam to the center or intersection point of the lens through precise adjustment, and can ensure a quick and effective structural tool.

The existing product generally only has a horizontal direction adjusting module, can only provide horizontal direction adjustment, and has small parts with the functions of longitudinal adjustment and small adjustment of incident angles. The multi-angle precision adjustment of the optical fiber coupler is realized, and the precision and the application range of the optical fiber coupler at different adjustment angles can be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the problem of current fiber coupler can't realize the accurate regulation of multi-angle simultaneously in level and vertical direction is solved. In order to solve the technical problem, the utility model provides an optical fiber coupler that multi-angle was adjusted.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

an optical lens is arranged in a coupler main body, and comprises a pitching plate, a plurality of groups of reset structures, an upper slide block, a lower slide block, a plurality of tension springs, a plurality of optical screws and a plurality of locking nuts; a groove is formed in the coupler body;

one end of the tension spring is connected to the bottom of the coupler body, the other end of the tension spring penetrates through the coupler body to be connected to the pitching plate, the optical screw sequentially penetrates through the pitching plate and the coupler body from top to bottom, threads are arranged on the optical screw, and the locking nut is sleeved on the optical screw in a manner of clinging to the upper surface of the pitching plate;

the upper sliding block and the lower sliding block are arranged in the groove, the lower surface of the upper sliding block and the upper surface of the groove are respectively provided with a positioning lug, the upper surface and the lower surface of the lower sliding block are respectively provided with a cross-shaped positioning track, the positioning lug of the groove is arranged in the positioning track on the lower surface of the lower sliding block, and the positioning lug of the upper sliding block is arranged in the positioning track on the upper surface of the lower sliding block;

the spring pressing plate is fixed on the side face of the coupler main body, and the optical lens is fixed on the upper sliding block; the reset structure comprises a top pin and a reset spring, one end of the reset spring is fixed on the spring pressing plate, and the other end of the reset spring is connected to the side face of the upper sliding block.

Preferably, the number of the optical screws is 4.

Preferably, 4 optical screws are uniformly distributed along the circumferential direction of the pitch plate.

Preferably, the number of the optical screws is 3, and a ball adjusting structure is further included, the ball adjusting structure being sandwiched between the tilt plate and the coupler body.

Preferably, the number of the tension springs is 4.

Preferably, the optical lens is fixed on the upper sliding block through a locking spiral ring.

Preferably, the spring pressing plate is fixed on the side surface of the coupler body through an inner hexagonal socket head cap screw.

Preferably, a plurality of locking screws are mounted on the pitching plate.

The utility model has the advantages as follows:

the multi-angle free adjustment is realized through structures such as the tension spring, the pitching plate and the like, and the adjustment precision is high; the structure adopted for achieving multi-angle adjustment is simple, parts and components are common parts in the market, the cost is low, the realization is easy, and the popularization is convenient; the adjusting method is simple, and the automatic reset can be realized through the reset structure, so that the operation is easy; every single move board is frivolous, and top shoe, lower slider, reset structure are inside as for former coupler body, therefore holistic simple structure and small and exquisite can not additionally increase the volume of coupler and cause extra space occupy the weight of burden.

Drawings

FIG. 1 is a schematic sectional view showing the structure of example 1;

reference numerals: 101-coupler body, 102-hexagon socket head cap screw, 103-spring pressure plate, 104-knock pin, 105-reset spring, 106-tension spring, 107-lower slide block, 108-upper slide block, 109-pitching plate, 110-locking nut, 111-optical screw rod, and 112-locking screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Example 1

As shown in fig. 1, the present embodiment provides a multi-angle adjustable optical fiber coupler, an optical lens is disposed in a coupler body 101, and the optical lens includes a pitching plate 109, a plurality of sets of reset structures, an upper slider 108, a lower slider 107, a plurality of tension springs 106, a plurality of optical screws 111, and a plurality of lock nuts 110; a groove is formed in the coupler body 101;

one end of the tension spring 106 is connected to the bottom of the coupler body 101, the other end of the tension spring 106 penetrates through the coupler body 101 and is connected to the pitching plate 109, the optical screw 111 sequentially penetrates through the pitching plate 109 and the coupler body 101 from top to bottom, threads are arranged on the optical screw 111, and the locking nut 110 is tightly attached to the upper surface of the pitching plate 109 and sleeved on the optical screw 111;

the upper slider 108 and the lower slider 107 are arranged in the groove, the lower surface of the upper slider 108 and the upper surface of the groove are respectively provided with a positioning lug, the upper surface and the lower surface of the lower slider 107 are respectively provided with a cross-shaped positioning track, the positioning lug of the groove is arranged in the positioning track of the lower surface of the lower slider 107, and the positioning lug of the upper slider 108 is arranged in the positioning track of the upper surface of the lower slider 107;

the spring pressing plate 103 is fixed on the side surface of the coupler main body 101, and the optical lens is fixed on the upper sliding block 108; the reset structure comprises a top pin 104 and a reset spring 105, one end of the reset spring 105 is fixed on the spring pressing plate 103, and the other end of the reset spring 105 is connected to the side surface of the upper sliding block 108.

As a preferable solution of this embodiment, the number of the optical screws 111 is 4; the 4 optical screws 111 are uniformly distributed along the circumferential direction of the pitch plate 109; the number of the tension springs 106 is 4; the optical lens is fixed on the upper sliding block 108 through a locking spiral ring; the spring pressing plate 103 is fixed on the side surface of the coupler main body 101 through an inner hexagonal socket head cap screw 102; a plurality of locking screws 112 are mounted on the pitch plate 109.

The working principle of the embodiment is as follows:

two high-precision sliding blocks, namely an upper sliding block 108 and a lower sliding block 107, are arranged in the coupler, the upper sliding block 108 and the lower sliding block 107 are positioned and slide through grooves, an optical fiber head of the coupler is connected to a pitching plate 109, the pitching plate 109 is tensioned and stressed through four tension springs 106, the tension springs 106 are also connected with a coupler base, a user can screw different lock nuts 110 according to use requirements, the lock nuts 110 slide along threads of optical screws 111 according to screwing, the pitching plate 109 can be pressed downwards when the lock nuts 110 are adjusted downwards, then the pitching plate 109 forms an offset angle, the incident angle of a light beam is changed, different offset angles can be formed in different combined adjusting modes, and the pitching plate 109 can be deflected in all directions at real angles. The 4 optical screws 111 are uniformly distributed along the circumferential direction of the pitching plate 109, so that the adjustment of each angle is more convenient, and the situation that the optical screws 111 at a certain section are densely distributed to cause the other side to be not well adjusted does not occur. The locking screw 112 is used for fixing the pitch plate 109 after the adjustment is completed.

When the optical screw 111 on the coupler main body 101 is screwed in, the sliding block is extruded, the sliding block moves along the moving direction of the screw, and at the moment, the return spring 105 connected with the sliding block is stressed and compressed; when the optical screw is withdrawn, the reset spring 1056 releases the elastic force to reset the slider, the spring pressing plate 103 presses the reset spring 105 to fix the reset spring, and the top pin 104 enables the reset spring 105 to better extend and retract, so that the spring is prevented from encountering overlarge friction force. The slider is divided into an upper slider 108 and a lower slider 107, the bottom of the upper slider 108 and the upper surface of the groove are provided with positioning lugs, the upper surface and the lower surface of the lower slider 107 are respectively provided with a cross-shaped positioning track, and the two positioning tracks of the lower slider 107 are respectively matched with the positioning lugs of the upper slider 108 and the positioning lugs of the groove, so that the upper slider 108 and the lower slider 107 can slide in the groove in two moving degrees of freedom in the horizontal direction, and the optical lens on the upper slider 108 moves along with the positioning tracks.

After the direction of the incident light is changed by the locking nut 110 and the position of the optical lens is changed to adjust the light beam to a proper position, the locking nut 110 is stopped being screwed, and then the locking screw 112 is adjusted to fix the position of the tilting plate 109, preventing it from tilting due to the loosening of the locking nut 110.

Example 2

This example is based on the technical solution of example 1.

Unlike embodiment 1, which uses 4 optical screws, the number of the optical screws in this embodiment is 3, and the optical screw further includes a spherical adjustment structure sandwiched between the tilt plate and the coupler body.

Other schemes and principles are consistent with embodiment 1 and are not described in detail herein.

Claims

1. An optical lens is arranged in a coupler body (101) of the multi-angle adjustable optical fiber coupler, and the multi-angle adjustable optical fiber coupler is characterized by comprising a pitching plate (109), a plurality of groups of reset structures, an upper sliding block (108), a lower sliding block (107), a plurality of tension springs (106), a plurality of optical screws (111) and a plurality of locking nuts (110); a groove is formed in the coupler body (101);

one end of the tension spring (106) is connected to the bottom of the coupler body (101), the other end of the tension spring (106) penetrates through the coupler body (101) to be connected to the pitching plate (109), the optical screw (111) sequentially penetrates through the pitching plate (109) and the coupler body (101) from top to bottom, threads are arranged on the optical screw (111), and the locking nut (110) is tightly attached to the upper surface of the pitching plate (109) and sleeved on the optical screw (111);

the upper sliding block (108) and the lower sliding block (107) are arranged in the groove, the lower surface of the upper sliding block (108) and the upper surface of the groove are respectively provided with a positioning lug, the upper surface and the lower surface of the lower sliding block (107) are respectively provided with a cross-shaped positioning track, the positioning lug of the groove is arranged in the positioning track of the lower surface of the lower sliding block (107), and the positioning lug of the upper sliding block (108) is arranged in the positioning track of the upper surface of the lower sliding block (107);

the optical lens coupler further comprises a spring pressing plate (103), wherein the spring pressing plate (103) is fixed on the side face of the coupler main body (101), and the optical lens is fixed on the upper sliding block (108); the reset structure comprises a top pin (104) and a reset spring (105), one end of the reset spring (105) is fixed on the spring pressing plate (103), the other end of the reset spring is connected to the side face of the upper sliding block (108), and the top pin (104) is sleeved outside the reset spring (105).

2. The multi-angle adjustable optical fiber coupler according to claim 1, wherein the number of the optical screws (111) is 4.

3. The multi-angle adjustable fiber coupler of claim 2, wherein 4 optical screws (111) are uniformly distributed along the circumference of the pitch plate (109).

4. The multi-angle adjustable fiber optic coupler of claim 1, wherein the number of the optical screws (111) is 3, further comprising a ball adjustment structure sandwiched between the tilt plate (109) and the coupler body (101).

5. The multi-angle adjustable fiber coupler of claim 1, wherein the number of the tension springs (106) is 4.

6. The multi-angle adjustable fiber coupler of claim 1, wherein the optical lens is fixed on the upper slider (108) by a locking spiral.

7. The multi-angle adjustable optical fiber coupler according to claim 1, wherein the spring pressing plate (103) is fixed on the side surface of the coupler body (101) through an inner hexagonal socket head cap screw (102).

8. The multi-angle adjustable fiber coupler according to claim 1, wherein a plurality of locking screws (112) are mounted on the pitching plate (109).