High-power optical fiber beam combiner

Abstract

The utility model discloses a high-power optical fiber combiner, which comprises a base, a cover plate and a U-shaped block, the cover plate is fixedly connected with the base through a bolt, the U-shaped block is fixedly arranged at the bottom of the base, the two sides of the front side of the base are fixedly connected with L-shaped plates, the bottoms of the front sides of the L-shaped plates are fixedly connected with first limiting plates, and the first limiting plates are fixedly connected with second limiting plates. A sliding groove is formed in the front side of the L-shaped plate, and a second limiting plate is slidably connected to the inner wall of the sliding groove. Through the arrangement of the first limiting plate, the second limiting plate, the limiting groove and the adjusting assembly, the adjusting assembly can effectively drive the second limiting plate to be adjusted downwards, the first limiting plate and the second limiting plate are attached, the limiting groove can limit and fix optical fibers, and the problem that after multiple sets of optical fibers are connected, due to the fact that a limiting structure is not arranged, the optical fibers cannot be limited and fixed is solved. The problem that the optical fiber beam combiner cannot be normally used due to the fact that the optical fiber beam combiner is broken due to the fact that the optical fiber beam combiner is pulled by external force in the installation or maintenance process of the optical fiber beam combiner is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber combiners, in particular to a high-power optical fiber combiner. Background Art

[0002] With the rapid development and maturity of fiber laser technology, the characteristics and advantages of fiber lasers have gradually been recognized by people and have been widely used in the fields of national defense, industrial processing, medical treatment, meteorology, etc.; and the fiber combiner is one of the core components of high-power fiber lasers. The fiber combiner is a fiber device prepared on the basis of the Taper Fused Fiber Bundle (TFB), which is a bundle of optical fibers stripped of their coating, and then arranged together in a certain way, heated at high temperature to melt them, and at the same time stretched the fiber bundle in opposite directions, and the heated area of ​​the fiber melted to form a fused tapered fiber bundle.

[0003] At present, a Chinese utility model with publication number CN218767461U discloses a fiber optic combiner, including a fiber optic combiner body, the fiber optic combiner body including a cover plate and a base, wherein a cover plate is provided on the top of the fiber optic combiner body, the bottom of the cover plate is installed by the base, a groove is provided at the bottom of the base, a threaded hole is provided at the center of the inner top of the groove, a self-adhesive sticker is provided on the inner side of the groove, an oil film paper is pasted on the bottom of the self-adhesive sticker, and a through hole is provided at the center of the bottom of the oil film paper. In the utility model, the self-adhesive sticker and the U-shaped block are used to make the fiber optic combiner directly pasted on a plane after the optical fiber is melted into a fused cone optical fiber bundle, or the fiber optic combiner can be installed and positioned by clamping on a bracket and a plate edge, thereby effectively solving the problem that the traditional fiber optic combiner is directly placed at the installation position after the optical fiber is connected, resulting in the breaking of the optical fiber when the fiber optic combiner shakes.

[0004] Based on the search of the above patents and in combination with the equipment in the prior art, it is found that although the above equipment can solve the problem that after the fiber optic combiner completes the connection of the optical fiber bundles, the fiber optic combiner is directly placed at the installation position without being installed and fixed, which easily causes the optical fiber to be torn when the fiber optic combiner shakes, during use, after multiple groups of optical fibers are connected, since no limiting structure is set, external force will be pulled on the optical fiber during the installation or maintenance of the fiber optic combiner, causing the optical fiber to break, resulting in the fiber optic combiner being unable to be used normally. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a high-power fiber optic combiner with the advantage of a limiting function, which solves the problem that after multiple groups of optical fibers are connected, due to the lack of a limiting structure, external force will be pulled on the optical fibers during the installation or maintenance of the fiber combiner, causing the optical fibers to break and resulting in the fiber optic combiner being unable to be used normally.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-power fiber optic combiner, comprising a base, a cover plate and a U-shaped block, the cover plate is fixedly connected to the base by bolts, the U-shaped block is fixedly installed on the bottom of the base, both sides of the front side of the base are fixedly connected with L plates, the bottom of the front side of the L plate is fixedly connected with a first limit plate, the front side of the L plate is provided with a slide groove, the inner wall of the slide groove is slidably connected with a second limit plate, the inner sides of the first limit plate and the second limit plate are provided with limit grooves, the number of the limit grooves is arranged in several groups and is equidistantly distributed, the bottom of the inner wall of the slide groove is movably connected with an adjustment component through a bearing, and the front sides of the first limit plate and the second limit plate are fixedly connected with a protective component.

[0007] As a preferred embodiment of the utility model, the adjusting assembly includes a screw, which is movably connected to the bottom of the inner wall of the slide groove through a bearing, and the top of the screw passes through the top of the L-plate. Screw holes are provided on both sides of the top of the second limiting plate, and the surface of the screw is threadedly connected to the inner wall of the screw hole, and the top of the screw is fixedly connected to a rotating disk.

[0008] As a preferred embodiment of the utility model, the protective assembly includes a connecting block, which is fixedly connected to the front sides of the first limiting plate and the second limiting plate. The connecting blocks are arranged in several groups and are distributed at equal distances, and a protective cover is fixedly connected to the front side of the connecting block.

[0009] As a preferred embodiment of the present invention, movable grooves are provided on both sides of the inner wall of the slide groove, and balls are movably connected to the inner wall of the movable groove, and the balls are movably embedded in the surface of the second limiting plate.

[0010] As a preferred embodiment of the utility model, a protective pad is fixedly connected to the surface of the limiting groove, and the protective pad is made of rubber material.

[0011] As a preferred embodiment of the utility model, the surfaces of the first limiting plate and the second limiting plate are both provided with heat dissipation holes, the heat dissipation holes are arranged in several groups and are distributed at equal distances, and the inner sides of the heat dissipation holes are connected with the outer sides of the limiting grooves.

[0012] As a preferred embodiment of the utility model, the front and rear sides of both sides of the bottom of the second limiting plate are fixedly connected to limiting rods, the front and rear sides of both sides of the top of the first limiting plate are provided with limiting holes, and the surface of the limiting rod is movably connected to the inner wall of the limiting hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model provides a first limit plate, a second limit plate, a limit groove and an adjustment component, so that the adjustment component can effectively drive the second limit plate to adjust downward, so that the first limit plate and the second limit plate fit together, and the limit groove can limit and fix the optical fiber. This solves the problem that after multiple groups of optical fibers are connected, due to the lack of a limit structure, external force will be pulled on the optical fiber during the installation or maintenance of the fiber combiner, which will cause the optical fiber to break and the optical fiber combiner cannot be used normally. The utility model has the advantage of a limit function.

[0015] 2. The utility model can effectively make the rotating disk drive the screw to rotate by setting an adjustment component, so that the screw slides inside the slide groove, and then the screw drives the second limit plate to move downward through the screw hole, so that the second limit plate is adjusted and attached to the first limit plate.

[0016] 3. The utility model can effectively fix the connecting block to the protective sleeve by setting a protective component, and the optical fiber can be covered by the protective sleeve. The bending degree of the optical fiber can be reduced by the curved setting of the inside of the protective sleeve, thereby protecting the optical fiber and preventing the optical fiber from breaking due to excessive bending angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the second limiting plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal three-dimensional structure of the chute of the utility model;

[0020] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. base; 2. cover plate; 3. U-shaped block; 4. L-plate; 5. first limit plate; 6. slide groove; 7. second limit plate; 8. limit groove; 9. adjustment component; 91. screw rod; 92. screw hole; 93. rotating disk; 10. protection component; 101. connecting block; 102. protection cover; 11. movable groove; 12. ball bearing; 13. protection pad; 14. heat dissipation hole; 15. limit rod; 16. limit hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 4 As shown, the utility model provides a high-power optical fiber combiner, including a base 1, a cover plate 2 and a U-shaped block 3. The cover plate 2 is fixedly connected to the base 1 by bolts, and the U-shaped block 3 is fixedly installed on the bottom of the base 1. Both sides of the front side of the base 1 are fixedly connected with L plates 4, and the bottom of the front side of the L plate 4 is fixedly connected with a first limit plate 5. A slide groove 6 is provided on the front side of the L plate 4, and a second limit plate 7 is slidably connected to the inner wall of the slide groove 6. Limiting grooves 8 are provided on the inner sides of the first limit plate 5 and the second limit plate 7. The number of limit grooves 8 is arranged in several groups and is equidistantly distributed. The bottom of the inner wall of the slide groove 6 is movably connected with an adjusting component 9 through a bearing, and the front sides of the first limit plate 5 and the second limit plate 7 are fixedly connected with a protective component 10.

[0024] refer to Figure 2 and Figure 3 The adjusting assembly 9 includes a screw 91, which is movably connected to the bottom of the inner wall of the slide groove 6 through a bearing, and the top of the screw 91 passes through the top of the L plate 4. Screw holes 92 are provided on both sides of the top of the second limiting plate 7. The surface of the screw 91 is threadedly connected to the inner wall of the screw hole 92, and the top of the screw 91 is fixedly connected to a rotating disk 93.

[0025] As a technical optimization scheme of the utility model, by setting the adjustment component 9, the rotating disk 93 can effectively drive the screw 91 to rotate, so that the screw 91 slides inside the slide groove 6, and then the screw 91 drives the second limit plate 7 to move downward through the screw hole 92, so that the second limit plate 7 is adjusted and fits with the first limit plate 5.

[0026] refer to Figure 1 and Figure 4 The protection component 10 includes a connecting block 101, which is fixedly connected to the front side of the first limiting plate 5 and the second limiting plate 7. The connecting blocks 101 are arranged in several groups and are distributed at equal distances. The front side of the connecting block 101 is fixedly connected to a protective cover 102.

[0027] As a technical optimization solution of the utility model, by setting up the protective component 10, the connecting block 101 can effectively fix the protective cover 102, the optical fiber can be covered by the protective cover 102, and the inner curved setting of the protective cover 102 can reduce the bending degree of the optical fiber, thereby protecting the optical fiber and preventing the optical fiber from breaking due to excessive bending angle.

[0028] refer to Figure 2 and Figure 3 Both sides of the inner wall of the slide groove 6 are provided with movable grooves 11 , and the inner wall of the movable groove 11 is movably connected with a ball 12 , and the ball 12 is movably embedded in the surface of the second limiting plate 7 .

[0029] As a technical optimization solution of the utility model, by setting the movable groove 11 and the ball 12, the ball 12 can be effectively driven to move when the second limit plate 7 is adjusted, so that the ball 12 slides inside the slide groove 6, thereby assisting the second limit plate 7 in adjusting and preventing the second limit plate 7 from getting stuck when adjusting.

[0030] refer to Figure 2 and Figure 4 A protective pad 13 is fixedly connected to the surface of the limiting groove 8, and the protective pad 13 is made of rubber.

[0031] As a technical optimization solution of the utility model, by setting a protective pad 13, the limiting groove 8 can effectively fix the protective pad 13, and the protective pad 13 made of rubber material can protect the surface of the optical fiber to avoid scratches on the surface when the limiting groove 8 limits the position of the optical fiber.

[0032] refer to Figure 2 and Figure 3 The surfaces of the first limiting plate 5 and the second limiting plate 7 are both provided with heat dissipation holes 14 , and the number of the heat dissipation holes 14 is arranged in several groups and is distributed at equal distances, and the inner side of the heat dissipation holes 14 is connected to the outer side of the limiting groove 8 .

[0033] As a technical optimization solution of the utility model, by setting the heat dissipation hole 14, the heat dissipation hole 14 can be effectively connected with the limiting groove 8. When the optical fiber inside the limiting groove 8 generates heat, the heat can be discharged through the heat dissipation hole 14, avoiding damage to the optical fiber due to the inability to discharge heat.

[0034] refer to Figure 3 and Figure 4 The front and rear sides of both sides of the bottom of the second limiting plate 7 are fixedly connected to the limiting rod 15, and the front and rear sides of both sides of the top of the first limiting plate 5 are provided with limiting holes 16, and the surface of the limiting rod 15 is movably connected to the inner wall of the limiting hole 16.

[0035] As a technical optimization scheme of the utility model, by setting the limit rod 15 and the limit hole 16, the limit rod 15 can be effectively driven to move downward when the second limit plate 7 is adjusted, so that the limit rod 15 is inserted into the limit hole 16 on the surface of the first limit plate 5, so that the first limit plate 5 and the second limit plate 7 are accurately fitted, avoiding the first limit plate 5 and the second limit plate 7 from being offset.

[0036] The working principle and use process of the utility model are as follows: when in use, the user first melts the optical fiber into a molten cone optical fiber bundle through the base 1 and the cover plate 2, and then puts the optical fiber between the first limiting plate 5 and the second limiting plate 7. Then, the user rotates the screw rod 91 by turning the handle, and the rotation of the screw rod 91 inside the screw hole 92 can drive the second limiting plate 7 to move downward, so that the first limiting plate 5 and the second limiting plate 7 are fitted together, and then the optical fiber can be limited and fixed through the limiting groove 8, which can prevent the optical fiber from being pulled by external force and causing breakage, thereby achieving the effect of the limiting function, and through the limiting The protective pad 13 inside the positioning groove 8 can protect the surface of the optical fiber to avoid damage to the surface when the optical fiber is limited and fixed. Then the optical fiber is inserted into the inside of the protective sleeve 102, and the optical fiber can be covered by the protective sleeve 102. The inner curved setting of the protective sleeve 102 can reduce the bending degree of the optical fiber, thereby protecting the optical fiber and preventing the optical fiber from breaking due to excessive bending angle, thereby achieving the effect of the protective function. When the optical fiber generates heat during use, the heat generated by the optical fiber can be discharged outwardly through the heat dissipation hole 14 to prevent the optical fiber from being damaged due to the inability to discharge the heat.

[0037] To sum up: this high-power fiber optic combiner, by setting a first limit plate 5, a second limit plate 7, a limit groove 8 and an adjustment component 9, can effectively enable the adjustment component 9 to drive the second limit plate 7 to adjust downward, so that the first limit plate 5 and the second limit plate 7 are in contact with each other, and the limit groove 8 can limit and fix the optical fiber, which solves the problem that after multiple groups of optical fibers are connected, due to the lack of a limit structure, external force will be pulled on the optical fiber during the installation or maintenance of the fiber combiner, which will cause the optical fiber to break and the fiber optic combiner cannot be used normally.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-power optical fiber combiner, comprising a base (1), a cover plate (2) and a U-shaped block (3), characterized in that: The cover plate (2) is fixedly connected to the base (1) by bolts, the U-shaped block (3) is fixedly installed on the bottom of the base (1), both sides of the front side of the base (1) are fixedly connected with L plates (4), the bottom of the front side of the L plate (4) is fixedly connected with a first limit plate (5), the front side of the L plate (4) is provided with a slide groove (6), the inner wall of the slide groove (6) is slidably connected with a second limit plate (7), the inner sides of the first limit plate (5) and the second limit plate (7) are provided with limit grooves (8), the number of the limit grooves (8) is arranged in a plurality of groups and is equidistantly distributed, the bottom of the inner wall of the slide groove (6) is movably connected with an adjustment component (9) through a bearing, and the front sides of the first limit plate (5) and the second limit plate (7) are fixedly connected with a protective component (10).

2. A high-power optical fiber combiner according to claim 1, characterized in that: The adjusting assembly (9) comprises a screw rod (91), wherein the screw rod (91) is movably connected to the bottom of the inner wall of the slide groove (6) through a bearing, and the top of the screw rod (91) penetrates to the top of the L plate (4). Screw holes (92) are provided on both sides of the top of the second limiting plate (7), and the surface of the screw rod (91) is threadedly connected to the inner wall of the screw hole (92). The top of the screw rod (91) is fixedly connected to a rotating disk (93).

3. The high-power optical fiber combiner according to claim 1, characterized in that: The protective assembly (10) comprises a connecting block (101), wherein the connecting block (101) is fixedly connected to the front side of the first limiting plate (5) and the second limiting plate (7), wherein the connecting blocks (101) are arranged in a plurality of groups and are distributed at equal distances, and a protective sleeve (102) is fixedly connected to the front side of the connecting block (101).

4. The high-power optical fiber combiner according to claim 1, characterized in that: Both sides of the inner wall of the slide groove (6) are provided with movable grooves (11), the inner wall of the movable groove (11) is movably connected with a ball (12), and the ball (12) is movably embedded in the surface of the second limiting plate (7).

5. The high-power optical fiber combiner according to claim 1, characterized in that: A protective pad (13) is fixedly connected to the surface of the limiting groove (8), and the protective pad (13) is made of rubber material.

6. The high-power optical fiber combiner according to claim 1, characterized in that: The surfaces of the first limiting plate (5) and the second limiting plate (7) are both provided with heat dissipation holes (14), the heat dissipation holes (14) are arranged in a plurality of groups and are distributed at equal distances, and the inner sides of the heat dissipation holes (14) are connected to the outer sides of the limiting grooves (8).

7. The high-power optical fiber combiner according to claim 1, characterized in that: The front and rear sides of the bottom of the second limiting plate (7) are fixedly connected to limiting rods (15), the front and rear sides of the top of the first limiting plate (5) are provided with limiting holes (16), and the surface of the limiting rod (15) is movably connected to the inner wall of the limiting hole (16).

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