A fiber laser coupler

By setting arc-shaped guard plates and support rods at the connection of the fiber laser coupler, the limit fixation of the connection is solved, and the problem of bending and breaking of the fiber laser coupler in the prior art is solved, ensuring the stable transmission of the optical fiber and the service life of the equipment.

CN222704761UActive Publication Date: 2025-04-01YISHAN PHOTOELECTRIC TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202421328239.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-04-01
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

Existing fiber laser couplers are prone to bending and breaking in the plug-in position, which affects the long-term use and transmission effect of the fiber.

Method used

A fiber laser coupler is designed, and the limit fixation of the connection point is achieved by setting a curved guard plate at the connection between the connector and the optical fiber line, and connecting the curved guard plate with the protective joint using internal and external support rods.

Benefits of technology

It effectively avoids bending and breaking at the connection, ensures stable transmission of optical fibers, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

This patent discloses a fiber laser coupler, including a fiber laser coupler body, both ends of the fiber laser coupler body are equipped with connectors, and optical fiber lines are inserted in the connectors; slots are opened at both ends of the fiber laser coupler body on the upper side of the connector, and mounting plates are inserted in the slots; fixing holes are opened on the side walls of the mounting plate, and bearing rods are installed in the fixing holes, and protective joints are installed at the ends of the bearing rods; the protective joint is sleeved at the connection between the connector and the optical fiber line; a limiting sleeve is sleeved on the outer upper end of the protective joint, and bearing blocks are installed on the left and right sides of the limiting sleeve; the fiber laser coupler connects two arcs with the data connector through the arrangement of two inner and outer support rods, so that the connection between the connector and the optical fiber line can be limited and fixed to avoid bending at the connection, prevent breakage after long-term use, and avoid affecting the use of optical fiber transmission.
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Description

Technical Field

[0001] This patent relates to the technical field of fiber laser couplers, specifically a fiber laser coupler. Background Art

[0002] Lasers play a unique and vital role in the fields of industry, communications, medicine, scientific research and social life due to their high brightness, high coherence and high collimation. Laser couplers are devices used to couple and collimate optical fibers.

[0003] However, the fiber laser coupler in the prior art still has some shortcomings. For example, in the prior art, the optical fiber is generally plugged into the optical laser coupler body through a connector at one end of the optical fiber. Therefore, the plugging position becomes a stress point. The stress point connection is prone to bending and may break after long-term use, affecting the transmission use of the optical fiber. Therefore, the prior art needs to be improved.

[0004] Patent content

[0005] The purpose of this patent is to provide a fiber laser coupler to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, this patent provides the following technical solutions: a fiber laser coupler, comprising a fiber laser coupler body, both ends of the fiber laser coupler body are equipped with connectors, and an optical fiber line is inserted into the connector;

[0007] Both ends of the fiber laser coupler body are located on the upper side of the connector and slots are provided, and mounting plates are inserted into the slots;

[0008] A fixing hole is provided on the side wall of the mounting plate, a bearing rod is installed in the fixing hole, and a protective joint is installed at the end of the bearing rod;

[0009] The protective joint is sleeved at the connection between the connector and the optical fiber line;

[0010] The outer upper end of the protection joint is sleeved with a limiting sleeve, and bearing blocks are installed on both the left and right sides of the limiting sleeve;

[0011] A support spring is installed at the bottom end of the bearing block, a slider is installed at the end of the support spring, and an outer support rod is installed at the end of the slider;

[0012] The ends of the outer support rods are provided with arc-shaped guard plates, and the arc-shaped guard plates on the left and right sides are clamped on the outside of the optical fiber lines.

[0013] Preferably, inner walls of the two outer support rods are installed with inner support rods, and upper ends of the two inner support rods are installed with L-shaped corner guards, and the L-shaped corner guards are fitted and connected to the side walls of the protective joint.

[0014] Preferably, rubber pads are installed on the upper surfaces of the two bearing blocks.

[0015] Preferably, a clamping block is installed on the inner side wall of the arc-shaped guard plate on one side, and a clamping groove is installed on the inner side wall of the arc-shaped guard plate on the other side, and the clamping block and the clamping groove match each other.

[0016] Preferably, a connection opening is provided at the top end of the protection joint, and the end of the bearing rod is installed in the connection opening.

[0017] Preferably, two receiving grooves are provided on one side of the upper end of the mounting plate located in the slot, a limiting rod is installed in the receiving groove, and two limiting holes are provided on the inner wall at the top end of the slot, and the limiting rod is inserted in the limiting hole.

[0018] Preferably, a stabilizing plate is sleeved on the outside of the limiting rod, a buffer spring is installed on the bottom end of the stabilizing plate, and the bottom end of the buffer spring is connected to the bottom end of the receiving groove.

[0019] Preferably, an air outlet is provided at the top of the main body of the optical fiber laser coupler, and a filter is embedded in the air outlet.

[0020] Compared with the prior art, the beneficial effects of this patent are: the fiber laser coupler has a simple structure and is easy to operate. An arc-shaped guard plate is provided at the connection between the connector of the fiber laser coupler body and the optical fiber line, and the two arcs are connected to the data connector through the setting of two inner and outer support rods, so that the connection between the connector and the optical fiber line can be limited and fixed to avoid bending at the connection, prevent breakage during long-term use, and avoid affecting the use of optical fiber transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of this patent;

[0022] Figure 2 This is a schematic diagram of the mounting plate of this patent;

[0023] Figure 3 This is a schematic diagram of the protection joint of this patent.

[0024] In the figure: 1 fiber laser coupler body, 2 protection joint, 3 connector, 4 mounting plate, 5 arc-shaped guard plate, 6 optical fiber line, 7 outer support rod, 8 inner support rod, 9 L-shaped corner guard, 10 connection port, 11 limit sleeve, 12 slider, 13 support spring, 14 bearing block, 15 rubber cushion, 16 bearing rod, 17 limit hole, 18 limit rod, 19 air outlet, 20 filter, 21 fixing hole, 22 card block, 23 card slot, 24 storage slot, 25 slot, 26 stabilizing plate, 27 buffer spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0026] See also Figure 1 , Figure 2 and Figure 3 This patent provides a technical solution: a fiber laser coupler, including a fiber laser coupler body 1, both ends of the fiber laser coupler body 1 are equipped with connectors 3, and the connector 3 is plugged with an optical fiber line 6. The fiber laser coupler provides power to all electrical devices through an external power supply. When in use, the optical fiber line 6 is inserted into the connector 3;

[0027] The two ends of the fiber laser coupler body 1 are located on the upper side of the connector 3 and slots 25 are provided. The slots 25 are plugged with mounting plates 4, and the mounting plates 4 can be inserted into the slots 25.

[0028] The side wall of the mounting plate 4 is provided with a fixing hole 21, in which a load-bearing rod 16 is installed, and at the end of the load-bearing rod 16 a protection joint 2 is installed, the load-bearing rod 16 is vertically fixed in the fixing hole 21, and the protection joint 2 is fixed to the bottom end of the load-bearing rod 16;

[0029] The protection joint 2 is sleeved at the connection between the connector 3 and the optical fiber 6. After the optical fiber 6 is inserted into the connector 3, the protection joint 2 is sleeved at the connection between the two. The protection joint 2 is made of hard insulating material.

[0030] The outer upper end of the protection joint 2 is sleeved with a limit sleeve 11, and bearing blocks 14 are installed on both the left and right sides of the limit sleeve 11;

[0031] A support spring 13 is installed at the bottom end of the bearing block 14, a slider 12 is installed at the end of the support spring 13, and an outer support rod 7 is installed at the end of the slider 12;

[0032] The ends of the outer support rod 7 are installed with arc-shaped guard plates 5 , and the arc-shaped guard plates 5 on the left and right sides are clamped on the outside of the optical fiber line 6 .

[0033] The middle sections of the side walls of the two arc-shaped guard plates 5 are both installed with outer support rods 7, and the upper ends of the two outer support rods 7 are both installed with sliders 12, so that the two arc-shaped guard plates can be sleeved on the outside of the optical fiber line 1, and the sliders 12 can fit the side walls of the protective joint 2 tightly and move up and down;

[0034] The left and right side walls of the limit sleeve 11 are both equipped with bearing blocks 14, and the upper surfaces of the two sliders 12 are both equipped with support springs 13. The upper end of the left support spring 13 is connected to the left bearing block 14, and the upper end of the right support spring 13 is connected to the right bearing block 14. The support spring 13 pushes the bearing block 14, thereby driving the limit sleeve 11 to move outside the protective joint 2, so that the bearing block 14 can fit with the external equipment, and the assembly at the joint can be more stable.

[0035] The inner walls of the two outer support rods 7 are both installed with inner support rods 8 , and the upper ends of the two inner support rods 8 are both installed with L-shaped corner guards 9 , which are fitted and connected to the side walls of the protection joint 2 .

[0036] The upper surfaces of the two bearing blocks 14 are both installed with rubber pads 15. The rubber pads 15 can make the surface of the bearing blocks 14 softer, more stable when attached to external equipment, and reduce wear.

[0037] A clamping block 22 is installed on the inner side wall of the arc-shaped guard plate 5 on one side, and a clamping groove 23 is installed on the inner side wall of the arc-shaped guard plate on the other side. The clamping block 22 and the clamping groove 23 match each other.

[0038] The top of the protection joint 2 is provided with a connection port 10 , and the end of the load-bearing rod 16 is installed in the connection port 10 . The upper end of the load-bearing rod 16 is fixed in the fixing hole 21 , and the lower end is fixed in the connection port 10 .

[0039] The upper end of the mounting plate 4 is located on one side of the slot 25 and has two receiving slots 24, in which a limiting rod 18 is installed, and the top inner wall of the slot 25 has two limiting holes 17, in which the limiting rod 18 is inserted. After the limiting rod 18 is inserted into the limiting hole 17, the mounting plate 4 is fixed in the slot 25.

[0040] The outer part of the limit rod 18 is provided with a stabilizing plate 26, and the bottom end of the stabilizing plate 26 is installed with a buffer spring 27, and the bottom end of the buffer spring 27 is connected to the bottom end of the receiving groove 24. The limit rod 18 is driven to move in and out of the limit hole 17 through the expansion and contraction of the buffer spring 27.

[0041] An air vent 19 is provided at the top of the fiber laser coupler body 1 , and a filter 20 is embedded in the air vent 19 . The air vent 19 is used to dissipate heat from the inside of the fiber laser coupler body 1 , and the filter 20 is used to prevent dust from entering.

[0042] Working process and principle: When in use, first, insert the optical fiber line 6 into the connector 3, then put the two arc-shaped arc plates 5 on the outside of the optical fiber line 6, put the protective joint 2 on the connection between the connector 3 and the optical fiber line 6, and fix the two, then put the limit sleeve 11 on the outside of the protective joint 2, then fit the slider 12 with the outer wall of the protective joint 2, fit the L-shaped corner guard 9 with the two corners of the protective joint 2, and then move the limit rod 18 downward, and insert the mounting plate 4 into the slot 25. At this time, the limit rod 18 moves in accordance with the top inner wall of the slot 25 under the action of the spring 24 until it extends outward from the limit hole 17, thereby completing the installation of the mounting plate 4.

[0043] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0044] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fiber laser coupler, comprising a fiber laser coupler body (1), characterized in that: Both ends of the fiber laser coupler body (1) are equipped with connectors (3), and an optical fiber line (6) is inserted into the connector (3); Both ends of the fiber laser coupler body (1) are located on the upper side of the connector (3) and are provided with slots (25), and a mounting plate (4) is inserted into the slots (25); A fixing hole (21) is provided on the side wall of the mounting plate (4), a bearing rod (16) is installed in the fixing hole (21), and a protective joint (2) is installed at the end of the bearing rod (16); The protective joint (2) is sleeved at the connection between the connector (3) and the optical fiber line (6); The outer upper end of the protection joint (2) is sleeved with a limit sleeve (11), and bearing blocks (14) are installed on both the left and right sides of the limit sleeve (11); A support spring (13) is installed at the bottom end of the bearing block (14), a slider (12) is installed at the end of the support spring (13), and an outer support rod (7) is installed at the end of the slider (12); The ends of the outer support rod (7) are provided with arc-shaped protective plates (5), and the arc-shaped protective plates (5) on the left and right sides are clamped on the outside of the optical fiber line (6).

2. The optical fiber laser coupler according to claim 1, characterized in that: The inner walls of the two outer support rods (7) are both installed with inner support rods (8), and the upper ends of the two inner support rods (8) are both installed with L-shaped corner guards (9), and the L-shaped corner guards (9) are closely connected to the side walls of the protection joint (2).

3. The optical fiber laser coupler according to claim 1, characterized in that: The upper surfaces of the two bearing blocks (14) are both provided with rubber cushion layers (15).

4. The optical fiber laser coupler according to claim 1, characterized in that: A clamping block (22) is installed on the inner side wall of the arc-shaped guard plate (5) on one side, and a clamping groove (23) is installed on the inner side wall of the arc-shaped guard plate (5) on the other side, and the clamping block (22) and the clamping groove (23) are matched with each other.

5. The optical fiber laser coupler according to claim 1, characterized in that: A connection opening (10) is provided at the top end of the protection joint (2), and the end of the bearing rod (16) is installed in the connection opening (10).

6. The optical fiber laser coupler according to claim 1, characterized in that: The upper end of the mounting plate (4) is provided with two receiving grooves (24) on one side located in the slot (25), a limiting rod (18) is installed in the receiving groove (24), and the top inner wall of the slot (25) is provided with two limiting holes (17), and the limiting rod (18) is inserted into the limiting hole (17).

7. The optical fiber laser coupler according to claim 6, characterized in that: The outer portion of the limiting rod (18) is sleeved with a stabilizing plate (26), the bottom end of the stabilizing plate (26) is installed with a buffer spring (27), and the bottom end of the buffer spring (27) is connected to the bottom end of the receiving groove (24).

8. The optical fiber laser coupler according to claim 1, characterized in that: The top of the fiber laser coupler body (1) is provided with an air outlet (19), and a filter (20) is embedded in the air outlet (19).