Coupling alignment clamp of optical fiber array
By designing a fiber array coupling alignment fixture, and utilizing structures such as bidirectional lead screws and hydraulic push rods, the position of the fiber array is automatically adjusted, solving the problems of low accuracy and damage in manual coupling, and realizing fast and accurate fiber array alignment and protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2026-03-24
AI Technical Summary
When coupling existing fiber optic arrays with optical devices, manual alignment requires high precision, which is time-consuming, labor-intensive, and can easily damage the fiber optic array.
Design a fiber array coupling alignment fixture, which adopts a structure of bidirectional lead screw, rubber pad, hydraulic push rod, etc. By rotating the throttle and handle, the position of the fiber array is automatically adjusted to achieve precise alignment, and the fiber is protected by rubber pad and pressure spring.
It enables rapid and precise alignment of fiber optic arrays, reduces the time and labor intensity of manual adjustments, protects the fiber optic arrays, and reduces the risk of damage.
Smart Images

Figure CN224035673U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to optical fiber array installation technical field, concretely is a kind of coupling alignment fixture of optical fiber array. BACKGROUND
[0002] The coupling of optical fiber array refers to the connection of optical fiber in optical fiber array with other optical devices, such as laser, detector, waveguide, etc., or another optical fiber array, to realize the efficient transmission, conversion or distribution of optical signal, and the purpose is to realize optical signal transmission and improve optical signal quality.
[0003] The existing coupling mode is that the staff manually aligns and connects the end face of optical fiber array with the optical interface of other optical devices, so that optical signal directly enters the device connected therewith from optical fiber. This mode is simple and direct, but the alignment accuracy requirement is high, the staff needs to constantly adjust the position, which is time-consuming and laborious, and manual coupling may also cause damage to optical fiber array, so a special alignment fixture is needed to assist in coupling work. UTILITY MODEL CONTENTS
[0004] In order to overcome the above defects, the utility model provides a coupling alignment fixture of optical fiber array, which solves the problem that the existing coupling mode is that the staff manually aligns and connects the end face of optical fiber array with the optical interface of other optical devices, so that optical signal directly enters the device connected therewith from optical fiber. This mode is simple and direct, but the alignment accuracy requirement is high, the staff needs to constantly adjust the position, which is time-consuming and laborious, and manual coupling may also cause damage to optical fiber array.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a coupling alignment fixture of optical fiber array, comprising a base, a fixed frame is slidably installed in the base, two sliding rods are installed in the fixed frame, a screw rod is installed in the fixed frame through a bearing, an installation block is threadedly connected to the screw rod, two fixed plates are fixedly installed on the installation block, a bidirectional screw rod is installed between the two fixed plates through a bearing, two moving plates are installed on the bidirectional screw rod, telescopic rods are fixedly installed on four corners of the moving plates, a compression spring is sleeved on the telescopic rod, a clamping plate is fixedly installed on the end of the telescopic rod, the end of the compression spring is connected with the clamping plate, and a rubber pad is fixedly installed on the clamping plate.
[0006] As a further scheme of the utility model: a moving groove is formed in the fixed frame, and one end of the bidirectional screw rod passes through the moving groove and is fixedly installed with a handle.
[0007] As a further scheme of the utility model: one end of the screw rod passes through the fixed frame and is fixedly installed with a handle, and limit grooves are formed in the inner walls of the base.
[0008] As a further scheme of the utility model: the fixed frame both sides outer wall is fixed with the moving block, the moving block is installed in the limiting groove.
[0009] As a further scheme of the utility model: the base is slidably installed with the push-pull rod, the push-pull rod passes through the one end of base and is connected with the fixed frame, the base is provided with the locating groove.
[0010] As a further scheme of the utility model: the locating groove is fixed with the hydraulic push rod in four corners, the end of hydraulic push rod is fixed with the installation plate.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1、The optical fiber array coupling alignment clamp, through setting bidirectional screw rod, rubber pad, moving plate, screw rod, when working, the staff places the optical fiber array that needs coupling on the rubber pad installed on the clamping plate, then rotates the handle, the handle rotation drives the bidirectional screw rod to rotate, the bidirectional screw rod rotation drives the two moving plates installed thereon to move towards each other on the bidirectional screw rod, since the four telescopic rods are fixedly installed on the moving plate, the end of telescopic rod is fixedly installed with the clamping plate, so the moving plate moves to drive the telescopic rod and the clamping plate to move synchronously, the clamping plate moves to drive the optical fiber array to move, until the clamping plate clamps the optical fiber array, then rotates the handle, the rotation of handle drives the screw rod to rotate, since the mounting block is threadedly connected on the screw rod, so the screw rod rotation drives the mounting block to move on the screw rod and slide rod, so that the position of optical fiber array can be adjusted to align the interface on the device to be installed, without the staff constantly adjusting the position, saving time and effort.
[0013] 2、The optical fiber array coupling alignment clamp, through setting base, installation plate, fixed frame, hydraulic push rod, when working, the staff places the device that needs optical fiber array coupling on the installation plate, when the optical fiber array is clamped, the staff opens the four hydraulic push rods installed in the locating groove, the hydraulic push rod works to drive the installation plate and the device thereon to move, so that the position is adjusted, facilitating the subsequent position adjustment of optical fiber array, when the position of optical fiber array is adjusted, the staff pushes the push-pull rod, the push-pull rod moves to drive the moving block installed on the both sides of fixed frame to move in the limiting groove, so that the fixed frame moves in the base, until the optical fiber array is coupled in the interface of device, preventing the optical fiber array from being damaged, reducing the working cost. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0015] Figure 2 It is the structure schematic diagram of fixed frame and handle of the utility model;
[0016] Figure 3 It is the structure schematic view of the bidirectional screw rod and the clamping plate of the utility model;
[0017] Figure 4 It is the structure schematic view of the base and the hydraulic push rod of the utility model are connected;
[0018] In the drawing: 1, base;2, fixed frame;3, setting plate;4, fixed plate;5, push-pull rod;6, handle;7, moving groove;8, moving block;9, sliding rod;10, mounting block;11, bidirectional screw rod;12, handlebar;13, screw;14, clamping plate;15, rubber pad;16, moving plate;17, telescopic rod;18, pressure spring;19, limiting groove;20, positioning groove;21, hydraulic push rod. DETAILED DESCRIPTION
[0019] The technical scheme of the patent will be further explained in detail in combination with specific embodiments.
[0020] As Figures 1-4 shown, the utility model provides a kind of technical scheme: a coupling alignment clamp of fiber array, including base 1, fixed frame 2 is slidably installed in base 1, moving block 8 is fixedly installed on the outer wall of both sides of fixed frame 2, moving block 8 is slidably installed in limiting groove 19, push-pull rod 5 is slidably installed on base 1, one end of push-pull rod 5 passes through base 1 and is connected with fixed frame 2, positioning groove 20 is set in base 1.
[0021] Hydraulic push rod 21 is fixedly installed in positioning groove 20 four corners, and setting plate 3 is fixedly installed on the end of hydraulic push rod 21.
[0022] Moving groove 7 is set in fixed frame 2, and one end of bidirectional screw rod 11 is fixedly installed through moving groove 7 Handlebar 12 is fixedly installed on the other end of bidirectional screw rod 11, and handlebar 12 is installed, and the rotation of handlebar 12 can drive bidirectional screw rod 11 to rotate, and the rotation of bidirectional screw rod 11 drives the two moving plates 16 installed thereon to move towards each other on bidirectional screw rod 11, since four telescopic rods 17 are fixedly installed on moving plate 16, and telescopic rod 17 is fixedly installed on the end of telescopic rod 17, so moving plate 16 moves will drive telescopic rod 17 and clamping plate 14 to move synchronously, clamping plate 14 moves to drive fiber array to move, until clamping plate 14 clamps fiber array, guarantee the subsequent coupling work.
[0023] Two sliding rods 9 are installed in the fixed frame 2, a screw rod 13 is installed in the fixed frame 2 through a bearing, one end of the screw rod 13 is fixedly installed with a handle 6, limit grooves 19 are formed in the inner wall of the base 1 on both sides, due to the installation of the handle 6, the screw rod 13 is driven to rotate through the rotation of the handle 6, since the mounting block 10 is threadedly connected to the screw rod 13, the screw rod 13 rotates to drive the mounting block 10 to move on the screw rod 13 and the sliding rod 9, so that the position of the fiber array can be adjusted to align the interface on the device to be installed, without the need for workers to constantly adjust the position, saving time and effort.
[0024] The mounting block 10 is threadedly connected to the screw rod 13, the two fixed plates 4 are fixedly installed on the mounting block 10, the bidirectional screw rod 11 is installed between the two fixed plates 4 through a bearing, the two moving plates 16 are installed on the bidirectional screw rod 11, the telescopic rods 17 are fixedly installed on the four corners of the moving plate 16, the pressure springs 18 are sleeved on the telescopic rods 17, since the pressure springs 18 are sleeved, when the fiber array is clamped and fixed by the clamping plate 14, the pressure springs 18 will be compressed, the elastic force generated by the compression will be transmitted to the fiber array through the clamping plate 14, so as to extrude and fix the fiber array, thereby improving the stability of the device.
[0025] The clamping plate 14 is fixedly installed on the end of the telescopic rod 17, the end of the pressure spring 18 is connected with the clamping plate 14, the rubber pad 15 is fixedly installed on the clamping plate 14, since the rubber pad 15 is installed, not only the friction between the clamping plate 14 and the fiber array can be increased, but also the damage to the fiber array caused by excessive pressure can be prevented, thereby reducing the working cost.
[0026] The working principle of the utility model is as follows: when working, the worker places the required coupling fiber array on the rubber pad 15 fixedly installed on the clamping plate 14, then rotates the handle 6, the handle 6 drives the screw rod 13 to rotate, since the mounting block 10 is threadedly connected to the screw rod 13, the screw rod 13 rotates to drive the mounting block 10 to move on the screw rod 13 and the sliding rod 9, so that the position of the fiber array can be adjusted to align the interface on the device to be installed;
[0027] In the process of working, the worker will need to place the fiber array coupled device on the installation plate 3, when the fiber array is clamped, the worker opens the four hydraulic push rods 21 installed in the positioning groove 20, the hydraulic push rod 21 works to drive the installation plate 3 and the device on it to move, so as to adjust the position, facilitate the subsequent position adjustment of the fiber array, when the fiber array position is adjusted, the worker pushes the push-pull rod 5, the push-pull rod 5 moves to drive the moving block 8 installed on both sides of the fixed frame 2 to move in the limiting groove 19, so that the fixed frame 2 moves in the base 1, until the fiber array is coupled in the interface of the device.
[0028] In the description of the utility model, it is need to explain, unless another explicit stipulation and limit, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can pass through the intermediate medium indirectly connected, can be two elements inside the intercommunication. For the ordinary skill in the art, the above-mentioned terms can be understood by the specific meaning in the utility model by specific circumstances.
[0029] The above has made the detailed explanation to the preferred embodiment of the patent, but the patent is not limited to the above-mentioned embodiment, within the knowledge range of the ordinary skill in the art, still can make various changes under the premise of not departing from the patent purpose.
Claims
1. A coupling alignment jig for an optical fibre array comprising a base (1) characterised in that: The base (1) is slidably installed with a fixing frame (2), the fixing frame (2) is installed with two slide rods (9), the fixing frame (2) is installed with a screw rod (13) through a bearing, the screw rod (13) is threadedly connected with a mounting block (10), the mounting block (10) is fixedly installed with two fixed plates (4), the two fixed plates (4) are installed with a bidirectional screw rod (11) through a bearing, the bidirectional screw rod (11) is installed with two moving plates (16), the moving plates (16) are fixedly installed with telescopic rods (17) at four corners, the telescopic rods (17) are sleeved with pressure springs (18), the ends of the telescopic rods (17) are fixedly installed with clamping plates (14), the ends of the pressure springs (18) are connected with the clamping plates (14), and the clamping plates (14) are fixedly installed with rubber pads (15).
2. A coupling alignment fixture for an optical fiber array as defined in claim 1, wherein: The fixing frame (2) is provided with a moving groove (7), and one end of the bidirectional screw rod (11) is fixedly installed with a handle (12) penetrating through the moving groove (7).
3. The coupling alignment fixture for a fiber array of claim 1, wherein: One end of the screw rod (13) penetrating through the fixing frame (2) is fixedly installed with a handle (6), and the inner wall of the base (1) is provided with a limiting groove (19) on both sides.
4. A coupling alignment fixture for an optical fiber array as defined in claim 3, wherein: The fixing frame (2) is fixedly installed with a moving block (8) on the outer wall on both sides, and the moving block (8) is slidably installed in the limiting groove (19).
5. The coupling alignment fixture for a fiber array of claim 1, wherein: The base (1) is slidably installed with a push-pull rod (5), one end of the push-pull rod (5) penetrating through the base (1) is connected with the fixing frame (2), and the base (1) is provided with a positioning groove (20).
6. A coupling alignment fixture for an optical fiber array as defined in claim 5, wherein: The positioning groove (20) is fixedly installed with a hydraulic push rod (21) at four corners, and the end of the hydraulic push rod (21) is fixedly installed with a placing plate (3).