A fixing clamp for FA optical fiber array
By using the sliding fit between the track seat and the clamp and the elastic clamping mechanism, the offset problem of the FA fiber array during the positioning process is solved, realizing efficient and stable fiber array assembly, and improving processing accuracy and finished product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUHAN CHUANGZHI OPTOELECTRONICS TECHNOLOGY CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-08-04
AI Technical Summary
Existing FA fiber arrays are prone to deviating from their intended positions during bare fiber placement and V-groove positioning, resulting in inaccurate positioning and affecting the processing flow.
The sliding engagement of the track seat slide rail and the clamp seat slide groove, combined with the spring buckle of the clamp seat and the elastic closing force of the clamp cover, realizes modular positioning and multi-station parallel processing of multiple clamping mechanisms. Through the precise alignment of the clamp seat groove and the optical fiber groove of the clamp cover, the clamping stability is improved by using the mechanical locking mechanism of the buckle teeth and buckle groove.
It improves the assembly accuracy and production efficiency of fiber arrays, reduces the risk of fiber misalignment, and increases product yield and operational efficiency.
Smart Images

Figure CN224587920U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of optical fiber assembly technology, and in particular to a fixing clamp for FA optical fiber array. Background Technology
[0002] FA fiber array is a core passive device in the field of optical communication. It uses high-precision micromachining technology to fix multiple optical fibers in the V-groove of a substrate to form a densely arranged optical signal transmission channel. It generally consists of a substrate, optical fibers and positioning structure. Its processing generally involves bare fiber placement, V-groove positioning, pressure bonding and end face grinding. During the processing, a fixture is generally required to hold the fiber array to improve the convenience of the processing.
[0003] In the existing technology, the fixing fixtures for FA fiber arrays are generally used during the pressure bonding and end face grinding processes, while the fixtures are generally not used during the bare fiber placement and V-groove positioning processes. Therefore, it is easy for the bare fiber to fall out of the predetermined position after placement, resulting in inaccurate V-groove positioning. Although it is easy to correct, it greatly affects the processing flow and needs improvement. Summary of the Invention
[0004] The purpose of this invention is to address the shortcomings of existing technologies and provide a fixing fixture for FA fiber arrays. The modular positioning of multiple clamping mechanisms is achieved through the sliding cooperation between the slide rail of the track seat and the slide groove of the clamp seat, enabling parallel processing of multiple workstations. The spring buckle of the clamp seat is connected to the spring buckle of the clamp cover via tension springs on both sides to form an elastic closing force, thereby improving operational efficiency.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a fixing fixture for FA fiber array, including a track base, a clamping mechanism slidably provided on the track base, the clamping mechanism including a clamp seat, a sliding groove opened at the bottom of the clamp seat, a slide rail on the track base slidably inserted into the sliding groove, a spring buckle one at one end of the clamp seat, a spring buckle two connected to the spring buckle one by a tension spring, a clamp cover connected to the spring buckle two, and a receiving groove opened on the clamp seat corresponding to the lower side of the clamp cover.
[0006] In a preferred embodiment, the clip cover has a buckle tooth on the side away from the spring buckle. When the clip cover is attached to the clip seat, the buckle tooth engages and snaps into the buckle groove opened on the clip seat.
[0007] In a preferred embodiment, the distance between the first spring buckle and the buckle tooth is smaller than the distance between the second spring buckle and the buckle tooth.
[0008] In a preferred embodiment, an optical fiber groove is provided in the groove on the lower side of the clip.
[0009] In a preferred embodiment, a groove is provided on the lower side of the cover corresponding to the accommodating slot, and the optical fiber slot is provided in the groove on the lower side of the cover.
[0010] In a preferred embodiment, tension springs are provided on both sides of the cover.
[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0012] This invention achieves modular positioning of multiple clamping mechanisms through the sliding cooperation of the slide rail of the track seat and the slide groove of the clamp seat, enabling parallel processing of multiple workstations. The spring buckle of the clamp seat is connected to the spring buckle of the clamp cover via tension springs on both sides to form an elastic closing force, improving operational efficiency. The precise alignment of the clamp seat groove and the optical fiber groove of the clamp cover forms a component positioning cavity, reducing the offset of the optical fiber body. At the same time, the interlocking design of the clamp cover buckle teeth and the clamp seat buckle groove, combined with the difference in spring buckle spacing, forms a lever-type mechanical lock, improving the clamping stability of the clamp cover and clamp seat on the optical fiber array structure, and achieving simultaneous improvement in optical fiber array assembly accuracy, production efficiency and product yield. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of a fixing clamp for a FA fiber array provided by this utility model.
[0014] Figure 2 A schematic diagram of the clamping mechanism of a fixing clamp for a FA fiber array provided by this utility model.
[0015] Figure 3 This is a schematic diagram of the clamping and assembly state of a fixing fixture for a FA fiber array provided by this utility model.
[0016] Figure 4 This is a schematic diagram of the fully clamped state of a fixing clamp for a FA fiber array provided by this utility model.
[0017] Legend:
[0018] 1. Track base; 2. Clamping mechanism; 3. Substrate; 4. Fiber optic body; 5. Cover plate;
[0019] 21. Clamp; 22. Slide groove; 23. Spring buckle one; 24. Tension spring; 25. Spring buckle two; 26. Clamp cover; 27. Fiber optic channel; 28. Buckle tooth; 29. Buckle groove; 210. Receptacle groove. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example
[0021] like Figures 1 to 4 As shown, this utility model provides a technical solution: a fixing clamp for FA fiber arrays, including a track base 1, a clamping mechanism 2 slidably mounted on the track base 1, the clamping mechanism 2 including a clamping seat 21, a groove 22 formed at the bottom of the clamping seat 21, a slide rail on the track base 1 slidably inserted into the groove 22, a spring buckle 23 at one end of the clamping seat 21, a spring buckle 25 connected to the spring buckle 23 via a tension spring 24, and a clamping cover 26 connected to the spring buckle 25. In the above design, the clamping mechanism 2 achieves the function of slidably inserting the slide rail on the track base 1 into the groove 22 at the bottom of the clamping seat 21 by cooperating with the groove 22. The adjustable sliding function of the clamping mechanism 2 on the track seat 1 allows users to flexibly position multiple clamping mechanisms 2 as needed. At the same time, the spring buckle 1 23 at one end of the clamp seat 21 is connected to the spring buckle 25 through the tension spring 24, and the spring buckle 25 is directly connected to the clamp cover 26. The elastic force of the tension spring 24 provides an automatic reset mechanism when the clamp cover 26 is operated, ensuring that the clamp cover 26 can be quickly closed and maintain a stable clamping state after being opened. This design not only simplifies the position adjustment and fixing process during fiber array assembly, but also improves operating efficiency, reduces manual intervention, and makes the clamp more reliable and efficient in batch processing of multiple components.
[0022] A groove 210 is provided on the clamping seat 21 corresponding to the lower side of the clamp 26. A groove is provided on the lower side of the clamp 26 corresponding to the groove 210. The fiber optic groove 27 is provided in the groove on the lower side of the clamp 26. The design provides a groove 210 on the clamping seat 21 to accommodate the substrate 3, and a fiber optic groove 27 is precisely provided in the groove on the lower side of the clamp 26. When the clamp 26 is closed, the fiber optic groove 27 and the groove 210 are aligned with each other to form a precise positioning structure. This ensures that the fiber optic body 4 can be stably fixed in the predetermined position. This design uses the direct integration of the groove and the fiber optic groove 27 to prevent the fiber from shifting or loosening during the assembly process. This improves the alignment accuracy and overall stability of the components during the gluing and curing operations, effectively reduces human error, and improves the production efficiency and quality reliability of the fiber optic array.
[0023] The clamp 26 has a latching tooth 28 on the side away from the second spring latch 25, and tension springs 24 on both sides of the clamp 26. The distance between the first spring latch 23 and the latching tooth 28 is smaller than the distance between the second spring latch 25 and the latching tooth 28. When the clamp 26 is attached to the clamping seat 21, the latching tooth 28 engages with the latching groove 29 on the clamping seat 21. This design, by setting the latching tooth 28 on the side of the clamp 26 away from the second spring latch 25, ensures that when the clamp 26 is attached to the clamping seat 21, the latching tooth 28 engages with the latching groove 29 on the clamping seat 21, forming a mechanical locking mechanism. The principle is to use the precise engagement of the latching tooth 28 and the latching groove 29 to provide reliable fixing force, ensuring that the clamp 26 will not be accidentally released during operation, thereby enhancing the clamping stability during the fiber array assembly process, preventing displacement of the substrate 3 and the fiber body 4, and simplifying the opening and closing operation. Users only need to manually operate the latching tooth 28 to quickly lock or release, improving the overall assembly efficiency and component alignment accuracy.
[0024] In this embodiment, the track seat 1 slides with the slide groove 22 at the bottom of the clamp seat 21 via the slide rail, so that the clamping mechanism 2 can be freely adjusted on the track seat 1 to achieve a flexible layout of multiple workstations. The spring buckle 23 at the end of the clamp seat 21 is connected to the spring buckle 25 on the clamp cover 26 via the tension spring 24. The elastic reset characteristic of the tension spring 24 ensures that the clamp cover 26 automatically closes after opening. The receiving groove 210 of the clamp seat 21 and the optical fiber groove 27 in the groove of the clamp cover 26 are precisely aligned when closed to form a closed cavity that accommodates the substrate 3 and fixes the optical fiber body 4.
[0025] Meanwhile, the latch teeth 28 on the side of the clamp 26 away from the spring latch 25 and the latch groove 29 of the clamp 21 form a mechanical lock. Under the lever principle that the distance between the spring latch 1 23 and the latch teeth 28 is smaller than the distance between the spring latch 25 and the latch teeth 28, the tension of the tension spring 24 is converted into the pressing force of the latch teeth 28 on the latch groove 29. Combined with the balanced action of the tension springs 24 on both sides, the track sliding is realized to expand the batch processing capacity. The alignment of the slot 210 and the fiber slot 27 ensures the positioning accuracy of the components. The latch teeth 28 locking mechanism provides a triple fixing effect of convenient operation and anti-displacement stability, ultimately achieving the effect of improving the efficiency, consistency and yield of fiber array assembly.
[0026] Working principle:
[0027] like Figures 1 to 4As shown, when using this utility model, first pick up the clamp cover 26, remove the buckle teeth 28 from the buckle groove 29, then put the substrate 3 into the receiving groove 210, and then put the optical fiber body 4 into the corresponding optical fiber groove 27 on the substrate 3. Then reinsert the buckle teeth 28 into the buckle groove 29. The clamp cover 26 is reset under the pull of the tension spring 24, thus clamping and fixing the substrate 3 and the optical fiber body 4. After covering the substrate 3 and the optical fiber body 4 in the receiving groove 210 with the front adhesive, close the cover plate 5 on the substrate 3, and then reopen the clamp cover 26. Cover the substrate 3 and the optical fiber body 4 with the tail adhesive at the predetermined position. After the front adhesive and the tail adhesive have dried, the installed optical fiber array can be removed.
[0028] Furthermore, multiple clamping mechanisms 2 can be connected to the track base 1, allowing users to fix multiple substrates 3 and fiber bodies 4, and then apply adhesive together, making the assembly of the fiber array more convenient.
[0029] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.
Claims
1. A fixing jig for FA optical fiber array, characterized by, The system includes a track seat (1), on which a clamping mechanism (2) is slidably provided. The clamping mechanism (2) includes a clamp seat (21), and a groove (22) is provided at the bottom of the clamp seat (21). The slide rail on the track seat (1) is slidably inserted into the groove (22). One end of the clamp seat (21) is provided with a spring buckle one (23). The spring buckle one (23) is connected to a spring buckle two (25) through a tension spring (24). The spring buckle two (25) is connected to a clamp cover (26). The lower side of the clamp cover (26) is provided with a receiving groove (210) on the clamp seat (21).
2. The fixing jig for FA optical fiber array according to claim 1, characterized by: The cover (26) has a buckle tooth (28) on the side away from the spring buckle (25). When the cover (26) is attached to the clamp (21), the buckle tooth (28) is engaged and locked into the buckle groove (29) opened on the clamp (21).
3. The fixing jig for FA optical fiber array according to claim 2, characterized in that: The distance between the first spring buckle (23) and the buckle tooth (28) is less than the distance between the second spring buckle (25) and the buckle tooth (28).
4. The fixing jig for FA optical fiber array according to claim 1, characterized in that: The lower side groove of the cover (26) is provided with an optical fiber groove (27).
5. The fixing jig for a FA optical fiber array according to claim 4, characterized in that: The lower side of the cover (26) corresponding to the trough (210) is provided with a groove, and the optical fiber groove (27) is provided in the groove on the lower side of the cover (26).
6. The fixing jig for a FA optical fiber array according to claim 1, characterized in that: Both sides of the clip (26) are provided with tension springs (24).