Adjustable optical fiber clamping jig

Abstract

The utility model discloses an adjustable optical fiber clamping jig which comprises a module carrying table, a double-station optical fiber plug vertical limiting module and an optical fiber limiting module, and the module carrying table is provided with an optical fiber plug limiting module fixing groove and an optical fiber limiting module fixing groove. The double-station optical fiber plug vertical limiting module comprises a base, a connecting rod and an optical fiber plug end push block, the base is clamped in the optical fiber plug limiting module fixing groove through the connecting rod, a groove matched with an optical fiber plug is formed in the waist portion of the base, the optical fiber plug end push block is arranged in a hollow structure on the upper portion of the base, and an elastic component is arranged between the optical fiber plug end push block and the upper cover. The elastic component pushes the optical fiber plug end push block to move downwards to fix the optical fiber plug in the groove; and the optical fiber limiting module is fixed on the module carrying table through a convex block matched with the optical fiber limiting module fixing groove. A modular structure is adopted, and each module is independently replaced, so that the compatibility is improved; and due to the double-station vertical pressurization design, the problem that a conventional clamp can only be used for single curing is solved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical communication, and particularly relates to an adjustable optical fiber clamping fixture. Background Art

[0002] An optical fiber clamping fixture is an auxiliary tool for clamping and fixing optical fibers in the processes of production, manufacturing, detection, etc. It is used to ensure the stability and accuracy of optical fiber devices during operations such as high-precision fixed length, 3D shape profiling, and profiling dimension measurement. At the same time, it can avoid damaging the optical fiber or causing it to rotate during the clamping process, which is crucial for maintaining the performance and quality of the optical fiber. Conventional fixed-length fixtures have a single function and cannot be shared for different product sizes. They all adopt a linear horizontal structure, cannot achieve three-dimensional adjustment, cannot restore the 3D shape of the product, can only achieve horizontal curing of a single optical fiber plug, cannot meet the vertical simultaneous curing of double optical fiber plugs, and only have an upper pressing structure at the optical fiber end, which cannot achieve precise positioning of the optical fiber and is likely to cause the optical fiber vitreous body to break, resulting in a decrease in the product yield. Summary of the Utility Model

[0003] Aiming at the deficiencies of the background art, the purpose of the utility model is to provide an adjustable optical fiber clamping fixture, which solves the problems in the prior art such as single function, inability to share different product lengths, inability to achieve three-dimensional adjustment, inability to restore the 3D shape of the product, only being able to achieve horizontal curing of a single optical fiber plug, inability to meet the vertical simultaneous curing of double optical fiber plugs, only having an upper pressing at the optical fiber end, being unable to achieve precise positioning of the optical fiber and being likely to cause the optical fiber vitreous body to break, resulting in a decrease in the product yield.

[0004] The purpose of the utility model can be realized by the following technical solutions: An adjustable optical fiber clamping fixture includes a module carrier, an optical fiber limiting module, and a double-station optical fiber plug vertical limiting module;

[0005] An optical fiber limiting module fixing groove and an optical fiber plug limiting module fixing groove are formed on the module carrier along a first direction;

[0006] The optical fiber limiting module is detachably fixed on the module carrier through a convex block adapted to the optical fiber limiting module fixing groove;

[0007] The double-station fiber optic plug vertical limit module includes a base, a connecting rod, a first fiber optic plug end push block, and a second fiber optic plug end push block. The base is connected to the module carrier by being clamped in the fixed slot of the fiber optic plug limit module through the connecting rod. On both sides of the waist of the base, a first groove and a second groove adapted to the fiber optic plug are respectively opened. The first fiber optic plug end push block and the second fiber optic plug end push block are arranged side by side in the hollow structure at the upper part of the base. An elastic member is arranged between the first fiber optic plug end push block, the second fiber optic plug end push block and the base upper cover. The elastic member pushes the first fiber optic plug end push block and the second fiber optic plug end push block to move downward to fix the fiber optic plug in the first groove and the second groove.

[0008] Further, the double-station fiber optic plug vertical limit module further includes a fiber optic plug cover plate for fixing the straight section of the fiber optic. The fiber optic plug cover plate is located on one side of the base close to the connecting rod. The bottom of the fiber optic plug cover plate is hinged to the bottom of the base, and the upper part of the fiber optic plug cover plate is magnetically fixed to the upper part of the base.

[0009] Further, the fixed slot of the fiber optic limit module includes a first fiber optic limit fixed slot and a second fiber optic limit fixed slot. The fixed slot of the fiber optic plug limit module is located between the first fiber optic limit fixed slot and the second fiber optic limit fixed slot.

[0010] Further, the fiber optic limit module includes a first fiber optic limit module, a second fiber optic limit module, and a third fiber optic limit module. The first fiber optic limit module can be adaptively fixed to the first fiber optic limit fixed slot. The second fiber optic limit module and the third fiber optic limit module can be adaptively fixed to the second fiber optic limit fixed slot. The first fiber optic limit module is located in front of the second and third fiber optic limit modules. The second fiber optic limit module is arranged between the third fiber optic limit module and the double-station fiber optic plug vertical limit module.

[0011] Furthermore, the first optical fiber limiting module includes a first optical fiber fixing block, a first optical fiber top block, a first positioning block and a first optical fiber pressing block. A first optical fiber placement groove is formed at the front end of the first optical fiber fixing block. The first optical fiber top block is arranged in the inner groove of the first optical fiber fixing block. An elastic component is arranged on one side of the first optical fiber top block away from the first optical fiber placement groove in the groove. The elastic component pushes the first optical fiber top block to apply lateral pressure to fix the optical fiber in the first optical fiber placement groove. The second optical fiber limiting module includes a second optical fiber fixing block, a second optical fiber top block, a second positioning block and a second optical fiber placement groove. The second optical fiber top block is arranged in the inner groove of the second optical fiber fixing block. An elastic component is arranged on one side of the second optical fiber top block away from the second optical fiber placement groove in the groove. The elastic component pushes the second optical fiber top block to apply lateral pressure to fix the optical fiber in the second optical fiber placement groove. The third optical fiber limiting module includes a third optical fiber fixing block, a third positioning block, a third optical fiber placement groove and a second optical fiber pressing block.

[0012] Furthermore, one side of the first optical fiber pressing block away from the first optical fiber placement groove is hinged to the first optical fiber fixing block. The middle part of the first optical fiber pressing block is magnetically fixed to the first optical fiber fixing block, and the end of the first optical fiber pressing block is placed on the first optical fiber placement groove. The second optical fiber pressing block is in a bridge shape, and its end straddles the second optical fiber placement groove and is placed on the third optical fiber placement groove.

[0013] Furthermore, the first, second, and third positioning blocks are respectively located at one end of the first, second, and third optical fiber placement grooves away from the double-station optical fiber plug vertical limiting module.

[0014] Furthermore, the first, second, and third positioning blocks are copper blocks.

[0015] Furthermore, the elastic component includes a connecting shaft and a spring sleeved outside the connecting shaft.

[0016] The beneficial effects of the present utility model are as follows: (1) This clamping fixture adopts a small modular structure, and the positions of each module can be adjusted, capable of being compatible with more product sizes; (2) Each module can be independently upgraded and replaced according to the form of the required product, realizing position changes in three-dimensional directions, better compatible with and restoring the 3D forms of multiple products, and enhancing the application experience of the product; (3) The optical fiber plug fixing module adopts a double-station vertical pressurization design, which can meet the one-time clamping and curing of double optical fiber plug devices, solves the problem that conventional fixtures can only cure a single optical fiber plug, improves production efficiency, and at the same time greatly reduces the risk of dimensional changes during secondary clamping; (4) The optical fiber fixing module adopts a side pressurization structure, which can not only ensure better positioning accuracy, be compatible with more optical fiber size specifications, but also avoid damage to the optical fiber vitreous body during the pressurization process, improving the product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art.

[0018] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0019] Figure 2 is a schematic diagram of the structure of an embodiment of the present utility model from an angle;

[0020] Figure 3 is a schematic diagram of the structure of an embodiment of the present utility model from another angle;

[0021] Figure 4 is a schematic diagram of the structure of an embodiment of the present utility model from another angle;

[0022] Figure 5 is a schematic diagram of the structure of the vertical limit module for double-station fiber optic plugs in an embodiment of the present utility model;

[0023] Figure 6 is a schematic diagram of the structure of the base of the vertical limit module for double-station fiber optic plugs in an embodiment of the present utility model from an angle;

[0024] In the figure, 1 - module carrier, 2 - fiber optic limit module, 3 - vertical limit module for double-station fiber optic plugs, 4 - connecting shaft, 5 - spring; 11 - fiber optic limit module fixing groove, 12 - fiber optic plug limit module fixing groove, 111 - first fiber optic limit fixing groove, 112 - second fiber optic limit fixing groove; 21 - first fiber optic limit module, 22 - second fiber optic limit module, 23 - third fiber optic limit module, 211 - first fiber optic fixing block, 212 - first fiber optic top block, 213 - first positioning block, 214 - first fiber optic pressing block, 215 - first fiber optic placement groove, 221 - second fiber optic fixing block, 222 - second fiber optic top block, 223 - second positioning block, 224 - second fiber optic placement groove, 231 - third fiber optic fixing block, 232 - third positioning block, 233 - third fiber optic placement groove, 234 - second fiber optic pressing block; 31 - base, 32 - connecting rod, 33 - first fiber optic plug end pushing block, 34 - second fiber optic plug end pushing block, 35 - first groove, 36 - second groove, 37 - fiber optic plug cover plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] An adjustable optical fiber clamping fixture. Specifically, referring to Figures 1 to 6 as shown, the fixture includes a module carrier 1, an optical fiber limiting module 2, and a two-station optical fiber plug vertical limiting module 3;

[0027] On the module carrier 1, an optical fiber limiting module fixing groove 11 and an optical fiber plug limiting module fixing groove 12 are provided along the first direction;

[0028] The optical fiber limiting module 2 is detachably fixed on the module carrier 1 through a convex block adapted to the optical fiber limiting module fixing groove 11;

[0029] The two-station optical fiber plug vertical limiting module 3 includes a base 31, a connecting rod 32, a first optical fiber plug end push block 33, and a second optical fiber plug end push block 34. The base 31 is connected to the module carrier 1 by being snapped into the optical fiber plug limiting module fixing groove 12 through the connecting rod 32. On both sides of the waist of the base 31, a first groove 35 and a second groove 36 adapted to the optical fiber plug are respectively provided. The first optical fiber plug end push block 33 and the second optical fiber plug end push block 34 are arranged in parallel in the hollow structure at the upper part of the base 31. Elastic members are provided between the first optical fiber plug end push block 33, the second optical fiber plug end push block 34 and the upper cover of the base 31. In one example, an upward acting force is respectively applied to the first and second optical fiber plug end push blocks, and then an optical fiber plug is respectively placed in the first groove 35 and the second groove 36. After removing the acting force applied to the first and second optical fiber plug end push blocks, the first and second optical fiber plug end push blocks move vertically downward under the downward elastic force of the elastic members to fix the optical fiber plugs in the first groove 35 and the second groove 36;

[0030] Through the design of the two-station optical fiber plug vertical limiting module, two optical fiber plugs can be processed simultaneously, improving production efficiency; the modular and detachable design allows for quick replacement and adjustment of the fixture configuration to meet the requirements of different product sizes, quickly adjust and replace the fixture according to the requirements of product size and the needs of the production process, realize three-dimensional adjustment, and restore the 3D form of the product during assembly, so that the customer can directly use the product without adjustment when using it; the first groove 35 and the second groove 36 adapted to the optical fiber plug are provided on both sides of the waist of the base, ensuring the precise positioning of the optical fiber plug. By pushing the optical fiber plug push block downward through the elastic member, a simple and reliable fixing method is provided to ensure that the optical fiber plug is stably fixed in the groove during processing or assembly. This precise positioning and firm clamping reduce the possible damage to the optical fiber component during the production process and ensure the quality of the product.

[0031] The double-station optical fiber plug vertical limiting module 3 further includes an optical fiber plug cover plate 37 for fixing the straight section of the optical fiber. The optical fiber plug cover plate 37 is located on the side of the base 31 close to the connecting rod 32. The bottom of the optical fiber plug cover plate 37 is hinged to the bottom of the base 31, and the upper part of the optical fiber plug cover plate 37 is magnetically fixed to the upper part of the base 31. The optical fiber plug cover plate 37 is used to fix the straight section of the optical fiber, ensuring that the optical fiber remains straight during the assembly process, preventing torsion or displacement, ensuring the precise alignment of the optical fiber during the assembly process. At the same time, through the hinged and magnetically fixed method, the optical fiber plug cover plate can be conveniently opened and closed, simplifying the operation process during assembly and improving work efficiency.

[0032] Further, the optical fiber limiting module fixing groove 11 includes a first optical fiber limiting fixing groove 111 and a second optical fiber limiting fixing groove 112. The optical fiber plug limiting module fixing groove 12 is located between the first optical fiber limiting fixing groove 111 and the second optical fiber limiting fixing groove 112.

[0033] Further, the optical fiber limiting module 2 includes a first optical fiber limiting module 21, a second optical fiber limiting module 22, and a third optical fiber limiting module 23. The first optical fiber fixing module 21 can be adaptively fixed to the first optical fiber limiting fixing groove 111. The second optical fiber limiting module 22 and the third optical fiber limiting module 23 can be adaptively fixed to the second optical fiber limiting fixing groove 112. The first optical fiber limiting module 21 is located in front of the second and third optical fiber limiting modules. The second optical fiber limiting module 22 is arranged between the third optical fiber limiting module 23 and the double-station optical fiber plug vertical limiting module 3. The modular optical fiber limiting design allows for quick replacement and maintenance, improving the flexibility and adaptability of the optical fiber clamping fixture.

[0034] Further, the first optical fiber limiting module 21 includes a first optical fiber fixing block 211, a first optical fiber top block 212, a first positioning block 213 and a first optical fiber pressing block 214. A first optical fiber placement groove 215 is formed at the front end of the first optical fiber fixing block 211. The first optical fiber top block 212 is arranged in the inner groove of the first optical fiber fixing block 211. An elastic member is arranged on the side of the first optical fiber top block 212 away from the first optical fiber placement groove 215 between the first optical fiber top block 212 and the groove. The elastic member pushes the first optical fiber top block 212 to apply lateral pressure to fix the optical fiber in the first optical fiber placement groove 215. The second optical fiber limiting module 22 includes a second optical fiber fixing block 221, a second optical fiber top block 222, a second positioning block 223 and a second optical fiber placement groove 224. The second optical fiber top block 222 is arranged in the inner groove of the second optical fiber fixing block 221. An elastic member is arranged on the side of the second optical fiber top block 222 away from the second optical fiber placement groove 224 between the second optical fiber top block 222 and the groove. The elastic member pushes the second optical fiber top block to apply lateral pressure to fix the optical fiber in the second optical fiber placement groove 224. The third optical fiber limiting module 23 includes a third optical fiber fixing block 231, a third positioning block 232, a third optical fiber placement groove 233 and a second optical fiber pressing block 234. By providing the optical fiber placement groove, the precise positioning of the optical fiber during the assembly process can be ensured. Through the lateral pressure structure, the breakage of the optical fiber glass body caused by the upper pressure structure on the conventional fixture is avoided, and the product yield is greatly improved.

[0035] Further, one side of the first optical fiber pressing block 214 away from the first optical fiber placement groove 215 is hinged to the first optical fiber fixing block 211. The middle part of the first optical fiber pressing block 214 is magnetically fixed to the first optical fiber fixing block 211, and the end of the first optical fiber pressing block 214 is placed on the first optical fiber placement groove 215. The second optical fiber pressing block 234 is in a bridge shape, and the end spans across the second optical fiber placement groove 224 and is placed on the third optical fiber placement groove 233. By providing the optical fiber pressing block, the optical fiber is fixed in the optical fiber placement groove, avoiding deviation and torsion during the assembly process, and ensuring the precise positioning and stable fixation of the optical fiber.

[0036] Further, the first, second, and third positioning blocks are respectively located at one end of the first, second, and third optical fiber placement grooves away from the double-station optical fiber plug vertical limiting module 3.

[0037] Further, the first, second, and third positioning blocks are copper blocks.

[0038] Further, the elastic member includes a connecting shaft 4 and a spring 5 sleeved outside the connecting shaft.

[0039] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. An adjustable optical fiber clamping fixture, characterized in that: It comprises a module carrier (1), an optical fiber limiting module (2) and a double-station optical fiber plug vertical limiting module (3); The module carrier (1) is provided with an optical fiber limiting module fixing groove (11) and an optical fiber plug limiting module fixing groove (12) along a first direction; The optical fiber limiting module (2) is detachably fixed on the module carrier (1) via a protrusion adapted to the optical fiber limiting module fixing groove (11); The double-station optical fiber plug vertical limiting module (3) comprises a base (31), a connecting rod (32), a first optical fiber plug end pushing block (33) and a second optical fiber plug end pushing block (34); the base (31) is connected to the module carrier (1) by being engaged in the optical fiber plug limiting module fixing groove (12) through the connecting rod (32); a first groove (35) and a second groove (36) adapted to the optical fiber plug are respectively provided on both sides of the waist of the base (31); the first optical fiber plug end pushing block (33) and the second optical fiber plug end pushing block (34) are arranged in parallel in the hollow structure on the upper part of the base (31); an elastic component is arranged between the first optical fiber plug end pushing block (33), the second optical fiber plug end pushing block (34) and the upper cover of the base; the elastic component pushes the first optical fiber plug end pushing block (33) and the second optical fiber plug end pushing block (34) to move downward to fix the optical fiber plug in the first groove (35) and the second groove (36).

2. The adjustable optical fiber clamping fixture according to claim 1, characterized in that: The double-station optical fiber plug vertical limit module (3) also includes an optical fiber plug cover plate (37) for fixing the straight section of the optical fiber, the optical fiber plug cover plate (37) is located on a side of the base (31) close to the connecting rod (32), the bottom of the optical fiber plug cover plate (37) is hinged to the bottom of the base (31), and the upper part of the optical fiber plug cover plate (37) is fixed to the upper part of the base (31) by magnetic attraction.

3. The adjustable optical fiber clamping fixture according to claim 1, characterized in that: The optical fiber limiting module fixing groove (11) comprises a first optical fiber limiting fixing groove (111) and a second optical fiber limiting fixing groove (112), and the optical fiber plug limiting module fixing groove (12) is located between the first optical fiber limiting fixing groove (111) and the second optical fiber limiting fixing groove (112).

4. The adjustable optical fiber clamping fixture according to claim 3, characterized in that: The optical fiber limiting module (2) comprises a first optical fiber limiting module (21), a second optical fiber limiting module (22) and a third optical fiber limiting module (23); the first optical fiber limiting module (21) can be adapted and fixed to the first optical fiber limiting fixing groove (111); the second optical fiber limiting module (22) and the third optical fiber limiting module (23) can be adapted and fixed to the second optical fiber limiting fixing groove (112); the first optical fiber limiting module (21) is located in front of the second and third optical fiber limiting modules; the second optical fiber limiting module (22) is arranged between the third optical fiber limiting module (23) and the duplex optical fiber plug vertical limiting module (3).

5. The adjustable optical fiber clamping fixture according to claim 4, characterized in that: The first optical fiber limiting module (21) comprises a first optical fiber fixing block (211), a first optical fiber top block (212), a first positioning block (213) and a first optical fiber pressing block (214); a first optical fiber placement groove (215) is provided at the front end of the first optical fiber fixing block (211); the first optical fiber top block (212) is arranged in an inner groove of the first optical fiber fixing block (211); an elastic component is arranged between the first optical fiber top block (212) and the groove on a side away from the first optical fiber placement groove (215); the elastic component pushes the first optical fiber top block (212) to apply pressure laterally to fix the optical fiber in the first optical fiber placement groove (215); the second optical fiber limiting module (22) comprises a first optical fiber fixing block (211); a first optical fiber fixing block (211) is provided with ... The second optical fiber fixing block (221), the second optical fiber top block (222), the second positioning block (223) and the second optical fiber placement groove (224), wherein the second optical fiber top block (222) is arranged in the inner groove of the second optical fiber fixing block (221), and an elastic component is arranged between the second optical fiber top block (222) and the groove on the side away from the second optical fiber placement groove (224), and the elastic component pushes the second optical fiber top block (222) to apply lateral pressure to fix the optical fiber in the second optical fiber placement groove (224); the third optical fiber limiting module (23) comprises a third optical fiber fixing block (231), a third positioning block (232), a third optical fiber placement groove (233) and a second optical fiber pressing block (234).

6. The adjustable optical fiber clamping fixture according to claim 5, characterized in that: The first optical fiber pressing block (214) is hinged to the first optical fiber fixing block (211) at a side away from the first optical fiber placement groove (215); the middle part of the first optical fiber pressing block (214) is magnetically fixed to the first optical fiber fixing block (211) and the end of the first optical fiber pressing block (214) is placed on the first optical fiber placement groove (215); the second optical fiber pressing block (234) is a bridge-shaped structure, and the end thereof spans the second optical fiber placement groove (224) and is placed on the third optical fiber placement groove (233).

7. The adjustable optical fiber clamping fixture according to claim 6, characterized in that: The first, second and third positioning blocks are respectively located at one end of the first, second and third optical fiber placement grooves away from the duplex optical fiber plug vertical limiting module (3).

8. The adjustable optical fiber clamping fixture according to claim 7, characterized in that: The first, second and third positioning blocks are copper blocks.

9. The adjustable optical fiber clamping fixture according to claim 8, characterized in that: The elastic component comprises a connecting shaft (4) and a spring (5) sleeved on the outside of the connecting shaft (4).

Images