Optical fiber fixing device

Abstract

The utility model provides an optical fiber fixing device. The optical fiber fixing device comprises a base; the rotating shaft is fixed on the base; the first fixing assembly is rotatably arranged on the base, one end of the first fixing assembly is rotatably connected with the rotating shaft, the first fixing assembly is provided with a first penetrating hole, and the first penetrating hole extends in the extending direction of the first fixing assembly; the second fixing assembly is rotatably arranged on the base, one end of the second fixing assembly is rotatably connected with the rotating shaft, the second fixing assembly is provided with a second penetrating hole, and the second penetrating hole extends in the extending direction of the second fixing assembly; the elastic piece is arranged between the first fixing assembly and the second fixing assembly, the elastic piece is provided with a through hole, the first penetrating hole, the through hole and the second penetrating hole are communicated in sequence, and the first penetrating hole, the through hole and the second penetrating hole are used for penetrating optical fibers. According to the technical scheme provided by the invention, the problem that the optical fiber is damaged due to the fact that the optical fiber is extremely easy to be locally and excessively bent in the fixing process in the prior art can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber fixing devices, in particular to an optical fiber fixing device. Background Art

[0002] Currently, optical fiber is commonly used to accurately transmit variable-frequency signals during fully mechanized mining operations. This is because the magnetic fields and currents generated by variable-frequency harmonics do not interfere with light transmission. Due to the inherent characteristics of optical fiber, folding the fiber in half during installation can easily damage the fiber, affecting its signal transmission performance. In existing installation techniques, the fiber is typically bent before being secured to a mounting plate. This method can easily lead to excessive bending of the fiber, causing damage and compromising its signal transmission performance. Utility Model Content

[0003] The utility model provides an optical fiber fixing device to solve the problem in the prior art that the optical fiber is easily excessively bent locally during the fixing process, thereby causing damage to the optical fiber.

[0004] The utility model provides an optical fiber fixing device, which includes: a base for fixed setting; a rotating shaft fixed to the base; a first fixing component rotatably set on the base, and one end of the first fixing component is rotatably connected to the rotating shaft, the first fixing component has a first through-hole, and the first through-hole extends along the extension direction of the first fixing component; a second fixing component rotatably set on the base, and one end of the second fixing component is rotatably connected to the rotating shaft, the second fixing component has a second through-hole, and the second through-hole extends along the extension direction of the second fixing component; an elastic member is set between the first fixing member and the second fixing member, the elastic member has a through-hole, the first through-hole, the through-hole and the second through-hole are connected in sequence, and the first through-hole, the through-hole and the second through-hole are used for passing the optical fiber.

[0005] Furthermore, the first fixing component includes a first connecting structure and a first fixing structure, the first connecting structure is rotatably set on the base, the first connecting structure has a first through-hole, the first fixing structure is fixedly connected to the first connecting structure, and the first fixing structure is used to cooperate with the base to limit the rotation angle of the first connecting structure; the second fixing component includes a second connecting structure and a second fixing structure, the second connecting structure is rotatably set on the base, the second connecting structure has a second through-hole, the second fixing structure is fixedly connected to the second connecting structure, and the second fixing structure is used to cooperate with the base to limit the rotation angle of the second connecting structure.

[0006] Furthermore, the first connecting structure includes a first connecting plate and a first threading barrel, one end of the first connecting plate has a first connecting hole, the first connecting hole can be rotatably mounted on the rotating shaft, the first threading barrel is located at the other end of the first connecting plate, and the first threading barrel is located on one side of the first connecting plate, the first fixing structure is located on the other side of the first connecting plate, and the first threading barrel has a first threading hole; the second connecting structure includes a second connecting plate and a second threading barrel, one end of the second connecting plate has a second connecting hole, the second connecting hole can be rotatably mounted on the rotating shaft, the second threading barrel is located at the other end of the second connecting plate, and the second threading barrel is located on one side of the second connecting plate, the second fixing structure is located on the other side of the second connecting plate, and the second threading barrel has a second threading hole.

[0007] Furthermore, the first connecting plate is located above the second connecting plate, and the second connecting structure also includes a pad, which is arranged above the second connecting plate and flush with the first connecting plate, and the second threading barrel is arranged on the pad.

[0008] Furthermore, the first fixed structure includes a first fixed block and a first slider, the first slider is slidably arranged on the first fixed block along a direction perpendicular to the rotating axis, and a first limiting structure is provided between the first slider and the base to limit the rotation of the first connecting structure; the second fixed structure includes a second fixed block and a second slider, the second slider is slidably arranged on the second fixed block along a direction perpendicular to the rotating axis, and a second limiting structure is provided between the second slider and the base to limit the rotation of the second connecting structure.

[0009] Furthermore, a plurality of limiting gears are provided on the outer periphery of the base, and the plurality of limiting gears are arranged in a ring shape. A plurality of first gears are provided on the first slider, and the plurality of first gears can engage with the limiting gears, and the first gears and the limiting gears cooperate to form a first limiting structure; a plurality of second gears are provided on the second slider, and the plurality of second gears can engage with the limiting gears, and the second gears and the limiting gears cooperate to form a second limiting structure.

[0010] Furthermore, the first fixed block has a first slot, the first slider is slidably arranged in the first slot, and the first fixed structure also includes a first reset member, the first reset member is arranged between the first slot and the first slider, and the first reset member can drive the first slider to move in a direction close to the base; the second fixed block has a second slot, the second slider is slidably arranged in the second slot, and the second fixed structure also includes a second reset member, the second reset member is arranged between the second slot and the second slider, and the second reset member can drive the second slider to move in a direction close to the base.

[0011] Furthermore, a first guide structure is provided between the first slot and the first slider to guide the sliding of the first slider, and a second guide structure is provided between the second slot and the second slider to guide the sliding of the second slider.

[0012] Furthermore, a first sliding groove is provided on the side wall of the first slot, a first sliding rod is provided on the first slider, the first sliding rod can be slidably passed through the first sliding groove, and the first sliding groove and the first sliding rod cooperate to form a first guide structure; a second sliding groove is provided on the side wall of the second slot, a second sliding rod is provided on the second slider, the second sliding rod can be slidably passed through the second sliding groove, and the second sliding groove and the second sliding rod cooperate to form a second guide structure.

[0013] Furthermore, a plurality of fixing holes are provided on the base, and the fixing holes are used to pass locking pieces through, and the fixing holes cooperate with the locking pieces to fix the base.

[0014] Using the technical solution of the present utility model, the first and second fixing assemblies are both rotatably mounted on the base, with an elastic member disposed between the first and second fixing assemblies. The optical fiber is sequentially passed through the first through-hole, the through-hole, and the second through-hole, with the elastic member providing protection. When the first and / or second fixing assemblies rotate on the base, an angle is created between the first and second through-holes, causing the elastic member to bend, thereby bending the optical fiber. When the elastic member bends, it makes uniform and full contact with the optical fiber, ensuring uniform force on the optical fiber during bending, preventing excessive local bending of the optical fiber, thereby preventing damage to the optical fiber and ensuring the performance of optical fiber signal transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting part of this application are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0016] Figure 1 Shows a schematic structural diagram of the optical fiber fixing device provided by the utility model;

[0017] Figure 2 It shows a structural schematic diagram of the first fixing structure, the base and the second fixing structure provided by the present invention.

[0018] The above drawings include the following reference numerals:

[0019] 10. Base; 11. Limiting gear; 12. Fixing hole;

[0020] 20. Rotating shaft;

[0021] 30. First fixing assembly;

[0022] 31. First connecting structure;

[0023] 311, first connecting plate;

[0024] 312, first threading barrel; 3121, first threading hole;

[0025] 32. First fixed structure;

[0026] 321, first fixing block; 3211, first slot; 3212, first sliding slot;

[0027] 322, first slider; 3221, first gear; 3222, first slide bar;

[0028] 323, first reset member;

[0029] 40. Second fixing assembly;

[0030] 41. Second connecting structure;

[0031] 411, second connecting plate;

[0032] 412, second threading barrel; 4121, second threading hole;

[0033] 42. Second fixed structure;

[0034] 421, second fixing block; 4211, second slot; 4212, second slide slot;

[0035] 422, second slider; 4221, second gear; 4222, second slide bar;

[0036] 423, second reset member;

[0037] 43. Pad;

[0038] 50. Locking piece;

[0039] 60. Elastic parts. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] like Figure 1 and Figure 2As shown, an embodiment of the present invention provides an optical fiber fixing device, which includes a base 10, a first fixing component 30, a second fixing component 40 and an elastic member 60. The base 10 is used for fixed installation. The rotating shaft 20 is fixed to the base 10. The first fixing component 30 is rotatably set on the base 10, and one end of the first fixing component 30 is rotatably connected to the rotating shaft 20. The first fixing component 30 has a first through-hole 3121, and the first through-hole 3121 extends along the extension direction of the first fixing component 30. The second fixing component 40 is rotatably set on the base 10, and one end of the second fixing component 40 is rotatably connected to the rotating shaft 20. The second fixing component 40 has a second through-hole 4121, and the second through-hole 4121 extends along the extension direction of the second fixing component 40. The elastic member 60 is arranged between the first fixing component 30 and the second fixing component 40. The elastic member 60 has a through hole. The first through hole 3121, the through hole and the second through hole 4121 are connected in sequence. The first through hole 3121, the through hole and the second through hole 4121 are used for passing optical fibers.

[0042] By applying the technical solution of the present application, the first fixing assembly 30 and the second fixing assembly 40 can both be rotatably arranged on the base 10, and the elastic member 60 is arranged between the first fixing assembly 30 and the second fixing assembly 40. The optical fiber is sequentially passed through the first penetration hole 3121, the through hole, and the second penetration hole 4121, and the elastic member 60 plays a protective role. When the first fixing assembly 30 and / or the second fixing assembly 40 rotates on the base 10, an angle will appear between the first penetration hole 3121 and the second penetration hole 4121, and the elastic member 60 will also bend, thereby bending the optical fiber. When bending, the elastic member 60 will uniformly and fully contact the optical fiber, thereby ensuring that the optical fiber is evenly stressed when bending, avoiding excessive local bending of the optical fiber, thereby avoiding damage to the optical fiber, and ensuring the performance of the optical fiber signal transmission.

[0043] Among them, the first fixing component 30 includes a first connecting structure 31 and a first fixing structure 32. The first connecting structure 31 is rotatably arranged on the base 10. The first connecting structure 31 has a first through hole 3121. The first fixing structure 32 is fixedly connected to the first connecting structure 31. The first fixing structure 32 is used to cooperate with the base 10 to limit the rotation angle of the first connecting structure 31.

[0044] With this arrangement, the first fixing structure 32 can fix the position of the first connecting structure 31, preventing the first connecting structure 31 from rotating again after being adjusted to the desired position, thereby ensuring the accuracy of the optical fiber bending angle and avoiding damage to the optical fiber caused by excessive bending.

[0045] The second fixing assembly 40 includes a second connecting structure 41 and a second fixing structure 42. The second connecting structure 41 is rotatably arranged on the base 10. The second connecting structure 41 has a second through-hole 4121. The second fixing structure 42 is fixedly connected to the second connecting structure 41. The second fixing structure 42 is used to cooperate with the base 10 to limit the rotation angle of the second connecting structure 41.

[0046] With this arrangement, the second fixing structure 42 can fix the position of the second connecting structure 41, preventing the second connecting structure 41 from rotating again after being adjusted to the desired position, thereby ensuring the accuracy of the optical fiber bending angle and avoiding damage to the optical fiber caused by excessive bending.

[0047] Therefore, with the above structure, both the first connecting structure 31 and the second connecting structure 41 can be fixed on the base 10, thereby ensuring the accuracy of the bending angle of the optical fiber.

[0048] Specifically, the first connecting structure 31 includes a first connecting plate 311 and a first threading barrel 312. One end of the first connecting plate 311 has a first connecting hole, and the first connecting hole can be rotatably mounted on the rotating shaft 20. The first threading barrel 312 is located at the other end of the first connecting plate 311, and the first threading barrel 312 is located on one side of the first connecting plate 311. The first fixed structure 32 is located on the other side of the first connecting plate 311, and the first threading barrel 312 has a first threading hole 3121.

[0049] Such a configuration has a simple structure and is easy to assemble, thereby preventing the first threading drum 312 from interfering with the rotating shaft 20 during rotation, thereby ensuring the normal operation of the first threading drum 312 .

[0050] The second connecting structure 41 includes a second connecting plate 411 and a second threading barrel 412. One end of the second connecting plate 411 has a second connecting hole. The second connecting hole can be rotatably mounted on the rotating shaft 20. The second threading barrel 412 is located at the other end of the second connecting plate 411, and the second threading barrel 412 is located on one side of the second connecting plate 411. The second fixing structure 42 is located on the other side of the second connecting plate 411. The second threading barrel 412 has a second threading hole 4121.

[0051] Such a setting has a simple structure and is easy to assemble, which avoids interference between the second threading barrel 412 and the rotating shaft 20 during rotation, and at the same time avoids interference between the first threading barrel 312 and the second threading barrel 412, so that the optical fiber can be normally passed through the first threading hole 3121, the through hole and the second threading hole 4121.

[0052] Specifically, in the present application, one end of the elastic member 60 is fixedly connected to one end of the first threading barrel 312 close to the rotating shaft 20 , and the other end of the elastic member 60 is fixedly connected to one end of the second threading barrel 412 close to the rotating shaft 20 .

[0053] Optionally, the elastic member 60 is a spring.

[0054] Furthermore, the first connecting plate 311 is positioned above the second connecting plate 411. The second connecting structure 41 also includes a backing plate 43, which is positioned above the second connecting plate 411 and flush with the first connecting plate 311. The second threading barrel 412 is positioned on the backing plate 43. This arrangement facilitates assembly of the first connecting plate 311 and the second connecting plate 411. Furthermore, the use of the backing plate 43 can elevate the position of the second threading barrel 412, ensuring that the first threading barrel 312 and the second threading barrel 412 are at the same height. Furthermore, the use of the backing plate 43 ensures that the first connecting plate 311 and the second connecting plate 411, as well as the first threading barrel 312 and the second threading barrel 412, have the same structure, thereby reducing the processing costs of the first connecting structure 31 and the second connecting structure 41.

[0055] Among them, the first fixed structure 32 includes a first fixed block 321 and a first slider 322. The first slider 322 is slidably arranged on the first fixed block 321 in a direction perpendicular to the rotating shaft 20. There is a first limiting structure between the first slider 322 and the base 10 to limit the rotation of the first connecting structure 31.

[0056] With this arrangement, when the first connecting plate 311 needs to be rotated, the first slider 322 only needs to be slid to a position away from the rotating shaft 20. When the first connecting plate 311 is fixed, the first slider 322 only needs to be slid toward the direction close to the rotating shaft 20. The structure is simple, the operation is convenient, and the labor intensity of the staff is reduced.

[0057] The second fixing structure 42 includes a second fixing block 421 and a second slider 422. The second slider 422 is slidably arranged on the second fixing block 421 along a direction perpendicular to the rotating shaft 20. A second limiting structure is provided between the second slider 422 and the base 10 to limit the rotation of the second connecting structure 41.

[0058] With this arrangement, when the second connecting plate 411 needs to be rotated, the second slider 422 only needs to be slid to a position away from the rotating shaft 20. When the second connecting plate 411 is fixed, the second slider 422 only needs to be slid toward the direction close to the rotating shaft 20. The structure is simple, the operation is convenient, and the labor intensity of the staff is reduced.

[0059] Specifically, a plurality of position-limiting gears 11 are provided on the outer periphery of the base 10, and the plurality of position-limiting gears 11 are arranged in a ring. The base 10 can be a gear.

[0060] A plurality of first gears 3221 are provided on the first slider 322 . The plurality of first gears 3221 can mesh with the limiting gear 11 . The first gears 3221 cooperate with the limiting gear 11 to form a first limiting structure.

[0061] Such an arrangement can ensure the anti-rotation effect when the first slider 322 is matched with the base 10 , is easy to operate, and facilitates processing of the first slider 322 .

[0062] A plurality of second gears 4221 are provided on the second slider 422 . The plurality of second gears 4221 can mesh with the limiting gear 11 . The second gears 4221 cooperate with the limiting gear 11 to form a second limiting structure.

[0063] Such an arrangement can ensure the anti-rotation effect when the second slider 422 is matched with the base 10, is easy to operate, and facilitates processing of the second slider 422.

[0064] Furthermore, the first fixed block 321 has a first slot 3211, and the first slider 322 is slidably arranged in the first slot 3211. The first fixed structure 32 also includes a first reset member 323, which is arranged between the first slot 3211 and the first slider 322. The first reset member 323 can drive the first slider 322 to move toward the direction close to the base 10.

[0065] The first reset member 323 pushes the first gear 3221 into contact with the limiting gear 11, thereby securing the first connecting plate 311 and maintaining the angle between the first connecting plate 311 and the second connecting plate 411, thereby maintaining the stability of the optical fiber bend angle. Furthermore, the first slider 322 automatically engages with the base 10 under the action of the first reset member 323, eliminating the need for operators to move the slider 322 and reducing the number of steps required.

[0066] The second fixed block 421 has a second slot 4211, and the second slider 422 is slidably arranged in the second slot 4211. The second fixed structure 42 also includes a second reset member 423, which is arranged between the second slot 4211 and the second slider 422. The second reset member 423 can drive the second slider 422 to move toward the direction close to the base 10.

[0067] The second reset member 423 pushes the second gear 4221 into contact with the limiting gear 11, thereby securing the second connecting plate 411. This ensures the angle between the first connecting plate 311 and the second connecting plate 411, maintaining the stability of the optical fiber bend angle. Furthermore, the second slider 422 automatically engages with the base 10 under the action of the second reset member 423, eliminating the need for operators to move the second slider 422 and reducing the number of steps required.

[0068] Specifically, the first restoring member 323 and the second restoring member 423 may be a plurality of springs.

[0069] Furthermore, a first guide structure is provided between the first slot 3211 and the first slider 322 to guide the sliding of the first slider 322 , and a second guide structure is provided between the second slot 4211 and the second slider 422 to guide the sliding of the second slider 422 .

[0070] Such a configuration can ensure the stability of the first slider 322 and the second slider 422 during movement, avoid the first slider 322 and the second slider 422 from offsetting, and thus ensure the stability of the engagement of the first slider 322 and the second slider 422 with the base 10.

[0071] The first slot 3211 is provided with a first slide groove 3212 on its sidewall, and the first slider 322 is provided with a first slide rod 3222. The first slide rod 3222 is slidably inserted into the first slide groove 3212. The first slide groove 3212 and the first slide rod 3222 cooperate to form a first guide structure. This arrangement provides a simple structure and facilitates machining of the first fixing block 321. Furthermore, the first slider 322 can be moved by a worker simply by moving the first slide rod 3222, making operation simple.

[0072] Specifically, first slide bars 3222 are provided on both sides of the first slider 322, and first slide grooves 3212 are provided on both sides of the first slot 3211. The two first slide bars 3222 are provided in a one-to-one correspondence with the two first slide grooves 3212. This arrangement can further ensure the stability of the first slider 322 during movement.

[0073] A second slide groove 4212 is provided on the side wall of the second slot 4211, and a second slide rod 4222 is provided on the second slider 422. The second slide rod 4222 is slidably inserted into the second slide groove 4212. The second slide groove 4212 and the second slide rod 4222 cooperate to form a second guide structure. This arrangement has a simple structure and facilitates machining of the second fixing block 421. Furthermore, a worker can move the second slider 422 by moving the second slide rod 4222, making operation simple.

[0074] Specifically, a second slide bar 4222 is provided on both sides of the second slider 422, and a second slide groove 4212 is provided on both sides of the second slot 4211, and the two second slide bars 4222 are provided in a one-to-one correspondence with the two second slide grooves 4212. This arrangement can further ensure the stability of the second slider 422 during movement.

[0075] Furthermore, the base 10 is provided with a plurality of fixing holes 12, which are used to pass through the locking members 50. The fixing holes 12 cooperate with the locking members 50 to fix the base 10. This arrangement facilitates fixing the base 10 on the work surface while ensuring the stability of the base 10.

[0076] Among them, in this application, four fixing holes 12 are provided on the base 10, and the four fixing holes 12 are distributed at equal intervals. A locking piece 50 is provided in each fixing hole 12. When the optical fiber is long, the optical fiber can be wound on the four locking pieces 50. This arrangement makes it easy to store the optical fiber.

[0077] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0078] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0079] In the description of the present invention, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0080] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0081] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this utility model.

[0082] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An optical fiber fixing device, characterized in that: The optical fiber fixing device comprises: A base (10) for fixing the device; A rotating shaft (20) is fixed on the base (10); A first fixing component (30) is rotatably disposed on the base (10), and one end of the first fixing component (30) is rotatably connected to the rotating shaft (20), and the first fixing component (30) has a first through-hole (3121), and the first through-hole (3121) extends along the extension direction of the first fixing component (30); A second fixing component (40) is rotatably disposed on the base (10), and one end of the second fixing component (40) is rotatably connected to the rotating shaft (20), and the second fixing component (40) has a second through-hole (4121), and the second through-hole (4121) extends along the extension direction of the second fixing component (40); An elastic member (60) is arranged between the first fixing component (30) and the second fixing component (40), and the elastic member (60) has a through hole, the first penetration hole (3121), the through hole and the second penetration hole (4121) are connected in sequence, and the first penetration hole (3121), the through hole and the second penetration hole (4121) are used for penetrating optical fibers.

2. The optical fiber fixing device according to claim 1, characterized in that: The first fixing assembly (30) comprises a first connecting structure (31) and a first fixing structure (32), wherein the first connecting structure (31) is rotatably arranged on the base (10), the first connecting structure (31) has the first through-hole (3121), the first fixing structure (32) is fixedly connected to the first connecting structure (31), and the first fixing structure (32) is used to cooperate with the base (10) to limit the rotation angle of the first connecting structure (31); The second fixing assembly (40) includes a second connecting structure (41) and a second fixing structure (42), wherein the second connecting structure (41) is rotatably arranged on the base (10), the second connecting structure (41) has a second through-hole (4121), the second fixing structure (42) is fixedly connected to the second connecting structure (41), and the second fixing structure (42) is used to cooperate with the base (10) to limit the rotation angle of the second connecting structure (41).

3. The optical fiber fixing device according to claim 2, characterized in that: The first connecting structure (31) includes a first connecting plate (311) and a first threading barrel (312), one end of the first connecting plate (311) has a first connecting hole, the first connecting hole is rotatably sleeved on the rotating shaft (20), the first threading barrel (312) is located at the other end of the first connecting plate (311), and the first threading barrel (312) is located on one side of the first connecting plate (311), the first fixing structure (32) is located on the other side of the first connecting plate (311), and the first threading barrel (312) has the first threading hole (3121); The second connecting structure (41) includes a second connecting plate (411) and a second threading barrel (412), one end of the second connecting plate (411) has a second connecting hole, the second connecting hole is rotatably mounted on the rotating shaft (20), the second threading barrel (412) is located at the other end of the second connecting plate (411), and the second threading barrel (412) is located on one side of the second connecting plate (411), the second fixing structure (42) is located on the other side of the second connecting plate (411), and the second threading barrel (412) has the second threading hole (4121).

4. The optical fiber fixing device according to claim 3, characterized in that: The first connecting plate (311) is located above the second connecting plate (411), and the second connecting structure (41) further includes a pad (43), which is arranged above the second connecting plate (411), and the pad (43) is arranged flush with the first connecting plate (311), and the second threading barrel (412) is arranged on the pad (43).

5. The optical fiber fixing device according to claim 2, wherein: The first fixing structure (32) comprises a first fixing block (321) and a first sliding block (322), wherein the first sliding block (322) is slidably arranged on the first fixing block (321) in a direction perpendicular to the rotating shaft (20), and a first limiting structure is provided between the first sliding block (322) and the base (10) to limit the rotation of the first connecting structure (31); The second fixing structure (42) comprises a second fixing block (421) and a second sliding block (422), wherein the second sliding block (422) is slidably arranged on the second fixing block (421) in a direction perpendicular to the rotating shaft (20), and a second limiting structure is provided between the second sliding block (422) and the base (10) to limit the rotation of the second connecting structure (41).

6. The optical fiber fixing device according to claim 5, characterized in that: The outer periphery of the base (10) is provided with a plurality of position-limiting gears (11), and the plurality of position-limiting gears (11) are arranged in a ring shape. The first slider (322) is provided with a plurality of first gears (3221), and the plurality of first gears (3221) can mesh with the limiting gear (11), and the first gears (3221) cooperate with the limiting gear (11) to form the first limiting structure; The second slider (422) is provided with a plurality of second gears (4221), and the plurality of second gears (4221) can mesh with the limiting gear (11), and the second gears (4221) cooperate with the limiting gear (11) to form the second limiting structure.

7. The optical fiber fixing device according to claim 5, characterized in that: The first fixing block (321) has a first slot (3211), the first sliding block (322) is slidably arranged in the first slot (3211), the first fixing structure (32) further includes a first restoring member (323), the first restoring member (323) is arranged between the first slot (3211) and the first sliding block (322), and the first restoring member (323) can drive the first sliding block (322) to move in a direction close to the base (10); The second fixing block (421) has a second slot (4211), and the second slider (422) is slidably arranged in the second slot (4211). The second fixing structure (42) also includes a second reset member (423), and the second reset member (423) is arranged between the second slot (4211) and the second slider (422). The second reset member (423) can drive the second slider (422) to move in a direction close to the base (10).

8. The optical fiber fixing device according to claim 7, wherein: A first guide structure is provided between the first slot (3211) and the first slider (322) to guide the sliding of the first slider (322), and a second guide structure is provided between the second slot (4211) and the second slider (422) to guide the sliding of the second slider (422).

9. The optical fiber fixing device according to claim 8, characterized in that: A first sliding groove (3212) is provided on the side wall of the first slot (3211), a first sliding rod (3222) is provided on the first slider (322), the first sliding rod (3222) is slidably inserted into the first sliding groove (3212), and the first sliding groove (3212) and the first sliding rod (3222) cooperate to form the first guide structure; A second sliding groove (4212) is provided on the side wall of the second slot (4211), and a second sliding rod (4222) is provided on the second slider (422). The second sliding rod (4222) can be slidably inserted into the second sliding groove (4212). The second sliding groove (4212) and the second sliding rod (4222) cooperate to form the second guide structure.

10. The optical fiber fixing device according to claim 1, wherein: The base (10) is provided with a plurality of fixing holes (12), the fixing holes (12) being used for passing locking members (50), and the fixing holes (12) cooperate with the locking members (50) to fix the base (10).

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