Fixing device for optical fiber cutting

Abstract

The utility model relates to the technical field of optical fiber cutting, and discloses a fixing device for optical fiber cutting, which comprises a base used for bearing an optical fiber connector and a pressing plate used for pressing the optical fiber connector, the pressing plate is detachably connected with the base, the base is provided with a limiting unit, the limiting unit and the pressing plate form a cavity used for fixing the optical fiber connector, and the optical fiber connector is fixed in the cavity. A cavity is formed in the base, a limiting unit is arranged in the cavity, a notch communicated with the cavity is formed in the limiting unit, the notch is used for enabling an optical fiber in the optical fiber connector to penetrate out of the base, and the penetrating-out part is a part to be cut. The optical fiber connector is fixed through the cavity formed by the limiting unit and the pressing plate, so that the optical fiber solidified in the optical fiber connector is cut; the optical fiber can be prevented from falling off from the optical fiber connector during subsequent grinding and polishing by cutting in this way.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of optical fiber cutting, specifically to a kind of optical fiber cutting's fixing device. BACKGROUND

[0002] Optical fiber has been widely applied in communication, medical treatment, sensor, navigation and other fields, and the main material for making optical fiber is high-purity quartz.In the field of communication optical fiber engineering, the end face processing tool of optical fiber is optical fiber cutting knife, and its principle is to scratch the surface of bare optical fiber with blade, to form a cut perpendicular to the optical fiber axis, and then to expand along the cut direction by applying external force until the optical fiber breaks.In cutting the excess part of optical fiber in UV glue solidified optical fiber adapter, and then in polishing process, if the excess part of optical fiber is directly cut, it is very easy to cause the whole optical fiber to fall off and the reserved amount of cut excess optical fiber is too much, which causes the TTV of the position after subsequent Fa polishing process to not meet the requirements and be scrapped, and also causes great waste: too much reserved amount also greatly reduces the grinding rate.

[0003] In the prior art, utility model patent (CN205121007U) discloses an optical fiber fixing assembly, which comprises a supporting piece and a positioning piece, the supporting piece is used for supporting optical fiber, the positioning piece is fixed with the supporting piece and closely adheres to one side surface of the supporting piece, the top surface of the positioning piece is higher than the top surface of the supporting piece, the positioning piece is provided with a positioning groove, the bottom of the positioning groove is flush with the top surface of the positioning piece, and the positioning groove is used for assisting in positioning optical fiber, and after using the assembly to cut the optical fiber in optical fiber adapter, the optical fiber is easy to fall off from the optical fiber adapter.

[0004] Therefore, the technical problem to be solved by the present case is how to cut optical fiber to prevent the optical fiber from falling off from the optical fiber adapter. CONTENT OF UTILITY MODEL

[0005] To solve the above technical problems, the utility model provides a kind of optical fiber cutting's fixing device, and the cavity formed by limiting unit and pressing plate of the fixing device is fixed optical fiber connector, to cut the optical fiber solidified in optical fiber connector, prevent optical fiber connector from separating from cavity by limiting unit, and the optical fiber solidified in optical fiber connector is worn out from notch, and worker only needs to cut the optical fiber worn out, which is beneficial to prevent the optical fiber from falling off from optical fiber connector during subsequent grinding and polishing.

[0006] The technical scheme of the utility model is:

[0007] A kind of fixed device of optical fiber cutting, including base for carrying optical fiber connector, the pressing plate for pressing optical fiber connector, pressing plate is detachably connected with base, limit unit is provided on base, limit unit and pressing plate form a cavity for fixing optical fiber connector, limit unit is provided with the gap that communicates with the cavity, gap is used to make the optical fiber in optical fiber connector from base and the part that is cut out is cut out.

[0008] In the fixed device of optical fiber cutting described above, the limit unit includes limit blocks arranged symmetrically, and the limit blocks are located on the base.

[0009] In the fixed device of optical fiber cutting described above, the limit blocks are L-shaped, and the horizontal parts protrude from one side of the base, and the vertical parts are located on the base. The gap between the two horizontal parts forms the gap.

[0010] In the fixed device of optical fiber cutting described above, the base is also provided with guide posts arranged symmetrically, and the guide posts are located on the side of the limit unit away from the gap. The pressing plate is provided with guide holes matched with the guide posts. The guide posts and the guide holes are used to adjust the height of the cavity.

[0011] In the fixed device of optical fiber cutting described above, the base is also provided with connecting parts arranged symmetrically, and the pressing plate is provided with through holes matched with the connecting parts. The connecting parts are located on one side of the limit unit respectively. The base and the pressing plate are detachably connected through the connecting parts and the through holes.

[0012] In the fixed device of optical fiber cutting described above, the connecting parts are threaded holes or studs.

[0013] When the connecting parts are threaded holes, the through holes are provided with threads matched with the threaded holes. The threaded holes and the through holes are detachably connected through externally provided screws.

[0014] When the connecting parts are studs, the studs are detachably connected with the through holes through externally provided nuts.

[0015] In the fixed device of optical fiber cutting described above, the base is a concave structure, and the pressing plate is a concave structure matched with the base. The horizontal parts protrude horizontally from the inner concave part of the base.

[0016] In the fixed device of optical fiber cutting described above, the bottom of the pressing plate is provided with a soft pad.

[0017] The above technical solution in the technical solution of the utility model has at least one of the following advantages or beneficial effects:

[0018] The utility model discloses a cavity fixed fiber connector through limiting unit and pressing plate forms, thereby to solidify in the fiber cutting of fiber connector, prevent fiber connector from separating from the cavity through limiting unit, and the fiber solidified in the fiber connector passes out from the gap, and staff only need to cut the fiber that passes out, and this is favorable to prevent the fiber from falling off from the fiber connector when subsequent grinding and polishing. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the assembly drawing of the utility model embodiment 1;

[0020] Fig. 2 It is the overhead view of the utility model base;

[0021] Fig. 3 It is the front view of the utility model base;

[0022] Fig. 4 It is the overhead view of the utility model pressing plate;

[0023] Fig. 5 It is the front view of the utility model pressing plate.

[0024] Among them, the reference of each drawing is as follows: 1, base;2, pressing plate;3, cavity;4, gap;11, limiting unit;12, guide column;13, connecting portion;21, guide hole;22, through hole;23, soft pad. DETAILED DESCRIPTION

[0025] The technical scheme in the utility model embodiments will be described clearly and completely below in combination with the drawings in the utility model embodiments. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Embodiment 1

[0027] Please refer to Figs. 1-5 A kind of fixed device of fiber cutting, including the base 1 for carrying fiber connector, the pressing plate 2 for pressing fiber connector, pressing plate 2 is detachably connected with base 1, limiting unit 11 is arranged on base 1, limiting unit 11 and pressing plate 2 form a cavity 3 for fixed fiber connector, limiting unit 11 is equipped with the gap 4 that communicates with cavity 3, gap 4 is used to make the fiber in fiber connector pass out from base 1, and the passing out part is the part to be cut.

[0028] In actual application, the staff first solidifies the optical fiber on the optical fiber connector, and if polishing is performed on the optical fiber connector in this case, the optical fiber is prone to fall off the optical fiber connector, and the solidified optical fiber cannot be completely matched with the optical fiber connector in precision, so the optical fiber solidified on the optical fiber connector needs to be cut and then polished, the staff places the optical fiber connector with the solidified optical fiber on the base 1, and the limiting unit 11 can limit the optical fiber connector on the base 1, the pressing plate 2 is connected with the base 1, and the optical fiber connector is fixed in the cavity 3, at this time, the optical fiber solidified in the optical fiber connector is outwardly exposed from the gap 4, so that the staff can cut the optical fiber, specifically, the staff cuts the optical fiber by means of a cutting pen, in this way, the reserved amount of the optical fiber on the optical fiber connector can be small, the process standard can be met, and the optical fiber is prone to fall off the optical fiber connector during subsequent polishing.

[0029] Preferably, the limiting unit 11 comprises symmetrically arranged limiting blocks, and the limiting blocks are located on the base 1, and the gap 4 is located between the limiting blocks.

[0030] In the embodiment, the limiting blocks are used to guarantee that the optical fiber connector is located in the cavity 3, and the gap 4 located between the limiting blocks can guarantee that the reserved amount of the optical fiber meets the process standard when the optical fiber is cut, and further prevent the optical fiber from falling off the optical fiber connector during polishing.

[0031] More preferably, the limiting blocks are L-shaped, the horizontal parts protrude from one side of the base 1, the vertical parts are located on the base 1, and the gap between the two horizontal parts forms the gap 4.

[0032] Through the above design, the L-shaped limiting blocks can contact three sides of the optical fiber connector, and then are fixed in the cavity 3, and the horizontal parts protruding from one side of the base 1 can guarantee that the optical fiber connector does not interfere with the part to be cut, and the optical fiber is located in the part to be cut, so as to protect the optical fiber connector during cutting.

[0033] Further, the base 1 is further provided with symmetrically arranged guide columns 12, the guide columns 12 are located on the side of the limiting unit 11 away from the gap 4, the pressing plate 2 is provided with guide holes 21 matched with the guide columns 12, and the guide columns 12 and the guide holes 21 are used to adjust the height of the cavity 3.

[0034] In the above design, the height of the cavity 3 can be adjusted to adapt to optical fiber connectors of different heights, so as to better fix optical fiber connectors of different heights, and specifically, the positions of the guide columns 12 can also make it more convenient for the staff to adjust the height of the cavity 3 to match optical fiber connectors of different heights.

[0035] Preferably, the base 1 is further provided with symmetrically arranged connecting portions 13, the pressing plate 2 is provided with through holes 22 matched with the connecting portions 13, the connecting portions 13 are respectively located at one side of the limiting units 11, and the base 1 and the pressing plate 2 are detachably connected through the connecting portions 13 and the through holes 22.

[0036] Through the above design, the connecting portions 13 located at one side of the limiting units 11 can ensure that the fiber connector can be uniformly stressed when the base 1 and the pressing plate 2 are connected, and can be stably arranged in the cavity 3, in particular, through this way, the height of the cavity 3 can also be directly adjusted when the base 1 and the pressing plate 2 are connected, and when different fiber connectors are replaced, the height of the cavity 3 is directly adjusted, the fiber connector is replaced, the height of the cavity 3 is adjusted to fix the fiber connector, and cutting is also performed, that is, it is beneficial to continuously cut the optical fiber in the different fiber connectors.

[0037] More preferably, the connecting portions 13 are threaded holes or studs.

[0038] In the above design, when the connecting portions 13 are threaded holes, the through holes 22 are provided with threads matched with the threaded holes, and the threaded holes and the through holes 22 are detachably connected through externally provided threaded rods; when the connecting portions 13 are studs, the studs and the through holes 22 are detachably connected through externally provided nuts, and it should be noted that the connecting portions 13 in the embodiment are threaded holes, and through this way, the fiber connector can be better fixed.

[0039] More preferably, the base 1 is a concave structure, and the pressing plate 2 is a concave structure matched with the base 1, and the horizontal portion protrudes from the inner concave portion of the base 1.

[0040] In the embodiment, the base 1 and the pressing plate 2 are concave structures, which can facilitate the staff to identify the position of the cavity 3 in which the fiber limiter is placed.

[0041] More preferably, the bottom of the pressing plate 2 is provided with a soft pad 23.

[0042] In the embodiment, in order to better protect the fiber connector, the soft pad 23 can provide buffering.

[0043] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A device for securing a fiber cut, characterized by, The application relates to a base for bearing a fiber connector, a pressing plate for pressing the fiber connector, the pressing plate being detachably connected with the base, a limiting unit being arranged on the base, the limiting unit and the pressing plate forming a cavity for fixing the fiber connector, a gap being arranged on the limiting unit and communicating with the cavity, the gap being used for making a fiber in the fiber connector pass out of the base, and the passing-out part being a cutting part.

2. A device for securing a fiber optic cable cut as defined in claim 1, wherein, The limiting unit comprises symmetrically arranged limiting blocks, the limiting blocks being arranged on the base, and the gap being arranged between the limiting blocks.

3. A device for securing a fiber optic cable cut as defined in claim 2, wherein, The limiting blocks are L-shaped, the horizontal parts of the limiting blocks protruding from one side of the base, the vertical parts of the limiting blocks being arranged on the base, and the gap being formed between the two horizontal parts.

4. The apparatus of claim 1 wherein, Guide columns are symmetrically arranged on the base, the guide columns being arranged on the side of the limiting unit far from the gap, guide holes matched with the guide columns being arranged on the pressing plate, and the guide columns and the guide holes being used for adjusting the height of the cavity.

5. The apparatus of claim 1 wherein, Connecting parts are symmetrically arranged on the base, through holes matched with the connecting parts being arranged on the pressing plate, the connecting parts being arranged on the sides of the limiting unit respectively, and the base and the pressing plate being detachably connected through the connecting parts and the through holes.

6. A device for securing a fiber optic cable according to claim 5, wherein, The connecting parts are screw holes or studs. When the connecting parts are screw holes, threads matched with the screw holes are arranged in the through holes, and the screw holes and the through holes are detachably connected through externally arranged screw rods. When the connecting parts are studs, the studs and the through holes are detachably connected through externally arranged nuts.

7. A device for securing a fiber optic cable according to claim 3, wherein, The base is a concave structure, the pressing plate is a concave structure matched with the base, and the horizontal parts of the limiting blocks protrude from the inner concave part of the base.

8. The apparatus of claim 1, wherein: A soft pad is arranged on the bottom of the pressing plate.

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