CN220323581U - Direct-melting core-inserting structure of optical fiber quick connector - Google Patents
Direct-melting core-inserting structure of optical fiber quick connector Download PDFInfo
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- CN220323581U CN220323581U CN202321826682.2U CN202321826682U CN220323581U CN 220323581 U CN220323581 U CN 220323581U CN 202321826682 U CN202321826682 U CN 202321826682U CN 220323581 U CN220323581 U CN 220323581U
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- Prior art keywords
- lock pin
- nail pipe
- quick connector
- optical fiber
- optic fibre
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 46
- 238000002844 melting Methods 0.000 title abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 45
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 6
- 230000006978 adaptation Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 230000004927 fusion Effects 0.000 description 12
- 238000005520 cutting process Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002633 protecting effect Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 238000007526 fusion splicing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mechanical Coupling Of Light Guides (AREA)
Abstract
The application relates to the technical field of optical fiber connectors, in particular to a direct-melting core-inserting structure of an optical fiber quick connector. Through with the nail pipe butt in the one end of lock pin piece inserted pre-buried optic fibre to make the nail pipe box locate pre-buried optic fibre, pre-buried optic fibre passes behind the nail pipe, the tip cover that the lock pin piece was kept away from to the nail pipe is equipped with bare fiber protection tube, the periphery cover at lock pin piece and nail pipe link is equipped with the lock pin tailstock, make lock pin piece and nail pipe connection fixed through the lock pin tailstock, simplify the connection structure of lock pin piece and nail pipe through the design lock pin tailstock, simultaneously effectively reduce the overall height of lock pin structure, in subsequent welding process, the lock pin structure is fixed can be accomplished through the direct centre gripping of welding anchor clamps, avoid finding the condition that the adaptation welds anchor clamps, the welding anchor clamps that realize most welding machines all can weld the centre gripping to welding optic fibre quick connector, improve the range of application of welding optic fibre quick connector, have the characteristics that compatibility is good.
Description
Technical Field
The application relates to the technical field of optical fiber connectors, in particular to a direct-melting core-inserting structure of an optical fiber quick connector.
Background
In the fiber-to-the-home process, the fiber needs to be quickly connected through a connector in the field. The quick optical fiber connection mode comprises a cold connection mode and a hot melting mode, wherein the hot melting mode is to preset one section of optical fiber at one end of the connector and weld the preset optical fiber with the field optical fiber through an optical fiber welding machine.
The connector is fixed through the locking clamp in the fusion process, the ferrule of the existing fusion type optical fiber quick connector has a complex structure, and fusion clamps with various corresponding structures exist for different types of optical fiber fusion splicers. Fusion splice type fiber optic quick connectors often encounter conditions in which an adapted fusion splice fixture is not found in use, resulting in a limited range of application for fusion splice type fiber optic quick connectors.
Disclosure of Invention
In order to solve the technical problem, the application provides a fiber quick connector directly melts lock pin structure, including one end insert have the lock pin piece of pre-buried optic fibre, butt in the nail pipe of lock pin piece and cover are located lock pin piece and the lock pin tailstock of nail pipe link, the nail pipe cover is located pre-buried optic fibre the tip cover that the nail pipe kept away from the lock pin piece is equipped with bare fiber protection tube.
Preferably, a silicone tube and a dust cap are sequentially sleeved at one end of the core insertion block, which is far away from the embedded optical fiber.
Preferably, a notch is formed on one side of the ferrule tailstock.
Preferably, the core insert tailstock is provided with positioning grooves adjacent to two side surfaces of the notch.
Preferably, a heat shrinking tube is sleeved on the periphery of the bare fiber protection tube.
Preferably, a through hole for the embedded optical fiber to pass through is formed in the center of the nail pipe, and colloid is filled in the through hole so that the embedded optical fiber and the nail pipe are connected into a whole.
Preferably, the core insert block is made of ceramic.
From the above, the following beneficial effects can be obtained by applying the present application: through with the nail pipe butt in the one end of lock pin piece inserted pre-buried optic fibre to make the nail pipe box locate pre-buried optic fibre, pre-buried optic fibre passes behind the nail pipe, the tip cover that the lock pin piece was kept away from to the nail pipe is equipped with bare fiber protection tube, the periphery cover at lock pin piece and nail pipe link is equipped with the lock pin tailstock, make lock pin piece and nail pipe connection fixed through the lock pin tailstock, simplify the connection structure of lock pin piece and nail pipe through the design lock pin tailstock, simultaneously effectively reduce the overall height of lock pin structure, in subsequent welding process, the lock pin structure is fixed can be accomplished through the direct centre gripping of welding anchor clamps, avoid finding the condition that the adaptation welds anchor clamps, the welding anchor clamps that realize most welding machines all can weld the centre gripping to welding optic fibre quick connector, improve the range of application of welding optic fibre quick connector, have the characteristics that compatibility is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings that are used in the description of the embodiments of the present application or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a cross-sectional view of a direct-fusion ferrule of an optical fiber quick connector according to an embodiment of the present application;
FIG. 2 is a schematic view of a direct-melting ferrule of an optical fiber quick connector according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a combination of a direct-fusion ferrule structure and a fusion jig of an optical fiber quick connector according to an embodiment of the present application;
fig. 4 is a perspective view of a combination of a direct-fusion ferrule structure and a fusion jig for an optical fiber quick connector according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Examples
In order to solve the above-mentioned technical problems, this embodiment provides a fiber optic quick connector direct-melting core inserting structure, as shown in fig. 1-2, including the core inserting block 10 with one end of the embedded optical fiber 30 inserted therein, the nail pipe 20 abutting on one end of the core inserting block 10 with the embedded optical fiber 30 inserted therein, and make the nail pipe 20 sheathed in the embedded optical fiber 30, after the embedded optical fiber 30 passes through the nail pipe 20, the end part of the nail pipe 20 far away from the core inserting block 10 is sheathed with a bare fiber protecting tube 60, the periphery of the connecting end of the core inserting block 10 and the nail pipe 20 is sheathed with a core inserting tailstock 40, the connecting structure of the core inserting block 10 and the nail pipe 20 is simplified through the core inserting tailstock 40, meanwhile, the whole height of the core inserting structure is effectively reduced, in the subsequent welding process, the situation that the welding clamp is not found is adapted to the welding clamp is avoided, the quick-melting clamp can be completed, the quick connector is realized, the quick connector has the characteristics of quick-melting connector can be realized, and the quick connector can be connected, and the compatibility can be realized.
Specifically, in order to realize that the ferrule tailstock 40 is sleeved on the ferrule block 10 and the nail pipe 20, a notch 41 is formed on one side surface of the ferrule tailstock 40, and a caulking groove 42 is formed on the end surface of the notch 41. After the embedded optical fiber 30 passes through the nail pipe 20, the nail pipe 20 is abutted to one end of the embedded optical fiber 30 inserted in the core-inserting block 10, and then the core-inserting tail seat 40 is sleeved at the joint of the core-inserting block 10 and the nail pipe 20 from the side surface, meanwhile, one protruding end of the nail pipe 20 is embedded through the caulking groove 42, and then the nail pipe 20 and the core-inserting block 10 are relatively fixed through the core-inserting tail seat 40, and further the core-inserting structure fixing can be completed through the direct clamping and fixing of the core-inserting tail seat 40 in the follow-up welding process.
Further, positioning grooves 43 are formed on two side surfaces of the ferrule tailstock 40 adjacent to the notch 41. In some embodiments, the entire ferrule structure is placed in a welding fixture of the welding machine, and the positioning grooves 43 on two opposite sides of the ferrule tailstock 40 are clamped by the welding fixture, so as to clamp and fix the entire ferrule structure.
In actual production, the 0.9 tight-wrapping sheath layer and the 0.25mm coating layer of the optical fiber cable are stripped through a hot stripping machine, the bare optical fiber with the diameter of about 30mm and the diameter of 0.125mm is obtained, the bare optical fiber is cut by the optical fiber cutting knife and is immediately sleeved with the bare optical fiber protection tube, and a user can detach the protection tube on a construction site to directly weld. The maintenance of the cutting edge of the hot stripping machine can be controlled, and the higher yield of continuous fibers is realized, so that the higher cutting yield is achieved.
The end of the ferrule block 10, which is far away from the embedded optical fiber 30, is sequentially sleeved with a silicone tube 70 and a dust cap 50. The core insert 10 is made of ceramic. The silicone tube 70 has the characteristic of 250 ℃ resistance, and is matched with the dustproof cap 50 to prevent external dust from entering the interior of the core block 10, so that the service life and the transmission performance of the embedded optical fiber 30 are ensured.
On the other hand, the outer periphery of the bare fiber protecting tube 60 is sleeved with a heat shrinkage tube 80, and after the optical fibers are welded by the optical fiber welding machine, the heat shrinkage tube 80 is subjected to heat shrinkage through a heat shrinkage bin, so that the protecting effect is achieved. Through the connection structure of the core-inserting block 10 and the nail pipe 20 is simplified by designing the core-inserting tailstock 40, the overall height of the core-inserting structure is effectively reduced simultaneously, the whole core-inserting structure can enter the thermal shrinkage bin of any optical fiber fusion splicer, the optical fiber fusion joint point sleeved with the thermal shrinkage pipe is centered in the thermal shrinkage bin, the stable temperature heating condition in the middle is utilized, the thermal shrinkage pipe can be subjected to good thermal shrinkage, the risk of fiber breakage easily occurring after poor thermal shrinkage is avoided, and the thermal shrinkage quality is improved.
The nail pipe 20 is pressed into the core-inserting tail seat 40 from the notch 41 side of the core-inserting tail seat 40, a through hole is formed in the center of the nail pipe 20, after glue is injected into the through hole at the tail end of the nail pipe 20, the embedded optical fiber 30 is inserted into the through hole, and after the glue is filled into the through hole, the embedded optical fiber 30 and the nail pipe 20 are connected into a whole after solidification. The nail tube 20 is realized by a continuous cutting and stamping mode of tube materials, and the production efficiency and the production cost are low.
On the other hand, this embodiment also provides a welding fixture of a fusion splicer, as shown in fig. 3-4, including a base 91 for placing an optical fiber quick connector ferrule structure, a cover plate 92, a positioning block 94 and a discharge needle 95, a containing groove for placing the optical fiber quick connector is formed on the base 91, a V-shaped groove for positioning the optical fiber is formed on the positioning block 94, after the ferrule structure of the optical fiber quick connector is placed in the containing groove, the distance between the optical fiber precutting surface and the discharge needle by about 2mm is made through adjusting the position, and then the ferrule tailstock 40 of the ferrule structure is pressed down by the cover plate 92 of the fixture, so that the ferrule structure is integrally fixed, and then the fusion splicer drags the welding fixture and the optical fiber to a spatial position suitable for fusion splicing. Wherein, be provided with spring 93 in the apron 92, when the welding jig is when order about apron 92 push down the lock pin structure, cushion and compress tightly lock pin tailstock 40 through spring 93 to realize that optic fibre quick connector lock pin structure need not to join in marriage the type with the welding jig, the compatibility is good.
To sum up, this application scheme has the one end of pre-buried optic fibre through inserting the nail pipe butt in the lock pin piece to make the nail pipe cover locate pre-buried optic fibre, pre-buried optic fibre passes behind the nail pipe, the tip cover that the lock pin piece was kept away from to the nail pipe is equipped with bare fiber protection tube, periphery cover at lock pin piece and nail pipe link is equipped with the lock pin tailstock, make lock pin piece and nail pipe connection fixed through the lock pin tailstock, simplify the connection structure of lock pin piece and nail pipe through the design lock pin tailstock, effectively reduce the overall height of lock pin structure simultaneously, in subsequent welding process, the lock pin structure is fixed can be accomplished through the direct centre gripping of welding anchor clamps, avoid finding the condition that the adaptation welds anchor clamps, realize that the welding anchor clamps of most welding machines all can weld the centre gripping to welding type optic fibre quick connector, improve the range of application of welding type optic fibre quick connector, have the good characteristics of compatibility.
The above-described embodiments do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the above embodiments should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a fiber optic quick connector directly melts lock pin structure which characterized in that: including one end insert have insert core block (10) of pre-buried optic fibre (30), butt in nail pipe (20) of core block (10) and cover are located core block (10) and core plug tailstock (40) of nail pipe (20) link, nail pipe (20) cover are located pre-buried optic fibre (30) nail pipe (20) keep away from the tip cover of core block (10) is equipped with bare fiber protection tube (60).
2. The fiber optic quick connector direct-melt ferrule structure of claim 1, wherein: and one end of the core insertion block (10) far away from the embedded optical fiber (30) is sequentially sleeved with a silicone tube (70) and a dustproof cap (50).
3. The fiber optic quick connector direct-melt ferrule structure of claim 1, wherein: a notch (41) is formed in one side face of the ferrule tailstock (40), and a caulking groove (42) is formed in the end face of the notch (41).
4. The fiber optic quick connector direct-melt ferrule structure of claim 3, wherein: positioning grooves (43) are formed in the two side surfaces, adjacent to the notch (41), of the ferrule tailstock (40).
5. The fiber optic quick connector direct-melt ferrule structure of claim 1, wherein: and a heat shrinkage tube (80) is sleeved on the periphery of the bare fiber protection tube (60).
6. The fiber optic quick connector direct-melt ferrule structure of claim 1, wherein: the nail pipe (20) center is offered and is supplied pre-buried optic fibre (30) pass the through-hole, the intussuseption of through-hole is filled with the colloid in order to make pre-buried optic fibre (30) and nail pipe (20) connect into an organic whole.
7. The fiber optic quick connector direct-melt ferrule structure of claim 1, wherein: the core insert block (10) is made of ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321826682.2U CN220323581U (en) | 2023-07-12 | 2023-07-12 | Direct-melting core-inserting structure of optical fiber quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321826682.2U CN220323581U (en) | 2023-07-12 | 2023-07-12 | Direct-melting core-inserting structure of optical fiber quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220323581U true CN220323581U (en) | 2024-01-09 |
Family
ID=89417839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321826682.2U Active CN220323581U (en) | 2023-07-12 | 2023-07-12 | Direct-melting core-inserting structure of optical fiber quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220323581U (en) |
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2023
- 2023-07-12 CN CN202321826682.2U patent/CN220323581U/en active Active
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