CN210427864U - Optical fiber quick connector of LC structure - Google Patents
Optical fiber quick connector of LC structure Download PDFInfo
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- CN210427864U CN210427864U CN201921380043.1U CN201921380043U CN210427864U CN 210427864 U CN210427864 U CN 210427864U CN 201921380043 U CN201921380043 U CN 201921380043U CN 210427864 U CN210427864 U CN 210427864U
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- cable locking
- lock catch
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 48
- 239000000835 fiber Substances 0.000 claims abstract description 36
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 210000002105 tongue Anatomy 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 230000003287 optical effect Effects 0.000 description 20
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
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Abstract
The utility model relates to a fiber connector technical field especially relates to an optic fibre quick connector of LC structure. The optical fiber stripping device is used for being arranged at the end part of an optical fiber which is subjected to core stripping treatment, and comprises a hollow strip-shaped shell, and an LC (inductance capacitance) core insert, a V-groove piece, a lock catch and a cable locking piece which are coaxially arranged in the shell in sequence along the length direction of the shell; the LC inserting core is pre-embedded with an optical fiber, and the optical fiber is inserted into a slot hole of the V-slot piece along one end of the V-slot piece; the lock catch is movably sleeved outside the V-shaped groove piece; the optical fiber subjected to core stripping treatment is arranged on the cable locking piece, and the bare fiber is exposed; the cable locking piece is inserted into and buckled with the shell, and the other end of the bare fiber inserted into the V-shaped groove piece is in butt joint with the optical fiber of the LC inserting core. The construction method has the advantages of simple structure, simplicity in operation and high construction efficiency.
Description
Technical Field
The utility model relates to a fiber connector technical field especially relates to an optic fibre quick connector of LC structure.
Background
In the rapidly developing optical communication field, people are forced to accelerate the efficiency of fiber-to-the-home in various industries due to the improvement of living standards and the dependence on networks. In the process of fiber-to-the-home, the fiber cables to be handled are various, including conventional 2.0mm optical cables, 3.0mm optical cables, common 2.0 × 3.0mm rubber-insulated cables (butterfly cables), 1.6 × 2.0mm low-friction rubber-insulated cables, and the like.
The optical fiber is quickly connected with a cold connection type and a hot melting type, wherein the cold connection type means that a cutting surface of the optical fiber is in mechanical butt joint with the cutting surface through refractive index matching paste, and the hot melting type means that a section of optical fiber of a connecting joint belt is in fusion joint with the field optical fiber through an optical fiber fusion splicer.
LC structure fiber connector has that the size is little, can deal with the characteristics that high density panel and more cores are connected, and its size is little, and 2 device center spacing 6.25mm of duplex LC adapter international standard, and can deal with multiple FTTX optical cable: 3.0x2.0 butterfly cables and the more used 2.0 x 1.6 low friction butterfly cables abroad.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an invention aim at provides a quick connector of optic fibre of LC structure, adopt the utility model provides a technical scheme not only can realize accomplishing the locking cable construction fast, can also be applicable to the optical cable of two kinds of not unidimensional.
In order to achieve the technical effects, the utility model provides an optical fiber quick connector with LC structure, which is used for being arranged at the end part of an optical fiber which finishes the core stripping treatment; the cable locking device comprises a hollow strip-shaped shell, and an LC inserting core, a V-groove piece, a lock catch and a cable locking piece which are coaxially arranged in the shell in sequence along the length direction of the shell; the LC inserting core is pre-embedded with an optical fiber, and the optical fiber is inserted into a slot hole of the V-slot piece along one end of the V-slot piece; the lock catch is movably sleeved outside the V-shaped groove piece; the optical fiber subjected to core stripping treatment is arranged on the cable locking piece, and the bare fiber is exposed; the cable locking piece is inserted into and buckled with the shell, and the other end of the bare fiber inserted into the V-shaped groove piece is in butt joint with the optical fiber of the LC inserting core.
Preferably, a groove body for meshing the optical fiber is formed at both ends of the cable locking piece along the axial direction; a through hole is formed in the side wall of the shell; and a buckle structure buckled with the through hole is formed on the outer side of the cable locking piece.
Preferably, a spring tongue capable of being pressed down in the radial direction of the lock cable member is formed on the outer side of the lock cable member; the tail end of the elastic tongue is back to the cable locking piece to form a clamping table embedded in the through hole of the shell; the spring tongue forms the buckle structure.
Preferably, the number of the spring tongues is at least two, and at least one spring tongue and the other spring tongues are arranged opposite to each other in the axial direction of the cable locking piece.
Preferably, a locking window is formed on the housing at the position of the locking device; and a boss extending into the lock catch window is formed on the outer side surface of the lock catch.
Preferably, a boosting piece is covered outside the lock catch window; and a boosting block which is abutted against the boss of the lock catch is formed on the inner side surface of the boosting piece facing the lock catch window.
Preferably, the V-groove member comprises a V-groove body and a cover plate; a groove hole for accommodating the optical fiber exposed by the LC inserting core and the bare fiber exposed by the cable locking piece is formed between the V-groove main body and the cover plate; the lock catch moves and enables the cover plate to be pressed with the V-shaped groove main body.
Preferably, a pressing block capable of being pressed downwards is formed on the shell at the peripheral position of the through hole; the pressing block is abutted against the clamping table of the spring bolt.
Preferably, a locking and unlocking mark is formed on an outer side surface of the boosting block.
Preferably, an unlocking mark is formed on the housing at the pressing block, and an insertion arrow is formed on an outer side surface of the insertion end of the lock cable member.
From the above, use the utility model provides an optic fibre quick connector of LC structure can obtain following beneficial effect:
1. the cable locking piece is arranged in the shell, so that cable locking can be completed quickly, the cable locking piece can be used in a two-way mode, the butterfly-shaped optical cables in two sizes can be adapted, the cable locking piece can be unlocked by extruding the extrusion block on the shell, and the cable locking piece has the advantages of being quick in construction, convenient to repair, low in cost and the like;
2. the size of the shell is 5.7mm by 5.7mm, the size of the boosting piece is 6.08mm, the space requirement of 6.25mm of the LC duplex adapter can be met, and the optical cable locking is further realized in a tiny size;
3. clear icons are used for indicating operation on the shell, and the operation is completed through description in place of other same lines, so that the construction efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present invention 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 invention, and that for a person skilled in the art, other drawings can be derived from them without inventive faculty.
Fig. 1 is an assembly schematic diagram of an optical fiber quick connector with an LC structure according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an optical fiber quick connector of an LC structure according to an embodiment of the present invention;
fig. 3 is a structural diagram of a cable locking member of an optical fiber quick connector with an LC structure according to an embodiment of the present invention;
fig. 4 is a structural diagram of an optical fiber quick connector of an LC structure according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, in order to solve the above technical problems, the present embodiment provides an optical fiber quick connector of an LC structure, which is used for being mounted on an end portion of an optical fiber after a core stripping process, and includes a hollow strip-shaped housing 60, and an LC ferrule 10, a V-groove member 20, a latch 30 and a cable locking member 70 coaxially disposed inside the housing 60 in sequence along a length direction thereof.
The LC inserting core 10S is pre-embedded with the optical fiber 11, and the optical fiber 11 is inserted into the slot hole along one end of the V-slot part 20; the lock catch 30 is movably sleeved outside the V-groove 20, the butterfly-shaped optical cable 80 subjected to the core stripping process is installed on the cable locking member 70, the bare fiber 81 is exposed, the cable locking member 70 is inserted and fastened with the shell 60, and the other end of the bare fiber 81 inserted into the V-groove 20 is butted with the optical fiber 11 of the LC ferrule.
Specifically, as shown in fig. 3, a groove 73 for engaging the butterfly-shaped optical cable 80 is formed in the cable locking member 70, and the optical fiber 80 is inserted into the groove 73. The groove 73 can lock 3.0x2.0 and 2.0 x 1.6 butterfly cables respectively; one fitting is matched with 2 types, and the size of the groove 73 of the cable locking piece 70 can be changed to be matched with a flexible optical cable with the diameter of 0.9, 2.0 and 3.0 or an international common diameter optical cable such as 1.6, 1.8 and the like.
In order to facilitate the installation of the butterfly-shaped optical cable 80 and the cable locking member 70, the two ends of the cable locking member 70 in the axial direction are both formed with a groove 73, and any one side of the groove 73 can be selected for installation when the butterfly-shaped optical cable 80 is installed.
To achieve the fastening of the housing 60 and the locking cable member 70, the housing 60 is a hollow bar-shaped housing 60, and the locking cable member 70 can be inserted into the hollow housing 60. A through hole is formed in a side wall of the housing 60, and a fastening structure fastened to the through hole is formed at an outer side of the cable locking member 70.
An elastic tongue 71 capable of being pressed down in the radial direction of the cable locking member 70 is formed on the outer side of the cable locking member 70, a clamping table 72 embedded in the through hole of the housing 60 is formed at the tail end of the elastic tongue 71 opposite to the cable locking member 70, and the clamping table 72 is embedded in the through hole of the housing 60 and abuts against the housing 60, so that the cable locking member 70 and the housing 60 are locked. The latch tongue 71 constitutes a snap-fit structure of the housing 60 and the cable member 70.
In order to facilitate the installation of the housing 60 and the cable locking member 70, at least two spring tongues 71 are included in the cable locking member 70, and at least one spring tongue 71 and other spring tongues 71 of the cable locking member 70 are arranged opposite to each other in the axial direction of the cable locking member 70, so as to achieve the purpose that the cable locking member 70 can be bidirectionally inserted into the housing 60 and can be locked. By providing a plurality of the latch tongues 71 and the centrally symmetrical arrangement between the latch tongues 71, the lock cable member 70 can be inserted into the housing 60 and locked regardless of the front and back surfaces.
Further, in order to detach the cable locking member 70 from the housing 60, a pressing block capable of being pressed downward is formed at a peripheral position of the through hole on the housing 60. When the cable locking piece 70 is locked into the housing 60, the clamping table 72 of the spring bolt 71 is embedded into the through hole of the housing 60, and the pressing block on the housing 60 is pressed against the clamping table 72 of the spring bolt 71, so that the spring bolt 71 is pressed downwards in the radial direction of the cable locking piece 70, the clamping table 72 is further separated from the through hole, and the cable locking piece 70 is detached from the housing 60.
An unlocking mark is formed on the extrusion block on the shell 60 and used for prompting an installer to detach the locking cable piece 70, and an insertion arrow 63 is formed on the outer side surface of the insertion end of the locking cable piece 70 and used for prompting the installer to insert the direction of the locking cable piece 70, so that installation and detachment information is efficiently provided for the installer to finish operation, and the construction efficiency is improved.
In order to realize that the other end of the bare fiber 81 inserted into the V-groove member 20 is butted with the fiber 11 of the LC ferrule, the V-groove member 20 includes a V-groove main body and a cover plate, a groove hole for accommodating the fiber 11 exposed by the LC ferrule 10 and the bare fiber 81 exposed by the cable locking member 70 is formed between the V-groove main body and the cover plate, the fiber 11 pre-embedded by the LC ferrule 10 and the bare fiber 81 of the cable locking member 70 are contacted and connected in the groove hole, and the cover plate is pressed on the V-groove main body to realize the compression of the internal fiber.
The latch 30 is sleeved on the V-groove member 20, and the latch 30 can move on the V-groove member 20 and press the cover plate and the V-groove main body together, so as to fix the exposed optical fiber 11 of the LC ferrule 10 and the bare fiber 81 in the groove hole. When disassembly is required, the lock catch 30 is moved to prevent the cover plate and the V-groove main body from being pressed against each other, so as to achieve the purpose of disassembling the internal optical fiber 11, thereby controlling the pressing and loosening of the cover plate and the V-groove main body through the movement of the lock catch 30.
An LC spring 50 is provided in the housing 60 for inserting the V-groove 20, and when the V-groove 20 is inserted into the housing 60, the tail protrusion of the V-groove 20 snaps into the groove in the housing 60, and at this time, the LC spring 50 provides a pre-load force to the V-groove 20, and the V-groove 20 is held against the housing 60.
To complete the movement of the position of the latch 30, a latch window 61 is formed at the position of the latch on the housing 60, and a boss 31 extending into the latch window is formed on the outer side surface of the latch 30. The push-aid member 40 is fitted around the lock window 61, and a push-aid block abutting against the boss of the lock 30 is formed on the push-aid member 40 toward the inner side of the lock window.
Specifically, when needing the unblock, then promote boosting 40 to the unblock position, the boss on boosting piece promotion hasp 30 on boosting 40, hasp 30 backward moves to the unblock position for apron and V groove main part no longer compress tightly each other, push down the cable locking device this moment, apply light power simultaneously and extract the optical cable, reach the purpose of dismantling inside optical cable. The pushing aid 40 is pushed tightly in the locking direction,
when the installation is finished and the locking is needed, the boosting part 40 is pushed to the locking position, the boosting block on the boosting part 40 pushes the boss on the lock catch 30, the lock catch 30 moves forwards to the locking position, so that the cover plate and the V-groove main body are mutually pressed, the optical cable optical fiber 81 and the optical fiber 11 pre-embedded in the V-groove part 20 are locked, and the purpose of optically connecting the optical fiber 81 and the optical fiber 11 is achieved.
It should be noted that, the space requirement of the LC duplex adapter is 6.25mm, in order to meet the above requirements, the size of the housing 60 provided in this embodiment is 5.7mm × 5.7mm, and the size of the booster is 6.08mm, so this structure can adapt to the 6.25mm space requirement of the LC duplex adapter, and further realize optical cable locking in a small size, and has the characteristics of rapid construction, convenient repair, low cost, and the like.
As shown in fig. 4, a locking and unlocking mark 41 is formed on the outer side surface of the boosting block 40, the boosting block 40 is pushed to the locking mark, that is, the locking state, and the optical fiber is fixed in the housing 60 and realizes optical connection; otherwise, the optical fiber can be pulled out when the optical fiber is pushed to the unlocking mark, namely the unlocking state is achieved. The locking and unlocking mark 41 can conveniently prompt an operator of the mounting and dismounting method, operation information is provided through a specification instead of completing the operation, and the construction efficiency is improved.
From the above, use the utility model provides an optic fibre quick connector of LC structure can obtain following beneficial effect:
1. the cable locking piece is arranged in the shell, so that cable locking can be completed quickly, the cable locking piece can be used in a two-way mode, the butterfly-shaped optical cables in two sizes can be adapted, the cable locking piece can be unlocked by extruding the extrusion block on the shell, and the cable locking piece has the advantages of being quick in construction, convenient to repair, low in cost and the like;
2. the size of the shell is 5.7mm by 5.7mm, the size of the boosting piece is 6.08mm, the space requirement of 6.25mm of the LC duplex adapter can be met, and the optical cable locking is further realized in a tiny size;
3. clear icons are used for indicating operation on the shell, and the operation is completed through description in place of other same lines, so that the construction efficiency is improved.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (10)
1. An optical fiber quick connector with an LC structure is used for being arranged at the end part of an optical fiber which is subjected to core stripping treatment; the method is characterized in that: the cable locking device comprises a hollow strip-shaped shell, and an LC inserting core, a V-groove piece, a lock catch and a cable locking piece which are coaxially arranged in the shell in sequence along the length direction of the shell; the LC inserting core is pre-embedded with an optical fiber, and the optical fiber is inserted into a slot hole of the V-slot piece along one end of the V-slot piece; the lock catch is movably sleeved outside the V-shaped groove piece; the optical fiber subjected to core stripping treatment is arranged on the cable locking piece, and the bare fiber is exposed; the cable locking piece is inserted into and buckled with the shell, and the other end of the bare fiber inserted into the V-shaped groove piece is in butt joint with the optical fiber of the LC inserting core.
2. The fiber optic quick connector of claim 1, wherein: two ends of the cable locking piece along the axial direction are respectively provided with a groove body meshed with the optical fiber; a through hole is formed in the side wall of the shell; and a buckle structure buckled with the through hole is formed on the outer side of the cable locking piece.
3. The fiber optic quick connector of claim 2, wherein: a spring tongue capable of being pressed down in the radial direction of the cable locking piece is formed on the outer side of the cable locking piece; the tail end of the elastic tongue is back to the cable locking piece to form a clamping table embedded in the through hole of the shell; the spring tongue forms the buckle structure.
4. The fiber optic quick connector of claim 3, wherein: the elastic tongues are at least two, and at least one elastic tongue and other elastic tongues are arranged in the axial direction of the cable locking piece in a back-to-back mode.
5. The fiber optic quick connector of claim 2, wherein: a lock catch window is formed on the shell at the position of the lock catch; and a boss extending into the lock catch window is formed on the outer side surface of the lock catch.
6. The fiber optic quick connector of claim 5, wherein: a boosting piece is covered outside the lock catch window; and a boosting block which is abutted against the boss of the lock catch is formed on the inner side surface of the boosting piece facing the lock catch window.
7. The fiber optic quick connector of claim 2, wherein: the V-groove piece comprises a V-groove main body and a cover plate; a groove hole for accommodating the optical fiber exposed by the LC inserting core and the bare fiber exposed by the cable locking piece is formed between the V-groove main body and the cover plate; the lock catch moves and enables the cover plate to be pressed with the V-shaped groove main body.
8. The fiber optic quick connector of claims 3 or 4, wherein: a pressing block capable of being pressed downwards is formed on the shell at the peripheral position of the through hole; the pressing block is abutted against the clamping table of the spring bolt.
9. The fiber optic quick connector of claim 6, wherein: and locking and unlocking marks are formed on the outer side surface of the boosting block.
10. The fiber optic quick connector of claim 8, wherein: an unlocking mark is formed on the shell at the position of the extrusion block, and an insertion arrow is formed on the outer side surface of the insertion end of the locking cable piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921380043.1U CN210427864U (en) | 2019-08-23 | 2019-08-23 | Optical fiber quick connector of LC structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921380043.1U CN210427864U (en) | 2019-08-23 | 2019-08-23 | Optical fiber quick connector of LC structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210427864U true CN210427864U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921380043.1U Active CN210427864U (en) | 2019-08-23 | 2019-08-23 | Optical fiber quick connector of LC structure |
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| Country | Link |
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| CN (1) | CN210427864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942492A (en) * | 2022-06-15 | 2022-08-26 | 北京瑞祺皓迪技术股份有限公司 | Elastic buckle type optical fiber connecting device and optical fiber wiring method |
-
2019
- 2019-08-23 CN CN201921380043.1U patent/CN210427864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942492A (en) * | 2022-06-15 | 2022-08-26 | 北京瑞祺皓迪技术股份有限公司 | Elastic buckle type optical fiber connecting device and optical fiber wiring method |
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Effective date of registration: 20200803 Address after: Room 102, building 2, No. 101, Tianbei Road, Tangxia Town, Dongguan City, Guangdong Province 523726 Patentee after: Dongguan Qingying Industry Co.,Ltd. Address before: 523716 No.5, hi tech 4th Road, hi tech Industrial Zone, Tangxia Town, Dongguan City, Guangdong Province Patentee before: Yu Deqing |