CN114035281A - Optical connector - Google Patents
Optical connector Download PDFInfo
- Publication number
- CN114035281A CN114035281A CN202111391767.8A CN202111391767A CN114035281A CN 114035281 A CN114035281 A CN 114035281A CN 202111391767 A CN202111391767 A CN 202111391767A CN 114035281 A CN114035281 A CN 114035281A
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- CN
- China
- Prior art keywords
- push
- housing
- pull
- optical connector
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 78
- 210000001503 joint Anatomy 0.000 claims abstract description 15
- 238000007667 floating Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000003032 molecular docking Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 9
- 230000013011 mating Effects 0.000 description 9
- 239000013307 optical fiber Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3897—Connectors fixed to housings, casing, frames or circuit boards
Abstract
The invention provides an optical connector, which comprises at least one pair of single-core optical connectors and a connector shell, wherein the connector shell comprises a shell, the shell is provided with at least one pair of coaxial stepped holes, the pair of stepped holes are respectively positioned at two opposite ends of the connector shell, and an alignment sleeve is arranged between the pair of stepped holes; the single-core optical connector comprises a butt joint component and a push-pull connecting component, the butt joint component is installed inside the push-pull connecting component, the push-pull connecting component is detachably connected with the stepped hole in an inserting mode, and a pair of butt joint components are inserted into the alignment sleeve from two ends respectively. The single-core optical connector adopts a push-pull locking structure to realize detachable connection with the connector shell, the installation space of the optical connector is small, and the dismounting efficiency is higher.
Description
Technical Field
The present invention relates to the field of optical device related technology, and more particularly to an optical connector.
Background
An optical connector is a passive optical device used to connect mating optical fibers or cables. The optical connector and the adapter complete the precise butt joint of two end faces of the optical fiber through a mechanical structure to realize the transmission of optical signals, and the optical connector and the adapter can realize the movable connection between the optical fiber and can be widely applied to an optical communication system between equipment, thereby providing a connection scheme which is convenient, reliable and convenient to maintain for the transmission of the optical signals. Currently, the most widely used optical connectors and adapters in industry are FC connectors, SC connectors, LC connectors, etc. specified by IEC, and other similar connectors are adjusted based on these connectors.
The existing optical connector and the adapter are mostly connected by adopting the single-core adapter, the external dimension of the connector is larger and occupies more installation space due to the connection modes such as the threads adopted by the single-core adapter, and a part of operation space needs to be reserved between the other two connectors, so that the space utilization rate on the equipment panel is further reduced, and the area of the panel of the equipment can be seriously increased on the occasion of needing to connect a large number of single-core connectors. In addition, in the existing optical connector, the connector housing and the optical terminal are mostly connected by adopting stable threads or steps, once the locking relationship is formed, the housing needs to be damaged or an external tool needs to be used for disassembling, which is very troublesome.
In summary, there is a need in the art for an optical connector that requires less space for the detachable structure and does not affect the detachable function, so as to reduce the space occupation and facilitate the operation of easy detachment.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an optical connector, which includes at least a pair of single-core optical connectors and a connector housing, wherein the single-core optical connectors and the connector housing are detachably connected by using a push-pull locking structure, so as to reduce an operation space required for assembly and disassembly, improve a space utilization rate, and improve assembly and disassembly efficiency.
In order to achieve the above object, the present invention provides an optical connector comprising at least a pair of single-core optical connectors and a connector housing, the connector housing comprising a housing having at least a pair of coaxial stepped holes, the pair of stepped holes being respectively located at opposite ends of the connector housing, and an alignment sleeve being provided between the pair of stepped holes; the single-core optical connector comprises a butt joint component and a push-pull connecting component, the butt joint component is installed inside the push-pull connecting component, the push-pull connecting component is detachably connected with the stepped hole in an inserting mode, and a pair of butt joint components are inserted into the alignment sleeve from two ends respectively.
Preferably, the push-pull connecting assembly comprises an elastic shell, a push-pull spring and a push-pull shell, the butt joint assembly is installed inside the elastic shell, an opposite insertion end of the elastic shell is provided with an elastic branch part, and the pipe diameter of the elastic branch part is smaller than that of the rest part of the elastic shell; the push-pull spring is arranged around the elastic branch part, and one end of the push-pull spring is abutted against the elastic shell; the push-pull shell wraps the elastic shell and the push-pull spring, the opposite insertion end of the push-pull shell is provided with an abutting part, the pipe diameter of the abutting part is smaller than that of the rest part of the push-pull shell, and one end of the abutting part abuts against the push-pull spring; the butt joint part is provided with a plurality of hollow windows, and the elastic branch part is provided with a plurality of conical surface steps penetrating out of the hollow windows at positions corresponding to the hollow windows; the opposite insertion end of the abutting part is provided with a shell blocking piece.
Preferably, the push-pull housing has a key extending in an axial direction thereof at a side of the abutting portion, and the housing has a key groove extending in an axial direction thereof at an inner side of the stepped hole, the key being inserted into the key groove when the abutting portion is inserted into the stepped hole.
Preferably, the elastic branch part adopts a hollow structure.
Preferably, the elastic outer shell and the push-pull outer shell are both tubular.
Preferably, the butt joint subassembly includes tail handle, floating spring, locating piece, needle seat and ceramic lock pin, the tail handle fixed mounting be in elastic housing keeps away from the tip of elasticity branch portion, floating spring the locating piece and the equal slidable setting of needle seat is in inside the elastic housing, floating spring one end with the tail handle butt, floating spring keeps away from the one end butt of tail handle the locating piece, the needle seat with locating piece fixed connection, the ceramic lock pin with the needle seat is kept away from the one end fixed connection of locating piece.
Preferably, the alignment sleeve is movably arranged in the shell, and the positioning sleeves for limiting the alignment sleeve are respectively arranged in the step holes at the two ends of the alignment sleeve.
Preferably, the housing has a plurality of pairs of stepped holes, and the stepped holes are parallel to each other or arranged in an array or distributed circumferentially.
Compared with the prior art, the optical connector disclosed by the invention has the advantages that: the single-core optical connector of the optical connector is detachably connected with the connector shell by adopting a push-pull locking structure, so that the installation space of the optical connector can be effectively reduced, and the disassembly and assembly efficiency is improved; the single-core optical connector of the optical connector can be disassembled and assembled by holding the tail part of the single-core optical connector by hand, so that the space required by operation is reduced, and the space utilization rate is further improved; the optical connector is more expandable.
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 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 invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of an optical connector according to the present invention.
Fig. 2 is a schematic cross-sectional view of a single-core optical connector according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a single-core optical connector according to the present invention.
Fig. 4 is a schematic cross-sectional view of a connector housing of an optical connector according to the present invention.
Fig. 5 is a schematic structural diagram of a connector housing of an optical connector according to the present invention.
Fig. 6 is a schematic diagram showing alignment of a single-core optical connector of an optical connector according to the present invention with a stepped hole of a connector housing.
Fig. 7 is a schematic cross-sectional view of a single-core optical connector portion of an optical connector according to the present invention inserted into a stepped hole of a connector housing.
Fig. 8 is a schematic view showing a pair of single-core optical connector portions of an optical connector according to the present invention inserted into stepped holes of a connector housing.
Fig. 9 is a schematic view showing a pair of single-core optical connectors of an optical connector according to the present invention when they are completely inserted into stepped holes of a connector housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2 and 4, an optical connector of the present application includes at least a pair of single-core optical connectors 1 and a connector housing 2, the connector housing 2 includes a housing 21, the housing 21 has at least a pair of coaxial stepped holes 20, the pair of stepped holes 20 are respectively located at two opposite ends of the connector housing 2, an alignment sleeve 23 is disposed between the pair of stepped holes 20, positioning sleeves 22 for limiting the alignment sleeve 23 are respectively installed inside the stepped holes 20 at two ends of the alignment sleeve 23, the alignment sleeve 23 is movable in the housing 21, and the alignment sleeve 23 is made of a ceramic material. The single-core optical connector 1 includes a docking assembly 101 and a push-pull connection assembly 102, the docking assembly 101 is installed inside the push-pull connection assembly 102, and the push-pull connection assembly 102 is detachably inserted into the stepped hole 20. A pair of mating assemblies 101 are inserted into the alignment sleeve 23 from both end pairs to achieve a tight mating of the optical paths in the alignment sleeve 23.
Specifically, referring to fig. 2 and 3, the push-pull connection assembly 102 includes a tubular elastic casing 14, a push-pull spring 15 and a tubular push-pull casing 16, the docking assembly 101 is installed inside the elastic casing 14, the opposite insertion end of the elastic casing 14 has an elastic branch portion 141, and the pipe diameter of the elastic branch portion 141 is smaller than that of the rest portion of the elastic casing 14; the push-pull spring 15 is arranged around the elastic branch part 141, and one end of the push-pull spring 15 is abutted against the elastic shell 14; the push-pull shell 16 wraps the elastic shell 14 and the push-pull spring 15, the opposite insertion end of the push-pull shell 16 is provided with an abutting part 161, the pipe diameter of the abutting part 161 is smaller than that of the rest part of the push-pull shell 16, and one end of the abutting part 161 is abutted to the push-pull spring 15; the abutting part 161 is provided with a plurality of hollow windows 162, and the elastic branch part 141 is provided with a plurality of conical surface steps 1411 which penetrate out of the hollow windows 162 and correspond to the hollow windows 162; the mating end of the mating portion 161 has a housing stop 163. When the inclined surface of the tapered step 1411 is pressed, the elastic branch portion 141 is deformed, and the tapered step 1411 is contracted into the abutting portion 161.
Referring to fig. 7 to 9, when the single-core optical connector 1 is inserted into the stepped hole 20, the mating component 101 is aligned with the stepped hole 20, and then the mating portion 161 is inserted into the stepped hole 20, the stepped hole 20 presses the inclined surface of the tapered step 1411, and the tapered step 1411 shrinks into the mating portion 161, so that the mating portion 161 can be inserted into the stepped hole 20 without being blocked; after the single-core tube connector 1 is inserted, the elastic branch portion 141 is deformed again, the conical surface step 1411 penetrates out of the hollow window 162 again to be clamped and limited with the step hole 20, and the single-core tube connector 1 is fixedly connected with the connector shell 2.
When the single-core optical connector 1 needs to be taken out of the stepped hole 20, the push-pull housing 16 is pulled backwards, the housing stopper 163 presses the inclined surface of the tapered step 1411, the elastic branch portion 141 deforms, the tapered step 1411 contracts into the abutting portion 161, the push-pull housing 16 presses the push-pull spring 15, the engagement between the tapered step 1411 and the stepped hole 20 is released, and the single-core optical connector 1 can be taken out of the stepped hole 20. After the pulling-out, the push-pull housing 16 is reset under the action of the push-pull spring 15 restoring deformation, the elastic branch portion 141 restores deformation, and the tapered step 1411 penetrates out of the hollow window 162 again.
The single-core optical connector 1 is detachably connected with the stepped hole 20 through the push-pull connecting assembly 102, the plugging operation can be completed through the tail portion of the push-pull shell 16, an operation space does not need to be reserved near the stepped hole 20, the space utilization rate is favorably improved, the overall size of the optical connector is reduced, meanwhile, the disassembly and assembly operation is facilitated, and the disassembly and assembly efficiency is favorably improved.
Referring to fig. 3 and 5, the abutment 161 has a key 164 extending in an axial direction thereof at a side thereof, and the stepped hole 20 has a key groove 201 extending in an axial direction thereof at an inner side thereof, and the key 164 is inserted into the key groove 201 when the abutment 161 is inserted into the stepped hole 20. The key 164 is matched with the key groove 201, plays a role in guiding in the process of inserting and extracting the single-fiber optical connector 1, plays a role in preventing the single-fiber optical connector 1 from rotating when the single-fiber optical connector 1 is inserted into the stepped hole 20, facilitates the plugging operation, is beneficial to improving the plugging operation efficiency, and is beneficial to improving the connection stability.
The elastic branch portion 141 is preferably hollow to achieve the contraction function of the tapered step 1411.
Referring to fig. 2 and 3, docking assembly 101 includes tail handle 11, floating spring 12, locating block 13, ferrule holder 17, and ferrule 18. Caudal peduncle 11 fixed mounting is in the tip that elastic housing 14 kept away from elasticity branch portion 141, floating spring 12, locating piece 13 and the equal slidable setting of plug pin seat 17 are inside elastic housing 14, floating spring 12 one end and caudal peduncle 11 butt, floating spring 12 keeps away from the one end butt locating piece 13 of caudal peduncle 11, plug pin seat 17 and locating piece 13 fixed connection, the one end fixed connection that locating piece 13 was kept away from to pottery lock pin 18 and plug pin seat 17, and pottery lock pin 18 stretches out the tip of elastic housing 14. The pair of ceramic ferrules 18 are inserted into the alignment sleeve 23 from two end pairs, and the tight butt joint of the optical paths is realized in the alignment sleeve 23, and at the moment, the floating springs 12 of the single fiber optical connectors 1 at two ends are both in a compressed state, so that end surface relay is provided for the compression of the single fiber optical connectors 1 when the single fiber optical connectors are butted in the connector housing 2; when the alignment sleeve 23 is moved, when the floating spring 12 of the single-fiber optical connector 1 on one side is compressed, the floating spring 12 of the single-fiber optical connector 1 on the other side can rebound properly, so that a certain end face butting force is ensured when the single-fiber optical connector 1 is butted in the connector housing 2, the optical performance is ensured, and floating butting is realized.
When the optical fibers are required to be connected in a side-by-side arrangement, the connector housing 2 has a plurality of pairs of stepped holes 20 arranged in parallel on a housing 21 as shown in fig. 5. When optical fibers are required to be arranged in an array or distributed circumferentially, stepped holes 20 arranged in an array or stepped holes 20 distributed circumferentially on the housing 21 can be arranged flexibly.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An optical connector comprising at least a pair of single-core optical connectors and a connector housing, said connector housing comprising a housing having at least a pair of coaxial stepped holes, said pair of stepped holes being respectively located at opposite ends of said connector housing, and an alignment sleeve being provided between said pair of stepped holes; the single-core optical connector comprises a butt joint component and a push-pull connecting component, the butt joint component is installed inside the push-pull connecting component, the push-pull connecting component is detachably connected with the stepped hole in an inserting mode, and a pair of butt joint components are inserted into the alignment sleeve from two ends respectively.
2. The optical connector according to claim 1, wherein the push-pull connection assembly comprises an elastic housing, a push-pull spring and a push-pull housing, the docking assembly is mounted inside the elastic housing, the docking end of the elastic housing has an elastic branch portion, and the pipe diameter of the elastic branch portion is smaller than that of the rest portion of the elastic housing; the push-pull spring is arranged around the elastic branch part, and one end of the push-pull spring is abutted against the elastic shell; the push-pull shell wraps the elastic shell and the push-pull spring, the opposite insertion end of the push-pull shell is provided with an abutting part, the pipe diameter of the abutting part is smaller than that of the rest part of the push-pull shell, and one end of the abutting part abuts against the push-pull spring; the butt joint part is provided with a plurality of hollow windows, and the elastic branch part is provided with a plurality of conical surface steps penetrating out of the hollow windows at positions corresponding to the hollow windows; the opposite insertion end of the abutting part is provided with a shell blocking piece.
3. The optical connector according to claim 2, wherein the side of the abutting portion of the push-pull housing has a key extending in the axial direction thereof, and the inside of the stepped hole of the housing has a key groove extending in the axial direction thereof, the key being inserted into the key groove when the abutting portion is inserted into the stepped hole.
4. The optical connector of claim 2, wherein the resilient leg portion is hollowed out.
5. The optical connector of claim 2, wherein the resilient housing and the push-pull housing are both tubular.
6. The optical connector of claim 2, wherein the docking assembly includes a tail handle, a floating spring, a positioning block, a pin seat and a ferrule, the tail handle is fixedly mounted at an end of the elastic housing away from the elastic branch portion, the floating spring, the positioning block and the pin seat are slidably disposed inside the elastic housing, one end of the floating spring abuts against the tail handle, one end of the floating spring away from the tail handle abuts against the positioning block, the pin seat is fixedly connected with the positioning block, and the ferrule is fixedly connected with one end of the pin seat away from the positioning block.
7. The optical connector of claim 1, wherein the alignment sleeve is movably disposed in the housing, and a positioning sleeve for limiting the alignment sleeve is respectively mounted inside the stepped holes at both ends of the alignment sleeve.
8. The optical connector of claim 1, wherein the housing has a plurality of pairs of stepped holes, and the stepped holes are arranged in parallel or in an array or are circumferentially distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111391767.8A CN114035281A (en) | 2021-11-19 | 2021-11-19 | Optical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111391767.8A CN114035281A (en) | 2021-11-19 | 2021-11-19 | Optical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114035281A true CN114035281A (en) | 2022-02-11 |
Family
ID=80145157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111391767.8A Pending CN114035281A (en) | 2021-11-19 | 2021-11-19 | Optical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114035281A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4872736A (en) * | 1988-04-19 | 1989-10-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Connector assembly having a latching mechanism |
| CN201788299U (en) * | 2010-08-31 | 2011-04-06 | 常州市新盛电器有限公司 | Optical fiber connector |
| CN103630982A (en) * | 2013-12-19 | 2014-03-12 | 武汉光迅科技股份有限公司 | Small-size optical fiber connector and adapter thereof |
| CN108241192A (en) * | 2017-11-14 | 2018-07-03 | 烽火通信科技股份有限公司 | A kind of fiber connector and joint |
| CN112817096A (en) * | 2021-02-22 | 2021-05-18 | 江苏宇特光电科技股份有限公司 | Optical fiber connector, optical fiber connector system and polarity-variable optical fiber connector system |
-
2021
- 2021-11-19 CN CN202111391767.8A patent/CN114035281A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4872736A (en) * | 1988-04-19 | 1989-10-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Connector assembly having a latching mechanism |
| CN201788299U (en) * | 2010-08-31 | 2011-04-06 | 常州市新盛电器有限公司 | Optical fiber connector |
| CN103630982A (en) * | 2013-12-19 | 2014-03-12 | 武汉光迅科技股份有限公司 | Small-size optical fiber connector and adapter thereof |
| CN108241192A (en) * | 2017-11-14 | 2018-07-03 | 烽火通信科技股份有限公司 | A kind of fiber connector and joint |
| CN112817096A (en) * | 2021-02-22 | 2021-05-18 | 江苏宇特光电科技股份有限公司 | Optical fiber connector, optical fiber connector system and polarity-variable optical fiber connector system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220211 |
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| RJ01 | Rejection of invention patent application after publication |