CN105044851B - Joints of optical fibre housing and the joints of optical fibre - Google Patents
Joints of optical fibre housing and the joints of optical fibre Download PDFInfo
- Publication number
- CN105044851B CN105044851B CN201510214763.0A CN201510214763A CN105044851B CN 105044851 B CN105044851 B CN 105044851B CN 201510214763 A CN201510214763 A CN 201510214763A CN 105044851 B CN105044851 B CN 105044851B
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- Prior art keywords
- joints
- lens
- optical fibre
- pushing tow
- load
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- Mechanical Coupling Of Light Guides (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention relates to joints of optical fibre housing and the joints of optical fibre, the joints of optical fibre include joints of optical fibre housing, it is the body to spigot that joints of optical fibre housing, which includes front end, contact pin mounting hole is provided with body, optical fiber contact pins are installed in contact pin mounting hole, lens are provided with front side of corresponding contact pin mounting hole on body, the front end of the optical fiber contact pins is in the focal position of the lens.A kind of joints of optical fibre the invention provides joints of optical fibre housing for reducing unit area optical density and using the joints of optical fibre housing.
Description
Technical field
The present invention relates to the joints of optical fibre housing in field of signal transmissions and the joints of optical fibre.
Background technology
Enter row data communication in the rack of communication equipment, it is necessary between backboard and daughter board, at present, use is more ripe
Communication mode be to be transmitted using high-speed-differential electric connector, the defects of this communication mode is due to electric signal transmission, have one
Fixed transmission limit.
And if the data between backboard and daughter board are communicated and transmitted using optical fiber, can more existing electrical transmission in transmission capacity
High is more, but optical fiber transmission is related to the fiber junctions connection between daughter board and backboard, because fiber core external diameter is in a μm level, adds
Trimmed book body characteristic, the quality of docking contact end face is extremely sensitive.In actual use, back panel connector is generally pre- with backboard
First it is installed in rack, daughter board is installed as needed follow-up, because computer room is usually non-clean section, is readily incorporated dust etc.
Booty is on cabinet female connector, then easily causing end surface of optical fiber connector booty, and in product in use, being typically wind in cabinet
After cold mode, even plug and socket are to inserting, still there is the necessity for carrying out dustproof design.
The existing this optical connector for being provided with dustproof construction as disclosed in Chinese patent CN104412141A " use by backboard
Optical connector ", a kind of plug and socket is disclosed in the patent document, and socket includes the interior socket shell for being provided with contact pin mounting hole
Body, is provided with optical fiber contact pins in contact pin mounting hole, the front end of Socket casing be hinged with hinge axes extend in left-right direction it is anti-
Dirt plate, plug include the plug casing with push pedal, and in plug, socket grafting, push pedal pushing tow the front face of dust excluding plate simultaneously
Rotate clockwise dust excluding plate and dig so that the optical fiber contact pins in the optical fiber contact pins and socket in plug casing to insert, two
Individual optical fiber contact pins form light path to inserting, and after plug, socket grafting terminate, make plug, socket separation, dust excluding plate relies on deadweight inverse
Turned under hour hands and cover Socket casing again, so as to ensure that the optical fiber contact pins in Socket casing are in dustfree environment.It is existing
This dustproof construction has problems in that：（1）The engagement process of push pedal and dust excluding plate is as shown in Figure 1：Push pedal 1 with dust excluding plate
During 2 pushing tow, F1, F2, F3 represent dust excluding plate in rotation process respectively, and push pedal is to the thrust direction of dust excluding plate, by scheming
Understand, in dust excluding plate rotation process, push pedal is changing always to the torque arm length of the thrust of dust excluding plate, when push pedal is in
During vertical state, the arm of force is maximum, and with the rotation of dust excluding plate, the arm of force tapers into, that is to say, that in order to realize that dust excluding plate rotates
And required thrust is increasing, this aspect can increase the grafting difficulty of plug, socket, on the other hand be inserted in plug, socket
The later stage is connect, operating personnel, which must apply larger thrust, could realize that dust excluding plate rotates, and this big thrust can increase plug
Grafting speed, plug produces larger shock with socket could complete the grafting process of plug, socket, can so reduce making for plug
With the life-span, in addition, after dust excluding plate is dug completely, dust excluding plate can not be hidden in push pedal, can so increase the size of plug, unfavorable
Made in the miniaturization of plug；（2）Even if there is the protection of dust excluding plate, it can not still ensure that optical fiber contact pins are in absolute dustless ring
Border, once dust is speckled with the end face of optical fiber contact pins, and the light path radius that optical fiber contact pins are formed is smaller, the light of unit area
Density is larger, and the optical signal susceptibility dirty to dust is very high, and the transmission to signal is significantly unfavorable.
The content of the invention
It is an object of the invention to provide a kind of joints of optical fibre housing for reducing unit area optical density；The present invention's
Purpose, which also resides in, provides a kind of joints of optical fibre using the joints of optical fibre housing.
In order to solve the above problems, the technical scheme of joints of optical fibre housing is in the present invention：
Joints of optical fibre housing, including front end are the body to spigot, are provided with body and are installed for corresponding optical fiber contact pins
Contact pin mounting hole, lens are provided with body on front side of corresponding contact pin mounting hole, lens, which have, is in corresponding optical fiber contact pins
Leading section focus.
The lens are lenticule.
The lens are arranged on the body by lens mount, and lens mount is wholely set with the body or lens mount
It is installed on the body.
Joints of optical fibre housing also includes the dust excluding plate that pivot center extends in left-right direction, is provided with the dust excluding plate
With the load axle of the pivot center eccentric setting, load axle, which has, to be used to accordingly be adapted in the push pedal on the joints of optical fibre
Pushing tow inclined-plane pushing tow and the circular arc load-carrying surface for making the dust excluding plate be overturn along clockwise direction around hinge axes.
The technical scheme of the joints of optical fibre is in the present invention：
The joints of optical fibre, including joints of optical fibre housing, it is the body to spigot that joints of optical fibre housing, which includes front end, this
Contact pin mounting hole is provided with vivo, optical fiber contact pins are installed in contact pin mounting hole, in the front side of corresponding contact pin mounting hole on body
Lens are provided with, the front end of the optical fiber contact pins is in the focal position of the lens.
The focus of the lens is located on the rear end face of the lens, is provided with body to the optical fiber contact pins and applies court
Front direction elastic acting force and the leading section of the optical fiber contact pins is held out against the flexible member on the rear end face of the lens.
The lens are lenticule.
The lens are arranged on the body by lens mount, and lens mount is wholely set with the body or lens mount
It is installed on the body.
Joints of optical fibre housing also includes the dust excluding plate that pivot center extends in left-right direction, is provided with the dust excluding plate
With the load axle of the pivot center eccentric setting, load axle, which has, to be used to accordingly be adapted in the push pedal on the joints of optical fibre
Pushing tow inclined-plane pushing tow and the circular arc load-carrying surface for making the dust excluding plate be overturn along clockwise direction around hinge axes.
Beneficial effects of the present invention are：When Optical fiber plug, fiber-optical socket are to inserting, due to the leading section of plug fibers contact pin
At the focal position of plug lens, the front end of socket optical fiber contact pins is at the focal position of receptable lens, therefore light
Road through plug fibers contact pin to socket optical fiber contact pins transmit when, light path first is expanded by plug lens, then reduced by receptable lens
Finally transmit to socket optical fiber contact pins, that is to say, that the light path radius between plug fibers contact pin and socket optical fiber contact pins is put
It is big, the optical density of unit area is so reduced, optical signal is reduced to dirty susceptibility, is advantageous to the transmission of signal.
Brief description of the drawings
Fig. 1 is the cooperation schematic diagram of push pedal and dust excluding plate in the prior art in the present invention；
Use state figure when Fig. 2 is the non-grafting of Optical fiber plug in the present invention, socket；
Fig. 3 is Optical fiber plug in the present invention, the use state figure after socket grafting；
Fig. 4 is the structural representation of socket contact module in the present invention；
Fig. 5 is Fig. 4 exploded view；
Fig. 6 is the cooperation schematic diagram of dust excluding plate and Socket casing in Fig. 4；
Fig. 7 is structural representation when dust excluding plate is removed by Socket casing in Fig. 6；
Fig. 8 is the structural representation in socket assembling process in the present invention；
Fig. 9 is the process schematic of push pedal pushing tow dust excluding plate in the present invention；
Figure 10 is receptable lens and the structural representation before the cooperation of plug lens in the present invention；
Figure 11 is receptable lens and the structural representation after the cooperation of plug lens in the present invention；
Figure 12 is the schematic diagram that receptable lens, plug lens on light beam expand.
Embodiment
Described in the implementation of the joints of optical fibre such as Fig. 2 ~ 12：The joints of optical fibre in the present embodiment are fiber-optical socket, optical fiber
Socket using when be installed on the backboard 5 of rack, figure middle term 4 represents the Optical fiber plug that is adapted to fiber-optical socket, and Optical fiber plug makes
Used time is installed on the daughter board 3 of rack.Fiber-optical socket, which is one, in the present embodiment has at least two socket contact modules 6
Modular jack, Optical fiber plug are a modular plugs with least two Plug contact modules, and Optical fiber plug includes
Plug connector framework and four Plug contact modules, fiber-optical socket include socket connector framework 7 and four female contacts
Part module 6, socket contact module and socket connector framework and Plug contact module and corresponding plug connector framework
Fit structure is identical, and now only socket contact module 6 and the concrete structure of socket connector framework 7 are described in detail, and inserts
Base connector framework is used for socket contact module and installs and fixed with backboard, and four are offered side by side on socket connector framework 7
The individual module mounting hole 21 extended along the longitudinal direction, module mounting hole are shaped as rectangle, the left and right side channel of module mounting hole
The guide key groove 23 extended along the longitudinal direction is offered on wall, locking slot 25 is offered on the upside cell wall of module mounting hole 21.
Plug contact module includes plug casing, and each socket contact module includes joints of optical fibre housing, joints of optical fibre shell
Body includes Socket casing and the body 16 for being used for the installation of socket optical fiber contact pins being arranged in Socket casing, the left and right of Socket casing
Both sides are provided with for being oriented to the feather key 10 being slidably matched with guide key groove, and the height of two feather keys 10 is different, socket shell
Spacing spline 11 is additionally provided with left and right sides of body, offers on the left and right side cell wall of module mounting hole and loads for spacing spline
Stopper slot 22, the rear end of Socket casing is provided with the locking hook 12 for coordinating with locking slot 25.Socket is connect during use
The Socket casing of contact element module is encased in module mounting hole 21 by rear to preceding, and the cooperation of guide key groove 23 and feather key 10 can
To realize that identification is oriented to, and the front end of stopper slot 22 has confined planes backwards, after contact module moves forward in place, limit
The front end of position spline 11 just can limit the orward movement limit of contact module with confined planes block, such confined planes, now
Locking hook 12 can also tangle locking slot 25, and socket contact mould can be limited by the cooperation of locking slot 25 and locking hook 12
Block moves backwards, thus completes the installation of single socket contact module, and installing each socket contact module successively can be real
The now assembling process of whole socket, the purpose using assembling socket be in order to when single socket contact module is damaged,
Can be with local replacing, such as when one of socket contact module damage, only need to be by corresponding socket contact module
Dismantle, during dismounting, pressing locking hook makes locking hook 12 by deviating from corresponding locking slot 25, and pulling out immediately rearward can will
Socket contact module is dismantled.Fig. 8 middle terms 24 represent the slot to make way for getting out of the way load axle 19；Fig. 4 middle terms 13 represent optical fiber.
The Socket casing of each socket contact module and the front end of body are to include installation set and tail to spigot, Socket casing
Seat, installation set is square structure, and the body 16 for being provided with socket optical fiber contact pins is installed in installation set, and tailstock is used to limit body
Moving limit backwards, spring 15 is provided between tailstock and body.Multiple socket optical fiber mounting holes, each socket are provided with body
Optical fiber contact pins are respectively arranged in respective socket optical fiber mounting hole, and tailstock hanging groove is provided with installation set, use is provided with tailstock
In the tailstock hook 14 coordinated with tailstock hanging groove.It is provided with plug casing on front side of corresponding plug optical fiber contact pins mounting hole slotting
Head lens 32, the front end of plug fibers contact pin is in the focal position of plug lens；In respective socket optical fiber contact pins on body
Receptable lens 18 are provided with front side of mounting hole, the front end of socket optical fiber contact pins is in the focal position of receptable lens.Socket
The lens mount 31 of lens is installed on body, and the socket optical fiber contact pins 35 in each light path pass through flexible member（Not shown in figure）With
Receptable lens are in close contact and are held in the focal position of receptable lens, and the plug fibers contact pin in plug casing passes through elastic member
Part is in close contact with plug lens and is held in the focal position of plug lens, and plug lens and receptable lens are equal in the present embodiment
For lenticule, each lenticule is arranged in array format, can be expanded light beam by the effect of lens, and Figure 12 middle terms 36 represent to expand
Light beam after opening, after light beam expands, optical density in unit area is reduced, and quick dirty to dust of connecting end surface is reduced with this
Sense, this can increase the dust-fast effect of this connector.
Socket casing front end is hinged with the dust excluding plate 8 that pivot center extends in left-right direction, and two are provided with dust excluding plate 8
With the load axle 19 of pivot center eccentric setting, two load axles 19 are coaxially set and respectively positioned at the left and right two of dust excluding plate 8
End.Plug includes the plug casing with push pedal, and pushing tow inclined-plane 26 is provided with push pedal, and load axle 19 has for oblique by pushing tow
The pushing tow of face 26 and the circular arc load-carrying surface for making dust excluding plate 8 be overturn along clockwise direction around hinge axes.Socket casing and dust excluding plate
Between be provided with and apply elastic acting force towards dust excluding plate so that dust excluding plate, which has, rotates counterclockwise the elastic component 9 of trend, elastic component 9 is set
It is placed on Socket casing, the triangle pushing tow projection 20 corresponding with elastic component 9 is provided with dust excluding plate 8, triangle pushing tow is convex
Rise with the arched top pushing surface for elastic component pushing tow.Being used in Socket casing sealing cooperation for annular is provided with dust excluding plate
Sealing ring 17, sealing ring 17 fix be attached on dust excluding plate 8.It is provided with push pedal and is overturn in dust excluding plate to horizontal level for dust-proof
The holding tank 30 that plate is concealed, pushing tow inclined-plane 26 are located at the left and right sides of holding tank 30.The front end of plug casing is to spigot, plug
The plug fibers mounting hole corresponding with socket optical fiber mounting hole is provided with housing, is mounted in each plug fibers mounting hole
Plug fibers contact pin.When two plug, socket connectors are to inserting, the circular arc of the pushing tow inclined-plane pushing tow load axle in push pedal is held
Power face, because pushing tow inclined-plane and circular arc load-carrying surface remain tangent state, the thrust that the push pedal is applied to load axle
All the time the center of circle of circular arc load-carrying surface is crossed, the arm of force for the thrust that push pedal is applied to load axle is always pivot center and circular arc
The distance between axis of load-carrying surface, this arm of force size will not change, therefore can ensure plug, socket grafting process
Stationarity, help to ensure that the service life of connector.
In the other embodiments of this joints of optical fibre：Holding tank can not also be set；Sealing ring, which can also vulcanize, to be fixed on
On dust excluding plate, or sealing ring can not also be set；The number of load axle can also be one, three or other numbers；Triangle
Pushing tow projection can not also be set, and now elastic component can be a torsion spring, and certain elastic component can not also be set, and dust excluding plate can be according to
Rotated counterclockwise by deadweight realization；The lens mount of receptable lens can also be with this body by integral forming；Realize socket optical fiber contact pins with
The flexible member that receptable lens are in close contact can not also be set, and socket optical fiber contact pins can be now fixed on body, be made to insert
The end of needle contact piece is located at the focal position of receptable lens；When fibre diameter is larger, the lens of normal size can be used
Instead of lenticule；Body and Socket casing can also be wholely set；Flexible member may also be spring or rubber etc..
The implementation of joints of optical fibre housing is for example shown in Fig. 2 ~ 12：The structure of joints of optical fibre housing connects with above-mentioned each optical fiber
The joints of optical fibre housing connect described in device embodiment is identical, will not be described in detail herein.
Claims (7)
1. joints of optical fibre housing, including front end are the body to spigot, it is provided with body for the installation of corresponding optical fiber contact pins
Contact pin mounting hole, it is characterised in that：Lens are provided with body on front side of corresponding contact pin mounting hole, lens have in corresponding
The focus of the leading section of optical fiber contact pins, joints of optical fibre housing also include the dust excluding plate that pivot center extends in left-right direction, institute
The load axle being provided with dust excluding plate with the pivot center eccentric setting is stated, load axle, which has, to be used to accordingly be adapted to optical fiber company
The circular arc for connecing the pushing tow inclined-plane pushing tow in the push pedal on device and making the dust excluding plate be overturn along clockwise direction around hinge axes
Load-carrying surface, the circular arc load-carrying surface of the pushing tow inclined-plane pushing tow load axle in push pedal, pushing tow inclined-plane is protected all the time with circular arc load-carrying surface
Tangent state is held, the thrust that push pedal is applied to load axle crosses the center of circle of circular arc load-carrying surface all the time, and push pedal is applied to load axle
The arm of force of the thrust added is always the distance between pivot center and the axis of circular arc load-carrying surface, and arm of force size does not become
Change, be provided with push pedal and overturn the holding tank that supplies dust excluding plate to conceal to horizontal level in dust excluding plate, pushing tow inclined-plane is located at holding tank
The left and right sides, pushing tow inclined-plane be located at along holding tank rear end extension push pedal along.
2. joints of optical fibre housing according to claim 1, it is characterised in that：The lens are lenticule.
3. joints of optical fibre housing according to claim 1, it is characterised in that：The lens are arranged at institute by lens mount
State on body, lens mount is wholely set with the body or lens mount is installed on the body.
4. the joints of optical fibre, including joints of optical fibre housing, joints of optical fibre housing includes front end for the body to spigot, body
Contact pin mounting hole is inside provided with, optical fiber contact pins are installed in contact pin mounting hole, it is characterised in that：In corresponding contact pin installation on body
Lens are provided with front side of hole, the front end of the optical fiber contact pins is in the focal position of the lens, joints of optical fibre housing
Also include the dust excluding plate that pivot center extends in left-right direction, be provided with and the pivot center eccentric setting on the dust excluding plate
Load axle, load axle, which has, to be used to be made described anti-by the pushing tow inclined-plane pushing tow in the push pedal that is accordingly adapted on the joints of optical fibre
The circular arc load-carrying surface that dirt plate is overturn along clockwise direction around hinge axes, the circular arc of the pushing tow inclined-plane pushing tow load axle in push pedal
Shape load-carrying surface, pushing tow inclined-plane remain tangent state with circular arc load-carrying surface, and the thrust that push pedal is applied to load axle is all the time
The center of circle of circular arc load-carrying surface is crossed, the arm of force for the thrust that push pedal is applied to load axle is always pivot center and circular arc load
The distance between the axis in face, arm of force size do not change, and are provided with push pedal and are overturn in dust excluding plate to horizontal level for anti-
The holding tank that dirt plate is concealed, pushing tow inclined-plane are located at the left and right sides of holding tank, and pushing tow inclined-plane is located at along the extension of holding tank rear end
In push pedal.
5. the joints of optical fibre according to claim 4, it is characterised in that：After the focus of the lens is located at the lens
It is provided with end face, in body to the optical fiber contact pins and applies direction elastic acting force facing forward and make the front end of the optical fiber contact pins
Portion holds out against the flexible member on the rear end face of the lens.
6. the joints of optical fibre according to claim 5, it is characterised in that：The lens are lenticule.
7. the joints of optical fibre according to claim 4, it is characterised in that：The lens are arranged at described by lens mount
On body, lens mount is wholely set with the body or lens mount is installed on the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214763.0A CN105044851B (en) | 2015-04-30 | 2015-04-30 | Joints of optical fibre housing and the joints of optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214763.0A CN105044851B (en) | 2015-04-30 | 2015-04-30 | Joints of optical fibre housing and the joints of optical fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105044851A CN105044851A (en) | 2015-11-11 |
| CN105044851B true CN105044851B (en) | 2018-01-16 |
Family
ID=54451516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214763.0A Expired - Fee Related CN105044851B (en) | 2015-04-30 | 2015-04-30 | Joints of optical fibre housing and the joints of optical fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105044851B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870772A (en) * | 2017-12-01 | 2019-06-11 | 福州高意通讯有限公司 | A kind of optical fiber connector that can be plugged for a long time |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348487A (en) * | 1992-05-20 | 1994-09-20 | Diamond Sa | Plug connector for optical fibers |
| TW201400899A (en) * | 2012-06-01 | 2014-01-01 | Tyco Electronics Corp | Expanded-beam connector with molded lens |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3434501A (en) * | 1999-11-03 | 2001-05-14 | Whitaker Corporation, The | Optoelectric module for multi-fiber arrays |
| JP2002250845A (en) * | 2001-02-23 | 2002-09-06 | Hosiden Corp | Optical connector with shutter |
| DE202005005362U1 (en) * | 2005-04-05 | 2005-06-02 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Data transmission cable with FAKRA housing |
| US7775725B2 (en) * | 2008-10-29 | 2010-08-17 | Tyco Electronics Corporation | Single-channel expanded beam connector |
| CN201845099U (en) * | 2010-08-25 | 2011-05-25 | 河北四方通信设备有限公司 | E2000 type optical fiber connector |
| JP5845349B2 (en) * | 2012-06-26 | 2016-01-20 | 日本航空電子工業株式会社 | Optical connector for backplane |
-
2015
- 2015-04-30 CN CN201510214763.0A patent/CN105044851B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348487A (en) * | 1992-05-20 | 1994-09-20 | Diamond Sa | Plug connector for optical fibers |
| TW201400899A (en) * | 2012-06-01 | 2014-01-01 | Tyco Electronics Corp | Expanded-beam connector with molded lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105044851A (en) | 2015-11-11 |
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Granted publication date: 20180116 Termination date: 20190430 |