CN105388570A - Air-tight fiber wall-penetrating socket - Google Patents
Air-tight fiber wall-penetrating socket Download PDFInfo
- Publication number
- CN105388570A CN105388570A CN201510980984.9A CN201510980984A CN105388570A CN 105388570 A CN105388570 A CN 105388570A CN 201510980984 A CN201510980984 A CN 201510980984A CN 105388570 A CN105388570 A CN 105388570A
- Authority
- CN
- China
- Prior art keywords
- contact pin
- housing
- hole
- anterior cannula
- rear sleeve
- 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
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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- 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
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses an air-tight fiber wall-penetrating socket. The air-tight fiber wall-penetrating socket is characterized by comprising: a housing having a separation wall provided with multiple pin limit holes; press plates with pin stepped holes, positioning holes and screw counterbores; and pin assemblies provided with front sleeve pipes, rear sleeve pipes, ceramic pins and tight coated fibers. The pin assemblies are disposed in the pin limit holes of the housing. The two press plates are disposed on the two sides of the separation wall of the housing respectively. The pin assemblies are inserted in the pin stepped holes. The positioning holes of the press plates fit positioning bosses of the housing. The screw counterbores are connected to threaded blind holes by means of screws. Through adoption of the housing, the press plates and the pin assemblies and also through the assembly process using an epoxy sealant and silica gel, a present situation that long and thin pins are difficult to process is avoided. The advantages are that the air-tight fiber wall-penetrating socket has many channels, exhibits good air-tightness, and is convenient to process and assemble.
Description
Technical field
The present invention relates to joints of optical fibre technical field, especially a kind of wall penetration optical fibers socket of hermetic seal.
Background technology
Adopt the joints of optical fibre and equipment connection, its objective is and make the optical fiber through device panel can bear pressure differential inside and outside panel, interpenetrating of medium inside and outside panel can be prevented again, namely have bubble-tight requirement to the joints of optical fibre.Along with the application of Fibre Optical Communication Technology under space flight space and rugged surroundings occasion increases gradually, the bubble-tight technical requirement of the joints of optical fibre is also progressively improved.Prior art optical fiber airtight socket through walls generally adopts glue sealing or "O"-ring sealing, and its sealing lower grade; Also have optical fiber airtight socket through walls to adopt glass frit seal, its sealing higher grade, and adverse environment resistant ability is stronger.Problems existing is, one, the epoxy glue bondd due to optical fiber and ceramic contact pin and the non-refractory of optical fiber own, when wall penetration optical fibers socket core number is more, it implements glass sintering process easy damaged optical fiber, in addition, the grinding of contact pin and assembly technology are extremely complicated, the demand of batch production cannot be met, they are two years old, the ceramic contact pin of whole that the many employings of existing fiber hermetic seal socket through walls are elongated, cause this elongated contact pin difficulty of processing large, qualification rate is low, cannot process when length and diameter arrive certain ratio at all, constrain the miniaturization of optical fiber airtight socket through walls, integrated development wants demand.
Summary of the invention
The wall penetration optical fibers socket of a kind of hermetic seal provided for the deficiencies in the prior art is provided, the present invention adopts the structure of housing, pressing plate and contact pin component, and adopt the assembly technology of epoxy sealing glue and silica gel, evade the present situation of elongated contact pin difficulty or ease processing, had that port number is many, impermeability good, process and assemble easy advantage.
The concrete technical scheme realizing the object of the invention is:
A wall penetration optical fibers socket for hermetic seal, its feature comprises:
A middle part is provided with the cylindrical shell of partition wall, and partition wall is provided with several contact pin spacing hole, and an end face of partition wall is provided with silica gel groove, both ends of the surface are equipped with positioning boss and tapped blind hole; One is provided with the pressing plate distinguishing corresponding contact pin stepped hole, pilot hole and screw counter bore with the contact pin spacing hole of housing, positioning boss and tapped blind hole; A contact pin component being provided with anterior cannula, rear sleeve, ceramic contact pin and tightly packaged fiber; And the threaded one end of anterior cannula and rear sleeve connects, the other end is provided with contact pin mating hole and boss, tightly packaged fiber is located in the pore of anterior cannula and rear sleeve, and ceramic contact pin is two pieces, and is located in the contact pin mating hole of anterior cannula and rear sleeve respectively;
Described contact pin component is located in the contact pin spacing hole of housing, pressing plate is two pieces, is located at the both sides of housing partition wall respectively, and contact pin stepped hole is sleeved on contact pin component, the pilot hole of pressing plate and the positioning boss of housing plug together, and are connected between screw counter bore with tapped blind hole through screw;
The shaft shoulder of described anterior cannula and rear sleeve boss and the shaft shoulder of pressing plate contact pin stepped hole touch; Described anterior cannula outer wall is provided with annular groove, is provided with O-ring seal in annular groove and between the contact pin spacing hole of housing; Epoxy sealing glue is equipped with between the contact pin spacing hole of described anterior cannula and the outer wall of rear sleeve and housing, between the pore of anterior cannula and rear sleeve and tightly packaged fiber; Silica gel is filled with between the silica gel groove of described housing and pressing plate.
The present invention adopts the structure of housing, pressing plate and contact pin component, and adopts the assembly technology of epoxy sealing glue and silica gel, has evaded the present situation of elongated contact pin difficulty or ease processing, has that port number is many, impermeability good, process and assemble easy advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A direction view of Fig. 1;
Fig. 3 is the structural representation of inventive shell 1;
Fig. 4 is the structural representation of contact pin component of the present invention;
Fig. 5 is anterior cannula and the rear sleeve structural representation of contact pin component.
Embodiment
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the present invention includes:
A middle part is provided with the cylindrical shell 1 of partition wall 11, and partition wall 11 is provided with several contact pin spacing hole 12, and an end face of partition wall 11 is provided with silica gel groove 15, both ends of the surface are equipped with positioning boss 13 and tapped blind hole 14; One is provided with the pressing plate 2 distinguishing corresponding contact pin stepped hole 21, pilot hole 25 and screw counter bore 26 with the contact pin spacing hole 12 of housing 1, positioning boss 13 and tapped blind hole 14; A contact pin component 3 being provided with anterior cannula 31, rear sleeve 32, ceramic contact pin 33 and tightly packaged fiber 36; And the threaded one end of anterior cannula 31 and rear sleeve 32 connects, the other end is provided with contact pin mating hole 35 and boss 37, tightly packaged fiber 36 is located in the pore of anterior cannula 31 and rear sleeve 32, ceramic contact pin 33 is two pieces, and is located in the contact pin mating hole 35 of anterior cannula 31 and rear sleeve 32 respectively;
Described contact pin component 3 is located in the contact pin spacing hole 12 of housing 1, pressing plate 2 is two pieces, be located at the both sides of housing 1 partition wall 11 respectively, and contact pin stepped hole 21 is sleeved on contact pin component 3, the pilot hole 25 of pressing plate 2 plugs together with the positioning boss 13 of housing 1, is connected between screw counter bore 26 with tapped blind hole 14 through screw 22;
The shaft shoulder of described anterior cannula 31 and rear sleeve 32 boss 37 and the shaft shoulder of pressing plate 2 contact pin stepped hole 21 touch; Described anterior cannula 31 outer wall is provided with annular groove 34, is provided with O-ring seal 39 in annular groove 34 and between the contact pin spacing hole 12 of housing 1; Described anterior cannula 31 and be equipped with epoxy sealing glue 23 between the outer wall of rear sleeve 32 and the contact pin spacing hole 12 of housing 1, between the pore of anterior cannula 31 and rear sleeve 32 and tightly packaged fiber 36; Silica gel 24 is filled with between the silica gel groove 15 of described housing 1 and pressing plate 2.
The embodiment of the present invention:
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the present invention is assembled by housing 1, two block pressur plate 2 of a column and several contact pin component 3, and contact pin component 3 is located in the contact pin spacing hole 12 of housing 1, pressing plate 2 is two pieces, be located at the both sides of housing 1 partition wall 11 respectively, and contact pin stepped hole 21 is sleeved on contact pin component 3, pilot hole 25 plugs together with the positioning boss 13 of housing 1, is connected between screw counter bore 26 with tapped blind hole 14.Further illustrate as follows below in conjunction with allotment of labor's skill of the present invention:
The assembling of contact pin component
Consult Fig. 1, Fig. 4, Fig. 5, contact pin component 3 of the present invention is made up of anterior cannula 31, rear sleeve 32, ceramic contact pin 33 and tightly packaged fiber 36, during assembling, is plugged on respectively by two pieces ceramic contact pin 33 in the contact pin mating hole 35 of anterior cannula 31 and rear sleeve 32; Epoxy sealing glue 23 is filled in the pore of anterior cannula 31 thread end, first one end of tightly packaged fiber 36 is penetrated in the pore of anterior cannula 31, after oven dry is implemented to the epoxy sealing glue 23 in anterior cannula 31, epoxy sealing glue 23 is filled again in the pore of rear sleeve 32 thread end, the other end of tightly packaged fiber 36 is penetrated in the pore of rear sleeve 32, the thread end of anterior cannula 31 and rear sleeve 32 is implemented to connect, again implements to dry, complete the connection of ceramic contact pin 33 and tightly packaged fiber 36; For ensureing the connection reliability of ceramic contact pin 33 and anterior cannula 31 and rear sleeve 32, between contact pin mating hole 35 of the present invention and ceramic contact pin 33, adopt interference fit; Finally in the annular groove 34 of anterior cannula 31 outer wall, assemble O-ring seal 39, contact pin component 3 assembles complete.
The assembling of contact pin component and pressing plate and housing
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, the face that the pieces contact pin component 3 completing assembling is provided with silica gel groove 15 from housing 1 is penetrated in contact pin spacing hole 12 successively; Now, be located between O-ring seal 39 in contact pin component 3 anterior cannula 31 outer wall annular groove 34 and the contact pin spacing hole 12 of housing 1 and implement once sealing, gap location embedding epoxy sealing glue 23 between the outer wall and the contact pin spacing hole 12 of housing 1 of anterior cannula 31 and rear sleeve 32, implements secondary seal; Filling gel 24 in the silica gel groove 15 of housing 1, three sealings, lower than the upper plane of silica gel groove 15, are implemented in the glue face of institute's filling gel 24; Loaded from the both sides of housing 1 partition wall 11 respectively by two block pressur plates 2, make the contact pin stepped hole 21 of pressing plate 2 be sleeved on contact pin component 3, the pilot hole 25 of pressing plate 2 plugs together with the positioning boss 13 of housing 1, is connected through counterbore 26 with screw with tapped blind hole 14; Now, the shaft shoulder of contact pin component 3 anterior cannula 31 and rear sleeve 32 boss 37 and the shaft shoulder of pressing plate 2 contact pin stepped hole 21 touch, the shaft shoulder of pressing plate 2 contact pin stepped hole 21 completely defines the axial displacement of contact pin component 3 in housing 1 contact pin spacing hole 12, and contact pin component 3 and pressing plate 2 complete with the assembling of housing 1.
Consult Fig. 1, during use, housing 1 sealing of the present invention is arranged on device panel, contact pin component 3 is namely through the panel of equipment, the Fiber connection inside and outside equipment has been accepted by the ceramic contact pin 33 at contact pin component 3 two ends, the present invention can bear pressure differential inside and outside equipment, can prevent interpenetrating of medium inside and outside panel again, adopt the sealing technology of epoxy sealing glue and silica gel, evade the present situation of elongated contact pin difficulty or ease processing, had that port number is many, impermeability good, process and assemble easy advantage.
Claims (5)
1. a wall penetration optical fibers socket for hermetic seal, is characterized in that it comprises:
A middle part is provided with the cylindrical shell (1) of partition wall (11), and partition wall (11) is provided with several contact pin spacing hole (12), and an end face of partition wall (11) is provided with silica gel groove (15), both ends of the surface are equipped with positioning boss (13) and tapped blind hole (14);
One is provided with the pressing plate (2) distinguishing corresponding contact pin stepped hole (21), pilot hole (25) and screw counter bore (26) with the contact pin spacing hole (12) of housing (1), positioning boss (13) and tapped blind hole (14);
A contact pin component (3) being provided with anterior cannula (31), rear sleeve (32), ceramic contact pin (33) and tightly packaged fiber (36); And the threaded one end of anterior cannula (31) and rear sleeve (32) connects, the other end is provided with contact pin mating hole (35) and boss (37), tightly packaged fiber (36) is located in the pore of anterior cannula (31) and rear sleeve (32), ceramic contact pin (33) is two pieces, and is located in the contact pin mating hole (35) of anterior cannula (31) and rear sleeve (32) respectively;
Described contact pin component (3) is located in the contact pin spacing hole (12) of housing (1), pressing plate (2) is two pieces, be located at the both sides of housing (1) partition wall (11) respectively, and contact pin stepped hole (21) is sleeved on contact pin component (3), the pilot hole (25) of pressing plate (2) and the positioning boss (13) of housing (1) plug together, and are connected between screw counter bore (26) with tapped blind hole (14) through screw (22).
2. the wall penetration optical fibers socket of a kind of hermetic seal according to claim 1, is characterized in that the shaft shoulder of anterior cannula (31) and rear sleeve (32) boss (37) and the shaft shoulder of pressing plate (2) contact pin stepped hole (21) touch.
3. the wall penetration optical fibers socket of a kind of hermetic seal according to claim 1, is characterized in that anterior cannula (31) outer wall is provided with annular groove (34), is provided with O-ring seal (39) in annular groove (34) and between the contact pin spacing hole (12) of housing (1).
4. the wall penetration optical fibers socket of a kind of hermetic seal according to claim 1, is characterized in that between the outer wall of anterior cannula (31) and rear sleeve (32) and the contact pin spacing hole (12) of housing (1), is equipped with epoxy sealing glue (23) between the pore of anterior cannula (31) and rear sleeve (32) and tightly packaged fiber (36).
5. the wall penetration optical fibers socket of a kind of hermetic seal according to claim 1, is characterized in that being filled with silica gel (24) between the silica gel groove (15) of housing (1) and pressing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980984.9A CN105388570A (en) | 2015-12-24 | 2015-12-24 | Air-tight fiber wall-penetrating socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980984.9A CN105388570A (en) | 2015-12-24 | 2015-12-24 | Air-tight fiber wall-penetrating socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105388570A true CN105388570A (en) | 2016-03-09 |
Family
ID=55421039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510980984.9A Pending CN105388570A (en) | 2015-12-24 | 2015-12-24 | Air-tight fiber wall-penetrating socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105388570A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629398A (en) * | 2016-03-31 | 2016-06-01 | 中航光电科技股份有限公司 | Optical fiber switch connector |
| CN107797193A (en) * | 2017-12-19 | 2018-03-13 | 上海航天科工电器研究院有限公司 | A kind of fiber waveguide seals crossing cabin socket |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641145A1 (en) * | 1986-12-02 | 1988-06-16 | Rainer Wadewitz | Optical plug-type connector for optical waveguides |
| US5588086A (en) * | 1993-04-01 | 1996-12-24 | Litecom, Inc. | Fiber optic hermetic bulkhead penetrator feedthrough module and method of fabricating same |
| CN201397406Y (en) * | 2009-03-03 | 2010-02-03 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN102411172A (en) * | 2011-11-30 | 2012-04-11 | 中航光电科技股份有限公司 | Optical fiber airtight transfer socket |
| CN102736187A (en) * | 2012-06-13 | 2012-10-17 | 中航光电科技股份有限公司 | Pin component for optical fiber adaptor connector |
-
2015
- 2015-12-24 CN CN201510980984.9A patent/CN105388570A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641145A1 (en) * | 1986-12-02 | 1988-06-16 | Rainer Wadewitz | Optical plug-type connector for optical waveguides |
| US5588086A (en) * | 1993-04-01 | 1996-12-24 | Litecom, Inc. | Fiber optic hermetic bulkhead penetrator feedthrough module and method of fabricating same |
| CN201397406Y (en) * | 2009-03-03 | 2010-02-03 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN102411172A (en) * | 2011-11-30 | 2012-04-11 | 中航光电科技股份有限公司 | Optical fiber airtight transfer socket |
| CN102736187A (en) * | 2012-06-13 | 2012-10-17 | 中航光电科技股份有限公司 | Pin component for optical fiber adaptor connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629398A (en) * | 2016-03-31 | 2016-06-01 | 中航光电科技股份有限公司 | Optical fiber switch connector |
| CN107797193A (en) * | 2017-12-19 | 2018-03-13 | 上海航天科工电器研究院有限公司 | A kind of fiber waveguide seals crossing cabin socket |
| CN107797193B (en) * | 2017-12-19 | 2019-06-25 | 上海航天科工电器研究院有限公司 | A kind of optical waveguide sealing crossing cabin socket |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160309 |
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| WD01 | Invention patent application deemed withdrawn after publication |