CN202661681U - Sintered type gas seal optical fiber socket - Google Patents
Sintered type gas seal optical fiber socket Download PDFInfo
- Publication number
- CN202661681U CN202661681U CN 201220314430 CN201220314430U CN202661681U CN 202661681 U CN202661681 U CN 202661681U CN 201220314430 CN201220314430 CN 201220314430 CN 201220314430 U CN201220314430 U CN 201220314430U CN 202661681 U CN202661681 U CN 202661681U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- contact pins
- pin holes
- shell
- left shell
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model discloses a glass sintered type gas seal optical fiber socket. According to the socket, optical fiber base pins are arranged in a middle shell, a left shell and a right shell; base pin holes are respectively formed in the middle shell, the left shell and the right shell; the base pin holes formed in the middle shell, the left shell and the right shell are in clearnace fit with the optical fiber base pin; a five-key groove is formed on the inner side circumference of the left shell and the right shell and is used for positioning and guiding a plug; an external thread is formed on the left shell; and a mounting nut and a sealing gasket are arranged on the external thread. The glass sintered type gas seal optical fiber socket has the advantages that the structure is simple and the gas seal effect is good, and the problem that the sintered type base pin is difficult to grind is solved according to the split shell design structure; compared with an elastic sealing piece structure, the glass sintering structure has the advantages of high pressure resistance, ageing resistance and corrosion resistance; the sintering structure is realized through mold positioning, and an accurate base pin mounting position can be obtained; the prevention of the gas leakage and the liquid leakage can be realized; and moreover, due to structure of the mounting nut and the sealing gasket, after the connector is fixedly arranged, the seal at the opening of the connector is realized.
Description
Technical field
What the present invention relates to is a kind of sintered type hermetic seal fiber-optical socket, belongs to joints of optical fibre technical field, especially sintered type hermetic seal fiber-optical socket.
Background technology
Need to realize the rear hermetic seal of joints of optical fibre installation under some particular job condition, to realize that two have mutual air tight or medium osmosis between pressure differential cavity volume or the different medium chamber, and the hermetically-sealed construction of the existing joints of optical fibre generally adopts employing O type circle sealing between the sealing of tail end glue or contact pin and the housing, this class hermetically-sealed construction all can not prevent Leakage Gas fully, be not suitable for being applied to waterproof and hydraulic seal, and elastic sealing element is easy to wear out, breaks, adverse environment resistant not, is badly in need of the hermetic seal joints of optical fibre under pressurized capsule and the deep water conditions.
Summary of the invention
The objective of the invention is the sintered type hermetic seal fiber-optical socket that directly reaches gas tightness after installing for providing under a kind of pressurized capsule and the deep water conditions, is a kind of brand-new structure, solves the defects that prior art is deposited.Satisfy the hermetic seal after needs under the particular job condition are realized joints of optical fibre installation, realize having mutual air tight or medium osmosis between pressure differential cavity volume or the different medium chamber.
Technical solution of the present invention is: it is characterized in that optical fiber contact pins is installed in middle casing, left shell, the right shell body, be respectively equipped with pin holes in middle casing, left shell, the right shell body, the pin holes that is provided with in middle casing, left shell and the right shell body and optical fiber contact pins clearance fit, the inside circumference of left shell and right shell body is provided with five keyways, this five keyway is to the plug positioning and guiding, left shell is provided with external thread, and external thread is provided with mounting nuts and sealing gasket.
Advantage of the present invention: a kind of brand-new structural design (generally being to realize by elastic sealing element) realizes the optical connector hermetic seal, the simpler and hermetic seal better effects if of structure; The Split type casing project organization has been broken through the difficult problem that the sintering contact pin grinds; Glass sintering structure resilience in comparison seal configuration has better resistance to compression, ageing-resistant, decay resistance; Sintering structure is realized by the mould location, can be obtained more accurate contact pin installation site; Can realize that connector prevents Leakage Gas and two kinds of occasions of leak of liquid; Mounting nuts and gasket structure make connector realize simultaneously the sealing of tapping after the fixed installation.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 is structural representations of middle casing and contact pin sintering.
Among the figure 1 is tracer stripe, the 2nd, optical fiber contact pins, the 3rd, and optical fiber, the 4th, nut, the 5th, left shell, the 6th, middle casing, the 7th, right shell body, the 8th, screw, the 9th, interfacial seal pad, the 10th, O-ring seal, the 11st, glass medium, 12 are that an O type circle, 13 is the 2nd O type circles.
Embodiment
The left and right two ends that middle casing 6 is stretched out respectively at optical fiber contact pins 2 left and right two ends are provided with wire hole in the middle of the optical fiber contact pins 2, import optical fiber 3 into and make adhesive curing behind the injecting glue in the wire hole, thereby realize optical fiber contact pins 2 and optical fiber 3 sealings.
Optical fiber contact pins 2 is designed to exceed middle casing 6 both ends of the surface, to wear fibre, optical fiber contact pins 2 after solidifying carries out respectively both ends of the surface and grinds, and guarantees ferrule end-face shape and serviceability.
Be provided with ring groove in left shell 5 flange at tail ends, the 2nd O type circle 13 of packing in this ring groove, be provided with pin holes in the left shell 5, this pin holes and optical fiber contact pins 2 are clearance fit, left shell 5 inner chamber circumference are provided with a keyway, optical fiber contact pins 2 passes left shell 5 interior pin holes, and left shell 5 is located the middle casing 6 of packing into by keyway, and compresses the 2nd O type circle 13.
Be provided with ring groove in right shell body 7 flange at tail ends, the O type circle 12 of packing in this ring groove, be provided with pin holes in the right shell body 1, pin holes and optical fiber contact pins 2 are clearance fit, and optical fiber contact pins 2 passes right shell body 7 interior pin holes, right shell body 7 middle casing 6 of packing into, and compress an O type circle 12, four screws 8 are screwed into from left shell 5 and right shell body 7 flanges respectively, and an O type circle 12 is compressed on the housing, and left shell 5 and right shell body 7 flanges fit tightly with middle casing 6 left and right sides flanges respectively simultaneously.
After the one O type circle 12,13 compressions of the 2nd O type circle the clearance leakage between left shell 5, middle casing 6, the right shell body 7 is blocked, thus the sealing between the assurance housing.
Guarantee that by above-mentioned glass medium 11, an O type circle 12 left and right two chambeies do not connect mutually, owing to used the glass sintering structure, thus realized hermetic seal.
Sintering hermetic seal fiber-optical socket is realized contact pin and housing hermetic seal by glass sintering sealed knot mode, and it is for realizing that ferrule end-face grinds that contact pin stretches out the middle casing both sides.
Described left shell 5, right shell body 7 are installed with middle casing by screw and are connected into an integral body, connect the slit by O type circle compression seal, the leakage that produces to solve the body seam place.Screw adopts and screws in respectively from left shell and right shell body both sides.
Described left and right housing inner flange end face is realized the axial limiting after the connector docking.
Described optical fiber contact pins is provided with the interfacial seal pad at left and right housing inner flange end face, is provided with O-ring seal in the ring groove in the left and right housing, realizes sealing after the end surface of optical fiber connector docking.
Claims (7)
1. glass sintering formula hermetic seal fiber-optical socket, it is characterized in that optical fiber contact pins is installed in middle casing, left shell, the right shell body, be respectively equipped with pin holes in middle casing, left shell, the right shell body, the pin holes that is provided with in middle casing, left shell and the right shell body and optical fiber contact pins clearance fit, the inside circumference of left shell and right shell body is provided with five keyways, this five keyway is to the plug positioning and guiding, and left shell is provided with external thread, and external thread is provided with mounting nuts and sealing gasket.
2. glass sintering formula hermetic seal fiber-optical socket according to claim 1 is characterized in that being provided with in the middle casing pin holes, and the aperture of pin holes is greater than optical fiber contact pins, and locate in the pin holes axle center in optical fiber contact pins and the middle casing.
3. glass sintering formula hermetic seal fiber-optical socket according to claim 1 is characterized in that the left and right two ends of optical fiber contact pins stretch out respectively the left and right both ends of the surface of middle casing, is provided with wire hole in the middle of the optical fiber contact pins.
4. glass sintering formula hermetic seal fiber-optical socket according to claim 1 is characterized in that optical fiber contact pins is designed to exceed the middle casing both ends of the surface, to wear fibre, optical fiber contact pins after solidifying carries out respectively both ends of the surface and grinds.
5. glass sintering formula hermetic seal fiber-optical socket according to claim 1, it is characterized in that being provided with ring groove in the flange at tail end of left shell, the 2nd O type circle of packing in this ring groove, be provided with pin holes in the left shell, this pin holes and optical fiber contact pins are clearance fit, and left shell inner chamber circumference is provided with a keyway, and optical fiber contact pins passes pin holes in the left shell, left shell is located the middle casing of packing into by keyway, and compresses the 2nd O type circle.
6. glass sintering formula hermetic seal fiber-optical socket according to claim 1, it is characterized in that being provided with ring groove in the right shell body flange at tail end, the O type circle of packing in this ring groove, be provided with pin holes in the right shell body, pin holes and optical fiber contact pins are clearance fit, optical fiber contact pins passes pin holes in the right shell body, the right shell body middle casing of packing into, compress an O type circle, four screws are screwed into from left shell and right shell body flange respectively, and left shell and right shell body flange fit tightly with middle casing left and right sides flange respectively.
7. glass sintering formula hermetic seal fiber-optical socket according to claim 1 is characterized in that the circumference of flange of left shell, right shell body inboard is provided with ring groove, is provided with O-ring seal in this ring groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220314430 CN202661681U (en) | 2012-07-02 | 2012-07-02 | Sintered type gas seal optical fiber socket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220314430 CN202661681U (en) | 2012-07-02 | 2012-07-02 | Sintered type gas seal optical fiber socket |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202661681U true CN202661681U (en) | 2013-01-09 |
Family
ID=47456576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220314430 Expired - Lifetime CN202661681U (en) | 2012-07-02 | 2012-07-02 | Sintered type gas seal optical fiber socket |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202661681U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102736188A (en) * | 2012-07-02 | 2012-10-17 | 南京全信传输科技股份有限公司 | Sintered gas-sealed optical fiber socket |
CN108539472A (en) * | 2018-04-16 | 2018-09-14 | 沈阳兴华航空电器有限责任公司 | A kind of high temperature resistant, the rectangular electric connector with sealing function |
CN110673268A (en) * | 2019-08-26 | 2020-01-10 | 北京希卓信息技术有限公司 | Optical fiber feed-through |
-
2012
- 2012-07-02 CN CN 201220314430 patent/CN202661681U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102736188A (en) * | 2012-07-02 | 2012-10-17 | 南京全信传输科技股份有限公司 | Sintered gas-sealed optical fiber socket |
CN108539472A (en) * | 2018-04-16 | 2018-09-14 | 沈阳兴华航空电器有限责任公司 | A kind of high temperature resistant, the rectangular electric connector with sealing function |
CN110673268A (en) * | 2019-08-26 | 2020-01-10 | 北京希卓信息技术有限公司 | Optical fiber feed-through |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102736188B (en) | Sintered gas-sealed optical fiber socket | |
CN105675231A (en) | Negative pressure sealing detection device | |
CN204884445U (en) | Waterproof circle and outdoor LED display screen of outdoor LED module | |
CN202661681U (en) | Sintered type gas seal optical fiber socket | |
CN106785646A (en) | A kind of cylindrical sealing structure of penetrating cable | |
CN102996955A (en) | Rapid connector for gas tight test | |
CN203881486U (en) | Self-sealing type pressure gage joint | |
CN203422203U (en) | Air tightness detection apparatus for sealed bearing | |
CN105490243A (en) | Sealed isolation connector | |
CN201672180U (en) | Leak-proof hydraulic joint | |
CN102931529A (en) | Through-wall and water seal electric connector | |
CN206669146U (en) | A kind of sealing device | |
CN108827519B (en) | Oil well cable tension detection device | |
CN208937314U (en) | A kind of thin-walled lid panel hydraulic pressure test fixture | |
CN102996947A (en) | Structure of rotary air inlet connector | |
CN101608935B (en) | Sealing conduction seat of wired sensor | |
CN101922697A (en) | Fixed radial sealing piece | |
CN216408007U (en) | Quick connector for threaded pressure gauge | |
CN209559442U (en) | A kind of leakage test plugging device | |
CN201527276U (en) | Wired sensor seal conductive connecting base | |
CN2482066Y (en) | Leakproof safety manometer | |
CN209169477U (en) | A kind of automobile electric connector structure of good airproof performance | |
CN216111698U (en) | Waterproof structure of screw locking connecting piece | |
CN215258046U (en) | Novel pressure measuring component for pressure tapping of gas meter | |
CN216668895U (en) | Quick plug-in type throw-in liquid level meter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171012 Address after: 210036 Room 301, No. 302, Hanzhoung Avenue, Gulou District, Jiangsu, Nanjing Patentee after: NANJING QUANXIN OPTOELECTRONIC SYSTEM CO.,LTD. Address before: 12 building 01, building 301, 210036 Hanzhoung Avenue, Nanjing, Jiangsu Patentee before: NANJING QUANXIN CABLE TECHNOLOGY Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130109 |