CN203480080U - Through-wall sealing fiber adapter - Google Patents
Through-wall sealing fiber adapter Download PDFInfo
- Publication number
- CN203480080U CN203480080U CN201320514547.4U CN201320514547U CN203480080U CN 203480080 U CN203480080 U CN 203480080U CN 201320514547 U CN201320514547 U CN 201320514547U CN 203480080 U CN203480080 U CN 203480080U
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- CN
- China
- Prior art keywords
- sealing
- mounting plate
- contact pin
- front mounting
- optical fiber
- 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.)
- Withdrawn - After Issue
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- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
A through-wall sealing fiber adapter is provided; an inner hole cavity of a fiber sealing pin assembly (5) is filled with glue, and an outer middle portion of the fiber sealing pin assembly (5) is provided with a embedding seal groove; a pin front mounting plate (2) is sealed and fixed in a housing (1) through an O-shaped sealing ring (4); a sealing ring groove is arranged in the pin front mounting plate (2); the fiber sealing pin assembly (5) is embedded and fixed on an inner end of the pin front mounting plate (2) through embedding silicone rubber; a pin mounting plate, the embedded fiber sealing pin assembly (5), and the pin front mounting plate (2) are fixed in the housing (1) through fastening screw nuts (6); a contact portion between the pin front mounting plate (2) and the pin mounting plate (8) is provided with a sealing groove, and a sealing ring (3) is fixed in the sealing groove. The sealing requirements of the adapter is ensured, and technical requirements in the assembling process can be satisfied.
Description
Technical field
The utility model relates to structural design and the applied technical field of breakout box, and a kind of sealing to through the wall fiber optic adapter is provided especially.
Background technology
Internal optical fiber breakout box can be realized switching energy supply mostly, but cannot meet the sealing requirements of product, and mostly adopt socket design in NT national transit device, this is designed to mounted inside porcelain bushing, porcelain bushing inside is hollow-core construction, cannot meet sealing requirements at all.
People urgently wish to obtain the good sealing to through the wall fiber optic adapter of a kind of technique effect.
Utility model content
The purpose of this utility model is to provide the good interior of aircraft hermetic fiber breakout box of a kind of technique effect.
The utility model is to utilize contact pin for breakout box internal forwarding assembly, optical fiber seal contact pin component inner fiber and ceramic insertion core adopt epoxy glue to carry out the independent sealing that bonding embedding processes to guarantee each optical fiber seal contact pin component, between optical fiber seal contact pin component and contact pin installing plate, adopt silicon rubber to carry out the bonding processing of embedding, guarantee the sealing requirements between all optical fiber seal contact pin components and contact pin installing plate, between contact pin installing plate and housing, adopt O-ring seals to carry out mechanical seal, outside surface adopts painting railway grease mode to seal, the mode that is coated with railway grease both can guarantee the sealing requirements of breakout box, can meet the technological requirement in assembling process again.
Described sealing to through the wall fiber optic adapter, is constructed as follows: housing 1, pin front mounting plate 2, O-ring seal 3, O-ring seals 4, optical fiber seal contact pin component 5, gland nut 6, contact pin installing plate 8;
Described optical fiber seal contact pin component 5 inner side vestibule encapsulatings, specifically shown in Figure 2, outer middle side part is provided with embedding seal groove; Optical fiber 7 is positioned at optical fiber seal contact pin component 5, and described pin front mounting plate 2 is fixed in housing 1 by O-ring seals 4 sealings, and pin front mounting plate 2 inside are provided with closure gasket groove; Optical fiber seal contact pin component 5 is fixed on the inner one end of pin front mounting plate 2 by the embedding of embedding silicon rubber, and optical fiber seal contact pin component 5, pin front mounting plate 2 after contact pin installing plate 8 and embedding are fixed on housing 1 inside by gland nut 6; And pin front mounting plate 2 and contact pin installing plate 8 contact positions are provided with sealed groove, and O-ring seal 3 is fixed in sealed groove.
The all optical fiber seal contact pin components of sealing to through the wall fiber optic adapter described in the utility model all adopt independent sealing, the method of carrying out bonding embedding by casting glue is again carried out embedding sealing by all optical fiber seal contact pin components, and the sealing between last and housing adopts O-ring seals to carry out triple seal processing.
Sealing to through the wall fiber optic adapter described in the utility model can meet the optical signal transmission work of more domestic high-accuracy hermetically-sealed instruments, for the vital role that the broad development of fiber-optic signal plays later, the optical fiber seal contact pin component of fiber optic adapter adopts the independent hermetically-sealed construction of inner encapsulating, make each optical fiber contact pins assembly all can realize sealing energy supply, the outside structural design that increases embedding seal groove of optical fiber seal contact pin component, be used in conjunction with the closure gasket groove of pin front mounting plate inside, again by the embedding of embedding silicon rubber, solidify, it is the inner sealing energy supply that realizes, between pin front mounting plate and housing, adopt the design of three layers of O-ring seals, by above relevant design, can meet the seal request of sealing to through the wall fiber optic adapter completely, by experiments of sealing performance, verify, this structure can be under an atm difference, guarantee that slip is less than 1 * 10
-7pa.m
3/ s, thus the inside and outside conducting function of light signal in pressurized capsule completed.
Described sealing to through the wall fiber optic adapter has the features such as volume is little, lightweight, precision is high, transmitted data amount is large.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the utility model is described in further detail:
Fig. 1 is sealing to through the wall optic fiber adaptor structure schematic diagram;
Fig. 2 is that optical fiber seal contact pin component adopts inner encapsulating, the outside main apparent direction schematic diagram that increases the structural design of embedding seal groove;
Fig. 3 is the main apparent direction schematic diagram sealing by O-ring seals between housing and pin front mounting plate;
Fig. 4 is the inner main apparent direction schematic diagram that carries out embedding by embedding silicon rubber between closure gasket groove and optical fiber seal contact pin component 5 that increases of pin front mounting plate 2;
Optical fiber seal contact pin component 5 after Fig. 5 contact pin installing plate and embedding, pin front mounting plate 2 are fixed on the main apparent direction schematic diagram of housing 1 by gland nut 6.
Embodiment
Embodiment 1
The present embodiment is to utilize contact pin for breakout box internal forwarding assembly, optical fiber seal contact pin component inner fiber and ceramic insertion core adopt epoxy glue to carry out the independent sealing that bonding embedding processes to guarantee each optical fiber seal contact pin component, between optical fiber seal contact pin component and contact pin installing plate, adopt silicon rubber to carry out the bonding processing of embedding, guarantee the sealing requirements between all optical fiber seal contact pin components and contact pin installing plate, between contact pin installing plate and housing, adopt O-ring seals to carry out mechanical seal, outside surface adopts painting railway grease mode to seal, the mode that is coated with railway grease both can guarantee the sealing requirements of breakout box, can meet the technological requirement in assembling process again.
Described sealing to through the wall fiber optic adapter, is constructed as follows: housing 1, pin front mounting plate 2, O-ring seal 3, O-ring seals 4, optical fiber seal contact pin component 5, gland nut 6, contact pin installing plate 8;
Described optical fiber seal contact pin component 5 inner side vestibule encapsulatings, outer middle side part is provided with embedding seal groove; Optical fiber 7 is positioned at optical fiber seal contact pin component 5, and described pin front mounting plate 2 is fixed in housing 1 by O-ring seals 4 sealings, and pin front mounting plate 2 inside are provided with closure gasket groove; Optical fiber seal contact pin component 5 is fixed on the inner one end of pin front mounting plate 2 by the embedding of embedding silicon rubber, and optical fiber seal contact pin component 5, pin front mounting plate 2 after contact pin installing plate 8 and embedding are fixed on housing 1 inside by gland nut 6; And pin front mounting plate 2 and contact pin installing plate 8 contact positions are provided with sealed groove, and O-ring seal 3 is fixed in sealed groove.
Described in the present embodiment, all optical fiber seal contact pin components of sealing to through the wall fiber optic adapter all adopt independent sealing, the method of carrying out bonding embedding by casting glue is again carried out embedding sealing by all optical fiber seal contact pin components, and the sealing between last and housing adopts O-ring seals to carry out triple seal processing.
Described in the present embodiment, sealing to through the wall fiber optic adapter can meet the optical signal transmission work of more domestic high-accuracy hermetically-sealed instruments, for the vital role that the broad development of fiber-optic signal plays later, the optical fiber seal contact pin component of fiber optic adapter adopts the independent hermetically-sealed construction of inner encapsulating, make each optical fiber contact pins assembly all can realize sealing energy supply, the outside structural design that increases embedding seal groove of optical fiber seal contact pin component, be used in conjunction with the closure gasket groove of pin front mounting plate inside, again by the embedding of embedding silicon rubber, solidify, it is the inner sealing energy supply that realizes, between pin front mounting plate and housing, adopt the design of three layers of O-ring seals, by above relevant design, can meet the seal request of sealing to through the wall fiber optic adapter completely, by experiments of sealing performance, verify, this structure can be under an atm difference, guarantee that slip is less than 1 * 10
-7pa.m
3/ s, thus the inside and outside conducting function of light signal in pressurized capsule completed.
Described sealing to through the wall fiber optic adapter has the features such as volume is little, lightweight, precision is high, transmitted data amount is large.
Claims (1)
1. a sealing to through the wall fiber optic adapter, is characterized in that: described sealing to through the wall fiber optic adapter is constructed as follows: housing (1), pin front mounting plate (2), O-ring seal (3), O-ring seals (4), optical fiber seal contact pin component (5), gland nut (6), contact pin installing plate (8);
Described optical fiber seal contact pin component (5) inner side vestibule encapsulating, outer middle side part is provided with embedding seal groove; Optical fiber (7) is positioned at optical fiber seal contact pin component (5), and described pin front mounting plate (2) is fixed in housing (1) by O-ring seals (4) sealing, and pin front mounting plate (2) inside is provided with closure gasket groove; Optical fiber seal contact pin component (5) is fixed on the inner one end of pin front mounting plate (2) by the embedding of embedding silicon rubber, and optical fiber seal contact pin component (5), pin front mounting plate (2) after contact pin installing plate (8) and embedding are fixed on housing (1) inside by gland nut (6); And pin front mounting plate (2) and contact pin installing plate (8) contact position are provided with sealed groove, and O-ring seal (3) is fixed in sealed groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514547.4U CN203480080U (en) | 2013-08-20 | 2013-08-20 | Through-wall sealing fiber adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514547.4U CN203480080U (en) | 2013-08-20 | 2013-08-20 | Through-wall sealing fiber adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203480080U true CN203480080U (en) | 2014-03-12 |
Family
ID=50228388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320514547.4U Withdrawn - After Issue CN203480080U (en) | 2013-08-20 | 2013-08-20 | Through-wall sealing fiber adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203480080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439770A (en) * | 2013-08-20 | 2013-12-11 | 沈阳兴华航空电器有限责任公司 | Through-wall sealing optical fiber adapter |
-
2013
- 2013-08-20 CN CN201320514547.4U patent/CN203480080U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439770A (en) * | 2013-08-20 | 2013-12-11 | 沈阳兴华航空电器有限责任公司 | Through-wall sealing optical fiber adapter |
| CN103439770B (en) * | 2013-08-20 | 2015-09-30 | 沈阳兴华航空电器有限责任公司 | A kind of sealing to through the wall fiber optic adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150930 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |