CN103439770A - Through-wall sealing optical fiber adapter - Google Patents
Through-wall sealing optical fiber adapter Download PDFInfo
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- CN103439770A CN103439770A CN2013103684910A CN201310368491A CN103439770A CN 103439770 A CN103439770 A CN 103439770A CN 2013103684910 A CN2013103684910 A CN 2013103684910A CN 201310368491 A CN201310368491 A CN 201310368491A CN 103439770 A CN103439770 A CN 103439770A
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- sealing
- optical fiber
- contact pin
- pin
- installation plate
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Abstract
Disclosed is a through-wall sealing optical fiber adapter. An inside side hole cavity of an optical fiber sealing inserting pin component (5) is filled with glue, an encapsulation sealing groove is formed in the middle of the outer side of the optical fiber sealing inserting pin component (5), a pin front installation plate (2) is fixed inside a shell body (1) through an O-shaped sealing ring (4) in a sealing mode, a sealing annular groove is formed inside the pin front installation plate (2), the optical fiber sealing inserting pin component (5) is fixed at one end inside the pin front installation plate (2) through encapsulation silicon rubber in an encapsulating mode, an inserting pin installation plate (8), the encapsulated optical fiber sealing inserting pin component (5) and the pin front installation plate (2) are fixed inside the shell body (1) through pressing nuts (6), a sealing concave groove is formed in the position where the pin front installation plate (2) makes contact with the inserting pin installation plate (8), and a sealing ring (3) is fixed inside the sealing concave groove. The through-wall sealing optical fiber adapter not only guarantees the sealing performance requirement of the adapter, but also meets the technological requirements in the assembling process.
Description
Technical field
The present invention relates to structural design and the applied technical field of breakout box, a kind of sealing to through the wall fiber optic adapter is provided especially.
Background technology
The internal optical fiber breakout box can be realized the energy supply of transferring mostly, but can't meet the sealing requirements of product, and mostly adopt socket design in the NT national transit device, this is designed to the mounted inside porcelain bushing, porcelain bushing inside is hollow-core construction, can't 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.
Summary of the invention
The purpose of this invention is to provide the good interior of aircraft hermetic fiber breakout box of a kind of technique effect.
The present invention utilizes 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 be sealed, 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;
The inboard vestibule encapsulating of described optical fiber seal contact pin component 5, specifically shown in Figure 2, outer middle side part is provided with the 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 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 of the present invention all adopt independent sealing, the method of carrying out bonding embedding by casting glue is again carried out the embedding sealing by all optical fiber seal contact pin components, and the sealing between last and housing adopts O-ring seals to carry out the triple seal processing.
Sealing to through the wall fiber optic adapter of the present invention 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 the embedding seal groove of optical fiber seal contact pin component, with the closure gasket groove of pin front mounting plate inside, be used in conjunction with, again by the embedding of embedding silicon rubber, solidify, it is the inner sealing energy supply that realizes, adopt the design of three layers of O-ring seals between pin front mounting plate and housing, can meet the seal request of sealing to through the wall fiber optic adapter fully by above relevant design, 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 characteristics such as volume is little, lightweight, precision is high, transmitted data amount is large.
The accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is sealing to through the wall optic fiber adaptor structure schematic diagram;
Fig. 2 is that the 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 sealed 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
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 be sealed, 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;
The inboard vestibule encapsulating of described optical fiber seal contact pin component 5, outer middle side part is provided with the 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 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 the described sealing to through the wall fiber optic adapter of the present embodiment all adopt independent sealing, the method of carrying out bonding embedding by casting glue is again carried out the embedding sealing by all optical fiber seal contact pin components, and the sealing between last and housing adopts O-ring seals to carry out the triple seal processing.
The described sealing to through the wall fiber optic adapter of the present embodiment 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 the embedding seal groove of optical fiber seal contact pin component, with the closure gasket groove of pin front mounting plate inside, be used in conjunction with, again by the embedding of embedding silicon rubber, solidify, it is the inner sealing energy supply that realizes, adopt the design of three layers of O-ring seals between pin front mounting plate and housing, can meet the seal request of sealing to through the wall fiber optic adapter fully by above relevant design, 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 characteristics 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, it 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);
The inboard vestibule encapsulating of described optical fiber seal contact pin component (5), outer middle side part is provided with the 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 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 |
---|---|---|---|
CN201310368491.0A CN103439770B (en) | 2013-08-20 | 2013-08-20 | A kind of sealing to through the wall fiber optic adapter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310368491.0A CN103439770B (en) | 2013-08-20 | 2013-08-20 | A kind of sealing to through the wall fiber optic adapter |
Publications (2)
Publication Number | Publication Date |
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CN103439770A true CN103439770A (en) | 2013-12-11 |
CN103439770B CN103439770B (en) | 2015-09-30 |
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CN201310368491.0A Active CN103439770B (en) | 2013-08-20 | 2013-08-20 | A kind of sealing to through the wall fiber optic adapter |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107167208A (en) * | 2017-07-25 | 2017-09-15 | 重庆智能水表集团有限公司 | A kind of radio remote transmitting water meter of contact pin, socket interconnection system |
CN108345070A (en) * | 2018-03-02 | 2018-07-31 | 沈阳兴华航空电器有限责任公司 | A kind of single mode optical fiber sealing adaptor device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070058908A1 (en) * | 2005-09-09 | 2007-03-15 | Yasuyuki Shibayama | Semiconductor laser module for optical scanner |
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 |
CN203480080U (en) * | 2013-08-20 | 2014-03-12 | 沈阳兴华航空电器有限责任公司 | Through-wall sealing fiber adapter |
-
2013
- 2013-08-20 CN CN201310368491.0A patent/CN103439770B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070058908A1 (en) * | 2005-09-09 | 2007-03-15 | Yasuyuki Shibayama | Semiconductor laser module for optical scanner |
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 |
CN203480080U (en) * | 2013-08-20 | 2014-03-12 | 沈阳兴华航空电器有限责任公司 | Through-wall sealing fiber adapter |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107167208A (en) * | 2017-07-25 | 2017-09-15 | 重庆智能水表集团有限公司 | A kind of radio remote transmitting water meter of contact pin, socket interconnection system |
CN108345070A (en) * | 2018-03-02 | 2018-07-31 | 沈阳兴华航空电器有限责任公司 | A kind of single mode optical fiber sealing adaptor device |
Also Published As
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CN103439770B (en) | 2015-09-30 |
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