CN212647078U - Straight optical fiber type cabin-penetrating optical fiber airtight adapter - Google Patents
Straight optical fiber type cabin-penetrating optical fiber airtight adapter Download PDFInfo
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- CN212647078U CN212647078U CN202021972773.3U CN202021972773U CN212647078U CN 212647078 U CN212647078 U CN 212647078U CN 202021972773 U CN202021972773 U CN 202021972773U CN 212647078 U CN212647078 U CN 212647078U
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- Prior art keywords
- optical fiber
- cabin
- plug
- socket
- straight
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- 239000013307 optical fiber Substances 0.000 title abstract description 103
- 230000003287 optical effect Effects 0.000 claims abstract description 35
- 239000000835 fiber Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 abstract description 36
- 238000000034 method Methods 0.000 abstract description 9
- 238000005452 bending Methods 0.000 description 6
- 238000005219 brazing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
A straight optical fiber type cabin-penetrating optical fiber airtight adapter and a connecting method thereof comprise: a plug; the socket is fixedly connected with the plug; a first optical ferrule disposed within the plug; the second optical ferrule is matched with the first optical ferrule in position and is arranged in the socket; the first elastic piece is arranged on the first optical ferrule; and the second elastic piece is arranged on the second optical ferrule and matched with the first elastic piece. In the implementation of the embodiment, the optical fibers are connected in the plug and the socket and are connected together in the sealing area, and the optical fibers in the cabin-penetrating optical fiber air-sealing adapter are straight, so that the low loss and long-life reliability can be realized; the integrity of the cabin-penetrating optical fiber air-tight sealing adapter structure can adapt to the mechanical environment performances such as strong vibration impact resistance and the like; the two ends of the cabin-penetrating optical fiber air-tight sealing adapter are matched with the same optical fiber plug connectors.
Description
Technical Field
The utility model belongs to the technical field of the fiber connection and specifically relates to a straight airtight adapter of cabin optic fibre is worn to optic fibre formula.
Background
At present, a common optical fiber airtight adapter bundling optical fiber airtight adapter is provided with an optical fiber buffer cavity and a bending limiting device to realize bending of redundant optical fibers, and the long-term bending of the optical fibers is low in reliability under the conditions of strong vibration and impact; in addition, the conventional cabin-penetrating optical fiber air-tight sealing adapter is formed by assembling and connecting the socket body 1 and the sealing flange 10 through the connecting sleeve 9, so that the optical fiber in the sealing cavity is bent less, but the sectional assembly greatly reduces the strong vibration impact resistance of the product, and the adaptability of aerospace application is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the technical problem that the airtight adapter of optic fibre reliability is low among the prior art, provide a straight airtight adapter of optic fibre formula cross cabin optic fibre and connection method.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a straight fiber-optic bulkhead fiber-optic hermetic adapter comprising:
a plug;
the socket is fixedly connected with the plug;
a first optical ferrule disposed within the plug;
the second optical ferrule is matched with the first optical ferrule in position and is arranged in the socket;
the first elastic piece is arranged on the first optical ferrule;
and the second elastic piece is arranged on the second optical ferrule and matched with the first elastic piece.
Straight airtight adapter of cabin optic fibre is worn to optic fibre formula, wherein, the plug is kept away from socket one end with the socket is kept away from plug one end shape is the same.
Straight airtight adapter of cabin optic fibre is worn to optic fibre formula, wherein, first elastic component reaches second elastic component is the spring.
Straight optic fibre formula cross cabin optic fibre airtight adapter, wherein, first light lock pin with second light lock pin quantity is a plurality ofly respectively, and quantity is the same.
Straight optical fiber formula cross cabin optic fibre airtight adapter, wherein, include:
a first screw disposed within the plug;
and the first screw hole is arranged in the socket and matched with the first screw rod.
A method for connecting a straight optical fiber type cabin-penetrating optical fiber airtight adapter comprises the following steps:
designing an outer shell of the cabin-crossing optical fiber air-tight sealing adapter, wherein two ends of the outer shell have the same structure and can be connected with optical fiber plug connectors of the same type;
the optical fiber outside the cabin is fixed with the socket in advance to realize that the optical fiber outside the cabin is straight, and then the optical fiber inside the cabin is ensured to be straight through fixed-length stripping and optical ferrule manufacturing of the optical fiber inside the cabin;
the multi-core optical fiber inserting core at the outer end and the inner end of the cabin ensures the connection optical performance of the two ends of the cabin-penetrating optical fiber air-tight sealing adapter and the optical fiber plug connector through the compression floating of the spring;
the connection of the screws at the two ends and the screw rod can realize the fixation between the plug and the socket and the integrity of the whole structure.
A method for connecting a straight optical fiber type cabin-penetrating optical fiber airtight adapter comprises the following steps:
the assembly of the outer end of the cabin ensures that one end which penetrates into the optical fiber firstly is straight;
the optical fiber and the socket are hermetically sealed through brazing sealing, and the sealing area is designed at the other end of the mounting flange surface of the sealing ring, so that the position of the hermetically sealed area in the cabin is ensured, and the reliability of hermetic sealing is further improved;
the optical fiber at the inner end of the cabin is ensured to be straight through fixed length stripping of the optical fiber in the cabin and manufacturing of the optical ferrule and through fixing of the ferrule and assembly with the plug.
Compared with the prior art, the beneficial effects of the utility model are that:
in the implementation of the embodiment, the optical fibers are connected in the plug and the socket and are connected together in the sealing area, and the optical fibers in the cabin-penetrating optical fiber air-sealing adapter are straight, so that the low loss and long-life reliability can be realized; the integrity of the cabin-penetrating optical fiber air-tight sealing adapter structure can adapt to the mechanical environment performances such as strong vibration impact resistance and the like; the two ends of the cabin-penetrating optical fiber air-tight sealing adapter are matched with the same optical fiber plug connectors.
Drawings
Fig. 1 is a cross-sectional view of a straight optical fiber type cabin-penetrating optical fiber airtight adapter provided by the present invention;
fig. 2 is a front view of a straight optical fiber type cabin-penetrating optical fiber airtight adapter provided by the present invention;
fig. 3 is a view of a straight optical fiber type cabin-penetrating optical fiber airtight adapter and a plug connection seat provided by the present invention;
fig. 4 is a view of another straight optical fiber type cabin-penetrating optical fiber airtight adapter and plug connection seat provided by the present invention;
fig. 5 is a view of another straight optical fiber type cabin-penetrating optical fiber airtight adapter and plug connection seat provided by the present invention;
fig. 6 is a schematic view of an embodiment of a method for connecting a straight optical fiber type cabin-penetrating optical fiber airtight adapter according to the present invention;
fig. 7 is a schematic view of another embodiment of a straight optical fiber type cabin-penetrating optical fiber airtight adapter connection method provided by the present invention;
Detailed Description
Referring to fig. 1-7, it should be understood by those skilled in the art that the terms "upper", "lower", "one end", "the other end", etc. in the disclosure of the present invention are based on the orientations and positional relationships shown in the drawings, which are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present invention.
It should be noted that, at present, a common optical fiber airtight adapter has an optical fiber buffer cavity and a bending limiting device to realize bending of surplus optical fibers, and the long-term bending of the optical fibers is low in reliability under the conditions of strong vibration and impact; in addition, the conventional cabin-penetrating optical fiber air-tight sealing adapter is formed by assembling and connecting the socket body 1 and the sealing flange 10 through the connecting sleeve 9, so that the optical fiber in the sealing cavity is bent less, but the sectional assembly greatly reduces the strong vibration impact resistance of the product, and the adaptability of aerospace application is poor.
Based on this, the present embodiment provides a straight optical fiber type cabin-penetrating optical fiber airtight adapter, including:
a plug 100;
a socket 200 fixedly connected to the plug 100;
a first optical ferrule 300 disposed within the plug 100;
a second optical ferrule 400 positionally mated with the first optical ferrule 300 and disposed within the receptacle 200;
a first elastic member 500 disposed on the first optical ferrule 300;
the second elastic member 600 is disposed on the second optical ferrule 400 and engaged with the first elastic member 500.
In the implementation of the embodiment, the optical fibers 1100 are connected in the plug and the socket and connected together in the sealing area 1200, and the optical fibers in the cabin-through optical fiber air-tight sealing adapter are straight, so that low loss and long-life reliability can be realized; the integrity of the cabin-penetrating optical fiber air-tight sealing adapter structure can adapt to the mechanical environment performances such as strong vibration impact resistance and the like; the two ends of the cabin-penetrating optical fiber air-tight sealing adapter are matched with the same optical fiber plug connectors.
In some embodiments, the end of plug 100 distal to receptacle 200 is the same shape as the end of receptacle 200 distal to plug 100.
The two ends of the plug far away from the socket have the same structure and can be connected with optical fiber plug connectors of the same type.
In some embodiments, the first elastic member 500 and the second elastic member 600 are springs.
The compression floating of the spring ensures the connection optical performance of two ends of the cabin-penetrating optical fiber air-tight sealing adapter and the optical fiber plug connector, the plug area is a high-voltage area, and the socket area is a low-voltage area.
In some embodiments, the first optical ferrule and the second optical ferrule are respectively multiple in number and the number is the same.
The plurality of first optical ferrules and the second optical ferrules are convenient to connect the plurality of optical fibers.
In some embodiments, the method comprises:
a first screw 700 provided in the plug 100;
the first screw hole 800 is disposed in the socket 200 and is engaged with the first screw 700.
The first screw 700 and the first screw hole 800 connect the plug and the socket, and may be further fixedly connected by a screw 900.
The embodiment of the utility model provides a straight airtight adapter connection method of cabin optic fibre is worn to optic fibre formula, include:
s601, designing an outer shell of the cabin-crossing optical fiber air-tight sealing adapter, wherein two ends of the outer shell have the same structure and can be connected with optical fiber plug connectors of the same type;
s602, the optical fiber outside the cabin is fixed with the socket in advance to realize that the optical fiber outside the cabin is straight, and then the optical fiber inside the cabin is ensured to be straight through fixed-length stripping and optical ferrule manufacturing of the optical fiber inside the cabin;
s603, the multi-core optical fiber inserting core at the outer end and the inner end of the cabin ensures the connection optical performance between the two ends of the cabin-penetrating optical fiber air-tight sealing adapter and the optical fiber plug connector through the compression floating of the spring;
and S604, the connection of the screws and the screw rods at the two ends can realize the fixation between the plug and the socket and the integrity of the whole structure.
As shown in fig. 1 and 6, the optical fiber and the optical ferrule at the outer end of the cabin are pre-assembled and fixed with the socket, so that the optical fiber at the outer end of the cabin is straight, air sealing between the optical fiber and the socket is realized by brazing, then the optical fiber at the inner end of the cabin is stripped in a fixed length and manufactured with the optical ferrule to ensure the length consistency of the multi-core optical fiber, and then the optical fiber ferrule in the cabin is assembled and fixed with the plug to realize the straight optical fiber in the cabin and the structure of the cabin-through optical fiber connector.
The embodiment of the utility model provides a still provide a straight airtight adapter connection method of cabin optic fibre is worn to optic fibre formula, include:
s701, assembling through the outer end of the cabin, and ensuring that one end of the optical fiber which penetrates into the cabin first is straight;
s702, the optical fiber and the socket are hermetically sealed through brazing sealing, and the sealing area is designed at the other end of the mounting flange surface of the sealing ring, so that the position of the hermetically sealed area in the cabin is ensured, and the reliability of hermetic sealing is further improved;
s703, stripping off the optical fiber in the cabin at a fixed length, manufacturing the optical ferrule, and fixing the ferrule and assembling the ferrule with the plug to ensure that the optical fiber at the end in the cabin is also straight.
As shown in fig. 1 and 7, the scheme is that an optical fiber core insert and a seat core are firstly installed at one end of a socket of the cabin-penetrating optical fiber air-tight sealing adapter, so that the optical fiber at the end of the socket is straight; the optical fiber realizes air sealing in the middle of the socket by a brazing sealing technology, and the optical fiber in the cabin is stripped in a fixed length and manufactured with an optical fiber inserting core after sealing is finished; then the plug is sleeved and matched with the socket, and the optical fiber at the plug end is ensured to be straight.
The utility model also provides an embodiment is at first with the extravehicular optic fibre and light lock pin assembly guarantee that extravehicular optic fibre is straight on the socket, secondly sealed airtight between realizing optic fibre and the socket through brazing, then the fixed length of rethread intravehicular optic fibre strips and the preparation of light lock pin, and then guarantees the length uniformity of optic fibre, with the assembly of intravehicular end lock pin and plug, realize the assembly with plug and socket through screw and screw rod at last fixedly, guarantee the wholeness of structure.
The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (5)
1. The utility model provides a straight airtight adapter of cabin optic fibre formula cross which characterized in that includes:
a plug;
the socket is fixedly connected with the plug;
a first optical ferrule disposed within the plug;
the second optical ferrule is matched with the first optical ferrule in position and is arranged in the socket;
the first elastic piece is arranged on the first optical ferrule;
and the second elastic piece is arranged on the second optical ferrule and matched with the first elastic piece.
2. The through-the-cabin fiber hermetic adapter according to claim 1, wherein an end of the plug away from the socket is the same shape as an end of the socket away from the plug.
3. The through-the-cabin fiber hermetic adapter according to claim 2, wherein the first elastic member and the second elastic member are springs.
4. The straight fiber type cabin-penetrating fiber airtight adapter according to claim 3, wherein the first optical ferrule and the second optical ferrule are respectively plural in number and are the same in number.
5. The straight fiber through-the-cabin fiber hermetic adapter according to claim 4, comprising:
a first screw disposed within the plug;
and the first screw hole is arranged in the socket and matched with the first screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021972773.3U CN212647078U (en) | 2020-09-10 | 2020-09-10 | Straight optical fiber type cabin-penetrating optical fiber airtight adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021972773.3U CN212647078U (en) | 2020-09-10 | 2020-09-10 | Straight optical fiber type cabin-penetrating optical fiber airtight adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212647078U true CN212647078U (en) | 2021-03-02 |
Family
ID=74762803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021972773.3U Withdrawn - After Issue CN212647078U (en) | 2020-09-10 | 2020-09-10 | Straight optical fiber type cabin-penetrating optical fiber airtight adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212647078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999821A (en) * | 2020-09-10 | 2020-11-27 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Straight optical fiber type cabin-penetrating optical fiber airtight adapter and connection method |
-
2020
- 2020-09-10 CN CN202021972773.3U patent/CN212647078U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999821A (en) * | 2020-09-10 | 2020-11-27 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Straight optical fiber type cabin-penetrating optical fiber airtight adapter and connection method |
| CN111999821B (en) * | 2020-09-10 | 2024-04-05 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Straight optical fiber type cabin penetrating optical fiber airtight adapter and connecting method |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210302 Effective date of abandoning: 20240405 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210302 Effective date of abandoning: 20240405 |