CN206892401U - A kind of Multi-path fiber optic rotary joint - Google Patents
A kind of Multi-path fiber optic rotary joint Download PDFInfo
- Publication number
- CN206892401U CN206892401U CN201720014933.5U CN201720014933U CN206892401U CN 206892401 U CN206892401 U CN 206892401U CN 201720014933 U CN201720014933 U CN 201720014933U CN 206892401 U CN206892401 U CN 206892401U
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- optical fiber
- end optical
- rotating shaft
- fiber component
- inner sleeve
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Abstract
The utility model discloses a kind of Multi-path fiber optic rotary joint, including turning end optical fiber component, fixing end optical fiber component, prism assemblies, bevel gear planetary gear train and shell, turning end optical fiber component includes magnetic rotating shaft, first collimator fixed plate, some first optical fiber collimators and magnet fluid sealing, first optical fiber collimator runs through first collimator fixed plate, stretch into inner sleeve, magnetic rotating shaft is located in flange, magnet fluid sealing is provided with gap between flange and magnetic rotating shaft, and set cover plate, connect on the outside of magnetic rotating shaft for bearing.The problem of abrasion, aging is not present in the magnet fluid sealing that the utility model uses, and good sealing effect, can improve the reliability of Multi-path fiber optic rotary joint by the cyclic damp heat tests of ten circulations.
Description
Technical field
Optical signal transmission technical field is the utility model is related to, particularly a kind of Multi-path fiber optic rotary joint.
Background technology
Fiber rotation connector can realize optical signal from fixed part to rotating part between 360 ° of rotary transfers, adopt at present
The implementation method of Multi-path fiber optic rotary joint, it is the optical transmission principles using Dove prism, utilizes different transmissions
Mechanism realizes 2:1 deceleration, but the environmental suitability for the fiber rotation connector realized using Dove prism is not taken into full account
Problem, dew condensation phenomenon occurs in the surface of Dove prism under wet heat condition, causes optical signal can not normal transmission.
The content of the invention
In order to improve the environmental suitability of Multi-path fiber optic rotary joint, solve the multi-channel optical fibre rotation under wet heat condition and connect
The problem of device interior optics can produce condensation is connect, the utility model proposes a kind of Multi-path fiber optic rotary joint.
A kind of Multi-path fiber optic rotary joint, including turning end optical fiber component, fixing end optical fiber component, prism assemblies, cone
Planetary gear train and shell, the prism assemblies be located at the turning end optical fiber component and the fixing end optical fiber component it
Between, including inner sleeve and the Dove prism in the inner sleeve；The bevel gear planetary gear train, including two auger teeth
Wheel, at least one bevel pinion, small bearing, spring and screw, two bevel gear wheels are connected with the big bearing outer ring, institute
Bevel pinion to be stated with the small bearing outer ring to be connected, the small bearing inner race is connected with the axle, spacing by spring and screw,
The bevel gear wheel and the bevel pinion pass through flank engagement；The fixing end optical fiber component includes the second collimater fixed plate
With some second optical fiber collimators, second optical fiber collimator runs through the second collimater fixed plate, stretches into the inner sleeve
In cylinder；The jacket is in the prism assemblies, bevel gear planetary gear train and the fixing end optical fiber component surrounding, including flange
And housing；It is characterized in that：The turning end optical fiber component includes magnetic rotating shaft, first collimator fixed plate, some first light
Fine collimater and magnet fluid sealing, first optical fiber collimator run through the first collimator fixed plate, stretch into the inner sleeve
In cylinder, the magnetic rotating shaft is located in flange, and magnet fluid sealing is provided with the gap between the flange and the magnetic rotating shaft,
And set cover plate, connect on the outside of the magnetic rotating shaft for bearing.
The prism assemblies also include retainer nut, nut, interior axle and axle, the retainer nut and the nut with it is described
Interior axle is connected through a screw thread, and withstands the big bearing inner race in the interior axle, and the Dove prism is bonded in the inner sleeve, is led to
Cross screw with the retainer nut to be connected, the axle is arranged in the hole of the interior axle.
The Dove prism level is bonded in the inner sleeve.
The problem of abrasion, aging is not present in the magnet fluid sealing that the utility model uses, and good sealing effect, can pass through ten
The cyclic damp heat test of circulation, improve the reliability of Multi-path fiber optic rotary joint.
Brief description of the drawings
Fig. 1 is Multi-path fiber optic rotary joint example structure schematic diagram；
Description of reference numerals：
1-flange, 2-magnet fluid sealing, 3-magnetic rotating shaft, the 4-the first optical fiber collimator, 5-first collimator are fixed
Plate, 6-clutch shaft bearing end cap, 7-inner sleeve, 8-retainer nut, 9-big bearing, 10-bevel gear wheel, 11-bevel pinion,
12-spring, 13-small bearing, 14-screw, 15-axle, 16-ring, 17-shell, 18-second bearing end cap, 19-spiral shell
Mother, 20-Wire outlet end-coer, the 21-the second collimater fixed plate, the 22-the second optical fiber collimator, 23-Dove prism, 24-it is interior
Axle, 25-bearing, 26-cover plate.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Such as Fig. 1, the present embodiment is divided into four components and shell, be respectively turning end optical fiber component, fixing end optical fiber component,
Prism assemblies and bevel gear planetary gear train, wherein prism assemblies between turning end optical fiber component and fixing end optical fiber component,
Including inner sleeve 7, Dove prism 23, the level of Dove prism 23 is glued in inner sleeve 7, in addition to retainer nut 8, nut 19,
Interior axle 24 and axle 15, retainer nut 8 and nut 19 are connected through a screw thread with interior axle 24, withstand the interior of big bearing 9 in interior axle 24
Circle, Dove prism 23 are bonded in inner sleeve 7, are connected by screw 14 with retainer nut 8, and axle 15 is arranged on the hole of interior axle 24
It is interior.Turning end optical fiber component is located at hull outside, by magnetic rotating shaft 3, the first optical fiber collimator 4 and first collimator fixed plate
5 compositions, magnetic rotating shaft 3 are located in flange 1, outside by bearing 25, and magnetic fluid is set in the junction of flange 1 and magnetic rotating shaft 3
Sealing 2, has cover plate 26, there is hole in the center of magnetic rotating shaft 3, and some first optical fiber collimators 4 run through first collimator fixed plate 5 outside；
Fixing end optical fiber component includes the second collimater fixed plate 21 and some second optical fiber collimators 22, and the second optical fiber collimator 22 passes through
The second collimater fixed plate 21 is worn, is stretched into inner sleeve 7；Bevel gear planetary gear train includes two bevel gear wheels 10, at least one
Bevel pinion 11, small bearing 13, spring and screw, two bevel gear wheels 10 are connected with the big outer ring of bearing 9, bevel pinion 11 with it is small
The outer ring of bearing 13 is connected, and the small inner ring of bearing 13 is connected with axle 15, spacing by spring and screw, bevel gear wheel 10 and bevel pinion
11 pass through flank engagement.
The present embodiment replaces rotary seal with magnet fluid sealing 2, replaces common rotating shaft with magnetic rotating shaft 3, while set up axle
25 and cover plate 26 are held, to meet the requirement of the axiality of magnet fluid sealing 2.
Technological means disclosed in the utility model is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including being combined formed technical scheme by above technical characteristic.
Claims (3)
1. a kind of Multi-path fiber optic rotary joint, including turning end optical fiber component, fixing end optical fiber component, prism assemblies, cone tooth
Take turns planetary gear train and shell, the prism assemblies between the turning end optical fiber component and the fixing end optical fiber component,
Dove prism including inner sleeve and in the inner sleeve；The bevel gear planetary gear train, including two bevel gear wheels, extremely
Few a bevel pinion, small bearing, spring and screw, two bevel gear wheels are connected with big bearing outer ring, the small bevel gear
Wheel is connected with the small bearing outer ring, and the small bearing inner race is connected with axle, spacing by spring and screw, the bevel gear wheel
And the bevel pinion passes through flank engagement；The fixing end optical fiber component includes the second collimater fixed plate and some second light
Fine collimater, second optical fiber collimator run through the second collimater fixed plate, stretched into the inner sleeve；The shell
Cover on the prism assemblies, bevel gear planetary gear train and the fixing end optical fiber component surrounding, including flange and housing；Its feature
It is：The turning end optical fiber component includes magnetic rotating shaft, first collimator fixed plate, some first optical fiber collimators and magnetic current
Body seals, and first optical fiber collimator runs through the first collimator fixed plate, stretched into the inner sleeve, and the magnetic conduction turns
Axle position is provided with magnet fluid sealing in flange at the gap between the flange and the magnetic rotating shaft, and sets cover plate, described to lead
Connect on the outside of magnetic rotating shaft for bearing.
2. fiber rotation connector according to claim 1, it is characterised in that：The prism assemblies also include stop spiral shell
Mother, nut, interior axle and axle, the retainer nut and the nut are connected through a screw thread with the interior axle, are withstood in the interior axle
Big bearing inner race, the Dove prism is bonded in the inner sleeve, is connected by screw with the retainer nut, the axle
In the hole of the interior axle.
3. fiber rotation connector according to claim 1 or 2, it is characterised in that：The Dove prism level is bonded in
In the inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014933.5U CN206892401U (en) | 2017-01-06 | 2017-01-06 | A kind of Multi-path fiber optic rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014933.5U CN206892401U (en) | 2017-01-06 | 2017-01-06 | A kind of Multi-path fiber optic rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206892401U true CN206892401U (en) | 2018-01-16 |
Family
ID=61327932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720014933.5U Active CN206892401U (en) | 2017-01-06 | 2017-01-06 | A kind of Multi-path fiber optic rotary joint |
Country Status (1)
| Country | Link |
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| CN (1) | CN206892401U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111328379A (en) * | 2018-03-16 | 2020-06-23 | 史莱福灵有限公司 | Compact multi-channel optical rotary connector |
| CN111487726A (en) * | 2020-05-29 | 2020-08-04 | 中国电子科技集团公司第十四研究所 | Miniaturized multichannel optical fiber rotary connector |
| CN113325521A (en) * | 2021-05-21 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Super multichannel optical fiber rotary connector |
-
2017
- 2017-01-06 CN CN201720014933.5U patent/CN206892401U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111328379A (en) * | 2018-03-16 | 2020-06-23 | 史莱福灵有限公司 | Compact multi-channel optical rotary connector |
| CN111487726A (en) * | 2020-05-29 | 2020-08-04 | 中国电子科技集团公司第十四研究所 | Miniaturized multichannel optical fiber rotary connector |
| CN111487726B (en) * | 2020-05-29 | 2024-05-17 | 中国电子科技集团公司第十四研究所 | Miniaturized multichannel optical fiber rotary connector |
| CN113325521A (en) * | 2021-05-21 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Super multichannel optical fiber rotary connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191125 Address after: Room 1401, floor 14, block a, building 1, Guorui building, No. 359, Jiangdong Middle Road, Jianye District, Nanjing City, Jiangsu Province, 210019 Patentee after: Nanjing Guorui Defense System Co., Ltd. Address before: 210039 No. 8, Rui Rui Road, Yuhuatai District, Jiangsu, Nanjing Patentee before: No. 14 Inst., China Electronic Science & Technology Group Corp. |
|
| TR01 | Transfer of patent right |