CN203232170U - Optical fiber rotation joint - Google Patents
Optical fiber rotation joint Download PDFInfo
- Publication number
- CN203232170U CN203232170U CN 201320216568 CN201320216568U CN203232170U CN 203232170 U CN203232170 U CN 203232170U CN 201320216568 CN201320216568 CN 201320216568 CN 201320216568 U CN201320216568 U CN 201320216568U CN 203232170 U CN203232170 U CN 203232170U
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- stator
- optical fiber
- rotor
- head
- hole
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- Expired - Fee Related
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Abstract
The utility model relates to an optical fiber connecting device and aims to provide an optical fiber connecting device which is simple in structure and adapts to dynamic signal and medium signal transmission. The optical fiber rotation joint provided by the utility model comprises a cylindrical stator head and a cylindrical rotor head. The stator head is rotatably connected with the rotor head. An axial stator through hole is arranged in the stator head. An annular optical fiber array is arranged on the hole wall of the stator through hole. The annular optical fiber array is around the stator through hole. The right ends of array optical fibers in the annular optical fiber array are evenly arranged on the right end face of the stator head. The left ends of the array optical fibers are assembled into an optical fiber bundle. The optical fiber bundle and a stator optical fiber are coupled. The stator optical fiber is in the hole wall of the stator through hole. An axial rotor pipe and a rotor optical fiber are arranged in the rotor head. Partial pipe wall of the rotor pipe protrude from the left end face of the rotor head. The left end face of the rotor optical fiber directly faces the right end faces of the array optical fibers. The stator through hole and the rotor pipe are in insertion connection. According to the utility model, optical signal transmission is realized, and at the same time, the transmission of gas, oil, water and other medium signals can be realized.
Description
Technical field
The utility model relates to a kind of fiber rotation connector, particularly relates to a kind of connector that transmits medium signal for the Dynamic Signal transmission simultaneously.
Background technology
Jue Daduoshuo optical fiber rotary joint is coaxial rotary joint now, it is 201010519403.9 patented claim as the patent No., the rotary coupler spare of coaxial type optical fiber rotary joint is positioned at the center, the characteristics of this type of device are that the optical axis of optical device overlaps with the interconnect devices central shaft, this structure can guarantee that connector has simple light path, provides easier method for making rotary joint.
But in the Dynamic Signal transmission course, follow the transmission of media such as gas, oil and water sometimes, as following the transmission of gases at high pressure in some radar signal transmission course, these media need a transmission channel, and this passage is through being normally placed in the position of central shaft; Sometimes need place devices such as roller bearing, turning barrel in the part of the central shaft of rotary joint, or even human body, its objective is to stretch, roll or operation such as scanning.Because central shaft is taken by other media or device, light signal can not transmit along the optical axis that overlaps with the rotary joint central shaft, and the transmission line of most of rotary joint all occupies rotary joint central shaft or near zone, cause this type of rotary joint can not satisfy the application of above-mentioned occasion, needing a kind of center section is hollow optical fiber rotary joint.
(English is Fiber Array to fiber array, FA) is to utilize V-shaped groove (to be the V groove, V-Groove) optical fiber, a branch of optical fiber or a fibre ribbon to be installed on the array substrate.Fiber array is that the nuditing fiber of removing fibre coating partly is placed in this V-shaped groove, and pressurized device parts pressurize and be bonding by bonding agent institute, and fiber array is mainly used to directly transmit image.Numerous optical fiber are arranged in end face the geometric configuration that needs in sequence, form fiber array, the optical fiber arrangement position at array two ends is corresponding one by one, and an optical fiber is equivalent to a pixel in the array, will be in the other end reproduction of array in the light image of fiber array one end.
Light cone is a kind of optical instrument, such as patent 03210355.7 statement, the compression of optical fiber that the light cone cone is thick by an end, the other end is thin forms, and can be to greatest extent passes to the light signal of a thicker end thinner one section.
The utility model content
The technical problems to be solved in the utility model provide a kind of simple in structure, adapt to the optical fiber splicing device that Dynamic Signal transmits.
The utility model optical fiber rotary joint comprises cylindricality stator head, the cylindrical rotors head, described stator head is rotatably connected with described rotor head, offer axial stator through hole in the described stator head, offer the optical fibre ring array on the hole wall of described stator through hole, described optical fibre ring array is around described stator through hole, array fibre right-hand member in the described optical fibre ring array is evenly arranged in described stator head right side, the left end of described array fibre is combined into fibre bundle, described fibre bundle and the coupling of described stator optical fiber, described stator optical fiber is in described stator through hole hole wall, axial tube rotor and rotor optical fiber are set in the described rotor head, described tube rotor part tube wall is given prominence to described rotor head left side, described rotor optical fiber left side is over against described array fibre right side, and described stator through hole and described tube rotor are pegged graft.
Compared with prior art, when the utility model has gas, water, wet goods medium signal in transmission, light signal is delivered to array fibre from rotor optical fiber, because rotor optical fiber rotates with rotor head, there is array fibre relative with it on the rotational trajectory of rotor optical fiber, the signal of rotor optical fiber is delivered on the array fibre, and array fibre passes to stator optical fiber with light signal, and gas, water, wet goods medium are by stator through hole and tube rotor transmission.
The utility model optical fiber rotary joint, wherein said fibre bundle and described stator optical fiber are coupled by light cone, light cone is a kind of optical instrument that transmits cold light source, the optical fiber compression that the light cone cone is thick by an end, the other end is thin forms, a thick end can be collected the light signal of fibre bundle to greatest extent, pass to a thinner end then, can not cause the omission of light signal.
The utility model optical fiber rotary joint, wherein said stator head outer circumference surface suit stator casing, rotor bushing cover on the described rotor head outer circumference surface, described stator head is rotatably connected by stator casing and rotor cover with described rotor head, described stator casing right side arranges connection chamber, the left side of described connection chamber overlaps with the right side of described stator head, described rotor cover left end gos deep in the described connection chamber, between described rotor cover outer circle wall and the described connection chamber inner peripheral wall two bearings are set, the outer ring interference of described two bearings is fixed on the inner peripheral wall of described connection chamber, and the inner ring lock ring of described two bearings is on the outer circumference surface of described rotor cover.Adopt above-mentioned connected mode simple in structure, be connected firmly.
The utility model optical fiber rotary joint arranges O-ring seal between wherein said stator through hole inner peripheral surface and the described tube rotor tube wall outer circumference surface.Adopting O-ring seal is for when transmitting water, gas, wet goods material, prevents that material from leaking outside.
Below in conjunction with accompanying drawing optical fiber rotary joint of the present utility model is described further.
Description of drawings
Fig. 1 is the utility model optical fiber rotary joint cut-open view.
Embodiment
As shown in Figure 1, the utility model optical fiber rotary joint comprises stator head 1, rotor head 2, suit stator casing 3 on stator head 1 outer circumference surface, rotor bushing cover 4 on rotor head 2 outer circumference surfaces, stator head 1 is rotatably connected by stator casing 3 and rotor cover 4 with rotor head 2, stator casing 3 right sides arrange connection chamber 31, the left side of connection chamber 31 is the right side of stator head 1, rotor overlaps 4 left ends and gos deep in the connection chamber 31, rotor overlaps between 4 outer circle walls and connection chamber 31 inner peripheral walls two bearings 41 is set, the outer ring interference of two bearings 41 is fixed on the inner peripheral wall of connection chamber 31, the inner ring lock ring of two bearings 41 is on the outer circumference surface of rotor cover 4, stator head 1 comprises stator through hole 11, optical fibre ring array 12, stator optical fiber 13, stator through hole 11 is offered along stator head 1 axis, optical fibre ring array 12 is around stator through hole 11, array fibre right-hand member in the optical fibre ring array 12 is evenly arranged in stator head 1 right side, form the optical fiber continuing surface of an annular, the left end of array fibre is combined into fibre bundle, the end face of fibre bundle is over against light cone 14 thicker end end faces, the thinner end end face of light cone 14 is over against the right-hand member end face of stator optical fiber 13, rotor head 2 comprises tube rotor 21, rotor optical fiber 22, tube rotor 21 arranges and outstanding rotor head 2 left sides of part tube wall along the axis of rotor head 2, the optical fiber continuing surface that rotor optical fiber 22 left sides form over against the array fibre right side, stator through hole 11 is pegged graft with tube rotor 21, between stator through hole 11 inner peripheral surfaces and the tube rotor 21 tube wall outer circumference surfaces O-ring seal 5 is set.
The utility model in use, rotor head 2 is that relative stator 1 rotates in connection chamber 31, rotor optical fiber 22 rotational trajectories of left side in rotor head 2 left sides are annulars, this annular is just corresponding with the optical fiber continuing surface of array fibre right side composition in the fiber array 12, make rotor optical fiber 22 rotate to which position one or the corresponding coupling with it of a branch of array fibre are all arranged, when needing to transmit water simultaneously at the transmission light signal, gas, during the wet goods Dynamic Signal, light signal is delivered on the array fibre right side from rotor optical fiber 22, the left end of array fibre is assembled bunchy, the collection light cone 14 that light signal is had no to omit, light cone 14 passes to stator optical fiber 11, water, gas, the wet goods Dynamic Signal transmits by stator through hole 11 and tube rotor 21.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (4)
1. optical fiber rotary joint, comprise cylindricality stator head (1), cylindrical rotors head (2), described stator head (1) is rotatably connected with described rotor head (2), it is characterized in that: offer axial stator through hole (11) in the described stator head (1), offer optical fibre ring array (12) on the hole wall of described stator through hole (11), described optical fibre ring array (12) is around described stator through hole (11), array fibre right-hand member in the described optical fibre ring array (12) is evenly arranged in described stator head (1) right side, the left end of described array fibre is combined into fibre bundle, described fibre bundle and described stator optical fiber (13) coupling, described stator optical fiber (13) is in described stator through hole (11) hole wall, axial tube rotor (21) and rotor optical fiber (22) are set in the described rotor head (2), described tube rotor (21) part tube wall is given prominence to described rotor head (2) left side, described rotor optical fiber (22) left side is over against described array fibre right side, and described stator through hole (11) is pegged graft with described tube rotor (21).
2. optical fiber rotary joint according to claim 1 is characterized in that: described fibre bundle and described stator optical fiber (13) are by light cone (14) coupling.
3. optical fiber rotary joint according to claim 2, it is characterized in that: suit stator casing (3) on described stator head (1) outer circumference surface, rotor bushing cover (4) on described rotor head (2) outer circumference surface, described stator head (1) is rotatably connected by stator casing (3) and rotor cover (4) with described rotor head (2), described stator casing (3) right side arranges connection chamber (31), the left side of described connection chamber (31) overlaps with the right side of described stator head (1), described rotor cover (4) left end gos deep in the described connection chamber (31), between described rotor cover (4) outer circle wall and described connection chamber (31) inner peripheral wall two bearings (41) are set, the outer ring interference of described two bearings (41) is fixed on the inner peripheral wall of described connection chamber (31), and the inner ring lock ring of described two bearings (41) is on the outer circumference surface of described rotor cover (4).
4. optical fiber rotary joint according to claim 3 is characterized in that: between described stator through hole (11) inner peripheral surface and described tube rotor (21) the tube wall outer circumference surface O-ring seal (5) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216568 CN203232170U (en) | 2013-04-25 | 2013-04-25 | Optical fiber rotation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216568 CN203232170U (en) | 2013-04-25 | 2013-04-25 | Optical fiber rotation joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203232170U true CN203232170U (en) | 2013-10-09 |
Family
ID=49288290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320216568 Expired - Fee Related CN203232170U (en) | 2013-04-25 | 2013-04-25 | Optical fiber rotation joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203232170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235369A (en) * | 2013-04-25 | 2013-08-07 | 中国电子科技集团公司第八研究所 | Optical fiber rotary joint |
| CN103986041A (en) * | 2014-04-18 | 2014-08-13 | 中国电子科技集团公司第十一研究所 | Cable winding component for transmitting optical/electric signal of device rotating portion |
-
2013
- 2013-04-25 CN CN 201320216568 patent/CN203232170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235369A (en) * | 2013-04-25 | 2013-08-07 | 中国电子科技集团公司第八研究所 | Optical fiber rotary joint |
| CN103986041A (en) * | 2014-04-18 | 2014-08-13 | 中国电子科技集团公司第十一研究所 | Cable winding component for transmitting optical/electric signal of device rotating portion |
| CN103986041B (en) * | 2014-04-18 | 2016-01-20 | 中国电子科技集团公司第十一研究所 | A kind of wire-winding unit for equipment rotation portion light/electric signal transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20170425 |