CN105449483A - Rotary connector - Google Patents
Rotary connector Download PDFInfo
- Publication number
- CN105449483A CN105449483A CN201510816534.6A CN201510816534A CN105449483A CN 105449483 A CN105449483 A CN 105449483A CN 201510816534 A CN201510816534 A CN 201510816534A CN 105449483 A CN105449483 A CN 105449483A
- Authority
- CN
- China
- Prior art keywords
- assembly
- axle
- overcoat
- rotary
- rotary connector
- 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.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention provides a rotary connector, and the connector comprises an internal rotating assembly and an external rotating assembly, which are arranged coaxially. The internal rotating assembly comprises an internal assembly inner shaft and an internal assembly sheath, which are arranged coaxially and are assembled in a relative rotation manner. The external rotating assembly comprises an external assembly inner shaft and an external assembly sheath, which are arranged coaxially and are assembled in a relative rotation manner. The internal assembly sheath and the external assembly inner shaft are in peripheral rotation-stopping assembly, and the internal assembly inner shaft and the external assembly sheath are in peripheral rotation-stopping assembly. The internal and external assembly sheaths form a multi-layer structure in a radial direction. The internal assembly sheath and the external assembly inner shaft are in peripheral rotation-stopping assembly, and the internal assembly inner shaft and the external assembly sheath are in peripheral rotation-stopping assembly, thereby enabling the internal and external rotating assemblies to transmit multiple electric signals at the same time. Therefore, the axial length of the connector is far less than the length of a rotary connector employing one rotating assembly in the prior art when the total number of transmission signals is defined.
Description
Technical field
The present invention relates to a kind of rotary connector.
Background technology
Along with the development of communication information technology, connector is also constantly improving as the primary element of signal transmission.If application publication number is CN10431714A, Shen Qing Publication day is that the Chinese invention patent of 2015.1.28 discloses a kind of photoelectric composite-rotation connector, comprise optical rotary joint and electric rotary connector, optical rotary joint comprises optical rotary joint stator and optical rotary joint rotor, electric rotary connector comprises electric rotary connector stator and electric rotary connector rotor, electric rotary connector stator comprises stator case, electric rotary connector rotor comprises the rotating shaft extended before and after axis, optical rotary joint stator is fixedly connected on electric connector stator, optical rotary joint rotor fixes assembling on the rotary shaft by the steady pin that Axis Extension direction is vertical with fore-and-aft direction, namely realize that optical rotary joint stator is relative with electric rotary connector stator to be maintained static, optical rotary joint rotor and electric rotary connector rotor are relative to electric rotary connector stator synchronous axial system.
But this connector axial length one timing, the electric slip ring number that stator is axially set up in parallel is certain, the number of signals transmitted is certain, when needs signal better by connector transmission, the axial length of connector is longer, take larger axial space, have larger requirement to assembly environment, it is very inconvenient to use.
Summary of the invention
The object of the present invention is to provide the rotary connector that a kind of coaxial multi-layer is arranged, in order to solve existing rotary connector transmission of signal more time, the problem that axial length is longer.
In order to solve the problems of the technologies described above, rotary connector of the present invention adopts following technical scheme: a kind of rotary connector, comprise interior rotary components and the inner rotary assembly of coaxial setting, described interior rotary components comprises coaxial setting and relatively rotates axle and inner assembly overcoat in the inner assembly of assembling, described inner rotary assembly comprises coaxial setting and relatively rotates axle and outer assembly overcoat in the outer assembly of assembling, axle circumference spline assembling in described inner assembly overcoat and outer assembly, axle and the assembling of outer assembly overcoat circumference spline in described inner assembly.
The cylindrical case extended before and after described rotary connector comprises and rotate around the axis of cylindrical case and be assemblied in the runing rest of cylindrical case front end, in described inner assembly the leading section of axle and outer assembly overcoat to be connected on runing rest and with runing rest synchronous axial system.
The center of runing rest is provided with connecting hole, and in inner assembly, the front end of axle is inserted in connecting hole, and in connecting hole and inner assembly, axle positive realizes spline.
Inner assembly overcoat is fixedly connected with by annular connecting plate with the front end of axle in outer assembly.
Described rotary connector also comprises light rotary components, the pivot center of described smooth rotary components and the dead in line of interior rotary components, described smooth rotary components comprises coaxially sheathed and axle and optical assembly overcoat in the optical assembly relatively rotating assembling, in described optical assembly, in axle and inner assembly, axle circumference spline assemble, and described optical assembly overcoat and the circumferential spline of inner assembly overcoat are assembled.
Described optical assembly overcoat is fixedly connected with by adapter sleeve with inner assembly overcoat.
In described optical assembly, in axle and inner assembly, axle realizes circumferential spline by the convex key and groove being respectively equipped with front and back grafting on end face close to each other.
Rotary connector of the present invention comprises coaxial setting and relatively rotates interior rotary components and the inner rotary assembly of assembling, inside and outside rotary components is set-located and forms sandwich construction in radial directions, axle circumference spline assembling in inner assembly overcoat and outer assembly, axle and the assembling of outer assembly overcoat circumference spline in inner assembly, thus make inside and outside rotary components transmit multi-channel electric signal simultaneously, so in quantity summation one timing of transmission of signal, the axial length of rotary connector of the present invention just adopts the rotary connector of single rotary components in prior art.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment one of rotary connector of the present invention;
Fig. 2 is the connection diagram of internal layer electricity rotary components and skin electricity rotary components;
Fig. 3 is the connection diagram of light rotary components and internal layer electricity rotary components.
Embodiment
The embodiment one of rotary connector of the present invention: as Figure 1-3, comprises interior rotary components 3 and the inner rotary assembly 7 of coaxial setting.Interior rotary components comprises axle 31 and inner assembly overcoat 30 in the coaxial inner assembly arranged, and is provided with rolling bearing thus axle 31 in inner assembly overcoat 30 and inner assembly can be relatively rotated around axis in inner assembly overcoat 30 and inner assembly between axle 31.Inner rotary assembly comprises axle 70 and outer assembly overcoat 71 in the coaxial outer assembly arranged, and is provided with rolling bearing and axle 70 in outer assembly overcoat 71 and outer assembly can be relatively rotated around axis in outer assembly overcoat 71 and outer assembly between axle 70.Inner assembly overcoat 30 is axially provided with multiple conduction brush side by side, accordingly, in inner assembly, axle 31 is axially provided with multiple conducting slip ring side by side; Outer assembly overcoat 71 is axially provided with conducting slip ring side by side, accordingly, in outer assembly, axle 30 is axially provided with multiple conduction brush side by side.When axle and overcoat relatively rotate in inside and outside rotary components, realized the transmission of the signal of telecommunication by the conductive contact of conduction brush and conducting slip ring.
The axial spline assembling of axle 70 in inner assembly overcoat 30 and outer assembly, and axle 31 and the circumferential spline of outer assembly overcoat 71 in inner assembly, when axle 31 relatively rotates relative to inner assembly overcoat 30 in the inner assembly of interior rotary components, can synchronously drive outer assembly overcoat 71, relative to axle 70 in outer assembly, synchronous axial system occurs.
Rotary connector of the present invention also comprises light rotary components 1, and namely rotary connector is photoelectric composite-rotation connector.The pivot center of light rotary components 1 and the dead in line of interior rotary components 3, light rotary components comprises coaxially sheathed and axle 11 and optical assembly overcoat 10 in the optical assembly relatively rotating assembling, in optical assembly, axle 11 assembles with the circumferential spline of axle 31 in inner assembly, and optical assembly overcoat 10 and the circumferential spline of inner assembly overcoat 30 are assembled.When in inner assembly, axle 31 relative synchronous axial system occurs relative to inner assembly overcoat with outer assembly 70 with outer assembly overcoat 71 like this, in optical assembly, axle 11 also relatively rotates with optical assembly overcoat 10 with axle in inner assembly 31 synchronous axial system.
In the present embodiment, rotary connector also comprises the cylindrical case 9 that front and back extend and the runing rest 6 being located at cylindrical case 9 front end, and runing rest 6 is assemblied on cylindrical case 9 around the axis rotation of cylindrical case 9.Inside and outside rotary components is assemblied in cylindrical case 9, and in inner assembly, the leading section of axle 31 and outer assembly overcoat 71 is connected on runing rest 6, when runing rest 6 rotates, can drive axle and outer assembly overcoat synchronous axial system in inner assembly.The rear end of cylindrical case 9 is connected with adpting flange 8, and adpting flange 8 is for being fixedly mounted on equipment by rotary connector.Wherein, outer assembly overcoat 71 is fixedly connected with runing rest 6, and the middle part of runing rest 6 is provided with connecting hole 610, and in inner assembly, the front end of axle 31 to be stretched in connecting hole 610 and to be connected with runing rest 6.Connecting hole 610 is the circle with flat-cut limit in the projection of shape of fore-and-aft direction, correspondingly, in inner assembly, the front end outer peripheral face of axle 31 is the shape identical with connecting hole 610, namely in inner assembly, the outer peripheral face of axle 31 is provided with plane, in other embodiments, in inner assembly, the front end outer peripheral face of axle 31 can be other polygons, correspondingly, connecting hole 610 is the polygon identical with the front end outer peripheral face shape of axle in inner assembly 31, namely in inner assembly, axle 31 and runing rest 6 realize circumferential spline by positive, the diameter of connecting hole 610 is greater than the diameter of axle 31 in inner assembly slightly, make axle in inner assembly can in connecting hole 610 radial floating slightly.
Light rotary components 1 is positioned at the rear side of inner assembly axle 31, and in inner assembly, the rear end of axle 31 is assembled by shaft coupling 4 and the circumferential spline of axle 11 in optical assembly.Shaft coupling 4 to be fixedly connected in inner assembly on axle 31, and namely its trailing flank is provided with the convex key 41 extended back towards the side of axle in optical assembly 11, correspondingly, in optical assembly, namely the leading flank of axle 11 is provided with the groove 110 for convex key 41 plug-in mounting towards the side of axle in inner assembly 31, the circumferential spline of axle 11 in axle 31 and optical assembly in inner assembly is realized by convex key 41 and the inserting of groove 110, in inner assembly axle and axle in optical assembly by convex key and groove realize spline be connected time, floating slightly can be there is diametrically.Optical assembly overcoat 10 is fixedly connected with inner assembly overcoat 30 by adapter sleeve 2, and adapter sleeve 2 extends back from optical assembly overcoat 10 and axle in optical assembly 11 is covered on inside.
In the present embodiment, in inner assembly, axle 31 and runing rest 6 adopt positive to realize the connected mode of circumferential spline, in optical assembly, axle 11 adopts the plug-in mounting of convex key and groove to realize the connected mode of circumferential spline with axle 31 in inner assembly, light rotary components is connected to the projecting end of axle 31 in inner assembly, these can to make in each assembly of rotary connector inside axle and be enclosed within when relatively rotating outward, do not have rigidly connected one end can radial direction occur slightly float, realize the automatic aligning in rotation process, when avoiding two ends all to adopt being rigidly connected, cause axle and overcoat in use rotary connector internal rotating assembly to be distorted the problem of distortion because of rigging error, good stability.
In the present embodiment, the rotary components in rotary connector has three, is respectively light rotary components, interior rotary components and inner rotary assembly, and in other embodiments, rotary components can be more than three and coaxially be set-located successively.
The embodiment two of rotary connector of the present invention: be with the difference of embodiment one, inner assembly overcoat all adopts annular connecting plate to be fixedly connected with the two ends of axle in outer assembly, and namely optical assembly overcoat is also fixedly connected with by annular connecting plate with the rear end of axle in outer assembly.
The embodiment three of rotary connector of the present invention: be with the difference of embodiment one, in inner assembly, axle and outer assembly overcoat are all rigidly attached on runing rest.
The embodiment four of rotary connector of the present invention: be with the difference of embodiment one, in optical assembly, axle is fixedly connected with by screw with axle in inner assembly.
The embodiment five of rotary connector of the present invention: be with the difference of embodiment one, rotary connector does not comprise light rotary components, uses as a kind of electric rotary connector namely separately.
The embodiment six of rotary connector of the present invention: be with the difference of embodiment one, in optical assembly, axle is provided with pin-and-hole, in inner assembly, axle is provided with spline pin that is axially extended and pin-and-hole plug-in mounting, and the diameter of pin-and-hole is greater than the external diameter of spline pin.
Rotary connector of the present invention forms radial multilayer structure by arranging multiple rotary components, adds the quantity of electric signal transmission, reduce the volume of rotary connector when finite axial length, easy to use.
Claims (8)
1. a rotary connector, it is characterized in that, comprise interior rotary components and the inner rotary assembly of coaxial setting, described interior rotary components comprises coaxial setting and relatively rotates axle and inner assembly overcoat in the inner assembly of assembling, described inner rotary assembly comprises coaxial setting and relatively rotates axle and outer assembly overcoat in the outer assembly of assembling, axle circumference spline assembling in described inner assembly overcoat and outer assembly, axle and the assembling of outer assembly overcoat circumference spline in described inner assembly.
2. rotary connector according to claim 1, it is characterized in that, the cylindrical case extended before and after described rotary connector comprises and rotate around the axis of cylindrical case and be assemblied in the runing rest of cylindrical case front end, in described inner assembly the leading section of axle and outer assembly overcoat to be connected on runing rest and with runing rest synchronous axial system.
3. rotary connector according to claim 2, it is characterized in that, the center of runing rest is provided with connecting hole, and in inner assembly, the front end of axle is inserted in connecting hole, in connecting hole and inner assembly, axle positive realizes circumferential spline, and the aperture of connecting hole is greater than the external diameter of axle in inner assembly.
4. rotary connector according to claim 3, is characterized in that, inner assembly overcoat is fixedly connected with by annular connecting plate with the front end of axle in outer assembly.
5. the rotary connector according to claim 1-4 any one, it is characterized in that, described rotary connector also comprises light rotary components, the pivot center of described smooth rotary components and the dead in line of interior rotary components, described smooth rotary components comprises coaxially sheathed and axle and optical assembly overcoat in the optical assembly relatively rotating assembling, in described optical assembly, in axle and inner assembly, axle circumference spline assemble, and described optical assembly overcoat and the circumferential spline of inner assembly overcoat are assembled.
6. rotary connector according to claim 5, is characterized in that, described optical assembly overcoat is fixedly connected with by adapter sleeve with inner assembly overcoat.
7. rotary connector according to claim 5, is characterized in that, in described optical assembly, in axle and inner assembly, axle realizes circumferential spline by the convex key and groove being respectively equipped with front and back grafting on end face close to each other.
8. rotary connector according to claim 5, is characterized in that, has radial floating gap in described optical assembly in axle and inner assembly between axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510816534.6A CN105449483B (en) | 2015-11-23 | 2015-11-23 | A kind of rotary connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510816534.6A CN105449483B (en) | 2015-11-23 | 2015-11-23 | A kind of rotary connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105449483A true CN105449483A (en) | 2016-03-30 |
| CN105449483B CN105449483B (en) | 2018-02-16 |
Family
ID=55559408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510816534.6A Active CN105449483B (en) | 2015-11-23 | 2015-11-23 | A kind of rotary connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449483B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652931A (en) * | 2019-10-13 | 2021-04-13 | 九江精密测试技术研究所 | Multilayer rotary connector |
Citations (15)
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| US5853294A (en) * | 1996-12-16 | 1998-12-29 | Rehder; Robert Henry | Anti-friction rotating contact assembly |
| CN201263028Y (en) * | 2008-08-25 | 2009-06-24 | 中航光电科技股份有限公司 | Electric rotary connector |
| CN101644800A (en) * | 2009-08-31 | 2010-02-10 | 中航光电科技股份有限公司 | Photoelectric composite-rotation connector |
| CN201413410Y (en) * | 2009-04-28 | 2010-02-24 | 中航光电科技股份有限公司 | Photoelectric compound rotary connector |
| CN201781178U (en) * | 2010-07-15 | 2011-03-30 | 中航光电科技股份有限公司 | Electric rotary connector |
| CN102273024A (en) * | 2008-12-01 | 2011-12-07 | 辛格尔浮筒系船公司 | High voltage swivel with stacked ring-shaped conductor assemblies |
| CN102394455A (en) * | 2011-07-20 | 2012-03-28 | 哈尔滨工业大学 | Wire connector capable of rotating safely |
| CN202710789U (en) * | 2012-05-31 | 2013-01-30 | 中航光电科技股份有限公司 | Photoelectric composite rotary connector |
| CN103825159A (en) * | 2014-02-14 | 2014-05-28 | 北京航天控制仪器研究所 | Rotating multi-channel power transmission device |
| CN203707529U (en) * | 2013-07-09 | 2014-07-09 | 古河电气工业株式会社 | Rotation connector |
| US20140349514A1 (en) * | 2013-05-23 | 2014-11-27 | Hon Hai Precision Industry Co., Ltd. | Electrical connector with heat-dissipation feauter thereof |
| CN104283082A (en) * | 2013-07-02 | 2015-01-14 | 阿尔卑斯电气株式会社 | Rotatable connector |
| CN104317014A (en) * | 2014-08-29 | 2015-01-28 | 中航光电科技股份有限公司 | Photoelectric composite rotary connector |
| CN104319584A (en) * | 2014-09-15 | 2015-01-28 | 中航光电科技股份有限公司 | Electric rotary connector |
| CN105048235A (en) * | 2015-05-19 | 2015-11-11 | 北京航天控制仪器研究所 | Photo-electric gas combined slip ring |
-
2015
- 2015-11-23 CN CN201510816534.6A patent/CN105449483B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5853294A (en) * | 1996-12-16 | 1998-12-29 | Rehder; Robert Henry | Anti-friction rotating contact assembly |
| CN201263028Y (en) * | 2008-08-25 | 2009-06-24 | 中航光电科技股份有限公司 | Electric rotary connector |
| CN102273024A (en) * | 2008-12-01 | 2011-12-07 | 辛格尔浮筒系船公司 | High voltage swivel with stacked ring-shaped conductor assemblies |
| CN201413410Y (en) * | 2009-04-28 | 2010-02-24 | 中航光电科技股份有限公司 | Photoelectric compound rotary connector |
| CN101644800A (en) * | 2009-08-31 | 2010-02-10 | 中航光电科技股份有限公司 | Photoelectric composite-rotation connector |
| CN201781178U (en) * | 2010-07-15 | 2011-03-30 | 中航光电科技股份有限公司 | Electric rotary connector |
| CN102394455A (en) * | 2011-07-20 | 2012-03-28 | 哈尔滨工业大学 | Wire connector capable of rotating safely |
| CN202710789U (en) * | 2012-05-31 | 2013-01-30 | 中航光电科技股份有限公司 | Photoelectric composite rotary connector |
| US20140349514A1 (en) * | 2013-05-23 | 2014-11-27 | Hon Hai Precision Industry Co., Ltd. | Electrical connector with heat-dissipation feauter thereof |
| CN104283082A (en) * | 2013-07-02 | 2015-01-14 | 阿尔卑斯电气株式会社 | Rotatable connector |
| CN203707529U (en) * | 2013-07-09 | 2014-07-09 | 古河电气工业株式会社 | Rotation connector |
| CN103825159A (en) * | 2014-02-14 | 2014-05-28 | 北京航天控制仪器研究所 | Rotating multi-channel power transmission device |
| CN104317014A (en) * | 2014-08-29 | 2015-01-28 | 中航光电科技股份有限公司 | Photoelectric composite rotary connector |
| CN104319584A (en) * | 2014-09-15 | 2015-01-28 | 中航光电科技股份有限公司 | Electric rotary connector |
| CN105048235A (en) * | 2015-05-19 | 2015-11-11 | 北京航天控制仪器研究所 | Photo-electric gas combined slip ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652931A (en) * | 2019-10-13 | 2021-04-13 | 九江精密测试技术研究所 | Multilayer rotary connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105449483B (en) | 2018-02-16 |
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