CN105449483B - A kind of rotary connector - Google Patents
A kind of rotary connector Download PDFInfo
- Publication number
- CN105449483B CN105449483B CN201510816534.6A CN201510816534A CN105449483B CN 105449483 B CN105449483 B CN 105449483B CN 201510816534 A CN201510816534 A CN 201510816534A CN 105449483 B CN105449483 B CN 105449483B
- Authority
- CN
- China
- Prior art keywords
- interior axle
- overcoat
- inner assembly
- rotary connector
- assembling
- 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.)
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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
Abstract
The invention provides a kind of rotary connector, including the internal rotation component being coaxially disposed and outer rotary components, internal rotation component includes being coaxially disposed and relatively rotating the inner assembly interior axle and inner assembly overcoat of assembling, outer rotary components include being coaxially disposed and relatively rotating the outer component interior axle of assembling and outer component overcoat, inner assembly overcoat and the assembling of outer component interior axle circumference rotation stop, inner assembly interior axle and the assembling of outer component overcoat circumference rotation stop.The inside and outside rotary components of rotary connector of the present invention are set-located forms sandwich construction in radial directions, inner assembly overcoat and the assembling of outer component interior axle circumference rotation stop, inner assembly interior axle and the assembling of outer component overcoat circumference rotation stop, so that inside and outside rotary components transmit multi-channel electric signal simultaneously, the timing of quantity summation one of signal so is being transmitted, the axial length of rotary connector of the invention is just much smaller than the rotary connector for using single rotary components in the prior art.
Description
Technical field
The present invention relates to a kind of rotary connector.
Background technology
With the development of communication information technology, connector is also constantly being changed as the primary element of transmission signal
Enter.Chinese invention patent as application publication number is CN10431714A, data of publication of application is 2015.1.28 discloses one kind
Photoelectric composite-rotation connector, including optical rotary joint and electric rotary connector, optical rotary joint are rotatably connected including light
Device stator and optical rotary joint rotor, electric rotary connector include electric rotary connector stator and electric rotary connector rotor,
Electric rotary connector stator includes stator case, and electric rotary connector rotor includes the rotary shaft of the front and rear extension of axis, light rotation
Connector stator is fixedly connected on electric connector stator, and optical rotary joint rotor passes through axis bearing of trend and fore-and-aft direction
Vertical steady pin fixing assembling on the rotary shaft, that is, realizes that optical rotary joint stator and electric rotary connector stator are relatively solid
Fixed motionless, 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 is regularly, the electric slip ring number being axially set up in parallel on stator is certain, transmits
Number of signals it is certain, when needing to transmit more preferable signal by connector, the axial length of connector is longer, takes
Larger axial space, there is larger requirement to assembly environment, use and be inconvenient.
The content of the invention
It is an object of the invention to provide the rotary connector that a kind of coaxial multi-layer is set, and connects to solve existing rotation
Connect device transmit signal it is more when, the problem of axial length is longer.
In order to solve the above-mentioned technical problem, rotary connector of the invention adopts the following technical scheme that：One kind rotatable connection
Device, including the internal rotation component being coaxially disposed and outer rotary components, the internal rotation component include being coaxially disposed and relatively rotating
The inner assembly interior axle and inner assembly overcoat of assembling, the outer rotary components include the outer component for being coaxially disposed and relatively rotating assembling
Interior axle and outer component overcoat, the inner assembly overcoat and the assembling of outer component interior axle circumference rotation stop, the inner assembly interior axle and outer group
Part overcoat circumference rotation stop is assembled.
The rotary connector include front and rear extension cylindrical case and around cylindrical case axis rolling assembling in cylinder
The leading section of the runing rest of shape case nose, the inner assembly interior axle and outer component overcoat be connected on runing rest and with rotation
Turn support synchronous axial system.
The center of runing rest is provided with connecting hole, and the front end of inner assembly interior axle is inserted into connecting hole, connecting hole with interior group
Part interior axle positive realizes rotation stop.
Inner assembly overcoat is fixedly connected with the front end of outer component interior axle by annular connecting plate.
The rotary connector also includes light rotary components, pivot center and the internal rotation component of the smooth rotary components
Axis overlaps, and the smooth rotary components include coaxially being arranged and relatively rotating the optical assembly interior axle and optical assembly overcoat of assembling, institute
State optical assembly interior axle to assemble with inner assembly interior axle circumference rotation stop, the optical assembly overcoat assembles with inner assembly overcoat circumference rotation stop.
The optical assembly overcoat is fixedly connected with inner assembly overcoat by adapter sleeve.
The optical assembly interior axle is with inner assembly interior axle by being respectively equipped with the convex of front and rear grafting on end face close to each other
Key realizes circumferential rotation stop with groove.
The rotary connector of the present invention includes being coaxially disposed and relatively rotating the internal rotation component of assembling and outer rotary components,
Inside and outside rotary components are set-located and form sandwich construction in radial directions, and inner assembly overcoat and outer component interior axle are circumferentially stopped
Turn assembling, inner assembly interior axle and the assembling of outer component overcoat circumference rotation stop, so that inside and outside rotary components transmit Multi-path electricity simultaneously
Signal, then transmitting the timing of quantity summation one of signal, the axial length of rotary connector of the invention is just much smaller than existing
The rotary connector of single rotary components is used in technology.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment one of the rotary connector of the present invention；
Fig. 2 is the connection diagram of internal layer electricity rotary components and outer layer electricity rotary components；
Fig. 3 is the connection diagram of light rotary components and internal layer electricity rotary components.
Embodiment
The embodiment one of the rotary connector of the present invention：As Figure 1-3, including the He of internal rotation component 3 that is coaxially disposed
Outer rotary components 7.Internal rotation component includes inner assembly interior axle 31 and the inner assembly overcoat 30 being coaxially disposed, the He of inner assembly overcoat 30
Rolling bearing is provided between inner assembly interior axle 31 so that inner assembly overcoat 30 and inner assembly interior axle 31 can occur around axis
Relatively rotate.Outer rotary components include the outer component interior axle 70 that is coaxially disposed and outer component overcoat 71, outer component overcoat 71 and outer
Rolling bearing is provided between component interior axle 70 and outer component overcoat 71 and outer component interior axle 70 are occurred relatively around axis
Rotate.Multiple conduction brush are axially provided with side by side on inner assembly overcoat 30, accordingly, in inner assembly interior axle 31 are axially provided with side by side more
Individual conducting slip ring,；Conducting slip ring axially is provided with side by side on outer component overcoat 71, accordingly, in outer component interior axle 30 axially side by side
Provided with multiple conduction brush.Inside, when the interior axle of outer rotary components and overcoat relatively rotate, conduction brush and conducting slip ring are passed through
Conductive contact realize the transmission of electric signal.
Inner assembly overcoat 30 and the assembling of 70 axial rotation stop of outer component interior axle, and inner assembly interior axle 31 and outer component overcoat 71 weeks
, being capable of timing belt when the inner assembly interior axle 31 of interior rotary components relatively rotates relative to inner assembly overcoat 30 to rotation stop
Move outer component overcoat 71 and synchronous axial system occurs relative to outer component interior axle 70.
The rotary connector of the present invention also includes light rotary components 1, i.e. rotary connector is photoelectric composite-rotation connector.
The pivot center of light rotary components 1 overlaps with the axis of internal rotation component 3, and light rotary components include coaxially being arranged and relatively rotating
The optical assembly interior axle 11 and optical assembly overcoat 10 of assembling, optical assembly interior axle 11 are assembled with 31 circumferential rotation stop of inner assembly interior axle, light group
Part overcoat 10 assembles with 30 circumferential rotation stop of inner assembly overcoat.So in inner assembly interior axle 31 and outer component overcoat 71 relative to interior group
When relative synchronous axial system occurs for part overcoat and outer component 70, optical assembly interior axle 11 also with the synchronous axial system of inner assembly interior axle 31 and with
Optical assembly overcoat 10 relatively rotates.
In the present embodiment, rotary connector also includes the cylindrical case 9 of front and rear extension and located at the front end of cylindrical case 9
Runing rest 6, runing rest 6 around cylindrical case 9 axis rolling assembling on cylindrical case 9.Inside and outside rotary components are assemblied in
In cylindrical case 9, and the leading section of inner assembly interior axle 31 and outer component overcoat 71 is connected on runing rest 6, in runing rest 6
During rotation, inner assembly interior axle and outer component overcoat synchronous axial system can be driven.The rear end of cylindrical case 9 is connected with adpting flange 8,
Adpting flange 8 is used to rotary connector being fixedly mounted on equipment.Wherein, outer component overcoat 71 is fixed with runing rest 6 and connected
Connect, the middle part of runing rest 6 is provided with connecting hole 610, and the front end of inner assembly interior axle 31 is stretched into connecting hole 610 and and runing rest
6 connections.Connecting hole 610 is the circle with flat-cut side in the projection of shape of fore-and-aft direction, correspondingly, before inner assembly interior axle 31
Hold outer peripheral face be with the identical shape of connecting hole 610, i.e. the outer peripheral face of inner assembly interior axle 31 is provided with plane, in other embodiment
In, the front end outer peripheral face of inner assembly interior axle 31 can be other polygons, and correspondingly, connecting hole 610 is and inner assembly interior axle 31
Front end outer peripheral face shape identical polygon, i.e. inner assembly interior axle 31 and runing rest 6 realize circumferential stop by positive
Turn, the diameter of connecting hole 610 is slightly larger than the diameter of inner assembly interior axle 31 so that inner assembly interior axle can be in connecting hole 610
Radially floating slightly.
Light rotary components 1 are located at the rear side of inner assembly interior axle 31, and the rear end of inner assembly interior axle 31 passes through shaft coupling 4 and light group
11 circumferential rotation stop of part interior axle is assembled.Shaft coupling 4 is fixedly connected in inner assembly interior axle 31, and side is towards in optical assembly thereafter
The side of axle 11 is provided with the convex key 41 to extend back, and correspondingly, the leading flank of optical assembly interior axle 11 is i.e. towards inner assembly interior axle 31
Side be provided with the groove 110 inserted for convex key 41, inner assembly interior axle 31 and light are realized by the inserting of convex key 41 and groove 110
The circumferential rotation stop of component interior axle 11, when inner assembly interior axle realizes that rotation stop connects by convex key with optical assembly interior axle with groove,
Floating slightly can radially occur.Optical assembly overcoat 10 is fixedly connected by adapter sleeve 2 with inner assembly overcoat 30, adapter sleeve
2 extend back from optical assembly overcoat 10 and optical assembly interior axle 11 are covered on into inside.
In the present embodiment, inner assembly interior axle 31 and runing rest 6 realized using positive circumferential rotation stop connected mode,
Optical assembly interior axle 11 realizes the connected mode of circumferential rotation stop, light rotation group with inner assembly interior axle 31 using the inserting of convex key and groove
Part is connected to the projecting end of inner assembly interior axle 31, and these can cause the interior axle of each component inside rotary connector and outer
It is enclosed on when relatively rotating, does not have rigidly connected one end to be realized in floating radially slightly in rotation process
Automatic aligning, avoid both ends using be rigidly connected when, cause because of rigging error in use in rotary connector
The interior axle and overcoat of portion's rotary components be distorted deformation the problem of, stability is good.
In the present embodiment, the rotary components in rotary connector share three, respectively light rotary components, internal rotation component
With outer rotary components, in other embodiments, rotary components can be more than three and sequentially coaxially be set-located.
The embodiment two of the rotary connector of the present invention：It is with the difference of embodiment one, inner assembly overcoat and outer
The both ends of component interior axle are fixedly connected using annular connecting plate, i.e., the rear end of optical assembly overcoat and outer component interior axle is also by ring
Shape connecting plate is fixedly connected.
The embodiment three of the rotary connector of the present invention：It is with the difference of embodiment one, inner assembly interior axle and outer
Component overcoat is rigidly attached on runing rest.
The example IV of the rotary connector of the present invention：Be with the difference of embodiment one, optical assembly interior axle with it is interior
Component interior axle is fixedly connected by screw.
The embodiment five of the rotary connector of the present invention：It is that rotary connector does not wrap with the difference of embodiment one
Light rotary components are included, i.e., are used separately as a kind of electric rotary connector.
The embodiment six of the rotary connector of the present invention：It is with the difference of embodiment one, is set in optical assembly interior axle
There is pin-and-hole, inner assembly interior axle is provided with the axially extending rotation stop pin with pin-and-hole inserting, and the diameter of pin-and-hole is more than the outer of rotation stop pin
Footpath.
The rotary connector of the present invention is by setting multiple rotary components to form radial multilayer structure, in finite axial length
In the case of add the quantity of electric signal transmission, reduce the volume of rotary connector, it is easy to use.
Claims (8)
1. a kind of rotary connector, it is characterised in that described including the inside and outside internal rotation component being coaxially disposed and outer rotary components
Internal rotation component includes being coaxially disposed and relatively rotating the inner assembly interior axle and inner assembly overcoat of assembling, the outer rotary components bag
Include the outer component interior axle for being coaxially disposed and relatively rotating assembling and outer component overcoat, the inner assembly overcoat and outer component interior axle week
To rotation stop assembling, the inner assembly interior axle and the assembling of outer component overcoat circumference rotation stop, inner assembly are put axially side by side provided with more outside
Individual conduction brush, be axially provided with multiple conducting slip rings in inner assembly interior axle side by side, put outside outer component and be axially provided with conductive slide side by side
Ring, multiple conduction brush are axially provided with side by side in outer component interior axle, inside, the interior axle of outer rotary components and overcoat relatively rotate
When, the transmission of electric signal is realized by the conductive contact of conduction brush and conducting slip ring.
2. rotary connector according to claim 1, it is characterised in that the rotary connector includes the cylinder of front and rear extension
Shape shell and around cylindrical case axis rolling assembling in the runing rest of cylindrical case front end, the inner assembly interior axle and outer
The leading section of component overcoat be connected on runing rest and with runing rest synchronous axial system.
3. rotary connector according to claim 2, it is characterised in that the center of runing rest is provided with connecting hole, interior group
The front end of part interior axle is inserted into connecting hole, and connecting hole and inner assembly interior axle positive realize circumferential rotation stop, and connecting hole
Aperture is more than the external diameter of inner assembly interior axle.
4. rotary connector according to claim 3, it is characterised in that the front end of inner assembly overcoat and outer component interior axle leads to
Annular connecting plate is crossed to be fixedly connected.
5. according to the rotary connector described in claim 1-4 any one, it is characterised in that the rotary connector also includes
Light rotary components, the pivot center of the smooth rotary components overlap with the axis of internal rotation component, and the smooth rotary components include
The coaxial optical assembly interior axle and optical assembly overcoat for being arranged and relatively rotating assembling, the optical assembly interior axle are circumferential with inner assembly interior axle
Rotation stop is assembled, and the optical assembly overcoat assembles with inner assembly overcoat circumference rotation stop.
6. rotary connector according to claim 5, it is characterised in that the optical assembly overcoat passes through with inner assembly overcoat
Adapter sleeve is fixedly connected.
7. rotary connector according to claim 5, it is characterised in that the optical assembly interior axle passes through with inner assembly interior axle
The convex key of front and rear grafting is respectively equipped with end face close to each other and groove realizes circumferential rotation stop.
8. rotary connector according to claim 5, it is characterised in that between the optical assembly interior axle and inner assembly interior axle
With radial floating gap.
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 CN105449483A (en) | 2016-03-30 |
| CN105449483B true 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) |
Families Citing this family (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 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2193011C (en) * | 1996-12-16 | 2002-03-26 | Robert Henry Rehder | 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 |
| JP5566395B2 (en) * | 2008-12-01 | 2014-08-06 | シングル ブイ ムーリングス インコーポレイテッド | High voltage swivel with stacked annular conductor assembly |
| CN201413410Y (en) * | 2009-04-28 | 2010-02-24 | 中航光电科技股份有限公司 | Photoelectric compound rotary connector |
| CN101644800B (en) * | 2009-08-31 | 2011-07-13 | 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 |
| US9022800B2 (en) * | 2013-05-23 | 2015-05-05 | Hon Hai Precision Industry Co., Ltd. | Electrical connector with heat-dissipation feauter thereof |
| JP2015011955A (en) * | 2013-07-02 | 2015-01-19 | アルプス電気株式会社 | Rotary connector |
| CN203707530U (en) * | 2013-07-09 | 2014-07-09 | 古河电气工业株式会社 | Rotary connector |
| CN103825159B (en) * | 2014-02-14 | 2015-11-11 | 北京航天控制仪器研究所 | A kind of rotating multi-channel power transmission device |
| CN104319584B (en) * | 2014-09-15 | 2016-11-30 | 中航光电科技股份有限公司 | Electric rotary connector |
| CN105048235B (en) * | 2015-05-19 | 2017-07-28 | 北京航天控制仪器研究所 | A kind of smooth electric combination slip ring |
-
2015
- 2015-11-23 CN CN201510816534.6A patent/CN105449483B/en active Active
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| Publication number | Publication date |
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| CN105449483A (en) | 2016-03-30 |
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