CN203698177U - Rotary connector - Google Patents
Rotary connector Download PDFInfo
- Publication number
- CN203698177U CN203698177U CN201320837378.8U CN201320837378U CN203698177U CN 203698177 U CN203698177 U CN 203698177U CN 201320837378 U CN201320837378 U CN 201320837378U CN 203698177 U CN203698177 U CN 203698177U
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- Prior art keywords
- chimeric
- fitting projection
- pair
- rotary connector
- boss portion
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- 238000003780 insertion Methods 0.000 claims abstract description 57
- 230000037431 insertion Effects 0.000 claims abstract description 57
- 230000005489 elastic deformation Effects 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 10
- 230000004807 localization Effects 0.000 description 9
- 239000011435 rock Substances 0.000 description 9
- 230000004308 accommodation Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Abstract
The utility model provides a rotary connector, which can insert a boss of a steering wheel into a boss insertion allowing part without causing shake or vibration and reliably transfer the torque produced by the rotation of the steering wheel to a rotor side. The boss insertion allowing part (38) is provided with a pair of embedding lugs (50, 60), the pair of embedding lugs (50, 60) can be embedded into embedding recesses (611, 612) formed on the periphery of the boss (610) as the boss (610) of the steering wheel (600) is inserted in an embedded manner, the embedding lug (50) in the pair of embedding lugs (50, 60) is composed of an elastic embedding lug (50), the elastic embedding lug (50) is embedded under the state of elastic deformation relative to the embedding recess (611), moreover, the other embedding lug (60) in the pair of embedding lugs (50, 60) is composed of a guiding lug (60), and the guiding lug (60) has higher rigidity than the elastic embedding lug (50) and is embedded into the embedding recess (612).
Description
Technical field
The utility model relates to the rotary connector being electrically connected between the car body of self-propelled vehicle and bearing circle.
Background technology
About the rotor of bearing circle and rotary connector, for the rotation of bearing circle is passed to rotary connector, need to be by the bottom of bearing circle with respect to rotary connector can not counterrotating mode being mounted to one.
Therefore, for example known such structure: in the time that bearing circle is mounted to the rotor of rotary connector, by be formed at bearing circle bottom bearing circle side fitting portion (boss portion) and to be formed at the rotor-side fitting portion of rotor-side chimeric, thus the rotation of bearing circle is passed to rotor-side through the telescoping part of bearing circle side fitting portion and rotor-side fitting portion.
For example, disclosed in patent documentation 1 " slewing rollers adaptor union " is also one of them.
And, described bearing circle side fitting portion is equivalent to the disclosed protuberance forming in the bottom of bearing circle 3 (9) in patent documentation 1 downwards, and what rotor-side fitting portion was equivalent to that the position corresponding with protuberance (9) of the disclosed upper surface portion at rotary shell (16) in patent documentation 1 form dodges groove (26).
; in the case of such from bearing circle towards the rotary transfer machine of rotor; due to the gap of the chimeric insertion portion of bearing circle side fitting portion and rotor-side fitting portion; there is such problem: along with the rotation of bearing circle; produce and rock at described chimeric insertion portion, thereby become the major reason that abnormal sound occurs; Or the correctly rotation of direction of transfer dish produces error between the anglec of rotation of bearing circle and the anglec of rotation that detected by rotation angle sensor.
On the other hand, for fear of such problem, chimeric insertion portion at the rotor of bearing circle and rotary connector tightly forms gap, has produced such problem: the chimeric insertion operation cannot carry out swimmingly chimeric the rotor of bearing circle and rotary connector insertion time.
Patent documentation 1: TOHKEMY 2004-120900 communique.
Utility model content
Therefore, the purpose of this utility model is to provide a kind of rotary connector, can not produce to rock or quiveringly by the chimeric insertion permission of chimeric boss portion of bearing circle insertion boss portion, and can be by the torque of bearing circle reliably to rotor-side transmission.
The utility model is rotary connector, described rotary connector is made up of stator and rotor, described rotor is concentric shape with respect to this stator and bearing circle and rotates, described rotary connector forms the through hole that has the mode inserting for steering shaft to run through on rotation axis, form and have the chimeric insertion permission of boss portion at the outer circumferential side of described through hole, the boss portion of bearing circle can be from top the chimeric insertion permission of the described boss of chimeric insertion portion, described rotary connector is characterised in that, circumferentially possesses a pair of fitting projection in the chimeric insertion permission of described boss portion, described fitting projection is outstanding to radially inner side direction in the following manner: along with by the chimeric insertion permission of the described boss of chimeric boss portion insertion portion, described fitting projection can be chimeric with the chimeric recess that the peripheral part in boss portion forms, a fitting projection in described a pair of fitting projection is made up of elasticity fitting projection, described elasticity fitting projection is chimeric with described chimeric recess under the state that elastic deformation has occurred, and, another fitting projection in described a pair of fitting projection is by guiding lug to form, described guiding lug has than the high rigidity of described elasticity fitting projection, and be embedded in described chimeric recess.
Like this, to guide lug and elasticity fitting projection, the two forms fitting projection, thus, can be by the chimeric insertion permission of chimeric boss portion of bearing circle insertion boss portion, rock or vibrate and can not produce, and the moment of torsion that the rotation of bearing circle can be produced is passed to rotor-side reliably.
As form of the present utility model, can be: a pair of described fitting projection is disposed at respectively in week of the chimeric insertion permission of described boss portion upwards across each side of the opposed part of the opposed regulation of described through hole.
According to above-mentioned structure, can be evenly a pair of chimeric insertion permission portion be disposed in upwards position farthest separated from one another of week of the chimeric insertion permission of described boss portion, therefore, can be with respect to reliably and efficiently guide boss portion of the chimeric insertion permission of described boss portion.
In addition, as form of the present utility model, can be: described elasticity fitting projection is made up of column sections and a pair of flexible tab, described column sections forms along rotation axis direction, described a pair of flexible tab is supported by the end side of this column sections, and with respect to described column sections with can be outstanding to the outside of Width with the mode of the medial surface butt of described chimeric recess.
According to above-mentioned structure, possess a pair of flexible tab at the end side of column sections, thus, make under the chimeric state of elasticity fitting projection and chimeric recess, can carry out chimericly the medial surface of chimeric recess is applied to state springy, therefore can prevent reliably to rock or vibrate.
And, gap when the medial surface butt of described a pair of flexible tab and described chimeric recess is not particularly limited, still, and preferably: for example, in the time that bearing circle rotates, even if be subject to the moment of torsion of own elasticity fitting projection, the also further tight gap of the degree of elastic deformation not.
In addition, as form of the present utility model, can be: the chimeric insertion permission of described boss portion is concave shape by concave bottom portion and interior perimembranous and forms, with respect to described through hole outer circumferential side stepped there is described concave bottom portion, described column sections forms with respect to described concave bottom portion and described interior perimembranous.
According to above-mentioned structure, the two forms as one with respect to described concave bottom portion and described interior perimembranous can to make described column sections, therefore, for example only compare with the situation that any one party in described interior perimembranous forms as one with described concave bottom portion with making described column sections, can improve rigidity and the intensity of column sections.
Therefore, guide boss portion reliably, thus the torque of bearing circle can be passed to rotor-side reliably.
At this, described column sections is not limited to the structure that relatively described concave bottom portion and described interior perimembranous directly form as one, for example, can be also such structure: via the linking portion linking up between described concave bottom portion and described column sections or described interior perimembranous and described column sections is formed as one indirectly.
According to the utility model, can provide such rotary connector: can not produce and rock or quiveringly by the chimeric insertion permission of chimeric boss portion of bearing circle insertion boss portion, and the moment of torsion that the rotation of bearing circle can be produced is reliably to rotor-side transmission.
Accompanying drawing explanation
Fig. 1 is the External view of rotary connector.
Fig. 2 is the birds-eye view of rotary connector.
Fig. 3 is the upward view of rotary connector.
Fig. 4 is the External view of observing rotary connector from other angles.
Fig. 5 is the cutaway view along the A-A line in Fig. 2.
Fig. 6 is the cutaway view along the B-B line in Fig. 2.
Fig. 7 is the cutaway view along the C-C line in Fig. 2.
Fig. 8 is the External view of rotary connector and rotation angle sensor.
Fig. 9 is the schematic diagram that utilizes elevation profile to illustrate to make the chimeric situation of boss portion.
(a1), (a2) of Figure 10, (b1), (b2) are the Action Specification figure during by the chimeric insertion permission of chimeric boss portion insertion boss portion.
Figure 11 is the lateral plan of rotary connector having been installed to the state of rotation angle sensor.
Label declaration
10: rotary connector;
21: stator;
23: periphery cartridge unit;
24: stator side adaptor union;
31: rotor;
33: interior week cylinder portion;
35: concave bottom portion;
38: the chimeric insertion permission of boss portion;
50: elasticity fitting projection;
60: guiding lug;
61: column sections;
64: flexible tab;
500: steering shaft;
600: bearing circle;
610: boss portion;
611,612: a pair of chimeric recess;
612a: the medial surface of chimeric recess;
H: through hole.
The specific embodiment
Below, based on accompanying drawing, an embodiment of the present utility model is narrated in detail.
Rotary connector 10 possesses: the stator 21 as fixation side parts that is fixed on combined switch side (lower side); Be positioned at the rotor 31 of the conduct rotation side component of bearing circle 600 sides (upper side); With not shown flat cable, described rotary connector 10 is formed as having to pass through the cylindric of through hole H that slotting mode runs through for steering shaft 500 at central part.
And in the following description, the axial below of steering shaft represents the combined switch side in the axial direction of steering shaft 500, the axial top of steering shaft represents bearing circle 600 sides in the axial direction of steering shaft 500.
As shown in the longitudinal section of Fig. 5, stator 21 is made up of integratedly fixation side annular plate parts 22 and periphery cartridge unit 23.
Fixation side annular plate parts 22 are formed as having the roughly circular of circular hole in central authorities, and have formed the bottom surface sections of rotary connector 10.
Periphery cartridge unit 23 erects setting upward from the periphery edge of these fixation side annular plate parts 22, and engages with fixation side annular plate parts 22 and realize integratedly, and this periphery cartridge unit 23 has formed the outer peripheral face cylindraceous of rotary connector 10.
Stator 21 has and is being installed on fixed jaw fixing on the combined switch of not shown Steering gear 25 stationary members such as grade.In addition, week of stator 21 sponson stretching out to radial outside direction be upwards formed with stator side adaptor union 24, this stator side adaptor union 24 is outstanding downwards from this sponson.
Stator side adaptor union 24 is connected in accommodation space S side with the peripheral end that is wound in the flat cable under the state of accommodation space S described later, and, stator side adaptor union 24 be formed as can be connected in the outside of accommodation space S to the cable of combined switch side wiring.
As shown in Figure 2, rotor 31 have integratedly overlook while observation, be configured to the top plate portion 32 of ring-type and from the inner peripheral of this top plate portion 32 to the axial below of steering shaft the outstanding interior week cylinder portion 33 arranging so that can and the upper surface side of fixation side annular plate parts 22 of stator 21 and the inner circumferential side of periphery cartridge unit 23 between be formed for receiving the accommodation space S as shown in Figure 7 that the formation of not shown flexible flat cable is ring-type.
Inner circumferential side, bottom at rotor 31 is formed with tubular extension 34, and this tubular extension 34 is convex shoulder shape to the axial below of steering shaft than fixation side annular plate parts 22 outstanding.Partial configuration between interior all cylinder portions 33 and tubular extension 34 has the circular concave bottom portion 35 at central part with through hole H, thereby is becoming stepped part with on the axial vertical vertical plane surface of steering shaft.
The position of the circumferential regulation of tubular extension 34 is formed as incision-like, as shown in Figure 8 and Figure 9, be formed with engagement groove 34a, this engagement groove 34a can engage protrusion 712 to the outstanding sensor side of centre of gration with the inner peripheral surface of the sensor side rotor portion 711 from rotation angle sensor 700 and engage.
And Fig. 9 is schematically illustrated instruction diagram after the embedded structure of bearing circle 600 and rotary connector 10 is simplified.
When a part for rotor 31 be tubular extension 34 along with the rotation of bearing circle 600 in the time that steering shaft axis rotates, sensor side engaging protrusion 712 engages with engagement groove 34a, therefore, the sensor side rotor portion 711 of rotation angle sensor 700 rotates around the axis of steering shaft 500 with the rotating gang ground of tubular extension 34.
Sensor side rotor portion 711 is around the rotation of steering shaft axis, and thus, rotation angle sensor 700 can be served as the rotary angle signal of coder outbound course dish 600.
Top plate portion 32 is covered in the upper end of periphery cartridge unit 23, but is configured to not contact with this periphery cartridge unit 23.In addition, at the position of the regulation of the outer circumferential side of top plate portion 32, to the outstanding rotor-side adaptor union 36 that is provided with in the axial top of steering shaft, this rotor-side adaptor union 36 is connected with the end, inner circumferential side of flat cable in accommodation space S side, and is connected with the circuit of loudspeaker or the safety air bag etc. of bearing circle 600 sides in the outside of accommodation space S.
On the axial center side top of the steering shaft of rotary connector 10 cylindraceous, having consisted of interior all cylinder portions 33 and concave bottom portion 35 can be for the chimeric insertion permission of the boss portion 38 of the concave shape of the boss portion 610 chimeric insertions of bearing circle 600.
As shown in Figure 9, in a pair of fitting projection 50,60 of circumferentially possessing of the chimeric insertion permission of boss portion 38, described fitting projection 50,60 is outstanding to radially inner side direction in the following manner: along with by the chimeric insertion permission of chimeric boss portion of bearing circle 600 610 insertion boss portion 38, described fitting projection 50,60 can be chimeric with chimeric recess 611,612, and described chimeric recess 611,612 is formed in the peripheral part of boss portion 610 to radial outside direction canyon topography.
That is, the chimeric insertion permission of boss portion 38 becomes the carrier of accepting bearing circle 600, and in the time inserting boss portion 610 downwards from the axial top of steering shaft, chimeric recess 611,612 and fitting projection 50,60 is chimeric and can not relatively rotate mutually.
A pair of fitting projection 50,60 with can with a pair of chimeric recess 611,612 respectively chimeric mode be disposed in week of the chimeric insertion permission of boss portion 38 upwards across each side of the opposed part of the opposed regulation of through hole H.
Specifically, a fitting projection 60 in a pair of fitting projection 50,60 is configured to can be chimeric with a chimeric recess 612 in a pair of chimeric recess 611,612 upwards having across the opposed part of the opposed regulation of central axis of boss portion 610 in week in the circumferential lateral surface of boss portion 610, and, another fitting projection 50 in a pair of fitting projection 50,60 be configured to can with a pair of chimeric recess 611,612 in another chimeric recess 611 chimeric.
Form a fitting projection 60 in a pair of fitting projection 50,60 with elasticity fitting projection 60, described elasticity fitting projection 60 is chimeric under the state that elastic deformation has occurred with respect to chimeric recess 612, and, form another fitting projection 50 in a pair of fitting projection 50,60 with such guiding lug 50 shown in Fig. 1, Fig. 2, Fig. 6, Fig. 7, Figure 10 (b1), described guiding lug 50 has the rigidity higher than elasticity fitting projection 60, and is embedded in chimeric recess 611.
As shown in the X portion enlarged drawing in Fig. 4, Fig. 5, Fig. 7, Figure 10 (a1), (a2), when elasticity fitting projection 60 is observed with front by column sections 61 and a pair of flexible tab 64, arrowhead form upward forms, described column sections 61 is axially formed as linearity along steering shaft, described a pair of flexible tab 64 is supported by the end side of this column sections 61, and with respect to column sections 61 to the outside of Width with can be outstanding with the mode of the medial surface butt of chimeric recess 612.
Column sections 61 forms with respect to concave bottom portion 35 and interior week cylinder 33 both sides of portion.
Specifically, column sections 61 is along with from the axial base portion terminad of steering shaft and then be formed as gradually less width, and then, erect upward and form as one with concave bottom portion 35 with respect to concave bottom portion 35, and, column sections 61 via the rib 62 that outstanding column sections 61 is strengthened with interior week cylinder portion 33 form as one.
As shown in Figure 7, rib 62 is outstanding along being radially wall shape with respect to concave bottom portion 35 between interior all cylinder portions 33 and column sections 61, and connects to one with interior all cylinder portions 33 and column sections 61.
And rib 62 along radially forming, is still formed with the rib 63 outstanding to the outside of Width between interior all cylinder portions 33 and column sections 61 in a part radially for rib 62.
A pair of flexible tab 64 is equivalent to the umbrella part of arrowhead form, this a pair of flexible tab 64 is formed as respectively on one side the outstanding shape of expansion gradually hanging down in outside from the terminal part of column sections 61 to Width on one side, and be formed as can be to the inner side elastic deformation of Width.
In accommodation space S, there are the not shown multiple rollers for the flexible flat cable of reeling.
In addition, form and have rotation angle sensor installation portion 40 at the lower surface of fixation side annular plate parts 22, described rotation angle sensor installation portion 40 for the rotation angle sensor 700(of downside configuration that is arranged on rotary connector 10 with reference to Fig. 3).
As shown in Fig. 3 and Fig. 8, rotation angle sensor installation portion 40 is made up of following part: fixation side annular plate parts 22; Installation of sensors flange part 41; Sensor engaging tab 42, it is for being fastened on the rotation angle sensor 700 of configuration on fixation side annular plate parts 22; With sensor localization pin 43, it is configured rotation angle sensor 700 with the state of the lower surface that is positioned fixation side annular plate parts 22.
Installation of sensors flange part 41 is formed as week of fixation side annular plate parts 22 stretching out to radial outside direction in the mode of the part that can configure rotation angle sensor 700 across through hole H and the opposed side of stator side adaptor union 24 upwards.
Rotation angle sensor 700 is being installed under the state of lower surface of rotary connector 10, as shown in Fig. 8, Fig. 9 and Figure 11, the sensor main body portion 710 that possesses sensor side rotor portion 711 of rotation angle sensor 700 is disposed at fixation side annular plate parts 22, and the sensor base portion 720 of rotation angle sensor 700 is disposed at installation of sensors flange part 41.That is, possesses sensor side adaptor union 721 at the sensor base portion 720 of rotation angle sensor 700, described sensor side adaptor union 721 mode outstanding arrange (with reference to Fig. 8) downwards being connected with the cable of the wiring from rotation angle sensor 700 to external device.
Sensor engaging tab 42 possesses 6 altogether, and these 6 sensor engaging tabs 42 are formed as respectively identical shape, and sensor engaging tab 42 is made up of 3 groups of paired sensor engaging tabs opposite one another.
Specifically, as shown in Fig. 3 and Fig. 8, the right sensor engaging tab 42A of 2 compositions in the right sensor of 3 composition engaging tab 42 be disposed at respectively the lower surface of fixation side annular plate parts 22 outer circumferential side remove position outside a side with stator side adaptor union 24 and installation of sensors flange part 41 and across the roughly position of opposed regulation of through hole H.
In addition, be extruded with the outstanding wall 44 of guiding near of these sensor engaging tabs 42 and than sensor engaging tab 42 by the position of radial outside, the outstanding wall 44 of described guiding guides with the snap portions that rotation angle sensor installation portion 40 engages engage tab 42 by sensor.
The right sensor engaging tab 42B of remaining 1 composition that the right sensor of 3 compositions engages in tab 42 configures opposed to each other in the both sides of the Width of installation of sensors flange part 41.
As shown in Figure 1, these 6 sensor engaging tabs 42 are all formed integrally as a type by snap-latch piece 42a and supporting slice 42b, described snap-latch piece 42a with respect to the circumferential lateral surface of sensor by snap fit generation elastic deformation, thereby can engage with respect to rotation angle sensor 700, described supporting slice 42b is outstanding to the axial below of steering shaft, and the both ends of supporting this snap-latch piece 42a.
In addition, as shown in Figure 8, sensor localization pin 43 forms downwards highlightedly being disposed at the chimeric mode being inserted in the knock hole 715 that is formed at rotation angle sensor 700 sides under the state of lower surface of fixation side annular plate parts 22 at rotation angle sensor 700.
Sensor localization pin 43 possesses a pair of, its be configured in respectively the lower surface of fixation side annular plate parts 22 outer circumferential side remove position outside a side with stator side adaptor union 24 and installation of sensors flange part 41 and across the roughly position of opposed regulation of through hole H.
The vertical cross-section with respect to projected direction of pair of sensors locating dowel pin 43 is formed as mutually different cross sectional shape.
Specifically, the vertical cross-section shape of a sensor localization pin 43a in pair of sensors locating dowel pin 43 is formed as positive toroidal, and the vertical cross-section shape of another sensor localization pin 43b is formed as elliptical shape.
The rotary connector 10 of said structure can play following effect.
For a pair of fitting projection upwards possessing in week 50,60 in the chimeric insertion permission of boss portion 38, as mentioned above, form a fitting projection 60 with elasticity fitting projection 60, described elasticity fitting projection 60 is chimeric under the state that elastic deformation has occurred with respect to chimeric recess 612, and, form another fitting projection 50 in a pair of fitting projection 50,60 with guiding lug 50, described guiding lug 50 has the rigidity higher than elasticity fitting projection 60, and is embedded in chimeric recess 611.
Like this, by with guiding lug 50 and elasticity fitting projection 60, the two forms a pair of fitting projection 50,60, thus, can be by the boss portion of bearing circle 600 610 with respect to the 38 chimeric insertions of the chimeric insertion permission of boss portion, rock or vibrate and can not produce, and the moment of torsion that the rotation of bearing circle 600 can be produced is passed to rotor 31 sides reliably.
Specifically, by form a side of a pair of fitting projection 50,60 with elasticity fitting projection 60, thus, as shown in Figure 10 (a1), (a2), make under the chimeric state of elasticity fitting projection 60 and chimeric recess 612, can make fitting projection 60 contact with the medial surface 612a of chimeric recess 612 under the state that elastic deformation has occurred.
Thus, can under the state of elastic force that is applied with the elasticity fitting projection 60 that elastic deformation has occurred, contact with chimeric recess 612, therefore, can eliminate the gap between elasticity fitting projection 60 and chimeric recess 612.Therefore, for example, even cause the telescoping part of elasticity fitting projection 60 and chimeric recess 612 to produce gap in the impact of the assembly error due to parts etc., also can be embedded in reliably rotor 31 not producing rock or vibrate in the situation that along with the rotation of bearing circle 600 makes bearing circle 600, and not be subject to the impact in gap.
And, form the opposing party of a pair of fitting projection 50,60 by the guiding lug 50 to there is the rigidity higher than elasticity fitting projection 60, thus, as shown in Figure 10 (b1), (b2), by under chimeric boss portion 610 state that inserts the chimeric insertion permission of boss portion 38, guiding lug 50 can guide reliably under with respect to the chimeric state of the chimeric insertion permission of boss portion 38, therefore the moment of torsion of following with the rotating photo of bearing circle 600 can be passed to rotor 31 sides reliably.
Therefore, as mentioned above, utilize guiding lug 50 that rigidity is high and elasticity excellence elasticity fitting projection 60 the two form fitting projection 50,60, thus, can not produce and rock or quiveringly by the chimeric insertion permission of chimeric boss portion of bearing circle 600 610 insertion boss portion 38, and the moment of torsion that the rotation of bearing circle 600 can be produced is reliably to rotor 31 side transmission.
And then, can utilize rotation angle sensor 700 zero-error ground correctly to detect the anglec of rotation of bearing circle 600.
In addition, as shown in Figure 2, a pair of fitting projection 50,60 is disposed at respectively in week of the chimeric insertion permission of boss portion 38 upwards across each side of the opposed part of the opposed regulation of through hole H.
According to above-mentioned structure, can evenly a pair of fitting projection 50,60 be disposed at respectively to the upwards position obtaining farthest separated from one another of week in the chimeric insertion permission of boss portion 38, therefore, can utilize the chimeric insertion permission of boss portion 38 to make the reliable and chimeric insertion efficiently of boss portion 610.
In addition, as mentioned above, elasticity fitting projection 60 is made up of column sections 61 and a pair of flexible tab 64, described column sections 61 axially forms along steering shaft, described a pair of flexible tab 64 is supported by the end side of this column sections 61, and with respect to column sections 61 to the outside of Width with can be outstanding with the mode of the medial surface butt of chimeric recess 612.
According to above-mentioned structure, possesses a pair of flexible tab 64 at the end side of column sections 61, thus, make under the chimeric state of elasticity fitting projection 60 and chimeric recess 612, can apply state springy with the medial surface 612a to chimeric recess 612 and carry out chimericly, therefore can prevent reliably to rock or vibrate.
In addition, as mentioned above, as shown in Fig. 4, Fig. 5, Fig. 7 and Figure 10 (a1), (a2), column sections 61 in elasticity fitting projection 60 forms as one with concave bottom portion 35, and, as shown in the X portion enlarged drawing in Fig. 4, Fig. 7, the column sections 61 in elasticity fitting projection 60 through rib 62 with interior week cylinder portion 33 indirectly form as one.
Like this, by make column sections 61 and concave bottom portion 35 and interior week cylinder portion 33 the two form as one, thus, for example, only compare with the situation that any one party in interior week cylinder portion 33 forms as one with concave bottom portion 35 with making column sections 61, can improve rigidity and the intensity of column sections 61.
Equally, about guiding lug 50, as shown in Fig. 1, Fig. 6 and Fig. 7, due to guiding lug 50 and concave bottom portion 35 and interior week cylinder portion 33 the two form as one, therefore, as shown in Figure 10 (b1), (b2), making to guide under the chimeric state of lug 50 and chimeric recess 611, can guide reliably.
Therefore, guide boss portion 610 reliably of the chimeric insertion permission of boss portion 38, thus the torque of bearing circle 600 can be passed to reliably to rotor 31 sides.
In addition, as shown in Figure 8, the rotary connector 10 of present embodiment is configured to can be in the bottom surface that rotation angle sensor 700 and rotary connector 10 through hole H is separately configured under concentric state, rotation angle sensor 700 is installed on stator 21, make rotation angle sensor side-connector 721 that the rotation angle sensor 700 possessing below stator 21 has and stator side adaptor union 24 week of the bottom surface of stator 21 (fixation side annular plate parts 22) upwards across through hole H opposite one another.
According to above-mentioned structure, as shown in figure 11, can by rotation angle sensor side-connector 721 and stator side adaptor union 24 disconnected from each other be disposed at the opposed part across the opposed regulation of through hole H upwards of week of the bottom surface of stator 21.
Therefore, rotation angle sensor 700 can be installed swimmingly with respect to rotary connector 10, and, the each cable being connected with rotation angle sensor side-connector 721 and stator side adaptor union 24 can be arranged swimmingly.
Specifically, for example, as the existing mounting structure of rotation angle sensor 700 and rotary connector, with rotating loof angle transducer side-connector 721 and stator side adaptor union in the case of week of the bottom surface of stator upwards roughly consistent state rotating loof angle transducer 700 is disposed in the bottom of rotary connector, produce such problem: the each cable being connected with rotation angle sensor side-connector 721 and stator side adaptor union hinders mutually, cannot carry out assembling operation smoothly with respect to stator bottom surface to rotation angle sensor 700.
And then, also produce such problem: the cable being connected with rotating loof angle transducer side-connector 721 and stator side adaptor union respectively interferes with each other etc., thereby cannot carry out compact wiring to the circuit of car body side.
On the other hand, the rotary connector 10 of present embodiment is configured to the bottom surface that can be configured under concentric state, rotation angle sensor 700 is installed at the through hole H of rotation angle sensor 700 and rotary connector 10 stator 21, and the rotation angle sensor side-connector 721 that the rotation angle sensor 700 possessing below stator 21 is had is upwards opposed across through hole H and stator side adaptor union 24 in the week of stator 21 bottom surfaces.
In addition, rotation angle sensor 700 is being mounted to after rotary connector 10, is carrying out such assembling: steering shaft 500 is run through and inserts through hole H, and by the chimeric insertion permission of chimeric boss portion of bearing circle 600 610 insertion boss portion 38.In the time carrying out this assembling or after assembling, between the not shown adaptor union possessing at stator side adaptor union 24 and combined switch, carry out the connection operation of cable.
Therefore, in the time carrying out this cable connection operation, the cable of deriving from rotation angle sensor side-connector 721 can not become obstacle, thereby the cable that can carry out swimmingly between stator side adaptor union 24 and the adaptor union of combined switch side connects operation.
And then in the time that described rotation angle sensor 700 is installed on to the bottom surface of stator 21, the routing path of the each cable being connected with rotation angle sensor side-connector 721 and stator side adaptor union 24 can not interfere with each other, thereby can carry out swimmingly wiring operation.
In addition, as mentioned above, as the sensor localization pin 43(43a of align member that locates rotation angle sensor 700 with respect to stator 21, 43b) to become following such cross sectional shape, the mode of size or configuration forms: install rotation angle sensor 700 with the posture of regulation at the lower surface with respect to stator 21, described sensor localization pin 43 be located at rotation angle sensor 700 sides and can be chimeric for the knock hole 715 of sensor localization pin 43 chimeric insertions, and, install rotation angle sensor 700 in the posture beyond the posture with regulation, described sensor localization pin 43 does not allow with the knock hole 715 that is located at rotation angle sensor 700 sides chimeric
; pair of sensors locating dowel pin 43 forms (with reference to Fig. 8) with mutually different cross sectional shape; therefore; can with wrong posture, rotation angle sensor 700 be installed with respect to the lower surface of stator 21, thereby can under the state of posture that is positioned to regulation, install with respect to the lower surface of stator 21.
In the corresponding relation of structure of the present utility model and embodiment, rotary connector of the present utility model is corresponding to the rotary connector 10 of embodiment, identical below, interior perimembranous is corresponding to interior week cylinder portion 33, the utility model is not the structure that is only defined in above-mentioned embodiment, can apply by the technological thought based on shown in claim, thereby can obtain a large amount of embodiments.
For example, the outstanding wall 44 of guiding is being disposed near of this sensor engaging tab 42 by the position of outer circumferential side than sensor engaging tab 42, but be not limited to be disposed in the position shown in Fig. 3 and Fig. 8, also can be disposed in the both sides of Width, or be disposed in radially consistent with sensor engaging tab 42 position along fixation side annular plate parts 22.
In addition, be like that prominent shape formation (with reference to Fig. 8) from the sensor side rotor portion 711 of rotation angle sensor 700 being not limited to sensor side engaging protrusion 712 described above with the sensor side engagement section that the mode that the engagement groove 34a of tubular extension 34 engages forms, also can be incision-like forms, the engagement groove 34a that is not limited to tubular extension 34 described above with the base side engagement section that can form with the mode that sensor side rotor portion 711 engages from tubular extension 34 is incision-like formation (with reference to Fig. 8) like that, also can be prominent shape formation etc. in the mode that can engage with sensor side engagement section, as long as making sensor side engagement section and the base side engagement section form of engaging mutually, just without particular limitation of.
Claims (4)
1. a rotary connector, described rotary connector is made up of stator and rotor, and described rotor is concentric shape with respect to this stator and steering shaft and rotates,
Described rotary connector forms the through hole that has the mode inserting for steering shaft to run through on rotation axis,
Form and have the chimeric insertion permission of boss portion at the outer circumferential side of described through hole, the boss portion of bearing circle can be from top the chimeric insertion permission of the described boss of chimeric insertion portion,
Described rotary connector is characterised in that,
Circumferentially possesses a pair of fitting projection in the chimeric insertion permission of described boss portion, described fitting projection is outstanding to radially inner side direction in the following manner: along with by the chimeric insertion permission of the described boss of chimeric boss portion insertion portion, described fitting projection can be chimeric with the chimeric recess that the peripheral part in boss portion forms
A fitting projection in described a pair of fitting projection is made up of elasticity fitting projection, and described elasticity fitting projection is chimeric with described chimeric recess under the state that elastic deformation has occurred, and,
Another fitting projection in described a pair of fitting projection is by guiding lug to form, and described guiding lug has than the high rigidity of described elasticity fitting projection, and is embedded in described chimeric recess.
2. rotary connector according to claim 1, is characterized in that,
A pair of described fitting projection is disposed at respectively in week of the chimeric insertion permission of described boss portion upwards across each side of the opposed part of the opposed regulation of described through hole.
3. according to claim 1 or rotary connector claimed in claim 2, it is characterized in that,
Described elasticity fitting projection is made up of column sections and a pair of flexible tab, described column sections forms along rotation axis direction, described a pair of flexible tab is supported by the end side of this column sections, and with respect to described column sections with can be outstanding to the outside of Width with the mode of the medial surface butt of described chimeric recess.
4. rotary connector according to claim 3, is characterized in that,
The chimeric insertion permission of described boss portion is concave shape by concave bottom portion and interior perimembranous and forms, with respect to described through hole outer circumferential side stepped there is described concave bottom portion,
Described column sections forms with respect to described concave bottom portion and described interior perimembranous.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-143191 | 2013-07-09 | ||
| JP2013143191 | 2013-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203698177U true CN203698177U (en) | 2014-07-09 |
Family
ID=51048660
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320838452.8U Expired - Lifetime CN203707533U (en) | 2013-07-09 | 2013-12-18 | Rotary connector |
| CN201320837270.9U Expired - Lifetime CN203707529U (en) | 2013-07-09 | 2013-12-18 | Rotation connector |
| CN201320838422.7U Expired - Lifetime CN203707530U (en) | 2013-07-09 | 2013-12-18 | Rotary connector |
| CN201320837378.8U Expired - Lifetime CN203698177U (en) | 2013-07-09 | 2013-12-18 | Rotary connector |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320838452.8U Expired - Lifetime CN203707533U (en) | 2013-07-09 | 2013-12-18 | Rotary connector |
| CN201320837270.9U Expired - Lifetime CN203707529U (en) | 2013-07-09 | 2013-12-18 | Rotation connector |
| CN201320838422.7U Expired - Lifetime CN203707530U (en) | 2013-07-09 | 2013-12-18 | Rotary connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN203707533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256708A (en) * | 2021-12-30 | 2022-03-29 | 重庆长安汽车股份有限公司 | Positioning pin and positioning structure for preventing secondary positioning |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118572B (en) * | 2014-08-08 | 2017-03-29 | 广州科易光电技术有限公司 | Fast Installation disk |
| CN105449483B (en) * | 2015-11-23 | 2018-02-16 | 中航光电科技股份有限公司 | A kind of rotary connector |
| EP4017357A4 (en) * | 2019-08-19 | 2023-04-19 | Medtrum Technologies Inc. | Sensing device |
| CN213665274U (en) * | 2020-02-20 | 2021-07-13 | 上海移宇科技股份有限公司 | Mounting device for analyte detection apparatus |
| CN112092748B (en) * | 2020-09-25 | 2021-09-21 | 东风汽车股份有限公司 | Exempt from helical cable self-locking mechanism of centering |
-
2013
- 2013-12-18 CN CN201320838452.8U patent/CN203707533U/en not_active Expired - Lifetime
- 2013-12-18 CN CN201320837270.9U patent/CN203707529U/en not_active Expired - Lifetime
- 2013-12-18 CN CN201320838422.7U patent/CN203707530U/en not_active Expired - Lifetime
- 2013-12-18 CN CN201320837378.8U patent/CN203698177U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256708A (en) * | 2021-12-30 | 2022-03-29 | 重庆长安汽车股份有限公司 | Positioning pin and positioning structure for preventing secondary positioning |
| CN114256708B (en) * | 2021-12-30 | 2023-06-02 | 重庆长安汽车股份有限公司 | Positioning pin and positioning structure for preventing secondary positioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203707533U (en) | 2014-07-09 |
| CN203707529U (en) | 2014-07-09 |
| CN203707530U (en) | 2014-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |