CN204304183U - Rotary connector - Google Patents
Rotary connector Download PDFInfo
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- CN204304183U CN204304183U CN201420750147.8U CN201420750147U CN204304183U CN 204304183 U CN204304183 U CN 204304183U CN 201420750147 U CN201420750147 U CN 201420750147U CN 204304183 U CN204304183 U CN 204304183U
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- inner cylinder
- cylinder member
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- 230000004308 accommodation Effects 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 240000001439 Opuntia Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Abstract
The utility model provides rotary connector.While the minimizing realizing installation time and cost, guarantee the reeling condition that flat cable is stable, and guarantee electric reliability.Be formed in inner cylinder member (330) to be configured with the turn back cable of part (FCa) of cable and to turn back partial configuration portion (557), described cable turns back that part (FCa) is bent into can on the length direction of flat cable (FC), be wound between the cable winding part (FCs) of accommodation space (S) and the cable extension (FCc) stretched out from connector body and change wiring direction, limiting member (370) is formed with the cable interconnecting part (556Aa) that partial configuration portion (557) is communicated with of turning back in the inside of rotor-side connector (340), described limiting member (370) part (FCa) of being turned back by cable is limited in cable and turns back partial configuration portion (557).
Description
Technical field
The utility model relates to rotary connector, it is formed by stator with relative to the rotor that this stator and steering spindle concentrically rotate, possess the accommodation space of being collected in winding manner flat cable in the inside of described rotary connector, described stator side and described rotor-side are electrically connected by described flat cable.
Background technology
In above-mentioned rotary connector, described rotor possesses rotor-side connector, the other side's side terminal that described rotor-side connector allows the end being connected to External cable to have, this External cable is connected with the electric equipment such as loudspeaker or gas-bag system of steering wheel side.
In addition, the flat cable that above-mentioned rotary connector possesses is incorporated in being formed the inner core of rotor and top board and being formed inside accommodation space that the urceolus of stator and base plate formed with the state of winding, the inner being wound in the cable winding part in this accommodation space forms cable that the mode that converts 90 degree to direction turns back and to turn back part, and cable is turned back slot-shaped the turning back in partial configuration space being partly arranged at and being formed at inner cylinder portion.
The end side that ratio cable on the length direction of flat cable is turned back and partly leaned on end side, namely utilize cable return portion to divide travel direction to change, the state connected to make the conductor exposed in this end side and the terminal plate that connector body possesses is inserted into the connector of rotor-side together with connector body.
Propose there are the various rotary connectors possessed with above-mentioned rotary connector same structure.Such as, " rotary connector " disclosed in patent document 1 is also one.
" rotary connector " described in patent document 1 possesses the first shell (rotor), and described first shell is formed by top board 2 with from the inner cylinder portion 3 that this top board 2 hangs down, and inner cylinder portion 3 is formed the gap 3c extended along above-below direction.
And, for flat cable, two-part the turning back that be divided into of the inner end of length direction is partly arranged on the 3c of gap, and is connected to than the conductor that exposes of part by end side of turning back from top board connector 11 (Fig. 1 with reference to patent document 1) projecting upward.
But, in the assembling work of rotary connector, there is such possibility: such as, because return portion is divided unexpectedly movable at the axially generation dislocation etc. of axle, flat cable relative to gap 3c, thus flat cable cannot be assembled to the position of regulation.
Particularly, the turn back thickness of the part of only being turned back by flat cable in part of cable is thickening, therefore, when from slot-shaped turn back partial configuration spatial offset, likely under the state of this dislocation, there is hook, when carrying out the assembling work of rotary connector in such a state, likely cable is turned back and is partly occurred to disturb with the component parts of rotary connector and make the part distortion etc. of flat cable that breakage occur.
When flat cable occurs damaged, likely flat cable friction and produce noise in rotary connector, in addition, in worst case, also likely break due to the damaged portion of flat cable and the parts friction of surrounding, also sometimes have no alternative but and change parts.
In addition, as the countermeasure being directed to above-mentioned problem, can consider that being increased to such as more than twice to guarantee cable by the number of turns of part of being turned back by cable turns back the thickness of part, thus make cable part of turning back not easily dislocation occur and be close to and be configured at slot-shaped cable and turn back partial configuration space.
But, when assembling rotary connector at the scene, the thickness of part of turning back in order to ensure cable, when increasing the number of times of flat cable of turning back, produce so new problem: need spended time or the special instrument of employing for turning back in the operation for flat cable of turning back, cost increases.
Prior art document
Patent document
Patent document 1: Japanese Unexamined Patent Publication 8-96913 publication
Utility model content
Therefore, the purpose of this utility model is, provides a kind of rotary connector, can guarantee the stable reeling condition of flat cable, and can guarantee electric reliability while the minimizing realizing installation time and cost.
The utility model is a kind of rotary connector, it is made up of stators and rotators, described rotor concentrically rotates relative to this stator and steering spindle, the inside of described rotary connector possesses the accommodation space of being collected in winding manner flat cable, stator side and rotor-side are electrically connected by described flat cable, and, described rotor possesses rotor-side connector, described rotor-side connector allows to connect outside connection the other side side terminal, it is characterized in that, described rotor is made up of top board and inner cylinder member, described rotor-side connector arranges from the part the circumference of described top board is outstanding, and be made up of connector shell and the connector body that can insert in this connector shell, described rotary connector is configured with and in described inner cylinder member, configures cable that cable return portion divides to turn back partial configuration portion, described cable turns back that part is bent into can on the length direction of flat cable, be wound between the cable winding part of described accommodation space and the cable extension stretched out from described connector body and change wiring direction, limiting member is formed turning back on interconnecting part that partial configuration portion is communicated with described cable of described connector inside, described limiting member part of being turned back by described cable is limited in described cable and turns back partial configuration portion.
According to the utility model, owing to being formed with described limiting member turning back on interconnecting part that partial configuration portion is communicated with described cable of described connector inside, to turn back part therefore, it is possible to utilize described limiting member to limit described cable, to turn back part axially misplacing at described rotor to avoid being configured at the turn back described cable in partial configuration portion of described cable.
Therefore, the utility model, while the minimizing realizing installation time and cost, is guaranteed the reeling condition that flat cable is stable, and is guaranteed electric reliability.
Specifically, in the assembling work of rotary connector, even if when such as described cable return portion divide relative to described cable turn back partial configuration portion described rotor axially occur dislocation, also limiting member can being utilized to guide when assembling rotary connector, making the described cable misplaced part of turning back suitably be configured in described cable and to turn back partial configuration portion.
Thus, when assembling rotary connector, will described cable be made to turn back because the flat cable of dislocation and the component parts such as described rotor or described stator occur to disturb be out of shape beyond part and breakage occurs, without the need to carry out by flat cable to described cable turn back the press-in of partial configuration portion press-in operation or there occurs the operation misplacing and confirm, therefore, it is possible to carry out the assembling work of rotary connector swimmingly to whether relative to described cable partial configuration portion of turning back.
And, owing to can not there is the situation that flat cable is such as disorderly out of shape by pressure or is assembled under there is damaged state being sandwiched between stator and rotor when assembling rotary connector, therefore there is not flat cable friction in rotary connector yet and producing the worry of noise.In addition, the worry broken owing to also there is not flat cable friction, therefore, it is possible to guarantee electric reliability.
In addition, even if turn back the number of times of flat cable for once in described cable part of turning back, also can utilize limiting member to guide into cable to turn back and partly reliably be configured in the state of turning back in partial configuration space, therefore, it is possible to easily carry out the operation of turning back of flat cable, in addition, with can reduce number of turns correspondingly, can realize the minimizing of the use amount of flat cable, result to realize the lightweight of rotary connector and the reduction of cost.
As mode of the present utility model, can be configured to, there is guide tab portion the base portion of described connector body is extended, described guide tab portion guides described cable extension and dividing cable return portion, described guide tab portion and described inner cylinder member are formed with fastened component, and described fastened component makes described guide tab portion engage with described inner cylinder member.
According to above-mentioned structure, by utilizing described fastened component to be engaged with each other in described guide tab portion and described inner cylinder member, thus described connector body can be held in the state being plugged in connector shell.
And, by utilizing described fastened component to be engaged with each other in described guide tab portion and described inner cylinder member, thus fastened component can to engage across being configured in described cable the turn back mode of part of the described cable in partial configuration portion of turning back in a thickness direction.
Therefore, by make described fastened component in this wise with in a thickness direction across described cable turn back part such fastening state engaging, thus can make described fastened component as turn back in order to avoid described cable part rotor axially occur dislocation and cover described cable turn back partial configuration portion lid and play a role, described cable is turned back and partly described fastened component together can be utilized reliably to limit with described limiting member, avoids axially misplacing at rotor.
In addition, as mode of the present utility model, can be configured to, described inner cylinder member possess from the outstanding tubular excrescence of this inner cylinder member, be configured with described fastened component in the installation position of installing described tubular excrescence relative to described inner cylinder member.
According to above-mentioned structure, owing to being configured with described fastened component in the installation position of installing described tubular excrescence relative to described inner cylinder member, therefore, it is possible to utilize tubular protuberance to cover described fastened component under the state being provided with described tubular excrescence relative to described inner cylinder member.
Thereby, it is possible to prevent from unexpectedly being removed with the engaging position of the fastened component of described inner cylinder member by described guide tab portion, can utilize fastened component that described guide tab portion and described inner cylinder member are held in the state engaged securely.
In addition, as mode of the present utility model, can be configured to, be configured with described fastened component in the turn back end of the interconnecting part side be communicated with described accommodation space in partial configuration portion of described cable.
According to above-mentioned structure, because the end of the interconnecting part side be communicated with described accommodation space in partial configuration portion of turning back at described cable is configured with described fastened component, therefore, it is possible to utilize described fastened component to guide, turn back the connected component be communicated with described cable winding part of part in the axially dislocation of rotor to avoid being configured in the turn back described cable in partial configuration portion of described cable, the volume of the cable winding part that thus can reliably prevent the dislocation of turning back part with described cable from accompanying disorderly, cable winding part can be configured to the state reliably reeled at accommodation space.
In addition, as mode of the present utility model, can be configured to, described limiting member towards described cable turn back partial configuration portion give prominence to, and formed by restriction protrusion tab, described restriction protrusion tab protrudes and together can guide the described cable extension being configured at described interconnecting part with described guide tab portion.
According to above-mentioned structure, part of described cable can being turned back reliably is constrained to be in and is configured at described cable and turns back the state in partial configuration portion, and described cable extension can be constrained to and sandwich between described restriction protrusion tab and described guide tab portion and reliably do not misplace.
Therefore, because described cable extension misplaces, therefore load is not applied to the conductor of the end side of flat cable and the connecting portion of connector end sub-connection, thus the conductor of the end side of flat cable can be held in reliably with the state of connector end sub-connection.
(effect of utility model)
According to the utility model, rotary connector as follows can be provided: while the minimizing realizing installation time and cost, the stable reeling condition of flat cable can be guaranteed, and electric reliability can be guaranteed.
Accompanying drawing explanation
Fig. 1 is the outside drawing from top view rotary connector.
Fig. 2 is the exploded perspective view observing rotary connector from below.
Fig. 3 A and Fig. 3 B is the structure key diagram of rotary connector.
Fig. 4 A and Fig. 4 B is the structure key diagram of rotary connector.
Fig. 5 is the outside drawing of connector plug component.
Fig. 6 is the exploded perspective view of a part of observing rotor from below.
Fig. 7 is the exploded perspective view observing rotor from below.
Fig. 8 is the exploded perspective view observing rotor from below.
Fig. 9 is the exploded perspective view observing rotor from below.
Figure 10 is the key diagram of rotary connector in the past.
Figure 11 is the key diagram of rotary connector in the past.
Label declaration
1 rotary connector
200 stators
300 rotors
320 top plate portions
330 inner cylinder member
335 tubular excrescences
The connector portion of 340 rotor-side
341 connector shells
370 restriction projections
372 extension limiting units
371 turn back part limiting unit
451 connector body portions
455 guide tab portions
460 guide tab holding sections
461 engaging tabs
462 pressing tabs
556Aa interconnecting part
557 cables are turned back partial configuration portion
The end of 557a interconnecting part side
S accommodation space
FC flat cable
FCs cable winding part
FCc cable extension
FCa cable is turned back part
Detailed description of the invention
Below, come with reference to the accompanying drawings to be described in detail an embodiment of the present utility model.
As shown in Figures 1 to 9, the rotary connector 1 (slewing rollers connector) of present embodiment possesses: as the stator 200 of fixation side parts, it is fixed on stacked switch side (lower side); Rotor 300, it is positioned at steering wheel side (upper side), and relatively can rotate relative to stator 200; With flat cable FC, described rotary connector 1 is formed as cylindric, and has the through hole H that steering spindle can be supplied through at central part.
Flat cable is made up of integratedly multiple straight angle conductor and insulating wrapped portion, and the compartment of terrain that described multiple straight angle conductor separates regulation is configured to row along width, described insulating wrapped portion this multiple straight angle conductor coated.In addition, the flat cable adopted in present embodiment is configured to overlap each other in a thickness direction two as one group.
In addition, in the following description, turn to axial below Dd to show the stacked switch side axially of steering spindle, turn to axial top Du to show the steering wheel side axially of steering spindle.
In addition, Fig. 1 is the outside drawing from top view rotary connector 1, and Fig. 2 is the exploded perspective view observing rotary connector 1 from below.Fig. 3 A is the top view of the one-sided half of rotary connector 1, and Fig. 3 B is the A-A line sectional view in Fig. 3 A.Fig. 4 A is the B-B line sectional view eliminated in Fig. 3 A of flat cable FC, and Fig. 4 B is the C-C line sectional view in Fig. 3 B.Fig. 5 is the outside drawing of connector plug component 442.Fig. 6 is the exploded perspective view of a part of observing rotor 300 from below, and specifically, Fig. 6 observes the exploded perspective view being about to the connector plug component 442 be plugged in before top plate portion 320, inner cylinder member 330 and connector shell 341 from below.Fig. 7 is the exploded perspective view observing rotor 300 from below, is the exploded perspective view of the rotor 300 observed from the direction different from Fig. 6.Fig. 8 is the exploded perspective view observing rotor 300 from below, is to observe the exploded perspective view installing the rotor 300 before tubular excrescence 335 relative to inner cylinder member 330 from below.Fig. 9 is the exploded perspective view observing rotor 300 from below, is the exploded perspective view of the rotor 300 observed from the direction different from Fig. 8.
Stator 200 is fixed on stacked switch, and described stacked switch is installed on steering column, and as shown in Fig. 1 to Fig. 3 A, Fig. 3 B, stator 200 is integrally constituted by fixation side ring flat-plate parts 220 and outer cylinder member 230.
Fixation side ring flat-plate parts 220 are formed as central authorities and have the roughly circular of circular hole, form the bottom surface sections of rotary connector 1.In addition, be provided with rotation angle sensor in the bottom of fixation side ring flat-plate parts 220, described rotation angle sensor is not shown, and it detects the anglec of rotation of steering spindle.
Outer cylinder member 230 is configured at the tubular turning to axial above-below direction upper shed, and it forms the outer peripheral face of the cylindrical shape of rotary connector 1.
Outer cylinder member 230 and fixation side ring flat-plate parts 220 with utilize fixation side ring flat-plate parts 220 by outer cylinder member 230 to turning to the stator bottom surface opening portion A of axial below Dd opening (with reference to Fig. 2) closed mode to make the edge, periphery of stator bottom surface opening portion A engage to form with fixation side ring flat-plate parts 220 and be integrated.
In addition, the position of the regulation of the outer circumferential side side, position than fixed outer cylinder parts 230 on stator 200, forms stator side connector portion 240 via the connector flange part 250 outstanding to radial outside with outstanding shape downwards.
Stator side connector portion 240 is connected with the end FCo of outer circumferential side of flat cable FC of the state being wound in accommodation space S place described later, and the aerial lug being formed as to possess with the not shown cable connected up from stacked switch side is connected.
As shown in Figure 1, rotor 300 is integrally constituted by such as lower component: as the top plate portion 320 of top board, during its top view in the form of a ring; Inner cylinder member 330, its inner peripheral from this top plate portion 320 is to turning to axial below Dd projecting; Tubular excrescence 335, it protrudes cylindrical shape downwards from the outer circumferential side of the through hole H of the bottom surface centre of stator 200; With connector plug component 442, it is plugged in the inside of the connector shell 341 on rotor-side connector 340 described later.
Cylindrical shape rotary connector 1 turn to axial center side top, being made up of inner cylinder member 330 and concave bottom portion 338 can for the boss intercalation permission portion Hb of spill of boss portion 610 intercalation of steering wheel.
As shown in Fig. 3 B, Fig. 4 A, Fig. 4 B, top plate portion 320 and inner cylinder member 330 are together configured for flat cable FC being received into inner accommodation space S in the form of a ring with the above-mentioned fixation side ring flat-plate parts 220 as base plate on stator 200 and outer cylinder member 230.
Possess at the end side of the projected direction of tubular excrescence 335 and remove cam 337, described releasing cam 337 makes the turning-bar of the turn direction of instruction motor vehicle reset to neutral position from left-hand rotation instruction turned position or instruction rotated position of turning right by the rotation of steering wheel.
Tubular excrescence 335 is installed on inner cylinder member 330, thus be together configured to can be rotatable integratedly with this inner cylinder member 330.
Specifically, the opposed position opposed with inner cylinder member 330 on tubular excrescence 335 is formed with tubular excrescence and is engaged tab 480, and described tubular excrescence is engaged tab 480 and protrudes a shape in the mode that can engage with inner cylinder member 330.On the other hand, the opposed position opposed with tubular excrescence 335 in inner cylinder member 330 is formed and can be engaged with tubular excrescence the tubular excrescence engagement pawl 380 that tab 480 engages.
Under the state that the periphery, upper end of this tubular excrescence 335 abuts with the lower end 330u of inner cylinder member 330, be engaged tab 480 by making tubular excrescence to engage with each other with tubular excrescence engagement pawl 380, thus tubular excrescence 335 is integrally mounted relative to inner cylinder member 330.
Top plate portion 320 is covered in the upper surface open of outer cylinder member 230, but is configured to not contact with this outer cylinder member 230.In addition, at the position of the regulation of the outer circumferential side of top plate portion 320, rotor-side connector 340 is provided with highlightedly towards turning to axial top Du, rotor-side connector 340 is connected with the conductor that exposes exposed relative to insulating wrapped portion on the inner peripheral side end portion FCi of flat cable FC in accommodation space S side, and is connected with the circuit such as loudspeaker and gas-bag system of steering wheel side in the outside of accommodation space S.
As shown in Fig. 3 B, Fig. 4 A, Fig. 4 B, the position corresponding to rotor-side connector 340 in the circumference of rotor 300 is configured with cable boot configuration portion 55, and the inner FCi of flat cable FC is directed to the inside of connector shell 341 by described cable boot configuration portion 55 from accommodation space S.
Cable boot configuration portion 55 is made up of turn back partial configuration portion 557 and cable extension configuration section 556 of cable.
As shown in the partial enlarged drawing in the partial enlarged drawing in Fig. 3 B and Fig. 4 B, the position corresponding to rotor-side connector 340 in the circumference of inner cylinder member 330, formed cable to be turned back partial configuration portion 557 by rotor-side part guide portion 357 and connector side part guide portion 457 of turning back of turning back, described rotor-side part guide portion 357 of turning back guides the cable part FCa that turns back in the side of rotor 300, described connector side part guide portion 457 of turning back guides the cable part FCa that turns back in the side of connector plug component 442 described later, these rotor-side part guide portion 357 and connector side part guide portion 457 of turning back of turning back is made to be configured to opposite each other.
Possess in the inside of cable return portion point configuration section 557 and can configure cable return portion and divide the slot-shaped cable of FCa to turn back partial configuration space 557A.
On the other hand, as shown in the partial enlarged drawing in Fig. 3 B and Fig. 4 A, the position corresponding to rotor-side connector 340 in the circumference of top plate portion 320, cable extension configuration section 556 is formed by rotor-side extension guide portion 356 and connector side extension guide portion 456, described rotor-side extension guide portion 356 guides cable extension FCc in the side of rotor 300, described connector side extension guide portion 456 guides cable extension FCc in the side of connector plug component 442 described later, these rotor-side extension guide portion 356 and connector side extension guide portion 456 is made to be configured to opposite each other.
The cable extension configuration space portion 556A that can configure cable extension FCc is possessed in the inside of cable extension configuration section 556.
At rotor-side extension guide portion 356 place, the width of flat cable FC being configured at cable extension configuration space portion 556A separates the interval of regulation and forms a pair restriction projection 370 in each side.
Restriction projection 370 protrude end become gradually width little be viewed as roughly triangular shape from the side, the end edge formed in the pair of end edge at angle formed by end turn back along projected direction with cable as shown in the partial enlarged drawing in Fig. 3 B partial configuration space 557A and connector side extension guide portion 456 opposed.
Base portion side on the projected direction of restriction one of projection 370 end edge is formed as part limiting unit 371 of turning back, can limit (partial enlarged drawing with reference in Fig. 3 B) being configured at the cable cable in the partial configuration portion 557 part FCa that turns back that turns back.In other words, the part limiting unit 371 of particularly turning back of restriction projection 370, is formed to turn back the interconnecting part 556Aa (partial enlarged drawing in reference Fig. 3 B) that partial configuration space 557A is communicated with cable in cable extension configuration space 556A.
On the other hand, the part limiting unit 371 of turning back that the ratio of an end edge of restriction projection 370 has in base portion side is formed as extension limiting unit 372 by end side, namely opposed with connector side extension guide portion 456 part, together can limit (partial enlarged drawing with reference in Fig. 3 B) the cable extension FCc being configured at cable extension configuration section 556 with connector side extension guide portion 456.
Next, Fig. 2, Fig. 3 B, Fig. 5, Fig. 6 and Fig. 7 is adopted to be described above-mentioned connector plug component 442.
Connector plug component 442 is by being plugged in the connector body portion 451 of rotor-side connector shell 341 and forming from the guide tab portion 455 that the base end side in the grafting direction in this connector body portion 451 is extended.
As shown in figs. 3 a and 5, connector body portion 451 is that terminal plate configuration section 451A is configured to two row side by side in a thickness direction and forms, many butts sub-pieces 452 is configured to row by described terminal plate configuration section 451A, and the end of described many butts sub-pieces 452 possesses the splicing ear 452a be electrically connected with not shown outside terminal.
Each terminal plate 452 that terminal plate configuration section 451A possesses is connected with the conductor that exposes peeled off by insulating wrapped on side FCi in flat cable FC.
Specifically, in flat cable FC on the FCi of side, by two be a flat cable FC in one group be connected to and in the terminal plate configuration section 451A of row arrangement, a terminal plate configuration section 451A of the nearby side that is configured in thickness direction in Figure 5, and another flat cable FC is connected to and in the terminal plate configuration section 451A of row arrangement, the terminal plate configuration section 451A of the opposing party of the inboard that is configured in thickness direction in Figure 5.
Thus, the interior side FCi of flat cable FC is connected with connector body portion 451, side FCi is configured with the cable extension FCc of the form of stretching out from the inside of rotor-side connector shell 341 in flat cable FC.
In addition, rotor-side connector 340 is made up of rotor-side connector shell 341 and connector body portion 451.
Guide tab portion 455 is made up of turn back part guide portion 457 and guide tab holding section 460 of connector side extension guide portion 456, the connector side that arranges of being connected with this connector side extension guide portion 456.
As shown in the partial enlarged drawing in Fig. 3 B, under the state that connector body portion 451 is plugged in rotor-side connector shell 341, connector side extension guide portion 456 is formed as deviously relative to connector body portion 451, together can guide cable extension FCc under the state opposed with rotor-side extension guide portion 356 with this rotor-side extension guide portion 356.
Under the state that connector body portion 451 is plugged in rotor-side connector shell 341, connector side is formed as with turning back part guide portion 457 roughly 90 degree bending relative to connector side extension guide portion 456, together can guide the cable part FCa that turns back with turn back part guide portion 357 of turning back with this rotor-side under the opposed state of part guide portion 357 of rotor-side.
Guide tab holding section 460 is formed by protruding the engaging tab 461 that can engage with the lower end 330u of inner cylinder member 330 and pressing tab 462.
Pressing tab 462 is formed as to guide from turning to axial downside Dd pair of side, the i.e. cable contrary with part limiting unit 371 of the turning back part FCa that turns back, described in turn back the turn back cable of inside of partial configuration space 557A of cable that turns to Du side, axial top to have to be configured in of part limiting unit 371 to turn back part FCa.
And, as shown in Figure 6 and Figure 8, position, the i.e. rotor-side corresponding to rotor-side connector 340 in the circumference of the bottom of inner cylinder member 330 turn back part guide portion 357 bottom on be formed with the engaged part 361 allowing to engage tab 461 and engage, and be formed with the pressing tab support 362 allowing pressing tab 462 to abut.
Engaging tab 461 and engaged part 361 are formed at the position corresponding to mid portion on the width of guide tab holding section 460, and press tab 462 and be formed at the position (partial enlarged drawing, Fig. 6 and Fig. 8 in reference Fig. 4 B) corresponding to the end 557a of the interconnecting part 557Aa side is communicated with accommodation space S in the both sides of the width of guide tab holding section 460 with tab support 362.
The rotary connector 1 of said structure can play following effect, effect:
Rotary connector 1 according to the present embodiment, the restriction projection 370 that cable turns back in partial configuration portion 557 is limited to owing to being formed with the part FCa that to be turned back by cable as described above at rotor-side extension guide portion 356 place, therefore, as shown in the partial enlarged drawing in Fig. 3 B, the part limiting unit 371 of particularly turning back in restriction projection 370 can be utilized to limit cable return portion and divide FCa, to turn back part FCa axially misplacing in steering spindle to avoid being configured in the cable cable of turning back in partial configuration portion 557.
Therefore, the particularly inner FCi of flat cable FC, while the minimizing realizing installation time and cost, can be held in stable reeling condition, and can guarantee electric reliability by the rotary connector 1 of present embodiment.
Specifically, in the assembling work of the rotary connector 1 of embodiment, even if when such as cable turn back part FCa relative to cable turn back partial configuration portion 557 steering spindle axially occur dislocation, also the part limiting unit 371 of particularly turning back in restriction projection 370 can be utilized when assembling rotary connector 1 to guide, making the cable the misplaced part FCa that turns back suitably be configured at cable and to turn back partial configuration portion 557.
Thus, when assembling rotary connector 1, cable will be turned back part FCa to such an extent as to flat cable FC intentional deformation and breakage occurs, therefore, it is possible to carry out the assembling work of rotary connector 1 swimmingly with occurring to disturb due to the flat cable FC of rotor 300, stator 200 or connector plug component 442 and dislocation.
And, because flat cable FC can not be mounted to the inside of rotary connector 1 under the state of breakage, therefore there is not flat cable FC in rotary connector 1 yet and rub and produce the worry of noise, in addition, there is not the worry of friction and broken string, therefore, it is possible to guarantee electric reliability yet.
In addition, as in Figure 10 particularly shown in partial enlarged drawing, in rotary connector 1000 in the past, owing to not being formed with restriction projection 370 at rotor-side extension guide portion 3560 place, therefore cannot guide from top to being configured at the cable cable of the partial configuration space 557A part FCa that turns back that turns back.
Like this, the cable part FCa that turns back divides axially rocking or misplacing in steering spindle on configuration space 557A in cable return portion, and this rocks or misplace and passes on cable winding part FCs, thus likely becomes this cable winding part FCs and roll up random factor.
In addition, Figure 10 is the key diagram of the structure that the rotary connector 1000 in the past corresponding with Fig. 6 is described.
Relative to this, in the rotary connector 1 of present embodiment, even if such as there is vibration etc. in vehicle, also the part limiting unit 371 of particularly turning back of restriction projection 370 can be utilized as shown in the partial enlarged drawing in Fig. 3 B to limit, avoid being configured at the cable cable of turning back in partial configuration portion 557 to turn back part FCa axially to rock etc. and to misplace, therefore, it is possible to the part FCa that turned back by cable in cable return portion point configuration section 557 is held in desired bending shape at rotor 300.
Therefore, restriction projection 370 can be utilized to carry out limiting avoiding the cable part FCa that turns back to deform in cable return portion point configuration section 557, therefore, it is possible to stop the inner FCi of flat cable FC to misplace, can make cable winding part FCs that volume does not occur in being collected in winding manner space S and disorderly reliably be accommodated reeling condition.
In addition, in the rotary connector 1000 in the past such as shown in Figure 11, to turn back the contact area that part FCa contacts from the guide tab holding section 460 turning to axial below Dd to guide with the part FCa that turns back to this cable to increase cable, needing the structure of the structure etc. that flat cable FCa2 turns back twice being turned back repeatedly by flat cable FC in cable return portion point configuration section 5570.
In addition, Figure 11 is the key diagram of the structure that the rotary connector 1000 in the past corresponding with Fig. 5 is described.
Relative to this, the rotary connector 1 of present embodiment is except utilizing guide tab holding section 460 from turning to axial below Dd to turn back to cable except part FCa guides in cable return portion point configuration section 557, and the part limiting unit 371 of particularly turning back of restriction projection 370 can also be utilized as shown in Figure 5 also to guide from turning to axial top Du as Fig. 3 B, therefore, form cable to turn back part FCa even if do not turned back repeatedly by flat cable FC, also the part FCa that cable can be turned back is limited to the MIN number of times i.e. number of turns for direction conversion.
Therefore, when assembling rotary connector, the special instrument for turning back without the need to spended time in the operation of turning back of flat cable FC or preparation, therefore, it is possible to realize the installation time of rotary connector 1 and the minimizing of assembly cost.
Further, by by the number of turns of flat cable FC from repeatedly reducing to once, thus the use amount of flat cable FC can be reduced, therefore, it is possible to realize the reduction of lightweight and cost.
In addition, because rotary connector 1000 does not in the past form restriction projection 370 (with reference to Figure 10) in rotor-side extension guide portion 3560 as described above, therefore cannot the cable extension FCc being configured at cable extension configuration space portion 556A be guided.
Like this, also there is such possibility: vibration occurs vehicle waits and cable extension FCc is misplaced at cable extension configuration space portion 556A, tension force is applied to the connecting portion that conductor and terminal plate 452 couple together that exposes of the end by cable extension FCc, stable electric reliability cannot be guaranteed.
Relative to this, rotary connector 1 according to the present embodiment, as mentioned above, above-mentioned part limiting unit 371 of turning back not only is possessed in restriction projection 370, also possess extension limiting unit 372, described extension limiting unit 372 abuts with cable extension FCc and limits this cable extension FCc.
Extension limiting unit 372 and connector side extension guide portion 456 can be utilized reliably to limit cable extension FCc together do not misplace.
Thus, because cable extension FCc misplaces, therefore load is not applied to the connecting portion that conductor is connected with terminal plate 452 that exposes of side FCi in flat cable FC, thus the conductor of the end side of flat cable FC can be held in reliably with the state of connector end sub-connection.
In addition, rotary connector 1 according to the present embodiment, as mentioned above, guide tab portion 455 is had from the base portion of connector body 451 is extended, guide tab portion 455 possesses the guide tab holding section 460 engaged with inner cylinder member 330, therefore, as shown in Figure 8, the engaging tab 461 on guide tab holding section 460 can be engaged with the engaged part 361 being formed at inner cylinder member 330.Thereby, it is possible to connector body 451 to be held in the state being reliably plugged in connector shell 341.
And, to engage with engaged part 361 making engaging tab 461 and under the state that pressing tab 462 is abutted with pressing tab support 362, engaging tab 461 and press tab 462 and can all engage with the bottom dividing the mode of configuration space 557A and rotor-side to turn back part guide portion 357 across cable return portion in a thickness direction.Thereby, it is possible to reliably guide (with reference to Fig. 3 B and Fig. 8) being configured at the cable cable of the partial configuration space 557A part FCa that turns back that turns back from downside.
Therefore, make engaging tab 461 and engaged part 361 respectively and press tab 462 to engage with the engaging form of dividing FCa such across cable return portion in a thickness direction with pressing tab support 362, therefore, it is possible to be together reliably restricted to axially not misplacing in steering spindle by being configured at the cable cable in the partial configuration portion 557 part FCa that turns back that turns back with restriction projection 370.
And, rotary connector 1 according to the present embodiment, as shown in figures 7 and 9, possess from the outstanding tubular excrescence 335 of this inner cylinder member 330 in inner cylinder member 330, be configured with the engaging position 361,362 relative to inner cylinder member 330 of guide tab holding section 460 at the installation position 330u installing tubular excrescence 335 relative to inner cylinder member 330.
Specifically, to engage and under the state that tubular excrescence 335 is installed on inner cylinder member 330, the upper surface of tubular excrescence 335 abuts with the bottom 330u of inner cylinder member 330 tubular excrescence engagement pawl 380 and tubular excrescence being engaged tab 480.
And, as shown in Figure 9, the rotary connector 1 of present embodiment is configured to: the pressing tab support 362 of the engaged part 361 being in the engaging position of engaging tab 461 and the abutting portion being in pressing tab 462 is positioned at the bottom 330u of such inner cylinder member 330.Therefore, under the state that tubular excrescence 335 is installed on inner cylinder member 330, tubular excrescence 335 can be utilized to cover the engaging position of engaging tab 461 and engaged part 361 and press tab 462 and the abutting portion (the tubular excrescence 335 shown in the imaginary line in reference Fig. 9) pressing tab support 362.
Therefore, in order to avoid engaging tab 461 and engaged part 361 fastening state and press tab 462 and unexpectedly removed with the state that abuts pressing tab support 362, guide tab holding section 460 can be held in the state engaged securely with inner cylinder member 330, therefore, it is possible to connector plug component 442 to be held in the state being reliably plugged in connector shell 341.
In addition, rotary connector 1 according to the present embodiment, end 557a due to the interconnecting part 557Aa side be communicated with accommodation space S as described above in cable return portion point configuration section 557 is configured with and presses tab 462 and press tab support 362 (partial enlarged drawing in reference Fig. 4 B and Fig. 8), make to be configured in the turn back cable in partial configuration portion 557 of cable to turn back the connected component FCas be communicated with cable winding part FCs axially not misplacing in steering spindle before being about to export to accommodation space S of part FCa therefore, it is possible to guide into.
Therefore, it is possible to the volume of the cable winding part FCs reliably preventing the dislocation of turning back part FCa with cable from accompanying disorderly, cable winding part FCs can be configured to the state reeled in accommodation space S.
Structure of the present utility model and embodiment corresponding in, top board of the present utility model corresponds to the top plate portion 320 of embodiment, below similarly, connector body corresponds to connector body portion 451, limiting member (restriction protrusion tab) corresponds to restriction projection 370, fastened component corresponds to guide tab holding section 460, namely tab 461 and engaged part 361 is engaged, and at least one party pressed in tab 462 and pressing tab support 362, connector inside turn back that interconnecting part that partial configuration portion is communicated with corresponds to cable extension configuration space 556A with cable to turn back the interconnecting part 556Aa that partial configuration space 557A is communicated with cable, the turn back end of the interconnecting part side be communicated with described accommodation space in partial configuration portion of described cable corresponds to the end 557a of interconnecting part 557Aa side, the lower end 330u of installation position corresponding to inner cylinder member 330 of described tubular excrescence is installed relative to described inner cylinder member.
The utility model is not limited only to the structure of above-mentioned embodiment, can also apply, can obtain many embodiments according to the technological thought shown in claim.
Such as, it is the flat cable FC of a group that rotary connector 1 is not limited to possess such two, also can possess the one group of flat cable FC making many of more than three to coincide with one another, in addition, also can possess a slice flat cable FC.
In addition, the terminal plate configuration section 451A of the quantity that the radical of the flat cable FC that connector body portion 451 can configure to rotary connector 1 possesses is corresponding.
Claims (5)
1. a rotary connector, it is made up of stators and rotators, described rotor concentrically rotates relative to this stator and steering spindle, the inside of described rotary connector possesses the accommodation space of being collected in winding manner flat cable, and stator side and rotor-side are electrically connected by described flat cable, and, described rotor possesses rotor-side connector, described rotor-side connector allows to connect outside connection the other side side terminal, it is characterized in that
Described rotor is made up of top board and inner cylinder member,
Described rotor-side connector arranges from a part for the circumference of described top board is outstanding, and is made up of connector shell and the connector body that can insert in this connector shell,
Described rotary connector is configured with and in described inner cylinder member, configures cable that cable return portion divides to turn back partial configuration portion, described cable turn back part be bent into can on the length direction of flat cable, change wiring direction between the cable winding part that is wound in described accommodation space and the cable extension stretched out from described connector body
Be formed with limiting member turning back on interconnecting part that partial configuration portion is communicated with described cable of described connector inside, described limiting member part of being turned back by described cable is limited in described cable and turns back partial configuration portion.
2. rotary connector according to claim 1, is characterized in that,
Have guide tab portion the base portion of described connector body is extended, described guide tab portion divides described cable extension and cable return portion and guides,
Described guide tab portion and described inner cylinder member are formed with fastened component, and described fastened component makes described guide tab portion engage with described inner cylinder member.
3. rotary connector according to claim 2, is characterized in that,
Described inner cylinder member possess from the outstanding tubular excrescence of this inner cylinder member,
Described fastened component is configured with in the installation position of installing described tubular excrescence relative to described inner cylinder member.
4. rotary connector according to claim 2, is characterized in that,
Described fastened component is configured with in the turn back end of the interconnecting part side be communicated with described accommodation space in partial configuration portion of described cable.
5. the rotary connector according to any one in claim 2 to 4, is characterized in that,
Described limiting member towards described cable turn back partial configuration portion give prominence to, and by restriction protrusion tab formed, described restriction protrusion tab protrudes and together can guide the described cable extension being configured at described interconnecting part with described guide tab portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP2013-250075 | 2013-12-03 | ||
| JP2013250075A JP5871438B2 (en) | 2013-12-03 | 2013-12-03 | Rotating connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304183U true CN204304183U (en) | 2015-04-29 |
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ID=53109697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420750147.8U Active CN204304183U (en) | 2013-12-03 | 2014-12-03 | Rotary connector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5871438B2 (en) |
| CN (1) | CN204304183U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017538A (en) * | 2016-01-28 | 2017-08-04 | 阿尔卑斯电气株式会社 | Rotary connector |
| CN107342518A (en) * | 2016-04-28 | 2017-11-10 | 阿尔卑斯电气株式会社 | Rotary connector |
| CN109075516A (en) * | 2016-05-31 | 2018-12-21 | 阿尔卑斯电气株式会社 | Rotary connector |
| CN112753140A (en) * | 2018-10-17 | 2021-05-04 | 古河电气工业株式会社 | Rotary connector device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7129360B2 (en) * | 2019-03-05 | 2022-09-01 | 古河電気工業株式会社 | rotating connector |
| CN113439370B (en) * | 2019-02-21 | 2023-12-08 | 古河电气工业株式会社 | Rotary connector device |
| JP7222752B2 (en) * | 2019-02-21 | 2023-02-15 | 古河電気工業株式会社 | Rotating connector device |
| JP7129358B2 (en) * | 2019-02-21 | 2022-09-01 | 古河電気工業株式会社 | Rotating connector device |
| EP4131672A4 (en) * | 2020-03-31 | 2023-09-20 | Furukawa Electric Co., Ltd. | Rotating connector device |
| CN117813734A (en) | 2021-09-03 | 2024-04-02 | 古河电气工业株式会社 | Lead block and rotary connector device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0454714Y2 (en) * | 1988-05-23 | 1992-12-22 | ||
| JP2575481Y2 (en) * | 1991-08-21 | 1998-06-25 | 古河電気工業株式会社 | Fixing structure of flat cable connection part in rotary connector |
| JPH08185950A (en) * | 1995-01-05 | 1996-07-16 | Yazaki Corp | Fixing structure of flat cable to cylindrical rotator |
| JPH10189197A (en) * | 1996-12-25 | 1998-07-21 | Nippon Plast Co Ltd | Reel device for cable |
| JP5041449B2 (en) * | 2010-11-19 | 2012-10-03 | 古河電気工業株式会社 | Rotating connector device |
-
2013
- 2013-12-03 JP JP2013250075A patent/JP5871438B2/en active Active
-
2014
- 2014-12-03 CN CN201420750147.8U patent/CN204304183U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017538A (en) * | 2016-01-28 | 2017-08-04 | 阿尔卑斯电气株式会社 | Rotary connector |
| CN107017538B (en) * | 2016-01-28 | 2019-11-08 | 阿尔卑斯阿尔派株式会社 | Rotary connector |
| CN107342518A (en) * | 2016-04-28 | 2017-11-10 | 阿尔卑斯电气株式会社 | Rotary connector |
| CN107342518B (en) * | 2016-04-28 | 2020-06-16 | 阿尔卑斯阿尔派株式会社 | Rotary connector |
| CN109075516A (en) * | 2016-05-31 | 2018-12-21 | 阿尔卑斯电气株式会社 | Rotary connector |
| CN109075516B (en) * | 2016-05-31 | 2020-05-01 | 阿尔卑斯阿尔派株式会社 | Rotary connector |
| CN112753140A (en) * | 2018-10-17 | 2021-05-04 | 古河电气工业株式会社 | Rotary connector device |
| US11394162B2 (en) | 2018-10-17 | 2022-07-19 | Furukawa Electric Co., Ltd. | Rotary connector device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015109144A (en) | 2015-06-11 |
| JP5871438B2 (en) | 2016-03-01 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |