JP2007261555A - Toe angle / camber angle variable device and drive device using the device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a toe-in angle/camber angle variable device for use in changing a toe-in angle/camber angle of a wheel through an actuator. <P>SOLUTION: A toe-in angle/camber angle variable device 1 for changing a toe-in angle and a camber angle of a wheel 12 is characterized in that the same comprises a vehicle body side supporting member 2 connected to a vehicle body 20, a first turning member 5 turned in respect to the vehicle body side supporting member 2, a first actuator 3 for turning the first turning member 5, a second turning member 8 connected to the first turning member 5 and turned in respect to a second shaft B separate from a turning first shaft A of the first turning member 5, and a second actuator 6 for turning the second turning member 8. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a toe angle / camber angle varying device that can easily change a toe angle / camber angle of a wheel even during traveling, and a drive device applied to the toe angle / camber angle varying device.

Conventionally, as shown in FIG. 27, in order to be able to control camber and toe individually for each wheel by an actuator, a ball joint 33 that supports an axle 32 that supports the wheel at one point with respect to the vehicle body, First and second actuators 34 for supporting two points in the longitudinal direction of the vehicle that are above and below the support point by the ball joint 33 in the axle 32 and that individually displace these two support points in the vehicle width direction. , 35 and the two support points are relatively displaced in the vehicle width direction to change the wheel toe and / or the two support points are displaced in the same direction in the vehicle width direction. Some have control means for controlling the first and second actuators 34 and 35 so as to change the camber of the wheel (Patent Document 1).
JP 2004-122932 A

  However, since the toe angle and the camber angle are changed by adding an actuator that expands and contracts with respect to the wheel in the invention of Patent Document 1, a large space is required, the weight is increased, and the actuator is applied to the drive wheel. In this case, the toe angle and the camber angle cannot be changed greatly.

  The present invention solves the above-described problem, and is a simple and compact toe angle / camber angle varying device that changes the toe angle and camber angle of a wheel with an actuator, and when applied to a drive wheel. Another object of the present invention is to provide a toe angle / camber angle varying device capable of greatly changing the toe angle and the camber angle and a drive device applied to the toe angle / camber angle varying device.

  To this end, the present invention provides a vehicle body side support member coupled to a vehicle body and a first rotation that rotates relative to the vehicle body side support member in a toe angle / camber angle varying device that changes a toe angle and a camber angle of a wheel. A moving member, a first actuator that rotates the first rotating member, and a second axis that is connected to the first rotating member and is different from the first axis that the first rotating member rotates. A second rotating member that rotates relative to the second rotating member and a second actuator that rotates the second rotating member are provided.

  Further, the first axis and the second axis are arranged perpendicularly.

  Further, the first axis and the second axis intersect each other.

  Further, the second rotating member is arranged in a space in the wheel.

  Further, the first shaft is disposed at the center of rotation of the wheel, and the second shaft is disposed at the center in the wheel width direction.

  Further, the first rotating member is arranged in a wheel space.

  Further, the first axis is arranged in a substantially vertical direction.

  Further, the driving device uses the toe angle / camber angle varying device, and the driving device includes a stator fixed to the second rotating member, and a rotor fixed to the wheel or integrated with the wheel. And having driving means for driving the wheels.

  Further, the driving device uses the toe angle / camber angle varying device, wherein the driving device is provided with driving means fixed to the second rotating member and having a wheel shaft as an output shaft. .

  Further, the drive device uses the toe angle / camber angle varying device, wherein the drive device has an output shaft disposed on a shaft on which the second rotation member rotates, and the output shaft. A first bevel gear that rotates and transmits a driving force from the driving means, and a second bevel gear that rotates together with the wheel shaft and transmits a driving force from the first bevel gear to the wheel. It is characterized by that.

  Further, the driving device uses the toe angle / camber angle varying device, wherein the driving device includes a driving means disposed on a vehicle body side and a rotation of the first rotating member inside the cylindrical vehicle body support member. A vehicle body side transmission shaft disposed on a moving shaft, a vehicle body side bevel gear that rotates together with the output shaft and transmits a driving force from the drive means, and a rotation shaft of the second rotation member A first bevel gear that rotates with the drive bevel gear, and a second bevel gear that rotates with the wheel shaft and transmits the drive force from the first bevel gear to the wheel. And.

  Thereby, the present invention can change the toe angle and the camber angle in a simple and compact manner. Further, when the toe angle and the camber angle are changed around the intersection of the first axis that is the axis of rotation of the wheel and the second axis that is the center line in the width direction of the wheel, the accuracy is increased. Also, when applied to driving wheels such as an in-wheel motor, the toe angle and the camber angle can be greatly changed. Further, since it can be operated by a small actuator such as a motor, it is more compact than a hydraulic actuator. In addition, by disposing the first axis in a substantially vertical direction, the degree of freedom in setting the toe / camber of the wheel is increased.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram of a first embodiment to which a toe angle / camber angle varying device 1 is applied. The first embodiment is applied to a form having no driving means, for example, a driven wheel. In FIG. 1, 1 is a toe angle / camber angle varying device, 2 is a vehicle body side support member, 2a is a vehicle body side mounting portion, 3 is a first actuator, 4 is a first bearing, 5 is a first rotating member, The second actuator, 7 is a second bearing, 8 is a second rotating member, 9 is a third bearing, 10 is a rotating shaft member, 11 is a fourth bearing, 12 is a wheel, 12a is a wheel shaft, 13 is a tire, 20 is a vehicle body, 21 is a suspension device, A is a first shaft, B is a second shaft, and S is a space inside the wheel.

  In the present embodiment, the toe angle / camber angle varying apparatus 1 includes a vehicle body side support member 2, a first actuator 3, a first bearing 4, a first rotating member 5, a second actuator 6, a second bearing 7, and a second. A vehicle body side member having a rotation member 8, a third bearing 9, a rotation shaft member 10, and a fourth bearing 11, one of which is a vehicle body side mounting portion 2 a of the vehicle body side support member 2 and coupled to the vehicle body 20. It is supported by the suspension device 21 and connected to the wheel shaft 12a of the wheel 12 on the other hand.

  The vehicle body side support member 2 is a member in which a portion where the first actuator 3 is installed is a cylinder or a rod having a circular cross section, and one end of the suspension device 21 is a vehicle body side member coupled to the vehicle body 20 by a vehicle body side mounting portion 2a. The first rotation member 5 is provided as a first axis A which is connected to the first rotation member 5 via the first bearing 4 via the first bearing 4 at the other end and overlaps the center line of the wheel shaft 12a. This is the rotation axis.

  As shown in FIG. 2, the first rotating member 5 includes a vehicle body side support portion 51, a connection portion 52 extending from the vehicle body side support portion 51, and a second rotation connected to the vehicle body side support portion 51 by the connection portion 52. And a moving member support portion 53.

  The vehicle body side support portion 51 is a cylindrical portion, and is connected to the outer periphery of the vehicle body side support member 2 via the first bearing 4 with the built-in first actuator 3, and a bearing or the like is prevented from coming off at one end. The vehicle body side flange 51a is provided. Two connecting portions 52 extend radially outwardly from the outer periphery of the other end of the vehicle body side support portion 51, and extend at a step portion 52a so as to be bent at a substantially right angle to the side opposite to the vehicle body side support portion 51. It is. The second rotation member support portion 53 is a portion that supports the second rotation member 8 so as to rotate by two substantially disk-shaped portions respectively connected to the two connection portions 52. Specifically, the second actuator support 53a is provided at the center of the circular plane, the second rotating member side flange 53b is provided at the peripheral end, and the second actuator 6 is installed on the outer periphery of the second actuator support 53a. The 2nd bearing 7 is installed in the inner periphery of the 2nd rotation member side flange 53b, the 2nd rotation member 8 is arrange | positioned between the 2nd actuator 6 and the 2nd bearing 7, and it connects so that it may rotate.

  In addition, the connection part 52 of the 1st rotation member 5 does not provide the step part 52a, and is good also as linear form.

  Further, the second actuator 6 and the second actuator support portion 52a may be provided on each of the two second rotating member support portions 53, or may be provided on one side.

  Further, in FIG. 2, the connecting portion 52 is formed in an arm shape with an emphasis on weight reduction, but in order to enhance rigidity, the connecting portion 52 has a cylindrical shape with or without a step portion in addition to the vehicle body side support portion 51. But you can.

  Further, when connecting the first rotation member 5 and the vehicle body support member 2, the first rotation member 5 is connected to the inner periphery of the vehicle body support member 2 via the first actuator 3 and the first bearing 4. Also good.

  Moreover, you may arrange | position the 1st rotation member 5 so that all may fit in the space S in a wheel.

  As shown in FIG. 3, the second rotating member 8 includes a wheel-side support portion 81, a connecting portion 82 that extends from the wheel-side support portion 81, and a first connection that is connected to the wheel-side support portion 81 by the connecting portion 82. The moving member support portion 83 is arranged in the in-wheel space S.

  The wheel-side support portion 81 is a cylindrical portion, is connected to the outer periphery of the wheel shaft 12a via the third bearing 9, and has a wheel-side flange 81a that prevents the bearing or the like from coming off at one end. Two connecting portions 82 extend from the outer periphery on the other end side of the wheel side support portion 81 in the radially outward opposite direction, and extend at a stepped portion 82a so as to bend and extend at a substantially right angle to the side opposite to the vehicle body side support portion 81. It is. The second rotating member support portion 83 is a portion that is connected to the first rotating member 5 by two substantially cylindrical portions respectively connected to the two connecting portions 82. Specifically, it has a stepped cylindrical shape, and one of the cylindrical portions is a first rotating member side flange 83a engaged between the second actuator 6 and the second bearing 7, and the other is a rotating shaft. It is a rotation shaft member side flange 83b including a fourth bearing 11 for supporting the member 10.

  In addition, the connection part 82 of the 2nd rotation member 8 is good also as a linear form, without providing the step part 82a.

  Further, in FIG. 3, the connecting portion 82 is made into an arm shape with an emphasis on weight reduction, but in order to reinforce the rigidity, the connecting portion 82 has a cylindrical shape with or without a step portion in addition to the wheel side support portion 81. But you can.

  Moreover, the structure of the connection part of the 1st rotation member 5 and the 2nd rotation member 8 may be reversed, and the 1st rotation member 5 may be arrange | positioned inside and the 2nd rotation member 8 may be arrange | positioned outside.

  Further, as a structure of the connecting portion between the wheel shaft 12 a and the second rotating member 8, the wheel shaft 12 a may be cylindrical and the second rotating member 8 may be connected to the inner periphery via the third bearing 9. Good.

  The rotation shaft member 10 is supported by the rotation shaft member side flange 83b of the second rotation member 8 via the fourth bearing 11, and the second rotation member serves as the second axis B at the center in the vehicle width direction. 8 rotation axes. The rotation shaft member 10 may penetrate the second rotation member 8 and be integrated with the first rotation member 5, or may be integrated with the second rotation member and be connected to the first via a bearing (not shown). It is good also as a structure which supports the rotation member 5 by penetrating.

  Next, the operation of the toe angle / camber angle varying device 1 will be described. The toe angle / camber angle varying device 1 is operated by a first actuator 3 and a second actuator 6. First, when the first actuator 3 is actuated, the first rotation member 5, the second rotation member 8, and the rotation shaft member 10 rotate about the center line of the vehicle body side support member 2 that is the first axis A. To do. Next, when the second actuator 6 is actuated, the second rotating member 8 rotates about the center line of the second actuator support portion 5 f that is the second axis B and the rotating shaft member 10. That is, the inclination direction of the wheel 12 is determined by the operation of the first actuator 3, and the wheel 12 is inclined by the operation of the second actuator 6.

  FIG. 4 is a plan view of the wheel 12 as viewed from above, and shows a state in which the toe angle is changed. By the operation of the first actuator 3, the rotation shaft member 10 faces the vertical direction, and the toe angle can be changed by operating the second actuator 6 in this state.

  FIG. 5 is a front view of the wheel 12 as viewed from the front, and shows a state where the camber angle is changed. By the operation of the first actuator 3, the rotating shaft member 10 faces the horizontal direction, and the camber angle can be changed by operating the second actuator 6 in this state.

  Further, by operating the first actuator 3 and operating the second actuator 6 with the rotating shaft member 10 tilted, both the toe angle and the camber angle can be changed.

  FIG. 6 shows a diagram of a second embodiment in which the drive device 30 is applied to the toe angle / camber angle varying device 1. In the second embodiment, an outer rotor type of an in-wheel motor is used as the driving means 31. In FIG. 6, 30 is a driving device, 31 is a driving means, 31a is a stator, 31b is a roller, and the components of the toe angle camber angle varying device 1 are the same as those in the first embodiment of FIG. .

  The driving means 31 includes a stator 31a and a rotor 31b. The stator 31a is fixed to the step portion 8d of the second rotating member 8 and the wheel side flange 8c. The rotor 31b is also used as the wheel 12.

  With such a structure, in addition to the operation of the toe-camber variable device 1, the wheel 12 can be directly driven by the driving means 31.

  FIG. 7 shows a third embodiment in which the drive device 30 is applied to the toe angle / camber angle varying device 1. In the third embodiment, the driving means 31 is used while being fixed to the inside of the step portion 8 d of the second rotating member 8. In FIG. 7, 30 is a driving device, 31 is a driving means, 32 is an output shaft, and the components of the toe angle camber angle varying device 1 are the same as those in the first embodiment of FIG.

  The driving means 31 is fixed to the inside of the step portion 8d of the second rotating member 8, and the wheel 12 can be driven by directly connecting the output shaft 32 to the wheel shaft 12a. The output shaft 32 and the wheel shaft 12a of the driving means 31 may be integrated or separated.

  FIG. 8 shows a diagram of a fourth embodiment in which the driving device 30 is applied to the toe angle / camber angle varying device 1. The fourth embodiment is a form in which the drive device 31 is fixed to the first rotating member 5 and used. In FIG. 8, 30 is a drive device, 31 is a drive means, 32 is an output shaft, 40 is a drive force transmission means, 41 is a first bevel gear, 42 is a second bevel gear, and a toe angle camber angle varying device The components 1 are the same as those in the first embodiment shown in FIG.

  The driving means 31 is fixed to the outside of the first rotating member 5. The output shaft 32 is directly connected to the rotating shaft member 10, and a first bevel gear 41 is fixed to the rotating shaft member 10. A second bevel gear 42 is fixed to the wheel shaft 12b. The teeth of the first bevel gear 41 and the second bevel gear 42 are engaged with each other.

  With this structure, the driving force generated by the driving means 31 is transmitted from the rotary shaft member 10 via the output shaft 32 to the wheel shaft 12a via the first bevel gear 41 and the second bevel gear 42. And the wheel 12 is rotated.

  FIG. 9 is a diagram of a fifth embodiment in which the drive device 30 is applied to the toe angle / camber angle varying device 1. In the fifth embodiment, a driving unit 31 (not shown) is arranged on the vehicle body 20 and used. In FIG. 9, 30 is a driving device, 13 is a vehicle body side bearing, 40 is a driving force transmission means, 41 is a first bevel gear, 42 is a second bevel gear, 43 is a vehicle body side transmission shaft, and 44 is a vehicle body side. This is a toothed gear, and the other components are the same as those in the first embodiment shown in FIG.

  The vehicle body side transmission shaft 43 is supported by the vehicle body side support shaft 2 via the vehicle body side bearing 13. The vehicle body side bevel gear 44 is fixed to the vehicle body side transmission shaft 43 and meshed with the first bevel gear 41. Further, the teeth of the first bevel gear 41 and the second bevel gear 42 are meshed. The driving means 31 may be directly fixed to the vehicle body or may be indirectly fixed.

  With such a structure, the driving force generated from the driving means 31 is transmitted directly or indirectly from the output shaft of the driving means (not shown) to the vehicle body side transmission shaft 43 and fixed to the vehicle body side transmission shaft 43. The transmission is transmitted from the side bevel gear 44 to the first bevel gear 41 fixed to the rotating shaft member 10 and from the first bevel gear 41 to the second bevel gear 42 fixed to the wheel shaft 12b. It is transmitted from the wheel shaft 12 a to the wheel 12.

  FIG. 10 shows a sixth embodiment of the toe angle / camber angle varying device 1 having a structure in which the first axis A is inclined. In this embodiment, the wheel side of the vehicle body side support member 2 is inclined so as to be higher than the vehicle body side. Further, the vehicle body side support portion 51 and the connecting portion 52 of the first rotation member 5 are structured to match the inclination angle of the vehicle body side support member 2. With such a structure, when the first rotating member 5 rotates around the first axis A, the second rotating member 8 and the wheel 12 rotate in an inclined state. The toe angle and the camber angle of the wheel 12 can be changed only by the rotation of the rotating member 5.

  In this embodiment, the wheel side of the vehicle body side support member 2 is inclined so as to be higher than the vehicle body side, but the vehicle body side may be inclined so as to be higher than the wheel side. Moreover, the vehicle body side support member 2 may incline the wheel side forward from the vehicle body side, or may incline the vehicle body side forward from the wheel side. At this time, the vehicle body side support portion 51 and the connecting portion 52 of the first rotating member 5 are structured according to the inclination angle of the vehicle body side support member 2.

  FIG. 11 shows a seventh embodiment of the toe angle / camber angle varying device 1 having a structure in which the second axis B is inclined with respect to the direction perpendicular to the first axis A. FIG. In this embodiment, the second rotating member support portion 53 of the first rotating member 5, the connecting portion 82 of the second rotating member 8, and the first rotating member support portion 83 are arranged in the direction perpendicular to the first axis A. And tilt. As a result, the rotation shaft member 10 is also inclined. With this structure, when the second rotating member 8 rotates around the second axis B, that is, the rotating shaft member 10, the wheel 12 rotates in an inclined state. The toe angle and camber angle of the wheel 12 can be changed only by rotating the moving member 8.

  FIG. 12 shows an eighth embodiment of the toe angle / camber angle varying device 1 having a structure in which the first axis A is inclined and the second axis B is inclined in the direction perpendicular to the first axis A. In this embodiment, the wheel side of the vehicle body side support member 2 is inclined so as to be higher than the vehicle body side. Further, the connecting portion 82 and the first rotating member support portion 83 of the second rotating member 8 are inclined in the direction perpendicular to the first axis A.

  With such a structure, when the first rotating member 5 rotates around the first axis A, the second rotating member 8 and the wheel 12 rotate in an inclined state. The toe angle and the camber angle of the wheel 12 can be changed only by the rotation of the rotating member 5. Further, when the second rotating member 8 rotates around the second axis B, that is, the rotating shaft member 10, the wheel 12 rotates in an inclined state, and only the second rotating member 8 rotates. Thus, the toe angle and camber angle of the wheel 12 can be changed.

  In this embodiment, the wheel side of the vehicle body side support member 2 is inclined so as to be higher than the vehicle body side, but the vehicle body side may be inclined so as to be higher than the wheel side. Moreover, the vehicle body side support member 2 may incline the wheel side forward from the vehicle body side, or may incline the vehicle body side forward from the wheel side. At this time, the first rotation member support portion 83 and the connecting portion 82 of the second rotation member 8 are structured according to the inclination angle of the vehicle body side support member 2.

  FIG. 13 shows a ninth embodiment of the toe angle / camber angle varying device 1 having a structure in which the first axis A and the second axis B do not intersect. 13A is a view of the toe angle / camber angle varying device 1 as viewed from the rear, and FIG. 13B is a cross-sectional view of the center line in the wheel width direction of the toe angle / camber angle varying device 1 on the vehicle body side. It is the figure which displayed the vehicle body side support part 51 of the support member 2 and the 1st rotation member 5 in piles. In this embodiment, the vehicle body side support member 2 is arranged to be shifted forward from the wheel shaft 12a. With such a structure, when the first rotating member 5 rotates around the first axis A, the second rotating member 8 and the wheel 12 rotate about the first axis A. The vehicle height can be changed by the rotation of the first rotation member 5.

  In this embodiment, the vehicle body side support member 2 is arranged to be shifted forward from the wheel shaft 12a. However, the vehicle body side support member 2 may be arranged to be shifted rearward from the wheel shaft 12a. Further, the vehicle body side support member 2 may be arranged so as to be shifted upward or downward from the wheel shaft 12a. At this time, the connecting portion 52 of the first rotating member 5 has a structure that matches the arrangement position of the vehicle body side support member 2.

  FIG. 14 shows a tenth embodiment of the toe angle / camber angle varying device 1 having a structure in which the second axis B and the center line in the width direction of the wheel are shifted. In this embodiment, the toe angle / camber angle varying device 1 is arranged outside the in-wheel space S by elongating the wheel shaft 12a. By adopting such a structure, maintenance can be easily performed.

  The first axis A may not be in the horizontal direction, and the second axis B may not be in the vertical direction. Further, the first axis A and the second axis B may not be perpendicular, and the first axis A and the second axis B may not intersect. Furthermore, the first axis A and the wheel axis 12a may not overlap, and the second axis B and the center line in the width direction of the wheel 12 may not overlap.

  Thus, in the present embodiment, the toe angle / camber angle can be changed simply and compactly. Further, since the toe angle and the camber angle can be changed around the intersection of the first axis A that is the axis of rotation of the wheel 12 and the second axis B that is the center line in the width direction of the wheel 12, the accuracy is increased. Furthermore, when applied to drive wheels, the toe angle and camber angle can be greatly changed. Further, since it can be operated by a small actuator such as a motor, it is more compact than a hydraulic actuator. Furthermore, by arranging the first axis A and the second axis B well, and rotating either the first rotating member 5 or the second rotating member 8, both the toe angle and the camber angle Can be changed. Further, the vehicle height can be changed by arranging the first axis A and the second axis B so as not to intersect each other.

  Next, various embodiments of the toe angle / camber angle varying device 1 having a structure in which the directions of the first axis A and the second axis B are changed will be described. FIG. 15 shows an eleventh embodiment of the toe angle / camber angle varying apparatus 1 having a structure in which the first axis A is arranged in a substantially vertical direction and the second axis B is arranged in a substantially horizontal direction. In the eleventh embodiment, the structures of the vehicle body side support member 2, the first rotating member 5, and the second rotating member 8 of the first embodiment are changed.

  As shown in FIG. 16, the vehicle body side support member 2 has a vehicle body side support portion 121 at one end supported by a suspension device 21 which is a vehicle body side member coupled to the vehicle body 20 by a vehicle body side mounting portion 2a, and a vehicle body side support member 2 at the other end. The connecting part 122 extends from the side support part 121, and the first turning member support part 123 is connected to the vehicle body side support part 121 by the connection part 122.

  The vehicle body side support portion 121 is a rod-shaped or cylindrical portion, and is supported on the vehicle body side at one end. Two connecting portions 122 extend from the outer periphery of the other end side of the vehicle body side support portion 121 in the radially opposite direction, and extend at a stepped portion 122a so as to be bent at a substantially right angle to the side opposite to the vehicle body side support portion 121. It is. The first rotation member support portion 123 is a portion that supports the first rotation member 5 so as to rotate by two substantially disk-shaped portions respectively connected to the two connection portions 122. Specifically, the first actuator support 123a is provided at the center of the circular plane, the first rotating member side flange 123b is provided at the peripheral end, and the first actuator 3 is installed on the outer periphery of the first actuator support 123a. The first bearing 4 is installed on the inner periphery of the first rotating member side flange 123b, and the first rotating member 5 is disposed between the first actuator 3 and the first bearing 4 so as to rotate.

  As shown in FIG. 17, the first rotating member 5 includes a second rotating member support portion 151, a connecting portion 152 that extends from the second rotating member support portion 151, and a connecting portion 152 that supports the second rotating member. The vehicle body side member support part 153 connected with the part 151 is arranged in the in-wheel space S.

  The second rotating member support portion 151 is a portion having a hole 151 a through which the shaft member 111 serving as the second axis B passes. The second rotating member 8 is incorporated in the second rotating member 8 via the second bearing 7. It is a part connected with the shaft member 111 so that it may rotate with respect to it. Two connecting portions 152 extend from the second rotating member support portion 151 in the opposite direction to the outside, and connect the second rotating member support portion 151 and the vehicle body side member support portion 153.

  The vehicle body side member support portion 153 is a portion that is connected to the vehicle body side support member 2 by two substantially cylindrical portions that are respectively connected to the two connection portions 152. Specifically, it has a stepped cylindrical shape, and one of the cylindrical portions is a vehicle body side support member side flange 153a engaged between the first actuator 3 and the first bearing 4, and the other is a rotating shaft member. 10 is a rotation shaft member-side flange 153 b that includes a fourth bearing 11 for supporting 10.

  As shown in FIG. 18, the second rotating member 8 includes a wheel side support portion 181, a connecting portion 182 extending from the wheel side support portion 181, and a second shaft connected to the wheel side support portion 181 by the connecting portion 182. It consists of a member support part 183 and is arranged in the in-wheel space S.

  The wheel side support portion 181 is a cylindrical portion and is connected to the outer periphery of the wheel shaft 12 a via the third bearing 9. Two connecting portions 182 extend radially outward from the outer periphery of the other end of the wheel side support portion 181, and extend at a step portion 182 a bent substantially at a right angle to the opposite side of the vehicle body side support portion 181. This is a portion for connecting the side support portion 181 and the second shaft member support portion 183. The second shaft member support portion 183 is two substantially disk-shaped portions respectively connected to the two connection portions 182 and is a portion that supports and supports the shaft member 111.

  The rotation shaft member 10 is supported by the rotation shaft member side flange 153 b of the first rotation member 5 via the fourth bearing 11, and the rotation axis of the first rotation member 5 is the first axis A. It has become. Note that the rotation shaft member 10 may penetrate the first rotation member 5 and be integrated with the vehicle body side support member 2, or may be integrated with the first rotation member 5 and through the bearing (not shown). It is good also as a structure which penetrates and supports the supporting member 2. FIG.

  Next, the operation of the toe angle / camber angle varying device 1 of the eleventh embodiment will be described. The toe angle / camber angle varying device 1 is operated by a first actuator 3 and a second actuator 6. First, when the first actuator 3 is operated, the first rotating member 5, the second rotating member 8, and the rotating shaft member 10 rotate around the center line of the first rotating member 5 that is the first axis A. Move. Next, when the second actuator 6 is actuated, the second rotation member 8 rotates about the center line of the shaft member 111 that is the second axis B. That is, the toe direction of the wheel 12 is determined by the operation of the first actuator 3, and the camber angle of the wheel 12 is determined by the operation of the second actuator 6.

  The first actuator 3 and the first actuator support portion 122a may be provided on each of the two first rotating member support portions 123, or may be provided on one side.

  In addition, in the eleventh embodiment, the connecting portion 122 is an arm shape with an emphasis on weight reduction. However, in order to enhance rigidity, the connecting portion 122 has a cylindrical shape with or without a step portion in addition to the vehicle body side support portion 121. It may be a thing.

  Moreover, you may arrange | position the 1st rotation member 5 so that all may fit in the space S in a wheel.

  Moreover, the structure of the connection part of the 1st rotation member 5 and the 2nd rotation member 8 may be reversed, and the 1st rotation member 5 may be arrange | positioned inside and the 2nd rotation member 8 may be arrange | positioned outside.

  Further, as a structure of the connecting portion between the wheel shaft 12 a and the second rotating member 8, the wheel shaft 12 a may be cylindrical and the second rotating member 8 may be connected to the inner periphery via the third bearing 9. Good.

  Next, in the twelfth embodiment shown in FIG. 19, when the first rotating member 5 and the vehicle body side support member 2 of the toe angle / camber angle varying device 1 shown in the eleventh embodiment are connected, The one rotating member 5 is connected to the outside opposite to the eleventh embodiment of the vehicle body side supporting member 2 via the first actuator 3 and the first bearing 4.

  In the twelfth embodiment, the first rotation member support portion 123 of the vehicle body side support member 2 is two substantially cylindrical portions respectively connected to the two connection portions 122 and is connected to the first rotation member 5. It is a part to do. Specifically, it has a stepped cylindrical shape, and one of the cylindrical portions is a vehicle body side support member side flange 123a engaged between the first actuator 3 and the first bearing 4, and the other is a rotating shaft member. 10 is a rotation shaft member side flange 123b that includes a fourth bearing 11 for supporting 10.

  Further, the vehicle body side member support portion 153 of the first rotation member 5 is two substantially disk-shaped portions respectively connected to the two connection portions 152, so that the first rotation member 5 is rotated. It is a portion supported by the side member 2. Specifically, the first actuator support portion 153a is provided at the center of the circular plane, the first rotation member side flange 153b is provided at the peripheral end, and the first actuator 3 is installed on the outer periphery of the first actuator support portion 153a. The first bearing 4 is installed on the inner periphery of the first rotating member side flange 153b, and the first rotating member 5 is disposed between the first actuator 3 and the first bearing 4 so as to rotate.

  Next, FIG. 20 shows a thirteenth embodiment of the toe angle / camber angle varying device 1 modified into a compact structure. 20A is a cross-sectional view of the first rotating member 5 of the toe angle / camber angle varying device 1, and FIG. 20B is a vehicle width direction at the wheel center of the toe angle / camber angle varying device 1. It is sectional drawing.

  As shown in FIG. 21, the vehicle body side support member 2 includes a vehicle body side support portion 221, a coupling portion 222, and a first rotating member support portion 223. The vehicle body side support portion 221 and the coupling portion 222 are shown in FIG. Although it is the same as that of 11th Embodiment shown, the 1st rotation member support part 223 does not use the 1st actuator support part 123a used in 11th Embodiment, and the 1st rotation member side of a peripheral end The first actuator 3 and the first bearing 4 are installed on the inner periphery of the flange 223b, and the first rotating member 5 is disposed inside the first actuator 3 and the first bearing 4 so as to rotate.

  As shown in FIG. 22, the first rotating member 5 includes a first rotating shaft portion 251 serving as a first axis A, a second rotating shaft portion 252 serving as a second shaft B, and a first rotating shaft portion 251. And a connecting portion 253 that connects the second rotating shaft portion 252.

  The first rotation shaft portion 251 is a rod-shaped or cylindrical portion that rotates with respect to the vehicle body side member 2 via the first actuator 3 and the first bearing 4. The second rotation shaft portion 252 is a rod-shaped or cylindrical portion, and is a portion that rotates with respect to the second rotation member 8 via the second actuator 6 and the second bearing 7. The connecting portion 253 is a portion that connects the first rotating shaft portion 251 and the second rotating shaft portion 252.

  The second rotating member 8 shown in FIG. 23 includes a wheel side support portion 281, a connecting portion 282, and a first rotating member support portion 283, and the wheel side support portion 281 and the connecting portion 282 are shown in FIG. 18. Although it is the same as that of 11th Embodiment, the 1st rotation member support part 283 does not use the 2nd actuator support part 183a used in 11th Embodiment, but the 1st rotation member side flange 283b of a peripheral end. The 2nd actuator 6 and the 2nd bearing 7 are installed in the inner circumference, and the 1st rotation member 5 is arranged inside the 2nd actuator 6 and the 2nd bearing 7, and it connects so that it may rotate.

  Next, the operation of the toe angle / camber angle varying device 1 of the thirteenth embodiment will be described. The toe angle / camber angle varying device 1 is operated by a first actuator 3 and a second actuator 6. First, when the first actuator 3 is operated, the first rotating member 5 and the second rotating member 8 are centered on the center line of the first rotating shaft portion 281 of the first rotating member 5 that is the first axis A. To turn. Next, when the second actuator 6 is operated, the second rotation member 8 rotates about the center line of the second rotation shaft portion 282 of the first rotation member 5 that is the second axis B. That is, the toe direction of the wheel 12 is determined by the operation of the first actuator 3, and the camber angle of the wheel 12 is determined by the operation of the second actuator 6.

  Next, the fourteenth embodiment shown in FIG. 24 changes the installation direction of the vehicle body side support member 2 and the first axis A of the toe angle / camber angle varying device 1 in the first embodiment to a substantially vertical direction, In order to expand the movable range of the wheel, the wheel shaft 12a is lengthened.

  In the fifteenth embodiment shown in FIG. 25, the driving device 30 and the driving force transmission means 40 of the fifth embodiment shown in FIG. 9 are applied to the toe angle / camber angle varying device 1 in the fourteenth embodiment. .

  A configuration in which the first axis A is mainly set as a toe axis in a substantially vertical direction as in the eleventh embodiment to the fifteenth embodiment is compared with other configurations.

  For example, in a configuration in which the first axis A is set substantially in the vehicle body width direction and the second axis B is set substantially perpendicular to the first axis A, the wheels are moved to a toe angle of 45 degrees, a camber angle of 45 degrees or a toe angle of 90 degrees and a camber angle of 45 degrees When the operation state of the wheel 12 is changed, and in the form in which the first axis A is set in the front-rear direction of the vehicle body and the second axis B is set in the substantially vertical direction, the operation of the wheel 12 is increased to a toe angle of 45 degrees and a camber angle of 45 degrees. When the state is changed, the actuator cannot be changed unless the actuators for the first axis A and the second axis B are operated at the same time.

  Further, in a configuration in which the first axis A is set in a substantially longitudinal direction of the vehicle body and the second axis B is set in a substantially vertical direction, a toe angle of 90 degrees and a camber angle of 45 degrees while maintaining a toe angle of 90 degrees. The operating state of the wheel 12 cannot be changed.

  As described above, by setting the first axis A mainly as the toe axis in the substantially vertical direction as in the eleventh embodiment to the fifteenth embodiment, the toe angle / camber angle of the wheel 12 compared to other forms. The degree of freedom of setting increases.

  In the sixteenth embodiment shown in FIG. 26, the installation direction of the vehicle body side support member 2 and the first axis A of the toe angle / camber angle varying device 1 in the fifteenth embodiment are inclined to further expand the movable range of the wheels. Is.

  Note that the present invention can be applied in various combinations of the toe angle / camber angle varying device described in the present embodiment and the drive device, and is limited to the above-described embodiment. However, various modifications can be made without departing from the spirit of the invention.

The figure which shows 1st Embodiment of this invention The figure which shows the 1st rotation member of 1st Embodiment. The figure which shows the 2nd rotation member of 1st Embodiment. Diagram showing change of toe angle Diagram showing change of camber angle The figure which shows 2nd Embodiment of this invention. The figure which shows 3rd Embodiment of this invention. The figure which shows 4th Embodiment of this invention. The figure which shows 5th Embodiment of this invention. The figure which shows 6th Embodiment of this invention. The figure which shows 7th Embodiment of this invention The figure which shows 8th Embodiment of this invention. The figure which shows 9th Embodiment of this invention The figure which shows 10th Embodiment of this invention. The figure which shows 11th Embodiment of this invention The figure which shows the vehicle body side supporting member of 11th Embodiment The figure which shows the 1st rotation member of 11th Embodiment. The figure which shows the 2nd rotation member of 11th Embodiment. The figure which shows 12th Embodiment of this invention. The figure which shows 13th Embodiment of this invention The figure which shows the vehicle body side supporting member of 13th Embodiment. The figure which shows the 1st rotation member of 13th Embodiment. The figure which shows the 2nd rotation member of 13th Embodiment. The figure which shows 14th Embodiment of this invention. The figure which shows 15th Embodiment of this invention. The figure which shows 16th Embodiment of this invention. Diagram showing conventional technology

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Toe angle and camber angle variable device, 2 ... Vehicle body side supporting member, 2a ... Vehicle body side attaching part, 3 ... First actuator, 4 ... First bearing, 5 ... First rotating member, 6 ... Second actuator, 7 ... 2nd bearing, 8 ... 2nd rotating member, 9 ... 3rd bearing, 10 ... rotating shaft member, 11 ... 4th bearing, 12 ... wheel, 12a ... wheel shaft, 13 ... tire, 20 ... vehicle body, DESCRIPTION OF SYMBOLS 21 ... Suspension apparatus, 30 ... Drive apparatus, 31 ... Drive means, 31a ... Stator, 31b ... Roller, 32 ... Output shaft, 40 ... Driving force transmission means, 41 ... First bevel gear, 42 ... Second bevel gear , 43 ... Vehicle body side transmission shaft, 44 ... Vehicle body side bevel gear, 51 ... Vehicle body side support part, 51a ... Car body side flange, 52 ... Connection part, 52a ... Step part, 53 ... Second rotating member support part, 53a ... Second actuator support, 53b Second rotating member side flange, 81... Wheel side supporting portion, 81 a... Wheel side flange, 82... Connecting portion, 82 a. , 83b... Rotating shaft member side flange, 111... Shaft member, 121... Car body side supporting portion, 122... Connecting portion, 122 a. 123b ... first turning member side flange, 151 ... second turning member support portion, 152 ... connection portion 153 ... vehicle body side member support portion, 181 ... wheel side support portion, 182 ... connection portion, 182a ... step portion, 183 ... second shaft member support part, 221 ... car body side support part, 222 ... connecting part, 222a ... step part, 223 ... first turning member support part, 223b ... first turning member side flange, 251 ... first time Moving shaft portion, 252... Second rotating shaft portion, 25 ... connecting part, 281 ... wheel side supporting part, 282 ... connecting part, 283 ... first rotating member supporting part, 283b ... first rotating member side flange, A ... first axis, B ... second axis, S ... Wheel space

Claims (11)

  In a toe angle / camber angle varying device that changes a toe angle and a camber angle of a wheel, a vehicle body side support member coupled to a vehicle body, a first rotation member that rotates relative to the vehicle body side support member, and the first A first actuator that rotates one rotating member, and a first actuator that is connected to the first rotating member and rotates about a second axis different from the first axis on which the first rotating member rotates. A toe angle / camber angle varying apparatus comprising: a second rotating member; and a second actuator for rotating the second rotating member.   The toe angle / camber angle varying device according to claim 1, wherein the first axis and the second axis are arranged vertically.   The toe angle / camber angle varying apparatus according to claim 1, wherein the first axis and the second axis intersect each other.   4. The toe angle / camber angle varying device according to claim 1, wherein the second rotating member is disposed in a space in a wheel. 5.   5. The toe angle / camber angle varying device according to claim 4, wherein the first shaft is disposed at a rotation center of a wheel, and the second shaft is disposed at a center in a wheel width direction.   6. The toe angle / camber angle varying device according to claim 1, wherein the first rotating member is disposed in a space in the wheel.   The toe angle / camber angle varying device according to claim 1, wherein the first shaft is arranged in a substantially vertical direction.   A driving device using the toe angle / camber angle varying device, wherein the driving device has a stator fixed to the second rotating member, and a rotor fixed to the wheel or integrated with the wheel. 8. A driving device using the toe angle / camber angle varying device according to claim 1, further comprising driving means for driving the wheel.   The drive device using the toe angle / camber angle varying device, wherein the drive device is provided with a drive unit fixed to the second rotating member and having a wheel shaft as an output shaft. A drive device using the toe angle / camber angle varying device according to any one of claims 1 to 7.   A driving device using the toe angle / camber angle varying device, wherein the driving device rotates an output shaft together with a driving means disposed on a rotating shaft of a second rotating member and the output shaft. A first bevel gear that transmits driving force from the driving means, and a second bevel gear that rotates together with the wheel shaft and transmits driving force from the first bevel gear to the wheel. A drive device using the toe angle / camber angle varying device according to any one of claims 1 to 7.   A driving device using the toe angle / camber angle varying device, wherein the driving device rotates a first rotating member inside a driving means disposed on a vehicle body side and the cylindrical vehicle body support member. A vehicle body side transmission shaft disposed on the shaft, a vehicle body side bevel gear that rotates together with the output shaft and transmits a driving force from the driving means, and a rotation shaft of the second rotation member. A first bevel gear to which a driving force is transmitted from the driving bevel gear, a second bevel gear that rotates together with the wheel shaft and transmits a driving force from the first bevel gear to the wheel, A drive device using the toe angle / camber angle varying device according to claim 1.

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