JP2023112530A - rectifier - Google Patents

Abstract

To disperse a load imparted on a rotating shaft from a rectifying body.SOLUTION: A rectifier is structured so that a supporters 22 support a stand 18 and the stand 18 is rotated to rotate a rectifying body 14, wherein an arm 60 of a support member 58 is supported on the supporters 22, a support shaft 64 of the support member 58 supports the rectifying body 14 to support the stand 18. Thereby, a load imparted on the stand 18 from the rectifying body 14 is distributed onto the supporters 22 and the support member 58.SELECTED DRAWING: Figure 7

Description

The present invention relates to a rectifier that suppresses airflow to the front wheels of a vehicle.

In the vehicular straightening device described in Patent Document 1 below, the actuator is driven, and the straightening member is rotated with the rotation axis as the rotation center axis. Further, the actuator is held by the frame, and the rotating shaft is supported by the frame.

Here, in such a vehicle rectifying device, it is preferable that the load acting on the rotating shaft from the rectifying member can be dispersed.

JP 2019-93785 A

SUMMARY OF THE INVENTION It is an object of the present invention to provide a rectifier that can disperse the load acting on a rotating shaft from a rectifier.

The straightening device of the first aspect of the present invention is rotated in the deployment direction to be deployed in front of the front wheels of the vehicle to suppress the airflow to the front wheels, and is rotated in the storage direction to be stored in the vehicle body. a rotating shaft serving as a rotation center axis of the rectifying body; a drive mechanism driven to rotate the rectifying body; and a support holding the drive mechanism and supporting the rotating shaft and a support member supported by the support and supporting the rotation shaft.

A rectifying device according to a second aspect of the present invention is the rectifying device according to the first aspect of the present invention, wherein the rotating shaft supports the straightening member outside the supporting member, and the support member supports the rotating shaft.

A rectifying device according to a third aspect of the present invention is the rectifying device according to the first aspect or the second aspect of the present invention, and is arranged outside between a position where the rotating shaft is supported by the support member and a position where the rotating shaft is supported by the support member. and a drive member for driving the rectifier.

A rectifying device according to a fourth aspect of the present invention is the rectifying device according to any one of the first to third aspects of the present invention, wherein a position between a position where the rotating shaft is supported by the support member and a position where the rotating shaft is supported by the supporting member and an urging member that urges the rectifier.

A rectifying device according to a fifth aspect of the present invention is the rectifying device according to any one of the first to fourth aspects of the present invention, further comprising a covering member attached to the support and covering the drive mechanism.

A straightening device according to a sixth aspect of the present invention is the straightening device according to any one of the first to fifth aspects of the present invention, wherein the supporting member supports the rotating shaft via the straightener.

In the rectifier according to the first aspect of the present invention, the drive mechanism is driven to rotate the rectifier with the rotation axis as the central axis of rotation. Furthermore, by rotating the rectifier in the deployment direction, the rectifier is deployed in front of the front wheels of the vehicle, thereby suppressing the airflow to the front wheels. On the other hand, the straightener is stored in the vehicle body by rotating the straightener in the storage direction.

Further, the support holds the drive mechanism, and the support supports the rotating shaft.

Here, a support member is supported by the support, and the support member supports the rotating shaft. Therefore, the load acting on the rotating shaft from the rectifier can be distributed to the support and the support member.

In the straightening device of the second aspect of the present invention, the rotating shaft supports the straightening member outside the support, and the support member supports the rotating shaft outside the support. Therefore, even when the rotary shaft supports the straightener outside the support, the load acting on the rotary shaft from the straightener can be distributed to the support and the support member.

In the rectifying device of the third aspect of the present invention, the drive member drives the rectifier.

Here, the drive member is arranged outside between the support position of the rotary shaft by the support body and the support position of the support member. Therefore, the support member can be made smaller, and the supporting rigidity of the rotating shaft by the support member can be increased.

In the straightening device of the fourth aspect of the present invention, the biasing member biases the straightener.

Here, the urging member is arranged outside between the support position of the rotating shaft by the support and the support position of the support member. Therefore, the support member can be made smaller, and the supporting rigidity of the rotating shaft by the support member can be increased.

In the rectifying device of the fifth aspect of the present invention, the covering member is attached to the support, and the covering member covers the drive mechanism. Therefore, the drive mechanism can be protected.

In the straightening device according to the sixth aspect of the present invention, the support member supports the rotating shaft via the straightener. For this reason, it is possible to eliminate the need for the support member to directly support the rotating shaft, thereby increasing the degree of freedom in the structure of the support member.

1 is a side view of a front portion of a vehicle according to an embodiment of the present invention, viewed from outside in the vehicle width direction; FIG. 1 is an exploded perspective view of a rectifying device according to an embodiment of the present invention, viewed from the rear of the vehicle and inward in the vehicle width direction; FIG. 1 is a perspective view of a straightening device according to an embodiment of the present invention, viewed from the front of the vehicle and from the outside in the vehicle width direction; FIG. 1 is a side view of a rectifying device according to an embodiment of the present invention, viewed from outside in the vehicle width direction; FIG. It is the bottom view seen from the downward direction which shows the rectification|straightening apparatus which concerns on embodiment of this invention. 1 is a front view of a rectifying device according to an embodiment of the present invention, viewed from the front of a vehicle; FIG. FIG. 7 is a cross-sectional view (cross-sectional view along line 7-7 in FIG. 6) seen from below showing the rectifier according to the embodiment of the present invention;

FIG. 1 shows a side view of a front portion of a vehicle 12 according to the present embodiment as seen from the outside in the vehicle width direction (right side of the vehicle), and FIG. is shown in an exploded perspective view seen from the rear of the vehicle and inward in the vehicle width direction. Further, FIG. 3 shows a perspective view of the straightening device 10 as viewed from the front of the vehicle and from the outside in the vehicle width direction. In the drawings, an arrow FR indicates the front of the vehicle, an arrow OUT indicates an outward direction in the vehicle width direction, and an arrow UP indicates an upward direction.

As shown in FIG. 1, the rectifier 10 according to the present embodiment is installed in the front end portion of the vehicle body 12A and arranged in front of the front wheels 12B of the vehicle 12. As shown in FIG.

As shown in FIGS. 1 to 3, the rectifying device 10 is provided with a rectifying body 14 which is made of resin and has a substantially rectangular parallelepiped box shape. ing.

A coupling tube 14A (see FIG. 7) having a bottomed cylindrical shape is formed at the vehicle front end of the rectifying body 14. The coupling tube 14A has an axial direction in the vehicle width direction and an inner portion that extends in the vehicle width direction. It is open inward. A cylindrical rotating cylinder 14B as a supported portion is integrally formed on the vehicle width direction outer side of the bottom wall (vehicle width direction outer wall) of the coupling cylinder 14A. In addition, the inside is opened inward in the vehicle width direction and communicated with the coupling cylinder 14A.

A drive device 16 (see FIGS. 2 and 7) is assembled to the vehicle width direction inner side of the vehicle front end portion of the rectifier 14, and the drive device 16 is fixed in the front end portion of the vehicle body 12A.

The driving device 16 is provided with a substantially cylindrical stand 18 made of resin as a rotating shaft, and the axial direction of the stand 18 is the vehicle width direction. The outer end portion of the stand 18 in the vehicle width direction is inserted into the coupling tube 14A of the rectifier 14 from the inside in the vehicle width direction. It penetrates the bottom wall from the vehicle width direction outer side and is screwed to the vehicle width direction outer end portion of the stand 18 . As a result, the rectifier 14 is coupled (fastened) to the stand 18 , and the stand 18 is arranged coaxially with the rotating cylinder 14</b>B of the rectifier 14 . Further, the rectifier 14 is rotatable in the deployment direction A and the storage direction B with the stand 18 as the central axis.

A ring-shaped seal cylinder 18A as a seal portion is coaxially and integrally formed in the vicinity of the outer end in the vehicle width direction of the stand 18. The seal cylinder 18A has an L-shaped cross section, and has a bottom wall and a side wall. is provided. The bottom wall of the seal cylinder 18A is formed into an annular plate shape and integrated with the stand 18, and the side wall of the seal cylinder 18A is formed into a cylindrical shape, and the radially outer end of the bottom wall of the seal cylinder 18A. protrudes inward in the vehicle width direction from the

A box-shaped case 24 made of resin is provided inside the stand 18 in the vehicle width direction as a main body member constituting the support 22, and the inside of the case 24 is opened inward in the vehicle width direction. A substantially bottomed cylindrical housing cylinder 24A is formed in the lower part of the case 24. The housing cylinder 24A has its axial direction in the vehicle width direction and its inside communicates with the upper part in the case 24. It is A cylindrical support tube 24B as a first support portion is coaxially formed integrally with the bottom wall (outer wall in the vehicle width direction) of the storage tube 24A. It penetrates and the inside is open to the outside in the vehicle width direction.

The stand 18 is coaxially fitted into the support cylinder 24B, so that the support cylinder 24B rotatably supports the stand 18 and the stand 18 is coaxially inserted into the housing cylinder 24A. there is The bottom wall of the seal tube 18A of the stand 18 is in contact with the support tube 24B from the outside in the vehicle width direction, thereby preventing the stand 18 from moving inward in the vehicle width direction. An annular seal ring 26 as a sealing member is inserted between the support cylinder 24B and the seal cylinder 18A. The seal ring 26 is made of rubber and has sealing properties. The seal ring 26 is sandwiched between the support cylinder 24B and the side wall of the seal cylinder 18A and is elastically contracted. water ingress.

A motor base 28 made of resin is accommodated in the case 24 as a holding member that constitutes the support 22 , and the outer circumference of the motor base 28 is fitted to the inner circumference of the case 24 . A pair of fixing screws 30 are passed through an intermediate portion in the vertical direction of the motor base 28, and the pair of fixing screws 30 are screwed into the bottom wall (outer wall in the vehicle width direction) of the case 24 so that the motor base 28 is fixed to the case. 24 is fixed (fastened).

A holding tube 28A having a substantially elliptical cylindrical shape with a bottom is integrally formed as a holding portion on the upper portion of the motor base 28. The holding tube 28A protrudes inward in the vehicle width direction, and the inside of the holding tube 28A extends in the vehicle width direction. Open inside.

A substantially bottomed cylindrical insertion tube 28B as an insertion portion is integrally formed with the lower portion of the motor base 28. The insertion tube 28B protrudes inward in the vehicle width direction, and the inside of the insertion tube 28B extends in the vehicle width direction. open to the outside. The insertion tube 28B is arranged coaxially with the housing tube 24A of the case 24, and the stand 18 is coaxially inserted into the insertion tube 28B. A bottom wall (inside wall in the vehicle width direction) of the insertion tube 28B is coaxially and integrally formed with a substantially bottomed cylindrical fitting tube 28C as a second support portion (fitting portion). 28C protrudes inward in the vehicle width direction from the bottom wall of the insertion tube 28B. The interior of the fitting cylinder 28C is open to the insertion cylinder 28B, and the inner end of the stand 18 in the vehicle width direction is coaxially fitted into the fitting cylinder 28C to rotatably support the stand 18. are doing.

A box-shaped cover 32 made of resin as a covering member is provided inside the case 24 and the motor base 28 in the vehicle width direction, and the inside of the cover 32 is open to the outside in the vehicle width direction. The inner end of the case 24 in the vehicle width direction is fitted and fixed in the outer end of the cover 32 in the vehicle width direction, and the cover 32 covers and seals the inner sides of the case 24 and the motor base 28 in the vehicle width direction. ing.

The case 24 and the cover 32 are fixed inside the front end of the vehicle body 12A, so that the rectifier 10 is installed inside the front end of the vehicle body 12A.

A motor 42 as a driving mechanism is provided in the upper part inside the case 24 and the cover 32 . The motor 42 is provided with a substantially elliptical cylindrical body portion 42A, and the body portion 42A is fitted and held in the holding cylinder 28A of the motor base 28 from the vehicle width direction inside. An output shaft 42B extends outward in the vehicle width direction from the body portion 42A, and the output shaft 42B passes through the motor base 28 and extends outward in the vehicle width direction. Also, the motor 42 is driven to rotate the output shaft 42B.

A first-stage worm 44 made of resin is provided outside the motor 42 in the vehicle width direction. The output shaft 42B of the motor 42 is coaxially inserted into the first stage worm 44 from the inside in the vehicle width direction, and when the output shaft 42B is rotated, the first stage worm 44 is integrally rotated with the output shaft 42B.

A metal output worm 46 is provided below the first-stage worm 44 , and the output worm 46 is rotatably supported between the bottom wall of the case 24 and the motor base 28 . A first stage gear 48 (worm wheel) made of resin is coaxially supported on the vehicle front side of the output worm 46 , and the first stage gear 48 rotates integrally with the output worm 46 . The initial stage gear 48 is meshed with the initial stage worm 44, and when the initial stage worm 44 is rotated, the initial stage gear 48 and the output worm 46 are integrally rotated.

Below the output worm 46, a substantially cylindrical metal output gear 50 (worm wheel) is provided as a drive member. , is rotatably supported on the stand 18 . The output gear 50 is movable in the vehicle width direction (axial direction) with respect to the stand 18, and the output gear 50 abuts on the support cylinder 24B of the case 24 from the vehicle width direction inner side. The output gear 50 is meshed with the output worm 46 to restrict its rotation, and the output worm 46 is rotated to rotate the output gear 50 .

A substantially cylindrical clutch 52 made of metal as a drive member is provided inside the output gear 50 in the vehicle width direction. Supported. The clutch 52 is rotatable integrally with the stand 18 and is movable in the axial direction (vehicle width direction) with respect to the stand 18 . and rotates together.

A metal coil spring 54 is provided as an urging member inside the clutch 52 in the vehicle width direction, and the stand 18 is coaxially inserted into the coil spring 54 . Near the inner end of the stand 18 in the vehicle width direction, a substantially annular plate-shaped push nut 56 made of metal is fitted and fixed as a locking member. , a coil spring 54 is suspended. The coil spring 54 is compressed in the axial direction, and the coil spring 54 urges the clutch 52 and the output gear 50 outward in the vehicle width direction to release the engagement between the output gear 50 and the clutch 52 . is restricted.

A support member 58 (see FIGS. 3 to 7) is provided on the vehicle front side of the rectifier 14 and the drive device 16 .

The support member 58 is provided with an arm 60 made of metal and having an L-shaped cross section as a first portion. The direction outside portion extends from the vehicle front side portion of the arm 60 to the vehicle rear side. A pair of fastening screws 62 are passed through the inner end portion of the arm 60 in the vehicle width direction. (concluded).

The support member 58 is provided with a substantially cylindrical support shaft 64 made of metal as a second portion, and the axial direction of the support shaft 64 is the vehicle width direction. An annular disk-shaped enlarged diameter portion 64A is integrally formed in the vicinity of the vehicle width direction outer end portion of the support shaft 64, and the diameter of the support shaft 64 is coaxially enlarged at the enlarged diameter portion 64A. The vehicle width direction outside end portion of the support shaft 64 is passed through the vehicle rear side end portion of the arm 60, and a nut 66 is screwed onto the vehicle width direction outside end portion of the support shaft 64 so that the nut 66 and the nut 66 are enlarged in diameter. The support shaft 64 is supported (fastened) to the arm 60 by sandwiching the vehicle rear end of the arm 60 between the arm 60 and the portion 64A. The support shaft 64 is coaxially fitted in the rotary cylinder 14B of the rectifier 14, and the support shaft 64 rotatably supports the rectifier 14 (rotary cylinder 14B).

Next, the operation of this embodiment will be described.

In the rectifying device 10 having the above configuration, when the rectifying body 14 is deployed, the motor 42 is driven forward in the driving device 16, and the output shaft 42B, the first stage worm 44, the first stage gear 48 and the output worm 46 are rotated. As a result, the output gear 50, the clutch 52, the stand 18, and the rectifier 14 are integrally rotated in the unfolding direction A, and the rectifier 14 is arranged at the unfolded position (the two-dot chain line position in FIG. 1). For this reason, the rectifier 14 is arranged on the vehicle front side of the front wheels 12B of the vehicle 12 under the vehicle body 12A to suppress the traveling wind (air flow) of the vehicle 12 toward the front wheels 12B. By flowing the air downward), an increase in the air pressure on the front side of the vehicle of the front wheels 12B is suppressed, and the air resistance and lift of the vehicle 12 are suppressed.

On the other hand, when the rectifier 14 is housed, the motor 42 is reversely driven in the drive device 16, and the output shaft 42B, the first-stage worm 44, the first-stage gear 48, and the output worm 46 are rotated to rotate the output gear. 50, the clutch 52, the stand 18, and the rectifier 14 are integrally rotated in the storage direction B, and the rectifier 14 is arranged at the retracted position (position indicated by the broken line in FIG. 1).

Incidentally, the support tube 24B of the case 24 and the fitting tube 28C of the motor base 28 of the support 22 support the stand 18. As shown in FIG. Further, when the vehicle 12 is running, if an external force acts on the rectifier 14 from the convex portion of the running surface of the vehicle 12 , a load is applied from the rectifier 14 to the stand 18 .

Here, the arm 60 of the support member 58 is supported by the case 24 of the support member 22, and the support shaft 64 of the support member 58 supports the rotating cylinder 14B of the flow straightening member 14, and is positioned outside the stand 18 in the vehicle width direction. supports the ends. Therefore, when an external force is applied to the rectifier 14, the load acting on the stand 18 from the rectifier 14 can be distributed to the support 22 and the support member 58, thereby suppressing stress concentration on the stand 18. As a result, damage to the stand 18 can be suppressed and the strength of the stand 18 can be lowered.

Furthermore, the stand 18 supports the rectifier 14 outside the support 22 (outside in the vehicle width direction), and the support member 58 supports the stand 18 outside the support 22 (outside in the vehicle width direction). Therefore, even if the stand 18 supports the rectifier 14 outside the support 22 , the load acting on the stand 18 from the rectifier 14 can be distributed between the support 22 and the support member 58 .

Further, the output gear 50 and the clutch 52 are arranged outside (inside in the vehicle width direction) between the support position (the position of the support cylinder 24B) of the stand 18 by the support body 22 and the support position (the position of the rotation cylinder 14B) of the support member 58. are placed. Therefore, the dimension of the arm 60 of the support member 58 in the vehicle width direction can be reduced, the rigidity of the vehicle front side portion of the arm 60 can be increased, and the support rigidity of the stand 18 by the support member 58 can be increased.

Furthermore, a coil spring 54 is arranged outside (inside in the vehicle width direction) between a position supported by the support member 22 of the stand 18 (position of the support cylinder 24B) and a position supported by the support member 58 (position of the rotary cylinder 14B). ing. Therefore, the dimension of the arm 60 of the support member 58 in the vehicle width direction can be further reduced, the rigidity of the vehicle front side portion of the arm 60 can be further increased, and the support rigidity of the stand 18 by the support member 58 can be further increased.

Further, the support shaft 64 of the support member 58 supports the outer end portion of the stand 18 in the vehicle width direction via the rotary cylinder 14B and the coupling cylinder 14A of the rectifier 14 . Therefore, it is possible to eliminate the need for the support member 58 to directly support the stand 18, and the degree of freedom in the structure of the support member 58 can be increased.

Furthermore, a cover 32 is fixed to the case 24 and covers the case 24 and the motor 42 of the motor base 28 . Therefore, the motor 42 can be protected.

In this embodiment, the arm 60 of the support member 58 has an L-shaped cross section and is fixed to the case 24 from the front side of the vehicle. However, the arm 60 of the support member 58 may have a U-shaped cross section, for example, and be fixed to the case 24 from the outside in the vehicle width direction.

Furthermore, in this embodiment, the rotary cylinder 14B of the rectifier 14 is rotated with respect to the support shaft 64 of the support member 58. As shown in FIG. However, the support shaft 64 of the support member 58 may be rotated integrally with the rotary cylinder 14B of the rectifier 14 .

Further, in this embodiment, the support member 58 supports the stand 18 via the rectifier 14 . However, the support member 58 may directly support the stand 18 .

DESCRIPTION OF SYMBOLS 10... Rectifier, 12... Vehicle, 12A... Vehicle body, 12B... Front wheel, 14... Rectifier, 18... Stand (rotating shaft), 22... Support, 32 ... cover (coating member), 42 ... motor (driving mechanism), 50 ... output gear (driving member), 52 ... clutch (driving member), 54 ... coil spring (biasing member ), 58... support member

Claims (6)

a rectifier that is rotated in the deployment direction to be deployed in front of the front wheels of the vehicle to suppress an air flow to the front wheels and that is stored in the vehicle body by being rotated in the storage direction;
a rotating shaft serving as a central axis of rotation of the rectifying body;
a drive mechanism that is driven to rotate the rectifier;
a support that holds the drive mechanism and supports the rotating shaft;
a support member supported by the support and supporting the rotating shaft;
rectifier. 2. The rectifier according to claim 1, wherein the rotating shaft supports the rectifier outside the support and the supporting member supports the rotating shaft. 3. The rectifying device according to claim 1, further comprising a driving member arranged outside between a position where said rotating shaft is supported by said support and a position where said supporting member supports said rotating shaft, and which drives said rectifier. 4. The apparatus according to any one of claims 1 to 3, further comprising an urging member arranged outside between a position where the rotary shaft is supported by the support and a position where the support member supports the rectifier, and which urges the rectifier. A rectifier as described. The straightening device according to any one of claims 1 to 4, further comprising a covering member attached to the support and covering the driving mechanism. The rectifier according to any one of claims 1 to 5, wherein the support member supports the rotating shaft via the rectifier.