WO2002064386A1 - Mecanisme de suspension de voiture electrique - Google Patents

Mecanisme de suspension de voiture electrique Download PDF

Info

Publication number
WO2002064386A1
WO2002064386A1 PCT/JP2001/011433 JP0111433W WO02064386A1 WO 2002064386 A1 WO2002064386 A1 WO 2002064386A1 JP 0111433 W JP0111433 W JP 0111433W WO 02064386 A1 WO02064386 A1 WO 02064386A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
suspension mechanism
wheel
electric vehicle
wheel motor
Prior art date
Application number
PCT/JP2001/011433
Other languages
English (en)
Japanese (ja)
Inventor
Hiroshi Shimizu
Original Assignee
Japan Science And Technology Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Science And Technology Corporation filed Critical Japan Science And Technology Corporation
Publication of WO2002064386A1 publication Critical patent/WO2002064386A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/14—Independent suspensions with lateral arms
    • B60G2200/144—Independent suspensions with lateral arms with two lateral arms forming a parallelogram
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/40—Indexing codes relating to the wheels in the suspensions
    • B60G2200/422—Driving wheels or live axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/30—Spring/Damper and/or actuator Units
    • B60G2202/31—Spring/Damper and/or actuator Units with the spring arranged around the damper, e.g. MacPherson strut
    • B60G2202/312—The spring being a wound spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/129—Damper mount on wheel suspension or knuckle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/30—In-wheel mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/50—Electric vehicles; Hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric

Definitions

  • the present invention relates to an electric vehicle, and more particularly to a suspension mechanism of an electric vehicle in which a driving motor is integrally mounted on wheels.
  • FIG. 1 is a schematic configuration diagram of a suspension mechanism of an electric vehicle that is not the conventional in-wheel motor type of a general vehicle
  • FIG. 1 (a) is a front view of the suspension mechanism of the electric vehicle
  • FIG. 1 (b) is a plan view of the suspension mechanism of the electric vehicle.
  • 101 is a frame (chassis), 102 and 105 are subframes, 103 is an upper arm (wishbone shape), 104 and 107 are joints, and 106 is a joint.
  • Lower arm (wishbone shape) 108 is a brake, 109 is a wheel, 110 is a tire, and 111 is a shock absorber consisting of a damper and a spring.
  • the cushioning device 1 1 1 1 is used in order to secure a sufficient space between the frame 1 1 and the wheel 1 9. Installation did not matter much.
  • FIG. 2 is a schematic front view of a suspension mechanism of a conventional in-wheel motor type electric vehicle.
  • 201 is a frame (car chassis), 202 and 205 are subframes, 203 is an upper arm (wishbone shape), 204 and 207 are joints, and 206 is a joint Lower arm (wishbone shape), 208 is the in-wheel motor-(including the reduction gear mechanism), 209 is the brake, 210 is the wheel, 211 is the tire, and 211 is the upper sub
  • the frame 2 13 is a shock absorber composed of a damper and a panel disposed between the upper sub-frame 2 12 and Atsuno, 0 -arm 203. Disclosure of the invention
  • the in-wheel motor (including the reduction gear mechanism) 208 is disposed so as to protrude toward the vehicle body of the wheel 210. I have no choice. Furthermore, in order to obtain a high output, the in-wheel motor becomes large and the space for the reduction gear mechanism is required, so that the wheel 210 must be designed to protrude further toward the vehicle body. Absent.
  • an upper sub-frame 211 is provided above the frame 201, and a shock absorber 2 is provided between the tip of the upper sub-frame 212 and the upper arm 203. 13 must be provided. Then, a space must be provided between the frame (chassis) 201 and the vehicle body (cabin), but there is sufficient space between the frame (chassis) 201 and the car body (cabin). In this case, the vehicle body (cabin) became too high, resulting in a short stroke of the damper damper.
  • the present invention has been made to solve the above problems, and to provide a shock absorber without increasing the space in the vehicle height direction even when the in-wheel motor is arranged so as to protrude toward the vehicle body of the wheel.
  • the purpose of the present invention is to provide a suspension mechanism for an electric vehicle that can be operated.
  • an in-wheel motor in which a driving motor is mounted so as to protrude toward the vehicle body side of a wheel, and one end is jointly connected to a lower portion of the in-wheel motor, and the other end.
  • An upper arm pivotally supported on the vehicle body side; an upper arm having one end jointly connected to an upper portion of the in-wheel motor; and an upper arm supported on the other end with the vehicle body side; and a vehicle body of the in-wheel motor.
  • a shock absorber comprising a panel and a damper for attenuating vertical vibration of the vehicle, and a substantially L-shaped connection arm which bypasses an outer case of the in-wheel motor.
  • One end is fixed to the wheel side joint of the lower arm, and the shock absorber is laterally arranged between the other end extending upward and the vehicle body side.
  • the substantially L-shaped connecting arm has a crotch shape so that a curved portion of the substantially L-shaped connecting arm avoids interference with the in-wheel motor. It is characterized by being open and having a shape integrated at both ends.
  • the mouth arm is formed in a wishbone shape, and the connecting arm is connected to an arm on one side of the mouth arm.
  • a suspension mechanism for an electric vehicle characterized by:
  • the lower arm has a wishbone shape, and the connecting arm is connected to both of the lower arm. This is a suspension mechanism for electric vehicles.
  • FIG. 1 is a schematic configuration diagram of a conventional suspension mechanism of an electric vehicle that is not a single wheel motor of a general vehicle.
  • FIG. 2 is a schematic front view of a conventional suspension mechanism of an in-wheel motor type electric vehicle.
  • FIG. 3 is a schematic side view of a suspension mechanism of an in-wheel motor type electric vehicle according to the present invention.
  • FIG. 4 shows a suspension machine for an in-wheel motor type electric vehicle according to the present invention. It is a figure which shows the structure of the connection arm connected to a structure shock absorber.
  • FIG. 5 is a side view showing the structure of another connecting arm connected to the shock absorber of the suspension mechanism of the electric vehicle of the type with the in-wheel motor of the present invention.
  • FIG. 3 is a schematic side view of a suspension mechanism of an in-wheel motor type electric vehicle according to the present invention.
  • 1 is a frame (chassis), 2 and 5 are subframes, 3 is an upper arm (wishbone shape), 4 and 7 are joints, 6 is a lower arm (wishbone shape), and 8 is a damper and panel.
  • a shock absorber, 9 is a joint, 10 is a substantially L-shaped connecting arm arranged so as to bypass the outer case of the in-wheel motor 1 1, 1 1 is an in-wheel motor, 1 2 is a brake, 1 3 Are wheels and 14 are tires.
  • the substantially L-shaped connecting arm 10 connects the outer case of the in-wheel motor 11. Due to the detour arrangement, the shock absorber 8 can be arranged laterally.
  • one end of the shock absorber 8 can be directly attached to the frame 1, so that the conventional upper subframe is not required, and the space can be reduced accordingly. Further, the stroke of the shock absorber 8 can be increased.
  • the lower arm 6 may have a wishbone shape, and the connecting arm 10 may be connected to one arm of the mouth arm 6.
  • the lower arm 6 may be formed in a wishbone shape, and the connecting arm 10 may be connected to the arms on both sides of the mouth arm 6.
  • FIG. 4 is a diagram showing a structure of a connecting arm connected to a shock absorber of a suspension mechanism of an in-wheel motor type electric vehicle according to the present invention.
  • FIG. 4 (a) is a side view thereof
  • FIG. ) Is a plan view thereof.
  • the connecting arm 10 is substantially L-shaped when viewed from the side as shown in FIG. 4 (a), and is shown in FIG. 4 (b) when viewed from the plane.
  • the joint 7 is opened in a crotch shape, and both ends have a shape integrated by the joint 9, and the central portion 1 OA of the integrated both ends is attached to the tip of the shock absorber 8. I try to join.
  • the substantially L-shaped connecting arm 10 is opened in a crotch shape as shown in FIG. Since it has an integrated shape at both ends, it does not cushion the outer case of the in-wheel motor.
  • the lower arm has a wishbone shape and the connecting arm 10 is connected to the arms on both sides of the lower arm.
  • FIG. 5 is a side view showing the structure of another connecting arm connected to the shock absorber of the suspension mechanism of the electric vehicle of the present invention.
  • a substantially L-shaped connecting arm 22 arranged so as to bypass the outer case of the in-wheel motor 1 has a vehicle side joint 20 common to the mouth arm 21. At the same time, it is common to the lower arm 21 up to the middle of the arm, but branches off from the middle to become the arm 22A, and its tip is connected to the joint 23 connected to the tip of the shock absorber. It is configured.
  • the mouth arm 21 has a wishbone shape
  • the connecting arm 22 is connected to the arms on both sides of the lower arm 21.
  • the suspension mechanism of the present invention is particularly suitable as a suspension mechanism of an electric vehicle that requires a large degree of freedom in designing a chassis of an electric vehicle having an in-wheel motor and requires space saving.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

L'invention concerne un mécanisme de suspension de voiture électrique conçu de manière à pouvoir recevoir un atténuateur de chocs sans avoir à augmenter un espace dans la direction de la hauteur d'un véhicule, même si un moteur interne à une roue est disposé de manière à être projeté à partir du corps latéral d'une roue renfermant le moteur (11) incorporé à un moteur d'entraînement de manière à être projeté à partir du corps latéral de la roue. L'invention concerne également un bras inférieur (6) possédant une extrémité reliée à la partie inférieure du moteur interne à la roue (11) et une autre extrémité pivotée vers le corps latéral, un bras supérieur (3) possédant une extrémité reliée à la partie supérieure du moteur (11) et une autre extrémité pivotée vers le corps latéral, l'atténuateur de chocs (8) étant formé d'un ressort et d'un amortisseur destiné à atténuer le mouvement vertical du moteur (11) par rapport au corps, et un bras de connexion généralement en forme de L (10) contournant le boîtier extérieur du moteur (11), dans lequel une extrémité du bras de connexion généralement en forme de L (10) est fixée à la partie d'assemblage latérale de la roue du bras inférieur (6), l'atténuateur de chocs (8) étant disposé latéralement entre l'autre extrémité de celui-ci située sur la partie d'assemblage et le corps latéral.
PCT/JP2001/011433 2001-02-15 2001-12-26 Mecanisme de suspension de voiture electrique WO2002064386A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001038173A JP3664984B2 (ja) 2001-02-15 2001-02-15 電気自動車のサスペンション機構
JP2001-038173 2001-02-15

Publications (1)

Publication Number Publication Date
WO2002064386A1 true WO2002064386A1 (fr) 2002-08-22

Family

ID=18901201

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/011433 WO2002064386A1 (fr) 2001-02-15 2001-12-26 Mecanisme de suspension de voiture electrique

Country Status (2)

Country Link
JP (1) JP3664984B2 (fr)
WO (1) WO2002064386A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013103665A (ja) * 2011-11-16 2013-05-30 Nissan Motor Co Ltd インホイールモータ駆動車輪の転舵装置
JP6369166B2 (ja) * 2014-06-27 2018-08-08 日産自動車株式会社 車両用サスペンション装置
CN105459737A (zh) * 2015-12-11 2016-04-06 淄博大创自动化科技有限公司 一种带有全面减震行走机构的农用播种机
JP7103173B2 (ja) * 2018-11-05 2022-07-20 トヨタ自動車株式会社 サスペンション装置、車両

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6118903U (ja) * 1984-07-10 1986-02-03 マツダ株式会社 自動車のサスペンシヨン
JPH0277327A (ja) * 1988-05-31 1990-03-16 Jean-Claude Andruet 電動自動車
JPH07246814A (ja) * 1994-03-08 1995-09-26 Honda Motor Co Ltd 車両用懸架装置におけるダンパー支持部材構造
JP2000296709A (ja) * 1999-04-14 2000-10-24 Nissan Motor Co Ltd 車両のエンジンルーム構造
JP7088125B2 (ja) * 2019-05-14 2022-06-21 信越半導体株式会社 被覆物の厚さ測定方法及び研削方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6118903U (ja) * 1984-07-10 1986-02-03 マツダ株式会社 自動車のサスペンシヨン
JPH0277327A (ja) * 1988-05-31 1990-03-16 Jean-Claude Andruet 電動自動車
JPH07246814A (ja) * 1994-03-08 1995-09-26 Honda Motor Co Ltd 車両用懸架装置におけるダンパー支持部材構造
JP2000296709A (ja) * 1999-04-14 2000-10-24 Nissan Motor Co Ltd 車両のエンジンルーム構造
JP7088125B2 (ja) * 2019-05-14 2022-06-21 信越半導体株式会社 被覆物の厚さ測定方法及び研削方法

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JP2002240524A (ja) 2002-08-28
JP3664984B2 (ja) 2005-06-29

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