WO2003086561A1 - Modele reduit de voiture - Google Patents
Modele reduit de voiture Download PDFInfo
- Publication number
- WO2003086561A1 WO2003086561A1 PCT/JP2003/004795 JP0304795W WO03086561A1 WO 2003086561 A1 WO2003086561 A1 WO 2003086561A1 JP 0304795 W JP0304795 W JP 0304795W WO 03086561 A1 WO03086561 A1 WO 03086561A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wheels
- steering
- steering wheel
- support mechanism
- traveling direction
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000010586 diagram Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
- A63H17/26—Details; Accessories
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H29/00—Drive mechanisms for toys in general
- A63H29/22—Electric drives
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
- A63H17/26—Details; Accessories
- A63H17/262—Chassis; Wheel mountings; Wheels; Axles; Suspensions; Fitting body portions to chassis
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
- A63H17/26—Details; Accessories
- A63H17/36—Steering-mechanisms for toy vehicles
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H30/00—Remote-control arrangements specially adapted for toys, e.g. for toy vehicles
- A63H30/02—Electrical arrangements
- A63H30/04—Electrical arrangements using wireless transmission
Definitions
- the present invention relates to an automobile model that performs a turning motion by generating a speed difference between a pair of left and right driving wheels.
- a remote-controlled automatic turning motion is realized by driving a steering servomotor mounted on an automatic i-type in accordance with an operation amount of a user with respect to a steering unit of a transmitter.
- a steering servomotor mounted on an automatic i-type in accordance with an operation amount of a user with respect to a steering unit of a transmitter.
- the attitude of the steered wheels does not change even during turning, and the model lacks realism and may lose interest in the model. Since a reaction force acts on the steered wheels fixed in the straight running state in the direction to make the vehicle go straight from the running surface, the turning operation may not be performed smoothly. Disclosure of the invention
- the present invention is to realize a stable turning motion by naturally steering the steered wheels in the traveling direction without providing a driving source for steering even in a structure in which the turning motion is performed by the speed difference between the driving wheels. It is an object of the present invention to provide a model of a car capable of performing the following.
- the automatic mold according to the present invention has a A pair of drive wheels, a pair of left and right steered wheels, and a steered wheel support mechanism that supports each steered wheel so as to be able to turn around a predetermined steering axis and to turn in conjunction with each other in the same direction.
- the steering axis is inclined with respect to the vertical direction so that the upper part of the steering axis is located rearward in the traveling direction from the lower part. According to the present invention, when the automatic wheel is turned by causing a speed difference between the drive wheels, the steered wheels are naturally steered in the turning direction by the reaction force received from the ground contact surface.
- a restoring force is applied to the steered wheels during turning to return to the straight traveling state.
- This restoring force acts as a force to suppress excessive turning of the steered wheels, and the attitude of the steered wheels during turning is stabilized.
- the left and right steered wheels are associated with each other so as to be steered in the same direction, there is no possibility that the steered wheels are steered in different directions and the traveling direction of the car model is disturbed.
- the inclination angle of the steering axis with respect to the vertical direction is set in a range of 20 ° to 40 °. If the angle is less than 20 °, there is a possibility that the effect of stabilizing the turning posture may not be sufficiently exerted due to insufficient restoring force to the straight running state, and if the angle exceeds 40 °, the restoring force is too strong and the steered wheels naturally turn. Operation may not be obtained.
- the steered wheel support mechanism may support the steered wheels such that the center line of the steered wheels when viewed straight from above is inclined with respect to the traveling direction. As a result, a so-called corner is given to the steered wheels. Further, the steering wheel support mechanism may support the steering wheel such that a center line of the steering wheel when viewed from the front in a traveling direction in a straight traveling state is inclined with respect to a vertical direction. In this case, a so-called camber angle is given to the steered wheels. Furthermore, the steering wheel support mechanism may support the steering wheels such that the left and right steering wheels can be tilted in conjunction with the same direction when viewed from the front in the traveling direction. By performing such support, the steered wheels can be integrally tilted according to the turning radius, and the grounding of the steered wheels is improved. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a diagram showing a configuration of a remote-controlled toy to which the present invention is applied;
- Fig. 2 is a diagram showing the structure of the car model of Fig. 1 on the chassis;
- Fig. 3 is a cross-sectional view of the front wheel support mechanism of Fig. 2 cut along the axle direction;
- FIG. 4 is a diagram showing the relationship between the front wheel and the kingpin as viewed from the inside of the front wheel;
- 5A to 5C are diagrams showing the relationship between the driving force of the rear wheels, the traveling direction, and the steering direction of the front wheels.
- FIG. 1 shows a remote-controlled toy to which the present invention is applied.
- This remote-controlled toy includes a controller 1 operated by a user, and an automatic: ⁇ type 2 whose operation is controlled based on control data transmitted from the controller 1.
- the controller 1 has a main body 10 and a drip 11 to be gripped by a user.
- a trigger lever 12 for speed indication is provided in front of the drip 11 so as to be operable in the front-rear direction.
- a steering wheel 13 is provided so as to be rotatable around its center.
- a control device (not shown) for generating control data according to the operation status of the trigger levers 12 and 13 is provided inside the controller 1, a control device (not shown) for generating control data according to the operation status of the trigger levers 12 and 13 is provided.
- control device determines the basic drive speed of the model 2 in accordance with the operation amount of the trigger lever 1 and 2, and determines the reduction ratio of one of the right and left drive wheels with respect to the drive speed. Determined in accordance with the operation direction and the operation amount of 13 and individually determine the drive speeds of the left and right drive wheels based on the determined contents.
- the control data includes information for individually specifying the drive speeds of the left and right drive wheels, and the control data is transmitted from the transmission unit 14.
- Automobile model 2 includes a receiving unit 2 0 which receives the control data from the controller 1, the wheel 2 1 After the drive wheel, and a front wheel 2 2 as a steering wheel.
- the rear wheel 21 and the front wheel 22 are provided as a left and right pair, respectively (only one side is shown in FIG. 1).
- FIG. 2 shows the internal structure of the car model 2.
- the car model 2 has a chassis 23, and the chassis 23 has motors 24, 24 as driving sources for independently driving the rear wheels 21, 21 and the rotation of each motor 24. Transfer to the corresponding rear wheel 2 1 Deceleration mechanisms 25 and 25 are mounted.
- a control device 26 and a rechargeable battery 27 are provided in front of the motor 24, a control device 26 and a rechargeable battery 27 are provided.
- the controller 26 decodes the control data received by the receiver 20 and controls the driving of each motor 24 at the speed specified by the control data.
- a speed difference is generated between the rear wheels 21 and 21 to an extent corresponding to the operation direction and the operation amount, and the speed difference is generated.
- Car model 2 performs a turning motion according to.
- a chassis 23 of the automobile model 2 is provided with a front wheel support mechanism 30.
- the front wheel support mechanism 30 includes king pins 31, 31, a rod 32 connecting upper ends of the king pins 31, 31, and arms 31 a, 3 projecting rearward from the king pins 31, 31. It has a rod 33 connecting 1a (see Fig. 4).
- the king pin 31 extends along a predetermined axis AX, and the king pin 31 is provided with an axle 34 protruding in a direction perpendicular to the axis AX.
- the front wheel 22 is rotatably supported on the axle 34.
- the lower end of the king pin 31 is rotatably supported by the bearings 23 a and 23 a of the chassis 23, and the upper end of the king pin 31 is rotatably connected to the rod 32.
- the rod 32 is rotatably connected to the upper end of the king pin 31 at both ends thereof, and is inserted into the restraining portion 35 of the chassis 23 at the center thereof so as to be immovably restrained in the front-rear direction (traveling direction). ing.
- an inverted triangular support portion 35a that is in line contact with the center of the upper surface of the mouthpiece 32 is formed inside the constraining portion 35.
- the reaction force input to the front wheels 22 and 22 is received by the support portions 35a.
- the rod 32 can swing right and left around the support portion 35a. Since the rod 32 and the front wheels 22 and 22 are connected via the king pins 31 and 31, the left and right front wheels 22 and 22 are linked in the same direction via the rod 32. And lean. Since the front wheels 22 and 22 are supported in this manner, the grounding of the front wheels 22 and 22 during turning is improved.
- the restricting portion 35 restricts the rod 32 to a position displaced rearward in the traveling direction from a connection point between the king pin 31 and the bearing portion 23a. Accordingly, the axis AX of the king pin 31 is inclined with respect to the vertical line VL such that the upper part thereof is located rearward in the traveling direction from the lower part.
- the axis AX is a steering axis at which the front wheel 22 performs a turning motion, and the angle formed by the steering axis AX and the vertical line VL is called a caster angle.
- the caster angle ⁇ is preferably in the range of 5 ° to 40 °, and more preferably in the range of 10 ° to 15 °.
- the king pins 31, 31 are associated with each other so as to always rotate in the same direction by the rod 33.
- a general automatic type such a door is driven by a servo motor to steer the front wheels.
- the king pin 31 can freely turn by the force input from the front wheel 22 while maintaining the interlocking relationship by the rod 33.
- the front wheels 22 and 22 when the automatic type 2 is turned by generating a speed difference between the rear wheels 21 and 21, the front wheels 22 and 22 naturally move in the turning direction due to the reaction force received from the contact surface. Operated. That is, the front wheels 22 are passively steered. Since a positive caster angle ⁇ is set for each front wheel 22, a restoring force to the straight traveling state acts on the front wheels 22, 22 during turning. Therefore, the front wheels 22, 22 are prevented from being excessively cut, and the steering posture is stabilized. Moreover, since the left and right front wheels 22, 22 are associated with each other so as to be interlocked and steered by the rod 33 in the same direction, the front wheels 22, 22 are steered in different directions, and the traveling direction of the automatic mold 2 is changed. There is no fear of being disturbed.
- FIGS. 5A to 5C show the relationships between the driving forces FR and FL of the rear wheels 21 and 21, the traveling direction Fa of the automatic 3 ⁇ 4f type 2 and the steering direction of the front wheels 22, respectively.
- FIG. 5A shows that the left and right rear wheels 21 and 21 have the same rotational speed and are in a straight running state. In this case, the driving forces FR and FL are equal to each other, and the traveling direction Fa of the model car 2 is The front wheels 22, 22 are pointing straight ahead, matching the front and rear direction.
- FIG. 5B when the speed of the right rear wheel 21 is higher than the speed of the left rear wheel 21 and the driving force FR becomes larger than the driving force FL, the traveling direction Fa is shifted to the left. Lean.
- the wheels 22 and 22 are also steered to the left.
- the rear wheel 21 slips and the traveling direction Fa is inclined in the direction of the inertial force acting on the model 2 in Fig. 5C.
- the front wheels 22 are tilted in the traveling direction Fa under the influence of the traveling direction Fa.
- the angle expressing the mounting state of the front wheel 22 is an angle formed by the center line CL of the front wheel 22 and the traveling direction when the front wheels 22 are in a straight traveling state.
- the camber angle ⁇ (Fig. 3) defined as the toe angle / 3 defined (Fig. 2) and the angle formed by the center line CL of the front wheel 2 and the vertical line VL when the model car 2 is viewed from the front. And exists.
- these angles i3 and ⁇ / are not particularly limited;
- the camber angle ⁇ can be set within a range of ⁇ 1.5 ° with respect to the neutral state (a state where the center line CL and the vertical line VL coincide).
- the toe angle V and the camber angle ⁇ are set to be equal to each other for the left and right front wheels 22.
- the front wheels 22 and 22 can be tilted to the left and right with the contact point between the rod 32 and the support portion 35a as a fulcrum. This is the angle obtained when measuring with the chassis 23 placed.
- FIG. 1 shows the car model 2 as a passenger car type
- the car model of the present invention is not limited to such a passenger car type, and may be implemented in various types of vehicles.
- the present invention can be suitably used when the vehicle body is small, such as a formula type racing car, and a sufficient component mounting space cannot be secured around the steered wheels.
- the drive wheels and the steered wheels are not limited to the left and right pair, but may be provided in two pairs or more pairs.
- the steering wheel support mechanism is not limited to the illustrated form, and various mechanisms used to support the steerable wheel with various models so as to be steerable may be used as the steering wheel support mechanism.
- the present invention is not limited to rear-wheel drive, but is also applicable to an automatic type 1 vehicle in which front wheels are driven and rear wheels are steered wheels. Industrial applicability
- the so-called forward caster angle is set on the steering axis
- Excessive turning of the steered wheels is suppressed by applying a restoring force to the steered wheels during turning to the straight traveling state, thereby stabilizing the attitude of the steered wheels during turning.
- the left and right steered wheels are related to each other so that they are steered in the same direction. Automatically steered in different directions: There is no risk of the M-shaped direction being disturbed. Therefore, even in a structure in which the turning motion is performed by the difference in speed between the driving wheels, a stable turning motion can be realized by naturally steering the steered wheels in the traveling direction without providing a driving source for steering.
Landscapes
- Toys (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-7016478A KR20040099443A (ko) | 2002-04-18 | 2003-04-16 | 자동차 모형 |
AU2003235167A AU2003235167A1 (en) | 2002-04-18 | 2003-04-16 | Car model |
US10/511,919 US7553212B2 (en) | 2002-04-18 | 2003-04-16 | Automobile model |
EP03746176A EP1495787A4 (en) | 2002-04-18 | 2003-04-16 | car model |
HK05107501A HK1073621A1 (en) | 2002-04-18 | 2005-08-26 | Car model |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002116800A JP2003311032A (ja) | 2002-04-18 | 2002-04-18 | 自動車模型 |
JP2002-116800 | 2002-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003086561A1 true WO2003086561A1 (fr) | 2003-10-23 |
Family
ID=29243470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/004795 WO2003086561A1 (fr) | 2002-04-18 | 2003-04-16 | Modele reduit de voiture |
Country Status (9)
Country | Link |
---|---|
US (1) | US7553212B2 (ja) |
EP (1) | EP1495787A4 (ja) |
JP (1) | JP2003311032A (ja) |
KR (1) | KR20040099443A (ja) |
CN (1) | CN1320936C (ja) |
AU (1) | AU2003235167A1 (ja) |
HK (1) | HK1073621A1 (ja) |
TW (1) | TW585802B (ja) |
WO (1) | WO2003086561A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100863610B1 (ko) * | 2007-05-10 | 2008-10-15 | 주식회사 에어로봇 | 로봇 완구 |
US8574024B2 (en) | 2010-09-29 | 2013-11-05 | Mattel, Inc. | Remotely controllable toy and wireless remote control unit combination |
JP2012157590A (ja) * | 2011-02-01 | 2012-08-23 | Kondo Kagaku Kk | ラジコン模型用送信機におけるユニット部材の着脱機構 |
US8972109B2 (en) * | 2011-04-19 | 2015-03-03 | Ford Global Technologies | Rotatable driver interface for trailer backup assist |
JP5492851B2 (ja) * | 2011-09-22 | 2014-05-14 | 東洋精器工業株式会社 | ホイールアライメント用ミニチュア模型 |
CN105555374A (zh) * | 2013-09-30 | 2016-05-04 | 索特福玩具公司 | 模块化玩具车装置 |
US20150306514A1 (en) * | 2014-04-23 | 2015-10-29 | Innovation First, Inc. | Toy Skateboard |
JP6289255B2 (ja) * | 2014-05-12 | 2018-03-07 | 双葉電子工業株式会社 | ラジオコントロール送信機 |
US10150506B2 (en) * | 2016-04-28 | 2018-12-11 | Ford Global Technologies, Llc | Trailer backup assist input with two-stage spring rate |
CN107899252A (zh) * | 2017-07-05 | 2018-04-13 | 深圳市比赛得科技有限公司 | 四轮独立驱动车 |
CN108454757B (zh) * | 2018-06-07 | 2023-08-15 | 平湖市伶俐童车厂 | 一种带离合的四驱儿童电动童车 |
CN111417444B (zh) * | 2019-09-03 | 2022-04-05 | 尤中乾 | 玩具车控制方法及玩具车 |
JP7365084B1 (ja) | 2023-02-03 | 2023-10-19 | チームラボ株式会社 | 走行装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS612632Y2 (ja) * | 1978-06-14 | 1986-01-28 | ||
JPH0324239Y2 (ja) * | 1984-05-30 | 1991-05-27 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3510981A (en) * | 1969-02-06 | 1970-05-12 | Mattel Inc | Vehicle and track combination toy |
US3608236A (en) * | 1969-09-03 | 1971-09-28 | Mattel Inc | Steerable toy vehicle |
FR2443263A1 (fr) | 1978-12-05 | 1980-07-04 | Chevance Claude | Chassis de modele reduit de vehicule et notamment de voiture de course |
US4508516A (en) * | 1983-08-03 | 1985-04-02 | Arco Industries Ltd. | Steering system and reversible drive for toy vehicles |
US5281184A (en) * | 1992-04-08 | 1994-01-25 | Kabushiki Kaisha Hanzawa Corporation | Steering device for automotive vehicle toy |
FR2725914B1 (fr) | 1994-10-19 | 1997-01-17 | Fimaso | Vehicule jouet comprenant des roues directrices |
US5762533A (en) * | 1996-01-04 | 1998-06-09 | Mattel, Inc. | Toy vehicle with adjustably positioned wheels |
US5775972A (en) * | 1996-08-01 | 1998-07-07 | Energetic Industrial Technology Ltd. | Toy vehicle with an improved steering mechanism |
US6024627A (en) * | 1997-08-19 | 2000-02-15 | Tilbor; Neil | Toy vehicle with gyroscopic action rear wheels |
CN1122552C (zh) * | 1999-05-21 | 2003-10-01 | 崔凤奎 | 玩具汽车 |
US6394878B1 (en) * | 2000-11-29 | 2002-05-28 | Kingstar/Neo Co., Ltd. | Mounting bracket structure of remotely controllable toy rally car |
CN2454001Y (zh) * | 2000-12-01 | 2001-10-17 | 蔡东青 | 一种玩具车的磁力转向装置 |
CN2451195Y (zh) * | 2000-12-01 | 2001-10-03 | 蔡东青 | 一种可适应于多种路面的遥控玩具车转向装置 |
CN2452581Y (zh) * | 2000-12-07 | 2001-10-10 | 蔡东青 | 一种可适应高低不平路面的玩具工程车 |
US6540583B1 (en) * | 2001-10-19 | 2003-04-01 | Michael G. Hoeting | Toy vehicle |
US6604982B1 (en) * | 2002-02-06 | 2003-08-12 | Linda Croteau-Brooks | Suspension device, suspension assembly including such a device, and method of use |
US6945843B1 (en) * | 2004-04-28 | 2005-09-20 | Motosko Stephen J | Toy lowrider model vehicle |
JP3724586B1 (ja) * | 2004-10-13 | 2005-12-07 | 株式会社トミー | 走行玩具 |
-
2002
- 2002-04-18 JP JP2002116800A patent/JP2003311032A/ja active Pending
-
2003
- 2003-04-16 KR KR10-2004-7016478A patent/KR20040099443A/ko not_active Application Discontinuation
- 2003-04-16 AU AU2003235167A patent/AU2003235167A1/en not_active Abandoned
- 2003-04-16 US US10/511,919 patent/US7553212B2/en not_active Expired - Fee Related
- 2003-04-16 EP EP03746176A patent/EP1495787A4/en not_active Withdrawn
- 2003-04-16 WO PCT/JP2003/004795 patent/WO2003086561A1/ja active Application Filing
- 2003-04-16 CN CNB038066432A patent/CN1320936C/zh not_active Expired - Fee Related
- 2003-04-17 TW TW092108954A patent/TW585802B/zh not_active IP Right Cessation
-
2005
- 2005-08-26 HK HK05107501A patent/HK1073621A1/xx not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS612632Y2 (ja) * | 1978-06-14 | 1986-01-28 | ||
JPH0324239Y2 (ja) * | 1984-05-30 | 1991-05-27 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1495787A4 * |
Also Published As
Publication number | Publication date |
---|---|
AU2003235167A1 (en) | 2003-10-27 |
CN1642607A (zh) | 2005-07-20 |
TW585802B (en) | 2004-05-01 |
US20050140109A1 (en) | 2005-06-30 |
CN1320936C (zh) | 2007-06-13 |
KR20040099443A (ko) | 2004-11-26 |
EP1495787A4 (en) | 2007-08-29 |
HK1073621A1 (en) | 2005-10-14 |
TW200306878A (en) | 2003-12-01 |
EP1495787A1 (en) | 2005-01-12 |
JP2003311032A (ja) | 2003-11-05 |
US7553212B2 (en) | 2009-06-30 |
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