JP2006199174A - Device for reverse driving for scooter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for reverse driving for a scooter which maintains handiness by smooth infinite variable speed and inexpensively by power. <P>SOLUTION: In the device for reverse driving for the scooter, an infinite variable speed drive with a belt is used and the transmission of power is performed by a centrifugal clutch. When a motor 1 for reverse driving wherein a gear is mounted to a clutch outer 4 of the centrifugal clutch and mounted to a V-belt cover, and the centrifugal clutch which reverses the clutch outer 4 through a pinion gear, and enables the reverse driving by a back button provided on a handlebar switch are located at the rear part of the V-belt in the scooter, the design change for a gear box or the like is not required since they are mounted to most vehicles. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a reverse device for a scooter.

  Patent Documents 1 and 2 below are known as conventional reverse gears for motorcycles, and there are large motorcycles in which a reverse gear is attached to a transmission having a plurality of switching stages. This is a reverse device that can be attached to a continuously variable transmission using a V-belt provided in the scooter, and is different from the conventional technology.

  The reason why the reverse device is not adopted for the scooter in the conventional technology is that many of the scooters are lightweight, and the reverse is performed by pushing and rowing. In addition, the scooter is abandoned because the power transmission device is simple and there is no space for mounting the back gear and the mechanism is complicated, so it is difficult to operate the centrifugal clutch type because the engine speed must be increased. Therefore, it was not adopted.

JP 2000-103385 A JP 11-082668 A

  Until now, the scooter did not require a reverse gear until now, but in recent years large scooters have been selling well due to the ban on two-seaters on expressways. As the vehicle weight increases, a reverse gear like a large motorcycle is required. In addition, many women are engaged in delivery of soft drinks using a three-wheeled scooter and the like, and when the vehicle is fully loaded, the physical strength is heavy and a reverse device using power is required. The problem to be solved by the present invention is to provide a reverse device using power at a low cost while maintaining the ease of handling of the scooter by smooth and continuous shifting.

  In order to solve the above-mentioned problems, it is a means that can be provided at a low price by attaching a device of the following means to a commercially available scooter. Commercially available scooters and three-wheeled scooters often use a V-belt continuously variable transmission and are equipped with a centrifugal clutch outer clutch, and the clutch outer is reversely rotated by an electric motor to enable reverse travel.

  Since the present invention is simple with few components, it can be sold as an optional part and the options for the vehicle purchaser can be expanded. It can also be sold and installed for existing vehicles, and a lot of demand can be expected and the cost can be reduced.

  When a motorcycle and a scooter stop behind a vehicle, the vehicle may suddenly come back due to an oncoming vehicle or the like, and the motorcycle or the scooter often collides without being instantly backed. If this invention is utilized, it will be possible to back immediately after the backward confirmation, which contributes to the improvement of safety.

  In the delivery of soft drinks and foods using a three-wheeled scooter, the passengers get off the vehicle at the time of delivery and push backwards. By using the present invention, it is possible to move backward while riding in a vehicle, thereby reducing the driver's fatigue and significantly reducing the delivery time.

  The effect of the present invention is that the application number of Japanese Patent Application No. 2004-350878, a self-propelled three-wheeled scooter for a wheelchair and a motorcycle can be moved backward while riding in a wheelchair, and the range of action of a wheelchair user can be expanded.

  The best mode is to use commercially available scooter parts, and to make new parts by reconsidering capacity shortage and strength, etc. It can also be excellent in strength. Next, one embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a schematic diagram of the present invention, showing the positional relationship of each component. The reverse drive of the present invention is attached to the rear side of the left clutch cover 16 of the engine in the scooter, FIG. As a commercially available scooter drive transmission, a continuously variable transmission using a V-belt 10 and a centrifugal clutch 21 are used, and the structure is generally as shown in FIG.

  When the engine is stopped and idling, the centrifugal clutch 21 does not rotate or rotates at a low speed, so that the clutch outer 4 is not pressed and does not rotate. When the engine rotates at a high speed, the centrifugal clutch 21 spreads and is pressed against the clutch outer 4. 3 and 4, the crankshaft output side 12 of the engine rotates counterclockwise counterclockwise, and the clutch outer 4 also rotates counterclockwise. The counter gear 7 and the counter shaft 23 are rotated to the right by the drive gear 8 of the drive shaft 9 interposed by the clutch outer 4, the final gear 5 is rotated to the left, and the rear tire 13 connected to the final shaft 6 is rotated to the left and moves forward.

  The object of the present invention is to reverse when the vehicle is stopped. The clutch outer 4 is reversely rotated by intentionally rotating the clutch outer 4 to the right. As shown in FIG. 1, the clutch outer 4 having the reverse device clutch outer gear 3 is attached and reversely moved. Install the device pinion gear 2 and the reverse device DC motor 1. Some starter pinion gears used in commercially available scooters have a structure that protrudes when a leftward turning force is applied and returns to the inside when no leftward turning force is applied. A starter pinion gear used in a commercially available scooter is used as the reverse device pinion gear 2. The reverse drive DC motor also uses a starter motor used in a commercially available scooter.

  In the case of the reverse drive, when the reverse drive DC motor 1 is rotated clockwise by the reverse drive pushbutton switch 18, the pinion gear is given a rotational force to the left and protrudes forward 25. FIG. 7 is engaged with the reverse drive clutch outer gear 3. To do. At the same time, the counter gear 7 and the counter shaft 23 are rotated counterclockwise by the drive gear 8 of the connected drive shaft 9 when the clutch outer 4 is rotated clockwise, and the final gear 5 is rotated clockwise and the rear tire 13 connected to the final shaft 6 is rotated clockwise. FIG. 6 goes backward.

Overview of scooter reverse gear Positional perspective view of reverse device in scooter body Scooter V-belt continuously variable transmission perspective view (without reverse gear) Rotational direction relation diagram during travel Reverse gear perspective view during travel (without pinion gear protruding) Reverse rotation direction diagram Reverse view of the reverse gear during travel (with pinion gear protruding)

Explanation of symbols

1 reverse gear DC motor 2 reverse gear pinion gear 3 reverse gear clutch outer gear 4 clutch outer 5 final gear 6 final shaft 7 counter gear 8 drive gear 9 drive shaft 10 drive belt 11 continuously variable transmission 12 crankshaft output side 13 rear tire 14 Frame body 15 Motor and drive unit 16 Belt cover 17 Front tire 18 Reverse device Push button switch 19 Cylinder 20 Motor starter motor 21 Centrifugal clutch 22 Pinion gear does not protrude and does not contact clutch outer gear 23 Countershaft 24 Reverse motor Gear 25 pinion gear protruding and meshing with clutch outer gear

Claims (1)

In a scooter centrifugal clutch having a continuously variable transmission using a V-belt, a clutch outer (sometimes referred to as a clutch housing) connected by a rear wheel and a gear is reversely rotated by power to move the vehicle backward. Reverse gear

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