CN1420050A

CN1420050A - Pedal of co-rider for pedal two-wheeled motorcycle

Info

Publication number: CN1420050A
Application number: CN02149465.7A
Authority: CN
Inventors: 冈田直树
Original assignee: Yamaha Motor Co Ltd
Current assignee: Yamaha Motor Co Ltd
Priority date: 2001-11-20
Filing date: 2002-11-19
Publication date: 2003-05-28
Anticipated expiration: 2022-11-19
Also published as: CN1226161C; TW568860B; TW200300399A; JP2003154982A

Abstract

To provide a pillion step structure for a scooter type motorcycle capable of giving a control touch when operating a pillion step for opening and closing with a compact structure and capable of easily putting the pillion step in/out with a foot. In a scooter type motorcycle with the structure wherein a pair of pillion steps 47 for a fellow passenger are arranged in both sides of a car body under a seat, each pillion step 47 is turnably supported and possible to be put in/out of a recessed part 12a formed in a car body. A torsion spring 53 is arranged on a surface parallel with a pillion step turning surface provided in a lower side of the pillion step 47, and the torsion spring 53 gives a control touch when operating the pillion step 47 for opening and closing.

Description

The co-driver stretcher of pedal-type two-wheel motorcycle

Technical field

The co-driver of the pedal-type two-wheel motorcycle that the present invention relates to co-driver is disposed at the car body both sides of below-seat with the stretcher of pair of right and left and constitute is with the structure of stretcher.

Background technology

For example in having the double pedal-type two-wheel motorcycle of serially connected vehicle seat, car body both sides below vehicle seat dispose the stretcher of pair of right and left, be used for making under steam the double-legged placed on it of co-driver, the type of this stretcher has fixed type and can take in or stretch out in the formula of pulling down of the last depressed parts that form such as leg guard.

Pull the formula co-driver down and extract out from depressed part in use, and in time spent not with stretcher, for it is had no relations with its income depressed part.

Yet, do not use the formula of pulling down the co-driver stretcher of loading spring, when making it open or take in the appropriateness sense bad, be difficult to it is pulled out without hand, have awkward problem.

In addition, give the co-driver coil spring of the operation of stretcher, then except this coil spring lacks reliability, also have the problem of aesthetic appearance difference with the appropriateness sense as use.

Summary of the invention

The present invention finishes in view of the above problems, its purpose is to provide the structure of the co-driver of pedal-type two-wheel motorcycle with stretcher, can give co-driver by compact design and feel with appropriateness, thereby can only just can easily pack up or open this co-driver stretcher with pin with the operation of stretcher.

For reaching above-mentioned purpose, first scheme of the present invention is for constituting pedal-type two-wheel motorcycle with co-driver with the car body both sides that the stretcher of pair of right and left is disposed at below-seat, it is characterized by: above-mentioned each co-driver is supported with freely rotating with stretcher, and can take in or stretch out in the depressed part that forms in above-mentioned car body both sides, simultaneously, employing is disposed torsion spring at this co-driver with on below the stretcher and the face that plane of rotation this stretcher parallels, gives co-driver with the opening and closing operations of the stretcher structure with the appropriateness sense by this torsion spring.

Being characterized as of alternative plan of the present invention, the above-mentioned torsion spring in first scheme be configured in make its towards make above-mentioned co-driver with stretcher away from as the direction of the revolution intermediate point of its neutral on the position of its loading.

Like this, according to first scheme of the present invention, the torsion spring that adopts flats is as giving the co-driver mechanism of the opening and closing operations of stretcher with the appropriateness sense, and this co-driver is configured in co-driver with on stretcher below and the face that the plane of rotation of this stretcher parallels with stretcher, therefore, can realize that giving co-driver by compact design feels with appropriateness with the opening and closing operations of stretcher, can only just can easily pack up or open this co-driver stretcher with pin.

According to alternative plan of the present invention, co-driver with stretcher by torsion spring to it is loaded away from the either direction as the revolution intermediate point of its neutral, therefore, this switching (pack up or open) operation is given effectively with the appropriateness sense.

Description of drawings

Fig. 1 is the lateral plan of pedal-type two-wheel motorcycle.

Fig. 2 is the latter half of left view of pedal-type two-wheel motorcycle.

Fig. 3 is the view of expression co-driver with the arrow A direction among Fig. 2 of the collapsed state of stretcher.

Fig. 4 is the view of expression co-driver with the arrow A direction among Fig. 2 of the open mode of stretcher.

Fig. 5 is the B-B line section-drawing among Fig. 3.

The specific embodiment

Below, based on the structure of description of drawings co-driver of the present invention with stretcher.

Fig. 1 is the lateral plan with co-driver with the double pedal-type two-wheel motorcycle 1 of stretcher structure of the present invention, and among the figure, vertical tube of front fork 2 is positioned at the top, car body the place ahead of pedal-type two-wheel motorcycle 1, inserts with freely rotating in this vertical tube of front fork 2 and is installed with Steering gear 3.In addition, the upper end of this Steering gear 3 is equipped with bogie car 4, and links to each other with front fork 5 with the lower end of Steering gear 3, and in the lower end of this front fork 5, axle is supported with front-wheel 6 with freely rotating.

In addition, down pipe 7 is from above-mentioned vertical tube of front fork 2, earlier after the rear vehicle direction is extended downwards sideling, be bent to roughly towards the car body direction again and be the level of state, this down pipe 7 is divided into the rear pole 8 of pair of right and left and up extends sideling towards rear vehicle and is provided with midway.

The above-mentioned vertical tube of front fork 2 of Vehicular body front, down pipe 7 etc. are covered by resinous front truck cover 9, this front truck cover 9 latter half of by being that resinous leg protection cover 10 constitutes equally.

And, at above-mentioned bogie car 4 rear is provided with serially connected vehicle seat 11, between this vehicle seat 11 and bogie car are 4, be provided with the lower low type pedal position 13 that forms by leg guard 12 apart from ground.And in the space below this pedal position 13, dispose Fuel Tank 14.

In addition, be arranged at the rear of above-mentioned pedal position 13, the below of above-mentioned vehicle seat 11 as the one oscillating engine 15 of engine installation.

Above-mentioned one oscillating engine 15 is disposed at the left side of car body, it is by will be as the driving engine 16 of drive source and the transmission gearbox 17 of icon is integrated and constitute, transmission gearbox 17 wherein is made of built-in V-belt formula automatic speed variator and speed reduction gearing, it stretches to the car body rear from the car body left side of driving engine 16, and place, its rear end axle with freely rotating is supported with trailing wheel 18.The top of transmission gearbox 17 is equipped with air cleaner 19, and the air inlet pipe 20 that extends to car body the place ahead from this air cleaner 19 is connected with the air system of above-mentioned driving engine 16, and it is provided with carburettor 21 midway.

One oscillating engine 15 with above structure swings up and down via connecting rod mechanism 23 and is bearing in freely on the engine suspension support 22 that is fixed in above-mentioned rear pole 8, and its rear end is supported on rear pole 8 with trailing wheel 18 via rear shock absorber 24.

On the other hand, the position below below the vehicle seat 11 of car body is covered by resin system car body cover 25, and, above the above-mentioned one oscillating engine 15 in this car body cover 25, dispose the baggage container 26 of top opening, it is installed in rear pole 8 via the cross member 27,28 of front and back.This baggage container 26 traverses the total length of vehicle seat 11, guarantees that it has high capacity, and its inside can be accommodated semisphere helmet H1 and full screening formula helmet H2 as shown in the figure simultaneously.And, being supported with vehicle seat 11 on this baggage container 26, vehicle seat 11 is that turning down comes the above-mentioned baggage container of switch 26 on the center with the hinge 29 of its front end.In addition, about rear pole 8 on, outside above-mentioned cross member 27,28, also set up cross member 30, and on cross member 27,28, bale handle 31 be installed.

Pedal-type two-wheel motorcycle 1 in the present embodiment, in the space that above-mentioned front truck cover 9 and leg protection cover 10 by Vehicular body front surround, dispose the auxiliary fuel tank 32 of low capacity in the left side of above-mentioned vertical tube of front fork 2, this auxiliary fuel tank 32 links to each other with above-mentioned high capacity fuel tank 14 via having flexible fuel hose 33.

Below above-mentioned vehicle seat 11, dispose petrolift 43 near the leading section of the above-mentioned baggage container 26 that covers by car body cover 25, it is installed on above-mentioned cross member 30 via not shown support.Be connected with the flexible pipe 44 that extends the band negative pressure of coming by the air system of driving engine 16 on this petrolift 43, the pulsed drive that this petrolift 43 is pressed by air inlet is boosted after supply with above-mentioned carburettor 21 for forming the mixture gas use by fuel hose 46 via the fuel in the fuel hose 45 attraction Fuel Tanks 14 and with it.In addition, the mixture gas that forms at carburettor 21 places supplies to the driving engine 16 of one oscillating engine 15 for the burning use.

Be elaborated based on the structure of the co-driver among 5 couples of the present invention of accompanying drawing 2-accompanying drawing below with stretcher.Fig. 2 is the latter half of left view of pedal-type two-wheel motorcycle, and Fig. 3 and Fig. 4 are the view of expression co-driver with the arrow A direction among Fig. 2 of the open and-shut mode of stretcher, and Fig. 5 is the section-drawing along the B-B line among Fig. 3.

As shown in Figure 2, the above-mentioned leg guard 12 that forms pedal position 13 is provided with towards the car body rear extension, and extend up to the below of vehicle seat 11, rearward end about it is formed with depressed part 12a (Fig. 2 only illustrates a wherein side), turns round the formula of pulling down the co-driver stretcher 47 that is provided with pair of right and left in two depressed part 12a respectively comfortablely.

Above-mentioned co-driver is pedal positions of using with the occupant who takes advantage of a car with stretcher 47, it be the revolution at center with axis of revolution 48, can make among the above-mentioned depressed part 12a of its income or stretch out outside it, its structure is shown in Fig. 3-5.In addition, Fig. 3-5 structure that a side's (left side) co-driver is shown with stretcher, the opposing party's (right side) structure is identical with it, omits its diagram and explanation here.

As shown in Figure 5, the outside portion of above-mentioned back vaulting pole 8 is welded with metal bracket 49, is welded with metal sleeve 50 on this carriage 49, and wherein, the direction of the through hole of this sleeve 50 is an above-below direction.

Co-driver erectly is provided with above-mentioned axis of revolution 48 with the leading section of stretcher 47 by casting process, this axis of revolution 48 passes above-mentioned sleeve 50 from the top, it protrudes in the end of the below of sleeve 50, screwed togather nut 51, whereby, make co-driver with stretcher 47 by being the revolution at center with axis of revolution 48, the depressed part 12a of income leg guard 12 or stretch out outside it.

In addition, co-driver is formed with groove 47a with the leading section of stretcher 47 in the angular range of appointment, and the two ends of this groove 47a are formed with the mating groove 47b that overlooks semicircular in shape, 47c.

On the other hand, on above-mentioned carriage 49, be formed with stop pin 52, this stop pin 52 is towards above-mentioned groove 47a, co-driver uses stretcher 47 at above-mentioned mating groove 47b formed thereon, be center steering with axis of revolution 48 in 47c and the angular range till stop pin 52 contacts, make the depressed part 12a of its income leg guard 12 or stretch out outside it.

In addition, as shown in Figure 3 and Figure 4, with below the stretcher 47, this co-driver is with being provided with torsion spring 53 in the space between the depressed part 12a of the following and leg guard 12 of stretcher 47 at co-driver.The effect of this torsion spring 53 is to give the switching of co-driver with stretcher 47 (pack up and open) with the appropriateness sense.It is positioned at co-driver with on the plane of rotation of stretcher 47, and, it is configured to: is neutral (with reference to Fig. 4) with co-driver with the revolution intermediate point of stretcher 47, go up to its loading with the direction [that is to say arrow a direction (packing up direction) among Fig. 3 and arrow b direction (opening direction)] that stretcher 47 leaves neutral at co-driver.

And, for example when pedal-type two-wheel motorcycle 1 is parked etc., when not using co-driver with stretcher 47, with about co-driver take in the depressed part 12a of leg guard 12 as shown in Figure 3 with stretcher 47.At this moment, co-driver matches with banking pin 52 with a side's of stretcher 47 mating groove 47b, makes co-driver keep its collapsed state with stretcher 47.

When pedal-type two-wheel motorcycle 1 is taken 2 people, as shown in Figure 3, co-driver only need be sitting on the vehicle seat 11, this co-driver among the depressed part 12a that is contained in leg guard 12 about direction makes outside car body with pin turns round with stretcher 47, can make it is the center with axis of revolution 48, overcoming torsion spring 53 outwards turns round the resistance of packing up direction (arrow a direction) that it applies, after passing through neutral, the load of opening direction (arrow b direction) of torsion spring 53 makes its revolution again and stretches out from depressed part 12a, as shown in Figure 4, when its mating groove 47c cooperated with banking pin 52, it reversed and promptly is prevented from.Co-driver about making in this way stretches out with stretcher 47, can make occupant's both feet ride over the co-driver that stretches out of the right and left with on the stretcher 47.

And stop at pedal-type two-wheel motorcycle 1, co-driver is got off, when not re-using this co-driver with stretcher 47, co-driver only need be sitting on the vehicle seat 11, to body inner side this co-driver is turned round with pin with stretcher 47, can make it is the center with axis of revolution 48, overcoming torsion spring 53 inwardly turns round the resistance of opening direction (arrow b direction) that it applies, after passing through neutral, as shown in Figure 3, the load of packing up direction (arrow a direction) of torsion spring 53 makes its revolution again and is contained in the depressed part 12a, and this moment, co-driver cooperated with banking pin 52 with the mating groove 47b of stretcher 47, thereby this co-driver is kept with the state of accommodating of stretcher 47.

As mentioned above, according to present embodiment, the torsion spring 53 that adopts flats is as giving the mechanism of the switching of co-driver with stretcher 47 (pack up and open) operation with the appropriateness sense, and it is configured on the face that co-driver is 47 belows with stretcher with plane of rotation this stretcher parallels, therefore, can realize that giving co-driver by compact design feels with appropriateness with the opening and closing operations of stretcher 47, can only just can easily pack up or open this co-driver stretcher 47 with pin.

In addition, co-driver with stretcher 47 by torsion spring 53 to loading with regard to the either direction (packing up and open direction) with regard to the revolution intermediate point of its neutral, therefore, this switching (pack up or open) operation is given effectively with the appropriateness sense.

Can understand by above explanation, according to the present invention, above-mentioned each co-driver of the pedal-type two-wheel motorcycle that is made of with stretcher the co-driver in the car body both sides of below-seat configuration pair of right and left is supported with freely rotating with stretcher, and can take in or stretch out in the depressed part that forms in above-mentioned car body both sides, simultaneously, owing to adopt at this co-driver and dispose torsion spring with on below the stretcher and the face that plane of rotation this stretcher parallels, give the co-driver structure of the opening and closing operations of stretcher by this torsion spring with the appropriateness sense, make that giving co-driver by compact design becomes possibility with the opening and closing operations of stretcher with the appropriateness sense, thereby can obtain only just can easily pack up or open the effect of this co-driver usefulness stretcher with pin.

Claims

1. the co-driver stretcher of a pedal-type two-wheel motorcycle, in the pedal-type two-wheel motorcycle that co-driver is disposed at the car body both sides of below-seat with the stretcher of pair of right and left and constitutes, it is characterized by: described each co-driver is supported with freely rotating with stretcher, and can take in or stretch out in the depressed part that forms in above-mentioned car body both sides, simultaneously, dispose torsion spring at this co-driver with on below the stretcher and the face that plane of rotation this stretcher parallels, give co-driver by this torsion spring and feel with appropriateness with the opening and closing operations of stretcher.

2. the co-driver stretcher of the pedal-type two-wheel motorcycle described in claim 1 is characterized by: described torsion spring be configured in make its towards make described co-driver with stretcher away from as the either direction of the revolution intermediate point of its neutral on the position of its loading.