CN2458225Y

CN2458225Y - Moped

Info

Publication number: CN2458225Y
Application number: CN 00268522
Authority: CN
Inventors: 张海艇
Original assignee: BAISIDE ELECTRIC VEHICLE Co Ltd SHANGHAI
Current assignee: BAISIDE ELECTRIC VEHICLE Co Ltd SHANGHAI
Priority date: 2000-12-28
Filing date: 2000-12-28
Publication date: 2001-11-07
Anticipated expiration: 2010-12-28

Abstract

The utility model relates to an electric and pedal two-purpose bicycle. A crank shaft is connected with a saddle, and an angle of 30 DEG to 60 DEG with the horizontal direction is formed. The saddle is wide and is provided with a backrest, and therefore, force can be added when the backrest is leaned by the back. Additionally, a battery assembly is arranged behind the backrest of the saddle to backwards move the gravity center of the bicycle body, the front load is reduced, and the riding speed is improved. The front part and the lower part of a main beam have enough width and length, and the length range for assembling foot pedals is enlarged. Combined with foot pedals capable of opening and closing, the phenomena of inconvenient riding and inelegance caused by the excessive separation of two legs because the front part of the bicycle frame is too wide are avoided.

Description

But a kind of electric pedal bicycle

The utility model relates to a kind of bicycle, particularly a kind of can electric boosted and pedal double-purpose bicycle.

Traditional bicycle crank pedal is in below-seat, form one 90 degree right-angled triangle between crank shaft and vehicle seat line and the horizontal direction, in order to reduce the friction of buttocks and vehicle seat, vehicle seat can only be made subtriangular, and the total weight of human body can only lean on burst ditch this point position to support, as riding for a long time or riding for a long time, will inevitably cause damage to some position of health.In addition, existing electric assisted bicycle often is arranged on the storage battery combination front portion of triangle girder, make the girder broad, when riding,, and make the pedal of putting pin too short and small because of it takes up space greatlyyer, and two legs must too separate, not only difficultly but also refined inadequately, and Vehicular body front is heavier, hinders riding speed.

The purpose of this utility model is the defective that overcomes above-mentioned prior art, thoroughly changes in the past traditional mode of riding, but provides a kind of riding to sit electric pedal bicycle comfortable and that ride laborsaving, refined, safe.

The utility model structurally mainly comprises handlebar, standpipe, connection car body front and back girder, pedal crank, vehicle seat, bumper and rear wheel support partly, it is characterized in that formed angle is 30 degree～60 degree between the line of pedal crank axis and vehicle seat leading edge and the horizontal direction, described vehicle seat is wide pedestal, and its base is installed in the back segment top of described girder.

Formed angle is preferably 45 degree between the line of described pedal crank axis and vehicle seat and the horizontal direction; The reverse side of the backrest of described vehicle seat is equipped with the storage battery assembly; The both sides of the base of described vehicle seat are fixed with the angle bar of chute before and after the band respectively, and two bearing pins pass described chute respectively, and two ends are fixed by screw, and described rear pin shaft also passes the pin-and-hole of rear shock absorber upper end and captives joint with this bumper; Top rake angle between described vehicle seat seat cushion and horizontal direction is 0 degree～10 degree; Top rake angle between described vehicle seat seat cushion and horizontal direction is preferably 9 degree; But the bending of described girder bottom is equiped with two running-board brackets of the symmetrical distribution of folding, pedal is fixed on this running-board bracket, this two running-board bracket is movably connected on the girder by hinge respectively, and this two running-board bracket links to each other with two retracing springs respectively, and two retracing springs are connected to the handle of handlebar by the proficiency rotation axis; The bending bottom of described girder also is equiped with strut member, and described running-board bracket flexibly connects by hinge and this strut member; Also be provided with analog bracket on the described standpipe, storage tank is fixed on this carriage.

The utility model is pressed the theoretical in-depth design of ergonomics, with the angle that forms between crank shaft and vehicle seat line and horizontal direction, become 30 degree～60 degree by 90 degree, the people is sitting on the expanded letter vehicle seat roomy comfortable, and leaning against can also be afterburning, and the storage battery behind the lazyback moves after making up the center of gravity that makes car body, reduce anterior the heavy burden, the speed that raising is ridden is very favourable, and makes girder front portion and bottom that enough width and length be arranged, and is convenient to install Active foot plate; Also avoided simultaneously the storage battery combination to be placed on the vehicle frame front and two legs too separate when riding.Because it is many that this structure can reduce the vehicle seat position, so center of gravity is low, improved the safety factor of car, also reduced windage, gets on or off the bus easily, be particularly suitable for the elderly and various levels of people rides.

For further specifying structure of the present utility model and function, details are as follows now to enumerate an embodiment and conjunction with figs.:

Fig. 1 is an overall construction drawing of the present utility model;

Fig. 2 is the utility model vehicle seat backsight constructional drawing partly;

Fig. 3 is the partly constructional drawing when pedal is opened of the utility model pedal;

Fig. 4 is the partly constructional drawing when pedal draws in of the utility model pedal.

As shown in Figure 1, the utility model comprises handlebar 1, standpipe 2, connect car body front and back girder 3 partly, pedal crank 7, vehicle seat 8, bumper 13 and rear wheel support 15, the base of its vehicle seat 8 is installed in the back segment top of described girder 3, the line of the leading edge of its pedal crank (7) axis and vehicle seat (8) and the formed angle α of horizontal direction are designed to 45 degree, thereby drawn back the distance between pedal crank and the vehicle seat in the horizontal, so just, vehicle seat (8) can be designed to expanded letter sofa seat, increase the area of contact of human body and vehicle seat, thereby improve bicyclist's comfort, and this seat can be installed backrest 81, the bicyclist is leaning against can also be afterburning, and the reverse side of this backrest 81 also is equipped with storage battery assembly 12, changes the forward type mounting means of storage battery assembly in the past, guarantee that enough length is arranged at the preceding bottom of girder, be convenient to installation activity stretcher, and bicyclist's two legs needn't be striden open, not only save labour but also refined very much.

For guarantee to ride and electric boosted two kinds of situations under comfort, but be equiped with two Active foot plate framves 63 of the symmetrical distribution of folding in the bending bottom of described girder 3, pedal 6 is fixed on this running-board bracket, described two running-board brackets 63 flexibly connect by hinge 61 and girder 3 respectively, and this two running-board bracket also links to each other with two retracing springs 62 respectively, the other end of two retracing springs links to each other with a pull bar 64, and this pull bar 64 is connected with the handle 101 of handlebar 1 by proficiency rotation axis 9.When electric boosted, the bicyclist needn't be pedaled pedal, only needs slightly firmly to hold handle, by manual axis 9 that pull bar 64 is drop-down, pull bar 64 acts on running-board bracket 63 with lower pulling force by retracing spring 62, and pedal is opened, and pin can be stepped on the pedal of opening and easily by electric boosted advancing; When both feet leave pedal, retracing spring 62 can recover buckling states automatically with running-board bracket 63, and can ride with pedal freely this moment.In addition, in order to protect girder 3, also can process the bending bottom that a strut member 65 is sleeved on girder 3, running-board bracket 63 links to each other with described strut member by hinge 61 then, realizes above-mentioned functions equally.

For the bicyclist that meets differing heights to vehicle seat height and angle of inclination demand, distinguish the angle bar 14 of the front and back chute 141,142 of clamping band symmetrical distribution in the both sides of vehicle seat 8 bases, bearing pin 10 and 11 is passed described chute 141 and 142 respectively, after adjusting to the appropriate location, as the top rake angle β between vehicle seat 8 and horizontal surface is 9 when spending, described bearing pin two ends are fixed by screw, and bearing pin 11 also passes the pin-and-hole of bumper 13 upper ends and captives joint simultaneously with this bumper 13.

Also be welded with the analog bracket 4 of storage tank 5 in addition on the standpipe 1,, avoid storage tank to rock with leading wigwag motion in order to fixing storage tank.

The foregoing description only in order to explanation the utility model, but is not limited to this embodiment.Thereby the variation of any thin portion of in claim of the present utility model institute restricted portion, the utility model being done, category all of the present utility model due to.

Claims

1. but electric pedal bicycle, comprise handlebar (1), standpipe (2), connect car body front and back girder (3) partly, pedal crank (7), vehicle seat (8), bumper (13) and rear wheel support (15), it is characterized in that pedal crank axis (7) and the line and the formed angle α of horizontal direction of vehicle seat (8) leading edge are 30 degree～60 degree, described vehicle seat (8) is wide pedestal, and its base is installed in the back segment top of described girder (3).

2. but electric pedal bicycle according to claim 1 is characterized in that described α angle is 45 degree.

3. but electric pedal bicycle according to claim 1 is characterized in that the reverse side of the backrest (81) of vehicle seat (8) is equipped with storage battery assembly (12).

4. but electric pedal bicycle according to claim 1, it is characterized in that the both sides of described vehicle seat (8) base are fixed with the angle bar (14) of band front and back chute (141), (142) respectively, bearing pin (10) and (11) are passed described chute (141) and (142) respectively, these two bearing pins two ends are fixed by screw, and bearing pin (11) also passes the pin-and-hole of rear wheel support (13) and captives joint with this rear wheel support (13).

5. but electric pedal bicycle according to claim 4 is characterized in that the top rake angle β between vehicle seat (8) and horizontal direction is 0 degree～10 degree.

6. but electric pedal bicycle according to claim 5 is characterized in that the top rake angle β between described vehicle seat (8) and horizontal direction is 9 degree.

7. but electric pedal bicycle according to claim 1, it is characterized in that described girder (3) but bending bottom be equiped with two running-board brackets (63) of the symmetrical distribution of folding, pedal (6) is fixed on this running-board bracket, described two running-board brackets (63) are movably connected on the girder (3) by hinge (61) respectively, and this two running-board bracket links to each other with two retracing springs (62) respectively, the other end of described retracing spring links to each other with a pull bar (64), and this pull bar (64) is connected to the handle (101) of handlebar (1) by proficiency rotation axis (9).

8. but electric pedal bicycle according to claim 7 is characterized in that the bending bottom of described girder (3) is equiped with strut member (65), and described running-board bracket (63) flexibly connects by hinge (61) and this strut member (65).

9. but electric pedal bicycle according to claim 1 is characterized in that also being provided with analog bracket 4 on the described standpipe (1), and storage tank 5 is fixed on this carriage.