CN85204312U

CN85204312U - Front-and rear-wheel driven bicycle

Info

Publication number: CN85204312U
Application number: CN 85204312
Authority: CN
Inventors: 高有义
Original assignee: Individual
Current assignee: Individual
Priority date: 1985-10-21
Filing date: 1985-10-21
Publication date: 1986-07-23

Abstract

The utility model discloses a front and rear wheels driven bicycle which is improved by adding a driving mechanism on a well-known bicycle. The driving mechanism of the front wheel comprises a movable handle bar, a crank link mechanism and a post rolling ratchet mechanism. Because the motive power can be provided by hands when the bicycle is driven, the movable handle bar can swing up and down, and the front wheel can be rotated through a drive mechanism and the driving force can be generated. The front and the rear wheels can be driven simultaneously and can also be driven singly, the hands and legs can be moved in alternation in the process of running, and the goal of exercising the whole body can be attained. Compared with the well-known bicycle, the weight of the utility model only can be increased 1 kilogram, and the cost can be increased 15 yuan, having easy operation.

Description

front-and rear-wheel driven bicycle

The utility model relates to a kind of front and back two-wheel driving bicycle, belongs to the improvement of known bicycle.

Known bicycle is to drive trailing wheel by people's both feet by transmission device to advance, and can only temper people's both legs.Task of the present utility model is a kind of front and back of design two-wheel driving bicycles, except that available both feet driving trailing wheel advances, also can drive front-wheel by transmission device by arm and advance.

Task of the present utility model is achieved in that and repacks known bicycle handle bar into left and right two barres (1,2), links to each other the moveable cart handle that composition can swing up and down around bolster (6) with supporting sleeve (3) by bolster (6); Left and right sides barre (1,2) links to each other with front-wheel (42) by connecting rod (45), crank (27), front axle (23) respectively, and composition can swing up and down left and right barre (1,2) and change the transmission device that front-wheel (42) rotates into; Front fork (41) links to each other with front axle (23) by supporting retaining (37), forms front axle (23) supporting device of front fork (41) rotation relatively.Remainder is all identical with known bicycle.

This front and back two-wheel driving bicycle can be by front-wheel or trailing wheel independent drive, but also two-wheeled drives simultaneously, increasing propulsive effort, this bear a heavy burden, particularly useful when going up a slope.If as a kind of physical training utensil, then can make arm and leg while or alternating movement, thereby reach the purpose of whole body exercise.

The utility model has following accompanying drawing:

Fig. 1 front-wheel drive system scheme drawing

Fig. 2 moveable cart is scheme drawing

Fig. 3 barre connection diagram

Fig. 4 connecting rod scheme drawing

Fig. 5 crank scheme drawing

Axial section before Fig. 6

Fig. 1 has provided an embodiment of the utility model front-wheel drive system.Moveable cart is being made up of left barre (1) and right barre (2) two parts, and left and right barre (1,2) is enclosed within on the bolster (6), can swing up and down around it (referring to Fig. 2).Bolster (6) welds or with being threaded on the supporting sleeve (3), left and right barre (1,2) is by steel ball (7), middle retaining (8), outer retaining (9), nut (10) supporting, location.

Left and right barre (1,2) links to each other with front-wheel (42) by connecting rod (45), crank (27), front axle (23) respectively, and composition can swing up and down left and right barre (1,2) and change the transmission device that front-wheel (42) rotates into.Connecting rod (45) one ends are enclosed within on the barre (1,2), and the other end links to each other with crank (27).Connecting rod (45) can be a straight-bar, but the bar linkage structure that Fig. 4 provides can adapt to the variation of angle in the cycle racing preferably.This connecting rod is made up of drag link sleeve (14), nut (15,16), bulb guide (17), ball end (18), nut (19), pull bar (20).

Fig. 5 is the crank scheme drawing.Crank (27) one ends are enclosed within on the front axle (23), are fixed by pin (24), pad (25), nut (26); The other end links to each other with pull bar (20) by bearing pin (30), nut (28), outer retaining (29), steel ball (31).

Fig. 6 is preceding axial section.Rotate in order to make the middle front axle of advancing both can drive front-wheel (42), produce propulsive effort, can separate with front axle skin (21) again, therefore front axle is designed to a kind of ratchet shaft (23), link to each other with front-wheel (42) by roller (22), front axle skin (21).Ratchet shaft (23) two ends are equipped with preceding bowl (38), steel ball (36), supporting retaining (37), preceding axle bumper (35), pad (34), nut (33) respectively.Supporting retaining (37) is enclosed within on the front axle (23), by preceding bowl (38), steel ball (36), preceding axle bumper (35) supporting, location (referring to Fig. 1).

Front fork (41) links to each other with front axle (23) by supporting retaining (37), forms front axle (23) supporting device of front fork (41) rotation relatively.Supporting retaining (37) links to each other with front fork (41) by bolt (39), spring chair (40).

Bicycle of the present utility model remainder except above improvement is all identical with known bicycle. Compare with known bicycle, weight only increases about 1 kilogram, and cost increases about 15 yuan, therefore implements easily.

Claims

1, a kind of front and back two-wheel driving bicycle mainly is made up of handlebar (1,2), supporting sleeve (3), vehicle frame (44), wheel, axletree etc.Feature of the present utility model is that left and right barre (1,2) links to each other the moveable cart handle that composition can swing up and down around bolster (6) by bolster (6) with supporting sleeve (3); Left and right barre (1,2) links to each other with front-wheel (42) by connecting rod (45), crank (27), front axle (23) respectively, and composition can swing up and down left and right barre (1,2) and change the transmission device that front-wheel (42) rotates into; Front fork (41) links to each other with front axle (23) by supporting retaining (37), forms front axle (23) supporting device of front fork (41) rotation relatively.

2, according to the bicycle of claim 1, it is characterized in that bolster (6) welding or with being threaded on the supporting sleeve (3), left and right barre (1,2) is enclosed within on the bolster (6), by steel ball (7), middle retaining (8), outer retaining (9), nut (10) supporting, location; Connecting rod (45) is made up of drag link sleeve (14), nut (15,16), bulb guide (17), ball end (18), nut (19), pull bar (20); Crank (27) one ends are enclosed within on the front axle (23), link to each other with front axle (23) by pin (24), pad (25), nut (26), and the other end links to each other with pull bar (20) by bearing pin (30), nut (28), outer retaining (29), steel ball (31).

3, according to the bicycle of claim 1 or 2, it is characterized in that front axle (23) is a ratchet shaft, ratchet shaft (23) links to each other with front-wheel (42) by roller (22), front axle skin (21), and ratchet shaft (23) two ends are equipped with nut (33), pad (34) preceding axle bumper (35), steel ball (36), preceding bowl (38) and supporting retaining (37) respectively; Supporting retaining (37) links to each other with front fork (41) by bolt (39), spring chair (40).