CN201338687Y

CN201338687Y - Leisure body-building bicycle

Info

Publication number: CN201338687Y
Application number: CNU200920066839XU
Authority: CN
Inventors: 于福忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-01-13
Filing date: 2009-01-13
Publication date: 2009-11-04
Anticipated expiration: 2019-01-13

Abstract

The utility model relates to a bicycle, in particular to a leisure body-building bicycle which is carried conveniently and is suitable for body building and outdoor sports. The purposed of the utility model is that a leisure body-building bicycle which is carried conveniently and integrates body-building, riding instead of walk and entertainment into one body is provided, thereby providing a novel and special riding way, that is, stand-type riding, so as to excise the [arts such as waist and legs when in riding. Two independent driving mechanisms are arranged, when one driving mechanism has a problem, the other driving mechanism can be continuously used for carrying out riding instead of walk continuously. The leisure body-building bicycle is composed of a bicycle frame, a rear wheel, a front wheel, a driving mechanism, a transmission mechanism, a speed changing mechanism, a chain, handles and a brake mechanism; the leisure body-building bicycle is characterized in that: the driving mechanism is composed of two footboards, two foot stepping handles, two chain wheel driving shafts and two chain wheels for forming left and right driving mechanisms which are independent and are symmetrically arranged at two sides of the driving mechanism.

Description

A kind of leisure body-building vehicle

Technical field

The utility model relates to a kind of bicycle, especially a kind of leisure body-building vehicle that is convenient for carrying and is applicable to body-building, outdoor exercises.

Background technology

In China, bicycle is topmost walking-replacing tool for a long time always.Because the raising of expanding economy, people's living standard, the quantity of self-propelled vehicle constantly increases in the city, and traffic also becomes and more and more blocks up.Common bicycle is because car body is bigger, and weight is heavier, and in the traffic environment of urban road congestion, it is comparatively inconvenient to travel.And ordinary bicycle, function singleness only serves as the vehicle.

The utility model content

In order to overcome the above-mentioned weak point of prior art, the purpose of this utility model provide a kind ofly integrate body-building, ride instead of walk, amusement, and the leisure body-building vehicle that is convenient for carrying.The utility model reduces the car body volume by reducing cycle wheel wheel footpath; And a kind of novelty, the unique mode that drives are provided, promptly stand-type driving can be tempered positions, many places such as waist, shank in by bike.

The utility model is achieved in that a kind of leisure body-building vehicle, is made up of vehicle frame 1, trailing wheel 2, front-wheel 3, driver train 4, transmission device 5, speed-changing mechanism 6, chain 7, handgrip and braking mechanism; It is characterized in that: described driver train 4 is by two tread plates 41, two step handles 42, two chain wheel axle drive shafts 43, two chain wheels 44 independently left and right driving mechanism 4 that partners separately, and is installed in the both sides of transmission device 5 symmetrically.

Described two chain wheel axle drive shafts 43 are individually fixed in the left and right sides of transmission device 5 bottoms by axle sleeve and axle bed, and two chain wheels 44 are fixed in respectively on the left and right chain wheel axle drive shaft 43; Each chain wheel axle drive shaft 43 is provided with a torsion spring, and the torsion spring bipod is individually fixed on the shell of chain wheel 44 and driver train 4; Described tread plate 41 rotatably connects with chain wheel axle drive shaft 43 by step handle 42.

Described transmission device 5 by housing 51, a pair of flywheel 52, upper limit axle 53, cog 54, lower gear 55, sprocket shaft 56, sprocket wheel 57, lower limit bar 58 form; Described upper limit axle 53 passes two walls on housing 51 tops, and movable fixing by two axle sleeves; Described sprocket shaft 56 1 ends pass housing 51 outer walls, and are connected with sprocket wheel 57; The other end is movable fixing by axle sleeve and axle bed; Between upper limit axle 53 and the sprocket shaft 56 by cog 54 and lower gear 55 engagement connect; A pair of flywheel 52 is arranged on the two ends, the outside of the housing 51 of upper limit axle 53, and connects with the chain wheel 44 of driver train 4 by messenger chain.Described housing 51 end portions pass position-limited lever 58.

Described upper limit axle 53 is longer than the length sum of left and right chain wheel axle drive shaft 43.

Described speed-changing mechanism 6 is made up of gear shift flywheel group 61, idler 62, connecting bridge 63; Described gear shift flywheel group 61 is installed on the wheel shaft of trailing wheel 2; Described connecting bridge 63 1 ends are installed on the vehicle frame 1, and the other end is equipped with idler 62; Described gear shift flywheel group 61, idler 62, connecting bridge 63 are chained together by chain 7; Described gear shift flywheel group 61 is made up of N flywheel, wherein N 〉=1.

Can on vehicle frame 1, install cushion additional, make long-range travel more comfortable.

Described trailing wheel 2 and front-wheel 3 adopt the wheel of 8-22 inch.

The beneficial effects of the utility model are: be provided with two independent driving mechanisms, when wherein some driver trains go wrong, still can utilize another independent driving mechanisms, continue to finish the function of riding instead of walk.Compare common bicycle, adopted littler wheel footpath and removed the cushion part.Littler wheel footpath can make wheels weight be alleviated, and controls alerting ability to obtain better handlebar, more helps tackling the traffic environment of urban road congestion.On the other hand, remove cushion and adopted the stand-type mode that drives, can more temper many places muscle such as waist, shank, especially be fit to young friend.

Description of drawings

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

Fig. 2 is the scheme drawing of the utility model driving and running part;

Fig. 3 is the scheme drawing of the utility model embodiment 1;

Fig. 4 is the scheme drawing of the utility model embodiment 2.

Specific embodiment

Embodiment 1

Referring to accompanying drawing 1, the utility model is made up of vehicle frame 1, trailing wheel 2, front-wheel 3, driver train 4, transmission device 5, speed-changing mechanism 6, chain 7, handgrip and braking mechanism; Referring to Fig. 2, described driver train 4 is by two tread plates 41, two step handles 42, two chain wheel axle drive shafts 43, two chain wheels 44 independently left and right driving mechanism 4 that partners separately, and is installed in the both sides of transmission device 5 symmetrically.Described two chain wheel axle drive shafts 43 are individually fixed in the left and right sides of transmission device 5 bottoms by axle sleeve and axle bed, and two chain wheels 44 are fixed in respectively on the left and right chain wheel axle drive shaft 43; Each chain wheel axle drive shaft 43 is provided with a torsion spring, and the torsion spring bipod is individually fixed on the shell of chain wheel 44 and driver train 4; Described tread plate 41 rotatably connects with chain wheel axle drive shaft 43 by step handle 42.Described transmission device 5 by housing 51, a pair of flywheel 52, upper limit axle 53, cog 54, lower gear 55, sprocket shaft 56, sprocket wheel 57, lower limit bar 58 form; Described upper limit axle 53 passes two walls on housing 51 tops, and movable fixing by two axle sleeves; Described sprocket shaft 56 1 ends pass housing 51 outer walls, and are connected with sprocket wheel 57; The other end is movable fixing by axle sleeve and axle bed; Between upper limit axle 53 and the sprocket shaft 56 by cog 54 and lower gear 55 engagement connect; A pair of flywheel 52 is arranged on the two ends, the outside of the housing 51 of upper limit axle 53, and connects with the chain wheel 44 of driver train 4 by messenger chain.Described housing 51 end portions pass position-limited lever 58.Described upper limit axle 53 is longer than the length sum of left and right chain wheel axle drive shaft 43.Described speed-changing mechanism 6 is made up of gear shift flywheel group 61, idler 62, connecting bridge 63; Described gear shift flywheel group 61 is installed on the wheel shaft of trailing wheel 2; Described connecting bridge 63 1 ends are installed on the vehicle frame 1, and the other end is equipped with idler 62; Described gear shift flywheel group 61, idler 62, connecting bridge 63 are chained together by chain 7; Described gear shift flywheel group 61 is made up of N flywheel, wherein N 〉=1.Can on vehicle frame 1, install cushion additional, make long-range travel more comfortable.

When using the utility model, the user stands on two pedals of both sides.By tread plate 41 is applied certain power, drive driver train 4 runnings.Be specially: after tread plate 41 is subjected to certain force, drive chain wheel 44 rotations thereby drive chain wheel axle drive shaft 43 by step handle 42; Described chain wheel 44 drives flywheel 52 by messenger chain and rotates; Flywheel 52 drives by upper limit axle 53 and cogs 54; The lower gear 55 that 54 drives that cog are engaged with; Lower gear 55 drives sprocket wheel 57 by connecting wheel shaft 56; Referring to accompanying drawing 1, sprocket wheel 57 is by chain 7 speed-changing mechanism 6 that is in transmission connection, and drives trailing wheel 2, promptly drives bicycle running.Owing to be provided with torsion spring on the chain wheel axle drive shaft 43 of driver train 4, when the power on being pressed on tread plate 41 was removed, step handle 42 will be got back to the A position among Fig. 3.

Referring to Fig. 3, on the housing 51 of transmission device 5, be respectively equipped with upper limit axle 53, lower limit bar 58; Described upper limit axle 53, lower limit bar 58 have played the restriction to step handle 42 slewing areas, and the slewing area of promptly described step handle 42 is limited in nearly 180 ° of A → B among Fig. 3.

Embodiment 2

Referring to Fig. 4, the utility model can install cushion additional on the basis of embodiment 1, is more suitable for stroke user far away.

Claims

1, a kind of leisure body-building vehicle is made up of vehicle frame (1), trailing wheel (2), front-wheel (3), driver train (4), transmission device (5), speed-changing mechanism (6), chain (7), handgrip and braking mechanism; It is characterized in that: described driver train (4) is by two tread plates (41), two step handles (42), two chain wheel axle drive shafts (43), two chain wheels (44) the independently left and right driving mechanism (4) that partners separately, and is installed in the both sides of transmission device (5) symmetrically.

2, a kind of leisure body-building vehicle according to claim 1 is characterized in that: described two chain wheel axle drive shafts (43) are individually fixed in the left and right sides of transmission device (5) bottom by axle sleeve and axle bed; Two chain wheels (44) are fixed in respectively on the left and right chain wheel axle drive shaft (43), and each chain wheel axle drive shaft (43) is provided with a torsion spring, and the torsion spring bipod is individually fixed on the shell of chain wheel (44) and driver train (4); Described tread plate (41) rotatably connects with chain wheel axle drive shaft (43) by step handle (42).

3, a kind of leisure body-building vehicle according to claim 1 is characterized in that: described transmission device (5) is made up of housing (51), a pair of flywheel (52), upper limit axle (53), cog (54), lower gear (55), sprocket shaft (56), sprocket wheel (57), lower limit bar (58); Described upper limit axle (53) passes two walls on housing (51) top, and movable fixing by two axle sleeves; Described sprocket shaft (56) one ends pass housing (51) outer wall, and are connected with sprocket wheel (57); The other end is movable fixing by axle sleeve and axle bed; Connect by (54) and lower gear (55) engagement that cogs between upper limit axle (53) and the sprocket shaft (56); A pair of flywheel (52) is arranged on the two ends, the outside of the housing (51) of upper limit axle (53), and connects with the chain wheel (44) of driver train (4) by messenger chain; Described housing (51) end portion passes position-limited lever (58).

4, a kind of leisure body-building vehicle according to claim 3 is characterized in that: described upper limit axle (53) is longer than the length sum of left and right chain wheel axle drive shaft (43).

5, a kind of leisure body-building vehicle according to claim 1 is characterized in that: described speed-changing mechanism (6) is made up of gear shift flywheel group (61), idler (62), connecting bridge (63); Described gear shift flywheel group (61) is installed on the wheel shaft of trailing wheel (2); Described connecting bridge (63) one ends are installed on the vehicle frame (1), and the other end is equipped with idler (62); Described gear shift flywheel group (61), idler (62), connecting bridge (63) are chained together by chain (7); Described gear shift flywheel group (61) is made up of N flywheel, wherein N 〉=1.

6, a kind of leisure body-building vehicle according to claim 1 is characterized in that: install the cushion part additional on described vehicle frame (1).

7, a kind of leisure body-building vehicle according to claim 1 is characterized in that: the wheel footpath of described trailing wheel (2) and front-wheel (3) is at the 8-22 inch.