CN2474447Y

CN2474447Y - Bicycle

Info

Publication number: CN2474447Y
Application number: CN01209134U
Authority: CN
Inventors: 葛志凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-03-16
Filing date: 2001-03-16
Publication date: 2002-01-30
Anticipated expiration: 2011-03-16

Abstract

The utility model discloses a bicycle, which comprises a carriage, a front wheel, a back wheel and a handle bar, and is characterized in that a fixed plate is arranged on the lower of the carriage, a foot crutch is arranged on the fixed plate, one end of the foot crutch is articulated with a spring expansion sleeve, a spring swing sleeve is combined with the carriage, and a gear sector which is meshed with a flywheel on the back wheel is further arranged on the foot crutch. Because using the structures such as a chain-less transmission and no saddle and the like, the starting velocity is rapid, the utility model is capable of sliding after being less treaded, the center of gravity is low, the utility model is flexible and safe, further because the number of the parts is greatly reduced, the utility model is capable of being conveniently carried like a pulley, thereby being capable of achieving the purpose that a small bicycle is convenient to be ridden by an adult, and the utility model is an ideal traffic facility.

Description

Bicycle

The utility model relates to a kind of bicycle.

At present, existing most bicycles are when the rider steps on pedal, and pin turns around axis and rotates, thereby drive sprocket wheel and merit is reached trailing wheel, drive bicycle and advance, rotate because pin turns whole circle by chain, people can only be with sitting posture by bike, can bring some diseases by bike for a long time like this; Simultaneously because axis is in the middle part of bicycle, structure complicated, the weight of bicycle is big, size is big, cause not easy to store at home, person's inconvenience carrying especially that the city occupies the building, easily lose out of doors and corrosion, this just needs a kind of easy more driving device, is used to drive bicycle, and is beneficial to the miniaturization design of bicycle.

The purpose of this utility model just is to provide a kind of bicycle simple in structure, that can uprightly ride, easy to use.

The purpose of this utility model can realize by following measure:

The utility model comprises vehicle frame and the front and back wheel and the handlebar that are placed on the vehicle frame, be arranged with adapter plate at vehicle frame, pin turns in the pivotally attached mode and is placed on the adapter plate, the end that pin turns is hinged by down hinge and telescopic spring sleeve, in spring swing sleeve, settle telescopic spring sleeve and spring, spring swing sleeve combines with pivotally attached mode and vehicle frame, the other end that turns at pin is mounted with pedal, on pin turns, also be mounted with rear wheel on flywheel mating teeth fans, between rear vehicle shaft and adapter plate, be provided with yoke plate.

The utility model is owing to adopt no chain gear, do not establish structures such as vehicle seat, make its starting speed can after less stepping, slide soon, its transmitting ratio and Regular Bicycle are more or less the same, and utilize bicycle that this technology produces because of the little reason in wheel footpath, and maximum speed is lower slightly than other bicycle, but center of gravity is low, safety is because the part number greatly reduces, easy to carry as coaster again flexibly; Its size is little, deposits also at home to be easy to, and can realize the purpose that dolly makes things convenient for the adult to ride, and is the desirable walking-replacing tool of tourism, body-building.

Accompanying drawing drawing of the present utility model is described as follows:

Fig. 1 is a scheme drawing of the present utility model.

Fig. 2 is the scheme drawing of rear wheel in the utility model.

Fig. 3 is the birds-eye view of Fig. 2 in the utility model.

Fig. 4 is the mesh schematic representation of flywheel and tooth fan in the utility model.

Fig. 5 is the scheme drawing of yoke plate in the utility model.

Fig. 6 is the scheme drawing that pin turns in the utility model.

Fig. 7 is the A-A cutaway view of Fig. 2 in the utility model.

The utility model is done to describe in detail below in conjunction with drawings and Examples:

As shown in the figure: the utility model comprises vehicle frame 21 and front-wheel 33 trailing wheels 8 and the handlebar 34 that are placed on the vehicle frame 21, be arranged with adapter plate 10 at vehicle frame 21, pin turns 12 and is placed on the adapter plate 10 in the pivotally attached mode, it is hinged by down hinge 7 and telescopic spring sleeve 6 that pin turns an end of 12, in spring swing sleeve 4, settle telescopic spring sleeve 6 and spring 5, spring swing sleeve 4 combines with pivotally attached mode and vehicle frame 21, turn 12 the other end at pin and be mounted with pedal 17, pin turn also be mounted with on 12 with rear wheel 8 on flywheel 20 mating teeth fan 14, between rear vehicle shaft 19 and adapter plate 10, be provided with yoke plate 11.

Principle of work of the present utility model is as follows: all be processed with the connection screw thread on the wheel hub of ordinary bicycle trailing wheel both sides, illustrate a side wheel hub 30 for dextrorotation to, opposite side be left-handed to, each one on endoporus screw rotation direction and the corresponding flywheel of wheel hub all is installed on the wheel shaft of both sides, in case flywheel 20 releases when stressed, yoke plate 11 is referring to the yoke plate scheme drawing, three holes are arranged on it, axletree 19 passes the one stomidium, by nut, plain cushion, bullet pad 18 is fixed on yoke plate on the axletree 19, the interstitial hole of yoke plate 11 is welding connecting lever rotating shaft 29, pin turns 12 and is installed in the connecting lever rotating shaft 29 by two bearings 24 and bearing inner spacing collar 27 bearing outer separators 28 bearing cap shims 25 axle sleeves 26 integrated positionings, for guaranteeing that yoke plate 11 is in horizontality, need by two chamfered edge bolts 9 yoke plate 11 and vehicle frame adapter plate 10 fixedly to be assembled together, sleeve pipe 23 is used to support the fastening effect of gauge member 31.Six square bolts 16 are fixed on pin with cylinder tooth tooth fan 14 and turn on 12 in two, and the center of tooth fan 14 is on the line of centers of connecting lever rotating shaft 29, thereby make cylinder tooth 15 and the even engaged transmission of flywheel on the tooth fan 14, tooth fan 14 is provided with a plurality of cylinder teeth 15 that are fan-shaped distribution, the engagement of itself and flywheel is referring to tooth fan and flywheel 20 engagement figure, turn an end of 12 at pin pedal 17 and spacing shelves pin 32 are installed, spacing shelves pin 32 turns at pin will be subjected to the spacing of vehicle frame 21 when moving to uppermost position in fig-ure on 12, pin turns 12 opposite side, form hinge-coupled by down hinge 7 and telescopic spring sleeve 6, the bounce of compression spring telescopic shaft 6 its in-to-in springs 5 is beneficial to pin and turns 12 urgency and return and lift repeatedly when pin turns 12 swings.Swing spring sleeve 4 will play the guiding role for cooperating This move, and its upper end forms hinge-coupled by hinge 2 and hinge frame 1.Block card 3,13,22 is a gauge member, is used to prevent getting loose of hinge 2 down hinges 7 and cylinder tooth 15, and pin turns 12 referring to scheme drawing.Its transmission principle is described below: referring to Fig. 1, cancel the sprocket wheel of former bicycle, chain, axis, vehicle seat, its running part concentrates on the trailing wheel 8, wheel is narrowed down to suitable diameter, the people rides with the posture of standing, when center of gravity concentrates on Fig. 2 one batter and pedals on 17, suppose that this moment, pedal was in the top, by gravity, pin turns 12 and clockwise rotates referring to erection plan 1 around connecting lever rotating shaft 29 downwards, turn cylinder tooth tooth fan 14 on 12 owing to be fixed on pin, 15 with the engagement of flywheel 20, make flywheel 20 also by clockwise rotating, move ahead thereby drive trailing wheel 8 rotating drive bicycles.Simultaneously turning 12 the other end at pin drives down hinge 7 and upwards promotes telescopic spring sleeve 6 compression springs 5 and make spring 5 energy storage, when lifting pin, because the energy of spring 5 has discharged rebound effect, promoting telescopic spring sleeve 6 stretches out, reversing sense drive pin turns 12 and rotates counterclockwise, move on the pedal 17, because the unidirectional power transmission effect of flywheel, when pedal 17 moves up, do not hinder clockwise rotating of wheel 8, pedal 17 moves to upper limit, ready for step on down next time, it is left-handed that opposite side flywheel and pedal connect screw, and forms symmetrical driving system with diagram, can realize that like this both feet step, ordering about bicycle constantly advances.Because pin turns 12 pendulum angles in 80 degree scopes, the drive torque maximum that this scope produced is beneficial to the efficient conversion of merit.

Claims

1, a kind of bicycle, it comprises vehicle frame (21) and is placed in front-wheel (33) trailing wheel (8) and handlebar (34) on the vehicle frame (21), it is characterized in that: be arranged with adapter plate (10) at vehicle frame (21), pin turns (12) and is placed on the adapter plate (10) in the pivotally attached mode, the end that pin turns (12) is hinged by down hinge (7) and telescopic spring sleeve (6), in spring swing sleeve (4), settle telescopic spring sleeve (6) and spring (5), spring swing sleeve (4) combines with pivotally attached mode and vehicle frame (21), the other end that turns (12) at pin is mounted with pedal (17), turn at pin also be mounted with on (12) with rear wheel (8) on flywheel (20) mating teeth fans (14), between rear vehicle shaft (19) and adapter plate (10), be provided with yoke plate (11).