CN2171551Y - Speed-change rickshaw with front and back pedal - Google Patents

Speed-change rickshaw with front and back pedal Download PDF

Info

Publication number
CN2171551Y
CN2171551Y CN 93221937 CN93221937U CN2171551Y CN 2171551 Y CN2171551 Y CN 2171551Y CN 93221937 CN93221937 CN 93221937 CN 93221937 U CN93221937 U CN 93221937U CN 2171551 Y CN2171551 Y CN 2171551Y
Authority
CN
China
Prior art keywords
rickshaw
speed
wheel
utility
model
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 93221937
Other languages
Chinese (zh)
Inventor
胡铁玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 93221937 priority Critical patent/CN2171551Y/en
Application granted granted Critical
Publication of CN2171551Y publication Critical patent/CN2171551Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Automatic Cycles, And Cycles In General (AREA)

Abstract

The utility model provides a speed-change rickshaw with a front and back pedal. The utility model is composed of a frame, a front wheel, a back wheel, a guiding mechanism and a driving mechanism. The driving mechanism thereof comprises a driving gear connected with a pedal crank, a big driven gear and a small driven gear arranged on the back axle, a guide wheel and a driving chain. When the rickshaw is pedaled forward, the small driven gear is stressed and is in the high speed state. When the rickshaw is pedaled backward, the big driven gear is stressed and is in the low speed state. The utility model has the advantage of simple speed-change structure which can ease the feeling of riding fatigue.

Description

Speed-change rickshaw with front and back pedal
The utility model relates to a kind of bicycle, particularly a kind of tricycle.It is the driving device of characteristics with the endless chain that the utility model also relates to a kind of.
The speed changer structure more complicated of existing bicycle, fragile, and bicycle is in the process of riding, and the people remains a kind of posture, is easy to generate tired sensation.
The purpose of this utility model is to provide plants and can pedal front and back, and the rickshaw of energy speed change, simplifies the structure of change-speed box, for the bicyclist brings convenience.
Composition of the present utility model comprises vehicle frame, front-wheel, trailing wheel, guiding mechanism, foot-operated crank, transmission device.Its transmission device comprises: with the driving gear that foot-operated crank links to each other, be installed on big ring gear, little ring gear, track adjusting wheel and messenger chain on the rear axle.
Advantage of the present utility model is: its speed change realizes by big ring gear, little ring gear and track adjusting wheel.During current pedaling, little ring gear is stressed, is in the adjustment state; When after when pedaling, big ring gear is stressed, is in lower-speed state.Its speed changing structure is simple.The bicyclist can change state of kinematic motion in speed change, the tonicity of conversion leg muscle, and sensation lessens fatigue.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of transmission device;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is the C-C cutaway view of Fig. 2
For example the utility model is described in detail below:
The appearance structure of the speed change three-wheel vehicle that Fig. 1 is pedaled before and after being, its component part comprises: front-wheel 1, guiding mechanism 2, vehicle frame 3, railway carriage 4, trailing wheel 5, foot-operated crank 6 and transmission device.With reference to figure 2, transmission device comprises and rides driving gear 8 that crank 6 links to each other, is installed on big ring gear 9, little ring gear 10 on the rear axle 11, is installed on that track adjusting wheel 12 on the vehicle frame and chain 7 form.Power-transfer clutch is installed on trailing wheel.Driving gear 8 drives little ring gear 10 by chain 7 when foot-operated when the rider is firmly pedaled forward, is in fast state this moment.Firmly pedal backward when foot-operated as the rider, driving gear 8 drives greatly by gear 9 by chain 7, is in lower-speed state this moment.When firmly mentioning the drop handle of power-transfer clutch, car can retreat.

Claims (2)

1, the speed changeable man-power cart pedaled of a kind of front and back, it comprises: vehicle frame, front-wheel, trailing wheel, guiding mechanism, transmission device is characterized in that: described transmission device comprises and rides the driving gear that crank links to each other.Be installed on big ring gear and little ring gear, track adjusting wheel and messenger chain on the rear axle.
2, the speed changeable man-power cart pedaled of front and back according to claim 1, it is characterized in that: trailing wheel is provided with power-transfer clutch.
CN 93221937 1993-08-18 1993-08-18 Speed-change rickshaw with front and back pedal Expired - Fee Related CN2171551Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93221937 CN2171551Y (en) 1993-08-18 1993-08-18 Speed-change rickshaw with front and back pedal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93221937 CN2171551Y (en) 1993-08-18 1993-08-18 Speed-change rickshaw with front and back pedal

Publications (1)

Publication Number Publication Date
CN2171551Y true CN2171551Y (en) 1994-07-13

Family

ID=33800648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 93221937 Expired - Fee Related CN2171551Y (en) 1993-08-18 1993-08-18 Speed-change rickshaw with front and back pedal

Country Status (1)

Country Link
CN (1) CN2171551Y (en)

Similar Documents

Publication Publication Date Title
US20100059963A1 (en) Dual-drive bicycle
CN2171551Y (en) Speed-change rickshaw with front and back pedal
CN200995743Y (en) Entertainment exercising bicycle
CN201863977U (en) Bicycle
CN2165075Y (en) High-speed labour-saving bicycle
CN2734603Y (en) Foot-actuated quadricycle
CN2294906Y (en) Easy bicycle for two persons
CN2467378Y (en) Bicycle
CN218617053U (en) Bicycle transmission system
CN2413983Y (en) High-speed bicycle
CN2523461Y (en) Sport vehicles with pedals
CN2607315Y (en) Bicycle driven by two persons
CN2300570Y (en) Lever type power-aid bicycle
CN1093992A (en) Bicycle with level drive
CN2183314Y (en) Supination type bicycle
CN2242218Y (en) Bicycle with forward/backward force device
CN2156124Y (en) Count-direction pedal driving automatic speed-changing bicycle
CN2649473Y (en) Closed low-seat horizontal-pressing manual driving device
CN2312172Y (en) High-speed and power-saving bicycle
CN2398169Y (en) Double drived bicycle
CN2156114Y (en) Multi-function single-wheel health care vehicle
CN2126202U (en) Children's double tricycle
CN2139552Y (en) Sitting-sleeping type high speed bicycle
CN2278643Y (en) Bicycle
CN2042447U (en) Lever-type bicycle

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee