CN2260759Y - Small front-driving tricycle - Google Patents
Small front-driving tricycle Download PDFInfo
- Publication number
- CN2260759Y CN2260759Y CN 96211780 CN96211780U CN2260759Y CN 2260759 Y CN2260759 Y CN 2260759Y CN 96211780 CN96211780 CN 96211780 CN 96211780 U CN96211780 U CN 96211780U CN 2260759 Y CN2260759 Y CN 2260759Y
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- CN
- China
- Prior art keywords
- before driving
- axle
- small
- wheel
- tricycle according
- 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
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- Automatic Cycles, And Cycles In General (AREA)
Abstract
The utility model relates to a small front-driving tricycle. A driving device is arranged on a front fork; a front driving support frame of which the rear end is connected with both feet of the front fork is arranged in the driving device; the front end of the front driving support frame is connected with a centre connector which is provided with a driving shaft and a chain wheel. A reinforcing bar of which the upper end is connected with the shoulder part of the front fork is also arranged in the driving device; the lower end of the reinforcing bar is connected with the centre connector of the chain wheel. The tricycle of the utility model has little resistance, high speed, safety and comfort.
Description
The utility model relates to human-powered vehicle, particularly a kind of before driving tricycle.
Known tricycle, be actuating device to be set in the middle part of vehicle frame, the people is sitting on the saddle that is fixed in central frame beam position higher position, with vertical posture pedal tap pedal, drive the flywheel that is provided with on the rear axle by chain, vehicle is advanced, above two trailing wheels of vehicle, be provided with wagon box, and the wheelspan broad of two trailing wheels, the road occupying area is big, and the weight of such tricycle own is big, because rider body erect, car is subjected to wind in advancing resistance is big, and running speed is slow, and it is big to consume one's strength.
In order to overcome deficiency of the prior art, the purpose of this utility model provides quick, laborsaving, the safe tricycle of a kind of small portable.
The utility model is to be achieved by following technical proposals.
Small-sized before driving tricycle of the present utility model comprises handlebar, front fork, front-wheel, trailing wheel, front axle, rear axle, brake equipment, saddle, vehicle frame, crank, pedal, sprocket wheel, chain, flywheel, front fork is provided with actuating device, be provided with the before driving support in the actuating device, the rear end of before driving support is connected with the front fork bipod, the front end of before driving support is connected with the center sub that axle drive shaft and sprocket wheel are housed, also be provided with stirrup in the actuating device, the upper end of stirrup is connected with described front fork shoulder, and the lower end of stirrup also is connected with the centre of sprocket joint; The diameter of front-wheel, trailing wheel is 310～510mm; The wheelspan of two trailing wheels is 450～550mm; The wheelbase of front axle, rear axle is 700～1100mm; Saddle height is apart from ground 450～650mm; Saddle can be regulated front and back on vehicle frame, and the setting of two rear axles makes the parallel or inwardly symmetry inclination of upper limb of two trailing wheels horizontal by 0～15 degree angle.
Axle drive shaft preferably adopts whole sleeve, and the axle bowl of whole sleeve is the connecting shaft bowl.The diameter of front-wheel and trailing wheel is preferably 510mm, and the wheelspan of two trailing wheels is preferably 480mm, and the wheelbase of front axle and rear axle is advisable with 750mm, and two rear axles and horizontal surface are preferably 7 degree angles.
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is a front view of the present utility model;
Fig. 2 is a left view of the present utility model;
Fig. 3 is the section-drawing of axle drive shaft of the present utility model.
In the drawings, small-sized before driving tricycle of the present utility model comprises handlebar 1, front fork 2, front-wheel 3, trailing wheel 4, front axle 5, rear axle 6, brake equipment 7, crank 10, pedal 11, chain 12, flywheel 13 and is installed in saddle 9 on the vehicle frame 8, saddle 9 moves before and after can be on vehicle frame 8 to be regulated and fixing as required, rides conveniently with the people who adapts to different heights.Saddle 9 can be made into chair form.Actuating device 18 is arranged on the front fork 2, actuating device 18 adopts the chain-driving mode, it includes before driving support 14, the rear end of before driving support 14 is V shape and is connected with the bipod of front fork 2, the front end of before driving support 14 with axle drive shaft 16 be housed be connected with the center sub 19 of sprocket wheel 17, this axle drive shaft 16 preferably adopts whole sleeve, it comprises connecting shaft bowl 20, one end of connecting shaft bowl 20 is provided with retaining washer 21 and locknut 22, in order to be connected with centre of sprocket joint 19.Also be provided with stirrup 15 in the actuating device 18, stirrup 15 can be made into linear or camber line shape, and the upper end of stirrup 15 is connected with the shoulder of front fork 2, and the lower end of stirrup 15 is connected with centre of sprocket joint 19.The diameter of front-wheel 3, trailing wheel 4 is 310～510mm, preferably adopts 510mm, and the wheelspan of two trailing wheels 4 is that 450～550mm preferably adopts 480mm, and the wheelbase of front axle 5, rear axle 6 adopts 700～1100mm, preferably adopts 750mm.Saddle height preferably adopts 500mm apart from ground 450～650mm, and two rear axles 6 preferably adopt 7 degree angles horizontal by 0～15 degree angle.
The utility model compared with prior art has following beneficial effect:
1. change the attitude of riding, the part firmly can be distributed to whole body firmly.
Safe, comfortable, resistance is little, speed is fast.
Claims (7)
1. small-sized before driving tricycle, comprise handlebar, front fork, front-wheel, trailing wheel, front axle, rear axle, brake equipment, saddle, vehicle frame, crank, pedal, sprocket wheel, chain, flywheel, it is characterized in that front fork is provided with actuating device, be provided with the before driving support in the described actuating device, the rear end of described before driving support is connected with described front fork bipod, the front end of before driving support is connected with the center sub that axle drive shaft and described sprocket wheel are housed, stirrup also is set in the described actuating device, the upper end of described stirrup is connected with described front fork shoulder, the lower end of described stirrup is connected with the centre of sprocket joint, described front-wheel, the diameter of trailing wheel is 310～510mm, the wheelspan of described two trailing wheels is 450～550mm, described front axle, the wheelbase of rear axle is 700～1100mm, described saddle height is apart from ground 450～650mm, described saddle can be regulated front and back on vehicle frame, and described two rear axles make the parallel or inwardly symmetry inclination of upper limb of described two trailing wheels horizontal by 0-15 degree angle.
2. small-sized before driving tricycle according to claim 1 is characterized in that described axle drive shaft is whole sleeve, and the axle bowl of described whole sleeve is the connecting shaft bowl.
3. small-sized before driving tricycle according to claim 1, the diameter that it is characterized in that described front-wheel, trailing wheel is 510mm.
4. small-sized before driving tricycle according to claim 1, the wheelspan that it is characterized in that described trailing wheel is 480mm.
5. small-sized before driving tricycle according to claim 1, the wheelbase that it is characterized in that described front axle, rear axle is 750mm.
6. small-sized before driving tricycle according to claim 1 is characterized in that described saddle height is apart from ground 500mm.
7. small-sized before driving tricycle according to claim 1 is characterized in that described two rear axles are horizontal by 7 degree angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96211780 CN2260759Y (en) | 1996-05-29 | 1996-05-29 | Small front-driving tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96211780 CN2260759Y (en) | 1996-05-29 | 1996-05-29 | Small front-driving tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2260759Y true CN2260759Y (en) | 1997-08-27 |
Family
ID=33894610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96211780 Expired - Fee Related CN2260759Y (en) | 1996-05-29 | 1996-05-29 | Small front-driving tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2260759Y (en) |
-
1996
- 1996-05-29 CN CN 96211780 patent/CN2260759Y/en not_active Expired - Fee Related
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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 |