CN201800832U - Four-wheel bicycles with variable speeds - Google Patents
Four-wheel bicycles with variable speeds Download PDFInfo
- Publication number
- CN201800832U CN201800832U CN 201020556389 CN201020556389U CN201800832U CN 201800832 U CN201800832 U CN 201800832U CN 201020556389 CN201020556389 CN 201020556389 CN 201020556389 U CN201020556389 U CN 201020556389U CN 201800832 U CN201800832 U CN 201800832U
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- China
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- vehicle frame
- wheel
- diff
- speed
- side rail
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Abstract
A four-wheel bicycles with variable speeds is disclosed herein comprising a front vehicle frame, a rear vehicle frame, and a vehicle frame longitudinal beam, and ground wheels, wherein the vehicle frame longitudinal beam is provided with a steering column which is provided with a steering wheel, a seat, and a chain disc, and footrests, the seat being mounted behind the steering wheel, the chain disc and the footrests being mounted below the steering wheel so disposed that the chain disc is in transmission connection with a variable-speed transmission device of the front and rear ground wheels through a chain, and two ends of the front vehicle frame are provided with a steering rocker arm, while the other end of the steering rocker arm hinges to two steering rod which are in sleeve connection with a steering sleeve, also a front differential and a rear differential being fixedly connected to a front sprocket wheel and a rear sprocket wheel on the outer walls thereof, a middle transmission being fixedly connected to a transfer sprocket wheel and a driving sprocket wheel on the outer walls thereof, the front and the rear differentials being connected to universal transmission shafts at the two ends thereof, the other end of each universal transmission shaft being connected to a ground wheel, the front and rear ground wheels being provided with a brake apparatus, a reinforcement rod of the rear vehicle frame being provided with a brake variable speed handle. The utility model also has the advantages of compact structure, convenient operation, simultaneous driving of four wheels, strong power, wide application to all kinds of complicated road conditions, timely speed variation, stable driving speed, labor-saving, and convenience.
Description
Technical field
The utility model relates to a kind of vehicle, particularly a kind of four wheel drive speed changing bicycle that is fit to various landform walkings.
Background technology
The bicycle that has a large amount in variety in the market, be generally back-wheel drive, though also there is the four-wheeled bicycle car to occur, but these four-wheeled bicycles all are front-wheel or trailing wheel independent drive, and their vehicle body is generally fixing, can not rotate or bend, the four-wheeled that also has many people to drive, but speed changing effect is not obvious, and is bulky and through performance is poor, is difficult to deal with the road surface situation of various complexity.
Summary of the invention
The utility model is at the deficiencies in the prior art, provides good, the suitable various complex road surfaces of a kind of speed changing effect to travel, and has good through performance and the small and exquisite speed changing bicycle of four wheel drive easily.
Realize that the technical scheme that above-mentioned purpose adopts is: a kind of four wheel drive speed changing bicycle, comprise front vehicle frame, back vehicle frame that constitutes car body and the chassis side rail that is connected the front and back vehicle frame, the below of front and back vehicle frame is separately installed with a pair of road wheel, the Steering gear of band bearing circle is housed on the chassis side rail, on the chassis side rail at the rear of this Steering gear seat is housed, the chain drum and the stretcher of interlock are housed on the chassis side rail of Steering gear below, and chain drum is connected transmission by chain with the variable-speed drive of front and back road wheel
Front vehicle frame stirrup and back vehicle frame stirrup are housed respectively on a, described front vehicle frame and the back vehicle frame;
A pitman arm all is equipped with at the two ends of b, described front vehicle frame, and the other end of this pitman arm is hinged with deflecting bar respectively, and two deflecting bars all are connected with the sleeve that turns to of Steering gear lower end;
The below that c, described variable-speed drive comprise chassis side rail is disposed with preceding diff, mid-change-speed box and back diff after by forward direction; Before diff and the back diff outer wall on be connected with respectively before sprocket wheel and the back sprocket wheel, be connected with two branch movable sprockets and a drive sprocket on the outer wall of mid-change-speed box; Preceding diff, mid-change-speed box and back diff are connected transmission by the chain that is sleeved on the sprocket wheel, and the drive sprocket of mid-change-speed box is connected transmission with chain drum by chain;
The two ends of d, described preceding diff and back diff are connected with universal drive shaft respectively, and the other end of each universal drive shaft all is connected with road wheel by the vehicle frame riser on the vehicle frame before and after being fixed on;
On e, the described front and back road wheel brake gear is housed all, the parking brake gear change hand lever that is used to control each brake gear and transmission system is housed on the back vehicle frame stirrup.
Compared with prior art, the utility model structure is small and exquisite, easy to operate; Four-wheel drives simultaneously, powerful, the road surface situation of suitable various complexity; Speed change is timely, and moving velocity is stable, and is laborsaving convenient.
Description of drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the birds-eye view of Fig. 1.
Fig. 4 is the drive mechanism scheme drawing.
Fig. 5 is the chassis torsion structural representation.
Among the figure: road wheel 1, parking brake handle 2, back vehicle frame stirrup 3, seat 4, bearing circle 5, Steering gear 6, vehicle frame riser 7, preceding diff 8, universal drive shaft 9, preceding expansion joint 10, chassis side rail 11, front vehicle frame stirrup 12, bearing 13, chain drum 14, joint 15 is expanded in the back, mid-change-speed box 16, front vehicle frame 17, back vehicle frame 18, pitman arm 19, deflecting bar 20, turn to sleeve 21, preceding sprocket wheel 22, drive sprocket 23, back diff 24, back sprocket wheel 25, divide movable sprocket 26, chain 27, torsion shaft 28 cuts off mouth 29.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Referring to accompanying drawing 1-4; in the present embodiment; this four wheel drive speed changing bicycle; comprise front vehicle frame 17, back vehicle frame 18 that constitutes car body and the chassis side rail 11 that is connected the front and back vehicle frame; the below of front and back vehicle frame 17,18 is separately installed with a pair of road wheel 1; the Steering gear 6 of band bearing circle 5 is housed on the chassis side rail 11; Steering gear 6 is fixed on the chassis side rail 11 by bearing 13; on the chassis side rail 11 at the rear of this Steering gear 6 seat 4 is housed; the back of this seat 4 is connected with one and is the roll cage of one with it, is used to protect the personal safety of driver when vehicle topples.The chain drum 14 and the stretcher of interlock are housed on the chassis side rail 11 of Steering gear 6 belows, and chain drum 14 is connected transmission by chain 27 with the driving device of front and back road wheel 1, and this driving device comprises preceding diff 8, mid-change-speed box 16 and back diff 24, wherein:
Front vehicle frame stirrup 12 and back vehicle frame stirrup 3 are housed respectively on front vehicle frame 17 and the back vehicle frame 18;
A pitman arm 19 all is equipped with at the two ends of front vehicle frame 17, and the other end of this pitman arm 19 is hinged with deflecting bar 20 respectively, and two deflecting bars 20 all are connected with the sleeve 21 that turns to of Steering gear 6 lower ends;
The two ends of preceding diff 8 and back diff 24 are connected with universal drive shaft 9 respectively, and the other end of each universal drive shaft 9 all is connected with each road wheel 1 by the vehicle frame riser 7 on the vehicle frame 17,18 before and after being fixed on;
On the road wheel 1 of front and back brake gear is housed all, the parking brake gear change hand lever 2 that is used to control each brake gear and transmission system is housed on the back vehicle frame stirrup 3, this parking brake gear change hand lever 2 is the control handles that integrate parking brake control and variable speed control, transmission system mainly is meant mid-change-speed box 16, and front and back diff 8,24.
Expand joint 10 and back expansion joint 15 before also being equipped with respectively on the vehicle frame of front and back, traction or increase annex are realized the expansion of vehicle functions before and after being used for.
This bicycle is by bicyclist's foot pedals, power is given the drive sprocket of mid-change-speed box by the chain gear on the chain drum, after this mid-change-speed box realization speed change, again the power transmission is given the sprocket wheel on the forward and backward diff, rotate thereby drive road wheel by universal drive shaft.Wherein diff and change-speed box all are to improve on the basis of existing product, and welding one circle sprocket wheel is realized transmission on their outer wall again.
In good time reversing of the flexible control of the four wheel drive of this bicycle, front-wheel steering post and deflecting bar and pitman arm, vehicle frame cut-off part can guarantee to land when four wheels are permanent, guarantees the stable of car body.The multi-change speed of this bicycle, road wheel each 50% propulsive effort in front and back distributes, and realizes stable the travelling of high speed of various road conditions fully.
Claims (2)
1. four wheel drive speed changing bicycle, comprise front vehicle frame, back vehicle frame that constitutes car body and the chassis side rail that is connected the front and back vehicle frame, the below of front and back vehicle frame is separately installed with a pair of road wheel, the Steering gear of band bearing circle is housed on the chassis side rail, on the chassis side rail at the rear of this Steering gear seat is housed, the chain drum and the stretcher of interlock is housed on the chassis side rail of Steering gear below, chain drum is connected transmission by chain with the variable-speed drive of front and back road wheel, it is characterized in that
Front vehicle frame stirrup and back vehicle frame stirrup are housed respectively on a, described front vehicle frame and the back vehicle frame;
A pitman arm all is equipped with at the two ends of b, described front vehicle frame, and the other end of this pitman arm is hinged with deflecting bar respectively, and two deflecting bars all are connected with the sleeve that turns to of Steering gear lower end;
The below that c, described variable-speed drive comprise chassis side rail is disposed with preceding diff, mid-change-speed box and back diff after by forward direction; Before diff and the back diff outer wall on be connected with respectively before sprocket wheel and the back sprocket wheel, be connected with two branch movable sprockets and a drive sprocket on the outer wall of mid-change-speed box; Preceding diff, mid-change-speed box and back diff are connected transmission by the chain that is sleeved on the sprocket wheel, and the drive sprocket of mid-change-speed box is connected transmission with chain drum by chain;
The two ends of d, described preceding diff and back diff are connected with universal drive shaft respectively, and the other end of each universal drive shaft all is connected with road wheel by the vehicle frame riser on the vehicle frame before and after being fixed on;
On e, the described front and back road wheel brake gear is housed all, the parking brake gear change hand lever that is used to control each brake gear and transmission system is housed on the back vehicle frame stirrup.
2. four wheel drive speed changing bicycle according to claim 1 is characterized in that, described chassis side rail front portion is provided with all fractures, and this chassis side rail of cutting the incision position both sides is connected by its in-to-in torsion shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020556389 CN201800832U (en) | 2010-09-30 | 2010-09-30 | Four-wheel bicycles with variable speeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020556389 CN201800832U (en) | 2010-09-30 | 2010-09-30 | Four-wheel bicycles with variable speeds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201800832U true CN201800832U (en) | 2011-04-20 |
Family
ID=43870350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020556389 Expired - Fee Related CN201800832U (en) | 2010-09-30 | 2010-09-30 | Four-wheel bicycles with variable speeds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201800832U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476969A (en) * | 2015-08-31 | 2017-03-08 | 王红艺 | Marking vehicle |
| CN108177716A (en) * | 2018-01-10 | 2018-06-19 | 周雅娟 | It is a kind of to return power bicycle convenient for what is ridden |
| CN114833519A (en) * | 2021-02-02 | 2022-08-02 | 中国石油天然气集团有限公司 | Pipe internal butt-joint device |
-
2010
- 2010-09-30 CN CN 201020556389 patent/CN201800832U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476969A (en) * | 2015-08-31 | 2017-03-08 | 王红艺 | Marking vehicle |
| CN106476969B (en) * | 2015-08-31 | 2019-04-16 | 王红艺 | Marking vehicle |
| CN108177716A (en) * | 2018-01-10 | 2018-06-19 | 周雅娟 | It is a kind of to return power bicycle convenient for what is ridden |
| CN114833519A (en) * | 2021-02-02 | 2022-08-02 | 中国石油天然气集团有限公司 | Pipe internal butt-joint device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20130930 |