CN2690271Y - Foot chain wheel front fixed bicycle without back rest - Google Patents
Foot chain wheel front fixed bicycle without back rest Download PDFInfo
- Publication number
- CN2690271Y CN2690271Y CN 200420031315 CN200420031315U CN2690271Y CN 2690271 Y CN2690271 Y CN 2690271Y CN 200420031315 CN200420031315 CN 200420031315 CN 200420031315 U CN200420031315 U CN 200420031315U CN 2690271 Y CN2690271 Y CN 2690271Y
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- China
- Prior art keywords
- wheel
- bicycle
- foot
- vehicle frame
- backrest
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- 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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Abstract
The utility model discloses a foot chain wheel front fixed bicycle with a back rest. The back end of the bicycle frame is provided with a back wheel with a fly wheel, and a back rest sloping beam is arranged on the bicycle frame. A back rest cushion and a bicycle seat are installed on the back rest sloping beam, and the top of the back rest sloping beam is provided with a head rest. The lower end of the middle part of the bicycle frame which is corresponding to the bicycle seat is connected with a bicycle front fork, and a vertical type bicycle handle is arranged on the bicycle front fork. A bicycle brake handle is arranged on the bicycle handle, and a front wheel is installed on the front fork. The outer diameter of the front wheel is 380-430mm, and the outer diameter of the back wheel is 1. 5-1. 8 times of the outer diameter of the front wheel. The front end of the bicycle frame is provided with a foot pedal chain wheel which is connected with the fly wheel through a chain cutter bar, and the position which is corresponding to the chain cutter bar on the bicycle frame is provided with a chain box. A pedal is arranged on the foot pedal chain wheel, the middle part of the bicycle frame is provided with a chain cutter bar guide wheel, and the position which is corresponding to the chain cutter barguide wheel on the bicycle frame is provided with a chain cutter bar limited barrier chip. The foot chain wheel front fixed bicycle with a back rest has the advantages that the user can ride the bicycle in a sloping and looking up mode and is not easy to feel tired riding for a long time. The rider's centre of gravity is low, the riding is safe, getting up and down the bicycle is convenient, and the riding is labor-saving. The foot chain wheel front fixed bicycle with a back rest is comfortable and interesting, specially being appropriate for the teenager to use.
Description
Technical field
The utility model belongs to a kind of vehicle, particularly a kind of foot-operated sprocket wheel forward type bicycle that is provided with backrest.
Background technology
Existing bicycle is to be made of vehicle frame, the handlebar that is located at the vehicle frame nock, axis, the vehicle seat that is located at top, vehicle frame middle part, pedal and the forward and backward wheel that is located on the axis.The bicycle of this structure is because vehicle seat is located at top, vehicle frame middle part, and riding for a long time has sense of fatigue; Bicyclist's center of gravity is higher, and the inconvenience of getting on or off the bus, the sense of security are relatively poor; Pedal is in the centre of body weight below, pedals and rides effort.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above that prior art exists, provide a kind of ride comfortable, ride and be difficult for to produce sense of fatigue for a long time, low, the driving safety of bicyclist's center of gravity, HOP ON is pedaled and is ridden the foot-operated sprocket wheel forward type bicycle that the labour-saving is provided with backrest.
The utility model is achieved in that it has a vehicle frame, the vehicle frame rear end is equipped with the rear wheel that has flywheel, vehicle frame is provided with the car ladder, its special character is to be provided with the backrest cant beam on vehicle frame, back cushion and vehicle seat are installed on the backrest cant beam, at backrest cant beam top headrest is installed, corresponding vehicle seat position, the lower end, middle part of vehicle frame is connected with the car front fork, on the car front fork, be provided with vertical handlebar, handlebar is provided with the brake handle, the brake handle be arranged on before, brake on the rear wheel is connected, front vehicle wheel is installed on front fork, and said front vehicle wheel external diameter is 380-430mm, and the external diameter of rear wheel is 1.5-1.8 a times of front vehicle wheel external diameter, be provided with foot-operated sprocket wheel at the vehicle frame front end, said foot-operated sprocket wheel is connected by chain with flywheel on the rear wheel, and corresponding chain position is provided with chain cover on vehicle frame, is provided with pedal on foot-operated sprocket wheel, corresponding chain place is provided with the chain track adjusting wheel at the vehicle frame middle part, and corresponding chain track adjusting wheel place is provided with the spacing catch of chain on vehicle frame.
According to the above-mentioned foot-operated sprocket wheel forward type bicycle that is provided with backrest, the respective seat pad position is provided with stay bearing plate on the said vehicle frame, stay bearing plate is provided with the bar shaped mounting hole, said backrest cant beam is installed in bar shaped mounting hole place on the stay bearing plate by binding bolt, with be used to adjust the front and back position of vehicle seat, make ride more comfortable.
According to the above-mentioned foot-operated sprocket wheel forward type bicycle that is provided with backrest, corresponding backrest cant beam place is provided with back bracket on vehicle frame, be connected by bearing pin between said back bracket and the vehicle frame, and corresponding back bracket top end is provided with sliding tray on the backrest cant beam, and back bracket is installed in the sliding tray by puller bolt.
According to the above-mentioned foot-operated sprocket wheel forward type bicycle that is provided with backrest, said headrest is provided with headrest support, and is provided with telescoping mechanism between headrest support and the backrest cant beam.
According to the above-mentioned foot-operated sprocket wheel forward type bicycle that is provided with backrest, said handlebar top is provided with the spherical vehicle handle.
According to the above-mentioned foot-operated sprocket wheel forward type bicycle that is provided with backrest, said brake handle is a flats and wide at the top and narrow at the bottom.
The utility model has the advantages that: owing to tilting on vehicle frame backrest arranged, make the bicyclist tiltedly backstroke ride, riding for a long time is difficult for the generation sense of fatigue; Bicyclist's center of gravity is low, driving safety, and HOP ON is pedaled and is ridden laborsavingly, and collection traveling comfort and interest are the whole body, are especially easily accepted by the teenager.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the handlebar partial schematic diagram;
Fig. 3 is the right elevation of Fig. 2;
Fig. 4 is the I portion cutaway view Amplified image of Fig. 1;
Fig. 5 is the spacing catch connection diagram of vehicle frame and chain;
Fig. 6 is the birds-eye view of headrest.
Among the figure: 1-brake, 2-backrest cant beam, 3-support, the 4-headrest, 5-back cushion, the vertical handlebar of 6-, 7-handlebar handle, 8-brake handle, 9-brake, the 10-chain cover, 11-rides sprocket wheel, the 12-pedal, the 13-front vehicle wheel, 14-car front fork, 15-vehicle frame, the 16-change-speed box, 17-flywheel, 18-shelf, the 19-rear wheel, 20-car ladder, 21-stay bearing plate, 22-adjusts mounting hole, 23-vehicle seat, 24-gear change hand lever, the spacing catch of 25-chain, 26-chain, 27-chain track adjusting wheel, the 28-back bracket, 29-sliding tray, 30-puller bolt.
The specific embodiment
As shown in the figure, the utility model has a vehicle frame 15, vehicle frame 15 rear ends are equipped with the rear wheel 19 that has flywheel 17 and change-speed box 16, vehicle frame 15 bottoms are provided with car ladder 20, are provided with shelf 18 in vehicle frame 15 upper backs, and said vehicle frame 15 middle parts are provided with stay bearing plate 21, stay bearing plate 21 is provided with bar shaped mounting hole 22, by binding bolt circular arc type backrest cant beam 2 is installed in mounting hole 22, back cushion 5 and vehicle seat 23 are installed on backrest cant beam 2, said back cushion 5 and vehicle seat 23 are one.Can adjust the front and back position of vehicle seat 23 and back cushion 5 by mounting hole 22, make ride more comfortable.Backrest cant beam 2 tops are equipped with and the suitable arc headrest 4 of human body back brain shape, on headrest, be provided with headrest support 3, and be provided with telescoping mechanism between headrest support 3 and the backrest cant beam 2, said telescoping mechanism can adopt sleeve type structure and be provided with puller bolt on sleeve pipe, with the position according to the height adjustment of different people headrest 4.Corresponding backrest cant beam 2 places are provided with back bracket 28 on vehicle frame 15, be connected by bearing pin between said back bracket 28 and the vehicle frame 15, and corresponding back bracket 28 top ends are provided with sliding tray 29 on backrest cant beam 2, and back bracket 28 is fastened in the sliding tray 29 by puller bolt 30.Corresponding vehicle seat 23 positions, the lower end, middle part of vehicle frame 15 are connected with car front fork 14, are provided with vertical handlebar 6 on car front fork 14, and handlebar 6 tops are provided with spherical vehicle handle 7.Be provided with brake handle 8 and gear change hand lever 24 on handlebar 6, brake handle 8 is connected with brake 9,1 on being arranged on forward and backward wheel 13,19, and said brake handle 8 is a flats and wide at the top and narrow at the bottom, feels more comfortable so that hold brake handle 8.Front vehicle wheel 13 is installed on car front fork 14, and said front vehicle wheel 13 external diameters are 380-430mm, and the external diameter of rear wheel 19 is 1.5-1.8 times of front vehicle wheel 13 external diameters, so that it is more comfortable more laborsaving to ride.Be provided with foot-operated sprocket wheel 11 at vehicle frame 15 front ends, said foot-operated sprocket wheel 11 is connected by chain 26 with flywheel 17 on the rear wheel 19, corresponding chain 26 positions are provided with chain cover 10 on vehicle frame 15, on foot-operated sprocket wheel 11, be provided with pedal 12, corresponding chain 26 places are provided with chain track adjusting wheel 27 at vehicle frame 15 middle parts, and corresponding chain track adjusting wheel 27 places are provided with the spacing catch 25 of chain on vehicle frame 15.
This foot-operated sprocket wheel forward type bicycle that is provided with backrest also can be provided with storage battery on vehicle frame 15, on the axial region of rear wheel 19, motor is set, provides power supply to motor, electric controller is set on handlebar by storage battery, by electric controller control machine operation, realize electric functions.
During use, bicyclist's seating on the back cushion 5 and head pillow on headrest 4, both hands are held handlebar 6, by back and forth pedaling pedal 12, make foot-operated sprocket wheel 11 drive chains 26, chain 26 drives flywheels 17, and rear wheel 19 is rotated, and car is advanced forward.
Claims (6)
1, a kind of foot-operated sprocket wheel forward type bicycle that is provided with backrest, comprise vehicle frame, the vehicle frame rear end is equipped with the rear wheel that has flywheel, vehicle frame is provided with the car ladder, it is characterized in that: on vehicle frame, be provided with the backrest cant beam, back cushion and vehicle seat are installed on the backrest cant beam, at backrest cant beam top headrest is installed, corresponding vehicle seat position, the lower end, middle part of vehicle frame is connected with the car front fork, on the car front fork, be provided with vertical handlebar, handlebar is provided with the brake handle, the brake handle be arranged on before, brake on the rear wheel is connected, and front vehicle wheel is installed on front fork, said front vehicle wheel external diameter is 380-430mm, the external diameter of rear wheel be the front vehicle wheel external diameter 1.5-1.8 doubly, be provided with foot-operated sprocket wheel at the vehicle frame front end, said foot-operated sprocket wheel is connected by chain with flywheel on the rear wheel, corresponding chain position is provided with chain cover on vehicle frame, be provided with pedal on foot-operated sprocket wheel, corresponding chain place is provided with the chain track adjusting wheel at the vehicle frame middle part, and corresponding chain track adjusting wheel place is provided with the spacing catch of chain on vehicle frame.
2, the foot-operated sprocket wheel forward type bicycle that is provided with backrest according to claim 1, it is characterized in that: the respective seat pad position is provided with stay bearing plate on the said vehicle frame, stay bearing plate is provided with the bar shaped mounting hole, and said backrest cant beam is installed in bar shaped mounting hole place on the stay bearing plate by binding bolt.
3, the foot-operated sprocket wheel forward type bicycle that is provided with backrest according to claim 1 and 2, it is characterized in that: corresponding backrest cant beam place is provided with back bracket on vehicle frame, be connected by bearing pin between said back bracket and the vehicle frame, and corresponding back bracket top end is provided with sliding tray on the backrest cant beam, and back bracket is installed in the sliding tray by puller bolt.
4, the foot-operated sprocket wheel forward type bicycle that is provided with backrest according to claim 1, it is characterized in that: said headrest is provided with headrest support, and is provided with telescoping mechanism between headrest support and the backrest cant beam.
5, the foot-operated sprocket wheel forward type bicycle that is provided with backrest according to claim 1, it is characterized in that: said handlebar top is provided with the spherical vehicle handle.
6, the foot-operated sprocket wheel forward type bicycle that is provided with backrest according to claim 1, it is characterized in that: said brake handle is a flats and wide at the top and narrow at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420031315 CN2690271Y (en) | 2004-04-22 | 2004-04-22 | Foot chain wheel front fixed bicycle without back rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420031315 CN2690271Y (en) | 2004-04-22 | 2004-04-22 | Foot chain wheel front fixed bicycle without back rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2690271Y true CN2690271Y (en) | 2005-04-06 |
Family
ID=34670577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420031315 Expired - Fee Related CN2690271Y (en) | 2004-04-22 | 2004-04-22 | Foot chain wheel front fixed bicycle without back rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2690271Y (en) |
-
2004
- 2004-04-22 CN CN 200420031315 patent/CN2690271Y/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 |