CN2302190Y - Front wheel driving structure for bicycle - Google Patents
Front wheel driving structure for bicycle Download PDFInfo
- Publication number
- CN2302190Y CN2302190Y CN 97214458 CN97214458U CN2302190Y CN 2302190 Y CN2302190 Y CN 2302190Y CN 97214458 CN97214458 CN 97214458 CN 97214458 U CN97214458 U CN 97214458U CN 2302190 Y CN2302190 Y CN 2302190Y
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- CN
- China
- Prior art keywords
- articulated
- screw rod
- bicycle
- articulated bracket
- wheel
- 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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- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model relates to a driving structure for as front wheel of a bicycle, two supporting rods are arranged on a transverse shaft tube of a bicycle frame body; the supporting rod; the transverse shaft tube is provided with a rotating shaft which is movably hinged with hinge rod of an upper and a lower draw rods, combined with a chain wheel, a hand rocker and a straight pull tube with a bottom supporting rod which is movably hinged at the rotating shaft of the front wheel; the ends of the upper and the lower draw rods are respectively hinged at the upper transversal shaft and the lower transversal shaft of the bicycle body; the upper transversal shaft is also combined with a supporting pad; the screw threads of the upper and the lower draw rods have different direction with the screw threads of the hinge rods at both ends.
Description
The utility model relates to a kind of f-w-d structure of bicycle, belongs to the accessory device of technical field of bicycles.
In the laudatory title of state-owned " bikedom ", bicycle not only can be used as running vehicle in people's work, life and stress-relieving activity, many people's health and fitness facilities especially, the above-mentioned all multi-functional multi-purpose utensils that is integrated of means of delivery or double as.So, multi-form bicycle, mountain bike, sport car, add loaded vehicle and also all arise at the historic moment, to satisfy the different demands of shape form formula.
The purpose of this utility model provides a kind of f-w-d structure of bicycle, and it can adjust the revolution axle center height of f-w-d frame and the distance of vehicle body frame easily according to the different needs of user's stature, to form comfortable driving effect.
Another purpose of the present utility model is to establish a support pad at the front end of bicycle, pulled in the support pad place in chest shoulder top, form the strong point, to cooperate the strength of waist, when trick drives the front and back wheel rotation simultaneously, make bicycle and health can keep the state of equilibrium of the most comfortable.
The utility model be achieved in that include vehicle body, vehicle frame this stop, straight drawing pipe, top rod, lower link, it is characterized in that: above-mentioned vehicle body is provided with the seat cushion of taking advantage of seat for the bicyclist, can be trampled, be made the front and rear wheel of vehicle can be at the stretcher of ground running, in the vehicle body central siphon, be provided with the axle of movable rotation, support front-wheel, this axle is combined with a support pad, axle itself is provided with upper and lower transverse axis, is used to be movably hinged front axle actuator, and the handgrip of control direct of travel; Above-mentioned vehicle frame body is made up of two strut bars of a horizontal central siphon and extension downwards, two strut bars are respectively equipped with screw rod, screw for straight drawing pipe, central siphon is built-in with a turning cylinder, protrude at the turning cylinder two ends, and it is movably hinged the articulated bracket of top rod, lower link one end, and be combined with the sprocket wheel and the joystick of unitary rotation with turning cylinder, the sprocket wheel of sprocket wheel and front-wheel is centered on by chain, and this chain is provided with active section to change its length; Above-mentioned straight drawing pipe is a hollow tube, and its two ends are provided with the left and right screw thread of different directions, and an end screws on the screw rod of vehicle frame body, the screw rod of the other end and end pole screws, utilize the rotation of straight drawing pipe, can change its length, it is hinged that end pole is provided with the rotating shaft of axis hole and front-wheel; Top rod, the articulated bracket that screws respectively to screw rod and this screw rod two ends of different screw threads about being respectively equipped with by two ends is formed, articulated bracket is provided with annular distance, the annular distance of an articulated bracket is movably articulated on the turning cylinder of vehicle frame body, and the annular distance of another articulated bracket is movably articulated on the last transverse axis of vehicle body; Lower link, the articulated bracket that screws respectively to screw rod and this screw rod two ends of different screw threads about being respectively equipped with by two ends is formed, articulated bracket is provided with annular distance, the annular distance of an articulated bracket is movably articulated on the turning cylinder of vehicle frame body, and the annular distance of another articulated bracket is movably articulated on the following transverse axis of vehicle body.
The handgrip that above-mentioned joystick is received is provided with control piece, and control piece and attaching parts one end are fixed, and attaching parts holds the hole of driven member plate to pass through in addition, and break and be fixed in strut bar, its cover has elastic component, but pushing tow action plate, action plate end in addition is provided with stop column, and stop column can stretch into or leave the teeth groove of sprocket wheel.
The end pole of above-mentioned straight drawing pipe forms bending.
Above-mentioned handgrip is provided with brake member, the brake member brake cable that has been pulled, and brake cable is passed through spring tube, can avoid brake cable to twine.
Characteristics of the present utility model are the adjustment of can stretching of its f-w-d frame, change easily the vehicle frame body height and with the distance of vehicle body, because people's health has the height difference, arm also has the length difference, so, can adjust the f-w-d device in response to the stature different needs, to reach the running condition of the most comfortable.
Fig. 1 be the utility model when being installed on the bicycle in conjunction with scheme drawing.
Fig. 2 is the exploded perspective view of f-w-d frame of the present utility model.
Fig. 3 is the straight drawing pipe 3 exploded block diagrams of Fig. 1.
Fig. 4 is f-w-d local structure figure of the present utility model.
Fig. 5 is the action diagram of Fig. 4.
The combination situations figure of Fig. 6 f-w-d frame of the present utility model.
Referring to Fig. 1, the vehicle body 1 of bicycle of the present utility model is provided with cushion 11 and takes for personnel, is stepped on by pedal 12 and steps on, and vehicle front-wheel 13, trailing wheel 19 can be walked on the ground.Support the central siphon 15 of 14 pairs of vehicle bodies 1 of axle of front-wheel 13 movable to rotate, front-wheel 13 can be turned to flexibly, and axle 14 is combined with a support pad 18, support pad 18 can be for rider's chest by putting, axle 14 itself is provided with transverse axis 16, following transverse axis 17, is used to be movably hinged the f-w-d frame; Handgrip 10 is provided with the brake member 101 that vehicle is advanced can stop again, brake member 101 may command brake cable 102, and brake cable can be passed through spring tube 103, and when avoiding handgrip 10 to rotate, situations take place to twine in brake cable 102.10 of handgrips are received on vehicle frame body 2 set joysticks 25.
Referring to Fig. 1, f-w-d frame shown in Figure 2, include main portions such as vehicle frame body 2, straight drawing pipe 3, top rod 4, lower link 5, vehicle frame body 2 is the strut bars 21 that are provided with downward extension by horizontal central siphon 20, this strut bar 21 is the most suitable with two usually, and two strut bars 21 suitably separate, front-wheel 13 can be turned round betwixt, and screw rod 22 is formed on strut bar 21 bottoms, can be screwed for an end of straight drawing pipe 3 by this screw rod 22; But the horizontal central siphon 20 of vehicle frame body 2 is provided with the turning cylinder 23 of position rotating, protrude at horizontal central siphon 20 at turning cylinder 23 two ends, and the articulated bracket 41,51 of keeping supplying pull bar 4 and lower link 5 is movably hinged, and can form non-just circle footpath section by installing of key 24, for joystick 25 combinations, and the restriction joystick 25 by locating parts such as nut 26 can not be deviate from, and has the sprocket wheel 27 of unitary rotation, sprocket wheel 27 to drive front-wheel 13 rotations through chain 28 on the turning cylinder 23.
Referring to chain shown in Figure 3 28, it is provided with plurality of movable wheel 281, and can be by carrier bar 282 closures, and with fastener 283 snappings, chain can be increased on length or reduce, for making the f-w-d frame as the control that whether drives, establish control piece 29 by handgrip 10, control piece 29 can be done, following promotion, and fix with attaching parts 291 1 ends, 292 actions of other end may command moving part plate, it is movably hinged with moving fulcrums such as axle 293 by action plate 292 as shown in Figure 4, and the inner core cable of moving part plate 292 1 end connected pieces 291 passes through, and the inner core cable is fixed on strut bar 21, when control piece 29 is upwards pulled, the inner core cable that can be pulled, then action plate 292 1 ends extrusion elastic element 294, the set stop column 295 of the other end leaves sprocket wheel 27 turn scopes, and then sprocket wheel 27 can rotate without restriction.Referring to Fig. 5, when control piece 29 descended, the inner core cable of attaching parts 291 loosened extension, and then action is pulled 292 and is subjected to elastic element 294 pushing tows, made the stop column 295 of the other end snap in the teeth groove of sprocket wheel 27, and then sprocket wheel 27 is just rotatable.
Referring to Fig. 1, Fig. 1, straight drawing pipe 3 is the pipe of hollow, two ends are respectively equipped with negative thread 31, the negative thread 31 at straight drawing pipe 3 two ends forms left and right different design, and screw by this negative thread 31 and the screw rod 22 of vehicle frame body 2 and the screw rod 33 of end pole 32, utilize the rotation of straight drawing pipe 3, the straight drawing pipe 3 and the total length of the strut bar 21 that links, end pole 32 can be changed, and available nut 34 fixing after adjusting.End pole 32 1 ends are established screw rod 33, and the other end is established axis hole 35, and axis hole 35 can be as shown in the figure, form open design, by this axis hole 35 can hinged front-wheel 13 rotating shaft; Should end pole 32 can do crooked design again, and make this end pole 32 have the elasticity of the vibrations accepted.
Lower link 5 forms left and right symmetricallies, and to be arranged on the both sides of vehicle frame body 2 more suitable, lower link 5 is to be provided with rotating cap head 52 therebetween with a screw rod 50, the screw thread of cap head 52 both sides be about to different designs, this left side, right-hand thread screws with an articulated bracket that can screw mutually 51 respectively, utilize the rotation of screw rod 50, the articulated bracket 51 that two ends are spun can be made length variations, and can be fixing after transferring by nut 54, but articulated bracket 51 is respectively equipped with pivotally attached annular distance 53, the annular distance 53 of one end articulated bracket 51 is movably articulated in the turning cylinder 23 of vehicle frame body 2, and the annular distance 53 of other end articulated bracket 51 is movably articulated in the following transverse axis 17 of vehicle body 1.
Combination situations referring to f-w-d frame shown in Figure 6, central siphon 15 by vehicle body 1 is hinged for axle 14, axle 14 bottom-hinged have front-wheel, and it establishes cross tube 16 respectively, sheer pole 17, by last, following transverse axis 16,17 keep supplying pull bar 4 respectively, the articulated bracket 41 of lower link 5 one ends, 51 with annular distance 43,53 are movably hinged, and top rod, lower link 4, the articulated bracket 41 of 5 other ends, 51 with annular distance 43,53 are movably articulated in turning cylinder 23,2 of vehicle frame bodies are by straight drawing pipe 3 combinations, 3 of straight drawing pipes are combined with end pole 32, be movably articulated in front-wheel 13 rotating shafts by end pole 32, and the sprocket wheel 131 and the vehicle frame body 2 set sprocket wheels 27 of front-wheel 13 are wound with chain 28, so, constitute f-w-d frame of the present utility model.
When this f-w-d frame has adjustment in case of necessity, can utilize the rotation of straight drawing pipe 3 screw rods 40,50, changing distance and the height between vehicle frame body 2 and the vehicle body 1, and it can increase by the active section of chain 28, subtracts and reach the length that changes chain, and then reaches the purpose of adjustment f-w-d frame.
Claims (4)
1, a kind of f-w-d of bicycle structure, include vehicle body, vehicle frame this stop, straight drawing pipe, top rod, lower link, it is characterized in that: above-mentioned vehicle body is provided with the seat cushion of taking advantage of seat for the bicyclist, can be trampled, be made the front and rear wheel of vehicle can be at the stretcher of ground running, be provided with the axle of movable rotation, support front-wheel in the vehicle body central siphon, this axle is combined with a support pad, and axle itself is provided with upper and lower transverse axis, be used to be movably hinged front axle actuator, and the handgrip of control direct of travel; Above-mentioned vehicle frame body is made up of two strut bars of a horizontal central siphon and extension downwards, two strut bars are respectively equipped with screw rod, screw for straight drawing pipe, central siphon is built-in with a turning cylinder, protrude at the turning cylinder two ends, and it is movably hinged the articulated bracket of top rod, lower link one end, and be combined with the sprocket wheel and the joystick of unitary rotation with turning cylinder, the sprocket wheel of sprocket wheel and front-wheel is centered on by chain, and this chain is provided with active section to change its length; Above-mentioned straight drawing pipe is a hollow tube, and its two ends are provided with the left and right screw thread of different directions, and an end screws on the screw rod of vehicle frame body, the screw rod of the other end and end pole screws, utilize the rotation of straight drawing pipe, can change its length, it is hinged that end pole is provided with the rotating shaft of axis hole and front-wheel; Top rod, the articulated bracket that screws respectively to screw rod and this screw rod two ends of different screw threads about being respectively equipped with by two ends is formed, articulated bracket is provided with annular distance, the annular distance of an articulated bracket is movably articulated on the turning cylinder of vehicle frame body, and the annular distance of another articulated bracket is movably articulated on the last transverse axis of vehicle body; Lower link, the articulated bracket that screws respectively to screw rod and this screw rod two ends of different screw threads about being respectively equipped with by two ends is formed, articulated bracket is provided with annular distance, the annular distance of an articulated bracket is movably articulated on the turning cylinder of vehicle frame body, and the annular distance of another articulated bracket is movably articulated on the following transverse axis of vehicle body.
2, the f-w-d of bicycle as claimed in claim 1 structure, it is characterized in that: the handgrip that above-mentioned joystick is received is provided with control piece, control piece and attaching parts one end are fixed, attaching parts holds the hole of driven member plate to pass through in addition, and break and be fixed in strut bar, its cover has elastic component, but pushing tow action plate, action plate end in addition is provided with stop column, and stop column can stretch into or leave the teeth groove of sprocket wheel.
3, the f-w-d of bicycle as claimed in claim 1 structure is characterized in that: the end pole of above-mentioned straight drawing pipe forms bending.
4, the f-w-d of bicycle as claimed in claim 1 structure, it is characterized in that: above-mentioned handgrip is provided with brake member, the brake member brake cable that has been pulled, brake cable is passed through spring tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97214458 CN2302190Y (en) | 1997-04-24 | 1997-04-24 | Front wheel driving structure for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97214458 CN2302190Y (en) | 1997-04-24 | 1997-04-24 | Front wheel driving structure for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2302190Y true CN2302190Y (en) | 1998-12-30 |
Family
ID=33931906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97214458 Expired - Fee Related CN2302190Y (en) | 1997-04-24 | 1997-04-24 | Front wheel driving structure for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2302190Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114892A (en) * | 2010-01-03 | 2011-07-06 | 姜仁滨 | Foot/hand-operated fast fitness bicycle and foot/hand-operated fast fitness tricycle |
-
1997
- 1997-04-24 CN CN 97214458 patent/CN2302190Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114892A (en) * | 2010-01-03 | 2011-07-06 | 姜仁滨 | Foot/hand-operated fast fitness bicycle and foot/hand-operated fast fitness tricycle |
| CN102114892B (en) * | 2010-01-03 | 2013-05-15 | 姜仁滨 | Foot/hand-operated fast fitness bicycle and foot/hand-operated fast fitness tricycle |
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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 |