CN2113239U - Pedal chain transmission gear for rickshaw - Google Patents
Pedal chain transmission gear for rickshaw Download PDFInfo
- Publication number
- CN2113239U CN2113239U CN 92202585 CN92202585U CN2113239U CN 2113239 U CN2113239 U CN 2113239U CN 92202585 CN92202585 CN 92202585 CN 92202585 U CN92202585 U CN 92202585U CN 2113239 U CN2113239 U CN 2113239U
- Authority
- CN
- China
- Prior art keywords
- axis
- pedal
- rickshaw
- bevel gear
- screw rod
- 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.)
- Pending
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Abstract
The utility model belongs to a rickshaw and a pedal chain transmission gear for a bicycle. The utility model is characterized in that a large turn part is divided into two sections which are mutually inserted and connected; t a kinematic pair composed of a screw rod and an adjusting nut are arranged on the large turn part; a bevel gear on the screw rod can be driven by a bevel gear a the central shaft. The length of a force arm of the large turn part can be optionally adjusted by the operation of a moment changing mechanism so as to adapt different ramps and load capacities. Therefore, the operation is free, and the ride is light and quick.
Description
The utility model relates to a kind of rickshaw pedal chain gearing.
Available man-power three-wheel vehicle and bicycle generally adopt the pedal chain-driving, promptly stepping on pedal, are driving and turn greatly, and the minor sprocket that hinge wheel is driven on chain and the flywheel by axis rotates.The diameter of hinge wheel and minor sprocket and on the teeth number different to obtain a fixing transmitting ratio.This pedal chain drive structure is simple, reliable transmission, but meet ramp and load carrying ability size variation, painstaking and the not satisfactory shortcoming of speed are just arranged.
The purpose of this utility model provides a kind of rickshaw pedal chain gearing that can arbitrarily change rotating torque, to adapt to the variation of road conditions, ramp and load carrying ability, more feels freely brisk when making the people by bike.
For reaching this goal of the invention, with existing by pedal, turn greatly, axis, hinge wheel, be installed in the rickshaw pedal driving device that minor sprocket on the drive wheel flywheel and chain form middle axle head turn greatly be designed to be mutual grafting, can slide, change arm of force length along its length two sections.Wherein with the friction tight connecting lever section in axis two ends on each parallel installation one screw rod, be fixed on finishing bevel gear cuter and the finishing bevel gear cuter engagement that is sleeved on the axis on the screw rod, install be fixed with on the connecting lever section of pedal with other two sections connecting lever sections on screw rod form the setting nut of kinematic pair.But there is a synchronous braking to be sleeved on the bending moment mechanism of two finishing bevel gear cuters on the axis on the car.When normally riding, the drg of bending moment mechanism not contact sleeve is contained in finishing bevel gear cuter on the axis, and this finishing bevel gear cuter can trackslip around axis.As meet slope or load carrying ability when big, operation bending moment mechanism, braking sleeve is contained in the finishing bevel gear cuter on the axis, simultaneously along stepping on or the anti-pedal of stepping on, finishing bevel gear cuter on the connecting lever section and screw rod are rotated by the finishing bevel gear cuter on the axis, thus the connecting lever section that makes setting nut band on another connecting lever section pedal slide along plug-in unit, elongation is turned greatly to suitable long length, unclamp the drg of torque changing apparatus again, ridden with regard to leicht fallen D/A.Otherwise can make and turn shortening greatly.Because this device can arbitrarily change fast and turn arm of force length greatly, regulate the moment of riding, its effect is better than existing internal-gear type or external tooth type change wheel device.
A kind of embodiment of the present utility model is, the inserting mode of two sections connecting levers at axis two ends is made dovetail furrow.
Another embodiment of the present utility model is that the inserting mode of two sections connecting levers at axis two ends is square shaft and square tube.
The screw rod in the utility model and the screw thread of setting nut can be trapezoidal, rectangles, also can be triangles.
Embodiment describes the utility model below in conjunction with accompanying drawing.
Fig. 1 is the utility model rickshaw pedal chain-driving torque changing apparatus scheme drawing.
As shown in Figure 1, be set with two finishing bevel gear cuters 9 on the axis 8, parallel installation screw rod 5 on the friction tight connecting lever section 7 in axis 8 two ends, finishing bevel gear cuter 6 is fixed on the screw rod 5 and meshes with finishing bevel gear cuter 9, pedal 1 is contained on the connecting lever section 2, connecting lever section 2 and connecting lever section 7 are connected with dovetail furrow, are fixed with setting nut 3 on the connecting lever section 2, screw pitch nut 3 and screw rod 5 component movement pairs.The synchronous braking device 10 of torque changing apparatus can be lock pin or friction shoe or brake collar, and axis 8 is installed on the vehicle frame 11, the minor sprocket 14 that hinge wheel 12 drives on the flywheel by chain 13.
Claims (3)
1, a kind of rickshaw pedal chain gearing, by pedal, turn greatly, axis, hinge wheel, the minor sprocket and the chain that are installed on the drive wheel flywheel are formed, and it is characterized in that:
Turning greatly of a, axis two ends is mutual grafting, can slide along its length, changes two sections of arm of force length;
B, with the friction tight connecting lever section in axis two ends on each parallel installation one screw rod, be fixed on finishing bevel gear cuter and the finishing bevel gear cuter engagement that is sleeved on the axis on the screw rod;
C, install be fixed with on the connecting lever section of pedal with other two sections connecting levers on screw rod form the setting nut of kinematic pair;
But d, there is a synchronous braking to be sleeved on the bending moment mechanism of two finishing bevel gear cuters on the axis.
2, rickshaw pedal chain gearing according to claim 1, the inserting mode that it is characterized in that two sections connecting levers at said axis two ends is a dovetail furrow.
3, rickshaw pedal chain gearing according to claim 1, the inserting mode that it is characterized in that two sections connecting levers at said axis two ends is square shaft and square tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92202585 CN2113239U (en) | 1992-02-13 | 1992-02-13 | Pedal chain transmission gear for rickshaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92202585 CN2113239U (en) | 1992-02-13 | 1992-02-13 | Pedal chain transmission gear for rickshaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2113239U true CN2113239U (en) | 1992-08-19 |
Family
ID=4949396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92202585 Pending CN2113239U (en) | 1992-02-13 | 1992-02-13 | Pedal chain transmission gear for rickshaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2113239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085898A (en) * | 2009-12-02 | 2011-06-08 | 戴奕光 | Bicycle booster |
-
1992
- 1992-02-13 CN CN 92202585 patent/CN2113239U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085898A (en) * | 2009-12-02 | 2011-06-08 | 戴奕光 | Bicycle booster |
| CN102085898B (en) * | 2009-12-02 | 2014-04-16 | 戴奕光 | Bicycle booster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |