CN202006867U - Gear transmission system of pedal bicycle - Google Patents
Gear transmission system of pedal bicycle Download PDFInfo
- Publication number
- CN202006867U CN202006867U CN2011200719280U CN201120071928U CN202006867U CN 202006867 U CN202006867 U CN 202006867U CN 2011200719280 U CN2011200719280 U CN 2011200719280U CN 201120071928 U CN201120071928 U CN 201120071928U CN 202006867 U CN202006867 U CN 202006867U
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- China
- Prior art keywords
- gear
- driving gear
- treadle
- shaft
- level
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Abstract
The utility model relates to a gear transmission system of a pedal bicycle, which mainly comprises a driving gear. The center of the driving gear is fixedly connected with a driving gear shaft, two ends of the driving gear shaft are respectively fixedly connected with the end of a half shaft, the other end of the half shaft is movably connected with the front end of a foot bar by a connecting rod, the foot bar is movably connected onto a gear rack vertical rod by a foot bar support shaft, the driving gear is meshed with a direction-changing gear, the direction-changing gear is meshed with a primary transmission gear, and a coaxial secondary transmission gear is disposed on the side with the primary transmission gear and provided with a chain so as to realize transmission with a driven gear. The gear transmission system leads the driving gear to rotate by the aid of the lever principle, and achieves the purpose of saving labor by the aid of power assisting function of two cylinders.
Description
Technical field
The utility model relates to a kind of gear train assembly of pedal man car, and this system is mainly used in bicycle or manual tricycle.
Background technology
The driving system of bicycle of the prior art or manual tricycle mainly adopts gear train assembly, and it is made of driving gear, driven gear and chain, installs fixed crankshaft at the centre bit of driving gear, and pin is stepped on and is fixed on the bent axle.Step on pin in the time of by bike and step on driving gear is rotated, drive driven gear and back wheels of vehicle by chain-driving and rotate and move ahead.Although in the prior art this gear train assembly has been done some improvement, as employing multi-stage gear speed change, but still the effort of riding.
Summary of the invention
At above-mentioned the problems of the prior art, the purpose of this utility model is to provide a kind of gear train assembly of pedal man car, and it is laborsaving that this system can make bicycle or manual tricycle ride.
The utility model is the technical scheme that its purpose of realization is taked: a kind of gear train assembly of pedal man car, comprise driving gear, and the affixed driving gear shaft in the center of described driving gear, described driving gear shaft two ends are affixed with the termination of semiaxis respectively; The other end of described semiaxis flexibly connects through connecting rod and treadle front end, and described treadle is movably connected on the tooth rest montant by the treadle fulcrum; Described driving gear and change gear engagement, described change gear and the engagement of one-level variable gear, described one-level variable gear side is established coaxial two stage speed change gear, and chain established by described two stage speed change gear and driven gear constitutes transmission.Described connecting rod flexibly connects through the expansion link of one-level movable brace rod and one-level oil cylinder.Described treadle flexibly connects through the expansion link of secondary movable brace rod and two-level oil cylinder.
The revolution ratio of described driving gear and change gear is 1 ﹕ 2.
The beneficial effects of the utility model: this gear train assembly rotates driving gear by lever principle, adopts the power-assisted effect of two-stage oil cylinder in addition, makes this system reach the labour-saving purpose.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
Fig. 1 is the utility model embodiment one main TV structure scheme drawing;
Fig. 2 is embodiment one perspective view;
Fig. 3 is embodiment two main TV structure scheme drawings;
Fig. 4 is embodiment three main TV structure scheme drawings;
Fig. 5 is embodiment four perspective view A;
Fig. 6 is embodiment four perspective view B;
Fig. 7 is the main scheme drawing of looking of driving gear, driving gear shaft and semiaxis assembling;
Fig. 8 is the schematic top plan view of Fig. 7;
Fig. 9 is the schematic perspective view of Fig. 7.
Among the figure: 1, treadle, 2, connecting rod, 3, semiaxis, 4, driving gear, 5, driving gear shaft, 6, change gear, 7, the one-level variable gear, 8, the two stage speed change gear, 9, chain, 10, driven gear, 11, front-wheel, 12, the one-level hydraulic actuating cylinder, 12.1, one-level hydraulic actuating cylinder expansion link, 13, two-stage hydraulic cylinder, 13.1, the two-stage hydraulic cylinder expansion link, 14, one-level movable brace rod, 15, the secondary movable brace rod, 16, the tooth rest montant, 17, treadle fulcrum, 18, the tooth rest cross bar, 19, trailing wheel.
The specific embodiment
Embodiment one
As shown in Figure 1, 2, the utility model comprises driving gear 4, the affixed driving gear shaft 5 in the center of driving gear 4, and promptly driving gear 4 and driving gear shaft 5 can be made into one.Driving gear shaft 5 is installed on the tooth rest cross bar 18.Two ends at driving gear shaft 5 are affixed with the termination of semiaxis 3 respectively.The assembling mode of driving gear, driving gear shaft and semiaxis is shown in Fig. 7-9.The two ends of connecting rod 2 are movably connected in the other end of semiaxis 3 and the front end of treadle 1 respectively, and treadle 1 is movably connected on the tooth rest montant 16 by treadle fulcrum 17.Driving gear 4 and change gear 6 engagements, change gear 6 and 7 engagements of one-level variable gear, one-level variable gear 7 sides are established coaxial two stage speed change gear 8, and the driven gear 10 that two stage speed change gear 8 is established on chain 9 and trailing wheel 19 centers constitutes transmission.Change gear 6 and one-level variable gear 7 are installed in respectively on the tooth rest cross bar 18 by gear wheel shaft separately.Driving gear 4 is 1 ﹕ 2 with the revolution ratio of change gear 6, and this revolution ratio also viewable design requires suitably to adjust.
Embodiment two
As shown in Figure 3, present embodiment is to set up one-level hydraulic actuating cylinder 12 on the basis of embodiment one, and the termination of one-level hydraulic actuating cylinder expansion link 12.1 flexibly connects one-level movable brace rod 14, and the other end of one-level movable brace rod 14 and connecting rod 2 bottoms flexibly connect.This example is by setting up the one-level hydraulic actuating cylinder connecting rod to be played booster action.
Embodiment three
As shown in Figure 4, present embodiment is to set up two-stage hydraulic cylinder 13 on the basis of embodiment one, and the termination of two-stage hydraulic cylinder expansion link 13.1 flexibly connects secondary movable brace rod 15, and the other end of secondary movable brace rod 15 and treadle 1 middle part flexibly connect.This example is by setting up two-stage hydraulic cylinder treadle to be played booster action.
Embodiment four
Shown in Fig. 5,6, present embodiment is to set up I and II hydraulic actuating cylinder 12,13 on the basis of embodiment one simultaneously, connection mode such as embodiment two, three.This example makes this gear train more laborsaving by two-stage hydraulic actuating cylinder power-assisted.
Claims (4)
1. the gear train assembly of a pedal man car comprises driving gear (4), it is characterized in that: the affixed driving gear shaft in center (5) of described driving gear (4), and described driving gear shaft (5) two ends are affixed with the termination of semiaxis (3) respectively; The other end of described semiaxis (3) flexibly connects through connecting rod (2) and treadle (1) front end, and described treadle (1) is movably connected on the tooth rest montant (16) by treadle fulcrum (17); Described driving gear (4) and change gear (6) engagement, described change gear (6) and one-level variable gear (7) engagement, described one-level variable gear (7) side is established coaxial two stage speed change gear (8), and described two stage speed change gear (8) is established chain (9) and constituted transmission with driven gear (10).
2. the gear train assembly of pedal man car according to claim 1 is characterized in that: described connecting rod (2) flexibly connects through the expansion link of one-level movable brace rod (14) with the one-level oil cylinder.
3. the gear train assembly of pedal man car according to claim 2 is characterized in that: described treadle (1) flexibly connects through the expansion link of secondary movable brace rod (15) with two-level oil cylinder.
4. according to the gear train assembly of each described pedal man car of claim 1-3, it is characterized in that: described driving gear (4) is 1 ﹕ 2 with the revolution ratio of change gear (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200719280U CN202006867U (en) | 2011-03-18 | 2011-03-18 | Gear transmission system of pedal bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200719280U CN202006867U (en) | 2011-03-18 | 2011-03-18 | Gear transmission system of pedal bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202006867U true CN202006867U (en) | 2011-10-12 |
Family
ID=44748525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200719280U Expired - Fee Related CN202006867U (en) | 2011-03-18 | 2011-03-18 | Gear transmission system of pedal bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202006867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167131A (en) * | 2011-03-18 | 2011-08-31 | 乔长明 | Gear drive system of pedal rickshaw |
-
2011
- 2011-03-18 CN CN2011200719280U patent/CN202006867U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167131A (en) * | 2011-03-18 | 2011-08-31 | 乔长明 | Gear drive system of pedal rickshaw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20150318 |
|
| EXPY | Termination of patent right or utility model |