CN202264866U - Coaxial transmission - Google Patents
Coaxial transmission Download PDFInfo
- Publication number
- CN202264866U CN202264866U CN2011203688706U CN201120368870U CN202264866U CN 202264866 U CN202264866 U CN 202264866U CN 2011203688706 U CN2011203688706 U CN 2011203688706U CN 201120368870 U CN201120368870 U CN 201120368870U CN 202264866 U CN202264866 U CN 202264866U
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- China
- Prior art keywords
- gear
- wheel
- wheel hub
- spindle
- ratchet
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- Expired - Lifetime
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Abstract
The utility model discloses a coaxial transmission, which can be arranged on the same rotating shaft with a wheel, so that the structural strength of the transmission is enhanced. A hub is connected to the middle of a spindle through a spindle sleeve, a central gear is connected onto the spindle sleeve of the hub, a left journal and a right journal of the spindle are connected with a bottom shaft of a left carrier and a right carrier of a wheel carrier respectively, a left spindle head is connected with a left pedal, a driving gear and a right pedal are connected onto a right spindle head sequentially from inside to outside, a counter shaft is connected with a right carrier shaft of the wheel carrier, a transmission gear and a driven gear are connected onto a left shaft head and a right shaft head of the counter shaft respectively, and the driven gear and the transmission gear are meshed with the driving gear and the central gear respectively. During use of the coaxial transmission, the spindle and the driving gear are driven to rotate forwards by the left pedal and the right pedal, the driving gear can drive the driven gear and the transmission gear to rotate reversely while the transmission gear can drive the central gear to rotate forwards, and finally, the central gear drives the hub and the wheel to rotate forwards around the spindle by the aid of a ratchet wheel and a pawl.
Description
Technical field
The utility model relates to a kind of transmission system of forerunner's formula bicycle, especially can change-speed box and wheel be arranged in the same rotating shaft, thus the coaxial speed variator of increase transmission system structural strength.
Background technology
At present, what known forerunner's formula bicycle adopted is internal gear formula change-speed box, because internal gear formula change-speed box is a split left and right formula structure, so the structural strength of transmission system is relatively poor.
Summary of the invention
In order to overcome the relatively poor deficiency of existing internal gear formula speed changer structure intensity, the utility model provides a kind of coaxial speed variator, and this coaxial speed variator can be arranged on change-speed box and wheel in the same rotating shaft, thereby increases the structural strength of transmission system.
The utility model solves the technical scheme that its technical matters adopted: the utility model comprises wheel carrier, wheel, wheel hub, pedal, driving gear, driven gear, transmission gear, sun gear, main shaft, countershaft, ratchet and pawl.Wheel hub is by the two cylindrical structures of the concentric type that plectane constituted of the axle sleeve at center, exterior annulus and side; Its horizontal section is the E font, and wheel hub is connected the midway location of main shaft through axle sleeve, and the annulus of wheel hub is connected with wheel through spoke; Sun gear is connected on the axle sleeve of wheel hub; The axle sleeve of wheel hub is provided with ratchet, in sun gear, is provided with ratchet, and ratchet cooperates with ratchet forms directional clutch.The left and right sides axle journal of main shaft is connected with the bottom axle of the left and right sides support of wheel carrier respectively, and the left spindle nose of main shaft is pedaled with left foot and is connected, and driving gear and right pedal from inside to outside have been linked in sequence on the right spindle nose of main shaft.Countershaft is connected with the right support axle of wheel carrier, on the spindle nose of the left and right sides of countershaft, is connected with transmission gear and driven gear respectively, and driven gear and transmission gear respectively with driving gear and sun gear engagement.In the use; When being rotated in the forward through left and right sides pedal driving main shaft and driving gear; Driving gear can drive driven gear and transmission gear contrarotation; And transmission gear can drive sun gear and is rotated in the forward, and final sun gear will be rotated in the forward around main shaft through ratchet and pawl drive hub and wheel.
The beneficial effect of the utility model is, can change-speed box and wheel be arranged in the same rotating shaft, thereby increase the structural strength of transmission system.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the front view of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the A-A profile of Fig. 1.
Fig. 4 is the B-B profile of Fig. 3.
Among the figure: 1. wheel carrier.2. wheel.3. transmission gear.4. wheel hub.5. pedal.6. driving gear.7. main shaft.8. driven gear.9. countershaft.10. sun gear.11. ratchet.12. ratchet.
The specific embodiment
In Fig. 1, Fig. 2, Fig. 3, wheel hub 4 is that its horizontal section is the E font by the two cylindrical structures of the concentric type that plectane constituted of the axle sleeve at center, exterior annulus and side; Wheel hub 4 is connected the midway location of main shaft 7 through axle sleeve; The annulus of wheel hub 4 is connected with wheel 2 through spoke, and sun gear 10 is connected on the axle sleeve of wheel hub 4, and the axle sleeve of wheel hub 4 is provided with ratchet 11; In sun gear 10, be provided with ratchet 12, ratchet 11 cooperates with ratchet 12 forms directional clutch.The left and right sides axle journal of main shaft 7 is connected with the bottom axle of the left and right sides support of wheel carrier 1 respectively, and the left spindle nose and the left foot of main shaft 7 are pedaled 5 and be connected, and driving gear 6 and right pedal 5 from inside to outside have been linked in sequence on the right spindle nose of main shaft 7.Countershaft 9 is connected with the right support axle of wheel carrier 1, on the spindle nose of the left and right sides of countershaft 9, is connected with transmission gear 3 and driven gear 8 respectively, and driven gear 8 meshes with driving gear 6 and sun gear 10 respectively with transmission gear 3.
In Fig. 3, Fig. 4; In the use; When being rotated in the forward with driving gear 6 through left and right sides pedal 5 driving main shaft 7; Driving gear 6 can drive driven gear 8 and transmission gear 3 contrarotations, and transmission gear 3 can drive sun gear 10 and is rotated in the forward, and final sun gear 10 will be rotated in the forward around main shaft 7 with wheel 2 through ratchet 12 and ratchet 11 drive hubs 4.
Claims (3)
1. coaxial speed variator; It comprises wheel carrier, wheel, wheel hub, pedal, driving gear, driven gear, transmission gear, sun gear, main shaft, countershaft, ratchet and pawl, it is characterized in that: wheel hub is that wheel hub is connected the midway location of main shaft through axle sleeve by the two cylindrical structures of the concentric type that plectane constituted of the axle sleeve at center, exterior annulus and side; The annulus of wheel hub is connected with wheel through spoke; Sun gear is connected on the axle sleeve of wheel hub, and the axle sleeve of wheel hub is provided with ratchet, in sun gear, is provided with ratchet; The left and right sides axle journal of main shaft is connected with the bottom axle of the left and right sides support of wheel carrier respectively; The left spindle nose of main shaft is pedaled with left foot and is connected, on the right spindle nose of main shaft, be linked in sequence from inside to outside driving gear and right pedal, and countershaft is connected with the right support axle of wheel carrier; On the spindle nose of the left and right sides of countershaft, be connected with transmission gear and driven gear respectively, and driven gear and transmission gear respectively with driving gear and sun gear engagement.
2. coaxial speed variator according to claim 1 is characterized in that: its horizontal section of described wheel hub is the E font.
3. coaxial speed variator according to claim 1 is characterized in that: described ratchet cooperates with ratchet forms directional clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203688706U CN202264866U (en) | 2011-10-06 | 2011-10-06 | Coaxial transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203688706U CN202264866U (en) | 2011-10-06 | 2011-10-06 | Coaxial transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202264866U true CN202264866U (en) | 2012-06-06 |
Family
ID=46155675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203688706U Expired - Lifetime CN202264866U (en) | 2011-10-06 | 2011-10-06 | Coaxial transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202264866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381432A (en) * | 2011-10-06 | 2012-03-21 | 张卫 | Coaxial transmission |
-
2011
- 2011-10-06 CN CN2011203688706U patent/CN202264866U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381432A (en) * | 2011-10-06 | 2012-03-21 | 张卫 | Coaxial transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120606 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |