CN220332886U - Simple face gear speed-changing chainless bicycle - Google Patents
Simple face gear speed-changing chainless bicycle Download PDFInfo
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- CN220332886U CN220332886U CN202321384937.4U CN202321384937U CN220332886U CN 220332886 U CN220332886 U CN 220332886U CN 202321384937 U CN202321384937 U CN 202321384937U CN 220332886 U CN220332886 U CN 220332886U
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Abstract
The utility model discloses a simple face gear speed-changing chainless bicycle, wherein a front wheel is connected with a rear wheel through a bicycle beam, a steering column connected with the bicycle beam is arranged below a handlebar, a steering arm is arranged at the tail end of the steering column, the bicycle beam is provided with a steering column connected with the rear wheel, and the steering arm is connected with the steering column above the rear wheel through a steering push-pull cable; a first shock absorber connected with the rear wheels is arranged below the steering column; the saddle is arranged in the middle of the vehicle beam; the front wheel is provided with a plurality of circles of face gears with different diameters, the vehicle beam is provided with a cylindrical gear meshed with the face gears, and the cylindrical gear is connected with the handle bar through a speed-changing push-pull rope. The utility model adopts a simple face gear speed change mechanism, and has high transmission efficiency; the steering device has the advantages of rear steering, front driving, flexible steering and small turning radius; the center of gravity of the saddle is low, the wind resistance is small, and the saddle is safe and prevents falling; the speed change range is wide, and the speed can be fast or slow; the chain is not arranged, so that chain deflection resistance caused by different surfaces of the chain plate is avoided; the large-modulus gear is adopted, so that the strength is high and the durability is high; the failure rate is low, and the maintenance is easy.
Description
Technical Field
The utility model relates to the technical field of bicycles, in particular to a simple face gear speed-changing chainless bicycle.
Background
Most of the existing bicycles adopt chain variable-speed transmission, and have the advantages of large friction force, high failure rate, poor stability, frequent chain dropping, low transmission efficiency, low speed and complex structure.
Therefore, a simple face gear speed-changing chainless bicycle is a problem to be solved urgently.
Disclosure of Invention
The utility model aims to provide a simple face gear speed-changing chainless bicycle.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a simple face gear speed-changing chainless bicycle comprises a front wheel, a rear wheel, a handlebar, a saddle and a beam; the front wheels are connected with the rear wheels through a vehicle beam, a steering column connected with the vehicle beam is arranged below the handle bar, a steering arm is arranged at the tail end of the steering column, the vehicle beam is provided with a steering column connected with the rear wheels, and the steering arm is connected with the steering column above the rear wheels through a steering push-pull cable; a first shock absorber connected with the rear wheels is arranged below the steering column; the saddle is arranged in the middle of the vehicle beam; the front wheel is provided with a plurality of circles of face gears with different diameters, the vehicle beam is provided with a cylindrical gear meshed with the face gears, the cylindrical gear is connected with a shifting fork, and the shifting fork is connected with a handle bar through a speed-changing push-pull cable.
Further, the cylindrical gear comprises a driving cylindrical gear, a driven cylindrical gear and a torque transmission cylindrical gear, the driving cylindrical gear and the driven cylindrical gear are respectively meshed with the end face gears with different diameters, and a gear shaft and a shifting fork shaft are arranged between the driving cylindrical gear and the driven cylindrical gear; the torque transmitting spur gears are provided in two and intermeshed.
Further, a driving shaft positioned at the center of the front wheel is arranged on the vehicle beam, a bearing is arranged outside the driving shaft, spokes of the front wheel are arranged outside the bearing, a flywheel is arranged outside the bearing, a left driven end face gear disc is arranged on the outer ring of the flywheel, and a first auxiliary supporting wheel is arranged at one side, close to the front wheel, of the tail end of the left driven end face gear disc; a right driving end face gear disc is arranged on the outer side of the driving shaft, and a second auxiliary supporting wheel is arranged on the outer side of the right driving end face gear disc; the left driven end face gear disc is provided with a first sliding straight gear which is connected with the frame through a first shifting fork; a second sliding straight gear is arranged on the right driving end face gear disc and is connected with the frame through a second shifting fork; the first sliding straight gear and the second sliding straight gear are respectively provided with a straight gear shaft, and the straight gear shafts are respectively provided with gear shaft bearings; the right side of the frame is provided with a right pedal arm connected with a driving shaft, and the tail end of the right pedal arm is provided with a right pedal.
Further, a transmission shaft is arranged on the front wheel, the cylindrical gears are arranged at two ends of the transmission shaft, and the two sides of each cylindrical gear are provided with a driving end face gear and a driven end face gear.
Further, the middle part of the vehicle beam is provided with a driving end face gear disc, the front wheel is provided with a driven end face gear disc, the driving end face gear disc and the driven end face gear disc are connected through two cylindrical gears capable of respectively shifting, the two cylindrical gears are connected through a transmission shaft, the driving end face gear disc is connected with the vehicle beam through a middle shaft, and the center of the driving end face gear disc is connected with a pedal.
Further, the middle part of the vehicle beam is provided with a driving end face gear disc, the rear wheel is provided with a driven end face gear disc, the driving end face gear disc and the rear wheel are connected through two cylindrical gears capable of respectively shifting, the two cylindrical gears are connected through a transmission shaft, the driving end face gear disc is connected with the vehicle beam through a middle shaft, the center of the driving end face gear disc is connected with a pedal, and the driven end face gear disc is connected with a flywheel of the rear wheel.
Compared with the prior art, the utility model has the advantages that: the utility model adopts a simple face gear speed change mechanism, and has high transmission efficiency; the steering device has the advantages of rear steering, front driving, flexible steering and small turning radius; the center of gravity of the saddle is low, the wind resistance is small, and the saddle is safe and prevents falling; the speed change range is wide, and the speed can be fast or slow; the pedal driving force is larger and can be larger than the dead weight of a human body; the chain is not arranged, so that chain deflection resistance caused by different surfaces of the chain plate is avoided; the tea is suitable for a wide range of people and suitable for all ages; the large-modulus gear is adopted, so that the strength is high and the durability is high; because of the front direct drive, the anchoring cannot occur, and the middle shaft and the front wheel can be locked in an emergency way at any time to synchronize; the failure rate is low, and the maintenance is easy.
Drawings
Fig. 1 is a schematic diagram of a simple face-gear shifting chainless bicycle of the present utility model.
Fig. 2 is a schematic structural view of a front wheel chainless direct-drive rear steering double-short transmission shaft.
Fig. 3 is a schematic structural view of a front wheel chainless direct-drive rear steering single transmission shaft.
Fig. 4 is a schematic diagram of a transmission structure of a single transmission shaft.
Fig. 5 is a schematic structural view of a rear steering single drive shaft driven from a center shaft to a front wheel.
Fig. 6 is a schematic structural view of a front steering single drive shaft driven from a center shaft to a rear wheel.
As shown in the figure: 1. front wheels, 2, rear wheels, 3, handle bars, 4, saddle, 5, beam, 6, steering column, 7, steering arm, 8, steering column, 9, steering push-pull cable, 10, first shock absorber, 11, face gear, 12, spur gear, 13, shift push-pull cable, 14, second shock absorber, 15, basket, 16, driving spur gear, 17, driven spur gear, 18, torque transmitting spur gear, 19, gear shaft, 20, shift rail, 21, front mud tile, 22, rear mud tile, 23, rear seat, 24, drive shaft, 25, bearing, 26, spoke, 27, a flywheel, 28, a left driven end face gear disc, 29, a first auxiliary supporting wheel, 30, a right driving end face gear disc, 31, a second auxiliary supporting wheel, 32, a first sliding spur gear, 33, a first shifting fork, 34, a second sliding spur gear, 35, a second shifting fork, 36, a spur gear shaft, 37, a gear shaft bearing, 38, a transmission shaft, 39, a driving end face gear disc, 40, a driving end face gear disc, 41, a driven end face gear disc, 42, a central shaft, 43, a pedal, 44, a right pedal arm, 45 and a right pedal.
Detailed Description
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the utility model, a "first feature" or "second feature" may include one or more of such features. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The simple face gear speed-changing chainless bicycle of the utility model is further described in detail below with reference to the accompanying drawings.
The present utility model will be described in detail with reference to fig. 1-6.
A simple face gear speed-changing chainless bicycle comprises a front wheel 1, a rear wheel 2, a handlebar 3, a saddle 4 and a beam 5; the front wheels 1 are connected with the rear wheels 2 through the vehicle beams 5, a steering column 6 connected with the vehicle beams 5 is arranged below the handle bars 3, a steering arm 7 is arranged at the tail end of the steering column 6, the vehicle beams 5 are provided with steering columns 8 connected with the rear wheels 2, and the steering arms 7 are connected with the steering columns 8 above the rear wheels 2 through steering push-pull cables 9; a first shock absorber 10 connected with the rear wheel 2 is arranged below the steering column 8; the saddle 4 is arranged in the middle of the vehicle beam 5; the front wheel 1 is provided with a plurality of circles of face gears 11 with different diameters, the vehicle beam 5 is provided with a cylindrical gear 12 meshed with the face gears 11, the cylindrical gear 12 is connected with a shifting fork, and the shifting fork is connected with the handlebar 3 through a speed change push-pull cable 13.
The bottom of the saddle 4 is provided with a second shock absorber 14 connected with the vehicle beam 5.
A basket 15 connected with the beam 5 is arranged above the front wheels 1.
The cylindrical gear 12 comprises a driving cylindrical gear 16, a driven cylindrical gear 17 and a torque transmission cylindrical gear 18, wherein the driving cylindrical gear 16 and the driven cylindrical gear 17 are respectively meshed with face gears with different diameters, and a gear shaft 19 and a shifting fork shaft 20 are arranged between the driving cylindrical gear 16 and the driven cylindrical gear 17; the torque transmitting spur gears 18 are provided in two and intermeshed.
A front mud tile 21 which is arranged below the bicycle basket 15 and connected with the steering column 6 is arranged above the front wheel 1, and a rear mud tile 22 which is connected with the bicycle beam 5 is arranged above the rear wheel 2.
A rear seat 23 or a glove box is arranged above the steering column 8.
The driving shaft 24 positioned at the center of the front wheel 1 is arranged on the vehicle beam 5, a bearing 25 is arranged outside the driving shaft 24, spokes 26 of the front wheel 1 are arranged outside the bearing 25, a flywheel 27 is also arranged outside the bearing 25, a left driven end face gear disc 28 is arranged on the outer ring of the flywheel 27, and a first auxiliary supporting wheel 29 is arranged at one side, close to the front wheel 1, of the tail end of the left driven end face gear disc 28; a right driving end face gear disc 30 is arranged outside the driving shaft 24, and a second auxiliary supporting wheel 31 is arranged outside the right driving end face gear disc 30; the left driven end face gear disc 28 is provided with a first sliding straight gear 32, and the first sliding straight gear 32 is connected with a frame through a first shifting fork 33; a second sliding straight gear 34 is arranged on the right driving end face gear disc 30, and the second sliding straight gear 34 is connected with the frame through a second shifting fork 35; the first sliding spur gear 32 and the second sliding spur gear 34 are respectively provided with a spur gear shaft 36, and the spur gear shafts 36 are respectively provided with a gear shaft bearing 37; the right side of the frame is provided with a right pedal arm 44 connected with the driving shaft 24, and the tail end of the right pedal arm 44 is provided with a right pedal 45.
The front wheel 1 is provided with a transmission shaft 38, the cylindrical gears are arranged at two ends of the transmission shaft 38, and the two sides of the cylindrical gears are provided with a driven end face gear 39.
The middle part of the vehicle beam 5 is provided with a driving end face gear disc 40, the front wheel 1 is provided with a driven end face gear disc 41, the driving end face gear disc and the driven end face gear disc are connected through two cylindrical gears 12 capable of respectively shifting, the two cylindrical gears 12 are connected through a transmission shaft 38, the driving end face gear disc 40 is connected with the vehicle beam 5 through a middle shaft 42, and the center of the driving end face gear disc 40 is connected with a pedal 43.
The middle part of the beam 5 is provided with a driving end face gear disc 40, the rear wheel 2 is provided with a driven end face gear disc 41, the driving end face gear disc 40 and the driven end face gear disc 41 are connected through two cylindrical gears 12 capable of respectively shifting, the two cylindrical gears 12 are connected through a transmission shaft 38, the driving end face gear disc 40 is connected with the beam 5 through a middle shaft 42, the center of the driving end face gear disc 40 is connected with a pedal 43, and the driven end face gear disc 41 is connected with the flywheel 27 of the rear wheel 2.
The utility model relates to a simple face gear speed-changing chainless bicycle, which comprises the following specific implementation processes:
example 1
The front wheels 1 and the rear wheels 2 are connected through a vehicle beam 5, a vehicle seat 4 is arranged in the middle of the vehicle beam 5, and a second shock absorber 14 is arranged at the bottom of the vehicle seat 4 to improve the shock absorption effect; a steering column 8 is arranged at the joint of the rear part of the vehicle beam 5 and the rear wheel 2, a first shock absorber 10 connected with the rear wheel 2 is arranged below the steering column 8, a rear seat 23 is arranged above the steering column 8, and a rear mud tile 22 connected with the vehicle beam 5 is arranged below the rear seat 23; the steering column 6 connected with the handle bars 3 is arranged at the front part of the vehicle beam 5, the steering arm 7 is arranged at the lower end of the steering column 6, the steering arm 7 is connected with the steering column 8 through the steering push-pull cable 9, and then the steering of the rear wheels 2 is adjusted, so that the steering of the rear wheels is realized.
A front mud tile 21 connected with the beam 5 is arranged above the front wheel 1, and a bicycle basket 15 is arranged above the front mud tile 21; the front wheel 1 is provided with a face gear 11 and a cylindrical gear 12 meshed with the face gear for speed regulation, and the specific speed regulation structure is as follows:
the center of the front wheel 1 is provided with a driving shaft 24, a bearing 25 is arranged outside the driving shaft 24, spokes 26 of the front wheel 1 are arranged outside the bearing 25, a flywheel 27 is arranged outside the bearing 25, the outer ring of the flywheel 27 is provided with a left driven end face gear disc 28, and one side, close to the front wheel 1, of the tail end of the left driven end face gear disc 28 is provided with a first auxiliary supporting wheel 29; the outer side of the driving shaft 24 is provided with a right driving end face gear disc 30, and one side of the right driving end face gear disc 30, which is close to the frame, is provided with a second auxiliary supporting wheel 31; the left driven end face gear disc 28 is provided with a first sliding straight gear 32, and the first sliding straight gear 32 is connected with the frame through a first shifting fork 33; the right driving end face gear disc 30 is provided with a second sliding straight gear 34, and the second sliding straight gear 34 is connected with the frame through a second shifting fork 35; the first sliding straight gear 32 and the second sliding straight gear 34 are respectively provided with a straight gear shaft 36, and the straight gear shafts 36 are respectively provided with gear shaft bearings 37; the right side of the frame is provided with a right pedal arm 44 connected with the driving shaft 24, and the tail end of the right pedal arm 44 is provided with a right pedal 45.
Example 2
The front wheels 1 and the rear wheels 2 are connected through a vehicle beam 5, a vehicle seat 4 is arranged in the middle of the vehicle beam 5, and a second shock absorber 14 is arranged at the bottom of the vehicle seat 4 to improve the shock absorption effect; a steering column 8 is arranged at the joint of the rear part of the vehicle beam 5 and the rear wheel 2, a first shock absorber 10 connected with the rear wheel 2 is arranged below the steering column 8, a rear seat 23 is arranged above the steering column 8, and a rear mud tile 22 connected with the vehicle beam 5 is arranged below the rear seat 23; the steering column 6 connected with the handle bars 3 is arranged at the front part of the vehicle beam 5, the steering arm 7 is arranged at the lower end of the steering column 6, the steering arm 7 is connected with the steering column 8 through the steering push-pull cable 9, and then the steering of the rear wheels 2 is adjusted, so that the steering of the rear wheels is realized.
A front mud tile 21 connected with the beam 5 is arranged above the front wheel 1, and a bicycle basket 15 is arranged above the front mud tile 21; the front wheel 1 is provided with a face gear 11 and a cylindrical gear 12 meshed with the face gear for speed regulation, and the specific speed regulation structure is as follows:
the front wheel 1 is provided with a transmission shaft 38, and the direction of the transmission shaft 38 can be 360 degrees around the vertical plane direction of the front wheel shaft; the cylindrical gear 12 is disposed at two ends of the transmission shaft 38, and the driving end face gear disk 40 and the driven end face gear disk 41 are disposed at two sides of the cylindrical gear 12, respectively, so that the cylindrical gear 12 must be disposed obliquely and offset from the front gear in order to ensure that the cylindrical gear 12 does not interfere with the end face gears that it should engage.
Example 3
The front wheels 1 and the rear wheels 2 are connected through a vehicle beam 5, a vehicle seat 4 is arranged in the middle of the vehicle beam 5, and a second shock absorber 14 is arranged at the bottom of the vehicle seat 4 to improve the shock absorption effect; a steering column 8 is arranged at the joint of the rear part of the vehicle beam 5 and the rear wheel 2, a first shock absorber 10 connected with the rear wheel 2 is arranged below the steering column 8, a rear seat 23 is arranged above the steering column 8, and a rear mud tile 22 connected with the vehicle beam 5 is arranged below the rear seat 23; the steering column 6 connected with the handle bars 3 is arranged at the front part of the vehicle beam 5, the steering arm 7 is arranged at the lower end of the steering column 6, the steering arm 7 is connected with the steering column 8 through the steering push-pull cable 9, and then the steering of the rear wheels 2 is adjusted, so that the steering of the rear wheels is realized.
A front mud tile 21 connected with the beam 5 is arranged above the front wheel 1, and a bicycle basket 15 is arranged above the front mud tile 21; the front wheel 1 is provided with a face gear 11 and a cylindrical gear 12 meshed with the face gear for speed regulation, and the specific speed regulation structure is as follows:
the middle part of the vehicle beam 5 is provided with a driving end face gear disc 40, the front wheel 1 is provided with a driven end face gear disc 41, the driving end face gear disc 41 and the driven end face gear disc are connected through cylindrical gears 12, the two cylindrical gears 12 are connected through a transmission shaft 38, the driving end face gear disc 40 is connected with the vehicle beam 5 through a middle shaft 42, and the center of the driving end face gear disc 40 is connected with a pedal 43; only one transmission shaft 38 is adopted, and the transmission shafts 38 can be arranged in parallel or inclined at a small angle from the direction of the connecting line of the two shafts.
Example 4
The front wheels 1 and the rear wheels 2 are connected through a vehicle beam 5, a vehicle seat 4 is arranged in the middle of the vehicle beam 5, and a second shock absorber 14 is arranged at the bottom of the vehicle seat 4 to improve the shock absorption effect; a steering column 8 is arranged at the joint of the rear part of the vehicle beam 5 and the rear wheel 2, a first shock absorber 10 connected with the rear wheel 2 is arranged below the steering column 8, a rear seat 23 is arranged above the steering column 8, and a rear mud tile 22 connected with the vehicle beam 5 is arranged below the rear seat 23; the steering column 6 connected with the handle bars 3 is arranged at the front part of the vehicle beam 5, the steering arm 7 is arranged at the lower end of the steering column 6, the steering arm 7 is connected with the steering column 8 through the steering push-pull cable 9, and then the steering of the rear wheels 2 is adjusted, so that the steering of the rear wheels is realized.
A front mud tile 21 connected with the beam 5 is arranged above the front wheel 1, and a bicycle basket 15 is arranged above the front mud tile 21; the specific speed regulation structure is as follows:
the middle part of the beam 5 is provided with a driving end face gear disc 40, the rear wheel 2 is provided with a driven end face gear disc 41, the driving end face gear disc 40 and the driven end face gear disc 41 are connected through cylindrical gears 12, the two cylindrical gears 12 are connected through a transmission shaft 38, the driving end face gear disc 40 is connected with the beam 5 through a middle shaft 42, the center of the driving end face gear disc 40 is connected with a pedal 43, and the arrangement mode of the transmission shaft 38 is the same as that of the embodiment 3.
Compared with the embodiment 1, the embodiment 2, 3 and 4 of the utility model has simpler structure, higher efficiency and more labor saving because two torque transmission gears which are meshed all the time are eliminated, one transmission shaft and one bearing are eliminated, and only one transmission shaft and one bearing are arranged.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (10)
1. A simple face gear speed-changing chainless bicycle is characterized in that: comprises a front wheel (1), a rear wheel (2), a handle bar (3), a saddle (4) and a beam (5); the front wheels (1) are connected with the rear wheels (2) through the vehicle beams (5), a steering column (6) connected with the vehicle beams (5) is arranged below the handle bars (3), a steering arm (7) is arranged at the tail end of the steering column (6), the vehicle beams (5) are provided with steering columns (8) connected with the rear wheels (2), and the steering arms (7) are connected with the steering columns (8) above the rear wheels (2) through steering push-pull cables (9); a first shock absorber (10) connected with the rear wheel (2) is arranged below the steering column (8); the saddle (4) is arranged in the middle of the vehicle beam (5); the front wheel (1) is provided with a plurality of circles of face gears (11) with different diameters, the vehicle beam (5) is provided with a cylindrical gear (12) meshed with the face gears (11), the cylindrical gear (12) is connected with a shifting fork, and the shifting fork is connected with a handlebar (3) through a speed-changing push-pull cable (13).
2. The simple face gear shifting chainless bicycle of claim 1, wherein: the bottom of the saddle (4) is provided with a second shock absorber (14) connected with the car beam (5).
3. The simple face gear shifting chainless bicycle of claim 2, wherein: and a basket (15) connected with the beam (5) is arranged above the front wheel (1).
4. A simple face gear shifting chainless bicycle according to claim 3 wherein: the cylindrical gear (12) comprises a driving cylindrical gear (16), a driven cylindrical gear (17) and a torque transmission cylindrical gear (18), wherein the driving cylindrical gear (16) and the driven cylindrical gear (17) are respectively meshed with face gears with different diameters, and a gear shaft (19) and a shifting fork shaft (20) are arranged between the driving cylindrical gear and the driven cylindrical gear; the torque transmitting spur gears (18) are provided in two and intermeshed.
5. The simple face gear shifting chainless bicycle of claim 4, wherein: front mud tiles (21) which are arranged below the bicycle basket (15) and connected with the steering column (6) are arranged above the front wheels (1), and rear mud tiles (22) which are connected with the bicycle beam (5) are arranged above the rear wheels (2).
6. The simple face gear shifting chainless bicycle of claim 5, wherein: a rear seat (23) or a glove box is arranged above the steering column (8).
7. The simple face gear shifting chainless bicycle of claim 6, wherein: the bicycle beam (5) is provided with a driving shaft (24) positioned at the center of a front wheel (1), a bearing (25) is arranged outside the driving shaft (24), spokes (26) of the front wheel (1) are arranged outside the bearing (25), a flywheel (27) is arranged outside the bearing (25), the outer ring of the flywheel (27) is provided with a left driven end face gear disc (28), and one side, close to the front wheel (1), of the tail end of the left driven end face gear disc (28) is provided with a first auxiliary supporting wheel (29); a right driving end face gear disc (30) is arranged on the outer side of the driving shaft (24), and a second auxiliary supporting wheel (31) is arranged on the outer side of the right driving end face gear disc (30); a first sliding straight gear (32) is arranged on the left driven end face gear disc (28), and the first sliding straight gear (32) is connected with a frame through a first shifting fork (33); a second sliding straight gear (34) is arranged on the right driving end face gear disc (30), and the second sliding straight gear (34) is connected with the frame through a second shifting fork (35); the first sliding spur gear (32) and the second sliding spur gear (34) are respectively provided with a spur gear shaft (36), and the spur gear shafts (36) are respectively provided with a gear shaft bearing (37); the right side of the frame is provided with a right pedal arm (44) connected with the driving shaft (24), and the tail end of the right pedal arm (44) is provided with a right pedal (45).
8. The simple face gear shifting chainless bicycle of claim 6, wherein: the front wheel (1) is provided with a transmission shaft (38), the cylindrical gears are arranged at two ends of the transmission shaft (38), and the two sides of each cylindrical gear are provided with a driven end face gear (39).
9. The simple face gear shifting chainless bicycle of claim 6, wherein: the middle part of the vehicle beam (5) is provided with a driving end face gear disc (40), the front wheel (1) is provided with a driven end face gear disc (41), the driving end face gear disc and the driven end face gear disc are connected through two cylindrical gears (12) capable of respectively shifting, the two cylindrical gears (12) are connected through a transmission shaft (38), the driving end face gear disc (40) is connected with the vehicle beam (5) through a middle shaft (42), and the center of the driving end face gear disc (40) is connected with a pedal plate (43).
10. The simple face gear shifting chainless bicycle of claim 6, wherein: the middle part of the vehicle beam (5) is provided with a driving end face gear disc (40), the rear wheel (2) is provided with a driven end face gear disc (41), the driving end face gear disc and the rear wheel are connected through two cylindrical gears (12) capable of respectively shifting, the two cylindrical gears (12) are connected through a transmission shaft (38), the driving end face gear disc (40) is connected with the vehicle beam (5) through a middle shaft (42), the center of the driving end face gear disc (40) is connected with a pedal plate (43), and the driven end face gear disc (41) is connected with a flywheel (27) of the rear wheel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321384937.4U CN220332886U (en) | 2023-06-02 | 2023-06-02 | Simple face gear speed-changing chainless bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321384937.4U CN220332886U (en) | 2023-06-02 | 2023-06-02 | Simple face gear speed-changing chainless bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220332886U true CN220332886U (en) | 2024-01-12 |
Family
ID=89442709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321384937.4U Active CN220332886U (en) | 2023-06-02 | 2023-06-02 | Simple face gear speed-changing chainless bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220332886U (en) |
-
2023
- 2023-06-02 CN CN202321384937.4U patent/CN220332886U/en active Active
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