CN211076240U - Bicycle with a wheel - Google Patents
Bicycle with a wheel Download PDFInfo
- Publication number
- CN211076240U CN211076240U CN201921085772.4U CN201921085772U CN211076240U CN 211076240 U CN211076240 U CN 211076240U CN 201921085772 U CN201921085772 U CN 201921085772U CN 211076240 U CN211076240 U CN 211076240U
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- crank
- rotating shaft
- pedal
- frame
- driving gear
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- 230000009471 action Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a bicycle, which comprises conventional parts of a common bicycle, and in addition, the outer circumference surface of a driving flywheel is a gear surface; the hub is provided with a hollow shaft arranged on the frame; the hollow shaft is internally provided with a first rotating shaft in a rotatable manner, the first rotating shaft is provided with a first driving gear and further comprises a second rotating shaft, the second rotating shaft is provided with a driven gear and a second driving gear, the first driving gear is meshed with the driven gear, and the second driving gear is meshed with the driving flywheel; a first crank is arranged on the first rotating shaft, and the first end of the first crank is fixed on the first rotating shaft; the first end of the second crank is hinged to the frame, and a hinged shaft is parallel to the first rotating shaft; the pedal crank is hinged to the connecting rod at one end close to the pedal, the second end of the first crank and the second end of the second crank, and the hinged shafts are parallel to the first rotating shaft. The utility model has the advantages that: long service life, maintenance, cost of maintenance are low, can ride normally.
Description
Technical Field
The utility model relates to a bicycle field, concretely relates to bicycle.
Background
As a pollution-free and convenient-to-run tool for riding instead of walk, the bicycle is popular with people, most of the traditional bicycles adopt chain transmission, so the service life is short, the maintenance and the maintenance cost are high, based on the defects, the Chinese utility model with the application number of 201721588732.2 provides a bicycle, a user drives a pull rod to move by stepping on a crank, the pull rod drives a rocking handle to swing, and further drives a gear to rotate, the gear drives a one-way bearing, and further drives a rear wheel to run, however, when the foot pedal crank, the pull rod and the rocking handle move to the same horizontal plane, and the foot pedal crank is continuously stepped on, the rocking handle can not run reversely to the normal running direction due to the thrust action of gravity or the pull rod, the driving logic is disordered, and the rocking handle can not normally turn over for 360 degrees, the inventor of the application also carries out practical tests aiming at the situation in the practical research and development process, the results are also not realized, so that the chinese utility model patent No. 201721588732.2 does not operate normally in practical use.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the chain transmission of the bicycle in the prior art has the problems of short service life, high maintenance and repair cost and incapability of normally operating the bicycle without chain transmission.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a bicycle comprises a frame, a front wheel, a rear wheel, a handlebar, a saddle, a pedal crank, pedals, a hub and a driving flywheel, wherein the front wheel, the rear wheel, the handlebar and the saddle are arranged on the frame, the pedal crank is rotatably arranged on the frame, the pedals are rotatably arranged on the pedal crank, the hub is arranged at the center of the rear wheel, the outer surface of the hub is connected to the rear wheel through spokes, the driving flywheel is arranged outside the hub through a one-way bearing,
the outer circumferential surface of the driving flywheel is a gear surface;
the hub is provided with a hollow shaft, the hub can rotate relative to the hollow shaft, and the hollow shaft is fixedly arranged on the frame;
a first rotating shaft is rotatably arranged in the hollow shaft, a first driving gear is arranged on the first rotating shaft, a second rotating shaft parallel to the first rotating shaft is rotatably arranged on the frame, a driven gear and a second driving gear are arranged on the second rotating shaft, the first driving gear is meshed with the driven gear, and the second driving gear is meshed with the driving flywheel;
the first rotating shaft is also provided with a first crank, and the first end of the first crank is fixed on the first rotating shaft;
the first end of the second crank is hinged on the frame, and a hinged shaft is parallel to the first rotating shaft;
the pedal crank is hinged to the connecting rod at one end close to the pedals, at the second end of the first crank and at the second end of the second crank, and the hinged shafts are parallel to the first rotating shaft;
the pedal crank swings around the frame, the first crank and the second crank can synchronously swing along with the pedal crank under the action of the connecting rod, the first crank can drive the first rotating shaft to rotate, and power sequentially passes through the first driving gear, the driven gear, the second driving gear, the driving flywheel, the hub and the spokes to drive the rear wheel to advance.
The utility model discloses in, ride passerby's foot and step on the pedal, and then drive pedal crank and wind the frame swing, under the effect of connecting rod, first crank, second crank can be along with pedal crank synchronous swing, and first crank can drive first pivot and rotate, and power loops through first driving gear, driven gear, second driving gear, drive flywheel, flower-drum, spoke, and then can drive the rear wheel and go forward, the utility model provides a bicycle has cancelled chain drive, therefore life is longer, maintenance, cost of maintenance are also lower, simultaneously, through the utility model provides a structure rides passerby and can normally ride, has avoided the unable normal operating condition of no chain drive bicycle among the prior art.
Preferably, the distance between the pedals and the swinging centers of the pedal cranks is greater than the distance between the hinged shafts of the pedal cranks and the connecting rods and the swinging centers of the pedal cranks. When riding, the length of the power arm is larger than that of the resistance arm, so that the bicycle is labor-saving.
Preferably, the hub is rotatably connected with the hollow shaft through a bearing. The bearing connection is adopted, so that the structure and the principle are simpler, and the operation is reliable.
Preferably, the driving flywheel, the first driving gear, the second rotating shaft, the driven gear and the second driving gear are all located on the right side of the advancing direction of the rear wheel. Most of riders get on the bus from the left side of the bicycle, and all the transmission parts are arranged on the right side of the advancing direction of the rear wheel, so that the interference of the riders on the bus can be avoided, and dangerous conditions such as collision, stirring of clothes into the transmission parts and the like can also be avoided to a certain extent.
Preferably, the hollow shaft is rotatably connected with the first rotating shaft through a bearing. The bearing connection is adopted, so that the structure and the principle are simpler, and the operation is reliable.
Preferably, the second rotating shaft and the frame are mounted through a bearing. The bearing connection is adopted, so that the structure and the principle are simpler, and the operation is reliable.
Preferably, the pedal crank and the second crank are respectively positioned in front of and behind the first crank. The pedal crank and the second crank are respectively arranged in front of and behind the first crank, so that the normal operation of each crank can be ensured, and the normal operation of transmission is ensured.
Preferably, the pedal crank is spaced from the first crank by a distance greater than the distance between the first crank and the second crank. The pedal crank is driven at the moment when the pedal crank, the first crank, the second crank and the connecting rod run to be overlapped, and the pedal crank can lift up or press down the first crank through the connecting rod, so that the riding is labor-saving.
Preferably, the combination of the first crank, the second crank and the connecting rod is provided with two groups, and the two groups are respectively positioned at two sides of the rear wheel. The first crank, the second crank and the connecting rod are combined and arranged in two groups and are respectively positioned on two sides of the rear wheel, the weight of the bicycle body is balanced, and the bicycle is stable to ride.
Preferably, a protective cover is arranged outside the motion tracks of the pedal crank, the first crank, the second crank and the connecting rod. Because each motion part is the continuous motion when riding, the setting of guard shield can be separated motion part and external world, and then avoids riding passerby's health or clothing and motion part to take place winding, extrusion etc. can protect passerby's safety.
The beneficial effects of the utility model reside in that:
1. the utility model discloses in, ride passerby's foot and step on the pedal, and then drive pedal crank and wind the frame swing, under the effect of connecting rod, first crank, second crank can be along with pedal crank synchronous swing, and first crank can drive first pivot and rotate, and power loops through first driving gear, driven gear, second driving gear, drive flywheel, flower-drum, spoke, and then can drive the rear wheel and go forward, the utility model provides a bicycle has cancelled chain drive, therefore life is longer, maintenance, cost of maintenance are also lower, simultaneously, through the utility model provides a structure rides passerby and can normally ride, has avoided the unable normal operating condition of no chain drive bicycle among the prior art.
2. When riding, the length of the power arm is larger than that of the resistance arm, so that the bicycle is labor-saving.
3. The bearing connection is adopted, so that the structure and the principle are simpler, and the operation is reliable.
4. Most of riders get on the bus from the left side of the bicycle, and all the transmission parts are arranged on the right side of the advancing direction of the rear wheel, so that the interference of the riders on the bus can be avoided, and dangerous conditions such as collision, stirring of clothes into the transmission parts and the like can also be avoided to a certain extent.
5. The pedal crank and the second crank are respectively arranged in front of and behind the first crank, so that the normal operation of each crank can be ensured, and the normal operation of transmission is ensured.
6. The pedal crank is driven at the moment when the pedal crank, the first crank, the second crank and the connecting rod run to be overlapped, and the pedal crank can lift up or press down the first crank through the connecting rod, so that the riding is labor-saving.
7. The first crank, the second crank and the connecting rod are combined and arranged in two groups and are respectively positioned on two sides of the rear wheel, the weight of the bicycle body is balanced, and the bicycle is stable to ride.
8. Because each motion part is the continuous motion when riding, the setting of guard shield can be separated motion part and external world, and then avoids riding passerby's health or clothing and motion part to take place winding, extrusion etc. can protect passerby's safety.
Drawings
FIG. 1 is a front view of a bicycle in an embodiment of the present invention;
FIG. 2 is a top view of a bicycle in an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a left side view of a bicycle in an embodiment of the present invention;
wherein,
frame-1, front wheel-11, rear wheel-12, handlebar-13, saddle-14, pedal crank-15, pedal-16, hub-17, spoke-18, unidirectional bearing-19;
driving a flywheel-2;
a hollow shaft-3;
a first rotating shaft-4 and a first driving gear-41;
a second rotating shaft-5, a driven gear-51 and a second driving gear-52;
a first crank-6;
a second crank-7;
a connecting rod-8.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-4, a bicycle comprises a frame 1, a front wheel 11, a rear wheel 12, a handlebar 13, a saddle 14, a pedal crank 15 rotatably mounted on the frame 1, and pedals 16 rotatably mounted on the pedal crank 15, wherein a hub 17 is arranged at the center of the rear wheel 12, the outer surface of the hub 17 is connected to the rear wheel 12 through spokes 18, and a driving flywheel 2 is mounted on the outside of the hub 17 through a one-way bearing 19.
The outer circumference of the driving flywheel 2 is a gear surface.
As shown in fig. 3, the hub 17 is provided with a hollow shaft 3, the hub 17 is rotatable relative to the hollow shaft 3, the hollow shaft 3 is fixedly mounted on the frame 1, specifically, both ends of the hollow shaft 3 are provided with external threads, the hollow shaft 3 is mounted on the frame 1 through nuts, and the hub 17 is rotatably connected with the hollow shaft 3 through a bearing.
As shown in fig. 3, a first rotating shaft 4 is rotatably mounted inside the hollow shaft 3, the hollow shaft 3 is rotatably connected with the first rotating shaft 4 through a bearing, a first driving gear 41 is disposed on the first rotating shaft 4, a second rotating shaft 5 parallel to the first rotating shaft 4 is further rotatably mounted on the frame 1, the second rotating shaft 5 is mounted with the frame 1 through a bearing, a driven gear 51 and a second driving gear 52 are disposed on the second rotating shaft 5, the first driving gear 41 is engaged with the driven gear 51, and the second driving gear 52 is engaged with the driving flywheel 2.
As shown in fig. 1 and 2, the first rotating shaft 4 is further provided with a first crank 6, a first end of the first crank 6 is fixed on the first rotating shaft 4, the first crank 7 is further included, a first end of the second crank 7 is hinged on the frame 1, a hinge shaft is parallel to the first rotating shaft 4, and in this embodiment, the pedal crank 15, the first crank 6 and the second crank 7 are parallel and have equal lengths.
As shown in fig. 1 and 2, the pedal crank 15 and the second crank 7 are respectively located in front of and behind the first crank 6, the distance between the pedal crank 15 and the first crank 6 is greater than the distance between the first crank 6 and the second crank 7, and the driving flywheel 2, the first driving gear 41, the second rotating shaft 5, the driven gear 51, and the second driving gear 52 are all located on the right side of the advancing direction of the rear wheel 12.
As shown in fig. 1 and 2, the bicycle further comprises a connecting rod 8, one end of the pedal crank 15 close to the pedal 16, the second end of the first crank 6 and the second end of the second crank 7 are all hinged on the connecting rod 8, the hinged shafts are all parallel to the first rotating shaft 4, and the combination of the first crank 6, the second crank 7 and the connecting rod 8 is provided with two groups, and the two groups are respectively positioned at two sides of the rear wheel 12.
The outside of the motion track of the pedal crank 15, the first crank 6, the second crank 7 and the connecting rod 8 is provided with a protective cover, the protective cover is designed according to the actual distribution situation of each part, and the pedal crank 15, the first crank 6, the second crank 7 and the connecting rod 8 can be isolated from the outside, which is not shown in the figure.
The pedal crank 15 swings around the frame 1, under the action of the connecting rod 8, the first crank 6 and the second crank 7 can synchronously swing along with the pedal crank 15, the first crank 6 can drive the first rotating shaft 4 to rotate, and power sequentially passes through the first driving gear 41, the driven gear 51, the second driving gear 52, the driving flywheel 2, the hub 17 and the spokes 18, so that the rear wheel 12 can be driven to advance.
As shown in fig. 1 and 4, in this embodiment, the distance between pedal 16 and the swing center of pedal crank 15 is equal to the distance between the hinge axis of pedal crank 15 and connecting rod 8 and the swing center of pedal crank 15, and in addition, the distance between pedal 16 and the swing center of pedal crank 15 may be set to be greater than the distance between the hinge axis of pedal crank 15 and connecting rod 8 and the swing center of pedal crank 15 according to actual conditions.
The working principle is as follows:
the utility model discloses in, ride passerby's foot and step on pedal 16, and then drive pedal crank 15 swings around frame 1, under connecting rod 8's effect, first crank 6, second crank 7 can be along with pedal crank 15 synchronous oscillation, and first crank 6 can drive first pivot 4 and rotate, and power loops through first driving gear 41, driven gear 51, second driving gear 52, drive flywheel 2, flower-drum 17, spoke 18, and then can drive rear wheel 12 and go forward, the utility model provides a bicycle has cancelled chain drive, therefore life is longer, maintains, cost of maintenance is also lower, simultaneously, through the utility model provides a structure rides passerby and can normally ride, has avoided the unable normal operating condition of no chain drive bicycle among the prior art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a bicycle, includes frame (1), installs front wheel (11), rear wheel (12), handlebar hand (13), saddle (14) on frame (1) to and pedal crank (15), pedal (16) of rotatable installation on pedal crank (15) of rotatable installation on frame (1), the center of rear wheel (12) is provided with flower-drum (17), and the surface of flower-drum (17) is connected to rear wheel (12) through spoke (18), a drive flywheel (2), its characterized in that are installed through one-way bearing (19) to flower-drum (17) outside:
the outer circumferential surface of the driving flywheel (2) is a gear surface;
the hub (17) is provided with a hollow shaft (3), the hub (17) can rotate relative to the hollow shaft (3), and the hollow shaft (3) is fixedly arranged on the frame (1);
a first rotating shaft (4) is rotatably mounted inside the hollow shaft (3), a first driving gear (41) is arranged on the first rotating shaft (4), a second rotating shaft (5) parallel to the first rotating shaft (4) is further rotatably mounted on the frame (1), a driven gear (51) and a second driving gear (52) are arranged on the second rotating shaft (5), the first driving gear (41) is meshed with the driven gear (51), and the second driving gear (52) is meshed with the driving flywheel (2);
the first rotating shaft (4) is also provided with a first crank (6), and the first end of the first crank (6) is fixed on the first rotating shaft (4);
the first end of the second crank (7) is hinged on the frame (1), and a hinged shaft is parallel to the first rotating shaft (4);
the pedal crank (15) is hinged to the connecting rod (8) at one end close to the pedal (16), at the second end of the first crank (6) and at the second end of the second crank (7), and hinged shafts are parallel to the first rotating shaft (4);
the pedal crank (15) swings around the frame (1), under the action of the connecting rod (8), the first crank (6) and the second crank (7) can synchronously swing along with the pedal crank (15), the first crank (6) can drive the first rotating shaft (4) to rotate, power sequentially passes through the first driving gear (41), the driven gear (51), the second driving gear (52), the driving flywheel (2), the hub (17) and the spokes (18), and then the rear wheel (12) can be driven to advance.
2. A cycle as claimed in claim 1, wherein: the distance between the pedals (16) and the swinging center of the pedal crank (15) is greater than the distance between the hinged shafts of the pedal crank (15) and the connecting rod (8) and the swinging center of the pedal crank (15).
3. A cycle as claimed in claim 1, wherein: the hub (17) is rotatably connected with the hollow shaft (3) through a bearing.
4. A cycle as claimed in claim 1, wherein: the driving flywheel (2), the first driving gear (41), the second rotating shaft (5), the driven gear (51) and the second driving gear (52) are all located on the right side of the advancing direction of the rear wheel (12).
5. A cycle as claimed in claim 1, wherein: the hollow shaft (3) is rotatably connected with the first rotating shaft (4) through a bearing.
6. A cycle as claimed in claim 1, wherein: the second rotating shaft (5) and the frame (1) are mounted through a bearing.
7. A cycle as claimed in claim 1, wherein: the pedal crank (15) and the second crank (7) are respectively positioned in front of and behind the first crank (6).
8. A cycle as claimed in claim 7, wherein: the distance between the pedal crank (15) and the first crank (6) is larger than the distance between the first crank (6) and the second crank (7).
9. A cycle as claimed in claim 1, wherein: the first crank (6), the second crank (7) and the connecting rod (8) are combined into two groups, and the two groups are respectively positioned on two sides of the rear wheel (12).
10. A cycle as claimed in claim 1, wherein: and a protective cover is arranged outside the motion tracks of the pedal crank (15), the first crank (6), the second crank (7) and the connecting rod (8).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894859.XA CN109204676A (en) | 2018-08-08 | 2018-08-08 | A kind of bicycle |
| CN201821269774 | 2018-08-08 | ||
| CN2018212697744 | 2018-08-08 | ||
| CN201810894859X | 2018-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211076240U true CN211076240U (en) | 2020-07-24 |
Family
ID=71622699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921085772.4U Active CN211076240U (en) | 2018-08-08 | 2019-07-11 | Bicycle with a wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211076240U (en) |
-
2019
- 2019-07-11 CN CN201921085772.4U patent/CN211076240U/en active Active
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