CN111891288B

CN111891288B - Bicycle with a wheel

Info

Publication number: CN111891288B
Application number: CN202010656552.3A
Authority: CN
Inventors: 王志坚; 周美芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2022-01-28
Anticipated expiration: 2040-07-09
Also published as: WO2022007393A1; CN111891288A

Abstract

The invention relates to a bicycle, which comprises a frame, wheels, a driving mechanism arranged on the frame, flywheel assemblies arranged on the wheels, a transmission mechanism connected with the driving mechanism and the flywheel assemblies, and pedals arranged on the driving mechanism, wherein the driving mechanism is arranged on the frame; the driving mechanism comprises a sliding rail, a sliding block and a driving reset structure, the sliding block slides along the sliding rail, the driving reset structure is used for realizing the reset of the sliding block, and the pedal is fixed on the sliding block. According to the bicycle provided by the invention, through the arrangement of the driving mechanism, the flywheel assembly and the transmission mechanism, the bicycle with a novel driving structure is obtained, when the bicycle is driven by external force, the bicycle can do linear motion, the driving efficiency is high, the size of the bicycle frame is not limited by the size of the driving mechanism, the bicycle frame can be arranged according to needs, the height of the bicycle frame can be reduced, the gravity center of a user is reduced, the safety performance is improved, the traditional bicycle frame can be used continuously, and the production cost is saved.

Description

Bicycle with a wheel

Technical Field

The invention relates to the technical field of bicycle equipment, in particular to a bicycle.

Background

At present, current bicycle all adopts the sprocket to drive the chain and rotates, and the manpower needs rotate through circular motion drive sprocket to realize advancing of bicycle, this kind of drive mode's bicycle, because the manpower is circular motion, partial power has been decomposed and has been done useless power, thereby lead to the drive efficiency of bicycle to be low, on the other hand receives the structural limitation of sprocket and pedal, and the size of bicycle can not design at will, so the people of different heights can only select the bicycle of corresponding size, and the commonality is poor.

Finally, due to the limitation of the size of the bicycle, the center of gravity of a user is high, the safety is not high, and the user needs to apply force from top to bottom, so that the user is not comfortable to sit on the seat.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a bicycle which has good safety performance and high driving efficiency, can continue to use the traditional bicycle frame, and saves the production cost.

In order to solve the technical problems, the invention provides a bicycle, which comprises a frame, wheels, a driving mechanism arranged on the frame, a flywheel assembly arranged on the wheels, a transmission mechanism connected with the driving mechanism and the flywheel assembly, and pedals arranged on the driving mechanism;

the driving mechanism comprises a slide rail, a slide block sliding along the slide rail and a driving reset structure for realizing the reset of the slide block, and the pedal is fixed on the slide block;

the flywheel assembly comprises a rotating shaft fixed on the wheel, an overrunning clutch mechanism arranged on the rotating shaft and a flywheel reset structure connected with the overrunning clutch mechanism;

the transmission mechanism is connected with the sliding block and the overrunning clutch mechanism;

external force acts on the sliding block, the sliding block moves along the sliding rail, and the overrunning clutch mechanism and the rotating shaft drive the wheels to rotate;

after the external force is removed, the sliding block resets under the action of the driving reset structure, and the overrunning clutch mechanism resets under the action of the flywheel reset structure, so that the next wheel driving is facilitated.

The speed regulation mechanism comprises a speed regulation handle, a speed regulation rocker arm, a speed regulation slide block arranged in the speed regulation rocker arm, a speed regulation steel cable connecting the speed regulation slide block and the speed regulation handle, and a speed regulation locking structure used for locking the speed regulation slide block.

Preferably, the slide rail is fixed on the frame, and the shape and size of the slide block are matched with those of the slide rail;

the driving reset structure is a reset spring, one end of the driving reset structure is fixed on the sliding block, and the other end of the driving reset structure is fixed at the end part of the sliding rail.

Preferably, the overrunning clutch mechanism comprises an inner sleeve wheel sleeved on the rotating shaft, an outer sleeve wheel matched with the inner sleeve wheel and a pawl arranged on the inner sleeve wheel, the inner sleeve wheel is fixed on the rotating shaft, the outer sleeve wheel is sleeved on the inner sleeve wheel, a limiting structure is arranged in the outer sleeve wheel, and the pawl is abutted to the limiting structure.

Preferably, the number of the driving mechanisms is two, and the two driving mechanisms are respectively positioned at the left side and the right side of the frame;

the rotating shaft is provided with two ratchet wheel mounting areas, and the overrunning clutch mechanism and the flywheel reset structure are two and are respectively positioned on the left side and the right side of the rotating shaft and are connected with driving mechanisms on the left side and the right side.

Preferably, the driving mechanism further comprises a driving shell, the driving shell is fixed on the frame, and the slide rail is fixed inside the driving shell;

the outer wall of the outer sleeve wheel is provided with a driving groove;

the transmission mechanism comprises a transmission wheel and a transmission steel cable, and the transmission wheel is fixed on the driving shell;

one end of the transmission steel cable is fixed on the sliding block, and the other end of the transmission steel cable is fixed in the driving groove of the outer sleeve wheel.

Preferably, the speed regulation handle is fixed on the frame and comprises a handle body, a speed regulation sleeve sleeved on the handle body and a handle locking structure for locking the speed regulation sleeve, wherein the speed regulation sleeve can rotate on the handle body and is connected with the speed regulation steel cable.

Preferably, the inside of speed governing rocking arm is equipped with the slider mounting groove, the speed governing slider is located inside the slider mounting groove to can move in its inside.

Preferably, the speed regulation slide block is internally provided with an accommodating cavity;

the speed regulation locking structure comprises a locking hole arranged on the inner wall of the sliding block mounting groove, a locking pin arranged opposite to the locking hole, a steel ball arranged in the accommodating cavity and connected with the speed regulation steel cable, a locking spring fixed on the inner wall of the accommodating cavity and an unlocking baffle positioned between the locking spring and the steel ball, wherein the unlocking baffle is connected with the locking pin.

Preferably, the transmission steel cable is composed of two sections, namely a first transmission steel cable and a second transmission steel cable, wherein one end of the first transmission steel cable is connected with the sliding block, the other end of the first transmission steel cable is connected with the bottom of the speed regulation rocker arm, one end of the second transmission steel cable is connected with the speed regulation sliding block, and the other end of the second transmission steel cable is connected with the flywheel assembly.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the bicycle provided by the invention, through the arrangement of the driving mechanism, the flywheel assembly and the transmission mechanism, the bicycle with a novel driving structure is obtained, when the bicycle is driven by external force, the bicycle can do linear motion, the driving efficiency is high, the size of the bicycle frame is not limited by the size of the driving mechanism, the bicycle frame can be arranged according to needs, the height of the bicycle frame can be reduced, the gravity center of a user is reduced, the safety performance is improved, the traditional bicycle frame can be used continuously, and the production cost is saved.

2. According to the bicycle provided by the invention, the left and right driving mechanisms can act on the flywheel components independently, some special people (such as disabled people) can also ride the bicycle, in addition, the driving distance of the pedals is not limited, and the use requirements of users with different heights are met.

3. According to the bicycle provided by the invention, the installation angle and the installation position of the driving mechanism are not limited, the installation position and the installation angle of the driving mechanism can be set according to actual conditions, the force application angle and the force application direction of a user are not limited, the most comfortable and labor-saving angle can be set for applying force according to actual needs, and the comfort of the bicycle is improved.

4. The bicycle provided by the invention realizes stepless speed regulation through the arrangement of the speed regulation mechanism, is easy to realize and has a simple structure.

Drawings

FIG. 1 is a schematic structural view of a bicycle provided in accordance with the present invention;

FIG. 2 is a schematic structural view of a driving mechanism and a transmission mechanism of a bicycle according to the present invention;

FIG. 3 is an exploded view of a freewheel assembly for a bicycle in accordance with the present invention;

FIG. 4 is a schematic structural diagram of another embodiment of a bicycle drive mechanism provided in accordance with the present invention;

FIG. 5 is a schematic structural diagram of another embodiment of a bicycle drive mechanism provided in accordance with the present invention;

FIG. 6 is a schematic structural view of a freewheel assembly for a bicycle in accordance with the present invention;

FIG. 7 is a schematic structural diagram of another embodiment of an overrunning clutch mechanism of a bicycle in accordance with the present invention;

FIG. 8 is a schematic view of a coupling structure of a bicycle speed adjusting mechanism according to the present invention;

FIG. 9 is a schematic view of a portion of a bicycle speed adjustment mechanism in accordance with the present invention;

FIG. 10 is a schematic view of a speed handlebar arrangement for a bicycle in accordance with the present invention;

fig. 11 is a schematic structural view of a speed regulation locking structure of a bicycle provided by the invention.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-3, a bicycle comprises a frame 1, a wheel 2, a driving mechanism 3 disposed on the frame 1, a flywheel assembly 4 disposed on the wheel 2, a transmission mechanism 5 connecting the driving mechanism 3 and the flywheel assembly 4, and a pedal 6 disposed on the driving mechanism 3;

the driving mechanism 3 comprises a slide rail 31, a slide block 32 sliding along the slide rail 31, and a driving reset structure 33 for resetting the slide block 32, and the pedal 6 is fixed on the slide block 32;

the flywheel assembly 4 comprises a rotating shaft 41 fixed on the wheel 2, an overrunning clutch mechanism 42 arranged on the rotating shaft 41 and a flywheel resetting structure 43 connected with the overrunning clutch mechanism 42;

the transmission mechanism 5 is connected with the slide block 32 and the overrunning clutch mechanism 42;

external force acts on slider 32, slider are followed slide rail 31 moves, with freewheel clutching mechanism 42 that slider 32 is connected follows slider 32 rotates, and pivot 41 follows freewheel clutching mechanism 42 rotates, thereby drives wheel 2 rotates, and external force stop action back, slider 32 is in reset under the effect of drive reset structure 33, freewheel clutching mechanism 42 is in reset under the effect of flywheel reset structure 43, be convenient for carry out next wheel drive.

The frame 1 is used for assembling the wheel 2, the driving mechanism 3, the flywheel assembly 4, the transmission mechanism 5 and the pedal 6, can follow the frame of the traditional bicycle, also can use the frame of a novel structure, and the specific structure can be set according to actual needs, and is not limited to the embodiment. In this embodiment, the frame 1 is a frame of a conventional structure.

The wheels 2 are arranged on the frame 1, so that the bicycle can move forward under the action of the driving mechanism 3, and the function of moving forward of the bicycle is realized.

As shown in fig. 2, the driving mechanism 3 is used for driving wheels to rotate, so as to achieve forward movement of a bicycle, and includes a slide rail 31, a slide block 32 sliding along the slide rail 31, and a driving reset structure 33 for achieving reset of the slide block 32, wherein the slide rail 31 is fixed on the frame 1, the shape and size of the slide block 32 are matched with those of the slide rail 31, and the slide rail 31 is embedded inside the slide block 32, so that the slide block 32 can move along the slide rail 31, the driving reset structure 33 is used for achieving reset of the slide block 32, so as to ensure that pedals can be cyclically applied with force, and is a reset spring, one end of which is fixed on the slide block 32, and the other end of which is fixed on an end of the slide rail 31, so as to ensure that the slide block 32 can be reset under the action of the driving reset structure 33.

In another embodiment, as shown in fig. 4 to 5, the slider 32 may be embedded in the slide rail 31, and the slide rail 31 may be configured to be linear, curved or other shapes according to actual needs, and the slide rail 31 may be configured to have a shape according to a pedaling trajectory of a sole of a human foot, thereby obtaining a driving mechanism with high driving efficiency.

In order to facilitate the installation of the driving mechanism 3 and prevent external dirt from entering between the sliding block 32 and the sliding rail 31 to affect the normal movement of the sliding block 32, the driving mechanism 3 further includes a driving housing 34, the driving housing 34 is fixed on the frame 1, the sliding rail 31 is fixed inside the driving housing 34, the sliding block 32 is arranged on the sliding rail 31 and located inside the driving housing 34, one end of the driving reset structure 33 is fixed on the sliding block 32, and the other end of the driving reset structure is fixed on the end portion of the driving housing 34.

In order to enable the left foot and the right foot of a person to apply force, the number of the driving mechanisms 3 is two, and the two driving mechanisms 3 are respectively positioned on the left side and the right side of the frame 1 and have the same structure.

As shown in fig. 3 and 6, the flywheel assembly 4 is disposed on the wheel 2, and is configured to drive the wheel 2 to rotate, and includes a rotating shaft 41 fixed on the wheel 2, an overrunning clutch mechanism 42 disposed on the rotating shaft 41, and a flywheel reset structure 43 connected to the overrunning clutch mechanism 42, where the rotating shaft 41 is fixed on a central shaft of the wheel 2, and drives the wheel 2 to rotate when rotating.

The overrunning clutch mechanism 42 is arranged on the rotating shaft 41, and may be a ratchet mechanism or an overrunning clutch bearing mechanism, when the overrunning clutch mechanism is a ratchet mechanism, the overrunning clutch mechanism includes an inner sleeve wheel 421 sleeved on the rotating shaft 41, an outer sleeve wheel 422 matched with the inner sleeve wheel 421, and a pawl 423 arranged on the inner sleeve wheel 421, the inner sleeve wheel 421 is fixed on the rotating shaft 41, the outer sleeve wheel 422 is sleeved on the inner sleeve wheel 421, a limit structure 424 is arranged in the outer sleeve wheel 421, the pawl 423 and the limit structure 424 are mutually abutted, that is, the outer sleeve wheel 422 can only rotate along one direction, and when the pawl 423 abuts against the limit structure 424 during reverse rotation, the reverse movement of the outer sleeve wheel 422 is limited.

As shown in fig. 7, when the overrunning clutch mechanism is an overrunning clutch bearing, the overrunning clutch bearing transmits the rotating force to the rotating shaft when rotating in the forward direction, and does not apply force to the rotating shaft when rotating in the reverse direction.

In order to realize the linkage between the overrunning clutch mechanism 42 and the driving mechanism 3, a driving groove 425 is formed on the outer wall of the outer sleeve wheel 422.

The flywheel resetting structure 43 is used for resetting the outer sleeve wheel 422 to ensure that the outer sleeve wheel 422 can be driven by the next wheel, and is a vortex spring, and when external force stops driving the outer sleeve wheel 422, the outer sleeve wheel 422 resets under the action of the vortex spring.

Correspondingly, in order to make the actuating mechanism 3 of the left and right sides all can drive flywheel subassembly 4, be equipped with two ratchet wheel installing zones on the pivot 41, freewheel clutch mechanism 42 and flywheel reset structure 43 are two, are located respectively the left and right sides of pivot 41, and be connected with the actuating mechanism 3 of the left and right sides to realize that the actuating mechanism 3 of the left and right sides all can drive the flywheel subassembly.

As shown in fig. 2, the transmission mechanism 5 is connected to the driving mechanism 3 and the flywheel assembly 4, and is configured to transmit the driving force of the driving mechanism 3 to the flywheel assembly 4, and includes a transmission wheel 51 and a transmission cable 52, the transmission wheel 51 is fixed to the driving housing 34 and is configured to guide the transmission cable 52, one end of the transmission cable 52 is fixed to the slider 32, and the other end of the transmission cable 52 is fixed to the driving groove 425 of the outer sleeve wheel 422, so as to transmit the driving force of the driving mechanism 3 to the flywheel assembly 4, and ensure the normal operation of the bicycle.

The pedal 6 is fixed on a slide block of the driving mechanism 3, so that the slide block 32 can be conveniently applied with force through the pedal 6, and the bicycle can advance.

In the wire-driven bicycle provided by the invention, in the working process, an external force acts on the pedals 6, the sliding block 32 connected with the pedals 6 moves along the sliding rail 31, the transmission steel cable 52 connected with the sliding block 32 moves along the sliding block 32, the outer sleeve wheel 422 positioned at the other end of the transmission steel cable 52 rotates along the transmission steel cable 52, the outer sleeve wheel 422 drives the inner sleeve wheel 421 to rotate under the action of the pawls 423 and the limiting structure 424, and the rotating shaft 41 connected with the inner sleeve wheel 421 and the wheel 2 rotate along with the inner sleeve wheel 421, so that the bicycle advances.

External force stops acting on the pedal 6, the sliding block 32 resets under the action of the driving reset structure, the outer sleeve wheel 422 resets under the action of the flywheel reset structure 43, at the moment, the rotating direction of the outer sleeve wheel 422 is consistent with the distribution direction of the pawls 423, so the pawls 423 cannot limit the movement of the outer sleeve wheel 422, namely, the outer sleeve wheel resets, no acting force is generated on the inner sleeve wheel 421 and the rotating shaft 41, and after the resetting is finished, the next wheel driving can be carried out.

As shown in fig. 8-10, in order to realize the speed regulation function of the bicycle, the bicycle of the present invention further includes a speed regulation mechanism 7, wherein the speed regulation mechanism 7 includes a speed regulation handle 71, a speed regulation rocker 72, a speed regulation slider 73 disposed in the speed regulation rocker 72, a speed regulation cable 74 connecting the speed regulation slider 73 and the speed regulation handle 71, and a speed regulation locking structure 75 for locking the speed regulation slider 73, the speed regulation handle 71 is fixed on the frame 1, and includes a handle body 711, a speed regulation sleeve 712 sleeved on the handle body 711, and a handle locking structure 713 for locking the speed regulation sleeve 712, the speed regulation sleeve 712 can rotate on the handle body 711, and is connected with the speed regulation cable 74, so that the rotation of the speed regulation sleeve 712 drives the speed regulation cable 74 to move. The handle lock 713 is used to lock the speed sleeve 712 as desired, as is conventional in the art and will not be described further herein.

The speed regulation rocker arm 72 is arranged on the frame 1, and the top of the speed regulation rocker arm is rotatably connected with the frame 1 to ensure that the speed regulation rocker arm rotates under the action of external force. In order to realize speed regulation, an included angle is formed between the speed regulation rocker arm 72 and the transmission steel cable 52. In order to realize the installation of the speed regulation slide block, a slide block installation groove is formed in the speed regulation rocker arm 72, and the speed regulation slide block 73 is arranged in the slide block installation groove and can move in the slide block installation groove.

The speed regulating slider 73 is arranged in the slider mounting groove and connected with the speed regulating steel cable 74, so that when the speed regulating steel cable 74 moves, the speed regulating slider moves along with the speed regulating steel cable 74. In order to facilitate the installation of the speed regulation locking structure 75, an accommodating cavity is arranged inside the speed regulation slide block 73.

The speed regulating steel cable 74 is connected with the speed regulating slider 73 and the speed regulating handle 71, and is used for transmitting the driving force of the speed regulating handle 71 to the speed regulating slider 73 to realize the movement of the position of the speed regulating slider 73.

As shown in fig. 9 and 11, the speed regulation locking structure 75 is used for locking the speed regulation slider 73, and includes a locking hole 751 disposed on the inner wall of the slider mounting groove, a locking pin 752 disposed opposite to the locking hole 751, a steel ball 753 disposed in the accommodating cavity and connected to the speed regulation steel cable 74, a locking spring 754 fixed on the inner wall of the accommodating cavity, and an unlocking baffle 755 located between the locking spring 754 and the steel ball 753, the unlocking baffle 755 is connected to the locking pin 752, in a locking state, the locking pin 752 extends into the locking hole 751, in a speed regulation state, an external force adjusts the speed regulation handle 71, the speed regulation steel cable 74 generates a small distance movement, the steel ball 753 generates a small distance movement following the speed regulation steel cable 74, the unlocking baffle 755 is pushed away by the locking spring 754, and the locking pin 752 connected to the unlocking baffle 755 retracts, the speed regulating slide block can move.

As shown in fig. 8, in order to realize the linkage relationship between the speed regulation mechanism 7 and the driving mechanism 3, so as to realize speed regulation, the transmission cable 52 of this embodiment is composed of two sections, namely a first transmission cable 521 and a second transmission cable 522, wherein one end of the first transmission cable 521 is connected to the slider 32, the other end is connected to the bottom of the speed regulation rocker arm 72, one end of the second transmission cable 522 is connected to the speed regulation slider 73, and the other end is connected to the flywheel assembly 4.

Therefore, when the slide block 32 moves under the action of the pedal, the slide block passes through the first transmission steel cable 521, the speed regulation rocker arm 72, the second transmission steel cable 522 and the flywheel assembly 4 in sequence and is transmitted to the wheel 2, so that the wheel 2 is driven, and when the speed regulation handle 71 is rotated, the speed regulation steel cable 74 pulls the speed regulation slide block 73 to move, so that the position of the speed regulation slide block 73 on the speed regulation rocker arm 72 is changed, the transmission ratio is changed, and the speed regulation function of the bicycle is realized.

According to the bicycle provided by the invention, through the arrangement of the driving mechanism 3, the flywheel component 4 and the transmission mechanism 5, the bicycle with a novel driving structure is obtained, when the bicycle is driven by external force, the bicycle can do linear motion, the driving efficiency is high, the size of the bicycle frame 1 is not limited by the size of the driving mechanism, the bicycle can be arranged according to needs, the height of the bicycle frame 1 can be reduced, the gravity center of a user is reduced, the safety performance is improved, the traditional bicycle frame can be continuously used, and the production cost is saved.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. A bicycle is characterized by comprising a frame, wheels, a driving mechanism arranged on the frame, flywheel assemblies arranged on the wheels, a transmission mechanism connected with the driving mechanism and the flywheel assemblies, and pedals arranged on the driving mechanism;

after the external force is removed, the sliding block resets under the action of the driving reset structure, and the overrunning clutch mechanism resets under the action of the flywheel reset structure, so that the next wheel driving is facilitated;

2. The bicycle of claim 1, wherein the slide rail is fixed to the frame, and the shape and size of the slide block match the shape and size of the slide rail;

3. The bicycle of claim 1, wherein the overrunning clutch mechanism comprises an inner sleeve wheel sleeved on the rotating shaft, an outer sleeve wheel matched with the inner sleeve wheel and a pawl arranged on the inner sleeve wheel, the inner sleeve wheel is fixed on the rotating shaft, the outer sleeve wheel is sleeved on the inner sleeve wheel, a limit structure is arranged in the outer sleeve wheel, and the pawl is abutted against the limit structure.

4. The bicycle of claim 1, wherein the number of the driving mechanisms is two, respectively located at left and right sides of the frame;

5. The bicycle of claim 3, wherein the drive mechanism further comprises a drive housing, the drive housing being secured to the frame, the slide rail being secured to an interior of the drive housing;

the outer wall of the outer sleeve wheel is provided with a driving groove;

6. The bicycle of claim 1, wherein the speed control handle is fixed to the frame and includes a handle body, a speed control sleeve disposed on the handle body, and a handle locking structure for locking the speed control sleeve, the speed control sleeve being rotatable on the handle body and connected to the speed control cable.

7. The bicycle of claim 1, wherein the timing rocker arm is provided with a slider mounting groove therein, and the timing slider is provided inside the slider mounting groove and is movable therein.

8. The bicycle of claim 1, wherein the speed regulating slide block is internally provided with a containing cavity;

9. The bicycle of claim 5, wherein the drive cable is comprised of two sections, a first drive cable and a second drive cable, wherein the first drive cable has one end connected to the slider and the other end connected to the bottom of the governor rocker arm, and the second drive cable has one end connected to the governor slider and the other end connected to the flywheel assembly.