CN214690029U

CN214690029U - Spoke-free hub electric bicycle

Info

Publication number: CN214690029U
Application number: CN202120419990.8U
Authority: CN
Inventors: 朱云飞
Original assignee: Hangzhou Lianbang Zouma Culture Development Co ltd
Current assignee: Hangzhou Lianbang Zouma Culture Development Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-11-12
Anticipated expiration: 2031-02-25
Also published as: WO2022179167A1

Abstract

The utility model discloses a spoke-free flower-drum electric bicycle, including frame, handlebar, preceding wheel, rear wheel, transmission, the frame include the crossbeam, crossbeam bottom front side be equipped with the front wheel fixing base, with front wheel fixing base rotatable coupling's preceding mount, handlebar bottom pass the crossbeam fixed with preceding mount, crossbeam bottom rear side be equipped with rear wheel fixing base, after-fixing frame, preceding wheel include preceding interior hub, preceding foreign steamer hub, preceding interior hub and preceding mount fixed connection, the rear wheel include back interior hub, back foreign steamer hub, back interior hub pass through after-fixing frame and rear wheel fixing base fixed connection, back interior hub inboard be equipped with the internal gear. The utility model provides a spoke-free hub electric bicycle with innovative structure, without wheel spokes and hub, and with an additional motor; the physical strength of the cyclist can be saved; the spokeless wheel is convenient to maintain and the rider can not be injured because feet are rolled into the spokes.

Description

Spoke-free hub electric bicycle

Technical Field

The utility model belongs to the technical field of the bicycle technique and specifically relates to a no spoke flower-drum electric bicycle is related to.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides the vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. The English language bicycle. Where bi means two and cycle means the wheel, i.e. the two-wheeled vehicle. Bicycles are a traditional industry, have a history of over 100 years, and due to the problems of environmental protection and traffic, bicycles become a favorite means of transportation and fitness for residents of all countries in the world, especially developed countries, and the center of gravity of the bicycle industry in the world is being changed from a traditional transportation means instead of walking to sports, mountain land and leisure.

Among the conventional bicycle components, the frame, the fork, the handlebar, the wheel, the saddle, the front fork assembly, etc., are the main body of the bicycle. The transmission part comprises pedals, a crank, a chain wheel, a chain, a middle shaft, a flywheel and the like, the pedals are manually stepped, and the transmission parts drive the wheels to rotate so as to drive the vehicle to move forwards. Now along with scientific and technological development, the motor has been established in addition on some bicycles, can partially replace the manpower, realizes the thoughtlessly moving of electric power and manpower, and the wheel all has spoke and flower-drum traditionally, has also appeared now the no spoke wheel, and no spoke wheel easy maintenance and passenger can not be injured because the foot is drawn into in the spoke.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a to current traditional electric bicycle, provide an innovation structure, no wheel spoke and flower-drum install the no spoke flower-drum electric bicycle of motor additional.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the spoke-free hub electric bicycle comprises a frame, a handlebar, a front wheel, a rear wheel and a transmission device, the frame comprises a cross beam, a front wheel fixing seat and a front fixing frame which is rotatably connected with the front wheel fixing seat are arranged on the front side of the bottom of the cross beam, the bottom of the handlebar passes through the cross beam and is fixed with the front fixing frame, the rear side of the bottom of the cross beam is provided with a rear wheel fixing seat and a rear fixing frame, the front wheel comprises a front inner hub and a front outer hub, the front inner hub is fixedly connected with the front fixing frame, the front outer hub is sleeved outside the front inner hub and is rotatably connected with the front inner hub, the rear wheel comprises a rear inner hub and a rear outer hub, the rear inner hub is fixedly connected with the rear wheel fixing seat through a rear fixing frame, an inner gear is arranged on the inner side of the rear inner hub, and the rear outer hub is sleeved on the outer side of the rear inner hub and is rotatably connected with the rear inner hub.

Preferably, the inner sides of the front inner hub and the rear inner hub are respectively provided with a first fixing block and a second fixing block, the front fixing frame and the rear fixing frame are respectively provided with a first fork and a second fork which are matched with the first fixing block and the second fixing block, and the first fixing block and the second fixing block are respectively fixed with the first fork and the second fork by bolts.

Preferably, the transmission device comprises a motor, a large disc, a first transmission wheel and a second transmission wheel, wherein the rear fixing frame extends downwards from the fixing position of the rear wheel fixing seat and is branched into a rear inner hub fixing end, a first fixing end and a second fixing end, the rear inner hub fixing end is fixed with the rear inner hub, the first fixing end is positioned outside the rear outer hub, the second fixing end is positioned inside the rear inner hub, the motor is fixed at the first fixing end, the first transmission wheel and the second transmission wheel are fixed at the second fixing end, the large disc is in transmission connection with the motor, the large disc is connected with the first transmission wheel through a transmission belt, the first transmission wheel is in coaxial connection with the second transmission wheel, and the second transmission wheel is a gear and is in meshing connection with an inner gear of the rear inner hub.

Preferably, a spring shock absorber is arranged between the rear fixing frame and the rear wheel fixing seat.

Preferably, the tire is sleeved outside the front outer hub and the rear outer hub.

Preferably, the first fixed end of the rear fixing frame is provided with a large disc shaft, the large disc shaft is in transmission connection with the motor, the large disc is connected with the large disc shaft, and two ends of the large disc shaft are respectively provided with a pedal rod.

Preferably, the cross beam is provided with a downward concave part corresponding to the position of the rear wheel, and the concave part forms a seat.

Preferably, the side surfaces of the front fixing frame and the rear fixing frame are respectively provided with a safety baffle, and the safety baffles are respectively provided with a mudguard matched with the front wheel and the rear wheel.

According to the scheme, the bearing steel balls are added between the front outer hub and the front inner hub as well as between the rear outer hub and the rear inner hub, and the whole hub is made into a bearing with the outer diameter of 26 inches, so that the effect that the wheel is made into a hollow structure without spokes and a hub is achieved; the rear wheel is driven, the rear inner hub is fixed through the rear fixing frame, the motor drives the large disc, the large disc drives the belt or the chain, the belt or the chain drives the first driving wheel and the second driving wheel, and the second driving wheel drives the inner gear on the right side of the rear outer hub so as to drive the rear outer hub and the tire to rotate; the front wheel fixes the inner hub on the front fixing frame through the front fixing frame, so that the front outer hub of the front wheel can rotate, and the direction of the bicycle is rotated by the front fixing frame driven by the handle; in addition, the brake of the bicycle is controlled by the brake handle on the handle, and the motor and the wheels can be controlled to brake at any time.

The utility model discloses following beneficial effect has: the spoke-free hub electric bicycle is of an innovative structure, has no wheel spokes and a hub, and is additionally provided with an electric motor; the motor can save the physical strength of a rider; the spokeless wheel is convenient to maintain and the rider can not be injured because feet are rolled into the spokes.

Drawings

Fig. 1 is a schematic view of an external structure of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the front inner hub fixing structure of the present invention.

Fig. 4 is a schematic view of the rear inner hub fixing structure of the present invention.

Fig. 5 is a schematic diagram of the transmission device of the present invention.

In the figure: 1. frame 2, handlebar 3, front wheel 4, rear wheel

5. Briquetting 6, safety shield 7, tire 11, crossbeam

12. Front wheel fixing seat 13, front fixing frame 14 and rear wheel fixing seat

15. Rear fixed frame 16, spring shock absorber 17 and large disc shaft

18. Foot pedal rod 19, concave part 31, front inner hub

32. Front outer hub 41, rear inner hub 42, rear outer hub

43. Internal gear 51, motor 52, large disk

53. First transmission wheel 54, second transmission wheel 55 and transmission belt

131. First fork 132, second fork 311, first fixed block

312. And a second fixed block.

Detailed Description

The invention is further described with reference to fig. 1-5.

The spoke-free hub electric bicycle comprises a frame 1, a handlebar 2, a front wheel 3, a rear wheel 4 and a transmission device 5, wherein the frame 1 comprises a cross beam 11, a front wheel fixing seat 12 is arranged on the front side of the bottom of the cross beam 11, the bicycle handlebar assembly comprises a front fixing frame 13 rotatably connected with a front wheel fixing seat 12, the bottom of a handlebar 2 penetrates through a crossbeam 11 and is fixed with the front fixing frame 13, a rear wheel fixing seat 14 and a rear fixing frame 15 are arranged on the rear side of the bottom of the crossbeam 11, a front wheel 3 comprises a front inner hub 31 and a front outer hub 32, the front inner hub 31 is fixedly connected with the front fixing frame 13, the front outer hub 32 is sleeved on the outer side of the front inner hub 31 and is rotatably connected with the front inner hub 31, a rear wheel 4 comprises a rear inner hub 41 and a rear outer hub 42, the rear inner hub 41 is fixedly connected with the rear wheel fixing seat 14 through the rear fixing frame 15, an inner gear 43 is arranged on the inner side of the rear inner hub 41, and the rear outer hub 42 is sleeved on the outer side of the rear inner hub 41 and is rotatably connected with the rear inner hub 41;

the inner sides of the front inner hub 31 and the rear inner hub 41 are respectively provided with a first fixing block 311 and a second fixing block 312, the front fixing frame 13 and the rear fixing frame 15 are respectively provided with a first fork 131 and a second fork 132 which are matched with the first fixing block 311 and the second fixing block 312, and the first fixing block 311 and the second fixing block 312 are respectively fixed with the first fork 131 and the second fork 132 by bolts;

the transmission device 5 comprises a motor 51, a large disc 52, a first transmission wheel 53 and a second transmission wheel 54, wherein the rear fixed frame 15 extends downwards from a fixed position with the rear wheel fixed seat 14 and is bifurcated into a rear inner hub fixed end, a first fixed end and a second fixed end, the rear inner hub fixed end is fixed with the rear inner hub 41, the first fixed end is positioned outside the rear outer hub 42, the second fixed end is positioned inside the rear inner hub 41, the motor 51 is fixed at the first fixed end, the first transmission wheel 53 and the second transmission wheel 54 are fixed at the second fixed end, the large disc 52 is in transmission connection with the motor 51, the large disc 52 is connected with the first transmission wheel 53 through a transmission belt 55, the first transmission wheel 53 is coaxially connected with the second transmission wheel 54, and the second transmission wheel 54 is a gear and is in meshing connection with an internal gear 43 of the rear inner hub 41;

a spring shock absorber 16 is arranged between the rear fixing frame 15 and the rear wheel fixing seat 14;

the outer sides of the front outer hub 32 and the rear outer hub 42 are sleeved with tires 7;

a large disc shaft 17 is arranged at the first fixed end of the rear fixed frame 15, the large disc shaft 17 is in transmission connection with a motor 51, a large disc 52 is connected with the large disc shaft 1, and pedal rods 18 are respectively arranged at two ends of the large disc shaft 17;

a downward concave part 19 is arranged at the position of the cross beam 11 corresponding to the position of the rear wheel 4, and the concave part 19 forms a saddle;

the side surfaces of the front fixing frame 13 and the rear fixing frame 15 are respectively provided with a safety baffle 6, and the safety baffle 6 is provided with a mudguard matched with the front wheel 3 and the rear wheel 4.

The specific implementation process is that the rear wheel 4 is adopted for driving, the rear inner hub 41 is fixed through the rear fixing frame 15, the motor 51 drives the large disc 52, the large disc 52 drives the transmission belt 55 (belt or chain), the transmission belt 55 (belt or chain) drives the first transmission wheel 53 and the second transmission wheel 54, the second transmission wheel 54 drives the inner gear 43 on the right side of the rear outer hub 42 so as to drive the rear outer hub 42 and the tire to rotate, and therefore the whole rear wheel 4 can push the front wheel 3 to move forwards through the cross beam 11; the front wheel 3 fixes the front inner hub 31 on the front fixing frame 13 through the front fixing frame 13, so that the front outer hub 32 of the front wheel 3 can rotate and the bicycle can move forward; the bicycle running direction is driven by the handlebar 2 to rotate the front fixing frame 13 to turn; in addition, the brake of the bicycle is controlled by the brake handle on the handlebar 2, and the motor 51 and the wheels can be controlled to brake at any time.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A spoke-free hub electric bicycle comprises a frame, a handlebar, a front wheel, a rear wheel and a transmission device, it is characterized in that the frame comprises a cross beam, the front side of the bottom of the cross beam is provided with a front wheel fixing seat and a front fixing frame which is rotatably connected with the front wheel fixing seat, the bottom of the handlebar passes through the cross beam and is fixed with the front fixing frame, the rear side of the bottom of the cross beam is provided with a rear wheel fixing seat and a rear fixing frame, the front wheel comprises a front inner hub and a front outer hub, the front inner hub is fixedly connected with the front fixing frame, the front outer hub is sleeved outside the front inner hub and is rotatably connected with the front inner hub, the rear wheel comprises a rear inner hub and a rear outer hub, the rear inner hub is fixedly connected with the rear wheel fixing seat through a rear fixing frame, an inner gear is arranged on the inner side of the rear inner hub, and the rear outer hub is sleeved on the outer side of the rear inner hub and is rotatably connected with the rear inner hub.

2. The spoke-free hub electric bicycle as claimed in claim 1, wherein the front inner hub and the rear inner hub are respectively provided with a first fixing block and a second fixing block at the inner sides thereof, the front fixing frame and the rear fixing frame are respectively provided with a first fork and a second fork which are matched with the first fixing block and the second fixing block, and the first fixing block and the second fixing block are respectively fixed with the first fork and the second fork by bolts.

3. The spokeless hub electric bicycle as claimed in claim 1, wherein the transmission means comprises an electric motor, a large disc, a first transmission wheel, a second transmission wheel, the rear fixing frame extends downwards from the fixing position of the rear wheel fixing seat and is bifurcated into a rear inner hub fixing end, a first fixing end and a second fixing end, the rear inner hub fixing end is fixed with the rear inner hub, the first fixing end is positioned at the outer side of the rear outer hub, the second fixed end is positioned at the inner side of the rear inner hub, the motor is fixed at the first fixed end, the first driving wheel and the second driving wheel are fixed at the second fixed end, the big disc is in transmission connection with the motor, the large disc is connected with the first driving wheel through a driving belt, the first driving wheel is coaxially connected with the second driving wheel, and the second driving wheel is a gear and is meshed with an internal gear of the rear inner hub.

4. The spokeless hub electric bicycle as claimed in claim 1 or 3, wherein a spring damper is provided between the rear fixing frame and the rear wheel fixing seat.

5. The spokeless electric bicycle as claimed in claim 1, wherein tires are sleeved on the outer sides of the front outer hub and the rear outer hub.

6. The spoke-free hub electric bicycle as claimed in claim 3, wherein the first fixed end of the rear fixing frame is provided with a large disc shaft, the large disc shaft is in transmission connection with the motor, the large disc is connected with the large disc shaft, and two ends of the large disc shaft are respectively provided with a pedal rod.

7. The spokeless hub electric bicycle of claim 1, wherein the cross member has a downward recess corresponding to the position of the rear wheel, the recess forming a seat.

8. The spoke-free hub electric bicycle of claim 1, wherein the front fixing frame and the rear fixing frame are respectively provided with a safety baffle on the side surface, and the safety baffles are respectively provided with a mudguard matched with the front wheel and the rear wheel.