CN211869587U

CN211869587U - Electric motorcycle

Info

Publication number: CN211869587U
Application number: CN202020449384.6U
Authority: CN
Inventors: 李睿; 古里阳; 罗浩
Original assignee: Chongqing Andes Motorcycle Manufacturing Co ltd
Current assignee: Chongqing Everest yttrium Power Technology Co.,Ltd.
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-06
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to the technical field of motorcycles and discloses an electric motorcycle, which comprises a frame, wherein one side of the frame is rotatably connected with a steering gear, the steering gear is rotatably connected with a first wheel, and the other side of the frame is provided with a buffer channel; a storage battery is arranged in the frame, a bottom fork is arranged at the bottom of the frame, and a buffer is arranged between the bottom fork and the frame; the flat fork is rotatably connected with a second wheel which is driven by a power part. The utility model discloses simple structure, the light in weight of motorcycle is favorable to the use of motorcycle.

Description

Electric motorcycle

Technical Field

The utility model relates to a motorcycle technical field, concretely relates to electric motorcycle car.

Background

The common vehicle in daily life of the motorcycle has the excellent characteristics of strong maneuverability, convenient storage, high cost performance and the like, and is a vehicle widely liked by consumers. Gasoline is mostly adopted as fuel for the conventional motorcycle, but the gasoline is used as a non-renewable energy source, the selling price of the gasoline is gradually increased, and the daily use cost of the motorcycle is greatly improved; meanwhile, the combustion of gasoline also brings certain burden to the environment.

Therefore, in view of environmental protection and reduction of use cost, the power assembly of the motorcycle is improved, and now, mainly the power component is designed as an electric motor, and the electric motor is powered by a battery pack. By adopting the mode, the purpose of saving energy can be obviously achieved, however, the structure of the existing motorcycle is complex, the structure of the whole motorcycle is very heavy, and the phenomenon of obvious power shortage exists when the electric motor is used as power to drive the motorcycle to run; meanwhile, after the battery is used as a power source, the battery directly influences the appearance of the motorcycle and the reasonability of the structural arrangement when the battery is directly installed on the motorcycle due to the large volume of the battery.

In view of the above problems, there is a need for an improved electric motorcycle to reduce the overall weight of the motorcycle and to increase the operating time of the motorcycle.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric motorcycle car to reduce the whole weight of motorcycle car, and then improve electric motorcycle car's during operation.

In order to achieve the above object, the utility model provides a following technical scheme: an electric motorcycle comprises a frame, wherein one side of the frame is rotatably connected with a steering gear, the steering gear is rotatably connected with a first wheel, and the other side of the frame is provided with a buffer channel; a storage battery is arranged in the frame, a bottom fork is arranged at the bottom of the frame, and a buffer is arranged between the bottom fork and the frame; the flat fork is rotatably connected with a second wheel which is driven by a power part.

The utility model discloses a principle and beneficial effect:

(1) in this scheme, set up the buffering passageway on the frame, buffering passageway can reduce the holistic weight of motorcycle on the one hand, and then makes the whole of motorcycle more light, reduces the energy consumption of motorcycle self, and on the other hand, the installation space of electric lead, sensor can be regarded as to buffering passageway, when installing the motorcycle to the operating personnel seeks above device, makes things convenient for the maintenance and the maintenance of motorcycle. When the heavy object acts on the frame, the buffer channel can buffer to a certain extent, and the probability of damage of the motorcycle is reduced.

(2) The design buffer, the buffer supports chain stay and frame, and on the one hand when chain stay and second wheel receive the impact, the buffer cushions, improves the stability of motorcycle, and on the other hand also can consolidate the motorcycle wholly.

Further, the chain stay includes last U-shaped board and fixes the lower U-shaped board on last U-shaped board, and the buffer is installed on last U-shaped board, the power component is wheel hub motor, wheel hub motor and second wheel coaxial arrangement.

Has the advantages that: come the direct drive of second round through in-wheel motor, and then the drive motorcycle to current motorcycle is compared, has reduced the design of structures such as sprocket for the holistic weight of motorcycle further reduces. Meanwhile, the upper U-shaped plate reduces the length of the buffer and reduces the deformation probability of the buffer.

Further, the chain stay includes the U-shaped platform, and the both sides of U-shaped platform all are fixed with the backup pad of being connected with the second wheel rotation, and the lower part circular arc transition of U-shaped platform and power spare are installed in the lower part of U-shaped platform, and the buffer is installed on the upper portion of U-shaped platform, is provided with transmission portion between power spare and the second wheel, transmission portion includes driving part and driven piece, driven piece and second wheel coaxial arrangement, driving part and the output shaft coaxial arrangement of power spare, and the cover is equipped with the connecting piece on driven piece and the driving part.

Has the advantages that: the power part drives the driving part and the driven part to work, and then the driven part drives the second wheel to work. When the buffer works, the buffer drives the bottom fork to move, so that the whole transmission part and the power part are driven to move, and the chain is prevented from loosening.

Furthermore, an adjusting groove is formed in the supporting plate close to the driven piece, an adjusting plate is connected to the horizontal surface in the adjusting groove in a sliding mode, and a rotating shaft of the driven piece is rotatably connected with the adjusting plate.

Has the advantages that: the position of the driven part is adjusted through adjustment of the adjusting plate, so that the tensioning degree of the connecting part on the driven part and the driving part is adjusted, and tensioning of the connecting part is guaranteed.

Furthermore, a fixing groove with a U-shaped longitudinal section is arranged on the supporting plate far away from the driven piece.

Has the advantages that: fixing grooves are formed to facilitate the installation of the brake caliper.

Further, the bumper is a shock absorber.

Has the advantages that: when the motorcycle works, the second wheel and the bottom fork are easy to shake, so that the stability of the motorcycle is poor, and the acting force applied to the bottom fork and the second wheel is buffered through the shock absorber, so that the stability of the motorcycle is improved.

Further, the frame is made of carbon fiber materials, and comprises a head frame, a middle frame and a tail frame, wherein the middle frame, the head frame and the tail frame can be detachably connected, or the head frame, the middle frame and the tail frame are integrally formed, and the head frame and the tail frame are respectively positioned on two sides of the middle frame.

Has the advantages that: the detachable connection facilitates the maintenance and replacement of the whole frame, and when a certain part is damaged, the part can be replaced, so that the maintenance cost is reduced. The frame is manufactured in an integrated forming mode, so that the overall strength and performance of the motorcycle can be improved.

Further, the tailstock comprises an upper frame and a lower frame, and the buffer channel is located between the upper frame and the lower frame.

Has the advantages that: the buffer channel is designed on the tailstock, so that the device is more reasonably installed, and the occupied space of the device on the middle frame is reduced.

Furthermore, a connecting shaft is arranged in the buffer channel, and two ends of the connecting shaft are respectively fixed on the upper frame and the lower frame.

Has the advantages that: the connecting shaft further increases the strength of the tail frame and improves the overall strength of the motorcycle.

Furthermore, the middle frame is provided with a mounting cavity, and the storage battery is positioned in the mounting cavity.

Has the advantages that: the design installation cavity for the mounted position of battery is more reasonable, has avoided the battery of motorcycle to install in the outside of motorcycle, wholly reduces the space that the motorcycle occupy.

Drawings

Fig. 1 is an isometric view of an electric motorcycle according to a first embodiment of the present invention;

fig. 2 is a front view of an electric motorcycle according to a first embodiment of the present invention;

fig. 3 is a front view of a frame of an electric motorcycle according to a first embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is an isometric view of an electric motorcycle according to a second embodiment of the present invention;

fig. 6 is a front view of an electric motorcycle according to a second embodiment of the present invention;

fig. 7 is a front view of a frame of an electric motorcycle according to a second embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: headstock 1, bogie 11, steering shaft 12, first wheel 13, connecting sheet 14, handle 15, middle frame 2, mounting cavity 21, mounting hole 22, storage battery 23, tailstock 3, upper frame 31, lower frame 32, connecting shaft 33, buffer channel 34, seat body 35, shock absorber 4, bottom fork 5, second wheel 51, adjusting groove 52, adjusting plate 53, adjusting hole 54, limiting hole 55, supporting plate 56, upper U-shaped plate 57, lower U-shaped plate 58, casing 6, chain 61, chain groove 63, fixing groove 64 and hub motor 8.

The first embodiment is as follows:

as shown in fig. 3, the electric motorcycle includes a frame made of carbon fiber material, the frame includes a tail frame 3, a middle frame 2 and a head frame 1 from left to right, the tail frame 3, the middle frame 2 and the head frame 1 may be fixed by bolts or integrally formed. In this embodiment, the tailstock 3, the middle frame 2, and the headstock 1 are integrally formed. The frame is made of the carbon fiber material, so that the weight of the frame can be integrally reduced, the tensile strength of the carbon fiber is more than 3500Mpa and can reach 5.5GPa, the tensile strength of the carbon fiber material is greater than that of steel, and the weight of the carbon fiber material is less than that of the steel.

Referring to fig. 1, a steering gear is arranged on the headstock 1, and the steering gear comprises a steering frame 11 with a U-shaped longitudinal section and a steering shaft 12, and the specific installation mode is as follows: the steering shaft 12 penetrates through the upper portion of the steering frame 11, the steering shaft 12 is rotatably connected with the headstock 1, the steering frame 11 is fixedly connected with the steering shaft 12, connecting pieces 14 are welded on two sides of the steering frame 11, a first wheel 13 rotatably connected with the connecting pieces 14 is arranged on the steering frame 11, and the first wheel 13 is located on the central axis of the steering frame 11. A handle 15 is bolted to the steering shaft 12. In operation, the operator drives the steering shaft 12 to rotate on the head frame 1 through the handle 15, the steering shaft 12 drives the bogie 11 to rotate, and the bogie 11 drives the first wheel 13 to steer.

As shown in fig. 3, the lower portion of the headstock 1 is in arc transition with the middle frame 2, the right side of the middle frame 2 is in arc transition, the right side of the middle frame 2 and the arc transition of the headstock 1 form an S-shaped surface, the middle frame 2 is provided with a mounting cavity 21, and as shown in fig. 1 and fig. 2, a storage battery 23 is detachably connected in the mounting cavity 21 through a bolt. The right side of the middle frame 2 is basically an S-shaped streamline profile, and when the motorcycle works in a windward mode, wind can be dispersed through the S-shaped streamline profile, so that the wind resistance of the motorcycle in the running process is reduced. The storage battery 23 is arranged in the frame, so that the occupied area of the storage battery 23 is reduced, the whole body of the motorcycle is reduced, and the storage battery 23 is prevented from being subjected to wind resistance in the driving process of the motorcycle.

The tail frame 3 comprises an upper frame 31 and a lower frame 32, the upper frame 31 and the left part of the lower frame 32 are integrally formed, and the upper frame 31 and the upper part of the middle frame 2 are in arc transition so that the upper part of the frame is a curved surface. The lower shelf 32 transitions into a circular arc on the left side of the middle shelf 2, and the circular arc extends to the bottom of the middle shelf 2. A buffer channel 34 is formed between the upper frame 31 and the lower frame 32, the buffer channel 34 extends to the middle frame 2, a connecting shaft 33 is arranged between the upper frame 31 and the lower frame 32, and two ends of the connecting shaft 33 are respectively welded and fixed with the upper frame 31 and the lower frame 32. The buffer channel 34 extends to the frame, on one hand, the whole weight of the frame can be reduced, on the other hand, the buffer channel 34 can disperse acting force on the upper frame 31, when the frame is impacted, the damage probability of the frame is reduced, in addition, the connecting shaft 33 is arranged between the upper frame 31 and the lower frame 32, the upper frame 31 and the lower frame 32 are connected through the connecting shaft 33, the supporting capacity of the upper frame 31 and the lower frame 32 is enhanced, and further, the strength of the frame is integrally improved. The buffer channel 34 can be used for placing electric leads, sensors and the like, so that when the motorcycle is repaired, the electric leads and the like needing to be repaired can be conveniently searched, and the motorcycle can be conveniently repaired.

Referring to fig. 1, a bottom bolt of the middle frame 2 is fixed with a bottom fork 5, the bottom fork 5 comprises a U-shaped table, supporting plates are integrally formed on two sides of the U-shaped table, and a buffer is arranged between the U-shaped table and the tail frame 3. Generally adopt two shock absorbers 4 among the prior art, and be located the both sides of frame, this scheme shock absorber 4 can adopt one, and is located bottom fork 5, has reduced the installation of shock absorber 4, has reduced the manufacturing cost of motorcycle, and simultaneously, shock absorber 4 is located the U-shaped platform and supports tailstock 3 and well frame 2, and then supports the frame wholly. The U-shaped platform, the shock absorber 4 and the tail frame 3 form a triangle, and the overall stability of the motorcycle is improved.

The lower portion of the U-shaped platform is in arc transition, a hollow shell 6 is fixed to an arc inner bolt, a chain groove 63 is formed in the shell 6, a power part is installed in the shell 6, the power part is a hub motor in the embodiment, the hub motor is electrically connected with the storage battery 23, a stator bolt of the hub motor is fixed to the shell 6, a driving part located in the chain groove 63 is coaxially fixed to a rotor of the hub motor, and the driving part is a main chain wheel in the embodiment. The bottom fork 5 is rotatably connected with a second wheel 51 positioned between the two supporting plates 56, the second wheel 51 is rotatably connected with the two supporting plates 56 through a rotating shaft, a driven chain wheel (not shown in the figure) is coaxially fixed on the second wheel 51 through a bolt, and connecting pieces, namely a chain 61 in the embodiment, are sleeved on the main chain wheel and the driven chain wheel.

A fixing groove 64 with a U-shaped longitudinal section is fixed on the supporting plate 56 of the bottom fork 5 far away from the chain 61 through a bolt, and a brake caliper for braking the second wheel 51 is fixed in the fixing groove 64 through a bolt. Referring to fig. 4, an adjusting groove 52 is formed in a supporting plate 56 on the other side of the bottom fork 5, an L-shaped adjusting plate 53 is connected to the adjusting groove 52 in a horizontal sliding manner, a rotating shaft which extends into the adjusting plate 53 and is rotatably connected with the adjusting plate 53 is fixed by a bolt on a chain wheel, a limiting hole 55 is formed in the left side of the adjusting plate 53, a limiting rod is connected to the limiting hole 55 in a threaded manner, an adjusting hole 54 is formed in the right side of the adjusting plate 53, and an adjusting rod (not shown in the figure) is connected to the adjusting. The adjusting plate 53 is driven to slide in the adjusting groove 52 through the rotation of the adjusting rod, the adjusting plate 53 is driven to move leftwards or rightwards through the rotating shaft, the tensioning of the chain 61 on the driven chain wheel and the main chain wheel is guaranteed through adjusting the position of the driven chain wheel, and meanwhile, the adjusting plate 53 is limited through the limiting rod so as to prevent the adjusting plate 53 from sliding out of the adjusting groove 52. When the damper 4 works, the damper 4 drives the bottom fork 5 and the hub motor to move, namely, a main chain wheel on the hub motor, a slave chain wheel on the second wheel 51, and a chain 61 sleeved on the slave chain wheel and the main chain wheel synchronously move, so that the chain 61 is prevented from loosening. Among the prior art, the motor is generally installed on the automobile body, and when the tire moved from top to bottom under the effect of shock absorber, the tire area chain and sprocket up-and-down motion, and then leaded to the chain to stagger with the sprocket on the motor, so lead to the chain to relax easily, this scheme has overcome above problem through the installation design of chain stay 5 with in-wheel motor.

As shown in fig. 1, a seat body 35 is disposed on the upper portion of the frame, and two sides of the seat body 35 are respectively bolted to the tail frame 3 and the middle frame 2. The bottom of the middle frame 2 is provided with a mounting hole 22 for mounting the pedal.

The specific implementation process is as follows:

the storage battery 23 supplies power to the hub motor, the hub motor works, the hub motor drives the driven chain wheel to work through the main chain wheel and the chain 61, the driven chain wheel drives the second wheel 51 to work, and the second wheel 51 pushes the whole motorcycle to move.

Example two:

the second embodiment is different from the first embodiment in that, as shown in fig. 5, fig. 6 and fig. 7, the longitudinal section of the bottom fork 5 is a Y-shaped structure, the bottom fork 5 includes an upper U-shaped plate 57 and a lower U-shaped plate 58, the upper U-shaped plate 57 and the lower U-shaped plate 58 are integrally formed, one end of the shock absorber 4 is fixed on the upper U-shaped plate 57 by a bolt, and the other end of the shock absorber 4 is fixed on the middle frame 2 by a bolt. The right side of the lower U-shaped plate 58 is fixedly connected with the bolt of the middle frame 2.

The stator of the in-wheel motor 8 is fixedly connected with the second wheel 51 through a bolt, and the rotor of the in-wheel motor 8 is rotatably connected with the left end of the bottom fork 5.

In this embodiment, compared with the first embodiment, the hub motor 8 is designed on the second wheel 51, so that the design of the chain wheel and the chain 61 is reduced, the overall weight of the motorcycle is further reduced, and the production cost of the motorcycle is reduced. Meanwhile, the length of the shock absorber 4 is reduced because the upper U-shaped plate is close to the middle frame 2. When the damper 4 is used, if the length of the damper 4 is too long, the damper is easily deformed and damaged. Through the bottom fork 5 structure of this scheme, not only can reduce the length of shock absorber 4, still reserved installation space for second wheel 51 for the holistic framework of motorcycle is more succinct, pleasing to the eye. The bottom fork 5, the shock absorber 4 and the middle frame 2 form a triangle, and the strength of the motorcycle is improved.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The technology, shape and construction parts which are not described in the present invention are all known technology.

Claims

1. An electric motorcycle characterized in that: the device comprises a frame, wherein one side of the frame is rotatably connected with a steering gear, the steering gear is rotatably connected with a first wheel, and the other side of the frame is provided with a buffer channel;

a storage battery is arranged in the frame, a bottom fork is arranged at the bottom of the frame, and a buffer is arranged between the bottom fork and the frame;

the flat fork is rotatably connected with a second wheel which is driven by a power part.

2. The electric motorcycle of claim 1, wherein: the bottom fork comprises an upper U-shaped plate and a lower U-shaped plate fixed on the upper U-shaped plate, the buffer is mounted on the upper U-shaped plate, the power part is a hub motor, and the hub motor and the second wheel are coaxially mounted.

3. The electric motorcycle of claim 1, wherein: the bottom fork comprises a U-shaped table, supporting plates which are rotatably connected with the second wheel are fixed on two sides of the U-shaped table, a circular arc transition part is arranged on the lower portion of the U-shaped table, a power part is arranged on the upper portion of the U-shaped table, a buffer is arranged on the upper portion of the U-shaped table, a transmission part is arranged between the power part and the second wheel, the transmission part comprises a driving part and a driven part, the driven part and the second wheel are coaxially arranged, the driving part and an output shaft of the power part are coaxially arranged, and a connecting part is sleeved on the driven part and the driving part.

4. The electric motorcycle of claim 3, wherein: an adjusting groove is formed in the supporting plate close to the driven piece, an adjusting plate is connected to the horizontal surface in the adjusting groove in a sliding mode, and a rotating shaft of the driven piece is connected with the adjusting plate in a rotating mode.

5. The electric motorcycle of claim 4, wherein: a fixing groove with a U-shaped longitudinal section is arranged on the supporting plate far away from the driven piece.

6. The electric motorcycle of any one of claims 1 to 5, wherein: the buffer is a shock absorber.

7. The electric motorcycle of claim 1, wherein: the frame is made of carbon fiber materials and comprises a head frame, a middle frame and a tail frame, wherein the middle frame is detachably connected with the head frame and the tail frame, or the head frame, the middle frame and the tail frame are integrally formed, and the head frame and the tail frame are respectively positioned on two sides of the middle frame.

8. The electric motorcycle of claim 7, wherein: the tail frame comprises an upper frame and a lower frame, and the buffer channel is located between the upper frame and the lower frame.

9. The electric motorcycle of claim 8, wherein: and a connecting shaft is arranged in the buffer channel, and two ends of the connecting shaft are respectively fixed on the upper frame and the lower frame.

10. The electric motorcycle of claim 7, wherein: the middle frame is provided with a mounting cavity, and the storage battery is positioned in the mounting cavity.