TWM448385U - Driving structure for electric bicycle - Google Patents

Description

Electric bicycle driving structure

The present invention relates to an electric bicycle driving structure, in particular to a driving mechanism for a human-powered driving gear and an electric driving toothed disc on the two sides of the rear wheel hub, so that the user can select one of the driving structures to independently drive the operation. The rear wheel has the functions of electric and pedaling, so as to achieve substantial benefits of substantial physical strength.

According to the rise of crude oil prices and the improvement of people's sports health concept, bicycles used only for short-distance travel tools have been used as one of the main means of transportation, and bicycles are powered by human pedaling. The problem of reducing oil consumption and air pollution, as well as the utility of sports and leisure, and achieving fitness goals, is now becoming more popular as a leisure sport.

Since the bicycle is manpower, the manpower is easily exhausted and is not suitable for long-distance travel, and the manpower is stepped on, so that it is easy to have insufficient thrust when going uphill. Therefore, in order to save the riding physical strength, the auxiliary sprocket is added to the rear wheel of the bicycle, the motor is assembled on the bicycle, and the sprocket is assembled on the motor drive shaft, followed by the transmission component (generally a chain) Or a belt) is disposed on the sprocket of the auxiliary sprocket and the motor, and when the starter motor is actuated, the driving force of the motor can be transmitted to the auxiliary sprocket through the transmission component (chain or belt), and then band Move the rear wheel to rotate, in order to achieve the effect of saving the riding strength.

However, in general, the bicycle is equipped with an electric drive mechanism for assisting the user in saving the physical strength of the bicycle, since the electric drive device of the bicycle is assembled to the rear wheel to drive the rear wheel to rotate, and then the rear wheel rotates with the rear wheel. The toothed discs that are linked by the transmission components (chains or belts) are also driven, so that the pedals assembled on the toothed discs are also actuated. At this time, if the user applies the pedals again, it may be caused by The speed of the pedaling is not synchronized with the rotation speed of the motor, and the transmission component (chain or belt) assembled to the rear wheel is easy to cause the transmission component (chain) under the double driving force of the user's pedaling speed and the motor rotation speed. Or belt) falling off.

The reason is that the creator has in view of the lack of design of the existing electric drive of the bicycle on the same side of the rear wheel, and to more effectively reduce the physical exertion when pedaling the bicycle, by virtue of its many years of manufacturing and design experience and knowledge in related fields. Auxiliary, and through many ingenuity, the R&D and improvement of the electric drive of the bicycle is carried out, and the service is expected to exert its higher practical efficiency.

The present invention provides an electric bicycle driving structure, which mainly comprises a human driving gear plate and an electric driving tooth plate at two ends of the flower hub of the rear wheel of the bicycle, wherein the human driving gear plate drives the flower hub in a right-handed manner. Wheel rotation; electric drive gear plate drives the hub belt in a left-handed manner The rear wheel rotates, so that the rear wheel has the function of electric and pedaling.

The driving structure provided by the present invention is installed on the other side of the structure of the general human pedaling drive, and an electric driving structure is separately installed, so that the user can freely select one of the driving structures to independently drive the operation without being driven by another driving structure. Interference, so the operation is quite convenient, and can reduce the unnecessary loss of pedaling power, making pedaling more efficient.

In order to make the purpose, the technical solution and the advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments, wherein: FIG. 1 is a schematic diagram showing the state of use of the present invention. The second figure is a schematic diagram of the rear wheel drive of the first figure. The third figure discloses a three-dimensional schematic diagram of the human-powered toothed disc and the electric drive toothed disc assembled on both sides of the flower hub. The fourth picture is a side view of the third figure. The fifth figure is an exploded view of the fourth figure. The sixth figure is a schematic cross-sectional view of the fifth figure. The specific embodiments described below are merely illustrative of the present invention and are not intended to limit the scope of the present invention.

First, referring to the first figure, the present invention is an embodiment of an electric bicycle driving structure, mainly on the structure of a general bicycle 10, and additionally mounting an electric driving device 20, wherein the bicycle 10 mainly includes a front wheel (Fig. A rear wheel 11, a rear wheel 11 is provided with a flower hub 13; a set of frames 12 connected to the front wheel and the rear wheel 11, and a seat cushion (not shown) is disposed at the upper end of the frame 12.

a structure for providing a human pedaling drive, which comprises a set of a stepping assembly 16 at the lower end of the frame 12; a set of human-powered driverings 14 disposed on the side of the hub 13 of the rear wheel 11, and a transmission member 15 for coupling the pedal assembly 16 and the human-driven gear carrier 14, the transmission The element 15 is usually a chain; the human-driven gear plate 14 disposed on the side of the hub 13 of the rear wheel 11 is rotated by the pedal 17 to drive the vehicle body to advance, and the bicycle is not described as a feature of the present invention. .

The electric drive device 20 mainly comprises a battery 24 and an electric motor 23 connected to the frame 12; a set of electric drive toothed discs 21 disposed on the other side of the flower hub 13 of the rear wheel 11; and a connecting electric drive tooth The disk 21 and the transmission element 22 of the electric motor 23, the transmission element 22 may be a chain or a belt; the electric motor 23 is electrically activated by the battery 24 to rotate the electric drive gear 21 disposed on the side of the hub 13 of the rear wheel set 11 In order to drive the car body forward.

Referring to FIG. 2 to FIG. 6 again, in the above-mentioned electric bicycle driving structure, the two ends of the flower hub 13 of the rear wheel 11 are provided with a human power driving toothed disk 14 and an electric driving toothed disk 21, and then Referring to FIG. 3 to FIG. 6 , an electric bicycle driving structure in which the human power driving toothed disk 14 drives the flower hub 13 to rotate the rear wheel in a right-handed manner, and the electric driving toothed disk 21 drives the flower hub 14 in a left-handed manner. The rear wheel 11 is rotated to provide the rear wheel 11 with both electric and pedaling functions.

Secondly, the power required for the electric motor 23 of the electric bicycle driving structure is provided by a battery 24, and the present embodiment The battery 24 is mounted on the upper fork portion of the frame 10, and since the battery 24 provides the electric motor 23 with the powerless structure, it will not be described.

In order to further understand the characteristics of this creation, the use of technical means and the expected results, we will describe the use of this creation, and believe that we can have a deeper and more specific understanding of this creation, as follows: Please refer to In the first and second figures, the electric bicycle driving structure of the present invention has a traditional pedaling function and an electric driving function, which can be selected by the rider according to individual needs, and since the driving method of the human pedaling is the same as the conventional one, As far as the rider selects the electric drive mode, the electric motor 23 can be controlled to start running, so that the output power can be connected to the flower hub 13 through the transmission element (chain or belt) 22. The electric drive toothed disc 21 rotates, so that the rear wheel 11 can be driven by the flower hub 13 to advance, and the electric drive function is achieved.

Referring to the first figure, in the embodiment of the electric bicycle driving structure, the electric motor 23 is preferably installed between the rear wheel 11 and the pedal assembly 16 by the electric transmission mechanism. Power assist can greatly reduce the physical loss when the user steps on the bicycle.

The invention relates to a mechanism design of an electric bicycle driving structure, which has a human-driven structure and is mounted on the other side of the human-powered toothed disc. An electric drive gear plate is provided, and the electric motor is connected by the transmission component, so that the electric bicycle of the present invention can provide the rider to select the electric or manual way to drive the bicycle.

Therefore, from the above structure and implementation, the author has the following advantages:

1. This creation department assembles the electric drive mechanism of the bicycle on the other side of the human-powered drive gear. Here, even when the electric drive is actuated, if the user presses the pedal, it is less likely to occur due to the speed of the pedaling. The speed of the motor is not synchronized, causing the transmission element (chain or belt) to fall off.

2. This creation department assembles the electric drive mechanism of the bicycle to the other side of the human-powered drive gear, thereby being applicable to the bicycle which is generally assembled with the shifting mechanism of the rear wheel, and is convenient without changing the shifting mechanism. The electric transmission device is assembled on the bicycle, and the shifting mechanism performs the shifting conversion, and does not affect the electric transmission device assembled on the front wheel of the bicycle, thereby increasing the practical benefit of use.

3. This creation is based on the rear side of the bicycle, which is assembled on the other side with respect to the original sprocket or shifting mechanism, and further equipped with a sprocket, and then a motor is mounted on the bicycle frame, and the drive shaft of the motor is assembled. There is a one-way ratchet, and a transmission element (chain or belt) is connected between the one-way ratchet and the sprocket, thereby cooperating with the transmission mechanism assembled on the front wheel, thereby further improving the traveling speed of the bicycle and saving the physical strength of the rider. Consumer.

4. The authoring system enables the electric drive mechanism of the bicycle to assemble the speed adjustment mechanism on the handle of the bicycle, and the speed adjustment mechanism is connected with the motor, whereby the user can control the rotation speed of the adjustment motor to achieve Control the effect of the forward speed of the bicycle.

The above is only one of the preferred embodiments of the present invention, and the equivalent structural changes in the application of the present specification and the scope of the patent application are intended to be included in the scope of the present patent.

In summary, the present embodiment can achieve the expected efficacy, and the specific structure disclosed is not only seen in similar products, nor has it been disclosed before the application, and has fully complied with the requirements and requirements of the Patent Law.爰Proposing an application for a new type of patent in accordance with the law, and pleading for a review and granting a patent, it is really sensible.

10‧‧‧Bicycle

11‧‧‧ Rear wheel

12‧‧‧ frame

13‧‧‧Flower hub

14‧‧‧Human drive chainring

15‧‧‧Transmission components

16‧‧‧ pedal assembly

17‧‧‧ pedal

20‧‧‧Electric drive

21‧‧‧Electric drive toothed disc

22‧‧‧Transmission components

23‧‧‧Electric motor

24‧‧‧Battery

The first picture is a schematic diagram of the state of use of the creation.

The second figure is a schematic diagram of the rear wheel drive of the first figure.

The third figure is a three-dimensional schematic diagram of the human-powered toothed disc and the electric drive toothed disc assembled on both sides of the flower hub.

The fourth picture is a side view of the third figure.

The fifth figure is an exploded view of the fourth figure.

The sixth figure is a schematic cross-sectional view of the fifth figure.

13‧‧‧Flower hub

14‧‧‧Human drive chainring

21‧‧‧Electric drive toothed disc

Claims (1)

The utility model relates to an electric bicycle driving structure, which mainly comprises a human driving gear plate and an electric driving tooth plate at two ends of the flower hub of the rear wheel of the bicycle; wherein the human driving gear plate drives the flower hub to rotate the rear wheel in a right-handed manner, and is electrically driven. The toothed disc drives the flower hub to rotate the rear wheel in a left-handed manner, so that the rear wheel has the functions of electric and pedaling.