TWI783383B - drive unit - Google Patents

Abstract

The present invention provides a driving device, which is applied to a mobile carrier and includes a vehicle frame and a moving wheel arranged on the vehicle frame. The driving device includes a power part and a driving wheel. The power part is detachably arranged on the vehicle frame and used for providing power. The driving wheel includes a wheel shaft and a tire, the wheel shaft is connected to the power part to receive the power provided by the power part, the tire surrounds the wheel shaft and is used to drive the moving wheel of the mobile vehicle.

Description

drive unit

The invention provides a driving device, especially a driving device detachably arranged on a vehicle frame of a mobile vehicle.

Existing mobile vehicles, such as wheelchairs, can be roughly classified into manpower type or electric type. The cost of electric wheelchairs is very high, and if the electric motor is damaged, it must be sent back to the manufacturer or store for repair, and the user is in a situation of lack of mobility tools during the repair.

The inventor then exhausted his brains to study carefully, and then developed a driving device, which is detachably arranged on a mobile carrier, so that the user does not need to spend a lot of money to purchase an electric mobile carrier, and when it is damaged, only The driving device needs to be sent for repair or replacement, thereby saving purchase cost and reducing user's inconvenience.

One aspect of the present invention is to provide a driving device, which is applied to a mobile carrier, which includes a frame and a moving wheel arranged on the frame, and the driving device includes: a power part for detachable and a driving wheel, which includes a wheel shaft and a tire, the wheel shaft is connected to the power part to receive the power provided by the power part, the tire surrounds the wheel shaft and The mobile wheels used to drive the mobile vehicle.

Another aspect of the present invention provides a driving device, the driving device includes: a power part for providing power; and A driving wheel, which includes a wheel shaft and a tire, the wheel shaft is connected to the power part to receive the power provided by the power part, the tire surrounds the wheel shaft and is used to drive the moving wheel of the mobile vehicle.

Thereby, the driving device of the present invention is detachably arranged on the mobile vehicle, and the mobile vehicle can be driven by driving the mobile wheel through the driving wheel, and the user does not need to spend a high cost to purchase an electric mobile vehicle. And when damage occurs, only the driving device needs to be repaired or replaced, thereby saving purchase costs and reducing inconvenience to users.

1:Mobile vehicle

10: Frame

11: Mobile wheel

11a: Front wheel

11b: rear wheel

12: Handle frame

110: The first tire pattern

2: Drive device

20: Power department

21: Drive wheel

22: clamping part

23: Control Department

231: Joystick

232: button

210: axle

211: tire

212: Second tire pattern

24: clamping components

240: carrier board

240a: Part I

240b: Second part

241: First Fixture

242:Second Fixture

25: Controller

26: Wireless module

27:Sensing module

X: coordinate axis

Y: coordinate axis

[Fig. 1] is the first schematic diagram of the driving device combined with the frame and moving wheels of a moving vehicle according to the specific embodiment of the present invention.

[Fig. 2A] is the second schematic diagram of the driving device combined with the frame and moving wheels of a mobile vehicle according to the specific embodiment of the present invention.

[Fig. 2B] is the third schematic diagram of the driving device combined with the frame and moving wheels of a mobile carrier according to the specific embodiment of the present invention.

[ Fig. 3 ] is a schematic block diagram 1 of a mobile vehicle and a driving device according to a specific embodiment of the present invention.

[Fig. 4] is a schematic diagram of the application of the driving device of the specific embodiment of the present invention to a wheelchair.

[Fig. 5] is a schematic diagram 4 of a driving device of a specific embodiment of the present invention combined with a vehicle frame and moving wheels of a moving vehicle.

[Fig. 6] is the second schematic block diagram of the mobile carrier and the driving device according to the specific embodiment of the present invention.

In order to fully understand the purpose, features and effects of the present invention, the present invention will be described in detail through the following specific embodiments and accompanying drawings, as follows:

Please refer to FIG. 1 to FIG. 5 . As shown in FIG. 1 , an aspect of the present invention provides a driving device 2 which can be applied to a mobile vehicle 1 . The mobile vehicle 1 includes a frame 10 and a moving wheel 11 disposed on the frame 10 , and the driving device 2 includes a power part 20 and a driving wheel 21 . The power part 20 is detachably disposed on the vehicle frame 10 and used for providing power. The driving wheel 21 includes a wheel shaft 210 and a tire 211, the wheel shaft 210 is connected to the power part 20 to receive the power provided by the power part 20, the tire 211 surrounds the wheel shaft 210 and is used to drive the mobile vehicle 1 The mobile wheel 11. The power part 20 can provide power to the driving wheel 21 to rotate, and the tire 211 of the driving wheel 21 drives the moving wheel 11 to rotate. The drive between the tire 211 and the moving wheel 11 can come from the friction between the two. The power unit 20 can be an electric motor and has a battery (not shown), but is not limited thereto. The mobile vehicle 1 can be a non-electric mobile vehicle.

Thereby, the driving device 2 of the present invention is detachably arranged on the mobile vehicle 1, and the mobile vehicle 1 can be driven by driving the mobile wheel 11 through the driving wheel 21. type mobile carrier, and when damage occurs, only the driving device 2 needs to be repaired or replaced, thereby saving purchase costs and reducing user inconvenience.

As shown in FIG. 2A , in an embodiment, the driving device 2 may further include a clamping portion 22 . The clamping part 22 is connected to the power part 20 and can be clamped to the vehicle frame 10 . The clamping portion 22 can be a clamp, but not limited thereto. In addition, the power part 20 can be elastically connected to the clamping part 22 in the Y direction in FIG. 2 to adjust the force applied to the moving wheel 11 . The moving wheel 11 has a first tread pattern 110, and the tire 211 of the driving wheel 21 has a second tread pattern 212 that drives the first tread pattern 110, thereby providing the tire 211 of the driving wheel 21 and the moving wheel 11. frictional force between them.

As shown in FIGS. 1 and 2B , in an embodiment, the driving device 2 may further include a clamping component 24 . The clamping assembly 24 is detachably assembled on the power part 20 and includes a carrier plate 240 , a first clamp 241 and a second clamp 242 disposed on the carrier plate 240 . The carrier 240 includes a first portion 240a and a second portion 240b. The first clamp 241 is disposed on the first portion 240a, and the second clamp 242 is disposed on the second portion 240b. In this embodiment, the first clamp 241 and the second clamp 242 are the same clamp, but not limited thereto, the first clamp 241 and the second clamp 242 may also have different structures from each other. The first clamp 241 and the second clamp 242 are used to clamp the vehicle frame 10, and the configuration of the first clamp 241 and the second clamp 242 can conform to the style, pipe diameter or bend of the vehicle frame 10 installed. fold. In addition, when it is applied to the mobile carrier 1 of a wheelchair, a fabric (not shown in the figure) can be interposed between the first clamp 241 and the second clamp 242 as a seat back or a backrest. After the clamping assembly 24 is fixed on the vehicle frame 10 , the power part 20 of the driving device 2 can be assembled on the carrier plate 240 to adjust the frictional force between the tire 211 of the driving wheel 21 and the moving wheel 11 . The power part 20 can be assembled on the carrier board 240 by locking or clamping, but it is not limited thereto.

As shown in FIGS. 3 and 4 , in an embodiment, the driving device 2 may further include a control portion 23 . The control part 23 is electrically connected to the power part 20 and fixed to the vehicle frame 10 . In FIG. 4 , the mobile vehicle 1 to which the driving device 2 is applied is a non-electric wheelchair. The mobile carrier 1 includes two handle frames 12 , and the two handle frames 12 are respectively provided with a control portion 23 . The mobile carrier 1 includes two opposite mobile wheels 11 , and each of the mobile wheels 11 can be driven by at least one driving device 2 respectively. In this embodiment, each of the moving wheels 11 corresponds to two driving devices 2 located above and in front of the moving wheels 11 respectively, but it is not limited thereto. Each of the control parts 23 can be connected to the respective power parts 20 of the two driving devices 2 on the same side through electric wires (not shown in the figure), but it is not limited thereto. For example, each of the control parts 23 can also be integrally connected to the power part of one of the driving devices 2 on the same side, for example, integrally connected to the driving device 2 above the moving wheel 11 . Each of the control parts 23 can be provided with The clamping part 22 of the driving device 2 as shown in FIG. 2 or other detachable clamping structures are clamped on the handle frame 12 . Each of the control parts 23 can be a control instrument, and is provided with a joystick 231 and a plurality of buttons 232 . The bottom of each control part 23 can be provided with a switch (not shown). When correctly installed on the handle frame 12, the switch can be effectively operated by pressing the switch, so as to avoid accidental touch during installation or falling off. When the mobile vehicle 1 is used as a walking aid, the walking aid mode can be set by the control part 23 , and the driving device 2 will only be activated when the user pushes the mobile vehicle 1 . When the mobile vehicle 1 is traveling on steep terrain or the power of the driving device 2 is insufficient, it can also be set to the walking assistance mode or the boosting mode through the control unit 23 . When the mobile vehicle 1 is in the walking aid mode or the booster mode, the driving wheel 21 can be rotated by the moving wheel 11 to charge the battery (not shown) in the power unit 20 . An automatic power-off system can also be built in the control part 23, and when it is detected that the battery or the moving wheels 11 are overheated, the power will be automatically cut off to ensure the safety of the user. When the mobile carrier 1 is provided with two opposite (i.e. left and right configuration) movable wheels 11, by installing the driving device 2 on the left and right sides of the mobile carrier 1, a difference can be generated between the two movable wheels 11. speed, so that the mobile vehicle 1 can exhibit the performance of turning left and right or turning on the spot.

As shown in Figure 4, the driving device 2 of the present invention can control the two moving wheels 11 only by one control part 23, for example, when the mobile vehicle 1 moves straight forward or makes a general turn, one of the control parts 23 can simultaneously Control the corresponding moving wheel 11 to drive the other moving wheel 11, for example, by operating the rocker 231 and the button 232 to accelerate and turn, but not limited thereto.

As shown in FIG. 4 , each control portion 23 of the driving device 2 of the present invention can also independently control the corresponding moving wheel 11 . When the mobile carrier 1 of a wheelchair needs to perform complex actions, such as dancing, ball games or stunts, the corresponding mobile wheels 11 can be controlled independently by each of the control parts 23, for example, the rockers on the two control parts 23 can be turned The bar 231 can be turned around quickly on the spot by being pulled in different directions. Mobile carrier 1 among Fig. 4 is the wheelchair of non-competitive type, yet mobile carrier 1 also can be the wheelchair (not shown) of a competitive type, and the structure of its vehicle frame 10 can make the distance of two mobile wheels 11 more toward Bottom crescendo.

As shown in Figure 5, in one embodiment, the mobile carrier 1 includes two mobile wheels 11, the two mobile wheels 11 include a front wheel 11a and a rear wheel 11b, the tires 211 of the driving wheels 21 of the driving device 2 Can drive this rear wheel 11b, but not limited thereto, driving wheel 21 can also drive front wheel 11a, even this mobile vehicle 1 can be equipped with two driving devices 2 and drive this front wheel 11a and this rear wheel 11b respectively, to further The mobility and torsional performance of the mobile vehicle 1 are improved. In this way, the originally non-electric mobile vehicle 1 can be quickly converted into an electric mobile vehicle, such as the bicycle shown in FIG. 5 , by the detachable drive device 2 . But not limited thereto, the mobile vehicle 1 can also be a scooter, handcart, trolley or other mobile vehicles. As shown in Figures 1 to 5, the driving device 2 of the present invention can also be directly installed on a vehicle frame (not shown) that does not have moving wheels 11, or can be directly used as a mobile vehicle (such as a handcart or a trolley) wheels to become accessories that users can assemble by themselves.

As shown in FIGS. 1 and 6 , the driving device 2 of the present invention may include a controller 25 and a wireless module 26 electrically connected to the controller 25 . The controller 25 can be a single-chip microcomputer device, but it is not limited thereto. The wireless module 26 can be a circuit or a chip of a communication protocol such as Global Positioning System (GPS), wireless network (WiFi), 4G or 5G, to receive a wireless control signal, and the controller 25 executes a phase according to the wireless control signal. A corresponding driving control mode is used to improve the anti-theft and traceability of the mobile vehicle 1 installed on the driving device 2 . For example, the mobile vehicle 1 can be navigated back home by the global positioning system, or the mobile vehicle 1 can be navigated back to the parking position in the shopping mall by wireless network, 4G or 5G network. For example, in hospitals and shopping malls, the user does not need to return to the mobile vehicle 1 after using it. The driving device 2 can sense the user's departure and return to the rechargeable parking position by itself. In addition, the anti-theft performance of the driving device 2 itself and the installed mobile vehicle 1 can be improved by the wireless module 26 .

As shown in FIGS. 1 and 6 , the driving device 2 of the present invention may further include a sensing module 27 . The sensing module 27 can be a chip or a circuit, and the sensing module 27 is electrically connected to the controller 25 and used After sensing the surrounding environment to receive the sensing signal from the surrounding environment, the controller 25 executes a corresponding driving control mode according to the wireless control signal.

As shown in Figures 1 and 6, for example, the sensing module 27 can be a distance sensor of radar, acoustic wave or infrared type, and when an obstacle is detected around the mobile vehicle 1, the controller 25 can Control the mobile vehicle 1 to avoid.

As shown in FIGS. 1 and 6, for example, the sensing module 27 can be a speed sensor. When the mobile vehicle 1 travels downhill and the speed is faster than a preset value, the controller 25 can control the Move Vehicle 1 to slow down. The monitor can control the speed of the mobile vehicle 1 through the wireless module 26 to improve the safety of the user.

As shown in Figures 1 and 6, for example, the sensing module 27 can be a pressure and balance sensor to detect the situation of the user using the mobile vehicle 1 through changes in pressure and pressure position, such as when driving When the device 2 is installed on the mobile vehicle 1 that is a skateboard, it can be known whether the user's actions are correct, and when the driving device 2 is installed on the seat of the mobile vehicle that is a wheelchair, it can be known whether the user has abnormal conditions such as Faint or fall, and send back to the monitor through the wireless module 26 for rescue or other corresponding treatment.

The present invention has been disclosed above with preferred embodiments, but those skilled in the art should understand that the embodiments are only used to describe the present invention, and should not be construed as limiting the scope of the present invention. It should be noted that all changes and substitutions equivalent to the embodiment should be included in the scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the scope of the patent application.

1:Mobile vehicle

10: Frame

11: Mobile wheel

2: Drive device

20: Power department

21: Drive wheel

210: axle

211: tire

Claims (17)

A driving device, which is applied to a mobile carrier, includes a vehicle frame and a moving wheel arranged on the vehicle frame. Power; and a driving wheel, including a wheel shaft and a tire, the wheel shaft is connected to the power part to receive the power provided by the power part, the tire surrounds the wheel shaft and is used to drive the moving wheel of the mobile vehicle. The driving device as claimed in claim 1, wherein the moving wheel has a first tread, and the tire of the driving wheel has a second tread that drives the first tread. The driving device according to claim 1, further comprising a control part electrically connected to the power part and fixed to the vehicle frame. The driving device according to claim 3, wherein the control part is integrally connected with the power part. The drive device as claimed in claim 1, wherein the mobile vehicle is a non-electric wheelchair comprising two opposite mobile wheels. The driving device as described in claim 5, wherein the mobile carrier is provided with two driving devices for respectively driving the two moving wheels. The driving device as described in claim 1, wherein the mobile vehicle comprises two mobile wheels, the two mobile wheels comprise a front wheel and a rear wheel, and the mobile vehicle is provided with a drive A moving device is used to drive the rear wheel, the front wheel, or the mobile carrier, which includes a bicycle, a scooter, a handcart or a wheelbarrow. The driving device according to claim 1, further comprising a clamping portion connected to the power unit and capable of clamping to the vehicle frame. The driving device according to claim 8, wherein the clamping portion is a clamp. The driving device as described in claim 1, further comprising a clamping assembly comprising a carrier plate, a first clamp and a second clamp, the carrier plate comprising a first part and a second part, the first The clamp is disposed on the first part, the second clamp is disposed on the second part, the first clamp and the second clamp are used for clamping the vehicle frame, and the power part is detachably assembled on the carrier board. The driving device according to claim 1, further comprising a controller and a wireless module electrically connected to the controller, the wireless module is used for receiving a wireless control signal. The driving device as described in claim 11, wherein the wireless module is a circuit or chip of communication protocols such as Global Positioning System (GPS), wireless network (WiFi), 4G or 5G, to navigate the mobile vehicle. The drive device as described in claim 11, further comprising a sensing module electrically connected to the controller, the sensing module is used to sense the surrounding environment to receive a sensing signal from the surrounding environment, the control The device executes a corresponding driving control mode according to the wireless control signal. The driving device as described in claim 13, wherein the sensing module is a distance sensor of radar, acoustic wave or infrared type, and when an obstacle is sensed around the mobile vehicle, the controller controls the Move the vehicle to dodge. The driving device according to claim 13, wherein the sensing module is a speed sensor, and when the speed of the mobile vehicle is faster than a preset value, the controller controls the mobile vehicle to decelerate. The drive device as described in claim 13, wherein the sensing module is a pressure and balance sensor to sense the use of the mobile vehicle through changes in pressure and pressure position. A driving device, which includes: a power part for providing power; and a driving wheel, which includes a wheel shaft and a tire, the wheel shaft is connected to the power part to receive the power provided by the power part, and the tire surrounds The axle is used to drive a moving wheel of a moving vehicle.

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