Electric vehicle

Patent metadata

Field	Value
Publication number	US-12319331-B2
Application number	US-202418617604-A
Country	US
Kind code	B2
Filing date	Mar 26, 2024
Priority date	Jun 12, 2020
Publication date	Jun 3, 2025
Grant date	Jun 3, 2025

Abstract

An electric vehicle is provided, including: a main body, traveling wheels, a drive assembly and a controller. The traveling wheels are arranged on the main body. The drive assembly is arranged on the main body and includes a hub motor. The hub motor is arranged on the traveling wheels. The controller is used to control the hub motor.

First claim

What is claimed is:

1. An electric vehicle comprising:
a main body;
a traveling wheel mounted on the main body;
a drive assembly mounted on the traveling wheel, the drive assembly including a hub motor;
a power supply assembly connected to the main body and electrically connected to the hub motor;
a handle mounted on the main body, the handle including a cross-bar part for gripping and a pair of arm part formed by bending and extending outward from two ends of the cross-bar part connected to the main body;
a control assembly mounted on the cross-bar part, the control assembly including an operating handle assembly for operating the hub motor and a brake handle assembly for braking the hub motor; and
a controller electrically connected to the control assembly, the controller controlling the hub motor based on signal from the control assembly,
wherein the operating handle assembly is arranged below or under the cross-bar part and the brake handle assembly is arranged in front of or directly in front of the cross-bar part.

2. The electric vehicle according to claim 1 , wherein
when the operating handle assembly is triggered, current is allowed to flow to the hub motor for moving the electric vehicle.

3. The electric vehicle according to claim 2 , wherein when the operating handle assembly isn't triggered, the hub motor will be braking in a set time.

4. The electric vehicle according to claim 1 , wherein
when the braking handle assembly is triggered, the hub motor is not allowed to rotate.

5. The electric vehicle according to claim 1 , wherein the operating handle assembly comprises a lower left operating handle and a lower right operating handle, the braking handle assembly comprises a left brake handle and a right brake handle.

6. The electric vehicle according to claim 1 , wherein the control assembly further comprises a forward and backward button for switching the electric vehicle forward and rearward.

7. The electric vehicle according to claim 1 , wherein the power supply assembly is detachably attached to the handle.

8. The electric vehicle according to claim 7 , the power supply assembly comprises a battery pack accommodating part arranged on the handle through a fixing part, and a battery pack arranged in the battery pack accommodating part.

9. The electric vehicle according to claim 8 , wherein a key holder and a safety key are provided at the battery pack accommodating part, the safety key is used to control the conduction and disconnection of the battery pack.

10. The electric vehicle according to claim 9 , wherein the power supply assembly comprises two battery pack accommodating parts and two battery packs, the controller is located between the two-battery pack accommodating parts.

11. The electric vehicle according to claim 7 , wherein the power supply assembly is detachably attached to the handle by a pair of quick clip locks.

12. The electric vehicle according to claim 11 , wherein the power supply assembly could be attached to the handle in different height.

13. The electric vehicle according to claim 1 , wherein the control assembly further comprises a speed-control knob for adjusting the moving speed of the electric vehicle.

14. A control assembly for electric vehicle mounted on a cross-bar part, comprising:
a fixing base;
a control panel mounted on the fixing base;
an operating handle assembly mounted on the fixing base for operating a hub motor; and
a brake handle assembly for braking the hub motor,
wherein the operating handle assembly is arranged below or under the cross-bar part, and the brake handle assembly are arranged in front of or directly in front of the cross-bar part when the control assembly is mounted on the electric vehicle.

15. The control assembly according to claim 14 , wherein the fixing base comprises an upper fixing base and a lower fixing base, the cross-bar part is clamped by the upper fixing base and the lower fixing base.

16. The control assembly according to claim 14 , further comprising a forward and backward button for switching electric vehicle forward and rearward.

17. The control assembly according to claim 14 , further comprising a speed-control knob for adjusting the moving speed of the electric vehicle.

18. The control assembly according to claim 14 , wherein the control panel comprises a power display to show the power of a power supply assembly.

19. The control assembly according to claim 18 , wherein the power display is a LED light.

20. An electric cart, comprising:
a main body;
a traveling wheel mounted on the main body;
a hub motor arranged on the traveling wheel;
a handle mounted on the main body;
a control assembly mounted on the handle, the control assembly including an operating handle assembly for operating the hub motor and a brake handle assembly for braking the hub motor; and
a controller electrically connected to the control assembly and the hub motor, the controller controlling the hub motor based on signal from the control assembly,
wherein the operating handle assembly is arranged below or under the handle and the brake handle assembly is arranged in front of or directly in front of the handle.

Assignees

• Greenworks Jiangsu Co Ltd

Inventors

• Wang Yu
• Xiao Yu
• Feng Shouchuan
• Liu Zhibing
• Jiao Wanchun

Classifications

• B62B5/004 Primary

  in wheels · CPC title

• B62B3/005

  Details of storage means, e.g. drawers, bins or racks · CPC title

• B62B5/0006

  Bumpers; Safety devices · CPC title

• B62B2203/05

  Rocking means for facilitating tilting of the cart, e.g. by loading · CPC title

• B62B3/1476

  the main load support being a platform · CPC title