Electric all-terrain vehicle and control method of vehicle braking

Patent metadata

Field	Value
Publication number	US-2024123806-A1
Application number	US-202318533154-A
Country	US
Kind code	A1
Filing date	Dec 7, 2023
Priority date	Jun 11, 2021
Publication date	Apr 18, 2024
Grant date	—

Abstract

The electric all-terrain vehicle includes a vehicle frame, a motor, a gearbox, a cargo compartment, a battery pack, a handle assembly and a walking wheel. The motor is arranged on the vehicle frame and located at a rear end of the vehicle frame. The gearbox is arranged on the vehicle frame and located on a first side of the motor, and the gearbox is connected with the motor. The cargo compartment is arranged on the vehicle frame and located above the motor and the gearbox. The battery pack is mounted on a bracket to provide power for the electric all-terrain vehicle. The handle assembly is arranged on the cargo compartment and allows an adjustment of the handle assembly to lock or unlock the cargo compartment from the vehicle frame. The walking wheel is arranged on the vehicle frame and includes a rear wheel connected with the gearbox.

First claim

What is claimed is:

1 . An electric all-terrain vehicle, comprising:
a vehicle frame; a motor, arranged on the vehicle frame and located at a rear end of the vehicle frame; a gearbox, arranged on the vehicle frame, located on a first side of the motor and connected with the motor; a cargo compartment, arranged on the vehicle frame and located above the motor and the gearbox; a battery pack, mounted on the vehicle frame to provide power to the electric all-terrain vehicle; a handle assembly, arranged on the cargo compartment and being adjustable to lock or unlock the cargo compartment from the vehicle frame; and a walking wheel, arranged on the vehicle frame and comprising a rear wheel, and the gearbox being connected with the rear wheel.

2 . The electric all-terrain vehicle according to claim 1 , wherein the vehicle frame comprises:
a bottom assembly, and a upper assembly, arranged on the bottom assembly, and the upper assembly and the bottom assembly forming an accommodation space.

3 . The electric all-terrain vehicle according to claim 2 , wherein
the vehicle frame further comprises a front assembly arranged on the bottom assembly, and the front assembly is located at a front end of the upper assembly.

4 . The electric all-terrain vehicle according to claim 2 , wherein the bottom assembly comprises:
two longitudinal beams arranged in parallel; a plurality of side beams, respectively arranged on the two longitudinal beams, the side beams being perpendicular to the longitudinal beams and extending to an outside of the accommodation space; a front bumper bracket, arranged at a first end of the longitudinal beams and connecting the two longitudinal beams; and a rear tow hook bracket, arranged at a second end of the longitudinal beams and connecting the two longitudinal beams.

5 . The electric all-terrain vehicle according to claim 4 , wherein the bottom assembly further comprises:
a first connecting beam and a second connecting beam, arranged in parallel between the two longitudinal beams; and a connecting arm, two ends of the connecting arm being respectively connected with the intermediate cross beams.

6 . The electric all-terrain vehicle according to claim 2 , wherein the upper assembly comprises:
a seat bucket frame, arranged on the vehicle frame and parallel to the bottom assembly; and a seat cushion mounting bracket, arranged on the seat bucket frame and comprising a rubber cushion therein.

7 . The electric all-terrain vehicle according to claim 6 , further comprising a seat, wherein
the seat is arranged on the seat bucket frame, the seat comprises a seat cushion, a bottom of the seat cushion comprises a seat cushion fixing column, and the seat cushion fixing column is arranged in the seat cushion mounting bracket and pass through the rubber cushion.

8 . The electric all-terrain vehicle according to claim 1 , wherein
a first distance is formed between a center of gravity of the battery pack and a front end of the electric all-terrain vehicle, and a range of the first distance is one-third to one-half of a length of the electric all-terrain vehicle.

9 . The electric all-terrain vehicle according to claim 8 , wherein
the battery pack is provided with a plurality of heating patches, and the heating patches are located on a side wall and a top of the battery pack.

10 . The electric all-terrain vehicle according to claim 8 , further comprising a controller, wherein
the controller is mounted on the vehicle frame and located at a first side of the battery pack.

11 . The electric all-terrain vehicle according to claim 1 , wherein
the cargo compartment is turnably connected with the vehicle frame, and a ratio of a distance between a turning center of the cargo compartment and a rear end of the cargo compartment to a length of the cargo compartment is from 0.25 to 0.45.

12 . The electric all-terrain vehicle according to claim 1 , wherein
the cargo compartment comprises a cargo compartment frame and a bottom plate, the bottom plate is arranged on the cargo compartment frame, a lifting bracket is arranged on the cargo compartment frame, and at least one inner hook is arranged on a surface of the bottom plate away from the cargo compartment frame.

13 . The electric all-terrain vehicle according to claim 12 , wherein
the vehicle frame is provided with an automatic lifting structure, and a first end of the automatic lifting structure is arranged on the vehicle frame, and a second end of the automatic lifting structure is arranged on the lifting bracket.

14 . The electric all-terrain vehicle according to claim 1 , wherein
the motor comprises: a motor body; an upper connecting plate, arranged on the motor body; and a rear connecting plate, arranged on the motor body and opposite to the upper connecting plate.

15 . The electric all-terrain vehicle according to claim 14 , wherein
the rear connecting plate is connected with the gearbox.

16 . The electric all-terrain vehicle according to claim 1 , wherein
an output shaft of the motor extends into the gearbox.

17 . The electric all-terrain vehicle according to claim 1 , further comprising:
a casing, arranged on the vehicle frame; a front casing, arranged on the vehicle frame and located at a front end of the casing, and the front casing being connected with the casing through a rotating assembly; a first limiting plate, connected with the vehicle frame and comprising a groove; and an elastic bracket, a first end of the elastic bracket being arranged on the front casing, and a second end of the elastic bracket being matched with the groove.

18 . The electric all-terrain vehicle according to claim 2 , wherein the battery pack is arranged in the accommodation space.

19 . The electric all-terrain vehicle according to claim 18 , wherein
the bottom assembly comprises two longitudinal beams arranged in parallel, the vehicle frame further comprises a battery supporting beam arranged on the longitudinal beams, a width of the battery supporting beam is greater than a width between two longitudinal beams.

20 . The electric all-terrain vehicle according to claim 18 , wherein
the battery supporting beam is provided with a first battery pack bracket and a second battery pack.

Assignees

• Greenworks Jiangsu Co Ltd

Inventors

• Wei Qunli
• Zhu Fei
• Xue Jiafu
• Ding Mi
• Ding Shiyuan
• Wu Baogui
• Xu Yueyue

Classifications

• B60L50/66

  Arrangements of batteries · CPC title

• B60K1/00 Primary

  Arrangement or mounting of electrical propulsion units (B60K7/00 takes precedence; arrangement or mounting of plural diverse prime-movers for mutual or common propulsion B60K6/00) · CPC title

• B60K2001/0411

  Arrangement in the front part of the vehicle · CPC title

• B60K2007/0038

  the motor moving together with the wheel axle · CPC title

• B60K7/0007

  the motor being electric · CPC title