Drive-wheel suspension mechanism for smart movable device and smart movable device
AssigneeJiangsu Midea Cleaning Appliances Co., Ltd.
InventorsXianmin WEI, Xiaogang XUAN
Life of this patent
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Abstract
A drive-wheel suspension mechanism for a smart movable device and a smart movable device, include a drive wheel bracket, a gearbox and a resilient reset member. The drive wheel bracket is provided with at least one set of sliding slot assembly arranged oppositely. The sliding slot assembly includes two first sliding slots arranged opposite to each other, and the first sliding slot extends rearward and an included angle between the first sliding slot and a horizontal plane is greater than or equal to 0 degree.
Claims17
A drive-wheel suspension mechanism for a smart movable device, the drive-wheel suspension system comprising a drive wheel, a drive wheel bracket, a gearbox and a resilient reset member, wherein
- the drive wheel is arranged partially within the drivel wheel bracket;
- the drive wheel bracket is provided with a first sliding slot assembly arranged at a lower end of the gear box and a second sliding slot assembly arranged at an upper end of the gear box, wherein the first sliding slot assembly comprises a first down sliding slot and an first upper sliding slot, and the second sliding slot assembly comprises a second down sliding slot and an second upper sliding slot, wherein the drive wheel is mounted to an axle disposed at the lower end of the gear box, and the axle is configured to slide in the first sliding slot assembly;
- the gearbox is located in the drive wheel bracket, and is provided with at least one sliding shaft configured to slide within second sliding slot assembly;
- and
- the resilient reset member has a first end fixed to the gearbox and a second end fixed to the drive wheel bracket;
- and, wherein
- when the drive wheel is rotating on a flat surface, the axle is located at a juncture of the down and upper sliding slots of the first sliding slot assembly, the shaft is located at a juncture of the down and upper sliding slots of the second sliding slot assembly, and the resilient reset member is in a non-elastic position;
- and
- when the drive wheel encounters an obstacle, the axle slides towards the upper sliding slot of the first sliding slot assembly, the shaft slides towards the upper sliding slot of the first slot assembly, and the resilient reset member stretches into an elastic position.
A smart movable device, comprising a main frame and a drive-wheel suspension mechanism connected to the main frame, the drive-wheel suspension system comprising a drive wheel, a drive wheel bracket, a gearbox and a resilient reset member, wherein
- the drive wheel is arranged partially within the drivel wheel bracket;
- the drive wheel bracket is provided with a first sliding slot assembly arranged at a lower end of the gear box and a second sliding slot assembly arranged at an upper end of the gear box, wherein the first sliding slot assembly comprises a first down sliding slot and an first upper sliding slot, and the second sliding slot assembly comprises a second down sliding slot and an second upper sliding slot, wherein the drive wheel is mounted to an axle disposed at the lower end of the gear box, and the axle is configured to slide in the first sliding slot assembly;
- the gearbox is located in the drive wheel bracket, and is provided with at least one sliding shaft configured to slide within second sliding slot assembly;
- and
- the resilient reset member has a first end fixed to the gearbox and a second end fixed to the drive wheel bracket;
- and, wherein
- when the drive wheel is rotating on a flat surface, the axle is located at a juncture of the down and upper sliding slots of the first sliding slot assembly, the shaft is located at a juncture of the down and upper sliding slots of the second sliding slot assembly, and the resilient reset member is in a non-elastic position;
- and
- when the drive wheel encounters an obstacle, the axle slides towards the upper sliding slot of the first sliding slot assembly, the shaft slides towards the upper sliding slot of the first slot assembly, and the resilient reset member stretches into an elastic position.
A smart movable device, comprising a main frame and a drive-wheel suspension mechanism connected to the main frame, the drive-wheel suspension mechanism comprising a drive wheel, a drive wheel bracket, a gearbox and a resilient reset member, wherein
- the drive wheel is arranged partially within the drivel wheel bracket;
- the drive wheel bracket is provided with a first sliding slot assembly arranged at a lower end of the gear box and a second sliding slot assembly arranged at an upper end of the gear box wherein the first sliding slot assembly comprises a first down sliding slot and a first upper sliding slot, and the second sliding slot assembly comprises a second down sliding slot and a second upper sliding slot, the first down sliding slot communicating with the first upper sliding slot, the second down sliding slot communicating with the second upper sliding slot;
- the gearbox is located in the drive wheel bracket, and is provided with at least one sliding shaft configured to slide within second sliding slot assembly;
- and
- the resilient reset member has a first end fixed to the gearbox and a second end fixed to the drive wheel bracket.
Dependencies are inferred from the claim text.