Pure electric vehicle and lifting chassis structure thereof
View Patent ↗A lifting chassis structure for a pure electric vehicle includes a chassis body, a movable front suspension, a movable rear suspension, two front lifting devices, and one or more rear lifting devices. A front subframe and a rear subframe are configured to be respectively driven by the two front lifting devices and the one or more rear lifting devices, so as to be lifted up and down respectively relative to the movable front suspension and the movable rear suspension. The movable front suspension includes two shock absorber assemblies connected to a steering assembly. The two front lifting devices are arranged in a splayed pattern. The two front lifting devices respectively correspond to the two shock absorber assemblies, and each of the two front lifting devices is parallel to an adjacent one of the two shock absorber assemblies.
1 . A lifting chassis structure for a pure electric vehicle, comprising:
a chassis body,
a movable front suspension,
a movable rear suspension,
a first front lifting device,
a second front lifting device, and
a first rear lifting device, wherein:
the chassis body comprises a front subframe and a rear subframe,
the first front lifting devices and the second front lifting device are connected to the movable front suspension and the front subframe,
the first rear lifting devices is connected to the movable rear suspension and the rear subframe,
the front subframe and the rear subframe are configured to be respectively driven by the first front lifting device and the first rear lifting device, so as to be lifted up and down respectively relative to the movable front suspension and the movable rear suspension, so that the chassis body is lifted up and down in a height direction,
movements of the first front lifting device and the second front lifting device are synchronous,
the movable front suspension comprises a shock absorber assembly and a steering assembly,
the shock absorber assembly is connected to the steering assembly,
the first front lifting device and the second front lifting device are arranged in a splayed pattern,
the first front lifting device corresponds to the shock absorber assembly,
the first front lifting device is parallel to the shock absorber assembly,
the front subframe comprises a space for placing the movable front suspension,
the movable front suspension comprises a first mounting frame configured to be connected to the steering assembly and a second mounting frame configured to be connected to the first front lifting device and the second front lifting device,
the first mounting frame is connected to the second mounting frame,
the front subframe comprises an impact protection assembly,
when the front subframe is lifted up or down, the impact protection assembly cooperates with the first mounting frame,
the first front lifting device comprises a front electric push rod,
the front subframe comprises an upper mounting seat,
the second mounting frame comprises a lower mounting seat and a shock absorber mounting seat,
two ends of the front electric push rod are respectively pivotally connected to the upper mounting seat and the lower mounting seat,
one end of the front electric push rod that is pivotally connected to the upper mounting seat is a lifting end,
two ends of the shock absorber assembly are respectively pivotally connected to the shock absorber mounting seat and the steering assembly, and
the shock absorber mounting seat is arranged adjacent to the upper mounting seat in the height direction.
2 . The lifting chassis structure for the pure electric vehicle according to claim 1 , wherein:
the impact protection assembly comprises an upper bumper and a lower bumper, which are spaced apart in the height direction,
when the front subframe is lifted up to a highest position, the lower bumper contacts a bottom of the first mounting frame, and
when the front subframe is lifted down to a lowest position, the upper bumper contacts a top of the first mounting frame.
3 . A pure electric vehicle, comprising:
the lifting chassis structure for the pure electric vehicle according to claim 2 , wherein:
the pure electric vehicle is a golf cart, a sightseeing tour bus, a shared electric vehicle, or a passenger electric vehicle.
4 . The lifting chassis structure for the pure electric vehicle according to claim 2 , wherein:
the upper bumper and the lower bumper are rubber pads.
5 . A pure electric vehicle, comprising:
the lifting chassis structure for the pure electric vehicle according to claim 4 , wherein:
the pure electric vehicle is a golf cart, a sightseeing tour bus, a shared electric vehicle, or a passenger electric vehicle.
6 . The lifting chassis structure for the pure electric vehicle according to claim 1 , wherein:
the movable rear suspension comprises a first shock absorber and a second shock absorber,
the first shock absorber is connected to a first motor drive mechanism connected to a first rear wheel,
the second shock absorber is connected to a second motor drive mechanism connected to a second rear wheel,
the lifting chassis structure comprises a second rear lifting device,
the first rear lifting device corresponds to the first shock absorber, and
the second rear lifting device corresponds to the second shock absorber.
7 . A pure electric vehicle, comprising:
the lifting chassis structure for the pure electric vehicle according to claim 6 , wherein:
the pure electric vehicle is a golf cart, a sightseeing tour bus, a shared electric vehicle, or a passenger electric vehicle.
8 . The lifting chassis structure for the pure electric vehicle according to claim 6 , wherein:
the movable rear suspension comprises a lower mounting transverse rod,
the rear subframe comprises an upper mounting transverse rod,
each of the first rear lifting device and the second rear lifting device comprises a rear electric push rod,
a first end of the rear electric push rod of the first rear lifting device is a lifting end and is pivotally connected to the upper mounting transverse rod,
a first end of the rear electric push rod of the second rear lifting device is a lifting end and is pivotally connected to the upper mounting transverse rod,
a second end of the rear electric push rod of the first rear lifting device is pivotally connected to the lower mounting transverse rod, and
a second end of the rear electric push rod of the second rear lifting device is pivotally connected to the lower mounting transverse rod.
9 . A pure electric vehicle, comprising:
the lifting chassis structure for the pure electric vehicle according to claim 8 , wherein:
the pure electric vehicle is a golf cart, a sightseeing tour bus, a shared electric vehicle, or a passenger electric vehicle.
10 . The lifting chassis structure for the pure electric vehicle according to claim 1 , wherein:
the rear subframe covers an upper portion of the movable rear suspension,
a first side of the rear subframe in a width direction of the rear subframe is disposed with a first supporting rod,
a second side of the rear subframe in the width direction of the rear subframe is disposed with a second supporting rod,
a first side of the movable rear suspension in the width direction of the rear subframe is disposed with a third supporting rod,
a second side of the movable rear suspension in the width direction of the rear subframe is disposed with a fourth supporting rod,
the first supporting rods is disposed above the third supporting rod,
the second supporting rod is disposed above the fourth supporting rod,
a first rubber impact protection pad is disposed on an upper surface of the third supporting rod,
a second rubber impact protection pad is disposed on an upper surface of the fourth supporting rod, and
when the rear subframe is lifted down to a lowest position, the first rubber impact protection pad contacts the first supporting rod and the second rubber impact protection pad contacts the second supporting rod.
11 . A pure electric vehicle, comprising:
the lifting chassis structure for the pure electric vehicle according to claim 10 , wherein:
the pure electric vehicle is a golf cart, a sightseeing tour bus, a shared electric vehicle, or a passenger electric vehicle.
12 . The lifting chassis structure for the pure electric vehicle according to claim 10 , wherein:
the rear subframe comprises a storage rack,
the storage rack is disposed between the third supporting rod and the fourth second supporting rod in the width direction of the rear subframe,
a first nylon pad is disposed on a side of the third second supporting rod facing the storage rack,
a second nylon pad is disposed on a side of the fourth supporting rod facing the storage rack,
a first side of the storage rack in the width direction of the rear subframe is disposed with a fifth supporting rod,
a second side of the storage rack in the width direction of the rear subframe is disposed with a sixth supporting rod,
the first nylon pad frictionally cooperates with the fifth supporting rod, and
the second nylon pad frictionally cooperates with the sixth supporting rod.
13 . A pure electric vehicle, comprising:
the lifting chassis structure for the pure electric vehicle according to claim 12 , wherein:
the pure electric vehicle is a golf cart, a sightseeing tour bus, a shared electric vehicle, or a passenger electric vehicle.
14 . A pure electric vehicle, comprising:
the lifting chassis structure for the pure electric vehicle according to claim 1 , wherein:
the pure electric vehicle is a golf cart, a sightseeing tour bus, a shared electric vehicle, or a passenger electric vehicle.
15 . A lifting chassis structure for a pure electric vehicle, comprising:
a chassis body,
a movable front suspension,
a movable rear suspension,
a first front lifting device,
a second front lifting device, and
a rear lifting device, wherein:
the chassis body comprises a front subframe and a rear subframe,
the first front lifting device and the second front lifting device are connected to the movable front suspension and the front subframe,
the rear lifting device is connected to the movable rear suspension and the rear subframe,
the front subframe and the rear subframe are configured to be respectively driven by the first front lifting device and the rear lifting device, so as to be lifted up and down respectively relative to the movable front suspension and the movable rear suspension, so that the chassis body is lifted up and down in a height direction,
movements of the first front lifting device and the second front lifting device are synchronous,
the movable front suspension comprises a shock absorber assembly and a steering assembly,
the shock absorber assembly is connected to the steering assembly,
the first front lifting device and the second front lifting device are arranged in a splayed pattern,
the first front lifting device corresponds to the shock absorber assembly,
the first front lifting device is parallel to the shock absorber assembly,
the movable rear suspension comprises a first shock absorber and a second shock absorber,
the first shock absorber is connected to a first motor drive mechanism connected to a first rear wheel,
the second shock absorber is connected to a second motor drive mechanism connected to a second rear wheel,
the rear lifting device comprises a first rear lifting device and a second rear lifting device,
the first rear lifting device corresponds to the first shock absorber,
the second rear lifting device corresponds to the second shock absorber,
the movable rear suspension comprises a lower mounting transverse rod,
the rear subframe comprises an upper mounting transverse rod,
the first rear lifting device comprises a rear electric push rod,
a first end of the rear electric push rod of the first rear lifting device is a lifting end and is pivotally connected to the upper mounting transverse rod, and
a second end of the rear electric push rod of the first rear lifting device is pivotally connected to the lower mounting transverse rod.
16 . A lifting chassis structure for a pure electric vehicle, comprising:
a chassis body,
a movable front suspension,
a movable rear suspension,
a first front lifting device,
a second front lifting device, and
a rear lifting device, wherein:
the chassis body comprises a front subframe and a rear subframe,
the first front lifting device and the second front lifting device are connected to the movable front suspension and the front subframe,
the rear lifting device is connected to the movable rear suspension and the rear subframe,
the front subframe and the rear subframe are configured to be respectively driven by the first front lifting device and the rear lifting device, so as to be lifted up and down respectively relative to the movable front suspension and the movable rear suspension, so that the chassis body is lifted up and down in a height direction,
movements of the first front lifting device and the second front lifting device are synchronous,
the movable front suspension comprises a shock absorber assembly and a steering assembly,
the shock absorber assembly is connected to the steering assembly,
the first front lifting device and the second front lifting device are arranged in a splayed pattern,
the first front lifting device corresponds to the shock absorber assembly,
the first front lifting device is parallel to the shock absorber assembly,
the front subframe comprises a space for placing the movable front suspension,
the movable front suspension comprises a first mounting frame configured to be connected to the steering assembly and a second mounting frame configured to be connected to the first front lifting device and the second front lifting device,
the first mounting frame is connected to the second mounting frame,
the front subframe comprises an impact protection assembly,
the impact protection assembly comprises an upper bumper and a lower bumper, which are spaced apart in the height direction,
when the front subframe is lifted up or down, the impact protection assembly cooperates with the first mounting frame,
when the front subframe is lifted up to a highest position, the lower bumper contacts a bottom of the first mounting frame, and
when the front subframe is lifted down to a lowest position, the upper bumper contacts a top of the first mounting frame.