CN112297823A

CN112297823A - Rear driving wheel of electric drive type electric automobile

Info

Publication number: CN112297823A
Application number: CN202011158414.9A
Authority: CN
Inventors: 陈惠萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-02-02

Abstract

The invention discloses an electrically-driven type electric automobile rear driving wheel, which structurally comprises a rear arch frame, a movable bent rod, a movable cross frame, a cable, a rear driving wheel, a rear axle cross frame and a central spring, and has the following effects: rear drive wheel is all installed to rear axle crossbearer both sides, and rear axle crossbearer and back bow member, activity knee and activity crossbearer and central spring coupling form damping rear suspension, and back bow member fixed mounting is on vehicle chassis, because the back drive wheel passes through driving motor independent drive, and at the back drive wheel forming independent damping structure and heat radiation structure, can keep driving motor's stability and radiating effect at back drive wheel gyration in-process, effectively avoid back drive wheel tire and road surface contact in the gyration, the high frequency vibration transmission that drives comes to driving motor, thereby improve driving motor's high stability work efficiency.

Description

Rear driving wheel of electric drive type electric automobile

Technical Field

The invention relates to the field of electric automobile driving wheels, in particular to an electric-driven electric automobile rear driving wheel.

Background

The driving mode of the electric automobile refers to the arrangement mode of the electric motor and the number and position of the driving wheels, the most basic classification standard is that according to the number of the driving wheels, the electric automobile can be divided into two-wheel driving and four-wheel driving, the general automobile has two rows of wheels, wherein, the wheel directly driven by the electric motor rotates, thus the wheel pushing the automobile to move forwards is the driving wheel, the torque of the electric wheel driving automobile can be controlled independently, the driving force of the left and the right steering wheels can not be equal when turning, the torque of the driving force to the axis of the kingpin can not be offset mutually, namely the driving steering torque is not zero, because the two steering wheels are connected by the steering trapezoids, the driving steering torque can drive the two steering wheels to steer, the electric wheel directly installs the hub motor on the hub, the hub is driven by the independent motor of the hub, so that the electric automobile runs, when an automobile runs, a hub needs to bear high-frequency vibration brought by a road surface, and a hub motor is easy to damage and generate heat under the high-frequency vibration, so that the rear driving wheel of the electrically-driven electric automobile needs to be developed, and the problems that the hub needs to bear the high-frequency vibration brought by the road surface and the hub motor is easy to damage and generate heat under the high-frequency vibration when the automobile runs are solved.

Summary of the invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides an electrically drive formula electric automobile rear drive wheel, its structure includes back bow member, activity knee, activity crossbearer, cable, back drive wheel, rear axle crossbearer, central spring, rear axle crossbearer top range have central spring, rear axle crossbearer top be equipped with the activity crossbearer, activity crossbearer and rear axle crossbearer be parallel to each other, central spring about both ends fix on activity crossbearer and rear axle crossbearer, activity crossbearer top central point put and be equipped with the back bow member, the back bow member vertical welding on the activity crossbearer, back bow member both sides be equipped with all activity knee, activity crossbearer and activity knee adopt sliding fit, activity knee and rear axle crossbearer fixed connection, activity knee and rear axle adopt sliding fit, activity crossbearer both sides be equipped with two cables, cable and back drive wheel cooperate, two rear driving wheels are arranged on two sides of the rear axle transverse frame in an axisymmetric structure and are mounted on the rear axle transverse frame.

As a further optimization of the technical proposal, the rear driving wheel comprises a slewing bearing, a heat dissipation mechanism, a tire fixing ring, a tire, a vibration reduction slewing mechanism, a liquid flow mechanism and a driving motor, the front end of the vibration reduction swing mechanism is provided with a heat dissipation mechanism which is matched with the vibration reduction swing mechanism, the rear end of the vibration reduction swing mechanism is provided with a liquid flow mechanism which is matched with the heat dissipation mechanism, the liquid flow mechanism is internally provided with a driving motor which is arranged on the liquid flow mechanism, the outer ring of the vibration-damping slewing mechanism is provided with a tire fixing ring which is connected with the vibration-damping slewing mechanism, the tire fixing ring is provided with a tire, the tire and the tire fixing ring are matched, the front end of the driving motor is provided with a slewing bearing, and the slewing bearing is arranged on a vibration reduction slewing mechanism.

As the further optimization of this technical scheme, heat dissipation mechanism including ripple ring account, lead to structure, guide vane, ripple branch pipe, drive shaft, lead to structure central point and put and be equipped with the drive shaft, the drive shaft with lead to the structure and cooperate, lead to the structure front end and be equipped with guide vane, guide vane with lead to the structural connection, lead to and be equipped with ripple ring account on the structure outer lane, ripple ring account with lead to structure fixed connection, ripple ring account on be equipped with ripple branch pipe, ripple branch pipe install lead to structural and be connected with ripple ring account.

As the further optimization of this technical scheme, the structure of leading to including fluid backward flow inner cover, oil tank, pendulum rod, pendulum, the inside central point of oil tank put and be equipped with the pendulum rod, the pendulum rod both ends all be equipped with the pendulum rod, pendulum rod and pendulum rod fixed connection, the pendulum rod pass through pendulum rod and oil tank and adopt sliding fit, the pendulum rod about both ends all be equipped with fluid backward flow inner cover, fluid backward flow inner cover cooperate with the oil tank.

As a further optimization of the technical scheme, the vibration reduction rotation mechanism comprises a connecting plate, a vibration reduction spring, a movable vertical plate, a sliding sleeve and a hub ring, the hub ring is provided with the sliding sleeve, the sliding sleeve is fixedly connected with the hub ring, the sliding sleeve is provided with the movable vertical plate, the movable vertical plate and the sliding sleeve are in sliding fit, the bottom of the movable vertical plate is provided with the connecting plate, the connecting plate and the movable vertical plate are of an integrated structure, the top of the connecting plate is provided with the vibration reduction spring, and the upper end and the lower end of the vibration reduction spring are fixed on the hub ring and the connecting plate.

As the further optimization of this technical scheme, liquid flow mechanism including dead lever, arc board, fixed block, broad width pole setting, liquid flow heat absorption structure, the pole setting about both ends be equipped with the dead lever, dead lever and pole setting structure as an organic whole, the pole setting front end be equipped with liquid flow heat absorption structure, liquid flow heat absorption structure fix in the pole setting, liquid flow heat absorption structure about both ends be equipped with the arc board, arc board and pole setting weld mutually, and the arc board cooperatees with liquid flow heat absorption structure, pole setting central point put the hoop equidistance and be equipped with four fixed blocks, fixed block and pole setting connect.

As the further optimization of this technical scheme, liquid flow heat-absorbing structure including guard shield, back violently liquid pipe, found the liquid pipe locate the pole setting front end and the two is connected, the pole setting about both ends be the axisymmetric structure and be equipped with two guard shields, the guard shield rear end be equipped with back violently liquid pipe, back violently liquid pipe and guard shield connect, the guard shield pass through back violently liquid pipe and stand the liquid union coupling, the guard shield set up on the driving motor outer wall to the front end is connected with fluid backward flow inner cover.

Advantageous effects

The rear driving wheel of the electrically-driven electric automobile is reasonable in design and strong in functionality, and has the following beneficial effects:

according to the invention, the rear driving wheels are arranged on two sides of the rear axle transverse frame, the rear axle transverse frame is connected with the rear arch frame, the movable bent rod, the movable transverse frame and the central spring to form a vibration-damping rear suspension, and the rear arch frame is fixedly arranged on the automobile chassis;

the invention relates to a wide vertical rod and a rear axle cross frame which are fixedly connected, the wide vertical rod is connected with two fixed rods arranged at the upper end and the lower end to form a forming structure, and a driving motor is horizontally limited and fixed under a four-block fixed block structure arranged in the circumferential direction, because the driving motor is connected with an oil tank with a circular structure through a driving shaft, and the oil tank is in sliding fit with a hub ring through a connecting plate and a movable vertical plate in sequence, the rotary torque generated by the driving motor is transmitted to the hub ring to enable the hub ring to drive tires to rotate, because the connecting plate and the movable vertical plate are connected to form an L-shaped structure, the movable vertical plate is provided with four blocks in the circumferential direction at equal intervals and is arranged at one side of the tires, a damping spring is arranged between the connecting plate and the hub ring, the vibration generated by the road surface and the tires is absorbed by the damping spring during, The damping spring, the movable vertical plate and the sliding sleeve are connected to form an independent damping structure, the hub ring is transmitted with rotary kinetic energy through the movable structure formed by the connecting plate and the movable vertical plate, the driving motor is always kept horizontally in rotation under the matching of the central spring and the damping spring, the vibration frequency of the driving motor is reduced, and therefore the working efficiency and the stability of the driving motor are improved;

the invention is provided with two shields which are in an axisymmetric structure and are arranged at the upper end and the lower end of a vertical liquid pipe to form a U-shaped structure, the shields are fixed on the outer wall of a driving motor in an arc structure, the front ends of the shields are connected with an oil liquid return inner cover, because an oil tank rotates along with a hub ring, a swing rod is arranged at the center position in the oil tank, two ends of the swing rod are provided with pendulums, the width formed by the swing rods is the same as the width of an inner cavity of the oil tank, because half of oil liquid is filled in the oil tank, the pendulum rod is driven by the pendulum rod to rotate in the oil tank during the rotation of the oil tank, the oil liquid in the oil tank is guided, the oil liquid in the oil tank is enabled to circulate back and forth in a liquid flow channel formed by the oil tank, the oil liquid return inner cover, the shields and the vertical liquid pipe, the heat, the guide vanes rotate, and a cyclone rotating in the same direction as the hub ring is formed around the oil tank, so that the heat dissipation efficiency of the driving motor is greatly improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a rear drive wheel of an electric drive vehicle according to the present invention;

FIG. 2 is a side view, cross-sectional, schematic view of the rear drive wheel of the present invention;

FIG. 3 is a front view of the heat dissipation mechanism of the present invention;

FIG. 4 is a front cross-sectional structural view of a lead structure of the present invention;

FIG. 5 is a front sectional view of the vibration damping revolving mechanism of the present invention;

FIG. 6 is a schematic sectional front view of the fluid flow mechanism of the present invention;

fig. 7 is a front sectional view of the liquid flow heat absorbing structure of the present invention.

In the figure: the device comprises a rear arch centering (1), a movable bent rod (2), a movable cross frame (3), a cable (4), a rear driving wheel (5), a slewing bearing (5a), a heat dissipation mechanism (5b), a corrugated ring net (5b1), a guide structure (5b2), an oil backflow inner cover (5b21), an oil tank (5b22), a swing rod (5b23), a pendulum bob (5b24), a drainage vane (5b3), a corrugated branch pipe (5b4), a driving shaft (5b5), a tire fixing ring (5c), a tire (5d), a vibration reduction slewing mechanism (5e), a connecting plate (5e1), a vibration reduction spring (5e2), a movable vertical plate (5e2), a sliding sleeve (5e4), a wheel hub ring (5e5), a liquid flow mechanism (5f), a fixing rod (5f1), an arc plate (5f2), a wide fixing block (5f4), a liquid flow heat absorption vertical block (5f4), a liquid flow protection structure (5f5), a liquid flow 73729), The rear transverse liquid pipe (5f52), the vertical liquid pipe (5f53), a driving motor (5g), a rear axle transverse frame (6) and a central spring (7).

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-5, the present invention provides an embodiment of a rear driving wheel of an electric-driven vehicle:

referring to fig. 1, an electrically driven rear driving wheel for an electric vehicle structurally comprises a rear arch frame (1), a movable bent rod (2), a movable cross frame (3), a cable (4), a rear driving wheel (5), a rear axle cross frame (6) and a central spring (7), wherein the top of the rear axle cross frame (6) is provided with three central springs (7) in parallel arrangement, the movable cross frame (3) is arranged above the rear axle cross frame (6), the movable cross frame (3) and the rear axle cross frame (6) are parallel to each other, the upper end and the lower end of the central spring (7) are fixed on the movable cross frame (3) and the rear axle cross frame (6), the rear arch frame (1) is arranged at the center of the top of the movable cross frame (3), the rear arch frame (1) is vertically welded on the movable cross frame (3), two movable bent rods (2) are arranged on two sides of the rear arch frame (1) in an axial symmetry structure, activity knee (2) be L shape structure and perpendicular one end sets up on activity crossbearer (3) and rear axle crossbearer (6), activity crossbearer (3) and activity knee (2) adopt sliding fit, activity knee (2) and rear axle crossbearer (6) fixed connection, activity knee (2) horizontal one end and rear arch (1) adopt sliding fit, activity crossbearer (3) both sides be equipped with two cables (4), cable (4) and rear drive wheel (5) cooperate, cable (4) and driving motor (5g) connect, rear axle crossbearer (6) both sides be the axisymmetric structure and be equipped with two rear drive wheel (5), rear drive wheel (5) install on rear axle crossbearer (6).

Referring to fig. 2, the rear driving wheel (5) includes a rotary support (5a), a heat dissipation mechanism (5b), a tire fixing ring (5c), a tire (5d), a vibration reduction rotary mechanism (5e), a fluid flow mechanism (5f), and a driving motor (5g), the front end of the vibration reduction rotary mechanism (5e) is provided with the heat dissipation mechanism (5b), the heat dissipation mechanism (5b) is matched with the vibration reduction rotary mechanism (5e), the rear end of the vibration reduction rotary mechanism (5e) is provided with the fluid flow mechanism (5f), the fluid flow mechanism (5f) is matched with the heat dissipation mechanism (5b), the driving motor (5g) is arranged in the fluid flow mechanism (5f), the driving motor (5g) is installed on the fluid flow mechanism (5f), the outer ring of the vibration reduction rotary mechanism (5e) is provided with the tire fixing ring (5c), the tire fixing ring (5c) is connected with the vibration reduction swing mechanism (5e), the tire fixing ring (5c) is provided with a tire (5d), the tire (5d) is matched with the tire fixing ring (5c), the front end of the driving motor (5g) is provided with a swing support (5a), and the swing support (5a) is installed on the vibration reduction swing mechanism (5 e).

Referring to fig. 3, the heat dissipation mechanism (5b) includes a corrugated ring net (5b1), a guiding structure (5b2), a guide vane (5b3), corrugated branch pipes (5b4) and a driving shaft (5b5), a driving shaft (5b5) is arranged at the center of the guiding structure (5b2), the driving shaft (5b5) is matched with the guiding structure (5b2), the front end of the guiding structure (5b2) is provided with four guide vanes (5b3) at equal intervals, the guide vane (5b3) is connected with the guiding structure (5b2), the outer ring of the guiding structure (5b2) is provided with a corrugated ring net (5b 84), the corrugated ring net (5b1) is fixedly connected with the guiding structure (5b2), the corrugated ring net (5b1) is provided with the corrugated branch pipes (5b4) at equal intervals, the corrugated ring net (5b1) is installed on the corrugated branch pipes (5b 585 b4 b) and connected with the corrugated branch pipes (4 b2), the cross section of the drainage blade (5b3) is of an outer splayed structure and is installed at the front end of an oil tank (5b22), a corrugated ring net (5b1) is arranged between the oil tank (5b22) and a hub ring (5e5), the inner ring of the corrugated ring net (5b1) is installed on the oil tank (5b22), the outer ring of the corrugated ring net (5b1) is installed on the inner ring of the hub ring (5e5), the upper end and the lower end of a corrugated branch pipe (5b4) are fixed on the hub ring (5e5) and the oil tank (5b22) and are matched with the corrugated ring net (5b1), and a driving shaft (5b5) is horizontally arranged on the oil tank (5b22) and is connected with a driving motor (5 g).

Referring to fig. 4, the guiding structure (5b2) includes an inner oil backflow cover (5b21), an oil tank (5b22), a swing rod (5b23) and a pendulum (5b24), the oil tank (5b22) is in a hollow circular structure, the swing rod (5b23) is arranged at the center of the inner portion of the oil tank (5b22), the center of the swing rod (5b23) is connected with the driving shaft (5b5) through a bearing, two pendulum (5b24) are arranged at two ends of the swing rod (5b23) in an axisymmetric structure, the pendulum (5b24) and the swing rod (5b23) are fixedly connected, the swing rod (5b23) is in sliding fit with the oil tank (5b22) through the pendulum (5b24), the width formed by the swing rod (5b23) is the same as the width of the inner cavity of the oil tank (5b22), and two inner oil backflow covers (21) are arranged at the upper and lower ends of the pendulum (5b23) in an axisymmetric structure, the oil liquid return inner cover (5b21) is in a circular arc structure and is matched with the oil tank (5b 22).

Referring to fig. 5, the vibration reduction rotation mechanism (5e) includes a connection plate (5e1), a vibration reduction spring (5e2), a movable vertical plate (5e3), a sliding sleeve (5e4), and a hub ring (5e5), the hub ring (5e5) is disposed inside the tire fixing ring (5c) and connected to the tire fixing ring, the hub ring (5e5) is provided with the sliding sleeve (5e4), the sliding sleeve (5e4) is fixedly connected to the hub ring (5e5), the sliding sleeve (5e4) is provided with the movable vertical plate (5e3), the movable vertical plate (5e3) and the sliding sleeve (5e4) are in sliding fit, the bottom of the movable vertical plate (5e3) is provided with the connection plate (5e1), the connection plate (5e1) and the movable vertical plate (5e3) are integrated, and the connection plate (5e1) and the movable vertical plate (5e3) form an L3, four movable vertical plates (5e3) are arranged at equal intervals in the circumferential direction and are arranged on one side of a tire (5d), two damping springs (5e2) are arranged at the top of the connecting plate (5e1) in parallel and at equal intervals, the upper end and the lower end of each damping spring (5e2) are fixed on the hub ring (5e5) and the connecting plate (5e1), and the connecting plate (5e1) is arranged at the rear end of the oil tank (5b22) and is movably connected with the same.

Example 2

Referring to fig. 1-7, the present invention provides an embodiment of a rear driving wheel of an electric-driven vehicle:

referring to fig. 1, an electrically driven rear driving wheel for an electric vehicle structurally comprises a rear arch frame (1), a movable bent rod (2), a movable cross frame (3), a cable (4), a rear driving wheel (5), a rear axle cross frame (6) and a central spring (7), wherein the top of the rear axle cross frame (6) is provided with three central springs (7) in parallel arrangement, the movable cross frame (3) is arranged above the rear axle cross frame (6), the movable cross frame (3) and the rear axle cross frame (6) are parallel to each other, the upper end and the lower end of the central spring (7) are fixed on the movable cross frame (3) and the rear axle cross frame (6), the rear arch frame (1) is arranged at the center of the top of the movable cross frame (3), the rear arch frame (1) is vertically welded on the movable cross frame (3), two movable bent rods (2) are arranged on two sides of the rear arch frame (1) in an axial symmetry structure, activity knee (2) be L shape structure and perpendicular one end sets up on activity crossbearer (3) and rear axle crossbearer (6), activity crossbearer (3) and activity knee (2) adopt sliding fit, activity knee (2) and rear axle crossbearer (6) fixed connection, activity knee (2) horizontal one end and rear arch (1) adopt sliding fit, activity crossbearer (3) both sides be equipped with two cables (4), cable (4) and rear drive wheel (5) cooperate, rear axle crossbearer (6) both sides be the axisymmetric structure and be equipped with two rear drive wheel (5), rear drive wheel (5) install on rear axle crossbearer (6).

Referring to fig. 6, the liquid flow mechanism (5f) includes a fixing rod (5f1), an arc plate (5f2), a fixing block (5f3), a wide upright rod (5f4), and a liquid flow heat absorption structure (5f5), the upright rod (5f4) is welded to the rear axle cross frame (6), the fixing rod (5f1) is disposed at the upper and lower ends of the upright rod (5f4), the fixing rod (5f1) and the upright rod (5f4) are integrated, the fixing rod (5f1) is provided with two fixing rods and disposed at the upper and lower ends of the upright rod (5f4) to form a U-shaped structure, the U-shaped frame formed by the fixing rod (5f1) and the upright rod (5f4) is fixedly connected to the driving motor (5g) and is connected to the rotary support (5a) disposed at the rear end of the oil tank (5b22), the liquid flow heat absorption structure (5f5) is disposed at the front end of the upright rod (5f4), liquid stream heat absorption structure (5f5) fix on pole setting (5f4), liquid stream heat absorption structure (5f5) about both ends be equipped with arc board (5f2), arc board (5f2) and pole setting (5f4) weld mutually, and arc board (5f2) cooperate with liquid stream heat absorption structure (5f5), pole setting (5f4) central point position hoop equidistance be equipped with four fixed blocks (5f3), fixed block (5f3) and pole setting (5f4) connect, pole setting (5f4) through fixed block (5f3) and driving motor (5g) rear end fixed connection.

Referring to fig. 7, the liquid flow heat absorption structure (5f5) includes a shield (5f51), a rear transverse liquid pipe (5f52) and a vertical liquid pipe (5f53), the vertical liquid pipe (5f53) is arranged at the front end of a vertical rod (5f4) and connected with the vertical liquid pipe, two shields (5f51) are arranged at the upper end and the lower end of the vertical liquid pipe (5f53) in an axisymmetric structure, the rear transverse liquid pipe (5f52) is arranged at the rear end of the shield (5f51), the rear transverse liquid pipe (5f52) is connected with the shield (5f51), the shield (5f51) is connected with the vertical liquid pipe (5f53) through the rear transverse liquid pipe (5f52), the shield (5f51) is arranged on the outer wall of the driving motor (5g) in an arc structure, the front end of the shield (5f51) is connected with the oil liquid return inner cover (5b21), the shield (5f51) is provided with an axisymmetric structure, and two vertical liquid pipes (5f53) are arranged, forming a U-shaped structure.

The specific realization principle is as follows:

rear driving wheels (5) are respectively arranged on two sides of a rear axle transverse frame (6), the rear axle transverse frame (6), a rear arch frame (1), a movable bent rod (2), a movable transverse frame (3) and a central spring (7) are connected to form a vibration-damping rear suspension, the rear arch frame (1) is fixedly arranged on an automobile chassis, the rear driving wheels (5) are independently driven through a driving motor (5g), and the rear driving wheels (5) form an independent vibration-damping structure and a heat-radiating structure, so that the stability and the heat-radiating effect of the driving motor (5g) can be kept in the rotation process of the rear driving wheels (5), the contact between tires (5d) and the road surface in the rotation of the rear driving wheels (5) is effectively avoided, the driven high-frequency vibration is transmitted to the driving motor (5g), the high-stability working efficiency of the driving motor (5g) is improved, and the wide upright rods (5f4) are fixedly connected with the rear axle transverse frame (6), the wide upright stanchion (5f4) is connected with two fixed rods (5f1) arranged at the upper end and the lower end to form a U-shaped structure, the driving motor (5g) is horizontally limited and fixed under the structure of four fixing blocks (5f3) arranged in a ring direction, the driving motor (5g) is connected with an oil tank (5b22) with a circular structure through a driving shaft (5b5), the oil tank (5b22) is in sliding fit with a hub ring (5e5) through a connecting plate (5e1) and a movable upright plate (5e3), so that the rotating torque generated by the driving motor (5g) is transmitted to the hub ring (5e5), the hub ring (5e5) drives the tire (5d) to rotate, the connecting plate (5e1) is connected with the movable upright plate (5e3) to form an L-shaped structure, the movable upright plate (5e3) is provided with four damping rings at equal intervals and is arranged at one side of the tire (5d), and a damping spring 5 is arranged between the connecting plate (5e1) and the hub ring (3985), during the ground contact rotation of the tire (5d), the vibration generated by the road surface and the tire (5d) is absorbed by the damping spring (5e2), each connecting plate (5e1), the damping spring (5e2), the movable vertical plate (5e3) and the sliding sleeve (5e4) arranged on the hub ring (5e5) are connected to form an independent damping structure, the rotating kinetic energy is transmitted to the hub ring (5e5) through the movable structure formed by the connecting plates (5e1) and the movable vertical plate (5e3), under the cooperation of the central spring (7) and the damping spring (5e2), the tire (5d) is enabled to be in rotation, the driving motor (5g) is always kept in horizontal transverse position, the vibration frequency of the driving motor (5g) is reduced, the working efficiency and the stability of the driving motor (5g) are improved, because the shield (5f51) is provided with two axially symmetrical structures and is arranged at the upper end and the lower end of the vertical end (5f53), the protective cover (5f51) is fixed on the outer wall of a driving motor (5g) in an arc structure, the front end of the protective cover (5f51) is connected with an oil return inner cover (5b21), because an oil tank (5b22) rotates along with a hub ring (5e5), a swing rod (5b23) is arranged at the center inside the oil tank (5b22), pendulum weights (5b24) are arranged at two ends of the swing rod (5b23), the width formed by the swing rod (5b23) is the same as the width of an inner cavity of the oil tank (5b22), because half of oil is filled inside the oil tank (5b22), the pendulum weight (5b24) drives the swing rod (5b23) to rotate inside the oil tank (5b22) in the rotation process of the oil tank (5b22), the oil inside the oil tank (5b22) is guided, and the oil liquid in the oil tank (5b22), the oil return inner cover (5b21), the protective cover (5f 36) and the protective cover (51) form a liquid circulation channel 53) for the oil to and the oil return, the heat generated by the driving motor (5g) is recovered, and the oil is circulated and vibrated, so that the heat dissipation efficiency of the oil can be improved, because the front end of the oil tank (5b22) is provided with four drainage blades (5b3), the drainage blades (5b3) rotate, and a cyclone which rotates in the same direction as the hub ring (5e5) is formed around the oil tank (5b22), thereby greatly improving the heat dissipation efficiency of the driving motor (5 g).

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a drive wheel behind electric drive formula electric automobile, its structure includes back bow member (1), activity knee (2), activity crossbearer (3), cable (4), back drive wheel (5), rear axle crossbearer (6), central spring (7), its characterized in that:

rear axle crossbearer (6) top arrange and to have central spring (7), rear axle crossbearer (6) top be equipped with activity crossbearer (3), activity crossbearer (3) and rear axle crossbearer (6) parallel to each other, activity crossbearer (3) top central point put and to be equipped with back bow member (1), back bow member (1) both sides all be equipped with activity knee (2), activity crossbearer (3) both sides all be equipped with cable (4), rear axle crossbearer (6) both sides all be equipped with back drive wheel (5).

2. The rear drive wheel of an electric-driven electric vehicle according to claim 1, characterized in that: rear drive wheel (5) including slewing bearing (5a), heat dissipation mechanism (5b), the solid fixed ring of tire (5c), tire (5d), damping rotation mechanism (5e), liquid flow mechanism (5f), driving motor (5g), damping rotation mechanism (5e) front end be equipped with heat dissipation mechanism (5b), damping rotation mechanism (5e) rear end be equipped with liquid flow mechanism (5f), liquid flow mechanism (5f) inside be equipped with driving motor (5g), damping rotation mechanism (5e) outer lane on be equipped with the solid fixed ring of tire (5c), the solid fixed ring of tire (5c) on be equipped with tire (5d), driving motor (5g) front end be equipped with slewing bearing (5 a).

3. The rear drive wheel of an electric-driven electric vehicle according to claim 2, characterized in that: radiating mechanism (5b) including ripple ring account (5b1), lead to structure (5b2), guide vane (5b3), ripple branch pipe (5b4), drive shaft (5b5), lead to structure (5b2) central point and put and be equipped with drive shaft (5b5), lead to structure (5b2) front end and be equipped with guide vane (5b3), lead to structure (5b2) outer lane on be equipped with ripple ring account (5b1), ripple ring account (5b1) on be equipped with ripple branch pipe (5b 4).

4. The rear drive wheel of an electric-driven electric vehicle according to claim 3, characterized in that: draw structure (5b2) including fluid backward flow inner cover (5b21), oil tank (5b22), pendulum rod (5b23), pendulum hammer (5b24), the inside central point of oil tank (5b22) put and be equipped with pendulum rod (5b23), pendulum rod (5b23) both ends all be equipped with pendulum hammer (5b24), pendulum rod (5b23) adopt sliding fit through pendulum hammer (5b24) and oil tank (5b22), pendulum rod (5b23) about both ends all be equipped with fluid backward flow inner cover (5b 21).

5. The rear drive wheel of an electric-driven electric vehicle according to claim 2, characterized in that: damping rotation mechanism (5e) including connecting plate (5e1), damping spring (5e2), activity riser (5e3), sliding sleeve (5e4), hub ring (5e5), hub ring (5e5) on be equipped with sliding sleeve (5e4), sliding sleeve (5e4) on be equipped with movable riser (5e3), activity riser (5e3) bottom be equipped with connecting plate (5e1), connecting plate (5e1) top be equipped with damping spring (5e 2).

6. The rear drive wheel of an electric-driven electric vehicle according to claim 2, characterized in that: liquid flow mechanism (5f) including dead lever (5f1), arc board (5f2), fixed block (5f3), broad width pole setting (5f4), liquid flow heat absorption structure (5f5), pole setting (5f4) about both ends be equipped with dead lever (5f1), pole setting (5f4) front end be equipped with liquid flow heat absorption structure (5f5), liquid flow heat absorption structure (5f5) about both ends be equipped with arc board (5f2), pole setting (5f4) central point put and be equipped with fixed block (5f 3).

7. The rear drive wheel of an electric-driven electric vehicle according to claim 6, characterized in that: the liquid flow heat absorption structure (5f5) include guard shield (5f51), back violently liquid pipe (5f52), found liquid pipe (5f53), found liquid pipe (5f53) upper and lower both ends all be equipped with guard shield (5f51), guard shield (5f51) rear end be equipped with back violently liquid pipe (5f 52).