CN111806175B

CN111806175B - Independent suspension mechanism with rear wheel capable of vertically jumping and wheel driving method

Info

Publication number: CN111806175B
Application number: CN202010765196.9A
Authority: CN
Inventors: 郑庆华
Original assignee: Individual
Current assignee: Fujian Pingxiu Xing New Energy Technology Co ltd
Priority date: 2019-08-05
Filing date: 2020-08-03
Publication date: 2021-11-02
Anticipated expiration: 2040-08-03
Also published as: CN111806175A

Abstract

The invention provides an independent suspension mechanism with upright and bouncing rear wheels for a motor vehicle and a wheel driving method, the independent suspension mechanism comprises a vehicle body frame, a left swinging frame and a right swinging frame are respectively arranged at two sides behind the vehicle body frame, a left rear fork frame is arranged below the left swinging frame, a right rear fork frame is arranged below the right swinging frame, rear wheels are respectively arranged inside the left rear fork frame and the right rear fork frame, shock absorbers A are respectively arranged between the left rear fork frame and the left swinging frame and between the right swinging frame and the right rear fork frame, a rear support chassis and a front support chassis are respectively arranged below the vehicle body frame in a front-back symmetrical mode, a plurality of support bottom springs are respectively and uniformly arranged between the vehicle body frame and the front support chassis and between the lower parts of two sides of the vehicle body frame and the upper parts of the inner sides of the left swinging frame and the upper parts of the inner sides of the right swinging frame, shock absorbers B are respectively and obliquely arranged between the lower parts of two sides of the vehicle body frame and the upper parts of the inner sides of the left swinging frame and the upper parts of the inner side of the right swinging frame, the double-pulley type power-off switch is arranged in the wheel driving method, and the double-pulley type power-off switch is reasonable in structure, ingenious in design, good in damping performance and wide in prospect.

Description

Independent suspension mechanism with rear wheel capable of vertically jumping and wheel driving method

Technical Field

The invention relates to an independent suspension mechanism with upright-jumping rear wheels for a motor vehicle and a wheel driving method.

Background

The suspension of the motor vehicle is supported between the tire and the vehicle body, can alleviate the impact transmitted to the vehicle body from an uneven road surface, and can attenuate the inclination, the shaking and the vibration in the left, right, up and down directions, which are generated by the impact, namely the cushioning effect, so as to improve the riding comfort of passengers and reduce the abrasion of the impact force to the vehicle. The suspension mechanism is generally divided into three types, namely an independent suspension, a semi-independent suspension and a non-independent suspension, wherein the independent suspension is relative to the semi-independent suspension and the non-independent suspension, and because the left wheel and the right wheel of the independent suspension can independently jump and are not coherent with each other, the driving stability, the shock absorption and the comfort of the independent suspension are better, and the independent suspension is a suspension mode adopted in most of the existing cars; meanwhile, the traditional wheel steering mechanism is complex in structure, inconvenient to maintain and not durable.

Disclosure of Invention

The invention improves the problems, namely the invention aims to provide a wheel driving method of an independent suspension mechanism with a rear wheel capable of vertically jumping, which has the advantages of simple structure, convenient use, good shock absorption and reduced side inclination effect, and is convenient and durable in maintenance.

The invention comprises an independent suspension mechanism, wherein the independent suspension mechanism comprises a vehicle body frame, a left swinging frame and a right swinging frame are respectively arranged on two sides of the rear part of the vehicle body frame, a left rear fork frame is arranged below the left swinging frame, a right rear fork frame is arranged below the right swinging frame, rear wheels are respectively arranged in the left rear fork frame and the right rear fork frame, shock absorbers A are respectively arranged between the left rear fork frame and the left swinging frame and between the right swinging frame and the right rear fork frame, rear support bottom frames and front support bottom frames are symmetrically arranged on the front and rear parts of the lower part of the vehicle body frame, a plurality of support bottom springs are respectively and uniformly arranged between the vehicle body frame and the front support bottom frames and between the lower parts of two sides of the vehicle body frame and the upper parts of the inner sides of the left swinging frame and the upper parts of the inner sides of the right swinging frame, and shock absorbers B are obliquely arranged between the lower parts of two sides of the vehicle body frame and the upper parts of the inner sides of the left swinging frame and the inner side of the right swinging frame.

Furthermore, a main lock shaft is arranged from front to back below the vehicle body frame, a front bearing outer sleeve and a rear bearing outer sleeve are respectively arranged in front of and behind the vehicle body frame, a front shaft outer sleeve and a rear shaft outer sleeve are arranged on one side, close to the main lock shaft, of the left swing frame at intervals from front to back, a front shaft outer sleeve and a rear shaft outer sleeve are arranged on one side, close to the main lock shaft, of the right swing frame, a longitudinal bearing outer sleeve with front and rear bearing positions is arranged on one side, close to the main lock shaft, of the right swing frame, the front shaft outer sleeve and the rear shaft outer sleeve of the left swing frame and the longitudinal bearing outer sleeve of the right swing frame are arranged in a staggered mode, chassis bearing sleeves are arranged in the middle portions above the front support chassis and the rear support chassis, and the main lock shaft sequentially penetrates through the front bearing outer sleeve, the front shaft outer sleeve, the chassis bearing sleeves on the rear support chassis, the longitudinal bearing outer sleeve, the chassis bearing sleeve on the front support chassis, the rear shaft outer sleeve and the rear bearing outer sleeve.

Furthermore, a wheel driving mechanism is arranged above the front of the vehicle body frame and comprises a double-pulley type power-off switch, a power inlet line, a power outlet line, a steering wheel, a front wheel assembly, a pedal system, a motor for driving wheels and a controller.

Further, the double-pulley type power-off switch comprises a rotating shaft vertically arranged above the vehicle body frame, a longitudinal pull rod is arranged below the rotating shaft and used for driving the longitudinal pull rod to enable a front wheel to turn left or right, a double-hole shaft sleeve frame is sleeved and locked outside the rotating shaft, a support arm A and a support arm B are respectively arranged on two sides of the double-hole shaft sleeve frame, a lock frame A is arranged above the support arm A, a spring A is arranged between the lock frame A and the support arm A, a lock frame B is arranged above the support arm B, a spring B is arranged between the support arm B and the lock frame B, a roller A is arranged at the left end of the support arm A, a roller B is arranged at the right end of the support arm B, an underframe positioned on the vehicle body frame is arranged below the double-hole shaft sleeve frame, an arc flat sheet A, an insulating flat sheet and an arc flat sheet B which are positioned on the same horizontal plane are sequentially arranged from right to top of the underframe, the arc flat sheet A is contacted and attached to the roller A, the arc-shaped flat sheet B is in contact fit with the roller B, and the double-hole shaft sleeve frame is made of insulating materials.

Furthermore, the power supply inlet line comprises a ground wire A, a live wire A, a ground wire B and a live wire B, the current intensity and the voltage of the live wire A and the live wire B are the same, the motors comprise a left wheel motor and a right wheel motor which are the same in power, the live wire A is locked on the edge of the pulley A, a live wire C is arranged on the arc flat sheet A, the ground wire A, the live wire A and the live wire C are combined and used for leading to the speed regulator A, the right wheel motor and the controller to form an independent circuit, the live wire B is locked on the edge of the pulley B, a live wire D is arranged on the arc flat sheet B, the ground wire B, the live wire B and the live wire D are combined and used for leading to the speed regulator B, the left wheel motor and the controller to form an independent circuit, the left wheel handle is connected with the speed regulator B, and the right wheel handle is connected with the speed regulator A.

Further, the pedal plate system comprises a lower shaft rod positioned on the automobile body frame, a left shaft sleeve, a lower transverse bearing outer sleeve, a speed regulator A, a speed regulator B and a right shaft sleeve are sequentially arranged on the lower shaft rod from left to right along the length direction of the lower shaft rod, the left shaft sleeve and the right shaft sleeve are locked on two inner sides of the automobile body frame, a pedal is fixed in the middle of the lower transverse bearing outer sleeve, an extension rod is arranged on the side portion of the pedal, and a return spring is arranged between the extension rod and the automobile body frame positioned above the extension rod.

Further, when the front wheel is in the positive direction, the pulley A is positioned on the arc-shaped flat sheet A, the pulley B is positioned on the arc-shaped flat sheet B, and the left wheel motor and the right wheel motor are in an electrified state at the moment, so that the wheels are driven to rotate; when the steering wheel is controlled to drive the longitudinal pull rod to rotate leftwards, the pulley A slides on the arc-shaped flat sheet A, the pulley B starts to slide onto the insulating flat sheet, the right wheel motor is in a power-on state, and the left wheel motor is in a power-off state; when the steering wheel is controlled to drive the longitudinal pull rod to rotate rightwards, the pulley B slides on the arc-shaped flat sheet B, the pulley A starts to slide to the insulating flat sheet, and at the moment, the left wheel motor is in a power-on state, and the right wheel motor is in a power-off state.

Compared with the prior art, the invention has the following beneficial effects: the device has reasonable design, simple structure, convenient assembly and disassembly and reliable safety, can realize the upright bounce of the wheel, can also realize the original upright state of the wheel without changing, and can achieve good shock absorption and reduce the effect of heeling; meanwhile, compared with the traditional wheel steering mechanism and method, the wheel steering mechanism and method are more durable, convenient to maintain, reliable, more scientific and more practical, and have wide prospects.

Drawings

FIG. 1 is an overall top view of a structure according to an embodiment of the present invention;

FIG. 2 is a partial top view of a structure according to an embodiment of the present invention;

FIG. 3 is a rear view of the structure of an embodiment of the present invention;

fig. 4 is a rear view of a double pulley type power-off switch according to an embodiment of the present invention;

fig. 5 is a top view of a dual pulley type power-off switch according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a footrest system according to an embodiment of the present invention;

FIG. 7 is a top view of the left and right swing frames of an embodiment of the present invention;

FIG. 8 is a side view of a structural independent suspension according to an embodiment of the present invention;

FIG. 9 is a top view of the rear body frame of the vehicle in accordance with the exemplary embodiment of the present invention;

FIG. 10 is a rear elevational view of the rear body frame of the vehicle in accordance with the exemplary embodiment of the present invention;

FIG. 11 is a rear view of the left swing frame, the right swing frame and the rear cradle frame of the exemplary configuration of the present invention;

FIG. 12 is a side view of a rear body frame of a vehicle according to an embodiment of the present invention;

FIG. 13 is a side view of a left swing frame of an embodiment of the present invention.

In the figure: 1-a body frame, 2-a left swing frame, 3-a right swing frame, 4-a main lock shaft, 5-a front support underframe, 6-a rear support underframe, 7-a support spring, 9-a left support bar, 10-a right support bar, 11-a shock absorber B, 16-a swing bar, 17-a front wheel frame, 18-a shock absorber A, 19-a rear wheel, 20-a front wheel, 21-a left rear fork frame, 22-a right rear fork frame, 61-an underframe bearing sleeve, 78-a front shaft sleeve, 79-a rear shaft sleeve, 81-a front bearing outer sleeve, 82-a rear bearing outer sleeve, 101-a double pulley type power-off switch, 102-a longitudinal pull rod, 104-a foot pedal system, 301-an arc flat piece A, 302-an arc flat piece B, 303-an insulation flat piece, 304-pulley A, 305-pulley B, 306-lock frame A, 307-lock frame B, 308-double-hole shaft sleeve frame, 309-rotating shaft, 310-bottom frame, 311-insulating bottom sheet, 312-spring A, 313-spring B, 401-lower transverse bearing outer sleeve, 402-left shaft sleeve, 403-right shaft sleeve, 404-speed regulator A, 405-speed regulator B, 407-three-hole flat sheet, 408-lower shaft rod, 409-return spring, 503-pedal, 504-extension rod, 601-support arm A, 602-support arm B, 603-live wire C, 604-live wire D, 605-live wire A, live wire-B, 611-longitudinal bearing outer sleeve, 803-body frame A, 804-vertical shaft A, 805-reinforcing shaft A, 806-transverse axis A, 851-longitudinal bearing outer sleeve, 855-transverse axis B, 856-lock frame shaft rod, 852-right frame B, 853-vertical axis B, 901-left tube, 903-right tube, 906-fork tube, 907-U-shaped bent piece and 909-bearing outer sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in fig. 1 to 13, in the present embodiment, a wheel driving method of an independent suspension mechanism with a rear wheel capable of vertically jumping includes the independent suspension mechanism, the independent suspension mechanism includes a vehicle body frame 1, a left swing frame 2 and a right swing frame 3 are respectively disposed on two sides of a rear portion of the vehicle body frame 1, a left rear fork frame 21 is disposed below the left swing frame, a right rear fork frame 22 is disposed below the right swing frame, rear wheels 19 are respectively disposed inside the left rear fork frame and the right rear fork frame, shock absorbers a18 are respectively disposed between the left rear fork frame and the left swing frame, and between the right swing frame and the right rear fork frame, a rear support chassis 6 and a front support chassis 5 are respectively disposed below the vehicle body frame in a front-to-back symmetric manner, a plurality of support chassis springs 7 are respectively disposed between the vehicle body frame and the front support chassis and the rear support chassis, and lower portions of two sides of the vehicle body frame are respectively connected with an upper portion of an inner side of the left swing frame, an upper portion of the vehicle body frame, and a rear portion of the rear support chassis are respectively, A shock absorber B11 is obliquely arranged between the upper parts of the inner sides of the right swing frame.

When the vehicle body frame is shaken up and down in the using process, the left swinging frame and the right swinging frame do not directly interfere with each other in rotation, the rotation of the front supporting underframe and the rear supporting underframe and the rotation of the left swinging frame, the right swinging frame and the vehicle body frame do not directly interfere with each other, so that the bouncing of the wheels positioned on the left side and the bouncing of the wheels positioned on the right side do not directly interfere with each other; in addition, under the action of the bottom supporting spring and the shock absorber, the wheels can be buffered by jumping up and down in the buffering process, so that the left rear wheel and the right rear wheel which roll at high speed can roll closely to the road surface, and the safety can be relatively improved.

When the wheels meet the terrain such as large low-lying terrain, the left swing frame and the right swing frame can not swing downwards under the dragging of the front support underframe and the rear support underframe, and the wheels can swing downwards, so that the wheels can easily meet the terrain such as low-lying terrain, the rear wheels can swing backwards to jump, and the front legs and the backward natural upward lifting can meet obstacles when animals such as horses, sheep and the like running at high speed meet the obstacles.

A main lock shaft 4 is arranged from front to back below the vehicle frame, a front bearing outer sleeve 81 and a rear bearing outer sleeve 82 are respectively arranged at the front and back below the vehicle frame, a front shaft outer sleeve 78 and a rear shaft outer sleeve 79 are arranged at intervals from front to back on one side of the left swing frame close to the main lock shaft, a longitudinal bearing outer sleeve 851 with two bearing positions at the front and back is arranged on one side of the right swing frame close to the main lock shaft, the front shaft outer sleeve and the rear shaft outer sleeve of the left swing frame and the longitudinal bearing outer sleeve of the right swing frame are arranged in a staggered manner, chassis bearing sleeves 61 are respectively arranged at the upper middle parts of the front support chassis and the rear support chassis, and the main lock shaft sequentially penetrates through the front bearing outer sleeve, the front shaft outer sleeve, the chassis bearing sleeve on the rear support chassis, the longitudinal bearing outer sleeve, the chassis bearing sleeve on the front support chassis, the rear shaft outer sleeve and the rear bearing outer sleeve; the front shaft outer sleeve, the rear shaft outer sleeve, the front bearing outer sleeve, the rear bearing outer sleeve, the longitudinal bearing outer sleeve and the underframe bearing sleeve are coaxially arranged and can be locked on the main lock shaft by adopting a plurality of small screws.

In this embodiment, a wheel driving mechanism is disposed above the front of the body frame, and the wheel driving mechanism includes a dual-pulley power-off switch 101, a power inlet line, a power outlet line, a steering wheel, a front wheel assembly, a pedal system 104, a motor for driving the wheels, and a controller.

The double-pulley power-off switch 101 comprises a vertical rotating shaft 309 arranged above a vehicle body frame, a longitudinal pull rod 102 is arranged below the rotating shaft and used for driving the longitudinal pull rod to swing by a steering wheel so as to enable a front wheel 20 to turn left or right, a double-hole shaft sleeve frame 308 is sleeved and locked outside the rotating shaft, a support arm A601 and a support arm B602 are respectively arranged on two sides of the double-hole shaft sleeve frame, a lock frame A306 is arranged above the support arm A, a spring A312 is arranged between the lock frame A and the support arm A, a lock frame B307 is arranged above the support arm B, a spring B313 is arranged between the support arm B and the lock frame B, a roller A304 is arranged at the left end of the support arm A, a roller B305 is arranged at the right end of the support arm B, a bottom frame 310 arranged on the vehicle body frame is arranged below the double-hole shaft sleeve frame, an arc plain film A301, an insulation plain film 303 and an arc plain film B302 which are arranged on the same horizontal plane are sequentially arranged from right to the top, the arc-shaped flat sheet A is in contact fit with the roller A, and the arc-shaped flat sheet B is in contact fit with the roller B; the sections of the support arm A and the support arm B are L-shaped.

Under spring A and spring B's effect, can guarantee that gyro wheel A or gyro wheel B laminate all the time and slide on arc plain film A or arc plain film B, arc plain film A, insulating plain film and arc plain film B distribute along the central direction circumference of pivot in proper order, insulating plain film is the insulator, and arc plain film A and arc plain film B are the electric conductor.

An insulating bottom sheet 311 is laid above the bottom frame, so that the arc-shaped flat sheet A and the arc-shaped flat sheet B laid above the insulating bottom sheet cannot leak electricity, and a plurality of small screws serving as insulators are arranged below the arc-shaped flat sheet A, the arc-shaped flat sheet B and the insulating flat sheet to lock the arc-shaped flat sheet A, the arc-shaped flat sheet B and the insulating flat sheet on the bottom frame.

The front wheel assembly comprises a front wheel frame 17 and a front wheel 20 which are arranged in front of the vehicle body frame, a swing rod 16 is arranged between the two front wheel frames, the longitudinal pull rod 102 is hinged with the middle part of the swing rod and is used for driving the front wheel to turn left when the longitudinal pull rod rotates left, and driving the front wheel to turn right when the longitudinal pull rod rotates right; the connection mode and the driving mode of the steering wheel driving the longitudinal pull rod to rotate are the prior art.

In this embodiment, the power supply inlet line includes a ground line a, a live line a, a ground line B, and a live line B, the current intensity and the voltage of the live line a and the live line B are the same, the motors include a left wheel motor and a right wheel motor having the same power, the live line a is locked on the side of the pulley a, the live line C603 is arranged on the arc-shaped flat sheet a, the ground line a, the live line a, and the live line C are combined to form an independent line to the speed regulator a, the right wheel motor, and the controller, the live line B is locked on the side of the pulley B, the live line D604 is arranged on the arc-shaped flat sheet B, the ground line B, the live line B, and the live line D are combined to form an independent line to the speed regulator B, the left wheel motor, and the controller; the left wheel motor is used for driving the left wheel to rotate, and the right wheel motor is used for driving the right wheel to rotate.

In this embodiment, the pedal system 104 includes a lower shaft 408 located on the vehicle body frame, the lower shaft is sequentially provided with a left shaft sleeve 402, a lower transverse bearing sleeve 401, a speed regulator a404, a speed regulator B405 and a right shaft sleeve 403 from left to right along the length direction of the lower shaft, the left shaft sleeve and the right shaft sleeve are locked on two inner sides of the vehicle body frame, a pedal 503 is fixed in the middle of the lower transverse bearing sleeve, an extension rod 504 is arranged on the side of the pedal, and a return spring 409 is arranged between the extension rod and the vehicle body frame located above the extension rod; a three-hole plain film is arranged above the lower shaft lever and connects the speed regulator A, the speed regulator B and the lower transverse bearing outer sleeve together by screws, so that when the pedal rotates downwards, rotating handles on the speed regulator A and the speed regulator B can rotate synchronously; the arrangement of the return spring enables the pedal to be freely folded and unfolded; the three-hole plain film locks the lower transverse bearing outer sleeve with the left wheel rotating handle and the right wheel rotating handle together by screws, and the pedal is fixed on the lower transverse bearing outer sleeve, so that the shaft wheel rotating handle and the right wheel rotating handle move simultaneously when the pedal moves.

In this embodiment, when the wheel is driven, when the front wheel is in the positive direction, the pulley a is on the arc-shaped flat sheet a, the pulley B is on the arc-shaped flat sheet B, and at this time, the left wheel motor and the right wheel motor are in an energized state, that is, the wheel is driven to rotate; when the steering wheel is controlled to drive the longitudinal pull rod to rotate leftwards, the pulley A slides on the arc-shaped flat sheet A, the pulley B starts to slide onto the insulating flat sheet, the right wheel motor is in a power-on state, and the left wheel motor is in a power-off state; when the steering wheel is controlled to drive the longitudinal pull rod to rotate rightwards, the pulley B slides on the arc-shaped flat sheet B, the pulley A starts to slide to the insulating flat sheet, and at the moment, the left wheel motor is in a power-on state, and the right wheel motor is in a power-off state.

Example 2: an independent suspension mechanism with rear wheels capable of vertically jumping comprises a vehicle body frame, a left swing frame, a right swing frame, a main lock shaft, a front supporting underframe, a rear supporting underframe, a left supporting rod 9, a right supporting rod 10, a left rear flat fork frame, a right rear flat fork frame, a shock absorber A, a shock absorber B, a bottom supporting spring, rear wheels and the like, wherein the vehicle body frame is used for erecting a vehicle body and comprises a bottom beam and a frame, the rear wheels comprise a left rear wheel and a right rear wheel, the upper ends of two sides of the frame are used for locking the upper end of the shock absorber B, the frame comprises a front bearing outer sleeve 81 and a rear bearing outer sleeve 82, the left swing frame comprises a front shaft outer sleeve, a rear shaft outer sleeve, a body frame A803, a vertical shaft A804, a reinforcing shaft A805, a front transverse shaft A806 and a lock frame A807, the front shaft outer sleeve 78, the rear shaft outer sleeve 79 and the rear shaft outer sleeve are fixed on the front end of the body frame A803, The front axle outer sleeve and the rear axle outer sleeve belong to the same straight line, and are locked by the main lock shaft, a plurality of small screws are arranged on the peripheries of the front axle outer sleeve and the rear axle outer sleeve to lock the main lock shaft, four circle sheets 612 are arranged on the body frame A to be used for propping against the upper end of the bottom-supporting spring, four hole sites are arranged on the body frame A to lock the lower end of the shock absorber B, the lock frame shaft rod A is parallel to the positive transverse axis A in the positive transverse direction and is crossed with the positive direction of the vehicle at 90 degrees, the tail end of the lock frame shaft rod A and the tail end of the positive transverse axis A are locked by a left support rod 9 provided with an upper screw hole and a lower screw hole, a reinforcing shaft A is arranged between the positive transverse axis A and the vertical axis A, screw holes are arranged below the two ends of the positive transverse axis A to lock the upper ends of the two shock absorbers A, the lock frame shaft rod A locks a bearing arranged on the left rear flat fork frame, and the left rear flat fork frame is consistent with the right rear flat fork frame in length, basically, the rear fork frame of the traditional two-wheel electric vehicle is adopted, but I sets a bearing outer sleeve with two bearing positions at the two ends at the front end of the rear fork frame, a U-shaped bent sheet is used for surrounding the wheel to be connected above two fork tubes, the upper end of the U-shaped bent sheet is connected with the middle of the bearing outer sleeve by a straight sheet, so that the whole rear fork frame is firmer and can bear larger torsion to ensure relative safety, the two fork tubes are used for locking the rear wheel, therefore, the left rear fork frame comprises two fork tubes 906, a U-shaped bent sheet 907, a straight sheet 908 and a bearing outer sleeve 909, screw holes are arranged above the rear ends of the two fork tubes to lock the lower end of a shock absorber A, the tail ends of the two fork tubes lock the rear wheel to enable the rear wheel to be in a positive longitudinal direction, the two fork tubes are connected with the bearing outer sleeve in a 90-degree crossed manner, the right swinging frame comprises a longitudinal bearing outer sleeve 851, a right body frame B852, a vertical shaft B853, a reinforcing shaft B854 and a reinforcing shaft B, The lower end of a body frame B852 is fixed with a longitudinal bearing outer sleeve which is locked by a main lock shaft and is provided with a front bearing position and a rear bearing position, the right body frame B is provided with four hole sites for locking the lower end of a shock absorber B, the body frame B is provided with four circle sheets for propping against the upper end of a bottom supporting spring, the lock frame shaft lever B is in a positive transverse direction and is parallel to the positive transverse shaft B, the tail end of the lock frame shaft lever B and the tail end of the positive transverse shaft B are locked by a right support rod 10 which is provided with an upper screw hole and a lower screw hole, a reinforcing shaft B is arranged between the positive transverse shaft B and the vertical shaft B, screw holes are arranged below the two ends of the positive transverse shaft B and are used for locking the upper ends of two shock absorbers A, the lock frame B locks the bearing outer sleeve which is arranged on a right rear flat fork frame, the tail ends of two fork tubes on the right flat fork frame are provided with screws for locking the lower ends of the shock absorbers A, when a left rear wheel and a right rear wheel are upright, the front transverse axis A and the front transverse axis B are in the same straight line in the positive transverse direction, the lock frame axis A and the lock frame axis B are also in the same straight line in the positive transverse direction, the lengths, the styles and the like of the front support underframe and the rear support underframe are consistent and can be mutually parallel, the front support underframe and the lock frame axis B comprise a left pipe 901, an underframe bearing outer sleeve 61 and a right pipe 903, the left pipe and the right pipe are in the same straight line and the lengths and the styles of the left pipe and the right pipe are consistent, the underframe bearing outer sleeve which is in the positive longitudinal direction and is locked by the main lock shaft and is provided with a front bearing position and a rear bearing position is connected by the left pipe and the right pipe to be centered, the front support underframe is positioned at the front end of the longitudinal bearing outer sleeve, the rear support underframe is positioned at the rear end of the longitudinal bearing outer sleeve, so that four bottom supporting springs locked by the left pipe of the front support underframe and the rear support underframe are used for supporting the left swing frame to play a buffering role, and four bottom supporting springs locked by the right swing frame of the right pipe of the front support underframe and the right swing frame to play a buffering role, the distance between the left rear wheel and the main lock shaft is consistent with the distance between the right rear wheel and the main lock shaft, and the rear wheel can realize vertical bounce because the left rear fork frame rotates around the lock frame shaft lever A and the right rear fork frame rotates around the lock frame shaft lever B, so the invention can be called as an independent suspension mechanism capable of vertical bounce.

Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.

Meanwhile, if the invention as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.

Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims

1. An independent suspension mechanism with rear wheels capable of vertically jumping is characterized by comprising an independent suspension mechanism, wherein the independent suspension mechanism comprises a vehicle body frame, a left swing frame and a right swing frame are respectively arranged on two sides of the rear of the vehicle body frame, a left rear fork frame is arranged below the left swing frame, a right rear fork frame is arranged below the right swing frame, rear wheels are respectively arranged in the left rear fork frame and the right rear fork frame, shock absorbers A are respectively arranged between the left rear fork frame and the left swing frame and between the right swing frame and the right rear fork frame, a rear support chassis and a front support chassis are respectively arranged below the vehicle body frame in a front-back symmetrical mode, a plurality of support springs are respectively arranged between the vehicle body frame and the front support chassis and between the lower parts of two sides of the vehicle body frame and the upper parts of the inner sides of the left swing frame and between the lower parts of the inner sides of the right swing frame in an inclined mode, the bicycle is characterized in that a wheel driving mechanism is arranged above the front portion of the bicycle frame and comprises a double-pulley type power-off switch, a power inlet line, a power outlet line, a steering wheel, a front wheel assembly, a pedal plate system, a motor and a controller, the motor is used for driving wheels, the double-pulley type power-off switch comprises a rotating shaft vertically arranged above the bicycle frame, a longitudinal pull rod is arranged below the rotating shaft and used for driving the longitudinal pull rod to enable the front wheels to turn left or right, a double-hole shaft sleeve frame is sleeved outside the rotating shaft, a support arm A and a support arm B are respectively arranged on two sides of the double-hole shaft sleeve frame, a lock frame A is arranged above the support arm A, a spring A is arranged between the lock frame A and the support arm A, a lock frame B is arranged above the support arm B, a spring B is arranged between the support arm B and the lock frame B, a roller A is arranged at the left end of the support arm A, and a roller B is arranged at the right end of the support arm B, the double-hole shaft sleeve frame is characterized in that a bottom frame located on a vehicle body frame is arranged below the double-hole shaft sleeve frame, an arc plain film A, an insulating plain film and an arc plain film B which are located on the same horizontal plane are sequentially arranged above the bottom frame from left to right, the arc plain film A is in contact fit with the roller A, the arc plain film B is in contact fit with the roller B, and the double-hole shaft sleeve frame is made of insulating materials.

2. The independent suspension mechanism for the upright jump of the rear wheel of the motor vehicle as claimed in claim 1, wherein a main lock shaft is provided under the body frame from front to back, a front bearing outer sleeve and a rear bearing outer sleeve are respectively provided under the body frame from front to back, a front shaft outer sleeve and a rear shaft outer sleeve are provided at an interval from front to back on one side of the left swing frame close to the main lock shaft, a longitudinal bearing outer sleeve having two bearing positions is provided on one side of the right swing frame close to the main lock shaft, the front shaft outer sleeve and the rear shaft outer sleeve of the left swing frame and the longitudinal bearing outer sleeve of the right swing frame are arranged in a staggered manner, chassis bearing sleeves are provided at the upper middle parts of the front support chassis and the rear support chassis, and the main lock shaft sequentially passes through the front bearing outer sleeve, the front shaft outer sleeve, the chassis bearing sleeve on the rear support chassis, the longitudinal bearing outer sleeve, the chassis bearing sleeve on the front support chassis, the longitudinal bearing sleeve, the chassis bearing sleeve on the front support chassis, A rear shaft outer sleeve and a rear bearing outer sleeve.

3. The automotive vehicle rear wheel erectable independent suspension mechanism of claim 1, the power supply inlet wire comprises a ground wire A, a live wire A, a ground wire B and a live wire B, the current intensity and the voltage of the live wire A and the live wire B are the same, the motor comprises a left wheel motor and a right wheel motor with the same power, a live wire A is locked on the edge of the pulley A, a live wire C is arranged on the arc-shaped flat sheet A, a ground wire A, the live wire A and the live wire C are combined, used for forming an independent circuit to the speed regulator A, the right wheel motor and the controller, a live wire B is locked on the edge of the pulley B, a live wire D is arranged on the arc flat sheet B, the ground wire B, the live wire B and the live wire D form a group and are used for forming an independent circuit with the speed regulator B, the left wheel motor and the controller, the left wheel rotating handle is connected with the speed regulator B, and the right wheel rotating handle is connected with the speed regulator A.

4. The independent suspension mechanism for the upright jump of the rear wheel of the motor vehicle as claimed in claim 3, wherein the pedal system comprises a lower shaft rod on the vehicle body frame, the lower shaft rod is provided with a left axle sleeve, a lower transverse bearing outer sleeve, a speed regulator A, a speed regulator B and a right axle sleeve in sequence from left to right along the length direction of the lower shaft rod, the left axle sleeve and the right axle sleeve are locked on two inner sides of the vehicle body frame, a pedal is fixed in the middle of the lower transverse bearing outer sleeve, an extension rod is arranged on the side of the pedal, and a return spring is arranged between the extension rod and the vehicle body frame above the extension rod.

5. The method for driving the wheel of the independent suspension mechanism with upright and jumping rear wheels of the motor vehicle as claimed in claim 4, wherein when the front wheel is in the forward direction, the pulley A is on the arc-shaped flat piece A, the pulley B is on the arc-shaped flat piece B, and at the moment, the left wheel motor and the right wheel motor are in the power-on state, so as to drive the wheel to rotate; when the steering wheel is controlled to drive the longitudinal pull rod to rotate leftwards, the pulley A slides on the arc-shaped flat sheet A, the pulley B starts to slide onto the insulating flat sheet, the right wheel motor is in a power-on state, and the left wheel motor is in a power-off state; when the steering wheel is controlled to drive the longitudinal pull rod to rotate rightwards, the pulley B slides on the arc-shaped flat sheet B, the pulley A starts to slide to the insulating flat sheet, and at the moment, the left wheel motor is in a power-on state, and the right wheel motor is in a power-off state.