CN218258553U

CN218258553U - Electric vehicle with composite damping structure

Info

Publication number: CN218258553U
Application number: CN202221964982.2U
Authority: CN
Inventors: 荆贵堂; 王月行; 刘培利; 刘文胜; 田石磊
Original assignee: Tianjin Jinshang Electric Vehicle Co ltd
Current assignee: Tianjin Jinshang Electric Vehicle Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-01-10
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses an electric motor car with compound shock-absorbing structure, which comprises a vehicle rack, the frame erects subaerial, the both ends of frame are front end and rear end respectively, and it is right still including being used for the front end of frame carries out the speed reducing mechanism that the shock attenuation cushioned, be used for slow down the mechanism with the frame carries out quick assembly disassembly's quick detach mechanism and is used for preventing the rear end of frame appears the mechanism of moving away to avoid possible earthquakes of shaking by a wide margin, slows down the mechanism and is located the front end of frame, quick assembly disassembly mechanism be located slow down the mechanism with between the frame, the mechanism of moving away to avoid possible earthquakes is located the rear end of frame, the beneficial effects of the utility model are that being equipped with slow down the mechanism, can carrying out quick assembly disassembly with the frame to the front end of frame when carrying out the shock attenuation, promote the dismouting convenience that slows down the mechanism, be equipped with the mechanism of moving away to avoid possible earthquakes, can effectively prevent the rear end of frame from appearing by a wide margin, and the shock attenuation is effectual, and the practicality is strong.

Description

Electric vehicle with composite damping structure

Technical Field

The utility model belongs to the technical field of the electric motor car technique and specifically relates to an electric motor car with compound shock-absorbing structure is related to.

Background

In the prior art, in order to quickly attenuate the vibration of a frame and a vehicle body and improve the running smoothness and comfort of an electric vehicle, a shock absorber is generally arranged on a suspension system of the electric vehicle, and is a vulnerable accessory in the use process of the electric vehicle, the working condition and the working quality of the shock absorber directly influence the running stability of the electric vehicle and the service life of other parts, and in order to achieve long-term riding comfort, the shock absorber also needs to be in a good working state for a long time, so that the shock absorber is a key structural component on the electric vehicle and a motorcycle, can relieve the impact caused by bumpy road surfaces, weaken the vibration in the running process, ensure the comfort of a rider and the durability of the vehicle, and the existing shock absorber has complicated installation steps, is inconvenient to install the shock absorber by using a plurality of tools, and is inconvenient to install the shock absorber.

The application numbers are: 202021941283.7's chinese utility model discloses an electric motor car bumper shock absorber installing support relates to the bumper shock absorber field, including the installing support, the inside of installing support is provided with the hexagon through hole, and the inner wall of hexagon through hole is provided with the back shaft, the inside internal thread that is provided with of one end of back shaft, and the other end outside of back shaft is provided with the external screw thread, the outside that external screw thread one end was kept away from to the back shaft is provided with the fixation nut who contacts with the installing support, and wears the outside that the back shaft is close to the external screw thread and be provided with the anti-skidding nut that contacts with the installing support, the inside of installing support is provided with the spring shell, and the internally mounted of spring shell has the spring, the top of spring is provided with the spring preforming, and the upper surface of spring preforming is provided with linking bridge, the inside of linking bridge is provided with the connecting hole. However, the shock absorption structure of this kind of electric motor car bumper shock absorber installing support through the structure constitution of single spring assembly carries out the shock attenuation to the electric motor car, and the shock attenuation effect is relatively poor, and its device is whole to be become by a plurality of parts fine grinding cooperation, if wherein certain part damages can lead to the device whole to scrap, and economic benefits is relatively poor, and the applicable circumstances is comparatively single, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric motor car with compound shock-absorbing structure.

In order to achieve the above object, the present invention provides a technical solution:

the utility model provides an electric motor car with compound shock-absorbing structure, includes the frame, the frame erects subaerial, the both ends of frame are front end and rear end respectively, and still including be used for right the front end of frame carry out the damping and cushion slow down the mechanism, be used for slow down the mechanism with the quick detach mechanism that the frame carries out quick assembly disassembly and is used for preventing the rear end of frame appears the mechanism of moving away to avoid possible earthquakes of vibrations by a wide margin, slows down the mechanism and is located the front end of frame, quick detach mechanism be located slow down the mechanism with between the frame, the mechanism of moving away to avoid possible earthquakes is located the rear end of frame.

Slow down the mechanism and include shock attenuation installation piece, damping spring and shock attenuation connecting block, the assembly of shock attenuation installation piece is in the front end of frame, damping spring sets up the lower extreme of shock attenuation installation piece and its upper end with shock attenuation installation piece fixed connection, the setting of shock attenuation connecting block is in damping spring's lower extreme and with damping spring fixed connection.

Still include the buffering post, the buffering post is equipped with two, two the buffering post sets up relatively shock attenuation installation piece with just two between the shock attenuation connecting block the buffering post respectively with correspond shock attenuation installation piece and shock attenuation connecting block threaded connection, two the buffering post all is located leave the space between the inboard of damping spring and the two one end that sets up relatively, slow down the mechanism and be equipped with two sets ofly, two sets of mechanisms that slow down set up at interval side by side.

Quick detach mechanism includes quick detach mounting panel, quick detach suit piece and quick detach positioning bolt, the quick detach mounting panel sets up the upper end of shock attenuation installation piece and with shock attenuation installation piece fixed connection is two sets of shock attenuation installation piece symmetry is laid the bottom of quick detach mounting panel, quick detach suit piece sets up the upper end middle part of quick detach mounting panel and with quick detach mounting panel fixed connection, the inside of quick detach suit piece is hollow structure, quick detach positioning bolt sets up the lateral part of quick detach suit piece and runs through quick detach suit piece with quick detach suit piece threaded connection, the shock attenuation installation piece is in through the assembly of quick detach mechanism the front end of frame.

The mechanism of moving away to avoid possible earthquakes is including the hydraulic stem of moving away to avoid possible earthquakes, spring and the supporting seat of moving away to avoid possible earthquakes, the hydraulic stem of moving away to avoid possible earthquakes sets up the rear end of frame and its one end with the rear end of frame rotates to be connected, the spring cover of moving away to avoid possible earthquakes establish the outside of hydraulic stem of moving away to avoid possible earthquakes and its one end pass through the mount pad with the one end lateral part fixed connection of the hydraulic stem of moving away to avoid possible earthquakes, the supporting seat of moving away to avoid possible earthquakes set up with the spring of moving away to avoid possible earthquakes corresponds the setting.

Still include the rear wheel assembly, the rear wheel assembly includes rear wheel support and drive rear wheel, the rear wheel support sets up the rear end lower part of frame and its one end with frame fixed connection, the hydraulic stem of moving away to avoid possible earthquakes is kept away from the one end of frame through the installation piece with the rear wheel rotate bracket connects, the setting of drive rear wheel is in the rear wheel support is kept away from the one end of frame and through the bearing with the rear wheel rotate bracket connects.

Still include the front wheel assembly, the front wheel assembly includes front wheel bracing piece and drive front wheel, the front wheel bracing piece is equipped with two, two the front wheel bracing piece sets up respectively two sets up the bottom of shock attenuation connecting block and with correspond shock attenuation connecting block threaded connection, the drive front wheel sets up two the front wheel bracing piece is kept away from the one end that slows down the mechanism and is passed through the bearing with the front wheel bracing piece rotates to be connected, and the front wheel assembly is in through slowing down mechanism and quick detach mechanism the front end of frame.

Still include braking system, braking system includes that the front wheel dish is stopped and the rear wheel dish is stopped, the front wheel dish is stopped and the rear wheel dish is stopped and is disposed respectively in drive front wheel and drive rear wheel department.

The front illuminating lamp and the rear illuminating lamp are respectively assembled at the front end of the frame and the rear end of the frame.

Still include handlebar and saddle, the handlebar assembly is in the front end upper portion of frame, the saddle assembly is in the middle part of frame.

The utility model has the advantages that:

be equipped with and slow down the mechanism, can cushion its frame vibration amplitude when carrying out the absorbing to the front end of frame, the influence that will shake and lead to the fact the frame is in time revised, promote the stability of frame front end, the shock attenuation performance to slowing down the mechanism when avoiding vibrations to last to appear causes the influence, be equipped with quick detach mechanism, can carry out quick assembly disassembly with the frame with slowing down the mechanism, promote the dismouting convenience that slows down the mechanism, the mechanism that slows down all can carry out the dismouting change with quick detach mechanism's component part, avoid wholly scrapping, be equipped with shock absorber mechanism, can effectively prevent that the rear end of frame from appearing shaking by a wide margin, it carries out the shock attenuation with the mechanism that slows down jointly to the both ends of frame, the shock attenuation is effectual, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the combination of the retarding mechanism and the quick release mechanism of the present invention;

FIG. 3 is a schematic view of the quick release assembly of the present invention and the quick release positioning bolt.

In the figure: 1. a frame; 2. a shock-absorbing mounting block; 3. a damping spring; 4. a shock absorption connecting block; 5. a buffer column; 6. a quick-release mounting plate; 7. a quick-release sleeving block; 8. a quick-release positioning bolt; 9. a shock-absorbing hydraulic rod; 10. a shock absorbing spring; 11. a shock-absorbing support seat; 12. a rear wheel support; 13. driving the rear wheel; 14. a front wheel support bar; 15. Driving the front wheel; 16. front wheel disc brake; 17. a rear wheel disc brake; 18. a front lighting lamp; 19. a rear lighting lamp; 20. A handlebar; 21. a vehicle seat.

Detailed Description

The invention will be described in further detail with reference to the accompanying drawings,

the utility model provides an electric motor car with compound shock-absorbing structure, includes frame 1, frame 1 erects subaerial, and the both ends of frame 1 are front end and rear end respectively, still including being used for carrying out the speed reducing mechanism of shock attenuation buffering to the front end of frame 1, be used for to slow down the mechanism and carry out quick detach's quick detach mechanism with frame 1 and be used for preventing that the rear end of frame 1 from appearing the mechanism of moving away to avoid possible earthquakes of vibrations by a wide margin, slow down the mechanism and be located the front end of frame 1, quick detach mechanism is located and slows down between mechanism and the frame 1, and the mechanism of moving away to avoid possible earthquakes is located the rear end of frame 1, the utility model discloses overall structure schematic diagram is as shown in FIG. 1.

The mechanism of slowing down includes shock attenuation installation piece 2, damping spring 3 and shock attenuation connecting block 4, the assembly of shock attenuation installation piece 2 is at the front end of frame 1, damping spring 3 sets up at the lower extreme of shock attenuation installation piece 2 and its upper end and shock attenuation installation piece 2 fixed connection, shock attenuation connecting block 4 sets up at damping spring 3 the lower extreme and with damping spring 3 fixed connection, buffer gear passes through shock attenuation installation piece 2, damping spring 3 and the cooperation of shock attenuation connecting block 4, cushion it when carrying out the absorbing to frame 1 front end, wherein, shock attenuation installation piece 2 is used for providing the erection bracing for damping spring 3's one end, damping spring 3 is used for through its elastic construction of self passing through shock attenuation installation piece 2 and shock attenuation connecting block 4 and cushions frame 1 front end, shock attenuation connecting block 4 is used for providing the erection bracing and cushions it when carrying out the absorbing to frame 1 front end with shock attenuation installation piece 2 and damping spring 3 shock attenuation connecting block 2, and damping spring 3 shock attenuation connecting block 4 are used for being connected with the front wheel assembly with the mechanism of slowing down, the mechanism and the cooperation of quick detach is shown in fig. 2.

Still include buffering post 5, buffering post 5 is equipped with two, two buffering posts 5 set up relatively between shock attenuation installation piece 2 and shock attenuation connecting block 4 and two buffering posts 5 respectively with shock attenuation installation piece 2 and the 4 threaded connection of shock attenuation connecting block that correspond, two buffering posts 5 all are located damping spring 3's inboard and leave the space between the two one end that sets up relatively, slow down the mechanism and be equipped with two sets ofly, two sets of mechanism that slow down sets up at interval side by side, wherein, buffering post 5 is used for spacing through the stroke to shock attenuation installation piece 2 and shock attenuation connecting block 4, thereby cushion the mechanism that slows down in the shock attenuation process, buffering post 5 can restrict the range of vibration between shock attenuation installation piece 2 and the shock attenuation connecting block 4 among the shock attenuation process, thereby in time revise the influence that vibrations caused frame 1.

The quick-release mechanism comprises a quick-release mounting plate 6, quick-release sleeving blocks 7 and quick-release positioning bolts 8, wherein the quick-release mounting plate 6 is arranged at the upper end of a shock-absorbing mounting block 2 and is fixedly connected with the shock-absorbing mounting block 2, two groups of shock-absorbing mounting blocks 2 are symmetrically arranged at the bottom of the quick-release mounting plate 6, the quick-release sleeving blocks 7 are arranged in the middle of the upper end of the quick-release mounting plate 6 and are fixedly connected with the quick-release mounting plate 6, the quick-release sleeving blocks 7 are internally of a hollow structure, the quick-release positioning bolts 8 are arranged at the side parts of the quick-release sleeving blocks 7 and penetrate through the quick-release sleeving blocks 7 to be in threaded connection with the quick-release sleeving blocks 7, the shock-absorbing mounting blocks 2 are assembled at the front end of the frame 1 through the quick-release mechanism, and the quick-release mechanism is matched with the quick-release mounting plate 6, the quick-release sleeving blocks 7 and the quick-release positioning bolts 8, will slow down mechanism and frame 1's front end and front wheel assembly and carry out quick assembly disassembly and connection, wherein, quick detach mounting panel 6 is used for providing erection bracing for quick detach suit piece 7 and slow down the mechanism, quick detach suit piece 7 is used for cup jointing with the branch of frame 1 front end, thereby assemble with frame 1, quick detach positioning bolt 8 is used for carrying out relative positioning with quick detach suit piece 7 and frame 1, when needing to assemble quick detach mechanism and slow down the mechanism at the front end of frame 1, with quick detach suit piece 7 suit on the branch of frame 1 front end, later rotate quick detach positioning bolt 8, make its branch butt with frame 1 front end, can accomplish the assembly of quick detach mechanism and slow down mechanism and frame 1's front end, the utility model discloses suit quick detach piece 7 with quick detach positioning bolt 8 cooperation schematic diagram is shown in fig. 3.

The shock absorbing mechanism comprises a shock absorbing hydraulic rod 9, a shock absorbing spring 10 and a shock absorbing support seat 11, wherein the shock absorbing hydraulic rod 9 is arranged at the rear end of the frame 1, one end of the shock absorbing hydraulic rod is rotatably connected with the rear end of the frame 1, the shock absorbing spring 10 is sleeved outside the shock absorbing hydraulic rod 9, one end of the shock absorbing spring is fixedly connected with the side part of one end of the shock absorbing hydraulic rod 9 through a mounting seat, the shock absorbing support seat 11 is arranged at the side part of one end of the shock absorbing hydraulic rod 9 far away from the connection part of the shock absorbing hydraulic rod 9 and the shock absorbing spring 10 and is fixedly connected with the shock absorbing hydraulic rod 9, the shock absorbing support seat 11 is correspondingly arranged with the shock absorbing spring 10, the shock absorbing mechanism can effectively avoid the rear end of the frame 1 from generating large-amplitude shock through the cooperation of the shock absorbing hydraulic rod 9, the shock absorbing spring 10 and the shock absorbing support seat 11, wherein the shock absorbing hydraulic rod 9 is used for connecting the rear wheel assembly with the rear end of the frame 1, shock-absorbing spring 10 is arranged in providing the basis of moving away to avoid possible earthquakes for the rear end of frame 1 as the elastic construction in the mechanism of moving away to avoid possible earthquakes, shock-absorbing support seat 11 is used for the support basis of one end on as shock-absorbing hydraulic stem 9, through the cooperation of shock-absorbing support seat 11 and shock-absorbing spring 10, can effectively avoid the rear end of frame 1 to appear vibrations by a wide margin, when the road conditions of jolting are met in the electric motor car form in-process, shock-absorbing hydraulic stem 9 produces and stretches out and draws back, thereby change the interval between shock-absorbing spring 10 and the shock-absorbing support seat 11, when the rear end of frame 1 has the trend of vibrations by a wide margin to appear, the one end and the 11 butt of shock-absorbing spring 10, thereby prescribe a limit to the vibrations range of the rear end of frame 1, the interval between shock-absorbing spring 10 and the shock-absorbing support seat 11 can be adjusted according to actual conditions.

The rear wheel assembly comprises a rear wheel support 12 and a driving rear wheel 13, the rear wheel support 12 is arranged on the lower portion of the rear end of the frame 1, one end of the rear wheel support is fixedly connected with the frame 1, one end, far away from the frame 1, of the shock absorption hydraulic rod 9 is rotatably connected with the rear wheel support 12 through an installation block, the driving rear wheel 13 is arranged on one end, far away from the frame 1, of the rear wheel support 12 and is rotatably connected with the rear wheel support 12 through a bearing, the rear wheel assembly is matched with the driving rear wheel 13 through the rear wheel support 12 to form a rear wheel portion of the electric vehicle, wherein the rear wheel support 12 is used for providing installation support for the driving rear wheel 13 and connecting the driving rear wheel 13 with the frame 1, and the driving rear wheel 13 and the rear wheel support 12 are jointly used as a rear wheel portion of the electric vehicle.

The front wheel assembly comprises a front wheel support rod 14 and a driving front wheel 15, the front wheel support rod 14 is provided with two front wheel support rods 14, the two front wheel support rods 14 are respectively arranged at the bottoms of the two shock absorption connecting blocks 4 and are in threaded connection with the corresponding shock absorption connecting blocks 4, the driving front wheel 15 is arranged at one end, far away from the retarding mechanism, of the two front wheel support rods 14 and is in rotating connection with the front wheel support rod 14 through a bearing, the front wheel assembly is assembled at the front end of the frame 1 through the retarding mechanism and the quick-release mechanism, the front wheel assembly is matched with the driving front wheel 15 through the front wheel support rod 14 to form a front wheel part of the electric vehicle, the front wheel support rod 14 is used for providing mounting support for the driving front wheel 15 and connecting the driving front wheel 15 with the retarding mechanism, and the driving front wheel 15 is used for serving as the front wheel part of the electric vehicle together with the front wheel support rod 14.

Still include braking system, braking system includes that the front wheel dish is stopped 16 and the rear wheel dish is stopped 17, and the front wheel dish is stopped 16 and the rear wheel dish is stopped 17 and is disposed respectively in drive front wheel 15 and drive rear wheel 13 department, and wherein, the front wheel dish is stopped 16 and is used for carrying out the brake operation to drive front wheel 15, and the rear wheel dish is stopped 17 and is used for carrying out the brake operation to drive rear wheel 13.

Still include lighting system, lighting system includes headlamp 18 and back light 19, and headlamp 18 and back light 19 assemble respectively in the front end of frame 1 and the rear end of frame 1, and wherein, headlamp 18 is used for throwing light on the road conditions of frame 1 front end, and back light 19 is used for throwing light on the road conditions of frame 1 rear end to back light 19 has the warning effect to the rear.

The bicycle further comprises a handlebar 20 and a seat 21, wherein the handlebar 20 is assembled at the upper part of the front end of the frame 1, the seat 21 is assembled at the middle part of the frame 1, the direction of the front wheel assembly can be controlled through the handlebar 20 so as to control the advancing direction of the electric bicycle, and the seat 21 is used as a seat of the electric bicycle so as to provide a riding space for a driver.

The hydraulic shock absorption device comprises a frame 1, a quick-release sleeving block 7, a retarding mechanism and a quick-release mechanism, wherein the frame 1 is provided with a connecting hydraulic rod, the connecting hydraulic rod is arranged between the quick-release sleeving block 7 and the frame 1, two ends of the connecting hydraulic rod are respectively rotatably connected with the quick-release sleeving block 7 and the frame 1, the connecting hydraulic rod, the retarding mechanism and the quick-release mechanism jointly form a dual shock absorption structure, the influence of continuous shock on the frame 1 can be reduced when the electric vehicle encounters bumpy road conditions in the driving process, and therefore the driving stability of the electric vehicle is guaranteed.

Wherein, the inside of shock attenuation installation piece 2 and shock attenuation connecting block 4 in this scheme all is equipped with the screw thread through-hole, and its structure is similar with the nut.

The matching mode between the quick-release positioning bolt 8 and the quick-release sleeving block 7 as well as the strut at the front end of the frame 1 can be replaced by the mode that the quick-release positioning bolt 8 penetrates through the quick-release sleeving block 7 and the strut at the front end of the frame 1 to realize assembly.

The working principle is as follows:

carry out the shock attenuation through slowing down mechanism and shock attenuation mechanism to the front end and the rear end of frame 1, simultaneously under the effect of cushion column 5, slow down the mechanism and can cushion the vibrations of 1 front end of frame, in time revise the influence that will shake and lead to the fact frame 1, and slow down mechanism all can be changed in each part, avoid whole scrapping, the use is nimble, the cooperation mechanism of moving away to avoid earthquakes, effectively promote the stability of traveling of electric motor car in the road conditions of jolting, and shock attenuation mechanism can effectively avoid frame 1's rear end to appear shaking by a wide margin when meeting with the road conditions of jolting, be equipped with quick detach mechanism, can carry out quick dismouting with the front end and the front wheel assembly of slowing down mechanism and frame 1 through quick detach mechanism, the maintenance of the electric motor car of being convenient for.

The beneficial effects of the utility model are that be equipped with and slow down the mechanism, can cushion its frame vibration amplitude when carrying out the absorbing to the front end of frame, in time revise the influence that vibrations caused the frame, promote the stability of frame front end, the shock attenuation performance to slowing down the mechanism when avoiding vibrations persistence to appear causes the influence, be equipped with quick detach mechanism, can carry out quick assembly disassembly with the frame with slowing down the mechanism, promote the dismouting convenience that slows down the mechanism, the component part of slowing down mechanism and quick detach mechanism all can carry out the dismouting change, avoid wholly scrapping, be equipped with shock-proof mechanism, can prevent effectively that the rear end of frame from appearing shaking by a wide margin, it carries out the shock attenuation with the mechanism that slows down jointly to the both ends of frame, the shock attenuation is effectual, therefore, the clothes hanger is strong in practicability.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides an electric motor car with compound shock-absorbing structure, includes frame (1), frame (1) erects subaerial, the both ends of frame (1) are front end and rear end respectively, its characterized in that, still including be used for right the front end of frame (1) carries out the speed reducing mechanism that the shock attenuation was cushioned, be used for with speed reducing mechanism with frame (1) carries out quick assembly disassembly's quick detach mechanism and is used for preventing the rear end of frame (1) appears the mechanism of moving away to avoid possible earthquakes of vibrations by a wide margin, slows down the mechanism and is located the front end of frame (1), quick assembly mechanism be located slow down the mechanism with between frame (1), the mechanism of moving away to avoid possible earthquakes is located the rear end of frame (1).

2. An electric vehicle with a composite damping structure according to claim 1, characterized in that the damping mechanism comprises a damping mounting block (2), a damping spring (3) and a damping connecting block (4), the damping mounting block (2) is assembled at the front end of the vehicle frame (1), the damping spring (3) is arranged at the lower end of the damping mounting block (2) and the upper end thereof is fixedly connected with the damping mounting block (2), and the damping connecting block (4) is arranged at the lower end of the damping spring (3) and is fixedly connected with the damping spring (3).

3. The electric vehicle with the composite damping structure as claimed in claim 2, further comprising two buffering columns (5), wherein two buffering columns (5) are provided, two buffering columns (5) are oppositely arranged between the damping mounting block (2) and the damping connecting block (4) and two buffering columns (5) are respectively in threaded connection with the corresponding damping mounting block (2) and the damping connecting block (4), two buffering columns (5) are both located at the inner side of the damping spring (3) and a gap is left between the two oppositely arranged ends, two groups of retarding mechanisms are provided, and two groups of retarding mechanisms are arranged side by side at intervals.

4. The electric vehicle with a composite damping structure according to claim 3, wherein the quick release mechanism comprises a quick release mounting plate (6), a quick release sleeving block (7) and quick release positioning bolts (8), the quick release mounting plate (6) is disposed at the upper end of the quick release mounting block (2) and fixedly connected with the quick release mounting block (2), two groups of the quick release mounting blocks (2) are symmetrically arranged at the bottom of the quick release mounting plate (6), the quick release sleeving block (7) is disposed in the middle of the upper end of the quick release mounting plate (6) and fixedly connected with the quick release mounting plate (6), the quick release sleeving block (7) is hollow inside, the quick release positioning bolts (8) are disposed at the side of the quick release sleeving block (7) and penetrate through the quick release sleeving block (7) to be in threaded connection with the quick release sleeving block (7), and the quick release mounting block (2) is assembled at the front end of the vehicle frame (1) through the quick release mechanism.

5. The electric vehicle with a composite damping structure according to claim 4, wherein the damping mechanism comprises a damping hydraulic rod (9), a damping spring (10) and a damping support seat (11), the damping hydraulic rod (9) is disposed at the rear end of the frame (1) and one end of the damping hydraulic rod is rotatably connected to the rear end of the frame (1), the damping spring (10) is sleeved outside the damping hydraulic rod (9) and one end of the damping hydraulic rod is fixedly connected to one end side of the damping hydraulic rod (9) through a mounting seat, the damping support seat (11) is disposed at one end side of the damping hydraulic rod (9) far away from the joint of the damping spring (10) and fixedly connected to the damping hydraulic rod (9), and the damping support seat (11) is disposed corresponding to the damping spring (10).

6. The electric vehicle with the composite damping structure according to claim 5, further comprising a rear wheel assembly, wherein the rear wheel assembly comprises a rear wheel support (12) and a driving rear wheel (13), the rear wheel support (12) is arranged at the lower part of the rear end of the frame (1) and one end of the rear wheel support is fixedly connected with the frame (1), one end of the shock-absorbing hydraulic rod (9) far away from the frame (1) is rotatably connected with the rear wheel support (12) through a mounting block, and the driving rear wheel (13) is arranged at one end of the rear wheel support (12) far away from the frame (1) and is rotatably connected with the rear wheel support (12) through a bearing.

7. The electric vehicle with the composite shock absorption structure according to claim 6, further comprising a front wheel assembly, wherein the front wheel assembly comprises two front wheel support rods (14) and two driving front wheels (15), the two front wheel support rods (14) are respectively arranged at the bottoms of the two sets of shock absorption connection blocks (4) and are in threaded connection with the corresponding shock absorption connection blocks (4), the driving front wheels (15) are arranged at one ends, far away from the retarding mechanism, of the two front wheel support rods (14) and are in rotating connection with the front wheel support rods (14) through bearings, and the front wheel assembly is assembled at the front end of the vehicle frame (1) through the retarding mechanism and the quick release mechanism.

8. An electric vehicle with a composite damping structure according to claim 1, characterized in that it further comprises a braking system, which comprises a front wheel disc brake (16) and a rear wheel disc brake (17), wherein the front wheel disc brake (16) and the rear wheel disc brake (17) are respectively arranged at the front driving wheel (15) and the rear driving wheel (13).

9. An electric vehicle with a composite damping structure according to claim 1, characterized in that it further comprises a lighting system comprising a front lighting (18) and a rear lighting (19), said front lighting (18) and said rear lighting (19) being fitted respectively at the front end of said frame (1) and at the rear end of said frame (1).

10. An electric vehicle having a composite vibration damping structure according to claim 1, further comprising a handle bar (20) and a seat (21), wherein said handle bar (20) is fitted to an upper portion of a front end of said frame (1), and said seat (21) is fitted to a middle portion of said frame (1).