CN219524140U

CN219524140U - Damping device for electric vehicle

Info

Publication number: CN219524140U
Application number: CN202320402567.6U
Authority: CN
Inventors: 吴娟; 袁奕; 邹强斌
Original assignee: Suzhou Yili Intelligent Technology Co ltd
Current assignee: Suzhou Yili Intelligent Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-15
Anticipated expiration: 2033-03-07

Abstract

The utility model belongs to the technical field of electric vehicle vibration reduction, and particularly relates to an electric vehicle vibration reduction device which comprises a mounting plate, a handlebar connecting rod and two vibration absorbers, wherein an upper vibration reduction assembly is arranged between the mounting plate and the handlebar connecting rod, a lower vibration reduction assembly is arranged between the vibration absorbers and the mounting plate, the two vibration absorbers are rotatably connected with the same rotating shaft, and a front wheel is fixedly sleeved on the outer side of the rotating shaft. The utility model has reasonable structural design, better damping effect of the device due to the matching of the lower damping component and the upper damping component, and the plurality of springs are arranged, so that the elasticity born by each spring is reduced, the springs are not in an extended or compressed fatigue state for a long time, the springs can be guided, the springs are not easy to laterally move to damage, and the service life of the damping device is prolonged.

Description

Damping device for electric vehicle

Technical Field

The utility model relates to the technical field of electric vehicle damping, in particular to an electric vehicle damping device.

Background

Electric vehicles, i.e. electrically driven vehicles, are also known as electrically driven vehicles. Electric vehicles are classified into ac electric vehicles and dc electric vehicles. In general, an electric vehicle uses a battery as an energy source, and converts electric energy into mechanical energy to move through a controller, a motor and other components, so as to control the current magnitude and change the speed. The electric vehicle damping device is mainly used for inhibiting vibration and impact from the road surface when the spring rebounds after absorbing the vibration. While the shock absorbing spring can filter the shock of road surface when passing over uneven road surface, the spring itself can reciprocate, and the shock absorber is used to restrain the spring from jumping. And (3) searching: an electric vehicle damping device with the authorized publication number of CN208074082U comprises a spring, an upper connecting ring, a lower connecting ring, a guide seat, a damping cylinder, a base, a hydraulic inner rod, a bracket, a damping cap and a cushion pad; the damping cap comprises a damping cylinder, a base, a hydraulic inner rod, a damping cap, a damping ring, a spring, a cushion, an upper connecting ring and a lower connecting ring, wherein one end of the damping cylinder is connected with the base, the other end of the damping cylinder is connected with the bracket through the hydraulic inner rod, the spring is arranged between the base and the bracket, the cushion is arranged between the spring and the bracket, the cushion is fixed on the hydraulic inner rod, the upper connecting ring is arranged on the bracket, and the lower connecting ring is arranged on the damping cap.

However, the electric vehicle damping device has the defects that the conventional damper mainly realizes damping through one spring, so that the damping effect is poor, the single spring is easy to shift in the lateral direction, the spring is damaged, and the service life of the damper is shortened.

Disclosure of Invention

The utility model aims to solve the defects, and provides the damping device for the electric vehicle.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an electric motor car damping device, includes mounting panel, handlebar connecting rod and two bumper shock absorbers, be provided with damper between mounting panel and the handlebar connecting rod, be provided with damper down between bumper shock absorber and the mounting panel, rotate between two bumper shock absorbers and be connected with same axis of rotation, the fixed cover in the outside of axis of rotation is equipped with the front wheel.

Preferably, the upper damping component comprises a damping cylinder fixedly connected to the top of the mounting plate, a damper and two first springs are fixedly connected to the inner wall of the bottom of the damping cylinder, the same lifting plate is fixedly connected to the top ends of the damper and the first springs, and the handlebar connecting rod is fixedly connected to the top of the lifting plate.

Preferably, the through hole is offered at the top of damper, handlebar connecting rod slip cap is established in the through hole, lifter plate slip cap is established in damper.

Preferably, the lower damping component comprises a movable rod fixedly connected to the bottom of the mounting plate and a second spring fixedly connected between the damper and the mounting plate, a rubber pad is fixedly connected to the inner wall of the bottom of the damper, a third spring and four rubber columns are fixedly connected to the top of the rubber pad, the same sliding plate is fixedly connected to the top ends of the third spring and the four rubber columns, the sliding plate is fixedly connected to the bottom end of the movable rod, and the same fourth spring is fixedly connected to the top of the sliding plate and the inner wall of the top of the damper.

Preferably, the sliding damping sleeve of the sliding plate is arranged in the shock absorber, and the spring IV and the spring II are both arranged on the outer side of the movable rod in a sleeved mode.

Preferably, one side of the shock absorber is fixedly connected with an oil injection pipe, and a sealing cover is sleeved on the outer side of the oil injection pipe in a threaded manner.

Preferably, the bottom fixedly connected with two guide cylinders of mounting panel, the fixed connecting block in top of bumper shock absorber has the sleeve, and two guide cylinders are established in corresponding sleeve in the slip cap respectively.

Preferably, the bearing seats are fixedly connected to one sides, close to each other, of the shock absorbers, bearings are fixedly connected to the bearing seats, and the rotating shaft is fixedly sleeved in the inner rings of the two bearings.

According to the electric vehicle damping device, the lower damping assembly is formed by arranging the second spring, the third spring, the fourth spring, the rubber column, the rubber pad and lubricating oil in the damper, so that the purpose of damping vibration can be achieved in multiple stages, the damping vibration damping effect is better, the plurality of springs are arranged, the elastic force born by each spring is reduced, the springs are not in an extended or compressed fatigue state for a long time, the second spring and the fourth spring can be guided and limited through the arrangement of the movable rod, the guide cylinder and the sleeve, side shifting is not easy to occur, damage is caused to the springs, and the service life of the damping device is prolonged;

according to the electric vehicle damping device, the upper damping component is formed by the damping cylinder, the damper, the first spring and the lifting plate, so that vibration can be damped and damped again, the vibration is prevented from being transmitted to hands of a person, and the damping effect of the device is better through the cooperation of the lower damping component and the upper damping component;

the utility model has reasonable structural design, better damping effect of the device due to the matching of the lower damping component and the upper damping component, and the plurality of springs are arranged, so that the elasticity born by each spring is reduced, the springs are not in an extended or compressed fatigue state for a long time, the springs can be guided, the springs are not easy to laterally move to damage, and the service life of the damping device is prolonged.

Drawings

FIG. 1 is a schematic diagram of a shock absorbing device for an electric vehicle according to the present utility model;

FIG. 2 is a cross-sectional view of an electric vehicle shock absorber according to the present utility model;

fig. 3 is a schematic structural diagram of a portion a of a damping device for an electric vehicle according to the present utility model.

In the figure: 1. a mounting plate; 2. a shock absorbing cylinder; 3. a connecting rod; 4. a guide cylinder; 5. a sleeve; 6. a filler pipe; 7. sealing cover; 8. a bearing seat; 9. a damper; 10. a bearing; 11. a rotating shaft; 12. a front wheel; 13. a lifting plate; 14. a first spring; 15. a damper; 16. a movable rod; 17. a second spring; 18. a spring IV; 19. a third spring; 20. a rubber pad; 21. a rubber column; 22. and (3) a sliding plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an electric vehicle damping device comprises a mounting plate 1, a handlebar connecting rod 3 and two dampers 9, wherein an upper damping component is arranged between the mounting plate 1 and the handlebar connecting rod 3, a lower damping component is arranged between the dampers 9 and the mounting plate 1, the two dampers 9 are rotationally connected with the same rotating shaft 11, and a front wheel 12 is fixedly sleeved on the outer side of the rotating shaft 11.

In the utility model, the upper damping component comprises the damping cylinder 2 fixedly connected to the top of the mounting plate 1, the damper 15 and the two first springs 14 are fixedly connected to the inner wall of the bottom of the damping cylinder 2, the same lifting plate 13 is fixedly connected to the top ends of the damper 15 and the two first springs 14, the handlebar connecting rod 3 is fixedly connected to the top of the lifting plate 13, and meanwhile, the purpose of re-damping can be achieved through the arrangement of the damper 15 and the first springs 14, and vibration is prevented from being transmitted to hands of people.

In the utility model, the through hole is arranged at the top of the shock absorption cylinder 2, the handlebar connecting rod 3 is sleeved in the through hole in a sliding way, and the lifting plate 13 is sleeved in the shock absorption cylinder 2 in a sliding way, so that the handlebar connecting rod 3 and the lifting plate 13 are conveniently guided, and the movement of the handlebar connecting rod is more stable.

In the utility model, the lower damping component comprises a movable rod 16 fixedly connected to the bottom of the mounting plate 1 and a second spring 17 fixedly connected between the damper 9 and the mounting plate 1, a rubber pad 20 is fixedly connected to the inner wall of the bottom of the damper 9, a third spring 19 and four rubber columns 21 are fixedly connected to the top of the rubber pad 20, the same sliding plate 22 is fixedly connected to the top ends of the third spring 19 and the four rubber columns 21, the sliding plate 22 is fixedly connected to the bottom end of the movable rod 16, the top of the sliding plate 22 and the same fourth spring 18 are fixedly connected to the inner wall of the top of the damper 9, the purpose of primary damping can be achieved through the arrangement of the rubber pad 20, the third spring 19 and the rubber columns 21, meanwhile, the movable rod 16 and the sliding plate 22 slide up and down in the damper 9 and squeeze lubricating oil, the damping and damping effects can be opened, meanwhile, the second spring 17 and the fourth spring 18 are driven to deform, and vibration can be damped again.

In the utility model, the sliding plate 22 is sleeved in the shock absorber 9 in a sliding damping manner, the spring IV 18 and the spring II 17 are sleeved outside the movable rod 16, so that the spring IV 18 and the spring II 17 can be conveniently guided, and meanwhile, the sliding plate 22 can be subjected to damping guiding.

In the utility model, one side of the shock absorber 9 is fixedly connected with the filler pipe 6, and the outer side of the filler pipe 6 is sleeved with the sealing cover 7 by screw threads, so that lubricating oil can be conveniently added.

According to the utility model, the bottom of the mounting plate 1 is fixedly connected with two guide cylinders 4, the top of the shock absorber 9 is fixedly connected with a sleeve 5, the two guide cylinders 4 are respectively sleeved in the corresponding sleeves 5 in a sliding manner, so that the spring II 17 is conveniently guided, and the situation of lateral movement is avoided.

In the utility model, the bearing seats 8 are fixedly connected to one sides of the shock absorbers 9, which are close to each other, the bearings 10 are fixedly connected in the bearing seats 8, and the rotating shafts 11 are fixedly sleeved in the inner rings of the two bearings 10, so that the rotating shafts 11 are conveniently supported, and the rotation of the rotating shafts is more stable.

In the utility model, when in use, the damping device is arranged together with the handle bars and other parts of the electric vehicle in advance, when jolting, the purpose of primary damping and damping can be achieved through the arrangement of the rubber pad 20, the spring III 19 and the rubber column 21, meanwhile, the movable rod 16 and the sliding plate 22 slide up and down in the damper 9 and squeeze lubricating oil, so that the damping and damping effects can be opened, meanwhile, the movable rod 16 and the sliding plate 22 lift to drive the spring II 17 and the spring IV 18 to deform, further, the vibration can be damped and damped again, meanwhile, the purpose of re-damping can be achieved through the arrangement of the damper 15 and the spring I14, further, the damping effect is better through the arrangement of the multistage damping and damping, and the simultaneous use of a plurality of springs is realized, the spring born by each spring is reduced, the spring is not in a long-term extension or compression fatigue state, the spring II 17 and the spring IV 18 can be guided and limited through the arrangement of the movable rod 16, the guide cylinder 4 and the sleeve 5, the spring II and the spring IV 18 are not easy to move sideways, so that damage to the spring is avoided, and the service life of the damping device is prolonged.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an electric motor car damping device, its characterized in that includes mounting panel (1), handlebar connecting rod (3) and two bumper shock absorbers (9), be provided with damper between mounting panel (1) and handlebar connecting rod (3), be provided with damper down between bumper shock absorber (9) and mounting panel (1), rotate between two bumper shock absorbers (9) and be connected with same axis of rotation (11), the fixed cover in the outside of axis of rotation (11) is equipped with front wheel (12).

2. The electric vehicle damping device according to claim 1, wherein the upper damping component comprises a damping cylinder (2) fixedly connected to the top of the mounting plate (1), a damper (15) and two first springs (14) are fixedly connected to the inner wall of the bottom of the damping cylinder (2), the same lifting plate (13) is fixedly connected to the top ends of the damper (15) and the two first springs (14), and the handlebar connecting rod (3) is fixedly connected to the top of the lifting plate (13).

3. The electric vehicle damping device according to claim 2, wherein a through hole is formed in the top of the damping cylinder (2), the handlebar connecting rod (3) is slidably sleeved in the through hole, and the lifting plate (13) is slidably sleeved in the damping cylinder (2).

4. The electric vehicle damping device according to claim 1, wherein the lower damping component comprises a movable rod (16) fixedly connected to the bottom of the mounting plate (1) and a second spring (17) fixedly connected between the damper (9) and the mounting plate (1), a rubber pad (20) is fixedly connected to the inner wall of the bottom of the damper (9), a third spring (19) and four rubber columns (21) are fixedly connected to the top of the rubber pad (20), the same sliding plate (22) is fixedly connected to the top of the third spring (19) and the top of the four rubber columns (21), the sliding plate (22) is fixedly connected to the bottom end of the movable rod (16), and the same fourth spring (18) is fixedly connected to the top of the sliding plate (22) and the inner wall of the top of the damper (9).

5. The electric vehicle damping device according to claim 4, wherein the sliding plate (22) is sleeved in the damper (9) in a sliding damping manner, and the spring IV (18) and the spring II (17) are sleeved on the outer side of the movable rod (16).

6. The electric vehicle damping device according to claim 1, characterized in that one side of the damper (9) is fixedly connected with an oil filler pipe (6), and a sealing cover (7) is sleeved on the outer side thread of the oil filler pipe (6).

7. The electric vehicle damping device according to claim 1, wherein the bottom of the mounting plate (1) is fixedly connected with two guide cylinders (4), a sleeve (5) is fixedly connected to the top of the damper (9), and the two guide cylinders (4) are respectively and slidably sleeved in the corresponding sleeve (5).

8. The electric vehicle damping device according to claim 1, wherein the side of the damper (9) close to each other is fixedly connected with a bearing seat (8), a bearing (10) is fixedly connected in the bearing seat (8), and the rotating shaft (11) is fixedly sleeved in the inner rings of the two bearings (10).