Anti-toppling device for electric vehicle
By designing anti-tilt devices for the frame, axle assembly and chassis bracket assembly, the rollover problem caused by the small wheelbase of the small center of gravity of the electric vehicle is solved, and the stability and safety of the vehicle are improved.
Patent Information
- Application Number
- CN202422843920.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Due to structural reasons, existing electric vehicles have small wheel distances and high center of gravity, which are prone to overturning during driving, which poses safety hazards.
An anti-tilt device is designed, including a frame, axle assembly and a chassis bracket assembly. Through the cooperation of the rocker arm axle and the limit bracket, the left and right tilt adjustment and limit of the vehicle are achieved to prevent the vehicle from tilting.
Effectively prevent electric vehicles from overturning during driving and improve the safety of drivers and passengers and vehicles.
Smart Images

Figure CN223237822U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of auxiliary mechanisms of electric vehicles, and in particular to an anti-dumping device for electric vehicles. Background Art
[0002] With the development of electric vehicles, society's demand for electric vehicles is becoming more and more diversified. There are various electric vehicles on the market now. With their strong applicability, excitation and flexibility, simple maintenance, easy repair, and low price, they are widely used in short-distance transportation fields such as families, urban and rural areas, and individual rentals. Existing fuel tricycles, electric tricycles, electric leisure vehicles, electric power-assisted bicycles, and electric bicycles have small wheelbases and high centers of gravity due to their structural reasons. When driving on complex and changeable road conditions or when turning, due to the high center of gravity and short wheelbase, the vehicle can easily roll over, posing a safety hazard to the driver, affecting the safety of the driver and the vehicle, and posing a traffic safety hazard. Utility Model Content
[0003] Purpose of the utility model: to provide an anti-dumping device for an electric vehicle to solve the above-mentioned problems existing in the prior art.
[0004] Technical solution: An anti-dumping device for an electric vehicle, comprising a frame, an axle assembly and a chassis bracket assembly; the frame has a predetermined operating length and supporting force, and can perform corresponding limiting load-bearing and connection operations; the axle assembly is connected to the frame and has a rocker shaft, and the rocker shaft is movably connected to the axle assembly and can perform movable adjustment operations within a predetermined range; the chassis bracket assembly is connected to the axle assembly, has a predetermined operating length and supporting force, and can perform corresponding limiting and supporting operations on the rocker shaft.
[0005] In a further embodiment, the chassis bracket assembly is connected to the axle assembly through U-bolts, a pressure plate and screws; there are multiple U-bolts, and a predetermined working distance is left between the multiple U-bolts; the working surface of the pressure plate is provided with multiple through holes, and there are multiple screws, which are connected to the U-bolts through the through holes provided on the pressure plate.
[0006] In a further embodiment, a rocker arm bracket, a limiting bracket, a fixed bracket and a damping shock-absorbing bracket are welded to the frame assembly; the rocker arm bracket and the limiting bracket both have predetermined operating dimensions and supporting forces, and are provided with grooves of predetermined operating dimensions, and are welded to the frame assembly to perform corresponding supporting and limiting operations; the fixed bracket is hollow and has a predetermined operating length, and is welded to the grooves of the rocker arm bracket and the limiting bracket; the damping shock-absorbing bracket is sleeved on the outside of the fixing bracket to perform corresponding connection and positioning operations.
[0007] In a further embodiment, the axle assembly is welded to the frame assembly, and a limiting buffer pad is provided on the working surface of the fixing bracket to perform corresponding limiting and buffering operations.
[0008] In a further embodiment, the working surface of the chassis bracket assembly is provided with a damping shock-absorbing fixing lug, and the damping shock-absorbing fixing lug is connected to a damping shock-absorbing spring by a bolt; the other end of the damping shock-absorbing spring is connected to the frame assembly by a bolt; and there are multiple damping shock-absorbing fixing lugs and damping shock-absorbing springs.
[0009] In a further embodiment, the rocker arm shaft is connected to the fixed bracket via a bearing, has a predetermined operating length and supporting force, and can perform corresponding positioning and supporting operations.
[0010] Beneficial effects: The present invention relates to an anti-dumping device for electric vehicles, and relates to the field of auxiliary mechanisms for electric vehicles, including a vehicle frame, an axle assembly, and a chassis bracket assembly; the vehicle frame has a predetermined operating length and supporting force, and can perform corresponding position limiting, bearing, and connection operations; the axle assembly is connected to the vehicle frame and has a rocker shaft, and the rocker shaft is movably connected to the axle assembly and can perform movable adjustment operations within a predetermined range; the chassis bracket assembly is connected to the axle assembly, has a predetermined operating length and supporting force, and can perform corresponding position limiting and supporting operations on the rocker shaft. The present invention realizes left and right tilting operations of the vehicle through the provided rocker shaft, and through the coordination and position limiting of the provided axle assembly, can realize position limiting and over-cutting, thereby achieving anti-dumping. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall components of the utility model.
[0012] Figure 2 It is another perspective schematic diagram of the present invention.
[0013] Figures 3 to 5 It is a schematic diagram of different operating states of the utility model.
[0014] The reference numerals in the figure are: frame assembly 1, axle assembly 2, chassis bracket assembly 3, U-bolt 4, pressure plate 5, M10 screw 6, limit buffer pad 7, M8 bolt 8, damping shock absorber spring 9, rocker arm shaft 10, first bearing 11, rocker arm bracket 12, limit bracket 13, fixing bracket 14, nut 15, second bearing 16, M8 nut 17, damping shock absorber bracket 19, damping shock absorber fixing ear 20. DETAILED DESCRIPTION
[0015] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with the present invention.
[0016] The anti-tilt device of the electric vehicle proposed in this embodiment includes a vehicle frame, an axle assembly 2, and a chassis bracket assembly 3; the vehicle frame has a predetermined operating length and supporting force, and can perform corresponding limiting bearing and connection operations; the axle assembly 2 is connected to the vehicle frame and has a rocker shaft 10, which is movably connected to the axle assembly 2 and can perform movable adjustment operations within a predetermined range; the chassis bracket assembly 3 is connected to the axle assembly 2, has a predetermined operating length and supporting force, and can perform corresponding limiting and supporting operations on the rocker shaft 10. The chassis bracket assembly 3 is connected to the axle assembly 2 by U-bolts 4, a pressure plate 5, and M10 screws 6; there are multiple U-bolts 4, and a predetermined operating distance is left between the multiple U-bolts 4; the working surface of the pressure plate 5 is provided with multiple through holes, and there are multiple M10 screws 6, which are connected to the U-bolts 4 through the through holes provided on the pressure plate 5. The frame assembly 1 is welded with a rocker bracket 12, a limit bracket 13, a fixed bracket 14, and a damping shock absorber bracket 19. The rocker bracket 12 and the limit bracket 13 each have predetermined operating dimensions and support forces, and are provided with grooves of predetermined operating dimensions. They are welded to the frame assembly 1 to perform corresponding support and limiting operations. The fixed bracket 14 is hollow and has a predetermined operating length, and is welded within the grooves of the rocker bracket 12 and the limit bracket 13. The damping shock absorber bracket 19 is sleeved onto the outside of the fixed bracket 14 to perform corresponding connection and positioning operations. The axle assembly 2 is welded to the frame assembly 1, and the working surface of the fixed bracket 14 is provided with a limit buffer pad 7 to perform corresponding limiting and buffering operations. The working surface of the chassis bracket assembly 3 is provided with a damping and shock-absorbing fixing lug 20, which is connected to a damping and shock-absorbing spring 9 via an M8 bolt 8. The other end of the damping and shock-absorbing spring 9 is connected to the vehicle frame assembly 1 via an M8 bolt 8. There are multiple damping and shock-absorbing fixing lugs 20 and multiple damping and shock-absorbing springs 9. The rocker arm shaft 10 is connected to the fixed bracket 14 via a bearing and has a predetermined working length and support force, enabling corresponding positioning and support operations.
[0017] In a further preferred embodiment, the entire structure mainly consists of three parts: 1. the vehicle frame; 2. the axle assembly 2; and 3. the chassis bracket assembly 3.
[0018] The chassis bracket assembly 3 and axle assembly 2 are fixed together using U-shaped wire, pressure plate 5, and M10 screws 6. The rocker arm bracket 12, limit bracket 13, fixed bracket 14, damping and shock absorber bracket 19, axle assembly 2, and chassis bracket assembly 3 are welded to the frame assembly 1. Once secured together, they are secured to the frame assembly 1 using the rocker arm shaft 10 and nut 15. The damping and shock absorber springs 9 are then installed separately. The frame assembly 1, axle assembly 2, and chassis bracket assembly 3 are then connected using M8 bolts 8 and M8 nuts 17 to form a single unit.
[0019] In the present invention, the frame assembly 1 is tilted left and right by the rocker shaft 10 , and the limiting bracket 13 is used to limit the position and over-cut the tilt, thereby preventing the vehicle from tipping over.
[0020] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes may be made to it in form and detail without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims
1. An anti-dumping device for an electric vehicle, characterized in that: It includes a vehicle frame, an axle assembly and a chassis bracket assembly; the vehicle frame has a predetermined operating length and supporting force, and can perform corresponding limited load bearing and connection operations; The axle assembly is connected to the vehicle frame and has a rocker shaft, and the rocker shaft is movably connected to the axle assembly and can be adjusted within a predetermined range; The chassis bracket assembly is connected to the axle assembly, has a predetermined operating length and supporting force, and can perform corresponding limiting and supporting operations on the rocker arm shaft.
2. The anti-dumping device for an electric vehicle according to claim 1, characterized in that: The chassis bracket assembly is connected to the axle assembly through U-bolts, a pressure plate and screws; there are multiple U-bolts, and a predetermined working distance is left between the multiple U-bolts; the working surface of the pressure plate is provided with multiple through holes, and there are multiple screws, which are connected to the U-bolts through the through holes provided on the pressure plate.
3. The anti-dumping device for an electric vehicle according to claim 2, characterized in that: The frame assembly is welded with a rocker arm bracket, a limiting bracket, a fixed bracket and a damping shock-absorbing bracket; the rocker arm bracket and the limiting bracket both have predetermined operating dimensions and supporting forces, and are provided with grooves of predetermined operating dimensions, and are welded to the frame assembly to perform corresponding supporting and limiting operations; the fixed bracket is hollow and has a predetermined operating length, and is welded to the grooves of the rocker arm bracket and the limiting bracket; the damping shock-absorbing bracket is sleeved on the outside of the fixing bracket to perform corresponding connection and positioning operations.
4. The anti-dumping device for an electric vehicle according to claim 3, characterized in that: The axle assembly is welded to the frame assembly, and a limiting buffer pad is provided on the working surface of the fixing bracket to perform corresponding limiting and buffering operations.
5. The anti-dumping device for an electric vehicle according to claim 2, characterized in that: The working surface of the chassis bracket assembly is provided with a damping shock-absorbing fixing lug, and the damping shock-absorbing fixing lug is connected to a damping shock-absorbing spring through a bolt; the other end of the damping shock-absorbing spring is connected to the frame assembly through a bolt; the damping shock-absorbing fixing lug and the damping shock-absorbing spring are both multiple.
6. The anti-dumping device for an electric vehicle according to claim 3, characterized in that: The rocker arm shaft is connected to the fixed bracket through a bearing, has a predetermined operating length and supporting force, and can perform corresponding positioning and supporting operations.