Anti-toppling device for electric vehicle
The anti-dumping device for electric vehicles addresses the tipping issue by using a frame, axle, and chassis bracket assembly with a rocker shaft for controlled tilting and damping, enhancing safety and stability.
Patent Information
- Application Number
- CN202411671305.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-01-03
AI Technical Summary
Electric vehicles with small wheelbases and high centers of gravity are prone to tipping over due to complex road conditions, posing safety hazards to drivers and vehicles.
An anti-dumping device comprising a frame, axle assembly, and chassis bracket assembly, with a rocker shaft allowing movable adjustment and limiting operations, and damping shock-absorbing features to prevent tilting.
The device stabilizes electric vehicles by allowing controlled tilting and limiting movements, preventing rollover incidents and enhancing safety.
Smart Images

Figure CN119239815A_ABST
Abstract
Description
Technical Field
[0001] The invention 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 its strong applicability, flexible excitement, simple maintenance, convenient repair, low price and other characteristics, it is widely used in family, urban and rural, individual rental and other short-distance transportation fields. Existing fuel tricycles, electric tricycles, electric leisure vehicles, electric power-assisted vehicles, and electric bicycles have small wheelbases and high centers of gravity due to their structural reasons. During driving, the road conditions are complex and changeable. During driving or turning, due to the high center of gravity and short wheelbase, it is easy to cause the vehicle to roll over, causing safety hazards to the driver, affecting the safety of the driver and the vehicle, and posing safety and traffic safety hazards. Summary of the invention
[0003] Purpose of the invention: 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 via U-bolts, a pressure plate and screws; there are multiple U-bolts, and a predetermined working distance is left between the multiple U-bolts; a plurality of through holes are provided on the working surface of the pressure plate, and there are multiple screws, which are connected to the U-bolts via the through holes provided on the pressure plate.
[0006] In a further embodiment, a rocker arm bracket, a limit bracket, a fixed bracket and a damping shock-absorbing bracket are welded on the frame assembly; the rocker arm bracket and the limit bracket both have predetermined operating dimensions and supporting forces, and are provided with grooves of predetermined operating dimensions, and are welded and connected to the frame assembly, so as to perform corresponding supporting and limiting operations; the fixed bracket is hollow and has a predetermined operating length, and is welded in the grooves of the rocker arm bracket and the limit bracket; the damping shock-absorbing bracket is sleeved on the outside of the fixed bracket, so as 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 fixed bracket to perform corresponding limiting and buffering operations.
[0008] In a further embodiment, a damping shock absorbing fixed lug is provided on the working surface of the chassis bracket assembly, and the damping shock absorbing fixed lug is connected to a damping shock absorbing spring by bolts; the other end of the damping shock absorbing spring is connected to the frame assembly by bolts; and there are multiple damping shock absorbing fixed 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 of electric vehicles, including 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 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. The present invention realizes the left and right tilting operation of the vehicle through the provided rocker shaft, and can realize limiting and over-cutting through the cooperation and limiting of the provided axle assembly, thereby realizing anti-dumping. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall component decomposition of the present invention.
[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 present invention.
[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 absorbing 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 absorbing bracket 19, damping shock absorbing fixing ear 20. DETAILED DESCRIPTION
[0015] In the following description, a large number of specific details are provided to provide a more thorough understanding of the present invention. However, it is apparent to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features well known in the art are not described.
[0016] The applicant believes that the existing fuel tricycles, electric tricycles, electric leisure vehicles, electric power-assisted vehicles, and electric bicycles have a small wheelbase and a high center of gravity due to their structural reasons. During driving, the road conditions are complex and changeable. When driving or turning, the high center of gravity and short wheelbase can easily cause the vehicle to roll over, posing a safety hazard to the driver, affecting the safety of the driver and the vehicle, and posing a traffic safety hazard.
[0017] To this end, the applicant designed an anti-dumping device for electric vehicles, which realizes the left and right tilting operation of the vehicle through the provided rocker arm shaft, and through the coordination and limitation of the provided axle assembly, it can achieve limitation and excessive cutting to achieve anti-dumping.
[0018] The anti-dumping device of the electric vehicle involved in the present invention mainly includes a frame, an axle assembly 2 and a chassis bracket assembly 3; the frame has a predetermined working length and supporting force, and can perform corresponding limiting bearing and connection operations; the axle assembly 2 is connected to the frame and has a rocker shaft 10, and the rocker shaft 10 is movably connected to the axle assembly 2, and can perform a predetermined range of movable adjustment operations; the chassis bracket assembly 3 is connected to the axle assembly 2, has a predetermined working 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 through U-bolts 4, a pressure plate 5 and an M10 screw 6; there are multiple U-bolts 4, and a predetermined working distance is left between the multiple U-bolts 4; the working surface of the pressure plate 5 is provided with multiple through holes, and the M10 screws 6 are multiple, and 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 absorbing bracket 19; the rocker bracket 12 and the limit bracket 13 both have a predetermined operating size and supporting force, and are provided with a groove of a predetermined operating size, and are welded to the frame assembly 1, and can perform corresponding supporting and limiting operations; the fixed bracket 14 is hollow and has a predetermined operating length, and is welded in the grooves of the rocker bracket 12 and the limit bracket 13; the damping shock absorbing bracket 19 is sleeved on the outside of the fixed bracket 14, and can 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, which can perform corresponding limit and buffer operations. The working surface of the chassis bracket assembly 3 is provided with a damping and shock absorbing fixed hanging ear 20, and the damping and shock absorbing fixed hanging ear 20 is connected with a damping and shock absorbing spring 9 through an M8 bolt 8; the other end of the damping and shock absorbing spring 9 is connected to the frame assembly 1 through an M8 bolt 8; the damping and shock absorbing fixed hanging ear 20 and the damping and shock absorbing spring 9 are both multiple. The rocker arm shaft 10 is connected to the fixed bracket 14 through a bearing, has a predetermined working length and supporting force, and can perform corresponding positioning and supporting operations.
[0019] In a further preferred embodiment, the entire structure mainly consists of three parts: 1. a vehicle frame; 2. an axle assembly 2; and 3. a chassis bracket assembly 3.
[0020] The chassis bracket assembly 3 and the axle assembly 2 are fixed into a whole with U-shaped wire, pressure plate 5 and M10 screw 6. The rocker arm bracket 12, limit bracket 13, fixed bracket 14, damping shock absorbing bracket 19, axle assembly 2 and chassis bracket assembly 3 are welded on the frame assembly 1. After being fixed together, they are fixed together with the frame assembly 1 through the rocker arm shaft 10 and nut 15, and then the damping shock absorbing spring 9 is respectively installed, and the frame assembly 1, axle assembly 2 and chassis bracket assembly 3 are linked through M8 bolts 8 and M8 nuts 17 to form an integral structure.
[0021] 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.
[0022] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be construed 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 perform a movable adjustment operation 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 limit bracket, a fixed bracket and a damping shock absorbing bracket; the rocker arm bracket and the limit bracket both have predetermined operating dimensions and supporting forces, and are provided with grooves of predetermined operating dimensions, and are welded and connected to the frame assembly, so as to perform corresponding supporting and limiting operations; the fixed bracket is hollow and has a predetermined operating length, and is welded in the grooves of the rocker arm bracket and the limit bracket; the damping shock absorbing bracket is sleeved on the outside of the fixed bracket, so as 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 fixed 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 fixed lug, and the damping shock absorbing fixed lug is connected with a damping shock absorbing spring through bolts; the other end of the damping shock absorbing spring is connected to the frame assembly through bolts; the damping shock absorbing fixed 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 via a bearing, has a predetermined operating length and supporting force, and can perform corresponding positioning and supporting operations.
