CN216733763U - Shock attenuation electric motor car rear axle - Google Patents
Shock attenuation electric motor car rear axle Download PDFInfo
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- CN216733763U CN216733763U CN202220452279.7U CN202220452279U CN216733763U CN 216733763 U CN216733763 U CN 216733763U CN 202220452279 U CN202220452279 U CN 202220452279U CN 216733763 U CN216733763 U CN 216733763U
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- rear axle
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Abstract
The utility model discloses a damping electric vehicle rear axle, and belongs to the technical field of electric vehicle accessories. The electric vehicle rear axle comprises an electric vehicle rear axle body, wherein a driving motor is connected to the electric vehicle rear axle body; the rear axle body of the electric vehicle is symmetrically and fixedly connected with a connecting seat, the connecting seat is fixedly connected with a plurality of damping plates through a pressing seat, and the damping plates are fixedly connected between the connecting seat and the pressing seat; the pressing seat is fixedly connected with a fixing frame of an inverted U-shaped structure, the fixing frame is movably connected with a pressing plate, and the fixing frame is movably connected with an elastic component; the elastic component comprises a rod body, one end of the rod body is fixedly connected with the pressing plate, the surface of the rod body is connected with a spring, and the upper end of the rod body is fixedly connected with a mounting seat. According to the utility model, the elastic component is arranged on the damping plate, so that a better damping effect is achieved, and the problem of poor damping effect of the rear axle of the electric vehicle is solved.
Description
Technical Field
The utility model relates to the technical field of electric vehicle accessories, in particular to a damping electric vehicle rear axle.
Background
The rear axle is a rear driving shaft component for power transmission of the vehicle. It is composed of two half-bridges, and can implement half-bridge differential motion. It is also a device for supporting the wheels and connecting the rear wheels. The rear axle of the electric vehicle comprises two half bridges, a differential mechanism and a driving motor; on the three-wheeled electric vehicle, in order to keep the travelling comfort of the electric vehicle, a damping device can be installed on the rear axle of the electric vehicle.
The most common rear axle damping device among the prior art carries out the shock attenuation through the shock attenuation board, reaches absorbing purpose through the elasticity of shock attenuation board self, and this shock-absorbing structure has simple structure, advantage with low costs, but also has the shock attenuation effect simultaneously poor, shock attenuation board is many, the problem that the quality is heavy to influence the driving comfort level of electric motor car.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical defects, the utility model aims to provide the damping electric vehicle rear axle, which achieves a better damping effect by reducing the number of damping plates and installing elastic components on the damping plates, thereby solving the problem of poor damping effect of the electric vehicle rear axle.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a shock-absorbing rear axle of an electric vehicle, which comprises an electric vehicle rear axle body, wherein a driving motor is connected to the electric vehicle rear axle body; the rear axle body of the electric vehicle is symmetrically and fixedly connected with a connecting seat, the connecting seat is fixedly connected with a plurality of damping plates through a pressing seat, and the damping plates are fixedly connected between the connecting seat and the pressing seat; the pressing seat is fixedly connected with a fixing frame of an inverted U-shaped structure, the fixing frame is movably connected with a pressing plate, and the fixing frame is movably connected with an elastic assembly; the elastic component comprises a rod body, one end of the rod body is fixedly connected with the pressing plate, a spring is connected to the surface of the rod body, and a mounting seat is fixedly connected to the upper end of the rod body.
Preferably, the surface of the mounting seat is provided with a mounting hole, and the spring is arranged between the mounting seat and the fixing frame.
Preferably, the fixing frame includes: the vertical plates are fixedly connected with the pressing seat; the apron, the apron with two riser fixed connection, just be equipped with on the apron with body of rod clearance fit's through-hole.
Preferably, the pressing plate is provided with a sliding hole which moves up and down with the vertical plate; and the pressing plate is provided with a connecting hole, and the lower end of the rod body is fixedly connected with the connecting hole through a pair of nuts.
Preferably, the pressing seat is of an inverted U-shaped structure and is fixedly connected with the damping plate through a bolt.
Preferably, the damping plate is an arc-shaped plate structure, and the two ends of the pressing plate are provided with inclined plane structures matched with the surfaces of the damping plate.
Preferably, the number of the shock absorbing plates is 1-2.
The utility model has the beneficial effects that:
this design is through being connected with elastic component and clamp plate above the shock attenuation board, through the shock attenuation mode of the difference separately of elastic component and shock attenuation board to improved the shock attenuation effect of electric motor car rear axle, the device has reduced the quantity of shock attenuation board simultaneously, has alleviateed the weight of electric motor car rear axle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rear axle of a shock-absorbing electric vehicle according to an embodiment of the present invention.
Fig. 2 is a schematic front view of fig. 1.
Fig. 3 is a schematic structural view of the elastic member.
Fig. 4 is a schematic structural view of the pressing base.
Fig. 5 is a schematic structural view of the pressing plate.
Description of reference numerals: the rear axle structure of the electric vehicle comprises 1-an electric vehicle rear axle body, 2-a driving motor, 3-a connecting seat, 4-a damping plate, 5-a pressing seat, 51-a fixing frame, 511-a vertical plate, 512-a cover plate, 513-a through hole, 6-a pressing plate, 61-a sliding hole, 62-a connecting hole, 7-an elastic component, 71-a rod body, 72-a spring, 73-a mounting seat and 74-a mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1-2, the utility model provides a shock-absorbing rear axle of an electric vehicle, which comprises an electric vehicle rear axle body 1, wherein a driving motor 2 is connected to the electric vehicle rear axle body 1; the rear axle body 1 of the electric vehicle is symmetrically and fixedly connected with connecting seats 3, each connecting seat 3 comprises a seat body with a half-arc structure, each connecting seat 3 is fixedly connected to a rear axle rod through a bolt, each connecting seat 3 is fixedly connected with a damping plate 4 through a pressing seat 5, and each damping plate 4 is fixedly connected between each connecting seat 3 and the corresponding pressing seat 5; the shock attenuation board 4 is the arc plate structure, produces certain elasticity through the deformation of self, reaches absorbing purpose, and for the weight that alleviates the rear axle, the quantity of shock attenuation board 4 is equipped with 1-2, and the quantity of shock attenuation board 4 is two in this embodiment, and the length of below shock attenuation board 4 is good at the length of top shock attenuation board 4.
As shown in fig. 3-4, the pressing base 5 is an inverted U-shaped structure, the pressing base 5 is fixedly mounted on the connecting base 3 through a bolt, the pressing base 5 is fixedly connected with the damping plate 4 through a bolt, a fixing frame 51 of the inverted U-shaped structure is fixedly connected to the pressing base 5, an elastic component 7 is movably connected to the fixing frame 51, the elastic component 7 includes a rod body 71, one end of the rod body 71 is fixedly connected with the pressing plate 6, a spring 72 is connected to the surface of the rod body 71, a mounting base 73 is fixedly connected to the upper end of the rod body 71, a mounting hole 74 is formed in the surface of the mounting base 73, the mounting base 73 is mounted on the chassis of the electric vehicle through a bolt, the spring 72 is arranged between the mounting base 73 and the fixing frame 51, and the spring 72 is compressed when the rod body 71 moves downward, so as to achieve the purpose of damping.
The fixing frame 51 comprises a pair of vertical plates 511 and a cover plate 512, wherein the vertical plates 511 are fixedly connected with the pressing seat 5 through bolts; apron 512 passes through bolt fixed connection with two risers 511, and be equipped with on the apron 512 with the through-hole 513 of the body of rod 71 swing joint, swing joint has clamp plate 6 on the mount 51, clamp plate 6 both ends establish to the inclined plane structure with shock attenuation board 4 surface complex, increase the area of contact between clamp plate 6 and the shock attenuation board 4, and elastic component 7 and clamp plate 6 fixed connection, through the respective shock attenuation mode of elastic component 7 and shock attenuation board 4 the two, reach better shock attenuation effect.
As shown in fig. 5, the pressing plate 6 is provided with a sliding hole 61 vertically movable with the vertical plate 511, and the pressing plate 6 can slide vertically along the vertical plate 511; and the pressing plate 6 is provided with a connecting hole 62, and the lower end of the rod body 71 is fixedly connected with the connecting hole 62 through a pair of nuts.
During the use, when the electric motor car went, when the body of rod 71 downstream, spring 72 received pressure compression, drove clamp plate 6 downstream simultaneously, and shock attenuation board 4 receives pressure deformation for shock attenuation board 4 and elastic component 7 all play absorbing effect, have improved the shock attenuation effect of electric motor car rear axle.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A damping rear axle of an electric vehicle, which is characterized in that,
the electric vehicle rear axle comprises an electric vehicle rear axle body (1), wherein a driving motor (2) is connected to the electric vehicle rear axle body (1);
the rear axle body (1) of the electric vehicle is symmetrically and fixedly connected with connecting seats (3), the connecting seats (3) are fixedly connected with a plurality of damping plates (4) through pressing seats (5), and the damping plates (4) are fixedly connected between the connecting seats (3) and the pressing seats (5);
a fixing frame (51) with an inverted U-shaped structure is fixedly connected to the pressure seat (5), a pressure plate (6) is movably connected to the fixing frame (51), and an elastic component (7) is movably connected to the fixing frame (51);
elastic component (7) are including the body of rod (71), the one end of the body of rod (71) with clamp plate (6) fixed connection, just body of rod (71) surface connection has spring (72), the upper end fixedly connected with mount pad (73) of the body of rod (71).
2. A shock-absorbing rear axle of an electric vehicle as claimed in claim 1, wherein said mounting seat (73) is provided with a mounting hole (74) on the surface, and said spring (72) is arranged between said mounting seat (73) and said fixed frame (51).
3. A shock-absorbing electric vehicle rear axle according to claim 1 or 2, wherein said fixed frame (51) comprises:
the vertical plates (511) are fixedly connected with the pressing seat (5);
the cover plate (512), the cover plate (512) with two riser (511) fixed connection, just be equipped with on the cover plate (512) with body of rod (71) clearance fit's through-hole (513).
4. A shock-absorbing rear axle of an electric vehicle as claimed in claim 3, wherein said pressure plate (6) is provided with a slide hole (61) vertically movable with said vertical plate (511);
and the pressing plate (6) is provided with a connecting hole (62), and the lower end of the rod body (71) is fixedly connected with the connecting hole (62) through a pair of nuts.
5. The rear axle of the shock-absorbing electric vehicle as claimed in claim 1 or 4, wherein the pressing base (5) is of an inverted U-shaped structure, and the pressing base (5) is fixedly connected with the shock-absorbing plate (4) through bolts.
6. The rear axle of the shock-absorbing electric vehicle as claimed in claim 1 or 5, wherein the shock-absorbing plate (4) is an arc-shaped plate structure, and the two ends of the pressure plate (6) are provided with inclined surface structures matched with the surfaces of the shock-absorbing plate (4).
7. A shock-absorbing electric vehicle rear axle according to claim 6, wherein the number of said shock-absorbing plates (4) is 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220452279.7U CN216733763U (en) | 2022-03-02 | 2022-03-02 | Shock attenuation electric motor car rear axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220452279.7U CN216733763U (en) | 2022-03-02 | 2022-03-02 | Shock attenuation electric motor car rear axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216733763U true CN216733763U (en) | 2022-06-14 |
Family
ID=81921228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220452279.7U Active CN216733763U (en) | 2022-03-02 | 2022-03-02 | Shock attenuation electric motor car rear axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216733763U (en) |
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2022
- 2022-03-02 CN CN202220452279.7U patent/CN216733763U/en active Active
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