CN211969080U - Suspension system with wheel-side driving structure - Google Patents
Suspension system with wheel-side driving structure Download PDFInfo
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- CN211969080U CN211969080U CN202020188441.XU CN202020188441U CN211969080U CN 211969080 U CN211969080 U CN 211969080U CN 202020188441 U CN202020188441 U CN 202020188441U CN 211969080 U CN211969080 U CN 211969080U
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- 239000000725 suspension Substances 0.000 title claims abstract description 31
- 238000005452 bending Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a suspension system with wheel edge drive structure, which comprises a left half-bridge and a right half-bridge, wherein the left half-bridge and the right half-bridge are symmetrically arranged at two sides of a vehicle body, and the left half-bridge and the right half-bridge are symmetrical in structure and respectively comprise a wheel hub assembly and a longitudinal arm, one end of which is rigidly connected with the wheel hub assembly, and the longitudinal arm is provided with a motor and a speed reducing mechanism; the other end of the longitudinal arm is hinged with the vehicle body, and the length direction of the longitudinal arm is parallel to the X direction of the vehicle and bears longitudinal force and bending torque. The beneficial effects of the utility model are mainly embodied in that: novel, the design of novel, the low cost of novel, the transaxle structure of thoroughly changing current small-size electric motor car, the split type structure of left half-bridge and right half-bridge can the effectual motorcycle type that adapts to different wheel bases, has wider suitability.
Description
Technical Field
The utility model relates to a hull chassis field especially, relates to a suspension system with wheel limit drive structure.
Background
The existing electric drive axle is still installed at the original position of an engine and a gearbox, a motor and a reduction gearbox are arranged in the center of a vehicle, and power is distributed to a left wheel and a right wheel through a differential and a half shaft. Although the structure is simple, the structure is based on the body structure of the fuel vehicle, and the problems of large occupied space and the like exist. The existing scheme is difficult to exert the advantage of electric drive 'flexible connection', and the design and space utilization of the vehicle body of a plurality of novel electric vehicles are limited by the existing drive scheme.
Although the hub motor occupies a small space, the balance between reliability and cost is difficult, and the hub motor is mainly used for a rim of 17 inches or more, and a small-sized vehicle cannot be used.
The scheme of integrating the wheel-side motor and the suspension system does not occupy the middle space of the vehicle and can realize distributed driving; the reliability is higher than that of the hub motor, and the unsprung mass and the cost are lower than those of the hub motor, so that the wheel-side motor is a scheme which is more suitable for small vehicles.
At present, a common suspension is an integral structure formed by connecting a left suspension and a right suspension together, and the structure cannot adapt to vehicle types with different wheel tracks; and the motor shell with too high integration level has complex stress, high requirements on materials and processes, high cost, and higher use cost because the whole assembly needs to be replaced when one side is damaged.
In addition, if the grant publication number CN102009576B also discloses a single trailing arm suspension speed reduction type wheel side electric drive system, an A-shaped single trailing arm suspension swing arm is supported on two ends of a motor shaft through a sliding bearing and a sliding bearing cover, the single trailing arm suspension swing arm is connected with one end of an axle, the other end of the axle is connected with a hub through a hub bearing, and the hub, a rim and a brake drum are fixedly connected together through bolts; the small gear is installed on the output shaft of the motor through a flat key, and the large gear is installed on the brake drum through a plurality of bolts and meshed with the small gear. Although the scheme is an independent suspension structure, the single-trailing-arm suspension structure has inferior suspension KC characteristics to a multi-link structure, and particularly has insufficient lateral rigidity, so that the tail flicking of a vehicle is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a suspension system with wheel limit drive structure.
The purpose of the utility model is realized through the following technical scheme:
a suspension system with a wheel edge driving structure comprises a left half bridge and a right half bridge, wherein the left half bridge and the right half bridge are symmetrically arranged on two sides of a vehicle body, the left half bridge and the right half bridge are structurally symmetrical and respectively comprise a wheel hub assembly and a longitudinal arm, one end of the longitudinal arm is rigidly connected with the wheel hub assembly, and a motor and a speed reducing mechanism are mounted on the longitudinal arm; the other end of the trailing arm is hinged with the vehicle body, and the length direction of the trailing arm is parallel to the X direction of the vehicle and is used for bearing longitudinal force and bending torque.
Preferably, a sliding column is rigidly connected to the vehicle body, the lower end of the sliding column is rigidly connected to the hub assembly, and a connection point of the sliding column and the hub assembly is located above a wheel center of the hub assembly.
Preferably, the inner side of the hub assembly is connected with a tie rod I and a tie rod II, and the other ends of the tie rod I and the tie rod II are connected with the vehicle body; and the tie rod I and the tie rod II are positioned below the wheel center of the hub assembly in the vertical direction.
Preferably, the caliper is fixedly arranged on the longitudinal arm.
Preferably, the wheel hub assembly is further connected with a wheel assembly and a brake disc.
The beneficial effects of the utility model are mainly embodied in that:
1. the structure is novel, the use is convenient, the conception is novel, the cost is low, the drive axle structure of the existing small electric vehicle and the split structure of the left half bridge and the right half bridge are thoroughly changed, the vehicle type with different wheel tracks can be effectively adapted, and the wide applicability is realized;
2. the utility model installs the motor and the speed reducing mechanism on the trailing arm, the trailing arm only occupies the wheel space, the middle space of the vehicle body is released, the flexible design of the vehicle body is facilitated, the driving and the suspension system can be integrated into a whole, and the structure is compact;
3. the drive axle is based on an independent suspension, can adapt to vehicle types with different wheel tracks, and is guided by a three-link Macpherson structure, so that the suspension KC has excellent characteristics;
4. the longitudinal arm is simple in stress condition, low in requirements on materials and processes and low in cost;
5. the sliding column bears lateral force, an upper transverse pull rod is omitted, and transverse occupied space is reduced.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1: the front view of the utility model;
FIG. 2: the utility model discloses a top view.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-2, the utility model discloses a suspension system with wheel limit drive structure, including left half-bridge and right half-bridge, left half-bridge and right half-bridge symmetrical arrangement are in the automobile body both sides, and left half-bridge and right half-bridge structural symmetry. The structure thoroughly changes the drive axle structure of the existing small-sized electric vehicle, and the split structure of the left half bridge and the right half bridge can effectively adapt to vehicle types with different wheel tracks, and has wider applicability.
Left side half-bridge and right half-bridge all include wheel hub assembly 1 and one end with 1 rigid connection's of wheel hub assembly trailing arm 2, install motor and reduction gears 9 on the trailing arm, the gear of motor and reduction gears 9 is installed the inside of trailing arm 2, this trailing arm only occupy the wheel limit space, have released automobile body middle space, are favorable to the nimble design of vehicle automobile body, also can make drive and suspension system unite two into one compact structure. In the above, the other end of the trailing arm 2 is hinged to the vehicle body, and the longitudinal direction a of the trailing arm 2 is parallel to the X direction of the vehicle and receives a longitudinal force and a bending torque.
The automobile body is rigidly connected with a sliding column 3, the lower end of the sliding column 3 is rigidly connected with the hub assembly 1, and the connection point of the sliding column 3 and the hub assembly 1 is positioned above the center of a wheel, so that rigidity and damping characteristics are provided, and lateral force can be borne.
Further, the inner side of the hub assembly 1 is connected with a tie rod I4 and a tie rod II 5, and the other ends of the tie rod I4 and the tie rod II 5 are connected with the vehicle body; and the tie rod I4 and the tie rod II 5 are positioned below the center of the wheel in the vertical direction. To withstand the lateral forces of the suspension system. On the basis of an independent suspension, the suspension can adapt to vehicle types with different wheel tracks, and a three-link Macpherson structure is utilized for guiding, so that the suspension has excellent KC characteristics.
Compared with the prior art, the utility model, as shown in fig. 1-2, the setting of traveller 3 can reduce axial occupation space, the overall arrangement of other pieces on the suspension of being convenient for.
In the utility model discloses, calliper 6 has set firmly on the trailing arm 2. The hub assembly 1 is also connected with a wheel assembly 7 and a brake disc 8. Further, the axis of the motor is closer to the connecting point of the trailing arm and the vehicle body than the axis of the wheel assembly 7, so that the increasing unsprung mass ratio of the trailing arm is reduced during the wheel jump, namely: when the wheel jumps, the wheel and the trailing arm 2 rotate around the connecting point of the trailing arm and the vehicle body, the mass center of the trailing arm 2 is at the axis of the motor, the mass center of the wheel is at the wheel center, and if the mass of the trailing arm 2 is equivalently transferred to the wheel center, the mass needs to be reduced proportionally according to the lever ratio.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (5)
1. A suspension system having a wheel-side drive structure, characterized in that: the automobile body comprises a left half bridge and a right half bridge, wherein the left half bridge and the right half bridge are symmetrically arranged on two sides of an automobile body and are structurally symmetrical, the automobile body respectively comprises a wheel hub assembly (1) and a trailing arm (2) with one end rigidly connected with the wheel hub assembly (1), and a motor and a speed reducing mechanism (9) are mounted on the trailing arm (2); the other end of the longitudinal arm (2) is hinged with the vehicle body, and the length direction (a) of the longitudinal arm (2) is parallel to the X direction of the vehicle and is used for bearing longitudinal force and bending torque.
2. The suspension system with a wheel-side drive structure according to claim 1, characterized in that: the automobile body is connected with a sliding column (3) in a rigid mode, the lower end of the sliding column (3) is connected with the hub assembly (1) in a rigid mode, and the connecting point of the sliding column (3) and the hub assembly (1) is located above the wheel center of the hub assembly (1).
3. The suspension system with a wheel-side drive structure according to claim 1, characterized in that: the inner side of the hub assembly (1) is connected with a tie rod I (4) and a tie rod II (5), and the other ends of the tie rod I (4) and the tie rod II (5) are connected with the vehicle body; and the tie rod I (4) and the tie rod II (5) are positioned below the wheel center of the hub assembly (1) in the vertical direction.
4. The suspension system with a wheel-side drive structure according to claim 1, characterized in that: calipers (6) are fixedly arranged on the longitudinal arms (2).
5. The suspension system with a wheel-side drive structure according to claim 1, characterized in that: the wheel hub assembly (1) is further connected with a wheel assembly (7) and a brake disc (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020188441.XU CN211969080U (en) | 2020-02-20 | 2020-02-20 | Suspension system with wheel-side driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020188441.XU CN211969080U (en) | 2020-02-20 | 2020-02-20 | Suspension system with wheel-side driving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211969080U true CN211969080U (en) | 2020-11-20 |
Family
ID=73376026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020188441.XU Active CN211969080U (en) | 2020-02-20 | 2020-02-20 | Suspension system with wheel-side driving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211969080U (en) |
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2020
- 2020-02-20 CN CN202020188441.XU patent/CN211969080U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.368 Longjin Road, Changzhou City, Jiangsu Province 213000 Patentee after: Kuntai vehicle system (Changzhou) Co.,Ltd. Address before: No.368 Longjin Road, Changzhou City, Jiangsu Province 213000 Patentee before: KUNTYE VEHICLE SYSTEM (CHANGZHOU) Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Suspension system with wheel drive structure Effective date of registration: 20230914 Granted publication date: 20201120 Pledgee: Industrial and Commercial Bank of China Limited Fengtai Branch Pledgor: Kuntai vehicle system (Changzhou) Co.,Ltd. Registration number: Y2023980056808 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201120 Pledgee: Industrial and Commercial Bank of China Limited Fengtai Branch Pledgor: Kuntai vehicle system (Changzhou) Co.,Ltd. Registration number: Y2023980056808 |