CN219295126U - Double-damping wheel suspension assembly and electric vehicle - Google Patents
Double-damping wheel suspension assembly and electric vehicle Download PDFInfo
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- CN219295126U CN219295126U CN202223519091.9U CN202223519091U CN219295126U CN 219295126 U CN219295126 U CN 219295126U CN 202223519091 U CN202223519091 U CN 202223519091U CN 219295126 U CN219295126 U CN 219295126U
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- shock absorber
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- 239000000725 suspension Substances 0.000 title claims abstract description 31
- 238000013016 damping Methods 0.000 title claims abstract description 12
- 230000035939 shock Effects 0.000 claims abstract description 58
- 239000006096 absorbing agent Substances 0.000 claims abstract description 42
- 230000009977 dual effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides a double-damping wheel suspension assembly, which relates to the technical field of vehicles, wherein a wheel bracket is used for connecting a wheel, a vehicle body and the wheel, a wheel fixing piece is fixed on a fixed shell of a wheel hub motor, two ends of an upper swing arm are respectively hinged to the upper part of the wheel fixing piece and the wheel bracket, two ends of a lower swing arm are respectively hinged to the lower part of the wheel fixing piece and the wheel bracket, and the upper swing arm, the lower swing arm, the wheel fixing piece and the wheel bracket are mutually connected to form a four-connection mechanism; the rotating shaft of the steering assembly is collinear with the steering shaft of the wheels and is used for driving the wheels to change direction; the main shock absorber and the auxiliary shock absorber are matched with each other to play a bearing role, and vibration transmitted from the wheels to the vehicle body can be filtered, so that the comfort of driving of the hub motor is improved.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a double-damping wheel suspension assembly. In addition, the utility model also relates to an electric vehicle.
Background
The hub motor is a motor which is arranged on the wheel and is used for directly providing driving force for the wheel, and the hub motor and the wheel are integrated into a whole, so that the wheel rotation range of a larger degree can be realized, and the transformation radius of the vehicle is effectively reduced.
The wheel-mounted motor is arranged in the wheel, so that the setting and the working state of a vehicle suspension are influenced, the vibration filtering effect of the suspension is irrational, the travelling comfort of the vehicle is influenced, and the control performance is adversely affected.
How to improve the comfort of the in-wheel motor driving is a technical problem to be solved at present for those skilled in the art.
Disclosure of Invention
The utility model provides a double-damping wheel suspension assembly, which can filter vibration transmitted from a wheel to a vehicle body and improve the driving comfort of a hub motor, and the specific scheme is as follows:
a double-damping wheel suspension assembly comprises a wheel bracket, a wheel fixing piece, an upper swing arm, a lower swing arm, a main damper, an auxiliary damper and a steering assembly;
the wheel fixing piece is fixed on a fixed shell of the hub motor, and two ends of the upper swing arm are respectively hinged to the upper part of the wheel fixing piece and the wheel bracket; two ends of the lower swing arm are respectively hinged to the lower part of the wheel fixing piece and the wheel bracket;
the steering assembly is arranged at the top end of the wheel bracket, and the rotating shaft of the steering assembly is collinear with the steering shaft of the wheels;
the bottom end of the main shock absorber is hinged to the lower part of the wheel fixing piece or the lower swing arm and the top end of the main shock absorber are hinged to the wheel bracket; the bottom end of the auxiliary shock absorber is hinged to the upper portion of the wheel fixing piece, and the top end of the auxiliary shock absorber is hinged to the wheel support.
Optionally, in an unloaded state of the vehicle, the springs of the primary shock absorber are compressed and the springs of the secondary shock absorber remain unstressed.
Optionally, the extension direction of the primary damper is parallel to the extension direction of the secondary damper.
Optionally, the wheel bracket comprises a bent connecting rod and an annular steering connecting seat, and the steering connecting seat is fixed at the top end of the connecting rod;
the bearing housing of the steering assembly is fixed to the vehicle body, and the slewing gear of the steering assembly is fixed to the steering connecting seat.
Optionally, the steering connecting seat is hollow annular.
Optionally, the wheel fixing member includes a fixing plate and two connecting plates, and the two connecting plates are disposed at two ends of the fixing plate; the fixed plate is fixed on the shell of the hub motor, the connecting plate is bent in an S shape back to the hub motor, and the end part of the connecting plate is provided with a hinge shaft.
Optionally, a brake fixing seat for installing a brake assembly is arranged at one side edge of the fixing plate.
Optionally, the upper swing arm comprises an upper swing seat and an upper swing rod, and the four upper swing rods are respectively connected to four vertex angles of the upper swing seat; the upper swing seat is communicated with a through hole for inserting the main shock absorber;
the two upper swing rods connected to the wheel fixing piece are lower than the two upper swing rods connected to the wheel bracket.
Optionally, an upper surface of the lower swing arm is provided with a hinge seat for connecting the main damper.
The utility model also provides an electric vehicle, which comprises the double shock-absorbing wheel suspension assembly.
The utility model provides a double-damping wheel suspension assembly, which is characterized in that a wheel bracket is used for connecting a wheel, a vehicle body and the wheel, a wheel fixing piece is fixed on a fixed shell of a wheel hub motor, two ends of an upper swing arm are respectively hinged to the upper part of the wheel fixing piece and the wheel bracket, two ends of a lower swing arm are respectively hinged to the lower part of the wheel fixing piece and the wheel bracket, and the upper swing arm, the lower swing arm, the wheel fixing piece and the wheel bracket are mutually connected to form a four-connection mechanism; the rotating shaft of the steering assembly is collinear with the steering shaft of the wheels and is used for driving the wheels to change direction; the main shock absorber and the auxiliary shock absorber are matched with each other to play a bearing role, and vibration transmitted from the wheels to the vehicle body can be filtered, so that the comfort of driving of the hub motor is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a first perspective of a dual shock absorbing wheel suspension assembly provided by the present utility model;
FIG. 2 is a schematic view of a portion of a dual shock absorbing wheel suspension assembly according to the present utility model from a second perspective;
FIG. 3 is a front view of a dual shock absorbing wheel suspension assembly provided by the present utility model;
FIG. 4 is an isometric view of a first view of the inboard wheel side of the dual shock absorbing wheel suspension assembly provided by the present utility model;
FIG. 5 is an isometric view of a second view of the inboard wheel side of the dual shock absorbing wheel suspension assembly provided by the present utility model;
FIG. 6 is an isometric view of a wheel outboard view of a dual shock absorbing wheel suspension assembly provided by the present utility model.
The drawings include:
the wheel support 1, the connecting rod 11, the steering connecting seat 12, the wheel fixing piece 2, the fixing plate 21, the connecting plate 22, the brake fixing seat 23, the upper swing arm 3, the upper swing seat 31, the upper swing rod 32, the lower swing arm 4, the hinging seat 41, the main shock absorber 5, the auxiliary shock absorber 6, the steering assembly 7, the bearing shell 71, the rotary gear 72, the hub motor 8 and the brake assembly 9.
Detailed Description
The utility model aims at providing a double-damping wheel suspension assembly which can filter vibration transmitted from a wheel to a vehicle body and improve the driving comfort of an in-wheel motor.
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the following detailed description will be made with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, the present utility model provides a dual shock absorbing wheel suspension assembly, which comprises a wheel bracket 1, a wheel fixing member 2, an upper swing arm 3, a lower swing arm 4, a main shock absorber 5, an auxiliary shock absorber 6, a steering assembly 7, and other structures; the wheel bracket 1 is used for connecting a vehicle body and a wheel, and the wheel bracket 1 is a main body structure of the double-damping wheel suspension assembly.
The hub motor 8 is provided with a fixed shell and a rotor, the rotor is connected with the wheel, and the wheel is driven to rotate when the rotor of the hub motor 8 rotates; the wheel securing member 2 is secured to a fixed housing of the in-wheel motor 8, and the fixed housing of the in-wheel motor 8 does not rotate. The wheel securing member 2 is a connection structure that connects the hub motor and the wheel to other structures.
With reference to fig. 3, 4 and 5, two ends of the upper swing arm 3 are respectively hinged to the upper part of the wheel fixing member 2 and the wheel bracket 1; two ends of the lower swing arm 4 are respectively hinged to the lower part of the wheel fixing piece 2 and the wheel bracket 1; the upper swing arm 3 and the lower swing arm 4 are both of a connecting structure and are both used for connecting the wheel fixing piece 2 and the wheel bracket 1; the connecting line of two connecting points of the upper swing arm 3 is obliquely arranged, one end of the upper swing arm 3 connected with the wheel bracket 1 is slightly higher, and one end of the upper swing arm 3 connected with the wheel fixing piece 2 is slightly lower; the connection line of the two connection points of the lower swing arm 4 is approximately horizontally arranged. The upper swing arm 3 is connected with the wheel bracket 1 to control the wheel not to incline left and right.
The wheel bracket 1, the wheel fixing piece 2, the upper swing arm 3 and the lower swing arm 4 are mutually connected to form a four-bar mechanism, and the mutually connected positions form hinged coordination.
The steering assembly 7 is mounted on the top end of the wheel bracket 1, the rotating shaft of the steering assembly 7 is collinear with the steering shaft of the wheels, the steering shaft rotates around the steering shaft to adjust the angle when the wheels steer, and the steering shaft is approximately in the vertical direction and usually forms a certain included angle with the vertical line.
The main shock absorber 5 and the auxiliary shock absorber 6 are matched with each other to play a role in shock absorption, so that the transmission of the vibration of wheels to a vehicle body is reduced; the main shock absorber 5 and the auxiliary shock absorber 6 are vertically arranged and form a certain included angle with a vertical line. Typically the top end of the shock absorber is closer to the vehicle body and the bottom end of the shock absorber is closer to the wheels. The bottom end of the main shock absorber 5 is hinged to the lower part of the wheel fixing piece 2 or the lower swing arm 4, and the top end of the main shock absorber 5 is hinged to the wheel bracket 1; the bottom end of the auxiliary shock absorber 6 is hinged to the upper portion of the wheel securing member 2, and the top end of the auxiliary shock absorber 6 is hinged to the wheel bracket 1. In the structure shown in the attached drawing, the bottom end of a main shock absorber 5 is hinged to a lower swing arm 4, and the bottom end of a secondary shock absorber 6 is hinged to the hinged shafts of a wheel fixing piece 2 and an upper swing arm 3; but other forms of articulation are also within the scope of the present utility model.
The steering assembly 7 is arranged at the top end of the wheel bracket 1, wheels are driven to walk by adopting the hub motor 8, the power structure is arranged on the wheels, and the steering assembly 7 is used for driving the wheels to rotate at any angle of 360 degrees in the circumferential direction, so that the steering range of the vehicle is larger, and the movement of the vehicle is more flexible. The main shock absorber 5 and the auxiliary shock absorber 6 are matched with each other, so that the automobile body is supported, the vibration transmitted from the wheels to the automobile body can be filtered and absorbed, and the comfort of driving the hub motor is improved. The existing wheel bracket assembly has too high top distance, and can only be used on large-sized automobiles or engineering vehicles, but the utility model greatly reduces the space at the top of the bracket assembly, and can be well used on common automobile structures.
With reference to fig. 6, the inner side of the wheel is a connecting side, the whole wheel is in a cantilever state, and the rim skeleton part of the wheel can be exposed.
On the basis of the above-described arrangement, in the unloaded state of the vehicle, the springs of the main shock absorber 5 are compressed, and the sub shock absorber 6 is kept in the unstressed state. By reasonably setting the parameters of the springs of the main damper 5 and the parameters of the springs of the auxiliary damper 6, it is achieved that only the springs of the main damper 5 are compressed when the vehicle is empty, the springs of the auxiliary damper 6 are not stressed, and the springs of the auxiliary damper 6 are neither compressed nor stretched. The spring coefficient of the main damper 5 is larger than that of the auxiliary damper 6, and the main damper 5 plays a main bearing role. When the vehicle body is subjected to a further load, the springs of the sub-shock absorbers 6 are compressed by the applied force. The dual-damping wheel suspension assembly realizes graded stress, the springs of the primary damper 5 are compressed, and the springs of the secondary damper 6 are compressed, so that a better damping and buffering effect is achieved. The main damper 5 is stressed to work under the condition of light load or slight vibration, and the auxiliary damper 6 is stressed to participate in work under the condition of heavy load or large vibration.
Specifically, with reference to fig. 3, the extending direction of the main damper 5 of the present utility model is parallel to the extending direction of the sub-damper 6. It should be noted that the present utility model does not exclude the case where the main damper 5 and the sub-damper 6 form an included angle.
Referring to fig. 1 to 6, the wheel bracket 1 of the present utility model includes a bent connection rod 11 and an annular steering connection seat 12, the steering connection seat 12 being fixed to the top end of the connection rod 11; the steering connecting seat 12 is a circular ring, and a vertically through channel is arranged at the center of the steering connecting seat, and in the structure shown in the drawing of the utility model, the connecting rod 11 consists of two sections of straight rods, an obtuse angle is formed between the two sections of straight rods, and the steering connecting seat can also be formed by connecting a plurality of straight rods end to end or adopting an arc-shaped bent rod. The lower extreme of connecting rod 11 is connected in the wheel inboard, and the upper end of connecting rod 11 is connected in steering connection seat 12, makes the centre of a circle of steering connection seat 12 lie in the straight line that the wheel steering spindle was located.
Referring to fig. 1, the steering assembly 7 of the present utility model includes a bearing housing 71 and a swing gear 72, the bearing housing 71 of the steering assembly 7 being fixed to a vehicle body, for example, to a chassis; the rotary gear 72 of the steering assembly 7 is fixed on the steering connecting seat 12, the rotary gear 72 is rotatably installed in the bearing housing 71, and when the rotary gear 72 is driven by the motor, the rotary gear 72 generates circumferential rotation, so that the wheel bracket 1 drives the wheels to steer, and the traveling direction of the wheels is adjusted.
According to the utility model, the steering connecting seat 12 is hollow and annular, and a channel in the middle of the steering connecting seat 12 is used for allowing a cable to pass through, for example, a control cable of an in-wheel motor, a hydraulic pipeline of the brake assembly 9 and the like, so that a wire tube can be prevented from being exposed.
On the basis of any one of the above technical solutions and the combination thereof, referring to fig. 1 and 4, the wheel securing member 2 includes a securing plate 21 and two connecting plates 22, the two connecting plates 22 being disposed at both ends of the securing plate 21; the fixed plate 21 is fixed on the shell of the wheel hub motor, the connecting plate 22 is bent back to the wheel hub motor in an S shape, the end part of the connecting plate 22 is provided with a hinge shaft, the two connecting plates 22 protrude from the same side of the fixed plate 21, and the side surface of the wheel fixing piece 2 formed by the fixed plate 21 and the two connecting plates 22 is in a C-shaped groove shape. The end of the connection plate 22 is provided with a hinge barrel for achieving a hinge connection.
Referring to fig. 1, a brake fixing seat 23 for installing the brake assembly 9 is provided at one side edge of the fixing plate 21, two connection plates 22 are provided at the upper and lower ends of the fixing plate 21, the brake fixing seat 23 is provided at the front or rear side of the fixing plate 21, the brake fixing seat 23 is used for fixing a brake caliper of the brake assembly 9, and a brake disc of the brake assembly 9 rotates with a wheel.
The upper swing arm 3 comprises an upper swing seat 31 and an upper swing rod 32, the four upper swing rods 32 are respectively connected to four top corners of the upper swing seat 31, and the upper swing arm 3 is of an H-shaped structure. The upper swing seat 31 is a flat plate or an arc plate with a certain radian, a through hole for penetrating the main damper 5 is formed in the upper swing seat 31 in a penetrating mode, the main damper 5 penetrates through the upper swing seat 31, and the through hole formed in the upper swing seat 31 is used for avoiding the main damper 5.
With reference to fig. 1 and 3, the two upper swing arms 32 connected to the wheel fixing member 2 are lower than the two upper swing arms 32 connected to the wheel bracket 1, and the side surfaces of the whole upper swing arms 3 form an S-shaped curve, so that the structure strength is higher.
With reference to fig. 1, the upper surface of the lower swing arm 4 is provided with a hinge seat 41 for connecting the main damper 5, and the hinge seat 41 is used for forming a hinge fit with the lower end of the main damper 5.
The utility model also provides an electric vehicle which comprises the double shock-absorbing wheel suspension assembly, and the electric vehicle can achieve the technical effects related to the above.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The double-damping wheel suspension assembly is characterized by comprising a wheel bracket (1), a wheel fixing piece (2), an upper swing arm (3), a lower swing arm (4), a main damper (5), an auxiliary damper (6) and a steering assembly (7);
the wheel fixing piece (2) is fixed on a fixed shell of the hub motor (8), and two ends of the upper swing arm (3) are respectively hinged to the upper part of the wheel fixing piece (2) and the wheel bracket (1); two ends of the lower swing arm (4) are respectively hinged to the lower part of the wheel fixing piece (2) and the wheel bracket (1);
the steering assembly (7) is arranged at the top end of the wheel bracket (1), and the rotating shaft of the steering assembly (7) is collinear with the steering shaft of the wheels;
the bottom end of the main shock absorber (5) is hinged to the lower part of the wheel fixing piece (2) or the lower swing arm (4), and the top end of the main shock absorber is hinged to the wheel bracket (1); the bottom end of the auxiliary shock absorber (6) is hinged to the upper portion of the wheel fixing piece (2), and the top end of the auxiliary shock absorber is hinged to the wheel support (1).
2. A double shock absorbing wheel suspension assembly according to claim 1, wherein the springs of the primary shock absorber (5) are compressed and the springs of the secondary shock absorber (6) remain unstressed in an unloaded state of the vehicle.
3. A dual shock absorbing wheel suspension assembly according to claim 2, wherein the extension direction of the primary shock absorber (5) is parallel to the extension direction of the secondary shock absorber (6).
4. The double shock absorbing wheel suspension assembly according to claim 1, wherein the wheel bracket (1) comprises a bent connecting rod (11) and an annular steering connecting seat (12), the steering connecting seat (12) being fixed to the top end of the connecting rod (11);
a bearing housing (71) of the steering assembly (7) is fixed to the vehicle body, and a turning gear (72) of the steering assembly (7) is fixed to the steering connecting seat (12).
5. The dual shock absorbing wheel suspension assembly of claim 4, wherein the steering connection mount (12) is hollow ring-shaped.
6. A dual shock absorbing wheel suspension assembly according to any one of claims 1 to 5, wherein the wheel securing member (2) comprises a securing plate (21) and two connecting plates (22), the two connecting plates (22) being disposed at both ends of the securing plate (21); the fixed plate (21) is fixed on the shell of the hub motor, the connecting plate (22) is bent back to the hub motor in an S shape, and the end part of the connecting plate (22) is provided with a hinge shaft.
7. A dual shock absorbing wheel suspension assembly according to claim 6, wherein a side edge of the fixing plate (21) is provided with a brake fixing seat (23) for mounting a brake assembly (9).
8. The double shock absorbing wheel suspension assembly according to claim 6, wherein the upper swing arm (3) comprises an upper swing seat (31) and an upper swing rod (32), and four upper swing rods (32) are respectively connected to four vertex angles of the upper swing seat (31); the upper swing seat (31) is communicated with a through hole for inserting the main shock absorber (5);
the two upper swing rods (32) connected to the wheel fixing member (2) are lower than the two upper swing rods (32) connected to the wheel bracket (1).
9. A double shock absorbing wheel suspension assembly according to claim 6, wherein the upper surface of the lower swing arm (4) is provided with a hinge seat (41) for connecting the main shock absorber (5).
10. An electric vehicle comprising a dual shock absorbing wheel suspension assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223519091.9U CN219295126U (en) | 2022-12-28 | 2022-12-28 | Double-damping wheel suspension assembly and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223519091.9U CN219295126U (en) | 2022-12-28 | 2022-12-28 | Double-damping wheel suspension assembly and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219295126U true CN219295126U (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223519091.9U Active CN219295126U (en) | 2022-12-28 | 2022-12-28 | Double-damping wheel suspension assembly and electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN219295126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119176185A (en) * | 2024-10-21 | 2024-12-24 | 同济大学 | Macpherson type suspension wheel side driving system |
-
2022
- 2022-12-28 CN CN202223519091.9U patent/CN219295126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119176185A (en) * | 2024-10-21 | 2024-12-24 | 同济大学 | Macpherson type suspension wheel side driving system |
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