CN220363179U - Lower swing arm assembly of automobile and automobile - Google Patents
Lower swing arm assembly of automobile and automobile Download PDFInfo
- Publication number
- CN220363179U CN220363179U CN202321351597.5U CN202321351597U CN220363179U CN 220363179 U CN220363179 U CN 220363179U CN 202321351597 U CN202321351597 U CN 202321351597U CN 220363179 U CN220363179 U CN 220363179U
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- swing arm
- bushing
- automobile
- aluminum alloy
- forged aluminum
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- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 44
- 230000035939 shock Effects 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 239000006096 absorbing agent Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 239000013585 weight reducing agent Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to an automobile lower swing arm assembly and an automobile, wherein the automobile lower swing arm assembly comprises a forged aluminum alloy swing arm body, one end of the forged aluminum alloy swing arm body is provided with a knuckle mounting part, the forged aluminum alloy swing arm body is connected with a first bushing, and the other two ends of the forged aluminum alloy swing arm body are respectively connected with a second bushing and a bushing connecting assembly; the second bushing and the bushing connection assembly are both adapted to be connected to the subframe, and the first bushing is adapted to be connected to the shock strut. In the embodiment of the utility model, compared with a steel swing arm, the forged aluminum alloy swing arm body has lighter weight and lighter unsprung mass, and is beneficial to the light weight of an automobile.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to an automobile lower swing arm assembly and an automobile.
Background
The vehicle suspension system is a generic term for all force-transmitting connection devices between the frame and the axles or wheels of the vehicle, and the lower swing arm serves as a guiding and force-transmitting element in the vehicle suspension system, which mainly serves to support the vehicle body and the shock absorber and to dampen vibrations during the driving of the vehicle.
At present, the material of lower swing arm is steel generally, and the material characteristic of steel leads to lower swing arm's weight heavier, can bring great burden for the wheel at the in-process that the car was gone. And the weight of the lower swing arm is heavier, so that unsprung mass is heavier, and the weight reduction of the automobile is not facilitated.
Disclosure of Invention
One of the purposes of the utility model is to provide an automobile lower swing arm assembly, which solves the technical problem that the lower swing arm in the prior art is made of steel materials, so that the weight reduction of an automobile is not facilitated; the second purpose is to provide an automobile.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the automobile lower swing arm assembly comprises a forged aluminum alloy swing arm body, wherein one end of the forged aluminum alloy swing arm body is provided with a knuckle mounting part, the forged aluminum alloy swing arm body is connected with a first bushing, and the other two ends of the forged aluminum alloy swing arm body are respectively connected with a second bushing and a bushing connecting assembly;
the second bushing and the bushing connection assembly are both used for being connected with the auxiliary frame, and the first bushing is used for being connected with the shock strut.
According to the technical means, the forged aluminum alloy swing arm body is made of aluminum alloy, and compared with the steel swing arm, the forged aluminum alloy swing arm body is lighter in weight and lighter in unsprung mass, is beneficial to the light weight of automobiles, and promotes energy conservation and emission reduction; in addition, the unsprung mass is lighter, so that the shock absorber is faster in reaction, the grounding performance of the wheels is stronger, and the operability and the comfort of the vehicle are improved; in addition, the mechanical property of the forged aluminum alloy swing arm body is good.
Further, the first bush is located at one side of the knuckle mounting portion, which is close to the second bush, a strut bracket is connected to the lower end of the shock strut, and the first bush is connected to the strut bracket through a bolt.
According to the technical means, the first bushing is connected with the shock-absorbing support through the support bracket.
Further, the bushing connection assembly comprises a mounting bracket and a swing arm bushing connected with the mounting bracket, the mounting bracket is used for being connected with the auxiliary frame, the forged aluminum alloy swing arm body comprises a core shaft, and an inner hole of the swing arm bushing is pressed on the core shaft in an interference mode.
According to the technical means, through the arrangement of the mandrel and the swing arm bushing, the connection of the bushing connecting assembly and the forged aluminum alloy swing arm body is realized.
Further, a bushing mounting hole and two bolt mounting holes are formed in the mounting support, the two bolt mounting holes are located on two sides of the bushing mounting hole, the swing arm bushing is pressed into the bushing mounting hole in an interference mode, and the bolt mounting holes are used for being connected with the auxiliary frame through bolts.
According to the technical means, the mounting bracket is connected with the auxiliary frame through the bolts, and the connection mode of the mounting bracket and the auxiliary frame is simple; and through the setting of two bolt mounting holes of both sides, guaranteed the connection stability of installing support and sub vehicle frame.
Further, the cross section of the mandrel is polygonal, and the cross section of the inner hole of the swing arm bushing is polygonal matched with the mandrel.
According to the technical means, the swing arm bushing can be prevented from rotating relative to the mandrel.
Further, the swing arm bushing is a hydraulic bushing.
According to the technical means, the hydraulic bushing can provide large damping at low frequency and large amplitude.
Further, the second bushing is used for being connected with the auxiliary frame through bolts.
According to the technical means, the connection mode of the second bushing and the auxiliary frame is simple.
Further, a ball stud is mounted on the knuckle mounting portion, and the knuckle mounting portion is connected with the knuckle through the ball stud.
According to the technical means, the knuckle mounting portion can be connected with the knuckle through the ball stud.
An automobile comprising the automobile lower swing arm assembly of any one of the above.
The embodiment of the utility model has the beneficial effects that:
the forged aluminum alloy swing arm body is made of aluminum alloy, and is lighter in weight and lighter in unsprung mass compared with the steel swing arm, so that the light weight of an automobile is facilitated, and energy conservation and emission reduction are promoted; in addition, the unsprung mass is lighter, so that the shock absorber is faster in reaction, the grounding performance of the wheels is stronger, and the operability and the comfort of the vehicle are improved; in addition, the mechanical property of the forged aluminum alloy swing arm body is good.
Drawings
Fig. 1 is a schematic structural diagram of an automobile lower swing arm assembly according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a bushing connection assembly in an automobile lower swing arm assembly according to an embodiment of the present utility model;
fig. 3 is a schematic top view of a forged aluminum alloy swing arm body in an automobile lower swing arm assembly according to an embodiment of the present utility model;
fig. 4 is a schematic bottom view of a forged aluminum alloy swing arm body in an automobile lower swing arm assembly according to an embodiment of the present utility model.
The novel steering knuckle comprises a 1-forged aluminum alloy swing arm body, an 11-steering knuckle mounting part, a 12-mandrel, a 2-first bushing, a 3-second bushing, a 4-bushing connecting assembly, a 41-swing arm bushing, a 411-inner hole, a 42-mounting bracket and a 421-bolt mounting hole.
Detailed Description
Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
With the increasing shortage of global petroleum resources and the increasing public awareness of environmental protection, the requirements of various countries and regions on automobile emissions are more and more strict for conventional fuel automobiles, and the contradiction between battery energy density and endurance mileage for new energy automobiles, especially pure electric automobiles, is a key technology to be solved urgently, so that the lightweight design of automobiles is gradually a key content of automobile design work.
At present, the material of lower swing arm is steel generally, and the material characteristic of steel leads to lower swing arm's weight heavier, can bring great burden for the wheel at the in-process that the car was gone. The weight of the lower swing arm is heavier, so that unsprung mass is heavier, and the weight reduction of the automobile is not facilitated; in addition, the unsprung mass is heavier, which can lead to the problems of slower reaction of the shock absorber, poorer grounding of the wheels, poorer operability and comfort of the vehicle, and the like. In order to solve the problems, the embodiment of the utility model provides an automobile lower swing arm assembly and an automobile.
1-4, an embodiment of the present utility model provides an automobile lower swing arm assembly, including a forged aluminum alloy swing arm body 1, wherein one end of the forged aluminum alloy swing arm body 1 is provided with a knuckle mounting part 11, the forged aluminum alloy swing arm body 1 is connected with a first bushing 2, and the other two ends of the forged aluminum alloy swing arm body 1 are respectively connected with a second bushing 3 and a bushing connecting assembly 4; the second bushing 3 and the bushing connection assembly 4 are both adapted to be connected to a subframe, and the first bushing 2 is adapted to be connected to a shock strut.
Specifically, the automobile lower swing arm assembly provided by the embodiment of the utility model is applied to automobiles, and the automobiles can be various automobile types, such as sedans, business cars, off-road vehicles or sport utility vehicles. In the description of the embodiment of the present utility model, the up-down direction, the front-back direction, and the inside-outside direction are identical to the up-down direction, the front-back direction, and the inside-outside direction of the automobile. The automobile comprises a subframe, a shock absorber, a steering knuckle and wheels, wherein the shock absorber comprises a shock absorption strut.
The forged aluminum alloy swing arm body 1 is made of aluminum alloy, the forged aluminum alloy swing arm body 1 is formed by forging aluminum alloy, and the forged aluminum alloy is high in strength and good in mechanical property. The forged aluminum alloy swing arm body 1 has three ends, and referring to fig. 4, one end thereof is provided with a knuckle mount 11, and the knuckle mount 11 can be connected to the knuckle specifically by a ball stud. Referring to fig. 1, a second bushing 3 and a bushing connection assembly 4 are connected to the other two ends, respectively. The second bushing 3 and the bushing connection assembly 4 are both adapted to be connected to the subframe. The first bush 2 is used for being connected with a shock strut in the shock absorber, the lower end of the shock strut is connected with a strut bracket, and the first bush 2 can be connected with the shock strut specifically through the strut bracket.
In the embodiment of the utility model, the forged aluminum alloy swing arm body 1 is made of aluminum alloy, and compared with a steel swing arm, the forged aluminum alloy swing arm body 1 has lighter weight and lighter unsprung mass, is beneficial to the light weight of automobiles and promotes energy conservation and emission reduction; in addition, the unsprung mass is lighter, so that the shock absorber is faster in reaction, the grounding performance of the wheels is stronger, and the operability and the comfort of the vehicle are improved; in addition, the mechanical property of the forged aluminum alloy swing arm body is good.
Referring to fig. 1, a first bushing 2 is positioned at one side of a knuckle mounting portion 11 near a second bushing 3, a strut bracket is connected to a lower end of a shock strut, and the first bushing 2 is connected to the strut bracket by a bolt.
Specifically, the first bush 2 is located on the forged aluminum alloy swing arm body 1 at a position close to the knuckle mounting portion 11. In the embodiment of the utility model, the first bushing 2 is connected with the shock absorption support through the support.
Referring to fig. 1 to 3, the bushing connection assembly 4 includes a mounting bracket 42 and a swing arm bushing 41 connected to the mounting bracket 42, the mounting bracket 42 is used for being connected to the subframe, the forged aluminum alloy swing arm body 1 includes a mandrel 12, and an inner hole 411 of the swing arm bushing 41 is press-fitted on the mandrel 12 in an interference manner.
Specifically, the mounting bracket 42 may be aluminum alloy in material, further reducing the unsprung mass. The swing arm bush 41 is provided with an inner hole 411, and the inner hole 411 of the swing arm bush 41 is pressed on the mandrel 12 in an interference fit mode, so that the bush connecting assembly 4 is connected with the forged aluminum alloy swing arm body 1.
Referring to fig. 1 and 2, a bushing mounting hole and two bolt mounting holes 421 are formed in the mounting bracket 42, the two bolt mounting holes 421 are located at two sides of the bushing mounting hole, the swing arm bushing 41 is press-fitted in the bushing mounting hole in an interference manner, and the bolt mounting holes 421 are used for connecting with the subframe through bolts.
Specifically, two bolt mounting holes 421 are located on both sides of the bushing mounting holes in the length direction of the mounting bracket 42. The two bolt mounting holes 421 are connected to the sub-frame by two bolts, respectively. Both bolt mounting holes 421 may be kidney-shaped hole structures. In the embodiment of the utility model, the mounting bracket 42 is connected with the auxiliary frame through bolts, and the connection mode of the mounting bracket 42 and the auxiliary frame is simple; and through the arrangement of the two bolt mounting holes 421 on the two sides, the connection stability of the mounting bracket 42 and the auxiliary frame is ensured.
Referring to fig. 2 and 3, the cross section of the mandrel 12 is polygonal, and the cross section of the inner hole 411 of the swing arm bushing 41 is polygonal to fit the mandrel 12.
Specifically, the cross section of the mandrel 12 is a cross section perpendicular to the extending direction of the mandrel 12. In the embodiment of the present utility model, by the above arrangement, the swing arm bushing 41 can be prevented from rotating relative to the spindle 12.
The swing arm bushing 41 is a hydraulic bushing that can provide large damping at low frequencies and large amplitudes.
The second bushing 3 is for connection to the subframe by means of bolts.
The knuckle mounting portion 11 is provided with a ball stud, and the knuckle mounting portion 11 is connected to the knuckle via the ball stud.
It will be appreciated that the above examples are only examples listed for better understanding of the technical solution of the embodiments of the present utility model, and are not to be construed as the only limitation of the embodiments of the present utility model.
In a second aspect, embodiments of the present utility model provide an automobile comprising the automobile lower swing arm assembly of any one of the above first aspects. And because the automobile comprises the automobile lower swing arm assembly, the automobile lower swing arm assembly has the beneficial effects. The automobile provided by the embodiment of the utility model comprises each structure of the automobile lower swing arm assembly in any one of the above embodiments, and in order to avoid repetition, the description is omitted here.
The above embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model.
Claims (9)
1. The automobile lower swing arm assembly is characterized by comprising a forged aluminum alloy swing arm body (1), wherein one end of the forged aluminum alloy swing arm body (1) is provided with a knuckle mounting part (11), a first bushing (2) is connected to the forged aluminum alloy swing arm body (1), and the other two ends of the forged aluminum alloy swing arm body (1) are respectively connected with a second bushing (3) and a bushing connecting assembly (4);
the second bushing (3) and the bushing connecting assembly (4) are both used for being connected with the auxiliary frame, and the first bushing (2) is used for being connected with the shock strut.
2. The lower swing arm assembly according to claim 1, wherein the first bush (2) is located at a side of the knuckle mounting portion (11) close to the second bush (3), a strut bracket is connected to a lower end of the shock strut, and the first bush (2) is adapted to be connected to the strut bracket by a bolt.
3. The automobile lower swing arm assembly according to claim 1, wherein the bushing connection assembly (4) comprises a mounting bracket (42) and a swing arm bushing (41) connected with the mounting bracket (42), the mounting bracket (42) is used for being connected with the auxiliary frame, the forged aluminum alloy swing arm body (1) comprises a mandrel (12), and an inner hole (411) of the swing arm bushing (41) is pressed on the mandrel (12) in an interference fit mode.
4. A lower swing arm assembly according to claim 3, wherein the mounting bracket (42) is provided with a bushing mounting hole and two bolt mounting holes (421), the two bolt mounting holes (421) are located at two sides of the bushing mounting hole, the swing arm bushing (41) is press-fitted in the bushing mounting hole in an interference manner, and the bolt mounting holes (421) are used for being connected with the auxiliary frame through bolts.
5. A lower swing arm assembly according to claim 3, wherein the cross section of the spindle (12) is polygonal, and the cross section of the inner bore (411) of the swing arm bushing (41) is polygonal adapted to the spindle (12).
6. A lower swing arm assembly according to claim 3, wherein the swing arm bushing (41) is a hydraulic bushing.
7. The lower swing arm assembly according to claim 1, wherein the second bushing (3) is adapted to be connected to the subframe by means of a bolt.
8. The lower swing arm assembly according to claim 1, wherein a ball stud is mounted on the knuckle mounting portion (11), and the knuckle mounting portion (11) is connected to a knuckle through the ball stud.
9. An automobile comprising the automobile lower swing arm assembly according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351597.5U CN220363179U (en) | 2023-05-30 | 2023-05-30 | Lower swing arm assembly of automobile and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351597.5U CN220363179U (en) | 2023-05-30 | 2023-05-30 | Lower swing arm assembly of automobile and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220363179U true CN220363179U (en) | 2024-01-19 |
Family
ID=89517480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321351597.5U Active CN220363179U (en) | 2023-05-30 | 2023-05-30 | Lower swing arm assembly of automobile and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220363179U (en) |
-
2023
- 2023-05-30 CN CN202321351597.5U patent/CN220363179U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |