CN217435833U - Suspension mounting structure and vehicle - Google Patents
Suspension mounting structure and vehicle Download PDFInfo
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- CN217435833U CN217435833U CN202221006858.5U CN202221006858U CN217435833U CN 217435833 U CN217435833 U CN 217435833U CN 202221006858 U CN202221006858 U CN 202221006858U CN 217435833 U CN217435833 U CN 217435833U
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- 239000000725 suspension Substances 0.000 title claims abstract description 174
- 238000009434 installation Methods 0.000 claims abstract description 55
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 description 10
- 239000006096 absorbing agent Substances 0.000 description 9
- 239000002828 fuel tank Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Abstract
The utility model discloses a suspension mounting structure, include set up on the automobile body and be used for first mounting point, second mounting point and the third mounting point of multi-link suspension and torsion beam suspension installation, set up on the automobile body and be used for fourth mounting point and the fifth mounting point of multi-link suspension installation and set up and be used for the sixth mounting point of torsion beam suspension installation on the automobile body, first mounting point and second mounting point are mutual disposition, and third mounting point and fourth mounting point are mutual disposition. The utility model discloses a suspension mounting structure can realize that same platform carries on two kinds of back suspension forms, can realize moreover that the platformization of back floor region is used along, realizes the back suspension form switching of different platformization motorcycle types simultaneously based on this car platformization back floor structure. The utility model also discloses a vehicle.
Description
Technical Field
The utility model belongs to the technical field of the car, specifically speaking, the utility model relates to a suspension mounting structure and vehicle.
Background
With the continuous maturity of automobile development processes, the speed of each large automobile manufacturer for launching new automobile models is continuously increased. Usually, the development of a brand-new platform needs to consider many technical dimensions, such as: the indexes of the power assembly combination, the suspension form, the platform key performance index, the cost and the like to be carried by the platform. Once the platform is developed, the form of the suspension that the platform can carry is basically determined, so that the indexes such as the chassis stability performance, the chassis suspension cost and the like basically have no adjustable room, and the range of the platform which needs to be changed is larger when the suspension form is considered to be changed in the later stage of platform upgrading or cost reduction and performance improvement optimization.
As is well known, the common suspension form for the current autonomous brand vehicle model is: the combination of the front Macpherson suspension and the rear multi-link suspension or the combination of the front Macpherson suspension and the rear torsion beam suspension can be adopted in high-end autonomous brand vehicle types. Because the development time node of the automobile platform is ahead, the suspension type and chassis operation stability performance targets to be adapted on the platform need to be clearly defined during platform planning, compatibility needs to be considered during structure design, and the platform body structure considers different vehicle types of the platform and different types of suspension structures with minimum adjustment or modification.
The fuel automobile body rear floor area mainly comprises the following key systems and components, wherein the body part comprises a left floor, a right rear cross beam body and a reinforcing structure thereof, the left floor, the right rear cross beam body and the reinforcing structure are connected with a front floor and a doorsill beam of the body and are used for bearing the whole rear structure, providing fixing points for a rear suspension system, a fuel system and an exhaust system, and transmitting collision energy paths during frontal collision or side collision so as to protect passengers. The rear floor beam and the left and right connecting plates of the rear floor beam are used for connecting the left and right longitudinal beams of the rear floor, providing enough strength and rigidity for a lower vehicle body, providing fixing points for a rear suspension system, a fuel system and an exhaust system, and simultaneously providing torsional rigidity for a lower vehicle body and connecting and supporting a large floor. The floor body, its effect plays and seals lower automobile body and provides support and fixed point for the covering on the floor such as interior components such as shock pad, carpet, seat, spare tyre, vehicle-mounted instrument.
The existing lower vehicle body structure cannot meet the installation of two types of rear suspensions and has no compatibility.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a lower part body structure, the installation of suspension behind the purpose can satisfy two kinds of forms of multi-link suspension and torsion beam suspension improves compatibility.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the suspension mounting structure comprises a first mounting point, a second mounting point and a third mounting point which are arranged on a vehicle body and used for mounting a multi-link suspension and a torsion beam suspension, a fourth mounting point and a fifth mounting point which are arranged on the vehicle body and used for mounting the multi-link suspension and a sixth mounting point which is arranged on the vehicle body and used for mounting the torsion beam suspension, wherein the first mounting point and the second mounting point are arranged oppositely, and the third mounting point and the fourth mounting point are arranged oppositely.
The first mounting point and the second mounting point are positioned on the same straight line parallel to the first direction, the third mounting point and the fourth mounting point are positioned on the same straight line parallel to the first direction, the first mounting point and the fourth mounting point are positioned on the same straight line parallel to the second direction, the second mounting point and the third mounting point are positioned on the same straight line parallel to the second direction, and the first direction is vertical to the second direction.
And the position of the sixth mounting point is adjacent to that of the fourth mounting point, and the sixth mounting point is close to the fourth mounting point.
The first mounting point, the second mounting point, the third mounting point, the fourth mounting point, the fifth mounting point and the sixth mounting point are arranged on the longitudinal beam body of the automobile body.
The automobile body is provided with a rear auxiliary frame front fixing reinforcing plate, and the fifth mounting point is arranged on the rear auxiliary frame front fixing reinforcing plate.
And a seventh mounting point for mounting the multi-link suspension is arranged on the vehicle body, and the distance between the fifth mounting point and the fourth mounting point is smaller than the distance between the seventh mounting point and the fourth mounting point.
The utility model also provides a vehicle, include suspension mounting structure.
The utility model discloses a suspension mounting structure can realize that same platform carries on two kinds of back suspension forms, can realize the regional platformization of back floor moreover and continue to use, realizes the back suspension form switching of different platformization motorcycle types simultaneously based on this car platformization back floor structure.
Drawings
FIG. 1 is an isometric view of a multi-link suspension;
FIG. 2 is a bottom view of the multi-link suspension;
FIG. 3 is an isometric view of a torsion beam suspension;
FIG. 4 is a bottom view of the torsion beam suspension;
FIG. 5 is a schematic view of a multi-link suspension body mount arrangement;
FIG. 6 is a schematic view of the layout of the torsion beam suspension body mounting points;
the labels in the above figures are:
1. a fuel tank; 2. an activated carbon canister; 3. a multi-link suspension left rear trailing arm assembly; 4. a multi-link suspension right rear trailing arm assembly; 5. a multi-link suspension left rear shock absorber; 6. a multi-link suspension right rear shock absorber; 7. a left rear upper control arm assembly; 8. a right rear upper control arm assembly; 9. a multi-link suspension left rear brake assembly; 10. a multi-link suspension right rear brake assembly; 11. the left rear lower control arm of the multi-link suspension is provided with a spiral spring assembly; 12. the right rear lower control arm of the multi-link suspension is provided with a spiral spring assembly; 13. a rear frame assembly; 14. a rear stabilizer bar assembly; 15. an exhaust pipe; 16. a left rear longitudinal beam assembly of the multi-link suspension; 17. a multi-link suspension right rear longitudinal beam assembly; 18. a multi-link suspension rear floor lower beam; 19. a rear floor body; 20. a rear torsion beam suspension body; 3', a torsion beam suspension bracket is connected with the left rear connecting bracket; 4', a torsion beam suspension frame right rear connecting bracket; 5', a torsion beam suspension left rear shock absorber; 6', a torsion beam suspension right rear shock absorber; 9', a torsion beam suspension left rear brake; 10', a torsion beam suspension right rear brake; 11', the left rear lower control arm of the torsion beam suspension is provided with a spiral spring assembly; 12', the torsion beam suspension right rear lower control arm is provided with a spiral spring assembly; 16', a torsion beam suspension left rear longitudinal beam assembly; 17', a torsion beam suspension right rear longitudinal beam assembly; 18', a torsion beam suspension rear floor cross beam; a. a rear trailing arm assembly mounting point I of the multi-link suspension; b. a rear trailing arm assembly mounting point II of the multi-link suspension; c. a rear trailing arm assembly mounting point III of the multi-link suspension; d. a rear trailing arm assembly mounting point IV of the multi-link suspension; e. mounting points I of a rear frame of the multi-link suspension; f. a multi-link suspension rear coil spring support seat; g. mounting point II of the rear frame of the multi-link suspension; a', a torsion beam suspension rear trailing arm assembly mounting point I; b', a torsion beam suspension rear trailing arm assembly mounting point II; c', a torsion beam suspension rear trailing arm assembly mounting point III; d', a torsion beam suspension rear trailing arm assembly mounting point IV; e', a torsion beam suspension rear trailing arm assembly mounting point V; f', torsion beam suspension rear coil spring support seat.
Detailed Description
The following detailed description of the embodiments of the present invention is provided to help those skilled in the art to more fully, accurately and deeply understand the conception and the technical solution of the present invention, and to help them implement the same, by referring to the accompanying drawings and the description of the embodiments.
As shown in fig. 5 and 6, the utility model provides a suspension mounting structure, include set up on the automobile body and be used for the first mounting point, second mounting point and the third mounting point of multilink suspension and torsion beam suspension installation, set up on the automobile body and be used for the fourth mounting point and the fifth mounting point of multilink suspension installation and set up on the automobile body and be used for the sixth mounting point of torsion beam suspension installation, first mounting point and second mounting point are the mutual disposition, and third mounting point and fourth mounting point are the mutual disposition.
Specifically, as shown in fig. 5 and 6, the first mounting point and the second mounting point are on the same straight line parallel to the first direction, the third mounting point and the fourth mounting point are on the same straight line parallel to the first direction, the first mounting point and the fourth mounting point are on the same straight line parallel to the second direction, the second mounting point and the third mounting point are on the same straight line parallel to the second direction, the first direction and the second direction are perpendicular, and the first direction is parallel to the width direction of the vehicle body.
As shown in fig. 5, a rear subframe front fixed reinforcing plate is arranged on the vehicle body, a fifth mounting point for mounting the multi-link suspension is arranged on the rear subframe front fixed reinforcing plate, and the rear subframe front fixed reinforcing plate is a sheet metal part. The automobile body is provided with a seventh installation point for installing the multi-link suspension, the distance between the fifth installation point and the fourth installation point is smaller than the distance between the seventh installation point and the fourth installation point, the fifth installation point is located between the fourth installation point and the seventh installation point, the fourth installation point is located between the first installation point and the fifth installation point, and the rear spiral spring supporting seat of the multi-link suspension is located between the fifth installation point and the seventh installation point. The left rear longitudinal beam assembly of the automobile body is provided with a first mounting point, a second mounting point, a third mounting point, a fourth mounting point, a fifth mounting point and a sixth mounting point, the right rear longitudinal beam assembly of the automobile body is also provided with the first mounting point, the second mounting point, the third mounting point, the fourth mounting point, the fifth mounting point and the sixth mounting point, and the left rear longitudinal beam assembly and the right rear longitudinal beam assembly are arranged oppositely. The first mounting point, the second mounting point, the third mounting point and the fourth mounting point are distributed in a rectangular shape, and the first mounting point, the second mounting point, the third mounting point, the fourth mounting point, the fifth mounting point and the seventh mounting point are respectively provided with a through hole for a bolt to pass through.
As shown in fig. 5 and 6, an eighth mounting point for torsion beam suspension mounting is provided on the vehicle body, the first mounting point, the second mounting point and the third mounting point are three mounting points in common, the sixth mounting point is located adjacent to the fourth mounting point, the sixth mounting point is close to the fourth mounting point, the sixth mounting point, the first mounting point and the fourth mounting point are located on one side of the eighth mounting point, the second mounting point and the third mounting point are located on the other side of the eighth mounting point, and the distance between the eighth mounting point and the fourth mounting point is substantially equal to the distance between the eighth mounting point and the third mounting point. And an eighth mounting point is arranged on the left rear longitudinal beam assembly of the vehicle body, an eighth mounting point is also arranged on the right rear longitudinal beam assembly of the vehicle body, and a through hole for a bolt to pass through is respectively arranged at the sixth mounting point and the eighth mounting point.
As shown in fig. 1, 2 and 5, in the installation of the multi-link suspension, the front parts of the left rear trailing arm assembly 3 and the right rear trailing arm assembly 4 of the multi-link suspension are respectively connected and installed with the left rear longitudinal beam assembly 16 and the right rear longitudinal beam assembly 17 of the multi-link suspension through the trailing arm brackets, and the rear parts are respectively connected and installed with the left rear brake assembly 9 and the right rear brake assembly 10 of the multi-link suspension. The rear multi-link suspension frame assembly 13 is mounted through four mounting points: and a rear frame mounting point Ie (corresponding to a fifth mounting point) of the multi-link suspension and a rear frame mounting point IIg (corresponding to a seventh mounting point) of the multi-link suspension, wherein the mounting points e and g are symmetrically distributed on the left rear longitudinal beam assembly 16 and the right rear longitudinal beam assembly 17 of the multi-link suspension. One end of a multi-link suspension left rear lower control arm belt spiral spring assembly 11 and one end of a multi-link suspension right rear lower control arm belt spiral spring assembly 12 are respectively connected with a multi-link rear suspension rear frame assembly 13, the other end of the multi-link suspension left rear brake assembly 9 and the other end of the multi-link suspension right rear brake assembly 10, and the left and right spiral springs are respectively connected with a multi-link suspension rear spiral spring supporting seat f on a multi-link suspension left rear longitudinal beam assembly 16 and a multi-link suspension rear longitudinal beam assembly 17. The left rear shock absorber 5 and the right rear shock absorber 6 of the multi-link suspension are respectively connected with a mounting point on an upper vehicle body wheel cover through bolts. The exhaust duct 15 needs to be differentiated in exhaust duct arrangement schemes due to differences in rear suspension systems. The fuel tank 1 is shared by two suspension layouts and has no difference, the carbon tank 2 is integrated on the fuel tank 1, and the carbon tank 2 is installed and fixed through a clamping support structure of the fuel tank.
As shown in fig. 3, 4 and 6, for the installation of the torsion beam suspension, the front parts of the left rear connecting bracket 3 'and the right rear connecting bracket 4' of the torsion beam suspension are respectively connected with the left rear longitudinal beam assembly 16 'and the right rear longitudinal beam assembly 17' of the torsion beam suspension through the trailing arm brackets, the rear parts of the left rear connecting bracket and the right rear connecting bracket are connected with the torsion beam suspension body, and the left rear lower control arm belt spiral spring assembly 11 'and the right rear lower control arm belt spiral spring assembly 12' of the torsion beam suspension are integrated, and the two outer sides of the torsion beam body are respectively connected with the left rear brake 9 'and the right rear brake 10' of the torsion beam suspension. The torsion beam suspension left rear lower control arm belt spiral spring assembly 11 'and the torsion beam suspension right rear lower control arm belt spiral spring assembly 12' are respectively connected with spring trays integrated on the torsion beam suspension left rear longitudinal beam assembly 16 'and the torsion beam suspension right rear longitudinal beam assembly 17' in a pressing mode. The torsion beam suspension left rear shock absorber 5 'and the torsion beam suspension right rear shock absorber 6' are respectively in bolted connection with a mounting point on an upper vehicle body wheel cover, and the upper vehicle body wheel cover shock absorber mounting point and the multi-link suspension are shared without difference. The exhaust duct 15 needs to be differentiated in exhaust duct arrangement schemes due to differences in rear suspension systems. The fuel tank 1 is shared by two suspension layouts and has no difference, the carbon tank 2 is integrated on the fuel tank 1, and the carbon tank 2 is installed and fixed through a clamping support structure of the fuel tank.
The suspension mounting structure of above-mentioned structure, its design principle follows along the development of usefulness, and necessary design is reserved and differentiation analysis are done at the design stage to automobile body and chassis part, and when later stage motorcycle type project specifically chose for carrying on the suspension, can switch according to the differentiation principle in earlier stage, realize the suspension form of two kinds of differences of the same automobile body compatibility. In summary, the design reservation is to reserve a mounting point structure of another suspension on the premise of satisfying the mounting of one suspension structure when designing the vehicle body and chassis structure, so as to realize the sharing of the main structure.
The chassis part, the difference between the multi-link suspension and the torsion beam suspension, the difference between the left and right rear brakes and the difference between brake pipelines. The automobile body part, in order to guarantee that many connecting rods rear suspension and torsion beam rear suspension maximize general, total difference everywhere, two kinds of differences wherein reserve for the structure, and two other differences reserve for the design, need switch over to specific rear suspension form.
First difference, structure reservation: the left rear longitudinal beam assembly 16, the right rear longitudinal beam assembly 17 and the under-floor cross beam 18 of the multi-link suspension are designed in a universal manner, and since the rear suspension is designed in a bilaterally symmetrical manner, only left side mounting parts of two types of suspensions will be described below.
When the multi-link rear suspension is installed, four points including a multi-link suspension rear trailing arm assembly installation point Ia (corresponding to a first installation point), a multi-link suspension rear trailing arm assembly installation point IIb (corresponding to a second installation point), a multi-link suspension rear trailing arm assembly installation point IIIc (corresponding to a fourth installation point) and a multi-link suspension rear trailing arm assembly installation point IVd (corresponding to a third installation point) are used for fixing.
When the torsion beam rear suspension is installed, the installation is carried out by using a torsion beam suspension rear trailing arm assembly installation point I a ' (corresponding to a first installation point), a torsion beam suspension rear trailing arm assembly installation point II b ' (corresponding to a second installation point), a torsion beam suspension rear trailing arm assembly installation point III c ' (corresponding to a sixth installation point), a torsion beam suspension rear trailing arm assembly installation point iv d ' (corresponding to a third installation point) and a torsion beam suspension rear trailing arm assembly installation point v e ' (corresponding to an eighth installation point), wherein: the mounting point a and the mounting point a ', the mounting points b and b ', the mounting points c and d ' are the same, the longitudinal beam body can be additionally designed and reserved with the mounting point d for mounting the fourth point of the front trailing arm bracket of the multi-connecting-rod rear suspension, and the mounting points c ' and e ' are used for mounting the front trailing arm bracket of the torsion beam rear suspension.
Second difference, design reservation: switching is required according to the suspension form: when the multi-connecting-rod rear suspension frame is installed, a multi-connecting-rod suspension rear frame installation point Ie (corresponding to a fifth installation point) needs to be provided, and due to the structural design and manufacturing feasibility problems of the rear longitudinal beam body, a rear auxiliary frame front fixed reinforcing plate needs to be added at the position. When the rear suspension is a multi-connecting rod, the metal plate is welded on the lower portion of the rear longitudinal beam body, and when the rear suspension is a torsion beam, the metal plate does not need to be added.
Third, designing reservation: switching is required according to the suspension form: because of the difference of the positions of the multi-connecting-rod rear suspension and the torsion beam rear suspension spring tray, when different rear suspensions are installed, the positions of the spring trays need to be matched according to the types of the suspensions, and extra tool fixtures need to be developed.
The fourth difference, structure reservation: because the mounting point at the rear part of the multi-connecting-rod rear suspension frame is positioned at the rear part of the rear longitudinal beam, the mounting point IIg (corresponding to the seventh mounting point) of the multi-connecting-rod rear suspension frame needs to be reserved when the rear longitudinal beam body structure is designed, and the reserved hole position does not influence the torsion beam suspension frame.
The above description is for illustrative purposes only, and it is obvious that the present invention is not limited by the above embodiments, and the present invention is not limited by the above description, and the present invention is applicable to other situations without any improvement or any substantial improvement.
Claims (7)
1. Suspension mounting structure, its characterized in that: the installation method comprises a first installation point, a second installation point and a third installation point which are arranged on a vehicle body and used for installing a multi-link suspension and a torsion beam suspension, a fourth installation point and a fifth installation point which are arranged on the vehicle body and used for installing the multi-link suspension and a sixth installation point which is arranged on the vehicle body and used for installing the torsion beam suspension, wherein the first installation point and the second installation point are oppositely arranged, and the third installation point and the fourth installation point are oppositely arranged.
2. The suspension mounting structure according to claim 1, wherein: the first mounting point and the second mounting point are positioned on the same straight line parallel to the first direction, the third mounting point and the fourth mounting point are positioned on the same straight line parallel to the first direction, the first mounting point and the fourth mounting point are positioned on the same straight line parallel to the second direction, the second mounting point and the third mounting point are positioned on the same straight line parallel to the second direction, and the first direction is vertical to the second direction.
3. The suspension mounting structure according to claim 1, wherein: and the position of the sixth mounting point is adjacent to that of the fourth mounting point, and the sixth mounting point is close to the fourth mounting point.
4. The suspension mounting structure according to any one of claims 1 to 3, wherein: the first mounting point, the second mounting point, the third mounting point, the fourth mounting point, the fifth mounting point and the sixth mounting point are arranged on the longitudinal beam body of the automobile body.
5. The suspension mounting structure according to any one of claims 1 to 3, wherein: the automobile body is provided with a rear auxiliary frame front fixing reinforcing plate, and the fifth mounting point is arranged on the rear auxiliary frame front fixing reinforcing plate.
6. The suspension mounting structure according to claim 5, wherein: and a seventh mounting point for mounting the multi-link suspension is arranged on the vehicle body, and the distance between the fifth mounting point and the fourth mounting point is smaller than the distance between the seventh mounting point and the fourth mounting point.
7. A vehicle, characterized in that: comprising the suspension mounting structure as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221006858.5U CN217435833U (en) | 2022-04-27 | 2022-04-27 | Suspension mounting structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221006858.5U CN217435833U (en) | 2022-04-27 | 2022-04-27 | Suspension mounting structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217435833U true CN217435833U (en) | 2022-09-16 |
Family
ID=83217727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221006858.5U Active CN217435833U (en) | 2022-04-27 | 2022-04-27 | Suspension mounting structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217435833U (en) |
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2022
- 2022-04-27 CN CN202221006858.5U patent/CN217435833U/en active Active
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