CN210760121U - Automobile trailing arm support and automobile - Google Patents
Automobile trailing arm support and automobile Download PDFInfo
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- CN210760121U CN210760121U CN201921073120.9U CN201921073120U CN210760121U CN 210760121 U CN210760121 U CN 210760121U CN 201921073120 U CN201921073120 U CN 201921073120U CN 210760121 U CN210760121 U CN 210760121U
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- trailing arm
- base
- automobile
- side wall
- arm support
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Abstract
The utility model discloses an automobile trailing arm support and an automobile, wherein the automobile trailing arm support comprises a base, the base is provided with a through groove, the outer periphery of the through groove is provided with a side wall, and the side wall protrudes towards one side of the base; the base is provided with a fixing part and a connecting part, the base adopts a variable cross-section design along the direction of the side wall, and the thickness of the fixing part is greater than that of the connecting part; by utilizing finite element topological optimization, the weight is reduced, the strength and the service life of the part are improved, the rigidity and the structural mode of the part are enhanced under the condition of not increasing the cost, and the riding comfort of an automobile is ensured; the integral casting molding reduces the installation process; can realize the adjustment of local mounting hole position through adjusting machine tooling frock to the support mounting point of difference, can save mould manufacturing cost, the support is along rate of utilization and scalability height, has improved the installation effectiveness, reduction in production cost and administrative cost.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to car trailing arm support and car.
Background
With the development of the technology, people have higher and higher requirements on the performance of the automobile, and particularly have higher and higher requirements on the overall comfort of the automobile; factors influencing the comfort of the automobile are the stability of the longitudinal arm of the automobile, because the longitudinal arm bears the longitudinal force of the whole automobile under the driving working condition, and simultaneously, the trim posture of the whole automobile is considered, and the longitudinal arm is required to be connected with a lower floor of the automobile body through a bracket; the trailing arm support is a key part for connecting the trailing arm and the chassis, and has higher requirement on the rigidity in order to avoid vibration and abnormal sound caused by the driving process of the automobile; in order to improve the stability of the whole vehicle and reduce noise transmission, the structural design of the trailing arm bracket needs to meet certain range of rigidity and mode; among the prior art, the trailing arm support generally is the steel material, and the trailing arm support of steel material is difficult to realize the design objective and weight is high, based on above problem, proposes the utility model discloses.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses an automobile trailing arm support and an automobile, wherein the automobile trailing arm support comprises a base, the base is provided with a through groove, the outer periphery of the through groove is provided with a side wall, and the side wall protrudes towards one side of the base; the base is provided with a fixing part and a connecting part, the base is designed in a variable cross section mode in the direction of the side wall, and the thickness of the fixing part is larger than that of the connecting part.
Further, the base and the side wall are integrally formed.
Further, the trailing arm support is made of aluminum alloy materials.
Further, the fixed part is provided with a mounting hole, and the mounting surface of the mounting hole is processed.
Furthermore, the side wall is provided with a plurality of connecting holes, and the mounting surfaces of the connecting holes are processed.
Further, the connecting part is connected with an automobile pipeline.
Furthermore, the side wall is provided with a fixing hole, and the fixing hole is connected with the dust cover.
Furthermore, the thickness between the fixing part and the base is in smooth transition, and the thickness between the connecting part and the base is in smooth transition.
The utility model discloses another aspect protects an automobile, has the trailing arm, include as above arbitrary the automobile trailing arm support.
Implement the embodiment of the utility model provides a, following beneficial effect has:
1. the utility model discloses an automobile trailing arm support utilizes finite element topological optimization, has reduced weight, has improved part intensity and life-span, has strengthened the rigidity and the structural mode of part under the condition that does not increase cost, has guaranteed the travelling comfort of taking of car.
2. The utility model discloses an automobile trailing arm support integrated casting shaping has reduced the installation technology;
3. the utility model discloses a car trailing arm support can realize the adjustment of local mounting hole position through adjusting the machine tooling frock to the support mounting point of difference, can save mould manufacturing cost, and the support is followed rate of utilization and scalability height, has improved installation effectiveness, reduction in production cost and administrative cost.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic top view of a trailing arm bracket according to the present invention;
FIG. 2 is a schematic view of the trailing arm bracket and trailing arm mounting of the present invention;
fig. 3 is a cross-sectional view of the trailing arm bracket and the trailing arm of the present invention.
Wherein the reference numerals in the figures correspond to:
1-a base; 2-a side wall; 11-a through groove; 12-a fixed part; 13-a connecting part; 121-mounting holes; 21-a connection hole; 22-fixing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, the embodiment provides an automobile trailing arm support, which includes a base 1, wherein the base 1 is provided with a through slot 11, a side wall 2 is provided on an outer periphery of the through slot 11, and the side wall 2 protrudes toward one side of the base 1; the base 1 is provided with a fixing portion 12 and a connecting portion 13, the base 1 is arranged along the direction of the side wall 2 and adopts a variable cross section design, and the thickness of the fixing portion 12 is larger than that of the connecting portion 13.
Preferably, the through slot 11 is arranged in the central area of the base 1, and the size of the through slot 11 is determined according to the actual vehicle type.
Preferably, a side wall 2 is disposed on an outer periphery of the through groove 11, the side wall 2 protrudes toward one side of the base 1, and the base 1 has an irregular shape.
Specifically, the height of the side wall 2 is determined according to the actual vehicle model design.
Preferably, the height of the side wall 2 is multiple.
Preferably, the side wall 2 is of variable cross-section design, determined by the magnitude of the stress strain.
Specifically, the thickness of base 1 different positions is different, the thickness of base 1 uses the topological optimization method to design, and according to the difference of the stress strain that different positions received, adopt the variable cross section design, to local region bodiness or attenuate, strengthened the rigidity and the structural mode of part like this under the condition that does not increase the cost, guaranteed the riding comfort of car, adopt the topological optimization design structure can satisfy the requirement of lightweight design moreover.
Preferably, the base 1 is provided with the mounting hole 121, and is connected to a vehicle body through the mounting hole 121.
Preferably, the accuracy requirement of the mounting surface of the mounting hole 121 is high, and the mounting hole needs to be fastened on a vehicle body with a bolt to reduce the vibration of the vehicle body.
Specifically, the mounting surface of the mounting hole 121 is processed to ensure a certain precision.
Preferably, the position of the mounting hole 121 is determined according to different vehicle models.
Specifically, the mounting hole 121 may be partially adjusted by adjusting a machining tool to different mounting points of the bracket.
Preferably, the base 1 is provided with a connecting portion 13, and the connecting portion 13 is irregular.
Specifically, the number and the positions of the connecting parts 13 are determined by adopting a topological optimization design according to an actual vehicle type.
Preferably, the base 1 is provided with a fixing portion 12, and the fixing portion 12 is irregular in shape.
Specifically, the number and the position of the fixing parts 12 are determined by adopting a topological optimization design according to an actual vehicle type.
Preferably, the side wall 2 and the base 1 are integrally formed, and the joint of the side wall 2 and the base 1 is in smooth transition, so that stress is reduced.
Specifically, the thickness of the cross section of the side wall 2 from the bottom surface to the top surface is different, the thickness of the side wall 2 is designed by using a topological optimization method, and the local area is thickened or thinned according to the difference of stress strains at different positions, so that the rigidity and the structural mode of the part are enhanced under the condition of not increasing the cost, the riding comfort of an automobile is ensured, and the requirement of light weight design can be met by adopting a topological optimization design structure.
Specifically, the cross section of the bottom surface of the side wall 2 is smaller than the cross section of the top surface of the side wall 2.
Preferably, the sidewall 2 is provided with a plurality of connection holes 21.
Preferably, the number of the connecting holes 21 is two, the connecting holes 21 are symmetrically arranged on the side wall, and the size and the specific position of the connecting holes 21 are determined according to the actual vehicle type.
Specifically, the mounting surface of the connecting hole 21 is processed to ensure a certain precision.
Specifically, the connecting hole 21 is used for movably connecting with the trailing arm.
Preferably, the sidewall 2 is provided with a fixing hole 22 through which a dust cover for dust prevention is connected.
Preferably, the longitudinal arm support is made of aluminum alloy materials, the overall size of the longitudinal arm support is smaller than that of a steel support in outline, the weight of the longitudinal arm support is lighter than that of the steel support, and the rigidity of the longitudinal arm support is improved.
The embodiment also provides an automobile which comprises the trailing arm and the trailing arm bracket, wherein the trailing arm is arranged on the connecting hole 21 of the trailing arm bracket, and the trailing arm is connected with the automobile body through the connecting hole 21. The automobile with the longitudinal arm support not only has the effect of facilitating the dismounting of the longitudinal arm support and the longitudinal arm, but also effectively reduces the processing cost due to the fact that the whole size of the longitudinal arm support is reduced.
Optionally, the trailing arm bracket can be used for mounting the trailing arm on the vehicle body and fixing the automobile pipeline connection on the trailing arm bracket, so that the integral assembly structure is compact. However, the present invention is not limited thereto, and the trailing arm bracket can be applied to other types of suspension systems.
Example 2
Referring to fig. 1 to 3, the embodiment provides an automobile trailing arm support, which includes a base 1, wherein the base 1 is provided with a through slot 11, a side wall 2 is provided on an outer periphery of the through slot 11, and the side wall 2 protrudes toward one side of the base 1; the base 1 is provided with a fixing portion 12 and a connecting portion 13, the base 1 is arranged along the direction of the side wall 2 and adopts a variable cross section design, and the thickness of the fixing portion 12 is larger than that of the connecting portion 13.
Preferably, the through slot 11 is arranged in the central area of the base 1, and the size of the through slot 11 is determined according to the actual vehicle type.
Preferably, a side wall 2 is disposed on an outer periphery of the through groove 11, the side wall 2 protrudes toward one side of the base 1, and the base 1 has an irregular shape.
Specifically, the height of the side wall 2 is determined according to the actual vehicle model design.
Preferably, the height of the side wall 2 is multiple.
Preferably, the side wall 2 is of variable cross-section design, determined by the magnitude of the stress strain.
Specifically, the thickness of base 1 different positions is different, the thickness of base 1 uses the topological optimization method to design, and according to the difference of the stress strain that different positions received, adopt the variable cross section design, to local region bodiness or attenuate, strengthened the rigidity and the structural mode of part like this under the condition that does not increase the cost, guaranteed the riding comfort of car, adopt the topological optimization design structure can satisfy the requirement of lightweight design moreover.
Preferably, the base 1 is provided with the mounting hole 121, and is connected to a vehicle body through the mounting hole 121.
Preferably, the accuracy requirement of the mounting surface of the mounting hole 121 is high, and the mounting hole needs to be fastened on a vehicle body with a bolt to reduce the vibration of the vehicle body.
Specifically, the mounting surface of the mounting hole 121 is processed to ensure a certain precision.
Preferably, the position of the mounting hole 121 is determined according to different vehicle models.
Specifically, the mounting hole 121 may be partially adjusted by adjusting a machining tool to different mounting points of the bracket.
Preferably, the base 1 is provided with a connecting portion 13, and the connecting portion 13 is irregular.
Specifically, the number and the positions of the connecting parts 13 are determined by adopting a topological optimization design according to an actual vehicle type.
Preferably, the base 1 is provided with a fixing portion 12, and the fixing portion 12 is irregular in shape.
Specifically, the number and the position of the fixing parts 12 are determined by adopting a topological optimization design according to an actual vehicle type.
Preferably, the side wall 2 and the base 1 are integrally formed, and the joint of the side wall 2 and the base 1 is in smooth transition, so that stress is reduced.
Specifically, the thickness of the cross section of the side wall 2 from the bottom surface to the top surface is different, the thickness of the side wall 2 is designed by using a topological optimization method, and the local area is thickened or thinned according to the difference of stress strains at different positions, so that the rigidity and the structural mode of the part are enhanced under the condition of not increasing the cost, the riding comfort of an automobile is ensured, and the requirement of light weight design can be met by adopting a topological optimization design structure.
Specifically, the cross section of the bottom surface of the side wall 2 is smaller than the cross section of the top surface of the side wall 2.
Preferably, the sidewall 2 is provided with a plurality of connection holes 21.
Preferably, the number of the connecting holes 21 is two, the connecting holes 21 are symmetrically arranged on the side wall, and the size and the specific position of the connecting holes 21 are determined according to the actual vehicle type.
Specifically, the mounting surface of the connecting hole 21 is processed to ensure a certain precision.
Specifically, the connecting hole 21 is used for movably connecting with the trailing arm.
Preferably, the sidewall 2 is provided with a fixing hole 22 through which a dust cover for dust prevention is connected.
Preferably, the longitudinal arm support is made of aluminum alloy materials, the overall size of the longitudinal arm support is smaller than that of a steel support in outline, the weight of the longitudinal arm support is lighter than that of the steel support, and the rigidity of the longitudinal arm support is improved.
The embodiment also provides an automobile which comprises the trailing arm and the trailing arm bracket, wherein the trailing arm is arranged on the connecting hole 21 of the trailing arm bracket, and the trailing arm is connected with the automobile body through the connecting hole 21. The automobile with the longitudinal arm support not only has the effect of facilitating the dismounting of the longitudinal arm support and the longitudinal arm, but also effectively reduces the processing cost due to the fact that the whole size of the longitudinal arm support is reduced.
Optionally, the trailing arm bracket can be used for mounting the trailing arm on the vehicle body and fixing the automobile pipeline connection on the trailing arm bracket, so that the integral assembly structure is compact. The present disclosure is not limited thereto and the trailing arm bracket may be applied to other types of suspension systems.
In the embodiment, finite element software is used for analyzing the structure of the automobile trailing arm bracket; the design flow of this embodiment is: the method comprises the steps of analyzing the weight, the strength, the rigidity and the mode of the originally designed steel trailing arm support, analyzing the stress-strain condition of the steel trailing arm support at different positions, carrying out topological optimization on the steel trailing arm support according to the stress-strain magnitude, specifically increasing the local thickness of the position with large stress-strain, decreasing the local thickness of the position with small stress-strain, reading the optimization result, changing the structural design, analyzing and verifying the structural strength and the rigidity performance, continuing to change the structural design if the structural strength and the rigidity are not satisfied, and finishing the optimization design when the strength performance of a new model reaches the design level of the same type of steel trailing arm support.
Although the present invention has been described in connection with the preferred embodiments, it is not intended to limit the invention to the embodiments described herein, but rather, to include various changes and modifications without departing from the scope of the invention.
The utility model discloses an automobile trailing arm support utilizes finite element topological optimization, has reduced weight, has improved part intensity and life-span, has strengthened the rigidity and the structural mode of part under the condition that does not increase the cost, has guaranteed the riding comfort of car; the integral casting molding reduces the installation process; can realize the adjustment of local mounting hole position through adjusting machine tooling frock to the support mounting point of difference, can save mould manufacturing cost, the support is along rate of utilization and scalability height, has improved the installation effectiveness, reduction in production cost and administrative cost.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (9)
1. The automobile trailing arm support is characterized by comprising a base (1), wherein the base (1) is provided with a through groove (11), the outer periphery of the through groove (11) is provided with a side wall (2), and the side wall (2) protrudes towards one side of the base (1);
be provided with fixed part (12) and connecting portion (13) on base (1), base (1) is followed lateral wall (2) direction adopts the variable cross section design, the thickness of fixed part (12) is greater than the thickness of connecting portion (13).
2. The trailing arm bracket according to claim 1, characterized in that the base (1) and the side wall (2) are integrally formed.
3. The automotive trailing arm bracket of claim 1, wherein the trailing arm bracket is made of aluminum alloy.
4. The trailing arm bracket for cars of claim 1, characterized in that the fixing part (12) is provided with a mounting hole (121), the mounting hole (121) being finished at its mounting face.
5. The trailing arm bracket according to claim 1, characterized in that the side wall (2) is provided with a plurality of connecting holes (21), and the mounting surfaces of the connecting holes (21) are finished.
6. The trailing arm bracket according to claim 1, characterized in that the connecting part (13) is connected to a vehicle pipe.
7. The trailing arm bracket according to claim 1, characterized in that the side wall (2) is provided with fixing holes (22), and the fixing holes (22) are connected with a dust cover.
8. The trailing arm bracket according to claim 4, characterized in that the thickness between the fastening portion (12) and the base (1) is smoothly transitioned and the thickness between the connecting portion (13) and the base (1) is smoothly transitioned.
9. An automobile having a trailing arm comprising at least the automobile trailing arm bracket of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921073120.9U CN210760121U (en) | 2019-07-10 | 2019-07-10 | Automobile trailing arm support and automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921073120.9U CN210760121U (en) | 2019-07-10 | 2019-07-10 | Automobile trailing arm support and automobile |
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| Publication Number | Publication Date |
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| CN210760121U true CN210760121U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921073120.9U Active CN210760121U (en) | 2019-07-10 | 2019-07-10 | Automobile trailing arm support and automobile |
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| CN (1) | CN210760121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320346A (en) * | 2021-06-30 | 2021-08-31 | 重庆长安汽车股份有限公司 | Rear trailing arm mounting structure and vehicle |
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2019
- 2019-07-10 CN CN201921073120.9U patent/CN210760121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320346A (en) * | 2021-06-30 | 2021-08-31 | 重庆长安汽车股份有限公司 | Rear trailing arm mounting structure and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220402 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Zhejiang liankong Technology Co., Ltd Address before: 318000 Chengdong gate head, Linhai City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd. Patentee before: Zhejiang Geely Holding Group Co., Ltd |
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| TR01 | Transfer of patent right |