CN111186271A - Trailing arm guide plate, trailing arm subassembly and vehicle - Google Patents
Trailing arm guide plate, trailing arm subassembly and vehicle Download PDFInfo
- Publication number
- CN111186271A CN111186271A CN202010065193.4A CN202010065193A CN111186271A CN 111186271 A CN111186271 A CN 111186271A CN 202010065193 A CN202010065193 A CN 202010065193A CN 111186271 A CN111186271 A CN 111186271A
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- China
- Prior art keywords
- trailing arm
- side wall
- bottom plate
- baffle
- present disclosure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present disclosure relates to a trailing arm guide plate, a trailing beam assembly and a vehicle. The trailing arm baffle includes: a base plate including opposite first and second ends, the first end being upwardly inclined; a sidewall disposed at an edge of the bottom plate, comprising: the first side wall is arranged on the inner side of the bottom plate, and the shape of the first side wall corresponds to the inner side curved surface of the trailing arm; the second side wall is arranged on the outer side of the bottom plate, and the outer surface of the second side wall is a convex curved surface; the end part side wall is arranged at the first end and is arc-shaped, one end of the end part side wall is connected with the first side wall, and the other end of the end part side wall is connected with the second side wall. The trailing arm guide plate is arranged below the longitudinal beam, so that wind resistance is optimized, and wind noise is reduced.
Description
Technical Field
The present disclosure generally relates to the field of automobiles, and more particularly to a trailing arm baffle, a trailing arm assembly, and a vehicle.
Background
In recent years, people pay attention to the driving smoothness and driving safety of automobiles, and pay more and more attention to the NVH (noise, vibration and harshness) performance of the automobiles, in order to meet the requirements of customers, a multi-link independent suspension system is widely applied to an automobile chassis, and the arrangement of suspensions has great influence on the NVH performance of the whole automobiles.
In the existing two-link independent suspension of the trailing arm, a lower control arm mounting structure of the trailing arm has a wind blocking effect when a vehicle runs at high speed, meanwhile, the lower part of the trailing arm is provided with a positioning hole, a drain hole and a lightening hole, and the wind direction of a chassis passes through the holes to generate whistle when the vehicle runs at high speed.
Disclosure of Invention
The present disclosure aims to provide a trailing arm guide plate, a trailing arm assembly and a vehicle, wherein the trailing arm guide plate is arranged below the trailing arm, optimizes wind noise and protects the trailing arm.
One embodiment of the present disclosure provides a trailing arm baffle comprising: a floor including opposing first and second ends, the first end being upwardly inclined; a sidewall disposed at an edge of the bottom plate, including: the first side wall is arranged on the inner side of the bottom plate, and the shape of the first side wall corresponds to the inner side curved surface of the trailing arm; the second side wall is arranged on the outer side of the bottom plate, and the outer surface of the second side wall is a convex curved surface; the end part side wall is arranged at the first end and is arc-shaped, one end of the end part side wall is connected with the first side wall, and the other end of the end part side wall is connected with the second side wall.
According to some embodiments of the disclosure, the second end is provided with a drainage projection corresponding to a lower control arm mounting structure of the trailing arm.
According to some embodiments of the disclosure, the outer surface of the drainage protrusion is semi-conical.
According to some embodiments of the disclosure, the width of the base plate gradually increases from the first end to the second end.
According to some embodiments of the disclosure, the top of the first sidewall extends outwardly beyond the cuff.
According to some embodiments of the present disclosure, a plurality of fixing columns are provided on the upper surface of the bottom plate, and through holes for mounting the trailing arm guide plate are provided on the fixing columns.
According to some embodiments of the present disclosure, the bottom plate has a reinforcing rib on an upper surface thereof.
According to some embodiments of the disclosure, transition fillets are provided at positions where the bottom plate and the side walls are connected.
One embodiment of the present disclosure provides a trailing arm assembly, comprising: the trailing arm and as above the trailing arm guide plate, the trailing arm guide plate install in the bottom surface of trailing arm, first end is close to the plantago end.
One embodiment of the present disclosure provides a vehicle including the trailing arm assembly as described above.
The trailing arm guide plate is arranged below the trailing arm and is tightly attached to the bottom surface of the trailing arm, so that the wind resistance of the whole vehicle is optimized, and the wind noise generated by the trailing arm is reduced; the longitudinal arm guide plate plays a role in protecting the longitudinal arm, the phenomenon that the paint surface falls off due to the fact that the longitudinal arm is hit by sand and stones is avoided, and the possibility of rusting of the longitudinal arm is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure. In the drawings:
FIG. 1 illustrates a schematic view of a trailing arm of an embodiment of the present disclosure;
FIG. 2 illustrates a schematic bottom view of a trailing arm according to an embodiment of the present disclosure;
FIG. 3 illustrates a schematic view of a trailing arm baffle of an embodiment of the present disclosure;
FIG. 4 illustrates a schematic bottom view of a trailing arm assembly according to an embodiment of the present disclosure;
FIG. 5 illustrates a schematic view of a trailing arm assembly according to an embodiment of the present disclosure.
List of reference numerals:
100 trailing arms; 110 lower control arm mounting structure; 120 lightening holes; 130 drain holes; 140 inner curved surface of trailing arm; 150 outer curved surfaces of the trailing arms;
200 trailing arm baffles; 200a first end; 200b a second end; 210 a backplane; 220 side walls; 221 a first sidewall; 222 a second side wall; 223 end side walls; 224 flanging; 230 a drainage protrusion; 240 fixing columns; 240 through holes; 250 reinforcing ribs; 251 a first reinforcing rib; 252 second reinforcing bars.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments can be modified in various different ways, without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "straight", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present disclosure. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.
Throughout the description of the present disclosure, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or otherwise in communication with one another; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the disclosure. To simplify the disclosure of the present disclosure, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present disclosure. Moreover, the present disclosure may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The preferred embodiments of the present disclosure will be described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustrating and explaining the present disclosure and are not intended to limit the present disclosure.
Example 1
As shown in fig. 1 and 2, a lower control arm mounting structure 110 is provided on a trailing arm 100 of the suspension, and the lower control arm mounting structure 110 may generate wind resistance during the driving of the vehicle. The trailing arm 100 is further provided with a lightening hole 120, a drainage hole 130, and the like, which generate a whistle when the vehicle is driven at high speed.
As shown in fig. 3, to optimize wind resistance, reduce wind noise, and provide better protection for the trailing arm 100, embodiments of the present disclosure provide a trailing arm baffle 200. The trailing arm baffle 200 includes a floor 210 and a sidewall 220 positioned on the floor 210.
The base plate 210 includes opposing first and second ends 200a and 200b, wherein the first end 200a is upwardly inclined. When the trailing arm air deflector 200 is installed, the first end 200a is a windward end, and the first end 200a is arranged to be inclined upwards, so that the leading of the trailing arm air deflector 200 to wind is facilitated, and the wind resistance is reduced.
The sidewalls 220 include a first sidewall 221, a second sidewall 222, and an end sidewall 223, and the sidewalls 220 are disposed on the upper surface of the bottom plate 210 at the edge of the bottom plate 210, that is, the sidewalls 220 extend along the edge of the bottom plate 210. The floor 210 and sidewalls 220 form a trough-like structure that is open at the top and second ends.
The first sidewall 221 is disposed at an inner side of the bottom plate 210. The first sidewall 221 is curved, and the first sidewall 221 extends to correspond to the inner curved surface 140 of the trailing arm 100. When the trailing arm air deflector 200 is installed, the first side wall 221 is positioned below the inner curved surface 140 of the trailing arm 100.
The second sidewall 222 is disposed outside the bottom plate 210. The second sidewall 222 has a curved structure, and the outer surface of the second sidewall 222 is a convex curved surface. When the trailing arm baffle 200 is installed, the second sidewall 222 is positioned below the outer curved surface 150 of the trailing arm. In this embodiment, the length of the second sidewall 222 is about half of the length of the outer edge of the bottom plate 210.
An end sidewall 223 is disposed at the first end 200 a. The end side wall 223 has an arc shape. The end side wall 223 is connected to the first side wall 221 at one end and to the second side wall 223 at the other end to form the side wall 220 of the trailing arm baffle 200. The rounded end side wall 223 facilitates diversion of wind. The upper surfaces of the first side wall 221, the second side wall 222, and the end side wall 223 are flush to facilitate the mounting of the trailing arm baffle 200 on the trailing arm 100.
The shape of the first sidewall 221 corresponds to the inner curved surface 140 of the trailing arm 100, and the outer surface of the second sidewall 222 is a convex curved surface, which is beneficial to optimizing the flow direction of wind and reducing wind resistance.
The trailing arm baffle 200 of the present embodiment is disposed below the trailing arm 100 and is in close contact with the bottom surface of the trailing arm 100. When the automobile runs, the longitudinal arm guide plate 200 plays a role in guiding wind, and the wind resistance of the whole automobile is optimized. The trailing arm baffle 200 covers a substantial portion of the holes in the trailing arm 100, reducing wind noise generated by the trailing arm 100. The trailing arm guide plate 200 protects the trailing arm 100, and prevents the trailing arm 100 from rusting due to falling off of a paint surface caused by hitting with sand and stones.
According to an alternative embodiment of the present disclosure, a drainage protrusion 230 protruding downward is disposed at the second end 200b of the bottom plate. The drainage projection 230 corresponds to the lower control arm mounting structure 110 of the trailing arm. After the trailing arm guide plate 200 is installed, the drainage protrusion 230 substantially covers the lower control arm installation structure 110, and the drainage protrusion 230 performs a drainage function on wind to prevent the lower control arm installation structure 110 from generating wind resistance.
Optionally, the outer surface of the drainage protrusion 230 is semi-conical, and the inner portion is a semi-conical groove. The tip of the flow-inducing protrusion 230 is directed toward the first end 200a, facilitating the guidance of the wind by the flow-inducing protrusion 230.
According to an alternative aspect of the present disclosure, the width of the bottom plate 210 gradually increases from the first end 200a to the second end 200 b. The first end 200a is used as a windward end, and the width of the bottom plate 210 is gradually increased from the first end 200a to the second end 200b, so that the air guide of the trailing arm guide plate 200 to the wind is facilitated, and the effect of reducing the wind resistance of the trailing arm guide plate 200 is improved.
According to an alternative aspect of the present disclosure, a flange 224 extends outwardly from the top of the first sidewall 221. The provision of the flanges 224 may increase the stiffness of the side walls 220 and improve the reliability of the trailing arm baffle 200.
As shown in fig. 4, according to an alternative embodiment of the present disclosure, a plurality of fixing posts 240 are disposed on the upper surface of the bottom plate 210, and through holes 241 for installing the trailing arm deflectors are disposed on the fixing posts 240. In this embodiment, the number of the fixing posts 240 is three. The diameter of the fixing post 240 is gradually reduced from the bottom end to the top end. The top surfaces of the fixing columns 240 are planes, and the top surfaces of the three fixing columns 240 are located on the same horizontal plane, so that the longitudinal arm guide plate 200 can be conveniently installed. When the trailing arm baffle 200 is fixed, the screw penetrates through the through hole 241 to be in threaded connection with the trailing arm 100, and the screw is fastened to realize the installation and fixation of the trailing arm baffle 200.
According to an alternative aspect of the present disclosure, the bottom plate 210 has a rib 250 on an upper surface thereof. In this embodiment, the reinforcing ribs 250 include a first reinforcing rib 251 and a second reinforcing rib 252. The first reinforcing bead 251 extends in the longitudinal direction of the base plate 210, and the second reinforcing bead 252 extends in the width direction of the base plate 210.
According to an optional technical scheme of the present disclosure, transition fillets are arranged at positions where the bottom plate 210 and the side walls 220 are connected, so that stress concentration of the trailing arm baffle 200 is avoided.
Example 2
As shown in fig. 4 and 5, embodiments of the present disclosure provide a trailing arm assembly. The trailing arm assembly includes: a trailing arm 100 and the trailing arm baffle 200 described above. The trailing arm baffle 200 is mounted to the bottom surface of the trailing arm 100 with the first end 200a near the forward end of the vehicle, i.e., the first end 200a is directed toward the vehicle head.
Example 3
Embodiments of the present disclosure provide a vehicle including the trailing arm assembly described above. The trailing arm assembly of the present embodiment functions to optimize wind resistance and reduce wind noise, and the trailing arm baffle 200 simultaneously functions to protect the trailing arm 100.
The above description is only exemplary of the present disclosure and should not be taken as limiting the disclosure, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of protection of the present disclosure.
Finally, it should be noted that: although the present disclosure has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. A trailing arm baffle, comprising:
a floor including opposing first and second ends, the first end being upwardly inclined;
a sidewall disposed at an edge of the bottom plate, including:
the first side wall is arranged on the inner side of the bottom plate, and the shape of the first side wall corresponds to the inner side curved surface of the trailing arm;
the second side wall is arranged on the outer side of the bottom plate, and the outer surface of the second side wall is a convex curved surface;
the end part side wall is arranged at the first end and is arc-shaped, one end of the end part side wall is connected with the first side wall, and the other end of the end part side wall is connected with the second side wall.
2. The trailing arm baffle of claim 1 wherein the second end is provided with a drainage projection corresponding to a lower control arm mounting structure of the trailing arm.
3. The trailing arm baffle of claim 2 wherein the outer surface of the flow directing lobe is semi-conical.
4. The trailing arm baffle of claim 1 wherein the floor increases in width from the first end to the second end.
5. The trailing arm baffle of claim 1 wherein a flange extends outwardly from a top of the first sidewall.
6. The trailing arm air deflector of claim 1, wherein a plurality of fixing posts are disposed on the upper surface of the bottom plate, and through holes for mounting the trailing arm air deflector are disposed on the fixing posts.
7. The trailing arm air deflector of claim 1, wherein the bottom plate has a reinforcement rib on an upper surface thereof.
8. The trailing arm baffle of claim 1 wherein transition fillets are provided at locations where the floor joins the sidewalls.
9. A trailing arm assembly, comprising:
a trailing arm;
the trailing arm baffle of any one of claims 1-8, wherein the trailing arm baffle is mounted to a bottom surface of the trailing arm, the first end being proximate a forward end of the vehicle.
10. A vehicle comprising the trailing arm assembly of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065193.4A CN111186271A (en) | 2020-01-20 | 2020-01-20 | Trailing arm guide plate, trailing arm subassembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065193.4A CN111186271A (en) | 2020-01-20 | 2020-01-20 | Trailing arm guide plate, trailing arm subassembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111186271A true CN111186271A (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010065193.4A Pending CN111186271A (en) | 2020-01-20 | 2020-01-20 | Trailing arm guide plate, trailing arm subassembly and vehicle |
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| Country | Link |
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| CN (1) | CN111186271A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026464A (en) * | 2020-08-11 | 2020-12-04 | 宁波吉利汽车研究开发有限公司 | A water conservancy diversion structure, air suspension swing arm and vehicle for air suspension swing arm |
| CN113799564A (en) * | 2021-08-30 | 2021-12-17 | 岚图汽车科技有限公司 | Front suspension control arm |
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| CN104097476A (en) * | 2013-04-11 | 2014-10-15 | 奥迪股份公司 | Method for producing an air guide for a suspension arm and suspension arm with an air guide |
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| CN207902164U (en) * | 2018-01-02 | 2018-09-25 | 北京汽车股份有限公司 | Air deflection assemblies for vehicle and the vehicle with it |
| CN209719181U (en) * | 2019-04-02 | 2019-12-03 | 杭州杭铨高斯康机电有限公司 | The excellent suspension control arm of damping performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2051691A (en) * | 1979-05-18 | 1981-01-21 | Cadbury Schweppes Transport | Vehicle air deflector |
| DE102011052175A1 (en) * | 2011-07-27 | 2013-01-31 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Air guiding device for use in control lever arrangement for supplying airflow to wheel brake of motor car, has attachment element comprising openings that are located at distance from each other and retain bifurcated fixing piece of lever |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026464A (en) * | 2020-08-11 | 2020-12-04 | 宁波吉利汽车研究开发有限公司 | A water conservancy diversion structure, air suspension swing arm and vehicle for air suspension swing arm |
| CN113799564A (en) * | 2021-08-30 | 2021-12-17 | 岚图汽车科技有限公司 | Front suspension control arm |
| CN113799564B (en) * | 2021-08-30 | 2023-07-07 | 岚图汽车科技有限公司 | Front suspension control arm |
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