CN204172635U - A kind of automobile suspension swinging arm structure - Google Patents
A kind of automobile suspension swinging arm structure Download PDFInfo
- Publication number
- CN204172635U CN204172635U CN201420567365.8U CN201420567365U CN204172635U CN 204172635 U CN204172635 U CN 204172635U CN 201420567365 U CN201420567365 U CN 201420567365U CN 204172635 U CN204172635 U CN 204172635U
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- CN
- China
- Prior art keywords
- hole
- lower plate
- upper plate
- plate
- swinging arm
- Prior art date
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- Expired - Fee Related
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/10—Constructional features of arms
- B60G2206/11—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The utility model provides a kind of automobile suspension swinging arm structure, comprise upper plate, lower plate, the first iron cover, the second iron cover and spring perch, upper plate is that two area of beds are narrow, middle wide, lower plate to be cross section the be parts of U-shaped, lower plate U-shaped sectional area two ends are large, middle little, upper plate and lower plate link together, and cross section is enclosed construction, spring perch is arranged on upper plate, and the first iron cover, the second iron are set on upper and lower plates two ends.The utility model guiding leverage dependent suspension lower swing arm, redesign the structure of lower swing arm, adopt opening upwards, cancel all brace panels, and upper and lower plates and front and back iron overlap to weld goes into an enclosed structure, welding sequence is reduced, again by the impact on swing arm soldering member intensity and rigidity of the diverse location of CAE sunykatuib analysis weld seam, have found best position while welding, not only on stiffness and strength, meet operating needs, improve the service life of suspension, and weight-loss ratio reaches 20%.
Description
Technical field
The utility model relates to automobile manufacturing field, particularly relates to a kind of automobile suspension swinging arm structure.
Background technology
Suspension ensures wheel or has resilient connection between vehicle bridge and automobile bearing system (vehicle frame or self-supporting body) and can transmitted load, relax impact, the general name of the relative assembly such as vehicle body position in damped vibration and vehicles traveling.
The topmost function of suspension transmits all force and moments acted between wheel and vehicle frame (or vehicle body), and the impact produced when relaxing its vehicle travels uneven road surface, the vibration of the bearing system caused thus of decaying, to ensure ride of vehicle.Resilient connection must be provided between wheel and vehicle frame or vehicle body for this reason, rely on elastic element to transmit vertical load between wheel or vehicle bridge and vehicle frame or vehicle body, and rely on its distortion to absorb energy, reach the object of buffering.
In addition, guarantee all force and moment reliable delivery between wheel and vehicle frame or vehicle body in suspension and determine that wheel is referred to as guiding mechanism relative to the connecting device of the placement property of vehicle frame or vehicle body.Path of motion when guiding mechanism determines wheel bounce and the change of wheel alignment parameter, and the position of roll center before and after automobile, thus the road-holding property of car load and anti-trim ability is have impact in very great achievement degree.
The dependent suspension of guiding leverage, tractive force and braking force and moment are born in pumping arm action, and lateral rod is for transmitting side force.In the braking that moves ahead, turning operating mode, cross in the operating modes such as dell operating mode, distortion operating mode, the in-use performance that lower swing arm requires to provide enough intensity, rigidity could meet swing arm, and the impact of the welding manner counter stress of the version of swing arm and weld seam is also very large.Even if same structure, the position difference due to welding also can cause intensity difference comparatively large, so select suitable position of weld can improve the strength and stiffness of structure, makes the safety of car load higher.
Existing guiding leverage dependent suspension lower suspension arm structure is as shown in figure (accompanying drawing 11,12): this swing arm soldering member component part is: 1-iron cover I; 2-brace panel I; 3-swing arm main body; 4-brace panel II; 5-spring perch; 6-brace panel III; 7-iron cover II.Open Side Down for wherein swing arm main body 3, and spring perch is directly welded on the top of swing arm, and swing arm two ends are overlapped with iron respectively and welded, and connects in the below of swing arm main body 3 and the inner brace panel 2,4,6 that passes through.
In making proof procedure, there is following problem in this structure:
1), brace panel causes Fabrication procedure to increase more, and pts wt is larger;
2), volume of part is large, is unfavorable for that chassis part space is arranged;
3), weld seam is many, and welding heat distortion is large, affect parts size precision, and cost is high;
4), swing arm body openings direction, and adopts semi-enclosed structure down, is unfavorable for swing arm bulk strength.
2, existing patented technology
1), a kind of lower swing arm component of automotive suspension (CN200920101382.1).
2), multi link rear suspension is with punching press top link (CN201320107208.4).
Utility model content
In order to solve problem in prior art, the utility model provides a kind of automobile suspension swinging arm structure, and comprise upper plate, lower plate, the first iron cover, the second iron cover and spring perch, upper plate is that two area of beds are narrow, middle wide, lower plate to be cross section the be parts of U-shaped, the U-shaped sectional area two ends of lower plate are large, middle little, upper plate and lower plate link together, cross section is enclosed construction, and spring perch is arranged on upper plate, and the first iron cover, the second iron are set on upper and lower plates two ends.
As further improvement of the utility model, described upper plate intermediate width is H, and two ends narrower part width h1=h2 is 0.4H ~ 0.6H.
As further improvement of the utility model, described upper plate and lower plate are by being welded together, and spring perch is welded on upper plate, and two iron covers are welded on upper and lower plates two ends.
As further improvement of the utility model, the first end of lower plate and the second end are provided with the welding distance of at least 5mm.
As further improvement of the utility model, after upper plate is connected with lower plate, the right end region of the swing arm of composition is wider than left end region, and described right end region is the one end near spring perch.
As further improvement of the utility model, in lower plate, h is the width of U-shaped plate bottom surface, bottom surface is provided with the 3rd hole and the 4th hole, 3rd hole and the 4th bore dia are 0.4h ~ 0.6h, the 3rd width between centers end, hole distance L3=h, the 4th width between centers end, hole distance L4=33mm ± 2mm.
As further improvement of the utility model, in lower plate 200, two Side symmetrical of U-shaped plate are provided with the 5th hole to the 9th hole, and the 5th hole is 0.4h ~ 0.6h to the 9th pore radius.
As further improvement of the utility model, the center of circle in the 5th hole is to the distance L5=h of lower plate 200 end, the distance L6 at the 5th hole and the 6th center, hole and the distance L7 at the 6th hole and seven apertures in the human head center is 2h, the distance L8=3h at seven apertures in the human head and octal center, the distance L9=2 h at octal and the 9th center, hole.
The beneficial effects of the utility model are:
The utility model guiding leverage dependent suspension lower swing arm, redesign the structure of lower swing arm, adopt opening upwards, cancel all brace panels, and upper and lower plates and front and back iron overlap to weld goes into an enclosed structure, welding sequence is reduced, again by the impact on swing arm soldering member intensity and rigidity of the diverse location of CAE sunykatuib analysis weld seam, have found best position while welding, not only on stiffness and strength, meet operating needs, improve the service life of suspension, and weight-loss ratio reaches 20%.
Accompanying drawing explanation
Fig. 1 is a kind of automobile suspension swinging arm structure of the utility model upper plate graphics;
Fig. 2 is a kind of automobile suspension swinging arm structure of the utility model upper plate birds-eye view;
Fig. 3 is a kind of automobile suspension swinging arm structure of the utility model upper plate lateral plan;
Fig. 4 is a kind of automobile suspension swinging arm structure of the utility model lower plate graphics;
Fig. 5 is a kind of automobile suspension swinging arm structure of the utility model lower plate birds-eye view;
Fig. 6 is a kind of automobile suspension swinging arm structure of the utility model lower plate lateral plan;
Fig. 7 is a kind of automobile suspension swinging arm structure of the utility model seam assembly graphics;
Fig. 8 is a kind of automobile suspension swinging arm structure of the utility model seam assembly upward view;
Fig. 9 is a kind of automobile suspension swinging arm structure of the utility model seam assembly birds-eye view;
Figure 10 is a kind of automobile suspension swinging arm structure of the utility model seam assembly lateral plan;
Figure 11 is prior art arm side view;
Figure 12 is prior art swing arm bottom view.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
A kind of swing arm structure is provided, meets the strength and stiffness requirement of car load, by layout rational in infrastructure, reach lightweight object and ensure life requirements simultaneously.This swing arm is made up of upper and lower two boards, need not brace panel, solves and welds by brace panel the problem of stress concentration caused; By the sunykatuib analysis of CAE butt welded seam position, improve the distribution of intensity; By going material process to the place of redundancy after cae analysis, reach the object of loss of weight.CAE (Computer Aided Engineering) is a kind of numerical approximation analysis method by the problem such as the analytical calculation of mechanical property and the optimal design of structural behaviour such as Computer Aided Solution complex engineering and product structure intensity, rigidity, buckling stability, dynamic response, heat transfer, three-dimensional multimer contact, elastoplasticity.
As Fig. 1 to Fig. 3, Fig. 1 is a kind of automobile suspension swinging arm structure of the utility model upper plate graphics; Fig. 2 is a kind of automobile suspension swinging arm structure of the utility model upper plate birds-eye view; Fig. 3 is a kind of automobile suspension swinging arm structure of the utility model upper plate lateral plan.The upper plate of swing arm is Steel Sheet part, and two area of beds are narrow, middle wide, rationally avoids lower plate and interferes.
Swing arm upper plate intermediate width is H, and two ends narrower part width h1=h2 is 0.4H ~ 0.6H, and the first hole 2, hole 1, second diameter is all about 0.4 h1 ~ 0.6 h1.
As shown in Figures 4 to 6, Fig. 4 is a kind of automobile suspension swinging arm structure of the utility model lower plate graphics; Fig. 5 is a kind of automobile suspension swinging arm structure of the utility model lower plate birds-eye view; Fig. 6 is a kind of automobile suspension swinging arm structure of the utility model lower plate lateral plan.Swing arm lower plate structure is be U-shaped by the cross section of Steel Sheet, and the U-shaped sectional area two ends of lower plate are large, middle little, effectively utilizes material, realizes lightweight.
In swing arm lower plate, h is U-shaped plate width, and wherein the 3rd hole 3 and the 4th hole 4 diameter are 0.4h ~ 0.6h, the 3rd width between centers end, hole 3 distance L3=h, 4th width between centers end, hole 4 distance L4=33mm ± 2mm, the first end 201 of lower plate 200 and the second end 202 are provided with the welding distance of at least 5mm, and the 5th hole 5 is in 0.4h ~ 0.6h, Fig. 6 to the 9th hole 9 radius, L5=h, L6=L7=2 h, L8=3h, L9=2 h.Two Side symmetrical of U-shaped plate are provided with the 5th hole 5 to the 9th hole 9.
As Fig. 7 to Fig. 9, Fig. 7 is a kind of automobile suspension swinging arm structure of the utility model seam assembly graphics; Fig. 8 is a kind of automobile suspension swinging arm structure of the utility model seam assembly upward view; Fig. 9 is a kind of automobile suspension swinging arm structure of the utility model seam assembly birds-eye view.A kind of automobile suspension swinging arm structure, this swing arm main body comprises upper plate 100, lower plate 200, first iron cover 300, second iron cover 400 and spring perch 500.
Swing arm upper and lower plates is by being welded together, and cross section is enclosed construction, and swing arm fusion length and position distribution rationally, effectively can improve the Stiffness Distribution of swing arm, reach the object reducing stress.Swing arm spring perch is welded on upper plate, and two iron covers are welded on upper and lower plates two ends.
Swing arm upper plate and lower plate adopt segmentation to weld, and the position of weld of spring perch and upper plate is as follows: position 30,40 is not welded; Position 50,60,70,80 is welded.
As shown in Figure 10, the right end region 19 of swing arm is wider than left end region 18, mainly little at position, region 18 stress through cae analysis, so done except material process at region 18 place, and open some lightening holes in the place that stress is little, realize the lightweight of swing arm with this.
A kind of opening direction that the utility model provides upwards, without the totally enclosed swing arm of brace panel:
This swing arm structure manufacturing process is simple, and main body is made up of the pressed sheet of two pieces of comparison rule, does not have additional brace panel, and the overall stamping material degree of utilization of part is high;
Swing arm cross section is enclosed construction, uses minimum material to improve bending resistant section coefficient, meets the requirement of part strength and rigidity, make part loss of weight simultaneously;
Optimize welding line length and location, the rigidity improving swing arm is distributed, and reduces part stress, reduces welding heat distortion and improves element precision.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. an automobile suspension swinging arm structure, it is characterized in that: comprise upper plate (100), lower plate (200), the first iron cover (300), the second iron cover (400) and spring perch (500), upper plate is that two area of beds are narrow, middle wide, lower plate (200) to be cross section the be parts of U-shaped, lower plate U-shaped sectional area two ends are large, middle little, upper plate (100) and lower plate (200) link together, cross section is enclosed construction, spring perch (500) is arranged on upper plate (100), and the first iron cover (300), the second iron cover (400) are arranged on upper and lower plates two ends.
2. a kind of automobile suspension swinging arm structure according to claim 1, is characterized in that: described upper plate (100) intermediate width is H, two ends narrower part width h1=h2 is 0.4H ~ 0.6H.
3. a kind of automobile suspension swinging arm structure according to claim 1, is characterized in that: described upper plate (100) and lower plate (200) are by being welded together, and spring perch (500) is welded on upper plate (100), and two iron covers are welded on upper and lower plates two ends.
4. a kind of automobile suspension swinging arm structure according to claim 1, is characterized in that: the first end (201) of lower plate (200) and the second end (202) are provided with the welding distance of at least 5mm.
5. a kind of automobile suspension swinging arm structure according to claim 1, it is characterized in that: after upper plate (100) is connected with lower plate (200), the right end region (19) of the swing arm of composition is wider than left end region (18), described right end region (19) is the one end near spring perch (500).
6. a kind of automobile suspension swinging arm structure according to claim 1, it is characterized in that: in lower plate (200), h is the width of U-shaped plate bottom surface, bottom surface is provided with the 3rd hole (3) and the 4th hole (4), 3rd hole (3) and the 4th hole (4) diameter are 0.4h ~ 0.6h, 3rd hole (3) width between centers end distance L3=h, the 4th hole (4) width between centers end distance L4=33mm ± 2mm.
7. a kind of automobile suspension swinging arm structure according to claim 6, is characterized in that: in lower plate (200), and two Side symmetrical of U-shaped plate are provided with the 5th hole (5) to the 9th hole (9), and the 5th hole (5) is 0.4h ~ 0.6h to the 9th hole (9) radius.
8. a kind of automobile suspension swinging arm structure according to claim 7, it is characterized in that: the center of circle in the 5th hole (5) is to the distance L5=h of lower plate (200) end, the distance L6 at the 5th hole (5) and the 6th hole (6) center and the distance L7 at the 6th hole (6) and seven apertures in the human head (7) center is 2h, the distance L8=3h at seven apertures in the human head (7) and octal (8) center, the distance L9=2 h at octal (8) and the 9th hole (9) center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567365.8U CN204172635U (en) | 2014-09-29 | 2014-09-29 | A kind of automobile suspension swinging arm structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567365.8U CN204172635U (en) | 2014-09-29 | 2014-09-29 | A kind of automobile suspension swinging arm structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204172635U true CN204172635U (en) | 2015-02-25 |
Family
ID=52561471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420567365.8U Expired - Fee Related CN204172635U (en) | 2014-09-29 | 2014-09-29 | A kind of automobile suspension swinging arm structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204172635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309427A (en) * | 2014-09-29 | 2015-01-28 | 上汽通用五菱汽车股份有限公司 | Automobile suspension swinging arm structure |
-
2014
- 2014-09-29 CN CN201420567365.8U patent/CN204172635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309427A (en) * | 2014-09-29 | 2015-01-28 | 上汽通用五菱汽车股份有限公司 | Automobile suspension swinging arm structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20200929 |