CN209738723U - Front swing arm structure of independent suspension and vehicle - Google Patents
Front swing arm structure of independent suspension and vehicle Download PDFInfo
- Publication number
- CN209738723U CN209738723U CN201920427475.7U CN201920427475U CN209738723U CN 209738723 U CN209738723 U CN 209738723U CN 201920427475 U CN201920427475 U CN 201920427475U CN 209738723 U CN209738723 U CN 209738723U
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- China
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- swing arm
- arm portion
- independent suspension
- arm structure
- positioning hole
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Abstract
The utility model relates to a vehicle suspension field provides a preceding swing arm structure and vehicle of independent suspension, wherein, preceding swing arm structure includes first swing arm portion, second swing arm portion and reinforced pipe, first swing arm portion with second swing arm portion is partly range upon range of each other, the both ends of reinforced pipe are passed respectively first swing arm portion with second swing arm portion, and the both ends of reinforced pipe weld respectively in first swing arm portion with second swing arm portion. Independent suspension's preceding swing arm structure, through two range upon range of swing arm portions of reinforcing pipe welding, can improve the welding strength between the swing arm portion to improve preceding swing arm structure's whole wind degree, avoid or alleviate swing arm structure bending deformation.
Description
Technical Field
The utility model relates to a vehicle suspension technical field, in particular to independent suspension's preceding swing arm structure and vehicle.
Background
The Macpherson suspension has the advantages of simple structure, light weight, high response speed and the like, and can automatically adjust the camber angle of the wheel under the geometrical structure of a lower rocker arm and a strut, so that the Macpherson suspension can be adaptive to a road surface when a road is bent, the ground contact area of a tire is maximized, and the Macpherson suspension is not a suspension structure with high technical content, but the Macpherson suspension is satisfactory in driving comfort.
However, the front swing arm is weak in rigidity, heavy in weight, and the front bushing sleeve is easily broken by collision, which results in low ride, steering stability, and safety levels.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a front swing arm structure of an independent suspension to solve the problem of insufficient rigidity of the front swing arm structure.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
A front swing arm structure of an independent suspension, wherein the front swing arm structure includes a first swing arm portion, a second swing arm portion, and a reinforcing pipe, the first swing arm portion and the second swing arm portion are partially laminated on each other, both ends of the reinforcing pipe pass through the first swing arm portion and the second swing arm portion, respectively, and both ends of the reinforcing pipe are welded to the first swing arm portion and the second swing arm portion, respectively.
further, the first swing arm portion is arc-shaped plate-shaped, the second swing arm portion includes a connecting portion partially overlapping with the first swing arm portion and an extending portion extending out relative to the first swing arm portion, the connecting portion is welded to two sides of the first swing arm portion, and the extending portion is welded to a bushing portion.
Furthermore, two side edges of the first swing arm part are respectively provided with an outer side flanging and an inner side flanging, and the outer side flanging is provided with a notch for accommodating the extending part to extend out.
Further, the length of the weld between the extension and the bushing portion is greater than half of the perimeter of the bushing portion.
Furthermore, a plurality of groove portions are arranged on the first swing arm portion, and liquid leakage holes are formed in the groove portions on the lower side of the first swing arm portion.
Furthermore, one end of the first swing arm part is connected with an installation shaft in a welding mode, and the other end of the first swing arm part is provided with a plurality of main positioning holes.
Further, the first swing arm portion is provided with a first auxiliary positioning hole located near the reinforcing pipe, the second swing arm portion is provided with a second auxiliary positioning hole located near the reinforcing pipe, and the first auxiliary positioning hole and the second auxiliary positioning hole are concentric.
Furthermore, the aperture of the first auxiliary positioning hole is smaller than that of the second auxiliary positioning hole.
Furthermore, the thickness of the first swing arm part is 3mm-4mm, and the thickness of the second swing arm part is 5mm-6 mm.
compared with the prior art, independent suspension's preceding swing arm structure have following advantage:
Independent suspension's preceding swing arm structure, through two range upon range of swing arm portions of reinforcing pipe welding, can improve the welding strength between the swing arm portion to improve preceding swing arm structure's whole wind degree, avoid or alleviate swing arm structure bending deformation.
Another object of the present invention is to provide a method for solving the problem of insufficient structural rigidity of the front swing arm.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
A vehicle provided with a front swing arm structure of the independent suspension described in the above aspect.
The vehicle and the front swing arm structure of the independent suspension have the same advantages compared with the prior art, and the detailed description is omitted.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
Fig. 1 is a schematic view of a front swing arm structure of an independent suspension according to an embodiment of the present invention;
Fig. 2 is an exploded view of a front swing arm structure of an independent suspension according to an embodiment of the present invention;
Fig. 3 is a schematic structural view of a first swing arm according to an embodiment of the present invention;
Fig. 4 is a schematic structural view of a second swing arm according to an embodiment of the present invention.
Description of reference numerals:
1-a first swing arm part, 2-a second swing arm part, 3-a reinforcing pipe, 4-a bushing part, 5-a mounting shaft, 11-an outer flanging, 12-an inner flanging, 13-a notch, 14-a groove part, 15-a main positioning hole, 16-a first auxiliary positioning hole, 17-a liquid leakage hole, 21-a connecting part, 22-a protruding part and 23-a second auxiliary positioning hole.
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a preceding swing arm structure of independent suspension, wherein, preceding swing arm structure includes first swing arm portion 1, second swing arm portion 2 and reinforced pipe 3, first swing arm portion 1 with second swing arm portion 2 is range upon range of each other, the both ends of reinforced pipe 3 are passed respectively first swing arm portion 1 with second swing arm portion 2, and the both ends of reinforced pipe 3 weld respectively in first swing arm portion 1 with second swing arm portion 2.
The first swing arm portion 1 and the second swing arm portion 2 may be respectively stamped from a sheet metal member, as shown in fig. 1, the second swing arm portion 2 may partially overlap the first swing arm portion 1, and the overlapping portions of the first swing arm portion and the second swing arm portion may be connected by a reinforcing pipe 3, specifically, referring to fig. 2, the first swing arm portion 1 and the second swing arm portion 2 may respectively form through holes (not labeled), both ends of the reinforcing pipe 3 pass through the two through holes, and are respectively welded to the first swing arm portion 1 and the second swing arm portion 2 at the through holes.
the reinforcing tube 3 can reinforce the connection strength between the first swing arm portion 1 and the second swing arm portion 2, and particularly can increase the rigidity of the front swing arm structure at the position, and avoid or relieve the forced deformation of the front swing arm structure.
Specifically, the first swing arm portion 1 is arc-shaped plate-shaped, the second swing arm portion 2 includes a connecting portion 21 partially overlapping with the first swing arm portion 1 and a protruding portion 22 protruding from the first swing arm portion 1, the connecting portion 21 is welded to both side edges of the first swing arm portion 1, and the protruding portion 22 is welded to the bushing portion 4. As shown in fig. 1 and 3, the first swing arm portion 1 is substantially in the shape of a curved arc plate, as shown in fig. 4, the second swing arm portion 2 includes two portions, one of which is stacked on the first swing arm portion 1, i.e., a connecting portion 21, the connecting portion 21 is welded to (one section of) both side edges of the first swing arm portion 1, so as to improve the welding strength between the first swing arm portion 1 and the second swing arm portion 2, and the other of which is extended relative to the first swing arm portion 1, i.e., an extending portion 22, and a bushing portion 4 is welded to the extending portion 22, so that the bushing portion 4 can be connected with the structures of other components in a matching manner. That is, the bushing portion 22 is welded to the second swing arm portion 2 only.
Two side edges of the first swing arm part 1 are respectively provided with an outer flanging 11 and an inner flanging 12, and the outer flanging 11 is provided with a notch 13 for accommodating the extension part 22. As shown in fig. 3, the outer flange 11 and the inner flange 12 are on the same side of the first swing arm 1, and the connecting plate 21 is surrounded and sandwiched therebetween, and the connecting plate 21 is welded to the outer flange 11 and the inner flange 12. In addition, the outer flange 11 is provided with a cutout 13 to allow the protrusion 22 to protrude therefrom. Wherein, outside turn-ups 11 and inboard turn-ups 12 can set up to: the thickness of the plate is not less than 2 times the thickness of the flange, and the length of the flange is not more than 4 times the thickness of the plate, wherein the thickness of the plate refers to the thickness of the first swing arm part 1.
In particular, the length of the weld between the projection 22 and the bush part 4 is greater than half the circumference of the bush part 4. The bush portion 4 is substantially in the form of a sleeve, the outer peripheral surface of the bush portion 4 is welded to the extension portion 22 (plate-like structure), and the length of the weld therebetween is greater than half of the outer peripheral circumference of the bush portion 4 to ensure a sufficiently long weld therebetween and secure the connection strength.
The first swing arm 1 is provided with a plurality of groove portions 14, and the groove portions 14 on the lower side are provided with liquid leakage holes 17. The groove portion 14 may be formed by stamping on the first swing arm portion 1 to improve the strength and rigidity of the whole, and to alleviate or avoid bending deformation. In particular, as shown in fig. 3, the recess portion 14, which is on the lower side in the mounted state, is provided with a through-going weep hole 17, so as to allow drainage of accumulated water accumulated in the recess portion 14, or to avoid accumulation of accumulated water in the recess portion 14. Wherein, the depth of the groove portion 14 can be set as: the depth of the 2-fold plate thickness ≦ groove portion 14 is ≦ 3-fold plate thickness, which means the plate thickness of the first swing arm portion 1.
In addition, the first and second swing arm portions 1 and 2 may be provided with lightening holes.
In addition, an attachment shaft 5 is welded to one end of the first swing arm portion 1, and a plurality of main positioning holes 15 are provided at the other end of the first swing arm portion 1. The front swing arm structure may be connected to other components by a mounting shaft 5, the mounting shaft 5 is located at the rear upper end of the first swing arm portion 1, and the main positioning hole 15 is located at the front lower end of the first swing arm portion 1. The first swing arm portion 1 has a large volume relative to the second swing arm portion 2, when welding between the first swing arm portion 1 and the second swing arm portion 2 is performed, the first swing arm portion 1 can be fixed on a tool, and the main positioning hole 15 can be matched with a positioning pin on the tool to realize accurate positioning of the first swing arm portion 1.
Further, the first swing arm portion 1 is provided with a first auxiliary positioning hole 16 located near the reinforcing pipe 3, the second swing arm portion 2 is provided with a second auxiliary positioning hole 23 located near the reinforcing pipe 3, and the first auxiliary positioning hole 16 is concentric with the second auxiliary positioning hole 23. In order to weld the reinforcing pipe 3 to the first swing arm portion 1 and the second swing arm portion 2, respectively, the first swing arm portion 1 and the second swing arm portion 2 are relatively positioned so that the through hole in the first swing arm portion 1 is aligned with the through hole in the second swing arm portion 2, thereby allowing the reinforcing pipe 3 to pass through, and therefore, the first auxiliary positioning hole 16 and the second auxiliary positioning hole 23 are provided near the reinforcing pipe 3, and the through hole in the first swing arm portion 1 and the through hole in the second swing arm portion 2 can be concentrically aligned in a state where the first auxiliary positioning hole 16 and the second auxiliary positioning hole 23 are concentric.
Further, the aperture of the first auxiliary positioning hole 16 is smaller than the aperture of the second auxiliary positioning hole 23. When positioning, a two-section stepped shaft may be used, the section with the smaller outer diameter of the stepped shaft is inserted into the first auxiliary positioning hole 16, the section with the larger outer diameter is inserted into the second auxiliary positioning hole 23, and the stepped surface of the stepped shaft may be stopped on the first swing arm portion 1, so as to prevent the stepped shaft from axially moving relative to the first swing arm portion 1 and the second swing arm portion 2 and separating from the first swing arm portion 1 and the second swing arm portion 2.
Optionally, the thickness of the first swing arm part 1 is 3mm-4mm, and the thickness of the second swing arm part 2 is 5mm-6 mm. The first swing arm portion 1 and the second swing arm portion 2 may have a sufficient plate thickness to ensure sufficient strength, wherein the plate thickness of the second swing arm portion 2 may be larger to ensure that the bushing portion 4 can be independently supported by the protruding portion 22.
Additionally, the utility model also provides a vehicle, wherein, the vehicle is provided with above scheme independent suspension's preceding swing arm structure.
the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A front swing arm structure of an independent suspension, characterized in that the front swing arm structure includes a first swing arm portion (1), a second swing arm portion (2), and a reinforcing pipe (3), the first swing arm portion (1) and the second swing arm portion (2) are partially laminated to each other, both ends of the reinforcing pipe (3) pass through the first swing arm portion (1) and the second swing arm portion (2), respectively, and both ends of the reinforcing pipe (3) are welded to the first swing arm portion (1) and the second swing arm portion (2), respectively.
2. the front swing arm structure of an independent suspension according to claim 1, wherein the first swing arm portion (1) has an arc-shaped plate shape, the second swing arm portion (2) includes a connecting portion (21) partially overlapping the first swing arm portion (1) and a protruding portion (22) protruding with respect to the first swing arm portion (1), the connecting portion (21) is welded to both side edges of the first swing arm portion (1), and the bushing portion (4) is welded to the protruding portion (22).
3. The front swing arm structure of an independent suspension according to claim 2, wherein both side edges of the first swing arm portion (1) are provided with an outside flange (11) and an inside flange (12), respectively, and the outside flange (11) is provided with a notch (13) for accommodating the protrusion of the protrusion (22).
4. The front swing arm structure of an independent suspension according to claim 2, wherein the length of the weld between the projecting portion (22) and the bushing portion (4) is greater than half of the circumference of the bushing portion (4).
5. The front swing arm structure of an independent suspension according to claim 2, wherein the first swing arm portion (1) is provided with a plurality of groove portions (14), and the groove portion (14) on the lower side is provided with a weep hole (17).
6. The front swing arm structure of an independent suspension according to claim 2, wherein a mounting shaft (5) is welded to one end of the first swing arm portion (1), and the other end of the first swing arm portion (1) is provided with a plurality of main positioning holes (15).
7. the front swing arm structure of an independent suspension according to claim 2, wherein the first swing arm portion (1) is provided with a first auxiliary positioning hole (16) near the reinforcing pipe (3), and the second swing arm portion (2) is provided with a second auxiliary positioning hole (23) near the reinforcing pipe (3), the first auxiliary positioning hole (16) being concentric with the second auxiliary positioning hole (23).
8. The front swing arm structure of an independent suspension according to claim 7, wherein the aperture of the first auxiliary positioning hole (16) is smaller than the aperture of the second auxiliary positioning hole (23).
9. The front swing arm structure of an independent suspension according to claim 1, wherein the thickness of the first swing arm portion (1) is 3mm to 4mm, and the thickness of the second swing arm portion (2) is 5mm to 6 mm.
10. A vehicle, characterized in that the vehicle is provided with a front swing arm structure of an independent suspension according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427475.7U CN209738723U (en) | 2019-03-29 | 2019-03-29 | Front swing arm structure of independent suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427475.7U CN209738723U (en) | 2019-03-29 | 2019-03-29 | Front swing arm structure of independent suspension and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209738723U true CN209738723U (en) | 2019-12-06 |
Family
ID=68719348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920427475.7U Active CN209738723U (en) | 2019-03-29 | 2019-03-29 | Front swing arm structure of independent suspension and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209738723U (en) |
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2019
- 2019-03-29 CN CN201920427475.7U patent/CN209738723U/en active Active
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