CN216184293U - High-hardness anti-deformation lower swing arm forging - Google Patents
High-hardness anti-deformation lower swing arm forging Download PDFInfo
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- CN216184293U CN216184293U CN202122610504.3U CN202122610504U CN216184293U CN 216184293 U CN216184293 U CN 216184293U CN 202122610504 U CN202122610504 U CN 202122610504U CN 216184293 U CN216184293 U CN 216184293U
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- lower swing
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- arm body
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Abstract
The utility model discloses a high-hardness deformation-resistant lower swing arm forging, which comprises a lower swing arm body; the two ends of the lower swing arm body are respectively provided with a first connecting end and a second connecting end; the middle part of the lower swing arm body is provided with a connecting part; the upper end surface and the lower end surface of the lower swing arm body between the connecting part and the first connecting end are provided with a second concave part, and the upper end surface and the lower end surface of the lower swing arm body between the connecting part and the second connecting end are provided with a first concave part; the upper end face and the lower end face of the connecting portion, the first connecting end and the second connecting end protrude out of the upper end face and the lower end face of the lower swing arm body, the upper end face and the lower end face of the connecting portion and the second connecting end are flush, and the lower swing arm body between the connecting portion and the first connecting end is bent upwards and extends to enable the first connecting end to be higher than the connecting portion and the second connecting end. The lower swing arm body in a special shape is adopted, so that the lower swing arm body has good structural strength, the deformation of the lower swing arm body in the use process is reduced, and the stable running of an automobile is ensured.
Description
Technical Field
The utility model relates to the technical field of automobile lower swing arms, in particular to a high-hardness deformation-resistant lower swing arm forging.
Background
The automobile lower swing arm is also called as an automobile lower suspension, is an important part in an automobile, mainly supports an automobile body, and can be combined with a shock absorber and a spring to form a complete automobile suspension system for use. Most of the existing lower swing arms of the automobile are poor in overall strength, deformation is easily caused in the using process, the steering wheel is affected in positioning, and the driving stability and safety of the automobile cannot be guaranteed.
The lower swing arm body in a special shape is adopted, so that the lower swing arm body has good structural strength, the deformation of the lower swing arm body in the using process is reduced, and the stable running of an automobile is ensured.
Disclosure of Invention
The utility model aims to provide a high-hardness deformation-resistant lower swing arm forging to solve the problems in the background technology.
In order to achieve the above purpose, the solution of the utility model is: a high-hardness deformation-resistant lower swing arm forging comprises a lower swing arm body; the two ends of the lower swing arm body are respectively provided with a first connecting end and a second connecting end; the center of the first connecting end is provided with a first connecting hole, and the center of the second connecting end is provided with a second connecting hole; the middle part of the lower swing arm body is provided with a connecting part, and the center of the connecting part is provided with a connecting hole III; the upper end surface and the lower end surface of the lower swing arm body between the connecting part and the first connecting end are provided with a second concave part, and the upper end surface and the lower end surface of the lower swing arm body between the connecting part and the second connecting end are provided with a first concave part; the upper end face and the lower end face of the connecting portion, the first connecting end and the second connecting end protrude out of the upper end face and the lower end face of the lower swing arm body, the upper end face and the lower end face of the connecting portion and the second connecting end are flush, and the lower swing arm body between the connecting portion and the first connecting end is bent upwards and extends to enable the first connecting end to be higher than the connecting portion and the second connecting end.
Further, the lower swing arm body is machined through a precision forging process.
Furthermore, the thickness of the lower swing arm body is 45 +/-0.1 mm; the upper end surface and the lower end surface of the connecting part and the second connecting end protrude out of the upper end surface and the lower end surface of the lower swing arm body by 3.75 mm; the upper end surface and the lower end surface of the connecting end are protruded 7.5mm from the upper end surface and the lower end surface of the lower swing arm body; the distance between the upper end face of the first connecting end and the lower end face of the second connecting end is 147.5 +/-0.1 mm.
Furthermore, the joints of the upper end surface and the lower end surface of the connecting part, the connecting end I and the connecting end II and the lower swing arm body are all in arc transition, and the radius of the arc is 3 mm.
Further, the up end of link two evenly is equipped with the fixed orifices, and the number of fixed orifices is no less than 3.
Further, the depth of the first concave part and the second concave part is 10 +/-0.1 mm; the corners of the first concave part and the second concave part are both set to be arc angles, and the radius of each arc angle is 5 mm.
Furthermore, the arrangement directions of the holes of the first connecting hole, the second connecting hole and the third connecting hole are the same; the distance between the central axes of the first connecting hole and the second connecting hole is 502 +/-0.1 mm; the distance between the central axes of the second connecting hole and the third connecting hole is 160 +/-0.1 mm.
Furthermore, limiting grooves are formed in the first connecting hole and the second connecting hole, and the diameter of each limiting groove is larger than that of the first connecting hole and that of the second connecting hole.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the utility model, the lower swing arm body with a special shape is adopted, so that the lower swing arm body has good structural strength, the deformation of the lower swing arm body in the use process is reduced, and the stable running of an automobile is ensured;
(2) according to the utility model, the first connecting end and the second connecting end are arranged at the two ends of the lower swing arm body, and the connecting part is arranged between the first connecting end and the second connecting end, so that the lower swing arm body is assembled with the bushing, the ball pin and the shock absorber assembly, and the lower swing arm body can be assembled and used on an automobile after being connected with other accessories;
(3) according to the utility model, by adopting the first concave part and the second concave part, the volume and the weight of the lower swing arm body can be reduced, the lower swing arm body is lightened, and the material cost in the manufacturing process of the lower swing arm body is reduced.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic cross-sectional view taken at B in FIG. 2 according to the present invention;
FIG. 5 is a schematic cross-sectional view taken at C of FIG. 2 according to the present invention;
FIG. 6 is a schematic cross-sectional view taken at D in FIG. 2 according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the lower swing arm comprises a lower swing arm body 1, a connecting portion 2, a first concave portion 3, a first connecting end 4, a first connecting hole 5, an opening section 51, a first limiting groove 52, a connecting section 53, a second connecting end 6, a second concave portion 7, a second connecting hole 8, an accommodating hole 81, a second limiting groove 82 and a third connecting hole 9.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
The first embodiment is as follows:
as shown in fig. 1-6, a high-hardness deformation-resistant lower swing arm forging comprises a lower swing arm body 1; the two ends of the lower swing arm body 1 are respectively provided with a first connecting end 4 and a second connecting end 6; the center of the first connecting end 4 is provided with a first connecting hole 5, and the center of the second connecting end 6 is provided with a second connecting hole 8; the middle part of the lower swing arm body 1 is provided with a connecting part 2, and the center of the connecting part 2 is provided with a connecting hole III 9; the upper end face and the lower end face of the lower swing arm body 1 between the connecting part 2 and the connecting end I4 are provided with a second concave part 7, and the upper end face and the lower end face of the lower swing arm body 1 between the connecting part 2 and the connecting end II 6 are provided with a first concave part 3; the upper end face and the lower end face of the connecting part 2, the connecting end I4 and the connecting end II 6 are protruded out of the upper end face and the lower end face of the lower swing arm body 1, the upper end face and the lower end face of the connecting part 2 and the connecting end II 6 are kept flush, and the lower swing arm body 1 between the connecting part 2 and the connecting end I4 is bent upwards and extends to enable the connecting end I4 to be higher than the connecting part 2 and the connecting end II 6; the connecting part 2 can be used as a connecting seat of the shock absorber assembly and assembled with an external shock absorber, so that the lower swing arm body 1 can be assembled and used on an automobile after being connected with other accessories; the first concave part 3 and the second concave part 7 can reduce the volume and the weight of the lower swing arm body 1, so that the lower swing arm body 1 is light, and the material cost in the manufacturing process of the lower swing arm body 1 is reduced; the lower swing arm body 1 in a special shape has good structural strength, and the deformation phenomenon is reduced;
in the embodiment, the lower swing arm body 1 is processed by a precision forging process; the lower swing arm body 1 is machined through precision forging processes such as pre-forging, splitting, finish forging and the like, and the lower swing arm body 1 is subjected to splitting treatment, so that the length of a blank to be prepared by initial pre-forging can be reduced by nearly one half, the machining allowance in the machining process of the lower swing arm body 1 can be reduced, the production cost and the machining difficulty are reduced, the machining precision of subsequent steps of the lower swing arm body 1 is improved, and the quality of a finished product of the lower swing arm body 1 is improved;
in the embodiment, the thickness of the lower swing arm body 1 is 45 +/-0.1 mm; the upper end surface and the lower end surface of the connecting part 2 and the connecting end II 6 are protruded by 3.75mm from the upper end surface and the lower end surface of the lower swing arm body 1; the upper end surface and the lower end surface of the first connecting end 4 are protruded 7.5mm from the upper end surface and the lower end surface of the lower swing arm body 1; the distance between the upper end face of the first connecting end 4 and the lower end face of the second connecting end 6 is 147.5 +/-0.1 mm; the thicknesses of the connecting part 2, the connecting end I4 and the connecting end II 6 are all larger than that of the lower swing arm body 1, so that the parts can have good structural strength and stability after being assembled with the connecting part 2, the connecting end I4 and the connecting end II 6;
as shown in fig. 1 and 5, in this embodiment, the joints between the upper and lower end surfaces of the connecting portion 2, the connecting end one 4, and the connecting end two 6 and the lower swing arm body 1 are all in arc transition, and the radius of the arc is 3 mm; the arc transition can improve the roundness of the joint of each end of the lower swing arm body 1 and reduce the surface burrs of the lower swing arm body 1;
as shown in fig. 1 and 4, in this embodiment, fixing holes 61 are uniformly formed in the upper end surface of the second connecting end 6, and the number of the fixing holes 61 is not less than 3; the number of the fixing holes 61 is preferably 4, so that the second connecting end 6 can be fixedly connected with the protecting sleeve of the ball pin through the fixing holes 61 on the upper end face through bolts, and the ball pin is fixed and assembled conveniently;
as shown in fig. 2, in the present embodiment, the recess depth of the first recess 3 and the second recess 7 is 10 ± 0.1 mm; the corners of the first concave part 3 and the second concave part 7 are both arc angles, and the radius of each arc angle is 5 mm; the first concave part 3 and the second concave part 7 can reduce the volume of the lower swing arm body 1, reduce the weight, lighten the lower swing arm body 1, reduce the materials of the lower swing arm body 1 and reduce the manufacturing cost; the design of the arc angle can improve the roundness of the first concave part 3 and the second concave part 7, reduce the dead angle of the concave parts and avoid the phenomenon of noise caused by the jamming of foreign matters when the lower swing arm body 1 is used;
as shown in fig. 2, in this embodiment, the hole arrangement directions of the first connection hole 5, the second connection hole 8 and the third connection hole 9 are the same; the distance between the central axes of the first connecting hole 5 and the second connecting hole 8 is 502 +/-0.1 mm; the distance between the central axes of the second connecting hole 8 and the third connecting hole 9 is 160 +/-0.1 mm; the connecting holes I5, the connecting holes II 8 and the connecting holes III 9 which are arranged in the same direction can enable all connected accessories to be configured in the same direction, so that convenience in assembling of all the accessories and the automobile is improved; the hole gap with special size can ensure the moment balance of the lower swing arm body 1, and the deformation resistance of the lower swing arm body 1 is improved;
in this embodiment, the connecting hole three 9 includes a hole one 91 and a hole two 92, and the hole one 91 and the hole two 92 are arranged in a T-shaped structure, so as to facilitate the accommodation and assembly of the shock absorber assembly;
as shown in fig. 1, 3, and 4, in this embodiment, both the first connection hole 5 and the second connection hole 8 are provided with a limiting groove, and the diameter of the limiting groove is greater than the diameter of the first connection hole 5 and the diameter of the second connection hole 8; the limiting groove of the connecting hole I5 is a limiting groove I52, the limiting groove I52 is positioned at the upper and lower ports of the connecting hole I5, so that a connecting section 53 is formed between the limiting groove I52, an opening section 51 is formed at the orifice of the connecting hole I5, the limiting assembly of the bushing and the connecting hole I5 is facilitated, and the bushing can be stably assembled in the connecting end I4; the limiting groove of the second connecting hole 8 is a second limiting groove 82, the second limiting groove 82 is located at the lower section of the second connecting hole 8, the second connecting hole 8 at the upper end of the second limiting groove 82 is enabled to form a deeper accommodating hole 81, limiting assembly of the ball pin and the second connecting hole 8 is facilitated, and the ball pin can be stably assembled in the second connecting end 6; in this embodiment, the aperture of the first limiting groove 52 and the second limiting groove 82 is 58+0.2mm or 58+0.5 mm; the aperture of the opening section 51 and the accommodating hole 81 is 56+0.2mm or 56+0.5 mm; the corners of the first limiting groove 52 and the second limiting groove 82 are both subjected to arc treatment, and the radius of the arc treatment is 0.5 mm;
in conclusion, the high-hardness anti-deformation lower swing arm forging provided by the utility model has the advantages that the lower swing arm body 1 in a special shape is adopted, so that the lower swing arm body 1 has good structural strength, the deformation of the lower swing arm body 1 in the use process is reduced, and the stable running of an automobile is ensured; the connecting end I4 and the connecting end II 6 are arranged at the two ends of the lower swing arm body 1, and the connecting part 2 is arranged between the connecting end I4 and the connecting end II 6, so that the lower swing arm body 1 is assembled with the bushing, the ball pin and the shock absorber assembly, and the lower swing arm body 1 can be assembled and used on an automobile after being connected with other accessories; the first concave part 3 and the second concave part 7 can reduce the volume and the weight of the lower swing arm body 1, so that the lower swing arm body 1 is light, and the material cost in the manufacturing process of the lower swing arm body 1 is reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A high-hardness deformation-resistant lower swing arm forging comprises a lower swing arm body (1); the method is characterized in that: the two ends of the lower swing arm body (1) are respectively provided with a first connecting end (4) and a second connecting end (6); a first connecting hole (5) is formed in the center of the first connecting end (4), and a second connecting hole (8) is formed in the center of the second connecting end (6); the middle part of the lower swing arm body (1) is provided with a connecting part (2), and the center of the connecting part (2) is provided with a connecting hole III (9); the upper end face and the lower end face of the lower swing arm body (1) between the connecting part (2) and the connecting end I (4) are provided with a second concave part (7), and the upper end face and the lower end face of the lower swing arm body (1) between the connecting part (2) and the connecting end II (6) are provided with a first concave part (3); the upper end face and the lower end face of the connecting portion (2), the first connecting end (4) and the second connecting end (6) protrude out of the upper end face and the lower end face of the lower swing arm body (1), the upper end face and the lower end face of the connecting portion (2) and the second connecting end (6) are flush, the lower swing arm body (1) between the connecting portion (2) and the first connecting end (4) is bent upwards to extend, and the first connecting end (4) is higher than the connecting portion (2) and the second connecting end (6).
2. The high-hardness deformation-resistant lower swing arm forging as set forth in claim 1, wherein: the lower swing arm body (1) is machined through a precision forging process.
3. The high-hardness deformation-resistant lower swing arm forging as set forth in claim 1 or 2, wherein: the thickness of the lower swing arm body (1) is 45 +/-0.1 mm; the upper end face and the lower end face of the connecting part (2) and the connecting end II (6) are protruded from the upper end face and the lower end face of the lower swing arm body (1) by 3.75 mm; the upper end face and the lower end face of the connecting end I (4) are protruded 7.5mm from the upper end face and the lower end face of the lower swing arm body (1); the distance between the upper end face of the first connecting end (4) and the lower end face of the second connecting end (6) is 147.5 +/-0.1 mm.
4. The high-hardness deformation-resistant lower swing arm forging as set forth in claim 3, wherein: the upper end face and the lower end face of the connecting portion (2), the connecting end I (4) and the connecting end II (6) are connected with the lower swing arm body (1) through arc transition, and the radius of the arc is 3 mm.
5. The high-hardness deformation-resistant lower swing arm forging as set forth in claim 3, wherein: the up end of link two (6) evenly is equipped with fixed orifices (61), and the number of fixed orifices (61) is no less than 3.
6. The high-hardness deformation-resistant lower swing arm forging as set forth in claim 1, wherein: the depth of the first concave part (3) and the second concave part (7) is 10 +/-0.1 mm; the corners of the first concave part (3) and the second concave part (7) are both set to be arc angles, and the radius of the arc angles is 5 mm.
7. The high-hardness deformation-resistant lower swing arm forging as set forth in claim 1, wherein: the hole arrangement directions of the connecting hole I (5), the connecting hole II (8) and the connecting hole III (9) are the same; the distance between the central axes of the first connecting hole (5) and the second connecting hole (8) is 502 +/-0.1 mm; the distance between the central axes of the second connecting hole (8) and the third connecting hole (9) is 160 +/-0.1 mm.
8. The high-hardness deformation-resistant lower swing arm forging as set forth in claim 7, wherein: limiting grooves are formed in the first connecting hole (5) and the second connecting hole (8), and the diameters of the limiting grooves are larger than those of the first connecting hole (5) and the second connecting hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122610504.3U CN216184293U (en) | 2021-10-26 | 2021-10-26 | High-hardness anti-deformation lower swing arm forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122610504.3U CN216184293U (en) | 2021-10-26 | 2021-10-26 | High-hardness anti-deformation lower swing arm forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216184293U true CN216184293U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122610504.3U Active CN216184293U (en) | 2021-10-26 | 2021-10-26 | High-hardness anti-deformation lower swing arm forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216184293U (en) |
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2021
- 2021-10-26 CN CN202122610504.3U patent/CN216184293U/en active Active
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