CN214215931U - Splice welding type front auxiliary frame - Google Patents
Splice welding type front auxiliary frame Download PDFInfo
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- CN214215931U CN214215931U CN202022582789.XU CN202022582789U CN214215931U CN 214215931 U CN214215931 U CN 214215931U CN 202022582789 U CN202022582789 U CN 202022582789U CN 214215931 U CN214215931 U CN 214215931U
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- longitudinal beam
- control arm
- vehicle body
- fixedly connected
- welded
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Abstract
The utility model discloses a tailor-welded front subframe, which comprises a front beam, wherein vehicle body supports are respectively arranged at the left end and the right end of the front beam, a right longitudinal beam is fixedly arranged at the lower part of the right side of the front beam, a rear cross beam is fixedly connected with the left side of the lower part of the right longitudinal beam, a left longitudinal beam is fixedly connected with the left side of the rear cross beam, the upper part of the left longitudinal beam is fixedly connected with the left end of the front beam, vehicle body installing supports are symmetrically arranged at the left end and the right end of the front beam, a stable installing support is arranged at the top of the vehicle body installing support, and control arm installing supports are symmetrically arranged at the left side and the right side of the bottom of the front beam; the utility model improves the Y-direction rigidity of the front lower control arm by optimizing and improving the welding mode of the mounting supports of the front lower control arm on the front auxiliary frame, provides further possibility for the weight reduction of the front auxiliary frame and has important effect on the light weight of the front auxiliary frame; the control arm mounting support is in a right-angled triangle shape in front view, and two acute angles of the right-angled triangle are arranged for rounding treatment, so that the rigidity of the control arm mounting support can be increased.
Description
Technical Field
The utility model relates to the technical field of auto-parts, specifically be a sub vehicle frame before tailor-welding formula.
Background
The front subframe is an important component of a front suspension of a vehicle chassis system and mainly comprises a front subframe main body and a connecting structure connected with parts such as a vehicle body and a suspension. The front auxiliary frame can not only support the parts, but also isolate vibration and noise, and reduce the direct entering of the parts into the carriage, so that the front auxiliary frame is mostly arranged on luxury cars and off-road vehicles, and the auxiliary frame is also arranged on the engine of some cars. The front auxiliary frame is used as a key structural member of the automobile chassis, the mass of the front auxiliary frame has important significance for the light weight of the whole automobile, and the requirements on the performances of rigidity, mode and the like of the whole automobile are very strict due to the safety requirement of the whole automobile. Therefore, how to achieve the light weight while adopting a more reasonable and excellent structure and satisfying the requirements becomes a topic of great research significance. To this end, we propose a new structural front subframe to achieve this goal.
The lower control arm before the important fitting part of sub vehicle frame before current is the important component part of suspension, and its effect is for bearing the weight of the automobile body, changes the advancing direction in the vehicle advancing process. The requirement of the mounting point Y of the front lower control arm on the front auxiliary frame on the rigidity is very critical, the existing structure has a limitation on the Y rigidity of the mounting point of the front lower control arm on the front auxiliary frame, and further the lightweight propulsion of the front auxiliary frame is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sub vehicle frame before tailor-welded formula has solved the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a tailor-welded front subframe comprises a front beam, wherein both the left and right ends of the front beam are provided with a vehicle body bracket, a right longitudinal beam is fixedly arranged at the lower part of the right side of the front beam, a rear cross beam is fixedly connected at the left side of the lower part of the right longitudinal beam, the left end of the rear cross beam is fixedly connected with a left longitudinal beam, the upper part of the left longitudinal beam is fixedly connected with the left end of the front beam, the left end and the right end of the front beam are symmetrically provided with a vehicle body mounting bracket, the top of the vehicle body mounting bracket is provided with a stable mounting bracket, the left side and the right side of the bottom of the front beam are symmetrically provided with control arm mounting brackets, and two control arm mounting brackets are respectively and fixedly connected with a left longitudinal beam and a right longitudinal beam, the left side of the left vehicle body bracket and the right side of the right vehicle body bracket are both provided with vehicle body front assembly points, and the left side of the lower part of the left longitudinal beam and the right side of the lower part of the right longitudinal beam are both provided with vehicle body rear assembly points.
Preferably, the included angles of the vehicle body support, the left longitudinal beam and the right longitudinal beam are both 90 degrees.
Preferably, the front beam, the vehicle body mounting bracket, the left longitudinal beam and the right longitudinal beam are welded by adopting a tailor welding process.
Preferably, the front beam, the right longitudinal beam, the rear cross beam and the left longitudinal beam are welded in a shape like a Chinese character 'hui'.
Preferably, the control arm mounting bracket is in a right-angled triangle shape in front view, and two acute angles of the right-angled triangle are rounded.
Preferably, the top and the bottom of the front beam and the rear beam are both arc-surface-shaped.
Compared with the prior art, the beneficial effects of the utility model are as follows: by optimizing and improving the welding mode of the mounting supports of the upper front control arm and the lower front control arm of the front auxiliary frame, the Y-direction rigidity of the front lower control arm is improved, further possibility is provided for the weight reduction of the front auxiliary frame, and the front auxiliary frame has an important effect on the light weight of the front auxiliary frame; the control arm mounting bracket is in a right-angled triangle shape in front view, and two acute angles of the right-angled triangle are both subjected to rounding treatment, so that the control arm mounting bracket is favorably and fixedly connected with a vehicle body bracket, a left longitudinal beam and a right longitudinal beam and is simultaneously rounded, and on one hand, the rigidity of the control arm mounting bracket can be improved, and people can be prevented from being scratched during mounting; the top and the bottom of the front beam and the rear beam are both arc-surface-shaped, so that the structural strength of the front beam and the rear beam can be effectively improved, and meanwhile, the material consumption of parts is reduced to achieve the light-weight effect.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the present invention.
In the figure: 1. the device comprises a front beam, 2 a vehicle body bracket, 3 a right longitudinal beam, 4 a rear transverse beam, 5 a left longitudinal beam, 6 a vehicle body mounting bracket, 7 a stable mounting bracket, 8 a control arm mounting bracket, 9 a vehicle body front assembly point, 10 a vehicle body rear assembly point.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-2, the present invention provides a technical solution: a tailor-welded front subframe comprises a front beam 1, wherein both the left and right ends of the front beam 1 are provided with a vehicle body bracket 2, a right longitudinal beam 3 is fixedly arranged at the lower part of the right side of the front beam 1, a rear cross beam 4 is fixedly connected at the left side of the lower part of the right longitudinal beam 3, the left end of the rear cross beam 4 is fixedly connected with a left longitudinal beam 5, the upper part of the left longitudinal beam 5 is fixedly connected with the left end of the front beam 1, the left end and the right end of the front beam 1 are symmetrically provided with a vehicle body mounting bracket 6, the top of the vehicle body mounting bracket 6 is provided with a stable mounting bracket 7, the left side and the right side of the bottom of the front beam 1 are symmetrically provided with a control arm mounting bracket 8, and two control arm mounting brackets 8 are respectively and fixedly connected with a left longitudinal beam 5 and a right longitudinal beam 3, the left side of the left side body bracket 2 and the right side of the right side body bracket 2 are both provided with a front assembly point 9 of the vehicle body, and the left side of the lower part of the left longitudinal beam 5 and the right side of the lower part of the right longitudinal beam 3 are both provided with a vehicle body rear assembly point 10.
The included angles of the vehicle body bracket 2, the left longitudinal beam 5 and the right longitudinal beam 3 are both 90 degrees, so that the fixed installation of the control arm mounting bracket 8 is facilitated; the front beam 1, the vehicle body mounting bracket 6, the left longitudinal beam 5 and the right longitudinal beam 3 are welded by adopting a tailor welding process, so that the Y-direction rigidity of the control arm mounting bracket 8 is improved, and further the Y-direction rigidity of the control arm is improved; the front beam 1, the right longitudinal beam 3, the rear cross beam 4 and the left longitudinal beam 5 are welded in a shape like a Chinese character 'hui', so that the structural rigidity is guaranteed, the using amount of materials around parts is reduced, and the weight of the device is further reduced; the control arm mounting bracket 8 is in a right-angled triangle shape in front view, and two acute angles of the right-angled triangle are rounded, so that the control arm mounting bracket is favorably and fixedly connected with the vehicle body bracket 2, the left longitudinal beam 5 and the right longitudinal beam 3, and the rounded processing can improve the rigidity of the control arm mounting bracket 8 and prevent people from being scratched during mounting; the top and the bottom of the front beam 1 and the rear beam 4 are arc-surface-shaped, so that the structural strength of the front beam 1 and the rear beam 4 can be effectively improved, and meanwhile, the material consumption of parts is reduced to achieve the effect of light weight.
The working principle is as follows: when the tailor-welded front subframe is used, only a front assembly point 9 and a rear assembly point 10 of a vehicle body are required to be fixed on a vehicle floor, a control arm is arranged on a control arm mounting bracket 8, and the vehicle body is fixedly arranged on a vehicle body mounting bracket 6; the welding mode of mounting points of the upper front control arm and the lower front control arm of the front auxiliary frame is optimized and improved in structure, the Y-direction rigidity of the front lower control arm is improved, further possibility is provided for the weight reduction of the front auxiliary frame, and great significance is brought to the light weight of the front auxiliary frame; the purpose of improving the Y-direction rigidity of the front lower control arm mounting bracket 8 (left-right symmetry) can be achieved by adopting a mode of connecting the front beam 1, the right longitudinal beam 3, the left longitudinal beam 5 and the vehicle body mounting bracket 6 by adopting a structural form including but not limited to part structural forms.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (6)
1. The utility model provides a sub vehicle frame before tailor-welded formula, includes front beam (1), its characterized in that: the automobile body structure is characterized in that automobile body supports (2) are mounted at the left end and the right end of a front beam (1), a right longitudinal beam (3) is fixedly mounted at the lower portion of the right side of the front beam (1), a rear cross beam (4) is fixedly connected to the left side of the lower portion of the right longitudinal beam (3), a left longitudinal beam (5) is fixedly connected to the left end of the left side of the rear cross beam (4), the upper portion of the left longitudinal beam (5) is fixedly connected to the left end of the front beam (1), automobile body mounting supports (6) are symmetrically mounted at the left end and the right end of the front beam (1), a stable mounting support (7) is arranged at the top of each automobile body mounting support (6), control arm mounting supports (8) are symmetrically arranged at the left side and the right side of the bottom of the front beam (1), the two control arm mounting supports (8) are fixedly connected with the left longitudinal beam (5) and the right longitudinal beam (3) respectively, the left side of each automobile body support (2) is provided with an automobile body front assembly point (9) at the right side of the automobile body support (2), and the left side of the lower part of the left longitudinal beam (5) and the right side of the lower part of the right longitudinal beam (3) are both provided with a vehicle body rear assembly point (10).
2. The tailor welded front subframe according to claim 1, wherein: and included angles of the vehicle body bracket (2) and the left longitudinal beam (5) and the right longitudinal beam (3) are all 90 degrees.
3. The tailor welded front subframe according to claim 1, wherein: the front beam (1), the vehicle body mounting bracket (6), the left longitudinal beam (5) and the right longitudinal beam (3) are welded by adopting a tailor welding process.
4. The tailor welded front subframe according to claim 1, wherein: the front beam (1), the right longitudinal beam (3), the rear cross beam (4) and the left longitudinal beam (5) are welded in a shape like a Chinese character 'hui'.
5. The tailor welded front subframe according to claim 1, wherein: the control arm mounting bracket (8) is in a right-angled triangle shape in front view, and two acute angles of the right-angled triangle are rounded.
6. The tailor welded front subframe according to claim 1, wherein: the top and the bottom of the front beam (1) and the rear beam (4) are arc-surface-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022582789.XU CN214215931U (en) | 2020-11-10 | 2020-11-10 | Splice welding type front auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022582789.XU CN214215931U (en) | 2020-11-10 | 2020-11-10 | Splice welding type front auxiliary frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214215931U true CN214215931U (en) | 2021-09-17 |
Family
ID=77696816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022582789.XU Active CN214215931U (en) | 2020-11-10 | 2020-11-10 | Splice welding type front auxiliary frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214215931U (en) |
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2020
- 2020-11-10 CN CN202022582789.XU patent/CN214215931U/en active Active
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