CN220743151U - Full frame type auxiliary frame of automobile and automobile - Google Patents
Full frame type auxiliary frame of automobile and automobile Download PDFInfo
- Publication number
- CN220743151U CN220743151U CN202322325794.6U CN202322325794U CN220743151U CN 220743151 U CN220743151 U CN 220743151U CN 202322325794 U CN202322325794 U CN 202322325794U CN 220743151 U CN220743151 U CN 220743151U
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- frame
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- automobile
- cross member
- auxiliary frame
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- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000004080 punching Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The application provides an automobile full-frame type auxiliary frame and an automobile, wherein the automobile full-frame type auxiliary frame comprises two auxiliary frame longitudinal beams which are oppositely arranged at right and left intervals, and the auxiliary frame longitudinal beams are of an integrated tubular structure; a front sub-frame cross member disposed between the two sub-frame cross members and located at a front end thereof; a sub-frame rear cross member disposed between the two sub-frame rails and located at a rear end thereof; the control arm front bushing mounting bracket is arranged on the outer side of the rear end of the auxiliary frame longitudinal beam, the control arm front bushing mounting bracket is inserted into the inner cavity of the auxiliary frame longitudinal beam, and the automobile full-frame auxiliary frame can meet the arrangement requirements of a whole automobile on a low hard point and a small space under the conditions of bearing, control and comfort, structural protection and part assembly.
Description
Technical Field
The utility model belongs to the technical field of automobile production, and particularly relates to an automobile full-frame type auxiliary frame and an automobile.
Background
The front auxiliary frame of the automobile is a main flow chassis structural member widely used by passenger automobiles adopting a bearing type automobile body structure. As a load bearing part, the subframe is used to connect an automotive suspension system, an automotive steering system and a powertrain suspension system, and to bear and transmit loads from a road surface, a steering machine and a powertrain. The auxiliary frame can also improve the rigidity of the vehicle body, isolate vibration and noise, provide collision energy absorption and protect the lower bottom shell of the power assembly. Meanwhile, the auxiliary frame is used as a main carrier of an assembly module and used for preassembling part of suspension, steering, power assembly, radiator, pipelines and wire harness parts, and improves the production efficiency of an automobile assembly production line.
For some transverse power assembly vehicle types, the whole frame type auxiliary frame is used for improving collision performance and protecting the lower bottom shell of the power assembly. The auxiliary frame longitudinal beam is required to be on a reasonable collision energy absorption path, is limited by the shape and performance of the whole vehicle, is low in suspension hard point arrangement and is inwards, the auxiliary frame longitudinal beam is required to meet the dynamic clearance between the inner side and the power assembly and the firm connection between the outer side and the control arm, the available space of the auxiliary frame longitudinal beam between the two clamps is narrow, and the energy absorption requirement of the auxiliary frame longitudinal beam is required to be met.
Disclosure of Invention
Aiming at part or all of the technical problems in the prior art, the utility model provides a full-frame type auxiliary frame of an automobile. The full-frame type auxiliary frame of the automobile can meet the arrangement requirement of a low hard point small space of the whole automobile under the conditions of bearing, controlling, comfort, structural protection and part assembly, and is novel in structure and low in cost.
According to an aspect of the present utility model, there is provided a full frame type subframe for an automobile, comprising:
the auxiliary frame longitudinal beams are two and distributed oppositely at left and right intervals and are of an integrated tubular structure,
a front sub-frame cross member disposed between the two sub-frame rails and at the front end,
a sub-frame rear cross member disposed between the two sub-frame rails and at a rear end thereof,
and the control arm front bushing mounting bracket is arranged outside the rear end of the auxiliary frame longitudinal beam and is inserted into the inner cavity of the auxiliary frame longitudinal beam.
In one embodiment, the subframe rails are each made of seamless steel tubing.
In one embodiment, the control arm front bushing mounting bracket is a cylindrical structure.
In one embodiment, a control arm front bushing mounting bolt tightening tool passage hole is provided on an inboard side of the subframe rail.
In one embodiment, a reinforcing plate is provided on the sub frame rail, and a communication hole for communicating with the tool passage hole is provided on the reinforcing plate.
In one embodiment, the cross section of the reinforcing plate is a U-shaped cross section or an L-shaped cross section, and is semi-coated on the outer wall of the auxiliary frame rail.
In one embodiment, a flange bushing is provided on the subframe rail, the flange bushing passing vertically through the subframe rail.
In one embodiment, the subframe rear cross member includes a subframe rear cross member upper punch and a subframe rear cross member lower punch welded to each other.
In one embodiment, the subframe front cross member includes a subframe front cross member upper punch and a subframe front cross member lower punch welded to each other.
According to another aspect of the utility model, an automobile is provided, comprising the full-frame type auxiliary frame of the automobile.
Compared with the prior art, the utility model has the advantages that: the auxiliary frame longitudinal beam adopting the integrated tubular structure has the advantages of few manufacturing procedures, few dies, small change of the section of the auxiliary frame longitudinal beam, good material large radian excessive continuity, high longitudinal rigidity, capability of meeting the requirement of bending and energy absorption during the whole vehicle collision and contribution to improving the collision performance of the whole vehicle. Meanwhile, the control arm front bushing mounting bracket is inserted into the inner cavity of the auxiliary frame longitudinal beam, so that the width and the height of the connecting part of the control arm are greatly reduced, the front cabin arrangement requirements of a narrow transverse space and a low hard point can be met, the space arrangement and the modeling are facilitated, and the control and the comfort of the whole vehicle are improved.
Drawings
Preferred embodiments of the present utility model will be described in detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic view of a full frame type subframe of an automobile according to the present utility model;
FIG. 2 is an exploded schematic view of a subframe rail;
FIG. 3 is a schematic diagram of a full frame subframe and control arm installation.
In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.
Detailed Description
In order to make the technical solution and advantages of the present utility model more apparent, exemplary embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some of the embodiments of the present utility model and are not exhaustive of all embodiments. And embodiments of the utility model and features of the embodiments may be combined with each other without conflict.
Fig. 1 is a schematic structural view of a full frame type subframe of an automobile according to the present utility model. As shown in fig. 1, the full frame subframe includes subframe rails 1, subframe front cross members 2, subframe rear cross members 3, and control arm front bushing mounting brackets 5. Wherein, the number of the auxiliary frame longitudinal beams 1 is two, and the auxiliary frame longitudinal beams are oppositely arranged at left and right intervals. The sub-frame front cross member 2 is disposed between the two sub-frame rails 1 and is located at the front end of the sub-frame rail 1. The sub-frame rear cross member 3 is disposed between the two sub-frame rails 1 and is located at the rear end of the sub-frame rails 1. The control arm front bushing mounting bracket 5 is disposed outboard of the rear end of the subframe rail for the provision of a control arm 12, as shown in fig. 3. According to the present application, both subframe rails 1 are of unitary tubular construction. At the same time, the control arm front bushing mounting bracket 5 is inserted into the interior cavity of the subframe rail 1.
For example, both ends of the sub-frame front cross member 2 are welded to the front end side surfaces of the sub-frame side members 1, respectively. The two ends of the rear cross beam 3 of the auxiliary frame are respectively welded with the side surfaces of the rear ends of the longitudinal beams 1 of the auxiliary frame. The subframe rail 1, subframe front rail 2 and subframe rear rail 3 together form a subframe assembly. The process is simple, the structure is stable, and the implementation is easy.
For example, the subframe rail 1 has a body 4, which is preferably made of a high-strength seamless steel pipe, and is manufactured by high-pressure integral molding of a pipe material.
The integrated auxiliary frame longitudinal beam 1 is adopted, the auxiliary frame longitudinal beam 1 in the structural form has the advantages of few manufacturing procedures, few dies, small section change of the auxiliary frame longitudinal beam 1, no weld joint on the body, good large-radian excessive continuity of the body material, high longitudinal rigidity, capability of meeting the requirement of bending and energy absorption during the whole vehicle collision, and contribution to improving the collision performance of the whole vehicle. Meanwhile, in the utility model, the control arm front bushing mounting bracket 5 is inserted into the inner cavity of the auxiliary frame longitudinal beam 1, so that the connection point of the front control arm and the auxiliary frame longitudinal beam 1 is arranged in the cavity of the auxiliary frame longitudinal beam 1, the width and the height of the connection point of the control arm are greatly reduced, the front cabin arrangement requirements of a narrow transverse space and a low hard point can be met, the space arrangement and the modeling are facilitated, and the control and the comfort of the whole vehicle are improved.
In one embodiment, the control arm front bushing mounting bracket 5 is a cylindrical structure. That is, the cross section of the control arm front bushing mounting bracket 5 is a closed cross section. The control arm front bushing mounting bracket 5 is preferably a steel plate. For example, the control arm front bushing mounting bracket 5 is manufactured by die stamping and is welded in the inner cavity of the auxiliary frame rail 1 so as to meet the small-space low-hard-point arrangement requirement of the control arm. For another example, the cross section of the control arm front bushing mounting bracket 5 is a double-C-shaped bracket, and the opening is welded relatively to form a closed cross section and welded inside the auxiliary frame longitudinal beam 1 so as to meet the small-space low-hard-point arrangement requirement of the control arm.
In one embodiment, the subframe rail 1 is provided with control arm front bushing mounting bolt tightening tool passage holes 13. The control arm front bushing mounting bolt tightening tool passage hole 13 is an oblong elongated hole with a major axis extending longitudinally along the subframe rail 1. The control arm front bushing mounting bolt tightening tool passage hole 13 is arranged to facilitate the tightening of the control arm front mounting bolt by the mounting tool.
In one embodiment, the subframe rail 1 is provided externally with a reinforcement plate 6. The reinforcing plate 6 is arranged near the control arm front bushing mounting bolt tightening tool passage hole 13 and is used for solving the problem that the auxiliary frame longitudinal beam 1 is provided with the control arm front bushing mounting bolt tightening tool passage hole 13 to weaken the structure of the auxiliary frame longitudinal beam 1, improving the local rigidity of the auxiliary frame longitudinal beam 1 and meeting the energy absorption requirement of the auxiliary frame longitudinal beam 1 during collision.
In one of the embodiments, the cross section of the reinforcing plate 6 is a U-shaped or L-shaped cross section. After connection, a reinforcing plate 6 is arranged on the auxiliary frame longitudinal beam 1 in a semi-cladding mode for increasing the rigidity of the auxiliary frame longitudinal beam 1. The reinforcing plate 6 is preferably made of steel plate and is manufactured by press forming. Meanwhile, a connection hole 14 is provided on the reinforcing plate 6, and the connection hole 14 is used for matching with the control arm front bushing mounting bolt tightening tool passage hole 13 so that the control arm front bushing mounting bolt tightening tool passage hole 13 is exposed. The reinforcing plate 6 with such a structure is simple in structure and easy to realize.
In one embodiment, a plurality of flange bushings 7 are provided on the subframe rail 1. The flange bushing 7 passes through the subframe rail 1 where mounting support is required. A plurality of flange sleeves 7 are arranged on the auxiliary frame longitudinal beam 1 and used for structural support of each mounting point, and the upper mounting point and the lower mounting point of the auxiliary frame longitudinal beam 1 are supported when the fastening piece of the mounting structure is tightened. The flange bushing 7 is connected to the subframe rail 1 by means of welding.
The front subframe cross member 2 of the present embodiment includes a front subframe cross member upper punch and a front subframe cross member lower punch. The cross sections of the upper punching sheet of the front cross beam of the auxiliary frame and the lower punching sheet of the front cross beam of the auxiliary frame are C-shaped, sheet metal is adopted for stamping forming, and in connection, the openings are welded and fixed relatively. The front cross member 2 of the auxiliary frame of this structure has good overall rigidity.
Similarly, the sub-frame rear cross member 3 includes a sub-frame rear cross member upper plate and a sub-frame rear cross member lower plate which are welded to each other. An upper punching sheet of the rear cross beam of the auxiliary frame and a lower punching sheet of the rear cross beam of the auxiliary frame. The cross sections of the upper punching sheet of the rear cross beam of the auxiliary frame and the lower punching sheet of the rear cross beam of the auxiliary frame are C-shaped, sheet metal is adopted for stamping forming, and in connection, the openings are welded and fixed relatively. The rear cross member 3 of the auxiliary frame with the structure has good overall rigidity.
The application also relates to an automobile and comprises the full-frame type auxiliary frame of the automobile. Wherein the control arm 12 is connected to the control arm front bushing mounting bracket 5.
In the present application, the terms "upper", "lower", "front", "rear", "vertical", "lateral", "longitudinal" and the like refer to the orientation of an automobile.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all alterations and/or modifications that fall within the scope of the utility model, and that are intended to be included within the scope of the utility model.
Claims (10)
1. A full frame type subframe for an automobile, comprising:
the auxiliary frame longitudinal beams are two and distributed oppositely at left and right intervals and are of an integrated tubular structure,
a front sub-frame cross member disposed between the two sub-frame rails and at the front end,
a sub-frame rear cross member disposed between the two sub-frame rails and at a rear end thereof,
and the control arm front bushing mounting bracket is arranged outside the rear end of the auxiliary frame longitudinal beam and is inserted into the inner cavity of the auxiliary frame longitudinal beam.
2. The full frame sub-frame of an automobile of claim 1, wherein said sub-frame rails are each made of seamless steel tubing.
3. The full frame subframe of claim 1 wherein said control arm front bushing mounting bracket is a tubular structure.
4. The full frame sub frame of claim 1, wherein a control arm front bushing mounting bolt tightening tool passage hole is provided on an inner side of the sub frame rail.
5. The full frame type sub frame for an automobile according to claim 4, wherein a reinforcing plate is provided on the sub frame rail, and a communication hole for communicating with the tool passage hole is provided on the reinforcing plate.
6. The full frame subframe of claim 5 wherein said reinforcement panel is U-shaped or L-shaped in cross section and semi-clad to the outer wall of said subframe rail.
7. The full frame sub vehicle of claim 1, wherein a flange bushing is provided on the sub vehicle frame rail, the flange bushing passing vertically through the sub vehicle frame rail.
8. The full frame sub-frame of claim 1, wherein the sub-frame rear cross member comprises a sub-frame rear cross member upper punch and a sub-frame rear cross member lower punch welded to each other.
9. The full frame sub-frame of any one of claims 1 to 8, wherein the sub-frame front cross member comprises a sub-frame front cross member upper punch and a sub-frame front cross member lower punch welded to each other.
10. An automobile, characterized by comprising an automobile full frame sub-frame according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325794.6U CN220743151U (en) | 2023-08-28 | 2023-08-28 | Full frame type auxiliary frame of automobile and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325794.6U CN220743151U (en) | 2023-08-28 | 2023-08-28 | Full frame type auxiliary frame of automobile and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220743151U true CN220743151U (en) | 2024-04-09 |
Family
ID=90569041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322325794.6U Active CN220743151U (en) | 2023-08-28 | 2023-08-28 | Full frame type auxiliary frame of automobile and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220743151U (en) |
-
2023
- 2023-08-28 CN CN202322325794.6U patent/CN220743151U/en active Active
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