CN203472996U - Front longitudinal beam and automobile with same - Google Patents
Front longitudinal beam and automobile with same Download PDFInfo
- Publication number
- CN203472996U CN203472996U CN201320582059.7U CN201320582059U CN203472996U CN 203472996 U CN203472996 U CN 203472996U CN 201320582059 U CN201320582059 U CN 201320582059U CN 203472996 U CN203472996 U CN 203472996U
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- reinforced support
- side member
- front longitudinal
- longitudinal beam
- inner plate
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- 238000003466 welding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 14
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000030214 innervation Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
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Abstract
The utility model provides a front longitudinal beam and an automobile with the front longitudinal beam and relates to the technical field of automobiles. The front longitudinal beam comprises a front longitudinal beam body, a front reinforcing support and a rear reinforcing support, wherein the front reinforcing support is used for being arranged at the front end of the front longitudinal beam body, a front longitudinal beam inner plate front plate is supported by one end of the front reinforcing support, one front longitudinal beam inner plate reinforcing plate is supported by the other end of the front reinforcing support, and the front reinforcing support is provided with one weight reducing hole and one reinforcing rib; the rear reinforcing support is used for being arranged at the rear end of the front longitudinal beam body, a front longitudinal beam inner plate rear plate is supported by one end of the rear reinforcing support, another front longitudinal beam inner plate reinforcing plate is supported by the other end of the rear reinforcing support, and the rear reinforcing support is provided with another weight reducing hole and another reinforcing rib. The front longitudinal beam has the advantages that the structure is simple, processes can be easily carried out and the achieving cost is low; the dynamic stiffness of the front longitudinal beam can be improved, the problem of too high responses, generated by suspension excitation, of an NTF can be solved, and the NVH performance of the automobile is guaranteed.
Description
Technical field
The utility model relates to automobile technical field, refers to especially a kind of front side member and has the automobile of this front side member.
Background technology
In automotive field, front side member is a kind of typical thin walled beam structure part, general dynamic assembly body side mounting bracket is arranged on front side member or is arranged in front side member, and the vibration of dynamic assembly is delivered to vehicle body by suspension system and longeron, affects vehicle NVH performance.
Fig. 1 is existing front longitudinal beam structure of automobile, there is the phenomenon of insufficient rigidity in this front rail structure, in automobile starting, braking, in gearshift and anxious acceleration, anxious moderating process, the large-amplitude vibration causing because of the fluctuation of dynamic assembly output torque can be delivered to front side member by suspension system, and then is delivered to vehicle body by front side member, causes corresponding NTF (Noise Transfer Function, noise transfer function) too high, out of reach noise targets value.
More than comprehensive, aspect car load traveling comfort and noise, need badly current front longitudinal beam structure of automobile is improved, improve structure dynamic stiffness, thereby make noise transfer function reach noise targets value.
Utility model content
The technical problems to be solved in the utility model is to provide the comfortable and good front side member in noise aspect of a kind of integral body and has the automobile of front side member.
Embodiment of the present utility model provides technical scheme as follows: a kind of front side member, comprise front side member body, front reinforced support and rear reinforced support, wherein,
Described front reinforced support is used for being arranged in front side member body front end, and front longitudinal girder inner plate header board is supported in one end, and the other end supports front longitudinal girder inner plate brace panel, and described front reinforced support has lightening hole and reinforced rib;
Described rear reinforced support is used for being arranged in front side member body rear end, plate after one end support front longitudinal girder inner plate, and the other end supports front longitudinal girder inner plate brace panel, and described rear reinforced support has lightening hole and reinforced rib.
Preferably, described front reinforced support upper surface and the welding of front longitudinal girder inner plate header board, lower surface and the welding of front longitudinal girder inner plate brace panel.
Preferably, there is a lightening hole at described front reinforced support middle part, and this lightening hole is with flange.
Preferably, described lightening hole diameter is 20-30mm, and flange height is 4-5mm.
Preferably, be provided with altogether 4 place's reinforced ribs on described front reinforced support, wherein 2 places are positioned at described front reinforced support top, and 2 places are positioned at described front reinforced support bottom.
Preferably, plate welding after described rear reinforced support upper surface and front longitudinal girder inner plate, lower surface and the welding of front longitudinal girder inner plate brace panel.
Preferably, there are two lightening holes at described rear reinforced support middle part, and this lightening hole is with flange.
Preferably, described lightening hole diameter is 25-35mm, and flange height is 4-5mm.
Preferably, be provided with altogether 4 place's reinforced ribs on described rear reinforced support, wherein 2 places are positioned at described rear reinforced support top, and 2 places are positioned at described rear reinforced support bottom.
On the other hand, also provide a kind of automobile, there is described front side member.
From the above, can find out that the front side member that the utility model provides has simple in structure, technique is easy to realize, realize the advantage that cost is low, can improve front side member dynamic stiffness, improve the too high problem of noise transfer function that the excitation that suspends produces, guarantee vehicle NVH performance simultaneously.
Accompanying drawing explanation
Fig. 1 is existing front longitudinal beam structure of automobile schematic diagram;
The front longitudinal beam structure of automobile schematic diagram that Fig. 2 provides for the utility model;
The automobile front longitudinal beam front frame structural representation that Fig. 3 provides for the utility model;
The automobile front longitudinal beam after poppet structural representation that Fig. 4 provides for the utility model;
The specific embodiment
For technical matters, technical scheme and advantage that embodiment of the present utility model will be solved are clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment of the present utility model is still needing improved problem for front longitudinal beam structure of automobile in prior art aspect car load traveling comfort and noise, the good front side member of a kind of overall comfort and noise aspect is provided and has the automobile of this front side member.
As shown in Figure 2, structural representation for the front side member of a kind of embodiment of the utility model, comprise plate 3 and front longitudinal girder inner plate brace panel 5 after front side member body 13, front reinforced support 6, rear reinforced support 4, front longitudinal girder inner plate header board 1, front longitudinal girder inner plate, between described front side member body 13 and front longitudinal girder inner plate brace panel 5, be connected with plate 3 after front longitudinal girder inner plate header board 1 and front longitudinal girder inner plate, wherein
Described front reinforced support 6 is for being arranged in front side member body front end, and front longitudinal girder inner plate header board 1 is supported in one end, and the other end supports front longitudinal girder inner plate brace panel 5, and described front reinforced support has lightening hole and reinforced rib;
Described rear reinforced support 4 is for being arranged in front side member body rear end, and plate 3 after front longitudinal girder inner plate is supported in one end, and the other end supports front longitudinal girder inner plate brace panel 5, and described rear reinforced support has lightening hole and reinforced rib.
The utility model, by increase front reinforced support 6 and rear reinforced support 4 in existing automobile longitudinal beam structure, has improved the rigidity of structure, thereby has improved the performance of vehicle aspect overall comfort and noise.Particularly, when body noise transfer function is reorganized and outfit in analysis, because dynamic assembly suspension body side support is embedded into front side member inner side by four attachment points 2, and in the existing front longitudinal beam structure of automobile shown in Fig. 1, there is the not enough phenomenon of dynamic stiffness, the large-amplitude vibration causing because of the fluctuation of dynamic assembly output torque can be passed to by suspending longeron, by longeron, be passed to vehicle body, cause that corresponding NTF is too high, cannot meet noise objective.On architecture basics shown in Fig. 1, the utility model has provided the front longitudinal beam structure of automobile of Fig. 2 with front reinforced support 6 and rear reinforced support 4, front reinforced support 6 upper ends and 1 welding of front longitudinal girder inner plate header board, front reinforced support 6 lower ends and 5 welding of front longitudinal girder inner plate brace panel; Plate 3 welding after rear reinforced support 4 upper ends and front longitudinal girder inner plate, rear reinforced support 4 lower ends and 5 welding of front longitudinal girder inner plate brace panel, improved front side member innervation degree, make corresponding NTF (Noise Transfer Function, noise transfer function) reach noise targets value, improved vehicle NVH performance.
Front reinforced support of the present utility model 6 upper surfaces and 1 welding of front longitudinal girder inner plate header board, lower surface and 5 welding of front longitudinal girder inner plate brace panel, be supported between front longitudinal girder inner plate header board 1 and front longitudinal girder inner plate brace panel 5 front reinforced support 6.As shown in Figure 3, be front side member front frame structural representation of the present utility model, there is the first lightening hole 12 at described front reinforced support 6 middle parts, and this lightening hole is with flange 11.Preferably, this lightening hole diameter is 20-30mm, and flange height is 4-5mm.The lightening hole of this embodiment can also be provided with heavy stand around, for increasing the rigidity of front reinforced support.The first reinforced rib 10 is everywhere set on the front reinforced support of this embodiment altogether, and wherein 2 places are positioned at described front reinforced support top, and 2 places are positioned at described front reinforced support bottom.Because front side member front frame is provided with lightening hole, thereby reduce materials'use amount, reduced cost.Meanwhile, on front side member front frame, be provided with reinforced rib, increased rigidity.
Plate 3 welding after rear reinforced support of the present utility model 4 upper surfaces and front longitudinal girder inner plate, weld with front longitudinal girder inner plate brace panel 5 lower surface, and rear reinforced support 4 is supported on after front longitudinal girder inner plate between plate 3 and front longitudinal girder inner plate brace panel 5.As shown in Figure 4, be front side member after poppet structural representation of the present utility model, there are the second lightening hole 8 and the 3rd loss of weight 9 in this rear reinforced support middle part, and this lightening hole is with flange.Preferably, this lightening hole diameter is 25-35mm, and flange height is 4-5mm.On described rear reinforced support, be provided with altogether 4 place's the second reinforced ribs 7, wherein 2 places are positioned at described rear reinforced support top, and 2 places are positioned at described rear reinforced support bottom.Because front side member after poppet is provided with lightening hole, thereby reduce materials'use amount, reduced cost.Meanwhile, on front side member after poppet, be provided with reinforced rib, increased rigidity.The lightening hole of this embodiment can also be provided with heavy stand around, for increasing the rigidity of rear reinforced support.
The position of front reinforced support 6 of the present utility model and rear reinforced support 4 can be set as required, the front reinforced support 6 of the present embodiment and rear reinforced support 4 are 3-8:1 apart from the ratio between the distance of attachment point 2 separately, 4:1 for example, before and after making, the setting of reinforced support meets mechanical property more, further reduces noise.
The utility model also provides a kind of automobile, comprises described front side member.Owing to having increased front and back support, solved the problem of front longitudinal beam structure of automobile insufficient rigidity.
To sum up, before the utility model adopts in Fig. 3 in reinforced support 6 and Fig. 4 after reinforced support 4, can improve the phenomenon of the existing front longitudinal beam structure of automobile insufficient rigidity of Fig. 1 by actv., and have simple in structurely, technique is easy to realize, realize the advantage that cost is low
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a front side member, is characterized in that, comprises front side member body, front reinforced support and rear reinforced support, wherein,
Described front reinforced support is used for being arranged in front side member body front end, and front longitudinal girder inner plate header board is supported in one end, and the other end supports front longitudinal girder inner plate brace panel, and described front reinforced support has lightening hole and reinforced rib;
Described rear reinforced support is used for being arranged in front side member body rear end, plate after one end support front longitudinal girder inner plate, and the other end supports front longitudinal girder inner plate brace panel, and described rear reinforced support has lightening hole and reinforced rib.
2. front side member according to claim 1, is characterized in that, described front reinforced support upper surface and the welding of front longitudinal girder inner plate header board, lower surface and the welding of front longitudinal girder inner plate brace panel.
3. front side member according to claim 1, is characterized in that, there is a lightening hole at described front reinforced support middle part, and this lightening hole is with flange.
4. front side member according to claim 3, is characterized in that, described lightening hole diameter is 20-30mm, and flange height is 4-5mm.
5. front side member according to claim 1, is characterized in that, is provided with altogether 4 place's reinforced ribs on described front reinforced support, and wherein 2 places are positioned at described front reinforced support top, and 2 places are positioned at described front reinforced support bottom.
6. front side member according to claim 1, is characterized in that, plate welding after described rear reinforced support upper surface and front longitudinal girder inner plate, lower surface and the welding of front longitudinal girder inner plate brace panel.
7. front side member according to claim 1, is characterized in that, there are two lightening holes at described rear reinforced support middle part, and this lightening hole is with flange.
8. front side member according to claim 7, is characterized in that, described lightening hole diameter is 25-35mm, and flange height is 4-5mm.
9. front side member according to claim 1, is characterized in that, is provided with altogether 4 place's reinforced ribs on described rear reinforced support, and wherein 2 places are positioned at described rear reinforced support top, and 2 places are positioned at described rear reinforced support bottom.
10. an automobile, is characterized in that, comprises the front side member as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582059.7U CN203472996U (en) | 2013-09-18 | 2013-09-18 | Front longitudinal beam and automobile with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582059.7U CN203472996U (en) | 2013-09-18 | 2013-09-18 | Front longitudinal beam and automobile with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203472996U true CN203472996U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320582059.7U Expired - Fee Related CN203472996U (en) | 2013-09-18 | 2013-09-18 | Front longitudinal beam and automobile with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203472996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475204A (en) * | 2022-01-21 | 2022-05-13 | 奇瑞汽车股份有限公司 | Mount pad and vehicle |
-
2013
- 2013-09-18 CN CN201320582059.7U patent/CN203472996U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475204A (en) * | 2022-01-21 | 2022-05-13 | 奇瑞汽车股份有限公司 | Mount pad and vehicle |
| CN114475204B (en) * | 2022-01-21 | 2023-09-26 | 奇瑞汽车股份有限公司 | Mounting seat and vehicle |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20210918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |