CN202783376U - Girder structure of cabin - Google Patents
Girder structure of cabin Download PDFInfo
- Publication number
- CN202783376U CN202783376U CN201220465370.9U CN201220465370U CN202783376U CN 202783376 U CN202783376 U CN 202783376U CN 201220465370 U CN201220465370 U CN 201220465370U CN 202783376 U CN202783376 U CN 202783376U
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- Prior art keywords
- longeron
- girder
- side plate
- cabin
- weld
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- Expired - Lifetime
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Abstract
The utility model discloses a girder structure of a cabin, aiming at providing the girder structure of the cabin, which can reduce bending and deformation in collision, and is beneficial to energy absorption. The girder structure comprises a girder with a U-shaped cross section, a girder front-section side plate is arranged at the front section of the girder, a girder middle-section side plate is arranged in the middle section of the girder, a supporting plate is arranged on a lapped surface of the girder front-section side plate and the girder middle-section side plate, the supporting plate is fixedly connected with the inner wall of the girder, and the middle section of the girder is provided with a girder reinforcing plate which is matched with the inner side of the girder.
Description
Technical field
The utility model belongs to the auto body field, especially relates to a kind of cabin longeron.
Background technology
At present, people are more and more higher for the attention degree of vehicle safety.When automobile generation head-on crash, the collision energy of generation mainly partially absorbs by the cabin, and the cabin longeron is the main portion in cabin.Therefore girder work design in cabin directly has influence on the deformation pattern of cabin longeron in the collision; and how deformation pattern will be referred to the cabin longeron to the absorbing state of energy; therefore wish usually that preferably conquassation distortion can occur the cabin longeron; absorb as much as possible more collision energy, thereby guarantee crew module's the less life security with the protection occupant of distortion.
Chinese patent Granted publication number: CN 201538357U, August 4 2010 Granted publication day, a kind of automobile front longitudinal beam was disclosed, it comprises left front girder assembly and front right longitudinal beam assembly; This left front girder assembly comprises end plate, the outside plate that is connected with this end plate, the anterior longeron that is connected with this outside plate, the rear portion longeron that is connected with this front portion longeron, and the lower plate that is connected with the front end below of this rear portion longeron, this left front girder assembly also comprises the left longeron tie-beam in the front floor that is connected with the rear portion longeron and the subframe left installation bracket that is connected with the left longeron tie-beam in front floor.The weak point of this utility model is, because longeron itself has the bending of certain curvature, when being subject to frontal impact; the integrally bending distortion occurs easily; rather than desirable conquassation distortion, greatly reduce the absorption to collision energy, be unfavorable for protecting occupant's life security.
The utility model content
The utility model is the deficiency that easily occurs bending and deformation when head-on crash occurs in order to overcome prior art cabin longeron, and a kind of flexural deformation that can reduce in collision is provided, and is beneficial to the cabin girder work of energy absorbing.
To achieve these goals, the utility model is by the following technical solutions:
A kind of cabin of the present utility model girder work, comprise the longeron that cross-sectional plane takes the shape of the letter U, the leading portion of described longeron is provided with the longitudinal beam front section side plate, the stage casing of described longeron is provided with longeron stage casing side plate, the faying surface of described longitudinal beam front section side plate and longeron stage casing side plate is provided with stay bearing plate, described stay bearing plate is captiveed joint with the longeron inwall, and the stage casing of described longeron is provided with the longitudinal beam reinforcing plate that can match with the longeron inboard.Stay bearing plate is set, the bending of longitudinal beam front section side plate and longeron stage casing side plate lap position in the time of can reducing collision, in the stage casing of longeron the rigidity that longitudinal beam reinforcing plate can improve longeron stage casing part is set, the yield strength in longeron stage casing is high than longitudinal beam front section by contrast, therefore when bumping, the conquassation distortion occurs first in the leading portion of longeron, then is only the stage casing of longeron, longeron integral body also is difficult for occuring bending and deformation in the process of conquassation distortion like this, can produce preferably collapse energy-absorption effect.
As preferably, the adjacent three springs folding of described stay bearing plate forms the first face of weld, the second face of weld and the 3rd face of weld, described stay bearing plate is by the first face of weld, the second face of weld and the 3rd face of weld and longeron inwall vertical welding, and described stay bearing plate middle part is bent to form the groove perpendicular to the second face of weld.When longeron generation conquassation was out of shape, its cross-sectional plane size can change, and groove can allow that the upper and lower two sides of longeron can change.Stay bearing plate is set in longeron, can improves the resistance to bending of longeron, guarantee smoothly conquassation of longeron.
As preferably, described cabin girder work also comprises longeron side plate brace panel, described longeron side plate brace panel and longeron stage casing plate-side plate welding.Longeron side plate brace panel can be strengthened the intensity in longeron stage casing on the one hand, also makes in addition intensity formation transition more carefully between longeron stage casing and the longeron back segment, avoids stage casing and back segment transition position the situation that stress is too concentrated to occur.
As preferably, described longeron rear end is provided with the longeron back segment brace panel that cross-sectional plane is U-shaped, and it is large that described longeron back segment brace panel cross-sectional plane becomes from front to back gradually.Longeron rear end brace panel can be strengthened the intensity of longeron rear end, because longeron back segment brace panel cross-sectional plane becomes greatly from front to back gradually, its intensity also increases thereupon gradually, therefore can play to the conquassation distortion effect of guiding.
As preferably, described longitudinal beam front section side plate is provided with some bar shaped energy-absorbing grooves that are parallel to the longeron cross-sectional plane, and described energy-absorbing groove is to the longeron inner recess.Bumping is, energy-absorbing groove place is subject to impacting and deforms, and guiding longeron front end guarantees that along longeron direction generation conquassation distortion the longeron front end can absorb the impact energy of collision smoothly.
Therefore, the utlity model has following beneficial effect: when being subject to head-on crash, longeron can be out of shape by conquassation from the front end to the rear end gradually, prevents that simultaneously longeron from occuring bending and deformation, and plays the effect that absorbs preferably the collision impact energy.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the structural representation of stay bearing plate in the utility model.
Among the figure, longeron 1, longeron stage casing side plate 2, longeron back segment brace panel 3, longitudinal beam reinforcing plate 4, longeron side plate brace panel 5, longeron front end side plate 6, energy-absorbing groove 7, stay bearing plate 8, the first face of weld 8a, the second face of weld 8b, the 3rd face of weld 8c, groove 8d.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Among the embodiment as shown in Figure 1, a kind of cabin girder work, comprise the longeron 1 that cross-sectional plane takes the shape of the letter U, the leading portion of longeron 1 is provided with longitudinal beam front section side plate 6, the stage casing of longeron 1 is provided with longeron stage casing side plate 2, and the faying surface of longitudinal beam front section side plate 6 and longeron stage casing side plate 2 is provided with stay bearing plate 8, and stay bearing plate 8 is captiveed joint with longeron 1 inwall, the stage casing of longeron 1 is provided with longitudinal beam reinforcing plate 4, and longitudinal beam reinforcing plate 4 matches with longeron 1 inboard.As shown in Figure 2, the adjacent three springs folding of stay bearing plate 8 forms the first face of weld 8a, the second face of weld 8b and the 3rd face of weld 8c, stay bearing plate 8 is by the first face of weld 8a, the second face of weld 8b and the 3rd face of weld 8c and longeron 1 inwall vertical welding, and stay bearing plate 8 middle parts are bent to form the groove 8d perpendicular to the second face of weld 8b.The cabin girder work also comprises longeron side plate brace panel 5, longeron side plate brace panel 5 and 2 welding of longeron stage casing side plate.Longeron 1 rear end is provided with the longeron back segment brace panel 3 that cross-sectional plane is U-shaped, and it is large that longeron back segment brace panel 3 cross-sectional planes become from front to back gradually.Longitudinal beam front section side plate 6 is provided with some bar shaped energy-absorbing grooves 7 that are parallel to longeron 1 cross-sectional plane, and energy-absorbing groove 7 is to longeron 1 inner recess.Therefore the intensity of longeron is the trend that strengthens gradually from front to back, and the distortion of the bending when reducing collision, the leading portion of longeron can produce preferably conquassation distortion and absorb collision energy, the back segment intensity of longeron strengthens gradually, can effectively with energy car body both sides and the under body of being delivered to as much as possible, reduce the injury that the occupant is caused.
Claims (5)
1. cabin girder work, comprise the longeron (1) that cross-sectional plane takes the shape of the letter U, the leading portion of described longeron (1) is provided with longitudinal beam front section side plate (6), the stage casing of described longeron (1) is provided with longeron stage casing side plate (2), it is characterized in that, the faying surface of described longitudinal beam front section side plate (6) and longeron stage casing side plate (2) is provided with stay bearing plate (8), described stay bearing plate (8) is captiveed joint with longeron (1) inwall, and the stage casing of described longeron (1) is provided with the longitudinal beam reinforcing plate (4) that can match with longeron (1) inboard.
2. a kind of cabin according to claim 1 girder work, it is characterized in that, the adjacent three springs folding of described stay bearing plate (8) forms the first face of weld (8a), the second face of weld (8b) and the 3rd face of weld (8c), described stay bearing plate (8) is by the first face of weld (8a), the second face of weld (8b) and the 3rd face of weld (8c) and longeron (1) inwall vertical welding, and described stay bearing plate (8) middle part is bent to form the groove (8d) perpendicular to the second face of weld (8b).
3. a kind of cabin according to claim 2 girder work is characterized in that described cabin girder work also comprises longeron side plate brace panel (5), described longeron side plate brace panel (5) and longeron stage casing side plate (2) welding.
4. according to claim 1 and 2 or 3 described a kind of cabin girder works, it is characterized in that described longeron (1) rear end is provided with the longeron back segment brace panel (3) that cross-sectional plane is U-shaped, it is large that described longeron back segment brace panel (3) cross-sectional plane becomes from front to back gradually.
5. according to claim 1 and 2 or 3 described a kind of cabin girder works, it is characterized in that, described longitudinal beam front section side plate (6) is provided with some bar shaped energy-absorbing grooves (7) that are parallel to longeron (1) cross-sectional plane, and described energy-absorbing groove (7) is to longeron (1) inner recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220465370.9U CN202783376U (en) | 2012-09-13 | 2012-09-13 | Girder structure of cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220465370.9U CN202783376U (en) | 2012-09-13 | 2012-09-13 | Girder structure of cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202783376U true CN202783376U (en) | 2013-03-13 |
Family
ID=47810694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220465370.9U Expired - Lifetime CN202783376U (en) | 2012-09-13 | 2012-09-13 | Girder structure of cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202783376U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443043A (en) * | 2014-11-14 | 2015-03-25 | 浙江吉利汽车研究院有限公司 | Automobile longitudinal beam reinforcer and automobile |
| CN108891484A (en) * | 2018-04-25 | 2018-11-27 | 力帆实业(集团)股份有限公司 | Automobile front longitudinal beam assembly |
| CN110588784A (en) * | 2019-09-28 | 2019-12-20 | 浙江飞碟汽车制造有限公司 | Automobile longitudinal beam structure and manufacturing method thereof |
-
2012
- 2012-09-13 CN CN201220465370.9U patent/CN202783376U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443043A (en) * | 2014-11-14 | 2015-03-25 | 浙江吉利汽车研究院有限公司 | Automobile longitudinal beam reinforcer and automobile |
| CN104443043B (en) * | 2014-11-14 | 2018-04-10 | 浙江吉利汽车研究院有限公司 | Automobile longitudinal girder reinforcer and automobile |
| CN108891484A (en) * | 2018-04-25 | 2018-11-27 | 力帆实业(集团)股份有限公司 | Automobile front longitudinal beam assembly |
| CN110588784A (en) * | 2019-09-28 | 2019-12-20 | 浙江飞碟汽车制造有限公司 | Automobile longitudinal beam structure and manufacturing method thereof |
| CN110588784B (en) * | 2019-09-28 | 2023-08-29 | 浙江飞碟汽车制造有限公司 | Automobile longitudinal beam structure and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |