CN206202420U - Automobile longitudinal girder and crossbeam bridging arrangement - Google Patents
Automobile longitudinal girder and crossbeam bridging arrangement Download PDFInfo
- Publication number
- CN206202420U CN206202420U CN201621228022.4U CN201621228022U CN206202420U CN 206202420 U CN206202420 U CN 206202420U CN 201621228022 U CN201621228022 U CN 201621228022U CN 206202420 U CN206202420 U CN 206202420U
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- CN
- China
- Prior art keywords
- side member
- extension device
- floor side
- face
- right extension
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of automobile longitudinal girder and crossbeam bridging arrangement, including the Parallel Symmetric left and right floor side member for setting and the cross-beam body being arranged in the middle of the left and right floor side member；The cross-beam body section is several fonts, is symmetrically welded at cross-beam body two ends and is provided with the left and right extension device of structure identical, and the bottom flange face of the left and right extension device overlaps spot welding with the bottom surface of left and right floor side member respectively；The side flanging face of left and right extension device overlaps spot welding with the medial surface of left and right floor side member respectively；The upper overturning face of left and right extension device overlaps spot welding with the upper overturning face of left and right floor side member respectively.The utility model advantage is that integral crossbeam is divided into three parts, it is easy to which drawing and moulding and mould structure are simple, and expense is low；And left and right extension device, it is easy to it is molded, dimensional accuracy is easily controllable；In welding, the structural strength of overlapping part is improve；Open architecture is easy to be adjusted, and improves welding usability.
Description
Technical field
The utility model is related to automotive field, more particularly, to a kind of automobile longitudinal girder and crossbeam bridging arrangement.
Background technology
For CDV, MPV commercial vehicle be integrated with three-point safety belt with preceding turn over function three people seat seat, to install
The structural strength and force request of the vehicle body crossbeam of seat are very high.Therefore, the structural strength except vehicle body crossbeam in itself needs to add
Outside strong, the bridging arrangement of chassis runner and crossbeam is fixed to the three-point safety belt with the three people seat seat for preceding turning over function
Point intensity plays very important effect.In Automobile Design, for monocoque construction, the section configuration of longitudinal and cross beam
Several fonts are, in order that the structural strength of longeron is high, the opening depth of longeron is general all deep, in order to be subject to crossbeam
Active force can be efficiently transferred on longitudinal beam structure intensity highest bottom surface, and the turnup structure at crossbeam both ends will increase and indulge
The overlap joint spot welding turnup structure of soffit.In this case, integrally-built crossbeam, the structure at its both ends can become comparing and answer
It is miscellaneous, it is separately higher with the side flanging face face required precision that longeron overlap joint coordinates to crossbeam both ends, overlap the side flanging face for coordinating such as
Overproof to direction outside car, then being likely to result in longeron cannot position assembling；Overlap the side flanging face for coordinating such as overproof to in-car direction,
Then cause overlap joint mating surface gap big and influence weld strength, therefore increased the shaping difficulty of Integral cross beam, the punching press of part
Mouldability is poor.Under normal circumstances, the side flanging face and upper overturning face at Integral cross beam both ends and the medial surface of longeron and above turn over
The structure that side face overlap spot welding has been difficult to meet seat harness fastened point intensity requirement, especially to preceding turning over work(
The three-point safety belt fastened point intensity of the three people seat seat of energy.Vehicle body crossbeam is subject to very big from seat harness fixing point
Power, this active force makes vehicle body crossbeam swell upwards, by the solder joint tear at crossbeam and longeron overlap joint spot welding, produces vehicle body crossbeam
Change shape, and then fails, and the displacement of human body head is increased, so as to increased the extent of injury to human body.
The content of the invention
The utility model purpose is to provide a kind of structural strength automobile longitudinal girder high and crossbeam bridging arrangement.
To achieve the above object, the utility model can take following technical proposals：
Automobile longitudinal girder described in the utility model and crossbeam bridging arrangement, including the left and right floor side member that Parallel Symmetric is set
With the cross-beam body being arranged in the middle of the left and right floor side member；The cross-beam body section is several fonts, at cross-beam body two ends
Be symmetrically welded and be provided with the left and right extension device of structure identical, the bottom flange face of the left and right extension device respectively with it is left and right after
The bottom surface overlap joint spot welding of longeron；The side flanging face of left and right extension device overlaps spot welding with the medial surface of left and right floor side member respectively；Left,
The upper overturning face of right extension device overlaps spot welding with the upper overturning face of left and right floor side member respectively.
The utility model advantage is that integral crossbeam is divided into three parts, respectively cross-beam body and left and right extension device,
Will the complicated two end portions of Integral cross beam isolate, the section structure of cross-beam body is simplified to simply single several fonts,
It is easy to drawing and moulding and mould structure is simple, expense is low；And both ends are the less left and right extension device of shape, it is easy to be molded,
Dimensional accuracy is easily controllable；In welding, bottom flange face, side flanging face, the upper overturning face of left and right extension device outer end respectively with
Left and right floor side member bottom surface, medial surface, the overlap joint spot welding of upper overturning face, make left and right floor side member be formed with left and right extension device and firmly may be used
The package structure for leaning on, drastically increases the structural strength of overlapping part；On the other hand, it is vertical after lower body welding line is left and right
When beam assembly is welded with cross-beam body, the manufacture deviation of lower body or so width can be by left and right extension device and cross-beam body
The Open architecture for overlapping joint portion is easy to be adjusted, and improves welding usability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the exploded view of Fig. 1.
Specific embodiment
As shown in Figure 1, 2, automobile longitudinal girder described in the utility model and crossbeam bridging arrangement, including Parallel Symmetric setting
Left and right floor side member 1,2 and the cross-beam body 3 being arranged in the middle of the left and right floor side member 1,2；The section of the cross-beam body 3 is several
Font, is symmetrically welded at the two ends of cross-beam body 3 and is provided with the left and right extension device 4,5 of structure identical, the left and right extension device 4,5
Bottom flange face 6,7 overlap spot welding with the bottom surface 8,9 of left and right floor side member 1,2 respectively；The side flanging face of left and right extension device 4,5
10th, 11 medial surface 12,13 respectively with left and right floor side member 1,2 overlaps spot welding；The upper overturning face 14,15 of left and right extension device 4,5
The upper overturning face 16,17 with left and right floor side member 1,2 overlaps spot welding respectively.
Claims (1)
1. a kind of automobile longitudinal girder and crossbeam bridging arrangement, including the left and right floor side member that Parallel Symmetric is set（1、2）Be arranged on institute
State left and right floor side member（1、2）Middle cross-beam body（3）；It is characterized in that：The cross-beam body（3）Section is several fonts,
Cross-beam body（3）Two ends are symmetrically welded and are provided with the left and right extension device of structure identical（4、5）, the left and right extension device（4、5）
Bottom flange face（6、7）Respectively with left and right floor side member（1、2）Bottom surface（8、9）Overlap joint spot welding；Left and right extension device（4、5）'s
Side flanging face（10、11）Respectively with left and right floor side member（1、2）Medial surface（12、13）Overlap joint spot welding；Left and right extension device（4、5）
Upper overturning face（14、15）Respectively with left and right floor side member（1、2）Upper overturning face（16、17）Overlap joint spot welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621228022.4U CN206202420U (en) | 2016-11-16 | 2016-11-16 | Automobile longitudinal girder and crossbeam bridging arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621228022.4U CN206202420U (en) | 2016-11-16 | 2016-11-16 | Automobile longitudinal girder and crossbeam bridging arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206202420U true CN206202420U (en) | 2017-05-31 |
Family
ID=58752800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621228022.4U Expired - Fee Related CN206202420U (en) | 2016-11-16 | 2016-11-16 | Automobile longitudinal girder and crossbeam bridging arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206202420U (en) |
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| CN109204562A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109204461A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109204502A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109204534A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
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2016
- 2016-11-16 CN CN201621228022.4U patent/CN206202420U/en not_active Expired - Fee Related
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| CN109204562A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |