CN203142795U - Passenger car side wall pillar structure with variable cross-sections - Google Patents
Passenger car side wall pillar structure with variable cross-sections Download PDFInfo
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- CN203142795U CN203142795U CN 201320061418 CN201320061418U CN203142795U CN 203142795 U CN203142795 U CN 203142795U CN 201320061418 CN201320061418 CN 201320061418 CN 201320061418 U CN201320061418 U CN 201320061418U CN 203142795 U CN203142795 U CN 203142795U
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Abstract
The utility model relates to the technical field of passenger car safety protection, particularly to a passenger car side wall pillar structure with variable cross-sections. The passenger car side wall pillar structure with the variable cross-sections evidently improves the rollover safety performance of a passenger car and is formed by welding an outer plate structure (6) and a U-shaped inner plate structure (7), the width from a top longitudinal rail (2) to a window waist rail (3) of the outer plate structure (6) is the same, the width from the window waist rail (3) to a lower waist rail (5) increases gradually from top to bottom; the sectional dimension of the U-shaped inner plate structure (7) gradually increases from top to bottom in the length direction of a pillar, the dimension width of every cross-section of the U-shaped inner plate structure (7) is smaller than the dimension width of the outer plate structure (6), which is at the same cross-section position, and welding overlapping areas with equal widths are arranged at connection positions of the U-shaped inner plate structure (7) and the outer plate structure (6). The passenger car side wall pillar structure with the variable cross-sections can guarantee that the collision torque of a passenger car body side wall pillar matches with the sectional dimension of the pillar during a passenger car rollover process to enable the denaturation of the side wall pillar to be more uniform, and accordingly improves the rollover safety performance of the passenger car.
Description
Technical field
The utility model relates to bus safety guard technology field, is specifically related to a kind of variable section punching press welding passenger vehicle side wall pillar structure to the effect of having clear improvement of passenger vehicle rollover safety performance.
Technical background
Fast development along with public transport, passenger vehicle has become the public transport means of the main flow of current society, also caused the generation of various passenger vehicle traffic accidents thereupon, wherein rollover is one of the most serious traffic accident of passenger vehicle, cause the dead group of group to hinder phenomenon easily, therefore how farthest to alleviate in the passenger vehicle rollover process chaufeur and occupant's injury, the rollover safety performance that improves passenger vehicle has become problem demanding prompt solution.
Amount of literature data and simulation result show: in passenger vehicle rollover collision process, what mainly withstand shocks load, absorption collision energy is the enclosed ring of bus body, in enclosed ring again with the passenger vehicle side wall pillar as main distortion energy-absorbing parts, therefore the structure design of passenger vehicle side wall pillar directly has influence on the anti-rollover characteristic of closed-loop, and then has influence on the rollover safety performance of passenger vehicle car load.
During passenger vehicle rollover collision, the side wall pillar top at first contacts with ground, causes its collision moment of bearing to increase gradually from top to bottom along the strut length direction.From theoretical design angle analysis, be the deflection that guarantees that the side wall pillar distortion is even, reduce body structure, the side wall pillar sectional dimension should increase from top to bottom gradually.And the side wall pillar structure of existing passenger vehicle all adopts the rectangular steel pipe of uniform cross section size, causes it in the rollover collision process, and the side wall pillar distortion is inhomogeneous, and gusset structure intrusion amount is bigger, influences the rollover safety performance of car load.
Summary of the invention
In passenger vehicle rollover collision process, the passenger vehicle side wall pillar bears the unequal characteristics of collision moment, the utility model provides a kind of variable section punching press welding passenger vehicle side wall pillar structure that can mate rollover collision moment on the basis of existing coach body structure.
A kind of variable section punching press welding passenger vehicle side wall pillar structure, be welded by outer plate structure 6 and U-shaped interior plate structure 7 two parts, outer plate structure 6 is identical to width the breast beam 3 from top longeron 2, and between the waist rail 5, its width increased from the top down gradually under breast beam 3 arrived; Plate structure 7 sectional dimensions increase from top to bottom gradually along the strut length direction in U-shaped, the dimension width in plate structure 7 each cross sections is all less than the section width of the plate structure 6 same cross-sectional position outside in U-shaped, U-shaped in plate structure 7 and outer plate structure 6 junctions the welded lap zone of width is arranged etc.
Described outer plate structure 6 is 50-60mm from top longeron 2 to the width the breast beam 3, and breast beam 3 is 80-100mm to maximum width between the following waist rail 5, and wall thickness is 3-4mm.
The high wide size in described U-shaped interior plate structure 7 cross sections is than being 0.6-0.9, and the smallest cross-sectional size is compared with largest cross-sectional sized, and aspect ratio is 0.4-0.7, and width is than being 0.4-0.7, and wall thickness is 3-4mm.
Beneficial effect
The variable section punching press welding passenger vehicle side wall pillar structure that the utility model proposes, can guarantee to be complementary in collision moment and the column sectional dimension of passenger vehicle rollover process microbus body side wall column, make the side wall pillar sex change more even, effectively to avoid column to produce local buckling, improve the energy-absorbing effect of structure, reach the deflection that reduces body structure, the target that improves the rollover safety performance of passenger vehicle.
Description of drawings
Fig. 1 is the passenger vehicle rollover scheme drawing of ECE-R66 rules and regulations;
Fig. 2 is the scheme of installation of variable section punching press welding passenger vehicle side wall pillar structure described in the utility model in the closed structure of bus body left side;
Fig. 3 is the scheme of installation of variable section punching press welding passenger vehicle side wall pillar structure described in the utility model in the closed structure of bus body right side;
Fig. 4 is the oblique drawing of variable section punching press welding passenger vehicle side wall pillar structure described in the utility model;
Fig. 5 is the front elevation of variable section punching press welding passenger vehicle side wall pillar structure described in the utility model;
Fig. 6 is the front elevation of the outer plate structure of variable section punching press welding passenger vehicle side wall pillar described in the utility model;
Fig. 7 is the front elevation of plate structure in the variable section punching press welding passenger vehicle side wall pillar described in the utility model punching press;
Fig. 8 is variable section punching press welding passenger vehicle side wall pillar structure A-A schematic cross-section of the present utility model;
Fig. 9 is passenger car figure rollover simulation result scheme drawing;
Figure 10 is the passenger car figure rollover simulation result scheme drawing that has adopted variable section punching press welding passenger vehicle side wall pillar structure;
Wherein, 1, side wall pillar structure, 2, top longeron, 3, breast beam, 4, diagonal brace, 5, down waist rail, 6, outer plate structure, 7, U-shaped in plate structure, 8, solder joint.
The specific embodiment
The the utility model of embodiment that provides below in conjunction with accompanying drawing describes in further detail.
Variable section punching press welding passenger vehicle side wall pillar structure 1 is made up of outer plate structure 6 and U-shaped interior plate structure 7 two parts, and two parts adopt welding process to connect.
Outer plate structure is formed by sheet metal blanking, and its architectural feature is: top longeron 2 is identical to the width of the outer plate structure between the breast beam 3, and span is 50-60mm, to guarantee enough side window visuals field and the bonding convenience of glass; Breast beam 3 is down to the outer plate structure 6 between the following waist rail 5, and its width increases from the top down gradually, and maximum width is 80-100mm, and guaranteeing has certain welded lap zone with U-shaped interior plate structure 7, is convenient to weld; The wall thickness dimension scope of outer plate structure 6 is 3-4mm.
Plate structure 7 in U-shaped, by the Sheet Metal Forming Technology moulding, the high wide size in each cross section is that 0.6-0.9(stipulates that its U-shaped degree of depth is the sectional dimension height than span, U-shaped width is that sectional dimension is wide), sectional dimension increases from top to bottom gradually along the strut length direction, the smallest cross-sectional size is compared with largest cross-sectional sized, and height dimension is 0.4-0.7 than span, and width dimensions is 0.4-0.7 than span; The wall thickness dimension scope is 3-4mm; The dimension width in plate structure 7 each cross sections is all less than the section width of the plate structure 6 same cross-sectional position outside in U-shaped, and guarantee U-shaped in plate structure 7 and outer plate structure 6 junctions the welded lap zone of width is arranged etc.
When variable section punching press welding passenger vehicle side wall pillar structure was installed, outer plate structure was towards the outside of vehicle body, and plate structure is towards the vehicle body inboard in the punching press; Glass for vehicle window is bonded on the outer plate structure by glass bond.
Shown in Fig. 2,3, the utility model is chosen a comparatively ripe 12m full-bearing type highway passenger vehicle, and its side wall pillar is replaced with variable section punching press welding passenger vehicle side wall pillar structure proposed by the invention;
Shown in Fig. 4,5,6,7,8, described variable section punching press welding passenger vehicle side wall pillar structure 1 is made up of outer plate structure 6 and U-shaped interior plate structure 7 two parts; Outer plate structure 6 is formed by sheet metal blanking, and top longeron 2 is identical to the width of the outer plate structure between the breast beam 3, width value is 60mm, and breast beam 3 increases gradually to the width of the outer plate structure between the waist rail 5 down, and width is 80mm; The thickness value of outer plate structure 6 is 3mm; Plate structure 7 in U-shaped, by the Sheet Metal Forming Technology moulding, its sectional dimension increases from top to bottom gradually along the strut length direction, and smallest cross-sectional is of a size of 30mm*35mm*3mm(height * width * thickness), largest cross-sectional sized is 60mm*70mm*3mm(height * width * thickness); Plate structure 7 has wide welded lap zone with outer plate structure 6 junctions in U-shaped, and width is 5mm, and U-shaped interior plate structure 7 is connected by solder joint 8 with outer plate structure 6;
Shown in Fig. 2,3, when described variable section punching press welding passenger vehicle side wall pillar structure 1 was installed, outer plate structure 6 was towards the outside of body structure, and U-shaped interior plate structure 7 is towards the body structure inboard; The glass for vehicle window of the left and right gusset of bus body is connected by the outer plate portion 6 of lining cement with described variable section punching press welding passenger vehicle side wall pillar structure 1.
Described variable section punching press welding passenger vehicle side wall pillar structure 1 upper end is connected with the top longeron 2 of the left and right gusset of vehicle body by solder joint; The lower end is connected with the following waist rail 5 of the left and right gusset of vehicle body by solder joint; The breast beam 3 of the left and right gusset of bus body, the part diagonal brace 4 between the waist rail are connected by the U-shaped interior plate structure 7 of solder joint with described variable section punching press welding passenger vehicle side wall pillar structure 1;
In order to verify validity of the present utility model, the inventor is example with certain passenger vehicle, sets up the original vehicle body section of passenger vehicle finite element model simultaneously and the vehicle body section finite element model that passenger vehicle side wall pillar structure is welded in the variable section punching press is housed according to the requirement of ECE-R66 rules.Utilize LS-Dyna software to carry out simulation analysis, and according to analysis result the ability that the present invention promotes passenger vehicle rollover safety is estimated, result's (in vehicle body segment structure trapezoidal be the living space of laws and regulations requirement) shown in accompanying drawing 6,7.Accompanying drawing 6 is the simulation result of the original vehicle body segment model of passenger vehicle, and its collision side passenger vehicle side wall pillar is 24.4mm to the closest range of living space; Accompanying drawing 7 is for having adopted the vehicle body segment model simulation result of variable section punching press welding passenger vehicle side wall pillar structure proposed by the invention, and its collision side passenger vehicle side wall pillar is 55.7mm to the closest range of living space; Can find out significantly by result contrast and to adopt the deflection that vehicle body segment structure of the present utility model can effectively minimizing body side wall structure, obviously improve the rollover safety performance of passenger vehicle.
Claims (3)
1. variable section passenger vehicle side wall pillar structure, it is characterized in that: be welded by outer plate structure (6) and U-shaped interior plate structure (7) two parts, outer plate structure (6) is identical to width the breast beam (3) from top longeron (2), between the waist rail (5), its width increased from the top down gradually under breast beam (3) arrived; Plate structure (7) sectional dimension increases from top to bottom gradually along the strut length direction in U-shaped, the dimension width in each cross section of plate structure (7) is all less than the section width of plate structure (6) the same cross-sectional position outside in U-shaped, U-shaped in plate structure (7) and outer plate structure (6) junction the welded lap zone of width is arranged etc.
2. a kind of variable section passenger vehicle side wall pillar structure according to claim 1, it is characterized in that: described outer plate structure (6) is 50-60mm from top longeron (2) to the width the breast beam (3), breast beam (3) is 80-100mm to maximum width between the following waist rail (5), and wall thickness is 3-4mm.
3. a kind of variable section passenger vehicle side wall pillar structure according to claim 1, it is characterized in that: the high wide size in described U-shaped interior plate structure (7) cross section is than being 0.6-0.9, the smallest cross-sectional size is compared with largest cross-sectional sized, aspect ratio is 0.4-0.7, width is than being 0.4-0.7, and wall thickness is 3-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061418 CN203142795U (en) | 2013-02-03 | 2013-02-03 | Passenger car side wall pillar structure with variable cross-sections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061418 CN203142795U (en) | 2013-02-03 | 2013-02-03 | Passenger car side wall pillar structure with variable cross-sections |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203142795U true CN203142795U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320061418 Expired - Fee Related CN203142795U (en) | 2013-02-03 | 2013-02-03 | Passenger car side wall pillar structure with variable cross-sections |
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| CN (1) | CN203142795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085887A (en) * | 2013-02-03 | 2013-05-08 | 吉林大学 | Side wall vertical pillar structure of variable-cross-section passenger car |
-
2013
- 2013-02-03 CN CN 201320061418 patent/CN203142795U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085887A (en) * | 2013-02-03 | 2013-05-08 | 吉林大学 | Side wall vertical pillar structure of variable-cross-section passenger car |
| CN103085887B (en) * | 2013-02-03 | 2015-07-08 | 吉林大学 | Side wall vertical pillar structure of variable-cross-section passenger car |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20160203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |