CN112660244B - Offset collision-prevention vehicle body structure - Google Patents
Offset collision-prevention vehicle body structure Download PDFInfo
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- CN112660244B CN112660244B CN202110038043.9A CN202110038043A CN112660244B CN 112660244 B CN112660244 B CN 112660244B CN 202110038043 A CN202110038043 A CN 202110038043A CN 112660244 B CN112660244 B CN 112660244B
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Abstract
The invention provides an offset collision-prevention vehicle body structure, and belongs to the field of vehicles. The offset collision avoidance vehicle body structure comprises an A-pillar assembly and a longitudinal reinforcing beam positioned in the front of the A-pillar assembly, wherein the longitudinal reinforcing beam is in a trapezoid shape with a narrow front part and a wide rear part along the vertical projection, and comprises a longitudinal beam outer plate, a longitudinal beam reinforcing plate and a longitudinal beam inner plate which are sequentially arranged in a vehicle from the outside to the inside, the upper side and the lower side of the longitudinal beam outer plate and the upper side and the lower side of the longitudinal beam inner plate are correspondingly lapped with the middle parts of the longitudinal beam outer plate and the longitudinal beam inner plate to form a cavity, the longitudinal beam reinforcing plate is arranged in the cavity and comprises a connecting part and a first boss positioned behind the connecting part, the connecting part is in a triangular shape and is connected with the longitudinal beam inner plate, and the first boss protrudes towards the longitudinal beam outer plate. The offset collision-prevention vehicle body structure can protect the safety of passengers in offset collision.
Description
Technical Field
The invention belongs to the field of vehicles, and particularly relates to an offset collision-prevention vehicle body structure.
Background
With the deepening of the research of collision regulations, the safety performance of vehicle collision is improved, and from the standpoint of consumers, four index test evaluations of crashworthiness, maintenance economy, safety of passengers in a vehicle, safety of pedestrians outside the vehicle and auxiliary safety of the vehicle are developed around vehicle damage and personal injury in vehicle accident from the perspective of vehicle insurance. The front 25% offset collision test is an important working condition of safety index of passengers in the vehicle, and because the overlapping rate of the barrier and the vehicle is low, the front longitudinal beam cannot crush, bend and absorb energy to protect the safety of the vehicle in the collision process, so the offset working condition requires that the A column has enough supporting strength to ensure the integrity of the passenger compartment structure in the collision.
Disclosure of Invention
It is an object of a first aspect of the invention to provide an offset crash vehicle body structure capable of protecting the safety of an occupant in the event of an offset crash.
It is a further object of the present invention to reduce the process and cost.
Particularly, the invention provides an offset collision and collision avoidance vehicle body structure which comprises an A-pillar assembly and a longitudinal reinforcing beam positioned in the front part of the A-pillar assembly, wherein the longitudinal reinforcing beam is in a trapezoid shape with a narrow front part and a wide rear part along the vertical projection, and comprises a longitudinal beam outer plate, a longitudinal beam reinforcing plate and a longitudinal beam inner plate which are sequentially arranged in a vehicle from the outside to the inside along the transverse direction of the vehicle, the upper side and the lower side of the longitudinal beam outer plate and the upper side and the lower side of the longitudinal beam inner plate are correspondingly lapped with the middle parts of the longitudinal beam outer plate and the longitudinal beam inner plate to form a cavity, the longitudinal beam reinforcing plate is arranged in the cavity, the longitudinal beam reinforcing plate comprises a connecting part and a first boss positioned behind the connecting part, the connecting part is in a triangle shape and is connected with the longitudinal beam inner plate, and the first boss protrudes towards the longitudinal beam outer plate.
Optionally, the first boss extends in the longitudinal direction of the vehicle and is provided with a first flange on one side away from the connecting portion, and the first flange is connected with the a-pillar assembly.
Optionally, a second flanging attached and connected to the inner plate of the longitudinal beam is arranged at the upper part of the first boss, and a third flanging attached and connected to the inner plate of the longitudinal beam is arranged at the bottom of the connecting part.
Optionally, the first boss comprises a first plane facing the roof and a second plane facing the side of the vehicle;
the outer plate of the longitudinal beam comprises a second boss, and a fourth flanging and a fifth flanging which are respectively arranged on the upper side and the lower side of the second boss, wherein the rear part of the second boss is provided with a third plane which is in fit connection with the first plane and a fourth plane which is in fit connection with the second plane, the fourth flanging is in fit connection with the second flanging, and the fifth flanging is in fit connection with the third flanging.
Optionally, the a-pillar assembly comprises:
the A-pillar inner plate extends along the longitudinal direction of the vehicle, and the front side of the A-pillar inner plate is connected with the longitudinal beam inner plate;
and the A column outer plate extends along the longitudinal direction of the vehicle A, and the front side of the A column outer plate is connected with the longitudinal beam outer plate and the first flanging.
Optionally, the a-pillar assembly further comprises:
first A post backup pad is "nearly" style of calligraphy, including the third boss with set up in the sixth turn-ups of third boss both sides, the sixth turn-ups with A post inner panel is connected, the top surface of boss with A post planking laminating is connected, just the third boss with A post inner panel forms the passageway that vertically link up along the vehicle.
Optionally, the a-pillar assembly further comprises:
the second A column supporting plate is in a shape like a Chinese character 'ji' and is arranged below the first A column supporting plate, the second A column supporting plate comprises a fourth boss and seventh flanges arranged on two sides of the fourth boss, the seventh flanges are connected with the A column inner plate, and the fourth boss and the A column inner plate form a channel which is communicated along the longitudinal direction of the vehicle.
Optionally, the a-pillar assembly further comprises:
lower hinge reinforcing plate, including the orientation A post planking bellied fifth boss, with the concave part of fifth boss downside connection and indent and with the downside of concave part links to each other and moves towards A post planking bellied sixth boss, the fifth boss cover in the outside of second A post backup pad, the fifth boss with the sixth boss with A post planking links to each other.
Optionally, the a-pillar assembly further comprises:
the front side of the A-column upper edge beam inner plate is connected with the upper side of the A-column inner plate;
the front side of the A-column roof side rail outer plate is connected with the upper side of the A-column outer plate, the upper side and the lower side of the A-column roof side rail outer plate are in lap joint with the upper side and the lower side of the A-column roof side rail inner plate, and the middle parts of the A-column roof side rail outer plate and the A-column roof side rail inner plate form a cavity;
and the A column roof side rail reinforcing plate is arranged in the cavity and is attached to the A column roof side rail outer plate.
Optionally, the a-pillar roof side rail reinforcing plate and the a-pillar roof side rail outer plate are configured to be welded and then stamped by the same set of dies.
According to the invention, through specially designing the structure of the longitudinal reinforcing beam, the deformation mode of the longitudinal reinforcing beam and the A column assembly in the offset collision process is controlled, so that the structural integrity of a passenger compartment in collision is ensured, the collision safety performance is improved, and the safety of passengers is ensured.
Further, the longitudinal beam reinforcing plate and the longitudinal beam inner plate form a triangular connecting area, so that the structure stably plays a guiding role, the longitudinal reinforcing beam is promoted to stably deflect towards the Y direction of the vehicle, and the force transmission and distribution in the collision process are better controlled.
Furthermore, because the A-pillar assembly needs to have enough strength in the frontal collision, a hot forming material or a high-strength steel material can be selected, and by adopting the materials, the thickness of the material can be reduced, so that the light weight effect is achieved.
Furthermore, the first A-pillar supporting plate adopts a structure in a shape like a Chinese character 'ji', so that the supporting strength is better, and the upper force transmission channel and the lower force transmission channel of the first A-pillar supporting plate are areas with small offset and large collision force, and the structure in the shape like the Chinese character 'ji' can better support an A-pillar assembly in collision, so that the stability of a passenger compartment is ensured.
Furthermore, the invention adopts a box-shaped lower hinge reinforcing plate and a second A-column supporting plate in a shape like a Chinese character 'ji', and the structure is positioned on the collision force transmission channel, so that the invention can play a good role in transmitting collision force, and has high strength and good supporting function.
Furthermore, the A-column roof side rail reinforcing plate and the A-column roof side rail outer plate are welded when being flat plates and then are integrally formed by sharing a set of die, so that the technical process and cost can be reduced, and the structural strength of the A-column roof side rail reinforcing plate and the A-column roof side rail outer plate can meet the collision requirement.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic structural view of an offset crash body structure according to one embodiment of the present invention;
FIG. 2 is a top view of a longitudinal reinforcement beam of an offset crash vehicle body structure according to one embodiment of the present invention;
FIG. 3 is an exploded view of a longitudinal reinforcement beam of an offset crash body structure according to one embodiment of the present invention;
FIG. 4 is a schematic view of an assembled structure of a side rail reinforcement panel and a side rail inner panel of an offset crash vehicle body structure according to an embodiment of the present invention;
FIG. 5 is an offset crash deformation schematic view of an offset crash vehicle body structure (disposed on the cab side) in accordance with one embodiment of the present invention;
FIG. 6 is a schematic structural view of a side rail reinforcement panel of an offset crash vehicle body structure according to one embodiment of the present invention;
FIG. 7 is an exploded schematic view of an offset crash vehicle body structure in accordance with one embodiment of the present invention;
FIG. 8 is a schematic structural view of a first A-pillar support plate of an offset crash vehicle body structure in accordance with one embodiment of the present invention;
FIG. 9 is a schematic structural view of a second A-pillar support plate of the offset crash vehicle body structure in accordance with one embodiment of the present invention;
FIG. 10 is a schematic structural view of a lower hinge reinforcement plate of an offset crash vehicle body structure in accordance with one embodiment of the present invention;
FIG. 11 is a cross-sectional view of an A-pillar roof side rail inner panel, an A-pillar roof side rail outer panel, and an A-pillar roof side rail reinforcement panel of an offset crash vehicle body structure according to one embodiment of the present invention.
Detailed Description
FIG. 1 is a schematic structural view of an offset crash vehicle body structure according to one embodiment of the present invention. The arrows in fig. 1 show the transmission paths of the collision force. Fig. 2 is a top view of an offset crash body structure longitudinal reinforcement beam 20 according to one embodiment of the present invention. The rigid barrier is indicated at 30 in fig. 2 and the load is indicated by the arrows in fig. 2. Fig. 3 is an exploded view of a longitudinal reinforcement beam 20 of an offset crash body structure according to one embodiment of the present invention. Fig. 4 is an assembly structural view of a side member reinforcing plate 22 and a side member inner plate 23 of an offset crash vehicle body structure according to an embodiment of the invention. Fig. 5 is an offset crash deformation schematic view of an offset crash vehicle body structure (disposed on the cab side) according to one embodiment of the present invention. It should be noted that the following references to up, down, front, rear, left, and right refer to the up, down, front, rear, left, and right directions of the vehicle. As shown in fig. 1, in one embodiment, an offset crash body structure (i.e., a shotgun vehicle) includes an a-pillar assembly 10 and a longitudinal reinforcement beam 20 positioned forward of the a-pillar assembly 10. As shown in fig. 2, the longitudinal reinforcing beam 20 has a trapezoidal shape with a narrow front and a wide rear in vertical projection. As shown in fig. 3, the longitudinal reinforcing beam 20 includes a side member outer panel 21, a side member reinforcing panel 22 and a side member inner panel 23 which are arranged in the vehicle transverse direction and in sequence from the outside to the inside, wherein the upper and lower sides of the side member outer panel 21 and the side member inner panel 23 are correspondingly overlapped with the middle portions of the two to form a cavity, and the side member reinforcing panel 22 is disposed in the cavity. The stringer reinforcing plate 22 includes a connecting portion 221 and a first boss 222 located behind the connecting portion 221, the connecting portion 221 is triangular and connected to the stringer inner plate 23, and the first boss 222 is convex toward the stringer outer plate 21 (see fig. 4).
The present embodiment is configured such that the outer shape of the longitudinal reinforcement beam 20 is a trapezoidal shape (viewed in the vehicle longitudinal direction) having a narrow front and a wide rear, while the side member reinforcement panel 22 is provided in the cavity of the side member outer panel 21 and the side member inner panel 23, the side member reinforcement panel 22 has the first boss 222 protruding toward the side member outer panel 21, and the side member reinforcement panel 22 is provided with the triangular connecting portion 221 so as to form a triangular connecting region with the side member inner panel 23. In this manner, the longitudinal reinforcing beam 20 is deflected in the Y direction of the vehicle when the vehicle receives a biasing collision force, for example, the longitudinal reinforcing beam 20 is deflected to the right side of the vehicle when the vehicle receives a biasing collision force on the cab side (see fig. 5), and the longitudinal reinforcing beam 20 is deflected to the left side of the vehicle when the vehicle receives a biasing collision force on the passenger cab side. The deformation of the longitudinal beam reinforcing plate 22 towards the Y direction of the vehicle increases the transmission of collision load along the Y direction and reduces the collision load to the longitudinal direction of the vehicle, and simultaneously reduces the collision load to the A column roof side rail 40, so that the bending deformation of the A column roof side rail 40 is reduced or no bending deformation occurs, the living space of a driver is increased, and the safety performance of the vehicle is improved. That is, the present embodiment controls the deformation modes of the longitudinal reinforcing beam 20 and the a-pillar assembly 10 during the offset collision by specially designing the structure of the longitudinal reinforcing beam 20, so as to ensure the structural integrity of the passenger compartment during the collision, improve the collision safety performance, and ensure the safety of passengers.
Further, the longitudinal beam reinforcing plate 22 and the longitudinal beam inner plate 23 form a triangular connecting area, so that the structure stably plays a role in guiding, the longitudinal reinforcing beam 20 is enabled to deflect towards the Y direction of the vehicle stably, and the force transmission and distribution during the collision are controlled better.
Further, because the a-pillar assembly 10 should have sufficient strength in a frontal collision, a hot forming material or a high-strength steel material may be selected, and by using the above materials, the material thickness may be reduced, thereby achieving a light weight effect.
Fig. 6 is a structural view of a side member reinforcing plate 22 of an offset crash vehicle body structure according to an embodiment of the present invention. In a further embodiment, as shown in fig. 6, the first boss 222 extends in the longitudinal direction of the vehicle and is provided with a first flange 223 at a side thereof away from the connecting portion 221, and the first flange 223 is connected to the a-pillar assembly 10. The upper portion of the first boss 222 is provided with a second flange 224 attached and connected with the longitudinal beam inner plate 23, and the bottom of the connecting portion 221 is provided with a third flange 227 attached and connected with the longitudinal beam inner plate 23. As shown in fig. 3, the first boss 222 includes a first plane 225 facing the roof and a second plane 226 facing the side of the vehicle. The stringer outer plate 21 comprises a second boss 211, and a seventh flange 142 and a fifth flange 213 which are respectively arranged on the upper side and the lower side of the second boss 211, wherein the rear portion of the second boss 211 is provided with a third plane 214 jointed and connected with the first plane 225 and a fourth plane 215 jointed and connected with the second plane 226, the seventh flange 142 is jointed and connected with a second flange 224, and the fifth flange 213 is jointed and connected with a third flange 227.
In the present embodiment, the right side of the side member reinforcing plate 22 is connected to the a-pillar assembly 10, the upper and lower sides thereof are connected to the side member inner plate 23, and the first boss 222 is connected to the side member outer plate 21, so that the connection strength of the entire structure of the longitudinal reinforcing beam 20 can be enhanced.
FIG. 7 is an exploded schematic view of an offset crash body structure according to one embodiment of the present invention. As shown in FIG. 7, in one embodiment, the A-pillar assembly 10 includes an A-pillar inner panel 11 and an A-pillar outer panel 12 that overlap to form a cavity structure. The a-pillar inner panel 11 extends in the longitudinal direction of the vehicle and its front side is connected to the side member inner panel 23. The a-pillar outer panels 12 and a extend in the longitudinal direction of the vehicle, and the front sides thereof are connected to both the side member outer panel 21 and the first burring 223. The present embodiment provides a specific connection between the a-pillar assembly 10 and the longitudinal reinforcing beam 20.
Fig. 8 is a structural view of the first a-pillar support plate 13 of the offset crash vehicle body structure according to one embodiment of the invention. In another embodiment, as shown in fig. 7, the a-pillar assembly 10 further includes a first a-pillar support plate 13, as shown in fig. 8, the first a-pillar support plate 13 is "u" shaped, and includes a third boss 131 and sixth flanges 132 disposed at two sides of the third boss 131, the sixth flanges 132 are connected to the a-pillar inner plate 11, the top surface of the boss is attached to the a-pillar outer plate 12, and the third boss 131 and the a-pillar inner plate 11 form a through passage in the longitudinal direction of the vehicle.
The first a-pillar support plate 13 of this embodiment adopts a "u" shape structure, and the support strength is better, and the upper and lower force transmission channels (see fig. 1) of the first a-pillar support plate 13 are regions with large impact force for small offset, and the "u" shape structure can better support the a-pillar assembly 10 during impact, ensuring the stability of the passenger compartment.
Fig. 9 is a schematic structural view of the second a-pillar support plate 14 of the offset crash vehicle body structure in accordance with one embodiment of the present invention. Fig. 10 is a structural view of the lower hinge reinforcement plate 15 of the offset crash vehicle body structure according to one embodiment of the invention. In a further embodiment, as shown in fig. 7, the a-pillar assembly 10 further includes a second a-pillar support plate 14, as shown in fig. 9, the second a-pillar support plate 14 is shaped like a Chinese character ji and is disposed below the first a-pillar support plate 13, the second a-pillar support plate 14 includes a fourth boss 141 and seventh flanges 142 disposed at two sides of the fourth boss 141, the seventh flanges 142 are connected to the a-pillar inner plate 11, and the fourth boss 141 and the a-pillar inner plate 11 form a passage penetrating in the longitudinal direction of the vehicle. As shown in fig. 7, the a-pillar assembly 10 further includes a lower hinge reinforcing plate 15, as shown in fig. 10, the lower hinge reinforcing plate 15 includes a fifth boss 151 protruding toward the a-pillar outer panel 12, a concave portion 152 connected to a lower side of the fifth boss 151 and concaved inward, and a sixth boss 153 connected to a lower side of the concave portion 152 and protruding toward the a-pillar outer panel 12, the fifth boss 151 covers an outer side of the second a-pillar support plate 14, and the fifth boss 151 and the sixth boss 153 are connected to the a-pillar outer panel 12. Alternatively, the lower hinge reinforcement plate 15 is welded to the a-pillar outer panel 12 through the area within the dotted circle in fig. 10, and is connected to the a-pillar outer panel 12 by fastening members inserted through the mounting holes 154.
In the embodiment, the lower hinge reinforcing plate 15 with a box-shaped part and the second A-pillar supporting plate 14 with a shape like a Chinese character 'ji' are adopted, and the structure is positioned on the collision force transmission channel, so that the collision force transmission function is good, the strength is high, and the supporting function is good.
Optionally, as shown in fig. 7, an upper hinge reinforcement plate 101 and an inner plate reinforcement plate 102 are further provided at the a-pillar inner plate 11, which are arranged in this order from top to bottom, and are located above the first a-pillar support plate 13. Both sides of the upper hinge reinforcing plate 101 are connected to the a-pillar inner panel 11 and the a-pillar outer panel 12, respectively, and both sides of the inner panel reinforcing plate 102 are connected to the a-pillar inner panel 11 and the a-pillar outer panel 12, respectively. The upper hinge reinforcement plate 101 and the inner plate reinforcement plate 102 better support the a-pillar assembly 10, ensuring the strength and the deformation resistance of the a-pillar assembly 10.
FIG. 11 is a cross-sectional view of an A-pillar roof side rail inner panel 16, an A-pillar roof side rail outer panel 17, and an A-pillar roof side rail reinforcement panel 18 of an offset crash vehicle body structure according to one embodiment of the present invention. As shown in FIG. 7, in one embodiment, the A-pillar assembly 10 further includes an A-pillar roof side rail inner panel 16, an A-pillar roof side rail outer panel 17, and an A-pillar roof side rail reinforcement panel 18, all of which are components of the A-pillar roof side rail 40 described above. As shown in fig. 11, the front side of the a-pillar upper side rail inner panel 16 is connected to the upper side of the a-pillar inner panel 11. The front side of the A-column roof side rail outer plate 17 is connected with the upper side of the A-column outer plate 12, the upper side and the lower side of the A-column roof side rail outer plate 17 are in lap joint with the upper side and the lower side of the A-column roof side rail inner plate 16, and the middle parts of the A-column roof side rail outer plate and the A-column roof side rail inner plate form a cavity. The A-column roof side rail reinforcing plate 18 is arranged in the cavity and is attached to the A-column roof side rail outer plate 17.
The structural design is carried out from the area with large front small offset collision condition stress: from the deformation condition of small offset, the stress of the A-column upper edge beam and the lower column is larger in collision, and the section of the A-column upper edge beam is enlarged in the design (namely, a cavity is formed by the A-column upper edge beam outer plate 17 and the A-column upper edge beam inner plate 16) and the A-column upper edge beam reinforcing plate 18 is additionally arranged in the cavity, so that the deformation of the A-column upper edge beam in offset collision is reduced as much as possible and even does not deform.
In one embodiment, the A-pillar roof rail reinforcement panel 18 and the A-pillar roof rail outer panel 17 are configured to be welded and then stamped and formed from the same set of dies. As shown in fig. 11, because the direct welding of the a-pillar roof side rail reinforcing plate 18 and the a-pillar roof side rail outer plate 17 is difficult to achieve due to the structures, the embodiment is formed by welding the a-pillar roof side rail reinforcing plate 18 and the a-pillar roof side rail outer plate 17 as flat plates, and then using one set of mold to form the a-pillar roof side rail reinforcing plate and the a-pillar roof side rail outer plate integrally, so that the technological process and the cost can be reduced, and the structural strength can meet the collision requirement.
Optionally, the components are connected by spot welding, the spot welding is resistance welding and is mainly used for welding a thin plate structure, and the spot welding is simple in operation, high in mechanization and automation degree and high in production efficiency. The offset collision-prevention vehicle body structure is simple in overall structure design and convenient to assemble.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (7)
1. The offset collision and collision avoidance vehicle body structure is characterized by comprising an A-pillar assembly and a longitudinal reinforcing beam positioned in the front of the A-pillar assembly, wherein the longitudinal reinforcing beam is in a trapezoid shape with a narrow front part and a wide rear part along the vertical projection, and comprises a longitudinal beam outer plate, a longitudinal beam reinforcing plate and a longitudinal beam inner plate which are sequentially arranged in the vehicle from the outside to the inside along the transverse direction of the vehicle, the upper side and the lower side of the longitudinal beam outer plate and the upper side and the lower side of the longitudinal beam inner plate are correspondingly lapped with the middle parts of the longitudinal beam outer plate and the longitudinal beam inner plate to form a cavity, the longitudinal beam reinforcing plate is arranged in the cavity, the longitudinal beam reinforcing plate comprises a connecting part and a first boss positioned behind the connecting part, the connecting part is in a triangular shape and is connected with the longitudinal beam inner plate, and the first boss protrudes towards the longitudinal beam outer plate;
the first boss extends along the longitudinal direction of the vehicle, and a first flanging is arranged on one side of the first boss, which is far away from the connecting part, and the first flanging is connected with the A column assembly;
the upper part of the first boss is provided with a second flanging which is in fit connection with the inner plate of the longitudinal beam, and the bottom of the connecting part is provided with a third flanging which is in fit connection with the inner plate of the longitudinal beam;
the first boss includes a first plane facing the roof and a second plane facing the side of the vehicle;
the longitudinal beam outer plate comprises a second boss, a fourth flanging and a fifth flanging, wherein the fourth flanging and the fifth flanging are respectively arranged on the upper side and the lower side of the second boss, the rear portion of the second boss is provided with a third plane and a fourth plane, the third plane is in fit connection with the first plane, the fourth plane is in fit connection with the second flanging, and the fifth flanging is in fit connection with the third flanging.
2. The offset crash vehicle body structure as set forth in claim 1 wherein said a-pillar assembly comprises:
the A-pillar inner plate extends along the longitudinal direction of the vehicle, and the front side of the A-pillar inner plate is connected with the longitudinal beam inner plate;
the A-column outer plate extends along the longitudinal direction of the vehicle, and the front side of the A-column outer plate is connected with the longitudinal beam outer plate and the first flanging.
3. The offset crash vehicle body structure as set forth in claim 2 wherein said a-pillar assembly further comprises:
first A post backup pad is "nearly" style of calligraphy, including the third boss with set up in the sixth turn-ups of third boss both sides, the sixth turn-ups with A post inner panel is connected, the top surface of boss with A post planking laminating is connected, just the third boss with A post inner panel forms the passageway that vertically link up along the vehicle.
4. The offset crash vehicle body structure as set forth in claim 3 wherein said A-pillar assembly further comprises:
the second A column supporting plate is in a shape like a Chinese character 'ji' and is arranged below the first A column supporting plate, the second A column supporting plate comprises a fourth boss and seventh flanges arranged on two sides of the fourth boss, the seventh flanges are connected with the A column inner plate, and the fourth boss and the A column inner plate form a channel which is communicated along the longitudinal direction of the vehicle.
5. The offset crash vehicle body structure as set forth in claim 4 wherein said A-pillar assembly further comprises:
lower hinge reinforcing plate, including the orientation A post planking bellied fifth boss, with the concave part of fifth boss downside connection and indent and with the downside of concave part links to each other and moves towards A post planking bellied sixth boss, the fifth boss cover in the outside of second A post backup pad, the fifth boss with the sixth boss with A post planking links to each other.
6. The offset crash body structure as recited in any one of claims 2-5, wherein said A-pillar assembly further comprises:
the front side of the A-column upper edge beam inner plate is connected with the upper side of the A-column inner plate;
the front side of the A-column roof side rail outer plate is connected with the upper side of the A-column outer plate, the upper side and the lower side of the A-column roof side rail outer plate are in lap joint with the upper side and the lower side of the A-column roof side rail inner plate, and the middle parts of the A-column roof side rail outer plate and the A-column roof side rail inner plate form a cavity;
and the A column roof side rail reinforcing plate is arranged in the cavity and is attached to the A column roof side rail outer plate.
7. The offset crash-proof vehicle body structure according to claim 6,
the A column roof side rail reinforcing plate and the A column roof side rail outer plate are configured to be welded firstly and then are punched and formed by the same set of dies.
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| CN202110038043.9A CN112660244B (en) | 2021-01-12 | 2021-01-12 | Offset collision-prevention vehicle body structure |
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| CN202110038043.9A CN112660244B (en) | 2021-01-12 | 2021-01-12 | Offset collision-prevention vehicle body structure |
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| CN112660244B true CN112660244B (en) | 2022-09-02 |
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| CN113771952A (en) * | 2021-09-15 | 2021-12-10 | 中国第一汽车股份有限公司 | A-column anti-collision structure |
| CN114228833B (en) * | 2021-12-31 | 2023-04-07 | 岚图汽车科技有限公司 | Energy absorption structure for small offset collision of automobile and automobile |
| CN115158473B (en) * | 2022-07-29 | 2023-10-27 | 重庆长安汽车股份有限公司 | Side wall structure of passenger car |
| CN116552647B (en) * | 2023-04-19 | 2023-10-10 | 麦格纳卫蓝新能源汽车技术(镇江)有限公司 | SOB anti-collision structure capable of being used for front part of new energy automobile body |
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| CN210063133U (en) * | 2019-04-01 | 2020-02-14 | 北京汽车股份有限公司 | Vehicle body and have its vehicle |
| CN209888933U (en) * | 2019-04-16 | 2020-01-03 | 威马智慧出行科技（上海）有限公司 | Side beam assembly |
| CN112046610A (en) * | 2019-06-06 | 2020-12-08 | 长城汽车股份有限公司 | A post of vehicle and vehicle |
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