Column A inner plate assembly, column A assembly and vehicle
By designing an inner plate assembly of A-pillar with a crushing zone and a reinforcement zone, and connecting reinforcements to form a strength distribution with weak front and strong back, the problem of A-pillar being prone to deform in small bias collisions is solved, and the energy absorption effect and safety are improved.
Patent Information
- Application Number
- CN202510516663.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2025-06-20
AI Technical Summary
In the small bias collision of the vehicle, the A-pillar is prone to deform, resulting in an increase in the invasion of the passenger compartment and an increase in the risk of occupants' injury. The existing reinforcement parts are insufficient in energy absorption.
An A-pillar inner plate assembly is designed, including a plate body, a first support wall and a second support wall. The plate body has a crushing area and a reinforcement area, and connects the reinforcement to improve the overall stiffness and strength. The weakening part is located in the crushing area, and the reinforcement part is located in the reinforcement area, forming a strength distribution that is weak in front and strong behind.
Effectively improve the deformation resistance and energy absorption effect of the A-pillar inner plate assembly, reduce the intrusion of the passenger compartment, and improve vehicle safety.
Smart Images
Figure CN120171641A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of vehicles, and in particular, to an inner A-pillar assembly, an A-pillar assembly and a vehicle. Background Art
[0002] In a small overlap frontal collision of a vehicle, the A-pillar is a common force-bearing part. Deformation of the A-pillar will cause an increase in the intrusion amount of the occupant compartment, causing harm to the occupants in the occupant compartment. In related technologies, arranging a reinforcing member on the inner A-pillar can increase the strength of the A-pillar and improve the anti-deformation ability. However, the energy absorption effect during a collision is poor, resulting in a poor buffering effect of the A-pillar on the collision energy. A large amount of collision energy is transmitted to the occupant compartment, thereby increasing the risk of injury to the occupants. Summary of the Invention
[0003] The present application aims to at least solve one of the technical problems existing in the prior art. For this purpose, the present application provides an inner A-pillar assembly, which optimizes the buffering performance and the supporting performance. The present application also provides an A-pillar assembly and a vehicle having the inner A-pillar assembly.
[0004] In a first aspect, the inner A-pillar assembly of the embodiments of the present application includes an inner A-pillar and a plurality of reinforcing members. Among them, the inner A-pillar includes a plate body, a first support wall and a second support wall. The plate body has a crush zone and a reinforcement zone arranged adjacent to each other from front to back. The first support wall is connected to the front side of the plate body, and the second support wall is connected to the lower side of the plate body. The first support wall and the second support wall are bent relative to the plate body. A connecting arc is formed at the connection of the plate body, the first support wall and the second support wall. The boundary line between the crush zone and the reinforcement zone extends in the vertical direction and passes through the frontmost end of the connecting arc; at least one of the reinforcing members includes a weakening portion and a strengthening portion connected in the front-back direction. The strengthening portion is located in the reinforcement zone and is connected to the plate body, and the weakening portion is at least partially located in the crush zone and is connected to the plate body.
[0005] The inner A-pillar panel assembly according to the embodiments of the present application has at least the following beneficial effects: The inner A-pillar connecting reinforcement can effectively improve the overall stiffness and strength of the inner A-pillar panel assembly, enhance the anti-deformation ability. On this basis, the crushing area and the strengthening area of the plate body are reasonably arranged. The boundary line between the crushing area and the strengthening area extends vertically and passes through the front end of the connecting arc formed at the connection of the plate body, the first support wall and the second support wall. Taking this boundary line as a reference, at least part of the weakened part of the reinforcement is located in the crushing area, and the strengthening part is located in the strengthening area, so that the inner A-pillar panel assembly forms a strength distribution of weak in the front and strong in the back, ensuring the energy absorption effect of the front crushing area. During a collision impact, the plate body and the weakened part of the reinforcement can be fully crushed and absorb energy in the crushing area, realizing effective buffering of part of the collision energy. The strengthening part of the reinforcement effectively supports and transmits force in the strengthening area, thereby preventing deformation, enabling the inner A-pillar panel assembly to be strengthened as a whole while effectively absorbing collision energy, reducing the intrusion amount of the occupant compartment during a collision, and improving safety.
[0006] For the inner A-pillar panel assembly according to some embodiments of the present application, at least one of the first reinforcement and the second reinforcement is included in the plurality of reinforcements, wherein: The first reinforcement is of a reinforcing plate structure, and the area of the weakened part is smaller than the area of the strengthening part; The second reinforcement includes a first bracket, the first bracket is connected to the plate body, and a first strengthening cavity is formed between the first bracket and the plate body. The first bracket includes the weakened part and the strengthening part connected in the front and back. The weakened part is provided with a notch, and the rear side edge of the notch is flush with the boundary line or located behind the boundary line.
[0007] For the inner A-pillar panel assembly according to some embodiments of the present application, the first reinforcement is of a reinforcing plate structure, and the area of the weakened part is smaller than the area of the strengthening part; The second reinforcement includes a first bracket, the first bracket is connected to the plate body, and a first strengthening cavity is formed between the first bracket and the plate body. The first bracket includes the weakened part and the strengthening part connected in the front and back. The weakened part is provided with a notch, and the rear side edge of the notch is flush with the boundary line or located behind the boundary line.
[0008] For the inner A-pillar panel assembly according to some embodiments of the present application, the second reinforcement further includes a second bracket, the second bracket is located in the strengthening area and in the first strengthening cavity, and the second bracket is connected to the first bracket and the plate body.
[0009] For the inner A-pillar panel assembly according to some embodiments of the present application, the reinforcement includes the first reinforcement and the second reinforcement, and the first reinforcement is disposed above the second reinforcement at intervals.
[0010] For the A-pillar inner panel assembly according to some embodiments of the present application, along the front-rear direction, the width of the crushing zone is smaller than the width of the strengthening zone.
[0011] For the A-pillar inner panel assembly according to some embodiments of the present application, the A-pillar inner panel further includes a third support wall, the third support wall is connected to the rear side of the plate body, the third support wall and the first support wall are bent towards the same side of the plate body, and the third support wall, the first support wall and the plate body enclose a cavity structure.
[0012] In a second aspect, the A-pillar assembly according to an embodiment of the present application includes the A-pillar inner panel assembly described in the first aspect above. By improving the anti-deformation ability of the A-pillar inner panel assembly and effectively dispersing the collision energy through the crushing zone, the energy absorption effect and the support performance of the A-pillar assembly are improved, thereby reducing the intrusion amount of the occupant compartment during a collision.
[0013] For the A-pillar assembly according to some embodiments of the present application, the A-pillar assembly further includes a mounting bracket, the mounting bracket is located in the strengthening zone and is connected to the side of the plate body facing away from the strengthening member.
[0014] In a third aspect, the vehicle according to an embodiment of the present application includes the A-pillar assembly described in the second aspect above, which can effectively reduce the intrusion amount of the occupant compartment and improve the safety of the vehicle.
[0015] For the vehicle according to some embodiments of the present application, the vehicle further includes a front longitudinal beam inner panel, the front longitudinal beam inner panel is connected to the side of the plate body facing away from the strengthening member, a second strengthening cavity is formed between the front longitudinal beam inner panel and the plate body, and the second strengthening cavity is opposite to at least one of the strengthening members.
[0016] The additional aspects and advantages of the present application will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present application. Description of the Drawings
[0017] Figure 1 It is a schematic diagram of the front structure of the A-pillar inner panel assembly according to an embodiment of the present application; Figure 2 It is a schematic diagram of the structure of the A-pillar inner panel assembly according to an embodiment of the present application; Figure 3 It is Figure 2 an enlarged schematic diagram of the lower half of the A-pillar inner panel in Figure 4 It is Figure 2 an exploded schematic diagram of a part of the structure of the A-pillar inner panel assembly shown in Figure 5 It is a schematic diagram of the structure of the first strengthening member according to an embodiment of the present application; Figure 6Schematic diagram of the structure of the second reinforcing member in an embodiment of the present application; Figure 7 Partial schematic diagram of the installation of the inner panel assembly of the A-pillar in the body structure in an embodiment of the present application; Figure 8 is Figure 7 Schematic diagram of the cross-section at position A in , showing the longitudinal section structure at the position of the second reinforcing member; Figure 9 is Figure 7 Schematic diagram of the cross-section at position B in , showing the cross-section structure at the position of the first reinforcing member; Figure 10 Schematic diagram of the connection between the mounting bracket and the inner panel of the A-pillar in the A-pillar assembly of the embodiment of the present application.
[0018] Reference numerals: Inner panel 100 of the A-pillar; Crushing zone 101; Reinforcing zone 102; Demarcation line 103; Plate body 110; First support wall 120; First bending wall 121; First flanging 122; Second support wall 130; Second bending wall 131; Second flanging 132; Third support wall 140; Third bending wall 142; Third flanging 141; Connection arc 150; Frontmost end 151; Corner 160; First reinforcing member 200; First weakening part 210; Front-side flanging 211; First strengthening part 220; Extension part 221; Front-side edge 222; Third strengthening cavity 230; Fixed flanging 240; Rear-side flanging 250; Second reinforcing member 300; First bracket 310; Body 311; Notch 312; Rear-side edge 312a; Upper-side edge 312b; Lower-side edge 312c; Wall body 314; First mounting part 315; Second mounting part 316; Second weakening part 317; Second strengthening part 318; First strengthening cavity 319; Second bracket 320; Support part 321; First connection part 322; Second connection part 323; Third connection part 324; Inner panel 400 of the front longitudinal beam; Second strengthening cavity 410; Connection flanging 420; Mounting bracket 500; Frame body 510; Flanging part 520; Fourth strengthening cavity 530; Tire envelope 10; Upper longitudinal beam 20. Detailed implementation manners
[0019] The following will clearly and completely describe the concept of this application and the technical effects produced in combination with the embodiments, so as to fully understand the purpose, features, and effects of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all embodiments. Based on the embodiments of this application, other embodiments obtained by those skilled in the art without creative efforts shall fall within the scope of protection of this application.
[0020] In the description of the embodiments of this application, if it involves orientation description, such as "upper", "lower", "front", "back", "left", "right", etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, so it should not be construed as a limitation to this application.
[0021] In the description of the embodiments of this application, if a certain feature is referred to as "set", "fixed", "connected", "installed" on another feature, it can be directly set, fixed, connected, or installed on another feature, or indirectly set, fixed, connected, or installed on another feature. In the description of the embodiments of this application, if it involves "several", its meaning is more than one; if it involves "multiple", its meaning is more than two; if it involves "greater than", "less than", "exceeding", it should be understood as not including the number itself; if it involves "above", "below", "within", it should be understood as including the number itself. If it involves "first", "second", it should be understood as used to distinguish technical features, rather than indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence of the indicated technical features.
[0022] In the present invention, the orientations such as upper, lower, front, back, left, and right refer to the orientation of the vehicle body in the vehicle O-XYZ coordinate system. The origin O coincides with the center of mass of the vehicle. The front end means that the X direction is parallel to the ground and points forward, the rear end means that the X direction is parallel to the ground and points backward, the left side means that the Y direction is parallel to the ground and points to the left side of the driver, the right side means that the Y direction is parallel to the ground and points to the right side of the driver, the upper end means that the Z direction passes through point O and points upward, and the lower end means that the Z direction passes through point O and points downward.
[0023] In the vehicle, reference Figure 1The A-pillar includes an A-pillar inner panel 100, an A-pillar outer panel and other structures. The A-pillar inner panel 100 and the A-pillar outer panel are arranged in an upward and downward direction to form a longitudinal force transmission path. The A-pillar can be connected to a threshold beam below, which can be used to transfer the energy transmitted by the threshold beam upward to the upper structure at the rear end of the vehicle body. The A-pillar can be connected to an upper longitudinal beam 20 in front of the A-pillar, which can be used to transfer the energy transmitted by the upper longitudinal beam 20 backward to the rear end structure of the vehicle body. The strength and structural design of the A-pillar have a direct impact on the safety of the passenger compartment. In a small offset collision type, due to the small collision contact position / angle, the tire pressure offset will impact the A-pillar structure in the tire envelope 10 area. Part of the collision energy will be transmitted along the upper longitudinal beam 20 of the vehicle body to the A-pillar of the vehicle body, and then to the structure at the rear end of the vehicle body. If the A-pillar cannot effectively absorb energy, it will further increase the risk of intrusion into the passenger compartment space.
[0024] refer to Figure 1 and Figure 2 The embodiment of the present application proposes an A-pillar inner panel assembly and an A-pillar assembly including the A-pillar inner panel assembly, which optimizes the buffering performance and supporting performance of the A-pillar inner panel assembly, helps to reduce the intrusion into the passenger compartment and protect the safety of the occupants.
[0025] The A-pillar inner panel assembly of the embodiment of the present application includes an A-pillar inner panel 100 and a plurality of reinforcement members, wherein the A-pillar inner panel 100 includes a panel body 110, a first support wall 120 and a second support wall 130. The panel body 110 has a crushing area 101 and a reinforcement area 102 arranged adjacent to each other from front to back, the first support wall 120 is connected to the front side of the panel body 110, the second support wall 130 is connected to the lower side of the panel body 110, and the first support wall 120 and the second support wall 130 are bent relative to the panel body 110, wherein the vehicle is provided with A-pillar inner panels on the left and right sides along the Y direction, respectively, and the side of each A-pillar inner panel 100 facing the passenger compartment along the Y direction can be defined as the inner side, and the side away from the passenger compartment along the Y direction can be defined as the outer side. The first support wall 120 and the second support wall 130 can be bent toward the same side relative to the plate body 110, for example, bent outwardly along the Y direction, or the first support wall 120 and the second support wall 130 can be bent toward different sides relative to the plate body 110, for example, the first support wall 120 is bent outwardly along the Y direction relative to the plate body 110, and the second support wall 130 is bent inwardly along the Y direction relative to the plate body 110. The first support wall 120 can facilitate the connection of the A-pillar inner panel 100 with the A-pillar outer panel, the upper longitudinal beam 20 and other structures, and the second support wall 130 can facilitate the connection of the A-pillar inner panel 100 with the door sill beam and other structures. The connection between the plate body 110, the first support wall 120 and the second support wall 130 is smoothly transitioned, thereby forming a connection arc 150, which is conducive to reducing stress concentration and improving the structural strength of the connection.
[0026] The reinforcing member is connected to the plate body 110, which can effectively improve the stiffness and strength of the inner panel 100 of the A-pillar, thereby enhancing the anti-deformation ability of the inner panel assembly of the A-pillar. When suffering from a collision impact, it is conducive to the effective transfer of collision energy and reduces the risk of large deformation of the A-pillar assembly. Among them, at least one reinforcing member includes a weakened portion and a strengthened portion connected in the front-rear direction, which can enhance the support strength of the plate body 110 in the front-rear direction. The strengthened portion is located in the strengthening area 102 and is connected to the plate body 110, and the weakened portion is located in the crushing area 101 and is connected to the plate body 110. It can be understood that both the weakened portion and the strengthened portion can enhance the support strength, and the strength and stiffness of the weakened portion are lower than those of the strengthened portion. Therefore, the strengthening support effect of the weakened portion on the inner panel 100 of the A-pillar is relatively weaker than that of the strengthened portion, so as to strengthen the inner panel assembly of the A-pillar section by section from front to back, making the overall strength distribution of the inner panel assembly of the A-pillar form a front-weak and rear-strong pattern. When the collision energy increases, the weakened portion is more likely to deform relative to the strengthened portion, so as to perform crushing energy absorption in the crushing area 101. At the same time, the strengthening structure in the strengthening area 102 can strengthen the support and prevent deformation. Thus, while the inner panel assembly of the A-pillar is strengthened as a whole, it can also effectively buffer the collision energy.
[0027] In the embodiment of the present application, the crushing area 101 and the strengthening area 102 are reasonably arranged. Among them, a connecting arc 150 is formed at the connection of the plate body 110, the first support wall 120 and the second support wall 130. The demarcation line 103 between the crushing area 101 and the strengthening area 102 extends in the up-down direction, and the demarcation line 103 passes through the frontmost end 151 of the connecting arc 150. Taking this demarcation line as a reference, the weakened portion and the strengthened portion of the reinforcing member are arranged. The strengthened portion is arranged in the strengthening area, and at least part of the weakened portion is arranged in the crushing area. That is to say, the strengthened portions are all located behind the demarcation line 103. For example, the front side edge of the strengthened portion of the reinforcing member can be flush with the demarcation line 103 or located behind the demarcation line 103, making the strength distribution of the inner panel assembly of the A-pillar more reasonable. At least part of the weakened portion is located in the crushing area 101 to ensure sufficient energy absorption in the front crushing area 101 and effective support and deformation prevention in the rear strengthening area 102.
[0028] Generally speaking, a connecting corner 160 is formed at the intersection of the first support wall 120 and the second support wall 130 of the inner panel 100 of the A-pillar. The connecting corner 160 is located at the front side of the bottom end of the inner panel 100 of the A-pillar and behind the tire envelope 10. The connecting arc 150 formed by the connection of the plate body 110 with the first support wall 120 and the second support wall 130 is located at the upper rear side of the corner 160. When a collision occurs, there is a high probability that the connecting corner 160 of the first support wall 120 and the second support wall 130 will collide with the tire first, bringing an impact to the plate body 110. The collision energy is transmitted backward and upward from the first support wall 120 to the rear and upper regions of the connecting arc 150 of the plate body 110, transmitted backward from the upper longitudinal beam 20 to the plate body 110 and the reinforcing member connected to the plate body 110 (the transmission path can be referred toFigure 1 , Figure 1 Only some structures are schematically shown, and the partial transmission path of the collision force is schematically shown by the dashed arrow). Therefore, in the embodiment of the present application, the crush zone 101 and the strengthening zone 102 of the plate body 110 are reasonably arranged with reference to the demarcation line 103 formed by passing through the foremost end 151 of the connecting arc 150 and extending in the up and down directions. With this demarcation line 103 as a reference, the strengthening member and the weakened part and the strengthened part of the strengthening member are arranged, so as to realize the orderly arrangement of the strengthening member, make the overall strength distribution of the inner panel assembly of the A-pillar relatively controllable after connecting the strengthening member, ensure that the weakened part of the strengthening member has a sufficient width while avoiding the strengthened part being too far forward, so as to improve the anti-deformation ability while ensuring sufficient crush energy absorption.
[0029] When the collision impact increases, the crush zone 101 can fully collapse and absorb energy, which is beneficial to dispersing the collision energy transmitted backward and upward through the first support wall 120 and the collision energy transmitted backward through the upper longitudinal beam 20. On this basis, the strengthening zone 102 located behind the crush zone 101 effectively supports and transmits force to the crush zone 101. Thus, while improving the anti-deformation ability of the inner panel assembly of the A-pillar through the strengthening member, the collision energy can be effectively dispersed, which is beneficial to reducing the intrusion amount of the occupant compartment and improving safety.
[0030] Reference Figures 2 to 4 , in some embodiments, the plate body 110, the first support wall 120, and the second support wall 130 may be an integrally formed structure. For example, the plate body 110, the first support wall 120, and the second support wall 130 are formed by sheet metal stamping. The integrally formed structure not only optimizes the yield strength and improves the anti-deformation ability, but also is beneficial to reducing the number of parts and the connection process and simplifying the production process.
[0031] Reference Figures 2 to 4, in some embodiments, the first support wall 120 includes a first bent wall 121 and a first flanging 122, the second support wall 130 includes a second bent wall 131 and a second flanging 132, the first bent wall 121 is connected to the front side of the plate body 110, the second bent wall 131 is connected to the lower side of the plate body 110, the first bent wall 121 and the second bent wall 131 extend towards the same side of the plate body 110 (such as the inner or outer side in the Y direction), and the connecting arc 150 formed by the connection of the plate body 110 with the first bent wall 121 and the second bent wall 131 is located on the surface of the plate body 110 facing the first bent wall 121 and the second bent wall 131. Alternatively, the first bent wall 121 and the second bent wall 131 extend towards different sides of the plate body 110. For example, the first bent wall 121 extends outwards along the Y direction relative to the plate body 110, the second bent wall 131 extends inwards along the Y direction relative to the plate body 110, and the connecting arc 150 is located on the surface of the plate body 110 facing the first bent wall 121. The first flanging 122 is connected to one end of the first bent wall 121 facing away from the plate body 110 and is bent forward, and can be used to connect to the outer panel of the A-pillar or the upper longitudinal beam 20. The second flanging 132 is connected to one end of the second bent wall 131 facing away from the plate body 110 and is bent downwards, and can be used to connect to the outer panel of the A-pillar or the sill beam.
[0032] Reference Figure 2 , in some embodiments, among several reinforcing members connected to the plate body 110, there is a first reinforcing member 200. The first reinforcing member 200 is a reinforcing plate structure. The first reinforcing member 200 includes a weakened portion and a strengthened portion connected in the front and back. The area of the weakened portion is smaller than the area of the strengthened portion. Thus, the strength and stiffness of the weakened portion are smaller than those of the strengthened portion. Therefore, when the first reinforcing member 200 is connected to the plate body 110 of the inner panel of the A-pillar 100, a segmented strengthening structure with weaker front and stronger back is formed.
[0033] Reference Figures 2 to 5, wherein, the weakened part and the strengthened part of the first reinforcement member 200 may be respectively referred to as the first weakened part 210 and the first strengthened part 220. As an example, the first strengthened part 220 has an extension part 221 protruding from the outer contour edge of the first weakened part 210, so that the area of the front-end weakened part is smaller than the area of the strengthened part, forming a front-end weakened structure. The dimension of the first weakened part 210 in the up-down direction is smaller than the dimension of the first strengthened part 220 in the up-down direction. Thus, the front side of the extension part 221 has a front side edge 222, and this front side edge 222 can be used as the structural boundary between the weakened part and the strengthened part on the first reinforcement member 200. Therefore, when arranging the first reinforcement member 200 with reference to the above-mentioned demarcation line 103, and making the front side edge 222 flush with the demarcation line 103 or located at the rear side of the demarcation line 103 during connection, the relative position of the first reinforcement member 200 and the plate body 110 can be ensured, so that at least part of the first weakened part 210 is located in the crushing zone 101, the first strengthened part 220 is located in the strengthening zone 102 and does not protrude too far forward, ensuring sufficient crushing energy absorption and effectively preventing deformation during collision.
[0034] Reference Figures 2 to 6 , in some other embodiments, among several reinforcement members connected to the plate body 110, there is a second reinforcement member 300. The second reinforcement member 300 includes a first bracket 310. The first bracket 310 is connected to the plate body 110 and forms a first strengthening cavity 319 between the first bracket 310 and the plate body 110. The first bracket 310 includes a weakened part and a strengthened part connected front and back, which can be respectively referred to as the second weakened part 317 and the second strengthened part 318.
[0035] Wherein, the second weakened part 317 is provided with a notch 312, so that the strength and stiffness of the second weakened part 317 are relatively weaker than those of the second strengthened part 318, realizing a strength distribution of being weak in the front and strong in the back, thereby performing segmented strengthening on the inner panel 100 of the A-pillar. Wherein, the rear side edge 312a of the notch 312 can be used as the structural boundary between the second weakened part 317 and the second strengthened part 318 on the second reinforcement member 300, and the second strengthened part 318 is located behind the rear side edge 312a of the notch 312. Therefore, when arranging the second reinforcement member 300 with reference to the demarcation line 103 between the crushing zone 101 and the strengthening zone 102, and ensuring that the rear side edge 312a of the notch 312 is located at the rear side of the demarcation line 103, the relative position of the second reinforcement member 300 and the plate body 110 can be determined, so that at least part of the second weakened part 317 is located in the crushing zone 101, the second strengthened part 318 is located in the strengthening zone 102 and does not protrude too far forward, ensuring sufficient crushing energy absorption and effectively preventing deformation.
[0036] In some embodiments, one reinforcement member can be connected to the plate body 110 of the inner panel 100 of the A-pillar, such as the aforementioned first reinforcement member 200 or second reinforcement member 300, to achieve local reinforcement of the inner panel 100 of the A-pillar. Or, reference Figures 2 to 4, at least two reinforcing members distributed vertically can be connected to the plate body 110 of the inner A-pillar panel 100, so that the inner A-pillar panel assembly forms a multi-section reinforcing structure in the vertical direction, and at least two reinforcing members respectively have a weakened portion and a strengthened portion, and the weakened portion and the strengthened portion are arranged according to the crush zone 101 and the strengthening zone 102. Thus, the inner A-pillar panel can be reinforced in multiple sections, and a strength distribution with weaker front and stronger rear is formed, which can not only improve the support strength and energy absorption effect of the inner A-pillar panel assembly in the front-rear direction, but also improve the support strength of the inner A-pillar panel assembly in the vertical direction, and further improve the buffer energy absorption performance and support performance of the inner A-pillar panel assembly. When subjected to a small offset collision impact, the inner A-pillar panel assembly can better transfer the collision energy transmitted from the sill upwards, and better absorb and buffer the collision energy transmitted backwards from the front structure (such as the tire, the upper longitudinal beam 20, etc.) through the collapse energy absorption effect of the crush zone 101, and perform strengthening support through the strengthening zone 102, avoiding injury to the occupants in the cockpit due to the deformation of the A-pillar structure and improving driving safety.
[0037] Among them, the front edges of the strengthening portions of at least two reinforcing members distributed vertically can be aligned in the vertical direction or have appropriate misalignments. Generally, the front edges of each strengthening portion do not exceed the demarcation line 103, thereby realizing the orderly arrangement of each reinforcing member and facilitating the assembly and connection of each reinforcing member in the inner A-pillar panel assembly.
[0038] Reference Figures 2 to 6 , as an example, at least two reinforcing members are provided on the plate body 110 of the inner A-pillar panel 100. At least two reinforcing members include a first reinforcing member 200 and a second reinforcing member 300. The first reinforcing member 200 is spaced above the second reinforcing member 300. The first strengthening portion 220 of the first reinforcing member 200 and the second strengthening portion 318 of the second reinforcing member 300 are both located in the strengthening zone 102 of the plate body 110. The front side edge 222 of the extending portion 221 of the first strengthening portion 220 and the rear side edge 312a of the notch 312 of the second weakened portion 317 are both located behind the demarcation line 103, so that the front ends of the first reinforcing member 200 and the second reinforcing member 300 can fully collapse and absorb energy with the plate body 110 in the crush zone 101 when the vehicle is subjected to a collision impact, reducing the collision impact force transmitted rearward. The rear strengthening portions of the first reinforcing member 200 and the second reinforcing member 300 further increase the strength of the inner A-pillar panel assembly in the strengthening zone 102 and improve the ability to prevent deformation.
[0039] Reference Figure 6, in some embodiments, the first bracket 310 of the second reinforcing member 300 includes a body 311 and wall bodies 314 oppositely disposed at two ends of the body 311 in the up-down direction. The wall bodies 314 are connected to the body 311 and extend in the left-right direction. Thus, the body 311 of the first bracket 310 and the two wall bodies 314 form a "work" - shaped structure with strong self - stiffness, stable force - bearing and continuity. The body 311 of the first bracket 310 and the two wall bodies 314 enclose a receiving cavity, so that the cross - section of the first bracket 310 in the left - right direction forms a "J" - shaped structure. After the first bracket 310 is connected to the inner panel 100 of the A - pillar, the body 311, the wall bodies 314 and the plate body 110 can enclose to form a relatively closed first reinforcing cavity 319. One end of the wall body 314 facing away from the body 311 is used to connect to the plate body 110, which can provide support for the inner panel 100 of the A - pillar in the left - right direction, and the body 311 is supported between the two wall bodies 314 in the up - down direction.
[0040] Reference Figure 2 and Figure 4 , in some embodiments, the inner panel 100 of the A - pillar may further include a third support wall 140. The third support wall 140 is connected to the rear side of the plate body 110. The third support wall 140 and the first support wall 120 are bent towards the same side of the plate body 110. For example, the third support wall 140 and the first support wall 120 are bent outwards along the Y - direction relative to the plate body 110. The third support wall 140 may have a similar structure to the first support wall 120. For example, the third support wall 140 includes a third flanging 141 and a third bending wall 142. The third bending wall 142 is connected to the rear side of the plate body 110. The third bending wall 142 and the first bending wall 121 of the first support wall 120 extend outwards along the Y - direction relative to the plate body 110. The third flanging 141 is connected to one end of the third bending wall 142 facing away from the plate body 110 and is bent backwards, which can be used to connect to the outer panel of the A - pillar or other body structures. Thus, the third support wall 140, the first support wall 120 and the plate body 110 together enclose a concave cavity structure of the inner panel 100 of the A - pillar. The third support wall 140 can be used to connect to the outer panel of the A - pillar. The formation of the concave cavity structure of the inner panel 100 of the A - pillar is beneficial to improving the structural strength and can provide installation space for the reinforcing member.
[0041] Reference Figure 4 and Figure 6, in some embodiments, the front and rear ends of the wall body 314 in the first bracket 310 of the second reinforcing member 300 can be used to connect the first support wall 120 and the third support wall 140 of the inner panel 100 of the A-pillar. Thus, the wall body 314 can provide support for the inner panel 100 of the A-pillar in the front-rear direction. In addition, the notch 312 of the first bracket 310 can be provided at the front end of the main body 311, so the strength of the front end of the main body 311 can be weakened. Moreover, at the positions corresponding to the notch 312 on the wall bodies 314 on the upper and lower sides of the main body 311, the Z-direction support is missing due to the presence of the notch 312, so the support strength is weakened. The rear side edge 312a of the notch 312 on the main body 311 is located behind the demarcation line 103 or flush with the demarcation line 103. Thus, the structural strength of the main body 311 in the crush zone 101 is weakened by the notch 312, and the support strength between the parts of the wall bodies 314 on both sides of the main body 311 in the crush zone 101 is weakened by the notch 312. Therefore, while ensuring that the second reinforcing member 300 strengthens the inner panel 100 of the A-pillar, effective energy absorption can be achieved in the crush zone 101, and the notch 312 can also effectively reduce the weight of the first bracket 310.
[0042] Specifically, the notch 312 may include a rear side edge 312a, an upper side edge 312b, and a lower side edge 312c. The upper side edge 312b is spaced above the lower side edge 312c. The upper side edge 312b is connected to the upper end of the rear side edge 312a, and the lower side edge 312c is connected to the lower end of the rear side edge 312a. The rear side edge 312a, the upper side edge 312b, and the lower side edge 312c enclose a notch 312 with one side open.
[0043] Among them, referring to Figure 6 , in some examples, the rear side edge 312a, the upper side edge 312b, and the lower side edge 312c are all provided on the main body 311. The upper side edge 312b extends forward from the upper end of the rear side edge 312a to the front end of the main body 311, and the lower side edge 312c extends forward from the lower end of the rear side edge 312a to the front end of the main body 311. Thus, the notch 312 removes some materials at the front end of the main body 311, thereby weakening the strength of the front end of the main body 311. The parts of the wall bodies 314 on the upper and lower sides of the main body 311 corresponding to the notch 312 lack Z-direction support, resulting in weakened support strength.
[0044] Alternatively, in some other examples, the rear side edge 312a of the notch 312 is provided on the body 311, a part of the upper side edge 312b and the lower side edge 312c is provided on the body 311, and the other part extends to the wall body 314. The notch 312 not only subtracts part of the material at the front end of the body 311, but also subtracts part of the material at the front ends of the wall bodies 314 on both sides of the body 311, so that the notch 312 can weaken the strength of the front end of the body 311 and the strength of the front end of the wall body 314. For example, the rear end of the upper side edge 312b is located on the body 311 and is connected to the upper end of the rear side edge 312a. The upper side edge 312b extends obliquely forward and inward in the Y direction of the plate body 110 from the upper end of the rear side edge 312a to the wall body 314 above the body 311, and the front end of the upper side edge 312b extends to the front end of the wall body 314 above the body 311; the rear end of the lower side edge 312c is located on the body 311 and is connected to the lower end of the rear side edge 312a. The lower side edge 312c extends obliquely forward and inward in the Y direction of the plate body 110 from the lower end of the rear side edge 312a to the wall body 314 below the body 311, and the front end of the lower side edge 312c extends to the front end of the wall body 314 below the body 311. Thus, the notch 312 can not only weaken the front end strength of the body 311, but also further weaken the front end structural strength of the wall body 314. At the same time, the support strength between the wall bodies 314 on both sides of the body 311 of the first bracket 310 is also weakened at the position corresponding to the notch 312 due to the existence of the notch 312, making the first bracket 310 more easily crushable and energy-absorbing. When arranging the second reinforcing member 300, the rear side edge 312a of the notch 312 is located at the rear side of the demarcation line 103 or flush with the demarcation line 103, so that the front end structural strength of the body 311 and the wall body 314 of the first bracket 310 located in the crush zone 101 can be weakened in the crush zone 101, and the support strength between the wall bodies 314 on both sides of the body 311 can be weakened, thereby ensuring that the second reinforcing member 300 can effectively absorb energy in the crush zone 101 while strengthening the inner panel 100 of the A-pillar, and can also effectively reduce the weight of the first bracket 310.
[0045] Reference Figure 4 and Figure 6, in some embodiments, the first bracket 310 of the second reinforcement 300 further includes a first mounting portion 315. The first mounting portions 315 are respectively connected to the ends of the respective wall bodies 314 facing away from the main body 311. The first mounting portion 315 extends in the up and down direction relative to the wall body 314. The first mounting portion 315 is used to connect to the plate body 110. The first mounting portion 315 extends in the up and down direction relative to the wall body 314 to form a flanging structure. The first mounting portion 315 is adapted to be screwed to the plate body 110 or welded to the wall surface of the plate body 110, which is convenient for connection, ensures the stability of the connection between the first mounting portion 315 and the plate body 110, and guarantees the effective transmission of the collision force at the moment of collision. Adopting the welding method can also reduce the number of components, which is beneficial to the lightweight design of the A-pillar inner panel 100 while ensuring the structural strength.
[0046] Reference Figure 7 and Figure 8 , the A-pillar inner panel assembly is applied to a vehicle and can be connected to the inner panel of the front longitudinal beam of the vehicle body. For example, an embodiment of the present application provides a vehicle, including the inner panel 400 of the front longitudinal beam and an A-pillar assembly having the A-pillar inner panel assembly of the embodiment of the present application. Among them, the inner panel 400 of the front longitudinal beam is connected to the side of the plate body 110 of the A-pillar inner panel 100 facing away from the reinforcement. The inner panel 400 of the front longitudinal beam is opposite to at least one reinforcement along the Y direction of the plate body 110, that is, the inner panel 400 of the front longitudinal beam and the reinforcement are respectively arranged on the left and right sides of the plate body 110, so that the strength of the connection position between the inner panel 400 of the front longitudinal beam and the plate body 110 can be improved through the reinforcement, and the connection stability of the inner panel 400 of the front longitudinal beam is improved. The inner panel 400 of the front longitudinal beam can be partially connected to the reinforcement area 102 of the plate body 110, so as to be oppositely arranged with the reinforcement part of the reinforcement. Therefore, when the crush zone 101 crushes and absorbs energy, effective support can be carried out through the reinforcement area 102 to maintain the connection stability of the inner panel 400 of the front longitudinal beam. When there are multiple reinforcements connected to the plate body 110, according to the actual installation requirements, the inner panel 400 of the front longitudinal beam can correspond to one or more reinforcements. That is to say, one or more reinforcements can be connected to the side of the plate body 110 opposite to the inner panel 400 of the front longitudinal beam, and the multiple reinforcements can further improve the strength of the connection position between the inner panel 400 of the front longitudinal beam and the plate body 110.
[0047] In some embodiments, a second reinforcement cavity 410 is formed between the inner panel 400 of the front longitudinal beam and the plate body 110. The second reinforcement cavity 410 is opposite to at least one reinforcement in the A-pillar inner panel assembly. The second reinforcement cavity 410 can further enhance the strength of the connection position between the inner panel 400 of the front longitudinal beam and the plate body 110 and improve the anti-deformation ability.
[0048] Reference Figure 7 and Figure 8, in some embodiments, the inner front longitudinal beam 400 is connected to the side of the plate body 110 facing away from the first bracket 310. Thus, the second reinforcing member 300 and the inner front longitudinal beam 400 are correspondingly connected to the left and right sides of the plate body 110 of the A-pillar inner panel 100. Connecting flanges 420 extending in the Z-direction are provided on both sides of the inner front longitudinal beam 400 in the up-and-down direction. The connecting flanges 420 of the inner front longitudinal beam 400 and the first mounting portions 315 of the second reinforcing member 300 are correspondingly connected to both sides of the plate body 110 of the A-pillar inner panel 100 in the thickness direction (i.e., the left-and-right direction). The three layers of the first mounting portions 315, the plate body 110, and the connecting flanges 420 are correspondingly connected, which can effectively improve the connection strength and can be realized by screwing or welding. Further, at least a part of the inner front longitudinal beam 400 and the second reinforcing portion 318 of the second reinforcing member 300 are relatively connected to the left and right sides of the reinforcing area 102 of the plate body 110 in the Y-direction. A first reinforcing cavity 319 is formed between the second reinforcing portion 318 and the plate body 110. A cavity is formed on the side of the inner front longitudinal beam 400 facing the plate body 110 of the A-pillar inner panel 100. A second reinforcing cavity 410 opposite to the first reinforcing cavity 319 is formed between the inner front longitudinal beam 400 and the plate body 110, further increasing the strength of the reinforcing area 102 of the plate body 110 and improving the anti-deformation ability.
[0049] Reference Figure 4 and Figure 6 , in some embodiments, the first bracket 310 further includes a second mounting portion 316. The second mounting portions 316 are respectively connected to the front and rear ends of the wall body 314. The wall body 314 is connected to the first support wall 120 and the third support wall 140 of the A-pillar inner panel 100 through the second mounting portions 316. The second mounting portions 316 extend in the up-and-down direction relative to the wall body 314 to form a flanging structure. The flanging directions of the second mounting portions 316 of the two wall bodies 314 are opposite. The second mounting portions 316 are adapted to be screwed to the first support wall 120 and the third support wall 140 or are adapted to be welded to the wall surfaces of the first support wall 120 and the third support wall 140, which can facilitate the connection, ensure the stability of the connection between the second mounting portions 316 and the first support wall 120 and the third support wall 140, and ensure the effective transmission of the collision force at the moment of collision. Using the welding method can also reduce the number of parts, which is beneficial to the lightweight design of the A-pillar inner panel 100 while ensuring the structural strength.
[0050] Reference Figure 4 and Figure 6, in some embodiments, the second reinforcing member 300 further includes a second bracket 320. The second bracket 320 is located in the reinforcing area 102 and within the first reinforcing cavity 319. The second bracket 320 is connected to the first bracket 310 and the plate body 110. Therefore, the second bracket 320 can further strengthen the strength of the second reinforcing member 300 in the reinforcing area 102, improve the supporting performance, and while the second weakened part 317 of the second reinforcing member 300 crushes and absorbs energy in the crushing area 101, it can improve the anti-deformation ability of the second reinforcing part 318 at the rear end, and further reduce the deformation amount when impacted by a collision. When a collision occurs, while the inner panel 100 of the A-pillar undergoes stress deformation, it also transmits the collision force to the first bracket 310 and the second bracket 320 of the second reinforcing member 300. Support in the up-down, left-right, and front-back directions is achieved through the first bracket 310 and the second bracket 320 to resist deformation in multiple directions. At the same time, the front weakened part of the first bracket 310 fully crushes and absorbs energy, thereby reducing the deformation amount of the inner panel 100 of the A-pillar, which is beneficial to reducing the intrusion amount of the passenger compartment and improving safety.
[0051] Reference Figure 6 , in some embodiments, the second bracket 320 includes a support portion 321. Among them, the support portion 321 is located between the wall bodies 314 of the first bracket 310 that are spaced apart in the up-down direction. The upper and lower ends of the support portion 321 are respectively connected to the corresponding wall bodies 314. Thus, the second bracket 320 can increase the support for the wall bodies 314 in the up-down direction through the support portion 321, and while improving the stiffness and strength of the first bracket 310, it can effectively inhibit rebound. Thereby, the combination of the second bracket 320 and the first bracket 310 improves the stiffness and strength of the second reinforcing member 300 in the reinforcing area 102 and enhances the anti-deformation ability.
[0052] Reference Figure 6 , in some embodiments, the second bracket 320 may further include a first connecting portion 322 and a second connecting portion 323. The first connecting portion 322 and the second connecting portion 323 are respectively connected to the left and right ends of the support portion 321. The first connecting portion 322 is connected to the main body 311 of the first bracket 310, and the second connecting portion 323 is connected to the plate body 110 of the inner panel 100 of the A-pillar. Thus, it can increase the support for the plate body 110 in the left-right direction, realize the transmission of force to the main body 311 of the first bracket 310, and further improve the stiffness, strength, and anti-deformation ability of the second reinforcing member 300 in the reinforcing area 102 in the left-right direction. The second bracket 320 may further include a third connecting portion 324. The upper and lower ends of the support portion 321 are respectively connected to the third connecting portion 324, and the support portion 321 is connected to the corresponding wall body 314 on the first bracket 310 through the third connecting portion 324. Realize the transmission of force to the wall body 314 of the first bracket 310, and further improve the stiffness, strength, and anti-deformation ability of the second reinforcing member 300 in the reinforcing area 102 in the up-down direction.
[0053] Reference Figure 2 , in the inner panel assembly of the A-pillar in some embodiments, the width of the crushing zone 101 in the front-rear direction is less than the width of the strengthening zone 102 in the front-rear direction, so that the inner panel assembly of the A-pillar has a strengthening zone 102 with sufficient width for arranging strengthening members, avoiding that the overall strength distribution of the inner panel assembly of the A-pillar is too weak due to the over-large crushing zone 101, thereby ensuring the support performance while absorbing energy through the crushing zone 101 and reducing the intrusion amount into the occupant compartment.
[0054] Reference Figure 2 , in some embodiments, the ratio range of the width of the crushing zone 101 in the front-rear direction to the width of the strengthening zone 102 in the front-rear direction is 1:3 to 1:2. That is to say, taking the aforementioned demarcation line 103 as a reference, taking the foremost point of the front contour edge of the plate body 110 of the inner panel 100 of the A-pillar as a reference point, the distance from this foremost point to the demarcation line 103 is D1, which is recorded as the width of the crushing zone 101 in the front-rear direction; taking the rearmost point of the rear contour edge of the plate body 110 of the inner panel 100 of the A-pillar as a reference point, the distance from this rearmost point to the demarcation line 103 is D2, which is recorded as the width of the strengthening zone 102 in the front-rear direction. Among them, the range of D1:D2 is 1:3 to 1:2, for example, it can be 1:3, 2:5, 1:2 or any other ratio between 1:3 and 1:2. Arranging the crushing zone 101 and the strengthening zone 102 within this ratio range is beneficial for arranging strengthening members and the weakening zones of the strengthening members on the inner panel 100 of the A-pillar, which can ensure that the strengthening zone 102 is far enough forward to ensure the support effect, and avoid that the strengthening zone 102 is too far forward to weaken the crushing energy absorption effect of the crushing zone 101, and the strength distribution is relatively reasonable, making the energy absorption and support effects of the structure of the inner panel assembly of the A-pillar more efficient, thereby ensuring the reduction of the intrusion amount and energy impact and improving the safety.
[0055] Reference Figure 2 , the A-pillar assembly of the embodiment of the present application includes the inner panel assembly of the A-pillar in the above first aspect, which improves the anti-deformation ability of the inner panel assembly of the A-pillar and effectively disperses the collision through the crushing zone 101, thereby enhancing the energy absorption effect and support performance of the A-pillar assembly, and thus reducing the intrusion amount into the occupant compartment during a collision.
[0056] Reference Figure 2 、 Figure 9 and Figure 10, in some embodiments, the A-pillar assembly further includes a mounting bracket 500 for mounting the instrument panel cross beam, also known as the CCB (i.e., Car Cross Beam). The mounting bracket 500 is located in the strengthening area 102 and on the side of the A-pillar inner panel 100 facing away from the strengthening member. The mounting bracket 500 can be relatively connected to the left and right sides of the plate body 110 with one of the strengthening members. The strengthening member can enhance the strength of the connection position between the mounting bracket 500 and the plate body 110. For example, the mounting bracket 500 is located in the strengthening area 102 and on the side of the A-pillar inner panel 100 facing away from the first strengthening member 200. The first strengthening member 200, the A-pillar inner panel 100, and the mounting bracket 500 are fixedly connected, effectively enhancing the stability of the A-pillar inner panel 100 and the mounting bracket 500, and further enhancing the mounting stability of the instrument panel cross beam. Therefore, the first strengthening member 200 can simultaneously meet the strengthening of the A-pillar inner panel 100 and the stiffness improvement of the mounting position of the mounting bracket 500. On this basis, the material thickness of the mounting bracket 500 can be appropriately reduced while ensuring the connection stability of the mounting bracket 500, which is beneficial to achieving lightweight.
[0057] Reference Figure 5 、 Figure 9 and Figure 10 , in some embodiments, a concave cavity is formed on the side of the first strengthening member 200 facing the plate body 110, so that a third strengthening cavity 230 is formed by enclosing between the first strengthening member 200 and the plate body 110. A front side flanging 211 is provided on the front side of the first weakening portion 210 of the first strengthening member 200. One or both sides of the first strengthening portion 220 in the up and down direction have fixing flangings 240, and a rear side flanging 250 is provided on the rear side of the first strengthening portion 220. The first strengthening member 200 is connected to the plate body 110 of the A-pillar inner panel 100 through the front side flanging 211, the fixing flangings 240, and the rear side flanging 250, and stable connection can be achieved by screwing or welding. The third strengthening cavity 230 formed between the first strengthening member 200 and the plate body 110 after connection can effectively resist deformation and further enhance the anti-deformation ability of the A-pillar inner panel assembly.
[0058] Reference Figure 5 、 Figure 9 and Figure 10, in some embodiments, the mounting bracket 500 may include a bracket body 510 and flanging portions 520 connected to the front and rear sides of the bracket body 510. A concave cavity is formed on the side of the bracket body 510 facing the inner panel 100 of the A-pillar. The plate body 110 of the inner panel 100 of the A-pillar is connected through the flanging portion 520. Therefore, a fourth reinforcing cavity 530 is formed by enclosing between the bracket body 510 and the plate body 110 of the inner panel 100 of the A-pillar. The fourth reinforcing cavity 530 is opposite to the third reinforcing cavity 230, and they form a reinforcing structure with each other, ensuring the anti-deformation ability and connection stability of the first reinforcing member 200 and the mounting bracket 500. The mounting bracket 500 being provided in the reinforcing area 102 can also effectively reduce the deformation amount and ensure the mounting stability of the instrument panel crossbeam. Further, the extension portion 221 of the first reinforcing member 200, the plate body 110 of the inner panel 100 of the A-pillar, and the flanging portion 520 on the front side of the bracket body 510 of the mounting bracket 500 are correspondingly connected in three layers. The rear-side flanging 250 of the first reinforcing member 200, the plate body 110 of the inner panel 100 of the A-pillar, and the flanging portion 520 on the rear side of the bracket body 510 of the mounting bracket 500 are correspondingly connected in three layers. The three-layer connection can be achieved by screwing or welding, which can effectively improve the connection strength and stability.
[0059] An embodiment of the present application also provides a vehicle, including the A-pillar assembly of the above embodiment. Through the inner panel 100 of the A-pillar and the reinforcing member of the A-pillar inner panel assembly, the intrusion amount of the passenger compartment can be effectively reduced, the life safety of the passengers can be protected, and the vehicle safety can be improved.
[0060] The vehicle involved in the embodiment of the present application can be a private car, such as a sedan, an SUV, an MPV or a pickup truck, etc. The vehicle can also be an operating vehicle, such as a minibus, a bus, a light truck or a large trailer, etc. The vehicle can be an oil vehicle or a new energy vehicle. When the vehicle is a new energy vehicle, it can be a hybrid vehicle or a pure electric vehicle.
[0061] As an example, the embodiment of the present application can be applied to a hybrid vehicle model. The vehicle weight of a hybrid vehicle model is relatively large, the collision energy is relatively large, and the requirements for small overlap frontal collisions are relatively high. If the collision strategy is not designed properly, it will cause an increase in vehicle weight and high development costs. The A-pillar inner panel assembly of the embodiment of the present application forms a strength distribution method with a weak front and a strong rear by reasonably arranging the crush zone 101 and the reinforcing zone 102, and then configuring the corresponding reinforcing members. It has a high energy absorption efficiency and good support performance, which is more conducive to the vehicle to cope with small overlap frontal collisions, thus meeting the requirements of small overlap frontal collision tests.
[0062] The above has described the embodiments of the present application in detail with reference to the drawings. However, the present application is not limited to the above embodiments. Various changes can be made without departing from the purpose of the present application within the knowledge scope of those of ordinary skill in the art. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
Claims
1. A-pillar inner panel assembly, characterized in that: include: An A-pillar inner panel, comprising a panel body, a first supporting wall and a second supporting wall, the panel body having a crushing area and a reinforcement area adjacently arranged from front to rear, the first supporting wall being connected to the front side of the panel body, the second supporting wall being connected to the lower side of the panel body, the first supporting wall and the second supporting wall being bent relative to the panel body, a connecting arc being formed at the connection between the panel body, the first supporting wall and the second supporting wall, and a boundary line between the crushing area and the reinforcement area extending in the up-down direction and passing through the front end of the connecting arc; A plurality of reinforcing members, at least one of which comprises a weakening portion and a reinforcing portion connected front and rear, the reinforcing portion is located in the reinforcing area and connected to the plate body, and the weakening portion is at least partially located in the crushing area and connected to the plate body.
2. The A-pillar inner panel assembly according to claim 1, characterized in that: The plurality of reinforcement members include at least one of a first reinforcement member and a second reinforcement member, wherein: The first reinforcement member is a reinforcement plate structure, and the area of the weakened portion is smaller than the area of the reinforcement portion; The second reinforcement member includes a first bracket, which is connected to the plate body and forms a first reinforcement cavity between the first bracket and the plate body. The first bracket includes the weakening part and the reinforcing part connected front and back. The weakening part is provided with a notch, and the rear edge of the notch is flush with the dividing line or located on the rear side of the dividing line.
3. The A-pillar inner panel assembly according to claim 2, characterized in that: The second reinforcement member further includes a second bracket, the second bracket is located in the reinforcement area and in the first reinforcement cavity, and the second bracket is connected to the first bracket and the plate body.
4. The A-pillar inner panel assembly according to claim 2, characterized in that: The reinforcement member includes the first reinforcement member and the second reinforcement member, and the first reinforcement member is disposed above the second reinforcement member at an interval.
5. The A-pillar inner panel assembly according to claim 1, characterized in that: Along the front-to-back direction, the width of the crushing zone is smaller than the width of the reinforcement zone.
6. The A-pillar inner panel assembly according to claim 1, characterized in that: The A-pillar inner panel also includes a third support wall, which is connected to the rear side of the plate body. The third support wall and the first support wall are bent toward the same side of the plate body, and the third support wall, the first support wall and the plate body together form a concave cavity structure.
7. A-pillar assembly, characterized in that: The invention comprises the A-pillar inner panel assembly according to any one of claims 1 to 6.
8. The A-pillar assembly according to claim 7, characterized in that: The A-pillar assembly also includes a mounting frame, which is located in the reinforcement area and connected to a side of the plate body facing away from the reinforcement member.
9. A vehicle, characterized in that Comprising the A-pillar assembly as described in claim 7 or 8.
10. The vehicle according to claim 9, characterized in that The vehicle further comprises a front longitudinal beam inner plate connected to a side of the plate body facing away from the reinforcement, a second reinforcement cavity is formed between the front longitudinal beam inner plate and the plate body, and the second reinforcement cavity is opposite to at least one of the reinforcements.