A pillar reinforcement assembly, vehicle body frame and vehicle

Abstract

The utility model discloses a kind of A column upper reinforcement assembly, vehicle body frame and vehicle, A column upper reinforcement assembly includes hot gas expansion pipe, the hot gas expansion pipe includes pipe beam and single flange edge, the pipe beam with the single flange edge is integrally formed structure, the single flange edge is located the radial outside of the pipe beam, the single flange edge extends along the pipe beam length direction;Wherein, the single flange edge is used for directly connecting side wall outer plate.The A column upper reinforcement assembly, vehicle body frame and vehicle of the utility model can reduce the number of parts, reduce A column obstacle angle and driver's visual field blind area, while reducing its weight.

Description

Technical Field

[0001] This utility model relates to the field of vehicle technology, and in particular to an A-pillar reinforcement assembly, a vehicle body frame, and a vehicle. Background Technology

[0002] As vehicle weight increases and collision safety standards continue to rise, the challenges to vehicle collision safety are also growing. The A-pillar reinforcement assembly is a crucial component of the vehicle body structure and plays a vital role in a collision. During a collision, the A-pillar reinforcement assembly must not bend and must resist deformation to ensure the survival space of the passenger compartment. Therefore, the A-pillar reinforcement assembly needs to be strengthened during its design.

[0003] In related technologies, common A-pillar reinforcement assemblies include the following types; Please refer to Figure 1 The A-pillar reinforcement assembly includes an A-pillar reinforcement plate 01, a first patch plate 02, an A-pillar inner plate 03, and a second patch plate 04. The first patch plate 02 is connected to the side of the A-pillar reinforcement plate 01 facing the A-pillar inner plate 03, and the second patch plate 04 is connected to the side of the A-pillar inner plate 03 facing the A-pillar reinforcement plate 01. The A-pillar reinforcement plate 01 is connected to the A-pillar inner plate 03.

[0004] Please refer to Figure 2 The A-pillar reinforcement assembly includes an A-pillar reinforcement plate 01, a tube body 05, and an A-pillar inner plate 03. The A-pillar reinforcement plate 01 is connected to the tube body 05, and the A-pillar reinforcement plate 01 is also connected to the A-pillar inner plate 03.

[0005] The aforementioned A-pillar reinforcement assemblies are all relatively complex in structure, with many parts, resulting in a large weight, which is not conducive to the requirements of vehicle body lightweighting. In addition, their large cross-sectional area leads to an increase in the A-pillar obstruction angle, which increases the driver's blind spot and affects driving safety. Utility Model Content

[0006] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an A-pillar reinforcement assembly that can reduce the number of parts, reduce the A-pillar obstruction angle and the driver's blind spot, while also reducing its own weight.

[0007] This utility model also proposes a vehicle frame having the above-mentioned A-pillar upper reinforcement assembly.

[0008] This utility model also proposes a vehicle having the above-mentioned vehicle body frame.

[0009] According to a first aspect of the present invention, an A-pillar reinforcement assembly includes a hot gas expansion tube, the hot gas expansion tube including a tube beam and a single flange edge, the tube beam and the single flange edge being an integrally formed structure, the single flange edge being located on the radially outer side of the tube beam, and the single flange edge extending along the length direction of the tube beam; wherein, the single flange edge is used to directly connect to the side panel.

[0010] The A-pillar reinforcement assembly according to the embodiment of this utility model has at least the following beneficial effects: The hot-puff expansion tube completely replaces the A-pillar upper reinforcement plate, the A-pillar upper inner plate, and the patch plate, or the reinforcement tube housed between the cavity formed by the A-pillar upper reinforcement plate and the A-pillar upper inner plate, effectively reducing the number of parts. Furthermore, the one-piece molded tube beam and single flange eliminate the stress concentration hazards caused by welding, resulting in strong bending and torsional resistance. While maintaining the same structural performance (i.e., the same structural strength and collision performance), compared to the existing A-pillar upper reinforcement assembly composed of the A-pillar upper reinforcement plate and the A-pillar upper inner plate, the cross-sectional area of ​​the A-pillar upper reinforcement assembly in this application can be further reduced by 15%-20% from the existing 700-850mm² cross-sectional area, thereby reducing the A-pillar obstruction angle and the driver's blind spot.

[0011] According to some embodiments of the present invention, the single flange includes a first side and a second side that fit together. One end of the first side is integrally formed and connected to one end of the pipe beam in the circumferential direction. One end of the second side is integrally formed and connected to the other end of the pipe beam in the circumferential direction. The other end of the first side and the other end of the second side are interconnected and integrally formed.

[0012] According to some embodiments of this utility model, one end of the single flange is connected to one end of the pipe beam in the circumferential direction and integrally formed, and the other end of the pipe beam in the circumferential direction is welded to the connection between the single flange and the pipe beam.

[0013] According to some embodiments of the present invention, the A-pillar reinforcement assembly further includes a first connecting plate, which is separately formed from the tube beam, and the tube beam is connected to the side outer panel through the first connecting plate.

[0014] According to some embodiments of the present invention, the single flange edge is used to install a sealing strip, the first connecting plate is located on the side of the pipe beam opposite to the single flange edge, and the first connecting plate is used to connect the roof assembly; or, The single flange is used to connect the roof assembly, and the first connecting plate is located on the side of the tube beam opposite to the single flange. The first connecting plate is used to install the sealing strip.

[0015] According to some embodiments of the present invention, when the first connecting plate is used to connect the roof assembly, the first connecting plate includes a first part, a second part and a third part connected in sequence. The first part is directly connected to the tube beam, the second part is directly connected to the side panel, and the third part is directly connected to the roof assembly.

[0016] According to some embodiments of the present invention, the A-pillar reinforcement assembly further includes a second connecting plate, one end of which is directly connected to the tube beam, and the other end of which is directly connected to the roof assembly.

[0017] According to some embodiments of the present invention, the circumference variation rate of the tube beam along the length direction of the hot gas expansion tube is no greater than 8%.

[0018] According to some embodiments of the present invention, along the length and / or circumferential direction of the hot gas expansion tube, the wall thickness of a portion of the hot gas expansion tube is not equal to that of other portions; or, The wall thickness of the hot gas expansion tube is equal along its length and / or circumferential direction.

[0019] According to a second aspect embodiment of the present invention, the vehicle frame includes a side outer panel and a side reinforcement assembly, wherein the side reinforcement assembly is distributed on the inner side of the side outer panel, and the side reinforcement assembly includes the A-pillar upper reinforcement assembly, the A-pillar lower reinforcement assembly, the B-pillar reinforcement assembly, the C-pillar reinforcement assembly, and the sill reinforcement assembly; The upper A-pillar reinforcement assembly, the lower A-pillar reinforcement assembly, the B-pillar reinforcement assembly, and the sill reinforcement assembly surround the front door ring reinforcement assembly. The C-pillar reinforcement assembly is located on the side of the B-pillar reinforcement assembly away from the lower A-pillar reinforcement assembly and connects the upper A-pillar reinforcement assembly and the sill reinforcement assembly.

[0020] According to some embodiments of the present invention, the side panel includes a first connecting part, an outer plate, and a second connecting part connected in sequence. The first connecting part, the outer plate, and the second connecting part form a receiving groove. The pipe beam is at least partially disposed in the receiving groove, and the side wall of the pipe beam is directly or indirectly connected to the first connecting part.

[0021] The vehicle according to a third aspect of the present invention includes the body frame described in the above embodiments.

[0022] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 This is a schematic diagram of the A-pillar reinforcement assembly in the background technology. Figure 2 This is a schematic diagram of another A-pillar reinforcement assembly in the background technology; Figure 3 This is a schematic diagram of the A-pillar reinforcement assembly according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of the cross-section of the A-pillar reinforcement assembly according to an embodiment of the present invention. Figure 1 ; Figure 5 This is a schematic diagram of the cross-section of the A-pillar reinforcement assembly according to an embodiment of the present invention. Figure 2 ; Figure 6 This is a schematic diagram of the cross-section of the A-pillar reinforcement assembly according to an embodiment of the present invention. Figure 3 ; Figure 7 This is a schematic diagram of the side reinforcement assembly according to an embodiment of the present utility model.

[0024] Figure label: 01. A-pillar reinforcement plate; 02. First patch plate; 03. A-pillar inner plate; 04. Second patch plate; 05. Pipe body; 100. Hot gas expansion tube; 110. Tube beam; 111. First connecting plane; 112. Second connecting plane; 120. Flange edge; 121. First dividing edge; 122. Second dividing edge; 200. First connecting plate; 210. First part; 220. Second part; 230. Third part; 300. Second connecting plate; 10. Side panel; 101. First connecting part; 102. Outer panel; 103. Second connecting part; 20. Roof assembly; 30. Upper A-pillar reinforcement assembly; 40. Lower A-pillar reinforcement assembly; 50. B-pillar reinforcement assembly; 60. Door sill reinforcement assembly. Detailed Implementation

[0025] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0027] In the description of the embodiments of this application, the technical terms "first," "second," "third," etc., are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0028] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0029] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects are in an "or" relationship.

[0030] In the description of the embodiments of this application, the technical terms "top", "bottom", "upper", "lower", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed, operated or used in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0031] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0032] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical term "contact" should be interpreted broadly, and can be direct contact, contact through an intermediate medium layer, contact between two contacting parties with substantially no interaction force, or contact between two contacting parties with interaction force.

[0033] Please refer to Figures 3-7 This application provides an A-pillar reinforcement assembly 30, please refer to... Figure 3 The A-pillar reinforcement assembly 30 includes a hot gas expansion tube 100. The hot gas expansion tube 100 is a tube formed using a hot gas expansion process, possessing relatively high strength. Specifically, its forming process involves using high-pressure gas within a mold to expand a heated metal tube.

[0034] Please refer to Figure 4 The hot gas expansion tube 100 includes a tube beam 110 and a single flange edge 120, which are integrally formed. The tube beam 110 is a hollow structure, and the single flange edge 120 is located radially outside the tube beam 110. The single flange edge 120 refers to the flange edge on any cross-section of the tube beam 110, and there is only one flange edge. The single flange edge 120 extends along the length direction of the tube beam 110. For example, the two end faces of the single flange edge 120 along its length direction are flush with the two end faces of the tube beam 110 along its length direction. In this example, the single flange edge 120 and the tube beam 110 are of equal length.

[0035] The single flange edge 120 is used to directly connect to the side outer panel 10, which is an external covering panel on the side of the vehicle body. Specifically, the single flange edge 120 can be welded to the side outer panel 10, thereby enabling direct force transmission between the two.

[0036] Compared to the common A-pillar reinforcement assembly 30 structure, this design eliminates the need for additional internal supports. Instead, the single flange 120 of the hot air expansion tube 100 directly connects to the outer side panel 10. The hot air expansion tube essentially replaces the A-pillar reinforcement plate, the inner A-pillar panel, and the patch plate, or the reinforcement tube housed within the cavity formed by the A-pillar reinforcement plate and the inner A-pillar panel, effectively reducing the number of components. Furthermore, the integrally formed tube beam 110 and single flange 120 eliminate the stress concentration risks associated with welding, resulting in strong bending and torsional resistance. While maintaining the same structural performance (i.e., the same structural strength and collision performance), compared to the existing A-pillar reinforcement assembly composed of the A-pillar reinforcement plate and the inner A-pillar panel, the cross-sectional area of ​​this A-pillar reinforcement assembly can be further reduced by 15%-20% from the existing 700-850 mm² cross-sectional area, thereby reducing the A-pillar obstruction angle and the driver's blind spot.

[0037] Among them, the tensile strength of the above-mentioned hot gas expansion tube 100 can reach 1500-2000MPa.

[0038] For the structure of the hot gas expansion tube 100, please refer to some embodiments. Figure 5 The single flange 120 includes a first side 121 and a second side 122 that fit together. One end of the first side 121 is integrally formed and connected to one end of the pipe beam 110 in the circumferential direction. One end of the second side 122 is integrally formed and connected to the other end of the pipe beam 110 in the circumferential direction. The opposite ends of the first side 121 and the opposite ends of the second side 122 are interconnected and integrally formed.

[0039] This structure can be fabricated using a thermal expansion process. Specifically, after pretreatment, the tubing is placed in a mold and high-pressure gas is introduced for thermal expansion. The tubing expands under gas pressure, fitting snugly against the inner wall of the mold cavity, directly forming the single flange edge 120 and the pipe beam 110 without welding, thus improving the quality of the formed structure. Furthermore, the double-layer structure, where the first side edge 121 and the second side edge 122 are bonded together, doubles the effective thickness of the single flange edge 120, significantly improving its bending resistance compared to a single-layer single flange edge 120. In a side collision, the single flange edge 120 can withstand greater impact force without tearing, thus largely preventing a decrease in the overall load-bearing capacity of the A-pillar due to connection failure.

[0040] For example, the tubing is obtained through a tubing manufacturing process. The obtained tubing undergoes a bending process to process the straight tubing into an arc-shaped structure that matches the A-pillar reinforcement assembly 30, in order to meet the spatial layout requirements of the vehicle body assembly. Then, through a pre-forming process, the bent tubing undergoes local stamping deformation to obtain a semi-finished product. The semi-finished product undergoes a hot air expansion process, and after laser edge cutting and hole cutting processes and sandblasting processes, the finished product, namely the hot air expansion tube 100, is obtained.

[0041] In some embodiments, the hot gas expansion tube 100 is made of seamless steel pipe, which has no weld seams and therefore higher strength. In other embodiments, to reduce costs, the hot gas expansion tube 100 is made of ordinary steel pipe with weld seams. The weld seams are distributed on the pipe beam 110 and are located away from the single flange edge 120 and the first connecting plate 200. The first connecting plate 200 connects the pipe beam 110 and the outer side plate 10, thereby indirectly transmitting force between the pipe beam 110 and the outer side plate 10. The ordinary steel pipe with weld seams is made of carbon structural steel plate or coated plate.

[0042] In other embodiments, please refer to Figure 4 One end of the single flange 120 is connected to one end of the pipe beam 110 in the circumferential direction and is integrally formed. The other end of the pipe beam 110 is welded to the connection between the single flange 120 and the pipe beam 110.

[0043] Thus, during the manufacturing process, the hot gas expansion tube 100 can be formed by winding a single sheet to create the basic structure of a single flange 120 and a tube beam 110. Then, one circumferential end of the tube beam 110 is welded to the connection between the single flange 120 and the tube beam 110, resulting in a tube with a single flange 120. After pretreatment, the tube is placed in a mold and hot gas is introduced for expansion, causing the tube to expand under gas pressure and conform to the inner wall of the mold cavity. After laser cutting and sandblasting, the hot gas expansion tube 100 is formed. Because the single flange 120 and the tube beam 110 are integrally formed, they can withstand greater impact forces without tearing during side collisions of the vehicle body, improving reliability.

[0044] In some embodiments, the A-pillar reinforcement assembly also includes a first connecting plate 200, which is separately formed from the tube beam 110. The tube beam 110 is connected to the side outer panel 10 through the first connecting plate 200. Thus, the side outer panel 10 of the tube beam 110 has multiple connection areas, which allows the force to be distributed on the hot air expansion tube 100 when under stress, resulting in strong bending and torsional resistance.

[0045] In some embodiments, the single flange edge 120 is used to connect the roof assembly 20, and the first connecting plate 200 is located on the side of the tube beam 110 opposite to the single flange edge 120. The first connecting plate 200 is used to install the sealing strip. The roof assembly 20 is a structural component installed on the roof. When the roof has a sunroof, the roof assembly includes a sunroof mounting beam (in...). Figure 3 The structure designated as 20 is the mounting beam for the roof assembly. In this embodiment, a single flange 120 is connected to the top of the tube beam 110.

[0046] In other embodiments, please refer to Figure 4 The single flange edge 120 is used to install a sealing strip, and the first connecting plate 200 is located on the side of the tube beam 110 opposite to the single flange edge 120. The first connecting plate 200 is used to connect with the roof assembly 20. The sealing strip is used to cooperate with the door to seal the cabin when the door is closed. In this embodiment, the single flange edge 120 is connected to the bottom of the tube beam 110.

[0047] For ease of description, the following explanation uses a single flange edge 120 for installing a sealing strip as an example.

[0048] In some embodiments, please refer to Figure 5The first connecting plate 200 includes a first part 210, a second part 220, and a third part 230 connected sequentially. The first connecting plate 200 is a continuous plate structure. The first part 210 is directly connected to the tube beam 110, the second part 220 is directly connected to the side outer panel 10, and the third part 230 is directly connected to the roof assembly 20. By connecting the tube beam 110, the side outer panel 10, and the roof assembly 20 through the first connecting plate 200, the load of the three components is directly transferred to the first connecting plate 200 and then distributed to each component, avoiding the risk of structural cracking due to excessive local stress and improving structural stability.

[0049] In some embodiments, please refer to Figure 6 The A-pillar reinforcement assembly 30 also includes a second connecting plate 300. One end of the second connecting plate 300 is directly connected to the tubular beam 110, and the other end is directly connected to the roof assembly 20. In other words, the A-pillar reinforcement assembly 30 forms a multi-point support structure with the roof assembly 20 through the first and second connecting plates 200, thereby improving the connection strength and stability of the roof assembly 20 to the vehicle body. In the event of a collision, this multi-point support structure can effectively disperse the impact force, reduce local stress concentration, and improve the overall vehicle safety performance.

[0050] For example, the tube beam 110 has a first connecting plane 111 and a second connecting plane 112, which intersect at an angle. The first connecting plane 111 is welded to the first part 210 of the first connecting plate 200, and the second connecting plane 112 is welded to the second connecting plate 300. The first connecting plate 200 is bent, with the first part 210 distributed on one side of the bent area and the second part 220 distributed on the other side of the bent area. The second part 220 bends and extends in a direction away from the first connecting plane 111.

[0051] In some embodiments, the circumference variation rate of the tube beam 110 along the length direction of the hot gas expansion tube 100 is no greater than 8%.

[0052] The rate of change of the perimeter of tube beam 110 refers to the difference between the perimeter of the section with the longest perimeter and the perimeter of the section with the shortest perimeter, divided by the perimeter of the section with the shortest perimeter. This rate of change of the perimeter of tube beam 110 is mainly controlled by optimizing the hot gas expansion molding process. This ensures that the rate of change of the perimeter of tube beam 110 does not exceed 8%, minimizes the differences in mechanical properties among the various sections of tube beam 110, and improves process stability.

[0053] In some embodiments, the wall thickness of a portion of the hot gas expansion tube 100 is not equal to that of other regions along its length and / or circumference. For example, the hot gas expansion tube 100 may have a larger wall thickness in areas subject to greater stress (such as the connection points between the hot gas expansion tube 100 and other components) to enhance local structural strength; while in areas subject to less stress, the wall thickness may be appropriately reduced to reduce overall weight.

[0054] The variable thickness can be TRB (Tailored Rolled Blanks) unequal thickness or TWB (Tailored Welded Blanks) laser-welded plate. Specifically, in the forming process, the plate is rolled or laser-welded to obtain a plate with a variable wall thickness. The plate with a variable wall thickness is then wound and welded to obtain a pipe with a variable wall thickness. After multiple processes, the aforementioned hot gas expansion tube 100 with a variable wall thickness is obtained.

[0055] In other embodiments, the wall thickness of the hot gas expansion tube 100 is equal along its length, thereby reducing costs.

[0056] In some embodiments, the hot air expansion tube 100 includes a first section and a second section formed separately. The first section is used to directly connect to the side panel 10 and includes a first end and a second end arranged opposite to each other. The first end is used to connect to the A-pillar lower reinforcement assembly 40, and the first section is also used to connect to the B-pillar reinforcement assembly 50. The second section includes a third end and a fourth end arranged opposite to each other. The third end connects to the second end, and the fourth end connects to the C-pillar reinforcement assembly. The wall thickness of the first section is greater than that of the second section. It is understood that the first section needs to connect both the A-pillar lower reinforcement assembly 40 and the B-pillar reinforcement assembly 50, and is the main load-bearing component. The thicker wall thickness ensures that it meets the strength requirements. The second section mainly serves as a structural connector and is subjected to relatively less stress. The thinner wall thickness can reduce the amount of material used without affecting performance.

[0057] Please refer to Figure 7This application embodiment also provides a vehicle body frame, including a side outer panel 10 and a side reinforcement assembly. The side reinforcement assembly is distributed on the inner side of the side outer panel 10. The side reinforcement assembly includes an upper A-pillar reinforcement assembly 30, a lower A-pillar reinforcement assembly 40, a B-pillar reinforcement assembly 50, a C-pillar reinforcement assembly, and a sill reinforcement assembly 60. The upper A-pillar reinforcement assembly 30, the lower A-pillar reinforcement assembly 40, the B-pillar reinforcement assembly 50, and the sill reinforcement assembly 60 surround the front side door ring reinforcement assembly. The C-pillar reinforcement assembly is located on the side of the B-pillar reinforcement assembly 50 away from the lower A-pillar reinforcement assembly 40 and connects the upper A-pillar reinforcement assembly 30 and the sill reinforcement assembly 60. Furthermore, one end of the upper A-pillar reinforcement assembly 30 is connected to the lower A-pillar reinforcement assembly 40, and the other end is connected to the C-pillar reinforcement assembly. The B-pillar reinforcement assembly 50 is located between the lower A-pillar reinforcement assembly 40 and the C-pillar reinforcement assembly, and is connected to the upper A-pillar reinforcement assembly 30.

[0058] In some embodiments, the side panel 10 includes a first connecting portion 101, an outer panel 102, and a second connecting portion 103 connected in sequence. The first connecting portion 101, the outer panel 102, and the second connecting portion 103 form a receiving groove. A portion of the first connecting portion 101 constitutes the side wall of the receiving groove, a portion of the second connecting portion 103 constitutes the other side wall of the receiving groove, and the outer panel 102 constitutes the bottom wall of the receiving groove.

[0059] The tube beam 110 is at least partially disposed within the receiving groove, and the side wall of the tube beam 110 is directly or indirectly connected to the first connecting part 101. The side wall of the tube beam 110 may be directly or indirectly connected to the first connecting part 101.

[0060] Furthermore, in some embodiments, the vehicle frame also includes a structural adhesive layer that connects the tube beam 110 and the outer panel 102, thereby improving the reliability and structural strength of the connection between the hot air expansion tube 100 and the side outer panel 10, and also achieving sealing.

[0061] The structural adhesive layer is applied to the outer surface of the tube beam 110 and is located near the single flange edge 120 (which is used to install the sealing strip). During the assembly process, the structural adhesive is first applied to the preset position of the tube beam 110, and then the tube beam 110 of the A-pillar reinforcement assembly is aligned and assembled with the side outer panel 10, so that the structural adhesive fills the gap between the tube beam 110 and the side outer panel 10. After the structural adhesive cures, a stable structural adhesive layer is formed, realizing a tight connection between the tube beam 110 and the side outer panel 10.

[0062] This application also provides a vehicle, including a body frame. In the event of a collision, the A-pillar reinforcement assembly 30, the B-pillar reinforcement assembly 50, and the C-pillar reinforcement assembly can work together to effectively disperse and transfer collision energy, reduce cabin deformation, and protect the integrity of the cabin.

[0063] The above embodiments are merely illustrative of the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and all should be covered within the scope of the specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of protection.

Claims

1. An A-pillar reinforcement assembly, characterized in that, The device includes a hot gas expansion tube, which comprises a tube beam and a single flange edge. The tube beam and the single flange edge are integrally formed. The single flange edge is located on the radially outer side of the tube beam and extends along the length direction of the tube beam. The single flange edge is used to directly connect to the outer side panel.

2. The A-pillar reinforcement assembly according to claim 1, characterized in that, The single flange includes a first side and a second side that fit together. One end of the first side is integrally formed and connected to one end of the pipe beam in the circumferential direction. One end of the second side is integrally formed and connected to the other end of the pipe beam in the circumferential direction. The other ends of the first side and the other ends of the second side are interconnected and integrally formed.

3. The A-pillar reinforcement assembly according to claim 1, characterized in that, One end of the single flange is connected to one end of the pipe beam in the circumferential direction and integrally formed, while the other end of the pipe beam is welded to the connection between the single flange and the pipe beam.

4. The A-pillar reinforcement assembly according to claim 1, characterized in that, The A-pillar reinforcement assembly also includes a first connecting plate, which is separately formed from the tube beam, and the tube beam is connected to the side outer panel through the first connecting plate.

5. The A-pillar reinforcement assembly according to claim 4, characterized in that, The single flange edge is used to install a sealing strip, and the first connecting plate is located on the side of the pipe beam opposite to the single flange edge. The first connecting plate is used to connect the roof assembly. or, The single flange is used to connect the roof assembly, and the first connecting plate is located on the side of the tube beam opposite to the single flange. The first connecting plate is used to install the sealing strip.

6. The A-pillar reinforcement assembly according to claim 5, characterized in that, When the first connecting plate is used to connect the roof assembly, the first connecting plate includes a first part, a second part and a third part connected in sequence. The first part is directly connected to the tube beam, the second part is directly connected to the side panel, and the third part is directly connected to the roof assembly. And / or, The A-pillar reinforcement assembly also includes a second connecting plate, one end of which is directly connected to the tube beam, and the other end of which is directly connected to the roof assembly.

7. The A-pillar reinforcement assembly according to claim 1, characterized in that, Along the length of the hot gas expansion tube, the rate of change of the circumference of the tube beam is no greater than 8%.

8. The A-pillar reinforcement assembly according to claim 1, characterized in that, Along the length and / or circumference of the hot gas expansion tube, the wall thickness of a portion of the hot gas expansion tube is not equal to that of other portions; or, The wall thickness of the hot gas expansion tube is equal along its length and / or circumference.

9. A vehicle frame, characterized in that, The vehicle frame includes a side outer panel and a side reinforcement assembly, wherein the side reinforcement assembly is distributed on the inner side of the side outer panel, and the side reinforcement assembly includes the upper A-pillar reinforcement assembly, the lower A-pillar reinforcement assembly, the B-pillar reinforcement assembly, the C-pillar reinforcement assembly, and the sill reinforcement assembly as described in any one of claims 1-8. The upper A-pillar reinforcement assembly, the lower A-pillar reinforcement assembly, the B-pillar reinforcement assembly, and the sill reinforcement assembly surround the front door ring reinforcement assembly. The C-pillar reinforcement assembly is located on the side of the B-pillar reinforcement assembly away from the lower A-pillar reinforcement assembly and connects the upper A-pillar reinforcement assembly and the sill reinforcement assembly.

10. The vehicle frame according to claim 9, characterized in that, The side panel includes a first connecting part, an outer plate, and a second connecting part connected in sequence. The first connecting part, the outer plate, and the second connecting part form a receiving groove. The pipe beam is at least partially disposed in the receiving groove, and the side wall of the pipe beam is directly or indirectly connected to the first connecting part.

11. A vehicle, characterized in that, Includes the vehicle frame as described in any one of claims 9-10.

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