Automobile body structure and automobile
By installing reinforcements in the internal force transmission cavity of the vehicle body structure, the problem of being unfavorable for lightweight design at the upper end of the column structure is solved, the welding quality and production efficiency are improved, and the weight reduction and cost reduction effect is achieved.
Patent Information
- Application Number
- CN202421368125.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The upper end of the column structure in the existing body structure is not conducive to lightweight design, resulting in poor welding quality, increased weight, and is not conducive to weight reduction and cost reduction.
Design a body structure, including column structure, roof frame structure and reinforcement. By setting reinforcement in the internal force transmission cavity, it resists the stress at the upper end of the column structure, reduces the deformation of the door hinge and reduces sheet metal parts. Use of
On the premise of ensuring that the collision performance of the upper end of the column structure meets the standards, the welding quality and production efficiency are improved, and the weight reduction and cost reduction effect is achieved.
Smart Images
Figure CN222512262U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle body structures, in particular to a vehicle body structure and a car. Background Art
[0002] At present, in order to cope with the upgraded requirements of top pressure conditions, a large amount of high-strength steel or hot-type steel structure needs to be added to the upper end of the pillar structure in the body structure to ensure the rigidity and strength of the body structure, which leads to poor welding quality, increased weight, and is not conducive to lightweighting. Therefore, it is urgent to design a body structure that can improve the weldability and welding quality of the surrounding sheet metal while ensuring that the collision performance of the upper end of the pillar structure meets the standards, and at the same time can achieve the effect of reducing weight and cost. Utility Model Content
[0003] The utility model provides a vehicle body structure and a car, so as to solve the problem that the upper end of a pillar structure in the existing vehicle body structure is not conducive to lightweight design.
[0004] A vehicle body structure includes a pillar structure, a roof frame structure and a reinforcement member;
[0005] The upper end of the pillar structure is connected to the roof frame structure, and forms an internal force transmission cavity connecting the top of the pillar structure and the roof frame structure;
[0006] The reinforcement member is arranged in the internal force transmission cavity, the upper end of the reinforcement member is connected to the roof frame structure, and the lower end of the reinforcement member is connected to the pillar structure.
[0007] Preferably, the reinforcement member includes a first reinforcement portion arranged along the up-down direction of the vehicle and a second reinforcement portion extending from an upper end of the first reinforcement portion along the left-right direction of the vehicle;
[0008] The first reinforcement portion is located in the pillar structure, and the second reinforcement portion is located in the roof frame structure.
[0009] Preferably, the width of the first reinforcement portion is smaller than the width of the second reinforcement portion.
[0010] Preferably, the pillar structure includes a pillar reinforcement plate and a pillar inner plate arranged along the up-down direction of the vehicle;
[0011] The pillar reinforcement plate is arranged on the outer side of the pillar inner plate, and the pillar reinforcement plate and the pillar inner plate cooperate to form a first cavity arranged along the up-down direction of the vehicle;
[0012] The roof frame structure includes a side panel upper reinforcement plate and a roof inner panel arranged along the front-rear direction of the vehicle;
[0013] The side enclosure upper reinforcement plate is arranged on the outer side of the roof inner plate, and the side enclosure upper reinforcement plate and the roof inner plate cooperate to form a second cavity arranged along the left-right direction of the vehicle;
[0014] The lower end of the side enclosure upper reinforcement plate is connected to the upper end of the pillar reinforcement plate, and the lower end of the top cover inner plate is connected to the upper end of the pillar inner plate; the first cavity cooperates with the second cavity to form an internal force transmission cavity.
[0015] Preferably, the pillar reinforcement plate comprises a first reinforcement plate body arranged along the up-down direction of the vehicle, and a first overlap edge extending from the upper end of the first reinforcement plate body along the left-right direction of the vehicle, and the first reinforcement plate body and the first overlap edge cooperate with the pillar inner plate to form the first cavity;
[0016] The side upper reinforcement plate includes a second reinforcement plate body arranged along the front-rear direction of the vehicle, and a second overlap edge extending from the lower end of the second reinforcement plate body along the upper-lower direction of the vehicle, and the second reinforcement plate body and the second overlap edge cooperate with the top cover inner plate to form the second cavity;
[0017] The first overlapping edge overlaps the second overlapping edge.
[0018] Preferably, the first overlapping edge comprises a first overlapping section extending obliquely outward from the upper end of the first reinforcing plate body and a second overlapping section extending obliquely inward from the upper end of the first overlapping section;
[0019] The second overlapping edge includes a third overlapping section extending obliquely outward from the lower end of the second reinforcing plate body and a fourth overlapping section extending obliquely inward from the lower end of the third overlapping section;
[0020] The first overlapping section is in close contact with the fourth overlapping section, and the second overlapping section is in close contact with the third overlapping section.
[0021] Preferably, the vehicle body structure further comprises a connecting assembly, and the connecting assembly is used to fix the reinforcement member to the inner side wall of the internal force transmission cavity.
[0022] Preferably, the reinforcement is made of a composite material and a foamed structural adhesive by two-color injection molding.
[0023] Preferably, the composite material is a nylon-glass fiber composite material, and the foamed structural adhesive is an epoxy structural adhesive.
[0024] A car comprises the above-mentioned car body structure.
[0025] The vehicle body structure provided by the embodiment of the utility model includes a pillar structure, a roof frame structure and a reinforcement member; during installation, the upper end of the pillar structure is connected to the roof frame structure, and an internal force transmission cavity connecting the top of the pillar structure and the roof frame structure is formed, and then the reinforcement member is arranged in the internal force transmission cavity, specifically, the upper end of the reinforcement member is connected to the roof frame structure, and the lower end of the reinforcement member is connected to the pillar structure. Such arrangement of the reinforcement member can resist the force on the upper end of the pillar structure and reduce the deformation of the door hinge; and reduce the use of sheet metal parts at the upper end of the pillar structure, ensure the rigidity and strength of the vehicle body structure, make the collision performance of the upper end of the pillar structure meet the standards, improve the weldability and welding quality of the surrounding sheet metal, and at the same time can achieve the effect of reducing weight and reducing costs.
[0026] The vehicle body structure of this example is convenient for transmitting the force acting on the vehicle body structure by setting reinforcement members in the internal force transmission cavity, transmitting the force acting on the roof frame structure to the pillar structure and the door sill position, freeing up part of the pillar structure and the roof frame structure for energy absorption, protecting the top space of the pillar structure and the deformation of its hinge position under force; reasonably releasing the energy absorption area and protecting key positions can achieve weight reduction effects; using reinforcement members can avoid complex welding restrictions and improve production efficiency; reducing test risks and verification costs, and enhancing brand value and market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0028] Figure 1 is an exploded view of a vehicle body structure in one embodiment of the utility model;
[0029] Figure 2 It is a cross-sectional view of a vehicle body structure in one embodiment of the utility model.
[0030] Among them, 1. pillar structure; 11. pillar reinforcement plate; 111. first reinforcement plate body; 112. first overlapping edge; 1121. first overlapping section; 1122. second overlapping section; 12. pillar inner plate; 2. roof frame structure; 21. side wall upper reinforcement plate; 211. second reinforcement plate body; 212. second overlapping edge; 2121. third overlapping section; 2122. fourth overlapping section; 22. top cover inner plate; 3. reinforcement member; 31. first reinforcement part; 32. second reinforcement part. DETAILED DESCRIPTION
[0031] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0032] In the description of the present invention, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.
[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0034] The utility model embodiment provides a vehicle body structure, referring to Figure 1 The vehicle body structure includes a pillar structure 1, a roof frame structure 2 and a reinforcement 3; the upper end of the pillar structure 1 is connected to the roof frame structure 2, and an internal force transmission cavity connecting the top of the pillar structure 1 and the roof frame structure 2 is formed; the reinforcement 3 is arranged in the internal force transmission cavity, the upper end of the reinforcement 3 is connected to the roof frame structure 2, and the lower end of the reinforcement 3 is connected to the pillar structure 1.
[0035] As an example, the vehicle body structure includes a pillar structure 1, a roof frame structure 2 and a reinforcement 3; during installation, the upper end of the pillar structure 1 is connected to the roof frame structure 2, and an internal force transmission cavity connecting the top of the pillar structure 1 and the roof frame structure 2 is formed, and then the reinforcement 3 is arranged in the internal force transmission cavity, specifically the upper end of the reinforcement 3 is connected to the roof frame structure 2, and the lower end of the reinforcement 3 is connected to the pillar structure 1, so that the reinforcement 3 can resist the force on the upper end of the pillar structure 1 and reduce the deformation of the door hinge; and reduce the use of sheet metal parts on the upper end of the pillar structure 1, ensure the rigidity and strength of the vehicle body structure, make the upper end collision performance of the pillar structure 1 meet the standard, improve the weldability and welding quality of the surrounding sheet metal, and at the same time can achieve the effect of reducing weight and cost. Among them, the pillar structure 1 can be a B-pillar structure or an A-pillar structure.
[0036] The vehicle body structure of this example is convenient for transmitting the force applied to the vehicle body structure by setting a reinforcement member 3 in the internal force transmission cavity, transmitting the force applied to the roof frame structure 2 to the pillar structure 1 and the door sill position, and partially releasing the pillar structure 1 and the roof frame structure 2 for energy absorption, thereby protecting the top space of the pillar structure 1 and the deformation of its hinge position; reasonably releasing the energy absorption area and protecting key positions can achieve a weight reduction effect; using the reinforcement member 3 can avoid complex welding restrictions and improve production efficiency; reduce test risks and verification costs, and enhance brand value and market competitiveness.
[0037] In one embodiment, referring to Figure 1 The reinforcement 3 includes a first reinforcement portion 31 arranged along the up-down direction of the vehicle and a second reinforcement portion 32 extending from the upper end of the first reinforcement portion 31 along the left-right direction of the vehicle; the first reinforcement portion 31 is located in the pillar structure 1, and the second reinforcement portion 32 is located in the roof frame structure 2.
[0038] As an example, the reinforcement 3 includes a first reinforcement portion 31 and a second reinforcement portion 32; the first reinforcement portion 31 is arranged along the up-down direction of the vehicle, and the second reinforcement portion 32 extends from the upper end of the first reinforcement portion 31 along the left-right direction of the vehicle; the first reinforcement portion 31 is located in the pillar structure 1, and the second reinforcement portion 32 is located in the roof frame structure 2; the overall shape of the reinforcement 3 is arranged in this way to match the internal force transmission cavity, which can resist the force on the upper end of the pillar structure 1, facilitate the transmission of the force on the roof frame structure 2 to the pillar structure 1 and the door sill position, and vacate part of the area for energy absorption, thereby protecting the top space and the hinge position from force deformation.
[0039] In one embodiment, referring to Figure 1 , the width of the first reinforcing portion 31 is smaller than the width of the second reinforcing portion 32 .
[0040] As an example, the width of the first reinforcement portion 31 is smaller than the width of the second reinforcement portion 32. On the premise of adapting to the overall size of the pillar structure 1, the contact area between the reinforcement 3 and the roof frame structure 2 can be increased, and the use of sheet metal parts at the upper end of the pillar structure 1 can be reduced, thereby ensuring the rigidity and strength of the vehicle body structure, making the collision performance of the upper end of the pillar structure 1 meet the standards, and improving the weldability and welding quality of the surrounding sheet metal, while achieving the effect of reducing weight and reducing costs.
[0041] In one embodiment, referring to Figure 1 The pillar structure 1 includes a pillar reinforcement plate 11 and a pillar inner plate 12 arranged along the up-down direction of the vehicle; the pillar reinforcement plate 11 is arranged on the outer side of the pillar inner plate 12, and the pillar reinforcement plate 11 and the pillar inner plate 12 cooperate to form a first cavity arranged along the up-down direction of the vehicle; the roof frame structure 2 includes a side wall upper reinforcement plate 21 and a top cover inner plate 22 arranged along the front-rear direction of the vehicle; the side wall upper reinforcement plate 21 is arranged on the outer side of the top cover inner plate 22, and the side wall upper reinforcement plate 21 and the top cover inner plate 22 cooperate to form a second cavity arranged along the left-right direction of the vehicle; the lower end of the side wall upper reinforcement plate 21 is connected to the upper end of the pillar reinforcement plate 11, and the lower end of the top cover inner plate 22 is connected to the upper end of the pillar inner plate 12; the first cavity cooperates with the second cavity to form an internal force transmission cavity.
[0042] As an example, the pillar structure 1 includes a pillar reinforcement plate 11 and a pillar inner plate 12, and the pillar reinforcement plate 11 and the pillar inner plate 12 are arranged along the up-down direction of the vehicle. The pillar reinforcement plate 11 is set on the outer side of the pillar inner plate 12, and the pillar reinforcement plate 11 and the pillar inner plate 12 cooperate to form a first cavity arranged along the up-down direction of the vehicle. The force in the up-down direction of the vehicle can be effectively transmitted through the first cavity, which facilitates the force on the upper end of the pillar structure 1 to be transmitted downward to the door sill position, leaving part of the area empty for energy absorption, and protecting the top space and the hinge position from stress deformation.
[0043] As an example, the roof frame structure 2 includes a side wall reinforcement plate 21 and a top cover inner plate 22, which are arranged along the front and rear directions of the vehicle. The side wall reinforcement plate 21 is set on the outer side of the top cover inner plate 22, and the side wall reinforcement plate 21 and the top cover inner plate 22 cooperate to form a second cavity arranged along the left and right directions of the vehicle. The force in the left and right directions of the vehicle can be effectively transmitted through the second cavity, which facilitates the transmission of the force received by the roof frame structure 2 to the pillar structure 1. At the same time, the force received by the front end of the roof frame structure 2 can also be transmitted backwards, thereby improving the force transmission effect.
[0044] In this example, the lower end of the side wall upper reinforcement plate 21 is connected to the upper end of the pillar reinforcement plate 11, and the lower end of the top cover inner plate 22 is connected to the upper end of the pillar inner plate 12. The first cavity cooperates with the second cavity to form an internal force transmission cavity, wherein the first cavity is arranged along the up and down direction of the vehicle, and the second cavity is arranged along the left and right direction of the vehicle. The cooperation between the two makes the internal force transmission cavity L-shaped. The design of the L-shaped internal force transmission cavity is convenient for transmitting the force exerted on the vehicle body structure, and the force exerted on the roof frame structure 2 is transmitted to the pillar structure 1 and the door sill position. Part of the pillar structure 1 and the roof frame structure 2 absorb energy to protect the top space of the pillar structure 1 and the deformation of its hinge position; reasonably releasing the energy absorption area and protecting the key position can achieve the weight reduction effect.
[0045] In one embodiment, referring to Figure 2 The pillar reinforcement plate 11 includes a first reinforcement plate body 111 arranged along the up-down direction of the vehicle, and a first overlapping edge 112 extending from the upper end of the first reinforcement plate body 111 along the left-right direction of the vehicle. The first reinforcement plate body 111 and the first overlapping edge 112 cooperate with the pillar inner plate 12 to form a first cavity; the side upper reinforcement plate 21 includes a second reinforcement plate body 211 arranged along the front-rear direction of the vehicle, and a second overlapping edge 212 extending from the lower end of the second reinforcement plate body 211 along the up-down direction of the vehicle. The second reinforcement plate body 211 and the second overlapping edge 212 cooperate with the top cover inner plate 22 to form a second cavity; the first overlapping edge 112 overlaps the second overlapping edge 212.
[0046] As an example, the pillar reinforcement plate 11 includes a first reinforcement plate body 111 and a first overlapping edge 112; the first reinforcement plate body 111 is arranged along the up-down direction of the vehicle, and the first overlapping edge 112 is extended from the upper end of the first reinforcement plate body 111 along the left-right direction of the vehicle; the side upper reinforcement plate 21 includes a second reinforcement plate body 211 and a second overlapping edge 212; the second reinforcement plate body 211 is arranged along the front-rear direction of the vehicle, and the second overlapping edge 212 is extended from the lower end of the second reinforcement plate body 211 along the up-down direction of the vehicle; when installed, the first reinforcement plate body 111, the first overlapping edge 112 cooperate with the pillar inner plate 12 to form a first cavity, and the second reinforcement plate body 211, the first overlapping edge 112 The two overlapping edges 212 cooperate with the top cover inner panel 22 to form a second cavity, the first overlapping edge 112 overlaps the second overlapping edge 212, the lower end of the top cover inner panel 22 is connected to the upper end of the pillar inner panel 12, and the second reinforcing plate body 211 is connected to the top cover inner panel 22, so that the pillar structure 1 cooperates with the roof frame structure 2 to form an L-shaped internal force transmission cavity, which is convenient for transmitting the force exerted on the vehicle body structure, and the force exerted on the roof frame structure 2 is transmitted to the pillar structure 1 and the door sill position, and part of the area of the pillar structure 1 and the roof frame structure 2 is emptied for energy absorption, so as to protect the top space of the pillar structure 1 and the deformation of the hinge position thereof; reasonably releasing the energy absorption area and protecting the key position can achieve the weight reduction effect.
[0047] In one embodiment, referring to Figure 2 The first overlapping edge 112 includes a first overlapping section 1121 extending outwardly from the upper end of the first reinforcing plate body 111 and a second overlapping section 1122 extending inwardly from the upper end of the first overlapping section 1121; the second overlapping edge 212 includes a third overlapping section 2121 extending outwardly from the lower end of the second reinforcing plate body 211 and a fourth overlapping section 2122 extending inwardly from the lower end of the third overlapping section 2121; the first overlapping section 1121 and the fourth overlapping section 2122 are closely connected, and the second overlapping section 1122 and the third overlapping section 2121 are closely connected.
[0048] As an example, the first overlapping edge 112 includes a first overlapping section 1121 and a second overlapping section 1122; the first overlapping section 1121 is extended outwardly from the upper end of the first reinforcing plate body 111, and the second overlapping section 1122 is extended inwardly from the upper end of the first overlapping section 1121; the second overlapping edge 212 includes a third overlapping section 2121 and a fourth overlapping section 2122; the third overlapping section 2121 is extended outwardly from the lower end of the second reinforcing plate body 211, and the fourth overlapping section 2122 is extended inwardly from the lower end of the third overlapping section 2121; when installing, the first overlapping section 1121 is extended outwardly from the lower end of the second reinforcing plate body 211, and the fourth overlapping section 2122 is extended inwardly from the lower end of the third overlapping section 2121. 121 is fitted and connected with the fourth overlapping section 2122, the second overlapping section 1122 is fitted and connected with the third overlapping section 2121, and the lower end of the top cover inner panel 22 is connected with the upper end of the pillar inner panel 12. This arrangement allows the pillar structure 1 to cooperate with the roof frame structure 2 to form an L-shaped internal force transmission cavity, which is convenient for transmitting the force exerted on the vehicle body structure, and the force exerted on the roof frame structure 2 is transmitted to the pillar structure 1 and the door sill position, and part of the area of the pillar structure 1 and the roof frame structure 2 is emptied for energy absorption, thereby protecting the top space of the pillar structure 1 and the deformation of the hinge position thereof; reasonably releasing the energy absorption area and protecting the key position can achieve the weight reduction effect.
[0049] In one embodiment, referring to Figure 1 There are three solutions for installing the reinforcement 3. The first is to pre-install the reinforcement 3 on an inner wall of the internal force transmission cavity facing the inside of the vehicle, specifically pre-install the reinforcement 3 on the pillar inner plate 12 and the top cover inner plate 22; the second is to pre-install the reinforcement 3 on an inner wall of the internal force transmission cavity facing the outside of the vehicle, specifically pre-install the reinforcement 3 on the pillar reinforcement plate 11 and the side wall upper reinforcement plate 21; the third is to pre-install the reinforcement 3 on an inner wall of the internal force transmission cavity facing the inside of the vehicle and an inner wall of the internal force transmission cavity facing the outside of the vehicle, specifically pre-install one side of the reinforcement 3 on the pillar inner plate 12 and the top cover inner plate 22; the other side of the reinforcement 3 is pre-installed on the pillar reinforcement plate 11 and the side wall upper reinforcement plate 21.
[0050] In one embodiment, referring to Figure 1The vehicle body structure also includes a connecting assembly, which is used to fix the reinforcement 3 on the inner wall of the internal force transmission cavity.
[0051] As an example, the vehicle body structure further includes a connection assembly, which is used to fix the reinforcement member 3 on the inner side wall of the internal force transmission cavity to ensure a safer and more reliable installation of the reinforcement member 3. The connection assembly includes a welding member or a buckle, and the reinforcement member 3 is pre-installed on the inner side wall of the internal force transmission cavity by spot welding of the welding member or the reinforcement member 3 is pre-installed on the inner side wall of the internal force transmission cavity by buckles.
[0052] In one embodiment, referring to Figure 1 The reinforcement member 3 is formed by double-color injection molding of composite material and foam structural adhesive.
[0053] As an example, the reinforcement 3 is a composite material and a foamed structural adhesive double-color injection molding, foamed after painting and baking, and bonded to the sheet metal to form a high-rigidity, high-strength whole. This structure is flexible in design, reduces welding processes, reduces the cost of car body manufacturing, improves welding quality and accessibility, ensures force transmission efficiency, and improves collision performance. Taking advantage of the large degree of design freedom of the reinforcement 3 made of composite materials, a reasonable optimization design is carried out to transmit the force on the roof frame structure 2 to the pillar structure 1 and the door sill position, empty some areas for energy absorption, and protect the top space and hinge position from force deformation.
[0054] In one embodiment, the composite material is a nylon-glass fiber composite material, and the foamed structural adhesive is an epoxy structural adhesive.
[0055] As an example, the composite material is a nylon-glass fiber composite material, such as PA66-GF35; the foam structural adhesive is an epoxy structural adhesive, such as EP foam structural adhesive; the composite material and the foam structural adhesive are two-color injection molded, foamed after painting and baking, and bonded to the sheet metal to form a high-rigidity, high-strength whole. This allows for flexible structural design, reduced welding steps, reduced vehicle body manufacturing costs, improved welding quality and accessibility, guaranteed force transmission efficiency, and improved collision performance.
[0056] An embodiment of the utility model provides a car, comprising a car body structure.
[0057] As an example, the vehicle body structure includes a pillar structure 1, a roof frame structure 2 and a reinforcement 3; during installation, the upper end of the pillar structure 1 is connected to the roof frame structure 2, and an internal force transmission cavity connecting the top of the pillar structure 1 and the roof frame structure 2 is formed, and then the reinforcement 3 is arranged in the internal force transmission cavity, specifically the upper end of the reinforcement 3 is connected to the roof frame structure 2, and the lower end of the reinforcement 3 is connected to the pillar structure 1, so that the reinforcement 3 can resist the force on the upper end of the pillar structure 1 and reduce the deformation of the door hinge; and reduce the use of sheet metal parts on the upper end of the pillar structure 1, ensure the rigidity and strength of the vehicle body structure, make the upper end collision performance of the pillar structure 1 meet the standard, improve the weldability and welding quality of the surrounding sheet metal, and at the same time can achieve the effect of reducing weight and cost. Among them, the pillar structure 1 can be a B-pillar structure or an A-pillar structure.
[0058] The vehicle body structure of this example is convenient for transmitting the force applied to the vehicle body structure by setting a reinforcement member 3 in the internal force transmission cavity, transmitting the force applied to the roof frame structure 2 to the pillar structure 1 and the door sill position, and partially releasing the pillar structure 1 and the roof frame structure 2 for energy absorption, thereby protecting the top space of the pillar structure 1 and the deformation of its hinge position; reasonably releasing the energy absorption area and protecting key positions can achieve a weight reduction effect; using the reinforcement member 3 can avoid complex welding restrictions and improve production efficiency; reduce test risks and verification costs, and enhance brand value and market competitiveness.
[0059] The embodiments described above are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention.
Claims
1. A vehicle body structure, characterized in that: Including pillar structure, roof frame structure and reinforcements; The upper end of the pillar structure is connected to the roof frame structure, and forms an internal force transmission cavity connecting the top of the pillar structure and the roof frame structure; The reinforcement member is arranged in the internal force transmission cavity, the upper end of the reinforcement member is connected to the roof frame structure, and the lower end of the reinforcement member is connected to the pillar structure.
2. The vehicle body structure according to claim 1, characterized in that: The reinforcement member includes a first reinforcement portion arranged along the up-down direction of the vehicle and a second reinforcement portion extending from the upper end of the first reinforcement portion along the left-right direction of the vehicle; The first reinforcement portion is located in the pillar structure, and the second reinforcement portion is located in the roof frame structure.
3. The vehicle body structure according to claim 2, characterized in that: The width of the first reinforcement portion is smaller than the width of the second reinforcement portion.
4. The vehicle body structure according to claim 1, characterized in that: The pillar structure includes a pillar reinforcement plate and a pillar inner plate arranged along the up-down direction of the vehicle; The pillar reinforcement plate is arranged on the outer side of the pillar inner plate, and the pillar reinforcement plate and the pillar inner plate cooperate to form a first cavity arranged along the up-down direction of the vehicle; The roof frame structure includes a side wall upper reinforcement plate and a roof inner plate arranged along the front-rear direction of the vehicle; The side enclosure upper reinforcement plate is arranged on the outer side of the roof inner plate, and the side enclosure upper reinforcement plate and the roof inner plate cooperate to form a second cavity arranged along the left-right direction of the vehicle; The lower end of the side enclosure upper reinforcement plate is connected to the upper end of the pillar reinforcement plate, and the lower end of the top cover inner plate is connected to the upper end of the pillar inner plate; the first cavity cooperates with the second cavity to form an internal force transmission cavity.
5. The vehicle body structure according to claim 4, characterized in that: The pillar reinforcement plate comprises a first reinforcement plate body arranged along the up-down direction of the vehicle, and a first overlap edge extending from the upper end of the first reinforcement plate body along the left-right direction of the vehicle, wherein the first reinforcement plate body and the first overlap edge cooperate with the pillar inner plate to form the first cavity; The side upper reinforcement plate includes a second reinforcement plate body arranged along the front-rear direction of the vehicle, and a second overlap edge extending from the lower end of the second reinforcement plate body along the upper-lower direction of the vehicle, and the second reinforcement plate body and the second overlap edge cooperate with the top cover inner plate to form the second cavity; The first overlapping edge overlaps the second overlapping edge.
6. The vehicle body structure according to claim 5, characterized in that: The first overlapping edge includes a first overlapping section extending obliquely outward from the upper end of the first reinforcing plate body and a second overlapping section extending obliquely inward from the upper end of the first overlapping section; The second overlapping edge includes a third overlapping section extending obliquely outward from the lower end of the second reinforcing plate body and a fourth overlapping section extending obliquely inward from the lower end of the third overlapping section; The first overlapping section is in close contact with the fourth overlapping section, and the second overlapping section is in close contact with the third overlapping section.
7. The vehicle body structure according to claim 1, characterized in that: The vehicle body structure further comprises a connection assembly, which is used to fix the reinforcement member to the inner side wall of the internal force transmission cavity.
8. The vehicle body structure according to claim 1, characterized in that: The reinforcement is made of composite material and foamed structural adhesive by double-color injection molding.
9. The vehicle body structure according to claim 8, characterized in that: The composite material is a nylon-glass fiber composite material, and the foamed structural adhesive is an epoxy structural adhesive.
10. An automobile, characterized in that: The vehicle body structure comprises the vehicle body structure as described in any one of claims 1 to 9.