Grating assembly, automobile body front end structure and automobile

Abstract

The invention provides a grille assembly, an automobile body front end structure and an automobile. The grille assembly comprises an upper grille body, a lower grille body and a grille outer plate. The upper grille body is connected with the lower grille body in a buckled mode, and Z-direction overlapping and first X-direction overlapping exist between the upper grille body and the lower grille body; the upper grille body is connected with the upper portion of the outer grille plate, and the lower grille body is connected with the lower portion of the outer grille plate. The grille assembly is arranged in the Y direction, the grille assembly is divided into the grille upper body and the grille lower body, the grille upper body and the grille lower body are connected together in a clamped mode through buckles of the grille upper body and the grille lower body, Z-direction overlapping and first X-direction overlapping are formed between the grille upper body and the grille lower body, the overall structure can be adjusted, the structure can be optimized conveniently, and the overall structure can be adjusted conveniently. The overall supporting strength of the structure is improved, and collision requirements are met; when pedestrians are protected, thighs of the pedestrians can be effectively supported, and pedestrian protection performance is guaranteed.

Description

Technical Field

[0001] The present invention belongs to the technical field of grille assemblies, and particularly relates to a grille assembly, a front-end structure of a vehicle body, and an automobile. Background Art

[0002] With the increasingly fierce competition in the automotive market, the design of products needs to be user-centered. Pedestrian protection is a key factor affecting the user experience and enhancing the brand image of automobiles. Each automobile brand incorporates pedestrian protection performance into the design objectives during the product design stage and finally passes the certification by a third-party agency. In pedestrian protection, the front bumper assembly, grille assembly, and their internal structures at the forefront play a decisive role in pedestrian protection performance. Most of the existing grille assemblies are integrally formed, with the overall structure being non-adjustable and difficult to optimize. Summary of the Invention

[0003] The present invention provides a grille assembly, a front-end structure of a vehicle body, and an automobile to solve the problem that the overall structure of the existing grille assembly is non-adjustable and difficult to optimize.

[0004] A grille assembly includes an upper grille body, a lower grille body, and a grille outer panel;

[0005] The upper grille body is snap-connected to the lower grille body, and there is a Z-direction overlap and a first X-direction overlap between the upper grille body and the lower grille body;

[0006] The upper part of the upper grille body is connected to the upper part of the grille outer panel, and the lower part of the lower grille body is connected to the lower part of the grille outer panel.

[0007] Preferably, the upper part of the upper grille body is connected to the upper part of the grille outer panel, and a first clamping structure extending backward is provided at the lower part of the upper grille body;

[0008] A second clamping structure extending forward is provided at the upper part of the lower grille body, and the lower part of the lower grille body is connected to the lower part of the grille outer panel;

[0009] The second clamping structure is clamped with the first clamping structure to form a Z-direction overlap and a first X-direction overlap.

[0010] Preferably, a first adjustment structure is provided on the upper grille body, and the first adjustment structure is in contact with the grille outer panel;

[0011] A second adjustment structure is provided on the lower grille body, and the second adjustment structure is in contact with the upper grille body and the grille outer panel;

[0012] The first adjustment structure and the second adjustment structure cooperate to adjust the height of the Z-direction overlap and the width of the first X-direction overlap.

[0013] Preferably, the upper grille body includes a first upper body arranged along the X direction, a second upper body extending from one side of the first upper body in a downward inclined direction, a third upper body extending downward along the Z direction from one side of the second upper body, a fourth upper body extending from one side of the third upper body in a downward inclined direction, a fifth upper body extending downward along the Z direction from one side of the fourth upper body, and a sixth upper body extending backward along the X direction from one side of the fifth upper body;

[0014] The lower grille body includes a first lower body arranged along the X direction, a second lower body extending downward along the Z direction from one side of the first lower body, a third lower body extending backward along the X direction from one side of the second lower body, a fourth lower body extending downward along the Z direction from one side of the third lower body, a fifth lower body extending forward along the X direction from one side of the fourth lower body, a sixth lower body extending downward along the Z direction from the fifth lower body, and a seventh lower body extending backward along the X direction from one side of the sixth lower body;

[0015] The third upper body is connected to the upper part of the grille outer panel, and the seventh lower body is connected to the lower part of the grille outer panel;

[0016] The first clamping structure includes the sixth upper body, and the second clamping structure includes the first lower body, the second lower body, and the third lower body;

[0017] The first clamping structure cooperates with the second clamping structure to form a Z - direction overlap between the fifth upper body and the first lower body and the second lower body, and a first X - direction overlap between the sixth upper body and the first lower body.

[0018] Preferably, the first adjustment structure includes two first adjustment ribs, which are spaced apart and arranged on the outside of the fifth upper body and are connected to the grille outer panel;

[0019] The second adjustment structure includes a second adjustment rib and a third adjustment rib;

[0020] The second adjustment rib is arranged on the first lower body and is connected to the fifth upper body;

[0021] The third adjustment rib is arranged on the outside of the fourth lower body and is connected to the grille outer panel.

[0022] Preferably, the grille assembly further includes a grille mounting bracket;

[0023] The front end of the grille mounting bracket is connected to the upper grille body, and the rear end of the grille mounting bracket is used to be connected to the front - end module assembly;

[0024] The grille mounting bracket is provided with a crush structure.

[0025] Preferably, the grille mounting bracket includes a first bracket body arranged along the X direction, a second bracket body extending downward along the Z direction from one side edge of the first bracket body, a third bracket body extending backward along the X direction from one side edge of the second bracket body, and a fourth bracket body extending downward along the Z direction from one side edge of the third bracket body;

[0026] The first bracket body is used to connect with the upper body of the grille;

[0027] The fourth bracket body is used to connect with the front end module assembly;

[0028] The crush structure includes a first crush notch and a second crush notch. The first crush notch is arranged at the connection between the second bracket body and the third bracket body, and the second crush notch is arranged at the connection between the third bracket body and the fourth bracket body.

[0029] Preferably, the grille assembly further includes a grille support bracket;

[0030] The rear end of the grille support bracket is connected to the lower body of the grille, and the front end of the grille support bracket is used to connect with the thigh support bracket;

[0031] There is a first crush space arranged along the X direction between the grille support bracket and the thigh support bracket.

[0032] Preferably, the grille support bracket includes a fifth bracket body and a sixth bracket body extending backward along the X direction from one side of the fifth bracket body;

[0033] The fifth bracket body is connected to the lower body of the grille and forms the first crush space with the thigh support bracket;

[0034] The sixth bracket body is connected to the thigh support bracket, and there is a second X-direction overlap between the two.

[0035] Preferably, the grille support bracket further includes a fourth adjusting rib, and the fourth adjusting rib is arranged at the connection between the sixth bracket body and the thigh support bracket.

[0036] A front-end structure of a vehicle body includes the grille assembly, the front-end module assembly, the engine hood assembly, and the front bumper assembly described above;

[0037] The upper end of the grille assembly is connected to the front-end module assembly and is also connected to the engine hood assembly, and the lower end of the grille assembly is connected to the front bumper assembly.

[0038] Preferably, the front-end structure of the vehicle body further includes a calf protection bracket assembly and a thigh support bracket;

[0039] The rear end of the calf protection bracket assembly is connected to the front-end module assembly, and the front end of the calf protection bracket assembly is connected to the front bumper assembly;

[0040] The rear end of the thigh support bracket is connected to the grille assembly, and the front end of the thigh support bracket is connected to the front bumper assembly.

[0041] Preferably, the front-end structure of the vehicle body further includes a front anti-collision beam assembly;

[0042] The front anti-collision beam assembly is arranged along the Y direction, and there is a second crush space arranged along the X direction between the front anti-collision beam assembly and the grille assembly.

[0043] A rear-end structure of a vehicle includes the front-end structure of the vehicle body described above.

[0044] In the present invention, the grille assembly includes an upper grille body, a lower grille body, and a grille outer panel; the upper grille body is snap-connected to the lower grille body, the upper part of the upper grille body is connected to the grille outer panel, and the lower part of the lower grille body is connected to the grille outer panel; compared with the integrated design of the existing grille assembly, the grille assembly in this example is arranged along the Y direction, and the grille assembly is split into an upper grille body and a lower grille body. The upper grille body and the lower grille body are snap-connected together by their own snaps, so that there is a Z-direction overlap and a first X-direction overlap between the upper grille body and the lower grille body. The overall structure is adjustable, which is convenient for optimizing the structure, improving the overall support strength of the structure, and meeting the collision requirements; during pedestrian protection, it can effectively support the thighs of pedestrians and ensure pedestrian protection performance; moreover, when optimizing, large mold modifications or new mold openings are not required, thereby reducing manufacturing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 is the front view of the front-end structure of the vehicle body in the present invention;

[0046] Figure 2 is Figure 1 the cross-sectional view taken at A-A in

[0047] Figure 3 is Figure 1 the cross-sectional view taken at B-B in

[0048] Figure 4 is Figure 1 the cross-sectional view taken at C-C in

[0049] Figure 5 is Figure 1 the cross-sectional view taken at D-D in

[0050] Figure 6 isFigure 1 Cross-sectional view taken along line E-E;

[0051] Figure 7 is Figure 1 Cross-sectional view taken along line F-F;

[0052] Figure 8 is Figure 7 Enlarged view of the upper grille body;

[0053] Figure 9 is Figure 1 Cross-sectional view taken along line G-G;

[0054] Figure 10 is Figure 1 Cross-sectional view taken along line H-H.

[0055] Wherein, 1. Upper grille body; 101. First upper body; 102. Second upper body; 103. Third upper body; 104. Fourth upper body; 105. Fifth upper body; 106. Sixth upper body; 2. Lower grille body; 201. First lower body; 202. Second lower body; 203. Third lower body; 204. Fourth lower body; 205. Fifth lower body; 206. Sixth lower body; 207. Seventh lower body; 3. Grille outer panel; 4. First adjustment structure; 401. First adjustment rib; 5. Second adjustment structure; 501. Second adjustment rib; 502. Third adjustment rib; 6. Grille mounting bracket; 601. First bracket body; 602. Second bracket body; 603. Third bracket body; 604. Fourth bracket body; 7. Crumple structure; 701. First crumple notch; 702. Second crumple notch; 8. Grille support bracket; 801. Fifth bracket body; 802. Sixth bracket body; 803. Fourth adjustment rib; 9. Front-end module assembly; 10. Engine hood assembly; 11. Front bumper assembly; 12. Lower leg protection bracket assembly; 13. Thigh support bracket; 14. Front anti-collision beam assembly. Detailed implementation manners

[0056] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0057] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These 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. Therefore, it should not be construed as a limitation to the present invention. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0058] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected", and "coupled" 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 an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0059] An embodiment of the present invention provides a grille assembly. Referring to Figure 1 , Figure 5 , Figure 7 and Figure 8 , the grille assembly includes an upper grille body 1, a lower grille body 2, and an outer grille panel 3; the upper grille body 1 is snap-connected to the lower grille body 2, and there is a Z-direction overlap and a first X-direction overlap between the upper grille body 1 and the lower grille body 2; the upper part of the upper grille body 1 is connected to the outer grille panel 3, and the lower part of the lower grille body 2 is connected to the outer grille panel 3.

[0060] As an example, the grille assembly includes an upper grille body 1, a lower grille body 2, and an outer grille panel 3; the upper grille body 1 is snap-connected to the lower grille body 2, the upper part of the upper grille body 1 is connected to the outer grille panel 3, and the lower part of the lower grille body 2 is connected to the outer grille panel 3; compared with the integrated design of the existing grille assembly, the grille assembly in this example is arranged in the Y direction, and the grille assembly is split into an upper grille body 1 and a lower grille body 2. The upper grille body 1 and the lower grille body 2 are snap-connected together by their own snaps, so that there is a Z-direction overlap and a first X-direction overlap between the upper grille body 1 and the lower grille body 2. The overall structure is adjustable, which is convenient for optimizing the structure, improving the overall support strength of the structure, and meeting the collision requirements; during pedestrian protection, it can effectively support the thighs of pedestrians and ensure pedestrian protection performance; moreover, when optimizing, large mold modifications or new mold openings are not required, thereby reducing manufacturing costs.

[0061] In one embodiment, referring to Figure 5 , Figure 7 andFigure 8 , the upper part of the upper grille body 1 is connected to the upper part of the grille outer panel 3, and the lower part of the upper grille body 1 is provided with a first clamping structure extending backward; the upper part of the lower grille body 2 is provided with a second clamping structure extending forward, and the lower part of the lower grille body 2 is connected to the lower part of the grille outer panel 3; the second clamping structure is clamped with the first clamping structure to form a Z - direction overlap and a first X - direction overlap.

[0062] As an example, the upper part of the upper grille body 1 is connected to the upper part of the grille outer panel 3, and the lower part of the upper grille body 1 is provided with a first clamping structure extending backward; the upper part of the lower grille body 2 is provided with a second clamping structure extending forward, and the lower part of the lower grille body 2 is connected to the lower part of the grille outer panel 3; the second clamping structure is clamped with the first clamping structure to form a Z - direction overlap and a first X - direction overlap; the upper grille body 1 and the lower grille body 2 are clamped together through the first clamping structure and the second clamping structure, so that a Z - direction overlap and a first X - direction overlap are formed between the upper grille body 1 and the lower grille body 2; both the upper grille body 1 and the lower grille body 2 are connected to the grille outer panel 3, which can further improve the connection reliability between the two; such a setting makes the overall grille assembly structure adjustable, facilitating the optimization of the structure, improving the overall support strength of the structure, and meeting the collision requirements; during pedestrian protection, it can effectively support the thighs of pedestrians and ensure the pedestrian protection performance; moreover, when optimizing, large - scale mold modification or re - opening of molds is not required, thereby reducing the manufacturing cost.

[0063] In one embodiment, referring to Figure 5 , Figure 7 and Figure 8 , the upper grille body 1 is provided with a first adjustment structure 4, and the first adjustment structure 4 is connected to the grille outer panel 3; the lower grille body 2 is provided with a second adjustment structure 5, and the second adjustment structure 5 is connected to the upper grille body 1 and the grille outer panel 3; the first adjustment structure 4 cooperates with the second adjustment structure 5 to adjust the height of the Z - direction overlap and the width of the first X - direction overlap.

[0064] As an example, the upper grille body 1 is provided with a first adjustment structure 4, and the first adjustment structure 4 is connected to the grille outer panel 3; the lower grille body 2 is provided with a second adjustment structure 5, and the second adjustment structure 5 is connected to the upper grille body 1 and the grille outer panel 3; according to the collision requirements, by adjusting the height and thickness of the first adjustment structure 4 and the second adjustment structure 5, the height of the Z - direction overlap and the width of the first X - direction overlap can be adjusted, optimizing the grille assembly, improving the overall support strength of the structure, meeting the collision requirements, thereby optimizing the X - direction support strength of the thighs and ensuring the pedestrian protection performance.

[0065] In one embodiment, referring to Figure 5 , Figure 7 and Figure 8, the upper grille body 1 includes a first upper body 101 arranged along the X direction, a second upper body 102 extending from one side of the first upper body 101 in a downward inclined direction, a third upper body 103 extending downward along the Z direction from one side of the second upper body 102, a fourth upper body 104 extending from one side of the third upper body 103 in a downward inclined direction, a fifth upper body 105 extending downward along the Z direction from one side of the fourth upper body 104, and a sixth upper body 106 extending backward along the X direction from one side of the fifth upper body 105; the lower grille body 2 includes a first lower body 201 arranged along the X direction, a second lower body 202 extending downward along the Z direction from one side of the first lower body 201, a third lower body 203 extending backward along the X direction from one side of the second lower body 202, a fourth lower body 204 extending downward along the Z direction from one side of the third lower body 203, a fifth lower body 205 extending forward along the X direction from one side of the fourth lower body 204, a sixth lower body 206 extending downward along the Z direction from the fifth lower body 205, and a seventh lower body 207 extending backward along the X direction from one side of the sixth lower body 206; the third upper body 103 is connected to the upper part of the grille outer panel 3, and the seventh lower body 207 is connected to the lower part of the grille outer panel 3; the first clamping structure includes the sixth upper body 106, the second clamping structure includes the first lower body 201, the second lower body 202, and the third lower body 203, and the first clamping structure cooperates with the second clamping structure to form a Z-direction overlap between the fifth upper body 105 and the first lower body 201 and the second lower body 202, and a first X-direction overlap between the sixth upper body 106 and the first lower body 201.

[0066] As an example, the upper grille body 1 includes a first upper body 101, a second upper body 102, a third upper body 103, a fourth upper body 104, a fifth upper body 105, and a sixth upper body 106; the first upper body 101 is arranged along the X direction, the second upper body 102 extends from one side of the first upper body 101 in a downward inclined direction, the third upper body 103 extends from one side of the second upper body 102 downward along the Z direction, the fourth upper body 104 extends from one side of the third upper body 103 in a downward inclined direction, the fifth upper body 105 extends from one side of the fourth upper body 104 downward along the Z direction, and the sixth upper body 106 extends backward along the X direction from one side of the fifth upper body 105; the lower grille body 2 includes a first lower body 201, a second lower body 202, a third lower body 203, a fourth lower body 204, a fifth lower body 205, a sixth lower body 206, and a seventh lower body 207; the first lower body 201 is arranged along the X direction, the second lower body 202 extends from one side of the first lower body 201 downward along the Z direction, the third lower body 203 extends backward along the X direction from one side of the second lower body 202, the fourth lower body 204 extends from one side of the third lower body 203 downward along the Z direction, the fifth lower body 205 extends forward along the X direction from one side of the fourth lower body 204, the sixth lower body 206 extends downward along the Z direction from the fifth lower body 205, and the seventh lower body 207 extends backward along the X direction from one side of the sixth lower body 206; the third upper body 103 is connected to the upper part of the grille outer panel 3, and the seventh lower body 207 is connected to the lower part of the grille outer panel 3; the first clamping structure includes the sixth upper body 106, the second clamping structure includes the first lower body 201, the second lower body 202, and the third lower body 203, and the first clamping structure cooperates with the second clamping structure to form a Z - direction overlap between the fifth upper body 105 and the first lower body 201 and the second lower body 202, and a first X - direction overlap between the sixth upper body 106 and the first lower body 201; by such a setting, the grille assembly is split into the upper grille body 1 and the lower grille body 2, and the upper grille body 1 and the lower grille body 2 are clamped together by their own buckles, forming a Z - direction overlap and a first X - direction overlap between the upper grille body 1 and the lower grille body 2. The overall structure is adjustable, facilitating the optimization of the structure, improving the overall support strength of the structure, and meeting the collision requirements; during pedestrian protection, it can effectively support the thighs of pedestrians and ensure the pedestrian protection performance; moreover, during optimization, large - scale mold modification or re - opening of molds is not required, thereby reducing the manufacturing cost.

[0067] In one embodiment, referring to Figure 5 、 Figure 7 and Figure 8, the first adjustment structure 4 includes two first adjustment ribs 401, and the two first adjustment ribs 401 are arranged at intervals on the outer side of the fifth upper body 105 and are connected to the grille outer panel 3; the second adjustment structure 5 includes a second adjustment rib 501 and a third adjustment rib 502; the second adjustment rib 501 is arranged on the first lower body 201 and is connected to the fifth upper body 105; the third adjustment rib 502 is arranged on the outer side of the fourth lower body 204 and is connected to the grille outer panel 3.

[0068] As an example, the first adjustment structure 4 includes two first adjustment ribs 401, and the second adjustment structure 5 includes a second adjustment rib 501 and a third adjustment rib 502. The two first adjustment ribs 401 are arranged at intervals on the outer side of the fifth upper body 105 and are connected to the grille outer panel 3 to provide X-direction support for the grille upper body 1; the third adjustment rib 502 is arranged on the outer side of the fourth lower body 204 and is connected to the grille outer panel 3 to provide X-direction support for the grille lower body 2; by adjusting the height and thickness of the first adjustment rib 401 and the third adjustment rib 502, the X-direction position of the grille upper body 1 and the grille lower body 2 can be changed, thereby adjusting the width of the first X-direction overlap between the two; the second adjustment rib 501 is arranged on the first lower body 201 and is connected to the fifth upper body 105, and by adjusting the height and thickness of the second adjustment rib 501, the Z-direction overlap height between the grille upper body 1 and the grille lower body 2 can be increased; according to the collision requirements, by adjusting the height and thickness of the two first adjustment ribs 401, the second adjustment rib 501 and the third adjustment rib 502, the height of the Z-direction overlap and the width of the first X-direction overlap can be adjusted, optimizing the grille assembly, improving the overall structural support strength, meeting the collision requirements, thereby optimizing the X-direction support strength of the thigh and ensuring the pedestrian protection performance.

[0069] In one embodiment, referring to Figure 2 , Figure 6 , Figure 7 and Figure 9 , the grille assembly further includes a grille mounting bracket 6; the front end of the grille mounting bracket 6 is connected to the grille upper body 1, and the rear end of the grille mounting bracket 6 is used to be connected to the front-end module assembly 9; a crush structure 7 is provided on the grille mounting bracket 6.

[0070] As an example, the grille assembly further includes a grille mounting bracket 6; the front end of the grille mounting bracket 6 is connected to the upper grille body 1 by bolts, and the rear end of the grille mounting bracket 6 is used to connect to the front end module assembly 9; on the one hand, it provides support for the installation of the upper grille body 1 to meet the requirements of its own structural fixation; on the other hand, during pedestrian protection, it supports the thighs of pedestrians to ensure pedestrian protection performance. The grille mounting bracket 6 is provided with a crush structure 7, which can adjust the size of the crush structure 7 according to the collision requirements without affecting the Z-direction support strength of the grille mounting bracket 6, so as to optimize the X-direction support strength of the thighs and ensure pedestrian protection performance. Among them, the number of grille mounting brackets 6 is at least two, and at least two grille mounting brackets 6 are arranged at intervals along the Y direction, mainly used to install the upper grille body 1, provide a supporting role for the upper grille body 1, and at the same time, support the thighs during a collision to ensure pedestrian protection performance. The number of grille mounting brackets 6 is preferably four.

[0071] In one embodiment, referring to Figure 2 , Figure 6 , Figure 7 and Figure 9 , the grille mounting bracket 6 includes a first bracket body 601 arranged along the X direction, a second bracket body 602 extending downward along the Z direction from one side edge of the first bracket body 601, a third bracket body 603 extending backward along the X direction from one side edge of the second bracket body 602, and a fourth bracket body 604 extending downward along the Z direction from one side edge of the third bracket body 603; the first bracket body 601 is used to connect to the upper grille body 1; the fourth bracket body 604 is used to connect to the front end module assembly 9; the crush structure 7 includes a first crush notch 701 and a second crush notch 702, the first crush notch 701 is arranged at the joint of the second bracket body 602 and the third bracket body 603, and the second crush notch 702 is arranged at the joint of the third bracket body 603 and the fourth bracket body 604.

[0072] As an example, the grille mounting bracket 6 includes a first bracket body 601, a second bracket body 602, a third bracket body 603, and a fourth bracket body 604. The first bracket body 601 is arranged along the X direction. The second bracket body 602 extends downward along the Z direction from one side edge of the first bracket body 601. The third bracket body 603 extends backward along the X direction from one side edge of the second bracket body 602. The fourth bracket body 604 extends downward along the Z direction from one side edge of the third bracket body 603. The first bracket body 601 is used to connect with the upper grille body 1. The fourth bracket body 604 is used to connect with the front-end module assembly 9. Such an arrangement provides support for the installation of the upper grille body 1 and meets the requirements for its own structural fixation. During pedestrian protection, it supports the thighs of pedestrians to ensure pedestrian protection performance. The crash structure 7 includes a first crash notch 701 and a second crash notch 702. The first crash notch 701 is arranged at the connection between the second bracket body 602 and the third bracket body 603. The second crash notch 702 is arranged at the connection between the third bracket body 603 and the fourth bracket body 604. By setting crash notches at the key stress positions of the grille mounting bracket 6, the size of the crash notches can be adjusted according to the collision requirements without affecting the Z-direction support strength of the grille mounting bracket 6, thereby optimizing the X-direction support strength of the thighs and ensuring pedestrian protection performance.

[0073] In one embodiment, referring to Figure 10 , the grille assembly further includes a grille support bracket 8. The rear end of the grille support bracket 8 is connected to the lower grille body 2, and the front end of the grille support bracket 8 is used to connect with the thigh support bracket 13. There is a first crash space arranged along the X direction between the grille support bracket 8 and the thigh support bracket 13.

[0074] As an example, the grille assembly further includes a grille support bracket 8. The rear end of the grille support bracket 8 is connected to the lower grille body 2, and the front end of the grille support bracket 8 is used to connect with the thigh support bracket 13, which can provide a Z-direction support function for the lower grille body 2. There is a first crash space arranged along the X direction between the grille support bracket 8 and the thigh support bracket 13. When a collision occurs, it can provide a crash space for the grille support bracket 8 to prevent the thigh support bracket 13 from causing harm to pedestrians due to the crash collision of the grille support bracket 8, improving pedestrian protection performance. At the same time, according to the collision requirements, the width of the first crash space can be adjusted by adjusting the X-direction length of the thigh support bracket 13 to optimize the crash space required during the collision.

[0075] In one embodiment, referring to Figure 10, the grille support bracket 8 includes a fifth bracket body 801 and a sixth bracket body 802 extending rearward in the X direction from one side of the fifth bracket body 801; the fifth bracket body 801 is connected to the lower grille body 2 and forms a first collapse space with the thigh support bracket 13; the sixth bracket body 802 is connected to the thigh support bracket 13, and there is a second X-direction overlap between them.

[0076] As an example, the grille support bracket 8 includes a fifth bracket body 801 and a sixth bracket body 802, and the sixth bracket body 802 extends rearward in the X direction from one side of the fifth bracket body 801; the sixth bracket body 802 is connected to the thigh support bracket 13, and there is a second X-direction overlap between them; such a setting can provide a Z-direction support for the lower grille body 2; the fifth bracket body 801 is connected to the lower grille body 2 and forms a first collapse space with the thigh support bracket 13. When a collision occurs, it can provide a collapse space for the grille support bracket 8 to avoid the thigh support bracket 13 causing harm to pedestrians due to the collapse collision of the grille support bracket 8 and improve the pedestrian protection performance; at the same time, according to the collision requirements, by adjusting the X-direction length of the thigh support bracket 13, the width of the first collapse space can be adjusted to optimize the collapse space required during the collision.

[0077] In one embodiment, referring to Figure 10 , the grille support bracket 8 further includes a fourth adjusting rib 803, and the fourth adjusting rib 803 is arranged at the connection between the sixth bracket body 802 and the thigh support bracket 13.

[0078] As an example, the grille support bracket 8 further includes a fourth adjusting rib 803, and the fourth adjusting rib 803 is arranged at the connection between the sixth bracket body 802 and the thigh support bracket 13; according to the collision requirements, the thickness and height of the fourth adjusting rib 803 can be adjusted to optimize the X-direction support strength of the grille support bracket 8 during the collision and improve the pedestrian protection performance.

[0079] The embodiment of the present invention provides a front-end structure of a vehicle body, referring to Figure 1 and Figure 2 , including a grille assembly, a front-end module assembly 9, a hood assembly 10, and a front bumper assembly 11; the upper end of the grille assembly is connected to the front-end module assembly 9 and is also connected to the hood assembly 10, and the lower end of the grille assembly is connected to the front bumper assembly 11.

[0080] As an example, the front-end structure of the vehicle body includes a grille assembly, a front-end module assembly 9, a hood assembly 10, and a front bumper assembly 11; in pedestrian protection, the front bumper assembly 11, grille assembly, front-end module assembly 9, and hood assembly 10 at the very front play a decisive role in pedestrian protection performance; the upper end of the grille assembly is connected to the front-end module assembly 9 and is also connected to the hood assembly 10, and the lower end of the grille assembly is connected to the front bumper assembly 11, which can ensure the support strength of the front-end structure of the vehicle body and improve pedestrian protection performance. Among them, the grille assembly includes an upper grille body 1, a lower grille body 2, and a grille outer panel 3; the upper grille body 1 is snap-connected to the lower grille body 2, the upper part of the upper grille body 1 is connected to the grille outer panel 3, and the lower part of the lower grille body 2 is connected to the grille outer panel 3; compared with the integrated design of the existing grille assembly, the grille assembly in this example is arranged along the Y direction, and the grille assembly is split into an upper grille body 1 and a lower grille body 2, and the upper grille body 1 and the lower grille body 2 are snap-connected together by their own snaps, so that there is a Z-direction overlap and a first X-direction overlap between the upper grille body 1 and the lower grille body 2. The overall structure is adjustable, which is convenient for optimizing the structure, improving the overall support strength of the structure, and meeting the collision requirements; during pedestrian protection, it can effectively support the thighs of pedestrians and ensure pedestrian protection performance; moreover, large mold modifications or new mold openings are not required during optimization, thereby reducing manufacturing costs.

[0081] In one embodiment, referring to Figure 3 and Figure 10 , the front-end structure of the vehicle body further includes a lower leg protection bracket assembly 12 and a thigh support bracket 13; the rear end of the lower leg protection bracket assembly 12 is connected to the front-end module assembly 9, and the front end of the lower leg protection bracket assembly 12 is connected to the front bumper assembly 11; the rear end of the thigh support bracket 13 is connected to the grille assembly, and the front end of the thigh support bracket 13 is connected to the front bumper assembly 11.

[0082] As an example, the front-end structure of the vehicle body further includes a lower leg protection bracket assembly 12 and a thigh support bracket 13; the rear end of the lower leg protection bracket assembly 12 is connected to the front-end module assembly 9, and the front end of the lower leg protection bracket assembly 12 is connected to the front bumper assembly 11; during pedestrian protection, it supports the lower leg to prevent excessive local displacement of the lower leg. The rear end of the thigh support bracket 13 is connected to the grille assembly, and the front end of the thigh support bracket 13 is connected to the front bumper assembly 11. During pedestrian protection, it supports the thigh to prevent excessive local displacement of the thigh.

[0083] In one embodiment, referring to Figure 2 and Figure 4 , the front-end structure of the vehicle body further includes a front anti-collision beam assembly 14; the front anti-collision beam assembly 14 is arranged along the Y direction, and there is a second crush space arranged along the X direction between it and the grille assembly.

[0084] As an example, the front-end structure of the vehicle body further includes a front anti-collision beam assembly 14; the grille assembly and the front bumper assembly 11 are assembled together by snap fasteners to form an integral assembly. The front anti-collision beam assembly 14 is arranged along the Y direction, is connected to the floor frame, and there is a second crush space arranged along the X direction between the grille assembly and the front bumper assembly 11, which can provide knee retreat space during pedestrian protection and further improve the pedestrian protection performance.

[0085] An embodiment of the present invention provides a vehicle, including a front-end structure of the vehicle body.

[0086] As an example, the front-end structure of the vehicle body includes a grille assembly, a front-end module assembly 9, a hood assembly 10, and a front bumper assembly 11; in pedestrian protection, the front bumper assembly 11, grille assembly, front-end module assembly 9, and hood assembly 10 at the forefront play a decisive role in pedestrian protection performance; the upper end of the grille assembly is connected to the front-end module assembly 9 and is also connected to the hood assembly 10, and the lower end of the grille assembly is connected to the front bumper assembly 11, which can ensure the support strength of the front-end structure of the vehicle body and improve the pedestrian protection performance. Among them, the grille assembly includes an upper grille body 1, a lower grille body 2, and a grille outer panel 3; the upper grille body 1 is snap-connected to the lower grille body 2, the upper part of the upper grille body 1 is connected to the grille outer panel 3, and the lower part of the lower grille body 2 is connected to the grille outer panel 3; compared with the integrated design of the existing grille assembly, the grille assembly in this example is arranged along the Y direction, and the grille assembly is split into the upper grille body 1 and the lower grille body 2. The upper grille body 1 and the lower grille body 2 are snap-connected together by their own snaps, so that there is a Z-direction overlap and a first X-direction overlap between the upper grille body 1 and the lower grille body 2. The overall structure is adjustable, which is convenient for optimizing the structure, improving the overall support strength of the structure, and meeting the collision requirements; during pedestrian protection, it can effectively support the thighs of pedestrians and ensure the pedestrian protection performance; moreover, when optimizing, large mold modifications or new mold openings are not required, thereby reducing the manufacturing cost.

[0087] In this embodiment, through the design of the grille assembly, key structures are designed at key positions affecting the collision performance and adjustable structures are designed on the key structures. In the product design stage, large-scale structural adjustments are avoided, and this structural design is convenient for adjustment, saving data design time and improving design efficiency; in the product verification stage, it is convenient to locally modify the product structure according to the verification results, improve the product performance, save the modification cost and the scheme optimization time.

[0088] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A grille assembly, characterized in that, It includes an upper grille body, a lower grille body and an outer grille panel; The upper grille body is snap-connected to the lower grille body, and there is a Z-direction overlap and a first X-direction overlap between the upper grille body and the lower grille body; The upper part of the upper grille body is connected to the upper part of the outer grille panel, and the lower part of the lower grille body is connected to the lower part of the outer grille panel.

2. The grille assembly according to claim 1, wherein, The upper part of the upper grille body is connected to the upper part of the outer grille panel, and a first clamping structure extending backward is provided at the lower part of the upper grille body; A second clamping structure extending forward is provided at the upper part of the lower grille body, and the lower part of the lower grille body is connected to the lower part of the outer grille panel; The second clamping structure is clamped with the first clamping structure to form a Z-direction overlap and a first X-direction overlap.

3. The grille assembly according to claim 2, characterized in that, A first adjusting structure is provided on the upper grille body, and the first adjusting structure is in contact with the outer grille panel; A second adjusting structure is provided on the lower grille body, and the second adjusting structure is in contact with the upper grille body and the outer grille panel; The first adjusting structure cooperates with the second adjusting structure to adjust the height of the Z-direction overlap and the width of the first X-direction overlap.

4. The grille assembly according to claim 3, wherein The upper grille body includes a first upper body arranged along the X direction, a second upper body extending downward along an inclined direction from one side of the first upper body, a third upper body extending downward along the Z direction from one side of the second upper body, a fourth upper body extending downward along an inclined direction from one side of the third upper body, a fifth upper body extending downward along the Z direction from one side of the fourth upper body, and a sixth upper body extending backward along the X direction from one side of the fifth upper body; The lower grille body includes a first lower body arranged along the X direction, a second lower body extending downward along the Z direction from one side of the first lower body, a third lower body extending backward along the X direction from one side of the second lower body, a fourth lower body extending downward along the Z direction from one side of the third lower body, a fifth lower body extending forward along the X direction from one side of the fourth lower body, a sixth lower body extending downward along the Z direction from the fifth lower body, and a seventh lower body extending backward along the X direction from one side of the sixth lower body; The third upper body is in contact with the upper part of the outer grille panel, and the seventh lower body is in contact with the lower part of the outer grille panel; The first clamping structure includes the sixth upper body, and the second clamping structure includes the first lower body, the second lower body and the third lower body; The first clamping structure cooperates with the second clamping structure to form a Z-direction overlap between the fifth upper body and the first lower body and the second lower body, and a first X-direction overlap between the sixth upper body and the first lower body.

5. The grille assembly according to claim 4, characterized in that, The first adjusting structure includes two first adjusting ribs, and the two first adjusting ribs are spaced apart on the outer side of the fifth upper body and are in contact with the outer grille panel; The second adjusting structure includes a second adjusting rib and a third adjusting rib; The second adjusting rib is arranged on the first lower body and is in contact with the fifth upper body; The third adjusting rib is arranged on the outer side of the fourth lower body and is in contact with the outer grille panel.

6. The grille assembly according to claim 1, characterized in that, The grille assembly further includes a grille mounting bracket; The front end of the grille mounting bracket is connected to the upper grille body, and the rear end of the grille mounting bracket is used to be connected to the front end module assembly; The grille mounting bracket is provided with a crush structure.

7. The grille assembly according to claim 6, characterized in that, The grille mounting bracket includes a first bracket body arranged along the X direction, a second bracket body extending downward along the Z direction from one side edge of the first bracket body, a third bracket body extending backward along the X direction from one side edge of the second bracket body, and a fourth bracket body extending downward along the Z direction from one side edge of the third bracket body; The first bracket body is used to be connected to the upper grille body; The fourth bracket body is used to be connected to the front end module assembly; The crush structure includes a first crush notch and a second crush notch. The first crush notch is arranged at the connection between the second bracket body and the third bracket body, and the second crush notch is arranged at the connection between the third bracket body and the fourth bracket body.

8. The grille assembly according to claim 1, characterized in that, The grille assembly further includes a grille support bracket; The rear end of the grille support bracket is connected to the lower grille body, and the front end of the grille support bracket is used to be connected to the thigh support bracket; There is a first crush space arranged along the X direction between the grille support bracket and the thigh support bracket.

9. The grille assembly according to claim 8, wherein, The grille support bracket includes a fifth bracket body and a sixth bracket body extending backward along the X direction from one side of the fifth bracket body; The fifth bracket body is connected to the lower grille body and forms the first crush space with the thigh support bracket; The sixth bracket body is connected to the thigh support bracket, and there is a second X-direction overlap between them.

10. The grille assembly according to claim 9, characterized in that, The grille support bracket further includes a fourth adjusting rib, and the fourth adjusting rib is arranged at the connection between the sixth bracket body and the thigh support bracket.

11. A front-end structure of a vehicle body, characterized in that, Including the grille assembly, the front end module assembly, the engine hood assembly and the front bumper assembly according to any one of claims 1-10; The upper end of the grille assembly is connected to the front end module assembly and is connected to the engine hood assembly, and the lower end of the grille assembly is connected to the front bumper assembly.

12. The front-end structure of the vehicle body according to claim 11, characterized in that, The front body structure further includes a lower leg protection bracket assembly and a thigh support bracket; The rear end of the lower leg protection bracket assembly is connected to the front end module assembly, and the front end of the lower leg protection bracket assembly is connected to the front bumper assembly; The rear end of the thigh support bracket is connected to the grille assembly, and the front end of the thigh support bracket is connected to the front bumper assembly.

13. The front-end structure of the vehicle body according to claim 11, characterized in that, The front body structure further includes a front anti-collision beam assembly; The front anti-collision beam assembly is arranged along the Y direction, and there is a second crush space arranged along the X direction between it and the grille assembly.

14. A rear end structure of a vehicle body, characterized in that, Including the front body structure according to any one of claims 11-13.

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