Air-inlet grille air deflector beneficial to pedestrian leg protection and vehicle

Abstract

The invention relates to an air-inlet grille air deflector beneficial to pedestrian leg protection and a vehicle, and the air-inlet grille air deflector comprises an air deflector outer frame which comprises an upper air deflector body, a left air deflector body, a lower air deflector body and a right air deflector body, and the upper air deflector body, the left air deflector body, the lower air deflector body and the right air deflector body are sequentially connected end to end to define a frame structure for air inlet and flow guide; the upper air guide plate obliquely extends downwards in the direction close to the lower air guide plate from the air inlet to the air outlet, the lower air guide plate extends in the horizontal direction from the air inlet to the air outlet, and the wall thickness of the lower air guide plate is gradually increased from the middle to the air inlet and the air outlet. And the middle supporting beam is located between the upper air guide plate and the lower air guide plate in the horizontal direction, the two ends of the middle supporting beam are connected with the left air guide plate and the right air guide plate correspondingly, and an air inlet notch is formed in the middle supporting beam. According to the air inlet grille air deflector, the upper air deflector body, the lower air deflector body and the middle supporting beam absorb energy and deform, then kinetic energy generated when the legs of a pedestrian touch the anti-collision beam can be reduced, and the purpose of protecting the legs of the pedestrian is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of automotive intake air guiding structures, and particularly relates to an intake grille air deflector and a vehicle that are beneficial to pedestrian leg protection. Background Art

[0002] When a pedestrian collides with a moving vehicle, part of the energy of the vehicle will be absorbed through the deformation of the front part of the vehicle, and part of the energy will be directly transmitted to the pedestrian. If the front structure of the vehicle cannot absorb energy or has poor energy absorption effect, it will cause great harm to the pedestrian. A large number of studies have shown that the shape of the vehicle and the stiffness of the internal structure are the key factors affecting the pedestrian protection effect of the vehicle.

[0003] During the process of a pedestrian's leg colliding with a vehicle, in order to reduce the injury to the pedestrian's leg, it is necessary to select a reasonable structure within a limited space to change the stiffness of the entire vehicle's front structure, ensure the balance of the stiffness of the entire vehicle's front structure, and reserve a certain gap with the rear hard points to absorb the energy during the collision process and reduce the injury to the leg.

[0004] However, due to the significant impact of the increase in the overall vehicle length on both the process and the production line, it is impossible to infinitely increase the collision space to meet the space requirements of the pedestrian's leg. Therefore, under certain front overhang requirements, in order to meet the more stringent requirements for the leg injury value of pedestrian protection, it is necessary to add a certain energy absorption structure to absorb the energy during the collision of the pedestrian's leg, so as to reduce the injury to the pedestrian's leg. Summary of the Invention

[0005] The embodiments of the present application provide an intake grille air deflector and a vehicle that are beneficial to pedestrian leg protection, so as to solve the problem in the related art of how to select a reasonable structure within a limited space to change the stiffness of the entire vehicle's front structure to absorb the energy during the collision of the pedestrian's leg, thereby reducing the injury to the pedestrian's leg.

[0006] The first aspect of the embodiments of the present application provides an intake grille air deflector that is beneficial to pedestrian leg protection, including: An air deflector outer frame, the air deflector outer frame includes an upper air deflector, a left air deflector, a lower air deflector, and a right air deflector, and the upper air deflector, the left air deflector, the lower air deflector, and the right air deflector are sequentially connected end to end to form a frame structure for air intake and diversion; The upper air deflector extends obliquely downward in a direction approaching the lower air deflector from the air inlet to the air outlet, the lower air deflector extends horizontally from the air inlet to the air outlet, and the wall thickness of the lower air deflector gradually thickens from the middle to the air inlet and the air outlet directions; An intermediate support beam is horizontally located between the upper air guide plate and the lower air guide plate, and both ends of the intermediate support beam are respectively connected to the left air guide plate and the right air guide plate, and an air inlet slot is provided on the intermediate support beam.

[0007] In some embodiments, the structural stiffness of the upper air deflector is smaller than the structural stiffness of the middle support beam, and the structural stiffness of the middle support beam is smaller than the structural stiffness of the lower air deflector.

[0008] In some embodiments, the upper air guide plate is provided with a first flange that is folded upward in a direction close to the air inlet, the upper air guide plate is provided with a second flange that is folded upward in a direction close to the air outlet, and the second flange is provided with a third flange that extends horizontally toward a side away from the upper air guide plate. The upper surface of the upper air guide plate is provided with a plurality of first reinforcing ribs extending from the second flange toward the first flange, one end of the first reinforcing rib is connected to the second flange, and the other end of the first reinforcing rib is spaced apart from the first flange.

[0009] In some embodiments: a plurality of first mounting clips for fixing the upper air guide plate to the front active air intake grille are provided on the third flange, and the plurality of first mounting clips are spaced apart along the length direction of the third flange.

[0010] In some embodiments: the lower air guide plate is provided with a fourth flange folded downward in the direction close to the air inlet, and the lower air guide plate is provided with a fifth flange folded downward in the direction close to the air outlet, and the fifth flange is an arc-shaped induced collapse flange.

[0011] In some embodiments: the bottom surface of the lower air guide plate is provided with a plurality of second reinforcing ribs extending from the fourth flange toward the fifth flange, one end of the second reinforcing rib is connected to the fourth flange, and the other end of the second reinforcing rib is connected to the fifth flange.

[0012] In some embodiments, a plurality of second reinforcing ribs are sequentially spaced along the length direction of the lower air guide plate, and the width of the second reinforcing ribs gradually decreases from the fourth flange to the fifth flange; The fifth flange is provided with a plurality of second mounting clips for fixing the lower air guide plate to the front active air intake grille, and the plurality of second mounting clips are arranged at intervals along the length direction of the fifth flange.

[0013] In some embodiments: the cross-section of the intermediate support beam is in the shape of a "匚" or a "C", and a plurality of third reinforcing ribs are provided in the intermediate support beam. The plurality of third reinforcing ribs are arranged in sequence and spaced apart along the length direction of the intermediate support beam, and a notch is provided at one end of the plurality of third reinforcing ribs facing the air outlet.

[0014] In some embodiments, a plurality of fourth reinforcing ribs are connected to the outer sides of the left air deflector and the right air deflector that are away from each other. The plurality of fourth reinforcing ribs are spaced along the height direction of the left air deflector and the right air deflector. The upper air deflector, the left air deflector, the lower air deflector and the right air deflector are integrally injection-molded structures.

[0015] The second aspect of the embodiments of the present application provides a vehicle, including: An active intake grille, a front bumper beam is provided below the active intake grille, and a front bumper is provided in front of the active intake grille and the front bumper beam; An air intake grille air deflector for facilitating pedestrian leg protection as described in any of the above embodiments is connected between the active intake grille and the front bumper; The inner surface of the front bumper is connected to the air intake grille air deflector through foam. The air intake grille air deflector is located above the bumper beam and in front of the bumper beam.

[0016] The beneficial effects brought by the technical solutions provided by the present application include: The embodiments of the present application provide an air intake grille air deflector for facilitating pedestrian leg protection and a vehicle. Since the air intake grille air deflector for facilitating pedestrian leg protection of the present application is provided with an air deflector outer frame, the air deflector outer frame includes an upper air deflector, a left air deflector, a lower air deflector and a right air deflector. The upper air deflector, the left air deflector, the lower air deflector and the right air deflector are sequentially connected end to end to form a frame structure for air intake and diversion; the upper air deflector extends obliquely downward in a direction approaching the lower air deflector from the air inlet to the air outlet, the lower air deflector extends horizontally from the air inlet to the air outlet, and the wall thickness of the lower air deflector gradually thickens from the middle to the air inlet and the air outlet directions; a middle support beam, the middle support beam is horizontally located between the upper air deflector and the lower air deflector, and both ends of the middle support beam are respectively connected to the left air deflector and the right air deflector, and an air intake notch is provided on the middle support beam.

[0017] Therefore, on the basis of meeting the air intake and diversion for the engine or radiator, the air intake grille air deflector for facilitating pedestrian leg protection of the present application, under the harsh conditions of limited buffer space, large impact energy and few energy absorption structures between the front bumper and the active intake grille, through structural improvement and optimization of the upper air deflector and the lower air deflector of the air deflector outer frame, and an additional middle support beam located between the upper air deflector and the lower air deflector is provided on the air deflector outer frame. The upper air deflector, the lower air deflector and the middle support beam form a three-point buffer support for the pedestrian's legs, effectively reducing the injury during the impact of the upper leg type.

[0018] The air intake grille air deflector of the present application can not only avoid affecting the vehicle's air intake window, but also provide buffer support for pedestrian leg impacts. Among them, the upper air deflector provides buffer support for the upper part of the pedestrian's thigh, the middle support beam provides buffer support for the middle part of the pedestrian's thigh, and the lower air deflector provides buffer support for the lower part of the pedestrian's thigh. By moderately optimizing the structural stiffness of the upper air deflector, the lower air deflector and the middle support beam, during the impact process, the energy in the frontal collision between the human leg and the vehicle can be absorbed, effectively reducing the impact speed, causing the upper air deflector, the lower air deflector and the middle support beam to absorb energy and deform, and further reducing the kinetic energy when the pedestrian's leg touches the anti-collision beam, thereby effectively reducing the femoral bending moment of the leg shape and achieving the purpose of protecting the pedestrian's leg. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 It is a three-dimensional structure diagram of the air intake grille air deflector in the embodiment of the present application; Figure 2 It is a top view of the structure of the air intake grille air deflector in the embodiment of the present application; Figure 3 It is a bottom view of the structure of the air intake grille air deflector in the embodiment of the present application; Figure 4 It is a partial schematic diagram of the air intake grille air deflector in the embodiment of the present application; Figure 5 It is a cross-sectional view of the structure of the air intake grille air deflector installed between the front bumper and the active air intake grille in the embodiment of the present application; Figure 6 It is a cross-sectional view of the structure of the lower air deflector installed between the front bumper and the active air intake grille in the embodiment of the present application; Figure 7 It is another cross-sectional view of the structure of the lower air deflector installed between the front bumper and the active air intake grille in the embodiment of the present application; Figure 8 It is a cross-sectional view of the structure of the air deflector outer frame installed in front of the active air intake grille in the embodiment of the present application; Figure 9 It is another cross-sectional view of the structure of the air deflector outer frame installed in front of the active air intake grille in the embodiment of the present application.

[0021] Reference numerals: 10. Air deflector outer frame; 11. Upper air deflector; 12. Lower air deflector; 13. Left air deflector; 14. Right air deflector; 20. Intermediate support beam; 21. Air inlet slot; 22. Third reinforcing rib; 23. Notch; 30. Foam; 40. Active intake grille; 50. Front bumper; 60. Anti-collision beam; 100. Air intake grille air deflector; 111. First flanging; 112. Second flanging; 113. Third flanging; 114. First mounting buckle; 115. First reinforcing rib; 121. Fourth flanging; 122. Fifth flanging; 123. Second mounting buckle; 124. Second reinforcing rib. Detailed implementation manners

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some but not all of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0023] The embodiments of the present application provide an air intake grille air deflector and a vehicle that are beneficial to pedestrian leg protection, which can solve the problem in the related art of how to select a reasonable structure in a limited space to change the front structure stiffness of the whole vehicle to absorb the energy during the collision of the pedestrian's leg, so as to reduce the injury to the pedestrian's leg.

[0024] See Figures 1 to 9 As shown in the figure, in the first aspect of the embodiments of the present application, an air intake grille air deflector that is beneficial to pedestrian leg protection is provided. The air intake grille air deflector 100 includes: An air deflector outer frame 10, which includes a left air deflector outer frame and a right air deflector outer frame that are symmetrically arranged. The left air deflector outer frame and the right air deflector outer frame are symmetrically arranged in front of the front active intake grille 40, providing an air flow guide for the front active intake grille 40 and providing a larger air flow rate for the front active intake grille 40. The inner surface of the air deflector outer frame 10 is smooth, which can reduce the flow resistance, guide and smooth the air flow, ensure the air intake utilization efficiency of the front active intake grille 40, and improve the cooling performance.

[0025] Both the left air deflector outer frame and the right air deflector outer frame include an upper air deflector 11, a left air deflector 13, a lower air deflector 12 and a right air deflector 14. The upper air deflector 11, the left air deflector 13, the lower air deflector 12 and the right air deflector 14 are sequentially connected end to end to form a frame structure for air intake and diversion. The air inlet flow area of the left air deflector outer frame and the right air deflector outer frame is larger than the air outlet flow area. The upper air deflector 11, the left air deflector 13, the lower air deflector 12 and the right air deflector 14 are connected to each other to form an air intake diversion channel for guiding the outside air flow into the front active intake grille 40.

[0026] Specifically, the upper air deflector 11 extends obliquely downward towards the lower air deflector 12 from the air inlet to the air outlet direction. The lower air deflector 12 extends horizontally from the air inlet to the air outlet direction. The wall thickness of the lower air deflector 12 gradually thickens from the middle towards the air inlet and the air outlet directions. The wall thickness of the upper air deflector 11 is of equal thickness. The upper air deflector 11 is set as an inclined plane extending obliquely downward from the air inlet to the air outlet direction. This inclined plane is easier to bend and deform during leg impact, which is beneficial to protecting the impact energy of the pedestrian's leg.

[0027] The lower air deflector 12 extends horizontally from the air inlet to the air outlet direction, so that the structural strength of the lower air deflector 12 is greater than that of the upper air deflector 11, avoiding the excessive impact force caused by the pedestrian's leg hitting the anti-collision beam 60 prematurely. The wall thickness of the lower air deflector 12 gradually thickens from the middle towards the air inlet and the air outlet directions. The wall thickness in the middle of the lower air deflector 12 is thin, while the thickness at the air inlet end and the air outlet end of the lower air deflector 12 thickens. In this way, during the impact process, the lower air deflector 12 bends, deforms and absorbs energy at a specific position in the middle.

[0028] In the embodiment of the present application, the thicknesses of both the air inlet end and the air outlet end of the lower air deflector 12 are designed to be 3.5 mm, and the middle area of the lower air deflector 12 gradually thins, and the thinnest material thickness is designed to be 2.5 mm. When the lower air deflector 12 hits the pedestrian's leg, the middle area of the lower air deflector 12 is most likely to collapse and deform, which is beneficial to reducing the impact force on the pedestrian's leg. The middle area of the lower air deflector 12 has good elastic deformation ability. When the impact force disappears, the middle area of the lower air deflector 12 automatically returns to the original state.

[0029] The middle support beam 20 is horizontally located between the upper air deflector 11 and the lower air deflector 12. Both ends of the middle support beam 20 are respectively connected to the left air deflector 13 and the right air deflector 14. An air inlet notch 21 is provided on the middle support beam 20. Both ends of the middle support beam 20 are connected and fixed to the air deflector outer frame 10 through the left air deflector 13 and the right air deflector 14. In order not to affect the normal air intake of the air deflector outer frame 10, an air inlet notch 21 is provided on the middle support beam 20.

[0030] The position of the middle support beam 20 on the air deflector outer frame 10 is located between the upper air deflector 11 and the lower air deflector 12 in the vehicle height direction and in front of the upper air deflector 11 and the lower air deflector 12 in the vehicle length direction. When the vehicle hits the pedestrian's leg, the middle support beam 20 protrudes forward relative to the upper air deflector 11 and the lower air deflector 12, which can provide a better protection effect on the human leg.

[0031] The air intake grille deflector, which is beneficial for pedestrian leg protection in the embodiment of the present application, not only fulfills its basic function of directing airflow to the engine or radiator, but also addresses the harsh conditions of limited buffer space between the front bumper 50 and the active air intake grille 40, high impact energy, and a lack of energy-absorbing structures. By structurally improving and optimizing the upper and lower air deflectors 11, 12 of the air deflector outer frame 10, and adding an intermediate support beam 20 to the air deflector outer frame 10, located between the upper and lower air deflectors 11, 12, the upper and lower air deflectors 11, 12 form a three-point buffering support for pedestrians' legs, effectively reducing damage during upper leg impacts.

[0032] The air intake grille deflector 100 of the present application not only avoids affecting the vehicle's air intake but also provides cushioning support for pedestrians' legs. The upper deflector 11 provides cushioning support for the pedestrian's upper thigh, the intermediate support beam 20 provides cushioning support for the pedestrian's middle thigh, and the lower deflector 12 provides cushioning support for the pedestrian's lower thigh. By appropriately optimizing the structural stiffness of the upper deflector 11, lower deflector 12, and intermediate support beam 20, the energy of a head-on collision between a person's legs and a vehicle can be absorbed during an impact, effectively reducing the impact velocity and causing the upper deflector 11, lower deflector 12, and intermediate support beam 20 to deform due to energy absorption. This in turn reduces the kinetic energy of the pedestrian's legs when they collide with the anti-collision beam 60, effectively reducing the leg-femoral bending moment and achieving the purpose of protecting the pedestrian's legs.

[0033] In some alternative embodiments: See Figures 1 to 9 As shown, an embodiment of the present application provides an air intake grille guide plate that is beneficial to the protection of pedestrian legs. The structural stiffness of the upper air guide plate 11 of the air intake grille guide plate 100 is less than the structural stiffness of the middle support beam 20, and the structural stiffness of the middle support beam 20 is less than the structural stiffness of the lower air guide plate 12.

[0034] The structural rigidity of the upper air deflector 11, middle support beam 20, and lower air deflector 12 in this embodiment is enhanced from top to bottom. When a vehicle strikes a pedestrian's legs, the upper air deflector 11, higher above the ground, provides greater elastic collapse and deformation, preventing excessive impact above the thigh.

[0035] The middle support beam 20 and the lower air guide plate 12, which are lower to the ground, collapse and absorb energy later than the upper air guide plate 11, so that the supporting strength of the middle support beam 20 and the lower air guide plate 12 is greater than that of the upper air guide plate 11, so that the parts above the legs of pedestrians are protected first, and pedestrians can be pushed over the hood to avoid being rolled under the vehicle, thereby improving pedestrian safety.

[0036] In some alternative embodiments: See Figure 1 、 Figure 2 、 Figure 4 and Figure 5As shown in the figure, an air intake grille air deflector that is beneficial to the protection of pedestrians' legs is provided in an embodiment of the present application. A first flanging 111 that turns upward is provided on the upper air deflector 11 of the air intake grille air deflector 100 in the direction close to the air inlet. A second flanging 112 that turns upward is provided on the upper air deflector 11 in the direction close to the air outlet. A third flanging 113 that extends horizontally is provided on the second flanging 112 toward the side away from the upper air deflector 11.

[0037] A plurality of first reinforcing ribs 115 extending from the second flanging 112 toward the first flanging 111 are provided on the upper surface of the upper air deflector 11. One end of the first reinforcing rib 115 is connected to the second flanging 112, and the other end of the first reinforcing rib 115 is spaced from the first flanging 111. The first flanging 111 of the upper air deflector 11 close to the air inlet turns upward. The first flanging 111 can increase the contact surface between the front end of the upper air deflector 11 and the front bumper 50, and also provide an installation surface for the connection between the first flanging 111 and the front bumper 50 through the foam 30.

[0038] A second flanging 112 that turns upward is provided on the upper air deflector 11 in the direction close to the air outlet. A third flanging 113 that extends horizontally is provided on the second flanging 112 toward the side away from the upper air deflector 11. The second flanging 112 and the third flanging 113 are connected to form an "L" - shaped structure. A plurality of first mounting buckles 114 for fixing the upper air deflector 11 to the front active air intake grille 40 are provided on the third flanging 113, and the plurality of first mounting buckles 114 are spaced at intervals along the length direction of the third flanging 113.

[0039] In some alternative embodiments: Refer to Figure 1 、 Figure 3 、 Figures 5 to 7 As shown in the figure, an air intake grille air deflector that is beneficial to the protection of pedestrians' legs is provided in an embodiment of the present application. A fourth flanging 121 that turns downward is provided on the lower air deflector 12 of the air intake grille air deflector 100 in the direction close to the air inlet. A fifth flanging 122 that turns downward is provided on the lower air deflector 12 in the direction close to the air outlet, and the fifth flanging 122 is a circular arc - shaped induced collapse flanging.

[0040] The fourth flanging 121 of the lower air deflector 12 close to the air inlet turns downward. The fourth flanging 121 can increase the contact surface between the front end of the lower air deflector 12 and the front bumper 50, and also provide an installation surface for the connection between the fourth flanging 121 and the front bumper 50 through the foam 30. The fifth flanging 122 of the lower air deflector 12 close to the air outlet turns downward, and the fifth flanging 122 is a circular arc - shaped induced collapse flanging.

[0041] When the lower air deflector 12 hits a pedestrian's leg, the middle area of the lower air deflector 12 first undergoes crushing and energy absorption deformation. After the middle area of the lower air deflector 12 undergoes crushing and energy absorption deformation, the fifth flanging 122 of the lower air deflector 12 then begins to undergo crushing and energy absorption deformation to further protect the pedestrian's leg. The fifth flanging 122 is designed as a circular arc-shaped induced crushing flanging, which is beneficial for the fifth flanging 122 of the lower air deflector 12 to undergo induced crushing and also protects the front active intake grille 40 from being damaged by excessive impact.

[0042] In some alternative embodiments: Refer to Figure 1 、 Figure 3 、 Figures 5 to 7 As shown in

[0043] The bottom surface of the lower air deflector 12 of the embodiment of the present application is provided with a plurality of second reinforcing ribs 124 extending from the fourth flanging 121 towards the fifth flanging 122. One end of the second reinforcing rib 124 is connected to the fourth flanging 121, and the other end of the second reinforcing rib 122 is connected to the fifth flanging 122.

[0044] A plurality of second reinforcing ribs 124 are arranged at intervals in the length direction of the lower air deflector 12, and the width dimension of the second reinforcing rib 124 gradually decreases from the fourth flanging 121 towards the fifth flanging 122. The structural strength of the plurality of second reinforcing ribs 124 gradually decreases from the fourth flanging 121 towards the fifth flanging 122, which is more conducive to the fifth flanging 122 undergoing induced crushing.

[0045] A plurality of second mounting buckles 123 for fixing the lower air deflector 12 to the front active intake grille 40 are provided on the fifth flanging 122, and the plurality of second mounting buckles 123 are arranged at intervals in the length direction of the fifth flanging 122. The plurality of second mounting buckles 123 are used to fix the intake grille air deflector 100 to the front active intake grille 40.

[0046] In some alternative embodiments: Refer to Figure 1 、 Figure 5 、 Figure 8 and Figure 9As shown, the embodiment of the present application provides an air intake grille deflector that facilitates pedestrian leg protection. The cross-section of the middle support beam 20 of the air intake grille deflector 100 is shaped like a "匚" or "C." A plurality of third reinforcing ribs 22 are provided within the middle support beam 20. The plurality of third reinforcing ribs 22 are sequentially spaced along the length of the middle support beam 20 to enhance the strength of the middle support beam 20. A notch 23 is provided on one end of the plurality of third reinforcing ribs 22 that faces the air outlet.

[0047] Multiple fourth reinforcing ribs are connected to the outer sides of the left and right air deflectors 13, 14, which face away from each other. These ribs are spaced apart along the height of the left and right air deflectors 13, 14 to increase the structural strength of the left and right air deflectors 13, 14. The upper air deflector 11, left air deflector 13, lower air deflector 12, and right air deflector 14 are integrally injection-molded.

[0048] See also Figure 5 As shown, a second aspect of an embodiment of the present application provides a vehicle, comprising: The active air intake grille 40 has a front anti-collision beam 60 located below it, and a front bumper 50 located in front of the active air intake grille 40 and the front anti-collision beam 60. An air intake grille deflector 100, described in any of the above embodiments and designed to protect pedestrian legs, is connected between the active air intake grille 40 and the front bumper 50. The inner surface of the front bumper 50 is connected to the air intake grille deflector 100 via foam 30. The air intake grille deflector 100 is located above the anti-collision beam 60 and protrudes in front of it.

[0049] How it works The embodiment of the present application provides an air intake grille deflector and a vehicle that are beneficial to the protection of pedestrian legs. Since the air intake grille deflector that is beneficial to the protection of pedestrian legs is provided with an air deflector outer frame 10, the air deflector outer frame 10 includes an upper air deflector 11, a left air deflector 13, a lower air deflector 12 and a right air deflector 14. The upper air deflector 11, the left air deflector 13, the lower air deflector 12 and the right air deflector 14 are sequentially connected end to end to form a frame structure for air intake and diversion; the upper air deflector 11 is connected from the air inlet to the outlet. The direction of the air outlet is inclined and extends downward toward the direction close to the lower air guide plate, and the lower air guide plate 12 extends horizontally from the air inlet to the air outlet, and the wall thickness of the lower air guide plate 12 gradually thickens from the middle toward the air inlet and the air outlet; the middle support beam 20 is horizontally located between the upper air guide plate 11 and the lower air guide plate 12, and the two ends of the middle support beam 20 are respectively connected to the left air guide plate 13 and the right air guide plate 14, and an air inlet slot 21 is opened on the middle support beam 20.

[0050] In the embodiment of the present application, the intake grille air deflector that is beneficial to pedestrian leg protection, while meeting the basic function of guiding air intake for the engine or radiator, under the harsh conditions of limited buffer space, large impact energy, and few energy absorption structures between the front bumper 50 and the active intake grille 40, through structural improvement and optimization of the upper air deflector 11 and the lower air deflector 12 of the air deflector outer frame 10, and an intermediate support beam 20 is added between the upper air deflector 11 and the lower air deflector 12 on the air deflector outer frame 10. The upper air deflector 11, the lower air deflector 12, and the intermediate support beam 20 form a three-point buffer support for the pedestrian's leg, effectively reducing the injury during the impact of the upper leg form.

[0051] The intake grille air deflector 100 of the present application can not only avoid affecting the air intake of the whole vehicle, but also provide buffer support for the impact of the pedestrian's leg. Among them, the upper air deflector 11 provides buffer support for the upper part of the pedestrian's thigh, the intermediate support beam 20 provides buffer support for the middle part of the pedestrian's thigh, and the lower air deflector 12 provides buffer support for the lower part of the pedestrian's thigh. By moderately optimizing the structural stiffness of the upper air deflector 11, the lower air deflector 12, and the intermediate support beam 20, during the impact, the energy in the frontal collision between the human leg and the vehicle can be absorbed, effectively reducing the impact speed and causing the upper air deflector 11, the lower air deflector 12, and the intermediate support beam 20 to absorb energy and deform, and then the kinetic energy when the pedestrian's leg touches the bumper beam 60 can be reduced, thereby effectively reducing the femoral bending moment of the leg form and achieving the purpose of protecting the pedestrian's leg.

[0052] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application 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, so it cannot be understood as a limitation to the present application. 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 directly connected, or indirectly connected 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 application can be understood according to specific circumstances.

[0053] It should be noted that in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0054] The above are only specific embodiments of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application will not be limited to these embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features claimed herein.

Claims

1. An air intake grille air deflector that is beneficial for pedestrian leg protection, characterized in that, Comprising: An air deflector outer frame (10), the air deflector outer frame (10) includes an upper air deflector (11), a left air deflector (13), a lower air deflector (12) and a right air deflector (14), and the upper air deflector (11), the left air deflector (13), the lower air deflector (12) and the right air deflector (14) are sequentially connected end to end to form a frame structure for guiding air intake; The upper air deflector (11) extends obliquely downward towards the lower air deflector (12) from the air inlet to the air outlet direction, the lower air deflector (12) extends in a horizontal direction from the air inlet to the air outlet direction, and the wall thickness of the lower air deflector (12) gradually thickens from the middle towards the air inlet and the air outlet directions; An intermediate support beam (20), the intermediate support beam (20) is horizontally located between the upper air deflector (11) and the lower air deflector (12), both ends of the intermediate support beam (20) are respectively connected to the left air deflector (13) and the right air deflector (14), and an air inlet slot (21) is provided on the intermediate support beam (20).

2. The air intake grille air deflector for facilitating pedestrian leg protection according to claim 1, characterized in that: The structural stiffness of the upper air deflector (11) is less than the structural stiffness of the intermediate support beam (20), and the structural stiffness of the intermediate support beam (20) is less than the structural stiffness of the lower air deflector (12).

3. The air intake grille air deflector for facilitating pedestrian leg protection according to claim 1, characterized in that: A first flanging (111) that turns upwards is provided in the direction of the air inlet of the upper air deflector (11), a second flanging (112) that turns upwards is provided in the direction of the air outlet of the upper air deflector (11), and a third flanging (113) that extends in a horizontal direction is provided on the side of the second flanging (112) away from the upper air deflector (11); A plurality of first reinforcing ribs (115) extending from the second flanging (112) towards the first flanging (111) are provided on the upper surface of the upper air deflector (11), one end of the first reinforcing rib (115) is connected to the second flanging (112), and the other end of the first reinforcing rib (115) is spaced from the first flanging (111).

4. The air intake grille air deflector for facilitating pedestrian leg protection according to claim 3, characterized in that: A plurality of first mounting buckles (114) for fixing the upper air deflector (11) on the front active air intake grille (40) are provided on the third flanging (113), and the plurality of first mounting buckles (114) are spaced at intervals along the length direction of the third flanging (113).

5. The air intake grille air deflector for facilitating pedestrian leg protection according to claim 1, characterized in that: A fourth flanging (121) that turns downwards is provided in the direction of the air inlet of the lower air deflector (12), a fifth flanging (122) that turns downwards is provided in the direction of the air outlet of the lower air deflector (12), and the fifth flanging (122) is a circular arc-shaped induced collapse flanging.

6. The air intake grille air deflector beneficial to pedestrian leg protection according to claim 5, wherein: On the bottom surface of the lower air deflector (12), there are a plurality of second reinforcing ribs (124) extending from the fourth flanging (121) towards the fifth flanging (122). One end of the second reinforcing rib (124) is connected to the fourth flanging (121), and the other end of the second reinforcing rib (124) is connected to the fifth flanging (122).

7. The air intake grille air deflector beneficial to pedestrian leg protection according to claim 6, wherein: The plurality of second reinforcing ribs (124) are sequentially arranged at intervals along the length direction of the lower air deflector (12), and the width dimension of the second reinforcing rib (124) gradually decreases from the fourth flanging (121) towards the fifth flanging (122); On the fifth flanging (122), there are a plurality of second mounting buckles (123) for fixing the lower air deflector (12) on the front active air intake grille (40). The plurality of second mounting buckles (123) are arranged at intervals along the length direction of the fifth flanging (122).

8. The air intake grille air deflector beneficial to pedestrian leg protection according to claim 1, wherein: The cross-section of the middle support beam (20) is in a "U" shape or a "C" shape. Inside the middle support beam (20), there are a plurality of third reinforcing ribs (22). The plurality of third reinforcing ribs (22) are sequentially arranged at intervals along the length direction of the middle support beam (20). One end of the plurality of third reinforcing ribs (22) facing the air outlet is provided with a notch (23).

9. The air intake grille air deflector beneficial to pedestrian leg protection according to claim 1, wherein: On the outer sides of the left air deflector (13) and the right air deflector (14) away from each other, a plurality of fourth reinforcing ribs are connected. The plurality of fourth reinforcing ribs are arranged at intervals along the height direction of the left air deflector (13) and the right air deflector (14). The upper air deflector (11), the left air deflector (13), the lower air deflector (12), and the right air deflector (14) are of an integrally injection-molded structure.

10. A vehicle, characterized in that, Comprising: An active air intake grille (40), a front bumper beam (60) is provided below the active air intake grille (40), and a front bumper (50) is provided in front of the active air intake grille (40) and the front bumper beam (60); Between the active air intake grille (40) and the front bumper (50), there is connected the air intake grille air deflector (100) beneficial to pedestrian leg protection according to any one of claims 1 to 9; The inner surface of the front bumper (50) is connected to the air intake grille air deflector (100) through a foam (30). The air intake grille air deflector (100) is located above the bumper beam (60) and in front of the bumper beam (60).

Images