Air-inlet grille device and vehicle

Abstract

The invention relates to the technical field of automobiles, in particular to an air-inlet grille device and a vehicle. Wherein the outer matching piece is provided with an air inlet, the first grating and the second grating are oppositely arranged on the two sides of the air inlet in the set direction, the first crank and the second crank are both rotationally connected with the outer matching piece, the first grating is installed on the second crank, and the second grating is installed on the first crank. The first driving assembly is used for driving the second crank and driving the first grille to rotate, the second driving assembly is used for driving the first crank and driving the second grille to rotate, when the first grille is located at the first opening position and the second grille is located at the second opening position, the air inlet is opened, and the first grille and the second grille are both located on the outer side of the air inlet. When the first grid is located at the first closing position and the second grid is located at the second closing position, the first grid and the second grid seal the air inlet. The air inlet grille device can increase the air inlet amount, avoid the air flocculation phenomenon, reduce the wind resistance and improve the heat dissipation performance.

Description

Technical Field

[0001] The present invention relates to the field of automobile technology, and in particular to an air intake grille device and a vehicle. Background Art

[0002] As the concept of energy conservation and emission reduction becomes more popular, it is becoming increasingly important to reduce vehicle driving resistance and improve fuel economy.

[0003] Generally speaking, an active air intake grille is an automotive exterior trim whose grille blades can rotate to change the size of the grille's air inlet. The active air intake grille is set on the car's anti-collision beam and front frame. Its main function is to adjust the air intake volume by instantly controlling the size of the grille opening according to the cooling system's heat dissipation needs when the car is driving, thereby ensuring the thermal balance of the car's engine compartment. When the car engine needs to heat up quickly to reach the operating temperature, the active air intake grille will be closed to reduce the circulation of outside air and the air in the engine compartment, thereby achieving the effect of rapid heating; when the car is driving normally, the active air intake grille will open to meet the air circulation between the outside air and the engine compartment, thereby achieving the purpose of cabin heat dissipation.

[0004] In the prior art, the active air intake grille is provided with a plurality of blades, and the air intake frame sets a plurality of air intake holes at the air intake port, and the blades control the opening and closing of the air intake holes. Due to the existence of the air intake frame, the air intake area of ​​the air intake port is reduced, and the air intake volume is reduced. At the same time, the air intake frame also blocks the airflow, causing air flocculation, increasing wind resistance, and reducing heat dissipation performance.

[0005] Therefore, there is an urgent need for an air intake grille device and a vehicle to solve the above technical problems. Summary of the invention

[0006] The purpose of the present invention is to provide an air intake grille device and a vehicle, which can increase the air intake volume, avoid the air flocculation phenomenon, reduce wind resistance, and improve heat dissipation performance.

[0007] To achieve this object, the present invention adopts the following technical solutions:

[0008] An air intake grille device comprises: an outer fitting, a first grille, a second grille, a first crank, a second crank, a first drive assembly and a second drive assembly, wherein the outer fitting is mounted on a vehicle frame, the outer fitting is provided with an air intake, the first grille and the second grille are relatively arranged on both sides of the air intake along a set direction, the first crank and the second crank are both rotatably connected to the outer fitting, the first grille is mounted on the second crank, and the second grille is mounted on the first crank, the first drive assembly is used to drive the second crank and drive the first grille to rotate, so that the first grille has a first open position and a first closed position, the second drive assembly is used to drive the first crank and drive the second grille to rotate, so that the second grille has a second open position and a second closed position, when the first grille is located at the first open position and the second grille is located at the second open position, the air intake is opened, and the first grille and the second grille are both located outside the air intake, and when the first grille is located at the first closed position and the second grille is located at the second closed position, the first grille and the second grille close the air intake.

[0009] As a preferred technical solution of the above-mentioned air intake grille device, the air intake grille device also includes an air guide member, which is installed on the inner side of the outer matching member, and the air guide member has an air guide channel, one end of the air guide channel is connected to the air inlet, and the other end of the air guide channel faces the radiator.

[0010] As a preferred technical solution of the above-mentioned air intake grille device, when the second grille is located in the second closed position, the inner wall of the air guide channel is provided with a first groove, and the second grille can be embedded in the first groove; when the first grille is located in the first closed position, the inner wall of the air guide channel is provided with a second groove, and the first grille can be embedded in the second groove.

[0011] As a preferred technical solution of the above-mentioned air intake grille device, when the second grille is located in the second closed position, the surface of the second grille is flush with the inner wall of the air guide channel, and when the first grille is located in the first closed position, the surface of the first grille is flush with the inner wall of the air guide channel.

[0012] As a preferred technical solution of the above-mentioned air intake grille device, the inner wall of the air guide channel is provided with a first avoidance hole, which is communicated with the first groove; when the second grille is located in the second open position, the first crank is located outside the air guide channel and embedded in the first avoidance hole; when the second grille is located in the second closed position, one end of the first crank extends out of the first avoidance hole and enters the air guide channel; the inner wall of the air guide channel is provided with a second avoidance hole, which is communicated with the second groove; when the first grille is located in the first open position, the second crank is located outside the air guide channel and embedded in the second avoidance hole; when the first grille is located in the first closed position, one end of the second crank extends out of the second avoidance hole and enters the air guide channel.

[0013] As a preferred technical solution of the above-mentioned air intake grille device, the second driving component includes a first motor, a first rotating shaft, a first gear set and a second rotating shaft, the first rotating shaft is rotatably connected to the external fitting, the first motor is used to drive the first rotating shaft to rotate, the second rotating shaft is rotatably connected to the external fitting, the other end of the first crank is fixedly connected to the second rotating shaft, the two ends of the first gear set are respectively connected to the first rotating shaft and the second rotating shaft, the first driving component includes a second motor, a third rotating shaft, a second gear set and a fourth rotating shaft, the third rotating shaft is rotatably connected to the external fitting, the second motor is used to drive the third rotating shaft to rotate, the fourth rotating shaft is rotatably connected to the external fitting, the other end of the second crank is fixedly connected to the fourth rotating shaft, and the two ends of the second gear set are respectively connected to the third rotating shaft and the fourth rotating shaft.

[0014] As a preferred technical solution of the above-mentioned air intake grille device, the first rotating shaft and the third rotating shaft are both located outside the air intake.

[0015] As a preferred technical solution of the above-mentioned air intake grille device, the air intake grille device also includes a first buffer member and a second buffer member, the first buffer member is arranged on the outer matching member, when the second grille is located at the second open position, the first buffer member is against the first crank, when the second grille is located at the second closed position, the first buffer member is separated from the first crank, when the first grille is located at the first open position, the second buffer member is against the second crank, and when the first grille is located at the first closed position, the second buffer member is separated from the second crank.

[0016] As a preferred technical solution of the above-mentioned air intake grille device, the air intake grille device also includes a plurality of decorative lights, a part of the plurality of decorative lights is arranged on the first grille, and another part of the plurality of decorative lights is arranged on the second grille.

[0017] A vehicle comprises a vehicle frame, and the vehicle further comprises an air intake grille device in any one of the above-mentioned preferred technical solutions, wherein the outer fitting is mounted on the vehicle frame.

[0018] Beneficial effects of the present invention:

[0019] The present invention provides an air intake grille device. The air intake grille device comprises an outer fitting, a first grille, a second grille, a first crank, a second crank, a first drive assembly and a second drive assembly, wherein the outer fitting is mounted on a vehicle frame, an air intake port is provided on the outer fitting, the first grille and the second grille are relatively arranged on both sides of the air intake port along a set direction, the first crank and the second crank are both rotatably connected to the outer fitting, the first grille is mounted on the second crank, the second grille is mounted on the first crank, the first drive assembly is used to drive the second crank and drive the first grille to rotate, so that the first grille has a first open position and a first closed position, the second drive assembly is used to drive the first crank and drive the second grille to rotate, so that the second grille has a second open position and a second closed position, when the first grille is in the first open position and the second grille is in the second open position, the air intake port is opened, and the first grille and the second grille are both located outside the air intake port, and when the first grille is in the first closed position and the second grille is in the second closed position, the first grille and the second grille close the air intake port. Compared with the prior art, the air intake grille device can increase the air intake volume, avoid air flocculation, reduce wind resistance, and improve heat dissipation performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of a closed air intake grille device provided in an embodiment of the present invention Figure 1 ;

[0022] Figure 2 Schematic diagram of the structure of the air intake grille device provided in the embodiment of the present invention being opened Figure 1 ;

[0023] Figure 3 A schematic diagram of a closed air intake grille device according to an embodiment of the present invention Figure 2 ;

[0024] Figure 4 Schematic diagram of the structure of the air intake grille device provided in the embodiment of the present invention being opened Figure 2 ;

[0025] Figure 5 Schematic diagram of the structure of the first drive assembly and the second drive assembly provided in an embodiment of the present invention Figure 1 ;

[0026] Figure 6 Schematic diagram of the structure of the first drive assembly and the second drive assembly provided in the embodiment of the present invention Figure 2 ;

[0027] Figure 7 A structural cross-sectional view of an embodiment of the present invention with the second grille opened;

[0028] Figure 8 A schematic diagram of the structure of a first grid provided by an embodiment of the present invention;

[0029] Fig. 9 A schematic structural diagram of a second grid provided in an embodiment of the present invention.

[0030] In the figure:

[0031] 1. External fittings; 101. Air inlet; 2. First grille; 3. Second grille; 4. Air guide; 41. First groove; 42. First avoidance hole; 43. Top plate; 44. Bottom plate; 45. Side plate; 5. First crank; 6. First buffer; 7. First motor; 8. First rotating shaft; 9. First gear set; 10. Second rotating shaft; 11. Decorative lamp; 12. Second crank; 13. Second motor; 14. Third rotating shaft; 15. Second gear set; 16. Fourth rotating shaft; 17. Controller. DETAILED DESCRIPTION

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0036] like Figures 1 to 9 As shown, the present invention provides an air intake grille device. The air intake grille device comprises: an outer fitting 1, a first grille 2, a second grille 3, a first crank 5, a second crank 12, a first drive assembly and a second drive assembly.

[0037] Specifically, the outer fitting 1 is installed on the frame, and the outer fitting 1 is provided with an air inlet 101. The first grille 2 and the second grille 3 are relatively arranged on both sides of the air inlet 101 along a set direction. The first crank 5 and the second crank 12 are both rotatably connected to the outer fitting 1. The first grille 2 is installed on the second crank 12, and the second grille 3 is installed on the first crank 5. The first driving component is used to drive the second crank 12 and drive the first grille 2 to rotate, so that the first grille 2 has a first open position and a first closed position. The second driving component is used to drive the first crank 5 and drive the second grille 3 to rotate, so that the second grille 3 has a second open position and a second closed position. When the first grille 2 is located at the first open position and the second grille 3 is located at the second open position, the air inlet 101 is opened, and the first grille 2 and the second grille 3 are both located on the outside of the air inlet 101. When the first grille 2 is located at the first closed position and the second grille 3 is located at the second closed position, the first grille 2 and the second grille 3 close the air inlet 101. Compared with the prior art, the air intake grille device can increase the air intake volume, avoid air flocculation, reduce wind resistance, and improve heat dissipation performance.

[0038] Optionally, the air intake grille device further includes an air guide 4, which is installed on the inner side of the outer fitting 1, and has an air guide channel, one end of which is connected to the air inlet 101, and the other end of which faces the radiator. Specifically, the air guide 4 is surrounded by a top plate 43, a bottom plate 44, and two side plates 45, one end of which is fixed to the inner side of the outer fitting 1, and the other end of which faces the radiator. It is possible to guide the external airflow to the radiator, thereby improving the heat dissipation efficiency.

[0039] Optionally, when the second grille 3 is located at the second closed position, the inner wall of the air guide passage is provided with a first groove 41, and the second grille 3 can be embedded in the first groove 41; when the first grille 2 is located at the first closed position, the inner wall of the air guide passage is provided with a second groove, and the first grille 2 can be embedded in the second groove; when the second grille 3 is located at the second closed position, the surface of the second grille 3 is flush with the inner wall of the air guide passage; when the first grille 2 is located at the first closed position, the surface of the first grille 2 is flush with the inner wall of the air guide passage. Specifically, the bottom plate 44 is provided with a first groove 41, and the contour of the first groove 41 is the same as the contour of the second grille 3. The second grille 3 can be rotated and set in the first groove 41, so that the upper surface of the bottom plate 44 is flush with the upper side surface of the second grille 3, thereby improving the aesthetics of the air intake grille device after the air intake port 101 is opened, and at the same time, it can reduce wind resistance, so that the airflow can smoothly enter the air guide member 4. Furthermore, the top plate 43 is provided with a second groove, the contour of the second groove is the same as the contour of the first grille 2 , and the first grille 2 can be rotatably disposed in the second groove so that the lower surface of the top plate 43 is flush with the lower edge of the first grille 2 .

[0040] Optionally, in this embodiment, the air intake grille device is provided with two first cranks 5, the two first cranks 5 are arranged at intervals, one end of the two first cranks 5 is fixedly connected to the second grille 3, and the other end of the two first cranks 5 is transmission-connected to the second driving assembly, which can improve the rotation stability of the second grille 3. Of course, in some other embodiments, the number of the first cranks 5 is determined according to actual conditions, which will not be repeated here.

[0041] Furthermore, the air intake grille device is provided with two second cranks 12, the two second cranks 12 are arranged at intervals, one end of the two second cranks 12 is fixedly connected to the first grille 2, and the other end of the two second cranks 12 is transmission-connected to the first driving assembly, and the first driving assembly can drive the second cranks 12 to rotate, which can improve the stability of the rotation of the first grille 2. Of course, in some other embodiments, the number of the second cranks 12 is determined according to actual conditions, which will not be repeated here.

[0042] Optionally, a first avoidance hole 42 is provided on the inner wall of the air guiding channel, and the first avoidance hole 42 is communicated with the first groove 41. When the second grille 3 is located in the second open position, the first crank 5 is located outside the air guiding channel and embedded in the first avoidance hole 42. When the second grille 3 is located in the second closed position, one end of the first crank 5 extends out of the first avoidance hole 42 and enters the air guiding channel. A second avoidance hole is provided on the inner wall of the air guiding channel, and the second avoidance hole is communicated with the second groove. When the first grille 2 is located in the first open position, the second crank 12 is located outside the air guiding channel and embedded in the second avoidance hole. When the first grille 2 is located in the first closed position, one end of the second crank 12 extends out of the second avoidance hole and enters the air guiding channel. Specifically, the bottom of the first groove 41 is provided with two first avoidance holes 42, and the two first avoidance holes 42 are arranged in a one-to-one correspondence with the two first cranks 5, which can avoid the first cranks 5 and avoid the influence of the bottom plate 44 on the first cranks 5 during the rotation of the first cranks 5, so that the first cranks 5 can rotate smoothly. Further, the bottom of the second groove is provided with two second through holes, and the two second through holes are arranged in a one-to-one correspondence with the two second cranks 12, which can avoid the second cranks 12 and avoid the influence of the top plate 43 on the second cranks 12 during the rotation of the second cranks 12, so that the second cranks 12 can rotate smoothly.

[0043] Optionally, the air intake grille device further comprises a first buffer 6 and a second buffer, wherein the first buffer 6 is arranged on the outer fitting 1, and when the second grille 3 is located at the second open position, the first buffer 6 abuts against the first crank 5, and when the second grille 3 is located at the second closed position, the first buffer 6 is separated from the first crank 5, and when the first grille 2 is located at the first open position, the second buffer abuts against the second crank 12, and when the first grille 2 is located at the first closed position, the second buffer is separated from the second crank 12. Specifically, the air intake grille device is provided with two first buffers 6, and the two first buffers 6 are arranged in a one-to-one correspondence with the two first cranks 5, and the first buffer 6 is installed on the outer fitting 1, and when the air inlet 101 is opened, the first buffer 6 is located below the first crank 5, and the first crank 5 can abut against the first buffer 6 to limit the movement of the first crank 5, and at the same time can protect the first crank 5 and prevent the first crank 5 from being damaged.

[0044] Furthermore, the air intake grille device is also provided with two second buffers, and the two second buffers are arranged in one-to-one correspondence with the two second cranks 12. The second buffers are installed on the outer matching part 1. When the air intake port 101 is opened, the second buffers are located above the second cranks 12. The second cranks 12 can be offset against the second buffers to limit the movement of the second cranks 12, and at the same time can protect the second cranks 12 and prevent the second cranks 12 from being damaged.

[0045] Optionally, the first buffer member 6 and the second buffer member are both made of rubber.

[0046] Optionally, the second drive assembly includes a first motor 7, a first shaft 8, a first gear set 9 and a second shaft 10, the first shaft 8 is rotatably connected to the outer fitting 1, the first motor 7 is used to drive the first shaft 8 to rotate, the second shaft 10 is rotatably connected to the outer fitting 1, the other end of the first crank 5 is fixedly connected to the second shaft 10, and the two ends of the first gear set 8 are respectively connected to the first shaft 8 and the second shaft 10, the first drive assembly includes a second motor 13, a third shaft 14, a second gear set 15 and a fourth shaft 16, the third shaft 14 is rotatably connected to the outer fitting 1, the second motor 13 is used to drive the third shaft 14 to rotate, the fourth shaft 16 is rotatably connected to the outer fitting 1, the other end of the second crank 12 is fixedly connected to the fourth shaft 16, and the two ends of the second gear set 15 are respectively connected to the third shaft 14 and the fourth shaft 16; the first shaft 8 and the third shaft 14 are both located on the outside of the air inlet 101. Specifically, the first shaft 8 is rotatably connected to the outer fitting 1, the first motor 7 is used to drive the first shaft 8 to rotate, the other ends of the two first cranks 5 are fixedly connected to the second shaft 10, and the two ends of the first gear set 8 are respectively connected to the first shaft 8 and the second shaft 10, so as to accurately control the rotation angle of the first crank 5, thereby accurately controlling the rotation angle of the second grille 3, and controlling the size of the opening of the air inlet 101, thereby controlling the size of the airflow; and, the first motor 7 has a rapid output, and the deceleration effect of the first gear set 8 can reduce the rotation speed of the second grille 3 to prevent the second grille 3 from being damaged by impact due to excessive speed. At the same time, the first gear set 8 can improve the wind resistance of the second grille 3 to prevent the airflow from rushing the second grille 3 open.

[0047] Furthermore, the third rotating shaft 14 is rotatably connected to the outer fitting 1, and the second motor 13 is used to drive the third rotating shaft 14 to rotate. The other ends of the two second cranks 12 are fixedly connected to the fourth rotating shaft 16, and the two ends of the second gear set 15 are respectively connected to the third rotating shaft 14 and the fourth rotating shaft 16, so as to accurately control the rotation angle of the second crank 12, thereby accurately controlling the rotation angle of the first grille 2, and controlling the size of the opening of the air inlet 101, thereby controlling the size of the airflow; and, the second motor 13 has a rapid output, and the deceleration effect of the second gear set 15 can reduce the rotation speed of the first grille 2 to prevent the first grille 2 from being damaged by impact due to excessive speed. At the same time, the second gear set 15 can improve the wind resistance of the first grille 2 to prevent the airflow from rushing the first grille 2 open.

[0048] Optionally, the air intake grille device further includes a plurality of decorative lights 11, a portion of which is arranged on the first grille 2, and another portion of which is arranged on the second grille 3, so that the air intake grille device increases the lighting mode of the lamps, enhances the sense of technology, and meets the needs of users. In this embodiment, three rows of decorative lights 11 are arranged in parallel on the first grille 2, and the size of each row of decorative lights 11 is different, and gradually increases from top to bottom along the width direction of the first grille 2; four rows of decorative lights 11 are arranged in parallel on the second grille 3, and the size of each row of decorative lights 11 is different, and gradually decreases from top to bottom along the width direction of the second grille 3. Of course, in some other embodiments, the number, arrangement structure and color of the decorative lights 11 are determined according to actual conditions, which will not be repeated here.

[0049] Optionally, the air intake grille device also includes a controller 17, which is communicatively connected to the first motor 7, the second motor 13 and the plurality of decorative lights 11. When the controller 17 receives a grille air intake ventilation instruction, the controller 17 simultaneously sends instructions to the first motor 7 and the second motor 13, and the first motor 7 and the second motor 13 control the second grille 3 and the first grille 2 to rotate, so that the air intake 101 is opened, until the first crank 5 and the second crank 12 respectively contact and limit with the corresponding first buffer member 6, and the movement of the second grille 3 and the first grille 2 stops. At this time, the airflow flows into the interior of the vehicle through the air intake 101, and the airflow is directly sent to the radiator through the air guide member 4, thereby improving heat dissipation efficiency and reducing the amount of airflow entering the vehicle. The resistance caused by the turbulence formed inside; when the controller 17 receives the grille closing instruction, the controller 17 sends instructions to the first motor 7 and the second motor 13 at the same time, and the first motor 7 and the second motor 13 control the second grille 3 and the first grille 2 to rotate until the air inlet 101 is closed; when the controller 17 receives the grille lamp lighting instruction, if the air intake grille device is in the closed state at this time, the user can use the scene setting to make several decorative lights 11 show different effects for different scenes, for example, for the welcoming scene, the flowing water can be lit, and for the user in the cab, the starry sky can be twinkling and other effects can be achieved; if the air intake grille device is in the open state at this time, the air intake grille device is first closed and then the lamp lighting mode is started.

[0050] In this embodiment, the controller 17 can be a centralized or distributed controller 17. For example, the controller 17 can be a single single-chip microcomputer or a plurality of distributed single-chip microcomputers. The control program can be run in the single-chip microcomputer to control each component to realize its function.

[0051] Furthermore, the air intake grille device also includes a voltage converter, which is arranged between the controller 17 and a number of decorative lights 11. The several decorative lights 11 are all suitable for 12V voltage. When the external power supply is 12V, the voltage converter does not work; when the external power supply is 24V, the voltage converter can convert the voltage into 12V, thereby ensuring the normal operation of the decorative lights 11 and preventing the decorative lights 11 from being damaged.

[0052] The present invention also provides a vehicle, including a vehicle frame, the vehicle also includes the air intake grille device in any of the above embodiments, the outer fitting 1 is installed on the vehicle frame, and the vehicle also includes other necessary components that constitute the vehicle in the prior art.

[0053] In addition, the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An air intake grille device, characterized in that: include: An outer fitting (1), a first grille (2), a second grille (3), a first crank (5), a second crank (12), a first drive assembly and a second drive assembly, wherein the outer fitting (1) is mounted on a vehicle frame, the outer fitting (1) is provided with an air inlet (101), the first grille (2) and the second grille (3) are relatively arranged on both sides of the air inlet (101) along a set direction, the first crank (5) and the second crank (12) are both rotatably connected to the outer fitting (1), the first grille (2) is mounted on the second crank (12), the second grille (3) is mounted on the first crank (5), and the first drive assembly is used to drive the second crank (12) and drive the first grille (2) to rotate so that the The first grille (2) has a first open position and a first closed position; the second driving assembly is used to drive the first crank (5) and drive the second grille (3) to rotate, so that the second grille (3) has a second open position and a second closed position; when the first grille (2) is located at the first open position and the second grille (3) is located at the second open position, the air inlet (101) is opened, and the first grille (2) and the second grille (3) are both located outside the air inlet (101); when the first grille (2) is located at the first closed position and the second grille (3) is located at the second closed position, the first grille (2) and the second grille (3) close the air inlet (101).

2. The air intake grille device according to claim 1, characterized in that: The air intake grille device also includes an air guide member (4), which is installed on the inner side of the outer matching member (1), and has an air guide channel, one end of which is connected to the air intake port (101), and the other end of which faces the radiator.

3. The air intake grille device according to claim 2, characterized in that: When the second grille (3) is located at the second closed position, the inner wall of the air guide channel is provided with a first groove (41), and the second grille (3) can be embedded in the first groove (41); when the first grille (2) is located at the first closed position, the inner wall of the air guide channel is provided with a second groove, and the first grille (2) can be embedded in the second groove.

4. The air intake grille device according to claim 3, characterized in that: When the second grille (3) is located in the second closed position, the surface of the second grille (3) is flush with the inner wall of the air guide channel, and when the first grille (2) is located in the first closed position, the surface of the first grille (2) is flush with the inner wall of the air guide channel.

5. The air intake grille device according to claim 3, characterized in that: The inner wall of the air guiding channel is provided with a first avoidance hole (42), the first avoidance hole (42) is communicated with the first groove (41), when the second grille (3) is located at the second open position, the first crank (5) is located outside the air guiding channel and is embedded in the first avoidance hole (42), when the second grille (3) is located at the second closed position, one end of the first crank (5) extends out of the first avoidance hole (42) and enters the air guiding channel, the inner wall of the air guiding channel is provided with a second avoidance hole, the second avoidance hole is communicated with the second groove, when the first grille (2) is located at the first open position, the second crank (12) is located outside the air guiding channel and is embedded in the second avoidance hole, when the first grille (2) is located at the first closed position, one end of the second crank (12) extends out of the second avoidance hole and enters the air guiding channel.

6. The air intake grille device according to claim 5, characterized in that: The second driving assembly comprises a first motor (7), a first rotating shaft (8), a first gear set (9) and a second rotating shaft (10); the first rotating shaft (8) is rotatably connected to the outer fitting (1); the first motor (7) is used to drive the first rotating shaft (8) to rotate; the second rotating shaft (10) is rotatably connected to the outer fitting (1); the other end of the first crank (5) is fixedly connected to the second rotating shaft (10); the two ends of the first gear set (8) are respectively connected to the first rotating shaft (8) and the second rotating shaft (10); the first The driving assembly comprises a second motor (13), a third rotating shaft (14), a second gear set (15) and a fourth rotating shaft (16); the third rotating shaft (14) is rotatably connected to the outer fitting (1); the second motor (13) is used to drive the third rotating shaft (14) to rotate; the fourth rotating shaft (16) is rotatably connected to the outer fitting (1); the other end of the second crank (12) is fixedly connected to the fourth rotating shaft (16); and the two ends of the second gear set (15) are respectively connected to the third rotating shaft (14) and the fourth rotating shaft (16).

7. The air intake grille device according to claim 6, characterized in that: The first rotating shaft (8) and the third rotating shaft (14) are both located outside the air inlet (101).

8. The air intake grille device according to claim 1, characterized in that: The air intake grille device further comprises a first buffer member (6) and a second buffer member, wherein the first buffer member (6) is arranged on the outer fitting member (1); when the second grille (3) is located at the second open position, the first buffer member (6) abuts against the first crank (5); when the second grille (3) is located at the second closed position, the first buffer member (6) is separated from the first crank (5); when the first grille (2) is located at the first open position, the second buffer member abuts against the second crank (12); when the first grille (2) is located at the first closed position, the second buffer member is separated from the second crank (12).

9. An air intake grille device according to any one of claims 1 to 8, characterized in that: The air intake grille device further comprises a plurality of decorative lights (11), a portion of the plurality of decorative lights (11) being arranged on the first grille (2), and another portion of the plurality of decorative lights (11) being arranged on the second grille (3).

10. A vehicle, comprising a frame, characterized in that: The vehicle further comprises an air intake grille device as claimed in any one of claims 1 to 9, and the outer fitting (1) is mounted on the vehicle frame.

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