An external air intake grille, a control method thereof and a vehicle

Abstract

The application discloses an external air inlet grille, a control method thereof and a vehicle. The external air inlet grille comprises a frame, at least one air inlet, at least one blade in the corresponding air inlet, a first gear on the end of the at least one blade, a rotating member rotatably arranged on the frame, a gear portion on the side of the rotating member facing the first gear, the gear portion being engaged with the first gear, a groove on the side of the rotating member away from the first gear, an oscillating arm movably arranged in the groove, and a driving assembly for driving the oscillating arm to rotate. The application drives the oscillating arm to rotate, the oscillating arm moves in the groove, the oscillating arm slides relative to the groove, the rotating member is driven to rotate, and the blade is driven to rotate through the first gear. The driving assembly can accurately control the rotating angle of the oscillating arm, the sliding distance of the oscillating arm relative to the groove, the rotating angle of the rotating member, and the rotating angle of the blade, thereby accurately controlling the air intake of the air inlet.

Description

Technical Field

[0001] This application relates to the field of automotive technology, specifically to an external air intake grille and its control method, and a vehicle. Background Technology

[0002] Cars typically have an air intake grille at the front. The air entering the grille helps cool the front of the car, but too much air intake increases wind resistance and causes more energy consumption. Adjusting the air intake grille can balance the vehicle's cooling and wind resistance.

[0003] In existing technologies, the air intake grille cannot precisely control the amount of air intake when adjusting the air intake volume. Summary of the Invention

[0004] This application provides an external air intake grille and its control method, as well as a vehicle, to solve the technical problem in the related art that external air intake grilles cannot accurately control the amount of air intake.

[0005] The first aspect of this application provides an external air intake grille, including:

[0006] The frame has at least one air inlet;

[0007] At least one blade is rotatably mounted on the frame and located within a corresponding air inlet; at least one blade has a first gear at its end;

[0008] A rotating component is rotatably mounted on the frame; the rotating component has teeth on the side facing the first gear, and the teeth mesh with the first gear; the rotating component has a groove on the side away from the first gear.

[0009] A swing arm is located within the tank and moves within the tank.

[0010] A drive component is disposed on the frame and is used to drive the swing arm to rotate.

[0011] According to the above-mentioned technical means, by driving the swing arm to rotate, the swing arm moves within the tank. The swing arm slides relative to the tank, thus driving the rotating component to rotate, which in turn drives the blades to rotate via the first gear. The drive assembly can precisely control the angle of the swing arm's rotation, thereby precisely controlling the distance the swing arm slides relative to the tank, and consequently precisely controlling the angle of the rotating component's rotation. Ultimately, this allows for precise control of the blades' rotation angle, achieving accurate control of the air intake volume at the air inlet.

[0012] Optionally, the blade includes: two active blades, respectively located on both sides of the rotating member, and the first gear is disposed on the active blade; the blade has two teeth, and the two teeth respectively mesh with the first gears of the two active blades.

[0013] Based on the aforementioned technical means, employing two active blades can shorten the length of a single active blade, avoiding torsional deformation caused by excessively long active blades. A single drive assembly rotates two first gears, thereby driving the two active blades to rotate, simplifying the structure, reducing the number of drive components, and lowering costs.

[0014] Optionally, the blade further includes a plurality of driven blades, the driven blades being rotatably connected to the driving blade via a connecting rod.

[0015] According to the above-mentioned technical means, when the active blade rotates, it will drive the connecting rod to move. The rotation of the active blade will drive the connecting rod to move, thus increasing the number of blades.

[0016] Optionally, several of the driven blades are located on both sides of the active blade.

[0017] According to the above technical means, multiple driven blades are located on both sides above and below the active blade, so that the active blade is located between multiple driven blades, and the connecting rod is not easily deformed.

[0018] Optionally, the frame is provided with at least one grid strip; the first end of the blade abuts against the grid strip, and the second end of the blade is rotatable to abut against an adjacent grid strip.

[0019] Based on the above technical means, the grille holes corresponding to the blades can be sealed to reduce the air intake to the minimum.

[0020] Optionally, the second end of the blade can be rotated to the plane where the grid bar is located.

[0021] Using the aforementioned technical means, the blades and corresponding grille bars are located on the same plane, allowing the grille bars to conceal the blades while maximizing the air intake. The grille bars effectively protect the blades.

[0022] Optionally, the frame includes an interconnected frame shell and a frame body, with decorative element mounting positions formed on the frame shell or the grille strip.

[0023] According to the above-mentioned technical means, the frame shell can be exposed on the exterior of the vehicle, and the vehicle's decorative parts can be fitted onto the grille strips or frame shell.

[0024] Optionally, the rotation radius of the teeth is greater than the radius of the first gear; and / or the rotation radius of the groove is greater than the rotation radius of the teeth.

[0025] Based on the aforementioned technical methods, increasing the rotation radius of the teeth facilitates the smooth rotation of each blade. The rotation radius of the groove is greater than that of the teeth; utilizing the lever principle, this makes it easier for the swing arm to drive the teeth to rotate, further facilitating the smooth rotation of each blade.

[0026] Optionally, the swing arm includes:

[0027] A rotating arm is connected to the rotating assembly;

[0028] The ball head is disposed on the rotating arm and located in the groove.

[0029] According to the above technical means, the rotating arm can rotate, driving the ball head to rotate, causing the rotating component to rotate, and driving the blade to rotate. When the blade rotates from the closed state to the fully open state, the torque of the rotating component first increases and then decreases; when the blade rotates from the fully open state to the closed state, the torque of the rotating component first increases and then decreases, which is conducive to the smooth opening or full closing of the blade.

[0030] Optionally, the driving component includes:

[0031] A driver is provided in the frame;

[0032] The second gear is disposed on the output shaft of the driver;

[0033] A drive shaft is rotatably mounted on the frame and connected to the rotating arm;

[0034] The third gear is disposed on the drive shaft;

[0035] The second gear meshes with the third gear.

[0036] According to the above technical means, when the output shaft of the driver rotates, it drives the second gear to rotate, which in turn drives the third gear and the transmission shaft to rotate, thereby driving the rotating arm to rotate. That is, the driving force of the driver is transmitted to the rotating arm through the transmission shaft, so as to realize the rotation of the rotating arm.

[0037] Optionally, a limiting protrusion is provided on the drive shaft; a baffle is provided on the frame, and the baffle limits the limiting protrusion.

[0038] According to the above technical means, a limiting protrusion is set on the drive shaft, and a baffle is set on the frame. The baffle blocks the limiting protrusion, thereby limiting the rotation range of the drive shaft.

[0039] Optionally, the framework includes:

[0040] Frame and shell;

[0041] The frame body is disposed within the frame shell;

[0042] The first bracket is disposed on the outer shell of the frame;

[0043] The second bracket is disposed on the first bracket;

[0044] The driver is disposed on the first bracket;

[0045] The drive shaft is located between the first bracket and the second bracket;

[0046] The rotating component is rotatably mounted on the second bracket.

[0047] According to the above technical means, the frame shell is located at the front of the vehicle, and the frame body is specifically set inside the frame shell. The first bracket is used to install the drive assembly, and the second bracket is used to install the rotating parts, so as to realize the installation of the driver, the drive shaft and the rotating parts.

[0048] Optionally, the frame body is provided with shaft holes and shaft grooves;

[0049] The frame further includes a pressure plate, which is disposed at a position corresponding to the shaft groove on the frame body;

[0050] The blade is provided with a first rotating shaft and a second rotating shaft at its two ends, respectively;

[0051] The first rotating shaft is inserted into the shaft hole;

[0052] The pressure plate confines the second rotating shaft within the shaft groove.

[0053] According to the above-mentioned technical means, the first rotating shaft and the first gear pass through the shaft hole, the second rotating shaft is placed in the shaft groove and pressed by the pressure plate to limit the second rotating shaft, so as to realize the rotational connection between the blade and the frame body, which facilitates the installation and disassembly of the blade.

[0054] A second aspect of this application provides a vehicle including an external air intake grille as described in the above embodiments.

[0055] A third aspect of this application provides a method for controlling an external air intake grille, comprising the following steps:

[0056] Obtain temperature information;

[0057] Based on the temperature information, the drive assembly controls the rotation of the blades to adjust the air intake volume at the air inlet.

[0058] Based on the above technical means, the engine temperature and vehicle wind resistance are balanced, which will not cause the engine temperature to be too high or the vehicle wind resistance to be too high.

[0059] Optionally, the step of controlling the blade rotation via the drive assembly based on the temperature information to adjust the air intake volume at the air inlet includes:

[0060] When the temperature exceeds the first preset temperature, the blades are rotated by the drive component to increase the air intake volume at the air inlet.

[0061] When the temperature information is lower than the second preset temperature, the blades are rotated by the drive component to reduce the air intake volume at the air inlet; wherein, the second preset temperature is lower than the first preset temperature.

[0062] When the temperature information is less than or equal to the first preset temperature and greater than or equal to the second preset temperature, the air intake volume of the air inlet is maintained.

[0063] According to the above technical means, if the temperature is too high, the intake volume of the air inlet needs to be increased; if the temperature is low, there is no need to cool the engine, and the intake volume of the air inlet can be reduced to reduce wind resistance; if the temperature information is between the first preset temperature and the second preset temperature, the intake volume of the air inlet is maintained; thereby achieving a balance between wind resistance and temperature.

[0064] The beneficial effects of this application are:

[0065] This application utilizes a drive arm to rotate, which moves within the tank. The arm slides relative to the tank, causing a rotating component to rotate, which in turn drives the blades to rotate via the first gear. The drive assembly can precisely control the angle of the arm's rotation, thus precisely controlling the distance the arm slides relative to the tank, and consequently, precisely controlling the angle of the rotating component's rotation. Ultimately, this controls the angle of the blades' rotation, achieving accurate control of the air intake volume. Attached Figure Description

[0066] Figure 1 This is an axonometric view of the external air intake grille in an embodiment of the present invention;

[0067] Figure 2 This is an exploded view of the external air intake grille in an embodiment of the present invention;

[0068] Figure 3 This is a front view of the external air intake grille in an embodiment of the present invention;

[0069] Figure 4 yes Figure 3 The cross-sectional view shown at position AA (top section);

[0070] Figure 5 This is the main view of the frame body in an embodiment of the present invention;

[0071] Figure 6 This is an exploded view of the frame body and blades in an embodiment of the present invention;

[0072] Figure 7 This is a side view of the frame body in an embodiment of the present invention;

[0073] Figure 8 Is Figure 7 Rotate the view from top B;

[0074] Figure 9 yes Figure 8 The sectional view indicated by the upper CC cutting position;

[0075] Figure 10 yes Figure 8 A sectional view representing the cutting position at the top DD;

[0076] Figure 11 yes Figure 8 A sectional view representing the cutting position at the upper JJ section;

[0077] Figure 12 This is a front view of the first bracket, the second bracket, and the rotating component in an embodiment of the present invention;

[0078] Figure 13 yes Figure 12 A sectional view representing the sectioning position of the upper EE section;

[0079] Figure 14 This is an exploded view of the first bracket, the second bracket, the rotating component, and the driver in an embodiment of the present invention;

[0080] Figure 15 This is a side view of the first bracket, the second bracket, the rotating component, and the driver in an embodiment of the present invention;

[0081] Figure 16 yes Figure 15 A partial sectional view representing the sectioning position indicated by the upper FF section;

[0082] Figure 17 This is a front view of each blade in a semi-open, semi-closed state in an embodiment of the present invention;

[0083] Figure 18 yes Figure 17 The sectional view indicated by the upper GG section position;

[0084] Figure 19 This is a front view of each blade in the closed state in an embodiment of the present invention;

[0085] Figure 20 yes Figure 19 The sectional view indicated by the upper HH section position.

[0086] Among them, 1-frame; 11-frame shell; 12-frame body; 121-grid strip; 13-first bracket; 131-baffle; 14-second bracket; 15-pressure plate; 16-air inlet; 17-screw; 2-blade; 21-active blade; 211-first gear; 22-driven blade; 3-rotating component; 31-tooth; 32-groove; 33-fixing pin; 34-washer; 35-nut; 4-swing arm; 41-rotating arm; 42-ball head; 5-drive assembly; 51-driver; 52-third gear; 53-drive shaft; 531-limiting protrusion; 54-washer; 55-cotter pin; 56-nut with washer; 57-motor fixing clip; 6-connecting rod. Detailed Implementation

[0087] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0088] The following description, with reference to the accompanying drawings, describes an external air intake grille according to an embodiment of this application. Addressing the problem mentioned in the background art regarding the difficulty in accurately adjusting the air intake volume of air intake grilles, this application provides an external air intake grille. A drive assembly can drive a swing arm to move within a groove, causing a rotating component to rotate, which in turn drives the first gear and blades to rotate, thereby controlling the angle of blade rotation and precisely controlling the amount of gas entering the air intake. This solves the technical problem of the difficulty in accurately adjusting the air intake volume of air intake grilles in related technologies.

[0089] Please also refer to Figures 1-20 This application provides some embodiments of an external air intake grille.

[0090] like Figures 1-4 as well as Figure 13 As shown, the external air intake grille of this application includes: a frame 1, a rotating member 3, a swing arm 4, a drive assembly 5, and at least one blade 2. The frame 1 has at least one air inlet 16, the blade 2 is rotatably disposed on the frame 1 and located within the corresponding air inlet 16, and the end of at least one blade 2 is provided with a first gear 211; the rotating member 3 is rotatably disposed on the frame 1, the side of the rotating member 3 facing the first gear 211 is provided with a tooth 31, and the side of the rotating member 3 away from the first gear 211 is provided with a groove 32, the tooth 31 meshing with the first gear 211, and the swing arm 4 located within the groove 32 and moving within the groove 32. The drive assembly 5 is disposed on the frame 1 and is used to drive the swing arm 4 to rotate.

[0091] Specifically, frame 1 is located at the front of the vehicle. During vehicle operation, the front of the car acts as the windward surface, allowing air to enter the car through the air intake 16 and reach the engine, thereby cooling the engine. The number of air intakes 16 and the number of blades 2 can be the same or different. Blades 2 can completely cover the corresponding air intake 16, thus sealing it off, or they can partially cover the corresponding air intake 16, adjusting the air intake volume of the air intake 16 to the minimum. Of course, blades 2 can also rotate to completely open the air intake 16, adjusting the air intake volume of the air intake 16 to the maximum. The air intake volume of the air intake 16 can be precisely controlled by precisely controlling the rotation angle of the blades 2. Since the rotation direction of the blades 2 and the rotation direction of the drive assembly 5 are not exactly the same, this application drives the swing arm 4 to rotate. The swing arm 4 moves within the groove 32. The swing arm 4 slides relative to the groove 32, thus driving the rotating component 3 to rotate, which in turn drives the blades 2 to rotate through the first gear 211. The drive assembly 5 can precisely control the rotation angle of the swing arm 4, which in turn precisely controls the sliding distance of the swing arm 4 relative to the groove 32, thereby precisely controlling the rotation angle of the rotating part 3, and finally controlling the rotation angle of the blade 2, thus achieving the effect of accurately controlling the intake volume of the air inlet 16.

[0092] The drive assembly 5 can drive one or more first gears 211 to rotate, which in turn drives one or more blades 2 to rotate. The ends of other blades 2 may not be provided with first gears 211, but can be rotatably connected to the blades 2 provided with first gears 211, so that the blades 2 provided with first gears 211 drive the blades 2 without first gears 211 to rotate.

[0093] The blade 2 can be arranged to extend laterally, in which case the rotation direction of the blade 2 is located in a vertical plane, the rotation direction of the first gear 211 and the rotating component 3 is also located in this vertical plane, and the rotation direction of the swing arm 4 is located in another vertical plane, with the two vertical planes being perpendicular to each other; the blade 2 can also be arranged to extend longitudinally, in which case the rotation direction of the blade 2 is located in a horizontal plane, the rotation direction of the first gear 211 and the rotating component 3 is also located in a horizontal plane, and the rotation direction of the swing arm 4 is located in a vertical plane, with the horizontal plane and the vertical plane being perpendicular to each other.

[0094] Blade 2 can close or open the air inlet 16, meaning blade 2 can be in a closed, open, or fully open state. Blade 2 includes a driving blade 21 and a driven blade 22, such as... Figure 19 and Figure 20 As shown, when blade 2 is in the closed state, the side of blade 2 faces or is away from the air intake direction of air inlet 16, and the air intake volume of air inlet 16 reaches the minimum air intake volume. Figure 17 and Figure 18As shown, when blade 2 is in the open state, the side of blade 2 neither faces nor deviates from the air intake direction of air inlet 16, but forms an angle with the air intake direction of air inlet 16. At this time, blade 2 can still rotate and continue to open to the fully open state, and the air intake volume of air inlet 16 is between the minimum air intake volume and the maximum air intake volume. Figure 8 and Figure 11 As shown, when blade 2 is fully open, when the side of blade 2 is perpendicular to the air intake direction of air inlet 16, blade 2 is parallel to the air intake direction of air inlet 16, and the air intake volume of air inlet 16 reaches the maximum air intake volume.

[0095] This application employs an external air intake grille, located at the front of the vehicle and exposed on its exterior surface. Existing air intake grilles typically employ an internal design, situated within the vehicle body and spaced apart from it; there is no assembly connection between the vehicle body and the internal grille. Compared to internal grilles, this external grille is directly exposed on the front of the vehicle, which effectively blocks outside airflow, and with the closed blades reducing wind resistance, wind resistance is further lower.

[0096] In one implementation of the embodiments of this application, such as Figure 1 and Figure 2 As shown, the frame 1 includes an interconnected frame shell 11 and frame body 12. Specifically, the frame 1 adopts an external air intake grille, and the frame shell 11 is exposed on the surface of the front end of the vehicle.

[0097] In one implementation of the embodiments of this application, such as Figures 1-2 as well as Figure 14 As shown, frame 1 includes: frame shell 11, frame body 12, first support 13, and second support 14. Frame body 12 and first support 13 are both disposed on frame shell 11, and second support 14 is disposed on first support 13.

[0098] Specifically, the frame body 12 and the first bracket 13 are both mounted on the frame shell 11, which is exposed on the front surface of the vehicle and serves as the vehicle's windward side. The frame body 12 is specifically located on the inner side of the frame shell 11, and the second bracket 14 is mounted on the first bracket 13, situated between the frame shell 11 and the first bracket 13. The frame body 12 is used to mount the blade 2, the first bracket 13 is used to mount the drive assembly 5, and the second bracket 14 is used to mount the rotating component 3.

[0099] In one implementation of the embodiments of this application, such as Figures 5-7As shown, the frame body 12 is provided with shaft holes and shaft grooves; the frame 1 also includes: a pressure plate 15, which is provided at the corresponding position of the shaft groove on the frame body 12; the two ends of the blade 2 are respectively provided with a first rotating shaft and a second rotating shaft; the first rotating shaft is inserted into the shaft hole; the pressure plate 15 restricts the second rotating shaft in the shaft groove.

[0100] Specifically, the blade 2 has a first rotating shaft and a second rotating shaft at both ends. When the blade 2 has a first gear 211 at its end, the first gear 211 is positioned on the first rotating shaft. The first rotating shaft can pass through a shaft hole, and the first gear 211 can also pass through the shaft hole. The second rotating shaft can be placed in a shaft groove and pressed down by a pressure plate 15. The pressure plate 15 and the frame body 12 are locked together by screws 17 to limit the second rotating shaft, thus achieving a rotatable connection between the blade 2 and the frame body 12. The shaft groove is a U-shaped groove, and the pressure plate 15 covers the opening of the U-shaped groove, preventing the second rotating shaft from detaching from the U-shaped groove.

[0101] In one implementation of the embodiments of this application, such as Figure 4 and Figure 6 As shown, the blade 2 includes two active blades 21, which are located on both sides of the rotating member 3, and the first gear 211 is disposed on the active blade 21.

[0102] Specifically, the active blade 21 refers to a blade equipped with a first gear 211. Each active blade 21 is equipped with a first gear 211, which is driven to rotate by the drive assembly 5, thereby driving the active blade 21 to rotate. Two active blades 21 can be provided, located on opposite sides of the rotating member 3. One drive assembly 5 drives both first gears 211 to rotate, thereby driving both active blades 21 to rotate, simplifying the structure, reducing the number of drive assemblies 5, and lowering costs. The two active blades 21 are referred to as the left active blade and the right active blade, respectively. The left and right active blades can be symmetrically arranged about the plane in which the rotating member 3 rotates. The two active blades 21 can be rotatably mounted on the same frame body 12, or they can be rotatably mounted on two separate frame bodies 12. When two frame bodies 12 are used, they are referred to as the left frame body and the right frame body, respectively. Since this application uses two active blades 21 and the rotating member 3 is located between the two active blades 21, instead of using a single long active blade 21, the use of two active blades 21 can shorten the length of a single active blade 21 and avoid the active blade 21 from being too long and torsional deformation.

[0103] In one implementation of the embodiments of this application, such as Figures 12-13 As shown, there are two teeth 31, and the two teeth 31 mesh with the first gear 211 of the two active blades 21 respectively.

[0104] Specifically, when there are two first gears 211, two teeth 31 can be provided on the rotating component 3. These two teeth 31 are referred to as the left tooth and the right tooth, respectively. The left tooth meshes with the first gear 211 of the left driving blade, and the right tooth meshes with the first gear 211 of the right driving blade. The two teeth 31 do not interfere with each other, and even if one tooth 31 is damaged, the other tooth 31 can still work normally.

[0105] The tooth 31 is fan-shaped, and the central angle corresponding to the tooth 31 is an acute angle, for example, 65°. The fan-shaped tooth 31 can limit the rotation range of the tooth. If the tooth 31 rotates beyond the rotation range, the tooth 31 and the first gear 211 will disengage.

[0106] In one implementation of the embodiments of this application, such as Figures 3-6 As shown, an obtuse angle is formed between the two active blades 21.

[0107] Specifically, to reduce wind resistance at the front of the vehicle, the front of the vehicle is not straight, but rather curved or at an obtuse angle, forming a forward-convex structure. This directs airflow from the front of the vehicle to the left and right sides, thus reducing air resistance. For example, the frame shell 11 forms a forward-convex structure. To adapt to the shape of the vehicle's front or the frame shell 11, the two active blades 21 form an obtuse angle, meaning their length directions are obtuse, resulting in different rotation directions. To prevent the teeth 31 from disengaging from the first gear 211, the two teeth 31 are also oriented differently, with the teeth 31 perpendicular to the length direction of the active blades 21.

[0108] In one implementation of the embodiments of this application, such as Figure 4 As shown, the range of obtuse angles is 179° to 150°. Specifically, an obtuse angle can be 172°.

[0109] In one implementation of the embodiments of this application, such as Figure 4 As shown, the blade 2 also includes several driven blades 22, which are rotatably connected to the driving blade 21 via a connecting rod 6.

[0110] Specifically, the driven blade 22 refers to the blade without the first gear 211. The driven blade 22 rotates following the driving blade 21. Both the driving blade 21 and the driven blade 22 are rotatably mounted on the frame body 12. When the driving blade 21 is driven to rotate by the drive assembly 5, the driving blade 21 drives the connecting rod 6 to move, thereby driving the driven blade 22 to rotate. Each driving blade 21 can be configured with a corresponding driven blade 22. The driven blade 22 corresponding to the left driving blade is denoted as the left driven blade, and the driven blade 22 corresponding to the right driving blade is denoted as the right driven blade. The number of left driven blades and the number of right driven blades can be the same. There is a gap between the extension direction of the connecting rod 6 and the extension direction of the driving blade 21. When the driving blade 21 rotates, it will drive the connecting rod 6 to move.

[0111] In one implementation of the embodiments of this application, such as Figures 5-6 As shown, several driven blades 22 are located on both sides of the active blade 21.

[0112] Specifically, each active blade 21 may correspond to one or more driven blades 22. When there are multiple driven blades 22 corresponding to the active blade 21, the multiple driven blades 22 are located on both sides of the active blade 21, for example, the multiple driven blades 22 are located on the upper and lower sides of the active blade 21. When the active blade 21 is located between multiple driven blades 22, the connecting rod 6 is not easily deformed.

[0113] In one implementation of the embodiments of this application, such as Figures 6-11 As shown, at least one grid strip 121 is provided on the frame 1.

[0114] Specifically, the frame 1 is provided with a grille strip 121, and the grille strip 121 and the frame 1 can form multiple grille holes. With a grille strip 121 between two blades 2, each blade 2 corresponds to one grille hole, and the air intake volume of each blade 2 can be adjusted according to the corresponding grille hole. The grille strip 121 can be fixedly installed on the frame 1 or detachably installed on the frame 1. The grille strip 121 is located on the side of the blade 2 facing the front of the vehicle, thus protecting the blade 2. The grille strip 121 is specifically installed on the frame body 12, near the frame outer shell 11.

[0115] In one implementation of the embodiments of this application, such as Figure 11 , Figure 18 as well as Figure 20 As shown, the first end of the blade 2 abuts against the grid bar 121, and the second end of the blade 2 can rotate to abut against the adjacent grid bar 121.

[0116] Specifically, the rotation center axis of blade 2 is close to or located at the first end of blade 2, and the first end of blade 2 abuts against the grille bar 121, making it difficult for air to pass between the first end of blade 2 and the grille bar 121. As blade 2 rotates around the rotation center axis, the second end of blade 2 can rotate to the adjacent grille bar 121, and the second end of blade 2 can abut against the adjacent grille bar 121, making it difficult for air to pass between the second end of blade 2 and the adjacent grille bar 121, thereby sealing the grille hole corresponding to blade 2, which reduces the air intake of air inlet 16 to the minimum air intake, at which point the minimum air intake can be zero air intake.

[0117] In existing built-in air intake grilles, the blades and grille bars are spaced apart and do not abut against each other. Air entering the grille bars is blocked by the blades, still creating some wind resistance. However, in this application, the two ends of the blade 2 can abut against two adjacent grille bars 121 respectively, preventing air from entering through the grille bars 121 and the blade 2. Therefore, the blade 2 has better sealing performance.

[0118] The thickness of the grid bar 121 is greater than that of the blade 2, giving the grid bar 121 higher strength. Two abutment steps are provided on the grid bar 121, one for the first end of the blade 2 and the other for the second end of the adjacent blade 2, which increases the difficulty of air entry and improves sealing. The side of the grid bar 121 facing away from the abutment steps has a curved structure, which helps reduce the resistance to air entering the grid openings.

[0119] In one implementation of the embodiments of this application, such as Figures 9-11 As shown, the second end of blade 2 can be rotated to the plane where the grid bar 121 is located.

[0120] Specifically, the second end of the blade 2 can be rotated to the plane where the corresponding grille bar 121 is located. The blade 2 abuts against the surface of the abutting step, so the blade 2 and the corresponding grille bar 121 are on the same plane. The grille bar 121 hides the blade 2. At this time, the air intake of the air inlet 16 reaches the maximum air intake.

[0121] In existing built-in air intake grilles, closure is typically achieved by two adjacent blades abutting against each other. To achieve this, abutting portions are formed on the blades, increasing their overall size. In this application, however, the blades 2 abut against two adjacent grille bars 121. The blades 2 can have a thinner structure, making them easier to conceal, resulting in better concealment.

[0122] In one implementation of this application, the shape and size of the grille strip 121 are set as needed.

[0123] Specifically, the grille strip 121 can be adjusted or changed in shape and size as needed. For example, the shape and size of the grille strip 121 may differ for different vehicle models. Based on the ability of the blade 2 to be mounted on the frame 1, the blade 2 can be adapted to grille strips 121 of different shapes and sizes, thereby increasing the application range of the blade 2 and reducing manufacturing costs.

[0124] In one implementation of this application, a decorative component mounting position is formed on the frame housing 11 or the grille strip 121.

[0125] Specifically, since this application adopts an external air intake grille, the frame shell 11 is exposed on the exterior of the vehicle. Typically, the exterior of the vehicle is fitted with decorative parts, so decorative parts mounting positions are formed on the frame shell 11 or the grille strip 121 for mounting decorative parts.

[0126] In one implementation of the embodiments of this application, such as Figures 13-15 As shown, the rotation radius of the tooth 31 is greater than the radius of the first gear 211.

[0127] Specifically, when the rotation radius of the toothed part 31 is greater than the radius of the first gear 211, the rotating part 3 can provide a greater torque, making it easier to drive the first gear 211 to rotate. Since there may be two first gears 211 and multiple blades 2, increasing the rotation radius of the toothed part 31 is beneficial for the smooth rotation of each blade 2.

[0128] In one implementation of the embodiments of this application, such as Figures 13-15 As shown, the rotation radius of the groove 32 is greater than that of the tooth 31.

[0129] Specifically, the rotation radius of the groove 32 is greater than that of the tooth 31. By utilizing the lever principle, the swing arm 4 can more easily drive the tooth 31 to rotate, which further facilitates the smooth rotation of each blade 2.

[0130] In one implementation of the embodiments of this application, such as Figures 13-15 As shown, the swing arm 4 includes a rotating arm 41 and a ball head 42. The rotating arm 41 is connected to the rotating assembly; the ball head 42 is disposed on the rotating arm 41 and located within the groove 32.

[0131] Specifically, the rotating arm 41 can rotate, causing the ball head 42 to rotate, and the ball head 42 slides within the groove 32. When the blade 2 is in a fully open or closed state, the rotating arm 41 forms an angle with the horizontal plane; when the rotating arm 41 is within the horizontal plane, the blade 2 is in an open state (or a half-open, half-closed state). Because the position of the ball head 42 within the groove 32 varies during the rotation of the rotating arm 41, when the rotating arm 41 rotates a unit angle near the horizontal plane, the ball head 42 is located near the bottom of the groove 32, and the torque of the rotating component 3 is smaller; when the rotating arm 41 rotates a unit angle away from the horizontal plane, it is located near the opening of the groove 32, and the torque of the rotating component 3 is larger. Overall, when the blade 2 rotates from the closed state to the fully open state, the torque of the rotating component 3 first increases and then decreases; when the blade 2 rotates from the fully open state to the closed state, the torque of the rotating component 3 first increases and then decreases, which is beneficial for the smooth opening or full closing of the blade 2.

[0132] The groove 32 is a U-shaped groove with a U-shaped cross-section. The bottom of the U-shaped groove is adapted to the ball head 42. When the rotating arm 41 is in the horizontal plane, the ball head 42 can abut against the bottom of the U-shaped groove or form a gap with the bottom of the U-shaped groove. The width direction of the U-shaped groove is the direction of the line connecting the two ends of the top of the U-shape. The length direction of the U-shaped groove is perpendicular to the width direction. The depth direction of the U-shaped groove is from the bottom of the U-shaped groove to the groove opening. The U-shaped groove has a certain thickness in both the length and depth directions. When the rotating arm 41 rotates, the trajectory of the ball head 42 moving inside the U-shaped groove is not along the depth direction. The ball head 42 has displacement in both the length and depth directions.

[0133] The U-shaped groove has two openings along its length, allowing the ball head 42 to move out from one of these openings. If the rotating arm 41 rotates too much, the ball head 42 will move out from the opening and will not continue to drive the blade 2 to rotate, thus preventing the blade 2 from colliding with the grid strip 121. The open groove also facilitates the assembly of the rotating component 3 and the ball head 42.

[0134] In one implementation of the embodiments of this application, such as Figures 13-15 As shown, the drive assembly 5 includes: a driver 51, a second gear, a drive shaft 53, and a third gear 52. The driver 51 is mounted on the frame 1; the second gear is mounted on the output shaft of the driver 51; the drive shaft 53 is rotatably mounted on the frame 1 and connected to the rotating arm 41; the third gear 52 is mounted on the drive shaft 53; the second gear meshes with the third gear 52.

[0135] Specifically, when the output shaft of the driver 51 rotates, it drives the second gear to rotate, which in turn drives the third gear 52 and the transmission shaft 53 to rotate, thereby causing the rotating arm 41 to rotate. The driver 51 is specifically mounted on the first bracket 13 and is fixed to the first bracket 13 by a motor fixing clip 57. The transmission shaft 53 is rotatably connected to the first bracket 13 and the second bracket 14. The third gear 52 is fixed to the transmission shaft 53 by a washer 54 and a cotter pin 55. The rotating arm 41 is fixed to the transmission shaft 53 by a nut and a washer 56. The fixing pin 33 is fixed to the second bracket 14 by a washer 34 and a nut 35, and the rotating part 3 can rotate around the fixing pin 33.

[0136] The rotating component 3 includes a rotating part, an arc-shaped part, and a misaligned part. Two teeth are respectively located at the two ends of the outer side of the arc-shaped part. The rotating part is located on the inner side of the arc-shaped part and between the two teeth 31. The misaligned part corresponds to the position of one tooth 31 and is misaligned with the other tooth 31. A groove 32 is provided in the misaligned part. The rotating part is located on the central axis of the transmission shaft 53, and the misalignment distance of the misaligned part is close to the length of the rotating arm 41.

[0137] In one implementation of the embodiments of this application, such as Figures 14-16 As shown, a limiting protrusion 531 is provided on the drive shaft 53; a baffle 131 is provided on the frame 1, and the baffle 131 limits the limiting protrusion 531.

[0138] Specifically, to limit the rotation range of the drive shaft 53, a limiting protrusion 531 is provided on the drive shaft 53, and a baffle 131 is provided on the frame 1 to block the limiting protrusion 531. One or more limiting protrusions 531 can be provided, and each limiting protrusion 531 corresponds to two baffles 131, limiting the rotation range on both sides of the drive shaft 53, thus limiting the upward or downward rotation range of the rotating arm 41. The baffle 131 is provided on the first bracket 13. If there are two limiting protrusions 531, then there are four baffles 131. To increase the strength of the baffles 131, adjacent baffles 131 are connected to each other by arc-shaped plates. The arc-shaped plate at the corresponding position of the limiting protrusion 531 is connected to the outer end of the baffle 131, and the other two arc-shaped plates are connected to the inner end of the baffle 131.

[0139] The drive shaft 53 includes: a first mounting shaft, a first rotating shaft, a main shaft, a second rotating shaft, and a second mounting shaft connected in sequence. A limiting protrusion 531 is provided on the main shaft. The first mounting shaft is used to mount the third gear 52, the washer 54, and the cotter pin 55. The second mounting shaft is used to mount the rotating arm 41 and the nut with washer 56. The first rotating shaft is rotatably connected to the first bracket 13, and the second rotating shaft is rotatably connected to the second bracket 14. If the diameter of the main shaft is larger than the diameter of the first rotating shaft, the diameter of the first rotating shaft is larger than the diameter of the first mounting shaft, the diameter of the main shaft is larger than the diameter of the second rotating shaft, and the diameter of the second rotating shaft is larger than the diameter of the second mounting shaft, then the main shaft is confined between the first bracket 13 and the second bracket 14.

[0140] The height of the baffle 131 is equal to the height of the main shaft, or the height of the main shaft is slightly greater than the height of the baffle 131. The baffle 131 is located on the first bracket 13 and the second bracket 14, and supports the second bracket.

[0141] In one implementation of the embodiments of this application, such as Figures 13-15 As shown, the driver 51 is disposed on the first bracket 13; the transmission shaft 53 is located between the first bracket 13 and the second bracket 14; the rotating member 3 is rotatably disposed on the first bracket 13.

[0142] Specifically, the driver 51 is disposed on the first bracket 13, the transmission shaft 53 is located between the first bracket 13 and the second bracket 14, and both ends of the transmission shaft 53 pass through the first bracket 13 and the second bracket 14 respectively. The rotating member 3 is rotatably disposed on the second bracket 14.

[0143] Furthermore, based on the external air intake grille of any of the above embodiments, embodiments of this application also propose a vehicle that includes the external air intake grille of the above embodiments.

[0144] Based on any of the above embodiments of the external air intake grille, embodiments of this application also provide a control method for the external air intake grille, including the following steps:

[0145] Step S100: Obtain temperature information.

[0146] Step S200: Based on the temperature information, control the blade rotation through the drive component to adjust the air intake volume at the air inlet.

[0147] Specifically, the temperature information can be the temperature of the vehicle's engine. Based on the temperature information, the drive components control the rotation of the blades to adjust the air intake volume, which can balance the engine temperature and the vehicle's wind resistance, preventing the engine temperature from becoming too high and the vehicle's wind resistance from becoming too high.

[0148] Step S200 specifically includes:

[0149] Step S210: When the temperature information is greater than the first preset temperature, the blades are rotated by the drive component to increase the air intake volume at the air inlet.

[0150] Step S220: When the temperature information is less than the second preset temperature, the blades are rotated by the drive component to reduce the air intake volume at the air inlet; wherein, the second preset temperature is less than the first preset temperature.

[0151] Step S230: When the temperature information is less than or equal to the first preset temperature and greater than or equal to the second preset temperature, maintain the air intake volume at the air inlet.

[0152] Specifically, if the temperature is too high, for example, above the first preset temperature, the air intake volume needs to be increased; if the temperature is too low, for example, below the second preset temperature, there is no need to cool the engine, and the air intake volume can be reduced to lower wind resistance. If the temperature is between the first and second preset temperatures, there is no need to adjust the fan blades, and the air intake volume can be maintained.

[0153] In the description of this specification, the references to terms such as "embodiment," "any embodiment," or "implementation" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or implementation is included in at least one embodiment or implementation of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or implementation. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or implementations. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or implementations described in this specification, as well as the features of different embodiments or implementations.

[0154] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature.

Claims

1. An external air intake grille, characterized in that, include: The frame has at least one air inlet; At least one blade is rotatably mounted on the frame and located within the corresponding air inlet; At least one of the blades has a first gear at its end; A rotating component is rotatably mounted on the frame; the rotating component has teeth on the side facing the first gear, and the teeth mesh with the first gear; the rotating component has a groove on the side away from the first gear. A swing arm is located within the tank and moves within the tank. A drive component is disposed on the frame and is used to drive the swing arm to rotate; The driving component includes: A driver is provided in the frame; The second gear is disposed on the output shaft of the driver; A drive shaft is rotatably mounted on the frame and connected to the swing arm; The third gear is disposed on the drive shaft; The second gear meshes with the third gear; The drive shaft is provided with a limit protrusion; A baffle is provided on the frame, and the baffle limits the movement of the limiting protrusion.

2. The external air intake grille according to claim 1, characterized in that, The blade includes two active blades, respectively located on both sides of the rotating member, and the first gear is disposed on the active blades; The toothed portion has two teeth, and each of the two teeth meshes with the first gear of the two driving blades respectively.

3. The external air intake grille according to claim 2, characterized in that, An obtuse angle is formed between the two active blades.

4. The external air intake grille according to claim 2, characterized in that, The blade also includes a plurality of driven blades, which are rotatably connected to the driving blade via a connecting rod.

5. The external air intake grille according to claim 4, characterized in that, Several of the driven blades are located on both sides of the driving blade.

6. The external air intake grille according to claim 1, characterized in that, At least one grid strip is provided on the frame; The first end of the blade abuts against the grid bar, and the second end of the blade is rotatable to abut against an adjacent grid bar.

7. The external air intake grille according to claim 6, characterized in that, The second end of the blade can be rotated to the plane where the grid bar is located.

8. The external air intake grille according to claim 6, characterized in that, The frame includes an interconnected frame shell and a frame body, with decorative component mounting positions formed on the frame shell or the grille strip.

9. The external air intake grille according to claim 1, characterized in that, The radius of rotation of the teeth is greater than the radius of the first gear; and / or The rotation radius of the groove is greater than the rotation radius of the teeth.

10. The external air intake grille according to any one of claims 1-9, characterized in that, The swing arm includes: A rotating arm is connected to the rotating assembly; The ball head is disposed on the rotating arm and located in the groove.

11. The external air intake grille according to claim 10, characterized in that, The drive shaft is connected to the rotating arm.

12. The external air intake grille according to claim 11, characterized in that, The framework includes: Frame and shell; The frame body is disposed within the frame shell; A first bracket is disposed on the outer shell of the frame; The second bracket is disposed on the first bracket; The driver is disposed on the first bracket; The drive shaft is located between the first bracket and the second bracket; The rotating component is rotatably mounted on the second bracket.

13. The external air intake grille according to claim 12, characterized in that, The frame body is provided with shaft holes and shaft grooves; The frame further includes a pressure plate, which is disposed at a position corresponding to the shaft groove on the frame body; The blade is provided with a first rotating shaft and a second rotating shaft at its two ends, respectively; The first rotating shaft is inserted into the shaft hole; The pressure plate confines the second rotating shaft within the shaft groove.

14. A vehicle, characterized in that, include: The external air intake grille as described in any one of claims 1-13.

15. A control method for an external air intake grille as described in any one of claims 1-13, characterized in that, Including the following steps: Obtain temperature information; Based on the temperature information, the drive assembly controls the rotation of the blades to adjust the air intake volume at the air inlet.

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