Active air-inlet grille

Abstract

The active air-inlet grille comprises a frame, blades and an angle adjusting mechanism, and the angle adjusting mechanism comprises a motor, a driving rod and a four-connecting-rod assembly. When the blades are opened, the second connecting rod firstly moves in the first stage to drive the blades to move backwards, and a receding space is formed between the blades and the frame, so that when the second connecting rod moves in the second stage, the blades can directly move upwards through the receding space, and the frame does not interfere with the upward movement of the blades; the reserved space between the blade and the frame can be properly shortened, so that the requirement on the mounting space of the blade is reduced; the four-connecting-rod assemblies are arranged on the first side and the second side of the blade in the length direction, the four-connecting-rod assemblies located on the first side and the second side of the blade are connected with the driving rod, the driving rod can drive the first side and the second side of the blade at the same time through the four-connecting-rod assemblies, and the motion identity of the first side and the second side of the blade is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor vehicles, in particular to an active air intake grille. BACKGROUND

[0002] An active air intake grille (AGS) is a device installed in the air intake of a vehicle and similar to a louver, which actively controls the air intake angle of the air intake grille by a motor. The AGS is used to control the airflow through the grille to cool the cooling system and engine compartment. The AGS not only optimizes the aerodynamic performance of the vehicle, but also enables the engine to reach the appropriate operating temperature more quickly when the vehicle is started in a cold state, thereby reducing the energy consumption of the vehicle.

[0003] The AGS is divided into invisible AGS and visible AGS according to whether it can be seen by people outside the vehicle. The invisible AGS is installed at the rear of the air intake grille of the vehicle, and the visible AGS is an integral structure with the air intake grille of the vehicle and is directly exposed to the outside. The visible AGS can to some extent play a decorative role for the vehicle and improve the individuality of the vehicle, so that the visible AGS is increasingly used in vehicles.

[0004] The existing visible AGS mostly uses a single large panel as a blade, as shown in Figure 1 and 2 , a first short shaft 02 and a second short shaft 02 are respectively arranged at the first side and the second side of the length direction of the blade 01, the blade 01 is connected with the frame 04 of the visible AGS through the first short shaft 02 and the second short shaft 03, and the first short shaft 02 is connected with the motor 05. When working, the motor 05 drives the first short shaft 02 to rotate, and the driving force of the motor 05 is transmitted through the first short shaft 02, the blade 01 and the second short shaft 03 in sequence to adjust the angle of the blade 01.

[0005] As shown in Figure 1 and 2 , the first short shaft 02 and the second short shaft 03 of the blade 01 are close to the rear side of the blade 01, and when the blade 01 rotates from the closed state to the open state, the lower end of the blade 01 will first move a distance upward and forward in the direction of the frame 04. In order to ensure the smooth opening of the blade 01, enough space needs to be reserved between the blade 01 and the frame 04 to give way to the movement of the lower end of the blade 01, which leads to a higher requirement of the blade 01 for the installation space.

[0006] The driving force of the motor 05 is transmitted to the first side of the blade 01 through the first short shaft 02, then transmitted to the second side of the blade 01 through the blade 01, and finally transmitted to the second short shaft 03. Due to the long length of the blade 01 and the large wind pressure on the blade 01 at high vehicle speed, the rotation uniformity of the first side and the second side of the blade 01 is poor, the deformation amount of the first side and the second side of the blade 01 is different, and the opening and closing angles of the first side and the second side of the blade 01 are different during the adjustment of the blade angle.

[0007] Therefore, how to reduce the requirement of the blade for the installation space and solve the problem of poor rotation uniformity of the first side and the second side of the blade has become a technical problem to be solved by the person skilled in the art. SUMMARY

[0008] The application provides an active air intake grille to reduce the requirement of the blade for the installation space and solve the problem of poor rotation uniformity of the first side and the second side of the blade.

[0009] In order to achieve the above-mentioned purpose, the application provides an active air intake grille, characterized in that it comprises a frame, a blade and an angle adjusting mechanism,

[0010] The blade is connected with the frame through the angle adjusting mechanism, and the angle adjusting mechanism is used for adjusting the opening and closing angle of the blade.

[0011] The angle adjusting mechanism comprises a motor, a driving rod and a four-bar linkage assembly.

[0012] The motor is connected with the driving rod and used for driving the driving rod to rotate.

[0013] The four-bar linkage assembly is arranged on the first side and the second side of the length direction of the blade, the four-bar linkage assembly comprises a first connecting rod, a second connecting rod and a third connecting rod, the first end of the first connecting rod is connected with the blade, the second end of the first connecting rod is hinged with the first end of the second connecting rod, the second end of the second connecting rod is fixedly connected with the driving rod, the first end of the third connecting rod is hinged with the middle part of the first connecting rod, and the second end of the third connecting rod is hinged with the frame.

[0014] Preferably, in the above-mentioned active air intake grille, the angle adjusting mechanism further comprises a supporting assembly for supporting the middle part of the blade, one end of the supporting assembly is connected with the blade, and the other end of the supporting assembly is connected with the driving rod.

[0015] Preferably, in the active air intake grille, the support assembly comprises a fourth connecting rod and a fifth connecting rod, the fourth connecting rod is parallel to the first connecting rod, the fifth connecting rod is parallel to the second connecting rod, a first end of the fourth connecting rod is connected with the blade, a second end of the fourth connecting rod is hingedly connected with a first end of the fifth connecting rod, and a second end of the fifth connecting rod is fixedly connected with the driving rod.

[0016] Preferably, in the active air intake grille, the third connecting rod is an arc-shaped rod, and an inner arc of the arc-shaped rod faces the second connecting rod.

[0017] Preferably, in the active air intake grille, the first connecting rod comprises a fixed rod and a connecting rod, the fixed rod is arranged in a plane where the blade is located, a first end of the connecting rod is fixedly connected with the fixed rod, an included angle between the connecting rod and the fixed rod is 80-100°, a middle part of the connecting rod is hingedly connected with a first end of the third connecting rod, and a second end of the connecting rod is hingedly connected with a first end of the second connecting rod.

[0018] Preferably, in the active air intake grille, the frame comprises a frame body and a connecting plate,

[0019] a window is formed in the frame body,

[0020] the connecting plate is arranged on the frame body and located on both sides of the window in a length direction, and the motor, a second end of the third connecting rod and the driving rod are connected with the connecting plate.

[0021] Preferably, in the active air intake grille, the blade comprises a blade body and a skeleton, and the skeleton is arranged on a rear side of the blade body and used for supporting the blade body.

[0022] Preferably, in the active air intake grille, the blade body is connected with the skeleton in a clamping manner.

[0023] Preferably, in the active air intake grille, the blade is integrally formed with the first connecting rod.

[0024] Preferably, in the active air intake grille, the driving rod is an aluminum die-casting rod, a cast iron rod, an aluminum alloy rod, a titanium alloy rod, a stainless steel rod or a plastic rod.

[0025] The active air intake grille provided by the embodiment of the application comprises a frame, a blade and an angle adjusting mechanism, the angle adjusting mechanism comprises a motor, a driving rod and a four-bar linkage assembly, the four-bar linkage assembly comprises a first connecting rod, a second connecting rod and a third connecting rod, the first end of the first connecting rod is connected with the blade, the second end of the first connecting rod is hingedly connected with the first end of the second connecting rod, the second end of the second connecting rod is fixedly connected with the driving rod, the first end of the third connecting rod is hingedly connected with the middle part of the first connecting rod, the second end of the third connecting rod is hingedly connected with the frame, and the rotation shaft of the third connecting rod is parallel to the axis of the driving rod. When the blade is opened, the second connecting rod first performs a first stage of movement, drives the blade to move backward, and forms a space for giving way between the blade and the frame, so that when the second connecting rod performs a second stage of movement, the blade can directly move upward by using the space for giving way, and the frame will not interfere with the upward movement of the blade. Compared with the direct rotation mode of the blade in the prior art, the reserved space between the blade and the frame can be appropriately shortened, thereby reducing the requirement for the installation space of the blade. Meanwhile, the four-bar linkage assemblies are arranged on the first side and the second side of the length direction of the blade, the four-bar linkage assemblies on the first side and the second side of the blade are connected with the driving rod, the driving rod can drive the first side and the second side of the blade through the four-bar linkage assemblies, the same movement of the first side and the second side of the blade is ensured, and the opening and closing angles of the first side and the second side of the blade are consistent. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some examples or embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without any creative effort, and the present application can also be applied to other similar scenarios according to the provided drawings. Unless it is obvious from the language environment or otherwise stated, the same reference numerals in the drawings represent the same structure or operation.

[0027] Figure 1 is a structural schematic diagram of the active air intake grille of the prior art;

[0028] Figure 2 is an exploded view of the active air intake grille of the prior art;

[0029] Figure 3 is a structural schematic diagram of the active air intake grille of the present application;

[0030] Figure 4 is an exploded view of the active air intake grille of the present application;

[0031] Figure 5 is a structural schematic diagram of the angle adjusting assembly of the active air intake grille of the present application;

[0032] Figure 6 is a structural schematic diagram of a support assembly of the angle adjusting assembly of the present application;

[0033] Figure 7 is a structural schematic diagram of the position of the blade when the blade is in a closed state of the present application;

[0034] Figure 8 is a schematic diagram of the position of the blade after the four-bar linkage assembly drives the blade to move in the first stage of the present application;

[0035] Figure 9 is a schematic diagram of the position of the blade after the four-bar linkage assembly drives the blade to move in the second stage of the present application.

[0036] The accompanying drawings are described as follows:

[0037] 01-blade; 02-first short shaft; 03-second short shaft; 04-frame; 05-motor;

[0038] 1-frame; 11-frame body; 12-connection plate; 2-blade; 21-blade body; 22-skeleton; 3-angle adjusting mechanism; 31-motor; 32-driving rod; 33-four-bar linkage assembly; 331-first connecting rod; 332-second connecting rod; 333-third connecting rod; 34-support assembly; 341-fourth connecting rod; 342-fifth connecting rod. DETAILED DESCRIPTION

[0039] The present application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related application, and are not a limitation on the application. The described embodiments are only a part of the embodiments of the present application, and are not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.

[0040] It should be noted that, for the convenience of description, only the parts related to the application are shown in the drawings. The embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily without conflict, as long as the combined technical features are not contradictory. All feasible feature combinations are the technical content explicitly described herein. Any one of the multiple features contained in the same sentence can be independently applied, and does not have to be applied together with other features.

[0041] As shown in the present application and claims, unless otherwise clearly indicated by context, "one," "an," "a" and / or "the" are not to be construed as specific reference unless two or more are clearly indicated by context. Generally, the term "comprises" and "comprising" are used in the sense that they are open-ended, and do not exclude additional steps or elements. The term "including" is used in the sense that it means "including but not limited to". The term "associated with" as used herein encompasses a direct connection between two elements and also one or more indirect connections between two elements through one or more additional elements.

[0042] In the description of the embodiments of the present application, unless otherwise specified, " / " means or, for example, A / B can mean A or B; "and / or" in this document is only a description of the relationship between the associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases of A alone, A and B together, and B alone. In addition, in the description of the embodiments of the present application, "multiple" means two or more than two.

[0043] The terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features.

[0044] Please refer to Figures 3-9 .

[0045] Some embodiments of the present application disclose an active air intake grille, comprising a frame 1, a blade 2 and an angle adjusting mechanism 3, the blade 2 is installed on the frame 1 through the angle adjusting mechanism 3.

[0046] The angle adjusting mechanism 3 is used to adjust the angle of the blade 2, which can not only realize the opening and closing of the blade 2, but also adjust the angle between the opening and closing of the blade 2.

[0047] The angle adjusting mechanism 3 comprises a motor 31, a driving rod 32 and a four-bar linkage assembly 33. The motor 31 is connected with the driving rod 32, which is used to rotate the driving rod 32 around its own axis; the four-bar linkage assembly 33 is connected with the driving rod 32, and the four-bar linkage assembly 33 is connected with the blade 2. The driving rod 32 transmits the power of the motor 31 to the four-bar linkage assembly 33, and the four-bar linkage assembly 33 adjusts the angle of the blade 2.

[0048] The four-bar linkage assembly 33 is arranged on the first side and the second side of the length direction of the blade 2, and the four-bar linkage assemblies 33 on the first side and the second side of the blade 2 are connected with the driving rod 32. The driving rod 32 can drive the four-bar linkage assemblies 33 connected with the first side and the second side of the blade 2 to move simultaneously, and then the four-bar linkage assemblies 33 drive the first side and the second side of the blade 2 to move simultaneously, so as to ensure the same movement of the first side and the second side of the blade 2, and make the opening and closing angles of the first side and the second side of the blade 2 consistent.

[0049] The four-bar linkage assembly 33 comprises a first connecting rod 331, a second connecting rod 332 and a third connecting rod 333. The first end of the first connecting rod 331 is connected with the blade 2, the second end of the first connecting rod 331 is hingedly connected with the first end of the second connecting rod 332, the second end of the second connecting rod 332 is fixedly connected with the driving rod 32, the first end of the third connecting rod 333 is hingedly connected with the middle part of the first connecting rod 331, the second end of the third connecting rod 333 is hingedly connected with the frame 1, and the rotation axis of the third connecting rod 333 is parallel to the axis of the driving rod 32. It should be noted that the fixed connection between the second connecting rod 332 and the driving rod 32 means that the second connecting rod 332 and the driving rod 32 cannot rotate relative to each other after being connected, and the driving rod 32 drives the second connecting rod 332 to rotate synchronously. In addition, the first connecting rod 331 is fixedly connected with the blade 2.

[0050] As shown in Figure 3 and Figure 5 , the connection position of the third connecting rod 333 relative to the first connecting rod 331 is closer to the blade 2 than the connection position of the second connecting rod 332 relative to the first connecting rod 331.

[0051] Preferably, the first connecting rod 331 is perpendicular to the blade 2.

[0052] For the convenience of subsequent description, the side of the frame 1 used for mounting the blade 2 is the rear side, and the side of the frame 1 not used for mounting the blade 2 is the front side. If the blade 2 moves towards the frame 1, the movement direction of the blade 2 is forward, and if the blade 2 moves away from the frame 1, the movement direction of the blade 2 is backward.

[0053] As shown in Figure 7 , when the blade 2 is in the closed state, the second connecting rod 332 is inclined towards the blade 2. When the second connecting rod 332 rotates with the driving rod 32, the second connecting rod 332 gradually rotates to the vertical state (as shown in Figure 8 , and then rotates to be inclined away from the blade 2 (as shown in Figure 9 ). During this process, the first end of the second connecting rod 332 first moves upward and backward, and then moves backward and downward.

[0054] The movement of the second connecting rod 332 is divided into two stages, as shown in Figure 7 andFigure 8 As shown, the first stage is that the second connecting rod 332 rotates from the inclined position towards the blade 2 to the vertical position, the movement direction of the first end of the second connecting rod 332 is upward and rearward, as shown in the figure. Figure 8 and Figure 9 As shown, the second stage is that the second connecting rod 332 rotates from the vertical position to the inclined position away from the blade 2, the movement direction of the second end of the second connecting rod 332 is rearward and downward.

[0055] Due to the different movement forms of the second connecting rod 332 in the first stage and the second stage, the movement of the blade 2 is also divided into two stages. Specifically, when the second connecting rod 332 is in the first movement stage, the second end of the second connecting rod 332 moves upward and rearward, the second end of the first connecting rod 331 also moves upward and rearward, at the same time, the middle part of the first connecting rod 331 rotates around the hinge position of the first connecting rod 331 and the third connecting rod 333, the second end of the first connecting rod 331 moves upward and rearward, driving the blade 2 to move upward and rearward; when the second connecting rod 332 is in the second movement stage, the second end of the second connecting rod 332 moves downward and rearward, the second end of the first connecting rod 331 also moves downward and rearward, at the same time, the first end of the first connecting rod 331 drives the blade 2 to rotate upward, the third connecting rod 333 pushes the first connecting rod 331 upward, realizing the opening of the blade 2.

[0056] When the blade 2 is closed, the driving rod 32 drives the second connecting rod 332 to rotate, the second end of the second connecting rod 332 rotates forward and upward, the second end of the first connecting rod 331 also rotates forward and upward, the second end of the first connecting rod 331 drives the blade 2 to rotate downward, after the second connecting rod 332 rotates to the vertical position, the second connecting rod 332 continues to rotate, the first end of the second connecting rod 332 rotates forward and downward, the second end of the first connecting rod 331 also rotates forward and downward, the first end of the first connecting rod 331 drives the blade 2 to move forward and downward, until the blade 2 is closed.

[0057] When the blade 2 is opened, the second connecting rod 332 first moves in the first stage, driving the blade 2 to move rearward, forming a space for giving way between the blade 2 and the frame 1, so that when the second connecting rod 332 moves in the second stage, the blade 2 can directly move upward using the space for giving way, and the frame 1 will not interfere with the upward movement of the blade 2. Compared with the direct rotation mode of the blade 2 in the prior art, the reserved space between the blade 2 and the frame 1 can be appropriately shortened, thereby reducing the requirement for the installation space of the blade 2.

[0058] The active air inlet grille disclosed in the scheme optimizes the structure of the angle adjusting mechanism 3, and also optimizes the spatial layout of the blade 2; and the blade 2 does not need to be completely horizontal when it is in the completely open state, further reducing the spatial requirement of the blade 2 in the horizontal direction.

[0059] The third connecting rod 333 can be a straight rod or an arc-shaped rod.

[0060] Preferably, the third connecting rod 333 is an arc-shaped rod, and the arc-shaped space of the arc-shaped rod can provide a space for rotation of the third connecting rod 333, so that the blade 2 can be rotated to a higher position.

[0061] The four connecting rod assemblies 33 on the first side of the blade 2 and the four connecting rod assemblies 33 on the second side of the blade 2 are connected by a long driving rod 32, and errors are absorbed on the driving rod 32. The driving rod 32 needs to have sufficient strength to ensure that the deformations of the first side and the second side of the entire blade 2 are consistent.

[0062] In some embodiments of the present application, the driving rod 32 is made of aluminum die casting material. The driving rod 32 is not limited to aluminum die casting material, but can also be made of cast iron, aluminum alloy, titanium alloy, stainless steel, or plastic.

[0063] Due to the long length of the single blade 2, the strength of the blade 2 is low, especially at the middle position of the blade 2, which is more prone to deformation.

[0064] To solve the above problems, the angle adjusting mechanism 3 of the active air inlet grille disclosed in the present application further comprises a supporting assembly 34 for supporting the middle part of the blade 2 to reduce the deformation of the middle part of the blade 2.

[0065] In some embodiments of the present application, as shown in Figure 3 and Figure 6 The supporting assembly 34 comprises a fourth connecting rod 341 and a fifth connecting rod 342, the fourth connecting rod 341 is parallel to the first connecting rod 331, the fifth connecting rod 342 is parallel to the second connecting rod 332, the first end of the fourth connecting rod 341 is connected with the blade 2, the second end of the fourth connecting rod 341 is hingedly connected with the first end of the fifth connecting rod 342, and the second end of the fifth connecting rod 342 is fixedly connected with the driving rod 32.

[0066] When the driving rod 32 drives the blade 2 to rotate through the four connecting rod assemblies 33, the driving rod 32 also drives the fifth connecting rod 342 to rotate, the movement of the fifth connecting rod 342 is consistent with the movement of the second connecting rod 332, and the movement of the fourth connecting rod 341 is consistent with the movement of the first connecting rod 331, so that the movement of the middle part of the blade 2 is consistent with the movement of the first side and the second side of the blade 2, and the consistency of the overall movement of the blade 2 is improved.

[0067] The first connecting rod 331 can be a straight rod, and an angle between the first connecting rod 331 and a plane where the blade 2 is located is 80°-100°. A first end of the first connecting rod 331 is directly connected with the blade 2, and a middle part and a second end of the first connecting rod 331 are respectively hingedly connected with the third connecting rod 333 and the second connecting rod 332. It should be noted that the first end and the second end of the first connecting rod 331 are two ends in a length direction of the first connecting rod 331, and the second end of the first connecting rod 331 is an end away from the blade 2.

[0068] The first connecting rod 331 can also be an L-shaped rod, and the L-shaped rod includes a fixed rod and a connecting rod. The fixed rod is attached to the blade 2. A first end of the connecting rod is connected with the fixed rod, and an included angle between the connecting rod and the fixed rod is 80°-100°. A middle part of the connecting rod is hingedly connected with the third connecting rod 333, and a second end of the connecting rod is hingedly connected with the first connecting rod 331.

[0069] In the embodiment in which the first connecting rod 331 is an L-shaped connecting rod, the fixed rod and the connecting rod can be in a welded connection or can be integrally formed.

[0070] The fixed rod is connected with the blade 2, and a length direction of the fixed rod is consistent with a width direction of the blade 2. The fixed rod can support the width direction of the blade 2 to improve the strength of the blade 2 to a certain extent.

[0071] Preferably, a shape of the fourth connecting rod 341 is same as a shape of the first connecting rod 331, and / or a shape of the fifth connecting rod 342 is same as a shape of the second connecting rod 332.

[0072] At least one support assembly 34 is arranged between the first side and the second side of the blade 2 along a length direction of the blade 2. The support assembly 34 supports a middle part of the blade 2 and can synchronously move with the four-connecting-rod assembly 33, so that the middle part of the blade 2 has high consistency in movement with the first side and the second side of the blade 2.

[0073] The support assembly 34 can effectively reduce deformation of the blade 2. According to tests, after the blade 2 is additionally provided with the support assembly 34, a deformation amount of a large panel of 120mm*600mm at a vehicle speed of 135km / h is reduced from 2.6mm to 0.8mm, and the effect is obvious.

[0074] In some embodiments of the present application, the first connecting rod 331 and the fourth connecting rod 341 are connected with an upper end of the blade 2 to optimize visual effects.

[0075] In order to ensure the reliability of the movement of the second connecting rod 332 and the fifth connecting rod 342 driven by the driving rod 32, the application sets a limit spring on the joint surface of the second connecting rod 332 and the fifth connecting rod 342, which prevents the relative rotation between the driving rod 32 and the second connecting rod 332 and the fifth connecting rod 342 on the basis of the detachable connection of the driving rod 32 with the second connecting rod 332 and the fifth connecting rod 342

[0076] In some embodiments of the application, the frame 1 comprises a frame body 11 and a connecting plate 12, the frame body 11 is provided with windows, and the connecting plate 12 is arranged on the frame body 11 and located at both ends of the length direction of the window.

[0077] As shown in Figure 4 , the window is a long strip-shaped window, and the shape of the blade 2 is consistent with the shape of the window.

[0078] The windows can be arranged side by side along the length direction of the frame body 11, or can be arranged side by side along the width direction of the frame body 11, and the specific arrangement is selected by a person skilled in the art according to actual needs.

[0079] In some embodiments of the application, as shown in Figure 4 , the frame body 11 is a long strip-shaped body, two windows are arranged on a single frame body 11, and the two windows are arranged side by side along the length direction of the frame body 11, and the length direction of the window is consistent with the length direction of the frame body 11.

[0080] After assembly, the motor 31 of the angle adjusting mechanism 3 of the active air inlet grille, the second end of the third connecting rod 333 and the driving rod 32 are all arranged on the connecting plate 12.

[0081] As shown in Figure 4 , the first connecting rod 331 and the blade 2 form a U-shaped structure, the first connecting rod 331 is parallel to the connecting plate 12, and after the blade 2 is connected to the frame 1 through the four-bar linkage assembly 3, the first connecting rod 331 is attached to the connecting plate 12. After assembly, the first connecting rod 331 and the motor 31 are respectively located on both sides of the connecting plate 12, and the connecting plate 12 on both sides of the blade 2 can also function to limit the movement of the blade 2 left and right.

[0082] Preferably, the driving rod 32 is perpendicular to the connecting plate 12.

[0083] The blade 2 of the active air inlet grille disclosed in the application comprises a blade body 21 and a skeleton 22, the skeleton 22 is arranged on the back side of the blade body 21, and is used to support the blade body 21 to improve the overall strength of the blade 2.

[0084] As shown in Figure 4As shown, the shape of the framework 22 is consistent with the shape of the blade body 21, and the framework 22 includes a plurality of support rods, each of which is in the same length direction as the blade body 21, and the plurality of support rods are arranged side by side in the width direction of the blade body 21.

[0085] Preferably, the size of the support rod can be appropriately increased at the position where the blade body 21 is subjected to a larger force, so as to enhance the support effect of the support rod on the blade 2.

[0086] Preferably, the shape of the framework 22 is consistent with the size of the blade body 21, so as to effectively support each position of the blade body 21.

[0087] In some embodiments of the present application, as shown in Figure 4 The support rods with different widths are arranged in the width direction of the blade body 21.

[0088] The blade body 21 and the framework 22 can be connected in a fixed manner or in a detachable manner.

[0089] In the embodiment in which the blade body 21 and the framework 22 are connected in a fixed manner, the blade 2 and the framework 22 can be connected in at least one of the following manners: one-piece forming, welding, and riveting.

[0090] In the embodiment in which the blade body 21 and the framework 22 are connected in a detachable manner, the blade 2 and the framework 22 can be connected in at least one of the following manners: bolt connection, clamping connection, and plug-in connection.

[0091] The framework 22 and the blade body 21 can be made of the same material or different materials.

[0092] In the embodiment in which the framework 22 and the blade body 21 are made of different materials, preferably, the strength of the material used for the framework 22 is higher than that of the blade body 21.

[0093] In some embodiments of the present application, the framework 22 and the first connecting rod 331 of the angle adjusting mechanism 3 are integrally formed.

[0094] The one-piece forming connection manner reduces the processing difficulty of the active air intake grille, and can ensure the structural strength of the active air intake grille.

[0095] The framework 22 and the first connecting rod 331 of the angle adjusting mechanism 3 can also be connected in at least one of the following manners: bolt connection, riveting, interference fit, and welding.

[0096] The length of the driving rod 32 is greater than the length of the blade 2, and the two ends of the driving rod 32 are rotatably connected to the connecting plate 12 through bearings, so as to reduce the abnormal sound generated by movement.

[0097] In some embodiments of the application, the third link 333 is connected to the connecting plate 12 by a connecting pin.

[0098] The above description is merely illustrative of the principles of the application and the application can be practiced in other ways. The scope of the application is not limited to the exact details shown above. Various modifications and variations can be made to the application without departing from the scope or spirit of the application. The application relates to the scope of the claims and their equivalents. For example, the features described above can be replaced by other features having similar functions (not limited to those disclosed in the application) to form other technical solutions.

Claims

1. An active air intake grille, characterized in that: It comprises a frame (1), blades (2) and an angle adjustment mechanism (3), The blade (2) is connected to the frame (1) via the angle adjustment mechanism (3), and the angle adjustment mechanism (3) is used to adjust the opening and closing angle of the blade (2). The angle adjustment mechanism (3) comprises a motor (31), a driving rod (32) and a four-link assembly (33). The motor (31) is connected to the driving rod (32) and is used to drive the driving rod (32) to rotate. The four-link assembly (33) is arranged on a first side and a second side in the length direction of the blade (2), and the four-link assembly (33) includes a first link (331), a second link (332) and a third link (333), wherein the first end of the first link (331) is connected to the blade (2), the second end of the first link (331) is hinged to the first end of the second link (332), the second end of the second link (332) is fixedly connected to the driving rod (32), the first end of the third link (333) is hinged to the middle part of the first link (331), and the second end of the third link (333) is hinged to the frame (1).

2. The active air intake grille according to claim 1, characterized in that: The angle adjustment mechanism (3) further comprises a support assembly (34) for supporting the middle portion of the blade (2), one end of the support assembly (34) being connected to the blade (2), and the other end of the support assembly (34) being connected to the drive rod (32).

3. The active air intake grille according to claim 2, characterized in that: The support assembly (34) includes a fourth connecting rod (341) and a fifth connecting rod (342), wherein the fourth connecting rod (341) is parallel to the first connecting rod (331), and the fifth connecting rod (342) is parallel to the second connecting rod (332). The first end of the fourth connecting rod (341) is connected to the blade (2), the second end of the fourth connecting rod (341) is hinged to the first end of the fifth connecting rod (342), and the second end of the fifth connecting rod (342) is fixedly connected to the driving rod (32).

4. The active air intake grille according to claim 1, characterized in that: The third connecting rod (333) is an arc-shaped rod, and the inner arc of the arc-shaped rod faces the second connecting rod (332).

5. The active air intake grille according to claim 1, characterized in that: The first connecting rod (331) includes a fixed rod and a connecting rod, the fixed rod is arranged in a plane where the blade (2) is located, the first end of the connecting rod is fixedly connected to the fixed rod, and the angle between the connecting rod and the fixed rod is 80°-100°, the middle part of the connecting rod is hinged to the first end of the third connecting rod, and the second end of the connecting rod is hinged to the first end of the second connecting rod (332).

6. The active air intake grille according to claim 1, characterized in that: The frame (1) comprises a frame body (11) and a connecting plate (12), The frame body (11) is provided with a window. The connecting plate (12) is arranged on the frame body (11) and is located on both sides of the length direction of the window, and the motor (31), the second end of the third connecting rod (333) and the driving rod (32) are all connected to the connecting plate (12).

7. The active air intake grille according to claim 1, characterized in that: The blade (2) comprises a blade body (21) and a skeleton (22); the skeleton (22) is used to support the blade body (21) and is arranged on the rear side of the blade body (21).

8. The active air intake grille according to claim 7, characterized in that: The blade body (21) is connected to the frame (22) by snap-fitting.

9. The active air intake grille according to claim 1, characterized in that: The blade (2) and the first connecting rod (331) are integrally formed.

10. The active air intake grille according to claim 1, characterized in that: The driving rod (32) is an aluminum die-cast rod, a cast iron rod, an aluminum alloy rod, a titanium alloy rod, a stainless steel rod or a plastic rod.

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