Active air-inlet grille and vehicle

Abstract

The invention relates to an active air-inlet grille and a vehicle. The active air-inlet grille comprises a grille frame, blades and a driving device, and the grille frame is connected with the blades through a multi-connecting-rod mechanism; the multi-connecting-rod mechanism comprises a moving part and a fixed part, the fixed part is arranged on the grille frame, and the moving part is movably connected with the fixed part; the driving device is used for driving the moving part of the multi-connecting-rod mechanism to move relative to the grille frame so as to drive the blades to move in the direction close to or away from the air inlet of the grille to close or open the air inlet of the grille. According to the active air inlet grille, the driving device drives the moving part of the multi-connecting-rod mechanism to move so as to drive the blades to move in the direction close to or away from the air inlet of the grille, and therefore the air inlet of the grille can be closed or opened. The multi-connecting-rod mechanism moves stably, and the blades move stably.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile exterior decoration parts, and in particular relates to an active air intake grille and a vehicle. Background Art

[0002] As more and more models tend to be equipped with active air intake grilles, this product has gradually been given various functional attributes. In addition to the well-known function of reducing the wind resistance coefficient of the vehicle, it also has the functional attribute of improving the appearance quality. Therefore, the market has found that more and more car manufacturers are using active air intake grilles as external ones, directly layout them in the front face appearance.

[0003] However, the blade movement mode of the active air intake grille on the market is mainly in the form of rotating around a fixed axis on the grille frame, and the motor drives the blade to rotate relative to the grille frame by driving the rocker arm to swing, so as to open or close the air intake. However, the rocker arm is used to transmit the motor power, and the blade movement is unstable. Summary of the invention

[0004] The technical problem to be solved by the present invention is: to provide an active air intake grille and a vehicle in view of the problem that the existing active air intake grille adopts a rocker arm to transmit motor power and the blade movement is unstable.

[0005] In order to solve the above technical problems, on the one hand, an embodiment of the present invention provides an active air intake grille, comprising a grille frame, blades and a driving device, wherein the grille frame and the blades are connected via a multi-link mechanism;

[0006] The multi-link mechanism comprises a moving part and a fixed part, wherein the fixed part is arranged on the grid frame, and the moving part is movably connected to the fixed part;

[0007] The driving device is used to drive the moving part of the multi-link mechanism to move relative to the grille frame, so as to drive the blades to move toward or away from the grille air inlet, so as to close or open the grille air inlet.

[0008] Optionally, the multi-link mechanism at least includes a four-link mechanism, the moving part of the four-link mechanism includes a first link group and a blade link, the fixed part of the four-link mechanism includes a lattice frame hinged link, the first link group includes a first link and a second link, the first end of the first link is hinged to the first end of the lattice frame hinged link at a first hinge point around a first axis, the second end of the first link is hinged to the first end of the blade link at a second hinge point around a second axis, the first end of the second link is hinged to the second end of the lattice frame hinged link at a third hinge point around a third axis, and the second end of the second link is hinged to the second end of the blade link at a fourth hinge point around a fourth axis; the first axis, the second axis, the third axis and the fourth axis are parallel;

[0009] Optionally, the quadrilateral connecting the first hinge point, the second hinge point, the third hinge point and the fourth hinge point is a parallelogram.

[0010] Optionally, the grid frame hinged connecting rod is a part of the grid frame; or,

[0011] The grid frame hinge link is independent of the grid frame and is mounted on the grid frame.

[0012] Optionally, the blade connecting rod is a part of the blade; or,

[0013] The blade connecting rod is independent of the blade and is mounted on the blade.

[0014] Optionally, the driving device includes a power mechanism, and a power output end of the power mechanism is connected to one of the first connecting rod and the second connecting rod to drive the moving part of the four-bar linkage to rotate around the first axis.

[0015] Optionally, the first axis is arranged horizontally, so that the moving part of the four-bar linkage mechanism swings up and down around the first axis to drive the blade to move up and down;

[0016] When the blade is at a position closing the grille air inlet, the blade moves upward and rearward or downward and rearward to open the grille air inlet.

[0017] Optionally, the driving device drives one of the first link and the second link to rotate by driving a four-bar linkage.

[0018] Optionally, the driving device comprises a power mechanism having a power output end rotating about a fifth axis;

[0019] The driving four-bar linkage comprises a second link group, a fifth link and a grid frame driving link, the second link group comprises a third link and a fourth link, the power output end is connected to the first end of the third link, the first end of the third link is hinged to the grid frame driving link at a fifth hinge point around the fifth axis, the second end of the third link is hinged to the first end of the fourth link at a sixth hinge point around the sixth axis, the second end of the fourth link is hinged to the fifth link at a seventh hinge point around the seventh axis, and the seventh hinge point is located between the first end and the second end of the fifth link in the length direction of the fifth link; the fifth axis, the sixth axis, the seventh axis and the first axis are parallel;

[0020] The third hinge point, the fifth hinge point, the sixth hinge point and the seventh hinge point are sequentially connected to form a quadrilateral, so that the grid frame driving link, the third link, the fourth link and the fifth link constitute the driving four-bar linkage;

[0021] The grid frame driving link is a part of the grid frame; or, the grid frame driving link is independent of the grid frame and is mounted on the grid frame.

[0022] Optionally, the fifth connecting rod and the second connecting rod are formed integrally, or the fifth connecting rod and the second connecting rod are independently arranged and fixed to each other.

[0023] Optionally, the fifth connecting rod is formed integrally with the first connecting rod, or the fifth connecting rod and the first connecting rod are independently arranged and fixed to each other.

[0024] Optionally, the grille frame and the blades are connected via two four-bar linkages, the two four-bar linkages are arranged side by side along the left-right direction of the vehicle, and the driving device can drive the moving parts of the two four-bar linkages to move.

[0025] Optionally, it also includes a first pressure plate and a second pressure plate, wherein the first pressure plate is fixedly connected between the second links of the two four-bar linkages so that the second links of the two four-bar linkages move synchronously, and the second pressure plate is fixedly connected between the first links of the two four-bar linkages so that the first links of the two four-bar linkages move synchronously.

[0026] Optionally, a plurality of blades are provided, and the plurality of blades are connected to the grille frame through a corresponding multi-link mechanism. A plurality of driving devices are correspondingly provided, and each driving device can drive the corresponding moving part of the multi-link mechanism to move, so as to drive the corresponding blade to move toward or away from the grille air inlet.

[0027] Optionally, two blades are provided, the two blades are connected to the grille frame through the corresponding multi-link mechanism, the two blades are arranged side by side along the left-right direction of the vehicle, and two driving devices are provided accordingly, each of the driving devices can drive the corresponding moving part of the multi-link mechanism to move, so as to drive the corresponding blade to move in a direction close to or away from the grille air inlet;

[0028] The blade on the left side can move upward and rearward or downward and rearward to open the grille air inlet, and the blade on the right side can move upward and rearward or downward and rearward to open the grille air inlet.

[0029] Optionally, two blades are provided, the two blades are connected to the grille frame through the corresponding multi-link mechanism, the two blades are arranged side by side along the up-down direction of the vehicle, and two driving devices are provided correspondingly, each of the driving devices can drive the corresponding moving part of the multi-link mechanism to move, so as to drive the corresponding blade to move toward or away from the grille air inlet;

[0030] The blades on the upper side can move upward and rearward to open the grille air inlet, and the blades on the lower side can move downward and rearward to open the grille air inlet.

[0031] Optionally, the blades are provided with four, the four blades are connected to the grille frame through the corresponding multi-link mechanism, the four blades are arranged in a matrix, the driving devices are correspondingly provided with four, each of the driving devices can drive the corresponding moving part of the multi-link mechanism to move, so as to drive the corresponding blade to move in the direction of closing or opening the grille air inlet;

[0032] The two blades on the upper side can move upward and rearward to open the grille air inlet, and the two blades on the lower side can move downward and rearward to open the grille air inlet.

[0033] In the active air intake grille of the embodiment of the present invention, the driving device drives the moving part of the multi-link mechanism to move, so as to drive the blades to move toward or away from the grille air intake, so as to close or open the grille air intake. The multi-link mechanism moves smoothly, and the blades move stably.

[0034] In addition, compared with the prior art in which the blades are always located in the area of ​​the grille air inlet, the active air intake grille of the present application has blades that move away from the grille air inlet when opened, rather than rotating around a fixed axis as in the prior art. Therefore, the blades can move to and be hidden behind the front guard, leaving the area of ​​the grille air inlet, thereby reducing wind resistance and wind noise.

[0035] In addition, compared with the current technology, in which the blades rotate around a fixed axis, the active air intake grille of the present application has blades that move in a direction close to or near the grille air intake, which can enhance the interest and technological sense of the appearance of the entire vehicle's front face, making the front face more flexible in styling.

[0036] On the other hand, an embodiment of the present invention further provides a vehicle, which includes the above-mentioned active air intake grille. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 is a three-dimensional diagram of an active air intake grille provided by a first embodiment of the present invention;

[0038] Figure 2 is a side view of an active air intake grille provided by a first embodiment of the present invention;

[0039] Figure 3 is a schematic diagram of a first connecting rod of an active air intake grille provided in a first embodiment of the present invention;

[0040] Figure 4 is a schematic diagram of a second connecting rod of an active air intake grille provided in a first embodiment of the present invention;

[0041] Figure 5 is a schematic diagram of a fourth connecting rod of the active air intake grille provided in the first embodiment of the present invention;

[0042] Figure 6 It is a three-dimensional diagram of an active air intake grille provided in a second embodiment of the present invention.

[0043] The reference numerals in the specification are as follows:

[0044] 1. Grid frame; 11. Grid frame hinge connecting rod; 12. Grid frame driving connecting rod; 2. Blade; 21. Blade connecting rod; 3. First connecting rod group; 31. First connecting rod; 311. First pin shaft; 312. Second pin shaft; 32. Second connecting rod; 321. Third pin shaft; 322. Fourth pin shaft; 323. Fifth pin shaft; 4. Power mechanism; 5. Second connecting rod group; 51. Third connecting rod; 52. Fourth connecting rod; 521. First pivot hole; 522. Second pivot hole; 6. First pressing plate; 7. Second pressing plate;

[0045] A, first hinge point; B, second hinge point; C, third hinge point; D, fourth hinge point; E, fifth hinge point; F, sixth hinge point; G, seventh hinge point. DETAILED DESCRIPTION

[0046] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0047] First embodiment

[0048] See also Figures 1 to 5 The active air intake grille provided in the first embodiment of the present invention comprises a grille frame 1, blades 2 and a driving device, wherein the grille frame 1 is connected to the blades 2 via a multi-link mechanism. The multi-link mechanism comprises a moving part and a fixed part, wherein the fixed part is arranged on the grille frame 1, and the moving part is movably connected to the fixed part. The driving device is used to drive the moving part of the multi-link mechanism to move, so as to drive the blades 2 to move toward or away from the grille air inlet, so as to close or open the grille air inlet. The grille air inlet is arranged on the front guard, and the grille frame 1 and the front guard remain relatively stationary.

[0049] See also Figure 2 The multi-link mechanism at least includes a four-link mechanism, the moving part of the four-link mechanism includes a first link group 3 and a blade link 21, the fixed part of the four-link mechanism includes a grid frame hinge link 11, the first link group 3 includes a first link 31 and a second link 32, the first end of the first link 31 is hinged to the first end of the grid frame hinge link 11 around a first axis at a first hinge point A, the second end of the first link 31 is hinged to the blade 2 around a second axis at a second hinge point B, and the first end of the second link 32 is hinged to the grid frame hinge link 11 around a third axis. The second end is hinged at the third hinge point C, and the second end of the second link 32 is hinged to the blade 2 at the fourth hinge point D around the fourth axis; the first axis, the second axis, the third axis and the fourth axis are parallel; the quadrilateral connecting the first hinge point A, the second hinge point B, the third hinge point C and the fourth hinge point D is a parallelogram ABDC, so that the grid frame hinge link 11, the first link 31, the blade link 21 and the second link 22 constitute the four-bar linkage; wherein the first link 31, the blade link 21 and the second link 32 constitute the moving part of the four-bar linkage. The grid frame hinge link 11 is the stationary part.

[0050] In this embodiment, the portion of the lattice frame 1 between the first hinge point A and the third hinge point C is defined as a lattice frame hinge link 11, that is, the lattice frame hinge link 11 is a part of the lattice frame 1. The portion of the blade 2 between the second hinge point B and the fourth hinge point D is defined as a blade link 21, that is, the blade link 21 is a part of the blade 2.

[0051] Of course, in other alternatives, the lattice frame hinge connecting rod 11 may be independent of the lattice frame 1 and installed on the lattice frame 1 .

[0052] Of course, in other alternatives, the blade connecting rod 21 may be independent of the blade 2 and mounted on the blade 2 .

[0053] The first axis is arranged horizontally so that the moving part of the four-bar linkage mechanism swings up and down around the first axis to drive the blade 2 to move up and down; when the blade 2 is in the position of closing the grille air inlet, the blade 2 moves upward and backward or downward and backward to open the grille air inlet.

[0054] The driving device drives the second connecting rod 32 to rotate through the driving four-bar linkage.

[0055] The driving device comprises a power mechanism 4 having a power output end rotating around a fifth axis, the driving four-bar linkage comprises a second link group 5, a fifth link and a grid frame driving link 12, and the second link 52 constitutes the fifth link. The fifth link is integrally formed with the second link 52.

[0056] Of course, in other alternatives, the fifth connecting rod and the second connecting rod 52 may be independently provided and fixed to each other.

[0057] The second connecting rod group 5 includes a third connecting rod 51 and a fourth connecting rod 52, the power output end is connected to the first end of the third connecting rod 52, the first end of the third connecting rod 51 is hinged to the lattice frame driving connecting rod 12 at the fifth hinge point E around the fifth axis, the second end of the third connecting rod 51 is hinged to the first end of the fourth connecting rod 52 at the sixth hinge point F around the sixth axis, the second end of the fourth connecting rod 52 is hinged to the second connecting rod 32 at the seventh hinge point G around the seventh axis, and the seventh hinge point G is located between the first end and the second end of the second connecting rod 52 in the length direction of the second connecting rod 52; the fifth axis, the sixth axis, the seventh axis and the first axis are parallel; the third hinge point C, the fifth hinge point E, the sixth hinge point F and the seventh hinge point G are connected in sequence to form a quadrilateral CEFG, so that the lattice frame driving connecting rod 12, the third connecting rod 51, the fourth connecting rod 52 and the second connecting rod 32 constitute the driving four-bar mechanism. The driving four-bar linkage is arranged so that the power mechanism (motor) can be far away from the blade 2, thereby avoiding interference between the power mechanism (motor) and the moving blade 2.

[0058] The portion of the lattice frame 1 between the third hinge point C and the fifth hinge point E is defined as a lattice frame driving link 12 , that is, the lattice frame driving link 12 is a part of the lattice frame 1 .

[0059] See also Figures 3 to 5The first end of the first connecting rod 31 is provided with a first pin shaft 311, the axis of the first pin shaft 311 is the first axis, the second end of the first connecting rod 31 is provided with a second pin shaft 312, the axis of the second pin shaft 312 is the second axis, and the first pin shaft 311 and the second pin shaft 312 are located on the same side of the first connecting rod 31. The first end of the second connecting rod 32 is provided with a third pin shaft 321, the axis of the third pin shaft 311 is the third axis, the second end of the second connecting rod 32 is provided with a fourth pin shaft 322, the axis of the fourth pin shaft 322 is the fourth axis. The middle part of the second connecting rod 32 is provided with a fifth pin shaft 323, the axis of the fifth pin shaft 323 is the seventh axis, the third pin shaft 321 and the fourth pin shaft 322 are located on the same side of the second connecting rod 32, and the fifth pin shaft 323 is located on the opposite side of the third pin shaft 321 of the second connecting rod 32. The first pivot hole 521 and the second pivot hole 522 are provided at both ends of the fourth connecting rod 52, respectively. The first pin shaft 311 and the third pin shaft 321 are rotatably connected to the grid frame 1, and the second pin shaft 312 and the fourth pin shaft 322 are rotatably connected to the blade 2. The fifth pin shaft 323 is inserted into the second pivot hole 522. The second end of the third connecting rod 51 is provided with a sixth pin shaft, which is inserted into the first pivot hole 521.

[0060] In order to avoid interference between the first connecting rod 31 and the grid frame 1 during movement, the first connecting rod 31 and the second connecting rod 32 are bent in a C-shape. However, the outer contour of the grid frame 1 can also be adjusted to make the first connecting rod 31 and / or the second connecting rod 32 into straight rods, and no interference will occur. The third connecting rod 51 and the fourth connecting rod 52 are preferably straight rods.

[0061] See also Figure 1 The grid frame 1 and the blade 2 are connected by two four-bar linkages, and the two four-bar linkages are arranged side by side along the left and right directions of the vehicle. The driving device can drive the moving parts of the two four-bar linkages to move. One blade 2 is connected to two four-bar linkages, which can ensure that the blade 2 will not be skewed during the movement, and ensure the stability of the movement of the blade 2.

[0062] See also Figure 1 The power mechanism 3 is a motor, which is mounted on the grid frame 1. The motor has double-end output, and each power output end of the motor is connected to the first end of the third connecting rod 51. In this way, the two third connecting rods 51 are driven to rotate synchronously by one motor.

[0063] It also includes a first pressing plate 6 and a second pressing plate 7, wherein the first pressing plate 6 is fixedly connected between the second links 32 of the two four-bar linkages so that the second links 32 of the two four-bar linkages move synchronously, and the second pressing plate 7 is fixedly connected between the first links 31 of the two four-bar linkages so that the first links 31 of the two four-bar linkages move synchronously. The first pressing plate and the second pressing plate 7 can ensure the movement synchronization of the two four-bar linkages, enhance the connection stability between the four-bar linkage and the blade 2, and make the blade 2 less likely to shake during movement and more stable.

[0064] In the active air intake grille of the first embodiment of the present invention, the driving device drives the moving part of the multi-link mechanism to move, so as to drive the blade 2 to move toward or away from the grille air intake port, so as to close or open the grille air intake port. The multi-link mechanism (four-link mechanism) moves smoothly, and the blade 2 moves stably.

[0065] In addition, compared with the prior art in which blades 2 are always located in the area of ​​the grille air inlet, the active air intake grille of the present application, when blades 2 are opened, moves in the direction away from the grille air inlet, rather than rotating around a fixed axis as in the prior art. Therefore, blades 2 can move to and be hidden behind the front guard, leaving the area of ​​the grille air inlet, which can reduce wind resistance and wind noise.

[0066] In addition, compared with the current technology, in which the blades 2 rotate around a fixed axis, the active air intake grille of the present application has blades that move in a direction close to or near the grille air intake, which can enhance the interest and technological sense of the appearance of the entire vehicle's front face, making the front face more flexible in shape.

[0067] Second embodiment

[0068] See also Figure 6 The active air intake grille provided in the second embodiment of the present invention is different from the first embodiment in that the grille frame 1 and the blades 2 are connected through a multi-link mechanism (four-link mechanism).

[0069] That is, one is provided for each of the first connecting rod assembly 3 and the second connecting rod assembly 5. At this time, the first pressing plate 6 and the second pressing plate 7 are cancelled, the number of parts is small, and the structure is simple.

[0070] In addition, in this embodiment, the motor only needs a single-ended output.

[0071] Third embodiment (not shown)

[0072] The active air intake grille provided in the third embodiment of the present invention is different from the second embodiment in that two blades are provided, the two blades are connected to the grille frame through the corresponding multi-link mechanism, the two blades are arranged side by side along the left and right directions of the vehicle, and two driving devices are provided accordingly, each of which can drive the corresponding blade to move toward or away from the grille air inlet by driving the corresponding moving part of the multi-link mechanism; the left blade can move upward and backward or downward and backward to open the grille air inlet, and the right blade can move upward and backward or downward and backward to open the grille air inlet. When the grille air inlet is closed, the left blade covers the left area of ​​the grille air inlet, and the right blade covers the right area of ​​the grille air inlet.

[0073] Each blade corresponds to a first connecting rod group and a second connecting rod group.

[0074] Fourth embodiment (not shown)

[0075] The active air intake grille provided in the fourth embodiment of the present invention is different from the second embodiment in that two blades are provided, the two blades are connected to the grille frame through the corresponding multi-link mechanism, the two blades are arranged side by side along the up and down direction of the vehicle, and two driving devices are provided accordingly, each of which can drive the corresponding moving part of the multi-link mechanism to move, so as to drive the corresponding blade to move toward or away from the grille air inlet; the upper blade can move upward and backward to open the grille air inlet, and the lower blade can move downward and backward to open the grille air inlet. When the grille air inlet is closed, the upper blade covers the upper area of ​​the grille air inlet, and the lower blade covers the lower area of ​​the grille air inlet.

[0076] Fifth embodiment (not shown)

[0077] The active air intake grille provided in the fifth embodiment of the present invention is different from the second embodiment in that the blades are provided with four blades, the four blades are connected to the grille frame through the corresponding multi-link mechanism, the four blades are arranged in a matrix, the driving devices are provided with four corresponding ones, each of the driving devices can drive the corresponding moving part of the multi-link mechanism to move, so as to drive the corresponding blade to move toward or away from the grille air inlet; the two blades on the upper side can move upward and backward to open the grille air inlet, and the two blades on the lower side can move downward and backward to open the grille air inlet. When the grille air inlet is closed, the two blades on the upper side cover the upper area of ​​the grille air inlet, and the two blades on the lower side cover the lower area of ​​the grille air inlet.

[0078] Sixth embodiment (not shown)

[0079] The active air intake grille provided in the sixth embodiment of the present invention is different from the first embodiment in that the driving device drives the first connecting rod to rotate through the driving four-bar linkage. That is, the first connecting rod constitutes the fifth connecting rod. That is, the fifth connecting rod is formed integrally with the first connecting rod.

[0080] Of course, in other alternatives, the fifth connecting rod and the first connecting rod may be independently arranged and fixed to each other.

[0081] The driving device includes a power mechanism, the power mechanism has a power output end rotating around a fifth axis, the driving four-bar linkage includes a second linkage group, a fifth linkage and a lattice frame driving linkage, and the first linkage constitutes the fifth linkage. The second linkage group includes a third linkage and a fourth linkage, the power output end is connected to the first end of the third linkage, the first end of the third linkage is hinged to the lattice frame driving linkage at a fifth hinge point around the fifth axis, the second end of the third linkage is hinged to the first end of the fourth linkage at a sixth hinge point around the sixth axis, the second end of the fourth linkage is hinged to the first linkage at a seventh hinge point around the seventh axis, and the seventh hinge point is located between the first end and the second end of the first linkage in the length direction of the first linkage; the fifth axis, the sixth axis, the seventh axis and the first axis are parallel; the third hinge point, the fifth hinge point, the sixth hinge point and the seventh hinge point are connected in sequence to form a quadrilateral, so that the lattice frame driving linkage, the third linkage, the fourth linkage and the first linkage constitute the driving four-bar linkage.

[0082] The portion of the grid frame between the third hinge point and the fifth hinge point is defined as a grid frame driving link.

[0083] Seventh embodiment (not shown)

[0084] The active air intake grille provided in the seventh embodiment of the present invention is different from the first embodiment in that the power mechanism is a linear actuator, and the linear motion of the linear actuator is converted into rotational motion through a motion reversing mechanism to drive the third connecting rod to rotate.

[0085] The linear actuator may be, for example, a hydraulic cylinder, a pneumatic cylinder, an electric cylinder, etc. The motion reversing mechanism may be, for example, a gear rack mechanism. The linear actuator drives the gear rack to move linearly, thereby driving the gear and the third connecting rod fixed to the gear to rotate.

[0086] Eighth embodiment (not shown)

[0087] The active air intake grille provided in the eighth embodiment of the present invention is different from the seventh embodiment in that the driving four-bar linkage (second linkage group) is eliminated. The power mechanism is a linear actuator, and the linear motion of the linear actuator is converted into rotational motion through a motion reversing mechanism to drive the second linkage to rotate.

[0088] Ninth embodiment (not shown)

[0089] The active air intake grille provided by the ninth embodiment of the present invention is different from the first embodiment in that the driving four-bar mechanism (second connecting rod group) is cancelled, and the power device only includes a power mechanism (motor). The motor shaft of the motor is directly connected to the second connecting rod, and the rotation of the motor directly drives the second connecting rod to rotate.

[0090] In addition, an embodiment of the present invention further provides a vehicle, which includes the active air intake grille of the above embodiment.

[0091] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An active air intake grille, It is characterized in that It includes a grid frame, blades and a driving device, wherein the grid frame and the blades are connected through a multi-link mechanism; The multi-link mechanism comprises a moving part and a fixed part, wherein the fixed part is arranged on the grid frame, and the moving part is movably connected to the fixed part; The driving device is used to drive the moving part of the multi-link mechanism to move relative to the grille frame, so as to drive the blades to move toward or away from the grille air inlet, so as to close or open the grille air inlet.

2. The active air intake grille according to claim 1, It is characterized in that The multi-link mechanism at least includes a four-link mechanism, the moving part of the four-link mechanism includes a first link group and a blade link, the fixed part of the four-link mechanism includes a lattice frame hinged link, the first link group includes a first link and a second link, the first end of the first link is hinged to the first end of the lattice frame hinged link at a first hinge point around a first axis, the second end of the first link is hinged to the first end of the blade link at a second hinge point around a second axis, the first end of the second link is hinged to the second end of the lattice frame hinged link at a third hinge point around a third axis, the second end of the second link is hinged to the second end of the blade link at a fourth hinge point around a fourth axis; the first axis, the second axis, the third axis and the fourth axis are parallel.

3. The active air intake grille according to claim 2, It is characterized in that The quadrilateral connecting the first hinge point, the second hinge point, the third hinge point and the fourth hinge point is a parallelogram.

4. The active air intake grille according to claim 2, It is characterized in that The grid frame hinge connecting rod is a part of the grid frame; or, The grid frame hinge link is independent of the grid frame and is mounted on the grid frame.

5. The active air intake grille according to claim 2, It is characterized in that The blade connecting rod is a part of the blade; or, The blade connecting rod is independent of the blade and is mounted on the blade.

6. The active air intake grille according to claim 2, It is characterized in that The driving device comprises a power mechanism, wherein a power output end of the power mechanism is connected to one of the first connecting rod and the second connecting rod to drive the moving part of the four-bar linkage to rotate around the first axis.

7. The active air intake grille according to claim 2, It is characterized in that The first axis is arranged horizontally so that the moving part of the four-bar linkage mechanism swings up and down around the first axis to drive the blade to move up and down; When the blade is at a position closing the grille air inlet, the blade moves upward and rearward or downward and rearward to open the grille air inlet.

8. The active air intake grille according to claim 2, It is characterized in that The driving device drives one of the first link and the second link to rotate by driving the four-bar linkage.

9. The active air intake grille according to claim 8, It is characterized in that The drive device includes a power mechanism having a power output end rotating about a fifth axis; The driving four-bar linkage comprises a second link group, a fifth link and a grid frame driving link, the second link group comprises a third link and a fourth link, the power output end is connected to the first end of the third link, the first end of the third link is hinged to the grid frame driving link at a fifth hinge point around the fifth axis, the second end of the third link is hinged to the first end of the fourth link at a sixth hinge point around the sixth axis, the second end of the fourth link is hinged to the fifth link at a seventh hinge point around the seventh axis, and the seventh hinge point is located between the first end and the second end of the fifth link in the length direction of the fifth link; the fifth axis, the sixth axis, the seventh axis and the first axis are parallel; The third hinge point, the fifth hinge point, the sixth hinge point and the seventh hinge point are connected in sequence to form a quadrilateral, so that the grid frame driving link, the third link, the fourth link and the fifth link constitute the driving four-bar mechanism; the grid frame driving link is a part of the grid frame; or, the grid frame driving link is independent of the grid frame and is installed on the grid frame.

10. The active air intake grille according to claim 9, It is characterized in that The fifth connecting rod is formed integrally with the second connecting rod, or the fifth connecting rod and the second connecting rod are independently arranged and fixed to each other.

11. The active air intake grille according to claim 9, It is characterized in that The fifth connecting rod is formed integrally with the first connecting rod, or the fifth connecting rod and the first connecting rod are independently arranged and fixed to each other.

12. The active air intake grille according to claim 2, It is characterized in that The grille frame and the blades are connected via two four-bar linkages, the two four-bar linkages are arranged side by side along the left-right direction of the vehicle, and the driving device can drive the moving parts of the two four-bar linkages to move.

13. The active air intake grille according to claim 12, It is characterized in that It also includes a first pressure plate and a second pressure plate, wherein the first pressure plate is fixedly connected between the second links of the two four-bar linkages so that the second links of the two four-bar linkages move synchronously, and the second pressure plate is fixedly connected between the first links of the two four-bar linkages so that the first links of the two four-bar linkages move synchronously.

14. The active air intake grille according to claim 1, It is characterized in that There are multiple blades, and the multiple blades are connected to the grille frame through the corresponding multi-link mechanism. There are correspondingly multiple driving devices, and each driving device can drive the corresponding moving part of the multi-link mechanism to move, so as to drive the corresponding blade to move toward or away from the grille air inlet.

15. The active air intake grille according to claim 1, It is characterized in that There are two blades, the two blades are connected to the grille frame through the corresponding multi-link mechanism, the two blades are arranged side by side along the left-right direction of the vehicle, and there are two corresponding driving devices, each of which can drive the corresponding blade to move toward or away from the grille air inlet by driving the corresponding moving part of the multi-link mechanism; The blade on the left side can move upward and rearward or downward and rearward to open the grille air inlet, and the blade on the right side can move upward and rearward or downward and rearward to open the grille air inlet.

16. The active air intake grille according to claim 1, It is characterized in that There are two blades, the two blades are connected to the grille frame through the corresponding multi-link mechanism, the two blades are arranged side by side along the up and down direction of the vehicle, and there are two corresponding driving devices, each of which can drive the corresponding moving part of the multi-link mechanism to move, so as to drive the corresponding blade to move towards or away from the grille air inlet; The blades on the upper side can move upward and rearward to open the grille air inlet, and the blades on the lower side can move downward and rearward to open the grille air inlet.

17. The active air intake grille according to claim 1, It is characterized in that There are four blades, and the four blades are connected to the grille frame through the corresponding multi-link mechanism. The four blades are arranged in a matrix. There are four corresponding driving devices, and each driving device can drive the corresponding moving part of the multi-link mechanism to move, so as to drive the corresponding blade to move in the direction of closing or opening the grille air inlet. The two blades on the upper side can move upward and rearward to open the grille air inlet, and the two blades on the lower side can move downward and rearward to open the grille air inlet.

18. A vehicle, It is characterized in that Comprising the active air intake grille as described in any one of claims 1-17.

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