Active grille shutter for an automobile

Abstract

The application discloses an active air inlet grille for a car, which comprises an outer frame, a framework, a driving device, a plurality of round rods and a plurality of blades with semicircular ends, the middle part of each round rod is provided with the blades on both sides, and the application further comprises a driving mechanism and a plurality of first abutting plates, second abutting plates, third abutting plates, connecting rods and buffer devices, the end of each connecting rod is slidably arranged in a sliding groove, the second abutting plate can rotate relative to the third abutting plate, and the buffer device is arranged between the second abutting plate and the third abutting plate, the driving mechanism is connected with the driving device and is used for driving the connecting rod to act so that the first abutting plate, the second abutting plate and the third abutting plate are separated from or contacted with the ends of the blades. In the application, when the car is running at a high speed, no gap is formed between the two blades or between the blade and the outer frame wall body, air is prevented from entering the car through the grille, dust is prevented from entering the cavity, and the subsequent gears are prevented from being not smoothly matched, so that the opening or closing of the blades is prevented from being stuck.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile parts, in particular to an active air intake grille for automobiles. BACKGROUND

[0002] In recent years, with the rise in oil prices and the promotion of energy saving and emission reduction, a series of methods have emerged to achieve energy saving and emission reduction of automobiles. The active air intake grille is a new technology in recent years, which optimizes the aerodynamic performance and reduces the wind resistance, thereby reducing fuel consumption. The air intake grille is an important part of the front styling of the automobile, which affects the design style of the whole vehicle and is also the entrance of air flow into the engine compartment of the automobile. It measures the engine water temperature, oil temperature, air conditioning system state, intake temperature and other information, and reasonably controls the opening change of the front air intake grille according to different driving conditions of the automobile, so as to change the amount of cooling air entering the engine compartment, reduce the internal circulation resistance, and improve the fuel economy of the whole vehicle. The existing air intake grille, when the blades are closed during high-speed driving of the automobile, the blades will be deformed when they are affected by the wind, resulting in gaps between the two blades or between the blades and the outer frame wall, which increases the wind resistance and has disadvantages. SUMMARY

[0003] The purpose of the present application is to solve the above technical problems and provide an active air intake grille for automobiles.

[0004] The technical scheme of the present application is an active air intake grille for automobiles, which comprises an outer frame, a skeleton, a driving device, a plurality of round rods and a plurality of blades with semicircular ends. The skeleton is arranged in the middle of the outer frame, the round rods are rotatably arranged on the outer frame and pass through the skeleton, the blades are arranged on both sides of the middle part of the round rods, the skeleton is provided with a through cavity and a plurality of through sliding grooves, the cavity is communicated with the sliding grooves, and the driving device is arranged in the cavity to drive the rotation of the plurality of round rods. The active air intake grille further comprises a driving mechanism, a plurality of first abutting plates, a plurality of second abutting plates, a plurality of third abutting plates, a plurality of connecting rods and a plurality of buffer devices. The end of the connecting rod is slidably arranged in the sliding groove, the end of the first abutting plate, the second abutting plate and the third abutting plate is arc-shaped, the first abutting plate and the third abutting plate are arranged at both ends of the connecting rod respectively, the second abutting plate can rotate relative to the third abutting plate, and the buffer device is arranged between the second abutting plate and the third abutting plate. The driving mechanism is connected with the driving device to drive the connecting rod to act, so that the first abutting plate, the second abutting plate and the third abutting plate are separated from or contacted with the end of the blade.

[0005] Preferably, the driving device comprises an electric driving device, a screw rod, a plurality of moving plates, a rack plate, a first gear, a rotating rod and a second gear, the electric driving device is arranged in the cavity for driving the screw rod to rotate, a plurality of moving plates are arranged on the screw rod at intervals and one end of the moving plate is slidably connected with the framework, the rack plate is arranged on one side of the moving plate, the rotating rod is rotatably arranged on the wall in the cavity, the first gear is arranged on the rotating rod and engaged with the rack plate, and the second gear is arranged on the rotating rod and engaged with the first gear.

[0006] Preferably, the diameter of the first gear is greater than that of the second gear.

[0007] Preferably, the length and thickness of the first and third abutting plates are greater than the length and width of the sliding groove.

[0008] Preferably, a placing groove is arranged on the framework and communicates with the cavity and the sliding groove, and the driving mechanism comprises a plurality of inclined plates and first springs, the inclined plates are arranged on the driving device, and the first springs are arranged in the placing groove and abut against one side of the connecting rod.

[0009] Preferably, the driving mechanism further comprises a plurality of blocking rods, which are arranged on one side of the connecting rod and one side of the wall of the placing groove and sleeved in the first springs.

[0010] Preferably, a plurality of swing rods are arranged on the second abutting plate, a plurality of swing grooves are arranged on the third abutting plate, and the swing rods are rotatably connected with the walls of the swing grooves; the buffering device comprises a plurality of second springs, and the second springs are arranged between the second abutting plate and the third abutting plate.

[0011] The beneficial effects of the present application are: in the present application, when the automobile is running at high speed, the blades are not easy to deform under the action of wind, so that no gap is formed between the two blades or between the blade and the outer frame wall, wind is prevented from entering the automobile interior through the grille, dust is prevented from entering the cavity, and the subsequent gears are prevented from being not smoothly matched, so as to cause the blades to be not smoothly opened or closed. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the overall structure front view of the preferred embodiment of the present application;

[0013] Figure 2 is Figure 1 is the sectional view along the AA direction in

[0014] Figure 3 is Figure 2 is the local enlarged view of C in

[0015] Figure 4 is Figure 1 a sectional view along the direction of BB in the middle;

[0016] Figure 5 is Figure 4 a partial enlarged view at D in the middle;

[0017] Figure 6 is a front view of the connection of the round rod and the blade in the preferred embodiment of the present application;

[0018] Figure 7 is a front view of the connection of the first abutting plate and the connecting rod in the preferred embodiment of the present application;

[0019] Figure 8 is a front view of the connection of the second abutting plate, the third abutting plate and the connecting rod in the preferred embodiment of the present application;

[0020] Figure 9 is a schematic view of the connection of the first gear and the rotating rod in the preferred embodiment of the present application.

[0021] Reference signs: outer frame 10, skeleton 2, cavity 201, sliding groove 202, placing groove 203, round rod 3, blade 4, first abutting plate 5, second abutting plate 6, swing rod 601, third abutting plate 7, swing groove 701, recess 702, connecting rod 8, electric drive device 9, screw rod 11, moving plate 12, rack plate 13, first gear 14, rotating rod 15, second gear 16, inclined plate 17, first spring 18, blocking rod 19, second spring 20. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0023] With reference to Figures 1 to 9The utility model provides an active air intake grille for automobile, including outer frame 10, skeleton 2, drive arrangement and the equal number of round bar 3 and two ends are semicircular blade 4, skeleton 2 sets up in the middle part in outer frame 10, round bar 3 rotatably sets up on outer frame 10 and its passes through skeleton 2, and the equal number of blade 4 is equipped on the two sides of the middle part of round bar 3, skeleton 2 is equipped with the cavity 201 of through and the equal number of through sliding slot 202, the cavity 201 with sliding slot 202 is communicated, and drive arrangement sets up in the cavity 201 for driving the equal number of round bar 3 rotation, still including drive mechanism and the equal number of first abutment plate 5, second abutment plate 6, third abutment plate 7, connecting rod 8 and buffer device, the end of connecting rod 8 is slidably arranged in sliding slot 202, the end of first abutment plate 5, second abutment plate 6 and third abutment plate 7 is arc-shaped, and first abutment plate 5 and third abutment plate 7 are arranged at the two ends of connecting rod 7 respectively, second abutment plate 6 can rotate relative to third abutment plate 7, and buffer device is arranged between the two, drive mechanism is linked with drive arrangement for driving connecting rod 8 to act to make first abutment plate 5, second abutment plate 6 and third abutment plate 7 and blade 4 end part separate or contact, in the utility model, when blade 4 is in closed state, the arc-shaped end face of first abutment plate 5, second abutment plate 6 and third abutment plate 7 is attached with the semicircular part of blade 4, when the vehicle needs to be cooled, drive mechanism can drive round bar 3 to rotate, drive mechanism actuates connecting rod 8 to slide to left in sliding slot 202 to make first abutment plate 5, second abutment plate 6 and third abutment plate 7 move left and away from blade 4, and blade 4 is opened and is in horizontal state, when the engine preheating time is reduced in cold weather, drive mechanism can drive round bar 3 to reverse rotation, drive mechanism actuates connecting rod 8 to slide to right in sliding slot 202 to make first abutment plate 5, second abutment plate 6 and third abutment plate 7 move right and attach with blade 4, make blade 4 close, when blade 4 is in the process of opening or closing, blade 4 will abut with second abutment plate 6, and second abutment plate 6 is rotated relative to third abutment plate 7 and extrudes buffer device under the action of force, when blade 4 is in vertical state or horizontal state, buffer device makes second abutment plate 6 return to the original position, when the vehicle speed is higher, blade 4 needs to be closed, and the end of first abutment plate 5, second abutment plate 6 and third abutment plate 7 is closely attached with the end of blade 4, so that blade 4 is not easy to deform when being acted on by wind, and no gap is formed between two blades 4 or between blade 4 and the wall of outer frame 10, to avoid that wind enters the inside of the automobile through the grille.

[0024] As a preferred embodiment of the present application, it can also have the following additional technical features:

[0025] In the embodiment, the driving device comprises the power driving device 9, the screw rod 11, and a plurality of moving plates 12, rack plates 13, first gears 14, rotating rods 15 and second gears 16, the power driving device 9 is arranged in the cavity 201 for driving the screw rod 11 to rotate, a plurality of moving plates 12 are arranged on the screw rod 11 at intervals and one end of each moving plate 12 is slidably connected to the framework 2, each moving plate 12 is provided with a rack plate 13 on one side, each rotating rod 15 is rotatably arranged on a wall in the cavity 201, each rotating rod 15 is provided with the first gear 14 which is engaged with the rack plate 13, and the circular rod 3 is provided with the second gear 16 which is engaged with the first gear 14. When the power driving device 9 works, the screw rod 11 is driven to rotate, the moving plate 12 moves downward to drive the first gear 14 to rotate counterclockwise, the second gear 16 is driven to rotate clockwise, and the blade 4 is further driven to rotate to open. When the power driving device 9 works, the screw rod 11 is reversely driven to rotate, the moving plate 12 moves upward to drive the first gear 14 to rotate clockwise, the second gear 16 is driven to rotate counterclockwise, and the blade 4 is further driven to rotate to close. Specifically, the power driving device 9 is a motor; the framework 2 is provided with a long slot on the wall, and one end of each moving plate 12 can slide in the long slot.

[0026] In the embodiment, the first gear 14 has a larger diameter than the second gear 16. The second gear 16 is a pinion gear, which rotates faster to make the blade 4 open or close faster, and can reduce the distance of the moving plate 12 moving upward or downward.

[0027] In the embodiment, the first abutting plate 5 and the third abutting plate 7 have a length and a thickness greater than the length and the width of the sliding groove 202. The cavity 201 on the framework 2 is relatively sealed to prevent dust from entering the cavity 201 and causing the rack plate 13, the first gear 14 and the second gear 16 to cooperate smoothly.

[0028] In the embodiment, the framework 2 is provided with a placing groove 203 which is communicated with the cavity 201 and the sliding groove 202; the driving mechanism comprises a plurality of inclined plates 17 and first springs 18, the inclined plates 17 are arranged on the driving device, and the first springs 18 are arranged in the placing groove 203 and abut against one side of the connecting rod 8. The original state of the first spring 18 is in a compressed state. When the moving plate 12 moves downward, the inclined plate 17 moves downward, the first spring 18 exerts a reaction force on the connecting rod 8 to make it move leftward, and further drive the first abutting plate 5, the second abutting plate 6 and the third abutting plate 7 to move leftward away from the blade 4. When the moving plate 12 moves upward, the inclined plate 17 moves upward, the connecting rod 8 moves rightward under the action of the inclined plate 17 and compresses the first spring 18, so that the first abutting plate 5, the second abutting plate 6 and the third abutting plate 7 move rightward and tightly abut against the blade 4.

[0029] In the embodiment, the driving mechanism further comprises a plurality of stop rods 19, which are respectively arranged on one side of the connecting rod 8 and one side of the wall of the placing groove 203, and are sleeved in the first spring 18. The first spring 18 is prevented from falling out of the placing groove 203.

[0030] In the embodiment, the second abutting plate 6 is provided with a plurality of swing rods 601, the third abutting plate 7 is provided with a plurality of swing grooves 701, the swing rod 601 is rotationally connected with the wall of the swing groove 701, and the buffering device comprises a plurality of second springs 20, which are arranged between the second abutting plate 6 and the third abutting plate 7. The first gear 14 is larger in diameter than the second gear 16, the round rod 3 rotates faster, and then the blade 4 rotates faster. During the opening or closing process of the blade 4, the blade 4 will interfere with the end of the second abutting plate 6. When the blade 4 is opened, the second abutting plate 6 will rotate counterclockwise and press the left second spring 20. After the blade 4 is opened, the left second spring 20 applies force to the second abutting plate 6 to make it return to the original position. When the blade 4 is closed, the second abutting plate 6 will rotate clockwise under the action of the blade 4 and press the right second spring 20. After the blade 4 is closed, the right second spring 20 applies force to the second abutting plate 6 to make it return to the original position. Specifically, the swing rod 601 is provided with a round rod on both sides, the round rod is rotationally connected with the wall of the swing groove 701, the third abutting plate 7 is provided with a plurality of grooves 702, one end of the second spring 20 is fixed in the groove 702, and the other end is in abutment with the bottom of the second abutting plate 6.

[0031] It should be noted that the terms "comprising", "containing", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or apparatus that includes the element.

[0032] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An active air intake grille for automobiles, comprising an outer frame (10), a skeleton (2), a drive device, and a plurality of round rods (3) and blades (4) with semi-circular ends, wherein the skeleton (2) is disposed in the middle of the outer frame (10), the round rods (3) are rotatably disposed on the outer frame (10) and pass through the skeleton (2), and the blades (4) are provided on both sides of the upper middle portion of the round rods (3), characterized in that, The skeleton (2) is provided with a through cavity (201) and a plurality of through grooves (202), the cavity (201) communicates with the grooves (202), the driving device is arranged in the cavity (201) for driving a plurality of the round rods (3) to rotate; further comprising a driving mechanism and a plurality of first abutting plates (5), second abutting plates (6), third abutting plates (7), connecting rods (8) and buffer devices, the connecting rod (8) end is slidably arranged in the groove (202), the first abutting plate (5), the second abutting plate (6) and the third abutting plate (7) end are arc-shaped and the first abutting plate (5) and the third abutting plate (7) are arranged at both ends of the connecting rod (8), the second abutting plate (6) can rotate relative to the third abutting plate (7) and the buffer device is arranged therebetween, the driving mechanism is linked with the driving device for driving the connecting rod (8) to act to make the first abutting plate (5), the second abutting plate (6) and the third abutting plate (7) separate or contact with the blade (4) end; The driving device comprises a power driving device (9), a screw rod (11) and a plurality of moving plates (12), rack plates (13), first gears (14), rotating rods (15) and second gears (16), the power driving device (9) is arranged in the cavity (201) for driving the screw rod (11) to rotate, the screw rod (11) is provided with a plurality of moving plates (12) at intervals and one end of the moving plate (12) is slidably connected with the skeleton (2), the moving plate (12) is provided with a rack plate (13) on one side, the rotating rod (15) is rotatably arranged on the wall in the cavity (201), the rotating rod (15) is provided with the first gear (14) engaged with the rack plate (13), the round rod (3) is provided with the second gear (16) engaged with the first gear (14); The skeleton (2) is provided with a placing groove (203), the placing groove (203) communicates with the cavity (201) and the groove (202); the driving mechanism comprises a plurality of inclined plates (17) and first springs (18), the inclined plate (17) is arranged on the driving device, the first spring (18) is arranged in the placing groove (203) and abuts against one side of the connecting rod (8); When the moving plate (12) moves downward, the inclined plate (17) moves downward, the first spring (18) reacts on the connecting rod (8) to make it move, and then drives the first abutting plate (5), the second abutting plate (6) and the third abutting plate (7) to move away from the blade (4); when the moving plate (12) moves upward, the inclined plate (17) moves upward, the connecting rod (8) is driven by the force of the inclined plate (17) to move and press the first spring (18), so that the first abutting plate (5), the second abutting plate (6) and the third abutting plate (7) move to tightly contact the blade (4).

2. The active grille shutter of claim 1, wherein: The first gear (14) is larger in diameter than the second gear (16).

3. The active grille shutter of claim 1, wherein: The length and thickness of the first abutting plate (5) and the third abutting plate (7) are greater than the length and width of the chute (202).

4. The active grille shutter of claim 1, wherein: The driving mechanism further comprises a plurality of stop rods (19) respectively arranged on one side of the connecting rod (8) and one side of the wall of the placing groove (203) and sleeved in the first spring (18).

5. The active grille shutter of claim 1, wherein: The second abutting plate (6) is provided with a plurality of swing rods (601), the third abutting plate (7) is provided with a plurality of swing grooves (701), the swing rod (601) is rotationally connected with the wall of the swing groove (701); the buffer device comprises a plurality of second springs (20), and the second spring (20) is arranged between the second abutting plate (6) and the third abutting plate (7).

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