Automobile grille air guide device

Abstract

The utility model aims to provide an automobile grille air guide device, which solves the problem of overlarge air inlet resistance of an automobile, and comprises a housing, a rotating component and a first blade component, the rotating component is arranged in the housing, the housing is provided with a first air inlet, a middle blade is positioned at the first air inlet, and the first blade component is positioned at the second air inlet. The middle blade has two states of opening and closing the first air inlet in the rotating process, due to the fact that the middle blade has the two states of opening and closing the first air inlet in the rotating process, air enters when the first air inlet is opened, air is blocked when the first air inlet is closed, and when the middle blade rotates to be opened, the first air inlet is closed. The middle blade is provided with the side curved surface, so that the inclined windward side of the middle blade is the curved surface, the resistance of the curved surface to the air is reduced, the air inlet amount of the first air inlet is increased, the air inlet speed is high, and the problem that the air inlet resistance of an automobile is too large is solved.

Description

Technical Field

[0001] The utility model relates to the field of automobile air intake, in particular to an automobile grille air guide device. Background Art

[0002] Most of the current air intake grille plates are flat plates. After the air intake grille plates rotate, they are tilted. For a moving car, the air intake speed is relatively fast. Such tilted air intake grille plates have resistance to the gas. Accordingly, the air intake speed is slow and the amount of air required by the car is insufficient.

[0003] How to reduce the resistance of air intake when a car is running is a problem that needs to be solved. Utility Model Content

[0004] The utility model aims to provide an automobile grille wind guide device, which solves the problem of excessive air intake resistance of the automobile.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The utility model provides an automobile grille air guide device, comprising a cover shell, a rotating assembly and a first blade assembly, wherein the rotating assembly is arranged in the cover shell, and is characterized in that:

[0007] The rotating assembly includes a motor;

[0008] The first blade assembly includes an intermediate blade, the longitudinal end of the intermediate blade is connected to the first driving end of the motor, the windward side of the intermediate blade has a side curved surface, and the side curved surface extends along the longitudinal direction of the intermediate blade;

[0009] The housing has a first air inlet, the middle blade is located at the first air inlet, and the middle blade has two states of opening and closing the first air inlet during rotation.

[0010] Optionally, the side curved surface includes a left curved surface and a right curved surface, and the left curved surface and the right curved surface are respectively located on the side surfaces of the middle blade.

[0011] Optionally, the middle blade also has an integrally formed middle lap edge, which is located on the inner side of the middle blade. The first blade assembly also includes an upper blade and a lower blade. The upper blade also has an integrally formed upper lap edge, which is located on the inner side of the upper blade. The lower blade also has an integrally formed lower lap edge, which is located on the inner side of the lower blade.

[0012] Furthermore, an intermediate connecting block is provided on the intermediate blade, the intermediate connecting block is arranged opposite to the side curved surface, and a connecting claw is rotatably provided on the intermediate connecting block.

[0013] Furthermore, the connecting claw has a horizontal bar, a middle rod, an upper rod and a lower rod, the upper blade is provided with an upper connecting block, the lower blade is provided with a lower connecting block, the middle rod, the upper rod and the lower rod are arranged on the horizontal bar at intervals, the middle rod is rotatably connected to the middle connecting block, the upper rod is rotatably connected to the upper connecting block, and the lower rod is rotatably connected to the lower connecting block.

[0014] Furthermore, the rotating assembly also includes an auxiliary shell and a fixed shell, the fixed shell is arranged in the cover shell, the motor is fixed in the fixed shell, the auxiliary shell covers the fixed shell, and the first rotating groove and the second rotating groove are symmetrically arranged on the two side walls of the fixed shell. The first blade assembly is provided with a first rotating shaft, the first rotating shaft is located on the middle blade, the first rotating shaft is connected to the driving end of the motor, and the first rotating shaft can be rotatably arranged in the first rotating groove.

[0015] Furthermore, a second air inlet is provided on the cover shell, and the second air inlet is symmetrically arranged with the first air inlet. A second blade assembly is provided in the second air inlet, and the second blade assembly is symmetrically arranged with the first blade assembly. A second rotating shaft is provided on the second blade assembly, and the second rotating shaft is connected to the second driving end of the motor, and the second rotating shaft is rotatably arranged in the second rotating groove.

[0016] Furthermore, a first limiting groove and a second limiting groove are respectively provided on both sides of the first rotating groove, a first limiting rod and a second limiting rod are correspondingly provided on the first blade assembly, the first limiting rod is provided on the upper blade, the second limiting rod is provided on the lower blade, a first clamping slot and a second clamping slot are provided on the auxiliary shell, the first limiting rod is rotatably provided in the first limiting groove, the second limiting rod is rotatably provided in the second limiting groove, a first limiting block and a second limiting block are respectively provided on both sides of the first clamping slot, the first limiting block is clamped in the first limiting groove, and the second limiting block is clamped in the second limiting groove.

[0017] Furthermore, a third limit block and a fourth limit block are respectively provided on both sides of the second slot, a third limit rod and a fourth limit rod are provided on the second blade assembly, and a third limit groove and a fourth limit groove are also provided on the fixed shell, the third limit rod can be rotatably set in the third limit groove, the fourth limit rod can be rotatably set in the fourth limit groove, the third limit block is clamped in the third limit groove, and the fourth limit block is clamped in the fourth limit groove.

[0018] Further, a first support plate is disposed in the first air inlet, the first blade assembly is rotatably disposed on the first support plate, a second support plate is disposed in the second air inlet, the second blade assembly is rotatably disposed on the second support plate, and the first support plate and the second support plate are symmetrically disposed.

[0019] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0020] The utility model discloses an automobile grille air guide device. Since the middle blade has two states of opening and closing the first air inlet during rotation, the first air inlet takes in air when it is open, and blocks air when it is closed. When the middle blade rotates to open, air can be taken in from the first air inlet. The middle blade has a side curved surface. The windward side of the inclined middle blade has a curved surface, and the resistance of the curved surface to the gas is reduced, thereby increasing the air intake volume of the first air inlet and increasing the air intake speed. Therefore, the problem of excessive air intake resistance of the automobile is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0022] Figure 1 It is a three-dimensional diagram of an automobile grille air guide device according to a preferred embodiment of the utility model;

[0023] Figure 2 yes Figure 1 A rear view shown without the first blade assembly and the second blade assembly;

[0024] Figure 3 yes Figure 1 Rear view;

[0025] Figure 4 yes Figure 3 Rear view shown without shroud;

[0026] Figure 5 yes Figure 4 An enlarged view of part B is shown;

[0027] Figure 6 yes Figure 4 The front view shown;

[0028] Figure 7 yes Figure 6 An enlarged view of part C is shown;

[0029] Figure 8 yes Figure 2 An enlarged view of section A is shown;

[0030] Fig. 9 is a structural diagram of a first support plate and a first blade assembly;

[0031] Fig.10 yes Fig. 9 A structural diagram showing the first support plate being separated from the first blade assembly;

[0032] Fig.11 It is an enlarged view of the side surface;

[0033] Fig.12 It is a schematic diagram of the structure of the upper blade, the middle blade and the lower blade.

[0034] The reference numerals are described as follows:

[0035] 1. Cover shell; 2. Rotating assembly; 3. First blade assembly; 4. Second blade assembly; 10. Fixed shell; 11. First air inlet; 12. Second air inlet; 13. First card slot; 14. Second card slot; 15. Third limit slot; 16. Fourth limit slot; 17. First support plate; 18. Second support plate; 19. Upper stop bar; 20. Lower stop bar; 21. Motor; 22. Auxiliary shell; 23. First limit block; 24. Second limit block; 31. Middle blade; 32. Side curved surface; 33. Upper blade; 34. Lower blade; 35. Middle connecting block; 36. Transmission claw; 43. Third limit rod; 44. Fourth limit rod; 171. Upper groove; 172. Middle groove; 173. Lower groove; 175. Upper block; 176. Middle block; 177. Lower block;

[0036] 211, first rotation slot; 212, second rotation slot; 213, third limit block; 214, fourth limit block; 221, first limit slot; 222, second limit slot; 311, first rotation axis; 313, first limit rod; 314, second limit rod; 315, first inclined plane; 316, second inclined plane; 317, middle span rod; 321, left curved surface; 322, right curved surface; 331, upper connecting block; 323, middle overlapping edge; 333, upper overlapping edge; 335, third inclined plane; 336, fourth inclined plane; 337, upper span rod; 341, lower connecting block; 343, lower overlapping edge; 345, fifth inclined plane; 346, sixth inclined plane; 347, lower span rod; 361, horizontal bar; 362, middle rod; 363, upper rod; 364, lower rod; 412, second rotation axis. DETAILED DESCRIPTION

[0037] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0039] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0040] like Figure 1 and Figure 2 and Figure 3 As shown, it includes a housing 1 , a rotating assembly 2 and a first blade assembly 3 . The rotating assembly 2 is arranged in the housing 1 , and the rotating assembly 2 includes a motor 21 .

[0041] The first blade assembly 3 includes an intermediate blade 31, and the lengthwise end of the intermediate blade 31 is connected to the first driving end of the motor 21. The rotating assembly 2 is arranged at a central position in the cover 1. The motor 21 has a first driving end and a second driving end. The windward side of the intermediate blade 31 has a side curved surface 32, and the side curved surface 32 extends along the length direction of the intermediate blade 31. The length of the side curved surface 32 is consistent with the length of the intermediate blade 31.

[0042] The housing 1 has a first air inlet 11 and a second air inlet 12 , the rotating assembly 2 is arranged between the first air inlet 11 and the second air inlet 12 , and the first air inlet 11 and the second air inlet 12 are symmetrically arranged.

[0043] The first blade assembly 3 is located in the first air inlet 11, and the second blade assembly 4 is arranged in the second air inlet 12. The first blade assembly 3 and the second blade assembly 4 are arranged symmetrically, so there is an intermediate blade 31 located in the first air inlet 11. The intermediate blade 31 has two states of opening and closing the first air inlet 11 during rotation.

[0044] In the initial position, the middle blade 31 blocks the first air inlet 11, so that the first air inlet 11 is closed. When the first air inlet 11 needs to be opened, the first driving end of the motor 21 drives the middle blade 31 to rotate, so that the top and bottom ends of the first air inlet 11 are opened, and gas can enter. However, when the gas enters, part of the gas contacts the side curved surface 32, and the side curved surface 32 has a small resistance to the gas, so the gas quickly enters the first air inlet 11, and the air intake per unit time is large.

[0045] The upper blade 33 and the lower blade 34 both have side curved surfaces 32 , which facilitate the entry of gas from the first air inlet 11 .

[0046] A first support plate 17 is provided in the first air inlet 11, and the first blade assembly 3 is rotatably provided on the first support plate 17, so that the two ends of the first blade assembly 3 are respectively connected by the first support plate 17 and the first driving end of the motor 21, and a second support plate 18 is provided in the second air inlet 12, and the second blade assembly 4 is rotatably provided on the second support plate 18, and the first support plate 17 and the second support plate 18 are symmetrically provided.

[0047] like Figure 4 and Figure 5 As shown, an intermediate connecting block 35 is provided on the intermediate blade 31. The intermediate connecting block 35 is arranged opposite to the side curved surface 32. The intermediate connecting block 35 is arranged on the inner wall of the intermediate blade 31. A transmission claw 36 is rotatably provided on the intermediate connecting block 35. When the intermediate blade 31 rotates, the transmission claw 36 is driven to rotate through the intermediate connecting block 35. A pair of transmission claws 36 are provided. A transmission claw 36 is also provided on the second blade assembly 4.

[0048] The transmission claw 36 has a cross bar 361, a middle rod 362, an upper rod 363 and a lower rod 364. The upper blade 33 is provided with an upper connecting block 331, and the lower blade 34 is provided with a lower connecting block 341. The middle rod 362, the upper rod 363 and the lower rod 364 are arranged on the cross bar 361 at intervals. The middle rod 362 is rotatably connected to the middle connecting block 35, and the upper rod 363 is rotatably connected to the upper connecting block 331. When the middle blade 31 rotates, the middle rod 362 is driven to rotate by the middle connecting block 35, and the middle rod 362 drives the transmission claw 36 to rotate, that is, the upper connecting block 331 is driven to rotate by the upper rod 363, the upper connecting block 331 drives the upper blade 33 to rotate, the lower rod 364 drives the lower connecting block 341 to rotate, and the lower connecting block 341 drives the lower blade 34 to rotate, so that the upper blade 33, the lower blade 34 and the middle blade 31 rotate together.

[0049] like Figure 6 and Figure 7 and Figure 8As shown, the rotating assembly 2 also includes an auxiliary shell 22 and a fixed shell 10, the fixed shell 10 is arranged in the cover shell 1, the motor 21 is fixed in the fixed shell 10, and the auxiliary shell 22 covers the fixed shell 10, so that the auxiliary shell 22 covers the motor 21 in the fixed shell 10, and the first rotating groove 211 and the second rotating groove 212 are symmetrically arranged on the two side walls of the fixed shell 10, and the first rotating shaft 311 is arranged on the first blade assembly 3, the first rotating shaft 311 is located on the middle blade 31, the first rotating shaft 311 is connected to the driving end of the motor 21, and the first rotating shaft 311 can be rotatably arranged in the first rotating groove 211.

[0050] The second blade assembly 4 is provided with a second rotating shaft 412 . The second rotating shaft 412 is connected to the second driving end of the motor 21 . The second rotating shaft 412 is rotatably disposed in the second rotating groove 212 .

[0051] The auxiliary shell 22 is provided with a first card slot 13 and a second card slot 14, and the first card slot 13 is provided with a first limit block 23 and a second limit block 24 on both sides thereof, and the first rotation groove 211 is provided with a first limit slot 221 and a second limit slot 222 on both sides thereof, and the first blade assembly 3 is correspondingly provided with a first limit rod 313 and a second limit rod 314, the first limit rod 313 is provided on the upper blade 33, and the second limit rod 314 is provided on the lower blade 34, the first limit rod 313 is rotatably provided in the first limit slot 221, and the second limit rod 314 is rotatably provided in the second limit slot 222.

[0052] The first limit block 23 is clamped in the first limit groove 221, the second limit block 24 is clamped in the second limit groove 222, the first clamping slot 13 is connected to the first rotating slot 211, the first limit rod 313 is limited by the first limit block 23 and the first limit groove 221, the second limit rod 314 is limited by the second limit block 24 and the second limit groove 222, the first limiting rotation axis 311 is surrounded by the first clamping slot 13 and the first rotating slot 211, the second clamping slot 14 is connected to the second rotating slot 212, the second rotating axis 412 is surrounded by the second clamping slot 14 and the second limit groove 222, the first limiting rotation axis 311 is limited by the first clamping slot 13 and the first rotating slot 211, and the second rotating axis 412 is limited by the second clamping slot 14 and the second limit groove 222.

[0053] A third limiting block 213 and a fourth limiting block 214 are respectively provided on both sides of the second slot 14, a third limiting rod 43 and a fourth limiting rod 44 are provided on the second blade assembly 4, and a third limiting groove 15 and a fourth limiting groove 16 are also provided on the auxiliary shell 22. The third limiting rod 43 is rotatably set in the third limiting groove 15, and the fourth limiting rod 44 is rotatably set in the fourth limiting groove 16. The third limiting block 213 is clamped in the third limiting groove 15, and the fourth limiting block 214 is clamped in the fourth limiting groove 16. In this way, the third limiting rod 43 is limited by the third limiting block 213 and the third limiting groove 15, and the fourth limiting rod 44 is limited by the fourth limiting block 214 and the fourth limiting groove 16.

[0054] like Fig. 9 and Fig.10 As shown, the extending end of the middle blade 31 has a first inclined surface 315 and a second inclined surface 316, and the extending end of the middle blade 31 also has an intermediate rod 317, the first inclined surface 315 and the second inclined surface 316 are respectively located on both sides of the intermediate rod 317, the extending end of the upper blade 33 has a third inclined surface 335 and a fourth inclined surface 336, the extending end of the upper blade 33 also has an upper rod 337, the third inclined surface 335 and the fourth inclined surface 336 are respectively located on both sides of the upper rod 337, the extending end of the lower blade 34 has a fifth inclined surface 345 and a sixth inclined surface 346, and a lower rod 347, the fifth inclined surface 345 and the sixth inclined surface 346 are respectively located on both sides of the lower rod 347.

[0055] An upper groove 171, a middle groove 172 and a lower groove 173 are provided on the first support plate 17. An upper bridge block 175 is provided on the inner side wall of the upper groove 171, a middle bridge block 176 is provided on the inner side wall of the middle groove 172, and a lower bridge block 177 is provided on the inner side wall of the lower groove 173. The shape of the upper groove 171 matches the third inclined surface 335 and the fourth inclined surface 336, the shape of the middle groove 172 matches the first inclined surface 315 and the second inclined surface 316, and the shape of the lower groove 173 matches the fifth inclined surface 345 and the sixth inclined surface 346.

[0056] The middle span rod 317 is overlapped on the middle span block 176 , the upper span rod 337 is overlapped on the upper span block 175 , and the lower span rod 347 is overlapped on the lower span block 177 .

[0057] like Fig.11 As shown, the side curved surface 32 includes a left curved surface 321 and a right curved surface 322, the left curved surface 321 and the right curved surface 322 are respectively located on both sides of the middle blade 31, the left curved surface 321 is located on the upper side of the middle blade 31, the right curved surface 322 is located on the lower side of the middle blade 31, and the middle overlapping edge 323 on the middle blade 31.

[0058] like Fig.12As shown, the middle blade 31 also has an integrally formed middle lap edge 323, which is located on the inner side of the middle blade 31, and the middle lap edge 323 is bent and connected to the middle blade 31. The first blade assembly 3 also includes an upper blade 33 and a lower blade 34. The upper blade 33 also has an integrally formed upper lap edge 333, which is bent and connected to the upper blade 33, and the upper lap edge 333 is located on the inner side of the upper blade 33. The lower blade 34 also has an integrally formed lower lap edge 343, which is located on the inner side of the lower blade 34, and the lower lap edge 343 is bent and connected to the lower blade 34.

[0059] An upper baffle 19 is provided at the upper end of the first air inlet 11, and a lower baffle 20 is provided at the lower end of the first air inlet 11. The upper blade 33 is located above the middle blade 31, and the lower blade 34 is located below the middle blade 31. When the first air inlet 11 is closed, that is, when the first blade assembly 3 closes the first air inlet 11, the middle overlapping edge 323 is attached to the bottom inner wall of the upper blade 33, the bottom end of the upper blade 33 is connected to the upper end of the middle blade 31, the upper overlapping edge 333 is attached to the upper baffle 19, the lower overlapping edge 343 is attached to the bottom inner wall of the middle blade 31, and the lower baffle 20 is attached to the bottom inner wall of the lower blade 34, so that the first air inlet 11 is closed.

[0060] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly. They cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An automobile grille air guide device, comprising a housing (1), a rotating assembly (2) and a first blade assembly (3), wherein the rotating assembly (2) is arranged in the housing (1), and is characterized in that: The rotating assembly (2) comprises a motor (21); The first blade assembly (3) comprises an intermediate blade (31), the end of the intermediate blade (31) in the length direction is connected to the first driving end of the motor (21), the windward side of the intermediate blade (31) has a side curved surface (32), and the side curved surface (32) extends along the length direction of the intermediate blade (31); The housing (1) has a first air inlet (11), the intermediate blade (31) is located at the first air inlet (11), and the intermediate blade (31) has two states of opening and closing the first air inlet (11) during rotation.

2. The automobile grille air guide device according to claim 1, characterized in that: The side curved surface (32) comprises a left curved surface (321) and a right curved surface (322), and the left curved surface (321) and the right curved surface (322) are respectively located on two sides of the middle blade (31).

3. The automobile grille air guide device according to claim 1, characterized in that: The middle blade (31) also has an integrally formed middle lap edge (323), and the middle lap edge (323) is located on the inner side of the middle blade (31). The first blade assembly (3) further comprises an upper blade (33) and a lower blade (34). The upper blade (33) also has an integrally formed upper lap edge (333), and the upper lap edge (333) is located on the inner side of the upper blade (33). The lower blade (34) also has an integrally formed lower lap edge (343), and the lower lap edge (343) is located on the inner side of the lower blade (34).

4. The automobile grille air guide device according to claim 3, characterized in that: An intermediate connecting block (35) is provided on the intermediate blade (31), the intermediate connecting block (35) is arranged opposite to the side curved surface (32), and a transmission claw (36) is rotatably provided on the intermediate connecting block (35).

5. The automobile grille air guide device according to claim 4, characterized in that: The transmission claw (36) comprises a horizontal bar (361), a middle rod (362), an upper rod (363) and a lower rod (364); an upper connecting block (331) is provided on the upper blade (33); a lower connecting block (341) is provided on the lower blade (34); the middle rod (362), the upper rod (363) and the lower rod (364) are arranged on the horizontal bar (361) at intervals; the middle rod (362) is rotatably connected to the middle connecting block (35); the upper rod (363) is rotatably connected to the upper connecting block (331); and the lower rod (364) is rotatably connected to the lower connecting block (341).

6. The automobile grille air guide device according to claim 5, characterized in that: The rotating assembly (2) further comprises an auxiliary shell (22) and a fixed shell (10); the fixed shell (10) is arranged in the cover shell (1); the motor (21) is fixed in the fixed shell (10); the auxiliary shell (22) covers the fixed shell (10); a first rotating groove (211) and a second rotating groove (212) are symmetrically arranged on two side walls of the fixed shell (10); a first rotating shaft (311) is arranged on the first blade assembly (3); the first rotating shaft (311) is located on the middle blade (31); the first rotating shaft (311) is connected to a driving end of the motor (21); and the first rotating shaft (311) is rotatably arranged in the first rotating groove (211).

7. The automobile grille air guide device according to claim 6, characterized in that: The cover shell (1) is also provided with a second air inlet (12), the second air inlet (12) being symmetrically arranged with the first air inlet (11), a second blade assembly (4) being arranged in the second air inlet (12), the second blade assembly (4) being symmetrically arranged with the first blade assembly (3), a second rotating shaft (412) being arranged on the second blade assembly (4), the second rotating shaft (412) being connected to a second driving end of the motor (21), and the second rotating shaft (412) being rotatably arranged in the second rotating groove (212).

8. The automobile grille air guide device according to claim 7, characterized in that: A first limiting groove (221) and a second limiting groove (222) are respectively arranged on both sides of the first rotating groove (211); a first limiting rod (313) and a second limiting rod (314) are correspondingly arranged on the first blade assembly (3); the first limiting rod (313) is arranged on the upper blade (33); the second limiting rod (314) is arranged on the lower blade (34); a first clamping groove (13) and a second clamping groove (14) are arranged on the auxiliary shell (22); the first limiting rod (313) is rotatably arranged in the first limiting groove (221); the second limiting rod (314) is rotatably arranged in the second limiting groove (222); a first limiting block (23) and a second limiting block (24) are respectively arranged on both sides of the first clamping groove (13); the first limiting block (23) is clamped in the first limiting groove (221); the second limiting block (24) is clamped in the second limiting groove (222).

9. The automobile grille air guide device according to claim 8, characterized in that: A third limiting block (213) and a fourth limiting block (214) are respectively arranged on both sides of the second clamping groove (14); a third limiting rod (43) and a fourth limiting rod (44) are arranged on the second blade assembly (4); a third limiting groove (15) and a fourth limiting groove (16) are also arranged on the fixed shell (10); the third limiting rod (43) is rotatably arranged in the third limiting groove (15); the fourth limiting rod (44) is rotatably arranged in the fourth limiting groove (16); the third limiting block (213) is clamped in the third limiting groove (15); and the fourth limiting block (214) is clamped in the fourth limiting groove (16).

10. The automobile grille air guide device according to claim 9, characterized in that: A first support plate (17) is arranged in the first air inlet (11), and the first blade assembly (3) is rotatably arranged on the first support plate (17); a second support plate (18) is arranged in the second air inlet (12), and the second blade assembly (4) is rotatably arranged on the second support plate (18); the first support plate (17) and the second support plate (18) are symmetrically arranged.

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