Automobile air outlet

Abstract

The utility model relates to the field of automobile parts, in particular to an automobile air outlet which comprises an air outlet shell, a front blade assembly rotationally mounted on the air outlet shell, a rear blade assembly rotationally mounted on the air outlet shell and perpendicular to the front blade assembly, and an inserting plate connected with the front blade assembly and the rear blade assembly. The rear blade assembly comprises an installation support installed on the air outlet shell and a rear blade set inserted into the installation support, the insertion plate is provided with a clamping groove used for being matched with the rear blade set, the rear blade set is provided with a first insertion part, and the installation support is provided with an insertion hole used for allowing the first insertion part to pass through; a limiting groove is formed in the side, facing the first inserting part, of the air outlet shell, a first limiting ratchet face is arranged on the top face of the limiting groove, and the first inserting part is provided with a limiting assembly which is matched with the first limiting ratchet face and used for limiting rotation of the rear blade set. The mounting method has the effect of improving the mounting efficiency of the automobile air outlet.

Description

Technical Field

[0001] This application relates to the field of automotive parts, and in particular to an automotive air vent. Background Technology

[0002] Automotive air conditioning vents are an essential component of automobiles. Existing automotive air vents mainly consist of an air vent housing, a front blade assembly rotatably mounted on the air vent housing, a rear blade assembly rotatably mounted on the air vent housing and arranged perpendicular to the front blade assembly, and a connecting assembly that drives the front and rear blade assemblies. The front blade assembly controls the vertical airflow direction, while the rear blade assembly controls the horizontal airflow direction. The rear blade assembly also contains a drive column that mates with the connecting assembly. During the installation of the automotive air vent, the rear blade assembly is first installed into the air vent housing. Then, the connecting assembly is snapped into the drive column of the rear blade assembly. Finally, the other end of the connecting assembly is connected to the front blade assembly, and the rear blade assembly is installed into the air vent housing.

[0003] Regarding the aforementioned technologies, the inventors believe that during the installation of the aforementioned car air vents, the rear blade assembly is prone to rotation, which can lead to misalignment when the connecting assembly is connected to the transmission column of the rear blade assembly, thus slowing down the installation efficiency of the car air vents. Utility Model Content

[0004] In order to improve the installation efficiency of car air vents, this application provides a car air vent.

[0005] The technical solution for a car air vent provided in this application is as follows:

[0006] An automotive air vent includes an air vent housing, a front blade assembly rotatably mounted on the air vent housing, a rear blade assembly rotatably mounted on the air vent housing and arranged perpendicularly to the front blade assembly, and a connector plate connecting the front blade assembly and the rear blade assembly. The rear blade assembly includes a mounting bracket mounted on the air vent housing and a rear blade group inserted into the mounting bracket. The connector plate has a snap-fit ​​groove for engaging with the rear blade group, and the rear blade group has a first insertion portion. The mounting bracket has an insertion hole for the first insertion portion to pass through. The air vent housing has a limiting groove on one side facing the first insertion portion, and the top surface of the limiting groove has a first limiting ratchet surface. The first insertion portion is provided with a limiting component that engages with the first limiting ratchet surface and restricts the rotation of the rear blade group.

[0007] By adopting the above technical solution, during the installation of the automotive air vent, the rear blade assembly is first inserted into the mounting bracket. Then, the mounting bracket, connected to the rear blade assembly, is installed into the air outlet housing. The rotation of the rear blade assembly is restricted by the engagement between the limiting component on the first insertion part and the first limiting ratchet surface of the upper limiting groove in the air outlet housing. Finally, the transmission between the front and rear blade assemblies is achieved through the insertion engagement between the locking groove on the insertion plate and the rear blade assembly. By restricting the rotation of the rear blade assembly through the limiting component and the first limiting ratchet surface in the limiting groove, the probability of unsatisfactory installation efficiency of the insertion plate due to "slipping" or rotation of the rear blade assembly during installation is effectively reduced, thereby significantly improving the installation efficiency of the automotive air vent.

[0008] Optionally, the limiting component includes a sliding groove formed in the first insertion portion, a sliding rod slidably mounted in the sliding groove, a limiting block connected to the side of the sliding rod away from the first insertion portion and cooperating with the limiting groove, and a limiting spring sleeved on the sliding rod; the limiting block has a second limiting ratchet surface cooperating with the first limiting ratchet surface on the side facing away from the sliding rod, one end of the limiting spring abuts against the top surface of the first insertion portion and the other end abuts against the bottom surface of the limiting block; a positioning component for limiting the sliding rod from dislodging from the sliding groove is also provided between the sliding rod and the first insertion portion.

[0009] By adopting the above technical solution, the specific structure of the limiting component is disclosed. During the installation of the rear blade assembly, when the limiting component on the first insertion part moves to the limiting groove of the air outlet housing, the limiting spring drives the limiting block to move towards the limiting groove, so that the second limiting ratchet surface on the top surface of the limiting block engages with the first limiting ratchet surface in the limiting groove, thereby limiting the rotation of the rear blade assembly. At the same time, the positioning component helps to limit the sliding range of the sliding rod, reducing the probability of the sliding rod dislodging from the sliding groove and ensuring the normal operation of the limiting component.

[0010] Optionally, the positioning assembly includes a positioning post arranged vertically to the sliding rod and extending toward the first insertion portion, and a strip groove formed in the first insertion portion for the positioning post to pass through. The positioning post has a positioning portion extending outside the strip groove, and the positioning portion is fitted with a limiting nut for preventing the positioning post from dislodging from the strip groove.

[0011] By adopting the above technical solution, the specific structure of the positioning component is disclosed. The cooperation between the positioning post and the strip groove effectively restricts the position of the sliding rod in the sliding groove, preventing it from dislodging from the sliding groove under force, thereby improving the stability of the limiting component. The limiting nut on the positioning part further enhances the fixing effect of the positioning post, ensuring that the sliding rod maintains a reliable connection during operation, thus improving the reliability and safety of the overall structure.

[0012] Optionally, the first limiting ratchet surface and the second limiting ratchet surface have a plurality of limiting straight teeth, the cross section of which is an obtuse isosceles triangle.

[0013] By adopting the above technical solution, the cross section of the limiting spur tooth is set as an obtuse isosceles triangle, which enables the first limiting ratchet surface and the second limiting ratchet surface to achieve stable limiting at multiple positions when in contact, while not affecting the subsequent steering adjustment of the rear blade assembly.

[0014] Optionally, the front blade assembly includes multiple parallel front blades, a first connecting rod connected to the front blades and arranged perpendicularly to the front blades, and an adjusting lever installed on the front blades. The plug plate is hinged to the side of the adjusting lever facing the rear blade assembly. The air outlet housing has a mounting groove for mounting the front blades. The front blades have mounting rods at both ends, and the mounting rods include mounting portions that cooperate with the mounting grooves and limiting portions connected to the mounting portions away from the front blades. The air outlet housing has a contact surface at the mounting groove for the two sides of the limiting portion to abut against each other.

[0015] By adopting the above technical solution, the specific structure of the front blade assembly is disclosed. The front blade is mounted on the air outlet housing through the cooperation between the mounting part on the front blade and the mounting groove on the air outlet housing. Simultaneously, the setting of the limiting part helps to axially limit the front blade, reducing the probability of the front blade detaching from the mounting groove. Furthermore, the setting of the abutment surface between the air outlet housing and the mounting groove helps to limit the rotation angle of the front blade, reducing the occurrence of excessive rotation. Finally, the setting of the first connecting rod allows several front blades to move in unison, so that when the rotation angle of the front blades needs to be adjusted, only the adjusting lever needs to be moved to achieve the rotation process of all front blades.

[0016] Optionally, the air outlet housing has a guide slope at the mounting groove.

[0017] By adopting the above technical solution, the guide slope of the air outlet housing at the mounting groove can provide guidance for the installation process of the front blade, which helps to improve the installation efficiency of the front blade.

[0018] Optionally, the limiting part has a plug-in post extending toward the mounting part and the outer side wall of the plug-in post is symmetrically provided with snap-fit ​​blocks. The mounting part has a plug-in groove for inserting the plug-in post and a first snap-fit ​​groove for inserting the snap-fit ​​block and a second snap-fit ​​groove connected to the end of the first snap-fit ​​groove away from the limiting part and arranged circumferentially at the plug-in groove.

[0019] By adopting the above technical solution, the locking block on the outer wall of the insertion post in the limiting part and the first and second locking slots in the mounting part cooperate to achieve a detachable connection between the limiting part and the mounting part, so that the limiting part can be quickly installed and disassembled, and different limiting parts can be connected to the mounting part. The flip angle of the front blade can be adjusted by replacing the limiting part.

[0020] Optionally, the rear blade assembly includes a plurality of rear blades arranged perpendicularly to the front blade assembly and a second connecting rod connected to and arranged perpendicularly to the rear blades; one of the rear blades has a transmission column extending toward the front blade, the transmission column engaging with a snap-fit ​​groove of the plug plate, adjacent rear blades being provided with clearance grooves, and the transmission column engaging with the adjusting paddle to drive the rear blade assembly to rotate.

[0021] By adopting the above technical solution, the specific structure of the rear blade assembly is disclosed. Multiple rear blades are linked together by a second connecting rod. The transmission column on the rear blades allows for stable engagement with the locking groove of the insertion plate. This means that when the user needs to adjust the rotation angle of the rear blades, they only need to slide the adjustment lever left or right to adjust the rotation angle. The clearance groove on the rear blades provides space for the rotation of the transmission column, reducing interference between adjacent rear blades during rotation and ensuring the normal rotation of the rear blade assembly.

[0022] Optionally, the mounting bracket has mounting protrusions at both ends, the inner cavity of the air outlet housing has an arrangement groove for arranging the mounting protrusions, the mounting bracket has a snap-fit ​​seat on the side facing away from the rear blade assembly and the snap-fit ​​seat has a guide surface, and the air outlet housing has a corresponding fixing groove for arranging the snap-fit ​​seat.

[0023] By adopting the above technical solution, the mounting bracket is quickly positioned and securely installed on the air outlet housing through the cooperation between the mounting protrusions at both ends of the mounting bracket and the grooves on the air outlet housing, effectively improving the installation efficiency of the mounting bracket. Simultaneously, the cooperation between the mounting bracket's snap-fit ​​seat facing away from the rear blade assembly and the fixing groove on the air outlet housing further enhances the stability of the connection between the mounting bracket and the air outlet housing. The guide surface on the snap-fit ​​seat helps reduce the assembly difficulty of the mounting bracket on the air outlet housing and also contributes to improving the installation efficiency of the mounting bracket.

[0024] Optionally, the number of the card slots is two.

[0025] By adopting the above technical solution, the setting of two mounting brackets helps to improve the stability of the installation of the mounting bracket and the air outlet housing, reduce the probability of the mounting bracket becoming loose or shifting during use, and ensure the normal implementation of the rear blade assembly function.

[0026] In summary, this application includes at least one of the following beneficial technical effects:

[0027] 1. An automotive air vent, wherein the rotation of the rear blade assembly is restricted by the cooperation between the upper limit component of the first plug-in part and the first limiting ratchet surface in the limiting groove, thereby effectively reducing the probability of unsatisfactory installation efficiency of the plug-in plate due to "slipping" or rotation of the rear blade assembly during installation, thereby effectively improving the installation efficiency of the automotive air vent.

[0028] 2. By setting the positioning component on the sliding rod, the position of the sliding rod in the sliding groove is effectively limited, preventing it from coming out of the sliding groove under force, thereby improving the stability of the limiting component;

[0029] 3. By cooperating with the mounting protrusion on the mounting bracket and the groove on the air outlet housing, as well as with the snap-fit ​​seat on the mounting bracket and the fixing groove on the air outlet housing, the mounting bracket can be quickly positioned and securely installed on the air outlet housing, effectively improving the installation efficiency of the mounting bracket. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of a car air vent according to an embodiment of this application.

[0031] Figure 2 This is a schematic diagram of the structure of the rear blade assembly according to an embodiment of this application.

[0032] Figure 3 This is a schematic diagram of the structure of the blade and the first connecting rod in an embodiment of this application.

[0033] Figure 4 This is a schematic diagram of the structure of the blade assembly and the air outlet housing in the embodiment of this application.

[0034] Figure 5 This is a schematic diagram of the structure of the limiting component in an embodiment of this application.

[0035] Figure 6 yes Figure 5 A magnified view of a portion of point A in the middle.

[0036] Figure 7 This is a schematic diagram of the front blade assembly in an embodiment of this application.

[0037] Figure 8 This is a schematic diagram of the structure of the front blade assembly and the air outlet housing in an embodiment of this application.

[0038] Figure 9 This is a schematic diagram of the structure of the mounting part and the limiting part cooperating in an embodiment of this application.

[0039] Explanation of reference numerals in the attached drawings: 1. Air outlet housing; 11. Arrangement groove; 12. Fixing groove; 13. Limiting groove; 131. First limiting ratchet surface; 14. Mounting groove; 15. Guide slope; 16. Abutment surface; 17. Reinforcing plate; 2. Front blade assembly; 21. Front blade; 211. Third insertion part; 212. Mounting rod; 2121. Mounting part; 21211. Insertion groove; 21212. First locking groove; 21213. Second locking groove; 2122. Limiting part; 21221. Insertion post; 21222. Locking block; 22. First connecting rod; 221. Second fixing hole; 23. Adjusting lever; 3. Rear blade assembly; 31. Mounting bracket; 311. Mounting protrusion; 312. Snap-fit ​​seat; 3121. Guide surface; 313. Insertion hole; 314. Arrangement gap; 32. Rear blade; 321. First insertion part; 322. Second insertion part; 323. Transmission column; 324. Relief groove; 33. Second connecting rod; 331. First fixing hole; 4. Insertion plate; 41. Snap-fit ​​groove; 5. Limiting assembly; 51. Sliding groove; 52. Sliding rod; 53. Limiting block; 531. Second limiting ratchet surface; 54. Limiting spring; 55. Limiting straight tooth; 6. Positioning assembly; 61. Positioning post; 611. Positioning part; 62. Strip groove; 63. Limiting nut. Detailed Implementation

[0040] The following is in conjunction with the appendix Figure 1-9 This application will be described in further detail.

[0041] This application discloses an automotive air vent. (Refer to...) Figure 1 and Figure 2 An automotive air vent includes an air vent housing 1, a front blade assembly 2 rotatably mounted on the air vent housing 1, a rear blade assembly 3 rotatably mounted on the air vent housing 1 and arranged perpendicularly to the front blade assembly 2, and a connector plate 4 connecting the front blade assembly 2 and the rear blade assembly 3.

[0042] Reference Figure 2 and Figure 3The rear blade assembly 3 includes two mounting brackets 31 installed inside the air outlet housing 1 and a rear blade group inserted into the mounting brackets 31. The rear blade group includes several rear blades 32 arranged perpendicularly to the front blade assembly 2 and a second connecting rod 33 connecting the rear blades 32 and arranged perpendicularly to the rear blades 32. Each rear blade 32 also has a second insertion portion 322 for connecting to the second connecting rod 33, and the second connecting rod 33 has a first fixing hole 331 for accommodating the second insertion portion 322. One rear blade 32 has a drive column 323 extending towards the front blade assembly 2, and the drive column 323 is biased towards the extending direction of the rear blade 32. The drive column 323 is used to connect and cooperate with the insertion plate 4, and the insertion plate 4 has a snap-fit ​​groove 41 for engaging with the drive column 323. To reduce the probability of the rear blade 32 with the drive column 323 interfering with adjacent rear blades 32 during the flipping process, adjacent rear blades 32 are provided with clearance grooves 324. In this embodiment, the rear blade group 32 includes five rear blades 32 arranged in parallel with each other.

[0043] Reference Figure 3 and Figure 4 To improve the stability of the mounting bracket 31 within the air outlet housing 1, mounting protrusions 311 are provided at both ends of the mounting bracket 31, and the inner cavity of the air outlet housing 1 is provided with an arrangement groove 11 for accommodating the mounting protrusions 311. Furthermore, a snap-fit ​​seat 312 with a guide surface 3122 is provided on the side of the mounting bracket 31 facing away from the rear blade 32 assembly, and the air outlet housing 1 is correspondingly provided with a fixing groove 12 for accommodating the snap-fit ​​seat 312. The mounting bracket 31 has two snap-fit ​​seats 312.

[0044] Reference Figure 5To reduce the probability of the rear blade assembly 3 rotating during installation, resulting in unsatisfactory installation efficiency with the plug plate 4, a limiting groove 13 is provided on the side of the air outlet housing 1 facing the rear blade assembly 3, and the top surface of the limiting groove 13 has a first limiting ratchet surface 131. The rear blade 32 is provided with a limiting component 5 that cooperates with the first limiting ratchet surface 131. Both ends of the rear blade 32 have a first plug-in portion 321 that cooperates with the mounting bracket 31. The mounting bracket 31 has a plug-in hole 313 for the first plug-in portion 321 of the rear blade 32 to pass through, and the mounting bracket 31 has an arrangement gap 314 for the arrangement of the first plug-in portion 321 of the rear blade 32. A limiting component 5 is disposed in the first insertion portion 321 and is used to limit the rotation of the rear blade 32. The limiting component 5 includes a sliding groove 51 formed in the first insertion portion 321, a sliding rod 52 slidably mounted in the sliding groove 51, a limiting block 53 connected to the side of the sliding rod 52 away from the first insertion portion 321 and cooperating with the limiting groove 13, and a limiting spring 54 sleeved on the sliding rod 52. The limiting block 53 has a second limiting ratchet surface 531 on the side facing away from the sliding rod 52, which cooperates with the first limiting ratchet surface 131. One end of the limiting spring 54 abuts against the top surface of the first insertion portion 321, and the other end abuts against the bottom surface of the limiting block 53. The first limiting ratchet surface 131 and the second limiting ratchet surface 531 have a plurality of limiting straight teeth 55, and the cross-section of the limiting straight teeth 55 is an obtuse isosceles triangle.

[0045] Reference Figure 5 and Figure 6 To reduce the probability of the sliding rod 52 dislodging from the sliding groove 51 during sliding, a positioning assembly 6 is also provided between the sliding rod 52 and the first insertion part 321. The positioning assembly 6 includes a positioning post 61 arranged perpendicularly to the sliding rod 52 and extending toward the first insertion part 321, and a strip groove 62 formed in the first insertion part 321 for the positioning post 61 to pass through. The extending direction of the strip groove 62 is perpendicular to the extending direction of the sliding groove 51. The positioning post 61 has a positioning part 611 extending outside the strip groove 62, and a limiting nut 63 is installed at the positioning part 611 to prevent the positioning post 61 from dislodging from the strip groove 62.

[0046] Reference Figure 7 and Figure 8The front blade assembly 2 includes multiple parallel front blades 21, a first connecting rod 22 connecting the front blades 21 and perpendicular to them, and an adjusting lever 23 mounted on the front blades 21. A connecting plate 4 is hinged to the adjusting lever 23 on the side facing the rear blade assembly 3, thus connecting the front blade assembly 2 and the rear blade assembly 3. When the tilting angle of the rear blade 32 needs to be adjusted, the adjusting lever 23 is simply moved left and right, causing the connecting plate 4 to slide left and right, thereby causing the rear blade 32 to tilt via the transmission column 323 engaged in the engaging groove 41 of the connecting plate 4. The front blade 21 has a third connecting part 211, and the first connecting rod 22 has a second fixing hole 221 for accommodating the third connecting part 211. The air outlet housing 1 has a mounting groove 14 for mounting the front blade 21. The front blade 21 has mounting rods 212 at both ends, each mounting rod 212 including a mounting portion 2121 that mates with the mounting groove 14 and a limiting portion 2122 connected to the mounting portion 2121 at the end away from the front blade 21. To improve the installation efficiency of the front blade 21 on the air outlet housing 1, a guide slope 15 is provided at the mounting groove 14. To limit the flipping angle of the front blade 21, the outer wall of the air outlet housing 1 has an abutment surface 16 at the mounting groove 14 for the two sides of the limiting portion 2122 of the mounting rod 212 to abut against. In this embodiment, the front blade assembly 2 includes three parallel front blades 21, and an adjustment lever 23 is mounted on the middle front blade 21.

[0047] Reference Figure 9 In order to adjust the range of the flip angle of the front blade 21, the limiting part 2122 of the mounting rod 212 is detachably connected to the mounting part 2121. The limiting part 2122 has a plug post 21221 extending toward the mounting part 2121, and the outer side wall of the plug post 21221 is symmetrically provided with locking blocks 21222. The mounting part 2121 has a plug groove 21211 for inserting the plug post 21221, and the mounting part 2121 has a first locking groove 21212 for inserting the locking block 21222 at the plug groove 21211 and a second locking groove 21213 connected to the end of the second locking groove 21213 away from the limiting part 2122 and arranged circumferentially.

[0048] Reference Figure 1 In order to improve the structural strength of the air outlet housing 1, a reinforcing plate 17 is also provided on the outer side wall of the air outlet housing 1.

[0049] The implementation principle of an automotive air vent according to an embodiment of this application is as follows: During the installation of the automotive air vent, firstly, the two ends of the rear blade assembly are inserted and connected to the mounting bracket 31. Then, the rear blade assembly 3 is stably installed on the air vent housing 1 through the cooperation between the mounting protrusion 311 on the mounting bracket 31 and the arrangement groove 11 on the air vent housing 1, and the cooperation between the snap-fit ​​seat 312 on the mounting bracket 31 and the fixing groove 12 on the air vent housing 1. At the same time, the limiting component 5 of the first insertion part 321 on the rear blade 32 cooperates with the upper limit groove 13 of the air vent housing 1 to reduce the rear blade 3. 2. To reduce the probability of rotation during installation, the engagement between the snap-fit ​​groove 41 of the plug plate 4 and the transmission column 323 on the rear blade 32, as well as the engagement between the plug plate 4 and the adjustable paddle 23, is achieved. Finally, the front blade assembly 2 is fixed by the mounting groove 14 on the air outlet housing 1, thus completing the installation of the car air outlet. By setting the limiting component 5, the limiting groove 13, and the first limiting ratchet surface 131 in the limiting groove 13, the probability of the plug plate 4 being less than ideal due to "slipping" or rotation of the rear blade 32 during installation is effectively reduced, thereby effectively improving the installation efficiency of the car air outlet.

[0050] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A car air vent, characterized in that, The assembly includes an air outlet housing (1), a front blade assembly (2) rotatably mounted on the air outlet housing (1), a rear blade assembly (3) rotatably mounted on the air outlet housing (1) and arranged perpendicularly to the front blade assembly (2), and a connector plate (4) connecting the front blade assembly (2) and the rear blade assembly (3); the rear blade assembly (3) includes a mounting bracket (31) mounted on the air outlet housing (1) and a rear blade assembly inserted into the mounting bracket (31), and the connector plate (4) has a locking mechanism for engaging the rear blade assembly. The mounting bracket (31) has a groove (41) and the rear blade assembly has a first insertion part (321). The mounting bracket (31) has an insertion hole (313) for the first insertion part (321) to pass through. The air outlet housing (1) has a limiting groove (13) on the side facing the first insertion part (321) and the top surface of the limiting groove (13) has a first limiting ratchet surface (131). The first insertion part (321) is provided with a limiting component (5) that cooperates with the first limiting ratchet surface (131) and is used to limit the rotation of the rear blade assembly.

2. The automotive air vent according to claim 1, characterized in that, The limiting component (5) includes a sliding groove (51) formed in the first insertion part (321), a sliding rod (52) slidably mounted in the sliding groove (51), a limiting block (53) connected to the side of the sliding rod (52) away from the first insertion part (321) and cooperating with the limiting groove (13), and a limiting spring (54) sleeved on the sliding rod (52); the limiting block (53) has a second limiting ratchet surface (531) on the side facing away from the sliding rod (52) that cooperates with the first limiting ratchet surface (131), one end of the limiting spring (54) abuts against the top surface of the first insertion part (321) and the other end abuts against the bottom surface of the limiting block (53); a positioning component (6) for limiting the sliding rod (52) from dislodging from the sliding groove (51) is also provided between the sliding rod (52) and the first insertion part (321).

3. A car air vent according to claim 2, characterized in that, The positioning assembly (6) includes a positioning post (61) arranged vertically to the sliding rod (52) and extending toward the first insertion part (321) and a strip groove (62) opened in the first insertion part (321) for the positioning post (61) to pass through. The positioning post (61) has a positioning part (611) extending outside the strip groove (62), and the positioning part (611) is equipped with a limiting nut (63) for preventing the positioning post (61) from dislodging from the strip groove (62).

4. A car air vent according to claim 2, characterized in that, The first limiting ratchet surface (131) and the second limiting ratchet surface (531) have a plurality of limiting straight teeth (55), and the cross section of the limiting straight teeth (55) is an obtuse isosceles triangle.

5. A car air vent according to claim 1, characterized in that, The front blade assembly (2) includes multiple parallel front blades (21), a first connecting rod (22) connecting the front blades (21) and arranged perpendicularly to the front blades (21), and an adjustment lever (23) installed on the front blades (21). The plug plate (4) is hinged to the side of the adjustment lever (23) facing the rear blade assembly (3). The air outlet housing (1) has an installation groove (14) for installing the front blades (21). The front blades (21) have installation rods (212) at both ends. The installation rods (212) include an installation part (2121) that cooperates with the installation groove (14) and a limiting part (2122) connected to the end of the installation part (2121) away from the front blades (21). The air outlet housing (1) has an abutment surface (16) at the installation groove (14) for the two sides of the limiting part (2122) to abut against each other.

6. A car air vent according to claim 5, characterized in that, The air outlet housing (1) has a guide slope (15) at the mounting groove (14).

7. A car air vent according to claim 5, characterized in that, The limiting part (2122) has a plug-in post (21221) extending toward the mounting part (2121), and the outer side wall of the plug-in post (21221) is symmetrically provided with locking blocks (21222). The mounting part (2121) has a plug-in groove (21211) for inserting the plug-in post (21221). The mounting part (2121) has a first locking groove (21212) for inserting the locking block (21222) at the plug-in groove (21211) and a second locking groove (21213) connected to the end of the first locking groove (21212) away from the limiting part (2122) and arranged circumferentially.

8. A car air vent according to claim 5, characterized in that, The rear blade assembly includes a plurality of rear blades (32) arranged perpendicularly to the front blade assembly (2) and a second connecting rod (33) connecting the rear blades (32) and arranged perpendicularly to the rear blades (32); one of the rear blades (32) has a transmission column (323) extending toward the front blade (21), the transmission column (323) cooperating with the snap-fit ​​groove (41) of the plug plate (4), and a clearance groove (324) is provided adjacent to the rear blades (32).

9. A car air vent according to claim 1, characterized in that, The mounting bracket (31) has mounting protrusions (311) at both ends. The inner cavity of the air outlet housing (1) is provided with an arrangement groove (11) for arranging the mounting protrusions (311). The mounting bracket (31) has a snap-fit ​​seat (312) on the side facing away from the rear blade assembly, and the snap-fit ​​seat (312) has a guide surface (3121). The air outlet housing (1) is provided with a corresponding fixing groove (12) for arranging the snap-fit ​​seat (312).

10. A car air vent according to claim 9, characterized in that, The number of the card slots (312) is two.

Images