Anti-play structure of rotating shaft of active air-inlet grille

By designing grooves, protrusions, and reserved gaps between the drive rod and the blade pressure plate, the problem of axial movement of the active air intake grille rotating shaft when the motor is offset is solved, achieving stable synchronous rotation and blade opening and closing, ensuring the stability of the air intake grille and the installation space of other components.

CN223778188UActive Publication Date: 2026-01-09广东中骏森驰汽车零部件有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422074857.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2026-01-09
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

When the rotating shaft of the active grille shutter in existing automobiles is on the side of the motor offset, the longer drive rod is prone to erratic movement, which can cause the blades to open and close unevenly, produce abnormal noise, and may even cause the drive rod to fall off or the motor to stall, affecting stability and service life.

Method used

The drive rod and blade pressure plate are fitted with grooves and protrusions, and the reserved gap design restricts the movement of the drive rod, ensuring the stability and synchronous rotation of the rotating shaft.

Benefits of technology

It effectively prevents the drive rod from moving around, improves the stability and synchronous rotation of the air intake grille, avoids abnormal noise and damage to parts, and ensures installation space for other components such as sensors.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223778188U_ABST
    Figure CN223778188U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of automobile accessories, in particular to an anti-play structure of a rotating shaft of an active air-inlet grille, which comprises a main frame which is a front grille frame, a blade is arranged on the main frame and buckled at a mounting port arranged on the main frame, and the anti-play structure further comprises an anti-swing module, the anti-swing module drives the blades to rotate synchronously, active opening and closing of the air inlet grille are achieved, the air inlet amount is adjusted, anti-shifting fixing of the driving rod is achieved through matched connection of the driving rod and the blade pressing plate, the problem that the driving rod is prone to shifting when the motor needs to be arranged on one side in an offset mode for a long time can be effectively solved, and the service life of the air inlet grille is prolonged. Required functions are achieved while the structural strength is not affected, and enough space is reserved for other sensors.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically an anti-slip structure for the rotating shaft of an active air intake grille. Background Technology

[0002] In existing technology, the active grille shutter of a car is driven by a motor to rotate two drive rods on both sides. These drive rods then drive connecting rods, which in turn drive the blades to rotate synchronously, achieving the active opening and closing of the grille. In some models, to allow more space in the center area of ​​the grille for other components, such as millimeter-wave radar, the motor needs to be offset to one side of the grille. In this case, the drive rods vary in length, and the longer drive rod is prone to vertical movement during rotation, causing problems such as uneven blade opening and closing, abnormal noise, and in severe cases, drive rod detachment or motor stalling, resulting in component damage. To ensure the stability of the active grille shutter's rotating shaft during use and reduce the failure rate, a structure is needed to prevent the grille shutter's rotating shaft from moving erratically. Utility Model Content

[0003] This utility model addresses the shortcomings of existing technologies by providing an anti-slip structure for the rotating shaft of an active air intake grille. The structure includes a main frame, which is a front grille frame. Blades are mounted on the main frame and engage with mounting openings on the main frame. An anti-slip module is also included, which drives the blades to rotate synchronously, thereby enabling the active opening and closing of the air intake grille and adjusting the air intake volume.

[0004] Preferably, the anti-sway module includes a drive module, which includes a motor, a drive rod, a connecting rod, and a blade pressure plate. The output shaft of the motor drives the drive rod to rotate, and the connecting rod is rotatably connected to the drive rod.

[0005] Preferably, the drive rod has a groove at its end, which is connected to the protrusion extending from the blade pressure plate, with a fitting clearance of 0.15 mm.

[0006] Preferably, the gap between the end plane of the drive rod and the opposite plane of the blade pressure plate is 2.2mm.

[0007] Preferably, the reserved gap between the blade pressure plate and the blade is 0.45 mm.

[0008] Preferably, the blade is a rhomboid blade, and the blade is installed corresponding to the mounting port.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: by using the groove and protrusion structure of the drive rod and the blade pressure plate to connect, the drive rod is fixed to prevent it from moving around, which effectively solves the problem that the drive rod is prone to moving around when the motor is biased to one side; the required function is achieved without affecting the structural strength, and sufficient installation space is left for other components such as sensors. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the accompanying drawings are only some embodiments of this utility model. For those skilled in the art, other embodiments and their accompanying drawings can be obtained from the embodiments shown in these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the anti-slip structure of the active air intake grille rotating shaft of this utility model.

[0012] Figure 2 This is a side view schematic diagram of an anti-slip structure for an active air intake grille rotating shaft according to the present invention.

[0013] Figure 3 This is a top view of an anti-slip structure for an active air intake grille rotating shaft according to this utility model.

[0014] Figure 4 This is a partial cross-sectional schematic diagram of an anti-slip structure for an active air intake grille rotating shaft according to the present invention.

[0015] Figure 5 This is a schematic diagram of the anti-slip mechanism of an active air intake grille rotating shaft anti-slip structure according to the present invention.

[0016] In the diagram: 1-Main frame, 2-Motor, 3-Drive rod, 4-Connecting rod, 5-Blade, 6-Blade pressure plate. Detailed Implementation

[0017] The technical solutions of various embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments described in this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0018] An embodiment of this utility model provides an anti-slip structure for the rotating shaft of an active air intake grille. For example... Figures 1 to 5As shown, the system includes a main frame 1, which is a front grille frame. A mounting opening is located in the middle of the main frame 1, and mounting ears are located at both ends of the main frame 1. Blades 5 are mounted on the main frame 1, and the blades 5 engage with the mounting openings on the main frame 1. An anti-sway module is also included.

[0019] The blade 5 is a rhomboid blade, and the blade 5 is installed in accordance with the mounting port.

[0020] The anti-sway module includes a drive module, which comprises a motor 2, a drive rod 3, a connecting rod 4, and a blade pressure plate 6. The output shaft of the motor 2 drives the drive rod 3 to rotate, and the connecting rod 4 is rotatably connected to the drive rod 3. The drive rod 3 drives the connecting rod 4, which in turn drives the blades 5 to rotate synchronously, thereby realizing the active opening and closing of the air intake grille and adjusting the air intake volume.

[0021] The drive rod 3 has a groove at its end, which connects to the protruding head of the blade pressure plate 6, with a fitting clearance of 0.15mm. The clearance between the end plane of the drive rod 3 and the opposing plane of the blade pressure plate 6 is 2.2mm, and the clearance between the blade pressure plate 6 and the blade 5 is 0.45mm. This design ensures that the blade pressure plate, in addition to controlling the stability of the blade rotation axis, also guarantees the stability of the drive rod 3's rotation axis, restricting the drive rod 3's movement in the Y and Z directions and preventing its oscillation in these directions.

[0022] The drive rod 3 and the blade pressure plate 6 are connected to each other to prevent the drive rod 3 from shifting, which can effectively solve the problem that the drive rod is prone to shifting when the motor needs to be offset to one side, and enhance the stability of the air intake grille.

[0023] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and not restrictive in all respects. The scope of this invention is defined by the appended claims, not by the foregoing description, and is therefore intended to encompass all variations falling within the meaning and scope of equivalents of the claims. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A structure for preventing lateral movement of the rotating shaft of an active air intake grille, characterized in that: The system includes a main frame (1), which is a front grille frame. The main frame (1) is provided with blades (5), which are fastened to the mounting openings provided on the main frame (1). It also includes an anti-sway module, which drives the blades (5) to rotate synchronously, thereby realizing the active opening and closing of the air intake grille and adjusting the air intake volume. The anti-sway module includes a drive module, which includes a motor (2), a drive rod (3), a connecting rod (4), and a blade pressure plate (6). The output shaft of the motor (2) drives the drive rod (3) to rotate. The connecting rod (4) is rotatably connected to the drive rod (3). The drive rod (3) has a groove at its end, which is connected to the protrusion of the blade pressure plate (6).

2. The anti-slip structure for the rotating shaft of the active air intake grille according to claim 1, characterized in that: The fitting clearance between the groove and the protruding head of the blade pressure plate (6) is 0.15mm.

3. The anti-slip structure for the rotating shaft of the active air intake grille according to claim 1, characterized in that: The gap between the end plane of the drive rod (3) and the relative plane of the blade pressure plate (6) is 2.2mm.

4. The anti-slip structure for the rotating shaft of the active air intake grille according to claim 1, characterized in that: The reserved gap between the blade pressure plate (6) and the blade (5) is 0.45mm.

5. The anti-slip structure for the rotating shaft of the active air intake grille according to claim 1, characterized in that: The blade (5) is a rhomboid blade, and the blade (5) is installed corresponding to the mounting port.