Active air-inlet grille split mechanism

By designing an active air intake grille splitter, the left and right blades can rotate in opposite directions, solving the problem of single airflow in existing technologies, improving the heat dissipation of the engine compartment and reducing wind resistance.

CN224103877UActive Publication Date: 2026-04-10ZHEJIANG HONGMI PLASTIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG HONGMI PLASTIC TECH CO LTD
Filing Date
2025-05-23
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The blades of the existing active air intake grille can only open or close in the same direction, resulting in a single airflow, which reduces the cooling effect of the engine compartment and increases wind resistance.

Method used

Design an active air intake grille splitting mechanism. By controlling the left and right blades to rotate in opposite directions on the mounting window using a drive unit, uniform airflow can be guided.

Benefits of technology

It improves the heat dissipation of the engine compartment, reduces wind resistance, enhances the airflow guidance effect, and prevents the engine from overheating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an active air-inlet grille oppositely-opening mechanism which comprises a main frame, an air-inlet grille and an air-outlet grille. An installation window is formed in the main frame, and a left blade and a right blade are rotationally arranged at the installation window. The first connecting rod is clamped with the right blade; the second connecting rod is clamped with the left blade; and the driving unit is arranged on the main frame. According to the active air-inlet grille oppositely-opening mechanism, the first connecting rod is used for being connected with the right blade on the same side, the second connecting rod is used for being connected with the left blade on the same side, and when the output shaft of the actuator rotates, the right blade is pushed by the driving push rod to be located on the mounting frame opening to rotate clockwise; and meanwhile, the pull rod is driven to pull back the left blade to be located on the mounting frame opening to rotate anticlockwise, so that the mounting window is in an open state, air flow is conveniently introduced, the air flow is uniformly blown into the engine compartment from the mounting frame opening, and the heat dissipation effect on the engine compartment is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, specifically to a kind of initiative air intake grille split mechanism. BACKGROUND

[0002] Initiative air intake grille is usually assembled to the front end of automobile head, to switch in two states of opening or closing according to different temperature, for example: when initiative air intake grille is in the open state, the air flow of engine compartment is increased, to avoid the phenomenon that engine is overheated, when initiative air intake grille is in the closed state, to improve the rapid temperature rise operation of engine, reduce the time of engine warming.

[0003] When existing initiative air intake grille operates, it is usually driven by motor to open or close multiple blades in the same direction, when external airflow enters engine compartment along blade, the flow direction of airflow is relatively single, leading to part of airflow to diffuse, and then reduce the heat dissipation effect of engine compartment, and at the same time, it brings certain wind resistance to automobile. SUMMARY

[0004] The utility model aims at the above-mentioned problems existing in prior art, to solve the problem that blade can only open or close in the same direction when initiative air intake grille operates.

[0005] In order to realize the above-mentioned purpose, the utility model can be realized by the following technical scheme: a kind of initiative air intake grille split mechanism, comprising:

[0006] Main frame, installation window is opened in the main frame, left blade and right blade are rotationally arranged at the installation window;

[0007] First connecting rod, the first connecting rod is engaged with the right blade;

[0008] Second connecting rod, the second connecting rod is engaged with the left blade;

[0009] Drive unit, the drive unit is arranged on the main frame, the drive unit includes actuator and the drive pull rod and drive push rod arranged on the actuator output end, the drive push rod is engaged with the first connecting rod, and the drive pull rod is engaged with the second connecting rod;

[0010] The output end of the actuator rotates to control the left blade and the right blade rotate on the installation window, and the rotation direction of the left blade and the right blade is opposite.

[0011] In the utility model embodiment, the left blade and the right blade are both provided with shaft and card station, the shaft is rotationally connected to the installation window;

[0012] The clamping table on the left blade is clamped with the second connecting rod, and the clamping table on the right blade is clamped with the first connecting rod.

[0013] The clamping table comprises a sleeve part, and a triangular boss is arranged on the sleeve part.

[0014] The first connecting rod and the driving push rod are connected, or the second connecting rod and the driving pull rod are connected, and a buckle is arranged at the connection.

[0015] The buckle is sequentially distributed with an arc part, a limiting table and a clamping block along the central axis from bottom to top.

[0016] The first connecting rod and the second connecting rod are clamped at the arc part, and the driving pull rod and the driving push rod are clamped on the clamping block and abut against the limiting table.

[0017] The clamping block is arranged on the limiting table in two groups, and a groove is arranged between the two clamping blocks.

[0018] A pressing plate is arranged on the main frame, and the pressing plate is matched with the left blade and the right blade.

[0019] A driving shaft is arranged at the output end of the actuator, and two ends of the driving shaft are clamped with the driving push rod and the driving pull rod respectively.

[0020] A spacing rod is arranged on the main frame, and the spacing rod is located between the two mounting windows.

[0021] An inclined part is arranged on the spacing rod.

[0022] Compared with the prior art, the first connecting rod is used for connecting the right blade on the same side, the second connecting rod is used for connecting the left blade on the same side, when the output shaft of the actuator rotates, the right blade is pushed by the driving push rod to rotate clockwise on the mounting frame, and the left blade is pulled back by the driving pull rod to rotate counterclockwise on the mounting frame, so that the mounting window is in an open state, so as to introduce the airflow, and the airflow is uniformly blown into the engine compartment from the mounting frame, and the heat dissipation effect of the engine compartment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a schematic view of the overall front perspective structure;

[0024] Figure 2 is a schematic view of the overall back perspective structure;

[0025] Figure 3 is a main frame half cut and internal parts split explosion structure schematic diagram;

[0026] Figure 4 is a structure schematic diagram of left and right blades in closed state;

[0027] Figure 5 is a overall structure schematic diagram of buckle;

[0028] Figure 6 is a overall plan view;

[0029] Figure 7 is a structure schematic diagram of left and right blades in open state on main frame.

[0030] Explanation of reference signs:

[0031] 1, main frame;11, installation window;12, pressing plate;13, spacing rod;131, inclined part;2, left blade;3, right blade;4, driving unit;41, executor;42, driving pull rod;43, driving push rod;44, driving shaft;5, first connecting rod;6, second connecting rod;7, buckle;71, circular arc part;72, limiting table;73, clamping block;74, groove;81, rotating shaft;82, clamping table;821, sleeve part;822, triangular boss. DETAILED DESCRIPTION

[0032] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings.

[0033] As shown in Figures 1-7 , an active air inlet grille opposing mechanism comprises:

[0034] A main frame 1 is provided with an installation window 11, and a left blade 2 and a right blade 3 are rotatably arranged at the installation window 11.

[0035] A first connecting rod 5 is engaged with the right blade 3.

[0036] A second connecting rod 6 is engaged with the left blade 2.

[0037] A driving unit 4 is arranged on the main frame 1, and the driving unit 4 comprises an executor 41, a driving pull rod 42 and a driving push rod 43 arranged on the output end of the executor 41, the driving push rod 43 is engaged with the first connecting rod 5, and the driving pull rod 42 is engaged with the second connecting rod 6.

[0038] The output end of the executor 41 rotates to control the left blade 2 and the right blade 3 to rotate on the installation window 11, and the rotating directions of the left blade 2 and the right blade 3 are opposite.

[0039] Specifically, as shown in Figure 1 The main frame 1 has two sets of ventilation mounting portions, a plurality of mounting windows 11 are formed on the ventilation mounting portions, the specific number of the mounting windows 11 can be set according to the model and size of the automobile, the left blade 2 and the right blade 3 are assembled on the mounting windows 11, and the left blade 2 and the right blade 3 are in a parallel and adhering state in a normal state, so that the engine compartment is in a relatively closed state; when the engine is overheated, the actuator 41 rotates to rotate the right blade 3 by driving the pull rod 42 and to rotate the left blade 2 by driving the push rod 43, so that the left blade 2 and the right blade 3 rotate towards the inside of the engine compartment at the same time, and the rotation of the left blade 2 and the right blade 3 is opposite to the normal synchronous rotation to one side, thereby improving the guiding effect of the air flow, fully utilizing the effect of the external air flow, and reducing the overheating phenomenon in the engine compartment. Further, the rotation angle of the output shaft of the actuator 41 is used to control the rotation angle of the left blade 2 and the right blade 3, so as to adjust the guiding direction and flow of the air flow.

[0040] As a further provided embodiment of the utility model, the left blade 2 and the right blade 3 are provided with a rotating shaft 81 and a clamping table 82, the rotating shaft 81 is rotatably connected to the mounting window 11, the clamping table 82 of the left blade 2 is clamped with the second connecting rod 6, and the clamping table 82 of the right blade 3 is clamped with the first connecting rod 5; when the mounting window 11 is about to be opened, the first connecting rod 5 drives the right blade 3 to rotate along the rotating shaft 81, and the second connecting rod 6 drives the left blade 2 to rotate along the rotating shaft 81, so that the left blade 2 and the right blade 3 rotate in opposite directions, wherein the rotating shaft 81 supports and limits the blades, and the clamping table 82 drives the rotation of the blades.

[0041] As a further provided embodiment of the utility model, the clamping table 82 comprises a sleeve portion 821, the sleeve portion 821 is provided with a triangular boss 822, the axis of the sleeve portion 821 is in a hollow state, a slot is formed in the sleeve portion 821, and the triangular boss 822 is arranged in the slot. The triangular boss 822 is clamped with the first connecting rod 5 or the second connecting rod 6 during assembly, so that the first connecting rod 5 is assembled with the right blade 3 or the second connecting rod 6 is assembled with the left blade 2, thereby improving the linkage of each joint.

[0042] As a further provided embodiment of the utility model, the connection between the first connecting rod 5 and the driving push rod 43 or the connection between the second connecting rod 6 and the driving pull rod 42 is provided with a buckle 7, the buckle 7 plays a connecting role, and facilitates the assembly of the first connecting rod 5 and the driving push rod 43 or the second connecting rod 6 and the driving pull rod 42.

[0043] As a further provided embodiment of the utility model, buckle 7 has circular arc part 71, limiting table 72 and clamping block 73 which are sequentially connected along the central axis from bottom to top, first connecting rod 5 and second connecting rod 6 are clamped at circular arc part 71, and driving pull rod 42 and driving push rod 43 are clamped on clamping block 73 and abut against limiting table 72, the cross section of the arc-shaped part is spherical, the spherical structure can give each component the freedom of movement in each direction, and can prevent each joint from being stuck, so as to improve the linkage effect of first connecting rod 5 and driving push rod 43 or second connecting rod 6 and driving pull rod 42.

[0044] As a further provided embodiment of the utility model, clamping block 73 is provided in two groups on limiting table 72, and recess 74 is arranged between the two clamping blocks 73, when driving pull rod 42 or driving push rod 43 is clamped on clamping block 73, it will first contact the conical part on clamping block 73, and the two clamping blocks 73 are extruded to make recess 74 smaller, when the two mounting parts contact limiting table 72, recess 74 changes from small to large, so as to fix and support driving pull rod 42 or driving push rod 43 through the two clamping blocks 73.

[0045] As a further provided embodiment of the utility model, pressing plate 12 is arranged on main frame 1, pressing plate 12 cooperates with left blade 2 and right blade 3, and left blade 2 and right blade 3 are installed on main frame 1 through pressing plate 12, so as to support and fix left blade 2 and right blade 3 through pressing plate 12.

[0046] As a further provided embodiment of the utility model, the output end of actuator 41 is provided with driving shaft 44, the two ends of driving shaft 44 are clamped with driving push rod 43 and driving pull rod 42 respectively, and driving shaft 44 is designed to give the installation position of driving push rod 43 and driving push rod 43, so as to improve the linkage effect of driving push rod 43 and driving push rod 43.

[0047] As a further provided embodiment of the utility model, spacing rod 13 is arranged on main frame 1, spacing rod 13 is located between two mounting windows 11, and spacing rod 13 has two characteristics, one is to space main frame 1 to form mounting windows 11, and the other is to support main frame 1, so as to improve the firmness and stability of main frame 1.

[0048] As a further provided embodiment of the utility model, inclined part 131 is arranged on spacing rod 13, and inclined part 131 is located on the two sides of spacing rod 13, when mounting window 11 is in the closed state, one side surface of left blade 2 and right blade 3 is attached to inclined part 131, so as to improve the sealing performance of mounting window 11, and the arrangement of inclined part 131 also reduces the abrasion during the rotation of left blade 2 or right blade 3.

[0049] The technical scheme of the present application provides a solution significantly different from the prior art, and the parts not involved in the technical scheme of the present application are the same as or can be realized by using the prior art, and will not be described herein.

[0050] The technical scheme in the above embodiments has clearly and completely described the content of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

Claims

1. A positive air intake grille split mechanism, characterized by, The utility model relates to a kind of left and right wing drive mechanism, including: Main frame (1), the installation window (11) is opened in the main frame (1), left blade (2) and right blade (3) are rotationally arranged at the installation window (11); First connecting rod (5), the first connecting rod (5) is engaged with the right blade (3); Second connecting rod (6), the second connecting rod (6) is engaged with the left blade (2); Driving unit (4) is arranged on the main frame (1), and the driving unit (4) includes executor (41) and driving pull rod (42) and driving push rod (43) arranged on the output end of executor (41), the driving push rod (43) is engaged with the first connecting rod (5), and the driving pull rod (42) is engaged with the second connecting rod (6); The output end of the executor (41) rotates to control the left blade (2) and the right blade (3) rotate on the installation window (11), and the left blade (2) and the right blade (3) rotate in opposite directions.

2. The active grille shutter mechanism of claim 1, wherein, The left blade (2) and the right blade (3) are provided with shaft (81) and clamping table (82), and the shaft (81) is rotationally connected to the installation window (11); The clamping table (82) of the left blade (2) is engaged with the second connecting rod (6), and the clamping table (82) of the right blade (3) is engaged with the first connecting rod (5).

3. The active grille shutter mechanism of claim 2, wherein, The clamping table (82) includes sleeve part (821), and the sleeve part (821) is provided with triangular boss (822).

4. The active grille shutter mechanism of claim 1, wherein, The first connecting rod (5) and the driving push rod (43) are connected, or the second connecting rod (6) and the driving pull rod (42) are connected, and the buckle (7) is arranged.

5. A bi-parting mechanism for an active grille shutter according to claim 4, wherein, The buckle (7) is sequentially distributed with the arc part (71), the limiting table (72) and the clamping block (73) connected with each other along the central axis from bottom to top; The first connecting rod (5) and the second connecting rod (6) are clamped at the arc part (71), and the driving pull rod (42) and the driving push rod (43) are clamped on the clamping block (73) and abut against the limiting table (72).

6. A bi-parting mechanism for an active grille shutter according to claim 5, wherein, The clamping block (73) is arranged on the limiting table (72) in two groups, and a groove (74) is arranged between the two clamping blocks (73).

7. The active grille shutter mechanism of claim 1, wherein, The main frame (1) is provided with a pressing plate (12), and the pressing plate (12) cooperates with the left blade (2) and the right blade (3).

8. The active grille shutter mechanism of claim 1, wherein, The output end of the executor (41) is provided with a driving shaft (44), and the two ends of the driving shaft (44) are respectively engaged with the driving push rod (43) and the driving pull rod (42).

9. The active grille shutter mechanism of claim 1, wherein, The main frame (1) is provided with a spacing rod (13), and the spacing rod (13) is located between the two installation windows (11).

10. The active grille shutter mechanism of claim 9, wherein, The spacing rod (13) is provided with an inclined part (131).