KR102628116B1 - Airflap apparatus for vehicle - Google Patents

Abstract

The present invention relates to an air flap device for a vehicle, which includes a first air flap rotatably installed about a first flap axis, a first guide pin connected to the first air flap and positioned at a distance from the first flap axis. A first interlocking connection portion is formed, a rotating plate rotatably installed on one side of the first interlocking connection portion, a slit shape is formed on the rotating plate, a first guide pin portion is inserted, and when the rotating plate rotates, the first air flap is formed. It is characterized by comprising a first guide slit portion that guides the movement of the first guide pin portion in a path where the angle is variable.

Description

Air flap device for vehicle {AIRFLAP APPARATUS FOR VEHICLE}

The present invention relates to an air flap device for a vehicle, and more specifically, to an air flap device for a vehicle for controlling air flow rate.

In general, an active air flap (AAF) is a device for controlling the amount of external air flowing in through the bumper grill of a vehicle. It consists of a plurality of flaps, a connecting member connecting the plurality of flaps, and a connecting member. It has a structure that includes a drive motor for movement or rotation, and a housing to accommodate and support these components.

Conventionally, when rotating a plurality of flaps with a single drive motor, the plurality of flaps have no choice but to be rotated at the same angle, that is, all flaps have no choice but to be switched to the open angle at the same time or to the closed angle at the same time. There was a limitation in that only simple operating modes of open and closed modes could be implemented. Therefore, there is a need to improve this.

The background technology of the present invention is disclosed in Republic of Korea Patent Registration No. 1393972 (registered on May 2, 2014, title of the invention: Active air flap device for vehicles).

The purpose of the present invention is to provide an air flap device for a vehicle that can control the optimal air flow rate considering the engine room condition of the vehicle, etc. by individually adjusting the rotation angle of a plurality of flaps using a single drive motor.

An air flap device for a vehicle according to the present invention includes a first air flap rotatably installed about a first flap axis; A first interlocking connection portion connected to the first air flap and having a first guide pin portion formed at a position spaced apart from the first flap axis; a rotating plate rotatably installed on one side of the first interlocking connection; and a first guide formed in a slit shape on the rotating plate, into which the first guide pin portion is inserted, and guiding the movement of the first guide pin portion along a path in which the angle of the first air flap changes when the rotating plate is rotated. Characterized in that it includes a slit portion.

In addition, the present invention is characterized in that when the rotating plate rotates from the initial angle to the first set angle, the first air flap is rotated from a closed angle to block the air passage to an open angle to open the air passage.

The first guide slit portion is disposed at a position corresponding to the first guide pin portion when the first air flap is rotated at a closed angle to block the air passage, and has an arc shape centered on the rotation center of the rotating plate. A first closed maintenance slit portion extending to; A first open maintainer is disposed at a position corresponding to the first guide pin portion while the first air flap is rotated at an opening angle for opening the air passage, and extends in an arc shape centered on the rotation center of the rotating plate. slit part; and formed continuously between the first closed maintaining slit portion and the first open maintaining slit portion, wherein the first guide pin is connected to the first closed maintaining slit portion while the rotating plate is rotated from the initial angle to the first set angle. and a first angle variable slit portion guiding the first open maintaining slit portion.

The first angle variable slit portion is characterized in that it is formed to extend in a straight line from a first radial position where the first closed maintaining slit portion is formed to a second radial position where the first open maintaining slit portion is formed.

The first angle variable slit portion is formed to extend in a curved shape from a first radial position where the first closed retaining slit portion is formed to a second radial position where the first open retaining slit portion is formed.

The present invention includes a second air flap disposed in parallel with the first air flap and rotatable about the second flap axis; a second interlocking connection portion connected to the second air flap and having a second guide pin portion formed at a position spaced apart from the second flap axis; And a second guide formed in a slit shape on the rotating plate, into which the second guide pin portion is inserted, and guiding the movement of the second guide pin portion along a path in which the angle of the second air flap changes when the rotating plate is rotated. It is characterized in that it further includes a slit portion.

In the present invention, when the rotating plate rotates to the initial angle, the first air flap and the second air flap are rotated to a closed angle to block the air passage, and when the rotating plate rotates from the initial angle to the first set angle , the first air flap is rotated to an open angle to open the air passage, the second air flap maintains a closed angle, and when the rotary plate rotates from the first set angle to the second set angle, The first air flap maintains the opening angle, and the second air flap is rotated to the opening angle.

The first guide slit portion is disposed at a position corresponding to the first guide pin portion when the first air flap is rotated at a closed angle to block the air passage, and has an arc shape centered on the rotation center of the rotating plate. A first closed maintenance slit portion extending to; A first open maintainer is disposed at a position corresponding to the first guide pin portion while the first air flap is rotated at an opening angle for opening the air passage, and extends in an arc shape centered on the rotation center of the rotating plate. slit part; and formed continuously between the first closed maintaining slit portion and the first open maintaining slit portion, wherein the first guide pin is connected to the first closed maintaining slit portion while the rotating plate is rotated from the initial angle to the first set angle. and a first angle variable slit part guiding the first open maintaining slit part, wherein the second guide slit part corresponds to the second guide pin part in a state in which the second air flap is rotated to the closing angle. a second closed holding slit portion disposed in the position and extending in an arc shape centered on the rotation center of the rotating plate; a second open maintaining slit portion disposed at a position corresponding to the second guide pin portion when the second air flap is rotated at the opening angle and extending in an arc shape centered on the rotation center of the rotating plate; and formed continuously between the second closed maintaining slit portion and the second open maintaining slit portion, wherein the second guide pin portion is closed to the second closed while the rotating plate is rotated from the first set angle to the second set angle. and a second angle variable slit section that guides the holding slit section to the second open holding slit section.

According to the present invention, when the first guide pin part reaches the connection part of the first closed maintaining slit part and the first angle variable slit part, the second guide pin part is located on the second closed maintaining slit part, When the first guide pin portion passes through the first angle variable slit portion and reaches the connection portion of the first angle variable slit portion and the first open maintaining slit portion, the second guide pin portion passes through the second closed retaining slit portion to the It is located at a connection portion of the second closed maintaining slit portion and the second angle variable slit portion, and while the first guide pin portion moves along the first open maintaining slit portion, the second guide pin portion is connected to the second angle variable slit portion. and is continuously moved along the second open maintaining slit portion.

The present invention includes a drive motor that provides driving force to rotate the rotary plate; And a control unit that controls the operation of the driving motor.

The present invention includes a drive motor that provides driving force to rotate the rotary plate; and a control unit that controls the operation of the drive motor, wherein the control unit rotates the drive motor in the forward direction and sets the first air flap and the second air flap at an opening angle for opening the air passage. or rotating the drive motor in the reverse direction, and sequentially rotating the second air flap and the first air flap to a closing angle for closing the air passage.

The control unit may include a closing mode in which the rotary plate is rotated to an initial angle so that the first open portion in which the first air flap is disposed and the second open portion in which the second air flap is disposed are closed in the air flow path; a first opening mode in which the rotating plate is rotated at a first set angle so that the first opening is opened; and a second opening mode in which the rotating plate is rotated at a second set angle so that the first opening and the second opening are opened.

The air flap device for a vehicle according to the present invention moves the first guide slit portion to which the first guide pin portion is bound by rotating the rotating plate, and moves the first guide slit portion to which the first guide pin portion is connected and the first flap shaft disposed on two axes. The angle of the air flap can be varied and adjusted from a closed angle to block the air passage to an open angle to open the air passage.

In addition, the present invention, when applying a plurality of air flaps corresponding to the first air flap, forms a plurality of guide slits corresponding to each of the plurality of air flaps on the rotating plate so that they do not interfere with or overlap each other, thereby forming a single rotating plate. By rotating a plurality of air flaps sequentially, the degree of opening of the air passage can be adjusted in various ways.

In addition, the present invention can individually adjust the rotation angles of a plurality of air flaps by rotating one rotating plate, enabling optimal air flow rate control considering the engine room condition of the vehicle using one drive motor. By doing so, aerodynamic performance can be realized, and vehicle fuel efficiency can be improved accordingly.

In addition, in the present invention, the rotation angle of a plurality of air flaps can be individually adjusted by a simple structure including only one drive motor for rotating one rotary plate, and thus the rotation angle of each of the plurality of air flaps can be individually adjusted. There is no need to provide a plurality of drive motors to achieve this, thereby improving productivity and reducing costs.

Figure 1 is a perspective view schematically showing an air flap device for a vehicle according to an embodiment of the present invention.
Figure 2 is an enlarged view of portion A of Figure 1.
Figure 3 is a cross-sectional view of the main part of Figure 2.
Figure 4 is an exploded perspective view schematically showing the main part of an air flap device for a vehicle according to an embodiment of the present invention.
Figure 5 is an enlarged view of portion B of Figure 4.
Figure 6 is a side perspective view schematically showing the air flap device of a vehicle according to an embodiment of the present invention.
FIG. 7 is a conceptual diagram showing a state in which the rotating plate is rotated by a set angle in the state shown in FIG. 6.
FIG. 8 is a conceptual diagram showing a state in which the rotating plate is further rotated by a set angle in the state shown in FIG. 7.
FIG. 9 is a conceptual diagram showing a state in which the rotating plate is further rotated by a set angle in the state shown in FIG. 8.
Figure 10 is a table showing the rotation states of the first air flap, second air flap, and third air flap shown in Figures 6 to 9.
Figure 11 is a side view showing another example of the first guide slit portion, the second guide slit portion, and the third guide slit portion of the air flap device for a vehicle according to an embodiment of the present invention.

Hereinafter, an embodiment of a vehicle air flap device according to the present invention will be described with reference to the attached drawings. In this process, the thickness of lines or sizes of components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are terms defined in consideration of functions in the present invention, and may vary depending on the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

Figure 1 is a perspective view schematically showing an air flap device for a vehicle according to an embodiment of the present invention, Figure 2 is an enlarged view of portion A of Figure 1, and Figure 3 is a cross-sectional view of the main part of Figure 2.

Referring to Figure 1, the air flap device for a vehicle according to an embodiment of the present invention includes a first air flap unit (10), a second air flap unit (20), a third air flap unit (30), and a rotating plate (40). ), a first guide slit part 50, a second guide slit part 60, a third guide slit part 70, a shaft support part 80, and a drive part 90.

The first air flap portion 10 has a panel shape that can interfere with and block the flow of air, and is installed across the air passage inside a duct (not shown). The first air flap portion 10 according to an embodiment of the present invention includes a first air flap 11 and a first interlocking connection portion 15. The first air flap 11 includes a first flap axis 12 extending laterally, and a first flap portion 13 that has a panel shape and is rotatable about the first flap axis 12. has an integrally connected structure.

Figure 4 is an exploded perspective view of the main part schematically showing the air flap device of a vehicle according to an embodiment of the present invention, and Figure 5 is an enlarged view of portion B of Figure 4.

The first interlocking connection part 15 is a device part for rotating the first air flap part 10 in conjunction with the rotation of the rotating plate 40, and is provided with a first air flap 11 and a first air flap 11 at the end of the first air flap 11. They are connected as one body to rotate and move with the same displacement. Referring to Figures 4 and 5, the first interlocking connection portion 15 is located in the first air flap 11, more specifically, at the end of the first flap axis 12 in the radial direction of the first flap axis 12. It includes a first extension part 16 extending to and a first guide pin part 17 formed to protrude from an end of the first extension part 16 toward the rotating plate 40.

The first guide pin portion 17 is disposed at a position spaced apart from the first flap axis 12, and the first guide slit portion 50 is formed on the rotating plate 40 as shown in FIGS. 2 and 3. It is inserted into and bound to. When the rotating plate 40 rotates, the first guide pin portion 17 moves along the first guide slit portion 50, and while moving along the first guide slit portion 50, the first guide pin portion 17 When displacement occurs, the first air flap 11 rotates around the first flap axis 12.

The second air flap portion 20 and the third air flap portion 30 are disposed on the upper side of the first air flap portion 10 and in parallel with the first air flap portion 10. The first air flap portion 10, the second air flap portion 20, and the third air flap portion 30 form a continuous plate shape with their upper and lower ends connected to each other to close the air passage. In this state, at least one side of the first air flap part 10, the second air flap part 20, and the third air flap part 30 is rotated at an angle of less than 180° to open the air passage.

The second air flap portion 20 includes a second air flap 21 and a second interlocking connection portion 25, and the second air flap 21 includes a second flap axis 22 and a second flap portion 23. ), and the second interlocking connection part 25 includes a second extension part 26 and a second guide pin part 27. The third air flap portion 30 includes a third air flap 31 and a third interlocking connector 35, and the third air flap 31 includes a third flap axis 32 and a third flap portion 33. ), and the third interlocking connection part 35 includes a third extension part 36 and a third guide pin part 37.

The second flap axis 22, the second flap part 23, the second extension part 26, the second guide pin part 27, and the third air flap part 30 of the second air flap part 20. The third flap shaft 32, the third flap portion 33, the third extension portion 36, and the third guide pin portion 37 are each connected to the first flap shaft 12 of the first air flap portion 10. , since it has a shape, structure, and function corresponding to the first flap portion 13, the first extension portion 16, and the first guide pin portion 17, duplication of detailed description thereof will be omitted.

The rotating plate 40 is rotatably installed on one side of the first air flap unit 10, the second air flap unit 20, and the third air flap unit 30, and is set in conjunction with the operation of the drive motor 91. It is rotated in an angle and direction. Referring to FIG. 4, a first guide slit part 50, a second guide slit part 60, and a third guide slit part 70 are formed on the rotating plate 40. When the rotating plate 40 rotates, the first guide slit section 50, the second guide slit section 60, and the third guide slit section 70 rotate the rotating plate 40 connected to the drive shaft of the driving motor 91. It is moved with the same angular displacement as the rotating plate 40 with the center as the center.

The first guide slit part 50 is a device part that guides the movement of the first guide pin part 17, and is formed in a slit shape on the rotating plate 40. The first guide pin portion 17 is coupled to the first guide slit portion 50 by at least a portion of the first guide slit portion 50 being inserted into the first guide slit portion 50 or being fitted through the first guide slit portion 50. When the rotating plate 40 rotates, the first guide slit portion 50 moves at the same angular displacement as the rotating plate 40, and the first guide pin portion 17 moves in a path in which the angle of the first air flap 11 changes. Guides movement.

The second guide slit portion 60 is a device portion that guides the movement of the second guide pin portion 27 and is formed in a slit shape on the rotating plate 40. The third guide slit portion 70 is a device portion that guides the movement of the third guide pin portion 37 and is formed in a slit shape on the rotating plate 40. The first guide slit portion 50, the second guide slit portion 60, and the third guide slit portion 70 are formed to penetrate through one rotating plate 40, and the first guide pin portion 17 and the second guide slit portion 70 It is disposed at positions corresponding to the guide pin portion 27 and the third guide pin portion 37, respectively.

The second guide pin portion 27 is fastened to the second guide slit portion 60 by inserting at least a portion of the second guide slit portion 60 or fitting through the second guide slit portion 60 . When the rotating plate 40 rotates, the second guide slit portion 60 moves at the same angular displacement as the rotating plate 40, and the second guide pin portion 27 moves along a path in which the angle of the second air flap 21 changes. Guides movement.

The third guide pin portion 37 is connected to the third guide slit portion 70 by at least part of it being inserted into the third guide slit portion 70 or by being fitted through the third guide slit portion 70. When the rotating plate 40 rotates, the third guide slit portion 70 moves at the same angular displacement as the rotating plate 40, and the third guide slit portion 37 moves in a path in which the angle of the third air flap 31 changes. Guides movement.

The shaft support portion 80 is a device portion that rotatably supports the first air flap portion 10, the second air flap portion 20, and the third air flap portion 30. The first flap axis 12, the second flap axis 22 of the second air flap part 20, and the third flap axis 32 of the third air flap part 30 are rotatably supported in the correct position. . Referring to FIG. 1, the shaft support portion 80 according to an embodiment of the present invention includes a first shaft support portion 81 and a second shaft support portion 82.

The first shaft support portion 81 and the second shaft support portion 82 rotate the first air flap portion 10, the second air flap portion 20, and the third air flap portion 30 at two locations spaced apart from each other. I support it whenever possible. More specifically, the first shaft support portion 81 is disposed on the other side of the first air flap 11, that is, on the side opposite to the rotating plate 40, and the first flap shaft ( The end of 12) is rotatably supported. It is disposed in the middle part of the first air flap 11, and rotatably supports the middle part of the first flap shaft 12.

The first flap shaft 12, the second flap shaft 22, and the third flap shaft 32 can be stably restrained and supported in the correct position by the shaft support portion 80, and the first air flap portion 10 ), the second air flap unit 20, and the third air flap unit 30 are rotating plates with the first flap axis 12, the second flap axis 22, and the third flap axis 32 as the rotation centers, respectively. It can be clearly rotated at the set angle in conjunction with the rotation of (40).

In the description of the present invention, in explaining the rotation angles of the first air flap part 10, the second air flap part 20, and the third air flap part 30, the angle for blocking the air passage, that is, As shown in Figure 1, the angle arranged upright in the vertical direction opposite to the direction of air flow is called the closing angle, and the angle for opening the air passage, that is, the angle that is not a closing angle, is called an opening angle.

The driving unit 90 is a device unit that controls the rotation of the rotating plate 40, and adjusts the rotation angle and direction of the rotating plate 40 to control the first air flap unit 10, the second air flap unit 20, and the third air flap unit. Adjust the rotation angle of the flap portion 30. Referring to FIG. 1, the driving unit 90 according to an embodiment of the present invention includes a driving motor 91 and a control unit 92.

The drive motor 91 is a device that provides driving force to rotate the rotary plate 40, and the drive shaft is connected to the rotation center of the rotary plate 40. The control unit 92 controls the operation of the drive motor 91. The control unit 92 rotates the drive motor 91 in the forward direction and sequentially rotates the first air flap 11, the second air flap 21, and the third air flap 31 to an opening angle, or The drive motor 91 is rotated in the reverse direction, and the third air flap 31, the second air flap 21, and the first air flap 11 are sequentially rotated to a closed angle.

Figure 6 is a side perspective view schematically showing the air flap device of a vehicle according to an embodiment of the present invention, and Figure 7 is a conceptual diagram showing a state in which the rotating plate is rotated by a set angle in the state shown in Figure 6. Figure 8 is a conceptual diagram showing a state in which the rotating plate is further rotated by the set angle in the state shown in Figure 7.

Referring to Figure 6, the first guide slit portion 50 according to an embodiment of the present invention includes a first closed maintaining slit portion 51, a first open maintaining slit portion 52, and a first angle variable slit portion ( 53).

The first closed maintenance slit portion 51 is disposed at a position corresponding to the first guide pin portion 17 when the first air flap 11 is rotated at a closed angle, and is centered around the rotation center of the rotating plate 40. It extends in an arc shape. The first closed holding slit portion 51 has the shape of an arc with a first radius centered on the rotation center of the rotating plate 40.

Hereinafter, in describing the present invention with reference to FIGS. 6 to 9, for convenience, the first guide pin portion 17 is positioned with the first air flap 11 rotated at a closed angle as shown in FIG. 6. The change in angle of the rotating plate 40 will be explained based on the point at which That is, in FIG. 6, the position of the radius extension line of the rotating plate 40 passing through the first guide pin portion 17 is set to the reference angle or initial angle (OA) of the rotating plate 40.

The first open maintaining slit portion 52 is disposed at a position corresponding to the first guide pin portion 17 when the first air flap 11 is rotated at an opening angle, and is centered around the rotation center of the rotating plate 40. It extends in an arc shape. The opening angle can be variably set to various angles, and in Figure 7, the maximum opening angle is shown in a direction parallel to the direction of air flow of the first air flap 11, that is, when the first air flap 11 is rotated 90° to be horizontal. The first open maintaining slit portion 52 has the shape of an arc centered on the rotation center of the rotating plate 40 and having a second radius larger than the first radius.

The first angle variable slit portion 53 is formed continuously between the first closed maintaining slit portion 51 and the first open maintaining slit portion 52, and rotates the rotating plate 40 from the initial angle to the first set angle. While being rotated (for example, from 0° to 30°), the first guide pin portion 17 is guided from the first closed holding slit portion 51 to the first open holding slit portion 52.

The first angle variable slit portion 53 is formed to extend from a first radial position where the first closed retaining slit portion 51 is formed to a second radial position where the first open retaining slit portion 52 is formed. The first angle variable slit portion 53 is formed to extend in a straight line from the first radial position where the first closed retaining slit portion 51 is formed to the second radial position where the first open retaining slit portion 52 is formed. .

As the first angle variable slit portion 53 is formed to extend linearly, it is proportional to the movement displacement of the first guide pin portion 17 passing through the first angle variable slit portion 53, that is, the rotation plate 40 The opening angle of the first air flap unit 10 can be adjusted linearly in proportion to the rotation angle.

The second guide slit portion 60 according to an embodiment of the present invention includes a second closed maintaining slit portion 61, a second open maintaining slit portion 62, and a second angle variable slit portion 63. The third guide slit portion 70 according to an embodiment of the present invention includes a third closed maintaining slit portion 71, a third open maintaining slit portion 72, and a third angle variable slit portion 73. The second closed maintaining slit portion 61 of the second guide slit portion 60, the second open maintaining slit portion 62, the second angle variable slit portion 63, and the third of the third guide slit portion 70. The closed maintaining slit portion 71, the third open maintaining slit portion 72, and the third angle variable slit portion 73 are the first closed maintaining slit portion 51 and the first maintaining slit portion 51 of the first guide slit portion 50, respectively. Since the open maintaining slit portion 52 and the first angle variable slit portion 53 have a shape, structure, and function corresponding to those of the first angle variable slit portion 53, duplication of detailed description thereof will be omitted.

When the first guide pin portion 17 is located at the connection portion of the first closed maintenance slit portion 51 and the first angle variable slit portion 53 as shown in FIG. 6, the second guide pin portion 27 is the second guide pin portion 27. It is located on the closed holding slit portion (61). While the rotating plate 40 is rotated from the initial angle OA shown in FIG. 6 to the first set angle SA1 shown in FIG. 7, the first guide pin portion 17 is connected to the first angle variable slit. It moves along the portion 53 from the side of the first closed retaining slit portion 51 to the side of the first open retaining slit portion 52.

By this movement of the first guide pin portion 17, the first air flap 11 integrally connected with the first guide pin portion 17 rotates from the closed angle to the open angle by 90 degrees with the first flap axis 12 as the center. °It is rotated. At this time, the second guide pin portion 27 does not move, but moves along the second closed maintenance slit portion 61 while maintaining the closing angle of the second air flap 21.

As shown in FIG. 7, the first guide pin portion 17 passes through the first angle variable slit portion 53 and reaches the connection portion between the first angle variable slit portion 53 and the first open maintaining slit portion 52. At the time, the second guide pin portion 27 passes through the second closed retaining slit portion 61 and is located at the connection portion between the second closed retaining slit portion 61 and the second angle variable slit portion 63.

While the rotary plate 40 is rotated from the first set angle SA1 as shown in FIG. 7 to the second set angle SA2 as shown in FIG. 8, the first guide pin portion 17 does not move. , the first air flap 11 is moved along the first open maintenance slit portion 52 while maintaining the opening angle. At this time, the second guide pin unit 27 moves from the second closed maintenance slit unit 61 side to the second open maintenance slit unit 62 side along the second angle variable slit unit 63, and this second guide pin unit By the movement of (27), the second air flap (21) integrally connected to the second guide pin portion (27) is rotated by 90° from the closed angle to the open angle around the second flap axis (22).

That is, when the rotating plate 40 is at the initial angle (OA), the first air flap 11 and the second air flap 21 have a closing angle to block the air passage, and the rotating plate 40 is at the initial angle. When rotating at the first set angle (SA1), the first air flap (11) is rotated to an opening angle to open the air passage, the second air flap (21) maintains the closed angle, and the rotating plate (40) When rotating from the first set angle SA1 to the second set angle SA2, the first air flap 11 maintains the opening angle, and the second air flap 21 is rotated to the open angle.

Figure 9 is a conceptual diagram showing a state in which the rotating plate is further rotated by the set angle in the state shown in Figure 8, and Figure 10 is a first air flap, a second air flap, and a third air flap shown in Figures 6 to 9. This table shows the rotation status of .

While the rotating plate 40 is rotated from the second setting angle SA2 as shown in FIG. 8 to the third setting angle SA3 as shown in FIG. 9, the first guide pin portion 17 does not move. , the first air flap 11 is moved along the first open maintenance slit portion 52 while maintaining the opening angle.

The second guide pin portion 27 also does not move, but moves along the second open maintenance slit portion 52 while maintaining the opening angle of the second air flap 21. That is, while the first guide pin portion 17 moves along the first open maintaining slit portion 52 as shown in FIGS. 8 and 9, the second guide pin portion 27 moves along the second angle variable slit portion ( 63) and moves continuously along the second open maintaining slit portion 62.

At this time, the third guide pin unit 37 moves from the third closed maintenance slit unit 71 side to the third open maintenance slit unit 72 side along the third angle variable slit unit 73, and this third guide pin unit By the movement of (37), the third air flap (31) integrally connected to the third guide pin portion (37) is rotated by 90° from the closed angle to the open angle around the third flap axis (32).

That is, when the rotating plate 40 is at the initial angle OA as shown in FIG. 6, the first air flap 11, the second air flap 21, and the third air flap 31 block the air passage. It has a closing angle for When the rotating plate 40 rotates at the first set angle (SA1, 30° clockwise based on the initial angle (OA)) as shown in FIG. 7, the first air flap 11 opens the air passage. The second air flap 21 and the third air flap 31 maintain the closed angle.

When the rotating plate 40 rotates at the second set angle (SA2, 60° clockwise based on the initial angle (OA)) as shown in FIG. 8, the first air flap 11 maintains the opening angle and , the second air flap 21 is rotated to the open angle, and the third air flap 31 maintains the closed angle. When the rotating plate 40 rotates at the third set angle (SA3, 90° clockwise based on the initial angle (OA)) as shown in FIG. 9, the first air flap 11 and the second air flap ( 21) maintains the opening angle, and the third air flap 31 is rotated to the opening angle.

As described above, by sequentially changing the angles of the first air flap 11, the second air flap 21, and the third air flap 31, the air passage is closed as shown in FIG. 6, or FIG. 7, As shown in FIG. 8, part of the air passage can be gradually opened, or the entire air passage can be opened as shown in FIG. 9.

On the contrary, while rotating the rotating plate 40 counterclockwise in the state shown in FIG. 9, the sequential angles of the first air flap 11, the second air flap 21, and the third air flap 31 By switching, the air passage can be closed as shown in FIG. 6 through a process of gradually closing part of the air passage as shown in FIGS. 8 and 7. These details are summarized in the table of FIG. 10 based on the rotation angle of the rotating plate 40, and more specifically, in units of the first set angle (α, 30°).

The control unit 92 includes a first opening part in which the first air flap 11 is arranged, a second opening part in which the second air flap 21 is arranged, and a third air flap 31 are arranged in the air flow path. A closed mode in which the rotating plate 40 is rotated at an initial angle OA so that the third opening is closed, and a first open mode in which the rotating plate 40 is rotated at a first set angle SA1 so that the first opening is opened. , a second opening mode in which the rotating plate 40 is rotated at a second set angle SA3 so that the first opening and the second opening are opened, and the first opening, the second opening, and the third opening are all opened. By selectively operating the third open mode in which the rotary plate 40 is rotated at the third set angle SA3, the wind volume and wind power can be variously increased or decreased while opening and closing the air passage as shown in FIGS. 6 to 9. there is.

Figure 11 is a side view showing another example of the first guide slit portion, the second guide slit portion, and the third guide slit portion of the air flap device for a vehicle according to an embodiment of the present invention.

The first angle variable slit portion 53 is not limited to extending linearly as shown in FIG. 6, and the first guide pin portion 17 is connected to the first open retaining slit on the first closed retaining slit portion 51 side. If it can be continuously guided toward the part 52, it can be formed to extend in a curved shape, for example, in an arc shape, as shown in FIG. 11.

When the first angle variable slit portion 53 is formed to extend in a curved shape, the connection portion between the first closed holding slit portion 51 and the first angle variable slit portion 53 is the first angle variable slit portion 53. Compared to the case where it is formed in a straight line, it has a smaller curvature (1/radius), so from the first closed holding slit portion 51 to the first angle variable slit portion 53, the first angle variable slit portion 53 ) can be moved more smoothly toward the first open maintaining slit portion 52. Additionally, the second angle variable slit portion 63 and the third angle variable slit portion 73 may also be formed to extend in a curved shape as described above.

According to the vehicle air flap device according to the present invention having the above configuration, the first guide slit portion 50 to which the first guide pin portion 17 is bound is moved by rotating the rotating plate 40, The angle of the first air flap (11) around the guide pin portion (17) and the first flap axis (12) disposed on two axes is changed from a closed angle to block the air passage to an open angle to open the air passage. It can be varied and adjusted in various ways.

In addition, according to the present invention, when applying a plurality of air flaps corresponding to the first air flap 11, the plurality of guide slits corresponding to each of the plurality of air flaps on the rotating plate 40 are prevented from interfering with or overlapping each other. By forming this, the degree of opening of the air passage can be adjusted in various ways by sequentially rotating a plurality of air flaps by rotating one rotating plate 40.

In addition, according to the present invention, the rotation angles of a plurality of air flaps can be individually adjusted by rotating one rotary plate 40, so that air can be adjusted in consideration of the condition of the engine room of the vehicle using one drive motor 91. Optimum flow rate control is possible to achieve aerodynamic performance and thereby improve vehicle fuel efficiency.

In addition, according to the present invention, the rotation angle of a plurality of air flaps can be individually adjusted by a simple structure including only one drive motor 91 for rotating one rotary plate 40, so that each of the plurality of air flaps There is no need to provide a plurality of drive motors 91 to individually adjust the rotation angle, thereby improving productivity and reducing costs.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art will recognize that various modifications and other equivalent embodiments are possible therefrom. You will understand. Therefore, the true technical protection scope of the present invention should be determined by the scope of the patent claims below.

10: first air flap portion 11: first air flap
12: first flap axis 13: first flap portion
15: first interlocking connection part 16: first extension part
17: first guide pin part 20: second air flap part
21: second air flap 22: second flap axis
23: second flap portion 25: second interlocking connection portion
26: second extension part 27: second guide pin part
30: Third air flap portion 31: Third air flap
32: Third flap axis 33: Third flap portion
35: third interlocking connection part 36: third extension part
37: Third guide pin part 40: Rotating plate
50: first guide slit portion 51: first closed maintenance slit portion
52: first open maintenance slit part 53: first angle variable slit part
60: second guide slit part 61: second closed maintenance slit part
62: Second open maintenance slit section 63: Second angle variable slit section
70: Third guide slit section 71: Third closed maintenance slit section
72: Third open maintenance slit section 73: Third angle variable slit section
80: shaft support 81: first shaft support
82: 2nd axis support 90: driving part
91: driving motor 92: control unit

Claims (12)

A first air flap rotatably installed about the first flap axis;
A first interlocking connection portion connected to the first air flap and having a first guide pin portion formed at a position spaced apart from the first flap axis;
a rotating plate rotatably installed on one side of the first interlocking connection; and
A first guide slit is formed in a slit shape on the rotating plate, the first guide pin portion is inserted, and guides the movement of the first guide pin portion along a path in which the angle of the first air flap changes when the rotating plate is rotated. Part; includes,
The first guide slit portion,
A first closed maintenance device is disposed at a position corresponding to the first guide pin portion while the first air flap is rotated at a closing angle to block the air passage, and extends in an arc shape centered on the rotation center of the rotating plate. slit part;
A first open maintenance device is disposed at a position corresponding to the first guide pin portion while the first air flap is rotated at an opening angle for opening the air passage, and extends in an arc shape centered on the rotation center of the rotating plate. slit part; and
It is continuously formed between the first closed maintaining slit portion and the first open maintaining slit portion, and the first guide pin portion is maintained in the first closed maintaining slit portion while the rotating plate is rotated from the initial angle to the first set angle. An air flap device for a vehicle, comprising: a first angle variable slit portion guiding the first open maintaining slit portion.
According to paragraph 1,
When the rotary plate rotates from the initial angle to the first set angle, the first air flap is rotated from a closed angle to block the air passage to an open angle to open the air passage.
delete According to paragraph 1,
The first angle variable slit portion,
An air flap device for a vehicle, characterized in that it is formed to extend in a straight line from a first radial position where the first closed maintaining slit portion is formed to a second radial position where the first open maintaining slit portion is formed.
According to paragraph 1,
The first angle variable slit portion,
An air flap device for a vehicle, characterized in that it is formed to extend in a curved shape from a first radial position where the first closed maintaining slit portion is formed to a second radial position where the first open maintaining slit portion is formed.
According to paragraph 1,
a second air flap disposed in parallel with the first air flap and rotatable about the second flap axis;
a second interlocking connection portion connected to the second air flap and having a second guide pin portion formed at a position spaced apart from the second flap axis; and
A second guide slit is formed in a slit shape on the rotating plate, the second guide pin portion is inserted, and guides the movement of the second guide pin portion along a path in which the angle of the second air flap changes when the rotating plate is rotated. An air flap device for a vehicle, further comprising a unit.
According to clause 6,
When the rotary plate rotates to the initial angle, the first air flap and the second air flap are rotated to a closed angle to block the air passage,
When the rotary plate rotates from the initial angle to the first set angle, the first air flap is rotated to an opening angle to open the air passage, and the second air flap maintains the closed angle,
When the rotary plate rotates from the first set angle to the second set angle, the first air flap maintains the opening angle, and the second air flap rotates to the open angle.
According to clause 6,
The second guide slit portion,
a second closed maintenance slit portion disposed at a position corresponding to the second guide pin portion when the second air flap is rotated at the closing angle and extending in an arc shape centered on the rotation center of the rotating plate;
a second open maintaining slit portion disposed at a position corresponding to the second guide pin portion when the second air flap is rotated at the opening angle and extending in an arc shape centered on the rotation center of the rotating plate; and
It is continuously formed between the second closed maintaining slit portion and the second open maintaining slit portion, and maintains the second closing of the second guide pin portion while the rotating plate is rotated from the first set angle to the second set angle. An air flap device for a vehicle comprising a second angle variable slit portion that guides the slit portion to the second open maintaining slit portion.
According to clause 8,
When the first guide pin portion reaches the connection portion of the first closed maintaining slit portion and the first angle variable slit portion, the second guide pin portion is positioned on the second closed retaining slit portion,
When the first guide pin part passes through the first angle variable slit part and reaches the connection part of the first angle variable slit part and the first open maintaining slit part, the second guide pin part passes through the second closed maintaining slit part. It is located at a connection portion of the second closed maintenance slit portion and the second angle variable slit portion,
While the first guide pin portion moves along the first open maintaining slit portion, the second guide pin portion moves continuously along the second angle variable slit portion and the second open maintaining slit portion. Air flap device.
According to paragraph 1,
a drive motor that provides driving force to rotate the rotary plate; and
An air flap device for a vehicle, further comprising a control unit that controls the operation of the drive motor.
In clause 7,
a drive motor that provides driving force to rotate the rotary plate; and
It further includes a control unit that controls the operation of the drive motor,
The control unit,
Rotating the driving motor in the forward direction and sequentially rotating the first air flap and the second air flap to an opening angle for opening the air passage, or rotating the driving motor in the reverse direction, An air flap device for a vehicle, characterized in that the second air flap and the first air flap are sequentially rotated to a closing angle to close the air passage.
According to clause 11,
The control unit,
a closing mode in which the rotary plate is rotated to an initial angle so that the first opening portion in which the first air flap is disposed and the second opening portion in which the second air flap is disposed are closed in the air flow path;
a first opening mode in which the rotating plate is rotated at a first set angle so that the first opening is opened; and
An air flap device for a vehicle, characterized in that it is operated including; a second opening mode in which the rotating plate is rotated at a second set angle so that the first opening and the second opening are opened.

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