KR20210004093A - Airflap apparatus for vehicle - Google Patents

Abstract

The present invention relates to an air flap device for a vehicle, which comprises: a first air flap installed to be rotatable around a first flap shaft; a first linkage connection unit connected to the first air flap and having a first guide pin unit formed at a position spaced from the first flap shaft; a rotary plate installed to rotatable on one side of the first linkage connection unit; and a first guide slit unit formed in a slit shape on the rotary plate, enabling the first guide pin unit to be inserted therein, and guiding movement of the first guide pin unit in a path where an angle of the first air flap is varied when the rotary plate is rotated.

Description

Vehicle air flap device {AIRFLAP APPARATUS FOR VEHICLE}

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

In general, an active air flap (AAF) is a device for controlling the amount of external air introduced through the bumper grill of a vehicle, and includes a plurality of flaps, a connecting member connecting the plurality of flaps, and a connecting member. It has a structure including a drive motor for moving or rotating, and a housing for accommodating and supporting these components.

Conventionally, in rotating a plurality of flaps with a single drive motor, the plurality of flaps must be rotated at the same angle, that is, all flaps must be switched to the open angle at the same time or to the closed angle at the same time. There is a limitation that only simple operation modes of open mode and closed mode can be implemented. Therefore, there is a need to improve this.

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

An object of the present invention is to provide an air flap apparatus for a vehicle capable of controlling an optimum flow rate of an air flow rate in consideration of an engine room condition of a vehicle while individually adjusting the rotation angles of a plurality of flaps using a single drive motor.

An air flap device for a vehicle according to the present invention comprises: a first air flap installed rotatably about a first flap shaft; A first interlocking connection part connected to the first air flap and having a first guide pin part formed at a position spaced apart from the first flap shaft; A rotating plate rotatably installed on one side of the first interlocking connector; And a first guide formed in a slit shape on the rotating plate, into which the first guide pin part is inserted, and guides the movement of the first guide pin part in a path in which the angle of the first air flap is changed when the rotating plate is rotated. It characterized in that it includes; slit portion.

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

The first guide slit portion is disposed at a position corresponding to the first guide pin portion in a state in which 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 holding slit extending into the; The first air flap is disposed at a position corresponding to the first guide pin in a state in which the first air flap is rotated at an opening angle to open the air flow path, and is maintained in a first open shape extending in an arc shape centered on the rotation center of the rotating plate. Slit; And the first closed holding slit part and the first open holding slit part, and the first guide pin part is the first closed maintenance slit part while the rotating plate is rotated from an initial angle to a first set angle. It characterized in that it comprises a; a first angle variable slit portion guiding to the first open holding slit portion.

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

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

The present invention comprises: a second air flap disposed in parallel with the first air flap and rotatably installed about a second flap shaft; A second interlocking connection part connected to the second air flap and having a second guide pin part formed at a position spaced apart from the second flap shaft; And a second guide formed on the rotating plate in a slit shape, into which the second guide pin part is inserted, and guides the movement of the second guide pin part in a path in which the angle of the second air flap is variable when the rotating plate is rotated. It characterized in that it further comprises a slit portion.

In the present invention, when the rotating plate is rotated at an initial angle, the first air flap and the second air flap are rotated at a closed angle to block the air flow path, and when the rotating plate is rotated from an initial angle to a first set angle. , The first air flap is rotated at an open angle for opening the air flow path, the second air flap maintains a closed angle, and when the rotating plate rotates from the first set angle to a second set angle, the The first air flap is characterized in that it maintains an open angle, and the second air flap is rotated at an open angle.

The first guide slit portion is disposed at a position corresponding to the first guide pin portion in a state in which 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 holding slit extending into the; The first air flap is disposed at a position corresponding to the first guide pin in a state in which the first air flap is rotated at an opening angle to open the air flow path, and is maintained in a first open shape extending in an arc shape centered on the rotation center of the rotating plate. Slit; And the first closed holding slit part and the first open holding slit part, and the first guide pin part is the first closed maintenance slit part while the rotating plate is rotated from an initial angle to a first set angle. Including a first angle variable slit portion guiding to the first open holding slit portion, wherein the second guide slit portion corresponds to the second guide pin portion in a state in which the second air flap is rotated to the closed angle. A second closed holding slit disposed at a position and extending in an arc shape centered on the rotation center of the rotating plate; A second opening holding slit portion disposed at a position corresponding to the second guide pin portion in a state in which the second air flap is rotated at the opening angle, and extending in an arc shape centered on the rotation center portion of the rotating plate; And the second closed holding slit part and the second open holding slit part, and the second guide pin part is closed while the rotating plate is rotated from the first set angle to a second set angle. And a second variable angle slit portion guiding from the holding slit portion to the second open holding slit portion.

In the present invention, when the first guide pin part reaches the connecting part of the first closed holding slit part and the first angle variable slit part, the second guide pin part is located on the second closed holding slit part, and the When the first guide pin part passes through the first variable angle slit and reaches the connection part of the first variable angle slit part and the first open maintenance slit part, the second guide pin part passes through the second closed maintenance slit part It is located at the connection portion of the second closed holding slit portion and the second variable angle slit portion, and while the first guide pin portion is moved along the first open holding slit portion, the second guide pin portion is the second variable angle slit portion And it characterized in that it moves continuously along the second open holding slit.

The present invention, a drive motor providing a driving force to rotate the rotating plate; And a control unit for controlling the operation of the driving motor.

The present invention, a drive motor providing a driving force to rotate the rotating plate; And a control unit for controlling the operation of the driving motor, wherein the control unit rotates the driving motor in a forward direction and opens the first air flap and the second air flap to open the air passage. The second air flap and the first air flap are sequentially rotated so as to be rotated to be, or the driving motor is rotated in a reverse direction, and the second air flap and the first air flap are sequentially rotated to become a closing angle for closing the air passage.

The control unit includes: a closed mode in which the rotating plate rotates at an initial angle such that the first opening portion in which the first air flap is arranged and the second opening portion in which the second air flap is arranged are closed among the air passages; A first open mode for rotating the rotating plate at a first set angle so that the first open part is opened; And a second open mode in which the rotating plate is rotated at a second set angle so that the first opening part and the second opening part are opened.

The air flap device of the 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, while the first guide pin portion and the first flap shaft disposed on the two shaft are moved. The angle of the air flap can be varied and adjusted from the closing angle to block the air passage to the opening angle to open the air passage.

In addition, the present invention, when applying a plurality of air flaps corresponding to the first air flap, by forming a plurality of guide slits corresponding to each of the plurality of air flaps on the rotating plate so as not to interfere with each other or overlap, thereby forming one rotating plate. By rotating a plurality of air flaps sequentially, the degree of opening of the air flow path can be variously adjusted.

In addition, in the present invention, since the rotation angle of a plurality of air flaps can be individually adjusted by rotating one rotating plate, an optimum flow rate control of the air flow rate in consideration of the state of the engine room of the vehicle is possible using a single driving motor. Thus, it is possible to implement aerodynamic performance, and thereby improve vehicle fuel efficiency.

In addition, in the present invention, since the rotation angle of a plurality of air flaps can be individually adjusted by a simple structure including only one driving motor for rotating one rotating plate, the rotation angle of each of the plurality of air flaps can be individually adjusted. In order to do so, it is not necessary to have a plurality of drive motors, so that productivity improvement and cost reduction can be realized.

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

Hereinafter, an embodiment of an air flap device for a vehicle according to the present invention will be described with reference to the accompanying drawings. In this process, thicknesses of lines or sizes of components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described later are terms defined in consideration of functions in the present invention, and may vary according to the intention or custom of users or operators. Therefore, definitions of these terms should be made based on the contents throughout the present specification.

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

Referring to FIG. 1, the air flap device of a vehicle according to an embodiment of the present invention includes a first air flap part 10, a second air flap part 20, a third air flap part 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 driving part 90.

The first air flap unit 10 has a panel shape capable of interfering with and blocking the flow of air, and is installed in a duct (not shown) across the air passage. The first air flap unit 10 according to an embodiment of the present invention includes a first air flap 11 and a first interlocking connection 15. The first air flap 11 includes a first flap shaft 12 formed to extend in the lateral direction, and a first flap portion 13 that has a panel shape and is rotatably installed around the first flap shaft 12 Has a structure that is integrally connected.

4 is an exploded perspective view schematically illustrating an air flap device for a vehicle according to an embodiment of the present invention, and FIG. 5 is an enlarged view of part B of FIG. 4.

The first interlocking connecting 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 the first air flap 11 and the first air flap 11 at the end of the first air flap 11 It is integrally connected to rotate and move with the same displacement. 4 and 5, the first interlocking connector 15 is in the first air flap 11, more specifically in the radial direction of the first flap shaft 12 at the end of the first flap shaft 12 It includes a first extension portion 16 extending to, and a first guide pin portion 17 formed to protrude toward the rotating plate 40 from the end of the first extension portion 16.

The first guide pin part 17 is disposed at a position spaced apart from the first flap shaft 12, and the first guide slit part 50 formed on the rotating plate 40 as shown in FIGS. 2 and 3 It is inserted into and united. When the rotating plate 40 is rotated, the first guide pin part 17 moves along the first guide slit part 50, and the first guide pin part 17 moves along the first guide slit part 50. When displacement occurs, the first air flap 11 rotates about the first flap shaft 12.

The second air flap portion 20 and the third air flap portion 30 are disposed above the first air flap portion 10 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 together in a state in which the upper and lower portions are connected to each other to close the air passage. In this state, at least one side of the first air flap portion 10, the second air flap portion 20, and the third air flap portion 30 is rotated at an angle within 180°, thereby opening the air flow path.

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

The second flap shaft 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 part 33, the third extension part 36 and the third guide pin part 37 are each of the first flap shaft 12 of the first air flap part 10 , The first flap part 13, the first extension part 16, the first guide pin part 17 has a shape, structure, and action corresponding to the bar, and a 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 zero air flap unit 30, and is set in connection with the operation of the driving 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 rotating the rotating plate 40, the first guide slit part 50, the second guide slit part 60, and the third guide slit part 70 rotate of the rotating plate 40 connected to the drive shaft of the driving motor 91. It is moved in the same angular displacement as the rotating plate 40 centering on the center.

The first guide slit part 50 is a device 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 part 17 is at least partially inserted into the first guide slit part 50 or inserted through the first guide slit part 50 to be bound to the first guide slit part 50. When the rotating plate 40 is rotated, the first guide slit part 50 is moved in the same angular displacement as the rotating plate 40, and the first guide pin part 17 is in a path in which the angle of the first air flap 11 is variable. Guide the movement.

The second guide slit part 60 is a device that guides the movement of the second guide pin part 27 and is formed in a slit shape on the rotating plate 40. The third guide slit portion 70 is a device 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 part 50, the second guide slit part 60, and the third guide slit part 70 are formed to penetrate through one rotating plate 40, and the first guide pin part 17, the second They are 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 at least partially inserted into the second guide slit portion 60 or is fitted through the second guide slit portion 60 to be bound to the second guide slit portion 60. When the rotating plate 40 is rotated, the second guide slit part 60 is moved in the same angular displacement as the rotating plate 40, and the second guide pin part 27 moves along a path in which the angle of the second air flap 21 is variable. Guide the movement.

The third guide pin part 37 is at least partially inserted into the third guide slit part 70 or inserted through the third guide slit part 70 to be bound to the third guide slit part 70. When the rotating plate 40 is rotated, the third guide slit part 70 is moved in the same angular displacement as the rotating plate 40, and the third guide pin part 37 is in a path in which the angle of the third air flap 31 is variable. Guide the movement.

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

The first shaft support part 81 and the second shaft support part 82 rotate the first air flap part 10, the second air flap part 20, and the third air flap part 30 at two spaced apart from each other. Support as much as 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 opposite side of the rotating plate 40, and the first flap shaft ( The end of 12) is rotatably supported. It is disposed in the middle portion of the first air flap 11 and rotatably supports the middle portion 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 part 80, and the first air flap part 10 ), the second air flap part 20 and the third air flap part 30 are rotated with the first flap shaft 12, the second flap shaft 22, and the third flap shaft 32 as rotation centers, respectively. In conjunction with the rotation of 40, it can be clearly rotated at a set angle.

In the description of the present invention, in describing the rotation angle of the first air flap portion 10, the second air flap portion 20, and the third air flap portion 30, the angle for blocking the air flow path, that is, degrees As shown in Fig. 1, an angle arranged upright in a vertical direction opposite to the flow direction of air is referred to as a closing angle, and an angle for opening the air passage, that is, an angle other than the closing angle, is referred to as an opening angle.

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

The driving motor 91 is a device that provides a driving force for rotating the rotating plate 40, and the driving shaft is connected to the rotation center of the rotating plate 40. The control unit 92 controls the operation of the drive motor 91. The control unit 92 rotates the driving motor 91 in a forward direction and sequentially rotates the first air flap 11, the second air flap 21, and the third air flap 31 to become an open angle, or The driving 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 so as to be at a closed angle.

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

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

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

In the following description of the present invention with reference to FIGS. 6 to 9, as shown in FIG. 6 for convenience, the first guide pin portion 17 is positioned in a state in which the first air flap 11 is rotated at a closed angle. The change in the angle of the rotating plate 40 will be described based on the point at which it becomes a point. That is, the position of the radial extension line of the rotating plate 40 passing through the first guide pin 17 in FIG. 6 is set as the reference angle or the initial angle OA of the rotating plate 40.

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

The first angle variable slit portion 53 is continuously formed between the first closed holding slit portion 51 and the first open holding slit portion 52, and the rotating plate 40 is at a first set angle from the initial angle. During rotation (eg, 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 angular variable slit portion 53 is formed to extend from a first radial position where the first closed holding slit portion 51 is formed to a second radial position where the first open holding slit portion 52 is formed. The first angular variable slit portion 53 is formed to extend linearly from the first radial position where the first closed holding slit portion 51 is formed to the second radial position where the first open holding slit portion 52 is formed. .

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

The second guide slit part 60 according to an embodiment of the present invention includes a second closed maintenance slit part 61, a second open maintenance slit part 62, and a second variable angle slit part 63. The third guide slit portion 70 according to an embodiment of the present invention includes a third closed holding slit portion 71, a third open holding slit portion 72, and a third variable angle slit portion 73. The second closed holding slit 61 of the second guide slit 60, the second open holding slit 62, the second variable angle slit 63, the third of the third guide slit 70 The closed holding slit portion 71, the third open holding slit portion 72, and the third variable angle slit portion 73 are the first closed holding slit portion 51 and the first of the first guide slit portion 50, respectively. The shape, structure, and action corresponding to the open holding slit portion 52 and the first angle variable slit portion 53 are omitted, and detailed descriptions thereof will be omitted.

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

By the movement of the first guide pin 17, the first air flap 11 integrally connected with the first guide pin 17 is centered on the first flap shaft 12, and is 90 from the closed angle to the open angle. ° is rotated. At this time, the second guide pin portion 27 is not moved, and is moved along the second closing holding slit portion 61 while maintaining the closing angle of the second air flap 21.

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

While the rotating 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 17 does not move. , While maintaining the opening angle of the first air flap 11, it is moved along the first open holding slit 52. At this time, the second guide pin portion 27 is moved from the second closed holding slit portion 61 side to the second open holding slit portion 62 side along the second variable angle slit portion 63, and such a second guide pin portion By the movement of (27), the second air flap 21 integrally connected with the second guide pin portion 27 is rotated 90° from the closed angle to the open angle with the second flap shaft 22 as the center.

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 closed angle to block the air flow path, 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 at an open angle to open the air flow path, the second air flap 21 maintains a closed angle, and the rotating plate 40 is When rotating from the first set angle SA1 to the second set angle SA2, the first air flap 11 maintains an open angle, and the second air flap 21 is rotated at an open angle.

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, and FIG. 10 is a first air flap, a second air flap, and a third air flap shown in FIGS. 6 to 9 It is a table showing the state of rotation.

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

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

At this time, the third guide pin portion 37 is moved from the third closed holding slit portion 71 side to the third open holding slit portion 72 side along the third angle variable slit portion 73, and such a third guide pin portion By the movement of (37), the third air flap 31 integrally connected with the third guide pin part 37 is rotated by 90° from the closed angle to the open angle with the third flap shaft 32 as the center.

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 flow path. It has a closing angle for When the rotating plate 40 is rotated at a 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 flow path. The second air flap 21 and the third air flap 31 are rotated at an open angle for maintaining the closed angle.

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

As described above, by sequentially changing the angle of the first air flap 11, the second air flap 21, and the third air flap 31, the air flow path is closed as shown in FIG. As shown in FIG. 8, a part of the air flow passage may be gradually opened, or as shown in FIG. 9, the entire air passage may be opened.

Conversely, 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 may be closed as shown in FIG. 6 through a process of gradually closing a part of the air passage as shown in FIGS. 8 and 7. These contents are summarized in the table of FIG. 10 based on the rotation angle of the rotating plate 40, and more specifically, in units of a first set angle (α, 30°).

The control unit 92 includes a first opening portion in which the first air flap 11 is arranged, a second opening portion in which the second air flap 21 is arranged, and the third air flap 31 are arranged. 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 open mode in which the rotating plate 40 is rotated at a second set angle SA3 so that the first and second open parts are opened, and all of the first, second, and third open parts are open. By selectively operating the third open mode in which the rotating plate 40 is rotated at a third set angle SA3, it is possible to variously increase or decrease the air volume and wind power while opening and closing the air flow path as shown in FIGS. 6 to 9. have.

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

The first angular variable slit portion 53 is not limited to extending in a straight line as shown in FIG. 6, and the first guide pin portion 17 is a first open holding slit from the side of the first closed holding slit portion 51 If it can be continuously guided toward the part 52, it may be formed to extend in a curved shape, for example, in an arc shape, as shown in FIG. 11.

When the first variable angle 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 variable angle slit portion 53 is the first variable angle slit portion 53 Compared to the case of forming in a straight line, since it has a smaller curvature (1/radius), the first closed holding slit portion 51 side to the first angle variable slit portion 53, the first angle variable slit portion 53 ) Can be moved more smoothly toward the first open holding slit portion 52. In addition, the second variable angle 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 air flap device of the vehicle according to the present invention having the configuration as described above, while moving the first guide slit portion 50 to which the first guide pin portion 17 is bound by rotating the rotating plate 40, the first 1 The angle of the first air flap 11 centered on the guide pin 17 and the first flap shaft 12 disposed on the two shaft is the opening angle for opening the air passage at the closed angle for blocking 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, a plurality of guide slit portions corresponding to each of the plurality of air flaps on the rotating plate 40 do not interfere with each other and do not overlap. By forming, it is possible to variously adjust the degree of opening of the air flow path while sequentially rotating a plurality of air flaps by rotating one rotating plate 40.

In addition, according to the present invention, since the rotation angle of a plurality of air flaps can be individually adjusted by rotating one rotating plate 40, the air in consideration of the state of the engine room of the vehicle using one driving motor 91 It is possible to control the optimum flow rate of the flow rate, thereby realizing aerodynamic performance, and thus improving 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 driving motor 91 for rotating one rotating plate 40, so that each of the plurality of air flaps Since it is not necessary to have a plurality of drive motors 91 to individually adjust the rotation angle of, it is possible to improve productivity and reduce cost.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is only illustrative, and those of ordinary skill in the field to which the technology pertains, various modifications and other equivalent embodiments are possible. I will understand. Therefore, the true technical protection scope of the present invention should be determined by the following claims.

10: first air flap part 11: first air flap
12: first flap shaft 13: first flap portion
15: first interlocking connection 16: first extension
17: first guide pin part 20: second air flap part
21: 2nd air flap 22: 2nd flap shaft
23: second flap portion 25: second interlocking connection
26: second extension part 27: second guide pin part
30: 3rd air flap part 31: 3rd air flap
32: 3rd flap shaft 33: 3rd flap part
35: third interlocking connection 36: third extension
37: third guide pin part 40: rotating plate
50: first guide slit part 51: first closed holding slit part
52: first open holding slit portion 53: first angle variable slit portion
60: second guide slit part 61: second closed holding slit part
62: second open holding slit part 63: second angle variable slit part
70: 3rd guide slit part 71: 3rd closed holding slit part
72: third open holding slit portion 73: third angle variable slit portion
80: shaft support 81: first shaft support
82: second shaft support part 90: drive part
91: drive motor 92: control unit

Claims (12)

A first air flap installed rotatably about the first flap shaft;
A first interlocking connector connected to the first air flap and having a first guide pin part formed at a position spaced apart from the first flap shaft;
A rotating plate rotatably installed on one side of the first interlocking connector; And
The first guide slit is formed in a slit shape on the rotating plate, the first guide pin part is inserted, and guides the movement of the first guide pin part in a path in which the angle of the first air flap is changed when the rotating plate is rotated Part; air flap device for a vehicle comprising a.
The method of claim 1,
When the rotating plate is rotated from an initial angle to a first set angle, the first air flap is rotated at an open angle to open the air passage at a closed angle to block the air passage.
The method of claim 1,
The first guide slit portion,
The first air flap is disposed at a position corresponding to the first guide pin in a state in which the first air flap is rotated at a closing angle to block the air passage, and the first closed maintenance is extended in an arc shape centered on the rotation center of the rotating plate. Slit;
The first air flap is disposed at a position corresponding to the first guide pin in a state in which the first air flap is rotated at an opening angle to open the air flow path, and is maintained in a first open shape extending in an arc shape centered on the rotation center of the rotating plate. Slit; And
It is formed continuously between the first closed holding slit part and the first open holding slit part, and the first guide pin part in the first closed holding slit part while the rotating plate is rotated from an initial angle to a first set angle. And a first angle variable slit portion guiding the first open maintenance slit portion.
The method of claim 3,
The first angle variable slit portion,
An air flap apparatus for a vehicle, wherein the air flap device for a vehicle is formed to extend in a straight line from a first radial position in which the first closed retaining slit is formed to a second radial position in which the first open retaining slit is formed.
The method of claim 3,
The first angle variable slit portion,
An air flap apparatus for a vehicle, wherein the air flap device for a vehicle is formed to extend in a curved shape from a first radial position in which the first closed holding slit is formed to a second radial position in which the first open holding slit is formed.
The method of claim 1,
A second air flap disposed parallel to the first air flap and rotatably installed around a second flap shaft;
A second interlocking connection part connected to the second air flap and having a second guide pin part formed at a position spaced apart from the second flap shaft; And
The second guide slit is formed in a slit shape on the rotating plate, the second guide pin part is inserted, and guides the movement of the second guide pin part in a path in which the angle of the second air flap is variable when the rotating plate is rotated A vehicle air flap device, characterized in that it further comprises a.
The method of claim 6,
When the rotating plate rotates at an initial angle, the first air flap and the second air flap are rotated at a closed angle to block the air flow path,
When the rotating plate is rotated from an initial angle to a first set angle, the first air flap is rotated at an open angle to open the air flow path, and the second air flap maintains a closed angle,
When the rotating plate rotates from the first set angle to a second set angle, the first air flap maintains an open angle, and the second air flap is rotated at an open angle.
The method of claim 6,
The first guide slit portion,
The first air flap is disposed at a position corresponding to the first guide pin in a state in which the first air flap is rotated at a closing angle to block the air passage, and the first closed maintenance is extended in an arc shape centered on the rotation center of the rotating plate. Slit;
The first air flap is disposed at a position corresponding to the first guide pin in a state in which the first air flap is rotated at an opening angle to open the air flow path, and is maintained in a first open shape extending in an arc shape centered on the rotation center of the rotating plate. Slit; And
It is formed continuously between the first closed holding slit part and the first open holding slit part, and the first guide pin part in the first closed holding slit part while the rotating plate is rotated from an initial angle to a first set angle. Including; a first angle variable slit portion guiding to the first open holding slit portion,
The second guide slit portion,
A second closed holding slit portion disposed at a position corresponding to the second guide pin portion in a state in which the second air flap is rotated at the closed angle, and extending in an arc shape around a rotation center portion of the rotating plate;
A second opening holding slit portion disposed at a position corresponding to the second guide pin portion in a state in which the second air flap is rotated at the opening angle, and extending in an arc shape centered on the rotation center portion of the rotating plate; And
It is continuously formed between the second closed holding slit part and the second open holding slit part, and the second guide pin part is kept closed while the rotating plate is rotated from the first set angle to a second set angle. And a second variable angle slit portion guiding from the slit portion to the second opening maintaining slit portion.
The method of claim 8,
When the first guide pin part reaches the connection part of the first closed holding slit part and the first angle variable slit part, the second guide pin part is located on the second closed holding slit part,
When the first guide pin part passes through the first variable angle slit and reaches the connection part of the first variable angle slit part and the first open maintenance slit part, the second guide pin part passes through the second closed maintenance slit part. It is located at the connection portion of the second closing maintenance slit portion and the second angle variable slit portion,
While the first guide pin portion is moved along the first open holding slit portion, the second guide pin portion is continuously moved along the second variable angle slit portion and the second open holding slit portion. Air flap device.
The method of claim 1,
A driving motor providing a driving force to rotate the rotating plate; And
A control unit for controlling the operation of the driving motor; the air flap apparatus for a vehicle further comprising.
The method of claim 6,
A driving motor providing a driving force to rotate the rotating plate; And
Further comprising; a control unit for controlling the operation of the drive motor,
The control unit,
The driving motor is rotated in a forward direction, and the first air flap and the second air flap are sequentially rotated to become an opening angle for opening the air passage, or the driving motor is rotated in a reverse direction, 2. An air flap device for a vehicle, characterized in that sequentially rotating the air flap and the first air flap to a closing angle for closing the air passage.
The method of claim 11,
The control unit,
A closed mode in which the rotating plate is rotated at an initial angle such 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 among the air passages;
A first open mode for rotating the rotating plate at a first set angle so that the first open part is opened; And
And a second open mode in which the rotating plate is rotated at a second set angle so that the first opening part and the second opening part are opened.

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