JP3045885B2 - Ventilator grill - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator grill for adjusting a wind direction, which is mounted on a cooling / heating air outlet of an air conditioner of an automobile.

[0002]

2. Description of the Related Art As shown in FIG. 11, a ventilator grille 100 is attached to a cooling / heating air outlet of an air conditioner of an automobile to adjust a wind direction to a room as required. As shown in FIG. 12 to FIG. 14, the ventilator grill 100 is a ventilator case 1 attached to an air outlet.
And a louver body 102 pivotally supported by the ventilator case 101 so as to change its direction in the vertical direction. The louver body 102 includes a plurality of horizontal fins 10.
A plurality of vertical fins 104 are supported at the rear of the shaft 3 by a vertical axis. These vertical fins 104 are integrally linked by a common connector 105.

The horizontal fin 103 is provided with an operation knob 106 for operating the vertical fin 104. The operation knob 106 is provided with an engagement groove 107 at a tip portion. It protrudes from the upper surface of an arm 109 provided integrally with one of the vertical fins 104.

According to the above configuration, when the operation knob 106 is operated up and down, the louver body 102 is rotated up and down and the direction of the horizontal fin 103 is moved up and down.

Next, when the operation knob 106 is slid in the horizontal direction, the operation knob 106 slides along the horizontal fin 103, and the shaft 10 provided on the arm 109 of the vertical fin 104.
8 is moved via the engagement groove 107. Thus, axis 1
08 moves in the horizontal direction while rotating, and changes the direction of the vertical fins 104 in the horizontal direction. Since the vertical fin 104 and the other vertical fin 104 are connected by the connector 105,
Along with the vertical fins 104, the other vertical fins 104 also change directions.

[0006]

According to the above prior art, since the operation knob 106 only changes the direction of the vertical fin 104, when the vertical fin 104 is in the fully closed state, there is no sense of moderation, and vibrations during running or the like cause As a result, the operation knob 106 or the vertical fin 104 moves in the horizontal direction and cannot be kept in the fully closed state, causing a wind leak.

[0007] The present invention solves the above-mentioned problems, and provides a ventilator that can obtain a sense of moderation in the operation knob and can keep the vertical fin fully closed against vehicle body vibration when the vertical fin is closed. The purpose is to provide a grill.

[0008]

In order to solve the above-mentioned problems, the present invention provides a ventilator case, a plurality of horizontal fins, a louver body rotatably provided with respect to the ventilator case, and the horizontal fins. A plurality of vertical fins which are arranged on the rear side and rotate about an axis orthogonal to the axis of the horizontal fin in conjunction with each other, and provided on the horizontal fin so as to be slidable along the axial direction of the horizontal fin. And a control knob that engages with one of the vertical fins through the tip to rotate the plurality of vertical fins. An extending arm is provided, a vertical axis is provided on the arm, an engagement groove for engaging with the axis is formed at the tip of the operation knob, and the vertical corner is formed at the tip corner of the operation knob. Fins During the twisting process, point contact is made to the surface of the adjacent vertical fin and pressed in the direction to close the vertical fin, and when the vertical fin is closed, line contact is made with the surface of the adjacent vertical fin and the vertical fin is kept closed That is, a cam portion is formed.

[0009]

When the operation knob is slid along the horizontal fin, the shaft engaged with the engagement groove of the operation knob moves, and the vertical fin provided with the shaft rotates accordingly. The other vertical fin also rotates in conjunction with the vertical fin, and the cam portion of the operation knob comes into contact with the vertical fin adjacent to the shaft-provided vertical fin. The vertical fin with which the cam portion abuts is held in a closed state when it goes over the corner of the operation knob, and the movement is restricted. In this way, the vertical fins can be kept in the fully closed state and the operation knob can have a sense of moderation.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings.

In FIG. 1 to FIG. 4, reference numeral 1 denotes a ventilator grill attached to a cooling / heating air outlet of an air conditioner of an automobile.

The ventilator grille 1 includes a ventilator case 2 mounted on an air outlet, and a louver body 3 whose left and right sides are pivotally supported by the ventilator case 2 so as to change the direction in the vertical direction. Louver body 3
Is formed by integrally molding a plurality of horizontal fins 4.
A plurality of vertical fins 5 are rotatably supported on the upper and lower surfaces of the louver main body 3 by a vertical axis. These vertical fins 5 are pivotally supported at the rear side by a common connector 6 so as to be integrally linked with each other.

Reference numeral 7 denotes an operation knob slidably mounted on one of the horizontal fins 4 along the axial direction of the horizontal fin 4. The operation knob 7 includes upper and lower plates 7 as shown in FIGS.
The upper and lower surfaces of the horizontal fin 4 are sandwiched by a and 7b. The lower side plate 7b of the operation knob 7 is provided with a projection 8 which is engaged with the rear end edge of the horizontal fin 4 on the plate surface and an engagement groove 9 at the front end.
As shown in FIGS. 8 to 10, a shaft 10 is provided on an upper surface of an arm 11 provided integrally with one of the vertical fins 5. At the front of the vertical fin 5, a notch 12 is provided at a position corresponding to the plate.

As shown in FIG. 6, an upper plate 7a is formed as a convex surface 13 on the surface of the operation knob 7 facing the horizontal fins 4, and a ridge 14 is formed on the lower plate 7b in the same direction as the axial direction of the horizontal fins 4. Is formed. On the other hand, on the lower surface of the rear end of the horizontal fin 4 supporting the operation knob 7, a projection 15 engaging with the projection 8 is provided.
And a gap 16 is formed between the tip of the horizontal fin 4 and the operation knob 7. An operation knob 7 is provided on the surface of the horizontal fin 4.
Projections 17 are provided on both sides of the horizontal fin 4 to restrict the sliding range of the vertical fin 5 from the fully open state of the vertical fin 5 to the fully closed state of the vertical fin 5.

The lower side plate 7b of the operation knob 7 adjusts the distance K to the vertical fin 5 and the width L of the tip 18 so that the vertical fin 5 closes to the tip corner 19 while the vertical fin 5 closes. A cam that contacts the surface of the fin 5 in a point contact manner and presses the vertical fin 5 in the closing direction, and in a state where the vertical fin 5 is closed, makes line contact with the surface of the adjacent vertical fin 5 and holds the vertical fin 5 in a closed state. A portion A is formed. The width L of the tip 18 of the lower plate 7b of the operation knob 7 is such that the tip corner 19 abuts on the surface of the adjacent vertical fin 5 in the process of closing the vertical fin 5, The corner 19 presses the surface of the adjacent vertical fin 5 so that the end face of the tip 18 comes to a position where it comes into contact with the surface of the adjacent vertical fin 5 when the vertical fin 5 is closed.

According to the above configuration, when the operation knob 7 is operated up and down, the louver main body 3 is turned up and down and the direction of the horizontal fin 4 is moved up and down. Next, when the operation knob 7 is slid in the horizontal direction, the operation knob 7 slides along the horizontal fin 4 and moves the shaft 10 provided on the arm 11 of the vertical fin 5 via the engagement groove 9.

Thus, the shaft 10 moves in the horizontal direction while rotating, and changes the direction of the vertical fins 5 in the horizontal direction. Since the vertical fins 5 and the other vertical fins 5 are connected by the connector 6, the direction of the other vertical fins 5 is changed together with the vertical fins 5 to adjust the wind direction in the left-right direction. At this time, the operation knob 7
In the lower side plate 7b, the tip corner 19 abuts on the surface of the adjacent vertical fin 5 in the process of closing the vertical fin 5, and the tip corner 19 is brought into contact with the adjacent vertical fin 5 in the sliding process of the operation knob 7. Press the surface of. When the vertical fin 5 is closed, the end surface of the tip portion 18 comes into contact with the surface of the adjacent vertical fin 5 and the vertical fin 5 is closed.
Of the vertical fin 5 is prevented from opening due to vibration. Therefore, it is possible to keep the vertical fins in the fully closed state and prevent the cause of wind leakage.

[0018]

As described above, according to the ventilator grill of the present invention, a ventilator case, a plurality of horizontal fins, and a louver body rotatably provided with respect to the ventilator case, A plurality of vertical fins arranged on the rear side of the fins and rotating in conjunction with each other about an axis orthogonal to the axis of the horizontal fins, and slidable on the horizontal fins along the axial direction of the horizontal fins. And a control knob for rotating the plurality of vertical fins by engaging with one of the vertical fins through a tip portion. With an arm that extends
A vertical shaft is provided on the arm, an engaging groove for engaging with the shaft is formed at the distal end of the operation knob, and the vertical fin is closed at the distal corner of the operation knob when the vertical fin is closed. Point contact with the surface of the fin and press in the direction to close the vertical fin,
A cam is formed to keep the vertical fins closed by making line contact with the surface of the adjacent vertical fins when the vertical fins are closed, so that the vertical fins are fully closed and prevent the cause of wind leakage be able to.

[Brief description of the drawings]

FIG. 1 is a front view showing a ventilator grill according to an embodiment of the present invention.

FIG. 2 is a left side view showing a ventilator grill.

FIG. 3 is a sectional view taken along line AA of FIG. 1 in a state where vertical fins are opened.

FIG. 4 is a sectional view taken along line AA of FIG. 1 in a state in which vertical fins are closed.

FIG. 5 is a perspective view showing an operation knob and a vertical fin.

FIG. 6 is a side view showing an operation knob.

FIG. 7 is a plan view showing an operation knob.

FIG. 8 is a plan view showing a vertical fin.

FIG. 9 is a side view showing a vertical fin.

FIG. 10 is a front view showing a vertical fin.

FIG. 11 is a front view showing an instrument panel.

FIG. 12 is a perspective view showing a ventilator grill.

FIG. 13 is a cross-sectional view taken along line AA of FIG. 12 with the vertical fins opened.

FIG. 14 is a cross-sectional view taken along line AA of FIG. 12 in a state where vertical fins are closed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ventilator grill 2 Ventilator case 3 Louver main body 4 Horizontal fin 5 Vertical fin 7 Operation knob 9 Engagement groove 10 Shaft 11 Arm 18 Tip part 19 Corner part

──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A 3-124151 (JP, U) JP-A 2-28038 (JP, U) JP-A 2-99013 (JP, U) (58) Survey Field (Int.Cl. ⁷ , DB name) B60H 1/34

Claims (1)

(57) [Claims] 1. A ventilator case, a plurality of horizontal fins, a louver body rotatably provided with respect to the ventilator case, and a louver main body provided at a rear side of the horizontal fins. A plurality of vertical fins rotating about an axis orthogonal to the axis of the fins, one of the vertical fins being provided on the horizontal fin so as to be slidable along the axial direction of the horizontal fin, A ventilator grill comprising an operation knob for rotating a plurality of vertical fins by engaging with a vertical fin is provided on one of the vertical fins with an arm extending toward the horizontal fin. A shaft is provided, and an engaging groove for engaging with the shaft is formed at the tip of the operation knob, and a point contact is made at the tip corner of the operation knob with the surface of the adjacent vertical fin in the process of closing the vertical fin. Then vertical A ventilator grill, wherein a cam portion is formed which presses the vertical fin in a closing direction, and makes a line contact with the surface of an adjacent vertical fin when the vertical fin is closed to hold the vertical fin in a closed state.