JP3191508B2 - Air outlet device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air outlet as an air outlet for a ventilator of an air conditioner.

[0002]

2. Description of the Related Art As an outlet device of this type, there is a ventilator outlet unit 100 shown in FIG.

The ventilator outlet unit 100 is provided with a front window panel 20 on the vehicle interior side of the vehicle.
It is attached to the ventilator opening 101a of the instrument panel 101 that covers the lower part of the instrument 0 (Service Bulletin No. 599, "Introduction of S13 Series Cars", page D-44, published by Nissan Motor Co., Ltd., May 1988). ).

At this time, the ventilator outlet unit 1
As shown in FIG. 7, the outer grille portion 100a of 00 is formed in a deformed rectangular shape such that one has a wide width D and the other has a narrow width d because of the design necessity. A plurality of horizontal louvers a are formed integrally with the outer shell, and a plurality of vertical louvers b are rotatably mounted at the rear. The plurality of vertical louvers b are rotatably supported at their lower ends on the inner wall of the outer shell, and are connected and attached to each other by a connecting rod g connected to the knob c.
The direction of the knob c can be arbitrarily set by rotating the knob c. At this time, the upper inner wall supporting the upper end of the vertical louver b has a stepped horizontal stepped portion 100b, 100c, 1 along the outer peripheral shape as shown in FIGS.
The vertical louver b is supported so that it can rotate without interfering with the upper inner wall. In FIG. 8, reference numeral e denotes a support hole of the vertical louver b.

[0005]

However, such steps 100b, 100c, 100d and 100e
The outlet grill portion 100a having the drawback has a problem that when blowing out the wind, an abnormal sound such as a whistling sound is easily generated depending on the strength of the wind. Such a defect is caused by the grill 10
The upper inner wall of the upper portion 0a can be eliminated by eliminating the step portion by designing it horizontally in accordance with the height of the narrow portion. However, such a design reduces the blowing area of the grill portion 100a and reduces the width of the wide portion. There is a new problem that a thick portion is exposed on the side and a sink mark is formed when the grill portion 100a is formed, thereby increasing the defective product occurrence rate.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide an irregular shaped air outlet having a wide and narrow width, which does not generate an unusual sound when blowing out the wind and is easy to form. An object of the present invention is to provide an outlet device having a grill portion.

[0007]

According to the present invention, in order to achieve the above-mentioned object, an outer shell of an outlet grille rotatably supporting a plurality of louvers is formed to have an irregular width and width. An outlet device in which an inner wall supporting the louver of the grill portion has a step-shaped step portion along the peripheral shape of the outer shell, wherein the step portion forming portion of the outlet grill portion is provided. A flange portion having a height covering the stepped portion and substantially along the circumferential shape of the outer shell is provided on the front surface of the outer peripheral portion.

[0008]

According to the present invention, the step portion ensures that the louver rotates smoothly without interference with the inner wall, and that an excessively thick portion appears on the wide side. Disappears.

Also, the flange portion has a sufficient impact resistance of the inner wall having the stepped portion, and has a height covering the stepped portion and is formed substantially along the circumferential shape of the outer shell of the grill portion. The blowing area can be secured, and the generation of abnormal noise at the time of blowing the wind is also eliminated.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be specifically described based on illustrated embodiments. Example is an outlet device of the present invention,
A ventilator outlet unit, which is an in-vehicle accessory of an automobile, will be described.

As shown in FIG. 1, a ventilator outlet unit 1 includes an instrument panel 10 that covers a lower portion of a front window panel 200 in the front passenger compartment of an automobile.
Is attached to a finisher 12 which is assembled to the auxiliary device opening 11.

That is, as shown in FIG. 2, openings 12a and 12b are formed in the finisher 12, and the ventilator outlet unit 1 faces the opening grille 2 so that the outlet grill unit 2 faces the opening 12a. Mounted on Then, as shown in FIG. 1, the finisher 12 is opened from its opening 12b through an auxiliary device part, for example, the opening 11 for auxiliary device.
Operation section 1 of heater control panel 13 fixed to
3a is exposed to the interior of the vehicle and the instrument panel 1 is exposed.
0 is attached.

At this time, two ventilator outlet units 1 are attached to the finisher 12 in parallel, and each ventilator outlet unit 1 is a substantially rectangular cylindrical air inlet pipe 3.
And the outlet grille 2 attached to the opening at the end of the air introduction pipe 3. As shown in FIG. 3, the air introduction pipe 3 has a flexible engagement piece 3
a provided in the opening 12a of the finisher 12
The outlet grille 2 is supported by support pins 4 on both sides thereof and is rotatably mounted around the support pins 4 in the opening at the tip end of the air introduction pipe 3.

As shown in FIG. 4, the outlet grille 2 is formed in a deformed rectangular shape such that one of the outer shells has a wide width D and the other has a narrow width d because of the design necessity. A plurality of horizontal louvers a are formed integrally with the outer shell, and a plurality of vertical louvers b are rotatably mounted at the rear. The plurality of vertical louvers b have upper and lower ends rotatably supported by upper and lower inner walls of the outer shell, and a knob c.
Are connected to each other by a connecting rod g connected to the knob c, and the direction of the knob c can be arbitrarily set by rotating the knob c. At this time, the upper inner wall supporting the upper end of the vertical louver b has a stepped horizontal stepped portion 2a, 2b, 2 along the outer peripheral shape as shown in FIGS.
c, and 2d, and each vertical louver b
The upper end is supported by each of the steps 2a, 2b, 2c and 2d so as to be rotatable without interfering with the upper inner wall. In the blowout grill portion 2, a lower inner wall 2f is formed in a horizontal plane. In FIG. 5, reference symbol e denotes a support hole of the vertical louver b.

The steps 2a, 2 of the outlet grill 2
At the front of the upper inner wall of the formation site of b, 2c and 2d,
As shown in FIGS. 3, 4, and 5, the steps 2a, 2b,
A flange portion 5 having a height that covers 2c and 2d and formed substantially along the outer peripheral shape of the grill portion 2 is provided integrally.

The outlet grill portion 2 thus formed
Is formed by horizontal steps 2a, 2b, 2c, and 2d, although the outer shell is formed in a rectangular shape having a wide width D on one side and a narrow width d on the other side. Since the upper end support surface of the blade b does not have a slope, the vertical louver b does not interfere with the upper inner wall as in the conventional outlet grill portion 100a, so that smooth rotation can be ensured.
Further, the outlet grill portion 2 does not have an excessively thick portion on the wide width D side due to the formation of the step portions 2a, 2b, 2c and 2d, and similarly to the conventional outlet grill portion 100a, The occurrence of sink marks can be prevented, and the incidence of defective products can be reduced.

In addition, the outlet grille 2 has a flange 5
Steps 2a, 2b, where stress is concentrated at the time of impact due to the formation of
The formation portions of the corner portions 2c and 2d are reinforced, and the impact resistance can be improved.

Further, the outlet grill portion 2 includes a flange portion 5
Has a height that covers the steps 2a, 2b, 2c, and 2d and is formed smoothly along substantially the outer peripheral shape of the grill portion 2, so that a sufficient blowing area as in the related art can be ensured. And the generation of unusual noise such as a whistling sound at the time of blowing of the wind is eliminated, so that a more favorable interior environment can be created.

In this embodiment, the steps 2a, 2b, 2c and the flange 5 are provided only on the upper inner wall of the outlet grill portion 2. However, the present invention is not limited to the above-described embodiment, and the outlet is not limited thereto. Depending on the outer shape of the grill portion 2, it is possible to provide a step portion and a flange portion on both upper and lower inner walls or only on the lower inner wall in the same manner as described above, whereby the same effect as described above is exerted. be able to.

Further, the present invention can be sufficiently applied not only to a ventilator outlet unit as an in-vehicle equipment but also to an outlet device of a general air conditioner.

[0021]

As described above in detail, according to the present invention, there is provided an outlet grill portion having a wide and narrow width and an irregular shape, and a step supporting the louver of the outlet grill portion. In the front portion of the portion forming portion, a flange portion having a height covering the step portion and substantially along the peripheral shape of the outer shell of the grill is provided, so that good rotation of the louver and good formability which does not cause sink marks are provided. In addition to the effect that the step can be secured, the portion where the step portion where the stress is concentrated at the time of impact is reinforced by the flange portion, the impact strength can be improved, and the difference in whistling sound caused by the step portion can be improved. There is an effect that sound generation can also be eliminated at the flange portion.

[Brief description of the drawings]

FIG. 1 is a perspective view of an instrument panel in a state where a finisher is mounted as one embodiment.

FIG. 2 is a perspective view of a finisher to which a ventilator outlet unit as one embodiment is assembled.

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a front view of an outlet grill portion of a ventilator outlet unit as one embodiment.

FIG. 5 is a partial perspective view of the outlet grille of FIG. 4;

FIG. 6 is a perspective view of an instrument panel with a conventional finisher attached.

FIG. 7 is a front view of an outlet grill portion of a conventional ventilator outlet unit.

FIG. 8 is a partial perspective view of the outlet grille of FIG. 7;

[Explanation of symbols]

 Reference Signs List 1 ventilator outlet unit 2 outlet grill portion 5 flange portion 2a, 2b, 2c, 2d stepped portion a horizontal louver b vertical louver (louver)

Claims (1)

(57) [Claims] An outer shell of an outlet grill portion rotatably supporting a plurality of louvers is formed to have a wide and narrow width and has an irregular shape, and an inner wall supporting the louver of the grill portion is formed of the outer shell. An outlet device formed with a step-shaped step portion along a circumferential shape, wherein a front portion of the step portion forming portion of the outlet grill portion has
An outlet device, wherein a flange portion having a height covering the step portion and substantially along a peripheral shape of the outer shell is provided.