JPH09254643A - Automotive ventilator construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance appearance and to enhance air-direction performance by preventing a lightening step formed on the upper side of a flange at the edge of an opening in a finisher from being seen from outside. SOLUTION: A packing part 22 provided at the edge of an opening 2 in a ventilator case 1 fits around a lightening step 14 formed on the inner surface of a portion where the tongue 12 of a flange part 7 formed at an opening 6 in a finisher 4 is formed, and becomes flush with the inner surface of the flange part 7 to enhance appearance and to enhance blowing-direction performance without causing turbulence in the blow out air.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle ventilator structure provided on an instrument panel of an automobile.

[0002]

2. Description of the Related Art FIGS. 5 to 7 show a conventional ventilator structure arranged in a center portion of an instrument panel of an automobile. Reference numeral 1 is a ventilator case made of a resin material, and an opening 2 has an inner side. A plurality of vertical louvers 3 made of a resin material are directly supported as louvers.

A finisher 4 made of a resin material is attached to the peripheral portion of the opening 2 of the ventilator case 1, and a stay 5 for substantially dividing the opening 2 into left and right is integrally formed in the central portion thereof. .

A flange portion 7 is integrally formed on the peripheral edges of the left and right openings 6, 6 of the finisher 4 toward the back side, that is, toward the vehicle front side in this embodiment.

The upper side portion 7a of the flange portion 7 is formed so as to be inclined downward so that blown air can be directed upward.

Further, step portions 8 are formed on the left and right side portions 7c, 7c of the respective flange portions 7 of the left and right openings 6, 6 of the finisher 4, and the step portions 8 are made of a resin material. A plate-shaped spacer 9 is fitted from the front end side, and a plurality of horizontal louvers 10 made of a resin material are fitted to the spacer 9 as louvers.
Is supported.

The upper and lower side portions 7a and 7b of the flange portion 7 have a plurality of vertical ribs 11 integrally formed on the outer peripheral surface thereof for reinforcement.

The upper and lower sides 7a, 7 of the flange 7 are also
At the end of b, a plurality of tongue pieces 12 and 13 are integrally formed by projecting forward with a dimension corresponding to the thickness of the peripheral portion of the opening 2 of the ventilator case 1 offset to the outer surface side.

The tongue 12 is formed so as to be inclined downward at an angle gentler than the inclination angle of the upper side portion 7a of the flange portion 7, and the tongue 13 is also inclined downward at the same angle as the tongue 12. The finisher 4 is formed so as to be inclined, and the finisher 4 is assembled to the peripheral portion of the opening 2 of the ventilator case 1 from diagonally above.

Since the upper side portion 7a of the flange portion 7 and the tongue pieces 12 and 13 are formed obliquely downward with respect to the axial die-cutting direction of the finisher 4 as described above, the upper side portion 7a and the tongue portion are formed. The parts of the pieces 12 and 13 are formed by a slide core not shown in the figure. Especially, on the upper side 7a side, since the upper side 7a and the tongue 12 are formed at different inclination angles, the upper side 7a and the tongue 12 are formed. Since and are molded by separate slide cores, a lightening step portion 14 is unavoidably formed on the inner surface side of the upper side portion 7a at the molding portion of the tongue piece 12.

While the hook holes 15 are formed in the tongues 12 and 13 as engaging means, the hook holes 15 of the tongues 12 and 13 are formed on the outer peripheral surface of the opening 2 of the ventilator case 1. A hook portion 16 to be engaged is provided so as to project.

A locating edge 17 which surrounds the left and right side portions of the hook portion 16 and the front side thereof and also serves as an insertion guide for the tongues 12 and 13 is integrally formed.

In the finisher 4 described above, the end surface (front end surface) of the flange portion 7 is brought into abutment with the end surface (rear end surface) of the opening 2 of the ventilator case 1, and the tongue pieces 12, 1 are provided.
The hook hole 15 of No. 3 is fixed by the elasticity of these tongues 12 and 13 to the hook portion 16 on the outer peripheral surface of the opening 2, and is fixed to the ventilator case 1. The spacer 9 of the lateral louver 10 is prevented from coming off and fixed by abutting the surface and the rear end surface of the opening 2.

This similar holding structure is used, for example, in June 1995.
Published by Nissan Motor Co., Ltd. New model manuals It is shown in the introduction of Y33 type cars.

[0015]

As described above, the tongue piece 1 is formed on the inner peripheral surface of the upper side portion 7a of the flange portion 7 of the finisher 4.
A lightening step portion 14 is formed in the molded portion of FIG. 2, and moreover, the finisher 4 is inclined toward the front of the vehicle in accordance with the modeling shape of the instrument panel (not shown), and the upper side portion 7 is formed.
Since a has a flange width smaller than that of the lower side portion 7b and the lightening step 14 is close to the upper edge of the opening 6 of the finisher 4, the lightening step 14 can be seen from the gap of the horizontal louver 3. The appearance and quality.

Further, since the lightening stepped portion 14 is present close to the upper edge of the opening 6 of the finisher 4 as described above, a turbulent flow occurs in the blown air at the lightening stepped portion 14. , The directionality of blown air becomes uncertain.

Therefore, according to the present invention, the lightening step of the inner peripheral surface of the flange portion of the finisher opening is not visible from the outside, and the appearance and quality can be improved, and the air blown by the lightening step is disturbed. (EN) Provided is a ventilator structure for an automobile capable of avoiding flow generation and improving performance in a blowing direction.

[0018]

According to a first aspect of the present invention, a flange portion is integrally formed on the peripheral edge of the opening of the finisher toward the back side, and a louver is attached to the inside of the flange portion. End face of the opening portion of the ventilator case is abutted, and a plurality of tongue pieces formed by integrally projecting by offsetting to the outer surface side leaving a lightening step portion on the inner surface side at the end of the flange portion are formed on the ventilator case. In a structure in which the finisher is fixed to the ventilator case by being attached to the outer peripheral surface of the opening, the meat formed on the tongue piece forming portion of the flange portion of the finisher at the peripheral edge portion of the opening of the ventilator case. It is characterized in that a filling portion is provided which is fitted to the extraction step portion and is flush with the inner peripheral surface of the flange portion.

According to a second aspect of the present invention, a step portion is formed on the inner peripheral surface of the opening of the ventilator case according to the first aspect, and a spacer which axially supports the inner louver is fitted to the step portion, and these openings are formed. The end face of the flange portion of the finisher is butted against the end face of the spacer and the end face of the spacer to prevent the spacer from slipping off and to be fitted into the lightening stepped portion formed in the tongue piece forming portion of the flange portion. It is characterized in that the filling portion is constituted by a tongue piece that extends and overlaps with the edge of the opening of the ventilator case and the edge of the spacer.

[0020]

According to the first aspect of the present invention, the filling portion provided at the peripheral portion of the opening of the ventilator case is fitted to the lightening step portion formed in the tongue piece forming portion of the inner peripheral surface of the flange portion of the finisher. Since it is flush with the inner peripheral surface of the flange portion, the lightening step portion cannot be seen from the outside of the finisher opening portion, and the appearance and the feeling of quality can be further improved.

Further, since the filling portion is fitted into the lightening stepped portion and is flush with the inner peripheral surface of the flange portion,
The turbulent flow does not occur in the blown air, and the performance of the ventilator in the blowout direction can be improved.

According to the second aspect, in addition to the effect of the first aspect, the inner louver mounted in the opening of the ventilator case has the spacer fitted to the step portion of the inner peripheral surface of the opening, and the spacer Can be fixedly attached by the flange portion of the finisher so as to be attached, so that the workability of attaching the inner louver can be improved.

Further, since the filling portion is formed by superposing the tongue piece extending on the edge of the opening of the ventilator case and the tongue extending on the edge of the spacer, the thickness of the filling portion is adjusted. Can be easily performed, and the surface matching with the inner peripheral surface of the flange portion can be enhanced.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, one embodiment of the present invention will be described in detail by taking the ventilator structure arranged in the center portion of an instrument panel as an example and assigning the same reference numerals to the same portions as those of the conventional configuration. I will describe.

1 to 4, a plurality of vertical louvers 3 made of a resin material are mounted as inner louvers in an opening 2 of a ventilator case 1 made of a resin material.

In this embodiment, the aforementioned vertical louver 3 is formed into a strip plate-shaped spacer 1 made of a pair of upper and lower resin materials.
It is pivotally supported on 8 and 19.

Steps 20 are formed on the upper and lower inner peripheral surfaces of the opening 2 from the opening edge side with the widths of the spacers 18 and 19, respectively, and the spacers 18 and 19 are fitted into these steps 20. Aligned flush.

The stay 5 of the finisher 4 made of resin material
A flange 7 is integrally formed at the peripheral edges of the left and right openings 6 and 6 divided by, and the upper side 7
The a is formed so as to be inclined obliquely downward so that blown air can be directed upward.

A step portion 8 is formed on the left and right side portions 7c, 7c of each flange portion 7 of the openings 6, 6 from the front end with the width dimension of a spacer 9 described later, and the step portion 8 is made of a resin material. A strip plate-shaped spacer 9 made of is formed by fitting a plurality of lateral louvers 10 made of a resin material as louvers to the spacer 9.

The upper and lower side portions 7a and 7b of the flange portion 7 are integrally reinforced with a plurality of vertical ribs 11 on the outer peripheral surface thereof, and the ventilator case 1 is attached to the ends of the upper and lower side portions 7a and 7b. A plurality of tongue pieces 12 and 13 are formed integrally with each other by offsetting to the outer surface side with a dimension corresponding to the plate thickness of the peripheral portion of the opening 2 of FIG.

The tongue piece 12 is inclined and formed obliquely downward at an angle gentler than the inclination angle of the upper side portion 7a.
A lightening stepped portion 14 is formed on the inner surface side of the portion where the tongue piece 12 of "a" is formed by the above-mentioned slide core in a molding relationship.

The tongue piece 13 is formed to incline obliquely downward at the same angle as the tongue piece 12, and the finisher 4 is assembled to the peripheral edge of the opening 2 of the ventilator case 1 from obliquely above, and the front end surface of the flange portion 7 is attached. The hook holes 15, 15 formed in the tongues 12, 13 with the rear end face of the opening 2 abutted.
Is fixed to the hook portion 16 projecting from the outer peripheral surface of the opening 2 of the ventilator case 1, and these flange portions 7
By abutting the front end face of the vertical louver with the rear end face of the opening 2, the spacers 18 and 19 of the vertical louver 3 and the horizontal louver 10 are formed.
The spacer 9 is fixed so as not to come off.

Around the hook portion 16 on the lower wall side of the opening 2 of the ventilator case 1, there is a locate edge 17 which surrounds the left and right side portions and the front side of the hook portion 16 and which also serves as an insertion guide for the tongue piece 13. On the other hand, the tongue piece 12 is formed by integrally molding (see FIG. 7) the hook wall 16 on the upper wall side of the opening 2.
Is formed as a stepped portion 21 having a size lower than that of the tongue 12 so that the tongue piece 12 can be guided and positioned.

At the peripheral portion of the opening 2 on the upper wall side, the upper side portion 7a of the flange portion 7 of the finisher 4 is formed.
Stepped portion 14 formed in the portion where the tongue piece 12 of the
And a filling portion 22 that is flush with the inner surface of the upper side portion 7a.

As described above, the step 20 is formed on the inner surface of the opening 2 on the upper wall side, and the vertical louver 3 is formed in the step 20.
Since the spacers 18 of No. 1 are fitted and arranged, in the present embodiment, the edge of the opening 2 on the upper wall side and the spacer 1
The tongue pieces 23 and 24 which overlap with the end edge of 8 extend vertically upward, respectively, and the tongue pieces 23 and 24 form the filling portion 22.

As described above, according to the structure of this embodiment, the lightening step portion 14 is formed on the inner surface of the upper side portion 7a of the flange portion 7 of the finisher 4 in the portion where the tongue piece 12 is formed for the reason of molding. It is formed, but this lightening step 1
The filling portion 22 provided on the peripheral portion of the opening portion 2 of the ventilator case 1 on the upper wall side is fitted to 4 and is flush with the inner surface of the upper side portion 7a. 14 is not visible from outside the opening 6 of the finisher 4 through the space between the lateral louvers 10, so that the appearance and the feeling of quality can be further improved.

Further, since the filling portion 22 is fitted into the lightening stepped portion 14 and is flush with the inner surface of the upper side portion 7a in this manner, blown air is generated at the portion where the lightening stepped portion 14 is formed. No turbulent flow is generated, and air can be blown out as rectification along the inner surface of the upper side portion 7a, and the performance in the blowout direction of the ventilator can be improved.

In particular, in this embodiment, the tongue piece 23 in which the above-described filling portion 22 is extended to the edge of the opening 2 of the ventilator case 1 on the upper wall side, and the inner surface of the opening 2 on the upper wall side are provided. Since the tongue piece 24 is extended to the end edge of the spacer 18 for the vertical louver 3 fitted and arranged in the step portion 20 of the tongue piece 23 and overlapped with the tongue piece 23, the plates of these tongue pieces 23, 24 are Since the thickness of the filling portion 22 can be easily adjusted by adjusting the thickness, the surface conformity with the inner surface of the upper side portion 7a of the flange portion 7 can be enhanced.

Moreover, the vertical louver 3 arranged in the opening 2 of the ventilator case 1 is attached to the upper and lower spacers 1.
The vertical louvers 3 can be mounted by fitting 8 and 19 into the stepped portions 20 and 20 on the inner surfaces of the upper and lower walls of the opening 2 and fixing and attaching the finisher 4 at the end surface of the flange portion 7 of the finisher 4. Workability can also be improved.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention, taken along line AA of FIG. 3;

FIG. 2 is a sectional view taken along the line BB of FIG. 3;

FIG. 3 is a perspective view of the same embodiment as seen from below.

FIG. 4 is an exploded perspective view of the same embodiment.

FIG. 5 is a perspective view of a conventional structure as viewed from below.

FIG. 6 is a sectional view of the conventional structure.

FIG. 7 is an exploded perspective view of the conventional concept.

[Explanation of symbols]

 1 Ventilator case 2 Ventilator case opening 3 Inner louver 4 Finisher 6 Finisher opening 7 Flange portion 10 Louver 12, 13 Tongue piece 14 Lightening step portion 18, 19 Inner louver spacer 20 Step portion 22 Filling portion 23, 24 Tongue that constitutes the filling part

Claims (2)

[Claims] 1. A flange portion is integrally formed on the periphery of the opening portion of the finisher toward the back side, a louver is mounted inside the flange portion, and the end surface of the flange portion is abutted against the end surface of the opening portion of the ventilator case. At the same time, a plurality of tongue pieces formed by integrally protruding and protruding to the outer surface side while leaving the lightening step portion on the inner surface side at the end of the flange portion are attached to the outer peripheral surface of the opening portion of the ventilator case, and In a structure in which a finisher is fixed to a ventilator case, a flange portion is fitted to a peripheral edge portion of an opening of the ventilator case to a lightening step portion formed in a tongue piece forming portion of a flange portion of the finisher, and a flange portion. A ventilator structure for an automobile, characterized in that a filling portion that is flush with the inner peripheral surface of the vehicle is provided. 2. A step portion is formed on an inner peripheral surface of an opening of a ventilator case, a spacer having an inner louver axially supported therein is fitted to the step portion, and the finisher extends between the end surface of the opening and the end surface of the spacer. The end face of the opening of the ventilator case is fitted with a filling part that is fitted to the lightening step part formed in the tongue forming part of the flange part while abutting the end faces of the flange part to prevent the spacer from coming off. The ventilator structure for an automobile according to claim 1, characterized in that the ventilator structure comprises a tongue piece that extends and overlaps with an end edge of the spacer.