JP3786158B2 - Air duct structure for vehicles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
Some air conditioners mounted on vehicles have a structure for introducing outside air from the front of the vehicle. The present invention relates to an air duct structure for a vehicle that prevents the intrusion of moisture in the outside air in such a structure.
[0002]
[Prior art]
As shown in FIG. 9, an outside air introduction system for ventilating and air-conditioning the interior of the automobile is provided with an air intake port 3 in a cowl upper 2 provided at a lower portion of a cowl top (not shown) of the vehicle front portion 1. And the periphery is surrounded by a sealing panel 4. Outside air is sucked from the slit of the cowl top and is circulated to the intake 3 at the end. In addition, a car with a short vehicle front portion does not have a cowl portion, and a space at the time of mounting a headlamp portion or a front panel portion such as the back of a bumper is usually used as an outside air introduction path. In the semi-cab over type vehicle shown in FIG. 10, an air duct 6 and an air intake box 7 are provided at the lower part of the front panel 5 to form an outside air introduction path. Some large vehicles take in air from the front of the vehicle through ducts (see Japanese Utility Model Publication No. 62-11016).
[0003]
[Problems to be solved by the invention]
However, although the air duct structure shown in FIG. 9 has the sealing panel 4 at the intake port 3, when outside air is sucked from the slit of the cowl top during rainy weather, the outside air from the slit near the intake port 3 It is ineffective and it will be inhaled before moisture is removed sufficiently. In addition, when outside air is sucked from the front panel, the distance to the room is small, so the degree of freedom in layout is low, and when it is raining, it is sucked into the air conditioner before moisture is removed sufficiently. Become.
By the way, in the semi-cab over type vehicle or large vehicle shown in FIG. 10, air is taken in from the front of the vehicle by a duct or the like, so that the introduction path is long and moisture can be sufficiently removed. However, in this configuration, the number of parts increases, so that it takes time to assemble, resulting in problems of increase in weight and cost, and a large installation space, which is not suitable for a small vehicle.
[0004]
An object of the present invention is to provide a vehicle air duct structure in which an outside air introduction passage that can easily remove moisture in the sucked outside air can be easily manufactured with a small number of parts.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, an upper end of an outer panel of a fender is connected to an upper end of a dash side panel arranged in parallel with the outer panel at a distance from each other. and lower ends of said dash side panels connected via a wheel house, the inside of the outer panel to form the outer side of the dash side panel, a cylindrical portion between the upper of the wheel house, tubular In a vehicular air duct structure in which a headlamp is attached to the front portion of the shape portion and outside air is introduced into the air conditioner through a gap between the headlamps, a portion of the dash side panel above the headlamp projects to the inside of the vehicle body So that the air-conditioning outside air inlet is formed in the recessed portion so as to cover the air-conditioning outside air inlet. A flange-like reinforcement projecting to the outer panel side is attached to the outside of the dash side panel, an opening recess is provided on the lower surface of the reinforcement, and the outside air taken into the tubular part from the gap of the headlamp is The air-conditioning outside air inlet is located above the opening recess after being diffused throughout the cylindrical portion and the flow thereof being decelerated and then flowing from the opening recess into the interior of the reinforcement. It is taken in by the said air conditioner arrange | positioned through the vehicle body inner side rear surface of the said dash side panel .
[0006]
According to a second aspect of the invention, in the first aspect of the invention, the outside air inlet of the air inlet box for air conditioning that is inserted between the vehicle body inner surface of the air conditioning outside air inlet of the dash side panel and the air conditioner mounting surface. The side connection surface is formed in a taper shape in the insertion direction, and the vehicle body inner surface of the air-conditioning outside air inlet is formed in a taper shape along the connection surface .
[0007]
The outside air introduction system is set in the longitudinal direction of the vehicle body above the wheel house on the side of the vehicle, the outside air introduction port is opened in the dash side panel, and a saddle-shaped lean reinforcement opened downward is attached to the outside air introduction port. Further, a headlamp (or a radiator or the like) is attached to the front portion of the tubular portion as a vehicle body front portion mounting member, and outside air is taken in through this gap. As a result, the outside air moves through the wide space and the moisture is diffused, and the moisture in the outside air is removed by contacting the reinforcement.
Therefore, it is good also as a structure which attached several fins to the space part inner wall, and was made to set the fin to the angle which opposes the flow of external air.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
The outside air introduction path of the air conditioner mounted on the vehicle uses a fender portion on the side of the vehicle, and the outside air inlet is not particularly specified, but here, the headlamp gap is used.
As shown in FIG. 1, a dash side panel 9 is attached to the inside of the outer panel 8 of the fender at an interval, and the upper end of the outer panel 8 is coupled to the upper end of the dash side panel 9. The lower ends are connected via a wheel house 10 and are formed in a substantially cylindrical shape that opens forward and backward. In addition, a headlamp 11 is attached to the front opening of the cylindrical portion so as to use a gap on the attachment. Note that the rear opening of the cylindrical portion may be closed.
[0009]
As shown in FIGS. 1 and 2, the dash side panel 9 is provided with an outside air inlet 12 for air conditioning, and a saddle-like reinforcement 13 that opens downward is attached to the outside air inlet 12. As shown in FIG. 3, the lean reinforcement 13 includes a portion 13a (shaded portion) joined to the dash side panel 9, and is formed with a side opening recess 13b and a lower opening recess 13c.
[0010]
As shown in FIGS. 4 and 5, an air inlet box 15, a heater duct 16 and a heater unit 17 are connected to the inside of the vehicle body defined by the dash side panel 9 and the dash panel 14. Further, the connection surface 9a inside the vehicle body of the outside air inlet 12 of the dash side panel 9 is formed in a tapered shape. The distance between the connection surface 9a and the side surface on the opposite shore is formed narrower toward the front of the vehicle, and the air inlet box 15 is inserted from the rear side of the vehicle body. In the structure in which the air inlet box 15 is inserted from above or below, the inclination direction of the tapered surface (connection surface 9a) is adjusted to the insertion direction.
Further, the connection surface 15a of the air inlet box 15 to the dash side panel 9 is formed in a tapered shape, like the connection surface 9a of the dash side panel 9, so that it can be easily inserted and improved in sealing.
[0011]
As shown in FIGS. 6 to 8, the air inlet box 15 is provided with a seal packing on the connection surface 15a to the dash side panel 9, and the air inlet box 15 has “outside air” and “inside air” in the air flow path. The switching door 18 is provided, and an intake port 19 for inside air is formed.
[0012]
In the vehicle configured as described above, the wind at the time of traveling is strong in the vicinity of the fender portion and the headlamp 11, so that the wind easily enters the cylindrical portion from the nearby gap, and the outside air inlet 12 is provided in the dash side panel 9. Since it is arranged, the outside air can be easily introduced by opening the outside air introduction passage.
In addition, since the internal space of the cylindrical part is large, it is easy to remove moisture even if wind containing rainwater flows in rainy weather, and by using the reinforcement 13 as a moisture separation panel, the fender can be installed from the top of the vehicle. Even if rainwater that has flowed into the section enters through the gap, it can be prevented from entering the room through the outside air inlet 12.
[0013]
Further, structurally, the vehicle body inner surface of the outside air inlet 12 of the dash side panel 9 is formed in a taper shape and the connection surface 15a of the air inlet box 15 is formed in a taper shape so that it can be easily attached when the vehicle is assembled. 、 Wide friction surface and improved sealing performance.
In addition, it is easy to take in outside air without adding other members such as an air duct and a cowl top, and it is effective for adapting to small cars.
[0014]
【The invention's effect】
As described above, the present invention uses the fender portion as a duct, and the outside air inlet for air conditioning is opened on the inner wall surface. In the invention of claim 1, the outer panel, the dash side panel, and the wheel of the existing fender are provided. Since the house is used as a part of the duct, the number of parts is not increased, and the removal of water in the outside air is improved by the sufficient volume of the outside air introduction system. In addition, the burden of bending the cylindrical members of each member can be reduced, and the construction cost for manufacturing the duct can be reduced.
In addition, by attaching a saddle-like reinforcement that opens only downward to the outside air inlet provided on the dash side panel, it becomes difficult for the moisture in the outside air to circulate to the outside air inlet, and the water in the outside air Removal is improved.
[0015]
Further, in the invention of claim 2, in the vehicle body inner side surface of the dash side panels forming the outside air introducing port, since the tapered connection surface between the body inner surface and the air inlet box in the fitting direction, in the vehicle body The air inlet box can be easily fitted between the side surface and the air conditioner mounting surface, so that the assembling property is improved and the sealing property of the outside air introduction system path is improved.
[Brief description of the drawings]
FIG. 1 is a development view of an air duct structure installed in a vehicle according to an embodiment of the present invention.
2 is a perspective view of a main part showing a state in which a reinforcement is installed on the dash side panel shown in FIG. 1. FIG.
3 is a rear perspective view of the reinforcement shown in FIGS. 1 and 2. FIG.
FIG. 4 is a plan view of an air duct structure installed in a vehicle according to an embodiment of the present invention.
5 is a layout view of the air duct structure of FIG. 4 as viewed from the passenger compartment side.
6 is a plan view of the air inlet box of FIG. 4. FIG.
7 is a front view of the air inlet box of FIG. 4. FIG.
FIG. 8 is a side view of the air inlet box of FIG. 4;
FIG. 9 is a schematic diagram illustrating a conventional air conditioning air introduction passage of a vehicle.
FIG. 10 is a schematic diagram illustrating a conventional air conditioning air introduction passage of a vehicle.
[Explanation of symbols]
8 Outer panel 9 Dash side panel
9a Connection surface
10 Wheelhouse
11 Car body front mounting member
12 Outside air inlet
13 Lean force
15 Air inlet box
15a Connection surface

Claims (2)

The upper end of the outer panel of the fender, while connecting the upper end of the dash side panels juxtaposed opened the outer panel and spacing, and connecting the lower ends of said dash side panels of the outer panel through the wheel house, A cylindrical part is formed between the inner side of the outer panel, the outer side of the dash side panel, and the upper side of the wheel house, and a headlamp is attached to the front part of the cylindrical part. In the vehicle air duct structure that takes in the outside air flowing into the air conditioner,
A portion above the headlamp of the dash side panel is recessed so as to protrude toward the inside of the vehicle body, and an outside air inlet for air conditioning is formed in the recessed portion so as to cover the outside air inlet for air conditioning. A flange-like reinforcement that protrudes toward the outer panel is attached to the outside of the dash side panel, an opening recess is provided on the lower surface of the reinforcement, and the outside air taken into the tubular portion from the gap between the headlamps is After the air flow is decelerated and diffused throughout the cylindrical portion, the outside air inlet for air conditioning located above the opening recess is further decelerated by flowing into the inside of the reinforcement from the opening recess. through it, a vehicle characterized in that it is incorporated in the air conditioning system is disposed inside the vehicle body rear face of the dash side panel air duct Elephants. Forming said outside air inlet side of the connection surface of the air conditioning air inlet box fitted between the vehicle body inner surface and the air conditioning device mounting surface of the air-conditioning air introduction port of the dash side panels, the tapering in the fitting direction In addition, the vehicle air duct structure according to claim 1 , wherein a vehicle body inner side surface of the air- conditioning outside air inlet is formed in a tapered shape along the connection surface.

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