JPH08119069A - Defroster device for vehicle - Google Patents

Abstract

PURPOSE: To provide a defroster device for vehicle capable of blowing out air toward the entire surface of a front window panel at a uniform air velocity while the number of parts is reduced and air resistance is lowered. CONSTITUTION: A hollow passage 2 to lead air 12 is formed with a front wall 3 and a rear wall 4, its lower end part 21 is connected to a blow-out port 7 of an air conditioner 6, and its upper end part 22 is formed so that the air 12 can be blown out along a window panel 10. Also the front wall 3 is tilted so that the air can be blown out along the windshield panel 10, and the rear wall 4 as well as the front wall 3 is formed so that air can be blown out toward the entire surface of the windshield panel 10 at a uniform air velocity while air resistance is lowered. Then an extended first shelf part 26 is formed at the rear RR of a vehicle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle defroster device.

[0002]

2. Description of the Related Art A conventional vehicle defroster device 100 is, for example, as shown in FIGS.
6), side defroster nozzles 109 are provided on both sides, and the duct 102 of the defroster device 100 is arranged over the entire width of the vehicle.
The air intake device 105 has an intake port 105
7 is connected, and air 112 is blown out toward the front window panel 101 from the first outlet 108 formed at the upper end of the duct 102 of the defroster device 100.
Reference numeral 126 is an instrument panel. Therefore, the defroster device 100 is used as a pressure chamber by controlling the flow velocity of the suction port 105 of the defroster device 100 or by increasing the ventilation resistance of the first outlet 108, and the air 112 is blown out by the pressure difference with the outside. Has been done.

[0003]

However, although the conventional defroster device 100 can blow out the air 112 evenly, the flow velocity is slow and the air 11 is distant.
There is a problem that 2 is difficult to reach. In addition, the duct 102 of the defroster device 100 and the instrument panel 1
Since 26 is a completely independent member, the number of parts is large and there is a possibility that it may cause a cost increase. Therefore, the present invention has been made in view of the above points, and an object of the present invention is to reduce the number of parts, and to blow out to the entire front wind panel at a uniform wind speed while reducing air resistance. An object is to provide a possible vehicle defroster device.

[0004]

In order to solve the above-mentioned problems, the invention of claim 1 forms a passage for guiding hollow air by a front wall and a rear wall, one end of which is a blower of an air conditioning main body. The front wall is tilted along the front wind panel, the rear wall is connected to the outlet, and the other end is formed so as to be able to blow out air along the front wind panel, and the rear wall and the front wall are air resistant. The first part formed so as to blow out over the entire front wind panel at a uniform wind speed while lowering
It is characterized in that a shelf is formed.

According to a second aspect of the present invention, there is provided the vehicle defroster device according to the first aspect, in which the louver is formed on the front wall so as to project toward the rear wall and to be close to the rear wall. It is characterized by being done.

A third aspect of the present invention is the vehicle defroster device according to the second aspect, wherein the rear wall is formed with a second shelf portion that covers an upper end portion of the front wall. It is characterized in that air can be blown out by an air outlet formed in the portion.

[0007]

According to the invention of claim 1 of the above-mentioned means, the air introduced from one end of the hollow passage formed by the front wall and the rear wall can be blown out along the front window panel from the other end. Since the air resistance can be reduced by the shape of the wall after that, air can be sent out to the entire front wind panel. Moreover, since the portion extending to the vehicle rear side is integrally formed by the first shelf portion, the number of parts can be reduced. According to the invention of claim 2, in addition to the function of the invention of claim 1, since the louver formed to extend in the front wall partitions the space from the rear wall,
The flow of air can be controlled. According to the invention of claim 3, in addition to the function of the invention of claim 2,
Since the portion that forms the passage and the portion that blows out the air are integrally formed by the outlets of the shelves, the number of parts can be reduced.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a vehicle defroster device 1 according to an embodiment of the present invention. FIG. 1 is a cross-sectional view of a vehicle defroster device 1. FIG. 2 is an exploded perspective view of FIG. In this embodiment, as the vehicle defroster device 1, a duct 2 as a "passage" is arranged over the entire width of the vehicle. The duct 2 is formed in a hollow shape by the front wall 3 and the rear wall 4, and the air outlet 7 of the air conditioner 6 is connected to the suction port 5 formed in the lower end portion 21 with the seal material 71 interposed therebetween, and the upper end portion thereof is connected. 22 and the first outlet 8 and the second outlet 9 formed on both sides 23 to the front wind panel 10
Also, the air 12 is blown out toward the indoor side surface of the side window panel 11. The front wall 3 is inclined to the front side FR as it rises upward from the lower end 31 of the front wall 3 and is inclined rearward RR along the front wind panel 10 as it rises upward from the middle part 32. The upper end portion 33 is formed with a flange 34.

The rear wall 4 is provided on the rear surface of the front wall 3.
The louver 13 is formed so as to project toward the rear wall 4 and the free end portion 131 approaches the rear wall 4. The louver 13 is composed of a first louver 132, a second louver 133, 133 and a third louver 134, 134 which are obtained by dividing the suction port 5 into four. The first louver 132
Are arranged substantially vertically in the center of the vehicle. The second louvers 133 and 133 rise slightly above the lower end portion 31 in a direction perpendicular to the upper side UP and spread to the left and right.
A first duct 24 communicating with the first outlet 8 having a defroster function is formed together with the second louver 13.
The second duct 25 communicating with the second outlet 9 having the side defroster function is formed together with 4,134. The third louvers 134, 134 rise slightly above the lower end portion 31 in a direction perpendicular to the upper part UP and spread to the left and right,
The second duct 25 that communicates with the louvers 133 and 133 and the second outlet 9 having a side defroster function is formed.

The rear wall 4 tilts to the front side FR as it rises upward from the lower end portion 41 of the rear wall 4 and the middle portion 42.
It is formed in a shape that is inclined rearward RR along the front wind panel 10 as it rises further upward. And the upper end part 43 in which the 1st, 2nd blower outlets 8 and 9 were formed is formed on it. A rib 44 is formed on the rear RR side of the upper end portion 43 so as to project, and a rib 34 is disposed on the flange 34 of the upper end portion 33 of the front wall 3 on the front FR side of the upper end portion 43 with a sealing material 45 interposed therebetween. By extending downward DW along the front wind panel 10, the eaves 46 covers the duct 2 so that it cannot be seen from the outside of the vehicle. The lower end portion 41 and the intermediate portion 42 of the rear wall 4
Is formed so that the air resistance is lowered together with the front wall 3 and the air is blown out to the entire front wind panel 10 at a uniform wind speed. On the vehicle rear RR side of the lower end portion 41 of the rear wall 4, a first shelf portion 26 extending toward the vehicle rear RR side is formed. The instrument 2 is provided on the first shelf 26.
7 and the glove box 28 function as a so-called instrument panel. Reference numeral 14 is a front pillar.

Whether or not grills are provided at the first and second outlets 8 and 9 is optional. Therefore, according to this embodiment, the hollow duct 2 having the front wall 3 and the rear wall 4 is formed.
Since the air 12 introduced from the lower end portion 21 can be blown out from the upper end portion 22 and the both sides 23 along the front window panel 10 and the side window panel 11, the air resistance can be reduced by the shape of the rear wall 4. The air 12 can be sent to the entire front wind panel 10 and side wind panel 11. Moreover, since the portion extending to the vehicle rear RR is integrally formed by the first shelf portion 26, the number of parts can be reduced. Louver 13 extending from the front wall 3
The partition between the rear wall 4 and the rear wall 4 can be controlled, so that the flow of the air 12 can be controlled.

FIG. 3 is an explanatory view showing another embodiment of the present invention. The main difference from the above embodiment is the structure of the rear wall. That is, the rear wall 4 is formed with an upper end portion 43 as a second shelf portion that covers the upper end portion 33 of the front wall 3 and the upper end portion 43.
The air 12 can be blown out by the first blowout port 8 formed in the above, and the instrument panel 29 is arranged on the rib 44 of the upper end portion 43. Therefore, according to this embodiment, the first outlet 8 of the upper end portion 43 as the second shelf of the rear wall 4 forms the portion forming the duct 2 and the first outlet 8 as the portion for blowing air. Since it is integrally formed, the number of parts can be reduced.

[0013]

As is apparent from the above, according to the invention of claim 1, the front wall and the rear wall form a passage for guiding hollow air, and one end of the passage is connected to the air outlet of the air conditioning main body. In addition, the other end portion is formed so as to be able to blow out air along the front window panel, the front wall is inclined so as to follow the front window panel, and the rear wall is uniform while lowering the air resistance together with the front wall. Since the first shelves are formed so as to be blown out to the entire front wind panel at the wind speed of, and the first shelf portion extending to the vehicle rear side is formed, the hollow passage formed by the front wall and the rear wall is formed. The air introduced from one end of the front can be blown out from the other end along the front wind panel, and since the air resistance can be reduced by the shape of the rear wall, the front wind can be reduced. It is possible to feed the air to the entire Ndopaneru. Moreover, since the portion extending to the vehicle rear side is integrally formed by the first shelf portion, the number of parts can be reduced.

According to a second aspect of the invention, there is provided the vehicle defroster device according to the first aspect, wherein the louver is extended to the front wall to a position projecting toward the rear wall and close to the rear wall. In addition to the effect of the invention of claim 1, in addition to the effect of the invention of claim 1, it is possible to control the flow of air by partitioning from the rear wall by the louver extended and formed in the front wall. .

According to a third aspect of the invention, there is provided the vehicle defroster device according to the second aspect, wherein the rear wall is formed with a second shelf portion that covers an upper end portion of the front wall. Since air can be blown out by the air outlets formed in the two shelves, in addition to the effect of the invention of claim 2, a portion forming a passage by the air outlets in the second shelves of the rear wall. And the part that blows out air are integrally formed, and the number of parts can be reduced.

[Brief description of drawings]

FIG. 1 is a cross-sectional explanatory view of a vehicle defroster device according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of FIG.

FIG. 3 is a cross-sectional explanatory view of a vehicle defroster device according to another embodiment of the present invention.

FIG. 4 is a cross-sectional explanatory view corresponding to FIG. 1 of a conventional example.

FIG. 5 is a perspective explanatory view corresponding to FIG. 2 of a conventional example.

[Explanation of symbols]

 1 Defroster device for vehicle 2 Duct as "passage" 3 Front wall 4 Rear wall 5 Suction port 6 Air conditioner 7 Air outlet 8 First air outlet 9 Second air outlet 10 Front wind panel 11 Side wind panel 12 Air blown out 13 louver 21 lower end of duct 22 upper end of duct 23 both sides of duct 24 first duct 25 second duct 26 first shelf 31 lower end of front wall 32 middle part of front wall 33 upper end of front wall 41 rear wall Lower end part 42 of the rear wall middle part 43 upper end part of the rear wall 132 first louver 133 second louver 134 third louver

Claims (3)

[Claims] 1. A front wall and a rear wall form a hollow passage for guiding air, one end of which is connected to an air outlet of an air conditioning main body and the other end of which is capable of blowing air along a front wind panel. The front wall is inclined along the front wind panel, and the rear wall is formed so as to blow out to the entire front wind panel at a uniform wind speed while lowering the air resistance together with the front wall. A defroster device for a vehicle, characterized in that a first shelf portion that extends to the rear side of the vehicle is formed together therewith. 2. The vehicle defroster device according to claim 1, wherein a louver is formed on the front wall so as to extend toward a position that projects toward the rear wall and is close to the rear wall. Defroster device for vehicles. 3. The vehicle defroster device according to claim 2, wherein the rear wall is formed with a second shelf portion that covers an upper end portion of the front wall, and the second shelf portion is formed on the second shelf portion. A vehicle defroster device characterized in that air can be blown out from the air outlet.