JP2006199250A - Vehicular air guide - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular air guide 10 which prevents hot air from the engine side from blowing back from the side of a vehicle to the front part of a heat exchanger via the interior of the U-shaped section of an upper center portion 7 of a radiator core support upper. <P>SOLUTION: The vehicular air guide 10, turned to the vehicle front side, is attached to a radiator core support side 6 of a radiator core support 1, which is a carrier for the heat exchanger 19. The upper center portion 7 of the radiator core support upper 2 is formed to have a U-shaped section open to the vehicle underside, and the vehicular air guide 10 is provided with a tabular first tongue piece 13 projecting to the vehicle upper side. The first tongue piece 13 is so arranged as to partition the interior of the U-shaped section at an end 7b of the upper center portion 7. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vehicle air guide mounted on a radiator support side of a radiator support as a carrier of a heat exchanger toward the front of the vehicle.

2. Description of the Related Art Conventionally, a technique of a vehicle air guide that is mounted on a radiator core support side of a radiator core support as a heat exchanger carrier toward the front of the vehicle is known (see Patent Documents 1 and 2).
Such a vehicle air guide serves as a wind guide plate for smoothly guiding the vehicle traveling wind to the front of the heat exchanger, and the hot air on the engine side blows back from the vehicle side to the front of the heat exchanger. It plays the role of a windshield to prevent.
JP 2003-306047 A

However, as shown in FIGS. 10 and 11, the upper side portion 07 of the radiator core support upper 02 in recent years is formed in a U-shaped cross section that opens downward in the vehicle and extends in the vehicle width direction. Side hot air X (indicated by broken arrows in the figure) may blow back from the side of the vehicle to the front of the heat exchanger through the inside of the U-shaped cross section, thereby reducing the cooling performance of the heat exchanger 019. was there.
Further, a part of the hot air is blown back to the front surface over the entire width of the heat exchanger 019 while flowing inside the U-shaped cross section inside in the vehicle width direction. As a result, the air is rectified by the vehicle air guide 010. There is a concern that the cooling performance of the heat exchanger may be deteriorated by turbulent flow of forced air generated by traveling air or a motor fan.

The present invention has been made in order to solve the above-described problems, and an object of the present invention is that the hot air on the engine side passes through the inside of the U-shaped cross section of the upper center portion from the vehicle side to the front of the heat exchanger. It is to provide an air guide for a vehicle that can prevent blowing back.
It is another object of the present invention to provide an air guide for a vehicle that enables the radiator core support to be mounted from the front of the vehicle while achieving the above object.

  According to a first aspect of the present invention, there is provided an air guide for a vehicle mounted on a radiator core support side of a radiator core support as a carrier of a heat exchanger toward the front of the vehicle, the upper center of the radiator core support upper Is formed in a U-shaped cross section that opens downward in the vehicle, and a plate-like tongue piece projecting upward in the vehicle is provided on the vehicle air guide, and the tongue piece is provided at the end of the upper center portion. It is arranged to partition the inside of the U-shaped cross section.

  In the first aspect of the present invention, the upper center portion of the radiator core support upper is formed in a U-shaped cross section that opens downward in the vehicle, and the plate-like tongue piece that protrudes upward in the vehicle is formed in the vehicle air guide. And the tongue piece portion is arranged so as to partition the inside of the U-shaped cross section at the end of the upper center portion, so that the hot air on the engine side is U-shaped in the upper center portion of the radiator core support upper from the vehicle side. Blowing back to the front of the heat exchanger through the inside of the cross section can be prevented.

  Embodiments of the present invention will be described below with reference to the drawings.

Example 1 will be described below.
1 is an overall exploded perspective view showing a radiator core support employing a vehicle air guide according to a first embodiment of the present invention, FIG. 2 is an overall perspective view thereof, and FIG. 3 is a sectional view taken along line S3-S3 in FIG. FIG. 4 is a perspective view illustrating the vehicle air guide according to the first embodiment, and FIGS. 5 to 9 are diagrams illustrating the mounting of the vehicle air guide.

First, the overall configuration will be described.
As shown in FIGS. 1 to 3, a radiator core support 1 in which the vehicle air guide of the first embodiment is adopted includes a radiator core support upper 2 extending in the vehicle width direction and a radiator parallel to the radiator core support upper 2. The core support lower 3, the radiator core support upper 2, the hood lock stay 4 that connects the central portions of the radiator core support lower 3, and the radiator that connects the radiator core support upper 2 and both ends of the radiator core support lower 3. Core support sides 5 and 6 are provided, and the whole is made of metal.

The radiator core support upper 2 is coupled to an upper center portion 7 having a U-shaped cross section that opens downward in the vehicle and extending in the vehicle width direction, and ends 7a and 7b of the upper center portion 7. The upper side portions 8 and 9 are formed in a U-shaped cross section that opens downward and extend obliquely rearward of the vehicle.
The front side wall part 7c in the U-shaped cross section of the upper center part 7 is formed somewhat lower than the rear side wall part 7d.
The upper side portions 8 and 9 are fixed by bolts B1 and B2 in a state in which the respective base end portions overlap the corresponding end portions 7a and 7b of the upper center portion 7.

Then, a vehicle air guide 10 shown in FIG. 4 is mounted on the radiator core support side 6 toward the front of the vehicle.
The vehicle air guide 10 is made entirely of resin and has a three-dimensional shape so as to close the side of the radiator core support side 6 and is formed in a vertically long shape, and its outer peripheral edge is refracted outward in the vehicle width direction. The entire required rigidity is ensured by the flange portion 10a.
A plate-like tongue piece 11 projecting upward is provided on the upper part of the vehicle air guide 10, and the tongue piece 11 has a first tongue piece 13 sandwiching an opening 12 notched downward. And the second tongue piece 14.
Further, the tongue piece 11 is formed with a thin first refraction groove 15 extending in the horizontal direction and a thin second refraction groove 16 extending downward from the opening 12.
An opening that allows a bumper armature (not shown) to pass therethrough is formed at the center of the vehicle air guide 10, and a lower part thereof is refracted inward in the vehicle width direction to avoid contact with an oil cooler (not shown). A crank portion 10b is formed.

Further, a clip 18 formed integrally with the vehicle air guide 10 projects from the inside of the second tongue piece portion 14 of the vehicle air guide 10 in the vehicle width direction.
Further, on the inner side in the vehicle width direction of the vehicle air guide 10, clips (not shown) similar to the clips 18 are provided at a plurality of locations, and these clips are fixed holes corresponding to the radiator core support side 6 (see FIG. The vehicle air guide 10 is fixed to the radiator core support side 6 by being penetrated through and fixed to the radiator core support side 6.
As shown in FIG. 3, the first tongue piece portion 13 of the vehicle air guide 10 is arranged so as to partition the inside of the U-shaped cross section at the end portion 7 b of the upper center portion 7. The end 7b is in a substantially blocked state.

Next, the operation will be described.
In order to mount the vehicular air guide 10 thus configured on the radiator core support 1, first, as shown in FIG. 5, the tongue piece 11 in the vehicular air guide 10 is formed by the first refraction groove 15. The vehicle is bent at a right angle inward in the vehicle width direction and tilted, and moved from the front of the vehicle to a predetermined position in the direction of the arrow in the figure.
At this time, contact with the front side wall portion 7c of the upper side portion 9 can be avoided by making the tongue piece portion 11 tilted.

Next, as shown in FIGS. 6 and 7, the inside of the U-shaped cross section at the end portion of the upper center portion 7 is partitioned by returning the tongue piece portion 11 to the original state as being raised in the direction of the arrow in the figure. As a result, the end portion of the upper center portion 7 is substantially closed by the first tongue piece portion 13.
At this time, contact with the front side wall portion 7 c of the upper side portion 9 can be avoided by the opening portion 12.
As shown in FIG. 3, the first tongue piece portion 13 of the first embodiment is connected to the inner wall (front side wall portion 7 c, rear side wall portion 7 d, upper side wall portion 7 e) of the U-shaped cross section of the upper center portion 7. A predetermined gap is formed between them, but the first tongue piece portion is not considered unless the assembly property of the vehicle air guide 10 and the product accuracy and assembly accuracy of the upper center portion 7 and the vehicle air guide 10 are taken into consideration. 13 may be in close contact with the inner wall.
At this time, contact with the bolt B <b> 1 can be avoided by forming an opening similar to the opening 12.

  Next, as shown in FIG. 8, the second tongue piece portion 14 is bent at the second refracting groove 16 at a right angle in the direction of the arrow in the figure, and the clip 18 is inserted into the fixing hole 7g of the upper center portion 7 and fixed.

  Finally, the vehicle air guide 10 is mounted by inserting a clip (not shown) of the vehicle air guide 10 other than the clip 18 into a fixing hole (not shown) of the radiator core support side 6 and fixing it. finish.

Further, the radiator core support 1 is mounted with peripheral members such as a headlamp, a bumper stay, a bumper armature, a motor fan and the like, and is slightly rearward from the upper side portion 9 of the radiator core support upper 2 as shown in FIG. A heat exchanger 19 composed of a radiator 19a and a condenser 19b is mounted at a position offset to the position via a bracket 3a and a mounting part 3a, 3b (refer to FIG. 1) of the radiator core support lower 3 which are not shown. It functions as a carrier when the peripheral member including the exchanger 19 is mounted on the vehicle.
Further, the heat exchanger 19 mounted on the vehicle includes a vehicle running wind or a motor (not shown) from the front of each through the openings O1 and O2 (see FIG. 1) formed in the central portion of the radiator core support 1. The cooling medium heat is exchanged by using forced air from the fan.

At this time, the vehicle air guide 10 functions as a wind guide plate that rectifies the vehicle running wind or the forced wind generated by the motor fan and smoothly guides it to the front of the heat exchanger 19.
Moreover, it functions as a windbreak plate that prevents hot air on the engine side from blowing back to the front of the heat exchanger 19 from the side of the vehicle.
Here, when the cooling performance of the heat exchanger 19 is taken into consideration, a slight gap caused by an assembly error or the like of each part of the vehicle air guide 10 can be ignored.

  However, when the engine-side hot air blows back from the side of the vehicle to the front of the heat exchanger 19 through the inside of the U-shaped cross section that opens to the lower side of the vehicle in the upper side portion 9, the cooling of the heat exchanger 19 There was a risk that the performance would be significantly reduced.

  Further, a part of the hot air blows back to the front over the entire width of the heat exchanger 19 while flowing through the inside of the U-shaped cross section inward in the vehicle width direction. As a result, the air is rectified by the vehicle air guide 10. The running wind or the forced wind generated by the motor fan is turbulent and the cooling performance of the heat exchanger 19 is lowered.

However, as described above, in the vehicle air guide 10 according to the first embodiment, the first tongue piece 13 of the vehicle air guide 10 is disposed inside the U-shaped cross section at the end 7 b of the upper center portion 7. 3 and 7, the first tongue piece 13 can prevent hot air Y (indicated by broken line arrows in the figure) that is about to enter from the side of the vehicle, as shown in FIGS.
Note that the hot air entering through the gap W1 between the first tongue piece 13 and the upper side wall can be ignored in the same manner as the gap caused by the assembly dimension error of the vehicle air guide 10.

Next, the effect will be described.
As described above, in the vehicle air guide 10 according to the first embodiment, the vehicle is mounted on the radiator core support side 6 of the radiator core support 1 as the carrier of the heat exchanger toward the front of the vehicle. An air guide 10, in which an upper center portion 7 of the radiator core support upper 2 is formed in a U-shaped cross section that opens downward in the vehicle, and the plate-like first tongue piece that protrudes upward from the vehicle air guide 10. Since the first tongue piece portion 13 is arranged so as to partition the inside of the U-shaped cross section at the end portion 7b of the upper center portion 7, the hot air Y on the engine side is disposed on the radiator core support upper side from the vehicle side. 2 can be prevented from blowing back to the front of the heat exchanger 19 through the inside of the U-shaped cross section of the upper center portion 7 in FIG.

  The first tongue piece 13 is configured to be tiltable in the vehicle width direction, and when the vehicle air guide 10 is mounted on the radiator core support side 6 from the front of the vehicle, the first tongue piece 13 is tilted to move the upper center. After avoiding contact with the portion 7, the first tongue piece portion 13 is erected so as to partition the inside of the U-shaped cross section at the end of the upper center portion 7, so that the vehicle air guide 10 is disposed in the radiator core. The support 1 can be mounted from the front of the vehicle.

Although the present embodiment has been described above, the present invention is not limited to the above-described embodiment, and design changes and the like within the scope not departing from the gist of the present invention are included in the present invention.
For example, the shape and material of the vehicle air guide 10 can be set as appropriate, and the radiator core support 1 is fixed to the radiator core support 1 without using fastening means such as the clip 18 or by using insertion / fixation or resin uneven coupling. Also good.

  In the first embodiment, the case where the vehicle air guide 10 is provided on the radiator core support side 6 to prevent the hot air on the engine side from blowing back from the side of the vehicle has been described. Naturally, it is conceivable to provide the support side 5 or both the radiator core support sides 5 and 6, and it can be set as appropriate depending on the position of the heat source that causes the hot air on the engine side and the flow of the hot air.

1 is an overall exploded perspective view showing a radiator core support in which a vehicle air guide according to a first embodiment of the present invention is employed. 1 is an overall perspective view showing a radiator core support in which a vehicle air guide according to a first embodiment of the present invention is employed. It is sectional drawing in the S3-S3 line | wire of FIG. 2, and is a figure explaining the inside of an upper side part. It is a perspective view which shows the air guide for vehicles of the present Example 1. FIG. It is a figure explaining mounting | wearing of the air guide for vehicles. It is a figure explaining mounting | wearing of the air guide for vehicles. FIG. 4 is a cross-sectional view taken along line S7-S7 in FIG. 3 and illustrates the mounting of the vehicle air guide (the upper side portion and the radiator core support side are indicated by a two-dot chain line). It is a figure explaining mounting | wearing of the air guide for vehicles. It is a figure explaining mounting | wearing of the air guide for vehicles. It is a figure explaining the conventional vehicle air guide. It is a figure explaining the conventional vehicle air guide.

Explanation of symbols

B1, B2 Bolts O1, O2 Opening 1 Radiator Core Support 2 Radiator Core Support Upper 3 Radiator Core Support Lower 3a, 3b Mount 4 Hood Lock Stay 5, 6 Radiator Core Support Side 7 Upper Center 7a, 7b End 7c Front Side Wall Part 7d rear side wall part 7e upper side wall part 7g fixing hole 8, 9 upper side part 10 vehicle air guide 10a flange part 10b crank part 11 tongue piece part 12 opening part 13 first tongue piece part 14 second tongue piece part 15 1 refraction groove 16 2nd refraction groove 18 clip 19 heat exchanger 19a radiator 19b condenser

Claims (2)

A vehicle air guide mounted on the radiator core support side of the radiator core support as a carrier of the heat exchanger toward the front of the vehicle,
The upper center portion of the radiator core support upper is formed in a U-shaped cross-section that opens downward in the vehicle,
The vehicle air guide is provided with a plate-like tongue piece protruding upward from the vehicle, and the tongue piece is arranged so as to partition the inside of the U-shaped cross section at the end of the upper center portion. A vehicle air guide. The air guide for a vehicle according to claim 1,
The tongue piece is configured to be tiltable in the vehicle width direction,
When the vehicle air guide is mounted on the radiator core support side from the front of the vehicle, the tongue piece is tilted to avoid contact with the upper center portion, and then the tongue piece portion is raised to end the upper center portion. An air guide for a vehicle, which is arranged so as to partition the inside of the U-shaped cross section.

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