JP4048480B2 - Automobile grill with intercooler structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a grill part structure of an automobile with an intercooler having a structure for taking in outside air for cooling an intercooler from a front grill.
[0002]
[Prior art]
FIG. 12 shows a conventional grill structure of an automobile with an intercooler. A front grille 51 having a function of an intake port for taking in outside air is attached to the upper side of the front bumper 50 provided at the lower front of the vehicle body, and an air duct for guiding the taken in outside air to an intercooler (not shown) on the back side of the front grille 51. 54 is disposed (see, for example, Patent Document 1). In addition, since the installation space for the air duct 54 is narrow and limited, there is a technique for making the opening 55 large in order to take in outside air by devising the shape of the air duct 54 (see, for example, Patent Document 2).
[0003]
Further, a grill cover 53 may be provided on the back side of the front grill 51 and on the front side of the air duct 54 so that the engine room cannot be seen from the gaps between the fins 52 of the front grill 51. When the grill cover 53 and the opening 55 of the air duct 54 face each other, a hole for allowing outside air to pass through must be formed in the grill cover 53.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-157347 [Patent Document 2]
Japanese Utility Model Publication No. 60-157328 [Patent Document 3]
Japanese Utility Model Publication No. 60-121927 [0005]
[Problems to be solved by the invention]
However, when the air duct 54 is disposed on the back side of the front grill 51, there is a limit to providing the opening 55 in a small installation space. In addition, the grill cover 53 is for blocking the field of view into the engine room, and usually has no function for taking in outside air.
[0006]
In addition, as shown in FIG. 13, there is a technique for attaching an air duct 54 to another part of the front bumper 50 (see, for example, Patent Document 3). However, in order to increase the number of parts and to provide a hole in the front bumper 50, There is concern over the impact of foreign objects and muddy water entering during travel.
[0007]
The present invention has been made in view of such a situation, and an object of the present invention is to provide an automobile with an intercooler capable of further improving the outside air intake performance and blocking the view from the front side of the front grill to the engine room. It is to provide a grill structure.
[0008]
[Means for Solving the Problems]
The present invention is provided with a front grille for taking in outside air as an intake port in the vehicle body front to the front bumper, the grille structure for an automobile with intercooler which is disposed an air duct for guiding the outside air to the intercooler to the rear side of the front grille, said air duct A wind guide cover part that collects outside air during traveling is integrally provided at the front part to form an air duct with a wind guide cover, and the wind guide cover part includes an outer peripheral surface that is configured on the outer edge in substantially the same plane, The inner surface surrounded by the outer peripheral surface is configured as a stepped surface that is recessed toward the rear of the vehicle body with respect to the outer peripheral surface, and an engaging claw that engages with the front bumper is provided on the outer peripheral surface of the wind guide cover portion. is, front opening of the air duct section, the disposed surface of the stepped surface of the airflow guide portion, the air guide cover portion of the air guide with cover air duct It is disposed on the front bumper to block the view from the gap of the front grill to the inside of the engine room.
The air duct with a wind guide cover includes an air duct portion that guides the outside air and the wind guide cover portion, and an opening area of a front opening of the air duct portion is larger than an opening area of a rear opening that discharges outside air. ing.
[0009]
In order to provide the rear opening surface of the air duct portion above the front opening surface, the present invention provides a molding die for the air duct with a wind guide cover as a fixed die and a horizontal die that moves in a horizontal direction. And a vertical mold that moves in the vertical direction, the inner surface of the air duct part is molded with a fixed mold and a horizontal mold, and the upper part of the outer surface of the air duct part is molded with a vertical mold. I have to.
Furthermore, an engaging claw that protrudes rearward of the vehicle body is provided on the upper rear surface of the air guide cover portion of the air duct with the air guide cover, and the engaging claw is formed using the vertical mold, and the engagement claw is formed. It is also possible to provide an engaging projection on the front end of the pawl in the vehicle width direction.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Below, the grill part structure of the car with an intercooler concerning an embodiment of the invention is explained using a drawing.
Note that the direction described in the present specification, unless otherwise specified, is defined as a surface or front side that is attached facing the front direction of the vehicle body, and a reverse side as a back side or back side.
[0013]
FIG. 1 is a perspective view of an automobile 1 provided with the grill structure of the present invention as viewed obliquely from the front, FIG. 2 is an exploded perspective view of FIG. 1, and FIG. 3 is an exploded perspective view showing the configuration of a front grill section. .
[0014]
The front portion of the automobile 1 includes a front bumper 2 that forms a lower portion of the front surface, and a front grille 4 that is provided on the upper side of the front bumper 2 and that forms the design of the front portion. Is provided. Inside the engine room 3 is provided an intercooler 5 for cooling supercharged intake air to an engine (not shown). The intercooler 5 is provided with an engine side air duct 6 for guiding outside air for cooling the intercooler 5. It is installed.
[0015]
An air duct 7 with a wind guide cover according to the embodiment of the present invention is provided between the rear side of the front grill 4 and the engine side air duct 6 (see FIG. 3). The air duct 7 with a wind guide cover is integrally configured by a wind guide cover portion 8 that guides outside air and blocks the view of the engine room 3 and an air duct portion 9 that sends outside air to the intercooler 5.
[0016]
The surface of the air guide cover portion 8 is formed, for example, in a square shape when viewed from the front, and in this embodiment, is configured to be approximately half the size of the surface area of the front grill 4 (see FIG. 3). . The air duct 7 with the wind guide cover is disposed on the back side of the left portion of the front grille 4 when viewed from the front side of the vehicle body. The shape, size, and arrangement of the air duct 7 with the wind guide cover can be appropriately determined so as not to interfere with other parts depending on the structure of the vehicle, the arrangement of the parts of the front grille 4 and the like.
[0017]
FIG. 4 is a front view of the air duct 7 with a wind guide cover according to the embodiment of the present invention, and FIG. 5 is a cross-sectional view taken along the line AA of FIG. Indicates the status. FIG. 6 is a cross-sectional view taken along the line B-B of FIG.
[0018]
The air guide cover portion 8 includes a stepped surface 11 that is recessed on the rear side of the vehicle body with respect to the outer peripheral surface 10, and an outer peripheral surface 10 that is formed on the outer periphery of the quadrangle substantially in the same plane and an inner surface surrounded by the outer peripheral surface 10. It is configured. The inner peripheral surface 11 a generated by the outer peripheral surface 10 and the step surface 11 has a function of preventing outside air from hitting the step surface 11 and diffusing and escaping in the outer direction of the step surface 11. Further, the stepped surface 11 is provided with a turbo unit cooling hole 26 and a hole 27 for preventing the sound of the horn from being interrupted.
[0019]
An upper engagement claw 16 a and a lower engagement claw 16 b are provided on the upper and lower portions of the back surface of the outer peripheral surface 10. The engaging claws 16a and 16b protrude in the direction of the back side of the outer peripheral surface 10, and an engaging protrusion 17 protrudes in the vertical and horizontal directions at the tip portion to form a bowl shape. After the engagement protrusion 17 is inserted into the engagement holes 15a and 15b (see FIG. 3) provided in the front bumper 2, it engages with the edges of the engagement holes 15a and 15b, so that the air duct 7 with the wind guide cover is formed. Fixed.
The engaging claws 16 are not limited to the upper side and the lower side of the outer peripheral surface 10 and can be provided on the left and right sides according to the structure.
[0020]
The air duct portion 9 includes, for example, a substantially rectangular front opening 12 formed in the surface of the step surface 11, a duct 13 that guides outside air, and a rear opening that is connected to the engine-side air duct 6 at the end of the duct 13. 14 is provided. The opening area of the front opening 12 is provided to be larger than the opening area of the rear opening 14 so that more outside air can be taken in.
[0021]
The rear side opening 14 is arranged offset above the front side opening 12. This offset amount is, for example, a position suitable for placement on the front surface of the opening of the engine-side air duct 6 or a position suitable for avoiding interference with components provided on the back surface of the air duct 7 with a wind guide cover. It can be decided freely.
[0022]
As shown in FIGS. 4 to 6, the shape of the air duct 7 with the wind guide cover is provided with an inclined surface 14 a from the right side, the upper side, and the lower side surface portion of the front opening 12 toward the rear opening 14. The inclined surface 14a is provided to guide the outside air without disturbing it. In the present embodiment, the front left side portion of the front opening 12 is not provided with the inclined surface 14a due to the configuration restriction of the air duct 7 with the wind guide cover in the configuration of this figure, but the installation of the air duct 7 with the wind guide cover is not provided. It can be provided as appropriate in accordance with space and component arrangement.
[0023]
Next, the metal mold | die which shape | molds the air duct 7 with a wind guide cover which concerns on this invention is demonstrated. FIG. 7 shows a cross-sectional view of a mold structure for molding the air duct 7 with a wind guide cover. 8 shows an enlarged cross-sectional view of the upper portion of FIG. 7, and FIG. 9 shows an enlarged view of the U direction in FIG.
[0024]
As described above, in order to form a shape in which the rear opening 14 is offset upward with respect to the front opening 12, the molding die of the air duct 7 with the wind guide cover is a fixed die (core die) 18 that does not move. The horizontal mold (cavity mold) 20 that moves in the horizontal direction 19 and the vertical mold (slide mold) 22 that moves in the vertical direction 21 are divided into three parts.
The fixed mold 18 molds the inner side upper part 23a, the outer side lower part 23b, the lower side 24 of the air guide cover 8, and the lower engaging claw 16b of the air duct part 9. The horizontal mold 20 molds the inner surface lower side portion 23 c of the air duct portion 9, the outer peripheral surface 10 of the air guide cover portion 8, and the step surface 11. Further, the vertical mold 22 forms the outer side upper surface portion 23 d of the air duct portion 9 and the upper engaging claw 16 a of the wind guide cover portion 8.
[0025]
The lower engaging claw 16b provided on the lower side of the outer peripheral surface 10 can be formed with the engaging protrusion 17 facing downward using the fixed mold 18 and the horizontal mold 20 (see FIG. 7). On the other hand, the engaging protrusion 17 of the upper engaging claw 16a is configured so that the engaging protrusion 17 is directed upward or downward using the fixed mold 18 and the horizontal mold 20 because the rear opening 14 is offset upward. Can not do it. Therefore, the engagement protrusion 17 of the upper engagement claw 16a is formed in the horizontal direction using the vertical mold 22 (see FIGS. 8 and 9).
[0026]
In the present invention, by providing the wind guide cover portion 8 integrally with the front portion of the air duct 7 with the wind guide cover, more outside air can be guided to the air duct portion 9 and the inside of the engine room cannot be directly seen. can do. Thereby, the number of parts, such as attachment parts of a grill cover, can be reduced.
Further, since the area of the front opening 12 of the air duct portion 9 is made larger than the area of the rear opening 14 and the step surface 11 that is recessed rearward from the outer peripheral surface 10 is provided, a larger amount of outside air is removed from the intercooler 5. Can be imported.
Further, the molding die of the air duct 7 with the wind guide cover is molded by the fixed die 18, the horizontal die 20, and the vertical die 22, so that the rear opening 14 is offset from the front opening 12. This increases the degree of freedom in component layout and design. Further, since the engaging claws 16a and 16b can be integrally formed at a required position, the air duct 7 with a wind guide cover can be firmly fixed to the front bumper 2.
[0027]
In the present invention, the rear opening 14 may be provided below the front opening 12 as shown in FIG. The molding die is composed of a fixed die 18, a horizontal die 20, and a vertical die 22 as in the case where the rear opening is provided on the upper side, and the vertical die 22 is arranged on the lower side, The structure moves downward. In this case, the fixed mold 18 molds the inner side lower part 23c, the outer side upper part 23d, and the upper side 24 of the air guide cover part 8 of the air duct part 9. The horizontal mold 20 molds the inner side upper surface portion 23 a of the air duct portion 9, the outer peripheral surface 10 of the air guide cover portion 8, and the step surface 11. Further, the vertical mold 22 molds the outer surface lower side portion 23 b of the air duct portion 9. Similarly to the above, the lower engaging claw 16b is formed by using the vertical mold 22 so that the engaging protrusions 17 are oriented horizontally.
[0028]
In the present invention, as shown in FIG. 11, the front grill 4 and the air duct 25 can be integrally formed by using the method of the present plan.
[0029]
Furthermore, in the present embodiment, the resin molding method has been described as a method of integrally forming the material. However, a method of integrally forming a material manufactured separately using a steel plate by welding or bolts is also described. It is included in the technical scope of the invention. In this case, it is preferable that the taken-in outside air does not escape from the joint portion.
[0030]
【The invention's effect】
According to the grill part structure of an automobile with an intercooler according to the present invention, the following effects can be obtained.
Provided front grille for taking in outside air as an intake port in the vehicle body front to the front bumper, the grille structure for an automobile with intercooler which is disposed an air duct for guiding the outside air to the intercooler to the rear side of the front grill, the front portion of the air duct, An air duct with a wind guide cover is configured by integrally providing a wind guide cover portion that collects outside air during travel, and the wind guide cover portion is surrounded by an outer peripheral surface that is configured on a substantially same plane at an outer edge portion, and the outer peripheral surface. The inner surface is configured as a step surface that is recessed toward the rear side of the vehicle body with respect to the outer peripheral surface, and the outer peripheral surface of the wind guide cover portion is provided with an engaging claw that engages with the front bumper. front opening parts, the disposed surface of the stepped surface of the airflow guide portion, the said air guide cover portion of the air guide with cover air duct furo Since the gap between Toguriru are disposed on the front bumper to block the view of the inside of the engine room, it is possible to incorporate more air. In addition, outside air is collected on a step surface larger than the front opening surface, and outside air taken in while the vehicle is running is not released to the outside of the wind guide cover, so that more outside air can be efficiently guided to the intercooler. . Moreover, the conventional grill cover and its attachment parts can be reduced, and the number of assembling steps can be reduced.
The air duct with a wind guide cover includes the wind guide cover portion and an air duct portion that guides outside air, and an opening area of a front opening of the air duct portion is larger than an opening area of a rear opening that discharges outside air. Therefore, more outside air can be taken into the intercooler.
[0031]
In order to provide the rear opening of the air duct portion above the front opening, the molding die of the air duct with the wind guide cover is moved in the vertical direction and the stationary die, the horizontal die that moves in the horizontal direction, and the vertical direction. The inner surface of the air duct part is formed by a fixed mold and a horizontal mold, and the upper part of the outer side surface of the air duct part is formed by a vertical mold. Since molding can be performed with the vertical position offset upward from the front opening surface, the degree of freedom in component layout and design is increased.
An engaging claw that protrudes rearward of the vehicle body is provided on the upper rear surface of the air guide cover portion of the air duct with the air guide cover. The engaging claw is formed using the vertical mold, and the engaging claw Since the engagement protrusion is provided in the vehicle width direction at the front end portion, the number of mounting bolts and the like can be reduced. In addition, since the engaging claws are provided at the necessary places, the air duct can be firmly fixed to the peripheral parts.
[Brief description of the drawings]
FIG. 1 is a perspective view of an automobile provided with a grill structure according to the present invention as viewed obliquely from the front.
FIG. 2 is an exploded perspective view of the grill structure of FIG.
FIG. 3 is an exploded perspective view showing a configuration of a front grill portion of the present invention.
FIG. 4 is a front view of an air duct with a wind guide cover according to an embodiment of the present invention.
5 is a cross-sectional view taken along line AA of FIG. 4 and showing a state in which an air duct with a wind guide cover is incorporated in a front portion of the vehicle body.
6 is a cross-sectional view taken along the line BB of FIG. 4, showing a state in which an air duct with a wind guide cover is incorporated in the front side portion of the vehicle body.
FIG. 7 is a simplified cross-sectional view of a mold structure for forming an air duct with a wind guide cover according to the present invention.
8 shows an enlarged cross-sectional view of the upper part of FIG.
9 shows an enlarged view as seen from the direction of the arrow U in FIG. 8;
FIG. 10 is a modification of the present invention, and shows a simplified cross-sectional view of a mold structure when a rear opening surface is offset downward.
FIG. 11 shows a modified example of the present invention in which an air duct and a front grill are integrally formed.
FIG. 12 is an exploded view of a conventional grill structure viewed from an oblique front.
FIG. 13 is an exploded view of a conventional grill portion structure as viewed obliquely from the front, in which an air duct is attached to a front bumper.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Car 2 Front bumper 3 Engine room 4 Front grille 5 Intercooler 6 Engine side air duct 7 Air duct with a wind guide cover 8 Wind guide cover part 9 Air duct part 10 Outer peripheral surface 11 Step surface 11a Inner peripheral surface 12 Front side opening 13 Duct 14 Rear side opening 14a Inclined surface 15a Upper engagement hole 15b Lower engagement hole 16a Upper engagement claw 16b Lower engagement claw 17 Engaging projection 18 Fixed mold (core mold)
19 Horizontal direction 20 Horizontal mold (cavity mold)
21 Vertical direction 22 Vertical mold (slide type)
23a Inner side upper part 23b Outer side lower part 23c Inner side lower part 23d Outer side upper part 24 Lower side 25 Air duct 26 Turbo unit cooling hole 27 hole

Claims (4)

Provided front grille for taking in outside air as an intake port in the vehicle body front to the front bumper, the grille structure for an automobile with intercooler which is disposed an air duct for guiding the outside air to the intercooler to the rear side of the front grill,
A wind guide cover portion that collects outside air during traveling is integrally provided at the front portion of the air duct to form an air duct with a wind guide cover, and the wind guide cover portion has an outer peripheral surface that is configured to be substantially flush with an outer edge portion. And the inner surface surrounded by the outer peripheral surface is configured as a stepped surface recessed toward the rear of the vehicle body with respect to the outer peripheral surface, and the outer peripheral surface of the wind guide cover portion is engaged with the front bumper. claws is provided, the front opening of the air duct section, the disposed surface of the stepped surface of the airflow guide portion, within the engine room, the air guiding cover portion from the gap of the front grille of the air guide with cover air duct A grill structure for an automobile with an intercooler, which is disposed on the front bumper so as to block the field of view.   The air duct with a wind guide cover includes an air duct portion that guides outside air with the wind guide cover portion, and an opening area of a front opening of the air duct portion is wider than an opening area of a rear opening that discharges outside air. The grill part structure of the automobile with an intercooler according to claim 1. In order to provide the rear opening of the air duct portion above the front opening, the molding die of the air duct with the wind guide cover is moved in the vertical direction and the stationary die, the horizontal die that moves in the horizontal direction, and the vertical direction. The inner surface of the air duct part is formed by a fixed mold and a horizontal mold, and the upper part of the outer side surface of the air duct part is formed by a vertical mold. The grill part structure of the motor vehicle with an intercooler of 1 or 2. An engaging claw that protrudes rearward of the vehicle body is provided on the upper rear surface of the air guide cover portion of the air duct with the air guide cover. The engaging claw is formed using the vertical mold, and the engaging claw 4. The grill part structure for an automobile with an intercooler according to claim 3 , wherein an engaging projection is provided at the front end of the motor vehicle in the vehicle width direction .

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