JP4718932B2 - Vehicle front end panel structure - Google Patents

Description

  The present invention relates to a front end panel structure of a vehicle.

  Conventionally, a front end panel extending in the vehicle width direction and a front end panel structure for a vehicle in which a radiator and a condenser are disposed in an opening of the front end panel are known.

For example, Patent Document 1 includes a fan shroud that covers a gap with a radiator disposed behind a condenser and prevents an air flow induced by a blower from flowing around the radiator, and includes a front shroud. A device in which a labyrinth structured gap is provided between a panel side facing portion facing the outer edge side of the fan shroud and a shroud facing portion facing the panel side facing portion of the fan shroud is disclosed. This prevents the backflow of warm air around the engine.
JP 2004-322847 A

  However, in the conventional vehicle front-end panel structure, the radiator, which is heavier than the condenser, is normally supported on the rear side of the front-end center of the front-end panel. There has been a problem that a cooling device such as a radiator or a condenser cannot be stably held on the panel.

  The present invention has been made in view of such points, and the object of the present invention is not only to suppress the warm air blow-back from the engine side to the front by adding a device to the configuration of the front end panel. It is to obtain a lightweight and highly rigid front end panel structure.

  In order to achieve the above object, in the present invention, the rigidity of the rear side of the side member is increased, and the side member is brought close to the radiator and the condenser.

Specifically, in the present invention, the upper member extending in the vehicle width direction, the lower member extending in the vehicle width direction below the upper member, and the upper member and the lower member are integrally formed so that the upper and lower ends are connected to the left and right sides of the upper member and the lower member. substantially rectangular front end panel made of resin having an opening in which a right and left side members extending vertically and a radiator in the opening of the front end panel, lightweight vehicle width direction length than the radiator The object is a vehicle front end panel structure in which a short capacitor is disposed.

And, at least one end in the vehicle width direction of the lower member in the front end panel, and a mount portion for mounting the radiator is formed behind the center in the vehicle front-rear direction,
The side member on one end side of the lower member includes a plate-like side wall portion extending in the front-rear direction near the side surface of the radiator, a plate-like front wall portion extending outward in the vehicle width direction from the front end and the rear end of the side wall portion, and With the rear wall portion, the outer side in the vehicle width direction is formed in a substantially U-shaped cross section, and the thickness of the rear wall portion is set larger than the front wall portion,
On the inner side in the vicinity of the front wall portion of the side member side wall portion, a capacitor facing portion having an L-shaped cross section extending in the vertical direction is formed integrally with the side portion of the capacitor disposed in front of the radiator ,
The capacitor facing portion has a gap that opens to the rear side between the side member side wall portion and extends rearward to the side facing region of the capacitor .

According to the above-described invention, the thickness of the rear wall portion of the side member of the front end panel formed in a substantially U-shaped cross section that is open at the outer side in the vehicle width direction is made larger than the front wall portion, and the side member side wall portion Since the condenser facing part with an L-shaped cross section is formed inside the front wall, the rigidity of the entire front end panel is improved, and the radiator and the condenser that is lighter and shorter in the vehicle width direction than the radiator are firmly Can be supported. In addition, a cooling air flow is provided by a capacitor facing portion that has a gap that is open on the rear side between the side member side wall portion and the side member side wall portion that is provided near the front wall portion of the side member side wall portion and extends rearward to the side portion facing area of the capacitor . While preventing turbulence and generating noise, it is possible to suppress the return of warm air from the engine side to the front. Accordingly, it is possible to prevent a reduction in the heat exchange rate of the radiator and the condenser and to obtain a lightweight and highly rigid front end panel structure.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is an exploded perspective view of a vehicle front end panel structure 1 according to an embodiment of the present invention. FIG. 2 shows a plan view of the front end panel structure 1.

  The front end panel structure 1 has a resin front end panel 3, which is fixed to the rear side of a bumper reinforcement 41 to which a bumper face (not shown) is fixed on the front side. ing. Specifically, a bracket 43 is fixed to the rear side of the bumper reinforcement 41 with a predetermined interval in the vehicle width direction, and a through-hole 43a is formed in the bracket 43 with a vertical interval. ing. A bolt (not shown) is inserted into the through-hole 43a (only the upper through-hole 43a is shown in FIG. 1), and the front end panel 3 is opened to the side member 9 so as to correspond to the through-hole 43a. The front end panel 3 is attached to the bumper reinforcement 41 by being fastened to the hole 3a.

  The front end panel 3 has an upper member 5 extending in the vehicle width direction, and a lower member 7 extending in the vehicle width direction is provided below the upper member 5. Left and right side members 9 extending vertically are integrally formed so that the upper and lower ends are connected to the left and right sides of the upper member 5 and the lower member 7. A substantially rectangular opening 11 is formed surrounded by the upper member 5, the lower member 7, and the left and right side members 9, and a radiator 13 and a capacitor 15 are disposed in the opening 11.

  Specifically, the radiator 13 has a rectangular plate shape, and a pair of leg portions 17 are provided at a lower end thereof with a predetermined interval. A known seismic isolation rubber (not shown in detail) is attached to the leg portion 17. On the other hand, mount holes 21 (shown in an enlarged manner in FIG. 3) as mount portions are formed at both ends in the vehicle width direction of the lower member 7 in the front end panel 3 and behind the center in the vehicle front-rear direction. Yes. The leg portion 17 of the radiator 13 is inserted into the mount hole 21 via a seismic isolation rubber, and the radiator 13 is mounted so that the radiator 13 and the like function as a dynamic damper. A condenser 15 of an air conditioner (not shown) that is smaller and lighter than the radiator 13 is disposed in front of the radiator 13. In FIG. 1, crash pipes 45 are provided at the left and right ends of the bumper reinforcement 41, and the rear ends of the crash pipes 45 are attached to a front side frame (not shown).

  A cooling fan 23 and a fan motor 25 are attached to the rear of the radiator 13 as indicated by a two-dot chain line in FIG. A fan shroud 27 is attached around the cooling fan 23 and behind the radiator 13 so that warm air around the rear engine (not shown) does not flow backward.

  The radiator 13, the condenser 15, the cooling fan 23, and the fan shroud 27 may be separately attached to the front end panel 3, or may be attached to the front end panel 3 after being sub-assembled together.

  The side member 9 of the front end panel 3 has a plate-like side wall portion 29 that extends in the front-rear direction in the vicinity of the side surface 13 a of the radiator 13. That is, a predetermined gap is secured between the side wall portion 29 of the side member 9 and the side surface 13a of the radiator 13 in consideration of manufacturing errors of the front end panel 3 and the radiator 13 and the assembly property of the radiator 13. Yes.

  As shown in FIG. 3, plate-like front wall portion 31 and rear wall portion 33 extend from the front end and rear end of the side wall portion 29 outward in the vehicle width direction, respectively. The side member 9 is formed by the side wall portion 29, the front wall portion 31, and the rear wall portion 33 in a substantially U-shaped cross section that opens in the vehicle width direction outer side. The plate thickness t2 of the rear wall portion 33 is set to be larger than the plate thickness t1 of the front wall portion 31 (t2> t1). In addition, as shown also in FIG. 1, between the front wall part 31 and the rear wall part 33, the side view X-shaped reinforcement rib 35 is integrally formed.

  In addition, a capacitor facing portion 37 that is close to the side portion 15a of the capacitor 15 in front of the radiator 13 and extends in the vertical direction is integrally formed on the inner side in the vicinity of the front wall portion 31 of the side wall portion 29 of the side member 9. . The capacitor facing portion 37 is formed in an L-shaped cross section so as to have a gap S that opens to the rear side between the capacitor portion 37 and the turbulent airflow of the cooling air to prevent generation of noise. It is designed to prevent backflow of warm air from. Further, the rigidity of the front side of the side member 9 is also improved by the capacitor facing portion 37.

  Therefore, according to the structure of the front end panel 3 of the vehicle according to the present embodiment, the thickness of the rear wall portion 33 of the side member 9 formed in a substantially U-shaped cross-section that is open at the outer side in the vehicle width direction is greater than the front wall portion 31. Therefore, the rigidity of the rear end side is improved, the condenser facing portion 37 is formed in the vicinity of the front wall portion 31, and the rigidity of the entire front end panel 3 is improved. The capacitor 15 can be supported firmly and stably.

  Further, the gap between the side portion 15a of the capacitor 15 and the side member 9 is reduced by the capacitor facing portion 37 provided in the vicinity of the front wall portion 31 of the side wall portion 29 of the side member 9, so that the front side from the engine side can be reduced. The blow-back of warm air to can be reliably suppressed.

  Therefore, it is possible to prevent the heat exchange rate of the radiator 13 and the condenser 15 from being lowered, and to obtain a lightweight and highly rigid front end panel 3 structure.

(Other embodiments)
The present invention may be configured as follows with respect to the above embodiment.

  That is, in the above embodiment, the seismic isolation rubber is provided on the leg 17 side of the radiator 13 and the mount hole 21 is provided on the lower member 7 side, but conversely, the seismic isolation rubber may be provided on the lower member 7 side.

  Moreover, in the said embodiment, although the mount hole 21 was formed in the vehicle width direction both ends of the lower member 7 in the front end panel 3, the radiator 13 is provided in the vehicle width direction one end side, and the intercooler is provided in the other end side. In this case, the mount hole 21 may be provided on one end side, a partition wall portion extending in the vertical direction may be provided between the radiator 13 and the intercooler, and another mount hole 21 may be provided in the vicinity of the partition wall portion. In this case, the shape of the side member on the other end side is preferably the same as the shape of the side member 9 on the one end side, but may be a different shape.

  As described above, the present invention is useful for a vehicle front end panel structure including a front end panel that supports a capacitor and a radiator.

It is a disassembled perspective view which shows the front end panel structure of the vehicle concerning embodiment of this invention. It is sectional drawing which looked at the front end panel structure from the upper part. It is sectional drawing which expands and shows the capacitor | condenser opposing part of a front end panel, and its periphery.

DESCRIPTION OF SYMBOLS 1 Front end panel structure 3 Front end panel 5 Upper member 7 Lower member 9 Side member 11 Opening part 13 Radiator 13a Side surface of a radiator 15 Capacitor 15a Side part of a capacitor 21 Mounting hole (mounting part)
29 Side wall portion 31 Front wall portion 33 Rear wall portion 37 Capacitor facing portion

Claims (1)

An upper member extending in the vehicle width direction, a lower member extending in the vehicle width direction below the upper member, and left and right side members integrally formed so that upper and lower ends are connected to the left and right sides of the upper member and the lower member and extend vertically includes front end panel and a resin having a substantially rectangular opening was, a radiator in the opening of the front end panel, and a capacitor is shorter in length in the vehicle width direction with lighter than the radiator is arranged Vehicle front end panel structure,
A mount portion for mounting the radiator is formed at least at one end in the vehicle width direction of the lower member in the front end panel and behind the center in the vehicle front-rear direction,
The side member on one end side of the lower member includes a plate-like side wall portion extending in the front-rear direction near the side surface of the radiator, a plate-like front wall portion extending outward in the vehicle width direction from the front end and the rear end of the side wall portion, and With the rear wall portion, the outer side in the vehicle width direction is formed in a substantially U-shaped cross section, and the thickness of the rear wall portion is set larger than the front wall portion,
On the inner side in the vicinity of the front wall portion of the side member side wall portion, a capacitor facing portion having an L-shaped cross section extending in the vertical direction is formed integrally with the side portion of the capacitor disposed in front of the radiator ,
A front end panel structure for a vehicle, wherein the capacitor facing portion has a gap that opens to the rear side between the side member side wall portion and extends rearward to a side facing region of the capacitor .

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