JP2009234315A - Radiator grille - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a radiator grille low in development cost having an inexpensive shut-off member, in the radiator grille. <P>SOLUTION: The radiator grille 1 provided on a front surface of a vehicle body in order to introduce traveling wind into an engine compartment has an outer peripheral frame 20 for mounting it to the vehicle body; a lateral lattice 30 and a vertical lattice 40 as lattices being the appearance design of the radiator grille 1; the shut-off member 60 provided behind the lattice and restricting a part of the traveling wind; and a mounting rib 50 as a mounting part provided on the lateral lattice 30 and the vertical lattice 40 and mounting and fixing the shut-off member 60. The shut-off member 60 is formed of a soft material so as to follow a curved shape of the radiator grille 1. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a shield grill provided for improving aerodynamic characteristics in a radiator grill provided on the front surface of a vehicle body in order to introduce traveling wind into an engine room.

  The conventional radiator grille has a configuration in which traveling wind is introduced into the engine room from the entire surface of the lattice portion which is an appearance design. However, in the case of a vehicle used in a cold region, it is not necessary to introduce a traveling wind from the entire surface of the lattice portion, and a shielding plate that shields a part of the traveling wind is provided to improve aerodynamic characteristics.

For example, in a radiator grill described in Patent Document 1, a conventional technique of a configuration in which a shielding plate is attached to the back surface and a configuration of a grill net is described. In these configurations, whether to attach a shielding plate (cold region specification) or a grill net is selected depending on whether or not it is a cold region specification as described above.
Japanese Patent Laid-Open No. 10-218023

  By the way, in the shield plate of the radiator grill described in Patent Document 1, a shield plate formed by injection molding is attached in accordance with the attachment structure and shape of the radiator grill. For this reason, the radiator grill must be designed according to the mounting structure and shape of the radiator grill, and there is a problem in that development costs such as design costs and mold costs are required. In particular, since the one provided with the shielding plate is limited to a car model having a cold region specification, there is a problem that it is difficult to predict the quantity and to collect the development cost.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a radiator grill having a low-cost shielding member at a low development cost.

  In order to achieve the above object, the invention of claim 1 of the present invention is a radiator grill provided on the front surface of a vehicle body for introducing traveling wind into an engine room, an outer peripheral frame for mounting on the vehicle body, and a radiator grille. It has a grid part to be an exterior design, a shielding member provided at the rear of the grid part for limiting a part of the traveling wind, and an attachment part provided on the grid part for attaching and fixing the shielding member. The shielding member is formed of a soft material so as to follow the curved surface shape of the radiator grille.

  In the above configuration, since the shielding member is made of a soft material and is attached to the attachment portion provided in the lattice portion of the radiator grille, the design of the shielding member is developed in a plane without designing a curved surface shape or the like. It can be designed easily by adopting a different shape.

  The invention according to claim 2 is characterized in that the shielding member is manufactured by punching.

  In the said structure, it can manufacture cheaply compared with the shielding member injection-molded like before.

  The invention according to claim 3 is characterized in that the shielding member is a non-woven fabric.

  In the above configuration, since the shielding member is made of non-woven fabric, the sound from the horn can be transmitted even if the horn disposed behind the radiator grille is blocked with the shielding member, so the position of the horn is taken into consideration. The shielding member can be easily designed according to the shape of the lattice portion of the radiator grille.

  In the radiator grill of the present invention, the shielding member can be easily designed by designing the shielding member into a flat shape without designing a curved surface shape or the like.

Hereinafter, a radiator grill 1 provided with a shielding member 60 according to an embodiment embodying the present invention will be described with reference to FIGS.
Fig. 1 is a front view of the radiator grill 1. The radiator grille 1 is formed with an outer peripheral frame 20 having a configuration (not shown) for mounting on the vehicle body over the entire circumference of the radiator grille 1. The outer peripheral frame 20 has the basic rigidity of the radiator grille 1 and is fixed to the vehicle body by the mounting structure provided on the outer peripheral frame 20.

  Inside the outer peripheral frame 20, a horizontal lattice 30 and a vertical lattice 40 are provided as lattice portions, which are appearance designs of the radiator grill 1. The horizontal lattice 30 and the vertical lattice 40 as the lattice portion have various designs and are different for each vehicle.

  On the back surfaces of the horizontal lattice 30 and the vertical lattice 40 as the lattice portions, a shielding member 60 made of a soft material is attached following the design shape of the radiator grill 1. 2 and 3, the shielding member 60 is fixed by melting the flat mounting ribs 50 (see FIG. 5) formed on the horizontal lattice 30, the vertical lattice 40 and the outer peripheral frame 20 by heat caulking. (Thermal caulking portion 52). The mounting ribs 50 (see FIG. 5) are provided at a plurality of positions on the horizontal lattice 30, the vertical lattice 40, and the outer peripheral frame 20, and are formed so that the shielding member 60 is fixed following the design shape of the radiator grill 1. Has been.

  The shielding member 60 is formed by punching by dividing the sheet-like EPDM into a plurality according to the shape of the grid of the radiator grille 1 in consideration of the shape of attaching the sheet-like EPDM and the position of the attachment rib 50. The punching shape of the shielding member 60 may be designed in consideration of this shape when the radiator grille 1 is designed by setting the size of the shielding member 60 according to a standard lattice shape. Moreover, as a material of the shielding member 60, a soft material that follows a curved surface shape such as another rubber material or an elastomer can be used.

  Next, a method for attaching the shielding member 60 will be described with reference to FIGS. First, a mounting hole 54 for inserting the mounting rib 50 in a predetermined shape was punched into the mounting rib 50 formed on the back surface side of the radiator grille 1 which was molded by injection molding or the like and the design surface was plated or painted. The shielding member 60 is attached. Then, the mounting rib 50 protruding from the shielding member 60 is melted by a heat caulking machine to form a heat caulking portion 52 and fixed to the radiator grill 1.

Since the radiator grill 1 provided with the shielding member 60 according to the present embodiment described above is mounted on a vehicle having a cold district specification and the provision of the shielding member 60 partially restricts the introduction of traveling wind, As a result, air resistance occurs and aerodynamic characteristics are improved. On the other hand, the vehicle is used in a cold region, and even if a part of the traveling wind is restricted, cold air sufficient for cooling is introduced into the radiator.

  Further, in the radiator grill 1 of the present embodiment, the shielding member 60 is formed by punching with a soft material and attached by heat caulking, so that it is attached following the curved surface shape of the radiator grill 1 and is molded by injection molding. In comparison, the design is facilitated and it can be manufactured at a low cost.

In addition, this embodiment can be implemented with the following aspects which changed these suitably.
In this embodiment, the flat mounting rib 50 is provided as the mounting portion for mounting and fixing the shielding member 60. However, a conical or columnar protrusion may be fixed by heat caulking. Further, a triangular or semicircular convex portion of several millimeters is formed on the back surface of the lattice portion around the opening formed by the lattice, and the entire periphery of the shielding member 60 is welded to the lattice portion by vibration welding or ultrasonic welding. It is good also as composition to do. In this case, since the shielding member 60 made of a soft material is securely fixed, it is possible to reliably prevent the aerodynamic characteristics from being deteriorated and unnecessary chatter noise.
As the material of the shielding member 60, a non-woven fabric may be used. In this case, the sound of the horn provided behind the radiator grill 1 can be transmitted without being obstructed, so that the shielding is performed without considering the position of the horn. The member can be designed according to the shape of the lattice portion of the radiator grill 1.

In the present embodiment, the shielding member 60 is divided and attached to a plurality of pieces, but the whole may be attached as a shape punched out by one piece.
In the present embodiment, the shielding member 60 is fixed by the mounting rib 50 formed on the back surface of the member that forms the external design of the radiator grille 1 of the horizontal lattice 30, the vertical lattice 40, and the outer peripheral frame 20, but the radiator Depending on the shape of the grid portion of the grill 1, a vertical, horizontal, or diagonal grid that does not constitute an external design may be formed between the grid portions, and a mounting portion may be formed and fixed to the grid.

It is a front view of the radiator grille of the embodiment concerning the present invention. It is AA sectional drawing in FIG. It is BB sectional drawing in FIG. It is a fragmentary sectional view in which the attachment rib of the radiator grille of the embodiment concerning the present invention is before heat caulking. It is a fragmentary sectional view after the attachment rib of the radiator grille of embodiment which concerns on this invention is heat crimped.

Explanation of symbols

1: Radiator grill 20: Peripheral frame 30: Horizontal lattice 40: Vertical lattice 50: Mounting rib (mounting portion)
52: Thermal caulking portion 54: Mounting hole 60: Shielding member

Claims (3)

In order to introduce the driving wind into the engine compartment,
An outer frame for mounting on the vehicle body;
A lattice portion serving as an external design of the radiator grill;
A shielding member provided at the rear of the lattice portion for limiting a part of the traveling wind;
Provided in the lattice part, and having an attachment part for attaching and fixing the shielding member;
The radiator grill is characterized in that the shielding member is made of a soft material so as to follow the curved shape of the radiator grill.   The radiator grill according to claim 1, wherein the shielding member is manufactured by punching.   The radiator grill according to claim 1, wherein the shielding member is a non-woven fabric.

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