JP2005112193A - Radiator grille structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a radiator grill structure capable of preventing the function of a radar device from being impaired and increasing the visual quality of a radiator grill in a vehicle on which the radar device is mounted at the rear of the radiator grill. <P>SOLUTION: The radiator grill 10 comprises a grill frame 14, a grill general part 16, and a radar device cover part 18. The radar device 20 measuring the distance thereof from a vehicle running ahead of the vehicle is disposed at the rear of the radar device cover part 18. The radar device cover part 18 is formed of a radar wave transmission material, and the entire part thereof including the grill general part 16 is formed of a same material so that the grill general part 16 can be formed integrally with the radar device cover part 18. By this, the visual quality of the radiator grill 10 can be increased without causing a parting line between the grill general part 16 and the radar device cover part 18. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a general grill portion provided with an arbitrary design, and a radar device cover portion that is disposed in front of a radar device that serves a predetermined purpose, covers the radar device, and serves as a radar wave irradiation region. And a radiator grille structure including the above.

  In recent years, a system has been proposed in which a radar device for measuring a distance from a vehicle running in front of the own vehicle is mounted on the rear side of the radiator grill (see the following patent document).

Here, the radiator grille structure described in Patent Document 1 will be briefly described. In this prior art, a radar device is disposed on the rear side of the radiator grill. Therefore, an opening is provided in the central portion of the radiator grill that overlaps the irradiation range of the radar wave, and a cover separate from the radiator grill is fitted into the opening. The cover has a four-layer structure of a transparent plastic layer, an opaque plastic layer, a thin metal layer deposited with indium, and a plastic layer in order from the outside. The radar device transmits and receives radar waves through the cover.
Japanese Unexamined Patent Publication No. 2000-159039 JP 2000-49522 A

  However, the above configuration has the following problems.

  FIG. 3 schematically shows the structure of the radiator grill described in the above-mentioned Patent Document 1. When this figure is used to explain, the grill general part 102 of the radiator grill 100 usually has some three-dimensional design. It has been subjected. Since a separate cover 104 is fitted into the central portion of the grill general portion 102, a dividing line 106 is generated around the cover 104, and the three-dimensional structure applied to the grill general portion 102 at the portion where the dividing line 106 is generated. The design is cut off. For this reason, the design continuity between the grill general portion 102 and the cover 104 cannot be obtained, and the integrity is impaired. As a result, the radiator grill structure having the above configuration has a problem that the appearance quality of the entire radiator grill 100 is deteriorated.

  In consideration of the above facts, the present invention provides a radiator grille structure that can improve the appearance quality of a radiator grill without impairing the function of the radar device in a vehicle in which a radar device is mounted behind the radiator grill. Is the purpose.

  A radiator grille structure according to a first aspect of the present invention includes a grill general portion having an arbitrary design, a front side of a radar device provided for a predetermined purpose, and covers the radar device and radar waves. A radiator grille structure including a radar device cover portion that is an irradiation area of the radar device, wherein the radar device cover portion is made of a radar wave transmitting material, and the grill general portion is the radar device. It is characterized in that it is formed integrally with the radar apparatus cover part using the same material as the cover part.

  A radiator grille structure according to a second aspect of the present invention is characterized in that, in the first aspect of the invention, the design shape of the general grill portion is gradationized in the vicinity of the radar device cover portion. .

  A radiator grille structure according to a third aspect of the present invention is the radiator grille structure according to the first or second aspect, wherein the radar device cover part is constituted by a laminated structure of a plurality of layers, and an intermediate part in the lamination direction. Is characterized in that a mark by vapor deposition simulating indium is set.

  According to the first aspect of the present invention, the radiator grill is disposed on the front side of the radar device that is provided with a predetermined purpose and the radar device that serves a predetermined purpose, and covers the radar device. And a radar device cover portion that is a wave irradiation region.

  Here, in the present invention, the radar device cover portion is made of a radar wave transmitting material, and the grill general portion is formed integrally with the radar device cover portion from the same material as the radar device cover portion, that is, a radiator. Since the entire grill is integrally formed of the radar wave transmitting material, the dividing line between the grill general portion and the radar device cover portion does not occur. In addition, as described above, since the radar device cover is made of a radar transmitting material, the function of the radar device is not impaired.

  According to the second aspect of the present invention, since the design shape applied to the grill general portion is gradationized in the vicinity of the radar device cover portion, in addition to the appearance improvement due to the absence of the dividing line, the design by gradation is also possible. Improvement effect is obtained.

  The operation of the present invention as set forth in claim 3 is as follows.

  Conventionally, an emblem (mark) representing a manufacturer, vehicle type, or the like is often set in an area where a radar device cover is set. In the present invention, the radar device cover portion is configured by a laminated structure of a plurality of layers, and a mark by vapor deposition simulating indium is set in the intermediate portion in the stacking direction, so that the conventional radar device function is not hindered. A street mark can be set.

  As described above, in the radiator grille structure according to the first aspect of the present invention, the radar device cover portion is made of the radar wave transmitting material, and the grill general portion is made of the same material as the radar device cover portion. Since it is formed integrally with the device cover part, the dividing line between the grill general part and the radar device cover part does not occur. As a result, the function of the radar device is not impaired, and the appearance quality of the radiator grill can be improved. Has an excellent effect.

  The radiator grille structure according to the second aspect of the present invention is the appearance of the first aspect of the invention according to the first aspect, wherein the design shape of the grill general part is gradationized in the vicinity of the radar device cover part, so that the appearance is improved due to the absence of the dividing line. In addition, a design improvement effect by gradation can be obtained, and as a result, it has an excellent effect that the appearance quality of the radiator grill can be further improved (having a sense of quality).

  A radiator grille structure according to a third aspect of the present invention is the radiator grille structure according to the first or second aspect, wherein the radar device cover portion is constituted by a laminated structure of a plurality of layers, and is arranged at an intermediate portion in the lamination direction. Since the mark by vapor deposition simulating indium is set, it is possible to set the mark as usual without interfering with the function of the radar apparatus. As a result, there is an excellent effect that the setting of the mark is not troubled.

  Hereinafter, an embodiment of a radiator grille structure according to the present invention will be described with reference to FIGS. 1 and 2.

  FIG. 2 is a front view showing the appearance of a vehicle in which the radiator grill 10 according to the present embodiment is adopted. As shown in this figure, a radiator grill 10 formed in an isosceles trapezoidal shape upside down is disposed at the center of the front end of the vehicle (a position directly below the center of the front end of the hood 12). . The shape of the radiator grill is appropriately changed according to the vehicle type.

FIG. 1 is an enlarged front view of the radiator grill 10 described above. In the drawing, the illustration of the right half of the radiator grille 10 is omitted. As shown in this figure, the radiator grill 10 includes a grill frame 14 formed in an isosceles trapezoidal frame shape, and a mesh-shaped grill general portion stretched around a portion excluding the central portion in the grill frame 14. 16 and a radar device cover portion 18 set at the center of the grill frame 14.
A radar device 20 (see FIG. 2) for measuring the inter-vehicle distance from a vehicle traveling in front of the own vehicle is mounted on the rear side of the radar device cover portion 18.

  Here, in the present embodiment, the entire radiator grill 10 described above is integrally formed, and will be described in detail below.

  First, the radar device cover portion 18 will be described. The radar device cover portion 18 is positioned substantially at the center of the radiator grill 10 and has a generally rectangular shape when viewed from the front. The radar device cover 18 covers the radar device 20 in a front view so that it cannot be seen from the outside. Further, since the radar device cover portion 18 is a portion to be a radar wave irradiation region, the radar device cover portion 18 is formed in a flat plate shape having a constant thickness that avoids the presence of unevenness as much as possible so as not to hinder the function of the radar device 20. ing.

  Structurally, the radar apparatus cover portion 18 basically has a structure in which a transparent plastic plate disposed on the front surface side and an opaque plastic plate disposed on the back surface side are laminated. The transparent plastic plate and the opaque plastic constituting the radar device cover 18 are made of a resin material such as acrylic that can transmit radar waves. In addition, a grill emblem 22 as a mark formed by engraving from the back side and simulating vapor deposition of indium is disposed in an intermediate layer between the transparent plastic plate and the opaque plastic plate. Since the engraved recess after vapor deposition is filled with a resin material, the thickness of the radar device cover 18 is kept constant.

  On the other hand, the grill frame 14 and the grill general portion 16 are made of the same resin material (acrylic or the like) as the radar device cover portion 18 described above. Therefore, in the case of this embodiment, the grill general part 16 is also made of a radar wave transmitting material.

  Further, the grill general part 16 has a three-dimensional mesh design, but the mesh pattern on both sides (range P) is substantially uniform, but in the vicinity of the radar device cover 18. In the region (range Q), the mesh pattern is gradationized so as to gradually decrease as it approaches the radar device cover 18. Hereinafter, the mesh pattern in the range P is referred to as “uniform pattern portion 24”, and the mesh pattern in the range Q is referred to as “gradation pattern portion 26”.

  Next, the operation and effect of this embodiment will be described.

  The radiator grille 10 of the present embodiment is provided on the front side of the outer peripheral grille frame 14, the grill general part 16 with the design composed of the uniform pattern part 24 and the gradation pattern part 26, and the radar device 20 that transmits and receives radar waves. And a radar apparatus cover portion 18 that is disposed and covers the radar apparatus 20 and is an irradiation area of the radar wave.

  Here, in the radiator grille structure according to the present embodiment, the radar device cover portion 18 is made of a radar wave transmitting material, and the (grill frame 14) and the grill general portion 16 are the same material as the radar device cover portion 18. Since the radiator grill 10 is formed integrally with the radar device cover 18, that is, the entire radiator grill 10 is integrally formed of a radar wave transmitting material, the gap between the grill general portion 16 and the radar device cover 18 is provided. There is no dividing line as in the prior art. In addition, as described above, since the radar device cover portion 18 is made of a radar transmitting material, the function of the radar device 20 is not impaired. As a result, according to the present embodiment, the appearance quality of the radiator grill 10 can be improved without impairing the function of the radar device 20.

  Further, in the radiator grille structure according to the present embodiment, the main part of the grill general part 16 is configured by the uniform pattern part 24 and the gradation pattern part 26 is set in the vicinity of the radar apparatus cover part 18, so that the mesh pattern is not applied. The entire radiator grill 10 including the radar device cover portion 18 gives an impression as a single continuous design. Therefore, in addition to the appearance improvement effect due to the absence of the dividing line as described above, the design improvement effect by gradation can be obtained. As a result, according to the present embodiment, the appearance quality of the radiator grill 10 can be further improved (having a high-class feeling).

  Furthermore, in the radiator grille structure according to the present embodiment, the radar device cover portion 18 has a structure in which a transparent plastic plate disposed on the front surface side and an opaque plastic plate disposed on the back surface side are laminated, Since the grill emblem 22 by vapor deposition simulating indium is set in the middle in the thickness direction, the mark can be set as usual without interfering with the function of the radar apparatus 20. As a result, according to the present embodiment, there is no difficulty in setting the mark.

  In the present embodiment described above, acrylic is used as the constituent material of the radiator grille 10, but the present invention is not limited to this, and any resin material that can transmit radar waves is applicable.

  Moreover, in this embodiment mentioned above, although the design of the mesh pattern was given to the grill general part 16, it is not restricted to this, You may give a grid | lattice form and another design pattern.

  Furthermore, in the present embodiment described above, the grill emblem 22 as a mark is set in the radar device cover portion 18, but it is not always necessary to set a mark in this portion. For example, it may be set in the front end portion of the hood 12 or the like. Good. In this case, the design is such that no mark is present on the radar device cover portion 18 of the radiator grill 10.

It is a front view showing the appearance of the vehicle by which the radiator grill concerning this embodiment was adopted. FIG. 2 is an enlarged front view of the radiator grill shown in FIG. 1. It is a schematic block diagram for demonstrating the conventional radiator grille structure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Radiator grill 16 Grill general part 18 Radar apparatus cover part 20 Radar apparatus 22 Grill emblem (mark)
24 Uniform pattern part 26 Gradient pattern part

Claims (3)

A grill general part to which an arbitrary design is applied, and a radar apparatus cover part that is disposed on the front side of a radar apparatus for a predetermined purpose and covers the radar apparatus and serves as a radar wave irradiation area. A radiator grille structure comprising:
The radar device cover portion is made of a radar wave transmitting material, and the grill general portion is formed integrally with the radar device cover portion with the same material as the radar device cover portion.
A radiator grille structure characterized by that. The design shape of the grill general part is gradationized in the vicinity of the radar device cover part,
The radiator grille structure according to claim 1 The radar device cover part is constituted by a laminated structure of a plurality of layers, and a mark by vapor deposition simulating indium is set in an intermediate part in the lamination direction.
The radiator grille structure according to claim 1 or 2, wherein the radiator grille structure is provided.

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