JP2008195161A - Exterior component of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an exterior component of a vehicle, which does not prevent the function of an electric wave radar unit disposed at the rear side, makes designedness excellent by preventing the design part from looking dark owing to that a black paint film reflects on the design film, reduces the manufacturing costs, and can enhance the appearance of solidity so as to make the designedness excellent. <P>SOLUTION: An emblem 6 as the exterior component of the vehicle comprises a black system base member 10 mainly made of a synthetic resin material, a design member 20 fixed to the surface portion of the base member 10, and a surface layer 30 made of a transparent synthetic resin to cover the base member 10 and the design member 20. The design member 20 has a design body 21 having optical transparency, and a design film 25 consisting of a metal film having electric wave transparency formed on the rear of the design body 21. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an exterior component such as an emblem disposed on the front side of a radio wave radar unit disposed in a front end portion of a vehicle.

  Conventionally, in a vehicle such as an automobile, there is room for a collision with a front obstacle (such as a preceding vehicle), and the control technology for tightening the seat belt or operating the brake to avoid the collision is constant for the preceding vehicle. A control technology for following the vehicle while keeping the following distance is well known. For this reason, a radio wave radar unit having a millimeter wave radar or the like is disposed on the front end portion of the vehicle (forward in the center in the vehicle width direction). The radio wave radar unit is configured to be able to detect a distance from an obstacle ahead and to recognize a preceding vehicle.

  The front end part of the vehicle impresses the design of the vehicle, and is an important part from the viewpoint of design and merchandise. Therefore, in the vehicle where the radio radar unit is arranged in the front end part, the radio radar unit In addition, in a vehicle where an exterior part such as an emblem with a unique mark such as an emblem is attached to the front end part, the exterior part is disposed on the front side of the radio wave radar unit. The radio radar unit can be concealed by the exterior parts.

  By the way, for exterior parts such as vehicle emblems, the design part (mark part) is glossy and stands out from the other parts to enhance the design, but this exterior part is located on the front side of the radio wave radar unit. In the case of being arranged in the case, it is necessary to make it excellent in radio wave permeability. Here, Patent Document 1 discloses an exterior part made of an emblem of a vehicle that has gloss and enhances designability and is excellent in radio wave permeability.

  As shown in FIG. 8, the exterior component 100 includes a base member 101 made of synthetic resin, a design portion 102 provided on the front surface side of the base member 101, and a transparent synthetic covering the base member 101 and the design portion 102. And a resin surface layer member 103. In the design portion 102, a convex portion 101a is formed on the base member 101, a concave portion 103a is formed on the surface layer member 103, and a metal film 104 made of indium having excellent radio wave permeability is formed on the back end surface of the concave portion 103a. The front surface (metal film 104) of the portion 102 is formed flat.

  A masking coating film 105 is formed on the back surface of the metal film 104, an acrylic black coating film 106 is formed on the back surface of the masking coating film 105 and the entire back surface of the surface layer member 103, and the front surface of the base member 102 and the black coating film 106. The back surface of the substrate is bonded with an adhesive 107. The metal film 104 is formed by first depositing a metal film on the recess 103a and the entire back surface of the surface layer member 103, and then forming a masking coating film 105 and then a metal other than the back surface of the masking coating film 105. It is formed by peeling and removing the film.

  On the other hand, the inventor of the present application examined the practical application of an exterior part having a structure as shown in FIG. The exterior component 200 includes a base member 201, a design portion 202, and a surface layer member 203. In the design portion 202, a protrusion 201a is formed on the base member 201, and a groove portion 203a is formed on the surface layer member 203. A metal film 204 is formed on the surface, and the design portion 202 is tapered in cross section. A metal film is formed on the entire front surface including the protrusion 201a of the base member 201. A black coating film 205 is formed on the entire front surface of the metal film other than the design portion 202, and only the metal film 204 on the surface of the protrusion 201a is formed. The surface layer member 203 is exposed.

JP 2002-135030 A

  In the exterior component described in Patent Document 1 of FIG. 8, the design portion is formed in a convex shape forward, a glossy metal film is formed on the front surface, and this design portion is emphasized by the background of the black coating film, Since the black coating film is formed on the entire back side of the surface layer member, the metal film is further formed by vapor-depositing the metal film on the entire back side of the surface layer member, and then a masking coating film is formed. Since the metal film other than the back surface of the masking coating film is peeled and removed, the manufacturing cost is increased, and the front surface (metal film) of the design portion is formed flat. There is a limit to enhancing the three-dimensional effect, and the design of the design part itself is also limited.

  On the other hand, in the exterior part examined by the inventor of FIG. 9, the design portion protrudes forward and is formed in a tapered shape in cross section, so that the stereoscopic effect of the design portion is enhanced. However, since a metal film is formed on the entire front surface including the protrusions of the base member, and a black coating film is formed on the entire front surface other than the design portion of the metal film, there is a problem that the manufacturing cost increases. In particular, since the metal film is formed on the surface of the tapered design portion in the cross section, there is a problem that the black coating film is reflected on the inclined metal film and the design portion (metal film) looks dark. .

  The object of the present invention is to prevent the function of the radio wave radar unit disposed on the rear side from interfering with the function of the radio wave radar unit. Another object of the present invention is to provide an exterior part for a vehicle that can be made excellent in design, reduce manufacturing costs, and further enhance the three-dimensional effect of the design part to make it very excellent in design.

  The exterior part of the vehicle according to claim 1 is an exterior part disposed on a front side of a radio wave radar unit disposed in a front end portion of the vehicle, and a black base member mainly formed of a synthetic resin material; A design member fixed to a surface portion of a base member, the design member having a light-transmitting design main body and a radio wave-transmitting design film formed on the back surface of the design main body, and the base member And a transparent synthetic resin surface layer member covering the design member.

  In this exterior part, since the design member has a design body having light permeability and a design film having radio wave permeability, the base member is mainly formed of a synthetic resin material, and the surface layer member is made of a synthetic resin. Therefore, it is configured so as not to hinder the function of the radio wave radar unit arranged on the rear side. The color of the design film formed on the back surface of the design body appears to float on the surface of the design body, and the three-dimensional effect of the design member is enhanced, and this design member is fixed to the surface portion of the black base member So it is complemented by its black background. The design film is formed flat on the back surface of the design body, and in particular, it is formed in parallel with the front surface of the base member. Therefore, the improvement of the three-dimensional effect of the design member is ensured, and the base member and the design member are covered with the transparent surface layer member, so the texture of the exterior parts is also improved, and the design property is very excellent. Become.

Here, the following configuration can be adopted as the conventional claim of claim 1.
The refractive index of the design body and the refractive index of the surface layer member are made different (claim 2). The design main body has a rear end portion fitted and fixed in a recess formed in the base member, protrudes forward, and is formed in a tapered shape in cross section (Claim 3).

  The design film is made of a metallic design film having gloss. The design film is made of a metal made of any one of indium, chromium, tin, aluminum, and gold. The said design film | membrane is formed by vapor-depositing the said metal on the back surface of a design main body (Claim 6). The design film is made of a glossy silicon design film.

  According to the vehicle exterior part of claim 1, a black base member formed mainly of a synthetic resin material, a design member fixed to a surface portion of the base member, a base member, and a transparent composite covering the design member A surface layer member made of resin is provided, and the design member has a design body having light permeability and a design film having radio wave permeability formed on the back surface of the design body. Therefore, the exterior component can be configured so as not to interfere with the function of the radio wave radar unit disposed on the rear side, and the color of the design film formed on the back surface of the design body is floated on the surface of the design body. It is possible to enhance the three-dimensional appearance of the design member and also enhance the design of the design member itself, and this design member can be emphasized by a black background, omitting the conventional black paint, Since the design film can be achieved only by forming the design film on the back surface of the design body, the manufacturing cost can be reduced. Moreover, the design film is formed flat on the back surface of the design body, and in particular, by forming it parallel to the front surface of the base member, the black base member is reflected on the design film, and the design member (design film) is dark. Since it can prevent seeing, the improvement of the three-dimensional effect of a design member can be ensured, and since a texture can also be improved by a surface layer member, it can be made very excellent in design property.

  According to the vehicle exterior part of claim 2, since the refractive index of the design body and the refractive index of the surface layer member are made different, the color of the design film formed on the back surface of the design body is surely applied to the surface of the design body. It can be lifted and shown through the surface member.

  According to the vehicle exterior part of claim 3, the design body is formed to have a taper shape in cross section, with its rear end portion being fitted and fixed to a recess formed in the base member and projecting forward. The three-dimensional effect can be reliably increased, and the design member can be securely fixed to the base member.

  According to the vehicle exterior component of claim 4, the design film is made of a glossy metallic design film, so that the glossy color is raised on the surface of the design body, and the design member is displayed in a black background. Can be further enhanced.

  According to the exterior part of the vehicle of claim 5, since the design film is made of a metal made of any one of indium, chrome, tin, aluminum, and gold, the radio wave permeability of the design film is ensured, and the gloss color Can be shown reliably.

  According to the exterior part of the vehicle of the sixth aspect, the design film is formed by vapor-depositing metal on the back surface of the design body, so that the design film can be easily and reliably formed on the back surface of the design body.

  According to the vehicle exterior part of the seventh aspect, since the design film is made of a glossy silicon design film, the radio wave permeability of the design film can be secured and the gloss color can be surely shown.

  An exterior component of a vehicle according to the present invention is an exterior component disposed on the front side of a radio wave radar unit disposed at a front end portion of a vehicle, and includes a black base member mainly formed of a synthetic resin material, and a base A design member fixed to a surface portion of the member, the design member having a light-transmitting design main body and a radio wave-transmitting design film formed on the back surface of the design main body, a base member, and a design And a transparent synthetic resin surface layer member covering the member.

  As shown in FIG. 1, a front bumper 3 and a front grill 4 are provided in a front end portion 2 of an automobile 1, and a radio wave radar unit 5 is disposed at a central portion of the front grill 4. An emblem 6 as an exterior part is disposed on the top.

  The radio wave radar unit 5 has a millimeter wave radar or the like that transmits and receives radio waves. In the automobile 1, there is room for a collision with a front obstacle (such as a preceding vehicle), and the seat belt is tightened or the brake is operated. It is equipped to perform control for avoiding collisions and control to follow the vehicle with a certain distance between the preceding vehicles.

  As shown in FIGS. 2 to 4, the emblem 6 has a unique mark such as an emblem (design member 20 to be described later, here “A”), for example, as shown in the front view. It is formed in a circular shape and is made of a material having radio wave permeability so as not to hinder the function of the radio wave radar unit 5 (does not attenuate radio waves transmitted / received by the radio wave radar unit 5).

The emblem 6 will be described in detail.
As shown in FIGS. 2 to 4, the emblem 6 includes a black base member 10, a design member 20 fixed to a surface portion (front surface portion) of the base member 10, and surfaces of the base member 10 and the design member 20. And a transparent surface layer member 30 that covers the (front surface).

  The base member 10 is mainly composed of a synthetic resin (for example, acrylonitrile / butadiene / styrene copolymer) material, for example, a material obtained by mixing the synthetic resin material with a pigment such as carbon black, and is formed into a disk shape by injection molding. In the front portion of the base member 10, a concave portion 11 into which the rear end portion of the design member 20 is fitted is formed in a front open shape.

  The design member 20 includes a design main body 21 having optical transparency and a design film 25 having radio wave permeability formed on the back surface of the design main body 21, and the rear end portion of the design member 20 is the base member 10. The recessed end 11 of the base member 10 and the back surface of the design film 25 are bonded to each other by the adhesive 26 so that the design member 20 projects forward from the base member 10 and forwards in cross section. It is formed in a tapered shape.

  The design body 21 constitutes most of the design member 20 and is made of a transparent synthetic resin (for example, acrylic resin) material. The design main body 21 has a design main body rear part 22 formed in a cross-sectional rectangular shape with a constant width, and a design main body front part 23 formed in a triangular shape in a tapered shape forward, and the design main body rear part 22 is The design main body front portion 23 is protruded forward from the base member 10 by being fitted and fixed to the concave portion 11 of the base member 10.

  The design film 25 is made of a glossy metallic design film, and is formed on the entire back surface of the design body 21. The design film 25 is made of a metal made of any one of indium, chrome, tin, aluminum, and gold, and is formed by evaporating this metal on the back surface of the design body. Here, as the design film 25, it is preferable to apply an indium which is very excellent in millimeter wave radio wave transmission among the metals. Note that, as the design film 25, a glossy silicon design film may be applied instead of the glossy metallic design film.

  The surface layer member 30 is made of a synthetic resin (for example, polycarbonate resin) material, and the refractive index of the design body 21 of the design member 20 is different from the refractive index of the surface layer member 30. The surface layer member 30 is formed into a disk shape having the same diameter as the base member 10 by injection molding, and in this case, the surface layer member 30 is insert-molded and integrated with the design member 20 fixed to the surface portion of the base member 10 and the base member 10. That is, the surface layer member 30 is fixed to the front surface of the base member 10, and the design body front portion 23 of the design body 21 is fitted to form the groove portion 31 that is internally provided in the surface layer member 30, and the groove portion 31 is designed. It is fixed to the surface of the main body front portion 23.

Here, a method for manufacturing the emblem 6 will be described.
First, as shown in FIG. 5A, the design main body 21 of the design member 20 is injection-molded. Next, as shown in FIG. 5B, a metal film 25 is formed on the back surface of the design main body 21 by vapor deposition. Thus, the design member 20 is configured. Next, as illustrated in FIG. 5C, the base member 10 is injection molded, and an adhesive 26 is applied to the back surface of the design film 25 of the design member 20.

  Next, as shown in FIG. 5-4, the rear end portion of the design member 20 is fitted and fixed to the recess 11 of the base member 10, and the back surface of the design film 25 and the back of the recess 11 of the base member 10 are bonded by the adhesive 26. The end surface is bonded, and then, an integrated part of the base member 10 and the design member 20 is put into a predetermined insert molding die, the surface layer member 30 is insert-molded, and the surface layer member 30 is replaced with the base member 10 and the design member 20. And the emblem 6 of FIG.

  The adhesive 26 may be applied not to the back surface of the design film 25 of the design member 20 but to the back end surface of the recess 11 of the base member 10. In addition, since the surface layer member 30 can be integrated with the base member 10 and the design member 20 by insert molding, and the design member 20 can also be fixed securely, the adhesive 26 (in the manufacturing method, the adhesive 26 The application step) may be omitted. Alternatively, the surface layer member 30 may be injection molded alone without being insert-molded, and the surface layer member 30 may be bonded to the base member 10 with an adhesive.

  According to the emblem 6 described above, the black base member 10 formed mainly of a synthetic resin material, the design member 20 fixed to the surface portion of the base member 10, the base member 10, and the transparent covering the design member 20 The design member 20 includes a design main body 21 having light transmittance and a design film 25 having radio wave permeability formed on the back surface of the design main body 21.

  Therefore, the emblem 6 can be configured so as not to hinder the function of the radio wave radar unit 5 disposed on the rear side, and the color of the design film 25 formed on the back surface of the design body 21 is changed to the surface of the design body 21. The design member 20 itself is enhanced in design, and the design member 21 can be enhanced by a black background. Since the painting can be omitted and the design film 25 can be formed only on the back surface of the design body 21, the manufacturing cost can be reduced.

  Moreover, the design film 25 is formed flat on the back surface of the design body 21, and in particular, by forming the design film 25 in parallel with the front surface of the base member 10, the black base member 10 is reflected in the design film 25, and the design member 20. Since it is possible to prevent the (design film 25) from appearing dark, the improvement of the three-dimensional effect of the design member 20 can be ensured, and the texture can be enhanced by the surface layer member 30, so that the design property is extremely excellent. it can.

  Since the refractive index of the design main body 21 and the refractive index of the surface layer member 30 are made different, the color of the design film 25 formed on the back surface of the design main body 21 is surely floated on the surface of the design main body 21 and the surface layer member 30. Can show through. Since the design main body 21 is fitted and fixed to the concave portion 11 formed in the base member 10 at the rear end and protrudes forward, and is formed in a tapered shape in cross section, the three-dimensional effect of the design member 20 is surely enhanced, In addition, the design member 20 can be reliably fixed to the base member 10.

  Since the design film 25 is made of a glossy metallic design film, the design member 20 can be further enhanced by the black background by showing the glossy color floating on the surface of the design body 21. Since the design film 25 is made of a metal made of any one of indium, chrome, tin, aluminum, and gold, the radio wave permeability of the design film 25 can be secured and the gloss color can be surely shown. Since the design film 25 is formed by vapor deposition on the back surface of the design body 21, the design film 25 can be easily and reliably formed on the back surface of the design body 21.

  Here, even when a glossy silicon design film is applied as the design film 25 in place of the glossy metal design film, the design film 25 ensures radio wave transparency and ensures a glossy color. Can show.

  As shown in FIG. 6, the emblem 6 </ b> A as the exterior component includes a black base member 40, a design member 50 fixed to the surface portion (front surface portion) of the base member 40, the base member 40, and the design member 50. And a transparent surface layer member 60 that covers the surface (front surface).

  The base member 40 is slightly thinner than the base member 10 of the first embodiment, and the base member 40 has a recess 41 that is shallower than the recess 11 of the base member 10 of the first embodiment. . The design member 50 has the same structure as the design member 20 of the first embodiment, and includes a design main body 51 and a design film 55, and the design main body 51 includes a design main body rear portion 52 and a design main body front portion 53.

  However, only the rear end portion of the design main body rear portion 52 of the design main body 51 is fitted and fixed to the concave portion 41 of the base member 40, and the rear end surface of the concave portion 41 and the back surface of the design film 55 are bonded with an adhesive 56. . That is, portions other than the rear end portion of the design main body rear portion 52 together with the design main body front portion 53 of the design main body 51 are embedded in the surface layer member 60, thereby further enhancing the three-dimensional effect of the design member 50 and designing the design member 50. The nature is further enhanced.

  Correspondingly, the surface layer member 60 is formed to be slightly thicker than the thickness of the surface layer member 30 of the first embodiment, and a portion other than the design body front portion 53 and the rear end portion of the design body rear portion 52 is fitted. A groove portion 61 is formed, and the groove portion 61 is fixed to a portion other than the design body front portion 53 and the rear end portion of the design body rear portion 52. Further, the front surface of the base member 40 and the back surface of the surface layer member 60 are bonded with an adhesive 57.

Here, a method for manufacturing the emblem 6A will be described.
First, in the same manner as in FIGS. 5A and 5B of the first embodiment, the design body 51 of the design member 50 is injection-molded, and a metal film 55 is deposited on the back surface of the design body 51 to form the design member 50. Constitute.

  Next, as shown in FIG. 7A, the design member 50 is put in a predetermined insert molding die, the surface layer member 60 is insert-molded, and the surface layer member 60 is integrated with the design member 50. Next, as shown in FIG. 7-2, while the base member 40 is injection-molded, adhesives 56 and 57 are applied to the back surface of the design film 55 of the design member 50 and the back surface of the surface layer member 60, and the design member The rear end portion of 50 is fitted and fixed to the recess 41 of the base member 40, and the back surface of the design film 55 and the back end surface of the recess 41 of the base member 40 are bonded by the adhesive 56 with the adhesive 56. 6 and the back surface of the surface layer member 60 are bonded together with an adhesive 57 to constitute the emblem 6A of FIG.

  The adhesives 56 and 57 may be applied not to the back surface of the design film 55 of the design member 50 and the back surface of the surface layer member 60 but to the back end surface of the recess 11 of the base member 10 and the front surface of the base member 10. As in the first embodiment, first, the design member 50 may be fixed to the base member 40 and then the surface layer member 60 may be insert-molded. In this case, the adhesives 56 and 57 can be omitted. Further, the emblem 6 of the first embodiment may be manufactured like the emblem 6A of the second embodiment.

  In addition, various modifications can be added without departing from the spirit of the present invention. For example, the size and shape of the emblem (base member, design member (design body, design film), surface layer member) can be arbitrarily set. In addition, the present invention can be applied to various exterior parts other than the emblem as an exterior part disposed on the front side of the radio wave radar unit, and can also be applied to various vehicles other than automobiles. .

1 is a front view of an automobile provided with an emblem as an exterior part of Example 1. FIG. It is a perspective view of an emblem. It is a disassembled perspective view of an emblem. It is the IV-IV sectional view taken on the line of FIG. It is sectional drawing of the design main body of a design member. It is sectional drawing of a design member. It is an exploded sectional view of a base member and a design member. It is sectional drawing of a base member and a design member. FIG. 5 is a diagram corresponding to FIG. 4 of the emblem of Example 2. It is sectional drawing of a design member and a surface layer member. It is an exploded sectional view of a base member, a design member, and a surface layer member. It is principal part sectional drawing of the conventional emblem. It is principal part sectional drawing of another conventional emblem.

Explanation of symbols

1 Car 2 Front End 5 Radio Radar Unit 6, 6A Emblem (Exterior parts)
10, 40 Base member 20, 50 Design member 21, 51 Design body 25, 55 Design film 30, 60 Surface layer member

Claims (7)

In the exterior parts disposed on the front side of the radio wave radar unit disposed in the front end portion of the vehicle,
A black base member formed mainly of a synthetic resin material;
A design member fixed to a surface portion of the base member, and a design member having a design body having light permeability and a design film having radio wave permeability formed on the back surface of the design body,
A surface layer member made of a transparent synthetic resin covering the base member and the design member;
A vehicle exterior part characterized by comprising:   The vehicle exterior component according to claim 1, wherein a refractive index of the design body and a refractive index of the surface layer member are made different.   3. The vehicle according to claim 1, wherein a rear end portion of the design main body is fitted and fixed in a recess formed in a base member, protrudes forward, and has a tapered shape in cross section. Exterior parts.   The vehicle exterior component according to any one of claims 1 to 3, wherein the design film is made of a metallic design film having gloss.   The vehicle exterior component according to claim 4, wherein the design film is made of a metal made of any one of indium, chromium, tin, aluminum, and gold.   The vehicle exterior component according to claim 5, wherein the design film is formed by vapor-depositing the metal on a back surface of a design main body.   The vehicle exterior component according to claim 1, wherein the design film is made of a glossy silicon design film.