Component for vehicle and manufacturing method for component for vehicle

Abstract

To make it possible to suppress blurring visibility of a boundary between a coated film layer formed on an outer wall surface of a base part and a buried resin part in a component for vehicle equipped with a buried resin part buried in an opening of the base part.SOLUTION: An exterior component 1 for a vehicle installed in a vehicle includes: a resin base part 5 having an opening 5a; a coated film 6 which is laminated and formed on an outer wall surface 5b of the base part 5 and has a coated film opening 6a exposing the opening 5a of the base part 5; and a buried transparent resin part 7 burying the opening 5a of the base part 5 and the coated film opening 6a.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a vehicle part and a method for manufacturing a vehicle part. [Background technology]

[0002] For example, Patent Document 1 discloses a grill illumination to be mounted on a vehicle. The grill illumination disclosed in Patent Document 1 is attached to the front of the vehicle, for example, and illuminates the vehicle at night or the like. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-75283 Summary of the Invention [Problem to be solved by the invention]

[0004] Vehicle parts such as the grille illumination disclosed in Patent Document 1 significantly affect the vehicle's appearance. For this reason, a coating film layer is often formed on the exterior wall surface of the vehicle part. For example, such a coating film layer is formed by spraying paint onto the exterior wall surface of a base. However, in cases such as grille illumination, where an opening is formed in the base and a transparent resin different from the base is embedded in this opening, the sprayed paint may adhere to the edge of the transparent resin, causing the boundary between the transparent resin and the coating film layer to appear blurred. This is not limited to grille illumination, and other vehicle parts formed by embedding an embedded resin portion in an opening in the base may encounter similar problems when a coating film layer is formed by spraying paint onto the exterior wall surface of the base.

[0005] The present invention has been made in consideration of the above-mentioned problems, and aims to prevent the boundary between the coating film layer formed on the outer wall surface of the base and the embedded resin part from appearing blurred in a vehicle part that has an embedded resin part embedded in an opening in the base. [Means for solving the problem]

[0006] The present invention employs the following configuration as a means for solving the above problems.

[0007] A first aspect of the present invention is a vehicle part to be installed in a vehicle, comprising: a resin base having an opening; a coating layer laminated on an outer wall surface of the base and having a coating opening that exposes the opening in the base; and an embedded resin part that embeds the opening in the base and the coating opening.

[0008] A second aspect of the present invention is the first aspect, wherein the surface of the embedded resin portion exposed at the coating opening is flush with the surface of the coating layer.

[0009] A third aspect of the present invention employs a configuration in which, in the first or second aspect, the embedded resin portion is formed from a transparent resin that is capable of transmitting visible light.

[0010] A fourth aspect of the present invention is a method for manufacturing a vehicle part to be installed in a vehicle, which includes a base forming step of molding a resin base having an opening by injection molding, a coating layer forming step of forming a coating layer having a coating opening that exposes the opening on the outer wall surface of the base inside a mold, and an embedded resin part forming step of forming an embedded resin part that embeds the opening of the base and the coating opening. [Effects of the Invention]

[0011] According to the present invention, the embedded resin portion is formed so as to embed the opening of the base and the coating opening of the coating layer. According to the present invention, there is no portion where the coating layer covers the embedded resin portion, and the boundary between the embedded resin portion and the coating layer can be clearly defined. Therefore, according to the present invention, it is possible to prevent the boundary between the coating layer formed on the outer wall surface of the base and the embedded resin portion from being blurred. [Brief explanation of the drawings]

[0012] [Figure 1] 1 is a schematic front view of a vehicle equipped with a vehicle exterior part according to an embodiment of the present invention. [Figure 2] 1 is a schematic cross-sectional view of an exterior vehicle part according to an embodiment of the present invention. [Figure 3] 1A and 1B are schematic diagrams illustrating a method for manufacturing a vehicle exterior part according to an embodiment of the present invention. [Figure 4] 1A and 1B are schematic diagrams illustrating a method for manufacturing a vehicle exterior part according to an embodiment of the present invention. [Figure 5] 1A and 1B are schematic diagrams illustrating a method for manufacturing a vehicle exterior part according to an embodiment of the present invention. [Figure 6] 1A and 1B are schematic diagrams illustrating a method for manufacturing a vehicle exterior part according to an embodiment of the present invention. [Figure 7] 1A and 1B are schematic diagrams illustrating a method for manufacturing a vehicle exterior part according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0013] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vehicle part and a method for manufacturing a vehicle part according to the present invention will now be described with reference to the drawings.

[0014] Fig. 1 is a schematic front view of a vehicle 10 equipped with a vehicle exterior part 1 (vehicle part) according to the first embodiment. As shown in Fig. 1, the vehicle 10 is equipped with an openable hood H arranged below a windshield G, headlamps L arranged spaced apart on the left and right below the hood H, and a front bumper B arranged below the headlamps L. Note that the vehicle parts mounted on the vehicle 10 in this embodiment are just an example, and other vehicle parts can be mounted on the vehicle 10.

[0015] The vehicle exterior part 1 of this embodiment is provided on a vehicle 10 that does not require or requires little outside air to be taken into the hood H, such as an electric vehicle. However, the vehicle exterior part 1 of this embodiment may also be provided on a vehicle 10 in which an internal combustion engine is installed below the hood H. The vehicle exterior part 1 of this embodiment allows a person outside the vehicle 10 to see the decorative pattern P. As shown in FIG. 1 , the decorative pattern P of this embodiment is made up of three strip-shaped patterns that each extend in the vehicle width direction and are arranged parallel to each other. However, the shape of the decorative pattern P is not particularly limited. The decorative pattern P may be, for example, a mark or a letter.

[0016] In this embodiment, as shown in Fig. 1, the vehicle exterior part 1 is disposed below the hood H, above the front bumper B, and between the left and right headlamps L. However, the location where the vehicle exterior part 1 is disposed is not particularly limited.

[0017] 2 is a schematic cross-sectional view of the vehicle exterior part 1 of this embodiment. As shown in FIG. 2, the vehicle exterior part 1 of this embodiment includes a support frame 2, a light-emitting unit 3, and a panel 4.

[0018] The support frame 2 is a member fixed to a vehicle body (not shown), and supports the light emitting unit 3 and the panel 4, as shown in Fig. 2. In this embodiment, the support frame 2 is formed in a shape having a recess 2a that is recessed from the outside toward the inside of the vehicle 10. In other words, the recess 2a is formed in a box shape that is open toward the outside of the vehicle 10. Such a support frame 2 is made of resin, and has a plurality of locking claws 2b that are locked to the vehicle body (not shown).

[0019] The light-emitting unit 3 is fixed to the bottom of the recess 2a of the support frame 2, and can be turned on and off under the control of a control device (not shown). When turned on by the control device, the light-emitting unit 3 emits light toward the open end of the recess 2a. In the following description, the light emitted from the light-emitting unit 3 is referred to as visible light La. For example, the light-emitting unit 3 includes a printed wiring board and a plurality of LED (light-emitting diode) elements mounted on the printed wiring board.

[0020] In the vehicle exterior part 1 of this embodiment, the panel 4 is disposed opposite the light-emitting unit 3. A space is formed between the light-emitting unit 3 and the panel 4. Visible light La emitted from the light-emitting unit 3 is emitted from the light-emitting unit 3 toward the panel 4.

[0021] The panel 4 is a member for forming a decorative pattern P that is visible from outside the vehicle 10. As shown in Fig. 1, the panel 4 includes a base 5, a coating layer 6, and an embedded transparent resin portion 7 (embedded resin portion).

[0022] The base 5 is made of resin and supports the coating layer 6 and the embedded transparent resin portion 7. As shown in FIG. 1, the base 5 is joined to the support frame 2. The base 5 has an opening 5a that has the same shape as one of the band-shaped patterns included in the decorative pattern P when viewed from the front. Since the decorative pattern P includes three band-shaped patterns, the base 5 has three openings 5a. Each opening 5a is provided so as to penetrate the base 5. In other words, each opening 5a is connected to an outer wall surface 5b and an inner wall surface 5c of the base 5.

[0023] The coating film layer 6 is laminated on the outer wall surface 5b of the base 5 and is formed by drying paint. Like the base 5, the coating film layer 6 has an opening (coating film opening 6a) that has the same shape as one of the band-shaped patterns included in the decorative pattern P when viewed from the front. Since the decorative pattern P includes three band-shaped patterns, the coating film layer 6 has three coating film openings 6a. Each coating film opening 6a is provided so as to penetrate the coating film layer 6. In other words, each coating film opening 6a is connected to the outer surface 6b (surface) and inner surface 6c of the coating film layer 6.

[0024] Each of these coating film openings 6a is arranged to coincide with the opening 5a of the base 5 in a front view. That is, the coating film openings 6a are formed so that their shape in a front view is the same as the shape of the opening 5a of the base 5. The coating film openings 6a expose the openings 5a of the base 5.

[0025] The embedded transparent resin portion 7 is a member made of transparent resin that embeds the opening 5a of the base portion 5 and the coating opening 6a of the coating layer 6. The embedded transparent resin portion 7 is formed of, for example, an acrylic resin. However, in the present invention, a colored embedded resin portion may be provided instead of the embedded transparent resin portion 7.

[0026] 1, the embedded transparent resin portion 7 has a base portion 7a fixed to the inner wall surface 5c of the base portion 5, and three protrusions 7b protruding from the base portion 7a. Each of the protrusions 7b protrudes from the base portion 7a toward the opposite side of the support frame 2, and each of the protrusions 7b fills the opening 5a and the coating film opening 6a. More specifically, one protrusion 7b is inserted into the overlapping opening 5a and the coating film opening 6a, and one protrusion 7b fills the internal space between the overlapping opening 5a and the coating film opening 6a.

[0027] The tip surface 7b1 of each protrusion 7b is exposed by the coating opening 6a. That is, the tip surface 7b1 of each protrusion 7b is the surface exposed at the coating opening 6a of the embedded transparent resin portion 7. Such tip surface 7b1 and the outer surface 6b of the coating layer 6 are flush with each other. That is, no step is formed at the boundary between the tip surface 7b1 of the embedded transparent resin portion 7 and the outer surface 6b of the coating layer 6.

[0028] The embedded transparent resin portion 7 is capable of transmitting visible light La emitted from the light-emitting unit 3. Therefore, the visible light La emitted from the light-emitting unit 3 passes through the protrusion 7b of the embedded transparent resin portion 7, and is emitted from the internal space of the vehicle exterior part 1 to the outside. In other words, the visible light La passes through the opening 5a of the base 5 and the coating opening 6a of the coating layer 6, and is emitted from the internal space of the vehicle exterior part 1 to the outside. In this way, when the visible light La is emitted from the opening 5a and the coating opening 6a, the decorative pattern P appears to be glowing to a person outside the vehicle exterior part 1.

[0029] Next, a method for manufacturing the vehicle exterior part 1 of this embodiment will be described with reference to FIGS.

[0030] First, as shown in Fig. 3, a mold 20 for forming the base 5 is prepared. The mold 20 has a core mold 21 and a cavity mold 22. The core mold 21 and the cavity mold 22 are separable. An internal space (cavity space) that matches the shape of the base 5 is formed between the core mold 21 and the cavity mold 22.

[0031] Next, as shown in Fig. 4, molten resin is supplied into the internal space of the mold 20 and then cooled to form the base 5. That is, the base 5 is formed by injection molding using the mold 20. The step shown in Fig. 4 is a base formation step in which the base 5 made of resin and having the opening 5a is formed by injection molding.

[0032] 5, the cavity mold 22 of the mold 20 is changed to a cavity mold 23 for forming a coating film. The cavity mold 23 for forming a coating film is a cavity mold that can form an internal space (cavity space) for forming the coating film layer 6 inside the mold 20. By fitting this cavity mold 23 for forming a coating film to the core mold 21 to which the base 5 is fixed, an internal space for forming the coating film layer 6 is formed inside the mold 20.

[0033] Next, as shown in Fig. 6, paint is supplied into the internal space of the mold 20 and then dried to form the coating layer 6. That is, the coating layer 6 is formed by in-mold coating using the mold 20. The step shown in Fig. 6 is a coating layer formation step in which the coating layer 6 having the coating opening 6a that exposes the opening 5a of the base 5 is formed on the outer wall surface 5b of the base 5 inside the mold 20.

[0034] Next, as shown in Fig. 7, an embedded transparent resin portion 7 is formed. For example, the embedded transparent resin portion 7 can be formed by insert molding, in which the molded body formed by integrating the base 5 and the coating layer 6 in the step shown in Fig. 6 is placed inside a mold (not shown), and a material for forming the embedded transparent resin portion 7 is supplied into the mold. The step shown in Fig. 7 is an embedded transparent resin portion forming step (embedded resin portion forming step) for forming the embedded transparent resin portion 7 that fills the opening 5a of the base 5 and the coating opening 6a of the coating layer 6.

[0035] 7, the embedded transparent resin portion 7 is formed so that the surface (tip surface 7b1) of the embedded transparent resin portion 7 exposed at the coating opening 6a is flush with the surface (outer surface 6b) of the coating layer 6. Furthermore, in the embedded transparent resin portion forming step, the embedded transparent resin portion 7 is formed from a transparent resin that is capable of transmitting visible light.

[0036] 3 to 7, the panel 4 is formed. After that, the support frame 2, to which the light emitting unit 3 is attached, is joined to the panel 4, thereby manufacturing the vehicle exterior part 1 of this embodiment.

[0037] The vehicle exterior part 1 of this embodiment as described above is a vehicle part that is installed on a vehicle 10. The vehicle exterior part 1 of this embodiment includes a base 5, a coating layer 6, and an embedded transparent resin part 7. The base 5 is made of resin and has an opening 5a. The coating layer 6 is formed by being laminated on the outer wall surface 5b of the base 5. The coating layer 6 has a coating opening 6a that exposes the opening 5a of the base 5. The embedded transparent resin part 7 embeds the opening 5a of the base 5 and the coating opening 6a.

[0038] According to the vehicle exterior part 1 of this embodiment, the embedded transparent resin part 7 is formed so as to embed the opening 5a of the base 5 and the coating opening 6a of the coating layer 6. Therefore, according to the vehicle exterior part 1 of this embodiment, there is no portion where the coating layer 6 covers the embedded transparent resin part 7, making it possible to clearly define the boundary between the embedded transparent resin part 7 and the coating layer 6. Therefore, according to the vehicle exterior part 1 of this embodiment, it is possible to prevent the boundary between the coating layer 6 formed on the outer wall surface 5b of the base 5 and the embedded transparent resin part 7 from being blurred and visible.

[0039] Furthermore, in the vehicle exterior part 1 of this embodiment, the surface (tip surface 7b1) of the embedded transparent resin part 7 exposed at the coating opening 6a is flush with the surface (outer surface 6b) of the coating layer 6. With this vehicle exterior part 1 of this embodiment, the outer surface of the panel 4 can be made smooth with few steps. Therefore, the vehicle exterior part 1 of this embodiment can improve the appearance impression.

[0040] Furthermore, in the vehicle exterior part 1 of this embodiment, the embedded transparent resin part 7 is formed of a transparent resin that is capable of transmitting visible light. Therefore, according to the vehicle exterior part 1 of this embodiment, visible light La can pass through the opening 5a of the base 5 and the coating opening 6a of the coating layer 6. Therefore, the decorative pattern P can be visually recognized as shining from the outside of the vehicle exterior part 1 of this embodiment.

[0041] The vehicle exterior part 1 of this embodiment also includes a light-emitting unit 3. The light-emitting unit 3 is located on the opposite side of the base 5 from the coating layer 6. The light-emitting unit 3 also emits visible light La that passes through the embedded transparent resin portion 7.

[0042] According to the vehicle exterior part 1 of this embodiment, the decorative pattern P can be visually recognized as shining from the outside by turning on the light emitting unit 3 without using external light or the like.

[0043] The manufacturing method of the vehicle exterior part 1 of this embodiment is a manufacturing method of the vehicle exterior part 1 to be installed on a vehicle 10. The manufacturing method of the vehicle exterior part 1 of this embodiment includes a base forming step, a coating layer forming step, and an embedded transparent resin part forming step. The base forming step is a step of molding a resin base 5 having an opening 5a by injection molding. The coating layer forming step is a step of forming a coating layer 6 having a coating opening 6a that exposes the opening 5a on the outer wall surface 5b of the base 5 inside the mold 20. The embedded transparent resin part forming step is a step of forming an embedded transparent resin part 7 that embeds the opening 5a of the base 5 and the coating opening 6a.

[0044] According to the manufacturing method of the vehicle exterior part 1 of this embodiment, the embedded transparent resin part 7 is formed so as to embed the opening 5a of the base 5 and the coating opening 6a of the coating layer 6. As a result, no portion of the embedded transparent resin part 7 is covered by the coating layer 6, making it possible to clearly define the boundary between the embedded transparent resin part 7 and the coating layer 6. Therefore, according to the manufacturing method of the vehicle exterior part 1 of this embodiment, it is possible to prevent the boundary between the coating layer 6 formed on the outer wall surface 5b of the base 5 and the embedded transparent resin part 7 from being blurred and visible.

[0045] In addition, in the manufacturing method of the vehicle exterior part 1 of this embodiment, in the embedded transparent resin part formation process, the embedded transparent resin part 7 is formed so that the surface of the embedded transparent resin part 7 exposed at the coating opening 6a is flush with the surface of the coating layer 6.

[0046] According to the manufacturing method of the vehicle exterior part 1 of this embodiment, it is possible to make the outer surface of the panel 4 a smooth surface with few steps. Therefore, according to the manufacturing method of the vehicle exterior part 1 of this embodiment, it is possible to improve the appearance impression of the vehicle exterior part 1.

[0047] Furthermore, in the method for manufacturing the vehicle exterior part 1 of this embodiment, the embedded transparent resin part 7 is formed from a transparent resin that can transmit visible light La in the embedded transparent resin part formation step. Therefore, according to the method for manufacturing the vehicle exterior part 1 of this embodiment, visible light La can pass through the opening 5a of the base 5 and the coating opening 6a of the coating layer 6. Therefore, according to the method for manufacturing the vehicle exterior part 1 of this embodiment, the decorative pattern P of the vehicle exterior part 1 can be visually recognized as shining from the outside.

[0048] While the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, it goes without saying that the present invention is not limited to the above-described embodiments. The shapes and combinations of the components shown in the above-described embodiments are merely examples, and various modifications can be made based on design requirements, etc., without departing from the spirit of the present invention.

[0049] For example, in the above embodiment, the vehicle part is described as a vehicle exterior part 1. However, the present invention is not limited to this. For example, the present invention can also be applied to vehicle interior parts and their manufacturing methods.

[0050] In the above embodiment, a configuration including an embedded transparent resin portion 7 made of transparent resin has been described. However, the present invention is not limited to this, and it is also possible to use an embedded resin portion made of a colored resin as described above. In such a case, it is possible to omit the light-emitting unit 3.

[0051] Furthermore, the present invention can employ the configurations described in the following supplementary notes.

[0052] (Appendix 1) A vehicle component to be installed in a vehicle, a resin base having an opening; a coating layer formed on the outer wall surface of the base and having a coating opening exposing the opening of the base; a resin embedding portion that embeds the opening of the base portion and the opening of the coating film; A vehicle part comprising:

[0053] (Appendix 2) 2. The vehicle component according to claim 1, wherein the surface of the embedded resin portion exposed at the coating opening is flush with the surface of the coating layer.

[0054] (Appendix 3) 3. The vehicle component according to claim 1, wherein the embedded resin portion is formed of a transparent resin that is capable of transmitting visible light.

[0055] (Appendix 4) 4. The vehicle component according to any one of claims 1 to 3, further comprising a light-emitting unit located on the opposite side of the base from the coating layer, the light-emitting unit emitting visible light that passes through the embedded resin portion.

[0056] (Appendix 5) A method for manufacturing a vehicle part to be installed in a vehicle, a base forming step of molding a resin base having an opening by injection molding; a coating layer forming step of forming a coating layer having a coating opening exposing the opening on the outer wall surface of the base inside the mold; a buried resin portion forming step of forming a buried resin portion that fills the opening of the base portion and the opening of the coating film; A method for manufacturing a vehicle part, comprising:

[0057] (Appendix 6) 6. The method for manufacturing a vehicle part according to claim 5, wherein in the embedded resin portion forming step, the embedded resin portion is formed so that the surface of the embedded resin portion exposed at the coating opening is flush with the surface of the coating layer.

[0058] (Appendix 7) 7. The method for manufacturing a vehicle component according to claim 5, wherein in the embedded resin portion forming step, the embedded resin portion is formed from a transparent resin that can transmit visible light. [Explanation of symbols]

[0059] 1... Vehicle exterior part (vehicle part), 2... Support frame, 3... Light-emitting unit, 4... Panel, 5... Base, 5a... Opening, 5b... Outer wall surface, 5c... Inner wall surface, 6... Coating layer, 6a... Coating opening, 6b... Outer surface (surface), 6c... Inner surface, 7... Embedded transparent resin part (embedded resin part), 7a... Base part, 7b... Protrusion, 7b1... Tip surface (surface), 10... Vehicle, 20... Mold, 21... Core mold, 22... Cavity mold, 23... Cavity mold for forming paint film, La... Visible light

Claims

1. A vehicle component to be installed in a vehicle, a resin base having an opening; a coating layer formed on the outer wall surface of the base and having a coating opening that exposes the opening of the base; a resin embedding portion that embeds the opening of the base portion and the opening of the coating film; A vehicle part comprising:

2. 2. The vehicle component according to claim 1, wherein a surface of the embedded resin portion exposed through the coating opening is flush with a surface of the coating layer.

3. 3. The vehicle component according to claim 1, wherein the embedded resin portion is made of a transparent resin that is capable of transmitting visible light.

4. A method for manufacturing a vehicle part to be installed in a vehicle, a base forming step of molding a resin base having an opening by injection molding; a coating layer forming step of forming a coating layer having a coating opening exposing the opening on the outer wall surface of the base inside the mold; a buried resin portion forming step of forming a buried resin portion that fills the opening of the base portion and the opening of the coating film; A method for manufacturing a vehicle part, comprising:

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