WO2021085432A1

WO2021085432A1 - Roof panel and vehicle roof structure

Info

Publication number: WO2021085432A1
Application number: PCT/JP2020/040297
Authority: WO
Inventors: 英明坪井; 悠希堀ノ内
Original assignee: 昭和電工マテリアルズ株式会社
Priority date: 2019-10-28
Filing date: 2020-10-27
Publication date: 2021-05-06
Also published as: JP7318724B2; JPWO2021085432A1

Abstract

A vehicular roof panel wherein this roof panel comprises a panel substrate formed from a resin and a decorative panel removably mounted on an outer surface of the panel substrate.

Description

Roof panel and vehicle roof structure

This disclosure relates to roof panels and vehicle roof structures.

Conventionally, when the roof was colored differently from the car body for the purpose of decorating an automobile, it was realized by painting the roof. However, since the painting process is different from that of a normal production line, it takes a long time to manufacture and the cost is high. Therefore, as a method of coloring the roof with a different color by a method other than painting, for example, in Japanese Patent Application Laid-Open No. 2018-196945, a decorative film material is adhered to the surface of the roof panel of a vehicle with a hot melt adhesive.

By the way, in the roof panel disclosed in Patent Document 1, a thermoplastic resin such as a hot melt adhesive that is heat-melted or cooled and cured is applied to the entire back surface of the decorative film material, and the decorative film material is applied to the surface of the roof panel. It is pasted. Therefore, it is difficult to remove the decorative film material from the roof panel and replace it with another decorative film material.

Therefore, it is an object of the present disclosure to provide a roof panel and a vehicle roof structure whose decoration can be easily changed.

Means for solving the above problems include the following embodiments.
<1>
A roof panel for vehicles
Panel base material made of resin and
A decorative panel that is detachably attached to the outer surface of the panel base material,
Roof panel with.
<2>
A plurality of recesses formed on the outer surface of the panel base material are filled with a thermoplastic resin.
The roof panel according to <1>, wherein the decorative panel and the panel base material are joined by the thermoplastic resin.
<3>
The roof panel according to <1> or <2>, wherein the panel base material has a mark for positioning the decorative panel on the outer surface.
<4>
The roof panel according to <3>, wherein the mark is a concave portion or a convex portion provided on the outer surface of the panel base material.
<5>
The roof panel according to any one of <1> to <4> constituting the roof portion of the vehicle, and
A ceiling interior material having an interior base material that constitutes the roof portion and is made of resin, and a decorative panel for vehicle interior that is detachably attached to the inner surface of the interior base material.
Vehicle roof structure with.
<6>
A plurality of recesses formed on the inner surface of the interior base material are filled with a thermoplastic resin.
The vehicle roof structure according to <5>, wherein the decorative panel for vehicle interior and the interior base material are joined by the thermoplastic resin.
<7>
The vehicle roof structure according to <5> or <6>, wherein the interior base material has a mark for positioning the decorative panel for vehicle interior on the inner surface.
<8>
The vehicle roof structure according to <7>, wherein the positioning mark of the decorative panel for the interior of the vehicle is a concave portion or a convex portion provided on the inner surface of the interior base material.
<9>
The vehicle roof structure according to <5>, wherein the decorative panel for the interior of the vehicle and the interior base material are joined by a hook-and-loop fastener.

According to the present disclosure, it is possible to provide a roof panel and a vehicle roof structure whose decoration can be easily changed.

It is a side view of the roof panel and the vehicle roof structure of one Embodiment of this disclosure. It is an enlarged view of the part pointed out by the arrow 2 of FIG. It is an enlarged view of the part pointed out by the arrow 3 of FIG. It is an enlarged view of the part pointed out by the arrow 4 of FIG. It is a side view of the roof panel of another embodiment of this disclosure. It is a side view of the ceiling interior material of another embodiment of this disclosure.

Hereinafter, the mode for implementing the present disclosure will be described in detail. However, the present disclosure is not limited to the following embodiments. In the following embodiments, the components (including element steps and the like) are not essential unless otherwise specified. The same applies to the numerical values and their ranges, and does not limit this disclosure.

First, the roof panel of this embodiment will be described. Next, the vehicle roof structure of the present embodiment will be described.

<Roof panel>
The roof panel of the present embodiment is a roof panel for a vehicle, and includes a panel base material made of resin and a decorative panel that is detachably attached to the outer surface of the panel base material. Hereinafter, specific examples of the roof panel will be described with reference to the drawings, but the present disclosure is not limited thereto.

As shown in FIGS. 1 to 4, the roof panel 20 of the present embodiment is a member (in other words, an automobile part) constituting an automobile roof portion 18 which is an example of a vehicle. As shown in FIG. 1, the roof panel 20 is attached to a vehicle body (not shown) of an automobile. Further, the roof panel 20 constitutes an outer surface (that is, the surface of the roof portion 18) of the roof portion 18 of the automobile.

As shown in FIG. 1, the roof panel 20 has a panel base material 22 and a decorative panel 24.

The panel base material 22 is made of resin. The outer surface 22A of the panel base material 22 is provided with a mark 26 for positioning the decorative panel 24. The number of marks 26 provided on the panel base material 22 may be single or plural. Further, the marks 26 may have a portion along the outer shape of the panel base material 22, or may be arranged at intervals along the outer shape of the panel base material 22. Further, the mark 26 may be a convex portion provided on the outer surface 22A of the panel base material 22 as shown in FIG. 2, or may be provided on the outer surface 22A of the panel base material 22 as shown in FIG. It may be a recess.

The decorative panel 24 is a decorative panel for the exterior of a vehicle, and is detachably attached to the outer surface 22A of the panel base material 22. Specifically, the plurality of recesses 28 formed on the outer surface 22A of the panel base material 22 are filled with the thermoplastic resin 30, and the decorative panel 24 and the panel base material 22 are made of the thermoplastic resin 30. It is joined. The plurality of recessed portions 28 are formed on the outer surface 22A of the panel base material 22 at predetermined intervals. The recess 28 of the present embodiment extends in the width direction of the roof panel 20 (including a direction along the width direction of the roof panel 20 and a direction inclined with respect to the width direction), and is a longitudinal direction of the roof panel 20. There are multiple spaces between them. The present disclosure is not limited to this configuration, and recesses having polygonal or circular openings may be provided at intervals in the width direction and the longitudinal direction of the roof panel 20, or may be provided in the longitudinal direction of the roof panel 20. A plurality of extending recesses may be provided at intervals in the width direction of the roof panel 20. Further, the outer surface 22A of the panel base material 22 may be provided with recesses in a grid pattern.
The longitudinal direction of the roof panel 20 is the vehicle front-rear direction when the roof panel 20 is attached to the vehicle body, and the width direction of the roof panel 20 is the vehicle width when the roof panel 20 is attached to the vehicle body. The direction. Further, in FIG. 1, the longitudinal direction of the roof panel 20 is indicated by an arrow L. Further, the front of the vehicle is indicated by an arrow FR, and the upper part of the vehicle is indicated by an arrow UP.
Further, as the thermoplastic resin 30 for joining the decorative panel 24 and the panel base material 22, a hot melt adhesive or the like may be used.

The decorative panel 24 has a panel base material 32 and a decorative layer 34. The panel base material 32 is made of resin. The decorative layer 34 is joined to the surface (outer surface) of the panel base material 32. The decorative layer 34 is made of, for example, a decorative film or paint.

Next, the vehicle roof structure of this embodiment will be described.

<Vehicle roof structure>
The vehicle roof structure of the present embodiment can be attached to and detached from the roof panel constituting the roof portion of the vehicle, the interior base material constituting the roof portion and made of resin, and the inner surface of the interior base material. It is provided with a decorative panel for vehicle interior to be mounted, and a ceiling interior material having. Hereinafter, specific examples of the vehicle roof structure will be described with reference to the drawings, but the present disclosure is not limited thereto.

The vehicle roof structure S of the present embodiment (hereinafter, appropriately referred to as “roof structure S”) includes a roof panel 20 and a ceiling interior material 40 as shown in FIG.

As described above, the roof panel 20 includes a panel base material 22 and a decorative panel 24.

The ceiling interior material 40 is a member that constitutes the inner surface of the roof portion 18, that is, the ceiling of the vehicle interior. As shown in FIG. 1, the ceiling interior material 40 has an interior base material 42 and a decorative panel 44.

The interior base material 42 is made of resin. The inner surface 42A of the interior base material 42 is provided with a mark 46 for positioning the decorative panel 44. The marks 46 provided on the interior base material 42 may be single or plural. Further, the marks 46 may have a portion along the outer shape of the interior base material 42, or may be arranged at intervals along the outer shape of the interior base material 42. Further, the mark 46 may be a convex portion provided on the inner surface 42A of the interior base material 42 as shown in FIG. 2, or may be provided on the inner surface 42A of the interior base material 42 as shown in FIG. It may be a recess.

The decorative panel 44 is a decorative panel for vehicle interior, and is detachably attached to the inner surface 42A of the interior base material 42. Specifically, the plurality of recesses 48 formed on the inner surface 42A of the interior base material 42 are filled with the thermoplastic resin 50, and these thermoplastic resins 50 cause the decorative panel 44 and the interior base material 42 to come together. It is joined. The plurality of recessed portions 48 are formed on the inner surface 42A of the interior base material 42 at predetermined intervals. The recessed portion 48 of the present embodiment extends in the width direction of the ceiling interior material 40 (including a direction along the width direction of the ceiling interior material 40 and a direction inclined with respect to the width direction), and the ceiling interior material 40 A plurality of ceilings are provided at intervals in the longitudinal direction of the ceiling. The present disclosure is not limited to this configuration, and recesses having polygonal or circular openings may be provided at intervals in the width direction and the longitudinal direction of the ceiling interior material 40, or the length of the ceiling interior material 40 may be provided. A plurality of recesses extending in the direction may be provided at intervals in the width direction of the ceiling interior material 40. Further, recesses may be provided in a grid pattern on the inner surface 42A of the interior base material 42.
The longitudinal direction and the width direction of the ceiling interior material 40 are the same as the longitudinal direction and the width direction of the roof panel 20.
Further, as the thermoplastic resin 50 for joining the decorative panel 44 and the interior base material 42, a hot melt adhesive or the like may be used as in the thermoplastic resin 30.

The decorative panel 44 has a panel base material 52 and a decorative layer 54. The panel base material 52 is made of resin. The decorative layer 54 is joined to the surface of the panel base material 52. The decorative layer 54 is made of, for example, a decorative film or paint.

Note that a roof reinforcement (not shown) may be arranged as a reinforcing member between the roof panel 20 and the ceiling interior material 40, or a heat insulating material may be arranged.

Next, the operation and effect of this embodiment will be described.
In the present embodiment, the decoration of the roof panel 20 can be easily changed by removing the decorative panel 24 from the panel base material 22 of the roof panel 20. In particular, in the present embodiment, the plurality of recesses 28 formed on the outer surface 22A of the panel base material 22 are filled with the thermoplastic resin 30, and the decorative resin 30 causes the decorative panel 24 and the panel base material 22 to come together. It is joined. Therefore, for example, the adhesive area between the decorative panel 24 and the panel base material 22 is smaller than that in which the thermoplastic resin is applied to the entire contact area between the panel base material and the decorative panel, so that the panel base material 22 The decorative panel 24 can be easily detached from the. Thereby, the decoration of the roof panel 20 can be easily changed.

Further, in the present embodiment, since the recessed portion 28 is filled with the thermoplastic resin 30, the decorative panel is applied to the panel base material 22 as compared with the case where the thermoplastic resin 30 is directly applied to the outer surface 22A of the panel base material 22. When the 24 is pressed, the thermoplastic resin 30 is difficult to spread, and the adhesive area between the decorative panel 24 and the panel base material 22 is prevented from spreading excessively. In addition, the arrangement position (coating position) of the thermoplastic resin 30 is unlikely to be displaced.

Further, in the present embodiment, since the marking 26 for positioning the decorative panel 24 is provided on the outer surface 22A of the panel base material 22, the decorative panel 24 is arranged at an accurate position with respect to the panel base material 22. Can be done. Further, when the mark 26 is a convex portion provided on the outer surface 22A of the panel base material 22, the decorative panel 24 can be positioned by bringing the decorative panel 24 into contact with the convex portion. On the other hand, when the mark 26 is a concave portion provided on the outer surface 22A of the panel base material 22, it is possible to suppress the occurrence of problems such as chipping of the convex portion as compared with the case where the mark 26 is a convex portion, for example.

Further, in the present embodiment, the decoration of the ceiling interior material 40 can be easily changed by removing the decorative panel 44 from the interior base material 42 of the ceiling interior material 40. In particular, in the present embodiment, the plurality of recesses 48 formed on the inner surface 42A of the interior base material 42 are filled with the thermoplastic resin 50, and the thermoplastic resin 50 causes the decorative panel 44 and the interior base material 42 to come together. It is joined. Therefore, for example, the adhesive area between the decorative panel 44 and the interior base material 42 is smaller than that in which the thermoplastic resin is applied to the entire contact area between the interior base material and the decorative panel, so that the interior base material 42 The decorative panel 44 can be easily detached from the. Thereby, the decoration of the ceiling interior material 40 can be easily changed.

Further, in the present embodiment, since the recessed portion 48 is filled with the thermoplastic resin 50, the decorative panel is applied to the interior base material 42 as compared with the case where the thermoplastic resin 50 is directly applied to the inner surface 42A of the interior base material 42. When the 44 is pressed, the thermoplastic resin 50 is difficult to spread, and the adhesive area between the decorative panel 44 and the interior base material 42 is prevented from spreading excessively. In addition, the arrangement position (coating position) of the thermoplastic resin 50 is unlikely to be displaced.

Further, in the present embodiment, since the marking 46 for positioning the decorative panel 44 is provided on the inner surface 42A of the interior base material 42, the decoration panel 44 is arranged at an accurate position with respect to the interior base material 42. Can be done. Further, when the mark 46 is a convex portion provided on the inner surface 42A of the interior base material 42, the decorative panel 44 can be positioned by bringing the decorative panel 44 into contact with the convex portion. On the other hand, when the mark 46 is a concave portion provided on the inner surface 42A of the interior base material 42, it is possible to suppress the occurrence of problems such as chipping of the convex portion as compared with the case where the mark 46 is a convex portion, for example.

In the roof panel 20 of the above-described embodiment, the mark 26 is provided on the outer surface 22A of the panel base material 22 for positioning the decorative panel 24, but the present disclosure is not limited to this configuration. For example, as shown in FIG. 5, the decorative panel 36 is shaped in advance to cover the panel base material 22 (as an example, shaped by vacuum forming or the like), and the decorated panel 36 is formed. The panel base material 22 may be bonded with the thermoplastic resin 30. In this case, the panel base material 22 may be covered with a decorative panel 36 shaped with one end (for example, the front end of the vehicle) of the panel base material 22 as a positioning reference, and bonded with the thermoplastic resin 30. Good. The above configuration may be applied to the ceiling interior material 40.

In the ceiling interior material 40 of the above-described embodiment, the interior base material 42 and the decorative panel 44 are detachably attached using the thermoplastic resin 50, but the present disclosure is not limited to this configuration. For example, as shown in FIG. 6, the decorative panel 44 and the interior base material 42 may be bonded by the hook-and-loop fasteners 62 and 64. Specifically, the surface fastener 60 is attached to the inner surface of the interior base material 42, the surface fastener 62 is attached to the outer surface of the decorative panel 44, and the surface fastener 60 and the surface fastener 62 are combined to form the decorative panel 44. Is bonded to the interior base material 42. In this case, the decoration of the ceiling interior material 40 can be changed more easily than using the thermoplastic resin 50. That is, the decorative panel 44 can be removed from the interior base material 42 and replaced with another decorative panel.

Although the preferred embodiments of the present disclosure have been described above, the present disclosure is not necessarily limited to the above-described embodiments, and changes may be made as appropriate without departing from the spirit thereof.

The disclosure of Japanese Patent Application No. 2019-195622 filed on October 28, 2019 is incorporated herein by reference in its entirety.
All documents, patent applications, and technical standards described herein are to the same extent as if the individual documents, patent applications, and technical standards were specifically and individually stated to be incorporated by reference. Incorporated herein by reference.

Claims

A roof panel for vehicles
Panel base material made of resin and
A decorative panel that is detachably attached to the outer surface of the panel base material,
Roof panel with.
A plurality of recesses formed on the outer surface of the panel base material are filled with a thermoplastic resin.
The decorative panel and the panel base material are joined by the thermoplastic resin.
The roof panel according to claim 1.
The roof panel according to claim 1 or 2, wherein the panel base material has a mark for positioning the decorative panel on the outer surface.
The roof panel according to claim 3, wherein the mark is a concave portion or a convex portion provided on the outer surface of the panel base material.
The roof panel according to any one of claims 1 to 4, which constitutes the roof portion of the vehicle, and the roof panel.
A ceiling interior material having an interior base material that constitutes the roof portion and is made of resin, and a decorative panel for vehicle interior that is detachably attached to the inner surface of the interior base material.
Vehicle roof structure with.
A plurality of recesses formed on the inner surface of the interior base material are filled with a thermoplastic resin.
The vehicle roof structure according to claim 5, wherein the decorative panel for vehicle interior and the interior base material are joined by the thermoplastic resin.
The vehicle roof structure according to claim 5 or 6, wherein the interior base material has a mark for positioning the decorative panel for vehicle interior on the inner surface.
The vehicle roof structure according to claim 7, wherein the marking for positioning the decorative panel for the interior of the vehicle is a concave portion or a convex portion provided on the inner surface of the interior base material.
The vehicle roof structure according to claim 5, wherein the decorative panel for the interior of the vehicle and the interior base material are joined by a hook-and-loop fastener.