Vehicle exterior component
The vehicle exterior accessory design addresses peeling issues by using layers with different expansion coefficients and structural features to absorb thermal stress, enhancing adhesion and preventing detachment.
Patent Information
- Application Number
- JP2024100452
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2026-01-08
AI Technical Summary
The issue of stress concentration and peeling at the interface between the outer peripheral edge and the outer peripheral blocking portion of vehicle exterior accessories due to thermal expansion and contraction caused by ambient temperature changes, which is exacerbated by differences in linear expansion coefficients of the resin materials used, leading to detachment and complex configurations to prevent peeling.
A vehicle exterior accessory design featuring a base layer and a decorative layer with layers of different linear expansion coefficients, incorporating gaps, protrusions, and concave-convex shapes to absorb relative displacement and enhance adhesion, thereby preventing peeling without complex engagement mechanisms.
The design effectively suppresses peeling of the decorative layer through simple configurations that utilize differences in expansion coefficients and anchor effects, ensuring durability and stability under thermal stress.
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Figure 2026002453000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to an exterior part for a vehicle. [Background technology]
[0002] Patent Document 1 describes a vehicle exterior accessory. This vehicle exterior accessory includes a decorative main body and a light diffusing / reflecting member disposed behind the decorative main body. The decorative main body includes a rear substrate, a blocking portion, a front substrate, and a decorative layer.
[0003] The rear base material is a member that constitutes the rear half of the decorative main body. The rear base material has a general portion and a strip-shaped protrusion that protrudes forward from the general portion. The protrusion corresponds to the pattern area of the vehicle exterior part. The general portion corresponds to the background area of the vehicle exterior part.
[0004] The light-shielding portion is a member that blocks the transmission of light by absorbing light. The light-shielding portion has a peripheral light-shielding portion and an intermediate light-shielding portion. The peripheral light-shielding portion is provided along the outer peripheral edge portion of the rear substrate. The peripheral light-shielding portion is in close contact with the outer peripheral edge portion. The rear end surface of the peripheral light-shielding portion is joined to the outer peripheral edge portion of the light-diffusing reflecting member. The intermediate light-shielding portion is disposed in front of the general portion of the rear substrate.
[0005] The front substrate is a transparent member that constitutes the front half of the decorative main body. The front substrate is located forward of the rear substrate and the shading portion. The outer peripheral edge of the front substrate is in close contact with the outer peripheral shading portion from the front. In addition, the portion of the front substrate that is in front of the intermediate shading portion is in close contact with the intermediate shading portion from the front.
[0006] The decorative layer is formed between the rear substrate and the light-shielding portion and the front substrate. Furthermore, Patent Document 1 describes that in such a vehicle exterior accessory, the rear base material, the light-shielding portion, and the front base material are formed using different resin materials. [Prior art documents] [Patent documents]
[0007] [Patent Document 1] Japanese Patent Application Publication No. 2022-151599 Summary of the Invention [Problem to be solved by the invention]
[0008] After being attached to a vehicle, the decorative main body undergoes repeated thermal expansion and contraction in the radial direction of the decorative main body due to changes in ambient temperature. This can lead to stress concentration at the interface between the outer peripheral edge of the rear substrate and the outer peripheral blocking portion due to relative displacement between the light-shielding portion and the front substrate and the rear substrate due to differences in linear expansion coefficients. This can result in the outer peripheral edge being detached from the outer peripheral blocking portion. For this reason, measures are needed to firmly bond the outer peripheral edge and the outer peripheral blocking portion to the decorative main body, such as providing the outer peripheral edge and the outer peripheral blocking portion with interlocking concave and convex shapes that engage with each other. This anchor effect creates another problem, however, in that the configuration of the rear substrate and the blocking portion becomes more complex. [Means for solving the problem]
[0009] Various aspects of vehicle exterior accessories for solving the above problems will be described below. [Aspect 1] A vehicle exterior accessory comprising a base layer made of a resin material that is transparent to visible light and a decorative layer laminated on the inner surface of the base layer, wherein the decorative layer includes a first layer and a second layer formed of a resin material that has a different linear expansion coefficient than the first layer, the first layer having a first base portion laminated on and joined to the inner surface of the base layer and an outer periphery that protrudes from the outer edge of the first base portion toward the inside of the vehicle, the second layer having a second base portion laminated on the inner surface of the first base portion and a protruding portion that protrudes from the second base portion and penetrates the first base portion, when the direction extending radially from the center of the decorative layer is defined as the radial direction, the outer periphery faces the outer periphery of the second base portion with a gap in between in the radial direction.
[0010] According to the above configuration, even when the vehicle exterior part thermally expands and contracts due to changes in the ambient temperature, the difference in the linear expansion coefficients of the first and second layers causes relative displacement between the first and second layers in the radial direction, which is absorbed by the gap. This prevents radial contact between the outer circumferential surface of the second base portion and the outer circumferential portion of the first layer. This prevents peeling of the second layer due to stress at the interface between the outer circumferential surface and the outer circumferential portion.
[0011] Furthermore, with the above configuration, compared to conventional vehicle exterior parts in which the second base portion and the outer periphery of the first layer are formed in close contact with each other, there is no need to provide the second base portion and the outer periphery with uneven shapes that engage with each other in order to prevent peeling of the second layer.
[0012] Therefore, peeling of the second layer can be suppressed with a simple configuration. [Aspect 2] The protrusion includes an outer protrusion that protrudes from the outer peripheral edge of the second base portion, and the first base portion is formed with an outer through-hole through which the outer protrusion passes when in close contact, and when the protrusion direction is defined as the protrusion direction, the lengths of the outer protrusion and the outer through-hole in the radial direction become smaller as they move toward the base end of the outer protrusion in the protrusion direction. This is the vehicle exterior part described in [Aspect 1].
[0013] According to the above configuration, the outer protrusion is firmly adhered to the inner circumferential surface of the outer through-hole due to the anchor effect. As a result, the outer protrusion, and therefore the outer peripheral edge of the second base portion, is less likely to peel off from the first base portion. Therefore, peeling of the second layer can be further suppressed.
[0014] [Aspect 3] The vehicle exterior part according to [Aspect 1] or [Aspect 2], in which the inner surface of the first base portion and the outer surface of the second base portion are provided with concave and convex shapes that engage with each other. According to the above configuration, the second base portion is firmly adhered to the first base portion due to the anchor effect of the uneven shape. As a result, the second base portion is less likely to peel off from the first base portion. Therefore, peeling of the second layer can be further suppressed.
[0015] [Embodiment 4] The vehicle exterior part according to [Embodiment 1] or [Embodiment 2], wherein the second layer has a hole that penetrates the second base portion. According to the above configuration, the relative displacement between the first and second layers in the radial direction caused by the difference in the linear expansion coefficients of the first and second layers is absorbed by the holes. This allows the second base portion to adhere more firmly to the first base portion. As a result, the second base portion is less likely to peel from the first base portion. This further suppresses peeling of the second layer. [Effects of the Invention]
[0016] According to the present invention, peeling of the second layer can be suppressed with a simple configuration. [Brief explanation of the drawings]
[0017] [Figure 1] FIG. 1 is a front view of a light-emitting emblem equipped with a cover according to the first embodiment. [Figure 2] FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. [Figure 3] FIG. 3 is a rear view showing the cover of FIG. [Figure 4] FIG. 4 is a cross-sectional view taken along line 4-4 in FIG. [Figure 5] FIG. 5 is a rear view showing the cover of the second embodiment, corresponding to FIG. [Figure 6] FIG. 6 is a cross-sectional view taken along line 6-6 in FIG. DETAILED DESCRIPTION OF THE INVENTION
[0018] Hereinafter, each embodiment of a vehicle exterior accessory will be described with reference to FIGS. First Embodiment First, a first embodiment of a vehicle exterior accessory will be described with reference to Figures 1 to 4. In the first embodiment, the present invention is embodied as a cover 30 for a light-emitting emblem 14 attached to a vehicle 10.
[0019] In the following description, the fore-and-aft direction of the vehicle 10 will be referred to as the fore-and-aft direction, and the front and rear in the fore-and-aft direction will simply be referred to as the front and rear. In addition, in this embodiment, the outside and inside in the inside-outside direction of the vehicle 10 correspond to the front and rear. Therefore, in the following description, "outside" and "outside" will be referred to as "front" and "forward," and "inside" and "inside" will be referred to as "rear" and "rear."
[0020] <Luminous Emblem 14> As shown in Figures 1 and 2, a front panel 12 that forms part of the outer shell of the front part 11 is provided at the front part 11 of a vehicle 10. A window part 13 that opens toward the front of the vehicle 10 is formed in the front panel 12. A light-emitting emblem 14 is fitted into the window part 13. In this embodiment, the light-emitting emblem 14 is arranged so as to be perpendicular to the front-to-rear direction (see Figure 2).
[0021] 1, the outer edge shape of the luminous emblem 14 is circular when viewed from the front. For this reason, in the following description, the direction extending radially from the center C of the luminous emblem 14 will be referred to as the radial direction. In addition, the side approaching the center C in the radial direction will be referred to as the inner circumferential side, and the side moving away from the center C will be referred to as the outer circumferential side.
[0022] The design surface 14a of the luminous emblem 14 is provided with a display area 15 that displays a mark facing forward, and a background area 16 that forms the background to the rest of the display area 15. Note that the "mark" referred to here includes, for example, designed characters (logotype) indicating the manufacturer name, vehicle name, grade name, etc. of the vehicle 10, a figure (symbol mark) that symbolizes the manufacturer of the vehicle 10, or a logo mark formed by combining characters and figures. In this embodiment, the display area 15 is composed of a character portion 15a that represents the English letter "A" and an annular portion 15b that extends along the outer periphery of the luminous emblem 14 and surrounds the character portion 15a.
[0023] The luminous emblem 14 comprises a housing 20, a cover 30, and a light source 70. Each component will be described in detail below. (Housing 20) As shown in FIG. 2, the housing 20 is a member that accommodates the light source 70. The housing 20 has a bottom wall 21, a peripheral wall 22, and a groove 24. The peripheral wall 22 rises from the outer edge of the bottom wall 21 and extends forward. An opening 23 is formed by the front end of the peripheral wall 22. A groove-forming portion 25 is formed on the outer periphery of the peripheral wall 22. The groove-forming portion 25 has a first portion 25a that protrudes from the outer periphery 22a of the peripheral wall 22, and a second portion 25b that bends from the tip of the first portion 25a and extends forward. The groove-forming portion 25 and a portion of the peripheral wall 22 form the annular groove 24.
[0024] The housing 20 is integrally molded from a resin material in which white light diffusing particles are dispersed. Examples of the resin material that can be used include acrylonitrile-butadiene-styrene copolymer (ABS) resin. Examples of the light diffusing material that can be used include metal oxides such as titanium oxide and zinc oxide.
[0025] (Cover 30) 2 to 4, the cover 30 is a member that closes the opening 23 of the housing 20 from the front. Here, the cover 30 has a shape that is symmetrical with respect to an imaginary plane V that extends along both the front-rear direction and the up-down direction of the vehicle 10. For this reason, in FIG. 3, only the right side portion in the vehicle width direction when viewing the vehicle 10 from the rear to the front is shown, and the left side portion is not shown.
[0026] 2 and 4, the cover 30 is formed in a plate shape with a generally uniform thickness as a whole. The cover 30 is gently curved so as to bulge forward. The cover 30 has a base layer 31 and a decorative layer 32.
[0027] The base material layer 31 constitutes the front half of the cover 30. A front surface 31a of the base material layer 31 constitutes the front surface of the cover 30 (see FIG. 4). The base material layer 31 is formed in a flat plate shape from a resin material that is transparent to visible light. Examples of the resin material that can be used include acrylic resins such as polymethyl methacrylate resin (PMMA) and transparent resins such as polycarbonate resin (PC). In this embodiment, the base material layer 31 is formed from PC. Note that "transparent" in this embodiment includes colored transparency (colored transparency) as well as colorless transparency.
[0028] The decorative layer 32 has a first layer 40 and a second layer 50 . The first layer 40 has a first base portion 41 and an outer peripheral portion 47. A front surface 41a of the first base portion 41 is laminated and joined to a rear surface 31b of the substrate 31 (see FIG. 4). A through hole 42 is formed in the first base portion 41, penetrating the first base portion 41 in the front-rear direction.
[0029] 1, the through-hole 42 corresponds to the display area 15. Specifically, the through-hole 42 is composed of an inner through-hole 43 corresponding to the character portion 15a and an outer through-hole 44 corresponding to the annular portion 15b. The portion of the first base portion 41 other than the through-hole 42 (hereinafter, a general portion 45) corresponds to the background area 16.
[0030] 3 and 4, a convex portion 46 that protrudes rearward is formed on the rear surface 41b of the first base portion 41. In this embodiment, the convex portion 46 protrudes from the general portion 45 and extends along the outer peripheral edge of the first base portion 41 (see FIG. 3).
[0031] 2, the outer peripheral portion 47 protrudes rearward from the outer peripheral edge of the first base portion 41. The rear end of the outer peripheral portion 47 is embedded in the adhesive layer 60 filled in the groove portion 24. This bonds the cover 30 to the housing 20, and forms an accommodating space S between the cover 30 and the housing 20 that is sealed from the outside.
[0032] In this embodiment, the first layer 40 is made of a material that blocks visible light. The first layer 40 is black, which absorbs visible light and blocks its transmission. The first layer 40 is made of a mixed material, for example, a transparent resin such as PC and a black pigment such as carbon black. In this embodiment, the first layer 40 is made of PC.
[0033] As shown in FIGS. 2 to 4, the second layer 50 has a second base portion 51 and a protruding portion 53. 4, a front surface 51a of the second base portion 51 is laminated on a rear surface 41b of the first base portion 41. The rear surface 51b of the second base portion 51 forms the rear surface of the cover 30. The second base portion 51 is provided such that an outer peripheral surface 51c faces the outer peripheral portion 47 in the radial direction with a gap G therebetween. In this embodiment, the gap G is provided between the outer peripheral surface 51c and the outer peripheral portion 47 over the entire circumference.
[0034] 3 and 4, recesses 52 into which the protrusions 46 fit in a closely contacting state are formed on the front surface 51a of the second base portion 51. The protrusions 46 and the recesses 52 form a concave-convex shape that engages with each other.
[0035] 2 and 4, the protrusion 53 protrudes forward from the front surface 51a of the second base portion 51 and penetrates the first base portion 41. The tip 53a of the protrusion 53 is embedded in the rear surface 31b of the base material layer 31. In this embodiment, the front-to-rear direction corresponds to the protruding direction of the protrusion according to the present invention. The protrusion 53 is configured to be visible from the front through the base material layer 31 by the through-hole 42.
[0036] 1, the protrusion 53 constitutes the display area 15. The protrusion 53 is composed of an inner protrusion 54 corresponding to the character portion 15a and an outer protrusion 55 corresponding to the annular portion 15b.
[0037] 2 and 4, the inner protrusion 54 fits tightly into the inner through-hole 43. The outer protrusion 55 fits tightly into the outer through-hole 44. The outer protrusion 55 and the outer through-hole 44 are formed so that their radial lengths become smaller toward the base end of the outer protrusion 55 in the front-rear direction (see FIG. 4). In other words, the engaging surfaces 55a and inner circumferential surface 44a of the outer protrusion 55 and the outer through-hole 44 are inclined so as to approach the center of the outer protrusion 55 in the radial direction toward the base end of the outer protrusion 55 in the front-rear direction.
[0038] The second layer 50 is formed of a resin material having a different linear expansion coefficient from that of the first layer 40. From the viewpoint of uniformly emitting and displaying the mark, the second layer 50 is preferably formed of a resin material in which particles of a white light diffusing material are dispersed. As the resin material, for example, a resin material having visible light transparency, such as acrylonitrile styrene resin (AS) or PMMA, can be used. In this embodiment, the second layer 50 is formed of AS. As the light diffusing material, for example, barium sulfate is used.
[0039] An island-structured metal coating (not shown) is provided between the base layer 31 and the protruding portion 53, and between the first base portion 41 and the second base portion 51. The metal coating is formed by sputtering or vapor-depositing a metal material such as indium (In). The metal coating imparts a metallic luster to the mark displayed by the display area 15 when the light source 70 is not emitting light.
[0040] (Light source 70) 2, the light source 70 emits visible light forward and is configured by a light emitting element such as a light emitting diode (LED). The light source 70 is mounted on a substrate 71 and accommodated inside the housing 20, more specifically, in the accommodation space S.
[0041] In the luminous emblem 14, light emitted from the light source 70 is blocked by the first base portion 41 and the outer peripheral portion 47 of the first layer 40, while part of the light passes through the protruding portion 53 of the second layer 50 and is emitted toward the front of the vehicle 10. In this way, the luminous emblem 14 illuminates and displays a mark toward the front of the vehicle 10.
[0042] <Operation of the First Embodiment> Even when the cover 30 thermally expands and contracts due to changes in the ambient temperature, the difference in the linear expansion coefficients of the first layer 40 and the second layer 50 causes relative displacement between the first layer 40 and the second layer 50 in the radial direction to be absorbed by the gap G. This prevents the outer peripheral surface 51c of the second base portion 51 from coming into contact with the outer peripheral portion 47 of the first layer 40 in the radial direction. This prevents peeling of the second layer 50 due to stress occurring at the interface between the outer peripheral surface 51c and the outer peripheral portion 47.
[0043] Furthermore, with the cover 30 of this embodiment, compared to conventional luminous emblem covers in which the second base portion 51 and the outer peripheral portion 47 of the first layer 40 are formed in close contact with each other, there is no need to provide the second base portion 51 and the outer peripheral portion 47 with uneven shapes that engage with each other in order to prevent peeling of the second layer 50.
[0044] <Effects of the first embodiment> (1-1) The cover 30 includes a base layer 31 made of a resin material that is transparent to visible light and a decorative layer 32 laminated on the rear surface 31b of the base layer 31. The decorative layer 32 includes a first layer 40 and a second layer 50 formed of a resin material with a different linear expansion coefficient than the first layer 40. The first layer 40 includes a first base portion 41 laminated on and joined to the rear surface 31b of the base layer 31, and an outer peripheral portion 47 that protrudes rearward from the outer peripheral edge of the first base portion 41. The second layer 50 includes a second base portion 51 laminated on the rear surface 41b of the first base portion 41, and a protrusion 53 that protrudes from the second base portion 51 and penetrates the first base portion 41. The outer peripheral portion 47 faces an outer peripheral surface 51c of the second base portion 51 across a gap G in the radial direction.
[0045] This configuration provides the above-described effects, and therefore peeling of the second layer 50 can be suppressed with a simple configuration. (1-2) The protruding portion 53 has an outer protruding portion 55 that protrudes from the outer peripheral edge of the second base portion 51. The first base portion 41 is formed with an outer through-hole 44 through which the outer protruding portion 55 passes in a tightly contacting state. The lengths of the outer protruding portion 55 and the outer through-hole 44 in the radial direction become smaller toward the base end side of the outer protruding portion 55 in the front-rear direction.
[0046] With this configuration, the outer protrusion 55 is firmly adhered to the inner circumferential surface 44a of the outer through-hole 44 due to the anchor effect. As a result, the outer protrusion 55, and therefore the outer peripheral edge of the second base portion 51, is less likely to peel off from the first base portion 41. Therefore, peeling of the second layer 50 can be further suppressed.
[0047] (1-3) The rear surface 41b of the first base portion 41 and the front surface 51a of the second base portion 51 are provided with convex portions 46 and concave portions 52 as concave-convex shapes that engage with each other. According to this configuration, the second base portion 51 is firmly adhered to the first base portion 41 due to the anchor effect of the convex portions 46 and the concave portions 52. As a result, the second base portion 51 is less likely to peel off from the first base portion 41. Therefore, peeling of the second layer 50 can be further suppressed.
[0048] Second Embodiment Next, a second embodiment of a vehicle exterior accessory will be described with reference to Figures 5 and 6. In the light-emitting emblem 114 of the second embodiment, the configuration of the decorative layer 132 of the cover 130 is different from that of the first embodiment.
[0049] The following description will focus on the differences from the first embodiment. Note that in the second embodiment, for configurations that are the same as or correspond to those in the first embodiment, the symbol "1**" is added by adding "100" to each symbol "**" in the first embodiment, and redundant description will be omitted.
[0050] The first base portion 141 of the first layer 140 is the first base portion 41 of the first embodiment with the protrusions 46 omitted. The second base portion 151 of the second layer 150 has a hole 152 instead of the recess 52 of the first embodiment. The hole 152 penetrates the second base portion 151 of the second layer 150 in the front-rear direction (see FIG. 6). The hole 152 extends along the outer peripheral edge of the second base portion 151.
[0051] <Effects of the Second Embodiment> According to this embodiment, in addition to the effects (1-1) and (1-2) of the first embodiment, the following new operational effects can be achieved.
[0052] The relative displacement between the first layer 140 and the second layer 150 in the radial direction caused by the difference in the linear expansion coefficient between the first layer 140 and the second layer 150 is absorbed by the holes 152. This makes the second base portion 151 adhere more firmly to the first base portion 141. As a result, the second base portion 151 is less likely to peel off from the first base portion 141. This further suppresses peeling of the second layer 150.
[0053] <Example of change> The above embodiment can be modified as follows: The above embodiment and the following modifications can be combined with each other within the scope of technical compatibility.
[0054] The radial lengths of the outer protrusions 55 and the outer through-holes 44 do not have to decrease in the forward and backward direction as they approach the base end of the outer protrusions 55, as illustrated in this embodiment. For example, the lengths may be changed so as to be constant in the forward and backward direction.
[0055] A concave-convex shape that engages with each other may be provided between the surface 55a of the outer protrusion 55 and the inner circumferential surface 44a of the outer through-hole 44. Even in this case, the outer protrusion 55 is firmly attached to the outer through-hole 44 due to the anchor effect.
[0056] The shape, number, and arrangement of the protrusions 46 are not limited to those exemplified in the first embodiment, and may be changed as appropriate as long as they are provided in the general portion 45 of the first layer 40. In the first embodiment, recesses may be provided in the first layer 40 instead of the protrusions 46. In this case, protrusions may be provided in the second layer 50 instead of the recesses 52, which fit closely into the recesses of the first layer.
[0057] In the first embodiment, the convex portions 46 may be omitted from the first layer 40. In this case, the concave portions 52 may be omitted from the second layer 50. The shape, number, and arrangement of the holes 152 are not limited to those exemplified in the second embodiment, and may be changed as appropriate as long as they are provided at positions on the second layer 150 that do not overlap with the protrusions 153 in the front-to-rear direction.
[0058] In the second embodiment, the holes 152 may be omitted from the second layer 150. The vehicle exterior accessory according to the present invention is not limited to the cover 30 mounted on the luminous emblem 14. For example, the vehicle exterior accessory according to the present invention may be embodied as a simple decorative emblem, omitting the light source 70 and the housing 20. In this case, the resin material forming the second layer 50 may be an acrylonitrile-ethylene-styrene copolymer (AES) resin, instead of the exemplified resin.
[0059] The vehicle exterior accessory according to the present invention may be mounted on a light-emitting emblem that is disposed in front of a radar device that transmits and receives electromagnetic waves such as millimeter waves. In this case, the light-emitting emblem as a whole may be made of a material that is electromagnetically transparent. [Explanation of symbols]
[0060] C...Central part G...gap S...Storage space V...Virtual plane 10...Vehicle 11...Front part 12...Front panel 13...Window section 14,114...Luminous emblem 14a...Design surface 15…Display area 15a...Character section 15b...Annular section 16...Background area 20…Housing 21...Bottom wall 22...Peripheral wall part 22a...Outer surface 23...Opening 24...Groove 25...Groove forming part 25a…Part 1 25b…Part 2 30,130…カバー 31…Substrate layer 31a… (before) 31b…after 32,132… decorative layer 40, 140… Level 1 41,141…Part 1 41a… (before) 41b…after 42… Through hole 43…Inner through hole 44…Outer through hole 44a…inner circumferential surface 45…General Department 46…convex part 47…Peripheral part 50, 150… Level 2 51,151…Part 2 51a… (before) 51b…after 51c… outer periphery 52…concave 53,153…protrusions 53a…aperture 54…Inner protrusion 55…outer protrusion 55a… 60…then the next layer 70…light source 71…Substrate 152…hole
Claims
1. An exterior accessory for a vehicle, comprising: a base layer made of a resin material having visible light transparency; and a decorative layer laminated on an inner surface of the base layer, the decorative layer includes a first layer and a second layer formed of a resin material having a linear expansion coefficient different from that of the first layer, the first layer has a first base portion laminated on and joined to an inner surface of the base material layer, and an outer circumferential portion protruding from an outer circumferential edge portion of the first base portion toward an inside of the vehicle, the second layer has a second base portion laminated on an inner surface of the first base portion, and a protruding portion protruding from the second base portion and penetrating the first base portion, When the direction extending radially from the center of the decorative layer is defined as the radial direction, the outer circumferential portion faces an outer circumferential surface of the second base portion with a gap in the radial direction; Exterior parts for vehicles.
2. the protrusion includes an outer protrusion protruding from an outer peripheral edge of the second base portion, an outer through-hole is formed in the first base portion, through which the outer protrusion passes in a state of being in close contact with the first base portion; When the protruding direction of the protruding portion is defined as the protruding direction, the lengths of the outer protruding portion and the outer through hole in the radial direction become smaller toward the base end side of the outer protruding portion in the protruding direction; The vehicle exterior part according to claim 1 .
3. The inner surface of the first base portion and the outer surface of the second base portion are provided with concave and convex shapes that engage with each other. The vehicle exterior part according to claim 1 or 2.
4. The second layer has a hole penetrating the second base portion. The vehicle exterior part according to claim 1 or 2.
Citation Information
Patent Citations
Exterior equipment for vehicle
JP2022151599A