WO2023160028A1

WO2023160028A1 - Automobile light-emitting bumper

Info

Publication number: WO2023160028A1
Application number: PCT/CN2022/131930
Authority: WO
Inventors: 陈兵; 张海峰; 张家雨; 陈想; 叶国强
Original assignee: 宁波信泰机械有限公司
Priority date: 2022-02-23
Filing date: 2022-11-15
Publication date: 2023-08-31
Also published as: CN114619996A

Abstract

An automobile light-emitting bumper, comprising a bumper skin (100) and a light-transmitting barrier trim piece (200); the light-transmitting barrier trim piece (200) is disposed behind the bumper skin (100); the bumper skin (100) is provided with light-transmitting through holes (101), and a light-emitting assembly (400) is arranged behind the light-transmitting barrier trim piece (200); the light-emitting assembly (400) is provided with a light-emitting source (401), and the light-transmitting barrier trim piece (200) has an inner surface and an outer surface; the inner surface or the outer surface of the light-transmitting barrier trim piece (200) is provided with a color layer (600); when the light-emitting source (401) is turned-off, the bumper skin (100) has an inherent bumper color presented by the color layer (600); and when the light-emitting source (401) is turned-on, light is emitted through the light-transmitting through holes (101) via the light-transmitting barrier trim piece (200).

Description

A car luminous bumper

technical field

The invention belongs to the technical field of automotive luminous decorations, and relates to an automotive luminous bumper.

Background technique

With the rapid development of the automobile industry, the front face of electric vehicles has undergone major changes. Appearance stylists have integrated light elements into the design of automobiles. Exterior lights are used as auxiliary signal lights or as an important part of brand design language. Among them Luminous bumpers are a trend. To realize the luminescence of the bumper, it needs to use light-transmitting materials, and the commonly used light-transmitting materials on the market are PC materials and PMMA materials. However, PC materials and PMMA materials have strong rigidity and poor toughness, which is not conducive to the protection of pedestrians in the event of a collision, while PP materials have high modulus and good toughness, and can absorb collision energy well after a low-speed collision. In this way, the safety of pedestrians is protected. In addition, most of the existing models develop the light source as an independent part. There is a matching relationship between the light source and the bumper, and the outer shape needs to be divided into seams, which affects the integrity and continuity of the shape. At the same time, it is necessary to match the color difference and gap. If the matching is not done properly, it will affect the appearance effect and lower the grade of the whole vehicle.

Contents of the invention

The technical problem to be solved by the present invention is to provide a car luminous insurance with good light transmission, which eliminates the matching risk of light source gap and surface difference, and ensures the integrity and aesthetics of the shape. bar.

The technical solution adopted by the present invention to solve the above technical problems is: a luminous bumper for automobiles, which is characterized in that it includes a bumper skin and a light-transmitting blocking trim, and the light-transmitting blocking trim is located behind the bumper skin , the bumper skin has a light-transmitting through hole, a light-emitting component is arranged behind the light-transmitting blocking trim, the light-emitting component has a light source, and the light-transmitting blocking trim has an inner surface and an outer surface, There is a colored layer on the inner or outer surface of the light-transmitting blocking trim, and the bumper skin has the original color of the bumper presented by the colored layer when the light source is turned off, and the light passes through the light-transmitting blocking trim when the light source is turned on. Light is emitted through the light-transmissive via.

In the aforementioned luminous bumper for automobiles, the light-transmitting blocking trim is installed with the bumper skin and covers the light-transmitting through hole.

As another way, in the aforementioned luminous bumper for automobiles, the light-transmitting blocking trim has a protruding part, and the protruding part is embedded in the light-transmitting through hole.

As one of the methods, in the above-mentioned luminous bumper for automobiles, the bumper also includes a lampshade, the light-transmitting blocking trim and the lampshade are integrally structured, and the colored layer is attached to the inner surface of the lampshade or The outer surface.

In the aforementioned luminous bumper for automobiles, the outer surface of the lampshade has a primer layer, and the outer surface of the primer layer has a colored layer.

In the aforementioned luminous bumper for automobiles, the inner surface of the lampshade has a primer layer, and the inner surface of the primer layer has a colored layer.

As another way, the bumper also includes a lampshade, the light-transmitting blocking trim and the lampshade are separate structures, the light-transmitting blocking trim is located between the bumper skin and the lampshade, and the colored layer Attaches to the interior or exterior surface of a light-transmitting blocking trim.

In the aforementioned luminous bumper for automobiles, the outer surface of the light-transmitting blocking trim has a primer layer, and the outer surface of the primer layer has a colored layer.

In the aforementioned luminous bumper for automobiles, the inner surface of the light-transmitting blocking trim has a primer layer, and the inner surface of the primer layer has a colored layer.

In the aforementioned luminous bumper for automobiles, the colored layer is a colored light-transmitting paint layer, a PVD coating layer or a film layer.

In the aforementioned luminous bumper for automobiles, the bumper skin is made of opaque PP material.

Compared with the prior art, the present invention has the advantage of eliminating the matching risk of gap and surface difference, not only ensuring the integrity and aesthetics of the shape, but also ensuring the strength and performance of the bumper, and realizing the bumper skin and light-emitting components The connection between them, so as to improve the assembly efficiency of the luminous bumper, reduce the labor intensity, and improve the yield of the luminous bumper. When the light is illuminated, the phenomenon of light shifting and light leakage occurs, thereby improving the luminous effect.

Description of drawings

Fig. 1 is the structure schematic diagram of embodiment one explosion of this automobile luminous bumper;

Figure 2 is a schematic diagram of the assembly structure shown in Figure 1;

Fig. 3 is a schematic diagram of the front structure of the light-transmitting blocking trim of Embodiment 1;

Fig. 4 is a schematic diagram of the back structure of the light-transmitting blocking decorative part of Embodiment 1;

Fig. 5 is a structural schematic diagram of the first mode of cooperation between the light-transmitting blocking trim and the bumper skin;

Fig. 6 is a structural schematic diagram of the second mode of cooperation between the light-transmitting blocking trim and the bumper skin

Fig. 7 is the structural representation of the explosion of the second embodiment;

Fig. 8 is a schematic diagram of the assembly structure of the second embodiment;

Fig. 9 is a schematic view of the front structure of the lampshade;

Fig. 10 is a schematic diagram of the back structure of the lampshade.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "transverse", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "vertical The orientations or positional relationships indicated by "straight", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.

In the figure: bumper skin 100; light-transmitting through hole 101; light-transmitting blocking trim 200; protruding part 201; lampshade 300; light-emitting component 400; light-emitting source 401; housing 402; ; power cord 405; lattice space 406; connection assembly 500; bracket 501; sealant strip 502; screw 503; sealant 504;

Embodiment one

As shown in Fig. 1 and Fig. 2, the luminous bumper of the automobile includes a bumper skin 100, a light-transmitting blocking trim 200 and a lampshade 300, the light-transmitting blocking trim 200 and the lampshade 300 are split The light blocking trim 200 is located between the bumper skin 100 and the lampshade 300, the light-transmitting blocking trim 200 is located behind the bumper skin 100, and the light-transmitting blocking trim 200 is locked with the bumper skin 100, The bumper skin 100 has a light-transmitting through hole 101, through which light can be easily transmitted through the light-transmitting through hole 101, and a light-emitting assembly 400 is arranged behind the light-transmitting blocking trim 200, and the light-emitting assembly 400 has a light-emitting source 401. The light-emitting assembly 400 includes a housing 402 and a light-shielding board 403, and a circuit board 404 is arranged in the housing 402, wherein a light-emitting source 401 is arranged on the circuit board 404, and a power line 405 is drawn out from the circuit board 404, and the light-shielding board 403 is installed in the housing 402, wherein the light-emitting source 401 on the circuit board 404 is divided by the light-shielding plate 403, further preferably, a plurality of grid spaces 406 are arranged on the light-shielding plate 403, wherein each grid space 406 corresponds to the circuit board A light emitting source 401 on the circuit board 404, in this embodiment, by setting a light insulating plate 403, avoiding the phenomenon of crossing light and light leakage when the light emitting source 401 on the circuit board 404 emits light, thereby improving the luminous effect. In addition, preferably, the shell The body 402 includes a lampshade 300 and a lamp housing that are spliced together, wherein the lampshade 300 and the lamp housing adopt snap fit, and the light emitting assembly 400 is connected to the bumper skin 100 through a connecting assembly 500, where the connecting assembly 500 includes a bracket 501, The side connected to the bumper skin 100 on the bracket 501 adopts abutting fit, and the connection between the bracket 501 and the bumper skin 100 is fixed by a sealant 504; the side connected to the lampshade 300 on the bracket 501 adopts a detachable The locking connection is matched, and the sealing strip 502 is connected to the lampshade 300, and the connection position between the bracket 501 and the lampshade 300 is locked by a screw 503, thereby improving the assembly efficiency of the luminous bumper, reducing labor intensity, and improving the finished product of the luminous bumper Rate.

Wherein the bumper skin 100 is made of opaque PP material, the light-transmitting sealing trim 200 has an inner surface and an outer surface, and there is a colored layer 600 on the inner surface or the outer surface of the light-transmitting sealing trim 200, here the colored layer 600 Attached to the inner or outer surface of the light-transmitting sealing trim 200, the bumper skin 100 has the natural color of the bumper presented by the colored layer 600 when the light-emitting source 401 is off, and the light passes through the light-transmitting seal when the light-emitting source 401 is on. The blocking member 200 emits light through the light-transmitting through hole 101 .

As shown in FIG. 3 , in order to achieve light transmission, one of the ways is to have a primer layer 700 on the outer surface of the light-transmitting blocking trim 200, and a colored layer 600 on the outer surface of the primer layer 700, and the primer layer 700 is mainly to increase the adhesion of the colored layer 600. In addition, a protective coating 900 is added. Here, the colored layer 600 is a colored light-transmitting paint layer, a PVD coating layer or a film layer. The corresponding position of the light through hole 101 is processed to form a light transmission area, so that the light source 401 emits light from the light transmission hole 101 after passing through the light transmission area.

As shown in FIG. 4 , in order to achieve light transmission, another way is to have a primer layer 700 on the inner surface of the light-transmitting blocking trim 200, and have a colored layer 600 on the inner surface of the primer layer 700, and then A protective coating 900 is added to the back of the colored layer 600, and a hard coating 800 is added to the outer surface of the light-transmitting blocking decorative part 200, and the corresponding position of the light-transmitting through hole 101 corresponding to the light-transmitting blocking decorative part 200 is also processed. The light-transmitting area enables the light-emitting source 401 to emit light from the light-transmitting through hole 101 after passing through the light-transmitting area.

In this embodiment, there are mainly two ways to cooperate with the light-transmitting blocking trim 200 and the bumper skin 100, as shown in Fig. Hole 101, the other is as shown in Figure 6, the light-transmitting blocking trim 200 has a protruding part 201, and the protruding part 201 is embedded in the light-transmitting through-hole 101, which eliminates the matching risk of gap and surface difference, and ensures It not only ensures the integrity and aesthetics of the shape, but also ensures the strength and performance of the bumper.

Embodiment two

As shown in Figures 7 and 8, the biggest difference between the second embodiment and the first embodiment is that the light-transmitting blocking decoration 200 and the lampshade 300 are integral structures, and the colored layer 600 is attached to the inner or outer surface of the lampshade 300, that is, It is said that the light-transmitting blocking trim 200 is a part of the lampshade 300, which is equivalent to omitting the light-transmitting blocking trim 200. In this way, the bumper skin 100 also has a light-transmitting through hole 101, here through the light-transmitting through hole 101 Light transmission can be conveniently carried out. A light-emitting assembly 400 is arranged behind the light-transmitting blocking trim 200. The light-emitting assembly 400 has a light-emitting source 401. In addition, the light-emitting assembly 400 includes a housing 402 and a light-blocking plate 403. Inside the housing 402, there are A circuit board 404, wherein the circuit board 404 is provided with a light source 401, and the power line 405 is drawn out from the circuit board 404, and the light insulation board 403 is installed in the housing 402, wherein the light insulation board 403 is used to divide the power lines on the circuit board 404 For the light emitting source 401, further preferably, a plurality of grid spaces 406 are provided on the light insulating board 403, wherein each grid space 406 corresponds to one light emitting source 401 on the circuit board 404. In this embodiment, by setting the light insulating board 403, To prevent the light-emitting source 401 on the circuit board 404 from flashing or leaking when emitting light, thereby improving the luminous effect. In addition, preferably, the housing 402 includes a lampshade 300 and a lamp housing that are spliced with each other, wherein the gap between the lamp shade 300 and the lamp housing The light-emitting assembly 400 is connected to the bumper skin 100 through a connection assembly 500. Here, the connection assembly 500 includes a bracket 501. The side of the bracket 501 connected to the bumper skin 100 adopts abutting fit, and through The sealant fixes the connection between the bracket 501 and the bumper skin 100; the side of the bracket 501 connected to the lampshade 300 adopts a detachable locking connection, and is connected with the lampshade 300 through a sealant strip 502, and is locked by a screw 503 The connection position between the bracket 501 and the lampshade 300 .

As shown in FIG. 9 , in order to achieve light transmission, one way is to have a primer layer 700 on the outer surface of the lampshade 300, and a colored layer 600 on the outer surface of the primer layer 700. The primer layer 700 is mainly to increase the color. In addition, the protective coating 900 is added. Here, the colored layer 600 is a colored light-transmitting paint layer, PVD coating or film layer, and then the corresponding position of the light-transmitting through hole 101 corresponding to the lampshade 300 is processed to produce a transparent The light area, so that the light emitting source 401 emits light from the light-transmitting through hole 101 after passing through the light-transmitting area.

As shown in FIG. 10 , in order to achieve light transmission, another way is to have a primer layer 700 on the inner surface of the lampshade 300, a colored layer 600 on the inner surface of the primer layer 700, and then a colored layer 600 on the backside of the colored layer 600. Add a protective coating 900, add a hard coating 800 on the outer surface of the lampshade 300, and process a light-transmitting area at the corresponding position of the light-transmitting through hole 101 corresponding to the lampshade 300, so that the light-emitting source 401 passes through the light-transmitting area. The light-transmitting through hole 101 emits light.

It should be noted that, in the present invention, descriptions involving "first", "second", "one" and so on are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating The number of technical characteristics. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. The terms "connection" and "fixation" should be understood in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be a direct connection , can also be indirectly connected through an intermediary, and can be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In addition, the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered as a combination of technical solutions. Does not exist, nor is it within the scope of protection required by the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims

A luminous bumper for an automobile, characterized in that it includes a bumper skin and a light-transmitting blocking trim, the light-transmitting blocking trim is located behind the bumper skin, and the bumper skin has a light-transmitting through hole. A light-emitting component is arranged behind the light-transmitting blocking trim, and the light-emitting component has a light source. The light-transmitting blocking trim has an inner surface and an outer surface. With a colored layer, the bumper skin has the natural color of the bumper presented by the colored layer when the light source is turned off, and when the light source is turned on, the light passes through the light-transmitting blocking trim and passes through the light-transmitting through hole to emit light.
The automobile luminous bumper according to claim 1, characterized in that the light-transmitting blocking trim is installed with the bumper skin and covers the light-transmitting through hole.
The automobile luminous bumper according to claim 1, characterized in that, the light-transmitting blocking trim has a protruding part, and the protruding part is embedded in the light-transmitting through hole.
A luminous bumper for automobile according to claim 2 or 3, characterized in that the bumper also includes a lampshade, the light-transmitting blocking trim and the lampshade are integrally structured, and the colored layer is attached to the lampshade internal or external surface.
The automobile luminous bumper according to claim 4, characterized in that, the outer surface of the lampshade has a primer layer, and the outer surface of the primer layer has a colored layer.
A luminous bumper for automobile according to claim 4, characterized in that, the inner surface of the lampshade has a primer layer, and the inner surface of the primer layer has a colored layer.
The luminous bumper for automobile according to claim 2 or 3, characterized in that, the light-transmitting blocking trim and the lampshade are in a separate structure, and the light-transmitting blocking trim is located between the bumper skin and the lampshade During this period, the colored layer is attached to the inner surface or the outer surface of the light-transmitting blocking trim.
The automobile luminous bumper according to claim 7, characterized in that, the outer surface of the light-transmitting blocking trim has a primer layer, and there is a colored layer on the outer surface of the primer layer.
The automobile luminous bumper according to claim 8, characterized in that, the inner surface of the light-transmitting blocking trim has a primer layer, and the inner surface of the primer layer has a colored layer.
The automobile luminous bumper according to claim 1, wherein the colored layer is a colored light-transmitting paint layer, a PVD coating or a film layer, and the bumper skin is made of opaque PP material.