CN212781320U

CN212781320U - Light guide double-color injection molding splicing structure

Info

Publication number: CN212781320U
Application number: CN202021562090.0U
Authority: CN
Inventors: 魏日伟; 钱程
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-23
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a light guide double-color injection molding splicing structure, which comprises a first color layer and a second color layer, wherein one side of the first color layer is provided with a bulge protruding out of the surface of the first color layer; the second color layer and the first color layer are arranged oppositely, one side, adjacent to the position of the first color layer, of the second color layer is provided with a groove which is inwards concave along the thickness direction of the second color layer, the protrusion is inserted into the groove, and the first color layer and the second color layer are formed through injection molding. The light guide double-color injection molding splicing structure has the advantages of high splicing strength, good stability, high durability and the like.

Description

Light guide double-color injection molding splicing structure

Technical Field

The utility model belongs to the technical field of the double-colored head-light, concretely relates to double-colored mosaic structure that moulds plastics of light guide.

Background

With the deepening and innovation of modern scientific research technology, the automobile industry is rapidly developed. In the modern automotive lamp industry, higher requirements are made on the appearance and performance of automotive lamps, and in order to comply with the trend of the times, optical members such as thick-walled members are widely used. The structure of the hazard lamps that the optical performance is affected by assembly errors is most common because the double-color thick-walled light guide integrates multiple functions on the same product, and the defect of insufficient splicing strength often occurs in the double-color thick-walled light guide.

At present, the following two measures are generally adopted for the problem of poor double-color injection molding splicing of thick-wall light guide: the first scheme is as follows: the two-color split has two part disadvantages: the uniformity of light distribution is reduced; the assembly structure is not firm; the production cost is increased. Scheme II: the thin-wall area of the thick-wall part increases the wall thickness: the structure has interference risk; increasing the cost of production of the individual parts.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

Therefore, the utility model provides a double-colored mosaic structure of moulding plastics of light guide, this double-colored mosaic structure of moulding plastics of light guide have advantages such as splice strength height, stability are good and durability height.

According to the utility model discloses light guide bicolor mosaic structure of moulding plastics, include: the color filter comprises a first color layer, a second color layer and a third color layer, wherein one side of the first color layer is provided with a bulge protruding out of the surface of the first color layer; the second color layer is opposite to the first color layer, one side, adjacent to the position of the first color layer, of the second color layer is provided with a groove which is inwards sunken along the thickness direction of the second color layer, the protrusion is inserted into the groove, and the first color layer and the second color layer are formed through injection molding.

According to the utility model discloses light guide bicolor mosaic structure of moulding plastics combines together first chromatograph and second chromatograph, when guaranteeing spare part intensity and performance, can reduction in production cost, improves production efficiency.

According to an embodiment of the present invention, the first color layer and the second color layer are plate-shaped members, respectively.

According to the utility model discloses an embodiment, bellied lateral wall with the internal face laminating of recess.

According to an embodiment of the invention, the depth of the groove is greater than the length of the protruding plug-in section.

According to an embodiment of the present invention, the depth to which the protrusion is inserted into the groove is 0.5 mm to 1 mm.

According to one embodiment of the present invention, the groove is formed in a v-21274h-shaped cross-section.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a light guide double-color injection molding splicing structure according to an embodiment of the present invention.

Reference numerals:

a light guide two-color injection molding splicing structure 100;

a first color layer 10;

a second color layer 20.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes the light guide dual-color injection molding splicing structure 100 according to an embodiment of the present invention with reference to the drawings.

As shown in fig. 1, according to the utility model discloses light guide double-shot molding mosaic structure 100, include: a first color layer 10 and a second color layer 20.

Specifically, a protrusion protruding from the surface of the first color layer 10 is disposed on one side of the first color layer 10, the second color layer 20 is disposed opposite to the first color layer 10, a groove recessed inwards along the thickness direction is disposed on one side of the second color layer 20 adjacent to the first color layer 10, the protrusion is inserted into the groove, and the first color layer 10 and the second color layer 20 are formed by injection molding.

In other words, according to the utility model discloses light guide double-shot moulding mosaic structure 100 mainly comprises first colour layer 10 and second colour layer 20, and wherein, first colour layer 10 one side is equipped with the arch, and second colour layer 20 cooperatees with the shape of first colour layer 10. The second color layer 20 is provided with a groove which is recessed inwards along the thickness direction thereof, and the protrusion on the surface of the first color layer 10 is connected with the groove in an inserted manner. The first color layer 10 and the second color layer 20 are injection-molded parts.

From this, according to the utility model discloses light guide double-colored mosaic structure 100 that moulds plastics combines together first colour layer 10 and second colour layer 20, when guaranteeing spare part intensity and performance, can reduction in production cost, improves production efficiency.

According to one embodiment of the present invention, first color layer 10 and second color layer 20 are each a plate-shaped member. The plate-shaped part has simple structure, is easy to form and convenient to process, and can save time, thereby improving the production efficiency.

The utility model discloses an among some concrete embodiments, the laminating of the internal face of bellied lateral wall and recess, product processing, change convenient and fast, production efficiency is high. This simple structure, reasonable in design is fit for using widely on a large scale.

Optionally, the depth of the recess is greater than the length of the protruding plug section. The product precision is high, and the concatenation intensity is high to guarantee the stability and the durability of light guide double-colored mosaic structure 100 of moulding plastics.

In some embodiments of the present invention, the depth of the protrusion inserted into the groove is 0.5 mm to 1 mm, so as to ensure the compact structure and avoid the waste of the process.

According to one embodiment of the present invention, the cross-section of the groove is formed in a shape of a v 21274j. The groove is designed into a shape of '21274', so that the groove can be better matched and connected with the convex part of the first color layer 10, and the compactness of the whole structure is ensured.

To sum up, according to the utility model discloses two-color injection moulding mosaic structure 100 of light guide in the embodiment combines together first colour layer 10 and second colour layer 20, can improve the product precision, and the joint strength is high, stability is good, the durability is high, product processing, change convenient and fast, and production efficiency is high. Moreover, the structure is simple, the design is reasonable, and the device is suitable for large-scale popularization and use.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A light guide bicolor injection molding splicing structure is characterized by comprising:

the color filter comprises a first color layer, a second color layer and a third color layer, wherein one side of the first color layer is provided with a bulge protruding out of the surface of the first color layer;

the second color layer is opposite to the first color layer, one side, adjacent to the position of the first color layer, of the second color layer is provided with a groove which is inwards sunken along the thickness direction of the second color layer, the protrusion is inserted into the groove, and the first color layer and the second color layer are formed through injection molding.

2. The light guide two-color injection molded mosaic structure of claim 1, wherein said first color layer and said second color layer are each plate-shaped members.

3. The light guide bicolor injection molding splice structure of claim 1, wherein the outer sidewall of the protrusion is attached to the inner wall surface of the groove.

4. The light guide bi-color injection molded mosaic structure of claim 1, wherein said grooves have a depth greater than the length of said raised mating portions.

5. The light guide two-color injection molded mosaic structure of claim 1, wherein said protrusions are inserted into said grooves to a depth of 0.5 mm to 1 mm.

6. The light guide two-color injection molded mosaic structure of claim 1, wherein said grooves are formed in a v-21274h-shaped cross-section.