CN215420357U

CN215420357U - Dazzle various cell-phone back cover

Info

Publication number: CN215420357U
Application number: CN202121541468.3U
Authority: CN
Inventors: 顾正; 陈栋; 包锦枫; 胡振华; 赵章林; 唐明虎; 邵宜健
Original assignee: Zhejiang Trillion Game Technology Co ltd
Current assignee: Zhejiang Trillion Game Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-04
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a colorful mobile phone rear cover, which comprises a rear cover and is characterized in that: the rear cover comprises a base material layer, a colorful layer, a surface treatment layer and an HC layer which are sequentially compounded; the substrate layer comprises a carbon fiber layer, and hollow-out positions are formed in the carbon fiber layer; the hollow-out position corresponds to the position of the mobile phone signal equipment; a priming layer used for shielding the woven lines of the carbon fiber layer and the glass fiber layer in the substrate layer is further arranged between the substrate layer and the colorful layer; dazzle various layer including compound highlight colour layer, UV rendition layer and coating film layer in proper order. Effectively shielding the weaving lines of the glass fiber and the carbon fiber material and preventing electromagnetic shielding.

Description

Dazzle various cell-phone back cover

Technical Field

The utility model relates to the field of mobile phone rear covers, in particular to a colorful mobile phone rear cover.

Background

With the improvement of living standard, consumers have new requirements for the experience of electronic consumer products. In order to improve the grip feeling and to be portable, consumer electronic products, especially mobile phones, need to be light and thin. The lightweight and high-strength glass fiber and carbon fiber materials are paid much attention under the background, however, the surface of the molded glass fiber and carbon fiber materials has obvious weaving lines, and how to realize surface decoration of the glass fiber and carbon fiber materials so as to realize diversification of the mobile phone rear cover is a great problem for engineers in the industry.

The mechanical property of the carbon fiber material is higher than that of glass fiber, but the carbon fiber can cause the electromagnetic shielding problem of mobile phone signals, and how to use the carbon fiber material on the mobile phone is also a great problem.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a colorful mobile phone rear cover which can effectively shield weaving lines of glass fibers and carbon fibers while using the glass fibers and the carbon fibers, and can prevent electromagnetic shielding.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a dazzle various cell-phone back lid, includes back lid, its characterized in that: the rear cover comprises a base material layer, a colorful layer, a surface treatment layer and an HC layer which are sequentially compounded; the substrate layer comprises a carbon fiber layer, and hollow-out positions are formed in the carbon fiber layer; the hollow-out position corresponds to the position of the mobile phone signal equipment; a priming layer used for shielding the woven lines of the carbon fiber layer and the glass fiber layer in the substrate layer is further arranged between the substrate layer and the colorful layer; dazzle various layer including compound highlight colour layer, UV rendition layer and coating film layer in proper order.

Preferably, the method comprises the following steps: the glass fiber layer is arranged in the hollow-out position.

Preferably, the method comprises the following steps: the shape of the glass fiber layer corresponds to that of the hollow position, and the edge of the glass fiber layer is attached to that of the hollow position.

Preferably, the method comprises the following steps: the substrate layer further comprises a second glass fiber layer, the second glass fiber layer is compounded with the carbon fiber layer, and the glass fiber layer is arranged in the hollow-out position.

Preferably, the method comprises the following steps: the bottom layer is a coating layer with the thickness of 10-40 μm.

Preferably, the method comprises the following steps: the highlight color layer is highlight color paint with the thickness of 5-20 mu m.

Preferably, the method comprises the following steps: the UV transfer printing layer is UV glue, and the thickness is 5-15 mu m.

Preferably, the method comprises the following steps: the coating layer is an optical coating and has a thickness of 20-800 nm.

Preferably, the method comprises the following steps: the surface treatment layer is a coating for protecting the coating layer, and the thickness is 2-10 mu m.

Preferably, the method comprises the following steps: the HC layer is a high-hardness and high-wear-resistance liquid coating layer, and the thickness of the HC layer is 2-10 mu m.

Preferably, the method comprises the following steps: the thickness of the base material layer is 0.2-1.5 mm.

The utility model has the beneficial effects that:

1. the glass fiber and the carbon fiber are applied to the rear cover of the mobile phone, and the lightweight and high strength of the rear cover of the mobile phone are realized.

2. The arrangement of the priming coat can well shield the glass fiber and carbon fiber materials with obvious weaving lines on the surface after molding.

3. Through set up fretwork position on the carbon fibre, and this fretwork position adaptation cell-phone 2G, 3G, 4G, 5G signal equipment's position can prevent electromagnetic shield like this.

4. Colorful effect is dazzled through highlight colour layer, UV rendition layer and coating film layer formation on the priming coat, covers behind the cell-phone that uses glass fibre, carbon fiber material and shows dazzling colorful effect.

5. The rear cover of the mobile phone has strong mechanical property by the common use of the glass fiber and the carbon fiber material.

6. The mobile phone rear cover is formed by the base material layer, the priming layer, the colorful layer, the surface treatment layer and the HC layer, and the mechanical property of the mobile phone rear cover is further improved by the mobile phone rear cover formed by compounding the layers.

Drawings

FIG. 1 is a schematic view of a rear cover according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a rear cover according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a substrate layer in a fifth embodiment of the present invention;

fig. 4 is a schematic structural diagram of a substrate layer according to a first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a substrate layer in the fourth embodiment of the present invention.

In the figure, 1 rear cover, 11HC layer, 12 surface treatment layer, 13 coating layer, 14UV transfer printing layer, 15 high light color layer, 16 priming layer, 17 base material layer, 171 carbon fiber layer, 1711 hollow-out hole, 172 glass fiber layer, 173 second glass fiber layer.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

the first embodiment is as follows:

as shown in fig. 1, 2 and 4, the present embodiment includes a rear cover 1, and the rear cover 1 includes a substrate layer 17, a glare layer, a surface treatment layer 12 and an HC layer 11, which are sequentially combined, wherein the sizes of the layers are matched.

Wherein the substrate layer 17 includes fine layer 171 of carbon and the fine layer 172 of glass, fretwork position 1711 has been seted up to fine layer 171 department of carbon, fretwork position 1711 is corresponding with cell-phone signal equipment position, fine layer 172 of glass sets up in fretwork position 1711 and size and fretwork position 1711 looks adaptation, specific fine layer 172 of glass comprises the fine felt of glass, fine layer 171 of carbon comprises the fine cloth of carbon, the fine felt shape of glass is corresponding with fretwork position 1711, and this fine felt edge of glass laminates with fretwork position 1711 edge mutually.

As shown in fig. 4, hollow portions 1711 are respectively disposed at the upper end and the lower end of the carbon fiber layer 171, a glass fiber felt is disposed in the hollow portions 1711, the splice is compression-molded by a compression molding machine, and the glass fiber/carbon fiber composite material is supported, so that the substrate layer 17 is formed.

Wherein, still be provided with between substrate layer 17 and the various layer of dazzling and be used for sheltering from the fine layer 171 of carbon and the fine layer 172 of glass in substrate layer 17 and weave the priming layer 16 of line.

The dazzling layer comprises a highlight color layer 15, a UV transfer printing layer 14 and a coating layer 13 which are sequentially compounded.

The base material layer 17 is made of a 2D or 3D molded glass fiber/carbon fiber composite material, and the thickness is 0.2 mm; the bottom layer 16 is a coating layer with the thickness of 10 mu m; the highlight color layer 15 is highlight color paint with the thickness of 5 mu m; the UV transfer printing layer 14 is UV glue with the thickness of 5 mu m; the coating layer 13 is an optical coating with the thickness of 20 nm; the surface treatment layer 12 is a coating for protecting the coating layer 13, and the thickness is 2 mu m; the HC layer 11 is a high-hardness high-wear-resistance liquid coating layer with the thickness of 2 mu m;

by limiting the thickness of each layer, the thickness of the mobile phone can be controlled, and the purpose of thinning the rear cover 1 of the mobile phone is achieved.

Wherein fretwork vacancy 1711 becomes trapezoidal form, and such shape is favorable to cutting and placing the fine felt of glass, and wherein fretwork vacancy 1711 is that two separate sets up from top to bottom respectively, and one of them cell-phone signal equipment is corresponding, reduces the general proportion of carbon fiber cloth like this, and the electromagnetic shield that carbon fiber cloth brought is reduced to the further step, combines carbon fiber cloth and the fine felt of glass simultaneously, guarantees mechanical properties.

One of them sets up in camera hole one side, has both avoided camera hole position to set up, can make like this when whole base material carries out camera hole trompil, can not set up the camera hole at the combination position of fine and carbon fiber, is favorable to overall structure's mechanical properties.

Example two:

the difference between the embodiment and the first embodiment is as follows: the material of the base material layer 17 is a 2D or 3D molded glass fiber/carbon fiber composite material, and the thickness is 1.5 mm; the bottom layer 16 is a coating layer with the thickness of 40 mu m; the highlight color layer 15 is highlight color paint with the thickness of 20 mu m; the UV transfer printing layer 14 is UV glue with the thickness of 15 mu m; the coating layer 13 is an optical coating and has the thickness of 800 nm; the surface treatment layer 12 is a coating for protecting the coating layer 13, and the thickness is 10 mu m; the HC layer 11 is a high-hardness and high-wear-resistance liquid coating layer and has a thickness of 10 μm.

Example three:

the difference between the embodiment and the first embodiment is as follows: the material of the base material layer 17 is a 2D or 3D molded glass fiber/carbon fiber composite material, and the thickness is 1 mm; the bottom layer 16 is a coating layer with the thickness of 25 mu m; the highlight color layer 15 is highlight color paint with the thickness of 25 mu m; the UV transfer printing layer 14 is UV glue with the thickness of 10 mu m; the coating layer 13 is an optical coating with the thickness of 300 nm; the surface treatment layer 12 is a coating for protecting the coating layer 13, and the thickness is 6 mu m; the HC layer 11 is a high-hardness and high-wear-resistance liquid coating layer and has a thickness of 6 μm.

Example four:

the present embodiment differs from the first embodiment in that the base material layer 17 is different:

wherein as shown in fig. 5, specific substrate layer 17 is including the fine layer 172 of glass, the fine layer 171 of carbon and the fine layer 173 of second glass, this fine layer 173 of second glass is compound mutually with the fine layer 171 of carbon, this fine layer 172 of glass sets up in fretwork position 1711, fine layer 172 of glass sets up in fretwork position 1711 and size and fretwork position 1711 looks adaptation, fine layer 172 of specific glass and the fine layer 173 of second glass comprise the fine felt of glass, fine layer 171 of carbon comprises the fine cloth of carbon, fine layer 172 of glass shape is corresponding with fretwork position 1711, and the fine layer 172 of glass edge laminates with fretwork position 1711 edge mutually.

Through the fine layer 173 looks complex formation substrate layer 17 of carbon fiber 171 and the second glass, can further promote mechanical properties like this, fill up fretwork position 1711 through fine layer 172 of glass simultaneously, and the upper and lower surface of fine layer 172 of glass and the surperficial parallel and level of carbon fine layer 171 of carbon, can more be favorable to the compression molding machine to its press mold formation like this, the fashioned substrate layer 17 of press mold like this, can not form in fretwork position 1711 and sink, guarantee the stability of the holistic structure of substrate layer 17.

Example five:

wherein as shown in fig. 3, specific substrate layer 17 includes carbon fiber layer 171, fretwork position 1711 has been seted up to carbon fiber layer 171 department, this fretwork position 1711 is corresponding with cell-phone signal equipment position, and carbon fiber layer 171 comprises the fine cloth of carbon, will have the fine cloth of carbon of fretwork position 1711 again and directly carry out compression molding, form carbon fiber layer 171, cell-phone signal equipment can pass through fretwork position 1711 direct transmission signal like this, prevent the electromagnetic shield, adopt carbon fiber layer 171 simultaneously, make than traditional promotion mechanical properties.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a dazzle various cell-phone back lid, includes back lid, its characterized in that: the rear cover comprises a base material layer, a colorful layer, a surface treatment layer and an HC layer which are sequentially compounded;

the substrate layer comprises a carbon fiber layer, and hollow-out positions are formed in the carbon fiber layer; the hollow-out position corresponds to the position of the mobile phone signal equipment;

a priming layer used for shielding the woven lines of the carbon fiber layer and the glass fiber layer in the substrate layer is further arranged between the substrate layer and the colorful layer;

dazzle various layer including compound highlight colour layer, UV rendition layer and coating film layer in proper order.

2. The colorful mobile phone rear cover as claimed in claim 1, characterized in that: the glass fiber layer is arranged in the hollow-out position.

3. The colorful mobile phone rear cover as claimed in claim 2, characterized in that: the shape of the glass fiber layer corresponds to that of the hollow position, and the edge of the glass fiber layer is attached to that of the hollow position.

4. The colorful mobile phone rear cover as claimed in claim 1, characterized in that: the substrate layer further comprises a second glass fiber layer, the second glass fiber layer is compounded with the carbon fiber layer, and the glass fiber layer is arranged in the hollow-out position.

5. The colorful mobile phone rear cover as claimed in claim 1, characterized in that: the bottom layer is a coating layer with the thickness of 10-40 μm.

6. The colorful mobile phone rear cover as claimed in claim 1, characterized in that: the highlight color layer is highlight color paint with the thickness of 5-20 mu m.

7. The colorful mobile phone rear cover as claimed in claim 1, characterized in that: the UV transfer printing layer is UV glue, and the thickness is 5-15 mu m.

8. The colorful mobile phone rear cover as claimed in claim 1, characterized in that: the coating layer is an optical coating and has a thickness of 20-800 nm.

9. The colorful mobile phone rear cover as claimed in claim 1, characterized in that: the surface treatment layer is a coating for protecting the coating layer, and the thickness is 2-10 mu m.

10. The colorful mobile phone rear cover as claimed in claim 1, characterized in that: the HC layer is a high-hardness and high-wear-resistance liquid coating layer, and the thickness of the HC layer is 2-10 mu m.