WO2017088341A1 - Screen mounting method, terminal assembling method, and terminal - Google Patents

Abstract

The present invention provides a screen mounting method, a terminal assembling method, and a terminal. The screen mounting method comprises: mounting a screen on a preset position in a metal housing; and extruding the side wall of the metal housing using a cold extrusion mold, so that the side wall of the metal housing is deformed towards the interior of the metal housing and seamlessly attached to the screen in the metal housing. In the technical solution, a metal housing is plastically deformed towards a screen by extruding the metal housing after the screen is mounted in the metal housing, so that the gap between the screen and the metal housing can be filled with the plastic deformation and the metal housing is tightly attached to the side wall of the screen, thereby implementing seamless mounting between the screen and the metal housing after the screen is assembled to the metal housing. In addition, one-time extrusion molding can be implemented during the extrusion process by a cold extrusion mold, thereby improving the screen mounting efficiency.

Description

Screen installation method, terminal assembly method, and terminal Technical field

The present invention relates to the field of installation of a screen, and in particular to a method for installing a screen, a method for assembling the terminal, and a terminal.

Background technique

The existing touch screen (TP) is fixed by the bottom double-sided tape or the glue is fixed, and in order to enable the TP to be smoothly assembled on the casing, it is necessary to reserve an assembly gap between the casing and the touch screen, and the gap is easy to accumulate on the one hand. Ash, on the other hand, reduces the sealing performance of the product, thereby easily damaging the electronic components mounted in the housing and under the touch screen.

Therefore, how to design a new installation method for seamlessly mounting the screen on the casing has become an urgent problem to be solved.

Summary of the invention

The present invention is based on the above problems, and proposes a new mounting method for seamlessly mounting a screen on a metal case.

In view of this, an aspect of the present invention provides a method of installing a screen, comprising: mounting a screen at a preset position in a metal shell; and pressing a side wall of the metal shell with a cold extrusion die to make the The sidewall of the metal shell is deformed into the metal shell and seamlessly conforms to the screen in the metal shell.

In the technical solution, after the screen is mounted on the preset position in the metal shell, the metal shell can be plastically deformed toward the screen by pressing the metal shell, so that the plastic deformation can fill the screen and the metal shell. The gap between the metal shell and the side wall of the screen fits snugly, so that after the screen is assembled to the metal shell, a seamless installation between the screen and the metal shell can be achieved. At the same time, the extrusion process is performed by cold extrusion using a cold extrusion die, that is, extrusion without heating, thereby preventing the electronic components in the metal casing from being damaged by heat. Specifically, the preset position is a position to be installed in the metal shell of the screen, for example, for a mobile terminal such as a mobile phone, the metal shell One end is open, and the screen is generally embedded in the opening, so the preset position is the opening. At the same time, when the metal shell is specifically extruded, a special cold extrusion die can be preset, and a cavity corresponding to the shape and size of the casing can be processed on the cold extrusion die, so that the cold extrusion die can be Just outside the metal shell, the cold extrusion die can be used to simultaneously press the outer side of the metal shell to achieve one-shot extrusion of the metal shell, thereby improving the installation efficiency of the screen.

In the above technical solution, preferably, before the mounting the screen on the preset position in the metal shell, the method further comprises: chamfering is performed around the screen.

In the technical solution, the chamfering can increase the deformation amount of the metal shell, so that after the metal shell is deformed, the metal shell can correspondingly form a slope corresponding to the chamfer, which can further prevent the screen from sliding inside the metal shell. Out, which can improve the reliability of screen installation.

In the above technical solution, preferably, the angle of the chamfer is greater than 0° and less than 90°.

In this technical solution, the angle of chamfering is preferably from 30 to 60.

In the above technical solution, preferably, the installing the screen in a preset position in the metal shell comprises: gluing the screen at the preset position or using a limiting member in the metal shell to The screen is limited to the preset position.

In this technical solution, the screen can be glued to a preset position of the metal shell by means of a bottom double-sided tape or a dispensing method, or a support member such as a support block can be disposed on the inner wall of the metal shell. The screen position is mounted on the preset position of the metal shell, and the above manner can play a preliminary positioning role on the screen, thereby preventing the screen from being moved or tilted during the cold extrusion process, thereby ensuring the crowding. After the pressure is installed, the screen can still be accurately installed in the preset position.

In the above technical solution, preferably, the sidewall of the metal shell includes two opposite first and second sidewalls, wherein the first sidewall and the second sidewall are After being deformed inside the metal casing, the screen is pressed and seamlessly fitted to the screen.

In this technical solution, the side wall of the metal shell includes two opposite first and second side walls, so that when the first side wall and the second side wall are simultaneously pressed inward from both sides of the metal shell, A side wall and a second side wall can be deformed inwardly from both sides of the screen and clamp the screen, so that a seamless fit between the screen and the metal shell can be achieved, and the side wall of the metal shell can be squeezed into the screen. Press fixed. Of course, after the extrusion deformation, the first side wall and the second side wall may not squeeze the screen, but just change Shaped to the position that fits seamlessly with the screen, that is, the side wall of the metal shell just fits the screen, and there is no pressing force between the screen and the screen. In this case, the double-sided tape or the point can be passed through the bottom. The fixing of the glue fixes the screen to the preset position of the metal shell to achieve final fixing of the screen in the metal casing.

Preferably, the screen is fixed by the bottom double-sided tape or the fixing method of the glue to fix the screen to the preset position of the metal shell, and the side wall of the metal shell is pressed against the screen by the cold extrusion process, thereby realizing the metal shell. When it is seamlessly attached to the screen, it can achieve double fixation of gluing and extrusion between the metal shell and the screen.

In the above technical solution, preferably, the side wall of the metal shell is disposed in a ring shape, wherein after the sidewall of the metal shell is deformed into the metal shell, the screen is pressed and seamlessly with the screen fit.

In this technical solution, the ring shape may be a polygon such as a triangle or a quadrangle, and a circle. Of course, it may also be a shape in which a polygon, a circle, an arc, and the like are combined with each other. Specifically, the ring shape conforms to the shape of the screen, thereby passing the cold. Extrusion enables seamless fit between the screen and the side walls of the metal shell, as well as the ability to press and hold each other.

In the above technical solution, preferably, the side wall of the deformed metal shell includes a bead, and the bead is seamlessly attached to the screen.

In this technical solution, the upper end surface of the metal shell can be disposed higher than the upper end surface of the screen, so that a hem can be formed on the side wall and the upper end surface of the screen, preferably, the hem and the screen are also For seamless fit.

In the above technical solution, preferably, the metal shell is an aluminum alloy shell, and the screen is a touch screen.

A second aspect of the present invention provides a method for assembling a terminal. The method for assembling the terminal uses the method for installing a screen provided by any one of the first embodiments to perform screen installation of the terminal. Before installing the screen, the method further includes: The screen panel and the screen module are assembled into the screen.

In this technical solution, the screen of the terminal is screen-mounted by the installation method of the screen according to any one of the first aspects, so that there is no gap between the installed screen and the metal shell of the terminal, thereby avoiding the terminal. There is a phenomenon such as dust accumulation at the gap. Specifically, the terminal screen includes a screen panel and a screen module under the screen panel, and in the specific extrusion installation process, the screen panel and the screen module can be simultaneously squeezed and installed.

A third aspect of the present invention provides a terminal assembled by using the terminal assembly method provided by the second aspect, so that there is no gap between the metal shell of the terminal and the terminal screen.

DRAWINGS

1 is a flow chart showing a method of installing a screen according to an embodiment of the present invention;

2 is a flow chart showing a method of assembling a terminal according to an embodiment of the present invention;

FIG. 3 is a block diagram showing the structure of a terminal according to an embodiment of the present invention; FIG.

4 is a flow chart showing a method of installing a screen according to an embodiment of the present invention;

FIG. 5 is a schematic diagram showing a state structure of a terminal according to an embodiment of the present invention; FIG.

Figure 6 shows an enlarged schematic view of A in Figure 5;

FIG. 7 is a schematic structural diagram of a method of assembling a terminal according to an embodiment of the present invention; FIG.

FIG. 8 is a block diagram showing another state structure of a terminal according to an embodiment of the present invention; FIG.

Fig. 9 is an enlarged schematic view showing a portion B in Fig. 8.

detailed description

The above described objects, features and advantages of the present invention will become more apparent from the detailed description of the appended claims. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a full understanding of the invention, but the invention may be practiced otherwise than as described herein. Limitations of the embodiments.

FIG. 1 is a flow chart showing a method of installing a screen according to an embodiment of the present invention.

As shown in FIG. 1, an aspect of the present invention provides a method for installing a screen, including:

Step 102, installing the screen in a preset position in the metal shell;

In this step, the preset position is a position to be installed in the metal shell of the screen. For example, for a mobile terminal such as a mobile phone, an end surface of the metal shell is open, and the screen is generally embedded in the open position, so the preset position is For the opening.

Step 104, pressing a sidewall of the metal shell with a cold extrusion die, deforming a sidewall of the metal shell into the metal shell, and seamlessly adhering to the screen in the metal shell.

In this step, a special cold extrusion die can be preset in the specific extrusion of the metal shell. Forming a cavity corresponding to the shape and size of the casing on the cold extrusion die, so that the cold pressing die can be just sleeved outside the metal casing, so that the cold extrusion die can be used to simultaneously extrude the metal The outer side of the shell is used for one-time extrusion molding of the metal shell, thereby improving the installation efficiency of the screen.

In the technical solution, after the screen is mounted on a preset position in the metal shell, the metal shell can be plastically deformed toward the screen by pressing the metal shell, so that the plastic deformation can fill the screen and the metal shell. The gap between the metal shell and the side wall of the screen is closely fitted, so that after the screen is assembled to the metal shell, the seamless installation between the screen and the metal shell can be achieved. At the same time, the extrusion process is performed by cold extrusion using a cold extrusion die, that is, extrusion without heating, thereby preventing the electronic components in the metal casing from being damaged by heat.

In the above technical solution, preferably, before the mounting the screen on the preset position in the metal shell, the method further comprises: chamfering is performed around the screen.

In the technical solution, the chamfering can increase the deformation amount of the metal shell, so that after the metal shell is deformed, the metal shell can correspondingly form a slope corresponding to the chamfer, which can further prevent the screen from sliding inside the metal shell. Out, which can improve the reliability of screen installation.

In the above technical solution, preferably, the angle of the chamfer is greater than 0° and less than 90°.

In this technical solution, the angle of chamfering is preferably from 30 to 60.

In the above technical solution, preferably, installing the screen in a preset position in the metal shell comprises: gluing the screen at the preset position or using a limiting member in the metal shell The screen is limited to the preset position.

In this technical solution, the screen can be glued to a preset position of the metal shell by means of a bottom double-sided tape or a dispensing method, or a support member such as a support block can be disposed on the inner wall of the metal shell. The screen position is mounted on the preset position of the metal shell, and the above manner can play a preliminary positioning role on the screen, thereby preventing the screen from being moved or tilted during the cold extrusion process, thereby ensuring the crowding. After the pressure is installed, the screen can still be accurately installed in the preset position.

At the same time, in the technical solution, the final fixing of the screen in the metal casing can also be realized directly by the bottom double-sided tape or the fixing method of the dispensing, so that the screen is not required to be clamped and fixed by using the side wall of the metal shell, that is to say, In this case, after the side wall of the metal shell is deformed, the side wall of the metal shell only needs to be seamlessly fitted to the screen without providing a clamping fixing force for the screen.

In the above technical solution, preferably, the sidewall of the metal shell includes two opposite first and second sidewalls, wherein the first sidewall and the second sidewall are After being deformed inside the metal casing, the screen is pressed and seamlessly fitted to the screen.

In this technical solution, the side wall of the metal shell includes two opposite first and second side walls, so that when the first side wall and the second side wall are simultaneously pressed inward from both sides of the metal shell, A side wall and a second side wall can be deformed inwardly from both sides of the screen and clamp the screen, so that a seamless fit between the screen and the metal shell can be achieved, and the side wall of the metal shell can be squeezed into the screen. Press fixed. Of course, after the extrusion deformation, the first side wall and the second side wall may not be pressed against the screen, but just deformed to a position that seamlessly fits the screen, that is, the side wall of the metal shell is just exactly the screen. Fitted, and there is no pressing force between the screen and the screen. In this case, the screen can be glued to the preset position of the metal shell by the bottom double-sided tape or the glue fixing method to realize the screen in the metal casing. The final fix.

Preferably, the screen is fixed by the bottom double-sided tape or the fixing method of the glue to fix the screen to the preset position of the metal shell, and the side wall of the metal shell is pressed against the screen by the cold extrusion process, thereby realizing the metal shell. When it is seamlessly attached to the screen, it can achieve double fixation of gluing and extrusion between the metal shell and the screen.

In the above technical solution, preferably, the side wall of the metal shell is disposed in a ring shape, wherein after the sidewall of the metal shell is deformed into the metal shell, the screen is pressed and seamlessly with the screen fit.

In this technical solution, the ring shape may be a polygon such as a triangle or a quadrangle, and a circle. Of course, it may also be a shape in which a polygon, a circle, an arc, and the like are combined with each other. Specifically, the ring shape conforms to the shape of the screen, thereby passing the cold. Pressurization enables seamless fit between the screen and the side walls of the metal shell, as well as the ability to press and hold each other.

In the above technical solution, preferably, the side wall of the deformed metal shell includes a bead, and the bead is seamlessly attached to the screen.

In this technical solution, the upper end surface of the metal shell can be disposed higher than the upper end surface of the screen, so that a hem can be formed on the side wall and the upper end surface of the screen, preferably, the hem and the screen are also For seamless fit.

In the above technical solution, preferably, the metal shell is an aluminum alloy shell, and the screen is a touch screen.

FIG. 2 is a flow chart showing a method of assembling a terminal according to an embodiment of the present invention.

As shown in FIG. 2, a second aspect of the present invention provides a method for assembling a terminal, including:

Step 202, assembling a screen panel and a screen module into the screen;

Step 204, installing the screen on a preset position in the metal shell;

Step 206, pressing a sidewall of the metal shell with a cold extrusion die, deforming a sidewall of the metal shell into the metal shell, and seamlessly adhering to the screen in the metal shell.

In this technical solution, the screen of the terminal is screen-mounted by the installation method of the screen according to any one of the first aspects, so that there is no gap between the installed screen and the metal shell of the terminal, thereby avoiding the terminal. There is a phenomenon such as dust accumulation at the gap. Specifically, the screen of the terminal includes a screen panel and a screen module under the screen panel, and in the specific extrusion installation process, the screen panel and the screen module can be simultaneously squeezed and installed.

FIG. 3 shows a schematic block diagram of a structure of a terminal in accordance with one embodiment of the present invention.

A third aspect of the present invention provides a terminal 300 that is assembled using the assembly method of the terminal provided by the second aspect, so that there is no gap between the metal shell 310 of the terminal and the screen 320 of the terminal.

A schematic flowchart of a method for installing a screen provided by a specific embodiment of the present invention is described below with reference to FIG.

As shown in FIG. 4, the installation method of the screen provided by this embodiment includes:

Step 402, processing a chamfer around the screen;

In this step, the chamfering can increase the deformation amount of the metal shell, so that after the metal shell is deformed, the metal shell can correspondingly form a slope corresponding to the chamfer, which can further prevent the screen from sliding out of the metal shell. , which can improve the reliability of the screen installation.

Step 404, installing the chamfered screen on a preset position in the metal shell;

In this step, the screen can be glued to the preset position of the metal shell by fixing the bottom double-sided tape or dispensing, or by setting a support block such as a support block on the inner wall of the metal shell. The screen limit is installed on the preset position of the metal shell. By the above manner, the screen can be initially positioned, thereby preventing the screen from being moved or tilted during the cold extrusion process, thereby ensuring the squeeze. After installation, the screen can still be accurately installed in the preset position.

Step 406, pressing a sidewall of the metal shell with a cold extrusion die to deform a sidewall of the metal shell into the metal shell and seamlessly conforming to the screen in the metal shell.

In this step, the extrusion process is carried out by a cold extrusion process, that is, without heating, thereby preventing the electronic components in the metal casing from being damaged by heat. Specifically, the step includes:

Applying a cold extrusion die to a metal shell with a screen;

Pressing the cold extrusion die;

After the extrusion is completed, the extrusion die can be removed to complete the installation of the screen.

In summary, the embodiment can provide a certain deformation space for the side wall of the metal shell by processing the chamfer on the screen, thereby increasing the deformation amount of the metal shell, thereby increasing the squeeze installation of the metal shell on the screen. At the same time, when the screen is specifically mounted on the predetermined position in the metal shell, that is, the position to be installed, a limiting piece such as a support block may be disposed on the inner wall of the metal shell to pre-position the installation position of the screen. Of course, the pre-positioning of the screen can also be achieved by means of a bottom double-sided tape or a dispensing method, so that when the metal shell is pressed by the cold extrusion die, the screen does not move or tilt in the metal shell. In addition, since the cold extrusion process is employed in this example, there is no need to heat the metal shell, thereby simplifying the steps and avoiding the damage of the electronic components in the metal shell due to heat, and at the same time, due to the cold extrusion The process, the side wall of the metal shell can generate a sufficient amount of deformation in the direction of the screen to fill the gap between the metal shell and the screen, and then closely fits the side wall of the screen, thereby realizing the screen and the screen easily and conveniently. Seamless installation between metal shells.

In addition, in step 404, the final fixing of the screen in the metal casing can also be achieved directly by the bottom double-sided tape or the fixing method of the dispensing, so that in step 406, the screen is not required to be clamped by the side wall of the metal casing. Tightly fixed, that is to say, in this case, after the side wall of the metal shell is deformed, the side wall of the metal shell only needs to be seamlessly fitted to the screen without providing a clamping fixing force for the screen.

The method for installing the screen, the method for assembling the terminal, and the terminal provided by the present invention are specifically described below with reference to FIGS. 5 to 9.

Specifically, as shown in FIG. 5 and FIG. 6, the screen panel 11 may be first assembled on the screen module 12 to form the screen 1 to be installed, and then the chamfer 13 is machined on the screen 1, and then the screen 1 is mounted on the screen 1. The predetermined position of the metal shell 2, wherein the lower end surface of the screen 1 can be abutted by the stopper, and as can be seen from FIG. 6, at this time, the assembly gap 3 is included between the screen 1 and the metal shell 2.

Thereafter, as shown in Fig. 7, the cold extrusion die 4 is sleeved on the upper end of the metal shell 2, and a force F as shown in Fig. 7 is applied to the extrusion die 4.

Thereafter, the extrusion die 4 is removed, and the terminal shown in Fig. 8 is obtained, that is, the mounting of the screen and the assembly of the terminal are realized. It can be seen from FIG. 9 that the terminal assembled by this method does not have any assembly gap between the screen 1 and the metal shell 2.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims (10)

A method for installing a screen, comprising: Mounting the screen in a preset position inside the metal case; The side wall of the metal shell is pressed by a cold extrusion die such that the side wall of the metal shell is deformed into the metal shell and seamlessly conforms to the screen in the metal shell. The method of installing a screen according to claim 1, further comprising: before the mounting the screen in a preset position in the metal shell, the method further comprising: A chamfer is machined around the screen. The method of installing a screen according to claim 2, wherein the angle of the chamfer is greater than 0° and less than 90°. The method of installing a screen according to claim 1, wherein the mounting the screen at a preset position in the metal shell comprises: The screen is glued to the preset position or the screen is used to limit the screen to the preset position. The method of installing a screen according to any one of claims 1 to 4, wherein the side wall of the metal shell comprises two opposite first and second side walls, wherein the After the one side wall and the second side wall are deformed into the metal shell, the screen is pressed and seamlessly fitted to the screen. The method of installing a screen according to any one of claims 1 to 4, wherein a side wall of the metal shell is disposed in a ring shape, wherein a side wall of the metal shell is deformed into the metal shell Squeezing the screen and seamlessly conforming to the screen within the metal casing. The method of installing a screen according to any one of claims 1 to 4, wherein the side wall of the deformed metal shell includes a bead, and the bead is seamlessly attached to the screen. A method of installing a screen according to any one of claims 1 to 4, characterized in that The metal shell is an aluminum alloy shell, and the screen is a touch screen. A method for assembling a terminal, wherein the screen is installed by using the method for installing a screen according to any one of claims 1 to 8, wherein before installing the screen, the method further includes: The screen panel and the screen module are assembled into the screen. A terminal characterized in that the terminal is assembled by the assembly method of the terminal according to claim 9.

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