CN104601762A - Mobile terminal - Google Patents

Abstract

The invention is applicable to the technical field of electronic products, provides a mobile terminal, and aims to solve the technical defects caused by the dispensing method in the prior art. The mobile terminal includes a shell, a front shell assembly, a touch display assembly, a back cover assembly, a circuit board and a battery; the back cover assembly includes a back cover support and a soft rubber ring connected to the edge of the back cover support, and the back cover support is fixed on the front On the shell component, the soft rubber ring and the back cover support are injection molded into one body and engaged between the touch display component and the shell. The mobile terminal injects a soft rubber ring on the back cover bracket, and the soft rubber ring abuts against the edge of the touch display component to be airtightly connected between the touch display component and the casing, so as to avoid direct contact between the touch display component and the back cover bracket. Rigid contact plays a certain buffering role; makes the entire assembly process simple and is conducive to mass production; fills the gap between the touch display component and the housing with a soft rubber ring to prevent water and dust Effect.

Description

mobile terminal

technical field

The invention belongs to the technical field of electronic products, and in particular relates to a mobile terminal.

Background technique

At present, the use of mobile terminals is becoming more and more common, especially portable mobile terminals, such as mobile phones with a fully laminated touch screen structure, are favored by consumers due to their convenient operation and rich functions.

Usually, in the existing mobile terminals, in order to achieve the narrow edge effect, there is a gap between the touch screen of the mobile terminal and the casing, and the gap is generally realized by dispensing, and then assembled by curing. The glue method makes the production operation difficult, low in efficiency and low in yield.

Contents of the invention

The purpose of the present invention is to provide a mobile terminal, by setting a soft rubber ring between the touch screen and the casing and combining the soft rubber ring with the back cover bracket through injection molding, aiming to solve the problem of using dispensing in the prior art. technical deficiencies caused by the method.

The present invention is achieved like this, a kind of mobile terminal, comprises:

shell;

The front shell assembly forms an accommodating cavity with the shell;

A touch display component is arranged at the front end of the front shell component;

a rear cover assembly, accommodated in the accommodating cavity and close to one side of the housing;

A circuit board and a battery are accommodated in the accommodating cavity and between the rear cover assembly and the front case assembly, and the battery is connected to the circuit board;

Wherein, the rear cover assembly includes a rear cover bracket and a soft rubber ring connected to the edge of the rear cover bracket, the rear cover bracket is fixed on the front shell assembly, and the soft rubber ring is connected to the rear cover The bracket is injection molded into one body and engaged between the touch display component and the housing.

Further, the rear cover bracket includes a bracket body, first connecting blocks arranged at opposite ends of the bracket body, and a second connecting block connected between the first connecting block and the bracket body, the bracket The main body, the first connection block and the second connection block are connected as a whole.

Further, the bracket body and the first connecting block are formed by stamping from metal materials, and the second connecting block is made of plastic material.

Further, the bracket main body includes a bottom plate opposite to the touch display component and side walls bent and extended along opposite sides of the bottom plate, and the first connecting block and the side walls are enclosed and merged at corners A disconnection gap is formed; the soft rubber ring connects the side wall and the first connecting block into one body.

Further, the second connecting block is provided with a first fixing hole, and the front shell assembly is provided with a second fixing hole communicating with the first fixing hole, and is fixed to the inside the second fixing hole.

Further, the front shell assembly is formed by in-mold injection molding of stainless steel bracket, in-mold injection molding of die-cast aluminum or in-mold injection molding of die-cast magnesium.

Further, the touch display assembly includes a touch screen and a display screen, and the touch screen is located between the front shell assembly and the display screen.

Further, the touch screen is fixedly connected to the display screen in a fully bonded manner.

Further, the touch display component is glued to the front shell component.

Further, the shell is made of plastic or thin-walled metal.

The technical effect of the present invention relative to the prior art is: the mobile terminal injects a soft rubber ring on the back cover bracket, and the rear cover bracket is fixedly connected with the front shell assembly so that the soft rubber ring abuts against the front shell assembly. At the edge of the touch display component, the soft rubber ring is airtightly connected between the touch display component and the housing, on the one hand, it can avoid direct rigid contact between the touch display component and the rear cover bracket , to play a certain buffering role; on the other hand, it makes the whole assembly process simple, which is conducive to mass production; moreover, by filling the soft rubber ring in the gap between the touch display component and the housing In order to play the effect of waterproof and dustproof.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments of the present invention or in the description of the prior art. Obviously, the accompanying drawings described below are only illustrations of the present invention For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

FIG. 1 is a cross-sectional view of a mobile terminal provided by an embodiment of the present invention;

Fig. 2 is an exploded view of the mobile terminal in Fig. 1;

Fig. 3 is a schematic structural view of the rear cover assembly in Fig. 2;

FIG. 4 is an exploded view of the rear cover assembly in FIG. 3 .

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Please refer to Fig. 1 and Fig. 2, the mobile terminal provided by the embodiment of the present invention includes:

housing 10;

The front shell assembly 20 forms an accommodating cavity 12 with the shell 10;

A touch display component 30 is arranged on the front end of the front shell component 20;

The rear cover assembly 40 is accommodated in the accommodating cavity 12 and close to the side of the housing 10;

The circuit board 50 and the battery 60 are housed in the accommodating cavity 12 and located between the rear cover assembly 40 and the front case assembly 20, and the battery 60 is connected to the circuit board 50;

Wherein, the rear cover assembly 40 includes a rear cover support 42 and a soft rubber ring 45 connected to the edge of the rear cover support 42, the rear cover support 42 is fixed on the front shell assembly 20, the soft rubber The ring 45 is molded integrally with the back cover bracket 42 and engaged between the touch display assembly 30 and the housing 10 .

In the mobile terminal provided by the embodiment of the present invention, a soft rubber ring 45 is injected on the back cover bracket 42, and the back cover bracket 42 is fixedly connected with the front shell assembly 20 so that the soft rubber ring 45 abuts against the At the edge of the touch display assembly 30, the soft rubber ring 45 is airtightly connected between the touch display assembly 30 and the housing 10. On the one hand, it can prevent the touch display assembly 30 from contacting the back cover bracket. 42 in direct rigid contact, which plays a certain buffering role; on the other hand, it makes the entire assembly process simple and is conducive to mass production; moreover, by filling the soft rubber ring 45 in the touch display component 30 and the The gaps between the casings 10 are waterproof and dustproof.

In this embodiment, the battery 60 and the circuit board 50 are arranged side by side between the rear cover assembly 40 and the front shell assembly 20 . Preferably, the front case assembly 20 is provided with a storage cavity 22 facing the side of the rear cover for accommodating the battery 60, and the circuit board 50 is fixedly installed on the front case assembly 20 and connected with the battery 60 electrical connections. The rear cover bracket 42 is fixedly connected with the front shell assembly 20 .

Please refer to FIG. 1 and FIG. 2 , in this embodiment, the housing 10 and the front housing assembly 20 are fixedly installed, for example, can be fixed by glue bonding or by a buckle connection. Alternatively, the housing 10 is fixedly installed with the rear cover assembly 40 , for example, the housing 10 is glued or snap-fitted to the rear cover bracket 42 to achieve fixation.

Specifically, the soft rubber ring 45 is made of elastic or flexible material, for example, thermoplastic polyurethane elastic material, silicone or rubber material.

Please refer to FIG. 2 to FIG. 4 , further, the rear cover bracket 42 includes a bracket body 422 , first connecting blocks 424 arranged at opposite ends of the bracket body 422 and connected between the first connecting block 424 and the The second connection block 426 between the bracket bodies 422, the bracket body 422, the first connection block 424 and the second connection block 426 are connected as a whole. It can be understood that the rear cover bracket 42 is disposed opposite to the housing 10, the first connecting block 424 is located at the upper and lower ends or the left and right ends of the bracket main body 422, and the second connecting block 426 is fixedly connected An integral body is formed between the first connecting block 424 and the bracket main body 422 . Preferably, the second connection block 426 corresponds to the antenna area of the mobile terminal, so as to avoid interference with antenna signals.

Please refer to FIG. 2 and FIG. 3 , further, the bracket body 422 and the first connection block 424 are formed by stamping from metal materials, and the second connection block 426 is made of plastic material. It can be understood that the second connection block 426 is injection-molded between the first connection block 424 and the bracket main body 422 , and is used to ensure antenna signals. By injecting the soft rubber ring 45 at the edge of the bracket body 422 and the first connecting block 424, the contact display assembly 30 is prevented from contacting the metal bracket body 422 and the first connecting block 424. The connecting block 424 is in rigid contact to avoid damage to the touch display assembly 30 , thereby playing a certain protective role. Preferably, the metal material is a thin stainless steel material with certain elasticity, so as to ensure that the entire rear cover assembly 40 has expandable elasticity at the soft rubber ring 45, so as to be fastened to the front shell assembly 20 and the touch display component 30.

In this embodiment, the soft rubber ring 45 is molded on the edges of the first connecting block 424 and the side wall 4224 through secondary injection molding or double-color injection molding, which has high production efficiency and is convenient for mass production. In other embodiments, the soft rubber ring 45 may also be fixed on the edge of the first connecting block 424 and the side wall 4224 by means of bonding, clamping and other fixing methods.

In other embodiments, the bracket body 422 , the first connecting block 424 and the second connecting block 426 are all made of plastic materials, and the three are integrally formed.

Please refer to FIG. 3 and FIG. 4 , further, the bracket main body 422 includes a bottom plate 4222 opposite to the touch display assembly 30 and side walls 4224 bent and extended along opposite sides of the bottom plate 4222 , the first A connection block 424 surrounds the side wall 4224 and forms a break gap 4225 at a corner; the soft rubber ring 45 connects the side wall 4224 and the first connection block 424 into one body. It can be understood that the bottom plate 4222 is provided with a mounting hole 4226, and the screw is passed through the mounting hole 4226 and locked on the front shell assembly 20, so that the bracket body 422 is fixedly installed with the above-mentioned front shell assembly 20 , the installation hole 4226 is set on the side of the bottom plate 4222 close to the side wall 4224, the first connecting block 424 and the side wall 4224 enclose to form the side of the main body between, the The second connecting block 426 and the bottom plate 4222 are located on the same plane or arranged parallel to each other. The second connecting block 426 connects the first connecting block 424 and the bracket main body 422 as a whole, and forms a breaking gap 4225 at the connection between the first connecting block 424 and the side wall 4224 , The soft rubber ring 45 is arranged along the edge of the side wall 4224 and the first connection block 424 and across the break gap 4225, so as to connect the first connection block 424 and the side wall 4224 into a One.

Please refer to FIG. 3 and FIG. 4 , further, the second connecting block 426 is provided with a first fixing hole 4262 , and the front shell assembly 20 is provided with a second fixing hole 24 communicating with the first fixing hole 4262 , and fix in the second fixing hole 24 through the first fixing hole 4262 with a screw 70 .

Please refer to FIG. 2 , further, the front shell assembly 20 is formed by in-mold injection molding of stainless steel bracket, in-mold injection molding of die-cast aluminum or in-mold injection molding of die-cast magnesium. In other embodiments, the front shell assembly 20 may be made of plastic material.

Please refer to FIG. 1 and FIG. 2 , further, the touch display assembly 30 includes a touch screen 32 and a display screen 34 , and the touch screen 32 is located between the front case assembly 20 and the display screen 34 . Preferably, the touch screen 32 is fixedly connected to the display screen 34 in a fully bonded manner. It can be understood that the touch screen 32 is a sensor lens, and the touch screen 32 is bonded to the display screen 34 , so that the touch display assembly 30 is a fully bonded touch screen structure. The display screen 34 can be a liquid crystal display (Liquid Crystal Display, LCD) or an LED display (Light Emitting Diode Panel), etc., and the touch screen 32 can be a touch sensor glass (Touch Panel Sensor Glass, referred to as TP SensorGlass), And a sensor device is arranged in the touch sensor glass to sense the position of the touch point. By setting the soft rubber ring 45 between the touch screen 32 and the housing 10, the touch screen 32 is prevented from directly abutting against the rear cover support 42, thereby avoiding damage to the touch screen 32, and the housing 10 and the housing 10 can be reduced in size. The distance between the touch screens 32 is reduced to reduce product size.

Please refer to FIG. 1 and FIG. 2 , further, the touch display assembly 30 is glued to the front shell assembly 20 . Preferably, the fixed connection can be realized by adhering with double-sided adhesive tape.

Further, the housing 10 is made of plastic or thin-walled metal.

In this embodiment, the mobile terminal is a mobile phone or a tablet computer.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. a mobile terminal, is characterized in that, comprising:

Shell;

Front shell assemblies, forms accommodating cavity with described shell;

Touch-control display module, is arranged at the front end of described front shell assemblies;

Rear case component, is placed in described accommodating cavity and close described shell side;

Circuit board and battery, be placed in described accommodating cavity and between described rear case component and described front shell assemblies, described battery is connected with described circuit board;

Wherein, described rear case component comprises rear lid support and is connected to the flexible glue circle at described bonnet bracket edge place, described rear lid support is fixed in described front shell assemblies, and described flexible glue circle and described rear lid support are injection molded into one and are sticked between described touch-control display module and described shell.

2. mobile terminal as claimed in claim 1, it is characterized in that, the second contiguous block that described rear lid support comprises rack body, is arranged at the first contiguous block of described rack body opposite end and is connected between described first contiguous block and described rack body, described rack body, described first contiguous block and described second contiguous block connect in aggregates.

3. mobile terminal as claimed in claim 2, it is characterized in that, described rack body and described first contiguous block are formed through punch forming by metal material, and described second contiguous block is plastic material.

4. mobile terminal as claimed in claim 2, it is characterized in that, described rack body comprises and the base plate that described touch-control display module is oppositely arranged and the sidewall that extends along relative two lateral bucklings of described base plate, and described first contiguous block and described sidewall enclose and be incorporated in corner and form open gap; Described sidewall and described first contiguous block link into an integrated entity by described flexible glue circle.

5. mobile terminal as claimed in claim 2, it is characterized in that, described second contiguous block is provided with the first fixing hole, and described front shell assemblies is provided with the second fixing hole communicated with described first fixing hole, utilizes screw to pass described first fixing hole and is fixed in described second fixing hole.

6. mobile terminal as claimed in claim 1, is characterized in that, described front shell assemblies adopt stainless steel stent again in-mould injection, die casting aluminium again in-mould injection or die casting magnesium again in-mould injection form.

7. mobile terminal as claimed in claim 1, it is characterized in that, described touch-control display module comprises touch-screen and display screen, and described touch-screen is between described front shell assemblies and described display screen.

8. mobile terminal as claimed in claim 7, it is characterized in that, described touch-screen and described display screen adopt full laminating type to be fixedly connected with.

9. mobile terminal as claimed in claim 1, it is characterized in that, described touch-control display module and described front shell assemblies are gluedd joint.

10. mobile terminal as claimed in claim 1, it is characterized in that, described shell is made up of plastic cement or thin-wall metal material.