WO2018177005A1

WO2018177005A1 - Method for fabricating front case assembly, front case assembly and mobile terminal

Info

Publication number: WO2018177005A1
Application number: PCT/CN2018/073969
Authority: WO
Inventors: 陈佳
Original assignee: 广东欧珀移动通信有限公司
Priority date: 2017-03-29
Filing date: 2018-01-24
Publication date: 2018-10-04
Also published as: CN106953949B; CN106953949A

Abstract

Disclosed in the present invention is a method for fabricating a front case assembly (100) for a mobile terminal (200), comprising: providing an inner case assembly (10) comprising an inner case (12) and a screen assembly (14) mounted on the inner case (12), the screen assembly (14) comprising a display screen (142); providing an adhesive (20) and coating the adhesive (20) on a side (1422) of the display screen (142); and providing an outer case assembly (30) comprising an outer case (32), sleeving the outer case (32) on the outside of the inner case assembly (10) and bonding the inner side wall (325) of the outer case (32) to the adhesive (20) so as to securely connect the outer case (32) to the display screen (142). Also disclosed in the present invention are a front shell assembly (100) and the mobile terminal (200).

Description

Manufacturing method of front shell assembly, front shell assembly and mobile terminal

Priority information

The present application claims priority to and the benefit of the patent application No. PCT Application No.

Technical field

The present invention relates to the field of consumer electronics, and in particular, to a method of manufacturing a front case assembly, a front case assembly, and a mobile terminal.

Background technique

In order to solve the waterproof problem between the display screen and the outer casing of the mobile phone, the hot melt adhesive is currently filled between the display screen and the mobile phone casing along the gap between the cover plate and the outer casing. However, this method requires a large space between the cover and the outer casing to allow the glue to drip between the display screen and the outer casing, thereby increasing the non-display area of the mobile phone and reducing the screen ratio.

Summary of the invention

Embodiments of the present invention provide a method of manufacturing a front case assembly, a front case assembly, and a mobile terminal.

A method of manufacturing a front case assembly according to an embodiment of the present invention is for a mobile terminal, and the manufacturing method includes:

Providing an inner casing assembly, the inner casing assembly including an inner casing and a screen assembly mounted on the inner casing, the screen assembly including a display screen;

Providing a glue that coats the side of the display screen; and

Providing a housing assembly, the housing assembly including a housing, the housing being sleeved outside the inner housing assembly and bonding an inner sidewall of the housing to the adhesive to securely connect the housing to the display screen .

In certain embodiments, the step of providing an inner casing assembly comprises:

The inner casing and the screen assembly are provided, and the screen assembly is mounted on the inner casing by dispensing or double-sided tape to form the inner casing assembly.

In some embodiments, the step of providing the screen assembly comprises:

A cover plate and the display screen are provided, the cover plate being mounted together with the display screen by a full fit to form the screen assembly.

In some embodiments, the step of providing a housing assembly includes:

The housing and the function button are provided, the housing being formed with an opening, and the function button is mounted in the opening to form the housing assembly.

The front shell assembly of the embodiment of the present invention is used for a mobile terminal, and the front shell assembly includes:

An inner casing assembly including an inner casing and a screen assembly mounted on the inner casing, the screen assembly including a display screen;

a housing assembly including a housing sleeved over the inner housing assembly; and

An adhesive disposed between a side of the display screen and an inner side wall of the outer casing to securely connect the outer casing to the display screen.

In some embodiments, the inner casing is formed with a receiving groove, and the display screen is installed in the receiving groove.

In some embodiments, the receiving groove extends through two side edges of the inner casing, and the side surface of the display screen and the inner side wall of the outer casing corresponding to the two side edges are provided with the adhesive .

In certain embodiments, the inner casing assembly further includes a foam disposed between the inner casing and the screen assembly.

In some embodiments, the screen assembly further includes a cover plate that is a touch screen cover and that is mounted together with the display screen by a full fit.

In some embodiments, the housing assembly further includes a function button, the housing being formed with an opening, the function button being received within the opening.

In certain embodiments, the adhesive comprises a silicone gum.

In some embodiments, the screen assembly includes a cover plate including a bottom surface and a side surface surrounding the bottom surface, the angle between the side surface and the bottom surface being an acute angle; the outer casing and the outer casing The opposite side surfaces are attached to the side surfaces.

The mobile terminal of the embodiment of the present invention includes:

Back cover; and

In the front case assembly of any of the above embodiments, the front case assembly is mounted on the back cover.

The mobile terminal, the manufacturing method of the front casing assembly and the front casing assembly of the embodiment of the present invention first apply the adhesive on the side of the display screen, and then sleeve the outer casing assembly outside the inner casing assembly and make the inner side wall of the outer casing and the display screen Embodiments of the present invention do not require that the sides are bonded together to securely connect the outer casing to the display screen, and the adhesive is disposed between the display screen and the outer casing before the outer casing assembly is sleeved outside the inner casing assembly. A large dispensing space is reserved between the outer casing and the cover plate, thereby reducing the non-display area of the mobile terminal and increasing the screen ratio of the mobile terminal. At the same time, it is possible to prevent water droplets from entering the inside of the display screen along the gap between the side surface of the display screen and the inner side wall.

The additional aspects and advantages of the embodiments of the present invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic flow chart of a method of manufacturing a front case assembly according to some embodiments of the present invention;

2 is a schematic structural view of a method of manufacturing a front case assembly according to some embodiments of the present invention;

3 is an exploded perspective view of a front case assembly according to some embodiments of the present invention;

4 is a cross-sectional view of a front case assembly in accordance with some embodiments of the present invention;

5 is a perspective structural view of a front case assembly according to some embodiments of the present invention;

6 is a schematic plan view of a mobile terminal according to some embodiments of the present invention;

7 is a schematic flow chart of a method of manufacturing a front case assembly according to some embodiments of the present invention;

8 is a schematic structural view of a method of manufacturing an inner casing assembly according to some embodiments of the present invention;

9 is a schematic structural view of a method of manufacturing a housing assembly according to some embodiments of the present invention.

The main component symbol description:

The mobile terminal 200, the front case assembly 100, the inner casing assembly 10, the inner casing 12, the receiving groove 122, the side 124, the screen assembly 14, the display screen 142, the display side 1422, the cover 144, the bottom surface 1442, and the cover side 1444 Foam 16, adhesive 20, outer casing assembly 30, outer casing 32, side wall 320, parallel portion 321, opening 322, projection 323, inner side wall 325, surface 327, function button 34, and second glue 40.

detailed description

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings. The same or similar reference numerals in the drawings denote the same or similar elements or elements having the same or similar functions.

In addition, the embodiments of the present invention described below in conjunction with the accompanying drawings are merely illustrative of the embodiments of the invention, and are not to be construed as limiting.

In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

In the description of the present specification, the description with reference to the terms "some embodiments", "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. Particular features, structures, materials or features described in the examples or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Referring to FIG. 1-3, a method for manufacturing a front case assembly 100 according to an embodiment of the present invention is used in a mobile terminal 200. The manufacturing method includes:

S1, providing an inner casing assembly 10, the inner casing assembly 10 includes an inner casing 12 and a screen assembly 14 mounted on the inner casing 12, the screen assembly 14 includes a display screen 142;

S2, providing a glue 20 (see FIG. 4), coating the adhesive 20 on the side 1422 of the display screen 142; and

S3, a housing assembly 30 is provided. The housing assembly 30 includes a housing 32 that fits over the inner housing assembly 10 and bonds the inner sidewall 325 of the housing 32 to the adhesive 20 to securely attach the housing 32 to the display screen 142.

Referring to FIGS. 3-5, a front case assembly 100 of an embodiment of the present invention is used in a mobile terminal 200. The front case assembly 100 includes an inner case assembly 10, a case assembly 30, and an adhesive 20. The inner casing assembly 10 includes an inner casing 12 and a screen assembly 14 mounted to the inner casing 12, and the screen assembly 14 includes a display screen 142. The outer casing assembly 30 includes a outer casing 32 that overlies the inner casing assembly 10. The glue 20 is disposed between the side 1422 of the display screen 142 and the inner side wall 325 of the outer casing 32 to securely connect the outer casing 32 to the display screen 142.

The manufacturing method of the front case assembly 100 and the front case assembly 100 of the embodiment of the present invention apply the adhesive 20 by first coating the side surface 1422 of the display screen 142, and then the outer cover assembly 30 is sleeved outside the inner case assembly 10 and the outer case 32 is The inner side wall 325 is bonded to the side surface 1422 of the display screen 142 to securely connect the outer casing 32 to the display screen 142. The outer casing assembly 32 is sleeved outside the inner casing assembly 10 and the adhesive 20 is disposed on the display screen 142. The manufacturing method between the housing 32 and the housing 32 does not require a large dispensing space between the housing 32 and the cover 144, thereby reducing the non-display area of the mobile terminal 200 and increasing the mobile terminal 200. Screen ratio. At the same time, it is possible to prevent water droplets from entering the inside of the display screen 142 along the gap between the side surface 1422 and the inner side wall 325.

Referring to FIG. 5 and FIG. 6, the mobile terminal 200 of the embodiment of the present invention includes a back cover (not shown) and a front case assembly 100. The mobile terminal 200 includes, but is not limited to, a mobile phone, a tablet, a smart watch, and the like. In the present embodiment, the mobile terminal 200 will be described as an example of a mobile phone.

Referring to FIGS. 3 and 4, a front housing assembly 100 of an embodiment of the present invention includes an inner housing assembly 10, a housing assembly 30, and an adhesive 20.

The inner casing assembly 10 includes an inner casing 12, a screen assembly 14, and a foam 16.

The inner casing 12 includes a receiving groove 122 and two side edges 124. The two side edges 124 are respectively located on two sides of the inner casing 12 in the longitudinal direction, and the receiving groove 122 is located at an intermediate position of the side of the screen assembly 14 and the inner casing 12 in the longitudinal direction. The two side edges 124, that is, the inner casing 12 have an intermediate recessed shape, and the receiving groove 122 is located at the recess. The material of the inner casing 12 includes, but is not limited to, plastic, and the inner casing 12 may also be made of a metal or ceramic material.

The screen assembly 14 is mounted to the inner casing 12, and the screen assembly 14 can be mounted to the inner casing 12 by dispensing or double-sided tape. The screen assembly 14 includes a display screen 142 and a cover plate 144.

Display screen 142 includes two display side surfaces 1422 opposite the two side edges 124 of inner casing 12. The display screen 142 includes, but is not limited to, a liquid crystal display (LCD), and the display screen 142 may also be an Organic Light-Emitting Diode (OLED) display.

The cover plate 144 includes a bottom surface 1442 near one side of the inner casing 12 and a cover side surface 1444 surrounding the bottom surface 1442. The angle between the side surface 1444 of the cover plate and the bottom surface 1442 is an acute angle. The display screen 142 and the cover plate 144 are mounted together by a full fit. Specifically, the display screen 142 is fixed to the bottom surface 1442. The length of the display screen 142 is smaller than the length of the cover plate 144, and the display screen 142 is disposed at an intermediate position of the bottom surface 1442, that is, the screen assembly 14 has an intermediate convex shape, and the display screen 142 is located at the convex portion. The screen assembly 14 can be mounted on the inner casing 12 by dispensing or double-sided tape. At this time, the display screen 142 is received in the receiving groove 122 (that is, the convex portion of the screen assembly 14 and the recess of the inner casing 12). The mating surfaces of the display panel 142 and the receiving groove 122 are adhered to each other and bonded together, and the bottom surface 1442 of the cover plate 144 is bonded to the corresponding surface of the inner casing 12. The cover 144 is a touch screen cover, that is, the touch line of the touch screen cover is integrated in the cover 144, and the touch function can be realized by clicking the cover 144. In some embodiments, the cover 144 includes a two-layer structure, which is a touch panel and a protective cover disposed on the touch panel. The touch panel is used to implement a touch operation of the touch screen, and the protective cover is used for protecting the touch. The control panel prevents damage to the touch panel by directly touching the touch panel, and the protective cover can be made of glass, sapphire, polyvinyl chloride (PVC) or the like.

The foam 16 is disposed between the inner casing 12 and the screen assembly 14. Specifically, the foam 16 is received in the receiving groove 122, and the foam 16 is located between the inner casing 12 and the display screen 142.

The outer casing assembly 30 is sleeved outside the inner casing assembly 10. The housing assembly 30 includes a housing 32 and function buttons 34. The outer casing 32 includes a side wall 320. The side wall 320 defines an opening 324. The outer casing 32 has an annular shape and the outer casing 32 is sleeved outside the inner casing assembly 10. The side wall 320 has an annular shape, and the side wall 320 includes a front side of the display screen 1422. Parallel parallel portions 321 and projections 323 connected to the parallel portions 321 and extending toward the center of the side walls 320. The parallel portions 321 include inner side walls 325 adjacent to the inner casing 12 and the display screen 142 side, and the projections 323 include The cover side 1444 mates to the surface 327, that is, the cover side 1444 and the surface 327 are both beveled and the cover side 1444 is directly mated with the surface 327. The function button 34 is installed in the opening 322. Specifically, the number of the function buttons 34 is multiple, which can be used to turn the mobile terminal 200 on and off, turn on and off the display screen 142, and adjust the volume of the mobile terminal 200.

The adhesive 20 is disposed between the display side 1422 of the display screen 142 and the inner side wall 325 of the outer casing 32 to securely connect the outer casing 32 to the display screen 142. Specifically, the adhesive 20 is disposed only on the display screen 142 and the inner casing 12 The two sides 124 are respectively opposite the two display sides 1422. The glue 20 includes a silicone glue.

The mobile terminal 200 of the embodiment of the present invention is formed by mounting the front case assembly 100 on the back cover. The widths of the intrinsic black side L1, the exposed black side L2, and the visible area L3 of the mobile terminal 200 are 0.7 mm, 0.19 mm, and 0.5 mm, respectively.

Referring to FIG. 3 and FIG. 4, the front case assembly 100 of the embodiment of the present invention applies the adhesive 20 to the side of the display case 142, and then the outer cover assembly 30 is disposed outside the inner cover assembly 10 and the outer cover 32 is The inner side wall 325 is bonded to the side surface 1422 of the display screen 142 to securely connect the outer casing 32 to the display screen 142. The outer casing assembly 32 is sleeved outside the inner casing assembly 10 and the adhesive 20 is disposed on the display screen 142. The manufacturing method between the housing 32 and the housing 32 does not require a large dispensing space between the housing 32 and the cover 144, thereby reducing the non-display area of the mobile terminal 200 and increasing the mobile terminal 200. Screen ratio. At the same time, it is possible to prevent water droplets from entering the inside of the display screen 142 along the gap between the side surface 1422 and the inner side wall 325.

In addition, the beneficial effects of the front casing assembly 100 of the embodiment of the present invention further include: First, the receiving groove 122 formed by the inner casing 12 facilitates positioning and mounting the screen assembly 14 to the inner casing 12 to form the inner casing assembly 10.

Secondly, the surface of the display screen 142 that is in contact with the receiving groove 122 can be sealed to prevent water droplets from entering the inside of the display screen 142 along the gap between the display screen 142 and the inner casing 12, thereby improving waterproof performance.

Furthermore, by providing the foam 16 between the inner casing 12 and the screen assembly 14, when the mobile terminal 200 is vibrated due to the fall, the foam 16 acts to buffer and protect the screen assembly 14, thereby preventing the screen assembly 14 from being avoided. A rupture occurred.

Then, the cover side surface 1444 is directly engaged with the surface 327 of the outer casing 32, so that the gap between the cover 144 and the outer casing 32 can be reduced to reduce the width of the exposed black side L2, and the screen ratio of the mobile terminal 200 can be further improved.

Finally, the glue 20 can be made of silicone glue, since the silicone glue is similar to an ointment and the cured silicone glue has vibration resistance. Thus, when the silicone adhesive is cured, when the mobile terminal 200 vibrates, the silicone glue can buffer and protect the display screen 142.

Referring to FIG. 3 and FIG. 4, in some embodiments, the display screen 142 of the above embodiment is not limited to the length of the display screen 142 being smaller than the length of the cover 144. That is, the above embodiment is only an embodiment. In the front case assembly 100 of the embodiment of the invention, the length of the display screen 142 may be greater than or equal to the length of the cover plate 144. At this time, the inner casing 12 has no receiving groove 122, and the display side surface 1422 and the inner side wall 325 of the display screen 142 are ring-shaped. The entire display side surface 1422 is adjacent to the inner side wall 325, and the adhesive 20 is disposed on the entire display side surface 1422 such that the entire display side surface 1422 is fixedly coupled to the entire inner side wall 325 by the adhesive 20.

Referring to FIG. 4 , in some embodiments, the front case assembly 100 of the above embodiment may not include the foam 16 , that is, the foam 16 or both may not be disposed between the inner casing 12 and the screen assembly 14 . Other components may be provided between but not limited to the foam 16.

Referring to FIG. 3, in some embodiments, the function button 34 in the housing assembly 30 of the above embodiment may be integrally formed with the housing 32. Of course, the housing assembly 30 may not be provided with the function button 34.

Referring to FIG. 3 and FIG. 4 , in some embodiments, the angle between the bottom surface 1442 of the cover plate 144 and the cover side 1444 of the above embodiment is not limited to an acute angle, and the bottom surface 1442 and the cover side 1444 The angle between the two may also be a right angle or an obtuse angle, but the angle between the bottom surface 1442 and the side surface 1444 of the cover plate is an acute angle, which is a preferred embodiment of the invention.

Referring to FIGS. 3 and 4, in some embodiments, a glue bond may be provided between the cover side 1444 of the above embodiment and the surface 327 that abuts the cover side 1444 so that the glue can protect the cover 144.

Referring to FIG. 4, in some embodiments, the adhesive 20 of the above embodiment is not limited to silicone glue, and the adhesive 20 may also be selected from other glues such as polyurethane adhesive, PS glue, PC glue or glue. Attached to the display side 1422 of the display screen 142 and after the glue is cured, the outer casing 32 can be bonded and waterproofed.

Referring to FIG. 4, in some embodiments, a second adhesive 40 may be disposed between the inner casing 12 and the outer casing 32 of the above embodiment to fix the outer casing 32 outside the inner casing 12.

Referring to FIG. 4, in some embodiments, the widths of the intrinsic black side L1, the exposed black side L2, and the visible area L3 of the above embodiment are not limited to 0.7 mm, 0.19 mm, and 0.5 mm, that is, the above implementation. The front cover assembly 100 of the embodiment of the present invention is described as an embodiment. The exposed black edge L2 of the present invention has a smaller width than the outer cover assembly 32 is disposed outside the inner casing assembly 10 and the adhesive 20 is disposed on the display screen 142. The width of the exposed black rim is produced between the outer casing 32 and the outer casing 32.

Referring to Figures 3, 7, and 8, in some embodiments, the step of providing the inner casing assembly 10 (i.e., step S1) includes:

S11, an inner casing 12 and a screen assembly 14 are provided. The screen assembly 14 is mounted on the inner casing 12 by dispensing or double-sided tape to form the inner casing assembly 10.

Thus, the inner casing 12 and the screen assembly 14 can be fixed together, and the screen assembly 14 and the inner casing 12 are mounted together with the surface of the display screen 142 that is in contact with the inner casing 12, and the surface of the display screen 142 that fits the inner casing 12 It can be sealed to prevent water droplets from entering the interior of the display screen 142 along the gap between the display screen 142 and the inner casing 12.

Referring to FIG. 7, in some embodiments, the step of providing the screen assembly 14 (ie, step S11) includes:

S111, a cover 144 and a display screen 142 are provided. The cover 144 and the display screen 142 are mounted together by a full fit to form the screen assembly 14.

In this way, the cover plate 144 and the display screen 142 can be fixed together, and the cover plate 144 and the display screen 142 are adhered by a full fit to prevent water droplets from entering the display screen 142 along the gap between the cover plate 144 and the display screen 142. Inside.

Referring to Figures 7 and 9, in some embodiments, the step of providing the housing assembly 30 (i.e., step S3) includes:

S31, a housing 32 and a function button 34 are provided. The housing 32 is formed with an opening 322, and the function button 34 is mounted in the opening 322 to form the housing assembly 30.

Compared with the manufacturing method of the present embodiment, the method of manufacturing the function button 34 after mounting the outer casing 32 to the inner casing assembly 10 requires a large installation clearance between the outer casing 32 and the inner casing assembly 10, and thus, the present embodiment The gap between the outer casing 32 and the inner casing assembly 10 of the manufacturing method of the method can be set smaller.

In the description of the present specification, reference is made to the terms "some embodiments", "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific examples", or "some examples" The description means that specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, "a plurality" means at least two, for example two, three, unless specifically defined otherwise.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The scope of the invention is defined by the claims and their equivalents.

Claims

A method of manufacturing a front case assembly for a mobile terminal, characterized in that the manufacturing method comprises:

Providing an inner casing assembly, the inner casing assembly including an inner casing and a screen assembly mounted on the inner casing, the screen assembly including a display screen;

Providing a glue that coats the side of the display screen; and

Providing a housing assembly, the housing assembly including a housing, the housing being sleeved outside the inner housing assembly and bonding an inner sidewall of the housing to the adhesive to securely connect the housing to the display screen .
The manufacturing method according to claim 1, wherein the step of providing the inner casing assembly comprises:

The inner casing and the screen assembly are provided, and the screen assembly is mounted on the inner casing by dispensing or double-sided tape to form the inner casing assembly.
The manufacturing method according to claim 2, wherein the step of providing the screen assembly comprises:

A cover plate and the display screen are provided, the cover plate being mounted together with the display screen by a full fit to form the screen assembly.
The manufacturing method according to claim 1, wherein the step of providing the outer casing assembly comprises:

The housing and the function button are provided, the housing being formed with an opening, and the function button is mounted in the opening to form the housing assembly.
A front case assembly for a mobile terminal, wherein the front case assembly comprises:

An inner casing assembly including an inner casing and a screen assembly mounted on the inner casing, the screen assembly including a display screen;

a housing assembly including a housing sleeved over the inner housing assembly; and

An adhesive disposed between a side of the display screen and an inner side wall of the outer casing to securely connect the outer casing to the display screen.
The front case assembly according to claim 5, wherein the inner case is formed with a receiving groove, and the display screen is installed in the receiving groove.
The front case assembly according to claim 6, wherein the receiving groove extends through two side edges of the inner casing, and a side surface of the display screen corresponds to two side edges of the outer casing The inner side wall is provided with the adhesive.
The front case assembly of claim 5, wherein the inner casing assembly further comprises a foam, the foam being disposed between the inner casing and the screen assembly.
The front case assembly according to claim 5, wherein the screen assembly further comprises a cover plate which is a touch screen cover and is mounted together with the display screen by a full fit.
The front case assembly according to claim 5, wherein the case assembly further comprises a function button, the case being formed with an opening, and the function button is received in the opening.
The front case assembly of claim 5 wherein said adhesive comprises silicone glue.
The front case assembly according to claim 5, wherein the screen assembly comprises a cover plate, the cover plate includes a bottom surface and a side surface surrounding the bottom surface, and an angle between the side surface and the bottom surface is An acute angle; a surface of the outer casing opposite the side surface is fitted to the side surface.
A mobile terminal, comprising:

Back cover; and

a front case assembly, the front case assembly being mounted on the back cover, the front case assembly comprising:

An inner casing assembly including an inner casing and a screen assembly mounted on the inner casing, the screen assembly including a display screen;

a housing assembly including a housing sleeved over the inner housing assembly; and

An adhesive disposed between a side of the display screen and an inner side wall of the outer casing to securely connect the outer casing to the display screen.
The mobile terminal according to claim 13, wherein the inner casing is formed with a receiving groove, and the display screen is installed in the receiving groove.
The mobile terminal according to claim 14, wherein the receiving groove extends through two side edges of the inner casing, and a side surface of the display screen and an inner side of the outer casing corresponding to the two side edges The wall is provided with the adhesive.
The mobile terminal of claim 13, wherein the inner casing assembly further comprises a foam, the foam being disposed between the inner casing and the screen assembly.
The mobile terminal of claim 13, wherein the screen assembly further comprises a cover plate, the cover plate being a touch screen cover plate and being mounted together with the display screen by a full fit.
The mobile terminal according to claim 13, wherein the outer casing assembly further comprises a function button, the outer casing is formed with an opening, and the function button is received in the opening.
The mobile terminal of claim 13, wherein the adhesive comprises silicone glue.
The mobile terminal according to claim 13, wherein the screen assembly comprises a cover plate, the cover plate comprises a bottom surface and a side surface surrounding the bottom surface, and an angle between the side surface and the bottom surface is an acute angle The surface of the outer casing opposite the side surface is fitted to the side surface.