CN108415510B

CN108415510B - Terminal device

Info

Publication number: CN108415510B
Application number: CN201810148153.9A
Authority: CN
Inventors: 伏安
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2014-12-09
Filing date: 2014-12-09
Publication date: 2020-12-08
Anticipated expiration: 2034-12-09
Also published as: CN108415510A; CN104536517B; CN104536517A

Abstract

The invention discloses a terminal which comprises a front cover, a rear cover, a display screen and a control assembly, wherein the front cover comprises a frame and a glass plate, the frame comprises a first inner joint surface, the glass plate comprises a second inner joint surface, the first inner joint surface is arranged on the inner side of the frame, the second inner joint surface is arranged on the peripheral side of the glass plate, the frame is fixedly connected with the glass plate, and the first inner joint surface of the frame is attached to the second inner joint surface of the glass plate. The frame and the glass plate are seamless, the ergonomic effect is met, the appearance effect of the terminal is enhanced, and the use efficiency of the terminal is improved.

Description

Terminal device

Technical Field

The embodiment of the invention relates to the field of communication equipment, in particular to a terminal.

Background

With the wide application of terminal devices such as large-screen mobile phones, tablet computers or televisions, the external viewing performance of the terminal is more and more important, and generally, such terminal devices with a display are all formed by covering an external shell with a cover plate assembly, and a transparent plate is arranged on the external shell to serve as an image display component. The transparent plate member is combined with the housing by fixing a frame around the transparent plate member to form a cover assembly, and the cover assembly is combined with other cover plates or housing members to form the housing of the terminal. This kind of structure needs the combination of a plurality of spare parts, has the gap between a plurality of spare parts, and especially transparent part and casing department of combining together on the casing, the gap that exists leads to appearing defects such as light leak, surperficial unevenness, structure unstability, seriously influences sight, comfort level and the life of terminal when using. When the terminal is used as a handheld device, in order to meet the requirement that the size of a display screen occupies a large enough size of the whole terminal, a frame is often designed to be small, so that a joint of a transparent plate and a shell is usually positioned at the edge of the terminal, and a break and a gap exist at the joint of the transparent plate and the frame at present, so that besides the influence on the ornamental value and the comfort, on one hand, palm discomfort and non-ergonomics can be caused when the terminal is held, on the other hand, dust or sundries can enter between the frame and the transparent plate, the performance of the terminal is influenced, and the display of the terminal is poor.

Disclosure of Invention

In view of this, embodiments of the present invention provide a terminal to solve the problems of palm discomfort and poor terminal performance when the terminal is held by a hand.

In a first aspect, a terminal is provided, which includes a front cover, the front cover includes a frame, a middle frame and a glass plate, the frame includes a first inner joint surface, the glass plate includes a second inner joint surface, the first inner joint surface is disposed on the inner side of the frame, the second inner joint surface is disposed on the periphery of the glass plate, the frame is fixedly connected to the glass plate, the first inner joint surface of the frame is attached to the second inner joint surface of the glass plate, the terminal further includes a rear cover, the rear cover is covered on the frame, an accommodating cavity is formed between the rear cover and the front cover, and the accommodating cavity is at least used for accommodating a display screen; the middle frame is fixedly connected with the frame, the middle frame is located the frame is kept away from one side of the glass plate, the frame faces towards the middle frame and protrudes to form a convex block, the middle frame faces towards the frame and is sunken to form a groove, and the convex block is clamped with the groove. With reference to the first aspect, in a first possible implementation manner of the first aspect, the frame is integrally formed on the glass plate.

With reference to the first aspect or any one of the first possible implementation manners of the first aspect, in a second possible implementation manner of the first aspect, the frame further includes a first appearance surface connected to the first inner joint surface, the glass sheet further includes a second appearance surface connected to the second inner joint surface, and the first appearance surface and the second appearance surface smoothly meet to form a seamless smooth surface; the front cover further comprises a light-transmitting film or an explosion-proof film, wherein the light-transmitting film or the explosion-proof film is attached to the smooth surface and covers a seam between the first appearance surface and the second appearance surface.

In combination with the first aspect or any one of the first to the second possible implementation manners of the first aspect, in a third possible implementation manner of the first aspect, the frame includes a frame body and a flange disposed on an inner wall of the frame body, a step surface connected to the first inner connecting surface is disposed on the flange, an inner angle is formed between the step surface and the first inner connecting surface, the frame further includes a first appearance surface connected to the first inner connecting surface, the glass plate further includes a connecting surface connected to the second inner connecting surface, the connecting surface is disposed opposite to the first appearance surface, the connecting surface and the second inner connecting surface form a chamfer, and the chamfer is matched with the inner angle.

With reference to the first aspect or any one of the first to the third possible implementation manners of the first aspect, in a fourth possible implementation manner of the first aspect, the frame further includes a first exterior surface connected to the first interior joint surface, the glass sheet further includes a second exterior surface connected to the second interior joint surface, and the first exterior surface and the second exterior surface smoothly meet to form a seamless smooth surface; the first inner connecting surface is provided with a first bulge, the second inner connecting surface is provided with a second recess, and the first bulge is matched with the second recess; and/or the first inner connecting surface is provided with a first recess, the second inner connecting surface is provided with a second projection, and the first recess is matched with the second projection.

With reference to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the first inner contact surface is provided with the first protrusion, the first protrusion is connected to the first appearance surface, the first protrusion extends along the inner wall of the frame in the circumferential direction, the second inner contact surface is provided with the second recess, the second recess is connected to the second appearance surface, the second recess extends along the circumferential direction of the glass plate, and the first protrusion is matched with the first recess.

With reference to the fourth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the first inner connection surface is provided with the first protrusion and the first recess, the first protrusion is wedge-shaped, the first recess is a semicircular groove, the first protrusion is adjacent to the first recess, the second inner connection surface is provided with the second recess and the second protrusion, the second recess is matched with the first protrusion, and the second protrusion is matched with the first recess.

With reference to the first aspect or any one of the first to sixth possible implementation manners of the first aspect, in a seventh possible implementation manner of the first aspect, the terminal further includes a middle frame, and the border and the middle frame are connected by integral molding;

with reference to the eighth possible implementation manner of the first aspect, the frame further includes a first appearance surface connected to the first inner joint surface, the glass sheet further includes a second appearance surface connected to the second inner joint surface, and the first appearance surface and the second appearance surface smoothly meet to form a seamless smooth surface; the frame comprises a third appearance surface, the middle frame comprises a fourth appearance surface, and the third appearance surface is smoothly connected with the fourth appearance surface.

With reference to the seventh possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the first appearance surface is an arc surface or a plane, the second appearance surface is an arc surface or a plane, the third appearance surface is an arc surface or a plane, and the fourth appearance surface is an arc surface or a plane.

With reference to the first aspect or any one of the first to ninth possible implementation manners of the first aspect, in a tenth possible implementation manner of the first aspect, an adhesive layer is disposed between the frame and the glass plate.

With reference to the first aspect or any one of the first to tenth possible implementations of the first aspect, in an eleventh possible implementation of the first aspect, the glass sheet further includes a second appearance surface connected to the second interior junction surface; the terminal further comprises a display screen, the display screen is fixed in the containing cavity, the display surface of the display screen is opposite to the glass plate, and the display screen is attached to one surface, deviating from the second appearance surface, of the glass plate.

With reference to the first aspect or any one of the first to eleventh possible implementation manners of the first aspect, in a twelfth possible implementation manner of the first aspect, the rear cover includes a light-transmitting glass plate and a cover plate, the bottom shell is provided with a through hole, the light-transmitting glass plate is integrally formed in the through hole, a side wall of the light-transmitting glass plate is attached to an inner wall of the through hole, and a lighting surface of the light-transmitting glass plate is smoothly connected to an outer surface of the cover plate; the bottom of center sets up first cardboard, and the periphery of back lid sets up the second cardboard, the second cardboard with first cardboard looks block.

With reference to the first aspect or any one of the first to the twelfth possible implementation manners of the first aspect, in a thirteenth possible implementation manner of the first aspect, the rear cover includes a second clamping plate and a bottom plate, a structure of the second clamping plate is the same as a structure of the frame, and a structure of the bottom plate is the same as a structure of the glass plate; the terminal also comprises a display screen, the display screen is fixed in the containing cavity, the display surface of the display screen is opposite to the glass plate, and the display screen can be a double-sided display screen.

According to the terminal provided by the embodiment of the invention, the first inner contact surface of the frame is attached to the second inner contact surface of the glass plate, so that no gap is formed between the frame and the glass plate, the terminal accords with human engineering, the appearance effect of the terminal is enhanced, the use efficiency of the terminal is further improved, dust is prevented from falling into the terminal, and the performance of the terminal can be improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an exploded schematic view of a terminal in an embodiment provided by the present invention;

FIG. 2 is a schematic cross-sectional view of a front cover of a preferred embodiment of the terminal of FIG. 1 taken along line II-II;

FIG. 3 is a schematic view of another embodiment of a front cover in the embodiment of FIG. 2;

FIG. 4 is an exploded schematic view of the front cover of FIG. 2;

FIG. 5 is an exploded schematic view of another embodiment of a front cover in the embodiment of FIG. 4;

FIG. 6 is a schematic view of a front cover of a first modification of the embodiment of FIG. 4;

FIG. 7 is a schematic view of a front cover of a second modification in the embodiment of FIG. 4;

FIG. 8 is a schematic view of a center frame and a bezel in an embodiment provided by the present invention;

FIG. 9 is an enlarged partial schematic view of a portion a of a preferred embodiment front cover in the embodiment of FIG. 2;

FIG. 10 is a schematic cross-sectional view III-III of the rear cover of a preferred embodiment of the terminal of FIG. 1;

FIG. 11 is a schematic view of another embodiment of a back cover in the embodiment of FIG. 10.

Marking main parts: the terminal 100, the front cover 110, the frame 10, the glass plate 20, the first exterior surface 11, the first interior surface 12, the second exterior surface 21, the second interior surface 22, the rear cover 30, the display 40, the control component 50, the light-transmitting film 60, the frame 101, the flange 102, the step surface 13, the inner corner 13a, the connection surface 23, the chamfer 23a, the

first protrusions

121, 121a, 122a, 123a, the

second recesses

221, 221a, 222a, 223a, the

first recesses

121b, 122b, 123b, the

second protrusions

221b, 222b, 223b, the third exterior surface 15, the fourth exterior surface 64, the adhesive layer 220, the physical keys 511, the light-transmitting glass plate 31, the cover plate 32, the through holes 32a, the second card plate 30a, the bottom plate 30b, and the auxiliary display surface 42.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the present invention.

Referring to fig. 1 and 2 together, according to an embodiment of the present invention, a terminal 100 includes a front cover 110, and the front cover 110 includes a frame 10 and a glass plate 20. The frame 10 includes a first outer surface 11 and a first inner joint surface 12 connected to the first outer surface 11. The glass plate 20 includes a second external surface 21 and a second internal surface 22 connected to the second external surface 21. The first inner contact surface 12 is disposed inside the frame 10, and the second inner contact surface 22 is disposed on the periphery of the glass sheet 20. In the assembled state, the frame 10 is fixedly connected to the glass plate 20, the first inner joint surface 12 of the frame 10 is attached to the second inner joint surface 22 of the glass plate 20, and the first appearance surface 11 and the second appearance surface 21 are smoothly connected to form a smooth surface. It is understood that the first appearance surface 11 of the bezel 10 and the second appearance surface 21 of the glass plate 20 are surfaces facing the user when the user uses the terminal 100 provided with the present invention. For example, when the terminal 100 is a touch mobile phone, the first appearance surface 11 of the frame 10 and the second appearance surface 21 of the glass plate 20 can be viewing and touch operation surfaces of a user.

The terminal 100 further includes a rear cover 30, a display 40, and a control assembly 50. The rear cover 30 covers the frame 10, a receiving cavity (not shown) is formed between the rear cover 30 and the front cover 110, and the display screen 40 is fixed in the receiving cavity. The display surface of the display screen 40 is disposed opposite the glass plate 20. The control assembly 50 is electrically connected to the display screen 40 to control the operation of the display screen 40.

The first inner joint surface 12 of the frame 10 is attached to the second inner joint surface 22 of the glass plate 20, and the first appearance surface 11 and the second appearance surface 21 are smoothly connected to form a smooth surface, so that no gap is formed between the frame 10 and the glass plate 20, the surface of the front cover 110 is smooth, the appearance surface of the terminal 100 facing a user is smooth, seamless and free of break, the ergonomics is met, the appearance effect of the terminal 100 is enhanced, and the use efficiency of the terminal 100 is improved.

In this embodiment, the terminal 100 is a mobile phone. The frame 10 is a plastic frame, and the frame 10 is rectangular and annular. The frame 10 includes a frame body 101, the cross section of the frame body 101 is rectangular, and the frame body 101 includes a top portion 10a and a bottom surface 10b disposed opposite to each other, and an outer wall 10c and an inner wall 10d disposed opposite to each other. The first external surface 11 is disposed on the top portion 10a, and the first internal surface 12 is disposed on the inner wall 10 d. When the front cover 110 is applied to a mobile phone, the bottom surface 10b may be fixed to a middle frame of the mobile phone, a rear cover of the mobile phone, or another frame of a front cover of the mobile phone. The outer wall 10c may be a surface for providing an external appearance, or may be attached to the inner side of the middle frame or the inner side of the rear cover of the mobile phone. In other embodiments, the frame may also be made of metal, and the cross section of the frame may also be in a special shape or a polygon.

The glass plate 20 is a rectangular plate. The glass plate 20 includes a second appearance face 21 and a joint face 23 which are oppositely disposed, and a side wall 20c between the second appearance face 21 and the joint face 23. The second exterior surface 21 faces the user, the connecting surface 23 faces away from the user, and the second interior surface 22 is disposed on the sidewall 20 c. The frame 10 surrounds the glass plate 20, the side wall 20c and the inner wall 10d abut against each other, and the second inner joint surface 22 is attached to the first inner joint surface 12, so that no gap exists between the glass plate 20 and the frame 10. Meanwhile, there is no step difference between the first appearance surface 11 and the second appearance surface 21, and a smooth surface is formed, so that the surface smoothness of the front cover 110 is improved, and the use efficiency of the terminal 100 is improved. In addition, the glass plate 20 is a transparent hard plate, and the glass plate 20 and the frame 10 are well combined, and simultaneously, the internal parts of the terminal 100 are well protected, and a good light transmission effect is realized.

In this embodiment, the first appearance surface 11 is a plane, and the second appearance surface 21 is a plane, so that the first appearance surface 11 and the second appearance surface 21 form a smooth plane, and the surface of the joint between the frame 10 and the glass plate 20 is smooth, thereby enhancing the appearance effect of the seamless terminal front cover 110, conforming to human engineering, and improving the use efficiency of the seamless terminal front cover 110. In other embodiments, the first appearance surface 11 may be a circular arc surface, the second appearance surface 21 may be a circular arc surface, or the first appearance surface 11 and the second appearance surface 21 may smoothly contact with each other in a plane or/and a combination of circular arc surfaces.

In this embodiment, the display 40 includes a light emitting surface 41, and when the display 40 receives the signal, the light emitting surface 41 emits various image lights, and the various image lights show patterns through the glass plate 20. The display 40 may be fixed to the front cover 110 or the rear cover 30. Specifically, the display 40 is bonded to the glass plate 20, and the display 40 and the front cover 110 form a cover assembly, which facilitates maintenance of the terminal 100 and replacement of the cover assembly. The dismantlement separation of glass board 20 and display screen 40 has been avoided to glass board 20 and display screen 40 all receive the damage of dust, perhaps debris, and then lead to terminal 100's display effect not good, thereby utilize the combination of protecgulum 10 and display screen 40, make terminal 100 reduce the dismantlement between the spare part, saved the casing part that is used for fixed display screen 40, and then reduce the gap between the casing part of terminal 100, be favorable to terminal 100's outward appearance effect. In other embodiments, the display screen 40 and the glass plate 20 may also be integrally disposed, that is, the glass plate 20 is integrated on the display screen 40, and the second appearance surface 21 serves as a light exit surface of the display screen 40.

In this embodiment, the control assembly 50 is received in the receiving cavity. The control assembly 50 includes an instruction input device (not shown) and a central processing unit (not shown) fixed in the accommodating cavity, electrically connected to the display screen 40, and outputting signals to the display screen 40. The command input unit is electrically connected with the central processing unit and inputs signals to the central processing unit. The control assembly 50 further comprises a circuit board 51, the central processor being integrated on the circuit board 51. Specifically, the circuit board 51 is a PCB (Printed circuit board) board. The circuit board 51 may be screw-coupled to the rear cover 30. The command input unit is electrically connected with the circuit board 51, inputs signals to the central processing unit through a circuit on the circuit board 51, the central processing unit processes the signals and outputs the processed signals to the display screen 40, and the display screen 40 converts the signals into various image light rays which can be identified by a user. The instruction input device can be a key, a sound controller or a light sensor. In other embodiments, if the terminal 100 is a notebook computer, the control component 50 may be accommodated in another housing.

In the present embodiment, the rear cover 30 is a cover plate, and the rear cover 30 covers the front cover 110 by means of a snap-fit connection. Thereby facilitating the detachment of the rear cover 30 from the front cover 110 and thus enabling the installation of the display 40 and the control assembly 50 inside the terminal 100. In other embodiments, the rear cover 30 can also be covered on the front cover 110 by means of screw connection.

Further, the frame 10 is integrally formed with the glass plate 20.

In this embodiment, the frame 10 and the glass plate 20 are fixedly connected by an integral molding process. Specifically, a glass raw material plate of the glass plate 20 is obtained by compression roller molding, a rectangular semi-finished plate of the glass plate 20 is obtained by a cutting process, and finally, the periphery of the rectangular semi-finished plate is processed by a numerical control milling machine, so that the glass plate 20 is finally obtained. The glass plate 20 is placed in a mold cavity of an injection mold, and then the frame 10 is integrally injected on the glass plate 20 through an injection molding process. Therefore, the first inner joint surface 12 and the second inner joint surface 22 are better jointed, the first appearance surface 11 and the second appearance surface 21 are in the same die cavity, the surface formed by the first appearance surface 11 and the second appearance surface 21 is smoother, and the structure of the frame 10 and the glass plate 20 is more stable. In other embodiments, if the frame is made of metal, the glass plate may be placed in a cavity of a forming mold, and liquid metal is injected into the forming mold, so that the frame and the glass plate are integrally formed.

Further, the front cover 110 further includes a light-transmitting film or an explosion-proof film, which is attached to the smooth surface formed by the first appearance surface 11 and the second appearance surface 12 and covers the seam between the first appearance surface 11 and the second appearance surface 21.

In this embodiment, the light-transmitting film is made of a thermoplastic resin material. The light-transmitting film may be a translucent photosensitive material, and the light-transmitting film appears dark under dark light, thereby weakening a bonding line of the first appearance surface 11 and the second appearance surface 21; under strong light, the light transmission performance of the light transmission film is enhanced, so that light can be transmitted well. The light-transmitting film may also be a material of high permeability, achieving good light-transmitting properties. The light transmissive film completely covers the second appearance surface 21 so that the light transmissive film protects the second appearance surface 21 from scratches or damage while ensuring the appearance integrity of the terminal 100. In other embodiments, the light-transmitting film can be replaced by an explosion-proof film.

Further, the frame 10 includes a frame 101 and a flange 102 disposed on an inner wall of the frame 101, the flange 102 is provided with a step surface 13 connected to the first inner joint surface 12, an inner angle 13a is formed between the step surface 13 and the first inner joint surface 12, the glass plate 20 further includes a connection surface 23 connected to the second inner joint surface 22, the connection surface 23 is disposed opposite to the second outer surface 21, the connection surface 23 and the second inner joint surface 22 form a chamfer 23a, and the chamfer 23a is matched with the inner angle 13 a.

In a preferred embodiment of this embodiment, the step surface 13 is perpendicular to the first inner junction surface 12. Specifically, the flange 102 is disposed on the inner wall 10d, the flange 102 is close to the bottom surface 10b, and the cross section of the flange 102 is rectangular. The step surface 13 is provided on the top end surface of the flange 102, and the bottom end surface of the flange 102 is flush with the bottom surface 10 b. The inner corner 13a is disposed between the flange 102 and the first inner abutment surface 12, and the inner corner 13a is a right-angled recess to receive the edge of the glass sheet 20, thereby increasing the bonding strength between the frame 10 and the glass sheet 20. In other embodiments, the flange may be stepped, and the flange may further have a plurality of parallel stepped surfaces, so that the inner wall of the frame has a plurality of inner angles.

In the present embodiment, the connection surface 23 is perpendicular to the second inner junction surface 22, and the connection surface 23 is parallel to the first outer surface 11. The chamfer 23a is a right angle chamfer. Therefore, the chamfer 23a is embedded with the concave angle 13a, and the step surface 13 and the first inner joint surface 12 together clamp the edge of the glass plate 20, so as to enhance the connection between the frame 10 and the glass plate 20, so that the frame 10 stably supports the glass plate 20, prevent the glass plate 20 from separating from the frame 10, and prolong the service life of the terminal 100. In another embodiment, if the frame has a plurality of parallel step surfaces, the periphery of the glass plate may also have a plurality of parallel connecting surfaces, so that the periphery of the glass plate forms a plurality of chamfers, and the plurality of chamfers are matched with the plurality of inner corners in a one-to-one correspondence.

In another embodiment of this embodiment, as shown in FIGS. 3 and 4, the side wall 20c of the glass sheet 20 is provided with a flange 202, and the flange 202 is provided with a step surface 130 connected to the second inner abutment surface 22. The step surface 130 and the second inner joint surface 22 form an inner corner 130 a. The frame 10 includes a connecting surface 230 connected to the first inner connecting surface 12, the connecting surface 230 and the first inner connecting surface 12 form a chamfer 230a, and the chamfer 230a is matched with the inner corner 130 a. I.e., the flange 202 bears against the inner edge of the bezel 10, thereby further reducing the size of the bezel 10 and enabling the terminal 100 to have a larger display area.

Further, the first inner joint surface 12 is provided with a

first protrusion

121, 121a, 122a, 123a, the second inner joint surface is provided with a

second recess

221, 221a, 222a, 223a, and the

first protrusion

121, 121a, 122a, 123a is matched with the

second recess

221, 221a, 222a, 223 a; and/or the first inner abutment surface 12 is provided with a

first recess

121b, 122b, 123b, the second inner abutment surface 22 is provided with a

second protrusion

221b, 222b, 223b, and the

first recess

121b, 122b, 123b is matched with the

second protrusion

221b, 222b, 223 b.

In a preferred embodiment of this embodiment, as shown in fig. 4, the frame 10 is provided with a first protrusion 121 at the first inner joint surface 12. The first protrusion 121 is adjacent to the top end 10a of the frame 10, the first protrusion 121 extends circumferentially along the inner wall 10d of the frame 10, and the cross-section of the first protrusion 121 is triangular. The second inner contact surface 22 is provided with a second recess 221 corresponding to the first protrusion 121. The second recess 221 is adjacent to the upper wall 20a of the glass plate 20, and the second recess 221 extends in the circumferential direction of the glass plate 20. The first protrusion 121 is inserted into the second recess 221, so that the first inner contact surface 12 is engaged with the second inner contact surface 22. The second recess 221 is formed on the peripheral side of the glass plate 20, so that when the glass plate 20 is machined, only a cutting process is needed, the glass plate 20 is conveniently clamped, the glass plate 20 is further conveniently machined, and the manufacturing cost of the terminal 100 is reduced. Meanwhile, since the second recess 221 is adjacent to the upper wall 20a of the glass plate 20, the injection pressure of the first protrusion 121 is reduced in a gradient manner when the frame 10 is injection-molded, so as to prevent the defects of burrs or excessive glue at the joint of the frame 10 and the glass plate 20. In other embodiments, the first inner junction surface may be provided with a first recess, and the second inner junction surface may be provided with a second protrusion.

In another embodiment of this embodiment, as shown in FIG. 5, the first inner junction surface 12 is provided with a first protrusion 121a and two first recesses 121 b. The second inner abutment surface 22 is provided with a second recess 221a and a second projection 221 b. The first protrusion 121a is adjacent to the top wall 10a, and the first recess 121b is spaced apart from the first protrusion 121 a. The second recess 221a corresponds to the first protrusion 121a, and the second protrusion 221b corresponds to the first recess 121 b. Thereby increasing the contact area between the first inner joint surface 12 and the second inner joint surface 22, facilitating the combination of the frame 10 (see fig. 1) and the glass sheet 20 (see fig. 1), ensuring the integration of the frame 10 and the glass sheet 20, and further facilitating the smooth joining of the first appearance surface 11 (see fig. 2) and the second appearance surface 21 (see fig. 2).

In the present embodiment, there is still another modification based on another embodiment, and a first modification is provided, as shown in fig. 6, in which the first inner joint surface 12 is provided with a first protrusion 122a and a first recess 122 b. The first protrusion 122a is wedge-shaped, and the first recess 122b is a semicircular groove. The first protrusion 122a is adjacent to the bottom surface 10b, and the first recess 122b is disposed adjacent to the first protrusion 122 a. The second inner contact surface 22 is provided with a second recess 222a and a second protrusion 222b, the second recess 222a corresponds to the first protrusion 122a, and the second recess 222a is combined with the first protrusion 122 a. The second protrusion 222b corresponds to the first recess 122b, and the second protrusion 222b is combined with the first recess 122 b. Therefore, the contact area between the first inner joint surface 12 and the second inner joint surface 22 is further increased, so that the bonding strength between the frame 10 and the glass sheet 20 is better, the frame 10 and the glass sheet 20 are prevented from generating lateral displacement, a gap between the first appearance surface 11 and the second appearance surface 12 is prevented, and the surface smoothness of the terminal 100 (see fig. 1) is facilitated.

In this embodiment, a second modification is provided, as shown in fig. 7, the first inner contact surface 12 is wavy, that is, the first inner contact surface 12 is provided with a first protrusion 123a and a first recess 123 b. The first protrusion 123a is a semicircular flange, and the first recess 123b is a semicircular groove. The first protrusion 123a and the first recess 123b are adjacently disposed. The second inner contact surface 22 is provided with a second recess 223a and a second protrusion 223b, the second recess 223a corresponds to the first protrusion 123a, and the second recess 223a is combined with the first protrusion 123 a. The second protrusion 223b corresponds to the first recess 123b, and the second protrusion 223b is combined with the first recess 123 b. Thereby increasing the contact area between the first inner joint surface 12 and the second inner joint surface 22 and increasing the longitudinal shear stress between the frame 10 and the glass sheet 20, so as to prevent the frame 10 and the glass sheet 20 from forming a longitudinal shear motion and damaging the inner parts of the seamless terminal front cover 110; the first appearance surface 11 and the second appearance surface 21 are prevented from having a level difference, and the smoothness of the first appearance surface 11 and the second appearance surface 21 is also ensured, which is advantageous for the good appearance of the terminal 100 (see fig. 1).

Further, as shown in fig. 1 and 8, the terminal 100 further includes a middle frame 60, the frame 10 includes a third appearance surface 15, the middle frame 60 includes a fourth appearance surface 64, and the third appearance surface 15 smoothly meets the fourth appearance surface 64.

In this embodiment, the middle frame 60 is a ring-shaped member extending in parallel to the length direction of the side frame 10. The middle frame 60 is made of plastic. Frame 10 and glass board 20 integrated into one piece, it is concrete, put into the injection mold chamber of center 60 with frame 10 and glass board 20 together, mould plastics for center 60 integrated into one piece is on frame 10, and then realizes that terminal 100 can have the combination of two kinds of different colouring materials, increases terminal 100's diversification to and increase terminal 100's service function. The injection mold of the middle frame 60 and the injection mold of the side frame 10 can be a set of two-color mold, and the injection mold of the middle frame 60 and the injection mold of the side frame 10 are used together on one two-color injection molding machine for injection molding. Therefore, the middle frame 60 and the side frame 10 are tightly combined without any gap, and the appearance effect of the surface seamless terminal 100 is improved. In other embodiments, the middle frame may also be made of metal, and the middle frame may be formed through a stamping process or a numerical control milling machine process, so that the middle frame and the glass plate may be placed into an injection mold of the side frame together, and the front cover 110 is formed in one step, which is favorable for the structural stability of the terminal 100 and reduces the outer surface gap of the terminal 100.

In this embodiment, the third external surface 15 is disposed on the outer wall 10c, and the third external surface 15 is a plane. The fourth appearance surface 64 is disposed on the outer wall of the middle frame 60, and the fourth appearance surface 64 is a plane, so that there is no break at the joint of the frame 10 and the middle frame 60, and the surfaces of the frame 10 and the middle frame 60 are smooth, thereby enhancing the appearance effect of the terminal 100, conforming to human engineering, and improving the utilization efficiency of the terminal 100. In other embodiments, the third appearance surface may be a circular arc surface, the fourth appearance surface may also be a circular arc surface, or the third appearance surface and the fourth appearance surface smoothly meet in a manner of combining a plane circular arc surface.

In this embodiment, the bottom of the middle frame 60 is provided with a first clamping plate 60a, and the periphery of the rear cover 30 is provided with a second clamping plate 30 a. The second card 30a is engaged with the first card 60a, and the rear cover 30 is fixed on the middle frame 60, so that the front cover 110, the middle frame 60 and the rear cover 30 together form a housing of the terminal 100. Specifically, the first catch plate 60a is adjacent to the inner wall of the middle frame 60. The inner side surface of the second clamping board 30a is attached to the surface of the first clamping board 60a, which is far away from the inner wall of the middle frame 60. The surface of the second catch plate 30a facing away from the first catch plate 60a is in smooth contact with the outer surface of the back cover 30. Meanwhile, after the rear cover 30 is clamped on the middle frame 60, the second clamping plate 30a deviates from the first clamping plate 60a, and one surface of the second clamping plate is smoothly connected with the surface of the outer wall of the middle frame 60. In other embodiments, the second card 30a may be adjacent to the inner wall of the back cover 30, and the side of the first card 60a facing away from the second card 30a may smoothly meet the outer surface of the back cover 30.

Further, as shown in fig. 9, an adhesive layer 220 is disposed between the frame 10 and the glass plate 20.

In this embodiment, when the size of the frame 10 is small, the areas of the first inner joint surface 12 and the second inner joint surface 22 are limited, and the bonding strength between the frame 10 and the glass plate 20 is limited, before the frame 10 is injection molded, an adhesive layer 220 may be coated on the second inner joint surface 22 and the joint surface 23, and then the frame 10 is subjected to an injection molding process, so that the adhesive layer 220 and the adhesive of the frame 10 are melted together when the frame 10 is injection molded, thereby enhancing the bonding strength between the frame 10 and the glass plate 20. Specifically, the adhesive layer 220 partially covers the first inner joint surface 12 and the second inner joint surface 22. The adhesive layer 220 comprises a first adhesive surface 220a and a second adhesive surface 220b disposed opposite to each other. The first adhesion surface 220a adheres to a portion of the first inner joint surface 12 and the adhesion step surface 13. The second bonding surface 220b is bonded to a portion of the second inner junction surface 22 and a portion of the bonding surface 23. So that the portion of the first inner abutment surface 12 adjacent to the first outer surface 11 can closely abut the portion of the second inner abutment surface 22 adjacent to the second outer surface 21, thereby ensuring no gap between the peripheral frame 10 and the glass sheet 20. In other embodiments, the adhesive layer may also be partially adhered to the first inner joint surface and the second inner joint surface.

Further, as shown in fig. 1, the display screen 40 may be a touch screen, the display screen 40 is attached to a surface of the glass plate 20 facing away from the second appearance surface 21, and the instruction input device may be a virtual key or/and a physical key 511.

In this embodiment, the display screen 40 is bonded to the connection surface 23. The command input unit includes a virtual key (not shown) and a physical key 511. The virtual keys are integrated on the display 40, and the physical keys 511 are disposed on the housing of the terminal 100. Specifically, the display screen 40 displays virtual keys, and signals are input to the central processing unit by touching the virtual keys on the second appearance surface 21 of the glass plate 20, so as to realize human-computer interaction of the terminal 100. The physical key 511 is used to implement power switch control of the terminal 100, or to control the display 40 to be turned off or awakened. The virtual keys using the command input device are integrated on the display screen 40, so that the number of the physical keys of the terminal 100 is reduced, the number of the through holes formed in the terminal 100 is reduced, the gaps of the surface seamless terminal 100 are reduced, and the service life of the terminal 100 is prolonged. In other embodiments, the Display 40 may also be an LCD (Liquid Crystal Display); the instruction inputter may also include only physical keys 511.

Further, the rear cover 30 includes a transparent glass plate 31 and a cover plate 32, the cover plate 32 is provided with a through hole 32a, the transparent glass plate 31 is integrally formed in the through hole, the side wall of the transparent glass plate 31 is attached to the inner wall of the through hole 32a, and the lighting surface 311 of the transparent glass plate 31 is smoothly connected with the outer surface of the cover plate 32.

In this embodiment, as shown in fig. 10, the terminal 100 further includes a camera (not shown) fixed inside the rear cover 30 and disposed opposite to the transparent glass plate 31. The lighting surface 311 collects external light and transmits the light to the camera through the transparent glass plate 31. And then the camera realizes shooting or photographing. The lighting surface 311 of the light-transmitting glass plate 31 is smoothly connected with the outer surface of the cover plate 32, so that no gap or section difference is formed on the outer surface of the rear cover 30, thereby enhancing the smoothness of the surface of the terminal 100.

In this embodiment, as shown in fig. 11, another embodiment is provided, in which the back cover 30 includes a second clamping board 30a and a bottom board 30b, the structure of the second clamping board 30a is the same as the structure of the frame 10, the structure of the bottom board 30b is the same as the structure of the glass plate 20, and the display screen 40 may be a double-sided display screen. Specifically, the display screen 40 further includes an auxiliary display surface 42 disposed opposite to the light emitting surface 41. The auxiliary display surface 42 is attached to the inner side of the bottom plate 30b, so that the terminal 100 (see fig. 1) achieves a double-sided display effect, and the use function of the terminal 100 is increased.

The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.

Claims

1. A terminal is characterized by comprising a front cover, wherein the front cover comprises a frame, a middle frame and a glass plate, the frame comprises a first inner joint surface, the glass plate comprises a second inner joint surface, the first inner joint surface is arranged on the inner side of the frame, the second inner joint surface is arranged on the periphery side of the glass plate, the frame is fixedly connected with the glass plate, the first inner joint surface of the frame is attached to the second inner joint surface of the glass plate, the terminal further comprises a rear cover, the rear cover is covered on the frame, and an accommodating cavity is formed between the rear cover and the front cover; the terminal also comprises a display screen, the display screen is fixed in the accommodating cavity, and the display screen is a touch screen; the middle frame is fixedly connected with the frame, the middle frame is located the frame is kept away from one side of the glass plate, the frame faces towards the middle frame and protrudes to form a convex block, the middle frame faces towards the frame and is sunken to form a groove, and the convex block is clamped with the groove.

2. A terminal as claimed in claim 1, wherein the bezel is integrally formed with the glass panel.

3. A terminal according to claim 1 or 2, wherein the frame further comprises a first appearance surface attached to the first interior abutment surface, the glass sheet further comprises a second appearance surface attached to the second interior abutment surface, the first appearance surface and the second appearance surface smoothly abut to form a seamless smooth surface; the front cover further comprises a light-transmitting film or an explosion-proof film, wherein the light-transmitting film or the explosion-proof film is attached to the smooth surface formed by the first appearance surface and the second appearance surface and covers the seam between the first appearance surface and the second appearance surface.

4. The terminal according to claim 1, wherein the frame comprises a frame body and a flange disposed on an inner wall of the frame body, the flange is provided with a step surface connected with the first inner connecting surface, an inner angle is formed between the step surface and the first inner connecting surface, the frame further comprises a first appearance surface connected with the first inner connecting surface, the glass plate further comprises a connecting surface connected with the second inner connecting surface, the connecting surface is disposed opposite to the first appearance surface, the connecting surface and the second inner connecting surface form a chamfer, and the chamfer is matched with the inner angle.

5. A terminal according to claim 1, wherein the first internal facing surface is provided with a first protrusion and the second internal facing surface is provided with a second recess, the first protrusion cooperating with the second recess; and/or the first inner connecting surface is provided with a first recess, the second inner connecting surface is provided with a second projection, and the first recess is matched with the second projection.

6. The terminal of claim 5, wherein the bezel further comprises a first appearance surface attached to the first interior abutment surface, the glass sheet further comprising a second appearance surface attached to the second interior abutment surface, the first appearance surface and the second appearance surface smoothly abutting to form a seamless smooth surface; the first inner connecting surface is provided with the first bulges, the first bulges are connected with the first appearance surface, the first bulges extend along the circumferential direction of the inner wall of the frame, the second inner connecting surface is provided with the second recesses, the second recesses are connected with the second appearance surface, the second recesses extend along the circumferential direction of the glass plate, and the first bulges are matched with the first recesses.

7. A terminal as claimed in claim 5, characterised in that the first internal surface is provided with the first projection and the first recess, the first projection being wedge-shaped, the first recess being a semi-circular groove, the first projection being provided adjacent the first recess, the second internal surface being provided with the second recess and the second projection, the second recess cooperating with the first projection, the second projection cooperating with the first recess.

8. A terminal according to claim 1, wherein the bezel and the center frame are integrally formed and connected.

9. A terminal according to claim 8, wherein the bezel further comprises a first appearance surface coupled to the first interior facing surface, the glass sheet further comprises a second appearance surface coupled to the second interior facing surface, the first appearance surface and the second appearance surface smoothly interface to form a seamless smooth surface; the frame further comprises a third appearance surface, the middle frame comprises a fourth appearance surface, and the third appearance surface is smoothly connected with the fourth appearance surface.

10. A terminal as claimed in claim 9, wherein the first appearance surface is a circular arc surface or a flat surface, the second appearance surface is a circular arc surface or a flat surface, the third appearance surface is a circular arc surface or a flat surface, and the fourth appearance surface is a circular arc surface or a flat surface.

11. A terminal as claimed in claim 1, wherein an adhesive layer is provided between the frame and the glass panel.

12. A terminal according to claim 1, wherein the glass sheet further comprises a second appearance surface connected to the second interior junction surface; the terminal further comprises a display screen, the display screen is fixed in the containing cavity, the display surface of the display screen is opposite to the glass plate, and the display screen is attached to one surface, deviating from the second appearance surface, of the glass plate.

13. The terminal of claim 1, wherein the rear cover comprises a light-transmitting glass plate and a cover plate, the cover plate is provided with a through hole, the light-transmitting glass plate is integrally formed in the through hole, the side wall of the light-transmitting glass plate is attached to the inner wall of the through hole, and the lighting surface of the light-transmitting glass plate is smoothly connected with the outer surface of the cover plate; the bottom of center sets up first cardboard, and the periphery of back lid sets up the second cardboard, the second cardboard with first cardboard looks block.

14. A terminal as claimed in claim 1, wherein the rear cover includes a second card and a base plate, the second card being arranged to have the same configuration as the bezel, the base plate being arranged to have the same configuration as the glass plate; the display screen is a double-sided display screen, and the display surface of the display screen is arranged opposite to the glass plate.