CN214756431U

CN214756431U - Terminal Equipment

Info

Publication number: CN214756431U
Application number: CN202120630113.5U
Authority: CN
Inventors: 尹浩发
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-16
Anticipated expiration: 2031-03-29

Abstract

The application discloses a terminal device, comprising: a middle frame, the middle frame has a first bonding area and a second bonding area, the second bonding area is located inside the first bonding area; a display module, a display module Set on the middle frame, the display module and the first bonding area are bonded by a first bonding member, and the display module and the second bonding area are bonded by a second bonding member, wherein the second bonding The component includes a first bonding part, and the first bonding part is formed by the glue dispensing part located in the second bonding area being squeezed and then cured when the display module and the middle frame are assembled. The terminal equipment provided by the present application can not only block the liquid passing through the first bonding member through the first bonding part, but also has an excellent filling and sealing effect, reducing the amount of liquid infiltrating into the terminal, thereby improving the terminal equipment The waterproof performance can be improved, and at the same time, there is no need to open a glue-filling hole in the middle frame to form the first bonding portion, so as to ensure the structural strength of the middle frame, thereby ensuring the overall strength of the terminal equipment.

Description

Terminal device

Technical Field

The utility model relates to an electronic equipment field, concretely relates to terminal equipment.

Background

The cell-phone includes center and display module assembly, and the display module assembly includes that display panel and lid locate the cover plate glass on the display panel, and display panel's the back bonds in the center, and cover plate glass's edge bonds through bonding between hot melt adhesive and the center.

However, because of the requirement of the internal structure of the mobile phone, a gap located inside the hot melt adhesive exists in the mobile phone, and liquid can permeate into the mobile phone through the gap after penetrating through the hot melt adhesive, so that the waterproof performance of the mobile phone is poor. At present, how to improve the waterproof performance of the mobile phone becomes a problem which needs to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks or deficiencies in the prior art, it is desirable to provide a terminal device.

The application provides a terminal device, including:

the middle frame is provided with a first bonding area and a second bonding area, and the second bonding area is positioned on the inner side of the first bonding area;

the display module assembly, the display module assembly sets up in the center, bonds through first bonding piece between display module assembly and the first bonding region, bonds through second bonding piece between display module assembly and the second bonding region, and wherein the second bonding piece includes first bonding portion, and first bonding portion is extruded the postcure formation when display module assembly and center assembly by the some department of gluing that is located the second bonding region.

In some embodiments, the first adhesive region and the second adhesive region are spaced apart.

In some embodiments, the first adhesive and the second adhesive are connected.

In some embodiments, the second bonding region is concavely provided with a first glue storage tank, the first glue storage tank is of a sectional structure and comprises more than two glue tank sections arranged at intervals, and the circumferential side wall of each glue tank section is of a closed structure.

In some embodiments, the middle frame is provided with a glue injection hole which penetrates through the middle frame along the thickness direction, and one end of the glue injection hole is positioned in the second bonding area;

the second bonding piece further comprises a second bonding portion, and the second bonding portion is formed by solidifying glue injected into the second bonding area through the glue injection hole.

In some embodiments, the plug body is further included, and the plug body is matched with the glue injection hole so as to plug the glue injection hole after glue injection is completed through the glue injection hole.

In some embodiments, the middle frame further has a third bonding area, the display module comprises a display screen, the back surface of the display screen is bonded with the third bonding area through a third bonding piece, and the second bonding area is a non-closed structure arranged around the third bonding area.

In some embodiments, the second bonding area is a continuous structure, and both ends of the second bonding area are bonded to the display module through the second bonding member.

In some embodiments, the second adhesive has a lower adhesive strength than the first adhesive.

In some embodiments, the display device is a curved display device.

The application provides a terminal equipment, inboard through the first bonding region at the center is equipped with the second bonding region, bond through the second bonding piece between second bonding region and the display module assembly, the second bonding piece has first bonding portion and is extruded the postcure formation by the point of being located the second bonding region some glue portion when display module assembly and center are assembled, first bonding portion not only can carry out the separation to the liquid that sees through first bonding piece, and still has fabulous sealed effect of filling, reduce the inside liquid volume of infiltration terminal, and then improve terminal equipment's waterproof performance, simultaneously can also need not to set up at the center and fill out the gluey hole in order to form first bonding portion, ensure the structural strength of center, and then ensure terminal equipment's bulk strength.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic partial structure diagram of a terminal structure provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a middle frame with a glue dispensing portion according to an embodiment of the present application;

fig. 3 is a schematic view illustrating an assembly between a display device and a middle frame according to an embodiment of the present disclosure;

fig. 4 is a schematic partial structure diagram of a terminal structure according to another embodiment of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

Referring to fig. 1 to 3, an embodiment of the present application provides a terminal device, where the terminal device may be a mobile phone, a tablet computer, a smart watch, and the like, and the present application does not limit this.

With continuing reference to fig. 1-3, a terminal device provided in an embodiment of the present application includes:

a middle frame 100, the middle frame 100 having a first bonding region 110 and a second bonding region 120, the second bonding region 120 being located inside the first bonding region 110;

the display module assembly 200, the display module assembly 200 sets up in center 100, bonds through first bonding piece 400 between display module assembly 200 and the first bonding region 110, bonds through the second bonding piece between display module assembly 200 and the second bonding region 120, and wherein the second bonding piece includes first bonding portion 310, and first bonding portion 310 is formed by the point of gluing portion that is located second bonding region 120 by being extruded the postcure when display module assembly 200 and center 100 assemble.

In this embodiment, the terminal device includes a middle frame 100 and a display module 200 disposed on the middle frame 100, the middle frame 100 has a first bonding area 110 and a second bonding area 120, and the first bonding area 110 and the second bonding area 120 are located on a side of the middle frame 100 close to the display module 200. The first bonding region 110 may be a closed ring structure or an unclosed ring structure disposed along the circumferential edge of the middle frame 100, and the second bonding region 120 is located inside the first bonding region 110, i.e. the second bonding region 120 is located in the inner cavity surrounded by the first bonding region 110. A gap is formed between the second adhesion region 120 on the middle frame 100 and the display module 200, and the gap is formed based on the internal configuration requirement of the terminal device, such as but not limited to the assembly gap between the display module 200 and the middle frame 100.

The first adhesive member 400 is disposed between the display module 200 and the first adhesive region 110, and the first adhesive member 400 adheres the display module 200 and the first adhesive region 110, and the first adhesive member 400 can not only fixedly adhere the display module 200 and the middle frame 100, but also block external liquid from permeating into the terminal. When the first bonding region 110 is of a closed annular structure, the first bonding member 400 may also be of a closed annular structure, so that the first bonding member 400 can circumferentially seal the edge of the display module 200 and the edge of the middle frame 100, and prevent external liquid from permeating into the terminal device from the edge of the display module 200 and the edge of the middle frame 100, so that the terminal device has good waterproof performance. The first adhesive member 400 may be a double-sided tape or a hot melt adhesive, which is not limited in the embodiment of the disclosure.

A second bonding member is arranged between the display module 200 and the second bonding region 120, and a first bonding portion 310 of the second bonding member bonds the display module 200 and the first bonding region 110, the first bonding portion 310 not only can fixedly bond the display module 200 and the middle frame 100, but also can seal and block at least part of gaps, so as to prevent external liquid from continuously permeating into the terminal. The first adhesive portion 310 is formed by pressing and curing the dispensing portion located in the second adhesive region 120 when the display module 200 and the middle frame 100 are assembled, and the assembling direction of the display module 200 and the middle frame 100 is shown by an arrow a in fig. 3. Through setting up foretell first bonding portion 310, on the one hand not only can carry out the separation to the liquid that sees through first bonding piece 400, reduce the liquid volume that permeates to in the clearance, and still because first bonding portion 310 is extruded when display module assembly 200 and center 100 assemble, make first bonding portion 310 can seal the packing to the partial clearance at place better, the sealing performance of second bonding piece to the clearance has been improved, and then improve terminal equipment's waterproof performance, on the other hand can also realize need not to set up on center 100 and fill out gluey hole in order to be used for forming first bonding portion 310, can reduce or even avoid trompil on center 100, ensure center 100's structural strength, and then ensure terminal equipment's bulk strength. The dispensing portion may be formed by a dispensing process, which includes but is not limited to brushing, dropping, and the like, and the embodiment of the disclosure does not limit this. The first bonding portion 310 may be a sealant, and the like, which is not limited in the embodiments of the disclosure.

The filling position of the first bonding portion 310 to the gap and the filling and sealing degree of the first bonding portion 310 to the gap may be selected according to the requirement of waterproof performance, which is not limited in the embodiments of the present disclosure. It should be understood that the higher the filling and sealing degree of the first bonding portion 310 in the gap, the better the waterproof performance of the terminal device.

Referring to fig. 4, in some embodiments of the present disclosure, the middle frame 100 is provided with a glue injection hole 150 penetrating through the thickness direction, and one end of the glue injection hole 150 is located in the second bonding region 120;

the second adhesive member further includes a second adhesive portion 320, and the second adhesive portion 320 is formed by curing the glue injected into the second adhesive region 120 through the glue injection hole 150.

In the present embodiment, the glue injection hole 150 is disposed through the middle frame 100 along the thickness direction, and one end of the glue injection hole 150 is located in the second bonding region 120. The second bonding member further includes a second bonding portion 320, and the second bonding portion 320 may be formed by injecting glue into the gap through the glue injection hole 150 and curing the glue (hereinafter, the glue used to form the second bonding portion 320 is simply referred to as glue injection glue). The second adhesive portion 320 can further increase the degree of sealing and sealing the gap by the second adhesive material, thereby further improving the waterproof performance of the terminal device.

The number of the glue injection holes 150 may be one or more than two, which is not limited in the embodiment of the disclosure.

The filling position of the second bonding portion 320 to the gap and the filling and sealing degree of the second bonding portion 320 to the gap can be selected according to the waterproof performance requirement. It should be understood that the higher the filling and sealing degree of the second bonding portion 320 in the gap, the better the waterproof performance of the terminal device.

The second bonding portion 320 and the first bonding portion 310 may be mixed and melted to bond them to each other, or the second bonding portion 320 and the first bonding portion 310 may be spaced apart from each other.

The first bonding portion 310 and the second bonding portion 320 may be made of the same material or different materials, which is not limited in the embodiments of the disclosure.

In some embodiments of the present disclosure, the terminal device further includes a plug body 160, and the plug body 160 cooperates with the glue injection hole 150 to plug the glue injection hole 150 after the glue injection is completed through the glue injection hole 150.

In this embodiment, after the glue injection glue is injected into the gap through the glue injection hole 150, the glue injection hole 150 can be immediately filled by the plug 160, and the plug 160 can extrude the injected glue injection glue when filling the glue injection hole 150, so as to promote the flow of the glue injection glue in the gap, improve the filling effect of the glue injection glue in the gap, and further improve the sealing and filling performance of the second bonding member.

Wherein, in the scheme that bonds of first bonding portion 310 and second bonding portion 320, just inject injecting glue through injecting glue hole 150 when some portion have not solidified yet, then the rethread cock body 160 packs injecting glue hole 150, so can improve injecting glue and some flowing range of gluing portion in the clearance, not only can make between some portion of gluing and the injecting glue fully contact, and can also improve the sealed effect of first bonding portion 310 and second bonding portion 320 to the clearance.

Wherein, the stopper body 160 matches with the injecting glue hole 150 in shape, so can make the stopper body 160 fill effectual to injecting glue hole 150, and can also reduce the risk that the excessive glue appears in injecting glue hole 150. Of course, in other embodiments, the plug body 160 and the glue injection hole 150 may not match in shape, such as the size of the plug body 160 being smaller than the size of the glue injection hole 150.

In some embodiments of the present disclosure, the second bonding region 120 is recessed with a first glue storage groove 130, and the first glue storage groove 130 can be used for storing the glue dispensing portion and/or the glue injection glue. Through foretell first glue storage tank 130, can have certain inclusion to the control of the glue injection volume in clearance, help reducing the control degree of difficulty of glue injection volume, and then reduce the processing degree of difficulty of second bonding piece.

In some embodiments of the present application, the first glue storage tank 130 is a sectional structure and includes two or more glue tank segments arranged at intervals, and a circumferential side wall of each glue tank segment is a closed structure.

In the present embodiment, the first glue storage tank 130 is a sectional structure and at least has two or more glue tank sections arranged at intervals. Each glue groove section all has the opening that sets up towards display module assembly 200 and the circumference lateral wall that encircles the opening setting, and the circumference lateral wall all is enclosed construction, and the slot chamber of glue dispensing portion and/or injecting glue accessible opening business turn over glue groove section promptly. Through setting up foretell first glue storage tank 130, not only can reduce the flowing pressure of the gluey portion of every gluey groove section midpoint and/or injecting glue, improve the sealed effect of filling of second bonding piece, can also reduce the risk that glue spills over from the head and the tail glue groove section simultaneously.

And partial second bonding pieces in two adjacent rubber groove sections are bonded with each other or are arranged separately.

Of course, in other embodiments, the first glue tank 130 may be a continuous structure.

In some embodiments of the present disclosure, the first bonding region 110 is recessed with a second glue storage groove 140, and the second glue storage groove 140 can be used for storing glue for forming the first bonding member 400. Through the second glue storage groove 140, a certain compatibility can be provided for controlling the glue injection amount on the first bonding area 110, which is beneficial to reducing the difficulty of controlling the glue injection amount.

The second glue storage tank 140 may be a continuous ring structure or a discontinuous ring structure.

In some embodiments of the present application, the first bonding area 110 and the second bonding area 120 are separately disposed, so that the risk of the glue spot flowing to the first bonding area 110 and the risk of the glue forming the first bonding member 400 flowing to the second bonding area 120 can be reduced, so as to reduce the mutual influence between the first bonding member 400 and the second bonding member.

In addition, when the first bonding region 110 and the second bonding region 120 are both concavely provided with glue storage tanks, the first glue storage tank 130 and the second glue storage tank 140 can be separately arranged between the first bonding region 110 and the second bonding region 120, so that the continuous grooving width on the middle frame 100 is small, and the structural strength of the middle frame 100 is favorably ensured.

Of course, in other embodiments, the first adhesive region 110 and the second adhesive region 120 are disposed contiguously.

In some embodiments of the present application, the first adhesive 400 is connected to the second adhesive.

In this embodiment, first bonding piece 400 and second bonding piece bond each other, and the part that not only bonds can increase the degree of difficulty that first bonding piece 400 was oozed to outside liquid, helps improving terminal equipment's waterproof performance, can also enlarge the bonding area of first bonding piece 400 and second bonding piece to between display module assembly 200 and the center frame 100 simultaneously, improves the bonding strength between display module assembly 200 and the center frame 100.

The first adhesive material 400 and the second adhesive material may be bonded to each other by: when the middle frame 100 and the display module 200 are assembled, the dispensing part is pressed to flow towards the first adhesive member 400 and is adhered with the first adhesive member 400; alternatively, when the glue is injected into the gap and the glue is filled by the plug 160, the glue and/or the glue dispensing portion is pressed to flow toward the first adhesive member 400 and adhere to the first adhesive member 400.

Of course, in other embodiments, the first adhesive member 400 and the second adhesive member are separately disposed.

In some embodiments of the present application, the middle frame 100 further has a third bonding area, the display module 200 includes a display screen 210, the back surface of the display screen 210 is bonded to the third bonding area by a third bonding member 500, and the second bonding area 120 is a non-enclosed structure disposed around the third bonding area.

In the present embodiment, the middle frame 100 further has a third adhesive region, which is located inside the second adhesive region 120. The display module 200 includes a display screen 210 and a screen cover 220 covering the display screen 210, the peripheral edge of the screen cover 220 is bonded to the first bonding member 400 through the first bonding member 400, and the back of the display screen 210 is bonded to the third bonding region through the third bonding member 500.

The second adhesive region 120 is a non-closed structure surrounding the third adhesive region, that is, the gap is a non-closed structure surrounding the third adhesive region, the second adhesive region 120 has an open position 121 on the outer periphery of the third adhesive region, and the open position 121 is used for avoiding relevant components inside the mobile terminal, which facilitates the optimized layout of the positions of the components in the terminal device. The relevant components are related to the internal structure of the mobile terminal, such as but not limited to an antenna, and the like, and the application is not limited thereto.

Referring to fig. 2, the second bonding region 120 is a continuous non-closed structure, has a substantially rectangular ring-shaped structure with one side being absent, and has an open position 121.

The number of the open positions 121 may be one or more than two, which is not limited in the present application. The screen cover 220 may be a glass cover or a plastic cover, etc., which is not limited in this application. The third adhesive member 500 may be double-sided tape, glue, etc., which is not limited in this application.

Of course, in other embodiments, the second adhesive region 120 may also be a closed structure disposed around the third adhesive region.

In some embodiments of the present disclosure, the second bonding region 120 is a continuous structure, and both ends of the second bonding region 120 are bonded to the display module 200 by a second bonding member.

In this embodiment, the second bonding region 120 is a continuous structure, that is, the gap is a continuous structure, and both ends of the gap are bonded to the display module 200 through the second bonding member to seal the gap, so as to prevent the liquid penetrating into the gap from continuously penetrating into the terminal through the gap.

Of course, in other embodiments, the gap may be discontinuous and include a plurality of gap segments, at least some of which have the second adhesive therein.

In some embodiments of this application, the bonding strength of second bonding piece is less than the bonding strength of first bonding piece 400, so set up and can satisfy the waterproof performance who improves terminal equipment in, still reduce the dismantlement degree of difficulty between display module assembly 200 and the center 100, the maintenance operation etc. in the terminal equipment later stage of being convenient for

In some embodiments of the present disclosure, the display module 200 is a curved display module 200 or a flat display module 200. When the display module 200 is the curved surface display module 200, at least one side of the display module 200 is curved, so that the user experience of the terminal equipment can be increased.

It will be understood that any reference to the above orientation or positional relationship as indicated by the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., is intended to be based on the orientation or positional relationship shown in the drawings and is for convenience in describing and simplifying the invention, and does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered as limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A terminal device, comprising:

a middle frame having a first bonding area and a second bonding area, the second bonding area being located inside the first bonding area;

the display module assembly, the display module assembly set up in the center, the display module assembly with bond through first bonding piece between the first bonding region, the display module assembly with bond through the second bonding piece between the second bonding region, wherein the second bonding piece includes first bonding portion, first bonding portion is in by being located the some department of gluing in second bonding region the display module assembly with the center is extruded the postcure and is formed during the assembly.

2. A terminal device according to claim 1, characterised in that the first adhesive area and the second adhesive area are arranged separately.

3. The terminal device of claim 1, wherein the first adhesive member and the second adhesive member are connected.

4. The terminal device according to claim 1, wherein the second adhesive region is recessed with a first adhesive storage groove, the first adhesive storage groove is of a sectional structure and comprises more than two adhesive groove sections arranged at intervals, and a circumferential side wall of each adhesive groove section is of a closed structure.

5. The terminal device according to any one of claims 1 to 4, wherein the middle frame is provided with a glue injection hole penetrating in the thickness direction, and one end of the glue injection hole is located in the second bonding area;

6. The terminal device of claim 5, further comprising a plug body that cooperates with the glue injection hole to plug the glue injection hole after glue injection through the glue injection hole is completed.

7. The terminal device according to claim 1, wherein the middle frame further has a third bonding area, the display module comprises a display screen, the back surface of the display screen is bonded to the third bonding area through a third bonding member, and the second bonding area is a non-closed structure arranged around the third bonding area.

8. The terminal device according to claim 7, wherein the second bonding area is a continuous structure, and both ends of the second bonding area are bonded to the display module through the second bonding member.

9. The terminal device of claim 1, wherein the second adhesive has a lower adhesive strength than the first adhesive.

10. The terminal device according to claim 1, wherein the display module is a curved display device.