WO2022247291A1 - Ensemble boîtier et terminal mobile - Google Patents

Ensemble boîtier et terminal mobile Download PDF

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Publication number
WO2022247291A1
WO2022247291A1 PCT/CN2022/070135 CN2022070135W WO2022247291A1 WO 2022247291 A1 WO2022247291 A1 WO 2022247291A1 CN 2022070135 W CN2022070135 W CN 2022070135W WO 2022247291 A1 WO2022247291 A1 WO 2022247291A1
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WO
WIPO (PCT)
Prior art keywords
housing
cover plate
gap
glue
housing assembly
Prior art date
Application number
PCT/CN2022/070135
Other languages
English (en)
Chinese (zh)
Inventor
钱再军
Original Assignee
华为技术有限公司
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Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2022247291A1 publication Critical patent/WO2022247291A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment

Definitions

  • the present application relates to the technical field of communications, and in particular to a housing assembly and a mobile terminal.
  • Embodiments of the present application provide a housing assembly and a mobile terminal, which can effectively improve bonding reliability and waterproof capability while achieving a narrow frame.
  • the embodiment of the present application provides a housing assembly, including a housing, the housing is provided with a bearing surface and a limiting surface, and the limiting surface is connected to one of the bearing surfaces at a preset angle. side; a cover plate, the cover plate includes a top surface and a bottom surface arranged oppositely and a side surface connected around the top surface and the bottom surface, wherein the cover plate is installed on the housing, and the The bottom surface of the cover plate is spaced from the bearing surface to form a first gap, the side surface of the cover plate is spaced from the limiting surface to form a second gap, and the first gap and the second gap are formed.
  • the gaps are connected; and glue, the glue is filled in the first gap and the second gap and exposed from the second gap.
  • the length of the colloid bonding surface can be significantly lengthened, which can effectively increase the bonding length between the cover plate and the shell, so that the shell assembly can withstand the drum test and drop test It has sufficient reliability, thereby effectively improving the reliability and firmness of bonding.
  • the housing assembly can be provided with a narrower bearing surface, that is, the bonded frame can be further narrowed further, thereby further strengthening the housing. Narrow border visual effect for body components.
  • the water inlet path can be greatly extended, thereby effectively improving the waterproof performance of the housing assembly.
  • the housing includes a first housing and a second housing, the second housing includes a first surface and a second surface, the first surface is opposite to the second surface
  • the second housing is arranged on the first housing through the second surface, the bearing surface and the limiting surface are arranged on the first surface, and the limiting surface and the limiting surface are arranged on the first surface.
  • the bearing surface forms an L-shaped structure.
  • a glue overflow groove is also provided on the first surface, and the glue overflow groove extends from a position of the bearing surface adjacent to the limiting surface to a position far away from the bottom surface of the cover plate. Recessed in a direction, the overflow groove is disposed between the first slit and the second slit, and communicates with the first slit and the second slit.
  • the glue overflow groove by designing the glue overflow groove, the length of the glue bonding surface can also be significantly lengthened, and the water inlet path can be greatly extended, thereby effectively improving the waterproof performance of the shell assembly.
  • the height of the position where the glue overflow groove is not provided on the bearing surface is higher than the height of the bottom wall of the glue overflow groove, so that a boss is formed on the bearing surface, and the boss The height of the table is smaller than the height of the top of the second casing where the second slit is disposed.
  • the first housing is provided with a mounting groove, and the second surface of the second housing is bonded into the mounting groove by adhesive.
  • the second housing is glued into the mounting groove of the first housing by back glue, so as to be connected to the first housing.
  • the second surface of the first casing may also be connected to the first casing in other ways, which are not specifically limited herein.
  • the first casing is made of metal material
  • the second casing is made of plastic material.
  • the application of the shell assembly is relatively wide, for example, it can be applied to the first shell made of metal material and the second shell made of plastic material, both of which can be simulated by injection molding, thereby greatly simplifying the process Complexity, which can significantly reduce product cost.
  • the housing includes a first housing, the bearing surface and the limiting surface are both arranged on the first housing, and the limiting surface and the bearing surface form an L-shaped structure.
  • the length of the colloid bonding surface can be significantly lengthened, and the water inlet path can be greatly extended, thereby effectively improving the waterproof performance of the housing assembly.
  • the thickness of the glue filled in the first gap is a first thickness; or the thickness of the glue filled in the first gap is a second thickness; wherein, the second thickness greater than the first thickness.
  • the housing assembly can be used in different types of products, and all of them can achieve the visual effect of a narrow frame and have better waterproof performance.
  • the housing includes a first housing and a second housing
  • the second housing includes a first surface and a second surface
  • the first surface is opposite to the second surface Setting
  • the second shell is set on the first shell through the second surface
  • the bearing surface is set on the first shell
  • the limiting surface is set on the first surface
  • the height of the bearing surface is smaller than the height of the second surface
  • the bearing surface and the limiting surface form an L-shaped structure.
  • the cover plate is a glass cover plate, and the bottom surface of the cover plate is connected to the display module.
  • the housing assembly of this design can realize extremely narrow frame, high bonding reliability and extraordinarily appearance.
  • the display module is a 2.5D screen or a 3D screen.
  • the housing assembly can be used in different types of products, and all of them can achieve the visual effect of a narrow frame and have better waterproof performance.
  • the cover plate is a battery cover.
  • the housing assembly can be used in different types of products, and all of them can achieve the visual effect of a narrow frame and have better waterproof performance.
  • the embodiment of the present application provides a mobile terminal, including a display module, the above-mentioned first aspect and any possible design of the casing assembly involved in the first aspect, the display module is installed on the casing and attached fit the bottom surface.
  • the mobile terminal further includes a battery cover, and the battery cover constitutes the cover plate.
  • the display module is a 2.5D screen or a 3D screen.
  • Figure 1a, Figure 1b, and Figure 1c are schematic diagrams of traditional 2.5D screen bonding solutions
  • FIG. 1 Figure 2a, Figure 2b, and Figure 2c are schematic diagrams of another traditional 2.5D screen bonding solution
  • Figure 3a, Figure 3b, Figure 3c and Figure 3d are schematic diagrams of two traditional 3D screen bonding solutions
  • Fig. 4 is a schematic diagram of the housing assembly provided by the first embodiment of the present application.
  • Fig. 5 is a schematic diagram of assembly of the housing assembly shown in Fig. 4;
  • Fig. 6 is a schematic diagram of the bonding length between the cover plate and the second casing in the casing assembly shown in Fig. 4;
  • Fig. 7 is a schematic diagram of the waterproof path of the housing assembly shown in Fig. 4;
  • FIG. 8 is a schematic diagram of a housing assembly provided by a second embodiment of the present application.
  • Fig. 9 is a schematic diagram of assembly of the housing assembly shown in Fig. 8.
  • Fig. 10a and Fig. 10b are schematic diagrams of the housing assembly provided by the third embodiment of the present application.
  • Fig. 11 is a schematic diagram of assembly of the housing assembly shown in Fig. 10b;
  • FIGS. 12a and 12b are schematic diagrams of the housing assembly provided by the fourth embodiment of the present application.
  • Fig. 13 is a schematic diagram of assembly of the housing assembly shown in Fig. 12b;
  • FIG. 14a and 14b are schematic diagrams of the housing assembly provided by the fifth embodiment of the present application.
  • Fig. 15 is a schematic diagram of assembly of the housing assembly shown in Fig. 14b.
  • references to "one embodiment” or “some embodiments” or the like in this specification means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application.
  • appearances of the phrases “in one embodiment,” “in some embodiments,” “in other embodiments,” “in other embodiments,” etc. in various places in this specification are not necessarily All refer to the same embodiment, but mean “one or more but not all embodiments” unless specifically stated otherwise.
  • the terms “including”, “comprising”, “having” and variations thereof mean “including but not limited to”, unless specifically stated otherwise.
  • this solution is a conventional circumferential glue dispensing solution, that is, using glue 200 to connect the cover plate 300 and the first casing 400 (see FIG. 1 a ), or using glue 200 to connect the cover plate 300 and the second casing 500 (see FIG. Figure 2a).
  • the second housing 500 is also connected with the first housing 400 through adhesive.
  • this kind of solution will make the effective bonding length or width of the casing (for example, the first casing 400 or the second casing 500) and the cover plate 300 smaller (refer to the length L1 and the width W1 in Fig. 1b and Fig.
  • this solution will generate multiple water inlet paths, such as the water inlet path P1 (see Figure 1c and Figure 2c ) entering along the side of the casing (such as the first casing 400 or the second casing 500), along the cover plate
  • the water inlet path P2 entering from the 300 side (see Fig. 1c and Fig. 2c), and the water inlet path P3 entering along the colloid 200 side (see Fig. 1c and Fig. 2c) lead to a more prominent problem of waterproof and liquid ingress.
  • Fig. 3a to Fig. 3d are two traditional 3D screen bonding solutions.
  • the adhesive on the underside of the screen is usually used between the cover plate 300 and the first housing 400 in this solution, and the tail is conventionally dispensed and glued and glued (see Figure 3a and Figure 3b ) or the circumferential sealant is used.
  • screen bottom adhesive solution see Figure 3c and Figure 3d.
  • these two solutions may cause the problem of yellowing of the acid and alkali resistance test screen (see FIG. 3a and FIG. 3b ), that is, the appearance must be sacrificed.
  • the width of the colloid may be longer (refer to Figure 3c and Figure 3d, 0.9mm shown in the figure), that is, from a visual point of view, the product will have problems such as wider black borders.
  • the embodiment of the present application provides a housing assembly, which can effectively improve bonding reliability and has better waterproof capability.
  • the first embodiment of the present application provides a housing assembly 100 .
  • the housing assembly 100 includes a cover 10 , a housing 30 and adhesive 50 .
  • the cover plate 10 is a protective panel of the display module 600 .
  • the cover plate 10 can be a transparent hard plate, which is used to protect the internal parts of the mobile terminal (such as the display module 600 ), and can achieve good light transmission.
  • the cover plate 10 is a glass cover plate, which is applicable to the display module 600 of a 2.5D screen.
  • the cover 10 includes a top surface 11 , a bottom surface 12 and a side surface 13 . Wherein, the top surface 11 is opposite to the bottom surface 12 . The side surface 13 surrounds and connects the top surface 11 and the bottom surface 12 .
  • a display module 600 is disposed on one side of the bottom surface 12 .
  • the housing 30 includes a first housing 31 and a second housing 32 .
  • the first housing 31 may be the middle frame of the mobile terminal, which is made of metal material.
  • the second housing 32 can be the frame of the mobile terminal, which can be made of plastic material.
  • the second casing 32 is disposed on the first casing 31 and can be formed with the first casing 31 through in-mold injection molding.
  • the first housing 31 includes a mounting slot 310 .
  • the second housing 32 at least includes a first surface 321 and a second surface 322 .
  • the first surface 321 is opposite to the second surface 322 .
  • the second surface 322 is connected to the first housing 31 such that the second housing 32 is mounted on the first housing 31 .
  • the second surface 322 can be glued into the installation groove 310 of the first casing 31 through the adhesive 60 to be connected to the first casing 31 .
  • the second surface 322 of the first shell 31 can also be connected to the first shell 31 in other ways, which are not specifically limited here.
  • the first surface 321 is provided with a bearing surface 323 and a limiting surface 324 .
  • the supporting surface 323 substantially extends along a direction parallel to the cover plate 10 , and is spaced from the bottom surface 12 of the cover plate 10 , thereby forming a first gap 325 therebetween.
  • the limiting surface 324 is vertically or substantially vertically connected to one end of the bearing surface 323 , and is spaced apart from the side surface 13 of the cover plate 10 , thereby forming a corresponding second gap 326 therebetween.
  • the second slit 326 communicates with the first slit 325 .
  • the first slit 325 and the second slit 326 form a substantially L-shaped structure.
  • the first surface 321 of the second housing 32 is further provided with a glue overflow groove 327 .
  • the glue overflow groove 327 is roughly rectangular.
  • the glue overflow groove 327 is formed by a position where the carrying surface 323 is adjacent to the limiting surface 324 and is recessed in a direction away from the bottom surface 12 of the cover plate 10 .
  • the glue overflow groove 327 is disposed between the first slit 325 and the second slit 326 and communicates with each other.
  • the height of the bearing surface 323 without the glue overflow groove 327 is higher than the height of the bottom wall of the glue overflow groove 327 , thereby forming a boss 328 on the bearing surface 323 .
  • the boss 328 is used for contacting the bottom surface 12 of the cover plate 10 through the glue 50 to prevent the glue 50 from overflowing away from the limiting surface 324 . It can be understood that the height of the boss 328 is smaller than the height of the top position of the second housing 32 where the second slot 326 is disposed.
  • the glue 50 includes a first part 51 , a connecting part 52 and a second part 53 .
  • the first portion 51 is formed in the first gap 325 between the bearing surface 323 and the bottom surface 12 on the boss 328 .
  • the bearing surface 323 of the second housing 32 is bonded to the bottom surface 12 of the cover plate 10 through the first portion 51 .
  • the connecting portion 52 is disposed in the glue overflow groove 327 , so that another part of the second housing 32 is bonded to the bottom surface 12 of the cover plate 10 through the connecting portion 52 .
  • the second portion 53 is disposed in the second gap 326 between the limiting surface 324 and the side surface 13 , so that the limiting surface 324 of the second housing 32 is bonded to the side surface 13 of the cover plate 10 through the second portion 53 .
  • the glue 40 can be dripped onto the supporting surface 323 corresponding to the boss 328 by hand or a glue dispenser (refer to FIG. 5( a )). Then, the cover plate 10 can be placed on the second housing 32 by a manipulator, so that the bottom surface 12 of the cover plate 10 is against the boss 328, and at the same time, the colloid 40 on the boss 328 is squeezed to form the first part 51, so that the second The second casing 32 is bonded to the bottom surface 12 of the cover plate 10 through the first portion 51 .
  • part of the glue 40 will flow to the glue overflow groove 327 to form the connecting portion 52, and gradually flow into and overflow from the second gap 326 between the limiting surface 324 of the second housing 32 and the side surface 13 of the cover plate 10 , to form the second portion 53 , and use the second portion 53 to bond the limiting surface 324 of the second housing 32 and the side surface 13 of the cover plate 10 (see FIG. 5( b )). That is to say, in this embodiment, the glue 40 becomes the glue 50 including the first part 51 , the connecting part 52 and the second part 53 after extrusion.
  • the glue 40 in the second gap 326 between the limit surface 324 of the second housing 32 and the side surface 13 of the cover plate 10 can be wiped off by using a glue wiper (such as a six-axis glue wiper) to obtain The housing assembly 100 (see FIG. 4 and FIG. 5(c)).
  • a glue wiper such as a six-axis glue wiper
  • the housing assembly 100 may also be kept under pressure by using a pressing device.
  • the glue (such as glue 50 ) overflows the second gap between the limiting surface 324 of the second housing 32 and the side surface 13 of the cover plate 10 by dispensing glue. 326 , to fill the second gap 326 with glue, and wipe off the glue overflowing from the outer surface of the shell assembly 100 .
  • the housing assembly 100 in this embodiment can also achieve the narrow frame effect.
  • the housing assembly 100 realizes the narrow frame, the distance a between the horizontal display module 600 and the boss 328 , the width b of the horizontal boss 328 , the horizontal cover plate 10 and the second housing 32 do not change.
  • the width c of the gap i.e. the second slit 326
  • by making the viscose 50 flow into the overflow groove 327 and the second slit 326, and overflow from the second slit 326, that is to say, increase its longitudinal filling height d The length of the colloid bonding surface can be significantly lengthened (refer to FIG.
  • the bonding length with the cover plate 10 is L2, and the bonding length with the second housing 32 is L3), that is, the cover plate 10 and the second shell 32 can be effectively increased.
  • the bonding length between the shells 32 makes the shell assembly 100 have sufficient reliability in the drum test and the drop test, thereby effectively improving the reliability and firmness of the bonding.
  • the housing assembly 100 can be provided with a narrow bearing surface 323, that is, the bonded frame (that is, the second housing 32 ) can be further significantly narrowed, thereby further improving the visual effect of the narrow frame of the housing assembly 100 .
  • the water inlet path (the two water inlet paths are respectively P4 and P5 as shown in the figure) can be greatly extended, thereby effectively improving the waterproof performance of the housing assembly 100 .
  • the glue on the boss 328 (such as the first part 51 ) and the glue in the overflow groove 327 (such as the connecting portion 52 ) connect the bottom surface 12 of the cover plate 10 with the first part of the second housing 32 .
  • the surface 321 is pasted and fixed. While the colloid (such as the first part 51) on the boss 328 is being extruded, the boss 328 and the cover plate 10 can effectively prevent the colloid from overflowing in a direction away from the limit surface 324, but make the colloid enter the overflow groove 327 . In this way, the glue can be prevented from overflowing between the second housing 32 and the cover plate 10 , and the assembly structure inside the mobile terminal caused by overflowing glue can be avoided, so that the mobile terminal has better performance and user experience.
  • FIG. 8 shows a housing assembly 100a provided in the second embodiment of the present application.
  • the housing assembly 100a is similar in structure to the housing assembly 100 in the first embodiment, that is, both include a cover plate 10, a housing 30a and adhesive 50a.
  • the shape, structure, material and other parameters of the cover plate 10 in the shell assembly 100 a are the same or similar to those of the cover plate 10 in the shell assembly 100 , and will not be repeated here.
  • the difference between the housing assembly 100a and the housing assembly 100 is that the housing 30a in the housing assembly 100a only includes the first housing 31a and does not include the second housing 32, that is, the second housing 31a is omitted. Two casings 32 .
  • the first housing 31a is directly connected to the cover plate 10 through glue 50a.
  • the first housing 31 a includes a bearing surface 311 and a limiting surface 312 .
  • the carrying surface 311 is substantially a horizontal plane, which is substantially parallel to and spaced apart from the bottom surface 12 of the cover plate 10 .
  • the limiting surface 312 is substantially a vertical surface, which is vertically or substantially vertically connected to the carrying surface 311 .
  • the limiting surface 312 is not limited to being vertically or substantially vertically connected to the carrying surface 311 , and it may also be in other connection relationships, which are not specifically limited here.
  • the limiting surface 312 can also be an inclined surface with an inclined angle, which is connected with the carrying surface 311 at a certain angle or arc.
  • the glue 50a is roughly L-shaped, which includes a first portion 51a disposed between the bearing surface 311 and the bottom surface 12 and a second portion 53a disposed between the limiting surface 312 and the side surface 13, That is, the glue 50a does not include the connecting portion 52 as shown in the first embodiment.
  • the thickness of the first part 51a (that is, the glue 50a filled in the first gap 325) is the same as that of the first part 51 (that is, the first gap 325) in the first embodiment.
  • the thickness of the glue 50) filled in the gap 325 is comparable.
  • the length or height of the second portion 53 a (ie, the glue 50 a filled in the second gap 326 ) is equivalent to the length or height of the second portion 53 (ie, the glue 50 filled in the second gap 326 ) in the first embodiment.
  • the glue 40 can be dripped onto the bearing surface 311 manually or by a glue dispenser first (see FIG. 9(a)) , and then the cover plate 10 can be placed on the first shell 31a by using a manipulator, so that the bottom surface 12 of the cover plate 10 is held against the bearing surface 311 through the glue, and at the same time, the glue 40 on the bearing surface 311 is squeezed to fill the first shell
  • the first gap 313 between the supporting surface 311 of the body 31 and the bottom surface 12 of the cover plate 10 forms the first portion 51a.
  • part of the glue 40 will gradually overflow from the second gap 314 between the limiting surface 312 of the first housing 31a and the side surface 13 of the cover plate 10 to form the second part 53a, and be bonded by the second part 53a
  • the limiting surface 312 of the first housing 31 a is connected to the side surface 13 of the cover plate 10 (refer to FIG. 9( b )).
  • a glue wiper (such as a six-axis glue wiper) can be used to wipe off the glue overflowing between the limit surface 312 of the first housing 31a and the side surface 13 of the cover plate 10, so as to obtain the housing assembly 100a (see FIG. 8 and Figure 9(c)).
  • the shell assembly 100a may be left still under pressure by using a pressing device.
  • glue such as glue 50a
  • glue 50a overflows the second gap 314 between the limiting surface 312 of the first housing 31a and the side surface 13 of the cover plate 10 by dispensing glue. , so as to fill the second gap 314 with glue, and wipe off the glue overflowing from the appearance surface of the housing assembly 100a.
  • the housing assembly 100a in this embodiment can also achieve the narrow frame effect.
  • the housing assembly 100a realizes a narrow frame
  • the distance a1 between the display module 600 in the horizontal direction and the bearing surface 311, the width b1 of the bearing surface 311 in the horizontal direction, the horizontal cover plate 10 and the first housing 31a are not changed.
  • the width c1 of the gap i.e.
  • the glue 50a flow into the second slit 314 and overflow from the second slit 314, that is, to increase its longitudinal filling height d1
  • the glue can be bonded
  • the length of the surface is significantly lengthened, which can effectively increase the bonding length between the cover plate 10 and the first shell 31a, so that the shell assembly 100a has sufficient reliability in the drum test and drop test, thereby effectively improving the adhesion. Reliability and robustness.
  • the shell assembly 100a can be provided with a narrow bearing surface 311, that is, a bonded frame (that is, the first shell 31a ) can be further significantly narrowed, thereby further improving the visual effect of the narrow frame of the housing assembly 100a.
  • the glue 50 a fills the first gap 313 and the second gap 314 between the first casing 31 a and the cover plate 10 .
  • the cover plate 10 and the first housing 31a can be adhered in multiple directions, and the side surface 13 of the cover plate 10 and the limiting surface 312 of the first housing 31a are hard-soft-hard connections. Therefore, when the mobile terminal is bumped or squeezed, the glue 50a can play a buffering role, thereby reducing the risk of the cover plate 10 being broken.
  • FIG. 10a and FIG. 10b are the housing assembly 100b provided by the third embodiment of the present application.
  • the casing assembly 100b is similar in structure to the casing assembly 100 in the first embodiment, that is, both include the cover plate 10, the casing 30b and the glue 50b.
  • the casing 30b includes a first casing 31 and a second casing 32b.
  • the shape, structure, material and other parameters of the cover plate 10 in the housing assembly 100 b are the same or similar to those of the cover plate 10 in the housing assembly 100 , and will not be repeated here.
  • the shape, structure, material and other parameters of the first shell 31 in the shell 30b are the same or similar to those of the first shell 31 in the shell assembly 100, and will not be repeated here.
  • the difference between the housing assembly 100b and the housing assembly 100 is that the height of the first gap 325b in the housing assembly 100b along a predetermined direction (for example, along the direction perpendicular to the cover plate 10 ) is the same as the first gap 325b.
  • the heights of the first slits 325 are different in the embodiments.
  • the first gap 325b is provided between the bearing surface 311 of the first housing 31 and the bottom surface 12, that is, the first gap 325b is located from the bearing surface 323 of the second housing 32b to the first housing 31.
  • the direction extends, and then penetrates to the bearing surface 311 of the first housing 31 .
  • one side of the first gap 325 b communicates with the display module 600
  • the other side communicates with the second gap 326 between the limiting surface 324 of the second housing 32 a and the side surface 13 of the cover plate 10 .
  • the height of the first slit 325b is greater than the height of the first slit 325 in the first embodiment, so that the first part filled in the first slit 325b
  • the thickness of 51b is larger than that of the first portion 51 in the first embodiment.
  • the glue 40 can be dripped into the first gap 325b manually or by a glue dispenser (see FIG. 11(a)), and then the manipulator can be used.
  • the cover plate 10 is placed on the second housing 32b, so that the bottom surface 12 of the cover plate 10 abuts against the supporting surface 311 of the first housing 31 through the glue in the first gap 325b, thereby forming the first portion 51b.
  • the cover plate 10 squeezes the colloid in the first gap 325b.
  • the glue in the first gap 325b will bond the display module 600 , and some glue will gradually flow into and overflow from the second gap 326 between the limiting surface 324 of the second housing 32b and the side surface 13 of the cover plate 10 , to form the second portion 53b, and bond the limiting surface 324 of the second housing 32b and the side surface 13 of the cover plate 10 through the second portion 53b (see FIG. 11( b )).
  • the glue that overflows between the limit surface 324 of the second housing 32b and the side surface 13 of the cover plate 10 can be wiped off by using a glue wiper (such as a six-axis glue wiper) to obtain the shell assembly 100b (see FIG. 10b and Fig. 11(c)).
  • the housing assembly 100b may be left still under pressure by using a pressing device.
  • the glue 50b is a specific glue that will overflow the housing assembly
  • the glue on the exterior surface of the 100b is erased.
  • the casing assembly 100b does not provide a boss, that is, the width of the lateral boss is reduced to zero (that is, the glue in the first gap 325b is directly connected to the display module 600 ), and the narrow frame effect can also be effectively realized.
  • the shell assembly 100b in this embodiment can also effectively increase the longitudinal filling height d2 of the glue 50a, so that the shell assembly 100b can significantly lengthen the length of the glue bonding surface while achieving the narrow frame effect, which can effectively increase
  • the bonding length between the cover plate 10 and the first casing 31 or the second casing 32b makes the casing assembly 100b have sufficient reliability in the drum test and the drop test, thereby effectively improving the reliability and firmness of the bonding sex.
  • a narrow bearing surface 323 can be set, that is, the bonding frame (that is, the second frame).
  • the housing 32b) can be further substantially narrowed, so as to further improve the visual effect of the narrow frame of the housing assembly 100b.
  • the first gap 325b when the first gap 325b is filled with the corresponding glue 50b, it can effectively increase the bonding area with the display module 600 under the cover plate 10, thereby effectively improving the reliability of bonding. and firmness.
  • targeted glue can be used to fill the gap between the cover plate 10 and the second housing 32b, that is, the glue 50b is a specific glue.
  • the glue 50b is a hot-melt glue, so that fast bonding can be performed and tightness of bonding can be achieved.
  • the overflowing glue and the outer layer of glue (that is, the exposed glue) can be hardened by curing and other methods, and the inner layer of glue can be formed into soft glue by moisture curing and other methods. Even if the hardness of the glue of the outer layer is greater than the hardness of the glue of the inner layer, the cover plate 10 and the display module 600 under the cover plate 10 will not be damaged.
  • the bottom of the cover plate 10 (that is, the bonding between the first shell 31 and the second shell 32b) is mainly based on the back glue, and the peripheral glue plays an auxiliary role.
  • the peripheral glue plays an auxiliary role.
  • anti-corrosion it mainly relies on the peripheral glue, which not only ensures the reliability of the bonding, but also prevents corrosion from ingress of liquid, and can also achieve step-free bonding, achieving the ultimate frame and vibrant appearance.
  • FIG. 12a and FIG. 12b shows the housing assembly 100c provided by the fourth embodiment of the present application.
  • the casing assembly 100c is similar in structure to the casing assembly 100b in the third embodiment, that is, both include a cover plate 10, a casing 30c and an adhesive 50c.
  • the casing 30c includes a first casing 31c.
  • the shape, structure, material and other parameters of the cover plate 10 in the housing assembly 100c are the same or similar to the shape, structure, material and other parameters of the cover plate 10 in the housing assembly 100b, and will not be repeated here.
  • the difference between the housing assembly 100c and the housing assembly 100b is that the housing 30c in the housing assembly 100c does not include the second housing 32b, that is, the second housing 32b is omitted.
  • the first shell 31c is directly connected to the cover plate 10 through glue 50c.
  • a first gap 313c is disposed on the first shell 31c.
  • One side of the first gap 313 c is connected to the display module 600 , and the other side communicates with the second gap 314 between the limiting surface 312 of the first housing 31 c and the side surface 13 of the cover plate 10 .
  • the height of the first slit 313c is equivalent to the height of the first slit 325b in the third embodiment, that is, the thickness of the glue 50c filled in the first slit 313c is the same as that in the third embodiment.
  • the glue 50b in the first gap 325 has a similar thickness.
  • the glue 40 can be dripped into the first gap 313c manually or by a glue dispenser (refer to FIG. 13(a)), and then the cover plate 10 can be removed Placed on the first casing 31c, the bottom surface 12 of the cover plate 10 is abutted against the supporting surface 311 of the first casing 31c through the colloid in the first gap 313c. At the same time, the cover plate 10 squeezes the colloid in the first gap 313c.
  • a glue wiper (such as a six-axis glue wiper) can be used to wipe off the glue overflowing between the limiting surface 312 of the first housing 31c and the side surface 13 of the cover plate 10, so as to obtain the housing assembly 100c (see FIG. 12b and Fig. 13(c)).
  • the housing assembly 100c may also be kept under pressure by using a pressing device. It can be understood that, in the fourth embodiment, the beneficial effect of the housing assembly 100c is similar to that of the housing assembly 100b in the third embodiment, and details are not repeated here.
  • FIG. 14a and FIG. 14b shows the housing assembly 100d provided by the fifth embodiment of the present application.
  • the casing assembly 100d includes a cover plate 10d, a casing 30d and an adhesive 50d.
  • the cover plate 10d is a protective panel of the display module 600a.
  • the cover plate 10d can be a transparent hard plate, which is used to protect the internal parts of the mobile terminal (such as the display module 600a ), and can achieve good light transmission.
  • the cover plate 10d is a glass cover plate, which is applicable to the display module 600a of the 3D screen.
  • the cover plate 10d includes a top surface 11d, a bottom surface 12d and a side surface 13d. Wherein, the top surface 11d is opposite to the bottom surface 12d.
  • the side surface 13d surrounds and connects the top surface 11d and the bottom surface 12d.
  • a display module 600a is disposed on one side of the bottom surface 12d.
  • the type of the cover plate 10d is not limited.
  • the cover plate 10d may also be a battery cover.
  • the casing 30d includes a first casing 31d.
  • the first housing 31d may be a middle frame, which is made of metal material.
  • the first housing 31d at least includes a bearing surface 311d and a limiting surface 312d.
  • the limiting surface 312d may be a side surface of the first housing 31d, which is connected to the carrying surface 311d with a certain arc.
  • the carrying surface 311d may be the bottom surface of the first housing 31d.
  • One side of the back glue 60d is also spaced apart from the limiting surface 312d, and forms a first gap 313d together with the limiting surface 312d and the bearing surface 311d.
  • the cover plate 10d is installed on the first housing 31d, the side surface 13d of the cover plate 10d and the side surface of the display module 600a are spaced from the limiting surface 312d to form a second gap 314d together with the limiting surface 312d.
  • the second slit 314d communicates with the first slit 313d and is approximately L-shaped.
  • the glue 40 can be dripped into the first gap 313d manually or by a glue dispenser (see FIG. 15(a)), and then the manipulator can be used to
  • the cover plate 10d is placed on the first housing 31d, so that the display module 600a on the bottom surface 12d of the cover plate 10d is bonded to the first housing 31d through the adhesive 60d.
  • the side surface 13d of the cover plate 10d and the side surface of the display module 600 squeeze the colloid 40 in the first gap 313d to fill the first gap 313d and form the first part 51d, and then bond the bottom of the display module 600a to the bottom of the display module 600a through the first part 51d.
  • the first case 31d part of the glue 40 will flow into the second gap 314d to form the second part 53d, and through the second part 53d, the side of the display module 600a and the peripheral wall of the first housing 31d (such as the limiting surface 312d) will pass through. Colloid 40 bonding. Furthermore, part of the colloid 40 gradually overflows from the second gap 314d between the limiting surface 312d of the first housing 31d and the side surface 13d of the cover plate 10, bonding the limiting surface 312d of the first housing 31d to the cover. The side surface 13d of the plate 10d (see FIG. 15(b)).
  • the glue overflowing between the limit surface 312d of the first housing 31d and the side surface 13d of the cover plate 10d can be wiped off with a glue wiper to obtain the housing assembly 100d (see FIG. 15( c )).
  • alcohol can be used to wipe the glue, or the pressing device can be used directly to keep the housing assembly 100d under pressure.
  • the gap between the cover plate 10d and the first casing 31d is filled with targeted glue, that is, the glue 50d is a specific glue, and the glue overflowing the exterior surface is wiped off.
  • the housing assembly 100d can reduce the distance from the horizontal display module 600d to the bearing surface 311d to zero (that is, the glue in the first gap 313d is directly connected to the display module 600d ), that is, the narrow border effect can also be effectively realized.
  • the shell assembly 100d in this embodiment can also effectively increase the longitudinal filling height of the adhesive 50d, so that the shell assembly 100d can significantly lengthen the length of the glue bonding surface while achieving the narrow frame effect, which can effectively increase the cover.
  • the bonding length between the plate 10d and the first shell 31d makes the shell assembly 100d have sufficient reliability in the drum test and the drop test, thereby effectively improving the reliability and firmness of the bonding.
  • the bonded frame (for example, the first casing 31d ) ) can be further significantly narrowed, thereby further improving the visual effect of the narrow frame of the housing assembly 100d.
  • the glue 50d can effectively increase the bonding area between it and the display module 600a under the cover plate 10d, thereby effectively improving the reliability and firmness of the bonding.
  • targeted glue can be used to fill the gap between the cover plate 10d and the first housing 31d, that is, the glue 50d is a specific glue.
  • the outer layer of glue that is, the exposed glue
  • the inner layer of glue can be formed into soft glue by moisture curing and other methods.
  • the cover plate 10d and the display module 600a under the cover plate 10d will not be damaged.
  • the bottom of the cover plate 10d is dominated by back glue, and the peripheral glue plays an auxiliary role.
  • anti-corrosion it mainly relies on the peripheral glue, which not only ensures the reliability of the bonding, but also prevents corrosion from ingress of liquid, and can also achieve step-free bonding, achieving the ultimate frame and vibrant appearance.
  • the above housing assembly 100/100a/100b/100c/100d has at least the following beneficial effects:
  • High bonding reliability that is, to solve the contradiction between bonding reliability and ultra-narrow bezel competitiveness in conventional bonding scenarios, and realize high-reliability bonding under ultra-narrow bezel bonding.
  • the waterproof ability is improved, that is, the glue waterproof path of the ultra-narrow frame is short, and the risk of waterproof corrosion is high.
  • the solution in the embodiment of this application can effectively solve the contradiction between waterproof and ultra-narrow frame competitiveness, and greatly reduce the corrosion of liquid risks of.
  • the cost is greatly reduced, that is, the solution in the embodiment of the present application greatly simplifies the complexity of the process, and compared with the solution of bonding and external caulking, the product cost can be greatly reduced.
  • the embodiment of the present application also provides a mobile terminal.
  • the mobile terminal includes a casing component and a display module.
  • the display module is arranged on the bottom surface of the cover plate in the casing assembly.
  • the housing assembly may be the housing assembly 100/100a/100b/100c/100d described above.
  • the display module may be the above-mentioned display module 600/600a.
  • the mobile terminal may be a mobile phone, a tablet computer, a notebook computer, or a liquid crystal display.
  • the display module 600 is disposed on the bottom surface 12 of the cover plate 10 in the casing assembly 100/100a/100b/100c/100d.
  • the mobile terminal can ensure a narrow frame to achieve a large-screen display through the housing assembly, and has a better waterproof function to ensure the overall effect of the appearance.
  • the housing assembly 100/100a/100b/100c/ 100d please refer to the housing assembly 100/100a/100b/100c/ 100d, which will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Casings For Electric Apparatus (AREA)
  • Telephone Set Structure (AREA)

Abstract

La présente demande concerne un ensemble boîtier et un terminal mobile. L'ensemble boîtier comprend un boîtier, une plaque de recouvrement et un adhésif. Le boîtier est pourvu d'une surface d'appui et d'une surface de limitation, la surface de limitation étant reliée à un côté de la surface d'appui selon un angle prédéfini. La plaque de recouvrement comprend une surface supérieure et une surface inférieure opposées l'une à l'autre, et une surface latérale reliée entre la surface supérieure et la surface inférieure de manière environnante. La plaque de recouvrement est montée sur le boîtier, et une surface inférieure de la plaque de recouvrement est espacée de la surface de support, formant ainsi un premier espace. Une surface latérale de la plaque de couverture est espacée de la surface de limitation, formant ainsi un second espace, le premier espace étant en communication avec le second espace. L'adhésif est introduit dans le premier espace et le second espace, et est exposé à partir du second espace. Bien entendu, au moyen de l'ensemble boîtier de la présente invention, un effet visuel d'un cadre étroit peut être obtenu, la longueur de liaison entre la plaque de recouvrement et le boîtier peut être efficacement augmentée, et un trajet d'admission d'eau de l'ensemble boîtier peut également être considérablement prolongé, ce qui permet d'améliorer efficacement les performances d'étanchéité à l'eau de l'ensemble boîtier.
PCT/CN2022/070135 2021-05-28 2022-01-04 Ensemble boîtier et terminal mobile WO2022247291A1 (fr)

Applications Claiming Priority (2)

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CN202121189759.0 2021-05-28
CN202121189759.0U CN215529065U (zh) 2021-05-28 2021-05-28 壳体组件及移动终端

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CN116055593B (zh) * 2022-05-26 2023-10-20 荣耀终端有限公司 一种可折叠的电子设备
CN115097904A (zh) * 2022-07-25 2022-09-23 荣耀终端有限公司 一种电子设备
CN220154759U (zh) * 2022-10-20 2023-12-08 华为技术有限公司 一种电子设备

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CN107370855A (zh) * 2016-05-11 2017-11-21 华为终端（东莞）有限公司 壳体组件及移动终端
WO2018120418A1 (fr) * 2016-12-27 2018-07-05 华为技术有限公司 Structure de montage d'écran d'affichage, dispositif électronique et procédé de montage d'écran d'affichage
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US20200253064A1 (en) * 2019-02-01 2020-08-06 Samsung Electronics Co., Ltd. Housing and electronic device including the same
CN111770224A (zh) * 2020-07-31 2020-10-13 北京小米移动软件有限公司 显示设备
CN212727086U (zh) * 2020-08-03 2021-03-16 北京小米移动软件有限公司 终端

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JP2015141581A (ja) * 2014-01-29 2015-08-03 京セラ株式会社 電子機器用フロントモジュール及びこれを具える電子機器
CN107370855A (zh) * 2016-05-11 2017-11-21 华为终端（东莞）有限公司 壳体组件及移动终端
WO2018120418A1 (fr) * 2016-12-27 2018-07-05 华为技术有限公司 Structure de montage d'écran d'affichage, dispositif électronique et procédé de montage d'écran d'affichage
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CN212727086U (zh) * 2020-08-03 2021-03-16 北京小米移动软件有限公司 终端

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