CN211429688U

CN211429688U - Electronic device

Info

Publication number: CN211429688U
Application number: CN202020209917.3U
Authority: CN
Inventors: 唐际武
Original assignee: Realme Chongqing Mobile Communications Co Ltd
Current assignee: Realme Chongqing Mobile Communications Co Ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-09-04
Anticipated expiration: 2030-02-24

Abstract

The application provides an electronic device, which comprises a shell, a metal piece, a key circuit board assembly, a mainboard and a key assembly. The shell is provided with a side wall, the side wall of the shell comprises a first surface and a second surface which are arranged in a reverse manner and a side surface for connecting the first surface and the second surface, the first surface is provided with an installation hole, the side surface is provided with an installation groove, and the installation hole is communicated with the installation groove; the metal piece is embedded in the side wall and comprises a first end and a second end which are arranged in a reverse manner, the first end is exposed in the mounting groove, and the second end is exposed on the second surface; the key circuit board assembly is arranged in the mounting groove; the main board is arranged on one side of the side wall close to the second surface and can be electrically connected with the key circuit board assembly through a metal piece; the key assembly penetrates through the mounting hole and abuts against the key circuit board assembly. The electronic equipment that this application provided possesses better waterproof ability.

Description

Electronic device

Technical Field

The application relates to the technical field of product structures, in particular to an electronic device.

Background

The waterproof problem of electronic equipment has been paid attention to, and functional keys of electronic equipment, such as a power key and a volume key, are often weak links of waterproofing. Therefore, how to improve the waterproof capability of the electronic device key becomes a hot research problem in the industry.

Disclosure of Invention

The application provides an electronic device, which comprises a shell, a metal piece, a key circuit board assembly, a mainboard and a key assembly. The shell is provided with a side wall, the side wall of the shell comprises a first surface, a second surface and a side surface, the first surface and the second surface are arranged oppositely, the side surface is connected with the first surface and the second surface, the first surface is provided with a mounting hole, the side surface is provided with a mounting groove, and the mounting hole is communicated with the mounting groove; the metal piece is embedded in the side wall and comprises a first end and a second end which are arranged oppositely, the first end is exposed in the mounting groove, and the second end is exposed on the second surface; the key circuit board assembly is arranged in the mounting groove; the main board is arranged on one side of the side wall close to the second surface and can be electrically connected with the key circuit board assembly through the metal piece; the key assembly penetrates through the mounting hole and abuts against the key circuit board assembly.

In order to realize the functions of the keys of the electronic device, a groove or a hole is generally required to be formed in the housing, so that the continuity of the surface of the housing is poor. The electronic equipment that this application provided is connected through inlaying the metalwork of locating on the casing between button circuit board subassembly and the mainboard, need not to set up groove or hole on the casing, is favorable to improving housing face's continuity, avoids appearing waterproof weak area on the casing, is favorable to improving electronic equipment's waterproof ability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an electronic device provided herein;

FIG. 2 is an exploded schematic view of the electronic device of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic view of the metal part of FIG. 2;

FIG. 5 is an exploded view of the key circuit board assembly of FIG. 2;

fig. 6 is a schematic structural view of the first resilient piece in fig. 2;

FIG. 7 is an enlarged schematic view of a portion of the structure of FIG. 2;

fig. 8 is a schematic structural view of the second elastic sheet in fig. 2;

fig. 9 is another structural schematic view of the second elastic piece in fig. 8;

FIG. 10 is an enlarged schematic view of another portion of the structure of FIG. 2;

FIG. 11 is a schematic sectional view of a part of the structure of the housing of FIG. 2;

fig. 12 is a schematic structural diagram of the key assembly in fig. 2;

fig. 13 is a schematic view of the key assembly and the bracket of fig. 2 cooperating with each other;

FIG. 14 is another schematic diagram of the electronic device of FIG. 1;

FIG. 15 is another schematic diagram of an electronic device provided herein;

fig. 16 is a schematic structural diagram of the electronic device in fig. 15.

Detailed Description

It should be noted that "electronic device" in this application includes, but is not limited to, devices that are configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). Such as smart phones, tablets, laptops, wearable devices, and the like.

The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive work are within the scope of the present application.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1, fig. 2 and fig. 3 together, fig. 1 is a schematic structural diagram of an electronic device 100 provided in the present application, fig. 2 is an exploded schematic diagram of the electronic device 100 in fig. 1, and fig. 3 is an enlarged schematic diagram of a portion of the structure in fig. 2. The electronic device 100 includes a housing 10, a metal member 20, a key circuit board assembly 30, a main board 40, and a key assembly 50. The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions.

The casing 10 has a side wall 11, the side wall 11 includes a first surface 111 and a second surface 112 opposite to each other and a side surface 113 connecting the first surface 111 and the second surface 112, the first surface 111 has a mounting hole 1111, the side surface 113 has a mounting groove 1131, and the mounting hole 1111 is communicated with the mounting groove 1131. The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.

Further, the housing 10 may be a middle frame of the electronic device 100, and of course, the housing 10 may also be a rear cover of the electronic device 100. Specifically, the housing 10 may further include a bottom wall 12 and four side walls 11 connected end to end, where the side walls 11 and the bottom wall 12 jointly enclose a receiving space 101. One of the sidewalls 11 may include a first surface 111 and a second surface 112 opposite to each other, and a side surface 113 connecting the first surface 111 and the second surface 112, where the first surface 111 may be an external surface of the electronic device 100, the second surface 112 may be located inside the electronic device 100, and the first surface 111 and the second surface 112 may be parallel to each other.

The metal member 20 is embedded in the side wall 11 for connecting the key circuit board assembly 30 located in the mounting groove 1131 and the main board 40 located in the accommodating space 101. The metal member 20 and the housing 10 may be integrally injection molded, and the two are tightly connected without a gap, so as to prevent water from entering and improve the waterproof capability of the electronic device 100. The metal piece 20 includes a first end 21 and a second end 22 opposite to each other, the first end 21 is exposed in the mounting groove 1131, and the second end 22 is exposed on the second surface 112. The first end 21 may be flush with the inner wall of the mounting groove 1131 and the second end 22 may be flush with the second surface 112; of course, the first end 21 may also extend into the mounting groove 1131, and the second end 22 may also extend into the accommodating space 101.

Further, referring to fig. 4, fig. 4 is a schematic structural diagram of the metal element 20 in fig. 2, the metal element 20 may be a metal block, for example, a square metal block, the metal block may include a first end 21 and a second end 22 that are disposed opposite to each other, a surface of the first end 21 is flush with an inner wall of the mounting groove 1131, and a surface of the second end 22 is flush with the second surface 112. The specific material of the metal block is not limited in this application, and may be any conductive metal material such as copper alloy, aluminum alloy, magnesium alloy, and the like. Of course, the metal piece 20 may also be a metal rod or a conductive probe.

Further, the number of the metal pieces 20 may be one or more. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. For example, the number of the metal pieces 20 may be two, so as to ensure reliable contact between the key circuit board assembly 30 and the main board 40, and improve reliability of the electronic device 100.

The key circuit board assembly 30 is disposed in the mounting groove 1131. Referring to fig. 5, fig. 5 is an exploded view of the key circuit board assembly 30 in fig. 2, where the key circuit board assembly 30 may include a key circuit board 31 and a touch switch 32 disposed on a side of the key circuit board 31 close to the key assembly 50. The touch switch 32 may be fixedly disposed on a surface of the key circuit board 31 away from the metal member 20, and the key assembly 50 can abut against the touch switch 32 to communicate with the circuit of the key circuit board 31 when pressed.

Further, the key circuit board assembly 30 is electrically connected to the first end 21 of the metal member 20. Specifically, the key circuit board 31 may be electrically connected to the first end 21 of the metal member 20. The key circuit board 31 may be a strip-shaped flat circuit board, and includes a first circuit board 311 and a second circuit board 312 that are arranged side by side in a length direction thereof and are connected to each other. The surface of the first circuit board 311 near the metal part 20 may be provided with a reinforcing plate 33, and the touch switch 32 may be fixed on the surface of the first circuit board 311 far from the metal part 20. The surface of the second circuit board 312 away from the metal part 20 may be provided with a reinforcing plate 33, and the surface of the second circuit board 312 close to the metal part 20 may be electrically connected to the first end 21 of the metal part 20.

Further, the key circuit board assembly 30 is electrically connected to the first end 21 of the metal member 20 through the first elastic sheet 80. Specifically, a side surface of the second circuit board 312 close to the metal piece 20 is electrically connected to the first end 21 of the metal piece 20 through the first elastic piece 80. The first elastic sheet 80 may be welded on the key circuit board assembly 30 and abuts against the first end 21 of the metal member 20. The first elastic sheet 80 may be a positive pressure elastic sheet, so that the key circuit board assembly 30 is reliably connected with the first end 21 of the metal member 20, and the stability of the electronic device 100 is improved.

Further, referring to fig. 6 and 7, fig. 6 is a schematic structural diagram of the first elastic sheet 80 in fig. 2, fig. 7 is an enlarged schematic structural diagram of another portion in fig. 2, the first elastic sheet 80 may include a first portion 81, a second portion 82 and a third portion 83, the second portion 82 connects the first portion 81 and the third portion 83, one end of the third portion 83 is connected to the second portion 82, and the other end of the third portion 83 abuts against the first portion 81 and can slide along the surface of the first portion 81. The first portion 81 is welded on one side surface of the key circuit board 31 close to the metal piece 20, an included angle between the second portion 82 and the first portion 81 is an acute angle, an included angle between the third portion 83 and the second portion 82 is an acute angle, and a joint of the second portion 82 and the third portion 83 is abutted to the first end 21 of the metal piece 20.

Further, the electronic device 100 provided by the present application further includes an elastic sealing member 60, wherein the elastic sealing member 60 is fixedly disposed on the housing 10 or the key circuit board assembly 30 and surrounds the first elastic sheet 80 to achieve waterproof and dustproof functions. Specifically, the elastic sealing element 60 may be disposed between the key circuit board assembly 30 and the housing 10, and surround the first elastic sheet 80, so as to achieve sealing and waterproof through a certain interference compression. The elastic sealing element 60 may be adhered to a side surface of the second circuit board 312 close to the metal member 20 by an adhesive, and may also be adhered to an inner wall of the mounting groove 1131 by an adhesive, and of course, the elastic sealing element 60 may also be integrally formed with the housing 10 by an in-mold injection molding manner. The specific material of the elastic sealing member 60 is not particularly limited in the present application, and for example, the elastic sealing member 60 may be made of various materials such as foam, silicone, etc.

The main board 40 is a main circuit board of the electronic device 100, and is disposed on a side of the side wall 11 close to the second surface 112, and may be disposed inside the accommodating space 101. The main board 40 and the key circuit board assembly 30 are electrically connected through the metal part 20, specifically, the key circuit board assembly 30 is electrically connected with the first end 21 of the metal part 20, and the main board 40 is electrically connected with the second end 22 of the metal part 20, so that the electrical connection between the key circuit board assembly 30 and the main board 40 is realized. Of course, other electronic components and functional modules may also be disposed on the main board 40, such as a central processing unit, a cache, a flash memory, a battery, a radio module, a bluetooth module, a WIFI module, and so on.

Further, the main board 40 is electrically connected to the second end 22 of the metal member 20 through the second elastic sheet 90. The second elastic sheet 90 may be welded on the main plate 40 and abuts against the second end 22 of the metal member 20. The second elastic piece 90 may be a lateral pressure elastic piece, so that the main board 40 is reliably connected with the second end 22 of the metal piece 20, and the stability of the electronic device 100 is improved.

Further, please refer to fig. 8, 9 and 10, fig. 8 is a schematic structural diagram of the second resilient piece 90 in fig. 2, fig. 9 is another schematic structural diagram of the second resilient piece 90 in fig. 8, fig. 10 is an enlarged schematic structural diagram of another portion in fig. 2, the second resilient piece 90 may include a first portion 91, a second portion 92, a third portion 93 and a fourth portion 94 that are sequentially connected, the first portion 91 is in a "V" shape, and a top of the first portion 91 is abutted to the second end 22 of the metal piece 20; the second part 92 is in a U-shaped structure and is connected with the first part 91 and the third part 93; the third part 93 is in an L-shaped structure and is connected with the second part 92 and the fourth part 94, and the third part 93 is welded on the main board 40; the fourth portion 94 encloses an inner space, and one end of the first portion 91 can be extended and retracted in the inner space.

The key assembly 50 penetrates through the mounting hole 1111 and abuts against the key circuit board assembly 30. The key assembly 50 can be pressed against the touch switch 32 in the key circuit board assembly 30 to communicate with the circuit of the key circuit board 31.

Further, referring to fig. 11, 12 and 13, fig. 11 is a sectional view of a portion of casing 10 in fig. 2, fig. 12 is a structural view of key assembly 50 in fig. 2, fig. 13 is a structural view of key assembly 50 in fig. 2 cooperating with bracket 70, and mounting hole 1111 includes a first hole segment 11111 and a second hole segment 11112, and second hole segment 11112 communicates first hole segment 11111 with mounting hole 1131. The key assembly 50 comprises a key cap 51 and a key block 52, wherein at least part of the key cap 51 is accommodated in the first hole segment 11111; the key block 52 is disposed through the second hole segment 11112, one end of the key block 52 is fixedly connected to the key cap 51, and the other end of the key block abuts against the key circuit board assembly 30.

Further, the first hole segment 11111 may be a long strip-shaped slot formed on the first surface 111 of the casing 10, and is used for accommodating the key cap 51. The key cap 51 is also strip-shaped, and the key cap 51 and the key block 52 can be integrally formed. The key cap 51 may have a portion received in the first hole segment 11111 and another portion exposed outside the electronic device 100 for receiving a pressing force; the key block 52 can be fixedly connected with the middle position of the key cap 51.

Further, the electronic device 100 provided by the present application further includes a support 70, where the support 70 is disposed in the mounting groove 1131, and is located on one side of the key circuit board assembly 30 close to the key assembly 50, so as to fix the key circuit board assembly 30 in the mounting groove 1131. Specifically, the support 70 may include a first surface 71 and a second surface 72 that are disposed opposite to each other, the first surface 71 of the support 70 abuts against the key circuit board assembly 30, and the second surface 72 of the support 70 abuts against an inner wall of the mounting groove 1131, so as to fix the key circuit board assembly 30 in the mounting groove 1131 in a limited manner, thereby avoiding a change in position of the key circuit board assembly 30 and improving reliability of the electronic device 100.

Further, the second hole segment 11112 may include a first sub-hole segment 111121 and a second sub-hole segment 111122 that are arranged side by side, the button block 52 is inserted into the first sub-hole segment 111121, the key assembly 50 further includes a fixture block 52, the fixture block 52 is fixedly connected to the key cap 51, and the fixture block 52 is inserted into the second sub-hole segment 111121 and is matched with a fastening position arranged on the bracket 70 to prevent the key assembly 50 from falling off.

Further, the number of the first sub-hole segments 111121 may be one, the number of the second sub-hole segments 111122 may be two, and two second sub-hole segments 111122 are symmetrically distributed on both sides of the first sub-hole segments 111121. The geometric center of the first sub-aperture segment 111121 may be collinear with the geometric center of the first aperture segment 11111, and the geometric center of the first sub-aperture segment 111121 may be collinear with the geometric centers of the two second sub-aperture segments 111122. Correspondingly, the number of the latch blocks 52 is two, two latch blocks 52 are respectively fixedly connected with two ends of the key cap 51, and the two latch blocks 52 respectively penetrate through the two second sub-hole sections 111122 to be matched with the buckling positions arranged on the latch blocks 52.

Further, referring to fig. 14, fig. 14 is another schematic structural diagram of the electronic device 100 in fig. 1, the electronic device 100 provided in the present application may further include a display screen 110 and a rear cover 120, the housing 10 is connected to the display screen 110 and the rear cover 120, the display screen 110, the rear cover 120 and the side wall 11 of the housing 10 jointly enclose to form an accommodating space 130, and the main board is disposed in the accommodating space 130.

Of course, the display screen 110 is mainly used for displaying, and the display screen 110 may be an LCD display screen or an OLED display screen. Further, the display screen 110 may also be used to receive input instructions from a user. The rear cover 120 is mainly used to protect the internal structure of the electronic device 100. The display screen 110, the rear cover 120 and the side wall 11 of the casing 10 together enclose a receiving space 130, and other components (not shown) of the electronic device 100, such as a chip, a battery, a camera and various sensors, may be further disposed in the receiving space 130.

Further, please refer to fig. 15 and 16 together, fig. 15 is another composition schematic diagram of the electronic device 200 provided in the present application, fig. 16 is a schematic structural diagram of the electronic device 200 in fig. 15, and the electronic device 200 may further include an RF circuit 210, a memory 220, an input unit 230, a display unit 240 (i.e., the display screen 110 in the above embodiment), a sensor 250, an audio circuit 260, a wifi module 270, a processor 280, a power supply 290, and the like. The RF circuit 210, the memory 220, the input unit 230, the display unit 240, the sensor 250, the audio circuit 260, and the wifi module 270 are respectively connected to the processor 280; the power supply 290 is used to supply power to the entire electronic device 200.

Specifically, the RF circuit 210 is used for transmitting and receiving signals; the memory 220 is used for storing data instruction information; the input unit 230 is used for inputting information, and may specifically include a touch panel 231 and other input devices 232 such as operation keys; the display unit 240 may include a display panel 241, etc.; the sensor 250 includes an infrared sensor, a laser sensor, etc. for detecting a user approach signal, a distance signal, etc.; a speaker 261 and a microphone (or a microphone, or a receiver assembly in the above embodiments) 262 are connected to the processor 280 through the audio circuit 260 for receiving and transmitting sound signals; the wifi module 270 is configured to receive and transmit wifi signals, and the processor 280 is configured to process data information of the mobile electronic device. With regard to the related technical features of the receiver assembly, please refer to the related description of the above embodiments of the receiver assembly, and detailed description thereof will not be provided herein.

In order to realize the functions of the keys of the electronic device, it is generally necessary to form a groove or a hole in the housing 10, so that the continuity of the surface of the housing 10 is poor. The electronic device 100 provided by the application is connected through the metal piece 20 that inlays on locating the casing between key circuit board assembly 30 and the mainboard 40, need not to set up groove or hole on casing 10, is favorable to improving the continuity on casing 10 surface, avoids appearing waterproof weak area on the casing 10, is favorable to improving electronic device 100's waterproof ability.

The above description is only a part of the embodiments of the present application, and not intended to limit the scope of the present application, and all equivalent devices or equivalent processes performed by the content of the present application and the attached drawings, or directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. An electronic device, comprising:

the side wall of the shell comprises a first surface, a second surface and a side surface, wherein the first surface and the second surface are arranged oppositely, the side surface is used for connecting the first surface and the second surface, the first surface is provided with a mounting hole, the side surface is provided with a mounting groove, and the mounting hole is communicated with the mounting groove;

the metal piece is embedded in the side wall and comprises a first end and a second end which are arranged oppositely, the first end is exposed in the mounting groove, and the second end is exposed on the second surface;

the key circuit board assembly is arranged in the mounting groove;

the main board is arranged on one side of the side wall close to the second surface and can be electrically connected with the key circuit board assembly through the metal piece;

and the key assembly penetrates through the mounting hole and abuts against the key circuit board assembly.

2. The electronic device of claim 1, wherein the metallic article is a metallic block.

3. The electronic device of claim 2, wherein the key circuit board assembly is electrically connected to the first end of the metal member through a first resilient piece, and the main board is electrically connected to the second end of the metal member through a second resilient piece.

4. The electronic device of claim 3, wherein the first resilient tab is welded to the key circuit board assembly and abuts against the first end of the metal member; the second elastic sheet is welded on the main board and is abutted against the second end of the metal piece.

5. The electronic device of claim 3, further comprising:

and the elastic sealing element is fixedly arranged on the shell or the key circuit board assembly and is arranged around the first elastic sheet to realize water and dust prevention.

6. The electronic device of claim 5, wherein the resilient seal is integrally formed with the housing.

7. The electronic device of claim 1, further comprising:

the support, set up in the mounting groove, be located close to of key circuit board subassembly one side of key circuit board subassembly is used for with key circuit board subassembly is fixed in the mounting groove.

8. The electronic device of claim 7, wherein the mounting hole includes a first hole section and a second hole section, the second hole section communicating the first hole section and the mounting groove, the key assembly comprising:

the key cap is at least partially accommodated in the first hole section;

and the key block penetrates through the second hole section, one end of the key block is fixedly connected with the key cap, and the other end of the key block is abutted against the key circuit board assembly.

9. The electronic device of claim 8, wherein the second hole section includes a first sub-hole section and a second sub-hole section arranged side by side, the key block is disposed through the first sub-hole section, and the key assembly further includes:

and the clamping block is fixedly connected with the key cap, penetrates through the second sub-through hole and is matched with the buckling position arranged on the support to prevent the key assembly from falling off.

10. The electronic device of claim 1, wherein the key circuit board assembly comprises a key circuit board and a touch switch disposed on a side of the key circuit board close to the key assembly, and the key assembly can abut against the touch switch when pressed to communicate with a circuit of the key circuit board.

11. The electronic device of claim 1, further comprising a display screen and a rear cover, wherein the housing is connected to the display screen and the rear cover, the display screen, the rear cover and a sidewall of the housing together enclose a receiving space, and the main board is disposed in the receiving space.