CN110517918B

CN110517918B - Electronic device

Info

Publication number: CN110517918B
Application number: CN201910797291.4A
Authority: CN
Inventors: 贾玉虎
Original assignee: Oppo Chongqing Intelligent Technology Co Ltd
Current assignee: Oppo Chongqing Intelligent Technology Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2022-02-15
Anticipated expiration: 2039-08-27
Also published as: CN110517918A

Abstract

The application discloses electronic equipment, electronic equipment includes: the middle frame is provided with an accommodating groove at one side in the thickness direction, the accommodating groove is provided with a first side wall and a second side wall which are opposite, and the second side wall is provided with a through hole; the inner embedded piece is arranged in the accommodating groove; one end of the flexible circuit board is arranged between the inner insert and the first side wall, a switch is arranged on one side of the flexible circuit board facing the inner insert, and an avoidance hole is formed in the position, opposite to the switch, of the inner insert; the key is movably arranged on the middle frame, the key can move between a first position and a second position, the first position and the second position are sequentially arranged in the direction from the first side wall to the second side wall, the part of the key penetrates through the through hole and the avoiding hole to be contacted with the switch at the first position, and the key is spaced from the switch at the second position. According to the electronic equipment, the possibility that water vapor enters the flexible circuit board through the avoiding hole can be reduced; and simultaneously, the switch has better switch hand feeling.

Description

Electronic device

Technical Field

The application belongs to the technical field of electronic equipment, and particularly relates to electronic equipment.

Background

The waterproof design of the mobile phone key is always a technical difficulty which needs to be overcome by various manufacturers, and the current key waterproof scheme is mainly characterized in that the key waterproof design is connected to a key body through a waterproof transmission cover so as to receive pressure from the key body and generate deformation, and then a switch on a circuit board below the key body is triggered so as to generate the change of voltage or current. The existing technical scheme mainly realizes that the deformation connecting switch is pressed and a circuit is switched on by depending on the elasticity of the waterproof cover, realizes the waterproof function of a case by depending on the waterproof cover and the casing, and has poor waterproof effect and poor hand feeling of the key switch.

Disclosure of Invention

The application provides an electronic equipment, electronic equipment can be waterproof better, have good switch simultaneously and feel.

According to the electronic equipment of this application embodiment, include: the middle frame is provided with an accommodating groove at one side in the thickness direction, the accommodating groove is provided with a first side wall and a second side wall which are opposite, and the second side wall is provided with a through hole; the inner embedded piece is arranged in the accommodating groove; one end of the flexible circuit board is arranged between the inner insert and the first side wall, a switch is arranged on one side of the flexible circuit board facing the inner insert, and an avoidance hole is formed in the position, opposite to the switch, of the inner insert; the key is movably arranged on the middle frame, the key can move between a first position and a second position, the first position and the second position are sequentially arranged in the direction from the first side wall to the second side wall, the part of the key penetrates through the through hole and the avoiding hole to be contacted with the switch at the first position, and the key is spaced from the switch at the second position.

According to the electronic equipment provided by the embodiment of the application, the inner insert and the flexible circuit board can be attached by arranging one end of the flexible circuit board between the inner insert and the first side wall, so that the possibility that water vapor enters the flexible circuit board through the through hole and the avoidance hole can be better reduced; meanwhile, the key can be directly contacted with the switch, so that the switch has better hand feeling.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a partial structure of an electronic apparatus according to an embodiment of the present application;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a perspective view of a partial structure of a middle frame of an electronic device according to an embodiment of the present application;

FIG. 4 is a perspective view of an angle of an inlay of an electronic device according to an embodiment of the present application;

FIG. 5 is a perspective view of another angle of an inlay of an electronic device according to an embodiment of the present application;

fig. 6 is a sectional view of a partial structure of an electronic apparatus according to an embodiment of the present application;

FIG. 7 is a perspective view of a key and a resilient member of an electronic device according to an embodiment of the present application;

FIG. 8 is a perspective view of a key, a fixing frame, an elastic member, an insert, and a flexible circuit board of an electronic device according to an embodiment of the present application;

fig. 9 is a front view of an electronic device according to an embodiment of the application.

Reference numerals:

an electronic device 1, a middle frame 10, a containing groove 11, a first side wall 12, a second side wall 13, a through hole 14, a clamping hole 15, an avoiding groove 16, a bottom plate 17, a first fixing frame 18, a second fixing frame 19,

the inner insert 20, the avoidance hole 21, the first clamping protrusion 22, the second clamping protrusion 23, the stopping portion 24, the guide inclined plane 25, the flexible circuit board 30, the switch 31, the key 40, the body 41, the clamping hook 42, the connecting portion 421, the clamping portion 422, the contact 43, and the elastic member 50.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

An electronic apparatus 1 according to an embodiment of the present application is described below with reference to the drawings.

The electronic device 1 according to the embodiment of the present application, as shown in fig. 1 to 3, 6, and 8, includes: a middle frame 10, an inner insert 20, a flexible circuit board 30 and a key 40. One side of the middle frame 10 in the thickness direction is provided with an accommodating groove 11, the accommodating groove 11 is provided with a first side wall 12 and a second side wall 13 which are opposite, and the second side wall 13 is provided with a through hole 14. The insert 20 is disposed in the receiving groove 11, and a portion of the flexible circuit board 30 is disposed in the receiving groove 11. One end of the flexible circuit board 30 is arranged between the inner insert 20 and the first side wall 12, so that one side of the inner insert 20 close to the flexible circuit board 30 is attached to one side of the flexible circuit board 30 close to the inner insert 20, and water resistance is achieved. The side of the flexible circuit board 30 facing the inner insert 20 is provided with a switch 31, the inner insert 20 is provided with an avoidance hole 21 at a position opposite to the switch 31, and part or all of the switch 31 is located in the avoidance hole 21.

The key 40 is movably provided on the middle frame 10, and the key 40 is movable between a first position and a second position, which are sequentially arranged in a direction from the first side wall 12 to the second side wall 13, whereby the key 40 can be brought close to the flexible circuit board 30 and away from the flexible circuit board 30. In the first position, the key 40 is partially inserted into the through hole 14 and the avoiding hole 21 to contact with the switch 31, and the circuit on the flexible circuit board 30 is turned on to generate a change of voltage or current, thereby realizing functions of adjusting volume, lighting a screen or turning off the screen. In the second position, the button 40 is spaced from the switch 31, breaking the circuit on the flexible circuit board 30.

Wherein, the inner insert 20 can be in interference fit with the flexible circuit board 30 and the receiving groove 11.

Further, the flexible circuit board 30 may also be provided with a nano-coating to further protect against water.

Further, as shown in fig. 1, 2 and 6, the middle frame 10 includes a bottom plate 17 and first and

second fixing frames

18 and 19, and the receiving groove 11 is provided on the second fixing frame 19. The second fixed frame 19 is fitted around the outer peripheral wall of the bottom plate 17, the through hole 14 penetrates through the second fixed frame 19 on the side close to the second side wall 13, the first fixed frame 18 is provided on the side of the second fixed frame 19 where the through hole 14 is provided, and the through hole 14 penetrates through the first fixed frame 18. The base plate 17 may be a die cast part and the fixing frame 18 may be a plastic part.

According to the electronic device 1 of the embodiment of the application, the inner insert 20 and the flexible circuit board 30 can be attached by arranging one end of the flexible circuit board 30 between the inner insert 20 and the first side wall 12, so that the possibility that water vapor enters the flexible circuit board 30 through the through hole 14 and the avoidance hole 21 can be reduced better; meanwhile, the key 40 can be directly contacted with the switch 31, so that the switch 31 has better hand feeling.

According to some embodiments of the present application, as shown in fig. 5, a side of the insert 20 facing the second sidewall 13 is provided with a first protrusion 22, and the first protrusion 22 abuts against the second sidewall 13. Therefore, the side of the inner insert 20 close to the flexible circuit board 30 can be better attached to the side of the flexible circuit board 30 close to the inner insert 20, and the possibility that water vapor enters the flexible circuit board 30 through the through hole 14 and the avoiding hole 21 is further reduced.

Further, the first catching protrusion 22 extends from one end in the width direction of the inlay 20 to the other end in the width direction of the inlay 20.

Further, the first locking protrusion 22 may be one, or may be plural, such as two, three, etc. As shown in fig. 5, the number of the first catching projections 22 is two, and each of the two first catching projections 22 extends from one end of the width direction of the inlay 20 to the other end of the width direction of the inlay 20.

Further, as shown in fig. 5, the height of the first catching protrusion 22 gradually increases in a direction from one end of the first catching protrusion 22 close to the bottom wall of the accommodating groove 11 to the other end. Interior inserts 20 is at the in-process of installation, can follow the opening of holding tank 11 and insert in holding tank 11 for first card is protruding 22 and is being close to the one end of the diapire of holding tank 11 to the orientation of the other end in the height crescent, can insert the in-process of holding tank 11 at interior inserts 20, makes interior inserts 20 and flexible circuit board 30 laminating compacter, further reduces steam and passes through perforating hole 14 and dodge the possibility that hole 21 entered into on the flexible circuit board 30. And is also convenient when inserting the inlay 20 into the receiving groove 11.

It should be noted that the avoiding hole 21 may be a closed hole structure on the inner insert 20, that is, there is no gap, the inner insert 20 and the flexible circuit board 30 may be pre-attached before being mounted to the receiving groove 11, the switch 31 is opposite to the avoiding hole 21, and then the flexible circuit board 30 and the inner insert 20 are assembled together into the receiving groove 11. Of course, dodge hole 21 and also can be towards the open pore structure of one end of holding tank 11 diapire, dodge hole 21 promptly and have the breach, at the in-process of flexible circuit board 30 and interior inserts 20 assembly, can assemble flexible circuit board 30 to holding tank 11 earlier in, then insert interior inserts 20 in holding tank 11 opens the mouth and inserts holding tank 11, including the in-process of inserts 20 assembly, switch 31 stretches into from the breach and dodges in the hole 21.

According to some embodiments of the present application, as shown in fig. 3 and 4, the side of the inner insert 20 facing the first side wall 12 is provided with a second protrusion 23, and the side wall of the receiving groove 11 is provided with a locking hole 15 engaged with the second protrusion 23. Therefore, the inner insert 20 can be connected with the middle frame 10 to fix the inner insert 20, meanwhile, the second clamping protrusion 23 is clamped into the clamping hole 15, so that the distance between one side of the inner insert 20, facing the flexible circuit board 30, and the first side wall 12 is fixed more reliably, the flexible circuit board 30 is located between the inner insert 20 and the first side wall 12, and further, the side of the inner insert 20, facing the flexible circuit board 30, and one side of the flexible circuit board 30, facing the inner insert 20, are better attached to one side of the flexible circuit board 30, facing the inner insert 20.

It should be noted that the number of the second protrusions 23 may be one or more, for example, two or three, when there are a plurality of second protrusions 23, there are a plurality of card holes 15, and the plurality of second protrusions 23 correspond to the plurality of card holes 15 one by one. For example, as shown in fig. 3 and 4, the number of the second protrusions 23 is two, the number of the card holes 15 is two, and the two second protrusions 23 correspond to the two card holes 15 one by one.

Further, as shown in fig. 4, a side of the second catching protrusion 23 facing the bottom wall of the receiving groove 11 has a guide slope 25, and the guide slope 25 is inclined toward the bottom wall of the receiving groove 11 in a direction from an end of the second catching protrusion 23 near the first side wall 12 to an end of the second catching protrusion 23 near the second side wall 13. Therefore, during the process of assembling the insert 20, the guiding function can be achieved, so that the second clamping protrusions 23 can be clamped into the clamping holes 15, and the fixing between the insert 20 and the middle frame 10 is achieved.

According to some embodiments of the present application, as shown in fig. 2 and 3, the middle frame 10 is provided with an avoiding groove 16 communicated with the accommodating groove 11, the avoiding groove 16 is located on the first side wall 12, and a portion of the flexible circuit board 30 is disposed in the avoiding groove 16. Thereby, the mounting space can be saved, so that the thickness of the electronic apparatus 1 can be reduced.

Further, a waterproof foam is arranged in the avoiding groove 16 and is arranged on one side, far away from the bottom wall of the avoiding groove 16, of the flexible circuit board 30. Therefore, the possibility that water vapor enters the flexible circuit board 30 along the gap between the middle frame 10 and the rear shell can be reduced, and the waterproof performance of the electronic device 1 can be further improved.

It should be noted that the waterproof foam can be hard foam rubber. The waterproof foam may be adhered to the middle frame 10 or the rear cover.

According to some embodiments of the present application, as shown in fig. 7 and 8, the electronic device 1 further includes: and the elastic element 50 is arranged between the middle frame 10 and the key 40 to drive the key 40 to move from the first position to the second position. Thereby causing the circuit of the flexible circuit board 30 to be opened and the key 40 to be reset.

According to some embodiments of the present application, as shown in fig. 6-8, the key 40 includes: a body 41, a hook 42, and a contact 43.

Specifically, the body 41 is located outside the receiving groove 11, and at least a portion of the hook 42 and the contact 43 is located inside the receiving groove 11. One end of the hook 42 is connected to the body 41, one end of the contact 43 is connected to the body 41, and the hook 42 and the contact 43 are arranged along the length direction of the body 41. One of the insert 20 and the middle frame 10 is provided with a stop 24, i.e. the stop 24 may be provided on the middle frame 10 or on the insert 20. In the first position, the contact piece 43 is inserted into the through hole 14 and the avoiding hole 21, the other end of the contact piece 43 contacts the switch 31, the other end of the hook 42 is spaced from the stop portion 24, in the second position, the hook 42 is inserted into the through hole 14, the other end of the hook 42 cooperates with the stop portion 24 to limit the movement of the key 40 in the direction away from the center of the middle frame 10, and the contact piece 43 is spaced from the switch 31. The limit of the key 40 can be realized by arranging the hook 42 to be matched with the stop part 24.

The body 41, the hook 42, and the contact 43 may be integrally molded, welded, riveted, or the like, and preferably, are integrally molded. The through hole 14 may be a large hole, or may be a plurality of through holes 14, with the contact 43 being inserted through one through hole 14 and the hook 42 being inserted through the other through hole 14.

It should be noted that the number of the contact members 43 is not limited, and may be designed according to actual needs. The contacts 43 correspond one-to-one to the switches 31. As shown in the figure, the number of the contact members 43 is two, the two contact members 43 are arranged at intervals along the length direction of the body 41, and the corresponding switches 31 are two, in this case, the key 40 may be an up-down volume key. Of course, the contact member 43 may be a single member, and the key 41 may be a separate volume up key, volume down key or power key.

The number of the hooks 42 is not limited, in the example shown in fig. 7, the number of the hooks 42 is two, two hooks 42 are arranged at intervals along the length direction of the body 41, and two hooks 42 are located between two contact pieces 43, so that the fixing and limiting effects on the key 40 can be improved.

In the example shown in fig. 7, the number of the through holes 14 is four, the number of the contacts 43 is two, the number of the hooks 42 is two, and one contact 43 or one hook 42 is inserted into each through hole 14. However, the present invention is not limited to this, and the number of the through holes 14 may be three, and two hooks 42 may be simultaneously inserted into one larger through hole 14, and one contact 43 may be inserted into each of the other two through holes 14.

Further, as shown in fig. 6 to 8, the inner insert 20 is provided with a stopping portion 24, the hook 42 includes a connecting portion 421 and a clamping portion 422, one end of the connecting portion 421 is connected to the body 41, one end of the clamping portion 422 is connected to the other end of the connecting portion 421, the clamping portion 422 is perpendicular to the connecting portion 421, the connecting portion 421 is inserted into the through hole 14 and the avoiding hole 21, and the clamping portion 422 is located on one side of the stopping portion 24 away from the second side wall 13. Therefore, the blocking portion 24 can limit the clamping portion 422, and the clamping portion 422 is limited from moving in the direction away from the middle frame 10.

The connecting portion 421 and the engaging portion 422 are integrally formed. The insert 20 and the stop 24 are an integral part.

The electronic device 1 may illustratively be any of various types of computer system devices that are mobile or portable and that perform wireless communications (only one modality being illustratively shown in fig. 9). Specifically, the electronic device 1 may be a mobile phone or a smart phone (e.g., an iPhone (TM) based phone), a Portable game device (e.g., Nintendo DS (TM), PlayStation Portable (TM), game Advance (TM), iPhone (TM)), a laptop, a PDA, a Portable internet device, a music player and a data storage device, other handheld devices and a head-mounted device (HMD) such as a watch, an in-ear headphone, a pendant, a headset, etc., and the electronic device 1 may also be other wearable devices (e.g., a head-mounted device (HMD) such as electronic glasses, electronic clothing, an electronic bracelet, an electronic necklace, an electronic tattoo, the electronic device 1 or a smart watch).

The electronic device 1 may also be any of a plurality of electronic devices 1, the plurality of electronic devices 1 including, but not limited to, cellular telephones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders, video recorders, cameras, other media recorders, radios, medical devices, vehicle transportation equipment, calculators, programmable remote controls, pagers, laptop computers, desktop computers, printers, netbook computers, Personal Digital Assistants (PDAs), Portable Multimedia Players (PMPs), moving Picture experts group (MPEG-1 or MPEG-2) Audio layer (MP3) players, portable medical devices, and digital cameras, and combinations thereof.

In some cases, the electronic device 1 may perform a variety of functions (e.g., playing music, displaying video, storing pictures, and receiving and sending telephone calls). If desired, the electronic device 1 may be a portable device such as a cellular telephone, media player, other handheld device, wristwatch device, pendant device, earpiece device, or other compact portable device.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present application. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. An electronic device, comprising:

the middle frame is provided with an accommodating groove at one side in the thickness direction, the accommodating groove is provided with a first side wall and a second side wall which are opposite, and the second side wall is provided with a through hole;

the inner insert is arranged in the accommodating groove, a first clamping protrusion is arranged on one side of the inner insert, which faces the second side wall, and abuts against the second side wall, the first clamping protrusion extends from one end of the inner insert in the width direction to the other end of the inner insert in the width direction, and the height of the first clamping protrusion is gradually increased in the direction from one end, which is close to the bottom wall of the accommodating groove, of the first clamping protrusion to the other end;

one end of the flexible circuit board is arranged between the inner insert and the first side wall, a switch is arranged on one side of the flexible circuit board facing the inner insert, and an avoidance hole is formed in the position, opposite to the switch, of the inner insert;

the key is movably arranged on the middle frame, the key can move between a first position and a second position, the first position and the second position are sequentially arranged in the direction from the first side wall to the second side wall, part of the key penetrates through the through hole and the avoiding hole to be contacted with the switch at the first position, and the key is spaced from the switch at the second position.

2. The electronic device of claim 1, wherein a side of the inner insert facing the first sidewall is provided with a second protrusion, and a sidewall of the receiving groove is provided with a locking hole engaged with the second protrusion.

3. The electronic device according to claim 2, wherein a side of the second protrusion facing the bottom wall of the receiving groove has a guide slope inclined toward the bottom wall of the receiving groove in a direction from an end of the second protrusion near the first side wall to an end of the second protrusion near the second side wall.

4. The electronic device of claim 1, wherein an avoiding groove is formed in the middle frame and is communicated with the accommodating groove, the avoiding groove is located on the first side wall, and a portion of the flexible circuit board is arranged in the avoiding groove.

5. The electronic device of claim 4, wherein the avoiding groove is provided with a waterproof foam, and the waterproof foam is arranged on one side of the flexible circuit board far away from the bottom wall of the avoiding groove.

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

the elastic piece is arranged between the middle frame and the key to drive the key to move from the first position to the second position.

7. The electronic device of claim 1, wherein the key comprises:

the body is positioned outside the accommodating groove;

one end of the hook is connected with the body;

one end of the contact element is connected with the body, the clamping hook and the contact element are arranged along the length direction of the body,

the utility model discloses a key press, including interior inserts and the center, including the center, the contact piece is worn to establish the perforating hole with dodge downthehole, the other end of contact piece with the switch contact, the other end of trip with backstop portion is spaced apart the second position, the trip is worn to establish in the perforating hole, the other end of trip with backstop portion cooperation is in order to inject the button orientation is kept away from the direction at center of the center removes, the contact with the switch is spaced apart.

8. The electronic device according to claim 7, wherein the stopping portion is disposed on the insert, the hook includes a connecting portion and a clamping portion, one end of the connecting portion is connected to the body, one end of the clamping portion is connected to the other end of the connecting portion, the clamping portion is perpendicular to the connecting portion, the connecting portion is disposed in the through hole and the avoiding hole, and the clamping portion is disposed on a side of the stopping portion away from the second sidewall.