CN210223842U

CN210223842U - Key assembly and electronic equipment

Info

Publication number: CN210223842U
Application number: CN201921013070.5U
Authority: CN
Inventors: Songlin Fu; 付松林; Fanlin Kong; 孔凡磷
Original assignee: Hytera Communications Corp Ltd
Current assignee: Hytera Communications Corp Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-31
Anticipated expiration: 2029-06-28

Abstract

The application discloses button subassembly and electronic equipment, this button subassembly is used for setting up on electronic equipment, includes: the key circuit board is fixedly arranged on a face shell of the electronic equipment; the key body is arranged on one side of the key circuit board back to the shell; the key support is arranged on one side of the key body back to the key circuit board and comprises a limiting frame, a first fixing part and a second fixing part, the first fixing part extends from the limiting frame to one side close to the key circuit board, the second fixing part extends from the limiting frame outwards, the extending direction of the second fixing part is perpendicular to the extending direction of the first fixing part, the first fixing part and the second fixing part are used for being respectively inserted into clamping grooves in a face shell of the electronic equipment, so that the key support can be detachably connected to the face shell of the electronic equipment, and the limiting frame is used for limiting the key body on one side of the face shell back to the key circuit board. In this way, the key body in the key assembly can be rapidly installed or replaced, and the electronic equipment is convenient to install and maintain.

Description

Key assembly and electronic equipment

Technical Field

The present application relates to the field of electronic devices, and in particular, to a key assembly and an electronic device.

Background

The existing electronic equipment is designed more and more compactly, and the waterproof performance, the acoustic performance, the assembly cost and the maintenance cost of the existing electronic equipment need to be considered.

Taking an interphone as an example, the front structure of the current interphone mainly includes 3 types: the first is that the face shell and the face cover are fixedly connected by ultrasonic waves, in the connection mode, the silica gel key is positioned between the face shell and the face cover, when the silica gel key needs to be disassembled and replaced, the face cover needs to be damaged, or the whole face shell assembly needs to be replaced, and the maintenance cost is too high; the second is that the key is installed from inside to outside, in the connection mode, when the silica gel key needs to be disassembled and replaced, the host of the interphone needs to be disassembled, and the disassembly and assembly of the host are complex; the third is applied to the button (P + R button) that plastic and silica gel combine to constitute, passes through buckle or screw fixation with P + R button to the face-piece, and this kind of mode also needs to unpack the host computer apart when needing to tear the button open and trade to need adopt the point glue mode from inside to carry out water repellent when the installation, the assembly is more complicated.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application mainly solved provides a button subassembly and electronic equipment, can install or change the button body in the button subassembly fast, the electronic equipment's of being convenient for installation and maintenance.

In order to solve the above technical problem, a technical scheme that this application adopted provides a button subassembly, the button subassembly is used for setting up on electronic equipment, the button subassembly includes: the key circuit board is fixedly arranged on a face shell of the electronic equipment; the key body is arranged on one side of the key circuit board, which is back to the face shell; the key support, the key support sets up the button body is to one side of key circuit board, the key support includes spacing frame and is located first fixed part and second fixed part on the spacing frame, first fixed part certainly spacing frame is to being close to key circuit board one side is extended, the second fixed part certainly spacing frame outwards extends, just the extending direction of second fixed part with the extending direction of first fixed part is perpendicular, first fixed part with the second fixed part is used for inserting respectively and arranges in draw-in groove on electronic equipment's the face-piece, so that the key support can dismantle connect in electronic equipment's face-piece, spacing frame be used for with the button body is spacing the key circuit board is to one side of face-piece.

In order to solve the above technical problem, another technical solution adopted by the present application is to provide an electronic device, including the key assembly as described above.

The beneficial effect of this application is: different from the prior art, the key assembly of the application comprises a key circuit board, a key body arranged on one side of the key circuit board and a key support arranged on one side of the key body opposite to the key circuit board, wherein the key circuit board is fixedly arranged on a face casing of the electronic equipment, the key support comprises a limiting frame, a first fixing part and a second fixing part, the first fixing part and the second fixing part are positioned on the limiting frame, the first fixing part extends from the limiting frame to one side close to the key circuit board, the second fixing part extends from the limiting frame outwards, the extending direction of the second fixing part is vertical to the extending direction of the first fixing part, the first fixing part and the second fixing part are respectively inserted into a clamping groove on the face casing of the electronic equipment so as to realize that the key support is detachably connected with the face casing of the electronic equipment, so that the key body can be fixedly attached to one side of the face casing opposite to the key circuit board by using the limiting frame when the, the key body is convenient to mount on the electronic equipment; and because the key support can be dismantled with the face-piece of electronic equipment through first fixed part and second fixed part and be connected, consequently only need remove the key support from the face-piece after just can change the button body, the installation and the maintenance of the electronic equipment of being convenient for.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a key assembly according to the present application;

FIG. 2 is a detailed structural schematic diagram of the key holder of FIG. 1;

FIG. 3 is a schematic structural diagram of an embodiment of an electronic device of the present application;

fig. 4 is a detailed structural diagram of the apparatus body in fig. 3.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of an embodiment of a key assembly of the present application, and fig. 2 is a schematic detailed structural diagram of a key holder in fig. 1. The key assembly 10 of the present application is provided for installation in an electronic device, and the key assembly 10 of the present embodiment includes: the key circuit board 100, the key circuit board 100 is used for fixing on the face shell of the electronic device; the key body 102, the key body 102 is arranged on one side of the key circuit board 100 opposite to the shell; the key holder 104 is disposed on a side of the key body 102 opposite to the key circuit board 100, the key holder 104 includes a limiting frame 1042 and a first fixing portion 1040 and a second fixing portion 1044 located on the limiting frame 1042, the first fixing portion 1040 extends from the limiting frame 1042 to a side close to the key circuit board 100, the second fixing portion 1044 extends from the limiting frame 1042, an extending direction of the second fixing portion 1044 is perpendicular to an extending direction of the first fixing portion 1040, the first fixing portion 1040 and the second fixing portion 1044 are respectively inserted into a slot on a casing of the electronic device, so that the key holder 104 is detachably connected to the casing of the electronic device, and the limiting frame 1042 is used for limiting the key body 102 at a side of the key circuit board 100 opposite to the casing.

It can be understood that the key circuit board 100 may be fixedly disposed on the face casing of the electronic device in a snap manner, and the key circuit board 100 may also be integrally formed on the face casing of the electronic device; the key body 102 is disposed on a side of the key circuit board 100 opposite to the front case, and the key holder 104 is disposed on a side of the key body 102 opposite to the key circuit board 100. In this embodiment, since the key holder 104 includes the first fixing portion 1040, the second fixing portion 1044 and the limiting frame 1042, and is detachably connected to the front case of the electronic device through the first fixing portion 1040 and the second fixing portion 1044, when the key holder 104 is fixedly connected to the front case of the electronic device, the key body 102 can be fixedly attached to one side of the key circuit board 100 opposite to the front case by using the limiting frame 1042, so that the key body 102 is more convenient to be mounted to the electronic device; in addition, since the key holder 104 is detachably connected to the front case of the electronic device through the first fixing portion 1040 and the second fixing portion 1044, the key body 102 can be replaced only after the key holder 104 is detached from the front case, which is convenient for the installation and maintenance of the electronic device.

As an embodiment, the first fixing portion 1040 is disposed on the first side of the limiting frame 1042, and the plurality of second fixing portions 1044 are disposed on the second side, the third side and the fourth side adjacent to and opposite to the first side of the limiting frame 1042. It can be understood that the first fixing portion 1040 and the second fixing portion 1044 may be a clamping member, and a clamping groove respectively matched with the first fixing portion 1040 and the second fixing portion 1044 of the key holder 104 is disposed on the face casing of the electronic device, when the electronic device is installed, the first fixing portion 1040 and the second fixing portion 1044 are directly inserted into the clamping groove to fix the key holder 104 and the face casing of the electronic device, and when the electronic device is disassembled, the key holder 104 can be disassembled from the face casing of the electronic device by directly pulling the first fixing portion 1040 and the second fixing portion 1044 out of the clamping groove, so that the key body 102 is assembled and replaced conveniently, and therefore, the electronic device is convenient to install and maintain.

Further, a through hole 10400 is formed in the first fixing portion 1040, an opening direction of the through hole 10400 is perpendicular to an extending direction of the first fixing portion 1040, and when the first fixing portion 1040 is inserted into a card slot on a front case of the electronic device, the through hole 10400 is communicated with a mounting hole on a case of the electronic device. It can be understood that when the first fixing portion 1040 is inserted into the slot of the front shell of the electronic device, since the through hole 10400 is communicated with the mounting hole of the housing of the electronic device, a fixing member such as a bolt or a screw may be inserted through the mounting hole of the housing of the electronic device and into the through hole 10400 of the first fixing portion 1040, so that it may be further ensured that the key holder 104 may be stably mounted on the electronic device.

Further, the key body 102 includes a key pad 1020, and a limiting frame 1042 is used for accommodating the key pad 1020 and fixing the key pad 1020 in the limiting frame 1042.

Specifically, the keypad 1020 may include a plurality of silicone keys, and the limiting frame 1042 is provided with a plurality of receiving slots corresponding to the silicone keys one by one, and the receiving slots are used for receiving the silicone keys and protruding the silicone keys to a side of the key support 104 opposite to the key body 102. It can be understood that, in the plurality of silicone keys, each combination of the silicone keys and a part of the silicone keys can implement corresponding functions, such as a numeric key, an on-off key, a restart key, and the like.

Further, the key body 102 includes a recessed tab 1022, the recessed tab 1022 is located on a side of the key pad 1020 facing the key circuit board 100, and the recessed tab 1022 is attached to the key circuit board 100. The dimple 1022 is arranged between the key circuit board 100 and the key pad 1020, the dimple 1022 serves as a conductive point, when the key pad 1020 is pressed, the corresponding position of the dimple 1022 is driven to be concave, and the dimple contacts with a circuit on the key circuit board 100, so that a loop is formed, current passes through, and the whole electronic device can work normally. In addition, in order to facilitate assembly or replacement of a portion of the silicone keys in the keypad 1020, the keypad 1020 may also be formed by arranging a plurality of individual silicone keys on an integral fixing frame, and corresponding to the combination form of the keypad 1020, the socket tabs 1022 may also be arranged by a plurality of individual metal elastic pieces in the same manner, and stick together them.

Further, a double-sided tape (not shown) is disposed between the dimple 1022 and the key circuit board 100, and the double-sided tape is disposed along the edge of the key circuit board 100, so that the joint of the dimple 1022 and the key circuit board 100 is sealed. By arranging a circle of double faced adhesive tape along the edge of the key circuit board 100, when the nest tabs 1022 are attached to the key circuit board 100, the double faced adhesive tape can ensure the sealing effect between the nest tabs 1022 and the key circuit board 100, prevent moisture in the environment where the key assembly 10 is located from entering the key assembly 10, and prevent the moisture from contacting the key circuit board 100 to cause circuit faults thereof.

As an implementation manner, the key circuit board 100, the loop 1022, the key pad 1020 and the key support 104 are all provided with a sound transmission hole 1000. It can be understood that the size and position of the sound holes 1000 on the key circuit board 100 need to be set in consideration of the arrangement of the circuit on the key circuit board 100, and the size and position of the sound holes 1000 on the key sheet 1022, the key pad 1020 and the key support 104 need to be set in consideration of both the size and position of the sound holes 1000 on the key circuit board 100 and the sound transmission effect of the key assembly 10. In addition, the shape of the sound transmission hole 1000 may be set according to actual requirements, and may be, for example, a circular hole, a rectangular hole, or an oblong hole or a trapezoidal hole as shown in fig. 1.

In addition, besides that a circle of double-sided adhesive tape is arranged along the edge of the key circuit board 100 to seal the joint of the dimple 1022 and the key circuit board 100, a circle of double-sided adhesive tape can also be arranged at the edge of each sound transmission hole 1000 on the key circuit board 100, so that when the dimple 1022 and the key circuit board 100 are jointed, the double-sided adhesive tape at the edge of the sound transmission hole 1000 on the key circuit board 100 can further ensure the sealing effect between the dimple 1022 and the key circuit board 100, and prevent the moisture in the environment where the key assembly 10 is located from entering the key circuit board 100 through the key support 104, the key disc 1020, the dimple 1022 and the sound transmission holes 1000 communicated with the key circuit board 100, thereby realizing that the waterproof grade of the key assembly 10 reaches IP68, namely the highest grade of the connector waterproof grade standard.

Further, the key assembly 10 may further include a speaker mesh 106, where the speaker mesh 106 is disposed between the key pad 1020 and the key holder 104 for preventing impurities from entering the key assembly 10 through the sound transmission hole 1000. It can be understood that a small amount of impurities can enter the key assembly 10 through the key holder 104 and the sound holes 1000 on the key pad 1020, and dust or other impurities are difficult to enter the key assembly 10 by being isolated by the speaker mesh 106, so as to avoid affecting the normal operation of the key assembly 10.

It can be understood that the key circuit board 100, the socket tabs 1022 and the key pad 1020 are respectively provided with a notch 1002 at a position corresponding to the first fixing portion 1040 and the second fixing portion 1044, and the notch 1002 is used for the first fixing portion 1040 and the second fixing portion 1044 to pass through so as to be inserted into a card slot on a front shell of the electronic device. Because the key circuit board 100, the socket tabs 1022 and the key pad 1020 are arranged between the key support 104 and the face shell of the electronic device, the key circuit board 100, the socket tabs 1022 and the key pad 1020 are provided with the notches 1002 at positions corresponding to the first fixing portion 1040 and the second fixing portion 1044 on the key circuit board 100, the socket tabs 1022 and the key pad 1020, so that the first fixing portion 1040 and the second fixing portion 1044 can be prevented from being obstructed by the key circuit board 100, the socket tabs 1022 and the key pad 1020, and the key support 104 can be more conveniently mounted and dismounted.

In addition, the present application further includes an electronic device, please refer to fig. 3 and fig. 4, where fig. 3 is a schematic structural diagram of an embodiment of the electronic device of the present application, and fig. 4 is a detailed structural diagram of the device body in fig. 3. The electronic device of the present embodiment includes key assembly 10 in the above-described embodiment. Please refer to the above embodiments for the key assembly 10 of the electronic device.

Further, the electronic device further includes: the equipment body 20, the equipment body 20 includes the body 200, set up in the loudspeaker assembly 202 of the body 200 and locate at the shell 204 of the surface of body 200, the shell 204 locates at the side of sound-producing surface of the loudspeaker assembly 202; the key assembly 10 is disposed on a side of the face shell 204 opposite to the speaker assembly 202.

In this embodiment, the key support in the key assembly 10 is detachably connected to the face shell 204, and when the key support is fixedly connected to the face shell 204, the key body in the key assembly 10 can be fixedly attached to one side of the key circuit board opposite to the face shell 204 by using the limiting frame, so that the key body can be conveniently mounted on the device body 20; and because the key-press bracket is inserted into the clamping groove 2040 on the face shell 204 through the first fixing part and the second fixing part respectively to realize the detachable connection with the face shell 204, the key-press body can be replaced only after the key-press bracket is detached from the face shell 204, so that the electronic equipment is convenient to install and maintain, and the installation and maintenance cost is low.

In addition, the housing 200 of the electronic device is provided with a mounting hole 2000, and when the first fixing portion of the key holder is inserted into the slot 2040 of the front shell 204 of the electronic device, the through hole of the first fixing portion is communicated with the mounting hole 2000 of the housing 200, so that a fixing member such as a plug or a screw can be inserted through the mounting hole 2000 of the housing 200 of the electronic device and into the through hole of the first fixing portion, thereby further ensuring that the key holder can be stably mounted on the electronic device.

Specifically, the electronic device may be an interphone, an automobile center console, or the like having a key device.

In the process of mounting the electronic device, first, the key circuit board is fixed to the face case 204 of the device body 20; then, arranging a circle of double-faced adhesive tape along the edge of the key circuit board, and attaching the nest sub-piece to the key circuit board through the double-faced adhesive tape; assembling a keyboard on the nest sub-piece; and finally, the key support is fixed with the face shell 204 through the first fixing part and the second fixing part of the key support, and the keyboard is fixed between the nest dome and the key support through the limiting frame of the key support, so that the whole electronic equipment is installed.

In the several embodiments provided in the present application, it should be understood that the disclosed key assembly and electronic device can be implemented in other manners. For example, the key assembly and the electronic device embodiments described above are only schematic, the division of each functional part is only one logical functional division, and there may be another division in actual implementation, for example, multiple functional parts may be combined or integrated into several modules, or each functional part may exist alone physically, and so on.

The above description is only an embodiment of the present application, and not intended to limit the scope of the present application, and all modifications that can be made by using equivalent structures or equivalent principles in the contents of the specification and the drawings or directly or indirectly applied to other related technical fields are also included in the scope of the present application.

Claims

1. A key assembly, wherein the key assembly is configured to be disposed on an electronic device, the key assembly comprising:

the key circuit board is fixedly arranged on a face shell of the electronic equipment;

the key body is arranged on one side of the key circuit board, which is back to the face shell;

the key support, the key support sets up the button body is to one side of key circuit board, the key support includes spacing frame and is located first fixed part and second fixed part on the spacing frame, first fixed part certainly spacing frame is to being close to key circuit board one side is extended, the second fixed part certainly spacing frame outwards extends, just the extending direction of second fixed part with the extending direction of first fixed part is perpendicular, first fixed part with the second fixed part is used for inserting respectively and arranges in draw-in groove on electronic equipment's the face-piece, so that the key support can dismantle connect in electronic equipment's face-piece, spacing frame be used for with the button body is spacing the key circuit board is to one side of face-piece.

2. The key assembly of claim 1,

the first fixing part set up in the first side of spacing frame, the second fixing part has a plurality ofly, and is a plurality of the second fixing part set up respectively in with adjacent and relative second limit, third limit and the fourth side in the first side of spacing frame.

3. The key assembly of claim 1,

the first fixing part is provided with a through hole, the opening direction of the through hole is perpendicular to the extending direction of the first fixing part, and when the first fixing part is inserted into a clamping groove in a face shell of the electronic equipment, the through hole is communicated with a mounting hole in a shell of the electronic equipment.

4. The key assembly of claim 1,

the key body comprises a key disc, and the limiting frame is used for accommodating the key disc and fixing the key disc in the limiting frame.

5. The key assembly of claim 4,

the keyboard comprises a plurality of silica gel keys, the limiting frame is provided with a plurality of accommodating grooves corresponding to the silica gel keys one to one, and the accommodating grooves are used for accommodating the silica gel keys and enabling the silica gel keys to be convexly exposed on the back of the key support to one side of the key body.

6. The key assembly of claim 4,

the button body includes the nest son piece, the nest son piece is located the keyboard orientation one side of button circuit board, the nest son piece with button circuit board laminating.

7. The key assembly of claim 6,

and a double-faced adhesive tape is arranged between the nest sub-piece and the key circuit board and along the edge of the key circuit board, so that the joint of the nest sub-piece and the key circuit board is sealed.

8. The key assembly of claim 6,

the key circuit board, the nest segment, the key disc and the key support are all provided with communicated sound transmission holes.

9. The key assembly according to claim 8, further comprising a speaker mesh disposed between said key pad and said key support for preventing foreign materials from entering the interior of said key assembly through said sound transmission hole.

10. The key assembly of claim 6,

the key circuit board, the socket tabs and the key disc are provided with openings corresponding to the first fixing part and the second fixing part, and the openings are used for allowing the first fixing part and the second fixing part to penetrate through so as to be inserted into the clamping grooves on the face shell of the electronic equipment.

11. An electronic device, characterized in that it comprises a key assembly according to any one of claims 1 to 10.

12. The electronic device of claim 11, further comprising:

the equipment body comprises a shell, a loudspeaker assembly arranged in the shell and a face shell positioned on the surface of the shell, wherein the face shell is positioned on one side of a sound outlet surface of the loudspeaker assembly; the key assembly is arranged on one side of the face shell back to the horn assembly.