WO2020258288A1 - 一种按键组件和电子设备 - Google Patents

一种按键组件和电子设备 Download PDF

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Publication number
WO2020258288A1
WO2020258288A1 PCT/CN2019/093842 CN2019093842W WO2020258288A1 WO 2020258288 A1 WO2020258288 A1 WO 2020258288A1 CN 2019093842 W CN2019093842 W CN 2019093842W WO 2020258288 A1 WO2020258288 A1 WO 2020258288A1
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WO
WIPO (PCT)
Prior art keywords
key
button
circuit board
electronic device
assembly
Prior art date
Application number
PCT/CN2019/093842
Other languages
English (en)
French (fr)
Inventor
付松林
孔凡磷
Original Assignee
海能达通信股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 海能达通信股份有限公司 filed Critical 海能达通信股份有限公司
Priority to EP23184604.9A priority Critical patent/EP4250326A3/de
Priority to EP19934819.4A priority patent/EP3993003B1/de
Priority to CN202410483104.6A priority patent/CN118366810A/zh
Priority to PCT/CN2019/093842 priority patent/WO2020258288A1/zh
Priority to CN201980097993.XA priority patent/CN114026667A/zh
Publication of WO2020258288A1 publication Critical patent/WO2020258288A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/86—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/034—Bezel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/022—Telephone handset

Definitions

  • This application relates to the technical field of electronic equipment, and in particular to a key assembly and electronic equipment.
  • the first is the ultrasonic fixed connection between the face shell and the face cover.
  • the silicone button is located between the face shell and the face cover.
  • the second is to install the buttons “from the inside to the outside”.
  • the silicone buttons need to be removed, the main unit of the walkie-talkie needs to be Disassembling, disassembling and assembling the host is more complicated;
  • the third type is applied to the buttons (P+R buttons) composed of plastic and silicone, and the P+R buttons are fixed to the shell by buckles or screws.
  • the main technical problem to be solved by this application is to provide a key assembly and electronic equipment, which can quickly install or replace the key body in the key assembly, and facilitate the installation and maintenance of the electronic equipment.
  • a technical solution adopted in this application is to provide a key assembly, the key assembly is used to be arranged on an electronic device, the key assembly includes: a key circuit board, the key circuit board is used for fixing Is arranged on the face shell of the electronic device; the button body is arranged on the side of the button circuit board facing away from the face shell; the button bracket is arranged on the button body facing away from the On one side of the button circuit board, the button bracket includes a limit frame and a first fixing part and a second fixing part on the limit frame. The first fixing part approaches the limit frame from the limit frame.
  • the second fixing portion extends outward from the limit frame, and the extension direction of the second fixing portion is perpendicular to the extension direction of the first fixing portion, and the first fixing Part and the second fixing part are used for inserting into the card slots on the face shell of the electronic device, so that the key support is detachably connected to the face shell of the electronic device, and the limit frame is used for To limit the button body on the side of the button circuit board facing away from the face shell.
  • Another technical solution adopted in this application is to provide an electronic device including the above-mentioned key assembly.
  • the key assembly of the present application includes a key circuit board, a key body provided on one side of the key circuit board, and a key provided on the side of the key body opposite to the key circuit board
  • the bracket because the button circuit board is used to fix the electronic device on the cover, the button bracket includes a limit frame and a first fixing part and a second fixing part on the limit frame.
  • the first fixing part is oriented from the limit frame.
  • the second fixing part extends outward from the limit frame, and the extension direction of the second fixing part is perpendicular to the extension direction of the first fixing part, and is inserted through the first fixing part and the second fixing part respectively.
  • the card slot is placed on the face shell of the electronic device to realize the detachable connection of the button bracket and the face shell of the electronic device, so that when the button bracket is fixedly connected with the face shell of the electronic device, the button body can be fixed and attached to the button body by the limit frame.
  • the button circuit board is opposite to the side of the shell, which makes the button body easier to install to the electronic device; and because the button bracket is detachably connected to the shell of the electronic device through the first fixing part and the second fixing part, only The button body can be replaced after the button bracket is removed from the face shell, which is convenient for the installation and maintenance of electronic equipment.
  • FIG. 1 is a schematic structural diagram of an embodiment of the key assembly of the present application
  • Fig. 2 is a detailed structural diagram of the key support in Fig. 1;
  • FIG. 3 is a schematic structural diagram of an embodiment of the electronic device of the present application.
  • Fig. 4 is a detailed structural diagram of the device body in Fig. 3.
  • FIG. 1 is a schematic structural diagram of an embodiment of the key assembly of the present application
  • FIG. 2 is a detailed structural schematic diagram of the key support in FIG.
  • the key assembly 10 of the present application is used to be installed on an electronic device.
  • the key assembly 10 of this embodiment includes: a key circuit board 100, which is used to be fixedly arranged on a face shell of an electronic device; a key body 102, a key body 102 is arranged on the side of the button circuit board 100 opposite to the shell; the button bracket 104, the button bracket 104 is arranged on the side of the button body 102 opposite to the button circuit board 100, the button bracket 104 includes a limit frame 1042 and a limit frame 1042
  • the extension direction of the two fixing portions 1044 is perpendicular to the extension direction of the first fixing portion 1040.
  • the first fixing portion 1040 and the second fixing portion 1044 are respectively inserted into the slots on the face shell of the electronic device, so that the button bracket 104 It is detachably connected to the face shell of the electronic device, and the limiting frame 1042 is used for limiting the button body 102 on the side of the button circuit board 100 opposite to the face shell.
  • the button circuit board 100 can be fixedly arranged on the face shell of the electronic device by means of snaps, and the button circuit board 100 can also be integrally formed on the face shell of the electronic device; the button body 102 is arranged on the button circuit board 100 On the side opposite to the shell, the key support 104 is arranged on the side of the key body 102 facing away from the key circuit board 100.
  • the key holder 104 since the key holder 104 includes a first fixing portion 1040, a second fixing portion 1044, and a limit frame 1042, the first fixing portion 1040 and the second fixing portion 1044 are detachably connected to the cover of the electronic device, and the key
  • the bracket 104 is fixedly connected to the face shell of the electronic device
  • the button body 102 can be fixedly attached to the side of the button circuit board 100 opposite to the face shell by using the limit frame 1042, so that the button body 102 is more convenient to install on the electronic device; and Since the key holder 104 is detachably connected to the face shell of the electronic device through the first fixing part 1040 and the second fixing part 1044, the key body 102 can be replaced only after the key holder 104 is removed from the face shell, which is convenient for electronics. Installation and maintenance of equipment.
  • the first fixing portion 1040 is disposed on the first side of the limiting frame 1042, there are multiple second fixing portions 1044, and the multiple second fixing portions 1044 are respectively disposed on the first side of the limiting frame 1042. Adjacent and opposite sides of the second, third, and fourth sides. It is understandable that the first fixing portion 1040 and the second fixing portion 1044 may be clamping members, and the face shell of the electronic device is provided with the first fixing portion 1040 and the second fixing portion 1044 of the key holder 104 respectively.
  • the first fixing portion 1040 is provided with a through hole 10400, and the opening direction of the through hole 10400 is perpendicular to the extending direction of the first fixing portion 1040.
  • the through hole 10400 communicates with the mounting hole on the housing of the electronic device. It is understandable that when the first fixing portion 1040 is inserted into the card slot on the face shell of the electronic device, since the through hole 10400 communicates with the mounting hole on the housing of the electronic device, the fixing parts such as pins or screws can be inserted. It passes through the mounting hole on the housing of the electronic device and is inserted into the through hole 10400 on the first fixing portion 1040, so as to further ensure that the key holder 104 can be firmly installed on the electronic device.
  • the key body 102 includes a pressing keyboard 1020, and the limit frame 1042 is used for accommodating the pressing keyboard 1020 and fixing the pressing keyboard 1020 in the limit frame 1042.
  • the keyboard 1020 may include a number of silicone buttons.
  • the limit frame 1042 is provided with a number of receiving slots corresponding to the number of silicone buttons one-to-one.
  • the receiving slots are used to accommodate the silicone buttons and expose the silicone buttons to the back of the button holder 104.
  • One side of the button body 102 It is understandable that, among several silicone buttons, each silicone button and a combination of some silicone buttons can realize corresponding functions, such as number keys, switch keys, and restart keys.
  • the button body 102 includes a nest piece 1022, which is located on the side of the keyboard 1020 facing the button circuit board 100, and the nest piece 1022 is attached to the button circuit board 100. Between the button circuit board 100 and the keyboard 1020, a nest piece 1022 is provided. The nest piece 1022 is used as a conductive point. When the keyboard 1020 is pressed, the corresponding position of the nest piece 1022 will be concave and touch the button circuit board. The circuit on the 100, thus forming a loop, the current passes through, and the entire electronic device can work normally.
  • the keyboard 1020 can also be formed by arranging a plurality of individual silicone buttons on an integral fixing frame, which corresponds to the combination of the keyboard 1020
  • the nest piece 1022 can also be arranged in the same manner by a plurality of separate metal shrapnels, and they are glued together.
  • a double-sided tape (not shown) is arranged between the nest sheet 1022 and the key circuit board 100, and the double-sided tape is arranged along the edge of the button circuit board 100, so that the nest sheet 1022 and the key circuit board 100 are attached to each other. The joint is sealed.
  • the double-sided tape can ensure the sealing effect between the nest sheet 1022 and the key circuit board 100 when the nest sheet 1022 is attached to the key circuit board 100. Prevent the 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 its circuit failure.
  • the key circuit board 100, the nest piece 1022, the key pad 1020, and the key support 104 are all provided with communicating sound holes 1000. It is understandable that the size and position of the sound-transmitting hole 1000 on the key circuit board 100 need to take into account the layout of the circuit on the key circuit board 100, and the wuzai piece 1022, the keyboard 1020 and the sound-transmitting hole on the key support 104 The size and position of the hole 1000 should not only correspond to the size and position of the sound transmission hole 1000 on the key circuit board 100, but also the sound transmission effect of the key assembly 10 should be considered. In addition, the shape of the sound transmission hole 1000 can be set according to actual requirements, for example, it can be a circular hole, a rectangular hole, or an oblong hole or a trapezoidal hole as shown in FIG. 1.
  • the key assembly 10 may further include a speaker net 106, which is arranged between the key pad 1020 and the key support 104 to prevent debris from entering the key assembly 10 through the sound hole 1000. It is understandable that a small amount of debris will enter the key assembly 10 through the key support 104 and the sound-permeable hole 1000 on the keyboard 1020, and isolation by the speaker net 106 makes it difficult for dust or other debris to enter the key assembly 10 , To avoid affecting the normal operation of the key assembly 10.
  • a speaker net 106 is arranged between the key pad 1020 and the key support 104 to prevent debris from entering the key assembly 10 through the sound hole 1000. It is understandable that a small amount of debris will enter the key assembly 10 through the key support 104 and the sound-permeable hole 1000 on the keyboard 1020, and isolation by the speaker net 106 makes it difficult for dust or other debris to enter the key assembly 10 , To avoid affecting the normal operation of the key assembly 10.
  • the key circuit board 100, the nest piece 1022, and the position on the keyboard 1020 corresponding to the first fixing portion 1040 and the second fixing portion 1044 are all provided with a gap 1002, and the gap 1002 is used for the first fixing portion. 1040 and the second fixing portion 1044 pass through to be inserted into the card slot on the face shell of the electronic device.
  • the key circuit board 100, the nest piece 1022, and keyboard 1020 are connected to the first
  • the corresponding positions of the fixing portion 1040 and the second fixing portion 1044 are provided with a gap 1002, which can prevent the key circuit board 100, the nest piece 1022 and the keyboard 1020 from preventing the first fixing portion 1040 and the second fixing portion 1044 from being inserted into the surface of the electronic device.
  • the card slot on the shell makes the installation and removal of the button bracket 104 more convenient.
  • this application also includes an electronic device. Please refer to FIGS. 3 and 4, where FIG. 3 is a schematic structural diagram of an embodiment of the electronic device of this application, and FIG. 4 is a detailed structural schematic diagram of the device body in FIG.
  • the electronic device of this embodiment includes the key assembly 10 in the above embodiment.
  • the key assembly 10 of the electronic device please refer to the content in the foregoing embodiment.
  • the electronic device further includes: a device body 20, which includes a housing 200, a horn assembly 202 arranged inside the housing 200, and a face shell 204 located on the surface of the housing 200.
  • the face shell 204 is located at the exit of the horn assembly 202.
  • Acoustic side; the button assembly 10 is arranged on the side of the shell 204 facing away from the speaker assembly 202.
  • the key holder in the key assembly 10 is detachably connected to the face shell 204, and when the key holder is fixedly connected to the face shell 204, the limit frame can be used to fix the key body in the key assembly 10 to
  • the button circuit board is opposite to the side of the shell 204, which makes it more convenient to install the button body to the device body 20; and because the button bracket is inserted into the card slot on the shell 204 through the first fixing part and the second fixing part, respectively 2040 realizes the detachable connection with the face shell 204, so the button body can be replaced only after the button bracket is removed from the face shell 204, which makes the installation and maintenance of the electronic equipment convenient and low installation and maintenance costs.
  • the housing 200 of the electronic device is provided with a mounting hole 2000, and when the first fixing part of the key holder is inserted into the card slot 2040 on the face shell 204 of the electronic device, the through hole on the first fixing part and the housing
  • the mounting holes 2000 on the body 200 are communicated, so that fixing parts such as pins or screws can be inserted through the mounting holes 2000 on the housing 200 of the electronic device and inserted into the through holes on the first fixing part, so as to further ensure the keys
  • the bracket can be firmly installed on the electronic device.
  • the electronic device may be a device with a button device such as a walkie-talkie, an automobile center console, and the like.
  • the button circuit board During the installation process of the electronic device, firstly, fix the button circuit board to the face shell 204 of the device body 20; then set a circle of double-sided tape along the edge of the button circuit board, and connect the socket sheet to the button circuit through the double-sided tape.
  • the board is attached; then the keyboard is assembled on the nest sheet; finally the button bracket is fixed to the face shell 204 through the first and second fixing portions of the button bracket, and the keyboard is fixed in the socket by the limit frame of the button bracket.
  • the disclosed key assembly and electronic device may be implemented in other ways.
  • the implementation of the button assembly and the electronic device described above is only illustrative, and the division of each functional part is only a logical function division.
  • there may be other division methods for example, multiple functional parts may be combined. Or it can be integrated into several modules, or each functional part can exist separately and physically.

Landscapes

  • Push-Button Switches (AREA)
  • Telephone Set Structure (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Casings For Electric Apparatus (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

本申请公开了一种按键组件和电子设备，该按键组件用于设置在电子设备上，包括：按键电路板，用于固定设置在电子设备的面壳上；按键体，设置在按键电路板背对面壳的一侧；按键支架，设置在按键体背对按键电路板的一侧，包括限位框、第一固定部和第二固定部，第一固定部自限位框向靠近按键电路板一侧延伸，第二固定部自限位框向外延伸，且第二固定部的延伸方向与第一固定部的延伸方向垂直，第一固定部和第二固定部用于分别插置于电子设备的面壳上的卡槽，以使按键支架可拆卸连接于电子设备的面壳，限位框用于将按键体限位在按键电路板背对面壳的一侧。通过上述方式，本申请能够快速对按键组件中的按键体进行安装或更换，便于电子设备的安装和维修。

Description

一种按键组件和电子设备 【技术领域】
本申请涉及电子设备技术领域，特别是涉及一种按键组件和电子设备。
【背景技术】
现有电子设备的设计越来越紧凑，其防水性能、声学性能、装配成本、维修成本都需要考虑。
以对讲机为例，目前对讲机的正面结构主要有3种：第一种是面壳与面盖超声波固定连接，这种连接方式中硅胶按键位于面壳与面盖之间，当需要拆换硅胶按键时，需要破坏面盖，或者更换整个面壳组件，维修成本过高；第二种是按键“由内向外”安装，这种连接方式中，当需要拆换硅胶按键时，需要将对讲机的主机拆开，拆卸和装配主机较复杂；第三种是应用于塑胶和硅胶结合组成的按键(P+R按键)，将P+R按键通过卡扣或螺丝固定到面壳上，这种方式在需要拆换按键时也需要将主机拆开，并且在安装时需要从内部采用点胶方式进行防水处理，装配较复杂。
【发明内容】
本申请主要解决的技术问题是提供一种按键组件和电子设备，能够快速对按键组件中的按键体进行安装或更换，便于电子设备的安装和维修。
为解决上述技术问题，本申请采用的一个技术方案是提供一种按键组件，所述按键组件用于设置在电子设备上，所述按键组件包括：按键电路板，所述按键电路板用于固定设置在电子设备的面壳上；按键体，所述按键体设置在所述按键电路板背对所述面壳的一侧；按键支架，所述按键支架设置在所述按键体背对所述按键电路板的一侧，所述按键支架包括限位框以及位于所述限位框上的第一固定部和第二固定部，所述第一固定部自所述限位框向靠近所述按键电路板一侧延伸，所述第二固定部自所述限位框向外延伸，且所述第二固定部的延伸方向与所述第一固定部的延伸方向垂直，所述第一固定部和所述第二固定部用于分别插置于所述电子设备的面壳上的卡槽，以使所述按键支架可拆卸连接于所述电子设备的面壳，所述限位框用于将所述按键体限位在所述按键电 路板背对所述面壳的一侧。
为解决上述技术问题，本申请采用的另一个技术方案是提供一种电子设备，包括如上所述的按键组件。
本申请的有益效果是：区别于现有技术的情况，本申请的按键组件包括按键电路板、设置在按键电路板一侧的按键体以及设置在按键体背对按键电路板的一侧的按键支架，由于按键电路板用于固定设置在电子设备的面壳上，按键支架包括限位框以及位于限位框上的第一固定部和第二固定部，第一固定部自限位框向靠近按键电路板一侧延伸，第二固定部自限位框向外延伸，且第二固定部的延伸方向与第一固定部的延伸方向垂直，通过第一固定部和第二固定部分别插置于电子设备的面壳上的卡槽，以实现按键支架与电子设备的面壳可拆卸连接，使得按键支架与电子设备的面壳固定连接时可以利用限位框将按键体固定贴附在按键电路板背对面壳的一侧，使得按键体在安装到电子设备时较方便；并且由于按键支架通过第一固定部和第二固定部与电子设备的面壳可拆卸连接，因此只需要将按键支架从面壳上拆除后就可以对按键体进行更换，便于电子设备的安装和维修。
【附图说明】
图1是本申请按键组件一实施方式的结构示意图；
图2是图1中的按键支架的详细结构示意图；
图3是本申请电子设备一实施方式的结构示意图；
图4是图3中的设备本体的详细结构示意图。
【具体实施方式】
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，均属于本申请保护的范围。
请参阅图1和图2，其中，图1是本申请按键组件一实施方式的结构示意图，图2是图1中的按键支架的详细结构示意图。本申请的按键组件10用于设置在电子设备上，本实施方式的按键组件10包括：按键电路板100，按键电路板100 用于固定设置在电子设备的面壳上；按键体102，按键体102设置在按键电路板100背对面壳的一侧；按键支架104，按键支架104设置在按键体102背对按键电路板100的一侧，按键支架104包括限位框1042以及位于限位框1042上的第一固定部1040和第二固定部1044，第一固定部1040自限位框1042向靠近按键电路板100一侧延伸，第二固定部1044自限位框1042向外延伸，且第二固定部1044的延伸方向与第一固定部1040的延伸方向垂直，第一固定部1040和第二固定部1044用于分别插置于电子设备的面壳上的卡槽，以使按键支架104可拆卸连接于电子设备的面壳，限位框1042用于将按键体102限位在按键电路板100背对面壳的一侧。
可以理解的是，按键电路板100可以通过卡扣的方式固定设置在电子设备的面壳上，按键电路板100也可以一体成型于电子设备的面壳上；按键体102设置在按键电路板100背对面壳的一侧，按键支架104设置在按键体102背对按键电路板100的一侧。本实施方式中，由于按键支架104包括第一固定部1040、第二固定部1044和限位框1042，通过第一固定部1040和第二固定部1044与电子设备的面壳可拆卸连接，按键支架104与电子设备的面壳固定连接时可以利用限位框1042将按键体102固定贴附在按键电路板100背对面壳的一侧，使得按键体102在安装到电子设备时较方便；并且由于按键支架104通过第一固定部1040和第二固定部1044与电子设备的面壳可拆卸连接，因此只需要将按键支架104从面壳上拆除后就可以对按键体102进行更换，便于电子设备的安装和维修。
作为一种可实施方式，第一固定部1040设置于限位框1042的第一边，第二固定部1044有多个，多个第二固定部1044分别设置于与限位框1042的第一边相邻及相对的第二边、第三边和第四边。可以理解的是，第一固定部1040和第二固定部1044可以为卡接件，而在电子设备的面壳上设置有分别与按键支架104的第一固定部1040和第二固定部1044相配合的卡槽，在安装时，直接将第一固定部1040和第二固定部1044插入卡槽即可实现按键支架104与电子设备的面壳之间的固定，而在拆卸时，直接将第一固定部1040和第二固定部1044从卡槽中拔出即可实现将按键支架104自电子设备的面壳上拆卸，便于对按键体102进行组装和更换，从而便于电子设备的安装和维修。
进一步地，第一固定部1040上设置有通孔10400，通孔10400的开设方向垂直于第一固定部1040的延伸方向，当第一固定部1040插置于电子设备的面 壳上的卡槽时，通孔10400与电子设备的壳体上的安装孔相通。可以理解的是，当第一固定部1040插置于电子设备的面壳上的卡槽时，由于通孔10400与电子设备的壳体上的安装孔相通，因此可以将插销或者螺丝等固定件穿过电子设备的壳体上的安装孔并插置于第一固定部1040上的通孔10400中，从而可以进一步保证按键支架104可以稳固的安装在电子设备上。
进一步地，按键体102包括按键盘1020，限位框1042用于容置按键盘1020并固定按键盘1020于限位框1042内。
具体地，按键盘1020可以包括若干硅胶按键，限位框1042设置有与若干硅胶按键一一对应的若干收容槽，收容槽用于容置硅胶按键并使硅胶按键凸露于按键支架104背对按键体102的一侧。可以理解的是，若干硅胶按键中，每个硅胶按键以及部分硅胶按键的组合可以实现对应的功能，例如数字键、开关键以及重启键等。
进一步地，按键体102包括窝仔片1022，窝仔片1022位于按键盘1020朝向按键电路板100的一侧，窝仔片1022与按键电路板100相贴合。在按键电路板100以及按键盘1020之间设置窝仔片1022，窝仔片1022作为导电点，当按键盘1020受到按压时，会带动窝仔片1022的对应位置下凹，接触到按键电路板100上的电路，从而形成回路，电流通过，整个电子设备得以正常工作。另外，为了方便组装或者更换按键盘1020中的部分硅胶按键，按键盘1020也可以是由多个单独的硅胶按键排布在一个整体的固定架上而形成的，而对应于按键盘1020的组合形式，窝仔片1022也可以由多个单独的金属弹片采用相同的方式排列，并将它们贴合在一起。
进一步地，窝仔片1022与按键电路板100之间设置有双面胶(图未示)，双面胶沿按键电路板100的边缘设置，以使窝仔片1022与按键电路板100的贴合处密封设置。通过沿按键电路板100的边缘设置一圈双面胶，在窝仔片1022与按键电路板100的贴合时，双面胶可以保证窝仔片1022与按键电路板100之间的密封效果，避免按键组件10所处的环境中的水分进入按键组件10中，防止水分接触按键电路板100导致其电路故障。
作为一种可实施方式，按键电路板100、窝仔片1022、按键盘1020以及按键支架104上均开设有相通的透音孔1000。可以理解的是，按键电路板100上的透音孔1000的大小以及位置的设置需要考虑到按键电路板100上电路的布置，而窝仔片1022、按键盘1020以及按键支架104上的透音孔1000的大小以 及位置的设置既要考虑与按键电路板100上的透音孔1000的大小以及位置相对应，又要考虑到按键组件10的透音效果。另外，透音孔1000的形状可以根据实际需求进行设置，例如可以为圆形孔，矩形孔，也可以是如图1中所示的长圆形孔或梯形孔等等。
另外，除了沿按键电路板100的边缘设置一圈双面胶以使窝仔片1022与按键电路板100的贴合处密封外，还可以在按键电路板100上的每个透音孔1000的边缘也设置一圈双面胶，使得在窝仔片1022与按键电路板100的贴合时，位于按键电路板100上的透音孔1000的边缘的双面胶可以进一步保证窝仔片1022与按键电路板100之间的密封效果，防止按键组件10所处的环境中的水分通过按键支架104、按键盘1020、窝仔片1022以及按键电路板100上相通的透音孔1000进入按键电路板100，从而可以实现按键组件10的防水等级达到IP68，即连接器防水等级标准的最高级别。
进一步地，按键组件10还可以包括喇叭网106，喇叭网106设置在按键盘1020和按键支架104之间，用于防止杂物通过透音孔1000进入按键组件10内部。可以理解的是，微量杂物会通过按键支架104以及按键盘1020上的透音孔1000进入按键组件10中，通过用喇叭网106隔离，使灰尘或者其他杂物很难进入到按键组件10内部，避免影响到按键组件10的正常工作。
可以理解的是，按键电路板100、窝仔片1022以及按键盘1020上与第一固定部1040和第二固定部1044相对应的位置均开设有豁口1002，豁口1002用于供第一固定部1040和第二固定部1044穿过以插置于电子设备的面壳上的卡槽。由于按键支架104与电子设备的面壳之间还存在有按键电路板100、窝仔片1022以及按键盘1020等部分，通过在按键电路板100、窝仔片1022以及按键盘1020上与第一固定部1040和第二固定部1044相对应的位置均开设豁口1002，可以防止按键电路板100、窝仔片1022以及按键盘1020妨碍第一固定部1040和第二固定部1044插入电子设备的面壳上的卡槽，使按键支架104的安装和拆卸更方便。
另外，本申请还包括一种电子设备，请参阅图3和图4，其中，图3是本申请电子设备一实施方式的结构示意图，图4是图3中的设备本体的详细结构示意图。本实施方式的电子设备包括上述实施方式中的按键组件10。关于电子设备的按键组件10请参阅上述实施方式中的内容。
进一步地，电子设备还包括：设备本体20，设备本体20包括壳体200、设 置于壳体200内部的喇叭组件202以及位于壳体200表面的面壳204，面壳204位于喇叭组件202的出声面一侧；按键组件10设置于面壳204背对喇叭组件202的一侧。
本实施方式中，通过按键组件10中的按键支架与面壳204可拆卸连接，而按键支架在与面壳204固定连接时可以利用其限位框将按键组件10中的按键体固定贴附在按键电路板背对面壳204的一侧，使得在将按键体安装到设备本体20时较方便；并且由于按键支架通过第一固定部和第二固定部分别插置于面壳204上的卡槽2040而实现与面壳204可拆卸连接，因此只需要将按键支架从面壳204上拆除后就可以对按键体进行更换，使得电子设备的安装和维修方便，安装和维修成本较低。
另外，电子设备的壳体200上设置有安装孔2000，且当按键支架的第一固定部插置于电子设备的面壳204上的卡槽2040时，第一固定部上的通孔与壳体200上的安装孔2000相通，因此可以将插销或者螺丝等固定件穿过电子设备的壳体200上的安装孔2000并插置于第一固定部上的通孔中，从而可以进一步保证按键支架可以稳固的安装在电子设备上。
具体地，该电子设备可以是对讲机、汽车中控台等具有按键装置的设备。
在电子设备的安装过程中，首先，将按键电路板固定到设备本体20的面壳204上；然后沿按键电路板的边缘设置一圈双面胶，将窝仔片通过双面胶与按键电路板贴合；再在窝仔片上装配按键盘；最后通过按键支架的第一固定部和第二固定部使按键支架与面壳204固定，并通过按键支架的限位框将按键盘固定在窝仔片与按键支架之间，完成整个电子设备的安装。
在本申请所提供的几个实施方式中，应该理解到，所揭露的按键组件和电子设备，可以通过其它的方式实现。例如，以上所描述的按键组件和电子设备实施方式仅仅是示意性的，各功能部分的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个功能部分可以结合或者可以集成到若干个模块中，也可以是各个功能部分单独物理存在等等。
以上所述仅为本申请的实施方式，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效原理变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (12)

  1. 一种按键组件，其特征在于，所述按键组件用于设置在电子设备上，所述按键组件包括：
    按键电路板，所述按键电路板用于固定设置在电子设备的面壳上；
    按键体，所述按键体设置在所述按键电路板背对所述面壳的一侧；
    按键支架，所述按键支架设置在所述按键体背对所述按键电路板的一侧，所述按键支架包括限位框以及位于所述限位框上的第一固定部和第二固定部，所述第一固定部自所述限位框向靠近所述按键电路板一侧延伸，所述第二固定部自所述限位框向外延伸，且所述第二固定部的延伸方向与所述第一固定部的延伸方向垂直，所述第一固定部和所述第二固定部用于分别插置于所述电子设备的面壳上的卡槽，以使所述按键支架可拆卸连接于所述电子设备的面壳，所述限位框用于将所述按键体限位在所述按键电路板背对所述面壳的一侧。
  2. 根据权利要求1所述的按键组件，其特征在于，
    所述第一固定部设置于所述限位框的第一边，所述第二固定部有多个，多个所述第二固定部分别设置于与所述限位框的第一边相邻及相对的第二边、第三边和第四边。
  3. 根据权利要求1所述的按键组件，其特征在于，
    所述第一固定部上设置有通孔，所述通孔的开设方向垂直于所述第一固定部的延伸方向，当所述第一固定部插置于所述电子设备的面壳上的卡槽时，所述通孔与电子设备的壳体上的安装孔相通。
  4. 根据权利要求1所述的按键组件，其特征在于，
    所述按键体包括按键盘，所述限位框用于容置所述按键盘并固定所述按键盘于所述限位框内。
  5. 根据权利要求4所述的按键组件，其特征在于，
    所述按键盘包括若干硅胶按键，所述限位框设置与所述若干硅胶按键一一对应的若干收容槽，所述收容槽用于容置所述硅胶按键并使所述硅胶按键凸露于所述按键支架背对所述按键体的一侧。
  6. 根据权利要求4所述的按键组件，其特征在于，
    所述按键体包括窝仔片，所述窝仔片位于所述按键盘朝向所述按键电路板的一侧，所述窝仔片与所述按键电路板相贴合。
  7. 根据权利要求6所述的按键组件，其特征在于，
    所述窝仔片与所述按键电路板之间设置有双面胶，所述双面胶沿所述按键电路板的边缘设置，以使所述窝仔片与所述按键电路板的贴合处密封设置。
  8. 根据权利要求6所述的按键组件，其特征在于，
    所述按键电路板、所述窝仔片、所述按键盘以及所述按键支架上均开设有相通的透音孔。
  9. 根据权利要求8所述的按键组件，其特征在于，还包括喇叭网，所述喇叭网设置在所述按键盘和所述按键支架之间，用于防止杂物通过所述透音孔进入所述按键组件内部。
  10. 根据权利要求6所述的按键组件，其特征在于，
    所述按键电路板、所述窝仔片以及所述按键盘上与所述第一固定部和所述第二固定部相对应的位置均开设有豁口，所述豁口用于供所述第一固定部和所述第二固定部穿过以插置于所述电子设备的面壳上的卡槽。
  11. 一种电子设备，其特征在于，包括权利要求1至10任一项所述的按键组件。
  12. 根据权利要求11所述的电子设备，其特征在于，所述电子设备还包括：
    设备本体，所述设备本体包括壳体、设置于所述壳体内部的喇叭组件以及位于所述壳体表面的面壳，所述面壳位于所述喇叭组件的出声面一侧；所述按键组件设置于所述面壳背对所述喇叭组件的一侧。
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