WO2015192473A1 - 终端侧键防水装置及终端 - Google Patents

终端侧键防水装置及终端 Download PDF

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Publication number
WO2015192473A1
WO2015192473A1 PCT/CN2014/085293 CN2014085293W WO2015192473A1 WO 2015192473 A1 WO2015192473 A1 WO 2015192473A1 CN 2014085293 W CN2014085293 W CN 2014085293W WO 2015192473 A1 WO2015192473 A1 WO 2015192473A1
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WO
WIPO (PCT)
Prior art keywords
circuit board
terminal
side key
waterproof
key circuit
Prior art date
Application number
PCT/CN2014/085293
Other languages
English (en)
French (fr)
Inventor
吴崚
高斌
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to JP2016573867A priority Critical patent/JP6291090B2/ja
Priority to EP14895234.4A priority patent/EP3147922B1/en
Priority to US15/318,675 priority patent/US9875862B2/en
Publication of WO2015192473A1 publication Critical patent/WO2015192473A1/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
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • 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
    • H01H13/02—Details
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3888—Arrangements for carrying or protecting transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0086—Casings, cabinets or drawers for electric apparatus portable, e.g. battery operated apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H2009/048—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings using a sealing boot, e.g. the casing having separate elastic body surrounding the operating member and hermetically closing the opening for it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/022—Telephone handset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • H04M1/236—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof including keys on side or rear faces

Definitions

  • the present invention relates to the field of communications, and in particular to a terminal side key waterproof device and a terminal.
  • FIG. 1 is a schematic structural view of a side key waterproof device in the related art, as shown in FIG. 1 , using soft rubber, steel sheet, plastic The integrated molding is made into a waterproof plug, which is assembled into the housing to protect the water.
  • the plastic part of the waterproof plug is pressed by the side button to switch the switch to the main board; 2) using the two-color injection molding technology, the side key portion is soft
  • the plastic form (TPU) is injection molded on the casing, and the deformation ability of the soft plastic itself is used to provide a deformation space for the side key pressing; 3)
  • the independent key button scheme is used to realize the waterproofness of the button body.
  • the structure of the scheme 1 involves complex processes and high cost of the mold. Currently, this scheme is generally only used in high-end mobile phones, and does not have waterproof phones in various grades. The prospect of application.
  • the structure of the scheme 2 because the side key is molded in the form of soft rubber and the plastic of the outer casing by two-color injection molding technology, has great limitations for the selection and appearance treatment of the side key material, and the side key soft rubber part thereof The hardness has a great influence on the side key feel, and the soft rubber is used as the side key. If the repair is carried out by the puncture of the sharp object, the entire structural member needs to be completely replaced, and the maintenance cost is high.
  • the structure of the scheme 3 although with flexible interchangeability and good appearance processing capability, requires a large design space and is inconvenient for production and assembly, and does not conform to the trend of waterproof miniaturization.
  • the embodiment of the invention provides a terminal side key waterproof device and a terminal, so as to at least solve the problems in the related art that the waterproofing cost, waterproof performance and miniaturization of the terminal cannot be balanced.
  • a terminal side key waterproofing device comprising: a terminal housing (1) with a sidewall hole filled with a terminal side key (3), and a terminal side key circuit board connecting the terminal motherboard (4) a component (2), wherein the terminal side key circuit board component (2) comprises: a side key circuit board (23), a metal arch film (22) fixedly connected to the side key circuit board, and a package a side key circuit board (23) and a metal dome film (22) in an integrated circuit board waterproof ring (21), wherein the side key circuit board (23) and the metal arch film (22) are wrapped
  • the integrated circuit board waterproof ring (21) is interference-engaged with the side wall of the terminal housing (1).
  • terminal housing (1) there is a limiting component for defining the position of the terminal side key circuit board component (2) ( 13).
  • the terminal side key (3) is integrally molded by side key soft rubber (31) and side key hard rubber (32).
  • the main board (4) positioned by the main board positioning hole (41) and the housing positioning post (1) is in contact with the main board supporting side (42) of the side of the terminal side key circuit board part (2).
  • the terminal side key circuit board component (2) is supported.
  • the terminal main board (4) is connected to the terminal side key circuit board component (2) by wire bonding or flexible circuit board FPC connection.
  • the circuit board waterproof ring (21) is a waterproof silicone ring.
  • the metal dome film (22) is replaced with a flexible printed circuit board FPC.
  • a terminal comprising one or more of the terminal side key waterproofing devices of any of the above.
  • the terminal is a mobile phone.
  • the solution of the embodiment of the present invention solves the problem that the waterproofing cost, the waterproof performance, and the miniaturization of the terminal cannot be balanced in the related art, thereby achieving the effects of low cost, high waterproofing level, and simplified assembly.
  • FIG. 1 is a schematic structural view of a side key waterproof device in the related art
  • FIG. 2 is a schematic structural view of a terminal side key waterproof device according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • Figure 4 is a schematic view showing the assembled appearance of the waterproof device according to the present invention.
  • Figure 5 is a schematic exploded view of a waterproof device according to the present invention.
  • Figure 6 is a schematic view showing the structure of a side key circuit board member (2) of a waterproof device according to the present invention
  • Figure 7 is a view of the side key (3) mounted to the upper key opening of the casing (11) according to the present invention.
  • Figure 8 is a schematic view of the side panel (3) and the side key circuit board component (2) mounted in accordance with the present invention.
  • Figure 9 is a schematic illustration of the side panel (3), side key circuit board assembly (2), and main board (4) mounted in accordance with the present invention.
  • FIG. 2 is a schematic structural view of a terminal side key waterproof device according to an embodiment of the present invention.
  • the terminal side key waterproof device includes: a sidewall hole a terminal housing (1) filled with a terminal side key (3), and a terminal side key circuit board component (2) connected to the terminal main board (4), wherein the terminal side key circuit board component (2) comprises: a side key circuit a plate (23), a metal arch film (22) fixedly connected to the side key circuit board, and a circuit board waterproof ring for wrapping the side key circuit board (23) and the metal arch film (22) ( twenty one ) ,
  • the circuit board waterproof ring (21) enclosing the side key circuit board (23) and the metal dome film (22) is interference-engaged with the sidewall of the terminal housing (1).
  • the metal dome film (22) can be replaced by a flexible printed circuit board FPC.
  • a limit for limiting the position of the terminal side key circuit board component ( 2 ) may be provided between the terminal housing (1 ) and the terminal side key circuit board component ( 2 ) Parts (13).
  • the terminal side key (3) can be integrally molded by side key soft rubber (31) and side key hard rubber (32).
  • the main board (4) positioned by the main board positioning hole (41) and the housing positioning post (1) is in contact with the main board supporting side (42) of the side of the terminal side key circuit board part (2)
  • the terminal side key circuit board component (2) is supported.
  • the terminal main board (4) is connected to the terminal side key circuit board component (2) by wire bonding or flexible circuit board FPC connection.
  • the circuit board waterproof ring (21) can be made of waterproof silicone ring.
  • FIG. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the terminal 30 includes one or more terminal side key waterproof devices 302.
  • the terminal can be a mobile phone.
  • the waterproof structure includes: a mobile phone shell structure, a mobile phone side key structure, a mobile phone side key circuit board component (including a circuit board, a metal arch film or an FPC type side key switch, a waterproof silicone ring), a mobile phone motherboard .
  • the side button of the mobile phone is first assembled on the mobile phone casing, and then the mobile phone side key circuit board component is assembled in the mobile phone casing, and finally the mobile phone mainboard is assembled.
  • This process is a conventional mobile phone production assembly process, but the waterproof design of the invention is involved. , has made the phone side button of this program have waterproof characteristics.
  • the metal arch film or the FPC type side key switch on the side key circuit board can be pressed by the swing of the side key to conduct the user action on the side key switch, so that the side key The function takes effect.
  • the metal arcuate film and flexible printed circuit board (FPC) type side key switch its function is to change the pressing function of the button into the mobile phone signal.
  • the following is an example of a metal arched film.
  • the high-grade and reliable waterproof protection of the mobile phone is provided by the sealing function of the waterproof silicone ring and the outer casing in the circuit board component.
  • the inside of the side key circuit board Supporting function which can ensure the difference of the hand feeling caused by the side key circuit board not being displaced during the side key pressing process, and the side key circuit board component is always fixed to ensure that the side key is frequently pressed and the side key waterproofness is not affected.
  • Fig. 4 is a schematic view showing the assembled appearance of the waterproof device according to the present invention. As shown in Fig. 4, the cymbal is assembled to the casing by a separate side key, so that the side key cap can realize a rich appearance treatment.
  • FIG 5 is a schematic exploded view of the waterproof device according to the present invention.
  • the waterproof device can be decomposed into four parts: a housing (1) (same as the terminal housing (1) above), a side key circuit Board part (2) (same as the terminal side key circuit board part (2) above), side key (3) (same as the above terminal side key (3)), main board (4) (same as the above terminal main board (4)).
  • FIG. 6 is a schematic structural view of a side key circuit board component (2) of a waterproof device according to the present invention.
  • the side key circuit board component (2) may include three parts: a side key circuit board waterproof ring ( 21), metal arched film (22), side key circuit board (23).
  • the assembly sequence is as follows: First, the metal arch film (22) is pasted on the side key circuit board (23), and then the side key circuit board waterproof ring (21) is placed on the metal arch film (22) and the side key circuit board. (23) The semi-finished product has been assembled to complete the assembly of the side key circuit board components.
  • FIG. 7 is a schematic view of the side key (3) mounted to the upper key opening of the casing (11) according to the present invention. .
  • FIG 8 is a schematic view of the side panel (3) and the side key circuit board component (2) mounted in accordance with the present invention.
  • the mounting sequence can be used as shown in Figure 4
  • the side key circuit board component (2) is inserted into the waterproof side wall (12) of the housing side key circuit board, as shown in the upper right corner of the figure, the side key circuit board waterproof ring (21) and the housing side key circuit board are waterproof.
  • the interference of the side wall (12) realizes the waterproofness of the circumference of the circuit board.
  • As the side key circuit board component (2) is assembled as long as it touches the limit structure of the side key circuit board component (2) of the housing (13) , indicating that the assembly is in place to complete the assembly of the side key circuit board component (2).
  • the side button is integrally formed by the side key soft rubber (31) and the side key hard rubber (32) by a two-color injection molding process.
  • the side key soft rubber (31) will press the metal.
  • the arched film (22) makes the action effective;
  • FIG 9 is a schematic view of the side panel (3), the side key circuit board component (2), and the main board (4) mounted in accordance with the present invention, as shown in Figure 9, the main board (4) is assembled to the housing (1) ), by means of the motherboard positioning hole (41) structure and the housing positioning post (11) structure, the position of the main board (4) in the housing (1) is limited, so that after the main board (4) is fixed, it can pass
  • the side key board part (2) is well fixed on the main board support side (42) on the inner side of the side key board part (2).
  • the side key circuit board (2) is supported by the limiting structure of the side key circuit board of the housing (13) and the supporting side (42) of the main board.
  • the displayed main board (4) and side key circuit board (23) can be connected by wire bonding or flexible circuit board (FPC) solution (but not limited to these two electrical connections), so that the pressing of the opposite side keys can be Electrical signals are passed to the motherboard to function.
  • FPC flexible circuit board
  • Embodiments of the present invention achieve low cost, high waterproof rating, and simplified assembly.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Push-Button Switches (AREA)
  • Telephone Set Structure (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

一种终端侧键防水装置及终端，该装置包括：侧壁孔填充有终端侧键（3）的终端外壳（1）以及连接终端主板（4）的终端侧键电路板部件（2），其中，终端侧键电路板部件（2）包括：侧键电路板（23）、与侧键电路板固定连接的金属拱形薄膜（22）、以及用于包裹侧键电路板（23）和金属拱形薄膜（22）于一体的电路板防水圈（21），其中，包裹着侧键电路板（23）和金属拱形薄膜（22）于一体的电路板防水圈（21）与终端外壳（1）的侧壁过盈结合。该终端侧键防水装置及终端成本低，防水等级高，并且组装简化。

Description

终端侧键防水装置及终端 技术领域
本发明涉及通信领域， 具体而言， 涉及一种终端侧键防水装置及终端。
背景技术
随着具备防水功能的手机产品在销售市场上曰益增多， 其在防水可靠性 和防水等级上的竟争力要求也不断增高， 且这类产品为使得更具备卖点而将 体积越做越小， 同时功能芯片却因为性能提升而逐步占据了更多的机身内空 间， 则对于各关键活动部件如侧键， 其防水设计需要不断改进以满足逐步提 升的小型化要求。 目前市面上出售的防水手机其侧键方案大致可以分为以下几种形式： 1 ) 图 1是相关技术中侧键防水装置的结构示意图， 如图 1所示， 利用软胶、 钢 片、 塑胶一体成型做成防水塞子， 组装到壳体上起到防水作用， 利用侧键按 动防水塞子的塑胶部分传导按动动作到主板上的开关； 2 )利用双色注塑技术， 将侧键部分以软胶形式（TPU ) 注塑在壳体上， 利用软塑胶本身的形变能力 来为侧键按动提供变形空间； 3 )釆用独立按键方案实现按键本体的防水。
釆用以上结构形式的手机各自都存在一定缺陷： 方案 1的结构方式， 涉 及工艺复杂， 模具成本较高， 目前一般只在高端手机中才釆用这种方案， 不 具备在各种档次防水手机中应用的前景。 方案 2的结构方式， 由于是要将侧 键以软胶形式和外壳的塑胶利用双色注塑技术注塑在一起， 对于侧键材料选 择和外观处理有着很大的局限性， 而侧键软胶部分其硬度对于侧键手感影响 很大， 且釆用软胶作为侧键， 如遇到尖锐物体的穿刺带来的维修， 需要将整 个结构件完全更换， 维修成本很高。 方案 3的结构方式， 虽然具备灵活的更 换性和良好的外观处理能力， 但是所需设计空间很大、 不便于生产组装， 则 不顺应防水小型化的趋势。
因此， 在相关技术中， 存在对终端的防水存在成本、 防水性能以及小型 化不能兼顾的问题。 发明内容
本发明实施例提供了一种终端侧键防水装置及终端， 以至少解决相关技 术中， 存在对终端的防水存在成本、 防水性能以及小型化不能兼顾的问题。
根据本发明的一个实施例， 提供了一种终端侧键防水装置， 包括： 侧壁 孔填充有终端侧键 (3)的终端外壳（1 ) 、 连接终端主板（4)的终端侧键电 路板部件（ 2 ) ,其中，所述终端侧键电路板部件 ( 2 )包括：侧键电路板 (23) , 与所述侧键电路板固定连接的金属拱形薄膜（22) 、 以及用于包裹侧键电路 板（23 )和金属拱形薄膜（22) 于一体的电路板防水圈 （21 ) ， 其中， 包裹 着所述侧键电路板（23 )和所述金属拱形薄膜（22) 于一体的所述电路板防 水圈 （21 )与所述终端外壳 （1 ) 的侧壁过盈结合。
优选地， 在所述终端外壳 （1 )与所述终端侧键电路板部件（2)之间有 一个用于对所述终端侧键电路板部件 ( 2 )的位置进行限定的限位部件（ 13 )。
优选地， 所述终端侧键 ( 3 ) 由侧键软胶 ( 31 )和侧键硬胶 ( 32 )注塑一 体成型。
优选地， 通过主板定位孔（41 )和壳体定位柱（ 1 )定位的主板（4)通 过与所述终端侧键电路板部件（2)侧边的主板支撑边（42)的接触对所述终 端侧键电路板部件（2)进行支撑。
优选地， 所述终端主板（4)与所述终端侧键电路板部件（2)通过电线 焊接或者挠性电路板 FPC连接的方式进行连接。
优选地， 所述电路板防水圈 （21 )为防水硅胶圈。
优选地， 所述金属拱形薄膜（22)釆用挠性印刷电路板 FPC替代。
根据本发明的另一实施例， 提供了一种终端， 包括上述任一项所述的一 个或多个终端侧键防水装置。
优选地， 所述终端为手机。
通过本发明实施例的方案， 解决了相关技术中， 存在对终端的防水存在 成本、 防水性能以及小型化不能兼顾的问题， 进而达到了成本低， 防水等级 高， 以及组装简化的效果。 附图概述
此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部 分， 本发明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的 不当限定。 在附图中：
图 1是相关技术中侧键防水装置的结构示意图；
图 2是根据本发明实施例的终端侧键防水装置的结构示意图；
图 3是根据本发明实施例的终端的结构示意图；
图 4是根据本发明的防水装置的组装外观示意图；
图 5是根据本发明的防水装置的部件分解示意图；
图 6是根据本发明的防水装置的侧键电路板部件（2) 的结构示意图； 图 7是根据本发明的将侧健 ( 3 )安装到壳体 ( 11 )上侧键开孔处后的示 意图；
图 8是根据本发明的安装有侧健（3) , 以及侧键电路板部件（2)后的 示意图；
图 9是根据本发明的安装有侧健（3) , 侧键电路板部件（2) , 以及主 板（4)后的示意图。
本发明的较佳实施方式
下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是， 在 不冲突的情况下， 本申请中的实施例及实施例中的特征可以相互任意组合。
在本实施例中提供了一种终端侧键防水装置， 图 2是根据本发明实施例 的终端侧键防水装置的结构示意图， 如图 2所示， 该终端侧键防水装置包括： 侧壁孔填充有终端侧键 (3)的终端外壳（1 ) 、 连接终端主板（4)的终端侧 键电路板部件 （2) , 其中， 所述终端侧键电路板部件（2) 包括： 侧键电路 板（23) 、 与所述侧键电路板固定连接的金属拱形薄膜（22) 、 以及用于包 裹侧键电路板（23)和金属拱形薄膜（22) 于一体的电路板防水圈 （21 ) , 其中， 包裹着所述侧键电路板 ( 23 )和所述金属拱形薄膜（22 ) 于一体的所 述电路板防水圈（21 )与所述终端外壳（ 1 )的侧壁过盈结合。 需要说明的是， 该金属拱形薄膜（22 ) 可以釆用挠性印刷电路板 FPC替代。
优选地， 在所述终端外壳 （1 )与所述终端侧键电路板部件（2 )之间可 以设置有一个用于对所述终端侧键电路板部件 ( 2 )的位置进行限定的限位部 件（ 13 ) 。 该终端侧键（ 3 ) 可以由侧键软胶 ( 31 )和侧键硬胶（ 32 )注塑一 体成型。 其中， 通过主板定位孔（41 )和壳体定位柱（1 )定位的主板（4 ) 通过与所述终端侧键电路板部件（2 )侧边的主板支撑边（42 )的接触对所述 终端侧键电路板部件（2 )进行支撑。
优选地， 所述终端主板（4 )与所述终端侧键电路板部件（2 )通过电线 焊接或者挠性电路板 FPC连接的方式进行连接。 该电路板防水圈 （21 ) 可以 选用防水硅胶圈。
图 3是才艮据本发明实施例的终端的结构示意图， 如图 3所示， 该终端 30 包括一个或多个终端侧键防水装置 302。 较优地， 该终端可以为手机。
针对相关技术中的上述问题， 在本实施例中提供了一种新式的手机侧键 及电路板防水结构， 不仅可以实现侧键类部件的小型化防水， 而且可以提供 可靠的高等级防水保证。 以终端为手机为例， 该防水结构包括： 手机外壳结 构，手机侧键结构，手机侧键电路板部件（包括电路板、金属拱形薄膜或 FPC 式侧键开关、 防水硅胶圈） ， 手机主板。 手机的侧键先组装于手机外壳上， 再将手机侧键电路板部件组装于手机外壳， 最终将手机主板组装， 这一过程 为常规手机生产组装过程， 但由于本发明所涉及到的防水设计， 则已使得釆 用本方案的手机侧键具备了防水特质。
上述方案中， 当侧键组装到外壳后， 可通过侧键的摇摆按动侧键电路板 上的金属拱形薄膜或 FPC式侧键开关， 将用户动作传导在侧键开关上， 使得 侧键功能生效。 （因金属拱形薄膜与挠性印刷电路板 ( Flexible Printed Circuit Board,简称为 FPC )式侧键开关其功能均为将按键的按压功能变为手机信号， 以下以金属拱形薄膜为例进行说明） 。
利用电路板部件中的防水硅胶圈与外壳的密封作用， 给手机提供了高等 级且可靠的防水保障。 另外， 将主板组装到外壳后， 给予侧键电路板内侧以 支撑作用， 这样既能够保证侧键按压过程中侧键电路板不会出现移位而造成 的手感差异， 并使得侧键电路板部件始终固定确保了频繁按动侧键也不影响 侧键防水性。
通过上述实施例及优选实施方式， 顺应防水小型化的发展趋势， 能够提 供很高的防水等级和可靠性， 便于生产组装。
下面结合上述附图对本发明的组装进行说明。
图 4是根据本发明的防水装置的组装外观示意图， 如图 4所示， 釆用独 立侧键形式组装于壳体， 这样侧键键帽可以实现丰富的外观处理。
图 5是才艮据本发明的防水装置的部件分解示意图， 如图 5所示， 该防水 装置可以分解为四部分组成： 壳体（1 ) (同上述终端外壳 （1 ) ) , 侧键电 路板部件（2) (同上述终端侧键电路板部件（2) ) , 侧键（3) (同上述终 端侧键（3) ) , 主板（4) (同上述终端主板（4) ) 。
图 6是根据本发明的防水装置的侧键电路板部件（2)的结构示意图， 如 图 6所示，该侧键电路板部件（ 2 )可以包括三个部分：侧键电路板防水圈（ 21 ), 金属拱形薄膜（22) ， 侧键电路板 (23) 。 其组装顺序为： 先将金属拱形薄 膜（22) 粘贴于侧键电路板（23)上， 然后将侧键电路板防水圈 （21 )套在 金属拱形薄膜（22)和侧键电路板 (23) 已经组装好的半成品， 完成侧键电 路板部件的装配。
先将侧键（ 3 )装到壳体（ 11 )上侧键开孔处， 图 7是根据本发明的将侧 健（3)安装到壳体（11 )上侧键开孔处后的示意图。
图 8是根据本发明的安装有侧健（3) , 以及侧键电路板部件（2)后的 示意图， 如图 8所示， 可以釆用这样的安装顺序， 将如图 4示意的组装好的 侧键电路板部件（2) , 塞入壳体侧键电路板防水侧壁（12) , 如本图右上角 放大示意， 侧键电路板防水圈 （21 )和壳体侧键电路板防水侧壁 （12) 的过 盈实现电路板的周圈防水， 随着侧键电路板部件（2)组装方向， 只要碰到壳 体（13)对侧键电路板部件（2)的限位结构， 则表明组装到位完成对侧键电 路板部件（2)的组装。 侧键由侧键软胶 (31 )和侧键硬胶（32)利用双色注 塑工艺一体成型， 当按动侧键硬胶（32) , 则侧键软胶 (31 )就会压动金属 拱形薄膜（22)使得动作生效；
图 9是根据本发明的安装有侧健（3) , 侧键电路板部件（2) , 以及主 板（4)后的示意图， 如图 9所示， 将主板（4)组装到壳体（1 )上， 借助主 板定位孔（41 ) 结构和壳体定位柱（ 11 )结构， 对主板（4)在壳体（ 1 ) 内 的位置做限定，这样当主板（4)固定好之后，可以通过在侧键电路板部件（2) 内侧的主板支撑边（42) , 将侧键电路板部件（2) 良好固定。 这样即便有对 侧键 ( 3 )的频繁按动， 由于有了壳体（ 13 )对侧键电路板的限位结构， 以及 主板支撑边（42)的支撑作用， 侧键电路板 (2)始终处于设计位置， 从而保 证了良好的手感和一致性。 显示的主板（4)和侧键电路板 (23) , 可以通过 电线焊接或者柔性电路板（FPC) 方案连接起来（但不仅限于此两种电气连 接方式） , 使得对侧键的按动可以将电气信号传递到主板产生作用。
以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本 领域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和 原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护 范围之内。
工业实用性
本发明实施例达到了成本低， 防水等级高， 以及组装简化的效果。

Claims

权 利 要 求 书
1.一种终端侧键防水装置， 包括： 侧壁孔填充有终端侧键（3)的终端外 壳 （1 ) 以及连接终端主板（4) 的终端侧键电路板部件（2) , 其中，
所述终端侧键电路板部件（2) 包括： 侧键电路板（23) 、 与所述侧键电 路板固定连接的金属拱形薄膜（22) 、 以及用于包裹侧键电路板 (23)和金 属拱形薄膜（22) 于一体的电路板防水圈 （21 ) ， 其中， 包裹着所述侧键电 路板（23)和所述金属拱形薄膜（22) 于一体的所述电路板防水圈 （21 )与 所述终端外壳 （1 ) 的侧壁过盈结合。
2.根据权利要求 1所述的装置， 其中， 在所述终端外壳 ( 1 )与所述终端 侧键电路板部件 （2)之间有一个用于对所述终端侧键电路板部件（2) 的位 置进行限定的限位部件（13) 。
3.根据权利要求 1所述的装置，其中，所述终端侧键（3 )由侧键软胶（31 ) 和侧键硬胶（32) 注塑一体成型。
4.根据权利要求 1所述的装置， 其中， 通过主板定位孔（41 )和壳体定 位柱 ( 1 )定位的主板 ( 4 )通过与所述终端侧键电路板部件 ( 2 )侧边的主板 支撑边（42) 的接触对所述终端侧键电路板部件（2)进行支撑。
5.根据权利要求 1所述的装置， 其中， 所述终端主板（4)与所述终端侧 键电路板部件（2)通过电线焊接或者挠性电路板 FPC连接的方式进行连接。
6.根据权利要求 1所述的装置， 其中， 所述电路板防水圈 （21 )为防水 硅胶圈。
7.根据权利要求 1所述的装置， 其中， 所述金属拱形薄膜（22)釆用挠 性印刷电路板 FPC替代。
8.—种终端， 包括一个或多个如权利要求 1-7任一项所述的终端侧键防 水装置。
9.根据权利要求 8所述的终端， 其中， 所述终端为手机。
PCT/CN2014/085293 2014-06-17 2014-08-27 终端侧键防水装置及终端 WO2015192473A1 (zh)

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