WO2018077197A1 - 一种薄型键盘开关 - Google Patents

一种薄型键盘开关 Download PDF

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Publication number
WO2018077197A1
WO2018077197A1 PCT/CN2017/107684 CN2017107684W WO2018077197A1 WO 2018077197 A1 WO2018077197 A1 WO 2018077197A1 CN 2017107684 W CN2017107684 W CN 2017107684W WO 2018077197 A1 WO2018077197 A1 WO 2018077197A1
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WO
WIPO (PCT)
Prior art keywords
base
core
guiding
keyboard switch
card
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PCT/CN2017/107684
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English (en)
French (fr)
Inventor
吴福喜
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东莞市凯华电子有限公司
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Publication of WO2018077197A1 publication Critical patent/WO2018077197A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
    • H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
    • 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
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/20—Driving mechanisms
    • 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
    • H01H13/84—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 ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
    • H01H13/85—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 ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback characterised by tactile feedback features
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/054—Tactile feedback common to all switch sites

Definitions

  • the invention relates to a keyboard switch, in particular to a thin keyboard switch.
  • keyboard switch As an input means.
  • the quality of the keyboard switch determines the experience of the input device, which requires the keyboard switch to have a good feel and sound.
  • the elastic force of the metal piece is relatively insufficient due to the limitation of the internal space of the switch, and the pressing feeling is lacking.
  • Manufacturers continue to improve from various aspects of sheet metal materials, shapes, etc., to increase the feeling of pressing, but has been limited to the improvement of the touch feel.
  • the keyboard switch has poor stability during use, resulting in unsmooth use and affecting normal use.
  • an object of the present invention is to provide a thin keyboard switch which is improved in balance and stability while being thinned in overall thickness, and has a good pressing feel and improves user experience.
  • a thin keyboard switch includes a PCB board, a base disposed on the PCB board, and a conductive component and an upper cover respectively disposed on the base, and further comprising a guiding core respectively disposed on the base a first accommodating groove and a second accommodating groove are formed in the susceptor, the tensioning spring is locked in the first accommodating groove, and the guiding core assembly and the conducting component are both
  • the card is disposed in the second receiving slot, the upper cover is provided with an opening for the upper end of the guiding core assembly; the upper end edge of the base is provided with a supporting plate seat, and the X-shaped bracket is disposed on the supporting plate seat, and The outer end of the upper cover is hooked on the X-shaped bracket; the lower end of the upper cover is locked in the gap formed by the X-shaped bracket and the base.
  • the core guiding assembly comprises a core guiding base, and a guiding core inserted into and penetrating the guiding core base, and a lower portion of the guiding core is sleeved with a spring.
  • a handle-generating elastic piece is provided, and the handle-generating elastic piece is locked in the second receiving groove, and the handle-generating elastic piece has one end located at a lower end of the guiding core base and the other end fixed to the base.
  • the second accommodating groove includes a guiding core receiving groove for accommodating the guiding core assembly and the spring, and a conducting component card slot and the elastic piece respectively disposed on the side of the guiding core receiving groove The card slot is inserted into the conduction component card slot, and the hand feels that the spring piece is inserted into the spring card slot.
  • the conduction component comprises a static contact piece and a movable contact piece, and the other end of the tension spring is hooked on the static contact piece.
  • the core guiding assembly comprises a guiding core active member and a guiding core follower inserted into the lower end of the guiding core active member, the conducting component is a turtle carrier piece, and the turtle cutting piece is located at the guide The lower end of the core follower.
  • the X-shaped bracket is composed of a first U-shaped balance bar and a second U-shaped balance bar, wherein the open end of the first U-shaped balance bar is provided with two first card shafts, The open end of the second U-shaped balance bar is provided with two second card shafts, and the open end of the first U-shaped balance bar is disposed to intersect with the open end of the second U-shaped balance bar.
  • the base is provided with two first card slots for inserting the two first card shafts at one end, and two second card slots for inserting the two second card shafts at the other end.
  • the beneficial effects of the invention are: by adding a tension spring and an X-shaped bracket, the balance of the keyboard switch is enhanced under the condition that the overall thickness of the keyboard switch is thinned, and the guide core assembly can be smoothly moved up and down to improve the stability thereof. Sexuality; add a feel to produce shrapnel to increase the feel of the press and enhance the user experience.
  • FIG. 1 is an exploded view of a keyboard switch of Embodiment 1;
  • FIG. 2 is a schematic overall structural view of a keyboard switch of Embodiment 1;
  • FIG. 3 is a partial structural schematic view of a keyboard switch of Embodiment 1;
  • FIG. 4 is a schematic structural view of a susceptor according to Embodiment 1;
  • Figure 5 is a schematic structural view of an X-shaped bracket of Embodiment 1;
  • Figure 6 is an exploded view of the keyboard switch of the second embodiment
  • Figure 7 is a cross-sectional view showing the keyboard switch of the second embodiment.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • a thin keyboard switch includes a PCB board 1, a base 2 disposed on the PCB board 1, and a conduction component 3 respectively disposed on the base 2 and
  • the upper cover 4 further includes a core assembly 5, a tension spring 6 and an X-shaped bracket 7 respectively disposed on the base 2, and the base 2 is provided with a first receiving groove 21 and a second receiving groove 22,
  • the tensioning spring 6 is disposed in the first accommodating groove 21, and the guiding core assembly 5 and the conduction component 3 are both locked in the second accommodating groove 22, and the upper cover 4 is opened on the upper end of the guiding core assembly 5
  • An opening 41 is provided; the upper end edge of the base 2 is provided with a support base 23, and the X-shaped bracket 7 is disposed on the support base 23 and is disposed around the outer periphery of the base 2, and the end of the tension spring 6 is hooked on
  • the X-shaped bracket 7 is mounted on the lower end of the upper cover 4 in a gap formed between the X-shaped bracket 7 and the base 2.
  • the core guiding assembly 5 includes a core guiding base 54, and a guiding core 55 inserted and passed through the guiding core base 54, and a lower portion of the guiding core 55 is sleeved with a spring 56.
  • the keyboard switch further includes a handle-generating elastic piece 8 , and the handle-generating elastic piece 8 is locked in the second accommodating groove 22 , and one end of the feel-generating elastic piece 8 is located at the lower end of the guiding core base 54 and fixed at the other end. On the base 2.
  • the second accommodating groove 22 includes a guiding core receiving groove 221 for receiving the guiding core assembly 5 and the spring 56 , and a conducting component respectively disposed on the side of the guiding core receiving groove 221 .
  • the card slot 222 and the spring card slot 223 are inserted into the conduction component card slot 222, and the handle-generating elastic piece 8 is inserted into the spring card slot 223.
  • the conduction component 3 includes a static contact piece 31 and a movable contact piece 32.
  • the other end of the tension spring 6 is hooked on the static contact piece 31.
  • the X-shaped bracket 7 is composed of a first U-shaped balance bar 71 and a second U-shaped balance bar 72, wherein The first U-shaped balance bar 71 is provided with two first card shafts 711, and the second U-shaped balance bar 72 is provided with two second card shafts 721, the first U-shaped balance bar 71 The open end is disposed to intersect the open end of the second U-shaped balance bar 72.
  • the base 2 is provided with two first card slots 24 for inserting two first card shafts 711 at one end, and two second slots for inserting two second card shafts 721 at the other end.
  • Card slot 25 As shown in FIG. 4, the base 2 is provided with two first card slots 24 for inserting two first card shafts 711 at one end, and two second slots for inserting two second card shafts 721 at the other end. Card slot 25.
  • the working principle of the embodiment is: pressing the guiding core 55, applying a downward force to the spring 56, and simultaneously, the movable contact piece 32 is in contact with the static contact piece 31 to realize conduction of the keyboard switch; releasing the pressing of the guiding core 55 Due to the elastic restoring force of the spring 56, the lead core 55 is returned to the initial position, and at the same time, the movable contact piece 32 is separated from the static contact piece 31, so that the keyboard switch is closed.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the core guiding assembly 5 ′ includes a guiding core driving member 51 and a guiding core follower 52 inserted into the lower end of the guiding core driving member 51 .
  • the conduction component 3' is a turtle carrier piece, and the turtle carrier piece is located at a lower end of the core guiding member 52.
  • the working principle of the embodiment is: pressing the lead core driving member 51, applying a downward force to the guiding core follower 52, so that the guiding core follower 52 contacts the turtle carrier piece to realize the conduction of the keyboard switch;
  • the guiding core driving member 51 drives the guiding core follower 52 back to the initial position to separate the guiding core follower 52 from the turtle carrier piece, thereby breaking the keyboard switch.
  • the main point of the invention is that: by adding a tension spring and an X-shaped bracket, when the overall thickness of the keyboard switch is thinned, the balance of the keyboard switch is enhanced, and the guide core assembly can be smoothly moved up and down to improve its stability. Sexuality; add a feel to produce shrapnel to increase the feel of the press and enhance the user experience.

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  • Push-Button Switches (AREA)

Abstract

一种薄型键盘开关，包括一PCB板(1)、设置于PCB板上的基座(2)、及分别设置于基座上的导通组件(3)与上盖(4)，还包括分别设置于基座上的导芯组件(5)、拉簧(6)与X型支架(7)，基座上开设有第一容置槽(21)与第二容置槽(22)，该拉簧卡设于第一容置槽中，该导芯组件与导通组件均卡设于第二容置槽中，该上盖上开设有供导芯组件上端穿出的开口(41)；基座上端边缘设置有支板座(23)，该X型支架设置于支板座上，且围设于基座外围，该拉簧一端勾设于X型支架上；上盖下端卡设于X型支架与基座形成的缝隙中。本发明薄型键盘开关，在其整体厚度实现薄型化的同时，提高了其平衡性及稳定性，同时，具有良好的按压手感，提升用户体验。

Description

一种薄型键盘开关
技术领域
本发明涉及一种键盘开关，尤其涉及一种薄型键盘开关。
背景技术
电子设备的很多操作需要使用到键盘开关作为输入手段，键盘开关的好坏决定了输入设备的体验，这就需要键盘开关具有良好的手感和声感。现有采用金属片作为动触片的薄型键盘开关因为开关内部空间的限制，金属片的弹力相对不足，缺乏按压手感。生产厂家不断从金属片材料、形状等各个方面进行改进，以增加按压感受，但一直仅限于对按压触感的改进。同时，键盘开关在使用过程中，稳定性差，导致使用不顺畅，影响正常使用。
发明内容
针对上述不足，本发明的目的在于提供一种薄型键盘开关，在其整体厚度实现薄型化的同时，提高了其平衡性及稳定性，同时，具有良好的按压手感，提升用户体验。
本发明为达到上述目的所采用的技术方案是：
一种薄型键盘开关，包括一PCB板、设置于PCB板上的基座、及分别设置于基座上的导通组件与上盖，其特征在于，还包括分别设置于基座上的导芯组件、拉簧与X型支架，所述基座上开设有第一容置槽与第二容置槽，该拉簧卡设于第一容置槽中，该导芯组件与导通组件均卡设于第二容置槽中，该上盖上开设有供导芯组件上端穿出的开口；所述基座上端边缘设置有支板座，该X型支架设置于支板座上，且围设于基座外围，该拉簧一端勾设于X型支架上；所述上盖下端卡设于X型支架与基座形成的缝隙中。
作为本发明的进一步改进，所述导芯组件包括导芯基座、及插入并穿出导芯基座的导芯，该导芯下部外围套设有一弹簧。
作为本发明的进一步改进，还包括一手感产生弹片，该手感产生弹片卡设于第二容置槽中，且该手感产生弹片一端位于导芯基座下端，另一端固定于底座上。
作为本发明的进一步改进，所述第二容置槽包括用于容置导芯组件与弹簧的导芯容置槽、及分别设置于导芯容置槽侧边的导通组件卡槽与弹片卡槽，该导通组件插入导通组件卡槽中，该手感产生弹片插入弹片卡槽中。
作为本发明的进一步改进，所述导通组件包括一静接触片与一动接触片，该拉簧另一端勾设于静接触片上。
作为本发明的进一步改进，所述导芯组件包括一导芯主动件、及插入导芯主动件下端的导芯从动件，所述导通组件为一龟载片，该龟裁片位于导芯从动件下端。
作为本发明的进一步改进，所述X型支架由第一U型平衡杆与第二U型平衡杆组成，其中，该第一U型平衡杆的开口端设置有两个第一卡轴，该第二U型平衡杆的开口端设置有两个第二卡轴，该第一U型平衡杆的开口端与第二U型平衡杆的开口端交叉设置。
作为本发明的进一步改进，所述基座一端开设有供两个第一卡轴插入的两个第一卡槽，另一端开设有供两个第二卡轴插入的两个第二卡槽。
本发明的有益效果为：通过增设拉簧与X型支架，在键盘开关整体厚度实现薄型化的情况下，增强了键盘开关的平衡性，保证导芯组件能正常顺畅的上下移动，提高其稳定性；增设手感产生弹片，以增加按压手感，提升用户体验。
上述是发明技术方案的概述，以下结合附图与具体实施方式，对本发明做进一步说明。
附图说明
图1为实施例一键盘开关的爆炸图；
图2为实施例一键盘开关的整体结构示意图；
图3为实施例一键盘开关的部分结构示意图；
图4为实施例一基座的结构示意图；
图5为实施例一X型支架的结构示意图；
图6为实施例二键盘开关的爆炸图；
图7为实施例二键盘开关的剖面图。
具体实施方式
为更进一步阐述本发明为达到预定目的所采取的技术手段及功效，以下结合附图及较佳实施例，对本发明的具体实施方式详细说明。
实施例一：
请参照图1至图5，本发明实施例提供一种薄型键盘开关，包括一PCB板1、设置于PCB板1上的基座2、及分别设置于基座2上的导通组件3与上盖4，还包括分别设置于基座2上的导芯组件5、拉簧6与X型支架7，所述基座2上开设有第一容置槽21与第二容置槽22，该拉簧6卡设于第一容置槽21中，该导芯组件5与导通组件3均卡设于第二容置槽22中，该上盖4上开设有供导芯组件5上端穿出的开口41；所述基座2上端边缘设置有支板座23，该X型支架7设置于支板座23上，且围设于基座2外围，该拉簧6一端勾设于X型支架7上；所述上盖4下端卡设于X型支架7与基座2形成的缝隙中。
如图1所示，所述导芯组件5包括导芯基座54、及插入并穿出导芯基座54的导芯55，该导芯55下部外围套设有一弹簧56。
在本实施例中，键盘开关还包括一手感产生弹片8，该手感产生弹片8卡设于第二容置槽22中，且该手感产生弹片8一端位于导芯基座54下端，另一端固定于底座2上。
如图4所示，所述第二容置槽22包括用于容置导芯组件5与弹簧56的导芯容置槽221、及分别设置于导芯容置槽221侧边的导通组件卡槽222与弹片卡槽223，该导通组件3插入导通组件卡槽222中，该手感产生弹片8插入弹片卡槽223中。
如图1与图3所示，所述导通组件3包括一静接触片31与一动接触片32，该拉簧6另一端勾设于静接触片31上。
如图5所示，所述X型支架7由第一U型平衡杆71与第二U型平衡杆72组成，其中，该 第一U型平衡杆71的开口端设置有两个第一卡轴711，该第二U型平衡杆72的开口端设置有两个第二卡轴721，该第一U型平衡杆71的开口端与第二U型平衡杆72的开口端交叉设置。
如图4所示，所述基座2一端开设有供两个第一卡轴711插入的两个第一卡槽24，另一端开设有供两个第二卡轴721插入的两个第二卡槽25。
本实施例的工作原理为：按压导芯55，对弹簧56施加一向下的作用力，同时，动接触片32与静接触片31接触，实现键盘开关的导通；释放对导芯55的按压，由于弹簧56的弹性恢复力，导芯55向上回到初始位置，同时，动接触片32与静接触片31分离，实现键盘开关的关闭。
实施例二：
请参照图6与图7，本实施例与实施例一的主要区别在于，所述导芯组件5’包括一导芯主动件51、及插入导芯主动件51下端的导芯从动件52，所述导通组件3’为一龟载片，该龟载片位于导芯从动件52下端。
本实施例的工作原理为：按压导芯主动件51，对导芯从动件52施加一向下的作用力，使导芯从动件52与龟载片接触，实现键盘开关的导通；释放对导芯主动件51的按压，导芯主动件51带动导芯从动件52向上回到初始位置，使导芯从动件52与龟载片分离，实现键盘开关的断开。
本发明的重点主要在于：通过增设拉簧与X型支架，在键盘开关整体厚度实现薄型化的情况下，增强了键盘开关的平衡性，保证导芯组件能正常顺畅的上下移动，提高其稳定性；增设手感产生弹片，以增加按压手感，提升用户体验。
以上所述，仅是本发明的较佳实施例而已，并非对本发明的技术范围作任何限制，故采用与本发明上述实施例相同或近似的技术特征，而得到的其他结构，均在本发明的保护范围之内。

Claims (8)

  1. 一种薄型键盘开关，包括一PCB板、设置于PCB板上的基座、及分别设置于基座上的导通组件与上盖，其特征在于，还包括分别设置于基座上的导芯组件、拉簧与X型支架，所述基座上开设有第一容置槽与第二容置槽，该拉簧卡设于第一容置槽中，该导芯组件与导通组件均卡设于第二容置槽中，该上盖上开设有供导芯组件上端穿出的开口；所述基座上端边缘设置有支板座，该X型支架设置于支板座上，且围设于基座外围，该拉簧一端勾设于X型支架上；所述上盖下端卡设于X型支架与基座形成的缝隙中。
  2. 根据权利要求1所述的薄型键盘开关，其特征在于，所述导芯组件包括导芯基座、及插入并穿出导芯基座的导芯，该导芯下部外围套设有一弹簧。
  3. 根据权利要求3所述的薄型键盘开关，其特征在于，还包括一手感产生弹片，该手感产生弹片卡设于第二容置槽中，且该手感产生弹片一端位于导芯基座下端，另一端固定于底座上。
  4. 根据权利要求4所述的薄型键盘开关，其特征在于，所述第二容置槽包括用于容置导芯组件与弹簧的导芯容置槽、及分别设置于导芯容置槽侧边的导通组件卡槽与弹片卡槽，该导通组件插入导通组件卡槽中，该手感产生弹片插入弹片卡槽中。
  5. 根据权利要求1所述的薄型键盘开关，其特征在于，所述导通组件包括一静接触片与一动接触片，该拉簧另一端勾设于静接触片上。
  6. 根据权利要求1所述的薄型键盘开关，其特征在于，所述导芯组件包括一导芯主动件、及插入导芯主动件下端的导芯从动件，所述导通组件为一龟载片，该龟载片位于导芯从动件下端。
  7. 根据权利要求1所述的薄型键盘开关，其特征在于，所述X型支架由第一U型平衡杆与第二U型平衡杆组成，其中，该第一U型平衡杆的开口端设置有两个第一卡轴，该第二U型平衡杆的开口端设置有两个第二卡轴，该第一U型平衡杆的开口端与第二U型平衡杆的开口端交叉设置。
  8. 根据权利要求7所述的薄型键盘开关，其特征在于，所述基座一端开设有供两个第一卡轴插入的两个第一卡槽，另一端开设有供两个第二卡轴插入的两个第二卡槽。
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