WO2018077194A1 - 一种薄型机械式键盘开关 - Google Patents

一种薄型机械式键盘开关 Download PDF

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Publication number
WO2018077194A1
WO2018077194A1 PCT/CN2017/107676 CN2017107676W WO2018077194A1 WO 2018077194 A1 WO2018077194 A1 WO 2018077194A1 CN 2017107676 W CN2017107676 W CN 2017107676W WO 2018077194 A1 WO2018077194 A1 WO 2018077194A1
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WO
WIPO (PCT)
Prior art keywords
groove
base
keyboard switch
receiving groove
mechanical keyboard
Prior art date
Application number
PCT/CN2017/107676
Other languages
English (en)
French (fr)
Inventor
吴福喜
Original Assignee
东莞市凯华电子有限公司
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 东莞市凯华电子有限公司 filed Critical 东莞市凯华电子有限公司
Priority to EP17866348.0A priority Critical patent/EP3534388A4/en
Priority to JP2019518990A priority patent/JP6686233B2/ja
Priority to KR2020197000027U priority patent/KR200491649Y1/ko
Publication of WO2018077194A1 publication Critical patent/WO2018077194A1/zh
Priority to US16/395,224 priority patent/US10854400B2/en

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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
    • H01H13/702—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
    • H01H13/7065—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 characterised by the mechanism between keys and layered keyboards
    • 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
    • H01H13/10—Bases; Stationary contacts mounted thereon
    • 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
    • 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
    • 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
    • G06F1/1662—Details related to the integrated keyboard
    • G06F1/1666—Arrangements for reducing the size of the integrated keyboard for transport, e.g. foldable keyboards, keyboards with collapsible keys
    • 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
    • G06F1/1662—Details related to the integrated keyboard
    • G06F1/1671—Special purpose buttons or auxiliary keyboards, e.g. retractable mini keypads, keypads or buttons that remain accessible at closed laptop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/03—Sound

Definitions

  • the invention relates to a keyboard switch, in particular to a thin mechanical 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 the metal sheet material, shape and other aspects to increase the pressing experience, but has been limited to the improvement of the pressing touch. Due to the limitation of the internal space of the thin keyboard switch, it is always impossible to have a pressing sound like the large keyboard switch.
  • 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 mechanical keyboard switch which has a good tactile sensation during pressing while improving stability, and enables sound generation during pressing to enhance user experience.
  • a thin mechanical keyboard switch includes a base and a key cap disposed on the base, wherein the base is provided with a first side receiving groove, and the first side receiving groove is provided with a conducting
  • the assembly is characterized in that the base is further provided with a second side receiving groove, a middle receiving groove disposed between the first side receiving groove and the second side receiving groove, and an upper end edge surrounding the base a yoke is provided, wherein the yoke is provided with a balance frame, and the second side accommodating groove is provided with a torsion spring; the middle accommodating groove is provided with a blocking piece, a hanging piece, a tension spring and a guiding core, and the guiding groove One end of the tension spring is disposed in the lead core and connected to the hanging piece, and the other end is connected to the balance frame; a through groove is defined between the first side receiving groove and the middle receiving groove, and a piston is disposed in the through groove. The piston is located between the lead core and the conduction assembly.
  • a cover is further disposed between the base and the key cap, and the cover is located at an upper end of the torsion spring, the tension spring and the conduction component, and the cover is provided with an opening for the guide core to pass through.
  • a fixing piece is further disposed on the base.
  • a card slot is defined on a side of the guiding core and on a side of the piston, and a slot for the insertion of the tension spring is opened at a lower end of the guiding core.
  • the conduction assembly includes a stator and a rotor, the piston being located between the core and the rotor.
  • the gimbal is an X-shaped frame, which comprises a U-shaped left bracket and a U-shaped right bracket, the open end of the U-shaped left bracket is disposed to intersect with the open end of the U-shaped right bracket, and the U
  • the front fixing leg of the left bracket and the front fixing leg of the U-shaped right bracket are respectively fixed in the retaining groove, and the rear fixing leg of the U-shaped left bracket and the rear fixing leg of the U-shaped right bracket are fixedly connected to the lower end of the keycap respectively.
  • the piston structure is adopted to make the moving piece of the conduction component only bear the positive force, the deformation risk of the moving piece is lower, and the performance is more stable.
  • Figure 1 is an exploded view of the present invention
  • FIG. 2 is a schematic structural view of a susceptor according to the present invention.
  • Figure 3 is a partial structural view of the present invention.
  • Figure 4 is a schematic structural view of a guide core of the present invention.
  • Figure 5 is a schematic structural view of the keyboard switch of the present invention in a natural state
  • Figure 6 is a cross-sectional view showing the keyboard switch of the present invention in a natural state
  • FIG. 7 is a schematic structural view of the keyboard switch of the present invention pressed to a termination state.
  • a thin mechanical keyboard switch includes a base 1 and a key cap 2 disposed on the base 1.
  • the base 1 is firstly opened.
  • the first side accommodating groove 11 is provided with a conduction component 3
  • the pedestal 1 is further provided with a second side accommodating groove 12, and is disposed on the first side accommodating groove 11 and the first
  • the middle receiving groove 13 between the two side receiving slots 12 and the surrounding groove 14 extending around the upper end edge of the base 1 , wherein the surrounding groove 14 is provided with a balance frame 4 , and the second side receiving groove 12 is disposed therein
  • a torsion spring 5 is disposed.
  • the middle receiving groove 13 is provided with a blocking piece 6 , a hanging piece 7 , a tension spring 8 and a guiding core 9 .
  • tension spring 8 is locked in the guiding core 9 and connected to the hanging piece 7 .
  • the other end is connected to the balance frame 4; a through groove 15 is defined between the first side receiving groove 11 and the middle receiving groove 13 , and a piston 10 is disposed in the through groove 15 , and the piston 10 is located at the guiding core 9 and the guiding Between components 3.
  • a cover 20 is further disposed between the base 1 and the key cap 2 , and the cover 20 is located at the upper end of the torsion spring 5 , the tension spring 8 and the conduction component 3 for the torsion spring 5 and the tension spring. 8 and the conduction component 3 play a positioning role to prevent the torsion spring 5, the tension spring 8 and the conduction component 3 from being separated from the base 1 during the pressing process, and the cover 20 is provided with an opening 201 through which the guiding core 9 passes. During the pressing process, the core 9 moves up and down in the opening 201.
  • the cover 20 is provided with a plastic cover to better insulate the conductive members.
  • a fixing piece 30 is further disposed on the base 1.
  • a card slot 91 is defined on the side of the guiding core 9 and on the side of the piston 10.
  • the lower end of the guiding core 9 is provided with a slot 92 for the insertion of the tension spring 8 through the end of the tension spring 8. Inserting into the slot 92 of the lead core 9 causes the tension spring 8 to have an upward restoring force to the lead core 9, so that the keyboard switch in the pressed state is returned to the natural state upward.
  • the conduction assembly 3 includes a static piece 31 and a movable piece 32, and the piston 10 is located between the conductive core 9 and the movable piece 32.
  • the gimbal 4 is an X-shaped frame, and includes a U-shaped left bracket 41 and a U-shaped right bracket 42 .
  • the open end of the left bracket 41 is disposed to intersect with the open end of the U-shaped right bracket 42 , and the front end fixing leg of the U-shaped left bracket 41 and the front end fixing leg of the U-shaped right bracket 42 are respectively fixed in the retaining groove 14 .
  • the rear end fixing leg of the left bracket 41 and the rear end fixing leg of the U-shaped right bracket 42 are fixedly coupled to the lower end of the keycap 2, respectively.
  • the keyboard switch is in an unpressed state.
  • the key cap 2 pushes the guide core 9 and the balance frame 4 downward, and the downward movement of the guide core 9 will drive
  • the piston 10 and the torsion spring 5 are moved, so that the rotor 32 of the conduction component 3 contacts the static plate 31 to realize the conduction function of the keyboard switch, as shown in FIG.
  • FIG. 7 is a structural diagram of pressing to the termination state; when the keycap 2 is pressed When the pressure disappears, an upward force is applied to the lead core 9 due to the restoring force of the tension spring 8, so that the keyboard switch in the pressed state is restored to the natural state upward, and at the same time, the base is struck by the restoring force of the torsion spring 5 1 makes a sound, and realizes the disconnection function of the keyboard switch.
  • the main focus of the present invention is that
  • the piston structure is adopted to make the moving piece of the conduction component only bear the positive force, the deformation risk of the moving piece is lower, and the performance is more stable.

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  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

一种薄型机械式键盘开关，包括一基座（1）、及设置于基座（1）上的键帽（2），该基座（1）上开设有第一侧容置槽（11），该第一侧容置槽（11）上设置有导通组件（3），所述基座（1）上还开设有第二侧容置槽（12）、设置于第一侧容置槽（11）与第二侧容置槽（12）之间的中容置槽（13）、及围绕基座（1）上端边缘开设的围槽（14），其中，该围槽（14）内设置有平衡架（4），该第二侧容置槽（12）内设置有扭簧（5）；该中容置槽（13）内设置有挡片（6）、挂片（7）、拉簧（8）与导芯（9），该拉簧（8）一端卡设于导芯（9）内且与挂片（7）连接，另一端与平衡架（4）连接；所述第一侧容置槽（11）与中容置槽（13）之间开设有一通槽（15），该通槽（15）中设置有一活塞（10），该活塞（10）位于导芯（9）与导通组件（3）之间，该薄型机械式键盘开关在提高稳定性的同时，按压过程中具有良好的触感，并使得在按压过程中能够产生声音，提升用户感受。

Description

一种薄型机械式键盘开关
技术领域
本发明涉及键盘开关，尤其涉及一种薄型机械式键盘开关。
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，由于薄型键盘开关内部空间的限制，始终无法像大键盘开关一样具有按压声音。
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机械式键盘开关，在提高稳定性的同时，按压过程中具有良好的触感，并使得在按压过程中能够产生声音，提升用户感受。
本发明为达到上述目的所采用的技术方案是：
一种薄型机械式键盘开关，包括一基座、及设置于基座上的键帽，其中，该基座上开设有第一侧容置槽，该第一侧容置槽上设置有导通组件，其特征在于，所述基座上还开设有第二侧容置槽、设置于第一侧容置槽与第二侧容置槽之间的中容置槽、及围绕基座上端边缘开设的围槽，其中，该围槽内设置有平衡架，该第二侧容置槽内设置有扭簧；该中容置槽内设置有挡片、挂片、拉簧与导芯，该拉簧一端卡设于导芯内且与挂片连接，另一端与平衡架连接；所述第一侧容置槽与中容置槽之间开设有一通槽，该通槽中设置有一活塞，该活塞位于导芯与导通组件之间。
作为本发明的进一步改进，所述基座与键帽之间还设置有一盖子，该盖子位于扭簧、拉簧与导通组件上端，且该盖子上开设有供导芯穿出的开口。
作为本发明的进一步改进，所述基座上还设置有一固定片。
作为本发明的进一步改进，在所述导芯侧边且位于活塞侧边开设有一卡槽，且该导芯下端开设有供拉簧插入的插槽。
作为本发明的进一步改进，所述导通组件包括静片与动片，该活塞位于导芯与动片之间。
作为本发明的进一步改进，所述平衡架为X型架，其包括U型左支架与U型右支架，该U型左支架的开口端与U型右支架的开口端交叉设置，且该U型左支架的前端固定脚与U型右支架的前端固定脚分别固定于围槽内，该U型左支架的后端固定脚与U型右支架的后端固定脚分别固定连接于键帽下端。
本发明的有益效果为：
1.通过X型平衡架和拉簧的结合作用，进一步增强了键盘开关的平衡性，比传统只用单一平衡杆的结构设计更平稳；
2.通过采用导芯以控制导通组件和扭簧，实现声音的发出，增加手感；
3.采用活塞结构，使导通组件的动片只承受正向力，动片变形风险更低，性能更稳定。
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为本发明的爆炸图；
图2为本发明基座的结构示意图；
图3为本发明的部分结构示意图；
图4为本发明导芯的结构示意图；
图5为本发明键盘开关处于自然状态的结构示意图；
图6为本发明键盘开关处于自然状态的剖面图；
图7为本发明键盘开关按压到终止状态的结构示意图。
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。
请参照图1至图4，本发明实施例提供一种薄型机械式键盘开关，包括一基座1、及设置于基座1上的键帽2，其中，该基座1上开设有第一侧容置槽11，该第一侧容置槽11上设置有导通组件3，所述基座1上还开设有第二侧容置槽12、设置于第一侧容置槽11与第二侧容置槽12之间的中容置槽13、及围绕基座1上端边缘开设的围槽14，其中，该围槽14内设置有平衡架4，该第二侧容置槽12内设置有扭簧5；该中容置槽13内设置有挡片6、挂片7、拉簧8与导芯9，该拉簧8一端卡设于导芯9内且与挂片7连接，另一端与平衡架4连接；所述第一侧容置槽11与中容置槽13之间开设有一通槽15，该通槽15中设置有一活塞10，该活塞10位于导芯9与导通组件3之间。
如图1所示，所述基座1与键帽2之间还设置有一盖子20，该盖子20位于扭簧5、拉簧8与导通组件3上端，用于对扭簧5、拉簧8与导通组件3起到定位作用，防止在按压过程中，扭簧5、拉簧8与导通组件3脱离基座1，且该盖子20上开设有供导芯9穿出的开口201，在按压过程中，导芯9在开口201中上下移动。在本实施例中，盖子20采用塑胶盖子，使各导电部件更好地绝缘。且所述基座1上还设置有一固定片30。
如图4所示，在所述导芯9侧边且位于活塞10侧边开设有一卡槽91，且该导芯9下端开设有供拉簧8插入的插槽92，通过将拉簧8一端插入导芯9的插槽92中，使拉簧8对导芯9具有向上的恢复力，使得处于按压状态的键盘开关向上恢复至自然状态。
如图1所示，所述导通组件3包括静片31与动片32，该活塞10位于导芯9与动片32之间。
如图1所示，所述平衡架4为X型架，其包括U型左支架41与U型右支架42，该U型 左支架41的开口端与U型右支架42的开口端交叉设置，且该U型左支架41的前端固定脚与U型右支架42的前端固定脚分别固定于围槽14内，该U型左支架41的后端固定脚与U型右支架42的后端固定脚分别固定连接于键帽2下端。
如图5、图6所示，为键盘开关处于未按压状态的结构示意图，当按压键帽2时，键帽2会推动导芯9与平衡架4向下运动，导芯9向下运动会带动活塞10与扭簧5移动，从而使导通组件3的动片32接触静片31，实现键盘开关的导通功能，如图7为按压到终止状态的结构示意图；当对键帽2的按压力消失时，由于拉簧8的恢复力，对导芯9施加向上的作用力，使得处于按压状态的键盘开关向上恢复至自然状态，于此同时，由于扭簧5的恢复力敲击基座1发出声音，实现键盘开关的断开功能。
本发明的重点主要在于，
1.通过X型平衡架和拉簧的结合作用，进一步增强了键盘开关的平衡性，比传统只用单一平衡杆的结构设计更平稳；
2.通过采用导芯以控制导通组件和扭簧，实现声音的发出，增加手感；
3.采用活塞结构，使导通组件的动片只承受正向力，动片变形风险更低，性能更稳定。
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 (6)

  1. 一种薄型机械式键盘开关，包括一基座、及设置于基座上的键帽，其中，该基座上开设有第一侧容置槽，该第一侧容置槽上设置有导通组件，其特征在于，所述基座上还开设有第二侧容置槽、设置于第一侧容置槽与第二侧容置槽之间的中容置槽、及围绕基座上端边缘开设的围槽，其中，该围槽内设置有平衡架，该第二侧容置槽内设置有扭簧；该中容置槽内设置有挡片、挂片、拉簧与导芯，该拉簧一端卡设于导芯内且与挂片连接，另一端与平衡架连接；所述第一侧容置槽与中容置槽之间开设有一通槽，该通槽中设置有一活塞，该活塞位于导芯与导通组件之间。
  2. 根据权利要求1所述的薄型机械式键盘开关，其特征在于，所述基座与键帽之间还设置有一盖子，该盖子位于扭簧、拉簧与导通组件上端，且该盖子上开设有供导芯穿出的开口。
  3. 根据权利要求1或2所述的薄型机械式键盘开关，其特征在于，所述基座上还设置有一固定片。
  4. 根据权利要求1或2所述的薄型机械式键盘开关，其特征在于，在所述导芯侧边且位于活塞侧边开设有一卡槽，且该导芯下端开设有供拉簧插入的插槽。
  5. 根据权利要求1或2所述的薄型机械式键盘开关，其特征在于，所述导通组件包括静片与动片，该活塞位于导芯与动片之间。
  6. 根据权利要求1或2所述的薄型机械式键盘开关，其特征在于，所述平衡架为X型架，其包括U型左支架与U型右支架，该U型左支架的开口端与U型右支架的开口端交叉设置，且该U型左支架的前端固定脚与U型右支架的前端固定脚分别固定于围槽内，该U型左支架的后端固定脚与U型右支架的后端固定脚分别固定连接于键帽下端。
PCT/CN2017/107676 2016-10-27 2017-10-25 一种薄型机械式键盘开关 WO2018077194A1 (zh)

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CN106847566A (zh) * 2017-03-22 2017-06-13 东莞市凯华电子有限公司 一种具有高平衡性的超薄按键开关
CN107180719A (zh) * 2017-07-11 2017-09-19 东莞市高特电子有限公司 一种沉板式超薄光电机械键盘开关及键盘
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