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WO2016169365A1 - 一种超薄键盘开关 - Google Patents

一种超薄键盘开关 Download PDF

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Publication number
WO2016169365A1
WO2016169365A1 PCT/CN2016/076465 CN2016076465W WO2016169365A1 WO 2016169365 A1 WO2016169365 A1 WO 2016169365A1 CN 2016076465 W CN2016076465 W CN 2016076465W WO 2016169365 A1 WO2016169365 A1 WO 2016169365A1
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WIPO (PCT)
Prior art keywords
mounting
mounting base
annular
handle
elastic
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PCT/CN2016/076465
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English (en)
French (fr)
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余正明
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Individual
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Individual
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    • 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
    • H01H13/14—Operating parts, e.g. push-button

Definitions

  • the utility model relates to the field of switch technology.
  • the technical problem to be solved by the present invention is to provide a balanced and stable ultra-thin keyboard switch.
  • an ultra-thin keyboard switch comprising a mounting base and a gland, and a micro switch module is disposed between the mounting base and the gland, and the four corners of the gland
  • a balance positioning column is respectively arranged, and the balance positioning column on the mounting base corresponding to the pressure cover is provided with a guide hole for the balance positioning column to pass through and move up and down.
  • the gland is provided with a buckle, and the mounting base is correspondingly provided with a bayonet that is fastened to the buckle on the gland.
  • the micro switch module includes a guide post disposed in a middle portion of the mounting base, and further includes a handle, an upper cover, an annular elastic piece and a spring, the spring is sleeved on the guide post, and the handle is mounted on the guide post sleeved with the spring, the annular elastic piece
  • the sleeve is fixed to the outside of the handle, and one side is fixed to the base;
  • the annular elastic piece includes an annular mounting portion sleeved outside the handle and two elastic legs disposed on the periphery of the annular mounting portion, and a first terminal mounting portion, A terminal mounting portion protrudes from the opposite side of the annular mounting portion from the mounting foot to the mounting bottom for external line connection;
  • the mounting base is provided with a fixed terminal under the corresponding elastic piece of the elastic piece;
  • the upper cover is fastened to the mounting base to be ring-shaped
  • the elastic piece covers the inside of the upper cover, and the middle part of the upper cover is a through hole, and
  • An elastic wire is arranged under the annular elastic piece in the upper cover, one end of the elastic wire is fixed on the mounting base, and the other end is located on the side wall of the handle, and the corresponding side wall of the handle is provided with a protruding platform and a guiding inclined surface.
  • the ring-shaped projectile foot is brought into contact with the fixed terminal on the mounting base to realize the switch conduction; at the same time, the projectile is also driven to descend by the protruding platform, and when the ball is pressed down to a certain stroke, the elastic wire is detached from the handle and rebounds along the guiding oblique surface, hitting Sounds on the ring shrapnel.
  • An elastic wire mounting post is further disposed on the mounting base, one end of the elastic wire is vertically installed in the elastic wire mounting post, and the other end is laterally extended from the side wall of the elastic wire mounting post to the side of the handle, and the lateral protruding end has a downwardly bent portion providing a spring force and a lateral bending portion for pressing and tapping; a handle groove corresponding to the shape of the handle around the guide post on the mounting base; and an annular elastic piece mounting column on the base
  • the annular mounting portion is correspondingly provided with a mounting hole at the first terminal mounting portion, and is fixed on the annular elastic piece mounting post through the mounting hole, and the first terminal mounting portion is attached to the side wall of the annular elastic piece mounting column and protrudes downwardly from the mounting bottom. seat.
  • the fixed terminal includes a second terminal mounting portion and an arc-shaped contact portion corresponding to the annular elastic piece foot.
  • the second terminal mounting portion protrudes from the mounting base for external line connection; the arc-shaped contact portion corresponds to two elastic foot contact positions. Set the contacts separately.
  • the utility model provides an ultra-thin keyboard switch, which adopts the mutual cooperation of the balance positioning column and the guide hole, thereby effectively improving the balance degree and stability, solving the card angle problem and making the product life longer; and fully utilizing the micro switch module
  • the internal space of the switch makes the thickness of the switch controlled, and is lighter and thinner. By adding a spring wire in the switch, the switch can have a good touch and a sense of hearing during the pressing process under the premise that the switch is as small as possible.
  • Figure 1 is an exploded view of the structure of the present invention.
  • Figure 2 is an external assembly view of the present invention.
  • Figure 3 is a schematic view of the bottom structure of the present invention.
  • FIG 4 is an assembled structural view of the mounting base and the micro switch module of the present invention.
  • Figure 5 is a view showing the internal structure of the gland of the present invention.
  • Fig. 6 is a structural view showing the assembly of the mounting base and the micro switch module of the present invention.
  • Figure 7 is a schematic view showing the structure of the mounting base of the present invention.
  • Figure 8 is a schematic view showing the assembly structure of the handle and the elastic wire of the utility model.
  • Figure 9 is a schematic view showing the structure of the annular elastic piece of the present invention.
  • Figure 10 is a schematic view showing the structure of the fixed terminal of the present invention.
  • the ultra-thin keyboard switch described in this embodiment includes a mounting base 2 and a gland 8.
  • Four balance positioning posts 81 are disposed on the inner corners of the gland 8, and the mounting base 2 is balanced.
  • the positioning post 81 is provided with a guide hole 25.
  • the balance positioning post 81 moves up and down in the guide hole 25, ensuring the balance pressing of the gland 8, and the buckle 8 is further disposed on both sides of the gland 8.
  • the corresponding mounting base 2 is provided with a bayonet 26 at a position corresponding to the buckle 82, and the gland 8 and the mounting base are connected by the snapping of the buckle 82 and the buckle 26.
  • a micro switch module is disposed between the mounting base 2 and the gland 8.
  • the micro switch module includes a handle 1, an upper cover 3, an annular elastic piece 4, a spring 5, a fixed terminal 6, and a spring wire 7, as shown in FIG.
  • the utility model further comprises a guide post 21 disposed at a middle portion of the mounting base 2, and a handle stroke groove 23 is arranged around the guide post 21 corresponding to the shape of the handle 1.
  • the spring 5 is sleeved on the guide post 21, and a guide rod is disposed corresponding to the guide post 21 below the handle 1, and the handle 1 is mounted through the guide rod into the guide post 21 of the sleeve 5 with the spring 5.
  • the annular elastic piece 4 includes an annular mounting portion 41 that is sleeved outside the shank 1, and two elastic legs 43 that are provided at the periphery of the annular mounting portion 41, and a first terminal mounting portion 42.
  • the first terminal mounting portion 42 projects downward from the side of the annular mounting portion 41 opposite the projecting leg 43 to the mounting base 2 for external line connection.
  • the mounting base 2 is provided with an annular elastic plate mounting post 24, and the annular mounting portion 41 is provided with a mounting hole at the first terminal mounting portion 42 and is fixed to the annular elastic piece mounting post 24 through the mounting hole.
  • a fixed terminal 6 is disposed on the base 2 corresponding to the annular elastic piece 4 below the elastic foot. As shown in FIG.
  • the fixed terminal 6 includes a second terminal mounting portion 61 and an arcuate contact portion 62 corresponding to the elastic foot of the annular elastic piece 4.
  • the second terminal mounting portion 61 extends out of the mounting base 2 for external line connection.
  • Contact points 63 are respectively disposed on the curved contact portions 62 corresponding to the two foot contact positions.
  • the mounting base 2 is further provided with a spring mounting post 22, one end of the elastic wire 7 is vertically installed in the elastic wire mounting post 22, and the other end is laterally extended from the side wall of the elastic wire mounting post 22 to the side of the handle 1,
  • the laterally projecting end has a downwardly bent portion that provides an elastic force and a laterally bent portion that is pressed and struck.
  • the upper cover 3 is fastened to the mounting base 2 to cover the annular elastic piece 4 therein, and the middle of the upper cover 3 is a through hole, and the upper part of the handle 1 is punched out by the through hole for pressing.
  • the elastic wire 7 is disposed under the annular elastic piece 4 in the upper cover 3, one end of which is fixed on the mounting base 2, and the other end is located on the side wall of the handle 1, and the corresponding side wall of the handle 1 is provided with a protruding base 12 and a guiding inclined surface 11,
  • the ring spring 4 is driven to lower the fixed terminal 6 on the base to realize the switch conduction; at the same time, the projectile 12 is used to drive the elastic wire 7 to descend, and when pressed down to a certain stroke, the elastic wire 7 is separated from the handle.
  • the platform rebounds upwards and hits the shrapnel 11 along the guiding ramp 11 to make a sound.
  • an ultra-thin keyboard switch is taken as an example.
  • the switch structure in the utility model is not limited to the use of an ultra-thin keyboard switch, and can be extended to any switch field.
  • the gland 8 is pressed, and the balance positioning post 81 moves downward along the guide hole 25 to indirectly press the micro switch module.
  • the switch is turned on, the external force spring 5 is removed to reset the handle, and the cover is pushed up, and the balance positioning post 81 moves upward along the guide hole 25.

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  • Push-Button Switches (AREA)

Abstract

一种超薄键盘开关，包括安装底座（2）和压盖（8），安装底座和压盖之间设置了微型开关模块，压盖的四角分别设置了平衡定位柱（81），安装底座对应压盖上的平衡定位柱设置了可供平衡定位柱穿过并上下移动的导孔（25）；采用平衡定位柱和导孔的相互配合，有效提高了平衡度和稳定性，解决了卡角问题，并使得产品寿命更长；采用微型开关模块充分利用开关的内部空间，使得开关厚度得到控制，更加轻薄，并通过在开关内增加弹线（7），能够在开关尽量小的前提下，使开关在按压过程中具有良好的触感和听感。

Description

一种超薄键盘开关 技术领域
本实用新型涉及开关技术领域。
背景技术
目前对开关的要求趋向于薄和稳，在开关应用于键盘等各种电子设备上时，要求其轻薄化，而且要求开关在使用过程中的稳定性，不能出现卡角的状况，要求开关整体平衡，稳定性需要得到保证，而这些技术问题都在不断地改进过程中，但仍然不够理想。
实用新型内容
有鉴于此，本实用新型要解决的技术问题是提供一种平衡、稳定的超薄键盘开关。
为解决上述技术问题，本实用新型提供的技术方案是：一种超薄键盘开关，包括安装底座和压盖，所述安装底座和压盖之间设置了微型开关模块，所述压盖的四角分别设置了平衡定位柱，安装底座对应压盖上的平衡定位柱设置了可供平衡定位柱穿过并上下移动的导孔。
所述压盖上设有卡扣，安装底座对应设有与压盖上的卡扣扣接的卡口。
所述微型开关模块包括设置在安装底座中部的导柱，还包括按柄、上盖、环形弹片和弹簧，弹簧套于导柱上，按柄安装到套接有弹簧的导柱上，环形弹片套接于按柄外部，一侧与底座固定；所述环形弹片包括套接于按柄外的环形安装部和设在环形安装部外围的两个弹脚以及第一端子安装部，所述第一端子安装部从环形安装部上与弹脚相对的一边向下伸出于安装底供外部线路连接；安装底座上对应环形弹片弹脚下方设置固定端子；上盖扣合于安装底座上将环形弹片覆盖于其内，上盖中部为通孔，按柄上部由通孔穿出供按压。
所述上盖内环形弹片下方设有弹线，弹线一端固定于安装底座上，另一端位于按柄侧壁，对应的按柄侧壁设有突台、导引斜面，按柄下压时带动环形弹片弹脚下行接触安装底座上的固定端子实现开关导通；同时通过突台也带动弹线下行，下压到一定行程时，弹线脱离按柄沿导引斜面向上回弹，击打到环形弹片上发出声音。
所述安装底座上还设置了弹线安装柱，弹线一端竖直安装在弹线安装柱内，另一端从弹线安装柱侧壁横向伸出至按柄的侧边，横向伸出端具有一提供弹力的向下的弯折部及一供按压及敲击的横向弯折部；安装底座上的导柱周围对应按柄形状设按柄行程槽；所述底座上设有环形弹片安装柱，环形安装部上对应设置第一端子安装部处开安装孔，通过安装孔固定在环形弹片安装柱上，第一端子安装部依附于环形弹片安装柱侧壁向下伸出安装底 座。
所述固定端子包括第二端子安装部及与环形弹片弹脚对应的弧形接触部，第二端子安装部伸出安装底座供外部线路连接；所述弧形接触部上对应两弹脚接触位置分别设置触点。
与现有技术相比，本实用新型具有如下优点：
本实用新型提供一种超薄键盘开关，采用平衡定位柱和导孔的相互配合，有效提高了平衡度和稳定性，解决了卡角问题，并使得产品寿命更长；采用微型开关模块充分利用开关的内部空间，使得开关厚度得到控制，更加轻薄，并通过通过在开关内增加弹线，能够在开关尽量小的前提下，使开关在按压过程中具有良好的触感和听感。
附图说明
图1为本实用新型结构爆炸图。
图2为本实用新型外部组装图。
图3为本实用新型底部结构示意图。
图4为本实用新型安装底座和微型开关模块组装结构图。
图5为本实用新型压盖内部结构图。
图6为本实用新型安装底座和微型开关模块组装内部结构图。
图7为本实用新型安装底座结构示意图。
图8为本实用新型按柄和弹线组装结构示意图。
图9为本实用新型环形弹片结构示意图。
图10为本实用新型固定端子结构示意图。
具体实施方式
为了便于本领域技术人员理解，下面将结合附图以及实施例对本实用新型进行进一步详细描述。
如图1～5所示，本实施例中所述的超薄键盘开关包括安装底座2和压盖8，压盖8的内部四角上设置了四个平衡定位柱81，安装底座2上对应平衡定位柱81设置了导孔25，按压超薄键盘开关时，平衡定位柱81在导孔25内上下移动，确保了压盖8的平衡下压，压盖8内部两侧还设置了卡扣82，对应的安装底座2上对应卡扣82的位置上设置了卡口26，通过卡扣82和卡扣26的卡接连接压盖8和安装底座。安装底座2和压盖8之间设置了微型开关模块。
如图1、4、6、8、9、10所示，所述微型开关模块包括按柄1、上盖3、环形弹片4、弹簧5、固定端子6、弹线7，如图7所示，还包括设置于安装底座2中部的导柱21，导柱21周围对应按柄1形状设有按柄行程槽23。弹簧5套于导柱21上，按柄1下方对应导柱21设置导杆，按柄1通过导杆安装到套接有弹簧5的导柱21内。
如图9所示，所述环形弹片4包括套接于按柄1外的环形安装部41和设有环形安装部41外围的两个弹脚43以及第一端子安装部42。其中第一端子安装部42从环形安装部41上与弹脚43相对的一侧向下伸出于安装底座2供外部线路连接。安装底座2上设有环形弹片安装柱24，环形安装部41上对应设置第一端子安装部42处开安装孔，通过安装孔固定在环形弹片安装柱24上。底座2上对应环形弹片4弹脚下方设置固定端子6。如图10所示，固定端子6包括第二端子安装部61及与环形弹片4弹脚对应的弧形接触部62，第二端子安装部61伸出安装底座2供外部线路连接。所述弧形接触部62上对应两弹脚接触位置分别设置触点63。
所述安装底座2上还设置弹线安装柱22，弹线7一端竖直安装在弹线安装柱22内，另一端从弹线安装柱22侧壁横向伸出至按柄1的侧边，横向伸出端具有一提供弹力的向下的弯折部及一供按压及敲击的横向弯折部。上盖3扣合于安装底座2上将环形弹片4覆盖于其内，上盖3中部为通孔，按柄1上部由通孔穿出供按压。弹线7设置在上盖3内环形弹片4下方，其一端固定于安装底座2上，另一端位于按柄1侧壁，对应的按柄1侧壁设有突台12、导引斜面11，按柄1下压时带动环形弹片4弹脚下行接触底座上的固定端子6实现开关导通；同时也通过突台12带动弹线7下行，下压到一定行程时，弹线7脱离按柄突台向上回弹，沿导引斜面11击打到弹片上发出声音。
本实用新型中以超薄键盘开关为例介绍,实际上本实用新型中所述开关结构不限于超薄键盘开关使用,可推广于任何开关领域。
使用时，按压压盖8，平衡定位柱81沿导孔25向下移动，间接按压微型开关模块的 按柄1，实现开关的导通，去除外力弹簧5复位使按柄上弹，同时顶起压盖，平衡定位柱81沿导孔25向上移动。
上述实施例仅为本实用新型的较优的实现方式，其描述较为具体和详细，但并不能因此而理解为对本实用新型专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干变形和改进，这些显而易见的替换形式均属于本实用新型的保护范围。

Claims (6)

  1. 一种超薄键盘开关，其特征在于：包括安装底座(2)和压盖(8)，所述安装底座(2)和压盖(8)之间设置了微型开关模块，所述压盖(8)的四角分别设置了平衡定位柱(81)，安装底座(2)对应压盖(8)上的平衡定位柱(81)设置了可供平衡定位柱(81)穿过并上下移动的导孔(25)。
  2. 根据权利要求1所述的超薄键盘开关，其特征在于：所述压盖(8)上设有卡扣(82)，安装底座(2)对应设有与压盖(8)上的卡扣(82)扣接的卡口(26)。
  3. 根据权利要求2所述的超薄键盘开关，其特征在于：所述微型开关模块包括设置在安装底座(2)中部的导柱(21)，还包括按柄(1)、上盖(3)、环形弹片(4)和弹簧(5)，弹簧(5)套于导柱(21)上，按柄(1)安装到套接有弹簧(5)的导柱(21)上，环形弹片(4)套接于按柄(1)外部，一侧与底座(2)固定；所述环形弹片(4)包括套接于按柄外的环形安装部(41)和设在环形安装部(41)外围的两个弹脚(43)以及第一端子安装部(42)，所述第一端子安装部(42)从环形安装部(41)上与弹脚(43)相对的一边向下伸出于安装底座(2)供外部线路连接；安装底座(2)上对应环形弹片(4)弹脚下方设置固定端子(6)；上盖(3)扣合于安装底座(2)上将环形弹片(4)覆盖于其内，上盖(3)中部为通孔，按柄(1)上部由通孔穿出供按压。
  4. 根据权利要求3所述的超薄键盘开关，其特征在于：所述上盖(3)内环形弹片(4)下方设有弹线(7)，弹线(7)一端固定于安装底座(2)上，另一端位于按柄(1)侧壁，对应的按柄(1)侧壁设有突台(12)、导引斜面(11)，按柄(1)下压时带动环形弹片(4)弹脚(43)下行接触安装底座(2)上的固定端子(6)实现开关导通；同时通过突台(12)也带动弹线(7)下行，下压到一定行程时，弹线(7)脱离按柄(1)沿导引斜面(11)向上回弹，击打到环形弹片(4)上发出声音。
  5. 根据权利要求3所述的超薄键盘开关，其特征在于：所述安装底座(2)上还设置了弹线安装柱(22)，弹线(7)一端竖直安装在弹线安装柱(22)内，另一端从弹线安装柱(22)侧壁横向伸出至按柄(1)的侧边，横向伸出端具有一提供弹力的向下的弯折部及一供按压及敲击的横向弯折部；安装底座(2)上的导柱(21)周围对应按柄形状设按柄行程槽(23)；所述底座(2)上设有环形弹片安装柱(24)，环形安装部(41)上对应设置第一端子安装部(42)处开安装孔，通过安装孔固定在 环形弹片安装柱(24)上，第一端子安装部(42)依附于环形弹片安装柱(24)侧壁向下伸出安装底座(2)。
  6. 根据权利要求4所述的超薄键盘开关，其特征在于：所述固定端子(6)包括第二端子安装部(61)及与环形弹片(4)弹脚对应的弧形接触部(62)，第二端子安装部(61)伸出安装底座(2)供外部线路连接；所述弧形接触部(62)上对应两弹脚(43)接触位置分别设置触点(63)。
PCT/CN2016/076465 2015-04-23 2016-03-16 一种超薄键盘开关 Ceased WO2016169365A1 (zh)

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CN204497106U (zh) * 2015-04-23 2015-07-22 余正明 一种超薄键盘开关
CN205751960U (zh) * 2016-05-11 2016-11-30 东莞市凯华电子有限公司 一种键盘开关
JP6702239B2 (ja) 2016-06-02 2020-05-27 オムロン株式会社 スイッチ及びキーボード
CN205789607U (zh) * 2016-10-07 2016-12-07 东莞市凯华电子有限公司 一种具有按压声音的超薄机械键盘开关
CN206441650U (zh) * 2016-12-26 2017-08-25 东莞市凯华电子有限公司 一种超薄型按键开关
CN106783322B (zh) * 2016-12-26 2018-11-02 东莞市凯华电子有限公司 一种具有良好平衡性的按键开关

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