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WO2016107546A1 - 一种薄型开关 - Google Patents

一种薄型开关 Download PDF

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Publication number
WO2016107546A1
WO2016107546A1 PCT/CN2015/099415 CN2015099415W WO2016107546A1 WO 2016107546 A1 WO2016107546 A1 WO 2016107546A1 CN 2015099415 W CN2015099415 W CN 2015099415W WO 2016107546 A1 WO2016107546 A1 WO 2016107546A1
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WO
WIPO (PCT)
Prior art keywords
base
handle
elastic piece
annular
switch
Prior art date
Application number
PCT/CN2015/099415
Other languages
English (en)
French (fr)
Inventor
余正明
Original Assignee
余正明
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=54304656&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2016107546(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 余正明 filed Critical 余正明
Priority to DE112015005845.1T priority Critical patent/DE112015005845B4/de
Publication of WO2016107546A1 publication Critical patent/WO2016107546A1/zh
Priority to US15/482,850 priority patent/US10002724B2/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
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/12—Construction of key buttons
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G06F15/0225—User interface arrangements, e.g. keyboard, display; Interfaces to other computer systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • 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
    • H01H13/70—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
    • 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
    • H01H13/7006—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 comprising a separate movable contact element for each switch site, all other elements being integrated in layers
    • 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
    • H01H2215/00—Tactile feedback
    • H01H2215/03—Sound
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/036—Minimise height
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • 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

Definitions

  • the invention relates to the field of switch technology.
  • the thin switch determines the experience of the input device and needs to ensure a good feel and service life.
  • the elastic force of the metal piece is relatively insufficient due to the limitation of the internal space of the switch, which affects the feel and life of the button.
  • the problem to be solved by the present invention is to provide a thin switch which is simple in structure and easy to manufacture.
  • a thin switch comprising a handle, a base, an upper cover, an annular elastic piece and a spring, wherein a middle portion of the base is provided with a guide post, the spring is sleeved on the guide post, and the handle is mounted.
  • the annular elastic piece is sleeved on the outside of the handle, and one side is fixed to the base; a fixed terminal is arranged below the corresponding elastic piece on the base; the upper cover is fastened to the base to cover the annular elastic piece Inside, the middle of the upper cover is a through hole, and the upper part of the upper handle is punched out for pressing, 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 base, and the other end is located on the side wall of the handle, corresponding to The side wall of the shank is provided with a protruding platform and a guiding inclined surface.
  • the circular elastic piece foot When the shank is pressed down, the circular elastic piece foot is brought down to contact the fixed terminal on the base to realize the switch conduction; at the same time, the protruding line drives the elastic line to descend, and the pressing is performed to a certain extent.
  • the elastic wire is detached from the shank and rebounds along the guiding slanting surface, and the sound is struck on the shrapnel.
  • the annular elastic piece includes an annular mounting portion sleeved outside the shank and two elastic legs provided with an outer periphery of the annular mounting portion, and the first terminal mounting portion, the first terminal mounting portion is connected from the annular mounting portion The opposite side of the foot extends downwardly from the base for external wiring connection.
  • the fixed terminal comprises a second terminal mounting portion and an arcuate contact portion corresponding to the annular elastic piece foot, and the second terminal mounting portion protrudes from the base for external line connection.
  • the arc-shaped contact portions respectively provide contacts corresponding to the two foot contact positions.
  • the base is provided with an elastic wire mounting column, one end of the elastic wire is vertically installed in the elastic wire mounting column, and the other end is laterally extended from the side wall of the elastic wire mounting column to the side of the handle, and the lateral protruding end has A resilient downwardly bent portion and a transversely bent portion for pressing and striking.
  • a handle groove is arranged around the guide post on the base corresponding to the shape of the handle.
  • the base is provided with an annular elastic plate mounting column
  • 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 column through the mounting hole, and the first terminal mounting portion is attached to the annular elastic piece
  • the side wall of the mounting post extends downwardly from the base.
  • the application also protects a keyboard switch, comprising a mounting plate and a gland, the mounting plate is provided with a scissor foot balance supporting device, the scissor foot balance supporting device is provided with a thin switch in the middle, and the gland is mounted on the scissor foot balance supporting device
  • the thin switch is the thin switch described above.
  • the scissor foot balance support device is engaged with the gland.
  • the thin switch of the present application fully utilizes the internal space of the switch, and 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. It is especially suitable for small-volume switches; at the same time, the switches have double contacts for higher contact reliability.
  • the thin switch has a simple structure and a long service life, and has a good application prospect. For example, it is applied to an existing keyboard switch, and cooperates with a scissor foot structure, which can meet the requirements of the keyboard switch light and thin, and has a good feel and a sense of hearing.
  • FIG. 1 is a schematic exploded view of a thin switch embodiment of the present invention
  • FIG. 2 is a schematic view showing the fully assembled structure of the thin switch embodiment of the present invention.
  • FIG. 3 is a schematic view showing a semi-assembled structure of a thin switch embodiment according to the present invention.
  • FIG. 4 is a schematic view showing a semi-assembled structure of another embodiment of the thin switch embodiment of the present invention.
  • Figure 5 is a structural view showing the cooperation of the thin switch handle and the elastic wire according to the present invention.
  • FIG. 6 is a schematic diagram of an explosion structure of a keyboard switch according to the present invention.
  • Figure 7 is a schematic view showing another exploded structure of the keyboard switch of the present invention.
  • FIG. 8 is a schematic structural view of a keyboard switch according to the present invention.
  • FIG. 9 is a schematic structural view of a gland of a keyboard switch according to the present invention.
  • the thin switch includes a handle, a base 2, an upper cover 3, and a ring-shaped elastic piece 4, a spring 5, and a fixed space are formed in a space formed by the base 2 and the upper cover 3.
  • Terminal 6, bullet 7 Wait A guide post 21 is disposed in a middle portion of the base 2, and a handle stroke groove 23 is disposed 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 arranged according to the corresponding guide post below the handle 1.
  • the handle 1 is mounted by 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 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 extends downward from the side of the annular mounting portion 41 opposite to the spring foot to the base for external line connection.
  • the 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.
  • 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, and the second terminal mounting portion 61 extends out of the base for external line connection.
  • Contact points 621 are respectively disposed on the arcuate contact portions 62 corresponding to the two foot contact positions.
  • a spring mounting post 22 is further disposed on the base.
  • 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, and extends laterally.
  • the 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 base 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 in the upper cover 3, one end of which is fixed on the base, 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, a guiding inclined surface 11, and a guiding vertical Face 13, when the handle 1 is pressed down, the ring spring 4 is moved downward to contact 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 down, and when pressed down to a certain stroke, the elastic wire 7 The rebound is released upwards from the handle projection, and the sound is struck on the elastic piece along the guiding inclined surface 11 and the guiding vertical surface 13 in sequence.
  • a thin switch is taken as an example.
  • the switch structure in the present invention is not limited to a thin switch, and can be extended to any switch field.
  • the keyboard switch includes a mounting plate A and a gland B.
  • the mounting plate A is coupled with a scissor foot balance supporting device C.
  • the mounting plate A is provided with four L-shaped barbs A1 and A2 corresponding to the hook C1 and the hook hole C2 under the scissor balance supporting device C, respectively.
  • a thin switch D is disposed in the middle of the scissor foot balance support device, and the thin switch D is welded on the mounting plate A.
  • the gland B is attached to the upper beams of the scissor foot balance support device by the buckle B1.
  • the structure of the scissor foot is the same as the conventional structure of the keyboard switch in the prior art, and functions as a balance key cap, so that each corner of the key cap can be pressed and balanced.
  • the mounting plate A may not be part of the switch, which is the fixed iron plate of the keyboard.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)

Abstract

一种薄型开关，包括按柄（1）、底座（2）、上盖（3），底座和上盖扣合形成的空间内设置环形弹片（4）、弹簧（5）、固定端子（6）、弹线（7）。上盖内环形弹片下方设有弹线，弹线一端固定于底座上，另一端位于按柄侧壁，对应的按柄侧壁设有导引斜面（11），按柄下压时带动环形弹片弹脚下行接触底座上的固定端子实现开关导通，同时也带动弹线下行，下压到一定行程时，弹线脱离按柄向上回弹，击打到弹片上发出声音。该薄型开关充分利用开关内部空间，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，适用于小体积开关，例如键盘开关；同时，薄型开关具有双触点，具有更高的接触可靠性。

Description

一种薄型开关 技术领域
本发明涉及开关技术领域。
背景技术
现有设备的很多操作需要使用到薄型开关作为输入手段，薄型开关好坏决定了输入设备的体验，需要保证良好的手感和使用寿命。现有采用金属片作为动触片的薄型开关因为开关内部空间的限制，金属片的弹力相对不足，影响了按键手感与寿命。
发明内容
有鉴于此，本发明需要解决的问题是提供一种结构简洁、便于制作的薄型开关。
为了解决上述问题，本发明采用以下技术方案：一种薄型开关，包括按柄、底座、上盖、环形弹片和弹簧，所述底座中部设有一导柱，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；底座上对应环形弹片弹脚下方设置固定端子；上盖扣合于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底座上的固定端子实现开关导通；同时也通过突台带动弹线下行，下压到一定行程时，弹线脱离按柄沿导引斜面向上回弹，击打到弹片上发出声音。
优选的，所述环形弹片包括套接于按柄外的环形安装部和设有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底座供外部线路连接。
优选的，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底座供外部线路连接。
优选的，所述弧形接触部上对应两弹脚接触位置分别设置触点。
优选的，所述底座上设置弹线安装柱，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。
优选的，所述底座上导柱周围对应按柄形状设按柄行程槽。
优选的，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底座。
本申请还保护一种键盘开关，包括安装板及压盖,安装板上设有剪刀脚平衡支撑装置，所述剪刀脚平衡支撑装置中间设有薄型开关，压盖安装于剪刀脚平衡支撑装置之上，所述薄型开关为上述的薄型开关。
优选的，所述剪刀脚平衡支撑装置与压盖卡接。
与现有技术相比，本申请所述薄型开关充分利用开关内部空间，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，特别适用于小体积开关；同时，所述开关具有双触点，有更高的接触可靠性。
所述薄型开关结构简洁，寿命长，具有良好的应用前景，例如应用于现有键盘开关中，与剪刀脚结构配合，既能满足键盘开关轻薄要求，又具有较好的手感和听感。
附图说明
图1为本发明所述薄型开关实施例爆炸结构示意图；
图2为本发明所述薄型开关实施例全组装结构示意图；
图3为本发明所述薄型开关实施例半组装结构示意图；
图4为本发明所述薄型开关实施例另一角度的半组装结构示意图；
图5为本发明所述薄型开关按柄与弹线配合结构图；
图6为本发明所述键盘开关爆炸结构示意图；
图7为本发明所述键盘开关另一爆炸结构示意图；
图8为本发明所述键盘开关组合结构示意图；
图9为本发明所述键盘开关的压盖结构示意图。
具体实施方式
下面将结合附图及实施例来对本发明作进一步详细说明。
如图1-5所示，本实施例中所述的薄型开关包括按柄1、底座2、上盖3，底座2和上盖3扣合形成的空间内设置环形弹片4、弹簧5、固定端子6、弹线7 等。其中，底座2中部设有导柱21，导柱21周围对应按柄1形状设按柄行程槽23。弹簧5套于导柱21上，按柄1下方对应导柱设置导杆，按柄1通过导杆安装到套接有弹簧5的导柱21内。
所述环形弹片4包括套接于按柄外的环形安装部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上与弹脚相对的一侧向下伸出于底座供外部线路连接。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。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伸出底座供外部线路连接。所述弧形接触部62上对应两弹脚接触位置分别设置触点621。
所述底座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扣合于底座上将环形弹片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内环形弹片下方，其一端固定于底座上，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、导引垂面13，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，依次沿导引斜面11、导引垂面13击打到弹片上发出声音。
本发明中以薄型开关为例介绍,实际上本发明中所述开关结构不限于薄型开关使用,可推广于任何开关领域。
图6-9为本发明所述薄型开关应用于键盘开关的一个实施例，该实施例中，键盘开关包括安装板A及压盖B,安装板A上卡接有剪刀脚平衡支撑装置C，安装板A上设有4个L型倒钩A1、A2，分别对应剪刀脚平衡支撑装置C下方的钩柱C1和钩孔C2。所述剪刀脚平衡支撑装置中间设薄型开关D，该薄型开关D焊接在安装板A上。压盖B通过卡扣B1安装于剪刀脚平衡支撑装置的两上梁。
使用时，按压压盖B，间接按压薄型开关的按柄，实现开关的导通，同时剪刀脚也被按压；去除外力弹簧5复位使按柄上弹，同时顶起压盖，剪刀脚也弹 起对压盖起到支撑作用。这里剪刀脚的结构同现有技术中键盘开关的常用结构，起平衡键帽的作用，使键帽的每个角被按压都能平衡下压。键盘开关的应用中，安装板A可不作为开关的一部分，其即是键盘的固定铁板。
上述实施例仅为本发明的较优的实现方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，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发明的保护范围。

Claims (9)

  1. 一种薄型开关，包括按柄(1)、底座(2)、上盖(3)、环形弹片(4)和弹簧(5)，所述底座(2)中部设有一导柱(21)，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，一侧与底座固定；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)扣合于底座上将环形弹片覆盖于其内，上盖(3)中部为通孔，按柄(1)上部由通孔穿出供按压，其特征在于，所述上盖(3)内环形弹片下方设有弹线(7)，弹线一端固定于底座上，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)脱离按柄沿导引斜面(11)向上回弹，击打到弹片上发出声音。
  2. 根据权利要求1所述的薄型开关，其特征在于：所述环形弹片(4)包括套接于按柄外的环形安装部(41)和设有环形安装部(41)外围的两个弹脚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)上与弹脚相对的一边向下伸出于底座供外部线路连接。
  3. 根据权利要求2所述的薄型开关，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)伸出底座供外部线路连接。
  4. 根据权利要求3所述的薄型开关，其特征在于：所述弧形接触部(62)上对应两弹脚接触位置分别设置触点。
  5. 根据权利要求1所述的薄型开关，其特征在于：所述底座上设置弹线安装柱(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。
  6. 根据权利要求1所述的薄型开关，其特征在于：所述底座(2)上导柱(21)周围对应按柄形状设按柄行程槽(23)。
  7. 根据权利要求2所述的薄型开关，其特征在于：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)侧壁向下伸出底座。
  8. 一种键盘开关，包括安装板(A)及压盖(B),安装板(A)上设有剪刀脚平衡支撑装置，所述剪刀脚平衡支撑装置中间设有薄型开关，压盖(B)安装于剪刀脚平衡支撑装置之上，其特征在于，所述薄型开关为权力要求1-7中任意一项所述的薄型开关。
  9. 根据权利要求8所述的键盘开关，其特征在于：所述剪刀脚平衡支撑装置与压盖(B)卡接。
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