CN107331563A - High-balance ultra-thin type key switch - Google Patents

High-balance ultra-thin type key switch Download PDF

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Publication number
CN107331563A
CN107331563A CN201710545840.XA CN201710545840A CN107331563A CN 107331563 A CN107331563 A CN 107331563A CN 201710545840 A CN201710545840 A CN 201710545840A CN 107331563 A CN107331563 A CN 107331563A
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CN
China
Prior art keywords
pot
conduction
provided
point
bottom
Prior art date
Application number
CN201710545840.XA
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Chinese (zh)
Inventor
吴福喜
Original Assignee
东莞市凯华电子有限公司
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Priority to CN201710545840.XA priority Critical patent/CN107331563A/en
Publication of CN107331563A publication Critical patent/CN107331563A/en

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/702Switches 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
    • H01H13/705Switches 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
    • H01H13/7065Switches 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
    • H01H13/7073Switches 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 characterised by springs, e.g. Euler springs
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00Springs
    • H01H2235/008Rubber spring
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00Springs
    • H01H2235/01Spiral spring

Abstract

The invention discloses a high-balance ultra-thin type key switch. The switch comprises a base provided with an accommodating groove, and a conduction point A and a conduction point B are disposed at the bottom in the accommodating groove. The switch further comprises a conduction elastic body disposed in the accommodating groove, a guide core movably which is disposed in the accommodating groove and locates over the conduction elastic body, and a cover which sleeves an upper part of the guide core and covers the accommodating groove; the middle part of the conduction elastic body arches up to form a bump in the shape of a pot bottom, the conduction point A contacts an edge of the conduction elastic body, and the conduction point B locates below the bump in the shape of the pot bottom; the guide core is pressed down, and a pressure is transmitted to the bump in the shape of the pot bottom at the middle part of the conduction elastic body, so the bump in the shape of the pot bottom deforms to be concave downward and then contact the conduction point B, and then a conduction function is achieved; the bump in the shape of the pot bottom rebounds through an elastic restoring force, the bump in the shape of the pot bottom is separated from the conduction point B, and then a disconnection function is achieved. The conduction and disconnection functions of the key switch can be achieved, and the key switch has the advantages of accurate actions, sensitive conduction, the thin thickness, good balance and high stability.

Description

一种高平衡性超薄型按键开关 A high-balanced ultra-thin key switch

技术领域 FIELD

[0001] 本发明涉及一种按键开关,尤其涉及一种高平衡性超薄型按键开关。 [0001] The present invention relates to a key switch, particularly to a balanced ultra-thin high-button switch.

背景技术 Background technique

[0002] 按键开关,为一种广泛应用于键盘上的开关。 [0002] The key switch, is widely used as a switch on the keyboard. 这种开关的主要结构包括有基座、上盖、静触片、动触片和导芯,该上盖和基座围合形成容置腔,该静触片、动触片和导芯设置于该容置腔中,且该导芯的一端露出容置腔外,通过按压操控导芯,使得导芯上下活动,进而通过导芯作用于动触片上,使得动触片与静触片接触连接或脱离分开,从而实现按键开关的导通与断开功能。 Such a switch comprises a main structure of a base, cover, static contact, the movable contact piece and guide core, the cover and the base enclosure receiving chamber is formed, the stationary contacts, and movable contact disposed guide core in the accommodating chamber, and one end of the conductive core is exposed outside the accommodating chamber, by pressing the manipulation guide core, so that the guide core up and down, and then through the guide core acts on the movable contact piece, so that the movable contact plate and fixed contact plates contacting or separate from the connector, thereby achieving the function oN and OFF of the key switch.

[0003] 上述现有的按键开关结构,虽可提供给使用者断开或导通静触片与动触片之间的连接的功效。 [0003] The above-described conventional key switch structure, although the user may be provided to disconnect static or conductive connection between the contacts and the movable contact effect. 但是在实际使用时却发现其自身结构和使用性能上仍存在有诸多不足,造成现有的按键开关在实际应用上,未能达到最佳的使用效果和工作效能。 However, in actual use, only to find themselves on the structure and performance still has many deficiencies, resulting in conventional push switch in practice, failed to achieve the best results and work performance.

[0004]同时,在现有按键开关中,导芯下端与基座内部无直接接触连接,在按压导芯使其上下移动的过程中,由于作用在导芯上的作用力位置不同,在导芯上下移动过程中会出现导芯倾斜,无法沿竖直方向移动的现象,使整体按压稳定性低。 [0004] Meanwhile, in the conventional push switch, the lower end of the guide core without direct contact with the interior of the base is connected, in the pressing process so that the vertical movement guide core, the force due to the different positions on the guide core, the guide during vertical movement of the core will be inclined guide core can not be moved in the vertical direction, thus making the pressing low overall stability.

发明内容 SUMMARY

[0005]针对上述不足,本发明的目的在于提供一种高平衡性超薄型按键开关,动作精确, 导通灵敏,厚度薄,平衡性好,稳定性高。 [0005] In view of the above insufficiency, the present invention is to provide a highly balanced ultra-thin key switch, operation accuracy, conducting sensitive, thin, good balance and high stability.

[0006]本发明为达到上述目的所采用的技术方案是: [0006] Technical Solution To achieve the above object of the present invention is used are:

[0007] —种高平衡性超薄型按键开关,包括一基座、及设置于基座上的一键帽,在该基座上设置有一容置槽,且在该容置槽内底部设置有一导通点A与一导通点B,其特征在于,还包括设置于容置槽内的一导通弹性体、活动设置于容置槽内且位于导通弹性体上方的一导芯、及套设于导芯上部且盖合于容置槽上的一盖子,其中,该导通弹性体中部向上拱起形成一锅底状凸起,且该导通点A与导通弹性体边缘接触,该导通点B位于锅底状凸起下方;通过向下按压导芯,并将按压力传递给导通弹性体中部的锅底状凸起,锅底状凸起产生形变向下凹而与导通点B接触,实现导通功能,并通过弹性恢复力使锅底状凸起回弹,锅底状凸起与导通点B分离,实现断开功能。 [0007] - Type High balanced ultra-thin key switch comprising a base, a keycap and disposed on the base, on which base is provided with a receiving groove, the receiving groove and the bottom portion conducting a point a and a conducting points B, characterized by further comprising a receiving groove disposed on a conductive elastic body, the movable core disposed on a guide positioned above the receiving groove and an elastomeric conductive, and a sleeve disposed in an upper guide core and bonded to a cover lid accommodating groove, wherein the middle conductive elastic body rides up a pot-like projection is formed, and the point a is turned oN and the edges of the elastomer contacting the conduction point B is located below the bottom of the pot-shaped projection; by pressing down the guide core, and the pressing force is transmitted to the bottom of the pot-shaped middle conducting elastomeric projections to the bottom of the pot-like projections deformed concave the conduction contact point B, the function is turned on to achieve, by the elastic restoring force of the pot-shaped resilient projection, separated from the bottom of the pot-shaped projection is turned on point B, the shutdown function to achieve.

[0008]作为本发明的进一步改进,所述导芯中部向上拱起,形成上下活动于盖子上下端面的一上凸台、及位于上凸台下端边缘且向外侧延伸的一环形卡体,其中,该环形卡体限位于盖子下方,该上凸台下端向下延伸设置有位于锅底状凸起上方的一导向轴。 [0008] As a further improvement of the present invention, the upwardly arched central guide core is formed in an upper vertically movable upper and lower end cap bosses, and the audience is located on the convex side edge and an annular outwardly extending card body, wherein the annular cap located below limit of the card body, the upper projecting end of the audience is provided with downwardly extending projections located at a bottom of the pot-shaped guide shaft upward.

[0009]作为本发明的进一步改进,所述环形卡体下端向下延伸,并与导通弹性体上端面边缘接触。 [0009] As a further improvement of the present invention, the lower end of the downwardly extending annular card body, and in contact with the end face edge of the conducting elastomer.

[0010]作为本发明的进一步改进,在所述容置槽内且位于导芯与导通弹性体之间设置有一软弹性体,该软弹性体包括位于导通弹性体上端面上的一弹性底片、及设置于弹性底片上端中心位置处且位于导向轴正下方的一弹性导向柱;通过向下按压导芯,并通过软弹性体将按压力传递给导通弹性体中部的锅底状凸起,锅底状凸起产生形变向下凹而与导通点B接触,实现导通功能,并由软弹性体的弹性恢复力使锅底状凸起回弹,锅底状凸起与导通点B分离,实现断开功能。 [0010] As a further improvement of the present invention, in the receiving groove and located provided with a soft elastomer, the soft elastomer comprises a resilient upper surface located between the conductive elastic body and the guide core conductive elastomer backsheet, an upper end and provided at the center position of the elastic backsheet and an elastic guide post positioned directly below the guide shaft; and pressing force transmitted through a soft elastomer to the bottom of the pot-shaped protrusion of the central conductive elastomer pressed downward by guide core, and from bottom of the pot-shaped projection is deformed into contact with the concave turned to point B, to realize the function is turned on by a soft elastic restoring force of the elastic body like projections rebound pot, the pot-shaped projection with the guide point B through separate, disconnected functions implemented.

[0011]作为本发明的进一步改进,所述弹性底片中部向上拱起,且该弹性底片边缘与导通弹性体上端面边缘接触。 [0011] As a further improvement of the present invention, the elastic upwardly arched central backsheet, and the elastic contact with the upper edge of the end face edge of the backsheet conductive elastomer.

[0012]作为本发明的进一步改进,在所述容置槽内且位于导芯与导通弹性体之间设置有一弹簧A,该弹簧A上端套设于导向轴外围,下端位于导通弹性体上端面上;通过向下按压导芯,并通过弹黃A将按压力传递给导通弹性体中部的锅底状凸起,锅底状凸起产生形变向下凹而与导通点B接触,实现导通功能,并由弹黃A的弹性恢复力使锅底状凸起回弹,锅底状凸起与导通点B分离,实现断开功能。 [0012] As a further improvement of the present invention, in the receiving groove and located between the guide core provided with a conductive elastomer and a spring A, the upper end of the spring is sleeved on the A guide shaft periphery, a lower end positioned conductive elastomer upper surface; pressed downward by a wick, and passed to the bottom of the pot-shaped body by the central elastic conductive pressing force a spring projections, pot-like projections deformed into contact with the point B is turned to the concave achieve conduction function, by the elastic restoring force of the spring so that a pot-shaped resilient projection, separated from the bottom of the pot-shaped projection is turned on point B, the shutdown function to achieve.

[0013]作为本发明的进一步改进,在所述容置槽内且位于导芯与软弹性体之间设置有一弹簧B,该弹簧B上端套设于导向轴外围,下端套设于弹性导向柱外围;通过向下按压导芯, 并通过软弹性体将按压力传递给导通弹性体中部的锅底状凸起,锅底状凸起产生形变向下凹而与导通点B接触,实现导通功能,并由弹簧B的弹性恢复力使锅底状凸起回弹,锅底状凸起与导通点B分离,实现断开功能。 [0013] As a further improvement of the present invention, in the receiving groove and located between the guide is provided with a core and a soft elastomeric spring B, B of the upper end of the spring is sleeved on the periphery of the guide shaft, the lower end of the elastic sleeve disposed in the guide column peripheral; pressed downward by a wick, and passed to the bottom of the pot-shaped middle conductive elastomer will be raised by the pressure of a soft elastomer, the pot-shaped projection is deformed into contact with the concave turned to point B, to achieve conducting function, B by a spring-elastic restoring force of the pot-shaped resilient projection, separated from the bottom of the pot-shaped projection point B is turned on, to achieve disconnect function.

[0014]作为本发明的进一步改进,在所述基座上且位于容置槽周围环设有一环槽,在该环槽内设置有一平衡架,该平衡架包括一平衡杆A、及环设于平衡杆A外围的一平衡杆B,且该平衡杆A与平衡杆B均为封闭型框架结构;所述平衡杆A相对的两外侧边上分别设置有一插轴,在该平衡杆B相对的两内侧边上分别设置有供插轴插入的插孔;同时,在该平衡杆b— 端部相对的两外侧边上分别设置有一插柱,在该基座上开设有供插柱插入的插槽。 [0014] As a further improvement of the present invention, on the base and located around the ring receiving groove is provided with an annular groove, the annular groove is provided with a gimbal, the gimbal comprises a balance bar A, and the ring is provided a balance balance bar in a periphery of the bar B, and the balance lever a and lever B are balanced closed frame structure; the balance lever a two opposite outer sides are respectively provided with a shaft is inserted, the balance lever B two opposing inner sides are provided with insertion hole for insertion shaft is inserted; the same time, is provided with a stake in the outer sides of the two stabilizer bar b- opposite ends respectively open on the base with a plug for post insertion slot.

[0015]作为本发明的进一步改进,在所述环槽内且位于容置槽后外侧边设置有一安装板,该平衡杆A的一端嵌入于安装板与容置槽外壁之间。 [0015] As a further improvement of the invention, the annular groove and the outer side edge is located in a mounting plate is provided with a rear receiving slot, one end of the stabilizer bar is fitted between the plate A and the outer wall of the receiving groove installation.

[0016]作为本发明的进一步改进,所述容置槽前端外壁上向外凸设有一前凸筋,所述安装板外壁上向外凸设有一后凸筋;所述盖子包括盖合于容置槽上端的一上盖片、设置于上盖片前端且具有前卡孔的一前下钩片、及设置于上盖片后端且具有后卡孔的一后下钩片, 该前下钩片勾设于容置槽前端,且该前凸筋插入于前卡孔中,该后下钩片勾设于安装板外壁上,且该后凸筋插入于后卡孔中,使该平衡杆A的一端限位于盖子下方。 [0016] As a further improvement of the present invention, the outer wall of the groove receiving the front end is provided with a lordosis outwardly projecting rib, an outer wall of the mounting plate is provided with outwardly projecting ribs a kyphosis; bonded to said cover comprises a container cover a rear cover sheet a lower hook plate slot upper end is provided in the front cover sheet and having a distal locking hole of a front plate lower hook and the upper cover sheet disposed on the rear end of the card and having a hole, the front lower hook hook tab receiving slot provided in the front end, and the rib is inserted before lordosis clamping hole, the lower the rear hook piece is hooked on the outer wall of the mounting plate, and the rib is inserted into the card kyphosis hole, so that the equilibrium a limiter end of the rod is positioned below the cover.

[0017]本发明的有益效果为:采用超薄导通弹性体作为弹性导通组件,采用软弹性体用以保护弹性导通体与传导导芯的力量,米用弹簧起到预压与回弹的作用,实现按键开关的导通与断开功能,动作精确,导通灵敏;采用平衡杆为导芯的下压过程提供导引作用,在超薄空间内提高按压平衡性及受力均衡性,平衡功能增强,平衡效果好,平稳性强,整体稳定性提高,使按压键帽的任一位置均能实现导通功能,特别适用于具有超薄空间要求的键盘中。 [0017] Advantageous effects of the present invention is: an ultra-thin conductive elastomer as the resilient conductive component, using force to protect the soft elastomeric resilient conductive vias and conductive core, rice and played back by the preload spring playing the role to achieve the key switch is turned on and off in function, accurate action, turned sensitive; balanced to provide guiding action of the rod during depression guide core, to improve the pressing force balance and the balance in the thin space , balance enhancements good balancing effect, smooth and strong, the overall stability is improved, so that the pressing of any key cap can achieve a location on function, particularly suitable keypad having thin space requirements.

[0018]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。 [0018] The above is an overview of the technical solution of the invention, the accompanying drawings and the following detailed description, the present invention will be further described.

附图说明 BRIEF DESCRIPTION

[0019]图1为本发明实施例一的爆炸图; [0019] FIG. 1 is an exploded view diagram of a embodiment of the present invention;

[0020]图2为本发明实施例一的部分剖视图; [0020] FIG. 2 a sectional view of a portion of the embodiment of the present invention;

[0021]图3为本发明实施例一的结构示意图; [0021] Fig 3 a schematic structural diagram of the embodiment of the present invention;

[0022]图4为本发明实施例一平衡架的分解图; [0022] FIG. 4 an exploded view of a gimbal embodiment of the invention;

[0023]图5为本发明实施例一导芯的结构示意图; [0023] FIG. 5 is a schematic structure of a guide core embodiment of the present invention;

[0024]图6为本发明实施例二的爆炸图; [0024] FIG. 6 an exploded view of a second embodiment of the present invention;

[0025]图7为本发明实施例二的部分剖视图; [0025] FIG. 7 a partial sectional view of a second embodiment of the present invention;

[0026]图8为本发明实施例二的整体剖视图; [0026] FIG. 8 as a whole cross-sectional view of a second embodiment of the present invention;

[0027]图9为本发明实施例二软弹性体的结构示意图; [0027] FIG. 9 is a schematic structure of two soft elastomer embodiment of the present invention;

[0028]图10为本发明实施例三的爆炸图; [0028] Figure 10 an exploded view of a third embodiment of the present invention;

[0029]图11为本发明实施例三的部分剖视图; [0029] FIG. 11 a partial sectional view of a third embodiment of the present invention;

[0030]图12为本发明实施例三的整体剖视图; [0030] FIG. 12 as a whole cross-sectional view of a third embodiment of the present invention;

[0031]图13为本发明实施例四的爆炸图; [0031] FIG. 13 is an exploded view of embodiment four of the present invention;

[0032]图14为本发明实施例四的部分剖视图; [0032] FIG. 14 a partial sectional view according to a fourth embodiment of the present invention;

[0033]图15为本发明实施例四的整体剖视图。 [0033] FIG 15 a sectional view of the entire fourth embodiment of the present invention.

具体实施方式 Detailed ways

[0034]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。 [0034] To further elaborate the technical means and effects the present invention is adopted for the purpose intended, in conjunction with the accompanying drawings and the following preferred embodiments, specific embodiments of the present invention will be described.

[0035] 实施例一: [0035] Example a:

[0036]请参照图1至图f5,本实施例提供一种高平衡性超薄型按键开关,包括一基座丨、及设置于基座1上的一键帽2,在该基座1上设置有一容置槽11,且在该容置槽11内底部设置有一导通点A3与一导通点B4。 [0036] Referring to FIG. 1 to FIG f5, provides a highly balanced ultra-thin key switch according to the present embodiment, includes a base Shu, and a keytop disposed on the base 1 2, the base 1 is provided with a receiving groove 11, and the bottom of the receiving groove 11 is provided with a conduction point A3 with a conduction point B4. 在本实施例中,按键开关还包括设置于容置槽11内的一导通弹性体5、活动设置于容置槽11内且位于导通弹性体5上方的一导芯6、及套设于导芯6上部且盖合于容置槽11上的一盖子7,其中,该导通弹性体5中部向上拱起形成一锅底状凸起51,且该导通点A3与导通弹性体5边缘接触,该导通点B4位于锅底状凸起51下方;通过向下按压导芯6,并将按压力传递给导通弹性体5中部的锅底状凸起51,锅底状凸起51产生形变向下凹而与导通点B4接触,实现导通功能,并通过弹性恢复力使锅底状凸起51回弹,锅底状凸起51 与导通点B4分离,实现断开功能。 In the present embodiment, the key switch further comprises receiving through a conductive elastic member 5, the movable within 11 disposed in the receiving groove 11 and is positioned above the conductive elastic member 5 a guide core 6, and sleeved 6 and in an upper guide core covered on a receiving groove 11 on the lid 7, wherein the middle conductive elastomer 5 rides up a pot-shaped protrusion 51 is formed, and the conductive elastic conduction point A3 5 edge contact, the conduction point B4 is located below the bottom of the pot-shaped projection 51; 6, and passes through the guide core is pressed downward pressing force to the bottom of the pot-shaped middle conductive elastomer 51 5 projections, pot-shaped deformed protrusion 51 comes into contact with the concave turned point B4, to realize the function is turned on, and that the bottom of the pot-shaped projections 51 by the elastic restoring force of the resilient, pot-like protrusion 51 and the conductive point and B4, to achieve disconnect function.

[0037]在本实施例中,导通点A3与导通点B4伸出基座外,便于与PCB板连接;导通弹性体5 为锅仔片,其中部呈向上的锅底状凸起,导通弹性体5边缘与导通点A3接触,当未按压导芯6 时,导通点B4与导通弹性体5中部分离,当向下按压导芯6时,导通弹性体5中部向上拱起位置与导通点B4接触实现导通。 [0037] In the present embodiment, the conduction point A3 B4 conduction point outside beyond the base, to facilitate connection to the PCB; conductive elastomer dome 5, wherein the bottom of the pot-shaped portion has an upward projection , the elastic member 5 is turned oN in contact with the edge of the point A3, when no pressing guide core 6, the conducting point B4 is separated from the central conductive elastomer 5, 6:00 when pressed down guide core, the central conductive elastomer 5 arched upwardly turned position of the point-contact conduction is B4.

[0038]如图2与图5所示,所述导芯6中部向上拱起,形成上下活动于盖子7上下端面的一上凸台61、及位于上凸台61下端边缘且向外侧延伸的一环形卡体62,其中,该环形卡体62限位于盖子7下方,该上凸台61下端向下延伸设置有位于锅底状凸起51上方的一导向轴63。 [0038] As shown in FIG. 2 and FIG. 5, the upwardly arched central guide core 6, the cover 7 is formed up and down on an upper end surface of the upper and lower bosses 61 and 61 located on the lower edge of the boss and extending outwardly a card annular body 62, which limits the annular body 62 is positioned below the card cover 7, the lower end of the upper boss 61 is provided with a downwardly extending guide shaft 51 is located above the bottom of the pot-shaped projection 63. [0039]在本实施例中,如图2所示,所述环形卡体62下端向下延伸,并与导通弹性体5上端面边缘接触。 [0039] In the present embodiment, as shown in FIG. 2, the lower end 62 downwardly extending annular card body, and edge contact with the upper end surface of the elastic body 5 is turned on.

[0040]工作时,向下按压导芯6,导芯6下端的导向轴63下移作用于导通弹性体5中部的锅底状凸起51,锅底状凸起51产生形变向下凹,则与导通点B4接触,实现信号的导通功能;而当释放对导芯6的按压时,由于导通弹性体5自身的弹性恢复力,锅底状凸起51回弹,锅底状凸起51与导通点B4分离,带动导芯6复位,实现断开功能。 [0040] In operation, the downward guide core 6 is pressed, the guide shaft 63 guide the lower end down action of the core 6 in the bottom of the pot-shaped central protrusion 51 of the elastic member 5 is turned on, the pot-shaped projection 51 to deform to the concave , the contact point of the conduction B4, to realize the function of the signal conduction; when pressed to release the guide core 6, due to its elastic conductive elastic restoring force member 5, bottom of the pot-shaped projections 51 rebound, pot shaped protrusion 51 is separated from the conduction point B4, driven guide core 6 of reset breaking function.

[0041]同时,如图1、图3与图4所示,为了提高按压平衡性及受力均衡性,使按压键帽2的任一位置均能实现导通功能,本实施例在所述基座1上且位于容置槽11周围环设有一环槽12,在该环槽12内设置有一平衡架20,该平衡架20包括一平衡杆A201、及环设于平衡杆A201 外围的一平衡杆B202,且该平衡杆A201与平衡杆B202均为封闭型框架结构;所述平衡杆A201相对的两外侧边上分别设置有一插轴2011,在该平衡杆B202相对的两内侧边上分别设置有供插轴2〇11插入的插孔2〇21;同时,在该平衡杆B2〇2—端部相对的两外侧边上分别设置有一插柱2022,在该基座1上开设有供插柱2022插入的插槽13。 [0041] Meanwhile, in FIG. 1, FIG. 3 and FIG. 4, in order to improve the balance of the pressing force and the balance, a position of the pressing any key cap 2 can achieve the function is turned on, in the embodiment of the present embodiment the base 1 and is located on the ring is provided with an annular groove 12 around the receiving groove 11, a gimbal 20 in the ring 12, provided with grooves, the gimbal 20 includes a balance bar A201, and the ring provided on the balance rail A201 periphery of a balance bar B202, and the balance bar stabilizer bar B202 and A201 are closed frame structure; the balance bar A201 two opposite outer sides are respectively provided with a shaft plug 2011, two opposite sides of the inner balance bar B202 are provided for the insertion of the jack shaft inserted 2〇11 2〇21; Meanwhile, there is provided a column 2022 is inserted in two opposite outer sides of the balance bar ends B2〇2- respectively, on the base 1 2022 defines a stake for insertion slot 13.

[0042]如图1与图2所示,在所述环槽12内且位于容置槽11后外侧边设置有一安装板30, 该平衡杆A201的一端嵌入于安装板30与容置槽11外壁之间。 [0042] FIG. 1 and FIG. 2, within the annular groove 12 and is located in a receiving groove 11 of the mounting plate 30 after the outer side edge is provided with one end of the balance lever A201 is fitted to the mounting plate 30 and the receiving slot 11 between the outer wall.

[0043]如图2所示,所述容置槽11前端外壁上向外凸设有一前凸筋111,所述安装板30外壁上向外凸设有一后凸筋301;所述盖子7包括盖合于容置槽11上端的一上盖片71、设置于上盖片71前端且具有前卡孔721的一前下钩片72、及设置于上盖片71后端且具有后卡孔731 的一后下钩片73,该前下钩片72勾设于容置槽11前端,且该前凸筋111插入于前卡孔721中, 该后下钩片73勾设于安装板30外壁上,且该后凸筋301插入于后卡孔731中,使该平衡杆A201的一端限位于盖子7下方,该盖子7起到将导芯6与导通弹性体5限位于容置槽11内的作用。 [0043] 2, the front end of the accommodating groove 11 is provided with an outer wall of a lordosis outwardly projecting rib 111, an outer wall of the mounting plate 30 is provided with an outwardly projecting rib 301 kyphosis; 7 comprises the cap covered on a top cover plate 11 receiving the upper end of the groove 71, 71 provided on the front end of the front cover sheet and having a latching holes 72, 71 provided at the rear end and a front cover sheet and the hook sheet 721 having a rear locking hole 731 a rear plate lower hook 73, the hook 72 of the front plate provided at the front end of the hook receiving slot 11, and the rib 111 is inserted before the lordosis locking hole 721, the lower sheet 73 of the hook after the hook 30 provided on the mounting plate after the outer wall, and the rib 301 is inserted into the card kyphosis hole 731, so that the stabilizer bar is positioned below an end of the lid A201 limits 7, 7 of the cover 6 serves to guide the core member 5 and the conductive elastic limit is at the accommodating groove action in the 11.

[0044] 实施例二: [0044] Example II:

[0045] 如图6至图9所示,本实施例与实施例一的主要区别在于:所述环形卡体62下端与导通弹性体5上端面边缘分离;同时,在所述容置槽11内且位于导芯6与导通弹性体5之间设置有一软弹性体8,在本实施例中,软弹性体8可以为硅胶,该软弹性体8包括位于导通弹性体5上端面上的一弹性底片81、及设置于弹性底片81上端中心位置处且位于导向轴63正下方的一弹性导向柱82;通过向下按压导芯6,并通过软弹性体8将按压力传递给导通弹性体5 中部的锅底状凸起51,锅底状凸起51产生形变向下凹而与导通点B4接触,实现导通功能,并由软弹性体8的弹性恢复力使锅底状凸起51回弹,锅底状凸起51与导通点B4分离,实现断开功能。 [0045] As shown in FIG. 6 to FIG. 9, the present embodiment is an embodiment of the main difference is that: an edge card body separating the annular end surface 62 on the lower end of the elastic body 5 is turned on; Meanwhile, in the accommodating groove and located guide core 6 between the conductive elastic body 5 and is provided 11 with a soft elastic body 8, in this embodiment, the soft elastic body 8 may be a silica gel, the soft elastic body 8 comprises a conductive elastomer 5 end surface 81 on an elastic backsheet, and an elastic guide post provided at the upper end of the center position of the elastic backsheet 81 and the guide shaft 63 is located just below 82; 6, and transmitted to the core by pressing the turned down by a pressing force 8 a soft elastomer bottom of the pot-shaped middle conductive elastomer 51 5 projections, pot-like protrusion 51 is deformed in contact with the concave turned point B4, to realize the function is turned on, 8 by the elastic restoring force of the pan so that a soft elastomer like projections 51 rebound bottom, the pot-shaped projection 51 is separated from the conduction point B4, to realize disconnect function. 所述弹性底片81中部向上拱起,且该弹性底片81边缘与导通弹性体5上端面边缘接触。 Central 81 rides up the elastic backsheet, backsheet 81 and the elastic contact with the upper edge of the end surface edge conductive elastic body 5.

[0046]如图2与图8所示,由于本实施例增加了具有弹性导向柱82的软弹性体8,用于传导导芯的按压力,因此,本实施例导向轴63的高度可以做得比实施例一导向轴63的高度低。 [0046] As shown in FIG. 2 and FIG. 8, since the present embodiment, an increase of 8, the pressing force for conducting permeable core has an elastic guide post 82 of a soft elastomer, and therefore, the height of the guide shaft 63 in the embodiment according to the present embodiment can be done a height lower than the guide shaft 63 embodiment. [0047]本实施例通过在导芯6与导通弹性体5之间增设一软弹性体8,不但起到保护导通弹性体5、为导芯6传递力量的作用,而且起到预压与回弹的作用。 [0047] In this embodiment, the addition of a soft elastic body between the guide core 6 and the elastic body 58 is turned, not only to protect the elastic member 5 is turned on, power is transmitted to act guide core 6, and functions as a preload and the role of rebound.

[0048]工作时,向下按压导芯6,导芯6下端的导向轴63下移作用于软弹性体8上的弹性导向柱82,当不断下压时,弹性底片81形变下压导通弹性体5中部的锅底状凸起51,锅底状凸起51产生形变向下凹,则与导通点B4接触,实现信号的导通功能;而当释放对导芯6的按压时,由于软弹性体8的弹性恢复力而回弹,锅底状凸起51与导通点B4分离,带动导芯6复位, 实现断开功能。 [0048] In operation, the downward guide core 6 is pressed, the guide shaft 63 guide the lower end 6 down action of the elastic core 8 on the guide post 82 a soft elastomer, when continually pressed, elastic deformation pressure of the backsheet 81 is turned on bottom of the pot-shaped central protrusion 51 of the elastic body 5, the pot-shaped projection 51 deformed downwardly concave, the contact point of the conduction B4, to realize the function of the signal conduction; and when the pressing is released when the guide core 6, soft elastic body 8 due to the elastic restoring force of rebound, pot-like protrusion 51 B4 is separated from the conducting contacts, drive guide core 6 of reset breaking function.

[0049] 实施例三: [0049] Example III:

[0050]如图10至图12所示,本实施例与实施例一的主要区别在于:所述环形卡体62下端与导通弹性体5上端面边缘分离;同时,在所述容置槽11内且位于导芯6与导通弹性体5之间设置有一弹簧A9,该弹簧A9上端套设于导向轴63外围,下端位于导通弹性体5上端面上;通过向下按压导芯6,并通过弹簧A9将按压力传递给导通弹性体5中部的锅底状凸起51,锅底状凸51起产生形变向下凹而与导通点B4接触,实现导通功能,并由弹簧A9的弹性恢复力使锅底状凸起51回弹,锅底状凸起51与导通点B4分离,实现断开功能。 [0050] As shown in FIG. 10 to FIG. 12, the present embodiment is an embodiment of the main difference is that: an edge card body separating the annular end surface 62 on the lower end of the elastic body 5 is turned on; Meanwhile, in the accommodating groove 6 and is located between the conductive guide core 5 and the elastic member 11 is provided with a spring A9, A9 upper end of the spring is sleeved on the periphery of the guide shaft 63, located at the lower end of the upper end face of the elastic member 5 is turned on; by pressing down guide core 6 and A9 will be transmitted through the compression spring to the bottom of the pot-shaped middle conducting elastomeric protrusion 51 5, from the pot-shaped projection 51 to deform into contact with the concave turned point B4, to realize the function is turned on by A9 elastic restoring force of the spring 51 causes the bottom of the pot-shaped resilient projections, pot-like protrusion 51 is separated from the conduction point B4, to realize disconnect function.

[0051]本实施例通过在导芯6与导通弹性体5之间增设一弹簧A9,起到为导芯6传递力量、 预压及回弹的功能。 [0051] In the present embodiment, by adding between the conductive core and the conductive elastic body 6 a spring 5 the A9, functions to transfer forces guide core 6, preload and spring back features.

[0052]工作时,向下按压导芯6,导芯6下端的导向轴63下移作用于弹簧A9,弹賛A9压缩, 并作用于导通弹性体5中部的锅底状凸起51,锅底状凸起51产生形变向下凹,则与导通点B4 接触,实现信号的导通功能;而当释放对导芯6的按压时,由于弹簧A9的弹性恢复力而回弹, 锅底状凸起51与导通点B4分离,带动导芯6复位,实现断开功能。 [0052] In operation, guide core 6 is pressed down, the lower end of the guide shaft 6 is applied to the conductive core 63 down spring A9, A9 Like playing compressed and acts on the elastic member 5 is turned in the middle of the pot-shaped projection 51, bottom of the pot-shaped projection 51 deformed downwardly concave, the contact point of the conduction B4, to realize the function of the signal conduction; when pressed to release the guide core 6, due to the elastic restoring force of the spring A9 rebound pot bottom-like projections 51 B4 is separated from the conducting contacts, drive guide core 6 of reset breaking function.

[0053] 实施例四: [0053] Example IV:

[0054]如图13至图15所示,本实施例与实施例二的主要区别在于:在所述容置槽11内且位于导芯6与软弹性体8之间设置有一弹簧B10,该弹簧B10上端套设于导向轴63外围,下端套设于弹性导向柱82外围;通过向下按压导芯6,并通过软弹性体8将按压力传递给导通弹性体5中部的锅底状凸起51,锅底状凸起51产生形变向下凹而与导通点B4接触,实现导通功能,并由弹簧B10的弹性恢复力使锅底状凸起51回弹,锅底状凸起51与导通点B4分离,实现断开功能。 [0054] As shown in FIG. 13 to FIG. 15, the present embodiment and the embodiment that the main difference between the two embodiments: the core disposed in the guide and is positioned within the accommodating groove 116 between a soft elastomer and a spring 8 BlO, the B10 upper end of the spring guide shaft 63 provided on the sleeve periphery, the periphery of the lower end of the elastic sleeve disposed on the guide post 82; 6, 8 and will be transmitted through a soft elastomer to a pressure pot-shaped middle conducting elastomeric core 5 by pressing down guide protrusion 51, the pot-shaped projection 51 is deformed into contact with the conducting contacts the concave B4, to realize the function is turned on by the elastic restoring force of the spring B10 bottom of the pot-shaped projections 51 rebound, pot-like protrusion 51 isolated from the conduction point B4, to realize disconnect function.

[0055]如图12与图I5所示,由于本实施例中是在具备软弹性体8的前提下增加了弹簧B10,因此,可以将弹簧B10的高度做得比实施例三弹簧A9的高度低。 [0055] As shown in FIG. 12 and FIG I5, since the present embodiment is provided with a soft elastomer increases the spring B10 premise 8, therefore, the height of the spring B10 may be done than the height of the spring according to a third embodiment of the A9 low.

[0056] 本实施例将软弹性体8与弹簧B10相结合,软弹性体8起到保护导通弹性体5、为导芯6传递力量的功能,弹簧B10起到预压与回弹的功能。 [0056] Example embodiment of the present soft elastic body 8 in combination with the spring B10, the soft elastic body 8 protects the conductive elastomer 5, 6 of the power transfer function of the core guide, the spring preload and resilient B10 play function .

[0057] 工作时,向下按压导芯6,导芯6下端的导向轴63下移作用于软弹性体8上的弹性导向柱82,同时弹簧B10压缩,当不断下压时,弹性底片81形变下压导通弹性体5中部的锅底状凸起51,锅底状凸起51产生形变向下凹,则与导通点B4接触,实现信号的导通功能;而当释放对导芯6的按压时,由于弹簧B10的弹性恢复力而回弹,锅底状凸起51与导通点B4分离,带动导芯6复位,实现断开功能。 When the [0057] work, guide core 6 is pressed down, the guide shafts 63 downward action of the lower end 6 of the core guide 82 while compressing the resilient spring B10 guide post 8 on a soft elastomer, when continuously depressed, an elastic backsheet 81 press the middle conductive elastomer 5 at the bottom of the pot-shaped deformation projections 51, the pot-shaped projection 51 deformed downwardly concave, the contact point of the conduction B4, to realize the function of the signal conduction; and when the release of the guide core 6 is pressing, due to the elastic restoring force of the spring B10 rebound, pot-like protrusion 51 is separated from the conduction point B4, driven guide core 6 of reset breaking function.

[0058] 以上所述,仅是本发明的较佳实施例而己,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。 [0058] The above, only the preferred embodiment of the present invention and have not any limit to the technical scope of the present invention, so the use of the above-described embodiments of the invention with the same or similar technical features, and other configurations obtained, They are within the scope of the present invention.

Claims (9)

  1. 、L 一种闻平衡性超薄型按键开关,包括一基座、及设置于基座上的一键帽,在该基座上设置有谷置槽,且在该谷置槽内底部设置有一导通点A与一导通点B,其特征在于,还包括设置于容置槽内的一导通弹性体、活动设置于容置槽内且位于导通弹性体上方的一导芯、 及套设于导芯上部且盖合于容置槽上的一盖子,其中,该导通弹性体中部向上拱起形成一锅底状凸起,且该导通点A与导通弹性体边缘接触,该导通点B位于锅底状凸起下方;通过向下按压导芯,并将按压力传递给导通弹性体中部的锅底状凸起,锅底状凸起产生形变向下凹而与导通点B接触,实现导通功能,并通过弹性恢复力使锅底状凸起回弹,锅底状凸起与导通点B分离,实现断开功能。 , L smell one kind of balanced ultra-thin key switch comprising a base, a keycap and disposed on the base, the valley is provided with a groove on the base, and the bottom of the trough is provided with a groove opposite a point with a conduction conduction points B, characterized by further comprising a receiving groove disposed on a conductive elastic body, the movable core disposed on a guide positioned above the receiving groove and an elastomeric conductive, and sleeve disposed on the upper guide core and a cover bonded to cover the accommodating groove, wherein a middle portion of the conductive elastic body rides up a pot-like projection is formed, and the point a conductive contact with the conductive elastic body edge the conduction point B is located below the bottom of the pot-shaped projection; by pressing down the guide core, and transferred to the bottom of the pot-shaped middle conducting elastomeric protrusion pressing force, to the bottom of the pot-shaped concave and convex deformed conducting contact with point B, the function is turned on to achieve, by the elastic restoring force of the pot-shaped resilient projection, separated from the bottom of the pot-shaped projection is turned on point B, the shutdown function to achieve.
  2. 2. 根据权利要求1所述的高平衡性超薄型按键开关,其特征在于,所述导芯中部向上拱起,形成上下活动于盖子上下端面的一上凸台、及位于上凸台下端边缘且向外侧延伸的一环形卡体,其中,该环形卡体限位于盖子下方,该上凸台下端向下延伸设置有位于锅底状凸起上方的一导向轴。 The balance of the ultra-thin high key switch according to claim 1, characterized in that the guide rides up the central core, is formed in an upper vertically movable upper and lower end cap bosses, and the audience is located on the convex side and an annular edge of the card body extending outward, wherein the annular lid is positioned below the card body is limited, the convex end of the audience is provided with a downwardly extending guide shaft is positioned above the bottom of the pot-like projections.
  3. 3. 根据权利要求2所述的高平衡性超薄型按键开关,其特征在于,所述环形卡体下端向下延伸,并与导通弹性体上端面边缘接触。 The balance of the ultra-thin high key switch according to claim 2, wherein said annular lower card body extending downward, and contacts with the upper edge of the end surface conductive elastomer.
  4. 4. 根据权利要求2所述的高平衡性超薄型按键开关,其特征在于,在所述容置槽内且位于导芯与导通弹性体之间设置有一软弹性体,该软弹性体包括位于导通弹性体上端面上的一弹性底片、及设置于弹性底片上端中心位置处且位于导向轴正下方的一弹性导向柱;通过向下按压导芯,并通过软弹性体将按压力传递给导通弹性体中部的锅底状凸起,锅底状凸起产生形变向下凹而与导通点B接触,实现导通功能,并由软弹性体的弹性恢复力使锅底状凸起回弹,锅底状凸起与导通点B分离,实现断开功能。 The balance of the ultra-thin high key switch according to claim 2, wherein, in the receiving groove and is located in a soft elastic body is provided between the conductive core and the conductive elastic body, the soft elastomer includes an upper end face of a conductive elastomer elastic backsheet, and an elastic backsheet provided at the upper end of the guide shaft and the center position of a positive downward elastic guide post; pressed downward by the guide core, and a soft elastic body by the pressing force transferred to the bottom of the pot-shaped middle conducting elastomeric projections, pot-like projections deformed into contact with the concave turned to point B, to realize the function is turned on by the elastic restoring force of the elastic member so that the soft bottom of the pot-shaped resilient projections, pot-shaped projection separated from the conduction point B, the shutdown function to achieve.
  5. 5. 根据权利要求4所述的高平衡性超薄型按键开关,其特征在于,所述弹性底片中部向上拱起,且该弹性底片边缘与导通弹性体上端面边缘接触。 The balance of the ultra-thin high key switch according to claim 4, wherein the resilient middle cambered upwardly backsheet, and the elastic contact with the upper edge of the end face edge of the backsheet conductive elastomer.
  6. 6. 根据权利要求2所述的高平衡性超薄型按键开关,其特征在于,在所述容置槽内且位于导芯与导通弹性体之间设置有一弹簧A,该弹簧A上端套设于导向轴外围,下端位于导通弹性体上端面上;通过向下按压导芯,并通过弹簧A将按压力传递给导通弹性体中部的锅底状凸起,锅底状凸起产生形变向下凹而与导通点B接触,实现导通功能,并由弹簧A的弹性恢复力使锅底状凸起回弹,锅底状凸起与导通点B分离,实现断开功能。 The balance of the ultra-thin high key switch according to claim 2, wherein, in the receiving groove and located between the guide is provided with a conductive core and an elastomeric spring A, the upper end of the spring sets A a guide shaft provided on the periphery at the upper end surface of the lower conductive elastomer; guide core by pressing down, and passed to the bottom of the pot-shaped middle conducting elastomeric a pressing force by the spring projections, pot-like projections generated downwardly concave deformation in contact with the conducting point B, the function is turned on to achieve, by the elastic restoring force of the spring causes the bottom of the pot-like projections a resilient, pot-shaped projection separated from the conduction point B, the shutdown function to achieve .
  7. 7. 根据权利要求4所述的高平衡性超薄型按键开关,其特征在于,在所述容置槽内且位于导芯与软弹性体之间设置有一弹簧B,该弹簧B上端套设于导向轴外围,下端套设于弹性导向柱外围;通过向下按压导芯,并通过软弹性体将按压力传递给导通弹性体中部的锅底状凸起,锅底状凸起产生形变向下凹而与导通点B接触,实现导通功能,并由弹簧B的弹性恢复力使锅底状凸起回弹,锅底状凸起与导通点B分离,实现断开功能。 The balance of the ultra-thin high key switch according to claim 4, wherein, in the receiving groove and located between the guide is provided with a core and a soft elastomeric spring B, the upper end of the spring is sleeved B peripheral guide shaft, the lower end of the elastic sleeve disposed in a peripheral guide post; pressed downward by a wick, and passed to the bottom of the pot-shaped middle conducting elastomeric pressing force by a soft elastomeric bumps, pot-like protrusion deforms downwardly concave contact point B and the conduction, to realize the function is turned on by the resilient restoring force B of the pot-shaped resilient projection, separated from the bottom of the pot-shaped projection point B is turned on, to achieve disconnect function.
  8. 8. 根据权利要求1至7中任一所述的高平衡性超薄型按键开关,其特征在于,在所述基座上且位于容置槽周围环设有一环槽,在该环槽内设置有一平衡架,该平衡架包括一平衡杆A、及环设于平衡杆A外围的一平衡杆B,且该平衡杆A与平衡杆B均为封闭型框架结构;所述平衡杆A相对的两外侧边上分别设置有一插轴,在该平衡杆B相对的两内侧边上分别设置有供插轴插入的插孔;同时,在该平衡杆B一端部相对的两外侧边上分别设置有一插柱,在该基座上开设有供插柱插入的插槽。 1 to 7 according to any one of the ultra-thin high equilibrium a key switch according to claim, characterized in that, on the base and located around the ring receiving groove is provided with an annular groove, the annular groove is provided with a gimbal, the gimbal comprises a balance bar a, B, and a balance bar disposed around the periphery of the balance lever a, and the balance lever a and lever B are balanced closed frame structure; the balance lever a relatively the two outer sides are respectively provided with a shaft is inserted, is provided with insertion hole for insertion shaft is inserted in the inside of two opposite sides of the balance bar B, respectively; the same time, the end portion of balance bar B opposite sides of the two outer are provided on a stake, has opened on the base of the slot for inserting the stake.
  9. 9. 根据权利要求8所述的高平衡性超薄型按键开关,其特征在于,在所述环槽内且位于容置槽后外侧边设置有一安装板,该平衡杆A的一端嵌入于安装板与容置槽外土之间二10.根据权利要求9所述的高平衡性超薄型按键开关,其特征在于,所述容置槽前端外壁上向外凸设有一前凸筋,所述安装板外壁上向外凸设有一后凸筋;所述盖子包括盖合于容置槽上端的一上盖片、设置于上盖片前端且具有前卡孔的一前下钩片、及设置于上盖片—后下钩片,该前下钩片勾设于容置槽前端,且该前凸筋插入于前卡下^片勾设于安装板外壁上,且该后凸筋插入于后卡孔中,使该平衡杆A的-端 9. The high balance of ultra-thin key switch according to claim 8, wherein, in said annular groove and located at outer side edge a mounting plate is provided with a rear receiving slot, one end of which is fitted to the stabilizer bar A mounting the outer panel receiving slot between two soil according to claim ultrathin high balanced push switch of claim 9, wherein the outer wall of the groove receiving the front end is provided with outwardly projecting ribs a lordosis, the outer wall of the mounting plate is provided with outwardly projecting ribs a kyphosis; bonded to the cover cap comprises a cover plate accommodating the upper end of the groove is provided in the upper cover plate and the front end of the hook plate having a front aperture of the front card, and a cover sheet disposed on - after the hook plate, the hook piece is hooked to the front tip end receiving slot, and the rib is inserted at the front lordosis card ^ hook piece disposed on an outer wall of the mounting plate, and the rib kyphosis after the card is inserted in the hole, so that the balance lever a - end
CN201710545840.XA 2017-07-06 2017-07-06 High-balance ultra-thin type key switch CN107331563A (en)

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PCT/CN2018/093614 WO2019007273A1 (en) 2017-07-06 2018-06-29 High-balance ultra-thin type key switch
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CN109065393A (en) * 2018-08-31 2018-12-21 苏州达方电子有限公司 Key
WO2019007273A1 (en) * 2017-07-06 2019-01-10 东莞市凯华电子有限公司 High-balance ultra-thin type key switch

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US5510584A (en) * 1995-03-07 1996-04-23 Itt Corporation Sequentially operated snap action membrane switches
US9870880B2 (en) * 2014-09-30 2018-01-16 Apple Inc. Dome switch and switch housing for keyboard assembly
CN106057536B (en) * 2016-08-05 2019-05-03 苏州达方电子有限公司 Press-key structure
CN107331563A (en) * 2017-07-06 2017-11-07 东莞市凯华电子有限公司 High-balance ultra-thin type key switch
CN207217365U (en) * 2017-07-06 2018-04-10 东莞市凯华电子有限公司 Ultra -thin type key switch of high equilibrium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019007273A1 (en) * 2017-07-06 2019-01-10 东莞市凯华电子有限公司 High-balance ultra-thin type key switch
CN109065393A (en) * 2018-08-31 2018-12-21 苏州达方电子有限公司 Key

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