WO2018121423A1 - Ultrathin pushbutton switch - Google Patents
Ultrathin pushbutton switchDownload PDFInfo
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- WO2018121423A1 WO2018121423A1PCT/CN2017/117912CN2017117912WWO2018121423A1WO 2018121423 A1WO2018121423 A1WO 2018121423A1CN 2017117912 WCN2017117912 WCN 2017117912WWO 2018121423 A1WO2018121423 A1WO 2018121423A1
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- guiding
- core
- base
- balance bar
- guiding core
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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
- H01H13/12—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
Definitions
- the utility modelrelates to a key switch, in particular to an ultra-thin key switch.
- buttons switchare used as an input means.
- the quality of the key switchdetermines the experience of the input device, which requires the button switch to have a good feel and sound.
- the existing thin key switch using a metal piece as a moving contact piececannot always have a pressing feel like a large key switch because of the limitation of the internal space of the switch.
- the compression stabilityis poor, resulting in unsmooth use and affecting normal use.
- the existing push button switchcannot meet the requirements of the thin design when the pressing feel and the pressing stability are satisfied.
- the object of the present inventionis to provide an ultra-thin key switch with reasonable structural design, reduced thickness, improved press balance and press stability, and enhanced pressing feel.
- An ultra-thin key switchincludes a base and a cover attached to the base, the cover has an opening, and further comprises a guiding core, a torsion spring and a guide respectively arranged on the base a guiding member and a guiding core block, wherein a guiding post is protruded upward from a center of the upper end of the base, a guiding hole is defined in a center of the guiding column, and a guiding hole for inserting the conduction component is disposed at one end of the guiding base
- the other end of the guiding coreis provided with a torsion spring slot;
- the guiding coreis located at the side of the guiding core, and the lower end of the guiding core defines an annular slot, and the annular slot is convex downward
- the insertion postis inserted into the guiding hole of the base, and the guiding post of the base is inserted into the annular slot, and the guiding post and the outer side of the plug are sleeved with a spring; the lower
- an annular receiving grooveis defined in an upper end edge of the base, and a balance bar assembly is disposed in the annular receiving groove, the balance bar assembly is mainly composed of a split first balance bar and a second The balance bar is formed by crossing, and the first balance bar and the second balance bar are both disposed at the lower end of the guide core.
- the first balance bar and the second balance barare both U-shaped, and the open end of the first balance bar and the open end of the second balance bar are disposed to cross each other;
- the first balance The rodincludes a first transverse rod and a first longitudinal rod respectively connected to the two ends of the first transverse rod, the first longitudinal rod end is provided with a first bending hook outwardly;
- the second balance The rodincludes a second transverse rod and a second longitudinal rod respectively connected to the two ends of the second horizontal rod, the second longitudinal rod end is provided with a second hook bent inward;
- the first transverse The rodis located at a lower end of one side of the core, and the second horizontal rod is located at a lower end of the other side of the core.
- the upper end of the lead post of the lead coredefines a mounting hole in which an LED lamp is mounted.
- the conduction componentcomprises a static piece and a moving piece.
- the position groove or the retaining holeis used as the avoidance of the base, which provides a space for the lead of the guiding core to make the guiding core and the base
- the mating length before sliding between each otheris lengthened, and the core pressing does not cause a click feeling; at the same time, the height of the button switch is lowered, so that the overall thickness of the button switch is thinner;
- Figure 1is an assembly view of the present invention
- FIG. 2is a schematic structural view of a base of the present invention
- Figure 3is a cross-sectional view of the present invention.
- Figure 4is a schematic structural view of the balance bar assembly of the present invention.
- Figure 5is a schematic structural view of the bottom of the guide core of the present invention.
- Figure 6is a schematic structural view of the bottom of the base of the present invention.
- Figure 7is another schematic structural view of the bottom of the base of the present invention.
- Figure 8is a schematic view showing the external structure of the utility model in a free state
- Figure 9is a cross-sectional view of the utility model in a free state
- Figure 10is another cross-sectional view of the utility model in a free state
- Figure 11is a schematic view showing the external structure of the utility model in a pressed state
- Figure 12is a cross-sectional view of the utility model in a depressed state
- Figure 13is another cross-sectional view of the present invention in a depressed state.
- the embodimentprovides an ultra-thin key switch including a base 1 and a cover 2 attached to the base 1 .
- the cover 2defines an opening 21 and includes
- the guide core 3, the torsion spring 4, the conduction assembly 5 and the core guide slider 6are disposed on the base 1.
- the center of the upper end of the base 1is convexly provided with a guide post 11 at the center of the guide post 11
- a guiding hole 12is defined downwardly, and one end of the base 1 is provided with a conducting component slot 14 for inserting the conductive component 5, and the other end is provided with a torsion spring slot 15 for inserting the torsion spring 4; the guiding core
- the slider 6is located at the side of the guiding core 3.
- the lower end of the guiding core 3defines an annular slot 31.
- a protruding post 32is protruded downwardly from the central portion of the annular slot 31.
- the insertion post 32is inserted into the guiding hole 12 of the base 1.
- the guiding post 11 of the base 1is inserted into the annular slot 31, and a spring 7 is sleeved on the outer side of the guiding post 11 and the insertion post 32; a digging groove is formed in the lower end surface of the guiding core 3 to make the guiding core 3 lower end faces form a plurality of core lobes 33.
- the lead rib 33is provided with a yield space in two ways.
- One wayis to provide a plurality of places on the pedestal 1 and outside the guide post 11 for the guide rib 33 to extend.
- a groove 16and the depth of the yielding groove 16 is exactly equal to the height of the guiding core 33; the other way is: on the base 1 and located outside the guiding column 11 , the guiding core 33 passes through A number of yielding holes 16'.
- an annular receiving groove 13is defined in an upper end edge of the base 1, and a balance bar assembly 8 is disposed in the annular receiving groove 13.
- the balance bar assembly 8is mainly separated by a first type.
- the balance bar 81is formed to intersect with the second balance bar 82.
- the first balance bar 81 and the second balance bar 82are both disposed at the lower end of the guide core 3.
- a mounting hole 321is defined in the upper end of the insertion post 32.
- the LED light 10is mounted in the mounting hole 321 to realize an intermediate light-emitting function.
- the first balance bar 81 and the second balance bar 82are both U-shaped, and the open end of the first balance bar 81 and the open end of the second balance bar 82 are disposed to cross each other.
- the first balance bar 81includes a first horizontal rod 811 and a first longitudinal rod 812 respectively connected to the two ends of the first horizontal rod 811.
- the first longitudinal rod 812is provided with an outward bend.
- the second balance bar 82includes a second transverse rod 821, and a second longitudinal rod 822 connected to the two ends of the second transverse rod 821, the second longitudinal rod 822 end
- the second bending hook 823is bent inwardly; the first transverse rod 811 is located at the lower end of the guiding core 3, and the second transverse rod 821 is located at the lower end of the other side of the guiding core 3.
- the conduction component 5includes a static piece 51 and a movable piece 52.
- the insertion post 32 of the guide core 3is inserted into the guide hole 12 of the base 1, and the core projection 33 of the lower end of the guide core 3 is inserted into the base 1
- the guiding post 11 of the base 1is inserted into the annular slot 31 of the guiding core 3, and the spring 7 is compressed to touch the static piece 51 of the conducting assembly 5
- the sheets 52are in contact with each other to realize the conduction function of the button switches; at the same time, the lower ends of the guiding cores 3 respectively apply the first horizontal rods 811 of the first balance rod 81 and the second horizontal rods 821 of the second balance rod 82. Under the force, the first balance bar 81 and the second balance bar 82 swing up and down to maintain the press balance.
- the main points of the utility modelare:
- the position slot or the yield holebe used as a matching design of the lead rib and the retaining groove or the retaining hole.
- the avoidance of the pedestalprovides a space for the lead rib to make the mating length of the lead and the base before sliding relative to each other, and the lead pressing does not cause a click feeling; at the same time, the height of the push button switch is lowered. , making the overall thickness of the button switch thinner;
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- Push-Button Switches (AREA)
Abstract
Description
Translated fromChinese本实用新型涉及按键开关，尤其涉及一种超薄型按键开关。The utility model relates to a key switch, in particular to an ultra-thin key switch.
电子设备的很多操作需要使用到按键开关作为输入手段，按键开关的好坏决定了输入设备的体验，这就需要按键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按键开关，因为开关内部空间的限制，始终无法像大按键开关一样具有按压手感。同时，由于内部结构设计的不合理，按压稳定性差，导致使用不顺畅，影响正常使用。Many operations of electronic equipment require the use of a button switch as an input means. The quality of the key switch determines the experience of the input device, which requires the button switch to have a good feel and sound. The existing thin key switch using a metal piece as a moving contact piece cannot always have a pressing feel like a large key switch because of the limitation of the internal space of the switch. At the same time, due to the irrational design of the internal structure, the compression stability is poor, resulting in unsmooth use and affecting normal use.
因此，由于按键开关内部结构的复杂性，在满足按压手感及按压稳定性的情况下，现有按键开关无法满足薄型化设计的需求。Therefore, due to the complexity of the internal structure of the push button switch, the existing push button switch cannot meet the requirements of the thin design when the pressing feel and the pressing stability are satisfied.
实用新型内容Utility model content
针对上述不足，本实用新型的目的在于提供一种超薄型按键开关，结构设计合理，减小厚度，提高按压平衡性与按压稳定性，增强按压手感。In view of the above deficiencies, the object of the present invention is to provide an ultra-thin key switch with reasonable structural design, reduced thickness, improved press balance and press stability, and enhanced pressing feel.
本实用新型为达到上述目的所采用的技术方案是：The technical solution adopted by the utility model to achieve the above object is:
一种超薄型按键开关，包括一基座、及盖合于基座上的盖子，该盖子上开设有一开口，其特征在于，还包括分别设置于基座上的导芯、扭簧、导通组件与导芯滑块，其中，所述基座上端中心位置处向上凸设有一导向柱，该导向柱中心向下开设有一导向孔，该基座上一端设置有供导通组件插入的导通组件插槽，另一端设置有供扭簧插入的扭簧插槽；所述导芯滑块位于导芯侧边，所述导芯下端开设有一环形插槽，该环形插槽中部向下凸设有一插柱，该插柱插入基座的导向孔中，同时使基座的导向柱插入环形插槽中，该导向柱与插柱外侧套设有一弹簧；将所述导芯下端面开设一挖槽，使该导芯下端面形成若干导芯凸角；在所述基座上且位于导向柱外侧，开设有供导芯凸角伸入的若干让位槽，或供导芯凸角穿过的若干让位孔。An ultra-thin key switch includes a base and a cover attached to the base, the cover has an opening, and further comprises a guiding core, a torsion spring and a guide respectively arranged on the base a guiding member and a guiding core block, wherein a guiding post is protruded upward from a center of the upper end of the base, a guiding hole is defined in a center of the guiding column, and a guiding hole for inserting the conduction component is disposed at one end of the guiding base The other end of the guiding core is provided with a torsion spring slot; the guiding core is located at the side of the guiding core, and the lower end of the guiding core defines an annular slot, and the annular slot is convex downward The insertion post is inserted into the guiding hole of the base, and the guiding post of the base is inserted into the annular slot, and the guiding post and the outer side of the plug are sleeved with a spring; the lower end surface of the guiding core is opened Digging the groove to form a plurality of core lobes on the lower end surface of the lead core; on the pedestal and outside the guide post, a plurality of retaining grooves for guiding the lobes of the lead core are opened, or the ribs of the lead core are worn A number of yielding holes.
作为本实用新型的进一步改进，在所述基座上端边缘开设有一环形容置槽，该环形容置槽中设置有一平衡杆组件，该平衡杆组件主要由分体式的第一平衡杆与第二平衡杆交叉形成，该第一平衡杆与第二平衡杆均卡设于导芯下端。As a further improvement of the present invention, an annular receiving groove is defined in an upper end edge of the base, and a balance bar assembly is disposed in the annular receiving groove, the balance bar assembly is mainly composed of a split first balance bar and a second The balance bar is formed by crossing, and the first balance bar and the second balance bar are both disposed at the lower end of the guide core.
作为本实用新型的进一步改进，所述第一平衡杆与第二平衡杆均呈U状，且该第一平衡杆的开口端与第二平衡杆的开口端相互交叉设置；所述第一平衡杆包括第一横置杆、及分别连接于第一横置杆两端的第一纵置杆，该第一纵置杆端部设置有向外弯折的第一弯钩；所述第二平衡杆包括第二横置杆、及分别连接于第二横置杆两端的第二纵置杆，该第二纵置杆端部设置有向内弯折的第二弯钩；该第一横置杆位于导芯一侧下端，该第二横置杆位于导芯另一侧下端。As a further improvement of the present invention, the first balance bar and the second balance bar are both U-shaped, and the open end of the first balance bar and the open end of the second balance bar are disposed to cross each other; the first balance The rod includes a first transverse rod and a first longitudinal rod respectively connected to the two ends of the first transverse rod, the first longitudinal rod end is provided with a first bending hook outwardly; the second balance The rod includes a second transverse rod and a second longitudinal rod respectively connected to the two ends of the second horizontal rod, the second longitudinal rod end is provided with a second hook bent inward; the first transverse The rod is located at a lower end of one side of the core, and the second horizontal rod is located at a lower end of the other side of the core.
作为本实用新型的进一步改进，所述导芯的插柱上端开设有一安装孔，该安装孔中安装有LED灯。As a further improvement of the present invention, the upper end of the lead post of the lead core defines a mounting hole in which an LED lamp is mounted.
作为本实用新型的进一步改进，所述导通组件包括静片与动片。As a further improvement of the present invention, the conduction component comprises a static piece and a moving piece.
本实用新型的有益效果为：The beneficial effects of the utility model are:
(1)通过导芯凸角与让位槽或让位孔的配合设计，让位槽或让位孔作为基座的避位，为导芯凸角提供让位空间，使导芯与基座之间相互滑动前的配合长度加长，导芯按压不会产生卡涩感；同时，降低了按键开关的高度，使按键开关整体厚度更薄；(1) Through the design of the joint of the lead core and the retaining groove or the retaining hole, the position groove or the retaining hole is used as the avoidance of the base, which provides a space for the lead of the guiding core to make the guiding core and the base The mating length before sliding between each other is lengthened, and the core pressing does not cause a click feeling; at the same time, the height of the button switch is lowered, so that the overall thickness of the button switch is thinner;
(2)内置分体式的第一平衡杆与第二平衡杆，在导芯上下移动的过程中，使第一平衡杆与第二平衡杆上下摆动并达到按压平衡，按压平衡性与按压稳定性显著提高；(2) The first balance bar and the second balance bar with built-in split type, in the process of moving the lead core up and down, the first balance bar and the second balance bar are oscillated up and down to achieve press balance, press balance and press stability Significantly increased;
(3)通过扭簧的设置，增强按压手感，发出按压声音。(3) By the setting of the torsion spring, the pressing feel is enhanced, and the pressing sound is emitted.
上述是实用新型技术方案的概述，以下结合附图与具体实施方式，对本实用新型做进一步说明。The above is an overview of the technical solutions of the utility model, and the present invention will be further described below in conjunction with the drawings and specific embodiments.
图1为本实用新型的装配图；Figure 1 is an assembly view of the present invention;
图2为本实用新型基座的结构示意图；2 is a schematic structural view of a base of the present invention;
图3为本实用新型的剖面图；Figure 3 is a cross-sectional view of the present invention;
图4为本实用新型平衡杆组件的结构示意图；Figure 4 is a schematic structural view of the balance bar assembly of the present invention;
图5为本实用新型导芯底部的结构示意图；Figure 5 is a schematic structural view of the bottom of the guide core of the present invention;
图6为本实用新型基座底部的一结构示意图；Figure 6 is a schematic structural view of the bottom of the base of the present invention;
图7为本实用新型基座底部的另一结构示意图；Figure 7 is another schematic structural view of the bottom of the base of the present invention;
图8为本实用新型处于自由状态的外部结构示意图；Figure 8 is a schematic view showing the external structure of the utility model in a free state;
图9为本实用新型处于自由状态的一剖面图；Figure 9 is a cross-sectional view of the utility model in a free state;
图10为本实用新型处于自由状态的另一剖面图；Figure 10 is another cross-sectional view of the utility model in a free state;
图11为本实用新型处于下压状态的外部结构示意图；Figure 11 is a schematic view showing the external structure of the utility model in a pressed state;
图12为本实用新型处于下压状态的一剖面图；Figure 12 is a cross-sectional view of the utility model in a depressed state;
图13为本实用新型处于下压状态的另一剖面图。Figure 13 is another cross-sectional view of the present invention in a depressed state.
为更进一步阐述本实用新型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，对本实用新型的具体实施方式详细说明。The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings and preferred embodiments.
请参照图1至图13，本实施例提供一种超薄型按键开关，包括一基座1、及盖合于基座1上的盖子2，该盖子2上开设有一开口21，还包括分别设置于基座1上的导芯3、扭簧4、导通组件5与导芯滑块6，其中，所述基座1上端中心位置处向上凸设有一导向柱11，该导向柱11中心向下开设有一导向孔12，该基座1上一端设置有供导通组件5插入的导通组件插槽14，另一端设置有供扭簧4插入的扭簧插槽15；所述导芯滑块6位于导芯3侧边，所述导芯3下端开设有一环形插槽31，该环形插槽31中部向下凸设有一插柱32，该插柱32插入基座1的导向孔12中，同时使基座1的导向柱11插入环形插槽31中，该导向柱11与插柱32外侧套设有一弹簧7；将所述导芯3下端面开设一挖槽，使该导芯3下端面形成若干导芯凸角33。同时，通过两种方式为导芯凸角33提供让位空间，其中一种方式为：在所述基座1上且位于导向柱11外侧开设有供导芯凸角33伸入的若干让位槽16，且该让位槽16的深度正好等于导芯凸角33的高度；另一种方式为：在所述基座1上且位于导向柱11外侧开设有供导芯凸角33穿过的若干让位孔16'。Referring to FIG. 1 to FIG. 13 , the embodiment provides an ultra-thin key switch including a
如图1-4所示，在所述基座1上端边缘开设有一环形容置槽13，该环形容置槽13中设置有一平衡杆组件8，该平衡杆组件8主要由分体式的第一平衡杆81与第二平衡杆82交叉形成，该第一平衡杆81与第二平衡杆82均卡设于导芯3下端。As shown in FIG. 1-4, an
如图1、图3所示，所述插柱32上端开设有一安装孔321，该安装孔321中安装有LED灯10，实现中间发光功能。As shown in FIG. 1 and FIG. 3, a mounting
如图4所示，所述第一平衡杆81与第二平衡杆82均呈U状，且该第一平衡杆81的开口端与第二平衡杆82的开口端相互交叉设置。同时，所述第一平衡杆81包括第一横置杆811、及分别连接于第一横置杆811两端的第一纵置杆812，该第一纵置杆812端部设置有向外弯折的第一弯钩813；所述第二平衡杆82包括第二横置杆821、及分别连接于第二横置杆821两端的第二纵置杆822，该第二纵置杆822端部设置有向内弯折的第二弯钩823；该第一横置杆811位于导芯3一侧下端，该第二横置杆821位于导芯3另一侧下端。As shown in FIG. 4 , the
在本实施例中，所述导通组件5包括静片51与动片52。In the embodiment, the
本实用新型的工作原理为：The working principle of the utility model is:
如图11至图13所示，当向下按压导芯3时，使导芯3的插柱32插入基座1的导向孔12中，导芯3下端的导芯凸角33插入基座1的让位槽16或让位孔16'中，同时使基座1的导向柱11插入导芯3的环形插槽31中，并压缩弹簧7，触使导通组件5的静片51与动片52相接触，实现按键开关的导通功能；与此同时，导芯3下端分别对第一平衡杆81的第一横置杆811与第二平衡杆82的第二横置杆821施加向下的作用力，第一平衡杆81与第二平衡杆82上下摆动，保持按压平衡。As shown in FIGS. 11 to 13, when the
如图8至图10所示，当按压导芯3的作用力消失时，在弹簧7的弹性恢复力作用下，导芯3向上复位，上端穿出盖子2的开口21，恢复到原来的位置，与此同时，导通组件5的静片51与动片52相分离，实现按键开关的断开功能。As shown in FIG. 8 to FIG. 10, when the force of pressing the
本实用新型的重点主要在于：The main points of the utility model are:
(1)通过导芯凸角与让位槽或让位孔的配合设计，让位槽或让位孔作为基座的避位，为导芯凸角提供让位空间，使导芯与基座之间相互滑动前的配合长度加长，导芯按压不会产生卡涩感；同时，降低了按键开关的高度，使按键开关整体厚度更薄；(1) Let the position slot or the yield hole be used as a matching design of the lead rib and the retaining groove or the retaining hole.The avoidance of the pedestal provides a space for the lead rib to make the mating length of the lead and the base before sliding relative to each other, and the lead pressing does not cause a click feeling; at the same time, the height of the push button switch is lowered. , making the overall thickness of the button switch thinner;
(2)内置分体式的第一平衡杆与第二平衡杆，在导芯上下移动的过程中，使第一平衡杆与第二平衡杆上下摆动并达到按压平衡，按压平衡性与按压稳定性显著提高；(2) The first balance bar and the second balance bar with built-in split type, in the process of moving the lead core up and down, the first balance bar and the second balance bar are oscillated up and down to achieve press balance, press balance and press stability Significantly increased;
(3)通过扭簧的设置，增强按压手感，发出按压声音。(3) By the setting of the torsion spring, the pressing feel is enhanced, and the pressing sound is emitted.
以上所述，仅是本实用新型的较佳实施例而已，并非对本实用新型的技术范围作任何限制，故采用与本实用新型上述实施例相同或近似的技术特征，而得到的其他结构，均在本实用新型的保护范围之内。The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention. Therefore, other structures obtained by the same or similar technical features as the above-described embodiments of the present invention are used. Within the scope of protection of the present invention.
Claims (5)
Translated fromChineseApplications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621444316.0UCN206441650U (en) | 2016-12-26 | 2016-12-26 | A kind of ultrathin key switch |
| CN201621444316.0 | 2016-12-26 |
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| Publication Number | Publication Date |
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| WO2018121423A1true WO2018121423A1 (en) | 2018-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2017/117912CeasedWO2018121423A1 (en) | 2016-12-26 | 2017-12-22 | Ultrathin pushbutton switch |
Country Status (2)
| Country | Link |
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| CN (1) | CN206441650U (en) |
| WO (1) | WO2018121423A1 (en) |
Cited By (1)
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| CN110504127A (en)* | 2018-08-15 | 2019-11-26 | 东莞市凯华电子有限公司 | Key switch with pressing sounding function |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206441650U (en)* | 2016-12-26 | 2017-08-25 | 东莞市凯华电子有限公司 | A kind of ultrathin key switch |
| CN107591269B (en)* | 2017-10-16 | 2025-07-15 | 东莞市凯华电子有限公司 | A high-travel ultra-thin push button switch |
| CN107591271A (en)* | 2017-10-18 | 2018-01-16 | 东莞市凯华电子有限公司 | A guide core assembly for ultra-thin key switch |
| CN207993734U (en)* | 2018-02-28 | 2018-10-19 | 东莞市凯华电子有限公司 | A kind of board plug type ultrathin type key switch |
| CN110137016B (en)* | 2019-05-13 | 2024-06-14 | 深圳市晶泰电子有限公司 | High balance key and keyboard |
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| CN206441650U (en) | 2017-08-25 |
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