WO2023093902A1 - 一种用于按键开关的旋转切换式有声无声机构 - Google Patents

一种用于按键开关的旋转切换式有声无声机构 Download PDF

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Publication number
WO2023093902A1
WO2023093902A1 PCT/CN2022/134962 CN2022134962W WO2023093902A1 WO 2023093902 A1 WO2023093902 A1 WO 2023093902A1 CN 2022134962 W CN2022134962 W CN 2022134962W WO 2023093902 A1 WO2023093902 A1 WO 2023093902A1
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WO
WIPO (PCT)
Prior art keywords
pressing
sliding
rotary
soundless
rotating shaft
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PCT/CN2022/134962
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English (en)
French (fr)
Inventor
吴福喜
胡远锋
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东莞市凯华电子有限公司
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Application filed by 东莞市凯华电子有限公司 filed Critical 东莞市凯华电子有限公司
Publication of WO2023093902A1 publication Critical patent/WO2023093902A1/zh

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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
    • 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
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • 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
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • 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
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • H01H2013/525—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch using a return spring acting perpendicular to the actuating direction

Definitions

  • the invention relates to the field of key switches, in particular to a rotary switching soundless and soundless mechanism for key switches.
  • the key switches on the market are classified according to sound and silence, and can be divided into sound key switches and silent key switches.
  • Sound key switches can allow users to obtain better feel and sound. It is relatively noisy; the silent key switch does not emit sound, which can meet the needs of some users for silent pressing, but the feel of the silent key switch is poor.
  • the existing key switch can only realize the function of sound or silence, and cannot freely switch between sound and silence according to the user's needs, which brings inconvenience to the use of the user, cannot meet the different needs of the user at the same time, and the user experience is not good.
  • the object of the present invention is to provide a rotary switching soundless and soundless mechanism for key switches, which can realize the switching between pressing with sound and pressing without sound, meeting different needs of users, and the switching operation is convenient.
  • a rotary switchable soundless and silent mechanism for key switches comprising a base, a pressing member movably arranged on the base, a sliding member movably connected to the pressing member, and a sliding member arranged on the side of the sliding member
  • the elastic movable contact piece is characterized in that a rotary switching assembly extending to the sliding piece is rotated on the pressing piece, and the rotating switching assembly includes a pressing piece acting on the sliding piece, and the pressing piece is formed with It acts on at least one lifting part of the sliding part.
  • the combination of the pressing part and the lifting part can synchronize the sliding part and the pressing part.
  • the rotary switching assembly includes a rotating shaft installed on the pressing member, and the pressing member arranged on the rotating shaft, wherein at least one pressing member is formed on the pressing member. block, and at least one supporting step is formed on the sliding member in one-to-one correspondence with the lower pressing block.
  • a lower guiding slope is formed on the bottom side of the lower pressure block, and an upper guiding slope corresponding to the lower guiding slope is formed on the upper side of the support step.
  • the pressing member includes a sleeve sleeved on the periphery of the rotating shaft, and the pressing block formed on the outer side of the sleeve.
  • At least one upper limit slot is formed on the upper part of the shaft sleeve, and at least one upper limit block that is snapped into the upper limit slot is formed on the rotating shaft; at least one upper limit block is formed on the lower part of the shaft sleeve.
  • a limiting slot, at least a lower limiting block snapped into the lower limiting slot is formed on the rotating shaft.
  • a movable groove for the rotation of the lower pressing member is formed on the lower end surface of the pressing member, at least two position-limiting protrusions are formed in the movable groove, and a movable groove for the rotation of the lower pressing piece is formed on the lower pressing piece. At least one limit card slot into which the limit protrusion snaps.
  • two limit projections located on the side of the lower pressing block protrude from the movable groove.
  • At least one sliding hook groove is formed on the sliding member, and the lifting portion is a sliding hook arm formed at the lower part of the pressing member and hooked into the sliding hook groove.
  • the sliding hook arm is formed outside the rotating shaft, and a central hole for the rotating shaft and the sliding hook arm to be movably inserted is formed on the sliding member.
  • a positioning column is formed on the base, and a positioning socket is formed in the positioning column, and the rotating shaft is movably inserted into the positioning socket;
  • There is a return spring the upper end of the return spring is sleeved on the periphery of the rotating shaft, and the lower end of the return spring is sleeved on the periphery of the positioning column.
  • At least one active elastic arm is formed on the side of the elastic moving contact piece close to the sliding piece, and an active elastic arm is formed on the side of the sliding piece close to the elastic moving contact piece. a corresponding at least one protrusion.
  • At least one driving projection is formed on the side of the pressing member, and at least one driving slot for engaging the driving projection is formed on the sliding member.
  • a guide projection is respectively formed on at least two opposite outer sides of the slider, and a guide slide for the guide projection to be embedded is respectively formed on two opposite inner walls of the base. groove.
  • the beneficial effect of the present invention is: by adding a rotary switch assembly with a lower pressing part between the sliding part and the pressing part, combined with the pressing part with a lifting part, the synchronous linkage and release of the sliding part and the pressing part can be realized. Switching between synchronous and interlocking, so as to realize the switching between pressing with sound and pressing without sound, which meets the different needs of users, and the switching operation is convenient.
  • Fig. 1 is an explosion diagram of the present invention
  • Fig. 2 is a structural schematic diagram of the combination of the rotary switch assembly, the sliding part and the pressing part in the present invention
  • Fig. 3 is a schematic structural diagram of the combination of the rotary switch assembly and the slider in the present invention.
  • Fig. 4 is a schematic structural diagram of a rotary switch assembly in the present invention.
  • Fig. 5 is a schematic structural view of the pressing part in the present invention.
  • Fig. 6 is a schematic diagram of the bottom structure of the pressing member in the present invention.
  • Fig. 7 is a schematic structural diagram of the combination of the sliding member and the elastic movable contact piece in the present invention.
  • Fig. 8 is a top view of the combination of the sliding part and the pressing part in the pressing and sound state of the present invention.
  • Fig. 9 is a bottom view of the combination of the pressing part, the sliding part and the pressing part in the state of pressing with sound according to the present invention.
  • Fig. 10 is a top view of the combination of the sliding part and the pressing part in the silent pressing state of the present invention.
  • Fig. 11 is a bottom view of the combination of the pressing part, the sliding part and the pressing part in the state of silent pressing according to the present invention
  • Fig. 12 is a partial structural representation of the present invention
  • Fig. 13 is a schematic diagram of the external structure of the key switch in the present invention.
  • the embodiment of the present invention provides a kind of rotary switching soundless and silent mechanism for key switch, including a base 1, a pressing member 2 movably arranged on the base 1, and a pressing member 2 movably connected to the pressing A sliding part 3 of the part 2 and an elastic movable contact piece 4 arranged on the side of the sliding part 3 are rotated on the pressing part 2 and a rotary switching assembly 5 extending to the sliding part 3 is arranged.
  • the switching assembly 5 includes a pressing part 51 acting on the sliding part 3, and at least one lifting part 21 acting on the sliding part 3 is formed on the pressing part 2, and the pressing part 51 can be combined with the lifting part 21 to
  • the sliding part 3 and the pressing part 2 are synchronously linked, and by rotating the pressing part 51 of the rotary switching assembly 5, the sliding part 3 and the pressing part 2 can be switched between synchronous interlocking and desynchronized interlocking, thereby realizing pressing with sound and Press to toggle silently.
  • the pressing member 51 of the rotary switching assembly 5 can be switched between pressing the sliding member 3 and releasing the pressing sliding member 3.
  • the pressing member 51 presses the sliding member 3
  • the pressing member The combination of 51 and the lifting part 21 prevents relative movement of the sliding part 3 relative to the pressing part 2, so that the sliding part 3 and the pressing part 2 can be synchronously linked, and the lower pressing part 51 releases the downward pressure on the sliding part 3
  • the synchronous linkage between the sliding piece 3 and the pressing piece 2 is released, so that the sliding piece 3 and the pressing piece 2 can be synchronously linked, and the sliding piece 3 and the pressing piece 2 can be synchronized by rotating the rotary switching assembly 5. Toggle between synchronous and interlocking releases.
  • the sliding member 3 and the pressing member 2 can be switched between synchronous interlocking and desynchronized interlocking, thereby Realize switching between pressing with sound and pressing without sound to meet different needs of users, and the switching operation is convenient.
  • the sliding part 3 When the sliding part 3 is driven upward by the pressing part 2, the sliding part 3 will touch the elastic movable contact piece 4 on the side, as shown in FIG. 7 .
  • the sliding part 3 and the pressing part 2 are in the state of disengaging synchronous linkage, the sliding part 3 is moved up by the lifting part 21 of the pressing part 2, and the sliding part 3 encounters the elastic moving contact piece 4, and the elastic moving contact
  • the piece 4 exerts an outward force, so that the elastic movable contact piece 4 is elastically deformed; then, when the pressing piece 2 drives the sliding piece 3 to move up synchronously, the elastic restoring force of the elastic moving contact piece 4 acts on the sliding piece 3 , so that the sliding part 3 has an upward instantaneous force, the sliding part 3 moves upward relative to the pressing part 2, so that the sliding part 3 hits the pressing part 2 and makes a sound, thereby realizing the purpose of pressing and making a sound.
  • the rotary switching assembly 5 includes a rotating shaft 52 installed on the pressing member 2, and the pressing member 51 arranged on the rotating shaft 52, wherein, in At least one lower pressing block 511 is formed on the lower pressing member 51 , and at least one supporting step 31 corresponding to the lower pressing block 511 is formed on the sliding member 3 , as shown in FIG. 3 .
  • the pressing member 51 can rotate accordingly.
  • the pressing member 51 rotates until the pressing block 511 is located on the supporting step 31, as shown in FIG. 10 and FIG.
  • the lower pressing block 511 can directly act on the supporting step 31 to apply force to the supporting step 31, that is, the lower pressing member 51 can press down the sliding member 3, and at the same time, combined with the lifting part 21, no matter whether the pressing part 2 moves up or down, the sliding part 3 will not move relative to the pressing part 2, and the sliding part 3 and the pressing part 2 can be synchronously linked to realize the silent pressing function.
  • the rotating shaft 52 can be directly rotated to drive the shaft sleeve 512 and the lower pressing block 511 to rotate synchronously.
  • At least one upper limit groove 5121 is formed on the upper part of the shaft sleeve 512 in this embodiment, and a snap-in upper limit is formed on the rotating shaft 52.
  • At least one upper limit block 521 in the position slot 5121; at least one lower limit slot 5122 is formed on the lower part of the sleeve 512, and at least one lower limit block 522 snapped into the lower limit slot 5122 is formed on the rotating shaft 52.
  • the shaft sleeve 512 is firmly clamped on the rotating shaft 52 at the upper and lower positions. Above, the synchronous rotation of the rotating shaft 52 and the sleeve 512 is realized.
  • a movable groove for the pressing part 51 to rotate is formed on the lower end surface of the pressing part 2 22, at least two position-limiting protrusions 23 are formed in the movable groove 22, and at least one position-limiting slot 5112 for engaging the position-limiting protrusions 23 is formed on the lower pressing block 511.
  • the number of limiting protrusions 23 is four, and the number of limiting card slots 5112 is two.
  • At least one sliding hook groove 32 is formed on the sliding part 3 in this embodiment, and the lifting part 21 is formed on the pressing part.
  • the lower part of the component 2 and hooked into the sliding hook arm 21' in the sliding hook groove 32. Since the pressing part 2 is hooked into the sliding hook groove 32 by the sliding hook arm 21' to realize the connection with the sliding part 3, when the pressing part 51 of the rotary switching assembly 5 does not act on the sliding part 3, the pressing part 2 is just pressed When pressing down, the pressing part 2 moves down, so that the sliding hook arm 21' slides down along the sliding hook groove 32, but the sliding part 3 does not move down. Drive slider 3 to move down together.
  • the sliding hook arm 21' is formed outside the rotating shaft 52, and a central hole 30 for the rotating shaft 52 and the sliding hook arm 21' to be movably inserted is formed on the sliding member 3, as shown in FIG. 2 with Figure 3.
  • a positioning column 11 is formed on the base 1, and a positioning socket 12 is formed in the positioning column 11, and the rotating shaft 52 is movably inserted into the positioning socket 12;
  • a return spring 6 is disposed between them, the upper end of the return spring 6 is sleeved on the periphery of the rotating shaft 52 , and the lower end of the return spring 6 is sleeved on the periphery of the positioning column 11 .
  • At least one protruding portion 33 corresponding to the active elastic arm 41 is formed on the side of the sliding member 3 close to the elastic movable contact piece 4 .
  • At least one driving projection 25 is formed on the side of the pressing part 2, and a driving lug 25 is formed on the sliding part 3 for driving.
  • At least one driving slot 34 is inserted into the protruding block 25 .
  • a guide projection 35 is respectively formed on at least two opposite outer sides of the slider 3 , and a guide protrusion 35 is formed on the opposite inner sides of the base 1 .
  • a guide chute 13 for inserting the guide protrusion 35 is respectively formed on the wall.
  • the switchable soundless and silent mechanism provided in this embodiment can be applied to the key switch by adding the upper cover 7 on the base 1, as shown in Figure 13, the rotating shaft 52 extends to the outside of the pressing member 2 and the upper cover 7, For easy swivel operation.
  • the conduction structure of the key switch the conduction structure of the dynamic and static plates in the existing key switch can be adopted, and the elastic moving contact piece 4 can be used as a moving piece, as shown in Figure 12, the elastic moving contact piece 4 is combined with the static piece 8 Form the conduction structure of the dynamic and static plates.

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  • Switches With Compound Operations (AREA)
  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Electronic Switches (AREA)

Abstract

本发明公开了一种用于按键开关的旋转切换式有声无声机构，包括一基座、活动设置于基座上的一按压件、活动连接于按压件的一滑动件、及设置于滑动件侧边上的一弹性动触片，在该按压件上转动设置有延伸至滑动件的一旋转式切换组件，该旋转式切换组件包括作用于滑动件的一下压件，在该按压件上形成有作用于滑动件的至少一上抬部，该下压件与上抬部相结合可将滑动件与按压件同步连动，通过旋转旋转式切换组件的下压件，实现滑动件与按压件在同步连动与解除同步连动之间切换，从而实现按压有声与按压无声的切换。本发明提供的用于按键开关的旋转切换式有声无声机构，可实现按压有声与按压无声的切换，满足用户的不同需求，且切换操作方便。

Description

一种用于按键开关的旋转切换式有声无声机构 技术领域
本发明涉及按键开关领域，尤其涉及一种用于按键开关的旋转切换式有声无声机构。
背景技术
目前，市面上的按键开关按有声和无声分类，可以分为有声按键开关和无声按键开关，有声按键开关能让用户获得更好的手感与声感，然而其发出的声音会使得在某种场合下比较嘈杂；无声按键开关则不会发出声音，可以满足部分用户对按压无声的需求，但无声按键开关的手感较差。而现有的按键开关仅能实现有声或者无声的功能，不能根据用户需要对有声与无声进行自由切换，给用户的使用带来了不便，无法同时满足用户的不同需求，用户体验不佳。
发明内容
针对上述不足，本发明的目的在于提供一种用于按键开关的旋转切换式有声无声机构，可实现按压有声与按压无声的切换，满足用户的不同需求，且切换操作方便。
本发明为达到上述目的所采用的技术方案是：
一种用于按键开关的旋转切换式有声无声机构，包括一基座、活动设置于基座上的一按压件、活动连接于按压件的一滑动件、及设置于滑动件侧边上的一弹性动触片，其特征在于，在该按压件上转动设置有延伸至滑动件的一旋转式切换组件，该旋转式切换组件包括作用于滑动件的一下压件，在该按压件上形成有作用于滑动件的至少一上抬部，该下压件与上抬部相结合可将滑动件与按压件同步连动，通过旋转旋转式切换组件的下压件，实现滑动件与按压件在同步连动与解除同步连动之间切换，从而实现按压有声与按压无声的切换。
作为本发明的进一步改进，所述旋转式切换组件包括安装于按压件上的一旋转轴、及设置于旋转轴上的所述下压件，其中，在该下压件上形成有至少一下压块，在所述滑动件上形成有与下压块一一对应的至少一支撑台阶。
作为本发明的进一步改进，在所述下压块底部一侧形成有一下导向斜面，在所述支撑台阶上部一侧形成有与下导向斜面相对应的一上导向斜面。
作为本发明的进一步改进，所述下压件包括套设于旋转轴外围的一轴套、及形成于轴套外侧边上的所述下压块。
作为本发明的进一步改进，在所述轴套上部形成有至少一上限位槽，在该旋转轴上形成有卡入上限位槽内的至少一上限位块；在该轴套下部形成有至少一下限位槽，在该旋转轴上形成有卡入下限位槽内的至少一下限位块。
作为本发明的进一步改进，在所述按压件下端面形成有供下压件旋转的一活动槽，在该活动槽内形成有至少两个限位凸起，在该下压块上形成有供限位凸起卡入的至少一限位卡槽。
作为本发明的进一步改进，在所述活动槽内凸设有位于下压块侧边上的两个限位凸块。
作为本发明的进一步改进，在所述滑动件上形成有至少一滑动钩槽，所述上抬部为形成于按压件下部且勾入滑动钩槽内的滑动钩臂。
作为本发明的进一步改进，所述滑动钩臂形成于旋转轴外侧，在所述滑动件上形成有供旋转轴与滑动钩臂活动插入的一中心孔。
作为本发明的进一步改进，在所述基座上形成有一定位柱，在该定位柱内形成有一定位插孔，所述旋转轴活动插入定位插孔内；在该按压件与基座之间设置有一复位弹簧，该复位弹簧上端套设于旋转轴外围，下端套设于定位柱外围。
作为本发明的进一步改进，在所述弹性动触片靠近滑动件的侧边上形成有至少一作用弹臂，在所述滑动件靠近弹性动触片的侧边上形成有与作用弹臂一一对应的至少一凸出部。
作为本发明的进一步改进，在所述按压件侧边上形成有至少一带动凸块，在所述滑动件上形成有供带动凸块卡入的至少一带动卡槽。
作为本发明的进一步改进，在所述滑动件相对的至少两外侧边上分别形成有一导向凸块，在所述基座相对的两内侧壁上分别形成有供导向凸块嵌入的一导向滑槽。
本发明的有益效果为：通过在滑动件与按压件之间增设带下压件的旋转式切换组件，与带上抬部的按压件相结合，实现滑动件与按压件在同步连动与解除同步连动之间切换，从而实现按压有声与按压无声的切换，满足用户的不同需求，且切换操作方便。
上述是发明技术方案的概述，以下结合附图与具体实施方式，对本发明做进一步说明。
附图说明
图1为本发明的爆炸图；
图2为本发明中旋转式切换组件、滑动件与按压件相结合的结构示意图；
图3为本发明中旋转式切换组件与滑动件相结合的结构示意图；
图4为本发明中旋转式切换组件的结构示意图；
图5为本发明中下压件的结构示意图；
图6为本发明中按压件的底部结构示意图；
图7为本发明中滑动件与弹性动触片相结合的结构示意图；
图8为本发明处于按压有声状态下滑动件与下压件相结合的俯视图；
图9为本发明处于按压有声状态下按压件、滑动件与下压件相结合的仰视图；
图10为本发明处于按压无声状态下滑动件与下压件相结合的俯视图；
图11为本发明处于按压无声状态下按压件、滑动件与下压件相结合的仰视图；
图12为本发明的部分结构示意图
图13为本发明中按键开关的外部结构示意图。
具体实施方式
为更进一步阐述本发明为达到预定目的所采取的技术手段及功效，以下结合附图及较佳实施例，对本发明的具体实施方式详细说明。
请参照图1与图2，本发明实施例提供一种用于按键开关的旋转切换式有声无声机构，包括一基座1、活动设置于基座1上的一按压件2、活动连接于按压件2的一滑动件3、及设置于滑动件3侧边上的一弹性动触片4，在该按压件2上转动设置有延伸至滑动件3的一旋转式切换组件5，该旋转式切换组件5包括作用于滑动件3的一下压件51，在该按压件2上形成有作用于滑动件3的至少一上抬部21，该下压件51与上抬部21相结合可将滑动件3与按压件2同步连动，通过旋转旋转式切换组件5的下压件51，实现滑动件3与按压件2在同步连动与解除同步连动之间切换，从而实现按压有声与按压无声的切换。
通过旋转旋转式切换组件5，使得旋转式切换组件5的下压件51可以在下压滑动件3与解除下压滑动件3之间变换，当下压件51下压滑动件3时，下压件51与上抬部21相结合作用使得滑动件3相对于按压件2不会发生相对运动，即可将滑动件3与按压件2同步连动，当下压件51解除对滑动件3的下压时，滑动件3与按压件2之间即解除同步连动，从而可通过旋转旋转式切换组件5，实现在将滑动件3与按压件2同步连动、及将滑动件3与按压件2解除同步连动之间切换。具体的，在下压件51与上抬部21相结合将滑动件3与按压件2同步连动时，按压件2的上下移动，滑动件3与按压件2之间不会发生相对运动，则滑动件3不会敲击按压件2发声，达到按压无声效果；当下压件51解除对滑动件3的下压时，滑动件3与按压件2之间即解除同步连动，按压件2的上下移动，滑动件3与按压件2之间发生相对运动，则滑动件3敲击按压件2发声，达到按压发声效果。由此，由于在滑动件3与按压件2之间增设了带下压件51的旋转式切换组件5，实现滑动件3与按压件2在同步连动与解除同步连动之间切换，从而实现按压有声与按压无声之间切换，满足用户的不同需求，且切换操作方便。
滑动件3与按压件2两者不管是处于同步连动状态还是解除同步连动状 态，由于上抬部21的设置，按压件2的上下移动都会带动滑动件3上下移动，只是存在是否同步的问题。
在滑动件3由按压件2带动上移时，滑动件3会触碰到侧边上的弹性动触片4，如图7所示。当滑动件3与按压件2两者处于解除同步连动状态下，滑动件3由按压件2的上抬部21带动上移，滑动件3遇到弹性动触片4，并对弹性动触片4施加向外的作用力，使得弹性动触片4发生弹性形变；接着，由按压件2带动滑动件3同步上移的瞬间，由弹性动触片4的弹性恢复力作用于滑动件3，使得滑动件3具有一个向上的瞬间作用力，则滑动件3相对于按压件2上移，从而滑动件3敲击按压件2而发声，实现按压发声的目的。相应的，当滑动件3与按压件2两者处于同步连动状态下，由于两者之间不会发生相对运动，因此，即使弹性动触片4对滑动件3有瞬间作用力，也不会敲击发声。
在本实施例中，如图4所示，所述旋转式切换组件5包括安装于按压件2上的一旋转轴52、及设置于旋转轴52上的所述下压件51，其中，在该下压件51上形成有至少一下压块511，在所述滑动件3上形成有与下压块511一一对应的至少一支撑台阶31，如图3所示。通过旋转旋转轴52，下压件51即可随着发生旋转，当下压件51旋转至下压块511位于支撑台阶31上时，如图10与图11所示，向下按压按压件2，旋转式切换组件5整体随着下移，即可由下压块511直接作用于支撑台阶31，对支撑台阶31施加作用力，即实现下压件51下压滑动件3，同时，结合上抬部21的作用，不管按压件2上移还是下移，滑动件3相对于按压件2都不会发生相对运动，即可将滑动件3与按压件2同步连动，实现按压无声功能。而当下压件51旋转至下压块511离开支撑台阶31上时，如图8与图9所示，向下按压按压件2，旋转式切换组件5整体随着下移，但是下压块511并没有作用于支撑台阶31，即实现下压件51解除对滑动件3的下压，不管按压件2上移还是下移，滑动件3相对于按压件2都会发生相对运动，即可将滑动件3与按压件2解除同步连动，实现按压有声功能。因此，由下压块511与支撑台阶31相结合，便于按压有声功能与按压无声功能的快速准确切换。
在旋转旋转式切换组件5的旋转轴52时，为了使下压块511能够更顺畅的移动至支撑台阶31上方，如图3所示，本实施例在所述下压块511底部一侧形成有一下导向斜面5111，在所述支撑台阶31上部一侧形成有与下导向斜面5111相对应的一上导向斜面311。由上导向斜面311与下导向斜面5111相结合，为下压块511的位置移动提供导向作用，便于下压块511能够更顺畅的移动至支撑台阶31上，也更顺畅的从支撑台阶31上移走，从而便于按压有声功能与按压无声功能的快速准确切换。
对于下压件51的具体结构，如图4所示，所述下压件51包括套设于旋转轴52外围的一轴套512、及形成于轴套512外侧边上的所述下压块511。在需要旋转旋转式切换组件5时，直接旋转旋转轴52，即可带动轴套512与下压块511同步旋转。
对于轴套512与旋转轴52的连接，如图4与图5所示，本实施例在所述轴套512上部形成有至少一上限位槽5121，在该旋转轴52上形成有卡入上限位槽5121内的至少一上限位块521；在该轴套512下部形成有至少一下限位槽5122，在该旋转轴52上形成有卡入下限位槽5122内的至少一下限位块522。优选的，上限位槽5121与上限位块521分别为两个，且相对设置；下限位槽5122与下限位块522分别为两个，且相对设置。由轴套512上的上限位槽5121与下限位槽5122、及旋转轴52上的上限位块521与下限位块522相结合，在上下两个位置将轴套512稳固卡接在旋转轴52上，实现旋转轴52与轴套512的同步旋转。
在下压件51旋转到位后，为了对其进行限位，如图5、图6与图9所示，本实施例在所述按压件2下端面形成有供下压件51旋转的一活动槽22，在该活动槽22内形成有至少两个限位凸起23，在该下压块511上形成有供限位凸起23卡入的至少一限位卡槽5112。优选的，限位凸起23的数量为四个，限位卡槽5112的数量为两个。如图9所示，在下压件51旋转至下压块511离开支撑台阶31时，相对设置的两个限位凸起23一一卡入两个限位卡槽5112内，从而对下压件51进行限位。如图11所示，在下压件51旋转至下压块511位于支撑台阶31上时，相对设置的另外两个限位凸起23一一卡入 两个限位卡槽5112内，从而对下压件51进行限位。由此，实现对下压件51旋转到位后的限位作用，防止下压件51出现转动过度的现象，从而提高按压有声与按压无声操作的准确性。
同时，在所述活动槽22内凸设有位于下压块511侧边上的两个限位凸块24。由两个限位凸块24的设置，对下压件51的旋转方向进行限位，使得在旋转旋转轴52进行切换时，只能往一个方向旋转。具体的，如图9所示，当由按压有声状态旋转至按压无声状态时，如图11所示，只能顺时针旋转；而当由按压无声状态旋转至按压有声状态时，只能逆时针旋转。对于旋转的角度，可以设定为旋转90°。
对于滑动件3与按压件2的连接关系，如图2与图6所示，本实施例在所述滑动件3上形成有至少一滑动钩槽32，所述上抬部21为形成于按压件2下部且勾入滑动钩槽32内的滑动钩臂21'。由于按压件2通过滑动钩臂21'勾入滑动钩槽32内来实现与滑动件3的连接，在旋转式切换组件5的下压件51没有作用于滑动件3时，按压件2刚被下按时，按压件2下移，使得滑动钩臂21'沿着滑动钩槽32下滑，而滑动件3没有下移，当按压件2下移到上部与滑动件3上端面接触时，才会带动滑动件3一起下移。当按压件2刚上移时，滑动钩臂21'沿着滑动钩槽32上滑，而滑动件3没有上移，当按压件2上移到滑动钩臂21'接触到滑动钩槽32上内壁时，才会带动滑动件3一起上移。由上述过程，实现滑动件3与按压件2的非同步连动动作，从而与弹性动触片4相匹配，实现滑动件3撞击按压件2发声功能。
在本实施例中，所述滑动钩臂21'形成于旋转轴52外侧，在所述滑动件3上形成有供旋转轴52与滑动钩臂21'活动插入的一中心孔30，如图2与图3所示。同时，在所述基座1上形成有一定位柱11，在该定位柱11内形成有一定位插孔12，所述旋转轴52活动插入定位插孔12内；在该按压件2与基座1之间设置有一复位弹簧6，该复位弹簧6上端套设于旋转轴52外围，下端套设于定位柱11外围。在按压件2被按压下移时，复位弹簧6被压缩，在释放对按压件2的按压时，由复位弹簧6的弹性恢复力带动按压件2上移复位。
对于滑动件3与弹性动触片4的结构，如图7所示，本实施例在所述弹性动触片4靠近滑动件3的侧边上形成有至少一作用弹臂41，在所述滑动件3靠近弹性动触片4的侧边上形成有与作用弹臂41一一对应的至少一凸出部33。优选的，作用弹臂41与凸出部31的数量均为2个。在滑动件3随着按压件2上下移动时，由滑动件3精准作用于作用弹臂41，使得动作发生得更精确，利于发声功能的实现。
为了便于按压件2带动滑动件3下移，如图2所示，本实施例在所述按压件2侧边上形成有至少一带动凸块25，在所述滑动件3上形成有供带动凸块25卡入的至少一带动卡槽34。当按压件2相对于滑动件3下移到带动凸块25卡入带动卡槽34内时，即可带动滑动件3下移，由带动凸块25与带动卡槽34相匹配，利于按压件2带动滑动件3平稳的竖直下移。
为了滑动件3能够在基座1内平稳的上下移动，本实施例在所述滑动件3相对的至少两外侧边上分别形成有一导向凸块35，在所述基座1相对的两内侧壁上分别形成有供导向凸块35嵌入的一导向滑槽13。
本实施例提供的切换式有声无声机构，在应用于按键开关时，在基座1上增加上盖7即可，如图13所示，旋转轴52延伸至按压件2与上盖7外部，便于进行旋转操作。对于按键开关的导通结构，可以采用现有按键开关中动静片导通结构，弹性动触片4可以作为动片使用，如图12所示，由弹性动触片4与静片8相结合组成动静片导通结构。
以上所述，仅是本发明的较佳实施例而已，并非对本发明的技术范围作任何限制，故采用与本发明上述实施例相同或近似的技术特征，而得到的其他结构，均在本发明的保护范围之内。

Claims (13)

  1. 一种用于按键开关的旋转切换式有声无声机构，包括一基座、活动设置于基座上的一按压件、活动连接于按压件的一滑动件、及设置于滑动件侧边上的一弹性动触片，其特征在于，在该按压件上转动设置有延伸至滑动件的一旋转式切换组件，该旋转式切换组件包括作用于滑动件的一下压件，在该按压件上形成有作用于滑动件的至少一上抬部，该下压件与上抬部相结合可将滑动件与按压件同步连动，通过旋转旋转式切换组件的下压件，实现滑动件与按压件在同步连动与解除同步连动之间切换，从而实现按压有声与按压无声的切换。
  2. 根据权利要求1所述的用于按键开关的旋转切换式有声无声机构，其特征在于，所述旋转式切换组件包括安装于按压件上的一旋转轴、及设置于旋转轴上的所述下压件，其中，在该下压件上形成有至少一下压块，在所述滑动件上形成有与下压块一一对应的至少一支撑台阶。
  3. 根据权利要求2所述的用于按键开关的旋转切换式有声无声机构，其特征在于，在所述下压块底部一侧形成有一下导向斜面，在所述支撑台阶上部一侧形成有与下导向斜面相对应的一上导向斜面。
  4. 根据权利要求2所述的用于按键开关的旋转切换式有声无声机构，其特征在于，所述下压件包括套设于旋转轴外围的一轴套、及形成于轴套外侧边上的所述下压块。
  5. 根据权利要求4所述的用于按键开关的旋转切换式有声无声机构，其特征在于，在所述轴套上部形成有至少一上限位槽，在该旋转轴上形成有卡入上限位槽内的至少一上限位块；在该轴套下部形成有至少一下限位槽，在该旋转轴上形成有卡入下限位槽内的至少一下限位块。
  6. 根据权利要求4所述的用于按键开关的旋转切换式有声无声机构，其特征在于，在所述按压件下端面形成有供下压件旋转的一活动槽，在该活动槽内形成有至少两个限位凸起，在该下压块上形成有供限位凸起卡入的至少一限位卡槽。
  7. 根据权利要求6所述的用于按键开关的旋转切换式有声无声机构，其特征在于，在所述活动槽内凸设有位于下压块侧边上的两个限位凸块。
  8. 根据权利要求2所述的用于按键开关的旋转切换式有声无声机构，其特征在于，在所述滑动件上形成有至少一滑动钩槽，所述上抬部为形成于按压件下部且勾入滑动钩槽内的滑动钩臂。
  9. 根据权利要求8所述的用于按键开关的旋转切换式有声无声机构，其特征在于，所述滑动钩臂形成于旋转轴外侧，在所述滑动件上形成有供旋转轴与滑动钩臂活动插入的一中心孔。
  10. 根据权利要求9所述的用于按键开关的旋转切换式有声无声机构，其特征在于，在所述基座上形成有一定位柱，在该定位柱内形成有一定位插孔，所述旋转轴活动插入定位插孔内；在该按压件与基座之间设置有一复位弹簧，该复位弹簧上端套设于旋转轴外围，下端套设于定位柱外围。
  11. 根据权利要求1至7中任一所述的用于按键开关的旋转切换式有声无声机构，其特征在于，在所述弹性动触片靠近滑动件的侧边上形成有至少一作用弹臂，在所述滑动件靠近弹性动触片的侧边上形成有与作用弹臂一一对应的至少一凸出部。
  12. 根据权利要求1至7中任一所述的用于按键开关的旋转切换式有声无声机构，其特征在于，在所述按压件侧边上形成有至少一带动凸块，在所述滑动件上形成有供带动凸块卡入的至少一带动卡槽。
  13. 根据权利要求1至7中任一所述的用于按键开关的旋转切换式有声无声机构，其特征在于，在所述滑动件相对的至少两外侧边上分别形成有一导向凸块，在所述基座相对的两内侧壁上分别形成有供导向凸块嵌入的一导向滑槽。
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CN104979120A (zh) * 2015-06-18 2015-10-14 东莞市凯华电子有限公司 可切换有声/无声的微动开关
CN210516558U (zh) * 2019-09-26 2020-05-12 东莞市凯华电子有限公司 一种按动式有声无声切换按键开关
CN213366431U (zh) * 2020-05-29 2021-06-04 东莞市凯华电子有限公司 一种静音开关
CN216871798U (zh) * 2021-11-29 2022-07-01 东莞市凯华电子有限公司 一种用于按键开关的旋转切换式有声无声机构

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