WO2023093904A1 - 一种按键开关用拨动式有声无声切换机构 - Google Patents

一种按键开关用拨动式有声无声切换机构 Download PDF

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Publication number
WO2023093904A1
WO2023093904A1 PCT/CN2022/134968 CN2022134968W WO2023093904A1 WO 2023093904 A1 WO2023093904 A1 WO 2023093904A1 CN 2022134968 W CN2022134968 W CN 2022134968W WO 2023093904 A1 WO2023093904 A1 WO 2023093904A1
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WO
WIPO (PCT)
Prior art keywords
toggle
base
pressing
switching mechanism
soundless
Prior art date
Application number
PCT/CN2022/134968
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English (en)
French (fr)
Inventor
吴福喜
胡远锋
Original Assignee
东莞市凯华电子有限公司
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Publication of WO2023093904A1 publication Critical patent/WO2023093904A1/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
    • H01H13/10—Bases; Stationary contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/26—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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H01H13/7065—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards
    • 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
    • H01H13/83—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 legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • 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
    • 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
    • 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
    • H01H13/86—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 the casing, e.g. sealed casings or casings reducible in size

Definitions

  • the utility model relates to the technical field of key switches, in particular to a toggle type soundless switching 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.
  • this utility model is to provide a toggle type soundless switching mechanism for key switches, which can realize the switching between the two functions of toggle sound and toggle silent, Meet the different needs of users, improve the convenience of use, and enhance the user experience.
  • a toggle type soundless switching mechanism for a key switch including a base, and a pressing piece that is arranged on the base and moves up and down.
  • a pressing projection is provided on the piece, a guiding slope is formed on the base, an elastic piece is arranged on the base, one end of the elastic piece is located above the guiding slope, and a toggle switching piece is arranged on the base , the toggle switching member drives one end of the elastic member to switch between being under the pressing bump and away from the pressing bump.
  • a slot is formed on the toggle switching member, and one end of the elastic member extends into the slot.
  • a toggle locking structure is also provided between the base and the toggle switch, and the toggle lock structure includes a positioning hole formed on the side of the toggle switch and close to the slot.
  • the positioning groove, the positioning protrusion snaps into the left positioning groove or the right positioning groove.
  • the positioning protrusion has an arc-shaped curved surface structure, and the side walls connecting the clamping shaft and the positioning groove respectively have arc-shaped inclined surfaces matching the arc-shaped curved surface.
  • the lower end of the side wall of the slot near the pressing projection has a connecting slope.
  • a toggle groove for inserting and moving the toggle switch is formed on the base, and the positioning groove is formed on the side wall of the toggle groove.
  • the elastic member is a torsion spring, which includes a spring body, an elastic arm connected to one end of the spring body, and a connecting portion connected to the other end of the spring body, wherein the The spring body is arranged in the base, the end of the elastic arm extends into the slot, and the connecting part is inserted into the base.
  • an embedding groove for embedding the spring body is formed on the base, and an opening for the elastic arm to pass through is opened on a side of the embedding groove.
  • a limit block is arranged on the base.
  • a return spring is arranged between the bottom of the pressing member and the base.
  • the toggle switch piece by acting on one end of the elastic member by the toggle switching piece, the toggle switch piece is toggled to drive the one end of the elastic piece to switch between the bottom of the pressing bump and the bottom away from the pressing bump, thereby realizing pressing with sound
  • the switch between the two functions of pressing and silent can meet the different needs of users, improve the convenience of use, and enhance the user experience.
  • Fig. 1 is the exploded view of the toggle-type audio and silent switching mechanism for the key switch of the present invention
  • Fig. 2 is a structural schematic diagram of a toggle-type soundless switching mechanism for a key switch of the present invention
  • Fig. 3 is a structural schematic diagram of the combination of the pressing part, the elastic part and the toggle switching part in the silent state in the toggle type soundless switching mechanism for the key switch of the present invention
  • Fig. 4 is a structural schematic diagram of the pressing part, the elastic part and the toggle switching part arranged on the base in the silent state in the toggle type soundless switching mechanism for the key switch of the present invention
  • Fig. 5 is a partial enlarged view of position A in Fig. 4;
  • Fig. 6 is a schematic diagram of the structure of the pressing part, the elastic part and the toggle switching part arranged on the base in the sound state in the toggle type soundless switching mechanism for the key switch of the present invention
  • Fig. 7 is a partial enlarged view of position B in Fig. 6;
  • Fig. 8 is a structural schematic diagram of the toggle switch in the toggle-type audio and silent switching mechanism for the key switch of the present invention.
  • Fig. 9 is a structural schematic diagram of the base in the dial-type audio and silent switching mechanism for the key switch of the present invention.
  • Fig. 10 is a schematic diagram of the external structure of the key switch in the silent state of the utility model
  • Fig. 11 is a schematic diagram of the external structure of the key switch of the present invention in a sound state.
  • a toggle-type soundless switching mechanism for a key switch including a base 1, and a pressing member 2 arranged on the base 1 and moving up and down, on the pressing member 2
  • a pressing protrusion 21 is provided, a guiding slope 11 is formed on the base 1, an elastic member 3 is arranged on the base 1, one end of the elastic member 3 is located above the guiding slope 11, and on the base 1
  • a toggle switch 4 is provided, and the toggle switch 4 drives one end of the elastic member 3 to switch between being under the pressing bump 21 and away from the pressing bump 21 .
  • the elastic part 3 cooperates with the toggle switching part 4, and by toggling the toggle switching part 4, one end of the elastic part 3 is switched between being below the pressing bump 21 and away from the pressing bump 21, thereby Realize the switch between pressing with sound and pressing without sound to meet the different needs of users.
  • the specific sounding principle is: in the process of pressing down on the pressing part 2, the pressing protrusion 21 on the pressing part 2 moves downward, and the pressing protrusion 21 acts downward on one end of the elastic part 3, and one end of the elastic part 3 moves down , when one end of the elastic member 3 moves down to touch the guide slope 11 on the base 1, slide outward along the guide slope 11 until one end of the elastic member 3 breaks away from the pressing projection 21, and the hand will feel the pressing The pressure is significantly reduced, thereby producing a hand feeling; at the same time, the pressing protrusion 21 rebounds and resets, and knocks on the base 1, the pressing member 2 and/or the toggle switching member 4 to generate a sound.
  • a slot 41 is formed on the toggle switching member 4 , and one end of the elastic member 3 extends into the slot 41 .
  • the toggle switch 4 When the toggle switch 4 is in the initial state of not being toggled, one end of the elastic member 3 is located in the slot 41 and below the pressing projection 21. At this time, the toggle switch 4 has no force on the elastic member 3 or The generated force is very small; when the toggle switching member 4 moves away from the pressing projection 21, the side wall of the slot 41 acts on one end of the elastic member 3 and pushes one end of the elastic member 3 away from the pressing projection 21 below. Call back the toggle switch 4 so that it is in the initial state.
  • the force exerted by the toggle switch 4 on the elastic member 3 disappears or is very small, and the elastic member 3 resets under the action of its own elastic restoring force. Move to the bottom of the pressing protrusion 21 , and finally be located under the pressing protrusion 21 . Due to the special structural design of the toggle switch 4, it can precisely act on the elastic member 3, so as to realize the switching between pressing with sound and pressing without sound.
  • a toggle locking structure is further provided between the base 1 and the toggle switch 4 .
  • the toggle lock structure includes a toggle lock formed on the toggle switch 4 and A positioning protrusion 42 on the side close to the slot 41, and a positioning groove 12 formed on the base 1 and matched with the positioning protrusion 42, a clamping shaft 13 is formed in the positioning groove 12, the The locking shaft 13 divides the positioning groove 12 into a left positioning groove 121 and a right positioning groove 122 , and the positioning protrusion 21 is locked into the left positioning groove 121 or the right positioning groove 122 .
  • the positioning protrusion 21 has an arc-shaped curved surface structure, and the side walls connecting the clamping shaft 13 and the positioning groove 12 respectively have arc-shaped slopes matching the arc-shaped curved surface.
  • the positioning projection 42 on the toggle switch 4 moves accordingly, the positioning projection 42 leaves the right positioning groove 122 and bypasses the clamping shaft 13 until the positioning projection 42 snaps in again In the left positioning groove 121, at this time, one end of the elastic member 3 is located below the pressing protrusion 21, and the switching member 4 is dialed back in place, returning to the state of pressing with sound.
  • the toggle switching member 4 is locked by the toggle locking structure, which is beneficial to the precise control of the elastic member 3, so that one end of the elastic member 3 can be quickly and accurately switched between being under the pressing protrusion 21 and away from the pressing protrusion 21, thereby Realize the switching between pressing with sound and silent function.
  • the lower end of the side wall of the slot 41 near the pressing protrusion 21 has a connecting slope 411 .
  • the pressing projection 21 acts on one end of the elastic member 3 downward, and one end of the elastic member 3 moves downward.
  • one end of the elastic member 3 moves down and first touches the connecting slope 411 on the slot 41, it slides outward along the connecting slope 411 until One end of the elastic member 3 breaks away from the pressing projection 21, as shown in Figure 2 and Figure 3, that is, the connection slope 411 has the same function as the guide slope 11, and one end of the elastic member 3 can move along the guide on the base 1 during the downward movement.
  • the inclined surface 11 or the connecting inclined surface 411 on the slot 41 moves and finally breaks away from the pressing protrusion 21, so that the base 1, the pressing member 2 and/or the toggle switching member 4 are struck to generate sound.
  • a toggle groove 14 is formed on the base 1 for the toggle switch 4 to be inserted and moved, and the positioning groove 12 is formed on a side wall of the toggle groove 14 . Insert the toggle switch 4 into the toggle groove 14, which can move stably when toggled, which is beneficial to the precise control of the elastic member 3, and realizes that one end of the elastic member 3 is under the pressing bump 21 and away from the pressing bump 21. Accurately switch between them, so as to realize the switching between pressing with sound and silent function.
  • the elastic member 3 is a torsion spring 3', which includes a spring body 31, an elastic arm 32 connected to one end of the spring body 31, and a spring arm 32 connected to the spring body.
  • a connection portion 33 at the other end of the body 31 wherein the spring body 31 is disposed in the base 1 , the end of the elastic arm 32 extends into the slot 411 , and the connection portion 33 is inserted into the base 1 .
  • an insertion groove 15 for the insertion of the spring body 31 is formed on the base 1, and an insertion groove 15 is opened on the side of the insertion groove 15. There is an opening 16 through which the spring arm 32 passes.
  • this embodiment is provided with a limit block 17 on the base 1, and the pressing member is not pressed. 2 o'clock, the spring arm 32 is limited by the limit block 17 to prevent the spring arm 32 from bouncing in a large range.
  • the elastic arm 32 of the torsion spring 3 ′ it is also beneficial for the elastic arm 32 of the torsion spring 3 ′ to hit the base 1 , the pressing member 2 and/or the push switch assembly 4 more precisely to produce sound. Simultaneously, when the elastic arm 32 of the torsion spring 3' rebounds and resets, it will also hit the limit block 17 to make a sound.
  • a return spring 5 is provided between the bottom of the pressing member 2 and the base 1 , and the returning spring 5 provides elastic restoring force for the pressing member 2 .
  • the pressing member 2 is a guide core. As shown in FIG. 1 , the pressing protrusion 21 is disposed on the side of the guide core, and the end of the pressing protrusion 21 has an inclined surface.
  • the toggle-type soundless switching mechanism for the key switch is applied to the key switch, as shown in Figure 10 and Figure 11, the upper cover 6 is added, and the existing conventional mechanical conduction method of the dynamic and static plates is adopted inside the key switch or The magnetic conduction method can realize the conduction and disconnection functions.

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  • Push-Button Switches (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Tumbler Switches (AREA)

Abstract

一种按键开关用拨动式有声无声切换机构，包括一基座（1）、及设置于该基座上并上下移动的一按压件（2），在该按压件上设置有一按压凸块（21），在该基座上形成有一导引斜面（11），在该基座上设置有一弹性件（3），该弹性件一端位于导引斜面上方，在该基座上设置有一拨动切换件（4），该拨动切换件带动弹性件一端在处于按压凸块下方与远离按压凸块下方之间切换。该按键开关用拨动式有声无声切换机构可实现拨动有声与拨动无声两种功能的切换，满足用户的不同需求，提高使用便利性，提升用户体验。

Description

一种按键开关用拨动式有声无声切换机构 技术领域
本实用新型涉及按键开关技术领域，尤其涉及一种按键开关用拨动式有声无声切换机构。
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。
实用新型内容
针对上述不足，本实用新型的目的在于提供一种按键开关用拨动式有声无声切换机构，该按键开关用拨动式有声无声切换机构可实现拨动有声与拨动无声两种功能的切换，满足用户的不同需求，提高使用便利性，提升用户体验。
本实用新型为达到上述目的所采用的技术方案是：一种按键开关用拨动式有声无声切换机构，包括一基座、及设置于该基座上并上下移动的一按压件，在该按压件上设置有一按压凸块，在该基座上形成有一导引斜面，在该基座上设置有一弹性件，该弹性件一端位于导引斜面上方，在该基座上设置有一拨动切换件，该拨动切换件带动弹性件一端在处于按压凸块下方与远离按压凸块下方之间切换。
作为本实用新型的进一步改进，所述拨动切换件上形成有一开槽，所述弹性件一端延伸至该开槽内。
作为本实用新型的进一步改进，在所述基座与拨动切换件间还设置有一拨动锁定结构，所述拨动锁定结构包括形成于拨动切换件且靠近开槽的侧面上的一定位凸块、及形成于基座上并与该定位凸块配合的一定位凹槽，在该定位凹槽内形成有一卡轴，该卡轴将定位凹槽分隔成一左定位凹槽、及一右定位凹槽，所述定位凸块卡入左定位凹槽或右定位凹槽内。
作为本实用新型的进一步改进，所述定位凸块具有弧形曲面结构，所述卡轴与定位凹槽连接的侧壁分别具有与弧形曲面配合的弧形斜面。
作为本实用新型的进一步改进，所述开槽靠近按压凸块的侧壁下端具有一连接斜面。
作为本实用新型的进一步改进，在所述基座上形成有供拨动切换件嵌入并活动的一拨动槽，所述定位凹槽形成于拨动槽的侧壁上。
作为本实用新型的进一步改进，所述弹性件为扭簧，该扭簧包括一簧体、连接于簧体一端的一弹动臂、及连接于簧体另一端的一连接部，其中，该簧体设置于基座中，该弹动臂端部延伸至开槽内，该连接部插入基座中。
作为本实用新型的进一步改进，在所述基座上形成有供簧体嵌入的一嵌入槽，且在该嵌入槽侧边上开设有供弹动臂穿出的一开口。
作为本实用新型的进一步改进，在所述基座上设置有一限位块。
作为本实用新型的进一步改进，在所述按压件底部与基座之间设置有一复位弹簧。
本实用新型的有益效果：通过由拨动切换件作用于弹性件一端，对拨动切换件进行拨动带动弹性件一端在按压凸块下方与远离按压凸块下方之间切换，从而实现按压有声与按压无声两种功能的切换，满足用户的不同需求，提高使用便利性，提升用户体验。
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。
附图说明
图1为本实用新型按键开关用拨动式有声无声切换机构的爆炸图；
图2为本实用新型按键开关用拨动式有声无声切换机构的结构示意图；
图3为本实用新型按键开关用拨动式有声无声切换机构中处于无声状态下按压件、弹性件及拨动切换件相结合的结构示意图；
图4为本实用新型按键开关用拨动式有声无声切换机构中处于无声状态下按压件、弹性件及拨动切换件设置于基座上的结构示意图；
图5为图4中位置A的局部放大图；
图6为本实用新型按键开关用拨动式有声无声切换机构中处于有声状态下按压件、弹性件及拨动切换件设置于基座上的结构示意图；
图7为图6中位置B的局部放大图；
图8为本实用新型按键开关用拨动式有声无声切换机构中拨动切换件的结构示意图；
图9为本实用新型按键开关用拨动式有声无声切换机构中基座的结构示意图；
图10为本实用新型处于无声状态下按键开关的外部结构示意图；
图11为本实用新型处于有声状态下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。
请参照图1与图2，一种按键开关用拨动式有声无声切换机构，包括一基座1、及设置于该基座1上并上下移动的一按压件2，在该按压件2上设置有一按压凸块21，在该基座1上形成有一导引斜面11，在该基座1上设置有一弹性件3，该弹性件3一端位于导引斜面11上方，在该基座1上设置有一拨动切换件4，该拨动切换件4带动弹性件3一端在处于按压凸块21下方与远离按压凸块21下方之间切换。
本实施例由弹性件3与拨动切换件4进行配合，通过对拨动切换件4进行拨动使弹性件3一端在处于按压凸块21下方与远离按压凸块21下方之间切换，从而实现按压有声与按压无声两种功能的切换，满足用户的不同需求。
具体的，当拨动拨动切换件4向远离按压凸块21方向移动时，拨动切换件4作用于弹性件3一端，使弹性件3一端朝远离按压凸块21方向移动，则弹性件3一端离开按压凸块21下方，即弹性件3一端发生了弹性形变，如图4、图5与图10所示，此时，向下按压按压件2，按压件2不会作用于弹性件3，不会发出声音，因此，实现按压无声功能。当应用于按键开关上时，按键开关处于无声状态。
当拨动拨动切换件4向按压凸块21方向移动时，拨动切换件4对弹性件3一端的作用力减小或消失，弹性件3一端在自身弹性恢复力作用下复位，向按压凸块21下方移动，最终处于按压凸块21下方，如图6、图7与图11所示，此时，向下按压按压件2，按压件2作用于弹性件3，发出声音，因此，实现按压发声功能。当应用于按键开关上时，按键开关处于有声状态。
具体的发声原理为：在向下按压按压件2的过程中，按压件2上的按压凸块21随着下移，按压凸块21向下作用于弹性件3一端，弹性件3一端下移，当弹性件3一端下移到碰到基座1上的导引斜面11时，沿着导引斜面11向外滑动，直到弹性件3一端脱离按压凸块21，此时手会感觉到按压力有明显变小，从而产生手感；同时按压凸块21回弹复位，敲打到基座1、按压件2和/或拨动切换件4上产生声音。
如图3与图8所示，所述拨动切换件4上形成有一开槽41，所述弹性件3一端延伸至该开槽41内。在拨动切换件4处于未拨动的初始状态时，弹性件3的一端位于开槽41内且位于按压凸块21下方，此时，拨动切换件4对弹性件3没有产生作用力或产生的作用力很小；当拨动拨动切换件4向远离按压凸块21方向移动时，开槽41的侧壁作用于弹性件3一端并推动弹性件3一端离开按压凸块21下方。对拨动切换件4进行回拨，使其位于初始状态的位置，此时，拨动切换件4对弹性件3的作用力消失或很小，弹性件3在自身弹性恢复力作用下复位，向按压凸块21下方移动，最终位于按压凸块 21下方。由拨动切换件4的特殊结构设计，实现精准作用于弹性件3，从而实现按压有声与按压无声的切换。
本实施例中，如图4至图9所示，在所述基座1与拨动切换件4间还设置有一拨动锁定结构，所述拨动锁定结构包括形成于拨动切换件4且靠近开槽41的侧面上的一定位凸块42、及形成于基座1上并与该定位凸块42配合的一定位凹槽12，在该定位凹槽12内形成有一卡轴13，该卡轴13将定位凹槽12分隔成一左定位凹槽121、及一右定位凹槽122，所述定位凸块21卡入左定位凹槽121或右定位凹槽122内。具体的，所述定位凸块21具有弧形曲面结构，所述卡轴13与定位凹槽12连接的侧壁分别具有与弧形曲面配合的弧形斜面。
拨动切换件4在初始未拨动状态时，定位凸块21卡入左定位凹槽121内，此时，弹性件3一端位于按压凸块21下方，按压按压件2发出声音，如图6与图7所示；拨动拨动切换件4向远离按压凸块21方向移动时，拨动切换件4上的定位凸块21随着移动，定位凸块21离开左定位凹槽121并绕过卡轴13，直到卡入右定位凹槽122内，此时，弹性件3一端离开按压凸块21下方，拨动切换件4拨动到位，按压按压件2不会发出声音，如图4与图5所示。对拨动切换件4进行回拨，拨动切换件4上的定位凸块42随着移动，定位凸块42离开右定位凹槽122并绕过卡轴13，直到定位凸块42再次卡入左定位凹槽121内，此时，弹性件3一端位于按压凸块21的下方，拨动切换件4回拨到位，恢复到按压有声状态。由拨动锁定结构对拨动切换件4进行锁定，利于对弹性件3的精确控制，实现弹性件3一端在处于按压凸块21下方与远离按压凸块21下方之间快速且准确切换，从而实现按压有声与无声功能的切换。
本实施例中，如图8所示，所述开槽41且靠近按压凸块21的侧壁下端具有一连接斜面411。按压凸块21向下作用于弹性件3一端，弹性件3一端下移，当弹性件3一端下移先碰到开槽41上的连接斜面411时，沿着连接斜面411向外滑动，直到弹性件3一端脱离按压凸块21，如图2与图3所示，即该连接斜面411具有与导引斜面11相同的功能，弹性件3一端在下移过 程中可以沿基座1上的导引斜面11或开槽41上的连接斜面411移动并最终脱离按压凸块21，从而敲打到基座1、按压件2和/或拨动切换件4上产生声音。
如图9所示，在所述基座1上形成有供拨动切换件4嵌入并活动的一拨动槽14，所述定位凹槽12形成于拨动槽14的侧壁上。将拨动切换件4嵌入拨动槽14内，在拨动时可以稳定的移动，利于对弹性件3的精确控制，实现弹性件3一端在处于按压凸块21下方与远离按压凸块21下方之间准确切换，从而实现按压有声与无声功能的切换。
本施例中，如图1所示，所述弹性件3为扭簧3'，该扭簧3'包括一簧体31、连接于簧体31一端的一弹动臂32、及连接于簧体31另一端的一连接部33，其中，该簧体31设置于基座1中，该弹动臂32端部延伸至开槽411内，该连接部33插入基座1中。
对于扭簧3'的安装限位方式，如图2与图9所示，在所述基座1上形成有供簧体31嵌入的一嵌入槽15，且在该嵌入槽15侧边上开设有供弹动臂32穿出的一开口16。
在按压件2处于未按压状态下，为了对弹动臂32进行限位，如图2与图9所示，本实施例在所述基座1上设置有一限位块17，未按压按压件2时，由限位块17对弹动臂32进行限位，防止弹动臂32大范围的弹动。同时，也利于扭簧3'的弹动臂32能够更精确的敲打到基座1、按压件2和/或按动切换组件4上发声。同时，在扭簧3'的弹动臂32回弹复位时，还会敲打到限位块17上发声。
为了便于对按压件2的按压，在所述按压件2底部与基座1之间设置有一复位弹簧5，由复位弹簧5为按压件2提供弹性恢复力。
在本实施例中，所述按压件2为导芯，如图1所示，该按压凸块21设置于导芯侧边上，该按压凸块21端部具有一倾斜面。
当按键开关处于有声状态时，在向下按压导芯的过程中，导芯上的按压凸块21随着下移，按压凸块21向下按压扭簧3'的弹动臂32，弹动臂32下移，当弹动臂32下移到碰到基座1上的导引斜面11或拨动切换件4上的连 接斜面411时，沿着导引斜面11或连接斜面411向外滑动，直到弹动臂32脱离按压凸块21，此时手会感觉到按压力有明显变小，从而产生手感；同时按压凸块21回弹复位，敲打到基座1、按压件2和/或按动切换组件4上产生声音。
本实施例按键开关用拨动式有声无声切换机构应用于按键开关中，如图10与图11所示，增加上盖6，并在按键开关内部采用现有常规的动静片机械导通方式或磁性导通方式，即可实现导通与断开功能。
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。

Claims (10)

  1. 一种按键开关用拨动式有声无声切换机构，包括一基座、及设置于该基座上并上下移动的一按压件，在该按压件上设置有一按压凸块，在该基座上形成有一导引斜面，在该基座上设置有一弹性件，该弹性件一端位于导引斜面上方，其特征在于，在该基座上设置有一拨动切换件，该拨动切换件带动弹性件一端在处于按压凸块下方与远离按压凸块下方之间切换。
  2. 根据权利要求1所述的按键开关用拨动式有声无声切换机构，其特征在于，所述拨动切换件上形成有一开槽，所述弹性件一端延伸至该开槽内。
  3. 根据权利要求2所述的按键开关用拨动式有声无声切换机构，其特征在于，在所述基座与拨动切换件间还设置有一拨动锁定结构，所述拨动锁定结构包括形成于拨动切换件且靠近开槽的侧面上的一定位凸块、及形成于基座上并与该定位凸块配合的一定位凹槽，在该定位凹槽内形成有一卡轴，该卡轴将定位凹槽分隔成一左定位凹槽、及一右定位凹槽，所述定位凸块卡入左定位凹槽或右定位凹槽内。
  4. 根据权利要求3所述的按键开关用拨动式有声无声切换机构，其特征在于，所述定位凸块具有弧形曲面结构，所述卡轴与定位凹槽连接的侧壁分别具有与弧形曲面配合的弧形斜面。
  5. 根据权利要求2所述的按键开关用拨动式有声无声切换机构，其特征在于，所述开槽靠近按压凸块的侧壁下端具有一连接斜面。
  6. 根据权利要求3所述的按键开关用拨动式有声无声切换机构，其特征在于，在所述基座上形成有供拨动切换件嵌入并活动的一拨动槽，所述定位凹槽形成于拨动槽的侧壁上。
  7. 根据权利要求2至6中任一所述的按键开关用拨动式有声无声切换机构，其特征在于，所述弹性件为扭簧，该扭簧包括一簧体、连接于簧体一端的一弹动臂、及连接于簧体另一端的一连接部，其中，该簧体设置于基座中，该弹动臂端部延伸至开槽内，该连接部插入基座中。
  8. 根据权利要求7所述的按键开关用拨动式有声无声切换机构，其特征 在于，在所述基座上形成有供簧体嵌入的一嵌入槽，且在该嵌入槽侧边上开设有供弹动臂穿出的一开口。
  9. 根据权利要求1至6中任一所述的按键开关用拨动式有声无声切换机构，其特征在于，在所述基座上设置有一限位块。
  10. 根据权利要求1至6中任一所述的按键开关用拨动式有声无声切换机构，其特征在于，在所述按压件底部与基座之间设置有一复位弹簧。
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