CN108807060B - Sounding device for elastic key - Google Patents
Sounding device for elastic key Download PDFInfo
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- CN108807060B CN108807060B CN201811053259.7A CN201811053259A CN108807060B CN 108807060 B CN108807060 B CN 108807060B CN 201811053259 A CN201811053259 A CN 201811053259A CN 108807060 B CN108807060 B CN 108807060B
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- 238000003825 pressing Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000012528 membrane Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- H01H13/70—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/03—Sound
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- Push-Button Switches (AREA)
- Stringed Musical Instruments (AREA)
Abstract
Description
技术领域Technical field
本发明涉及按键领域，具体涉及一种用于弹性按键的发声装置。The invention relates to the field of keys, and in particular to a sound-generating device for elastic keys.
背景技术Background technique
传统的弹性按键(例如薄膜按键)运用范围非常广泛，这类按键在敲击或者按压时触发开关信号，通过自身的弹性材质进行回弹。这类弹性按键存在的问题是，在敲击或按压时，由于没有机械按键的微动弹片开关结构，弹性按键几乎没有段落感的敲击声，触发过程也软绵绵，手感较差。若要对传统的弹性按键进行发声改造的话，技术十分复杂，成本过高，基本上在本技术领域无实现的可能性。针对这种现状，本创新所要解决的技术问题是提供一种外置装置，可装设在弹性按键外，提供段落感和发声的按压功能。Traditional elastic buttons (such as membrane buttons) are widely used. This type of button triggers a switch signal when struck or pressed, and rebounds through its own elastic material. The problem with this type of elastic key is that when it is tapped or pressed, since there is no micro-shrapnel switch structure of a mechanical key, the elastic key has almost no step-like tapping sound, and the triggering process is also soft and has a poor feel. If we want to modify the sound of traditional elastic buttons, the technology is very complicated and the cost is too high. It is basically impossible to realize it in this technical field. In response to this current situation, the technical problem to be solved by this innovation is to provide an external device that can be installed outside the elastic button to provide a sense of paragraphing and a sound pressing function.
发明内容Contents of the invention
针对上述问题，本发明旨在提供一种能够直接安装在弹性按键上以实现有清脆敲击效果的发声装置。In view of the above problems, the present invention aims to provide a sound-generating device that can be directly installed on the elastic key to achieve a crisp knocking effect.
为实现该技术目的，本发明的方案是：一种用于弹性按键的发声装置，所述发声装置包括键座，嵌套安装于键座内的键芯，所述键座的底部为套接腔，键座通过套接腔装设于弹性按键上，键芯的底部紧邻弹性按键，键芯的顶部伸出于键座，按压键芯可作用力于弹性按键；所述键座与键芯之间设置有发声结构件。In order to achieve this technical purpose, the solution of the present invention is: a sound-generating device for elastic keys. The sound-generating device includes a key base, a key core nested in the key base, and the bottom of the key base is a socket cavity. , the key base is installed on the elastic key through the socket cavity, the bottom of the key core is adjacent to the elastic key, the top of the key core extends from the key base, and pressing the key core can act on the elastic key; between the key base and the key core A sound-producing structural member is provided.
所述发声结构件包括张力弹簧、连接臂，所述连接臂的顶部设置有卡勾，连接臂的底部为发声底座；The sound-generating structural member includes a tension spring and a connecting arm. The top of the connecting arm is provided with a hook, and the bottom of the connecting arm is a sound-generating base;
所述键芯中部设置有发声腔体，所述键芯一侧设置有侧窗；所述连接臂穿过侧窗内置于发声腔体，所述张力弹簧的一端设置在连接臂的发声底座上，另一端顶于发声腔体的顶部；A sounding cavity is provided in the middle of the key core, and a side window is provided on one side of the key core; the connecting arm passes through the side window and is built into the sounding cavity, and one end of the tension spring is arranged on the sounding base of the connecting arm. , the other end is against the top of the sound cavity;
所述连接臂的卡勾顶部为上斜坡面；The top of the hook of the connecting arm is an upward slope;
键芯未被按压时，卡勾的上斜坡部与侧窗顶部内侧相接触，卡勾的下水平部与键座顶部相接触使连接臂处于悬挂状态；When the key core is not pressed, the upper slope part of the hook is in contact with the inside of the top of the side window, and the lower horizontal part of the hook is in contact with the top of the key base so that the connecting arm is in a hanging state;
当键芯被按压下行时，键芯的侧窗顶部挤压卡勾的上斜坡部，使得卡勾向键芯内侧移动，张力弹簧不断被挤压蓄能，同时连接臂的发声底座与键芯的发声腔体底部的距离不断增大，直至键芯下行到临界位置时卡勾脱离键座顶部，发声底座与发声腔体底部在张力弹簧的作用下击打发声。When the key core is pressed downward, the top of the side window of the key core squeezes the upper slope of the hook, causing the hook to move toward the inside of the key core. The tension spring is continuously squeezed to accumulate energy. At the same time, the sound base of the connecting arm is connected to the key core. The distance between the bottom of the sounding cavity continues to increase until the hook breaks away from the top of the key base when the key core descends to the critical position. The sounding base and the bottom of the sounding cavity hit and sound under the action of the tension spring.
作为优选，所述键芯两侧设置有可活动的卡扣，所述键座两侧设置有凸起的卡槽，当键芯嵌入键座后，卡扣卡入卡槽，键芯在卡槽限定范围内上下活动。Preferably, the key core is provided with movable buckles on both sides, and the key base is provided with raised slots on both sides. When the key core is embedded in the key base, the buckles snap into the slot, and the key core is locked in the slot. Move up and down within the limited range of the slot.
作为优选，所述连接臂下部设置有槽孔，所述张力弹簧下半部嵌入槽孔内；Preferably, the lower part of the connecting arm is provided with a slot, and the lower half of the tension spring is embedded in the slot;
所述发声腔体底部设置有固定凸柱，所述张力弹簧上半部卡在固定凸柱上。A fixed protruding column is provided at the bottom of the sound-generating cavity, and the upper half of the tension spring is stuck on the fixed protruding column.
作为优选，所述发声腔体内还设置有发声卡片，所述发声底座上还设置有发声槽；Preferably, the sound-generating cavity is further provided with a sound-producing card, and the sound-producing base is further provided with a sound-producing slot;
所述发声底座卡入发声卡片后，发声卡片位于发声槽内。After the sound-producing base is inserted into the sound-producing card, the sound-producing card is located in the sound-producing slot.
作为优选，所述发声卡片为三角形结构，所述发声槽为梯形结构。Preferably, the sound-generating card has a triangular structure, and the sound-generating groove has a trapezoidal structure.
作为优选，所述连接臂的拐角处还设置有加强筋。Preferably, reinforcing ribs are also provided at the corners of the connecting arms.
作为优选，所述键芯中上部设置有键柱，所述键柱上嵌套安装有键帽。Preferably, a key post is provided in the middle and upper part of the key core, and a keycap is nested on the key post.
本发明的有益效果，本申请能够很好的直接安装在弹性按键上，适合传统的弹性按键(如薄膜键盘)应用，按压过程中有较强的段落感和清脆的敲击声；本申请发声按键的结构简单，生产成本低，适配性好，安装速度快，发声清脆，使用寿命长。The beneficial effects of the present invention are that this application can be directly installed on elastic keys and is suitable for traditional elastic keys (such as membrane keyboards). There is a strong sense of paragraphs and crisp knocking sounds during the pressing process; the application makes a sound The button has a simple structure, low production cost, good adaptability, fast installation speed, crisp sound and long service life.
附图说明Description of the drawings
图1为本发明的结爆炸图；Figure 1 is a junction explosion diagram of the present invention;
图2为本发明的键芯的结构示意图；Figure 2 is a schematic structural diagram of the key core of the present invention;
图3为本发明的键芯仰视面的结构示意图；Figure 3 is a schematic structural diagram of the key core of the present invention viewed from the bottom;
图4为本发明的发声结构件的结构示意图；Figure 4 is a schematic structural diagram of the sound-generating structural member of the present invention;
图5为本发明初始状态的结构示意图；Figure 5 is a schematic structural diagram of the initial state of the present invention;
图6为本发明按下过程中的结构示意图；Figure 6 is a schematic structural diagram during the pressing process of the present invention;
图7为本发明完全按下的结构示意图。Figure 7 is a schematic structural diagram of the present invention when it is fully pressed.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明做进一步详细说明。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
如图1-7所示，本发明所述的具体实施例为一种用于弹性按键的发声装置，所述发声装置包括键座1，嵌套安装于键座1内的键芯3，所述键座1的底部为套接腔6，键座1通过套接腔6装设于弹性按键2上，键芯3的底部紧邻弹性按键2，键芯3的顶部伸出于键座1，按压键芯3可作用力于弹性按键2；所述键座1与键芯3之间设置有发声结构件5。As shown in Figures 1-7, the specific embodiment of the present invention is a sound-generating device for elastic keys. The sound-generating device includes a key base 1 and a key core 3 nested in the key base 1. The bottom of the key base 1 is a socket cavity 6. The key base 1 is installed on the elastic key 2 through the socket cavity 6. The bottom of the key core 3 is adjacent to the elastic key 2. The top of the key core 3 protrudes from the key base 1. Press the key. The core 3 can exert force on the elastic key 2; a sound-generating structural member 5 is provided between the key base 1 and the key core 3.
所述发声结构件5包括张力弹簧504、连接臂502，所述连接臂502的顶部设置有卡勾501，连接臂502的底部为发声底座503；The sound-generating structural member 5 includes a tension spring 504 and a connecting arm 502. The top of the connecting arm 502 is provided with a hook 501, and the bottom of the connecting arm 502 is a sound-generating base 503;
所述键芯3中部设置有发声腔体301，所述键芯3一侧设置有侧窗302；所述连接臂502穿过侧窗302内置于发声腔体301，所述张力弹簧504的一端设置在连接臂502的发声底座503上，另一端顶于发声腔体301的顶部；A sound-generating cavity 301 is provided in the middle of the key core 3, and a side window 302 is provided on one side of the key core 3; the connecting arm 502 passes through the side window 302 and is built into the sound-generating cavity 301, and one end of the tension spring 504 It is arranged on the sound base 503 of the connecting arm 502, and the other end is against the top of the sound cavity 301;
所述连接臂502的卡勾501顶部为上斜坡面；The top of the hook 501 of the connecting arm 502 is an upward slope;
键芯3未被按压时，卡勾501的上斜坡部与侧窗302顶部内侧相接触，卡勾501的下水平部与键座1顶部相接触使连接臂处于悬挂状态；When the key core 3 is not pressed, the upper slope part of the hook 501 is in contact with the inside of the top of the side window 302, and the lower horizontal part of the hook 501 is in contact with the top of the key base 1 so that the connecting arm is in a hanging state;
当键芯3被按压下行时，键芯3的侧窗302顶部挤压卡勾501的上斜坡部，使得卡勾501向键芯3内侧移动，张力弹簧504不断被挤压蓄能，同时连接臂502的发声底座503与键芯3的发声腔体301底部的距离不断增大，直至键芯3下行到临界位置时卡勾501脱离键座1顶部，发声底座503与发声腔体301底部在张力弹簧504的作用下击打发声。When the key core 3 is pressed downward, the top of the side window 302 of the key core 3 squeezes the upper slope of the hook 501, causing the hook 501 to move toward the inside of the key core 3, and the tension spring 504 is continuously squeezed to accumulate energy, and at the same time, the connection The distance between the sound base 503 of the arm 502 and the bottom of the sound cavity 301 of the key core 3 continues to increase until the key core 3 descends to the critical position and the hook 501 detaches from the top of the key base 1. The sound is produced when struck under the action of the tension spring 504.
为了更好的固定键芯，所述键芯3两侧设置有可活动的卡扣303，所述键座1两侧设置有凸起的卡槽7，当键芯3嵌入键座1后，卡扣303卡入卡槽7，键芯3在卡槽7限定范围内上下活动。当键芯通过卡扣插入键座，键芯可以在键座内指定区域上下活动，不会弹出。In order to better fix the key core, movable buckles 303 are provided on both sides of the key core 3, and raised slots 7 are provided on both sides of the key base 1. When the key core 3 is embedded in the key base 1, The buckle 303 is locked into the card slot 7 , and the key core 3 moves up and down within the limited range of the card slot 7 . When the key core is inserted into the key base through the buckle, the key core can move up and down in the designated area of the key base without popping out.
为了固定张力弹簧，所述连接臂502下部设置有槽孔505，所述张力弹簧504下半部嵌入槽孔505内；In order to fix the tension spring, the lower part of the connecting arm 502 is provided with a slot 505, and the lower half of the tension spring 504 is embedded in the slot 505;
所述发声腔体301底部设置有固定凸柱304，所述张力弹簧504上半部卡在固定凸柱304上。张力弹簧上部通过固定凸柱进行固定，张力弹簧下部通过槽孔进行固定，可以有效避免张力弹簧在挤压过程中松动。A fixed protruding column 304 is provided at the bottom of the sound-generating cavity 301, and the upper half of the tension spring 504 is stuck on the fixed protruding column 304. The upper part of the tension spring is fixed through the fixed protruding column, and the lower part of the tension spring is fixed through the slotted hole, which can effectively prevent the tension spring from loosening during the extrusion process.
为了使得发声结构件在指定区域活动，所述发声腔体301内还设置有发声卡片305，所述发声底座503上还设置有发声槽506；In order to enable the sound-generating structural components to move in designated areas, the sound-generating cavity 301 is also provided with a sound-generating card 305, and the sound-generating base 503 is also provided with a sound-generating slot 506;
所述发声底座503卡入发声卡片305后，发声卡片305位于发声槽506内，发声卡片将发声结构件限制在发声槽的区间内活动。通过将发声底座插入到发声腔体上的发声卡片内，发声卡片可以有效固定连接臂，让发声底座在指定区域水平活动，增减稳定性。After the sound-generating base 503 is inserted into the sound-generating card 305, the sound-generating card 305 is located in the sound-generating slot 506, and the sound-generating card restricts the movement of the sound-generating structural member within the range of the sound-generating slot. By inserting the sound base into the sound card on the sound cavity, the sound card can effectively fix the connecting arm, allowing the sound base to move horizontally in the designated area, increasing or decreasing stability.
为了更好的实现限位功能，所述发声卡片305为三角形结构，所述发声槽506为梯形结构。In order to better realize the limiting function, the sound-generating card 305 has a triangular structure, and the sound-generating slot 506 has a trapezoidal structure.
为了增加连接臂的稳定性，所述连接臂502的拐角处还设置有加强筋507。由于连接臂在活动中会受到挤压，通过增加加强筋可以为强其稳定性，增加使用寿命。In order to increase the stability of the connecting arm, reinforcing ribs 507 are provided at the corners of the connecting arm 502 . Since the connecting arm will be squeezed during activities, adding reinforcement ribs can enhance its stability and increase its service life.
为了更好的固定键帽，所述键芯3中部上设置有键柱306，所述键柱306上嵌套安装有键帽4。所述键柱由四个方锥形组成，键帽底部对应设置有安装槽，通过键柱可以稳定的将键帽与键芯连接起来。In order to better fix the keycaps, a key post 306 is provided in the middle of the key core 3 , and a keycap 4 is nested on the key post 306 . The key post is composed of four square cones, and the bottom of the key cap is provided with a corresponding installation groove. The key post can stably connect the key cap and the key core.
静止时，卡勾的下水平部与键座顶部相接触，张力弹簧为张开状态，此时发声槽的垂直边与发声卡片的垂直边相接触。使用时，按下键芯，键芯上的侧窗挤压发声结构件也向下运动，即卡勾向键芯内侧下方移动，张力弹簧变为压缩状态，当键芯下行到临界位置时卡勾的下水平部与键座顶部分离，发声底座的发声槽与发声腔体底部的发声卡片在张力弹簧的作用下击打而发出清脆的响声(图5状态到图6状态)；键芯继续向下移动，直到弹力按键被完全按压(图7状态)；松开后，弹力按键自动回弹，带动键芯、键帽、发声结构件复位。When at rest, the lower horizontal part of the hook is in contact with the top of the key base, and the tension spring is in an open state. At this time, the vertical side of the sounding slot is in contact with the vertical side of the sounding card. During use, when the key core is pressed, the side window on the key core squeezes the sound-generating structural member and moves downward, that is, the hook moves downward inside the key core, and the tension spring changes to a compressed state. When the key core moves down to the critical position, it is stuck. The lower horizontal part of the hook is separated from the top of the key base, and the sound-producing slot of the sound-producing base and the sound-producing card at the bottom of the sound-producing cavity hit under the action of the tension spring and make a crisp sound (from the state in Figure 5 to the state in Figure 6); the key core continues Move downward until the elastic button is fully pressed (the state in Figure 7); after releasing, the elastic button will automatically rebound, driving the key core, keycap, and sound-producing structural parts to reset.
本申请结构简单，本申请能够很好的直接安装在弹性按键上，适合传统的薄膜键盘应用，按压过程中有较强的段落感和清脆的敲击声；本申请发声按键的结构简单，生产成本低，适配性好，安装速度快，发声清脆，使用寿命长。The structure of this application is simple. This application can be directly installed on the elastic key. It is suitable for traditional membrane keyboard applications. It has a strong sense of paragraphs and crisp knocking sounds during the pressing process. The sounding key of this application has a simple structure and is easy to produce. Low cost, good adaptability, fast installation, crisp sound and long service life.
以上所述，仅为本发明的较佳实施例，并不用以限制本发明，凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同替换和改进，均应包含在本发明技术方案的保护范围之内。The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any minor modifications, equivalent substitutions and improvements made to the above embodiments based on the technical essence of the present invention shall be included in the technical scope of the present invention. within the protection scope of the scheme.
Claims (7)
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| CN201811053259.7A CN108807060B (en) | 2018-09-10 | 2018-09-10 | Sounding device for elastic key |
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| CN201811053259.7A CN108807060B (en) | 2018-09-10 | 2018-09-10 | Sounding device for elastic key |
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| CN108807060A CN108807060A (en) | 2018-11-13 |
| CN108807060B true CN108807060B (en) | 2023-11-07 |
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|---|---|---|---|---|
| CN111292990A (en) * | 2018-12-07 | 2020-06-16 | 致伸科技股份有限公司 | Keyboard device and key structure thereof |
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| CN208622632U (en) * | 2018-09-10 | 2019-03-19 | 东莞市名键电子科技有限公司 | A kind of sounding device for flexible keypad |
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| CN205230887U (en) * | 2015-12-13 | 2016-05-11 | 关义刚 | Machinery button |
| CN205959844U (en) * | 2016-07-06 | 2017-02-15 | 李�泳 | Sound production shell fragment membrane keyboard |
| CN206711804U (en) * | 2017-03-17 | 2017-12-05 | 李荣书 | A key sounding device for a silicone film keyboard with a backlight |
| CN206595178U (en) * | 2017-04-10 | 2017-10-27 | 惠州市正牌科电有限公司 | Mechanical switch and its keyboard structure and its keyboard structure for membrane keyboard |
| CN208622632U (en) * | 2018-09-10 | 2019-03-19 | 东莞市名键电子科技有限公司 | A kind of sounding device for flexible keypad |
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| CN108807060A (en) | 2018-11-13 |
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