WO2016112842A1 - 静音开关 - Google Patents

静音开关 Download PDF

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Publication number
WO2016112842A1
WO2016112842A1 PCT/CN2016/070700 CN2016070700W WO2016112842A1 WO 2016112842 A1 WO2016112842 A1 WO 2016112842A1 CN 2016070700 W CN2016070700 W CN 2016070700W WO 2016112842 A1 WO2016112842 A1 WO 2016112842A1
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WO
WIPO (PCT)
Prior art keywords
elastic body
disposed
connecting portion
terminal
contact
Prior art date
Application number
PCT/CN2016/070700
Other languages
English (en)
French (fr)
Inventor
吴福喜
Original Assignee
东莞市凯华电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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 WO2016112842A1 publication Critical patent/WO2016112842A1/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
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • 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

Definitions

  • the utility model relates to the field of switch technology, in particular to a mute switch.
  • micro switch is a kind of quick-change switch for pressure actuation. Because the contact distance of the switch is relatively small, the name micro-switch is also called sensitive switch. Micro-switches are widely used, such as computer mouse, car mouse, automotive electronics, communication equipment, military products, test equipment, gas water heaters, gas stoves, small appliances, microwave ovens, rice cookers, float equipment, medical equipment, Building automation, power tools and general electrical and radio equipment, 24-hour timers, etc.
  • the micro switch is divided into an audible switch and a silent switch according to the vocal and silent classification.
  • the audible switch emits a sound during the use process, although the user can get a good hand feeling, but the sound emitted by the audible switch makes it possible under certain circumstances. It is noisy and it is not suitable for occasions to be quiet.
  • the present invention is directed to the absence of the prior art, and its main purpose is to provide a mute switch that does not generate noise during use, and has a simple structure, is convenient and practical.
  • a mute switch includes a main body, an upper cover, a trigger mechanism, a switch conducting mechanism, and an elastic body that realizes the switch conducting mechanism to be turned on or off, and the upper cover is mounted on the main body and forms a receiving space with the main body
  • the switch conducting mechanism, the elastic body and the triggering mechanism are all disposed in the accommodating space, the elastic body has a silent pressing position; the triggering mechanism includes a guiding core, and the guiding core directly or indirectly abuts the silent pressing position
  • the upper cover has a core guiding groove, and the guiding core is disposed in the guiding core groove so as to be movable up and down and the upper end of the guiding core is exposed outside the upper cover.
  • the switch conducting mechanism includes a first terminal, a second terminal, and a third terminal.
  • the first terminal, the second terminal, and the third terminal are all disposed on the main body, and the first terminal has a first terminal.
  • a second contact having a second contact, the first contact and the second contact being disposed above and below, the elastic body being in contact electrical connection with the third terminal, the third terminal having a first connection portion and a second connection a connecting portion, the elastic body can be turned upside down about the first connecting portion, the outer end of the elastic body has a movable contact, the movable contact is located between the first contact and the second contact, and the silent pressing position is located Between the movable contact and the first connecting portion, the guiding core abuts against the silent pressing position of the elastic body.
  • the trigger mechanism includes a bridge piece and a guiding core.
  • One end of the bridge piece abuts against a silent pressing position of the elastic body, and the other end of the bridge piece is disposed on the main body, and the guiding core is abutted. On the bridge piece.
  • the guiding core includes a main body portion and an extending portion extending laterally from the main body portion, and a lower end of the extending portion extends downwardly to a pressing portion, and the pressing portion abuts against the silent portion of the elastic body. Pressure position.
  • the core guiding groove is located directly above the silent pressing position of the elastic body, and the guiding core is located in the guiding core groove and the guiding core abuts against the silent pressing position.
  • the switch conducting mechanism includes an infrared tube, a support member, and a limiting member.
  • the infrared tube has a light emitting end and a light receiving end, and the outer end of the elastic body has a light for changing the infrared tube.
  • the light-shielding member is disposed on the main body, and the support member and the limiting member are disposed on the main body, the support member has a third connecting portion and a fourth connecting portion, the elastic body and the third portion The connecting portion and the fourth connecting portion are connected and the elastic body can be turned upside down about the third connecting portion.
  • the silent pressing position is located between the light blocking member and the third connecting portion.
  • the triggering mechanism includes a bridge piece and the foregoing guiding core. One end of the bridge piece abuts against the silent pressing position of the elastic body, and the other end of the bridge piece is disposed on the main body, and the guiding core abuts against the bridge piece.
  • the infrared tube is a refractive infrared tube, and the light emitting end and the light receiving end are packaged on the same body, and the light blocking member is disposed above and below the body.
  • the infrared tube is a through-beam type infrared tube, and includes a transmitting tube and a receiving tube.
  • the light emitting end is disposed on the transmitting tube, and the light receiving end is disposed on the receiving tube, and the light blocking member is The upper and lower activities are disposed between the launch tube and the receiving tube.
  • the elastic body is an integrated spring piece structure, which comprises a frame body portion and a spring piece portion.
  • the movable contact is disposed on the frame portion and located at an outer end of the frame portion.
  • the frame portion has a latching hole, and the latching hole is engaged with the second connecting portion on the third terminal.
  • the elastic body is an integrated spring piece structure, and includes a frame body portion and a spring piece portion.
  • the light shielding member is disposed on the frame body portion and located at an outer end of the frame body portion.
  • the latching hole is fastened to the fourth connecting portion of the supporting member, and the elastic portion has a connecting end, and the connecting end is opposite to the third connecting portion.
  • the utility model has obvious advantages and beneficial effects compared with the prior art. Specifically, it can be known from the above technical solutions.
  • the elastic body has a silent pressing position, and the guiding core directly or indirectly abuts against the silent pressing position, and the elastic body is moved downward by pressing the guiding core, thereby realizing the function of the switch conducting, and the operation is not It will make a sound, avoiding the noise problem caused by the traditional hard collision. It is especially suitable when it needs to be quiet. It meets the user's needs, brings great convenience to the user, and is easy to operate, compact and convenient. practical.
  • FIG. 1 is a schematic perspective view of a first preferred embodiment of the present invention
  • Figure 2 is an exploded perspective view of the first preferred embodiment of the present invention
  • FIG. 3 is a partial assembly view of the first preferred embodiment of the present invention.
  • FIG. 4 is a schematic structural view of the elastic body of the first preferred embodiment of the present invention as a split spring piece;
  • Figure 5 is a schematic view showing the structure of the elastic body of the first preferred embodiment of the present invention.
  • Figure 6 is a schematic cross-sectional view showing the first preferred embodiment of the present invention in a free state
  • Figure 7 is a schematic cross-sectional view showing the first preferred embodiment of the present invention in a triggered state
  • Figure 8 is a schematic cross-sectional view showing the second preferred embodiment of the present invention in a free state
  • Figure 9 is a schematic cross-sectional view showing the second preferred embodiment of the present invention in a triggered state
  • Figure 10 is a schematic cross-sectional view showing the third preferred embodiment of the present invention in a free state
  • Figure 11 is a cross-sectional view showing the third preferred embodiment of the present invention in a triggered state
  • Figure 12 is a schematic cross-sectional view showing the fourth preferred embodiment of the present invention in a free state
  • Figure 13 is a partial structural view of Figure 12;
  • Figure 14 is a cross-sectional view showing the fourth preferred embodiment of the present invention in a triggered state
  • Figure 15 is a partial structural view of Figure 14;
  • Figure 16 is a schematic cross-sectional view showing the fifth preferred embodiment of the present invention in a free state
  • Figure 17 is a partial structural view of Figure 16
  • Figure 18 is a cross-sectional view showing the fifth preferred embodiment of the present invention in a triggered state
  • Figure 19 is a partial structural view of Figure 18.
  • FIG. 1 to FIG. 7 a specific structure of the first preferred embodiment of the present invention is shown, which includes a main body 10 , an upper cover 20 , a switch conducting mechanism 30 , an elastic body 40 , and a trigger mechanism 50 . .
  • the main body 10 includes a base 11 and a housing 12 disposed on the base 11.
  • the upper cover 20 is mounted on the main body 10 and surrounds the main body 10 to form an accommodation space 101.
  • the switch conduction mechanism 30 is elastic.
  • the body 40 and the trigger mechanism 50 are both disposed in the accommodating space 101.
  • the upper cover 20 has a core guide groove 21.
  • the switch conducting mechanism 30 includes a first terminal 31, a second terminal 32, and a third terminal 33.
  • the first terminal 31, the second terminal 32, and the third terminal 33 are all disposed on the main body 10.
  • the first terminal 31, the second terminal 32, and the third terminal 33 are all disposed on the susceptor 11.
  • the first terminal 31 has a first contact 311
  • the second terminal 32 has a second contact 321
  • the first contact 311 and the second contact 321 are disposed above and below
  • the third terminal 33 has a first connecting portion 331 and The second connecting portion 332.
  • the elastic body 40 is used to ensure that the switch conducting mechanism 30 is turned on or off.
  • the elastic body 40 is in electrical contact with the third terminal 33.
  • the elastic body 40 can be turned upside down around the first connecting portion 331.
  • the outer end of the elastic body 40 has a movable contact 411.
  • the movable contact 411 is located between the first contact 311 and the second contact 321 .
  • the elastic body 40 has a silent pressing position 412.
  • the position 412 is located between the movable contact 411 and the first connecting portion 331.
  • the elastic body 40 is an integrated spring piece structure including a frame portion 41 and a spring portion 42.
  • the movable contact 411 is disposed on the frame portion 41 and is located at the outer end of the frame portion 41.
  • the frame portion 41 has a latching hole 413, and the latching hole 413 is engaged with the second terminal 33.
  • the connecting portion 332 has a connecting end 421 that maintains a contact electrical connection with the first connecting portion 331.
  • the elastomer 40 can also be a split spring leaf structure (as shown in Figure 4) or a tension spring elastomer structure (as shown in Figure 5).
  • the triggering mechanism 50 includes a bridge piece 51 and a guiding core 52.
  • One end of the bridge piece 51 abuts against the silent pressing position 412 of the elastic body 40.
  • the other end of the bridge piece 51 is disposed on the main body 10, and the guiding core 52 is disposed.
  • the upper end of the guiding core 52 is exposed to the outside of the upper cover 20, and the guiding core 52 abuts against the bridge piece 51.
  • the movable contact 411 on the elastic body 40 is not in contact with the second contact 321 on the second terminal 32, and the switch is in the off state at this time; when the guide core 52 is pressed The bridge piece 51 is moved downward so that the elastic body 40 is turned down around the first connecting portion 331 so that the movable contact 411 on the elastic body 40 is in contact with the second contact 321 on the second terminal 32 ( As shown in FIG. 7; when the guide core 52 is loosened, the bridge piece 51 is moved upward. The movement causes the elastic body 40 to return to the original state, so that the movable contact 411 on the elastic body 40 is separated from the second contact 321 on the second terminal 32, and the switch is again in the off state.
  • the specific structure of the second preferred embodiment of the present invention is shown.
  • the specific structure of the second preferred embodiment of the present invention is specific to the foregoing first preferred embodiment.
  • the structure is basically the same, the difference is:
  • the trigger mechanism 50 includes a guiding core 52 including a main body portion 521 and an extending portion 522 extending laterally from the main body portion 521.
  • the lower end of the extending portion 522 extends downwardly.
  • the pressing portion 523 abuts against the silent pressing position 412 of the elastic body 40.
  • the specific structure of the third preferred embodiment of the present invention is shown.
  • the specific structure of the third preferred embodiment of the present invention is specific to the foregoing first preferred embodiment.
  • the structure is basically the same, the difference is:
  • the core guiding groove 21 is located directly above the silent pressing position 412 of the elastic body 40.
  • the trigger mechanism 50 includes a guiding core 52, and the guiding core 52 can be disposed up and down in the guiding core groove 21.
  • the upper end of the guiding core 52 is exposed outside the upper cover 20, and the lower end of the guiding core 52 abuts against the silent pressing position 412 of the elastic body 40.
  • the specific structure of the fourth preferred embodiment of the present invention is shown.
  • the specific structure of the fourth preferred embodiment of the present invention is specific to the foregoing first preferred embodiment.
  • the structure is basically the same, the difference is:
  • the switch conducting mechanism 30 includes an infrared tube 35, a support member 36, and a limiting member 37.
  • the infrared tube 35 has a light emitting end 351 and a light receiving end 352.
  • the outer end of the elastic body 40 has a The light shielding member 43 for changing the light propagation direction of the infrared tube 35 so that the infrared tube 35 realizes light conduction or disconnection, and the support member 36 and the limiting member 37 are disposed on the main body 10.
  • the support member 36 has a third connecting portion 361 and a fourth connecting portion 362.
  • the elastic body 40 is connected to the third connecting portion 361 and the fourth connecting portion 362, and the elastic body 40 can be turned upside down around the third connecting portion 361.
  • the silent pressing position 412 on the elastic body 40 is located between the light shielding member 43 and the third connecting portion 361.
  • the light blocking member 43 is disposed on the frame portion 41 and located at the outer end of the frame portion 41.
  • the latching hole 413 is engaged with the fourth connecting portion 362 of the support member 36.
  • the connecting end 421 is abutted. On the third connecting portion 361.
  • the infrared tube 35 is a refractive infrared tube, and the light emitting end 351 and the light receiving end 352 are packaged on the same body 353.
  • the light blocking member 43 is disposed above the body 353 so as to be movable up and down.
  • the light blocking member 43 In use, as shown in FIG. 12 to FIG. 13, in the free state, the light blocking member 43 is located above the infrared tube 35. At this time, the light receiving end 352 cannot receive the infrared light emitted from the light emitting end 351, and the switch is disconnected.
  • the bridge piece 51 When the guide core 52 is pressed, the bridge piece 51 is moved downward, so that the elastic body 40 is turned down around the third connecting portion 361, so that the light blocking member 43 also moves downward to approach the infrared tube 35, at this time, from The infrared ray emitted from the light emitting end 351 is reflected by the light shielding member 43 and is incident on the light receiving end 352.
  • the light receiving end 352 can receive infrared rays to realize light conduction (as shown in FIGS. 14 to 15); when the conductive core is loosened 52, the bridge piece 51 moves upwards, so that the elastic body 40 returns to the original state, so that the light shielding member 43 on the elastic body 40 is also reset upwardly away from the infrared tube 35, so that the light receiving end 352 cannot be received from the light emitting end 351. Infrared, the switch is again off.
  • FIG. 16 to FIG. 19 the specific structure of the fifth preferred embodiment of the present invention is shown.
  • the specific structure of the fifth preferred embodiment of the present invention is specific to the fourth preferred embodiment.
  • the structure is basically the same, the difference is:
  • the infrared tube 35 is a through-beam type infrared tube, and includes a transmitting tube 354 and a receiving tube 355.
  • the light emitting end 351 is disposed on the transmitting tube 354, and the light receiving end 352 is disposed on the receiving tube 355.
  • the light blocking member 43 is disposed between the launch tube 354 and the receiving tube 355 so as to be movable up and down.
  • the light blocking member 43 In use, as shown in FIG. 16 to FIG. 17, in the free state, the light blocking member 43 is located between the transmitting tube 354 and the receiving tube 355. At this time, the light receiving end 352 cannot receive the light from the light due to the blocking of the light blocking member 43.
  • Launching 351 The infrared ray is turned off, and the switch is in the off state; when the guide core 52 is pressed, the bridge piece 51 is moved downward, so that the elastic body 40 is turned down around the third connecting portion 361, and at this time, the light blocking member 43 is no longer opposed to the infrared ray.
  • the occlusion is performed, and the infrared ray emitted from the light emitting end 351 is directly incident on the light receiving end 352, and the light receiving end 352 can receive infrared rays to achieve light conduction (as shown in FIGS. 18 to 19); when the guide core 52 is loosened The bridge piece 51 is moved upward, so that the elastic body 40 returns to the original state, and the light shielding member 43 is again blocked between the transmitting tube 354 and the receiving tube 355, so that the light receiving end 352 cannot receive the infrared ray emitted from the light emitting end 351. The switch is again off.
  • the design of the utility model is that the elastic body has a silent pressing position, and the guiding core directly or indirectly abuts against the silent pressing position, and the elastic body is moved downward by pressing the guiding core. Therefore, the function of the switch conduction is realized, and no sound is emitted during the operation, which avoids the noise problem caused by the traditional hard collision, and is particularly suitable when it is required to be quiet, satisfying the user's use requirement, and bringing the user a very high Great convenience, simple operation, compact structure, convenient and practical.

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  • Tumbler Switches (AREA)

Abstract

一种静音开关，包括主体（10）、上盖（20）、触发机构（50）、开关导通机构（30）以及实现开关导通机构导通或者断开的弹性体（40），该上盖安装于主体上并与主体围构形成容置空间（101），该开关导通机构、弹性体以及触发机构均设置于容置空间中，该弹性体具有一无声抵压位置（412）；该触发机构包括有导芯（52），该导芯直接或间接抵于无声抵压位置上，该导芯可上下活动地设置于导芯槽（21）中且该导芯的上端露出上盖外；通过按压导芯，使得弹性体向下活动，从而实现开关导通的功能，且操作过程中不会发出声音，避免了传统上硬性碰撞从而产生的噪音问题，在需要安静的场合下尤为适用，满足用户的使用需求，给用户带来了很大的便利性，且操作简单，结构紧凑，方便实用。

Description

静音开关 技术领域
本实用新型涉及开关领域技术，尤其是指一种静音开关。
背景技术
微动开关是一种施压促动的快速转换开关，因为其开关的触点间距比较小，故名微动开关，又叫灵敏开关。微动开关的应用广泛，如电脑鼠标、汽车鼠标器、汽车电子产品、通讯设备、军工产品，测试仪器、燃气热水器、煤气灶、小家电、微波炉、电饭锅、浮球设备配套、医疗器械、楼宇自动化、电动工具及一般电气和无线电设备、24小时定时器等。
微动开关按有声和无声分类分为有声开关和无声开关，有声开关由于其在使用的过程中会发出声音，虽然能让用户获得良好的手感，然而其发出的声音会使得在某种场合下比较嘈杂，对于要保持安静的场合很不适用。
实用新型内容
有鉴于此，本实用新型针对现有技术存在之缺失，其主要目的是提供一种静音开关，其在使用的过程中不会产生噪音，且结构简单，方便实用。
为实现上述目的，本实用新型采用如下之技术方案：
一种静音开关，包括有主体、上盖、触发机构、开关导通机构以及实现开关导通机构导通或者断开的弹性体，该上盖安装于主体上并与主体围构形成容置空间，该开关导通机构、弹性体以及触发机构均设置于容置空间中，该弹性体具有一无声抵压位置；该触发机构包括有导芯，该导芯直接或间接抵于无声抵压位置上，该上盖具有一导芯槽，该导芯可上下活动地设置于导芯槽中且该导芯的上端露出上盖外。
作为一种优选方案，所述开关导通机构包括有第一端子、第二端子以及第三端子，该第一端子、第二端子以及第三端子均设置于主体上，该第一端子具有第一触点，该第二端子具有第二触点，第一触点和第二触点上下设置，该弹性体与第三端子保持接触电连接，该第三端子具有第一连接部和第二连接部，该弹性体可绕第一连接部上下翻转，该弹性体的外端具有一动触点，该动触点位于前述第一触点和第二触点之间，该无声抵压位置位于动触点与第一连接部之间，该导芯抵于弹性体的无声抵压位置上。
作为一种优选方案，所述触发机构包括有桥片以及前述导芯，该桥片的一端抵在弹性体的无声抵压位置上，该桥片的另一端设置于主体上，该导芯抵于桥片上。
作为一种优选方案，所述导芯包括有主体部以及自主体部横向延伸出的延伸部，该延伸部的下端向下延伸出一抵压部，该抵压部抵于弹性体的无声抵压位置上。
作为一种优选方案，所述导芯槽位于弹性体的无声抵压位置的正上方，该导芯位于导芯槽中且该导芯抵于无声抵压位置上。
作为一种优选方案，所述开关导通机构包括有红外管、支撑件以及限位件，该红外管具有光发射端和光接收端，该弹性体的外端具有一用于改变红外管之光线传播方向以使得红外管实现光导通或断开的遮光件，支撑件以及限位件均设于主体上，该支撑件上具有第三连接部以及第四连接部，该弹性体与第三连接部以及第四连接部连接且该弹性体可绕第三连接部上下翻转，该无声抵压位置位于遮光件与第三连接部之间，该触发机构包括有桥片以及前述导芯，该桥片的一端抵在弹性体的无声抵压位置上，该桥片的另一端设置于主体上，该导芯抵于桥片上。
作为一种优选方案，所述红外管为折射型红外管，光发射端和光接收端封装在同一本体上，该遮光件可上下活动地设置于本体上方。
作为一种优选方案，所述红外管为对射型红外管，其包括有发射管和接收管，前述光发射端设置于发射管上，前述光接收端设置于接收管上，该遮光件可上下活动地设置于发射管和接收管之间。
作为一种优选方案，所述弹性体为一体式弹簧片结构，其包括有框体部以及弹片部， 前述动触点设于框体部上并位于框体部的外端，该框体部上具有一卡接孔，该卡接孔卡接于第三端子上的第二连接部，该弹片部具有一连接端，该连接端抵于第一连接部上保持接触电连接。
作为一种优选方案，所述弹性体为一体式弹簧片结构，其包括有框体部以及弹片部，前述遮光件设于框体部上并位于框体部的外端，该框体部上具有一卡接孔，该卡接孔卡接于支撑件上的第四连接部，该弹片部具有一连接端，该连接端抵于第三连接部上。
本实用新型与现有技术相比具有明显的优点和有益效果，具体而言，由上述技术方案可知，
该弹性体具有一无声抵压位置，并配合导芯直接或间接抵于无声抵压位置上，通过按压导芯，使得弹性体向下活动，从而实现开关导通的功能，且操作过程中不会发出声音，避免了传统上硬性碰撞从而产生的噪音问题，在需要安静的场合下尤为适用，满足用户的使用需求，给用户带来了很大的便利性，且操作简单，结构紧凑，方便实用。
为更清楚地阐述本实用新型的结构特征和功效，下面结合附图与具体实施例来对本实用新型进行详细说明。
附图说明
图1是本实用新型之第一较佳实施例的立体结构示意图；
图2是本实用新型之第一较佳实施例的分解示意图；
图3是本实用新型之第一较佳实施例的局部组装示意图；
图4是本实用新型之第一较佳实施例之弹性体为分体式弹簧片的结构示意图；
图5是本实用新型之第一较佳实施例之弹性体为拉簧式弹性体的结构示意图；
图6是本实用新型之第一较佳实施例处于自由状态下的截面示意图；
图7是本实用新型之第一较佳实施例处于触发状态下的截面示意图；
图8是本实用新型之第二较佳实施例处于自由状态下的截面示意图；
图9是本实用新型之第二较佳实施例处于触发状态下的截面示意图；
图10是本实用新型之第三较佳实施例处于自由状态下的截面示意图；
图11是本实用新型之第三较佳实施例处于触发状态下的截面示意图；
图12是本实用新型之第四较佳实施例处于自由状态下的截面示意图；
图13是图12的局部结构示意图；
图14是本实用新型之第四较佳实施例处于触发状态下的截面示意图；
图15是图14的局部结构示意图；
图16是本实用新型之第五较佳实施例处于自由状态下的截面示意图；
图17是图16的局部结构示意图；
图18是本实用新型之第五较佳实施例处于触发状态下的截面示意图；
图19是图18的局部结构示意图。
附图标识说明。
10、主体 101、容置空间
11、基座 12、外壳
20、上盖 21、导芯槽
30、开关导通机构 31、第一端子
311、第一触点 32、第二端子
321、第二触点 33、第三端子
331、第一连接部 332、第二连接部
35、红外管 351、光发射端
352、光接收端 353、本体
354、发射管 355、接收管
36、支撑件 361、第三连接部
362、第四连接部 37、限位件
40、弹性机构 41、框体部
411、动触点 412、无声抵压位置
413、卡接孔 42、弹片部
421、连接端 43、遮光件
50、触发机构 51、桥片
52、导芯 521、主体部
522、延伸部 523、抵压部。
具体实施方式
请参照图1至图7所示，其显示出了本实用新型之第一较佳实施例的具体结构，包括有主体10、上盖20、开关导通机构30、弹性体40以及触发机构50。
其中，该主体10包括有基座11以及设置于基座11上的外壳12，该上盖20安装于主体10上并与主体10围构形成容置空间101，该开关导通机构30、弹性体40以及触发机构50均设置于容置空间101中，该上盖20具有一导芯槽21。
在本实施例中，该开关导通机构30包括有第一端子31、第二端子32以及第三端子33，该第一端子31、第二端子32以及第三端子33均设置于主体10上，具体而言，该第一端子31、第二端子32以及第三端子33均设置于前述基座11上。该第一端子31具有第一触点311，该第二端子32具有第二触点321，第一触点311和第二触点321上下设置，该第三端子33具有第一连接部331和第二连接部332。
该弹性体40用于实现开关导通机构30导通或者断开，该弹性体40与第三端子33保持接触电连接，具体而言，该弹性体40可绕第一连接部331上下翻转，该弹性体40的外端具有一动触点411，该动触点411位于前述第一触点311和第二触点321之间，该弹性体40具有一无声抵压位置412，该无声抵压位置412位于动触点411与第一连接部331之间。在本实施例中，该弹性体40为一体式弹簧片结构，其包括有框体部41以及弹片部42，前述
动触点411设于框体部41上并位于框体部41的外端，该框体部41上具有一卡接孔413，该卡接孔413卡接于第三端子33上的第二连接部332，该弹片部42具有一连接端421，该连接端421抵于第一连接部331上保持接触电连接。当然，该弹性体40也可以为分体式弹簧片结构(如图4所示)或者拉簧式弹性体结构(如图5所示)。
该触发机构50包括有桥片51以及导芯52，该桥片51的一端抵在弹性体40的无声抵压位置412上，该桥片51的另一端设置于主体10上，该导芯52可上下活动地设置于导芯槽21中且该导芯52的上端露出上盖20外，该导芯52抵于桥片51上。
使用时，如图6所示，自由状态下，弹性体40上的动触点411与第二端子32上的第二触点321不接触，此时开关处于断开状态；按压导芯52时，桥片51向下活动，从而使得弹性体40绕第一连接部331向下翻转，从而使得弹性体40上的动触点411与第二端子32上的第二触点321接触导通(如图7所示)；当松开导芯52时，桥片51向上活 动，从而使得弹性体40恢复至原先状态，从而使得弹性体40上的动触点411与第二端子32上的第二触点321分离，开关再次处于断开状态。
请参照图8至图9所示，其显示了本实用新型之第二较佳实施例的具体结构，本实用新型之第二较佳实施例的具体结构与前述第一较佳实施例的具体结构基本相同，其所不同的是：
在本实施例中，该触发机构50包括有导芯52，该导芯52包括有主体部521以及自主体部521横向延伸出的延伸部522，该延伸部522的下端向下延伸出一抵压部523，该抵压部523抵于弹性体40的无声抵压位置412上。
请参照图10至图11所示，其显示了本实用新型之第三较佳实施例的具体结构，本实用新型之第三较佳实施例的具体结构与前述第一较佳实施例的具体结构基本相同，其所不同的是：
在本实施例中，该导芯槽21位于弹性体40的无声抵压位置412的正上方，该触发机构50包括有导芯52，该导芯52可上下活动地设置于导芯槽21中且该导芯52的上端露出上盖20外，该导芯52的下端抵于弹性体40的无声抵压位置412上。
请参照图12至图15所示，其显示了本实用新型之第四较佳实施例的具体结构，本实用新型之第四较佳实施例的具体结构与前述第一较佳实施例的具体结构基本相同，其所不同的是：
在本实施例中，该开关导通机构30包括有红外管35、支撑件36以及限位件37，该红外管35具有光发射端351和光接收端352，该弹性体40的外端具有一用于改变红外管35之光线传播方向以使得红外管35实现光导通或断开的遮光件43，该支撑件36以及限位件37均设置于主体10上。
该支撑件36上具有第三连接部361以及第四连接部362，该弹性体40与第三连接部361以及第四连接部362均连接且该弹性体40可绕第三连接部361上下翻转，该弹性体40上的无声抵压位置412位于遮光件43与第三连接部361之间。具体而言，该遮光件43设于前述框体部41上并位于框体部41的外端，该卡接孔413卡接于支撑件36上的第四连接部362，该连接端421抵于第三连接部361上。该红外管35为折射型红外管，光发射端351和光接收端352封装在同一本体353上，该遮光件43可上下活动地设置于本体353上方。
使用时，如图12至图13所示，自由状态下，该遮光件43位于红外管35的上方，此时，光接收端352无法接收到从光发射端351发出的红外线，开关处于断开状态；当按压导芯52时，使得桥片51向下活动，从而使得弹性体40绕第三连接部361向下翻转，使得遮光件43亦向下活动而靠近红外管35，此时，从光发射端351发出的红外线经过遮光件43反射后射向光接收端352，光接收端352可以接收到红外线，从而实现光导通(如图14至图15所示)；当松开导芯52，桥片51向上活动，从而使得弹性体40恢复至原先状态，从而使得弹性体40上的遮光件43也向上复位远离红外管35，使得光接收端352无法接收到从光发射端351发出的红外线，开关再次处于断开状态。
请参照图16至图19所示，其显示了本实用新型之第五较佳实施例的具体结构，本实用新型之第五较佳实施例的具体结构与前述第四较佳实施例的具体结构基本相同，其所不同的是：
在本实施例中，该红外管35为对射型红外管，其包括有发射管354和接收管355，前述光发射端351设置于发射管354上，前述光接收端352设置于接收管355上，该遮光件43可上下活动地设置于发射管354和接收管355之间。
使用时，如图16至图17所示，自由状态下，该遮光件43位于发射管354和接收管355之间，此时，由于遮光件43的遮挡，光接收端352无法接收到从光发射端351发 出的红外线，开关处于断开状态；当按压导芯52时，使得桥片51向下活动，从而使得弹性体40绕第三连接部361向下翻转，此时，遮光件43不再对红外线进行遮挡，从光发射端351发出的红外线直接射向光接收端352，光接收端352可以接收到红外线，从而实现光导通(如图18至图19所示)；当松开导芯52，桥片51向上活动，从而使得弹性体40恢复至原先状态，遮光件43再次挡于发射管354和接收管355之间，使得光接收端352无法接收到从光发射端351发出的红外线，开关再次处于断开状态。
综上所述，本实用新型的设计重点在于，该弹性体具有一无声抵压位置，并配合导芯直接或间接抵于无声抵压位置上，通过按压导芯，使得弹性体向下活动，从而实现开关导通的功能，且操作过程中不会发出声音，避免了传统上硬性碰撞从而产生的噪音问题，在需要安静的场合下尤为适用，满足用户的使用需求，给用户带来了很大的便利性，且操作简单，结构紧凑，方便实用。
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，故凡是依据本实用新型的技术实质对以上实施例所作的任何细微修改、等同变化与修饰，均仍属于本实用新型技术方案的范围内。

Claims (10)

  1. 一种静音开关，其特征在于：包括有主体、上盖、触发机构、开关导通机构以及实现开关导通机构导通或者断开的弹性体，该上盖安装于主体上并与主体围构形成容置空间，该开关导通机构、弹性体以及触发机构均设置于容置空间中，该弹性体具有一无声抵压位置；该触发机构包括有导芯，该导芯直接或间接抵于无声抵压位置上，该上盖具有一导芯槽，该导芯可上下活动地设置于导芯槽中且该导芯的上端露出上盖外。
  2. 根据权利要求1所述的静音开关，其特征在于：所述开关导通机构包括有第一端子、第二端子以及第三端子，该第一端子、第二端子以及第三端子均设置于主体上，该第一端子具有第一触点，该第二端子具有第二触点，第一触点和第二触点上下设置，该弹性体与第三端子保持接触电连接，该第三端子具有第一连接部和第二连接部，该弹性体可绕第一连接部上下翻转，该弹性体的外端具有一动触点，该动触点位于前述第一触点和第二触点之间，该无声抵压位置位于动触点与第一连接部之间，该导芯抵于弹性体的无声抵压位置上。
  3. 根据权利要求2所述的静音开关，其特征在于：所述触发机构包括有桥片以及前述导芯，该桥片的一端抵在弹性体的无声抵压位置上，该桥片的另一端设置于主体上，该导芯抵于桥片上。
  4. 根据权利要求2所述的静音开关，其特征在于：所述导芯包括有主体部以及自主体部横向延伸出的延伸部，该延伸部的下端向下延伸出一抵压部，该抵压部抵于弹性体的无声抵压位置上。
  5. 根据权利要求2所述的静音开关，其特征在于：所述导芯槽位于弹性体的无声抵压位置的正上方，该导芯位于导芯槽中且该导芯抵于无声抵压位置上。
  6. 根据权利要求1所述的静音开关，其特征在于：所述开关导通机构包括有红外管、支撑件以及限位件，该红外管具有光发射端和光接收端，该弹性体的外端具有一用于改变红外管之光线传播方向以使得红外管实现光导通或断开的遮光件，支撑件以及限位件均设于主体上，该支撑件上具有第三连接部以及第四连接部，该弹性体与第三连接部以及第四连接部连接且该弹性体可绕第三连接部上下翻转，该无声抵压位置位于遮光件与第三连接部之间，该触发机构包括有桥片以及前述导芯，该桥片的一端抵在弹性体的无声抵压位置上，该桥片的另一端设置于主体上，该导芯抵于桥片上。
  7. 根据权利要求6所述的静音开关，其特征在于：所述红外管为折射型红外管，光发射端和光接收端封装在同一本体上，该遮光件可上下活动地设置于本体上方。
  8. 根据权利要求6所述的静音开关，其特征在于：所述红外管为对射型红外管，其包括有发射管和接收管，前述光发射端设置于发射管上，前述光接收端设置于接收管上，该遮光件可上下活动地设置于发射管和接收管之间。
  9. 根据权利要求2所述的静音开关，其特征在于：所述弹性体为一体式弹簧片结构，其包括有框体部以及弹片部，前述动触点设于框体部上并位于框体部的外端，该框体部上具有一卡接孔，该卡接孔卡接于第三端子上的第二连接部，该弹片部具有一连接端，该连接端抵于第一连接部上保持接触电连接。
  10. 根据权利要求6所述的静音开关，其特征在于：所述弹性体为一体式弹簧片结构，其包括有框体部以及弹片部，前述遮光件设于框体部上并位于框体部的外端，该框体部上具有一卡接孔，该卡接孔卡接于支撑件上的第四连接部，该弹片部具有一连接端，该连接端抵于第三连接部上。
PCT/CN2016/070700 2015-01-15 2016-01-12 静音开关 WO2016112842A1 (zh)

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CN104616921B (zh) * 2015-01-15 2017-11-07 东莞市凯华电子有限公司 静音开关
CN204332772U (zh) * 2015-01-15 2015-05-13 东莞市凯华电子有限公司 静音开关
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