CN100481294C - Press key structure - Google Patents

Press key structure Download PDF

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Publication number
CN100481294C
CN100481294C CN 200510087858 CN200510087858A CN100481294C CN 100481294 C CN100481294 C CN 100481294C CN 200510087858 CN200510087858 CN 200510087858 CN 200510087858 A CN200510087858 A CN 200510087858A CN 100481294 C CN100481294 C CN 100481294C
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end
portion
link
plate
guide groove
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CN 200510087858
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Chinese (zh)
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CN1909130A (en )
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许建士
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达方电子股份有限公司
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Abstract

本发明公开了一种按键结构,包括一键帽、一底座模块、一第一连杆、一第二连杆以及一弹性元件。 The present invention discloses a key structure includes a keycap, a base module, a first link, a second link and an elastic member. 前述底板模块包括一底板以及一活动板。 The backplane module includes a base plate and a movable plate. 上述底板具有一第一导槽部以及一第二导槽部。 Said base portion having a first guide groove and a second guide groove portion. 上述活动板具有一第一限位部以及一第二限位部,并可相对于底板运动。 A movable plate having the above-described first limiting portion and a second limiting portion, and movement relative to the floor. 前述第一连杆活动地连接键帽与第一导槽部,第二连杆活动地连接键帽与第二导槽部。 The first link movably connected with the first keycap guide groove portion, the second link movably connecting the keycap with the second guide groove portion. 前述弹性元件连接底板以及第一连杆,并给第一连杆作用一侧向弹力,当按键结构处于一操作状态时,第一限位部抵接第二连杆;当活动板切换至一收纳状态时,第二限位部推动第二连杆朝按键结构外侧移动,并迫使键帽朝底板方向下降。 And a resilient member connected to the first link plate, and to effect a lateral force of the first link, when the key structure is in an operating state, the first stopper portion abutting the second link; when switching to a movable plate when the storage state, the second stopper portion towards the push button outward movement of the second link structure, and fall toward the bottom plate to force the keycap direction.

Description

按键结构 The key structure

技术领域 FIELD

本发明涉及一种按键结构,特别是涉及一种可使按键或键盘以较省力的方式下降,同时可节省空间并可方便收纳的按键结构。 The present invention relates to a key structure, particularly to a keypad or keys to make more effort way down button while saving the installation space and can be easily accommodated.

背景技术 Background technique

请参阅图1A、图1B,该二图表示一现有按键机构的示意图。 Refer to FIGS. 1A, 1B, a schematic diagram of a conventional key mechanism view showing the two. 如图1A 所示, 一现有按键机构主要包括一底板B、 一第一连杆L1、 一第二连杆L2、 一弹性元件E以及一键帽C,其中第一连杆L1具有一第一端Lll以及一第二端L12,第二连杆L2具有一第三端L23以及一第四端L24。 1A, a conventional key mechanism B includes a base, a first link L1, a second link L2, an elastic member and a keycap E C, where the first link L1 having a first Lll end and a second end of L12, a second link L2 having a third end and a fourth end L23 L24.

前述第一、第二连杆L1、 L2通过枢轴H相互枢接,其中第二端L12 活动地枢4妻下方底板B,第三端L23活动地枢接上方4建帽C;此外,第一端Lll以及第四端L24则分别枢接上方键帽C以及下方底板B。 The first and second link L1, L2 pivotally connected by a pivot H, wherein the second end is movably L12 wife bottom plate pivot 4 B, the third end pivoted upward L23 activities built cap 4 C; in addition, a first Lll end and a fourth end are respectively pivoted upward L24 key top and the bottom plate B. C 接着请一并参阅图1A及图1B,前迷弹性元件E抵接于键帽C及底板B之间,当键帽C未被按压时位处于一第一高度hl,而当键帽C受一外力按压而下降至一第二高度h2时,弹性元件E受到压缩而变形(如图1B所示);当前述外力释放时,弹性元件E可通过本身的弹性迫使键帽C回复至如图1A所示的第一高度hl位置。 Referring next to FIG. 1A and 1B, the front fan resilient member abuts against E C between the keycap and the base plate B, when C is not pressed when the keycap is located in a first height hl, and when receiving the keycap C when a pressing force is lowered to a second height h2, the resilient member is compressed and deformed E (FIG. 1B); the aforementioned external force is released, the elastic member E by the elastic force of itself to return the keycap C in FIG. the first height hl position shown in FIG. 1A.

由于在传统的按键机构中,弹性元件E主要受到垂直底板方向的压缩而变形,因此在按压键帽C时往往较为费力。 Since the conventional key mechanism, the resilient member compressed mainly by the E direction perpendicular to the base plate is deformed, and therefore tend to be more effort when pressing the key cap C. 有鉴于上述缺点,如何能提供一较为省力同时可节省空间的按键结构开始成为一重要的课题。 In view of the above drawbacks, how to provide a more effort-saving key while the space became an important issue.

发明内容 SUMMARY

本发明提供一种按键结构,可应用于笔记型计算机上的键盘,其主要包括一键帽、 一底座模块、 一第一连杆、 一第二连杆以及一弹性元件。 The present invention provides a key structure can be applied to a notebook keyboard, which includes a keycap, a base module, a first link, a second link and an elastic member. 前述底板模块包括一底板以及一活动板。 The backplane module includes a base plate and a movable plate. 上述底板具有一第一导槽部以及一第二导槽部。 Said base portion having a first guide groove and a second guide groove portion. 上述活动板具有一第一限位部以及一第二限位部,并可相对于底板运动。 A movable plate having the above-described first limiting portion and a second limiting portion, and movement relative to the floor. 前述第一连杆具有一第一端以及一第二端,其中第一端活动地连接键帽,第二端与第一导槽部枢接,并可于第一导槽部内滑动。 Said first link having a first end and a second end wherein the first end movably connected to the key top, and a second end pivotally connected to the first guide groove portion, and the first slide guide groove portion. 前述第二连杆与第一连杆以可连动的方式枢接,其中第二连杆具有一第三端以及一第四端,第三端活动地连接键帽,第四端枢接第二导槽,并可于第二导槽部内滑动。 The second link and the first link in a manner interlocked pivot, wherein the second link having a third end and a fourth end, the third end of the movable key cap coupled, pivoting end of a fourth two guide slots, and sliding in the second guide groove portion. 前述弹性元件连接底板以及第一连杆,并作用一侧向弹力予第一连杆,当按键结构处于一操作状态时,活动板位于一第一位置,此 And a resilient member connected to the first link plate, and a side effect of an elastic force to the first link, when the key structure is in an operating state, the movable plate is located at a first position, this

时第一限位部抵接第四端,使得键帽可相对于底板做上下运动;当活动板 When the first stopper section abutting the fourth terminal, such that the key cap and down movement relative to the floor; when the movable plate

由第一位置移动至第二位置时,第二限位部推动第四端朝按键结构外侧移动,并迫使键帽朝底板方向下降,用以使得按键结构由操作状态切换至一收纳状态。 Is moved from the first position to the second position, the second end of the outer stopper portion moves toward the fourth push button structure, and fall toward the bottom plate to force the keycap direction, so that the key structure to switch from one operating state to the accommodated state.

在一较佳实施例中,前述弹性元件为一拉伸弹簧。 In a preferred embodiment, the elastic member is a tension spring.

在一较佳实施例中,前述第一连杆具有一枢接部,邻近第二端,且弹性元件具有一固定端以及一活动端,前述固定端连接底板,活动端以可转动的方式连接枢接部。 In a preferred embodiment, the first link having a pivot portion, adjacent the second end, and the elastic member having a fixed end and a movable end, the fixed end connected to the base plate, the movable end rotatably connected pivoting portion.

在一较佳实施例中,前述固定端呈勾状,且底板具有一突出部,前述固定端勾住突出部用以和底板连接。 In a preferred embodiment, the fixed end of the hook-like shape, and a bottom plate having a protruding portion, the protruding portion for hooking a fixed end and a backplane connector.

在一较佳实施例中,当前述键帽受一外力作用而朝底板移动时,第二端于第一导槽部内朝一第一方向滑动,此时弹性元件绕枢接部转动而改变前述侧向弹力的方向。 In a preferred embodiment, the aforementioned keycap is moved by an external force toward the base plate, the slide towards a first direction in a first guide groove portion to a second end, at this time the resilient member is rotated about the pivot portion of the side is changed the direction of elastic force.

在一较佳实施例中,前述底板更具有一开孔,且弹性元件的至少一部分容置于前述开孔内。 In a preferred embodiment, the plate further having an opening, and at least a portion of the resilient member receiving aperture disposed within the aforementioned.

在一较佳实施例中,前述按键结构更包括一电路板,设置于键帽与底板之间,上述电路板具有一开口,对应于前述开孔,弹性元件穿过开口而容置于前述开孔内。 In a preferred embodiment, the key structure further comprises a circuit board, disposed between the keycap and the base plate, said circuit board having an opening corresponding to the opening, the resilient member received in the opening through the opening hole.

在一较佳实施例中,前述侧向弹力具有一平行于底板的水平分力及一垂直于底板的垂直分力,其中水平分力大于垂直分力。 In a preferred embodiment, the lateral spring force having a horizontal component parallel to the bottom plate and a bottom plate perpendicular to the vertical component, the horizontal component which is larger than the vertical component.

在一较佳实施例中,前述第一限位部包括一第一凸块,第二限位部包括一第二凸块,其中第四端位于第一凸块及一第二凸块之间。 In this embodiment, between the first limiting portion comprises a first bump, the second limiting portion comprises a second bump, wherein the fourth end located on a first bump and a second bump preferred embodiment .

本发明更提供一种按键结构,包括一键帽、 一底板模块、 一第一连杆、 一第二连杆以及一拉伸弹性元件。 The present invention further provides a key structure includes a keycap, a base module, a first link, a second link, and a stretched elastic member. 上述底板模块具有一第一导槽部、 一第二导槽部以及一第一限位部。 A floor module having the above-described first guide groove portion, a second guide groove portion and a first limiting portion. 上述第一连杆具有一第一端以及一第二端,其中第一端活动地连接键帽,第二端与第一导槽部枢接,并可于第一导槽部内滑动。 Said first link having a first end and a second end wherein the first end movably connected to the key top, and a second end pivotally connected to the first guide groove portion, and the first slide guide groove portion. 上述第二连杆与第一连杆以可连动的方式枢接,并具有一第三端以及一第四端,其中第三端活动地连接键帽,第四端与第二导槽部枢接, 并可于第二导槽部内滑动。 The second link and the first link in a manner interlocked pivot and having a third end and a fourth end, wherein the third connecting end of the movable key top, and a fourth end portion of the second guide groove pivoting, and sliding in the second guide groove portion. 前述拉伸弹性元件连接底板及第一连杆,并作用一侧向弹力予第一连杆。 Stretching the elastic member and connected to the first link plate, and a side effect to an elastic force to the first link. 当键帽受一外力作用时,第四端抵接第一限位部,且第二端于第一导槽部内朝一第一方向滑动,用以使键帽靠近底板; 当外力释放时,前述侧向弹力驱使第二端朝一第二方向滑动,用以使键帽远离底板,其中第二方向相反于第一方向。 Receiving an external force when the keycap, a fourth terminal contact portion abutting a first stop, and a second end in a first direction toward the first slide guide groove portion adjacent the floor for keycap; when the external force is released, the lateral force of driven towards a second end of a second sliding direction, away from the base plate to keycap, wherein a second direction opposite to the first direction.

在一较佳实施例中,前述底板模块包括一第一底板及一第二底板,第二底板固定于第一底板,其中第一、第二导槽部设置于第一底板,且第一限位部设置于第二底板。 In a preferred embodiment, the bottom floor module includes a first and a second plate, a second plate fixed to the first plate, wherein the first, second guide groove provided in the first base plate portions, and the first limit bit portion provided in the second base plate.

在一较佳实施例中,前述弹性元件为一拉伸弹簧。 In a preferred embodiment, the elastic member is a tension spring.

在一较佳实施例中,前迷第一连杆具有一枢接部,邻近第二端,且前述弹性元件具有一固定端以及一活动端,固定端连接底板模块,活动端以可转动的方式连接枢接部。 In a preferred embodiment, the front fan having a first link pivot portion, adjacent the second end, and the elastic member having a fixed end and a movable end, the fixed end connected to the floor module, movable end is rotatably connected pivoting portion.

在一较佳实施例中,前述底板模块更具有一开孔,前述弹性元件的至少一部分容置于开孔内。 In a preferred embodiment, the module further having a bottom opening, at least a portion of the elastic member received in the aperture.

在一较佳实施例中,前述按键结构更包括一电路板,设置于键帽与底板模块之间,上述电路板具有一开口,对应于前述开孔,弹性元件穿过上迷开口而容置于开孔内。 In a preferred embodiment, the key structure further comprises a circuit board, disposed between the keycap and the base module, the circuit board has an opening corresponding to the opening, the resilient member through the above-receiving opening in the opening.

在一较佳实施例中,前述侧向弹力具有一平行于底板模块的水平分力以及一垂直于底板模块的垂直分力,其中前述水平分力大于垂直分力。 In a preferred embodiment, the lateral spring force having a horizontal component parallel to the floor module and the vertical force component perpendicular to the floor module, wherein the horizontal force greater than the vertical component.

在一较佳实施例中,前述枢接部与第一端的距离大于第二端与第一端的距离。 In a preferred embodiment, the pivot portion and the distance from the first end and the second end is greater than the first end. - -

附图说明 BRIEF DESCRIPTION

图1A、图1B为现有按键结构的示意图; 图2为本发明中第一实施例的分解图; 1A, FIG. 1B is a schematic view of the conventional key structure; FIG. 2 is an exploded view of a first invention embodiment;

图3A、图3B为实用新型按键结构处于操作状态时的示意图; 图4A、图4B为本实用新型按键结构处于收纳状态时的示意图; 图5为本发明中第二实施例的分解图;以及图6A、图6B为图5的按键结构处于操作状态时的示意图。 3A, FIG. 3B is a schematic invention when the key structure is in the operating state; Fig. 4A, 4B present a schematic view of the structure of the new key in the stored state utility; FIG. 5 is an exploded view of a second invention embodiment; and 6A, FIG. 6B is a schematic view of an operation state of FIG. 5 is a key structure. 具体实施方式 detailed description

首先请参阅固2,该图表示本发明中第一实施例的分解图。 Referring first solid 2, which shows an exploded view of a first embodiment of the present invention. 在本实施例中的按键结构主要包括一底板B、 一电路板P、 一活动板S、 一弹性元件R、 一第一连杆L1、 一第二连杆L2以及一键帽C,上迷电路板P设置于活动板S以及底板B之间。 In the key structure of the present embodiment mainly includes a base B, a circuit board P, a movable plate S, an elastic member R, a first link L1, a second link L2 and a keycap C, the fans the circuit board P is provided between the moving plate and a bottom plate S B. 特别地是,前迷活动板S与底板B构成一底座模块, 其中活动板S可相对于底板B运动,并具有一第一限位部Sl以及一第二限位部S2;如图图2所示,上述第一限位部Sl具有一第一凸块Sl',且第二限位部S2具有一第二凸块S2',当活动板S相对于底板B运动时,可迫使键帽C朝底板B方向下降而由一操作状态切换至一收纳状态。 In particular, the front fan and the backplane B S movable plate constituting a base module, wherein the movable plate S may be moving relative to the floor B, and having a first limiting portion and a second limiting portion Sl S2; FIG. 2 in FIG. as shown in the first stopper portion having a first bump Sl Sl ', S2 and the second limiting portion having a second bump S2', when the movable plate S moving relative to the floor B, may be forced keycap C B falls towards the bottom plate is switched from one operating state to a storage state.

接着请一并参阅图2以及图3A,前述第一、第二连杆L1、 L2通过一枢轴H相互枢接而形成一剪刀状结构,其中第一连杆L1具有一第一端Lll 以及一第二端L12,第二连杆L2具有一第三端L23以及一第四端L24。 Referring next to FIG. 2 and FIGS. 3A, the first and second link L1, L2 form a scissor-like structure by a pivot pivotally connected to each other H, wherein the first link L1 having a first end and Lll a second end of L12, a second link L2 having a third end and a fourth end L23 L24. 如图3A所示,前述第一连杆L1的第一端Lll活动地枢接键帽C,第二端L12 则与底板B上的一第一导槽部B1枢接,并可在第一导槽部B1内滑动。 3A, the first end of the first link L1 is movably pivoted Lll C keycap, a second end pivotally L12 is a first guide groove B portion B1 on the bottom plate into contact and the first B1 slide within the guide groove portion. 此外,前述第二连杆L2的第三端L23活动地枢接键帽C,第四端L24则与底板B上的一第二导槽部B2枢接,并可在第二导槽部B2内滑动。 In addition, the third end of the second link L2, L23 movably pivoted keycap C, a fourth terminal L24 is a second guide groove and the pivot portion B2 on the bottom plate B into contact and the second guide groove portion B2 sliding.

在本实施例中的弹性元件R例如为一4i伸弹簧,具有一固定端Rl以及一活动端R2,上述固定端R1呈勾状,用以勾住底板B上的一突出部B3 进而与底板B相连接,此外活动端R2则以可转动的方式连接第一连杆L1 上的一枢接部L13,其中枢接部L13邻近第二端L12,且枢接部L13与第一端Lll的距离大于第二端L12与第一端Lll的距离。 R elastic member in the present embodiment is an example 4i extending spring having a fixed end and a movable end Rl R2, R1 was the fixing end a hook shape for hooking on a projecting portion B3 and the base plate and thus bottom plate B B is connected, in addition R2 places movable end rotatably connected to a pivot portion on the first link Ll L13, L13 its central portion adjacent to the second end of L12, L13 and pivoted to the first end portion of Lll the second end is greater than the distance L12 and Lll distance from the first end. 由于此时弹性元件R 受到一些的拉伸(preloading),故可提供一侧向弹力予第一连杆L1 ,用以将第二端L12限制于第一导槽部B1的底侧(如图3A所示)。 At this time, since the elastic member is stretched by some R (preloading), it can provide a predetermined elastic force to the side of the first link L1, L12 to be limited to the second end portion of the groove bottom side of the first guide B1 (FIG. FIG 3A).

在图3A中,前迷底板B上的第一、第二导槽部B1、 B2以及突出部B3依序穿过电路板P以及活动板S上的穿孔S',进而分别与第一、第二连杆L1、L2以及弹性元件R相连接。 In FIG. 3A, first, second guide groove portions B1, B2 and B3 on a front portion projecting fan B sequentially through the circuit board plate P and S on the movable perforated plate S ', respectively and further the first, two links L1, L2 and an elastic element R is connected. 特别地是,前迷底板B上设有一开孔B,, 且在电路板P上设有对应的开口P,,组装时弹性元件R的至少一部分穿过开口P,而容置于开孔B,内,用以降低按键结构在Z轴方向的高度。 In particular, with a fan on the front plate opening B B P ,, and is provided with an opening on the circuit board corresponding to at least a portion of the elastic member ,, P R P is assembled through the opening, and B received in openings , the height of the key structure to reduce in Z-axis direction.

接着请一并参阅图3A、图3B,该二图表示按键结构处于操作状态的示意图,此时活动板S位于一第一位置。 Referring next FIGS. 3A, 3B, a schematic view of the key structure in an operating state view showing the two, when the movable plate S is located at a first position. 如图3A所示,当键帽C未受外力按压时,第一连杆L1的第二端L12由于受到弹性元件R的侧向弹力作用而抵接于第一导槽部Bl底侧,其中前述侧向弹力具有一平行于底板B的水平分力(X轴方向)及一垂直于底板B的垂直分力(Y轴方向),上述水平分力大于垂直分力。 3A, when the pressing force unprotected C keycap, a second end of the first link L1 L12 due to the elastic force of the elastic member laterally R is caused to contact the first guide groove portion Bl bottom side, wherein having a lateral force of the horizontal component parallel to the base plate B (X-axis direction) perpendicular to the vertical force component and a bottom plate B (Y-axis direction), the horizontal component force greater than the vertical component. 此时,第二连杆L2的第四端L24抵靠于第一凸块Sl,与第二导槽部B2底侧之间,用以使得键帽C可维持在一第一高度hl。 In this case, the fourth end of the second link L2, L24 abuts against the first bump Sl is, between the bottom side of the second guide groove portion B2 and for such a key cap C may be maintained at a first height hl.

再请参阅图3B,当键帽C受到一朝下的外力按压时,键帽C因受到外力作用而由第一高度hl朝底板B方向下降至一第二高度h2,此时第二端L12朝一第一方向A1(X轴方向)滑动,且弹性元件R通过活动端R2绕枢接部L13转动而改变其侧向弹力的方向。 Referring again to FIG 3B, when the keycap C a downwardly pressed by an external force, a first height hl keycap C decreased in the direction B to the bottom plate by a second height h2 and by the external force, the second end of this time L12 toward a first direction A1 (X-axis direction) of the slide, and the elastic member R direction by pivoting about the movable end portion R2 L13 rotated to change its lateral elastic force. 由于此时弹性元件R受到进一步地拉伸,故当外力释放时,可通过弹性元件R的侧向弹力作用,使得键帽C 自动回复至原先的第一高度hl。 At this time, since the elastic member is further stretched by R, so that when the external force is released, the elastic force of the elastic member by the R side, so that an automatic return to the original C keycap first height hl.

接着请一并参阅图4A以及图4B,当欲使按键结构由操作状态切换至一收纳状态时,可将活动板S相对于底板B由前述第一位置朝一第二方向A2移动至一第二位置,其中第二方向A2相反于前述第一方向Al。 Referring next to FIG. 4A and FIG 4B, when the key structure purports to switch from the operating state to a storage state, the movable plate relative to the base B S extending from the first position to a second direction towards a second A2 position, wherein the second direction A2 opposite to the first direction Al. 如图4A 所示,当活动板S朝按键结构外侧(第二方向A2)移动时,位在活动板S上的第二凸块S2,与第四端L24抵接,并且第二凸块S2,可进一步地推动第四端L24朝第二方向A2移动,进而迫使键帽C由第一高度hl朝底板B方向下降至一第三高度h3(如图4B所示)。 , When the key structure toward the outer movable plate S (in the second direction A2) is moved, on the movable plate position S S2 of the second bump, and the fourth terminal L24 abuts FIG. 4A, and the second bump S2 , a fourth terminal may further promote L24 moves in the second direction A2, in turn forcing the key cap from a first height hl C B direction towards the base plate down to a third height H3 (FIG. 4B). 特别地是,此时第二端L12持续地抵靠于第一导槽部B1底侧,而弹性元件R并未受到进一步地拉伸。 In particular, the second end of this time L12 is continuously pressed against the first guide groove bottom side portion B1 and the resilient member R has not been further stretched.

由于本实施例中的弹性元件R主要提供一侧向的弹力予第一连杆Ll, 因此活动板S在操作状态与收纳状态之间切换时,都可较传统的按键结构更为省力。 When the elastic element R in this embodiment mainly to provide a predetermined elastic force to the side of the first link Ll, so that the movable plate S switching between operating state and the stored state, the key structures can be more than the traditional effort. 其中,第二连杆L2的第四端L24位于第一、第二凸块S1,、 S2, 之间,当处于操作状态时,第四端L24与第一凸块S1,抵接;当切换至收纳状态时,第四端L24则与第二凸块S2,抵接。 Wherein the fourth end of the second link L2 L24 located on the first, second bumps S1 ,, S2, between, when in the operating state, the fourth end of L24 and the first bump Sl, abuts; When the switching when folded to the state, the fourth terminal and the second bump L24 S2, abut. 在本实施例中,由于滑动块S 在移动时不会使弹性元件R受到进一步地拉伸,故可方便使用者操作,同时可增加弹性元件R的使用寿命。 In the present embodiment, since the slider S is not moved by the resilient member R is further stretched, it can be easily operated by the user, while increasing the life of the elastic member R.

接着请参阅图5,该图表示本发明中第二实施例的分解图。 Next, please refer to FIG. 5, which shows an exploded view of a second embodiment of the present invention. 如图所示, 在本实施例中的按键结构主要可在一操作状态中使用,包括一第一底板M、 一第二底板N、 一电路板P、 一弹性元件R、 一第一连杆L1、 一第二连杆L2以及一键帽C,上述电路板P设置于第一底板M以及第二底板N之间。 As shown, the key structure in the present embodiment may be used mainly in an operating state, comprising a first base plate M, a second base N, a circuit board P, a resilient member R, a first link L1, a second link L2 and a keycap C, the circuit board P disposed on the first base plate and second base plate M N between. 特别地是,前述第一、第二底板M、 N相互固接并构成一底座模块,其中 In particular, the first and second floor M, N and fastened to each other constitutes a base module, wherein

在第一底板M上设有第一、第二导槽部M1、 M2以'及突出部M3,此外在第二底板N上则设有一第一限位部N1,且上述第一限位部N1具有一第一凸块N1'。 M is provided on the first plate of the first, second guide groove portions M1, M2 to 'and the projecting portions M3, N addition on the second base plate is provided with a first limiting portion N1, and the first stopper portion having a first bump N1 N1 '.

再请一并参阅图5以及图6A,前述弹性元件R例如为一^立伸弹簧或其它拉伸弹性元件,具有一固定端R1以及一活动端R2,上述固定端R1呈勾状,用以勾住第一底板M上的一突出部M3进而与第一底板M相连接,此外活动端R2则是以可转动的方式连接第一连杆Ll上的一枢接部L13,其中枢接部L13与第一端Lll的距离大于第二端L12与第一端Lll的距离。 Referring again to FIG. 5 and FIGS. 6A, the elastic member, for example, R ^ a spring or other vertical extending tensile member having a fixed end and a movable end R1 R2, R1 form the fixing hook-shaped end, for M3 hooked on a projection of a first bottom plate M in turn connected to the first base plate M, is based in addition R2 movable end rotatably connected to a pivot portion on the first link L13 Ll, the central portion thereof L13 and Lll first end a distance greater than a second end of the first distance L12 and Lll end. 由于此时弹性元件R受到一些的拉伸,故可提供一侧向弹力予第一连杆L1, 用以将第二端L12限制于第一导槽部M1底侧(如图6A所示),其中前述侧向弹力具有一平行于第一底板M1的水平分力(X轴方向)及一垂直于第一底板M1的垂直分力(Y轴方向),且上述水平分力大于垂直分力。 At this time, since the elastic member is stretched by a number R, so that the elastic force may be provided to one side of the first link L1, L12 to be limited to the second end of the first bottom-side guide groove portions M1 (FIG. 6A) wherein the lateral spring force having a horizontal component parallel to the first base plate M1 (X-axis direction) perpendicular to the vertical force component and a first bottom M1 (Y-axis direction), the horizontal component and the vertical component is greater than .

在图6A中,前述第一底板M上的第一、第二导槽部M1、 M2以及突出部M3依序穿过电路板P以及第二底板N上的穿孔N',进而分别与第一、 第二连杆L1、 L2以及弹性元件R相连接。 In FIG. 6A, the first, second guide groove portions M1, M2 and M3 on the projecting portion of the first base plate sequentially through the circuit board P M and N on the second perforated plate N ', with the first turn , the second link L1, L2 and an elastic element R is connected. 特别地是,前述第一底板M上设有一开孔M,,并且在电路板P上设有对应的开口P',組装时弹性元件R 的至少一部分穿过开口P,而容置于开孔M,内,由此可降低按键结构在Z轴方向的高度。 In particular, an opening is provided on the first base plate M M P ,, and is provided with an opening on the circuit board corresponding to P ', at least a portion of the resilient element R P is assembled through the opening, and is accommodated in the opening M hole, within, thereby reducing the height of the key structures in the Z-axis direction.

接着请一并参阅图6A、图6B,该二图表示按键结构处于操作状态时的示意图。 Referring next FIGS. 6A, 6B, a schematic view of the key structure is in an operation state view showing the two. 如图6A所示,当键帽C未受外力按压时,第一连杆L1的第二端L12抵接第一导槽部M1底侧,而第二连杆L2的第四端L24则抵靠于第一凸块S1与第二导槽部M2底侧之间,用以使得键帽C可维持在一第一高度hl。 6A, when the pressing force unprotected C keycap, a second end of the first link L1 L12 abuts the first guide groove bottom side portion M1, the fourth end of the second link is brought into L24 L2 between the first bump against S1 and the second guide groove portion M2 bottom side, so that the keycap C to be maintained at a first height hl. - - - -

再请参阅图6B,当键帽C受到一朝下的外力按压时,键帽C因受到外力作用而由第一高度hl朝第一底板M方向下降至一第二高度h2,此时第二端L12朝一第一方向A1(X轴方向)滑动,而弹性元件R则通过活动端R2 绕枢接部L13转动而改变其侧向弹力的方向。 Referring again to Figure 6B, when the keycap C by pressing once the external force, the first height hl keycap C decreased toward a first direction to a second floor M due to height h2 of the external force, the second case L12 toward the end of a first direction A1 (X-axis direction) of the slide and the resilient member R2 R through the movable end side to change the direction of its elastic force rotate about pivot portion L13. 由于此时弹性元件R受到进一步地拉伸,故当外力释放时,可通过弹性元件R的侧向弹力作用使得键帽C自动回复至原先的第一高度hl。 At this time, since the elastic member is further stretched by R, so that when the external force is released, the elastic force by the elastic member such that the lateral keycap R C is automatically returned to the original first height hl. 此外,前述第一限位部N1第一、第二导槽部B1、 B2以及突出部B3也可视不同的设计需求而选择性地设置于第一底板M或第二底板N上,同样可达到上述的功效。 Further, the first limit N1 a first portion, a second guide groove portions B1, B2 and B3 projecting portion may also optionally different design requirements is selectively disposed on the first floor or the second floor M N, equally to achieve the above effect.

虽然结合以上详尽的实施例揭露了本发明,然而其并非用以限定本发明的范围,任何熟悉此项技术者,在不脱离本发明的精神和范围内,可做一些的更动与润饰,因此本发明的保护范围应以权利要求所界定的为准。 While the combination of the above detailed embodiments of the disclosed embodiment of the present invention, they are not intended to limit the scope of the present invention, any person skilled in the art, without departing from the spirit and scope of the present invention, some of the alterations and modifications do, Therefore, the scope of the present invention should be defined by the claims and their equivalents.

Claims (13)

  1. 1. 一种按键结构,包括:一键帽;一底板模块,包括:一底板,具有一第一导槽部以及一第二导槽部;一活动板,具有一第一限位部以及一第二限位部,该活动板可选择性地相对于该底板在一第一位置以及一第二位置之间移动;一第一连杆,具有一第一端、一第二端以及一枢接部,其中该第一端活动地连接该键帽,该第二端与该第一导槽部枢接,并可于该第一导槽部内滑动,该枢接部邻近该第二端;一第二连杆,与该第一连杆以可连动的方式枢接,该第二连杆具有一第三端以及一第四端,其中该第三端活动地连接该键帽,该第四端枢接该第二导槽,并可在该第二导槽部内滑动;以及一弹性元件,具有一固定端以及一活动端,该固定端连接该底板,该活动端以可转动的方式连接该枢接部,并作用一侧向弹力给该第一连杆,该侧向弹力具有一平行于该 A key structure comprising: a keycap; a floor module, comprising: a base plate having a first guide groove portion and a second guide groove portion; a movable plate having a first portion and a stopper second limiting portion, the movable plate is selectively movable relative to the base plate between a first position and a second position; a first link having a first end, a second end, and a pivot portion, wherein the first end movably connected to the key cap, the second end portion of the first connecting pivot groove, and slides within the first guide groove portion, the pivot portion proximate the second end; a second link, the first link in a manner interlocked pivot connection, the second link having a third end and a fourth end, wherein the third end movably connected to the keycap, the the fourth end pivotally connected to the second guide groove, and slide within the second guide groove portion; and an elastic member having a fixed end and a movable end, the fixed end connected to the base, said movable end so as to be rotatable pivoting the connected portion, and a side effect of the elastic force to the first link, the elastic force having a side parallel to the 板的水平分力及一垂直于该底板的垂直分力,其中该水平分力大于该垂直分力;其中,当该键帽受一外力作用而朝该底板移动时,该第二端于该第一导槽部内朝一第一方向滑动,此时该弹性元件绕该枢接部转动而改变该侧向弹力的方向,当该按键结构处于一操作状态时,该活动板位于该第一位置,此时该第一限位部抵接该第四端,使得该键帽可相对于该底板做上下运动;当该活动板由该第一位置移动至第二位置时,该第二限位部推动该第四端朝该按键结构外侧移动,并迫使该键帽朝该底板方向下降,用以使得该按键结构由该操作状态切换至一收纳状态。 Plate and a horizontal component perpendicular to the vertical component of the base plate, wherein the vertical component is greater than the horizontal component; wherein, when the keycap is moved by an external force toward the base plate, the second end to the a first guide towards a first direction of the slide groove portion, at which point the pivoting portion of the elastic member is rotated to change the direction of the lateral force of the winding, when the key structure is in an operating state, the movable plate in the first position, At this time, the first stopper abuts against the fourth end portion, such that the key cap relative to the base plate up and down motion; and when the movable plate by a second position to the first position, the second stopper portion pushing the fourth end of the key structure moves outward, forces the keycap and the base plate towards the direction of decline, so that the key structure to switch from the operating state to a storage state.
  2. 2. 如权利要求1所述的按键结构,其中该弹性元件为一拉伸弹簧。 The key structure as claimed in claim 1, wherein the elastic member is a tension spring.
  3. 3. 如权利要求1所述的按键结构,其中该固定端呈勾状,且该底板具有一突出部,该固定端勾住该突出部用以和该底板连接。 3. The key structure according to claim 1, wherein the fixed end of the hook-like shape, and the bottom plate having a protruding portion, the fixed end of the hook and the projection for connecting the bottom plate.
  4. 4. 如权利要求1所述的按键结构,其中该底板还具有一开孔,该弹性元件的至少一部分容置于该开孔。 4. The key structure according to claim 1, wherein the base plate further has a hole, at least a portion of the elastic member is accommodated in the opening.
  5. 5. 如权利要求4所述的按键结构,其中更包括一电路板,设置于该键帽与该底板之间,该电路板具有一开口,对应于该开孔,该弹性元件穿过该开口而容置于该开孔内。 5. The key structure as claimed in claim 4, wherein further comprising a circuit board, disposed between the keycap and the base plate, the circuit board has an opening corresponding to the opening, the resilient member through the opening and received in the aperture.
  6. 6. 如权利要求1所述的按键结构,其中该第一限位部包括一第一凸块, 该第二限位部包括一第二凸块,该第四端位于该第一、第二凸块之间。 6. The key structure according to claim 1, wherein the first limiting portion comprises a first bump, the second limiting portion comprises a second bump, the fourth end located in the first, second between the bumps.
  7. 7. —种i姿一建结构,包括: 一键帽;一底板模块,具有一第一导槽部、 一第二导槽部以及一第一限位部;一第一连杆,具有一第一端以及一第二端,其中该第一端活动地连接该键帽,该第二端与该第一导槽部枢接,并可于该第一导槽部内滑动;一第二连杆,与该第一连杆以可连动的方式枢接,该第二连杆具有一第三端以及一第四端,其中该第三端活动地连接该一建帽,该第四端与该第二导槽部枢接,并可于该第二导槽部内滑动;以及一拉伸弹性元件,连接该底板模块及该第一连杆,并作用一侧向弹力给该第一连杆,该侧向弹力具有一平行于该底板模块的水平分力以及一垂直于该底板模块的垂直分力,其中该水平分力大于该垂直分力;其中,当该键帽受一外力作用时,该第四端抵接该第一限位部,且该第二端于该第一导槽部内朝一第一方向滑动, 7. - i species pose a building structure comprising: a keycap; a base plate module having a first guide groove portion, a second guide groove portion and a first stopper portion; a first link having a a first end and a second end, wherein the first end movably connected to the key cap, the second end portion of the first connecting pivot groove, and slides within the first guide groove portion; a second connecting rod, the first link in a manner interlocked pivot connection, the second link having a third end and a fourth end, wherein the third end movably connected to the cap of a building, the fourth end contact with the second guide groove portion pivotally and slidably within the second guide groove portion; and a tensile member, connected to the first link module and the base plate, and a side effect of the elastic force of the first even to bar, the lateral spring force having a horizontal component parallel to the floor module and a perpendicular to the vertical component of the base module, wherein the vertical component is greater than the horizontal component; wherein, when an external force by the keycap when, the fourth end portion abuts against the first stopper, and the second end of the slide toward a first direction in the first guide groove portion, 以使该键帽靠近该底板模块;当该外力释放时,该侧向弹力驱使该第二端朝一第二方向滑动,用以使该键帽远离该底板模块,且该第二方向相反于该第一方向。 So that the key top adjacent to the floor module; when the external force is released, the driving force of the second end side toward a second sliding direction, for causing the key top away from the base module, and the second direction opposite to the The first direction.
  8. 8. 如权利要求7所述的按键结构,其中该底板模块包括一第一底板及一第二底板,该第二底板固定于该第一底板,该第一、第二导槽部设置于该第一底板,且该第一限位部设置于该第二底板。 8. The key structure according to claim 7, wherein the base module comprises a first plate and a second plate, the second plate is fixed to the first plate, the first and second portions disposed in the guide groove a first base plate, and the first stopper portion disposed on the second base plate.
  9. 9. 如权利要求7所述的按键结构,其中该弹性元件为一拉伸弹簧。 The key structure as claimed in claim 7, wherein the elastic member is a tension spring.
  10. 10. 如权利要求7所述的按键结构,其中该第一连杆具有一枢接部, 邻近该第二端,且该弹性元件具有一固定端以及一活动端,该固定端连接该底板模块,该活动端以可转动的方式连接该枢4妻部。 10. The key structure according to claim 7, wherein the first link having a pivot portion proximate the second end, and the elastic member having a fixed end and a movable end, the fixed end connected to the floor module the movable end rotatably connected to the pivot portion 4 wife.
  11. 11. 如权利要求7所述的按4建结构,其中该底板模块还具有一开孔, 该弹性元件的至少一部分容置于该开孔。 As claimed in claim 7, built by the structure 4, wherein the base plate further has a hole module, receiving at least a portion of the elastic member placed in the opening.
  12. 12. 如权利要求11所述的按键结构,其中更包括一电路板,设置于该键帽与该底板模块之间,该电路板具有一开口,对应于该开孔,该弹性元件穿过该开口而容置于该开孔内。 12. The key structure as claimed in claim 11, wherein further comprising a circuit board, disposed between the keycap and the base module, the circuit board has an opening corresponding to the opening, through which the resilient element opening received in the aperture.
  13. 13.如权利要求IO所述的按键结构,该枢接部与该第一端的距离大于该第二端与该第一端的距离。 13. The key structure according to claim IO, from the second end to the first end of the pivot portion with a distance greater than the first end.
CN 200510087858 2005-08-01 2005-08-01 Press key structure CN100481294C (en)

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CN105336531A (en) * 2014-08-08 2016-02-17 联想(北京)有限公司 Input device and portable electronic device

Citations (8)

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Publication number Priority date Publication date Assignee Title
US5268545A (en) 1992-12-18 1993-12-07 Lexmark International, Inc. Low profile tactile keyswitch
US5399822A (en) 1992-07-17 1995-03-21 Brother Kogyo Kabushiki Kaisha Keyswitch device
US5466901A (en) 1992-06-09 1995-11-14 Brother Kogyo Kabushiki Kaisha Keyswitch assembly having mechanism for controlling touch of keys
US5735390A (en) 1994-07-20 1998-04-07 Brother Kogyo Kabushiki Kaisha Keyswitch device
US5971637A (en) 1996-12-10 1999-10-26 Texas Instruments Incorporated Low profile keyboard
US6501038B2 (en) 1999-12-07 2002-12-31 Fujitsu Takamisawa Component Limited Key switch and keyboard
US6559399B2 (en) 2001-04-11 2003-05-06 Darfon Electronics Corp. Height-adjusting collapsible mechanism for a button key
CN1176479C (en) 2001-01-09 2004-11-17 达方电子股份有限公司 Lifting key device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5466901A (en) 1992-06-09 1995-11-14 Brother Kogyo Kabushiki Kaisha Keyswitch assembly having mechanism for controlling touch of keys
US5399822A (en) 1992-07-17 1995-03-21 Brother Kogyo Kabushiki Kaisha Keyswitch device
US5268545A (en) 1992-12-18 1993-12-07 Lexmark International, Inc. Low profile tactile keyswitch
US5735390A (en) 1994-07-20 1998-04-07 Brother Kogyo Kabushiki Kaisha Keyswitch device
US5971637A (en) 1996-12-10 1999-10-26 Texas Instruments Incorporated Low profile keyboard
US6501038B2 (en) 1999-12-07 2002-12-31 Fujitsu Takamisawa Component Limited Key switch and keyboard
CN1176479C (en) 2001-01-09 2004-11-17 达方电子股份有限公司 Lifting key device
US6559399B2 (en) 2001-04-11 2003-05-06 Darfon Electronics Corp. Height-adjusting collapsible mechanism for a button key

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