M379306 五、新型說明： 【新型所屬之技術領域】 本創作關於一種多角度自動閉合凹凸輪組件，使用於連接一折最 式電子設備之上蓋及底座之間的雙轴旋轉樞鈕器中，使得上蓋在正戋 反面蓋合於底座上時，皆會產生負角度的預壓且自動閉合。 【先前技術】 在折疊式電子設備之中，具有一上蓋及-底座，例如筆記型電腦 具有一顯示螢幕及一鍵盤部。為了上蓋及底座可相對開啟或閉合，必 需設置樞鈕器。有時為了使上蓋能在垂直面上旋轉，例如筆記型電腦 將顯示螢幕開啟後旋轉以向週_人展示，而有已知的雙贼轉樞知 器之設計，例如中華民國發明專利證書號數129668〇「電子設備之雙軸 鉸鏈裝置」、中華民國新型專利證書號數]^328762「樞紐器」及中華民 國新型專利證書號數娜7838「樞紐器及具有插紐器之電子裝置」等 前案中揭露。 此種雙轴旋轉_器主要具有一連接於折疊式電子設備底座之基 座’並在該基座上設有一旋轉件，驗轉件至少可相對於基座正或反 轉180度，使上蓋在垂直面時可相對底座旋轉；且旋轉件上設有可使 該上蓋相對該底座開啟或閉合之極轉機構，該樞轉機構至少具有一樞 軸’該娜具有-非圓形之轴部，且在姉部上裝置有―旋轉支架、 -組彈性組件及—固^裝置；該彈性組件壓_旋轉支架的一樞接 片，使該旋轉支架上固定的上蓋可相對雜概轉至任—角度定位。 3 ,;顯『榮幕觸控功能的增強’平板電腦（Tablet-PC)被廣泛使 用平板電腦的上蓋顯示螢幕可相對底座鍵盤至少正反向旋轉⑽度， 而將雙轴旋轉她器1設在中間位置，參見第-錢至第-D圖，上 萬 9 1 自 P，罢 丈σ (如第—Α圖所示）而相對底座9 2被開啟至約90 又如（如第β圖所不）之垂直面上，使得上蓋91可在垂直面上旋轉 第C圖所不）’當上蓋9工雜1的度後則可閉合回底座9 2 9 1的顯示螢幕面朝上（如第圖所示），以方便以觸控 筆9 3書寫》 '在第A圖中所示上蓋91閉合位置時，雙軸旋轉椹紐器 1的旋轉支架相對水平格1G度，使上蓋9 1以蓋合底座9 2。相反 第D圖中所示上蓋91反向閉合位置時，雙轴旋轉樞钮器 1的旋轉支架靖水平線為 190 度。 在餐知般筆§己型電腦中所使用的單軸旋轉樞鈕器，會設置有凹 ώ輪··且件’以達到上蓋自賴合功能，例如巾華民國新型專利公告號 8具疋位功能的框紐器」及申請人的中華民國新型專利公告號 Μ295419具有自動閉閨功能之樞紐器」等前案。但，這些凹凸輪组件 十在單向具備自動閉合功能，如應用於雙轴旋轉拖紐器中則 必需再加以改良。 【新型内容】 緣此’本創作提供一種多角度自動閉合凹凸輪組件，使用於連接 一折璺式電子設備之上蓋及底座之間的雙軸旋轉樞鈕器中；該雙軸旋 轉極紐器至少具有一基座及一旋轉件’該旋轉件至少可相對於基座正 M379306 或反轉18〇度’使該上蓋在開啟至垂直面時可相對該底座旋轉；且該 旋轉件上設有可使該上蓋相對該底座開啟朗合之拖轉機構，該棍轉 機構至少具有一樞轴，該樞轴具有一非圓形之轴部，且在該轴部上裝 置有一旋轉支架、一組彈性組件及一固定裝置；其係包括： -凸輪’具有-非圓形孔供該軸部穿過而不能相對雜部轉動， 且於一側之鄰接面上對稱位置形成一第一凸塊及一第二凸塊，該第一 凸塊及第二凸塊之形狀不同；及 一凹輪，被固定於該_支架上一同轉動，具有一圓孔供該轴部 穿過，且於一侧之鄰接面上相對該第一凸塊及第二凸塊形成一第一凹 部及-第二凹部；該第-凹部具有容許該第—凸塊落人的第一凹陷及 容許第一凸塊落人的第二凹陷’該第二凹部也具有容許該第一凸塊落 入的第一凹陷及容許第二凸塊落入的第二凹陷； 在該旋轉支架相對該軸部旋轉至第一角度時，諒凸輪之第一凸塊 落入該凹輪之第一凹部之第一凹陷中，而第二凸塊落入該凹輪之第二 凹部之第二凹陷中，產生負角度的預壓且自動閉合；在該旋轉支架相 對該軸部旋轉至第二角度時，該凸輪之第一凸塊落入該凹輪之第二凹 部之第一凹Ρί3中，而第一凸塊落入該凹輪之第一凹部之第二凹陷中， 產生負角度的預壓且自動閉合。 以下，將依據圖面所示之實施例而詳加說明本創作之結構特點及 使用功效。 【實施方式】 5 M379306 請參見第二圖及第三圖所示，本創作提供了一種多角度自動閉合 凹凸輪組件1〇，使用於連接一折疊式電子設備之上蓋9 i及底座9 2之間的雙轴旋轉樞钮器1中βM379306 V. New description: [New technical field] This creation is about a multi-angle automatic closing concave cam assembly, which is used to connect a double-axis rotary hinge between the upper cover of the most electronic device and the base, so that the upper cover When the front and back sides are covered on the base, a negative angle preload is generated and automatically closed. [Prior Art] Among the folding electronic devices, there is an upper cover and a base, and for example, the notebook computer has a display screen and a keyboard portion. In order for the upper cover and the base to be relatively open or closed, a hinge must be provided. Sometimes, in order to make the upper cover rotate in a vertical plane, for example, the notebook computer will display the screen to turn on and rotate to display to the person, and there is a known design of the double thief, such as the Republic of China invention patent certificate number. Number 129668〇 "Biaxial hinge device for electronic equipment", Republic of China new patent certificate number] ^328762 "Pivot" and Republic of China new patent certificate No. 7838 "Pivot and electronic device with injector" Revealed in the previous case. The dual-axis rotary _ main device has a base connected to the base of the folding electronic device and has a rotating member on the base. The verification member can be at least 180 degrees reverse or reverse with respect to the base, so that the upper cover The vertical member is rotatable relative to the base; and the rotating member is provided with a pole-rotating mechanism for opening or closing the upper cover relative to the base, the pivoting mechanism having at least one pivotal axis - the non-circular shaft portion And a rotating bracket, a set of elastic components and a fixing device are arranged on the crotch portion; the elastic component presses a pivoting piece of the rotating bracket, so that the upper cover fixed on the rotating bracket can be transferred to the other - Angle positioning. 3,; "Enhanced touch screen enhancement" tablet (Tablet-PC) is widely used on the top cover of the tablet display screen can be rotated at least (10) degrees relative to the base keyboard, and the two-axis rotation of the device 1 In the middle position, see the first - money to the -D map, tens of thousands 9 1 from P, σ σ (as shown in Figure Α) and relative to the base 9 2 is opened to about 90 again (as in the figure β On the vertical plane, the upper cover 91 can be rotated on the vertical plane, and the second cover can be closed. The upper cover 9 can be closed back to the base 9 2 9 1 with the display screen facing up (eg The figure is shown in the figure), in order to facilitate writing with the stylus 9 3 "When the upper cover 91 is closed in the position shown in FIG. A, the rotating bracket of the double-axis rotary ballast 1 is 1 G degree relative to the horizontal grid, so that the upper cover 9 1 To cover the base 9 2 . Conversely, when the upper cover 91 is in the reverse closed position shown in Fig. D, the rotating bracket of the two-axis rotary pivoting device 1 has a horizontal line of 190 degrees. In the single-axis rotary hinge used in the computer, the concave shaft and the piece will be provided to achieve the function of the upper cover. For example, the new patent number of the Republic of China is 8 The function of the frame and the applicant's Republic of China new patent announcement number Μ 295419 has a closed function of the automatic closing function" and other previous cases. However, these concave cam assemblies have an automatic closing function in one direction, and must be improved if applied to a two-axis rotary drag. [New content] Therefore, this creation provides a multi-angle automatic closing concave cam assembly for connecting a double-axis rotary hinge between a top cover and a base of a folding electronic device; the dual-axis rotary pole is at least Having a base and a rotating member 'the rotating member can be rotated relative to the base at least M379306 or reversed 18 degrees' to enable the upper cover to rotate relative to the base when opened to a vertical plane; and the rotating member is provided with a towing mechanism for opening the upper cover to the base, the stick rotating mechanism having at least one pivot, the pivot having a non-circular shaft portion, and having a rotating bracket and a set of elasticity on the shaft portion And a fixing device; the system comprises: - a cam having a non-circular hole for the shaft portion to pass through without being rotated relative to the miscellaneous portion, and forming a first bump and a symmetric position on the abutting surface of one side a second protrusion, the first protrusion and the second protrusion are different in shape; and a concave wheel is fixedly rotated on the bracket, has a circular hole for the shaft to pass through, and is adjacent to one side The surface is opposite to the first bump and the second The bumps form a first recess and a second recess; the first recess has a first recess that allows the first bump to fall, and a second recess that allows the first bump to fall. The second recess also has tolerance a first recess into which the first bump falls and a second recess into which the second bump is allowed to fall; when the rotating bracket rotates to a first angle with respect to the shaft portion, the first bump of the cam falls into the recess a first recess of the first recess of the wheel, and the second bump falls into the second recess of the second recess of the recess, generating a negative angle preload and automatically closing; rotating the rotating bracket relative to the shaft At a second angle, the first bump of the cam falls into the first recess Ρ3 of the second recess of the recessed wheel, and the first bump falls into the second recess of the first recess of the recessed wheel, resulting in Negative angle preload and automatic closure. Hereinafter, the structural features and functions of the present invention will be described in detail based on the embodiments shown in the drawings. [Embodiment] 5 M379306 Referring to the second and third figures, the present invention provides a multi-angle automatic closing concave cam assembly 1 〇 for connecting a folding electronic device upper cover 9 i and a base 9 2 Between the two-axis rotary pivot switch 1
參見第四圖及第五圖，該雙軸旋轉樞鈕器丄具有一基座丄〇 〇及 一旋轉件2 0 0，該旋轉件2 〇 〇至少可相對於基座i 〇 〇正或反轉 180度’使上蓋9 1在開啟至垂直面時可相對底座9 2旋轉。且該旋轉 件2 0 〇上設有可使上蓋9丨相對底座9 2 賴合之樞轉機構3 〇 0，該樞轉機構3 0 Q具有-樞軸3 〇 i，該姉3 〇 i具有一非 圓形之軸部3 0 2 ’且在該軸部3〇2上裝置有—旋轉支架3〇3、 -組彈性組件3 0 4、-組凹凸輪組件丄〇、多片摩擦片3 〇 6及一 固定裝置3 0 5。該彈性組件3 〇 4觀旋轉支架3 ◦ 3的一框接片 3 0 7，使旋轉支架3 0 3可相對軸部3 Q 2旋轉至任—角度定位。 而本創作的凹凸輪組件1〇，係由一凸輪工丄及一凹輪丄2所構成。Referring to the fourth and fifth figures, the two-axis rotary hinge 丄 has a base 丄〇〇 and a rotating member 200, and the rotating member 2 〇〇 is at least positive or reverse with respect to the base i The 180 degree 'rotates the upper cover 9 1 relative to the base 9 2 when it is opened to the vertical plane. And the pivoting member 3 0 〇 is provided with a pivoting mechanism 3 〇0 for the upper cover 9 赖 relative to the base 9 2 , the pivoting mechanism 300 Q has a pivot axis 3 〇 i, the 姊 3 〇 i has A non-circular shaft portion 3 0 2 ' is mounted on the shaft portion 3〇2 with a rotating bracket 3〇3, a set of elastic components 3 0 4, a concave cam assembly, and a plurality of friction plates 3 〇6 and a fixture 3 0 5 . The elastic member 3 观 4 views a frame tab 3 0 of the rotating bracket 3 ◦ 3 so that the rotating bracket 300 can be rotated relative to the shaft portion 3 Q 2 to any-angle positioning. The concave cam assembly 1〇 of the present invention is composed of a cam work and a concave rim 2.
參見第二圖及第三圖’本創作凸輪i U有—非圓形孔丄丄3供 軸部3 0 2穿過而不能相對_ 3 〇 2轉動，且於__側之鄰接面上對 稱位置形成-第—凸塊111及-第二凸塊丄i 2，其中該第一凸塊 111及第二凸塊1 12之形狀不同，且第—凸塊ii及第二凸塊 1 12徑向邊緣皆為斜坡a及b。 而凹輪12以一凸板124被固定於旋轉支架3〇3上一同轉 動，且中間具有-圓孔12 3供轴部3 〇 2穿過，且於—側之鄰接面 上相對第-凸塊111及第二凸塊i i 2形成_第_凹部丄2 i及一 第二凹部12 2 ° 第-凹部1 2 1具有容許第—凸塊i i i “的第—凹陷丄2工 6 M379306 a及容許第二凸塊1 12S人的第二凹陷i 2 i b ;而第二凹部工2 2也具有容許該第-凸塊1 1 1落入的第—凹陷丄2 2 &及容許第二 凸塊1 12落入的第二凹陷12 2b。同樣地，第—凹部121及第 二凹部12 2之徑向邊緣也皆為斜坡c及廿。 參見配合第六圖至第八圖，說明本創作之旋轉動作。 在旋轉支架3 Q 3之樞接片3 0 7相對轴部3 〇 2旋轉至第-角 度時，如第六圖所示，凸輪11之第一⑽111 (圖中以斜線表示） 落入凹輪12之第-凹部121之第-凹陷i 2 i a中，而第二凸塊 1 12 (圖中以斜線表示）落入凹輪2 2之第二凹部工2 2之第二凹 陷12 2b中’由於第-凸塊χ i i之斜坡讀應第—凹部i 2丄之 斜坡c以及第二凸塊1 12之斜坡b對應第二凹部i 2 2之斜坡d， 產生負角度的預壓且自動閉合。而旋轉支架3 〇 3在第—角度時，上 蓋9 1相對底座9 2係在閉合位置，即第—A_示位置，而旋轉支 架3 0 3之角度，參考線L 2相對水平線L i是在Θ i㈣)度位置。 在上蓋9 2開啟旋轉至約90度時，即第—B圖所示位置，參見第 七圖’凸輪1 1之第-凸塊i i i及第二凸塊i 12分別爬出凹輪工 2之第-凹部工2丄及第二凹部丄2 2。而旋轉支架3 〇 3之角度， 參考線L 2相對水平線L 1是在0 2的9〇度位置。 在旋轉支架3 0 3之樞接片3 0 7相對轴部3 〇 2旋轉至第二角 度時，如第八圖所示，凸輪i i之第—凸塊丄i工（圖中以斜線表示） 落入凹輪12之第二凹部12 2之第-凹陷i 2 2 a中，而第二凸塊 1 12 (圖中以斜線表示）落入凹輪丄2之第一凹部i 2 i之第二凹 陷121b令，由於第-凸塊丄丄丄之斜坡a對應第二凹部i 2 2之 7 M379306 斜坡d以及第二凸塊112之斜坡b對應第一凹部j 2丄之斜坡c， 產生負角度的預壓且自動閉合。而旋轉支架3 〇 3在第二角度時，上 蓋91係反轉相對底座9 2在閉合位置’即第一0圖所示位置而旋 轉支架3 0 3之角度’參考線l 2相對水平線l1是在0 3的⑽度 位置。 顯然地，本創作所提供的凹凸輪組件丄〇，使得折疊式電子產品 上蓋9 1無論是正面或反關合於底座9 2上時，在要閉合前皆會因 為凹凸輪組件1〇產生負角度的預塵且自動閉合，而達到多角度自動 閉合之功效。這將使得平板電腦之顯示螢幕被轉至朝上時可以達到 定位鎖合效果，以方便觸控筆9 3的使用》 綜上所陳’本創作所提供的一種多角度自動閉合凹凸輪組件使用 於雙軸旋轉樞㈣t，將可達到兩㈣度自觸合之功效，完全符專 利之新穎性及進步性要件，爰依法提出申請。 【圖式簡單說明】 第-A圖至第-D圖代表—種平板電腦之上蓋顯示勞幕相對底座 之動作圖， 第二圖代表本創作之立體視圖， 第二圖代表本創作之平面視圖， 第四圖代表本創作使用於雙軸旋轉樞鈕器中之立體圖， 第五圖代表本創作使用於雙軸旋轉樞鈕器中之分解圖， 第圖至第八圖代表本創作使用於雙轴旋轉樞鈕器中之動作圖。 8 M379306 【主要元件符號說明】 雙轴旋轉樞鈕器1 凸輪1 1 上蓋9 1 第一凸塊111 底座9 2 第二凸塊112 觸控筆9 3 斜坡a及b 基座1 0 0 非圓形孔113 旋轉件2 0 0 凹輪1 2 樞轉機構3 0 0 凸柱1 2 4 樞軸3 0 1 圓孔1 2 3 軸部3 0 2 第一凹部121 旋轉支架3 0 3 第一凹陷121 a 彈性組件3 0 4 第二凹陷121b 固定裝置3 0 5 第二凹部1 2 2 摩擦片3 0 6 第一凹陷12 2 a 框接片3 0 7 第二凹陷12 2 b 凹凸輪組件10 斜坡c及dReferring to the second and third figures, the creative cam i U has a non-circular aperture 3 for the shaft portion 3 0 2 to pass through and cannot rotate relative to the _ 3 〇 2, and is symmetric on the abutting surface of the __ side. The position forming-the first bump 111 and the second bump 丄i 2 are different in shape, and the first bump ii and the second bump 1 12 are different in shape. The edges are all slopes a and b. The concave wheel 12 is rotated together with a convex plate 124 fixed on the rotating bracket 3〇3, and has a round hole 12 3 for the shaft portion 3 〇 2 to pass through, and the first-convex surface on the abutting surface of the side The block 111 and the second bump ii 2 form a _th recess 丄2 i and a second recess 12 2 ° the first recess 1-2 has a first recess iii 2 M379306 a and The second recess i 2 ib of the second bump 1 12S is allowed; and the second recess 2 2 also has a first recess 丄 2 2 & allowing the second bump 1 1 1 to fall in and allowing the second convex The second recess 12 2b of the block 1 12 is dropped. Similarly, the radial edges of the first recess 121 and the second recess 12 2 are also slopes c and 廿. See the sixth to eighth figures to illustrate the creation. When the pivoting piece 3 0 7 of the rotating bracket 3 Q 3 is rotated to the first angle with respect to the shaft portion 3 〇 2, as shown in the sixth figure, the first (10) 111 of the cam 11 (indicated by a diagonal line in the figure) Falling into the first recess i 2 ia of the first concave portion 121 of the concave wheel 12, and the second convex block 12 12 (shown by oblique lines) falling into the second concave portion of the second concave portion 2 2 of the concave wheel 2 2 12 2b in 'by The slope of the first bump ii ii reads the slope c of the first recess i 2 以及 and the slope b of the second bump 1 12 corresponds to the slope d of the second recess i 2 2 , generating a negative angle preload and automatically closing. When the rotating bracket 3 〇3 is at the first angle, the upper cover 9 1 is in the closed position relative to the base 92, that is, the position of the first A_ shows, and the angle of the rotating bracket 300, the reference line L 2 is relative to the horizontal line L i In the position of Θ i (four)). When the upper cover 9 2 is rotated to about 90 degrees, that is, the position shown in Fig. B, see the seventh figure 'the first bump iii and the second bump i 12 of the cam 1 1 respectively Climb out of the first concave portion 2 丄 and the second concave portion 丄 2 2 of the grooving machine 2. While rotating the angle of the bracket 3 〇 3, the reference line L 2 is at the 9 〇 degree position of 0 2 with respect to the horizontal line L 1 . When the pivoting piece 3 0 7 of the bracket 300 is rotated relative to the shaft portion 3 〇 2 to the second angle, as shown in the eighth figure, the first bump of the cam ii (indicated by a diagonal line in the figure) falls into The second recess 12 12 of the second recess 12 2 is recessed, and the second bump 1 12 (shown by oblique lines) falls into the second recess of the first recess i 2 i of the concave rim 2 Order 121b, Since the slope a of the first bump 对应 corresponds to the 7 M379306 slope d of the second recess i 2 2 and the slope b of the second bump 112 corresponds to the slope c of the first recess j 2丄, a negative angle preload is generated and When the rotating bracket 3 〇3 is at the second angle, the upper cover 91 is reversed relative to the base 9 2 in the closed position 'ie, the position shown in the first 0 and the angle of the rotating bracket 3 0 3' is relative to the reference line l 2 The horizontal line l1 is at the (10) degree position of 0 3 . Obviously, the concave cam assembly provided by the present invention causes the folding electronic product upper cover 91 to be negatively caused by the concave cam assembly 1 1 before being closed or reversely closed on the base 92. The angle of pre-dusting and automatic closing, and achieve the effect of multi-angle automatic closing. This will enable the tablet's display screen to be turned up to achieve the positioning and locking effect, so as to facilitate the use of the stylus 9 3. In summary, a multi-angle automatic closing concave cam assembly provided by the present invention is used. In the two-axis rotary pivot (four) t, it will achieve the effect of two (four) degrees of self-contact, fully meet the novelty and progressive requirements of the patent, and apply in accordance with the law. [Simple diagram of the diagram] The pictures from Fig. A to Fig. D represent the action diagram of the top cover of the tablet computer showing the screen relative to the base, the second diagram represents the stereo view of the creation, and the second diagram represents the plan view of the creation. The fourth figure represents the perspective view of the creation used in the two-axis rotary hinge, the fifth figure represents the exploded view of the creation used in the two-axis rotary hinge, and the first to eighth figures represent the creation used for the two-axis rotation. Action diagram in the hub. 8 M379306 [Description of main component symbols] Two-axis rotary hinge 1 Cam 1 1 Upper cover 9 1 First bump 111 Base 9 2 Second bump 112 Stylus 9 3 Slope a and b Base 1 0 0 Non-circular Hole 113 Rotating member 2 0 0 Recessed wheel 1 2 Pivoting mechanism 3 0 0 Protrusion 1 2 4 Pivot 3 0 1 Round hole 1 2 3 Shaft portion 3 0 2 First recess 121 Rotating bracket 3 0 3 First recess 121 a Elastic component 3 0 4 Second recess 121b Fixing device 3 0 5 Second recess 1 2 2 Friction plate 3 0 6 First recess 12 2 a Frame tab 3 0 7 Second recess 12 2 b Concave cam assembly 10 Slope c And d