201122253 六、發明說明： 一 【發明所屬之技術領域】 本發明係有關-種樞紐器，尤指一種包覆式框紐器，適用 於掀蓋式的電子裝置者。 【先前技術】 -般用於掀蓋式電子產品_蝴，健設騎幕血本體 之間，使螢幕可相對於本體·或蓋合。包覆式樞紐器通常由 具有作動開合口的轴套套設於一樞軸以提供旋轉開合的功 能。習知的結構如中華民國公告第M3職號的新型專利「單 包軸套的轉軸穩定結構」所示，該轉轴係用於一主機與一顯示 器連接處，且該顯示器可相對該主機展開並藉其摩擦力定倾 不同的角度，該單包轴套具有一緊扣部，而該緊扣部具有一作 動開合口，當該顯示器相對該主機展開作動正轉時，該作動開 。σ係％^%時大，而當該顯示難對社朗合作動反 時該作動開合口係較常態時小，致使該顯示器相對該主機 合作動可達開輕關重的功能。 ιΓΓ包覆式樞紐器正反轉扭力不同，有鬆開與關緊的特 'α紐益具有開輕關重的功能，讓使用者可以較輕的力量 輕鬆地開啟螢幕，而蓋合營幕時，藉由作動開合口較 小’扭力增加，可避免螢幕因本身重量而自動落下撞擊本體、。 然而’由於開輕的功能，當榮幕開啟至後方約135度〜⑽度 201122253 時，即無法支撐住螢幕而使螢幕往下掉，進而造成使用不便， 或疋產品撞擊損壞。 因此’本發明所欲解決的問題即是螢幕開啟至後方，因扭 力不足而無法支撐容易往下掉落的問題。 【發明内容】 本發明的主要目的，即在提供一種包覆式枢紐器，其具有 開輕關重的絲，且開啟至後方時會增加扭力’以支撐住螢 • I’避免榮幕往後掉而導致撞擊損壞影響產品壽命，並可增加 使用的方便性。 為達上述目的，本發明包覆式枢紐器所採取的技術手段係 包含： 一心軸，具有一軸桿，該軸桿設有一切面； 〇覆件，套叹於該軸桿，其設有一軸向開口，並形成有 一平面，該平面至包覆件中心線的距離小於包覆件的内側半 φ ㉖’且該平面寬度小於該軸桿切面的寬度，使該平面與該切面 不接觸。 包覆件使樞紐器產生開輕關重的效果；當開啟時，包覆件 的平面在軸桿的切面範圍内轉動，未與軸桿的圓弧面接觸，此 時扭力較小’因此整极時具有開輕的絲，可以單手輕易 的打開螢幕。當螢幕開啟至後方約9〇度〜180度時，包覆件的 平面轉動與軸桿的圓弧面接觸增加了干涉量，進而增加扭力， 使螢幕開啟至後方時得以支樓住，不往下掉落。而關閉時，藉 201122253 由包覆件扭力增加，避免螢幕自動掉下撞擊本體。一 本發明包覆式樞紐輯採取的另—技術手段係包含： 一心軸，具有一軸桿，該軸桿設有一切面，該軸桿即形成 有該切面與一圓弧面； 包覆件’為圓管狀，係套設於該轴桿，其設有一軸向開 p ; 其中’該樞紐器轉動開啟時，具有一前段開啟的角度範圍 與後1又開啟的角度範圍，於前段開啟的角度範圍時，該包覆 件的開係、轉動於該軸桿的切面範圍，此時包覆件的彈性擴張 直較小，因而產生較小的扭力。於後段開啟的肖度範圍時，該 包覆件的開口係轉動於該軸桿的圓弧面範圍’且該圓弧面與該 口的兩她此時包覆件的彈性擴張量較大，而產生較 大的扭力。因此，當螢幕打開到後段開啟的角度範圍時，扭力 會增加，而得以支撐住不往下掉。 【實施方式】 請參閱第1〜4圖，係本發明第一實施例的元件分解圖、立 體組合圖、底視元件分解圖及A-A剖視圖。本發日月包覆式樞 紐盗包含-心軸以―包覆件2，該心軸1具有—軸桿U，轴 柃11 §史有一切面110，而呈非圓形，且心轴i的一端設有一 結合部12 ’肋結合固定於電子裝置的本體。該包覆件2係 套°又於轴卜11 ’其設有—軸向開σ 2卜使其具有徑向擴張的 彈性。包覆件2並形成有—平面22，該平面22至包覆件〕中 201122253 :線的距離小於包覆件2 _則半徑，且平面22寬度小於細 桿11切面110的寬度，使平面22與切面110不接觸。該包覆 件2延伸設有__片23，固^ 23上設有複數固定孔^， 用以與電子裝置的螢幕固定。 • 請參閱第4_5圖’第4 ®為樞紐11_合狀態示意圖，第 . 5圖為樞紐器轉動開啟90度的狀態示意圖。當螢幕開啟時， 包覆件2朝開口 21的反向轉動，開口 21較常態時大，包覆件 • 2的平面22在軸桿11的切面110範圍内轉動，未與轴桿u 的圓弧面接觸，此時扭力較小，而易於開啟，具有開輕的效果。 由於平面22寬度小於切面no的寬度，因此包覆件2平面22 轉射η刀面110的範圍，不會與切面11〇貼合形成閉鎖。 當開啟至約135度之後，如第6圖所示，包覆件2的平面 22與轴桿11的切面110轉角以及圓弧面鋪，因平面22至 匕覆件2中心線的距離小於包覆件2的_半徑，而與轴桿 • U形成干涉’因而包覆件2會被切面110轉角及圓弧面撐開 束緊軸彳干Π ’触增加扭力以域縣，避免螢幕往後掉。 ^覆件2的平面22與軸桿n形成干涉時的角度依使用需求而 疋^而不限於上述角度。可實施的範圍約在開啟9〇度〜18〇度 使樞紐器增加扭力。當反向關閉時，包覆件2開口 a變小， 力k加可避免螢幕自動掉下撞擊本體，而達到關重的效果。 ^請參閱第7-8圖，為本發明第二實施例的元件分解圖及前 丰又開啟角度範圍的示意圖。本實施例係去掉第一實施例包覆件 201122253 . 2的平面22 ’即包覆件2為圓管狀無平面’而心軸1的軸桿 11仍設有一切面110，即軸桿12形成有一切面110與一圓弧 面111，包覆件2與軸桿π並呈干涉配合。 其中，該樞紐器轉動開啟時，具有一前段開啟的角度範圍 . 與一後段開啟的角度範圍，於前段開啟的角度範圍時，該包覆 . 件2的開口 21係轉動於該軸桿η的切面11〇範圍。於後段開 啟的角度範圍時’該包覆件2的開口 21係轉動於該軸桿11的 φ 圓弧面m範圍，且該圓弧面ill與該開口 21的兩側相接觸。 如第8圖所示，當樞紐器在前段開啟的角度範圍A時， 例如0度〜90度，該包覆件2的開口 21係轉動於軸桿U的切 面110範圍。如第9圖所示，當樞紐器在後段開啟的角度範圍 B時，例如90度〜180度，該包覆件2的開口 21係轉動於軸 桿11的圓弧面111範圍，且圓弧面U1係完全擋住開口 21。 當在前段開啟的角度範圍A時，由於包覆件2的開口 21 # 兩侧未完全與轴桿11的圓弧面m相接觸，開口 21的一側或 兩侧因無軸桿11撐開，包覆件2的彈性擴張量較小，因而產 生較小的扭力。當在後段開啟的角度範圍B時，由於第二包 覆件2的開口 21兩側皆與軸桿11的圓弧面lu相接觸，軸桿 . 12將包覆件2完全撐開，此時包覆件2的彈性擴張量較大， 而產生較大的扭力。因此’當錄打_後段開啟的角度範圍 時’扭力會增加，而得以支撐住不往下掉。上述前段開啟的角 度範圍與後段開啟的角度範圍係依使用需求而定，而不限於上 201122253 述角度。 本發明雖為實現上述目的而揭露了較侧频實施例，惟 其並_赚制本發明之構造繼，任何難術躺之通常知 識者應知’在本發日觸技術精神τ，任何輕m之變化或修 飾皆是可能的，且皆為本案之申請專利範圍所涵蓋。 【圖式簡單說明】 第1圖，係本發明第一實施例之元件分解圖。201122253 VI. Description of the Invention: 1. Technical Field of the Invention The present invention relates to a type of hinge, and more particularly to a covered type of frame device, which is suitable for a clamshell type electronic device. [Prior Art] - It is used for the cover-type electronic product _ butterfly, between the body of the blood, so that the screen can be closed with respect to the body. The wrap-around hinge is typically sleeved on a pivot by a bushing having an actuating opening to provide a rotational opening and closing function. The conventional structure is as shown in the new patent of the M3 job title of the Republic of China, the "spindle-stable structure of a single-sleeve bushing", which is used for a host and a display connection, and the display can be unfolded relative to the host And by the frictional force of different angles, the single-sleeve sleeve has a fastening portion, and the fastening portion has an actuating opening and closing mouth, and the movement is opened when the display is rotated forward relative to the main body. The σ system is large when %^%, and when the display is difficult to cooperate with the social cooperation, the opening and closing of the operation is smaller than the normal state, so that the display cooperates with the host to achieve the function of opening and closing the light. The ΓΓ ΓΓ wrap-around hinge has different reversing torques, and the special 'α纽益 with loose and close function has the function of opening and closing the light, so that the user can easily open the screen with lighter force, and when the cover is closed, By making the opening and closing opening smaller, the torque is increased, and the screen can be prevented from falling automatically against the body due to its own weight. However, due to the light-weight function, when the opening of the screen is about 135 degrees to (10) degrees 201122253, the screen cannot be supported and the screen is lowered, which causes inconvenience in use or damage to the product. Therefore, the problem to be solved by the present invention is that the screen is opened to the rear, and the problem that it is easy to fall down due to insufficient torque cannot be supported. SUMMARY OF THE INVENTION The main object of the present invention is to provide a wrap-around hinge that has a light-weighted wire and increases the torque when it is opened to the rear to support the firefly. After falling, the impact damage will affect the life of the product and increase the convenience of use. In order to achieve the above object, the technical means adopted by the wrap-around hinge of the present invention comprises: a mandrel having a shaft, the shaft is provided with a face; the cover member is sleeved with the shaft, and is provided with a The axial opening is formed and formed with a plane having a distance from the center line of the covering member that is smaller than the inner half φ 26 ′ of the covering member and the plane width is smaller than the width of the cutting plane of the shaft so that the plane does not contact the cutting surface. The covering member enables the hinge to have the effect of opening and closing the weight; when opening, the plane of the covering member rotates within the range of the cutting surface of the shaft, and does not contact the arc surface of the shaft, and the torque is small at this time. At the very least, it has a light wire that can be easily opened with one hand. When the screen is opened to the rear by about 9 degrees to 180 degrees, the plane rotation of the cover member and the arc surface contact of the shaft increases the amount of interference, thereby increasing the torque, so that the screen can be supported when the screen is opened to the rear. Drop down. When it is closed, the torque of the cover is increased by 201122253, so as to avoid the screen automatically falling off the impact body. A further technical means adopted by the invention of the coated hub comprises: a mandrel having a shaft, the shaft is provided with a face, the shaft is formed with the face and a circular face; the cover member' The utility model has a circular tubular shape and is sleeved on the shaft rod, and is provided with an axial opening p; wherein when the hinge is rotated, the angle range of opening the front section and the angle range of the rear opening angle are opened, and the angle of opening in the front section In the range, the covering member is rotated and rotated in the range of the cutting surface of the shaft, and at this time, the elastic expansion of the covering member is small, thereby generating a small torque. When the opening angle of the rear section is opened, the opening of the covering member rotates in the range of the circular arc surface of the shaft, and the elastic surface of the circular arc surface and the opening of the joint is larger. And it produces a large torque. Therefore, when the screen is opened to the angle range in which the rear section is opened, the torque will increase and it will be supported without falling. [Embodiment] FIG. 1 to FIG. 4 are an exploded view, a perspective view, a bottom view component exploded view, and an A-A cross-sectional view of a first embodiment of the present invention. The sun-and-moon wrap-around pivot includes: a mandrel with a cover member 2, the mandrel 1 having a shaft U, the axis 11 having a face 110, and being non-circular, and the mandrel i One end of the connector is provided with a joint portion 12' rib and fixed to the body of the electronic device. The cover member 2 is sleeved and further provided with an axial opening σ 2 to impart a radially expanding elasticity. The cover member 2 is formed with a plane 22, the plane 22 to the cover member, the distance of the line 201122253: the line is smaller than the radius of the cover member 2, and the width of the plane 22 is smaller than the width of the slice 110 of the thin rod 11, so that the plane 22 It does not touch the cut surface 110. The cover member 2 is extended with a __sheet 23, and the fixing member 23 is provided with a plurality of fixing holes ^ for fixing to the screen of the electronic device. • Refer to Figure 4_5's 4th for the hub 11_combination state diagram, and Fig. 5 is a schematic diagram of the state where the hinge is turned 90 degrees. When the screen is opened, the covering member 2 is rotated in the opposite direction of the opening 21, and the opening 21 is larger than in the normal state, and the plane 22 of the covering member 2 is rotated within the range of the cutting plane 110 of the shaft 11, and the circle not with the shaft u is rotated. The arc surface contact, at this time, the torque is small, and it is easy to open, and has the effect of opening light. Since the width of the plane 22 is smaller than the width of the facet no, the plane 22 of the cover member 2 is rotated to the extent of the n-face 110, and does not fit the face 11 形成 to form a lock. After opening to about 135 degrees, as shown in Fig. 6, the plane 22 of the covering member 2 is angled with the cutting plane 110 of the shaft 11 and the arc surface is laid, because the distance from the plane 22 to the center line of the sill-cover 2 is smaller than the package. The radius of the cover 2 is undone, and it interferes with the shaft • U. Therefore, the cover member 2 will be rotated by the angle of the cut surface 110 and the arc surface will be stretched. The shaft will be twisted to increase the torque to the domain, avoiding the screen backwards. Drop it. ^ The angle at which the plane 22 of the cover 2 interferes with the shaft n depends on the use requirements and is not limited to the above angle. The range that can be implemented is about 9 degrees to 18 degrees to open the hub to increase the torque. When the reverse is closed, the opening a of the covering member 2 becomes smaller, and the force k is added to prevent the screen from automatically falling off the impacting body, thereby achieving the effect of closing the weight. Referring to Figures 7-8, there are shown in an exploded view of the second embodiment of the present invention and a front opening angle range. In this embodiment, the plane 22' of the cover member 201122253. 2 of the first embodiment is removed, that is, the cover member 2 is a circular tube without a plane, and the shaft 11 of the mandrel 1 is still provided with a face 110, that is, the shaft 12 is formed. There is a face 110 and a circular arc surface 111, and the covering member 2 and the shaft π are in an interference fit. Wherein, when the hinge is rotated and opened, it has a range of angles in which the front section is opened. And an angle range in which the rear section is opened. When the front section is opened, the opening 21 of the covering member 2 is rotated on the shaft η. The cut surface is 11〇. The opening 21 of the covering member 2 is rotated in the range of the φ circular surface m of the shaft 11 in the angular range in which the rear portion is opened, and the circular arc surface ill is in contact with both sides of the opening 21. As shown in Fig. 8, when the hinge is in the angular range A of the front opening, for example, 0 to 90 degrees, the opening 21 of the covering member 2 is rotated in the range of the cutting surface 110 of the shaft U. As shown in FIG. 9, when the hinge is opened at an angle range B of the rear stage, for example, 90 degrees to 180 degrees, the opening 21 of the covering member 2 is rotated in the range of the circular arc surface 111 of the shaft 11, and the arc The face U1 completely blocks the opening 21. When the angle range A of the front section is opened, since both sides of the opening 21 # of the covering member 2 are not completely in contact with the circular arc surface m of the shaft 11, the one side or both sides of the opening 21 are opened by the shaftless rod 11. The cover member 2 has a small amount of elastic expansion, thereby generating a small torque. When the angle range B is opened in the rear stage, since both sides of the opening 21 of the second covering member 2 are in contact with the arc surface lu of the shaft 11, the shaft 12 completely spreads the covering member 2 at this time. The elastic expansion amount of the covering member 2 is large, and a large torque is generated. Therefore, when the range of angles at which the rear section is opened, the torque will increase, and it will be supported without falling. The angle range in which the front section is opened and the angle range in which the rear section is opened are determined according to the usage requirements, and are not limited to the angles described in 201122253. Although the present invention discloses a side frequency embodiment for achieving the above object, but it also earns the structure of the present invention, and any ordinary person who is difficult to lay down should know that 'the technical spirit of the present day is τ, any light m Variations or modifications are possible and are covered by the scope of the patent application in this case. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded view of the first embodiment of the present invention.
第2圖，係本發明第一實施例之組合立體圖。 第3圖，係本發明第一實施例之仰視元件分解圖。 第4圖’係本發明第2圖之A_A剖視圖。 第5圖’係本發明開啟至90度的示意圖。 第6圖’係本發明開啟至135度的示意圖。 第7圖，係本發明第二實施例之元件分解圖。 第8圖，係本發明第二實施例於前段開啟的角度範圍之示意 圖。 第9圖’係本發明第二實施例於後段開啟的角度範圍的示意 圖。 【主要元件符號說明】 1、心軸 11、軸桿 110、切面 111、圓弧面 12、結合部 2、包覆件 21、開口 22、平面 201122253 23、固定片 24、固定孔Fig. 2 is a perspective view showing the combination of the first embodiment of the present invention. Fig. 3 is an exploded view of the bottom view element of the first embodiment of the present invention. Fig. 4 is a cross-sectional view taken along line A-A of Fig. 2 of the present invention. Figure 5 is a schematic illustration of the invention being opened to 90 degrees. Figure 6 is a schematic illustration of the invention being opened to 135 degrees. Figure 7 is an exploded view of the second embodiment of the present invention. Fig. 8 is a schematic view showing an angular range opened in the front stage of the second embodiment of the present invention. Fig. 9 is a schematic view showing the angular range of the second embodiment of the present invention opened in the rear stage. [Description of main components] 1. Mandrel 11, shaft 110, section 111, arc surface 12, joint 2, cover 21, opening 22, plane 201122253 23, fixing piece 24, fixing hole
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