1296317 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種單向離合器 之單向離合器。 尤指一種適用於車輛1296317 IX. Description of the Invention: TECHNICAL FIELD The present invention relates to a one-way clutch for a one-way clutch. Especially suitable for vehicles
【先前技術】 於-般車輛内，依結構設計方式而會於車輔内組設有 一早向離合器。 10 請參閱圖1係習知單向離合器之爆炸圖、及圖2係圖工 之側視圖，傳統上，其會包括有一内輪82、以及—外輪9， 且内輪82會包括有一軸孔環壁82卜外輪9會包括有一二孔 91、以及三個袋部92。 15 20 其中，外輪9之軸孔91係同軸環套内輪82之軸孔環壁 ⑵並樞設於内輪82上，外輪9之三個袋部％係等角度分佈 而軸向開設於軸孔91外側、並分別連通軸孔91，且此三個 袋部92分別包括有-袋底表面阳，其係純向呈傾斜狀並 形成有一相對寬部921、以及一相對窄部922。 此外，外輪9會包括有三個滾子93,其係分別容置於三 個衣α卩92内，且外輪9會包括有三個彈性組件94，其係分別 頂抵於滾子93。 另外，一般而言，上述之内輪82係會連接至一動力源 81(例如電動馬達），此動力源81之旋轉動力可經由内輪以 而傳遞至外輪9。 5 (S) 1296317 因此’當動力源81之旋轉動力傳入内輪82而使内輪82 方疋轉時’彈性組件94所具有之彈性預力會分別頂抵外輪9之 滾子93使其朝向相對窄部922滾動，此時，滾子93會與内輪 82之軸孔環壁821產生頂抵作用，而使内輪82之旋轉動力傳 5 遞至外輪9而使外輪9轉動。 虽外輪9轉動並使轉速提高至一定程度後，彈性組件94 之彈丨生預力無法再支持滾子93，故滾子93會滚動至相對寬 邛921 ’進而將内輪82與外輪9之旋轉動力切開，而達成所 謂單向離合器之功能。 1〇 然而，上述外輪9之袋底表面923係為一曲面狀並為單 曲率亦即袋底表面923係以同一曲率之曲面連接相對寬 部921與相對窄部922,故當外輪9之轉速於臨界轉速、或是 轉速不穩定之情形下，滾子93並無法定位於-停止位置而 會產生則後滾動（跳動）之情形，如此，將會造成滾子％產生 15磨耗之問題，並會發生敲擊音、動力損失等現象，實非十 分理想。 【發明内容】 本lx明係可使外輪之滾子定位於一停止位置而不會產 生前後滚動（跳動）之情形，並因此可避免滾子產生敲擊曰音、 磨耗，且動力不會因此產生損失。 因此’本發明係、為-種單向離合器，其包括有-内輪、 以及外輪’、中，内輪凸設有一軸孔環壁，外輪則包括 有-軸孔、至少-袋部、以及至少一滾子。 20 1296317 述卜輪之軸孔係同轴環套内輪之轴孔環壁並柩設於 至少—袋部係軸向開設姉孔外側並連通轴孔， :至少-袋部包括有一袋底表面，此袋底表面係呈徑向傾 斜狀並形成有—相對寬部、以及—相對窄部至於至少一 滾子則容置於至少—袋部内並鄰接於内輪之轴孔環壁。 本發明之特色在於上述外輪之至少一袋部之袋底表面 ,相對寬部並徑向向外凹設有一容納凹槽、 少一滾子。[Prior Art] In the general vehicle, an early clutch is provided in the vehicle auxiliary group according to the structural design. 10 Referring to FIG. 1 is an exploded view of a conventional one-way clutch, and FIG. 2 is a side view of a drawing machine. Traditionally, it will include an inner wheel 82 and an outer wheel 9, and the inner wheel 82 will include a shaft hole ring wall. The outer wheel 9 will include one or two holes 91 and three pocket portions 92. 15 20, wherein the shaft hole 91 of the outer wheel 9 is a shaft hole ring wall (2) of the coaxial ring inner wheel 82 and is pivotally disposed on the inner wheel 82. The three pocket portions of the outer wheel 9 are equiangularly distributed and axially opened in the shaft hole 91. The outer side and the shaft hole 91 are respectively connected, and the three pocket portions 92 respectively include a bottom surface of the pocket, which is inclined in a pure direction and is formed with a relatively wide portion 921 and a relatively narrow portion 922. In addition, the outer wheel 9 will include three rollers 93 that are respectively received within three garments 卩 92, and the outer wheel 9 will include three resilient members 94 that abut against the rollers 93, respectively. Further, in general, the inner wheel 82 described above is connected to a power source 81 (e.g., an electric motor), and the rotational power of the power source 81 can be transmitted to the outer wheel 9 via the inner wheel. 5 (S) 1296317 Therefore, when the rotational power of the power source 81 is transmitted to the inner wheel 82 and the inner wheel 82 is turned, the elastic pre-force of the elastic member 94 is respectively urged against the roller 93 of the outer wheel 9 so as to face each other. The narrow portion 922 rolls, and at this time, the roller 93 will abut against the shaft hole ring wall 821 of the inner wheel 82, and the rotational power of the inner wheel 82 is transmitted to the outer wheel 9 to rotate the outer wheel 9. Although the outer wheel 9 rotates and the rotational speed is increased to a certain extent, the elastic force of the elastic component 94 can no longer support the roller 93, so the roller 93 will roll to the relatively wide ridge 921' and the inner wheel 82 and the outer wheel 9 The rotary power is cut to achieve the function of a so-called one-way clutch. 1 , However, the bottom surface 923 of the outer wheel 9 is a curved surface and has a single curvature, that is, the bottom surface 923 of the bag is connected with a curved surface of the same curvature to connect the relatively wide portion 921 and the relatively narrow portion 922, so when the outer wheel 9 When the rotational speed is at a critical speed or the rotational speed is unstable, the roller 93 does not have a legally located-stop position, and then a rear rolling (jumping) occurs, so that the roller causes 15 wear problems. There will be knocking sounds, power loss and other phenomena, which is not very ideal. SUMMARY OF THE INVENTION The present invention can position the roller of the outer wheel in a stop position without causing front and rear rolling (jumping), and thus can prevent the roller from being hit and beat, and the power is not generated. Therefore, losses are incurred. Therefore, the present invention is a one-way clutch including an inner wheel and an outer wheel, wherein the inner wheel is convexly provided with a shaft hole ring wall, and the outer wheel includes a shaft hole, at least a pocket portion, and at least one Roller. 20 1296317 The shaft hole of the inner ring of the wheel is a shaft hole ring of the inner ring of the coaxial ring and is disposed at least in the axial direction of the bag portion to open the hole and communicate with the shaft hole, at least - the bag portion includes a bottom surface of the bag, The bottom surface of the bag is radially inclined and formed with a relatively wide portion, and a relatively narrow portion to which at least one roller is received in at least the pocket portion and adjacent to the shaft hole ring wall of the inner wheel. The invention is characterized in that the bottom surface of the at least one bag portion of the outer wheel is oppositely wide and radially outwardly recessed with a receiving groove and a roller.
10 15 20 因此，上述結構係當外輪之滾子滾動i袋部之相對寬 部時’可容納並因此定位於相對寬部所徑向向外凹設之容 納凹槽内’藉以使外輪之滾子定位於—停止位置而不會產 生前後滾動（跳動）之情形，仙此可避免滾子產生敲擊音、 磨耗等問題，且動力不會因此產生損失。 曰 上述外輪之至少一袋部之袋底表面與容納凹槽可分別 呈曲面狀、並可分別具有不相同之曲率。 此外，上述外輪之至少一袋部之數量可為三，且可等 角度分佈軸向開設於外輪之軸孔外侧。 /另外，上述外輪之至少一袋部可包括有一彈性組件， 其係可對應頂抵於至少一滾子。前述之彈性組件可包括有 一彈簧、以及一頂抵件，|彈簧可具有一彈性預力 頂抵件對應頂抵於至少一滾子。 /、’、使 【實施方式】 (§) 1296317 請同時參閱圖3係本發明一較佳實施例之爆炸圖、及圖 4係圖3之側視圖，其中顯示本發明之單向離合器係使用於 一機車（圖未示）之電動啟動功能，且其包括有一内輪2、以 及一外輪1。 於圖式中，内輪2凸設有一軸孔環壁21，且内輪2係連 接至一動力源3並接收其旋轉動力，外輪丨則包括有一軸孔 11、二個袋部12、三個滾子15、以及三個彈性組件17。於 本實施例中，動力源3係為一機車（圖未示）之電動馬達（圖未 示）。10 15 20 Therefore, the above structure is such that when the roller of the outer wheel rolls the relatively wide portion of the i-pocket portion, it can be accommodated and thus positioned in the accommodating recess recessed radially outward of the relatively wide portion. The sub-position is located at the stop position without causing back-and-forth rolling (jumping). This can prevent the roller from producing knocking, abrasion, and the like, and the power will not be lost.袋 The bottom surface of the at least one pocket of the outer wheel and the receiving groove may be curved, respectively, and may have different curvatures. In addition, the number of the at least one pocket portion of the outer wheel may be three, and the angled distribution may be axially opened outside the shaft hole of the outer wheel. Additionally, at least one of the pockets of the outer wheel may include a resilient member that is responsive to the at least one roller. The aforementioned elastic assembly may include a spring and a top abutment, and the spring may have a resilient pre-stressing abutting member corresponding to the at least one roller. /, ', [Embodiment] (§) 1296317 Please also refer to FIG. 3, which is an exploded view of a preferred embodiment of the present invention, and FIG. 4 is a side view of FIG. 3, showing the use of the one-way clutch of the present invention. The electric starting function of a locomotive (not shown) includes an inner wheel 2 and an outer wheel 1. In the figure, the inner wheel 2 is convexly provided with a shaft hole ring wall 21, and the inner wheel 2 is connected to a power source 3 and receives its rotational power. The outer rim includes a shaft hole 11, two pocket portions 12, and three rollers. Sub 15 and three elastic components 17. In the present embodiment, the power source 3 is an electric motor (not shown) of a locomotive (not shown).
此外，圖式中之外輪1之軸孔11係同軸環套上述内輪2 之軸孔環壁21、並因此同軸樞設於内輪2上，且外輪丨之三 個袋部12係等角度平均分佈並分別軸向開設於軸孔"外 侧、並分別連通軸孔U，同時’此三個袋部12分別包括有 -袋底表面18 ’每-袋底表面18係分別呈徑向傾斜狀並因 此形成有一相對寬部13、以及一相對窄部14，而三個滾子 15係分別容置於三個袋部12内、並分別鄰接於内輪2之軸孔 環壁21。 另外，上述外輪1之每一個袋部12袋底表面18之相對寬 部！3並徑向向外凹設有一容納凹㈣、並分別對應容納每 20 一個滾子1 5。 於本實施例中，上述外輪丨之每一個袋部12之袋底表面 難容納凹槽_分別呈曲面狀、並分別具有不相同之曲 率。當然，袋底表面18與容納凹槽16之至少其中之一亦可 (§) 1296317 呈直線狀，或其兩者都可呈直線狀，且於設計時，容納凹 槽16之大小可容納滾子15即可。 又於本實施例中，上述外輪1之每一個袋部丨2之彈性 組件1J分別包括有一彈簧171、以及一頂抵件172，且其中 5之彈簧171具有—彈性預力，其係使頂抵件172分別對應頂 抵於每一個滾子15。 上述結構之作動過程如後說明。當按下機車（圖未示） 之電動開關（圖未示）而進行電動啟動功能時，動力源3之電 動馬達（圖未示）會開始產生旋轉，於本實施例中，係為逆時 10 針叙轉’且動力源3會將其旋轉動力傳遞至内輪2，此時， 外輪1尚未開始旋轉。 當内輪2轉動並且轉速提高時，因為内輪2之軸孔環壁 21與外輪1之滾子15之間之摩擦力、以及外輪1袋部12之彈 性組件17頂抵滾子15之作用，而使外輪1之滾子15會於袋部 15 12内沿著袋底表面18滾動，並且滾子15會滾動至相對窄部 14，此時，滾子15會頂抵於軸孔環壁21，故會使内輪2之旋 轉動力經由滾子15頂抵於轴孔環壁21之作用而帶動外輪1 逆時針轉動。 之後，外輪1會開始轉動，並且當其轉速提高後，外輪 20 1袋部12之彈性組件17之彈性預力已不足以再支持滾子 15，此時，滾子15會於袋部12内再沿著袋底表面18滾動至 相對寬部13，且内輪2與外輪1之動力會因此而切開，亦即 内輪2不會再轉動’而外輪1會繼續轉動’此時，外輪1可連 接至機車（圖未示）之引擎（圖未示），亦即藉由内輪2與外輪 9 1296317 1 ’可使其具有單向離合器之功能，而使機車（圖未示）以動 力源3啟動機車（圖未示）之引擎（圖未示），達成機車（圖未示） 之電動啟動功能。 請注意，當上述外輪1之滾子15沿著袋底表面18滾動至 5 相對寬部13時，滚子15會容納於容納凹槽16内，亦即上述 之結構可使外輪1之滾子15滾動至袋部12之相對寬部13 時’可谷納並因此定位於相對寬部13所徑向向外凹設之容 納凹槽16内，藉以使外輪丨之滾子15定位於一停止位置，故 當機車（圖未示）之轉速於臨界轉速、或者轉速不穩定之情況 10 下，外輪1之滾子15仍會定位於一停止位置而不會產生前後 滾動（跳動）之情形，並因此可避免外輪丨之滾子15產生敲擊 曰、磨耗等問題，且動力不會因此產生損失。 上述實施例僅係為了方便說明而舉例而已，本發明所 主張之權利範圍自應以申請專利範圍所述為準，而非僅限 15 於上述實施例。 【圖式簡單說明】 圖1係習知單向離合器之爆炸圖。 圖2係圖1之側視圖。 20 圖3係本發明一較佳實施例之爆炸圖。 圖4係圖3之側視圖。 【主要元件符號說明】 外輪1 軸孔11 袋部12 1296317 相對寬部13 相對窄部14 滾子15 容納凹槽16 彈性組件17 彈簧171 頂抵件172 袋底表面18 内輪2 軸孔環壁21 動力源3 動力源81 5 内輪82 軸孔環壁821 外輪9 轴孔91 袋部92 袋底表面923 相對寬部921 相對窄部922 滾子93 彈性組件94In addition, in the figure, the shaft hole 11 of the outer wheel 1 is coaxially looped around the shaft hole ring wall 21 of the inner wheel 2, and thus coaxially pivoted on the inner wheel 2, and the three pocket portions 12 of the outer rim are equally distributed at equal angles. And axially opening on the outer side of the shaft hole respectively, and respectively connecting the shaft hole U, and at the same time, the three pocket portions 12 respectively include a bottom surface 18 of the bag - each of the bottom surface 18 of the bag is radially inclined and Thus, a relatively wide portion 13 and a relatively narrow portion 14 are formed, and the three rollers 15 are respectively received in the three pocket portions 12 and are respectively adjacent to the shaft hole ring wall 21 of the inner wheel 2. In addition, the relatively wide portion of the bottom surface 18 of each pocket portion 12 of the outer wheel 1 described above! 3, and a recessed (four) recess is arranged radially outwardly, and each of the rollers 15 is correspondingly accommodated. In the present embodiment, the bottom surface of each of the pocket portions 12 of the outer rim is difficult to receive the grooves _ respectively in a curved shape and have different curvatures. Of course, at least one of the bottom surface 18 of the bag and the receiving groove 16 may be linear in shape (§) 1296317, or both of them may be linear, and the receiving groove 16 is sized to accommodate the roll when designed. Sub 15 can be. In this embodiment, the elastic components 1J of each of the bag portions 2 of the outer wheel 1 respectively include a spring 171 and a top abutting member 172, and wherein the spring 171 of the 5 has an elastic pre-force, which is a topping The abutting members 172 respectively correspond to the top rollers 15 . The operation of the above structure will be described later. When the electric start function is performed by pressing an electric switch (not shown) of the locomotive (not shown), the electric motor (not shown) of the power source 3 starts to rotate. In this embodiment, it is reversed. The 10-pin revolving 'and the power source 3 will transmit its rotational power to the inner wheel 2, at which time the outer wheel 1 has not started to rotate. When the inner wheel 2 rotates and the rotation speed is increased, the friction between the shaft hole ring wall 21 of the inner wheel 2 and the roller 15 of the outer wheel 1 and the elastic assembly 17 of the outer bag 1 portion 12 abut against the roller 15 The roller 15 of the outer wheel 1 will roll along the bottom surface 18 of the bag portion 15 12, and the roller 15 will roll to the relatively narrow portion 14, at which time the roller 15 will abut against the axial hole ring wall 21, Therefore, the rotational power of the inner wheel 2 is driven by the top of the roller 15 against the shaft hole ring wall 21 to drive the outer wheel 1 to rotate counterclockwise. After that, the outer wheel 1 will start to rotate, and when the rotation speed thereof is increased, the elastic preload of the elastic member 17 of the outer bag 20 1 bag portion 12 is insufficient to support the roller 15 again. At this time, the roller 15 will be inside the bag portion 12. Then rolling along the bottom surface 18 of the bag to the relatively wide portion 13, and the power of the inner wheel 2 and the outer wheel 1 will be cut, that is, the inner wheel 2 will not rotate 'and the outer wheel 1 will continue to rotate'. At this time, the outer wheel 1 can be connected. The engine (not shown) to the locomotive (not shown), that is, the inner wheel 2 and the outer wheel 9 1296317 1 ' can be made to have the function of a one-way clutch, so that the locomotive (not shown) is activated by the power source 3 The engine of the locomotive (not shown) (not shown) achieves the electric start function of the locomotive (not shown). Please note that when the roller 15 of the outer wheel 1 is rolled along the bottom surface 18 of the bag to the 5th wide portion 13, the roller 15 is accommodated in the receiving groove 16, that is, the above structure can make the roller of the outer wheel 1 When the roller 15 is rolled to the opposite wide portion 13 of the pocket portion 12, it can be positioned in the accommodating recess 16 which is recessed radially outwardly of the relatively wide portion 13, so that the roller 15 of the outer rim is positioned at a stop. Position, so when the speed of the locomotive (not shown) is at the critical speed or the speed is unstable, the roller 15 of the outer wheel 1 will still be positioned at a stop position without rolling back and forth (jumping). Therefore, it is possible to prevent the roller 15 of the outer rim from causing problems such as knocking, abrasion, and the like, and the power is not lost. The above-described embodiments are merely examples for the convenience of the description, and the scope of the claims is intended to be limited to the above embodiments. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded view of a conventional one-way clutch. Figure 2 is a side view of Figure 1. 20 is an exploded view of a preferred embodiment of the present invention. Figure 4 is a side view of Figure 3. [Main component symbol description] outer wheel 1 shaft hole 11 pocket portion 12 1296317 relatively wide portion 13 relatively narrow portion 14 roller 15 receiving groove 16 elastic assembly 17 spring 171 abutting piece 172 bottom surface 18 inner wheel 2 shaft hole ring wall 21 Power source 3 Power source 81 5 Inner wheel 82 Shaft hole ring wall 821 Outer wheel 9 Shaft hole 91 Bag portion 92 Bag bottom surface 923 Relative width 921 Relative narrow portion 922 Roller 93 Elastic assembly 94