1308123 九、發明說明： 【發明所屬之技術領域】 本發明涉及制腳踏車階_輪換_變速裝置。 【先前技術】 魏嶋車-般齡錢秘手㈣#位置設置一 變速襞 置’騎乘者藉由操作該變速裝置可以將鏈條撥移到階級鏈輪的稽 • 位上，從而達到變速效果。 習知的腳踏車變速裝置種類有多種，但結構大多較為複雜， 製造成本較高。 【發明内容】 本發明主要在於提供—種結構較精簡，從硫降低製造成為 的腳踏車用變速裝置。 t月所提i、之變速裝置的特徵，是利用撥動—把手來控希 ，速’換。之’將把手往第—方向撥動時，得以拉緊鋼線，進汗 藉鋼線讀撥動器往一方向將鏈條撥移到階級鍵輪的其中一书 往!，方向撥動把手時，則得以釋放鋼線，進而藉由南 、’：▼、、動為在相反的方向將鏈條撥移到階級鍵輪的另一槽位 上，以達到控制變速的效果。 本發明的技術手段，包括具有以栓槽輛做為 ， 該中心軸依序串設一線輪A ^ 線輪座、-制動座、—把手及一板體 1308123 線輪座具鍋郎，觸設有分別位 於1同:_列第，與第二棘齒，所述働座無法和該中 心軸相對_，機觸_樞設麵合於該第—_的第 mr塊；所述把手設有用_合該第二棘齒的活動棘 回，且把手與射叫和麵職板體結合於該把手， 並在該板酸把手⑽設有職元件；制者往第—方向撥動把 手時’得以使活動棘輪驅動該線輪座旋轉，並利用所述第一制動 ==棘齒以防止線輪座逆轉’從而拉緊纏繞於線輪座的 Γ，當㈣二方向撥動把手時，則把手驅使第一制動塊脫離對 第-棘齒的抵擎’讓線触回轉以釋放拉緊的鋼線，同時驅使第 二制動塊抵掣於第，齒，以防止線輪座一次回復至原點。 本發明可輯驗_做祕座种叫，並树輪座設置 可以和該栓難配合的栓槽孔，使得線輪座可以串設於中心轴， 但無法和中心軸相對旋轉。 本發明的第-制動塊主要絲防止線輪座往第—方向旋轉後 再往回旋轉，因此，較佳方式是使第—制動塊形成為〈形的塊體， 精由〈形的碰的第-端抵掣於線輪蘭第—棘絲防止線輪座 回轉；而欲使線輪座回轉時，則藉由把手推動〈形的塊體的第二 端，進而使第-端脫離對第—棘齒的轉，便能藉由彈性元件的 彈力作用課線輪座回轉。 為了避免線輪座，__間回復到原始位置，本發明的第 1308123 二制動塊乃在於提·歇式阻制的功能；亦即當第-制動塊的第 -端脫離對線輪座之第-棘缺掣的咖，該第二綱塊立刻補 位來抵掣該第一棘齒。 對於先前技躺言’本發日_構較精簡，製造成本較低， 且換檍變速的控制更為確實。 【實施方式】 乂下配。圖式及70件符號對本發明的實施方式做更詳細的說 月俾使熟％該項技術領域者在研讀本說明書後能據以實施。 請參閱第-圖，本發明提供的變速裝置，包括有一基座i、一 線輪座2、-制動座3、一把手4與—板體5。其中，基座】是用 來固定於腳踏車把手骨架上的座體，其上狀有—中心軸u ;較 佳的實施例，該中心轴11是—種栓槽軸，並在中心軸η的端部 設置—適當長度的外螺紋111。 所述線輪座2的較佳實施例為圓形的座體，其—端面設有線 槽21 ’該線槽21可供纏繞鋼線7 ;線輪座2的端面設有轴向凹入 的内工間20’該内空間2〇的内徑壁面設有分別位於不同位置的系 列第-棘齒22與第二棘齒22Α，該線輪座2乃套置於基座i上， 並使中心軸11穿過線輪座 2的中心。 所述制動座3的較佳實施例，具有軸向延伸的側壁犯，該側 壁的適當錄具有較A的厚度，並在雜大厚度_壁設置兩個 1308123 分別位於較高及較低位置’且貫通外徑與内徑的第一槽孔322與 第二槽孔323,以及在侧壁設置兩個平行於制動座3中心軸向的樞 孔321，該第一槽孔322與第二槽孔323内分別樞設一第一制動塊 34與第二制動塊35，制動座3的中心則設有可以配合所述检槽軸 的栓槽孔亂所述第-制動塊34的較佳實施例為〈形塊體，該〈 形塊體置於第-槽孔322中後，以一樞軸樞設於所述一框孔321， 使得〈形塊體的第-賴與第二端342分別露出側壁32的外徑 =徑表面。第二制動塊35的較佳實施例為扇形塊體，該扇形塊 =弧形表面設有複數齒部351，該扇形塊體置於第二槽孔323 樞設於所述另—樞孔321，並使扇形塊體的弧形 =的制動座3則置於線輪座2的内空，使=一= 塊34的第-端341與第 使传弟-制動 22。 弟一制動塊35的齒部剡對應於第一棘齒 所述把手4的-端具有—軸部4 心孔42 ’具有中心孔42的把手該端 7另一端設有一中 緣43樞設有一活動棘歯封 ^面叹有-凸緣43，該凸 ㈣，該彈簧45將活動棘齒居 攸有圓圈形狀的彈 作用於活動棘齒44而驅 緣43，並且藉由彈簧奶 凸緣43的把手4另料#方向移動；相對於 不連續的凸環46,因而在&凹陷空間’該凹陷空間底 面設有 形成有兩端部461。所述把手的 1308123 凹陷空間則覆設前述板體5，該板體5的較佳實施例是在其中心設 置一對應前述栓槽軸的栓槽孔51，該板體5的一側面設有第一凸 條52與第二凸條53 ’以及在板體5的一侧面設置一彈性元件；該 弹性讀的較佳實施例為扭力彈簧54,該扭力彈簧54的兩端分別 抵罪於第-凸條52與第二凸條53的端部（如第四a圖所示）， 因此’當推動部41往第一方向或相反的第二方向撥動時，設於把 手4的凸環46端部樹紐縮扭力彈簧54(如第圖所示）， 讓扭力儲挪力，_在《把㈣_所齡的彈力讓把 手自動回復原位。板體5則覆蓋於把手4的凹陷空間，且使检槽 軸穿過栓槪51後’再明帽13鎖於外歡m，最後將—蓋板 6覆蓋於板體5上’以完成難魏裝置敝合。其組合後的結 如第二圖及第三圖所示。 本發輕速裝置可以提供於安裝在—般的腳踏車把手骨架上 (如第七圖所示）’也可以安裝於赛車型腳踏車的把手骨架(如第八 纛圖所示）;本發明變速裝置的操作方式說明如后：^ 第五A圖顯示本發明變速裝置組合後之結構之俯視平面圖， 圖中顯示把手4在未受到外蝴的狀況下，第-制動塊34與第 了制動塊35同時抵掣於線輪座2的第—棘齒22。第五b圖則顯示 田把手4彺第-方向撥動時，設於把手的活動棘齒私會推動—第 二棘齒22A，進而使線輪座2旋轉—角度，以拉緊纏繞於_ ^ 的鋼線7，再由鋼線7拉動用來撥移鏈條的撥動器（圖中未顯 1308123 齒44推動-第鏈^在階級鏈輪上依序變換至高槽位。所述活動棘 藉由扭力㈣麟，使財蝴細把手4, 的撥動；在活動棘齒44棘齒44回復原位，以祕下一次 -端拗抵章於其卜;^原位的過程中，第—鑛塊34的第 I 棘齒22，以防止線輪座2受到活動棘 ω44的摩擦力作用而隨著抱手的回復原位而回轉。 圖顯示本發明變速裝置已變換至最高樓位的狀態，此 線^塊34»的第-端341抵掣於其中一第一棘齒找 ，以防止 =座2回轉。第六Β圖則顯示要從高標位變換回低槽位時，使 ιΓΓ弟二方向撥動把手4，當把手4被往第二方向撥動時， 4之凸緣43的端部431乃依序推動第二制動塊35與第 外1塊34的第二端342,使得第二制動塊犯的齒部咖抵擎於 ς棘齒22’而第-制動塊34的第一賴則因第二受到 =旋轉’以致於脫離對第—棘齒22的抵掣；此時纏繞於線輪 座22亚觉到拉緊的鋼線7開始釋放，讓線輪座22往回旋轉，在 ^撥動-次把手即回位-角度的操作下，直至完全回復至原始槽 以上所述者，鶴本發明讀佳實補而已，當不能以此限 疋本發明實施之麵’即大凡依本發明申請專魏圍及專利說^ 書内容所作之簡單的紐變化與修飾，皆應仍屬本發明專利涵= 之摩t圍内。 1308123 【圖式簡單說明】 第一_顯示本發速裝置主要元倾合獅之實施例立體分 解圖。 第二圖為顯示本發明變魏置外觀之實施例立體圖。 第三圖為顯示本發明變狀置之實施·視平面剖視圖。 帛四a __本㈣之把手與雜树組合、轉之實施例平面 視圖。 •第四6圖為第四A圖之動作圖。 第五A圖為顯示本發明變速裝置之驅動與制動結構之實施例平面 圖。 2五B圖為顯示本發明之把手往第一方向旋轉，以驅動線輪座往 第一方向旋轉之實施例平面動作圖。 第六A圖為顯示本發明之把手往第一方向旋轉到盡頭並放開後， 使把手回鶴蚊實麵平购作目。 ^ 一圖為顯不本發明之把手往第二方向旋轉，以釋放線輪座往 一方向紅轉之實施例平面動作圖。 =為顯林發明安裝於一般腳踏車把手上之實施例示意圖。 圖為顯林發日裝於赛車型腳踏車把手上之實施例示意 11 1308123 【主要元件符號說明】1308123 IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a bicycle step_rotation_shifting device. [Prior Art] Wei Wei car - the age of money secret hand (four) # position setting a shifting device 'The rider can shift the chain to the position of the class sprocket by operating the shifting device, thereby achieving the shifting effect . There are many types of conventional bicycle shifting devices, but the structures are mostly complicated and the manufacturing cost is high. SUMMARY OF THE INVENTION The present invention has been made in an effort to provide a bicycle shifting device which is relatively compact and has been manufactured from a reduced sulfur. The feature of the shifting device mentioned in t. is to use the toggle-handle to control the speed and speed. 'When the handle is moved in the direction of the first direction, the steel wire can be tightened, and the sweat is transferred to the one of the class key wheels by the steel wire reading dial in one direction! When the handle is turned Then, the steel wire is released, and then the shifting effect is controlled by shifting the chain to the other slot of the class key wheel in the opposite direction by the south, ':▼,. The technical means of the invention comprises the steps of: arranging a reel A ^ reel seat, a brake base, a handle and a plate body 1308123 There are respectively the same: _ column, and the second ratchet, the cymbal cannot be opposite to the central axis, and the machine touches the yoke to the mth block of the first _; the handle is provided _ combining the active ratchet of the second ratchet, and the handle is coupled to the handle and the face plate body, and the component is disposed on the acid handle (10); when the maker moves the handle in the first direction Actuating the movable ratchet to rotate the reel seat, and using the first brake==ratchet to prevent the reel seat from reversing, thereby tightening the cymbal wound around the reel seat, and when the (four) two-direction shifting the handle, the handle is Driving the first brake block away from the anti-theft ratcheting 'turns the line to release the tensioned steel wire, and at the same time drives the second brake block against the first tooth to prevent the reel seat from returning to the origin once . The invention can be used to verify the _ the secret seat type, and the tree wheel seat is provided with a bolt slot which can be difficult to match with the bolt, so that the reel seat can be arranged in series on the central axis, but cannot rotate relative to the central axis. The first brake block main wire of the present invention prevents the reel seat from rotating back in the first direction, and therefore, the preferred method is to form the first brake block into a <shaped block, which is precisely shaped by The first end is in contact with the reel - the spine prevents the reel seat from rotating; and when the reel seat is rotated, the second end of the shaped block is pushed by the handle, thereby disengaging the first end The rotation of the first-ratchet can be rotated by the elastic force of the elastic element. In order to avoid the reel seat, __ returns to the original position, the 1308123 second brake block of the present invention is in the function of lifting and resting; that is, when the first end of the first brake block is disengaged from the reel seat The first-spine-deficient coffee, the second block immediately complements the first ratchet. For the previous technical lie, the current day is simpler, the manufacturing cost is lower, and the control of the shifting speed is more certain. [Embodiment] Underarms are equipped. The drawings and the 70 symbols are used to describe the embodiments of the present invention in more detail. The skilled person in the art can implement the present specification after studying the present specification. Referring to Fig. 1, the shifting device provided by the present invention comprises a base i, a reel seat 2, a brake base 3, a handle 4 and a plate 5. Wherein, the pedestal is a seat body fixed on the skeleton of the bicycle handle, and has a central axis u thereon; in a preferred embodiment, the central shaft 11 is a type of spigot shaft and is at the central axis η The end is provided - an external thread 111 of a suitable length. The preferred embodiment of the reel base 2 is a circular base body, the end surface of which is provided with a wire groove 21'. The wire groove 21 is for winding the steel wire 7; the end surface of the wire wheel base 2 is provided with an axial concave shape. The inner diameter wall of the inner space 20' is provided with a series of the first ratchet 22 and the second ratchet 22, respectively, at different positions, and the reel seat 2 is placed on the base i, and The center shaft 11 passes through the center of the reel base 2. The preferred embodiment of the brake base 3 has an axially extending side wall, the side wall of which is appropriately recorded to have a thickness of A, and the two walls 1168123 are located at the upper and lower positions respectively. And passing through the first slot 322 and the second slot 323 of the outer diameter and the inner diameter, and providing two pivot holes 321 parallel to the central axial direction of the brake base 3 on the side wall, the first slot 322 and the second slot A first brake block 34 and a second brake block 35 are respectively disposed in the hole 323. The center of the brake base 3 is provided with a bolt slot that can cooperate with the slot shaft to facilitate the implementation of the first brake block 34. For example, the <shaped block, after the shaped block is placed in the first slot 322, is pivotally disposed on the frame hole 321 by a pivot, so that the first and second ends 342 of the shaped block The outer diameter of the side wall 32 is exposed to the diameter surface. A preferred embodiment of the second brake block 35 is a fan-shaped block, and the sector-shaped block has a plurality of teeth 351 disposed on the curved surface, and the sector-shaped block is disposed in the second slot 323 and is pivotally disposed on the other-portion 321 And the brake seat 3 of the arc-shaped block of the sector block is placed in the inner space of the reel base 2 so that the first end 341 of the block = 14 and the second passer-brake 22. The tooth portion of the brake block 35 corresponds to the first ratchet. The end of the handle 4 has a shaft portion 4, the core hole 42' has a handle with a central hole 42. The other end of the end portion 7 is provided with a middle edge 43. The movable ratchet seal sighs a flange 43, the convex (four), the spring 45 acts on the movable ratchet with a circular shape to act on the movable ratchet 44 and the drive edge 43, and by the spring milk flange 43 The handle 4 is moved in the direction of the direction # with respect to the discontinuous convex ring 46, and thus the bottom surface of the recessed space is formed with the both end portions 461 in the & recessed space. The recessed space of the handle 1308123 covers the board body 5. The preferred embodiment of the board body 5 is provided with a bolt slot 51 corresponding to the slot shaft at the center thereof. One side of the board body 5 is provided. The first rib 52 and the second rib 53' and a side surface of the plate 5 are provided with an elastic member; the preferred embodiment of the elastic reading is a torsion spring 54, and the two ends of the torsion spring 54 respectively blame the first The ends of the ribs 52 and the second ribs 53 (as shown in FIG. 4A), so that when the pushing portion 41 is moved in the first direction or the opposite second direction, the convex ring 46 is provided on the handle 4. The end of the tree torsion spring 54 (as shown in the figure), let the torque to absorb the force, _ in the "four" _ the age of the elastic force to automatically return the handle. The plate body 5 covers the recessed space of the handle 4, and the trap shaft is passed through the bolt 51, and then the cap 13 is locked to the outside, and finally the cover 6 is covered on the plate 5 to complete the difficulty. Wei equipment combination. The combined results are shown in the second and third figures. The light-speed device can be provided on the skeleton of the bicycle handle (as shown in the seventh figure). It can also be mounted on the handle frame of the racing bicycle (as shown in the eighth figure); the shifting device of the present invention The operation mode is as follows: ^ FIG. 5A is a top plan view showing the structure of the combination of the shifting device of the present invention, showing the handle 4 in the condition that the handle 4 is not subjected to the outer butterfly, the first brake pad 34 and the first brake block 35. At the same time, it is resisted by the first ratchet 22 of the reel base 2. The fifth b-picture shows that when the field handle 4 is moved in the first direction, the movable ratchet provided on the handle pushes the second ratchet 22A, and the reel seat 2 is rotated - the angle is tightened and wound on the _ The steel wire 7 of the ^, and then the steel wire 7 pulls the dial used to shift the chain (not shown in the figure 1308123, the tooth 44 pushes - the first chain ^ sequentially changes to the high slot in the class sprocket. With the torsion (four) Lin, the trickle of the fine handle 4, the movement of the ratchet 44 ratchet 44 in the active position, the next time - the end of the 拗 于 ; ; ;; ^ in the process of in situ, - the first ratchet 22 of the nugget 34 to prevent the reel base 2 from being subjected to the frictional force of the movable ratchet ω 44 and to rotate with the return of the holding hand. The figure shows that the shifting device of the present invention has been shifted to the highest position In the state, the first end 341 of the line 34» abuts against one of the first ratchets to prevent the rotation of the seat 2. The sixth map shows that when the high level is changed back to the low slot, When the handle 4 is moved in the second direction, the end portion 431 of the flange 43 of the fourth step sequentially pushes the second brake block 35 and the outer one block 34. The two ends 342 are such that the teeth of the second brake block are slammed against the spurs 22' and the first slap of the first brake dam 34 is rotated by the second to be disengaged from the first ratchet 22 At this time, the steel wire 7 wound around the reel seat 22 is suddenly released, and the reel seat 22 is rotated back, under the operation of the toggle-sub-handle, return-angle, until completely Responding to the original slot mentioned above, Heben's invention is a good complement to the present invention. When it is not possible to limit the implementation of the present invention, it is a simple change of the content of the application for Wei Wei and the patent. And the modification should still belong to the patent of the invention = = within the circumference of the motorcycle. 1308123 [Simple description of the diagram] The first _ shows the stereoscopic exploded view of the embodiment of the main element of the speeding device. Fig. 3 is a perspective view showing an embodiment of the present invention. Fig. 3 is a cross-sectional view showing the embodiment of the present invention. Fig. 4 is a plan view showing the combination of the handle and the mixed tree of the present invention. Figure 4 is an action diagram of Figure A. Figure 5A is a diagram showing the shifting device of the present invention. FIG. 5B is a plan view showing an embodiment of the present invention in which the handle of the present invention is rotated in a first direction to drive the reel seat to rotate in a first direction. FIG. After the handle of the invention is rotated to the end in the first direction and released, the handle is returned to the crane to make a purchase. ^ A picture shows that the handle of the invention is rotated in the second direction to release the reel seat to the first The plane action diagram of the embodiment in which the direction is red. = The schematic diagram of the embodiment in which the invention is installed on the handle of a general bicycle. The picture shows the embodiment of the display on the handlebar of the racing bicycle. 11 1308123 [Main component symbol description 】
1 •基座 η… …中心軸 111·· …·外螺紋 12… …螺絲 13… …螺帽 2…" •線輪座 20… …内空間 21··· …線槽 22··· …弟棘齒 22A- ••…第二棘齒 3"... ••制動座 3卜. …底座 32… …侧壁 321._ .....柩孔 322· ••…第一槽孔 323- ••…第二槽孔 33… …栓槽孔 34··· …第一制動塊 341- •…·第一端 342- •…·第二端 13081231 • Base η... Center shaft 111···External thread 12... Screw 13... Nut 2..." • Reel seat 20... Inner space 21···...Line groove 22··· ... Young ratchet 22A- ••...Second ratchet 3"... •• Brake seat 3 Bu....Base 32... Side wall 321._ ..... 322 hole 322· ••...first slot 323- ••...Second slot 33...too slot hole 34···...first brake block 341- •...·first end 342- •...·second end 1308123
35… …苐一制動塊 351·· …··齒部 4….· _·把手 4l··· …推動部 42… …中心孔 43… …凸緣 431. •…·端部 44… …活動棘齒 45... …彈簧 46- …凸環 461. …··端部 5…. ••板體 51·.. …栓槽孔 52·.· …弟凸條 53··. …第二凸條 54·.. …扭力彈簧 6…. ••蓋板 7..·. ••鋼線35... 苐 制动 制动 制动 制动 制动 制动 制动 齿 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手 把手Ratchet 45...spring 46- ...convex ring 461. ...··end 5....••plate body 51·.. ...bolt hole 52·.·...弟凸条53··....Second Bulge 54·.....torsion spring 6.... ••Cover 7..·.••Steel wire