201107088 六、發明說明： 【發明所屬之技術領域】 本發明涉及手工具的技術領域，尤其a 輪扳手的扭力輸出機搆改良。 θ種棘 【先前技術】 早期的棘輪板手’是在一施力單元的端部 頭’頭外露出-插入件。在頭内安裳—棘輪 • 和—選向裝置，此棘輪傳動機構會傳動插入 且旋轉方向由選向裝置來決定，使插入件產生，轉’ 掣作用。如此一來，只要讓多邊形的插入件插i ° = 茼中，並在一螺鎖用途的工件上面套住套筒，即沪利 用施力單元的來回擺動’達到鎖緊或旋鬆工件=效 能。 > 眾所周知，只有鎖緊或旋鬆的剎那間，需要板手 對工件施予最大的扭力值；其餘時間，即使以手指也 鲁 能扭轉呈鬆動狀的工件。但是，施力單元的擺動，因 習慣而有角度範圍的限制，遠比自轉性的扭動速率還 慢。更何況，來回擺動期間的插入件、套筒等平穩度 不易維持，鬆動的工件會造成扳手晃動的缺點。 針對上述弊端’手工具業者研發一種輸出大、小 扭力值的棘輪扳手。參考ΕΡ 0486710、US 4545267、 US 5105688、US 6070499、WO 8803999、WO 9207692 及台灣公告第494828號等專利案可知，此類棘輪扳 手的主要構造，是將一轉轴置入施力單元的内部，此 201107088 輪，並在：： 設一嚙接棘輪傳動機構的齒 亚，另端結合一握持單元。除了鬆緊工件的 間^要棘輪扳手輸出最大扭力以外，其餘時間， i要 轉握持單元，即可傳輸動力至棘輪傳動機 工件ΐ;外的插入件旋轉’並以較小的扭力驅動201107088 VI. Description of the Invention: [Technical Field] The present invention relates to the technical field of hand tools, and in particular to the improvement of the torque output mechanism of a wheel wrench. θ species of spines [Prior Art] The early ratchet wrenches were exposed at the end of the end of a force applying unit. In the head, the ratchet-and ratcheting device and the selector device, the ratchet drive mechanism is inserted and the direction of rotation is determined by the selector device, so that the insert is generated and rotated. In this way, as long as the insert of the polygon is inserted into the i ° = 茼, and the sleeve is placed over the workpiece for the purpose of the screw lock, that is, the Shanghai swings back and forth with the force applying unit to achieve locking or unscrewing the workpiece. . > It is well known that only the moment of locking or unscrewing requires the wrench to apply the maximum torque to the workpiece; the rest of the time, even with the fingers, can reverse the loose workpiece. However, the swing of the force applying unit is limited by the angle range of the habit, which is far slower than the twisting rate of the rotation. What's more, the smoothness of the inserts, sleeves, etc. during the swing back and forth is not easy to maintain, and loose workpieces can cause the wrench to sway. In response to the above drawbacks, the hand tool manufacturer has developed a ratchet wrench that outputs large and small torque values. As can be seen from the patents of ΕΡ 0486710, US Pat. No. 4, 545, 267, US Pat. No. 5,105, 688, US Pat. No. 6, 070, 098, WO 8 803 999, WO 9 207 692, and Taiwan Publication No. 494 828, the main structure of such a ratchet wrench is to place a rotating shaft into the interior of the force applying unit. This 201107088 wheel is located at:: a toothed subgear with a ratcheting mechanism and a gripping unit at the other end. In addition to tightening the workpiece to the ratchet wrench to output the maximum torque, the rest of the time, i to turn the holding unit, can transmit power to the ratchet conveyor workpiece ΐ; the outer insert rotates ' and is driven with less torque
k些專师賴造，卻不勒f活擺動的 讓具備擺動的頭的扳手，也能輸出大= 就成為本發明亟需克服的難題。 f發明内容】 本發明目的之一在於，挺^/ 動的頭的扳手，也能輸出大、：兩=值讓具備擺 二=輪::機;手的結構，藉 出的動力。㈣傳動機構’得以適應傳動系統輸 單元為了=:上述目的’本發明棘輪扳手包括-施力 糸統及—頭。該施力單元兩端之-分又 系：接：可轉動的握持單元。該傳動 收握持單元的動力而:動的::二:含-主動輪’接 傳遞主動輪的動力；—樞％:，彼此嚙接並 知、* 紐早兀，與其中之一從動輪 内部安= 二:Γ結广支樓臂之間擺動，在 置;該離合機構接收樞選向裝 旋轉；該選向裝置決定插人件單向卡二用。#入件 201107088 根據上述結構組成的棘輪扳手，具備擺動的頭， 透過傳動系統輸出小扭力，且扳手本身也能輸出大扭 力值。其次，傳動系統的動力傳遞至離合機構，讓插 入件能夠對工件施予大、小扭矩，使棘輪扳手的結構 得到改善。 有關本發明所採用之技術、手段及其功效，茲舉 一較佳實施例並配合圖式詳細說明於后，相信本發明 上述之目的、構造及特徵，當可由之得一深入而具體 的瞭解。 【實施方式】 以下，基於圖式詳述實施例的具體結構。 第1圖顯示一扳手100，包括一握持單元10、一 施力單元20和一頭30。該握持單元10組裝於施力 單元20的端部且可扭動旋轉；該施力單元20另端呈 分叉狀而形成有二支撐臂21，並在兩支撐臂21之間 樞接著頭30且能予以擺動；該頭30呈扁圓形體，兩 面之一突出一插入件40，另面安裝有一按紐42和一 選向裝置50。隨著按鈕42的按壓動作，讓一珠體41 凸出於四方柱形插入件40的壁面，或使珠體41沉入 插入件40中。該選向裝置50可被撥轉，控制插入件 40執行單向卡掣作用。 該扳手100的内部構造，可以從第2、3圖得到 初步瞭解。圖中，在握持單元10及施力單元20裡面 安裝一轉軸11、一傳動系統12及一支撐軸24。該轉 軸11的局部被握持單元10包覆，二者結合為一體而 201107088 n露出握持單元1G的部分深入一 貝-晉乂’此貫孔22位於施力單元20的内部，與 一5又置在支撐臂21的容納室23相通。 輪if、傳動t統12埋設在容納室23中’包括一主動 13鎖固二干從動輪14和—拖紐單元15。該主動輪 鎖固於深入貫孔22的轉軸 聯結在一起而可自轉或==k Some specialists rely on it, but they don’t let the swinging head. The wrench with the swinging head can also output large = which is a difficult problem to be overcome in the present invention. f SUMMARY OF THE INVENTION One of the objects of the present invention is that the wrench of the head of the moving body can also output a large, two value of two to make the structure of the hand, the structure of the hand, and the power to be borrowed. (4) The transmission mechanism 'is adapted to the transmission system transmission unit. In order to = the above purpose, the ratchet wrench of the present invention includes - a force applying system and a head. The two ends of the force applying unit are: a connection: a rotatable holding unit. The transmission receives the power of the holding unit: the moving:: 2: the driving wheel of the driving wheel is connected to the power of the driving wheel; the pivoting member: the two are engaged and known, the new one is early, and one of the driven wheels Internal safety = 2: Γ 广 广 广 广 广 广 广 之间 , ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; #入件 201107088 The ratchet wrench according to the above structure has a swinging head, which outputs a small torque through the transmission system, and the wrench itself can also output a large torque value. Secondly, the power of the transmission system is transmitted to the clutch mechanism, so that the insertion member can apply large and small torque to the workpiece, and the structure of the ratchet wrench is improved. The above-mentioned objects, structures and features of the present invention will be described in detail with reference to the preferred embodiments of the present invention. . [Embodiment] Hereinafter, a specific structure of an embodiment will be described in detail based on the drawings. Figure 1 shows a wrench 100 comprising a grip unit 10, a force applying unit 20 and a head 30. The grip unit 10 is assembled to the end of the urging unit 20 and is rotatable; the other end of the urging unit 20 is bifurcated to form two support arms 21, and the head 30 is pivoted between the two support arms 21 And the head 30 is an oblate circular body, one of the two sides protrudes from the insert 40, and the other side is provided with a button 42 and a selector device 50. With the pressing action of the button 42, the bead body 41 is projected from the wall surface of the square cylindrical insert 40, or the bead 41 is sunk into the insert 40. The directional device 50 can be dialed and the control insert 40 performs a one-way click. The internal structure of the wrench 100 can be initially understood from Figures 2 and 3. In the figure, a rotating shaft 11, a transmission system 12 and a supporting shaft 24 are mounted in the holding unit 10 and the force applying unit 20. A part of the rotating shaft 11 is covered by the holding unit 10, and the two are integrated into one body. The part of the 201107088 n exposed gripping unit 1G is deep into a shell. The through hole 22 is located inside the force applying unit 20, and a 5 The storage chamber 23, which is placed on the support arm 21, is also in communication. The wheel if, the transmission system 12 is embedded in the accommodating chamber 23, and includes an active 13 locking two dry driven wheel 14 and a towing unit 15. The driving wheel is locked to the rotating shaft deep into the through hole 22 and coupled together to rotate or ==
ιί係；：广23的從動輪14及主動輪13具備嚙接 係二將握持單元10的扭力輸出至末尾的從動輪 之:：，元15呈桿狀而穿入支擇臂2"，兩端 係 >。者軸向延伸—較小直徑的輸人柱16，並斑 末尾的從動輪14和-_件161結合在 該樞紐單元15另端成型-輸出部17和—凸部19卜， 雜出部17㈣環繞若干齒18，深人頭3()内而虚 位^向裝置5〇下方的離合機構7〇具備嗜接關 t。其中’該閉塞件161呈環形而鑲嵌在容納室23 配。支撺臂21維持樞紐單元ls的平衡。該閉 二件161由軸承予以實施較佳，利於枢紐單元15轉 勤。 »亥支撐轴24為p皆梯狀的圓柱體，以較大直徑部 ^累接於另—支撐臂2卜並視較小直徑部位為-桿 身25而深人頭3G内’且桿身^端面延伸有一凸部 。兩凸部19、26位於頭3〇内且彼此相對 撐著選向裝置50。 一接著，從第4圖瞭解到中空環形體的頭3〇具有 —孔洞31、若干分隔塊32與一凹部34。兩孔洞31 201107088 彼此相對地貫穿於頭30的壁面，供支撐轴24與樞紐 單元15穿過對應的孔洞31，可支持頭30在兩支撐 臂21之間作靈活的擺動。這些分隔塊32成型於頭 30的内面下方，且相鄰二分隔塊32之間形成一道執 槽33。該凹部34是陷入頭30開口處的環形槽，緊 鄰著前述分隔塊32。 想要知道頭30裡面的組裝情況，可配合第4〜7 圖獲得更詳細的瞭解。 先從插入件40來看，其頂端的周圍成型一圈環 框43，並在中間位置貫穿一通孔44，該通孔44穿過 插入件40的整個柱身而呈階層狀，容許一壓縮彈簧 45留置於通孔44的中段位置。前述按鈕42呈扁圓 造型而置入環框43中，且中心區域沿著軸向延伸一 軸桿46。該軸桿46為階段狀的圓棒，穿過插入件40 的通孔44以及孔内的壓縮彈簧45，並在桿身對應珠 體41的位置凹陷一缺口 47。隨著按鈕42的按壓動 作，以軸桿46較大直徑部位擠壓著彈簧45，同時轴 桿46的缺口 47會讓珠體41下沉。施予按鈕42的外 力消失後，軸桿46會迅速彈起，且缺口 47周遭壁面 可推動珠體41往外凸出。 支撐插入件40的選向裝置50，包括一選向盤 51、一作動件56及一基座60。該選向盤51呈環片 狀而橫放在頭30的開口上方，在内環部位陷入一承 載槽52,且槽底貫穿有一圓孔53,供插入件40深入 圓孔53而讓環框43容納在承載槽52中。該選向盤 51緊鄰圓孔53處朝下豎立著二對稱的抵制片54,各 201107088 抵制片54成型有一斜邊55。該作動件％呈環片狀 2位於選向盤51下方’其面對抵制片54的壁面凹陷 4 13槽57 ’各契合槽57形狀與對應的抵制片54 彼此相合，且背對契合槽57的壁面凸伸四腳片％。Ιί系;: The driven wheel 14 of the wide 23 and the driving wheel 13 are provided with the engaging mechanism to output the torque of the grip unit 10 to the last driven wheel: the element 15 is rod-shaped and penetrates the supporting arm 2" Both ends are >. The axial extension - the smaller diameter of the input column 16, and the follower of the follower wheel 14 and - 161 are combined at the other end of the hinge unit 15 forming - output portion 17 and - convex portion 19, the surrounding portion 17 (four) surround A plurality of teeth 18, the inner head 3 () and the virtual position of the clutch mechanism 7 〇 under the device 5 〇 have a phlegm. Wherein the occlusion member 161 is annularly fitted in the accommodating chamber 23. The support arm 21 maintains the balance of the hinge unit ls. The closure member 161 is preferably implemented by a bearing to facilitate the transfer of the hub unit 15. »Hai support shaft 24 is a cylinder with p-shaped ladders, which is connected to the other support arm 2 with a larger diameter portion, and the smaller diameter portion is - the shaft 25 and the deep human head 3G' and the shaft ^ The end face extends with a convex portion. The two projections 19, 26 are located within the head 3'''''''''''''' First, it is understood from Fig. 4 that the head 3 of the hollow annular body has a hole 31, a plurality of partition blocks 32 and a recess 34. The two holes 31 201107088 penetrate the wall surface of the head 30 opposite to each other, and the support shaft 24 and the hinge unit 15 pass through the corresponding holes 31 to support the head 30 to flexibly swing between the two support arms 21. These partition blocks 32 are formed below the inner face of the head 30, and a groove 33 is formed between the adjacent two partition blocks 32. The recess 34 is an annular groove that is recessed into the opening of the head 30, adjacent to the partition block 32. If you want to know the assembly in the head 30, you can get a more detailed understanding with the 4th to 7th figures. First, a ring frame 43 is formed around the top end of the insert member 40, and a through hole 44 is formed in the intermediate position. The through hole 44 passes through the entire column of the insert member 40 to be hierarchical, allowing a compression spring. 45 is left in the middle of the through hole 44. The aforementioned button 42 is formed in an oblate shape and placed in the ring frame 43, and the central portion extends along the axial direction of a shaft 46. The shaft 46 is a stepped round rod that passes through the through hole 44 of the insert 40 and the compression spring 45 in the hole, and a notch 47 is recessed in the position of the shaft corresponding to the bead 41. As the button 42 is depressed, the spring 45 is pressed by the larger diameter portion of the shaft 46, while the notch 47 of the shaft 46 causes the bead 41 to sink. When the external force applied to the button 42 disappears, the shaft 46 is quickly bounced, and the wall surface of the notch 47 can push the bead 41 outward. The aligning device 50 supporting the insert 40 includes a aligning disc 51, an actuating member 56 and a pedestal 60. The selector disc 51 is in the shape of a ring and is placed above the opening of the head 30. The inner ring portion is recessed into a bearing groove 52, and the bottom of the slot is inserted through a circular hole 53 for the insert 40 to penetrate the circular hole 53 and the ring frame 43 is housed in the carrying groove 52. The directional plate 51 is erected with a symmetrical resisting piece 54 facing downwardly from the circular hole 53, and each of the 201107088 resisting pieces 54 is formed with a slanted edge 55. The actuating member % is in the form of a ring piece 2 located below the direction selecting plate 51. The wall surface recess 4 13 facing the resisting piece 54 is recessed. The shape of each engaging groove 57 coincides with the corresponding resisting piece 54 and faces away from the engaging groove 57. The wall protrudes from the four-legged piece.
2基座6〇，如圖所示概呈矩形體，在t間部位貫 件56一晋内入容許選向盤51的抵制片54及作動 62,夂正中。該基座6〇外圍成型有二平行的平面 對鹿沾’面62具有一貫穿至内孔61的小孔63，讓 3〇:ΓΓ9、26插進孔内，支撐基座6〇懸掛於頭 二Γ是’抵制片54接觸作動件56或契合 θ 4=暫::成型凹凸配合㈣^ 片4取件知暫的定位效果，例如第9、10圖。2 The base 6〇 is generally rectangular in shape as shown in the figure, and the resisting piece 54 and the actuating 62 of the allowable steering disc 51 are inserted into the center portion of the t-part. The base 6 is formed with two parallel planes on the periphery of the deer's surface 62. The surface 62 has a small hole 63 extending through the inner hole 61, so that 3〇:ΓΓ9, 26 are inserted into the hole, and the support base 6〇 is suspended from the head. The second is the 'resistance piece 54 contact actuating member 56 or the fit θ 4 = temporary:: the forming concave-convex fit (four) ^ the piece 4 picks up the temporary positioning effect, for example, the figures 9 and 10.
接者看到選向裝置5〇 "ίτ ΑΛ I A 衣直川下方的離合機構70，主要 包括一動力輪80、一離合輪85 輪二環齒輪而可—其 構成的正齒列81，另面環繞一圈： 右干w塊構成的弟一順向齒列幻， 塊32頂面，使正齒列81與輪出部17周_齒住= ::接二。在動力輪8〇中間部位貫穿—二致動 段相符，且孔壁凹陷有數量等同於 、® ^ 84，各限制槽84供對應的腳片π 的限制槽 56能順著基座60的内孔61壁面滑動。入’讓作動件 該離合輪85也是環齒輪，可 環壁面成型一徑向環86，而外環 =0内，其内 個滑動凸塊8 7，並在朝向動=面依荨分設有多 刀輪80 —面環繞一圈由 201107088 若干齒塊構成的第一逆向齒列88，另面則環繞一圈 由若干齒塊構成的第二順向齒列89。該徑向環86與 插入件40無接觸關係，其表面放置一簧圈72，得以 支撐一環月71持續保有接觸腳片58的狀態。各滑動 凸塊87置入對應的軌槽33中，使該分隔塊32恰好 位於兩滑動凸塊87之間，足以引導離合輪85順著執 槽33方向作動。 該底板90形狀與頭30的凹部34相符，其中心 區域貫穿有一第二致動孔91，且朝向離合輪85的一 面環繞一圈由若干齒塊構成的第二逆向齒列92。該 第二致動孔91形狀與插入件40的非圓形段相符，使 底板90與插入件40相套，利用一嵌入插入件40的 扣環74，將底板90緊靠著頭30的凹部34。在底板 90和離合輪85之間夾有一彈性件73，致使離合輪 85的第一逆向齒列88與第一順向齒列82維持在嗜 接關係。 配合第1〜5圖及第8、9圖來看，扳手100欲鎖緊 工件時，可以先施予較小扭力值轉動工件，然後以較 大扭力值鎖緊工件。 【輸出小扭力值】扭轉握持單元10，驅使轉轴11 端部的主動輪13帶動整個傳動系統12轉動。動力經 由樞紐單元15的齒18傳遞至嚙接關係的正齒列81， 導致動力輪80以第一致動孔83的孔壁驅使插入件40 旋轉。由於第一順向齒列82嗜接第一逆向齒列88的 緣故，所以，動力輪80只能依圖面順時鐘方向轉動且 發出齒塊連續彈碰的「喀」聲，同時，插入件40驅使 201107088 工件往下持續深入一段距離。 【輸出大扭力值】握緊握持單元ίο，讓整個傳動 系統12連同動力輪80維持在不動的狀態，再加上滑 動凸塊87受到分隔塊32的轉向拘束力影響，使離合 輪85的第一逆向齒列88抵住動力輪80不能逆轉等緣 故，導致握持單元10往順時鐘方向扳動時，連同施力 單元20的兩支撐臂21帶動頭30 —起同向作動，令插 入件40施予較大的扭力而鎖緊工件。 相反地，先施予較大扭力旋鬆工件，即能以較小 扭力值輕鬆的轉動工件；前題是，必須選擇插入件40 的旋轉方向。 【選擇旋轉方向】隨著選向盤51的撥轉，抵制 片54的斜邊55會推移契合槽57的壁面，使作動件 56順著基座60内孔61移動一段距離。由於抵制片 54有足夠的長度，故腳片58在限制槽84的拘束下， 會推動環片71擠壓簧圈72而對徑向環86施力，使 離合輪85往底板90方向移動，直到第二順向齒列 89嚙接第二逆向齒列92為止。 【輸出大扭力值】握緊握持單元10，讓整個傳動 系統12、動力輪80乃至於插入件40等維持在不動的 狀態，再加上滑動凸塊87受到分隔塊32的轉向拘束 力影響，使離合輪85抵住動力輪80不能逆轉等緣故， 導致握持單元10往逆時鐘方向扳動時，連同施力單元 20的兩支撐臂21帶動頭30 —起同向作動，令插入件 40施予較大的扭力而旋鬆工件。 【輸出小扭力值】接下來，只要扭轉握持單元 201107088 80沾，轉轴U傳遞動力至傳動系統12，讓動力輪 座、第一致動孔83驅動插入件4〇旋轉。由於底板9〇 =到離合輪85限制只能逆時鐘轉動的緣故，所以，動 輪80只能依圖面逆時鐘方向轉動且發出齒塊連續 >碰的喀」聲，同時，插入件4〇驅使工件往上持續 方疋轉一段距離。 、 ^ a上述實施例僅為說明本發明，非為限制本發明。 熟習此技藝者從上述實施例衍生之各種變化、修改與 應、用均在本發明之範缚内。 【圖式簡單說明】 第1圖是組合立體圖，表現本發明扳手之一較佳實施 例的具體形狀。 第2圖是剖視圖，表現第丨圖沿2_2線剖開之内部結 構的聯結關係。 第3圖是剖視圖，局部放大第2圖的頭。 鲁 第4圖是立體剖視圖，表現單一頭的外殼部位。 第5圖是分解立體圖，表現裝配在頭裡面的各元件具 體形狀。 第6圖是組裝立體圖，表現第5圖各元件組裝後與傳 動系統的聯結關係。 第7圖是剖視圖’表現第1圖沿7-7線剖開之内部結 構的聯結關係。 第8圖是局部剖視立體圖，表現頭内各元件在未選向 時的聯結關係。 第9圖是局部剖視立體圖，表現頭内各元件在選向後 11 201107088 的聯結關係。 【主要元件符號說明】The picker sees the pick-up device 5〇"ίτ ΑΛ IA, the clutch mechanism 70 under the Yichuanchuan, mainly includes a power wheel 80, a clutch wheel 85 wheel two-ring gear, and a dentition column 81 formed by the other Surrounding one circle: The right-hand w block constitutes the chord of the chord, the top surface of the block 32, so that the dentition column 81 and the wheel-out portion 17 are _ toothed = ::. In the middle portion of the power wheel 8〇, the two actuation segments are aligned, and the hole wall is recessed by a number equal to, ^^84, and each restriction groove 84 is provided for the corresponding foot piece π. The restriction groove 56 can follow the inside of the base 60. The wall of the hole 61 slides. The clutch wheel 85 is also a ring gear, and a radial ring 86 is formed on the ring wall surface, and the outer ring is 0, and the inner sliding protrusion 8 7 is provided in the direction of the moving surface. The multi-cutter wheel 80 is surrounded by a first reverse tooth row 88 consisting of a number of teeth of 201107088, and a second forward tooth row 89 of a plurality of blocks is surrounded by a ring. The radial ring 86 has no contact relationship with the insert 40, and a coil 72 is placed on the surface to support the state in which the ring 71 remains in contact with the foot piece 58. Each of the sliding projections 87 is placed in the corresponding rail groove 33 such that the partitioning block 32 is located between the two sliding projections 87, sufficient to guide the clutch wheel 85 to move in the direction of the holding groove 33. The bottom plate 90 has a shape conforming to the recess 34 of the head 30, a central portion of which penetrates a second actuating opening 91, and a second reverse tooth row 92 of a plurality of teeth is wound around a face of the clutch wheel 85. The second actuating aperture 91 is shaped to conform to the non-circular section of the insert 40 such that the bottom plate 90 is nested with the insert 40 and the bottom plate 90 is abutted against the recess of the head 30 by a retaining ring 74 that is inserted into the insert 40. 34. An elastic member 73 is interposed between the bottom plate 90 and the clutch wheel 85 such that the first reverse tooth row 88 of the clutch wheel 85 is maintained in an intimate relationship with the first forward tooth row 82. With reference to Figures 1 to 5 and Figures 8 and 9, when the wrench 100 is intended to lock the workpiece, the workpiece can be rotated with a small torque value and then locked with a relatively large torque value. [Output Small Torque Value] The twisting grip unit 10 drives the driving wheel 13 at the end of the rotating shaft 11 to drive the entire transmission system 12 to rotate. Power is transmitted through the teeth 18 of the pivot unit 15 to the dentition row 81 of the engaged relationship, causing the power wheel 80 to drive the insert 40 to rotate with the bore walls of the first actuating bore 83. Since the first forward tooth row 82 is in contact with the first reverse tooth row 88, the power wheel 80 can only rotate clockwise according to the drawing surface and emit a "click" sound of the continuous collision of the tooth block, and at the same time, the insert 40 drives the 201107088 workpiece down for a long distance. [Output Large Torque Value] The gripping unit ίο is used to maintain the entire transmission system 12 together with the power wheel 80 in a stationary state, and the sliding projection 87 is affected by the steering restraining force of the partition block 32, so that the clutch wheel 85 is When the first reverse tooth row 88 is not reversed by the power wheel 80, etc., when the grip unit 10 is pulled in the clockwise direction, the two support arms 21 of the force applying unit 20 drive the head 30 to act in the same direction, so as to insert The piece 40 applies a greater torque to lock the workpiece. Conversely, by first applying a large torque to loosen the workpiece, the workpiece can be easily rotated with a small torque value; the premise is that the direction of rotation of the insert 40 must be selected. [Selecting the Direction of Rotation] As the selector disk 51 is turned, the oblique side 55 of the resisting piece 54 is pushed to the wall surface of the engaging groove 57, and the actuator 56 is moved along the hole 61 in the base 60 by a distance. Since the resisting piece 54 has a sufficient length, under the restraint of the restricting groove 84, the leg piece 58 pushes the ring piece 71 to press the coil 72 to urge the radial ring 86 to move the clutch wheel 85 toward the bottom plate 90. Until the second forward tooth row 89 engages the second reverse tooth row 92. [Output Large Torque Value] The gripping unit 10 is gripped so that the entire transmission system 12, the power wheel 80, and even the insert 40 are maintained in a stationary state, and the sliding projection 87 is affected by the steering restraint force of the partition block 32. When the clutch wheel 85 is prevented from being reversed by the power wheel 80, and the grip unit 10 is pulled in the counterclockwise direction, the two supporting arms 21 of the force applying unit 20 act to move the head 30 in the same direction to make the insert. 40 Apply a larger torque and loosen the workpiece. [Output Small Torque Value] Next, as long as the twisting grip unit 201107088 80 is dipped, the rotating shaft U transmits power to the transmission system 12, and the power wheel housing and the first actuating hole 83 drive the insert 4 to rotate. Since the bottom plate 9〇=to the clutch wheel 85 is limited to rotate only against the clock, the moving wheel 80 can only rotate in the counterclockwise direction according to the drawing and emits a continuous sound of the tooth block, and at the same time, the insert 4〇 Drive the workpiece up and down for a distance. The above embodiments are merely illustrative of the invention and are not intended to limit the invention. Various changes, modifications, and uses derived from the above-described embodiments are within the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a combined perspective view showing the specific shape of a preferred embodiment of the wrench of the present invention. Fig. 2 is a cross-sectional view showing the connection relationship of the internal structure of the second figure taken along line 2_2. Fig. 3 is a cross-sectional view showing the head of Fig. 2 partially enlarged. Lu Figure 4 is a perspective cross-sectional view showing the outer casing of a single head. Fig. 5 is an exploded perspective view showing the specific shapes of the respective components assembled in the head. Fig. 6 is an assembled perspective view showing the connection relationship between the components of Fig. 5 and the transmission system after assembly. Fig. 7 is a cross-sectional view showing the coupling relationship of the internal structure taken along line 7-7 of Fig. 1. Fig. 8 is a partially cutaway perspective view showing the coupling relationship of the components in the head in the unselected direction. Figure 9 is a partial cross-sectional perspective view showing the connection relationship of the components in the head after the selection of 11 201107088. [Main component symbol description]
100扳手 10握持單元 12傳動系統 14從動輪 16輸入柱 17輸出部 19凸部 20施力單元 22貫孔 24支撐轴 26凸部 30頭 32分隔塊 34凹部 40插入件 42按鈕 44通孔 46軸桿 50選向裝置 52承載槽 54抵制片 56作動件 58腳片 11轉軸 13主動輪 15樞紐單元 161閉塞件 18齒 21支撐臂 23容納室 25桿身 31孔洞 33軌槽 41珠體 43環框 45壓縮彈簧 47缺口 51選向盤 53圓孔 55斜邊 57契合槽 12 201107088 60基座 62平面 70離合機構 72簧圈 74扣環 80動力輪 82第一順向齒列 84限制槽 86徑向環 88第一逆向齒列 90底板 92第二逆向齒列 61内孔 63小孔 71環片 73彈性件 81正齒列 83第一致動孔 85離合輪 87滑動凸塊 89第二順向齒列 91第二致動孔 13100 Wrench 10 Grip unit 12 Transmission system 14 Drive wheel 16 Input column 17 Output portion 19 Projection 20 Force unit 22 Through hole 24 Support shaft 26 Projection 30 Head 32 Separation block 34 Concave 40 Insert 42 Button 44 Through hole 46 Shaft 50 directional device 52 bearing groove 54 resisting piece 56 actuating member 58 foot piece 11 rotating shaft 13 driving wheel 15 pivot unit 161 occluding member 18 tooth 21 supporting arm 23 accommodating chamber 25 shaft 31 hole 33 rail groove 41 bead body 43 ring Frame 45 compression spring 47 notch 51 to the disc 53 round hole 55 oblique side 57 fit slot 12 201107088 60 base 62 plane 70 clutch mechanism 72 coil 76 buckle 80 power wheel 82 first forward tooth row 84 limit slot 86 diameter Toward ring 88 first reverse tooth row 90 bottom plate 92 second reverse tooth row 61 inner hole 63 small hole 71 ring piece 73 elastic member 81 dentition row 83 first actuating hole 85 clutch wheel 87 sliding convex piece 89 second forward direction The second actuating hole 13 of the tooth row 91