M376390 五、新型說明： 【新型所屬之技術領域】 本創作係涉及一種動力工具，尤指一種動力棘輪扳手 〇 【先前技術】 目前一般現有的動力棘輪扳手，如第四、五圖所示， 係設有握把本體（A)、傳動軸（B)、環套（c)、曲柄軸（D)、 .轉盤（E)、複數個行星齒輪（F)及動力棘輪頭組（G)等元件 # ，其中： 如第四、五圖所示，握把本體（A)係為圓柱中空殼體 並"又有谷置槽（A1)，容置槽（A1)係軸向凹設於握把本體 (A)之一端；傳動軸（B)係可轉動地設於握把本體的容 置槽（A1)的中間位置；環套（〇係固設於容置槽（ai)之内 周壁。 如第四、五圖所示，曲柄軸（D)係為圓柱體且可轉動地 •穿設於環套（C)的中間位置，曲柄軸（D)係設有嚙合部（Di) 及偏心輸出桿（D3);嚙合部形成於曲柄軸（D)之一 端的外周面並位於握把本體（八）的容置槽（A1)之内部；偏 心輸出桿（D3)係偏置凸設於曲柄軸（D)之一端且外露於握 把本體（A)。 如第四、五圖所示，轉盤（E)係套設於曲柄軸（]))之外 周面且與嚙合部（D1)嚙合且位於握把本體（A)之一内部， 轉盤（E)係⑨有複數個銷件（El)，複數個銷件⑴）係間隔 凸設於轉盤（E)異於偏心輸出桿（1)3)之一端。 M376390 如第四、五圖所示’複數個行星齒輪（F)係分別可轉動 地套設於複數個銷件（E1)，各行星齒輪（F)係與環套（〇之 内壁面及傳動軸（B)相嚙合。 如第四、五圖所示，動力棘輪頭組（G)係以螺鎖方式與 握把本體（A)結合固定，動力棘輪頭組（G)係設有頭部（G1) 及承載軸承（G2);承載軸承（G2)係為滾針軸承且固設於頭 •部（G1)之内周壁’承載軸承（G2)係套設於曲柄轴（D)並位 _ 於偏心輸入軸（D3)及轉盤（E)之間。 泰然而，一般現有的動力棘輪扳手係具有下列缺點·· 1·曲柄軸過於晃動：曲柄軸僅藉由單_承栽轴承的支 撐，其支撐穩定力量不足，所以當高速旋轉時曲柄軸會產 生晃動’由於曲柄軸產生晃動會造成轉盤、銷件及齒輪的 晃動，導致行星齒輪容易磨損、產生極大噪音以及使用壽 命縮短的問題。 2.累積公差及同心度不佳：曲柄軸與轉盤係為兩組合 的獨立構件，兩者組裝時會因公差產生間隙而容易晃動且 • 結構強度不佳，影響曲柄軸與轉盤的使用壽命，並且導致 - 曲柄軸無法穩定位於轉盤的軸心。 【新型内容】 為解決現有的動力棘輪扳手有關於曲柄軸過於晃動與 累積公差及同心度不佳之不足與限制，本創作的目的在於 提供-種動力棘輪扳手，其係在曲柄軸的外周面增設兩穩 定轴承，使曲柄轴的前後端有適當支樓，能夠減少曲柄轴 的晃動以及減低行星齒輪磨損的問題。 本創作所運用的技術手段在於提供一種動力棘輪板手 4 包括： 該容置槽係軸向凹 一握把本體，其係設有一容置槽， 設於該握把本體之一端； 動軸，其係可轉動地設於該容置槽的中間位置； 一 ¥套’其係固設於該容置槽之一内周壁. 1 一It軸’其係可轉動地穿設於該環套的中間位置並 -有-轉盤部、一偏心輸出#、一傳動輪 凹槽；該轉盤部係呈環形並凸設於該曲柄轴之一外= 該偏心輸出桿係偏置凸設於該曲柄轴之—端且外露於該握 把本體；該傳動軸孔係軸向凹設於該曲柄軸異於該偏心輸 出桿之-端的中間位置’其中’該傳動轴係伸入於該傳動 軸孔内’該複數個置輪凹槽係間隔徑向凹設於該轉盤部並 與該傳動軸孔相通； 複數個仃星齒輪，其係分別可轉動地設於該複數個置 輪凹槽内各仃星齒輪係外凸於相對應的置輪凹槽並與該 環套之一内壁面及該傳動軸相嚙合； 複數個銷件，其係軸向穿設於該轉盤部且分別穿設於 S玄複數個行星齒輪的中間位置； 兩穩疋軸承，其係套設於該曲柄軸並分別固設於該環 套之内周壁中該S穩絲承係、分別位於該轉盤部的兩 側；以及 動力棘輪頭組’其係與該握把本體結合固定並設有 頭卩及承載軸承，該承載轴承係固設於該頭部之—内 周土汶承載轴承係套設於該曲柄軸並位於該偏心輸入軸 及對應相鄰的穩定柏承之間。 M376390 所述之動力棘輪扳手，其中各穩定軸承係為一滾珠軸 承。 所述之動力棘輪扳手，其中前述之握把本體係設有兩 卡槽，該兩卡槽係凹設於該握把本體之一端面的兩相對側 ;前述之頭部係、設有兩卡士鬼’該兩卡塊係分別凸設於該頭 部且分別與該兩卡槽卡合。 本創作所提供的動力棘輪扳手，可以獲得的具體效兴 及功效增進至少包括： 1. 大幅減少晃動：本創作在曲柄軸的外周面增設兩穩 定軸承，使曲柄軸的前後端有適當支撐；在高速旋轉時 大幅減少曲柄軸的晃動，以及減低行星齒輪磨損的問題， 不僅噪音小且使用壽命長。 2. 結構強度佳且使用壽命長：本創作係將習知的曲柄 軸與轉盤一體連結為一獨立的構件，由於曲柄軸與轉盤係 為一體式設計而直接被傳動軸傳動，沒有累積公差、同心 度不差及間隙晃動的問題，能延長曲柄軸及轉盤的 命長。 朞 3. 穩固動力棘輪頭組：本創作係利用頭部的卡塊卡人 於握把本體的卡槽，可以強化並穩固動力棘輪頭組，減少 其晃動及相對轉動的情形產生。 【實施方式】 為能詳細瞭解本創作的技術特徵及眚用 只叩切欢，並可依 照說明書的内容來實施’兹進一步以如圖式所示的較佳實 施例’詳細說明如后： 本創作所提供的一種動力棘輪扳手的較佳實施例，如 6 M376390 第一、二圖所示，係包括：一握把本體（1〇)、一傳動軸 (20)、一缞套（3〇)、一曲柄軸（4〇)、複數個行星齒輪（5〇) •、複數個銷件（6〇)、兩穩定軸承（70)及一動力棘輪頭組 (80)等元件，其中： 如第二、三圖所示，該握把本體（1〇)係為一圓柱中空 殼體並設有一容置槽（Π)及兩卡槽（12)，該容置槽（11)係 •軸向凹設於該握把本體（10)之一端；該兩卡槽（12)係凹設 -於忒握把本體（1 0 )之一端面的兩相對側並與該容置槽（1 1 ) g 相通β 如第二、三圖所示，該傳動軸（20)係可轉動地設於該 握把本體（10)的容置槽（11)的中間位置。 如第二、三圖所示，該環套（3〇 )係緊配固設於該容置 槽（11)之一内周壁；該握把本體（10)、該傳動軸（2〇)及該 環套（30)係屬於習知構件，其詳細構造容不贅述。 如第一二圖所示，該曲柄轴（40)係為一圓柱體且可 轉動地穿》又於δ玄環套（3 〇 )的中間位置，該曲柄轴（4 〇)係設 •有一轉盤部（41)、一偏心輸出桿（43)、一傳動軸孔（45)及 複數個置輪凹槽（47); 〇亥轉盤。卩（41)係呈環形並凸設於該曲柄軸（4〇)之一外 周面，且該轉盤部（41)係位於該環套（30)之—内部； "玄偏^輸出桿（43)係偏置凸設於該曲柄輔（4〇)之一端 且外露於該握把本體（1〇)的容置槽（η); «玄傳動軸孔（45)係呈圓形且軸向凹設於該曲柄轴（4〇) 異於該偏心輸出桿(43)之一端的中間位置，其中，該傳動 軸（20)係伸入於該傳動軸孔（45)内； 7 MJ76390 6玄複數個置輪凹槽（4 7 )係間隔徑向凹設於該轉盤部 (41)並與該傳動軸孔（45)相通；較佳地，該複數個置輪^ 槽（47)的數量為三個。 本創作係將習知的曲柄軸（D)與轉盤（E) —體連結為— 獨立的構件，即一具有轉盤部（41)的曲柄軸（4〇)，藉由— 體式設計可避免累積公差、同心度不差及間隙晃動的問題 - ’且使用壽命長。 - 如第二、三圖所示，該複數個行星齒輪（50)係分別可 • 轉動地設於該複數個置輪凹槽（47)内，各行星齒輪（5〇)係 外凸於相對應的置輪凹槽（47)並與該環套（3〇)之一内壁面 及該傳動袖（2 0 )相喷合。 如第二、三圖所示，該複數個銷件（6〇 )係軸向穿設於 該轉盤部（41)且分別穿設於該複數個行星齒輪（5〇)的中間 位置。 如第一、二圖所示，該兩穩定轴承（7 〇)係套設於該曲 柄軸（40)並分別固設於該環套之内周壁，其中，該兩 • 穩定軸承（70)係分別位於該轉盤部（41)的兩側而抵靠於該 轉盤部（41);較佳地，各穩定軸承（7〇)係為一滾珠軸承； 兩穩定軸承（70)的作用在於提供曲柄軸（4〇)在高速旋轉時 的穩定支樓力量’能夠減少曲柄轴（4〇)的晃動以及減低行 星齒輪（50)磨損的問題。 如第二、三圖所示，該動力棘輪頭組（80)係以螺鎖方 式與該握把本體（10)結合固定，該動力棘輪頭組（8〇)係設 有一頭部（81)及一承載軸承（82)，該頭部係設有兩卡 塊（811 )，該兩卡塊（8 U )係分別凸設於該頭部（8 1)朝向該 8 M376390M376390 V. New description: [New technical field] This creation relates to a power tool, especially a power ratchet wrench 先前 [Prior Art] The current general power ratchet wrench, as shown in the fourth and fifth figures, It has components such as grip body (A), drive shaft (B), collar (c), crankshaft (D), . turntable (E), multiple planetary gears (F) and power ratchet head set (G). # ,中: As shown in the fourth and fifth figures, the grip body (A) is a cylindrical hollow shell and " has a valley groove (A1), and the receiving groove (A1) is axially recessed in One end of the grip body (A); the drive shaft (B) is rotatably disposed at an intermediate position of the accommodating groove (A1) of the grip body; the ring sleeve is fixed in the accommodating groove (ai) As shown in the fourth and fifth figures, the crankshaft (D) is cylindrical and rotatably • is placed in the middle of the collar (C), and the crankshaft (D) is provided with a meshing portion (Di) And an eccentric output rod (D3); the engaging portion is formed on an outer peripheral surface of one end of the crank shaft (D) and is located inside the accommodating groove (A1) of the grip body (eight); eccentric The output rod (D3) is biased to one end of the crank shaft (D) and exposed to the grip body (A). As shown in the fourth and fifth figures, the turntable (E) is sleeved on the crank shaft (]) The outer peripheral surface is engaged with the engaging portion (D1) and located inside one of the grip body (A), the turntable (E) system 9 has a plurality of pins (El), and the plurality of pin members (1) are spaced apart from each other. The turntable (E) is different from one end of the eccentric output rod (1) 3). M376390 As shown in the fourth and fifth figures, 'a plurality of planetary gears (F) are rotatably sleeved on a plurality of pin members (E1), each of the planetary gears (F) and the ring sleeve (the inner wall surface of the crucible and the transmission) The shaft (B) is meshed. As shown in the fourth and fifth figures, the power ratchet head set (G) is fixed in a screw-locking manner with the grip body (A), and the power ratchet head set (G) is provided with a head. (G1) and bearing bearing (G2); bearing bearing (G2) is a needle bearing and is fixed to the inner peripheral wall of the head (G1). The bearing bearing (G2) is sleeved on the crankshaft (D). _ between the eccentric input shaft (D3) and the turntable (E). However, the conventional power ratchet wrench has the following disadvantages: 1. The crankshaft is too rocky: the crankshaft is supported only by a single bearing bearing. The support stability is insufficient, so the crankshaft will sway when rotating at high speed. The sway of the crankshaft, the pin and the gear will cause the planetary gear to wear easily, cause great noise and shorten the service life. 2. Accumulated tolerance and concentricity: crankshaft and turntable are two The separate components of the assembly are easy to sway due to tolerances when assembling and • The structural strength is not good, affecting the service life of the crankshaft and the turntable, and causing - the crankshaft cannot be stably located at the axis of the turntable. [New content] In order to solve the shortage and limitation of the existing power ratchet wrench about the excessive shaking and cumulative tolerance of the crankshaft and the poor concentricity, the purpose of the present invention is to provide a power ratchet wrench which is provided with two stable bearings on the outer circumferential surface of the crankshaft. The appropriate front and rear ends of the crankshaft can reduce the crankshaft sway and reduce the wear of the planetary gears. The technical means used in this creation is to provide a power ratchet wrench 4 including: the accommodating slot is axially concave a grip body, which is provided with a receiving groove, is disposed at one end of the grip body; a moving shaft is rotatably disposed at an intermediate position of the receiving groove; One of the inner peripheral walls of the accommodating groove. 1 an It axis' is rotatably disposed in the middle of the ring sleeve and has a turntable portion, an eccentric output #, and a transmission wheel a groove portion; the turntable portion is annular and protruded from one of the crank shafts; the eccentric output rod is biased at an end of the crank shaft and exposed to the grip body; the drive shaft hole shaft An intermediate position of the crankshaft different from the end of the eccentric output rod, wherein the transmission shaft extends into the transmission shaft hole, the plurality of spacer grooves are radially recessed on the turntable And communicating with the drive shaft hole; a plurality of comet gears respectively rotatably disposed in the plurality of wheel grooves, each of the comet gears protrudes from the corresponding wheel groove and is coupled to the ring One of the inner wall faces of the sleeve and the transmission shaft are engaged; a plurality of pin members are axially disposed at the turntable portion and respectively disposed at intermediate positions of the plurality of S-spindle planetary gears; The S-shafts are respectively fixed in the inner peripheral wall of the ring sleeve, and the S-stable wires are respectively located on two sides of the turntable portion; and the power ratchet head set is coupled to the grip body and fixed a head raft and a bearing bearing, the bearing bearing is fixed on the inner circumference of the head Based carrier bearing sleeve disposed on the crankshaft and the input shaft is located between the eccentric stabilizer and the corresponding adjacent bearing Bo. The power ratchet wrench of M376390, wherein each of the stabilizing bearings is a ball bearing. The power ratchet wrench, wherein the aforementioned grip system is provided with two card slots, the two card slots are recessed on opposite sides of one end surface of the handle body; the foregoing head system is provided with two cards The two card blocks are respectively protruded from the head and are respectively engaged with the two card slots. The power ratchet wrench provided by this creation can achieve at least the specific effects and enhancements: 1. Significantly reduce the sloshing: This creation adds two stable bearings on the outer peripheral surface of the crankshaft so that the front and rear ends of the crankshaft are properly supported; It greatly reduces the sway of the crankshaft at high speed and reduces the wear of the planetary gears, which is not only low in noise but also long in service life. 2. Strong structural strength and long service life: This creation system integrates the conventional crankshaft and the turntable into a single component. Because the crankshaft and the turntable are integrated, they are directly driven by the drive shaft without cumulative tolerance. The problem of the concentricity and the sway of the gap can extend the length of the crankshaft and the turntable. 3. Steady power ratchet head group: This creation department uses the card holder of the head to grip the card slot of the body, which can strengthen and stabilize the power ratchet head group, reducing the situation of swaying and relative rotation. [Embodiment] In order to understand in detail the technical features of the present invention and the use of the present invention, and in accordance with the contents of the specification, the following is a detailed description of the preferred embodiment as shown in the following: A preferred embodiment of a powered ratchet wrench provided by the author, as shown in Figures 1 and 2 of the M M 376 390, includes: a grip body (1 〇), a drive shaft (20), and a cymbal sleeve (3 〇) ), a crankshaft (4〇), a plurality of planetary gears (5〇) •, a plurality of pin members (6〇), two stable bearings (70) and a power ratchet head set (80), etc., such as: As shown in the second and third figures, the grip body (1〇) is a cylindrical hollow casing and is provided with a receiving groove (Π) and two card slots (12), and the receiving groove (11) is The axial recess is disposed at one end of the grip body (10); the two latching slots (12) are recessed - on opposite sides of one end surface of the grip body (10) and with the receiving slot (1) 1) g communication β As shown in the second and third figures, the transmission shaft (20) is rotatably disposed at an intermediate position of the accommodating groove (11) of the grip body (10). As shown in the second and third figures, the ring sleeve (3〇) is tightly fitted to an inner peripheral wall of the receiving groove (11); the grip body (10), the transmission shaft (2〇) and The ring sleeve (30) belongs to a conventional member, and its detailed construction is not described. As shown in the first two figures, the crankshaft (40) is a cylinder and is rotatably worn in the middle of the δ Xuanhuan sleeve (3 〇), and the crankshaft (4 〇) is provided with one a turntable portion (41), an eccentric output rod (43), a drive shaft hole (45) and a plurality of wheel grooves (47); The cymbal (41) is annular and protrudes from one of the outer peripheral surfaces of the crankshaft (4〇), and the turntable portion (41) is located inside the collar (30); " 43) The offset is convexly disposed at one end of the crank auxiliary (4〇) and exposed to the receiving groove (η) of the grip body (1〇); «The Xuan transmission shaft hole (45) is circular and the shaft The recessed shaft is disposed at an intermediate position of one end of the eccentric output rod (43), wherein the drive shaft (20) extends into the drive shaft hole (45); 7 MJ76390 6 a plurality of wheel grooves (4 7 ) are radially recessed in the turntable portion (41) and communicate with the drive shaft hole (45); preferably, the plurality of wheel grooves (47) The number is three. This creation system connects the conventional crankshaft (D) and the turntable (E) into a separate component, that is, a crankshaft (4〇) having a turntable portion (41), which can be avoided by the body design. Tolerance, concentricity and gap sloshing problems - and long service life. - as shown in the second and third figures, the plurality of planetary gears (50) are respectively rotatably disposed in the plurality of wheel grooves (47), and the planetary gears (5〇) are externally convex. Corresponding wheel groove (47) is sprayed with the inner wall surface of one of the ring sleeves (3〇) and the transmission sleeve (20). As shown in the second and third figures, the plurality of pins (6 turns) are axially passed through the turntable portion (41) and are respectively disposed at intermediate positions of the plurality of planetary gears (5 turns). As shown in the first and second figures, the two stabilizing bearings (7 〇) are sleeved on the crank shaft (40) and are respectively fixed on the inner peripheral wall of the ring sleeve, wherein the two stable bearings (70) are They are respectively located on both sides of the turntable portion (41) and abut against the turntable portion (41); preferably, each of the stabilizing bearings (7〇) is a ball bearing; the two stabilizing bearings (70) function to provide a crank The stable branch strength of the shaft (4〇) at high speed rotation can reduce the sway of the crankshaft (4〇) and reduce the wear of the planetary gear (50). As shown in the second and third figures, the power ratchet head set (80) is fixedly coupled to the grip body (10) in a screw-locking manner, and the power ratchet head set (8〇) is provided with a head (81). And a bearing bearing (82), the head is provided with two blocks (811), and the two blocks (8 U) are respectively protruded from the head (81) toward the 8 M376390
承（82)係為一滾針軸承且固設於該頭部（81)之一内周壁The bearing (82) is a needle bearing and is fixed to one of the inner peripheral walls of the head (81)
【圖式簡單說明】 第一圖係本創作較佳實施例之立體外觀 第二圖係本創作較佳實施例之部份分解 第三圖係本創作較佳實施例之剖面圖。 第四圖係習知動力棘輪扳手之立體分解 第五圖係習知動力棘輪扳手之剖面圖。 【主要元件符號說明】 (10)握把本體 (U)容置槽 （12)卡槽 (2 0 )傳動轴 (30)環套 (4 0)曲柄料 (41 )轉盤部 U5)傳動軸孔 (50)行星齒輪 (60)銷件 (4 3)偏心輪出才旱 (47)置輪凹槽 (70)穩定軸承 (80)動力棘輪頭組 9 M376390 (81) 頭部 (82) 承載軸承 (A)握把本體 (B )傳動軸 (D) 曲柄轴 (D1)嚙合部 (E) 轉盤 (F) 行星齒輪 (G) 動力棘輪頭組 (G1)頭部 (811)卡塊 (A1)容置槽 (C)環套 (D3)偏心輸出桿 (E1)銷件 (G2)承載軸承BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a perspective view of a preferred embodiment of the present invention. The second drawing is a partial exploded view of a preferred embodiment of the present invention. The third drawing is a cross-sectional view of a preferred embodiment of the present invention. The fourth figure is a three-dimensional decomposition of a conventional power ratchet wrench. The fifth figure is a cross-sectional view of a conventional power ratchet wrench. [Description of main component symbols] (10) Grip body (U) accommodating groove (12) Card slot (2 0) Transmission shaft (30) Ring sleeve (40) Crank material (41) Turntable portion U5) Drive shaft hole (50) Planetary gear (60) Pin (4 3) Eccentric wheel out of drought (47) Wheel groove (70) Stabilized bearing (80) Power ratchet head set 9 M376390 (81) Head (82) Bearing bearing (A) Grip body (B) Drive shaft (D) Crankshaft (D1) Engagement (E) Turntable (F) Planetary gear (G) Power ratchet head set (G1) Head (811) block (A1) Locating groove (C) collar (D3) eccentric output rod (E1) pin (G2) bearing bearing