M407815 五、新型說明： 【新型所屬之技術領域】 本創作係關於-種棘輪扳手結構，更詳而言之，尤指_種具有可便於 切換操作方向之換向調整裝置，且透過其結構設計，可有效避免因經常換 向操作而產生㈣之情形，藉以提高整體之使用壽命。 【先前技術】M407815 V. New description: [New technical field] This creation is about ratchet wrench structure, in more detail, especially the reversing adjustment device that can easily switch the operation direction, and through its structural design It can effectively avoid the situation caused by frequent reversing operation (4), thereby improving the overall service life. [Prior Art]
按，棘輪扳手為配合不同之操作方向，以提升使用上之便利性，因此 :業上許多棘輪扳手皆具有換向調整裝置，使得内部之棘輪受—棘齒塊响 妹制驅動方向，並透過換向難裝置㈣棘齒塊與該棘細合的位置以 改變該棘輪的鶴方向，而該換向調整裝置通常都是設置於棘輪板手的工 作頭。卩，並供使用者進行扳轉而控制棘輪進行換向。Press, the ratchet wrench is used to match different operating directions to improve the convenience of use. Therefore, many ratchet wrenches in the industry have a reversing adjustment device, so that the internal ratchet is driven by the ratchet block. Reversing the difficult device (4) The position of the ratchet block and the ratchet to change the direction of the crane of the ratchet, and the reversing adjustment device is usually disposed on the working head of the ratchet wrench.卩, and for the user to turn and control the ratchet to reverse.
/如中華民國發明專利證書第1297635號「棘輪工具之棘輪換向裝置」， 係主要包括-本體、-棘輪頭、—棘齒塊以及—撥動件，該本體—端開設 有一容納槽’以供棘輪頭容納於其中，該棘輪頭軸向一端為—工作端該 工作端係伸出於該本體之外側，而該棘純係容納於容崎内，供與棘輪 頭相互舊合’且可受控制於該容納槽内左右移動，且該棘齒塊具有一彈,^ 件，以提供雜魏徑向之紐雜；該纖件—端倾棘魏連結，另 一端係為-撥動端’該撥動端係伸出本體之外側，以供直接撥動該撥動端 控制該棘錢之左右㈣，而該本體之騎對應該_件之軸端處設有 一疋位槽，以供該撥動件之撥動端穿伸於該頭部外側且該定位槽具有— 第定位部及-第二定位部，該撥動件之撥動端係可選擇定位於該第一定 P及。玄第一疋位部其中之一，以供該撥動件控制棘齒塊移動後之定位。 3 M407815 由於該前案之撥動件係為捍狀，並以單點連接於棘齒塊上，且撥動件之撥 動端凸伸於本體外側’以供直接撥動而控制棘齒塊之移動因此操作時係 直接施力於猶件’以將觸件朝側邊撥動，此時，由於撥動件僅以單點 支樓於棘銳，故當施力·_時，使得侧力會財於猶件與棘齒 塊連接處，導致撥動件容易產生斷裂之情形，然而，該撥動件—旦產生斷 裂，即必須整組進行更換，因此相當不符合經濟效益。 而該前案之另-實施射’係於本體上設有—控伽，該控制紐連接 於撥動件之撥動端’以透過撥動控制紐來控制撥動件，雖此實施例中相 較於上-實酬，因並非直接撥動麟件之醜端來控娜魏之移動， 因此可降低脑件與棘齒塊連接處產生斷裂之情形，但撥動件亦會因受力 集中於定位槽之第4位部或第4位部，而使得撥動件於與定位槽接觸 端產生斷裂；再者，因控制_覆設於本體上，其隨著操作方向而凸伸於 本體左側或右側，因此„導致制者因不慎誤_撥_触及撥動件 之方向。 【新型内容】 綜合上開先前技術的缺點，大致上包括上述習用之棘輪板手之換向調 整裝置’由於本身結構上之設計，使得侧力集中於撥動件之端部，而導 致撥動件容易產生斷裂之情形；再者，由於肋控麵動件之控制紐因凸 伸於本體兩側，容易導致使用者因不慎誤觸而撥動其操作方向丨而鑑於解 决上述缺點，本創作提出一種棘輪扳手之結構改良。 本創作係為一種棘輪扳手之結構改良，包括：一工具主體係具有一 操作端，該操作端於-側凹設有-容置槽，且該操作端於相對容置槽開口 M407815 之另-側設有-調整槽’該調整槽於左右兩側之内壁分別設有—限位面， 且該調整槽設有-連通於容置槽之定位孔，該定位孔於左右兩端分別設有 第一調整端及-第二調整端；一棘輪，係容置於容置槽内，且該棘輪上 每設有複數_ 棘魏，係可沿定位孔方向位移地設於容置槽内，該 棘齒塊於相鄰棘輪之一側設有一棘齒部，供與該等棘齒相餐合；一調整件， 係可沿定位孔方向活動位移地設於調整槽内，且該調整件於兩側分別設有 供與各限位面頂抵之-擋止面，該調整件與棘齒塊間於相對應定位孔處設 • 有一連接桿，藉調整件之位移’使連接桿活動定位於第-調整端或第二調 整端，並帶動棘齒塊位移而改變與棘齒嚿合之位置。 本創作目的之係在於由於連接桿__端連接於棘齒塊，而另一端係透 過-連接元件連接於娜件，使連接桿具有兩支雜，且獅時係藉由撥 動調整件以進行調整棘輪之轉動方向，而並非直接施力於用以帶動棘齒塊 位移之連接桿’因此可避免操作時作用力集中於連接桿與棘齒塊連接處， 使得連接桿容易產生斷裂之情形。 • 本創作目的之二，係在於藉由調整槽與調整件之配合設置，使調整槽 找位面可與機狀擂止帅互職，藉以提細整件與容置槽之接觸 面積，以提高其間之承載強度，避免使應力集中於連接桿與定位孔之接觸 端’亦可降低連接桿產生斷裂之情形。 本創作目的之三，係在於透過調整槽與調整件之設置，並配合限位面 及擋止面之設計，可使調整件限位容置於調整槽内，而不會凸伸於工具主 體兩側，因此可避免因不慎誤觸而撥動調整件之方向。 本創作目的之四，係在於藉由調整件之設置，操作時僅需梢微施力撥 5 M407815 動即可’使得操作上更為枝且快速，並可較為省力。 本創作目的之五，係在於該工具主體於相對操作端之另—端設有一握 持端’《持端設有由二片狀之握持件接合而成一握柄，各握持件之表面 认有-仿碳纖維層’以呈現有如碳纖維般之花紋面，俾而增加握柄整體之 美觀性。 【實施方式】 為便於說明本創作於上述新型内容一欄中所表示的中心思想，兹以具 體實施例表達。實施例中各種不同物件係按適於說明之比例、尺寸、變形鲁 量或位移量而描繪，而非按實際元件的比例予以緣製，合先欽明。且以下 的說明巾，類似的元件是以相同的編號來表示。 如第-圖至第四圖所示，本創作係為一種棘輪扳手之結構改良，主要 包括工具主體1〇、一棘輪2〇、一棘请塊3〇，以及一調整件。 該工具主體10係具有一操作_及一握持端12，該操作端^於一側凹 設有-容置槽13，且該操作端彳彳於相對容置槽13開口之另—側設有一調整 槽14，該調整槽14於左右兩側之内壁分別設有一限位面141，該調整槽μ籲 設有-連通於容置槽13之定位孔15，該定位孔15於左右兩端分職有一第_ -調整端⑸及-第二調整端152 ;該握持端12設有一握柄16，該握㈣ 係包含二片狀之麟件161，該二握持件16彳係分互接合於握持端12， 其接合方式《彼之關，例如可⑽合或_方式，亦或結合兩種方 式進行連接；而為增加握柄16之美觀性，更可於握持件⑹之表面設有一仿 碳纖維層’以呈現有如碳纖維般之花紋面。 該棘輪2峨入並容置於容置槽13内，且該棘輪2〇上環設有複數棘齒 M407815 21 ’且該棘輪20於對應容置槽13開口方向延伸設有一接設端22供凸伸於工 具主體10外側，該接設端22供活動接設一套筒(圖未示）。 該棘齒塊30係與棘輪20相鄰設置於容置槽13内，以受一彈簧件32常態 頂抵’且該棘齒塊30於相鄰棘輪20之一側設有一棘齒部31，該棘齒部31供 與該等棘齒21相嚅合；該棘齒塊30穿設一連接桿50，供棘齒塊3〇與連接桿 50呈緊配合，使該連接桿5〇可位移地穿設於定位孔15，並令棘齒塊3〇可於 容置槽13内沿定位孔15方向活動滑移，使連接桿50定位於第一調整端151 或第二調整端152 » 該調整件40係設於調整槽14内，且該調整件40之形狀係與調整槽14之 形狀一致，該調整件40於兩側分別設有一擋止面41，各擋止面41供與各限 位面141相互頂抵；該調整件40於定位孔15位置處穿設一連接元件犯，以 藉該連接元件42將連接桿50連接於調整件40，使調整件4〇可於調整槽14内 沿定位孔15方向活動滑移。 明暸上述結構後，以下係針對本創作之動作及原理作一詳細說明： 如第五圖所示，當棘輪20逆時針旋轉時，棘齒塊3〇會藉彈簧件32彈性 之力量，使棘齒塊30受棘輪20推抵而產生偏擺，以令棘齒部31與棘齒。產 生分離，此時，棘輪20即可產生逆時針空轉，而當棘輪2〇順時針旋轉時， 該棘齒部31與棘齒21即可產生嚙合，以供棘輪扳手進行操作。 如第六圖及第七圖所示，當使用者欲切換棘輪2〇轉動方向至可順操作 時’係將調整件40朝-側撥動，使連接桿5〇於定位孔15内由第—調整端⑸ 位移至第二調整端152，以帶動該棘齒塊3◦於容置槽13内位移，而改變其 與棘齒21灌合之位置，以棘細之轉向;錄獅㈣針旋轉^ 7 M407815 棘齒塊3〇會藉彈簧件32彈性之力量，使棘齒塊30受棘輪20推抵而產生偏 擺’以令棘齒部31與棘齒21產生分離，此時，棘輪20即可產生順時針空轉， 而當棘輪20逆時針旋轉時，該棘齒部31與棘齒21即可產生唾合，以供棘輪 扳手進行操作。 由於連接桿50一端連接於棘齒塊30，而另-端係透過-連接元件42連 接於調正件40，使連接桿5〇具有兩支樓點，且操作時係藉由撥動調整件4〇 以進行調整棘輪2〇之轉動方向，使連接桿5〇可隨調整件4〇於調整槽14内滑 動而產生平行位移，而並非直接施力於用以帶動棘齒塊3〇位移之連接桿· 〇因此了避免細作時作用力集中於連接桿50與棘齒塊30連接處，以避免 連接桿50容易產生斷裂之情形；再者，因切換棘輪2〇轉動時，係藉由撥動 凋整件40以進行調整，操作時僅需稍微施力撥動即可，使得操作上更為方 便且快速，並可較為省力；再者，由於該連接桿5〇係透過連接元件42連接 於調整件40，而不若前案中，係將撥動件係與一體成型設於棘齒塊上，並 使撥動件之另一端供使用者直接撥動，亦或直接連接於控制紐上，因此本 案可避免直接施力於連接桿50，而導致受力集中於棘齒塊3〇與連接桿5〇連· 接處，導致連接桿50容易產生斷裂之情形。 此外’藉由調整槽14與調整件40之配合設置，使調整槽14之限位面141 可與調整件40之擋止面41相互頂抵’藉以提高調整件4〇與容置槽14之接觸 面積’以提高其間之承載強度，避免使應力集中於連接桿5〇與定位孔15之 接觸端’亦可降低連接桿50產生斷裂之情形；另一方面，透過調整槽14與 調整件40間之配合，可使調整件40限位容置於調整槽μ内，而不會凸伸於 工具主體10兩側，因此可避免因不慎誤觸而撥動調整件40之方向。 8 貪雖本創作是以—個最佳實施例作說明，但精於此技藝者能在不脫離本 精砷與範疇下作各種不同形式的改變。以上所舉實施例僅用以戈明本 【圖式簡單說明】 第-圖係為袖作之立體組合圖。 第二圖係為本創作之立體分解圖。 第二圖係為本創作另一視角之立體分解圖。 第四圖係為第-114 _4剖面線暨魏方向所指之剖視圖。 第五圖係為本創作之動作示意圖(一）。 第六圖係為本創作之動作示意圖(二）。 第七圖係為本創作切換操作方向後之使用狀態示意圖。 M407815 【主要元件符號說明】 工具主體10 棘齒21 操作端11 接設端22 握持端12 棘齒塊30 容置槽13 棘齒部31 調整槽14 彈簧件32 限位面141 調整件40 定位孔15 擋止面41 第一調整端151 連接元件42 第二調整端152 連接桿50 握柄16 握持件161 棘輪20/ For example, the Republic of China Invention Patent Certificate No. 1297635 "ratchet reversing device for ratchet tools" mainly includes a body, a ratchet head, a ratchet block and a dial member, and the body end has a receiving groove The ratchet head is received therein, the ratchet head has one end at the axial end, the working end extends from the outer side of the body, and the spine is purely accommodated in the Rongsaki for the mutual matching with the ratchet head. Controlled by the left and right movements in the accommodating groove, and the ratchet block has a spring and a piece to provide a heterogeneous radial radial impurity; the fiber piece is end-tipped and the other end is a - plucking end 'The dialing end extends out of the outer side of the body for directly dialing the dialing end to control the side of the ratcheting (4), and the riding of the body is provided with a clamping slot at the shaft end for the The dialing end of the dialing member extends outside the head portion and the positioning slot has a first positioning portion and a second positioning portion, and the dialing end of the dialing member is selectively positionable on the first fixed portion P and . One of the first squatting portions of the sinus for the position of the sliding member to control the movement of the ratchet block. 3 M407815 Since the dial of the previous case is braided and connected to the ratchet block at a single point, and the dialing end of the dial member protrudes from the outside of the body for direct dialing to control the ratchet block The movement is therefore directly applied to the jade piece during operation to move the contact piece to the side. At this time, since the dial member only has a single point supporting the slanting edge, when the force is applied, the side is made The force will be at the junction of the yoke and the ratchet block, causing the slidable member to be prone to breakage. However, if the plucking member breaks, it must be replaced in the entire group, which is quite uneconomical. In addition, in the embodiment, the control unit is provided with a control unit, and the control button is connected to the dialing end of the dial member to control the dial member through the toggle control button, although in this embodiment Compared with the upper-real pay, because it is not directly swaying the ugly end of the lining to control the movement of Nawei, it can reduce the breakage of the joint between the brain and the ratchet block, but the plucking member will also be affected by the force. Concentrating on the 4th or 4th position of the positioning groove, so that the toggle member is broken at the contact end with the positioning groove; furthermore, because the control_covers on the body, it protrudes with the operation direction The left side or the right side of the main body, so „causes the manufacturer to accidentally _ dial _ touch the direction of the dial member. [New content] Comprehensively open the shortcomings of the prior art, generally including the above-mentioned conventional ratchet wrench hand reversing adjustment device 'Because of its structural design, the side force is concentrated on the end of the dialing member, which causes the dialing member to easily break. In addition, the control button of the rib controlled surface moving member protrudes from both sides of the body. It is easy for the user to move his or her operation direction due to accidental mishaps. In view of the above shortcomings, the present invention proposes a structural improvement of a ratchet wrench. The present invention is a structural improvement of a ratchet wrench, comprising: a tool main system having an operating end, the operating end being provided in the side recess - a slot, and the operating end is provided on the other side of the opposite receiving slot opening M407815 - an adjusting slot. The adjusting slot is respectively provided with a limiting surface on the inner walls of the left and right sides, and the adjusting slot is provided with a connection a positioning hole for the groove, the positioning hole is respectively provided with a first adjusting end and a second adjusting end at the left and right ends; a ratchet is disposed in the receiving groove, and each of the ratchets is provided with a plurality of The stalk block is disposed in the accommodating groove along the direction of the positioning hole, and the ratchet block is provided with a ratchet portion on one side of the adjacent ratchet for catering with the ratchet teeth; The positioning hole is disposed in the adjusting slot in the movable displacement direction, and the adjusting member is respectively provided with a blocking surface for abutting against each limiting surface on the two sides, and the adjusting member and the ratchet block are located at the corresponding positioning holes. Design • There is a connecting rod, and the displacement of the adjusting piece is used to position the connecting rod. The first adjustment end or the second adjustment end, and the displacement of the ratchet block is changed to change the position of the ratchet. The purpose of this creation is that the connecting rod __ end is connected to the ratchet block and the other end is transmitted through - The connecting element is connected to the Na piece, so that the connecting rod has two kinds of miscellaneous, and the lion time is adjusted by the toggle adjusting member to adjust the rotation direction of the ratchet, instead of directly applying the connecting rod for driving the ratchet block displacement. Therefore, it is possible to avoid the force concentrated on the connection between the connecting rod and the ratchet block during operation, so that the connecting rod is prone to breakage. • The second purpose of the present invention is to adjust the groove by adjusting the groove and the adjusting member. The positioning surface can be used in conjunction with the machine, so as to improve the contact area between the whole piece and the receiving groove, so as to increase the bearing strength between the two, so as to prevent the stress from being concentrated on the contact end of the connecting rod and the positioning hole. The connection rod is broken. The third purpose of the creation is to adjust the groove and the adjustment member, and cooperate with the design of the limiting surface and the stopping surface to allow the adjusting member to be placed in the adjusting groove. Do not Protruding on both sides of the main body of the tool, thereby to avoid inadvertent inadvertently dial and a direction of adjustment member. The fourth purpose of this creation is that by adjusting the setting of the adjustment piece, it is only necessary to use the slight force to dial 5 M407815 to make the operation more branched and fast, and more labor-saving. The fifth purpose of the present invention is that the tool body is provided with a holding end at the other end of the opposite operating end. The holding end is provided with a grip formed by two-piece gripping members, and the surface of each gripping member is The -carbon-like layer is recognized to present a carbon fiber-like textured surface, which increases the overall aesthetics of the handle. [Embodiment] For the convenience of description, the central idea expressed in the column of the above novel content is expressed by a specific embodiment. The various items in the embodiments are depicted in terms of ratios, dimensions, deformations, or displacements that are appropriate for the description, rather than the actual components. In the following description, similar elements are denoted by the same reference numerals. As shown in the first to fourth figures, the present invention is a structural improvement of a ratchet wrench, which mainly includes a tool body 1〇, a ratchet 2〇, a spine block 3〇, and an adjustment member. The tool body 10 has an operation_and a holding end 12, and the operating end is recessed with a receiving groove 13 on one side, and the operating end is disposed on the other side of the opening of the receiving groove 13 An adjusting slot 14 is disposed on the inner wall of the left and right sides of the adjusting slot 14 respectively. The adjusting slot is provided with a positioning hole 15 communicating with the receiving slot 13 at the left and right ends. The sub-position has a _-adjustment end (5) and a second adjustment end 152; the grip end 12 is provided with a handle 16 which comprises a two-piece lining 161, the two grips 16 彳Interlocking with the grip end 12, the manner of engagement is "the one can be closed, for example, can be combined (10) or _, or combined in two ways; and to increase the aesthetics of the grip 16, it can be more gripping (6) The surface is provided with a carbon fiber-like layer to present a carbon fiber-like tread. The ratchet wheel 2 is inserted into the accommodating groove 13 and is provided with a plurality of ratchet teeth M407815 21 ', and the ratchet wheel 20 extends in the opening direction of the corresponding accommodating groove 13 to provide a connecting end 22 for convex The connecting end 22 is movably connected to a sleeve (not shown). The ratchet block 30 is disposed adjacent to the ratchet wheel 20 in the accommodating groove 13 to be normally abutted by a spring member 32 and the ratchet block 30 is provided with a ratchet portion 31 on one side of the adjacent ratchet wheel 20, The ratchet portion 31 is engaged with the ratchet teeth 21; the ratchet block 30 is disposed with a connecting rod 50 for tightly engaging the ratchet block 3〇 with the connecting rod 50, so that the connecting rod 5〇 is displaceable The grounding rod 15 is disposed in the positioning hole 15 and the ratchet block 3 is movably movable in the accommodating groove 13 along the positioning hole 15 to position the connecting rod 50 at the first adjusting end 151 or the second adjusting end 152 » The adjusting member 40 is disposed in the adjusting groove 14, and the shape of the adjusting member 40 is consistent with the shape of the adjusting groove 14. The adjusting member 40 is respectively provided with a blocking surface 41 on both sides, and each blocking surface 41 is provided for each The limiting surface 141 is abutting against each other; the adjusting member 40 is disposed at a position of the positioning hole 15 through a connecting component to connect the connecting rod 50 to the adjusting member 40, so that the adjusting member 4 can be adjusted in the slot 14 is slidably moved along the positioning hole 15 in the inner direction. After the above structure is clarified, the following is a detailed description of the action and principle of the present creation: As shown in the fifth figure, when the ratchet 20 rotates counterclockwise, the ratchet block 3 turns the elastic force of the spring member 32 to make the spine The tooth block 30 is biased by the ratchet 20 to generate a yaw so that the ratchet portion 31 and the ratchet teeth. Separation occurs, at which point the ratchet 20 can be counterclockwise idling, and when the ratchet 2 is rotated clockwise, the ratchet portion 31 and the ratchet 21 can be engaged for operation by the ratchet wrench. As shown in the sixth and seventh figures, when the user wants to switch the rotation direction of the ratchet 2 to the operative operation, the adjustment member 40 is moved toward the side, so that the connecting rod 5 is placed in the positioning hole 15 by the first - the adjustment end (5) is displaced to the second adjustment end 152 to drive the ratchet block 3 to displace within the accommodating groove 13, and change its position with the ratchet 21 to make a spine; the lion (four) needle Rotating ^ 7 M407815 The ratchet block 3 〇 causes the ratchet block 30 to be biased by the ratchet 20 to generate a yaw by the elastic force of the spring member 32 to separate the ratchet portion 31 from the ratchet 21, at this time, the ratchet 20 can produce clockwise idling, and when the ratchet 20 rotates counterclockwise, the ratchet portion 31 and the ratchet 21 can be sprinkled for operation by the ratchet wrench. Since one end of the connecting rod 50 is connected to the ratchet block 30, and the other end is connected to the adjusting member 40 through the connecting member 42, the connecting rod 5 has two floor points, and is operated by the toggle adjusting member. 4〇 to adjust the rotation direction of the ratchet 2〇, so that the connecting rod 5〇 can be parallelly displaced as the adjusting member 4 slides in the adjusting groove 14, and is not directly applied to drive the ratchet block 3〇 displacement. The connecting rod 〇 〇 〇 避免 避免 避免 避免 避免 作用 避免 避免 避免 避免 作用 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免 避免The whole component 40 is moved to adjust, and only a little force is needed during the operation, which makes the operation more convenient and fast, and can be more labor-saving; further, since the connecting rod 5 is connected through the connecting member 42 In the adjusting member 40, and not in the previous case, the dialing member is integrally formed on the ratchet block, and the other end of the dialing member is directly used for the user to move, or is directly connected to the control button. Therefore, this case can avoid direct application of force to the connecting rod 50, and The force is concentrated on the connection of the ratchet block 3〇 and the connecting rod 5, which causes the connecting rod 50 to be easily broken. In addition, by adjusting the matching arrangement of the groove 14 and the adjusting member 40, the limiting surface 141 of the adjusting groove 14 can be abutted against the blocking surface 41 of the adjusting member 40 to improve the adjusting member 4 and the receiving groove 14 The contact area 'to increase the bearing strength therebetween, to avoid stress concentration on the contact end of the connecting rod 5 〇 and the positioning hole 15' can also reduce the breakage of the connecting rod 50; on the other hand, the adjusting groove 14 and the adjusting member 40 The matching between the adjusting members 40 can be placed in the adjusting groove μ without protruding on both sides of the tool body 10, so that the direction of the adjusting member 40 can be avoided by accidentally touching. 8 Corruption Although this creation is illustrated by a preferred embodiment, it is true that those skilled in the art can make various forms of change without departing from the essence and scope. The above embodiment is only used for Ge Mingben [Simple description of the drawing] The first figure is a three-dimensional combination diagram of the sleeve. The second picture is a three-dimensional exploded view of the creation. The second picture is a three-dimensional exploded view of another perspective of the creation. The fourth picture is a cross-sectional view of the -114 _4 section line and the direction of the Wei. The fifth picture is a schematic diagram of the action of this creation (1). The sixth picture is a schematic diagram of the action of this creation (2). The seventh figure is a schematic diagram of the state of use after the creation of the switching operation direction. M407815 [Description of main components] Tool body 10 Ratchet 21 Operating end 11 Connecting end 22 Grip end 12 Ratchet block 30 accommodating groove 13 Ratchet 31 Adjusting groove 14 Spring member 32 Limiting surface 141 Adjusting member 40 Positioning Hole 15 stop surface 41 first adjustment end 151 connecting element 42 second adjustment end 152 connecting rod 50 grip 16 gripping member 161 ratchet 20