201114551 六、發明說明： 【發明所屬之技術領域】 本發明係—槪動扳手，制侧於-種既可快迷調整 亦可微調兩顎開口大小之活動扳手者。 【先前技術】 習用活動扳手之活動顎係設成可相對滑道面滑移者，進而調 整其與固定綱的開口大小。部分活動扳手係搭配_齒塊而調整 上述開口大小，如美國專利1523093號所示，然此種活動扳手並 不具有微調功能，其並非漸進式地調整兩顎間的開口大小，是以 兩顎夾與螺固件之間無可避免地具有間隙而不利完全咬合。 另一種常見的活動扳手係搭配一成螺紋狀之堝姆，並藉由轉 動該蝸姆而帶動活動顎滑移。此種活動扳手雖具有可微調兩顎間 的開口大小，然市面上並未見有其活動顎可相對滑道面快速滑移 之功能者。先前雖有部分針對活動顎快速調整功能之討論，然因 遭遇技術上的困難而不易製造、難以量產推廣。 例如，美國專利1334392號所示，其揭示一可快速調整之管 夾，其蝸姆係可選擇性地與活動顎齒部脫離抵頂關係，令活動顎 可快速滑移，然因其係將該蝸姆機構、活動顎及其他相關機構額 外設置於柄部侧邊’與本發明所討論之活動扳手型態中，該堝姆 及活動顎齒排皆係設置於頭部内相比，可知該美國專利案之活動 板手體積龐大、組裝不易，並不符合目前手工具之設計趨勢。 另外’美國專利1228850號及1407528號各揭示了一種活動 201114551 扳手，其堝姆機構及活動顎齒排皆係設置於 磲4内，該蝸姆機構 雖可選擇性地與齒排脫離咬合關係，然卻衍伸有二主要問題.（1) 該蜗姆機構皆係1樞設，另端可減的方式結合於頭此= 樞擺手段將直接導致_機構在樞擺時，其與齒排之間將呈非平 行排列，而不利該齒排與蝸姆機構再次對位咬合；（2)另一難以 解決關題在於，為提供足触間偶姆機構之軸桿樞擺，必= 利用銑刀銑削長縱向的剖槽，該長縱向剖槽的水平深度過大，致 使銑刀在高速旋轉銑削時，該銑刀整個侧面受力而易朝縱向彎 曲’且其彎_猶斜深度增加而朗，是故在銑刀高速旋轉 時，將造成銑77刀身疲勞破壞_裂的情形發生，乃係此種設計 無法量產甚至實現的主要原因之一。 有鑑於此，如何提供一種兼具快速調整與微調功能之活動板 手’同時又可提升贱、降低成本並實現量產化，乃為本發明著 眼之重點。 【發明内容】 本發明之主要目的是提供—種兼具快速調整與微調功能之活 動扳手。 一 $了達成上述目的所提供之活動扳手包括—柄部、一頭部、 疋顎/舌動顯、一定位單元、一堝姆（worm gear)及一彈 性單=。铜部具有—滑連賴槽之容置槽，於滑槽頂面形 成有對滑道面’該活動顎則具有一齒排，該齒排係可滑移地容 置於π槽内’是以該活動射沿該滑麻滑移而靠近或遠離該固 201114551 定顎。此外，該定位單元係設置於容置槽内，其包括一對平行且 間隔β又置之臂部’各該臂部具有—沿其延伸方向^置之長槽。該 蝸姆包括糾干及一概呈圓柱形之鋸齒部，該軸桿言免置於錯齒部 之軸。處該雜齒部位於該對臂部之間，該轴桿二端分別容置於 該對#摘長槽内，令該堝姆可沿該長槽延伸方向直線滑移，該 鑛齒4並選擇性地與該赫成咬合義，而該彈性件則提供蜗姆 朝齒排方向移動之力。其巾，該鑛齒部具有成螺紋狀的鑛齒，該 鑛齒具有-前斜面及-後斜面，該前斜面係於該活動扳手工作板 轉時供齒排抵頂’該後斜面則係於活動顎翻定财向滑移時供 齒排推抵者。 藉由上述設計’本發敗獅機射選擇性地触排脫離抵 頂關係’卻免除㈣技藝之長縱向靖不易加1的缺失，故本發 明之活動扳手製造難度大幅降低，在降低成本_時，更進一步 讓量產成射能。藉此，將有獅此種兼躲_整與微調功能 之活動扳手的推廣額，俾利造福廣大活動扳手使用者。 【實施方式】 以下將藉由數實施例說明本發明之結構特徵、操作方式及其 職達成之魏，触_錄师發_魏護之财，合先 敘明。 首先，請參考圖i至圖3八。在本發明之較佳實施例中，該活 動扳手係包括-柄部1()、-頭部2G、—固定顎3g、—活動額、 -定位單元50、-堝姆60、一彈性單元7〇及一固定手段。其中， 201114551 該柄部ω係供個者握持，該頭部2G設置於柄部iq —端，該頭 部2〇具有-滑槽21及-容置槽22，該滑槽2ι與容置槽22相互 連通’於滑槽頂面形成有一滑道面23，較佳者，該容置槽幻 係成貫穿頭部2〇之設料鍵四訊。_本實施罐於柄部1〇 一端設有供驅動螺固件之頭部20，然柄部1〇另端亦可依需求設置 與頭部20相同或不同類型之驅動頭，以增加使用上的彈性。 該固定顎30係固設於頭部20 一端，該活動顆4〇則具有一位 於其底端之_4卜該齒排41係可滑移地容置於鱗槽21内， 疋以該活觸4G可沿該妓面23之延伸方向滑料靠近或遠離 該固定顎3G，進而改變該活動扳手之_夾開口大小。 該定位單元50係設置於該容置槽22内，該定位單元5〇包括 -對平行且間隔設置之臂部51，以及連接於該二臂部51底端之連 結部52 (惟於本實施例中，該連結部a亦可省略而不設置），該 連結部52較佳者係與臂部51 -體·而用賴定該二臂部51之 相對位置，令該定位單元50概呈u形。各該臂部51具有一沿其 延伸方向設置之長槽53 ’且各該臂部51更開設有一連通長槽幻 之孔洞54 ’該孔洞54遠離長槽53之一端則可依需求而設計成封 閉狀或垂直貫穿該臂部51底面（如本實施例所示）。該彈性單元 7〇係用以提供螞姆60朝齒排41方向移動之力，其包括二彈簧71， 該二彈簧71係分別設置於該二臂部51之孔洞54内，且各該彈簧 71之一端抵頂於蜗姆60之軸桿61。當該孔洞54呈貫穿設計時， 胃彈簧卩可減麟綱，並得作缺位該定 201114551 位單元與頭部之間的相對位置使用。 該固疋手多又係用以固定定位單元50與頭部2〇之間的相對位 置，其包括一銷81及一銷孔82，較佳者更包括一副銷幻及一副 銷孔84，該銷孔82係概呈圓孔（亦可為其他形狀）而橫向設置於 該頭部20上，且該銷孔82連通於該容置槽22，該銷81則插設固 定於銷孔82内’且該銷81的-端頂設於其中—臂部51之長槽内； 而該副銷孔84 -端連舰容置槽22，另醒糊狀，該副^幻 設置於副銷孔84内，該_ 83 -端頂設於另-臂部51之長槽内， 該螞姆60之軸桿61恰位於該銷81及副銷83之間，並令定位單 疋之相對位置得以歐。又，闕81觸孔82較佳者係具有螺 紋而相互螺設者’祕可微調闕81之水平位置及其與轴桿^ 之間的鬆緊程度。 、 該蝎姆60包括上述軸桿61及一概呈圓柱形之鑛齒部纪，該 軸桿61設置於鑛齒部62之軸心處，該鑛齒部62係位於該對臂部 51之間’該軸桿61兩端分別容設於該對臂部51的長槽％内，人 m細53延伸方向直線滑移1由於_ 61二 皆可滑動’使堝姆60得以與齒排41概呈平行地上下移動。該錄 =62係選擇性地與該麵41成咬合義，亦即，因該禍姆如 文彈性單元7〇推抵’該鋸齒部62於正常狀態下係與齒排4ι咬合 而當使用者撥動_ 60向下時，該織部62即可與齒排二 ，合關係’令活動顎4〇可沿滑道面23快速滑移。其中’該錄齒 # 62具有成螺紋狀之鑛齒幻，較佳者該鑛齒63係呈單—、連續 201114551 螺旋狀設置於織部62表面，該職63具# —前斜面64及一後 斜面65,該前斜面64係於該活動扳手工作扳轉時供齒排4ι抵頂， 該後斜面65則係於活動顎*朝岐顎％方向滑移時供齒排41201114551 VI. Description of the Invention: [Technical Field of the Invention] The present invention is a swaying wrench which is used for side-by-side adjustment of an adjustable wrench which can adjust the size of two openings. [Prior Art] The activity of the conventional spanner is designed to be slippery relative to the slide surface, thereby adjusting the size of the opening to the fixed frame. Some of the adjustable wrenches are sized to match the size of the opening, as shown in U.S. Patent No. 1,523,093. However, the adjustable wrench does not have a fine adjustment function, and it does not progressively adjust the size of the opening between the two turns. There is inevitably a gap between the clip and the screw without being completely engaged. Another common spanner is paired with a threaded cymbal and is driven to move by moving the worm. Although the adjustable wrench has the ability to fine-tune the opening between the two turns, there is no function on the market that can be used to quickly slide relative to the slide surface. Although some of the previous discussions on the rapid adjustment function of the event, due to technical difficulties, it is not easy to manufacture, and it is difficult to mass production promotion. For example, as shown in U.S. Patent No. 1,334,392, which discloses a quick-adjustable pipe clamp, the volute can be selectively detached from the movable dent portion to allow the movable raft to slide quickly, but The worm mechanism, the movable raft and other related mechanisms are additionally disposed on the side of the handle ′ in the type of the adjustable wrench discussed in the present invention, and the cymbal and the movable dent row are disposed in the head, as is known. The US patent case has a large size and is difficult to assemble, and does not conform to the current design trend of hand tools. In addition, U.S. Patent Nos. 1,228,850 and 1,407,528 each disclose an activity 201114551 wrench in which the 埚me mechanism and the movable dentition row are disposed in the 磲4, and the worm mechanism can selectively detach from the tooth row. However, there are two main problems in the extension. (1) The sturdy mechanism is 1 pivoted, and the other end can be combined with the head. The pivoting means will directly cause the _ mechanism to pivot and its gear row. There will be non-parallel arrangement between them, but the tooth row and the volute mechanism will be aligned again. (2) Another problem that is difficult to solve is that the shaft pivoting for providing the inter-touch inter-mechanism mechanism must be utilized. The milling cutter mills a long longitudinal slot, the horizontal depth of the long longitudinal slot is too large, so that when the milling cutter is rotated at high speed, the entire side of the cutter is forced to bend in the longitudinal direction and the bending depth increases. Lang, so when the milling cutter rotates at a high speed, it will cause the fatigue of the milling machine 77 to break and crack, which is one of the main reasons why this design cannot be mass-produced or even realized. In view of this, how to provide a mobile player with both rapid adjustment and fine-tuning functions while at the same time improving the defect, reducing the cost and mass production is the focus of the present invention. SUMMARY OF THE INVENTION The main object of the present invention is to provide an active wrench that has both a quick adjustment and a fine adjustment function. One of the adjustable wrenches provided for the above purposes includes a handle, a head, a tongue/tongue movement, a positioning unit, a worm gear and an elastic single=. The copper portion has a receiving groove for sliding the groove, and a pair of abutting surface is formed on the top surface of the sliding groove. The movable row has a tooth row, and the tooth row is slidably accommodated in the π groove. The activity is directed along the slippery slip to approach or away from the solid 201114551. Further, the positioning unit is disposed in the accommodating groove, and includes a pair of parallel and spaced-apart arms. Each of the arms has a long groove disposed along the extending direction thereof. The worm includes a tangled and cylindrically shaped serration that is free of the axis of the misaligned portion. The toothed portion is located between the pair of arms, and the two ends of the shaft are respectively received in the pair of long picking grooves, so that the 埚m can be linearly slid along the extending direction of the long groove, and the ore teeth 4 Optionally, the elastic member provides a force for the volute to move toward the row of teeth. The towel has a threaded ore tooth having a front slanting surface and a rear slanting surface, the front slanting surface is attached to the top of the slanting surface of the movable wrench when the working plate is rotated For the activity 颚 to turn the financial slippage when the tooth row is pushed. With the above design 'this smashed lion machine shot selectively detached from the top relationship', but exempted from (4) the length of the skill is not easy to add 1 missing, so the invention of the movable wrench manufacturing difficulty is greatly reduced, reducing costs _ At the same time, let the mass production become the energy. In this way, the promotion amount of the lion with the lion's function of hiding and tidying and fine-tuning will benefit the users of the adjustable wrench. [Embodiment] Hereinafter, the structural features, operation modes, and the functions of the present invention will be described by way of several embodiments, which are described in the following. First, please refer to Figure i to Figure 8. In a preferred embodiment of the invention, the adjustable wrench comprises - a handle 1 (), a head 2G, a fixed jaw 3g, a movable amount, a positioning unit 50, a - 60, an elastic unit 7 And a fixed means. Wherein, the handle ω is held by the individual, and the head 2G is disposed at the end of the shank iq, and the head 2 〇 has a chute 21 and a accommodating groove 22, and the chute 2 ac The slots 22 are connected to each other. A chute surface 23 is formed on the top surface of the chute. Preferably, the accommodating slot is formed by the material of the head 2 。. _ The present embodiment is provided with a head 20 for driving the screw on one end of the handle, and the other end of the handle can be provided with the same or different types of driving heads as the head 20 to increase the use. Flexibility. The fixed cymbal 30 is fixed at one end of the head 20, and the movable cymbal 4 具有 has a _4 at the bottom end thereof. The tooth row 41 is slidably received in the scale groove 21, The touch 4G can slide the material closer to or away from the fixed jaw 3G along the extending direction of the top surface 23, thereby changing the size of the clip opening of the adjustable wrench. The positioning unit 50 is disposed in the accommodating groove 22, and the positioning unit 5 includes a pair of parallel and spaced arm portions 51, and a connecting portion 52 connected to the bottom end of the two arm portions 51 (only in this embodiment) In the example, the connecting portion a may be omitted and not provided. The connecting portion 52 is preferably connected to the arm portion 51 - and the relative position of the two arm portions 51 is determined, so that the positioning unit 50 is u shape. Each of the arm portions 51 has a long groove 53 ′ disposed along the extending direction thereof, and each of the arm portions 51 further defines a hole extending through the long groove. The hole 54 is away from the end of the long groove 53 and can be designed according to requirements. The bottom surface of the arm portion 51 is closed or vertically (as shown in this embodiment). The elastic unit 7 is configured to provide a force for the tamper 60 to move in the direction of the tooth row 41. The two springs 71 are respectively disposed in the holes 54 of the two arm portions 51, and the springs 71 are respectively disposed. One end abuts against the shaft 61 of the volute 60. When the hole 54 is designed to pass through, the gastric spring can be reduced, and it is used as a relative position between the unit and the head. The fixing mechanism is used to fix the relative position between the positioning unit 50 and the head portion 2, and includes a pin 81 and a pin hole 82. Preferably, the fixing pin includes a pair of pins and a pair of pin holes 84. The pin hole 82 is formed in a circular hole (other shape) and is laterally disposed on the head portion 20, and the pin hole 82 communicates with the receiving groove 22, and the pin 81 is inserted and fixed to the pin hole. 82, and the end of the pin 81 is disposed therein - the long groove of the arm portion 51; and the auxiliary pin hole 84 - the end of the ship accommodating the groove 22, another wake up, the pair is set to the vice In the pin hole 84, the _83-end is disposed in the long groove of the other arm portion 51, and the shaft 61 of the tamer 60 is located between the pin 81 and the auxiliary pin 83, and the relative position of the positioning unit is The location is in Europe. Further, the 阙81 contact hole 82 preferably has a thread and is screwed to each other to precisely adjust the horizontal position of the cymbal 81 and the degree of tightness with the shaft. The cymbal 60 includes the shaft 61 and a substantially cylindrical ore portion, the shaft 61 is disposed at the axial center of the ore portion 62, and the ore portion 62 is located between the pair of arms 51 'The two ends of the shaft 61 are respectively accommodated in the long groove % of the pair of arm portions 51, and the straight line slips in the direction in which the human m 53 extends. Since both of the _ 61 are slidable, the 60 60 can be aligned with the tooth row 41. Move up and down in parallel. The record=62 is selectively occluded with the face 41, that is, because the scam is pushed by the elastic unit 7〇, the user is engaged with the tooth row 4ι under normal conditions. When the toggle _ 60 is downward, the woven portion 62 can be combined with the tooth row 2 to make the movable 颚 4 快速 slide along the slide surface 23 quickly. Wherein the 'recording tooth # 62 has a threaded ore tooth illusion, preferably the ore 63 is a single--, continuous 201114551 spirally disposed on the surface of the woven portion 62, the position 63 - the front slant 64 and one after a slanting surface 65 for the tooth row 4 ι when the adjustable wrench is turned, and the rear inclined surface 65 is for the tooth row 41 when the movable 颚* is slid in the % direction
推抵者’較佳者，該後斜面65與基準面之間係如圖4所示而形成 一後斜角Θ3，該後斜角θ3係介於3〇。至％。，藉此使用者得如圖 犯所示而直接施予活動顎4〇 一朝固定顎3〇方向移動之力，令該 媧姆6〇得到—補大之垂直分力而向下移動，即可令活動顎40 快速地咬合一螺固件，後並藉由旋轉該蜗姆60而微調活動顎4〇 與螺固件的咬合鬆緊度，達到兼具「快速機、細部微調」之效。 、請繼續參考圖4，為避免該活動扳手扳動_件時，該蜗姆 6〇受力向下移動致與齒排41脫離咬合關係，故該前斜角θ2較佳 者應;I於0至_1〇 ’其中該前斜角02係由前斜面μ偏離一基準 面之傾斜肖度所々義，上述基準面係指垂直姉延伸方向之虛擬Preferably, the pusher is formed such that a rear bevel Θ3 is formed between the rear bevel 65 and the reference surface as shown in Fig. 4, and the rear bevel angle θ3 is 3 〇. to%. In this way, the user can directly apply the activity to move in the direction of the fixed 颚3〇 as shown in the figure, so that the 娲6 〇 〇 — 补 补 补 补 补 补 补 补 补 补 补 补 补 补 补 补 补The movable 颚40 can quickly engage a screw and then fine-tune the occlusion tightness of the movable 颚4〇 and the screw by rotating the cigar 60, thereby achieving the effect of “fast machine, fine-tuning”. Please refer to FIG. 4 again. In order to prevent the movable wrench from being pulled, the worm 6 〇 is forced to move downward to disengage the tooth row 41, so the front slant angle θ2 is preferred; 0 to 〇 〇 ', wherein the front bevel 02 is defined by the inclination of the front bevel μ from a reference plane, and the reference plane refers to the virtual extension direction.
平:又月ij、後斜面64、65各具有一遠離軸桿之第一邊及 罪近軸杯之第二邊’當第一邊較第二邊更接近該錯齒中心時， 該傾斜角度為正’反之，當第二邊較第—邊更接近該鋸齒中心時， 該傾斜角度為負。 ;Μ斜角θ2係為負角或〇。’因此齒排施力抵頂於前斜 1即不會產生令蜗姆6〇向下移動雜齒排Μ之力，甚至當 負角的情況下’可預期達成活動扳手越用力扳動螺固 件’鑛齒部62越咬合齒排41之效。 、述月j斜角之〇。或負角設計外，亦可如圖5所示，藉由 201114551 d 輸23樓㈠綱Θ1，該前斜面 ”轴从伸方向之間同樣形成有―前斜角θ2，且θι_。此時， 純斜^即可為—正肖岭便加工製造，例如，傾斜角ei為 7 ’而剛斜角Θ2為5。’如此即可避免活動顎施力扳轉螺固件時， 堝姆受力自發向下移動的情形發生。 如圖6A、6B及圖7所示，在本發日月之另一實施例中，其主 2件概與㈣實獅削，惟其二細％係彼此平行設置於連 結部52上，該孔洞54’亦可貫穿該連結部52，該彈性單元除包括 該一彈育71外，更包括一抵頂片72，該二彈簧71係設置於該二 孔洞54’内’各該彈簧71之—端係抵頂於抵頂片72之—面，彈菁 另端則抵頂於頭部20，而該抵頂片72之另面係包覆該蜗姆鑛齒： 62之一部分，較佳者，該抵頂片72上利用沖壓形成有二凸柱73， 供各該彈簧-端套設定位，且抵細72包覆織部62之一面係 弧狀面’即如圖8所示，該弧狀面之弧度恰實質相等或略大於 鋸齒部62最大徑之弧度。由於本實施例係將彈性單元設於連結部 52上，而非兩臂部51處，故可較為減縮該活動扳手頭部的寬度， 俾縮小活動扳手之體積與重量。 由上可知，本發明之活動扳手，不僅可利用旋轉蝸姆而微調 兩顎夾之間的間距，更可藉由令蜗姆與齒排脫離咬合關係而令活 動顎可快速滑移，俾可快速調整開口大小。同時，本發明藉由額 外裝設一定位單元，且該定位單元之加工難度及成本，皆遠遠優 異於先前技藝；更明確地說，由於本發明僅於臂部上開設長槽， 201114551 而不需於整麵部開設’因臂部寬度較小，故銳膽其上銳削長 槽時不會斷裂’反之’先前技藝因直接在頭部賴長縱向剖槽， 不僅加工困難’更會導致銑麟㈣繁之問題。故，本發明解決 長期以來此歸具快速調整與微調魏之活動扳林利加工的問 題’達成降低成本之重要經濟时，同時令量產化成為可能，即 可望造福廣大使用者。 此外，上述具有可脫離齒排之堝姆機構的活動扳手，皆為二 零年代左右的美國專利，至今超過8G年間，未有相關專利探討解 、、月】过問4之方法，尤其在活動扳手此一純熟的技術領域中，活 動扳手相’咐請量不下數萬，卻未有如同本發_時達到降 低成本、提可實現量產化之齡設計，足錄證本發明 確有顯著進步之功效而非可輕易完成者。 是故，本發明不僅結構新穎實用，更具有顯著進步之功效， 符合本國專利法相關規定，爰依法提起專利申請，鏹請鈞局早 曰核予專利，實感德便。 【圖式簡單說明】 圖1為本發明第一實施例之分解圖。 圖2為本發明第一實施例之組合圖。 圖3A為本發明第一實施例之部分剖面示意圖。 圖3B為本發明第一實施例使用狀態之剖面示意圖。 圖4為本發明第一實施例之堝姆之示意圖及其部分放大圖。 曹 201114551 圖5為本發明第二實施例之示意圖。 圖6A為本發明第三實施例之部分剖面示意圖。 圖6B為本發明第三實施例使用狀態之剖面示意圖。 圖7為圖6A之AA剖面圖。 圖8為本發明第三實施例之抵頂片之示意圖。 【主要元件符號說明】 10 :柄部 20 :頭部 21 :滑槽 22 :容置槽 23 :滑道面 30 :固定顎 40 :活動顎 41 :齒排 50 :定位單元 51 :臂部 52 :連結部 53 :長槽 54、54’ ：孔洞 60 :蝸姆 61 :軸桿 62 :鋸齒部 63 :鋸齒 64 :前斜面 65 :後斜面 70 :彈性單元 71 :彈簧 72 :抵頂片 73 :凸柱 81 :銷 82 :銷孔 83 :副銷 84 :副銷孔 Θ1 :傾斜角 Θ2 :前斜角 Θ3 :後斜角Flat: the month ij, the back slopes 64, 65 each have a first side away from the shaft and the second side of the sin-axis cup. When the first side is closer to the center of the wrong tooth than the second side, the angle of inclination To be positive, conversely, when the second side is closer to the center of the sawtooth than the first side, the angle of inclination is negative. The skew angle θ2 is a negative angle or 〇. 'Therefore, the force of the tooth row against the front slant 1 will not produce the force that causes the worm 6 〇 to move the squeegee downwards. Even in the case of a negative angle, it is expected that the wrench will be forced to pull the screw. The more the mineral tooth portion 62 bites the tooth row 41. , the description of the month j bevel. Or the negative angle design, as shown in Fig. 5, by the 201114551 d, the 23rd floor (1), the front bevel axis is also formed with a front rake angle θ2 and θι_ from the extension direction. Pure oblique ^ can be made - Zheng Xiao Ling processing, for example, the tilt angle ei is 7 ' and the bevel angle Θ 2 is 5. 'This can avoid the active force when the force is turned to screw the firmware, the force is spontaneous The movement of the downward movement occurs. As shown in FIGS. 6A, 6B and 7, in another embodiment of the present day and the month, the main 2 pieces are compared with the (4) solid lions, but the second % are arranged in parallel with each other. The connecting portion 52 can also extend through the connecting portion 52. The elastic unit includes an abutting piece 72, and the two springs 71 are disposed in the two holes 54'. The ends of the springs 71 abut against the top surface of the topsheet 72, the other ends of the springs abut against the head 20, and the other side of the topsheet 72 covers the volute teeth: In one part of 62, preferably, the apex piece 72 is formed by punching with two protrusions 73 for each spring-end sleeve to set a position, and the abutment 72 covers one side of the woven part 62. The arcuate surface is as shown in Fig. 8. The arc of the arcuate surface is substantially equal or slightly larger than the arc of the largest diameter of the serration 62. Since the embodiment is provided with the elastic unit on the joint portion 52 instead of the two arms At the portion 51, the width of the adjustable wrench head can be reduced, and the volume and weight of the adjustable wrench can be reduced. As can be seen from the above, the adjustable wrench of the present invention can not only finely adjust the spacing between the two jaws by using the rotating worm. Moreover, the movable jaw can be quickly slid by the occlusion relationship between the volute and the tooth row, and the opening size can be quickly adjusted. At the same time, the present invention additionally installs a positioning unit, and the processing difficulty of the positioning unit And the cost is far superior to the prior art; more specifically, since the present invention only has a long groove on the arm, 201114551 does not need to be opened on the entire face. 'Because the arm width is small, it is sharp on it. Sharp cutting long grooves will not break 'inversely'. The previous technique is because the longitudinal section is directly on the head, which is not only difficult to process, but also causes the problem of milling (four). Therefore, the present invention solves the problem of rapid adjustment and long-term adjustment. micro- The issue of Wei's activities to solve the problem of Lin Li's processing, when it comes to achieving an important economy to reduce costs, and at the same time making mass production possible, can be expected to benefit the majority of users. In addition, the above-mentioned adjustable wrench with a 埚m mechanism that can be separated from the tooth row, All of them are US patents around the 1920s. So far more than 8G years, there are no related patents to explore solutions, and the method of questioning 4, especially in the skillful technical field of adjustable wrenches, No less than tens of thousands, but there is no such thing as the cost reduction and the realization of mass production at the time of this issue. The invention has achieved remarkable progress rather than being easily accomplished. Therefore, the present invention is not only The structure is novel and practical, and it has the effect of making remarkable progress. It conforms to the relevant provisions of the national patent law, and filed a patent application according to law, and urged the bureau to approve the patent as early as possible. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded view of a first embodiment of the present invention. Figure 2 is a combination diagram of the first embodiment of the present invention. Fig. 3A is a partial cross-sectional view showing the first embodiment of the present invention. Fig. 3B is a schematic cross-sectional view showing the state of use of the first embodiment of the present invention. Fig. 4 is a schematic view showing a timid of the first embodiment of the present invention and a partial enlarged view thereof. Cao 201114551 Figure 5 is a schematic view of a second embodiment of the present invention. Figure 6A is a partial cross-sectional view showing a third embodiment of the present invention. Figure 6B is a cross-sectional view showing the state of use of the third embodiment of the present invention. Figure 7 is a cross-sectional view taken along line AA of Figure 6A. Figure 8 is a schematic view of a top sheet of a third embodiment of the present invention. [Main component symbol description] 10: Handle 20: Head 21: Chute 22: accommodating groove 23: Slide surface 30: Fixed 颚 40: Active 颚 41: Tooth row 50: Positioning unit 51: Arm 52: Connecting portion 53: long groove 54, 54': hole 60: volute 61: shaft 62: serration 63: serration 64: front bevel 65: rear bevel 70: elastic unit 71: spring 72: apex 73: convex Column 81: pin 82: pin hole 83: secondary pin 84: secondary pin hole Θ1: inclination angle Θ2: front bevel angle :3: rear bevel angle
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