2011/09/01修正替換頁 五、新型說明： 【新型所屬之技術領域】 本創作係有關一種建設機具之鏟齒改良結構，尤指一 種具有卡抵結構而可防止齒尾由齒座上脫落之結構改良。 【先前技術】 請參閱美國專利公告第5 7 0 9 0 4 3號發明案，其 係揭露一種習用建設機具之鏟齒結構，如其第1 6圖中所 示（於此將所述元件加註該案之元件符號，以便說明），其 係以一擋柱1 7 5設於一齒座1 3中，該齒座1 3外係套 設一齒尾12 ’該齒尾1 2於兩側分別具有一穿孔14 5，各該穿扎1 4 5係分別具有一斜面χ 5丄，而該擋柱 17 5對應設有另一斜面2 1 8，藉此各該擋柱1 γ 5之 斜面2 1 8於該齒尾1 2裝設時係阻擋在各該穿孔i 4 5 之斜面151，歧位該齒尾12於該齒座13。然而， 當建設機具之鏟齒進行挖掘時，由於該齒座i 3内部係受 該齒尾1 2末端的撞擊叫始產生間隙，此時該齒座工3 與齒尾1 2間的相對位移增加，故於挖掘時易造成各該穿 孔145之斜面151朝各該擋板175之斜面218方 向壓抵，以導致各該擋柱175内縮，此時極易造成該齒 尾12會在非預期的狀況下脫離該齒座i 3，⑽產生工 安問題。2011/09/01Revised replacement page V. New description: [New technical field] This creation is related to the improved structure of the shovel tooth of a construction machine, especially a card with a snap-in structure to prevent the tooth tail from falling off the tooth holder. The structure is improved. [Prior Art] Please refer to the US Patent Publication No. 5 7 0 0 0 3 3, which discloses a shovel structure of a conventional construction machine, as shown in Fig. 16 (where the components are filled The component symbol of the case, for the sake of explanation), is provided in a tooth holder 13 by a stopper column 175, and the tooth holder 13 is provided with a tooth tail 12' Each has a perforation 14 5 , each of which has a bevel χ 5 分别 , and the baffle 17 5 is correspondingly provided with another inclined surface 2 1 8 , whereby the ribs of each of the blocking posts 1 γ 5 When the tail 12 is installed, the inclined surface 151 of each of the through holes i 4 5 is blocked, and the tooth tail 12 is located at the tooth holder 13 . However, when the tooth of the construction tool is excavated, the internal displacement of the tooth holder i 3 is caused by the impact of the end of the tooth tail 12, and the relative displacement between the tooth holder 3 and the tooth tail 12 is obtained. When the excavation is performed, the inclined surface 151 of each of the through holes 145 is pressed against the inclined surface 218 of each of the baffles 175 to cause the respective retaining posts 175 to retract, and the tail 12 is likely to be in the non-defective manner. Deviation from the adapter i 3 under the expected condition, (10) creates a safety problem.
V VM415929 2011/09/01修正替換頁 此外，由於此鏟齒結構係該齒座i . 2的兩側分別凸設一擋柱17 5 ’雖各該擋柱丄7 5必須 以夾持工具始能令其内縮以便取出齒尾i 2，惟當挖掘^ 業進行的過程中，被鏟起的土時易屯積在各鏟齒間，且因 挖掘時的力量容易造成土石壓迫到各該擋柱丄7 5，亦同 樣有造成該齒尾1 2於非預期的狀況下由該齒座丄3上脫 落之虞慮。 因此，如何解決上述之問題者，即為本實用新型之重 鲁 點所在。 【新逛内容】 本實用新型目的之一，在於解決上述的問題而提供一 種建設機具之鏟齒改良結構，其係在該齒尾於該齒座内因 撞擊而產生間隙時，利用一卡掣單元之擋柱以其外導角配 合該穿孔之内導角滑移，令該齒尾可於該齒座内的間隙維 持在可被允許的範圍内’以避免該齒尾與齒座在挖掘時之 相對位移增加，進而防止該齒尾位移而將該擋柱頂入該齒 座内，以解決齒尾由該齒座上脫落之問題。 本實用新型目的之二，在於當該卡掣單元之擋柱被土 石壓迫而縮入該齒座時，可藉由該固定件之擋止段在該擋 柱的另一側阻擋齒尾，故該齒尾仍可被定位在該齒座上， 以解決卡掣單元於失效時該齒尾可能由齒座上無預警脫落 之問題。 4 2011/09八)1修正替換頁 為達前述之目的，本實用新型係包括： 一齒座，其係具有一固定部以固定於一鏟斗，該固定 部於遠離該鏟斗一端係凸設有一插設部，該插設部於其中 一側具有一容室，另一側具有一固接段，該容室與該固接 段係相連通並分別與外部連通，俾供該容室與該固接段可 橫向貫穿於該插設部； 一齒尾，其於一端具有一與該齒座之插設部呈對應形 狀之插槽，且於該齒尾兩側分別設有一穿孔，各該穿孔係 呈相對設置且與該插槽相連通，而該齒尾係以該插槽套設 於該齒座之插設部； 一卡掣單元，其係設置於該齒座之容室及該固接段， 並對應位於該齒尾之各該穿孔間，俾供該齒尾可套接且定 位於該齒座上，且該卡掣單元係包括一擋柱、一彈性件及 一固定件； 該擋柱係插設於該插設部之容室内，且該擋柱於其中 一端係凸伸出該容室外，並可對應凸伸於其中之一穿孔 中，而該擋柱於該容室内之一端係具有一凹槽，該彈性件 係位於該凹槽内，且其中一端係頂撐該擂柱，另一端係頂 撐於該容室之底面； 該齒尾於各該穿孔朝該插槽開口方向之一侧係具有一 内導角，而該擋柱於凸伸出該容室外之一端於朝該固定部 M415929 _ 2011/09/01修正替換頁 方向之一側則具有一外導角，該外導角係頂抵貼合該齒尾 於該穿孔之内導角，且該外導角深度係小於該内導角，且 該擋柱於該外導角之另一側係與該齒尾之穿孔内壁間具有 一彈性空間。 本創作之上述及其他目的與優點，不難從下述所選用 實施例之詳細說明與附圖中，獲得深入了解。 當然，本創作在某些另件上，或另件之安排上容許有 所不同，但所選用之實施例，則於本說明書中，予以詳細 說明，並於附圖中展示其構造。 【實施方式】 請參閱第1圖至第7圖，圖中所示者為本實用新型所 選用之實施例結構，此僅供說明之用，在專利申請上並不 受此種結構之限制。 本實施例提供一種建設機具之鏟齒改良結構，如第1 圖至第3圖所示，其係包括： 一齒座1，其具有一固定部11，該齒座1係以其固 定部1 1夾設於一鏟斗A之前緣，並透過一焊接工序以將 該固定部11結合於該鏟斗A上。 該固定部11於遠離該鏟斗A—端係凸設有一插設部 1 2，該插設部1 2於其中一側具有一容室1 2 1，另一 侧則具有一固接段1 22，該容室121與該固接段1 2 2係相連通並分別與外部連通，俾供該容室1 2 1與該固 接段1 2 2可橫向貫穿於該插設部1 1。 6 M415929 __ v 2011/09/01修正替換頁 一齒尾2，其於一端具有一插槽2 1 ^該插槽2 1係 與該齒座1之插設部1 2呈相對應之形狀，且於該齒尾2 兩側分別設有一穿孔2 2，各該穿孔2 2係呈相對設置且 與該插槽21相連通，而該齒尾2係以該插槽2 1套設於 該齒座1之插設部1 2。 一卡掣單元3 ’其係設置於該齒座1之容室1 2 1及 該固接段1 2 2，並對應位於該齒尾2之各該穿孔2 2 間’俾供該齒尾2可套接且定位於該齒座1上。 • 該卡掣單元3係包括一擋柱3 1、一彈性件3 2及一 固定件3 3，其中’該擔柱3 1係插設於該插設部1 2之 容室1 2 1内，且該擋柱3 1於其中一端係凸伸出該容室 1 2 1外’並可對應凸伸於該穿孔2 2中，而該擋柱3 1 於該容室1 2 1内之一端係具有一凹槽3 1 1，該彈性件 3 2係位於該凹槽3 1 1内，且其中一端係頂撐該擋柱3 1，另一端係頂撐於該容室1 2 1之底面。 Φ 該固定件33係具有一定位段331及一擋止段33 2 ’該固定件3 3之定位段3 3 1係穿伸設置於該插設部 1 2之固接段1 2 2，而該擋止段3 3 2係定位於該齒尾 2另一穿孔22中。 於本實施例中，該彈性件3 2係為一頂撐彈簧；此外， 該彈性件3 2亦可由優力膠所替代。再者，該擋柱3 1於 外周係套設至少一阻擋環3 1 2，俾供防止異物經由該擋 枉31及該容室121間之間隙進入至該擋柱31之凹槽 3 1 1 内 〇 7 M415929 __ 2011/09/01修正替換頁 4 該齒尾2於各該穿孔2 2朝該插槽2 ί開口方向之^ 侧係具有一内導角2 3，而該擋柱3 1於凸伸出該容室1 2 1外之一端於朝該固定部i丄方向之一侧則具有一外導 角313，該外導角31 3係貼合該齒尾2於該穿孔2 2 之内導角2 3，且該外導角3 χ 3深度係小於該内導角2 3 ° 當本實用新型之齒座1與該齒尾2進行組設時，係利 用一夾合工具（圖中未示）以將該擋柱3 i先壓入該插設 部1 2之容室1 21中，再將該齒尾2之插槽2 1套設於 · 該齒座1之插設部1 2，俾使該擋柱3 1於該插槽2 1内 之部份先靠抵於該齒尾2插槽2 1之内面，再放開夾合工 具，並將該齒尾2之插槽2 1套置入該齒座1之插設部1 2 ’此時’該擔柱3 1則與該齒尾2其中一侧之穿孔5 2 相互對應，並透過該彈性件3 2之彈力而彈出並凸伸入所 對應之穿孔2 2中，再將該固定件3 3之定位段3 3 1結 合在該插設部之固接段1 2 2，且使該固定件3 3之擋止 段3 3 2伸設於另一側之穿孔2 2中，藉以定位該齒尾2 · 於該齒座1上；反之，欲將該齒尾2由該齒座丄上進行拆 卸時，則藉由夾合工具經該穿孔2 2而將該擋柱3丄壓入 該插設部1 2之容室1 2 1中，再使該擋柱3丄於該插槽 21内罪抵於該齒尾2插槽21之内面，且將該固定件3 3之疋位段3 3 1脫離該插設部1 2之固接段1 2 2 ,再 放開夾合工具後即可將該齒尾2自該齒抽離。 再請參閱第3圖，其係該齒尾2組設於該齒座丄時， M415929 2011/09/01修正替換頁 該擋柱3 1之外導角3 1 3係與該齒尾2^内導角2 抵頂之初始位置示意圖，圖中可見該齒座i與該齒尾2之 間係雙該擋柱3 1之抵頂，故無滑移之間隙。 然而，當該齒尾2於進行挖掘作業而產生撞擊時，如 第4圖所示，該齒尾2則會朝該齒座1方向移動，此時該 擋柱3 1即如第5圖中因受該彈性件3 2之頂撐而向外凸 伸，直至該齒尾2於該齒座1間之間隙縮短時停止，此時 即如第6圖所示，可使該齒尾2可以其内導角2 3因受該 擋柱3之外導角3 1 3頂撐靠抵而受擋止，俾供該齒尾2 於該齒座1内因撞擊而產生間隙時，該擋柱3 1可藉由該 彈性件3 2之頂推而以其外導角3 1 3在該齒尾2之内導 角2 3上滑移，並維持該間隙在被允許的範圍内，而不會 增加該齒尾2於該齒座1内相對位移的行程。 再者，由於該擋柱3 1於該外導角3 1 3之另一侧係 與該齒尾2之穿孔2 2内壁間具有一彈性空間4，此乃配 合該擋柱3之外導角3 1 3於該齒尾2之内導角2 3深度 間滑移時’避免該齒尾2於挖掘作業時直接碰撞各該擋柱 3所預留之空間。 如第7圖所示，該固定件3 3係以其定位段3 3 1結 合在該插設部1 2之固接段1 22時，該固定件3 3之播 止段3 3 2係伸設於該穿孔22中，故當該擋柱31因在 挖掘作業中被錢起的土石壓迫而縮入該齒座1時，即可藉 由該固疋件3 3之播止段3 3 2在該穿孔2 2中阻撐該齒 尾2滑脫，故該齒尾2仍可被定位在該齒座1上。 9 J1415929 阁此’由上述之說明不難發現本實用新型之優點，其 你在於 一 ’ 1，當鏟齒在進行挖掘作業中，該齒尾2因進行挖掘 祚f 内 内 的相 柊3 .而與該齒座1產生撞擊時，則可藉由該擋柱3 1向外 谓禕仪務’並以其外導角3 1 3頂抵貼合於該該齒尾2之 導角2 3而可擋止該齒尾2，俾使該齒尾2於該齒座工 之問隙維持在被允許的範圍内，故該齒座1與齒尾2間 對位移量小，則可防止該齒尾2因相對位移而將該擋 工谓入該齒座1内，而解決該齒尾2由該齒座1上脫 問題β 與3 3 2阻擋該#尾2 ’故該齒尾2仍可被定位在該 ，藉此麟該卡¥單元3於錢時*尾2可能由 御 e1上脱落之問題。 该濟以上所述實施例之揭示係用以說明本創作，並非用以 限制本創作^舉凡數值之變更或等效元件之置換仍應隸 屬本創作之靶疇。 由以上#細說明，可使熟知本項技藝者明瞭本創 確可達成前述目的，實已符合專利法之規定，紐出專利 申請。 【圖式簡單説明】 第1圖係本賞用新型之鏟齒立體組合示意圖 2、藉由該固定件3 3之擋止段3 3 2係可在該穿孔 中降擂該齒尾2，則使該擋柱3 1因在挖掘作業中被 的土石壓迫而失去阻擋該齒尾2之效果時，仍可藉由 10 M415929 2011/09/01修正替換頁 第2圖係本實用新型之鏟齒立體分解示意圖 第3圖係本實用新型之鏟齒於初始定位之示意圖 第4圖係本實用新型之鏟齒於挖掘作業中產生撞擊之示意 圖 第5圖係本實用新型之擋柱進行滑移調整之示意圖 第6圖係本實用新型之鏟齒於滑移調整後定位之示意圖 第7圖係本實用新型之固定件以擋止段阻擋齒尾之示意圖V VM415929 2011/09/01Revised replacement page In addition, since the shovel tooth structure is respectively provided with a stopper column 17 5 ' on both sides of the tooth holder i. 2, although each of the blocking column 丄 7 5 must be started with a clamping tool It can be retracted to take out the tooth tail i 2, but during the excavation process, the soil that is scooped up tends to accumulate between the teeth, and the earth and stone are easily pressed by the force during excavation. The retaining bar 丄 7 5 also has the concern that the tooth tail 12 is detached from the tooth shank 3 in an unintended condition. Therefore, how to solve the above problems is the key point of this utility model. [New Content] One of the objects of the present invention is to solve the above problems and provide an improved tooth-tooth structure for a machine tool, which utilizes a click unit when the tooth tail generates a gap due to impact in the tooth holder. The retaining post slides with its outer corner to match the inner corner of the perforation, so that the gap of the tooth can be maintained within the allowable range of the tooth holder to avoid the tail and the tooth holder during the excavation The relative displacement is increased to prevent the displacement of the tooth tail and the retaining post is inserted into the tooth holder to solve the problem that the tooth tail is detached from the tooth holder. The second object of the present invention is that when the retaining column of the latching unit is pressed into the toothed seat by the earth and stone, the stop portion of the fixing member can block the tooth tail on the other side of the retaining post. The tooth tail can still be positioned on the tooth holder to solve the problem that the tooth tail can be detached from the tooth holder without warning when the cassette unit fails. 4 2011/09 VIII) 1 Correction Replacement Page For the purpose of the foregoing, the present invention includes: a tooth holder having a fixing portion fixed to a bucket, the fixing portion being convex away from the end of the bucket An insertion portion is provided, the insertion portion has a chamber on one side thereof, and a fastening portion on the other side, the chamber is in communication with the fastening portion and is respectively connected to the outside, and is provided for the chamber And the fixing portion can be transversely penetrated into the insertion portion; a tooth tail having a slot corresponding to the insertion portion of the tooth holder at one end, and a perforation is respectively disposed on both sides of the tooth tail Each of the perforations is disposed opposite to the slot, and the slot is sleeved in the insertion portion of the adapter; a latching unit is disposed in the housing of the adapter And the fixing section, corresponding to each of the perforations located at the end of the tooth, the toothed tail is sleeved and positioned on the tooth holder, and the locking unit comprises a blocking post, an elastic member and a a fixing member; the blocking post is inserted into the housing of the insertion portion, and the blocking post protrudes from the outside of the housing at one end thereof And correspondingly protruding into one of the perforations, and the brace has a groove at one end of the chamber, the elastic member is located in the groove, and one end of the end is supported by the mast, and the other end The top is supported on the bottom surface of the chamber; the tooth tail has an inner corner at one side of the opening toward the slot opening direction, and the retaining rod protrudes from one end of the housing to the fixed end Part M415929 _ 2011/09/01, one side of the correction replacement page direction has an outer lead angle, the outer lead angle is abutted against the inner guide angle of the tooth tail, and the outer guide angle depth is less than The inner guide angle has an elastic space between the other side of the outer lead angle and the inner wall of the perforation of the tooth end. The above and other objects and advantages of the present invention will become more apparent from the detailed description and the accompanying drawings. Of course, the present invention may be different in some of the parts, or the arrangement of the parts, but the selected embodiments are described in detail in the present specification, and the construction thereof is shown in the drawings. [Embodiment] Please refer to Fig. 1 to Fig. 7, which shows the structure of the embodiment selected for the present invention, which is for illustrative purposes only and is not limited by the structure in the patent application. The embodiment provides a tooth-removing structure for a machine tool, as shown in FIG. 1 to FIG. 3, which includes: a tooth holder 1 having a fixing portion 11 and a fixing portion 1 thereof. 1 is clamped to the front edge of a bucket A and is coupled to the bucket A by a welding process. The fixing portion 11 is provided with an insertion portion 1 2 away from the end of the bucket A. The insertion portion 12 has a chamber 1 2 on one side and a fastening portion 1 on the other side. 22, the chamber 121 is in communication with the fastening section 12 2 and is respectively connected to the outside, and the chamber 1 2 1 and the fastening section 1 2 2 are transversely penetrated through the insertion portion 11 . 6 M415929 __ v 2011/09/01 Amendment replacement page a tooth tail 2 having a slot 2 1 at one end ^ The slot 2 1 has a corresponding shape to the insertion portion 1 2 of the adapter 1 And a through hole 22 is disposed on each side of the tooth tail 2, and each of the holes 2 2 is oppositely disposed and communicates with the slot 21, and the tooth tail 2 is sleeved on the tooth with the slot 2 1 The insertion portion 1 of the seat 1. a cassette unit 3' is disposed in the chamber 1 2 1 of the adapter 1 and the fastening portion 1 2 2, and corresponds to each of the perforations 2 2 of the tooth tail 2 It can be socketed and positioned on the tooth holder 1. The latching unit 3 includes a retaining post 3 1 , an elastic member 3 2 and a fixing member 3 3 , wherein the supporting post 3 1 is inserted into the housing 1 2 1 of the inserting portion 1 2 And the stud 3 1 protrudes out of the chamber 1 2 1 at one end thereof and can protrude correspondingly in the through hole 2 2 , and the stop 3 1 is at one end of the chamber 1 2 1 The groove has a groove 3 1 1 , and the elastic member 32 is located in the groove 31 1 , and one end of the frame is supported by the block 3 1 , and the other end is supported on the bottom surface of the chamber 1 2 1 . . Φ The fixing member 33 has a positioning portion 331 and a stopping portion 33 2 '. The positioning portion 3 3 1 of the fixing member 3 3 is inserted through the fixing portion 1 2 2 of the insertion portion 1 2 , and The stop segment 3 3 2 is positioned in the other perforation 22 of the tooth tail 2 . In this embodiment, the elastic member 32 is a top spring; in addition, the elastic member 32 can also be replaced by a superior rubber. Further, the retaining post 31 has at least one blocking ring 3 1 2 disposed on the outer periphery to prevent foreign matter from entering the recess 3 1 1 of the retaining post 31 via the gap between the retaining 31 and the chamber 121. Inner 〇 7 M415929 __ 2011/09/01 Amendment Replacement Page 4 The tang 2 has an inner guide angle 2 3 at the side of each of the perforations 2 2 facing the opening direction of the slot 2 ί, and the stop 3 1 One of the outer ends of the convex portion 1 2 1 has a leading angle 313 on one side of the fixing portion i ,, and the outer guiding angle 31 3 fits the tooth tail 2 to the through hole 2 2 The inner guide angle 2 3 and the outer lead angle 3 χ 3 depth is less than the inner guide angle 2 3 °. When the tooth holder 1 of the present invention is assembled with the tooth tail 2, a clamping tool is used ( The block 3 i is first pressed into the chamber 1 21 of the insertion portion 1 2 , and the slot 2 1 of the tooth tail 2 is placed on the insertion of the tooth holder 1 a portion 1 2, such that a portion of the retaining post 31 in the slot 2 1 abuts against the inner surface of the slot 2 1 of the tooth tail 2, and then releases the clamping tool, and the tooth tail 2 The socket 2 1 is inserted into the insertion portion 1 2 ' of the tooth holder 1 at this time, the support column 3 1 and the tooth tail 2 The perforations 5 2 of the middle side correspond to each other, and are ejected through the elastic force of the elastic member 3 2 and protrude into the corresponding perforations 2 2 , and then the positioning section 3 3 1 of the fixing member 3 3 is coupled to the insertion. a fixing portion 1 2 2 of the fixing portion, and the blocking portion 3 3 2 of the fixing member 3 3 is extended in the through hole 2 2 of the other side, thereby positioning the tooth tail 2 on the tooth holder 1; On the other hand, when the tooth tail 2 is to be detached from the tooth holder 2, the retaining rod 3 is pressed into the chamber 1 2 1 of the insertion portion 1 through the through hole 2 2 by the clamping tool. The sling 3 is placed in the slot 21 against the inner surface of the slot 2 of the tooth tail 2, and the clamping portion 3 3 1 of the fixing member 3 3 is disengaged from the insertion portion 1 2 After the clamping section 1 2 2 is released, the tooth tail 2 can be pulled away from the tooth after releasing the clamping tool. Please refer to FIG. 3 again, when the tooth tail 2 is set in the tooth holder ,, M415929 2011/09/01 correction replacement page, the stop rod 3 1 outside the lead angle 3 1 3 system and the tooth tail 2^ The initial position of the inner guide angle 2 is abutted to the top. It can be seen that the tooth holder i and the tooth tail 2 are doubled against the top of the block 3 1 , so there is no slip gap. However, when the tooth tail 2 is subjected to an excavation operation to cause an impact, as shown in FIG. 4, the tooth tail 2 is moved toward the tooth holder 1, and the stopper 3 1 is as shown in FIG. Because it is protruded outward by the struts of the elastic member 32, until the gap between the tooth ends 2 is shortened, as shown in FIG. 6, the tooth tail 2 can be The inner guide angle 2 3 is blocked by the outer corner of the retaining post 3 by the lead angle 3 1 3 , and the retaining post 2 is provided with a gap in the tooth holder 1 due to the impact. 1 can be slid by the outer lead angle 3 1 3 of the elastic element 3 2 to the inner corner 2 of the tooth tail 2, and the gap is maintained within the allowable range without The stroke of the relative displacement of the tooth tail 2 in the tooth holder 1 is increased. Furthermore, since the baffle 31 has an elastic space 4 between the other side of the outer lead angle 3 1 3 and the inner wall of the perforation 2 2 of the tooth tail 2, this is matched with the outer corner of the brace 3 3 1 3 When the inner corner of the tooth tail 2 slips between the depths of the trailing edge 2 3 'avoiding the space left by the tooth tail 2 directly colliding with each of the retaining rods 3 during the excavation work. As shown in FIG. 7, when the fixing member 3 3 is coupled to the fixing portion 1 22 of the insertion portion 12, the positioning portion 3 3 2 of the fixing member 3 3 is extended. It is disposed in the through hole 22, so when the retaining post 31 is retracted into the tooth holder 1 by the earth and stone pressing from the money during the excavation work, the stop section 3 3 2 of the solid piece 3 3 can be In the perforation 22, the tooth tail 2 is prevented from slipping, so that the tooth tail 2 can still be positioned on the tooth holder 1. 9 J1415929 This is not difficult to find the advantages of the present invention. It is a '1'. When the shovel is in the excavation work, the tang 2 is excavated within the 祚f. When the tooth holder 1 is impacted, the guide post 3 1 can be outwardly referred to as the yoke 'and the outer lead angle 3 1 3 is abutted against the guide angle 2 3 of the tooth tail 2 The tooth tail 2 can be blocked, so that the tooth gap 2 is maintained within the allowable range of the tooth holder, so that the displacement between the tooth holder 1 and the tooth tail 2 is small, thereby preventing the The tooth tail 2 is said to be inserted into the tooth holder 1 due to the relative displacement, and the tooth tail 2 is solved by the tooth holder 1 from the problem β and 3 3 2 blocking the # tail 2 ' Can be positioned in this, thereby taking advantage of the problem that the card ¥ unit 3 at the time of money * tail 2 may be detached from the royal e1. The disclosure of the above-described embodiments is intended to be illustrative of the present invention and is not intended to limit the scope of the present invention. From the above detailed description, it will be possible for the person skilled in the art to understand that the above-mentioned purpose can be achieved by the invention, and that the patent law has been applied in accordance with the provisions of the Patent Law. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of a three-dimensional combination of a new type of shovel tooth. The stop section 3 3 2 of the fixing member 3 3 can lower the tang 2 in the perforation. When the retaining post 3 1 loses the effect of blocking the tooth tail 2 due to the pressing of the earth and stone during the excavation work, it can still be replaced by the 10 M415929 2011/09/01 correction page. FIG. 3 is a schematic view showing the initial positioning of the tooth of the present invention. FIG. 4 is a schematic view showing the impact of the tooth of the present invention in the excavation operation. FIG. 5 is a sliding adjustment of the retaining column of the present invention. FIG. 6 is a schematic view showing the positioning of the tooth of the utility model after the slip adjustment. FIG. 7 is a schematic view of the fixing member of the utility model blocking the tooth tail with the stopping section.
【主要元件符號說明】 (習用部分） 無 (本發明部分） 齒座1 固定部1 1 插設部1 2 容室1 2 1 固接段1 2 2 齒尾2 插槽2 1 穿孔2 2 内導角2 3 卡掣單元3 擋柱3 1 凹槽3 1 1 阻檔環312 外導角3 1 3 彈性件3 2 固定件3 3 定位段3 3 1 擋止段3 3 2 彈性空間4 鐘斗A 11[Main component symbol description] (customized part) None (part of the invention) Tooth holder 1 fixing portion 1 1 insertion portion 1 2 chamber 1 2 1 fastening portion 1 2 2 tooth tail 2 slot 2 1 perforation 2 2 Leading angle 2 3 Cartridge unit 3 Stopper 3 1 Groove 3 1 1 Stopper ring 312 Outer corner 3 1 3 Elastic part 3 2 Fixing piece 3 3 Positioning section 3 3 1 Stop section 3 3 2 Elastic space 4 clock Bucket A 11