1302858 五、發明說明（1) 【發明所屬之技術領域】 =月係與夾頭有關，更詳而言之，尤指可供操作者 ，，夾頭扭力值，以適用於各種不同工作件之目 【先前技術】 習知電動鑽頭之夾頭結構，概係以一本體連接於傳動 之動力軸，該本體内設有數個斜導孔，每一斜導孔中 二二失爪，並以一設於本體外的驅動環控制該夾爪於本體 車爽制或鬆離一刀具或工具桿，且當傳動裝置啟 、動力軸驅轉該本體、夾爪、驅動環及刀具同步旋 上述之電動鑽頭大約可分為交流電驅動與直流電驅動 =種，一般直流電驅動鑽頭係於馬達本身設扭力控制機 構士，操作者可視使用狀況，如工作件之硬度或表面狀況， 整出力的大小，而部份電動鑽頭（尤其是交流電驅動 鑕碩）之馬達本身缺少扭力控制機構，一但於較軟之工作 件操作時，容易造成馬達輸出扭力過大’而導致工作件之 2破裂受損’而於較硬之工作件操作時，馬達輸出扭力 一=，又會導致鑽頭鑽孔不易，且使用工具桿裝卸螺絲 7L件時，更容易導致螺絲受損。 【發明内容】 術中所述不具扭力控制 ’無法視使用狀況所需 機構之 调整扭 發明所欲解決之技術問題： 本發明係為排除先前技 電動鑽頭遭遇不同工作件時 13028581302858 V. INSTRUCTIONS (1) [Technical field to which the invention belongs] = the month is related to the chuck, in more detail, especially for the operator, the chuck torque value is suitable for various work pieces. [Prior Art] The chuck structure of the conventional electric drill is generally connected to the power shaft of the transmission by a body, and the body is provided with a plurality of inclined guide holes, and each of the inclined guide holes has two claws, and one The drive ring disposed outside the body controls the jaw to be cooled or loosened from the body or the tool bar, and when the transmission is activated, the power shaft drives the body, the jaws, the drive ring and the cutter to rotate the electric motor The drill bit can be divided into AC drive and DC drive = kind. Generally, the DC drive drill is based on the torque control mechanism of the motor itself. The operator can see the use condition, such as the hardness or surface condition of the work piece, and the size of the output force. The motor of the electric drill (especially the AC drive) is not equipped with a torque control mechanism. However, when the soft work piece is operated, the motor output torque is too large, which leads to the work piece. 2 broken damaged 'while the harder to work operation member, a motor output torque =, will lead to difficult to drill the borehole, and a tool handling rod screw member 7L, more prone to damage to the screw. SUMMARY OF THE INVENTION Intraoperative non-torque control ‘Unable to adjust the twist of the mechanism required by the use of the invention The technical problem to be solved by the invention: The present invention is to eliminate the prior art when the electric drill bit encounters different working pieces 1302858
發明解決問題之技術手段： j發明一種具扭力調整之失頭結構，其主要包含有： 轴套’其中央貫設有-軸孔，該軸孔内並設有-鑽 頭穿制孔，供一鑽頭之定位部合徑穿於其中；再者，該軸 套之底端外緣並設有至少一凹槽； ^ 本，，中央係設有一中空之容置室，俾以供該軸套The invention solves the technical problem of the problem: j invents a lost-head structure with torsion adjustment, which mainly comprises: a bushing having a shaft hole in the center thereof, and a drill hole for the hole in the shaft hole The positioning portion of the drill bit is slidably inserted therein; further, the outer edge of the bottom end of the sleeve is provided with at least one groove; ^, the central portion is provided with a hollow receiving chamber for the sleeve
口又置六”亥谷置至底端係對應該凹槽設有至少一滾珠座， 且^谷置，底端並穿設有一動力軸孔；再者，於該容置室 之一，上"又有一内螺紋；該本體之外緣係凹設有一旋動槽 及一 ^位槽。且該旋動槽與定位槽係為相互平行設置者 扭力调整結構，其係於該各滾珠座與凹槽間設有一 扭1珠，並於該軸套外套設有一制動環及一調整座，其 中’該調整座外緣係設有外螺紋，俾明合於該内螺紋 處，且該調整座與制動環間設有一扭力調整彈簧，俾以常 態彈性推頂該制動環於扭力滾珠上緣處； 方疋向定位結構，其係於該本體之上端外緣處係設有 一列之外環齒，並於該軸套上端部係套設有一限位座，該 限位座内並對應該外環齒設有一列之嗡合齒，其中該調整The mouth is placed six" to the bottom end of the bottom end corresponding to the groove is provided with at least one ball seat, and the valley is placed, the bottom end is provided with a power shaft hole; further, in one of the accommodation rooms, " another internal thread; the outer edge of the body is concavely provided with a rotating groove and a groove, and the rotating groove and the positioning groove are mutually arranged torque adjustment structures, which are attached to the ball seats A twisted bead is disposed between the groove, and a brake ring and an adjusting seat are disposed on the sleeve of the sleeve, wherein the outer edge of the adjusting seat is provided with an external thread, and the adjusting portion is coaxial with the internal thread, and the adjusting A torque adjusting spring is arranged between the seat and the brake ring, and the brake ring is pushed to the upper edge of the torsion ball in a normal state; the square-pointing structure is provided with a row of outer rings at the outer edge of the upper end of the body. a toothed sleeve is disposed on the upper end of the sleeve, and a limiting seat is disposed in the limiting seat, and a pair of engaging teeth are disposed in the outer ring tooth, wherein the adjusting
座之士端部係徑向凹設有至少一限位槽，並於該限位座對 應设有至少一限位塊，俾使得該限位塊滑套於該限位槽 内； 一工具固定組，其係於該軸孔内套設有一中空之固定 座，該固定座上設有至少-珠槽，並該珠槽内設有一定位 珠，且於該軸孔内壁對應凹設有一斜槽。The end of the seat is provided with at least one limiting slot in the radial recess, and at least one limiting block is disposed correspondingly to the limiting seat, so that the limiting block is sleeved in the limiting slot; The set is provided with a hollow fixing seat in the shaft hole, the fixing seat is provided with at least a bead groove, and a positioning bead is arranged in the bead groove, and a chute is arranged correspondingly in the inner wall of the shaft hole .
第6頁 1302858 五、發明說明（3) 發明對照先前技術之功效： 本發明提出一個前所未有的展新夾頭設計，於夾頭内 設有扭力調整機構，藉由該扭力調整機構可調整夾頭之最 大扭力值，排除了先前技術中所提出的問題，而且本發明 之失頭結構可應用於各種電動鑽頭上，不受交、直流電驅 動之限制。 本發明更δ又有一徙向疋位結構，可於電動鑽頭的使用 ^程中，藉由一嚅合齒與外環齒之離合作用，控制該扭力 調整機構之固定或調整者，俾以確保該扭力調整機構於完 成扭力值設定後，可完全保持扭力值之固定，不因電動鑽 頭轉動時之慣性作用而導致夾頭扭力值之變化。 【實施方式】 本發明一種具扭力調整之夾頭結構，其主要包含有： 一軸套1 0 ’其中央貫設有一軸孔丨丨，該轴孔丨丨内並設 有一鑽頭穿制孔12，供一鑽頭60之定位部61合徑穿於其° 中，再者，该軸套之底端係環設有一具弧形凹陷面之環槽 1 3，且該j衣槽1 3内並設有至少一球形之凹槽η，該凹槽1 4 之深度係較環槽1 3為深者；其中，該軸孔丨丨内之側壁上凹 設有一滑動槽1 6 ; 一本體20，中央係設有一中空之容置室21，俾以供嗲 軸套10設置者，該容置室21底端係對應該凹槽14設有ϋ 一滾珠座22，且該容置室21底端並穿設有一動力軸孔23 ; 再者，該容置室之壁面上設有一内螺紋24，且該本體2〇之 上端外緣處係設有一列之外環齒25，並於該本體2〇之外緣Page 6 1302858 V. Description of the Invention (3) Effect of the Invention against the Prior Art: The present invention proposes an unprecedented new chuck design in which a torque adjustment mechanism is provided in the chuck, by which the chuck can be adjusted The maximum torque value excludes the problems raised in the prior art, and the lost head structure of the present invention can be applied to various electric drill bits without being limited by AC and DC driving. The invention further has a migration-oriented structure, which can control the fixing or adjusting of the torque adjusting mechanism by using a coupling tooth and an outer ring tooth in the use of the electric drill bit to ensure the fixing or adjusting of the torque adjusting mechanism. After the torque adjustment mechanism is set, the torque value can be completely maintained, and the torque value of the chuck is not changed due to the inertia of the electric drill when rotating. Embodiments of the present invention provide a chuck structure with a torque adjustment, which mainly includes: a bush sleeve 10 0 having a shaft hole 中央 in the center thereof, and a drill hole 12 is disposed in the shaft bore The positioning portion 61 of a drill bit 60 is sized to pass through the same. Further, the bottom end of the sleeve is provided with a ring groove 13 having a curved recessed surface, and the j slot 1 3 is juxtaposed. There is at least one spherical groove η, the depth of the groove 14 is deeper than the ring groove 13; wherein a sliding groove 16 is recessed in the sidewall of the shaft hole; a body 20, the center There is a hollow accommodating chamber 21 for arranging the arbor sleeve 10, and the bottom end of the accommodating chamber 21 is provided with a groove 14 corresponding to the groove 14, and the bottom of the accommodating chamber 21 is A power shaft hole 23 is disposed in the wall; further, an inner thread 24 is disposed on the wall surface of the receiving chamber, and an outer ring tooth 25 is disposed on the outer edge of the upper end of the body 2, and the body is 2 Outer edge
五、發明說明（4) 一旋動槽2 6及一定位槽 一固定後套28，俾以包覆 係近中央段處凹設有相互平行之 27 ;該本體下端部緊配合樞套有 保護本體20者； ^ 扭力凋整結構3 0，其係於該各滾珠座2 2與凹槽1 4間 0又f扭力滾珠31，並於該軸套1 0外套設有一制動環3 2及 口周整座3 3其中，遠調整座3 3外緣係設有外螺紋3 31， 俾以螺合於該内螺紋24處，且該調整座33與制動環“間設 調整彈箐34，#以常態彈性推頂該制動環32於扭 力滾珠31上緣處，並於該制動環32内斜設有一推抵面 321 ,再者，該調整座33之上端部並徑向凹設有至少一限 位槽3 3 2 ; 一旋向定位結構40，其係於該軸套1〇上端部外套設有 一限位座41，該限位座41内並對應該外環齒託設有一列之 嚙合齒42，其中，該限位座41並對應該限位槽332突設有 至少一限位塊43，俾使得該限位塊43滑套於該限位槽332 内；其中，該限位座4 1之外側壁上並徑向設有至少一彈性 槽44，並於該限位座41之底端緣處突設有一卡置端a ; 一工具固定組50，其係於該軸孔U内套設有一中空之 固定座51，該固定座51之側壁上設有至少一珠槽52，^誃 珠内並設有一定位珠53，於該軸孔"内壁處並對應： 設有一斜槽15，且該固定座51與該軸套1〇間設有一筈 ^淹=彈性推頂該固定座51者；其中，該固定座51外緣係 對應5亥滑動槽1 β設有一突層$ 5 ; '、 明瞭上述之各項結構後，以下係針對本發明之動作實 1302858 五、發明說明（5) 施方式與原理作一詳細說明如下： 請參閱第三A圖所示，本發明係藉由該調整座33之作 用，使得該扭力調整彈簧34可常態產生一彈力，推頂該制 動環32之推抵面321與該扭力滾珠31緊抵者，並同時藉由 該斜向之推抵面321作用，將該扭力滾珠31同步往凹槽14 =緊:以固定於該滾珠座22與凹槽14間，當該本體^〇轉 藉由該固定不動之扭力滾珠31，傳動至該抽套 帶動其内之鑽頭60轉動；而一但當夾頭之扭力大於該扭力 = 制於該扭力滾珠31之彈力時，該扭力滾珠31 Γ衰B珠圖31圖自：槽”内脫出，並開始於該環槽13二 =二B圖圖面所示），驅使該本㈣與軸套則 轉，藉以限制並保持該鐵頭60所輸出之扭力大小.職 而使用者可施力拉動該限位座41於該 生徑向位移，且由於該彈性槽44作用，當；=== 動槽26或定位槽27處時，該卡置端45可自動彈性 “動槽26或定位槽27内，以產生徑向位移限位之 當卡置端45卡置入該定位枠？7 b本，兮*人i ^ ^ #25 4( I，, .Λ « „ Λ .I2 ^ ^ 該本體20處無法轉動’且由於該限位"丄^1固疋於 槽332内，因此，該調整座33 盥、/月於§亥限位 產生旋向相互固定之連結關係限確位/二與 中，不會受到轉動慣性或其它因=之過程 UI I之衫響而導致調整座33 1302858 五、發明說明（6) 發生轉動； 而當該限位座4〗為+ > _ 置端45彈性卡置入兮外產生徑向位移，而使得該卡 齒25分離(如第四a圖二動、槽26广夺，該壤合齒42係與外環 體20處旋向轉動，且由不），使侍該限位座41可於該本 該碉整座33者 轉動該限位座41，以帶動 亥凋整土33於§亥容置室21内產生旋向轉動； 第四B圖圖面所示，當該調整座33於該容置 ^ ^ °動時，由於該内螺紋24與外螺紋331之作 用，使付该調整座33可於該容置 =口ΓΓ整彈菁34之彈性壓縮量二=位i :乂疋立s 2 7内，藉以調整並固定該夾頭之限制扭力 大小， 五A圖圖面所示’當使用者欲裝設鑽頭6〇或其它 二先將固定座51向内壓入’使得該定位珠53縮 得該=部61合徑穿於鑽頭穿制孔内；如第五 使 ;箸54 =裝置固定好時’再將固定座51放開，藉由該 彈簧54之作用，將固定座51向上推頂，並藉由該斜槽 作用使得該定位珠53向外迫緊於該鑽頭6〇處俾 定”頭60者；反之，要卸下鑽頭6〇時，亦即只要向= 入固疋座51使知5亥疋位珠5 3縮入該斜槽1 5内，即可順利 取出鑽聊者；且該固定座51之突㈣可於該滑動槽心 滑動，俾以達到該固定座5丨限位滑移之目的；V. Description of the invention (4) A rotating groove 26 and a positioning groove are fixed to the rear sleeve 28, and the bottom portion of the covering system is concavely disposed parallel to each other at the central portion; the lower end portion of the body is tightly fitted with a sleeve to protect The body 20; ^ torsion structure 30, which is between the ball seat 2 2 and the groove 14 between 0 and f torsion ball 31, and a sleeve of the brake ring 3 2 and the mouth of the sleeve 10 The whole seat 3 3 of the circumference, wherein the outer edge of the distal adjustment seat 3 3 is provided with an external thread 3 31, and is screwed to the internal thread 24, and the adjusting seat 33 and the brake ring are provided with an adjustment magazine 34,# The brake ring 32 is pushed to the upper edge of the torsion ball 31 in a normal state, and a pushing surface 321 is obliquely disposed in the brake ring 32. Further, the upper end portion of the adjusting seat 33 is radially recessed with at least one a limiting slot 3 3 2 ; a directional positioning structure 40 is disposed on the upper end of the sleeve 1 设有 is provided with a limiting seat 41, and the limiting seat 41 is provided with a row of engagement of the outer ring tooth holder a tooth 42, wherein the limiting seat 41 protrudes from the limiting slot 332 with at least one limiting block 43 so that the limiting block 43 is sleeved in the limiting slot 332; At least one elastic groove 44 is disposed on the outer side wall of the seat 41, and a latching end a is protruded from the bottom end edge of the limiting seat 41; a tool fixing group 50 is attached to the shaft hole The U inner sleeve is provided with a hollow fixing seat 51. The side wall of the fixing base 51 is provided with at least one bead groove 52. The bead is provided with a positioning bead 53 at the inner wall of the shaft hole and corresponding thereto: a chute 15 is disposed between the fixing base 51 and the sleeve 1 淹 = 弹性 = elastically ejector the fixing seat 51; wherein the outer edge of the fixing seat 51 is corresponding to the 5 hai sliding groove 1 β The layer $5; ', after the above various structures are clarified, the following is a detailed description of the operation of the present invention 1302858. 5. The invention and the principle (5) are described in detail as follows: Please refer to the third embodiment, According to the action of the adjusting seat 33, the torsion adjusting spring 34 can normally generate an elastic force, and the pushing surface 321 of the braking ring 32 is pushed against the torsion ball 31, and at the same time, the oblique direction The pushing surface 321 acts to synchronize the torsion ball 31 to the groove 14 = tight: to be fixed between the ball seat 22 and the groove 14, The body is rotated by the fixed torsion ball 31, and is driven to rotate the drill bit 60 in the pumping sleeve; and when the torque of the chuck is greater than the torque = the elastic force of the torsion ball 31, The torsion ball 31 Γ B B 珠 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图Maintaining the torque outputted by the iron head 60. The user can force the position of the limiting seat 41 in the radial direction of the bearing, and due to the action of the elastic groove 44, when; === the moving groove 26 or the positioning groove At 27 o'clock, the card end 45 can be automatically elasticized in the moving groove 26 or the positioning groove 27 to generate a radial displacement limit. When the card end 45 is inserted into the positioning port? 7 b本,兮*人i ^^ #25 4( I,, .Λ « „ Λ .I2 ^ ^ The body 20 cannot rotate 'and because the limit "丄11 is fixed in the slot 332, Therefore, the adjustment seat 33 盥, / month in the § hai limit position of the rotation of the fixed relationship between the fixed limit / two and the middle, will not be affected by the rotation inertia or other process = UII Block 33 1302858 V. Description of the invention (6) Rotation occurs; and when the limit seat 4 is + > _ end 45, the elastic card is placed outside the crucible to generate a radial displacement, so that the latch 25 is separated (such as The four-figure two-movement and the trough 26 are widely occupied, and the lobe 42 and the outer ring body 20 are rotated and rotated, so that the limit seat 41 can be rotated by the whole seat 33. The limiting seat 41 is configured to rotate the whole soil 33 to generate a rotation in the housing 21; as shown in the fourth drawing, when the adjusting seat 33 is moved by the receiving unit, Due to the action of the internal thread 24 and the external thread 331, the adjustment seat 33 can be adjusted in the elastic compression amount of the housing ΓΓ 弹 = = = = = = = 2 2 2 2 Fixing the limit torque of the collet Small, Figure 5A shows the figure 'When the user wants to install the drill bit 6 or the other two, the fixing seat 51 is pressed inwardly' so that the positioning bead 53 is contracted. In the hole; if the fifth is used; 箸54=when the device is fixed, the fixing seat 51 is released again, and the fixing seat 51 is pushed up by the action of the spring 54, and the positioning is made by the chute action. The bead 53 is pressed outwardly to the head of the drill bit to determine the head 60; otherwise, when the drill bit 6 is to be removed, that is, as long as the input into the solid seat 51, the 5th position of the bead 5 3 is retracted. In the chute 15 5 , the driller can be smoothly taken out; and the protrusion (4) of the fixing seat 51 can slide on the sliding slot to achieve the purpose of the limit sliding of the fixing seat 5;
五、發明說明（乃 形斯，上所述鑽頭60之定位部61更可為正方形或六角 狀，拉^ f角柱體’當然該鑽頭穿制孔12為相對之斷面形 得今^ iSfi4工具固定組50搭配多角孔柱之結合技術，可使 生具桿確實固…，避免扭力較大時發 外，第六圖圖面所示’本創作除可作為夾頭使用 ”，俾以i配：連接桿70，該連接桿70-端係為-定位部 另-徑穿設於該鑽頭穿制孔12内，且該連接桿70之 置者m接部72 ’俾供另一習用爽頭之動力軸孔裝 夾頭，二 發明更可連接其它不同尺寸或種類之習用 犬項以作為—扭力urn 裡类員之s用 =本案是以一個最佳實施例做說明 者A在*脫離本案精神與範訂 ^此技β 以上所舉實施例僅用以說明本案而已種的改變。 2由舉凡不違本案精神所從事的種種艮：本】： 本案申請專利範圍。 X受化，俱屬 1302858 圖式簡單說明 【圖式簡單說明】 第一圖係本發明之組合外 第二圖係本發明之立體分。 第三A圖係本發明扭力限 。 第三B圖係本發明扭力 之動作示意圖。 第四λ圖係本發明扭力調良緣制之動作示意圖（二）。 第四Β圖係本發明扭力°調二動作示意圖（-）。 第五Α圖係本發明工力:固整定之，作示意圖 第五B圖係本發明工具 <動作不^ Ϊ，、圖係本發明與連接桿實施之立體分解圖。 第七圖係本發明與連接桿實施之立體组合圖。 【符號說明】 ® 車由套1 0 轴孔11 鑽頭穿制孔12 環槽1 3 凹槽14 斜槽15 滑動槽1 6 本體20 容置室21 滚珠座2 2 動力轴孔2 3 内螺紋2 4 外環齒25 旋動槽2 6 定位槽2 7 固定後套28 扭力調整結構30 扭力滾珠31 制動環3 2 推抵面321 調整座3 3 外螺紋331 限位槽332 扭力調整彈簧34 1302858 圖式簡單說明 旋向定位結構4 0 限位座4 1 嚅合齒42 限位塊4 3 彈性槽44 卡置端45 工具固定組50 固定座5 1 珠槽52 定位珠5 3 彈簧54 突簷55 鑽頭60 定位部6 1 連接桿70 定位部7 1 軸接部7 2V. Description of the Invention (The shape of the positioning portion 61 of the drill bit 60 can be square or hexagonal, and the angle of the column is pulled. Of course, the drill bit 12 is a relatively cross-sectional shape. The combination of the fixed group 50 and the multi-corner column can make the rod of the raw material really solid, and avoid the external force when the torque is large. The figure of the sixth figure shows that the original can be used as a chuck. a connecting rod 70, the connecting rod 70-end is - the positioning portion is further disposed in the drill hole 12, and the connecting rod 70 is disposed at the mating portion 72' for another conventional cool head The power shaft hole chuck, the second invention can be connected to other different sizes or types of custom dog items as the torque urn class s use = this case is a best example to illustrate A in the * off the case The spirit and the formula are as follows. The above embodiments are only used to illustrate the changes that have been made in this case. 2 The various types of shackles that are not in violation of the spirit of the case: this: The patent application scope of this case. 1302858 Brief description of the drawing [Simple description of the drawing] The first drawing is a combination of the present invention The second figure is the three-dimensional part of the present invention. The third A picture is the torque limit of the present invention. The third B picture is the action diagram of the torque of the present invention. The fourth λ figure is the action diagram of the torque adjustment of the present invention (2) The fourth diagram is a schematic diagram of the torsion force adjustment of the present invention (-). The fifth diagram is the working force of the present invention: solidification, and the schematic diagram is the fifth panel B. The tool of the present invention <action is not Ϊ, The figure is a perspective exploded view of the present invention and the connecting rod. The seventh drawing is a three-dimensional combination diagram of the present invention and the connecting rod. [Symbol description] ® car cover 10 shaft hole 11 drill hole 12 ring groove 1 3 Groove 14 chute 15 sliding groove 1 6 body 20 accommodating chamber 21 ball seat 2 2 power shaft hole 2 3 internal thread 2 4 outer ring tooth 25 rotary groove 2 6 positioning groove 2 7 fixed rear sleeve 28 torque adjustment structure 30 Torque ball 31 Brake ring 3 2 Pushing surface 321 Adjusting seat 3 3 External thread 331 Limiting groove 332 Torque adjusting spring 34 1302858 The drawing briefly illustrates the rotary positioning structure 4 0 Limiting seat 4 1 Kneading tooth 42 Limiting block 4 3 Elastic groove 44 Clamping end 45 Tool fixing group 50 Fixing seat 5 1 Bead groove 52 Positioning bead 5 3 Spring 54 Projection 55 Drill bit 60 Positioning part 6 1 Connecting rod 70 Positioning part 7 1 Shaft part 7 2
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