•M328359 八、新型說明： 【新型所屬之技術領域】 本案創作係為一種電動工具之構造，尤指一種可供 電動工具的接頭予以替換，使電動工具可作為起子機或電 鑽機用途之電動工具構造者。 【先前技術】 工欲善其事，必先利其器；專業分工越趨細密，所 使用的工具即愈趨專用化，本章所欲討論者，乃為電動工 具所屬之領域。請參閱第一、二圖所示，傳統電動起子機 之構造，其主要係包含一起子機本體10及接頭組2〇組合所 構成，該起子機本體1 〇内部裝置有電動馬達及其必要配組 件，以及由電動馬達傳動之動力輸出軸丨丨及組設於起子機 Λ本體10本體前端銜接套筒12,該動力輸出軸u前端設有六 、角容置孔，可供符合該六角容置孔内徑之起子桿13穿置， 該銜接套筒12表面則環設有凹緣14者；該接頭組2〇係包含 第一接頭21、第二接頭22及第三接頭23,該第一接頭2ι、 -第二接頭22及第三接頭23可依序接合組成，尤其，第三接 頭23内側緣凸設有若干圓珠24，嗣可令接頭組別套接於起 子機本體ίο前端之銜接套筒12時，該第三接頭23内侧緣之 若干圓珠24恰卡合於銜接套筒12之凹緣14，使其完成組 步驟，藉此，當電動馬達傳動動力輸出轴11轉動時 於動力輸出轴11前端之起子桿13則可隨之轉動，進 螺合螺絲之目的者。查，除了前述傳統的電動起子機之外 ，市面上另有一種習知電動起子機（請參閱第三圖 )’石亥 M328359 種電動起子機之結構主要係於起子機本體3〇内部裝置有 電動馬達及其必要配組件，以及由電動馬達傳動之動力輸 出^ 31及組設於起子機本體3〇本體前端之螺合套筒犯、調 整筒33等，該動力輸出軸31前端設有六角容置孔，可供符 口,該八角谷置孔内徑之起子桿34穿置，該螺合套筒犯可螺 鎖於起子機本體30前端螺合頭35,而螺合套筒犯表面環設 有凹緣36,該凹緣36可供調整筒33套入嵌卡者；藉此，當 =動馬達傳動動力輸出軸31轉動時，套接於動力輸出轴31 月端之起子桿34則可隨之轉動，進而達到螺合螺絲之目的 由是，前述二種習用之電動起子機乃專用於組接起子 才于13、34，作為螺合螺絲、螺栓之用，並且有極佳的工作 表現，然而，該電動起子機僅供專用的起子桿13組接，使 用者若欲實施鑽孔工作時，該電動起子機則完全無法適 用。於是，在鑽孔的工作中，係必須另備一種電鑽機（請 參閱第四圖），其中，該電鑽機之構造，其主要包含電鑽 機本體37及接頭組38組合所構成，該電鑽機本體打内部裝 置有電動馬達及其必要配組件，以及由電動馬達傳動之動 2輸出軸39,該動力輸出軸39前端設有六角容置孔，可供 符合该六角容置孔内徑之鑽頭桿391穿置，該接頭組⑽ 係可組接於電鑽機本體37前端；藉此，當電動馬達傳動動 力輸出軸39轉動時，套接於動力輸出轴39前端之鑽頭桿 391則可隨之轉動，進而達到挖鑿穿孔之目的者。 “ 上述電動起子機及電鑽機之使用方式可知，由於專 業分工之細密，因此衍生各類的專用機具，但是，對於使 M328359 用者而言，其係必須攜帶多種電動工具以符工作所需，发 除了攜帶不便之問題外，購買、保養及維修電動工^戶， 費之成本，亦將造成使用者沉重的負擔。另外，上述=化 起子機及電鑽機所使用的起子桿13、鑽頭桿33等，都= 機具專用的特殊規格，與一般坊間通用的起子桿、鑽頭= 都不相同，因此，當起子桿13或鑽頭桿33磨耗、損壞3而= 堪使用時，使用者則必_買相同規格的起子桿^、鑽 桿33,否則該電動工具將無法使用，因此，亦造成該專用 的電動工具選用耗材方面極為不便之處。 【新型内容】 〇〇本案創作之目的，即在於改善前述電動工具僅可作 單用返而產生的缺失，進而提供一種可供電動工具的接 頭予以替換，使電動卫具可作為起子機或電鑽機雙重用途 之屯動卫具構造者。本案之另—目的，當電動卫具作為電 鑽機之功能使用時，該鑽頭可以選用—般坊間通用的圓柱 形之規格’以提高選用耗材之方便性者。本案創作為達上 述目的，其係包含由電動卫具本體及接頭座、離合套、鑽 頭組接座等構件所構成，該電動卫具本體搭配起子桿可作 為累σ螺絲、螺栓之用途；若將接頭座、離合套、鑽頭組 接座組接力電動工具本體前端，該接頭座之轉動軸一端係 插ί於電動工具本體之動力輸出軸，使動力輸出軸轉動時 動鑽頭組接座’該鑽頭組接座可夾持不同直徑的鑽頭 杯’错該鑽頭桿可對工件作挖馨穿孔之工作者；由是本 案電動工具本體可作為起子機或電鑽機使用。 M328359 【實施方式j 配入案創作為達創作目的所運用之技術手段，兹謹 配合圖式所示之較佳實施例，詳細說明如下. 動工=參閱第五、六圖所示，本案創作主要包含-電 杜70及接頭座40、離合套50、鑽頭組接座60等構 件，其中： 該電動工具本㈣㈣裝置有㈣馬達及其必要配 組件，以及’由電動馬達傳動之動力輸出軸71及组設於電 =具，體7。前端之銜接套㈣，該動力輸出㈣前端設 ^角谷置孔，可供符合該六角容置孔内徑之桿體穿置， 該銜接套筒72表面則環設有凹緣73者。 該接頭座40内-體延伸一内套41，使接頭座4〇内部形 成中空區42及彈箐容置區43，該中空區_側可供一轴承 44卡固，該軸承44係插置固定一轉動軸45，轉動軸仏一端 ^露於接頭座4G外側並形成樞接部46，轉動軸似端設成 /、角狀’该彈簧容置區43可供一壓縮彈菁47置放接頭座 4〇的内侧壁面下緣環設有凸壁48,内套41内侧壁面下緣則 環設有若干圓珠49者。 忒離合套50概呈中空之凸字形，其前端外緣設有凸 緣51，内側壁下端則形成環狀的凹陷部52 ;藉此，該離合 套50前端可置入接頭座4〇之彈簧容置區43，並且令凸緣51 與接頭座40之凸壁48相卡合，由於彈簧容置區43内設有壓 縮彈簧47,嗣離合套50被壓縮彈簧47抵頂而具有外張之彈 力者。 M328359 該鑽頭組接座60係為一般電鑽機前端可供夾固鑽頭 才干61之夾持頭，而可藉由傘形齒把手之轉動而選擇夾持不 同直徑的傳統圓柱形鑽頭桿61(該夾持鑽頭桿61之手段乃 為一般習用技術，於此不予贅述），該鑽頭組接座6〇係可 組接於接頭座4〇之轉動軸45—端的樞接部46，並可隨轉動 軸45之傳動而轉動者。 由疋，该電動工具本體7〇概習用之電動工具相同，其 =搭配起子桿（將起子桿末端的六角柱置入動力輸出軸71 前端設有六角容置孔）即可作為螺合螺絲、螺栓之用途 。右使用者若欲實施鑽孔工作時，可將接頭座4〇、離合套 50、鑽頭組接座60等構件組接於電動工具本體7〇前端，使 離合套50前端係置入接頭座40之彈簧容置區43,並且令凸 緣51與接頭座4〇之凸壁48相卡合，此即可令離合套5〇不會 自彈簧容置區43脫落，由於彈簧容置區43内設有壓縮彈簧 47，嗣離合套5〇可施壓進入彈簧容置區“，使凹陷部52 對應於接頭座40之内套41的若干圓珠49，該若干圓珠49 對應凹陷部5 2時則產生逃逸空間，使若干圓珠4 9可向外擴 張進而使谷許通過之直徑尺寸變大，因此，若干圓珠49 I通過電動工具本體70之銜接套筒72,當離合套50停止施 壓=復位時，該若干圓珠49則因離合套50内侧壁的擠壓而 陝復原來較小直徑之狀態，此刻，該若干圓珠則卡合於 ，接套筒72之凹緣73者；由是，當壓掣離合套5〇時，可令 右干圓珠49有逃逸空間而具有向外擴張的效果，此即可令 替換接頭組接或拆離電動工具本體7 0之銜接套筒7 2。當本 •M328359 案替換接頭組接於電動工具本體70之銜接套筒72時，該接 頭座40之轉動軸45六角狀之一端係插置於動力輸出軸71 前端之六角容置孔，使動力輸出軸71受電動馬達驅動時可 帶動轉動轴45轉動，同時亦帶動轉動軸45前端之鑽頭組接 座60,該鑽頭組接座60夾持不同直徑的傳統鑽頭桿61，藉 該鑽頭桿61可對工件作挖鑿穿孔之工作者；由是，本案電 動工具本體70亦可作為電鑽機使用，並且該鑽頭亦可選用 一般坊間之通用的圓柱狀規格，嗣可提高選用耗材之方便 性者。 另外（請同時參閱第八、九圖所示），本案另可增設 螺。套筒80，该螺合套筒8〇一端内側設有内螺紋81，嗣 可螺鎖於另一種電動工具9〇前端之螺合頭91，該螺合套筒 80表面環設有凹緣82，令凹緣82可供内套41内侧壁面之若 干圓珠49彼卡，進而達到結合本案替換接頭之目的；因此 ，精由螺合套筒80之增設，可使本案之替換接頭適用於另 鲁種具有螺合頭91之電動工具者。 - 從以上所述及圖式所示之較佳實施例中可知，本案 ! 4乍所運用之技術手段，以及其機構構造確 目的，而提供一種電動工且之槿1 』作之 ^ L /、之構化，使電動工具除了起子 專業用途之外’亦可作為電鑽機之使用，並且，該電 鑽機之鑽頭可以選擇專用的丄 m w m . 、/、角柱規格，或是一般坊間通 用的囡柱狀規格，而提高選 ^ 用耗材之方便性。另外，接頭 ，轉動軸45受動力輸出軸71之傳動時， 動力輸出軸71 , —端則為缸名， ^知接罪於 ㈣又袖承44所支揮，當鑽頭桿61組接 M328359 時，不但轉動極為順暢之外，其中心準確不會偏移亦為一 大優點；由是，經上揭說明所述，本案創作確具有顯著的 實用〖生，且其提供之機構設計確為創作人所首創而成，嗣 本案，已符合專利之要件，爰依法提出申請，並祈賜專利• M328359 VIII. New Description: [New technical field] The creation of this case is a construction of a power tool, especially a power tool that can be replaced by a power tool connector, so that the power tool can be used as a power tool for a screwdriver or an electric drill. Constructor. [Prior Art] If a worker wants to do something good, he must first sharpen his tools; the professional division of labor becomes more and more detailed, and the tools used are becoming more specialized. The participants in this chapter are the fields of electric tools. Referring to the first and second figures, the structure of the conventional electric screwdriver is mainly composed of a combination of a sub-machine body 10 and a joint group 2, which has an electric motor and its necessary internal device. The assembly, and the power output shaft of the electric motor and the front end of the body of the driver body 10 are connected to the sleeve 12, and the front end of the power output shaft u is provided with a six-hole accommodating hole for conforming to the hexagonal capacity. a screwdriver rod 13 having a bore inner diameter is disposed, and a surface of the adapter sleeve 12 is provided with a concave edge 14; the joint group 2 includes a first joint 21, a second joint 22 and a third joint 23, the first joint A joint 2ι, a second joint 22 and a third joint 23 can be sequentially joined. In particular, a plurality of beads 24 are protruded from the inner edge of the third joint 23, so that the joint group can be sleeved on the front end of the screwdriver body. When the sleeve 12 is engaged, the plurality of balls 24 of the inner edge of the third joint 23 are just engaged with the concave edge 14 of the engaging sleeve 12, so that the grouping step is completed, whereby the electric motor drive power output shaft 11 rotates. The driver rod 13 at the front end of the power output shaft 11 can be turned , Screwed into the screw of the object person. In addition to the aforementioned conventional electric screwdriver, there is another conventional electric screwdriver on the market (please refer to the third figure). The structure of the Shihai M328359 electric screwdriver is mainly based on the internal structure of the screwdriver body. The electric motor and its necessary components, and the power output of the electric motor drive 31 and the screwing sleeve of the front end of the body of the driver body 3, the adjusting cylinder 33, etc., the front end of the power output shaft 31 is provided with a hexagon The accommodating hole is provided for the mouth of the octagonal valley, and the screwing sleeve 34 is inserted into the front end of the driver body 30, and the screwing sleeve is smashed. The ring is provided with a concave edge 36 for the adjustment cylinder 33 to be inserted into the inserter; thereby, when the = motor drive power output shaft 31 is rotated, the screwdriver rod 34 is sleeved on the power output shaft 31 end. Then it can be rotated to achieve the purpose of screwing screws. The two conventional electric screwdrivers are specially designed for assembling the screwdrivers to 13, 34, as screwing bolts and bolts, and have excellent Work performance, however, the electric screwdriver is for exclusive use only 13 assembled with the sub-lever, so that when the wearer Ruoyu embodiment the drilling work, the electric screwdriver is not entirely suitable for use. Therefore, in the operation of the drilling, an electric drill must be provided (refer to the fourth figure), wherein the construction of the electric drill mainly comprises a combination of the electric drill body 37 and the joint set 38, and the electric drill The internal unit has an electric motor and its necessary components, and a movable output shaft 39 driven by an electric motor. The front end of the power output shaft 39 is provided with a hexagonal accommodating hole for the drill bit conforming to the inner diameter of the hexagonal accommodating hole. The rod 391 is disposed, and the joint group (10) is assembled to the front end of the electric drill body 37; thereby, when the electric motor drive power output shaft 39 rotates, the drill rod 391 sleeved at the front end of the power output shaft 39 can follow Rotate to achieve the purpose of digging and piercing. "The use of the above-mentioned electric screwdrivers and electric drills shows that due to the fine division of the professional division, various types of special machines are derived. However, for the users of M328359, they must carry a variety of power tools to meet the needs of the work. In addition to the problem of inconvenience, the cost of purchasing, maintaining and repairing electric workers will also impose a heavy burden on the users. In addition, the above-mentioned screwdrivers and drill bits used in electric drills and drill bits are used. 33, etc., all are special specifications for the machine, which are different from the common screwdriver rod and drill bit in the general workshop. Therefore, when the screwdriver rod 13 or the drill rod 33 is worn and damaged 3 and can be used, the user must Buy the same size of the screwdriver rod ^, drill pipe 33, otherwise the power tool will not be used, therefore, it also causes the inconvenience of the use of the special power tools. [New content] 〇〇 The purpose of this case is to Improve the aforementioned power tools can only be used as a single-use return, and thus provide a replacement for the power tool connector, so that the electric power guard can be used as The utility model has the dual-purpose swaying implement constructor of the machine or electric drill. The other purpose of the case is that when the electric sling is used as the function of the electric drill, the drill can use the universal cylindrical specification to improve the selected consumables. The convenience is achieved by the present invention, which comprises the components of the electric faucet body and the joint seat, the clutch sleeve, the drill bit socket and the like, and the electric sturdy body with the screwdriver rod can be used as a squeezing screw. The purpose of the bolt; if the joint seat, the clutch sleeve and the drill bit socket set are connected to the front end of the power tool body, one end of the rotating shaft of the joint seat is inserted into the power output shaft of the power tool body, so that the power output shaft rotates when the drill bit is rotated The group of sockets 'the drill bit holder can hold the drill cups of different diameters' is the worker who can dig the workpiece by the drill bit; the power tool body of the present invention can be used as a screwdriver or an electric drill. M328359 [ The implementation method j is the technical means used for the purpose of creation, and the following is a detailed description of the preferred embodiment shown in the figure. As shown in the fifth and sixth figures, the creation of this case mainly includes - electric Du 70 and joint seat 40, clutch sleeve 50, drill bit socket 60 and other components, wherein: The power tool (4) (4) device has (four) motor and its necessary components And the power output shaft 71 driven by the electric motor and the set-up sleeve (four) of the electric front, the body 7. The front end of the power output (four) is provided with a corner hole for the inner diameter of the hexagonal accommodating hole The rod body is disposed, and the surface of the engaging sleeve 72 is provided with a concave edge 73. The inner side of the joint base 40 extends an inner sleeve 41 to form a hollow portion 42 and a magazine receiving area inside the joint base 4 43. The hollow region _ side can be locked by a bearing 44. The bearing 44 is inserted and fixed with a rotating shaft 45. One end of the rotating shaft ^ is exposed outside the joint seat 4G and forms a pivoting portion 46. The spring receiving area 43 is provided with a convex wall 48 for the lower edge of the inner side wall surface of the compression spring 47 placed on the joint seat 4, and the lower edge of the inner side surface of the inner sleeve 41 is provided with a plurality of circles. Beads 49. The clutch sleeve 50 has a hollow convex shape, and the outer edge of the front end is provided with a flange 51, and the lower end of the inner side wall forms an annular recess 52; thereby, the front end of the clutch sleeve 50 can be placed into the spring of the joint seat 4 The accommodating area 43 and the flange 51 are engaged with the convex wall 48 of the joint seat 40. Since the spring accommodating area 43 is provided with a compression spring 47, the 嗣 clutch sleeve 50 is abutted by the compression spring 47 and has an outer tension. Elastic. M328359 The drill bit socket 60 is a clamping head of a general electric drill front end for clamping the drill bit 61, and the conventional cylindrical drill rod 61 of different diameters can be selected by the rotation of the mushroom tooth handle (this The means for holding the drill rod 61 is a conventional technique, which is not described here. The drill set base 6 can be assembled to the pivoting portion 46 of the rotating shaft 45-end of the joint base 4, and can be used with The rotation of the shaft 45 is rotated to rotate. Since the electric tool body 7 is the same as the electric tool used in the general purpose, it can be used as a screwing screw with the screwdriver rod (the hexagonal column at the end of the driver rod is placed at the front end of the power output shaft 71 with a hexagonal accommodating hole). The purpose of the bolt. If the right user wants to perform the drilling work, the connector seat 4〇, the clutch sleeve 50, the drill bit socket 60 and the like may be connected to the front end of the power tool body 7〇, and the front end of the clutch sleeve 50 is inserted into the joint seat 40. The spring accommodating area 43 and the flange 51 are engaged with the convex wall 48 of the joint base 4, so that the clutch sleeve 5 〇 does not fall off from the spring accommodating area 43 due to the inside of the spring accommodating area 43 A compression spring 47 is provided, and the clutch sleeve 5〇 can be pressed into the spring receiving area “so that the recess 52 corresponds to the plurality of beads 49 of the inner sleeve 41 of the joint seat 40, and the plurality of beads 49 correspond to the recess 5 2 When the escape space is created, the plurality of beads 49 can be expanded outwardly to increase the diameter of the valley, so that the plurality of beads 49 I pass through the coupling sleeve 72 of the power tool body 70, and the clutch sleeve 50 stops. When pressing = resetting, the plurality of beads 49 are restored to a smaller diameter state due to the pressing of the inner side wall of the clutch sleeve 50. At this moment, the plurality of beads are engaged with the concave edge 73 of the sleeve 72. By the way, when the clutch sleeve is pressed 5 inches, the right-hand ball 49 can have an escape space and has an outward expansion. The result is that the replacement connector is assembled or detached from the adapter sleeve 7 2 of the power tool body 70. When the replacement of the connector is in the adapter sleeve 72 of the power tool body 70, the connector housing 40 One end of the rotating shaft 45 is inserted into the hexagonal receiving hole at the front end of the power output shaft 71, so that the power output shaft 71 can be driven by the electric motor to rotate the rotating shaft 45, and also drive the drill bit at the front end of the rotating shaft 45. The socket 60 is used to hold a conventional drill rod 61 of different diameters, by which the workpiece can be dug and perforated; therefore, the power tool body 70 of the present invention can also be used as an electric drill. And the drill bit can also be selected from the general cylindrical specifications of the general workshop, which can improve the convenience of selecting consumables. In addition (please refer to the eighth and ninth figures at the same time), in this case, a screw can be added. The inner side of one end of the screw sleeve 8 is provided with an internal thread 81, and the screw can be screwed to the screw head 91 of the front end of the other power tool 9 . The surface of the screw sleeve 80 is provided with a concave edge 82. The edge 82 is available for the inner wall surface of the inner sleeve 41. The dry bead 49 is a card, and the purpose of replacing the joint in combination with the present invention is achieved; therefore, the addition of the screw sleeve 80 allows the replacement joint of the present invention to be applied to another power tool having the screw head 91. It can be seen from the above-described and preferred embodiments shown in the drawings that the technical means used in the present case and the structure of the mechanism are provided, and an electric worker is provided. The structure makes the power tool not only be used for professional use, but also can be used as an electric drill. Moreover, the drill bit of the electric drill can be selected for special 丄mwm., /, corner column specifications, or general-purpose masts. The specification is convenient, and the convenience of selecting the consumables is improved. In addition, when the joint and the rotating shaft 45 are driven by the power output shaft 71, the power output shaft 71 and the end are the cylinder names, and the joints are swollen (4) and the sleeves 44 are supported. When the drill rod 61 is connected to the M328359, In addition, not only is the rotation extremely smooth, but the center is accurate and does not shift. It is also a great advantage; as a result of the above description, the creation of the case does have a significant practicality, and the institutional design provided by it is indeed created. The first creation of the person, the case, has met the requirements of the patent, 提出 filed according to law, and prayed for patents
Lt:兴Γ，本案以上所揭示之内容乃為本創作較佳之實 ‘ ^圍/依本案所作之等效變化，仍應含蓋於中請專利 11 ^ M328359 【圖式簡單說明】 第一圖係習知電動起子機之立體分解圖。 第二圖係習知電動起子機之平面組裝示意圖。 第三圖係令一種習知電動起子機之平面組裝示意圖。 第四圖係習知電鑽機之平面示意圖。 第五圖係本創作之立體構造圖。 _ 第六圖係本創作之剖視構造圖。 第七圖係本創作拆離電動工具本體之動作示意圖。 • 第八圖係本創作螺合套筒之立體構造圖。 第九圖係本創作利用螺合套筒組裝於電動工具本體之剖 視構造圖。 【主要元件符號說明】 『習知部份』 11 動力輸出軸 13 起子桿 10 起子機本體 φ- 12 銜接套筒 14 凹緣 20 接頭組 21 第一接頭 22 弟二接頭 23 第三接頭 24 圓珠 30 起子機本體 動力輸出轴 12 31 M328359 32 螺合套筒 33 調整筒 34 起子桿 35 螺合頭 36 凹緣 "37 電鑽機本體 38 接頭組 39 動力輸出軸 • 391鑽頭桿 『本案部份』 40 接頭座 41 内套 42 中空區 43 彈簧容置區 44 軸承 鲁· 45 轉動轴 46 柩接部 47 壓縮彈簧 ^ 48 凸壁 - 49 圓珠 50 離合套 51 凸緣 52 凹陷部 60 鑽頭組接座 M328359 61 鑽頭桿 70 電動工具本體 71 動力輸出軸 72 銜接套筒 73 凹緣 80 螺合套筒 81 内螺紋 82 凹緣 90 電動工具 91 螺合頭Lt: Xing Wei, the content disclosed above in this case is the best change of the creation of this case. The equivalent change made in this case should still be covered by the patent 11 ^ M328359 [Simple description of the drawing] It is a three-dimensional exploded view of a conventional electric screwdriver. The second figure is a schematic diagram of the planar assembly of a conventional electric screwdriver. The third figure is a schematic view of the planar assembly of a conventional electric screwdriver. The fourth figure is a schematic plan view of a conventional electric drill. The fifth picture is a three-dimensional structure diagram of the creation. _ The sixth picture is a cross-sectional structural diagram of the creation. The seventh picture is a schematic diagram of the action of the present invention to detach the power tool body. • The eighth figure is a three-dimensional structure diagram of the original screw sleeve. The ninth drawing is a cross-sectional structural view of the present invention which is assembled to the power tool body by means of a screw sleeve. [Main component symbol description] "Learn part" 11 Power output shaft 13 Screwdriver 10 Driver machine body φ- 12 Adapter sleeve 14 Concave edge 20 Connector set 21 First joint 22 Younger joint 23 Third joint 24 Ball 30 screwdriver body power output shaft 12 31 M328359 32 screw sleeve 33 adjustment cylinder 34 screwdriver rod 35 screw head 36 concave edge "37 electric drill body 38 joint group 39 power output shaft • 391 drill rod "part of this case" 40 Connector seat 41 Inner sleeve 42 Hollow area 43 Spring accommodation area 44 Bearing Lu· 45 Rotary shaft 46 柩 joint 47 Compression spring ^ 48 Convex wall - 49 Ball 50 Separation sleeve 51 Flange 52 Depression 60 Drill bit socket M328359 61 Bits 70 Power tool body 71 Power take-off shaft 72 Engagement sleeve 73 Concave edge 80 Threaded sleeve 81 Internal thread 82 Concave edge 90 Power tool 91 Screw head