TWI806433B - Electric ratchet wrench - Google Patents
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- TWI806433B TWI806433B TW111105845A TW111105845A TWI806433B TW I806433 B TWI806433 B TW I806433B TW 111105845 A TW111105845 A TW 111105845A TW 111105845 A TW111105845 A TW 111105845A TW I806433 B TWI806433 B TW I806433B
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Abstract
Description
本發明有關一種手工具結構,且尤其是有關一種電動棘輪扳手。The present invention relates to a hand tool structure, and in particular to an electric ratchet wrench.
技術的提升,使得電動手工具大幅地發展,以提升施工時的方便性。習知的電動棘輪扳手包含棘輪頭殼體及扳手主殼體,棘輪頭殼體以其外螺紋鎖至一連接螺帽,再透過連接螺帽螺鎖於扳手主殼體上,結構複雜且成本較高。The advancement of technology has led to the development of electric hand tools to improve the convenience of construction. The conventional electric ratchet wrench includes a ratchet head housing and a wrench main housing. The ratchet head housing is locked to a connecting nut by its external thread, and then screwed to the main wrench housing through the connecting nut. The structure is complex and costly. higher.
有鑑於此,如何改善電動棘輪扳手的結構以降低其結構的複雜度及提升組裝容易度,遂成相關業者努力的目標。In view of this, how to improve the structure of the electric ratchet wrench so as to reduce the complexity of its structure and improve the ease of assembly has become the goal of relevant industry players.
為了解決上述問題,本發明提供一種電動棘輪扳手,透過其結構配置可降低結構複雜度及提升組裝容易度。In order to solve the above problems, the present invention provides an electric ratchet wrench, which can reduce the structural complexity and improve the ease of assembly through its structural configuration.
依據本發明一實施方式提供一種電動棘輪扳手,其包含一扳手主殼體、一馬達、一棘輪頭殼體以及一馬達固定件。扳手主殼體包含二主殼體鎖附部,前述二主殼體鎖附部對稱排列於扳手主殼體的一端,馬達容置於扳手主殼體,棘輪頭殼體包含一插接部,插接部插入扳手主殼體的前述一端。馬達固定件容置於扳手主殼體且位於插接部與馬達之間,馬達固定件用以固定馬達,且馬達固定件被夾抵限位於插接部的一端緣與主殼體鎖附部之間。According to one embodiment of the present invention, an electric ratchet wrench is provided, which includes a wrench main casing, a motor, a ratchet head casing, and a motor fixing member. The wrench main housing includes two main housing locking parts, the aforementioned two main housing locking parts are symmetrically arranged at one end of the wrench main housing, the motor is accommodated in the wrench main housing, and the ratchet head housing includes a plug-in part. The socket part is inserted into the aforementioned one end of the main casing of the wrench. The motor fixing part is accommodated in the main casing of the wrench and is located between the socket part and the motor. The motor fixing part is used to fix the motor, and the motor fixing part is clamped against one end edge of the socket part and the locking part of the main casing. between.
藉此,透過棘輪頭殼體插入扳手主殼體,以及馬達固定件被夾抵限位的結構配置,可達到降低結構複雜度及提升組裝容易度的有利功效。In this way, through the structural configuration in which the ratchet head housing is inserted into the wrench main housing and the motor fixing part is clamped against the position, the beneficial effects of reducing structural complexity and improving ease of assembly can be achieved.
依據前述實施方式之電動棘輪扳手,其中,扳手主殼體可更包含一第一嵌合部,第一嵌合部位於前述一端,棘輪頭殼體更包含一第二嵌合部,第二嵌合部位於插接部且對應嵌合第一嵌合部。According to the aforementioned embodiment of the electric ratchet wrench, wherein the wrench main housing may further include a first fitting portion, the first fitting portion is located at the aforementioned one end, and the ratchet head housing further includes a second fitting portion, the second fitting portion The engaging portion is located at the inserting portion and is correspondingly engaged with the first engaging portion.
依據前述實施方式之電動棘輪扳手,其中,扳手主殼體可更包含二對位溝,前述二對位溝對稱排列於扳手主殼體的前述一端,棘輪頭殼體更包含二對位凸,各對位凸位於插接部且用以配合各對位溝。According to the aforementioned embodiment of the electric ratchet wrench, wherein the wrench main housing may further include two alignment grooves, the aforementioned two alignment grooves are symmetrically arranged at the aforementioned one end of the wrench main housing, and the ratchet head housing further includes two alignment protrusions, Each alignment protrusion is located on the socket part and is used to cooperate with each alignment groove.
依據前述實施方式之電動棘輪扳手,其中,扳手主殼體可更包含一第一殼部及一第二殼部,第一殼部與第二殼部組接形成管狀的一容置空間供容納馬達,第一嵌合部包含徑向朝內凸出的四卡凸,其中二卡凸位於第一殼部,另二卡凸位於第二殼部,其中一對位溝位於第一殼部並位於前述其中二卡凸之間,另一對位溝位於第二殼部並位於前述另二卡凸之間,第二嵌合部包含二凹槽,前述二對位凸分別位於前述二凹槽之間,且各對位凸的延伸方向平行馬達的軸向。According to the electric ratchet wrench of the aforementioned embodiment, the wrench main casing may further include a first shell portion and a second shell portion, and the first shell portion and the second shell portion are assembled to form a tubular accommodating space for accommodating In the motor, the first fitting part includes four snapping protrusions protruding radially inward, two of which are located on the first shell part, and the other two snapping protrusions are located on the second shell part, and the pair of positioning grooves are located on the first shell part and Located between the aforementioned two locking protrusions, the other alignment groove is located in the second shell part and between the aforementioned other two locking protrusions, the second fitting part includes two grooves, and the aforementioned two alignment protrusions are respectively located in the aforementioned two grooves Between, and the extension direction of each alignment protrusion is parallel to the axial direction of the motor.
依據前述實施方式之電動棘輪扳手,其中,馬達固定件可包含一板部、一下環部以及二被夾抵部。板部包含一開口,下環部連接板部的一下表面且包含一穿孔,且穿孔與開口連通形成一軸心空間。前述二被夾抵部自下環部徑向延伸且連接板部的下表面,各被夾抵部包含一凹弧,各凹弧的形狀對應各主殼體鎖附部。According to the electric ratchet wrench of the aforementioned embodiment, the motor fixing part may include a plate part, a lower ring part and two clamped parts. The plate portion includes an opening, the lower ring portion is connected to the lower surface of the plate portion and includes a through hole, and the through hole communicates with the opening to form an axis space. The aforementioned two clamped portions radially extend from the lower ring portion and are connected to the lower surface of the plate portion. Each clamped portion includes a concave arc, and the shape of each concave arc corresponds to each locking portion of the main housing.
依據前述實施方式之電動棘輪扳手,其中,馬達固定件可更包含二馬達螺鎖部,其自下環部徑向延伸且連接板部的下表面,各馬達螺鎖部與各被夾抵部夾90度,且各馬達螺鎖部與馬達螺鎖固定。According to the electric ratchet wrench of the above-mentioned embodiment, wherein, the motor fixing part may further include two motor screw lock parts, which extend radially from the lower ring part and connect the lower surface of the plate part, each motor screw lock part and each clamped part Clamp 90 degrees, and each motor screw lock part is fixed with the motor screw lock.
依據前述實施方式之電動棘輪扳手,可更包含一傳動機構,傳動機構位於棘輪頭殼體內且包含一環齒輪以及一連接軸。環齒輪受板部抵頂,連接軸位於環齒輪內且朝軸心空間凸入並連接馬達的一馬達軸。其中,馬達固定件更包含一定位環凸,定位環凸自板部的一上表面凸出以供環齒輪定位。According to the aforementioned embodiment, the electric ratchet wrench may further include a transmission mechanism, the transmission mechanism is located in the ratchet head housing and includes a ring gear and a connecting shaft. The ring gear is supported by the plate portion, and the connecting shaft is located in the ring gear and protrudes toward the shaft center space and is connected to a motor shaft of the motor. Wherein, the motor fixing part further includes a positioning ring protrusion protruding from an upper surface of the plate portion for positioning the ring gear.
依據前述實施方式之電動棘輪扳手,其中,馬達固定件可更包含二定位凸塊,各定位凸塊自定位環凸的一內壁徑向朝內延伸,環齒輪包含二定位凹部位於環齒輪的下端,各定位凹部供各定位凸塊嵌入。According to the electric ratchet wrench of the aforementioned embodiment, wherein, the motor fixing part may further include two positioning projections, each positioning projection extends radially inward from an inner wall of the positioning ring projection, and the ring gear includes two positioning recesses located on the ring gear At the lower end, each positioning recess is used for each positioning protrusion to be embedded.
依據前述實施方式之電動棘輪扳手,其中,棘輪頭殼體可與環齒輪相互抵頂。According to the electric ratchet wrench of the above-mentioned embodiment, the ratchet head housing and the ring gear can butt against each other.
依據前述實施方式之電動棘輪扳手,其中,棘輪頭殼體可更包含二抵頂凸部,環齒輪更包含二抵頂凹部位於環齒輪的上端,各抵頂凹部配合各抵頂凸部。According to the aforementioned embodiment of the electric ratchet wrench, wherein the ratchet head housing may further include two abutment protrusions, the ring gear further includes two abutment recesses located on the upper end of the ring gear, and each abutment recess fits with each abutment protrusion.
依據前述實施方式之電動棘輪扳手,可更包含一棘輪機構,其位於棘輪頭殼體且受傳動機構帶動。According to the aforementioned embodiment, the electric ratchet wrench may further include a ratchet mechanism, which is located in the ratchet head housing and driven by the transmission mechanism.
以下將參照圖式說明本發明之實施例。為明確說明起見,許多實務上的細節將在以下敘述中一併說明。然而,閱讀者應瞭解到,這些實務上的細節不應用以限制本發明。也就是說,在本發明部分實施例中,這些實務上的細節是非必要的。此外,為簡化圖式起見,一些習知慣用的結構與元件在圖式中將以簡單示意的方式繪示;並且重複之元件將可能使用相同的編號或類似的編號表示。Embodiments of the present invention will be described below with reference to the drawings. For the sake of clarity, many practical details are included in the following narrative. However, the reader should understand that these practical details should not be used to limit the present invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some well-known and commonly used structures and elements will be shown in a simple and schematic manner in the drawings; and repeated elements may be represented by the same or similar numbers.
此外,本文中第一、第二、第三等用語只是用來描述不同元件或成分,而對元件/成分本身並無限制,因此,第一元件/成分亦可改稱為第二元件/成分。且本文中之元件/成分/機構/模組之組合非此領域中之一般周知、常規或習知之組合,不能以元件/成分/機構/模組本身是否為習知,來判定其組合關係是否容易被技術領域中之通常知識者輕易完成。In addition, terms such as first, second, and third in this article are only used to describe different elements or components, and there is no limitation on the elements/components themselves. Therefore, the first element/component can also be renamed as the second element/component . And the combination of components/components/mechanisms/modules in this article is not a combination that is generally known, conventional or conventional in this field, and whether the component/components/mechanism/module itself is known or not can not be used to determine whether the combination relationship is Easily accomplished by persons of ordinary knowledge in the technical field.
請參閱第1圖及第2圖,其中第1圖繪示依照本發明一實施例之一種電動棘輪扳手100的立體示意圖,第2圖繪示第1圖實施例之電動棘輪扳手100的爆炸示意圖。電動棘輪扳手100包含一扳手主殼體110、一馬達120、一棘輪頭殼體130及一馬達固定件140。扳手主殼體110包含二主殼體鎖附部112,前述二主殼體鎖附部112對稱排列於扳手主殼體110的一端,馬達120容置於扳手主殼體110,棘輪頭殼體130包含一插接部131,插接部131插入扳手主殼體110的前述一端。馬達固定件140容置於扳手主殼體110且位於插接部131與馬達120之間,馬達固定件140用以固定馬達120,且馬達固定件140被夾抵限位於插接部131的一端緣與主殼體鎖附部112之間。Please refer to Figures 1 and 2, wherein Figure 1 shows a perspective view of an
藉此,透過棘輪頭殼體130插入扳手主殼體110,以及馬達固定件140被夾抵限位的結構配置,可達到降低電動棘輪扳手100之結構複雜度及提升組裝容易度的有利功效。後面將詳述電動棘輪扳手100的細節。In this way, through the structural configuration in which the
扳手主殼體110包含一第一殼部114及一第二殼部115,第一殼部114與第二殼部115組接後可形成管狀的容置空間供容納馬達120等元件,各個主殼體鎖附部112可分為二個部分並分別位於第一殼部114及第二殼部115,螺件可結合主殼體鎖附部112的此二部分以將第一殼部114及第二殼部115鎖緊連接。The wrench
扳手主殼體110可更包含一第一嵌合部111,第一嵌合部111位於前述一端,棘輪頭殼體130可更包含一第二嵌合部132,第二嵌合部132位於插接部131且可對應嵌合第一嵌合部111。具體地,第一嵌合部111位於主殼體鎖附部112的上方,且第一嵌合部111可包含徑向朝內凸出的四卡凸,其中二卡凸位於第一殼部114,另二卡凸位於第二殼部115。The wrench
電動棘輪扳手100可更包含一棘輪機構160,其位於棘輪頭殼體130。仔細來說,棘輪頭殼體130可包含一棘輪容納部134及插接部131,棘輪容納部134自插接部131沿馬達120的軸向朝遠離扳手主殼體110的方向延伸,且棘輪容納部134供棘輪機構160設置,並讓棘輪機構160的一驅動端161外露以進行作業。第二嵌合部132包含二凹槽,一個凹槽可對應二個卡凸。因此,當棘輪頭殼體130的插接部131位於扳手主殼體110的前述一端時,各凹槽可配合容置各卡凸,以限位棘輪頭殼體130於扳手主殼體110。在此要特別說明的是,棘輪機構160為習知且非本發明之改良重點,在此不贅述。The
又,扳手主殼體110可更包含二對位溝113,前述二對位溝113對稱排列於扳手主殼體110的前述一端,棘輪頭殼體130更包含二對位凸133,各對位凸133位於插接部131且用以配合各對位溝113。其中一對位溝113可位於第一殼部114並位於前述其中二卡凸之間,另一對位溝113可位於第二殼部115並位於前述另二卡凸之間,二對位凸133分別位於二凹槽之間,各對位凸133的延伸方向平行馬達120的軸向,如此可使棘輪頭殼體130在軸向及徑向均受限位,而能提升結構連接的穩定性。進一步地,棘輪頭殼體130的插接部131上可包含徑向的螺孔,而能與扳手主殼體110配合螺鎖,但本發明不以此為限。Moreover, the wrench
請參閱第3圖、第4圖及第5圖,並一併參閱第1圖至第2圖,其中第3圖繪示第1圖實施例之電動棘輪扳手100的馬達固定件140的一立體示意圖,第4圖繪示第1圖實施例之電動棘輪扳手100的馬達固定件140的另一立體示意圖,第5圖繪示第1圖實施例之電動棘輪扳手100的部分剖視示意圖。馬達固定件140可包含一板部141、一下環部142以及二被夾抵部143。板部141包含一開口1411,下環部142連接板部141的一下表面且包含一穿孔1421,且穿孔1421與開口1411連通形成一軸心空間S1。前述二被夾抵部143自下環部142徑向延伸且連接板部141的下表面,各被夾抵部143包含一凹弧1431,各凹弧1431的形狀對應各主殼體鎖附部112。馬達固定件140可更包含二馬達螺鎖部147,其自下環部142徑向延伸且連接板部141的下表面,各馬達螺鎖部147與各被夾抵部143夾90度,且各馬達螺鎖部147與馬達120螺鎖固定。Please refer to Fig. 3, Fig. 4 and Fig. 5, and refer to Fig. 1 to Fig. 2 together, wherein Fig. 3 shows a three-dimensional view of the
仔細而言,板部141具有圓盤結構,而下環部142具有環狀結構,二馬達螺鎖部147與二被夾抵部143環繞下環部142排列成十字形,且各被夾抵部143具有缺口形成凹弧1431。各馬達螺鎖部147包含軸向貫通至板部141的螺孔,馬達120上亦可包含對應的螺孔,而能讓螺件由板部141穿過各馬達螺鎖部147鎖入馬達120,以固定馬達120於馬達固定件140。進一步地,馬達螺鎖部147上可包含徑向的螺孔,而能與扳手主殼體110配合螺鎖,然不以此限制本發明。In detail, the
如第2圖至第5圖所示,電動棘輪扳手100可更包含一傳動機構150,傳動機構150位於棘輪頭殼體130內且包含一環齒輪151以及一連接軸152。環齒輪151抵頂板部141,連接軸152位於環齒輪151內且朝軸心空間S1凸入並連接馬達120的一馬達軸121,棘輪機構160可受傳動機構150帶動。馬達固定件140更包含一定位環凸144,定位環凸144自板部141的一上表面凸出以供環齒輪151定位。此外,馬達固定件140可更包含二定位凸塊145,各定位凸塊145自定位環凸144的一內壁徑向朝內延伸,環齒輪151包含二定位凹部1511位於環齒輪151的下端,各定位凹部1511供各定位凸塊145嵌入。As shown in FIGS. 2 to 5 , the
具體而言,傳動機構150是位於插接部131內且連接棘輪機構160的一傳動軸162,傳動機構150可更包含行星齒輪,透過連接軸152、行星齒輪及環齒輪151,可將馬達120的動力傳至棘輪機構160。Specifically, the
定位環凸144是自板部141朝上延伸,且馬達固定件140可更包含一凸台146位於板部141,而讓凸台146與定位環凸144之間形成相對的環溝,定位凸塊145即是位於此環溝內。環齒輪151具有圓環狀結構,當環齒輪151定位於環溝內時,定位凹部1511即可與定位凸塊145配合定位,更有助於提升結構的穩定性。The
除環齒輪151與馬達固定件140抵頂定位外,棘輪頭殼體130亦可與環齒輪151相互抵頂。其中,棘輪頭殼體130可更包含二抵頂凸部135,二抵頂凸部135位於棘輪頭殼體130內部,環齒輪151更包含二抵頂凹部1512位於環齒輪151的上端,各抵頂凹部1512配合各抵頂凸部135,如此環齒輪151可抵頂於馬達固定件140及棘輪頭殼體130。In addition to positioning the
因此,在組裝時,是先讓馬達120、馬達固定件140及傳動機構150的連接軸152組裝,並讓棘輪頭殼體130先與棘輪機構160組裝,之後將傳動機構150、馬達120、馬達固定件140、棘輪頭殼體130與棘輪機構160抵頂定位為一體後放入扳手主殼體110,此時透過第一嵌合部111與第二嵌合部132的配合,以及馬達固定件140受插接部131與主殼體鎖附部112夾抵的關係可使所有元件均被暫時定位,如此只要再將第二殼部115與第一殼部114對鎖,並再於需要處鎖上螺件,即可完成組裝。藉此,馬達固定件140可具有承先啟後之作用,即,馬達固定件140可與傳動機構150及馬達120相互定位,且具有軸向及徑向之定位功能,而可達簡化結構之有利功效。Therefore, when assembling, the connecting shaft 152 of the
雖然本發明已以實施例揭露如上,然其並非用以限定本發明,任何熟習此技藝者,在不脫離本發明之精神和範圍內,當可作各種之更動與潤飾,因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。Although the present invention has been disclosed as above with the embodiments, it is not intended to limit the present invention. Anyone skilled in this art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be defined by the appended patent application scope.
100:電動棘輪扳手 110:扳手主殼體 111:第一嵌合部 112:主殼體鎖附部 113:對位溝 114:第一殼部 115:第二殼部 120:馬達 121:馬達軸 130:棘輪頭殼體 131:插接部 132:第二嵌合部 133:對位凸 134:棘輪容納部 135:抵頂凸部 140:馬達固定件 141:板部 1411:開口 142:下環部 1421:穿孔 143:被夾抵部 1431:凹弧 144:定位環凸 145:定位凸塊 146:凸台 147:馬達螺鎖部 150:傳動機構 151:環齒輪 1511:定位凹部 1512:抵頂凹部 152:連接軸 160:棘輪機構 161:驅動端 162:傳動軸 S1:軸心空間 100: electric ratchet wrench 110: Wrench main housing 111: The first fitting part 112: Main housing locking part 113: Alignment groove 114: First Shell 115: second shell 120: motor 121: Motor shaft 130: ratchet head housing 131: socket part 132: the second fitting part 133: Alignment Convex 134: Ratchet receiving part 135: against the convex part 140:Motor fixing piece 141: Board 1411: opening 142: lower ring part 1421: perforation 143: Clamped part 1431: concave arc 144: positioning ring convex 145: positioning bump 146:Boss 147:Motor screw lock 150: transmission mechanism 151: ring gear 1511: positioning recess 1512: Resist the concave part 152: connecting shaft 160: ratchet mechanism 161: drive end 162: drive shaft S1: axis space
第1圖繪示依照本發明一實施例之一種電動棘輪扳手的立體示意圖; 第2圖繪示第1圖實施例之電動棘輪扳手的爆炸示意圖; 第3圖繪示第1圖實施例之電動棘輪扳手的馬達固定件的一立體示意圖; 第4圖繪示第1圖實施例之電動棘輪扳手的馬達固定件的另一立體示意圖;以及 第5圖繪示第1圖實施例之電動棘輪扳手的部分剖視示意圖。 FIG. 1 shows a perspective view of an electric ratchet wrench according to an embodiment of the present invention; Figure 2 shows an exploded view of the electric ratchet wrench of the embodiment in Figure 1; Fig. 3 shows a three-dimensional schematic view of the motor fixing part of the electric ratchet wrench of the embodiment in Fig. 1; Fig. 4 shows another perspective view of the motor fixing part of the electric ratchet wrench of the embodiment in Fig. 1; and Fig. 5 shows a partial cross-sectional schematic diagram of the electric ratchet wrench of the embodiment in Fig. 1 .
100:電動棘輪扳手 100: electric ratchet wrench
111:第一嵌合部 111: The first fitting part
112:主殼體鎖附部 112: Main housing locking part
113:對位溝 113: Alignment groove
114:第一殼部 114: First Shell
115:第二殼部 115: second shell
120:馬達 120: motor
121:馬達軸 121: Motor shaft
130:棘輪頭殼體 130: ratchet head housing
131:插接部 131: socket part
132:第二嵌合部 132: the second fitting part
133:對位凸 133: Alignment Convex
134:棘輪容納部 134: Ratchet receiving part
135:抵頂凸部 135: against the convex part
140:馬達固定件 140:Motor fixing piece
150:傳動機構 150: transmission mechanism
151:環齒輪 151: ring gear
1511:定位凹部 1511: positioning recess
1512:抵頂凹部 1512: Resist the concave part
160:棘輪機構 160: ratchet mechanism
161:驅動端 161: drive end
162:傳動軸 162: drive shaft
Claims (10)
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TW111105845A TWI806433B (en) | 2022-02-17 | 2022-02-17 | Electric ratchet wrench |
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TW111105845A TWI806433B (en) | 2022-02-17 | 2022-02-17 | Electric ratchet wrench |
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TWI806433B true TWI806433B (en) | 2023-06-21 |
TW202333903A TW202333903A (en) | 2023-09-01 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201092021Y (en) * | 2007-09-06 | 2008-07-30 | 常州力达工具有限公司 | Electric ratchet wrench |
CN103753467A (en) * | 2014-01-25 | 2014-04-30 | 浙江立邦电器有限公司 | Electric spanner |
CN208409720U (en) * | 2018-07-12 | 2019-01-22 | 南京久驰机电实业有限公司 | A kind of electric ratchet wrench |
US20210122016A1 (en) * | 2019-10-29 | 2021-04-29 | Techway Industrial Co., Ltd. | Electric torque wrench capable of sensing manual operating torque |
-
2022
- 2022-02-17 TW TW111105845A patent/TWI806433B/en active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201092021Y (en) * | 2007-09-06 | 2008-07-30 | 常州力达工具有限公司 | Electric ratchet wrench |
CN103753467A (en) * | 2014-01-25 | 2014-04-30 | 浙江立邦电器有限公司 | Electric spanner |
CN208409720U (en) * | 2018-07-12 | 2019-01-22 | 南京久驰机电实业有限公司 | A kind of electric ratchet wrench |
US20210122016A1 (en) * | 2019-10-29 | 2021-04-29 | Techway Industrial Co., Ltd. | Electric torque wrench capable of sensing manual operating torque |
TW202116496A (en) * | 2019-10-29 | 2021-05-01 | 朝程工業股份有限公司 | Electric torque wrench capable of sensing manual operating torque capable of flipping the electric torque wrench by a hand |
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