TW202404746A - Digital display torque wrench that adjusts torque mechanically including a body, a wrenching device, a torque interruption device, an irregular elastic component, a torque adjustment device, a locking device, and a torque sensing device - Google Patents
Digital display torque wrench that adjusts torque mechanically including a body, a wrenching device, a torque interruption device, an irregular elastic component, a torque adjustment device, a locking device, and a torque sensing device Download PDFInfo
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Abstract
Description
本發明係有關於一種扭力扳手,特別有關於一種以機械方式調整扭力的數位顯示扭力扳手。The present invention relates to a torque wrench, and in particular to a digital display torque wrench that mechanically adjusts torque.
按,美國發明專利公開第2020/0398410A1號之「Torque wrench」揭示一種扭力扳手。所述的扭力扳手係為一種以數位方式顯示扭力設定值的扭力扳手,其包括有本體、驅動部、跳脫機構、扭力組件及調整組件。扭力組件具有偏壓件及抵頂件,調整組件包括限位件、調整件及滑動組件,限位件抵靠於偏壓件,滑動組件與限位件固接並滑動設置於本體內,而調整件能夠調整滑動組件,以調整限位件抵頂於偏壓件的相對位置,其中,當驅動部所承受之扭力大於扭力扳手之預設扭力設定值時,跳脫機構與抵頂件產生跳脫,據以提示使用者鎖設緊固件的扭力設定值已達到預設。According to U.S. Invention Patent Publication No. 2020/0398410A1, "Torque wrench" discloses a torque wrench. The torque wrench is a torque wrench that digitally displays the torque setting value, and includes a body, a driving part, a trip mechanism, a torque component and an adjustment component. The torsion component has a biasing component and a top-resisting component. The adjusting component includes a limiting component, an adjusting component and a sliding component. The limiting component is against the biasing component. The sliding component is fixedly connected to the limiting component and is slidably installed in the body. The adjusting member can adjust the sliding component to adjust the relative position of the limiting member against the biasing member. When the torque borne by the driving part is greater than the preset torque setting value of the torque wrench, the tripping mechanism and the resisting member generate Trip, thereby prompting the user that the torque setting value of the locking fastener has reached the preset value.
然而,扭力扳手扳轉過程中,驅動部所承受之扭力還未達到扭力扳手之預設扭力值時,因驅動部傳遞至偏壓件的反作用力使其產生撓性,同時所述反作用力也會經由偏壓件與限位件作用在滑動組件上,致使滑動組件產生微動而導致結構鬆散,如此扭力扳手在使用過程中,扭力表現將不夠精確,而有失真的情形。However, during the turning process of the torque wrench, when the torque endured by the driving part has not reached the preset torque value of the torque wrench, the reaction force transmitted from the driving part to the biasing member causes it to become flexible, and at the same time, the reaction force will also The biasing piece and the limiting piece act on the sliding component, causing the sliding component to vibrate slightly and causing the structure to become loose. In this way, during use of the torque wrench, the torque performance will not be accurate enough and may be distorted.
如德國新型專利第202013101035U1號之「Torque tool with trigger mechanism」的扭力扳手,其為另一種扭力工具,其包括有槓桿殼體、槓桿裝置、觸發機構及扭力調節裝置等。槓桿裝置設於槓桿殼體內,且具有兩個槓桿,兩個槓桿藉由切換邊緣而脫跳抵接,當頭部所承受之扭力大於扭力工具之預設扭力設定值時,兩個槓桿產生跳脫,據以提示使用者鎖設緊固件的扭力設定值已達到預設。For example, the torque wrench of "Torque tool with trigger mechanism" in German new patent No. 202013101035U1 is another kind of torque tool, which includes a lever housing, a lever device, a trigger mechanism, a torque adjustment device, etc. The lever device is located in the lever housing and has two levers. The two levers are tripped and contacted by switching edges. When the torque endured by the head is greater than the preset torque setting value of the torque tool, the two levers are tripped. , thereby prompting the user that the torque setting value of the locking fastener has reached the preset value.
同如前述專利的缺點,扭力工具在扳轉過程中,頭部所承受之扭力還未達到預設扭力值時,因頭部傳遞至可彎曲桿的反作用力使其產生撓性,同時所述反作用力也會經由可彎曲桿作用在滑動設置於導向件的支撐件上,致使支撐件相對導向件產生微動而導致結構鬆散,如此扭力工具在使用過程中,扭力表現一樣不夠精確,有失真的情形。Similar to the shortcomings of the aforementioned patents, during the turning process of the torque tool, when the torque endured by the head has not reached the preset torque value, the reaction force transmitted from the head to the bendable rod causes it to become flexible. The reaction force will also act on the support member slidingly installed on the guide member through the bendable rod, causing the support member to move slightly relative to the guide member and causing the structure to become loose. In this way, during the use of the torsion tool, the torsion performance is also inaccurate and distorted. .
為滿足消費者需求,本發明欲提供一種以機械方式調整扭力,且備高精密、扭力不失真的數位顯示扭力扳手。In order to meet the needs of consumers, the present invention intends to provide a digital display torque wrench that can adjust torque mechanically and has high precision and no torque distortion.
為解決上述課題,本發明揭露一種以機械方式調整扭力的數位顯示扭力扳手,其利用鎖定裝置將本體與滑動件鎖定時,能使結構更為緊湊,以便扳手在施力過程中,達到扭力不失真的功效。In order to solve the above problems, the present invention discloses a digital display torque wrench that mechanically adjusts the torque. When the main body and the sliding member are locked by a locking device, the structure can be made more compact, so that the wrench can achieve constant torque during the force application process. The effect of distortion.
為達上述目的,本發明於一項實施例中提供一種以機械方式調整扭力的數位顯示扭力扳手,其包括一本體、一扳動裝置、一扭力中斷裝置、一異型彈力件、一扭力調節裝置、一鎖定裝置及一扭力感測裝置。本體沿著一軸線形成一第一端及一遠離第一端的第二端;扳動裝置能夠擺動地設於本體之第一端,扳動裝置包括一外露於本體之扳動端;扭力中斷裝置樞設於本體內且能夠選擇性抵接於扳動裝置遠離扳動端之一端;異型彈力件包括一固定端及一異於固定端的異型支撐段,異型彈力件之固定端固設於扭力中斷裝置;扭力調節裝置組配於本體,扭力調節裝置具有一滑動件,滑動件沿著平行軸線方向滑動設置於本體內,滑動件具有一承靠部,承靠部供異型彈力件之異型支撐段抵靠;鎖定裝置組配於滑動件與本體之間,鎖定裝置能夠於一釋放位置及一鎖定位置之間變換操作,於釋放位置,使用者能夠易於調整滑動件的承靠部相對於異型彈力件的軸向位置,於鎖定位置,鎖定裝置使滑動件與本體之間具有摩擦阻力,使滑動件無法相對本體移動;扭力感測裝置設置於本體相對於扭力調節裝置之處,扭力感測裝置能夠感測滑動件的位移變化而顯示出一扭力設定值。To achieve the above object, the present invention provides in one embodiment a digital display torque wrench for mechanically adjusting torque, which includes a body, a pulling device, a torque interruption device, a special-shaped elastic member, and a torque adjustment device. , a locking device and a torque sensing device. The body forms a first end and a second end away from the first end along an axis; the pulling device is swingably provided at the first end of the body, and the pulling device includes a pulling end exposed on the body; the torque is interrupted The device is pivoted in the body and can selectively contact the end of the pulling device away from the pulling end; the special-shaped elastic piece includes a fixed end and a special-shaped support section different from the fixed end, and the fixed end of the special-shaped elastic piece is fixed on the torsion Interrupting device; the torque adjustment device is assembled on the body. The torque adjustment device has a sliding part. The sliding part is slidably installed in the body along the parallel axis direction. The sliding part has a supporting part, and the supporting part provides special-shaped support for special-shaped elastic parts. The locking device is assembled between the sliding part and the body. The locking device can be switched between a release position and a locking position. In the releasing position, the user can easily adjust the supporting part of the sliding part relative to the special shape. The axial position of the elastic member is in the locked position. The locking device causes friction resistance between the sliding member and the body, so that the sliding member cannot move relative to the body; the torque sensing device is arranged at the position of the body relative to the torque adjustment device, and the torque sensing device The device can sense the displacement change of the sliding member and display a torque setting value.
藉此,本發明鎖定裝置能夠於鎖定位置將本體與滑動件鎖定時,使其兩者間具有摩擦阻力,進而使結構更為緊湊,以便扳手在施力過程中,不致產生微動,而能夠使扳手的扭力表現更為精準,具有扭力不失真的功效。In this way, the locking device of the present invention can lock the body and the sliding member in the locking position, so that there is friction resistance between the two, thereby making the structure more compact, so that the wrench will not move slightly during the application of force, but can be used. The torque performance of the wrench is more accurate and the torque is not distorted.
此外,本發明亦具有機械式扭力扳手快速跳脫的功能,並快速地調整扭力設定值,同時更兼具有電子扭力扳手數位顯示的功能。In addition, the present invention also has the function of quickly tripping the mechanical torque wrench and quickly adjusting the torque setting value. It also has the function of digital display of the electronic torque wrench.
以下參照各附圖詳細描述本發明的示例性實施例,且不意圖將本發明的技術原理限制於特定公開的實施例,而本發明的範圍僅由申請專利範圍限制,涵蓋了替代、修改和等同物。Exemplary embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is not intended to limit the technical principles of the present invention to the specifically disclosed embodiments, but the scope of the present invention is limited only by the scope of the patent application and covers substitutions, modifications and equivalent.
請參閱圖1至圖7所示,係本發明為一種以機械方式調整扭力的數位顯示扭力扳手100的第一實施例,其包括一本體1、一扳動裝置2、一扭力中斷裝置3、一異型彈力件4、一扭力調節裝置5、一鎖定裝置6及一扭力感測裝置7。Referring to Figures 1 to 7, the present invention is a first embodiment of a digital
本體1,係沿著一軸線L1形成一第一端10及一遠離第一端10的第二端11,軸線L1將本體1分為一順向側LF及一逆向側LR。本體1具有一容置空間12。在本發明實施例中,本體1為扁矩形中空管狀,且容置空間12內具有一導引部121。另外,本體1於第一端10朝第二端11方向依序設有一樞孔13、一感測孔14及一穿孔15,樞孔13、感測孔14及穿孔15分別連通於容置空間12,且感測孔14為長形孔。其中,容置空間12內具有一內壁122,內壁122於逆向側LR設有一第一內壁122a,於順向側LF設有一第二內壁122b。The
扳動裝置2,其能夠擺動的設置於本體1之第一端10,且扳動裝置2具有一外露於本體1的扳動端2a,扳動端2a具有一旋轉軸線L2,於數位顯示扭力扳手100扳動操作時,本體1能夠以旋轉軸線L2進行轉動,用以扳轉緊固件。其中,旋轉軸線L2係垂直於軸線L1。於本發明實施例中,扳動裝置2包括一扳動件20、一驅動頭21及一抵壓件22。扳動端2a設於驅動頭21一端,驅動頭21另一端可拆離地接設於扳動件20。如圖2所示,扳動件20具有一卡槽201,而驅動頭21具有一卡塊211,通過卡槽201與卡塊211凹凸配合,以供使用者因應不同的作業需求而選取特定的驅動頭21組配於扳動件20。The
扳動件20,係樞擺設置於本體1的第一端10,且能夠產生相對的樞擺關係,扳動件20遠離卡槽201具有一連接部202。扳動件20藉由固定銷23穿設於本體1之樞孔13與扳動件20的樞接孔203,使扳動件20樞設於本體1的第一端10。連接部202具有一遠離扳動端2a的末端204而伸入本體1內,末端204一側設有一第一限制部205。連接部202與本體1之第一內壁122a之間設有一彈性件206,彈性件206一端抵於第一內壁122a,另一端抵於扳動件20側邊的容孔207,以提供扳動件20一恢復至自然狀態之力。The
抵壓件22,係樞設於扳動裝置2相反於扳動端2a之一端,於本發明實施例中,抵壓件22具有穿孔221而藉由固定銷222而樞設於末端204的穿孔208。抵壓件22朝向末端204的一側設有一第二限制部223,另一側設有一第一抵接部224。第一限制部205與第二限制部223能夠相互抵接,用以限制抵壓件22的擺轉幅度。The pressing
扭力中斷裝置3,係樞設於本體1的容置空間12內且能夠選擇性抵接於扳動裝置2遠離扳動端2a之一端,即扭力中斷裝置3能夠與扳動裝置2產生抵接關係。本發明實施例中,扭力中斷裝置3係選擇性抵接於扳動裝置2之抵壓件22。扭力中斷裝置3包括一斷開件31。斷開件31藉由固定銷32穿伸於穿孔311而樞設於本體1,用以抵靠連接於抵壓件22,且斷開件31能夠相對本體1於一第一位置及一第二位置之間擺動。The
當數位顯示扭力扳手100扳動的施力持續上升直到等於扭力設定值時,斷開件31能夠與抵壓件22產生跳脫而中斷數位顯示扭力扳手100的施力(如圖4所示),當數位顯示扭力扳手100恢復自然狀態時,斷開件31與抵壓件22能夠自動恢復原來的抵接狀態(如圖5所示)。於本發明實施例中,斷開件31異於異型彈力件4之一側具有一第二抵接部312,用以抵接於抵壓件22的第一抵接部224。此外,扳動裝置2更包括一復位件25,復位件25設於末端204的容孔209與抵壓件22之間,復位件25為彈簧,其常態地使抵壓件22與扭力中斷裝置3保持抵接狀態。When the force exerted by the digital
異型彈力件4,係相對本體1之軸線L1而呈傾斜設置於本體1內,異型彈力件4之軸心線40與軸線L1具有一傾斜角A,且異型彈力件4一端固設於扭力中斷裝置3的斷開件31。於本發明實施例中,異型彈力件4為長棒型,其沿著軸心線40具有一身段41,身段41的一端具有一固定端42,且異於固定端42的一端具有一異型支撐段43,異型支撐段43具有一曲線接觸區431。固定端42位於本體1的順向側LF且結合固定於扭力中斷裝置3的斷開件31異於抵壓件22的一側,而異型彈力件4的異型支撐段43能夠越過本體1之軸線L1。The special-shaped
扭力調節裝置5,係組配於本體1。扭力調節裝置5具有一滑動件50沿著平行於軸線L1方向滑動設置於本體1內的導引部121。滑動件50係呈框體,且於內部轉動設置一承靠部501,承靠部501為滾輪,供異型彈力件4之異型支撐段43抵靠,使曲線接觸區431與承靠部501具有滾動接觸關係。於本發明實施例中,承靠部501藉由固定銷502而樞設於滑動件50。且當調整滑動件50之承靠部501相對於異型支撐段43的軸向位置時能夠改變前述第一抵接部224與第二抵接部312之間的接觸面積。The
另外,滑動件50設有一調整槽503,調整槽503的內緣一側設有一第一齒部504,第一齒部504沿著平行於軸線L1方向設置且為直條狀。異型彈力件4之異型支撐段43穿設於滑動件50內,使承靠部501與異型支撐段43接觸抵靠,藉此滑動件50位移時帶動承靠部501位移,以改變承靠部501抵靠於異型彈力件4之異型支撐段43的支撐位置。In addition, the sliding
其中,當扭力調節裝置5之承靠部501抵靠於異型彈力件4的曲線接觸區431遠離於固定端42之位置時的扭力設定值最小(如圖4),扭力調節裝置5之承靠部501抵靠於異型彈力件4的曲線接觸區431靠近於固定端42之位置時的扭力設定值最大(如圖7)。由於扭力調節裝置5能夠供使用者操作而易於調整承靠部501相對於異型支撐段43的軸向位置,進而改變異型彈力件4相對於本體1之傾斜角A。因此,當扭力設定值最小時,異型彈力件4的傾斜角A為最小,且斷開件31相對於本體1的傾擺角度小,相應地抵壓件22的第一抵接部224與斷開件31的第二抵接部312的接觸面積則較小;當扭力設定值最大時,異型彈力件4的傾斜角A為最大,且斷開件31相對於本體1的傾擺角度大,相應地抵壓件22的第一抵接部224與斷開件31的第二抵接部312的接觸面積則較大,如此一來,具有增加斷開件31扣合於抵壓件22的力量,也就是說需要更高的扳動扭力才能夠使其兩者跳脫,故使得數位顯示扭力扳手100的扭力設定值具有調升之效果,從而能夠延伸扭力設定值的上限,以得到較廣的扭力設定值設定範圍。Among them, when the supporting
鎖定裝置6,係組配於滑動件50與本體1之間,鎖定裝置6能夠於一釋放位置及一鎖定位置之間變換操作。於釋放位置,使用者能夠易於調整滑動件50的承靠部501相對於異型彈力件4的軸向位置,以便調整數位顯示扭力扳手100的扭力;於鎖定位置,鎖定裝置6使滑動件50與本體1之間具有摩擦阻力,使滑動件50無法相對本體1移動。於本發明實施例中,在釋放位置,使用者能夠沿著平行於旋轉軸線L2且垂直於軸線L1的一操作軸線L3進行旋轉操作,以調整滑動件50於軸線L1上的位置,鎖定裝置6係沿操作軸線L3與扭力調節裝置5具有連接關係,且在鎖定位置,鎖定裝置6係沿著操作軸線L3方向施加摩擦阻力於滑動件50,而使鎖定裝置6夾緊滑動件50與本體1,俾使本體1與滑動件50形成穩定的鎖定狀態(如圖3所示),讓滑動件50無法相對本體1移動,由於鎖定裝置6係連接於扭力調節裝置5,使其兩者為共構一起,以便本發明整體結構佈置更加地緊湊。The
於本發明實施例中,本體1沿著操作軸線L3方向形成一頂側1a及一相反設置的底側1b。扭力調節裝置5更包括有一能夠帶動滑動件50產生位移動作的第一傳力件51。第一傳力件51於一端具有一第一連接端511、一第一抵壓部512及一遠離第一連接端511的旋動端513,旋動端513為圓形轉盤狀並具有一第一旋轉半徑R1。另外,第一傳力件51遠離第一抵壓部512具有一受力部514。In the embodiment of the present invention, the
鎖定裝置6,係包括一沿著操作軸線L3而穿伸本體1的穿孔15與滑動件50的軸桿60、一樞擺設置於軸桿60一端的操作柄61以及一螺接設置於軸桿60的第二傳力件62。軸桿60一端具有一樞接孔601而自頂側1a露出本體1,操作柄61具有一偏心凸輪611,操作柄61藉由一樞軸件612而樞設於軸桿60的樞接孔601,使操作柄61能供使用者選擇性相對軸桿60樞擺操作,且操作柄61能帶動軸桿60沿操作軸線L3方向產生位移動作。第一傳力件51與第二傳力件62均設置於軸桿60,且第一傳力件51係沿操作軸線L3而轉動設置於本體1與軸桿60且連動第二傳力件62。於鎖定位置,操作柄61能夠沿著操作軸線L3方向拉動軸桿60,驅使第一傳力件51與第二傳力件62分別朝彼此方向抵壓,用以夾緊本體1與滑動件50(如圖3所示);於釋放位置,操作柄61則相對軸桿60放鬆,以供使用者能夠操作第一傳力件51進而帶動滑動件50相對本體1線性滑移(如圖6所示)。The
於第一實施例中,操作柄61係位於本體1的頂側1a,讓使用者操作鎖定裝置6時係自數位顯示扭力扳手100的頂側1a進行操作使用。第二傳力件62具有一第二連接端621及一設於滑動件50內的第二抵壓部622,第二連接端621同動連接於第一連接端511,於鎖定位置,第一抵壓部512抵壓於本體1,第二抵壓部622抵壓於滑動件50,以將兩者夾緊鎖定。其中,第一連接端511與第二連接端621以不會產生相對旋轉而套接一起,例如是採凹凸配合方式。藉此,鎖定裝置6能夠將本體1與滑動件50鎖定,使結構更為緊湊,以便扳手在施力過程中,不致產生微動狀態,讓扭力表現更加精準,達到扭力不失真的功效。In the first embodiment, the operating
第二傳力件62於第二連接端621與第二抵壓部622之間設有一繞著操作軸線L3設置的第二齒部623,第二齒部623與滑動件50的第一齒部504嚙合。其中,第二傳力件62具有一第二旋轉半徑R2,第二齒部623沿著第二旋轉半徑R2設置,第一旋轉半徑R1大於第二旋轉半徑R2。藉此,使用者能夠以較小的力量就可以驅轉第一傳力件51並帶動第二傳力件62,使第二傳力件62帶動滑動件50相對本體1位移,達可快速的達到調整扭力設定值上限或下限的效果。The second
於本發明實施例中,鎖定裝置6包括一傳力組件63,其抵接設置於操作柄61的偏心凸輪611與第一傳力件51的受力部514之間。傳力組件63包括一塊體631及一彈性片632,於鎖定位置時,操作柄61的偏心凸輪611施力於傳力組件63,使傳力組件63提供傳遞力量至第一傳力件51的作用,而於釋放位置時,彈性片632則提供塊體631復位的力量。另外,鎖定裝置6更具有一蓋子64蓋設於第一傳力件51並遠離第二傳力件62的位置,以穩持住塊體631。In the embodiment of the present invention, the
扭力感測裝置7,係設置於本體1相對於扭力調節裝置5之處,扭力感測裝置7能夠感測扭力調節裝置5的調整而顯示出扭力設定值,以便使用者直覺式了解扭力設定值的設定狀態。於本發明實施例中,扭力感測裝置7包括有相互電性連接的一顯示器70、一感測件71、一計數器72及一電源73。其中,扭力感測裝置7設於本體1的頂側1a,電源73係為電池且設置在本體1的第二端11內並供應電力予顯示器70、感測件71及計數器72。The
感測件71的位置係對應於感測孔14,感測件71具有一可動部711,可動部711插設連接於滑動件50的插孔505而隨其位移,使感測件71經由感測孔14感測滑動件50的位移變化而產生一扭力訊號,顯示器70依據扭力訊號顯示扭力設定值。其中,感測件71係為可變電阻。The position of the sensing
計數器72係設置於對應扭力中斷裝置3之抵壓件22的位置,而能夠依據斷開件31與抵壓件22之跳脫次數而發送一計數訊號並顯示於顯示器70,方便使用者了解數位顯示扭力扳手100超過設定扭力設定值的次數多寡,而精準的將緊固件鎖至預定的磅數值。The
此外,本發明的本體1更包括一握持件1c,其套設於本體1之第二端11,以供握持操作。In addition, the
本發明更包括一偏壓裝置8,係設置於本體1與滑動件50之間。偏壓裝置8包括一長條狀的彈片80,其沿著平行軸線L1設置在本體1與滑動件50間,且彈片80沿著垂直於軸線L1與操作軸線L3的方向而施加彈力於滑動件50,用於消除滑動件50與本體1之間的餘隙。其中,彈片80的兩端各具有一勾固部81,各勾固部81分別勾設連接於滑動件50側邊的穿孔506,使彈片80結合於滑動件50並隨其位移。The present invention further includes a
本發明扳動裝置2更包括一調整裝置9,其能夠調整扳動裝置2與扭力中斷裝置3之間的抵接程度,進而調整扳手的扭力精確度。於本發明實施例中,調整裝置9設置於扳動件20的末端204與抵壓件22之間。調整裝置9包括一調整件90及一螺設於調整件90一端的螺帽91,調整件90與螺帽91係經由本體1一側的穿孔16伸入本體1內,且調整件90以另一端而螺設於末端204的調整孔210,調整件90具有一調整端901及一抵靠端902,螺帽91具有一孔911,抵靠端902露出調整孔210而抵接於抵壓件22,藉以扳手出廠前或維修時,能夠利用手工具伸入穿孔16及螺帽91的孔911而旋動調整端901,進而調整抵壓件22相對末端204的樞擺角度,進而改變抵壓件22的第一抵接部224抵靠於斷開件31的第二抵接部312的接觸面積。The pulling
本發明更包括一彈性裝置S,其包括一彈簧S1及一螺件S2,螺件S2螺設於斷開件31一側,彈簧S1一端連接於螺件S2,另一端則抵接於第一內壁122a,彈性裝置S的彈簧S1能使異型彈力件4的曲線接觸區431恆保持接觸於滑動件50的承靠部501狀態。The present invention further includes an elastic device S, which includes a spring S1 and a screw S2. The screw S2 is screwed on one side of the disconnecting
如圖6及圖7所示,係鎖定裝置6處於釋放位置,以供使用者旋動第一傳力件51進行扭力設定值的調整,藉以第一傳力件51旋轉帶動第二傳力件62旋轉,以便帶動滑動件50相對本體1沿軸線L1方向朝斷開件31方向線性位移,而快速的將承靠部501自下極限位置調整至上極限位置,即承靠部501支撐於異型彈力件4之異型支撐段43的位置,從最末端移至約靠近中段處,此位置數位顯示扭力扳手100的扭力設定值設定為最大,如此行程調整,因第一旋轉半徑R1大於第二旋轉半徑R2之故,使用者可以在第一傳力件51旋動1~2圈內快速完成調整動作,使用上相當快速便利,此時斷開件31位於第一位置,第一傳力件51能夠供使用者轉動以便帶動滑動件50而調整承靠部501相對於異型支撐段43的位置,能夠達到快速簡易的從扭力下限調整至扭力上限的功能。當然如果要再回到如圖3及圖4之位置時,只要依前述調整動作,而使本發明也能夠達到快速簡易的從扭力上限調整至扭力下限的功能。As shown in Figures 6 and 7, the
接著如圖7所示,扳動數位顯示扭力扳手100,由於扭力設定值設定為最大狀態,因此異型彈力件4於固定端42至承靠部501之間的部分受到扳動裝置2之反作用力所產生彎曲的程度較扭力設定值為最小狀態時來的小。當數位顯示扭力扳手100扳動的力量大於所述設定值時,同如前述,斷開件31能夠與抵壓件22產生跳脫而中斷使數位顯示扭力扳手100的施力中斷傳遞,以提示使用者停止施力,避免損傷緊固件。而利用前述扭力調節裝置5的操作動作,而能夠快速地使滑動件50沿著平行軸線L1的方向移動調整,進而達到快速調整扭力之作用。Then, as shown in FIG. 7 , the digital
請參閱圖8至圖14所示,係為本發明數位顯示扭力扳手100a的第二實施例,其與第一實施例相同處不再重覆贅述,而不同之處在於,第二實施例中的操作柄61係位於本體1的底側1b,讓使用者操作鎖定裝置6時係自數位顯示扭力扳手100的底側1b進行操作使用。另外:Please refer to Figures 8 to 14, which are the second embodiment of the digital
本體1於樞孔13與穿孔15之間設有另一樞孔17連通於容置空間12。The
扳動裝置2進一步包括一連桿26、一作動件27及兩夾板28。扳動件20之末端204一側具有一第一撞擊面204a,第一撞擊面204a與第一內壁122a之間具有一第一撞擊空間SP1。連桿26具有一第一連結端261及一相反設置的第二連結端262。於本發明實施例中,連桿26的第一連結端261藉由固定銷263穿設末端204的穿孔204b及連桿26的穿孔261a,使連桿26的第一連結端261樞設於末端204。The pulling
兩夾板28的兩側分別以四個固定銷281穿設兩夾板28的穿孔282及作動件27的穿孔271,使兩夾板28與作動件27固定一起。連桿26的第二連結端262藉由固定銷264穿設穿孔262a而樞設於兩夾板28的一側。此外,於第二實施例中,作動件27為兩片,即兩作動件27被兩夾板28所夾持並疊合固接一起。Four fixing
作動件27與兩夾板28經由固定銷283穿設樞孔17、兩夾板28的穿孔284及作動件27的穿孔272,使兩作動件27與兩夾板28樞設於本體1,讓作動件27能夠相對本體1於一第一樞擺位置及一第二樞擺位置之間擺動,故作動件27能夠與連桿26的第二連結端262產生連動關係。即當扳動件20擺動時,連桿26能夠連動兩夾板28,進而使兩夾板28連動兩作動件27產生擺動。此外,每一作動件27遠離連桿26之一端設有一作動端273,作動端273具有一容槽274及一第一限制部275,第一限制部275遠離扳動端2a。另外,作動件27之一側具有一第二撞擊面276,第二撞擊面276與第二內壁122b之間具有一第二撞擊空間SP2。The actuating
在第二實施例中,抵壓件22藉由固定銷225而樞設於兩夾板28的另一側的穿孔285,而與作動件27之作動端273連動接觸。抵壓件22的第二限制部223與作動件27的第一限制部275相互抵接,用以限制抵壓件22的擺轉幅度。In the second embodiment, the pressing
在第二實施例中,復位件25a位於容槽274且設置在作動件27與抵壓件22之間,常態地使抵壓件22與斷開件31保持抵接狀態。而彈性件206為三個並位在扳動件20與本體1之間,提供扳動件20恢復至自然狀態的力量。In the second embodiment, the
扭力調節裝置5的第一傳力件51a遠離第一抵壓部512具有繞著操作軸線L3的一第二齒部515,用與嚙合於滑動件50的第一齒部504。其中,第二齒部515為齒輪而固設在第一傳力件51a的非圓形軸516上。第一傳力件51a具有一槽51a1,以供一防塵蓋52蓋設。The first
鎖定裝置6的第二傳力件62a的第二連接端621係滑設連接於第一傳力件51a的非圓形軸516。與前述第一實施例相同,第二實施例的鎖定裝置6同樣具有選擇性地將滑動件50與本體1夾緊的作用,使本體1與滑動件50形成穩定的鎖定狀態。其中,在鎖定位置,操作柄61的偏心凸輪611施力作用於第二傳力件62a,使第二傳力件62a與第一傳力件51a分別朝彼此方向抵壓,用以夾緊本體1與滑動件50。The second
進一步地,鎖定裝置6的軸桿60的螺紋部602穿設於第一傳力件51a而伸入槽51a1,以供一第一螺設件65及一第二螺設件66螺設於螺紋部602,其中第一螺設件65與第一傳力件51a之間具有一碟形彈簧67,用以吸收震動,並達到防止第一螺設件65與第二螺設件66脫離軸桿60的效果。Further, the threaded
而在第二實施例中,調整裝置9係設置於作動件27與抵壓件22之間。調整件90螺設於抵壓件22並抵接於作動件27,藉以調整抵壓件22相對作動件27的樞擺角度,並同樣達到第一實施例之調整抵壓件22與斷開件31接觸面積的效果。In the second embodiment, the adjusting
請參閱圖9及圖10a、圖10b所示。如圖9,承靠部501處於下極限位置,即承靠部501支撐於異型彈力件4之異型支撐段43的最末端且離扳動端2a最遠,如此數位顯示扭力扳手100的扭力設定值設定為最小,同時斷開件31亦處於第一位置。而如圖10b所示,數位顯示扭力扳手100於自然狀態時,連桿26的軸心線260與軸線L1具有一第一夾角θ1,第二撞擊面276與軸線L1具有一衝擊夾角B,且連桿26的第二連結端262位於逆向側LR,第一夾角θ1大於衝擊夾角B。Please refer to Figure 9, Figure 10a and Figure 10b. As shown in Figure 9, the supporting
接著如圖11a及圖11b、圖14所示,當扳動數位顯示扭力扳手100,且作動件27位於第一樞擺位置時,作動件27能夠傳遞扳動裝置2之反作用力至異型彈力件4,而使異型彈力件4於固定端42至承靠部501之間的部分能夠產生彎曲;而當數位顯示扭力扳手100扳動的力量大於扭力設定值,斷開件31能夠與抵壓件22產生跳脫而中斷,使數位顯示扭力扳手100的施力中斷傳遞,俾使作動件27由第一擺動位置擺動至第二樞擺位置時,作動件27能夠連動連桿26相對本體1產生位移,並促使作動件27與扳動件20同時分別撞擊本體1之第一內壁122a及第二內壁122b,於撞擊時係以扳動件20的第一撞擊面204a進入第一撞擊空間SP1而撞擊於第一內壁122a,作動件27的第二撞擊面276進入第二撞擊空間SP2而撞擊於第二內壁122b,藉此提供使用者在扳轉時得到明顯的機械式扭力跳脫手感,據以提示使用者停止施力。且由於連桿26與作動件27連動地設置於扳動件20與斷開件31之間,當斷開件31能夠與抵壓件22跳脫時,連桿26能夠將原先承受來自扳動件20的推力瞬間轉化成拉住扳動件20的拉力,透過此拉力而達到延遲扳動件20撞擊第一內壁122a的時間。由於扳轉作業扳手達扭力預設值時,使用者仍易有慣性施力的情形發生,因此透過本發明連桿26的連動效果,而能達到緩衝使用者在扳動緊固件達扭力預設值時,所發生之慣性施力的情形,避免對緊固件施加過度的扭力,從而達到更精準的扳動作業。據此,當扳手達扭力預設值時會出現最高峰值X(Nm)後,接著在1秒鐘的短時間內(如圖14中的t0至t1時間區間)因使用者的慣性施力,所出現的次高峰值Y(Nm)仍會小於最高峰值X(Nm),故能夠避免扳手對於緊固件過度施力之情形,如圖14所示。Next, as shown in Figures 11a, 11b, and 14, when the digital
此外,如圖11b所示,扭力中斷裝置3中斷數位顯示扭力扳手100的施力時,連桿26的軸心線260與軸線L1具有一第二夾角θ2,第一夾角θ1大於第二夾角θ2,且連桿26的第一連結端261能夠越過本體1之軸線L1而與第二連結端262均位於本體1之逆向側LR。承如前述斷開件31處於第二位置,異型彈力件4能夠使扭力中斷裝置3提供扳動裝置2回復原狀的力量,而當數位顯示扭力扳手100扳動的力量小扭力設定值時,抵壓件22能夠與斷開件31再次地恢復原來的抵接狀態。In addition, as shown in Figure 11b, when the
接著如圖12及圖13所示,係鎖定裝置6處於釋放位置,以供使用者操作扭力調節裝置5進行扭力設定值的調整,即藉以第一傳力件51旋轉帶動第二傳力件62旋轉,以便帶動滑動件50相對本體1沿軸線L1方向朝斷開件31方向線性位移,而快速的將承靠部501自下極限位置調整至上極限位置。當然如果要再回到如圖9及圖10a之位置時,只要依前述調整動作,而使本發明也能夠達到快速簡易的從扭力上限調整至扭力下限的功能。Then, as shown in Figures 12 and 13, the
綜合上述,本發明具有下列優點:Based on the above, the present invention has the following advantages:
1.本發明藉由鎖定裝置6在鎖定位置時鎖定本體1與滑動件50,使其兩者間具有摩擦阻力,讓滑動件50無法相對本體1移動,以便扳手在施力過程中,不致產生微動,讓扳手的扭力表現更為精準,具有扭力不失真的功效。1. The present invention uses the
2.本發明藉由偏壓裝置8消除滑動件50與本體1之間的餘隙,讓兩者配合更加地精密,有利於扳手呈高精度的扭力表現。2. The present invention uses the
3.本發明藉以調整裝置9調整抵壓件22的樞擺角度,而能夠於扳手出廠前或維修時調整抵壓件22與斷開件31的接觸面積,據以微調扳手的扭力精準度。3. The present invention uses the
4.本發明藉由扳動件20、連桿26及作動件27的連動關係,而能提供使用者明顯的機械式扭力跳脫手感,以提示使用者停止施力,同時能夠緩衝使用者在扳動緊固件達扭力預設值時的慣性施力,避免對緊固件施加過度的扭力。4. Through the linkage relationship between the puller 20, the connecting
以上所舉實施例僅用以說明本發明而已,非用以限制本發明之範圍。舉凡不違本發明精神所從事的種種修改或改變,俱屬本發明申請專利範圍。The above embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. All modifications or changes that do not violate the spirit of the present invention fall within the scope of the patent application of the present invention.
100、100a:數位顯示扭力扳手 1:本體 10:第一端 11:第二端 12:容置空間 121:導引部 122:內壁 122a:第一內壁 122b:第二內壁 13:樞孔 14:感測孔 15:穿孔 16:穿孔 17:樞孔 1a:頂側 1b:底側 1c:握持件 2:扳動裝置 20:扳動件 201:卡槽 202:連接部 203:樞接孔 204:末端 204a:第一撞擊面 204b:穿孔 205:第一限制部 206:彈性件 207:容孔 208:穿孔 209:容孔 21:驅動頭 210:調整孔 211:卡塊 22:抵壓件 221:穿孔 222:固定銷 223:第二限制部 224:第一抵接部 225:固定銷 23:固定銷 25:復位件 25a:復位件 26:連桿 260:軸心線 261:第一連結端 261a:穿孔 262:第二連結端 262a:穿孔 263:固定銷 264:固定銷 27:作動件 271:穿孔 272:穿孔 273:作動端 274:容槽 275:第一限制部 276:第二撞擊面 28:夾板 281:固定銷 282:穿孔 283:固定銷 284:穿孔 285:穿孔 2a:扳動端 3:扭力中斷裝置 31:斷開件 311:穿孔 312:第二抵接部 32:固定銷 4:異型彈力件 40:軸心線 41:身段 42:固定端 43:異型支撐段 431:曲線接觸區 5:扭力調節裝置 50:滑動件 501:承靠部 502:固定銷 503:調整槽 504:第一齒部 505:插孔 506:穿孔 51:第一傳力件 511:第一連接端 512:第一抵壓部 513:旋動端 514:受力部 515:第二齒部 516:非圓形軸 51a:第一傳力件 51a1:槽 52:防塵蓋 6:鎖定裝置 60:軸桿 601:樞接孔 602:螺紋部 61:操作柄 611:偏心凸輪 612:樞軸件 62:第二傳力件 621:第二連接端 622:第二抵壓部 623:第二齒部 62a:第二傳力件 63:傳力組件 631:塊體 632:彈性片 64:蓋子 65:第一螺設件 66:第二螺設件 67:碟形彈簧 7:扭力感測裝置 70:顯示器 71:感測件 711:可動部 72:計數器 73:電源 8:偏壓裝置 80:彈片 81:勾固部 9:調整裝置 90:調整件 901:調整端 902:抵靠端 91:螺帽 911:孔 A:傾斜角 B:衝擊夾角 L1:軸線 L2:旋轉軸線 L3:操作軸線 LF:順向側 LR:逆向側 R1:第一旋轉半徑R2:第二旋轉半徑 S:彈性裝置 S1:彈簧 S2:螺件 SP1:第一撞擊空間 SP2:第二撞擊空間 θ1:第一夾角 θ2:第一夾角 100, 100a: Digital display torque wrench 1: Ontology 10:First end 11:Second end 12: Accommodation space 121: Guidance Department 122:Inner wall 122a: first inner wall 122b: Second inner wall 13: Pivot hole 14: Sensing hole 15:Perforation 16:Perforation 17: Pivot hole 1a: Top side 1b: Bottom side 1c: Grip piece 2: Pulling device 20: Pull piece 201:Card slot 202:Connection Department 203: Pivot hole 204:End 204a: First impact surface 204b: perforation 205:First Restriction Department 206: Elastic parts 207:Volume 208:Perforation 209:Rong Kong 21:Drive head 210:Adjustment hole 211: jam block 22: Pressure-resisting parts 221:Perforation 222: Fixed pin 223:Second Restriction Department 224:First contact part 225: Fixed pin 23: Fixed pin 25:Reset piece 25a:Reset piece 26: Connecting rod 260:Axis line 261:First connection end 261a: perforation 262:Second link 262a: perforation 263: Fixed pin 264: Fixed pin 27:Actuating parts 271:Perforation 272:Perforation 273:Actuating end 274:Tank 275:First Restriction Department 276: Second impact surface 28:Plywood 281: Fixed pin 282:Perforation 283: Fixed pin 284:Perforation 285:Perforation 2a: Pull end 3: Torque interruption device 31: Disconnected parts 311:Perforation 312: Second contact part 32: Fixed pin 4: Special-shaped elastic parts 40: Axis line 41: Figure 42: Fixed end 43: Special-shaped support section 431: Curve contact area 5: Torque adjustment device 50:Sliding parts 501: Reliance Department 502: Fixed pin 503:Adjustment slot 504:First tooth part 505:Jack 506:Perforation 51: The first force transmission part 511: first connection end 512:First resistance part 513: Rotating end 514: Force-receiving department 515:Second tooth part 516:Non-circular shaft 51a: The first force transmission part 51a1:Slot 52:Dust cover 6: Locking device 60:Shaft 601: Pivot hole 602:Thread part 61: Operating handle 611: Eccentric cam 612: Pivot piece 62: Second force transmission part 621: Second connection terminal 622: The second resistance part 623:Second tooth part 62a: Second force transmission part 63: Force transmission components 631:Block 632: Elastic sheet 64:Lid 65: The first screw 66:Second screw fitting 67: Disc spring 7:Torque sensing device 70:Display 71: Sensing piece 711: Movable part 72: Counter 73:Power supply 8: Bias device 80:Shrapnel 81: hooking part 9:Adjustment device 90:Adjustment parts 901: Adjustment end 902: abutment end 91: Nut 911:hole A:tilt angle B: Impact angle L1: axis L2: axis of rotation L3: operating axis LF: antegrade side LR: reverse side R1: first radius of rotation R2: second radius of rotation S: elastic device S1: spring S2: screws SP1: First impact space SP2: Second impact space θ1: the first included angle θ2: the first included angle
[圖1]係為本發明數位顯示扭力扳手第一實施例外觀示意圖。 [圖2]係為本發明數位顯示扭力扳手第一實施例結構分解示意圖。 [圖3]係自圖1所取之局部縱剖面示意圖,顯示鎖定裝置處於鎖定位置。 [圖4]係自圖1所取之局部橫剖面示意圖,顯示承靠部處於下極限位置,且扭力設定值設定為最小。 [圖5]係為本發明數位顯示扭力扳手第一實施例之扳轉動作示意圖,顯示扳手跳脫狀態。 [圖6]係為本發明數位顯示扭力扳手之局部縱剖面示意圖,顯示鎖定裝置處於釋放位置,且第一傳力件能夠帶動滑動件線性位移,而將承靠部調至上極限位置。 [圖7]係為本發明數位顯示扭力扳手之局部橫剖面示意圖,顯示承靠部處於上極限位置,且扭力設定值設定為最大。 [圖8]係為本發明數位顯示扭力扳手第二實施例結構分解示意圖。 [圖9]係自圖8所取之局部縱剖面示意圖,顯示鎖定裝置處於鎖定位置。 [圖10a]係自圖8所取之局部橫剖面示意圖,顯示承靠部處於下極限位置,且扭力設定值設定為最小。 [圖10b]係為圖10a的局部放大示意圖。 [圖11a]係為本發明數位顯示扭力扳手第二實施例之扳轉動作示意圖,顯示扳手跳脫狀態。 [圖11b]係為圖11a的局部放大示意圖。 [圖12]係為本發明數位顯示扭力扳手之局部縱剖面示意圖,顯示鎖定裝置處於釋放位置,且第一傳力件能夠帶動滑動件線性位移,而將承靠部調至上極限位置。 [圖13]係為本發明數位顯示扭力扳手之局部橫剖面示意圖,顯示承靠部處於上極限位置,且扭力設定值設定為最大。 [圖14]係為本發明數位顯示扭力扳手於使用者施力與時間變化曲線圖。 [Fig. 1] is a schematic diagram of the appearance of the first embodiment of the digital display torque wrench of the present invention. [Fig. 2] is an exploded schematic diagram of the structure of the first embodiment of the digital display torque wrench of the present invention. [Figure 3] is a partial longitudinal sectional view taken from Figure 1, showing the locking device in the locked position. [Figure 4] is a partial cross-sectional schematic diagram taken from Figure 1, showing that the supporting part is at the lower limit position and the torque setting value is set to the minimum. [Fig. 5] is a schematic diagram of the turning action of the digital display torque wrench according to the first embodiment of the present invention, showing the wrench tripping state. [Figure 6] is a partial longitudinal cross-sectional schematic diagram of the digital display torque wrench of the present invention, showing that the locking device is in the release position, and the first force transmission member can drive the sliding member to linearly displace, and adjust the supporting portion to the upper limit position. [Figure 7] is a partial cross-sectional schematic diagram of the digital display torque wrench of the present invention, showing that the supporting part is at the upper limit position and the torque setting value is set to the maximum. [Fig. 8] is an exploded schematic diagram of the structure of the second embodiment of the digital display torque wrench of the present invention. [Figure 9] is a partial longitudinal sectional schematic diagram taken from Figure 8, showing the locking device in the locked position. [Figure 10a] is a partial cross-sectional schematic diagram taken from Figure 8, showing that the supporting part is at the lower limit position and the torque setting value is set to the minimum. [Fig. 10b] is a partially enlarged schematic diagram of Fig. 10a. [Fig. 11a] is a schematic diagram of the turning action of the second embodiment of the digital display torque wrench of the present invention, showing the wrench trip state. [Fig. 11b] is a partially enlarged schematic diagram of Fig. 11a. [Figure 12] is a partial longitudinal cross-sectional schematic diagram of the digital display torque wrench of the present invention, showing that the locking device is in the release position, and the first force transmission member can drive the sliding member to linearly displace, and adjust the supporting portion to the upper limit position. [Figure 13] is a partial cross-sectional schematic diagram of the digital display torque wrench of the present invention, showing that the supporting part is at the upper limit position and the torque setting value is set to the maximum. [Fig. 14] is a graph showing changes in user force and time of the digital display torque wrench of the present invention.
100:數位顯示扭力扳手 100: Digital display torque wrench
1:本體 1: Ontology
10:第一端 10:First end
13:樞孔 13: Pivot hole
15:穿孔 15:Perforation
1a:頂側 1a: Top side
1b:底側 1b: Bottom side
1c:握持件 1c: Grip piece
2:扳動裝置 2: Pulling device
20:扳動件 20: Pull piece
201:卡槽 201:Card slot
202:連接部 202:Connection Department
203:樞接孔 203: Pivot hole
204:末端 204:End
205:第一限制部 205:First Restriction Department
206:彈性件 206: Elastic parts
207:容孔 207:Volume
208:穿孔 208:Perforation
21:驅動頭 21:Drive head
211:卡塊 211: jam block
22:抵壓件 22: Pressure-resisting parts
221:穿孔 221:Perforation
222:固定銷 222: Fixed pin
223:第二限制部 223:Second Restriction Department
224:第一抵接部 224:First contact part
23:固定銷 23: Fixed pin
25:復位件 25:Reset piece
2a:扳動端 2a: Pull end
3:扭力中斷裝置 3: Torque interruption device
31:斷開件 31: Disconnected parts
311:穿孔 311:Perforation
312:第二抵接部 312: Second contact part
32:固定銷 32: Fixed pin
4:異型彈力件 4: Special-shaped elastic parts
41:身段 41: Figure
42:固定端 42: Fixed end
43:異型支撐段 43: Special-shaped support section
431:曲線接觸區 431: Curve contact area
5:扭力調節裝置 5: Torque adjustment device
50:滑動件 50:Sliding parts
501:承靠部 501: Reliance department
502:固定銷 502: Fixed pin
503:調整槽 503:Adjustment slot
504:第一齒部 504:First tooth part
505:插孔 505:Jack
506:穿孔 506:Perforation
51:第一傳力件 51: The first force transmission part
511:第一連接端 511: first connection end
512:第一抵壓部 512:First resistance part
513:旋動端 513: Rotating end
514:受力部 514: Force-receiving department
6:鎖定裝置 6: Locking device
60:軸桿 60:Shaft
601:樞接孔 601: Pivot hole
602:螺紋部 602:Thread part
61:操作柄 61: Operating handle
611:偏心凸輪 611: Eccentric cam
612:樞軸件 612: Pivot piece
62:第二傳力件 62: Second force transmission part
621:第二連接端 621: Second connection terminal
622:第二抵壓部 622: The second resistance part
623:第二齒部 623:Second tooth part
63:傳力組件 63: Force transmission components
631:塊體 631:Block
632:彈性片 632: Elastic sheet
64:蓋子 64:Lid
7:扭力感測裝置 7:Torque sensing device
70:顯示器 70:Display
72:計數器 72: Counter
8:偏壓裝置 8: Bias device
80:彈片 80:Shrapnel
81:勾固部 81: hooking part
9:調整裝置 9:Adjustment device
90:調整件 90:Adjustment parts
91:螺帽 91: Nut
911:孔 911:hole
L1:軸線 L1: axis
L2:旋轉軸線 L2: axis of rotation
L3:操作軸線 L3: operating axis
S:彈性裝置 S: elastic device
S1:彈簧 S1: spring
S2:螺件 S2: screws
Claims (13)
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Publication number | Priority date | Publication date | Assignee | Title |
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US6119562A (en) * | 1999-07-08 | 2000-09-19 | Jenkins; Bradley G. | Electromechanical releasing torque wrench |
TW200720031A (en) * | 2005-11-30 | 2007-06-01 | Kabo Tool Co | Dual fulcrum torsion wrench |
CN100509296C (en) * | 2005-12-02 | 2009-07-08 | 谢智庆 | Double pivot-point torque spanner |
DE202013101035U1 (en) * | 2013-03-08 | 2013-03-18 | Eduard Wille Gmbh & Co. Kg | Torque tool with trigger mechanism |
US10688635B2 (en) * | 2016-10-07 | 2020-06-23 | Milwaukee Electric Tool Corporation | Torque wrench |
WO2018123816A1 (en) * | 2016-12-26 | 2018-07-05 | 京都機械工具株式会社 | Torque value setting system, torque value setting device, and torque value setting method |
JP2018164947A (en) * | 2017-03-28 | 2018-10-25 | 京都機械工具株式会社 | Fastening tool |
TWI695761B (en) * | 2019-06-21 | 2020-06-11 | 特典工具股份有限公司 | Torque wrench |
TWI721796B (en) * | 2020-02-25 | 2021-03-11 | 寶達精業股份有限公司 | Electro-mechanical torque wrench |
TWI734632B (en) * | 2020-10-16 | 2021-07-21 | 胡厚飛 | Digital display torque wrench for easy adjustment of torque |
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