TWI269690B - Sensing device of hand tool - Google Patents

Sensing device of hand tool Download PDF

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Publication number
TWI269690B
TWI269690B TW94126293A TW94126293A TWI269690B TW I269690 B TWI269690 B TW I269690B TW 94126293 A TW94126293 A TW 94126293A TW 94126293 A TW94126293 A TW 94126293A TW I269690 B TWI269690 B TW I269690B
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Taiwan
Prior art keywords
sensing unit
hand tool
unit
sensing
wall surface
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TW94126293A
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Chinese (zh)
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TW200706318A (en
Inventor
Chih-Ching Hsien
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Kabo Tool Co
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Publication of TW200706318A publication Critical patent/TW200706318A/en

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Abstract

The invention discloses a sensing device of a hand tool comprising a sensing unit which is buried in the inner wall of a pulling portion of a hand tool main portion. The sensing unit is connected to a processing unit, and the sensing unit changes the output signal when being pressed. When the hand tool main portion turns a screw element, the sensing unit takes the reaction force which is produced from turning the screw element, so the processing unit calculates the accurate torsion value and shows on a display which is supplied to a user for reference. The sensing unit of the invention is set in the pulling portion, and takes the stress which is produced from turning the screw element directly. Therefore the measuring torsion value is more accurate than the data which is transformed indirectly from the deformation of a strain gauge. The invention has the practicability and inventive step, and is quite worthy of popularizing in industrial circles to make public.

Description

1269690 九、發明說明: 【發明所屬之技術領域】 本發明係有關於一種『手工具之感測裝置』,特別是關於一種可提高應 、炎規莖破度之結構設計’以增加扭力值量測準確性之手工具者。 【先前技術】1269690 IX. INSTRUCTIONS: [Technical field to which the invention pertains] The present invention relates to a "sensing device for hand tools", and more particularly to a structural design that can improve the stem breaking degree of an inflammatory tube to increase the amount of torque. Hand tool for measuring accuracy. [Prior Art]

按,目前民眾親自動手佈置家中的D J Y風氣日盛,再加上國内手工 具發展係已相當成熟穩定,其中不論是產品種類或是結構品質,更榮獲國 内外-致肯定,手工具生產業界這幾年來為了使—般消fA眾在使用時更 谷易上手,於疋各種易於操作或附帶人性化功能的手工具亦陸續問市。 扳手類之手工具係可配合螺固件,應用縣力原理,而將兩物件結合, 且物件結合後並可反覆拆卸,因此可_於各種A小不同之處,而扭力工 具在操作時,所面臨之最大_便是制者不易拿捏㈣固件的鬆緊度, 習用之手王具並核有扭力量顺置,或雖設餘力制裝置,但未能具 有足夠的錄度,€轉麵制㈣打麟施作處制件之扭力及 鬆緊度,因此使用者亦無法確_得知謎作處之鬆緊度是科中,音即 使用者在紐得知«度的情況τ,僅⑽本身㈣六感猜_螺固件是 否緊固,而_繼度州,恤達齡爾之絲,並料 鬆脫;反之_件鬆緊度過騎,則_件容術、物件峨損變形, 甚至產生無法物的情況’尤其是在精密設備或小型儀器上,因其結構較 容易因不慎施力而破壞,故其所需要的精確程度更在一般物件之上,妙 於此’各扭力工具製造練推出了具有扭力量測功能之手工具,其中如: a專利弟3 9 7 G15 5遽’其係、為_扳手工具,該扳手卫具並在握持部 1269690 一與扳動設有二應魏,鶴魏錢接於扳手婦㈣設之計算單元 -及齡器上,藉此得以_計算出扭力值之大小,並顯示於顯示器上供使 :考“、、:而上述此種扭力量測結構其感應器(即應變規)並非設置 於可直接_扭力值之處,而是設置於握持部上,因此,其計算出之扭力 量測值乃係為一估計之數據而已,並不是直接對該扭力值進行量測,因此 習用之扭力量測結構之準確度尚有不足之處,僅能量測出大略的扭力數值 供使用者參考,而無法精確的顯示出扭力值,因此就整體而言,其可說是 籲相當的不具有實用性,實有加以改良之必要。 【發明内容】 本發明之主要目的係、在於提供—種手卫具之感職置,其可改善習用 具有扭力量測結構之手工具以間接方式測得扭力值而不夠準確等缺失。 為達成前述之發明目的,本發明係利用在手工具本體之板動部内側壁 埋設感測單元’該感測單元並與—處理單元相連接,頭感測單元在受到 壓力時係會改變輸出之訊號,藉此,當手工具本體扳動部板轉螺固件時, ❿該感測單元係會承受扳轉螺固件之反作用力,故處理單元可透過感測單元 正確的計算出扭力值,並顯示於顯示器上供使用者參考; • 由上所述可知,本發明之感測單元係設置於扳動部内,並直接承受扳 轉螺固件時之應力,因此所測得之扭力值會較已往以應變規(即張力規) 間接的形變量來換算之數據更為準確,故本發明實是一種相當具有實用性 及進步性之發明,相當值得產業界來推廣,並公諸於社會大眾。 【實施方式】 本發明係有關於-種手工具之感測裝置,請參閱第一圖及第二圖所 6 1269690 一不,這種手工具之感職置其主要係包括—打具本體⑴該手工具本 __體⑴係在至少-端形成扳動部⑴),該扳動部(工工)於本實例中 係為一棘輪扳動部(1 1 ),其中·· 一扳動。p ( 1 1 )係设有_可扳轉螺固件之棘輪圈(2 Q 1 )、一可卡 _棘輪圈(2 Q 1)啸嫩位方向之卡料(2 ◦ 2 ),以及—調整卡 掣件(2 0 2 )以改變復位方向之調碰(2 ◦ 3 ),(其中該棘輪扳動部 (1 1 )之結構蘭棘輪扳手之f知結構,並非本發騎欲㈣之標的, ^ 諒此不再贅述); ,本發明手卫具之感測裝置係在手卫具本體⑴扳動部(⑴可與 卡掣件(2 0 2)相接觸卡抵之左右側内側壁面各埋設有一感測單元(工 2 ),該感辱本實施嶋為—_關,而當手卫具本體(1)之板 動部(11)扳轉螺固件時,該感測單元(i 2)係會承受扳轉螺固件之 反作用力’且該感測單元(i 2)在受到壓力時係會產生電壓、電流之^ •號變化,並以傳輸線(1 3 )將感測單元(i 2 )與設置於手工具本體(/) 上讀理單元(1 4 )相連接,而該處理單元(1 4 )則係再連接於一顯 示器(15)上’故可藉處理料(14)由感測單元(1 2)所產生之 訊號變化而計算出杻力值,並顯示於顯示器(15)上供使用者參考; 本發明在制上,當扳動部(! !)之卡掣件(2 ◦ 2 )位於如第一 圖所不之位置時,該卡擎件(2 〇 2)之左側係與板動部(11)之壁面 相抵靠而無退位空間,故卡掣件(2 Q 2)可卡抵住棘輪圈(2 ^之 藉匕可利用s亥手工具本體(1 )逆時鐘方向扳轉螺固件,此時該手 7 1269690 、工具本體(1)之棘輪圈(2 01)在扳轉螺固件時,係受板動1<11) -所提供卡抵固定之力道,因此該扳動部(11)將承受與棘輪圈(2 〇工) 相同力道之反作用力,而該扳動部(丄!)與卡科(2 〇 2 )相抵之壁 面則係埋設有感測單元(1 2),因此該感測單元(1 2)接受到卡掣件(2 〇 2)之壓力,並改變訊號令處理單元(14)得以計算出扳動時之扭力, 且本發明之扭力量測方式係直接對該扭力進行測量者,故準確度較習用方 式為佳;續觀之箄二圖,當以該調整鈕(2 〇 3)改變卡掣件(2 〇 2) 之位置時,則該扳手得以順時鐘方向扳轉螺固件,此時該卡掣件(2 〇 2 ) 之右側壁面埋設之感測單元(丄2)亦可透過壓力而改變訊號,並傳輸供 處理单το ( 1 4 )計算出扭力值,最後再顯示於顯示器(丨5 )上供使用 者參考。 請參閱第三圖所示,其係本發明手工具之感測裝置第二實施例,其中 主要元件與第-實__者,舰不再贅述,如下健不同結構教述之, 本發明之感測單元(! 2)亦可顧於單向棘輪扳手上,而_單元(工 2)之設置與顧方式亦同第-實施例,其係將該感測單以i 2)設置 於板動部(1 1)物件⑵2 )她#之_,令該手工且本 體⑴在板轉螺固件時,卡擎件(2〇2)受到棘輪圈(2〇ι)之反 作用力後可舰賴解元(12),赌供親單元(14)計算扭力之 訊號者。 請參閱第四圖所示,发将太表 係本發明手工具之感測裝置第三實施例,其中 如下僅就不同結構敘述之 主要元件與第-實施例相同者,综此不再資述, 8 1269690 …本發明之手工具本體(1 )其扳動部(;L i )之卡掣件(2 〇 2 )亦可與 調整鈕做結合,令使用者可直接由卡掣件(2 〇 2)調整棘輪圈(2 〇工) 之復位方向,而該感測單元(12)則埋設在扳動部(11)與卡掣件(2 0 2)相抵靠之兩底側之内壁,令該棘輪圈(2 〇 i)在扳轉螺固件時, 卡掣件(2 0 2 )所受之反作用力可對感測單元(工2 )城壓迫,而傳 輸訊號供處理單元(14)計算扭力值者。 續請參閱第五圖及第六_示,其係本發明手工具之感嗽置第四實 ►施例,其中主要元件與第—實關相同者,諸此不再贅述,如下僅就不同 結構敘述之’本發明之手工具本體⑴亦可實施為不具棘輪圈之開口板 手者,並在該扳動部(11)之扳動口(21 1)設置-與扳動口(2丄 1 )形狀姉應之U形從動件(2 ! 2 ),且在鶴部(11)與從動件(2 1 2)相抵靠之兩_壁面上難設有_單元(i 2),藉由上述之設置, 令該手工具本體⑴在扳之扳解(丨i )在扳轉_件時,從動件(2 1 2 )係將所受之力道傳導至扳動部(工i )兩侧壁上之感測單元(u ), K並透過處理單元(14)計算出扭力值者。 請參閱第七圖所示’其係本發明手工具之感測裝置第五實施例,立中 主要元件與第四實__者,誠不再贅述,如下僅就獨結構敛述之, _部(⑴亦可形成-梅花扳動部(i i)之雜,並在該板動口 (2 1 1 )設置一概呈圓形之從動件(2丄2 ),該從動件(2丄2 )外侧 周圍係-錢具有外徑轉之落差,耐断該處之扳解(i丄)之内 壁上則係埋設有―_單元(1 2 ),藉此,令財X具本體(i )在扳轉 9 1269690 .二件夺攸動件(2 1 2 )之落差處可堡迫感測單元(工2 ),並令處理 -早凡(14)可透過感測單元(i 2)而計算出扭力值者。 請參閱第八圖所示,其係本發明手工具之感測裝置第六實施例,其中 主要辑與第四實補_者,舰砰贅述,如下獨賴敛述之, 本發明亦可料1獅⑴歐軸(⑴辦祕元(i 2 ),令該_之鴻部(1丨)都具雜力制之效果,以方便使用者使 用。 由上所述者僅為用以解釋本發明之較佳實施例,並非企圖據以對本發 明做任何輸之_,如,凡祕收軸㈣财關本發明 之任何修飾或變更者,皆仍應包括在本發明意圖保護之範如,其中如該 扳動部係可實施為各種態樣,並不限定在棘輪扳動部、開口扳動部、梅花 扳動部者。 …綜上_ ’本發明打具之❹m置在輯輯、個實雜及成本 杜上,確實是完全符合錢上發展所需,且觸露之輯發明亦是具有 γ斤未有的鱗構造’所以其具有「新馳」應無疑慮,又本發明可較之 習知結構更具功效之增進,因此亦具有「進步性」,其完全符合我國專利法 有關务明專利之申請要件的規定,乃依法提起專利申請,並敬請鈞局早 曰審查,並給予肯定。 1269690 •【圖式簡單說明】 第一、二圖係本發明手工具之感測裝置剖視示意圖。 第三圖係本發明第二實施例剖視示意圖。 第四圖係本發明第三實施例剖視示意圖。 第五圖係本發明第四實施例外觀透視圖。 第六圖係本發明第四實施例外觀立體圖。 第七圖係本發明第五實施例外觀透視圖。 第八圖係本發明第六實施例外觀立體圖。 【主要元件符號說明】 1-手工具本體 11-扳動部 1 3-傳輸線 1 5-顯示器 202——卡掣件 211——扳動口 12-感測單元 14-處理單元 201——棘輪圈 203——調整鈕 φ 212——從動件 11According to the current DJY atmosphere in the home, the domestic hand tools development system has been quite mature and stable, regardless of product type or structural quality, and won the domestic and international - affirmation, hand tool production industry In the past few years, in order to make the general use of the FA, it is easier to get started, and various hand tools that are easy to operate or with humanized functions are also being asked. The wrench type hand tool can be matched with the screw firmware, applying the principle of the county force, and combining the two objects, and the objects can be combined and disassembled after being combined, so that the different parts of the A can be different, and the torque tool is operated. The biggest _ is that the makers are not easy to handle (4) the tightness of the firmware, the hand of the master has a twisting power, or although the device is spared, but it does not have enough recording, the transfer system (4) The twisting force and tightness of the parts made by Lin Lin, so the user can not confirm that the tightness of the mystery is the middle of the section, the user is informed that the degree of the degree is τ, only (10) itself (four) Six senses _ screw firmware is tight, and _ the state of the state, the shirt of the age of the wire, and loose, and vice versa _ pieces of tightness over the ride, then _ pieces of equipment, object damage deformation, and even can not The condition of the object is especially on precision equipment or small instruments. Because its structure is easily damaged by inadvertent force application, it requires more precision than the general object. Introduced a hand tool with a torsion force measurement function, such as: a Lidi 3 9 7 G15 5遽 'The system is a wrench tool, the wrench guard is in the grip part 1269690 one and the trigger is equipped with two Ying Wei, He Weiqian is connected to the wrench woman (four) set the calculation unit - and On the age device, the magnitude of the torque value can be calculated and displayed on the display for the test: ",,: and the above-mentioned twist strength measuring structure, the sensor (ie, the strain gauge) is not set directly. The torque value is set on the grip. Therefore, the calculated torque measurement is an estimated data. It is not directly measured on the torque value. The accuracy of the structure is still insufficient. Only the energy is used to measure the torque value for the user's reference, and the torque value cannot be accurately displayed. Therefore, on the whole, it can be said that it is quite unpractical. SUMMARY OF THE INVENTION The main object of the present invention is to provide a sensory wearer that can improve the torque value of an indirect method by using a hand tool having a twist strength measuring structure. Not accurate enough to be missing. In order to achieve the foregoing object, the present invention utilizes a sensing unit in the inner side wall of the hand-moving body of the hand tool body to embed the sensing unit and is connected to the processing unit, and the head sensing unit changes the output when subjected to pressure. The signal, thereby, when the hand tool body is turned to rotate the screw, the sensing unit is subjected to the reaction force of the turning screw, so the processing unit can correctly calculate the torque value through the sensing unit, and Displayed on the display for the user's reference; • As can be seen from the above, the sensing unit of the present invention is disposed in the pulling portion and directly receives the stress when the screw is turned, so the measured torque value will be higher than in the past. The data converted by the indirect deformation of the strain gauge (ie, the tension gauge) is more accurate. Therefore, the present invention is a practical and progressive invention, and is worthy of promotion by the industry and publicized to the public. [Embodiment] The present invention relates to a sensing device for a hand tool, please refer to the first figure and the second figure 6 1269690. The hand tool of the hand tool mainly includes The main body (1) of the hand tool __ body (1) forms a pulling portion (1) at least at the end, and the pulling portion (worker) is a ratcheting portion (1 1 ) in the present example, wherein · One move. p ( 1 1 ) is equipped with a ratchet ring (2 Q 1 ) that can be turned over, a card _ ratchet ring (2 Q 1), a card (2 ◦ 2) in the direction of the tender position, and - adjustment The clamping member (2 0 2 ) is used to change the direction of the resetting of the resetting direction (2 ◦ 3 ), wherein the structure of the ratcheting portion (1 1 ) is not the target of the riding ratchet (4). , ^ Forgive me for not repeating);; The sensing device of the handguard of the present invention is on the left side inner side wall surface of the hand guard body (1) pulling part ((1) can be brought into contact with the card piece (2 0 2) Each of the sensing units (work 2) is embedded, and the insulting embodiment is -_off, and the sensing unit (i) is used when the plate moving portion (11) of the handguard body (1) turns the screw. 2) The system will be subjected to the reaction force of the turning screw's and the sensing unit (i 2) will generate voltage and current changes when subjected to pressure, and the sensing unit will be transmitted by the transmission line (1 3 ) ( i 2) is connected to the processing unit (1 4 ) disposed on the hand tool body (/), and the processing unit (14) is reconnected to a display (15), so the processing material can be borrowed (14) By sensing The signal generated by the element (1 2) is changed to calculate the value of the force, and is displayed on the display (15) for the user's reference; the invention is in the process of making the clamping part (!!) ◦ 2) When it is in the position as shown in the first figure, the left side of the card (2 〇 2) abuts against the wall surface of the plate moving part (11) without a retreat space, so the clamp (2 Q 2 ) The card can be pressed against the ratchet ring (2 ^ can borrow the s-hand tool body (1) to turn the screw in the counterclockwise direction. At this time, the hand 7 1269690, the ratchet ring of the tool body (1) (2 01) When the screw is turned, it is subjected to the plate 1 <11) - the force provided by the card is fixed, so the trigger portion (11) will withstand the reaction force of the same force as the ratchet ring (2), and the The sensing unit (12) is embedded in the wall opposite to the card (丄!) and the card (2 〇 2), so the sensing unit (12) receives the card (2 〇 2) Pressure, and changing the signal, the processing unit (14) can calculate the torque when the wrench is pulled, and the twisting force measuring method of the present invention directly measures the torque, so the accuracy The conventional method is better; in the second picture of the continuation, when the adjustment button (2 〇 3) is used to change the position of the clamping member (2 〇 2), the wrench can rotate the screw in the clockwise direction. The sensing unit (丄2) embedded in the right side wall of the card member (2 〇 2) can also change the signal through the pressure and transmit the torque value for processing the single το (1 4 ), and finally display it on the display (丨5) For reference by the user. Please refer to the third figure, which is the second embodiment of the sensing device of the hand tool of the present invention, wherein the main components and the first-real __, the ship will not be described again, the following is different Structural Description, the sensing unit of the present invention (! 2) It can also be considered on the one-way ratchet wrench, and the setting and the method of the _ unit (work 2) are also the same as the first embodiment, which is to set the sensing list to the plate moving part (1 1). ) Object (2) 2) Her #之_, so that the manual and body (1) when the plate is turned into the screw, the card (2〇2) is subjected to the reaction of the ratchet ring (2〇ι), then the ship can solve the problem (12), bet The signal for calculating the torque of the parent unit (14). Referring to the fourth embodiment, the third embodiment of the sensing device of the hand tool of the present invention is shown in the following figure, wherein only the main components of the different structures are the same as those of the first embodiment, and the above description is omitted. , 8 1269690 ... The hand tool body (1) of the hand tool (1) of the present invention can also be combined with the adjusting button so that the user can directly access the card member (2) 〇 2) Adjust the reset direction of the ratchet ring (2), and the sensing unit (12) is embedded in the inner wall of the bottom side of the pulling portion (11) and the latching member (202). When the ratchet ring (2 〇i) is turned over, the reaction force of the clamp member (2 0 2 ) can be pressed against the sensing unit (the work unit 2), and the transmission signal is supplied to the processing unit (14). Calculate the torque value. Continuation, please refer to the fifth and sixth figures, which are the fourth embodiment of the sensor tool of the present invention, wherein the main components are the same as the first one, which will not be described again, and the following are only different. The structure of the hand tool body (1) of the present invention can also be implemented as an open hand without a ratchet ring, and is provided at the triggering opening (21 1) of the pulling portion (11) - and the pulling port (2丄) 1) The shape of the U-shaped follower (2! 2), and it is difficult to provide the _ unit (i 2) on the two walls of the crane (11) and the follower (2 1 2). With the above arrangement, when the hand tool body (1) is pulled (丨i) to pull the member, the follower (2 1 2) transmits the force channel to the trigger portion. The sensing unit (u), K on both side walls, and the torque value calculated by the processing unit (14). Please refer to the fifth embodiment of the sensing device of the hand tool of the present invention, the main components of the center and the fourth real __, which will not be described again, as follows, only the unique structure is condensed, _ The part ((1) may also form a plum-pulling part (ii), and a substantially circular follower (2丄2) is provided at the plate opening (2 1 1 ), the follower (2丄) 2) The outer peripheral system - the money has a drop in the outer diameter, and the inner wall of the interrupting (i丄) is embedded with the "_ unit (1 2 ), thereby making the money X body (i ) Turning 9 1269690. The difference between the two pieces of the moving piece (2 1 2 ) is the forcing sensing unit (Work 2), and the processing - the early (14) permeable sensing unit (i 2) For the calculation of the torque value, please refer to the eighth embodiment, which is a sixth embodiment of the sensing device of the hand tool of the present invention, wherein the main series and the fourth actual supplement _, the ship description, the following is a separate statement The invention can also be used for the 1 lion (1) European axis ((1) to handle the secret element (i 2 ), so that the _ hong hong (1 丨) has the effect of the hybrid system for the convenience of the user. Only for explaining this issue The preferred embodiments of the present invention are not intended to be used in any way. For example, any modification or alteration of the present invention should still be included in the intended protection of the present invention. If the triggering portion can be implemented in various aspects, it is not limited to the ratcheting portion, the opening triggering portion, and the plum blossoming portion. In summary, the present invention is set in the album. The complexity and cost are indeed in line with the development of the money, and the invention of the series is also a scale structure with γ kg. Therefore, it has no doubt that it has "new Chi", and the invention can be compared. The structure of the prior knowledge is more effective and therefore "progressive". It fully complies with the requirements of the application requirements of the patent law in China's Patent Law. It is a patent application in accordance with the law and is subject to review by the bureau. 1269690 • [Simple Description of the Drawings] The first and second drawings are schematic cross-sectional views of the sensing device of the hand tool of the present invention. The third drawing is a schematic cross-sectional view of the second embodiment of the present invention. Three embodiment schematic cross-sectional view 5 is an external perspective view of a fourth embodiment of the present invention. The sixth embodiment is an external perspective view of a fourth embodiment of the present invention. The seventh embodiment is a perspective view of the fifth embodiment of the present invention. Example of the appearance of the main body. [Main component symbol description] 1-hand tool body 11 - toggle part 1 - transmission line 1 - display 202 - card member 211 - trigger port 12 - sensing unit 14 - processing unit 201 - ratchet ring 203 - adjustment knob φ 212 - follower 11

Claims (1)

一一·— 一一〜—-----^一一 〜一 冰一^从一 一也一—一^, Hi一一·—一一~—-----^一一~一冰一^从一一一一一一, Hi 正替換 申請專利範圍: y f ’、之感’職置,其主要縣—手工具本體,該手工具本 體係至少一端形成一板動部,其中·· 該扳動部之内側壁面係設有至 該扳動部係設有一棘輪圈以及卡掣件 力值者。 少一個感測單元,該_單元難設置於鶴部供卡科抵靠之内側壁 面7該感測早兀在手工具本體扳動部扳轉螺固件時,感測單元係可受卡 掣件H Μ單元承受扳轉_件之應力,縣衫具本體上設置一 处單7G該處理單兀係與感測單元相連接,由感測單元之訊號計算出扭 2 . -種打具之感職置,其主要係為具本體,該手工具本 體係至少一端形成一扳動部,其中·· S扳動雜⑶有從動件,該扳動部之内側壁面係設有至少一個感測 私,該感測單元_設置於扳動部與從動件抵#之_壁面,令該感測 早7L在手卫具本體扳動部扳轉_件時’從動件射將應力料至感測單 元’感測單元承受扳轉_狀應力,並在打具本體上設置—處理單元, k處理單I係與感測單元相連接,域測單元之訊號計算出扭力值者。 3 .根據申請專利範圍第i項或第2項所述之手工具之感測裝置,其 中该感測單元件為壓電開關者。 4 .根據中請專利第i項或第2項所述之打具之制裝置,其 中該處理單元係連接有-顯示器,而可透過該顯示ϋ顯示扭力值者。 12The scope of the patent application is being replaced: yf ', sense' position, its main county - hand tool body, the hand tool at least one end of the system forms a plate moving part, wherein the inner side wall surface of the pulling part is provided to The triggering portion is provided with a ratchet ring and a clamping member. There is one less sensing unit, and the _ unit is difficult to be disposed on the inner side wall surface 7 of the crane for the card family. The sensing unit is capable of receiving the clamping element H when the hand tool body is turned by the screwing device. ΜThe unit is subjected to the stress of the turning piece. The single body of the county shirt is provided with a single 7G. The processing unit is connected with the sensing unit, and the signal of the sensing unit is used to calculate the twist 2 . The main body of the hand tool has a body, and at least one end of the hand tool forms a pulling portion, wherein the S-moving (3) has a follower, and the inner wall surface of the pulling portion is provided with at least one sensing private The sensing unit _ is disposed on the wall surface of the pulling portion and the driven member, so that the sensing is 7L early when the hand guard body is turned by the _ piece, the follower shoots the stress to the sense The measuring unit 'sensing unit is subjected to the _-stress, and is disposed on the punching body-processing unit, k processing single I system is connected with the sensing unit, and the signal of the domain measuring unit calculates the torque value. 3. The sensing device of the hand tool according to the item or the item 2, wherein the sensing unit is a piezoelectric switch. 4. A device for making a tool according to the above-mentioned item i or item 2, wherein the processing unit is connected to a display through which the torque value can be displayed. 12 12696901269690 211 1269690211 1269690 第五圖 2Ί1Fifth picture 2Ί1 12696901269690 12696901269690
TW94126293A 2005-08-03 2005-08-03 Sensing device of hand tool TWI269690B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI794448B (en) * 2019-01-02 2023-03-01 鴻海精密工業股份有限公司 Torsion and pressure detecting device and electric driver with the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI794448B (en) * 2019-01-02 2023-03-01 鴻海精密工業股份有限公司 Torsion and pressure detecting device and electric driver with the same

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