經濟部智慧財產局i工消費合作杜印製 426769 • A7 _B7____ 五、發明説明（i ) 「發明的詳細說明」 本發明係有關一種縫紉機之鬆線裝置’特別是有關一 種缝紉機之鬆線裝置，其係具有一藉作業者之操作而使布 推壓器上下動作的布推壓器上下動作裝置者。 「習知之技術」 該種具有一藉作業者之操作而使布推壓器上下動作之 布推壓器上下動作裝置的缝紉機上之鬆線裝置，係一種具 有以下之構造與作·用的裝置者。 將該習知技術之構造與作用藉由第6、7、8、9圊做說 明。 1係推壓棒，其係呈可上下自由動作的支持於設在缝 紉機框架（未示於圖）的金屬件2。而於推壓棒1之下端上固 定著推壓金屬件3,其上部則固定著一連結塊4。 5係推壓彈簧，係將其下端接觸於推壓棒1之上端面， 並藉一上端鎖入於缝紉機框架内的調節螺絲6，而使其呈 壓縮狀態，並對推壓棒1施加往下方的推壓力^ 7係鎖入於 調節螺絲6的螺帽》 8係當作推壓器上下動作裝置的提升連桿，其基部藉 一階級螺絲9而呈可自由搖動地支持於固定在縫紉機框架 的支持板（未示於圖）。10係提升板其上端藉轴11而呈可搖 動地支持於提升連桿8,而其下端係被彎折成u字狀，其 考折部之前端的接合部12’係相對於連結塊4之下端面的 被配置著。 ----------襄-------ΐτ------ii -- (請先W讀背面之注意Ϋ項再填寫本頁) 13係上推連祥，將其基礎部藉一階級螺絲14而呈可自Printed by the Intellectual Property and Consumer Affairs Bureau of the Intellectual Property Bureau of the Ministry of Economic Affairs, printed 426769 • A7 _B7____ 5. Description of the Invention (i) "Detailed Description of the Invention" The present invention relates to a thread release device of a sewing machine, especially to a thread release device of a sewing machine. The utility model is provided with a cloth pusher up-and-down operation device which moves the cloth pusher up and down by the operation of an operator. "Known technology" A thread release device on a sewing machine having a cloth pusher up and down operation mechanism by an operator's operation, which is a device having the following structure and function: By. The structure and function of the conventional technique will be explained by the sixth, seventh, eighth, and ninth aspects. 1 is a push rod, which is a metal piece 2 supported by a sewing machine frame (not shown) that can move up and down freely. A pressing metal piece 3 is fixed on the lower end of the pressing rod 1, and a connecting block 4 is fixed on the upper part. The 5 series pressing spring contacts its lower end to the upper end surface of the pressing rod 1 and locks the adjusting screw 6 in the sewing machine frame with an upper end to make it compressed. The lower pressing force ^ 7 is the nut locked to the adjusting screw 6 "8 is the lifting link for the up and down movement device of the pusher, and the base is supported by the first-grade screw 9 to be freely swingable and fixed to the sewing machine Support plate for the frame (not shown). The upper end of the 10-series lifting plate is swingably supported by the lifting link 8 by the shaft 11, and the lower end is bent into a U-shape. The joint 12 'at the front end of the test folding portion is relative to the connecting block 4. The lower end surface is arranged. ---------- xiang ------- ΐτ ------ ii-(please read the note on the back before filling this page) Lend the base part by a class of screws 14
經濟部智蒹財產局員工消費合作社印製Printed by the Employees' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs
卜 AT B7 五、發明説明（2 ) 由搖動地支持於缝紉機框架上，其另一端係藉連結棒15而 连結於提升連桿8 ’且另一端係藉連結桿16連結於當作推 壓器上下動作裝置的一藉作業者操作開關而動作的提升推 壓器磁鐵’或是一藉作業者操作而動作的升降裝置等。 17係當作消除上線張力裝置的鬆線板，其基部係藉階 級螺絲18呈可自由搖動地支持於固定在缝紉機框架的支持 板（未示於圖）。並於該鬆線板17上，設置著於上端向提升 連桿8的上部右端肩8a突出的接合部19，及一於下端上具 有傾斜凸輪面20a的凸輪部20，及一以鬆·喪階級螺絲9的階 級螺紋18為中心的圓弧形狀的凹溝17a。 該凸輪部20係於鬆線板17搖動時，藉使傾斜凸輪面2〇a 推壓後述的線調節器之鬆線插銷21，以消除因線調節器而 賦與對上線的張力。 23係支持於缝紉機框架的鋼線套管，其内部的鋼線24 之一端係連結於前述鬆線板17，而另一端係連結於藉切斷 線信號而動作的磁鐵。 由第7圈說明線調節器的構成。 41係具有為眾所知之構造的線調節器，該線調節器轴 42的基部之螺絲43係被鎖入於缝紉機的框架44，並藉螺帽 45予以固定著。於線調節器軸42之右端上，形成著凹溝47 〇 50係推歷板，鬆嵌於在轴心形成貫穿空間部的線調節 器轴42，且中央之推壓部50a係鬆嵌於凹溝47 » 51係調節 旋鈕，其係被鎖入於螺絲46，以壓縮圓錐彈簧52，並藉推 本紙張尺度適用中國固家標準（CNS > A4说格（210X297公釐） ----------^------t-------^ "- (請先《讀背面之注意事項再填寫本頁) 4 2 6 7 6 9 A7 ____B7_ 五、發明説明（3 ) 壓板50使其壓接於線調節盤48、49。 (請先閱讀背面之注意事項再填窝本頁) 鬆線插銷21係鬆嵌於線調節器軸42之前述空間部，其 右端係相對於推壓板50之推壓部50a，左端係相對於前述 之鬆線板17之凸輪面20 » 第9圖之a係在待機狀態下，並從該狀態開始，為由推 壓金屬片之下面推出布，使磁鐵或升降裝置動作，則使連 結桿16被推向上方，並使上推連桿13向反時針方向搖動， 依此藉連桿棒15而使提升連桿8如第9圖之b圏的向順時針 方向搖動。 藉該提升連桿8的搖動，使提升板10被向上方提升， 並使該接合部12接合於連結塊4的上升，而使推壓棒1成為 在上升的位置，且推壓金屬片3也上升，同時使提升連桿8 之右端面8a將鬆線板17之接合部19如第9圖之1?圖的推向右 方，且鬆線板17係向順時針方向搖動。 經濟部智慧財產局員工消費合作社印製 並藉該鬆線板Π的搖動，而如從第7圖之狀態至第8圓 ，使鬆線插銷21藉凸輪面20a的被推向右方，依此，使推 壓板50之推壓部50a被推向右方，並解除由圓錐彈簧52向 線調節盤48之推壓力，且解除由線調節器賦與對上線的張 力。 因此，從推壓金屬片3之下面推拉出布時，因解除了 賦與上線的張力，故可容易地將布從推壓金屬片3之下面 拉出。 「發明所要解決的課題」 但是，於該習知的鬆線裝置上，在每次升降裝置或磁 本紙張尺度適用中國國家梯準（CNS )八4規<格（210X2.97公釐） 經濟部智慧財產局貝工消費合作社印製 '4 267 6 9 a? B7 五、發明説明u ) 鐵等的推壓器上下動作裝置動作時，因經常使由線調節器 賦與對上線的張力被解除，故會產生以下的問題。 例如，於縫紉機的缝製過程中，連續的於有角邊的布 形成缝口的缝製過程，或在縫製途中改變縫鲂機送布方向 ，而使布以針為中心做稍微的旋轉，並形成連續的缝口的 縫製過程上》 於該等的縫製過程上，在角邊或送布方向的變換點上 ，係在針插入布的_狀態下使缝紉機停止，且讓推壓器上下 動作裝置動作，並使推壓金屬片3在上升位置，而有必要 做使布以針為中心做旋轉的作業》 於習知的鬆線裝置上，藉推壓器上下動作裝置的動作 ，因解除由線調節器賦與對上線的張力，故於旋轉該布時 ，使線的張力變得不安定。因此，如使推壓金屬月3在下 降位置形成下一個缝口時’則會造成使開始缝製的缝口線 沒拉緊，或產生於布下面發生線圈的現象。 因此，有使缝製品之商品價值降低的問題》 另外，藉具有該種鬆線裝置的縫紉機，在縫製厚布並 且具有厚層部之布時，如將該厚層部送入推壓金屬片3之 下’則作業者推動推壓器上下動作裝置並使推壓金屬片3 上升’以能使厚層布容易通過推壓金屬片3之下方》 此時也藉推壓器上下動作裝置的動作，而解除由線調 節器對上線的張力。 因此，於布之厚層部上使上線變成無張力，而使布之 厚層部上的線拉緊度不良，而有使缝製品之商品價值降低 本紙張尺度逋用中國國家標準（CNS ) A4規格（210X297公釐） (婧先聞讀背面之注意事項再填寫本貫) .装. 線 42876 9 at _ B7 五、發明説明（5 ) 的問題存在》 「為解決課題的方法」 為解決上述課題的申請專利範圍第丨項所記載的發明 上’係對具有角邊之布連續的形成縫口的縫製過程，或在 缝製途中改變缝紉機的送布方向，使布以針為中心的務微 做旋轉，以形成連續缝口的缝製過程上，使在角部或送布 方向的轉換點上確實的形成缝口，到提高縫製品之 商品償值等的效果^ ‘ / /¾ / 另外於該發明上，藉將切換舞#取切換，使即使在推 壓器上下動作裝置動作，上線張〔力也’不會被解除，故於布 上之厚層部的線拉緊能碟實的進行’而能得到提高缝製品 之商品價值等的效果。 而申請專利範圍第2項所記載的發明上之縫紉機鬆線 裝置，係於縫紉機上具有：一推壓棒，其係於下端支持著 布推壓金屬片者；一推壓器上下動作裝置，其係使推壓棒 能上下動作的連結於推壓棒者；一上線張力解除裝置，其 係藉推壓器上下動作裝置使推壓棒上升時或線斷裂時，解 除賦與對上線的張力者；其特徵是： 設置一切換裝置，係在藉推壓器上下動作裝置使推壓 棒上升時’能將由上線張力解除裝置的上線張力解除切換 成有效或無效者。 依此在該發明上，係經常藉推壓器上下動作裝置，在 每次切斷線時，可經常解除賦與對上線的張力，而可確實 的進行切斷線，同時如藉推壓器上下動作裝置使布推壓棒 本纸張尺度逡用中國國家標率（CNS ) A4规格（2丨0X297公釐） I—--------裝-- _ ~ (請先閲讀背面之注意事項再填寫本頁) 、tx 線 經濟部智慧財產局負工消費合作社印製 A7 B7 426769 五、發明説明（6 ) 上至上升位置，則使上線張力被解除，而可以通常狀態進 行布的縫製。 另外，藉將切換裝置做切換，在每次切斷線時，可經 常解除賦與對上線的張力，而可確實的進行切斷線，同時 即使推壓器上下動作裝置動作也不會使上線張力被解除。 「發明的實施形態」 以下對有關該發明的實施形態一面參照圖面一面的做 說明。 _ 顯示於該第1圖與第2圖的實施例，係將切換裝置藉電 氣裝置的進行者。 與習知機構的構成相同，有關具有作用之零件係附上 與習知機構相同的零件編號，並省略與該等相同零件編號 之構成的說明，而以不同構成為中心的做說明。 25係當作上線張力解除裝置的鬆線電磁閥，其柱塞26 與鬆線板17係藉連桿27的連結著。 28係上推開關其係被固定於缝紉機的框架，藉隨著推 壓棒1上升的連結塊4,而產生上推信號。 第2圖係控制第1圖之鬆線電磁閥25的電路圖，29係一 種切換開關，其係當作作業者可任意做切換操作的切換裝 置者，28係從前述之上推開關來的上推信號，30係切斷線 信號，藉未示於圖的自動切斷線用電磁閥的柱塞作用而產 生。 31係「和」電路’ 32係「或」電珞’ 33係電磁閥霉動 裝置，25係當作上線張力解除裝置的前述鬆線電域閥’Vso1 本紙張尺度適用中國國家標準{ CNS ) A4规格（210X297公釐） 1!------_---^------ΤΓ------^ (請先閎讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 經濟部智慧財產局員工消費合作社印製 4 267 6 9 a? _：_ Β7 五、發明説明（7 ) 係電磁閥驅動用電源。 該電路係構成在「或」電路32之輸出成為Η時透過電 磁閥堪動裝置33，使鬆線信號向鬆線電磁閥25輸出，以騍 動鬆線電磁閥25 » 接著’說明顯示於該第1圖、第2囷的實施例之作用。 首先，在無缝製薄布的一般布時，或在縫布角等的縫 口途中無對布做旋轉的缝製過程時，則第2圖之切換開關29 為開，且其向「和_」電路31之輸入端子為η。 於該狀態上’推壓棒1係位於下降位置，且因切斷線 信號也未被輸入，故「和」電路31之輸入端子係成為Η、 L’其輸出端子為L’另外，因「或」電路32之檢出端子 為L、L，故從「或」電路32來的輸出信號為L，所以鬆線 電磁閥25係不動作。 從該狀態，驅動縫紉機將布縫合，且在結束該縫合並 產生切斷線信號時，則「或」電路32之輸出端子之一方成 為Η、從「或」電路32產生輸出信號並藉電磁閥驅動裝置 33，使第1圊之鬆線電磁閥25動作。 藉該鬆線電磁閥25之動作，使第1圖之柱塞26被拉向 右方’並藉連桿27使鬆線板17以階級螺絲18為中心的向順 時針方向搖動，且藉其凸輪面20推壓鬆線插銷21，如第8 圈所示，解除藉線調節器所賦舆之上線張力》 並且，切斷線完成後，切斷切斷線信號，使「或」電 路32之輸入端子之一方成為L，且從「或」電路32來的輪 出信號成為L，而使鬆線電磁閥變成不動作，如第7圖再 本紙張尺度逋用肀國困家標準（Α4规格（21〇><297公釐） 10 ---------_---餐-------#------0 (請先聞讀背面之注意ί項再填寫本頁) 42R7 6 9 at B7 五、發明説明（8 ) 度賦與藉線調節器之上線張力。 另外，上記推壓棒1位於下降位置，且切斷線信號也 未被輸入的狀態下，駆動縫紉機以縫合布，且該縫合結束 ’使第1圖所示當作推壓器上下動作裝置的連結桿16，係 藉作業者之操作或電氣裝置而被推向上方，則使上推連桿 13以階級螺絲14為中心的向逆時針方向搖動，該搖動係藉 連結棒15使提升連桿8向順時針方向搖動，並使提升板1〇 上升，且使該接合部12接合於連結境4的下端面.，並使推 磨棒1上升。如使推壓棒1上升則連結塊4之上端面，係推 壓上推開關28而產生上推信號。 如產生該上推信號’則第2圖之「和」電路31之輸入 端子成為H、H’而「或」電路32之輸入端子之一方成為 Η ’且與前述相同的從「或」電路32產生η之輸出信號， 並藉電磁閥驅動裝置33使第1圖之鬆線電磁閥動作。 並藉該鬆線電磁閥25之動作，使第1圖之柱塞26被拉 向右方，並藉連桿27使鬆線板17以階級螺絲18為中心的向 順時針方向搖動’且藉其凸輪面20推壓鬆線插銷21，以解 除藉線調節器所賦與上線張力。 從上述狀態，如藉推壓器上下動作裝置的上推連結桿 16被解除，則推壓棒1係藉推壓彈簧5的彈性力被推向下方 而下降。 如推壓棒1下降’則首先從上推開關28來的信號變成 沒有’並使第2圖之「和」電路31之輸入端子成為h、L， 而「或」電路32之輪入端子之一方成為l，因從「或」電 本紙張尺度適用中國國家揉準（CNS ) A4规格（2IOX297公釐） --------^---¾.-- (請先閎請背面之注意事項再填寫本頁) 訂 經濟部智慧財產局貝工消費合作社印製 11 經濟部智慧財產局員工消費合作社印製 4 2 6 7 6 9 at _B7__ 五、發明説明（9 ) 路32來的輸出信號變成沒有，故使鬆線電磁閥25不動作， 而再度賦與藉線調節器的上線張力。 另外，如使推壓棒1下降，則藉連結塊之下端面將拉 升板10推向下方，並使提升連桿8以階級螺絲9為中心向逆 時針方向搖動，且依此，使連結棒15、上推連桿13及連結 桿16等分別的向與前述相反方向的移動及搖動》 接著，改變缝紉機之送布方向*且在旋轉布並形成缝 口的缝製過程，或缝製有厚層部等的布時，將第2圖之切Bu AT B7 V. Description of the invention (2) It is supported on the sewing machine frame by shaking, the other end is connected to the lifting link 8 'by the connecting rod 15 and the other end is connected by the connecting rod 16 as a pushing A lifting pusher magnet, which is operated by an operator to operate a switch, of an elevator up-and-down operation device, or a lifting device that is operated by an operator, and the like. The 17 series is used as a loosening plate for the upper thread tension relief device, and its base is supported by a stepping screw 18 on a support plate (not shown) fixed to the sewing machine frame to be freely shaken. A joint portion 19 protruding from the upper end toward the upper right shoulder 8a of the lift link 8 and a cam portion 20 having an inclined cam surface 20a on the lower end are provided on the wire release plate 17, and An arc-shaped groove 17 a centered on the step screw 18 of the step screw 9. The cam portion 20 is connected to the thread release pin 17 of the thread adjuster to be described later by the inclined cam surface 20a when the thread release plate 17 is swung, so as to eliminate the tension applied to the upper thread by the thread adjuster. 23 is a steel wire sleeve supported by a sewing machine frame. One end of the steel wire 24 is connected to the aforementioned loose wire plate 17, and the other end is connected to a magnet that operates by cutting a thread signal. The structure of the thread adjuster will be described in the seventh circle. 41 is a thread adjuster having a well-known structure. The screw 43 at the base of the thread adjuster shaft 42 is locked to the frame 44 of the sewing machine and fixed by a nut 45. On the right end of the thread adjuster shaft 42 is formed a groove 47 〇50 series calendar plate, which is loosely fitted to the thread adjuster shaft 42 forming a through space portion at the axis center, and the central pressing portion 50a is loosely fitted to The groove 47 »51 series adjustment knob is locked into the screw 46 to compress the conical spring 52, and the paper size applies the Chinese solid standard (CNS > A4 said grid (210X297 mm) --- ------- ^ ------ t ------- ^ "-(Please read "Notes on the back before filling this page") 4 2 6 7 6 9 A7 ____B7_ V. Description of the invention (3) The pressure plate 50 is crimped to the thread adjustment disks 48 and 49. (Please read the precautions on the back before filling this page) The thread release pin 21 is loosely fitted in the aforementioned space portion of the thread adjuster shaft 42 The right end is opposite to the pressing portion 50a of the pressing plate 50, and the left end is opposite to the cam surface 20 of the aforementioned loose wire plate 17 »a of FIG. 9 is in the standby state, and from this state, it is pushed by Push the cloth under the metal sheet to make the magnet or the lifting device move, so that the connecting rod 16 is pushed upward, and the push-up link 13 is swung counterclockwise, and the link rod 15 is used to make it. The lifting link 8 swings clockwise as shown by b 圏 in Fig. 9. By the swing of the lifting link 8, the lifting plate 10 is lifted upward, and the joint portion 12 is engaged with the rising of the connecting block 4, The push rod 1 is brought to the raised position, and the push metal piece 3 is also raised. At the same time, the right end surface 8a of the lift link 8 pushes the joint portion 19 of the loose wire plate 17 as shown in Figure 1 to Figure 9 To the right, and the loosening plate 17 is shaken clockwise. It is printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economy and borrows the loosening plate Π, and from the state of Fig. 7 to the 8th circle, so that The loosening bolt 21 is pushed to the right by the cam surface 20a, and accordingly, the pushing portion 50a of the pushing plate 50 is pushed to the right, and the pressing force from the cone spring 52 to the wire adjusting disk 48 is released, and released. The tension is applied to the upper thread by the thread adjuster. Therefore, when the cloth is pushed and pulled from below the pressing metal sheet 3, the tension applied to the upper thread is released, so the cloth can be easily pulled from below the pressing metal sheet 3. "Problems to be Solved by the Invention" However, in the conventional slackening device, the This paper size is applicable to China National Standards of Standards (CNS) Rule 8 < Grid (210X2.97 mm) Printed by the Shelley Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs' 4 267 6 9 a? B7 V. Description of invention u) Iron When the up and down operation device of the pusher and the like are operated, the tension applied to the upper thread by the thread regulator is often released, so the following problems occur. For example, during the sewing process of the sewing machine, the continuous sewing process of forming a seam on the corner edge of the cloth, or changing the feeding direction of the sewing machine during sewing, and making the cloth slightly rotate around the needle, In the sewing process of forming a continuous seam, in the sewing process of this kind, at the corner edge or the point of change in the feeding direction, the sewing machine is stopped when the needle is inserted into the cloth, and the pusher is moved up and down. The action device moves and pushes the metal piece 3 in the raised position, so it is necessary to do the work of rotating the cloth around the needle. On the conventional slackening device, the action of the up and down action device by the pusher, because Since the tension applied to the upper thread by the thread regulator is released, the tension of the thread becomes unstable when the cloth is rotated. Therefore, if the press metal 3 is formed at the lowered position to form the next slit, the phenomenon that the stitch line at the beginning of sewing is not tightened or a loop occurs under the cloth is caused. Therefore, there is a problem that the product value of the sewn product is reduced. In addition, when sewing a thick cloth and a cloth having a thick layer portion by using a sewing machine having such a thread loosening device, the thick layer portion is fed into a pressing metal sheet. Below 3 ', the operator pushes the up and down movement device of the pusher and raises the pressing metal piece 3' so that the thick layer of cloth can easily pass under the metal piece 3 "At this time, the up and down movement device of the pusher is also used. Action to release the tension on the upper thread by the thread regulator. Therefore, the upper thread on the thick layer of the cloth becomes tension-free, the thread tension on the thick layer of the cloth is poor, and the product value of the sewing product is reduced. This paper uses the Chinese National Standard (CNS) A4 specifications (210X297 mm) (Jing first read the notes on the back and then fill in the original). Equipment. Line 42876 9 at _ B7 V. Existing problems in the description of the invention (5) "Methods for solving problems" To solve The invention described in the scope of patent application No. 丨 of the above subject is a process of continuously forming a seam on a cloth with corner edges, or changing the feeding direction of the sewing machine during sewing, so that the cloth is centered on the needle Be sure to do the rotation to form a continuous seam. In the sewing process, the seam is reliably formed at the corner or the direction of the feed direction, and the effect of improving the product value of the sewn products is achieved. ^ '/ / ¾ / In addition, according to the invention, by switching the switch dance # to take the switch, even if the pusher moves up and down the device, the upper thread will not be released, so the thread on the thick layer of the cloth can be tightened. Real progress' and can be improved sewing The effect of the value of the goods and the like. The sewing machine thread release device of the invention described in the patent application No. 2 is attached to the sewing machine: a push rod, which is supported by a cloth pressing metal sheet at the lower end; a pusher up and down device, It is connected to the pusher to enable the pusher to move up and down; a thread tension release device is used to release the tension on the upper thread when the pusher is raised or the thread is broken by the pusher up and down device. It is characterized in that: a switching device is provided, and when the pressing rod is raised by the up-and-down operation device of the pusher, the upper-line tension release from the upper-line tension release device can be switched to an effective or ineffective one. According to this invention, the up and down movement device is often borrowed by the pusher, and each time the thread is cut, the tension on the upper thread can be released frequently, and the thread can be cut reliably. The up-and-down action device makes the cloth push the bar. The paper size uses the Chinese National Standard (CNS) A4 specification (2 丨 0X297 mm) I —-------- installation-_ ~ (Please read the back first (Please note this page and fill in this page again), printed by the tx line Ministry of Economic Affairs, Intellectual Property Bureau, Consumer Work Cooperative, A7 B7 426769 V. Description of the invention (6) When the position is raised, the tension on the line is released, and the cloth can be distributed in the normal state. Sewing. In addition, by switching the switching device, each time the thread is cut, the tension applied to the upper thread can be often released, and the thread can be cut reliably. At the same time, even if the pusher moves up and down the device will not cause the upper thread The tension is released. "Embodiment of Invention" The following describes the embodiment of the invention with reference to the drawings. _ The embodiment shown in Figures 1 and 2 is the person who borrowed the switching device from the electric device. Similar to the structure of the conventional mechanism, the parts with functions are attached with the same component numbers as the conventional mechanism, and the description of the components with the same component numbers is omitted, and different components are mainly explained. The 25-series solenoid valve serving as a thread tension release device has a plunger 26 and a thread release plate 17 connected by a connecting rod 27. The 28 series push-up switch is fixed to the frame of the sewing machine, and generates a push-up signal by the connection block 4 which is raised as the push rod 1 is pushed up. Fig. 2 is a circuit diagram for controlling the loose-line solenoid valve 25 of Fig. 1, 29 is a changeover switch, which is used as a switching device for an operator to perform a changeover operation arbitrarily, and 28 is an upper switch that pushes the switch from the foregoing. The push signal, 30 is a cut-off signal, which is generated by the plunger action of the solenoid valve for automatic cut-off line (not shown). 31 series "and" circuit '32 series "or" electric coupling '33 series solenoid valve mildew device, 25 series of the aforementioned loose wire electric field valve' Vso1 used as the upper thread tension release device This paper standard applies Chinese national standard {CNS) A4 specifications (210X297 mm) 1! ------_--- ^ ------ ΤΓ ------ ^ (Please read the notes on the back before filling this page) Ministry of Economy Printed by the Intellectual Property Bureau employee consumer cooperative. Printed by the Ministry of Economy ’s Intellectual Property Bureau employee consumer cooperative. 4 267 6 9 a? _: _ Β7 V. Description of the invention (7) It is the power supply for solenoid valve drive. This circuit is configured to pass the solenoid valve moving device 33 when the output of the OR circuit 32 becomes instantaneous, so that the loose wire signal is output to the loose wire solenoid valve 25 to move the loose wire solenoid valve 25 »Next, the description is displayed in the The effect of the embodiment shown in Fig. 1 and Fig. 2 (a). First, when making a general thin cloth seamlessly, or when there is no sewing process of rotating the cloth in the seam such as the corner of the cloth, the switch 29 in Fig. 2 is turned on, and its direction to "and The input terminal of the "_" circuit 31 is η. In this state, 'Pushing rod 1 is in the lowered position, and the cut-off signal is not input. Therefore, the input terminal of the "and" circuit 31 is Η, L', and its output terminal is L '. The detection terminals of the OR circuit 32 are L and L, so the output signal from the OR circuit 32 is L, so the loose solenoid valve 25 does not operate. From this state, the sewing machine is driven to sew the cloth, and when the stitching is completed and a cut-off signal is generated, one of the output terminals of the OR circuit 32 becomes Η, an output signal is generated from the OR circuit 32, and a solenoid valve is used. The drive device 33 operates the first Hamamatsu solenoid valve 25. By the action of the loose wire solenoid valve 25, the plunger 26 in the first figure is pulled to the right ', and by the connecting rod 27, the loose wire plate 17 is swung clockwise with the step screw 18 as the center, and by this The cam surface 20 pushes the thread release pin 21 and, as shown in the eighth circle, releases the upper thread tension imparted by the debit adjuster. Also, after the thread cutting is completed, the signal of the thread cutting is cut to make the OR circuit 32 One of the input terminals becomes L, and the revolving signal from the OR circuit 32 becomes L, so that the loose solenoid valve becomes inoperative. As shown in Fig. 7, the paper standard applies the national standard (Α4). Specifications (21〇 > < 297mm) 10 ---------_--- Meal ------- # ------ 0 (Please read the note on the back first Please fill in this page again.) 42R7 6 9 at B7 V. Description of the invention (8) The degree of tension is given to the thread tension on the borrow regulator. In addition, the above-mentioned push rod 1 is in the lowered position, and the cut-off signal is not input. In the state, the sewing machine is moved to sew the cloth, and the suturing is completed, so that the connecting rod 16 as the up and down operation device of the pusher shown in FIG. 1 is pushed to the operator's operation or electrical device. Side, the push-up link 13 is swung counterclockwise around the step screw 14 as a center, and the swing is made by the connecting rod 15 to swing the lift link 8 clockwise, and the lift plate 10 is raised, and The joint portion 12 is connected to the lower end surface of the connection environment 4 and raises the push grinding rod 1. If the push rod 1 is raised, the upper end surface of the connection block 4 pushes the push-up switch 28 to generate a push-up signal. If the push-up signal is generated, the input terminal of the AND circuit 31 of FIG. 2 becomes H, H ', and one of the input terminals of the OR circuit 32 becomes Η', and the same is performed from the OR circuit 32 as described above. The output signal of η is generated, and the loose-line solenoid valve of FIG. 1 is actuated by the solenoid valve driving device 33. The plunger 26 of FIG. 1 is pulled to the right by the action of the loose-line solenoid valve 25, and By using the connecting rod 27, the thread release plate 17 is pivoted clockwise around the step screw 18 and the cam surface 20 is pressed against the thread release pin 21 to release the upper thread tension imparted by the thread adjuster. From the above state If the push-up link 16 of the up and down action device of the pusher is released, the push rod 1 is The elastic force of the pressing spring 5 is pushed downward and lowered. If the pressing rod 1 is lowered ', the signal from the push-up switch 28 first becomes no' and the input terminal of the "sum" circuit 31 in Fig. 2 becomes h , L, and one of the round-in terminals of the "OR" circuit 32 becomes l, because the paper size of the "OR" book applies to the Chinese National Standard (CNS) A4 specification (2IOX297 mm) -------- ^ --- ¾ .-- (Please fill in the notes on the back before filling out this page.) Order Printed by Shelley Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economy 11 Printed by Employee Cooperative of Intellectual Property Bureau of the Ministry of Economy 4 2 6 7 6 9 at _B7__ V. Description of the Invention (9) The output signal from the circuit 32 is absent, so that the slackening solenoid valve 25 is not operated, and the upper thread tension of the borrowing regulator is given again. In addition, if the push rod 1 is lowered, the lower end surface of the connecting block is used to push the pull-up plate 10 downward, and the lifting link 8 is swung counterclockwise around the screw 9 as the center, and the connection is thereby made. The rod 15, the push-up link 13 and the connecting rod 16 are moved and shaken in the opposite direction to the above. "Next, change the feed direction of the sewing machine * and rotate the cloth to form a seam, or sew. If there is thick cloth, etc., cut the figure 2
換開關29關閉，並使向該「和」電路31之輸入端子成為L 〇 依此，如以下所做的說明，在使切斷線信號被輸入時 ，雖鬆線電磁閥會動作，但在推壓棒位於上升位置，並即 使從上推開關28產生上推信號，但鬆線電磁閥也不會動作 〇 於第2囷之切換開關29成為關閉的狀態上，推壓棒1係 位於下降位置，且因切斷線信號也沒被輸入，故「和」電 路31之輸入端子成為L、L，而其輸出端子為L，另外，因 「或j電路32之輸入端子係為L、L，故從「或」電路32 來的輸出信號變成L，鬆線電磁閥是不會動作。 從如此狀態，驅動缝紉機並將布縫合，且結束該缝合 後’如產生切斷線信號，則「或」電路32之輸入端子之一 方成為Η，且從「或」電路32產生的Η之輸出信號，並藉 電磁閥驅動裝置33使第1圖之鬆線電磁閥25動作。 依此’與前述相同，可解除藉線調節器的賦與上線張 本紙張尺度適用中國國家樣準（ CNS ) Α4规格（210X297公釐)" ~~ 一- ---------_---^------iT------0 (請先閲讀背面之注意事項再填寫本頁) 426769 Α7 Β7 經濟部智慧財產局員工消費合作社印製 五、發明説明（10 ) 力。 另外’如切斷線完成，則切斷切斷線信號，並且「或 」電路32之輸入端子夂一方成為L，使從「或」電路32來 的輸出信號成為L’而使鬆線電磁閥25變成不動作，並再 度賦與藉線調節器的上線張力。 另外此時，因第2圖之切換開關29為關的狀態，故從 切換開關29向「和」電路31之輸入端子經常成為因此 於推壓金屬片3之下方送入厚布之厚層部，則推壓棒丨上升 且從上推開關28產生上推信號，而即使「和」電路31之一 方的輸入端子成為Η，但「和」電路31之輸出端子被保持 於L’且因輸出端子不會成為η ’故鬆線電磁閥25不動作 ’並且不解除藉線調節器的賊與上線張力，而可確實的拉 緊布之角部或厚層部上的線。 第3圖、第4圖 '第5圊係說明第2的實施例，該實施例 係將切換裝置藉機械的裝置予以進行者。 於該實施例上也與習知的構成相同，有關具有作用之 零件係附上與習知機構相同的零件編號，並省略與該等相 同零件編號之構成的說明，而以不同構成為中心的做說明 〇 35係切換臂，於提升連桿8之背面上，呈可自由搖動 地藉轴36而被支持著，且其前端部形成著螺絲37 » 38係當 作切換裝置的箱形螺絲，係從提升連桿8之前面，藉一以 軸36為中心被形成於提升連桿8之圓孤狀凹溝39，而被鋇 入於切換臂35之螺絲37，並藉放鬆該箱形螺絲38，使其可 本紙張尺度適用中國國家橾準（CNS ) Α4说格（2ΙΟΧ297公釐） 13 I ,—-^---^------1Τ------0 (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消贫合作社印製 A7 ___B7 五、發明説明（U ) 移動至凹溝3 9之任意位置’同時在該移動位置上藉將箱形 螺絲38鎖緊而可固定於提升連桿8上。4〇係形成於鬆線板17 的接合端面’該接合端面係如第3圖所示，係構成僅使箱 形螺絲38被固定於凹溝39之下方時，才與箱形螺絲38接合 〇 該實施例係以上之構成，接著說明其作用。 首先’在無缝製薄布的一般布時，或無該變縫紉機送 布方向時，或在遂布角等的縫口途中無對布做旋轉的缝製 過程時’係如第3圖所示將箱形螺絲38固定於凹溝39之下 方。 依此，如以下所說明，在輸入切斷線信號時，則藉推 壓器上下動作裝置’使推壓棒1上升至上升位置時，分別 使·•線板17以階級螺絲18為中心的搖動，以解除藉線調節 器的賦與上線張力》 於第3圖之a的狀態上，推壓棒1係位於下降位置，且 因切斷線信號也沒被輸入，故箱形螺絲38與接合端面40係 在接合狀態。 從該狀態’驅動缝初機並將布縫合，且在該缝合結東 ’如產生切斷線信號，則鋼線24被拉向右方，如第3圖之c 所示，使鬆線板17以階級螺絲18為中心向與前述相反方向 的搖動，而再度賦舆藉線調節器的上線張力。 另外’從推壓棒1係位於下降位曼，且因切斷線信號 也沒被輸入的第3圖之a狀態下，驅動缝紉機並將布縫合， 且在該缝合結束’由推壓器上下動作裝置藉連結棒15而將 本紙張尺度逋用中國國家樣隼（CNS ) A4規格U10X297公ΚΠ " ~ ' 14 - -------；---^------ΐτ------,^ (請先Μ讀背面之注意事項再填寫本 426769 A7 B7 經濟部智慧財產局貝工消費合作社印製 五、發明説明（12 ) 提升連桿8向順時針方向搖動’並使提升板1〇上升而使推 壓棒1上升。 藉上述提升連桿8之向順時針方向搖動，使箱形螺絲38 接合於鬆線板17之接合端面40，且鬆線板17係如第3圖之b 所示’與提升連桿8之搖動一起的以階級螺絲18為争心的 連動，以解除藉線調節器的賦與上線張力。 更且，如解除藉推壓器上下動作裝置對連結棒15之拉 力，則各部會分別_向與前述相反方向的搖動或移動，使推 壓棒1成為位於下降位置，同時再度賦與上線張力。 接著，在缝製具有厚層部等之布時，或會改變縫紉機 之送布方向，且在缝布角等的缝口途中會對布做旋轉的缝 製過程時，放鬆位於第3圏之a的位置的箱形螺絲38,且如 第4圖所示向凹溝39之上方將切換臂35搖動並移動後，鎖 緊箱形螺絲3 8的予以固定。 依此，如以下所說明，在切斷線信號輸入時，藉磁鐵 等的動作而使鋼線24被拉向右方時，即使藉推壓器上下動 作裝置使推壓棒1位於上升位置，但也不會解除藉線調節 器的賦與上線張力 亦即是，如從第4圖之a圖狀態下產生切斷線信號，則 使鋼線24被拉向右方並使鬆線板Π如第4圈所示，以階級 螺絲18為中心的搖動，依此以解除藉線調節器的賦舆上線 張力。 而從鬆線板17在如第4圖之c圖的狀態下，完成切斷線 並使切斷線信號消失，則解除鋼線24之向右方的拉力，使 本纸張尺度逍用中國國家榇準（CNS ) A4規格（210X297公釐） 15 ------；---1--^-------1T------^ (請先聞讀背面之注意事項再填寫本頁) A7 B7 4犛 67 6 五、發明説明（13) 鬆線板17向逆時針方向搖動，並再度的賦與上線張力。 另外’從第4圖之a圖的狀態，藉推壓器上下動作裝置 使連結棒15被拉向右方，並雖使提升連桿8以階級螺絲18 為中心向順時針方向搖動，但因如第4圖之b圖所示，箱形 螺絲38與鬆線板17並不搖動，故不會解除藉線調節器的賦 與上線張力。 「發明的效果」 如以上所述，—於本發明上，經常在做切斷線時，係經 常解除賦與上線的張力，而可確實的進行切斷線，同時使 布推壓棒位於上升位置，則解除上線張力，而可進行通常 的布缝製。且即使藉推壓器上下動作裝置使推壓金屬片與 推壓棒上升’也不會解除上線張力，故在有改變缝紉機之 送布方向，或有旋轉布並形成縫口的缝製過程的布，可確 實的進行其送布方向之變換點的缝口，或於布之厚層部上 的線拉緊’而可得到提高缝製品之商品價值等的效果。 「围面的簡單說明」 第1圖係實施例的分解斜視圖。 第2圖係第1實施例的電路圖， 第3圖係第2實施例之部分正面圖，且說明各部動作的 圚。 第4圖係第2實施例之部分正面圖，且說明各部動作的 圖。 第5圖係第2實施例的部分分解斜視圖。 第6圖係習知之技術分解斜視圖。 本紙張尺度適用中國國家揉準（CNS )戌4说格（210X297公釐） 裝------訂------線 V. (請先M讀背面之注意^項再填寫本II) 經濟部智慧財產局貝工消费合作社印製 16The change-over switch 29 is turned off, and the input terminal to the "and" circuit 31 becomes L. Therefore, as described below, when the disconnection line signal is input, although the slack line solenoid valve will operate, The push rod is located in the up position, and even if a push-up signal is generated from the push-up switch 28, the slack solenoid valve does not operate. When the second switch 29 is turned off, the push rod 1 is in the lowered position. Position, and because the cut-off signal is not input, the input terminals of the AND circuit 31 are L and L, and the output terminals are L. In addition, the input terminals of the OR circuit 32 are L and L. Therefore, the output signal from the OR circuit 32 becomes L, and the loose solenoid valve will not operate. From this state, the sewing machine is driven and the cloth is stitched, and after the stitching is finished, 'if a cut-off signal is generated, one of the input terminals of the OR circuit 32 becomes Η, and the output of Η produced by the OR circuit 32 is Signal, and the solenoid valve driving device 33 shown in FIG. 1 is operated by the solenoid valve driving device 33. According to this, the same as the foregoing, the release of the borrow adjuster can be released. The paper size of this paper is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) " ~~ One--------- -_--- ^ ------ iT ------ 0 (Please read the notes on the back before filling out this page) 426769 Α7 Β7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs (10) Force. In addition, if the cut-off line is completed, the cut-off line signal is cut off, and one of the input terminals 「of the OR circuit 32 becomes L, so that the output signal from the OR circuit 32 becomes L ', so that the solenoid is loosened. 25 becomes inactive, and once again gives the thread tension of the borrow regulator. In addition, at this time, since the changeover switch 29 in FIG. 2 is in an off state, the input terminal from the changeover switch 29 to the “and” circuit 31 often becomes a thick layer portion that is fed into the thick cloth below the pressing metal piece 3 , The push rod 丨 rises and generates a push-up signal from the push-up switch 28, and even if one of the input terminals of the "and" circuit 31 becomes Η, the output terminal of the "and" circuit 31 is maintained at L 'and due to the output The terminal does not become η 'therefore the loose wire solenoid valve 25 does not operate' and does not release the thief of the lending regulator and the upper thread tension, but can securely tighten the thread in the corner or thick portion of the cloth. Fig. 3 and Fig. 4 are the fifth embodiment, and the second embodiment is performed by a switching device by a mechanical device. In this embodiment, it is also the same as the conventional structure. The parts with functions are attached with the same part numbers as the conventional mechanism, and the description of the structures with the same part numbers is omitted. Explanation: The 35-type switching arm is supported by the shaft 36 on the back of the lifting link 8 in a freely swinging manner, and a screw 37 is formed at the front end thereof. 38 is a box-shaped screw used as a switching device. From the front of the lifting link 8, a circular solitary groove 39 formed in the lifting link 8 with the shaft 36 as the center is inserted into the screw 37 of the switching arm 35, and the box screw is loosened by 38, making it possible to apply this paper size to China National Standards (CNS) Α4 grid (2ΙΟ × 297 mm) 13 I, --- ^ --- ^ ------ 1T ------ 0 (Please (Please read the notes on the back before filling this page) Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs' Employees' Poverty Alleviation Cooperative A7 ___B7 V. Description of Invention (U) Move to any position in the groove 3 9 'and borrow the box at this moving position The screw 38 is locked and can be fixed on the lifting link 8. The system 40 is formed on the joint end surface of the loose wire plate 17 as shown in FIG. 3. The system is configured to engage the box screw 38 only when the box screw 38 is fixed below the groove 39. This embodiment has the above configuration, and its operation will be described next. First of all, "when making a general thin cloth seamlessly, or without changing the feed direction of the sewing machine, or when there is no sewing process of rotating the cloth in the seam such as the corner of the cloth", as shown in Fig. 3 It is shown that the box screw 38 is fixed below the groove 39. Therefore, as described below, when the cut-off signal is input, when the push rod 1 is raised to the raised position by the up and down operation device of the pusher, the wire plate 17 is centered on the step screw 18 Shake to release the thread tension adjuster. In the state of a in Figure 3, the push rod 1 is in the lowered position, and because the cut-off signal is not input, the box screw 38 and The joining end surface 40 is in a joined state. From this state, 'drive the initial sewing machine and sew the cloth, and if a cutting line signal is generated at this sewing knot', the steel wire 24 is pulled to the right, as shown in c of FIG. 17 Rotate the screw 18 in the opposite direction from the center of the screw 18, and once again give the upper thread tension of the borrow adjuster. In addition, in the state of a in Fig. 3, where the push rod 1 is in the lowered position and the cut line signal is not input, the sewing machine is driven and the cloth is stitched, and the stitching is completed by the pusher. The action device uses the Chinese paper standard (CNS) A4 size U10X297 male KΠ " ~ '14--------; --- ^ ------ ΐτ ------, ^ (Please read the precautions on the back before filling in this booklet 426769 A7 B7 Printed by the Shellfish Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs V. Description of the invention (12) The lifting link 8 swings clockwise 'Move the lift plate 10 up to push the push rod 1. The box screw 38 is joined to the joint end surface 40 of the wire release plate 17 by swinging the lift link 8 clockwise, and the wire release plate 17 As shown in b of FIG. 3, the interlocking movement with the class screw 18 together with the swinging of the lifting link 8 is to release the tension of the borrow line adjuster and the upper thread tension. Moreover, if the borrow pusher is released, The pulling force of the up-and-down movement device on the connecting rod 15 will cause each part to shake or move in the opposite direction to the above, so that the pressing rod 1 becomes At the lowered position, the upper thread tension is re-applied at the same time. Next, when sewing a cloth with a thick layer, etc., the feeding direction of the sewing machine may be changed, and the cloth is rotated during the seam such as the corner of the cloth. During the sewing process, loosen the box-shaped screw 38 located at the position 3a to a, and swing the switching arm 35 above the groove 39 as shown in FIG. 4 and then lock the box-shaped screw 38. Therefore, as described below, when the wire 24 is pulled to the right by the action of a magnet or the like when the wire signal is input, even if the push rod 1 is positioned by the up and down movement device of the pusher, Raised position, but it will not release the thread tension from the borrow adjuster. That is, if a cut-off signal is generated from the state of a in Figure 4, the steel wire 24 will be pulled to the right and loosened. As shown in the fourth circle, the thread plate Π is shaken around the class screw 18, so as to release the upper thread tension of the borrow adjuster. The thread release plate 17 is in a state as shown in FIG. 4 (c). , When the cutting line is completed and the signal of the cutting line disappears, the rightward pulling force of the steel wire 24 is released, so that the paper Zhang Zhijiun used the Chinese National Standard (CNS) A4 specification (210X297 mm) 15 ------; --- 1-^ ------- 1T ------ ^ (please First read the precautions on the back and then fill out this page) A7 B7 4 牦 67 6 V. Description of the invention (13) The thread release plate 17 is swung counterclockwise, and the upper thread tension is given again. In the state of FIG. a, the connecting rod 15 is pulled to the right by the up-and-down action device of the pusher, and although the lifting link 8 is swung clockwise with the step screw 18 as the center, it is as shown in FIG. 4 b As shown, the box-shaped screw 38 and the thread release plate 17 do not shake, so the thread tension of the borrow adjuster is not released. "Effects of the Invention" As described above, in the present invention, when the cutting line is often cut, the tension applied to the upper line is often released, and the cutting line can be reliably performed, and the cloth pressing rod is raised. Position, the upper thread tension is released, and normal cloth sewing can be performed. And even if the pressing metal piece and the pressing rod are raised by the up and down movement device of the pusher, the upper thread tension will not be released. Therefore, there is a sewing process in which the cloth feeding direction of the sewing machine is changed, or the cloth is rotated to form a seam. The cloth can reliably perform the slit at the changing point of the feeding direction, or the thread can be tightened on the thick layer portion of the cloth, and the effect of improving the product value of the sewn product can be obtained. "Simple description of the enclosure" Fig. 1 is an exploded perspective view of the embodiment. Fig. 2 is a circuit diagram of the first embodiment, and Fig. 3 is a partial front view of the second embodiment, and illustrates the operation of each part. Fig. 4 is a partial front view of the second embodiment, and illustrates the operation of each part. Fig. 5 is a partially exploded perspective view of the second embodiment. FIG. 6 is an exploded perspective view of a conventional technique. The size of this paper is applicable to the Chinese National Standard (CNS) 戌 4 grid (210X297 mm). -------- Order ------ Line V. (Please read the note on the back ^ before filling in this II) Printed by Shelley Consumer Cooperatives, Bureau of Intellectual Property, Ministry of Economic Affairs16