123133〇 狄、發明說明： 【發明所屬之技術領域】 本發明有關於-種縫幼機之針棒連桿傳動裝置且 於一種可簡單組裝之縫幼機之針棒連桿傳動裳 【先前技術】 、 -般縫切機中均具備有針棒連桿傳動裝置， 新型實公平5_1〇 7 8 8號，其 丹揭不一種縫紉機之 置，如圖3所示，其主要係由針桿m、擺動, 結銷m三者所組成，其中，針桿1〇3頂端設 7導承構件130;擺動臂102前端設置有—對 臂121，擺臂121前端則形成為貫穿孔122 ; ^ 之中間段形成上、下各一凹下之平坦面141。. 銷1〇4穿過貫穿孔122並將導承構件13〇嵌合 1 4卜擺動臂1 〇 2之弧形轨跡之往復擺動便轉變 之上下往復運動，其中，角度之變化係由連結 穿孔1 2 2中轉動而被抵銷，而擺動臂丨〇 2之弧 桿1 〇3之直線軌跡間的橫向位移變化則由連結 坦面131往復滑動於導承構件13〇中而被抵銷 成方式中，由於連結銷104之平坦面141部分係 文了剪應力及扭曲應力，且不斷地滑動於導承構 中，因此損壞及磨耗之情形經常發生；此外，為 合在一起的擺動臂102、針桿1〇3和連結銷1〇4 運作，貫穿孔1 2 2、導承構件j 3 〇和平坦面j 4 j 加工精度要求非常高，致使提高了在製造、保養 326傳利說明書(補件)\93-〇2\TF9345〇2(高林) 5 持別是有關 曰本實用 桿驅動裝 1 0 2和連 有一 U字 又狀的擺 丨吉銷1 0 4 由將連結 平坦面 7針桿1 0 3 104在貫 軌跡與針 1 0 4之平 在此種構 集中地承 件1 30 使互相套 能精準地 等部分之 和維修方 1231330 面之困難度。 另一先前技術係為中華民國發明專利公告第 2 8 0 8 4 1 號，其揭示一種縫紉機之針桿驅動裝置，如圖4所示，其 主要係由擺動臂2 0 2、針桿2 0 3和導銷2 0 4三者所組成， 其中，擺動臂2 0 2前端設置有一長圓柱形的連結桿2 2 1 ; 針桿2 0 3頂端設置有一對呈叉狀的擺臂2 3 0，每一擺臂2 3 0 當中則形成有一抱持孔2 3 1 ;導銷2 0 4之中間部形成有一 導孔2 4 1貫穿於其中。藉由將導銷2 0 4穿過抱持孔2 3 1並 將連結桿2 2 1穿入於導孔2 4 1中，擺動臂2 0 2之弧形軌跡 之往復擺動轉變為針桿2 0 3之上下往復運動，其中，角度 之變化係由導銷2 0 4在抱持孔2 3 1中轉動而被抵銷，而擺 動臂2 0 2之弧形軌跡與針桿2 0 3之直線軌跡間的橫向位移 變化則由連結桿2 2 1在導孔2 41中往復滑動而被抵銷。在 此種構成方式中，由於連結桿2 2 1部分係集中地承受到剪 應力，且不斷地滑動於導孔2 41中，因此容易造成連結桿 2 2 1之彎曲或斷裂；此外，連結桿2 2 1和導孔2 4 1之加工 精度要求較高，致使相對地提高了製造、保養和維修方面 之困難度。 又一先前技術係為中華民國新型專利公告第 3 6 6 0 0 9 號，其揭示一種縫紉機之針棒連桿傳動裝置，如圖5所示， 其主要以擺動連桿3 0 2、針棒3 0 3及導銷3 0 4三部分構成 一針棒傳動裝置3 0 1，其中，該導銷3 0 4係被套設於針棒 3 0 3頂端的導承孔3 3 2内，而該導銷3 0 4之兩端則各自被 形成為平坦的滑動部3 4 2 ;該擺動連桿3 0 2之前端形成為 6 3之6\專利說明書(補件)\93-02\TF934502(高林) 325 1231330 一擺臂部3 2 4，該擺臂部3 2 4之兩支平行的擺臂分支 上各形成有一滑槽3 2 6，而該二滑動部3 4 2則係可滑 被套設於該二滑槽3 2 6内；藉此，擺動連桿3 0 2、針棉 及導銷3 0 4便彼此相連接。藉由導銷3 0 4在針棒3 0 3 之導承孔3 3 2内之角度轉動以及導銷3 0 4兩端之滑動 擺動連桿3 0 2之二個滑槽3 2 6内之平移滑動，擺動連指 之往復擺動運動便被轉換為針棒3 0 3之直線型上下往 動。在此種構成方式中，由於需要多個構件，故該裝 組裝、保養及零件更換均係不易；此外，大量細部零 製造亦會增加製造工時及成本。 【發明内容】 因此，本發明在於製造一種縫紉機之針棒連桿傳 置，其包含一擺臂，該擺臂之一端係呈叉字形，該叉 兩端各具有一圓形之貫穿孔；一導銷，其係呈一圓柱 以穿過該擺臂之叉字形之貫穿孔；一針桿，其頂端設 導承構件，該導承構件具有倒C字型之滑動槽，且一 設置有一橢圓形之抱持孔，該導銷可穿過該抱持孔； 一滑塊，其可置入該導承構件之倒C字型滑動槽中， 塊中設置有一導孔，使該導銷可由其中穿過；其中， 塊及導承構件兩者置入擺臂之叉字形兩端中，該擺臂 穿孔、滑塊之導孔及導承構件之抱持孔係以該導銷穿 當縫紉開始時，該擺臂係以其上之轉軸為中心做弧狀 下往復擺動，擺臂之往復擺動可帶動滑塊於導承構件 動槽中做往復移動，而防止導銷承受剪應力及扭曲應 326\專利說明書(補件)\93-02\TF934502(高林) 7 動地 303 頂端 部在 302 復運 置之 件之 動裝 字形 型 ， 置有 側係 以及 該滑 該滑 之貫 過， 之上 之滑 力， 1231330 且該針桿之移動路徑已被軸承套筒限定為與縫紉機臂成 直方向，故該針桿可被擺臂帶動而垂直於縫紉機臂做往 運動，以進行縫幼動作。 本發明之縫紉機之針棒連桿傳動裝置主要是於連接部 分採用滑動槽形式，而非習知技術中之套接方式，使針 之受力方向始終保持與其運動方向一致，而不會使連結 位承受剪應力。 此外，本發明至少可使用僅一顆螺絲來完成裝卸之動 作，並藉由螺絲之固定使得導銷不會在操作時於擺臂之 端產生相對轉動而磨損，進而減少操作噪音並可延長零 之使用壽命。 此外，本發明係於針桿頂端之承導構件上使用橢圓形 抱持孔及於承導構件之滑動槽内使用可橫向位移之滑塊 消除作用於導銷上之剪應力，故可限定連結部位之橫向 移於一定範圍内且提高操作時之穩定度。 此外，本發明由於僅由擺臂、導銷、針桿以及滑塊等 種構件組成，故其構造簡單不複雜，且可減少製造工時 成本。 故，以此形式組裝之針棒連桿傳動裝置可以克服上述 前技術之種種缺陷，以達成：（1)提高易裝度、（2)壽命 長、（3 )減少工時以及（4 )減少成本之目的。 本發明之其他目的及特徵將由隨後之詳細說明及隨附 之申請專利範圍當可更加明白。 【實施方式】 326\專利說明書(補件)\93_〇2\TF9345〇2(高林） 8 垂 復 棒 部 兩 件 之 來 位 四 及 先 延 1231330 圖1為本發明之縫紉機之針棒連桿傳動裝置之分解圖， 該傳動裝置係由擺臂1、導銷3、針桿4以及滑塊8組成， 其中針桿4之頂端係為一導承構件5，該導承構件5之一 側設置有一橢圓形之抱持孔 6且具有倒C字形之滑動槽 7，滑塊8上設置有一圓形導孔9，該擺臂1之一端係為叉 字形，以於其中容納導承構件5以及包含於該導承構件5 中之滑塊8，該叉字形兩端各具有一圓形之貫穿孔2，可使 導銷3穿過該處，故作為轉軸之導銷3可依序穿過貫穿孔 2-抱持孔6 -導孔9 -貫穿孔2，該叉字形兩端之至少一端上 係設置有一螺絲孔1 B，可使固定螺絲1 A旋入該處而固定 鎖緊該穿過之導銷3。 圖2為本發明之縫紉機之針棒連桿傳動裝置之動作說明 圖，其中縫紉機臂係以元件符號1 1表示，且其上設置有可 使針桿4通過之軸承套筒1 2，該軸承套筒1 2可幫助針桿4 施行穩定之縫紉動作；當動作時，擺臂1係由驅動裝置（圖 未示）驅動而以轉軸1 0為中心做弧狀之上下往復擺動，由 於滑塊8係以導銷3固定於擺臂1上，且導承構件5中係 設置有橢圓形之抱持孔6，其中該橢圓形抱持孔6之長軸 距離係為滑塊8於滑動槽7中之滑動距離，當縫紉開始時， 擺臂1被驅動以其轉軸1 0為中心做弧狀之上下往復擺動， 由於本發明之針棒連桿傳動裝置係採用滑塊8滑動於滑動 槽之形式，且針桿4頂端之導承構件5的抱持孔6係採橢 圓形設計，故當動作時，擺臂1之擺動可帶動滑塊8於導 承構件5之滑動槽7中做往復滑動（如圖2中虛線所示）， 326\專利說明書(補件)\93-02\TF934502(高林） 9 1231330 而防止導銷3承受剪應力及扭曲應力，且該針桿4之移動 路徑已被軸承套筒1 2限定為與縫紉機臂1 1成垂直方向， 故針桿4可被擺臂1帶動而垂直於縫紉機臂1 1做往復運 動，以進行縫紉動作。 本發明可在不離開本發明之精神及基本特徵下作成各 種特定之例示。本發明之範圍為由隨附之申請專利範圍所 限定，而並非由上述說明所限制，所有與申請專利範圍意 義相等之變化均應包含於本發明中。 【圖式簡單說明】 圖1為本發明之縫紉機之針棒連桿傳動裝置之分解圖； 圖2為本發明之縫紉機之針棒連桿傳動裝置之動作說明 圖； 圖3為先前技術之立體分解圖； 圖4為另一先前技術之立體分解圖；以及 圖5為又一先前技術之立體分解圖。 (元件符號說明） 1 擺臂 1 A 固定螺絲 1B 螺絲孔 2 貫穿孔 3 導銷 4 針桿 5 導承構件 6 抱持孔 10 326\專利說明書(補件)\93-〇2\TF9345〇2(高林) 1231330 7 滑動槽 8 滑塊 9 導孔 10 轉軸 11 縫紉機臂 12 軸承套筒 11 326\專利說明書(補件)\93-02\TF934502(高林)123133〇 Description of the invention: [Technical field to which the invention belongs] The present invention relates to a needle bar linkage transmission device of a kind of sewing machine and a needle bar linkage transmission device of a sewing machine that can be easily assembled. [Previous technology] ],-The stitch cutting machine is equipped with a needle bar connecting rod transmission device, the new real fair No. 5_1107 8 8 is not a type of sewing machine, as shown in Figure 3, which is mainly by the needle bar m摆动, swing, knot pin m three, of which, the top of the needle bar 103 is provided with 7 guide members 130; the front end of the swing arm 102 is provided with-the opposite arm 121, the front end of the swing arm 121 is formed as a through hole 122; ^ of The middle section forms a concave flat surface 141, one above and one below. The pin 104 passes through the through-hole 122 and the guide member 130 is fitted. The reciprocating swing of the arc-shaped trajectory of the swing arm 10 is transformed into a reciprocating motion. The change in the angle is caused by the connection. The perforation 1 2 is rotated and offset, and the change in the lateral displacement between the linear trajectories of the arc lever 1 〇 3 of the swing arm 丨 02 is offset by the sliding back surface 131 in the guide member 13 〇 and is offset. In the forming method, since the flat surface 141 of the connecting pin 104 is covered with shear stress and torsional stress, and continuously slides in the guide structure, damage and wear often occur; in addition, it is a swing arm combined 102. Needle bar 103 and connecting pin 104 operate, through-hole 1 2 2, guide member j 3 〇 and flat surface j 4 j are required to have very high machining accuracy, resulting in an increase in manufacturing and maintenance. (Supplement) \ 93-〇2 \ TF9345〇2 (Gao Lin) 5 It is related to the practical pole driving device 1 0 2 and a U-shaped pendulum connected to it. Ji pin 1 0 4 will connect the flat surface The 7 needle bar 1 0 3 104 is in the same level as the needle 1 0 4 in this structure. Can accurately wait for the part and repair the 1231330 difficulty. Another prior art is the Republic of China Invention Patent Bulletin No. 2 8 0 8 41, which discloses a needle bar driving device of a sewing machine, as shown in FIG. 4, which is mainly composed of a swing arm 2 0, a needle bar 2 0 3 and guide pin 2 0 4, wherein the swing arm 2 0 2 is provided with a long cylindrical connecting rod 2 2 1 at the front end; the needle bar 2 3 is provided with a pair of fork-shaped swing arms 2 3 0 at the top A holding hole 2 3 1 is formed in each swing arm 2 3 0; a guide hole 2 4 1 is formed in the middle portion of the guide pin 2 0 4 and penetrates through it. By passing the guide pin 2 0 4 through the holding hole 2 3 1 and passing the connecting rod 2 2 1 into the guide hole 2 4 1, the reciprocating swing of the arc-shaped trajectory of the swing arm 2 0 2 is converted into the needle bar 2 0 3 reciprocating up and down, wherein the change in angle is offset by the rotation of the guide pin 2 0 4 in the holding hole 2 3 1, and the arc trajectory of the swing arm 2 0 2 and the needle bar 2 0 3 The change in the lateral displacement between the linear trajectories is offset by the connecting rod 2 2 1 sliding back and forth in the guide hole 2 41. In this configuration, since the connecting rod 2 2 1 is partially subjected to shear stress and continuously slides in the guide hole 2 41, it is easy to cause the connecting rod 2 2 1 to bend or break; in addition, the connecting rod 2 2 1 The machining accuracy requirements of 2 2 1 and guide hole 2 4 1 are relatively high, resulting in a relatively high degree of difficulty in manufacturing, maintenance and repair. Yet another prior art is the Republic of China New Patent Publication No. 3660 0-9, which discloses a needle bar linkage transmission device of a sewing machine, as shown in FIG. 5, which mainly uses a swing link 302, a needle bar The three parts 3 0 3 and the guide pin 3 0 4 constitute a needle bar transmission device 3 01, wherein the guide pin 3 0 4 is sleeved in the guide hole 3 3 2 at the top of the needle bar 3 0 3, and the The two ends of the guide pin 3 0 4 are each formed as a flat sliding portion 3 4 2; the front end of the swing link 3 0 2 is formed as 6 3 of 6 \ Patent Specification (Supplement) \ 93-02 \ TF934502 ( Gao Lin) 325 1231330 A swing arm part 3 2 4 is formed on each of two parallel swing arm branches of the swing arm part 3 2 4 with a sliding slot 3 2 6 and the two sliding parts 3 4 2 are slippery quilts It is set in the two chute 3 2 6; by this, the swing link 3 2, the needle cotton and the guide pin 3 0 4 are connected to each other. Rotate the guide pin 3 0 4 in the guide hole 3 3 2 of the needle bar 3 0 3 and slide the swing link 3 0 2 at both ends of the guide pin 3 0 4 Translation and sliding, the reciprocating swing motion of the swing finger is converted into a linear up and down movement of the needle bar 3 0 3. In this configuration method, since multiple components are required, the assembly, maintenance, and replacement of parts are not easy; in addition, a large number of detailed and zero-manufacturing operations also increase manufacturing man-hours and costs. [Summary of the Invention] Therefore, the present invention is to manufacture a needle rod connecting rod transmission of a sewing machine, which includes a swing arm, one end of the swing arm is in a fork shape, and each end of the fork has a circular through hole; A guide pin is a cylindrical penetrating penetrating through-hole of the swing arm; a needle bar has a guide member at its top end, the guide member has an inverted C-shaped sliding groove, and an oval Shaped holding hole, the guide pin can pass through the holding hole; a slider, which can be placed in the inverted C-shaped sliding groove of the guide member, a guide hole is provided in the block, so that the guide pin can be It passes through; wherein, the block and the guide member are both placed in the two ends of the cross-shaped shape of the swing arm, and the perforation of the swing arm, the guide hole of the slider and the holding hole of the guide member are sewed with the guide pin. At the beginning, the swing arm reciprocates in an arc shape with its upper axis as the center. The reciprocating swing of the swing arm can drive the slider to reciprocate in the guide groove of the guide member, and prevent the guide pin from receiving shear stress and distortion Response 326 \ Patent Specification (Supplement) \ 93-02 \ TF934502 (Gao Lin) 7 Dynamically 303 The top part is 302 The moving type of the reloaded part is equipped with a side system and a sliding force, the sliding force above it, 1231330, and the movement path of the needle bar has been limited by the bearing sleeve to be straight with the sewing machine arm. Direction, so the needle bar can be driven by the swing arm to move perpendicular to the sewing machine arm to perform the sewing action. The needle rod connecting rod transmission device of the sewing machine of the present invention mainly adopts a sliding groove form at the connection part, instead of the sleeve connection method in the conventional technology, so that the direction of the force of the needle is always consistent with the direction of its movement without causing the connection The bit is subjected to shear stress. In addition, the present invention can use at least one screw to complete the loading and unloading action, and the screw is fixed so that the guide pin will not cause relative rotation and wear on the end of the swing arm during operation, thereby reducing operating noise and extending zero Its useful life. In addition, the present invention uses an elliptical holding hole on the guide member at the top of the needle bar and uses a laterally displaceable slider in the slide groove of the guide member to eliminate the shear stress acting on the guide pin, so the connection can be limited The lateral movement of the part is within a certain range and the stability during operation is improved. In addition, since the present invention is only composed of various components such as a swing arm, a guide pin, a needle bar, and a slider, the structure is simple and uncomplicated, and the manufacturing man-hour cost can be reduced. Therefore, the needle rod linkage transmission device assembled in this form can overcome the various shortcomings of the foregoing technologies to achieve: (1) improved ease of installation, (2) long life, (3) reduced man-hours, and (4) reduced The purpose of cost. Other objects and features of the present invention will become clearer from the following detailed description and the scope of the accompanying patent application. [Embodiment] 326 \ Patent Specification (Supplement) \ 93_〇2 \ TF9345〇2 (Gao Lin) 8 Two positions of the vertical compound rod part and extension 1231330 Figure 1 shows the needle bar connector of the sewing machine of the present invention An exploded view of a rod transmission device, which is composed of a swing arm 1, a guide pin 3, a needle bar 4, and a slider 8, wherein the top end of the needle bar 4 is a guide member 5, one of the guide member 5. An elliptical holding hole 6 and an inverted C-shaped sliding groove 7 are provided on the side. A circular guide hole 9 is provided on the slider 8. One end of the swing arm 1 is in a cross shape to receive the guide member therein. 5 and the slider 8 included in the guide member 5, each of the two ends of the cross has a circular through hole 2 to allow the guide pin 3 to pass therethrough, so the guide pin 3 as a rotating shaft can be sequentially Through the through hole 2-holding hole 6-guide hole 9-through hole 2, at least one end of the fork-shaped two ends is provided with a screw hole 1 B, which can be screwed into the place and fixed and locked The penetrating guide pin 3. FIG. 2 is an operation explanatory diagram of a needle bar connecting rod transmission device of a sewing machine of the present invention, wherein the sewing machine arm is represented by a component symbol 11 and a bearing sleeve 12 is provided on the sewing machine through which the needle bar 4 can pass. The bearing The sleeve 12 can help the needle bar 4 perform a stable sewing action. When the movement is performed, the swing arm 1 is driven by a driving device (not shown) and swings up and down in an arc shape with the rotating shaft 10 as the center. 8 is fixed to the swing arm 1 with a guide pin 3, and an oval holding hole 6 is provided in the guide member 5, wherein the long axis distance of the oval holding hole 6 is the slider 8 in the sliding groove. In the sliding distance of 7, when the sewing starts, the swing arm 1 is driven to reciprocate upwards and downwards with its rotating shaft 10 as the center. Since the needle rod linkage transmission device of the present invention uses the slider 8 to slide on the sliding groove Form, and the holding hole 6 of the guide member 5 at the top of the needle bar 4 adopts an elliptical design, so when in action, the swing of the swing arm 1 can drive the slider 8 in the sliding groove 7 of the guide member 5 to do Slide back and forth (as shown by the dotted line in Figure 2), 326 \ Patent Specification (Supplement) \ 93-02 \ TF934502 (Gao Lin 9 1231330 to prevent the guide pin 3 from being subjected to shear stress and twisting stress, and the movement path of the needle bar 4 has been limited by the bearing sleeve 12 to be perpendicular to the sewing machine arm 11, so the needle bar 4 can be driven by the swing arm 1. The reciprocating motion perpendicular to the sewing machine arm 11 is performed to perform the sewing action. The present invention can be made into various specific examples without departing from the spirit and basic characteristics of the present invention. The scope of the present invention is defined by the scope of the attached patent application, not by the above description, and all changes equivalent to the scope of the patent application should be included in the invention. [Brief description of the drawings] FIG. 1 is an exploded view of the needle bar linkage transmission device of the sewing machine of the present invention; FIG. 2 is an operation explanatory diagram of the needle bar linkage transmission device of the sewing machine of the present invention; FIG. 3 is a perspective view of the prior art Exploded view; FIG. 4 is an exploded perspective view of another prior art; and FIG. 5 is an exploded perspective view of yet another prior art. (Description of component symbols) 1 Swing arm 1 A Fixing screw 1B Screw hole 2 Through hole 3 Guide pin 4 Needle bar 5 Guide member 6 Holding hole 10 326 \ Patent Specification (Supplement) \ 93-〇2 \ TF9345〇2 (Gaolin) 1231330 7 Slide groove 8 Slider 9 Guide hole 10 Rotary shaft 11 Sewing machine arm 12 Bearing sleeve 11 326 \ Patent specification (Supplement) \ 93-02 \ TF934502 (高 林)