1251376 玖、發明說明： 【發明所屬之技術領域】 本發明是有關於一種插座，特別是指一種可供一插頭 穩固插結的耳機插座。 5 【先前技術】 如圖1、2、3所示，一傳統耳機插座！適用於一電子 設備之一插頭2插設，該耳機插座丨包含有一插座本體u 、一第一卡扣件12、一第二卡扣件13、一底彈扣件14，及 一擋板15。 10 該插座本體11是絕緣材質製成，並包括一頂面111、 一圍繞一軸線A且界定出一插孔112的插孔壁113，及自該 頂面111往下延伸並連通該插孔壁丨丨3，且沿著該軸線A間 隔設置的一第一扣接座114與一第二扣接座115。該插孔 112具有一供該插頭2插置入的左開口 112ι，與一遠離該左 15 開口 U2i的右開口 U22 ;該第一扣接座114具有一位於中 央位置且連通該插孔112的第一鏤空部1141，該第二扣接 座115具有一位於中央位置且連通該插孔112的第二鏤空部 1151。 該第一卡扣件12由導電材質製成，是扣接穩固在該第 2〇 一扣接座114上，至少包括一可伸入到該第一鏤空部ι141 内的抵接部121，及一自該第一卡扣件12之一底端緣彎折 後水平延伸的第一端子122。 該第一卡扣件13與苐 ^扣件12為相同構形，但相 對於該第一卡扣件12是不同方向地扣接穩固在該第二扣接 1251376 座115上，至少包括一可伸入到該第~鏤空部1151内的抵 接4 131 ’及-自㈣—卡扣件13之—底端緣彎折後水平 延伸的第一端子132。 該底彈扣件14由導電材質製成，且裝設在該插座本體 5 11内’並包括一可卡結在該插孔112内的框型座體141，及 -自该座體141之-框邊向上傾斜延伸的彈扣片142。該座 體141具有-逕向延伸的第一座端子ΐ4ιι。該彈扣片142 具有-位於中央位置的頂掣冑1421，及—位於該彈扣片 142之頂部末端的卡置部ι422。 〇 該擋板15由導電材質製成，是固結在該插座本體U之 右開口 1122内，並位於該底彈扣件14之卡置部1422上方 ，供該卡置部1422可相對於該擋板15位於一卡抵位置與 一分離位置，該擋板15包括一徑向延伸之第二座端子hi 〇 5 使用時，當該底彈扣件14之卡置部1422是位於如圖2 所示之卡抵位置而卡抵於該播板15，此時，該底彈扣件Μ 是電連接於該擋板15而呈電氣導通狀態，相對使該第一座 端子1411與第二座端子151形成電氣導通；搭配參閱圖3 所示，當該插頭2插置入該插孔112時，該插頭2之一插置 〕 段可受該第一卡扣件12之抵接部121與第二卡扣件u 之抵接部131抵接迫緊而穩固，而該插頭2之一頭部則 .可擠壓該底彈扣件14之頂掣部1421，間接使該卡置部 1422分離於該擋板15而位於該分離位置，此時，該底彈扣 件14與該擋板15沒有電氣導通，相對使該第_座端= 1251376 1411與第二座端子151沒有電氣導通；藉此，經由該第一 座端子1411與第二座端子151兩者形成電氣導通或沒有電 氣導通，而可作為開關啟閉之動作。 但是’該傳統耳機插座1於實際使用時仍存有下列缺 失而丞待解決： 该傳統充電插座1是由該插座本體11、該第一卡扣件 12、該第二卡扣件13、該底彈扣件14，及擋板15等多數 構件組成，於生產製造上，存有構件較多而需開設多組模 具以因應’相對具有高製造工時而提高成本之缺點，另參 閱圖1所示之底彈扣件14與擋板15之線條構形較為複雜 ，使加工精準度之難度亦相對提高，間接亦會增添製造工 時與成本。 【發明内容】 因此本發明之目的，是在提供一種可供一插頭穩固 插結，且具有組成構件少而可降低製造成本的耳機插座。 於是，本發明之耳機插座，適用於一電子設備之一插 頭插設，包含一插座本體、一第一卡扣件、一第二卡扣件 及一夾扣件。該插座本體是絕緣材質製成，並包括一頂面 、一圍繞一軸線且界定出一小孔的小孔壁、一自該小孔壁 之一端緣橫向擴張形成且界定出一大孔的大孔壁，及自該 頂面往下延伸並連通該小孔壁，且沿著該軸線間隔設置的 第扣接座與一第二扣接座，該第一扣接座具有一位於 中央位置且連通該小孔的第一鏤空部，及分別設置在該第 鏤二部之二相對端的一第一凸塊與一第一凹槽，該第二 1251376 扣接座具有一位於中央位罟 置且連通該小孔的第二鏤空部， 5 10 15 及分別設置在該第二鏤空部之二相對端的一第二凸塊與一 弟二凹槽，該第一凸塊與該第二凸塊是呈相對設置。該第 -卡扣件由導電材質製成，是扣接穩固在該第一扣接座上 ，且其中央部位可伸入到該第—鏤空部内。該第二卡扣件 由導電材質製成，是扣接穩固在該第二扣接座上，且其中 央部位可伸人到該第二鏤空部内。該夾扣件由導電材質製 成，且自該插座本體之大孔插置入，並包括二可橫向伸入 該大孔且相對間隔設置的夾耳；當該插頭自該小孔插置入 該大孔時，該㈣之-頭部可受該夾扣紅夾耳夾扣而穩 固，且其位於該小孔内之一插置段，可受該第一卡扣件與 π亥第一卡扣件之中央部位卡抵迫緊，而使該插頭穩固連結 於該插座本體中。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之一較佳實施例的詳細說明中，將可清 楚的明白。 參閱圖4、5、8所示，本發明之耳機插座3之一較佳 實施例，適用於一電子設備之一插頭4插設，該插頭4具 有一插置段41與一鄰接該插置段41的頭部42，該耳機插 座3包含一插座本體5、一第一卡扣件6、一第二卡扣件7 及一夾扣件8。 參閱圖4、6、7所示，該插座本體5是絕緣材質製成 並包括一頂面51、一圍繞一軸線a且界定出一小孔52的 20 1251376 小孔壁53、一自該小孔壁53之一端緣橫向擴張形成且界定 出大孔54的大孔壁55、自該頂面51往下延伸並連通該 J孔土 53且石著該軸線a間隔设置的一第一扣接座56與 一第二扣接座57，及二鄰近該大孔54之一開放端541且自 5 该頂面51間隔地連通該大孔54的矩形扣合槽58。該第一 扣接座56具有一位於中央位置且連通該小孔52的第一鏤 空部561，及分別設置在該第一鏤空部561之左、右端的一 梯型狀第一凸塊562與一第一凹槽563 ;該第二扣接座57 八有位於中央位置且連通s玄小孔5 2的第二鎮空部$ 71， 1〇 及分別設置在該第一鏤空部571之右、左端的一梯型狀第 二凸塊572與一第二凹槽573,該第一凸塊562與該第二凸 塊572是呈相對設置。 該第一卡扣件6由導電材質製成並略呈倒U字型，是 扣接穩固在該插座本體5之第一扣接座56上，並包括可相 15 對扣接在該第一扣接座56之第一凸塊562與第一凹槽563 的一第一卡槽61及一第一卡塊62、一連接該第一卡槽61 與第一卡塊62的斜板63，及一自該第一卡塊62之底端彎 折後水平延伸的第一端子64。該斜板63具有一向下凹陷且 可伸入該第一鏤空部561的第一抵接部631。 2〇 該第二卡扣件7是扣接穩固在該插座本體5之第二扣 接座57上，且該第二卡扣件7之構形雷同於上述第一卡扣 件6，並包括二可相對扣接在該第二扣接座叮之第二凸塊 572與第二凹槽573的第二卡槽71與第二卡塊72、一連接 該第二卡槽71與第二卡塊72的斜板73，及一自辕第二卡 1251376 塊72之底端彎折後水平延伸的第二端子74。該斜板73具 有一向下凹陷且可伸入該第二鏤空部571的第二抵接部731 〇 該夾扣件8,由導電材質製成，且自該插座本體5之大 孔54插置入’並具有二可橫向伸入該大孔54且相對間隔 設置的夾耳81、二分別自該等央耳81之一頂面811凸伸形 成且可分別扣接於該插座本體5之二扣合槽5 8内的頂掣塊 82、一連接該等夾耳81的擋板83，及二相間隔且自該擋板 83之底端彎折後水平延伸的第三端子84;該二夾耳81分 別具有一遠離該擋板83的夾持部811，該二夾持部811是 呈水平相向彎弧設計。 組裝時，參閱圖4、6、7所示，因該插座本體5之第 一凸塊562與該第二凸塊572是呈相對設置，當該第一卡 扣件6與苐一卡扣件7分別扣接在該插座本體5之第一扣 接座56與第一扣接座57時，該第—^扣件6之斜板63與 苐一卡扣件7之斜板73將呈如圖5所示之傾斜交錯狀，且 藉該夾持件8之頂掣塊82可卡接於該等扣合槽58，而使該 二夾耳81是穩固於該大孔54内。 使用時，參閱圖4、7所示，當該插頭（圖未示）未插 置入該插座本體5時，該第一端子64、該第二端子74與該 第一 ^子84彼此並未電連接而呈沒有導通狀態。參閱圖4 、6、8所示，當該插頭4自該小孔52插置入該大孔54時 ，該插頭4之頭部42可受該夾扣件8之夾持部811夾扣穩 固並形成電連接，且其位於該小孔52内之插置段41，則可 10 !251376 5 10 15 =該第-卡扣件6之第-抵接部631與該第二卡扣件7之 第二抵接部731卡抵迫緊並形成電連接，終使該插頭4穩 固連結於該插座本體5中’此時，該第_端子64、該第: 端子74與該第三端子84彼此電連接而呈導通狀態^藉: ’經由該第-端子64、該第二端子74與該第三端子J三 :形成電氣導通或沒有電氣導通’而可作為開關啟閉之: 值得一提的是，如圖6所示，該插座本體5更具有至 少-定位端子59,於製造時可供機具作為^位用途，因定 位技術為習知技藝且非本發明請求之特徵，所以不再詳細 說明。 兹將本發明耳機插座3可達致之功效分述如后： 參閱圖4、7所示，本發明之耳機插座3是由該插座本 體5、該第—卡扣件6、該第二卡扣件7及該夾扣件8等構 件組成，不同於如i所示之傳統充電插座】是由較多數 之構件組成，相對本發明在生產製造過程中可減少模且使 用’而具有降低項與成本之優點；再者，本發明之夹扣 :8之構形較如圖】所示之底彈扣件14與擋板15來得簡 使加工精準度之難度相對較低，間接亦會減少製造工 時與成本。 ▲隹乂上所述者’僅為本發明之一較佳實施例而已，當 =以此限定本發明實施之範圍，即大凡依本發明申請專 2圍及發明說明書内容所作之簡單的等效變化與修飾， 白應仍屬本發明專利涵蓋之範圍内。 20 1251376 【圖式簡單說明】 圖1疋一傳統耳機插座之一立體分解圖； 圖2是該傳統耳機插座之一組合剖視圖； 5 10 圖3是該傳統耳機插座之一組合剖視圖，說明一插頭 插置入該插座本體的使用情形；1251376 发明, INSTRUCTION DESCRIPTION: TECHNICAL FIELD The present invention relates to a socket, and more particularly to a headphone jack that can be firmly inserted into a plug. 5 [Prior Art] As shown in Figures 1, 2 and 3, a traditional headphone jack! The utility model is suitable for plugging a plug 2 of an electronic device, the earphone socket 丨 comprising a socket body u, a first fastening component 12, a second fastening component 13, a bottom elastic fastener 14, and a baffle 15 . The socket body 11 is made of an insulating material and includes a top surface 111, a socket wall 113 surrounding an axis A and defining a socket 112, and extending downward from the top surface 111 and communicating with the socket The first buckle base 114 and the second fastening socket 115 are spaced apart from each other along the axis A. The jack 112 has a left opening 112ι into which the plug 2 is inserted, and a right opening U22 away from the left 15 opening U2i; the first fastening socket 114 has a central position and communicates with the jack 112. The first hollow portion 1141 has a second hollow portion 1151 located at a central position and communicating with the insertion hole 112. The first fastening component 12 is made of a conductive material and is fastened to the second fastening socket 114. The first fastening component 12 includes at least one abutting portion 121 extending into the first hollow portion ι141, and a first terminal 122 extending horizontally from a bottom end edge of the first fastening member 12. The first fastening component 13 and the fastening component 12 have the same configuration, but are fastened in different directions with respect to the first fastening component 12, and are fixed on the second fastening 1251376 seat 115, at least one The first terminal 132 extends horizontally and extends from the abutment 4 131 ′ of the first hollow portion 1151 and the (four)—the bottom end edge of the fastening member 13 . The bottom fastener 14 is made of a conductive material and is mounted in the socket body 5 11 'and includes a frame-shaped base 141 that can be engaged in the socket 112 , and - from the base 141 - A snap tab 142 that extends obliquely upwardly from the frame edge. The body 141 has a first terminal terminal ΐ4ιι extending radially. The latching piece 142 has a top end 1421 located at a central position, and a latching portion ι 422 located at the top end of the latching piece 142. The baffle plate 15 is made of a conductive material and is fixed in the right opening 1122 of the socket body U and located above the latching portion 1422 of the bottom elastic fastener 14 for the latching portion 1422 to be opposite to the latching portion 1422. The baffle plate 15 is located at a latching position and a separate position. The baffle plate 15 includes a radially extending second block terminal hi 〇5. When the baffle 15 is used, when the latching portion 1422 of the bottom buckle member 14 is located as shown in FIG. 2 The card is in abutment position and is engaged with the playing board 15. At this time, the bottom elastic fastener 电 is electrically connected to the baffle 15 to be electrically connected, and the first seat terminal 1411 and the second seat are oppositely arranged. The terminal 151 is electrically connected; as shown in FIG. 3, when the plug 2 is inserted into the jack 112, one of the plugs 2 can be inserted into the receiving portion 121 of the first latching member 12 and The abutting portion 131 of the second latching member u is pressed and firmed, and the head of the plug 2 can press the top portion 1421 of the bottom latch 14 to indirectly make the latching portion 1422 Separating from the baffle 15 to be in the separated position, at this time, the bottom elastic fastener 14 and the baffle 15 are not electrically connected, and the first pedestal end = 1251376 1411 and Two terminal 151 are not electrically conductive; thereby forming electrically conductive or not electrically conductive terminal via both the first base terminal 151 and the second base 1411, and the operation of turning on and off as. However, the conventional earphone socket 1 still has the following defects in actual use and needs to be solved: the conventional charging socket 1 is the socket body 11, the first fastening component 12, the second fastening component 13, the The bottom elastic fastener 14 and the baffle plate 15 and the like are composed of a plurality of components, and there are many components in the production and manufacturing, and a plurality of sets of molds are required to meet the disadvantages of 'relatively having high manufacturing man-hours to increase the cost. See also FIG. 1 The line configuration of the bottom elastic fastener 14 and the baffle 15 is relatively complicated, which makes the processing precision more difficult, and indirectly increases manufacturing man-hours and costs. SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a headphone jack which can be stably inserted into a plug and which has a small number of constituent members and can reduce manufacturing costs. Therefore, the earphone socket of the present invention is suitable for plug-in insertion of an electronic device, and comprises a socket body, a first fastening component, a second fastening component and a clamping component. The socket body is made of an insulating material and includes a top surface, a small hole wall surrounding an axis and defining a small hole, and a large expansion from one end edge of the small hole wall and defining a large hole. a wall of the hole, and a first fastening seat and a second fastening seat extending from the top surface and communicating with the small hole wall and spaced along the axis, the first fastening seat has a central position and a first hollow portion connecting the small hole, and a first convex portion and a first concave portion respectively disposed at opposite ends of the second portion of the second portion, the second 1251376 fastening seat having a central position and a second hollow portion connecting the small hole, 5 10 15 and a second bump and a second groove respectively disposed at opposite ends of the second hollow portion, wherein the first bump and the second bump are Relatively set. The first fastening member is made of a conductive material and is fastened to the first fastening seat, and a central portion thereof can extend into the first hollow portion. The second fastening component is made of a conductive material and is fastened to the second fastening seat, and the central portion thereof can extend into the second hollow portion. The clip member is made of a conductive material and is inserted from a large hole of the socket body, and includes two clips that can extend laterally into the large hole and are relatively spaced apart; when the plug is inserted into the small hole In the large hole, the head of the (4) can be stabilized by the clip of the clip red clip, and the clip is located in one of the insert holes, and can be received by the first clip and the first The central portion of the snap member is clamped tightly, and the plug is firmly coupled to the socket body. The above and other technical contents, features, and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments. Referring to Figures 4, 5 and 8, a preferred embodiment of the earphone jack 3 of the present invention is suitable for plugging a plug 4 of an electronic device. The plug 4 has an insertion section 41 and an adjacent insertion. The headphone 42 of the segment 41 includes a socket body 5, a first fastening component 6, a second fastening component 7, and a clamping component 8. Referring to Figures 4, 6, and 7, the socket body 5 is made of an insulating material and includes a top surface 51, a 20 1251376 aperture wall 53 defining an aperture 52 surrounding an axis a, and a small One end edge of the hole wall 53 is laterally expanded and defines a large hole wall 55 of the large hole 54 , a first fastening line extending downward from the top surface 51 and communicating with the J hole soil 53 and spaced apart from the axis a The seat 56 and a second fastening seat 57 are adjacent to the open end 541 of the large hole 54 and communicate with the rectangular engaging groove 58 of the large hole 54 from the top surface 51. The first fastening seat 56 has a first hollow portion 561 located at a central position and communicating with the small hole 52, and a ladder-shaped first protrusion 562 disposed at the left and right ends of the first hollow portion 561, respectively. a first recess 563; the second fastening seat 57 has a second hollow portion $71, 1〇 at a central position and communicating with the sinoid aperture 5 2 and is disposed respectively to the right of the first hollow portion 571 a ladder-shaped second bump 572 and a second recess 573 at the left end, and the first bump 562 and the second bump 572 are disposed opposite to each other. The first fastening component 6 is made of a conductive material and has a slightly inverted U shape. The first fastening component 6 is fastened to the first fastening seat 56 of the socket body 5, and includes a pair of 15 pairs of buckles. a first bump 562 of the fastening seat 56 and a first slot 61 of the first recess 563 and a first latching block 62, and a swash plate 63 connecting the first latching slot 61 and the first latching block 62, And a first terminal 64 extending horizontally from the bottom end of the first block 62. The swash plate 63 has a first abutting portion 631 which is recessed downward and can protrude into the first hollow portion 561. 2, the second fastening component 7 is fastened to the second fastening seat 57 of the socket body 5, and the second fastening component 7 is identical in configuration to the first fastening component 6, and includes The second card slot 71 and the second card block 72 of the second protrusion 572 and the second groove 573 of the second fastening frame are connected to the second card slot 71 and the second card slot 71 and the second card slot 71 and the second card slot The swash plate 73 of the block 72 and a second terminal 74 extending horizontally from the bottom end of the second card 1251376 block 72 are horizontally extended. The swash plate 73 has a second abutting portion 731 which is recessed downwardly and can extend into the second hollow portion 571. The clip member 8 is made of a conductive material and is inserted from the large hole 54 of the socket body 5. The latches 81 and the two of the latching ears 81 and the two of the latching ears are respectively protruded from the top surface 811 of the central ear 81 and can be respectively fastened to the socket body 5 a top block 82 in the snap groove 58, a baffle 83 connecting the clips 81, and a third terminal 84 spaced apart from the bottom end of the baffle 83 and extending horizontally from the bottom end of the baffle 83; The clip ears 81 each have a clamping portion 811 away from the baffle 83, and the two clamping portions 811 are designed to be curved in a horizontal direction. As shown in FIGS. 4, 6, and 7, the first protrusion 562 of the socket body 5 and the second protrusion 572 are oppositely disposed, when the first fastening component 6 and the first fastening component are When the first fastening seat 56 and the first fastening seat 57 of the socket body 5 are respectively fastened, the swash plate 63 of the first fastening member 6 and the swash plate 73 of the first fastening component 7 will be as The slanting staggered shape shown in FIG. 5, and the top cymbal block 82 of the clamping member 8 can be engaged with the engaging grooves 58, so that the two clips 81 are secured in the large hole 54. When in use, as shown in FIGS. 4 and 7, when the plug (not shown) is not inserted into the socket body 5, the first terminal 64, the second terminal 74 and the first terminal 84 are not mutually Electrically connected to be in a non-conducting state. Referring to FIGS. 4, 6, and 8, when the plug 4 is inserted into the large hole 54 from the small hole 52, the head 42 of the plug 4 can be clamped and secured by the clamping portion 811 of the clip member 8. And forming an electrical connection, and the insertion section 41 in the small hole 52, then 10!251376 5 10 15 = the first abutting portion 631 of the first fastening member 6 and the second fastening member 7 The second abutting portion 731 is fastened and electrically connected to finally connect the plug 4 to the socket body 5. At this time, the first terminal 64, the first terminal 74 and the third terminal 84 are connected. Electrically connected to each other to be in a conducting state. By: "via the first terminal 64, the second terminal 74 and the third terminal J3: forming electrical conduction or no electrical conduction" can be used as a switch to open and close: As shown in FIG. 6, the socket body 5 further has at least a positioning terminal 59, which can be used as a tool for manufacturing purposes. Since the positioning technology is a conventional technique and is not a feature of the present invention, it is no longer Detailed description. The function of the earphone socket 3 of the present invention is described as follows: Referring to Figures 4 and 7, the earphone socket 3 of the present invention is composed of the socket body 5, the first fastening member 6, and the second card. The fastener 7 and the clip member 8 and the like are composed of components different from the conventional charging socket as shown in i. The utility model is composed of a larger number of components, and can reduce the mold and use 'with respect to the invention in the manufacturing process. Moreover, the advantage of the cost; in addition, the clip of the present invention: the configuration of the bottom of the clip 14 and the baffle 15 as shown in the figure is relatively simple, and the difficulty of processing accuracy is relatively low, and indirectly reduced. Manufacturing hours and costs. The above description is only a preferred embodiment of the present invention, and is used to limit the scope of the practice of the present invention, that is, the simple equivalent of the application according to the present invention and the contents of the invention specification. Changes and modifications, white should remain within the scope of the invention patent. 20 1251376 [Simplified illustration of the drawings] Figure 1 is an exploded perspective view of one of the conventional earphone sockets; Figure 2 is a sectional view of one of the conventional earphone sockets; 5 10 Figure 3 is a sectional view of one of the conventional earphone sockets, illustrating a plug Insertion into the socket body;
之一較佳實施例的一立體分 解圖， 圖5是該較佳實施例的一立體外觀圖； 圖6是圖5中沿線6_6之—組合剖視圖； 圖7是圖5中沿線7·7之一組合剖視圖；及 圖8是該較佳實施例之一組合剖視圖，— 置入該插座本體的使用情形。 ~插頭插 15 20 12 1251376 【圖式之主要元件代表符號說明】 3 耳機插座 4 插頭 41 插置段 42 頭部 5 插座本體 51 頂面 5 52 小孔 53 小孔壁 54 大孔 541 開放端 55 大孔壁 56 第一扣接座 561 第一鏤空部 562 第一凸塊 563 第一凹槽 57 第二扣接座 10 571 第二鏤空部 572 第二凸塊 573 第二凹槽 58 扣合槽 59 定位端子 6 第'—^扣件 61 第一卡槽 62 第一卡塊 63 斜板 15 631 第一抵接部 64 第一端子 7 第二卡扣件 71 第二卡槽 72 第二卡塊 73 斜板 731 第二抵接部 74 第二端子 8 夾持件 81 夾耳 20 811 爽持部 82 頂掣塊 83 擋塊 84 第三端子 a 軸線An exploded perspective view of a preferred embodiment, FIG. 5 is a perspective view of the preferred embodiment; FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. 5; and FIG. 7 is a line 7-7 of FIG. A combination cross-sectional view; and Figure 8 is a cross-sectional view of one of the preferred embodiments - the use of the socket body. ~ Plug connector 15 20 12 1251376 [Description of main components in the figure] 3 Headphone jack 4 Plug 41 Insert section 42 Head 5 Socket body 51 Top surface 5 52 Small hole 53 Small hole wall 54 Large hole 541 Open end 55 Large hole wall 56 first fastening seat 561 first hollow portion 562 first convex piece 563 first groove 57 second fastening seat 10 571 second hollow portion 572 second convex piece 573 second groove 58 fastening groove 59 positioning terminal 6 '-^ fastener 61 first card slot 62 first card 63 swash plate 15 631 first abutment portion 64 first terminal 7 second fastening member 71 second card slot 72 second card block 73 swash plate 731 second abutment portion 74 second terminal 8 clamp member 81 lug 20 811 cool portion 82 top cymbal block 83 stopper 84 third terminal a axis
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