玖、發明說明： 【發明所屬之技術領域】 二=於能隨操作桿的回轉操作而進行導通/關斷切換 【先前技術】 如果根據圖9〜圖12來說明習知開關裝置，則在由絕緣材 料構成並形成盒形的外殼31内，形成具有内底面…的大體 爲互方體狀的收納部31b，並在該收納部3lb内的圖示左側 的左側壁31。的-部分上，設置了形成整體的凸部仏的傾斜 狀的固定接點32。 該固定接點32通過插入成形等方法而圍繞在構成内底面 31a的底板314上，第！外部端子32b突出地形成在左側壁 和右側壁3 1 e的外面。 並且’彳疋左側壁j 1 c近旁的内定面3 1 d豎立設置彈簧支撐軸 33。在該彈簧支撐軸33上安裝作爲活動接點的受扭螺旋彈 只3 4。該焚扭螺旋彈簧3 4如圖丨〇所示，分別形成了能與彈 菁支撐軸33相結合進行安裝的繞組部34a、以及從該繞組部 34a的兩端向同一方向延伸的第1、第2臂部34b、34c。 並且’第1臂部34b處於平常與傾斜狀的固定接點32相接 觸的狀怨’其削端與凸邵3 2 a相抵接，對上下方向的移動進 行限制。 再者，在外殼3 1上設置了把打開的收納部3 1 b上方蓋住 所用的蓋子35，該蓋子35是把金屬板36埋設到絕緣性基板 35a内。第2外部端子36a從該金屬板36向左侧壁31c的外側 84738 587266 伸出。 並且，從蓋在收納部3 1 b上的狀態的基板35a的一部分處露 出金屬板3 6 ’從該露出部分切刻暨起金屬板3 6的一部分， 形成向收納部3 1 b的内定面3 1 a側延伸的切換接點3 7。说明 、 Explanation of the invention: [Technical field to which the invention belongs] Two = On / off switching can be performed with the turning operation of the operating lever [Prior art] If the conventional switching device is described based on Figs. 9 to 12, An insulating material is formed into a box-shaped casing 31, and a substantially rectangular parallelepiped-shaped storage portion 31b is formed with an inner bottom surface. The left-side wall 31 on the left side of the storage portion 31b is shown in the drawing. On the part of-, an inclined fixed contact 32 is formed to form a convex portion 整体 as a whole. This fixed contact 32 is surrounded by the bottom plate 314 constituting the inner bottom surface 31a by a method such as insert molding. The external terminal 32b is protrudedly formed on the outside of the left and right walls 3 1 e. In addition, the inner fixed surface 3 1 d near the left side wall j 1 c is provided with a spring support shaft 33 standing upright. A torsion coil spring 34 is mounted on the spring support shaft 33 as a movable contact. As shown in FIG. 10, the torsion coil spring 34 is formed with a winding portion 34a that can be mounted in combination with the elastic support shaft 33, and a first and a first portion extending in the same direction from both ends of the winding portion 34a. The second arm portions 34b and 34c. In addition, "the first arm portion 34b is in contact with the inclined fixed contact 32 normally", and its cut end is in contact with the projection 3 2a to restrict the movement in the vertical direction. Furthermore, a cover 35 is provided on the casing 31 to cover the opened storage portion 3 1b. The cover 35 is a metal plate 36 embedded in the insulating substrate 35a. The second external terminal 36a projects from the metal plate 36 to the outside 84738 587266 of the left side wall 31c. Then, the metal plate 3 6 ′ is exposed from a part of the substrate 35 a covered with the storage portion 3 1 b, and a part of the metal plate 36 is cut and etched from the exposed portion to form an inner surface facing the storage portion 3 1 b. 3 1 a-side switching contacts 37.
该切換接點3 7與内底面3 1 a進行彈性接觸，形成了前端部 與内定面相平行向左側壁3 1 c、右側壁3 1 e方向進行延伸的橫 長形狀的接點部37a、以及該接點部37a的圖示右端部如圖12 所示向上方彎曲的導向部37b。並且，第2臂部34c變成活動 接點，能與接點部37a進行連接和分離。 並且’彈黃支撐軸33把受扭螺旋彈簧34安裝在下部側，而 且把操作桿3 8支撐在上部側並使其轉動自如。該操作桿3 8具 有在操作前的初始狀態下位於外殼3丨外側的操作部38a，並形 成連結部38b，以便與彈簧支撐軸33所支撐的部分（無圖示）連 結在操作部38a的對面一側在收納部31b内，形成了能按壓 焚扭螺旋彈簧34的第2臂部34c的彈簧按壓部38c。 這種已有的開關裝置，在對操作桿38進行回轉操作前!The switching contact 37 is in elastic contact with the inner bottom surface 3 1 a, and forms a horizontally long contact portion 37 a extending in the direction of the left side wall 3 1 c and the right wall 3 1 e parallel to the inner fixed surface, and The right end portion of the contact portion 37a in the figure is a guide portion 37b bent upward as shown in FIG. In addition, the second arm portion 34c becomes a movable contact, and can be connected to and disconnected from the contact portion 37a. Furthermore, the 'elastic support shaft 33' mounts the torsion coil spring 34 on the lower side, and supports the operation lever 38 on the upper side so that it can rotate freely. The operation lever 38 has an operation portion 38a located outside the housing 3 in an initial state before operation, and forms a connection portion 38b so as to be connected to a portion (not shown) supported by the spring support shaft 33 on the operation portion 38a. On the opposite side, a spring pressing portion 38c capable of pressing the second arm portion 34c of the torsion coil spring 34 is formed in the storage portion 31b. Before this existing switch device, before the rotary operation of the operation lever 38!
初始狀態下，如圖10所示，操作部38a位於外殼31的外部 並且，受扭螺旋彈簧34的第2臂部34c位於底板3丨4的内： 面31a上，平常與操作桿38的^簧按壓部38e進行彈性接觸 一在=操作桿38進行回轉操作前的初始狀態下，如圖η〗 不’第2臂部34c離開切換接點37，變成開關切斷狀能。 當從該狀態對操作桿38的操作部38a施加箭頭八方向的> ^力時，如圖12所示，彈簧按壓部38c按箭頭β方向按壓第 臂部3 4 c。 84738 587266 於是，第2臂部34c由導向部3713進行引導，接點部37a被推 向2點劃線所示的上方，第2臂部34〇在内定面3“和接點部 3 7a之間進行滑動，切換到開關導通狀態。 並 ^作桿3 8的操作邵3 8 a如圖11所示，當鐵進到收納 部31b内時’變成全行程狀態，操作㈣停止回轉。當從該 全行程狀態解除加在操作桿38上的箭頭A方向的操作力時 ’在焚扭螺旋彈簧34本身的彈力作用下，第2臂部*脫離切 換接點37,同時，操作桿38也恢復到圖1()所示的初始狀態 ，從而切換到開關切斷狀態。 但是，上述已有的開關裝置，作為活動接點的第2臂部34c 與切換接點37的接點部37a進行單側接觸，所以，當灰塵等 侵入到接觸部分内時會造成接觸不穩定。 ^且^使操作桿38進行回轉，第2臂部％在内底面… 上以時，内定面3U受到第2臂部％的磨擦而産生碎屑， 孩碎屑會造成接點部37a和第2臂部34。接觸不良。 成外敗3 1和盍子35，裝配時分別進行 蓋子35安裝到外殼31上時的位置誤 ，斤以’由於把 接點37的接點部3〜位置偏移，虚第^ /、因’會造成切換 開關接通位置產生誤差。 °卩34〇的接觸位置即 【發明内容】 本發明是鑒於上述問題而提出的，目 e 提高開關接通時的接觸穩定性， 处=於提供一種能 誤差的構件數量少的薄型開關裝置且㈣輕開關接通位置 84738 587266 作為解決上述問題的第丨解決手段，本發明的開關裝置之 特徵在於具有：具有收納部的外殼，並排地設置在上述收 納部内互相間絕緣的固定接點和切換接點、在上述收納部 内被支撐並能回轉操作的操作桿、以及對該操作桿施加回 轉=復力的受扭螺旋彈簧，該受扭螺旋彈菁具有繞組部以 及從該繞組部的兩端按照規定的開放角度並向同一方向延 伸的自由端狀的第1、第2臂部， ，上，受扭螺旋彈簧’平常使上述第！臂部與上述固定接點 進行彈性接觸，而且，上述第2臂部與上述操作桿的抵接部 進行彈性接觸， 上述切換接點具有形成夾子狀而互相對置的—對接點部 ’當對上述操作桿進行回轉操作時，上述第2臂部與上述一 對，點β進仃接觸或分離’而且能在上述一對接點部之間 在彈性接觸夾持狀態下進行滑動。 .再者，作為解決上述問題用的第2解決手段，其特徵在於 .，並-排地設置在上述收納部内的上述固定接點和上述切換 接點’其—部分被埋設在上述外殼㈣成-個整體。 並^，作為解決上述問題的第3解決手段’其特徵在於： 作桿由形成在上述收納部内的支撐部進行支撐並能 如，而JL，把上述受扭螺旋彈簧的上述繞組部收納 在上述支撐部周圍所形成的彈簧收納部内。 上f乍為解決上述問題的第4解決手段，其特徵在於： 面相平行的棒長二1: 述收納部内底 ^ 形狀，以弹性接觸狀態被上述一對接點部 84738 587266 夾持的上述受扭螺旋彈簧的上 面相平行的方向上進行滑動。川部’能在與上述内底 上：二::t解決上述問題的第5解決手段，其特徵在於： k外又的上述收納部相對 支杈上述操作桿的上述支撐 ί5和上述切換接點之間处 【實施方式】 連…泉 <體上形成對稱狀態。 以下用圖1〜圖8來表示本發明的—實施方式。圖^是本發 明的一實施方式的開關裝置的分解立體圖，圖2、圖3是說 明其内邵的俯視圖，圖4是關於本發明的固^接點和切換接 點的分解立體圖’圖5是本發明的開關裝置的主要部分斷面 圖，圖6〜圖8是說明本發明_關裝置的動作的主要部分斷 面圖。 首先，本發明的開關裝置，如圖丨所示，在最下部設置由 樹脂材料等絕緣材料構成的外殼丨。該外殼丨從圖示的前側 和後側的外周部向上豎起，形成互相對置的第丨、第2側壁 1 a、1 b。在被該第1、第2側壁1 a、1 b夾持的部分内按規定深 度形成了大體上為矩形的收納部1 c。 並且，在第2側壁1 b的内面形成大體為台形的凹部1 d ,在 構成該凹部1 d的一邊的側面上，形成了能與下述操作桿5的 止動部5 h相抵接的止動面1 e。 再者，在收納部1 C的底面形成了具有内底面1 f的底板i g 。並且，在外殼1的第1、第2側壁la、lb的圖示左側的外面 ，形成了分別向外側突出的鈎部1 h、1 h，該鈎部1 h能與下 述的蓋子7的咬合（snap)孔7c咬合。 84738 -10- 並且’在第1側壁1 a的前側外面和第2側壁1 b的裏侧外面 形成了固定部lj，它能固定下述蓋子7的卡止爪7e。 再者，如圖5、圖6所示，在底板lg的裏面突出地形成了 2 個定位凸起lk、lk，利用該定位凸起lk能對本發明μ㈣ Λ门的開關 裝置在無圖示的裝置側的基板上進行定位。 並且，在底板1 g上在互相絕緣的狀態下用插入成形等方 法來埋設圖4所示的固定接點2和切換接點3。 也就是說，設置了並排設置在收納部1c内並通過插入成米 等方法而互相絕緣的固定接點2和切換接點3。 上述固定接點2如圖4所示，對一塊金屬板進行沖切，來 成平面狀的基部2a，對該基部2a的左右兩端部向上方彎曲形 成一對第1外部端子2b、2b。 並且，在圖示左側一邊的第1外部端子2b的旁邊，使舌片 狀的延伸部與基部2a相對置折回到内側，同時對折回到内側 的前端部側再次按角度α進行向上彎曲，形成接點部2〇。該 接點部2c的角度α形成比直角小的銳角狀。 再者’在另一邊的第1外部端子2b旁邊，在與接點部以相 對的一側，把舌片狀的延伸部折回到與基部2a相對的内側， 從而形成彎曲部2 d。 並且，在自接點部2c、彎曲部2d開始的基部2a上穿通形成 圖4所示的開口部2e。這種固定接點2通過插入成形等方法而 埋設到外殼1的底板1 g上，基部2a的表面從内底面丨f露出， 同時接點部2 c從第1側壁1 a露出到收納部1 c内。 再者，第1外部端子2b、2b的狀態是分別突出並在第1、 84738 -11 - 第2側壁1 a、1 b的外側而露出。 並且’與固定接點2相絕緣的切換接點3被埋設在埋設固 定接點2的底板1 g的對面。該切換接點3是對一塊金屬板進 行切口彎曲而形成，爲把平整狀的基部3 a連結到金屬板上用 的連結邵3 b、3 b形成在圖示的後方，該連結部3 b、3 b從第1 、第2側壁la、lb的圖示的左側外面向外部露出。 再者’依罪連接邵（無圖示）而與基部3 a相連接的平整狀的 接點形成部3c，彎曲返回形成橫長形狀，以便與基部3a的表 面互相重疊。 該接點形成部3c的左右方向的縱長方向的兩端部向上方 彎曲’形成一對第2外部端子3 d、3 d。 並且，基部3a和接點形成部3c利用插入成形等方法而被埋 設在底板lg内，第2外部端子3d、3d向第1、第2側壁la、lb 的外側突出’與第1外部端子2b、2b相絕緣並相鄰設置。 上述切換接點3形成從橫長形狀的接點形成部虹的大體中 央部起向前後方向延伸的第1、第2連結部3 e、3 ^。 上迷第1連結邵3e從接點形成部3()在前方一側向斜上方延 伸形成’在自&端狀的前端部在左右方向上形成了橫長形 狀的下方接點部3 g。 該橫長形狀的下方接點部3g具有_閱抑a & , 饲雖開收納邵丨c的内底面 1 f規足尺寸的間隙，形成與内底面丨？相平行的狀許。 並且，第2連結部3f從接點形成部3c的後方起向上方切門 豎起而形成’大體上㈣成U字形，在自由端狀的前端部: 按照與下方接點部3 g大體相同的長户而泌4 狄及向形成橫長形狀的上 84738 -12- 587266 万接點邵3h。该上万接點部3h按規定的彈力與下方接點部 3g進行彈性接觸。 再者，在接點形成部3c的縱長方向的2個部位上，形成矩 ㈣穿通孔3j、习，當在倒壁1g上插入形成切換接點3時使 树脂材料流人到穿通孔训，形成加固部分。 並且，切換接點3的下方和上方接點部3g、Μ如圖6所示 ’縱長方向的兩端部蠻曲成丁 士 、 、、、 崎1弓1^成下万和上方的傾斜狀，分別形 成導向部3 m、3 η。 在這種固定接點2和切換#點3埋入到外殼i内之前，各個 外4场子2d、3d延長形成在外面呈平整狀態，該平整狀的 外邙袖子2d、3d的前端部與一塊環狀金屬板相連結而形成 整體。在這種與—塊金屬板形成整體的狀態下，固定接點2 切換接點3分卿成接點部2。和—對接點部η。 然後’與環狀（h，)金屬板形成整體的固定接點2、切換接 點3’以插入成形方法用絕緣性樹脂材料埋設到外殼ι内。 X成插入成形後，切斷向外殼1的外部延伸的各個外 部端子…湖前端部，同日寺，把該外部端子2d、3d分別 向上方彎曲加工。 同時通過切斷伸出到外殼1的外部的連結部3b，能使固定 接點2和切換接點3互相絕緣並插入形成在外殼工内。 並且，《埋入到外殼1的底板ig内的固定接點2的開口部 2 e起，對外殼1進杆括λ 士、取# . * 插入成形時，同時按規定高度突出形成 圓柱形支撐部4。 在該支撐部4上’ #由樹脂材料等形成的絕緣性操作桿5 84738 -13 - 587266 進行軸支撐並使其能回轉自如。在上述操作桿5上形成能用 外殼1的支撐邵4進行軸支撐的、外形爲圓柱狀的軸支撐部 5a,在該軸支撐部5a的内部，形成了能插入外殼}的支撐部4 進行嵌合的支撐孔5 b。 並且，在軸支撐部5&的外周部，按規定寬度和深度形成了 由大體爲圓弧狀的溝槽而構成的彈簧收納部5c，在該彈簧收 納邵5c中可以收納下述的受扭螺旋彈簧6的繞組部μ。 再者，在操作桿5上形成了棒狀操作部5e，該操作部&在 形成了軸支撐部5a的一側的對面的方向上向圖示的左方向 上進行i、斜L伸。並且，支撐孔5 b插入外殼1的支撐部4而 甘人a的鉍作桿5，向操作邵56施加箭頭c方向的操作力，由 此能以支撐部4為回轉支點達到回轉自如。 並且，在構成收納部5c的圓弧狀周壁5d的圖示左側端部上 大出地形成了彈黃支撐部5f，以便對下述受扭螺旋彈簧6 的弟2臂物進行導向和支撐，同時，在彈簧支撐部“的下 部的啁壁5d上，形成能與受扭螺旋彈簧6的第2臂部㈣目抵接 的抵接部5g，該抵接部5§附近的彈簧收納部5c打開，能裝入 下述受扭螺旋彈簧6的第2臂部6c。 再者在彈只支杈邵5 f的相反一側，在操作桿5的外周部 内形成了在與彈簧支撐部5f相反的方向上突出的止動部5h 。並且，當支撐部4對操作桿5進行支撐時，操 部A與外❸的止動心相祕。 力止動 並且，構成操作桿5的彈簧收納部5(：的、圓狐狀周壁 圖不右側端部’在中途有切口’彈簧收納料的圖示的前侧 84738 -14- 被打開，能放置下述受扭螺旋彈簧6的第1臂部6b。 再者’能安裝在操作桿5的彈簧收納部5c内的受扭螺旋彈 簧6，具有··繞組部6a、以及從該繞組部6a的外周部按規定 的張開角度/3延長而形成的第1、第2臂部6b、6c。 這種受扭螺旋彈簧6，其繞組部6a的内徑側位於操作桿$ 的軸支撐部5a處，插入到彈簧收納部5c内時，筐 τ 吊丄臂邵6b從 彈簧收納部5c的圖示右側的開放部向操作桿5的外側突出， 第2臂部6c由彈簧支撐部5f支撐，向操作桿5的外側突出。 並且，在外殼1的上部，設置一種用於對敞開的收納部卜In the initial state, as shown in FIG. 10, the operation portion 38 a is located outside the housing 31 and the second arm portion 34 c of the torsion coil spring 34 is located inside the bottom plate 3 丨 4: On the surface 31 a, it is usually connected with the operation lever 38 The spring pressing portion 38e makes elastic contact. In the initial state before the lever 38 performs the turning operation, as shown in FIG. Η, the second arm portion 34c leaves the switching contact 37 and becomes a switch-off state. When a force in the eight directions of the arrow is applied to the operation portion 38a of the operation lever 38 from this state, as shown in FIG. 12, the spring pressing portion 38c presses the third arm portion 3 4c in the direction of the arrow β. 84738 587266 Then, the second arm portion 34c is guided by the guide portion 3713, the contact portion 37a is pushed upward as shown by the two-dot chain line, and the second arm portion 34 is located on the inner fixed surface 3 "and the contact portion 37a. Slide to switch to the switch on state. The operation of the lever 3 8 is shown in Figure 11. When the iron enters the storage portion 31b, it becomes a full stroke state, and the operation stops turning. When the full-stroke state cancels the operating force in the direction of arrow A applied to the operating lever 38, the second arm portion * is disengaged from the switching contact 37 under the elastic force of the torsion coil spring 34 itself, and the operating lever 38 is also restored. The initial state shown in FIG. 1 () is switched to the switch-off state. However, the existing switching device described above separately performs the second arm portion 34 c as the movable contact and the contact portion 37 a of the switching contact 37. Side contact, so when the intrusion of dust, etc. into the contact part will cause contact instability. ^ And ^ Rotate the operating lever 38, the second arm part% on the inner bottom surface ... The inner fixed surface 3U receives the second arm Debris is generated due to the friction of the part, and the contact part 37a and the second arm part 34 are caused by the little debris. Poor contact. Out of success 31 and cricket 35, the position of the cover 35 when it was mounted on the casing 31 was incorrect during assembly. The position of the contact portion 3 ~ of the contact 37 was misaligned. / 、 An error will occur due to the ON position of the diverter switch. ° 卩 34〇 The contact position is [inventive content] The present invention is made in view of the above problems, and aims to improve the contact stability when the switch is on. In order to provide a thin switch device with a small number of error-prone components and a light switch on position 84738 587266, as a first solution to the above problems, the switch device of the present invention is characterized by having a housing with a storage portion and side by side. A fixed contact and a switching contact are provided in the storage section, which are insulated from each other, an operation lever supported in the storage section and capable of rotating operation, and a torsion coil spring that applies rotation = complex force to the operation rod. Spiral springs have a winding portion and free end-shaped first and second arm portions extending in the same direction from both ends of the winding portion at a predetermined opening angle, and the upper and lower sides are twisted. The coil spring 'usually elastically contacts the first! Arm portion with the fixed contact, and the second arm portion makes elastic contact with the contact portion of the operation lever, and the switching contact has a clip shape and faces each other. -Butt joint part 'When the operation lever is rotated, the second arm part is in contact with or separated from the pair, point β, and can be held in elastic contact between the pair of contact parts. Furthermore, as a second solution for solving the above-mentioned problems, the fixed contact and the switching contact provided in the accommodating portion side by side are arranged side by side in a part thereof. The above-mentioned casing is integrated into a whole. As a third solution to solve the above-mentioned problem, it is characterized in that the operating rod is supported by a supporting portion formed in the receiving portion and can be used, and JL can turn the twisted spiral The winding portion of the spring is housed in a spring housing portion formed around the support portion. The first solution is the fourth solution to the above problem, which is characterized by: the length of the rods parallel to each other 2: the shape of the inner bottom of the storage portion ^, and the above-mentioned torsion held by the pair of contact portions 84738 587266 in an elastic contact state The upper surfaces of the coil springs slide in parallel directions. Kawabe's fifth solution to solve the above problems with the above insole: 2 :: t is characterized in that the storage section outside the k is opposite to the above-mentioned support of the operating lever and the above-mentioned switching contact. Everywhere [Embodiment] Even the spring < forms a symmetrical state on the body. Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 8. Fig. ^ Is an exploded perspective view of a switchgear according to an embodiment of the present invention, Figs. 2 and 3 are plan views illustrating its internal structure, and Fig. 4 is an exploded perspective view of a fixed contact and a switching contact of the present invention. Fig. 5 It is a sectional view of the main part of the switchgear of the present invention, and FIGS. 6 to 8 are sectional views of the main part for explaining the operation of the shut-off device of the present invention. First, as shown in FIG. 丨, the switchgear of the present invention is provided at its lowermost portion with a housing made of an insulating material such as a resin material. The casing erected upward from the outer peripheral portions of the front and rear sides shown in the figure to form second and second side walls 1 a and 1 b facing each other. A substantially rectangular accommodating portion 1c is formed at a predetermined depth in a portion sandwiched by the first and second side walls 1a, 1b. In addition, a substantially mesa-shaped concave portion 1 d is formed on the inner surface of the second side wall 1 b, and a stopper that can abut against the stopper portion 5 h of the operation lever 5 described below is formed on the side surface constituting one side of the concave portion 1 d. Moving surface 1 e. A bottom plate i g having an inner bottom surface 1 f is formed on the bottom surface of the storage portion 1 C. In addition, hook portions 1 h and 1 h protruding to the outside are formed on the outer surfaces of the left and right sides of the first and second side walls 1a and 1b of the housing 1, respectively. The snap hole 7c snaps. 84738 -10- Also, a fixing portion lj is formed on the front side outer surface of the first side wall 1a and the back side outer surface of the second side wall 1b, and can fix the locking claw 7e of the cover 7 described below. Furthermore, as shown in FIG. 5 and FIG. 6, two positioning protrusions lk and lk are formed prominently on the inside of the bottom plate lg. The positioning protrusions lk can be used to switch the μ㈣ Λ door switch of the present invention in an unillustrated manner. Position on the substrate on the device side. Further, the fixed contact 2 and the switching contact 3 shown in Fig. 4 are embedded in the base plate 1g by a method such as insert molding in a state of being insulated from each other. That is, a fixed contact 2 and a switching contact 3 which are arranged side by side in the housing portion 1c and are insulated from each other by a method such as insertion into a meter are provided. As shown in FIG. 4, the fixed contact 2 is punched out of a metal plate to form a flat base portion 2a. The left and right ends of the base portion 2a are bent upward to form a pair of first external terminals 2b, 2b. Then, beside the first external terminal 2b on the left side of the figure, the tongue-like extension portion is folded back to the inside opposite to the base portion 2a, and the front end portion folded back to the inside is bent upward again at an angle α to form Contact point 20. The angle α of the contact portion 2c is formed at an acute angle smaller than a right angle. Furthermore, next to the first external terminal 2b on the other side, on the side opposite to the contact portion, the tongue-shaped extension portion is folded back to the inside opposite to the base portion 2a to form a bent portion 2d. In addition, an opening portion 2e shown in Fig. 4 is formed through the base portion 2a starting from the contact portion 2c and the bent portion 2d. This fixed contact 2 is embedded in the bottom plate 1g of the casing 1 by insert molding or the like, and the surface of the base portion 2a is exposed from the inner bottom surface f, while the contact portion 2c is exposed from the first side wall 1a to the storage portion 1 c. In addition, the states of the first external terminals 2b and 2b protrude and are exposed outside the first side walls 84a-11 and the second side walls 1a and 1b, respectively. And, the switching contact 3 insulated from the fixed contact 2 is buried on the opposite side of the base plate 1g where the fixed contact 2 is buried. The switching contact 3 is formed by bending a metal plate with a cutout. The connecting portions 3 b and 3 b for connecting the flat base portion 3 a to the metal plate are formed at the rear of the figure. The connecting portion 3 b And 3b are exposed to the outside from the left outer side of the illustration of the first and second side walls 1a and 1b. Furthermore, the flat contact forming portion 3c connected to the base portion 3a according to the sin connection (not shown) is bent back to form a horizontally long shape so as to overlap the surface of the base portion 3a. This contact forming portion 3c is bent upward at both ends in the longitudinal direction in the left-right direction to form a pair of second external terminals 3d, 3d. In addition, the base portion 3a and the contact forming portion 3c are embedded in the base plate 1g by a method such as insert molding, and the second external terminals 3d and 3d protrude to the outside of the first and second side walls 1a and 1b and the first external terminal 2b. And 2b are insulated and arranged next to each other. The above-mentioned switching contact 3 forms first and second connecting portions 3e, 3 ^ extending from the generally central portion of the horizontally long contact forming portion rainbow to the front and rear directions. The first connection Shao 3e from the contact forming portion 3 () extends obliquely upwards from the front side to form a lower contact portion 3 g formed in a horizontally long shape in the left and right end portions. . The horizontally-shaped lower contact portion 3g has _read a a &, although the inner bottom surface of the container is opened and accommodated 1 c, a gap of sufficient size is formed to form the inner bottom surface? Parallel parallel Xu. In addition, the second connecting portion 3f cuts the door upward from the rear of the contact forming portion 3c to form a 'substantially U-shaped, front end portion of the free end shape: It is substantially the same as the 3 g of the lower contact portion. Changhu Erbi 4 Di and Xiangshan formed a horizontally long shape on the upper 84738-12-587266 million contacts Shao 3h. The tens of thousands of contact portions 3h make elastic contact with the lower contact portions 3g according to a predetermined elastic force. In addition, a rectangular through hole 3j is formed at two positions in the longitudinal direction of the contact forming portion 3c. When the switching contact 3 is formed on the inverted wall 1g, the resin material flows into the through hole. To form a reinforced part. In addition, as shown in FIG. 6, the lower and upper contact portions 3g and M of the switching contact 3 are splayed into the ends of the longitudinal direction, and the slopes of the upper and lower ends are slightly lower than the upper and lower slopes. Shape, forming guide portions 3 m and 3 η, respectively. Before the fixed contact 2 and the switching point 3 are embedded in the casing i, each outer 4d 2d, 3d is extended to form a flat state on the outside, and the front end of the flat outer sleeve 2d, 3d is a piece The annular metal plates are connected to form a whole. In such a state of being integrated with a metal plate, the fixed contact 2 is switched to 3 points to become the contact portion 2. And-butt joint portion η. Then, a fixed contact 2 formed integrally with the ring-shaped (h,) metal plate 2 and a switching contact 3 'are embedded in the housing 1 with an insulating resin material by an insert molding method. After X-shaped insert molding, each external terminal extending toward the outside of the casing 1 is cut off ... the front end of the lake, Tongri Temple, and the external terminals 2d and 3d are bent and processed upward. At the same time, by cutting the connecting portion 3b protruding to the outside of the case 1, the fixed contact 2 and the switching contact 3 can be insulated from each other and inserted into the case. In addition, "The opening 2e of the fixed contact 2 embedded in the bottom plate ig of the case 1 is inserted into the case 1 and includes λ 士, take #. * When inserting and forming, it protrudes at a predetermined height to form a cylindrical support. Department 4. An insulating operation lever 5 84738 -13-587266 made of a resin material or the like is supported on the supporting portion 4 so as to be able to rotate freely. A cylindrical shaft support portion 5a capable of being axially supported by the support 4 of the housing 1 is formed on the above-mentioned operation lever 5. A support portion 4 that can be inserted into the housing is formed inside the shaft support portion 5a. Fitting support hole 5 b. In addition, a spring receiving portion 5c having a substantially arc-shaped groove is formed at a predetermined width and depth on the outer peripheral portion of the shaft support portion 5 & The winding portion μ of the coil spring 6. Furthermore, a rod-shaped operation portion 5e is formed on the operation lever 5. The operation portion & extends i and obliquely L in the left direction as shown in the direction opposite to the side where the shaft support portion 5a is formed. In addition, the support hole 5b is inserted into the support portion 4 of the casing 1 and the bismuth of the Gan a is used as the lever 5. The operation force in the direction of the arrow c is applied to the operation shaft 56. Thus, the support portion 4 can be used as a fulcrum to achieve free rotation. In addition, an elastic yellow support portion 5f is formed on the left end of the circular arc-shaped peripheral wall 5d constituting the storage portion 5c to guide and support the second arm of the torsion coil spring 6 described below. At the same time, an abutment portion 5g capable of abutting on the second arm portion of the torsion coil spring 6 is formed on the lower wall 5d of the spring support portion ", and the spring accommodation portion 5c near the abutment portion 5§ When opened, the second arm portion 6c of the torsion coil spring 6 described below can be installed. Furthermore, on the opposite side of the spring branch 5f, an outer peripheral portion of the operating lever 5 is formed opposite to the spring support portion 5f. The stopper part 5h protruding in the direction of the direction. When the support part 4 supports the operation lever 5, the operation part A and the stopper of the outer cymbal are secret. The force is stopped and the spring accommodation part 5 constituting the operation lever 5 is secreted. (: The circular fox-shaped peripheral wall drawing does not show the right side end with a notch in the middle. The front side of the illustration of the spring storage material 84738 -14- is opened and the first arm portion 6b of the torsion coil spring 6 described below can be placed Furthermore, the torsion coil spring 6 that can be mounted in the spring accommodating portion 5c of the operation lever 5 includes a winding portion 6a, and The first and second arm portions 6b, 6c formed by extending from the outer peripheral portion of the winding portion 6a at a predetermined opening angle / 3. The torsion coil spring 6 has an inner diameter side of the winding portion 6a on the operating lever. When the shaft support portion 5a of $ is inserted into the spring accommodation portion 5c, the basket τ condolence arm 6b protrudes from the open portion on the right side of the spring accommodation portion 5c to the outside of the operation lever 5, and the second arm portion 6c is formed by The spring support portion 5f is supported and protrudes to the outside of the operating lever 5. In addition, a housing portion is provided on the upper portion of the housing 1 for the open storage portion.
上方進行覆蓋的蓋子7。該蓋子7由金屬板製成，其中具本 平整狀的基部7a，把該基部7a的圖示的，左端部向下方彎曲 形成第1側壁7b，在該第1側壁7b上形成了能與外殼丨的鈎奇 lh咬合固定的、形狀大體為矩形的一對咬合孔&、乃。 再者，把基部7a的前側端部和裏側端部向下方彎曲，八另, 形成第2側壁7d和卡止爪76。並且，卡止爪〜大體上形：臺 階狀’並能固定在外殼丨的固定部丨」上。Upper cover 7 is covered. The cover 7 is made of a metal plate, and has a flat base portion 7a. The left end portion of the base portion 7a shown in the figure is bent downward to form a first side wall 7b. An outer shell 7b is formed on the first side wall 7b. The hooks lh engage a fixed pair of bite holes &, which are generally rectangular in shape. Further, the front end portion and the back end portion of the base portion 7a are bent downward to form a second side wall 7d and a locking claw 76. In addition, the locking claws are generally shaped: stepped and can be fixed to the fixing portion 丨 ″ of the casing 丨.
這種結構的開關裝置的裝配方法，首先是把受扭螺旋彈 的繞組部㈣納和安裝到操作桿5的彈菁收納部㈣。於 是，受扭螺旋彈簧6的第2臂部6c由彈簧支撐部5f進行支撐， 與抵接邵5g相抵接。並且，受扭螺旋彈簧6，其第2臂部& :操作桿5的彈簧收納部九的抵接部化向外側突出，而且， 第1身# 6 b從操作桿5的圖示右側的敞開端部向外側突出。 2種安裝了受扭螺旋彈簧6的操作桿5，當支撐孔外插入 勺支松4 4而敢合時，如圖2所示，受扭螺旋彈簧&的 84738 -15-The assembling method of the switch device of this structure is to first receive the winding portion of the torsion helical bomb and attach it to the spring receiving portion ㈣ of the operating lever 5. Therefore, the second arm portion 6c of the torsion coil spring 6 is supported by the spring support portion 5f, and abuts against the abutment 5g. In addition, the torsion coil spring 6 has a second arm portion &: the abutment portion of the spring accommodating portion 9 of the operation lever 5 protrudes outward, and the first body # 6 b extends from the right side of the operation lever 5 in the figure. The open end protrudes outward. Two types of operating levers 5 with torsion coil springs 6 are inserted into the support hole when the spoon support is loose 4 4, as shown in FIG. 2, torsion coil springs & 84738 -15-
成本發明的開關裝置。 點邵2 c相抵接，第2臂部6 c與操 5 其操作邵5 e在箭頭D的順時針方向上受 使止動部5h與外殼1的止動面1 e相抵接。 狀怨的外殼1的上方蓋上時，蓋子7的咬合 鈎部lh咬合固定，同時蓋子7的卡止爪〜 定邵lj上，把蓋子7固定在外殼1上，裝配 操作。首先，在圖2、 點的受扭螺旋彈篑6， 以下說明按上述裝配方法裝配成的本發明的開關裝置的 圖ό所示的初始狀態下，作為活動接 平時其第1臂6b與固定接點2的接點部 2c相抵接，同時，第2臂部6c離開切換接點3的下部和上部的 接點部3g、3h，變成開關切斷狀態。 當從這種初始狀態，如圖3所示在操作桿5的操作部&上施 加箭頭c方向的操作荷重時，操作桿5抵消受扭螺旋彈簧6的 彈力，以支撐部4為回轉支點按照箭頭c的逆時針方向進行 回轉。 於是，止動部5h離開止動面le，同時受扭螺旋彈簧6的第i 、第2臂部6b、6c之間的開口角度α減小，第2臂部6c如圖7 所示，與下部和上部的接點部3g、扑的導向部3m、“進行 彈性接觸。這樣一來，開關進行切換，變成接通狀態。 當從該狀態進一步使操作桿5按箭頭C方向進行回轉時， 如圖8所示，受扭螺旋彈簧6的第2臂部6c由導向部3m、“進 行導向，位於一對接點部3g、3h之間。並且，一對垃科如 84738 -16 - ¥⑽第2臂部6e的作用下在上下方向上被擴大。 二’操作桿5的操作料與第2側壁化的外板相抵 =5停止轉動。在該操作桿5的全行程狀態下如圖8所示， 變成彈性接觸被线在—對接料km 狀怨’開關保持接通狀態。 、 時再:受1=操作桿5上的箭頭C方向的操作力被解除 針方==::6:力作用下，操作㈣ 始狀態，開關切換到切：^ 這種本發明的開關裝置，备 點的第2臂部㈣外周部= 在作爲活動接 ，接觸的狀態下進二:：與一對接點部3g 也於倍裳？辟j < 、， 所以，即使灰塵等侵入， 、 邙0和接點邵3g、3h的接觸保持穩定。 並且，第2臂部心在由金屬板構成的一對 :::滑動，，不會産生已有示例中說明的那種:： 砰屑等，能使接觸更加穩定。 量’實現小型化’同時能消除::接:: 並，，本發明的開關裝置，如圖2所示，外殼 „ 7成大^上對稱的狀態。因此，能共用主要構件外 被卜切換接點3和受扭螺旋彈菁6等，能裝 = 腳的順時針方向轉動的操作桿 、有犯在則 84738 17 /^66 【發明的效果】 如上所i，本發明的開關裝置，具有形成夹子狀，互相 #置的一對接點部，當對上述操作桿進行回轉操作時，上 述第2臂部與上述-對接點部進行接觸或分離，而且能在上 述-對接點部之間在彈性接觸夾持狀態下進行滑動，所以 1—與對接點部進行彈性接觸。 因此’即使灰塵等侵入外殼内_，也能使第2臂部和一對接 點部的接觸保持穩定。 並且’並排地設置在上述收納部内的上述固定接點和上 述切換接點，其一部分被埋設在上述外殼内形成-個整體 。所以能減少構件數量，提供裝配性良好㈣關裝置。 :::上述操作桿由形成在上述收納部内 上回轉自如，而且把上述受扭螺旋彈簧的上偷 ::1二述支撐部周圍所形成的彈菁收納部内，所以， :提供：：Γ疋彈黃裝入到操作桿内的狀態下進行裝配， 月匕挺仏谷易裝配的開關裝置。 納=底=刀換接點部的上述—對接觸部形成與上述收 對接點呻t ㈣榼長形狀，以彈性接觸狀態被上述一 =面Γ…受扭螺旋彈簧的上述第2臂部能在與 上江内展面相平行的方向上滑 板來形成—對接點部，對第”部/了所以’通過用金屬 復進行滑動，、仃㈣㈣和夾持，反 P4關裝置。丨要點部的磨損，能提供長壽命 Ώ爲吊2臂邵在-對接點部之間進行滑動期間開關 84738 處於接通狀態，所以 開關裝置。 能提供操作範圍寬 操作性良好的 yr敗的收納部相對於支撐 更丑 ，、〜W丄 < 保作桿的古上 切換接點之間的連結線，大體上形成對稱狀態牙部和 共用主要構件裝配出能使操作桿向左或向右進::，能 關裝置。 订知作的開 能適應各種變化的開關裝置 因此’能提供成本低 【圖式簡單說明】 圖1是本發明的一實施方式的開關裝置的分解立 圖2是說明圖1的内部的俯視圖。 k回。 圖3是說明圖1的内部的俯視圖。 圖4是關於本發明的固定接點和切換接點的分解立触 圖5是說明關於本發明的開關裝置的主要 二圖。 1刀婦f面圖。 圖6是說明關於本發明的開關裝置的動作 圖。· 王要部分斷 圖7是說明關於本發明的開關裝置 面圖。 的動作的主要部 分斷 圖 面圖 8是說明關於本發明的開關裝置的動作的 。 土要部分斷 圖9是已有的開關裝置的主要部分斷面圖。 圖1 〇是說明習知開關裝置的動作的俯視圖。 圖11是說明習知開關裝置的動作的俯視圖。 圖12是說明習知開關裝置的動作的主要部分斷焉固 【圖式代表符號說明】 84738 -19- 587266 1 外殼 1 a第1側壁 lb第2側壁 1 c 收納部 2 固定接點 2c 接點部 3 切換接點 3g下方接點部 3h上方接點部 4 支撐部4 5 操作桿 5 c 彈簧收納部 5 e 操作部 5"f彈簧支撐部 6 受扭螺旋彈簧 6 a 繞組部 6b第1臂部 6c第2臂部 7 蓋子 7c 咬合（snap)孔 7e 卡止爪 -20- 84738Invented switching device. The point 2c abuts, and the second arm portion 6c and the operation 5 are operated in a clockwise direction of the arrow D to cause the stopper 5h to abut against the stopper surface 1e of the housing 1. When the upper part of the case 1 is covered, the engaging hook portion lh of the cover 7 is engaged and fixed, and at the same time, the locking claws of the cover 7 ~ Ding Shao lj, the cover 7 is fixed to the case 1 and assembled. First, in the twisted spiral spring 6 of FIG. 2, the initial state shown in FIG. 2 of the switch device of the present invention assembled according to the above assembly method will be described below. When the first arm 6 b is fixed as a movable joint, it will be fixed. At the same time, the contact portion 2c of the contact 2 abuts, and at the same time, the second arm portion 6c leaves the lower and upper contact portions 3g and 3h of the switching contact 3, and enters a switch-off state. From this initial state, when an operation load in the direction of arrow c is applied to the operation portion & of the operation lever 5 as shown in FIG. 3, the operation lever 5 cancels the elastic force of the torsion coil spring 6, and the support portion 4 serves as a pivot point. Turn counterclockwise in the direction of arrow c. Then, the stopper portion 5h leaves the stopper surface le, and at the same time, the opening angle α between the i-th, second arm portions 6b, and 6c of the torsion coil spring 6 decreases, and the second arm portion 6c is shown in FIG. 7, and The lower and upper contact portions 3g, the flutter guide 3m, "make elastic contact. In this way, the switch is switched to the on state. When the operation lever 5 is further rotated in the direction of arrow C from this state, As shown in FIG. 8, the second arm portion 6 c of the torsion coil spring 6 is guided by the guide portion 3 m and is located between the pair of contact portions 3 g and 3 h. In addition, a pair of garbage sections such as 84738 -16-¥ ⑽ are enlarged in the vertical direction by the second arm portion 6e. The operation material of the two 'operation lever 5 is in conflict with the outer wall of the second side wall = 5 and the rotation is stopped. In the full-stroke state of the operating lever 5, as shown in FIG. 8, the elastic contact is held by the wire-butt-kilometer-like grudge switch, which remains on. , Hours: 1 = The operation force in the direction of the arrow C on the operation lever 5 is released by the needle side == :: 6: Under the action of the force, the switch is switched to the cut state: ^ The switch device of the present invention , The second arm part of the backup point, the outer peripheral part = In the state of contact as a movable contact, go to the next two :: 3g with a pair of contact parts is also good? Since j <, so, even if dust and other invasion, the contact between 邙 0 and the contact point 3g, 3h remains stable. In addition, a pair of ::: slides made of a metal plate at the center of the second arm does not generate the kind of ::: swarf and the like described in the previous example, which makes the contact more stable. The amount of "miniaturization" can be eliminated at the same time: :: 接 :: And, the switch device of the present invention, as shown in Fig. 2, the casing «7 is large and symmetrical; therefore, the main components can be switched outside the cloth. The contact 3 and the twisted spiral spring cyan 6 etc. can be fitted with a clockwise rotation of the foot. The offense is 84738 17 / ^ 66 [Effect of the invention] As described above, the switch device of the present invention has A pair of contact portions are formed in a clip-like shape, and the second arm portion is in contact with or separated from the -butt contact portion when the operation lever is rotated, and can be located between the -butt contact portion. The elastic contact slides in the clamped state, so 1—the elastic contact with the contact point portion. Therefore, 'even if dust or the like intrudes into the housing, the contact between the second arm portion and the pair of contact point portions can be kept stable.' Part of the fixed contact point and the switching contact point which are grounded in the accommodating part are buried in the casing to form a whole. Therefore, the number of components can be reduced, and a good assembly mechanism can be provided. ::: The above-mentioned operating lever by It is formed in the storage part to rotate freely, and the upper part of the torsion coil spring :: 1 is described in the elastic spring storage part formed around the support part, so: provides :: Γ ： 弹 黄 was loaded into the operation lever It is assembled in the internal state, and it is easy to assemble the switch device. It is easy to assemble the switch. Na = bottom = knife-changing contact part—the contact part forms a long shape with the contact point 收 t 呻, and is elastically contacted. The above-mentioned one = plane Γ ... The second arm portion of the torsion coil spring can be formed by sliding in a direction parallel to the upper surface of the upper side of the river. ,, 仃 ㈣㈣ and clamping, anti-P4 off device.丨 The wear of the main part can provide a long life. 吊 The switch 84738 is in the ON state during the sliding movement between the 2-arm contact and the butt joint part, so the switch device. It can provide a wide operating range, and the storage part with good operability is uglier than the support. The connection line between the old switching contacts of the Baozuo lever is generally formed in a symmetrical state. The main components are assembled to make the operating lever go left or right ::, and the device can be closed. A custom-made switch device capable of adapting to various changes can be provided at a low cost. [Brief description of the drawings] Fig. 1 is an exploded view of a switch device according to an embodiment of the present invention. Fig. 2 is a plan view illustrating the inside of Fig. 1. k back. FIG. 3 is a plan view illustrating the inside of FIG. 1. Fig. 4 is an exploded perspective view of a fixed contact and a switching contact according to the present invention. Fig. 5 is a main view illustrating a switching device according to the present invention. 1 knife woman f side view. Fig. 6 is a diagram illustrating the operation of the switching device according to the present invention. · Wang Yao is partially broken. Fig. 7 is a plan view illustrating a switchgear according to the present invention. The main part of the operation is shown in Fig. 8. Fig. 8 is a diagram for explaining the operation of the switching device of the present invention. Fig. 9 is a sectional view of a main part of a conventional switchgear. FIG. 10 is a plan view illustrating the operation of a conventional switching device. FIG. 11 is a plan view illustrating the operation of a conventional switching device. Fig. 12 is the main part of the conventional switch device that is broken. [Illustration of the representative symbols] 84738 -19- 587266 1 Housing 1 a 1st side wall lb 2nd side wall 1 c Storage section 2 Fixed contact 2c Contact Part 3 Switch contact 3g Below contact part 3h Above contact part 4 Support part 4 5 Operating lever 5 c Spring receiving part 5 e Operating part 5 " f spring support part 6 Torsion coil spring 6 a Winding part 6b First arm Part 6c 2nd arm part 7 cover 7c snap hole 7e locking claw-20- 84738