535181 A7 B7 五、發明説明（ 【發明所屬之技術領域】 (請先閱讀背面之注意事項再填寫本頁) 本發明是關於利用按壓動作，使圓頂形可動接點反轉 而進行接點接通/分離的按鈕開關，特別是關於使用於攜 帶用電子機器等的小型按鈕開關的構造。 【先行技術】 以往的的按鈕開關的結構是顯示於第5至7圖。第5 圖是按鈕開關的縱斷面圖；第6圖是環狀端子材的平面圖 ;第7圖是已經將環狀端子材埋設在殼體內的狀態之平面 圖。 以往的按鈕開關是由：具有收納部的方形殼體1 1 ; 經濟部智慧財產局員工消費合作社印製 被配設於此殼體1 1的收納部之中央固定接點1 2 a和周 邊固定接點1 2 b ;連接在此中央固定接點1 2 a和周邊 固定接點1 2 b上，且從前述殻體1 1側面導引出之外部 端子1 3 a 、1 3b ;在前述中央固定接點1 2 a和周邊 固定接點1 2 b的上方相對配設的可動接點1 4 ;以及被 配設在此可動接點1 4上，用於覆蓋前述收納部，並且被 被安裝在前述殼體11的上面之蓋15所構成。 前述殼體1 1是以合成樹脂等絕緣材料形成方形狀的 箱形，在內部具有大致呈圓形的收納部1 1 a。在此收納 部1 1 a的中央，表露於內底面而配設之由導電性金屬製 端子材所構成的中央固定接點1 2 a。在挾持此中央固定 接點1 2 a而相對的位置上，配設著相同地由導電性金屬 製端子材所構成的周邊固定接點1 2 b、1 2 b。 尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） ~ -4- 535181 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明説明（$ 在前述殻體1 1的側面上，形成朝外側突出的外部端 子1 3 a 、1 3 b，此外部端子1 3 a 、1 3 b是在前述 殼體1 1內，利用前述端子材來與前述中央固定接點1 2 a和周邊固定接點1 2 b相連接。又，前述外部端子1 3 a、1 3 b是形成面安裝型端子的結構。在連接於前述中 央及周邊固定接點1 2 a 、1 2 b的前述端子材的途中， 於前述殼體1 1內設置朝下方彎曲的彎曲部1 3 c ，使朝 前述外部端子1 3 a、1 3 b的基板之安裝面變成可進行 錫焊的高度。利用在前述端子材上設置彎曲部1 3 c ，調 整由殼體1 1側面導出的前述外部端子1 3 a 、1 3 b的 高度，使其降低。 前述可動接點1 4是以導電性金屬板形成圓盤狀，形 成從周緣部以預定角度豎立之裙部；接連此裙部之圓頂狀 鼓起部1 4 a。 當將前述可動接點1 4收納於前述收納部1 1 a內時 ，將前述可動接點1 4的周緣部抵接載置於配設在收納部 1 1 a的前述周邊固定接點1 2 b上。此時，前述圓頂形 鼓起部1 4 a和前述中央固定接點1 2 a互相離開，而開 關形成斷開狀態。 前述蓋1 5是以大致呈方形的樹脂薄板形成的，以作 爲按壓前述可動接點1 4的操作部來使用，並且，覆蓋前 述殼體1 1的收納部1 1 a而安裝於上面，來防止前述可 動接點1 4跳出、以及灰塵等的異物侵入到接點部內。 第6圖係顯不環狀端子材，在被連接於前述中央固定 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） ^^裝 „IT* (請先閱讀背面之注意事項再填寫本頁) 5- 535181 A7 B7 五、發明説明（\ 接點1 2 a和周邊固定接點1 2 b且被導引出到前述殼體 1 1外側的前述外部端子1 3 a、1 3 b的延伸出來側， (請先閱讀背面之注意事項再填寫本頁) 形成朝與前述外部端子1 3 a 、1 3 b相連接而呈正交（ 垂直）方向延伸的縱條部1 3 d。又’在與前述縱條部 1 3 d相連接而呈正交的方向，於端子材的橫向的外側位 置上形成連接條部1 3 e ，在此連接條部1 3 e上，以一 定間距形呈運送用的導引孔1 3 f 。在此導引孔1 3 f內 ’***未圖示的模具的導引銷，依次傳送環狀端子材進行 加工。 第7圖係顯示將環狀端子材埋設於前述殼體1 1內的 狀態。在前述殼體1 1的收納部1 1 a內底面上，前述中 央固定接點1 2 a和周邊固定接點1 2 b是在表露出的狀 態下被配設著。由此狀態，利用切斷由前述殼體1 1側面 引出的前述外部端子1 3 a、1 3 b延伸出來側，可獲得 單件的前述殻體1 1。 【發明所欲解決之課題】 經濟部智慧財產局員工消費合作社印製 但，在於前述的以往的按鈕開關結構中，由於在前述 殼體1 1中彎曲端子材，故，在對環狀的前述端子材進行 衝壓加工，形成前述外部端子，1 3 a、1 3 b和前述中央 固定接點1 2 a及周邊固定接點1 2 b時，由於防止構成 前述外部端子1 3 a、1 3 b的部分的彎曲加工量造成環 狀材料被拉長，故產生不在構成外部端子1 3 a、1 3 b 的部分而必須在環的橫向的外側位置上，設置前述連接條 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） —0 — 535181 A7 B7 五、發明説明（怎 1 3 e ，此部分必須使用寬廣的環材料，造成浪費材料， 無法降低成本的問題。 因此’考慮將從前述殼體1 1側面導引出的前述外部 端子1 3 a、1 3 b的導引出位置設定較低，形成能夠進 仃錫焊的尚度’且將殼體1 1內的端子材平坦化，但，產 生端子材下面的殼體1 1的壁厚減薄，在成形時樹脂流動 性不好，無法成形的問題。 又’產生· g開關進f了錫焊時，加到前述外部端子 1 3 a、1 3 b上的熱量傳送到端子材上，容易加到前述 中央固定接點1 2 a和周邊固定接點1 2 b上，使固定接 點周邊熔化，而接點位置產升變化，或者蓋1 5產生變形 的缺點。 因此，本發明的目的是在於··提供一種按鈕開關的結 構，該開關結構是解決前述問題點，可利用將環狀的端子 材的連接邊條製作成內邊條，縮小材寬度，來謀求減少材 料用量，並且減低錫焊時的熱量與焊劑的影響。 【用以解決課題之手段】 爲了解決前述課題，在本發明作爲第1手段，是一種 按鈕開關，其特徵爲： 包括：具有收納部的樹脂製殼體；與將平板狀金屬製 端子材埋設於前述殻體底部內，使一部分突出於前述收納 部的內底面上而形成之固定接點；與能與此固定接點相接 觸、分離之可動接點；以及與前述固定接點相連接，且從 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 衣-- f請先閑讀背面之注意事項再填寫本頁j -訂 經濟部智慧財產局員工消費合作社印製 535181 A7 B7 五、綮明説明（4 (請先閱讀背面之注意事項再填寫本頁) 前述殼體側面引出至外側的外部端子，在前述端子材上形 成貫通孔，通過此貫通孔連通上下面的樹脂連通，而將前 述端子材埋設到前述殼體底部內，並且，從前述殼體側面 引出前述外部端子，使其與被埋設的前述端子材形成同一 平面狀態。 又，作爲第2手段，其中，將前述貫通孔形成在埋設 於前述殼體底部的前述端子材的前述外部端子的引出部附 近。 又，作爲第3手段，其中，在埋設於前述殻體底部的 前述端子材的前述外部端子的引出部之由前述殼體底部所 埋設的前述端子材的前述外部端子引出部到前述固定接點 的突出部止之間，形成複數個貫通孔。 【發明之實施形態】 以下，將本發明的按鈕開關之實施形態顯示於第1圖 至第4圖。 經濟部智慧財產局員工消費合作社印製 在於圖中，殼體1是由合成樹脂等絕緣材料形成在內 部具有收納部1 a的方形且上面呈開口的箱形。在此殼體 1的收納部1 a的內底面中央處，配設由導電性金屬製端 子材構成的中央固定接點2 a ，該中央固定接點是在從端 子材中突出來而上面側露出的狀態下被配設的。在挾持此 中央固定接點2 a而相向的位置上，設置同樣由導電性金 屬製端子材構成的周邊固定接點2 b、2 b，該周邊固定 接點是從端子材中突出，而上面側露出的狀態下被配設的 本紙張尺度適用中國國家標準（ CNS ) A4規格（210X297公釐) -8- 535181 A7 B7535181 A7 B7 V. Description of the invention ([Technical field to which the invention belongs] (Please read the precautions on the back before filling out this page) The present invention relates to the use of pressing action to reverse the dome-shaped movable contact for contact contact On / off push-button switches, especially regarding the structure of small push-button switches used in portable electronic devices, etc. [prior art] The structure of a conventional push-button switch is shown in Figs. 5 to 7. Fig. 5 is a push-button switch Figure 6 is a plan view of a ring-shaped terminal material; Figure 7 is a plan view of a state in which the ring-shaped terminal material has been buried in a housing. Conventional push-button switches are made of: a square housing with a housing portion 1 1; Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, the central fixed contact 1 2 a and the peripheral fixed contact 1 2 b which are arranged in the storage part of the housing 1 1; connected to this central fixed contact 1 2 a and peripheral fixed contacts 1 2 b and external terminals 1 3 a and 1 3b led out from the side of the aforementioned housing 11; at the aforementioned central fixed contact 1 2 a and peripheral fixed contacts 1 2 b The movable contacts 1 4 opposite to each other are arranged above; And is arranged on the movable contact 14 to cover the accommodating portion and is constituted by a cover 15 mounted on the upper surface of the casing 11. The casing 11 is formed of an insulating material such as synthetic resin. A rectangular box shape has a substantially circular accommodating portion 1 1 a inside. The center of the accommodating portion 1 1 a is exposed on the inner bottom surface, and is fixed at the center by a conductive metal terminal material. Contacts 1 2 a. Peripheral fixed contacts 1 2 b, 1 2 b, which are also made of conductive metal terminal materials, are arranged at opposite positions holding the central fixed contact 1 2 a. Dimensions Applicable to China National Standard (CNS) A4 specification (210X 297 mm) ~ -4- 535181 Printed by A7 B7, Consumer Cooperatives of Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention ($ is on the side of the aforementioned casing 11 The external terminals 1 3 a and 1 3 b projecting from the outside. The external terminals 1 3 a and 1 3 b are in the housing 1 1 and are fixedly connected to the central fixed contact 1 2 a and the periphery by the terminal material. Points 1 2 b are connected. The external terminals 1 3 a and 1 3 b are formed. The structure of a mounting terminal. On the way to the terminal material connected to the central and peripheral fixed contacts 1 2 a and 1 2 b, a bent portion 1 3 c bent downward is provided in the housing 1 1 so that The mounting surfaces of the substrates of the external terminals 1 3 a and 1 3 b become a height that can be soldered. By providing a bent portion 1 3 c on the terminal material, the external terminals 1 3 derived from the side of the housing 11 are adjusted. a, 1 3 b to make it lower. The movable contact 14 is formed into a disc shape by a conductive metal plate, and forms a skirt portion erected at a predetermined angle from the peripheral edge portion; and a dome-shaped bulging portion 14a next to the skirt portion. When the movable contact point 14 is stored in the storage portion 1 1 a, the peripheral edge portion of the movable contact point 14 is placed in abutment on the peripheral fixed contact point 1 2 arranged in the storage portion 1 1 a. b on. At this time, the dome-shaped bulged portion 14a and the central fixed contact point 12a are separated from each other, and the switch is turned off. The cover 15 is formed of a substantially rectangular resin sheet to be used as an operation part for pressing the movable contact 14, and is mounted on the housing 11 to cover the housing part 1 1 a of the housing 11. Prevent the movable contact 14 from jumping out and foreign matter such as dust from entering the contact portion. Figure 6 shows the non-ring-shaped terminal material, which is connected to the above-mentioned central fixing. The paper size applies the Chinese National Standard (CNS) A4 specification (210X 297 mm) ^^ INST (Please read the precautions on the back first) Fill out this page again) 5- 535181 A7 B7 V. Description of the invention (\ contact 1 2 a and peripheral fixed contact 1 2 b and guided to the aforementioned external terminals 1 3 a, 1 outside the aforementioned casing 1 1 3 b extension side, (please read the precautions on the back before filling in this page) to form a vertical strip that extends in the orthogonal (vertical) direction connected to the external terminals 1 3 a and 1 3 b d. Also in a direction orthogonal to the vertical strip portion 1 3 d, a connecting strip portion 1 3 e is formed at a lateral outer position of the terminal material, and on this connecting strip portion 1 3 e, The guide holes 1 3 f for transportation are formed at a certain interval. A guide pin of a mold (not shown) is inserted into the guide holes 13 f, and the ring-shaped terminal material is sequentially transferred for processing. Fig. 7 shows that A state in which the ring-shaped terminal material is buried in the casing 11. On the inner bottom surface of the storage portion 1 1 a of the casing 11, the middle The central fixed contact 1 2 a and the peripheral fixed contact 1 2 b are disposed in a state of being exposed. In this state, the external terminals 1 3 a, which are led out from the side of the housing 1 1, are cut by cutting. 1 3 b is extended out to obtain the single-piece housing 1 1. [Questions to be solved by the invention] Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, but in the aforementioned conventional push button switch structure, The terminal material is bent in the housing 11. Therefore, the ring-shaped terminal material is press-processed to form the external terminal, 1 3 a, 1 3 b, and the central fixed contact 1 2 a and peripheral fixed contacts. In the case of 1 2 b, the ring material is not stretched due to the bending amount of the parts constituting the external terminals 1 3 a and 1 3 b. Therefore, the parts that do not constitute the external terminals 1 3 a and 1 3 b must be On the lateral outer position of the ring, the aforementioned connecting strips are set. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) — 0 — 535181 A7 B7 5. Description of the invention (how to 1 3e, this part must be used Broad ring material, causing Therefore, it is considered that the lead-out position of the external terminals 1 3 a and 1 3 b led out from the side of the housing 11 is set to be low. "Shangdu" and flattened the terminal material in the housing 11, but the wall thickness of the housing 11 below the terminal material was reduced, and the resin had poor fluidity during molding, which caused problems in molding. · When the g switch is soldered, the heat added to the external terminals 1 3 a and 1 3 b is transferred to the terminal material, and it is easy to add to the central fixed contact 1 2 a and peripheral fixed contact 1 2 b. On the other hand, the periphery of the fixed contact is melted, the position of the contact is changed, or the cover 15 is deformed. Therefore, an object of the present invention is to provide a structure of a push button switch that solves the foregoing problems. The connection edge strip of a ring-shaped terminal material can be made into an inner edge strip to reduce the width of the material. Reduce the amount of materials used, and reduce the heat and flux effects during soldering. [Means for Solving the Problems] In order to solve the aforementioned problems, as a first means in the present invention, a push button switch is characterized in that it includes: a resin case having a housing portion; and a flat metal terminal material embedded. A fixed contact formed in the bottom of the housing by protruding a part of the inner bottom surface of the storage portion; a movable contact capable of contacting and separating with the fixed contact; and connected with the fixed contact, And from this paper size, the Chinese National Standard (CNS) A4 specification (210X297 mm) is applicable.-F Please read the precautions on the back before filling out this page. J-Order printed by the Intellectual Property Bureau of the Ministry of Economic Affairs and Consumer Cooperatives 535181 A7 B7 V. Instruction (4 (Please read the precautions on the back before filling in this page) The external terminals that lead out to the outside of the side of the case, form a through hole in the terminal material, and connect the upper and lower resins through this through hole The terminal material is embedded in the bottom of the case, and the external terminal is drawn out from the side of the case, so that the external terminal and the terminal material are buried. It is in the same plane state. As a second means, the through-hole is formed near a lead-out portion of the external terminal of the terminal material buried in the bottom of the case. As a third means, the buried means is embedded. A plurality of through-holes are formed between the lead-out portion of the external terminal of the terminal material at the bottom of the housing from the lead-out portion of the external terminal of the terminal material buried at the bottom of the housing to the protruding portion of the fixed contact. [Embodiments of the invention] Hereinafter, the embodiments of the push button switch of the present invention are shown in Figs. 1 to 4. It is printed in the figure by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, and the casing 1 is made of synthetic resin. The insulating material is formed in a box shape with a receiving portion 1 a inside and an open top surface. A central fixing made of a conductive metal terminal material is arranged at the center of the inner bottom surface of the receiving portion 1 a of the housing 1. The contact 2 a is provided with the central fixed contact protruding from the terminal material and the upper side exposed. The central fixed contact 2 a is held while holding Peripheral fixed contacts 2 b and 2 b, which are also made of a conductive metal terminal material, are provided at the facing positions. The peripheral fixed contacts protrude from the terminal material and are arranged with the upper side exposed. Paper size applies to Chinese National Standard (CNS) A4 specification (210X297 mm) -8- 535181 A7 B7
五、發明説明（S 。又，在前述殼體1的相向的外側面上形成有向外側突出 的外部端子3 a、3 b。 前述外部端子3 a、3 b是在前述殼體1內利用前述 端子材，與前述中央固定接點2 a及周邊固定接點2 b相 連接者，此連接部3 c是未設置彎曲部’而形成同一平面 狀，且被埋設在則述殼體1底部。 又，在前述端子材的連接部3 C上’形成複數個貫通 於上下的貫通孔3 d。由於能利用形成此貫通孔3 d ’當 將前述端子材埋設於殼體1的底面內時’介由此貫通孔3 d使上下面的樹脂連通，故’當進行***成形時’樹脂通 過前述貫通孔3 d變得容易流通於前述殼體1的下面側’ 因而，不會發生短射（short shot)之虞，能精準度良好地 進行成形。 因此，在面安裝中’必須將外部V而子3 a 、3 b的局 度設定較焊錫厚度（約〇 · 1 m 111 )低’但因能將殼體1 的下面做成與此相對應的薄壁’在平坦狀態下將前述端子 材從殻體1的外側面向外引出’而形成前述外部端子3 a 、3 b，所以，不需要在前述外部端子3 a、3 b的引出 部設置彎曲部，且不需要在環狀材料的外側另行設置連接 邊條部，因而，能減小環材寬度，能達到削減材料。 又，由於前述貫通孔3 d之一是形成在埋設於前述殼 體1底部的前述端子材的前述外部端子3 a、3 b的引出 部附近，故，當進行焊接時，加諸到前述外部端子3 a、 3 b上的熱量受到前述端子材的貫通孔3 d所控制，不易 本紙張尺度適用中國國家標準（CNS ) A4規格（210x297公釐） (請先閱讀背面之注意事項再填寫本頁) ▼裝· 經濟部智慧財產局員工消費合作社印製 -9- 535181 A7 ___ B7 五、發明説明（、 — 傳達到前述中央固定接點2 a及周邊固定接點2 b側上， 因而，能減少樹脂受到焊錫熱量熔化使接點位置變動或下 述的圓柱變形等的影響。 又，由於將複數個前述貫通孔3 d形成在從埋設於前 述殼體1底部的前述端子材的前述外部端子3 a、3 b的 引出部至前述中央固定接點2 a及周邊固定接點2 b的突 出部間的複數個場所，故，能利用複數個前述貫通孔3 d 與被塡充在其內部的樹脂，來增長沿面距離，因而，能夠 減少焊劑上升。且，因當進行錫焊時加在外部端子3 a、 3 b的熱量的傳導是受到複數個貫通孔3 d所依次阻止， 所以能更確實地減低前述接點位置變動等焊之錫焊熱的影 響。 又，前述外部端子3 a、3 b是呈被焊接在未圖示的 電路基板的上面側而使用的面安裝型之端子結構，被配設 在前述殼體1的底面側附近，使前述外部端子3 a、3 b 之朝印製電路板的安裝面形成能夠進行錫焊的高度。 又，在前述殼體1的底面的四角部，形成具有底面與 間隙的凹部1 b，在此凹部1 b上，以露出下面側的狀態 配設前述外部端子3 a、3 b，在未圖示的電路基板上錫 焊前述外部端子3 a、3 b時，利用使焊錫繞到前述凹部 1 b內的外部端子3 a、3 b的下面側，以便確實地固定 〇 又，在前述殻體1的收納部1 a中’在前述周邊固定 接點2 b的設置位置的周圍形成凹槽部1 c ，用於防止在 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） (請先閱讀背面之注意事項再填寫本頁) 、v 一口 經濟部智慧財產局員工消費合作社印製 -10- 535181 Α7 Β7 五、發明説明（g $形時使此周邊固定接點2 b由前述殼體1的側壁離開後 樹脂覆蓋到周邊固定接點2 b上之情形。 (請先閱讀背面之注意事項再填寫本頁) 可動接點4是以導電性金屬板形成形成大致圓盤狀， 其形成從周緣部以預定角度豎立的裙部4 b ;與此裙部 4 b相連的圓頂狀鼓起部4 a ，此鼓起部4 a的頂部下面 成爲中央接點部。又，在前述可動接點4的周緣部上，形 成在直徑方向的相向的位置上向外突出的突出部（未圖示 )’此突出部是以前述裙部4 b的外周端爲突出基部，延 設成與前述殼體1的收納部1 a的內底面大致平行者。 前述突出部是當從未圖示的環材的連接邊條部上，將 複數個前述可動接點4分別切斷成單件時殘留在前述可動 接點4周緣部上的切斷殘留部分，利用設置連接邊條部， 能取得複數個前述可動接點4。又，當前述可動接點4被 收納到前述殼體1的收納部1 a內時，此突出部被配置在 前述凹槽部1 c內，防止對前述殼體1造成妨礙。 經濟部智慧財產局員工消費合作社印製 圓柱5是由合成樹脂等絕緣材料大體上形成圓柱狀。 在此圓柱5上，設置從前述殼體1的開口中突出來而用於 按壓操作之操作部5 a，在此操作部5 a的下面側，形成 向下方突出，且抵接於前述可動接點4的鼓起部4 a上面 而將可動接點4向下方按壓之按壓部5 b。又，在前述操 作部5 a的外周緣部上，形成當對前述圓柱5進行按壓操 作時，導引至前述殼體1的收納部1 a的內壁面的凸邊部 5 c 〇 當對前述圓柱5進行按壓操作時，利用前述凸邊5 c 本紙張尺度適用中國國家標準（CNS ) A4規格（210Χ297公釐） 11 535181 A7 B7 五、發明説明（4 (請先閱讀背面之注意事項再填寫本頁) 的下端部抵接於前述收納部1 a的底面周緣部上所形成的 臺階部1 d ，從而限制前述圓柱5進一步向內按入。又， 當前述圓柱5復位時，利用前述凸邊部5 c被卡止於固定 在前述殼體1的收納部1 a的開口部上面側的後述之蓋6 的內面，用以防止前述圓柱5向外跳出。 蓋6是由合成樹脂等絕緣材料大體上形成方形狀。在 此蓋6的中央，設置使前述圓柱5的操作部5 a突出的插 通孔。又，在方形的四角部上，形成用來與前述殼體1的 上面側所形成的未圖示之固定用的凸起相嵌合之嵌合孔。 利用將前述殻體1的凸起嵌合到此嵌合孔內，以衝壓等方 法進行鉚接，來將前述蓋6固定到前述殼體1的上面側。 經濟部智慧財產局員工消費合作社印製 第2圖是顯不環狀端子材，由帶狀金屬板所形成。在 此端子板的中央上，形成複數個前述中央固定接點2 a與 周邊固定接點2 b。在此中央固定接點2 a與周邊固定接 點2 b的兩側即短邊方向的上下，分別在同一平面狀上相 向平行地延設著設置複數個貫通孔3 d之連接部3 c。又 ，前述中央固定接點2 a和周邊固定接點2 b是從前述連 接部3 c朝上面側若干突出而形成的。 在利用前述連接部3 c來連接的另一端側，同樣地在 同一平面狀上形成前述外部端子3 a、3 b。在此外部端 子3 a、3 b的延伸側上，形成由朝與外部端子3 a、 3 b相連接而正交的方向上延伸的內邊條所構成之連接邊 條部3 e。利用此連接邊條部3 e來連接前述上下的連接 部3 c ，前述中央固定接點2 a和周邊固定接點2 b以一 本紙張尺度適用中國國家標準（CNS ) A4規格（210乂297^釐) -12- 535181 A7 __ B7 五、發明説明（ 定間隔相向配設。 (請先閱讀背面之注意事項再填寫本頁) 又，在前述連接邊條部3 e上，以一定間距形成傳送 用的導引孔3 f 。在此導引孔3 f內，***未圖示的模具 導引銷，而將環狀端子材依次進行傳送進行加工。 第3圖顯示將環狀端子材埋設到前述殼體1內的狀態 ，在前述殼體1的收納部1 a的內底面上，以露出的狀態 配設從前述連接部3 c上突出形成的前述中央固定接點2 a與周邊固定接點2 b。利用從此狀態，切斷從前述殼體 1側面引出的前述外部端子3 a、3 b的延伸側，即可獲 得單件的前述殼體1。 其次，說明前述結構的按鈕開關的動作。 如第1圖所示，在前述圓柱5未被按壓操作的狀態下 ，與前述可動接點4之前述裙部4 b的周緣部相向設置的 前述突出部4 c的突出基部是與前述周邊固定接點2 b、 2 b的上面相接觸，但圓頂形的前述鼓起部4 a處於和前 述中央固定接點2 a分離的狀態，開關形成切斷狀態。 經濟部智慧財產局員工消費合作社印製 當從此狀態以手指等對前述圓柱5進行按壓操作時， 則設置在前述圓柱5的操作部5 a下方的前述按壓突出部 5 b按壓前述可動接點4的鼓起部4 a頂部上面，而將此 鼓起部4 a朝下按壓。 此時，因前述可動接點4的鼓起部4 a被按壓到下方 ，於是，前述可動接點4是形成其前述鼓起部4 a向下方 反轉。因此，前述鼓起部4 a的頂部下面與前述中央固定 接點2 a相接觸，而前述周邊固定接點2 b、2 b與中央 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -13- 535181 A7 B7 五、發明説明（h 固定接點2 a導通，開關處於接通狀態。 (請先閱讀背面之注意事項再填寫本頁) 與此同時，利用形成在前述圓柱5的外周緣部上的前 述凸邊部5 c的下端部是抵接於前述收納部1 a內所形成 的前述臺階部1 d的上面部，形成止動器，來限制前述圓 柱5繼續壓入。 當從此狀態起解除對前述圓柱5的按壓力時，則前述 可動接點4的前述鼓起部4 a是以自身的彈力進行反轉， 而恢復到初期狀態，並且，受到此時的作用力，將前述圓 柱5向上按壓，而恢復到初期位置。此時，隨著前述鼓起 部4 a的反轉，前述鼓起部4 a的頂部下面由前述中央固 定接點2 a離開，開關變成切斷狀態。 經濟部智慧財產局員工消費合作社印製 若採用前述結構的話，由於將平板狀金屬製端子材埋 設到前述殼體1的底部，使一部分在前述收納部1 a的內 底面上突出，而形成前述中央固定接點2 a與周邊固定接 點2 b ，使前述外部端子3 a、3 b連接於前述中央固定 接點2 a與周邊固定接點2 b，從前述殼體1側面朝外側 引出，在前述端子材上形成貫通孔3 d，介由此貫通孔 3 d使上下面的樹脂連通，而將前述端子材埋設到前述殻 體1的底部，並且，在與被埋設的前述端子材呈相同的平 面狀態下，將前述外部端子3 a、3 b從前述殼體1側面 引出，所以，當將前述端子材埋設到殼體1的底面內時， 能介由前述貫通孔3 d使上下面的樹脂連通，在***成形 時，樹脂通過前述貫通孔3 d容易流入到前述殼體1的下 面側，因而不會産生短射，可提高成形精準度。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -14- 535181 A7 B7 五、發明説明（；|2 (請先閲讀背面之注意事項再填寫本頁) 乂，由於樹脂谷易流入到前述殼體1的下面側，故能 “則述威體1的下面做成薄壁，能在平面狀態下將前述端 子材從殻體1的外側面朝外引出，形成前述外部端子3 a 、3 b，因而，不需要在前述外部端子3 a 、3 b的引出 d上π又置彎曲ρβ ’且不需要在環材的外側另外設置連接邊 條部，能縮小環材寬度，進而可以削減材料用量。 【發明效果】 經濟部智慧財產局員工消費合作社印製 如上所述’由於本發明的按鈕開關包括：具有收納部 的樹脂製殼體；與將平板狀金屬製端子材埋設於前述殼體 底部內’使一部分突出於前述收納部的內底面上而形成之 固定接點；與能與此固定接點相接觸、分離之可動接點； 以及與前述固定接點相連接，且從前述殼體側面引出至外. 側的外部端子’在前述端子材上形成貫通孔，通過此貫通 子L連通_h下面的樹脂連通，而將前述端子材埋設到前述殻 ft JS部內’並且，從前述殻體側面引出前述外部端子，使 其與被埋設的前述端子材形成同一平面狀態，故，當將前 述端子材埋設到殻體的底面內時，可介由前述貫通孔使上 下面的樹脂連通，在***成形時，樹脂通過前述貫通孔也 很容易流入到前述殼體的下面側，因而不會産生短射，能 提尚成形精度。又，因能將前述殻體的下面加工成薄壁， 可在平面狀態下將端子材從殼體1的外側面向外引出，形 成外部端子，所以，不需要在前述外部端子的引出部上設 置彎曲部，不需要在環材的外側另外設置連接邊條部，因 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -15- 535181 A7 B7 五、發刊説明（）3 而可以縮小環材寬度，達到削減材料用量，降低成本。 (請先閱讀背面之注意事項再填寫本頁) 又，由於前述貫通孔形成在前述殻體底部所埋設的前 述端子材的前述外部端子的引出部附近，所以，當焊接時 ，加到前述外部端子上的熱量是受到前述端子材的貫通孔 所抑制，不易傳遞到前述中央固定接點和周邊固定接點側 ，因此，能減低樹脂被焊錫熱量熔化而使接點位置改變或 圓柱變形等的影響。 又，由於將前述貫通孔形成在從前述殼體底部所埋設 的前述端子材的前述外部端子的引出部到固定接點的突出 部止之間的複數個地方，故，利用複數個前述貫通孔及其 內部所充塡的樹脂，能增長沿表面距離，因此，能減少焊 劑上升。 【圖面之簡單說明】 第1圖是顯示本發明第1實施方式的按鈕開關的縱斷 面圖。 經濟部智慧財產局員工消費合作社印製 第2圖是顯示本發明的第1實施方式的按鈕開關的環 狀端子材的平面圖。 第3圖是顯示本發明的第1實施方式的按鈕開關的環 狀端子材被埋入殼內的狀態的平面圖。 第4圖是顯示本發明第1實施方式的按鈕開關的殼體 的底面圖。 第5圖是顯不以往的按紐開關的縱斷面圖。 第6圖是顯不以往的環狀端子材的平面圖。 本紙張尺度適用中國國家標準(CNS ) A4規格（210X297公釐） " -16- 535181 A7 B7 五、發明説明（h 第7圖是顯示以往的環狀端子材被埋入到殻體內的狀 態的平面圖。 (請先閲讀背面之注意事項再填寫本頁) 【圖號說明】 1…殼體 1 a…收納部 1 b…凹部 1 c…凹槽部 1 d…臺階部 2 a…中央固定接點 2 b…周邊固定接點 3 a、3 b…外部端子 3 c…連接部 3 d…貫通孔 3 e…連接邊條部 3 f…導引孔 4…可動接點 經濟部智慧財產局員工消費合作社印製 4 a…鼓起部（中央接點部） 4 b…裙部 5…圓柱 5 a…操作部 5 b…按壓突出部 5 c…凸邊部 6…蓋 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -17- 535181 A7 B7 五、發』月説明（k a…插通孔 (請先閱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 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -18-5. Description of the invention (S. In addition, external terminals 3a, 3b protruding outward are formed on opposite outer surfaces of the casing 1. The external terminals 3a, 3b are used in the casing 1. If the terminal material is connected to the central fixed contact 2 a and the peripheral fixed contact 2 b, the connecting portion 3 c is formed in the same plane without a bent portion, and is buried in the bottom of the case 1 In addition, a plurality of through holes 3 d penetrating the upper and lower sides of the connection portion 3 C of the terminal material are formed. Since the through holes 3 d can be used to form the terminal material when the terminal material is buried in the bottom surface of the housing 1. 'Because the through-hole 3 d communicates with the upper and lower resins,' when insert molding is performed ', the resin becomes easy to circulate through the through-hole 3 d to the lower side of the case 1'. (Short shot), can be formed with good accuracy. Therefore, in the surface mounting, 'the external V must be set to 3a, 3b locality is lower than the thickness of the solder (about 0.1 m 111)' However, the lower surface of the casing 1 can be made into a thin wall corresponding to this. In a flat state, the terminal material is drawn out from the outer surface of the housing 1 to form the external terminals 3 a and 3 b. Therefore, it is not necessary to provide a bent portion in the lead-out portion of the external terminals 3 a and 3 b. It is necessary to separately provide a connecting edge portion on the outer side of the ring material, so that the width of the ring material can be reduced and the material can be reduced. In addition, one of the through holes 3 d is formed in the aforementioned part embedded in the bottom of the case 1. Near the lead-out portions of the external terminals 3 a and 3 b of the terminal material, so when welding, the heat applied to the external terminals 3 a and 3 b is controlled by the through-holes 3 d of the terminal material, which is not easy. This paper size applies the Chinese National Standard (CNS) A4 size (210x297 mm) (Please read the precautions on the back before filling out this page) ▼ Printed · Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economy-9- 535181 A7 ___ B7 V. Description of the invention (, --- It is transmitted to the central fixed contact 2 a and the peripheral fixed contact 2 b side, so that the resin can be reduced by the heat of the solder to change the position of the contact or the deformation of the cylinder described below. In addition, the plurality of through holes 3 d are formed from the lead-out portions of the external terminals 3 a and 3 b of the terminal material buried in the bottom of the housing 1 to the central fixed contact 2 a and the periphery. Since there are a plurality of places between the protrusions of the contact 2 b, the creeping distance can be increased by using the plurality of the through holes 3 d and the resin filled therein, so that the flux rise can be reduced. The conduction of the heat added to the external terminals 3 a and 3 b during soldering is sequentially prevented by the plurality of through-holes 3 d. Therefore, it is possible to more reliably reduce the influence of the soldering heat such as the aforementioned change in the position of the contact. The external terminals 3 a and 3 b are surface-mounted terminal structures that are used by being soldered to an upper surface of a circuit board (not shown), and are arranged near the bottom surface side of the housing 1 so that the external The mounting surfaces of the terminals 3 a and 3 b toward the printed circuit board are formed to have a height capable of being soldered. In addition, recessed portions 1 b having a bottom surface and a gap are formed at the four corners of the bottom surface of the case 1. The recessed portions 1 b are provided with the external terminals 3 a and 3 b in a state where the lower surface is exposed. When soldering the external terminals 3 a and 3 b on the circuit board shown in the figure, the solder is wound to the lower side of the external terminals 3 a and 3 b in the recess 1 b to securely fix it. In the accommodating portion 1 a of 1 ', a groove portion 1 c is formed around the installation position of the aforementioned peripheral fixed contact 2 b to prevent the application of the Chinese National Standard (CNS) A4 specification (210X297 mm) to this paper size ( Please read the notes on the back before filling in this page), v Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs -10- 535181 Α7 Β7 V. Description of the invention (g $ Make this peripheral fixed contact 2 when the shape is b When the side wall of the housing 1 leaves, the resin covers the fixed contacts 2 b on the periphery. (Please read the precautions on the back before filling out this page.) The movable contact 4 is formed by a conductive metal plate to form a roughly disc shape. Its formation is erected from the peripheral portion at a predetermined angle Skirt portion 4b; a dome-shaped bulging portion 4a connected to this skirt portion 4b, and the top and bottom of this bulging portion 4a become a central contact portion. Moreover, on the peripheral portion of the movable contact 4, A protruding portion (not shown) protruding outward at a position facing in the diametrical direction is formed. This protruding portion is formed by using the outer peripheral end of the skirt portion 4 b as a protruding base portion and extending to the receiving portion of the casing 1. The inner bottom surface of 1 a is substantially parallel. The protruding portion is left on the movable contact 4 when a plurality of the movable contacts 4 are cut into a single piece from a connecting edge portion of a ring material not shown. The cutting residual portion on the peripheral portion can be provided with a plurality of the movable contacts 4 by providing a connecting edge portion. When the movable contacts 4 are accommodated in the accommodating portion 1 a of the housing 1, this The protruding portion is arranged in the recessed portion 1 c to prevent the housing 1 from being obstructed. The cylinder 5 printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs is formed into a substantially cylindrical shape by an insulating material such as synthetic resin. Here the cylinder 5 is provided for protruding from the opening of the casing 1 A pressing operation portion 5 a is formed on the lower side of the operation portion 5 a to protrude downward, and abuts on the swelling portion 4 a of the movable contact 4 to press the movable contact 4 downward. A portion 5 b is formed on the outer peripheral edge portion of the operation portion 5 a. A convex portion 5 c is formed to guide the inner wall surface of the housing portion 1 a of the housing 1 when the column 5 is pressed. 〇When pressing the cylinder 5 above, the convex edge 5 is used. C The paper size applies the Chinese National Standard (CNS) A4 (210 × 297 mm) 11 535181 A7 B7 V. Description of the invention (4 (Please read the Note that the lower end portion of this page is abutted against the stepped portion 1 d formed on the peripheral edge portion of the bottom surface of the accommodating portion 1 a to restrict the cylindrical column 5 from being pushed further inward. In addition, when the cylinder 5 is reset, the convex portion 5 c is locked to an inner surface of a cover 6 to be described later fixed to the upper surface of the opening portion of the housing portion 1 a of the housing 1 to prevent the cylinder. 5 Jump out. The cover 6 is formed in a substantially square shape from an insulating material such as a synthetic resin. An insertion hole is formed in the center of the cover 6 so that the operation portion 5a of the cylinder 5 projects. In addition, fitting holes are formed in the four corner portions of the square to be fitted into projections for fixing (not shown) formed on the upper surface side of the case 1. The cover 6 is fixed to the upper surface of the case 1 by fitting a protrusion of the case 1 into the fitting hole and riveting by a method such as punching. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Figure 2 shows a ring-shaped terminal material, which is formed by a strip-shaped metal plate. A plurality of the aforementioned central fixed contacts 2a and peripheral fixed contacts 2b are formed on the center of this terminal plate. On both sides of the central fixed contact 2a and the peripheral fixed contact 2b, i.e., up and down in the short-side direction, a connection portion 3c is provided in parallel with each other in the same plane to provide a plurality of through holes 3d. The central fixed contact 2a and the peripheral fixed contact 2b are formed by protruding slightly from the connecting portion 3c toward the upper side. On the other end side connected by the connection portion 3c, the external terminals 3a and 3b are formed in the same plane. On the extended sides of the external terminals 3a, 3b, a connecting edge portion 3e is formed which is formed by an internal edge extending in a direction orthogonal to the external terminals 3a, 3b. This connecting edge portion 3 e is used to connect the upper and lower connecting portions 3 c, the central fixed contact 2 a and the peripheral fixed contact 2 b to the Chinese paper standard (CNS) A4 (210 乂 297) ^^) -12- 535181 A7 __ B7 V. Description of the invention (arranged at opposite intervals. (Please read the precautions on the reverse side before filling out this page). Also, the connecting edge 3e is formed at a certain distance. Conveying guide hole 3f. In this guide hole 3f, a die guide pin (not shown) is inserted, and the ring-shaped terminal material is sequentially conveyed for processing. Fig. 3 shows the ring-shaped terminal material buried. In the state of the housing 1, the central fixed contact 2a protruding from the connecting portion 3c is arranged on the inner bottom surface of the housing portion 1a of the housing 1 in an exposed state and fixed to the periphery. Contact 2 b. With this state, the extended side of the external terminals 3 a and 3 b drawn from the side of the housing 1 is cut off to obtain the single-piece housing 1. Next, the push-button switch having the aforementioned structure will be described. As shown in Figure 1, the cylinder 5 is not pressed. In the operating state, the protruding base of the protruding portion 4 c which is opposite to the peripheral edge portion of the skirt portion 4 b of the movable contact 4 is in contact with the upper surfaces of the peripheral fixed contacts 2 b and 2 b, but is round. The top-shaped bulging portion 4a is in a state separated from the central fixed contact 2a, and the switch is in a cut-off state. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs When the cylinder 5 is pressed with a finger or the like from this state During operation, the pressing protrusion 5 b provided below the operating portion 5 a of the cylinder 5 presses the top of the bulged portion 4 a of the movable contact 4 and presses the bulged portion 4 a downward. At this time, since the bulged portion 4 a of the movable contact 4 is pressed downward, the movable contact 4 is formed so that the bulged portion 4 a is reversed downward. Therefore, the top of the bulged portion 4 a The following contacts the central fixed contact 2 a, and the aforementioned peripheral fixed contacts 2 b, 2 b and the central paper size apply the Chinese National Standard (CNS) A4 specification (210X297 mm) -13- 535181 A7 B7 V. Description of the invention (h fixed contact 2 a guide (Please read the precautions on the back before filling this page) At the same time, the lower end portion of the convex portion 5 c formed on the outer peripheral edge portion of the cylinder 5 is abutted on The upper surface of the stepped portion 1 d formed in the storage portion 1 a forms a stopper to restrict the cylinder 5 from continuing to be pushed in. When the pressing force on the cylinder 5 is released from this state, the movable connection is formed. The bulging portion 4 a at point 4 is reversed by its own elastic force, and is restored to the initial state. Further, upon receiving the force at this time, the cylinder 5 is pressed upward to return to the initial position. At this time, as the bulged portion 4a is reversed, the top and bottom surfaces of the bulged portion 4a are separated from the central fixed contact 2a, and the switch is turned off. If the above structure is adopted by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, the flat metal terminal material is buried in the bottom of the housing 1 so that a part of it protrudes on the inner bottom surface of the housing portion 1 a, thereby forming the aforementioned structure. The central fixed contact 2 a and the peripheral fixed contact 2 b connect the external terminals 3 a and 3 b to the central fixed contact 2 a and the peripheral fixed contact 2 b and lead out from the side of the casing 1 to the outside, A through-hole 3 d is formed in the terminal material, and the upper and lower resins are communicated through the through-hole 3 d. The terminal material is buried in the bottom of the housing 1, and the terminal material is embedded in the terminal material. In the same plane state, the external terminals 3 a and 3 b are drawn out from the side of the case 1. Therefore, when the terminal material is buried in the bottom surface of the case 1, it can be lifted through the through hole 3 d. The lower resin communicates, and during insert molding, the resin easily flows into the lower surface side of the housing 1 through the through hole 3d, so that short shots are not generated, and the molding accuracy can be improved. This paper size is applicable to Chinese National Standard (CNS) A4 specification (210X297 mm) -14-535181 A7 B7 V. Description of the invention (; | 2 (Please read the precautions on the back before filling this page) 乂It flows into the lower side of the case 1, so that the bottom of the body 1 can be made thin, and the terminal material can be drawn out from the outer side of the case 1 in a flat state to form the external terminal 3. a, 3 b. Therefore, it is not necessary to set π and bend ρβ ′ on the lead d of the external terminals 3 a and 3 b, and it is not necessary to additionally provide a connecting edge portion on the outside of the ring material, which can reduce the width of the ring material. The amount of material can be reduced. [Effect of the invention] The above-mentioned “because the push button switch of the present invention includes: a resin case with a housing portion; and a flat metal terminal material embedded in A fixed contact formed in the bottom of the casing by protruding a part of the inner bottom surface of the accommodating portion; a movable contact capable of contacting and separating with the fixed contact; and connected to the fixed contact The external terminal on the side leads to the outside. The external terminal on the side is formed with a through hole in the terminal material, and the resin under the through-hole L__h communicates with the terminal material, and the terminal material is buried in the case ft JS In addition, the external terminal is drawn from the side of the casing to form the same planar state as the terminal material that is buried. Therefore, when the terminal material is buried in the bottom surface of the casing, the through hole can be passed through the through hole. The upper and lower resins communicate with each other, and the resin can easily flow into the lower surface of the casing through the through-holes during insert molding. Therefore, short shots are not generated and the molding accuracy can be improved. Furthermore, the casing can be formed. The lower surface is processed into a thin wall, and the terminal material can be drawn out from the outer side of the housing 1 in a planar state to form an external terminal. Therefore, there is no need to provide a bent portion on the lead-out portion of the external terminal, and it is not necessary to form a ring material. A connecting edge section is additionally provided on the outside of the paper. Because this paper size applies the Chinese National Standard (CNS) A4 specification (210X 297 mm) -15- 535181 A7 B7 V. Publication instructions () 3 The width of the ring material can be reduced to reduce the amount of material used and the cost. (Please read the precautions on the back before filling this page.) Also, because the through-holes are formed in the external terminals of the terminal materials embedded in the bottom of the housing, Near the lead-out part, when welding, the heat applied to the external terminal is suppressed by the through hole of the terminal material, and it is not easy to be transmitted to the central fixed contact and the peripheral fixed contact. Therefore, the resin can be reduced. The influence of solder heat melting changes the position of the contact point or the deformation of the cylinder, etc. Also, the through hole is formed in the protruding portion from the lead-out portion of the external terminal of the terminal material embedded in the bottom of the housing to the protruding portion of the fixed contact point. There are a plurality of places between the two ends. Therefore, the use of a plurality of the aforementioned through holes and the resin filled therein can increase the distance along the surface, and therefore, the flux rise can be reduced. [Brief Description of the Drawings] Fig. 1 is a longitudinal sectional view showing a push button switch according to a first embodiment of the present invention. Printed by the Employees' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Fig. 2 is a plan view showing a ring-shaped terminal material of the push button switch according to the first embodiment of the present invention. Fig. 3 is a plan view showing a state where the ring-shaped terminal material of the push button switch according to the first embodiment of the present invention is buried in the case. Fig. 4 is a bottom view showing a housing of the push button switch according to the first embodiment of the present invention. Fig. 5 is a vertical sectional view showing a conventional button switch. Fig. 6 is a plan view showing a conventional ring-shaped terminal material. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) " -16- 535181 A7 B7 V. Description of the invention (h Figure 7 shows the state where the conventional ring-shaped terminal material was buried in the housing (Please read the precautions on the back before filling out this page) [Illustration of the drawing number] 1 ... case 1 a ... receiving part 1 b ... recess 1 c ... recess 1 d ... step 2 a ... fixed in the center Contact 2 b ... peripheral fixed contact 3 a, 3 b ... external terminal 3 c ... connection portion 3 d ... through hole 3 e ... connection edge portion 3 f ... lead hole 4 ... movable contact intellectual property bureau of the Ministry of Economic Affairs Printed by the employee consumer cooperative 4 a ... bulging part (central contact part) 4 b ... skirt part 5 ... cylinder 5 a ... operating part 5 b ... pressing protrusion 5 c ... convex edge part 6 ... cover paper size applicable to China National Standard (CNS) A4 Specification (210X 297 mm) -17- 535181 A7 B7 V. Issue "Monthly Description (ka ... through hole (please read the precautions on the back before filling this page)) Employees of the Intellectual Property Bureau of the Ministry of Economic Affairs The paper size printed by the consumer cooperative is applicable to the Chinese National Standard (CNS) A4 (210X 297 mm) -18-