200301028 A7 B7 五、發明説明（1) (發明所屬之技術領域） (請先閲讀背面之注意事項再填寫本頁) 本發明有關於用於嵌合連接之由一對公連接器及母連 接器所成之附鎖定機構連接器之上述母連接器之殻體之後 端開口部裝著了封構件之防水連接器。 (先前技術） 關於附鎖定機構連接器習用者已有種種型式，本發明 係特別對於，公連接器之殻體（公殼體）之外側面設有卡 止凸起母連接.器之殻體（母殻體）之外側面，即者可以彈 性變形之鉸鏈狀腳部設置卡合於上述卡止凸起之備有卡止 爪之鎖定臂，而自上述鉸鏈狀腳部而延伸於後方之上述鎖 定臂之後立，設有推壓操作桿而成之附鎖定機構連接器爲 其對象。 (發明所欲解決之問題） 經濟部智慧財產局員工消費合作社印製 如上所述之附鎖定機構連接器乃，在於形成於上述鎖 定臂之後端部之上述推壓操作桿與上述母殻體之外側面有 空隙，所以如汽車等狹窄之空間內交錯地配線有多數之電 線等時由別的梱包之電線而有不意地推動上述推壓操作桿 之外力發生作用而致使上述鎖定臂之從上述卡止凸起脫離 之虞，爲了防止此種不合宜之情形，在於上述母殼體上， 設置沿著上述鎖定臂之兩側之保護臂，或在上述鎖定臂及 上述卡止凸起之卡合部份，設置罩覆它之保護機構，惟上 述鎖定臂之推壓操作桿係以手指來操作者，因此該推押操 本紙張尺度適用中.國國家標準（CNS ) A4規格（210 X 297公釐） -5- 200301028 A7 B7 五、發明説明（2) 作桿之動作領域即成爲開放空間，因此可能發生在於上述 推壓操作桿與上述母殼體之外側面之間有其他梱之電線進 入而鉤掛於該處，不但對於配線作業有妨礙，而由上述鎖 定臂之變形破損而不能達成鎖定機構之職務，或使電線損 傷，構成斷線等連接不良之原因。 另一方面，爲了使此種附鎖定機構之連接器具備有防 水機能起見，在於上述母連接器與上述公連接器之嵌合部 份裝著封構件、又在於上述母殼體之後端開口部裝著封構 件，同時爲了卡止保持該封構件起見，在於上述母殼體之 後端開口部嵌裝了別體之後蓋殼體之防水連接器係習用（ 例如日本專利公報特開 200 1 - 1 85279號公報特開 200 1-196219 號）。 由於本發明係在於上述後蓋殼體上，設置活動狀態地 保護上述鎖定臂之推壓操作桿之保護手段，因此對於上述 推壓操作桿之操作不構成妨礙，而可提供可防止上述鎖定 臂之變形、破損之防水連接器爲目的。 (解決問題之手段） 爲了達成上述目的本發明乃：防水連接器乃於公連接 器之殻體（公殼體）之外側面設有卡止凸起，在於母連接 器之殼體（母殼體）之外側面，即介著可以彈性變彤之鉸 鏈狀腳部設置卡合於上述卡止凸起之，備有卡止爪之鎖定 臂，而自上述鉸鏈狀腳部而延伸於後方之上述鎖定臂之後 端部，設有推壓操作桿之附鎖定機構連接器中， 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' 訂 經濟部智慧財產局員工消費合作社印製 -6- 200301028 A7 B7____ 五、發明説明（3) (請先閲讀背面之注意事項再填寫本頁) 上述母連接器乃由：收容複數之母接點及封材之主體 殻體，及嵌裝於該主體殻體之後端開口部，而卡止保持上 述封構件之後蓋殼體所成， 於上述主體殼體之外側面設置上述鎖定臂， 於上述後蓋殼體上凸設，鄰接於上述鎖定臂之上述推 壓操作桿之後端部兩側地配設之保護柱體，在於上述保護 柱體之上端，設有用於規制上述推壓操作桿之活動範圍之 上限之卡止肩部爲其特徵。 如上述，在於保護柱上，設有上述卡止肩部時，對於 上述鎖定臂之操作完全沒有妨礙地，當對於上述推壓操作 桿有不意之外力之作用時，可以防止上述鎖定臂之變形、 破損。 又，在於上述保護柱體上設有，連設於上述卡止肩部 之後端，以資覆罩上述推壓操作桿之後兩角隅部之後側之 遮覆壁時，即以上述保護柱體圍罩上述推壓操作桿之後端 兩角隅之側方上方及後方之三方，所以確實地防止電線等 之纒絡於上述鎖定臂，因此更有效。 經濟部智慧財產局員工消費合作社印製 上述母接點係連接於電線端部之插口接點，在於上述 封構件與上述後蓋殻體上設有用於插通上述電線之插通孔 〇 上述電線乃水密狀地插通於上述封構件。 上述公殼體係被形成具有前面開口之中空部之直方體， 之箱形•複數之針狀接點係貫穿上述公殼體之後側壁而突 出於上述中空部地被收容，且在於上述中空部之內奧處嵌 ^紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐) 200301028 A7 B7 五、發明説明（4) 裝有備有令該針狀接點所插通之插通孔之封構件。 (請先閲讀背面之注意事項再填寫本頁) (發明之實施形態） 下面依附圖說明本發明之合宜之實施形態。 第1圖係表示本發明之附鎖定機構之防水連接器。該 防水連接器係由嵌合連接之一對公連接器1及母連接器2 所構成。 公連接器1乃，如第2圖、第3圖及第9圖所示，該 絕緣殻體（下面稱公殼體）1 0，係，以尼龍等之絕緣性樹 脂材料而被形成具備其前面開口於橫方向之中空部11之 直方體之箱形，而複數之針狀接點1 8係貫穿後側壁（底 壁）1 2而突出於中空部1 1之姿態地被組配。公殻體1 〇之 外側上壁面之中央，設置有，由朝前方朝下方向傾斜之針 面部1 4，及從該斜面部14之後端部而延伸於大致垂直下 方之肩部15所成之卡止凸起，於該卡止凸起13之兩側凸 設用於引導後述之母連接器2之鎖定臂33之引導凸條16, 16。又於公殻體10之後端兩側凸設有安裝用凸緣部17, 經濟部智慧財產局員工消費合作社印製 1 7。又於中空部11之內奧處嵌裝有設有用於插通針狀接 點18之插通孔56之封構件55 (參照第3圖）。 另一方面，從後側壁12延伸於後方之針狀接點18之 引導線部19係朝下方折彎大致直角之後，與安裝用凸緣 部17, 17 —齊安裝於印刷電路板60。 母連接器2乃，如第1圖、第2圖及第3圖所示，該 絕緣殼體（下面稱母殼體）20係由絕緣性樹脂材料所成型， 本紙張尺度適用中國國家標準（CNS ) A4規格（210X29*7公釐) '' " -8- 200301028 A7 _ B7 五、發明説明（5) (請先閱讀背面之注意事項再填寫本頁) 由收容插口接點（母接點）40及封構件42 (參照第6圖） 之主體殼體21，以及卡止保持該嵌裝於該主體殼體21之 後端開口部28之封構件42之後蓋殻體22所構成。 主體殼體21係具有嵌合於公殼體10之中空部11之 直方體之軀胴部23 (參照第3圖），在於該軀胴部23設有， 收容個叩地隔離壓接連接於電線4 1之端部之插口接點（ 母接點）40之複接之接點收容部24乃對應於針狀接點1 8 地貫穿於前後方向地被設置，由而卡合於凸設於其內壁之 體突條25而收容保持於規定之位置。在於軀胴部23之外 圍以規定之間隔地設有包圍該嵌合之公殼體10之外殼蓋 體2 6，同時在於軀胴部23之後端連設有角筒形狀之凸出 筒部27。該凸出筒部27之後端開口部28上，將嵌裝後 述之封構件42及後蓋殻體22。 再者，在於外殼蓋體26係開放有上面側之中央部份， 而沿著一定間隔地相一向之側緣部地凸設有後述之鎖定臂 33之保護壁29、 29。該保護壁29、 29之後端係連續 經濟部智慧財產局員工消費合作社印製 於凸設於凸出筒部27上面之卡合壁部30、30。又，保護 壁29、29之前端部係連結於覆罩板3 1之兩端。卡合壁部 30、30係具備凸出於內方之肩部。又於凸出筒部27之外 側上面及外側下面分別凸設二個卡止凸處32、32。 於軀胴部23及凸出筒部27之上面外側設置有扁平板 狀之鎖定臂33。該鎖定臂33係中間部位係凸設於軀胴部 23與凸出筒部27之境界部份之可以彈性變形之二支鉸鏈 狀腳部34、34，在其前端部具有卡合於公殼體10之卡止 本紙張尺度適用中國國家標準（CNS ) A4規格（210X：297公釐） -9 - 200301028 A7 B7 五、發明説明（6) 凸起13之鉤形之卡止爪35，在於鉸鏈狀腳部34、34而 延伸至凸出同部2 7之端近傍之後端部形成有推壓操作桿 36，以手指等推壓該推壓操作桿36，由而鎖定臂33係以 鉸鏈狀腳部3 4、3 4爲支點而活動，於是卡止爪3 5得於從 卡止凸起1 3脫離。又於該推壓操作桿3 6之後端兩側凸設 有凸出於橫外方之卡止耳片37、37 (參照第2圖）。 插口接點40係壓著連接於電線之端部，通過凸出筒 部27之後端開口部28而收容於各接點收容室24，卡合 於殼體突條25收容保持於規定位置。並且凸出筒部27之 後端開口部28係以嵌裝封構件42而水密狀地被封閉。 封構件42係如第6圖所示，由橡膠或其他適當之彈 性材料而形成爲可密接嵌合於後端開口部28之直方體，。 該水密狀地插通連接了插口接點40之電線4 1之插通孔 4 3係上下二層並列地被設置。 用於卡止保持嵌裝於後端開口部28之封構件42之後 蓋殻體22乃與主體殼體2 1同樣，由尼龍樹脂等之絕緣性 樹脂材料所成型。如第7圖及第8圖所示，備有密接狀態 地嵌合於後端開口部28之軀胴部45 (參照第3圖），在於 該軀胴部45之下二層並列地設置對應於封構件42之插通 孔43之電線插通孔46。而於連設於軀胴部45之後端之 蓋體47之周緣部份，設置嵌合於主體殻體21之凸出筒部 27之外殼體48。該外殼體48係隔著規定之間隔地形成於 軀胴部45之外周、延伸到蓋體47之下緣全體及兩側緣及 上緣之一部份。在該外殼體48之下面側及上面側分別設 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· 訂 經濟部智慧財產局SX消·費合作社印製 -10- 200301028 A7 B7 _ 五、發明説明（7) 有卡合於凸出筒部27之卡止凸起32，32之二個卡合孔49 、49 0 (請先閱讀背面之注意事項再填寫本頁) 另一方面，去除了外殼體48之蓋體47之上緣部凸設 有一對之保護柱體50 ' 50。各保護柱體50係具有在其上 端延伸於內方之卡止肩部51，及連設於該卡止肩部51之 後端，延伸至蓋體47之上緣之覆罩壁部52，而以保護柱 體50、卡止肩部51及覆罩壁部52來形成圍繞三方之凹 入部5 3。 經濟部智慧財產局員工消費合作社印製 於是如第1圖所示，將後蓋殼體22插入於主體殻體 21之後端開口部28而予以嵌裝時，上下二個之卡合孔49 係卡合於卡止凸起32而被支承固定。如第3圖所示卡止 保持嵌插於後端開口部28之封構件42，同時兩保護柱體 50、50係卡合於主體殼體21之卡合壁部30、30之內側， 鄰接地配置於鎖定臂33之推壓操作桿36之後部兩側、兩 卡止耳37、37係卡合於凹入部53，推壓操作桿36之活 動範圍之上限係由卡止肩部51所規制（限定），同時兩 卡止耳片37、37之後端側即由覆罩壁部52、52所覆罩。 所以其他梱之電線之纒絡於鎖定臂33之推壓操作桿36, 或不會有其他外力之作用於推壓操作桿36而使鎖定臂33 變形破損之虞。 另一方面推壓操作桿36之推壓操作係由保護柱體50 、50、卡止肩部51、51及覆罩壁部52、52而成爲沒有任 何妨礙。而如第4圖所示，以手指頭等而將推壓操作桿推 壓於下方時，鎖定臂33之先端部份係以鉸鏈狀腳部34、 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -11 - 200301028 A7 B7 五、發明説明（8) 34爲支點地傾動於上方，先端之卡止爪35係脫離公連接 器1之卡止凸起之卡合。 (請先閱讀背面之注意事項再填寫本頁) 第3表示公連接器1與母連接器2之嵌合連接之狀態 。嵌合部份係由封構件55所防止，母連接器2之主體殻 體21之後端開口部28係由封構件42所防水。 上述實施形態中，在於鎖定臂33之推壓操作桿36之 後端兩角隅部設置卡止耳片37、37爲例，惟不設此種卡 止耳片37、37，而將推壓操作桿36之後端兩角隅直接據 於保護柱體50之卡止肩部5 1之位置而使之卡合亦可以。 (發明之效果） 如上所述，依本發明時，由於在於凸設於後蓋殼體之 保護柱體上，設置了用於規制鎖定臂之推壓操作桿之活動 範圍之上限之卡止肩部，所以對於上述鎖定臂之操作不構 成妨礙，而可以防止對於上述推壓操作桿有不意之外力作 用時上述鎖定臂之變形破損之虞。 經濟部智慧財產局員工消費合作社印製 又依如申請專利範圍第2項之發明時，上述推壓操作 桿之後端兩角隅部之側方、上方、及後方之三方係由上述 保護柱體所圍繞，所以確實地防止其他電線梱之電線之纒 絡於上述推壓操作桿，更有效果。 圖式之說明 % 1圖係本發明之防水連接器之斜視圖。 第2圖係同上之防水連接器之平面圖。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -12- 200301028 A7 B7 五、發明説明（9) 第3圖係沿第2圖之3-3線之斷面圖。 第4圖係表示於同上防水連接器之鎖定臂之推壓操作 桿之動作狀態之放大斷面圖。 第5圖係表示同上防水連接器之母連接器殼體之斜視 圖。 。圖 圖 圖視 視 視斜。斜 斜之面之 之體側器 件殼斷結 構蓋縱連 封後央雄 之之中之 器器之器 接接體接 氧一 凡又 _一彐二 達連翹連 水水蓋水 防防後防 rx rr- rr- ΓΧ 同同同同 示示示示 表表表表 係係係係 圖 圖 圖 圖 6 7 8 9 第第第第 (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 符號之簡單說明 1···公連接器 24…接點收容部 41…電線 2···母連接器 25…殼體突條 4 2…封構件 10…公殻體 26···外殻蓋體 4 3…電線插通孔 1 1…中空部 27…凸出筒部 45…軀胴部 12…後側壁 28…後端開口部 46…電線插通孑L 13…卡止凸部 29…保護壁 47…蓋體 1 7…凸緣部 30…卡合壁部 50…保護柱體 18…接點 33…鎖定壁 5 1…卡止肩部 19…引線部 34…鉸鏈狀腳部 5 2…覆罩壁部 20…母殻體 3 5…卡止爪 5 3···凹入部 21…主體殼體 36…推壓操作桿 5 6…插通孔 22…後蓋殻體 37···卡止耳片 60···印刷電路板 23…軀胴部 40…插口接點 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -13-200301028 A7 B7 V. Description of the invention (1) (Technical field to which the invention belongs) (Please read the precautions on the back before filling out this page) The present invention relates to a pair of male and female connectors for mating connection A waterproof connector with a sealing member is installed at the rear end of the housing of the female connector with the locking mechanism connector. (Prior art) There have been various types of users of connectors with locking mechanisms, and the present invention is particularly directed to the housing of the male connector (male housing) provided with a locking convex female connector on the outer side. The outer side of the (female casing), that is, the hinge-shaped leg portion that can be elastically deformed is provided with a locking arm provided with a locking claw that engages with the locking projection, and extends from the hinge-shaped leg portion to the rear The above-mentioned locking arm stands behind and is provided with a connector with a locking mechanism formed by pressing the operating lever as its object. (Problems to be Solved by the Invention) The employee cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs printed the connector with a locking mechanism as described above, which is formed by the pressing operation lever formed on the rear end of the locking arm and the female housing. There is a gap on the outer side, so when a large number of wires are staggered in a narrow space such as a car, the other push-wires may inadvertently push the pushing lever to cause an external force to cause the lock arm to move from the above. In order to prevent the locking protrusion from detaching, in order to prevent such an unfavorable situation, the female housing is provided with protective arms along both sides of the locking arm, or the locking arm and the locking protrusion card. A protective mechanism covering the joint is provided, but the pushing operation lever of the locking arm is operated by fingers, so the paper size of this push manipulator is applicable. National Standard (CNS) A4 Specification (210 X 297 mm) -5- 200301028 A7 B7 V. Description of the invention (2) The operating area of the lever becomes an open space, so it may occur outside the above-mentioned push operation lever and the above-mentioned female housing There are other wires entering between the sides and hooking there, which not only hinders the wiring operation, but the deformation and damage of the locking arm can not fulfill the role of the locking mechanism, or the wires are damaged and the connection is broken, such as disconnection. The reason. On the other hand, in order to provide such a connector with a locking mechanism with a waterproof function, the fitting portion of the female connector and the male connector is provided with a sealing member, and the rear end of the female housing is opened. A sealing member is installed at the same time, and in order to lock and hold the sealing member, the waterproof connector of the rear cover shell is fitted with a separate body after the opening at the rear end of the above-mentioned female casing (for example, Japanese Patent Laid-Open No. 200 1) -No. 1 85279 Japanese Patent Laid-Open No. 200 1-196219). Since the present invention is provided on the rear cover housing, a protection means for urging the pushing operation lever of the locking arm is provided in a movable state, so the operation of the pushing operation lever is not hindered, and the lock arm can be provided to prevent the locking arm. The purpose is to deform or damage the waterproof connector. (Means for solving the problem) In order to achieve the above object, the present invention is: the waterproof connector is provided with a locking protrusion on the outer side of the housing (male housing) of the male connector, and the housing (female housing) of the female connector The outer side of the body is provided with a locking arm that engages with the locking protrusion through a hinge-shaped foot that can be elastically changed, and a locking arm with a locking claw is provided to extend from the hinge-shaped foot to the rear. In the rear end of the above locking arm, there is a connector with a locking mechanism provided with a pushing operation lever. This paper size applies to the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling this page. ) • Booklet printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs-6- 200301028 A7 B7____ V. Description of the invention (3) (Please read the precautions on the back before filling this page) The above female connector is made of: multiple The main contact of the female contact and the sealing material, and the opening formed at the rear end of the main casing, which is locked after the sealing member is held, and the lock is provided on the outer side of the main casing. Arm, at The protection cover is convexly arranged on the rear cover housing, and is arranged on both sides of the rear end of the pushing operation lever adjacent to the locking arm. The upper end of the protecting column is provided for regulating the pushing operation lever. The upper limit of the range of motion is characterized by the locking shoulder. As described above, when the locking shoulder is provided on the protection column, the operation of the locking arm is not hindered at all, and when an unexpected force is exerted on the pushing operation lever, the deformation of the locking arm can be prevented. , Broken. In addition, the protection pillar is provided on the rear end of the locking shoulder to cover the covering wall on the rear side of the two corners after the pushing operation lever. The enclosure is more effective because the sides of the two corners of the rear end of the pushing operation lever are above and behind the three, so that the wires and the like are prevented from being caught by the locking arm. The above-mentioned female contact is printed by the consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, which is a socket contact connected to the end of the electric wire. The sealing member and the rear cover shell are provided with insertion holes for inserting the electric wire. The sealing member is inserted in a watertight manner. The male housing is formed as a cuboid with a hollow portion opened in the front, and box-shaped / plural needle contacts are housed in the hollow portion penetrating through the rear side wall of the male housing, and are located in the hollow portion. The dimensions of the paper embedded in the office are applicable to the Chinese National Standard (CNS) A4 (210X297 mm) 200301028 A7 B7 V. Description of the invention (4) A seal equipped with a through hole for the needle contact to pass through member. (Please read the precautions on the back before filling out this page) (Embodiments of the invention) The following describes suitable embodiments of the invention with reference to the drawings. FIG. 1 shows a waterproof connector with a locking mechanism according to the present invention. The waterproof connector is composed of a male connector 1 and a female connector 2 which are mated and connected. The male connector 1 is, as shown in FIG. 2, FIG. 3, and FIG. 9. The insulating case (hereinafter referred to as a male case) 10 is made of an insulating resin material such as nylon. The box shape of the cuboid with the front opening in the hollow portion 11 in the horizontal direction, and a plurality of needle-like contacts 18 are arranged to penetrate the rear side wall (bottom wall) 12 and protrude from the hollow portion 11 1. The center of the upper wall surface on the outer side of the male casing 10 is provided with a needle surface portion 14 which is inclined forward and downward, and a shoulder portion 15 extending from a rear end portion of the inclined surface portion 14 and extending substantially vertically below. A latching projection is provided on both sides of the latching projection 13 with guide projections 16 and 16 for guiding a locking arm 33 of the female connector 2 described later. Mounting flanges 17 protrude from both sides of the rear end of the male housing 10, and are printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 17. A sealing member 55 (see Fig. 3) provided with an insertion hole 56 for inserting the needle-like contact 18 is fitted into the hollow portion 11 of the hollow portion 11. On the other hand, the guide wire portion 19 of the needle contact 18 extending from the rear side wall 12 to the rear is bent downward at a substantially right angle, and then mounted on the printed circuit board 60 together with the mounting flange portions 17, 17. The female connector 2 is, as shown in FIG. 1, FIG. 2 and FIG. 3. The insulating case (hereinafter referred to as the female case) 20 is formed of an insulating resin material. CNS) A4 size (210X29 * 7mm) '' " -8- 200301028 A7 _ B7 V. Description of the invention (5) (Please read the precautions on the back before filling this page) The receiving socket contacts (female connection (Dot) 40 and the main body case 21 of the sealing member 42 (refer to FIG. 6), and the rear cover case 22 that locks and holds the sealing member 42 fitted in the rear end opening 28 of the main body case 21. The main body case 21 is a trunk part 23 (refer to FIG. 3) having a cuboid fitted into the hollow part 11 of the male case 10. The socket contact point (female contact) 40 at the end of the electric wire 41 is provided in the front-rear direction corresponding to the needle-like contact 1 8 so as to be engaged with the convex setting. A body protrusion 25 on the inner wall is accommodated and held at a predetermined position. A shell cover 26 is provided at a predetermined interval around the trunk portion 23 so as to surround the fitted male housing 10. At the same time, a corner tube-shaped protruding tube portion 27 is connected to the rear end of the trunk portion 23. . A rear end opening portion 28 of the protruding cylindrical portion 27 is fitted with a sealing member 42 and a rear cover case 22 described later. In addition, the housing cover 26 is provided with a central portion on the upper side, and protective walls 29 and 29 of a locking arm 33 described later are protruded along side edges that face each other at a certain interval. The rear ends of the protective walls 29 and 29 are printed on the engaging wall portions 30 and 30 protruding from the protruding tube portion 27 by the consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The front ends of the protective walls 29, 29 are connected to both ends of the cover plate 31. The engaging wall portions 30 and 30 are provided with shoulder portions protruding inward. Two locking projections 32 and 32 are respectively provided on the upper side and the lower side of the outer side of the protruding tube portion 27. A flat plate-shaped locking arm 33 is provided outside the upper surface of the trunk portion 23 and the protruding tube portion 27. The locking arm 33 has two hinge-shaped leg portions 34 and 34 which can be elastically deformed at the boundary portion of the trunk portion 23 and the protruding tube portion 27 at the middle portion. The front end portion of the locking arm is engaged with the male shell. The locking of the body 10 applies the Chinese National Standard (CNS) A4 specification (210X: 297 mm) -9-200301028 A7 B7 V. Description of the invention (6) The hook-shaped locking claw 35 of the protrusion 13 is The hinge-like leg portions 34 and 34 extend to the end near the end of the same portion 27. A push operation lever 36 is formed at the end, and the push operation lever 36 is pushed with a finger or the like, so that the locking arm 33 is hinged. The leg portions 3 4 and 3 4 move as fulcrum points, and the locking claws 35 can be separated from the locking projections 13. Further, on both sides of the rear end of the pushing operation lever 36, locking ear pieces 37, 37 protruding outwardly are provided on the both sides (refer to FIG. 2). The socket contact 40 is crimped to the end portion of the electric wire, and is received in each contact accommodating chamber 24 by protruding from the rear end opening 28 of the cylindrical portion 27, and is held in a predetermined position by being engaged with the housing protrusion 25. Further, the rear end opening portion 28 of the protruding tube portion 27 is closed in a watertight manner by insert-fitting the sealing member 42. As shown in FIG. 6, the sealing member 42 is a rectangular parallelepiped which is formed by rubber or other appropriate elastic material and can be tightly fitted to the rear end opening 28. As shown in FIG. In this watertight manner, the insertion holes 4 3 of the electric wires 41 connected to the socket contacts 40 are arranged in parallel in two layers. The lid case 22 is formed from an insulating resin material such as a nylon resin in the same manner as the main body case 21 for locking and holding the sealing member 42 fitted in the rear end opening portion 28. As shown in FIG. 7 and FIG. 8, a trunk portion 45 (refer to FIG. 3) fitted to the rear end opening portion 28 in a tight state is provided. Correspondingly, two layers are arranged side by side below the trunk portion 45. A wire insertion hole 46 is formed in the insertion hole 43 of the sealing member 42. On the peripheral portion of the cover body 47 connected to the rear end of the trunk portion 45, a case 48 fitted to the protruding tube portion 27 of the main body case 21 is provided. The outer casing 48 is formed at a predetermined interval on the outer periphery of the trunk 45, and extends to the entire lower edge of the cover body 47, and to the side edges and the upper edge. On the lower side and upper side of the outer casing 48, the paper size is applicable. National Standard (CNS) A4 (210X297 mm) (Please read the precautions on the back before filling this page). Printed by the Ministry of Intellectual Property Bureau SX Consumers and Cooperatives -10- 200301028 A7 B7 _ V. Description of the invention (7) There are two locking holes 32, 32 which are engaged with the protruding tube portion 27 49, 49 0 (Please read the precautions on the back before filling this page) On the other hand, the upper edge of the cover 47 with the outer casing 48 removed has a pair of protective pillars 50 '50 protruding. Each protective cylinder 50 has a locking shoulder portion 51 extending from the upper end to the inside, and a covering wall portion 52 connected to the rear end of the locking shoulder portion 51 and extending to the upper edge of the cover body 47, and The protection pillar 50, the locking shoulder portion 51, and the cover wall portion 52 are used to form a concave portion 53 surrounding the three sides. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, as shown in Fig. 1, when the rear cover case 22 is inserted into the rear end opening 28 of the main body case 21 and fitted, the upper and lower engaging holes 49 are It engages with the locking protrusion 32, and is supported and fixed. As shown in FIG. 3, the sealing member 42 inserted into the rear end opening portion 28 is locked and held, and the two protective pillars 50 and 50 are engaged with the inside of the engaging wall portions 30 and 30 of the main body casing 21 and are adjacent to each other. The two locking lugs 37 and 37 are disposed on both sides of the rear of the pushing operation lever 36 of the locking arm 33 and are engaged with the recessed portion 53. The upper limit of the range of movement of the pushing operation lever 36 is determined by the locking shoulder 51. Regulation (restriction), while the two locking ears 37, 37 are covered by the covering wall portions 52, 52 at the rear end side. Therefore, the wires of the other wires are caught on the pushing operation lever 36 of the locking arm 33, or there may be no external force acting on the pushing operation lever 36 to deform and damage the locking arm 33. On the other hand, the pushing operation of the pushing operation lever 36 is performed without any hindrance by the protective cylinders 50, 50, the locking shoulder portions 51, 51, and the cover wall portions 52, 52. As shown in FIG. 4, when the pushing operation lever is pushed downward with a finger or the like, the front end portion of the locking arm 33 is a hinged foot portion 34. The Chinese paper standard (CNS) A4 Specification (210X 297mm) -11-200301028 A7 B7 V. Description of the invention (8) 34 tilts upwards as a fulcrum, and the locking claw 35 at the tip is engaged with the locking protrusion of the male connector 1. (Please read the precautions on the back before filling this page.) The third shows the state of the male connector 1 and the female connector 2 mating connection. The fitting portion is prevented by the sealing member 55, and the rear end opening portion 28 of the main body casing 21 of the female connector 2 is waterproofed by the sealing member 42. In the above embodiment, the locking lugs 37 and 37 are provided at the two corners of the rear end of the pushing lever 36 of the locking arm 33 as an example, but such locking lugs 37 and 37 are not provided, and the pushing operation will be performed. The two corners at the rear end of the rod 36 may be directly engaged according to the position of the locking shoulder 51 of the protection cylinder 50. (Effects of the Invention) As described above, according to the present invention, since the protection cylinder protruding from the rear cover housing is provided with the locking shoulder for regulating the upper limit of the movable range of the pushing operation lever of the locking arm Therefore, it does not hinder the operation of the lock arm, and can prevent the lock arm from being deformed and broken when an unexpected force acts on the push operation lever. When printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs and applying for the invention according to the second scope of the patent application, the three sides of the two corners of the rear part of the push lever, the upper part, and the rear part are covered by the protective cylinder. Because it is surrounded, it is more effective to prevent the wires of other wires from coming into contact with the above-mentioned pushing operation lever. Explanation of drawings% 1 is a perspective view of the waterproof connector of the present invention. Figure 2 is a plan view of the same waterproof connector. This paper size is in accordance with Chinese National Standard (CNS) A4 (210X297 mm) -12- 200301028 A7 B7 V. Description of the invention (9) Figure 3 is a sectional view taken along line 3-3 of Figure 2. Fig. 4 is an enlarged sectional view showing the operating state of the pushing operation lever of the locking arm of the waterproof connector as above. Fig. 5 is a perspective view showing a female connector housing of the waterproof connector. . Figure Figure Figure View View Angle. The oblique face of the body-side device shell broken structure cover vertical connection after sealing the middle of the male device of the device connector connector oxygen one and another_ 一 彐 二 达 Forsythia forsythia water cover water protection rear protection rx rr -rr- Γ × Same as the same, the same table is shown. The chart is the chart diagram. Figure 6 7 8 9 (Please read the precautions on the back before filling out this page) Staff Consumption of Intellectual Property Bureau of the Ministry of Economic Affairs Brief description of the printed symbols of the cooperative 1 ... Male connector 24 ... Contact receiving section 41 ... Electric wire 2 ... Female connector 25 ... Housing protrusion 4 2 ... Sealing member 10 ... Male housing 26 ... Housing cover 4 3 ... wire insertion hole 1 1 ... hollow portion 27 ... projecting tube portion 45 ... body portion 12 ... rear side wall 28 ... rear opening portion 46 ... wire insertion hole L 13 ... locking convex portion 29 ... protection wall 47 ... cover 1 7 ... flange portion 30 ... engaging wall portion 50 ... protection column 18 ... contact point 33 ... locking wall 5 1 ... engaging shoulder portion 19 ... lead portion 34 ... hinged leg portion 5 2 ... cover wall portion 20 ... female housing 3 5 ... locking claw 5 3 ... recessed portion 21 ... main body housing 36 ... push lever 5 6 ... insertion hole 22 ... Housing locking tab 37 ··· 60 23 ··· ... footer printed circuit board trunk portion 40 ... socket contacts apply the present paper China National Standard Scale (CNS) A4 size (210X 297 mm) -13-