200402910 (1) 玖、發明說明 【發明所屬之技術領域】 本發明是關於由嵌合連接的雌、雄一對電連接器所構 成的具備鎖緊機構之電連接器，詳細地說是關於由：具有 連接著複數電線的插座接觸器的插座連接器；及，配裝在 印刷配線板上可將上述插座連接器插脫自如嵌合連接的基 座連接器所構成的具備鎖緊機構之電連接器。 【先前技術】 此種具備鎖緊機構之電連接器，已知有例如：日本實 開昭5 4- 1 43 97號公報、美國專利第4,008,94 1號及美國專 利第4,3 7 6,5 65號說明書及圖面等所揭示，其構成爲在一 方的連接器殼兩側面上設有鎖緊臂，將設在該鎖緊臂前端 部上的鉤子卡合鎖緊於突設在另一方的連接器殼兩側面上 的卡止部，以按壓設在上述鎖緊臂後端部上的按壓操作部 來使上述鉤子從上述卡止部脫離而解除鎖緊。 【發明內容】 [發明欲解決之課題] 然而，如此般具備鎖緊機構之電連接器，當有不知所 以然的外力作用在上述鎖緊臂上時，上述鉤子的卡合就會 脫離，鎖緊恐泊會受到意外性解除。 另一方面，此種電連接器當中，尤其是針對高電壓應 對型的連接器，爲確保通電時的安全性就會有上述鎖緊臂 -4 - (2) (2)200402910 的卡合需確實的要求。 本發明是有鑑於上述問題而爲的發明，其目的在於提 供一種具備鎖緊機構之電連接器，其鎖緊臂的卡合即使脫 離，也能有效防止鎖緊受到意外性解除。 [用以解決課題之手段] 爲達成上述目的，本發明的特徵爲··其是由嵌合連接 的雌、雄一對電連接器所構成；在一方的連接器殻的兩側 面上，中介著可彈性變形的支撐片一體設有一對從其前端 部往後方延伸的鎖緊臂；上述鎖緊臂具有往外側方突出的 卡止凸部；另一方的連接器殻，具有上述一方連接器殼和 上述兩鎖緊臂可嵌合被收容在內的空間部，在該空間部的 內壁面設有上述卡止凸部要卡合的卡止部。 最好是構成爲：在上述一方的連接器殼的兩側面上， 突設有夾著上述鎖緊臂往外側方突出的防護片，於嵌合連 接時，上述防護片會抵接上述另一方的連接器殼前端面， 用目視就可確定嵌合連接狀態。 【實施方式】 以下根據圖面對本發明之最佳實施形態進行說日月。 第1圖至第3圖，是表示著根據本發明構成〜方連接 器的插座連接器1(參考第8圖及第9圖）的連接器殼， 即插座殼2。該插座殼2，是由絕緣性塑膠材料成型爲輪 廓形狀是扁平橫向長的矩形六面體，在兩端部平行設有接 (3) (3)200402910 觸器收容室3、3可各別收容已連接著電線4 1端部的插座 接觸器42 (參考第9圖）。如此般地將2個接觸器收容 室3、3大隔離，其原因是爲要使其可做爲高電壓用連接 器使用而將其構成爲插座接觸器42、42間的空間距離及 沿面漏電距離變大。於各收容室3、3內側壁設有卡合著 插座接觸器42的矛部43將插座接觸器42保持固定在收 容室3內的卡止凸部4。此外在各收容室3、3前壁設有 開口 5可***本發明另一連接器之基座連接器2 1的插銷 接觸益28。再者，鄰接著接觸器收容室3、3設有從插座 殼2前端面延伸至中央部位的2個缺口部6、6。該缺口 部6、6是爲卡合設在對方側下述之基座連接器2 1上的隔 間片25、25而設置，爲要防止逆嵌合其下半部是形成爲 具寬幅廣的階梯部7形狀。 於插座殼2的兩側面8、8上，中介著連設在該插座 殻2前端部可彈性變形的支撐片9、9配設有一對從插座 殻2前端部往斜外方向延伸至後端部的鎖緊臂1 〇、1 〇。 各鎖緊臂1 〇具有比插座殻2高度（厚度）還小的寬度， 於其中間部位外側面上，突設有往外側方突出的2個卡止 凸部1 1、U。此外，於各鎖緊臂1 〇後端部上，設有可將 鎖緊臂1 〇往內側位移的按壓操作部1 2。再者，於插座殻 2的兩側面8、8上，在各鎖緊臂1 〇後側部位，即在設有 卡止凸部1 1、1 1處還後側的部位上突設有夾著鎖緊臂！ 〇 往外側方突出的一對防護片1 3、1 3。該防護片1 3、1 3， 其功能如下：可防止其他的電線或其他雜物纏住鎖緊臂 -6- (4) 200402910 Η) ’或可防止外力作用在鎖緊臂1 〇上；用目視就可確 與下述另一方連接器的基座連接器2 1的嵌合連接狀態。 第4圖至第7圖，是表示著根據本發明構成另一方 接器的基座連接器2 1。該基座連接器2 1的連接器殼， 基座殼2 2，是形成爲前面側是開口的扁平箱形狀，具 上述插座連接器的插座殼2和兩鎖緊臂1 〇、] 〇前側部 可嵌合被收容在內的空間部2 3。於該空間部2 3中形成 要卡合於插座殼2缺口部6從後壁24突出成一體的2 1¾間片2 5、2 5 ’且在空間部2 3的兩內測壁2 6、2 6前 部份設有兩鎖緊臂1 〇、1 0的卡止凸部1 1、1 1所要卡合 卡止部2 7、2 7。此外，於兩隔間片2 5、2 5外側部位上 設有貫穿後壁24的插銷接觸器28、28。兩插銷接觸 2 8、2 8的接觸銷部2 9、2 9，是在空間部2 3內和基座 22平行朝前端開口部23a突出，往後壁24突出的引入 30、30是各自往外側橫向彎折延伸，又往下方彎折成 字形對下述印刷配線板4 0 (參考第8圖及第9圖）形 有焊接部3 0 a、3 0 a。再者，藉由從基座殼2 2的後壁 上下兩端往後方突出的延長壁31、32以及於該延長 3 1 ' 3 2間隔著橫向間隔連設著的複數隔間片3 3，使兩 銷接觸器2 8、2 8的引入部3 0、3 0間可確保有足夠的沿 漏電距離和空間距離以提高耐電壓性，使其形成爲能夠 止高電壓造成障礙的構成。圖中圖號3Λ，是表示嵌裝 基座殻22前端部兩側壁上的加強鐵件。 弟8圖及弟9圖’疋表不者具有上述構成之插座接 -Ί - 認 連 即 有 份 著 個 端 的 配 器 殼 部 L 成 24 壁 插 面 防 在 觸 (5) (5)200402910 器和基座連接器2 1的使用狀態。插座連接器1，是構成 爲連接在電線4 ]端部上的插座接觸器42是***在插座殼 2的接觸收容室3內，使插座接觸器42的矛部43是被卡 止於卡止凸部4使其保持固定在收容室3內。另一方面， 基座連接器2 1，是將插銷接觸器2 8、2 8的焊接部3 0a、 3〇a和加強鐵件34焊接在印刷配線板40上使其配裝在印 刷配線板40表面。 當將插座連接器1的插座殼2及兩鎖緊臂1 0、1 〇前 側部份通過基座殼22的前端開口部23a嵌插在空間部23 內時，插座殼2的缺口部6、6會卡合於隔間片2 5、2 5而 受到誘導，插銷接觸器2 8、2 8的接觸銷部2 9、2 9會從開 口 5、5進入收容室3、3內，使其嵌合於插座接觸器42 後接通電源。此時，兩鎖緊臂1 0、1 0是往內側，即是往 插座殼2的兩側面8、8側邊彈性變形邊被***。接著， k基座成22和兩鎖緊臂1〇、1〇被嵌插成正確的嵌合連接 位置時，兩鎖緊臂1 0、1 0的卡止凸部1 1、1 1會越過前端 開口部2 3 a側緣部份進入空間部2 3內，於同時以兩鎖緊 臂1 0、1 0的彈性復原力使卡止凸部1 1、n卡合於基座殼 22的卡止部27、27，使基座殻22和插座殼2被鎖緊。在 這同時插座殼2的防護片1 3、1 3會抵接於基座殼2 2前端 面’使兩連接器1、2 1的嵌合連接狀態得以用目視確認。 在如此般之兩連接器1·、2 1爲嵌合連接的狀態下，兩鎖緊 臂1 0、1 0的卡止凸部i丨、n是會在基座殼2 2的空間部 23內和卡止部27、27卡合著，所以因意外性外力作用造 -8- (6) (6)200402910 成卡止凸部1 1、】1從卡止部27、27脫離而使鎖緊解除的 危險性就會非常少。此外，藉由位置成夾著各鎖緊臂} 〇 的兩防護片1 3、1 3，能有效防止意外性外力作用於鎖緊 臂1 0上。 其次，當要從基座連接器2 1拔掉插座連接器1時， 是用手指夾住兩鎖緊臂1 0、1 〇的按壓操作部1 2、1 2使其 往兩側面8、8側彈性變形，將卡止凸部1 1、1 1從卡止部 2 7、2 7脫離而解除鎖緊後，把兩鎖緊臂1 〇、1 〇往後方移 動將插座殼2從基座殼22抽出。 另，當錯誤地要將插座連接器1的插座殼2以上下朝 向相反的姿勢***基座連接器2 1的空間部2 3內時，缺口 部6、6的階梯部7、7會頂到隔間片2 5、2 5前端面而阻 止插座殼2進入，因此就可事先防止逆嵌合發生。 [發明效果] 如以上所說明，根據本發明時，因設置在一方的連接 器殼（插座殼）兩側面上的鎖緊臂卡止凸部會卡合於設置 在另一方的連接器殼（基座殼）空間部內壁面上的卡止 部，使兩連接器殼被鎖緊，所以極少會發生因外力而造成 上述卡止凸部脫離上述卡止部使鎖緊被意外性解除。 此外，由於可藉由位置成夾著各鎖緊臂的防護片來阻 止外力作用於上述鎖緊臂上，所以能有效防！t鎖緊受到意 外性解除。 (7) (7)200402910 【圖式簡單說明】 第1圖爲根據本發明構成一方連接器（插座連接器） 的連接器殼透視圖。 第2圖爲根據本發明構成一方連接器（插座連接器） 的連接器殼正面圖。 第3圖爲第2圖中3 - 3剖線的剖面圖。 第4圖爲根據本發明構成另一方連接器（基座連接 器）平面圖。 | 第5圖爲根據本發明構成另一方連接器（基座連接 器）正面圖。 第6圖爲第5圖中6 - 6剖線的剖面圖。 第7圖爲第4圖中7 - 7剖線的剖面圖。 第8圖爲表示根據本發明之兩連接器嵌合連接狀態的 ' 透視圖。 第9圖爲第8圖主要部份的橫剖面圖。 [圖號說明] 1 :插座連接器 2 :插座殼 3 :接觸器收容室 8 :兩側面 9 :支撐片 1 0 :鎖緊臂 1 1 ··卡止凸部 -10 - (8) (8)200402910 1 2 :按壓操作部 1 3 :防護片 2 1 :基座連接器 22 :基座殼 23 :空間部 2 3 a :開口端部 2 4 :後壁 2 6 :內側壁 φ 2 7 :卡止部 2 8 :插銷接觸器 4 0 :印刷配線板 4 1 :電線 4 2 :插座接觸器 4 3 :矛部 -11 -200402910 (1) 发明. Description of the invention [Technical field to which the invention belongs] The present invention relates to an electrical connector with a locking mechanism, which is composed of a female and male electrical connector that is mated and connected. Specifically, it relates to: Socket connector having a socket contactor to which a plurality of wires are connected; and an electrical connection with a locking mechanism constituted by a base connector mounted on a printed wiring board, which can be detachably fitted and connected Device. [Prior art] Such an electrical connector having a locking mechanism is known, for example, Japanese Utility Model Publication No. 5 4- 1 43 97, U.S. Patent No. 4,008,94 1 and U.S. Patent No. 4,3 7 6 As disclosed in the description and drawings of No. 65 and No. 65, the lock arms are provided on both sides of one connector housing, and the hooks provided on the front end of the lock arms are engaged and locked to the protrusions. The locking portions on the both sides of the other connector shell press the pressing operation portion provided on the rear end portion of the locking arm to release the hook from the locking portion and release the locking. [Summary of the Invention] [Problems to be Solved by the Invention] However, for an electrical connector having a locking mechanism like this, when an unknown external force acts on the locking arm, the engagement of the hook is released and locked. Anxiety will be unexpectedly lifted. On the other hand, among this type of electrical connectors, especially for high-voltage-compatible connectors, the locking arm--(2) (2) 200402910 is required to ensure the safety during power-on. Exact request. The present invention has been made in view of the above problems, and an object thereof is to provide an electrical connector having a locking mechanism, which can effectively prevent the locking from being accidentally released even if the engagement of the locking arm is disengaged. [Means for Solving the Problems] To achieve the above-mentioned object, the present invention is characterized in that: it is composed of a female and male electrical connector that is fitted and connected; on both sides of one connector housing, The elastically deformable support piece is integrally provided with a pair of locking arms extending rearward from the front end portion thereof; the locking arm has a locking convex portion protruding outward; the other connector housing has the above-mentioned one connector housing A space portion to be accommodated can be fitted into the two locking arms, and an inner wall surface of the space portion is provided with a locking portion to which the locking convex portion is to be engaged. Preferably, it is configured that, on both sides of the one connector housing, protective pieces protruding outwardly with the locking arm sandwiched therebetween are protruded, and the protective piece abuts against the other side during the mating connection. The front end surface of the connector housing can be determined by visual inspection. [Embodiment] The following will describe the best embodiment of the present invention based on the drawings. Figures 1 to 3 show the connector shells of the socket connector 1 (refer to Figures 8 and 9) constituting the square connector according to the present invention, that is, the socket shell 2. The socket housing 2 is a rectangular hexahedron with an outline shape that is flat and horizontally long and is formed by insulating plastic material. The two ends are provided in parallel with each other. (3) (3) 200402910 The contactor accommodation chambers 3 and 3 can be individually separated. The socket contactor 42 (see Figure 9) is connected to the end of the electric wire 41. The reason why the two contactor accommodation chambers 3 and 3 are largely isolated in this manner is to make them a high-voltage connector and constitute the space distance between the receptacle contactors 42 and creepage. The distance becomes larger. A spear portion 43 that engages the socket contactor 42 is provided on the inner side wall of each of the storage chambers 3 and 3, and the socket contactor 42 is held and fixed in the receiving chamber 3 by a locking projection 4. In addition, an opening 5 is provided in the front wall of each of the storage chambers 3 and 3, and a pin contact 28 of the base connector 21 of the other connector of the present invention can be inserted. Adjacent to the contactor accommodation chambers 3, 3 are provided with two notch portions 6, 6 extending from the front end surface of the socket housing 2 to the central portion. The notches 6 and 6 are provided for engaging the partition pieces 25 and 25 provided on the base connector 21 described below on the counterpart side, and the lower half is formed to have a wide width to prevent reverse fitting. Wide stepped portion 7 shape. On both sides 8 and 8 of the socket shell 2, a pair of support pieces 9 and 9 which are elastically deformable and connected to the front end of the socket shell 2 are provided with a pair extending from the front end of the socket shell 2 obliquely outward to the rear end. The locking arms 10, 10 of the part. Each locking arm 10 has a width smaller than the height (thickness) of the socket housing 2, and two locking projections 11 and U protruding outwardly are provided on the outer surface of the middle portion. In addition, a pressing operation portion 12 capable of displacing the locking arm 10 inward is provided on the rear end portion of each locking arm 10. Furthermore, clips are protrudingly provided on both sides 8 and 8 of the socket housing 2 on the rear side of each locking arm 10, that is, on the rear side of the locking protrusions 11 and 11. Lock your arms! 〇 A pair of protective sheets 1 3, 1 3 protruding outward. The protective sheet 1 3, 1 3 has the following functions: it can prevent other wires or other sundries from becoming entangled with the locking arm-6- (4) 200402910 Η) 'or it can prevent external force from acting on the locking arm 10; The state of mating connection with the base connector 21 of the other connector described below can be confirmed visually. Figures 4 to 7 show the base connector 21 constituting the other connector according to the present invention. The connector housing of the base connector 21 and the base housing 22 are formed in a flat box shape with an open front side, and the socket housing 2 with the above-mentioned socket connector and the two locking arms 1 〇,] 〇 front side The part can be fitted into the space part 2 3 to be contained therein. In the space portion 2 3, 2 125 pieces 2 5 and 2 5 which are to be engaged with the notch portion 6 of the socket housing 2 and protrude from the rear wall 24 are formed, and two inner measuring walls 2 6 of the space portion 2 3 are formed. 2 6 The front part is provided with two locking arms 10 and 10, and the locking protrusions 11 and 11 are to be engaged with the locking parts 27 and 27. In addition, latch contactors 28, 28 penetrating through the rear wall 24 are provided on the outer portions of the two compartment pieces 25, 25. The contact pins 2 9 and 2 9 where the two pins contact 2 8 and 2 8 protrude parallel to the base 22 toward the front opening 23 a in the space 2 3 and the introductions 30 and 30 protruding toward the rear wall 24 are respectively The outer side is bent and extended laterally, and then bent downward to form a zigzag shape. The following printed wiring boards 4 0 (refer to FIGS. 8 and 9) have soldering portions 3 0 a and 3 0 a. Furthermore, with the extension walls 31, 32 protruding rearward from the upper and lower ends of the rear wall of the base case 22, and the plurality of compartment pieces 3 3 connected to the extension 3 1 '3 2 at a lateral interval, Ensuring that the lead-in portions 30 and 30 of the two-pin contactors 28 and 28 have sufficient creepage distance and space distance to improve the withstand voltage and make it a structure that can prevent obstacles caused by high voltage. The reference number 3Λ in the figure shows the reinforcing iron pieces fitted on both side walls of the front end portion of the base case 22. Figure 8 and Figure 9 '疋 indicates that the socket connector has the above structure -Ί-The connector shell part L with 24 ends is connected to the wall to prevent contact (5) (5) 200402910 device and The base connector 21 is in use. The socket connector 1 is configured to be connected to the end of the electric wire 4. The socket contactor 42 is inserted into the contact accommodation chamber 3 of the socket housing 2 so that the spear portion 43 of the socket contactor 42 is locked at the locking position. The convex portion 4 keeps it fixed in the accommodation room 3. On the other hand, the base connector 21 is formed by welding the soldering portions 30a, 30a and the reinforcing iron piece 34 of the pin contactors 28, 28 to the printed wiring board 40, and mounting the printed wiring board 40 thereon. 40 surface. When the socket housing 2 of the socket connector 1 and the two locking arms 10, 10 are inserted into the space portion 23 through the front opening 23a of the base housing 22, the cutout portions 6, 6 will be induced by being engaged with the compartment pieces 2 5 and 25, and the contact pin portions 2 9 and 2 9 of the pin contactors 2 8 and 2 8 will enter the accommodation chambers 3 and 3 through the openings 5 and 5 to make them After fitting the socket contactor 42, turn on the power. At this time, the two locking arms 10 and 10 are inserted to the inside, that is, to the sides 8 and 8 of the socket housing 2 while being elastically deformed. Next, when the k base 22 and the two locking arms 10 and 10 are inserted into the correct fitting connection position, the locking protrusions 1 1 and 11 of the two locking arms 10 and 10 will pass. The front opening portion 2 3 a side edge portion enters the space portion 23 and simultaneously engages the latching convex portions 11 and n with the base housing 22 with the elastic restoring force of the two locking arms 10 and 10 at the same time. The locking portions 27 and 27 lock the base case 22 and the socket case 2. At this time, the protective sheets 1 3, 1 3 of the socket shell 2 will abut against the front end surface of the base shell 2 2 ', so that the mating connection state of the two connectors 1, 21 can be visually confirmed. In such a state that the two connectors 1 ·, 21 are in a mating connection, the locking protrusions i 丨, n of the two locking arms 10, 10 are located in the space portion 23 of the base case 2 2 The inner part is engaged with the locking parts 27 and 27, so it is made by an unexpected external force. (6) (6) 200402910 The locking convex part 1 1] is released from the locking parts 27 and 27 to make the lock. The danger of tight lifting is very small. In addition, the two protective pieces 1 3, 1 3 sandwiching each locking arm} 〇 can effectively prevent accidental external force from acting on the locking arm 10. Next, when the socket connector 1 is to be unplugged from the base connector 21, the pressing operation parts 1 2, 1 2 are clamped between the two locking arms 10, 10 with a finger, so as to face both sides 8, 8 The side is elastically deformed, and the locking protrusions 1 1 and 1 1 are released from the locking parts 2 7 and 2 7 to release the locking. Then, the two locking arms 1 〇 and 10 are moved backward to move the socket housing 2 from the base. The shell 22 is pulled out. In addition, when the socket housing 2 of the socket connector 1 is inserted into the space portion 2 3 of the base connector 21 in an opposite posture by mistake, the step portions 7 and 7 of the cutout portions 6 and 6 will be pushed to the top. The front ends of the compartment pieces 25 and 25 prevent the socket housing 2 from entering, so that the reverse fitting can be prevented in advance. [Effects of the Invention] As described above, according to the present invention, the locking arm locking protrusions provided on both sides of one connector housing (socket housing) are engaged with the connector housing provided on the other ( The locking part on the inner wall surface of the base part) space part locks the two connector shells, so rarely the locking convex part detaches from the locking part due to external force, and the locking is accidentally released. In addition, because the position can be sandwiched by the protective piece of each locking arm to prevent external forces from acting on the locking arm, it can effectively prevent! t-lock was accidentally released. (7) (7) 200402910 [Brief description of the drawings] FIG. 1 is a perspective view of a connector housing constituting one connector (socket connector) according to the present invention. Fig. 2 is a front view of a connector housing constituting one connector (socket connector) according to the present invention. Figure 3 is a sectional view taken along the line 3-3 in Figure 2. Fig. 4 is a plan view of the other connector (base connector) constructed according to the present invention. Figure 5 is a front view of the other connector (base connector) constructed according to the present invention. Figure 6 is a sectional view taken along line 6-6 in Figure 5. Figure 7 is a sectional view taken along the line 7-7 in Figure 4. Fig. 8 is a perspective view showing a state of mating connection of two connectors according to the present invention. Fig. 9 is a cross-sectional view of the main part of Fig. 8. [Description of drawing number] 1: Socket connector 2: Socket shell 3: Contactor accommodation chamber 8: Both sides 9: Support piece 1 0: Locking arm 1 1 ·· Locking convex part -10-(8) (8 200402910 1 2: Press operation part 1 3: Protective sheet 2 1: Base connector 22: Base case 23: Space part 2 3 a: Open end 2 4: Rear wall 2 6: Inner side wall φ 2 7: Locking part 2 8: Pin contactor 4 0: Printed wiring board 4 1: Electric wire 4 2: Socket contactor 4 3: Spear part -11-