201025760 六、發明說明： . 【發明所屬之技術領域】 本發明涉及一種電連接器，尤其涉及一種有效合理分配空間的電連接 器。 【先前技術】201025760 VI. Description of the Invention: 1. Field of the Invention The present invention relates to an electrical connector, and more particularly to an electrical connector that effectively and reasonably allocates space. [Prior Art]
一般習知的電連接器，大都包括絕緣本體和組裝於絕緣本體内的端 子，例如一種音頻電連接器。音頻電連接器安裝於電路板上，該音頻電連 接器的絕緣本體呈長方體形’其包括前端面、與前端面相對設置的後端面、 頂壁、與頂壁相對設置的底壁及自前端面向後凹陷並貫穿後端面且用以收 容對接連接器的對接腔。絕緣本體自底壁凹設有收容音頻連接器的端子的 收容槽。端子包括固持於收容槽内的固持部、自固持部延伸且用以接觸電 路板的接觸部及自電路板延伸入對接腔内並與對接連接器彈性抵接的彈性 臂。 隨著電子設備輕、薄、短、小的發展趨勢，電子設備呈小型化的趨勢 發展；又，電子設備在功能上又日益豐富和曰趨完善，使得電子設備中眾 多元件需在有限的空間保證功能上的相互獨立和結構上的合理分佈。又， 當電子设備需要增加新功能的時候，如何於原本有限的空間内合理的佈置 新增的元件將成為設計者的設計難點》例如需在擁有上述音頻電連接器的 電子设備中設置新增7L件以增加新的魏，如何不影響音頻電連接器的功 能並使元件間的佈置達到合理化將係本發明的設計重點。 【發明内容】 本發明之目的在於：提供一種有效合理分配空間的電連接器 本發明係通過以下技術方案實現的：—種電連接器，其包括絕 和收容於縣本趙_軒，所述絕緣本體财連接槽，所 接哭# 有完全收容並瞻於連接_且機猶接其他元件的連接I絲“又 相較於習知技術，本發明電連接器的連接件固持於電連接哭並 連接其他讀，並域連接件完錄容於連接_，能有效合 酉 間，有利於電連接器所在的電子設備擴展功能。 刀配工 以下結合圖式及實施方式對本發明進一步說明。 3 201025760 【實施方式】 請參第一圖和第二圖’本發明電連接器〗00包括絕緣本體I '端子、夾 持件6和固持結構厂 請參第三圖和第四圖’絕緣本體1大致呈長方體形，其包括位於前側 的前端面m、與前端面ill相對設置且位於後側的後端面112、位於上侧 的頂壁113、與頂壁113相對設置且位於下側的底壁114及連接頂壁113和 底壁114的相對的第一側壁115、第二側壁〗16。所述底壁n4形成電連接 器1〇〇的安裝面，所述前端面111形成電連接器100的對接面。絕緣本體j 自前端面111向後凹陷並貫穿後端面形成用以收容對接連接器（未圖示） _ 的對接腔〗2。所述絕緣本體1於對接腔12的兩側自底壁114向兩侧壁凹設 有收容槽。 所述收容槽包括位於第一側壁115的第一收容槽131和第二收容槽 132 ’和位於第二側壁116的第三收容槽133和第四收容槽134。所述第一 收谷槽131與第一收容槽132左右並排設置，第二收容槽132更靠近對接 腔12並與對接腔12相連通，第一收容槽131位於第二收容槽132的外側 並藉一連通槽135與第二收容槽132相連通。第三、第四收容槽前後並排 設置，第二收容槽】33靠近前端面in設置且包括相互獨立的三個收容槽， 第四收容槽〗34靠近後端面112且貫穿頂壁n3。所述底壁〗14的壁面上沿 垂直於對接腔12延伸方向間隔凹設有分別與第一、第二、第三、第四收容 ©槽對應的第一、第二、第三、第四表面槽13η、1321、133卜1341。所述 底壁114靠近後端面112向頂壁113沿垂直於對接腔12延伸方向 持槽14。 請參第三圖和第四圖並配合參閱第二圖，端子包括第—端子2、第二端 子3、第三端子4、第四端子5。其中第一端子2和第二端子3為一對常開 的開關端子。第-端子2收容於第—收容槽13〗内，該第—端子2 型的第-固持部2】和由第—固持部21延伸且呈片狀的延伸部22。^一固 持部21的上側框邊的内邊緣向框内延伸出第—雜臂23，第性 的端部凸設有延伸入連通槽135的第—接觸部23卜延伸部 對應第-表面槽mi傾斜向下延伸有第—抵接臂24。第；子3收容 二收容槽132内，該第二端子3包括片狀的第二固持部3ι、自第二固持部 4 201025760 • 3\的前邊緣繼續向前延伸的第二彈性臂32及自第二固持部31的下邊緣對 應第二表面槽1321傾斜向下延伸的第二抵接臂33。第二彈性臂2的端部 設有彎折延伸入對接腔12内的第二接觸部321，並且第二彈性臂32臨近端 部設有指向連通槽135的接受部322。當對接連接器未插入對接腔12時’ 第接觸。P 231與接文部您才目對應但並不接觸，而當對接連接器插入對 接腔I2時’對接連接器作用於第二接觸部S21，使第二彈性臂η彈性變來 並向第一端子2移動而使接受部322與第一接觸部231相接觸。拔出對^ 連接器時’第二彈性臂32彈性恢復，接受部奶與第—接觸部23〗斷開， 對電連接器100起開關作用。 ❹ 第三端子4包括三個獨立的端子。由於三個端子的形狀大小一樣 發明統稱為第三端子，並且只對其中—個加以描述。第三端子4收容於 j容槽133内。該第三端子4大致呈u型，其包括片狀的第三固持部μ、 自第二固持部41的上邊緣彎折延伸並與其相對設置的第三彈性臂似及由 第三固持部41的下邊緣對應第三表面槽133】傾斜向下延伸的第三抵 :部^述第三彈性臂42的末端設有延伸人對接腔12且呈曲面狀的第三接 ❹ 第裝於第四收容槽内134内，與第三端子4並排設置且與 第二端子4的結構相似’在尺寸上第四端子5略大於第三端子4。第四端子 ^大致也呈U型，其包括片狀的第四固持部5】、自第四固持部5]的上 =延伸並與其相對設置的第四彈性# 52及由第關持部Μ的下邊^對 應第四表面槽1341傾斜向下延伸的第四抵接臂％。所述第四彈性臂幻的 末端设有延伸人對接腔】2且呈曲面狀的第四接觸部分。 致呈ΐΓ 内’係由—金屬棒彎折形成。該央持件6大 的對U型底部的卿6卜自擋部6】兩端分別向上延伸 及自兩夹持臂62末端分別向u型外延伸形成的抵持: 1將m 4的開口處’抵持部63與扣持槽叫的内部干涉 的持臂62則延伸入對接腔】2以挾持插入對接腔】2 s jit圖至第二圖，絕緣本體1的第―、第二麵出、μ的外壁 面上對稱-體延伸有大致呈梯形狀的固持結構7。所述固持結構7包括由第 5 201025760 一、第二側壁115、116向外一體延伸出且大致呈梯形的基部71、由基部 71的下端中間部位自底壁向上凹設的連接槽72及完全收容於連接槽^内 的連接件73。所述基部71上窄下寬且其外表面包括位於上側且下部S向外傾 斜設置的上側面711和位於下側且豎直設置的下侧面712。所述連接槽72 的開口係面向安裝面，該連接槽72的底壁向上凹設有細長的固持槽721， 連接槽72的槽内空間及槽外周邊空間共同形成側向空間，所述連接槽％ 呈梯形，連接槽72的開口處比連接槽72的底部處寬，並於開口處設有導 引部722 ’所述連接件73位於導引部722的裡面，亦即於連接槽72内，連 接件73位於導引部722位於連接槽π内的底部更靠槽底的位置。所述連 接件73由金屬片衝麼成型’其包括相連的第-連接部73〗和第二連接部 732。第-連接部731位於連接件73的上部，該第一連接部73ι的兩側分 別設有從上向下延伸的第-倒刺731卜藉所述第一倒刺7311與固持槽721 内壁的干涉將第-連接部73〗固持於固持槽72〗…第二連接部7幻位於 連接件73的下部且懸置於固持槽721 _，該第二連接部说❾兩侧分別 设有從下向上延伸並與第—鋪則相向設置的第二铺7321，第 部732並未突伸出底壁〗14。 電連接器】00安裝於電路板（未圖示）上。第一 t 43 53 二!Γ將電連接器⑽固持於電路板上，並且所述固持結構7的第 ❹:32可連接其他兀件（未圖示）。第二連接部732用以連接其他元 :展與電連接器100相連以達到電連接器所在的電子設備 ϊί件設村收容於連接槽72的連接部，連接部上設 32 __持槽’使得其他元件至少部份收容於連接槽 牛比^全^容於侧向_。其侃件得係以下情況，情況—係其^ 72 0 n係其他元伽較長，«他元件 = 續延伸入側向空間内’此時，由於連接槽72指向電 刺魏板上财械㈣祕無祕穿設；情 7的外側延伸，位於電連接器⑽的兩側，當 然，還有其他情況，這裡不一一列舉。 ”田 本發明藉具有雙__連接件機械地連接電連接脉其他元件並 6 201025760 .且該連接件完全收容於電連接器之側壁之連接槽内，使連接件固持於側壁 上並收容於該侧壁四周之壁邊内，又所述側壁相交於電連接器的安裝面， 是以不會在該電連接器組裝、運輸、安裝等過程中對連接件造成傷害，連 接件也不會妨礙電連接器行使自身的功效。並且，連接槽的周邊可^伸為 侧向空間，能適應多種尺寸的元件連接。 固持結構7設置於上述實施例中電連接器1〇〇的兩個側壁上，該電連 接器100採用彈性抵壓的方式固持於電路板上。當然，固持結構7也得設 置於其他類型的電連接器，例如以焊接方式固持於電路板上的電連接器 圖示）。該焊接方式的電連接器亦用以插接對接連接器，該電連接器^括呈 長方體狀的絕緣本體、收容於絕緣本體内的端子和用以固持對接連接 •夾持件8 (如第示）。娜8大致呈㈣，其結 亦具有擋部8〗和夾持部82 ^夹持件8與夹持件6的區別在於，夾持件8設 有從夾持部82向U型外部延伸並超出u型底部的焊接部83，焊接部幻$ 伸出絕^本體並可焊接於電路板上以加強挾持對接連接純效果並有助於 電連接二焊接於電路板上。所述絕緣本體設有兩側壁，固持結構設置於所 述側壁上’曝能制上述實關的錄。擁有完纽容連接件的固持结 構還得設置於其他類型的電連接器上，這裡就不一一列舉了。 综上前述，本發明確已符合發明專利之要件’爰依法提出申請專利。 以上所述者僅係本發明之較佳實施方式’本發明之範圍並不以上述實 ❹施方式雜’舉凡熟習本案技藝之人士援依本發明之精神所作之等效修飾 或變化’皆應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 第一圖係本發明電連接器之立體圖； 第二圖係第一圖另一角度之立體圖； 第三圖係第一圖之立體分解圖； 第四圖係第二圖之立體分解圖； 第五圖係本發明另一實施例電連接器挾持件的立體圖。 【主要元件符號說明】 電連接器 100 絕緣本體 112 雨端面 m 後端面 7 201025760Conventional electrical connectors generally include an insulative housing and a terminal assembled in the insulative housing, such as an audio electrical connector. The audio electrical connector is mounted on the circuit board, and the insulative housing of the audio electrical connector has a rectangular parallelepiped shape. The utility model comprises a front end surface, a rear end surface opposite to the front end surface, a top wall, a bottom wall opposite to the top wall, and a front end. A docking cavity that is recessed toward the rear and penetrates the rear end face and is used to receive the mating connector. The insulating body is recessed from the bottom wall with a receiving groove for receiving the terminal of the audio connector. The terminal includes a holding portion held in the receiving groove, a contact portion extending from the holding portion and contacting the circuit board, and an elastic arm extending from the circuit board into the mating cavity and elastically abutting the mating connector. With the development trend of light, thin, short and small electronic devices, electronic devices are developing in a miniaturization trend. Moreover, electronic devices are increasingly rich in functions and perfected, so that many components in electronic devices need to be in a limited space. Ensure functional independence and structural rational distribution. Moreover, when electronic devices need to add new functions, how to properly arrange new components in the original limited space will become a design difficulty of the designer. For example, it is necessary to set a new one in the electronic device having the above audio electrical connector. Adding 7L pieces to add new Wei, how to not affect the function of the audio electrical connector and rationalize the arrangement between the components will be the design focus of the present invention. SUMMARY OF THE INVENTION An object of the present invention is to provide an electrical connector that effectively and reasonably allocates space. The present invention is achieved by the following technical solutions: an electrical connector, which includes a device and is housed in a county Insulation body financial connection slot, connected to cry # has a complete containment and look at the connection _ and the machine is connected to other components of the connection I wire" and compared to the prior art, the connector of the present invention electrical connector is held in the electrical connection cry And connected to other readings, and the domain connector is recorded in the connection_, which can effectively merge the room, which is beneficial to the electronic device expansion function where the electrical connector is located. Knife Assignment The present invention will be further described below in conjunction with the drawings and embodiments. 201025760 [Embodiment] Please refer to the first figure and the second figure 'The electrical connector of the present invention〗 00 includes the insulating body I' terminal, the clamping member 6 and the holding structure factory, please refer to the third figure and the fourth figure 'insulating body 1 The utility model has a substantially rectangular parallelepiped shape, and includes a front end surface m on the front side, a rear end surface 112 disposed opposite to the front end surface ill and located on the rear side, a top wall 113 on the upper side, and a top side 113 opposite to the top wall 113 and located on the lower side The bottom wall 114 and the opposite first side wall 115 and the second side wall 16 connecting the top wall 113 and the bottom wall 114. The bottom wall n4 forms a mounting surface of the electrical connector 1 , and the front end surface 111 forms an electrical connection. The abutting surface of the device 100. The insulating body j is recessed rearward from the front end surface 111 and penetrates through the rear end surface to form a mating cavity 2 for accommodating a mating connector (not shown). The insulating body 1 is on both sides of the mating cavity 12. The receiving groove includes a first receiving groove 131 and a second receiving groove 132 ′ on the first side wall 115 and a third receiving groove 133 in the second side wall 116 . The first receiving groove 131 is disposed side by side with the first receiving groove 132. The second receiving groove 132 is closer to the docking cavity 12 and communicates with the docking cavity 12, and the first receiving slot 131 is located at the second. The outer side of the receiving slot 132 communicates with the second receiving slot 132 via a connecting slot 135. The third and fourth receiving slots are arranged side by side, and the second receiving slot 33 is disposed adjacent to the front end surface in and includes three independent housings. The groove, the fourth receiving groove 34 is close to the rear end surface 112 and penetrates the top a wall n3. The wall surface of the bottom wall 14 is recessed in a direction perpendicular to the extending direction of the mating cavity 12, and first, second, and third respectively corresponding to the first, second, third, and fourth housings The fourth surface groove 13n, 1321, 133 is 1341. The bottom wall 114 is adjacent to the rear end surface 112 and faces the top wall 113 in a direction perpendicular to the extending direction of the mating cavity 12. Referring to the third and fourth figures, In the second figure, the terminal includes a first terminal 2, a second terminal 3, a third terminal 4, and a fourth terminal 5. The first terminal 2 and the second terminal 3 are a pair of normally open switch terminals. In the first receiving groove 13, the first terminal-type 2 retaining portion 2 and the first retaining portion 21 extend in a sheet-like extending portion 22. The inner edge of the upper frame side of the holding portion 21 extends into the frame, and the first end portion is convexly provided with a first contact portion 23 extending into the communication groove 135, and the extension portion corresponds to the first surface groove. The mi-tilt extends downwardly with a first abutment arm 24. The second terminal 3 includes a second retaining portion 3ι in the form of a sheet, and a second elastic arm 32 extending from the front edge of the second retaining portion 4 201025760 • 3\ The second abutment arm 33 extends obliquely downward from the lower edge of the second holding portion 31 corresponding to the second surface groove 1321. The end of the second resilient arm 2 is provided with a second contact portion 321 which is bent and extends into the docking chamber 12, and the second resilient arm 32 is provided with a receiving portion 322 directed toward the communication groove 135 near the end. When the docking connector is not inserted into the docking chamber 12, the first contact. P 231 corresponds to the interface part but does not touch, and when the docking connector is inserted into the docking chamber I2, the 'dock connector acts on the second contact portion S21 to elastically change the second elastic arm η to the first terminal 2 moves to bring the receiving portion 322 into contact with the first contact portion 231. When the connector is pulled out, the second elastic arm 32 is elastically restored, and the receiving portion milk and the first contact portion 23 are disconnected, and the electrical connector 100 is switched. ❹ The third terminal 4 includes three separate terminals. Since the three terminals are the same in shape and size, the invention is collectively referred to as a third terminal, and only one of them will be described. The third terminal 4 is housed in the j-cavity 133. The third terminal 4 is substantially u-shaped, and includes a sheet-shaped third holding portion μ, a third elastic arm extending from the upper edge of the second holding portion 41 and being disposed opposite thereto, and the third holding portion 41 The lower edge corresponds to the third surface groove 133] the third abutment extending obliquely downward: the end of the third elastic arm 42 is provided with a third interface extending the human butting cavity 12 and having a curved shape. The inside of the receiving groove 134 is disposed side by side with the third terminal 4 and is similar in structure to the second terminal 4 'the fourth terminal 5 is slightly larger than the third terminal 4 in size. The fourth terminal ^ is also substantially U-shaped, and includes a sheet-shaped fourth holding portion 5], a fourth elastic #52 extending from the upper portion of the fourth holding portion 5] and disposed opposite thereto, and a third holding portion Μ The lower side ^ corresponds to the fourth abutment arm % extending obliquely downward of the fourth surface groove 1341. The magic end of the fourth elastic arm is provided with a fourth contact portion extending in a person's docking cavity 2 and having a curved shape. The inside of the ΐΓ ’ is formed by bending a metal rod. The central portion 6 of the U-shaped bottom portion of the U-shaped bottom portion of the self-retaining portion 6] extends upwardly and respectively extends from the ends of the two clamping arms 62 to the u-shaped outer portion: 1 opens the opening of the m 4 The holding arm 62 of the resisting portion 63 and the internal interference of the holding groove extends into the docking chamber 2 to hold the mating cavity. 2 s jit to the second figure, the first and second sides of the insulating body 1 The outer wall surface of the μ, μ is extended symmetrically with a substantially trapezoidal holding structure 7. The holding structure 7 includes a base portion 71 extending outwardly from the fifth 201025760 first and second side walls 115, 116 and having a substantially trapezoidal shape, and a connecting groove 72 recessed upward from the bottom wall by the lower end intermediate portion of the base portion 71 and completely The connecting member 73 is housed in the connecting slot ^. The base portion 71 is narrow and wide and its outer surface includes an upper side surface 711 on the upper side and a lower portion S which is outwardly inclined, and a lower side surface 712 on the lower side and vertically disposed. The opening of the connecting groove 72 faces the mounting surface, and the bottom wall of the connecting groove 72 is upwardly recessed with an elongated holding groove 721. The inner space of the connecting groove 72 and the outer space of the groove together form a lateral space, and the connection The slot % is trapezoidal, the opening of the connecting slot 72 is wider than the bottom of the connecting slot 72, and a guiding portion 722 is provided at the opening. The connecting member 73 is located inside the guiding portion 722, that is, in the connecting slot 72. Inside, the connecting member 73 is located at a position where the guiding portion 722 is located at the bottom of the connecting groove π and further at the bottom of the groove. The connecting member 73 is formed of a metal sheet, which includes a connected first connecting portion 73 and a second connecting portion 732. The first connecting portion 731 is located at an upper portion of the connecting member 73. The first connecting portion 73i is respectively provided with a first-barbed 731 extending from the top to the bottom, and the first barb 7311 and the inner wall of the retaining groove 721. Interference, the first connecting portion 73 is fixed to the holding groove 72. The second connecting portion 7 is located at the lower portion of the connecting member 73 and is suspended from the holding groove 721 _, and the second connecting portion is respectively provided with the lower side The second paving 7321 extending upward and facing the first paving, the first portion 732 does not protrude from the bottom wall 〖14. The electrical connector 00 is mounted on a circuit board (not shown). The first t 43 53 2! holds the electrical connector (10) on the circuit board, and the first: 32 of the holding structure 7 can be connected to other components (not shown). The second connecting portion 732 is connected to the other element: the connecting device is connected to the electrical connector 100 to reach the connecting portion of the electronic device where the electrical connector is located, and the connecting portion is provided with 32 __ holding slot The other components are at least partially accommodated in the connection slot. The condition of the device is as follows: the situation is that the other elements are longer, and the other elements are extended into the lateral space. At this time, since the connecting groove 72 points to the electric spurs (4) There is no secret to wear; the outer extension of the emotion 7 is located on both sides of the electrical connector (10). Of course, there are other situations, which are not listed here. "Tanben's invention mechanically connects the other components of the electrical connection with a double __ connector and 6 201025760. And the connector is completely received in the connecting groove of the side wall of the electrical connector, so that the connector is held on the side wall and is accommodated in In the wall edge around the side wall, the side wall intersects the mounting surface of the electrical connector, so that the connecting member is not damaged during the assembly, transportation, installation, etc. of the electrical connector, and the connecting member does not The electrical connector is prevented from exercising its own function, and the periphery of the connecting groove can be extended into a lateral space, which can be adapted to the connection of components of various sizes. The holding structure 7 is disposed on the two side walls of the electrical connector 1〇〇 in the above embodiment. The electrical connector 100 is held on the circuit board by elastic pressing. Of course, the holding structure 7 is also disposed on other types of electrical connectors, such as an electrical connector diagram that is soldered to the circuit board. The soldering type electrical connector is also used for plugging a mating connector, and the electrical connector includes an insulating body having a rectangular parallelepiped shape, a terminal received in the insulating body, and a docking connection for holding • gripping member 8 (as shown). Na 8 is substantially (four), and its knot also has a blocking portion 8 and a clamping portion 82. The clamping member 8 is different from the clamping member 6 in that the clamping member 8 is provided. Extending from the clamping portion 82 to the U-shaped outer portion and beyond the U-shaped bottom of the soldering portion 83, the soldering portion is protruded from the body and can be soldered to the circuit board to enhance the pure effect of holding the butt connection and to facilitate the electrical connection. Soldering on the circuit board, the insulating body is provided with two side walls, and the holding structure is disposed on the side wall to expose the above-mentioned real-time recording. The holding structure with the matching connector is also disposed on other types of electricity. In the above, the present invention has indeed met the requirements of the invention patents, and the patent application is filed according to law. The above description is only the preferred embodiment of the present invention. The equivalent modifications or variations made by those who are familiar with the skill of the present invention in the spirit of the present invention are not included in the scope of the following patent application. [Simplified description of the drawings] Stereo view of the electrical connector of the present invention; 2 is a perspective view of another angle of the first drawing; the third drawing is an exploded perspective view of the first drawing; the fourth drawing is an exploded perspective view of the second drawing; and the fifth drawing is an electrical connector holding of another embodiment of the present invention. (The main component symbol description) Electrical connector 100 Insulated body 112 Rain end face m Rear end face 7 201025760
頂壁 113 第一側壁 115 對接腔 12 第一表面槽 1311 第二表面槽 1321 第三表面槽 1331 第四表面槽 1341 第一端子 2 延伸部 22 第一接觸部 231 ^ — ν〇ί -Τ 弟一端于 3 第二彈性臂 32 接受部 322 第三端子 4 第三彈性臂 42 第三接觸部 44 第四固持部 51 第四接觸臂 53 夾持件 6 夾持臂 62 固持結構 7 上侧面 711 連接槽 72 導引部 722 第一連接部 731 第二連接部 732 夾持件 8 夹持部 81 底壁 114 第二側壁 116 第一收容槽 131 第二收容槽 132 第三收容槽 133 第四收容槽 134 連接槽 135 第一固持部 21 第一彈性臂 23 第一抵接臂 24 第二固持部 31 第二接觸部 321 第二抵接臂 33 第三固持部 41 第三抵接臂 43 第四端子 5 第四彈性臂 52 第四接觸臂 54 擋部 61 抵持部 63 基部 71 下侧面 712 固持槽 721 連接件 73 第一倒刺 7311 第二倒刺 7321 擋部 81 焊接部 83 8Top wall 113 first side wall 115 docking chamber 12 first surface groove 1311 second surface groove 1321 third surface groove 1331 fourth surface groove 1341 first terminal 2 extension portion 22 first contact portion 231 ^ — ν〇ί -Τ One end to 3 second elastic arm 32 receiving portion 322 third terminal 4 third elastic arm 42 third contact portion 44 fourth holding portion 51 fourth contact arm 53 clamping member 6 clamping arm 62 holding structure 7 upper side 711 connection The groove 72 the guiding portion 722 the first connecting portion 731 the second connecting portion 732 the clamping member 8 the clamping portion 81 the bottom wall 114 the second side wall 116 the first receiving groove 131 the second receiving groove 132 the third receiving groove 133 the fourth receiving groove 134 connecting groove 135 first holding portion 21 first elastic arm 23 first abutting arm 24 second holding portion 31 second contact portion 321 second abutting arm 33 third holding portion 41 third abutting arm 43 fourth terminal 5 fourth elastic arm 52 fourth contact arm 54 stopper 61 abutting portion 63 base portion 71 lower side surface 712 holding groove 721 connecting piece 73 first barb 7311 second barb 7321 blocking portion 81 welding portion 83 8