M264685 八、新型說明： 【新型所屬之技術領域】 擴充iliim祕細之電_触職，尤指一種可 【先前技術】 連接器（C〇nnector)泛指所有用在電子 間的梅“甘t 附屬配件。連接11是所有訊號 亦合ί動敕：„不僅影響電流與訊號傳輸的可靠度， 及“，其質。常見連接器又可分為插頭 座結一與印刷電路板之端子連接器相連之錢、連接 要传於一 3 F早狀電源連接座結構具有固定級數的型態，其主 判定她、條型之本體内開設有一定個數之連接孔洞，並藉由 孔洞與該對應個數之端子連接器連接，而將電 路讯^宁接设之線路輸出或輸入。 接之’係係為—種習知12孔電源連接座及與其相連 電源連接庙m連接器於組裝前之外觀示意圖，該習知之12孔 inti ΐ有一座體(ι〇)，於其座體⑽之一侧邊具有一卡 於复^η)η’、用以固定該座體⑽於一電源裝置内（未顯示），並 子連接個孔洞(12) ’用以連接一12接腳端 用時有固定級數型態之電源連接座結構，於實際應 能，去針對電器用品的設計加以彈性組合來設定其級數型 ΐ的電i連需要準備不同級數型 者為;tZf庫存應付客戶之各種需求，如此一來係造成業 僅兩成本上相當大之負擔。再者，對於顧客而言，當其 源i内設有電源連接座）或是其供電之電器用品（内 二伟;2接器）之—方時，如無法彈性組裝電源連接器之級數， 、使侍顧客於購買之選擇性以及使用之效應上受限。 M264685 實，以改善之H 連接的實= 並，夠，， ίί連^器一』本鐵而不捨之精神，終之 【新型内容】 本創作係提供一種可擴充 板之端子連接ϋ。該可擴充接座’用以連接印刷電路 -第二連接座；一卡固；源連接座係包含-第-連接座； 電源上；一連接邻爾口 f ’用以固定該可擴充之電源連座至一 座，使得該第一連接座部一連接座與該第二連接 及一第一扣合裝置七含亥ί 連接部呈搞設狀； 合該第-連接銷該第二連接I由輕相槽與該凸出物件以扣 根據上述構想，該可擴充 置，合該第-連接座與該第：座更包含一弟二扣合裳 連接座2孔連接座與4孔 孔連座2^：連接錢選自16孔連接座與a 本創作係提供一種可擴香之雷、H 板之端子連接II。該可連接座，用以連接印刷電路( 其具有-第-組接面了擴ϊ=;接;係包含-第-連接座， =件，用以固定該可擴充之電i連座ί!;《:組Ϊ:第： 接;由連接該凹槽與該凸出物件以扣勝 置，更包含—第二扣合裝_ 根據上述構想’其中該第一連接座係選自2孔連接座與4孔 M264685 連接座與6孔連接座其中任一。 ίΐΐίΐ供二fii裝置，用於連接—第—連接座與-第 一第 ί該ΐ:連接座J1。其中藉由連接該第“ 第:::物 上述構想’其中該凸出物件係包含兩個凸出片 二連接座而形成-可料雷㈣^ 接一弟一連接座與 2哲其，巧_第—連接座上；-第—凸出物件，i係ί至 件，即可扣合該第一連接座與該第二連接座 根據上述構想，該可扣合裝置更包 凹裨， 凹槽凸錄件，似扣合該第―連接“該 根據士述構想，該可扣合裝置更包含一連接部，其用以要M264685 8. Description of the new type: [Technical field to which the new type belongs] Expansion of iliim's secret _ contact, especially one that can be [previous technology] Connector (Connector) refers to all plums used in electronics Accessory accessories. Connection 11 is all signals. It not only affects the reliability of the current and signal transmission, and ", its quality. Common connectors can be divided into a plug connector and a terminal connector of the printed circuit board. The connected money and connection should be passed through a 3 F early-shaped power connector. The structure has a fixed number of stages. The main judge determines that a certain number of connection holes are opened in the body of the strip, and through the holes and the The corresponding number of terminal connectors are connected, and the circuit is connected to the output or input of the circuit. The connection is: a conventional 12-hole power connector and the power connector connected to it before assembly. A schematic diagram of the appearance. The conventional 12-hole inti frame has a body (ι〇), and one side of one of the frame bodies has a card ^ η) η 'for fixing the frame body to a power supply device. Inside (not shown), and sub hole Hole (12) 'Used to connect a 12-pin terminal with a fixed number of types of power connector base structure. In practice, it should be able to flexibly combine the design of electrical appliances to set the power of its series type. i company needs to prepare different series types; tZf inventory to meet the various needs of customers, which will cause a considerable burden on the cost of the industry. Moreover, for customers, when the source i is equipped with a power supply (Connecting base) or its electrical appliances (inner Erwei; 2 connector)-if the number of stages of the power connector cannot be flexibly assembled, the customer will be affected by the selectivity of the purchase and the effect of use. M264685 Real, to improve the real connection of H = and, enough ,, ί lian ^ yi yi the spirit of perseverance, and finally [new content] This creation is to provide a terminal connection of an expandable board ϋ The expandable socket is used to connect the printed circuit-second connection socket; a clamping; the source connection socket includes the -first-connection socket; on the power supply; a connection adjacent port f 'is used to fix the expandable socket The power supply is connected to one, so that the first connection seat part A connection base is connected to the second connection and a first fastening device. The connection part is configured; the first connection pin and the second connection are connected by the light phase groove and the protruding object according to the above. The idea is that the expandable unit can be combined with the first-connecting seat and the second: the seat further includes a two-hole connecting seat, a 2-hole connecting seat and a 4-hole connecting seat 2 ^: the connection money is selected from the 16-hole connecting seat and a This creation is to provide a expandable incense mine, H-board terminal connection II. This connectable base is used to connect the printed circuit (which has a -th-group connection surface with expansion == connection; the system includes the -th-connection Seat, = piece, which is used to fix the expandable electric connector i !; ": group :: 第: 接; by connecting the groove and the protruding object to buckle, and more-the second buckle assembly _ According to the above idea 'wherein the first connector is selected from a 2-hole connector and a 4-hole M264685 connector and a 6-hole connector. ίΐΐίΐ is used for two fii devices, which are used to connect-the first-connection block and-the first first: the connection block J1. It is formed by connecting the above-mentioned concept of "第 ::: 物" where the protruding object is composed of two protruding pieces and two connecting bases-it can be expected that 连接 one brother and one connecting base and 2 philosophies, clever _ 第 — 接 座;-第 —Protruding object, i is a piece, you can fasten the first connecting base and the second connecting base. According to the above concept, the snap-fit device is more concave and concave. The groove convex recording piece seems to be fastened to the first connection. According to the conception of the statement, the fastenable device further includes a connecting portion for
If連接座與該第二連接座，使得該第-連接座與該第 一連接座精著該連接部呈樞設狀。 根據上述構想，其中該凸出物件係包含_凸出片。 根據上述構想，其中該第一連接座係選 連接座與6孔連接座其巾任―。 4孔 十述構想，其中該第二連接座係選自16孔連接座與18 孔連接座與20孔連接座其中任一。 本創作經由上述構想的解說，即能觀察到所運用之可擴充之 樜，連接歧其扣合裝置，確實能觀將複數個多孔連接座組裝 擴充，並具有易於組裝的特色。為了易於說明，本創作得藉由下 述之較佳實施例及圖式而得到一更加瞭解。 【實施方式】 _本案之可擴充之電源連接器及其扣合裝置將可由以下的實施 例說明而得到充分瞭解，並使得熟習本技藝之人士可以據以完 成。然本案之實施型態並不以下列實施例為限。 ^為了不一一贅述，以下實施例中，本案所使用之組裝前連接 座之孔槽數目亦不為以下實施例所限。本案所使用之組裝前連接 7 M264685 座係選自2孔連接座與4孔連接座與6孔連接座與16孔連接座與 18孔連接座與20孔連接座其中任一。 / 清參見弟二圖（A)以及（B) ’為本案一較佳實施例之可· 擴充電源連接座結構結合前後之示意圖。如圖所示，該可擴 充電源連接座結構（20)包含：一 20孔槽連接座（21)、一 4孔;^ 連接座（22)、-^固元件(23)、一連接部（24)及一第一扣合裝置 (25) ’其中該第一扣合裝置(25)係包含一凹槽(251)於該20孔槽 連接座（21)上，以及包含一凸出物件（252)於該4孔槽連接座（22) 上。 藉著該連接部（24)，該可擴充電源連接座結構（2〇)中的該 20孔槽連接座（21)與該4孔槽連接座（22)得以部分連接，並且該 連接部（24)使得該20孔槽連接座（21)與該4孔槽連接座（22)呈樞 設狀。而藉著旋轉該20孔槽連接座（21)與該4孔槽連接座（22)至 得以扣合連接該凹槽（251)與該凸出物件（252)之位置，相鄰之該 20孔槽連接座（21)與該4孔槽連接座（22)係緊密互相卡合定位， 而達到將該20孔槽連接座（21)與該4孔槽連接座（22)組裝擴充， ，形成一具有高度組裝穩固性之24孔槽之連接座（2〇)。而接著， 該卡固元件（23)係可應用來固定該可擴充之電源連座（2〇)至一 源（圖式未顯示）上。 ^再者，請參考第三圖（A)以及（B)，為針對本案一較佳實 ，例之可擴充電源連接座結構之可擴充性的應用圖。根據上述 "兄以下將對可擴充電源連接座結構之可擴充性解釋如下， ΐ圖（A)所示，該可擴充之24孔槽連接座（30)係可應用為一 置(圖式未顯示)之一連接座，得以連接-個具有24個 二）之連接器（31)之電器（圖式未顯示），其中藉由-扣合裝 ί ^ ^及一連接部(33)以扣合一 4孔連接座(34)以及—20孔連 )而組裝成該可擴充之24孔槽連接座（3〇)。另外，如第三 二一if =，當吾人欲將電源裝置（圖式未顯示）轉而用來提供 Ί 20個端子(3⑴之連接器⑽之電器（圖式未顯示)之電 守，以可擴充之之24孔槽連接座（30)，可以簡單地利用工且切 8 M264685 接部(33) ’轉成_具有2Q孔槽連接座(35)，並得以連接 $心、^Γ20個端子（361)之連接器（336)之電器（圖式未顯示）。* ^ ^此，經由上述方式，吾人可彈性調整連接座之級數型態，· 2際電器（圖式未顯示）需要輕易完成連接座孔槽的擴 ’自由更換連接型態，如此—來，於吾人在汰換舊型添講新的 子連接器（36)之電器（圖式未顯示）時，於電器（圖式未顯示） 上可以具有彈性麵之優點，或是可哺湘該供電電源 表置$圖式未顯示）以提供其他不同級數型態電器之電力，不會因 兩者連接級數型態不同，而有閒置該供電電源裝置（圖式未 示），造成資源浪費之疑慮。 ” 又請麥考第二圖（A)與第四圖，如第四圖所示，本案係 提供與該可擴充電源連接座結構（20)結構相同之另一可/擴充 電源連接座結構（40)。且該可擴充電源連接座結構（4〇)係具有 所有上述與該可擴充電源連接座結構（2〇)結構相同之元j牛， 然，請參見第二圖（A)，於該可擴充電源連接座結構（2〇)中， 該連接部（24)係與該卡固元件(23)係裝設於同側(A)，並且該第一 扣合裝置中之該凹槽（251)與該於凸出物件（252)係皆與該卡固 元件(23)裝設於異侧⑻。而請參見第四圖，於該可擴/充電源連 接座結構（40)中，該第一扣合裝置(45)中之該凹槽(451)與該於 凸出物件(452)該係與該卡固元件(43)係裝設於同側〇，並且連 接部(44)係皆與該卡固元件(43)裝設於異側(D)。 請參見第五圖，為本案另一較佳實施例之可擴充電源連 接座（50)結構示意圖，如圖所示，該可擴充電源連接座結'構 (50)包含··一 20孔槽連接座(51)、一 4孔槽連接座（52)、一^^ 固元件(53)、連接部（54)、一第一扣合裝置(55)及一第二扣合裝 置(56)，其中該第一扣合裝置(55)係包含一第一凹槽（551)於該^ 孔槽連接座（51)上，以及包含一第一凸出物件（552)於該4孔槽連 接座（52)上，而該第二扣合裝置(56)係包含一第二凹槽(mi)於該 20孔槽連接座(51)上，以及包含一第二凸出物件(562)於該4孔槽 連接座（52)上。 " 9 M264685 20:C?^(54)，該可擴充電源連接座結構（50)中的該 車ϋΐϋ )無4孔槽連接座(52)得以部分連接，並且該 ίί fit，孔槽連接座(51)與該4孔槽連接座(52)呈樞· 二八別二孔槽連接座⑸)與該4孔槽連接座(52)至 it ===_該第二凸出物件_之位置，相鄰之 ;ί而)與該4孔槽連接座(52)係緊密互相卡合定 充，以料：ΐ古，槽連接座(51)與該4孔槽連接座(52)組裝擴 i λ度組裝_性之24孔槽之連接座⑽）。而接 -雷ΐϋ()係可應用來固定該可擴充之電源連座⑽至 其他細節部分，係如前段所述，故 ^^此不冉負述。 請參見第六圖（Α)以及（Β)，為本案另一較佳實施例之 ΪΐΪίΐΐ接座(6〇)結構擴充前後示意圖，如圖所示，該 座結構（6G)包含：—2G孔槽連接座（61)、一 4 二:卡固兀件⑽、—第—扣合裝置⑽及一第 ，其中該第一扣合裂置⑽係包含—第一_ 個笛λ + 物件(642)，且該第—凸出物件(642)係由兩 ^ 2U422)所形成，而該第二扣合裝置⑽)係包 :件’以及一第二凸出物件(652)，且該第二凸出 =t 出彈片（6521，6522)所形成。該第一凹槽 Γ i/1槽連接座(61)上、該等第—凸出彈片⑽1，6422) 查ίδ二賴Λ(6Ρ上、該一第二凹槽(651)位於該2〇孔槽 if ϋ)上以及該等第二凸出彈片（6521，6522)位於該4孔槽連 接座（62)上。 而藉著分別扣合連接該第一凹槽（641)與該該等第一凸出彈 片(6421，6422)及扣合連接該第二凹槽⑽)與該等第二凸出彈片 521, 6522) ’使得5亥20孔槽連接座（61)與該4孔槽連接座(62) 係緊密互相卡合定位，*賴職2Q孔财接座⑽與該4孔槽 連接座(62)組裝擴充’以形成—具有高度組裝翻性之％孔槽之 M264685 ，，座(60)。而接著’該卡固 之電源連座（60)至-電诉、丰鹿一、，f用來固疋5亥可擴充 如前段所述，故於不)上。其他細節部分，係 連座及^戶1^罢本案上述較佳實射所提供之可擴充之電源 ^及/扣合打活動式設計更增加其擴充性，； 或拆除’故可減少庫存上與成本上相當大之負擔 可隨需要而 且 之=連座及其扣合裝置，可增加顧客於汰換新電器 產豐以及交更電源裝置使用上之彈性，因此本創作實具 產業發展之價值。 然皆不 、本案得由熟悉本技藝之人士任施匠思而為諸般修飾 脫如附申請專利範圍所欲保護者 【圖式簡單說明】 第一圖，係為習知12孔電源連接座及與其相連接之12接腳端子 連接器於組裝前之外觀示意圖； 第二圖（A)、（Β)，係為本創作第一較佳實施例之可擴充電源連接 座結構組裝前後示意圖； 第二圖（A)、（Β)，係為本創作第一較佳實施例之可擴充電源連接 座結構與不同級數之端子連接器的連接應用圖； 第四圖，係為本創作第二較佳實施例之可擴充電源連接座結構 之示意圖； 第五圖，係為本創作第三較佳實施例之可擴充電源連接座結構 之示意圖；以及 第六圖（A)、（Β)，係為本創作第四較佳實施例之可擴充電源連接 座結構組裝前後示意圖。 【主要元件符號說明】 連接座 可擴充連接座 端子連接器 端子 10 2〇 30 40 50 60 13 31 36 14 311 361 11 M264685 11 23 43 53 63 卡固元件 24 33 44 54 連接部 25 32 45 55 56 64 65 扣合裝置 251 451 551 561 641 651 凹槽 252 452 552 562 642 652 凸出物件 6421 6422 6521 6522 凸出彈片 12If connection base and the second connection base, the first connection base and the first connection base are pivoted around the connection portion. According to the above concept, the protruding object comprises a protruding piece. According to the above concept, the first connection base is selected from the connection base and the 6-hole connection base. The ten-hole concept of four holes, wherein the second connection base is selected from any one of a 16-hole connection base, an 18-hole connection base, and a 20-hole connection base. According to the explanation of the above concept, this creation can observe the expandable cymbals used and connect the Qiqi buckle device. It can indeed observe the assembly and expansion of a plurality of porous connector bases, and has the characteristics of easy assembly. For ease of explanation, the present invention is better understood through the following preferred embodiments and drawings. [Embodiment] _ The expandable power connector and its fastening device in this case will be fully understood by the following description of the examples, and will enable those skilled in the art to complete it. However, the implementation form of this case is not limited to the following examples. ^ In order not to repeat them one by one, in the following embodiments, the number of holes and slots of the pre-assembly connection base used in this case is not limited by the following embodiments. The pre-assembly connection 7 M264685 used in this case is selected from the group consisting of a 2-hole connector, a 4-hole connector, a 6-hole connector, a 16-hole connector, an 18-hole connector, and a 20-hole connector. / Please refer to the second figure (A) and (B) ′ This is a schematic diagram of the structure of the expandable power connector base before and after a preferred embodiment of the present invention. As shown in the figure, the expandable power connection base structure (20) includes: a 20-hole slot connection base (21) and a 4-hole; ^ connection base (22),-^ solid element (23), a connection portion ( 24) and a first fastening device (25) 'wherein the first fastening device (25) includes a groove (251) on the 20-hole slot connection base (21), and includes a protruding object ( 252) on the 4-hole slot connecting base (22). By means of the connection portion (24), the 20-hole slot connection base (21) and the 4-hole slot connection base (22) in the expandable power connection base structure (20) are partially connected, and the connection portion ( 24) Make the 20-hole slot connecting base (21) and the 4-hole slot connecting base (22) pivot. By rotating the 20-hole slot connecting base (21) and the 4-hole slot connecting base (22) to a position where the groove (251) and the protruding object (252) can be fastened and connected, the adjacent 20 The slotted connection base (21) and the 4 slotted connection base (22) are tightly engaged and positioned with each other, so that the 20 slotted connection base (21) and the 4 slotted connection base (22) are assembled and expanded, A connection socket (20) with a 24-hole slot with high assembly stability is formed. Then, the fixing element (23) can be applied to fix the expandable power connector (20) to a source (not shown). ^ Moreover, please refer to the third diagram (A) and (B), which is a better application for this case, for example, the application diagram of the expandability of the expandable power connector structure. According to the above " brother, the expandability of the structure of the expandable power connection base will be explained as follows. As shown in the figure (A), the expandable 24-hole slot connection base (30) can be applied as a set (schematic (Not shown) one connection base, which can be connected to an electrical appliance (not shown in the figure) with 24 (2) connectors (31), in which-^ ^ and a connection part (33) to A four-hole connector (34) and a -20-hole connector are fastened together to assemble the expandable 24-hole slot connector (30). In addition, if 321 if =, when I want to switch the power supply device (not shown) to provide 守 20 terminals (3⑴ connector ⑽ electrical appliances (not shown)), to The expandable 24 hole slot connector (30) can be easily cut and cut with 8 M264685 connector (33) 'turned into _ with 2Q hole slot connector (35), and can be connected to $ 心, ^ Γ20 Terminals (361), connectors (336), electrical appliances (not shown). * ^ ^ By this way, I can flexibly adjust the number of stages of the connection base, · 2 international appliances (not shown) It is necessary to easily complete the expansion of the connection seat hole and freely change the connection type. In this way, when I replace the old type with the new sub-connector (36), the electrical appliance (not shown), the electrical appliance (not shown) (The diagram is not shown.) It can have the advantage of an elastic surface, or it can feed the power supply meter. (The diagram is not shown.) To provide power for other appliances of different stages and types. Different states, and there is a concern that the power supply device (not shown) is idle, causing waste of resources. Please also ask the second and fourth pictures (A) and 4 of McCaw. As shown in the fourth picture, this case is to provide another expandable / expandable power connector structure (the structure of the expandable power connector structure (20)) ( 40). And the expandable power connection base structure (40) has all the above-mentioned structures that are the same as the structure of the expandable power connection base structure (20). However, please refer to the second figure (A). In the expandable power connection base structure (20), the connection portion (24) and the fixing element (23) are installed on the same side (A), and the groove in the first fastening device (251) and the protruding object (252) are installed on the opposite side with the fixing element (23). Please refer to the fourth figure in the expandable / charge source connection base structure (40) , The groove (451) and the protruding item (452) in the first fastening device (45) are mounted on the same side with the retaining element (43), and the connecting portion (44 ) Are installed on the opposite side (D) with the fixing element (43). Please refer to the fifth figure, which is a schematic structural diagram of an expandable power connector (50) according to another preferred embodiment of the present invention, as shown in the figure. , The expandable The source connection base structure (50) includes a 20-hole slot connection base (51), a 4-hole slot connection base (52), a ^^ fixing element (53), a connection portion (54), and a first A fastening device (55) and a second fastening device (56), wherein the first fastening device (55) includes a first groove (551) on the ^ hole slot connecting seat (51), and It includes a first protruding object (552) on the 4-hole slot connecting base (52), and the second fastening device (56) includes a second groove (mi) on the 20-hole slot connecting base ( 51), and a second protruding object (562) on the 4-hole slot connection base (52). &Quot; 9 M264685 20: C? ^ (54), the expandable power connection base structure (50) The car ϋΐϋ) has no 4-hole slot connection base (52) to be partially connected, and the fit fit, hole-channel connection base (51) and the 4-hole slot connection base (52) are pivoted · Two eight different two-hole slots The connection seat ⑸) and the 4-hole slot connection seat (52) to it === _ the position of the second protruding object_, adjacent to it; and) and the 4-hole slot connection seat (52) are closely connected to each other. Snap and charge, material: ΐ 古, the slot connection base (51) and the 4-hole slot connection base (52) are assembled to expand i λ degree assembly _ sex 2 4-hole slot connection socket ⑽). And the connection-thunder ΐϋ () can be used to fix the expandable power connection socket 其他 to other details, as described in the previous paragraph, so ^^ this is not negative. Please refer to The sixth diagrams (A) and (B) are schematic diagrams of the front and rear expansion of the structure of the socket (60) of another preferred embodiment of the present invention. As shown in the figure, the structure (6G) of the socket includes:-2G hole and slot connection Block (61), one and two: snap-fitting element, first-fastening device, and first, wherein the first fasten splitting system includes-the first _ flute λ + object (642), And the first protruding item (642) is formed by two ^ 2U422), and the second fastening device ⑽) is a package: pieces' and a second protruding item (652), and the second protruding item = t is formed by ejection springs (6521, 6522). The first groove Γ i / 1 is on the connection base (61), the first-projecting spring piece ⑽1,6422), and the second groove (651) is located on the second groove. The hole slot if ϋ) and the second protruding elastic pieces (6521, 6522) are located on the 4-hole slot connecting seat (62). The first recesses (641) and the first protruding spring pieces (6421, 6422) and the second recesses ⑽) and the second protruding spring pieces 521 are respectively connected by snap-fitting, 6522) 'Make the 20H slot connector (61) and the 4H slot connector (62) tightly engage with each other. * Laiji 2Q Kongcai socket ⑽ and the 4H slot connector (62) Assembly Expansion 'to form—M264685 with highly assembled flip-percent slot, seat (60). And then ‘the card ’s power connector (60) to-telegraph, Feng Luyi ,, f is used to fix the 5H, which can be expanded as described in the previous paragraph, so it is not on). For other details, connect the base and ^ 1 1 ^ The expandable power supply provided by the above-mentioned better real shot ^ and / snap-on movable design to increase its expandability, or remove 'so it can reduce inventory and The considerable burden on cost can be as needed and the = seat and its fastening device can increase the customer's flexibility in replacing the new electrical products and the power supply device, so this creation has the value of industrial development. However, this case can be modified by anyone who is familiar with this technology. Anyone who wants to protect the scope of the patent application is attached. [Schematic description] The first picture is a conventional 12-hole power connector and Schematic diagram of the 12-pin terminal connector connected to it before assembly; The second diagrams (A) and (B) are schematic diagrams before and after assembly of the expandable power connector structure of the first preferred embodiment of the creation; The second figure (A), (B) is the connection and application diagram of the expandable power connector base structure and the terminal connectors of different stages in the first preferred embodiment of the creation; the fourth diagram is the second in the creation Schematic diagram of the structure of the expandable power connection base of the preferred embodiment; FIG. 5 is a diagram of the structure of the expandable power connection base of the third preferred embodiment of the present invention; and FIG. 6 (A), (B), It is a schematic diagram of the structure of the expandable power connection base before and after the assembly of the fourth preferred embodiment of the present invention. [Description of main component symbols] Connection base can be expanded. Connection base terminal connector terminal 10 2 0 30 40 50 60 13 31 36 14 311 361 11 M264685 11 23 43 53 63 clamping element 24 33 44 54 connecting part 25 32 45 55 56 64 65 Fastening device 251 451 551 561 641 651 Groove 252 452 552 562 642 652 Projecting object 6421 6422 6521 6522 Projecting spring 12