562941 A7 ______B7____ 五、發明説明（1 ) (1) 產業上之利用領域： 本發明係關於一種在進行印刷電路板之配線電路之檢 查時使用之印刷電路板之檢查工具。 (2) 習知技術： 以前’眾所周知，作為印刷電路板之配線電路之檢查 工具’如第6圖所示，在工具基座3〇上具有存在規定間隔、 並進退自如地保持的一對插棒31。由收納於工具基座内 之彈簧32對各個插棒31向前進方向施力。插棒31以及彈簧 32具有導電性，並且插棒31和彈簧32以電導狀態連接。 工具基座30，具有以相互絕緣狀態收納兩彈簧32之彈 簧固定板33，和與彈簧固定板33重合並收納與各個彈簧32 的一端接觸之導電性接點34之接點固定板35。接點34通過 連接套官36與導線37連接，導線37接在未圖示之測定裝置 上。另外，兩插棒31具有大直徑部38，為防止脫出、可進 退自如地被保持在工具基座30之插棒收納部39中。 具有這樣結構之檢查工具，將兩插棒31之各個尖端4〇 壓接在未圖示之印刷電路板之配線電路上，通過由上述之 測定裝置測定配線之間之導通，進行配線電路檢查。 但是近年來，印刷電路板之配線電路被高密度化，隨 著廷種變化，希望進行更為狹小間隔之配線電路之檢查。 因此，為進行這種之高密度化之配線電路之檢查，可以將 兩插棒31、31之兩尖端40、4〇之間隔尺寸χ考慮得更小。 因·此，對於以前檢查工具之結構，為使兩插棒31、31 之兩尖端40、40的間隔尺寸χ更小，而把插棒31以及彈簧32 本紙張尺度翻巾関緖準（⑽Α4規格（21()><297公愛) 4 .....----- (請先閲讀背面之注意事項再填寫本頁) 訂· 562941 A7 ____Β7_ 五、發明説明（2 ) 的外徑變小，把插棒31以及彈簧32作成小直徑而使兩插棒 31、31的間隔以及兩彈簧32、32的間隔一同接近。 但疋’由於將插棒31的外徑變小，會使插棒3 1之強度 ’ 降低’同時，由於將彈簧32的外徑變小，會使為把插棒3 1 之尖端40可靠地壓接在配線電路上之壓接力變得不足，發 生接觸不良，存在有降低檢查精度之情況。 齡為消除這種情況，本發明之目的在於提供一種能夠不 將插棒以及彈簧之直徑變小，卻能將兩插棒尖端的間隔尺 寸變小’能以南精度進行被高密度化之配線電路檢查之檢 查工具。 (3)發明之内容： 為達到上述目的，本發明之印刷電路板之檢查工具， 係包括工具基座、沿軸線方向進退自如並存在一定間隔地 被保持在該工具基座上的一對具有導電性之插棒、對收納 於上述工具基座上之各插棒朝前進方向施力之彈簧；將兩 1 插棒之尖端壓接在印刷電路板之配線電路上，通過藉電連 接兩插棒之測疋裝置，進行該配線電路檢查之印刷電路板 之k查工具，其特徵在於，兩插棒具有一端與上述彈簧連 接之基部、從該基部之另一端延伸並形成上述尖端之延伸 - 部和將該延伸部與上述基部連接之連接部，兩插棒之各個 連接部，藉使兩延伸部的間隔小於兩基部的間隔之方式連 接延伸部和基部。 根·據本發明，通過上述連接部，使兩插棒之延伸部的 間隔小於兩插棒之基部以及彈簧的間隔。由此，不必將彈 本紙張尺度適财_ Α_ (2ΐ0χ297_ ------ .......................裝..... (請先閲讀背面之注意事項再填寫本頁) 丨 :線丨 562941 A7 發明說明（ 育、基部以及延伸部的外徑變小，可使兩延伸部的間隔變 ]亦可以進行高精度之高密度化配線電路檢查。 作為本發明的一實施方式，其特徵在於，上述插棒之 連接。卩’通過將上述延伸部之側面以能導電之方式與上述 基邻之側面接合而形成。這樣，通過在連接部將延伸部之 側面與基部之側面接合，能夠容易地使兩延伸部的間隔相 對於兩基部的間隔變小。並且，由於結合基部和延伸部之 連接錢延伸部在基部之徑向偏移位置，所以能夠防止插 手〜軸線旋轉，可以維持兩延伸部之尖端的一定間隔。 另外，作為本發明之其它之實施方式，其特徵在於， :述插棒之基部、連接部和延伸部形成為連續的一體， 該連接部位於基部和延伸部之交界處，並以使兩延伸部的 間隔小於兩基部的間隔之形狀進行-曲。這樣，㈣曲該 連接部就能夠使兩延伸部的間隔比兩基部的間隔變小。而 連接#之f曲里，可以調節兩延伸部間隔與兩基部 間隔之差’使兩延伸部尖端的間隔成為更正確之所希望的 間隔°進而由於由彎曲部之連接料防止㈣沿軸線之旋 轉，所以能夠維持兩延伸部尖端的一定間隔。 另外，在本發财，其频在於，兩轉之尖端形成 :各延伸部之相對向之周邊部。例如在延伸部之軸線上設 置尖端時，兩尖端的間隔尺寸為兩延伸部之軸線間隔。而 «轉明，通過在各延㈣之相對向側之周邊部形成尖 、，能.使尖端之間更接近_個各個延伸部之半徑尺寸。 另外，在本發明中，其特徵在於，上述工i基座，包 f清先聞漬背面之生意事頃再唭寫本頁) 562941 A7 _____ _B7_ 五、發明説明（4 ) 括具有上述延伸部插入之插通孔、並具有固定形成在該延 伸部和上述連接部之交界處之台階且阻止插棒脫出之第1 固定部之第1板部件，和與該第1板部件重合、並形成有收 納滑動自如之上述連接部且在延伸部之進退方向進行引導 之孔狀引導部之第2板部件，和與該第2板部件重合、並具 有使上述基部插入之插通孔、且具有固定形成在該基部和 上述連接部之交界處之台階、限定該連接部之規定的後退 位置之第2固定部第3板部件，和與該第3板部件重合、並形 成有收納上述彈簧之孔狀之彈簧收納部之第4板部件。 為此’通過由多個板部件重疊而構成上述工具基座， 能夠順利地組裝檢查工具。即，在組裝檢查工具時，先使 第2板部件與第3板部件重合後，把插棒之連接部插通保持 在第2板部件上。 、接著使弟2板部件離開第3板部件，使兩插棒之尖^端位 於第2板部件的内部。在該狀態下，將第1板部件與第2板部 件重合’再以維持第2板部件和第1板部件之重合狀態，使 第2板部件與第3板部件重合。這樣，在使兩插棒之尖端插 入第1板部件12之兩插孔時，兩尖端不會與兩插孔之端部角 部發生干涉，能夠順利地進行組裝。 (4)簡單之圖面說明··斷面圖 第1圖係表示本發明一實施例之檢查工具之主要部分 結構之縱剖視圖。 第.2(a)圖係表示本發明一實施例之檢查工具之部分組 裝工序之說明圖，（b)係繼續（a)之檢查工具之部分組裝工 本紙張尺度適用中國國家標準（CNS) Α4規格（21〇><297公爱） .......................裝.................、ΤΓ..................線 (請先閲讀背面之注意事項再填寫本頁) 562941562941 A7 ______B7____ V. Description of the invention (1) (1) Fields of application in the industry: The present invention relates to a printed circuit board inspection tool used in the inspection of the printed circuit board's wiring circuit. (2) Conventional technology: As shown in Fig. 6, a conventionally known "tool for inspecting wiring circuit of printed circuit boards" has a pair of plugs at a predetermined interval on the tool base 30, which can be moved forward and backward freely. Stick 31. Each plunger 31 is urged in a forward direction by a spring 32 housed in a tool base. The plunger 31 and the spring 32 have conductivity, and the plunger 31 and the spring 32 are connected in an electrically conductive state. The tool base 30 includes a spring fixing plate 33 that accommodates two springs 32 in a mutually insulated state, and a contact fixing plate 35 that merges with the spring fixing plate 33 and houses a conductive contact 34 that comes into contact with one end of each spring 32. The contact 34 is connected to a lead 37 through a connecting sleeve 36, and the lead 37 is connected to a measuring device (not shown). The two plungers 31 have a large diameter portion 38, and are held in the plunger receiving portion 39 of the tool base 30 so as to be able to move forward and backward in order to prevent detachment. With the inspection tool having such a structure, each tip 40 of the two pins 31 is crimped to a wiring circuit of a printed circuit board (not shown), and the conduction between the wirings is measured by the above-mentioned measuring device to perform wiring circuit inspection. However, in recent years, the density of the wiring circuits of printed circuit boards has been increasing, and it is desirable to perform inspections of wiring circuits with a narrower interval in accordance with changes in the types of wiring. Therefore, in order to perform such a high-density wiring circuit inspection, the interval size χ between the two tips 40, 40 of the two pins 31, 31 can be considered smaller. Therefore, for the structure of the previous inspection tool, in order to make the space size χ of the two tips 40, 40 of the two pins 31, 31 smaller, the pins 31 and the spring 32 are turned over to the paper size (绪 Α4). Specifications (21 () > < 297 public love) 4 .....----- (Please read the notes on the back before filling out this page) Order · 562941 A7 ____ Β7_ V. Description of the invention (2) The outer diameter becomes smaller, and the plunger 31 and the spring 32 are made smaller in diameter so that the interval between the two plungers 31 and 31 and the interval between the two springs 32 and 32 are close to each other. However, since the outer diameter of the plunger 31 is reduced, At the same time, the strength of the plunger 31 will be reduced. At the same time, because the outer diameter of the spring 32 is reduced, the crimping force for crimping the tip 40 of the plunger 31 to the wiring circuit will be insufficient. Poor contact may reduce the accuracy of inspection. To eliminate this problem, an object of the present invention is to provide a method that can reduce the distance between the tips of two pins without reducing the diameter of the pins and springs. Inspection tool capable of inspecting high-density wiring circuits with a high degree of accuracy. (3) Within the invention Content: In order to achieve the above-mentioned object, the inspection tool for a printed circuit board of the present invention includes a tool base, a pair of conductive pins that are advancing and retracting along the axis direction and are held on the tool base with a certain interval. Springs for urging each of the plugs stored on the tool base in the forward direction; crimping the tips of two 1-plugs to the wiring circuit of the printed circuit board, and connecting the two plugs by electricity through a measuring device A k-checking tool for a printed circuit board for conducting the wiring circuit inspection, characterized in that the two pins have a base connected at one end to the spring, extending from the other end of the base and forming an extension of the tip, and the extension The connecting part connected to the above-mentioned base part, and each connecting part of the two pins is connected to the extension part and the base part so that the distance between the two extension parts is smaller than the distance between the two base parts. According to the present invention, the two The interval between the extensions of the plunger is smaller than the interval between the base of the two plungers and the spring. Therefore, it is not necessary to adapt the size of the paper to the paper _ Α_ (2ΐ0χ297_ ------ ........... ....... ..... Packing ..... (Please read the precautions on the back before filling this page) 丨: Line 丨 941941 A7 Description of Invention (The outer diameter of the base, extension and extension is reduced, which can make the two extensions Interval change] can also perform high-precision high-density wiring circuit inspection. As an embodiment of the present invention, it is characterized by the connection of the above-mentioned plug. 卩 'By connecting the side surface of the extension part with the conductive way The side surfaces of the base adjacent to each other are formed. In this way, the side surface of the extension portion and the side surface of the base portion are joined at the connecting portion, so that the interval between the two extension portions can be easily reduced relative to the interval between the two base portions. The extension is connected to the extension. The extension is in the radial offset position of the base, so it can prevent the hand from interfering with the axis rotation, and it can maintain a certain distance between the tips of the two extensions. In addition, as another embodiment of the present invention, the base portion, the connecting portion, and the extension portion of the plunger are formed as a continuous body, and the connecting portion is located at the boundary between the base portion and the extension portion so that the two extend The shape of the interval between the portions is smaller than the interval between the two base portions. Thus, by bending the connecting portion, the interval between the two extending portions can be made smaller than the interval between the two base portions. In the connection # 之 曲, the difference between the distance between the two extensions and the distance between the two bases can be adjusted to make the distance between the tips of the two extensions more accurate and desired. ° Furthermore, the connecting material of the bending part prevents the Rotate so that a certain distance between the tips of the two extensions can be maintained. In addition, in this fortune, the frequency is that the two turns of the tip are formed: the opposite peripheral part of each extension. For example, when a tip is provided on the axis of the extension, the distance between the two tips is the axis of the two extensions. And «turning out, by forming sharp points at the peripheral portions of the opposite sides of each extension, it is possible to make the points closer to the radius of each extension. In addition, in the present invention, it is characterized in that the above-mentioned base is covered with the business matters on the back, and then this page is written.) 562941 A7 _____ _B7_ 5. The invention description (4) includes the extension The inserted through hole has a first plate member for fixing the step formed at the junction of the extension portion and the connection portion and preventing the plunger from coming out, and overlaps with the first plate member and merges with the first plate member. A second plate member formed with a hole-shaped guide portion for accommodating the above-mentioned connecting portion that slides freely and guiding in the advance and retreat directions of the extension portion; and an insertion hole that overlaps the second plate member and has the base portion inserted therein, and A second fixing portion and a third plate member having a step fixedly formed at an interface between the base portion and the connecting portion, defining a predetermined retracted position of the connecting portion, and a third plate member overlapping with the third plate member and housing the spring The fourth plate member of the hole-shaped spring storage portion. For this reason, by constructing the above-mentioned tool base by overlapping a plurality of plate members, the inspection tool can be smoothly assembled. That is, when assembling the inspection tool, the second plate member and the third plate member are overlapped, and then the connection portion of the plunger is inserted into and held on the second plate member. Then, move the second plate member away from the third plate member so that the tip end of the two plungers is located inside the second plate member. In this state, the first plate member and the second plate member are overlapped 'and the second plate member and the third plate member are overlapped while maintaining the overlap state of the second plate member and the first plate member. In this way, when the tips of the two pins are inserted into the two insertion holes of the first plate member 12, the two tips can be smoothly assembled without interfering with the corners of the ends of the two insertion holes. (4) Brief illustration of the drawing .. Sectional view. Fig. 1 is a longitudinal sectional view showing the structure of a main part of an inspection tool according to an embodiment of the present invention. No. 2 (a) is an explanatory diagram showing a part of the assembling process of the inspection tool according to an embodiment of the present invention, and (b) is a part of the assembling tool of the inspection tool continued in (a). Specifications (21〇 > < 297 public love) ........................... ..., ΤΓ ........ line (please read the precautions on the back before filling this page) 562941
序’⑷係繼續⑻之檢查工具之部分組裝工序，⑷係繼續⑷ 之檢查工具之部分組裝工序之說明圖。 第3圖係表示插棒之另一例之說明圖。 第4圖係表示插棒之又一例之說明圖。 第5圖係表示插棒之另一例之說明圖。 第6圖係說明習知之檢查工具之主要結構之剖視圖。 圖中· 1 —檢查工具，2—工具基座，3、25、26、27一 插棒，4一彈簧，5—尖端，6一基部，7一延伸部，8、8χ、 8y、8ζ —連接部。 (5)實施本發明之最佳形態： 不 第 (請先閲讀背面之注意事項再填窝本頁) •、句丨 下面，根據附圖說明本發明之實施例。第丨圖係表示本 貫施例之檢查工具主要部分結構之縱剖視圖，第2圖係表 本貫％例之檢查工具之部分組裝工序之說明圖，第3圖至 5圖係表示插棒之其他例子之說明圖。 本實施例之檢查工具丨，如第丨圖所示，具有工具基座 2、進退自如地被保持於該工具基座2上並位於相鄰位置之 至少對插棒3、對各插棒3向前進方向施力之彈簧4，將2 個插棒3之尖端5壓接在未圖示之印刷電路板之配線電路 上，進行配線之間之導通檢查。 上述插棒3,為獲得導電性而由金屬形成，並由與上述 之彈簧4連接之基部6、向工具基座2外方延伸之延伸部7、 連接延伸部7和基部6之連接部8構成。在延伸部7上形成之 尖端5 ’·被形成在該延伸部7相互對向一側之周邊上。 在基部6之側面，例如通過使用錫焊等具有導電性之接 本紙張尺度· (CNS) A4^ (210X297^) 562941 A7 B7 五、發明説明（ 合方法接合延伸部7的側面而形成連接部8。另外，在該連 接部8上，延伸部7之轴線b偏心於基部6之軸線a。此時之兩 延伸部7之偏心方向，朝相互接近方向靠近，使延伸部了的 間隔比兩基部6的間隔小。 上述彈簧4為金屬制，並在插棒3之基部6處構成電連接 狀態。另外，彈簧4與接點9接觸，該接點9通過由接線套管 1〇連接之導線11與未圖示之測.定裝置連接。該測定裝置係 測疋配線電路之導通之裝置。 上述工具基座2，自圖中上方按順序，由第丨〜第5之板 邛件12、13、14 ' 15、16之重疊而構成。第！板部件12，具 有插入上述延伸部7之插孔17和對上述連接部8之台階部固 定而不脫出之第1固定部18。與第丨板部件12重合之第2板部 件13，具有滑動自如地收納上述連接部8並為延伸部7在進 退方向上進行引導之引導部19。與第2板部件13重合之第3 板部件14’具有插入上述基部6之插通孔2〇和對上述連接部 8之台階部固定並限制延伸部7的後退位置之第2固定部 21。由此，插棒3通過工具基座2之第丨〜第3之板部件12、 13、14 ’以不可脫出之狀態進退自如地被保持。另外，由 於第1板部件12之插孔17和第3板部件14之插通孔20，根據 延伸部7和基部6之位置而引導延伸部7和基部6，所以可防 止以插棒3長方向為軸之旋轉。 另外，與第3板部件14童合之第4板部件15，具有收納 與上述.插棒3之基部6連接之彈簧4之彈簧收納部22,與該第 4板部件15重合之第5板部件16,具有保持上述接點9之接點 本紙張尺^用中國國家標準（CNS) A4規格（210X297公釐） --------------..........裝..................訂..................線· (請先閲讀背面之注意事項再填寫本頁) 562941 A7 ______B7 五、發明説明（7 ) ' 保持部2 3。 這樣構成之檢查工具1，如第丨圖所示，延伸部7之軸線 b對於基部6之軸線a朝相互接近方向偏心，並且由於兩尖端 5在延伸部7之相互對向之周圍邊緣形成，所以插棒3和彈菩 4之外徑不變小，亦可將兩尖端5的間隔尺寸义大大縮小。進 而由於插棒3通過連接部8之相互對向之周圍邊緣形成，所 以插棒3和彈簧4之外徑不變小，亦可將兩尖端5的間隔尺寸 X大大縮小。進而由於插棒3通過連接部8被阻止旋轉地保持 在工具底座2中，所以能夠可靠地維持兩尖端5的間隔尺寸 X。由此，根據本實施例，能夠高精度且可靠地檢查高密度 化之印刷電路板之配線電路。 本實施例之檢查工具1能濟按如下順序進行組裝。首 先’如第2(a)圖所示，在第3板部件14上重合第2板部件13， 使第2板部件13之引導部19與第3板部件14之插通孔20連 通。然後如第2(b)圖所示，將插棒3之基部6以及連接部8插 通並保持在引導部19以及插通孔20内。 然後如第2(c)圖所示，使第2板部件13上升，將兩尖端 5位於引導部丨9的内部，在該狀態下，使第2板部件13和第1 板部件12重合。此後如第2(d)圖所示，使第2板部件13和第 1板部件12整体下降，使第2板部件13重合在第3板部件14 上。依此做法，將兩插棒3、3之尖端5、5，在插通第1板部 件12之兩插孔π、17時，兩尖端5、5不會與兩插孔17、17 之隔壁.部24的下端角部發生干涉而能夠進行圓滑地組裝。 另外，對於第4板部件15以及第5板部件16，如第2(d) 本紙張尺度適用中國國家標準（CNS) A4規格（210x297公釐） 10 f請先閲讀背面之>4意事項再場寫本頁jThe sequence ⑷ is a part of the assembly process of the inspection tool which is continued, and is an explanatory diagram of the part of the assembly process of the inspection tool which is continued. Fig. 3 is an explanatory diagram showing another example of a plunger. Fig. 4 is an explanatory diagram showing another example of the plunger. Fig. 5 is an explanatory diagram showing another example of a plunger. FIG. 6 is a cross-sectional view illustrating a main structure of a conventional inspection tool. In the picture · 1—inspection tool, 2—tool base, 3, 25, 26, 27—insert rod, 4—spring, 5—tip, 6—base, 7—extension, 8, 8x, 8y, 8ζ — Connection section. (5) The best form for implementing the present invention: No (please read the precautions on the back before filling this page) • Sentences 丨 Below, the embodiments of the present invention will be described with reference to the drawings. Figure 丨 is a longitudinal cross-sectional view showing the structure of the main part of the inspection tool of the present embodiment, and Figure 2 is an explanatory diagram of part of the assembly process of the inspection tool of the present example. Illustrations of other examples. The inspection tool of this embodiment has, as shown in FIG. 丨, a tool base 2, at least a pair of pins 3 and a pair of pins 3, which are held on the tool base 2 freely and located adjacent to each other. The spring 4 urging in the forward direction presses the tips 5 of the two pins 3 on a wiring circuit of a printed circuit board (not shown) to conduct a continuity check between the wirings. The above-mentioned plunger 3 is formed of metal to obtain electrical conductivity, and is composed of a base portion 6 connected to the spring 4 described above, an extension portion 7 extending outward of the tool base 2, and a connection portion 8 connecting the extension portion 7 and the base portion 6. Make up. A tip 5 'formed on the extension portion 7 is formed on the periphery of the extension portion 7 facing each other. On the side of the base 6, for example, by using a conductive paper size such as soldering (CNS) A4 ^ (210X297 ^) 562941 A7 B7 V. Description of the invention (joining the side of the extension 7 with a method to form a connecting portion 8. In addition, on this connecting portion 8, the axis b of the extension portion 7 is eccentric to the axis a of the base portion 6. At this time, the eccentric directions of the two extension portions 7 approach each other, so that the interval ratio between the extension portions is increased. The distance between the two base portions 6 is small. The above-mentioned spring 4 is made of metal and forms an electrical connection state at the base portion 6 of the plunger 3. In addition, the spring 4 is in contact with a contact point 9 which is connected by a connection sleeve 10 The lead wire 11 is connected to a measuring device which is not shown in the figure. The measuring device is a device for measuring the continuity of the wiring circuit. The above-mentioned tool base 2 is in order from the upper part of the figure, from the first to the fifth boards. 12, 13, 14 '15, 16 are overlapped. The first! Plate member 12 has a insertion hole 17 inserted into the extension portion 7 and a first fixing portion 18 fixed to the step portion of the connection portion 8 without coming out. The second plate member 13 which overlaps with the first plate member 12 has a slidable storage The connection portion 8 is also a guide portion 19 for guiding the extension portion 7 in the advance and retreat directions. The third plate member 14 'overlapping with the second plate member 13 has an insertion hole 20 inserted into the base portion 6 and the connection portion The step portion 8 is fixed to the second fixing portion 21 which restricts the retracted position of the extension portion 7. Therefore, the plunger 3 passes through the third to the third plate members 12, 13, and 14 of the tool base 2 so as not to come out. The state of movement is maintained freely. In addition, since the insertion hole 17 of the first plate member 12 and the insertion hole 20 of the third plate member 14 guide the extension portion 7 and the base portion 6 according to the positions of the extension portion 7 and the base portion 6, Therefore, it is possible to prevent the rotation about the long direction of the plunger 3. In addition, the fourth plate member 15 which is in conjunction with the third plate member 14 has a spring accommodating portion for accommodating the spring 4 connected to the base 6 of the plunger 3. 22, the fifth plate member 16 which coincides with the fourth plate member 15 has the contact point for holding the above-mentioned contact point 9 and the paper ruler ^ uses the Chinese National Standard (CNS) A4 specification (210X297 mm) ------ --------............. Installation ............ Order ............ ...... Line · (Please read the notes on the back before filling this page) 562941 A7 ______B7 V. Description of the invention (7) 'Holding section 2 3. As shown in the figure, the inspection tool 1 configured as described above, the axis b of the extension 7 is eccentric to the axis a of the base 6 toward each other, and because The two tips 5 are formed at the peripheral edges of the extensions 7 facing each other, so the outer diameters of the pins 3 and 4 are not small, and the size of the space between the two tips 5 can be greatly reduced. The peripheral edges of the connecting portions 8 facing each other are formed, so the outer diameters of the plunger 3 and the spring 4 are not small, and the interval X between the two tips 5 can also be greatly reduced. Furthermore, since the plunger 3 is held in the tool base 2 while being prevented from rotating by the connecting portion 8, the distance X between the two tips 5 can be reliably maintained. Therefore, according to this embodiment, it is possible to inspect the wiring circuit of a high-density printed circuit board with high accuracy and reliability. The inspection tool 1 of this embodiment can be assembled in the following order. First, as shown in FIG. 2 (a), the second plate member 13 is superposed on the third plate member 14 so that the guide portion 19 of the second plate member 13 and the insertion hole 20 of the third plate member 14 are communicated. Then, as shown in FIG. 2 (b), the base portion 6 and the connection portion 8 of the plunger 3 are inserted and held in the guide portion 19 and the insertion hole 20. Then, as shown in FIG. 2 (c), the second plate member 13 is raised, and the two tips 5 are located inside the guide portion 9; in this state, the second plate member 13 and the first plate member 12 are overlapped. Thereafter, as shown in Fig. 2 (d), the second plate member 13 and the first plate member 12 are lowered as a whole, and the second plate member 13 is superposed on the third plate member 14. In this way, when inserting the tips 5 and 5 of the two plugs 3 and 3 through the two holes π and 17 of the first plate member 12, the two tips 5, 5 will not be next to the two holes 17, 17 The corners of the lower end of the. Section 24 interfere with each other and can be smoothly assembled. In addition, for the fourth plate member 15 and the fifth plate member 16, such as 2 (d), this paper size applies the Chinese National Standard (CNS) A4 specification (210x297 mm). 10 f Please read the > Write this page again
五、發明説明（8 ) 圖所示，將接點9裝在第5板部件16之接點保持部23後，使 第4板部件15重合在第5板部件16上，並在該第4板部件15 之彈簧收納部22插入彈簧4。 然後將重疊之第1板部件12以及第2板部件13之第3板 部件14重合在第4板部件15上，使插棒3之基部6與在第4板 部件15之彈簧收納部22内之彈簧4接觸。由此形成第1圖所 示之檢查工具1。 . 並且，在本實施例中，如第1圖所示，採用了在連接部 8使基部6和延伸部7偏心並由錫焊等進行接合之插棒3，對 於本發明之插棒之連接部並不限於此。亦可以例如在第3 圖中所示，對於基部6和延伸部7為整体之插棒25,在基部6 和延伸部7之交界處形成圓柱狀之連接部8x，並使延伸部7 之軸線b對於基部6之軸線a偏心。該插棒25把基部6、連接 部8x以及延伸部7形成為一体，組裝時不僅容易操作，還可 得到南強度。 另外’如第4圖所示，對於基部6和延伸部7為整体之插 棒26，亦可以把基部6和延伸部7之交界處彎曲成為連接部 8y。該連接部8y係使延伸部7之軸線b對於基部6之軸線a偏 心彎曲而成之構件，由此，能夠使相鄰之插棒26之間之延 伸部7接近。然後可進一步通過所設置之彎曲之連接部心， 月b夠按所希望之尺寸調節連接部&之彎曲量而使延伸部7 之轴線b相對於基部6之軸線a偏心，由此，能夠將相鄰之插 棒26之·間之延伸部7的間隔按所希望的間隔接近。 此外’如第5圖所示，對於基部6和延伸部7為一体之插 562941 A7 -----------______五、發明説明（9 ) 棒27，亦可將基部6和延伸部7之交界屠彎曲成多個鋸齒 狀，形成連接部8z。由此，在如第1圖所示之引導部19中收 納第5圖所示之連接部肚時，與第1圖所示之用錫焊等接合 之連接部8同樣，在該引導部19中對連接部8z之引導穩定， 能夠精度良好地進行插棒27之進退。 另外’對上述之實施例之各個插棒3、25、26、27中， 抓用了大端5被形成在延伸部7之周圍邊緣之結構，對其它 雖未圖，但亦可以設置在延伸部7之轴線上形成之尖端 ( >第6圖之穴端4〇)、而僅通過由上述連接部$、仏、^、 8Z構成之延伸部7之偏心使尖端之間接近。把尖端形成在延 伸邛7之周圍邊緣或形成在延伸部7之軸線上，可根據印刷 電路板之配線電路之密度，在其中進行選擇。 (請先閲讀背面之注意事項再嶙寫本頁) 訂· 4規格（210X297公釐） 12 562941 A7 B7 五、發明説明（10 ) 5.. .尖端 6.. .基部 7.. .延伸部 8、8x、8y、8z···連接部 9…接點 1.. .檢查工具 2.. .工具基座 3 ' 25、26、27···插棒 4…彈簧 10…接線套管 11.. .導線 12…第1板部件 13…第2板部件 14…第3板部件 15.. .第4板部件 16…第5板部件 17…插孔 元件標號對照 18…第1固定部 19.. .引導部5. Description of the invention (8) As shown in the figure, after the contact 9 is mounted on the contact holding portion 23 of the fifth plate member 16, the fourth plate member 15 is superposed on the fifth plate member 16 and the fourth plate member 16 The spring accommodating portion 22 of the plate member 15 is inserted into the spring 4. Then, the first plate member 12 and the third plate member 14 of the second plate member 13 are overlapped on the fourth plate member 15 so that the base 6 of the plunger 3 and the spring accommodation portion 22 of the fourth plate member 15 are overlapped. The spring 4 is in contact. Thus, the inspection tool 1 shown in Fig. 1 is formed. In addition, in this embodiment, as shown in FIG. 1, a plug 3 is used in which the base portion 6 and the extension 7 are eccentric at the connection portion 8 and are joined by soldering or the like, and the plug of the invention is connected The department is not limited to this. For example, as shown in FIG. 3, for the insert rod 25 in which the base portion 6 and the extension portion 7 are integrated, a cylindrical connection portion 8x is formed at the boundary between the base portion 6 and the extension portion 7, and the axis of the extension portion 7 is formed. b is eccentric to the axis a of the base 6. The plunger 25 integrates the base portion 6, the connecting portion 8x, and the extension portion 7 into one body, which is not only easy to handle during assembly, but also provides strength in the south. In addition, as shown in FIG. 4, for the plunger 26 in which the base portion 6 and the extension portion 7 are integral, the junction of the base portion 6 and the extension portion 7 may be bent to form a connecting portion 8y. The connecting portion 8y is a member obtained by eccentrically bending the axis b of the extension portion 7 with respect to the axis a of the base portion 6, thereby enabling the extension portions 7 between the adjacent pins 26 to approach. Then, by further setting the bent connecting part center, the moon b can adjust the bending amount of the connecting part & according to the desired size to make the axis b of the extension part 7 eccentric with respect to the axis a of the base part 6, thereby, The interval between the extension portions 7 between the adjacent pins 26 can be made closer to each other at a desired interval. In addition, 'as shown in Figure 5, for the insertion of the base 6 and the extension 7 as a whole 562941 A7 -----------______ V. Description of the invention (9) Rod 27, the base 6 can also be The boundary with the extension portion 7 is bent into a plurality of jagged shapes to form a connection portion 8z. Therefore, when the connection portion shown in FIG. 5 is accommodated in the guide portion 19 shown in FIG. 1, the connection portion 8 joined by soldering or the like shown in FIG. The guidance of the middle connection portion 8z is stable, and the plunger 27 can be advanced and retracted with high accuracy. In addition, for each of the pins 3, 25, 26, and 27 of the above-mentioned embodiment, the structure in which the big end 5 is formed at the peripheral edge of the extension 7 is used. Although not shown, it can also be provided in the extension. The tips formed on the axis of the part 7 (> hole end 40 in Fig. 6) are approached only by the eccentricity of the extension part 7 composed of the above-mentioned connecting parts $, 仏, ^, 8Z. The tip is formed on the peripheral edge of the extension 7 or on the axis of the extension 7 and can be selected according to the density of the wiring circuit of the printed circuit board. (Please read the precautions on the back before copying this page) Order · 4 specifications (210X297 mm) 12 562941 A7 B7 V. Description of the invention (10) 5... Tip 6... Base 7.. Extension 8, 8x, 8y, 8z ... Connection 9 ... Contact 1. Inspection tool 2. Tool base 3 '25, 26, 27 ... Plug 4 ... Spring 10 ... Wiring sleeve 11 .. .. lead 12 ... 1st plate member 13 ... 2nd plate member 14 ... 3rd plate member 15 ... 4th plate member 16 ... 5th plate member 17 ... reference number 18 of the socket element ... 1st fixing portion 19 .. guide
20.. .插通孑L 21.. .第2固定部 •22…彈簧收納部 23…接點保持部 30…工具基座 31…插棒 32…彈簧 33.. .導電性接點 34…接點 35…接點固定板 36…連接套管 3 7...導導線 38…大直徑部 39…插棒收納部 40…尖端 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐）20.. .Through 孑 L 21.... 2 second fixing part • 22... Spring storage part 23... Contact holding part 30... Tool base 31... Contact 35 ... Contact fixing plate 36 ... Connecting sleeve 3 7 ... Leading wire 38 ... Large diameter portion 39 ... Plug storage portion 40 ... Tip (Please read the precautions on the back before filling this page) Paper size Applicable to China National Standard (CNS) A4 specification (210X297 mm)