201021665 ^ 九、發明說明： . 【發明所屬之技術領域】 本發明係關於一種防水塞及應用該防水塞之電子裝 置’尤其係涉及一種應用該防水塞之翻蓋式電子裝置。 【先前技術】 目前’電子裝置如行動電話一般都有防水設計，以 防止電子裝置掉落於水中時水進入電子裝置之内部而損 壞電子裝置。電子裝置上之防水設計主要有按鍵防水設 ⑩计及柔性接線板防水設計，其中，柔性接線板防水設計 主要應用於翻蓋式電子装置上。翻蓋式電子裝置包括一 本體及可相對本體一端旋轉打開之蓋體，該蓋體與本體 通過一欽鏈連接，且該蓋體與本體上之電路集成單元通 過一柔性接線板連接。柔性接線板從本體之一通孔穿 出，經過所述鉸鏈繞轉後，從蓋體上之一通孔進入蓋體 7邛，達成蓋體上之電路集成單元與本體上之電路集成 .單元之連通。由於柔性接線板分別穿入本體及蓋體，移 動電話掉落於水中時’水易於沿該柔性接線板從蓋體及 本體上通孔流人電子裝置之蓋體及本體之内部。如此， 蓋體及本體上之用於柔性接線板穿過之通孔之防水設計 對於，電子裝置之整體防水設計亦極為重要。 S知通孔之防水設計一般係將一防水塞塞於該通孔 内，該防水塞為-橡膠體，其中部開設有一爽持孔以使柔 陡接線板穿過’該夾持孔之周壁失持該柔性接線板。然該 種防水塞之防水性能較差，水分仍可沿該爽持孔流入電子 6 201021665 '裝置之蓋體或本體之内部。另外，該種防水塞之強度較低， • 在裝配至通孔時不便於裝配。 【發明内容】 鑒於上述内容，有必要提供一種防水性能好且強度高 之防水塞。 另外’還有必要提供一種應用該種防水塞之電子裝置。 -種防水塞，用於防止水分沿電子裝置之柔性接線板 流入殼體内，該防水塞包括一第一主體及一第二主體，該 第一主體及第二主體分別經嵌入式成型形成，所述第一主 體上開設有一第一凹槽，所述第二主體上開設有第二凹 槽，該第一主體與第二主體配合，所述第一凹槽與第二凹 槽相對。 一種應用所述防水塞之電子裝置，包括一殼體、一所 述防水塞、一柔性接線板及複數防水油，該殼體上開設有 一通孔，所述防水塞置於該通孔内，所述防水油填充該第 ❿一凹槽與第二凹槽，該柔性接線板夾持於第一主體與第二 主體之間且穿過所述第一凹槽與第二凹槽所形成之空間。 相較習知技術，本防水塞之第一主體及第二主體經嵌 入式成型形成’該種成型方法為金屬件與塑膠一體成型之 方式’可提高第一主體及第二主體之強度，如此，提高了 本防水塞之強度；所述柔性接線板不僅為第一主體及第二 主體所夾持’水分不易沿該柔性接線板進入殼體内，且由 於所述第一凹槽與第二凹槽填充了所述防水油，水分可被 該種防水油完全阻止，防水性能好。 201021665 - 【實施方式】 請參閱圖1，本發明較佳實施例一防水塞100包括一第 一主體10及一第二主體20。 所述第一主體10包括一第一主體部12及形成於第一主 體部12—端之第一端緣14。所述第一主體部12包括一第一 平面122，該第一平面122延伸到所述第一端緣14上使該第 一主體10形成一呈T形狀之平面。該第一平面122上開設有 一第一凹槽124，該第一凹槽124為一矩形凹槽，其貫通該 ❿第一主體部12之兩端。該第一凹槽124内凸設有複數第一凸 起126，該第一凸起126呈矩形體狀，每一第一凸起126分別 延伸至該第一凹槽124之二側且與構成該第一凹槽124之側 壁連接，每一第一凸起126未凸出於該第一平面122，其與 該第一平面122相隔一預設之距離。該複數第一凸起126將 該第一凹槽124分隔成複數第一收容區128。 所述第二主體20與第一主體10之結構相同，該第二主 ©體20包括第二主體部22及形成於該第二主體部22 —端之第 二端緣24。該第二主體部22包括一第二平面222及形成於該 第二平面222上之第二凹槽224，該第二凹槽224内凸設有複 數第二凸起226,該複數第二凸起226將該第二凹槽224内形 成對應第一收容區128之複數第二收容區228。 請參閱圖2，所述第一主體10經嵌入式成型（insert molding)方法形成，提供一第一金屬片16，將該第一金屬 片16置入一模具（未圖示）之型腔内，然後往該型腔注入 熔融之塑膠，則該塑膠將結合該第一金屬片16形成所述第 8 201021665 ' 一主體10。如此可增強該第一主體10之強度，且該注入之 , 塑膠可選擇具有一定彈性之材料，使該第一主體10之表層 具有一定之彈性。所述第二主體10亦採用同第一主體10相 同之製造方法形成。 請參閱圖3,該第一主體10與第二主體20相對貼合形成 所述防水塞100。該第一主體10之第一平面122與該第二主 體20之第二平面222相對應貼合。所述第一凹槽124與第二 凹槽224相對，每一所述第一凸起126與對應之第二凸起226 ® 相對且該第一凸起126與第二凸起226間形成一間隙1262。 每一所述之第一收容區128與對應之第二收容區228相對且 形成一容置空間1282。所述第一主體10之第一端緣14與第 二主體20之第二端緣24配合形成一周緣142。相應地，該第 一主體10之相對第一端緣14之一端與第二主體20相對第二 端緣24之一端配合形成一收容端144。 請參閱圖4, 一電子裝置之一殼體（如本體）300包括 i^一用於裝配鉸鏈（未圖示）之鉸接端30,該鉸接端30開設 讎 有一通孔32，所述通孔32之形狀大致對應所述防水塞100 之收容端144之形狀，用於容置防水塞100之收容端144。一 用於連接電子裝置殼體300與另一殼體（未圖示，如蓋體） 之電路之柔性接線板40包括一第一連接端42及一第二連接 端44，該第一連接端42用於與殼體300内之電路連接，該第 二連接端44用於與另一殼體内之電路連接。 結合參閱圖5，將該防水塞100裝配於殼體300上時，首 先提供一防水油（未圖示），該防水油可為稠狀體，將該防 9 201021665 尺油刀別填充至第一主體1〇之第一收容區似及第二主體 I第一收容區228内’然後使第—主體1G與第二主體20 所述防水塞1〇°’且使得所述柔性接線板40失持於 a b Γ 1262之間’該柔性接線板4〇為第一凸起126及第二 參 3=26所抵持。接著將該防水塞100之收容端144置入該殼 之通孔32内’由於該收容端144之表層具有-定之彈 办山且由於該防水塞1GG具有—定之強度，可方便地將該收 =端144擠壓於該通孔32内，使該收容端與該通孔⑽ 内：盈配合’以防止水分沿該通孔32之側壁流入殼體謂 請參閱圖6及圖7’可以理解，本防水塞1〇〇可採用另一 =方法製成，所述第-主體1G與第二主體2。可以由一第二 屬片50經嵌入式成型呈一體連接，使得該第一主體忉與 ,、主體20之一端相連接。該第一主體1〇與第二主體加間 =成一夾持口 12〇 ’該夾持口 12〇可便於裝配所述柔性接線 ❹ 40。該夾持口 120閉合後與所述第—主體1〇與第二主體2〇 獨立相對貼合後所形成之防水塞100之整體結構相同。使用 該種方法製作之防水塞1〇〇時，先將該防水油分別填充至第 主體10之第一收容區128及第二主體20之第二收容區228 内，然後閉合所述夾持口 120以夾持所述柔性接線板4〇,使 該柔性接線板4〇為第一凸起126及第二凸起226所抵持。最 後將該防水塞1〇〇之收容端丨44置入該殼體3〇〇之通孔32内。 通過採用該種防水塞100’所述柔性接線板40不僅為所 述第一凸起126及第二凸起226所失持，水分不易沿該柔性 201021665 - 接線板40進入殼體300内，且由於所述容置空間1282内填充 ^ 了所述防水油，水分可被該種防水油完全阻止，如此，形 成雙重保護，水分不能沿該柔性接線板40進入殼體300内。 可以理解，所述第一凹槽124内之第一凸起126可以省 略，相應地所述第二凹槽224内之第二凸起226可以省略， 即所述第一凹槽124與第二凹槽224分別填充防水油後然後 相對配合，夾持所述柔性接線板40。 綜上所述，本發明符合發明專利要件，爰依法提出專 ❿利申請。惟，以上所述者僅為本發明之較佳實施例，本發 明之範圍並不以上述實施例為限，舉凡熟悉本案技藝之人 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】 圖1係本發明較佳實施例防水塞之分解示意圖； 圖2係圖1所示之防水塞内之金屬片之示意圖； 圖3係圖1所示之防水塞之整體示意圖； ® 圖4係本發明較佳實施例防水塞裝配至電子裝置殼體 時之狀態示意圖； 圖5係本發明較佳實施例防水塞裝配至電子裝置殼體 後之狀態示意圖； 圖6係本發明另一方法製作之防水塞所採用之金屬片 之示意圖； 圖7係本發明另一方法製作之防水塞之整體意圖。 11 201021665 【主要元件符號說明】 防水塞 100 第一主體 10 第一主體部 12 第一平面 122 第一凹槽 124 第一凸起 126 間隙 1262 第一收容區 128 容置空間 1282 第一端緣 14 周緣 142 收容端 144 第一金屬片 16 第二主體 20 第二主體部 22 第二平面 222 第二凹槽 224 第二凸起 226 第二收容區 228 殼體 300 鉸接端 30 通孔 32 柔性接線板 40 第一連接端 42 第二連接端 44 第二金屬片 50 夾持口 120BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof plug and an electronic device using the same, and particularly to a flip-type electronic device using the waterproof plug. [Prior Art] At present, electronic devices such as mobile phones generally have a waterproof design to prevent water from entering the inside of the electronic device and damaging the electronic device when the electronic device is dropped in the water. The waterproof design on the electronic device mainly includes the waterproof design of the button and the waterproof design of the flexible terminal board. Among them, the waterproof design of the flexible wiring board is mainly applied to the flip type electronic device. The flip-type electronic device comprises a body and a cover that can be rotated and opened at one end of the body. The cover is connected to the body by a chain, and the cover is connected to the circuit integrated unit on the body through a flexible wiring board. The flexible wiring board is pierced from one of the through holes of the body, and after being rotated by the hinge, the cover body 7邛 is accessed from one of the through holes of the cover body, thereby realizing integration of the circuit integrated unit on the cover body and the circuit on the body. . Since the flexible wiring board penetrates into the body and the cover respectively, when the mobile phone is dropped in the water, the water is easily flowed through the flexible wiring board from the cover body and the through hole of the body to the inside of the cover body and the body of the electronic device. Thus, the waterproof design of the cover and the through hole for the flexible wiring board on the body is also extremely important for the overall waterproof design of the electronic device. The waterproof design of the S-through hole generally inserts a waterproof plug into the through hole. The waterproof plug is a rubber body, and a cool holding hole is formed in the middle portion to allow the flexible terminal plate to pass through the peripheral wall of the clamping hole. Lost the flexible terminal block. However, the waterproof plug has poor waterproof performance, and moisture can still flow into the inside of the cover or body of the device along the refreshing hole. In addition, the waterproof plug has a low strength and is not easy to assemble when assembled to a through hole. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a waterproof plug having good waterproof performance and high strength. In addition, it is also necessary to provide an electronic device using the waterproof plug. a waterproof plug for preventing moisture from flowing into the housing along the flexible wiring board of the electronic device, the waterproof plug comprising a first body and a second body, wherein the first body and the second body are respectively formed by insert molding. A first groove is defined in the first body, and a second groove is defined in the second body. The first body is engaged with the second body, and the first groove is opposite to the second groove. An electronic device using the waterproof plug includes a casing, a waterproof plug, a flexible wiring board and a plurality of waterproof oil, and a through hole is defined in the casing, and the waterproof plug is disposed in the through hole. The waterproof oil fills the first groove and the second groove, and the flexible terminal plate is sandwiched between the first body and the second body and formed through the first groove and the second groove space. Compared with the prior art, the first body and the second body of the waterproof plug are formed by insert molding, and the forming method is a method in which the metal piece and the plastic are integrally formed to improve the strength of the first body and the second body. The strength of the waterproof plug is improved; the flexible wiring board is not only clamped by the first body and the second body; moisture is not easily entered into the casing along the flexible wiring board, and due to the first groove and the second The groove is filled with the waterproof oil, and the moisture can be completely blocked by the waterproof oil, and the waterproof performance is good. 201021665 - Embodiments Referring to FIG. 1, a waterproof plug 100 according to a preferred embodiment of the present invention includes a first body 10 and a second body 20. The first body 10 includes a first body portion 12 and a first end edge 14 formed at the end of the first body portion 12. The first body portion 12 includes a first plane 122 that extends onto the first end edge 14 such that the first body 10 forms a T-shaped plane. A first recess 124 is defined in the first plane 122. The first recess 124 is a rectangular recess extending through the ends of the first main body portion 12. A plurality of first protrusions 126 are formed in the first recess 124. The first protrusions 126 are in a rectangular shape. Each of the first protrusions 126 extends to the two sides of the first recess 124 and is configured. The sidewalls of the first recess 124 are connected, and each of the first protrusions 126 does not protrude from the first plane 122, and is spaced apart from the first plane 122 by a predetermined distance. The plurality of first protrusions 126 divide the first groove 124 into a plurality of first receiving areas 128. The second main body 20 has the same structure as the first main body 10. The second main body 20 includes a second main body portion 22 and a second end edge 24 formed at the end of the second main body portion 22. The second body portion 22 includes a second plane 222 and a second recess 224 formed on the second plane 222. The second recess 224 is convexly provided with a plurality of second protrusions 226. The plurality of second protrusions The second recess 224 defines a plurality of second receiving regions 228 corresponding to the first receiving regions 128. Referring to FIG. 2, the first body 10 is formed by an insert molding method, and a first metal piece 16 is provided. The first metal piece 16 is placed in a cavity of a mold (not shown). Then, the molten plastic is injected into the cavity, and the plastic will be combined with the first metal piece 16 to form the 8th 201021665' body 10. The strength of the first body 10 can be enhanced, and the plastic can be selected to have a certain elasticity to make the surface layer of the first body 10 have a certain elasticity. The second body 10 is also formed by the same manufacturing method as the first body 10. Referring to FIG. 3, the first body 10 and the second body 20 are oppositely fitted to form the waterproof plug 100. The first plane 122 of the first body 10 corresponds to the second plane 222 of the second body 20. The first recess 124 is opposite to the second recess 224, and each of the first protrusions 126 is opposite to the corresponding second protrusion 226 ® and a gap is formed between the first protrusion 126 and the second protrusion 226 . Clearance 1262. Each of the first receiving areas 128 is opposite to the corresponding second receiving area 228 and defines an accommodating space 1282. The first end edge 14 of the first body 10 cooperates with the second end edge 24 of the second body 20 to form a peripheral edge 142. Correspondingly, one end of the first body end 14 opposite the first end edge 14 and one end of the second body 20 opposite the second end edge 24 form a receiving end 144. Referring to FIG. 4, a housing (such as a body) 300 of an electronic device includes a hinge end 30 for assembling a hinge (not shown), and the hinge end 30 defines a through hole 32, the through hole The shape of 32 substantially corresponds to the shape of the receiving end 144 of the waterproof plug 100 for receiving the receiving end 144 of the waterproof plug 100. A flexible terminal block 40 for connecting a circuit of the electronic device housing 300 to another housing (not shown, such as a cover) includes a first connecting end 42 and a second connecting end 44, the first connecting end 42 is for connection to circuitry within housing 300 for connection to circuitry within another housing. Referring to FIG. 5, when the waterproof plug 100 is assembled on the housing 300, firstly, a waterproof oil (not shown) is provided, and the waterproof oil can be a thick body, and the anti-9 201021665 oil knife is filled to the first a first receiving area of a main body 1b and a second main body I in the first receiving area 228 'then the first main body 1G and the second main body 20 the waterproof plug 1〇°' and the flexible wiring board 40 is lost Hold between ab Γ 1262' the flexible terminal block 4 is abutted by the first protrusion 126 and the second part 3=26. Then, the receiving end 144 of the waterproof plug 100 is placed in the through hole 32 of the shell. Since the surface of the receiving end 144 has a certain size, and the waterproof plug 1GG has a certain strength, it can be conveniently received. The end 144 is pressed into the through hole 32, so that the receiving end and the through hole (10) fit together to prevent moisture from flowing into the casing along the side wall of the through hole 32. Please refer to FIG. 6 and FIG. 7' The waterproof plug 1 can be made by another method, the first body 1G and the second body 2. The second body piece 50 may be integrally connected by insert molding so that the first body is connected to one end of the body 20. The first body 1〇 and the second body are interposed into a clamping port 12〇'. The clamping port 12〇 facilitates assembly of the flexible wiring port 40. The waterproof plug 100 formed after the clamping port 120 is closed and the first body 1 〇 and the second body 2 〇 are independently attached to each other has the same overall structure. When the waterproof plug is made by the method, the waterproof oil is first filled into the first receiving area 128 of the first body 10 and the second receiving area 228 of the second body 20, and then the holding port is closed. 120, in order to clamp the flexible wiring board 4, such that the flexible wiring board 4 is abutted by the first protrusion 126 and the second protrusion 226. Finally, the housing end 44 of the waterproof plug 1 is placed in the through hole 32 of the housing 3. By using the waterproof plug 100', the flexible terminal block 40 is not only lost by the first protrusion 126 and the second protrusion 226, and moisture does not easily enter the housing 300 along the flexible 201021665 - terminal block 40, and Since the accommodating space 1282 is filled with the tarpaulin, moisture can be completely prevented by the tarpaulin, and thus double protection is formed, and moisture cannot enter the casing 300 along the flexible wiring board 40. It can be understood that the first protrusion 126 in the first groove 124 can be omitted, and accordingly the second protrusion 226 in the second groove 224 can be omitted, that is, the first groove 124 and the second The recesses 224 are respectively filled with waterproof oil and then relatively mated to clamp the flexible wiring board 40. In summary, the present invention complies with the requirements of the invention patent, and proposes a special profit application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic exploded view of a waterproof plug according to a preferred embodiment of the present invention; Fig. 2 is a schematic view of a metal sheet in the waterproof plug shown in Fig. 1; Fig. 3 is an overall view of the waterproof plug shown in Fig. 1. FIG. 4 is a schematic view showing a state in which the waterproof plug of the preferred embodiment of the present invention is assembled to an electronic device casing; FIG. 5 is a schematic view showing a state in which the waterproof plug of the preferred embodiment of the present invention is assembled to the electronic device casing; A schematic view of a metal sheet used in a waterproof plug made by another method of the present invention; and Figure 7 is a general intent of a waterproof plug made by another method of the present invention. 11 201021665 [Main component symbol description] Waterproof plug 100 First body 10 First body portion 12 First plane 122 First groove 124 First protrusion 126 Clearance 1262 First receiving area 128 accommodating space 1282 First end edge 14 Peripheral 142 receiving end 144 first metal sheet 16 second body 20 second body portion 22 second plane 222 second recess 224 second protrusion 226 second receiving area 228 housing 300 hinge end 30 through hole 32 flexible wiring board 40 first connection end 42 second connection end 44 second metal piece 50 clamping port 120
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