201135297 六 [0001] [0002] [0003] Ο [0004] ❹ [0005] 發明說明： 【發明所屬之技術領威】 本發明涉及一種光纖連接器。 【先前技術】 隨著光纖入戶技術之發展，現地組裝光纖連接器由於紐 裝快速、簡單、方便，被大量應用於光通信網路最後線 路段之布網建設中。 一種光纖連接器，其包括插芯、連接套、壓接套、大壓 套及小壓套。插芯開設有供光纖:穿設之通孔，連接套具 有插芯孔及插口，插芯穿設於插芯孔，壓接套形成有凸 筋，壓接套之凸筋卡换於連接套之插口而將插芯固定與 連接套及壓接套形成之收谷空間内。大壓套套設於連接 套遠離壓接套之一端，大壓套遠離連接套之一端呈台階 狀，小壓套壓接於大壓套遠離連接套之一端從而將光纖 固定。. ； ；!r i : » .：! S:. :i ::-. S, ' 上述光纖連接器之速换奢發生形變而使插口與壓接套上 之凸筋相互卡接而固定插芯，長期使用容易由於插口與 凸筋之間鎖緊力不強而造成插芯鬆動。 【發明内容】 有鑒於此，提供一種鎖緊效果較佳之光纖連接器實為必 要。 一種光纖連接器，其包括插芯、夾持件、外殼及内殼， 插芯内設有供光纖穿設之第一穿孔，外殼設有第一螺紋 ，内殼具有與第一嫘絨嫘合之第二螺紋，内殼藉由第二 099110224 表單編號A0101 第 5寅/共21頁 0992018013-0 [0006] 201135297 螺紋螺合固定於外殼，夾持件設於外殼及内殼之間，夾 持件之一端形成有裝配孔，插芯卡設於内殼内且插芯一 端設於裝配孔内，夾持件設置有裝配孔之一端抵持於内 ’殼之一端及插芯一端之一，夾持件之另一端抵持外殼之 内壁。外殼及内殼藉由螺紋配合，鎖緊效果較佳且結構 簡單。 [0007] 該光纖連接器於外殼上設置有第一螺紋，並於内殼上設 置有與外殼之第一螺紋相對應之第二螺紋，從而將外殼 螺合固定於内殼上，共同收容夾緊固定光纜之夾持件， 進而固定插芯，固定效果較佳且結構簡單。 【實施方式】 [0008] 下面結合附圖及實施方式對本發明之光纖連接裝置作進 一步之詳細說明。 [0009] 請參見圖1至圖3，本發明第一實施例之光纖連接器100包 括外殼11、内殼13、夾持件15、插芯17及卡環19。 [0010] 外殼11包括固定部113及收容部115。固定部11 3大體為 圓筒狀，其内壁設有第一螺紋117。收容部115自固定部 113之一端收縮延伸而成，其大體為圓錐形，其内具有内 錐面，形成有錐形之收容空間11 9。 [0011] 内殼13包括與外殼11之固定部113對應之本體131及自本 體131之一端延伸之插接部133。本體131開設有自本體 131遠離插接部133之一端延伸之第一通孔135及第二通 孔137。第二通孔137與第一通孔135相通且延伸至插接 部133，第二通孔137之孔徑小於第一通孔135之孔徑。 0992018013-0 099110224 表單編號A0101 第6頁/共21頁 201135297 本體131之内壁於第一通孔135與第二通孔i37之交界處 軸有抵持面138。本體131之外壁形成有第二螺紋139 。本體131遠_接部133之—端形成有圓弧形之缺口 〗41。本體131之内壁形成有沿本體131之周向延伸之卡 槽143，卡槽143朝向缺σ14卜插接部133大體呈方形， 其遠離本體131之-端開設有第三通孔14?，第三通孔 147與第二通孔137相通且第三通孔147之孔徑大於第二 通孔13 7之孔徑。 Ο 师]夹持件15包括連接部151、自連接部151之—端延伸之卡 持部及自連接部151另一端延伸之大體為圓雜形之夾 持部155。連接部151及卡持部153均為枝狀，卡持部153 之直徑小於連接部151之直徑，卡持部153之直徑與第一 通孔135之孔徑大體相當。夾持㈣開設有裝配孔|57， 裝配孔157自卡持部153遠離連接部151之—端延伸至夾 持部155。夾持部155開設有與裝配孔157相通之第一螺 孔159及自第一螺孔丨59遠離裝配孔157之—端延伸且貫 〇 穿夾持部155遠離連接部151之一端之第二螺孔161。第 一螺孔159之孔徑小於裝配孔157之孔徑，夾持件15於第 一螺孔159及裝配孔157連接處形成有台階面162。第二 螺孔161之孔徑大於第-螺孔159之孔徑。爽持部155開 設有複數貫穿夾持部155之開槽163，開槽163自夾持部 155遠離連接部151之一端延伸至連接部151，從而將夾 持部155分割形成複數炎爪165，複數夾爪165可相對收 攏。 [0013]插芯17大體為圓柱形◊插芯17包括主體171、限位部173 099110224 表單編號Α0101 第7頁/共21頁 0992018013-0 201135297 及導向部175。限位部173自主體171之中部沿主體171之 徑向向外垂直延伸而成。主體171之一端形成直徑稍小於 主體171之導向部175。主體171外表面形成與内殼13之 卡槽143位置對應之卡合槽177。卡合槽177的數量為二 且位置相對。插芯1 7開設有供光纖（未圖示）穿過之第 一穿孔178及供光繞（未圖示）穿過之第二穿孔179。第 一穿孔178自導向部175延伸至主體171之中部，第二穿 孔179之孔徑大於第一穿孔178且與第一穿孔178相通。 [0014] 卡環19為C形’其包括抵持端191及自抵持端ι91延伸之 二弧形之夾臂1 9 3 i夹臂1 9 3可與内殼1 3之卡槽14 3及插 芯17之卡合槽177卡合。 [0015] 將塑膠光規之一端剝去部分第一外皮，露出第二外皮， 再將第二外皮剝去部分從而露出光纖。 [0016] 組裝時’將光瘦剝皮一端依次穿過外殼1 1、夾持件1 5之 第二螺孔161、第一螺孔159及播愁17之第二穿孔179， 使光纖穿過第一穿孔17 8延彳申出’來。夾持件15之夾持部 1 5 5收容於外殼11之收容部1丨5丨内殼13自插芯17之導向 部175套設於插芯17，並使插芯17之導向部175穿設於第 三通孔147，限位部173抵持抵持面138，將卡環19套設 於插芯17使每個夹臂193同時與一個卡合槽177及卡槽 143卡合’抵持端191抵持本體131，從而將插芯17固定 至内殼13。將夾持件15之連接部151插入第一通孔135， 直至連接部151抵持本體131遠離插接部133之一端，此 時插芯17之主體171遠離導向部175之一端收容於裝配孔 157，光纜之第二外皮裸露部分收容於第一螺孔159，光 099110224 表單編號A0101 第8頁/共21頁 0992018013-0 201135297 、纜收容於第二螺孔1 6 1。使外殼1丨之第一螺紋丨丨7與内殼 1 3之第二螺紋1 3 9螺合，從而將外殼11逐步之套設於内殼 13 ’收容部115套設於夾持件15之夾持部155，使夾持部 155收容於收容空間119，外殼n於與内殼13嫘合之過程 中’收容部115之内壁抵壓並收攏夾持部I”之複數夾爪 165，以將光纜夾持固定。第一螺孔ι59及第二嫘孔161 之螺紋分別夾持光纜之第二外皮及第一外皮，從而將光 纜夾緊固定。 0 [0017]該光纖連接器1 00藉由於外殼11及内殼13分別設置第—螺 紋11 7及第二螺紋13 9，從而將外殼11螺合固定於内殼1 3 上’共同收容夾緊固定光纜之夾持件15，鎖緊效果較佳 且結構簡單。藉由設置卡環19而將插芯17固定至内殼13 ，夾持件15固定光纜，組裝拆卸均較為方便，可實現現 地組裝及完全拆卸。 [0018] 可理解’限位部173可省略，卡環19套設於插芯17使其同 時與卡合槽177及卡槽丨43 +合，將插芯17固定至内殼13 Ο 即可。該光纖連接器ίοο不限於應用於塑膠光纖之連接， 亦可用於玻璃光纖之連接，用於連接玻璃光纖時，將光 纜之纖維層固定於第一螺孔159即可。 [0019] 請參閱圖4至圖7 ’本發明第二實施例之光纖連接器2〇〇之 結構與第一實施例之光纖連接器100之結構大致相同，其 不同在於：光纖連接器200不包括卡環19，内殼23沒有設 置卡槽143，插芯27亦沒有設置卡合槽177，插芯27之限 位部273形成有削平面2731以防止插芯27相對内殼23轉 動，内殼23形成有凸起249。組裝時，插芯27之限位香ρ 099110224 表單編號 Α0101 第 9 頁/共 21 頁 0992018013-0 201135297 273收容於第一通孔235且抵持抵持面238，凸起249削平 面2731 ，插芯27遠離導向部275之一端抵持台階面262即 可將插芯27固定。 [0020] 綜上所述，本發明確已符合發明專利之要件，爰依法提 出專利申請。惟，以上所述者僅為本發明之較佳實施方 式，本發明之範圍並不以上述實施方式為限，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】 〇 [0021] 圖1係本發明第一實施例之光纖連接器之組裝狀態之立體 圖。 [0022] 圖2係圖1所示之光纖連接器之立體分解圖。 [0023] 圖3係圖1所示之光纖連接器沿III-III線之剖視圖。 [0024] 圖4係本發明第二實施例之光纖連接器之組裝狀態之立體 圖。 〇 [0025] 圖5係圖4所示之光纖連接器之立體分解圖。 ^ [0026] 圖6係圖4所示之光纖連接器另一角度之立體分解圖。 [0027] 圖7係圖4所示之光纖連接器沿VII-VII剖線之剖視圖。 【主要元件符號說明】 [0028] 光纖連接器：100、200 [0029] 外殼：11 [0030] 固定部：11 3 099110224 表單編號A0101 第10頁/共21頁 0992018013-0 201135297 [0031] 收容部：115 [0032] 第一螺紋：11 7 [0033] 收容空間：119 [0034] 内殼：13、23 [0035] 本體：131 [0036] 插接部：133 [0037] Ο [0038] 第一通孔：135、235 第二通孔：137 [0039] 抵持面：138、238 [0040] 第二螺紋：139 [0041] 缺口 ： 141 [0042] 卡槽：143 [0043] Ο 第三通孔：147 [0044] 夾持件：15 [0045] 連接部：151 [0046] 卡持部：15 3 [0047] 爽持部：1 5 5 [0048] 裝配孔·· 157、257 [0049] 第一螺孔：159、259 099110224 表單編號A0101 第11頁/共21頁 0992018013-0 201135297 [0050] 第二螺孔：161 [0051] 台階面：162、262 [0052] 開槽：163 [0053] 夾爪：165 [0054] 插芯：17、27 [0055] 主體：171 [0056] 限位部：173、2 73 [0057] 導向部：175、275 [0058] 卡合槽：177 [0059] 第一穿孔：178 [0060] '第二穿孔：179 [0061] 卡環：19 [0062] 抵持端：191 [0063] 夾臂：193 [0064] 削平面：2731 [0065] 凸起：249 099110224 表單編號A0101 第12頁/共21頁 0992018013-0201135297 [0001] [0002] [0003] [0004] Description of the Invention [Technical Description of the Invention] The present invention relates to a fiber optic connector. [Prior Art] With the development of fiber-to-the-home technology, the field-assembled fiber-optic connector is widely used in the construction of the last line segment of the optical communication network because of its fast, simple, and convenient design. A fiber optic connector includes a ferrule, a connecting sleeve, a crimp sleeve, a large press sleeve and a small press sleeve. The ferrule is provided with a through hole for the optical fiber: the connecting sleeve has a ferrule hole and a socket, the ferrule is inserted through the ferrule hole, the crimping sleeve is formed with a rib, and the rib of the crimping sleeve is replaced by the connecting sleeve The socket is fixed in the gromming space formed by the ferrule and the connecting sleeve and the crimp sleeve. The large sleeve is disposed at one end of the connecting sleeve away from the crimping sleeve, and the large pressing sleeve is stepped away from one end of the connecting sleeve, and the small pressing sleeve is crimped to the large pressing sleeve away from one end of the connecting sleeve to fix the optical fiber. . ; ;!ri : » .:! S:. :i ::-. S, ' The speed change of the above fiber optic connector is deformed so that the socket and the rib on the crimping sleeve are snapped together to fix the ferrule Long-term use is easy due to the loose locking force between the socket and the rib, which causes the ferrule to loosen. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a fiber optic connector having a better locking effect. An optical fiber connector comprising a ferrule, a clamping member, an outer casing and an inner casing, wherein the ferrule is provided with a first perforation for the optical fiber to be inserted, the outer casing is provided with a first thread, and the inner casing has a first velvet The second thread, the inner shell by the second 099110224 Form No. A0101 5th / 21 pages 0992018013-0 [0006] 201135297 threaded screw is fixed to the outer casing, the clamping member is arranged between the outer casing and the inner casing, clamping One end of the piece is formed with an assembly hole, the ferrule is clamped in the inner casing and one end of the ferrule is disposed in the assembly hole, and the clamping member is provided with one end of the assembly hole abutting against one end of the inner 'shell and one end of the ferrule, The other end of the clamping member abuts against the inner wall of the outer casing. The outer casing and the inner casing are screwed together for better locking and simple structure. [0007] The optical fiber connector is provided with a first thread on the outer casing, and a second thread corresponding to the first thread of the outer casing is disposed on the inner casing, so that the outer casing is screwed and fixed on the inner casing, and the common receiving clamp is The clamping member of the optical cable is tightly fixed, and the ferrule is fixed, and the fixing effect is better and the structure is simple. [Embodiment] The optical fiber connecting device of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Referring to FIGS. 1 through 3, the optical fiber connector 100 of the first embodiment of the present invention includes a housing 11, an inner casing 13, a clamping member 15, a ferrule 17, and a snap ring 19. [0010] The outer casing 11 includes a fixing portion 113 and a receiving portion 115. The fixing portion 11 3 is substantially cylindrical and has a first thread 117 on its inner wall. The accommodating portion 115 is formed by contracting and extending from one end of the fixing portion 113, and has a substantially conical shape, and has an inner tapered surface therein, and a conical receiving space 119 is formed. The inner casing 13 includes a body 131 corresponding to the fixing portion 113 of the outer casing 11 and a plug portion 133 extending from one end of the body 131. The body 131 defines a first through hole 135 and a second through hole 137 extending from one end of the body 131 away from the insertion portion 133. The second through hole 137 communicates with the first through hole 135 and extends to the insertion portion 133. The second through hole 137 has a smaller aperture than the first through hole 135. 0992018013-0 099110224 Form No. A0101 Page 6 of 21 201135297 The inner wall of the body 131 has a resisting surface 138 at the interface between the first through hole 135 and the second through hole i37. A second thread 139 is formed on the outer wall of the body 131. The end of the body 131 distal-contact portion 133 is formed with a circular arc-shaped notch 141. The inner wall of the main body 131 is formed with a card slot 143 extending along the circumferential direction of the main body 131. The card slot 143 is substantially square toward the yoke 14 and the third through hole 14 is opened away from the end of the body 131. The three-way hole 147 is in communication with the second through hole 137 and the aperture of the third through hole 147 is larger than the aperture of the second through hole 137. The gripping member 15 includes a connecting portion 151, a retaining portion extending from the end of the connecting portion 151, and a substantially circular trap portion 155 extending from the other end of the connecting portion 151. The connecting portion 151 and the holding portion 153 are both branched, and the diameter of the engaging portion 153 is smaller than the diameter of the connecting portion 151, and the diameter of the engaging portion 153 is substantially equal to the diameter of the first through hole 135. The clamping hole (4) is provided with a mounting hole|57, and the mounting hole 157 extends from the end of the holding portion 153 away from the connecting portion 151 to the holding portion 155. The clamping portion 155 defines a first screw hole 159 communicating with the mounting hole 157 and a second extending from the first screw hole 59 away from the mounting hole 157 and passing through the clamping portion 155 away from the end of the connecting portion 151 Screw hole 161. The aperture of the first screw hole 159 is smaller than the aperture of the mounting hole 157, and the clamping member 15 is formed with a stepped surface 162 at the junction of the first screw hole 159 and the mounting hole 157. The aperture of the second screw hole 161 is larger than the aperture of the first screw hole 159. The holding portion 155 is provided with a plurality of slots 163 extending through the clamping portion 155, and the slot 163 extends from the clamping portion 155 away from one end of the connecting portion 151 to the connecting portion 151, thereby dividing the clamping portion 155 into a plurality of claws 165. The plurality of jaws 165 can be relatively closed. [0013] The ferrule 17 is generally a cylindrical ferrule 17 comprising a body 171, a limiting portion 173 099110224, a form number Α 0101, a 7th page, a total of 21 pages 0992018013-0 201135297, and a guide portion 175. The stopper portion 173 is formed to extend vertically from the middle of the main body 171 in the radial direction of the main body 171. One end of the main body 171 is formed with a guide portion 175 having a diameter slightly smaller than that of the main body 171. The outer surface of the main body 171 forms an engaging groove 177 corresponding to the position of the slot 143 of the inner casing 13. The number of engaging grooves 177 is two and the positions are opposite. The ferrule 17 is provided with a first through hole 178 through which an optical fiber (not shown) passes and a second through hole 179 through which light is passed (not shown). The first through hole 178 extends from the guiding portion 175 to the middle of the main body 171, and the second through hole 179 has a larger diameter than the first through hole 178 and communicates with the first through hole 178. [0014] The snap ring 19 is C-shaped, which includes a resisting end 191 and a two-arc-shaped clamping arm extending from the abutting end ι91. 1 9 3 i clamping arm 193 can be engaged with the inner casing 13 3 . And the engaging groove 177 of the ferrule 17 is engaged. [0015] peeling off a portion of the first outer skin from one end of the plastic optical gauge to expose the second outer skin, and then peeling off the second outer skin to expose the optical fiber. [0016] When assembling, the end of the thin stripping is sequentially passed through the outer casing 1 1 , the second screw hole 161 of the clamping member 15 , the first screw hole 159 and the second through hole 179 of the seedling 17 to pass the optical fiber. The first perforation 17 8 is extended to apply for 'come. The nip portion 155 of the clamping member 15 is received in the accommodating portion 1 丨 5 of the outer casing 11. The inner casing 13 is sleeved from the ferrule 17 of the ferrule 17 and the guiding portion 175 of the ferrule 17 is worn. The third through hole 147 is disposed, and the limiting portion 173 abuts against the resisting surface 138, and the snap ring 19 is sleeved on the ferrule 17 so that each of the clamping arms 193 is simultaneously engaged with one of the engaging grooves 177 and the latching groove 143. The holding end 191 abuts the body 131 to fix the ferrule 17 to the inner casing 13. The connecting portion 151 of the clamping member 15 is inserted into the first through hole 135 until the connecting portion 151 abuts the one end of the body 131 away from the insertion portion 133. At this time, the main body 171 of the ferrule 17 is received in the mounting hole away from one end of the guiding portion 175. 157. The exposed portion of the second outer skin of the optical cable is received in the first screw hole 159, and the light is 099110224. The form number A0101 is 8th page/the total 21 page 0992018013-0 201135297, and the cable is received in the second screw hole 161. The first thread 丨丨 7 of the outer casing 1 is screwed with the second thread 139 of the inner casing 13 , so that the outer casing 11 is gradually sleeved on the inner casing 13 ′ accommodating portion 115 is sleeved on the clamping member 15 . The clamping portion 155 is configured to receive the clamping portion 155 in the receiving space 119, and the outer casing n is pressed against the inner casing 13 to "press the inner wall of the receiving portion 115 and gather the plurality of jaws 165 of the clamping portion I" to The optical fiber cable is clamped and fixed. The threads of the first screw hole ι59 and the second boring hole 161 respectively clamp the second outer skin of the optical cable and the first outer skin, thereby clamping and fixing the optical cable. [0017] The optical fiber connector 1 00 Since the outer casing 11 and the inner casing 13 are respectively provided with the first thread 11 7 and the second thread 13 9, the outer casing 11 is screwed and fixed on the inner casing 13 to collectively receive the clamping member 15 for clamping and fixing the optical cable, and the locking effect is obtained. Preferably, the structure is simple. The ferrule 17 is fixed to the inner casing 13 by providing the snap ring 19, and the clamping member 15 fixes the optical cable, which is convenient to assemble and disassemble, and can be assembled in the field and completely disassembled. [0018] It can be understood The limiting portion 173 can be omitted, and the snap ring 19 is sleeved on the ferrule 17 to simultaneously engage the engaging groove 177 and the card slot 43 + The ferrule 17 is fixed to the inner casing 13 。. The optical fiber connector ίοο is not limited to the connection of the plastic optical fiber, and can also be used for the connection of the glass optical fiber, and the fiber layer of the optical cable is fixed to the first when connecting the glass optical fiber. [0019] Please refer to FIG. 4 to FIG. 7 'The structure of the optical fiber connector 2 of the second embodiment of the present invention is substantially the same as that of the optical fiber connector 100 of the first embodiment, and the difference is that The optical fiber connector 200 does not include the snap ring 19, the inner casing 23 is not provided with the card slot 143, and the ferrule 27 is not provided with the engaging groove 177. The limiting portion 273 of the ferrule 27 is formed with the cutting plane 2731 to prevent the ferrule 27 from being opposite. The inner casing 23 is rotated, and the inner casing 23 is formed with a projection 249. When assembled, the ferrule 27 has a limit scent ρ 099110224 Form No. 1010101 Page 9 of 21 0992018013-0 201135297 273 is accommodated in the first through hole 235 and is received Holding the surface 238, the protrusion 249 cuts the plane 2731, and the ferrule 27 is fixed away from the step surface 262 by one end of the guiding portion 275. [0020] In summary, the present invention has indeed met the invention patent. The essentials, 提出 file a patent application according to law. The present invention is only a 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 should be BRIEF DESCRIPTION OF THE DRAWINGS [0021] Fig. 1 is a perspective view showing an assembled state of a fiber optic connector according to a first embodiment of the present invention. [0022] FIG. 2 is a fiber optic connector shown in FIG. Stereoscopic exploded view. 3 is a cross-sectional view of the optical fiber connector shown in FIG. 1 taken along line III-III. 4 is a perspective view showing an assembled state of the optical fiber connector of the second embodiment of the present invention. [0025] FIG. 5 is an exploded perspective view of the optical fiber connector shown in FIG. 4. [0026] FIG. 6 is an exploded perspective view of another angle of the fiber optic connector shown in FIG. 4. 7 is a cross-sectional view of the optical fiber connector shown in FIG. 4 taken along line VII-VII. [0027] FIG. [Main component symbol description] [0028] Optical fiber connector: 100, 200 [0029] Housing: 11 [0030] Fixed part: 11 3 099110224 Form number A0101 Page 10 / Total 21 page 0992018013-0 201135297 [0031] Housing : 115 [0032] First thread: 11 7 [0033] Containment space: 119 [0034] Inner casing: 13, 23 [0035] Body: 131 [0036] Plug-in: 133 [0037] Ο [0038] Through hole: 135, 235 Second through hole: 137 [0039] Resistive surface: 138, 238 [0040] Second thread: 139 [0041] Notch: 141 [0042] Card slot: 143 [0043] Ο Third pass Hole: 147 [0044] Clamping member: 15 [0045] Connecting portion: 151 [0046] Holding portion: 15 3 [0047] Sinking portion: 1 5 5 [0048] Assembly hole · 157, 257 [0049] First screw hole: 159, 259 099110224 Form number A0101 Page 11 / 21 page 0992018013-0 201135297 [0050] Second screw hole: 161 [0051] Step surface: 162, 262 [0052] Slot: 163 [0053 ] Claw: 165 [0054] Ferrule: 17, 27 [0055] Main body: 171 [0056] Limiting parts: 173, 2 73 [0057] Guide: 175, 275 [0058] Engagement slot: 177 [0059] ] First perforation: 178 [ 0060] 'Second perforation: 179 [0061] Retaining ring: 19 [0062] Resistive end: 191 [0063] Clamping arm: 193 [0064] Cleaving plane: 2731 [0065] Raised: 249 099110224 Form number A0101 12 Page / Total 21 pages 0992018013-0