TWI447454B - Optical fiber connector and shell molding method thereof - Google Patents
Optical fiber connector and shell molding method thereof Download PDFInfo
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- TWI447454B TWI447454B TW098128923A TW98128923A TWI447454B TW I447454 B TWI447454 B TW I447454B TW 098128923 A TW098128923 A TW 098128923A TW 98128923 A TW98128923 A TW 98128923A TW I447454 B TWI447454 B TW I447454B
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本發明涉及一種光通訊設備,尤其涉及一種光纖連接器及其外殼的成型方法。 The invention relates to an optical communication device, in particular to a fiber optic connector and a method for forming the same.
時下趨勢,許多資訊家電、通訊視聽等器材的電子訊號傳輸纜線系由早期的金屬導線,變革成為以高效率的光纖連接器作為訊號傳輸的主要媒介。所述光纖連接器為能夠在光纖與光纖之間進行可拆卸連接的器件,藉由把光纖的兩個端面精密對接起來,可使發射光纖輸出的光能量最大限度地耦合到接收光纖中去,使得訊號經由光纖連接器內部所容置的光纖蕊線進行傳送。 With the current trend, many electronic signal transmission cables for information appliances, communication and audio-visual equipment have changed from early metal wires to high-efficiency fiber optic connectors as the main medium for signal transmission. The optical fiber connector is a device capable of being detachably connected between the optical fiber and the optical fiber. By precisely connecting the two end faces of the optical fiber, the optical energy outputted by the transmitting optical fiber can be coupled to the receiving optical fiber to the maximum extent. The signal is transmitted via the fiber core that is housed inside the fiber optic connector.
先前的光纖連接器通常包括連接器外殼以及與連接器外殼一體成型的聚光透鏡。由此,當連接器外殼或聚光透鏡被損壞時,需要更換整個光纖連接器,不利於降低成本。 Previous fiber optic connectors typically included a connector housing and a concentrating lens integrally formed with the connector housing. Thus, when the connector housing or the concentrating lens is damaged, it is necessary to replace the entire optical fiber connector, which is disadvantageous in reducing cost.
另外,所述連接器外殼內通常包括用於插入電子設備接頭的收容孔,以及用於插入纖芯的穿設孔,所述收容孔、穿設孔連通且與該聚光透鏡共同形成一盲孔。所述收容孔的尺寸通常大於所述穿設孔的尺寸,且所述穿設孔的尺寸一般較小,只有毫米級。在成型過程中,一個第一模仁先伸入母模中成型所述收容孔,一個第二模仁再從所述收容孔伸入母模內以成型所述穿設孔。然而,由 於所述收容孔的尺寸大於所述穿設孔的尺寸,成型所述穿設孔時,該第二模仁收容在收容孔的一端無支點支撐,導致所述穿設孔很容易產生偏斜或彎曲。當將光纖插設在彎曲的穿設孔內時,光纖也會隨穿設孔的形狀而彎折,這無疑會增大光纖連接器的固有損耗,降低了產品品質。 In addition, the connector housing usually includes a receiving hole for inserting the connector of the electronic device, and a through hole for inserting the core. The receiving hole and the through hole communicate with each other and form a blind with the collecting lens. hole. The size of the receiving hole is generally larger than the size of the through hole, and the size of the through hole is generally small, only on the order of millimeters. During the molding process, a first mold core is first extended into the female mold to form the receiving hole, and a second mold core is further extended from the receiving hole into the female mold to form the through hole. However, by The size of the receiving hole is larger than the size of the through hole. When the through hole is formed, the second mold is received at one end of the receiving hole without fulcrum support, so that the through hole is easily deflected. Or curved. When the optical fiber is inserted into the curved through hole, the optical fiber is also bent according to the shape of the through hole, which undoubtedly increases the inherent loss of the optical connector and reduces the product quality.
有鑒於此,有必要提供一種有利於降低成本且能夠提高產品品質的光纖連接器及其成型方法。 In view of the above, it is necessary to provide a fiber optic connector and a molding method thereof which are advantageous in reducing cost and capable of improving product quality.
一種光纖連接器,其包括一具有軸向通孔的外殼以及一聚光透鏡。所述軸向通孔包括較大直徑的收容腔以及較小直徑的穿設孔。所述收容腔用於收容光纖的較大直徑部分,所述穿設孔用於收容光纖中直徑較小的纖芯部。所述穿設孔遠離所述收容腔的一端開設有內螺紋,所述聚光透鏡的邊緣設置有外螺紋與所述內螺紋對應螺合。 A fiber optic connector includes an outer casing having an axial through hole and a collecting lens. The axial through hole includes a larger diameter receiving cavity and a smaller diameter through hole. The receiving cavity is configured to receive a larger diameter portion of the optical fiber, and the through hole is configured to receive a core portion having a smaller diameter in the optical fiber. An opening is formed in an end of the through hole away from the receiving cavity, and an edge of the collecting lens is provided with an external thread corresponding to the internal thread.
一種光纖連接器外殼的成型方法,其用於製備上述的光纖連接器的外殼。該成型方法包括以下步驟:提供一個母模,其上開設有用於形成所述外殼輪廓的槽穴;提供一個模仁,其用於收容在所述槽穴內並形成所述收容腔;提供一個公模,其用於與所述母模合模,所述公模面向所述母模的表面上固定設置有一穿設端子以及一連接該穿設端子根部的螺紋成型零件,該穿設端子用於與母模上的模仁對接,以在母模內形成所述穿設孔,該螺紋成型零件用於在該穿設孔端部形成具有內螺紋的凹槽;對合模後的公模以及母模注塑,形成所述外殼。 A method of forming a fiber optic connector housing for use in preparing the housing of the fiber optic connector described above. The molding method comprises the steps of: providing a master mold having a cavity for forming the contour of the outer casing; providing a mold for receiving the cavity and forming the receiving cavity; providing a a male mold for clamping the female mold, wherein the male mold is fixedly disposed on the surface of the female mold with a piercing terminal and a thread forming part connecting the root of the piercing terminal, the piercing terminal is Interfacing with the mold core on the master mold to form the through hole in the female mold, the thread forming part is used for forming a groove having an internal thread at the end of the through hole; And the master mold is injection molded to form the outer casing.
與先前技術相比,本發明的光纖連接器及其外殼的成型方法,將 光纖連接器的外殼以及聚光透鏡分為兩個結構分別成型,只需要使用一個模仁與公模上的穿設端子配合成型該軸向通孔即可。且在成型所述穿設孔時,穿設端子能夠以公模作為支撐點伸入該母模內,避免從母模單側成型所述穿設孔而導致穿設孔彎曲的情況發生,保證了光纖連接器的品質。另外,由於原來一體成型的外殼以及聚光透鏡能夠分開組裝,當聚光透鏡被損壞時,可直接更換所述聚光透鏡即能夠繼續使用所述光纖連接器,避免了浪費,從而降低成本。 Compared with the prior art, the optical fiber connector of the present invention and a method of molding the same thereof will The outer casing of the optical fiber connector and the condensing lens are separately formed into two structures, and only one mold core and the through terminal on the male mold are used to form the axial through hole. When the through hole is formed, the through terminal can protrude into the female mold with the male mold as a support point, thereby avoiding the formation of the through hole from the one side of the female mold and causing the bending of the through hole to occur. The quality of the fiber optic connector. In addition, since the original integrally formed outer casing and the condensing lens can be separately assembled, when the condensing lens is damaged, the concentrating lens can be directly replaced, that is, the optical fiber connector can be continuously used, thereby avoiding waste and thereby reducing cost.
100‧‧‧光纖連接器 100‧‧‧Fiber Optic Connectors
224‧‧‧插接端 224‧‧‧plug end
10‧‧‧軸向通孔 10‧‧‧Axial through hole
225‧‧‧缺口 225‧‧ ‧ gap
12‧‧‧收容腔 12‧‧‧ containment chamber
226‧‧‧凸塊 226‧‧‧Bumps
14‧‧‧穿設孔 14‧‧‧With holes
227‧‧‧側翼 227‧‧‧Flanking
16‧‧‧凹槽 16‧‧‧ Groove
228‧‧‧狹槽 228‧‧‧ slot
20‧‧‧外殼 20‧‧‧ Shell
229‧‧‧凹陷 229‧‧‧ dent
22‧‧‧主體部 22‧‧‧ Main body
331‧‧‧凹孔 331‧‧‧ recessed hole
30‧‧‧聚光透鏡 30‧‧‧ Concentrating lens
10a‧‧‧槽穴 10a‧‧‧Slot
31‧‧‧外螺紋 31‧‧‧ external thread
40‧‧‧母模 40‧‧‧Female model
32‧‧‧光學區域 32‧‧‧Optical area
41‧‧‧模仁 41‧‧‧Men
33‧‧‧非光學區域 33‧‧‧Non-optical area
50‧‧‧公模 50‧‧‧Male model
142‧‧‧內螺紋 142‧‧‧ internal thread
51‧‧‧穿設端子 51‧‧‧With terminal
221‧‧‧第一側面 221‧‧‧ first side
510‧‧‧內螺紋成型零件 510‧‧‧Threaded parts
222‧‧‧第二側面 222‧‧‧ second side
S301,S303,S305,S307‧‧‧步驟 S301, S303, S305, S307‧‧‧ steps
223‧‧‧第三側面 223‧‧‧ third side
圖1為本發明實施方式提供的光纖連接器的剖視圖;圖2為圖1的光纖連接器的組裝圖;圖3為圖2的光纖連接器的分解圖;圖4為圖3的光纖連接器II部分的放大圖;圖5為本發明提供的光纖連接器外殼的成型方法的流程圖;圖6為圖5的光纖連接器外殼的成型示意圖。 1 is a cross-sectional view of an optical fiber connector according to an embodiment of the present invention; FIG. 2 is an assembled view of the optical fiber connector of FIG. 1; FIG. 3 is an exploded view of the optical fiber connector of FIG. 2; FIG. 5 is a flow chart showing a molding method of the optical fiber connector housing provided by the present invention; and FIG. 6 is a schematic view showing the molding of the optical fiber connector housing of FIG.
下面將結合附圖,對本發明作進一步的詳細說明。 The invention will be further described in detail below with reference to the accompanying drawings.
如圖1、圖2所示,本發明實施方式提供的一種光纖連接器100,其包括一具有軸向通孔10的外殼20以及一聚光透鏡30。所述軸向通孔10包括較大直徑的收容腔12以及較小直徑的穿設孔14,所述收容腔12用於收容包裹有絕緣層的部分光纖,所述穿設孔14用於收容光纖的纖芯部。本實施方式中,所述軸向通孔10的數量為四個。 As shown in FIG. 1 and FIG. 2, an optical fiber connector 100 according to an embodiment of the present invention includes a housing 20 having an axial through hole 10 and a collecting lens 30. The axial through hole 10 includes a larger diameter receiving cavity 12 and a smaller diameter through hole 14 for receiving a part of the optical fiber wrapped with an insulating layer, and the through hole 14 is for receiving The core of the fiber. In the present embodiment, the number of the axial through holes 10 is four.
所述外殼20以及聚光透鏡30分別藉由塑膠射出成型方法成型。所述外殼20包括一剖面呈矩形的主體部22,所述主體部22包括相對設置的第一側面221、第二側面222,以及相對設置且分別與第一側面221、第二側面222間隔相鄰的兩個第三側面223。所述第一側面221上形成兩個插接端224以及一缺口225,所述兩個插接端224用於與週邊設備(圖未示)插接且進行定位,所述穿設孔14的端部形成在所述缺口225與插接端224之間。所述第二側面222上沿遠離所述主體部22且平行於第三側面223的方向形成有一凸塊226,所述收容腔12的端部形成在鄰近所述凸塊226兩邊的第二側面222的位置上,當多條光纖分別插設於所述收容腔12內時,所述凸塊226能夠將多條光纖分開在其兩邊,避免光纖絞合在一起。所述第三側面223上分別形成有一側翼227,所述側翼227從鄰近所述第一側面221的位置延伸並朝向所述第二側面222彎折,使得所述側翼227的彎折部與所述第三側面223之間形成有一狹槽228,使得所述側翼227具有一定的彈性,增加安裝所述光纖連接器100時的手感。所述側翼227遠離所述本體22的外表面上形成有一供用戶按壓的凹陷229,方便用戶抓取所述外殼20。 The outer casing 20 and the condensing lens 30 are each formed by a plastic injection molding method. The outer casing 20 includes a main body portion 22 having a rectangular cross section. The main body portion 22 includes a first side surface 221 and a second side surface 222 opposite to each other, and is oppositely disposed and spaced apart from the first side surface 221 and the second side surface 222, respectively. Two adjacent third sides 223. Two insertion ends 224 and a notch 225 are formed on the first side surface 221, and the two insertion ends 224 are used for interposing and positioning with a peripheral device (not shown). An end portion is formed between the notch 225 and the insertion end 224. A protrusion 226 is formed on the second side surface 222 in a direction away from the main body portion 22 and parallel to the third side surface 223. The end of the receiving cavity 12 is formed on a second side adjacent to both sides of the protrusion 226. In the position of the 222, when a plurality of optical fibers are respectively inserted into the receiving cavity 12, the bumps 226 can separate a plurality of optical fibers on both sides thereof to prevent the optical fibers from being twisted together. One side wing 227 is formed on the third side surface 223, and the side wing 227 extends from a position adjacent to the first side surface 221 and is bent toward the second side surface 222, so that the bent portion of the side wing 227 is A slot 228 is formed between the third side faces 223 such that the side wings 227 have a certain elasticity to increase the hand feeling when the fiber optic connector 100 is mounted. A recess 229 is formed on the outer surface of the body 227 away from the body 22 for the user to press, so that the user can grasp the outer casing 20.
如圖3、圖4所示,所述穿設孔14遠離所述收容腔12的一端開設有內螺紋142。具體的,所述穿設孔14遠離所述收容腔12的一端沿穿設孔14的徑向延伸有凹槽16,所述凹槽16的直徑大於穿設孔14的直徑,所述內螺紋142形成在所述凹槽16的內側壁上。 As shown in FIG. 3 and FIG. 4 , an internal thread 142 is defined in an end of the through hole 14 away from the receiving cavity 12 . Specifically, an end of the through hole 14 away from the receiving cavity 12 extends in a radial direction of the through hole 14 with a groove 16 having a diameter larger than a diameter of the through hole 14 , the internal thread 142 is formed on the inner side wall of the recess 16.
所述聚光透鏡30的邊緣設置有外螺紋31與所述內螺紋142對應螺合。所述聚光透鏡30包括光學區域33以及環繞所述光學區域33的非光學區域32,所述光學區域33的直徑等於所述穿設孔14的直徑 ,所述光學區域33相對所述非光學區域32凸起。具體的,當將所述聚光透鏡30安裝至所述外殼20上時,所述光學區域33朝遠離所述外殼20的方向凸起。所述非光學區域32的直徑等於所述凹槽16的直徑。所述非光學區域32遠離所述外殼20的表面上形成有複數凹孔331,所述複數凹孔331用於供夾具(圖未示)將所述聚光透鏡30旋入所述凹槽16內。 The edge of the collecting lens 30 is provided with an external thread 31 corresponding to the internal thread 142. The concentrating lens 30 includes an optical region 33 and a non-optical region 32 surrounding the optical region 33, the diameter of the optical region 33 being equal to the diameter of the through hole 14. The optical region 33 is convex relative to the non-optical region 32. Specifically, when the condensing lens 30 is mounted on the outer casing 20, the optical region 33 is convex toward a direction away from the outer casing 20. The diameter of the non-optical region 32 is equal to the diameter of the groove 16. A plurality of concave holes 331 are formed in a surface of the non-optical region 32 away from the outer casing 20, and the plurality of concave holes 331 are used for a jig (not shown) to screw the collecting lens 30 into the groove 16 Inside.
請結合圖5以及圖6,本發明提供的一種光纖連接器外殼的成型方法,其用於製備上述光纖連接器100的外殼20。所述成型方法包括以下步驟:步驟S301,提供一個母模40,其上開設有用於形成所述外殼10的輪廓形狀的槽穴10a。 Referring to FIG. 5 and FIG. 6, the present invention provides a method for molding an optical fiber connector housing for preparing the outer casing 20 of the optical fiber connector 100 described above. The molding method includes the following steps: Step S301, providing a master mold 40 having a groove 10a for forming a contour shape of the outer casing 10.
步驟S303,提供一個模仁41,其用於在注塑過程中收容在所述母模40內。當將所述模仁41取出後,所述母模40內可形成所述收容腔12。 In step S303, a mold core 41 is provided for being housed in the master mold 40 during the injection molding process. When the mold core 41 is taken out, the receiving cavity 12 can be formed in the female mold 40.
步驟S305,提供一個公模50,其用於與所述母模40合模。所述公模50面向所述母模40的表面上固定設置有一穿設端子51,其用於與母模40上的模仁41對接,以在母模40內形成所述穿設孔14。具體的,所述穿設端子51靠近公模50的根部設置有內螺紋成型零件510,所述內螺紋成型零件510能夠壓合至所述穿設孔14的端部並形成所述凹槽16,當內螺紋成型零件510被拔出後,所述凹槽16內側壁上能夠形成所述內螺紋142。 In step S305, a male mold 50 for clamping the female mold 40 is provided. The male mold 50 is fixedly disposed on the surface of the female mold 40 with a piercing terminal 51 for abutting against the mold core 41 on the female mold 40 to form the through hole 14 in the female mold 40. Specifically, the piercing terminal 51 is disposed near the root of the male mold 50 with a female thread forming part 510 capable of being pressed to the end of the through hole 14 and forming the groove 16 The internal thread 142 can be formed on the inner side wall of the groove 16 after the internally threaded molded part 510 is pulled out.
步驟S307,對合模後的公模50以及母模40注塑,形成所述外殼10。 In step S307, the mold 50 and the master mold 40 after molding are injection molded to form the outer casing 10.
本發明的光纖連接器100及其外殼的成型方法,將光纖連接器100的外殼20以及聚光透鏡30分為兩個結構分別成型,只需要使用一個模仁41與公模50上的穿設端子51配合成型該軸向通孔10即可。且在成型所述穿設孔14時,穿設端子51能夠以公模50作為支撐點伸入該母模40內,避免從母模40單側成型所述穿設孔14而導致穿設孔14彎曲的情況發生,保證了光纖連接器100的品質。另外,由於原來一體成型的外殼20以及聚光透鏡30能夠分開組裝,當聚光透鏡30被損壞時,可直接更換所述聚光透鏡30即能夠繼續使用所述光纖連接器100,避免了浪費,從而降低成本。 The optical fiber connector 100 of the present invention and the method for molding the outer casing thereof are formed by dividing the outer casing 20 of the optical fiber connector 100 and the collecting lens 30 into two structures, and only one mold core 41 and the male mold 50 are required to be used. The terminal 51 can be formed by fitting the axial through hole 10. When the through hole 14 is formed, the through terminal 51 can protrude into the female mold 40 with the male mold 50 as a support point, thereby avoiding forming the through hole 14 from one side of the female mold 40 and causing the through hole. 14 bending occurs, ensuring the quality of the fiber optic connector 100. In addition, since the original integrally formed outer casing 20 and the condensing lens 30 can be separately assembled, when the condensing lens 30 is damaged, the concentrating lens 30 can be directly replaced, that is, the optical fiber connector 100 can be continuously used, thereby avoiding waste. , thereby reducing costs.
另外,本領域技術人員可在本發明精神內做其他變化,然,凡依據本發明精神實質所做的變化,都應包含在本發明所要求保護的範圍之內。 In addition, those skilled in the art can make other changes within the spirit of the invention, and all changes which are made according to the spirit of the invention should be included in the scope of the invention.
100‧‧‧光纖連接器 100‧‧‧Fiber Optic Connectors
223‧‧‧第三側面 223‧‧‧ third side
10‧‧‧軸向通孔 10‧‧‧Axial through hole
224‧‧‧插接端 224‧‧‧plug end
12‧‧‧收容腔 12‧‧‧ containment chamber
225‧‧‧缺口 225‧‧ ‧ gap
14‧‧‧穿設孔 14‧‧‧With holes
226‧‧‧凸塊 226‧‧‧Bumps
20‧‧‧外殼 20‧‧‧ Shell
227‧‧‧側翼 227‧‧‧Flanking
30‧‧‧聚光透鏡 30‧‧‧ Concentrating lens
228‧‧‧狹槽 228‧‧‧ slot
221‧‧‧第一側面 221‧‧‧ first side
229‧‧‧凹陷 229‧‧‧ dent
222‧‧‧第二側面 222‧‧‧ second side
Claims (7)
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TW098128923A TWI447454B (en) | 2009-08-28 | 2009-08-28 | Optical fiber connector and shell molding method thereof |
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TW098128923A TWI447454B (en) | 2009-08-28 | 2009-08-28 | Optical fiber connector and shell molding method thereof |
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TW201107808A TW201107808A (en) | 2011-03-01 |
TWI447454B true TWI447454B (en) | 2014-08-01 |
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TW098128923A TWI447454B (en) | 2009-08-28 | 2009-08-28 | Optical fiber connector and shell molding method thereof |
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TWI490577B (en) * | 2011-07-07 | 2015-07-01 | Hon Hai Prec Ind Co Ltd | Adapter and optical fiber connector |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4807958A (en) * | 1986-05-19 | 1989-02-28 | Societa' Cavi Pirelli S.P.A. | Method of interconnecting optical fiber cables and connector therefor |
US5283802A (en) * | 1993-06-04 | 1994-02-01 | Bear Hsiung | Adjustable laser module mounting device |
CN2610353Y (en) * | 2003-01-16 | 2004-04-07 | 北京师范大学 | Light projector |
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2009
- 2009-08-28 TW TW098128923A patent/TWI447454B/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4807958A (en) * | 1986-05-19 | 1989-02-28 | Societa' Cavi Pirelli S.P.A. | Method of interconnecting optical fiber cables and connector therefor |
US5283802A (en) * | 1993-06-04 | 1994-02-01 | Bear Hsiung | Adjustable laser module mounting device |
CN2610353Y (en) * | 2003-01-16 | 2004-04-07 | 北京师范大学 | Light projector |
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