Anti-rotation optical fiber contact piece and optical fiber connector plug using the contact piece
An optical fiber connector and optical fiber contact technology, which is applied in the coupling of optical components, optical waveguides, instruments, etc., can solve the problems of processing and large radial size, and achieve the effect of reducing radial size and solving processing difficulties.
Active Publication Date: 2019-06-07
CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide an anti-rotation optical fiber contact to solve the technical problems of existing optical fiber contact processing and large radial dimensions
Method used
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Embodiment Construction
[0048] The embodiment of optical fiber connector plug of the present invention: as Figure 5-32 As shown, the fiber optic connector plug includes a front sleeve, a rear sleeve 14, a connecting nut 8, and an anti-rotation optical fiber contact. The optical fiber contact piece includes a ceramic ferrule 20 , a flange 21 and an optical cable 24 arranged at its tail end, and the rear sleeve 14 is connected with a sheath 12 sleeved on the optical cable. The front cover includes a cover body 3, and a key block 4 fixed on the outside of the cover body through a fixed structure for guiding and preventing rotation with the corresponding socket housing. Groove 33, anti-rotation groove 33 has two that 180 degree intervals are arranged, as interior keyway. The sleeve body 3 is provided with an annular boss arranged around its axis, and the annular boss is provided with a positioning keyway 34 for positioning the installation position of the key block on the outer periphery of the sleeve ...
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The invention discloses a rotation-preventing optical fiber contact part and an optical fiber connector plug using the same. The rotation-preventing optical fiber contact part comprises a contact pin with the axis extending in the front-back direction and a flange plate connected with the rear portion of the contact pin, wherein a positioning key is arranged on the front end face of the flange plate in a forward protruding mode. The rotation-preventing positioning key is arranged at the front end of the flange plate in the forward protruding mode, the parts can be directly machined and formed by adopting a turn-milling machining method, excessive consideration is not needed to be given to the problems of poor size precision and form and location tolerance and the like brought by step-by-step part process machining, and machining is convenient. In addition, the outer diameter size of the flange plate and the radial size of the optical fiber contact part can be also kept consistent, and the radial size of the optical fiber contact part is decreased.
Description
technical field [0001] The invention relates to the field of optical fiber connectors, in particular to an anti-rotation optical fiber contact piece and an optical fiber connector plug using the contact piece. Background technique [0002] The FC fiber optic connector is a common fiber optic connector, including a plug, a socket, and a threaded connection between the plug and the socket. The plug includes a front sleeve, a rear sleeve, optical fiber contacts, and a connecting nut. Among them, the anti-rotation optical fiber contact can ensure that the ferrule is basically in the same direction when the connector is connected. On the one hand, it can make the optical fiber connector have good repeatability. The APC pins in the connector can be completely matched with each other. Therefore, the fiber optic contact with anti-rotation structure is the basis for designing the APC fiber optic connector. like Figure 1-4 As shown, it is a structure of an anti-transition optical f...
Claims
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IPC IPC(8): G02B6/38
CPCG02B6/3869G02B6/389
Inventor 方尚杰孙晓龙
Owner CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD