CN104503034B - Locking thread joints of optical fibre housing unit - Google Patents

Locking thread joints of optical fibre housing unit Download PDF

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Publication number
CN104503034B
CN104503034B CN201410786520.XA CN201410786520A CN104503034B CN 104503034 B CN104503034 B CN 104503034B CN 201410786520 A CN201410786520 A CN 201410786520A CN 104503034 B CN104503034 B CN 104503034B
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CN
China
Prior art keywords
loose
plug
plug casing
proof sleeve
spin
Prior art date
Application number
CN201410786520.XA
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Chinese (zh)
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CN104503034A (en
Inventor
胡治国
陈慧静
马敬鑫
张晓赞
郭文睿
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中航光电科技股份有限公司
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Priority to CN201410786520.XA priority Critical patent/CN104503034B/en
Publication of CN104503034A publication Critical patent/CN104503034A/en
Application granted granted Critical
Publication of CN104503034B publication Critical patent/CN104503034B/en

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Abstract

The present invention relates to optical connector field, particularly to a kind of locking thread joints of optical fibre housing unit.The locking thread joints of optical fibre housing unit includes each plug casing part and Socket casing part using front end as inserted terminal, plug casing part includes plug casing and coupling nut, Socket casing part includes Socket casing, it is provided between plug casing and Socket casing and is used to make the spin-ended location structure that the two plugs together rear spin-ended cooperation, loose-proof sleeve is also equipped with plug casing, it is movably spin-ended before and after loose-proof sleeve to be assemblied on plug casing and at the rear of coupling nut, biasing springs are top-loaded between plug casing and loose-proof sleeve, biasing springs push forward loose-proof sleeve, coupling nut is provided with the spin-ended structure that can be plugged together and separate vertically with locking be placed at the abutting end of the two.The present invention solves the problems, such as that the optical connector component anti-loosening property of threaded connection is poor and maintenance not easy to remove.

Description

Locking thread joints of optical fibre housing unit

Technical field

The present invention relates to optical connector field, particularly to a kind of locking thread joints of optical fibre housing unit.

Background technology

FC fiber optic connector assemblies are a kind of extremely common fiber optic connector assemblies.It is by plug in correspondence with each other Formed with socket, be to be connected through a screw thread wherein between plug and socket.Plug specifically includes protheca, rear enclosure, light contact pin and company Nut is connect, socket includes Socket casing, and Socket casing is provided with external screw thread corresponding with coupling nut, when in use, inserts It is to be coordinated by the external screw thread on coupling nut and Socket casing to realize the fixation to plug and socket between head and socket.

Due to being AN connector, FC optical connectors component is obtained in dual-use field extremely widely should With, in some applicable situations, can inevitably there are the factors such as vibratory impulse, once above-mentioned factor in use environment be present, The plug and socket being then only fixed together by coupling nut are clearly extremely unreliable, in the prior art, in order to prevent inserting Loosening between head and socket, is that the matching part of plug and socket is strengthened by way of adding screw thread glue mostly, this is then Separation unloading to plug and socket causes inconvenience so that the maintenanceability of fiber optic connector assembly becomes extreme difference.

The content of the invention

It is an object of the invention to provide a kind of locking thread joints of optical fibre housing unit, to solve the light of threaded connection Connector assembly anti-loosening property is poor and the problem of maintenance not easy to remove.

In order to solve the above problems, locking thread joints of optical fibre housing unit of the invention uses following technical scheme: Locking thread joints of optical fibre housing unit, including each plug casing part using front end as inserted terminal and Socket casing portion Part, plug casing part include plug casing and coupling nut, and Socket casing part includes Socket casing, plug casing and socket It is provided between housing and is used to make the spin-ended location structure that the two plugs together rear spin-ended cooperation, loose-proof sleeve is also equipped with plug casing, is prevented It is movably spin-ended before and after pine set to be assemblied on plug casing and at the rear of coupling nut, plug casing and loose-proof sleeve Between be top-loaded with biasing springs, biasing springs push forward loose-proof sleeve, and coupling nut is set with locking be placed at the abutting end of the two There is the spin-ended structure that can be plugged together and separate vertically.

One in the loose-proof sleeve and plug casing is provided with featherway, and another is provided with corresponding with featherway sliding Key, pass through the featherway and the spin-ended cooperation of feather key between loose-proof sleeve and plug casing.

The loose-proof sleeve is assemblied on the protheca of plug casing.

The spline structure is the keyway and plug-in type key set up separately on coupling nut and loose-proof sleeve.

Plug-in type key is located at the front end of loose-proof sleeve, and keyway is located on coupling nut.

Due to being equipped with loose-proof sleeve, loose-proof sleeve on the plug casing of the locking thread joints of optical fibre housing unit of the present invention It is front and rear moveable spin-ended to be assemblied on plug casing and at the rear of coupling nut, between plug casing and loose-proof sleeve Biasing springs are top-loaded with, and coupling nut stops with locking be placed at the abutting end of the two provided with what can be plugged together and separate vertically Structure is revolved, therefore, when in use, mutual spin-ended cooperation, loose-proof sleeve and plug casing between plug casing and Socket casing Between rotation stop coordinate, spin-ended cooperation, is thus just realized between coupling nut and Socket casing between coupling nut and loose-proof sleeve Spin-ended cooperation, so that locking purpose can be reached, when needing detachable maintaining, it is only necessary to compress biasing springs, Ran Houbian backward The separation of plug and socket can be equally realized to the optical connector component of common threaded connection, therefore, the present invention solves spiral shell The optical connector component anti-loosening property of line connection is poor and the problem of maintenance not easy to remove.

Brief description of the drawings

Fig. 1 is the use state figure of the embodiment of locking thread joints of optical fibre housing unit;

Fig. 2 is the exploded view of the embodiment of locking thread joints of optical fibre housing unit;

Fig. 3 is the structural representation of protheca;

Fig. 4 is the structural representation of rear enclosure;

Fig. 5 is the front view of coupling nut(Band section view);

Fig. 6 is the left view of coupling nut;

Fig. 7 is the stereogram of loose-proof sleeve;

Fig. 8 is the profile of loose-proof sleeve;

Fig. 9 is the structural representation of Socket casing part.

Embodiment

The embodiment of locking thread joints of optical fibre housing unit, as shown in figs 1-9, the locking thread joints of optical fibre shell Body component includes plug casing part and Socket casing part, and plug casing part and Socket casing part are each slotting using front end End is connect, plug casing part includes plug casing, and Socket casing part includes Socket casing 17.

Plug casing is provided with coupling nut 12 and loose-proof sleeve 13.Plug casing includes protheca 14 and rear enclosure 15, protheca 14 Front portion be provided with positioning key 16, positioning key 16, which is used to coordinate with the positioning spline on Socket casing 17, realizes plug casing and socket Positioning and rotation stop between housing 17.The rear portion of protheca 14 is provided with internal thread, meanwhile, it is further opened with feather key on the jacket wall at its rear portion Groove 18, the afterbody side of featherway 18 are provided with gap structure 19, and the gap structure 19 causes on the rear end face of protheca 14 in feather key The side of groove 18 forms a step surface, and the step surface can use as the structure of the other corresponding components of block.Rear enclosure 15 Screw assembly is fixed together in the afterbody of protheca 14 with protheca 14, in addition, being additionally provided with the outer structure of convex edge 20 on its jacket wall.

12 rotatable anticreep of coupling nut is assemblied on the protheca 14 of plug casing, and its mounting structure is prior art, It will not go into details herein.The rotation stop of loose-proof sleeve 13 is assemblied on the protheca 14 of plug casing and can moved along the longitudinal direction, connects spiral shell The rear end of cap 12 is adjacent with the front end of loose-proof sleeve, and being provided with wherein between the rear end of coupling nut 12 and the front end of loose-proof sleeve 13 can edge The spin-ended structure for axially plugging together and separating, in the present embodiment, spin-ended structure are specifically as set by the rear end of coupling nut 12 Plug-in type key 22 set by keyway 21 and the front end of loose-proof sleeve 13 is formed, and is provided with and the featherway 18 on protheca at the front end of loose-proof sleeve The feather key 23 coordinated is oriented to, loose-proof sleeve is assemblied on plug casing by the cooperation of feather key 23 and featherway and spin-ended.

During use, when needing locked coupling nut 12, plug-in type key 22 is inserted on coupling nut 12 Corresponding keyway in, when need discharge coupling nut 12 when, loose-proof sleeve 13 is moved rearwards, departs from plug-in type key 22 Slot on coupling nut 12, when needing significantly to be rotatablely connected nut 12, then loose-proof sleeve 13 is pulled back, by feather key 23 Hang on the above-mentioned step surface of protheca rear end, in order to prevent loose-proof sleeve automatic rollback, between plug casing and loose-proof sleeve Biasing springs are also top-loaded with, biasing springs push forward coupling nut, and in the present embodiment, biasing springs are specifically using spiral shell Revolve spring.

Socket casing 17 is provided with guiding groove 31 corresponding with the positioning key 16 on plug casing, is plugged together in plug and socket During, it is mutually positioned by the cooperation of positioning key and guiding groove therebetween, after plug and socket plug together, positioning key Spin-ended location structure can also be formed by coordinating with guiding groove, so as to realize the spin-ended cooperation between plug casing and Socket casing.

Claims (2)

1. locking thread joints of optical fibre housing unit, including each plug casing part and socket shell using front end as inserted terminal Body component, plug casing part include plug casing and coupling nut, and Socket casing part includes Socket casing, plug casing with It is provided between Socket casing and is used to make the spin-ended location structure that the two plugs together rear spin-ended cooperation, it is characterised in that on plug casing also Be equipped with loose-proof sleeve, before and after loose-proof sleeve it is moveable it is spin-ended be assemblied on plug casing and at the rear of coupling nut, Biasing springs are top-loaded between plug casing and loose-proof sleeve, biasing springs push forward loose-proof sleeve, and coupling nut is placed on locking It is provided with the spin-ended structure that can plug together and separate vertically at the abutting end of the two, plug casing is provided with featherway, on loose-proof sleeve It is described by the featherway and the spin-ended cooperation of feather key between loose-proof sleeve and plug casing provided with feather key corresponding with featherway Spin-ended structure is that keyway and plug-in type key, keyway are located on coupling nut, mutually corresponding provided with a pair at the front end of loose-proof sleeve Plug-in type key and feather key, the projection of plug-in type key is in the front of feather key.
2. locking thread joints of optical fibre housing unit according to claim 1, it is characterised in that the loose-proof sleeve assembling On the protheca of plug casing.
CN201410786520.XA 2014-12-18 2014-12-18 Locking thread joints of optical fibre housing unit CN104503034B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410786520.XA CN104503034B (en) 2014-12-18 2014-12-18 Locking thread joints of optical fibre housing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410786520.XA CN104503034B (en) 2014-12-18 2014-12-18 Locking thread joints of optical fibre housing unit

Publications (2)

Publication Number Publication Date
CN104503034A CN104503034A (en) 2015-04-08
CN104503034B true CN104503034B (en) 2018-01-05

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101966766B1 (en) * 2015-05-21 2019-04-08 아빅 존혼 옵트로닉 테크놀로지 컴퍼니, 리미티드 Floating adjustable sealing mechanism and connector using same
US9726831B2 (en) * 2015-07-02 2017-08-08 Senko Advanced Components, Inc. Bayonet lock MPO connector
CN107093826B (en) * 2017-03-30 2019-02-15 中航光电科技股份有限公司 Connector assembly and its connector, connector shell component

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6086400A (en) * 1997-10-17 2000-07-11 Electro Adapter, Inc. Self-locking cable connector coupling
CN201007748Y (en) * 2007-02-06 2008-01-16 中航光电科技股份有限公司 Jack contact member for optical cable connector plug/socket
CN102544893A (en) * 2012-02-02 2012-07-04 中航光电科技股份有限公司 Plug shell assembly and plug with same
CN103346431A (en) * 2013-06-26 2013-10-09 沈阳兴华航空电器有限责任公司 Anti-loosening connection structure of electric coupler

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6086400A (en) * 1997-10-17 2000-07-11 Electro Adapter, Inc. Self-locking cable connector coupling
CN201007748Y (en) * 2007-02-06 2008-01-16 中航光电科技股份有限公司 Jack contact member for optical cable connector plug/socket
CN102544893A (en) * 2012-02-02 2012-07-04 中航光电科技股份有限公司 Plug shell assembly and plug with same
CN103346431A (en) * 2013-06-26 2013-10-09 沈阳兴华航空电器有限责任公司 Anti-loosening connection structure of electric coupler

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