CN101446672A - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
- Publication number
- CN101446672A CN101446672A CNA2008102315782A CN200810231578A CN101446672A CN 101446672 A CN101446672 A CN 101446672A CN A2008102315782 A CNA2008102315782 A CN A2008102315782A CN 200810231578 A CN200810231578 A CN 200810231578A CN 101446672 A CN101446672 A CN 101446672A
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- CN
- China
- Prior art keywords
- housing
- casing
- key
- ring flange
- contact pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to an optical fiber connector comprising a casing and a contact pin component spliced in the casing; the contact pin component includes a flange which is matched with a positioning interface arranged inside the casing; the positioning interface in the casing is a ring surface; swirl reducing grooves are uniformly formed on the periphery of the flange; swirl reducing bonds extending from the ring surface to the rear end of the casing in the axial direction of the flange are arranged in the casing; the number of the swirl reducing bonds is less than that of the swirl reducing grooves; the peripheral angle formed by each two adjacent swirl reducing bonds is an integral multiple of the peripheral angle formed by each two adjacent swirl reducing grooves; and the swirl reducing bonds are matched with the swirl reducing grooves. The optical fiber connector which adopts the technical scheme is characterized in that the swirl reducing bonds are arranged corresponding to the positions of the swirl reducing grooves formed on the flange in the casing, and serve as a strengthening rib in the casing, thereby intensifying the strength of the casing.
Description
Technical field
The present invention relates to a kind of joints of optical fibre.
Background technology
The joints of optical fibre are an element of any optical fiber telecommunications system basically.For example, this connector can be used for segmentation optical fiber is connected into longer length; Optical fiber is linked active device such as radiation source detecting device and repeater; Or optical fiber linked passive device such as switch and attenuator.The major function of joints of optical fibre is to safeguard that two optical fiber end are axially alignd a fiber cores with another fibre core; Thereby will all be coupled to another optical fiber from the light of an optical fiber.This needs a quite accurate connection, because year light district (fibre core) of optical fiber is quite little.In single-mode fiber, core diameter is about 8 μ m (1 μ m=10
-3Mm).U.S. Pat 6287018 has been announced a kind of like this joints of optical fibre: be fitted with a contact pin assembly in the housing of these joints of optical fibre, the contact pin assembly comprises ring flange and is plugged in the contact pin of ring flange front end, wherein the outer peripheral face of ring flange is provided with positive six ribs and only revolves structure, and positive six ribs of companion flange dish only revolve structure and are provided with orthohexagonal hole in the housing.Though use the structure of positive six ribs can prevent that the contact pin assembly from rotating with respect to housing; the protection optical cable is avoided reversing and is damaged; but; after orthohexagonal hole is set in housing; the shell wall of housing is by skiving; because the joints of optical fibre are generally all smaller, all can reduce the intensity of housing greatly to the small attenuate of shell wall again.In addition, this United States Patent (USP) also provides a kind of contact pin assembly to be provided with a plurality of slits, and housing is provided with a plurality of projections, in the less housing of the joints of optical fibre a plurality of projections is set, when injection moulding, be difficult for the demoulding, cause the situation generation that projection is relative and the housing generation is torn when the demoulding easily.
Summary of the invention
The purpose of this invention is to provide a kind of joints of optical fibre, little and be difficult for the problem of the demoulding in order to the casing rigidity that solves the existing fiber connector.
For achieving the above object, the present invention adopts following technical scheme: a kind of joints of optical fibre, comprise housing and be plugged in the interior contact pin assembly of housing, interface, location in the described housing is an anchor ring, upwards evenly be provided with only spin slot the week of ring flange, be provided with in the housing from anchor ring along ring flange axially to what extended the housing rear end and only revolve key, the number of only revolving key is less than the only number of spin slot, and per two adjacent circumferential angles of only revolving key are the per two adjacent integral multiples that end the circumferential angle of spin slot, and the described key that only revolves cooperates with only spin slot is identical.
Described ring flange week upwards evenly be provided with two, four or six and end spin slots, upwards evenly being provided with one, two or three only revolves key week in the described housing, and the present invention adopts four, and only spin slot and two are only revolved key.
The joints of optical fibre of such scheme, interior being provided with corresponding to the only spin slot position that is provided with on the ring flange of its housing only revolved key, only revolve key and in housing, played the effect of reinforcement, strengthened the intensity of housing, and realized the reliable demoulding under the situation of intensity satisfying.In addition, only revolve key and end the spin slot inserting together, played preventing the contact pin assembly, avoided causing optical cable to turn round damage even the whole situation generation that optical cable fractures because of the contact pin assembly rotates relative to housing with respect to the effect that housing rotates.
In addition, housing is interior along circumferentially evenly being provided with two only revolves key altogether, only revolve the even distribution of key and can make housing upwards have better mechanical property, avoided being provided with that inhomogeneous to produce circumferential shrinkage factor otherness when causing injection moulding big, the problem that product percent of pass is low because of only revolving key in week.Also have, end spin slots upwards evenly being provided with four the week of ring flange, end spin slot and only revolve the corresponding cooperation of key, be provided with on the position of symmetry four only spin slot make to have mechanical property preferably again when finishing anti-rotating function.Also have, in housing, only revolve key along circumferentially evenly being provided with two, end spin slots upwards evenly being provided with four the week of ring flange, the inserting that only needs when mounted the rotation of contact pin assembly can be coincide the contact pin assembly less than 90 ° angle is convenient to fast precisely assembling in housing.
Description of drawings
Fig. 1 is the structural representation that partly cuts open of the present invention;
Fig. 2 is a stereographic map of the present invention;
Fig. 3 is the stereographic map of contact pin assembly;
Fig. 4 is the front view of procapsid;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the D-D cut-open view of Fig. 4.
Embodiment
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of joints of optical fibre of the present invention shown in Figure 6, comprise housing, housing is pegged graft by procapsid 2 and back casing 5 and is formed, only revolve in the procapsid and be fitted with the contact pin assembly, procapsid 2 and back casing 5 plug-in position places are provided with a spring installation room, be provided with spring 4 along this joints of optical fibre plug direction in the spring installation room, an end of spring 4 affacts on the back casing 5, and the other end of spring 4 affacts on the contact pin assembly.Above-mentioned contact pin assembly comprises that ring flange 3 and interference are plugged in the contact pin 1 of ring flange 3 front ends, the front end face of ring flange 3 is the plane, upwards evenly have in the week of ring flange 3 four from the ring flange front end face along the contact pin assembly the axially extended spin slot 8 that ends, front end face with respect to ring flange 3 in the procapsid 2 is provided with thrust surface 11, be provided with two in the housing and only revolve key 7, only revolve the symmetrical spin slots 8 that end of on key 7 and the ring flange two and coincide and cooperate from what thrust surface 11 extended back.Afterbody at back casing 5 is provided with a sheath 9, and the afterbody outer peripheral face of sheath 9 is provided with dislocation preventing slot 10.
For example, when evenly being provided with 6 on the ring flange when ending spin slot, can be provided with 1,2,3,4 or 5 in the procapsid and only revolve key, the key position of every kind of situation can be selected to make up with 61,2,3,4 or 5 of ending in the spin slot.
Claims (2)
1. joints of optical fibre, comprise housing and be plugged in the interior contact pin assembly of housing, described contact pin assembly comprises ring flange, ring flange matches with the interface, location of setting in the housing, it is characterized in that: the interface, location in the described housing is an anchor ring, upwards evenly be provided with only spin slot the week of ring flange, be provided with in the housing from anchor ring along ring flange axially to what extended the housing rear end and only revolve key, the number of only revolving key is less than the only number of spin slot, and per two adjacent circumferential angles of only revolving key are the per two adjacent integral multiples that end the circumferential angle of spin slot, and the described key that only revolves cooperates with only spin slot is identical.
2. the joints of optical fibre according to claim 1 is characterized in that: described ring flange week upwards evenly is provided with two, four or six and ends spin slot, and all in the described housing upwards evenly being provided with one, two or three only revolves key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810231578.2A CN101446672B (en) | 2008-12-30 | 2008-12-30 | Optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810231578.2A CN101446672B (en) | 2008-12-30 | 2008-12-30 | Optical fiber connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101446672A true CN101446672A (en) | 2009-06-03 |
| CN101446672B CN101446672B (en) | 2014-10-22 |
Family
ID=40742434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810231578.2A Expired - Fee Related CN101446672B (en) | 2008-12-30 | 2008-12-30 | Optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101446672B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887148A (en) * | 2010-07-02 | 2010-11-17 | 张莉 | Fiber core linker |
| CN101950056A (en) * | 2010-09-10 | 2011-01-19 | 中航光电科技股份有限公司 | Fiber optic connector |
| CN109425940A (en) * | 2017-09-01 | 2019-03-05 | 中航光电科技股份有限公司 | A kind of fiber optic connector assembly and its optical fiber connector, contact |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3066739B2 (en) * | 1996-07-15 | 2000-07-17 | セイコーインスツルメンツ株式会社 | General-purpose optical connector and basic plug |
| US6287018B1 (en) * | 1999-07-28 | 2001-09-11 | Lucent Technologies Inc. | Tunable optical fiber connector |
-
2008
- 2008-12-30 CN CN200810231578.2A patent/CN101446672B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887148A (en) * | 2010-07-02 | 2010-11-17 | 张莉 | Fiber core linker |
| CN101950056A (en) * | 2010-09-10 | 2011-01-19 | 中航光电科技股份有限公司 | Fiber optic connector |
| CN101950056B (en) * | 2010-09-10 | 2013-06-19 | 中航光电科技股份有限公司 | Fiber optic connector |
| CN109425940A (en) * | 2017-09-01 | 2019-03-05 | 中航光电科技股份有限公司 | A kind of fiber optic connector assembly and its optical fiber connector, contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101446672B (en) | 2014-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20181230 |