CN104181647A - Optical fiber connector and optical fiber connector assembly using optical fiber connector - Google Patents
Optical fiber connector and optical fiber connector assembly using optical fiber connector Download PDFInfo
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- CN104181647A CN104181647A CN201310563730.8A CN201310563730A CN104181647A CN 104181647 A CN104181647 A CN 104181647A CN 201310563730 A CN201310563730 A CN 201310563730A CN 104181647 A CN104181647 A CN 104181647A
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- contact pin
- coupling nut
- nut
- pin holder
- socket
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Abstract
The invention relates to an optical fiber connector and an optical fiber connector assembly using the optical fiber connector. The optical fiber connector comprises a pin component, the front end of which is an insertion end. The pin component comprises a pin holder provided with a pin. The pin holder is rotatably sleeved with a connection nut in screw cooperation with an external thread at the insertion end of a housing of a corresponding adapter connector so as to enable the pin to be in rigid butting with an adapter pin of the adapter connector. The pin holder is provided with an anti-dropping structure for being in limitation cooperation with the connection nut to stop the connection nut to get out of the pin holder along the axial direction. The invention provides an optical fiber connector which is strong in tension resistance capability.
Description
Technical field
The present invention relates to field of connectors, relate in particular to a kind of joints of optical fibre and use the fiber optic connector assembly of these joints of optical fibre.
Background technology
The existing joints of optical fibre as disclosed in Chinese patent CN202710790U " a kind of tensile type free fiber-optics connector and assembly thereof ", these joints of optical fibre comprise that front end is the connector shell of inserted terminal, the periphery of connector shell is rotated and is arranged with coupling nut, on the inner peripheral surface of coupling nut, be provided with for intermateable connector housing on external thread rotary assemble the internal thread closing, the contact pin components that can move forward and backward is installed in connector housing, contact pin components comprises contact pin holder and is fixedly arranged on the contact pin in contact pin holder, the front end of connector shell is provided with and limits the contact pin components limited step of the mobile limit forward for coordinating with contact pin holder block, on connector shell, be provided with plate washer in the rear end of contact pin holder, between baffle plate and contact pin holder, be top-loaded with preloading spring, contact pin components can have the axial float of certain limit in connector shell by preloading spring, although the Elastic Contact while realizing like this contact pin and intermateable connector grafting, ensure contact pin serviceable life, but the resistance to tension of the joints of optical fibre is not strong, in the time that reality is used, contact pin is easily subject to moving after optical cable pulling force and throws off with the contact pin components of intermateable connector, affect the connection effect of the joints of optical fibre, therefore this type optical fiber connector is not suitable in the environment for use that a few thing pulling force is higher and uses.
Summary of the invention
The object of the present invention is to provide the joints of optical fibre that a kind of resistance to tension is strong; The present invention also aims to provide a kind of fiber optic connector assembly that uses these joints of optical fibre.
In order to address the above problem, in the present invention, the technical scheme of the joints of optical fibre is:
The joints of optical fibre, comprise that front end is the contact pin components of inserted terminal, contact pin components comprises the contact pin holder that contact pin is installed, in described contact pin holder, turning set is provided with the coupling nut that described contact pin is docked for coordinating with the external thread spiral on corresponding intermateable connector housing inserted terminal with the adaptive contact pin rigidity of intermateable connector, in described contact pin holder, is provided with for stoping coupling nut vertically by the disconnecting prevention structure of deviating from described contact pin holder with spacing cooperation of coupling nut.
Described contact pin holder is arranged with the O-ring seal for coordinating with the inserted terminal axial seal of intermateable connector housing with on position corresponding inside described coupling nut.
Described contact pin holder is stretched out on the rear end of coupling nut and is installed with the clamp nut for corresponding afterbody sheath being fixed on to contact pin holder rear end, the front end face of described clamp nut limits the coupling nut mobile limit backwards for coordinating with coupling nut block, in described contact pin holder, be also provided with and limit the coupling nut nut limited step of the mobile limit forward for coordinating with coupling nut block, described nut limited step and the front end face of clamp nut have formed described disconnecting prevention structure.
In the present invention, the technical scheme of fiber optic connector assembly is:
Fiber optic connector assembly, comprise plug and socket, socket comprises Socket casing and socket contact pin components, plug comprises that front end is the plug insertion pin parts of inserted terminal, plug insertion pin parts comprise the contact pin holder that plug insertion pin is installed, described socket contact pin components is fixedly installed in described Socket casing, on the inserted terminal outer peripheral face of described Socket casing, be provided with housing external thread, in described contact pin holder, turning set is provided with the coupling nut that described plug insertion pin is docked for coordinating with described housing external thread spiral with the socket contact pin rigidity of socket contact pin components, in described contact pin holder, be provided with for stoping coupling nut vertically by the disconnecting prevention structure of deviating from described contact pin holder with spacing cooperation of coupling nut.
Described contact pin holder is arranged with the O-ring seal for coordinating with the inserted terminal axial seal of Socket casing with position corresponding inside described coupling nut.
Described contact pin holder stretch out coupling nut rear end be installed with the clamp nut for corresponding afterbody sheath being fixed on to contact pin holder rear end, the front end face of described clamp nut limits the coupling nut mobile limit backwards for coordinating with coupling nut block, in described contact pin holder, be also provided with and limit the coupling nut nut limited step of the mobile limit forward for coordinating with coupling nut block, described nut limited step and the front end face of clamp nut have formed described disconnecting prevention structure.
Beneficial effect of the present invention is: in the time that these joints of optical fibre are connected with intermateable connector, screw by the external thread on coupling nut and intermateable connector housing, the contact pin of contact pin components and the adaptive contact pin rigidity of intermateable connector are docked, can not axial float because contact pin components is connected nut locking, even when the joints of optical fibre are subject to larger pulling force, also can ensure the signal Transfer Quality of the joints of optical fibre, greatly improve the resistance to tension of the joints of optical fibre; Coupling nut is directly assemblied in the radial dimension that has also reduced connector in contact pin holder in addition, makes this connector be applicable to use in the little workplace of some installation dimensions.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of fiber optic connector assembly in the present invention;
Fig. 2 is the structural representation of plug in Fig. 1, is also the structural representation of an embodiment of the joints of optical fibre in the present invention simultaneously;
Fig. 3 is the structural representation of socket in Fig. 1.
Embodiment
The embodiment of fiber optic connector assembly is as shown in Figures 1 to 3: comprise plug 1 and socket 4, socket comprises Socket casing 5 and is fixedly mounted on the socket contact pin components 6 in Socket casing, on the inserted terminal outer peripheral face of Socket casing, is provided with housing external thread.Plug comprises that front end is the plug insertion pin parts 3 of inserted terminal, plug insertion pin parts comprise the contact pin holder 10 that plug insertion pin 11 is installed, in contact pin holder, turning set is provided with the coupling nut 2 for plug insertion pin is docked with housing external thread threaded engagement with socket contact pin 15 rigidity of socket contact pin components, is arranged with the O-ring seal 9 for being sealed and matched with the inserted terminal of Socket casing in contact pin holder in the inner side of coupling nut.In contact pin holder, on the rear side outer peripheral face of coupling nut, be provided with this extracorporeal thread, on this extracorporeal thread, be installed with the clamp nut 7 for corresponding afterbody sheath 13 being fixed on to contact pin holder rear end, the front end face of clamp nut limits the coupling nut mobile limit backwards for coordinating with coupling nut block, in contact pin holder, be also provided with and limit the coupling nut nut limited step 8 of the mobile limit forward for coordinating with coupling nut block, the front end face of nut limited step and clamp nut has formed for stoping coupling nut vertically by the disconnecting prevention structure of deviating from contact pin holder.In figure, part 14 represents the porcelain bushing of socket contact pin components, and part 16 represents the socket nut that prevents dust, and part 12 represents the plug nut that prevents dust.
When use, housing external thread threaded engagement on coupling nut and Socket casing on plug, nut is rotatably connected always, coupling nut is with socket contact pin and plug insertion pin move toward one another, until plug insertion pin and socket contact pin end contact location, connect rear socket contact pin and plug insertion pin and keep end contact, and ensure connector insertion loss requirement.This fiber optic connector assembly that is arranged so that of O-ring seal goes for underwater operation environment.
In other embodiment of this fiber optic connector assembly: in the time that needs use this fiber optic connector assembly in air, O-ring seal also can not established; Disconnecting prevention structure can also be made up of the jump ring being arranged between coupling nut and attachment body.
The embodiment of the joints of optical fibre is as shown in Figure 2: the concrete structure of the joints of optical fibre is identical with the plug described in above-mentioned each fiber optic connector assembly embodiment, is not described in detail in this.Certainly in other embodiment of these joints of optical fibre, the joints of optical fibre can be also socket.
Claims (6)
1. the joints of optical fibre, comprise that front end is the contact pin components of inserted terminal, contact pin components comprises the contact pin holder that contact pin is installed, it is characterized in that: in described contact pin holder, turning set is provided with the coupling nut that described contact pin is docked for coordinating with the external thread spiral on corresponding intermateable connector housing inserted terminal with the adaptive contact pin rigidity of intermateable connector, in described contact pin holder, is provided with for stoping coupling nut vertically by the disconnecting prevention structure of deviating from described contact pin holder with spacing cooperation of coupling nut.
2. the joints of optical fibre of locking according to claim 1, is characterized in that: described contact pin holder is arranged with the O-ring seal for coordinating with the inserted terminal axial seal of intermateable connector housing with on position corresponding inside described coupling nut.
3. the joints of optical fibre according to claim 1 and 2, it is characterized in that: described contact pin holder is stretched out on the rear end of coupling nut and is installed with the clamp nut for corresponding afterbody sheath being fixed on to contact pin holder rear end, the front end face of described clamp nut limits the coupling nut mobile limit backwards for coordinating with coupling nut block, in described contact pin holder, be also provided with and limit the coupling nut nut limited step of the mobile limit forward for coordinating with coupling nut block, described nut limited step and the front end face of clamp nut have formed described disconnecting prevention structure.
4. fiber optic connector assembly, comprise plug and socket, socket comprises Socket casing and socket contact pin components, plug comprises that front end is the plug insertion pin parts of inserted terminal, plug insertion pin parts comprise the contact pin holder that plug insertion pin is installed, it is characterized in that: described socket contact pin components is fixedly installed in described Socket casing, on the inserted terminal outer peripheral face of described Socket casing, be provided with housing external thread, in described contact pin holder, turning set is provided with the coupling nut that described plug insertion pin is docked for coordinating with described housing external thread spiral with the socket contact pin rigidity of socket contact pin components, in described contact pin holder, be provided with for stoping coupling nut vertically by the disconnecting prevention structure of deviating from described contact pin holder with spacing cooperation of coupling nut.
5. fiber optic connector assembly according to claim 4, is characterized in that: described contact pin holder is arranged with the O-ring seal for coordinating with the inserted terminal axial seal of Socket casing with position corresponding inside described coupling nut.
6. according to the fiber optic connector assembly described in claim 4 or 5, it is characterized in that: described contact pin holder stretch out coupling nut rear end be installed with the clamp nut for corresponding afterbody sheath being fixed on to contact pin holder rear end, the front end face of described clamp nut limits the coupling nut mobile limit backwards for coordinating with coupling nut block, in described contact pin holder, be also provided with and limit the coupling nut nut limited step of the mobile limit forward for coordinating with coupling nut block, described nut limited step and the front end face of clamp nut have formed described disconnecting prevention structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310563730.8A CN104181647A (en) | 2013-05-21 | 2013-11-12 | Optical fiber connector and optical fiber connector assembly using optical fiber connector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189454 | 2013-05-21 | ||
| CN201310189454.3 | 2013-05-21 | ||
| CN201310563730.8A CN104181647A (en) | 2013-05-21 | 2013-11-12 | Optical fiber connector and optical fiber connector assembly using optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104181647A true CN104181647A (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310563730.8A Pending CN104181647A (en) | 2013-05-21 | 2013-11-12 | Optical fiber connector and optical fiber connector assembly using optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104181647A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678509A (en) * | 2014-12-11 | 2015-06-03 | 中航光电科技股份有限公司 | Explosive shock-resistant optical fiber connector component |
| CN104678508A (en) * | 2014-12-11 | 2015-06-03 | 中航光电科技股份有限公司 | Explosive shock-resistant optical fiber connector plug |
| CN105629396A (en) * | 2016-03-31 | 2016-06-01 | 中航光电科技股份有限公司 | Optical fiber contact and optical fiber connector by using the same |
| CN109143480A (en) * | 2017-06-28 | 2019-01-04 | 中航光电科技股份有限公司 | Optical fiber connector and its plug, socket |
| CN110927889A (en) * | 2019-10-25 | 2020-03-27 | 中航光电科技股份有限公司 | Optical fiber plug connector and assembly in one-time butt joint |
| CN114361833A (en) * | 2021-12-08 | 2022-04-15 | 北京天玛智控科技股份有限公司 | Pin connecting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009139837A (en) * | 2007-12-10 | 2009-06-25 | Furukawa Electric Co Ltd:The | Optical connector |
| CN201749217U (en) * | 2010-08-25 | 2011-02-16 | 河北四方通信设备有限公司 | SMA-type optical fiber connector |
| CN202771041U (en) * | 2012-06-13 | 2013-03-06 | 中航光电科技股份有限公司 | Pin component for optical fiber adaptor connector |
-
2013
- 2013-11-12 CN CN201310563730.8A patent/CN104181647A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009139837A (en) * | 2007-12-10 | 2009-06-25 | Furukawa Electric Co Ltd:The | Optical connector |
| CN201749217U (en) * | 2010-08-25 | 2011-02-16 | 河北四方通信设备有限公司 | SMA-type optical fiber connector |
| CN202771041U (en) * | 2012-06-13 | 2013-03-06 | 中航光电科技股份有限公司 | Pin component for optical fiber adaptor connector |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678509A (en) * | 2014-12-11 | 2015-06-03 | 中航光电科技股份有限公司 | Explosive shock-resistant optical fiber connector component |
| CN104678508A (en) * | 2014-12-11 | 2015-06-03 | 中航光电科技股份有限公司 | Explosive shock-resistant optical fiber connector plug |
| CN104678508B (en) * | 2014-12-11 | 2017-04-19 | 中航光电科技股份有限公司 | Explosive shock-resistant optical fiber connector plug |
| CN104678509B (en) * | 2014-12-11 | 2018-08-10 | 中航光电科技股份有限公司 | The fiber optic connector assembly of explosion-proof impact |
| CN105629396A (en) * | 2016-03-31 | 2016-06-01 | 中航光电科技股份有限公司 | Optical fiber contact and optical fiber connector by using the same |
| CN109143480A (en) * | 2017-06-28 | 2019-01-04 | 中航光电科技股份有限公司 | Optical fiber connector and its plug, socket |
| CN109143480B (en) * | 2017-06-28 | 2021-03-23 | 中航光电科技股份有限公司 | Optical fiber connector and plug and socket thereof |
| CN110927889A (en) * | 2019-10-25 | 2020-03-27 | 中航光电科技股份有限公司 | Optical fiber plug connector and assembly in one-time butt joint |
| CN114361833A (en) * | 2021-12-08 | 2022-04-15 | 北京天玛智控科技股份有限公司 | Pin connecting device |
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Application publication date: 20141203 |