CN103217747A - Optical fiber connector branching device - Google Patents
Optical fiber connector branching device Download PDFInfo
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- CN103217747A CN103217747A CN2013100675854A CN201310067585A CN103217747A CN 103217747 A CN103217747 A CN 103217747A CN 2013100675854 A CN2013100675854 A CN 2013100675854A CN 201310067585 A CN201310067585 A CN 201310067585A CN 103217747 A CN103217747 A CN 103217747A
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- socket
- plug
- junction box
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- joints
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Abstract
The invention relates to an optical fiber connector branching device which comprises a branching box and a connector. The connector comprises a plug, a socket and an anti-falling mechanism. The socket is installed on the branching box through a socket shell body. A containing cavity is formed at the front end of a plug shell body of the plug. An anti-falling groove is formed in the peripheral face of the socket shell body. The anti-falling mechanism comprises an elastic piece arranged in the containing cavity, and the elastic piece is provided with an outer end and an inner end, wherein the outer end is connected with the plug shell body, and the inner end inclines backward towards the center of the containing cavity and elastically overhangs so that the inner end can upwarp outward in the single direction when pushed from front to back. The inner end of the elastic piece is used for being clamped into the anti-falling groove formed in the periphery of the socket shell body and preventing an inserting connection end of the socket from falling off the containing cavity, and an unlocking sleeve is arranged on the plug shell body in a guiding, sliding and sleeved mode, wherein the unlocking sleeve is used for exerting thrust from front to back on the inner end of the elastic piece to enable the inner end of the elastic piece to upwarp outwards and to fall off the anti-falling groove. The problem that the radial dimension of a plug in an exiting branching device is large is solved, and the small-sized branching box is further provided.
Description
Technical field
The present invention relates to joints of optical fibre branch means.
Background technology
Existing fiber connector branch means comprises junction box mounting structure and a plurality of joints of optical fibre, and the joints of optical fibre comprise the plug and socket of pegging graft mutually when using, and wherein each socket is installed on the junction box of junction box mounting structure.The structure of the existing plug joints of optical fibre such as Chinese patent literature CN201749211U disclosed " a kind of fast insert-pull joints of optical fibre ", comprise that front end is the plug and socket of inserted terminal, also comprise the escapement of realizing plug and socket grafting back anticreep, escapement comprises the elastomer seat on the inserted terminal that is arranged on plug, elastomer seat is provided with the flexure strip that elasticity forward overhangs, the front end of each flexure strip is provided with pawl, the front end of pawl is a wedge structure, be set with on the outer wall of elastomer seat one can before and after the movable housing that slides, the shell wall of movable housing is provided with and the corresponding window of pawl quantity and position, and outstanding pawl can stretch out from corresponding window; Socket comprises the barrel that is used to be set in the movable housing periphery of Socket casing and periphery setting thereof, and the barrel of barrel is provided with and the adaptive draw-in groove that clamps of corresponding pawl.In use, the inserted terminal of plug, socket plugs together mutually, pawl on the elastomer seat and the draw-in groove on the socket is spacing clamps, realize the grafting locking of plug and socket, when the needs plug separates with socket, pull back movable housing, the window on the movable housing is from the position slippage backward of pawl, thereby and contract in the compressing Unwinding tooth and make in the draw-in groove of pawl by barrel, realize separating of plug and socket.The existing plug joints of optical fibre realized plug and socket quick grafting, separate, in order to realize the anticreep after plug and socket are pegged graft, pawl on the flexure strip need cooperate with the draw-in groove on the barrel is spacing, this just makes that the shell portion on the socket is a necessary part, shell portion the radial dimension that has increased socket is set, be not suitable for using in the conditional workplace of some usage spaces, especially be not suitable on junction box, using, can make junction box have bigger width and height, the size of junction box is bigger.
Summary of the invention
The object of the present invention is to provide a kind of joints of optical fibre branch means, to solve the bigger problem of plug radial dimension in the existing branch means.
In order to address the above problem, technical scheme of the present invention is:
Joints of optical fibre branch means, comprise junction box and at least two connectors, connector comprises that front end is the plug and socket of inserted terminal and realizes plug, the escapement of anticreep after socket is pegged graft, socket is installed on the described junction box by Socket casing, the plug casing front end of plug is provided with the container cavity of the inserted terminal that is used to hold socket, the outer peripheral face of Socket casing is provided with the anticreep groove, escapement comprises the elastic component that is arranged in the described container cavity, elastic component has the outer end that links to each other with plug casing, overhang with the inner of unidirectional outside perk when bearing direction thrust from front to back with center towards the container cavity elasticity that recedes, the inner of described elastic component be used for snapping in the anticreep groove of described Socket casing periphery and the inserted terminal that stops socket by deviating from the container cavity, the guiding slip cap is equipped with to be used for applying by the thrust of preceding backward directions so that stick up outside elastic component inner by what described anticreep groove was deviate to the inner of elastic component and separates lock tube on the described plug casing.
Described junction box comprises box body and the bottom that vertically is provided with along the vertical direction when using, the front end face of described box body is provided with the waveform mounting structure that trend is extended along the vertical direction, that the downside of described waveform mounting structure is provided with is axially vertical with this side bearing of trend, and the have a down dip socket installation sleeve of extension of court, the endoporus of socket installation sleeve is communicated with the inner chamber of junction box, coaxial being plugged in the corresponding socket installation sleeve of Socket casing sealing of described each socket.
The described lock tube of separating comprises along the fore-and-aft direction slip cap and is loaded on the outer sleeve body of plug casing front end and is arranged at interior body in the container cavity, inside and outside body is fixedly connected by web joint, described in the rear end of body be used for to the inner of described elastic collar apply towards the rear to thrust.
The lower end of described installation sleeve is sheathed on described periphery of separating the outer sleeve body of lock tube at plug, socket when pegging graft.
Described branch means also comprises and is used for fixing the installing plate that is installed on corresponding wall or the column, described junction box sealing and fixing is installed on the described installing plate, the two ends up and down of described installing plate are provided with the installing plate fixed orifice that runs through described installing plate along fore-and-aft direction, and the middle part of described installing plate is provided with for corresponding larynx hoop and wears groove along the larynx hoop that left and right directions installs.
The lower end of junction box is provided with the optical cable access port that axially extends along the vertical direction, sealing is coated with and is used for fixing the optical cable fixed cover that is set in corresponding optical cable main line periphery in the described optical cable access port, described optical cable fixed cover and the assembling of described junction box spline, described junction box is provided with described optical cable fixed cover is moved axially spacing fixed cover position limiting structure up and down.
Convex with inwardly in the rear of described elastic component on the described plug casing and be used for the feather key that cooperates with guiding keyway guiding on the respective socket housing, the front end face of described feather key flushes setting or feather key with the contact pin front end face of plug front end face is positioned at the place ahead of the contact pin front end face of plug.
Beneficial effect of the present invention is: when socket inserts the container cavity of plug from front to back, the inner that the inserted terminal of socket can promote elastic collar makes inner outwards perk, when the plug insertion puts in place, spacing cooperation of anticreep groove on the inserted terminal outer peripheral face of the inner of elastic collar and socket, realize the axial anticreep of plug and socket; When needing plug, socket to separate, promote backward to separate lock tube, separate inner outer stick up and by deviating from the anticreep groove, breakaway plug, socket get final product then of moving behind the lock tube and promoting elastic collar.The grafting of plug, socket with separate all very simply, be applicable to the singlehanded operation in high-altitude; The inner of elastic collar extension that recedes inwardly, the anticreep groove is arranged on the outer peripheral face of Socket casing simultaneously, need be on Socket casing other anticreep spare of suit, dwindled the radial dimension of socket greatly, doing that this makes also that the radial dimension of plug casing also can try one's best is little, and required length and the width dimensions of the junction box of mounting receptacle also all dwindled as much as possible, realized that the miniaturization of junction box is made.
Description of drawings
Fig. 1 is the structural representation of an embodiment of joints of optical fibre branch means among the present invention;
Fig. 2 is that the A-A of Fig. 1 is to cut-open view;
Fig. 3 is that the B-B of Fig. 1 is to cut-open view;
Fig. 4 is the I place enlarged drawing among Fig. 2;
Fig. 5 inserts D place enlarged drawing among Fig. 2;
Fig. 6 is the synoptic diagram that cooperates of plug and socket among Fig. 1;
Fig. 7 is the structural representation when plug separates with socket among Fig. 6;
Fig. 8 is the structural representation of socket among Fig. 6.
Embodiment
The embodiment of joints of optical fibre branch means is shown in Fig. 1 ~ 8: comprise that being used for fixing the installing plate 16, the sealing and fixing that are installed on corresponding wall or the column is installed in junction box and a plurality of joints of optical fibre on the installing plate.Junction box comprises box body 17 and the bottom 18 that vertically is provided with along the vertical direction when using, bottom is installed on the box body 17 by the structure that clamps that is provided with on it, the front end face of box body front end end cover 17-1 is provided with the waveform mounting structure 17-2 that three trends are extended along the vertical direction, be wholely set on the downside of each waveform mounting structure two axially vertical with this side bearing of trend, and towards the socket installation sleeve 19 that has a down dip and extend, the endoporus of socket installation sleeve is communicated with the inner chamber of junction box, each socket seals coaxial being threaded onto in the corresponding socket installation sleeve respectively, the inner hole wall of socket installation sleeve is provided with the annular socket installation base, the Socket casing of socket is provided with the bullet pawl structure that clamps with corresponding annular socket installation base elasticity, wherein no socket installation sleeve can be blocked by plugging structure, such as in the present invention, the optical cable main line is a twelve-core optical cable main line, can six joints of optical fibre of tap, and all the other six socket installation sleeves can be by the plugging structure shutoff, when the optical cable main line is 20 four optical-fiber cable main lines, can all open 12 socket installation sleeves.The joints of optical fibre comprise that front end is the plug and socket of inserted terminal and realizes the peg graft escapement of back anticreep of plug, socket, and plug comprises plug casing 1, and plug casing 1 front end is provided with the container cavity of the inserted terminal that is used to hold socket.Socket comprises Socket casing 6, and the outer peripheral face of Socket casing 6 is provided with anticreep groove 9, is provided with the guiding keyway that guide direction is extended along fore-and-aft direction in the place ahead of anticreep groove 9 on the Socket casing 6, and the guiding keyway is communicated with the front end face of Socket casing 6.Be provided with the contact pin mounting hole in the Socket casing 6; in the contact pin mounting hole pin modules is housed; be top-loaded with preloading spring 10 between pin modules and the Socket casing; pin modules comprises the porcelain bushing 13 of socket contact pin 11 and front end suit thereof; the periphery of porcelain bushing 13 is set with metal protection protector 12; the endoporus of metal protection protector 12 is a stepped hole for the porcelain bushing installation; tolerance clearance between metal protection protector 12 and the porcelain bushing 13 is less than the gap between metal protection protector 12 and the contact pin mounting hole; the outer peripheral face of metal protection protector 12 moves with the hole wall guiding of contact pin mounting hole and cooperates; when protective metal shell takes out, porcelain bushing can be taken out of.Escapement comprises the elastic collar that is arranged in the container cavity, elastic collar has the outer end 4-2 that links to each other with plug casing 1, overhang with the inner 4-1 that expands outside unidirectional when bearing direction thrust from front to back with center towards the container cavity elasticity that recedes, outer end 4-2 is fitted on the plug casing 1 by packing ring 15, and the receipts riveting by packing ring 15 specifically press-fits the outer end on plug casing.At plug, when socket is pegged graft, the inner 4-1 of elastic collar be used for Socket casing 6 on anticreep groove spacing cooperation of 9 elasticity and stop the inserted terminal of socket to be deviate from by container cavity, the guiding slip cap is equipped with and is used for applying by the thrust of preceding backward directions so that bloated and separate lock tube 5 by what anticreep groove 9 was deviate from the inner 4-1 of elastic collar outside to the inner 4-1 of elastic collar on the plug casing 1, separating lock tube 5 comprises along the fore-and-aft direction slip cap and is loaded on the outer sleeve body 5-1 of plug casing 1 front end and is arranged at interior body 5-2 in the container cavity, in, outer sleeve body is fixedly connected by web joint 5-3, in, outer sleeve body and web joint are wholely set, the rear end of interior body 5-2 be used for to the inner 4-1 of elastic collar apply towards the rear to thrust, when plug and socket grafting, the front end sleeve of socket installation sleeve is loaded on the periphery of outer sleeve body, like this when having rainwater to flow down on by the socket installation sleeve, rainwater can flow down along outer sleeve body, can not enter plug, damage contact element in the socket.In the rear of described elastic collar the inserted terminal that is used for the respective socket housing is installed on the plug casing 1 and seals the O RunddichtringO 8 of pegging graft, convex with inwardly in the rear of elastic collar on the plug casing and be used for the feather key that cooperates with guiding keyway guiding on the Socket casing, the front end face of feather key is positioned at the place ahead of the plug contact pin front end face of plug.The rear end of the box body of junction box is provided with the O RunddichtringO of realizing junction box and installing plate sealing assembling, the two ends up and down of installing plate are provided with the installing plate fixed orifice that runs through installing plate along fore-and-aft direction, and the middle part of installing plate is provided with for corresponding larynx hoop and wears groove along the larynx hoop that left and right directions installs.The lower end of box body is provided with the optical cable access port that axially extends along the vertical direction, sealing is coated with and is used for fixing the optical cable fixed cover 20 that is set in corresponding optical cable main line periphery in the optical cable access port, optical cable fixed cover and optical cable main line are by taper bonded structure 21 bonding being connected, taper bonded structure 21 can also play the tension effect, the optical cable fixed cover assembles with the box body spline by the spline key 22 spline plug-in mountings that are provided with on the spline keyway that is provided with on it and the box body, junction box is provided with described optical cable fixed cover is moved axially spacing fixed cover position limiting structure up and down, and the fixed cover position limiting structure comprises last positioning boss that is convexly set on the bottom and the following positioning boss that is arranged on the box body.
Can be during use by the installing plate fixed orifice on the installing plate with installing plate, junction box is fixed on the corresponding wall (wall), perhaps wear in the groove larynx hoop with installing plate by being threaded onto the larynx hoop, the junction box colligation is fixed on the corresponding column (electric pole), when realizing that in the high-altitude plug and socket are pegged graft, the singlehanded plug that promotes was moved to respective socket to the previous dynasty by the back, the inserted terminal of socket is the inner of pushing tow elastic collar backward, inner outer the expanding of elastic collar and get out of the way the inserted terminal of socket, when the front end face of the inserted terminal of socket push up to plug casing plug together confined planes 7 time, plug, socket is pegged graft and to be put in place, this moment elastic collar the inner and Socket casing on anticreep groove spacing cooperation of elasticity and the inserted terminal that stops socket by deviating from the container cavity; When the needs plug, when socket separates, promote to separate lock tube backward, one of the inner that the interior body of separating lock tube is given elastic collar towards the rear to thrust, the inner of elastic collar is subjected to thrust and expands outward and by deviating from the anticreep groove, can realize the separation of plug, socket this moment.This plug joints of optical fibre can realize that the quick grafting of plug, socket separates, spacing cooperation of anticreep groove on the inner of elastic collar and the plug casing outer peripheral face and realize the axial anticreep of plug, socket simultaneously, need be at other anticreep spare of the periphery suit of Socket casing, can accomplish the radial dimension of socket very little, at the socket radial dimension hour, the radial dimension of plug also can be accomplished very little, this has just reduced junction box required size on length and the Width, realizes that the miniaturization of junction box is made; Feather key can guarantee the orientation grafting of plug and socket, prevents error; Metal protection protector can effectively be protected porcelain bushing, has solved the problem that porcelain bushing often breaks and damages; When rainwater is arranged, waveform mounting structure on the box body has well been realized drainage, do not have ponding on the box body, when water flows on the downside by the upper side edge of waveform mounting structure, rainwater can continue stream downwards in the back on the outer sleeve body that flows to the release cover on the outer peripheral face of socket installation sleeve, can on connector, not accumulate, more can right plug and the splicing position of socket enter connector and damage contact element.
In other embodiments of the invention: junction box is common rectangular box structure also; The quantity that is arranged at the socket installation sleeve on the junction box can also be arranged to other number as required; Separate lock tube and also can include only inside and outside cover, the outer end of interior cover is directly connected in outer putting, and cover is a taper sheath in this moment; Certainly the guiding keyway that is arranged at the feather key on the plug casing and is arranged on the Socket casing all can not established.
Claims (7)
1. joints of optical fibre branch means, comprise junction box and at least two connectors, connector comprises that front end is the plug and socket of inserted terminal and realizes plug, the escapement of anticreep after socket is pegged graft, socket is installed on the described junction box by Socket casing, it is characterized in that: the plug casing front end of plug is provided with the container cavity of the inserted terminal that is used to hold socket, the outer peripheral face of Socket casing is provided with the anticreep groove, escapement comprises the elastic component that is arranged in the described container cavity, elastic component has the outer end that links to each other with plug casing, overhang with the inner of unidirectional outside perk when bearing direction thrust from front to back with center towards the container cavity elasticity that recedes, the inner of described elastic component be used for snapping in the anticreep groove of described Socket casing periphery and the inserted terminal that stops socket by deviating from the container cavity, the guiding slip cap is equipped with to be used for applying by the thrust of preceding backward directions so that stick up outside elastic component inner by what described anticreep groove was deviate to the inner of elastic component and separates lock tube on the described plug casing.
2. joints of optical fibre branch means according to claim 1, it is characterized in that: described junction box comprises box body and the bottom that vertically is provided with along the vertical direction when using, the front end face of described box body is provided with the waveform mounting structure that trend is extended along the vertical direction, that the downside of described waveform mounting structure is provided with is axially vertical with this side bearing of trend, and the have a down dip socket installation sleeve of extension of court, the endoporus of socket installation sleeve is communicated with the inner chamber of junction box, coaxial being plugged in the corresponding socket installation sleeve of Socket casing sealing of described each socket.
3. joints of optical fibre branch means according to claim 2, it is characterized in that: the described lock tube of separating comprises along the fore-and-aft direction slip cap and is loaded on the outer sleeve body of plug casing front end and is arranged at interior body in the container cavity, inside and outside body is fixedly connected by web joint, described in the rear end of body be used for to the inner of described elastic collar apply towards the rear to thrust.
4. joints of optical fibre branch means according to claim 3 is characterized in that: the lower end of described installation sleeve is sheathed on described periphery of separating the outer sleeve body of lock tube at plug, socket when pegging graft.
5. joints of optical fibre branch means according to claim 1, it is characterized in that: described branch means also comprises and is used for fixing the installing plate that is installed on corresponding wall or the column, described junction box sealing and fixing is installed on the described installing plate, the two ends up and down of described installing plate are provided with the installing plate fixed orifice that runs through described installing plate along fore-and-aft direction, and the middle part of described installing plate is provided with for corresponding larynx hoop and wears groove along the larynx hoop that left and right directions installs.
6. joints of optical fibre branch means according to claim 2, it is characterized in that: the lower end of junction box is provided with the optical cable access port that axially extends along the vertical direction, sealing is coated with and is used for fixing the optical cable fixed cover that is set in corresponding optical cable main line periphery in the described optical cable access port, described optical cable fixed cover and the assembling of described junction box spline, described junction box is provided with described optical cable fixed cover is moved axially spacing fixed cover position limiting structure up and down.
7. according to any described joints of optical fibre branch means of claim 1 ~ 6, it is characterized in that: convex with inwardly in the rear of described elastic component on the described plug casing and be used for the feather key that cooperates with guiding keyway guiding on the respective socket housing, the front end face of described feather key flushes setting or feather key with the contact pin front end face of plug front end face is positioned at the place ahead of the contact pin front end face of plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067585.4A CN103217747B (en) | 2013-03-04 | 2013-03-04 | Optical fiber connector branching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067585.4A CN103217747B (en) | 2013-03-04 | 2013-03-04 | Optical fiber connector branching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103217747A true CN103217747A (en) | 2013-07-24 |
| CN103217747B CN103217747B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310067585.4A Expired - Fee Related CN103217747B (en) | 2013-03-04 | 2013-03-04 | Optical fiber connector branching device |
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| CN (1) | CN103217747B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372774A (en) * | 2014-08-21 | 2016-03-02 | 中兴通讯股份有限公司 | Fiber adapter box |
| CN107317157A (en) * | 2016-04-25 | 2017-11-03 | 罗森伯格技术（昆山）有限公司 | A kind of integrated cable-assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372774A (en) * | 2014-08-21 | 2016-03-02 | 中兴通讯股份有限公司 | Fiber adapter box |
| CN107317157A (en) * | 2016-04-25 | 2017-11-03 | 罗森伯格技术（昆山）有限公司 | A kind of integrated cable-assembly |
| CN107317157B (en) * | 2016-04-25 | 2024-01-30 | 普罗斯通信技术（苏州）有限公司 | Integrated cable assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103217747B (en) | 2015-04-29 |
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