CN105403959A - Optical contact piece module and fiber connector using the same - Google Patents
Optical contact piece module and fiber connector using the same Download PDFInfo
- Publication number
- CN105403959A CN105403959A CN201510986570.7A CN201510986570A CN105403959A CN 105403959 A CN105403959 A CN 105403959A CN 201510986570 A CN201510986570 A CN 201510986570A CN 105403959 A CN105403959 A CN 105403959A
- Authority
- CN
- China
- Prior art keywords
- module housing
- lock pin
- module
- pressure welding
- housing
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
Abstract
The invention relates to an optical contact piece module and a fiber connector using the same. The optical contact piece module comprises module housing bodies arranged in front and back connector housing bodies respectively. The module housing bodies comprise a front module housing body and a back module housing body which are arranged in front and back positions respectively. An inserting core is arranged in the module housing bodies along the front and back direction in a guiding moving manner. The front end penetrates out of the front side of the front module housing body. A spring used for imposing acting force in the forward direction is arranged between the inserting core and the back module housing body. The front module housing body cooperates with the inserting core in a blocking manner so as to restrain the inserting core to extremely move forwards. A back sleeve which cooperates with a pressure welding sleeve and used for carrying out pressure welding fixing on a reinforcing piece in a cable is arranged on the back end of the back module housing body. According to the invention, the problem of inconvenient pressure welding operation caused by the fact that the pressure welding process of the reinforcing piece should be carried out after the front and back connector housing bodies have been assembled in the prior art is solved.
Description
Technical field
The present invention relates to light contact element module and use the joints of optical fibre of this light contact element module.
Background technology
In a communications system, the most general a kind of joints of optical fibre applied by the LC type joints of optical fibre, and it is not only for the contact connector of fibre circuit, and for the connection with optical transceiver module (optical module), the most widely used external physical interface of optical module, as SFP module etc.Along with the development of the communication technology, and machine room space is more and more valuable, the development of technology drives the volume of communication facilities more and more to optimize, at the external interface of equipment, also optimize step by step, the joints of optical fibre become the direction of optimization in the packing density of axial length and wiring space, radial section, for the LC type joints of optical fibre thereupon, it is less that the packing density at its radial interface optimizes space, at present around the optimization of its optimization mainly plug length.
The existing LC joints of optical fibre are as shown in Figure 1-2: comprise by front connector housing 2, the connector shell that rear connector shell 4 is formed, before, lock pin parts are provided with in the inner chamber of rear connector shell, lock pin parts comprise the spring 3 that guiding movement is assemblied in the lock pin 1 on front connector housing 2 and is arranged between lock pin 1 and rear connector shell 4, rear connector shell 4 is provided with rear end by the supporting sleeve 5 stretched out on rear side of rear connector shell, the rear perpheral of supporting sleeve 5 is arranged with crimping sleeve 6, the outer race of support set and crimping sleeve is provided with cable jacket, the reinforcement of optical cable 7 such as aramid fiber are crimped and are fixed between supporting sleeve and crimping sleeve.During use, these LC joints of optical fibre and the adaptive LC joints of optical fibre are to inserting, spring can ensure lock pin and adaptive lock pin to relay, guarantee signal transmission quality.Existing this LC joints of optical fibre Problems existing is: 1, fix because needs carry out crimping to aramid fiber, therefore need to make the rear end of supporting sleeve extend out in cable jacket by the rear side of rear connector shell, that is the crimping of aramid fiber betides in the cable jacket on rear side of rear connector shell, this just causes the length of cable jacket longer, makes the length of the whole LC joints of optical fibre longer; 2, due to when crimping aramid fiber, need to ensure that spring has been in assembling completion status, this holds after just needing forward and backward connector shell to have assembled again and assembles forward and backward connector shell crimps aramid fiber, due to the size of forward and backward connector shell and the restriction of corresponding construction, cause the inconvenience of crimping process operation.
Summary of the invention
The object of the present invention is to provide a kind of light contact element module, cause the problem of crimping operation inconvenience to solve in prior art because reinforcement crimping process need carries out after forward and backward connector shell has been assembled; The present invention also aims to provide a kind of joints of optical fibre using this light contact element module.
In order to solve the problem, in the present invention, the technical scheme of light contact modules is:
Light contact element module, comprise for be arranged at corresponding before, module housing in rear connector shell, the front module housing arranged before and after module housing comprises and rear module housing, in module housing, guiding movement is equipped with lock pin along the longitudinal direction, the front end of lock pin is passed by the front side of described front module housing, be provided with between lock pin and rear module housing and apply forward to the spring of acting force to lock pin, front module housing coordinates with lock pin block and moves the limit forward to limit lock pin, the rear end of module housing is provided with and crimps fixing rear cover for coordinating with pressure welding case to the reinforcement in optical cable.
Lock pin comprises lock pin body and coordinates lock pin flange with module housing guiding movement, and lock pin flange guiding movement is assemblied on the front module housing of module housing.
Module housing is arranged for realizing the module fixture block be fixedly connected with the draw-in groove on front connector housing.
Front module housing is connected by fixture block, notch with rear module housing.
In the present invention, the technical scheme of the joints of optical fibre is:
The joints of optical fibre, comprise front connector housing, rear connector shell and pressure welding case, also comprise light contact element module, before light contact element module comprises and being arranged at, module housing in rear connector shell, the front module housing arranged before and after module housing comprises and rear module housing, in module housing, guiding movement is equipped with lock pin along the longitudinal direction, the front end of lock pin is passed by the front side of described front module housing, be provided with between lock pin and rear module housing and apply forward to the spring of acting force to lock pin, front module housing coordinates with lock pin block and moves the limit forward to limit lock pin, the rear end of module housing is provided with rear cover, it is peripheral to coordinate with rear overlap and crimp the reinforcement in optical cable and fix that pressure welding case is arranged at rear cover.
Rear cover and pressure welding case are all in the inside of described rear connection housing.
Described pressure welding case is pre-large post-small multidiameter structure, the large footpath section of pressure welding case is sheathed on rear cover periphery, the joints of optical fibre also comprise the support set be arranged in the path section of pressure welding case, and the path section of pressure welding case coordinates with support set and crimps the cable skin of optical cable and described reinforcement fixing.
Lock pin comprises lock pin body and coordinates lock pin flange with module housing guiding movement, and lock pin flange guiding movement is assemblied on the front module housing of module housing.
Module housing is arranged for realizing the module fixture block be fixedly connected with the draw-in groove on front connector housing.
Front module housing is connected by fixture block, notch with rear module housing.
Beneficial effect of the present invention is: lock pin, spring and forward and backward module housing can fit together in advance and form a Knockdown block, put after the reinforcement of optical cable being crimped on module housing rear end by pressure welding case, and then Knockdown block is assembled in front connector housing, rear connector shell together with pressure welding case, do not need forward and backward connector shell to assemble during reinforcement crimping, facilitate operation; Modular design industry is conducive to simplifying assembly process simultaneously.
Further, rear cover and pressure welding case are all in rear connector shell, effectively make use of the space of rear connector shell, significantly can reduce the entire length of the joints of optical fibre.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art in the present invention;
Fig. 2 is the cooperation schematic diagram of front connector housing in Fig. 1, rear connector shell, lock pin, spring and supporting sleeve;
Fig. 3 is the structural representation of the embodiment 1 of the joints of optical fibre in the present invention;
Fig. 4 is the exploded view of Fig. 3;
Fig. 5 be in Fig. 3 light contact element module and optical cable coordinate schematic diagram;
Fig. 6 is the exploded view of Fig. 5;
Fig. 7 is the cut-open view of Fig. 5;
Fig. 8 be in Fig. 3 light contact element module and forward and backward connector shell coordinate schematic diagram;
Fig. 9 is the structural representation of lock pin in Fig. 3;
Figure 10 be embodiment 1 and the existing fiber connector of the joints of optical fibre in the present invention compare schematic diagram;
Figure 11 be in the embodiment 2 of the joints of optical fibre in the present invention after module housing and rear cover coordinate schematic diagram;
Figure 12 be in the embodiment 2 of the joints of optical fibre in the present invention after connector shell and cable jacket coordinate schematic diagram;
Figure 13 is the structural representation of lock pin in the embodiment 2 of the joints of optical fibre in the present invention;
Figure 14 is the structural representation of light contact element module in the embodiment of the joints of optical fibre in the present invention.
Embodiment
The embodiment 1 of the joints of optical fibre is as shown in Fig. 3 ~ 10: the joints of optical fibre in the present embodiment are the LC joints of optical fibre, comprise front connector housing 1 and rear connector shell 2, before, rear connector shell is square set structure, the rear end arranged outside of front connector housing 1 has front connection housing fixture block 12, front connector housing 1 offers rear end and extend to the elongated slot 5 extended along the longitudinal direction on front connector housing rear end face, by the setting of this elongated slot, make front connector fixture block can with front connector housing perpendicular to fore-and-aft direction resilient movement, rear connector shell 2 is provided with rear connector shell draw-in groove 6, after during use, connector shell 2 is set in front connector housing 1 rear end, before front connector housing fixture block 12 snaps into and realizes in rear connector shell draw-in groove 6, rear connector shell relatively fixing.The joints of optical fibre also comprise light contact element module 15, before light contact element module comprises and being arranged at, module housing in rear connector shell, the front module housing 10 arranged before and after module housing comprises and rear module housing 9, front module housing 10 comprises the baffle plate 10-1 that thickness of slab extends along the longitudinal direction, baffle plate 10-1 is provided with the locating sleeve 10-2 overhang backwards, locating sleeve 10-2 is provided with locating sleeve grab 10-3, rear module housing 15 is provided with the module draw-in groove for coordinating with locating sleeve grab 10-3, be assemblied on rear module housing by locating sleeve grab with the front module housing that coordinates of module draw-in groove, in module case, guiding movement is equipped with lock pin 11 along the longitudinal direction, the front end of lock pin is passed by the front side of front module housing, be provided with between lock pin and rear module housing and apply forward to the spring 16 of acting force to lock pin, lock pin comprises lock pin body 11-1 and is arranged at the hexagonal lock pin flange 11-2 on lock pin body 11-1, the steric direction that lock pin flange 11-2 and the locating sleeve 10-2 of front module housing surround moves and coordinates, front module housing coordinates with lock pin flange block and limits lock pin and moves the limit forward.
The rear end of rear module housing 15 has been wholely set rear cover 18, the pressure welding case 7 that the axis that the joints of optical fibre also comprise multidiameter structure extends along the longitudinal direction, rear cover 18 and pressure welding case 7 are all in the endoporus of rear connector shell, the large footpath section 7-1 of pressure welding case is sheathed on rear cover 18, support set 19 is provided with in the path section 7-2 of pressure welding case, during use, the cable sheath of optical cable 4 and reinforcement (such as aramid fiber) are arranged in support set 19 with the path section 7-2 of pressure welding case, by the path section distortion of pressure welding case, cable sheath and reinforcement are fixed, and the front end of reinforcement is arranged in the large footpath section of rear cover and pressure welding case, carry out secondary by the large footpath section distortion of pressure welding case to reinforcement to fix, the path section 7-2 distortion of pressure welding case is mainly fixed cable sheath, cable sheath and reinforcement separate fixing, because the thinner thickness of reinforcement, if fixed cable sheath and reinforcement by place's pressure welding case distortion simultaneously, reinforcement cannot ensure fixed.Module housing is provided with the module fixture block 17 for being fixedly connected with the draw-in groove on front connector housing.The tail end of rear connector shell 2 is provided with cable jacket 3, the front end of cable jacket 3 has and turns edge 14 with the square of the endoporus adaptation of rear connector shell 2, it is peripheral and be crimped cover block and can not move forward that the front end sleeve of cable jacket 3 is located at the path section of pressure welding case, is provided with the square gear edge coordinated with the square block that turns edge to limit cable jacket movement backwards in the endoporus of rear connector shell.
During use, under first online by lock pin and spring assembling to front, in rear module housing, form a Knockdown block, then with coordinating of support set, cable sheath and reinforcement are fixed with rear cover by pressure welding case, crimping is used for enough operating spaces, assembly process is also comparatively simple, the module fixture block on rear module housing is made to snap in the draw-in groove on front connector housing subsequently, again by front, rear connector shell connects the assembling just achieving the whole joints of optical fibre, pressure welding case is in the rear side being not in rear connector shell in rear connector shell, as shown in Figure 10, the joints of optical fibre 22 after improvement are compared with existing fiber connector 21, the entire length of the joints of optical fibre can be effectively reduced, joints of optical fibre length after improvement can be optimized to 30 ~ 35mm.
In other embodiment of these joints of optical fibre: support set can not also be established, now pressure welding case can be wait gauge structure, and reinforcement and cable sheath can all be crimped between pressure welding case and rear cover; Lock pin also can be assemblied in rear module housing by guiding movement; Forward and backward module housing can also be connected by screw; Module housing also can realize fixing by being connected with rear connector shell, or the direct sandwiched of module housing is fixed between forward and backward connector shell; The joints of optical fibre can also be the joints of optical fibre of DLC or other type.
The embodiment 2 of the joints of optical fibre is as shown in Figure 11 ~ 14: embodiment 2 as different from Example 1: the lock pin flange 11-2 of lock pin is tetragonal structure, the endoporus of the locating sleeve 10-2 of front module housing is the square opening with lock pin flange adaptation, rear cover 8 is arranged with the split of rear module housing 15, rear cover is made up of metal material, rear cover insert is on rear module housing, and cable jacket 3 and rear connector shell 2 are wholely set.In figure, 11-1 represents lock pin body.Lock pin flange take quadrilateral structure be because the shape limit number coordinated when both more hour, can measure less to angle of rotation by maximal phase between the two, so the measure reducing amount of spin between lock pin flange and front module housing be reduce both the limit number of cooperation place cross sectional shape, limit number is more, precision is more difficult to ensure card, and tolerance clearance just may be larger.In other embodiment of the joints of optical fibre, the cross sectional shape of lock pin can also be triangle.
The embodiment of optical fiber contact module is as shown in Fig. 3 ~ 14: the embodiment of optical fiber contact module is identical with the optical fiber contact module described in above-mentioned each joints of optical fibre embodiment, is not described in detail in this.
Claims (10)
1. smooth contact element module, it is characterized in that: comprise for be arranged at corresponding before, module housing in rear connector shell, the front module housing arranged before and after module housing comprises and rear module housing, in module housing, guiding movement is equipped with lock pin along the longitudinal direction, the front end of lock pin is passed by the front side of described front module housing, be provided with between lock pin and rear module housing and apply forward to the spring of acting force to lock pin, front module housing coordinates with lock pin block and moves the limit forward to limit lock pin, the rear end of module housing is provided with and crimps fixing rear cover for coordinating with pressure welding case to the reinforcement in optical cable.
2. smooth contact element module according to claim 1, is characterized in that: lock pin comprises lock pin body and coordinates lock pin flange with module housing guiding movement, and lock pin flange guiding movement is assemblied on the front module housing of module housing.
3. smooth contact element module according to claim 1, is characterized in that: module housing is arranged for realizing the module fixture block be fixedly connected with the draw-in groove on front connector housing.
4. the light contact element module according to claim 1 ~ 3 any one, is characterized in that: front module housing is connected by fixture block, notch with rear module housing.
5. the joints of optical fibre, comprise front connector housing, rear connector shell and pressure welding case, it is characterized in that: also comprise light contact element module, before light contact element module comprises and being arranged at, module housing in rear connector shell, the front module housing arranged before and after module housing comprises and rear module housing, in module housing, guiding movement is equipped with lock pin along the longitudinal direction, the front end of lock pin is passed by the front side of described front module housing, be provided with between lock pin and rear module housing and apply forward to the spring of acting force to lock pin, front module housing coordinates with lock pin block and moves the limit forward to limit lock pin, the rear end of module housing is provided with rear cover, it is peripheral to coordinate with rear overlap and crimp the reinforcement in optical cable and fix that pressure welding case is arranged at rear cover.
6. the joints of optical fibre according to claim 5, is characterized in that: rear cover and pressure welding case are all in the inside of described rear connection housing.
7. the joints of optical fibre according to claim 6, it is characterized in that: described pressure welding case is pre-large post-small multidiameter structure, the large footpath section of pressure welding case is sheathed on rear cover periphery, the joints of optical fibre also comprise the support set be arranged in the path section of pressure welding case, and the path section of pressure welding case coordinates with support set and crimps the cable skin of optical cable and described reinforcement fixing.
8. the joints of optical fibre according to claim 5, is characterized in that: lock pin comprises lock pin body and coordinates lock pin flange with module housing guiding movement, and lock pin flange guiding movement is assemblied on the front module housing of module housing.
9. the joints of optical fibre according to claim 5, is characterized in that: module housing is arranged for realizing the module fixture block be fixedly connected with the draw-in groove on front connector housing.
10. the joints of optical fibre according to claim 5 ~ 9 any one, is characterized in that: front module housing is connected by fixture block, notch with rear module housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510986570.7A CN105403959A (en) | 2015-09-29 | 2015-12-26 | Optical contact piece module and fiber connector using the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015106303290 | 2015-09-29 | ||
| CN201510630329 | 2015-09-29 | ||
| CN201510986570.7A CN105403959A (en) | 2015-09-29 | 2015-12-26 | Optical contact piece module and fiber connector using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105403959A true CN105403959A (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510986570.7A Pending CN105403959A (en) | 2015-09-29 | 2015-12-26 | Optical contact piece module and fiber connector using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105403959A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383382A (en) * | 2016-08-31 | 2017-02-08 | 中航光电科技股份有限公司 | Fiber contact piece and connector using fiber contact piece |
| WO2019114035A1 (en) * | 2017-12-13 | 2019-06-20 | 深圳市飞博康光通讯技术有限公司 | Optical fiber connector |
| CN110609360A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Optical fiber connector and optical fiber contact element thereof |
| CN114355518A (en) * | 2022-03-10 | 2022-04-15 | 深圳市易兴泰科技有限公司 | Passive optical modem fiber access device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4735480A (en) * | 1985-11-20 | 1988-04-05 | Raychem Corp. | Optical fiber connector |
| US20020094170A1 (en) * | 2001-01-12 | 2002-07-18 | Mao-Hsiang Chen | Optical fiber connecter |
| CN102385115A (en) * | 2010-09-06 | 2012-03-21 | 株式会社精工技研 | Optical connector plug |
| CN102385118A (en) * | 2011-10-27 | 2012-03-21 | 中航光电科技股份有限公司 | Optical fiber connector and adaptor thereof |
| CN103399379A (en) * | 2013-08-15 | 2013-11-20 | 上海航天科工电器研究院有限公司 | Reinforced multicore optical fiber contact element |
-
2015
- 2015-12-26 CN CN201510986570.7A patent/CN105403959A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4735480A (en) * | 1985-11-20 | 1988-04-05 | Raychem Corp. | Optical fiber connector |
| US20020094170A1 (en) * | 2001-01-12 | 2002-07-18 | Mao-Hsiang Chen | Optical fiber connecter |
| CN102385115A (en) * | 2010-09-06 | 2012-03-21 | 株式会社精工技研 | Optical connector plug |
| CN102385118A (en) * | 2011-10-27 | 2012-03-21 | 中航光电科技股份有限公司 | Optical fiber connector and adaptor thereof |
| CN103399379A (en) * | 2013-08-15 | 2013-11-20 | 上海航天科工电器研究院有限公司 | Reinforced multicore optical fiber contact element |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383382A (en) * | 2016-08-31 | 2017-02-08 | 中航光电科技股份有限公司 | Fiber contact piece and connector using fiber contact piece |
| WO2019114035A1 (en) * | 2017-12-13 | 2019-06-20 | 深圳市飞博康光通讯技术有限公司 | Optical fiber connector |
| CN110609360A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Optical fiber connector and optical fiber contact element thereof |
| CN114355518A (en) * | 2022-03-10 | 2022-04-15 | 深圳市易兴泰科技有限公司 | Passive optical modem fiber access device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20160316 |