CN202393946U - Optical fiber adapter - Google Patents
Optical fiber adapter Download PDFInfo
- Publication number
- CN202393946U CN202393946U CN2012200126398U CN201220012639U CN202393946U CN 202393946 U CN202393946 U CN 202393946U CN 2012200126398 U CN2012200126398 U CN 2012200126398U CN 201220012639 U CN201220012639 U CN 201220012639U CN 202393946 U CN202393946 U CN 202393946U
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- main body
- lining main
- optical fiber
- fiber adapter
- insertion end
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Abstract
The utility model discloses an optical fiber adapter. The optical fiber adapter is used for connecting an optical fiber plug. An opening is formed in a shell of the optical fiber adapter; a collimation casing pipe is contained in a lining sleeve and is arranged in the opening; the collimation casing pipe is externally sealed by using a cover plate; an inserting end is provided with more than one optical fiber plug jack; and a positioning groove and a locking groove are arranged by being matched with each jack, so that the width of each optical fiber plug jack is reduced within a range of 2.5-4.5 mm, and the distance between the adjacent jacks is reduced within a range of 3-5 mm. The optical fiber adapter has the advantages of more compact size, simple structure of an entire body and convenience in assembling. The optical fiber adapter has no need of ultrasonic welding, can reduce production cost and be matched with the high-density optical fiber plug, and obviously improves the density of optical fiber connection.
Description
Technical field
The utility model relates to the physical connection field of optical communication, more particularly, relates to a kind of fiber adapter.
Background technology
Fiber adapter is a joints of optical fibre centering link, is used to admit one or more pairs of joints of optical fibre, and the paired joints of optical fibre are coupled in fiber adapter, realizes continuing of light path.
Existing fiber adapter generally comprises two and half housings, during assembling, earlier ceramic collimation sleeve pipe is encased in half housing, adopts the mode of ultra-sonic welded to weld together two and half housings then.Owing to adopt ultra-sonic welded, need to cooperate special ultrasonic welding system, production cost is higher; On the other hand, the joints of optical fibre commonly used at present can be divided into by connector version: various forms such as FC, SC, ST, LC, D4, DIN, MU, MT, and the width of each jack of adapter that it is corresponding is bigger; Influence corresponding packing density; As LC connector the most commonly used, its adapter jack width is 4.5mm, when the Connection Density of optical fiber improves; Existing fiber adapter is because the restriction of self structure is difficult to adapt to the requirement that high-density optical-fiber connects.
The utility model content
The purpose of the utility model is to address the above problem, and a kind of fiber adapter is provided, and it has compact dimensions, simple in structure, the advantage that is easy to assemble, can adapt to the requirement that high-density optical-fiber connects.
The purpose of the utility model is to realize through following technical scheme:
A kind of fiber adapter; Be used for the connection of Optical fiber plug; Its housing 1 two ends have first insertion end 2 and second insertion end 3 that is used to admit Optical fiber plug, and the neck bush that contains collimation sleeve pipe 4 is inserted in the housing 1 through the opening 5 at housing middle part, and the outside cover plate 6 that adopts seals; Said first insertion end 2 and/or second insertion end 3 have an above Optical fiber plug jack, and said jack width is 2.5 to 4.5mm, and adjacent jack spacing is 3-5mm.
Further; Corresponding each the Optical fiber plug jack of the bottom outer surface of said first insertion end 2 and said second insertion end 3 is respectively equipped with the first guide-localization groove 201,301 that cooperates with Optical fiber plug, and corresponding each the Optical fiber plug jack of the medial surface at the top of said first insertion end 2 and second insertion end 3 is provided with the second guide-localization groove 202,302 that cooperates with Optical fiber plug.
Special, corresponding each the Optical fiber plug jack in the top of said first insertion end 2 and said second insertion end 3 is respectively equipped with the lock slots 7 that matches with Optical fiber plug.
Further, said housing 1 is provided with the shell fragment 8 and blocked ear 9 that is used to cooperate the baffle plate installation.
Select as another kind, also can adopt step 18 to cooperate shell fragment 8 that said housing 1 is installed on baffle plate.Said shell fragment 8 can process with housing 1 one, can also be the additional metal clips of installing; Said blocked ear 9 is positioned at any side of housing.Can also screw hole 17 be set on blocked ear 9, be used for of the further reinforcement connection of this adapter with baffle plate.
Further, said cover plate 6 and said opening 5 interference fit.
Special; Said neck bush comprises lining main body 1, lining main body 2 200; Lining main body 1, lining main body 2 200 all mainly are made up of substrate 10 and at least one cylindrical portion 11 of being arranged on substrate 10 1 sides; Said lining main body 1 is fitted fixing with the another side of the substrate 10 of lining main body 2 200; The cylindrical portion 11 paired coaxial settings of lining main body 1, lining main body 2 200, and each cylindrical portion 11 inner wall at end is equipped with convex edge 15, the paired cylindrical portion 11 of said lining main body 1, lining main body 2 200 forms the cylindrical cavity that two ends are provided with convex edge 15.
Special, said opening 5 places are respectively equipped with the slot 16 that supplies said neck bush to insert on the relative two side, and the substrate 10 of lining main body 1, the lining main body 2 200 back dual-sides of fitting insert in the said slot 16.
Further, correspondingly on the face of substrate 10 relative sides of said lining main body 1, lining main body 2 200 many groups are set work in coordination and insert solid pilot hole 14 and reference columns 13, said reference column 13 is interference fit or transition fit with pilot hole 14.
Preferably, said cylindrical portion 11 is vertically set on substrate 10 1 sides.
Preferably, said pilot hole 14 lays respectively on lining main body 1 and the lining main body 2 200 with reference column 13.
Preferably, said lining main body 1 has identical structure with lining main body 2 200, can be formed by a kind of Mould Machining.
Further, when substrate 10 is provided with two or more cylindrical portion 11, be provided with the muscle rib 12 that said adjacent cylindrical portion 11 is connected as a single entity between the adjacent cylindrical portion 11 on the substrate 10.
The described fiber adapter of the utility model is provided with opening on housing, accommodate the collimation sleeve pipe through neck bush; And place in the opening the outside cover closure that adopts, the locating slot and the lock slots that cooperate each jack to be provided with; Can be 2.5 to 4.5mm with each Optical fiber plug jack reduced width, adjacent jack spacing be 3 to 5mm, and size is compact more; One-piece construction is simple, easy to assembly simultaneously, no longer needs ultra-sonic welded; Can reduce production costs, can cooperate the high-density optical-fiber plug, significantly improve the density that optical fiber connects.
Description of drawings
According to accompanying drawing and embodiment the utility model is done further explain below.
Fig. 1, Fig. 2 are the structural representation of the utility model embodiment one said adjacent jack spacing four-core fiber adapter that is 3mm;
Fig. 3 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment one said four-core fiber adapter;
Fig. 4, Fig. 5 are the structural representation of the utility model embodiment two said adjacent jack spacings four-core fiber adapter that is 5mm;
Fig. 6 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment two said four-core fiber adapter;
Fig. 7 is the structural representation of embodiment three said two core fibre adapters;
Fig. 8 is the structural representation of embodiment four said integral fibre-optic adapters;
Fig. 9 is the decomposing schematic representation of embodiment one said neck bush;
Figure 10 is the cut-open view of embodiment one said neck bush;
Figure 11, Figure 12 are the structural representations of the lining main body of embodiment one said neck bush;
Among the figure:
1, housing; 2, first insertion end; 3, second insertion end; 4, collimation sleeve pipe; 5, opening; 6, cover plate; 7, lock slots; 8, shell fragment; 9, blocked ear; 10, substrate; 11, cylindrical portion; 12, muscle rib; 13, reference column; 14, pilot hole; 15, convex edge; 16, slot; 17, screw hole; 18, step;
100, the lining main body one; 200, the lining main body two;
201,301, the first guide-localization groove; 202,302, the second guide-localization groove.
Embodiment
Embodiment one:
Shown in Fig. 1 to 3; The concrete structure of the four-core fiber adapter that to have provided a kind of adjacent jack spacing be 3mm; This fiber adapter is used for the connection of Optical fiber plug, and its housing 1 two ends have first insertion end 2 and second insertion end 3 that is used to admit Optical fiber plug, and the neck bush that contains collimation sleeve pipe 4 is inserted in the housing 1 through the opening 5 at housing middle part; The outside cover plate 6 that adopts seals; First insertion end 2 and/or second insertion end 3 respectively have four Optical fiber plug jacks, and each jack width is 2.5 to 4.5mm, and adjacent jack spacing is 3mm.
Optical fiber plug is inserted into first insertion end 2 and second insertion end 3 from two ends respectively, and coupling in the collimation sleeve pipe 4 in housing 1, realizes continuing of light path.
The middle part of housing 1 is provided with an opening 5; Contain neck bush in the opening 5, shown in Fig. 9 and 12, said neck bush comprises two lining main bodys; Be respectively lining main body 1 and lining main body 2 200; Lining main body 1 and lining main body 2 200 all mainly are made up of substrate 10 and the cylindrical portion 11 that is arranged on substrate 10 1 sides, and neck bush is used for the connection of four pairs of Optical fiber plugs in the present embodiment, so be equipped with four cylindrical portion 11 on the substrate 10 of lining main body 1 and lining main body 2 200; Said lining main body 1 is fitted fixing with the substrate 10 of lining main body 2 200; The cylindrical portion 11 paired coaxial settings in lining main body 1, lining main body 2 200 outsides, and cylindrical portion 11 inner wall at end are equipped with convex edge 15, paired cylindrical portion 11 formation one cylindrical cavity of lining main body 1, lining main body 2 200; Be used to place the butt joint that ceramic collimation sleeve pipe 4 is accomplished Optical fiber plug, the convex edge 15 at said cylindrical cavity two ends is used to install ceramic collimation sleeve pipe 4.
In the enforcement, said cylindrical portion 11 is vertically set on substrate 10 1 sides.
In the enforcement, for the intensity that strengthens lining main body 1 and lining main body 2 200 and make things convenient for die sinking, be provided with the muscle rib 12 that said adjacent cylindrical portion 11 is connected as a single entity between the adjacent cylindrical portion 11.
In the enforcement; For the cylindrical portion 11 coaxial settings that guarantee main body 1 and lining main body 2 200 and being linked and packed between the two; Referring to Figure 11, Figure 12; On the substrate 10 of lining main body 1 and lining main body 2 200, be provided with pilot hole 14; And the opposite side that cylindrical portion 11 is set at substrate 10 is provided with reference column 13, and the reference column 13 on the pilot hole 14 on the substrate 10 of said lining main body 1 and the substrate 10 of lining main body 2 200 is oppositely arranged, and is interference fit or transition fit; Through guaranteeing reference column 13 and cooperating of pilot hole 14 the coaxial setting of cylindrical portion 11, also accomplished lining main body 1 and be fixedly connected with substrate 10 applyings of lining main body 2 200.
In the enforcement; Can only be provided with pilot hole 14 on the substrate 10 of lining main body 1, can only be provided with reference column 13 on the substrate 10 of lining main body 2 200, both are provided with in corresponding pairing; Also can be opposite; Can only be provided with reference column 13 on the substrate 10 of lining main body 1, can only be provided with pilot hole 14 on the substrate 10 of lining main body 2 200, the logarithm of pilot hole 14 and reference column 13 can be chosen as required.
Further; In order to save production cost; Lining main body 1 is designed to identical structure with lining main body 2 200; Reference column 13 on the substrate 10 of lining main body 1 or lining main body 2 200 is symmetrically distributed with pilot hole 14, and this structure only need be opened a set of modules can produce use, has greatly reduced production cost.
The opening 5 of housing 1 is stamped cover plate 6, and cover plate 6 and opening 5 interference fit during assembling, directly are pressed in opening 5 places with instrument with cover plate 6 and get final product, owing to do not need ultra-sonic welded, can reduce assembly process, reduces production costs.
In the enforcement; The substrate 10 edge plug-in cards of lining main body 1 and lining main body 2 200 are in fiber adapter housing slot; Further stationary bushing main body 1 and lining main body 2 200 time; Also with the neck bush overall fixed in fiber adapter, neck bush integral body is in a side is inserted the fiber adapter housing, and through cover plate 6 sealings.
In the present embodiment, neck bush is fixing for ease, and said opening 5 places are respectively equipped with the slot 16 that supplies said neck bush to insert on the relative two side, and the substrate 10 of lining main body 1, the lining main body 2 200 back dual-sides of fitting insert in the said slot 16.Further, have the kerve of the bottom side insertion of the substrate 10 that supplies neck bush in housing 1 and opening 5 corresponding bottoms, neck bush can be fixed in the housing 1 easily like this; Further, the lower surface of cover plate 6 extends two baffle plates downwards, forms the inverted draw cut of the upper side edge of accommodating neck bush substrate 10 between two baffle plates, and cover plate 6 covered in 5 last times of opening, and the upper side edge of base portion 10 is inserted in the inverted draw cut.
In order to cooperate Optical fiber plug; When inserting, play location and guide effect; Corresponding each the Optical fiber plug jack of the bottom outer surface of first insertion end 2 and said second insertion end 3 is respectively equipped with the first guide-localization groove 201,301 that cooperates with Optical fiber plug; Corresponding each the Optical fiber plug jack of the medial surface at the top of said first insertion end 2 and second insertion end 3 is provided with the second guide-localization groove 202,302 that cooperates with Optical fiber plug; Even do not have dividing plate between the adjacent like this jack, also can guarantee the guiding and the location of each Optical fiber plug.
Special, the top of said first insertion end 2 and said second insertion end 3 is respectively equipped with the lock slots 7 that matches with Optical fiber plug, when treating that Optical fiber plug inserts, can play the effect of respective fixation locking.
Simultaneously, this fiber adapter is installed on the baffle plate for ease, and shell fragment 8 and blocked ear 9 are set on housing 1 accordingly, and blocked ear 9 can be positioned at any side of housing according to the requirement of installation site; For further increasing the steadiness of installing, corresponding blocked ear 9 is provided with screw hole 17, can when clamping, further be fastenedly connected with baffle plate with screw.
Embodiment two:
As shown in Figs. 4-6, the concrete structure of the four-core fiber adapter that to have provided a kind of adjacent jack spacing be 5mm is than embodiment 1; Spacing between its adjacent jack is 5mm; Each jack width is 2.5 to 4.5mm, between adjacent jack, has increased dividing plate as support, has strengthened the intensity of housing; Produce for convenient, said shell fragment 8 adopts the additional metal clips of installing; The form in blocked ear 9 screwing holes 17 is the Long Circle breach.Blocked ear 9 is arranged at the top of adapter simultaneously, and neck bush is packed into from a side, and both sides do not take the installation site, can further increase the horizontal packing density of the joints of optical fibre.
Embodiment three:
As shown in Figure 7, provided a kind of concrete structure of two core fibre adapters, its blocked ear 9 is corresponding shorter, and screw hole is not set; Between the adjacent slot of insertion end, also cancelled corresponding dividing plate, the jack width can be designed to 2.5 to 4.5mm, and adjacent jack spacing is designed to 3-5mm as required.Can satisfy different packing densities.
Embodiment four:
As shown in Figure 8, provided a kind of concrete structure of integral fibre-optic adapter, it adopts step 18 to replace blocked ears, also can cooperate with shell fragment 8 to be installed on the baffle plate, and in the present embodiment simultaneously, shell fragment 8 and housing are one-body molded, can further reduce production costs.
Above-mentioned explanation is specifying to the feasible embodiment of the utility model; And this embodiment is not the claim in order to restriction the utility model; Allly do not break away from the equivalence that the utility model technical spirit done and implement or change, all should be contained in the claim that the application asks for protection.
Claims (16)
1. fiber adapter; Be used for the connection of Optical fiber plug; Its housing (1) two ends have first insertion end (2) and second insertion end (3) that is used to admit Optical fiber plug; It is characterized in that the neck bush that contains collimation sleeve pipe (4) is inserted in the housing (1) through the opening (5) at housing middle part, the outside cover plate (6) that adopts seals; Said first insertion end (2) and/or second insertion end (3) have an above Optical fiber plug jack, and said jack width is 2.5 to 4.5mm, and adjacent jack spacing is 3-5mm.
2. fiber adapter according to claim 1; It is characterized in that; Corresponding each the Optical fiber plug jack of the bottom outer surface of said first insertion end (2) and said second insertion end (3) is respectively equipped with the first guide-localization groove (201,301) that cooperates with Optical fiber plug, and corresponding each the Optical fiber plug jack of the medial surface at the top of said first insertion end (2) and second insertion end (3) is provided with the second guide-localization groove (202,302) that cooperates with Optical fiber plug.
3. fiber adapter according to claim 1 is characterized in that, corresponding each the Optical fiber plug jack in the top of said first insertion end (2) and said second insertion end (3) is respectively equipped with the lock slots (7) that matches with Optical fiber plug.
4. fiber adapter according to claim 1 is characterized in that, said housing (1) is provided with shell fragment (8) and the blocked ear (9) that is used to cooperate the baffle plate installation.
5. fiber adapter according to claim 1 is characterized in that, said housing (1) is provided with shell fragment (8) and the step (18) that is used to cooperate the baffle plate installation.
6. fiber adapter according to claim 1; It is characterized in that; Said neck bush comprises lining main body one (100), lining main body two (200); Lining main body one (100), lining main body two (200) all mainly are made up of substrate (10) and at least one cylindrical portion (11) of being arranged on substrate (10) one sides; Said lining main body one (100) is fitted fixing with the another side of the substrate (10) of lining main body two (200); The paired coaxial setting of cylindrical portion (11) of lining main body one (100), lining main body two (200), and each cylindrical portion (11) inner wall at end is equipped with convex edge (15), the paired cylindrical portion (11) of said lining main body one (100), lining main body two (200) forms the cylindrical cavity that two ends are provided with convex edge (15).
7. fiber adapter according to claim 6; It is characterized in that; Said opening (5) locates to be respectively equipped with on the relative two side slot (16) that supplies said neck bush to insert, and dual-side inserted in the said slot (16) after the substrate (10) of lining main body one (100), lining main body two (200) was fitted.
8. fiber adapter according to claim 6; It is characterized in that; Correspondingly on the face of the relative side of substrate (10) of said lining main body one (100), lining main body two (200) many groups are set work in coordination and insert solid pilot hole (14) and reference columns (13), said reference column (13) and pilot hole (14) are interference fit or transition fit.
9. fiber adapter according to claim 6 is characterized in that, said cylindrical portion (11) is vertically set on substrate (10) one sides.
10. fiber adapter according to claim 6 is characterized in that, said pilot hole (14) and reference column (13) lay respectively on lining main body one (100) and the lining main body two (200).
11. fiber adapter according to claim 6 is characterized in that, said lining main body one (100) has identical structure with lining main body two (200), can be formed by a kind of Mould Machining.
12. fiber adapter according to claim 6; It is characterized in that; When substrate (10) was provided with two or more cylindrical portion (11), substrate (10) was gone up between the adjacent cylindrical portion (11) and is provided with the muscle rib (12) that said adjacent cylindrical portion (11) is connected as a single entity.
13., it is characterized in that said shell fragment (8) is the additional metal clips of installing according to claim 4 or 5 described any fiber adapter.
14. fiber adapter according to claim 4 is characterized in that, said blocked ear (9) is positioned at any side of housing.
15. fiber adapter according to claim 14 is characterized in that, said blocked ear (9) is provided with screw hole (17).
16., it is characterized in that said cover plate (6) and said opening (5) interference fit according to described any fiber adapter of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200126398U CN202393946U (en) | 2012-01-11 | 2012-01-11 | Optical fiber adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200126398U CN202393946U (en) | 2012-01-11 | 2012-01-11 | Optical fiber adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393946U true CN202393946U (en) | 2012-08-22 |
Family
ID=46668860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200126398U Expired - Fee Related CN202393946U (en) | 2012-01-11 | 2012-01-11 | Optical fiber adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133642A1 (en) * | 2016-02-01 | 2017-08-10 | 光联通讯技术有限公司 | Optical fiber adapter |
-
2012
- 2012-01-11 CN CN2012200126398U patent/CN202393946U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133642A1 (en) * | 2016-02-01 | 2017-08-10 | 光联通讯技术有限公司 | Optical fiber adapter |
| TWI703360B (en) * | 2016-02-01 | 2020-09-01 | 美商光聯通訊有限公司 | Fiber optic adapter |
| US11493697B2 (en) | 2016-02-01 | 2022-11-08 | Molex, Llc | Optical fiber adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120822 Termination date: 20190111 |