CN202166761U - Double-core optical fiber plug - Google Patents
Double-core optical fiber plug Download PDFInfo
- Publication number
- CN202166761U CN202166761U CN2011202622260U CN201120262226U CN202166761U CN 202166761 U CN202166761 U CN 202166761U CN 2011202622260 U CN2011202622260 U CN 2011202622260U CN 201120262226 U CN201120262226 U CN 201120262226U CN 202166761 U CN202166761 U CN 202166761U
- Authority
- CN
- China
- Prior art keywords
- twin
- fiber plug
- back cover
- optical fiber
- core fiber
- 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.)
- Expired - Fee Related
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 37
- 239000000835 fiber Substances 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 9
- 101100483030 Salmonella phage ViI tail sheath gene Proteins 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
Images
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
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
- G02B6/3879—Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector 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
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3893—Push-pull type, e.g. snap-in, push-on
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model relates to a double-core optical fiber plug which comprises a back shell, wherein two parallel splicing parts are arranged at the front end of the back shell; two parallel passageways into which optical fibers penetrates are arranged in the back shell; the passageways are extended from the front ends of the splicing parts to the tail end of the back shell; each splicing part is sheathed with a front shell; a receiving cavity into which the splicing part is inserted is arranged at the tail end of each front shell; and a core inserting component is arranged at the front end of the front shell. In the double-core optical fiber plug disclosed by the utility model, as the back shell adopts a single part, the strength of the optical fiber plug is increased, and the physical dimension of the optical fiber plug is reduced; and the two front shells are arranged at the front end of the back shell so that the optical fiber plug is convenient to assemble.
Description
Technical field
The utility model relates to Optical fiber plug, more particularly, relates to a kind of twin-core fiber plug.
Background technology
Existing twin-core fiber plug, its structure all are through a connection box cover, with two arranged side by side being fixed in the connection box cover of single-core fiber header body, have formed the application of twin-core.This twin-core fiber plug is suitable for for the application scenario that low-density optical fiber connects; And the small number that connects of optical fiber in unit volume, but it can't satisfy the application that highdensity optical fiber connects, this be because; In order to guarantee the intensity of twin-core fiber plug; The connection box cover has certain thickness, has increased the overall dimensions of Optical fiber plug, makes this twin-core fiber plug be difficult to adapt to the application that highdensity optical fiber connects.And since the existence of connection box cover, the influence that also can bring inconvenient operation.
The utility model content
The technical matters that the utility model will solve is, the above-mentioned defective to the twin-core fiber plug of prior art provides a kind of twin-core fiber plug, and the volume of this twin-core fiber plug is little, and intensity is high, can satisfy the needs that high-density optical-fiber connects.
The utility model solves the technical scheme that its technical matters adopted: construct a kind of twin-core fiber plug; Comprise a back cover; The front end of said back cover has two parallel Plug Divisions; Be provided with the passage that two parallel confession optical fiber penetrate in the said back cover, said passage is extended to the tail end of said back cover by the front end of said Plug Division; Fore shell of each said Plug Division socket, the tail end of each fore shell have the receiving compartment that supplies said Plug Division to insert, and the front end of each said fore shell is provided with ferrule assembly.
In the described twin-core fiber plug of the utility model, said fore shell and said Plug Division removably connect.
In the described twin-core fiber plug of the utility model, the periphery of said Plug Division is provided with back-off, and the inwall of the receiving compartment of said fore shell is provided with the button bit adaptive with said back-off.
In the described twin-core fiber plug of the utility model, said ferrule assembly comprises the lock pin tailstock, is arranged on the ceramic insertion core on the lock pin tailstock, and is enclosed within the volute spring on the optical fiber.
In the described twin-core fiber plug of the utility model, the tail end of said back cover has two metal caudal peduncles that when the back cover injection mo(u)lding, are embedded in the back cover.
In the described twin-core fiber plug of the utility model, riveted joint has metal tube, the aramid layers of said optical fiber to be pressed between said metal tube and the said metal caudal peduncle on the said metal caudal peduncle.
In the described twin-core fiber plug of the utility model, the tail end of said Optical fiber plug has the tail sheath that two said metal caudal peduncles are bundled together.
In the described twin-core fiber plug of the utility model, the top of each said fore shell is provided with elasticity button arm, and the top of said back cover is provided with the elasticity that cooperates with said elasticity button arm by pressure arm, and said elasticity rides on the said elasticity button arm by pressure arm.
In the described twin-core fiber plug of the utility model, the front end of each said fore shell extends one forward and goes up teat and teat once, and said ceramic insertion core is on said between teat and the following teat.
In the described twin-core fiber plug of the utility model, the front end of each said fore shell also is provided with guide protrusions.
Implement the twin-core fiber plug of the utility model; Has following beneficial effect: in the twin-core fiber plug of the utility model; Because it is single parts that back cover is adopted, and has increased the intensity of Optical fiber plug, reduces the physical dimension of Optical fiber plug; The front end of back cover is provided with two fore shells, then can make things convenient for the assembling of Optical fiber plug.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the synoptic diagram of preferred embodiment of the twin-core fiber plug of the utility model;
Fig. 2 is the decomposing schematic representation of preferred embodiment of the twin-core fiber plug of the utility model;
Fig. 3 is the synoptic diagram of fore shell of preferred embodiment of the twin-core fiber plug of the utility model;
Fig. 4 is the synoptic diagram of the front end face of fore shell in the preferred embodiment of twin-core fiber plug of the utility model;
Fig. 5 is an A-A sectional view among Fig. 4;
Fig. 6 is one of synoptic diagram of back cover in the preferred embodiment of twin-core fiber plug of the utility model;
Fig. 7 be back cover in the preferred embodiment of twin-core fiber plug of the utility model synoptic diagram two.
Embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the embodiment that accompanying drawing specifies the utility model at present.
As depicted in figs. 1 and 2, for a preferred embodiment of the twin-core fiber plug of the utility model, in the Optical fiber plug of this embodiment; Comprise a back cover 1; Back cover 1 is by injection molding, and the front end of this back cover 1 has two parallel Plug Divisions 11, and this back cover 1 inside is provided with the passage 12 that two parallel confession optical fiber 3 penetrate; This passage 12 extends to the tail end of back cover 1 by the front end of Plug Division 11, and optical fiber 3 is penetrated in the Optical fiber plug by the tail end of back cover 1; Fore shell 2 of each Plug Division 11 socket, the tail end of fore shell 2 have the receiving compartment 21 that supplies Plug Division 11 to insert, and the front end of each fore shell 2 is provided with ferrule assembly 4.
In the present embodiment, fore shell 2 removably connects with Plug Division 11.Referring to Fig. 3 to Fig. 7, concrete, in the present embodiment; On the periphery of Plug Division 11, be provided with back-off 111, on the inwall of the receiving compartment 21 of fore shell 2, be provided with the button bit 211 adaptive, only need during assembling fore shell 2 is enclosed within on the Plug Division 11 with back-off 111; Push fore shell 2 then backward; Back-off 111 is buckled in the button bit 211, can accomplishes the assembling of fore shell 2, assemble very simple and convenient.
Referring to Fig. 2; In the present embodiment, ferrule assembly 4 comprises lock pin tailstock 40, is arranged on the ceramic insertion core 41 on the lock pin tailstock 40, and is enclosed within the volute spring 42 on the optical fiber 3; Lock pin tailstock 40 and volute spring 42 are positioned at fore shell 2, and ceramic insertion core 41 is passed by the front end of fore shell 2.In order to protect ceramic insertion core 41; Can extend on one teat 201 and teat 202 once at the front end of fore shell 2 forward; Ceramic insertion core 41 is gone up teat 201 like this and can be played the certain protection effect to ceramic insertion core 41 with following teat 202 between last teat 201 and following teat 202.
In the present embodiment; Fixed fiber for ease has two at the tail end of back cover 1 and is embedded in the metal caudal peduncle 13 in the back cover 1 during in back cover 1 injection mo(u)lding, and optical fiber 3 is entered in the back cover 1 by this metal caudal peduncle 13; The aramid layers of optical fiber 3 can use the metal tube riveted and fixed on metal caudal peduncle 13; In order to protect metal caudal peduncle 13, the tail end of Optical fiber plug has the tail sheath 5 that two metal caudal peduncles 13 are bundled together, and 5 pairs of optical fiber of tail sheath play the certain protection effect.
In the present embodiment; The top of each fore shell 2 is provided with elasticity button arm 22; The top of back cover 1 is provided with the elasticity that cooperates with this elasticity button arm 22 by pressure arm 14; This elasticity rides on the elasticity button arm 22 by pressure arm 14, can operate elasticity button arm 22 through push arm 14 by compression elasticity, and operation is very easy.In the present embodiment, for can make the twin-core fiber plug can with the fiber adapter better fit, also be provided with guide protrusions 203 at the front end of each fore shell 2, this guide protrusions 203 can play the effect of guide-localization.
In the twin-core fiber plug of the utility model, be single parts because back cover is adopted, increased the intensity of Optical fiber plug, reduce the physical dimension of Optical fiber plug, the front end of back cover is provided with two fore shells, then can make things convenient for the assembling of Optical fiber plug.
Combine accompanying drawing that the embodiment of the utility model is described above; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the utility model.
Claims (10)
1. twin-core fiber plug; It is characterized in that; Comprise a back cover (1); The front end of said back cover (1) has two parallel Plug Divisions (11), is provided with the passage (12) that two parallel confession optical fiber (3) penetrate in the said back cover (1), and said passage (12) is extended to the tail end of said back cover (1) by the front end of said Plug Division (11); Each fore shell of said Plug Division (11) socket (2), the tail end of each fore shell (2) have the receiving compartment (21) that supplies said Plug Division (11) to insert, and the front end of each said fore shell (2) is provided with ferrule assembly (4).
2. twin-core fiber plug according to claim 1 is characterized in that, said fore shell (2) removably connects with said Plug Division (11).
3. twin-core fiber plug according to claim 1; It is characterized in that; The periphery of said Plug Division (11) is provided with back-off (111), and the inwall of the receiving compartment (21) of said fore shell (2) is provided with the button bit (211) adaptive with said back-off (111).
4. according to each described twin-core fiber plug of claim 1 to 3; It is characterized in that; Said ferrule assembly (4) comprises lock pin tailstock (40), is arranged on the ceramic insertion core (41) on the lock pin tailstock (40), and is enclosed within the volute spring (42) on the optical fiber (3).
5. twin-core fiber plug according to claim 4 is characterized in that, the tail end of said back cover (1) has two and when back cover (1) injection mo(u)lding, is embedded in the metal caudal peduncle (13) in the back cover (1).
6. twin-core fiber plug according to claim 5 is characterized in that, said metal caudal peduncle (13) is gone up riveted joint has metal tube, the aramid layers of said optical fiber (3) to be pressed between said metal tube and the said metal caudal peduncle (13).
7. twin-core fiber plug according to claim 6 is characterized in that, the tail end of said Optical fiber plug has the tail sheath (5) that two said metal caudal peduncles (13) are bundled together.
8. twin-core fiber plug according to claim 4; It is characterized in that; The top of each said fore shell (2) is provided with elasticity button arm (22); The top of said back cover (1) is provided with the elasticity that cooperates with said elasticity button arm (22) and presses pressure arm (14), and said elasticity rides on the said elasticity button arm (22) by pressure arm (14).
9. twin-core fiber plug according to claim 4; It is characterized in that; The front end of each said fore shell (2) extends one forward and goes up teat (201) and teat (202) once, said ceramic insertion core (41) be positioned at said between teat (201) and the following teat (202).
10. twin-core fiber plug according to claim 4 is characterized in that, the front end of each said fore shell (2) also is provided with guide protrusions (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202622260U CN202166761U (en) | 2011-07-22 | 2011-07-22 | Double-core optical fiber plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202622260U CN202166761U (en) | 2011-07-22 | 2011-07-22 | Double-core optical fiber plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202166761U true CN202166761U (en) | 2012-03-14 |
Family
ID=45802578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202622260U Expired - Fee Related CN202166761U (en) | 2011-07-22 | 2011-07-22 | Double-core optical fiber plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202166761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014107923A1 (en) * | 2013-01-14 | 2014-07-17 | 深圳日海通讯技术股份有限公司 | Multi-connected optical fiber plug |
| CN111323876A (en) * | 2020-04-20 | 2020-06-23 | 苏州天孚光通信股份有限公司 | MINI lock pin sleeve pipe assembly and LC connector |
-
2011
- 2011-07-22 CN CN2011202622260U patent/CN202166761U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014107923A1 (en) * | 2013-01-14 | 2014-07-17 | 深圳日海通讯技术股份有限公司 | Multi-connected optical fiber plug |
| CN111323876A (en) * | 2020-04-20 | 2020-06-23 | 苏州天孚光通信股份有限公司 | MINI lock pin sleeve pipe assembly and LC connector |
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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: 20120314 Termination date: 20160722 |