CN113391408A - SL-type integrated four-core optical fiber movable connector - Google Patents
SL-type integrated four-core optical fiber movable connector Download PDFInfo
- Publication number
- CN113391408A CN113391408A CN202110814342.7A CN202110814342A CN113391408A CN 113391408 A CN113391408 A CN 113391408A CN 202110814342 A CN202110814342 A CN 202110814342A CN 113391408 A CN113391408 A CN 113391408A
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- China
- Prior art keywords
- optical fiber
- core
- type integrated
- ceramic
- ferrule
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Classifications
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- 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
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- 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
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses an SL-type integrated four-core optical fiber movable connector, which relates to the technical field of optical fiber communication and comprises a functional component, a rear sleeve and four ceramic ferrules, wherein the functional component comprises a ferrule component and an inner sleeve; the ferrule assembly comprises four tailstocks, four compression springs and a spring seat; the optical fiber connector adopted by the invention realizes that the optical fiber channel of the SC single-core adapter is increased by four times compared with the optical fiber channel of the existing SC single-core adapter and is increased by two times compared with the existing LC double-core optical fiber adapter on the premise of ensuring the size matching with the interface panel of the existing SC single-core adapter and the LC double-core adapter; meanwhile, the existing communication machine room is used for updating and transforming, the density of optical fiber connection can be increased by times, the cost is reduced, and the requirement of rapid development of 5G communication is met.
Description
Technical Field
The invention relates to the technical field of optical fiber communication, in particular to an SL-type integrated four-core optical fiber movable connector.
Background
The optical fiber connector is an optical passive device with the largest use amount in an optical system, is widely applied to communication, Local Area Network (LAN), Fiber To The Home (FTTH), high-quality video transmission, optical fiber sensing, instrument and meter testing and the like,
the main optical fiber connectors currently used in communication equipment rooms mainly include SC and LC optical fiber connectors. The SC panel interface size is 9.30 × 12.80mm with only one fiber channel. The interface size of the LC double-core panel is 9.30 x 12.80mm (same as the SC single-core panel), two optical fiber channels are provided, and the density is doubled compared with the SC.
With the rapid advance of 5G construction and the high integration of telecom, broadcast television and network, the construction data connection of the smart city advances from 100G to 400G and 800G. More and higher requirements are put forward on the optical fiber connectors, and when the size of the interface of the panel of the communication cabinet is in a fixed specification, the optical fiber connection density of the two optical fiber connectors cannot meet the actual communication requirement.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an SL-type integrated four-core optical fiber movable connector which comprises a functional component, a rear sleeve, a rear seat and four ceramic ferrules, wherein the functional component comprises a ferrule component and an inner sleeve, the inner wall of one end of the inner sleeve is in clamping fit with the outer wall of one end of the rear sleeve and fixed with each other to form a cavity which is communicated front and back, and the ferrule component is arranged in the cavity; the ferrule assembly comprises four tailstocks, four compression springs and a spring seat, wherein one ends of the four ceramic ferrules are fixedly connected with one end of the tailstock, the compression springs are sleeved on the outer surface of the tailstock, one ends of the four compression springs are connected with one end of the spring seat, the other end of the spring seat is connected with the backseat, and the other end of the backseat is connected with the backseat in a clamping mode.
The ceramic ferrule is characterized in that an optical fiber channel is arranged inside the ceramic ferrule, and an optical fiber is arranged inside the optical fiber channel.
The further scheme is that the multifunctional module further comprises an outer sleeve, wherein the outer sleeve is arranged outside the functional module in a sleeved mode, and the outer sleeve is matched with the functional module in size.
In a further scheme, one ends of the four ceramic ferrules extend to the outside of one side, away from the rear sleeve, of the outer sleeve.
The ceramic ferrule comprises four ceramic ferrules, wherein the ceramic ferrules are arranged in a ring shape, and the cross section of each ring shape is square, circular or rhombic.
Further, one ends of the two SL high-density optical fiber movable connectors far away from the rear sleeve are respectively inserted into two ends of the SL adapter corresponding to the SL high-density optical fiber movable connectors.
Compared with the prior art, the invention has the following beneficial effects:
the optical fiber connector adopted by the invention realizes that the optical fiber channel of the SC single-core adapter is increased by four times compared with the optical fiber channel of the existing SC single-core adapter and is increased by two times compared with the existing LC double-core optical fiber adapter on the premise of ensuring the size matching with the interface panel of the existing SC single-core adapter and the LC double-core adapter; meanwhile, the existing communication machine room is used for updating and transforming, the density of optical fiber connection can be increased by times, the cost is reduced, and the requirement of rapid development of 5G communication is met.
Drawings
Fig. 1 is a schematic structural diagram of an SL-type integrated four-core optical fiber connector according to an embodiment of the present invention;
fig. 2 is a perspective view of an SL-type integrated four-core optical fiber connector according to an embodiment of the present invention;
FIG. 3 is a schematic view of a connector and adapter according to an embodiment of the present invention;
the attached drawings are marked as follows: 10-inner sleeve; 11-a tailstock; 12-a compression spring; 13-spring seats; 2-rear sleeve; 3-a rear seat; 4-ceramic ferrule; and 5, coating.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, an embodiment of the present invention discloses an SL type integrated four-core optical fiber connector, which includes a functional component, a rear sleeve 2, a rear seat 3, four ceramic ferrules 4 and an outer sleeve 5, wherein the functional component includes a ferrule component and an inner sleeve 10, an inner wall of one end of the inner sleeve 10 is in snap fit with an outer wall of one end of the rear sleeve 2 and is fixed to each other to form a cavity which is through from front to back, and the ferrule component is disposed in the cavity; the ferrule assembly comprises four tailstocks 11, four compression springs 12 and a spring seat 13, one ends of four ceramic ferrules 4 are fixedly connected with one end of each tailstock 11, the compression springs 12 are sleeved on the outer surface of the tailstocks 11, one ends of the four compression springs 12 are connected with one end of the spring seat 13, the other end of the spring seat 13 is connected with the rear seat 3, and the other end of the rear seat 3 is clamped with the rear sleeve 2; the outer sleeve 5 is sleeved outside the functional component, and the size of the outer sleeve 5 is matched with that of the functional component. This embodiment can conveniently link to each other with the adapter through setting up the overcoat.
This embodiment realizes the location direction to the plug subassembly through compression spring.
In this embodiment, the outer sleeve, the inner sleeve and the rear sleeve are made of plastic, and the compression spring is made of metal.
In the present embodiment, the ferrule 4 is provided with a fiber channel therein, and an optical fiber is provided in the fiber channel. This embodiment can make things convenient for the connection of optic fibre through above-mentioned setting.
In the present embodiment, one ends of the four ferrules 4 each extend to the outside of the outer sleeve 5 on the side away from the rear sleeve 2. This embodiment can make things convenient for the optic fibre to get into in the ceramic lock pin through above-mentioned setting.
In the present embodiment, four ferrules 4 are arranged in a ring shape with a square cross-section. The present embodiment forms four optical fiber channels by the above arrangement.
In this embodiment, the ends of the two SL high-density optical fiber connectors far from the rear cover 2 are respectively inserted into the two ends of the SL adapter corresponding to the SL high-density optical fiber connectors. In the embodiment, the four fiber channels of one SL fiber connector are precisely butted with the four fiber channels of the other SL fiber connector through the arrangement. The purpose of optical fiber communication transmission is achieved.
This embodiment is connected through the buckle of endotheca and back cover, fixes four group's pottery lock pins, tailstock and spring holder in the cavity. Then, the optical fiber penetrates into the ceramic ferrule and the tailstock and is fixed by epoxy resin; when the adapter is inserted, one ends of the two SL high-density optical fiber movable connectors are respectively inserted into the ceramic sleeves of the SL adapter through the ceramic sleeves of the adapter, so that the four optical fiber channels of the two connectors are accurately butted.
The optical fiber connector adopted by the invention realizes that the optical fiber channel of the SC single-core adapter is increased by four times compared with the optical fiber channel of the existing SC single-core adapter and is increased by two times compared with the existing LC double-core optical fiber adapter on the premise of ensuring the size matching with the interface panel of the existing SC single-core adapter and the LC double-core adapter; meanwhile, the existing communication machine room is used for updating and transforming, the density of optical fiber connection can be increased by times, the cost is reduced, and the requirement of rapid development of 5G communication is met.
Finally, only specific embodiments of the present invention have been described in detail above. The invention is not limited to the specific embodiments described above. Equivalent modifications and substitutions by those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a four core fiber connector of SL type integral type which characterized in that:
the novel ceramic ferrule assembly comprises a functional assembly, a rear sleeve (2), a rear seat (3) and four ceramic ferrules (4), wherein the functional assembly comprises a ferrule assembly and an inner sleeve (10), the inner wall of one end of the inner sleeve (10) is clamped and matched with the outer wall of one end of the rear sleeve (12) and fixed with each other to form a cavity which is through from front to back, and the ferrule assembly is arranged in the cavity;
the ferrule assembly comprises four tailstocks (11), four compression springs (12) and a spring seat (13), wherein one end of the ceramic ferrule (4) is fixedly connected with one end of each tailstock (11), the compression springs (12) are sleeved on the outer surface of each tailstock (11) and four ends of each compression spring (12) are connected with one end of each spring seat (13), the other end of each spring seat (13) is connected with the corresponding backseat (3), and the other end of each backseat (3) is connected with the corresponding backseat (2).
2. An SL-type integrated four-core optical fiber connector according to claim 1, wherein:
an optical fiber channel is arranged inside the ceramic ferrule (4), and an optical fiber is arranged inside the optical fiber channel.
3. An SL-type integrated four-core optical fiber connector according to claim 1, wherein:
still include overcoat (5), overcoat (5) cover is established the outside of functional component, just overcoat (5) with the size phase-match of functional component.
4. An SL-type integrated four-core optical fiber connector according to claim 3, wherein:
one ends of the four ceramic ferrules (4) extend to the outer part of one side, away from the rear sleeve (2), of the outer sleeve (5).
5. An SL-type integrated four-core optical fiber connector according to claim 1, wherein:
the four ceramic ferrules (4) are arranged in an annular mode at equal intervals, and the section of each annular ceramic ferrule is square, circular or rhombic.
6. An SL-type integrated four-core optical fiber connector according to any of claims 1 to 5, wherein:
one ends of the two SL high-density optical fiber movable connectors far away from the rear sleeve (2) are respectively inserted into two ends of the SL adapter corresponding to the SL high-density optical fiber movable connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110814342.7A CN113391408A (en) | 2021-07-19 | 2021-07-19 | SL-type integrated four-core optical fiber movable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110814342.7A CN113391408A (en) | 2021-07-19 | 2021-07-19 | SL-type integrated four-core optical fiber movable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113391408A true CN113391408A (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110814342.7A Pending CN113391408A (en) | 2021-07-19 | 2021-07-19 | SL-type integrated four-core optical fiber movable connector |
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| Country | Link |
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| CN (1) | CN113391408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859470A (en) * | 2022-05-19 | 2022-08-05 | 苏州卓昱光子科技有限公司 | Optical path structure and method for increasing return loss and optical device |
-
2021
- 2021-07-19 CN CN202110814342.7A patent/CN113391408A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859470A (en) * | 2022-05-19 | 2022-08-05 | 苏州卓昱光子科技有限公司 | Optical path structure and method for increasing return loss and optical device |
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