CN113376759A - Suspension loop type SC type optical fiber connector - Google Patents
Suspension loop type SC type optical fiber connector Download PDFInfo
- Publication number
- CN113376759A CN113376759A CN202110650895.3A CN202110650895A CN113376759A CN 113376759 A CN113376759 A CN 113376759A CN 202110650895 A CN202110650895 A CN 202110650895A CN 113376759 A CN113376759 A CN 113376759A
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- CN
- China
- Prior art keywords
- optical fiber
- spring
- spring seat
- elastic guide
- fiber connector
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- 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
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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
-
- 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
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two 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
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/3871—Ferrule rotatable with respect to plug body, e.g. for setting rotational position ; Fixation of ferrules after rotation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses a suspension loop type SC-type optical fiber connector which comprises a shell, an inner sleeve, a ceramic ferrule assembly, a spring seat, a tail sheath and an optical fiber, wherein the inner sleeve is arranged in the shell; the middle part of spring holder is equipped with two elastic guide blocks about and two buckles about, and the endotheca afterbody is equipped with two open slots about and two draw-in grooves, and the spring holder passes through elastic guide block cartridge at the endotheca afterbody, and two elastic guide blocks are arranged in two open slots respectively, and two buckles block respectively in two draw-in grooves. The positioning spring seat is installed through the elastic guide block during assembly, so that the problem that the inner sleeve is pressed and scrapped due to repeated installation is avoided; when the assembly and disassembly are needed, the elastic guide block rotating spring seat is pressed down to separate the spring seat from the inner sleeve, so that time and labor are saved.
Description
Technical Field
The invention relates to the technical field of optical fiber communication, in particular to a suspension loop type SC type optical fiber connector.
Background
The standard length of the existing SC type optical fiber connector is not more than 60mm, and is about 55mm actually. SC type fiber connector includes shell, inner shell and tail cover, and the inner shell joint is in the frame, and the tail cover is pegged graft from the afterbody of shell and is entered into in the shell to the tip conflict and the inner shell of tail cover. The outer frame of the existing SC type optical fiber connector can not be reduced all the time due to the fact that finger operation space is reserved, the tail sleeve is a rubber piece used for protecting the buffer optical fiber coming out of the connecting device, and a plurality of manufacturers shorten the tail sleeve of the connector, so that the length of the SC type optical fiber connector is shortened, but the length of the SC type optical fiber connector is still not smaller than 40 mm.
When current SC type fiber connector was used in crossing the line box, because of crossing line box space itself less relatively, for the installation of being convenient for, the box body size of crossing the line box just need be done great, has influenced pleasing to the eye and use, and the box body miniaturization makes the problem that technical staff in the field was painful always, though some producers try to suitably reduce the shell, nevertheless because the size has shortened, is not conform to ergonomic custom for the hand operating space diminishes, has influenced the simple operation, does not have practical value.
The inner shell of the SC type optical fiber connector mainly comprises an inner sleeve, a ceramic ferrule assembly, a spring and a spring seat, wherein the ceramic ferrule assembly and the spring are sequentially assembled on the inner sleeve, the spring seat limits the spring, and the spring is buckled with a clamping groove at the tail part of the inner sleeve through symmetrical buckles at the front part of the spring seat to form the inner shell of the connector. The spring seat of the existing SC type optical fiber connector is difficult to align when being installed in the clamping groove of the inner sleeve, and is often required to be repeatedly installed, so that the inner sleeve is easily scrapped after the inner sleeve is pressed and deformed due to the eccentricity of the spring seat; and the buckle is difficult to break away from when the dismouting, and the dismouting is wasted time and energy.
Disclosure of Invention
The invention provides a suspension loop type SC type optical fiber connector, aiming at solving the technical problems that the existing SC type optical fiber connector is large in length, the attractiveness and the use are influenced, a spring seat is difficult to center when being arranged in a through groove of an inner sleeve, and the inner sleeve is scrapped after being pressed and deformed due to the eccentricity of the spring seat. This application is miniaturized simultaneously through the inside and outside structure with the connector on the basis of ergonomic principle, with its length control at being not more than 30mm, will improve into repeatedly usable's structural style with the spring holder of endotheca dress in addition, convenient dismantlement.
The technical scheme adopted by the invention is as follows:
a suspension loop type SC type optical fiber connector comprises a shell, an inner sleeve, a ceramic ferrule assembly, a spring seat, a tail sheath and an optical fiber; the pottery lock pin subassembly, a spring, the spring holder suit is in the endotheca in proper order, the spring holder carries on spacingly to the spring, the afterbody suit tail sheath of spring holder, the optic fibre head passes the tail sheath in proper order, the spring holder cartridge is in the central through-hole of pottery lock pin subassembly, the middle part of spring holder is equipped with two elasticity guide blocks about and two buckles about, two elasticity guide blocks about and two buckle cross settings about, the endotheca afterbody is equipped with two upper and lower open slots and controls two draw-in grooves, the spring holder passes through elasticity guide block cartridge at the endotheca afterbody, two elasticity guide blocks are located two open slots respectively, two buckles block respectively in two draw-in grooves.
Furthermore, the shell comprises a shell body with two straight side surfaces, two L-shaped ear-shaped pieces are respectively arranged on two sides of the tail part of the shell body, the two L-shaped ear-shaped pieces are symmetrically arranged, and the two L-shaped ear-shaped pieces and the shell body form the shell with a forward opening and a mountain-shaped whole body.
Further, the L-shaped ear piece is connected with the shell body through an inclined plane, and the inclined plane inclines downwards from the side face of the shell body to the L-shaped ear piece.
Furthermore, a plurality of friction grooves are annularly arranged on the outer surfaces of the shell body and the L-shaped lug piece.
Further, the total length of the connector is not more than 30 mm.
Furthermore, the tail part of the spring seat is provided with two parallel clamping surfaces.
Furthermore, the elastic guide block is composed of a stepped through hole formed in the center of the spring seat, two rectangular grooves penetrating through the wall of the stepped through hole and a boss protruding radially on the outer side wall of the stepped through hole, the two rectangular grooves are respectively formed in two sides of the boss, and the width of the boss is matched with an open groove in the tail portion of the inner sleeve.
Furthermore, the middle part of boss is equipped with trapezoidal logical groove, and trapezoidal logical groove link up along the boss width.
Furthermore, the buckle is in a sector annular shape and surrounds the circumferential direction of the spring seat, and the upper side and the lower side of the buckle are provided with through grooves penetrating through the wall of the stepped through hole.
The invention has the beneficial effects that: compared with the prior art, the SC type optical fiber connector has the advantages that the shell of the SC type optical fiber connector is designed into an external lug type which does not affect normal operation, the adapter is connected through the lug, operation space does not need to be considered, the length of the connector shell can be greatly shortened, namely the length of the connector is shortened, and a foundation is provided for realizing miniaturization of the wire passing box; according to the spring seat, the elastic guide block of the spring seat is designed, and the inner sleeve is prevented from being scraped under pressure due to repeated installation by installing and positioning the elastic guide block during assembly; when the tool is required to be disassembled and assembled, the spring seat is clamped by the tool to rotate by 90 degrees, so that the spring seat is separated from the inner sleeve, and time and labor are saved.
Drawings
Fig. 1 is an exploded view of a suspension-ear SC-type fiber optic connector of the present invention.
Fig. 2 is an external view of the suspension-lug SC-type optical fiber connector of the present invention.
Fig. 3 is a schematic diagram of the connection of the suspension-ear type SC optical fiber connector and the adapter of the present invention.
Fig. 4 is a schematic cross-sectional view of the suspension-ear SC-type optical fiber connector according to the present invention.
Fig. 5 is a perspective view of the spring seat of the present invention.
Fig. 6 is a schematic view of a connection structure of the inner sleeve and the spring seat according to the present invention.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
Referring to fig. 1 to 6, the present embodiment provides a suspension-loop SC-type optical fiber connector, which includes a housing 10, an inner sleeve 20, a ferrule assembly 30, a spring 40, a spring seat 50, a tail sheath 60, and an optical fiber 70; the ferrule assembly 30, the spring 40 and the spring seat 50 are sequentially sleeved in the inner sleeve 20, the spring seat 50 limits the spring 40, the tail of the spring seat 50 is sleeved with the tail sheath 60, and the head of the optical fiber 70 sequentially penetrates through the tail sheath 60 and the spring seat 50 and is inserted in a central through hole of the ferrule assembly 30.
As shown in fig. 2, the housing 10 includes a housing body with two straight side surfaces, two L-shaped ear pieces 11 are respectively disposed on two sides of the tail portion of the housing body, and the two L-shaped ear pieces 11 are symmetrically disposed to form a housing with a front opening and a chevron shape as a whole with the housing body. The L-shaped lugs 11 are connected to the housing body by means of a ramp 12, which ramp 12 slopes from the housing body side towards the L-shaped lugs 11. The outer walls of the shell body and the L-shaped ear-shaped piece 11 are all provided with a plurality of friction grooves 13 in a ring mode. An inner sleeve inserting cavity is arranged in the shell body, and the inner sleeve inserting cavity is of an industry standard size structure.
As shown in fig. 3, the L-shaped ears 11 are arranged to allow the housing 10 to be plugged into the adapter 1, so as to achieve the effect that the SC-type optical fiber connector is hung outside the adapter 1, without considering the installation space, and the length of the SC-type optical fiber connector can be greatly reduced, so that the total length of the connector is reduced to be within 30 mm. The friction groove 13 can increase the friction coefficient between the adapter 1 and the shell 10, and improve the tightness of connection.
In consideration of the interface standardization, the inner sleeve 20, the ferrule assembly 30 and the spring 40 have basically unchanged structural design and are all conventional designs. The tail part of the inner sleeve 20 is provided with an upper open slot 21 and a lower open slot 21 with the same structure and a left clamp slot 22 and a right clamp slot 22 with the same structure, the open slot 21 is a U-shaped groove axially formed along the side wall of the inner sleeve, and the clamp slot 22 is a rectangular through slot formed along the circumference of the side wall of the inner sleeve.
As shown in fig. 5, the spring seat 50 is generally cylindrical, and has an inverted cone-shaped rear portion, wherein two symmetrical parallel surfaces 53 are provided at the inverted cone-shaped rear portion, and the two parallel surfaces 53 serve as clamping surfaces for tools during disassembly and assembly operations. The spring seat 50 is provided with a stepped through hole at the center, a large circular hole 55 is located at the head of the spring seat and serves as a containing hole for the spring 40, and a large stepped surface 54 where the large circular hole intersects with the small circular hole is in contact with the spring for limiting the spring. The upper and lower sides of the middle part of the spring seat 50 are symmetrically provided with an upper elastic guide block 51 and a lower elastic guide block 52 which have the same structure, the upper elastic guide block 51 corresponds to the upper open slot of the inner sleeve 20, and the lower elastic guide block 52 corresponds to the lower open slot of the inner sleeve 20; the left side and the right side of the middle of the spring seat 50 are symmetrically provided with two buckles 59 with the same structure, the left buckle is in clamping fit with a left clamping groove of the inner sleeve, and the right buckle is in clamping fit with a right clamping groove of the inner sleeve.
In this embodiment, the upper elastic guide block 51 and the lower elastic guide block 52 are each composed of a stepped through hole, a first rectangular groove 56 and a second rectangular groove 57 penetrating through the wall of the stepped through hole, and a boss 54 radially protruding on the outer side wall of the stepped through hole, the first rectangular groove 56 and the second rectangular groove 57 are respectively located on both sides of the boss 54, and both ends of the rectangular grooves respectively extend to the head and the tail of the spring seat, and exceed the front end face and the rear end face of the boss 54, the width of the boss 54 is adapted to the width of the opening groove 21 at the tail of the inner sleeve, a trapezoidal through groove 541 is arranged in the middle of the boss 54, the trapezoidal through groove 541 penetrates along the width of the boss, and the front end face and the rear end face of the boss 54 are both inclined planes. The structural design of the upper elastic guide block 51 and the lower elastic guide block 52 ensures that the deformability of the upper elastic guide block 51 and the lower elastic guide block 52 is better, so that when the spring seat and the inner sleeve are disassembled, the elastic guide block can be pressed by hand to enable the spring seat to be retracted, the tail parallel surface 53 is clamped by a vice, the spring seat is rotated, the spring seat 50 and the inner sleeve 20 are quickly separated, and time and labor are saved. During installation, the upper elastic guide block 51 and the lower elastic guide block 52 of the spring seat are respectively inserted into the lower opening groove of the inner sleeve 20 in an aligning manner, the buckle 59 corresponds to the position of the clamping groove 22 at the moment, and after the insertion is completed, the buckle is accurately clamped into the clamping groove 22, so that the inner sleeve is prevented from being pressed and deformed due to eccentricity of the spring seat caused by repeated installation.
In this embodiment, the clip 59 is in a fan-shaped ring shape, and the upper and lower sides of the clip 59 are provided with through grooves penetrating through the wall of the stepped through hole. Due to the structural design of the buckle, the buckle has good deformability, and the spring seat 50 is convenient to rotate and separate from the inner sleeve 20.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A suspension loop type SC type optical fiber connector comprises a shell, an inner sleeve, a ceramic ferrule assembly, a spring seat, a tail sheath and an optical fiber; the ceramic ferrule assembly, a spring, the spring holder suit is in the endotheca in proper order, the spring holder carries on spacingly to the spring, the afterbody suit tail sheath of spring holder, the optic fibre head passes the tail sheath in proper order, the spring holder cartridge is in the central through-hole of ceramic ferrule assembly, a serial communication port, the middle part of spring holder is equipped with two elastic guide blocks about and two buckles about, two elastic guide blocks about and two buckle cross settings about, the endotheca afterbody is equipped with two open slots about and two draw-in grooves about, the spring holder passes through elastic guide block cartridge at the endotheca afterbody, two elastic guide blocks are located two open slots respectively, two buckles block respectively in two draw-in grooves.
2. The SC-type optical fiber connector according to claim 1, wherein the housing includes a housing body with two straight side surfaces, two L-shaped ear members are respectively disposed on two sides of the rear portion of the housing body, and the two L-shaped ear members are symmetrically disposed to form a housing with a front opening and a chevron shape with the housing body.
3. The suspension-lug SC-type fiber optic connector of claim 2, wherein the L-shaped lugs are connected to the housing body by a ramp surface that slopes downwardly from the side of the housing body toward the L-shaped lugs.
4. The SC optical fiber connector according to claim 2, wherein the housing body and the L-shaped ear member have friction grooves formed around the outer surface thereof.
5. A suspension-loop SC type optical fiber connector according to any one of claims 2 to 4, wherein the total length of the connector is not more than 30 mm.
6. A suspension-lug SC-type optical fiber connector according to claim 1 or 2, wherein the tail portion of the spring seat is provided with two parallel clamping surfaces.
7. The SC-type optical fiber connector as claimed in claim 1 or 2, wherein the elastic guide block comprises a stepped through hole formed in the center of the spring seat, two rectangular grooves extending through the wall of the stepped through hole, and a boss protruding radially from the outer wall of the stepped through hole, the two rectangular grooves are respectively formed on two sides of the boss, and the width of the boss is adapted to the opening groove of the tail portion of the inner sleeve.
8. The tab SC type fiber optic connector of claim 7, wherein a trapezoidal channel is formed in the middle of the boss and extends across the width of the boss.
9. The SC type optical fiber connector according to claim 7, wherein the latch is formed in a fan shape and surrounds the spring seat in a circumferential direction, and the upper and lower sides of the latch are provided with through grooves penetrating the wall of the stepped through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110650895.3A CN113376759A (en) | 2021-06-11 | 2021-06-11 | Suspension loop type SC type optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110650895.3A CN113376759A (en) | 2021-06-11 | 2021-06-11 | Suspension loop type SC type optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113376759A true CN113376759A (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110650895.3A Pending CN113376759A (en) | 2021-06-11 | 2021-06-11 | Suspension loop type SC type optical fiber connector |
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| Country | Link |
|---|---|
| CN (1) | CN113376759A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135171A (en) * | 2013-03-19 | 2013-06-05 | 上海宽岱电讯科技发展有限公司 | Hot-melt optical fiber connector |
| CN104330852A (en) * | 2013-07-22 | 2015-02-04 | 深圳日海通讯技术股份有限公司 | Optical fiber connector |
| CN104965262A (en) * | 2015-06-17 | 2015-10-07 | 深圳日海通讯技术股份有限公司 | Optical fiber connector and manufacturing method thereof |
| CN211528757U (en) * | 2020-02-19 | 2020-09-18 | 新确精密科技（深圳）有限公司 | Optical fiber connector |
| CN211905778U (en) * | 2020-05-09 | 2020-11-10 | 南京华脉科技股份有限公司 | Connector structure for butterfly-shaped optical cable |
-
2021
- 2021-06-11 CN CN202110650895.3A patent/CN113376759A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135171A (en) * | 2013-03-19 | 2013-06-05 | 上海宽岱电讯科技发展有限公司 | Hot-melt optical fiber connector |
| CN104330852A (en) * | 2013-07-22 | 2015-02-04 | 深圳日海通讯技术股份有限公司 | Optical fiber connector |
| CN104965262A (en) * | 2015-06-17 | 2015-10-07 | 深圳日海通讯技术股份有限公司 | Optical fiber connector and manufacturing method thereof |
| CN211528757U (en) * | 2020-02-19 | 2020-09-18 | 新确精密科技（深圳）有限公司 | Optical fiber connector |
| CN211905778U (en) * | 2020-05-09 | 2020-11-10 | 南京华脉科技股份有限公司 | Connector structure for butterfly-shaped optical cable |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210910 |
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| RJ01 | Rejection of invention patent application after publication |