CN111258003B - Optical fiber connector, optical fiber adapter and optical fiber connecting assembly - Google Patents

Optical fiber connector, optical fiber adapter and optical fiber connecting assembly Download PDF

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Publication number
CN111258003B
CN111258003B CN202010075043.1A CN202010075043A CN111258003B CN 111258003 B CN111258003 B CN 111258003B CN 202010075043 A CN202010075043 A CN 202010075043A CN 111258003 B CN111258003 B CN 111258003B
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China
Prior art keywords
connector
standard
optical fiber
inner bushing
adapter
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CN202010075043.1A
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CN111258003A (en
Inventor
孙莹
黄美金
姜凯
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Fiberhome Telecommunication Technologies Co Ltd
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Fiberhome Telecommunication Technologies Co Ltd
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Priority to CN202010075043.1A priority Critical patent/CN111258003B/en
Publication of CN111258003A publication Critical patent/CN111258003A/en
Priority to PCT/CN2020/099095 priority patent/WO2021147253A1/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/381Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/381Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3825Dismountable 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3833Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes

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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 optical fiber connector, an optical fiber adapter and an optical fiber connecting assembly, which relate to the field of optical fiber communication and comprise: the inner bushing comprises a first accommodating cavity, and both ends of the inner bushing are respectively provided with a buckle and a clamping jaw; the connector comprises a butt joint part and a cable which are connected, the cable is accommodated in the first accommodating cavity, and the butt joint part is positioned outside the first accommodating cavity and is clamped with the buckle; the sealing plug is sleeved on the cable and clamped with the clamping jaw; and the connector outer sleeve is sleeved on the inner lining sleeve to extrude the sealing plug and can be connected with the matched optical fiber adapter. The optical fiber connector and the optical fiber adapter have good sealing performance and high universality.

Description

Optical fiber connector, optical fiber adapter and optical fiber connecting assembly
Technical Field
The invention relates to the field of optical fiber communication, in particular to an optical fiber connector, an optical fiber adapter and an optical fiber connecting assembly.
Background
In The process of laying out The cable at The service section of a Fiber To The Home (FTTH) network, a fusion splicing technology is generally adopted, that is, optical Fiber ends corresponding To each Home are distributed in a Fiber distribution box, The optical Fiber ends of each Home and The service cables are fused in The Fiber distribution box by using an optical Fiber fusion splicer, The service cables are laid To each Home, and The other ends of The service cables need To be fused on site once so as To be connected with The user terminal boxes of each Home.
With The large-scale deployment of FTTH (Fiber To The Home), The construction cost is reduced, The construction technical requirements are reduced, and The application of pre-connection products which simplify The construction difficulty is wider and wider. However, most of the fiber optic connectors and adapters currently in use are industry standard type connectors and adapters. The connector and adapter of this type are designed to solve the problem of indoor optical fiber connection or optical fiber connection in a protection box (box), and the box needs to be opened when the service is opened, and the operations such as fusion welding, cable fixing and the like are performed in the box. In order to avoid actions such as unpacking, welding, fixing of cables and the like when services are opened, the optical fiber connector and the adapter which have good waterproof performance and can be preassembled outside the box body for use are gradually applied.
At present, connectors and adapters for outdoor application are generally complex in structure and high in cost. The interface of the outdoor connector is usually a customized structure, the adapter is usually a standard connector connected to one end, and a customized outdoor connector connected to one end, that is, the output end cannot be output by using a standard SC connector, and the universality is poor. In order to use the standard SC connector for output, a protective sleeve is usually added to the standard adapter, and the protective sleeve is used for waterproof, dustproof and weather-proof functions, but the adapter is too large in size, cannot be densely arranged, and is high in cost.
Disclosure of Invention
In view of the defects in the prior art, in a first aspect, the invention provides an optical fiber connector with good sealing performance.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
an optical fiber connector comprising:
the inner bushing comprises a first accommodating cavity, and both ends of the inner bushing are respectively provided with a buckle and a clamping jaw;
the connector comprises a butt joint part and a cable which are connected, the cable is contained in the first containing cavity, and the butt joint part is positioned outside the first containing cavity and clamped with the buckle;
the sealing plug is sleeved on the cable and clamped with the clamping jaw; and
and the connector outer sleeve is sleeved on the inner lining sleeve to extrude the sealing plug and can be connected with a matched optical fiber adapter.
On the basis of the technical scheme, an open groove communicated with the first accommodating cavity is formed in the inner bushing along the axial direction of the inner bushing.
On the basis of the technical scheme, the sealing plug is provided with an opening along the axial direction.
On the basis of the technical scheme, the sealing plug is provided with a circle of convex ribs matched with the connector outer sleeve along the circumferential direction of the sealing plug.
On the basis of the technical scheme, the inner wall of the connector outer sleeve is provided with an internal thread to be in threaded connection with an external thread on the matched optical fiber adapter.
On the basis of the technical scheme, the optical fiber connector further comprises a connector traction cap, wherein the connector traction cap is provided with an external thread matched with the internal thread of the connector outer sleeve, and a first sealing ring is arranged at the matching position of the connector traction cap and the connector outer sleeve.
On the basis of the above technical solution, the connector is a standard SC connector or a field connector with a standard SC connector, and the latch is configured to be able to be latched with the standard SC connector or the field connector with the standard SC connector.
In a second aspect, the present invention provides a fiber optic adapter that is small and whose output can be made using standard SC connectors.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a fiber optic adapter, comprising:
the adapter main part, it includes that the second accepts the chamber, the chamber is accepted to the second includes input part and output, the input part is used for linking to each other with assorted fiber connector, just be equipped with the first cassette with the assorted fiber connector joint in the input part, detachably is equipped with an SC cassette in the output, just output side is equipped with and is used for the installation the side direction slide of SC cassette.
On the basis of the technical scheme, a limiting buckle is further arranged in the output part and used for clamping the end part of the SC clamping seat.
On the basis of the technical scheme, the first card holder is an SC card holder and is used for being clamped with a standard SC connector or a field connector with a standard SC connector.
In a third aspect, the invention provides an optical fiber connection assembly with good sealing performance and small volume, and the output end of the optical fiber connection assembly can be output by using a standard SC connector.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
an optical fiber connection assembly comprising:
the optical fiber connector comprises an optical fiber connector body,
the inner bushing comprises a first accommodating cavity, and both ends of the inner bushing are respectively provided with a buckle and a clamping jaw;
a connector comprising a butt-joint part and a cable which are connected, wherein the cable is accommodated in the first accommodating cavity, and the butt-joint part is positioned outside the first accommodating cavity and clamped with the buckle;
-a sealing plug fitted over the cable and snap-fitted to the jaw; and
-a connector housing for fitting over the inner liner to compress the sealing plug;
a fiber optic adapter, comprising,
-an adapter body comprising a second housing cavity comprising an input portion and an output portion, the input portion being connected to the connector housing and the input portion having a first socket for engaging the connector therein, the output portion having an SC socket removably disposed therein.
On the basis of the technical scheme, a lateral slideway for mounting the SC clamping seat is arranged on the side surface of the output part.
On the basis of the technical scheme, the bottom of the SC clamping seat is provided with a positioning column, and the output part is internally provided with a positioning hole which is axially matched and positioned with the positioning column.
On the basis of the technical scheme, a limiting buckle is further arranged in the output part and used for clamping the end part of the SC clamping seat.
On the basis of the above technical solution, the connector is a standard SC connector or a field connector with a standard SC connector, the latch is configured to be able to be latched with the standard SC connector or the field connector with the standard SC connector, and the first card holder is an SC card holder.
On the basis of the technical scheme, the sealing plug is provided with a circle of convex ribs matched with the connector outer sleeve along the circumferential direction of the sealing plug.
On the basis of the technical scheme, an open groove communicated with the first accommodating cavity is formed in the inner bushing along the axial direction of the inner bushing.
In a fourth aspect, the present invention provides a fiber optic connection assembly that is small and whose output can be accessed using a standard SC connector.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
an optical fiber connection assembly comprising:
the optical fiber connector comprises an optical fiber connector body,
-an inner sleeve comprising a first receiving cavity and having a snap at one end configured to snap into a standard SC connector or a field connector with a standard SC fitting;
a fiber optic adapter, comprising,
-an adapter body comprising a second housing cavity comprising an input part and an output part, the input part being connected to the fibre optic connector and the input part having a first socket therein adapted to be snapped into a standard SC connector or a field connector having a standard SC connector, the output part having a SC socket removably therein.
On the basis of the technical scheme, a lateral slideway for mounting the SC clamping seat is arranged on the side surface of the output part.
On the basis of the technical scheme, the bottom of the SC clamping seat is provided with a positioning column, and the output part is internally provided with a positioning hole which is axially matched and positioned with the positioning column.
On the basis of the technical scheme, a limiting buckle is further arranged in the output part and used for clamping the end part of the SC clamping seat.
On the basis of the technical scheme, an open groove communicated with the first accommodating cavity is formed in the inner bushing along the axial direction of the inner bushing.
Compared with the prior art, the invention has the advantages that:
the optical fiber connector comprises an inner bushing, wherein an open slot communicated with a first accommodating cavity is formed in the inner bushing along the axial direction of the inner bushing, and a cable can be directly clamped into the first accommodating cavity of the inner bushing after the open slot is formed. When the connector sleeve is sleeved into the connector outer sleeve, the connector protective sleeve extrudes the clamping jaw of the inner bushing to compress the sealing plug so as to seal the cable, and simultaneously extrudes the convex rib on the sealing plug to form tail sealing, so that the sealing performance is improved.
According to the optical fiber adapter, the side surface of the output part is provided with the lateral slide way, so that the SC card seat can be pushed into the adapter body through the lateral slide way during installation, the protection effect can be achieved by utilizing the related structure of the adapter body, and no additional protective sleeve is needed, so that the overall size can be reduced, and high-density installation can be realized.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an optical fiber connector according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an optical fiber connector with an open pulling cap according to an embodiment of the present invention;
FIG. 3 is an exploded view of an optical fiber connector according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an optical fiber connector according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the inner liner in an embodiment of the present invention;
fig. 6 is a schematic view of the sealing plug in an embodiment of the invention;
FIG. 7 is a schematic diagram of the overall structure of a fiber optic adapter in an embodiment of the present invention;
FIG. 8 is a schematic diagram of a fiber optic adapter with the adapter dust cap open according to an embodiment of the present invention;
FIG. 9 is an exploded view of a fiber optic adapter in an embodiment of the present invention;
FIG. 10 is a cross-sectional view of a fiber optic adapter in an embodiment of the present invention;
FIG. 11 is a cross-sectional view of an adapter body in an embodiment of the invention;
FIG. 12 is an assembly view of a fiber optic connector and a fiber optic adapter according to an embodiment of the present invention;
FIG. 13 is an assembled cross-sectional view of a fiber optic connector and a fiber optic adapter according to an embodiment of the present invention.
In the figure:
1-optical fiber connector, 10-inner bushing, 101-first accommodating cavity, 102-buckle, 103-claw, 104-open slot, 11-connector, 111-butt joint part, 112-cable, 12-sealing plug, 121-opening, 122-convex rib, 13-connector outer bushing, 14-connector traction cap and 15-first sealing ring;
2-optical fiber adapter, 21-adapter dust cap, 22-adapter body, 221-second receiving cavity, 222-input part, 223-output part, 224-first clamping seat, 225-lateral slideway, 226-limiting buckle, 23-adapter nut, 24-adapter sealing gasket, 25-SC clamping seat, 26-ceramic sleeve and 27-second sealing ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 4, an embodiment of the present invention provides an optical fiber connector, which includes an inner sleeve 10, a connector 11, a sealing plug 12, and a connector housing 13.
The inner bushing 10 includes a first receiving cavity 101, and two ends of the inner bushing 10 are respectively provided with a buckle 102 and a claw 103.
The connector 11 includes a butt-joint portion 111 and a cable 112 connected with each other, the cable 112 is accommodated in the first accommodating cavity 101, and the butt-joint portion 111 is located outside the first accommodating cavity 101 and is clamped with the buckle 102.
Referring to fig. 5, the inner sleeve 10 is mainly used for accommodating the cable 112 of the connector 11, and generally, since the cable 112 is long, it is inconvenient to fit the inner sleeve 10 on the cable 112. Therefore, the inner bushing 10 of the embodiment is provided with an open slot 104 communicating with the first receiving cavity 101 along the axial direction thereof, and after the open slot 104 is provided, the cable 112 can be directly clamped into the first receiving cavity 101 of the inner bushing 10, so that the inner bushing 10 is very convenient to install, and the size and diameter of the inner bushing 10 can be reduced properly because the cable does not need to pass through the inner bushing 10.
After the cable 112 is installed in the inner sleeve 10, the butt-joint portion 111 of the connector 11 can be clamped by the buckle 102, and the butt-joint portion 111 can be provided with a groove matched with the buckle 102 to realize clamping.
And the sealing plug 12 is sleeved on the cable 112 and clamped with the clamping jaws 103.
A connector housing 13 for fitting over the inner sleeve 10 to compress the sealing plug 12 and connectable to a mating optical fibre adapter. Preferably, the inner wall of the connector housing 13 is provided with internal threads to threadably engage external threads on a mating fiber optic adapter.
Referring to fig. 6, in this embodiment, the sealing plug 12 is provided with an opening 121 along the axial direction, and the sealing plug 12 can be conveniently sleeved on the cable 112 after the opening 121 is provided.
For a better sealing effect, the sealing plug 12 is provided with a ring of ribs 122 along its circumference for engaging with the connector housing 13, and when the connector housing 13 is pushed in, the connector housing 13 presses the jaws 103 of the inner sleeve 10 to compress the sealing plug 12 and thereby seal the cable 112, and also presses the ribs 122 on the sealing plug 12 to form a tail seal.
Preferably, the optical fiber connector in this embodiment further includes a connector pulling cap 14, the connector pulling cap 14 is provided with an external thread matching with the internal thread of the connector outer sleeve 13, and a first sealing ring 15 is provided at a matching position of the connector pulling cap 14 and the connector outer sleeve 13.
Preferably, the connector 11 in this embodiment is a standard SC connector or a field connector with a standard SC fitting, and the catch 102 is configured to be snappable with the standard SC connector or the field connector with a standard SC fitting.
When the standard SC joint field connector is adopted, cables and joints can be manufactured on the field according to the distance of the connecting points, compared with the prefabrication in a factory, the length of the cables can be adjusted according to the distance of the connecting points, the saving of optical fiber resources is facilitated, surplus cables do not need to be coiled, and the surplus cable coiling space and risk are saved.
Referring to fig. 7 to 10, an embodiment of the present invention provides a fiber optic adapter, which includes an adapter dust cap 21, an adapter main body 22, an adapter nut 23, an adapter gasket 24, an SC cartridge 25, a ceramic sleeve 26, and a second sealing ring 27.
Wherein, the adapter dust cap 21 and the adapter main body 22 are connected by a rotary locking structure and form a seal with the second seal ring 27. The adapter nut 23 is threaded onto one side of the adapter body 22, locks to the housing in which the fiber optic adapter is installed, and compresses the adapter gasket 24 to form a seal with the housing.
Meanwhile, referring to fig. 11, the adaptor body 22 includes a second receiving cavity 221, the second receiving cavity 221 includes an input portion 222 and an output portion 223, the input portion 222 is used for connecting with a matched optical fiber connector, a first card holder 224 clamped with the matched optical fiber connector is arranged in the input portion 222, an SC card holder 25 is detachably arranged in the output portion 223, and a lateral slide track 225 for mounting the SC card holder 25 is arranged on a lateral surface of the output portion 223.
In this embodiment, since the lateral sliding channel 225 is disposed on the lateral side of the output portion 223, the SC clamping seat 25 can be pushed into the adapter body 22 through the lateral sliding channel 225 during installation, and the protection function can be achieved by using the related structure of the adapter body 22 without additionally disposing a protective sleeve, so that the overall size can be reduced, and high-density installation can be achieved.
Further, a limiting buckle 226 is arranged in the output part 223, and the limiting buckle 226 is used for clamping the end part of the SC clamping seat 25. The restraining clip 226 is fixed to press the end of the SC holder 25, so as to fix the SC holder 25 and protect the ceramic sleeve 26 mounted on the adaptor body 22, thereby making signal transmission more stable.
Further, the first card socket 224 is an SC card socket for clamping with a standard SC connector or a field connector having a standard SC fitting. The installation that its both ends of optic fibre adapter in this application can both adapt standard SC connector, fine improvement the commonality.
Referring to fig. 12 and 13, an embodiment of the present invention provides an optical fiber connection assembly, which includes an optical fiber connector 1 and an optical fiber adapter 2, where the optical fiber connector 1 includes an inner liner 10, a connector 11, a sealing plug 12, and a connector outer jacket 13. The fiber optic adapter 2 includes an adapter dust cap 21, an adapter body 22, an adapter nut 23, an adapter gasket 24, an SC cartridge 25, a ceramic sleeve 26, and a second seal 27.
The inner bushing 10 includes a first receiving cavity 101, and two ends of the inner bushing 10 are respectively provided with a buckle 102 and a claw 103.
The connector 11 includes a butt-joint portion 111 and a cable 112 connected with each other, the cable 112 is accommodated in the first accommodating cavity 101, and the butt-joint portion 111 is located outside the first accommodating cavity 101 and is clamped with the buckle 102.
And the sealing plug 12 is sleeved on the cable 112 and clamped with the clamping jaws 103.
A connector housing 13 for fitting over the inner sleeve 10 to compress the sealing plug 12 and connectable to a mating optical fibre adapter.
The adapter body 22 includes a second receiving cavity 221, the second receiving cavity 221 includes an input portion 222 and an output portion 223, the input portion 222 is connected to the connector housing 13, a first card seat 224 is disposed in the input portion 222 and is connected to the connector 11, and an SC card seat 25 is detachably disposed in the output portion 223.
Preferably, in this embodiment, the inner wall of the connector housing 13 is provided with an internal thread, and the input portion 222 of the fiber adapter 2 is provided with an external thread, which are connected by a thread.
Preferably, in the present embodiment, the output part 223 is laterally provided with a lateral slide 225 for mounting the SC cartridge 25. Can push into the adapter body 22 with SC cassette 25 in during the installation through side slide 225, utilize the relevant structure of adapter body 22 to play the guard action, can need not additionally to set up the protective sheath through side slide 225 installation SC cassette 25 to can reduce holistic volume, with the installation of realization height.
At the same time, the SC cartridge 25 may also be mounted in the output 223 of the adapter body 22 by means of an axial mounting. In this embodiment, a positioning column is disposed at the bottom of the SC clamping seat 25, and a positioning hole axially matching with the positioning column is disposed in the output portion 223 to complete axial positioning installation.
Further, a limiting buckle 226 is arranged in the output part 223, and the limiting buckle 226 is used for clamping the end part of the SC clamping seat 25.
Further, the connector 11 is a standard SC connector or a field connector with a standard SC fitting, the latch 102 is configured to be able to be latched with the standard SC connector or the field connector with the standard SC fitting, and the first card holder 224 is an SC card holder.
The bore seal 12 is provided with a circumferential bead 122 which engages the connector housing 13.
The following further describes the installation and fitting manner of the optical fiber connection assembly in this embodiment:
the connector 11 is first passed through the connector outer jacket 13, the cable 112 is snapped into the inner jacket 10, and the connector 11 is then snapped into place by the snap 102. Then the sealing plug 12 is sleeved on the cable 112 and clamped into the clamping jaws 103 of the inner bushing 10, after the above operations are completed, the positioning key of the connector is aligned with the positioning groove on the adapter main body 22, and is inserted into the optical fiber adapter 2, the clamping buckle of the first clamping seat on the adapter main body 22 fastens the connector 11, then the connector outer sleeve 13 is pushed up and is screwed with the optical fiber adapter 2, at this time, the connector outer sleeve 13 presses the second sealing ring 27 on the optical fiber adapter 2 to form sealing, the tail part of the connector outer sleeve 13 presses the convex rib 122 on the sealing plug 12 to form sealing, the tail clamping jaws 103 of the inner bushing 10 press the sealing plug 12 to form sealing with the cable 112, the connector outer sleeve 13 abuts against the inner bushing 10, the inner bushing 10 abuts against the connector 11 to prevent the connector 11 from withdrawing from the optical fiber adapter 2, and the matching connection and sealing of the connector 11 and the optical fiber adapter 2 are completed.
When it is necessary to unlock the connector, the connector housing 13 is rotated, and the inner hub 10 is not withdrawn together with the connector housing 13 because the catch 102 of the inner hub 10 catches the connector 11, in order to prevent the inner hub 10 from being caught in the connector housing 13 and being difficult to be removed.
Referring to fig. 12 and 13, another fiber optic connection assembly is provided according to an embodiment of the present invention, which includes a fiber optic connector 1 and a fiber optic adapter 2.
Wherein, the optical fiber connector 1 comprises a fiber connector,
the inner sleeve 10 comprises a first receiving cavity 101, and one end of the inner sleeve 10 is provided with a buckle 102, and the buckle 102 is configured to be clamped with a standard SC connector or a field connector with a standard SC connector.
Further, the inner bush 10 is provided with an open groove 104 communicating with the first receiving chamber 101 along an axial direction thereof. After the open slot 104 is provided, the cable 112 can be directly clamped into the first accommodating cavity 101 of the inner bushing 10, on one hand, the installation is very convenient, and on the other hand, the size and diameter of the inner bushing 10 can be properly reduced because the cable does not need to pass through the inner bushing 10.
The fiber optic adapter 2, which includes,
the adapter main body 22 includes a second receiving cavity 221, the second receiving cavity 221 includes an input portion 222 and an output portion 223, the input portion 222 is connected to the optical fiber connector 1, a first card socket 224 is disposed in the input portion 222 and can be connected to a standard SC connector or a field connector with a standard SC connector, and an SC card socket 25 is detachably disposed in the output portion 223.
Further, the output portion 223 is provided with a lateral slide 225 at a side thereof for mounting the SC cartridge 25.
Furthermore, a positioning column is arranged at the bottom of the SC clamping seat 25, and a positioning hole axially matched and positioned with the positioning column is arranged in the output part 223.
Further, a limiting buckle 226 is arranged in the output part 223, and the limiting buckle 226 is used for clamping the end part of the SC clamping seat 25.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.

Claims (13)

1. An optical fiber connector, comprising:
the inner bushing (10) comprises a first accommodating cavity (101), two ends of the inner bushing (10) are respectively provided with a buckle (102) and a clamping jaw (103), and an open slot (104) which is communicated with the first accommodating cavity (101) and used for clamping a cable (112) into the inner bushing (10) is formed in the inner bushing (10) along the axial direction of the inner bushing;
the connector (11) comprises a butt joint part (111) and a cable (112) which are connected, the cable (112) is accommodated in the first accommodating cavity (101), and the butt joint part (111) is positioned outside the first accommodating cavity (101) and clamped with the buckle (102);
the sealing plug (12) is sleeved on the cable (112) and clamped with the clamping jaw (103); and
and the connector outer sleeve (13) is sleeved on the inner bushing (10) to extrude the sealing plug (12) and can be connected with a matched optical fiber adapter.
2. The fiber optic connector of claim 1, wherein: the sealing plug (12) is provided with an opening (121) along the axial direction.
3. The fiber optic connector of claim 1, wherein: and a circle of convex ribs (122) matched with the connector outer sleeve (13) are arranged on the sealing plug (12) along the circumferential direction of the sealing plug.
4. The fiber optic connector of claim 1, wherein: the connector (11) is a standard SC connector or a field connector with a standard SC fitting, and the catch (102) is configured to be snappable with the standard SC connector or the field connector with the standard SC fitting.
5. A fiber optic adapter, comprising:
adapter body (22), it includes that the second accepts chamber (201), chamber (201) is accepted to the second includes input part (222) and output (223), input part (222) are used for linking to each other with assorted fiber connector, just be equipped with in input part (222) with first cassette (224) of assorted fiber connector joint, detachably is equipped with an SC cassette (25) in output (223), just output (223) side is equipped with and is used for the installation of pushing in from the side slide (225) of SC cassette (25).
6. A fiber optic adapter according to claim 5, wherein: and a limiting buckle (226) is further arranged in the output part (223), and the limiting buckle (226) is used for clamping the end part of the SC clamping seat (25).
7. A fiber optic adapter according to claim 5, wherein: the first card holder (224) is an SC card holder for clamping with a standard SC connector or a field connector having a standard SC fitting.
8. A fiber optic connection assembly, comprising:
an optical fiber connector (1) which comprises,
-an inner bushing (10) comprising a first receiving cavity (101), and a buckle (102) and a claw (103) are respectively arranged at two ends of the inner bushing (10), and an open slot (104) which is communicated with the first receiving cavity (101) and used for clamping a cable (112) into the inner bushing (10) is arranged on the inner bushing (10) along the axial direction of the inner bushing;
-a connector (11) comprising a mating portion (111) and a cable (112) connected, the cable (112) being housed in the first housing cavity (101), the mating portion (111) being located outside the first housing cavity (101) and being engaged with the catch (102);
-a sealing plug (12) fitted over the cable (112) and snap-fitted with the jaws (103); and
-a connector housing (13) for fitting over the inner liner (10) to compress the sealing plug (12);
a fiber optic adapter (2) comprising,
-an adapter body (22) comprising a second housing cavity (201), the second housing cavity (201) comprising an input portion (222) and an output portion (223), the input portion (222) being connected to the connector housing (13), and a first clamping seat (224) being arranged in the input portion (222) and being clamped with the connector (11), an SC clamping seat (25) being detachably arranged in the output portion (223), and a lateral slide (225) being arranged on the side of the output portion (223) and being used for pushing in and mounting the SC clamping seat (25).
9. The fiber optic connection assembly of claim 8, wherein: the bottom of the SC clamping seat (25) is provided with a positioning column, and a positioning hole axially matched and positioned with the positioning column is arranged in the output part (223).
10. A fibre optic connection assembly according to claim 8 or 9 wherein: and a limiting buckle (226) is further arranged in the output part (223), and the limiting buckle (226) is used for clamping the end part of the SC clamping seat (25).
11. The fiber optic connection assembly of claim 8, wherein: the connector (11) is a standard SC connector or a field connector with a standard SC fitting, the catch (102) is configured to be snappable with the standard SC connector or the field connector with a standard SC fitting, and the first card holder (224) is an SC card holder.
12. A fiber optic connection assembly, comprising:
an optical fiber connector (1) which comprises,
-an inner bushing (10) comprising a first housing cavity (101), and one end of the inner bushing (10) being provided with a catch (102), the catch (102) being configured to engage with a standard SC connector or a field connector having a standard SC connector, the inner bushing (10) being provided with an open slot (104) along its axial direction, communicating with the first housing cavity (101), for a cable (112) to be caught in the inner bushing (10);
a fiber optic adapter (2) comprising,
-an adapter body (22) comprising a second housing cavity (201), said second housing cavity (201) comprising an input portion (222) and an output portion (223), said input portion (222) being connected to said fiber optic connector (1), and said input portion (222) having a first socket (224) therein adapted to be engaged with a standard SC connector or a field connector having a standard SC connector, said output portion (223) having a removable SC socket (25) therein, said output portion (223) having laterally arranged lateral slides (225) for laterally pushing in and mounting said SC socket (25).
13. The fiber optic connection assembly of claim 12, wherein: the bottom of the SC clamping seat (25) is provided with a positioning column, and a positioning hole axially matched and positioned with the positioning column is arranged in the output part (223).
CN202010075043.1A 2020-01-21 2020-01-21 Optical fiber connector, optical fiber adapter and optical fiber connecting assembly Active CN111258003B (en)

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