CN110600917A - Plug and connector - Google Patents
Plug and connector Download PDFInfo
- Publication number
- CN110600917A CN110600917A CN201811571030.2A CN201811571030A CN110600917A CN 110600917 A CN110600917 A CN 110600917A CN 201811571030 A CN201811571030 A CN 201811571030A CN 110600917 A CN110600917 A CN 110600917A
- Authority
- CN
- China
- Prior art keywords
- plug
- socket
- telescopic sleeve
- shell
- plugging
- 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.)
- Pending
Links
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
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to the field of connectors, in particular to a plug and a connector. The plug comprises a plug shell and a plug optical fiber contact element arranged in the plug shell, wherein a telescopic sleeve used for forming a closed plugging space before the plug and the socket are plugged is arranged on the periphery of the plugging end of the plug shell, the telescopic sleeve extends along the plugging direction of the plug, one end of the telescopic sleeve is fixed on the plug shell, and the other end of the telescopic sleeve is provided with a telescopic sleeve butt surface used for butting against a back plate of the socket shell or a fixed socket to form the closed plugging space. When the plug is plugged with the socket, the telescopic sleeve stretches until the plug is plugged with the socket, in the whole plugging process, the plugging ends of the plug and the socket are both in the closed plugging space, dust outside the closed plugging space cannot enter the plug and the socket due to air turbulence generated during plugging of the plug and the socket, the protection effect of the plug is improved, and the problem of poor protection effect of the plug at present is solved.
Description
Technical Field
The invention relates to the field of connectors, in particular to a plug and a connector.
Background
The inter-board connector is used for transmitting circuit signals and light path signals between the back board and the daughter board, the inter-board connector comprises a plug and a socket, the plug and the socket are respectively fixed on the back board and the daughter board during use, hard connection between the daughter board and the back board is realized, compared with a wire throwing type connection mode in the prior art, the connection mode of the back board and the daughter board has the problems of saving wiring space and convenience in installation and maintenance, in practical application, the back board is pre-installed in a cabinet, the socket on the back board generally needs to be pre-installed on the back board, and the plug on the daughter board is installed as required. The optical fiber transmission relates to the connection of optical fiber contacts of a daughter board and a back board, and the quality requirement of the end face of the optical fiber butt joint is high, so that the dustproof design is generally considered when the optical fiber butt joint is used, for example, the Chinese patent application with publication number CN105242356A and publication number 2016.01.13 discloses a connector assembly, the connector assembly comprises a plug and a socket, the front end of the socket housing is provided with a dustproof cover, the socket housing is also provided with an elastic driving mechanism for providing elastic force for the dustproof cover, the elastic driving mechanism comprises a direct-push spring and a force transmission piece which extend in the front-back direction, the direct-push spring and the force transmission piece provide overturning elastic force for the dustproof cover, so that pollutants such as dust and the like are prevented from entering the socket or the plug, but turbulence can be generated in the overturning process of the dustproof cover, and the relative motion between the plug housing and the socket housing can also generate turbulence at the periphery of, surrounding dust easily enters the socket and the plug under the turbulent flow effect, so that the problem of poor protection effect of the conventional connector is caused.
Disclosure of Invention
The invention aims to provide a plug, which aims to solve the problem of poor protection effect of the existing plug; in addition, the invention also aims to provide a connector to solve the problem that the protection effect of the existing connector is poor.
In order to achieve the purpose, the technical scheme of the plug is as follows: the plug comprises a plug shell and a plug optical fiber contact element arranged in the plug shell, wherein a telescopic sleeve used for forming a closed plugging space before the plug and the socket are plugged is arranged on the periphery of the plugging end of the plug shell, the telescopic sleeve extends along the plugging direction of the plug, one end of the telescopic sleeve is fixed on the plug shell, and the other end of the telescopic sleeve is provided with a telescopic sleeve butt surface used for butting against the socket shell or a back plate to form the closed plugging space.
The plug shell has the advantages that the telescopic sleeve is arranged on the plug shell, when the plug is plugged into the socket, the telescopic sleeve firstly forms a closed plugging space with the socket or a back plate of the fixed socket, when the plug is plugged into the socket, the telescopic sleeve stretches until the plug is plugged into the socket, in the whole plugging process, the plugging ends of the plug and the socket are both positioned in the closed plugging space, dust outside the closed plugging space cannot enter the plug and the socket due to air turbulence generated in the plugging process of the plug and the socket, the protection effect of the plug is improved, and the problem that the protection effect of the existing plug is poor is solved.
Furthermore, in order to further improve the protection effect, the plug shell is movably provided with a dustproof cover which is opened when the plug and the socket are oppositely plugged, dust which is not oppositely plugged between the plug and the socket is further prevented from entering through the dustproof cover, and meanwhile, partial dust in the telescopic sleeve can be prevented from entering the plug.
Furthermore, in order to fix the telescopic sleeve conveniently, a connecting flange is arranged on the plug shell, the telescopic sleeve is arranged on the connecting flange, the telescopic sleeve is convenient to fix, and meanwhile, the sealing effect is good.
Furthermore, in order to further facilitate fixing of the telescopic sleeve, a fixing groove for inserting the telescopic sleeve is formed in the plug shell, and the telescopic sleeve is fixed through the fixing groove, so that the telescopic sleeve is convenient to install.
Furthermore, the telescopic sleeve is an elastic corrugated telescopic sleeve, and is simple in structure and low in cost.
In order to achieve the purpose, the technical scheme of the connector is as follows: including plug and socket, the plug includes plug housing and sets up the plug fiber contact in plug housing, the socket includes socket housing and the socket fiber contact of setting in socket housing, plug housing's grafting end periphery is provided with and is used for forming the flexible cover that seals the plug and close the space before plug and socket are inserted and close, flexible cover extends along plug grafting direction, the one end of flexible cover is fixed on plug housing, the other end is equipped with and is used for the butt to insert the flexible cover butt face that closes the space in order to form to seal at socket housing or backplate.
The plug shell has the advantages that the telescopic sleeve is arranged on the plug shell, when the plug is plugged into the socket, the telescopic sleeve firstly forms a closed plugging space with the socket or a back plate of the fixed socket, when the plug is plugged into the socket, the telescopic sleeve stretches until the plug is plugged into the socket, in the whole plugging process, the plugging ends of the plug and the socket are both positioned in the closed plugging space, dust outside the closed plugging space cannot enter the plug and the socket due to air turbulence generated in the plugging process of the plug and the socket, the protection effect of the plug is improved, and the problem that the protection effect of the existing plug is poor is solved.
Furthermore, in order to further improve the protection effect, the plug shell and/or the socket shell are/is movably provided with a dustproof cover which is opened when the plug and the socket are oppositely plugged, so that dust which is not oppositely plugged between the plug and the socket is further prevented from entering through the dustproof cover, and meanwhile, partial dust in the telescopic sleeve can be prevented from entering the plug.
Furthermore, in order to fix the telescopic sleeve conveniently, a connecting flange is arranged on the plug shell, the telescopic sleeve is arranged on the connecting flange, the telescopic sleeve is convenient to fix, and meanwhile, the sealing effect is good.
Furthermore, in order to further facilitate fixing of the telescopic sleeve, a fixing groove for inserting the telescopic sleeve is formed in the plug shell, and the telescopic sleeve is fixed through the fixing groove, so that the telescopic sleeve is convenient to install.
Furthermore, the telescopic sleeve is an elastic corrugated telescopic sleeve, and is simple in structure and low in cost.
Drawings
FIG. 1 is a schematic structural view of a particular embodiment of the connector of the present invention;
FIG. 2 is a schematic diagram of another perspective of an embodiment of the connector of the present invention;
FIG. 3 is a schematic view of the plug of an embodiment of the connector of the present invention;
FIG. 4 is a schematic view of a plug of an embodiment of the connector of the present invention with the plug dust cap concealed;
FIG. 5 is a schematic view of the construction of the telescoping sleeve of the embodiment of the connector of the present invention;
in the figure: 1. a plug; 11. a plug housing; 12. a plug optical fiber contact; 13. a telescopic sleeve; 131. a telescopic sleeve abutting surface; 14. a connecting flange; 141. fixing grooves; 15. a plug dust cover; 2. a socket; 21. a socket housing; 22. a socket dust cover; 3. a back plate; 4. a daughter board.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 5, the connector of the present invention includes a plug 1 and a receptacle 2, the plug 1 includes a plug housing 11 and plug optical fiber contacts 12 disposed in the plug housing 11, the receptacle 2 includes a receptacle housing 21 and receptacle optical fiber contacts disposed in the receptacle housing 21, the connector in this embodiment is an MT connector, the corresponding optical fiber contacts of the plug 1 and the receptacle 2 are MT contacts, and in other embodiments, the connector may be other types of optical fiber connectors. In this embodiment, the socket 2 is fixed to the back plate 3, and the plug 1 is fixed to the daughter board 4.
In order to ensure the protection effect of the connector, in this embodiment, the plug housing 11 is fixedly bonded with the telescopic sleeve 13, the telescopic sleeve 13 extends along the plugging direction of the plug 1, the telescopic sleeve 13 in this embodiment is an elastic corrugated telescopic sleeve, the telescopic sleeve 13 is disposed at the periphery of the plugging end of the plug housing 11 and is used for forming a closed plugging space before the plug 1 and the socket 2 are plugged, one end of the telescopic sleeve 13 is fixed on the plug housing 11, and the other end of the telescopic sleeve is provided with a telescopic sleeve abutting surface 131 for abutting against the back plate 3 of the fixed socket 2 to form the closed plugging space. The plug housing 11 is provided with a connecting flange 14, the connecting flange 14 is provided with a fixing groove 141 for inserting the telescopic sleeve 13, and the telescopic sleeve 13 is fixed on the connecting flange 14. The telescopic sleeve 13 is an integrated corrugated telescopic sleeve, which is convenient to process and low in cost, and in other embodiments, the telescopic sleeve 13 can also be a sleeve body composed of a plurality of rigid telescopic joints. The telescopic sleeve 13 is bonded on the plug housing 11, so that the assembly efficiency of the telescopic sleeve 13 can be improved, and in other embodiments, the telescopic sleeve 13 can be pressed on the plug housing 11 through a pressing piece. The connecting flange 14 facilitates the installation of the telescopic sleeve 13, and in other embodiments, the telescopic sleeve 13 may be fixed on the front end surface of the housing by bonding under the condition that the thickness of the plug housing 11 meets the requirement. The fixing groove 141 is provided in this embodiment to facilitate positioning and fixing of the telescopic sleeve 13, and in other embodiments, a positioning hole or a positioning column that is in positioning fit with the telescopic sleeve 13 may be provided on the plug housing 11.
When plug 1 in this embodiment is pegged graft with socket 2, flexible cover 13 at first forms the closed space of inserting with backplate 3, when plug 1 pegs graft with socket 2, flexible cover 13 is flexible, accomplish until plug 1 pegs graft with socket 2, at whole grafting in-process, plug 1 all is in the closed space of inserting with socket 2's grafting end, the outer dust in closed space of inserting, for example dust on the daughter board or dust on the rack can not get into in plug 1 and socket 2 because the air vortex of production when plug 1 pegs graft with socket 2, the protective effect of connector has been improved.
In order to further improve the protective effect of connector, in this embodiment, all be provided with the shield on plug housing 11 and the socket housing 21, plug shield 15 on plug housing 11 is the shell fragment structure, plug shield 15 relies on the deformation of self to open or close, socket shield 22 on the socket housing 21 articulates on socket housing 21, socket shield opens when plug 1 and socket 2 are to inserting, socket shield top pressure plug shield pushes away plug shield, open completely until the shield on plug 1 and the socket 2, the vortex that two shields produced when opening can not produce the disturbance to the dust around the telescope tube 13 under the guard action of telescope tube 13, dust gets into when two shields can prevent that plug 1 and socket 2 are not to inserting simultaneously. In other embodiments, the plug 1 and the socket 2 may be provided with other types of dust covers in the prior art, such as the dust covers described in the references cited in the background. In other embodiments, when the requirement on the protection effect is not high, only one of the plug 1 and the socket 2 may be provided with the dust cap or both the dust caps may be omitted.
In other embodiments, the telescopic sleeve abutting surface 131 on the telescopic sleeve 13 may be abutted and matched with the socket housing 21 to form a closed insertion space, and in this case, a corresponding abutting flange may be provided on the socket housing 21. The plug 1 and the socket 2 in this embodiment are just relative, and in other embodiments, the plug 1 may be fixed on the back plate 3.
In the specific embodiment of the plug of the present invention, the structure of the plug in the embodiment is the same as that of the plug described in the specific embodiment of the connector, and details are not described again.
Claims (10)
1. The plug comprises a plug shell and a plug optical fiber contact element arranged in the plug shell, and is characterized in that: the plug shell is characterized in that a telescopic sleeve used for forming a closed plugging space before the plug and the socket are plugged is arranged on the periphery of the plugging end of the plug shell, the telescopic sleeve extends along the plugging direction of the plug, one end of the telescopic sleeve is fixed on the plug shell, and the other end of the telescopic sleeve is provided with a telescopic sleeve butt-joint surface used for butting against a back plate of the socket shell or a fixed socket to form the closed plugging space.
2. The plug of claim 1, wherein: and the plug shell is movably provided with a dustproof cover which is opened when the plug and the socket are oppositely inserted.
3. The plug of claim 1 or 2, wherein: the plug shell is provided with a connecting flange, and the telescopic sleeve is arranged on the connecting flange.
4. The plug of claim 1 or 2, wherein: and the plug shell is provided with a fixing groove for inserting the telescopic sleeve.
5. The plug of claim 1 or 2, wherein: the telescopic sleeve is an elastic corrugated telescopic sleeve.
6. The connector, including plug and socket, the plug includes plug housing and sets up the plug fiber contact in plug housing, and the socket includes socket housing and the socket fiber contact of setting in socket housing, its characterized in that: the plug comprises a plug shell and is characterized in that a telescopic sleeve used for forming a closed plugging space before a plug is plugged with a socket is arranged on the periphery of a plugging end of the plug shell, the telescopic sleeve extends along the plugging direction of the plug, one end of the telescopic sleeve is fixed on the plug shell, and the other end of the telescopic sleeve is provided with a telescopic sleeve butt-joint surface used for butting against a back plate of the socket shell or a fixed socket to form the closed plugging space.
7. The connector of claim 6, wherein: and the plug shell and/or the socket shell is/are movably provided with a dustproof cover which is opened when the plug and the socket are plugged.
8. The connector according to claim 6 or 7, wherein: the plug shell is provided with a connecting flange, and the telescopic sleeve is arranged on the connecting flange.
9. The connector according to claim 6 or 7, wherein: and the plug shell is provided with a fixing groove for inserting the telescopic sleeve.
10. The connector according to claim 6 or 7, wherein: the telescopic sleeve is an elastic corrugated telescopic sleeve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018107035264 | 2018-06-30 | ||
| CN201810703526 | 2018-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110600917A true CN110600917A (en) | 2019-12-20 |
Family
ID=68849254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811571030.2A Pending CN110600917A (en) | 2018-06-30 | 2018-12-21 | Plug and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110600917A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162363A (en) * | 2020-09-16 | 2021-01-01 | 上海航天科工电器研究院有限公司 | Optical fiber connector with dustproof interface sealing structure |
| CN112366618A (en) * | 2020-11-02 | 2021-02-12 | 合肥徽润电子科技有限公司 | High-voltage wire harness branching equipment for new energy automobile |
| CN114447683A (en) * | 2022-01-19 | 2022-05-06 | 中航光电科技股份有限公司 | Push-pull plug with double-layer protection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630043A (en) * | 2008-07-15 | 2010-01-20 | 努伊特里克公开股份有限公司 | Plug-in element for an optical plug connector |
| CN202474327U (en) * | 2012-03-11 | 2012-10-03 | 应瑛 | Safety plug |
| JP2015014708A (en) * | 2013-07-05 | 2015-01-22 | セイコーエプソン株式会社 | Projector |
| CN105242356A (en) * | 2015-08-31 | 2016-01-13 | 中航光电科技股份有限公司 | Socket and connector assembly |
| CN109921228A (en) * | 2017-12-12 | 2019-06-21 | 华为技术有限公司 | A kind of connecting element |
-
2018
- 2018-12-21 CN CN201811571030.2A patent/CN110600917A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630043A (en) * | 2008-07-15 | 2010-01-20 | 努伊特里克公开股份有限公司 | Plug-in element for an optical plug connector |
| CN202474327U (en) * | 2012-03-11 | 2012-10-03 | 应瑛 | Safety plug |
| JP2015014708A (en) * | 2013-07-05 | 2015-01-22 | セイコーエプソン株式会社 | Projector |
| CN105242356A (en) * | 2015-08-31 | 2016-01-13 | 中航光电科技股份有限公司 | Socket and connector assembly |
| CN109921228A (en) * | 2017-12-12 | 2019-06-21 | 华为技术有限公司 | A kind of connecting element |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162363A (en) * | 2020-09-16 | 2021-01-01 | 上海航天科工电器研究院有限公司 | Optical fiber connector with dustproof interface sealing structure |
| CN112366618A (en) * | 2020-11-02 | 2021-02-12 | 合肥徽润电子科技有限公司 | High-voltage wire harness branching equipment for new energy automobile |
| CN114447683A (en) * | 2022-01-19 | 2022-05-06 | 中航光电科技股份有限公司 | Push-pull plug with double-layer protection device |
| CN114447683B (en) * | 2022-01-19 | 2024-03-19 | 中航光电科技股份有限公司 | Push-pull plug with double-layer protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191220 |