CN107039840A - Connector - Google Patents
Connector Download PDFInfo
- Publication number
- CN107039840A CN107039840A CN201710197524.8A CN201710197524A CN107039840A CN 107039840 A CN107039840 A CN 107039840A CN 201710197524 A CN201710197524 A CN 201710197524A CN 107039840 A CN107039840 A CN 107039840A
- Authority
- CN
- China
- Prior art keywords
- fixture block
- connector
- plug
- socket
- neck
- 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.)
- Granted
Links
Classifications
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6271—Latching means integral with the housing
- H01R13/6273—Latching means integral with the housing comprising two latching arms
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The present invention relates to a kind of connector, including the locked by hooks structure on connector and the connector contact with elastic component, also include auxiliary locking mechanism, auxiliary locking mechanism is included along being movably arranged on fixture block on connector plug or socket perpendicular to the direction in connector plugging direction, in addition to be arranged in plug and socket another on confession fixture block clamping neck；Fixture block or neck are provided with the separation guide surface being additionally provided with the clamping guide surface for being used for guiding fixture block to enter neck when connector is plugged together, fixture block or neck for guiding fixture block to be removed from neck when connector is separated；Auxiliary locking mechanism also includes being used to fixture block is provided towards the active force of neck to overcome the elastic construction of the elastic force of elastic component on contact；By aiding in locking mechanism to make connector remain to keep plugging state when locked by hooks structure is touched opening by mistake, the security performance of connector is added.
Description
Technical field
The present invention relates to a kind of connector, more particularly to a kind of locked by hooks connector.
Background technology
Common locking mode has rack locking, without locking direct-plug, locked by hooks etc. on connector；Publication No. is
CN102623846A, date of publication disclose a kind of connector quick locking structure for 2012.08.01 Chinese invention patent application, should
Locking mechanism is locked by hooks, including plug and socket, is hinged with hook, plug and is additionally provided with for providing hook on plug
On the torsion spring of elastic force, socket the position corresponding with hook be provided with bolt, bolt head close to hook, bolt head formed for
Link up with the block coordinated.When being plugged together to plug and socket, one end of the remote bolt head of hook is pressed, linked up with another
Hold and opened on the outside of plug, now insert a plug on socket and treat to unclamp hook after the completion of grafting, hook is in torsion spring elasticity
The interval moved and be finally connected between bolt head and socket side wall into plug in the presence of power, realizes plug and socket
Locking along on both axial directions；When splitting plugs and sockets, hook is pressed, when hook is separated with bolt head completely,
Plug is extracted from socket.
But for photoelectric mixed connector, in connector shell by user's request mixing arrangement optical fiber contact,
Common low frequency contact and high frequency coaxial class contact, due to operating space and use environment limitation, user requires connection utensil
There is a low connect-disconnect force, good merging precision, and optical fiber contact in connector contains spring, is realized when using by spring-compressed
Fiber end face contact transmission fiber-optic signal.The locking mechanism commonly used on photoelectric mixed connector is locked by hooks, but connector
In use, hook is easily touched by mistake, hook is touched by mistake after, and plug and socket is easily in the spring of optical fiber contact
Separated in the presence of elastic force, cause Joint failure, be unfavorable for the normal work of connector.
The content of the invention
It is an object of the invention to provide a kind of connector, to solve the locked by hooks of existing connector on the connectors
During failure, the problem of connector easy Joint failure.
To achieve the above object, the technical scheme of connector of the invention is：Connector includes the hook look on connector
Locking structure and the connector contact with elastic component, in addition to auxiliary locking mechanism, auxiliary locking mechanism include along perpendicular to
The direction in connector plugging direction is movably arranged on the fixture block on connector plug or socket, in addition to is arranged on plug and socket
In another on confession fixture block clamping neck；Fixture block or neck, which are provided with, to be used to guide fixture block to enter when connector is plugged together
Point for guiding fixture block to be removed from neck when connector is separated is additionally provided with the clamping guide surface of neck, fixture block or neck
From guide surface；Auxiliary locking mechanism also includes being used to fixture block is provided towards the active force of neck to overcome elastic component on contact
Elastic force elastic construction.
Described fixture block is assemblied on socket side wall along perpendicular to connector plugging direction guiding, the close socket axle of fixture block
One end of line forms the top pressure end for coordinating with neck top pressure.
Described top pressure end is tapered end, and tapered end has in two inclined planes arranged in a crossed manner, two inclined planes in connector
The inclined plane of plug orientation socket object inserted terminal formed described clamping guide surface, another in connector plugging direction dorsad
The inclined plane of socket inserted terminal forms described separation guide surface.
Clamping guide surface is less than the angle for separating guide surface and connector plugging axis with the angle of connector plugging axis.
Described locked by hooks structure includes the clevis arm being hinged on plug and the fixed block being arranged on socket,
The front section of the close plug inserted terminal of clevis arm be arranged in parallel with plug sidewalls, the tail of the remote plug inserted terminal of clevis arm
Section is partially toward lateral bend in plug, and plug sidewalls are provided with the escape groove for being used for avoiding the bending of clevis arm endpiece.
Clevis arm endpiece is in plug circumferentially in escape groove notch.
What described locked by hooks structure included the clevis arm being hinged on plug and fixation and protruded is arranged on socket
Block, block be provided with for the fixture block be oriented to install fixture block slot, fixture block slot insertion socket madial wall, fixture block slot
Cell wall on be provided with the turn edge for being used for coordinating with fixture block block in the position of the notch on the inside of the slot, turn edge is provided with supplying
The stretching hole that the top pressure end of fixture block is stretched out.
Described elastic construction includes the spring base being arranged in fixture block slot and is folded between fixture block and spring base
Spring.
Described fixture block slot is the groove of insertion block, and described spring base is arranged at the exterior notch of fixture block slot.
The beneficial effects of the invention are as follows：The plug and socket on connector is being plugged together into certain depth to inserting when using
When, fixture block is first produced along the sliding perpendicular to connector plugging direction under the guiding of clamping guide surface, treats that plug and socket is inserted
Fixture block is moved on the inside of neck the clamping realized to neck when being connected to；It can effectively prevent locked by hooks on the connectors from losing
Plug is connected the elastic component ejection on device contact during effect；When needing to split connector, first by connector
Locked by hooks is released, then applies withdrawal force to plug, and fixture block is under the guiding of separation guide surface to moving on the outside of neck and finally
Removed completely from neck, realize the complete unblock to connector.
Further, clamping guide surface is less than with the angle of connector plugging axis separates guide surface and connector plugging axle
The angle of line；The less clamping guide surface in inclination angle can reduce when connector is plugged together fixture block to the resistance produced by connector grafting
Power.
Further, locked by hooks structure includes clevis arm and block, and clevis arm endpiece is towards lateral bend in plug, plug
Side wall is provided with escape groove, and clevis arm endpiece is in plug circumferentially on the inside of escape groove；The notch of escape groove is higher than clevis arm tail
Portion, is protected to clevis arm afterbody, and reduction clevis arm is touched the probability of unblock by mistake.
Further, locked by hooks structure includes the block that clevis arm and protrusion are set, and fixture block is inserted along perpendicular to connector
Pull out direction guiding to be inlaid in the fixture block slot on block, the cell wall of fixture block slot is provided with for fixture block block coordinating
Turn edge, turn edge is provided with the stretching hole stretched out for fixture block top pressure end.
Brief description of the drawings
Fig. 1 is structural representation of the specific embodiment of the connector of the present invention in disassembled form；
Fig. 2 be Fig. 1 in plug structural representation；
Fig. 3 be Fig. 2 in clevis arm structural representation；
Fig. 4 be Fig. 1 in socket structural representation；
Fig. 5 is the enlarged drawing at the A in Fig. 2；
Fig. 6 be Fig. 5 in fixture block structural representation.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the connector of the present invention, as shown in Figures 1 to 6, the connector in the present embodiment are rectangular light
The section of electric mixed loading connector, including plug 1 and socket 2, plug 1 and the grafting part of socket 2 is rectangle, plug 1 and socket 2
Between contact include optical fiber contact, common low frequency contact, high frequency coaxial contact, the setting form of all kinds of contacts
For prior art, repeat no more；In addition, it is that plug 1 is set up in parallel provided with two or more, along the axially extending metal of plug 1
Pilot pin 6, corresponding socket 2 is provided with the floating package parts 7 for the correspondence grafting of each metal pilot pin 6.
Provided with two layers of locking mechanism on connector plugging direction on connector, first layer locking mechanism is hook look tight knot
Structure, second layer locking mechanism is to overcome the spring force on optical fiber contact to be maintained at connector in locked by hooks structural failure
Plug together the auxiliary locking mechanism of position.The clevis arm 3 that locked by hooks structure includes being hinged in the peripheral outer wall of plug 1 is set with fixed
The block 21 on socket 2 is put, the left end of plug 1 is to be coated with inserted terminal, the hinge that clevis arm 3 is articulated and connected with plug 1
Torsion spring 5.
One end of the inserted terminal of close plug 1 of clevis arm 3 is provided with the hook 31 of the inner side of plug 1 turnover, clevis arm 3 with
The pin joint of plug 1 is close to hook 31；The leading portion 32 of the inserted terminal of close plug 1 of clevis arm 3 is set with the outside wall parallel of plug 1, is hung
The endpiece 33 of hook arm 3 is provided with the escape groove 12 for being used for avoiding clevis arm endpiece 33 towards lateral bend in plug 1, the side wall of plug 1.
Escape groove 12 is dovetail groove, and the notch 13 of dovetail groove 12 is circumferential higher than beyond hook endpiece 33 in plug 1, with trapezoidal
Groove notch 13 is protected to clevis arm afterbody 33, and reduction clevis arm 3 is touched the probability of unblock by mistake.
The front end face of the inserted terminal of close plug 1 of clevis arm 3 is inclined plane, and inclined plane is in the plug orientation of plug 1 by outer
In, from top to bottom tilt；The leading flank of the inserted terminal of close socket 2 of block 21 is towards the outer oblique of the inserted terminal of socket 2 extension
Face, the trailing flank of the inserted terminal of dorsad socket 2 of block 21 is the outer inclined-plane to the inner recess of block 21.
Described auxiliary locking mechanism includes the fixture block 41 being inlaid in along being oriented to perpendicular to the grafting direction of socket 2 in block 21
With the elastic construction for applying the active force towards the inner side of socket 2 to fixture block 41；The circumferential wall of plug 1, which is provided with, to be used in connection
Device plugs together the neck 11 being engaged by clamping when in place with fixture block 41, and block 21 is provided with the fixture block slot that assembling is oriented to for fixture block 41
23。
One end towards the inner side of socket 2 of fixture block 41 is the top pressure end for coordinating with the top pressure of neck 11, elastic construction bag
The spring base 42 set close to the outside of block 21 is included, spring base 42 is threadedly coupled or is glued with block 21；Spring base 42 and card
The positioning for the two ends insertion positioning that ammunition feed spring 43 is respectively equipped with spring 43, fixture block 41 and spring base 42 is folded between block 41
Groove.The cell wall of the inboard portion of close socket 2 of fixture block slot 23 is provided with the turn edge for being used for coordinating with the block of fixture block 41, varus
Along provided with the punched out passed for the top pressure end of fixture block 41.
The top pressure end of fixture block 41 is tapering point, and tapering point has two inclined planes arranged in a crossed manner, respectively inclined plane 411
With inclined plane 412；Inclined plane 411 in the plug orientation of socket 2 towards socket 2 inserted terminal, when using the inclined-plane be used for insert
The end face of first 1 inserted terminal coordinates to guide fixture block 41 to enter neck 11, the formation clamping guide surface of inclined plane 411.Inclined plane 412 exists
The dorsad inserted terminal of socket 2 in the plug orientation of socket 2, the inclined-plane is used to coordinate so that fixture block 41 with the notch of neck 11 when using
It can be removed from neck 11, the formation separation guide surface of inclined plane 412.
Clamping guide surface 411 is less than with the angle of the grafting axis of socket 2 separates guide surface 412 and the grafting axis of socket 2
Angle；The less clamping guide surface 411 in inclination angle can reduce fixture block 41 to the resistance produced by connector grafting；Separation guiding
The angle of inclination in face 412 determines that i.e. elastic component elastic force is larger, then according to the size of the elastic force of the elastic component on correspondence contact
Separation guide surface 412 is arranged to larger angle of inclination；Elastic component elastic force is smaller, then will separation guide surface 412 be arranged to compared with
Small angle of inclination.
The use process of the connector of the present invention：When being plugged together to connector, the active force of torsion spring 5 is overcome in hook
Pressed at endpiece 33, open the leading portion 31 of hook 3, plug 1 is inserted into socket 2, the inwall of the outer wall of plug 1 and socket 2 is first
Metal pilot pin 6 on contact, next plug 1 is inserted into the floating package parts 7 on socket 2, to the optical fiber contact on socket 2
The position of part is corrected, then the contact jack docking corresponding with socket 2, light respectively again of each contact on plug 1
Contact spring on fine contact is compressed.After plug 1 plug together in place afterwards hook is unclamped, hook is multiple in the presence of torsion spring
Position, hook front end is stuck in the side of the dorsad plug of block, and extracts the cooperation of direction block along plug with block.
During plugging together, after plug 1 inserts certain depth, the end of the inserted terminal of plug 1 is to the clamping on fixture block 41
Guide surface 411 is pressed, and fixture block 41 is compressed to inside block 21, and spring 43 is compressed, when plug 1 is plugged together in place, on plug 1
Neck 11 be moved to the position corresponding with fixture block 41, fixture block 41 stretches out under spring force and top pressure is in neck 11
On, fixture block 41 coordinates with neck 11 along the plug orientation of plug 1 formation block.
When needing to split connector, first locked by hooks structure is released, withdrawal force then is applied to plug 1,
The cell wall of neck 11 presses to the separation guide surface 412 on fixture block 41, and fixture block 41 is mobile and final complete towards the outside of block 21
Removed from neck 11, fixture block 41 is retracted into block 21 again, auxiliary locking mechanism is also touched, and connector can be inserted normally
Pull out.
During connector use, if hook 3 is caused locked by hooks structure to release by false touch, plug 1 is in fixture block 41
Coordinate the lower elastic force that can overcome the elastic component on optical fiber contact with the block of neck 11 and keep plugging together；Connector keeps connecting
Connect, connector work is safer.
In other embodiments, due to clevis arm close plug inserted terminal front end face be inclined plane, block it is close
The end face of socket inserted terminal is roughly the same with the incline direction of clevis arm front end face, and when connector is plugged together, block end face can be straight
Connect and shore out clevis arm front end, be not required to press to clevis arm, clevis arm can be achieved and the automatic of block plugs together.
In other embodiments, fixture block can also be arranged on the support arm on socket inner walls, the pars intermedia of support arm
Point it is connected with socket resilient, the elastic force being moved through produced by support arm generation elastic deformation of fixture block drives when using；
When connector is plugged together, support arm is by towards press-bending on the outside of socket, and fixture block is moved with support arm；Device to be connected is plugged together in place
When, support arm replys deformation, and fixture block together resets with support arm and snapped fit onto in the neck on plug, realizes clamping.
In other embodiments, clamping guide surface can be inserted by fixture block top pressure end along connector grafting direction socket object
The inclined plane for connecing end is formed, neck along connector grafting direction dorsad plug inserted terminal of the separation guide surface on neck inwall
Inwall is formed.
In other embodiments, fixture block can be arranged on plug, neck is arranged on socket, while can also be by
Neck inwall sets wedgewise inwall, and fixture block top pressure end is arranged to the planar ends parallel with connector grafting axis.
In other embodiments, the angle in the guide section on fixture block top pressure end and connector plugging direction can also be equal to or
More than sheathing section and the angle in connector plugging direction.
In other embodiments, connector can also be that plug connector on cylinder shape connector, connector can also be wrapped only
Include optical fiber plug connector or only include the contact of other flexible parts.
Claims (9)
1. the locked by hooks structure on connector, including connector and the connector contact with elastic component, it is characterised in that：
Also include auxiliary locking mechanism, auxiliary locking mechanism includes edge and is movably arranged on connection perpendicular to the direction in connector plugging direction
Fixture block on device plug or socket, in addition to be arranged in plug and socket another on confession fixture block clamping neck；Card
Block or neck are provided with the clamping guide surface for being used for guiding fixture block to enter neck when connector is plugged together, fixture block or neck and also set
There is the separation guide surface for guiding fixture block to be removed from neck when connector is separated；Aid in locking mechanism also include be used for pair
Fixture block provides towards the active force of neck to overcome the elastic construction of the elastic force of elastic component on contact.
2. connector according to claim 1, it is characterised in that：Led perpendicular to connector plugging direction on described fixture block edge
To being assemblied on socket side wall, one end of the close socket axis of fixture block forms the top pressure end for coordinating with neck top pressure.
3. connector according to claim 2, it is characterised in that：Described top pressure end is tapered end, and tapered end has two
Inclined plane in inclined plane arranged in a crossed manner, two inclined planes in connector plugging direction socket object inserted terminal forms described card
Connect guide surface, another described separation guide surface is formed in the inclined plane of connector plugging direction dorsad socket inserted terminal.
4. connector according to claim 3, it is characterised in that：The angle of clamping guide surface and connector plugging axis is small
In the angle of separation guide surface and connector plugging axis.
5. the connector according to any one of Claims 1-4, it is characterised in that：Described locked by hooks structure includes hinge
The clevis arm and the fixed block being arranged on socket being connected on plug, the front section of the close plug inserted terminal of clevis arm
It is be arranged in parallel with plug sidewalls, the tail portion of the remote plug inserted terminal of clevis arm is towards lateral bend in plug, plug sidewalls
It is provided with the escape groove for being used for avoiding the bending of clevis arm endpiece.
6. connector according to claim 5, it is characterised in that：Clevis arm endpiece is circumferentially in escape groove notch in plug
It is interior.
7. the connector according to any one of claim 2 to 4, it is characterised in that：Described locked by hooks structure includes hinge
The clevis arm being connected on plug and fixation and the block being arranged on socket of protrusion, block is provided with is oriented to peace for the fixture block
In the position close to notch on the inside of slot on the fixture block slot of dress, fixture block slot insertion socket madial wall, the cell wall of fixture block slot
Provided with the turn edge for coordinating with fixture block block, turn edge is provided with the stretching hole stretched out for the top pressure end of fixture block.
8. connector according to claim 7, it is characterised in that：Described elastic construction includes being arranged in fixture block slot
Spring base and the spring that is folded between fixture block and spring base.
9. connector according to claim 8, it is characterised in that：Described fixture block slot is the groove of insertion block, institute
The spring base stated is arranged at the exterior notch of fixture block slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197524.8A CN107039840B (en) | 2017-03-29 | 2017-03-29 | Connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197524.8A CN107039840B (en) | 2017-03-29 | 2017-03-29 | Connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107039840A true CN107039840A (en) | 2017-08-11 |
| CN107039840B CN107039840B (en) | 2019-10-08 |
Family
ID=59533336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710197524.8A Active CN107039840B (en) | 2017-03-29 | 2017-03-29 | Connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107039840B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830848A (en) * | 2019-03-29 | 2019-05-31 | 四川华丰企业集团有限公司 | Modular structure and high speed connector for high speed connector |
| CN113727552A (en) * | 2021-08-13 | 2021-11-30 | 南京开关厂有限公司 | Anti-condensation control device |
| CN113835161A (en) * | 2021-09-30 | 2021-12-24 | 杭州润州光电技术有限公司 | Optical fiber connector, optical fiber adapter, optical fiber connector and fiber distribution box |
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| CN101420081A (en) * | 2007-10-27 | 2009-04-29 | 贵州航天电器股份有限公司 | Be applied to the quick locking and the separating mechanism of coaxial electric coupler |
| CN101901992A (en) * | 2010-09-03 | 2010-12-01 | 贵州航天电器股份有限公司 | Adjustable-type self-holding rectangular electrical connector |
| CN102377063A (en) * | 2010-08-10 | 2012-03-14 | 富士康(昆山)电脑接插件有限公司 | Electric connector assembly and plug connector assembly thereof |
| CN102623846A (en) * | 2012-05-04 | 2012-08-01 | 上海航天科工电器研究院有限公司 | Fast locking structure of connector |
| CN105006697A (en) * | 2015-06-19 | 2015-10-28 | 中国航天时代电子公司 | Rectangular connector |
| CN106356687A (en) * | 2016-09-26 | 2017-01-25 | 南京金龙客车制造有限公司 | Wiring plug-in for flexible solar cell panel |
| CN205985373U (en) * | 2016-07-29 | 2017-02-22 | 常州赛华汉诚电子有限公司 | Connecting wire adapter |
-
2017
- 2017-03-29 CN CN201710197524.8A patent/CN107039840B/en active Active
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|---|---|---|---|---|
| CN101420081A (en) * | 2007-10-27 | 2009-04-29 | 贵州航天电器股份有限公司 | Be applied to the quick locking and the separating mechanism of coaxial electric coupler |
| CN102377063A (en) * | 2010-08-10 | 2012-03-14 | 富士康(昆山)电脑接插件有限公司 | Electric connector assembly and plug connector assembly thereof |
| CN101901992A (en) * | 2010-09-03 | 2010-12-01 | 贵州航天电器股份有限公司 | Adjustable-type self-holding rectangular electrical connector |
| CN102623846A (en) * | 2012-05-04 | 2012-08-01 | 上海航天科工电器研究院有限公司 | Fast locking structure of connector |
| CN105006697A (en) * | 2015-06-19 | 2015-10-28 | 中国航天时代电子公司 | Rectangular connector |
| CN205985373U (en) * | 2016-07-29 | 2017-02-22 | 常州赛华汉诚电子有限公司 | Connecting wire adapter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830848A (en) * | 2019-03-29 | 2019-05-31 | 四川华丰企业集团有限公司 | Modular structure and high speed connector for high speed connector |
| CN109830848B (en) * | 2019-03-29 | 2023-12-05 | 四川华丰科技股份有限公司 | Module structure for high-speed connector and high-speed connector |
| CN113727552A (en) * | 2021-08-13 | 2021-11-30 | 南京开关厂有限公司 | Anti-condensation control device |
| CN113835161A (en) * | 2021-09-30 | 2021-12-24 | 杭州润州光电技术有限公司 | Optical fiber connector, optical fiber adapter, optical fiber connector and fiber distribution box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107039840B (en) | 2019-10-08 |
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