CN107834324A - A kind of explosion-proof connector - Google Patents
A kind of explosion-proof connector Download PDFInfo
- Publication number
- CN107834324A CN107834324A CN201711044356.5A CN201711044356A CN107834324A CN 107834324 A CN107834324 A CN 107834324A CN 201711044356 A CN201711044356 A CN 201711044356A CN 107834324 A CN107834324 A CN 107834324A
- Authority
- CN
- China
- Prior art keywords
- male
- connector
- main contacts
- auxiliary contact
- female
- 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.)
- Withdrawn
Links
- 238000009413 insulation Methods 0.000 claims description 19
- 238000004880 explosion Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
- H01R27/02—Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts
-
- 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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- 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
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
Abstract
The present invention discloses a kind of explosion-proof connector, including connector male head shell and connector female end shell, auxiliary contact male and main contacts male are provided with the connector male head shell, the auxiliary contact female being engaged with the auxiliary contact male and the main contacts female being engaged with the main contacts male are provided with the connector female end shell, the auxiliary contact male and the auxiliary contact female are respectively connected with auxiliary contact cable, the main contacts male and the main contacts female are respectively connected with main contacts cable, and the stroke of the auxiliary contact male is less than the stroke of the main contacts male.Explosion-proof connector provided by the invention has auxiliary contact, can indirect control main contacts for power-off, because the stroke of auxiliary contact male is less than the stroke of main contacts male, auxiliary contact disconnect prior to main contacts, realize that main contacts powers off in the case where main contacts does not turn off, make the work of explosion-proof connector more safe and reliable and simple to operate.
Description
Technical field
The present invention relates to explosion-protection equipment technical field, more particularly to a kind of explosion-proof connector.
Background technology
With the development of social economy and industrial technology, the industry field such as coal, petrochemical industry is developing rapidly, coal,
Practicality and security requirement more and more higher of the industry fields such as petrochemical industry to antiknock device.
Current explosion-proof connector principal mode is plug-in, and the contact female and contact male of explosion-proof connector are separation
It is opening, it is necessary to when working, contact female and contact male are inserted into together, switched on power, you can is operated;But due to it
Other equipment of the power supply outside explosion-proof connector, existing explosion-proof connector are merely able to contact when needing power-off
Female and contact male pull away completely, can realize fully powered-off state, certain risk, and existing explosion-proof company be present
Device is connect in working condition, the contact female and contact male to contact with each other is merely able to conduct single electric current, functionally has
Significant limitation, make the use of explosion-proof connector very inconvenient.
Therefore, how a kind of power outage security and the stronger explosion-proof connector of feature are provided, be those skilled in the art urgently
Technical problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of power outage security and the stronger explosion-proof connector of feature, can not cut off it is outer
The contact of explosion-proof connector is disconnected in the case of portion's power supply, conveniently, safely.
In order to solve the above technical problems, the present invention provides a kind of explosion-proof connector, including connector male head shell and connection
Device female shell, auxiliary contact male and main contacts male, the connector female end are provided with the connector male head shell
It is provided with the auxiliary contact female being engaged with the auxiliary contact male in shell and is engaged with the main contacts male
Main contacts female, the auxiliary contact male and the auxiliary contact female are respectively connected with auxiliary contact cable, the main contacts
Male and the main contacts female are respectively connected with main contacts cable, and the stroke of the auxiliary contact male is less than the main contacts
The stroke of male.
Preferably, in addition to it is arranged on the connector female end shell, for installing the auxiliary of the auxiliary contact cable
Help contact anti-explosion cable joint.
Preferably, it is additionally provided with the connector female end shell explosion-proof for the main contacts of installing the main contacts cable
Cable connector.
Preferably, in addition to it is arranged in the connector female end shell, for fixing the auxiliary of the auxiliary contact female
Help contact female insulation fixed cover.
Preferably, the main contacts female for fixing the main contacts female is additionally provided with the connector female end shell
Insulate fixed cover.
Preferably, in addition to it is arranged in the connector male head shell, for fixing the auxiliary of the auxiliary contact male
Help contact male insulation fixed cover.
Preferably, the main contacts male for fixing the main contacts male is additionally provided with the connector male head shell
Insulate fixed cover.
Preferably, in addition to connector fixed cover, connector male head fixing screws and female stop screw;The connector
Installation waist hole and mounting groove are provided with fixed cover, the female stop screw coordinates with the installation waist hole, so that the company
Connect device female shell and limit installation, the connector male head fixing screws and the peace is fixedly mounted with the connector fixed cover
Tankage is engaged by clamping, so that the connector male head shell is detachably connected with the connector fixed cover.
Explosion-proof connector provided by the present invention, mainly include connector male head shell and connector female end shell, connect
Auxiliary contact male and main contacts male are provided with device male shell, is provided with connector female end shell public with auxiliary contact
The head auxiliary contact female being engaged and the main contacts female being engaged with main contacts male, auxiliary contact male and auxiliary contact
Female is respectively connected with auxiliary contact cable, and main contacts male and main contacts female are respectively connected with main contacts cable, and auxiliary contact
The stroke of male is less than the stroke of main contacts male.Explosion-proof connector provided by the invention has auxiliary contact, can control indirectly
The external power source of main contacts power supply is made as, when pulling off explosion-proof connector, because the stroke of auxiliary contact male is less than main contacts
The stroke of male, auxiliary contact are disconnected prior to main contacts, and main contacts can be made to reach main contacts power-off in the case where not turning off
Effect, make the work of explosion-proof connector more safe and reliable and simple to operate;Meanwhile under explosion-proof connector working condition, by
In auxiliary contact and main contacts be different circuits, so, when main contacts is in running order, auxiliary contact can realize conduction
The effect of different electric currents, make the feature of explosion-proof connector provided by the invention stronger.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of overall structure diagram of embodiment provided by the present invention;
Fig. 2 is the structural representation being off of the device shown in Fig. 1;
Wherein, in Fig. 1-Fig. 2:
Auxiliary contact cable -1, auxiliary contact anti-explosion cable joint -2, the first auxiliary contact insulating washer -3, the second
Auxiliary contact insulating washer -4, auxiliary contact cable fixing bolt -5, auxiliary contact female insulation fixed cover -6, auxiliary are touched
Point female -7, auxiliary contact male insulating washer -8, auxiliary contact male -9, connector male head shell -10, auxiliary contact
Male insulation fixed cover -11, connector fixed cover -12, main contacts male insulating washer -13, the insulation of main contacts male are fixed
Set -14, connector male head fixing screws -15, main contacts male -16, main contacts female insulation fixed cover -17, the first master
Contact female insulation retaining washer -18, female stop screw -19, the second main contacts female insulation retaining washer -20 are main to touch
Point female -21, connector female end shell -22, main contacts anti-explosion cable joint -23, main contacts cable -24, axle elasticity
Back-up ring -25.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1 and Fig. 2 are refer to, Fig. 1 is a kind of overall structure diagram of embodiment provided by the present invention;Figure
2 be the structural representation being off of the device shown in Fig. 1.
In a kind of embodiment provided by the present invention, explosion-proof connector mainly includes connector male head shell 10
With connector female end shell 22, auxiliary contact male 9 and main contacts male 16, connector are provided with connector male head shell 10
The auxiliary contact female 7 being engaged with auxiliary contact male 9 is provided with female shell 22 and is engaged with main contacts male 16
Main contacts female 21, auxiliary contact male 9 and auxiliary contact female 7 are respectively connected with auxiliary contact cable 1, main contacts male 16
Main contacts cable 24 is respectively connected with main contacts female 21, and the stroke of auxiliary contact male 9 is less than the row of main contacts male 16
Journey (L is progressive error in Fig. 2).
Wherein, auxiliary contact cable 1 is entered in connector explosion-proof chamber by auxiliary contact anti-explosion cable joint 2, is aided in
Contact cable fixing bolt 5 is fixed;Auxiliary contact anti-explosion cable joint 2 is threadably secured with connector female end shell 22 to be connected
Form threaded flame-proof type;First auxiliary contact insulating washer 3 and the second auxiliary contact insulating washer 4 are by auxiliary contact female fixed cover
6 and auxiliary contact female 7 be fixed on connector female end shell 22;Auxiliary contact male fixed cover 11 is exhausted with the second auxiliary contact
Auxiliary contact male fixed cover 8 and auxiliary contact male 9 are fixed on connector male head shell 10 by edge packing ring 4;Auxiliary contact
Cable 1 is entered in connector explosion-proof chamber by auxiliary contact anti-explosion cable joint 2 to be connected with auxiliary contact male 9.So, aid in
Contact female 7 and auxiliary contact male 9 are just isolated in connector explosion-proof chamber, are not in contact with outside air, can be played
Good flame proof effect.
Main contacts cable 21 by main contacts anti-explosion cable joint 23 enter connector explosion-proof chamber in main contacts female 21
Riveted;Main contacts anti-explosion cable joint 23 is threadably secured to be connected to form threaded flame-proof type with connector female end shell 22;First
Main contacts female insulation retaining washer 18 and second main contacts female insulate retaining washer 20 by connector female end 22
Circlip for shaft 25 is clamped, and main contacts female insulation fixed cover 17 is connected through a screw thread fixation with connector female end shell 22,
So that main contacts female 21 is fixed on connector female end shell 22;Main contacts male insulation fixed cover 14 and main contacts male
Insulating washer 13 clamps the circlip for shaft 25 in main contacts male 16, and main contacts male insulate fixed cover 14 with being connected
Device male shell 10 is connected through a screw thread fixation, so that main contacts male 16 is fixed on connector male head shell 10;It is main to touch
Point cable 21 by main contacts anti-explosion cable joint 23 enter connector explosion-proof chamber in the riveted of contact male 16.So, master helps
Contact female 7 and main contacts male 9 are just isolated in connector explosion-proof chamber, are not in contact with outside air, can be played very
Good flame proof effect.
Specifically, in explosion-proof connector working condition, as shown in figure 1, auxiliary contact female 7 and auxiliary contact male 9
In contact connection status, while main contacts female 21 and main contacts male 16 are in contact connection status, make explosion-proof connector
Normal work;When needing to disconnect explosion-proof connector, because connector female end shell 22 is fixed by female stop screw 19, institute
So that only connector male head shell 10 need to be extracted.In withdrawal process, main contacts male 16 and main contacts female 21 are slowly
Depart from, meanwhile, auxiliary contact male 9 slowly departs from auxiliary contact female 7, because the stroke of auxiliary contact male 9 is less than master
The stroke of contact male 16, the i.e. length of auxiliary contact male 9 are less than the length of main contacts male 16, so extracting necessarily
(this length is more than the length of auxiliary contact male 9, less than the length of main contacts male 16), the He of auxiliary contact male 9 during length
Auxiliary contact female 7 completely disengages, but now, main contacts male 16 and main contacts female 21 also without departing from, as shown in Fig. 2
Again because auxiliary contact control the external power source to main contacts power supply, so now reaching main contacts electricity due to dump
The purpose of source cut-out, explosion-proof connector provided by the invention make explosion-proof work safer reliable and simple to operate.
In order to optimize the security of explosion-proof connector in above-described embodiment, it is additionally provided with connector female end shell 22 auxiliary
Contact female insulation fixed cover 6 is helped, for fixing auxiliary contact female 7;Main touch is additionally provided with connector female end shell 22
Point female insulation fixed cover 17, for fixing main contacts female 21, makes whole auxiliary contact and main contacts are in the external world and isolates
State, makes the work of explosion-proof connector more have security.
Further, connector male head shell 10 is provided with auxiliary contact male insulation fixed cover 11, it is auxiliary for fixing
Contact male 9 is helped, main contacts male insulation fixed cover 14 is provided with connector male head shell 10, for fixing main contacts public affairs
First 16, make the isolation effect of explosion-proof connector more preferable, further ensure the job security of explosion-proof connector.
It should be noted that be provided with installation waist hole and mounting groove on connector fixed cover 12, female stop screw 19 with
Waist hole is installed to coordinate, so that connector female end shell 22 (only can be along waist hole with the fixed installation limit installation of connector fixed cover 12
Rotate);Connector male head fixing screws 15 are engaged by clamping with mounting groove, so that connector male head shell 10 and connector fixed cover
12 are detachably connected, so so that connector male head shell 10 can be plugged freely in connector female end shell, make operation more
Simply.
In summary, the explosion-proof connector that the present embodiment is provided mainly includes connector male head shell 10 and connector is female
Head shell 22, is provided with auxiliary contact male 9 and main contacts male 16, connector female end shell 22 in connector male head shell 10
Inside it is provided with the auxiliary contact female 7 being engaged with auxiliary contact male 9 and the main contacts being engaged with main contacts male 16 is female
First 21, auxiliary contact male 9 and auxiliary contact female 7 are respectively connected with auxiliary contact cable 1, and main contacts male 16 and main contacts are female
First 21 are respectively connected with main contacts cable 24, and the stroke of auxiliary contact male 9 is less than the stroke of main contacts male 16.The present invention carries
The explosion-proof connector of confession has auxiliary contact, can indirect control be main contacts power supply external power source, pulling off explosion-proof connection
During device, because the stroke of auxiliary contact male 9 is less than the stroke of main contacts male 16, auxiliary contact disconnect prior to main contacts, can
Main contacts is reached the effect of main contacts power-off in the case where not turning off, make the work of explosion-proof connector more safe and reliable,
It is and simple to operate;Meanwhile under explosion-proof connector working condition, because auxiliary contact and main contacts are different circuits, so,
When main contacts is in running order, auxiliary contact can realize the effect for conducting different electric currents, make explosion-proof company provided by the invention
The feature for connecing device is stronger.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of explosion-proof connector, it is characterised in that including connector male head shell (10) and connector female end shell (22), institute
State and auxiliary contact male (9) and main contacts male (16) are provided with connector male head shell (10), outside the connector female end
Be provided with shell (22) the auxiliary contact female (7) that is engaged with the auxiliary contact male (9) and with the main contacts male
(16) the main contacts female (21) being engaged, the auxiliary contact male (9) and the auxiliary contact female (7) are respectively connected with auxiliary
Contact cable (1) is helped, the main contacts male (16) and the main contacts female (21) are respectively connected with main contacts cable (24), and
The stroke of the auxiliary contact male (9) is less than the stroke of the main contacts male (16).
2. explosion-proof connector according to claim 1, it is characterised in that also include being arranged at the connector female end shell
(22) the auxiliary contact anti-explosion cable joint (2) on, for installing the auxiliary contact cable (1).
3. explosion-proof connector according to claim 2, it is characterised in that also set up on the connector female end shell (22)
There is the main contacts anti-explosion cable joint (23) for installing the main contacts cable (24).
4. explosion-proof connector according to claim 1, it is characterised in that also include being arranged at the connector female end shell
(22) the auxiliary contact female insulation fixed cover (6) in, for fixing the auxiliary contact female (7).
5. explosion-proof connector according to claim 4, it is characterised in that also set up in the connector female end shell (22)
There is the main contacts female insulation fixed cover (17) for fixing the main contacts female (21).
6. explosion-proof connector according to claim 1, it is characterised in that also include being arranged at the connector male head shell
(10) the auxiliary contact male insulation fixed cover (11) in, for fixing the auxiliary contact male (9).
7. explosion-proof connector according to claim 6, it is characterised in that also set up in the connector male head shell (10)
There is the main contacts male insulation fixed cover (14) for fixing the main contacts male (16).
8. explosion-proof connector according to claim 1, it is characterised in that also including connector fixed cover (12), connector
Male fixing screws (15) and female stop screw (19);Installation waist hole and installation are provided with the connector fixed cover (12)
Groove, the female stop screw (19) coordinates with the installation waist hole, so that the connector female end shell (22) and the company
Device fixed cover (12) limit installation is connect, the connector male head fixing screws (15) are engaged by clamping with the mounting groove, so that institute
Connector male head shell (10) is stated to be detachably connected with the connector fixed cover (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711044356.5A CN107834324A (en) | 2017-10-31 | 2017-10-31 | A kind of explosion-proof connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711044356.5A CN107834324A (en) | 2017-10-31 | 2017-10-31 | A kind of explosion-proof connector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107834324A true CN107834324A (en) | 2018-03-23 |
Family
ID=61651054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711044356.5A Withdrawn CN107834324A (en) | 2017-10-31 | 2017-10-31 | A kind of explosion-proof connector |
Country Status (1)
Country | Link |
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CN (1) | CN107834324A (en) |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1168374A (en) * | 1956-06-30 | 1958-12-08 | Land & Seekabelwerke A G | Explosion-proof socket-outlet, including a protective device against tensile forces |
US3778747A (en) * | 1970-04-28 | 1973-12-11 | Coal Ind | Electrical connector |
US4628392A (en) * | 1983-12-20 | 1986-12-09 | Biw Cable Systems, Inc. | Explosion proof electrical connector system with quick power disconnect |
FR2609578A1 (en) * | 1987-01-14 | 1988-07-15 | Lepaillier Patrick | Safe supply device |
DE3917089C1 (en) * | 1989-05-26 | 1990-06-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De | |
US20030027447A1 (en) * | 2001-08-01 | 2003-02-06 | Cooper Charles Dudley | Arc-less electrical connector |
JP2004179017A (en) * | 2002-11-28 | 2004-06-24 | Denon Ltd | Connector auxiliary member |
CN101888045A (en) * | 2010-06-02 | 2010-11-17 | 江苏艾索新能源股份有限公司 | Circuit and method for preventing direct current arc discharge |
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CN201758232U (en) * | 2010-02-06 | 2011-03-09 | 林海芳 | Cable connector |
CN202068016U (en) * | 2011-01-13 | 2011-12-07 | 长沙金鹰机电科技有限公司 | Explosion-proof electric connector |
CN102655286A (en) * | 2011-03-02 | 2012-09-05 | 侯永昌 | Contact type portable socket and plug |
CN203521787U (en) * | 2013-09-09 | 2014-04-02 | 艾思玛太阳能技术股份公司 | Plug connector, photovoltaic inverter and optoelectronic device |
CN203645089U (en) * | 2014-01-15 | 2014-06-11 | 唐山开诚电控设备集团有限公司 | Cable connector capable of being plugged and pulled out in automatic-power disconnection manner |
CN203911150U (en) * | 2014-06-25 | 2014-10-29 | 宁波梵科电子科技有限公司 | Intelligent socket |
CN204333289U (en) * | 2014-06-03 | 2015-05-13 | 常州汇森电子有限公司 | Fast Installation plug |
CN104682938A (en) * | 2015-03-30 | 2015-06-03 | 威海远晨光电有限公司 | Light-controlled contactor |
CN107069285A (en) * | 2017-05-25 | 2017-08-18 | 杭州联络互动信息科技股份有限公司 | Male head connector and data wire |
CN207381668U (en) * | 2017-10-31 | 2018-05-18 | 恒安科技(中山)有限公司 | A kind of explosion-proof connector |
-
2017
- 2017-10-31 CN CN201711044356.5A patent/CN107834324A/en not_active Withdrawn
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1168374A (en) * | 1956-06-30 | 1958-12-08 | Land & Seekabelwerke A G | Explosion-proof socket-outlet, including a protective device against tensile forces |
US3778747A (en) * | 1970-04-28 | 1973-12-11 | Coal Ind | Electrical connector |
US4628392A (en) * | 1983-12-20 | 1986-12-09 | Biw Cable Systems, Inc. | Explosion proof electrical connector system with quick power disconnect |
FR2609578A1 (en) * | 1987-01-14 | 1988-07-15 | Lepaillier Patrick | Safe supply device |
DE3917089C1 (en) * | 1989-05-26 | 1990-06-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De | |
US20030027447A1 (en) * | 2001-08-01 | 2003-02-06 | Cooper Charles Dudley | Arc-less electrical connector |
JP2004179017A (en) * | 2002-11-28 | 2004-06-24 | Denon Ltd | Connector auxiliary member |
CN101950898A (en) * | 2010-02-06 | 2011-01-19 | 林海芳 | Quickly-connected cable connector |
CN201758232U (en) * | 2010-02-06 | 2011-03-09 | 林海芳 | Cable connector |
CN101888045A (en) * | 2010-06-02 | 2010-11-17 | 江苏艾索新能源股份有限公司 | Circuit and method for preventing direct current arc discharge |
CN202068016U (en) * | 2011-01-13 | 2011-12-07 | 长沙金鹰机电科技有限公司 | Explosion-proof electric connector |
CN102655286A (en) * | 2011-03-02 | 2012-09-05 | 侯永昌 | Contact type portable socket and plug |
CN203521787U (en) * | 2013-09-09 | 2014-04-02 | 艾思玛太阳能技术股份公司 | Plug connector, photovoltaic inverter and optoelectronic device |
CN203645089U (en) * | 2014-01-15 | 2014-06-11 | 唐山开诚电控设备集团有限公司 | Cable connector capable of being plugged and pulled out in automatic-power disconnection manner |
CN204333289U (en) * | 2014-06-03 | 2015-05-13 | 常州汇森电子有限公司 | Fast Installation plug |
CN203911150U (en) * | 2014-06-25 | 2014-10-29 | 宁波梵科电子科技有限公司 | Intelligent socket |
CN104682938A (en) * | 2015-03-30 | 2015-06-03 | 威海远晨光电有限公司 | Light-controlled contactor |
CN107069285A (en) * | 2017-05-25 | 2017-08-18 | 杭州联络互动信息科技股份有限公司 | Male head connector and data wire |
CN207381668U (en) * | 2017-10-31 | 2018-05-18 | 恒安科技(中山)有限公司 | A kind of explosion-proof connector |
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Application publication date: 20180323 |