CN101901984B - Electric connector with multi-safety structure - Google Patents

Electric connector with multi-safety structure Download PDF

Info

Publication number
CN101901984B
CN101901984B CN2009102465939A CN200910246593A CN101901984B CN 101901984 B CN101901984 B CN 101901984B CN 2009102465939 A CN2009102465939 A CN 2009102465939A CN 200910246593 A CN200910246593 A CN 200910246593A CN 101901984 B CN101901984 B CN 101901984B
Authority
CN
China
Prior art keywords
electric connector
locking element
door locking
baffle
baffle plate
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.)
Active
Application number
CN2009102465939A
Other languages
Chinese (zh)
Other versions
CN101901984A (en
Inventor
李秋山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2009102465939A priority Critical patent/CN101901984B/en
Publication of CN101901984A publication Critical patent/CN101901984A/en
Application granted granted Critical
Publication of CN101901984B publication Critical patent/CN101901984B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention relates to an electric connector, in particular to an electric connector with a multi-safety structure. The electric connector with the multi-safety structure comprises an insulating shell and an electric connecting terminal group, wherein the insulating shell comprises a front panel provided with a plurality of jacks, and the jacks form a path which a plug passes through and is electrically connected with electric connecting terminals. The electric connector is characterized by also comprising a safety mechanism. Because of the structure, the electric connector provides a multi-protection mechanism, has good protection effect and prevents a user or a child from error electric shock.

Description

A kind of electric connector that possesses multi-safety structure
Technical field
The present invention relates to a kind of electric connector, particularly a kind of electric connector that possesses multi-safety structure.
Background technology
Society's high degree of electrical gasification now, therefore general indoor environment all have socket power supply gas articles for use and obtain electric power.Because of many states in the world the universal contact receptacle that possesses multinational socket (plug) specification is arranged also on the market again, to electrically connect each other between the plug that makes things convenient for different size and the socket.The common socket and the universal contact receptacle of portability at least all must meet the safety requirement of using country, and constantly improve its fail safe and come to harm with the person of avoiding the use of.And present known universal contact receptacle such as No. the 200919869th, Chinese patent disclosed " general-purpose multi-tap ", the earth jack with compatible multinational specification plug, wherein the positive left of this socket is the neutral pole jack, right-hand is live wire utmost point jack.Because this universal contact receptacle has open jack, so dust or hair possibly waft in the jack, possibly cause short circuit or allow the user get an electric shock injured when serious, and universal contact receptacle comprises multinational specification jack, and the probability that foreign object gets into is bigger.Therefore researched and developed the technology that in the general-purpose jack, adds movable emergency exit.Chinese patent as this case applicant has applied for is announced CN No. 201238089 " the supply socket release mechanism of slidingtype "; Should disclose the elastic parts of installing a control seat, a safety gate and this control seat of two ends difference ejection and this safety gate in the supply socket in the preceding case; Wherein this control seat has a guide post to guide this safety gate; And this elastic parts is replaced the path of sealing plug insertion socket electrode of two forced section normalities of this safety gate; And two forced sections are inserted by plug electrode when plug electrode inserts socket, simultaneously to support and promote this safety gate and slide, further the locked position of coupler of normality and allow plug electrode to insert the supply socket electrode.This creation can promote the fail safe of socket, and this creation further has a limiting section and when this forced section unbalance stress, pin down safety gate and remain on locked position of coupler, improves the one-sided stressed disappearance that can open of conventional security mechanism by this.The applicant of this case provides sufficient in above-mentioned applying for in the case protection mechanism.Though yet above-mentioned emergency exit has seen through mobilizable emergency exit protection jack; But because this emergency exit is mobilizable; And see through elastic element merely and promote this emergency exit locking; When painstakingly taking sharp instruments to insert, still can be pried open, take foreign matter to insert jack like the child, promptly the protectiveness of this emergency exit is still leaky.
Summary of the invention
The objective of the invention is to solve the deficiency of above-mentioned prior art, what a kind of protection mechanism that tightens security was provided a kind ofly possesses the multi-safety structure electric connector, sees through the security mechanism strengthened and the more rigorous thing of avoiding emergency exit to be opened by mistake opening produces.
Technical scheme of the present invention is: a kind of electric connector that possesses multi-safety structure; Wherein this electric connector comprises an insulation shell, an electrical connection terminal group; Wherein insulation shell comprise one have a plural jack front panel; The path that this jack constitutes that a plug passes and electrically connects with this power connection end; It is characterized in that: also comprise a release mechanism, this release mechanism comprises an emergency exit group and a baffle door locking element, and wherein the emergency exit group has comprised and at least onely is fixed in carrying wall on this insulation shell, at least onely is supported in the elastic element on this carrying wall and at least one receives this elastic element apical grafting and normality is barred from the baffle plate between jack and power connection end; This baffle plate must receive the plug ejection and oppress this elastic element deformation; And open jack supplies jack to pass with this power connection end to be electrically connected, and this baffle plate has a fastener, said baffle door locking element have one expose to this insulation shell surface the finger stopper section of dialling portion and each baffle plate of correspondence; This stopper section must receive this to refer to dial portion's interlock and be moved on this fastener to stop that this baffle plate moves, and could open with this this emergency exit group of baffle door locking element control by this.
The present invention provides multi-protection mechanism owing to adopted said structure, makes this electric connector excellent protection effect person of avoiding the use of or child's error shock.
Description of drawings
Fig. 1 is the exploded view of this case first execution mode.
Fig. 2-1 is the action sketch map () of this first execution mode.
Fig. 2-2 is the action sketch map (two) of this first execution mode.
Fig. 3 is the exploded view of this case second execution mode.
Fig. 4 is the end view of this second execution mode.
Fig. 5-1 is the action sketch map () of this division board.
Fig. 5-2 is the action sketch map (two) of this division board.
Fig. 6-1 is the action sketch map () of this plate washer and this involution structure.
Fig. 6-2 is the action sketch map (two) of this plate washer and this involution structure.
Fig. 6-3 is the action sketch map (three) of this plate washer and this involution structure.
Fig. 6-4 is the action sketch map (four) of this plate washer and this involution structure.
Fig. 7 is another execution mode sketch map of this stopper section.
Embodiment
See also Fig. 1.This case is a kind of electric connector that possesses multi-safety structure; This electric connector has an insulation shell; This insulation shell comprises a front panel 10 and a pedestal 20; And an electrical connection terminal group 1 and release mechanism are contained between this front panel 10 and the pedestal 20; Wherein this electrical connection terminal group 1 comprise a live wire gate terminal 11, a neutral pole terminal 12 (described herein be more general mode, but in the China's Mainland, European Region and to use live wire gate terminal 11, neutral pole terminal 12 positions of 220V voltage specification be that position to that indicated in the drawings is exchanged) and comprise one and can select the earth terminal 13 that disposes.This front panel 10 has plural jack 101, an opening 102, and the selectable indicating window 103 that is provided with.Those jacks 101 have constituted a plug (not shown) and have passed, and the path that electrically connects with this electrical connection terminal group 1.This release mechanism then comprises an emergency exit group 2 and a baffle door locking element 3; This emergency exit group 2 has comprised and at least onely is fixed in carrying wall 23 on this insulation shell, at least onely is supported in the elastic element 22 on this carrying wall 23 and at least one receives these elastic element 22 apical graftings and normality is barred from the baffle plate 21 between jack 101 and the electrical connection terminal group 1; And in the execution mode of Fig. 1; Owing to have earth terminal 13 between this live wire gate terminal 11, the neutral pole terminal 12, therefore need to use two baffle plates 21 to intercept the jack 101 that leads to this live wire gate terminal 11, neutral pole terminal 12 respectively.Wherein this plate washer 21 will upwards be shunk back when plug (not being shown among the figure) inserts, and oppress this flexible member 22, make this flexible member 22 store elastic force, and this baffle plate 21 have a fastener 211.And this baffle door locking element 3 have one expose to this insulation shell surface finger dial the extended stabilizer 32 of portion 31 and corresponding each baffle plate 21; This extended stabilizer 32 has a stopper section 321, and this stopper section 321 must receive this to refer to dial portion's 31 continued moving displacement to locked position of couplers and only block that this fastener 211 moves to stop this baffle plate 21.Execution mode as shown in fig. 1, this fastener 211 can be the projection that a confession stopper section 321 cards end these baffle plate 21 displacements, could open with these baffle door locking element 3 these emergency exit groups 2 of control by this.
See also Fig. 2-1, when this baffle door locking element 3 during at a locked position of coupler (should refer to this moment group portion 31 understand corresponding " OFF " end that is positioned at front panel 10 openings 102), this stopper section 321 is positioned on this fastener 211 just, moves to stop this baffle plate 21.Therefore when this baffle door locking element 3 is positioned at above-mentioned locked position of coupler,, all can't pushes this emergency exit group 2 open and contact conducting with this electrical connection terminal group 1 no matter plug or any extraneous foreign matter application of force are inserted.Please consult Fig. 2-2 again; When the user dials portion 31 through finger this baffle door locking element 3 is pushed to an enable possition (this moment, this referred to corresponding " ON " end that is positioned at front panel 10 openings 102 of the portion of dialling 31 meetings); 321 quilts in this stopper section are moved away; Make this fastener 211 on the path that this baffle plate 21 moves, not have other bar, let plug be able to push open this baffle plate 21 and electrically connect with this electrical connection terminal group 1.Through above-mentioned design, the user is able to be chosen in when not using this electric connector, selects to utilize this baffle door locking element 3 with jack 101 sealings, with avoid foreign matter misplug into, also can avoid the child to get an electric shock unintentionally.As shown in Figure 1; Selectable installing one obtains the loop that lights a lamp of electric power in this insulation shell from this electrical connection terminal group 1; This loop that lights a lamp comprises separates and a first terminal 51 and one second terminal 52 of formation open circuit; And the indicator light 5 that is electrically connected with this loop that lights a lamp; And this baffle door locking element 3 is provided with a conduction bridge plate 34, and this conduction bridge plate 34 must electrically connect this first terminal 51 and second terminal 52 with these baffle door locking element 3 displacements, makes this loop that lights a lamp form path and lights this indicator light 5.Shown in Fig. 2-1, when this baffle door locking element 3 is positioned at locked position of coupler, is embedded in this second terminal 52 of 34 contacts of conduction bridge plate on this baffle door locking element 3, and still is open-circuit condition between this first terminal 51, indicator light 5 is for extinguishing state.And this baffle door locking element 3 has been positioned at opening in Fig. 2-2; And this conduction bridge plate 34 has been displaced between this first terminal 51 and this second terminal 52; This conduction bridge plate 34 makes between the first terminal 51 and this second terminal 52 and forms path; This indicator light 5 thereby light, the indicating window 103 that sees through this front panel 10 lets the light of indicator light 5 appear outside this front panel.Design by this, the user is able to whether this electric connector jack 101 of Visual Confirmation is the state of locking.
By above-mentioned technology, this electric connector is except emergency exit group 2 provides first kind protection, and 3 of this baffle door locking elements provide the second heavy protection.And this case preferred implementation is please consulted Fig. 3 and shown in Figure 4 again; For more further safe preventing mechanism is provided; This insulation shell inner region is at a distance from a plurality of spaces; Supply plug to insert the electrical connection terminal group 1 that connects and take space partly, and receive a conducting terminal group 4 with this electrical connection terminal group 1 space content at interval, this electrical connection terminal group 1 needs contact with this conducting terminal group 4 path that just can let the inner formation of this electric connector connect.And the live wire gate terminal of this electrical connection terminal group 1 11 and neutral pole terminal 12 respectively extend one and have the power connecting arm 111,121 of clearance space with this conducting terminal group 2; Can see clearly that in Fig. 4 this neutral pole terminal 12 is the state that separates with this conducting terminal group 4; This neutral pole terminal 12 extends power connecting arm 121, but still has spacing distance with this conducting terminal group 4 under these power connecting arm 121 normality states.But be provided with an ejection part 212 towards a side of this electrical connection terminal group 1 and conducting terminal group 4 at this baffle plate 21; When this baffle plate 21 by the plug ejection during to top offset; This ejection part 212 can prop up this power connecting arm 121 and move this conducting terminal group 4 of contact, makes this electric connector inner electrical connection terminal group 1 and conducting terminal group 4 form the path that connects.Therefore the interval of this conducting terminal group 4 and this electrical connection terminal group 1 can be considered the triple protection mechanism, makes this electrical connection terminal group 1 can't conducting electric power under abnormal operation.Separated by the district in order to ensure this electrical connection terminal group 1 and conducting terminal group 4; This baffle door locking element 3 more extends and at least onely refers to dial the division board 33 of portion's 31 interlocks with this, this refer to the portion of dialling 31 this division board 33 of interlock be moved to this conducting terminal group 4 and power connecting arm 111, the clearance space between 121 contacts with conducting terminal group 4 to intercept this power connecting arm 111,121.Shown in Fig. 5-1, when this baffle door locking element 3 was positioned at locked position of coupler, this division board 33 was barred between this power connecting arm 111,121 and the conducting terminal group 4, and can't form path.And for example shown in Fig. 5-2, when this baffle door locking element 3 moved, 33 quilts of this division board were removed, and made this power connecting arm 111,121 must receive replacing of this ejection part 212 and contact electrical connection with conducting terminal group 4.Further; In order to make this baffle door locking element 3 have the ability of automatic blocking; This baffle door locking element can have an involution structure 35; This involution structure 35 is replied the position before these baffle door locking element 35 displacements through the elastic force that discharges this baffle door locking element 3 or 21 displacements of this baffle plate storage; The execution mode of this involution structure 35 can be replaced the elastic element of this baffle door locking element 3 through being provided with one, and when 3 displacements of baffle door locking element, stores elastic force to promote the position before this baffle door locking element 3 is replied displacements.Yet better mode like Fig. 6-1 to shown in Fig. 6-4; This involution structure 35 comprises is located at second track 353 that first track, 351, one shared track 352 and that one on this extended stabilizer 32 supply this fastener 211 to slip into supplies this fastener 211 to skid off, and wherein these second track, 353 opening parts are provided with the stopper section 321 of a dividing plate shape.And match with this involution structure 35, this fastener 211 is a projection shape and on this projection, has a circular arc flange.When this baffle door locking element 3 was positioned at locked position of coupler, this baffle plate 21 was hindered by this stopper section 321 and can't move (shown in Fig. 6-1).And after this baffle door locking element 3 moves; This fastener 211 can be slipped into by this first track 351; Wherein this first track 351 has height fall with these common rail 352 joints, makes this fastener 211 have to unidirectionally slip into this common rail 352 (shown in Fig. 6-2, Fig. 6-3) by this first track 351.When plug was extracted this electric connector, this baffle plate 21 received this elastic element 22 (being shown in Fig. 3) ejection playback naturally.Yet comprise a stressed curved surface 354 between this common rail 352 and this second track 353; Elder generation's ejection this stressed curved surface 354 (shown in Fig. 6-4) when this fastener 211 withdraws from this second track 353, and make fastener 211 slip over this stopper section 321 through the inclination tangent plane of these fastener 211 lower edges, stopper section 321 upper limbs and playback.When original position is return in this card finger 211, these stressed curved surface 354 suffered ejection powers will promote this baffle door locking element 3 and return the back locking position, make this electric connector automatic blocking.Refer to that group portion's 31 moving stop door lock elements 3 just can insert plug once more to the enable possition and need stir this next time once more, insert to guarantee the foreign matter beyond the plug.Above-mentioned involution structure 35 directly is provided with on this extended stabilizer 32 of what by what, has the not extra advantage that takes up room.
Above-mentioned structure provides multi-protection mechanism, makes this electric connector excellent protection effect person of avoiding the use of or child's error shock.Though yet this electric connector with above-mentioned preferred implementation as illustrative example; But this electric connector is not limited to those kenels shown in graphic; If this electric connector only is provided with live wire gate terminal 11 and neutral pole terminal 12, this emergency exit group 2 is that single baffle plate 2 capable of using stops the jack 101 that leads to this live wire gate terminal 11 and this neutral pole terminal 12 simultaneously.Moreover as long as moving of this fastener 211 limited in this stopper section 321 controlled, and above-mentioned explanation is not the form that is used to limit this stopper section 321, and this stopper section 321 also can be as shown in Figure 7, is that the buckle structure of a grooved moves to limit this fastener 211.This technical field has the general knowledge, and the person all should be in this case protection range based on the technological any simple change done of this case.

Claims (10)

1. electric connector that possesses multi-safety structure; Wherein this electric connector comprises an insulation shell, an electrical connection terminal group; Wherein insulation shell comprise one have a plural jack front panel; The path that this jack constitutes that a plug passes and electrically connects with this electrical connection terminal group, it is characterized in that: also comprise release mechanism, this release mechanism comprises:
One emergency exit group; This emergency exit group has comprised and at least onely is fixed in carrying wall on this insulation shell, at least onely is supported in the elastic element on this carrying wall and at least one receives this elastic element apical grafting and normality is barred from the baffle plate between jack and the electrical connection terminal group; This baffle plate must receive the plug ejection and oppress this elastic element deformation and open jack, and wherein this baffle plate has a fastener;
One baffle door locking element; Wherein this baffle door locking element have one expose to this insulation shell surface finger dial the extended stabilizer of portion and corresponding each baffle plate; This extended stabilizer has a stopper section, and this stopper section must receive this to refer to dial portion's continued moving displacement to a locked position of coupler and only block that this fastener moves to stop this baffle plate.
2. a kind of electric connector that possesses multi-safety structure as claimed in claim 1; It is characterized in that said electrical connection terminal group comprises a live wire gate terminal and a neutral pole terminal, and this emergency exit group utilizes single baffle plate to stop simultaneously to lead to the jack of this live wire gate terminal and this neutral pole terminal.
3. a kind of electric connector that possesses multi-safety structure as claimed in claim 1; It is characterized in that said electrical connection terminal group comprises a live wire gate terminal and a neutral pole terminal, and this emergency exit group utilizes two baffle plates distinctly to stop to lead to the jack of this live wire gate terminal and this neutral pole terminal.
4. a kind of electric connector that possesses multi-safety structure as claimed in claim 1, the fastener that it is characterized in that said baffle plate are the projection that a confession stopper section card ends this baffle plate displacement.
5. a kind of electric connector that possesses multi-safety structure as claimed in claim 1; It is characterized in that in the said insulation shell more receiving a conducting terminal group with this electrical connection terminal group space content at interval; The live wire gate terminal of this electrical connection terminal group and neutral pole terminal respectively extend one and have the power connecting arm of clearance space with this conducting terminal group, and this baffle plate has more an ejection part to be promoted this power connecting arm and conduct electricity with this conducting terminal groups of contact when the baffle plate displacement.
6. a kind of electric connector that possesses multi-safety structure as claimed in claim 5; It is characterized in that said this baffle door locking element more comprises at least onely refers to dial the division board of portion's interlock with this, and this refers to that the portion of dialling gets this division board of interlock and is moved to clearance space between this conducting terminal group and the power connecting arm to intercept this power connecting arm and conducting terminal groups of contact.
7. a kind of electric connector that possesses multi-safety structure as claimed in claim 1; It is characterized in that more comprising in the said insulation shell that one lights a lamp that the loop is electrically connected from the loop and that lights a lamp that this electrical connection terminal group is obtained electric power with this and exposes an indicating window indicator light on this front panel; Wherein this loop that lights a lamp has the first terminal and second terminal that separates and form open circuit; And this baffle door locking element is provided with a conduction bridge plate; This conduction bridge plate must electrically connect this first terminal and second terminal with this baffle door locking element displacement, makes this loop that lights a lamp form path and lights this indicator light.
8. a kind of electric connector that possesses multi-safety structure as claimed in claim 1; It is characterized in that said baffle door locking element has an involution structure, this involution structure is replied the position before this baffle door locking element displacement through the elastic force that discharges this baffle door locking element or this baffle plate displacement storage.
9. a kind of electric connector that possesses multi-safety structure as claimed in claim 8; It is characterized in that said involution structure is to be provided with one to replace the elastic element of this baffle door locking element, and when the displacement of baffle door locking element, store elastic force to promote the position before this baffle door locking element is replied displacement.
10. a kind of electric connector that possesses multi-safety structure as claimed in claim 8; It is characterized in that said involution structure comprises first track of being located at one on this extended stabilizer and supplying this fastener to slip into, second track that a shared track and supplies this fastener to skid off; Wherein this first track and this common rail joint have height fall and make this fastener have to unidirectionally slip into this common rail by this first track; Comprise a stressed curved surface between this second track and this common rail, this stressed curved surface of ejection when seeing through this fastener and withdrawing from this second track and drive this baffle door locking element and playback to locked position of coupler.
CN2009102465939A 2010-01-21 2010-01-21 Electric connector with multi-safety structure Active CN101901984B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102465939A CN101901984B (en) 2010-01-21 2010-01-21 Electric connector with multi-safety structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102465939A CN101901984B (en) 2010-01-21 2010-01-21 Electric connector with multi-safety structure

Publications (2)

Publication Number Publication Date
CN101901984A CN101901984A (en) 2010-12-01
CN101901984B true CN101901984B (en) 2012-05-09

Family

ID=43227306

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009102465939A Active CN101901984B (en) 2010-01-21 2010-01-21 Electric connector with multi-safety structure

Country Status (1)

Country Link
CN (1) CN101901984B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109431314B (en) * 2016-07-17 2021-06-01 深圳市康佳智能电器科技有限公司 Multifunctional electric baking tray
CN109449700B (en) * 2018-11-12 2023-08-22 国家电网有限公司 Special socket for safety protection
CN110943341B (en) * 2019-12-02 2022-01-14 广州帝能云科技股份有限公司 Electric vehicle charging socket box

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2554829Y (en) * 2002-06-14 2003-06-04 王明山 Sockect with locker
CN2917009Y (en) * 2006-03-30 2007-06-27 郑启文 Socket capable of locking plug
CN201601294U (en) * 2010-01-21 2010-10-06 李秋山 Electric connector with multiple safety structures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2554829Y (en) * 2002-06-14 2003-06-04 王明山 Sockect with locker
CN2917009Y (en) * 2006-03-30 2007-06-27 郑启文 Socket capable of locking plug
CN201601294U (en) * 2010-01-21 2010-10-06 李秋山 Electric connector with multiple safety structures

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2002-134208A 2002.05.10

Also Published As

Publication number Publication date
CN101901984A (en) 2010-12-01

Similar Documents

Publication Publication Date Title
CN109980399B (en) Intelligent instrument data bus connector
CN110867707B (en) Overload protection type socket
CN101901984B (en) Electric connector with multi-safety structure
CN102057540B (en) Connection adapter/terminal set and corresponding connection adapter and terminal
US20120307524A1 (en) Led lampholder and lamp system with means to prevent lamping of nonconforming lamps
CN105870748B (en) Adapter, light supply apparatus and lighting apparatus
CN105742125B (en) The secondary circuit connection component and open frame circuit breaker of breaker
CN201226434Y (en) Inserting apparatus for bus slot
CN102150330A (en) Locking power connector apparatus
CN208752614U (en) A kind of interface change-over device
CN201601294U (en) Electric connector with multiple safety structures
CN2364574Y (en) Mechanical self-locking safety pin and socket
CN106129929A (en) A kind of bus duct tapping unit
CN212365886U (en) Binding post and circuit breaker
CN109616832A (en) A kind of high reliability plug
CN216648735U (en) Secondary plug-in structure, secondary plug-in components and have its switch board
CN209184056U (en) The isolating device of terminal block and screen cabinet with it
CN102280784A (en) Rotary electric connecting device as well as plug, socket and patch board
CN213692438U (en) Alternative sliding type patch board protection door
EP2709213A1 (en) Safety device for electrical socket
NO145491B (en) CONTACT DEVICE FOR CONNECTING PROTECTIVE EQUIPMENT FOR AN ELECTRIC ELECTRICAL IN-OPERATION, WITHOUT TRANSFER, WITH A TESTING DEVICE
CN101960548B (en) Modular electrical apparatus comprising protection means for preventing electric arcs
CN201845968U (en) Power plug
CN201893482U (en) Sliding electric connecting device and plug, socket and patch panel
CN100401591C (en) Safety socket

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant