CN102474022B - Grounding device for a protective contact plug and protective contact plug - Google Patents
Grounding device for a protective contact plug and protective contact plug Download PDFInfo
- Publication number
- CN102474022B CN102474022B CN201080030988.6A CN201080030988A CN102474022B CN 102474022 B CN102474022 B CN 102474022B CN 201080030988 A CN201080030988 A CN 201080030988A CN 102474022 B CN102474022 B CN 102474022B
- Authority
- CN
- China
- Prior art keywords
- contact area
- earthing device
- join domain
- contact
- segmentation
- 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.)
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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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/655—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth brace
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
- H01R9/2691—Clip-on terminal blocks for side-by-side rail- or strip-mounting with ground wire connection to the rail
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to a grounding device for a protective contact plug, comprising at least one base section and at least one leg section, which is arranged substantially perpendicular to the base section, wherein the leg section has a first and a second contact area for electrically contacting a grounding device of a protective contact receptacle, and the first contact area is wider than the second contact area, and to a protective contact plug having such a grounding device.
Description
Technical field
The present invention relates to a kind of earthing device for safety plug and a kind of safety plug.Particularly the present invention relates to a kind of safety plug as described in DIN49440/441.
Background technology
In Europe, the common safety plug of a lot of country has the contact pilotage of two circles, and its diameter is 4.8mm, length is 19mm and distance between axles for phase line and the neutral line is 19mm.The voltage that 3rd pole (protective earthing contact) conduction is dangerous, i.e. ground connection, once current circuit is closed by two other poles (phase line and the neutral line).Therefore, the connection of (namely shifting to an earlier date) and safety plug should first be realized.For the situation of safety plug, this is ensured by contact spring corresponding in the contact-making surface on plug side and safety socket.
Adopt three-core conductor to be connected on safety plug, it comprises the safety lead of phase line, the neutral line and ground connection.The case material of conduction must be connected with safety lead.
As earthing device, protective earthing contact is usually designed to bending latten(-tin) in safety plug.Your because the prices of raw and semifnished materials are more and more higher, it is desirable to use electric conducting material or alloy, particularly brass as few as possible in for the earthing device of safety plug.
Summary of the invention
The object of the invention is to, propose a kind of earthing device for safety plug and a kind of safety plug, it can manufacture with less cost of raw materials used cheaply.
According to the present invention, this object is realized by the earthing device with the feature of claim 1.
In order to make contact area, there is different length and/or width and preferably the second contact area is narrower than the first contact area, can in a contact area (preferably in the second contact area) save electric conducting material (particularly brass).Therefore, the Master Cost when manufacturing earthing device is reduced.
According to a preferred embodiment, (preferably second) contact area is designed to contact projection, its another, outstanding on an end of preferred the first contact area.This contact projection extends effective contact-making surface of flank segmentation, and namely by this contact-making surface, the earthing device of safety plug contacting the earthing device of safety socket, being generally contact spring when inserting safety socket.
Preferably at another, an end of preferred the first contact area arranges join domain, it can be placed in the mechanical connection of the plug bridge of safety plug.Therefore, earthing device fixing reliably in safety plug is achieved when earthing device is structured in safety plug.
Particularly advantageously, join domain is in order to be mechanically connected can bend with plug bridge.
According to another preferred embodiment, join domain has at least one support chip, by support chip by join domain with another, preferably the end (forming the second contact area thereon) of the first contact area be connected.
Particularly advantageously, join domain has two support chips, between these two support chips, arrange the second contact area, and by these two support chips, join domain is connected with the end of the first contact area.By these two support chips, achieve being mechanically connected especially reliably of the plug bridge of join domain and safety plug when earthing device is structured in safety plug.
Preferably the olo of two support chips equals the width of the first contact area.
According to another preferred embodiment, the interior spacing of two support chips is greater than the width of the second contact area.Therefore, material is saved on the one hand.On the other hand, if the second contact area preferably with two support chips separately, when join domain plug bridge is bent in order to be fixed on by earthing device, prevent two support chips and the second contact area to hook.
Preferred join domain is designed to U-shaped substantially.
According to another preferred embodiment, between join domain and the second contact area, design the recess being essentially U-shaped.Therefore, save other material and prevent when join domain earthing device is arranged on be bent in safety plug time together with join domain is hooked in the second contact area.
According to another preferred embodiment, join domain has the recess of at least one side, and it is arranged on the end of flank segmentation.Therefore, other electric conducting material is saved when manufacturing earthing device.
Substantially a flank segmentation that is vertical, that have first and second contact areas respectively is preferably set respectively on two ends of basic segmentation.If earthing device is structured in safety plug, safety plug can insert in safety plug on two positions rotated with 180 °, wherein, two positions is grounded.
Preferred basic segmentation and two flank segmentations are designed to a component.
Other preferred embodiment of earthing device is listed in other dependent claims.
Aforementioned object is also realized by the safety plug with the earthing device as described at least one previous embodiment according to the present invention.
Preferred safety plug has plug bridge, and it has at least one projection, and join domain is arranged in the interlocking with earthing device by this projection.
Particularly advantageously, the projection of the join domain collar plug bridge of earthing device.Therefore, being mechanically connected especially reliably between earthing device and plug bridge is achieved.
Second contact area of preferred earthing device covers the outer surface of the projection of plug bridge.Made the back side mechanically stable of the second contact area by this projection, prevent the second contact area to bend to plastic body when installing ground spring thus, this can cause overlap or waste product when encapsulating pressure injection-moulded with PVC.
Other preferred embodiment of safety plug is listed in other dependent claims.
Accompanying drawing explanation
The present invention is elaborated by reference to the accompanying drawings below by means of preferred embodiment.Wherein,
Fig. 1 shows the schematic side elevation completing bending earthing device with two flank segmentations,
Fig. 2 shows the schematic plan of flank segmentation under unbent state of earthing device,
Fig. 3 a shows the schematic plan of flank segmentation under bending state as shown in Figure 2,
Fig. 3 b shows the perspective view in the region of safety plug, and without the pressure injection-moulded encapsulating of PVC, with earthing device, it is connected with the plug bridge of safety plug.
Embodiment
Fig. 1 shows the end view completing bending earthing device 1 with two flank segmentations 3.Fig. 2 shows the schematic plan of flank segmentation 3 under unbent state of earthing device 1 (such as earthing device 1) as shown in Figure 1.Fig. 3 shows the perspective view in the region of safety plug 20, without the pressure injection-moulded encapsulating of PVC, with earthing device 1 (such as earthing device 1) as shown in Figure 1, it is connected with the plug bridge (Steckerbr ü cke) 21 of safety plug 20.
Earthing device 1 shown in Fig. 1 has basic segmentation 2 (cut and illustrate) and two flank segmentations 3 herein.Preferred earthing device 1 is made into integration (being such as stamped to form) by conduction lath (such as by brass sheet).
Be connected to be conducted electricity with earthing device 1 by safety lead, basic segmentation 2 preferably has crimping socket or screw receptacle (not shown), in order to set up the electrical contact with safety lead by clamping or screw in bolt.
Flank segmentation 3 is arranged on the two ends of basic segmentation 2 and is substantially perpendicular to basic segmentation 2 respectively and extends, thus makes flank segmentation 3 mutually in the face of ground to arrange.Although the earthing device shown in Fig. 11 shows two flank segmentations 3, earthing device 1 also can be made only to have flank segmentation 3 that a basic segmentation 2 and one are substantially perpendicular to basic subsection setup.
Under this associated context, adopt the statement of " substantially ", this is because earthing device 1 is preferably made up of the lath conducting electricity, wherein, one or more flank segmentation 3 bends up relative to basic segmentation 2.Basic segmentation 2 and each flank segmentation 3 can be made to surround out an angle by chamfered edge, it is not accurately equal 90 °, but slightly larger than or be slightly less than (such as ± 5 °) 90 °.
Therefore, it is possible to regulate the pretightning force of flank segmentation 3 when being fixed on plug bridge 21.Therefore earthing device 1 is preferably designed to ground spring.
Flank segmentation 3 extends along longitudinal L of earthing device 1.The y direction of the safety plug 20 that longitudinal L is installed to along earthing device 1 extends, and the contact pilotage (not shown) direction namely towards safety plug 20 extends.
The basic segmentation 2 of usual earthing device 1 can be identified from outside, and prerequisite observes safety plug 20 in longitudinal directionl.The lower area of flank segmentation 3 can recognize in the both sides of the opposition of the plug bridge 21 of safety plug 20.
Preferably two flank segmentations 3 can be projected to together by the mirror reflection of in one plane (longitudinal axis of safety plug 20 extends in this plane) in FIG mutually.Two flank segmentations 3 but can also be made mutually can be projected to together by the rotation around the longitudinal axis 180 °.
Flank segmentation 3 has the first contact area 4 and the second contact area 5 be connected therewith shown in figure 2.First contact area 4 starts in the lower area of flank segmentation 3 according to Fig. 2, namely starts in following region, and in this region, flank segmentation 3 is preferably connected integratedly with the end of basic segmentation 2.First contact area 4 extends to upper area from the lower area of flank segmentation 3, and wherein, whole first contact area 4 preferably has constant width B
swith continuous print, substantially smooth contact-making surface.
According to Fig. 2, in the upper area of flank segmentation 3, the second contact area 5 is connected on the first contact area 4.Second contact area 5 is designed to contact projection, and it is at the upper end upper process of the first contact area 4.Preferably the first contact area 4 and the second contact area 5 are made up of identical electric conducting material and are particularly configured to a component.
Second contact area 5 has width B
k, it is less than the width B of the first contact area 4
s.Therefore, the first contact area 4 is designed to be wider than the second contact area 5.
Second contact area 5 also preferably has continuous print, preferably smooth contact-making surface, and it is particularly continuous print with the contact-making surface of the first contact area 4.Two contact areas 4,5 form continual, effective contact-making surface 10 thus, and it preferably has the total length L of at least 14.5mm, preferably at least 16.5mm and most preferably at least 17.5mm
k.
The length be made up of the contact-making surface of the first contact area 4 and the contact-making surface of the second contact area 5 is L
keffective contact-making surface 10 can along its whole length L
kbe utilized, machinery and another earthing device, the particularly ground spring that electrically contact safety socket during for inserting safety socket when safety plug 20 or extracting from safety socket.
In fig. 2, the upper end of the first contact area 4 is also provided with join domain 6, it can be placed in the mechanical connection of the plug bridge 21 of safety plug 20, as shown in Figure 3.For this reason, join domain 6 is preferably flexible, and namely the electric conducting material of earthing device 1 at least in this region can plastic deformation.Join domain 6 also preferred and all the other flank segmentation 3 Integral designs of flank segmentation 3.
In FIG, two mutually opposing join domains 6 are bent, and join domain 6 is also positioned at a plane with the first and second contact areas 4,5 shown in figure 2.
In embodiment shown in Figure 2, join domain 6 has two mutually opposing support chips 7, in it arris mutually within spacing A
iseparately.The outer edge of two support chips 7 passes through olo each other
separately.The preferably olo of two support chips 7
with the width B of the first contact area 4
sidentical.
Join domain 6 shown in Fig. 2 is designed to arc, and wherein, two support chips 7 are connected with each other by the segmentation of side.Particularly join domain 6 is designed to U-shaped substantially.The segmentation of side is arranged on according to Fig. 2 on the upper end of flank segmentation 3, is namely arranged in the distal portion of flank segmentation 3 relative to basic segmentation 2.
Although not shown, such as join domain 6 can also be passed through an only support chip 7 and be connected with the upper end of the first contact area 4.But this unique support chip should design wider compared to support chip 7 shown in figure 2.
The segmentation of side has the recess 9 of one or more side, in order to save other material when manufacturing earthing device 1.The recess 9 of preferred side is designed to arc.But it is also conceivable to other shape, the recess 9 of the side of such as triangle or quadrangle.
In fig. 2, the second contact area 5 is arranged between two support chips 7 as contact projection.Second contact area 5 preferably has the width B of at least 3.5mm
k.
The interior spacing A of two support chips 7
ibe greater than the width B of the second contact area 5
k, thus there is the recess 8 between each support chip 7 and the next arris of the second contact area 5 on one or both sides.Therefore, other material can be saved when manufacturing earthing device 1.In addition, together with the support chip 7 achieving the join domain 6 when join domain 6 is bent as best shown in figures 3 a and 3b by recess 8 on the both sides of the second contact area 5 is not hooked to the side rib of the second contact area 5.
Particularly preferably segmentation and second contact area 5 of the side of join domain 6 separately, in order to save other material and to prevent join domain 6 and the second contact area 5 from mutually hooking when join domain 6 bends when manufacture earthing device 1.Therefore, particularly advantageously, the recess 8 between join domain 6 and the second contact area 5 substantially U-shaped designs.
Under unbent state, namely when join domain 6 is not be bent as shown in Figure 3, flank segmentation 3 preferably has the total length L of at least 19.5mm
s.Recess 8 is discrete planes, and it is by the width B of the second contact area 5
k, interior spacing A between two support chips 7
iand recess length L in longitudinal directionl
alimit.
First contact area 4 has length L
i.The length of the second contact area 5 is L
k-L
i.
Show the earthing device 1 under mounted state in fig 3b, wherein, Fig. 3 a shows and launches but the schematic plan of still uninstalled earthing device.Shown safety plug 20 is particularly according to the safety plug of DIN49440/441, but it does not illustrate the insulation shell around it.Unshowned housing can such as be screwed on or be crimped, or can also by manufacturing with the pressure injection-moulded encapsulating plug bridge 21 of the plastics of electric insulation (such as PVC).
The plug bridge 21 of safety plug 20 has at least one projection 22, and the join domain 6 of earthing device 1 is arranged in the interlocking with this projection.Plug bridge 21 preferably has two projections 22, and it is facing in the radial direction of safety plug 20, merely illustrates one at this.Earthing device 1 shown in Figure 1 is in interlocking with these two projections 22.
If the join domain 6 of earthing device 1 be designed to be arc, be particularly illustrated in figure 2 U-shaped, then join domain 6 surrounds the projection 22 of plug bridge 21, and this illustrates in fig 3b.If join domain 6 is bent, together with being scarfed to plug bridge 21 by earthing device 1, advantageously, join domain 6 crosses with two contact areas 4,5 of flank segmentation 3 angle being less than 90 ° (such as 85 ° or 80 °).Therefore, the installability of earthing device 1 is improved, and can pretension earthing device 1 when mounted.
Particularly advantageously, the join domain 6 of earthing device 1 is bent below the upper edge 11 of the second contact area 5.For this reason, such as support chip 7 is bent in half length or from the end of the first contact area 4 after 1/3rd of its length.Such as after earthing device 1 is arranged on plug bridge 21, the unbent region of safety plug 3 has the total length of 17.5mm, and according to Fig. 3, the uppermost 2.5mm of flank segmentation 3 or join domain 6 is bent, thus makes the region first described of this region and flank segmentation 3 cross the angle being less than 90 °.
In fig 3b, the second contact area 5 of earthing device 1 covers the outer surface of the projection 22 of plug bridge 21 completely.Therefore, projection 22 supports the back side of the second contact area 5, therefore prevents the second contact area 5 may bend to plug bridge 21 center direction when installing contact spring.Advantageously, the pressure injection-moulded encapsulating of the plastics that plug bridge 21 is electrically insulated, such as PCV, this is because closedly avoid overlap and burr by what flush.
The embodiment before set forth relates to a kind of earthing device 1 of the safety plug 20 for having at least one basic segmentation 2 and at least one flank segmentation 3, flank segmentation is substantially perpendicular to basic segmentation 2 and arranges, wherein, flank segmentation 3 has the first and second contact areas 4,5 of the earthing device for electrical contact safety socket, and the first contact area 4 is wider than the second contact area 5.
Equally, the embodiment before set forth also relates to a kind of safety plug 20 with earthing device 1 according at least one embodiment aforementioned.
The invention is not restricted to the execution mode shown in embodiment; Second contact area 5 wider than the first contact area 4, wherein, preferably can also be given prominence to from the first contact area 4 when being arranged in series two contact areas 4,5 by the second contact area 5 all the time in length and Width.
Claims (28)
1. an earthing device, for having the safety plug (20) of at least one basic segmentation (2) and at least one flank segmentation (3), described flank segmentation is substantially perpendicular to the setting of described basic segmentation (2), wherein, described flank segmentation (3) has the first contact area (4) for the earthing device of electrical contact safety socket and the second contact area (5), wherein, the length (L of described contact area (4,5)
i; L
k-L
i) and/or width (B
k; B
s) mutually different, the join domain (6) be connected with the end of described first contact area (4) is set, described join domain (6) can be placed in the mechanical connection of the plug bridge of described safety plug (20) (21) in and there are two support chips (7), second contact area (5) is set between described two support chips (7), and by described two support chips (7), described join domain (6) is connected with the end of described first contact area (4).
2. earthing device as claimed in claim 1, it is characterized in that, the width of described first contact area (4) is greater than the width of described second contact area (5).
3. earthing device as claimed in claim 1 or 2, it is characterized in that, described second contact area (5) extends out from described first contact area (4).
4. earthing device as claimed in claim 1 or 2, it is characterized in that, described join domain (6) is in order to be mechanically connected can bend with described plug bridge (21).
5. earthing device as claimed in claim 1 or 2, it is characterized in that, described join domain (6) has at least one support chip (7), and described join domain (6) is connected by the end being designed with the second contact area (5) of described support chip with described first contact area (4).
6. earthing device as claimed in claim 1 or 2, is characterized in that, the olo of described two support chips (7)
equal the width (B of described first contact area (4)
s).
7. earthing device as claimed in claim 1 or 2, is characterized in that, the interior spacing (A of described two support chips (7)
i) be greater than the width (B of described second contact area (5)
k).
8. earthing device as claimed in claim 1 or 2, it is characterized in that, described join domain (6) is designed to U-shaped substantially.
9. earthing device as claimed in claim 1 or 2, is characterized in that, design the recess (8) being essentially U-shaped between described join domain (6) and described second contact area (5).
10. earthing device as claimed in claim 1 or 2, it is characterized in that, described join domain (6) has the recess (9) of at least one side, and it is arranged on the end of described flank segmentation (3).
11. earthing device as claimed in claim 10, is characterized in that, the recess (9) of described side is substantially curved.
12. earthing device as claimed in claim 1 or 2, it is characterized in that, described first contact area (4) and described second contact area (5) have contact-making surface (10), and the total length (LK) of described contact-making surface is at least 14.5mm.
13. earthing device as claimed in claim 1 or 2, is characterized in that, the width (B of described second contact area (5)
k) be at least 3.5mm.
14. earthing device as claimed in claim 1 or 2, it is characterized in that, two ends of described basic segmentation (2) arrange a flank segmentation (3) that is vertical, that have one first and one the second contact area (4,5) respectively substantially respectively.
15. earthing device as claimed in claim 14, is characterized in that, described basic segmentation (2) and two flank segmentations (3) are designed to a component.
16. earthing device as claimed in claim 1 or 2, it is characterized in that, described earthing device is made up of lamellar.
17. earthing device as claimed in claim 3, is characterized in that, described second contact area (5) is designed to contact projection from described first contact area, and described contact projection is given prominence to from described first contact area (4).
18. earthing device as claimed in claim 3, is characterized in that, described second contact area (5) extends out from the end of described first contact area (4) in the vertical.
19. earthing device as claimed in claim 12, is characterized in that, the total length (LK) of described contact-making surface (10) is at least 16.5mm.
20. earthing device as claimed in claim 19, is characterized in that, the total length (LK) of described contact-making surface (10) is at least 17.5mm.
21. earthing device as claimed in claim 16, it is characterized in that, described earthing device bends stamping parts by brass and forms.
22. 1 kinds of safety plugs, have the earthing device (1) according to any one of claim 1 to 21.
23. safety plugs as claimed in claim 22, have plug bridge (21), it has at least one projection (22), and the join domain (6) of described earthing device (1) is arranged in the interlocking with described projection.
24. safety plugs as described in claim 22 or 23, is characterized in that, the projection (22) of plug bridge (21) described in join domain (6) collar of described earthing device (1).
25. safety plugs as described in claim 22 or 23, is characterized in that, described join domain (6) and two contact areas (4,5) cross the angle being less than 90 °.
26. safety plugs as claimed in claim 23, is characterized in that, the join domain (6) of described earthing device (1) is bent in upper edge (11) below of described second contact area (5).
27. safety plugs as described in claim 22 or 23, it is characterized in that, second contact area (5) of described earthing device (1) covers the outer surface of the projection (22) of described plug bridge (21).
28. safety plugs as described in claim 22 or 23, it is characterized in that, the upper edge (11) of second contact area (5) of described earthing device (1) is concordant with the upper edge (23) of the projection (22) of described plug bridge (21).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200910032546 DE102009032546B4 (en) | 2009-07-10 | 2009-07-10 | Earthing device for a safety plug and earthing contact plug |
| DE102009032546.8 | 2009-07-10 | ||
| PCT/EP2010/004151 WO2011003605A1 (en) | 2009-07-10 | 2010-07-07 | Grounding device for a protective contact plug and protective contact plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102474022A CN102474022A (en) | 2012-05-23 |
| CN102474022B true CN102474022B (en) | 2015-05-06 |
Family
ID=42697177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080030988.6A Active CN102474022B (en) | 2009-07-10 | 2010-07-07 | Grounding device for a protective contact plug and protective contact plug |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2452401B1 (en) |
| CN (1) | CN102474022B (en) |
| DE (1) | DE102009032546B4 (en) |
| WO (1) | WO2011003605A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011006834A1 (en) * | 2011-04-06 | 2012-10-11 | Robert Bosch Gmbh | Leading ground contact by means of spring element |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2164125Y (en) * | 1993-08-13 | 1994-05-04 | 林东明 | Safety plug |
| CN2540042Y (en) * | 2002-04-08 | 2003-03-12 | 魏阳 | Safety plug |
| CN2796186Y (en) * | 2005-05-25 | 2006-07-12 | 中原工学院 | Safety plug capable of rotating and folding plug leg |
| DE202007002268U1 (en) * | 2007-02-15 | 2007-07-12 | GEM TERMINAL IND. CO., LTD., Lu-Chu Hsiang | Corresponding construction for inner framework, has recess designed at wire-receiving element with corresponding side of wire-receiving base, which receives element of earth plate and is positioned for adjusting wire |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE6916076U (en) * | 1969-04-22 | 1969-10-23 | Kopp Fa Heinrich | ELECTRIC PROTECTIVE CONTACT PLUG |
| DE7303118U (en) * | 1973-01-27 | 1973-04-26 | Gebrueder Merten | PROTECTIVE PLUG OR COUPLING SOCKET |
| DE10218567C5 (en) * | 2002-04-26 | 2010-08-05 | Wieland Electric Gmbh | connection system |
| DE102006059826A1 (en) * | 2006-12-19 | 2008-07-03 | Moeller Gmbh | Contact element for attachment to an electrical switching device to be mounted on a mounting rail |
-
2009
- 2009-07-10 DE DE200910032546 patent/DE102009032546B4/en not_active Expired - Fee Related
-
2010
- 2010-07-07 CN CN201080030988.6A patent/CN102474022B/en active Active
- 2010-07-07 WO PCT/EP2010/004151 patent/WO2011003605A1/en active Application Filing
- 2010-07-07 EP EP10730102.0A patent/EP2452401B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2164125Y (en) * | 1993-08-13 | 1994-05-04 | 林东明 | Safety plug |
| CN2540042Y (en) * | 2002-04-08 | 2003-03-12 | 魏阳 | Safety plug |
| CN2796186Y (en) * | 2005-05-25 | 2006-07-12 | 中原工学院 | Safety plug capable of rotating and folding plug leg |
| DE202007002268U1 (en) * | 2007-02-15 | 2007-07-12 | GEM TERMINAL IND. CO., LTD., Lu-Chu Hsiang | Corresponding construction for inner framework, has recess designed at wire-receiving element with corresponding side of wire-receiving base, which receives element of earth plate and is positioned for adjusting wire |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2452401B1 (en) | 2014-06-11 |
| DE102009032546B4 (en) | 2011-04-21 |
| CN102474022A (en) | 2012-05-23 |
| EP2452401A1 (en) | 2012-05-16 |
| DE102009032546A1 (en) | 2011-01-13 |
| WO2011003605A1 (en) | 2011-01-13 |
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