CN103971956A - Installation switching device with connection terminal and terminal cover piece - Google Patents
Installation switching device with connection terminal and terminal cover piece Download PDFInfo
- Publication number
- CN103971956A CN103971956A CN201410045002.2A CN201410045002A CN103971956A CN 103971956 A CN103971956 A CN 103971956A CN 201410045002 A CN201410045002 A CN 201410045002A CN 103971956 A CN103971956 A CN 103971956A
- Authority
- CN
- China
- Prior art keywords
- terminal
- overlay
- clamp screws
- opening
- keeping arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 title claims abstract description 29
- 239000004020 conductor Substances 0.000 claims description 28
- 238000013459 approach Methods 0.000 claims description 21
- 230000004308 accommodation Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 description 19
- 239000011810 insulating material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/36—Conductive members located under tip of screw
- H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
- H01R4/366—Conductive members located under tip of screw with intermediate part between tip and conductive member intermediate part attached to the tip of the screw
Abstract
The invention relates to an installation switching device with a connection terminal and a terminal cover piece. Specifically, the installation switching device is provided with a shell body and a connecting terminal, wherein the connecting terminal comprises a terminal framework; the terminal framework is provided with a screw thread plate having an inner screw thread, a clamping plate and a side plate; in the inner screw thread, a clamping screw can be screwed out and in between a first open position and a second closed position; in the first open position, an end part is clamped is far away from the clamping plate; in the second closed position, the end part is clamped to be close to the clamping plate; the connecting terminal is configured to be provided with a terminal covering member having a maintaining arm and a covering plate. The covering plate can be attached to an end side part of the side plate in a led manner, and the covering plate is laterally and outwardly provided with an elastic maintaining arm which faces to the width direction of the shell body, the shell body is provided with a backstop member. When the terminal covering member is placed in the first open position, the elastic maintaining arm and the backstop member act together, and therefore the terminal covering member can be kept.
Description
Technical field
The present invention relates to a kind ofly according to the installation switchgear as described in the preamble of claim 1, have: housing, this housing at least have two wide sides, two narrow sides, front side and with the front side side that is relatively fixed, the joint Terminal (Anschlussklemme) being held in place in the region of narrow side place and the terminal spatial accommodation (Klemmenaufnahmeraum) between two wide sides, wherein, this joint Terminal comprises the terminal-framework (Klemmenrahmen) of surrounding clamping chamber (Klemmraum), this terminal-framework has year female thread plate (Gewindeplatte) on top, the grip block (Klemmplatte) of bottom and two side plates respectively with distolateral and wide side that thread plate is connected with grip block, wherein, in internal thread, can between the first position of opening and the second position of closing, back-out and be screwed into and be threaded handle, there is the clamp screws (Klemmschraube) of clamping end (Klemmende) and manipulation end, in the first position of opening, clamp end away from grip block, in the second position of closing, clamp end and abut in grip block place, wherein, joint Terminal is configured to terminal covering (Klemmenabdeckteil), this terminal covering have with the clamping end of clamp screws be connected knot keeping arm and be placed in this keeping arm place for cover clamping chamber overlay.
Background technology
This installation switchgear is for example line protection switch, and for example known from document DE 101 11 431 A1.There is narrow cross section and be suitable for introducing until 35mm at the joint Terminal of this demonstration
2the connection conductor of diameter.
Summary of the invention
Target of the present invention is, realize a kind of installation switchgear, it has: joint Terminal, this joint Terminal comprises the terminal-framework of surrounding clamping chamber, this terminal-framework has the female thread plate that carries on top, the grip block of bottom and two side plates respectively with narrow side and wide side that thread plate is connected with grip block, wherein, in internal thread, can between the first position neutralization second position of closing of opening, back-out and be screwed into and be threaded handle, there is the clamp screws of clamping end and manipulation end, in the first position of opening, clamp end away from grip block, in the second position of closing, clamp end and abut in grip block place, thereby can introduce and clamp (festklemmen) at this joint Terminal place with until 50mm
2the connection conductor of larger diameter, and wherein, not only little but also provide finger contact protection in the conductor of large connection.
According to the present invention, the target that the present invention proposes realizes by the installation switchgear of the feature with claim 1.
Therefore according to the present invention, overlay abuts in the distolateral place of side plate in directed movably mode, and be in side direction at this overlay and be outwards configured with flexible keeping arm towards the wide side of housing, and casing structure becomes with (medial) medially towards the stop part of keeping arm orientation, thus when terminal covering be arranged in first open position time flexible keeping arm and stop part one work for maintenance terminal covering.
By according to the present invention, overlay abuts in the distolateral place of side plate in directed movably mode, overlay is capped end subframe forward, also cover at least in part distolateral, even and if be useful at band that pilot tape has until 50mm
2the wide terminal-framework of large cross section of larger-diameter connection conductor time also provide the good guiding of terminal covering.Be in side direction according to the present invention at overlay and outwards cause that towards the flexibly keeping arm of structure of the wide side of housing terminal covering is in the favourable resiliency supported in housing wall place.Thus and with medially towards the coefficient mode of stop part of keeping arm orientation, terminal (Klemme) is remained in the position of opening, and can prevent that thus clamp screws from for example locking by shaking.
According to a favourable form of implementation of the present invention, in order to construct flexible keeping arm, in overlay, there is the recess of flute profile, the wide side that this recess starts to be parallel to side plate from the horizontal seamed edge in the face of the bottom of grip block of overlay is extended in the direction of the horizontal seamed edge on the top in the face of front side towards overlay, and this recess with being connected of overlay longitudinal seamed edge bottom and horizontal seamed edge top distance determine the width of flexible keeping arm.This is the mode that especially simply forms flexible keeping arm in the case of needn't molded additional parts at overlay place.At this, this overlay is made up of the insulating material of the flexible performance with good in an advantageous manner.
According to a favourable form of implementation of the present invention, keeping arm is configured to the protuberance of the lug shape of outwards stretching out from longitudinal seamed edge towards the wide side of housing with side direction in end freely at it.The protuberance of this lug shape is suitable as latch piece well, for make overlay and stop part kayser in such position, that is, and when clamp screws rotates up with thus when preventing that clamp screws from for example unclamping automatically by vibrations.
According to a favourable form of implementation of the present invention, the stop part that the housing that leads to terminal spatial accommodation in formation in the wall of narrow side that forms housing approaches longitudinal seamed edge place of portion's section (Ausschnitt) of the frame-type of opening is configured to stretch into the bridge part in the inner chamber that housing approaches opening.This bridge part can be out molded in the time of cast housing parts very simply.
According to a favourable form of implementation of the present invention, in the wall of narrow side that forms housing housing approach opening top in the face of the region between seamed edge and the front side of front side in be configured with the groove in the face of extending towards front side the seamed edge of front side that approaches the top of opening from housing, this groove for move to when clamp screws first open position time hold overlay, in this first open position, clamping end is away from grip block.This groove also can be regarded as recess.In the time that clamp screws is screwed out and overlay exceedes the thread plate on top of terminal-framework in the position on the top of clamp screws afterwards, overlay enters in this recess.Thus, overlay also can be directed in housing reliably in this position.Thus, overlay is also directed in housing reliably in this position.
According to a favourable form of implementation of the present invention, be in the convex shoulder that forms step and be configured with the connection protuberance with the diameter reducing with respect to thread handle in the clamping end of clamp screws, wherein, keeping arm is pulled on this connection protuberance for connecting mutually with clamp screws.
According to a favourable form of implementation of the present invention, be linked with pressure piece for being pressed between clamp screws and grip block connecting conductor with connecting protuberance, wherein keeping arm remains on connection protuberance place in not tear-away mode between pressure piece and the convex shoulder in the clamping end of clamp screws.
Obtain very favorable assemble sequence according to above-mentioned favourable design.At this, first clamp screws is screwed in the screw thread in the thread plate on top.Subsequently, keeping arm is shifted onto on the connection protuberance of clamp screws.For this reason, keeping arm can have with the opening corresponding to the opening profile of the outline of this connection protuberance almost.Subsequently, pressure piece is put in the part of the bottom that connects protuberance.The part of this bottom that connects protuberance can have from the keeping arm that connects protuberance for this reason and is contained in the diameter that this part is different.In particular, this lower part of connection protuberance can have less diameter.And then, this pressure piece is riveted or is locked together with the lower part that connects protuberance.Now, pressure piece and keeping arm and thus overlay be connected with clamp screws in not tear-away mode.Because clamp screws has been screwed in the screw thread in the thread plate on top in advance, and between the superposed thread plate of bare terminal end portion and the grip block of bottom of clamp screws, clamp screws is also connected with terminal-framework in not tear-away mode thus thus.
The form of implementation favourable according to another, keeping arm is stuck in or is contained in the clamping end of clamp screws and is kept in not tear-away mode thus between pressure piece and convex shoulder.For this reason, this keeping arm can have the those widened sections of fork-shaped in end freely at it, afterwards, utilizes two prongs keeping arm to be installed to the clamping end of clamp screws.In an advantageous manner, this prong has the performance of spring, thus keeping arm flexibly kayser clamp protuberance place.
By this favourable design, realize another favourable assemble sequence.At this, first also clamp screws is screwed in the screw thread in the thread plate on top.Subsequently, now at this, pressure piece is put in the lower part that connects protuberance and and then and rivets or locking with the bottom phase-splitting of this connection protuberance., pressure piece is connected in not tear-away mode with clamp screws.Because clamp screws has been screwed in the screw thread in the thread plate on top in advance and thus between the superposed thread plate of bare terminal end portion and the grip block of bottom of clamp screws, clamp screws is also connected with terminal-framework thus not tear-awayly.Now, keeping arm is shifted onto on the connection protuberance of clamp screws, entered in the region of upper part that connects protuberance, enter pressure piece and between the convex shoulder of the clamping end of clamp screws, and be flexibly clamped on this place, as described above.
Opening clamp screws,, in the time back-outing clamp screws, clamp screws can enter in idle stroke, this means, the screw thread of clamp screws is no longer bonded with each other in the state of this idle stroke with the screw thread in the thread plate on top.This idle stroke has prevented that overlay and pressure piece and terminal-framework from blocking in an advantageous manner.
According to favourable form of implementation of the present invention, the open construction that approaches that is placed in the manipulation end of leading to clamp screws at front side place becomes with surrounding circlewise the outstanding protrusion that approaches opening.This protrusion arranged according to the present invention has improved finger protection, that is, protect in case utilize the clamp screws of by mistake contact possibility of finger guide current.
Brief description of the drawings
Drawing and description are for understanding better object.Substantially the same or similar object or the parts of object can be provided with identical reference number.Accompanying drawing is only the schematic diagram of form of implementation of the present invention.
Wherein:
Fig. 1 shown in the time that terminal is closed according to the view of the narrow side of installation switchgear of the present invention, and wherein housing wall part is cut and part illustrates joint Terminal,
Fig. 2 has shown the view being applied according to the joint Terminal in installation switchgear of the present invention,
Fig. 3 shown with the otch of 90 ° of incisions according to the view of the joint Terminal of Fig. 3,
Fig. 4 shown in the time of the terminal partially opening according to the detailed view of the narrow side of installation switchgear of the present invention, and wherein housing wall part is cut and part illustrates joint Terminal,
Fig. 5 shown with the detailed view of the flexible keeping arm at the coefficient overlay of stop part place.
List of reference characters
1 installation switchgear
2 housings
3 wide sides
4 narrow sides
5 front sides
6 fixation side
7 terminal spatial accommodations
8 joint Terminals
9 clamping chambeies
10 terminal-framework
The thread plate on 11 tops
The grip block of 12 bottoms
13 side plates distolateral
13' side plate distolateral
The wide side of 14 side plates
The wide side of 14' side plate
15 side plates
15' side plate
16 clamp screws
17 clamping ends
18 handle end
19 terminal coverings
20 keeping arms
21 overlays
22 flexible keeping arms
The flexible keeping arm of 22'
23 stop parts
The recess of 24 slot types
The lower horizontal seamed edge of 25 overlays
The upper horizontal seamed edge of 26 overlays
Longitudinal seamed edge of 27 overlays
Longitudinal seamed edge of 27' overlay
The protuberance of 28 lug types
29 housings approach opening
30 housings approach longitudinal seamed edge of opening
31 housings approach the upper seamed edge of opening
32 grooves
The convex shoulder of 33 steps
34 connect protuberance
35 thread handles
36 pressure pieces
37 approach opening
38 protrusions
39 conductors
40 horizontal wiring openings
41 bridge parts
42 contact pin.
Embodiment
In the accompanying drawings, element similar and same or similar effect represents with identical reference number.
Fig. 1 has shown according to the view of the narrow side 4 of installation switchgear 1 of the present invention.At this, the line protection switch that this installation switchgear 1 is one pole, but it also can be multistage line protection switch or failure current protection switch etc.This line protection switch 1 has the housing 2 of being made up of insulating material, and this housing is usually by thermoplastics or thermoset plastics and utilize injection moulding process to make.Housing 2 have two wide sides respect to one another 3, two narrow sides 4 (only can find out at this), front side 5 and with this front side 5 side 6 that is relatively fixed.
In the region of narrow side 4 and between two wide sides 3, there is terminal spatial accommodation 7 and maintain therein joint Terminal 8.This joint Terminal 8 comprises terminal-framework 10.This terminal-framework 10 is surrounded clamping chamber 9.It is distolateral 13 that what the grip block 12 that carries female thread plate 11, bottom that this terminal-framework 10 has top made with two that thread plate 11 is connected with grip block 12 have respectively, 13' and wide side 14, the side plate 15 of 14', 15'.
Clamp screws 16 is screwed in internal thread.At this, clamp screws is headless screw.It has thread handle 35, clamping end 17 and handles end 18.Exist for the coupling opening of manipulation tool handling 18 places, end, in this case for the cross recess of cross recess screwdriver.This clamp screws can upwards be back-outed from clamping chamber 9.Afterwards, it is arranged in the first position of opening, and in this first open position, clamping end 17 is away from grip block 12.Clamp screws 16 also can be screwed into downwards in clamping chamber 9, until the second position of closing clamps end 17 and abuts in grip block 12 places in this second off-position.
As found out in Fig. 3, clamp screws 16 has pressure piece 36 at its clamping 17 places, end, and it also can be called as pressing plate 36.Clamp screws is utilized pressure piece to clamp and is introduced into (abisoliert) end pieces exposing that clamps the connection conductor in chamber 9.
In Fig. 4, can find out the joint Terminal 8 in the position partially opening.Can see conductors 39, it stretches in clamping chamber 9 and clamping chamber is divided into the section of upper and lower.The section on top extends between conductors 39 and thread plate 11, and the section of bottom extends between conductors 39 and grip block 12.Conductors 39 leads in the inside of installation switchgear 1, and it,, for a part for the current path by installation switchgear 1, can be connected to this part from outside by connection conductor by means of joint Terminal 8.In common installation switchgear, the section on the top in clamping chamber 9 is called as conductor and connects chamber, and it is for introducing and clamp connection conductor.In common installation switchgear, the section of bottom in clamping chamber 9 is also referred to as horizontal wire connection cavity, though its for connect the multiple installation switchgears that are arranged side by side 1 of horizontal wiring electric interconnective bus-bar.Correspondingly, isolating material housing 2 also has two openings near the narrow side place of of joint Terminal 8, i.e. conductor openings 29 (be also referred to as housing and approach opening below this) and laterally wiring opening.These two openings are separated from each other by bridge part 41 conventionally.
There is such demand, provide misplug to connect the requirement of protection, the same protection (Hintersteckschutz) of pegging graft behind.This means, in the time that closing, joint Terminal 8 (upwards pulls terminal-framework 10 towards front side 5 when fastening bolt is rotated down, is supported on conductors 39 and in the time continuing rotation, thereby grip block abut in horizontal wiring opening top, during towards the seamed edge place of front side 5), such measure is set, can introduce mistakenly in the horizontal wiring opening opening wide now or be not also introduced in conductor introducing opening and be supported on afterwards clamp screws place to connect conductor.
For this reason, be molded with in known manner reclinate at grip block 12 places and point to thus the contact pin 42 of fixation side 6.In the clamped position of closing (this is shown in Figure 1), this horizontal wiring opening has been sealed in contact pin 41.In the shown in Figure 4 clamped position of opening, terminal-framework 10 moves down, and contact pin 42 has discharged horizontal wiring opening 40 now.
In order to introduce the behind grafting protection at opening 29 places at conductor; joint Terminal 8 is configured to terminal covering 19, and it has the keeping arm 20 connecting mutually with the clamping end 17 of clamp screws 16 and is arranged on these keeping arm 20 places for covering the overlay 21 in clamping chamber 9.In the time that joint Terminal 8 is closed, overlay 21 seals conductor and introduces opening 29.This overlay is made up of the material that insulating and thus additionally for preventing with the parts of the guide current of joint Terminal 8 in the contact protection contacting unintentionally of introducing opening 29 places.In the region of horizontal wiring opening 40, the profile element that surrounds horizontal wiring opening 40 by swell in known manner provides contact protection.
Overlay 21 abuts in side plate 15 in directed movably mode, and 15''s is distolateral 13,13' place.Be in side direction at this overlay 21 and be outwards configured with flexible keeping arm 22,22' towards the wide side 3 of housing.Housing 2 is configured to medially towards keeping arm 22, the stop part 23 of 22' orientation.If clamp screws 18 is arranged in the first position of opening, so at the terminal covering 19 flexible keeping arms 22 in place, 22' with work for the stop part 23 1 that keeps terminal covering 19, this is shown in Figure 5 in particular.
Abut in side plate 15 by overlay 21 in directed movably mode, distolateral 13 of 15', 13' place, this overlay 21 capped end subframe 10 forward, distolateral 13, the at least part of Land cover of 13', even and terminal-framework 10 is very wide and while having large cross section, and be also with until 50mm
2the good guiding of introducing providing end subcovering part 19 of larger-diameter connection conductor.
Do not need overlay 21 fully to cover the distolateral 13 of side plate 15,13' at this.If realize this situation in favourable form of implementation, overlay additionally also meets such function so, that is, and the also complete capped end subframe at distolateral place.So, when overlay 21 only covers distolaterally 13 a little, when 13', also provide the guiding function of terminal covering.Also enough prevent from making overlay 21 through distolateral 13 even without covering, 13' is pressed in the clamping chamber 9 of terminal-framework.
Be at overlay 21 keeping arm 22 that side direction is flexibly constructed towards the wide side 3 of housing, 22' causes that terminal covering 19 is advantageously flexibly supported on housing wall place.Thus and also with medially towards keeping arm 22, the coefficient mode of stop part 23 of 22' orientation, remains on clamp screws 16 in the position of opening, and can prevent that thus clamp screws from for example locking by shaking.Advantageously, for client provides the installation switchgear with the joint Terminal of opening.Afterwards, can be client and ensure, it can introduce immediately and connect conductor or horizontal wire connecting portion after this installation switchgear is installed, and also needn't lose time in advance to check the port of joint Terminal or the joint Terminal of just screwing on even afterwards.
As shown in Fig. 4, the region that stop part 23 is arranged in conductor introduces opening 29.
In order to form flexible keeping arm 22,22', in overlay 21, there is the recess 24 of flute profile, its horizontal seamed edge 25 in the face of the bottom of grip block 12 from overlay 21 starts to be parallel to the wide side 14 of side plate 15 and extends towards the horizontal seamed edge 26 on the top in the face of front side 5 of overlay 21, and its with being connected of overlay 21 bottom with horizontal seamed edge 25 top, longitudinal seamed edge 27 of 26, the distance of 27' is determined flexible keeping arm 22, the width of 22'.This is the mode that especially simply forms flexible keeping arm in the case of needn't molded additional parts at overlay place.At this, this overlay is made up of the insulating material of the flexible performance with good in an advantageous manner.
Keeping arm 22,22' is configured to side direction outwards towards the wide side 3 of housing from longitudinal seamed edge 27 end freely at it, the protuberance 28 of the lug shape that 27' stretches out.The protuberance of this lug shape is suitable as latch piece well, for make overlay and stop part kayser in such position, that is, and when clamp screws rotates up with thus when preventing that clamp screws from for example unclamping automatically by vibrations.
Longitudinal seamed edge 30 places of the conductor introducing opening 29 of stop part 23 in the wall of narrow side 4 that forms housing 2 are configured to stretch into conductor and introduce the bridge part in the inner chamber of opening 29.This bridge part can be out molded in the time of shell cast housing parts very simply.
In the wall of narrow side 4 that forms housing 2 housing approach opening 29 top in the face of the region between seamed edge 31 and the front side 5 of front side 5 in be configured with the groove 32 extending towards front side 5 the seamed edge 31 of the front side 5 in the face of top that approaches opening 29 from housing.This groove also can be regarded as recess.It holds overlay 21 for moving to the first position of opening (clamping therein end 17 away from grip block 12) when clamp screws 16.In the time that clamp screws is screwed out and overlay exceedes the thread plate on top of terminal-framework in the position on the top of clamp screws afterwards, overlay enters in this recess.Thus, overlay also can be directed in housing reliably in this position.
At 17 places, clamping end of clamp screws 16, in the case of forming the convex shoulder 33 of step, be configured with the connection protuberance 34 with the diameter reducing with respect to thread handle 35.The keeping arm 20 of terminal covering 19 is pulled to and connects on protuberance 34 for connecting mutually with clamp screws 16.
Connect mutually with connection protuberance 34 for the pressure piece 36 connection conductor being pressed between clamp screws 16 and grip block 12 or between clamp screws and conductors 39, wherein, keeping arm 20 remains on and connects protuberance 34 places in not tear-away mode between pressure piece 36 and the 17Chu convex shoulder, clamping end 33 in clamp screws 16.
Obtain very favorable assemble sequence according to above-mentioned favourable design.At this, first clamp screws is screwed in the screw thread in the thread plate on top.Subsequently, keeping arm is shifted onto on the connection protuberance of clamp screws.For this reason, keeping arm can have with the opening corresponding to the opening profile of the outline of this connection protuberance almost.Subsequently, pressure piece is put in the part of the bottom that connects protuberance.The part of this bottom that connects protuberance can have from the keeping arm that connects protuberance for this reason and is contained in the diameter that this part is different.In particular, this lower part of connection protuberance can have less diameter.And then, this pressure piece is riveted or is locked together with the lower part that connects protuberance.Now, pressure piece and keeping arm and thus overlay be connected with clamp screws in not tear-away mode.Because clamp screws has been screwed in the screw thread in the thread plate on top in advance, and between the superposed thread plate of bare terminal end portion and the grip block of bottom of clamp screws, clamp screws is also connected with terminal-framework in not tear-away mode thus thus.
The form of implementation favourable according to another, the keeping arm between pressure piece and convex shoulder is stuck in or is contained in the clamping end of clamp screws and is kept in not tear-away mode thus.For this reason, this keeping arm can have the those widened sections of fork-shaped in end freely at it, afterwards, utilizes two prongs keeping arm to be installed to the clamping end of clamp screws.In an advantageous manner, this prong has the performance of spring, thus keeping arm flexibly kayser clamp protuberance place.
By this favourable design, realize another favourable assemble sequence.At this, first also clamp screws is screwed in the screw thread in the thread plate on top.Subsequently, now at this, pressure piece is put in the lower part that connects protuberance and and then and rivets or locking with the bottom phase-splitting of this connection protuberance., pressure piece is connected in not tear-away mode with clamp screws.Because clamp screws has been screwed in the screw thread in the thread plate on top in advance and thus between the superposed thread plate of bare terminal end portion and the grip block of bottom of clamp screws, clamp screws is also connected with terminal-framework thus not tear-awayly.Now, keeping arm is shifted onto on the connection protuberance of clamp screws, entered in the region of upper part that connects protuberance, enter pressure piece and between the convex shoulder of the clamping end of clamp screws, and be flexibly clamped on this place, as described above.
Opening clamp screws,, in the time back-outing clamp screws, clamp screws can enter in idle stroke, this means, the screw thread of clamp screws is no longer bonded with each other in the state in this idle stroke with screw thread at the thread plate on top.This idle stroke has prevented that overlay and pressure piece and terminal-framework from blocking in an advantageous manner.
The opening 37 that approaches that is placed in the manipulation end 18 for clamp screws 16 at 5 places, front side is configured to surround with taking turns cast the outstanding protrusion 38 that approaches opening 37.This protrusion 38 has improved finger protection, that is, protect in case utilize the clamp screws of by mistake contact possibility of finger guide current.
Claims (8)
1. an installation switchgear (1), have: housing (2), described housing (2) at least have two wide sides (3), two narrow sides (4), front side (5) and with described front side (5) side (6) that is relatively fixed, be held in place in the region of described narrow side (4) and be arranged in the joint Terminal (8) of the terminal spatial accommodation (7) between two wide sides (3), wherein, described joint Terminal (8) comprises the terminal-framework (10) of surrounding clamping chamber (9), described terminal-framework (10) has year female thread plate (11) on top, what the grip block (12) of bottom made with two that described thread plate (11) is connected with described grip block (12) has respectively distolateral (13, 13') with wide side (14, side plate (15 14'), 15'), wherein, in described internal thread, can between the first position of opening and the second position of closing, back-out and be screwed into and be threaded handle (35), there is the clamp screws (16) of clamping end (17) and manipulation end (18), clamp end (17) away from described grip block (12) described in described the first position of opening, abut in described grip block (12) and locate clamping end (17) described in described the second position of closing, wherein said joint Terminal (8) is configured to terminal covering (19), described terminal covering (19) has the keeping arm (20) connecting mutually with the clamping end (17) of described clamp screws (16) and is placed in described keeping arm (20) locates the overlay (21) for covering described clamping chamber (9), it is characterized in that, described overlay (21) abuts in described side plate (15 in directed movably mode, 15') distolateral (13, 13') locate, be in side direction at described overlay (21) and be outwards configured with flexible keeping arm (22 towards the wide side of described housing (3), 22'), described housing (2) is configured to medially towards described keeping arm (22, 22') directed stop part (23), when described terminal covering (19) be arranged in described first open position time described in flexible keeping arm (22, 22') work for keeping described terminal covering (19) with described stop part (22).
2. installation switchgear according to claim 1 (1), it is characterized in that, in order to construct described flexible keeping arm (22, 22'), in described overlay (21), there is the recess (24) of flute profile, the wide side (14) that this recess starts to be parallel to described side plate (15) from the horizontal seamed edge (25) in the face of the bottom of described grip block (12) of described overlay (21) is extended in the direction of the horizontal seamed edge (26) on the top in the face of described front side (5) towards described overlay (21), and this recess and being connected of described overlay (21) bottom with horizontal seamed edge (25 top, 26) longitudinal seamed edge (27, distance 27') is determined described flexible keeping arm (22, width 22').
3. installation switchgear according to claim 2 (1), it is characterized in that, described keeping arm (18) is configured to the protuberance (28) of the lug shape of outwards stretching out from described longitudinal seamed edge (27,27') towards the wide side of described housing (3) with side direction in end freely at it.
4. installation switchgear according to claim 1 (1), it is characterized in that, the described stop part in longitudinal seamed edge place (30) (23) that the housing that leads to described terminal spatial accommodation (7) in formation in the wall of narrow side (4) that forms described housing (2) approaches portion's section of the frame-type of opening (29) is configured to stretch into the bridge part in the inner chamber that described housing approaches opening (29).
5. installation switchgear according to claim 4 (1), it is characterized in that, in the wall of narrow side (4) that forms described housing (2) described housing approach opening (29) top in the face of the region between seamed edge (31) and described front side (5) of described front side (5) in be configured with from described housing approach opening (29) top in the face of the seamed edge (31) of described front side (5) towards the groove (32) of described front side (5) extension, hold described overlay (21) when move in described the first position of opening when described clamp screws (16), described in described the first open position, clamping end (17) away from described grip block (12).
6. installation switchgear according to claim 1 (1), it is characterized in that, be in the convex shoulder (33) that forms step and be configured with the connection protuberance (34) with the diameter reducing with respect to described thread handle (35) in the clamping end (17) of described clamp screws (16), it is upper for connecting mutually with described clamp screws (16) that described keeping arm (20) is pulled to described connection protuberance (24).
7. installation switchgear according to claim 6 (1), it is characterized in that, pressure piece (36) connects mutually for pushing and connects conductor with described connection protuberance (34), remains on described connection protuberance (34) and locate between the convex shoulder (33) that wherein said keeping arm (20) is located at described pressure piece (36) with in the clamping end (17) of described clamp screws (16).
8. installation switchgear according to claim 1 (1), it is characterized in that, be placed in the manipulation end (18) of leading to described clamp screws (16) located described front side (5) approach opening (37) be configured to annular shape surround the described outstanding protrusion (38) that approaches opening (37).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310002009 DE102013002009A1 (en) | 2013-02-06 | 2013-02-06 | Installation switching device with connection terminal and terminal cover part |
| DE102013002009.3 | 2013-02-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103971956A true CN103971956A (en) | 2014-08-06 |
| CN103971956B CN103971956B (en) | 2017-08-08 |
Family
ID=49920126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410045002.2A Active CN103971956B (en) | 2013-02-06 | 2014-02-07 | Installation switchgear with joint Terminal and terminal cover part |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2765654B1 (en) |
| CN (1) | CN103971956B (en) |
| DE (1) | DE102013002009A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010816A (en) * | 2017-12-28 | 2018-05-08 | 高锦 | A kind of connecting terminal components for miniature circuit breaker |
| CN108172479A (en) * | 2018-02-01 | 2018-06-15 | 雅絮智能科技有限公司 | A kind of moving contact of breaker of plastic casing |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016111711A1 (en) * | 2016-06-27 | 2017-12-28 | Abb Schweiz Ag | Installation switching device with a housing and with a screw terminal |
| DE102016113355A1 (en) * | 2016-07-20 | 2018-01-25 | B. Braun Melsungen Ag | Medical-technical clamping device with slip clutch |
| DE102016122852A1 (en) * | 2016-11-28 | 2018-05-30 | Abb Schweiz Ag | Installation switching device with contact terminal |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8900228U1 (en) * | 1989-01-11 | 1989-02-23 | Wilhelm Rutenbeck Gmbh & Co, 5885 Schalksmuehle, De | |
| FR2742918B1 (en) * | 1995-12-20 | 1998-02-06 | Schneider Electric Sa | DEVICE FOR CONNECTING AN OUTDOOR CONDUCTOR SUCH AS A CABLE TO A CONTACT RANGE OF AN ELECTRICAL APPARATUS |
| FR2777703B1 (en) * | 1998-04-17 | 2002-11-29 | Schneider Electric Ind Sa | CONNECTION ACCESSORY AND TERMINAL EQUIPPED WITH SUCH AN ACCESSORY |
| FR2795560B1 (en) * | 1999-06-23 | 2003-04-04 | Entrelec Sa | WIRE CLAMP PROVIDED WITH A TOUCH PROTECTION DEVICE |
| FR2806215B1 (en) | 2000-03-10 | 2004-02-06 | Schneider Electric Ind Sa | TERMINAL FOR CONNECTING CONDUCTORS TO AN ELECTRICAL APPARATUS |
| DE10018352C1 (en) * | 2000-04-13 | 2001-09-27 | Siemens Ag | Clamp arrangement with housing for automatic cut-out or fault- current (FI) circuit-breaker circuit |
| DE10340465A1 (en) * | 2003-09-03 | 2005-05-12 | Abb Patent Gmbh | Terminal box covering part for an electric automatic cutout/line safety switch has a connecting terminal inside a switchgear casing and a retaining area between two links |
| DE10344735B4 (en) * | 2003-09-26 | 2012-08-09 | Abb Ag | Electrical installation device |
| DE102007041650A1 (en) * | 2006-10-28 | 2008-04-30 | Abb Ag | Installation switching device and connection terminal for an installation switching device |
| DE102008050929A1 (en) * | 2008-10-10 | 2010-04-15 | Abb Ag | Installation switching device with a clamping screw |
-
2013
- 2013-02-06 DE DE201310002009 patent/DE102013002009A1/en not_active Withdrawn
-
2014
- 2014-01-11 EP EP14000093.6A patent/EP2765654B1/en active Active
- 2014-02-07 CN CN201410045002.2A patent/CN103971956B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010816A (en) * | 2017-12-28 | 2018-05-08 | 高锦 | A kind of connecting terminal components for miniature circuit breaker |
| CN108172479A (en) * | 2018-02-01 | 2018-06-15 | 雅絮智能科技有限公司 | A kind of moving contact of breaker of plastic casing |
| CN108172479B (en) * | 2018-02-01 | 2024-04-09 | 雅絮智能科技有限公司 | Moving contact of molded case circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103971956B (en) | 2017-08-08 |
| EP2765654B1 (en) | 2017-04-19 |
| EP2765654A1 (en) | 2014-08-13 |
| DE102013002009A1 (en) | 2014-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015204300B2 (en) | Terminal block with ground strap, spring force terminals, and screw lug terminal | |
| CN103971956A (en) | Installation switching device with connection terminal and terminal cover piece | |
| US20160118744A1 (en) | Electrical Plug Type Connector And Plug Type Connector System For An Electric Or Hybrid Vehicle | |
| US9843144B2 (en) | Electrical devices with longitudinal electrical conductor entries | |
| US11217930B2 (en) | Seal cover | |
| US9509065B2 (en) | Wire cut and tap with bypass feature | |
| CN107534244B (en) | Modularization plug-in connector | |
| US9337556B2 (en) | Pump unit with electrical connection plug | |
| US20110294335A1 (en) | Electrical connector | |
| CN105637711A (en) | Plug connector module | |
| CN106575840A (en) | Plug adapter for an electrical device for plugging in supply lines, and system formed by a plug adapter and a device | |
| US10014595B2 (en) | Connector assembly for an electrical device | |
| FI122430B (en) | Connector for connecting electrical wires | |
| KR102591645B1 (en) | Connector assembly | |
| US9660362B2 (en) | Device for electrical connection having an auxiliary output, and switching appliance having such a device | |
| US9035203B2 (en) | Electrical interface interlock system | |
| KR102006521B1 (en) | Electrical zero force plug connector | |
| KR101794339B1 (en) | Joint connector for vehicle | |
| US10490927B2 (en) | Self-enclosed electrical assembly with wire crimping structure | |
| CN105405725B (en) | Insurance module | |
| CN103928240B (en) | The electric unit device of control unit | |
| KR101608363B1 (en) | Joint connector | |
| CN106847625A (en) | Electric switch equipment | |
| CN102484001A (en) | Installation switchgear having a terminal cover part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |