EP0118678B1 - Rail-mounted fused-terminal - Google Patents

Rail-mounted fused-terminal Download PDF

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Publication number
EP0118678B1
EP0118678B1 EP84100509A EP84100509A EP0118678B1 EP 0118678 B1 EP0118678 B1 EP 0118678B1 EP 84100509 A EP84100509 A EP 84100509A EP 84100509 A EP84100509 A EP 84100509A EP 0118678 B1 EP0118678 B1 EP 0118678B1
Authority
EP
European Patent Office
Prior art keywords
fuse
terminal
socket
fused
fused terminal
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.)
Expired
Application number
EP84100509A
Other languages
German (de)
French (fr)
Other versions
EP0118678A1 (en
Inventor
Zdenek Krec
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to AT84100509T priority Critical patent/ATE23005T1/en
Publication of EP0118678A1 publication Critical patent/EP0118678A1/en
Application granted granted Critical
Publication of EP0118678B1 publication Critical patent/EP0118678B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • H01H85/547—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers with sliding fuse carrier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/26—Magazine arrangements
    • 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
    • H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
    • H01R9/265—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component with built-in fuse

Definitions

  • the invention relates to a fuse terminal, in the base counter contacts to switch contacts on an operating element with a fuse link are arranged, in detail according to the preamble of claim 1.
  • a fuse terminal is known (FR-A-2 031 698).
  • the counter-contacts are sunk in a base, so that one can speak of a cover strip provided on the base.
  • a securing insert is arranged in a carrier, which can be lifted off the base in the case of an elongated hole hinge and can be folded away laterally in a rotational movement.
  • the fuse link is either always accessible, which can touch live parts when the fuse link is in the inserted position, or the carrier is closed at the side, so that a fuse link cannot be easily replaced even when the carrier is in the raised and rotated position.
  • the invention has for its object to further develop a fuse clip so that in every switching position - on, off, changing the fuse link - finger safety with regard to live parts is guaranteed.
  • the operating element is pushed into the base and not only placed on the base.
  • the fuse holder is lifted together with the guide piece from the base into the switch-off position and then rotated transversely with respect to the guide piece. The fuse link can then be replaced safely without the possibility of touching live parts with your fingers or manipulating it to inadmissible current draw.
  • At least one additional holder for a replacement fuse insert is formed on the fuse carrier above the holder for the contact-making safety insert.
  • a particularly material-saving and easy-to-assemble fuse clamp is obtained if the fuse carrier has an operating element which merges into an axially arranged body below a shoulder which is extended as a cover strip and which extends around the space for accommodating the fuse insert or fuse inserts the cover strip is locked. This results in a stable fuse carrier, which, in cooperation with the base, guarantees finger protection in every switching position.
  • FIGS. 10 and 11 illustrate how the securing clamp can be held on a mounting rail in two different positions after the base foot has been configured.
  • Fig. 12 it is illustrated how the fuse terminal can be arranged in series with other terminal blocks on a mounting rail so that all terminal blocks are aligned with one another on one end face, so that they can be fed in via a common busbar or busbar.
  • the fuse carrier 6 is rotatably held in a guide piece 7, which in turn is guided displaceably in the base 1.
  • the fuse carrier 6 latches in its horizontal position. It closes the base 1 by cover strips 8 both in the inserted position (according to FIG. 1) and in the raised position (FIGS. 5 and 7). In the raised and rotated position according to FIG. 7, the cover strips 8 give access to the holder 9 for the left fuse link 5 free.
  • the fuse carrier 6 has at least one additional bracket 9a for a replacement fuse link 5a above the bracket 9 for the contact-making fuse link 5.
  • the replacement fuse link 5a can also be removed.
  • the fuse link 5 has an operating element 4, which merges into an axially arranged body 10 below a shoulder extended as a cover strip 8, as can be seen in particular from FIG. 2.
  • the body 10 is locked with an extension of the cover strip 8 which is guided around the space for accommodating the fuse link or fuse links.
  • the extension of the cover strip at the latching point forms a tongue 11, see also FIG. 3, the barbed projecting back 12 of which is gripped behind by a knob 13 of the body 10.
  • the back of the tongue 11 works in a wedge shape against an abutment 14 formed on the body 10 according to FIG. 3.
  • the front of the tongue is adapted to the shape of the fuse link 5.
  • the tongue 11 is thereby part of the holder 9 for the fuse link 5th
  • a weak point 15 is formed in the manner of a film gate hinge.
  • the fuse link 5 can be ejected by pressing on the operating element 4 and on the extension of the cover strip 8.
  • FIG. 9 the pressure emanating from the fingers of one hand 16 is illustrated with an arrow 17.
  • the guide piece 7 according to FIG. 3 has a square axis 18 which engages in a corresponding recess 19 in the body 10 of the fuse carrier 6 according to FIG. 2.
  • the wall of the recess 19 is formed by cutouts 20 elastic.
  • the guide piece 7, compare for example Fig. 3, is essentially spatially U-shaped. Its opposite cheeks 7a and 7b form at their free ends the square axis 18 by means of two press-on formations 18a and 18b.
  • the guide piece 7 according to FIGS. 5 and 6 has groove-like, fork-like recesses 21 extending from the outside of the cheek between the free cheek end and above the cheek root.
  • a barb-like molding 22 of the base engages in these recesses 21, as a result of which the lifting height of the guide piece 7 is thus limited to the fuse carrier 6.
  • a nub-like recess 23 is formed in the cheeks between the cheek root and the recess 21 of the guide piece 7, into which a button-like molding 24 of the base 1 in the raised position of the fuse carrier engages.
  • the operating element 4 according to FIG. 1 forms lateral grooves 27 in the direction of the series terminal designed as a fuse terminal, in which coupling strips 28 can engage to adjacent fuse terminals. This means that several fuse terminals can be operated in conjunction.
  • the base foot of the securing clamp can have holding arms 30 according to FIG. 1 in a manner known per se in order to fasten the securing clamp to carrier rails.
  • the holding arms 30 work in pairs so that the securing terminal can be placed on a support rail 31 in the middle or at the end, according to FIGS. 10 and 11, in such a way that the connection side can be aligned with busbars 32 for conventional short terminal blocks.
  • clamping screws 33 can be arranged in addition to the space for the fuse inserts isolated by a base wall, the terminal locations of which are aligned with connection openings 34 to the end face of the fuse terminal.
  • the clamping screws 33 can have guide webs 35, or guide grooves, for a pressure piece 36 with a corresponding guide means below their screw head.
  • the pressure piece 36 rests roof-shaped on the guide web 35. This results in an open clamp into which a conductor to be connected can be inserted without having to lift the pressure piece beforehand by hand.

Landscapes

  • Fuses (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Seal Device For Vehicle (AREA)
  • Supports For Pipes And Cables (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Lead Frames For Integrated Circuits (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

1. A fused terminal, in whose socket (1) there are arranged counter-contacts (2) for swtich contacts (3) on an operating member (4), where the switch contacts (3) are formed by a holder (9) for fuse links (5) with two contacts elements, which are arranged opposite one another spaced apart on a fuse carrier (6), the fuse carrier (6) is mounted so that is can be lifted and is rotationally movable and lockable, and the counter-contacts (2) in the socket (1) are covered by covering strips (8) so as to be safe from touch, characterized in that the fuse carrier (6) is secured in a guide piece (7) which for its part, is guided in the socket (1) in liftable manner, so that the counter-contacts (2) in the socket (1) are covered by covering strips (8) on the fuse carrier (6) in the inserted and the lifted position so as to be safe from touch ; but that in the lifted and transversely rotated position, the covering strip (8) leaves free access to the holder (9) for the fuse link (5).

Description

Die Erfindung bezieht sich auf eine Sicherungsklemme, in deren Sockel Gegenkontakte zu Schaltkontakten an einen Bedienungsglied mit einem Sicherungseinsatz angeordnet sind, im einzelnen nach Gattungsbegriff von Anspruch 1. Eine derartige Sicherungsklemme ist bekannt (FR-A-2 031 698).The invention relates to a fuse terminal, in the base counter contacts to switch contacts on an operating element with a fuse link are arranged, in detail according to the preamble of claim 1. Such a fuse terminal is known (FR-A-2 031 698).

Bei diese bekannten als Klemme ausgebildeten Sicherungsklemme, die einen Sicherungseinsatz oder andere elektrische Bauteile in einem Träger mit Bedienungsglied aufnehmen kann, liegen die Gegenkontakte in einem Sockel versenkt angeordnet, so daß man von einer am Sockel vorgesehenen Abdeckleiste sprechen kann. Bei diese Sicherungsklemme ist ein Sicherungseinsatz in einem Träger angeordnet, der bei einem Langlochscharnier vom Sockel abgehoben und in einer Drehbewegung seitlich weggeklappt werden kann. In diesem Träger ist der Sicherungseinsatz entweder immer zugänglich, was in eingeschobener Position spannungsführende Teile beim Sicherungseinsatz berühren läßt, oder der Träger ist seitlich abgeschlossen, wodurch ein Sicherungseinsatz auch in herausgehobener und verdrehter Position des Trägers nicht ohne weiteres ausgewechselt werden kann.In this known fuse clamp designed as a clamp, which can accommodate a fuse link or other electrical components in a carrier with an operating element, the counter-contacts are sunk in a base, so that one can speak of a cover strip provided on the base. With this securing clip, a securing insert is arranged in a carrier, which can be lifted off the base in the case of an elongated hole hinge and can be folded away laterally in a rotational movement. In this carrier, the fuse link is either always accessible, which can touch live parts when the fuse link is in the inserted position, or the carrier is closed at the side, so that a fuse link cannot be easily replaced even when the carrier is in the raised and rotated position.

Bei einer anderen bekannten Sicherungsklemme (DE-B-2 364 972) ist mit einem Sockel in Form einer Reihenklemme un eine Achse herausschwenkbar und infolge eines Langlochs längs verschieblich ein Schwenkhebel gelagert, der als Unterteil für einen Sicherungseinsatz ausgebildet ist. Im eingeklappten Zustand geben Federkontakte zu Anschlußstücken im Sockel elektrischen Kontakt. Wohl kann im herausgeklappten Zustand der Sicherungseinsatz spannungsfrei ausgewechselt werden, in Sockel der Klemme liegen die Anschlußstücke und somit auch das unter Spannung stehende Anschlußstück jedoch offen. Es besteht also kein Schutz gegen Berühren spannungsführender Teile, so daß Fingersicherheit nicht erfüllt ist.In another known fuse terminal (DE-B-2 364 972) with a base in the form of a terminal block and an axis can be pivoted out and, as a result of an elongated hole, a pivoting lever is mounted, which is designed as a lower part for a fuse link. When folded, spring contacts make electrical contact with connectors in the base. The fuse link can be replaced without tension when it is folded out, but the connectors and thus the live connector are open in the base of the terminal. So there is no protection against touching live parts, so finger safety is not fulfilled.

Der Erfindung liegt die Aufgabe zugrunde, eine Sicherungsklenne so weiterzuentwickeln, daß in jeder Schaltposition - Ein, Aus, Wechseln des Sicherungseinsatzes - Fingersicherheit hinsichtlich spannungsführender Teile gewährleistet ist.The invention has for its object to further develop a fuse clip so that in every switching position - on, off, changing the fuse link - finger safety with regard to live parts is guaranteed.

Die Lösung der geschilderten Aufgabe besteht nach der Erfindung im einer Sicherungsklemne nit den kennzeichnenden Merkmalen nach Anspruch 1.The solution to the problem described is according to the invention in a fuse terminal nit with the characterizing features of claim 1.

Bei einer solchen Sicherungsklemme wird das Bedienglied in den Sockel eimgeschoben und nicht nur auf den Sockel aufgesetzt. Zum Auswechseln des Sicherungseinsatzes wird der Sicherungsträger zusammen nit dem Führungsstück aus den Sockel in die Ausschaltposition hochgehoben und dann himsichtlich des Führungsstücks quergedreht. Der Sicherungseinsatz kann dann ohne die Möglichkeit, spannungsführende Teile mit den Fingern zu berühren oder zu unzulässiger Stromentnahme zu manipulieren, gefahrlos ausgewechselt werden.With such a securing clamp, the operating element is pushed into the base and not only placed on the base. To replace the fuse link, the fuse holder is lifted together with the guide piece from the base into the switch-off position and then rotated transversely with respect to the guide piece. The fuse link can then be replaced safely without the possibility of touching live parts with your fingers or manipulating it to inadmissible current draw.

Nach einer Weiterbildung ist am Sicherungsträger oberhalb der Halterung für dem kontaktgebendem Sicherumgseinsatz zumindest eime weitere Halterung für einen Ersatzsicherungseinsatz ausgebildet. Hierdurch kann ohnehin für die Schaltbewegung erforderlicher Raum zum Unterbringen einer Ersatzsicherung genutzt werden. Die Sicherungsklenme braucht also zun Unterbringen einer Ersatzsicherung nicht voluminöser ausgebildet zu werden.According to a further development, at least one additional holder for a replacement fuse insert is formed on the fuse carrier above the holder for the contact-making safety insert. As a result, the space required for the switching movement to accommodate a replacement fuse can be used anyway. The backup cycle does not need to be designed to be more voluminous in order to accommodate a replacement fuse.

Eine besonders materialsparende und leicht zu montierende Sicherungsklemme erhält man, wenn der Sicherungsträger ein Bedienglied aufweist, das unterhalb einer als Abdeckleiste verlängerten Schulter in einen axial angeordneten Körper übergeht, der mit einer um den Raum zur Unterbringung des Sicherungseinsatzes, bzw. der Sicherungseinsätze, herungeführten Verlängerung der Abdeckleiste verrastet ist. Hierdurch erzielt man einen stabilen Sicherungsträger, der im Zusammenwirken mit dem Sockel in jeder Schaltposition Fingerschutz gewährleistet.A particularly material-saving and easy-to-assemble fuse clamp is obtained if the fuse carrier has an operating element which merges into an axially arranged body below a shoulder which is extended as a cover strip and which extends around the space for accommodating the fuse insert or fuse inserts the cover strip is locked. This results in a stable fuse carrier, which, in cooperation with the base, guarantees finger protection in every switching position.

Man kann den Sicherungseinsatz durch bloßen Fingerdruck von außen auf Bedienglied und Verlängerung der Abdeckleiste leicht ohne hakelige Arbeit auswerfen, wenn die Verlängerung der Abdeckleiste an der Raststelle eine Zunge bildet, deren widerhakenartig vorspringender Rücken von einer Noppe des Körpers hintergriffen ist, deren Rücken zur Zungenspitze keilförmig gegen ein am Körper ausgebildetes Widerlager arbeitet und deren Vorderseite der Form des Sicherungseinsatzes angepaßt ist. Diese Vorderseite ist dann Teil der Halterung für den Sicherungseinsatz, wobei in der Verlängerung der Abdeckleiste eine Schwachstelle nach Art eines Filmangußscharniers ausgebildet sein kann, um das Auswerfen des Sicherungseinsatzes besonders leichtgängig zu ermöglichen.You can easily eject the fuse link by simply pressing your finger on the outside of the control element and extending the cover strip without choppy work if the extension of the cover strip forms a tongue at the rest point, the barb-like projecting back of which is gripped by a knob on the body, the back of which is wedge-shaped towards the tip of the tongue works against an abutment formed on the body and the front of which is adapted to the shape of the fuse link. This front is then part of the holder for the fuse link, and a weak point in the manner of a film gate hinge can be formed in the extension of the cover strip in order to allow the fuse link to be ejected particularly smoothly.

Die Erfindung und weitere Ausgestaltungen sollen nun anhand von in der Zeichnung schematisch wiedergegebenen Ausführungsbeispielem näher erläutert werden:

  • In Fig. 1 ist die Sicherungsklemme in Seitenansicht bei abgenommemer Abdeckung wiedergegeben. Die einzelnen Bauteile der Sicherungsklemme kann man sich in eine Hälfte von zwei zusammemklappbaren Gehäuseschalen eingelegt vorstellen.
  • In Fig. 2 ist der Sicherungsträger der Sicherungsklemme nach Fig. 1 für sich dargestellt.
  • In Fig. 3 ist ein Schnitt durch die Sicherumgsklemme, nach Fig. 1 längs 111-111 genommen, jedoch bei aufgelegter Abdeckung, veranschaulicht.
  • In Fig. 4 ist in der Art der Darstellung nach Fig. 3 ein Schnitt längs IV-IV nach Fig. 1 wiedergegebem.
  • In Fig. 5 ist die Sicherungsklemme nach Fig. 1 bei herausgehobener Position des Sicherungsträgers, also in der Ausschaltposition, veranschaulicht.
  • In Fig. 6 ist ein Schnitt durch die Sicherungsklemme nach Fig. 5, jedoch bei aufgelegter Abdeckung, längs VI-VI genommen, dargestellt.
  • In Fig. 7 ist die Sicherungsklemme in der Position zum Wechseln des Sicherungseinsatzes wiedergegeben.
  • In Fig. 8 ist anhand der Sicherungsklemme mach Fig. 7 veranschaulicht, wie der Sicherungseinsatz durch Fingerdruck auf Bedienglied und Verlängerung der Abdeckleiste des Sicherungsträgers ausgeworfen werden kann.
  • In Fig. 9 ist die Ansicht eines Schnitts längs IX-IX nach Fig. 8 dargestellt.
The invention and further refinements are now to be explained in more detail with reference to exemplary embodiments schematically shown in the drawing:
  • In Fig. 1 the fuse terminal is shown in side view with the cover removed. The individual components of the fuse terminal can be imagined in half of two collapsible housing shells.
  • In Fig. 2 the fuse carrier of the fuse terminal according to Fig. 1 is shown for itself.
  • FIG. 3 shows a section through the safety clamp, taken along 111-111 according to FIG. 1, but with the cover in place.
  • 4 is in the manner of the representation of FIG. 3 shows a section along IV-IV according to FIG. 1.
  • In Fig. 5, the fuse terminal of Fig. 1 is illustrated with the fuse holder in the raised position, that is to say in the off position.
  • In Fig. 6 is a section through the fuse terminal of Fig. 5, but taken with the cover, taken along VI-VI, shown.
  • In Fig. 7, the fuse clip is shown in the position for changing the fuse link.
  • FIG. 8 shows how the fuse link can be ejected by finger pressure on the operating element and extension of the cover strip of the fuse carrier using the fuse clamp mach.
  • FIG. 9 shows the view of a section along IX-IX according to FIG. 8.

In den Figuren 10 und 11 ist veranschaulicht, wie die Sicherungsklemme nach einer Ausgestaltung des Sockelfußes in zwei unterschiedlichen Positionen auf einer Tragschiene gehalten werden kann.FIGS. 10 and 11 illustrate how the securing clamp can be held on a mounting rail in two different positions after the base foot has been configured.

In Fig. 12 ist veranschaulicht, wie die Sicherungsklemme in Anreihung mit anderen Reihenklemmen so auf einer Tragschiene angeordnet werden kann, daß alle Reihenklemmen an einer Stirnseite miteinander fluchten, so daß sie über eine gemeinsame Sammelschiene bzw. Stromschiene eingespeist werden können.In Fig. 12 it is illustrated how the fuse terminal can be arranged in series with other terminal blocks on a mounting rail so that all terminal blocks are aligned with one another on one end face, so that they can be fed in via a common busbar or busbar.

Die Sicherungsklemme nach Fig. 1 weist einen Sockel 1 nach Art von Reihenklemmen auf, in dem Gegenkontakte 2 angeordnet sind, die mit Schaltkontakten 3 zusammenarbeiten, die einen Bedienglied 4 zugeordnet sind. Die Schaltkontakte 3 sind durch eine Halterung 9 für Sicherungseinsätze 5 mit zwei auf Abstand gegenüberliegenden Kontaktgliedern, den Kontaktkappen, an einem Sicherungsträger 6 gebildet. Der Sicherungsträger 6 ist drehbeweglich in einem Führungsstück 7 gehalten, das seinerseits heraushebbar verschieblich im Sockel 1 geführt ist. Der Sicherungsträger 6 verrastet dabei in seiner horizontalen Lage. Er schließt den Sockel 1 durch Abdeckleisten 8 sowohl in eingeschobener - nach Fig. 1 - als auch in herausgehobener Position ab - Fig. 5, Fig. 7. In herausgehobener und gedrehter Position nach Fig. 7 geben die Abdeckleisten 8 einen Zugriff zur Halterung 9 für den linken Sicherungseinsatz 5 frei.1 has a base 1 in the manner of terminal blocks, in which counter contacts 2 are arranged, which cooperate with switching contacts 3, which are associated with an operating element 4. The switch contacts 3 are formed on a fuse holder 6 by a holder 9 for fuse links 5 with two contact members at a distance, the contact caps. The fuse carrier 6 is rotatably held in a guide piece 7, which in turn is guided displaceably in the base 1. The fuse carrier 6 latches in its horizontal position. It closes the base 1 by cover strips 8 both in the inserted position (according to FIG. 1) and in the raised position (FIGS. 5 and 7). In the raised and rotated position according to FIG. 7, the cover strips 8 give access to the holder 9 for the left fuse link 5 free.

Im Ausführungsbeispiel nach Fig. 1 weist der Sicherungsträger 6 oberhalb der Halterung 9 für den kontaktgebenden Sicherungseinsatz 5 zumindest eine weitere Halterung 9a für einen Ersatzsicherungseinsatz 5a auf. In der Position zum Auswechseln des Sicherungseinsatzes 5 nach Fig. 7 kann auch der Ersatzsicherungseinsatz 5a entnommen werden.In the exemplary embodiment according to FIG. 1, the fuse carrier 6 has at least one additional bracket 9a for a replacement fuse link 5a above the bracket 9 for the contact-making fuse link 5. In the position for exchanging the fuse link 5 according to FIG. 7, the replacement fuse link 5a can also be removed.

Der Sicherungseinsatz 5 weist ein Bedienglied 4 auf, das unterhalb einer als Abdeckleiste 8 verlängerten Schulter in einen axial angeordneten Körper 10 übergeht, wie es insbesondere aus Fig. 2 zu ersehen ist. Der Körper 10 ist mit einer um den Raum zur Unterbringung des Sicherungseinsatzes, bzw. der Sicherungseinsätze, herumgeführten Verlängerung der Abdeckleiste 8 verrastet. Hierzu bildet die Verlängerung der Abdeckleiste an der Raststelle eine Zunge 11, man vergleiche auch Fig. 3, deren widerhakenartig vorspringender Rücken 12 von einer Noppe 13 des Körpers 10 hintergriffen wird. Der Rücken der Zunge 11 arbeitet keilförmig gegen ein an Körper 10 ausgebildetes Widerlager 14 nach Fig. 3. Die Vorderseite der Zunge ist der Form des Sicherungseinsatzes 5 angepaßt. Die Zunge 11 ist dadurch Teil der Halterung 9 für den Sicherungseinsatz 5.The fuse link 5 has an operating element 4, which merges into an axially arranged body 10 below a shoulder extended as a cover strip 8, as can be seen in particular from FIG. 2. The body 10 is locked with an extension of the cover strip 8 which is guided around the space for accommodating the fuse link or fuse links. For this purpose, the extension of the cover strip at the latching point forms a tongue 11, see also FIG. 3, the barbed projecting back 12 of which is gripped behind by a knob 13 of the body 10. The back of the tongue 11 works in a wedge shape against an abutment 14 formed on the body 10 according to FIG. 3. The front of the tongue is adapted to the shape of the fuse link 5. The tongue 11 is thereby part of the holder 9 for the fuse link 5th

In der Verlängerung der Abdeckleiste 8 nach Fig. 2 ist eine Schwachstelle 15 nach Art eines Filmangußscharniers ausgebildet. In der Position Wechseln des Sicherungseinsatzes, nach Fig. 7 und nach Fig. 8, kann der Sicherungseinsatz 5 durch Druck auf das Bedienglied 4 und auf die Verlängerung der Abdeckleiste 8 ausgeworfen werden. In Fig. 9 ist der von den Fingern einer Hand 16 ausgehende Druck jeweils mit einem Pfeil 17 veranschaulicht.In the extension of the cover strip 8 according to FIG. 2, a weak point 15 is formed in the manner of a film gate hinge. In the position changing the fuse link, according to FIG. 7 and according to FIG. 8, the fuse link 5 can be ejected by pressing on the operating element 4 and on the extension of the cover strip 8. In FIG. 9, the pressure emanating from the fingers of one hand 16 is illustrated with an arrow 17.

Das Führungsstück 7 nach Fig. 3 weist eine vierkantige Achse 18 auf, die im eine entsprechende Ausnehmung 19 in Körper 10 des Sicherungsträgers 6 nach Fig. 2 eingreift. Die Wand der Ausnehmung 19 ist dabei durch Freischnitte 20 elastisch ausgebildet. Dadurch geht der Sicherungsträger 6 vom der Position Aus nach Fig. 5 mit sicherer Rastung in die Position Wechseln des Sicherungseinsatzes nach den Figuren 7 und 8 über.The guide piece 7 according to FIG. 3 has a square axis 18 which engages in a corresponding recess 19 in the body 10 of the fuse carrier 6 according to FIG. 2. The wall of the recess 19 is formed by cutouts 20 elastic. As a result, the fuse carrier 6 changes from the position shown in FIG. 5 with a secure catch to the position changing the fuse link according to FIGS. 7 and 8.

Das Führungsstück 7, man vergleiche beispielsweise Fig. 3, ist im wesentlichen räumlich U-förmig ausgebildet. Seine gegenüberstehenden Wangen 7a und 7b bilden an ihren freien Enden die vierkantige Achse 18 durch zwei druckknopfartig zusammenrastende Anformungen 18a und 18b.The guide piece 7, compare for example Fig. 3, is essentially spatially U-shaped. Its opposite cheeks 7a and 7b form at their free ends the square axis 18 by means of two press-on formations 18a and 18b.

Das Führungsstück 7 nach den Figuren 5 und 6 weist von der Wangenaußenseite ausgehende nutartige, im Ausführungsbeispiel gabelartige, Ausnehmungen 21 zwischen dem freien Wangenende und oberhalb der Wangenwurzel auf. In diese Ausnehmungen 21 greift eine widerhakenartige Anformumg 22 des Sockels ein, wodurch die Hubhöhe des Führungsstücks 7 fund somit des Sicherungsträgers 6 begrenzt wird.The guide piece 7 according to FIGS. 5 and 6 has groove-like, fork-like recesses 21 extending from the outside of the cheek between the free cheek end and above the cheek root. A barb-like molding 22 of the base engages in these recesses 21, as a result of which the lifting height of the guide piece 7 is thus limited to the fuse carrier 6.

Un ein Zurückfallen des Sicherungsträgers zusammen mit seinem Führungsstück 7 nach unten in die Einschaltposition zu vermeiden, sind zwischen Wangenwurzel und Ausnehmung 21 des Führungsstücks 7 jeweils eine noppenartige Ausnehmung 23 in den Wangen ausgebildet, in die eine knopfartige Anformung 24 des Sockels 1 in der herausgehobenen Position des Sicherungsträgers eingreift.In order to prevent the fuse holder from falling back together with its guide piece 7 into the switch-on position, a nub-like recess 23 is formed in the cheeks between the cheek root and the recess 21 of the guide piece 7, into which a button-like molding 24 of the base 1 in the raised position of the fuse carrier engages.

Nach Fig. 8 sind im Bedienglied 4 und in einer zu dessen in herausgehobener und gedrehter Position benachbarten Wand des Sockels 1 Plombierlöcher 25 und 26 ausgebildet. Ein Wiedereinschaltem, ohne die Plombe zu brechen, ist dadurch verhindert.8 are in the control element 4 and in one to the lifted and rotated Position adjacent wall of the base 1 sealing holes 25 and 26 formed. This prevents it from being switched on again without breaking the seal.

Das Bedienglied 4 nach Fig. 1 bildet in Anreihrichtung der als Sicherungsklemme ausgebildeten Reihenklemme seitliche Nuten 27, in die Kopplungsleisten 28 zu benachbarten Sicherungsklemmen eingreifen können. Dadurch lassen sich mehrere Sicherungsklemmen gekoppelt bedienen.The operating element 4 according to FIG. 1 forms lateral grooves 27 in the direction of the series terminal designed as a fuse terminal, in which coupling strips 28 can engage to adjacent fuse terminals. This means that several fuse terminals can be operated in conjunction.

Der Sockelfuß der Sicherungsklemme kann in an sich bekannter Weise Haltearme 30 nach Fig. 1 aufweisen, um die Sicherungsklemme an Trägschienen zu befestigen. Die Haltearme 30 arbeiten jedoch paarweise so zusammen, daß die Sicherungsklemme auf eine Trägschiene 31 mittig oder so endständig, nach Figuren 10 und 11, aufgesetzt werden kann, daß die Anschlußseite mit Sammelschienen 32 für übliche kurze Reihenklemmen fluchten kann.The base foot of the securing clamp can have holding arms 30 according to FIG. 1 in a manner known per se in order to fasten the securing clamp to carrier rails. However, the holding arms 30 work in pairs so that the securing terminal can be placed on a support rail 31 in the middle or at the end, according to FIGS. 10 and 11, in such a way that the connection side can be aligned with busbars 32 for conventional short terminal blocks.

Anhand der Seitenansicht der Sicherungsklemme orientiert, können neben dem Raum für die Sicherungseinsätze durch Sockelwand isoliert Klemmschrauben 33, beispielsweise nach Figuren 1 und 4, angeordnet werden, deren Klemmplatz jeweils mit Anschlußöffnungen 34 zur Stirnseite der Sicherungsklemme fluchten. Die Klemmschrauben 33 können unterhalb ihres Schraubenkopfes Führungsstege 35, oder Führungsnuten, für ein Druckstück 36 mit korrespondierendem Führungsmittel aufweisen. Im Ausführungsbeispiel nach Fig. 4 liegt das Druckstück 36 dachförmig auf dem Führungssteg 35 auf. Dadurch wird eine Offenklemme erzielt, in die ein anzuschließender Leiter eingeführt werden kann, ohne das Druckstück zuvor von Hand anheben zu müssen.Based on the side view of the fuse terminal, clamping screws 33, for example according to FIGS. 1 and 4, can be arranged in addition to the space for the fuse inserts isolated by a base wall, the terminal locations of which are aligned with connection openings 34 to the end face of the fuse terminal. The clamping screws 33 can have guide webs 35, or guide grooves, for a pressure piece 36 with a corresponding guide means below their screw head. In the exemplary embodiment according to FIG. 4, the pressure piece 36 rests roof-shaped on the guide web 35. This results in an open clamp into which a conductor to be connected can be inserted without having to lift the pressure piece beforehand by hand.

In Fig. 12 ist veranschaulicht, wie eine Sicherungsklemme 40 zusammen nit verschiedenartigen Reihenklemmen auf einer Tragschiene 31, beispielsweise einer genornten Hutschiene mit 35 mm, so angeordnet werden kann, daß ihre Stirnseiten auf der Versorgungsseite mit einer geneinsamen Fluchtlinie 41 abschließen.In Fig. 12 it is illustrated how a fuse terminal 40 together with different types of terminal blocks on a mounting rail 31, for example a 35 mm standard rail, can be arranged so that their end faces on the supply side end with a common escape line 41.

Claims (13)

1. A fused terminal, in whose socket (1) there are arranged counter-contacts (2) for switch contacts (3) on an operating member (4), where the switch contacts (3) are formed by a holder (9) for fuse links (5) with two contact elements, which are arranged opposite one another spaced apart on a fuse carrier (6), the fuse carrier (6) is mounted so that it can be lifted and is rotationally movable and lockable, and the counter-contacts (2) in the socket (1) are covered by covering strips (8) so as to be safe from touch, characterised in that the fuse carrier (6) is secured in a guide piece (7) which for its part, is guided in the socket (1) in liftable manner, so that the counter-contacts (2) in the socket (1) are covered by covering strips (8) on the fuse carrier (6) in the inserted and the lifted position so as to be safe from touch; but that in the lifted and transversely rotated position, the covering strip (8) leaves free access to the holder (9) for the fuse link (5)
2. A fused terminal as claimed in Claim 1, characterised in that at least one further holder (9a) for an auxiliary fuse link (5a) is formed on the fuse carrier (6) above the holder (9) for the contact-making fuse link (5).
3. A fused terminal as claimed in Claim 1 or Claim 2, characterised in that the fuse carrier (6) has an operating member (4) which, below a shoulder which is extended as a covering strip (8), passes over into an axially-arranged body (10) which is interlocked with an extension of the covering strip (8) which is guided round the space for accommodating the fuse link (5) or fuse links.
4. A fused terminal as claimed in Claim 3, characterised in that at the catch point, the extension of the covering strip (8) forms a tongue (11), the forked projecting back of which (12) is gripped from behind by a knop (13) on the body (10), the rear of the tongue operates against an abutment (14) formed on the body (10), the rear of the tongue is wedge-shaped towards the point of the tongue and the front end of the tongue is adapted to the shape of the fuse link (5) and forms part of the holder (9) for the fuse link (5), a weak point (15) in the nature of a film sprue hinge being formed in the extension of the covering strip (8).
5. A fused terminal as claimed in Claim 1, characterised in that the guide piece (7) has a square axle (18) which engages into a corresponding recess (19) in the body (10) of the fuse carrier (6), the wall of the recess (19) being rendered elastic by punched-out areas (20).
6. A fused terminal as claimed in Claim 5, characterised in that the guide piece (7) is formed so as to be essentially spatially U-shaped, the oppositely arranged side pieces (7a, 7b) of the guide piece at their free ends forming the square axis (18) through two interlocking press button-like attachments (18a, 18b).
7. A fused terminal as claimed in Claim 6, characterised in that the guide piece (7), at least from one outer side (7a, 7b) of the side piece, has a grooved or forked recess (21) between the free end of the side piece and above the base of the side piece, into which a forked attachment (22) of the socket (1) engages and limits the height of lifting of the guide piece (7) and thus of the fuse carrier (6).
8. A fused terminal as claimed in Claim 7, characterised in that between the base of the side piece and recess (21) of the guide piece (7) a knop-shaped recess (23) is formed into which a stud shaped formation (24) on the socket (1) engages in the lifted position of the fuse carrier.
9. A fused terminal as claimed in Claim 8, characterised in that apertures (25, 26) for forming a seal are provided in the operating member (4) and in a wall of the socket (1) which is adjacent to this operating member in the lifted and rotated position.
10. A fused terminal as claimed in Claim 3, characterised in that in the direction of series arrangement of the series terminal the operating member (4) is formed with lateral grooves (27), into which engage coupling strips (28) to adjacent fused terminals.
11. A fused terminal as claimed in one of the preceding Claims, characterised in that the base of the socket of the fused terminal has in known manner support arms (30) for support rails (31), which arms co-operate in pairs in such manner that the fused terminal can be placed centrally on a supporting rail (31) centrally or at the end, in such manner that the connection side is in alignment with bus bars (32) of conventional short serial terminals.
12. A fused terminal as claimed in one of the preceding Claims, characterised in that in the side view of the fused terminal, beside the space for the fuse links, clamping screws (33) are arranged which are insulated by the socket wall and whose clamping locations are in each case in alignment with connection openings (34) towards the end face of the fused terminal.
13. A fused terminal as claimed in Claim 12, characterised in that below their screw heads, the clamping screws (33) have guide bars (35) or guide grooves for a contact piece (36) with corresponding guide means.
EP84100509A 1983-02-02 1984-01-18 Rail-mounted fused-terminal Expired EP0118678B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84100509T ATE23005T1 (en) 1983-02-02 1984-01-18 SAFETY CLAMP.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3303471 1983-02-02
DE19833303471 DE3303471A1 (en) 1983-02-02 1983-02-02 ROW TERMINAL

Publications (2)

Publication Number Publication Date
EP0118678A1 EP0118678A1 (en) 1984-09-19
EP0118678B1 true EP0118678B1 (en) 1986-10-15

Family

ID=6189832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84100509A Expired EP0118678B1 (en) 1983-02-02 1984-01-18 Rail-mounted fused-terminal

Country Status (7)

Country Link
US (1) US4559504A (en)
EP (1) EP0118678B1 (en)
JP (1) JPS59230273A (en)
AT (1) ATE23005T1 (en)
DE (2) DE3303471A1 (en)
ES (1) ES285551Y (en)
NO (1) NO160819C (en)

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Also Published As

Publication number Publication date
US4559504A (en) 1985-12-17
DE3461011D1 (en) 1986-11-20
ATE23005T1 (en) 1986-11-15
NO834876L (en) 1984-08-03
JPH0154825B2 (en) 1989-11-21
EP0118678A1 (en) 1984-09-19
JPS59230273A (en) 1984-12-24
DE3303471A1 (en) 1984-08-02
NO160819B (en) 1989-02-20
ES285551Y (en) 1986-05-01
ES285551U (en) 1985-10-01
NO160819C (en) 1989-05-31

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