WO2013087543A1 - Système d'enfichage d'une borne de raccordement en série - Google Patents

Système d'enfichage d'une borne de raccordement en série Download PDF

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Publication number
WO2013087543A1
WO2013087543A1 PCT/EP2012/074879 EP2012074879W WO2013087543A1 WO 2013087543 A1 WO2013087543 A1 WO 2013087543A1 EP 2012074879 W EP2012074879 W EP 2012074879W WO 2013087543 A1 WO2013087543 A1 WO 2013087543A1
Authority
WO
WIPO (PCT)
Prior art keywords
plug
spring
contact
arrangement according
busbar
Prior art date
Application number
PCT/EP2012/074879
Other languages
German (de)
English (en)
Other versions
WO2013087543A9 (fr
Inventor
Uwe Arlitt
Stephan Fehling
Siegfried Storm
Peter Stuckmann
Ulrich Leimkühler
Torsten Diekmann
Guido Strüwe
Original Assignee
Weidmüller Interface GmbH & Co. KG
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
Priority claimed from DE202011052272U external-priority patent/DE202011052272U1/de
Priority claimed from DE202011052337U external-priority patent/DE202011052337U1/de
Application filed by Weidmüller Interface GmbH & Co. KG filed Critical Weidmüller Interface GmbH & Co. KG
Publication of WO2013087543A1 publication Critical patent/WO2013087543A1/fr
Publication of WO2013087543A9 publication Critical patent/WO2013087543A9/fr

Links

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
    • 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
    • H01R9/2675—Electrical interconnections between two blocks, e.g. by means of busbars
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end

Definitions

  • the present invention relates to a plug-in arrangement according to the preamble of claim 1.
  • busbars For cross-connecting busbars of adjacent series terminals, it is known to provide the busbars with recesses which form sockets, in the plug contacts of cross connectors can be inserted, so that the plug contacts pass through the recesses.
  • Such a bus bar shows, for example, the document EP 1 432 076 B1.
  • the plug contacts are pressed by a spring against the busbar. It is necessary that the contact even under heavy vibration load, as is common in industrial production, is ensured. The requirements for the secure fit of the spring or the cross connector are therefore very large.
  • the publication FR 2 803 441 B1 discloses a busbar end piece on the recess, which is raised so that a cross-connector by means of a spring against the surface
  • Busbar end piece is pressed.
  • EP 1 432 076 B1 also discloses such a busbar end piece. Both documents also disclose the
  • Fixier Anlagenn which are formed by housing components to attach in the series terminal.
  • the invention has the object to provide a plug-in arrangement for a
  • top and bottom refer to the insertion of the spring and should be considered relative thereto.
  • the bushings of the busbar with hook ends advantageously such that it or they engage behind the busbar each and thereby hold the spring self-locking in the implementation.
  • the spring has at least two spring legs, which in a plug-in state in
  • Plug-in state abut at least on a contact surface of the busbar. It is envisaged that the out of the bushings projecting free ends of the busbar in its not contacted by the plug contact state, the underside of the busbar forming an undercut educating behind.
  • the angle between the projecting on the busbar end and the ends is less than 90 °.
  • the undercut is formed in a particularly simple manner, which secures the spring against failure from the busbar against the insertion direction.
  • Plug-in state in each case on a contact surface (or at least on one edge of the contact surface) of the busbar wherein they each have a first angle to the contact surface of the busbar in the inserted state, which is greater than 0 °.
  • the spring legs pass through the bushings at this angle, so that they engage behind the busbar in each case and the spring thereby
  • the plug-in arrangement according to the invention has the advantage that the fixing means can be simplified or even eliminated, and that the
  • the spring has at least one first bend over which the first angle can be adjusted.
  • the bend is provided in a preferred embodiment of the transverse connector leg of the spring.
  • a first bend is provided on both spring legs.
  • the first angle is preferably about 3 ° -35 °, more preferably 5 ° -10 °.
  • the spring legs are preferably located between their open end and the first bend in a contact area on the contact surface. It is the
  • Investment area preferably formed linear.
  • the contact surfaces of the bushings each have a second angle to the extension direction in the contact area of the spring legs, which is smaller than 90 °, preferably about 55 ° -87 °, particularly preferably about 80 ° -85 °. This is the insertion of the
  • the spring legs each have a second bend, so that they are formed approximately s-shaped. About the second bend each a contact area of the spring leg is adjustable to an inserted cross connector. It is preferred that the busbar each have hole collar edges which extend against the plug-in direction and at least partially surround the bushings. The hole collar edges improve temperature compensation on the busbar and thereby increase their current carrying capacity. In the area in which the spring is to press the plug contact to the busbar, is
  • this area can be e.g. be made very precise punching. Dahin against the hole collar edge is preferably made embossing and thus less precise, but this is sufficient, since in this area, although a high current carrying capacity is desired, but no particularly high precision in terms of manufacturing is required.
  • the spring legs each have a contact edge, which limits the passage of the spring legs through the passages in the insertion direction, and thereby ensures a defined position and a defined seat of the spring relative to the busbar.
  • the plug assembly also preferably comprises a plug contact, in particular a cross connector, which is inserted in the insertion direction through the bushing and is arranged between one of the spring legs and the contact surface.
  • At least one of the spring rails has one or the spring legs of the spring each have a contact bend, with which they rest in the inserted state on an upper side of the busbar.
  • This embodiment has the advantage that the preferably made of a spring steel spring preferably made of a copper alloy or copper and thus considerably softer
  • the abutment bends are preferably in a linear support area on the busbar.
  • the abutment bend is each resilient.
  • the bus bar it is preferable for the bus bar to each have hole collar edges which extend against the plug-in direction and at least partially surround the feedthroughs in order to increase the current carrying capacity of the bus bar in the region of the feedthroughs. But this is not absolutely necessary.
  • busbar also
  • the object is further achieved with a series terminal with the plug contact according to the invention.
  • the series terminal is a total of very compact buildable, while still a secure fit of a
  • FIG. 1 a, b two different perspective views of an inventive
  • Plug arrangement without inserted plug contact a side view of a used in an insulating material
  • Plug arrangement according to the type of Figure 1 without inserted plug contact without inserted plug contact.
  • Fig. 3 is an enlarged detail of the insulating in the housing
  • FIG. 4 is a perspective view of the components of the plug assembly of Figure 1 a prior to assembly.
  • Fig. 5a, b shows a further plug arrangement before and after assembly
  • Fig. 6a cc shows an embodiment of a further plug-in arrangement with a spring, the spring leg with 6.3biegonne has once in section and in perspective before and after assembly
  • Fig. 7a-j are each sections of sectional images by inventive
  • FIG. 8 shows a plug-in arrangement according to the invention with a busbar
  • Fig. 9 shows an embodiment of a plug-in arrangement with a spring
  • FIG. 10a, b show an embodiment of a further plug arrangement with a spring which has spring legs with contact bends and an enlarged detail of this representation;
  • FIG. 11a is a perspective view of the plug assembly of Fig. 10a;
  • FIG. 1 1 b inserted in an insulating housing plug assembly of Figure 1 1 a, wherein the insulating material is shown only in sections. and FIGS. 12a-c show the arrangement from FIG. 11b in the insulating housing
  • FIG. 1 a and b show a plug-in arrangement according to the invention, the one
  • Busbar 1 and a spring 2 (preferably a leaf spring, which is made of a metal sheet such as steel) has.
  • the spring 2 has two spring legs 21, which via a
  • Cross connecting leg 22 are connected together.
  • the cross connection leg 22 and the two spring legs 21 are formed approximately U-shaped.
  • the term U-shape is not too narrow.
  • the two legs 21 do not have to extend parallel to one another but may also enclose an angle ⁇ to the insertion direction 42, preferably an angle 0 ⁇ ⁇ 40 °.
  • the spring 2 has in an advantageous embodiment preferably - but not necessarily - a plane of symmetry perpendicular to the plane of the drawing of FIG. 2, which extends through the line S.
  • Each of the spring legs 21 has a free end. These two ends are hook-shaped or bent into a smaller U-shape - based on the larger parent U-shape of the spring 2. The two ends are also particularly preferred to bend towards each other and are hereinafter also referred to as hook ends 23.
  • Fig. 1 a and b and 2 respectively show the insertion state E of the spring 2 in the busbar 1 without plug-in contact plugged thereto, which can be seen in Fig. 3.
  • the busbar 1 extends in any case substantially in one
  • Extension direction 41 has two passages 13 and in
  • Plug-in 42 of the spring 2 considered a top 14 and a bottom 15.
  • the spring 2 can be inserted into the busbar 1 in the insertion direction 42, which extends transversely to the extension direction 41.
  • the hook ends 23 are preferably each dimensioned so that they are compressed during the first insertion or during mounting of the spring 2 in the passages 13 and then relax and widen when they are completely inserted through the passages 13 from the top 14 to the bottom 15 have been (see FIG. 4.
  • the greatest width B1 of the hook ends 23 in the extension direction is preferably greater than the width B2 of the passages 13 in FIG
  • the free hook ends 23 are dimensioned in such a way that, after they have been pushed through, they can be pushed through
  • Bushings 13 can be pulled out without previously compressed with a tool in itself.
  • the spring 2 is thus secured in a particularly simple manner in the busbar 1 against falling out even with increased vibration stress.
  • the at least one or preferably the hook-shaped end (s) 23 - in relation to the U-shape - are bent inwards (preferably towards one another, forming a U-shape in their turn) is also achieved in that these hook ends 23 do not collide with a plug contact 31 to be contacted - in particular a cross connector - upon insertion of the pin-shaped plug contacts 31 (see FIG. 3).
  • the legs 21 are preferably in the bushings 13 laterally on the walls of the bushing 13 as contact surfaces 12, so that one to
  • Fig. 3 also discloses that the spring legs 21 in the area in which they pass through the busbar 1, form a contact bend.
  • the legs 21 preferably have a larger angle ⁇ to the insertion direction 42 in a first region 21 'of the contact bend than the angle ⁇ .
  • the legs 21 are then in the insertion direction 42 in a region 21 "bent towards each other, so that a region 21"'greatest distance of the two spring legs 21 from each other, in which the spring legs 21 press the inserted plug contact 31 against the inner wall of the bushings 13 ,
  • the regions 21 'and 21 "preferably enclose an angle ⁇ of approximately 90 °, preferably 60 ° to 110 ° with one another.
  • the contact surface 12 may for example be flat or be convex or designed as a wedge. It is also conceivable to realize a system at only one point or r edge of the contact surface.
  • Fig. 3 also illustrates that the hook-like hooked ends 23 in the contacted state of Fig. 3 even further engage behind the edges of the passage 13 on the underside 15 of the busbar 1, so that the spring 2 in the operating state again safer in the passage 13 sits as the Subject of the generic state of the art and not without tools against the plug 42 can be pulled out of the busbar 1 again.
  • Hook ends 23 are not bent toward each other but that the two free hook ends 23 are bent in the same direction, so for example in the manner of Fig. 5 both in the extension direction 41 (in Fig. 5a, b to "right") Hook end 23 against a drop out of the
  • FIG. 3 shows that the plug contact can be inserted in a simple manner in a recess 52 of an insulating material. It can - and this is shown in Fig. 3 very clearly - even on an optional conceivable supporting engagement of a plastic projection of the insulating housing 51 in the area 53 between the spring 2 and the busbar 1 (or between the cross connecting leg 22 and the busbar be omitted because the spring 2 is held by the hook ends 23 particularly stable and secure to the busbar 1.
  • a sliding surface 54 for the hook ends 23 may be formed in the insulating housing (e.g., a clamp support). On this sliding surface 54, the respective hook ends 23 slide advantageously when opening the contact point when inserting the plug contact 31 or the plug contacts 31st
  • the sliding surface may be arcuate in section, in particular circular segment-shaped, so that it corresponds to the opening movement of the hook ends.
  • the plug contacts 31 may themselves be part of a conductive dual or multiple jumper (not otherwise shown here and in the bushings 13 adjacent - preferably parallel array - plug arrangements intervene so that between adjacent insulating adjacent terminal blocks eg on a mounting rail in a simple way one or several cross connections can be realized (not shown here).
  • the (clamping) spring 2 has a constriction 24 in the region in which it passes through the through-hole (s) 13 (perpendicular to the image plane of FIGS. 2 and 3, see also FIG. 4). , Thus, “above” or on the top 14 of the busbar 1 resting shoulders 25 are formed in the spring 2, which in turn prevent the spring 2 at a plug too far in the insertion direction 42.
  • Fig. 6 shows another embodiment of a plug-in arrangement.
  • the spring legs 21 of the spring 2 respectively beyond the Fig. 1 to 5 outgoing or in addition to the features shown there
  • abutment bends 26 are advantageously formed here. They were formed here by the fact that in the region of the taper 24 of the spring 2 for penetration through the bushings 13, the spring is provided at each of its ends with two incisions, said outer webs laterally of these incisions the Bladebiegungen for resting on the top 14 of the busbar form and wherein a central web in each case passes through the openings 13 ,, to contact the busbar 1 and to form the hook portions 23.
  • This embodiment ensures that the busbar 1 can not be damaged by contact edges even under extreme vibration load.
  • Bending abutments 26 are in an approximately linear support area on the busbar 1. They are also preferably resilient, so that they can deflect under vibration stress and slide something on the busbar 1. They are ideally complemented by the hook ends 23.
  • FIG. 7 shows plug arrangements according to the invention which comprise a bus bar 101 and a spring 102.
  • the spring 102 has two spring legs 1021, which via a
  • Cross-linking legs 1022 (see Fig.7 (d)) are interconnected.
  • the cross-connecting leg 1022 and the two spring legs 1021 are provided approximately U-shaped.
  • Each of the spring legs 1021 has an open / free end.
  • Fig. 7 (d) shows the insertion state E of the spring 102 in the bus bar 101.
  • the bus bar 101 essentially extends into one
  • Extending direction 1041 and has two bushings 1013.
  • the spring 102 can be inserted into the bus bar 101 in a plug-in direction 1042 which extends transversely to the extension direction 1041.
  • a plug-in direction 1042 which extends transversely to the extension direction 1041.
  • one of the spring legs 1021 of the spring 102 is guided through one of the bushings 1013 in the inserted state E.
  • the inserted state E of the cross-connecting leg 1022 of the spring 102 in the insertion direction 1042 seen above a top 1016 and the open ends 1028 of
  • Spring leg 1021 seen in the insertion direction 1042 each disposed below a bottom 1017 of the bus bar 101.
  • the spring legs 1021 of the embodiments of Fig. 7 are each approximately S-shaped and have a first bend 1023, with which a first angle 1051 in response to a contact force of the spring 102 and a thickness 1034 (see Fig. 7 (g )) of an inserted plug contact 103 (see Fig. 7 (h)) is adjustable.
  • the first angle 1051 is adjustable by bending the bend 1023 more or less strongly.
  • the spring legs 1021 provide a second bend 1027, by means of which a contact region 1033 of the spring legs 1021 can be adjusted to an inserted plug-in contact 1031 (see Fig. 7 (j)).
  • the spring legs 1021 as shown in FIG. 7 (a) and (f) - (h) each have contact edges 1024.
  • the abutment edges 1024 are in the inserted state E and plugged in contact 1031 at the top 1016 at the
  • the bushings 1013 each have a lateral surface 1018 delimiting them, which has a contact surface 1012 on a side facing the inserted spring 102.
  • the spring legs 1021 are in each case, as long as no plug contact 103 is inserted through one of the bushings 1013, in a contact area 1025 on the contact surface 1012.
  • the contact area 1025 is approximately linear. It is provided in each case between the open end 1028 of the spring leg 1021 and the first bend 1023.
  • the feedthroughs 1013 of the busbars 101 of the plug-in arrangements according to the invention shown in FIGS. 7 (b) and (c) differ in a second angle 1052, which the contact surface 1012 in each case corresponds to
  • Extension direction 1041 forms.
  • a second angle 1052 a right angle of the contact surface 101 2 to the extension direction 1041, whereas in Fig. 7 (c), a second angle 1052 is less than 90 ° between the contact surface 1012 and Extending direction 1041 is provided. Due to the smaller second angle 1052 is the insertion of a
  • Figs. 7 (g) - (j) respectively show plug arrangements with cross connectors 103.
  • Fig. 7 (g) shows an exploded view and in Figs. 7 (h) - (j)
  • plug-in contact 1031 plugged in the spring leg 1021 is no longer in the contact area 1025 on the contact surface 1012 of the bushing 1013, but at a second contact area 1033 on the plug contact 1031.
  • the plug contact 1031 is thus between the spring leg 1021 and the
  • the third contact area 1032 of the plug-in contact 1031 on the contact surface 1012 is flat, linear or punctiform.
  • FIG. 8 shows a plug-in arrangement according to the invention with a conductor rail 101, which preferably provides embossed hole collar edges 1015.
  • Hole collar edges 1015 extend at the top 1016 of the bus bar 101 against the insertion direction 1042 and surround the feedthroughs 1013 at least partially. They optimize the current carrying capacity.
  • the contact surface 1012 is preferably made more precise punching, resulting in a particularly good contact in the region of the contact point between cross-connector plug contact 1031 and busbar.
  • FIG. 8 shows the plug arrangement with two inserted plug contacts 1031 of two cross connectors 103.
  • FIG. 9 shows a further embodiment of a plug-in arrangement.
  • the spring legs 1021 of the spring 102 each have a contact bend 1026, with which they rest in the plug-in state E and plug connector 1031 (not shown) on the top 1016 of the bus bar 101.
  • This embodiment has over the
  • Busbar 101 not under very strong vibration load through
  • Edges 1024 can be damaged.
  • the bends 1026 are located in an approximately linear support area 1019 on the bus bar 101. They are also provided resiliently so that they can deflect under vibration stress and slide along the busbar.
  • abutment bends 1026 can also be provided for plug-in arrangements in which the bus bar 101 has no stop edges 1014.
  • the first bend 1051 with which a first angle 1051 (not illustrated here) is adjustable, which is formed between one of the spring legs 1021 and a contact surface 1012 of the bus bar 101 in the inserted state E, is the spring 102 in the embodiment shown in FIG by a bend of the cross connector 1022 feasible.
  • This plug-in arrangement also advantageously realizes the feature that at least one or both spring legs 1021 has / have an abutment bend 1026, with which they rest on an upper side 1016 of the bus bar 101 in the inserted state E. This arrangement is particularly secured against dropping out of the busbar (in one direction through the undercut or the angles ⁇ and 1051 and in the other direction through the abutment bend 1026.
  • abutment bend 1026 Such a way - and in particular Fig.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

La présente invention concerne un système d'enfichage lequel permet d'enficher au moins un contact enfichable, s'agissant notamment d'un contact enfichable d'un connecteur transversal, et lequel est pourvu d'une barre conductrice et d'un ressort, ladite barre conductrice étant de forme plane et s'étendant selon une direction longitudinale et présentant dans une direction d'enfichage perpendiculaire à cette dernière une face supérieure et une face inférieure, et présentant au moins deux passages la traversant de sa face supérieure à sa face inférieure, et ledit ressort comportant au moins deux branches de ressort dont chacune s'engage, dans un état d'enfichage caractérisé par le fait que ledit contact enfichable ne soit pas enfiché, dans un des passages en entrant par ladite face supérieure et en sortant par ladite face inférieure, de manière à ce qu'elles fassent saillie par rapport auxdits passages, les branches de ressort prenant appui, dans ledit état d'enfichage, sur au moins une surface d'appui de la barre conductrice, et au moins une des extrémités libres faisant saillie ou bien les deux extrémités libres de la barre conductrice lesquelles font saillie par rapport auxdits passages venant se bloquer sur l'arrière de ladite face inférieure de manière à former une contre-dépouille lorsqu'elles ne sont pas mises en contact avec ledit contact enfichable, ou formant une extrémité en crochet laquelle/lesquelles viennent se bloquer sur l'arrière de la face inférieure à la manière d'un crochet lorsqu'elles ne sont pas mises en contact avec ledit contact enfichable.
PCT/EP2012/074879 2011-12-12 2012-12-10 Système d'enfichage d'une borne de raccordement en série WO2013087543A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE202011052272U DE202011052272U1 (de) 2011-12-12 2011-12-12 Steckanordnung einer Reihenanschlussklemme
DE202011052272.5 2011-12-12
DE202011052337.3 2011-12-16
DE202011052337U DE202011052337U1 (de) 2011-12-16 2011-12-16 Steckanordnung einer Reihenanschlussklemme

Publications (2)

Publication Number Publication Date
WO2013087543A1 true WO2013087543A1 (fr) 2013-06-20
WO2013087543A9 WO2013087543A9 (fr) 2013-08-15

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2825291A1 (de) * 1978-06-09 1979-12-20 Wago Kontakttechnik Gmbh Klemme fuer elektrische leiter
FR2803441A1 (fr) * 2000-01-04 2001-07-06 Entrelec Sa Dispositif d'interconnexion pour bloc de jonction ou similaire
FR2836773A1 (fr) * 2002-03-01 2003-09-05 Johnson Contr Automotive Elect Dispositif de connexion d'un conducteur electrique a une carte a circuit imprime
EP1432076B1 (fr) 2002-12-21 2009-09-02 Wago Verwaltungsgesellschaft mbH Barette à bornes électrique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2825291A1 (de) * 1978-06-09 1979-12-20 Wago Kontakttechnik Gmbh Klemme fuer elektrische leiter
FR2803441A1 (fr) * 2000-01-04 2001-07-06 Entrelec Sa Dispositif d'interconnexion pour bloc de jonction ou similaire
FR2803441B1 (fr) 2000-01-04 2002-08-16 Entrelec Sa Dispositif d'interconnexion pour bloc de jonction ou similaire
FR2836773A1 (fr) * 2002-03-01 2003-09-05 Johnson Contr Automotive Elect Dispositif de connexion d'un conducteur electrique a une carte a circuit imprime
EP1432076B1 (fr) 2002-12-21 2009-09-02 Wago Verwaltungsgesellschaft mbH Barette à bornes électrique

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