EP4338238A1 - Dispositif de raccordement - Google Patents

Dispositif de raccordement

Info

Publication number
EP4338238A1
EP4338238A1 EP22726035.3A EP22726035A EP4338238A1 EP 4338238 A1 EP4338238 A1 EP 4338238A1 EP 22726035 A EP22726035 A EP 22726035A EP 4338238 A1 EP4338238 A1 EP 4338238A1
Authority
EP
European Patent Office
Prior art keywords
connection
cage
connection device
force
latching
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.)
Pending
Application number
EP22726035.3A
Other languages
German (de)
English (en)
Inventor
Jan Meier
Christopher Smith
Torsten Dieckmann
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface GmbH and 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
Application filed by Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP4338238A1 publication Critical patent/EP4338238A1/fr
Pending legal-status Critical Current

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
    • 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
    • H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
    • H01R4/4863—Coil spring
    • H01R4/4872—Coil spring axially compressed to retain wire end
    • 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
    • H01R4/489—Clamped connections, spring connections utilising a spring, clip, or other resilient member spring force increased by screw, cam, wedge, or other fastening means
    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5008—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using rotatable cam

Definitions

  • the invention relates to a connection device according to the preamble of claim 1.
  • the invention also relates to an electrical device with at least one such connection device.
  • connection device is used to connect one or more electrical conductors to a conductor, e.g.
  • connection devices e.g.
  • the object of the present invention is therefore to create an improved connection device.
  • connection device with the features of claim 1 and by an electrical device with such a connection device with the features of claim 9 .
  • a connection device for electrical conductors with a cage with two connection points; a force-generating device for clamping and contacting at least one electrical conductor in one of the connection points; and a pressure plate powered by the power generating means.
  • the force generating device is arranged in the interior of the cage and the connection points have a common fixed conductor.
  • connection points in a simple manner against the force of the force-generating device using the blade of a screwdriver, which is inserted into the respective connection point and then rotated by 90°.
  • An electrical device has at least one connecting device as described above. 2
  • the force generating device has a force storage element in the form of a compression spring and/or tension spring. These are common components that are available at low cost and in high quality.
  • the force-generating device can have at least one screw.
  • a simple power generation is possible.
  • Such a screw can also be used to adjust the force of a spring.
  • a further embodiment provides that the connecting device has an actuating device which can be moved from a basic position, in which the connection points are closed, into an actuating position, in which the connection points are open, and back. This results in a particularly advantageous simple, safe and quick way to actuate.
  • the actuating device is latched at least in the basic position by means of a latching mechanism. This has the advantage that the actuation device cannot come loose on its own.
  • connection device has a latching device which fixes the opened connection points both or individually in their open position and which causes the inserted conductors to be clamped in the connection points when the latching device is released again.
  • latching device (8) is released by actuation by means of a return device.
  • Yet another embodiment provides that the latching device is released by actuation using a conductor inserted into the associated connection point. This is particularly advantageous simply.
  • connection device has a housing, there is the advantage of a very compact unit that can be easily installed independently in various electrical devices.
  • the cage can be designed in one piece or in multiple parts. In this way, an advantageous adaptation to different applications can be made possible.
  • FIG. 1-2 schematic perspective views of an embodiment of a connection device according to the invention
  • FIG. 3-6 schematic side views of the connecting device according to FIG. 1-2;
  • FIG. 7-8 schematic views of the connecting device according to FIG. 1-6 in an actuated position
  • FIG. 9-14 schematic views of the connection device according to FIG. 7-8 in different open positions
  • FIG. 15 shows a schematic perspective view of the connecting device according to FIG. 1 with connected conductors
  • FIG. 16 shows a schematic front view of the connection device according to FIG. 1 with a housing
  • the coordinates x, y, z are used for orientation.
  • FIG. 1 shows a schematic perspective view of an exemplary embodiment of a connecting device 1 according to the invention, seen from a front side.
  • Figure 2 shows a view of a rear side of the connection device 1.
  • Figure 3 shows a front view of the connection device 1.
  • Figures 4 and 6 show side views and Figure 5 shows a rear view of the connection device 1.
  • the connecting device 1 is designed for connecting two conductors 1-1 and II-2 (see FIG. 15).
  • a connection point I and II is provided for each of the conductors 1-1 and II-2.
  • the connecting device 1 comprises a cage 2, a force-generating device, here a compression spring 3, a pressure plate 4, a stationary electric busbar 5, an actuating device 6 with a shaft 7, a latching device 8 and a return device 9. 4
  • the cage 2 is shown in perspective in Figure 17 and is U-shaped with two long side parts 2a, a short connector 2b and a base plate 2c.
  • the cage 2 consists here of an electrically conductive material.
  • the base plate 2c connects the two free ends of the side parts 2a. Here it is firmly attached, e.g. caulked, on each side with a respective projection 2g to a respective free end of a long side part 2a.
  • the base plate 2c can also be manufactured in one piece with the side parts 2a, e.g. as a cast part.
  • the cage 2 can also consist of several parts, ie it can be designed in several parts.
  • Each long side part 2a of the cage 2 has a long elongated hole 2e and a shorter elongated hole 2f.
  • the elongated holes 2e, 2f run with their longitudinal axes parallel to one another and parallel to an imaginary longitudinal axis of the cage 2.
  • the longitudinal axis of the cage 2 and the connecting device 1 runs in the z-direction.
  • the width of the side parts 2a lie in the x-direction.
  • the y-direction is perpendicular to the x-direction in the connecting line of the bottom plate 2c between the side parts 2a.
  • the free ends of the side parts 2a each have a pressure section 2d which is bent over at right angles in the x-y plane and which extends beyond the front side.
  • the pressing portions 2d protrude outward from the side parts 2a in the y-direction.
  • a guide recess 2h is formed in each case on the rear edges of the side parts 2a.
  • the force generating device is performed here as a compression spring 3 (see also Figure 18).
  • the force-generating device can also be a tension spring and/or a screw.
  • a screw can also be provided for adjusting the force of the compression or tension spring.
  • the compression spring 3 is arranged inside the cage 2 (see Fig. 3) and is in contact with the connector 2b of the cage 2 at its upper end. The other end of the compression spring 3 contacts a central bottom portion 4a of the pressure plate 4.
  • the pressure plate 4 is shown in FIG. 5
  • the pressure plate 4 is arranged within the cage 2 between the long side parts 2a of the cage 2 so that it can be displaced in the z-direction.
  • guide projections 4c projecting outwards laterally from the pressure plate 4 each engage with the long elongated hole 2e of a respective side part 2a of the cage 2 (see FIGS. 1, 2, 4, 6).
  • An upwardly bent front edge 4b of the pressure piece 4 protrudes outward from the front side of the cage 2 and forms an introduction aid for a conductor 1-1 to be connected (see FIG. 15).
  • a back plate 4d of the pressure plate 4 is bent at right angles to the y-z plane and has guide projections 4e protruding laterally outwards. These guide projections 4e are each engaged with a recess 2h (see FIGS. 10, 15).
  • the underside of the pressure plate 4 rests on the stationary electrical busbar 5, e.g. a flat bar.
  • the busbar 5 extends through the back of the cage 2 to the front through the interior of the cage 2 and is in turn with its underside on the base plate 2c of the cage 2.
  • the front of the base plate 2c also has an edge that is bent downwards here to facilitate the insertion of a conductor 11-1 to be connected (see FIG. 15).
  • FIGS. 1 to 6 each show the connection device 1 in a closed position. This means that the two connection points I and II are closed.
  • the first connection point I is formed by the bottom of the pressure plate 4 and by the top of the conductor 5 .
  • the underside of the conductor 5 and the top of the base plate 2c of the cage 2 define the second connection point II.
  • the actuating device 6 is shown as an individual part in FIG. 20 and comprises two arms 6a which are arranged parallel to one another and which are connected at their upper ends to a bracket section 6b.
  • the bracket portion 6b is (in the installed state, see Figures 1, 2, 4, 6) attached so that it is over the connector 2b of the cage 2.
  • the arms 6a are each connected to a lever portion 6c.
  • Each lever portion 6c has a through hole 6e for the shaft 7.
  • FIG. The through openings 6e are coaxial with a pivot axis 6d of the actuating device 6 and each in an imaginary center line of a respective arm 6a.
  • Each lever portion 6c includes a first cam 6f and a second cam 6g.
  • the first cam 6f extends (when installed, see Figures 1, 2,
  • cams 6f, 6g are provided with rounded corners with large radii.
  • the actuator 6 is attached to the shaft 7 on the cage 2 about the Schwenkach se 7a pivoted.
  • the shaft 7 extends through the through-openings 6e of the lever sections 6c of the actuating device 6, through through-openings 8i in the latching device 8, which will be described in more detail below, and through the elongated holes 2f in the long side parts 2a of the cage 2.
  • the shaft axis 7a and the pivot axis 6d run in one line.
  • lever sections 6c rest with the undersides of their second cams 6g on the pressure sections 2d of the cage 2 in each case.
  • the upper side of the first cam 6f of the lever portions 6c are in contact with the guide projections 4c of the pressure plate 4, which cher through the long Langlö 2e protrude to the outside.
  • the bracket portion 6b of the actuator 6 is placed over the connector 2b of the cage 2. As shown in FIG. 1
  • This position of the actuating device 6 is referred to as the basic position 6-0 and is illustrated in FIGS. 7 to 15.
  • the actuating device 6 can be locked in the basic position 6-0.
  • a latching mechanism (not shown, but easily imaginable) can be provided, e.g. cooperates with the bracket portion 6b and is attached to the cage fig 2, for example. Interaction with a lever section 6c is also possible.
  • Such a latching mechanism may, for example, have a cam-like projection with which the bracket section 6b or another section of the actuating device 6 latches.
  • the locking device 8 (see Figures 1, 2, 4, 5, 6 and 22) has two side plates 8a, a first back plate 8b with two first locking sections 8d and a second back plate 8c with two second locking sections 8e.
  • the side panels 8a are arranged parallel to each other and connected to the first back panel 8b at their upper ends and connected to the second back panel 8c at their lower ends.
  • the connections between the back plates 8b, 8c and the side plates 8a are kept relatively narrow, as a result of which the back plates 8b, 8c can spring out relatively towards the back. 7
  • the bottom of the first back plate 8b and the top of the second back plate 8c are not connected, but there is a distance 8h provided between them, through which the busbar 5 extends into the cage 2 when installed.
  • the snap-in sections 8d and 8e which are angled by 90°, are formed on both sides of the back plates 8b, 8c.
  • the locking sections 8d, 8e of the back plates 8b, 8c are each arranged in recesses 8k of the side plates 8a.
  • Each latching section 8d, 8e has a bevel.
  • the side plates 8a have the through-holes 8i for the shaft 7.
  • Edges 8j angled by 90° are formed on the longitudinal edges of the side plates 8a, with which the latching device 8a is fixed on the front side of the cage 2.
  • FIG. 7 shows a schematic perspective view of the connecting device 1 according to FIGS. 1-6 in an actuated position.
  • Figure 8 shows a side view of Figure 7.
  • the actuating device 6 In the actuated position, the actuating device 6 is pivoted about the pivot axis 6d from the basic position 6-0 downwards (here by 90°) into the actuating position 6-1.
  • the first cams 6f of the actuating device 6 push the pressure plate 4 upwards via its guide projections 4c in the elongated holes 2e of the side parts 2a of the cage 2 against the force of the Compression spring 3.
  • the first connection point I is thus open.
  • connection points I and II are maintained by the locking device 8. This is done for the pressure plate 4 in that its guide projections 4c slide upwards on the slopes of the first latching sections 8d, deflect the resilient first back plate 8b towards the rear of the cage 2, exceed the corners of the slopes and then land on the latching sections 8d - 8 gen after the first back plate 8b has springed back and are fixed there in the z-direction.
  • the guide projections 2i of the cage 2 slide down the slopes of the second latching portions 8e, the resilient second back plate 8c is deflected toward the rear of the cage 2, and the guide projections 2i exceed the corners of the slopes.
  • the second back plate 8c then springs back, and the guide projections 2i then rest on the latching sections 8e and are fixed there in the z-direction.
  • the cage 2 is adjusted from its basic position 2-0 to an open position 2-1.
  • the actuating device 6 can be pivoted back into its basic position 6-0, the cage 2 retains its open position 2-1 due to the latching device 8. This is shown in perspective in FIG. 9 and in a side view in FIG. In this case, the cage 2 has shifted relative to the fixed shaft 7, since the shaft 7 is accommodated in the slots 2f.
  • connection points I and II now make it possible for a conductor 1-1 and 11-1 to be inserted into these connection points I and II, as shown in FIG.
  • the conductors 1 - 1 and 11 - 1 are clamped in the connection points I and II by the latching device 8 being released by means of the reset device 9 .
  • the resetter 9 is a flat slide element and comprises an actuating section 9a with a connector 9b, two parallel longitudinal rods 9c, each with two slanted noses 9e, 9f projecting to the rear, and a clip 9g.
  • the connector 9b, the longitudinal rods 9c and the connector 9d form an open frame through which the stationary busbar 5 extends when installed (see FIGS. 1, 2, 5).
  • the resetter 9 is inserted between the back of the cage 2 and the back plates 8b, 8c of the latching device 8 in such a way that the lugs 9e, 9f protrude outwards through recesses 8f, 8g in the back plates 8b, 8c.
  • the return device 9 and the latching device 8 are not moved when the connection device 1 is actuated by the actuating device 6; they are stationary together with the busbar 5.
  • the resetter 9 can be displaced in the z-direction in relation to the latching device 8 .
  • Pressure on the actuating section 9a of the return device 9 causes the return device 9 to be displaced downwards against a spring force of the bracket 9g which rests on an upper edge of the first back plate 8b of the latching device 8 .
  • the lugs 9e, 9f of the resetter 9 are pressed against the resilient back plates 8b, 8bc of the latching device 8.
  • the back plates 8b, 8c thereby move backwards and release the guide projections 4c and 2i resting on the latching sections 8d, 8e.
  • Figure 10 shows the situation in which the second connection point II is not used, the first conductor I in the first connection point I is not shown.
  • the cage 2 is in a second position 2-2.
  • the first connection point I is not used in FIG. 11, the second conductor II not being shown.
  • FIGS. 12 to 14 show side views of the respective FIGS. 9 to 11.
  • FIG. 16 shows the connection device 1 in a housing 10.
  • the housing 10 has bearings 10a for the shaft 7.
  • FIG. 16 shows the connection device 1 in a housing 10.
  • the housing 10 has bearings 10a for the shaft 7.
  • both conductors I, II can be connected to the connection points I and II of the connection device 1 .
  • both conductors I, II can be wires and/or stranded wires (with ferrules). It is also possible that both conductors I, II are conductor rods. A combination is also possible in which the first conductor I a 10
  • the second conductor is wire and the second conductor is a conductor bar (busbar or busbar) or vice versa.
  • the latching device 8 can also be released by means of a suitable lever mechanism.
  • the back plates 8b, 8c can also be pushed backwards by an inserted conductor 1-1, 11-1 and thus release or loosen the latching device 8.
  • the connecting device 1 can be a piece of equipment for various electrical devices, such as terminals, switching/disconnecting devices and the like, with or without the housing 10 . Of course, electrical devices can also have at least one such connection device 1 .
  • the invention is not limited to the exemplary embodiments explained above. The invention can be modified within the scope of the appended claims.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

L'invention concerne un dispositif de raccordement (1) pour conducteurs électriques (16) comprenant : une cage (2) avec deux points de connexion (I, II) ; un dispositif de génération de force pour serrer et mettre en contact au moins un conducteur électrique (I -1 ; II -1) à l'un des points de raccordement (I, II) ; et une plaque de pressage (4) à laquelle une force est appliquée par le dispositif de génération de force. Le dispositif de génération de force est disposé à l'intérieur de la cage (2), et les points de connexion (I, II) présentent un conducteur fixe commun (5).
EP22726035.3A 2021-05-11 2022-04-27 Dispositif de raccordement Pending EP4338238A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021112258.9A DE102021112258A1 (de) 2021-05-11 2021-05-11 Anschlussvorrichtung
PCT/EP2022/061196 WO2022238120A1 (fr) 2021-05-11 2022-04-27 Dispositif de raccordement

Publications (1)

Publication Number Publication Date
EP4338238A1 true EP4338238A1 (fr) 2024-03-20

Family

ID=81850574

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22726035.3A Pending EP4338238A1 (fr) 2021-05-11 2022-04-27 Dispositif de raccordement

Country Status (3)

Country Link
EP (1) EP4338238A1 (fr)
DE (1) DE102021112258A1 (fr)
WO (1) WO2022238120A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2740265B1 (fr) 1995-10-18 1997-11-14 Schneider Electric Sa Bloc de raccordement de conducteurs electriques a un appareil electrique
DE19817924C2 (de) 1998-04-17 2003-06-26 Wago Verwaltungs Gmbh Hochstromklemme mit Federkraftklemmanschluß
FR2825838B1 (fr) 2001-06-06 2006-12-29 Schneider Electric Ind Sa Borne a vis
DE102007016333B4 (de) 2007-04-04 2009-01-15 Siemens Ag Elektrisches Reiheneinbaugerät
DE102010023423A1 (de) 2010-06-11 2011-12-15 Wago Verwaltungsgesellschaft Mbh Federklemmelement und Reihenklemme

Also Published As

Publication number Publication date
WO2022238120A1 (fr) 2022-11-17
DE102021112258A1 (de) 2022-11-17

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