EP0800239A2 - Bloc de connexion multipolaire pour le montage fixe sur les parois de boîtiers d'appareils électriques - Google Patents

Bloc de connexion multipolaire pour le montage fixe sur les parois de boîtiers d'appareils électriques Download PDF

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Publication number
EP0800239A2
EP0800239A2 EP97105317A EP97105317A EP0800239A2 EP 0800239 A2 EP0800239 A2 EP 0800239A2 EP 97105317 A EP97105317 A EP 97105317A EP 97105317 A EP97105317 A EP 97105317A EP 0800239 A2 EP0800239 A2 EP 0800239A2
Authority
EP
European Patent Office
Prior art keywords
terminal block
cable
coupling
dovetail
coupling elements
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
Application number
EP97105317A
Other languages
German (de)
English (en)
Other versions
EP0800239B1 (fr
EP0800239A3 (fr
Inventor
Michael Taller
Thomas Waible
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.)
Taller GmbH
Original Assignee
Taller GmbH
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 Taller GmbH filed Critical Taller GmbH
Publication of EP0800239A2 publication Critical patent/EP0800239A2/fr
Publication of EP0800239A3 publication Critical patent/EP0800239A3/fr
Application granted granted Critical
Publication of EP0800239B1 publication Critical patent/EP0800239B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • 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
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall

Definitions

  • the invention relates to a multi-pole terminal strip for fixed attachment to a housing wall of an electrical device, in particular a household appliance, with the aid of a strain-relieving cable bushing according to the preamble of claim 1.
  • a terminal strip generally provides several similar connection options for each pole.
  • at least one pole of the power terminal block is the main motor, the pump motor, the heating elements and the power supply for the control are connected.
  • the power cable is inserted into the device housing via a corresponding hole, recess, housing joint or the like guided.
  • Cable bores such as sealing grommets, anti-kink grommets or choke plugs are generally used for housing bores.
  • strain relief is additionally required for the power cord, this is attached separately to the power cord itself or somewhere on the device housing.
  • the strain relief is integrated in the power cable duct, for example in the cable glands that clamp the power cord radially all around.
  • Still other mains cable bushings have strain relief clamps with which the mains cable is clamped like pliers.
  • mains cable bushings, the mains cable and the mains connection clamps or the mains connection terminal strips must be handled separately when assembling or electrical installation of the devices. Pre-assembly of these parts is only possible to a limited extent.
  • the invention is therefore based on the problem of creating a component or assembly which facilitates cable assembly and which enables almost any variable adaptation to various electrical devices.
  • the problem is solved by means of an aggregation of a connecting terminal strip or connecting terminal with a cable bushing with the aid of the features of the main claim.
  • Both components are connected at least semi-rigidly to one another via a mechanical coupling or plug-in system verified via a dovetail / dovetail groove coupling pair, which results in a connecting terminal strip which is fastened to the housing wall via the cable bushing.
  • the cable entry on the terminal block or its housing or support be spatially arranged and coupled in such a way that the cable and the various clamping, plug-in and possibly screw connections can be mounted on the two coupled components.
  • a power cord can be assembled from the power plug to the terminals of the terminal block outside the electrical device. For installation and attachment to the device, only the power cable end consisting of the connection terminal strip and the cable entry must be plugged into the housing from the outside and snapped into place.
  • the coupling elements are designed and dimensioned so that, depending on the device and application, individual terminal strips or terminals with different types of cable entries can be combined.
  • a clutch usually consists of a pair of coupling elements with a positive and a complementary negative coupling element. Both coupling elements can be molded onto the respective component or fastened differently.
  • the positive coupling element can be arranged on one component and the negative on the other. It is also possible that a negative coupling element is incorporated in each of the two components to be connected. A separate double positive coupling element is used here to establish the connection.
  • a pair of coupling elements consists, for example, of a dovetail and a dovetail groove.
  • other form-fitting connections can also be used, for example a T-slot connection, a push-button connection or the like. Wrapping around or behind, which encompass the outer edges of the component, are also conceivable.
  • pins can be used as positive connections, which are inserted for coupling with oversize into narrower bores or recesses, so that a cross-press connection is created there.
  • a combination of a positive and a non-positive connection is also conceivable, e.g. a dowel connection in which the dowel is spread as a separate part of a coupling element by inserting a pin.
  • the first installation element is a mains cable bushing (10) with strain relief.
  • the mains cable bushing (10) is used to lead a generally multi-pole mains cable (1) into the interior of an electrical device through the device wall (5) and to fix it there.
  • it has, for example, an approximately tubular cable feed-through part (11) which at one end merges into a flange-like insertion sleeve (12) and carries a strain relief (16, 17) at its other end. With the help of the grommet (12) it lies on the outside of the housing wall (5).
  • a plurality of elastic locking lugs (13) are arranged on the essentially cylindrical outer contour of the cable lead-through part (11). The locking lugs (13) are supported on the inside of the housing wall (5) for fastening the power cable bushing (10).
  • a strain relief clamp (16) is pivotally attached to the rear area of the cable lead-through part (11) via a film joint. On the side opposite the film joint, there is a clamp screw (17) in the strain relief clamp (16), with which it is clamped against the cable feed-through part (11) by clamping the power cable (1).
  • a coupling block (20) is arranged on the cable lead-through part (11) below the strain relief clamp (16, 17).
  • the coupling block (20) here has the shape of a cube. It stands in the direction of the center line of the cable entry part (11) over its rear end by approx. half an edge length over.
  • the coupling block (20) projects downward from the cable lead-through part (11) by about a 2/3 edge length.
  • two dovetail-shaped coupling elements (24, 25) are molded onto the coupling block (20).
  • the dovetails (24, 25) are arranged on the front (21) and underside (22) of the coupling block (20), cf. Figure 4.
  • the longitudinal edges of the dovetails (24, 25) run parallel to one another and with respect to the housing wall (5) shown here.
  • the dovetails (24, 25) extend over the entire respective side length of the coupling block (20). If necessary, they can also be shorter or interrupted.
  • the second installation element is a mains connection terminal strip (30) with a multipole terminal block housing (31).
  • the latter has three adjacent, approximately cuboid chambers (38), in each of which a contact element group (50) is accommodated.
  • the contact element group (50) contains three standardized flat plugs, whose plug lugs (51) protrude from the plug lug side (32) of the terminal strip housing (31). Separators (39) lie between the plug-in lugs (51) of different contact element groups. Furthermore, the contact element group (50) has a screw terminal connection, the clamping screw (53) of which is accessible from the upper side (34) of the terminal strip housing (31).
  • a conductor (2) of the power cable (1) is connected to the plug-in tabs (51) via a crimp connection.
  • a necessary crimp sleeve (52) protrudes from the crimp sleeve side (33) of the terminal block housing (31).
  • the power supply terminal strip (30) has on its upward-facing end face (36) two dovetail grooves (44, 45) crossing at 90 °, one of which is aligned parallel to the side of the lug (32) and the other parallel to the bottom (35) .
  • the dovetail grooves (44, 45) here extend over the entire end face (36).
  • the dovetail grooves (44, 45) can end with or without a stop, for example, before reaching the socket side (32) and / or the upper side (34). It is also possible to provide one or more catches in the area of the coupling elements.
  • the latches can lock releasably or non-releasably.
  • the dovetail grooves (44, 45) or the dovetails (24, 25) can also be present on the opposite end face or in other areas of the terminal block housing (31). If necessary, two or more connecting terminal strips can also be combined with one another via the coupling elements (24, 25; 44, 45).
  • FIGs 2 to 6 show some coupling options between the power cable bushing (10) and the power terminal block (30), in which the power cable (1) and the contact element group (50) are not shown.
  • the terminal block housing (31) is coupled with its end face (36) to the underside (22) of the coupling block (20).
  • the dovetail groove (45) is on the dovetail (25) so that the bottom side (35) of the terminal block housing (31) faces the housing wall (5).
  • the terminal block housing (31) is shown pivoted 90 ° counterclockwise compared to Figure 2 seen from below.
  • the dovetail (25) sits in the dovetail groove (44).
  • the crimp sleeve side (33) of the terminal block housing (31) is oriented towards the housing wall (5).
  • Figures 4 to 6 show power supply terminal strips (30) which point perpendicular to the housing wall (5) into the interior of the housing.
  • the parting line lies parallel to the housing wall (5).
  • the dovetail grooves (44, 45) each encompass the dovetail (24) formed on the front (21) of the coupling block (20).
  • the dovetail groove (44) sits on the dovetail (24).
  • the plug-in tab side (32) of the terminal block housing (31) points downward in FIG. 4 and upward in FIG. 6.
  • the cable bushing 10, including the insertion sleeve 12 can be formed in two parts.
  • they consist of two semicircular halves, in particular connected to one another via a film joint, between which the mains cable is inserted and the then folded and fixed relative to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Casings For Electric Apparatus (AREA)
  • Installation Of Indoor Wiring (AREA)
EP97105317A 1996-04-01 1997-03-28 Bloc de connexion multipolaire pour le montage fixe sur les parois de boítiers d'appareils électriques Expired - Lifetime EP0800239B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19613748 1996-04-01
DE19613748A DE19613748A1 (de) 1996-04-01 1996-04-01 Mehrpolige Anschlußklemmleiste zur ortsfesten Befestigung an einer Gehäusewandung für elektrische Geräte

Publications (3)

Publication Number Publication Date
EP0800239A2 true EP0800239A2 (fr) 1997-10-08
EP0800239A3 EP0800239A3 (fr) 1999-01-20
EP0800239B1 EP0800239B1 (fr) 2001-09-05

Family

ID=7790618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97105317A Expired - Lifetime EP0800239B1 (fr) 1996-04-01 1997-03-28 Bloc de connexion multipolaire pour le montage fixe sur les parois de boítiers d'appareils électriques

Country Status (3)

Country Link
EP (1) EP0800239B1 (fr)
AT (1) ATE205337T1 (fr)
DE (2) DE19613748A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432779A1 (fr) * 1978-08-02 1980-02-29 Mars Actel Reglette de raccordement
US4611879A (en) * 1984-07-31 1986-09-16 Dill Products Incorporated Modular block and electrical interface assemblies employing same
ES282139Y (es) * 1984-10-19 1985-12-16 I.T.W. Espana, S.A. Conector retenedor de cable
US4763313A (en) * 1987-03-13 1988-08-09 Partz Partnership Plural orientation watch mount
DE8806765U1 (de) * 1988-05-24 1988-07-14 Electro-Terminal Ges.M.B.H., Innsbruck Kabelanschlußvorrichtung

Also Published As

Publication number Publication date
ATE205337T1 (de) 2001-09-15
DE19613748A1 (de) 1997-10-02
EP0800239B1 (fr) 2001-09-05
EP0800239A3 (fr) 1999-01-20
DE59704503D1 (de) 2001-10-11

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