EP0593862A1 - Boîtier de connection pour appareils électriques - Google Patents

Boîtier de connection pour appareils électriques Download PDF

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Publication number
EP0593862A1
EP0593862A1 EP93112030A EP93112030A EP0593862A1 EP 0593862 A1 EP0593862 A1 EP 0593862A1 EP 93112030 A EP93112030 A EP 93112030A EP 93112030 A EP93112030 A EP 93112030A EP 0593862 A1 EP0593862 A1 EP 0593862A1
Authority
EP
European Patent Office
Prior art keywords
connection
housing
contacts
operating element
projection
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
EP93112030A
Other languages
German (de)
English (en)
Other versions
EP0593862B1 (fr
Inventor
Franz Schrauder
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.)
Wieland Electric GmbH
Original Assignee
F Wieland Elektrische Industrie 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
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Application filed by F Wieland Elektrische Industrie GmbH filed Critical F Wieland Elektrische Industrie GmbH
Publication of EP0593862A1 publication Critical patent/EP0593862A1/fr
Application granted granted Critical
Publication of EP0593862B1 publication Critical patent/EP0593862B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/6608—Structural association with built-in electrical component with built-in single component
    • H01R13/6625—Structural association with built-in electrical component with built-in single component with capacitive component

Definitions

  • connection housing with the features listed in the preamble of claim 1.
  • the basic structure, the function determination and the advantageousness of such a connection housing are described in DE 39 25 225 C1, so that reference is made to this for the sake of simplicity in order to avoid unnecessary repetitions.
  • connection housings are equipped with these operating or device elements, so that their separate installation during the final assembly can be omitted. This also significantly reduces the error rate during final assembly.
  • connection housing of the type mentioned in such a way that it is particularly advantageously suitable for the additional arrangement of said operating elements.
  • This object is achieved by the characterizing part of claim 1.
  • This solution is based on the following considerations: In order to protect the connection contacts from mechanical damage, a housing projection located next to the connection contacts is provided, which projects beyond the connection contacts in the direction of insertion. This housing projection is that part of the connection housing which is furthest away from the housing wall in the plug-in direction, ie in the direction of the electrical device.
  • this housing protrusion as the connection contacts is also a laterally surrounding envelope formed, which also carries a mechanical plug-in coding, on the one hand to ensure damage-free assembly of the connection housing and, on the other hand, an unmistakable connection with the device-side mating contacts.
  • the housing protrusion initially offers a relatively large fastening surface, which does not run in the plane of the device-side wall of the connection housing, but at right angles to it in the direction of insertion practically outside the connection housing in an area which lies after the installation of the connection housing in the interior of the device.
  • the connection housing can be kept small-volume so that it does not protrude too far beyond the mounting wall of the electrical device after it has been installed.
  • connection contacts and the housing protrusion or the envelope which contains them and serve as damage protection for the connection contacts are those parts which are guided through the device wall during plug-in assembly and are in the interior of the device in the final assembly state.
  • the device wall contains a wall cutout that is practically matched to the outer contour of these parts, that is to say mostly to the outer contour of the envelope. For reasons of stability alone, it is advantageous to keep this wall cutout as small as possible, also in order to have sufficient space available in its surroundings for snap locking between the junction box and the electrical appliance.
  • the operating elements are fixed directly on the housing projection or on the envelope casing containing it, that is to say on the part itself which extends through the device wall.
  • This design has the further advantage that even larger-volume operating elements of this type can be accommodated more easily and without the need for a larger construction volume of the connection housing.
  • the operating elements can namely be designed so that the largest dimension of their construction volume in the direction of insertion extends beyond the housing wall in the direction of the electrical device, in the interior of which the housing problems are not nearly as great as in the area of the junction box itself.
  • the solution according to the invention offers the advantage of a further design option according to claim 2, which considerably simplifies the assembly of the operating element.
  • a simple direct mechanical connection between the operating element or a carriage carrying the operating element on the one hand and the connection housing on the other hand is possible, which can even make an additional screwing, welding or jamming unnecessary.
  • the entire length of the housing projection is available for reliable guiding and holding of the operating element.
  • a latching according to claim 3 can advantageously ensure that the final assembly position is maintained over the entire service life. Claim 4 enables the subsequent replacement of a defective operating element.
  • the housing projection In connection housings of this type, the housing projection generally carries a mechanical plug-in coding.
  • at least one flank of the housing projection is provided with grooves and shaped ribs which form the plug-in coding and extend in the plug-in direction and which give the end face of the housing projection on its coding side in plan view approximately the shape of a key bit.
  • the insulating body enclosing the counter contacts on the device side has a counter coding corresponding to this coding in the form of a system plug. This ensures an unmistakable connection of the connection contacts with the counter contacts on the device side.
  • Connection housings according to the invention are generally injection-molded in one piece with the housing projection or with the casing jacket containing the housing projection from an electrically insulating plastic.
  • a largely constant wall thickness for example of the housing projection or of the envelope jacket containing it, is sought.
  • the housing protrusion is generally not flat on the flank opposite its coded flank. Rather, it is designed as a profile strip, the profile of which extends in the plugging direction and the fixing side of which has a longitudinal profile corresponding approximately negatively to the profile of the coding side.
  • Claim 9 is also of particular advantage. Its implementation does not cause any additional problems because the flanks of the housing projection or the sides of the casing are designed to be slightly converging in the insertion direction anyway. It is known that each plastic injection-molded part should have demoulding bevels which facilitate its solution from the injection mold. The slight chamfer, which is therefore necessary, also on the fixing side of the housing protrusion is also used here to give the dovetail groove on the operating element an additional tightening in the direction of sliding open. As a result, the operating element receives a tight, vibration and shake-proof adhesive seat with increasing movement of its push-on movement towards the assembly end position, which can be secured against unintentional loosening by means of an additional latching with the housing projection.
  • connection contacts are provided parallel to the connection contacts arranged within the envelope, which are electrically connected, in particular in one piece, to those connected to those. These additional contacts also protrude from the connection housing in the direction of insertion, but are arranged outside the envelope on the fixing side of the housing projection for the operating element.
  • the contacting with the mating contacts of the operating element is accomplished automatically by the design of the additional contacts, in particular according to claim 13, with the fixing of the operating element on the housing projection by in particular when pushing on the operating element, a plug contact is made with the additional contacts.
  • the connector housing 1 contains on its underside 2 the insertion opening for a power cable connection, not shown, as is shown, for example, in FIGS. 1 and 3 of DE 35 40 135 C1.
  • the interior of the connection housing 1 is not shown in detail here because its design corresponds essentially to that of the aforementioned prior art.
  • the connection housing 1 is connected with its connection side 3 to an electrically operated device, not shown here, e.g. connected to an electrical household appliance.
  • this connection is made in the form of a lock similar to the aforementioned prior art by means of the locking projections 5 projecting in the direction of the electrical device (not shown), namely in the plug-in direction 4.
  • connection housing 1 From the connection side 3 of the connection housing 1 there are further connection contacts 6 in the plug-in direction 4. Furthermore, the connection housing 1 is provided with a housing projection 7 which also protrudes in the plug-in direction 4. The housing projection 7 is in the plug-in direction 4 beyond the contacts 6 and thereby forms for the Contacts 6 a mechanical damage protection.
  • the housing protrusion 7 is formed as part of an enveloping jacket (FIG. 5) which laterally surrounds the connection contacts, which together with the connection contacts 6 thereby forms a receptacle for a system plug (not shown) on the device.
  • the housing projection 7 (FIG. 5) forms a shaft with connection contacts 6 lying therein.
  • the connection contacts 6 are system plug pins and, in the exemplary embodiment, are formed by tongue-like flat contacts analogous to FIGS. 8 and 9 of DE 35 40 135 C1.
  • the housing projection 7 is the carrier of an operating element 8, for example a capacitor, required for the operation of the electrical device (not shown).
  • the operating element 8 can be pushed onto the housing projection 7 against the plug-in direction 4 and can be locked in its end-of-slide position, for example in the manner of a spring catch.
  • This latching capability is also expediently releasable, in order to enable damage-free replacement of the operating element 8 in the event of a repair.
  • the operating element 8 is integrally connected to the housing projection 7 in its postponement position, e.g. is glued or welded.
  • the fixing or top side 9 of the housing projection 7 is also designed as a carrying guide for the slide-on movement for holding the operating element 8.
  • This part of the housing projection 7 carries on its flank 10 facing away from the upper side 9 and facing the connection contacts 6 a plug-in coding 11 which interacts mechanically with a counter-coding, not shown here, on the device side.
  • This counter-coding is part of an insulating body including the device-side counter-contacts to the connecting contacts 6 and thereby forming a system plug with a peripheral contour which corresponds to the inner peripheral contour of the housing projection 7 on the connecting housing 1 and only thereby enables the connecting housing to be plugged in or coupled to the device.
  • the carrying guide located on the top 9 of the housing projection 7 is designed as a dovetail guide extending in the plugging direction 4.
  • Fig.5 is the Dovetail cross-section of the housing projection 7 in the area of its upper side 9 is clearly recognizable. Its sides 12 enclose an acute angle 16 with one another in the manner of the legs of a trapezoid with its longer parallel side (upper side 9) facing the operating element 8.
  • the operating element 8 is designed on its underside as a support slide 13 or is provided with one which has on its underside a dovetail groove 14 which corresponds to the dovetail guide of the housing projection 7.
  • the dovetail groove 14 also extends in the plug-in direction 4.
  • the dovetail guide on the fixing or top side 9 of the housing projection 7 is provided in the region of its end face 15 (FIG. 2) with more converging side areas 17, which make it easier to slide the carrying slide 13 on.
  • the dovetail sides 12 of the housing projection 7, which otherwise form the trapezoidal limbs, converge only slightly in the plugging direction 4. This slight convergence is practically the inevitable consequence of the injection-molded manufacture of the housing projection 7 as a one-piece injection-molded part made of insulating material with the connection housing 1 and which must have slight draft angles for its removal from the injection mold.
  • This need for injection technology is used here for fixing purposes, in that the operating element 8 or its support slide 13 sits increasingly non-positively on the dovetail guide of the housing projection 7 with increasing approach to its end position for being pushed open relative to the housing projection 7.
  • additional connection contacts - hereinafter referred to as additional contacts 18 - are available, which are electrically conductively connected to the connection contacts 6, in particular made in one piece.
  • These additional contacts 18 are also in the insertion direction 4 from the connection side 3 of the connection housing, but are located outside the housing projection 7, namely above its fixing or top 9. They protrude into the push-on area of the operating element 8 in such a way that they are in the course of pushing on the operating element 8 inevitably be contacted with its mating contacts 19 designed as plug-in tongues.
  • the mating contacts 19 are opposite to the plug-in direction 4 from the end face of the operating element 8 facing the connection housing 1.
  • connection housing 1 pre-assembled in this way with the operating element 8 to the electrical device (not shown) takes place in the manner known from DE 35 40 135 C1 with only one difference: the device side facing the connection housing 1 or its sheet metal cutout must be in view of the operating element 8 saddled onto the housing projection 7 can be enlarged in order to enable the introduction not only of the housing projection 7 but also of the operating element 8 into the interior of the device.
  • the entire top 9 of the housing projection 7 is designed as a dovetail guide.
  • the arrangement of the plug-in coding 11 on the underside facing away from the top 9 also makes it possible, however, to provide the top 9 in accordance with the plug-in coding 11 with a longitudinal profile which is approximately negative to the plug-in coding 11.
  • a largely constant wall thickness of the housing projection could be created, as is present in the remaining areas (FIG. 5). Such a constant wall thickness would not only result in advantages in terms of injection technology, but would also result in savings in injection material.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP93112030A 1992-10-23 1993-07-28 Boîtier de connection pour appareils électriques Expired - Lifetime EP0593862B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9214353U 1992-10-23
DE9214353U DE9214353U1 (de) 1992-10-23 1992-10-23 Anschlußgehäuse für elektrische Geräte

Publications (2)

Publication Number Publication Date
EP0593862A1 true EP0593862A1 (fr) 1994-04-27
EP0593862B1 EP0593862B1 (fr) 1996-03-27

Family

ID=6885166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93112030A Expired - Lifetime EP0593862B1 (fr) 1992-10-23 1993-07-28 Boîtier de connection pour appareils électriques

Country Status (2)

Country Link
EP (1) EP0593862B1 (fr)
DE (2) DE9214353U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0813286A2 (fr) * 1996-06-10 1997-12-17 Flender Austria Antriebstechnik Aktiengesellschaft Connecteur pour électromoteur
US7342759B2 (en) 2002-05-17 2008-03-11 Bsh Bosch Und Siemens Hausgeraete Gmbh Power supply unit having a mains suppression filter for an electrically operated domestic appliance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273406A (en) * 1978-12-28 1981-06-16 Mitsuoka Electric Mfg. Co., Ltd. Electrical cord adapter
FR2511135A1 (fr) * 1981-08-07 1983-02-11 Aspera Spa Bloc d'alimentation et de protection pour compresseurs hermetiques de refrigerateurs a regulation thermostatique
EP0170455A2 (fr) * 1984-07-31 1986-02-05 Fargo Assembly of PA, Inc. Bloc modulaire et systèmes électriques de construction utilisant celui-ci
DE3925225C1 (fr) * 1989-07-29 1990-07-26 F. Wieland Elektrische Industrie Gmbh, 8600 Bamberg, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273406A (en) * 1978-12-28 1981-06-16 Mitsuoka Electric Mfg. Co., Ltd. Electrical cord adapter
FR2511135A1 (fr) * 1981-08-07 1983-02-11 Aspera Spa Bloc d'alimentation et de protection pour compresseurs hermetiques de refrigerateurs a regulation thermostatique
EP0170455A2 (fr) * 1984-07-31 1986-02-05 Fargo Assembly of PA, Inc. Bloc modulaire et systèmes électriques de construction utilisant celui-ci
DE3925225C1 (fr) * 1989-07-29 1990-07-26 F. Wieland Elektrische Industrie Gmbh, 8600 Bamberg, De

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0813286A2 (fr) * 1996-06-10 1997-12-17 Flender Austria Antriebstechnik Aktiengesellschaft Connecteur pour électromoteur
EP0813286A3 (fr) * 1996-06-10 1999-03-31 ATB Austria Antriebstechnik Aktiengesellschaft Connecteur pour électromoteur
US7342759B2 (en) 2002-05-17 2008-03-11 Bsh Bosch Und Siemens Hausgeraete Gmbh Power supply unit having a mains suppression filter for an electrically operated domestic appliance
DE10222108B4 (de) * 2002-05-17 2010-03-25 BSH Bosch und Siemens Hausgeräte GmbH Netzanschlusseinheit mit einem Netzentstörfilter für ein elektrisch betriebenes Haushaltgerät

Also Published As

Publication number Publication date
EP0593862B1 (fr) 1996-03-27
DE9214353U1 (de) 1993-01-07
DE59302038D1 (de) 1996-05-02

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