EP2437633A1 - Handle for an appliance housing - Google Patents

Handle for an appliance housing

Info

Publication number
EP2437633A1
EP2437633A1 EP10718208A EP10718208A EP2437633A1 EP 2437633 A1 EP2437633 A1 EP 2437633A1 EP 10718208 A EP10718208 A EP 10718208A EP 10718208 A EP10718208 A EP 10718208A EP 2437633 A1 EP2437633 A1 EP 2437633A1
Authority
EP
European Patent Office
Prior art keywords
handle
plastic body
handle according
handle bar
metal tube
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
EP10718208A
Other languages
German (de)
French (fr)
Other versions
EP2437633B1 (en
Inventor
Christoph Becke
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2437633A1 publication Critical patent/EP2437633A1/en
Application granted granted Critical
Publication of EP2437633B1 publication Critical patent/EP2437633B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • E05B1/0015—Knobs or handles which do not operate the bolt or lock, e.g. non-movable; Mounting thereof

Definitions

  • the present invention relates to a handle for a housing of an electrical appliance, in particular a household appliance such as a refrigerator or freezer, an oven or the like.
  • a handle can be used to open a door or flap of such a device or as a carrying handle.
  • EP 0 948 275 B1 discloses a handle of this type with a handle bar and two end pieces connecting the ends of the handle bar with a door.
  • the substantially massive handle bar has at its ends laterally open slots, in each of which engages one of the end pieces and in which it is fixed, for example by means of a
  • the handlebar is essentially solid, which leads to not inconsiderable costs in production of metal such as aluminum or stainless steel.
  • the object is achieved by a handle with a handle bar and two ends of the handle bar with the door connecting end pieces, wherein the handle bar comprises an internally reinforced by a plastic body metal tube.
  • the plastic body substantially contributes to the mechanical strength of the handle bar, the metal tube can be made with a small wall thickness, in particular a wall thickness, which would not ensure sufficient resilience of the handle taken by itself.
  • the plastic body may be an extrusion profile, preferably a hollow profile. It is also conceivable to form the plastic body by a inner cavity of the metal tube with plastic, preferably with a solid foam material, is filled.
  • the hollow profile may have one or more internal reinforcing ribs as needed.
  • the end pieces preferably carry a pin engaging the handle bar from its open ends. If the grips are attached to the door, thereby also the handle bar is firmly held, without the need for beyond the engagement still a rigid connection between the end pieces and the handlebar.
  • the handle bar has a cutout that is open at one of its ends, the edges of the cutout can at least largely be hidden in a groove of the end piece. Thus it can be ensured that the plastic body is always hidden under the metal tube and is not visible as long as the handle is mounted on a door.
  • An end plate of the end pieces which covers one end face, preferably a cut edge at one end of the handle bar, is also useful for concealing the plastic body.
  • the end face is received in a groove of the end plate.
  • the metal pipe a wall thickness between 0.25 and 0.75 mm is sufficient.
  • the metal tube is produced by coating the plastic body.
  • the metal tube is coextruded with the plastic body.
  • the metal tube is coextruded with the plastic body.
  • the metal tube can be easily formed from a metal strip whose edges are parallel to the longitudinal axis of the plastic body after the manufacture of the handle.
  • a subsequent detachment of the metal tube can be prevented from the plastic body, by an angled into the plastic body web is angled at least at one edge of the metal strip. Preferably, this web is at least partially surrounded by the plastic of the body form fit.
  • Fig. 1 is a perspective view of an inventive
  • Figures 2 and 3 are perspective views of an end piece of the door handle
  • Fig. 5 is a horizontal section along one between two
  • FIG. 6 shows a section similar to FIG. 5 according to a second section
  • Fig. 7 is an analogous to Fig. 5 section according to a third
  • Fig. 9 is a perspective view of the handle bar of the door handle according to the third embodiment.
  • the handle shown in Fig. 1 is composed essentially of three parts, one elongated cylindrical handle bar 1 and two end pieces 2, 3, from above and engage below in open ends of the hollow handlebar 1.
  • the two end pieces 2, 3 are mirror images of each other and arranged, and the upper end piece 2 is shown in two different perspective views in Figs. 2 and 3 in detail. It comprises a substantially cylindrical, engaging in the handle bar 1 pin or mandrel 4, which is tapered slightly frusto-conical at its free end to facilitate the play-free insertion into the handle bar 1.
  • a flange 5 is formed, whose diameter corresponds exactly to the outer diameter of the handle bar 1, so that in the assembled state, when the pin 4 is inserted into the hollow interior of the handle bar 1, the edge of the flange fifth and the peripheral surface of the handle bar 1 flush with each other.
  • the pin 4 may be hollow for material saving and open at its pointed free end.
  • the handle bar 1 has a two-layer construction, with a play-free on the pin 4 plugged plastic extruded inner profile 13 and a profile 13 surrounding the form-fitting, thin-walled metal tube 14, preferably made of aluminum or stainless Stole.
  • the wall thickness of the metal tube 14 is too small, preferably about 0.5 mm, that it could withstand without the assistance of the inner profile 13, the forces occurring during the use of the handle.
  • Figures 2 and 3 show at the transition between the pin 4 and the arm 6 of each end piece 2, 3 on three sides a groove 12.
  • This groove takes in the assembled state of the handle, as shown in Fig. 4, edges of a in the handle bar 1 cut, to the ends of the handle bar 1 open towards cutout. The edges of the cutout are thereby completely hidden within the groove 12 so that the profile 13 exposed to them is not visible on the assembled handle.
  • the inner profile 13 is covered by the flanges 5 of the end pieces 2, 3.
  • the end pieces 2, 3 are made of metal, the handle seems as if it only consisted of solid metal.
  • Fig. 5 shows a section through the handle in a plane parallel to the plane of Fig. 4, extending between the end pieces 2, 3 horizontal plane.
  • the profile 13 does not have a tubular cross-section closed over its entire circumference, but has a narrow slot 15 extending in the longitudinal direction of the handle bar 1 and connecting the two cut-outs to a side which is remote from the user and not normally visible during use .
  • the metal pipe 14 has no closed cross-section, but is formed from a metal strip by this, while it passes through an extrusion tool for the profile 13, first edge webs 16 are angled and the main part of the tape, between the edge webs 16, by he is guided together with the profile 13 through an extruder die, is bent around the tube 13 similar to the profile, wherein the edge webs 16 in the interior of the profile, the edges of the slot 15 embracing come to rest.
  • the rib 17 preferably runs parallel to the effective direction of an actuating force normally exerted on the handle when opening and closing the door, that is to say essentially parallel to the lateral flank 9 of the door 8.
  • the profile 13 has a reinforcing rib 13, then this must either be removed before joining the handle bar 1 with the end pieces 2, 3 at the ends of the handle bar 1, or the pin 4 of the end pieces must be different from the illustration of FIGS. 2 and 3, to the reinforcing ribs 13 complementary recesses.
  • the metal tube 14 on the profile 13 over the entire surface by adhesion which may be a result of coextrusion or mediated by an additional adhesive, and at the level of the end pieces 2, 3 by clamping the edge webs 16 between the inner surface of the Profile 13 and the pin 4 engaging therein fixed.
  • FIG. 6 shows a cross section analogous to FIG. 5 through the handle bar 1 according to a second embodiment of the invention.
  • the profile 13 is essentially tubular with a slot 15 arranged at an inconspicuous point remote from the user.
  • the slot 15 does not extend into the central inner cavity of the profile 13, but rather the edges of the slot 15 pass through one another a protruding into the inner cavity of the profile 13 flat rib 18 integrally connected.
  • the rib 18 embeds the barb-like curved edge webs 16 of the metal tube 14, which are thereby anchored positively in the profile 13 over its entire length.
  • a gap 19 between opposite sides of the edge webs 16 may be filled with the plastic material of the profile 13 in order to improve the anchoring of the edge webs 16.
  • FIG. 7 shows a third embodiment of the handle according to the invention, again in a section analogous to FIG. 5.
  • the protruding into the interior of the profile rib 18 is omitted here, instead, the inside of the handle bar 1 in angled edge webs 16 are so narrow that between them and engaging in the interior cylindrical pin 4 still room for a one-piece connection 20 between two sides the slot 15 is; in other words, the profile 13 has a closed tubular cross-section whose outer periphery has two closely adjacent hook-shaped recesses or a T-shaped recess which receives the edge webs 16 of the tube 14 in a form-fitting manner.
  • Fig. 8 shows in analogy to Fig. 4 is a section through the handle according to the third embodiment in a plane passing through an end piece 2 or 3 level. It can be seen here and on the perspective view of the handle bar 1 shown in Fig. 9, that the - here designated 21 - to one end of the handle bar 1 through cutout, through which the Arm 6 of the tail extends and whose edges are received in the groove 12 of the tail, is cut on only one side of the slot 15 from the profile 13; on the other side of the edge web 16 of the metal tube 14 is intact and is hooked over its entire length in the profile 13 non-positively and positively.
  • the handle bar is made of a closed-walled metal tube which is stiffened by a suitable synthetic resin material is allowed to expand in one of the metal tube and the inserted into its ends end pieces 2, 3 limited internal cavity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Wing Frames And Configurations (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

The invention relates to a handle for a door or a flap, particularly of a household appliance, having a handle bar (1) and two end pieces (2, 3) connecting the two ends of the handle bar (1) to the door (8). The handle bar (1) comprises a metal tube (14) reinforced internally by a plastic body (13).

Description

Griff für ein Gerätegehäuse Handle for a device housing
Die vorliegende Erfindung betrifft einen Griff für ein Gehäuse eines Elektrogeräts, insbesondere eines Haushaltsgeräts wie etwa eines Kühl- oder Gefrierschranks, eines Backofens oder dergleichen. Ein solcher Griff kann zum Öffnen einer Tür oder einer Klappe eines solchen Geräts oder als Tragegriff dienen.The present invention relates to a handle for a housing of an electrical appliance, in particular a household appliance such as a refrigerator or freezer, an oven or the like. Such a handle can be used to open a door or flap of such a device or as a carrying handle.
Aus EP 0 948 275 B1 ist ein Griff dieses Typs mit einer Griffstange und zwei die Enden der Griffstange mit einer Tür verbindenden Endstücken bekannt. Die im Wesentlichen massive Griffstange weist an ihren Enden seitlich offene Schlitze auf, in die jeweils eines der Endstücke eingreift und in denen es befestigt ist, zum Beispiel mit Hilfe einerEP 0 948 275 B1 discloses a handle of this type with a handle bar and two end pieces connecting the ends of the handle bar with a door. The substantially massive handle bar has at its ends laterally open slots, in each of which engages one of the end pieces and in which it is fixed, for example by means of a
Madenschraube oder durch formschlüssigen Eingriff eines zylindrischen Abschnitts des Endstücks in eine axiale Bohrung der Griffstange. Die Griffstange ist im Wesentlichen massiv, was bei Fertigung aus Metall wie etwa Aluminium oder Edelstahl zu nicht unerheblichen Kosten führt.Grub screw or by positive engagement of a cylindrical portion of the tail in an axial bore of the handlebar. The handlebar is essentially solid, which leads to not inconsiderable costs in production of metal such as aluminum or stainless steel.
Um Kosten zu sparen, andererseits aber keine Abstriche hinsichtlich des äußeren Erscheinungsbildes des Griffs in Kauf nehmen zu müssen, ist es daher wünschenswert, einen solchen Griff so auszubilden, dass zu seiner Fertigung nur eine geringe Menge an Metall erforderlich ist, die mechanischen, optischen und haptischen Eigenschaften aber denen eines Metallgriffs entsprechen oder eher allenfalls mit Mühe von denen eines Metallgriffs zu unterscheiden sind.To save costs, on the other hand, but without having to compromise on the external appearance of the handle, it is therefore desirable to design such a handle so that only a small amount of metal is required for its manufacture, the mechanical, optical and Haptic properties but those of a metal handle correspond or at best, at best, with difficulty to distinguish from those of a metal grip.
Die Aufgabe wird gelöst durch einen Griff mit einer Griffstange und zwei die Enden der Griffstange mit der Tür verbindenden Endstücken, bei dem die Griffstange ein intern durch einen Kunststoffkörper verstärktes Metallrohr umfasst. Indem der Kunststoffkörper zur mechanischen Festigkeit der Griffstange wesentlich beiträgt, kann das Metallrohr mit einer geringen Wandstärke gefertigt werden, insbesondere einer Wandstärke, die für sich allein genommen keine ausreichende Belastbarkeit des Griffs gewährleisten würde.The object is achieved by a handle with a handle bar and two ends of the handle bar with the door connecting end pieces, wherein the handle bar comprises an internally reinforced by a plastic body metal tube. By the plastic body substantially contributes to the mechanical strength of the handle bar, the metal tube can be made with a small wall thickness, in particular a wall thickness, which would not ensure sufficient resilience of the handle taken by itself.
Bei dem Kunststoffkörper kann es sich um ein Extrusionsprofil, vorzugsweise um ein Hohlprofil, handeln. Denkbar ist aber auch, den Kunststoffkörper zu bilden, indem ein innerer Hohlraum des Metallrohrs mit Kunststoff, vorzugsweise mit einem festen Schaummaterial, verfüllt wird.The plastic body may be an extrusion profile, preferably a hollow profile. It is also conceivable to form the plastic body by a inner cavity of the metal tube with plastic, preferably with a solid foam material, is filled.
Zu Erhöhung seiner Belastbarkeit kann das Hohlprofil nach Bedarf ein oder mehrere interne Verstärkungsrippen aufweisen.To increase its load capacity, the hollow profile may have one or more internal reinforcing ribs as needed.
Die Endstücke tragen vorzugsweise einen in die Griffstange von deren offenen Enden her eingreifenden Zapfen. Wenn die Griffstücke an der Tür befestigt sind, ist dadurch auch die Griffstange fest gehalten, ohne dass es über den Eingriff hinaus noch einer starren Verbindung zwischen den Endstücken und der Griffstange bedürfte.The end pieces preferably carry a pin engaging the handle bar from its open ends. If the grips are attached to the door, thereby also the handle bar is firmly held, without the need for beyond the engagement still a rigid connection between the end pieces and the handlebar.
Wenn die Griffstange einen zu einem ihrer Enden offenen Ausschnitt aufweist, können die Ränder des Ausschnitts in einer Nut des Endstücks zumindest weitgehend verborgen sein. So kann sichergestellt werden, dass der Kunststoffkörper stets unter dem Metallrohr verborgen ist und nicht sichtbar ist, solange der Griff an einer Tür montiert ist.If the handle bar has a cutout that is open at one of its ends, the edges of the cutout can at least largely be hidden in a groove of the end piece. Thus it can be ensured that the plastic body is always hidden under the metal tube and is not visible as long as the handle is mounted on a door.
Eine Stirnplatte der Endstücke, die eine Stirnseite, bevorzugt eine Schnittkante an einem Ende der Griffstange überdeckt, ist ebenfalls nützlich, um den Kunststoffkörper zu verbergen. Bevorzugt wird die Stirnseite in einer Nut der Stirnplatte aufgenommen.An end plate of the end pieces, which covers one end face, preferably a cut edge at one end of the handle bar, is also useful for concealing the plastic body. Preferably, the end face is received in a groove of the end plate.
Für das Metallrohr ist eine Wandstärke zwischen 0,25 und 0,75 mm ausreichend. Bevorzugt ist das Metallrohr durch Beschichten des Kunststoffkörpers erzeugt.For the metal pipe, a wall thickness between 0.25 and 0.75 mm is sufficient. Preferably, the metal tube is produced by coating the plastic body.
Vorzugsweise ist das Metallrohr mit dem Kunststoffkörper koextrudiert. Indem das Metallrohr somit erst in dem Moment geformt wird, in dem auch der Kunststoffkörper entsteht, kann eine unerwünschte Verformung des Metallrohrs vor der Anbringung bzw. Ausbildung des Kunststoffkörpers verhindert werden.Preferably, the metal tube is coextruded with the plastic body. By thus forming the metal tube only in the moment in which the plastic body is formed, an undesirable deformation of the metal tube prior to attachment or formation of the plastic body can be prevented.
Das Metallrohr kann auf einfache Weise aus einem Metallband geformt werden, dessen Ränder nach der Fertigung des Griffstücks zur Längsachse des Kunststoffkörpers parallel sind.The metal tube can be easily formed from a metal strip whose edges are parallel to the longitudinal axis of the plastic body after the manufacture of the handle.
Wenn die Ränder des Metallrohrs untereinander unverbunden bleiben, kann ein nachträgliches Ablösen des Metallrohrs von dem Kunststoffkörper verhindert werden, indem an wenigstens einem Rand des Metallbandes ein in den Kunststoffkörper eingreifender Steg abgewinkelt ist. Vorzugsweise ist dieser Steg wenigstens zu einem Teil von dem Kunststoff des Körpers formschlüssig umgeben.If the edges of the metal tube remain unconnected with each other, a subsequent detachment of the metal tube can be prevented from the plastic body, by an angled into the plastic body web is angled at least at one edge of the metal strip. Preferably, this web is at least partially surrounded by the plastic of the body form fit.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die beigefügten Figuren. Es zeigen:Further features and advantages of the invention will become apparent from the following description of embodiments with reference to the accompanying figures. Show it:
Fig. 1 eine perspektivische Ansicht eines erfindungsgemäßenFig. 1 is a perspective view of an inventive
Türgriffs in zusammengefügtem Zustand;Door handle in assembled state;
Fig. 2 und 3 jeweils perspektivische Ansichten eines Endstücks des Türgriffs;Figures 2 and 3 are perspective views of an end piece of the door handle;
Fig. 4 einen Schnitt durch den Türgriff entlang einer durch ein Endstück verlaufenden horizontalen Ebene;4 shows a section through the door handle along a horizontal plane passing through an end piece;
Fig. 5 einen horizontalen Schnitt entlang einer zwischen zweiFig. 5 is a horizontal section along one between two
Endstücken verlaufenden Ebene;Tails extending plane;
Fig. 6 einen zu Fig. 5 analogen Schnitt gemäß einer zweiten6 shows a section similar to FIG. 5 according to a second section
Ausgestaltung;design;
Fig. 7 einen zu Fig. 5 analogen Schnitt gemäß einer drittenFig. 7 is an analogous to Fig. 5 section according to a third
Ausgestaltung;design;
Fig. 8 einen Schnitt in einer durch ein Endstück verlaufenden Ebene gemäß der dritten Ausgestaltung; und8 shows a section in a plane passing through an end plane according to the third embodiment. and
Fig. 9 eine perspektivische Ansicht der Griffstange des Türgriffs gemäß der dritten Ausgestaltung.Fig. 9 is a perspective view of the handle bar of the door handle according to the third embodiment.
Der in Fig. 1 gezeigte Griff ist im Wesentlichen aus drei Teilen zusammengesetzt, einer lang gestreckt zylindrischen Griffstange 1 und zwei Endstücken 2, 3, die von oben und unten in offene Enden der hohlen Griffstange 1 eingreifen. Die zwei Endstücke 2, 3 sind spiegelbildlich zueinander ausgebildet und angeordnet, und das obere Endstück 2 ist in zwei verschiedenen perspektivischen Ansichten in Fig. 2 und 3 im Detail gezeigt. Es umfasst einen im Wesentlichen zylindrischen, in die Griffstange 1 eingreifenden Zapfen oder Dorn 4, der an seinem freien Ende leicht kegelstumpfförmig zugespitzt ist, um das spielfreie Einführen in die Griffstange 1 zu erleichtern. Am zu dem Kegel entgegengesetzten Ende des Zapfens 4 ist ein Flansch 5 geformt, dessen Durchmesser exakt dem Außendurchmesser der Griffstange 1 entspricht, so dass in zusammengefügtem Zustand, wenn der Zapfen 4 in das hohle Innere der Griffstange 1 eingeschoben ist, der Rand des Flansches 5 und die Umfangsfläche der Griffstange 1 bündig ineinander übergehen. Der Zapfen 4 kann zur Materialeinsparung hohl und an seinem zugespitzten freien Ende offen sein.The handle shown in Fig. 1 is composed essentially of three parts, one elongated cylindrical handle bar 1 and two end pieces 2, 3, from above and engage below in open ends of the hollow handlebar 1. The two end pieces 2, 3 are mirror images of each other and arranged, and the upper end piece 2 is shown in two different perspective views in Figs. 2 and 3 in detail. It comprises a substantially cylindrical, engaging in the handle bar 1 pin or mandrel 4, which is tapered slightly frusto-conical at its free end to facilitate the play-free insertion into the handle bar 1. At the cone opposite end of the pin 4, a flange 5 is formed, whose diameter corresponds exactly to the outer diameter of the handle bar 1, so that in the assembled state, when the pin 4 is inserted into the hollow interior of the handle bar 1, the edge of the flange fifth and the peripheral surface of the handle bar 1 flush with each other. The pin 4 may be hollow for material saving and open at its pointed free end.
Von dem Zapfen 4 steht in radialer Richtung ein Arm 6 ab, der an seinem freien Ende eine seitliche Aussparung 7 aufweist, deren Form angepasst ist an die Querschnittsform einer Tür, an der der Griff befestigt werden soll. Ein Ausschnitt der Tür, mit 8 bezeichnet, ist in Fig. 4 zu sehen; eine Innenfläche der Aussparung 7 liegt an einer seitlichen Flanke 9 der Tür 8 an und ist an dieser durch eine Schraube 10 fixiert, deren Kopf in einer Bohrung des Arms 6 versenkt ist. Durch die in sich leicht gewinkelte Form des Arms 6 ist die Griffstange 1 vor der Frontseite 11 der Tür 8 gehalten, ohne seitlich über die Tür 8 überzustehen.From the pin 4 is in the radial direction from an arm 6, which has at its free end a lateral recess 7, whose shape is adapted to the cross-sectional shape of a door to which the handle is to be attached. A section of the door, denoted by 8, can be seen in FIG. 4; an inner surface of the recess 7 abuts a lateral flank 9 of the door 8 and is fixed thereto by a screw 10, the head of which is sunk in a bore of the arm 6. Due to the slightly angled shape of the arm 6, the handle bar 1 is held in front of the front side 11 of the door 8, without overhanging the door 8 laterally.
Wie in Fig. 4 zu erkennen, hat die Griffstange 1 einen zweischichtigen Aufbau, mit einem spielfrei auf den Zapfen 4 aufgesteckten, aus Kunststoff extrudierten inneren Profil 13 und einem das Profil 13 formschlüssig umgebenden, dünnwandigen Metallrohr 14, vorzugs- weise aus Aluminium oder rostfreiem Stahl. Die Wandstärke des Metallrohrs 14 ist mit vorzugsweise ca. 0,5 mm zu gering, als dass es ohne Unterstützung durch das innere Profil 13 den bei der Benutzung des Griffs auftretenden Kräften standhalten könnte. Die geringe Menge für das Rohr 14 verwendeten Metalls ermöglicht jedoch eine sehr preiswerte Fertigung.As can be seen in Fig. 4, the handle bar 1 has a two-layer construction, with a play-free on the pin 4 plugged plastic extruded inner profile 13 and a profile 13 surrounding the form-fitting, thin-walled metal tube 14, preferably made of aluminum or stainless Stole. The wall thickness of the metal tube 14 is too small, preferably about 0.5 mm, that it could withstand without the assistance of the inner profile 13, the forces occurring during the use of the handle. The small amount of metal used for the tube 14, however, allows a very inexpensive production.
Die perspektivischen Ansichten der Figuren 2 und 3 zeigen am Übergang zwischen dem Zapfen 4 und dem Arm 6 jedes Endstücks 2, 3 auf drei Seiten eine Nut 12. Diese Nut nimmt in zusammengefügtem Zustand des Griffs, wie in Fig. 4 zu sehen, Ränder eines in die Griffstange 1 eingeschnittenen, zu den Enden der Griffstange 1 hin offenen Ausschnitts auf. Die Ränder des Ausschnitts sind dadurch vollständig innerhalb der Nut 12 verborgen, so dass das an ihnen frei liegende Profil 13 am zusammengefügten Griff nicht sichtbar ist. An den Längsenden der Griffstange 1 ist das innere Profil 13 durch die Flansche 5 der Endstücke 2, 3 verdeckt. Wenn auch die Endstücke 2, 3 aus Metall bestehen, mutet der Griff an, als ob er nur aus massivem Metall bestünde.The perspective views of Figures 2 and 3 show at the transition between the pin 4 and the arm 6 of each end piece 2, 3 on three sides a groove 12. This groove takes in the assembled state of the handle, as shown in Fig. 4, edges of a in the handle bar 1 cut, to the ends of the handle bar 1 open towards cutout. The edges of the cutout are thereby completely hidden within the groove 12 so that the profile 13 exposed to them is not visible on the assembled handle. At the longitudinal ends of the handle bar 1, the inner profile 13 is covered by the flanges 5 of the end pieces 2, 3. Although the end pieces 2, 3 are made of metal, the handle seems as if it only consisted of solid metal.
Fig. 5 zeigt einen Schnitt durch den Griff in einer zur Ebene der Fig. 4 parallelen, zwischen den Endstücken 2, 3 verlaufenden horizontalen Ebene. Man erkennt hier, dass das Profil 13 keinen auf seinem gesamten Umfang geschlossenen rohrförmigen Quer- schnitt hat, sondern einen sich in Längsrichtung der Griffstange 1 erstreckenden, die zwei Ausschnitte verbindenden schmalen Schlitz 15 an einer vom Benutzer abgewandten, beim Gebrauch normalerweise nicht sichtbaren Seite aufweist. In entsprechender weise hat auch das Metallrohr 14 keinen geschlossenen Querschnitt, sondern ist aus einem Metallband geformt, indem an diesem, während es ein Extrusionswerkzeug für das Profil 13 durchläuft, zunächst Randstege 16 abgewinkelt werden und der Hauptteil des Bandes, zwischen den Randstegen 16, indem er zusammen mit dem Profil 13 durch eine Extruderdüse hindurch geführt wird, rohrähnlich um das Profil 13 herumgebogen wird, wobei die Randstege 16 im Inneren des Profils die Ränder des Schlitzes 15 umgreifend, zu liegen kommen.Fig. 5 shows a section through the handle in a plane parallel to the plane of Fig. 4, extending between the end pieces 2, 3 horizontal plane. It can be seen here that the profile 13 does not have a tubular cross-section closed over its entire circumference, but has a narrow slot 15 extending in the longitudinal direction of the handle bar 1 and connecting the two cut-outs to a side which is remote from the user and not normally visible during use , Similarly, the metal pipe 14 has no closed cross-section, but is formed from a metal strip by this, while it passes through an extrusion tool for the profile 13, first edge webs 16 are angled and the main part of the tape, between the edge webs 16, by he is guided together with the profile 13 through an extruder die, is bent around the tube 13 similar to the profile, wherein the edge webs 16 in the interior of the profile, the edges of the slot 15 embracing come to rest.
Um die Biegefestigkeit des Profils 13 zu verbessern, kann dieses, wie in Fig. 5 durch einen gestrichelten Umriss angedeutet, mit einer inneren Verstärkungsrippe 17 versehen sein, die das hohle Innere des Profils 13 kreuzt. Die Rippe 17 verläuft vorzugsweise parallel zur Wirkrichtung einer normalerweise beim Öffnen und Schließen der Tür auf den Griff ausgeübten Betätigungskraft, das heißt im Wesentlichen parallel zur seitlichen Flanke 9 der Tür 8.In order to improve the bending strength of the profile 13, this can, as indicated in Fig. 5 by a dashed outline, be provided with an inner reinforcing rib 17, which intersects the hollow interior of the profile 13. The rib 17 preferably runs parallel to the effective direction of an actuating force normally exerted on the handle when opening and closing the door, that is to say essentially parallel to the lateral flank 9 of the door 8.
Weitere Verstärkungsrippen, auch in anderer Orientierung, können an der Griffstange 1 vorgesehen sein, wenn nötig.Further reinforcing ribs, also in another orientation, can be provided on the handlebar 1, if necessary.
Wenn das Profil 13 eine Verstärkungsrippe 13 aufweist, dann muss diese entweder vor dem Zusammenfügen der Griffstange 1 mit den Endstücken 2, 3 an den Enden der Griffstange 1 entfernt werden, oder die Zapfen 4 der Endstücke müssen abweichend von der Darstellung der Fig. 2 und 3, zu den Verstärkungsrippen 13 komplementäre Aussparungen aufweisen.If the profile 13 has a reinforcing rib 13, then this must either be removed before joining the handle bar 1 with the end pieces 2, 3 at the ends of the handle bar 1, or the pin 4 of the end pieces must be different from the illustration of FIGS. 2 and 3, to the reinforcing ribs 13 complementary recesses.
Bei der Ausgestaltung der Fig. 5 ist das Metallrohr 14 am Profil 13 vollflächig durch Adhäsion, die ein Ergebnis der Koextrusion sein oder durch einen zusätzlichen Klebstoff vermittelt sein kann, sowie in Höhe der Endstücke 2, 3 durch Klemmung der Randstege 16 zwischen der Innenfläche des Profils 13 und den darin eingreifenden Zapfen 4 fixiert.In the embodiment of FIG. 5, the metal tube 14 on the profile 13 over the entire surface by adhesion, which may be a result of coextrusion or mediated by an additional adhesive, and at the level of the end pieces 2, 3 by clamping the edge webs 16 between the inner surface of the Profile 13 and the pin 4 engaging therein fixed.
Fig. 6 zeigt einen zu Fig. 5 analogen Querschnitt durch die Griffstange 1 gemäß einer zweiten Ausgestaltung der Erfindung. Das Profil 13 ist auch hier im Wesentlichen rohr- förmig mit einem an einer unauffälligen, vom Benutzer abgewandten Stelle angeordneten Schlitz 15. Der Schlitz 15 reicht jedoch nicht bis in den zentralen inneren Hohlraum des Profils 13, sondern die Ränder des Schlitzes 15 sind untereinander durch eine in den Innenhohlraum des Profils 13 vorspringende flache Rippe 18 einteilig verbunden. Die Rippe 18 bettet die widerhakenartig gebogenen Randstege 16 des Metallrohrs 14 ein, die dadurch in dem Profil 13 auf seiner gesamten Länge formschlüssig verankert sind. Auch ein Zwischenraum 19 zwischen einander gegenüberliegenden Seiten der Randstege 16 kann mit dem Kunststoffmaterial des Profils 13 ausgefüllt sein, um die Verankerung der Randstege 16 zu verbessern.FIG. 6 shows a cross section analogous to FIG. 5 through the handle bar 1 according to a second embodiment of the invention. Here, too, the profile 13 is essentially tubular with a slot 15 arranged at an inconspicuous point remote from the user. However, the slot 15 does not extend into the central inner cavity of the profile 13, but rather the edges of the slot 15 pass through one another a protruding into the inner cavity of the profile 13 flat rib 18 integrally connected. The rib 18 embeds the barb-like curved edge webs 16 of the metal tube 14, which are thereby anchored positively in the profile 13 over its entire length. A gap 19 between opposite sides of the edge webs 16 may be filled with the plastic material of the profile 13 in order to improve the anchoring of the edge webs 16.
Fig. 7 zeigt eine dritte Ausgestaltung des erfindungsgemäßen Griffs wiederum in einem zu Fig. 5 analogen Schnitt. Die ins Innere des Profils vorspringende Rippe 18 ist hier entfallen, statt dessen sind die ins Innere der Griffstange 1 hinein abgewinkelten Randstege 16 so schmal, dass zwischen ihnen und dem in den Innenraum eingreifenden zylindrischen Zapfen 4 noch Platz für eine einteilige Verbindung 20 zwischen zwei Seiten des Schlitzes 15 ist; mit anderen Worten hat das Profil 13 einen geschlossenen rohrartigen Querschnitt, dessen äußerer Umfang zwei eng benachbarte hakenförmige Aussparungen oder eine T-förmige Aussparung aufweist, die die Randstege 16 des Rohrs 14 formschlüssig aufnimmt.FIG. 7 shows a third embodiment of the handle according to the invention, again in a section analogous to FIG. 5. The protruding into the interior of the profile rib 18 is omitted here, instead, the inside of the handle bar 1 in angled edge webs 16 are so narrow that between them and engaging in the interior cylindrical pin 4 still room for a one-piece connection 20 between two sides the slot 15 is; in other words, the profile 13 has a closed tubular cross-section whose outer periphery has two closely adjacent hook-shaped recesses or a T-shaped recess which receives the edge webs 16 of the tube 14 in a form-fitting manner.
Fig. 8 zeigt in Analogie zur Fig. 4 einen Schnitt durch den Griff nach der dritten Ausgestaltung in einer durch ein Endstück 2 oder 3 verlaufenden Ebene. Man erkennt hier und an der in Fig. 9 gezeigten perspektivischen Ansicht der Griffstange 1 , dass der - hier mit 21 bezeichnete - zu einem Ende der Griffstange 1 hin offene Ausschnitt, durch den sich der Arm 6 des Endstücks erstreckt und dessen Ränder in der Nut 12 des Endstücks aufgenommen sind, an nur einer Seite des Schlitzes 15 aus dem Profil 13 herausgeschnitten ist; an der anderen Seite ist der Randsteg 16 des Metallrohrs 14 unversehrt und ist auf seiner gesamten Länge in dem Profil 13 kraft- und formschlüssig verhakt.Fig. 8 shows in analogy to Fig. 4 is a section through the handle according to the third embodiment in a plane passing through an end piece 2 or 3 level. It can be seen here and on the perspective view of the handle bar 1 shown in Fig. 9, that the - here designated 21 - to one end of the handle bar 1 through cutout, through which the Arm 6 of the tail extends and whose edges are received in the groove 12 of the tail, is cut on only one side of the slot 15 from the profile 13; on the other side of the edge web 16 of the metal tube 14 is intact and is hooked over its entire length in the profile 13 non-positively and positively.
Einer weiteren, nicht gezeichneten Ausgestaltung zufolge ist die Griffstange aus einem geschlossenwandigen Metallrohr gefertigt, das versteift wird, indem in einem von dem Metallrohr und den in seine Enden eingeschobenen Endstücken 2, 3 begrenzten inneren Hohlraum ein geeignetes Kunstharzmaterial expandieren gelassen wird. According to a further, not drawn embodiment, the handle bar is made of a closed-walled metal tube which is stiffened by a suitable synthetic resin material is allowed to expand in one of the metal tube and the inserted into its ends end pieces 2, 3 limited internal cavity.

Claims

Patentansprüche claims
1. Griff für ein Gehäuse, insbesondere für ein Gehäuse eines Haushaltsgeräts, mit einer Griffstange (1 ) und zwei die Enden der Griffstange (1 ) mit dem Gehäuse (8) verbindenden Endstücken (2, 3), dadurch gekennzeichnet, dass die Griffstange1. handle for a housing, in particular for a housing of a household appliance, with a handle bar (1) and two ends of the handlebar (1) with the housing (8) connecting end pieces (2, 3), characterized in that the handle bar
(1 ) ein intern durch einen Kunststoffkörper (13) verstärktes Metallrohr (14) umfasst.(1) an internally by a plastic body (13) reinforced metal tube (14).
2. Griff nach Anspruch 1 , dadurch gekennzeichnet, dass der Kunststoffkörper (13) ein Extrusionsprofil ist.2. Handle according to claim 1, characterized in that the plastic body (13) is an extrusion profile.
3. Griff nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Kunststoffkörper (13) ein Hohlprofil ist.3. Handle according to claim 1 or 2, characterized in that the plastic body (13) is a hollow profile.
4. Griff nach Anspruch 3, dadurch gekennzeichnet, dass das Hohlprofil wenigstens eine interne Verstärkungsrippe (17) aufweist.4. Handle according to claim 3, characterized in that the hollow profile has at least one internal reinforcing rib (17).
5. Griff nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Endstücke (2, 3) einen in die Griffstange (1 ) eingreifenden Zapfen (4) tragen.5. Handle according to one of the preceding claims, characterized in that the end pieces (2, 3) in the handle bar (1) engaging pin (4) wear.
6. Griff nach Anspruch 5, dadurch gekennzeichnet, dass die Griffstange (1 ) einen zu einem ihrer Enden offenen Ausschnitt (21 ) aufweist und dass der Rand des Ausschnitts (21 ) in einer Nut (12) des Endstücks (2, 3) zumindest weitgehend verborgen ist.6. Handle according to claim 5, characterized in that the handle bar (1) has an open to one of its ends cutout (21) and that the edge of the cutout (21) in a groove (12) of the end piece (2, 3) at least is largely hidden.
7. Griff nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Endstücke (2, 3) eine Stirnplatte (5) aufweisen, die eine Stirnseite der Griffstange (1 ) zumindest weitgehend überdeckt, vorzugsweise in einer Nut aufnimmt.7. Handle according to one of the preceding claims, characterized in that the end pieces (2, 3) have a front plate (5) which covers at least a large part of an end face of the handle bar (1), preferably in a groove.
8. Griff nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Metallrohr (14) eine Wandstärke zwischen 0,25 und 0,75 mm aufweist. 8. Handle according to one of the preceding claims, characterized in that the metal tube (14) has a wall thickness between 0.25 and 0.75 mm.
9. Griff nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Metallrohr (14) durch Beschichtung des Kunststoffkörpers (13) erzeugt ist.9. Handle according to one of the preceding claims, characterized in that the metal tube (14) is produced by coating the plastic body (13).
10. Griff nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Metallrohr (14) mit dem Kunststoffkörper (13) koextrudiert ist.10. Handle according to one of the preceding claims, characterized in that the metal tube (14) with the plastic body (13) is co-extruded.
11. Griff nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Metallrohr (14) aus einem Metallband mit zur Längsachse des Kunststoffkörpers (13) parallelen Rändern geformt ist.11. Handle according to one of the preceding claims, characterized in that the metal tube (14) is formed from a metal strip with the longitudinal axis of the plastic body (13) parallel edges.
12. Griff nach Anspruch 11 , dadurch gekennzeichnet, dass an wenigstens einem12. Handle according to claim 11, characterized in that at least one
Rand des Metallbandes ein in den Kunststoffkörper (13) eingreifender Steg (16) abgewinkelt ist.Edge of the metal strip in the plastic body (13) engaging web (16) is angled.
13. Griff nach Anspruch 12, dadurch gekennzeichnet, dass der Steg (16) formschlüssig in den Kunststoffkörper (13) eingebettet ist. 13. Handle according to claim 12, characterized in that the web (16) is positively embedded in the plastic body (13).
EP10718208.1A 2009-06-03 2010-05-11 Handle for an appliance housing Active EP2437633B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910026663 DE102009026663A1 (en) 2009-06-03 2009-06-03 Handle for a device housing
PCT/EP2010/056442 WO2010139537A1 (en) 2009-06-03 2010-05-11 Handle for an appliance housing

Publications (2)

Publication Number Publication Date
EP2437633A1 true EP2437633A1 (en) 2012-04-11
EP2437633B1 EP2437633B1 (en) 2016-07-13

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ID=42358603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10718208.1A Active EP2437633B1 (en) 2009-06-03 2010-05-11 Handle for an appliance housing

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EP (1) EP2437633B1 (en)
DE (1) DE102009026663A1 (en)
PL (1) PL2437633T3 (en)
WO (1) WO2010139537A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011076697A1 (en) * 2011-05-30 2012-12-06 BSH Bosch und Siemens Hausgeräte GmbH Handle for door of household appliance e.g. oven used in food preparation, has cover plates that are provided at both ends of rod-like handle section
DE102011087757A1 (en) * 2011-12-05 2013-06-06 BSH Bosch und Siemens Hausgeräte GmbH Door handle for door of household appliance e.g. microwave oven,, has gripping blocks that are inserted into open ends of profiled handlebar
DE102011087754A1 (en) * 2011-12-05 2013-06-06 BSH Bosch und Siemens Hausgeräte GmbH Door handle secured at front of door in cooking appliance e.g. microwave oven, has grip bracket comprising support portion which is provided outside the handle section for attachment of door handle
DE102011087756A1 (en) * 2011-12-05 2013-06-06 BSH Bosch und Siemens Hausgeräte GmbH Handle for household appliance door e.g. baking oven door, has handle profile designed as tube, and handle supports made of aluminum, and designed as extruded parts or solid bodies, where supports form hollow space
DE102014216548A1 (en) * 2014-03-19 2015-09-24 BSH Hausgeräte GmbH Door for a household appliance and designed as a hybrid component cover for at least one door glass and household appliance with such a door
DE102015211246A1 (en) * 2015-06-18 2016-12-22 BSH Hausgeräte GmbH modular system
DE102018209181A1 (en) * 2018-06-08 2019-12-12 BSH Hausgeräte GmbH Door for a domestic appliance with a handle movably attached to a wall element of the door on two sides, and household appliance
US11300351B2 (en) * 2020-01-03 2022-04-12 Whirlpool Corporation Handle assembly
KR20220007291A (en) * 2020-07-10 2022-01-18 엘지전자 주식회사 Door opening device and refrigerator having this

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Publication number Priority date Publication date Assignee Title
DE19650776A1 (en) 1996-12-06 1998-06-10 Bosch Siemens Hausgeraete Door handle for a furniture door, in particular a refrigerator door
DE602004009183T2 (en) * 2003-06-30 2008-07-03 Arcelik Anonim Sirketi, Tuzla HANDLE
DE102005019982A1 (en) * 2005-04-27 2006-11-02 Basf Ag Extruded films or plates, useful as decorative or functional parts, comprises metal- or mineral- haptic and optics from a plastic mixture comprising thermoplastic polymer, particulate or fibrous inorganic filler, dispersant, and additives
KR20080034582A (en) * 2006-10-17 2008-04-22 삼성광주전자 주식회사 A handle of door for refrigerator and method thereof

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Also Published As

Publication number Publication date
WO2010139537A1 (en) 2010-12-09
PL2437633T3 (en) 2016-12-30
DE102009026663A1 (en) 2010-12-09
EP2437633B1 (en) 2016-07-13

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