EP0772409B1 - Hand-held hair dryer - Google Patents

Hand-held hair dryer Download PDF

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Publication number
EP0772409B1
EP0772409B1 EP96914185A EP96914185A EP0772409B1 EP 0772409 B1 EP0772409 B1 EP 0772409B1 EP 96914185 A EP96914185 A EP 96914185A EP 96914185 A EP96914185 A EP 96914185A EP 0772409 B1 EP0772409 B1 EP 0772409B1
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EP
European Patent Office
Prior art keywords
inner tube
hair dryer
hand
outer tube
held hair
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.)
Expired - Lifetime
Application number
EP96914185A
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German (de)
French (fr)
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EP0772409A1 (en
Inventor
Gerald Imhof
Boris Wonka
Jürgen BEHRENDT
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Braun GmbH
Original Assignee
Braun GmbH
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Publication of EP0772409A1 publication Critical patent/EP0772409A1/en
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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands

Definitions

  • the invention relates to a hand hair dryer.
  • a hair dryer is known from EP 0 463 315 A2, which has a double-walled housing has, through which a secondary air flow can be conducted.
  • This hair dryer has one Central, load-bearing component on which all other housing parts of the hair dryer are indirect or are directly attached, and is provided with a handle that around a to a longitudinal axis of the housing in an approximately vertical axis of rotation by individual angular steps is rotatable.
  • a manual hair dryer is known from DE-A 41 003 98, which measures for simultaneous Dries and straightens the hair.
  • a comb-like or brush-like Top part proposed, which on a cylindrical middle part, which also carries the heater, or on the housing surrounding the central part can be attached.
  • the object of the present invention is to provide an improved, new, user-friendly designed hair dryer to specify which is cheaper to manufacture.
  • the invention solves this problem by means of a hand hair dryer with the features of claim 1.
  • the heater By arranging the heater to heat the air flow in this inner tube it is achieved that the outer tube is nowhere from the heated air flow is flowed in and that the outer tube, the handle and other housing components with a are exposed to lower temperatures. Because these components make up a large part of the housing represent, a significant saving on material costs is advantageously achieved here.
  • a constructionally provided closure of the inner tube with the outlet opening of the outer tube or a protrusion of the inner tube relative to the outlet opening of the Outer tube is the thermal decoupling of the outer tube from the heated air flow guaranteed. Furthermore, a direct connection of the components is achieved, which with the heated air flow are in contact, namely between the inner tube and the Hair styling tool.
  • a plastic with lower temperature resistance such as polypropylene (PP) for the production of the outer tube and only for the inner tube is a plastic with higher temperature resistance, such as polyamide (PA) or polybutylene terephthalate (PBT) is required.
  • PP polypropylene
  • PA polyamide
  • PBT polybutylene terephthalate
  • a plastic can be used, which can be colored. This allows the user indicated that the inner tube is made of a different material than the surrounding outer tube.
  • Another advantage is that an outlet grille is provided directly on the inner tube and this grille can be pre-assembled on the inner tube.
  • outlet grille directly in the To arrange area of the outlet opening of the inner tube. This arrangement ensures advantageously a safe operation of the hair dryer without a user, for example can get into the hot interior of the housing.
  • outlet grille be positively closed in the inner tube attach so that the grille is held securely in the inner tube and advantageously a easy assembly of the grille in the inner tube is made possible.
  • the inner tube lies in the area of the outlet opening of the outer tube, achieved that the inner tube advantageously on the outer tube with a minimal contact surface is fixed.
  • the inner tube and the outer tube are preferably concentric arranged to each other.
  • the outer diameter of the inner tube at least in regions, the inner diameter of the Outer tube roughly corresponds.
  • the fastening means for releasable fastening are on the inner tube the hair styling tool provided.
  • the fastening means for releasable fastening are on the inner tube the hair styling tool provided.
  • locking means are provided in the inner tube, which for fastening the hair styling tool, for example with a bayonet, a clip or serve similar things. These locking means advantageously enable quick, easy and secure attachment of the tool to the hair dryer by a user.
  • a channel for example a cable routing channel, in provided substantially parallel to the main axis of the housing outside the housing.
  • the motor cables are arranged, which the Connect the fan motor to the electrical controls located in the handle.
  • This enlargement of the cross section of the housing through the channel and the housing the cable in this channel remains the free largest possible cross section of the Housing advantageously obtained.
  • this allows the outer tube of the Take the smallest possible diameter of the housing. The previously necessary annular cavity between the inner tube and the outer tube for housing the cable is thus avoided by the arrangement proposed here, the outer tube can be reduced in size with the same cross section of the inner tube and the hair dryer be trained more easily.
  • the channel run on the underside of the housing, the handle of the hair dryer is also attached to this underside, so that the motor cable in the most advantageous, shortest way between the inner tube and the electrical controls in the handle.
  • Another training provides for the channel on the air inlet and / or on the air outlet side of the housing with closable openings. These openings advantageously enable the channel to be used in a variety of ways, for example as a cable duct.
  • the handle of the hair dryer consists of several handle shells, wherein at least one grip shell, in particular the rear grip shell on its outside is crowned.
  • This spherical shape can take place in several planes, so that this grip shell allows the user an advantageous secure hold.
  • the housing be made of to produce several housing parts, the housing parts from different Materials, in particular from materials of different hardness, are made. This enables a simple and inexpensive differentiation of diverse model series similar hair dryer.
  • the handle is substantially centered between the inlet and the Outlet opening of the air-flowable outer tube arranged, which in use even weight distribution of the dryer without additional tools is achievable.
  • a housing 10 for a hand hair dryer essentially consists of a handle 12 and an air flow device arranged approximately perpendicular to the handle 12 Outer tube 14.
  • a connection cable 74 provided which opens into the handle 12 at the lower end.
  • the air-flowable outer tube 14 is on it rear end face provided with an inlet opening 16. The air entering here becomes in the flow direction 64 through the outer tube 14 to that on the front face arranged outlet opening 18 promoted.
  • An inner tube 42 is in the outer tube 14 provided which terminates with the outlet opening 18 of the outer tube 14 or the front end of the outer tube 14 around the projection 52 in the flow direction 64 surmounted.
  • the main axes 38 and 40 (Fig. 2) of the air-flowable outer tube 14 and Handle 12 intersect approximately at a right angle in front of the center of the outer tube 14.
  • An additional air filter 54 is on the inlet opening of the outer tube 14th placed.
  • the air filter 54 extends beyond the outer tube 14 in the circumferential direction and is placed like a cover on the front end of the outer tube.
  • On the A nozzle 44 is fitted in the flow direction 64 at the front end of the inner tube 42.
  • a channel 46 is arranged on the underside of the housing 48 of the outer tube 14, which is designed, for example, as a cable duct. This channel 46 extends from the rear of the handle 12 to the rear end of the outer tube 14 on the inlet side and from the front of the handle 12 to the outlet opening of the outer tube 14.
  • An An opening 50 can be provided on the end face of the channel 46.
  • the housing 10 (FIG. 3) is made from at least 3 housing parts; a front Housing part 20, a middle housing part 22 and a rear housing part 24.
  • the separating surfaces 26, 28 between the housing parts 20, 22 and 24 are essentially Arranged parallel to one another and share the outer tube 14 through which air can flow perpendicular to its flow direction 64.
  • the handle 12 becomes parallel to its main axis divided and is in a front handle 30, a rear handle 32 and a Middle part 34 divided.
  • the air-flowable housing 14 essentially has one hollow cylindrical shape and ends at its rear housing part 24 with the inlet opening 16.
  • a recess 56 is provided on its upper side. These are rectangular in plan view trained recess 56 is circumferentially on the rear Housing part 24 arranged and as a locking means for attaching an additional air filter provided with a snap or clip closure.
  • the three housing parts 20, 22, 24 as well as the nozzle 44 and the additional air filter 54 are shown in an exploded view in Fig. 4.
  • Between the middle housing part 22 and the rear housing part 24 is the inner tube 42 with the fan housing 66 arranged. Near the separators between the inner tube 42 and the fan housing 66, the motor cables 76 are led out of the inner tube 42.
  • Inner tube 42 and Fan housings 66 are preassembled as an assembly and then in the housing parts 20, 22, and 24 used.
  • the controls 36 for example an on / off switch and temperature controllers are provided in the handle part of the housing.
  • Inner tube 42 and fan housing 66 are in an enlarged view with all built-in parts shown in Fig. 5.
  • a protective grille 68 is inserted into the inner tube 42 and in the outlet opening 70 attached.
  • a heater 60 is arranged behind the grid 68 in the inner tube 42. This heater 60 is connected to a motor 58, which in turn is in the fan housing 66 is used. In the inlet end of the fan housing 66 that Fan wheel 62 inserted and connected to the drive shaft of motor 58.

Abstract

The invention is directed to a hand-held hair dryer including a housing (10) which is comprised of a handle (12) and an air-moving outer tube (14); the outer tube (14) possesses an inlet port (16) and an outlet port (18) for an air stream, and the housing accommodates a heater and a fan generating and heating the air stream. Arranged in the outer tube (14) is an inner tube (42) receiving at least the heater. In this arrangement, the inner tube (42) is manufactured from a material having a higher thermal stability than the outer tube, and the inner tube (42) terminates flush with at least the outlet port of the outer tube (14) or projects beyond the outlet port of the outer tube (14) in the direction of flow (64). A hair styling implement as, for example, a nozzle (44), a diffuser or the like, is attachable to the inner tube (42).

Description

Die Erfindung betrifft einen Handhaartrockner.The invention relates to a hand hair dryer.

Aus der EP 0 463 315 A2 ist ein Haartrockner bekannt, welcher ein doppelwandiges Gehäuse aufweist, durch das ein Nebenluftstrom leitbar ist. Dieser Haartrockner hat ein zentrales, tragendes Bauteil, an dem alle anderen Gehäuseteile des Haartrockners mittelbar oder unmittelbar befestigt sind, und ist mit einem Handgriff versehen, der um eine zu einer Gehäuselängsachse in etwa senkrechten Drehachse um einzelne Winkelschritte verdrehbar ist.A hair dryer is known from EP 0 463 315 A2, which has a double-walled housing has, through which a secondary air flow can be conducted. This hair dryer has one Central, load-bearing component on which all other housing parts of the hair dryer are indirect or are directly attached, and is provided with a handle that around a to a longitudinal axis of the housing in an approximately vertical axis of rotation by individual angular steps is rotatable.

Aus der DE-A 41 003 98 ist ein Handhaartrockner bekannt, der Maßnahmen zum gleichzeitigen Trocknen und Ausrichten der Haare versieht. Hierzu wird ein kamm- bzw. bürstenartiges Aufsatzteil vorgeschlagen, welches an einem zylindrischen Mittelteil, welcher auch die Heizvorrichtung trägt, oder am das Mittelteil umgebenden Aufnahmegehäuse befestigt werden kann.A manual hair dryer is known from DE-A 41 003 98, which measures for simultaneous Dries and straightens the hair. For this, a comb-like or brush-like Top part proposed, which on a cylindrical middle part, which also carries the heater, or on the housing surrounding the central part can be attached.

Aus dem Stand der Technik sind weiterhin Geräte bekannt, wie beispielsweise der von der Anmelderin vertriebene Haartrockner HL 2000, welcher in dem Gehäuse ein rohrförmiges tragendes Bauteil vorsieht. Dabei ist dieses als Innenrohr ausgebildete tragende Bauteil aus einem Werkstoff höherer Temperaturbeständigkeit hergestellt, als das Außenrohr. Hierdurch wurde bereits erreicht, daß für die Herstellung des Gehäuses und des Innenrohrs verschiedene Qualitäten von Kunststoffmaterialien verwendet werden konnten. Die Auslaßöffnung dieses Gehäuses wird dabei von dem Außenrohr gebildet, welches gleichzeitig ein Schutzgitter aufnimmt, so daß das Außenrohr mit der ausströmenden heißen Luft in Berührung kommt und aus einem Werkstoff, beispielsweise einem Kunststoff, mit einer Mindesttemperaturbeständigkeit hergestellt sein muß. Bei einer möglichen Verwendung eines zusätzlichen Haarformwerkzeuges, wie beispielsweise einer Düse, einem Diffusor oder ähnlichem, mit dem Haartrockner, wird das Werkzeug an der Auslaßöffnung des Außenrohres befestigt. Devices are also known from the prior art, such as that of sold by the applicant HL 2000 hair dryer, which has a tubular in the housing provides structural component. This is designed as an inner tube load-bearing Component made of a material with higher temperature resistance than the outer tube. This has already achieved that for the manufacture of the housing and Inner tube different qualities of plastic materials could be used. The outlet opening of this housing is formed by the outer tube, which at the same time takes up a protective grille, so that the outer tube with the outflowing hot air comes into contact and from a material, for example a plastic, must be made with a minimum temperature resistance. at a possible use of an additional hair styling tool, such as a nozzle, a diffuser or similar, with the hair dryer, the tool attached to the outlet opening of the outer tube.

Aufgabe der vorliegenden Erfindung ist es, einen verbesserten, neuen, benutzerfreundlicher gestalteten Haartrockner anzugeben, welcher kostengünstiger herzustellen ist.The object of the present invention is to provide an improved, new, user-friendly designed hair dryer to specify which is cheaper to manufacture.

Die Erfindung löst diese Aufgabe durch einen Handhaartrockner mit den Merkmalen des Anspruchs 1.The invention solves this problem by means of a hand hair dryer with the features of claim 1.

Durch die Anordnung der Heizung zur Erwärmung des Luftstroms in diesem Innenrohr wird erreicht, daß das Außenrohr an keiner Stelle mehr von dem erwärmten Luftstrom angeströmt wird und daß das Außenrohr, der Griff und weitere Gehäusebauteile mit einer niedrigeren Temperatur belastet sind. Da diese Bauteile einen Großteil des Gehäuses darstellen, ist hier mit Vorteil eine deutliche Einsparmöglichkeit an Materialkosten erreicht. Durch einen konstruktiv vorgesehenen Abschluß des Innenrohres mit der Auslaßöffnung des Außenrohres oder ein Überstand des Innenrohres gegenüber der Auslaßöffnung des Außenrohres ist die thermische Entkopplung des Außenrohres von dem erwärmten Luftstrom gewährleistet. Ferner wird eine direkte Verbindung der Bauteile erreicht, welche mit dem erwärmten Luftstrom in Berührung sind, nämlich zwischen dem Innenrohr und dem Haarformwerkzeug. Dies ermöglicht die Verwendung eines Kunststoffs niedrigerer Temperaturbeständigkeit, wie beispielsweise Polypropylen (PP) für die Herstellung des Außenrohres und lediglich für das Innenrohr ist ein Kunststoff mit höherer Temperaturbeständigkeit, wie beispielsweise Polyamid (PA) oder Polybutylenterephthalat (PBT) erforderlich. Vorteilhafterweise kann auch für das Innenrohr, in dem sich die Heizung befindet, ein Kunststoff verwendet werden, welcher einfärbbar ist. Damit kann dem Benutzer angezeigt werden, daß das Innenrohr aus einem anderen Werkstoff hergestellt ist als das ihn umgebende Gehäuseaußenrohr.By arranging the heater to heat the air flow in this inner tube it is achieved that the outer tube is nowhere from the heated air flow is flowed in and that the outer tube, the handle and other housing components with a are exposed to lower temperatures. Because these components make up a large part of the housing represent, a significant saving on material costs is advantageously achieved here. Through a constructionally provided closure of the inner tube with the outlet opening of the outer tube or a protrusion of the inner tube relative to the outlet opening of the Outer tube is the thermal decoupling of the outer tube from the heated air flow guaranteed. Furthermore, a direct connection of the components is achieved, which with the heated air flow are in contact, namely between the inner tube and the Hair styling tool. This enables the use of a plastic with lower temperature resistance, such as polypropylene (PP) for the production of the outer tube and only for the inner tube is a plastic with higher temperature resistance, such as polyamide (PA) or polybutylene terephthalate (PBT) is required. Advantageously, also for the inner tube in which the heater is located, a plastic can be used, which can be colored. This allows the user indicated that the inner tube is made of a different material than the surrounding outer tube.

Ein weiterer Vorteil besteht darin, daß unmittelbar an dem Innenrohr ein Auslaßgitter vorgesehen ist und dieses Gitter an dem Innenrohr vormontiert werden kann. Durch die Verwendung eines Kunststoffs mit höherer Temperaturbeständigkeit für das Innenrohr, ist somit auch die Haltbarkeit der Verbindung des Auslaßgitters in dem Innenrohr größer als bei einer Befestigung des Auslaßgitters in einem Außenrohr mit einem Kunststoff niedrigerer Temperaturbeständigkeit, bzw. Festigkeit. Another advantage is that an outlet grille is provided directly on the inner tube and this grille can be pre-assembled on the inner tube. Through the Use of a plastic with higher temperature resistance for the inner tube, the durability of the connection of the outlet grille in the inner tube is thus greater than when attaching the outlet grille in an outer tube with a plastic lower temperature resistance or strength.

In einem weiteren Ausführungsbeispiel wird vorgeschlagen, das Auslaßgitter direkt im Bereich der Auslaßöffnung des Innenrohrs anzuordnen. Diese Anordnung gewährleistet mit Vorteil einen sicheren Betrieb des Haartrockners, ohne daß ein Benutzer beispielsweise in den heißen Innenbereich des Gehäuses gelangen kann.In a further embodiment it is proposed that the outlet grille directly in the To arrange area of the outlet opening of the inner tube. This arrangement ensures advantageously a safe operation of the hair dryer without a user, for example can get into the hot interior of the housing.

Weiterhin wird vorgeschlagen, das Auslaßgitter formschlüssig in dem Innenrohr zu befestigen, so daß das Gitter sicher in dem Innenrohr gehalten wird und mit Vorteil eine einfache Montage des Gitters in dem Innenrohr ermöglicht wird.It is also proposed that the outlet grille be positively closed in the inner tube attach so that the grille is held securely in the inner tube and advantageously a easy assembly of the grille in the inner tube is made possible.

Da das Innenrohr im Bereich der Auslaßöffnung des Außenrohrs an diesem anliegt, wird erreicht, daß das Innenrohr vorteilhafterweise an dem Außenrohr mit minimaler Auflagefläche fixiert ist. Vorzugsweise sind das Innenrohr und das Außenrohr konzentrisch zueinander angeordnet.Since the inner tube lies in the area of the outlet opening of the outer tube, achieved that the inner tube advantageously on the outer tube with a minimal contact surface is fixed. The inner tube and the outer tube are preferably concentric arranged to each other.

In einer weiteren Ausführungsfom der Erfindung wird vorgeschlagen, daß der Außendurchmesser des Innenrohrs zumindest bereichsweise dem Innendurchmesser des Außenrohres in etwa entspricht. Dadurch wird zum einen eine konzentrische Anordnung des Innenrohrs in dem Außenrohr ermöglicht. Zum anderen sind die Außendurchmesser der beiden Rohre nahezu identisch, da das Außenrohr lediglich um den Betrag der Wanddicke größer ist als das Innenrohr. Somit wird vorteilhafterweise ein markanter Unterschied der Durchmesser zwischen dem Innen- und dem Außenrohr vermieden und ein größtmöglicher luftdurchströmbarer Querschnitt des Innenrohrs ermöglicht.In a further embodiment of the invention it is proposed that the outer diameter of the inner tube, at least in regions, the inner diameter of the Outer tube roughly corresponds. On the one hand, this creates a concentric arrangement of the inner tube in the outer tube. The other is the outside diameter of the two pipes almost identical, since the outer pipe is only increased by the amount of Wall thickness is larger than the inner tube. This advantageously makes it a striking one Difference in diameter between the inner and outer tubes avoided and the largest possible air-permeable cross section of the inner tube enables.

In einer Weiterbildung sind an dem Innenrohr die Befestigungsmittel zur lösbaren Befestigung des Haarformwerkzeuges vorgesehen. Durch diese Direktbefestigung des Werkzeugs an dem Innenrohr wird erreicht, daß auf das Außenrohr keine Kräfte durch die Aufnahme eines Haarformwerkzeuges einwirken und daß das Außenrohr somit vorteilhafterweise aus einem Werkstoff mit geringerer Festigkeit hergestellt werden kann als das Innenrohr.In one development, the fastening means for releasable fastening are on the inner tube the hair styling tool provided. Through this direct attachment of the Tool on the inner tube ensures that no forces are exerted on the outer tube act on the inclusion of a hair styling tool and that the outer tube thus advantageously be made from a material with lower strength can than the inner tube.

Vorteilhafterweise sind in dem Innenrohr Rastmittel vorgesehen, welche zur Befestigung des Haarformwerkzeugs, beispielsweise mit einem Bajonett-, einem Klipsverschluß oder ähnlichem dienen. Diese Rastmittel ermöglichen mit Vorteil die schnelle, einfache und sichere Befestigung des Werkzeugs durch einen Benutzer an dem Haartrockner. Advantageously, locking means are provided in the inner tube, which for fastening the hair styling tool, for example with a bayonet, a clip or serve similar things. These locking means advantageously enable quick, easy and secure attachment of the tool to the hair dryer by a user.

Bei einer vorteilhaften Weiterbildung der Erfindung, welche auch eine eigenständige Erfindung darstellen kann, ist ein Kanal, beispielsweise ein Kabelführungskanal, im wesentlichen parallel zur Hauptachse des Gehäuses außen den dem Gehäuse vorgesehen. In diesem Kanal werden beispielsweise die Motorkabel angeordnet, welche den Lüftermotor mit den im Griff angeordneten elektrischen Bedienelementen verbinden. Durch diese Querschnittsvergrößerung des Gehäuses durch den Kanal und die Unterbringung der Kabel in diesem Kanal bleibt der freie größtmögliche Querschnitt des Gehäuses vorteilhafterweise erhalten. Dadurch kann andererseits das Außenrohr des Gehäuses einen kleinstmöglichen Durchmesser einnehmen. Der bislang notwendige ringförmige Hohlraum zwischen dem Innenrohr und dem Außenrohr zur Unterbringung der Kabel wird durch die hier vorgeschlagene Anordnung somit vermieden, das Außenrohr kann bei gleichbleibendem Querschnitt des Innenrohrs verkleinert und der Haartrockner handlicher ausgebildet werden.In an advantageous development of the invention, which is also an independent Can represent invention is a channel, for example a cable routing channel, in provided substantially parallel to the main axis of the housing outside the housing. In this channel, for example, the motor cables are arranged, which the Connect the fan motor to the electrical controls located in the handle. This enlargement of the cross section of the housing through the channel and the housing the cable in this channel remains the free largest possible cross section of the Housing advantageously obtained. On the other hand, this allows the outer tube of the Take the smallest possible diameter of the housing. The previously necessary annular cavity between the inner tube and the outer tube for housing the cable is thus avoided by the arrangement proposed here, the outer tube can be reduced in size with the same cross section of the inner tube and the hair dryer be trained more easily.

Es wird weiterhin vorgeschlagen, daß der Kanal an der Unterseite des Gehäuses verläuft, wobei auch der Griff des Haartrockners an dieser Unterseite befestigt ist, so daß die Motorkabel auf dem vorteilhaftesten, kürzesten Weg zwischen dem Innenrohr und den in dem Griff befindlichen elektrischen Bedienteilen verläuft.It is further proposed that the channel run on the underside of the housing, the handle of the hair dryer is also attached to this underside, so that the motor cable in the most advantageous, shortest way between the inner tube and the electrical controls in the handle.

Eine weitere Ausbildung sieht vor, den Kanal an der Lufteinlaß- und/oder an der Luftauslaßseite des Gehäuses mit verschließbaren Öffnungen zu versehen. Diese Öffnungen ermöglichen vorteilhafterweise eine vielfältige Verwendungsmöglichkeit des Kanals, beispielsweise als Kabelkanal.Another training provides for the channel on the air inlet and / or on the air outlet side of the housing with closable openings. These openings advantageously enable the channel to be used in a variety of ways, for example as a cable duct.

In einer Weiterbildung besteht der Griff des Haartrockners aus mehreren Griffschalen, wobei wenigstens eine Griffschale, insbesondere die hintere Griffschale auf ihrer Außenseite ballig geformt ist. Diese ballige Ausformung kann in mehreren Ebenen erfolgen, so daß diese Griffschale dem Benutzer einen vorteilhaften sicheren Halt ermöglicht.In a further development, the handle of the hair dryer consists of several handle shells, wherein at least one grip shell, in particular the rear grip shell on its outside is crowned. This spherical shape can take place in several planes, so that this grip shell allows the user an advantageous secure hold.

In einer weiteren Ausbildung der Erfindung wird vorgeschlagen, das Gehäuse aus mehreren Gehäuseteilen herzustellen, wobei die Gehäuseteile aus unterschiedlichen Werkstoffen, insbesondere aus Werkstoffen unterschiedlicher Härte, hergestellt sind. Dies ermöglicht eine einfache und kostengünstige Unterscheidung vielfältiger Modellreihen ähnlicher Haartrockner. In a further embodiment of the invention, it is proposed that the housing be made of to produce several housing parts, the housing parts from different Materials, in particular from materials of different hardness, are made. This enables a simple and inexpensive differentiation of diverse model series similar hair dryer.

Vorteilhafterweise ist der Griff im wesentlichen mittig zwischen der Einlaß- und der Auslaßöffnung des luftdurchströmbaren Außenrohres angeordnet, wodurch beim Gebrauch des Trockners ohne Zusatzwerkzeug eine gleichmäßige Gewichtsverteilung erreichbar ist.Advantageously, the handle is substantially centered between the inlet and the Outlet opening of the air-flowable outer tube arranged, which in use even weight distribution of the dryer without additional tools is achievable.

Weitere Merkmale, Vorteile und Anwendungsmöglichkeiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen, die in der Zeichnung näher dargestellt sind. Dabei bilden alle beschriebenen und/oder dargestellten Merkmale für sich oder in beliebiger Kombination den Gegenstand der Erfindung, unabhängig von ihrer Zusammenfassung in den Ansprüchen und deren Rückbeziehung.Further features, advantages and possible uses of the invention result from the following description of exemplary embodiments in the drawing are shown in more detail. All the features described and / or shown form alone or in any combination, the subject of the invention, regardless of their combination in the claims and their relationship.

Es zeigen:

Fig. 1
einen erfindungsgemäßen Handhaartrockner in der Seitenansicht,
Fig. 2
einen Handhaartrockner gemäß Fig. 1, jedoch mit einer Düse und einem zusätzlichen Luftfilter in der Seitenansicht,
Fig. 3
drei Gehäuseteile für einen Handhaartrockner in Explosionsdarstellung,
Fig. 4
einen erfindungsgemäßen Handhaartrockner mit seinen wesentlichen Bauteilen als Explosionszeichnung in verkleinerter Darstellung und
Fig. 5
ein Innenrohr und ein Lüftergehäuse mit den wesentlichen darin angeordneten Bauteilen in Explosionsdarstellung.
Show it:
Fig. 1
a hand hair dryer according to the invention in side view,
Fig. 2
1, but with a nozzle and an additional air filter in a side view,
Fig. 3
three housing parts for a hand hair dryer in an exploded view,
Fig. 4
a hand hair dryer according to the invention with its essential components as an exploded view in a reduced representation and
Fig. 5
an inner tube and a fan housing with the essential components arranged therein in an exploded view.

Ein Gehäuse 10 für einen Handhaartrockner besteht im wesentlichen aus einem Griff 12 sowie einem in etwa senkrecht zu dem Griff 12 angeordneten luftdurchströmbaren Außenrohr 14. Zur elektrischen Verbindung des Haartrockners ist ein Anschlußkabel 74 vorgesehen, welches am unteren stirnseitigen Ende in den Griff 12 einmündet. Auf der Vorderseite des Griffs 12 sind Bedienelemente 36, beispielsweise Ein-/Aus- und Temperaturwählschalter vorgesehen. Das luftdurchströmbare Außenrohr 14 ist an seiner hinteren Stirnseite mit einer Einlaßöffnung 16 versehen. Die hier eintretende Luft wird in Strömungsrichtung 64 durch das Außenrohr 14 zu der auf der vorderen Stirnseite angeordneten Auslaßöffnung 18 gefördert. In dem Außenrohr 14 ist ein Innenrohr 42 vorgesehen, welches mit der Auslaßöffnung 18 des Außenrohres 14 abschließt oder die vordere Stirnseite des Außenrohrs 14 um den Überstand 52 in Strömungsrichtung 64 überragt.A housing 10 for a hand hair dryer essentially consists of a handle 12 and an air flow device arranged approximately perpendicular to the handle 12 Outer tube 14. For the electrical connection of the hair dryer is a connection cable 74 provided which opens into the handle 12 at the lower end. On the Operating elements 36, for example on / off and temperature selection switches, are on the front of the handle 12 intended. The air-flowable outer tube 14 is on it rear end face provided with an inlet opening 16. The air entering here becomes in the flow direction 64 through the outer tube 14 to that on the front face arranged outlet opening 18 promoted. An inner tube 42 is in the outer tube 14 provided which terminates with the outlet opening 18 of the outer tube 14 or the front end of the outer tube 14 around the projection 52 in the flow direction 64 surmounted.

Die Hauptachsen 38 und 40 (Fig. 2) des luftdurchströmbaren Außenrohrs 14 und des Griffs 12 schneiden sich in etwa unter einem rechten Winkel vor der Mitte des Außenrohres 14. Ein zusätzlicher Luftfilter 54 ist auf die Einlaßöffnung des Außenrohres 14 aufgesetzt. Der Luftfilter 54 überragt das Außenrohr 14 in Umfangsrichtung und ist nach Art eines Deckels auf das stirnseitige Ende des Außenrohres aufgesetzt. Auf das in Strömungsrichtung 64 vordere Ende des Innenrohrs 42 ist eine Düse 44 aufgesetzt. Auf der Gehäuseunterseite 48 des Außenrohres 14 ist ein Kanal 46 angeordnet, welcher beispielsweise als Kabelführungskanal ausgebildet ist. Dieser Kanal 46 erstreckt sich von der Rückseite des Griffs 12 bis zum einlaßseitigen hinteren Ende des Außenrohrs 14 sowie von der Vorderseite des Griffs 12 bis zur Auslaßöffnung des Außenrohres 14. An der Stirnseite des Kanals 46 kann eine Öffnung 50 vorgesehen sein.The main axes 38 and 40 (Fig. 2) of the air-flowable outer tube 14 and Handle 12 intersect approximately at a right angle in front of the center of the outer tube 14. An additional air filter 54 is on the inlet opening of the outer tube 14th placed. The air filter 54 extends beyond the outer tube 14 in the circumferential direction and is placed like a cover on the front end of the outer tube. On the A nozzle 44 is fitted in the flow direction 64 at the front end of the inner tube 42. A channel 46 is arranged on the underside of the housing 48 of the outer tube 14, which is designed, for example, as a cable duct. This channel 46 extends from the rear of the handle 12 to the rear end of the outer tube 14 on the inlet side and from the front of the handle 12 to the outlet opening of the outer tube 14. An An opening 50 can be provided on the end face of the channel 46.

Das Gehäuse 10 (Fig. 3) ist aus wenigstens 3 Gehäuseteilen hergestellt; einem vorderen Gehäuseteil 20, einem mittleren Gehäuseteil 22 sowie einem hinteren Gehäuseteil 24. Die Trennflächen 26, 28 zwischen den Gehäuseteilen 20, 22 und 24 sind im wesentlichen parallel zueinander angeordnet und teilen das luftdurchströmbare Außenrohr 14 senkrecht zu seiner Strömungsrichtung 64. Der Griff 12 wird parallel zu seiner Hauptachse geteilt und ist in eine vordere Griffschale 30, eine hintere Griffschale 32 sowie ein Mittelteil 34 unterteilt. Das luftdurchströmbare Gehäuse 14 hat eine im wesentlichen hohlzylindrische Form und endet an seinem hinteren Gehäuseteil 24 mit der Einlaßöffnung 16. Auf der glatten, geschlossenen Außenfläche des hinteren Gehäuseteil 24 ist auf seiner Oberseite eine Ausnehmung 56 vorgesehen. Diese in der Draufsicht rechteckförmig ausgebildete Ausnehmung 56 ist in Umfangsrichtung auf dem hinteren Gehäuseteil 24 angeordnet und als Rastmittel zur Befestigung eines zusätzlichen Luftfilters mit einem Schnapp- oder Klippverschluß vorgesehen.The housing 10 (FIG. 3) is made from at least 3 housing parts; a front Housing part 20, a middle housing part 22 and a rear housing part 24. The separating surfaces 26, 28 between the housing parts 20, 22 and 24 are essentially Arranged parallel to one another and share the outer tube 14 through which air can flow perpendicular to its flow direction 64. The handle 12 becomes parallel to its main axis divided and is in a front handle 30, a rear handle 32 and a Middle part 34 divided. The air-flowable housing 14 essentially has one hollow cylindrical shape and ends at its rear housing part 24 with the inlet opening 16. On the smooth, closed outer surface of the rear housing part 24 is A recess 56 is provided on its upper side. These are rectangular in plan view trained recess 56 is circumferentially on the rear Housing part 24 arranged and as a locking means for attaching an additional air filter provided with a snap or clip closure.

Die drei Gehäuseteile 20, 22, 24 sowie die Düse 44 und der zusätzliche Luftfilter 54 sind in Explosionsdarstellung in Fig. 4 gezeigt. Zwischen dem mittleren Gehäuseteil 22 und dem hinteren Gehäuseteil 24 ist das Innenrohr 42 mit dem Lüftergehäuse 66 angeordnet. Nahe der Trennsteile zwischen dem Innenrohr 42 und dem Lüftergehäuse 66 sind die Motorkabel 76 aus dem Innenrohr 42 herausgeführt. Innenrohr 42 und Lüftergehäuse 66 werden als Baugruppe vormontiert und anschließend in die Gehäuseteile 20, 22, und 24 eingesetzt. Die Bedienelemente 36, beispielsweise ein Ein-/Ausschalter und Temperaturregler sind in dem Griffteil des Gehäuses vorgesehen.The three housing parts 20, 22, 24 as well as the nozzle 44 and the additional air filter 54 are shown in an exploded view in Fig. 4. Between the middle housing part 22 and the rear housing part 24 is the inner tube 42 with the fan housing 66 arranged. Near the separators between the inner tube 42 and the fan housing 66, the motor cables 76 are led out of the inner tube 42. Inner tube 42 and Fan housings 66 are preassembled as an assembly and then in the housing parts 20, 22, and 24 used. The controls 36, for example an on / off switch and temperature controllers are provided in the handle part of the housing.

Innenrohr 42 und Lüftergehäuse 66 sind in vergrößerter Darstellung mit allen Einbauteilen in Fig. 5 gezeigt. Ein Schutzgitter 68 wird in das Innenrohr 42 eingesetzt und in der Auslaßöffnung 70 befestigt. Vor dem Gitter 68 sind in dem Innenrohr 42 Rastmittel 72 zur möglichen Befestigung eines Haarformwerkzeugs, beispielsweise einer Düse 44, vorgesehen. Hinter dem Gitter 68 ist in dem Innenrohr 42 eine Heizung 60 angeordnet. Diese Heizung 60 ist mit einem Motor 58 verbunden, welcher wiederum in das Lüftergehäuse 66 eingesetzt ist. In das einlaßseitige Ende des Lüftergehäuses 66 wird das Lüfterrad 62 eingeseetzt und mit der Antriebswelle des Motors 58 verbunden.Inner tube 42 and fan housing 66 are in an enlarged view with all built-in parts shown in Fig. 5. A protective grille 68 is inserted into the inner tube 42 and in the outlet opening 70 attached. In front of the grating 68 there are locking means in the inner tube 42 72 for possible attachment of a hair styling tool, for example a nozzle 44, intended. A heater 60 is arranged behind the grid 68 in the inner tube 42. This heater 60 is connected to a motor 58, which in turn is in the fan housing 66 is used. In the inlet end of the fan housing 66 that Fan wheel 62 inserted and connected to the drive shaft of motor 58.

Claims (14)

  1. A hand-held hair dryer with a housing (10) which includes devices (58, 60, 62) for generating and heating an air stream and is comprised of a handle (12) and an outer tube (14), provision being made in the interior of the outer tube (14) for an air-moving inner tube (42) which accommodates at least the device (60) for heating the air stream and has an inlet port (16) and an outlet port (18) for the air stream, characterized in that the inner tube (42) is manufactured from a material of higher thermal stability and strength than the outer tube (14), that the inner tube (42) projects beyond the outlet port (18) of the outer tube (14) in the direction of flow (64), and that inside the inner tube (42) provision is made for latching elements (72) for latching with a hair styling implement as, for example, a nozzle (44), a diffuser or the like attachable to the inner tube (42).
  2. The hand-held hair dryer as claimed in claim 1, characterized in that an outlet screen (68) is provided on the inner tube (42).
  3. The hand-held hair dryer as claimed in claim 1 or 2, characterized in that the outlet screen (68) is arranged in the area of the outlet port (70) of the inner tube (42).
  4. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that the outlet screen (68) is secured to the inner tube (42) by positive engagement therewith.
  5. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that the inner tube (42) engages the outer tube (14) in the area of the outlet port (18).
  6. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that the outside diameter of the inner tube (42) corresponds at least in some areas approximately to the inside diameter of the outer tube (14).
  7. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that fastening elements for releasable attachment of the hair styling implement (44) are provided on the inner tube (42).
  8. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that the inner tube (42) is provided with latching elements (72), for example, for a bayonet-type connector, a clip lock mechanism or the like.
  9. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that a channel (46), for example, a cable duct, is provided on the outside of the housing (10) essentially parallel to the main axis (38).
  10. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that the channel (46) extends along the underside of the housing (10) to which also the handle (12) is fastened.
  11. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that the channel (46) is provided with closable openings (50) at the air inlet (16) and/or air outlet end (18) of the housing (10).
  12. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that at least one handle shell, in particular the rear shell (32), is of a spherical configuration on its outside.
  13. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that the housing portions (20, 22, 24) are manufactured of different materials, in particular of materials of different hardness.
  14. The hand-held hair dryer as claimed in any one of the preceding claims, characterized in that the handle (12) is arranged substantially centrally between the outlet port (18) and the inlet port (16) of the air-moving outer tube (14).
EP96914185A 1995-05-23 1996-05-09 Hand-held hair dryer Expired - Lifetime EP0772409B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19518812 1995-05-23
DE19518812 1995-05-23
PCT/EP1996/001944 WO1996037125A1 (en) 1995-05-23 1996-05-09 Hand-held hair dryer

Publications (2)

Publication Number Publication Date
EP0772409A1 EP0772409A1 (en) 1997-05-14
EP0772409B1 true EP0772409B1 (en) 2002-04-03

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Family Applications (1)

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EP96914185A Expired - Lifetime EP0772409B1 (en) 1995-05-23 1996-05-09 Hand-held hair dryer

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US (1) US5701681A (en)
EP (1) EP0772409B1 (en)
AT (1) ATE215325T1 (en)
AU (1) AU5763996A (en)
DE (1) DE59608996D1 (en)
WO (1) WO1996037125A1 (en)

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Also Published As

Publication number Publication date
DE59608996D1 (en) 2002-05-08
ATE215325T1 (en) 2002-04-15
EP0772409A1 (en) 1997-05-14
US5701681A (en) 1997-12-30
WO1996037125A1 (en) 1996-11-28
AU5763996A (en) 1996-12-11

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