EP0413959B1 - Electrical hair-dryer - Google Patents
Electrical hair-dryer Download PDFInfo
- Publication number
- EP0413959B1 EP0413959B1 EP90113735A EP90113735A EP0413959B1 EP 0413959 B1 EP0413959 B1 EP 0413959B1 EP 90113735 A EP90113735 A EP 90113735A EP 90113735 A EP90113735 A EP 90113735A EP 0413959 B1 EP0413959 B1 EP 0413959B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shell
- shells
- handle
- hair drier
- drier according
- 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
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Classifications
-
- 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 an electric hair dryer with a receiving housing for a blower motor and a blower wheel and a heating coil made of resistance wire, the handle of which receives a switching element for the operating stages and off for blower motor and heating winding and in which the receiving housing has two pot-shaped shells connected to one another by means of clamping means is formed with passage openings for the blower air and one molded grip shell in the edge region of the open sides of the shells, the shells and the grip shells being placed on top of one another with the edge surfaces of the open sides.
- the receptacle housing formed by pot-shaped shells and grip shells accommodates an annular quartz tube as a heating element.
- the quartz tube is attached to a reflector that is firmly connected to a housing shell that also supports the blower motor.
- the electrical hair dryer thus formed requires a large amount of construction work due to individual fastening of the components, there is also a difficult interchangeability of the separately and independently kept components for repairs.
- the additional attachment of the switching means for the blower and heating element to a handle shell proves to be cumbersome.
- this object has found a solution in that a cylindrical middle part is enclosed with a web extending into the grip shells between the shells and that the middle part has a discharge grille which is firmly connected to the latter and carries the blower motor with impeller and the heating winding.
- the middle part thus forms a common support for the blower and heating element as well as the switching means, which as a unit can be inserted and held in the housing and handle shells with little assembly effort or can be removed for replacement processes.
- the cylindrical middle part with its outlet grille passes through a recess in the front shell and projects forward over this with a partial length, so that the shell and middle part can be supported on one another to stabilize the receiving housing.
- the web of the middle part receives the switching element for the operating stages and off, the actuating element of which is expediently led out of the rear grip shell via an opening.
- the hair dryer it is provided for the connection of the shells that at least one hook part which undercuts an undercut of the other cup-shaped bowl is formed on one of the cup-shaped bowl and that both bowls can be detachably fixed to one another by the hook part and by additional screw connections arranged in the area of the grip plates.
- at least one shell in the inner surface has centering pins protruding beyond the common parting plane for the respective other shell.
- the rear shell has a blower air inlet opening that extends approximately over the entire cross section thereof and that this blower air inlet opening is overlapped by an air inlet grille formed on the shell.
- the air inlet grille is preferably formed by transverse and longitudinal bars which are integrally formed with one another.
- 1 and 2 are cup-shaped shells, which form the receiving housing for a cylindrical middle part 3, which in the exemplary embodiment receives the fan motor 4 with fan wheel 5 and a heating winding 6.
- gripping shells 7, 8 directed obliquely downwards and forwards, which together hold a shaped piece 9 with an eyelet 10 and a cable entry 11.
- the shells 1, 2 and the grip shells 7, 8 are formed in the exemplary embodiment from plastic, which have a groove 12 or tongue 13 in the area of their common parting plane.
- a hook part 14 is molded onto the shell 1 and engages in a recess 15 in the shell 2 when the housing parts 2 are joined together.
- the handle shell 7 has support lugs 16 which serve to receive threaded screws (not shown) which can be introduced into recesses 17 in the handle shell 8.
- the front shell 1 is further provided with an opening 18 which is penetrated through the front end of the middle part 3 when the hair dryer is being assembled. Furthermore, the rear shell 2 has an inlet air opening 19, over which an air inlet grille 20 (FIG. 3) formed by webs 20 'and 20' extends.
- the air inlet grille 20 is made in one piece with the shell 2. 21 means centering pins, while 22 support lugs form for the middle part 3.
- the central part 3 as shown in FIGS. 2 and 6 in particular, has at the air outlet end a number of cylinders 23 which are coaxially spaced from one another and are connected to one another by webs 24.
- the blow-out grille formed by the cylinders 23 and webs 24 carries the blower motor 4 with its blower wheel 5 and the heating winding support 25.
- the blower motor 4 is designed as a slow-running blower motor, as a result of which a low-impact, smooth exhaust air flow leaves the blow-out grille 23, 24.
- a web 26 is arranged in which the switching element 27 for the blower motor and heating winding is accommodated.
- the switching element 27 is adjustable by an actuating element 28, which can be detected via a recess 29 in the grip shell 8, in the operating stages or off.
Landscapes
- Cleaning And Drying Hair (AREA)
Description
Die Erfindung betrifft einen elektrischen Haartrockner mit einem einen Handgriff aufweisenden Aufnahmegehäuse für einen Gebläsemotor und ein Gebläserad sowie eine Heizwicklung aus Widerstandsdraht, dessen Handgriff ein Schaltglied für die Betriebsstufen und Aus für Gebläsemotor und Heizwicklung aufnimmt und bei dem das Aufnahmegehäuse Zwei mittels Klemmitteln miteinander verbundene topfförmige Schalen mit Durchlaßöffnungen für die Gebläseluft und je einer im Randbereich der Offenseiten der Schalen angeformten Griffschale gebildet ist, wobei die Schalen und die Griffschalen mit den Randflächen der Offenseiten aufeinandergelegt sind.The invention relates to an electric hair dryer with a receiving housing for a blower motor and a blower wheel and a heating coil made of resistance wire, the handle of which receives a switching element for the operating stages and off for blower motor and heating winding and in which the receiving housing has two pot-shaped shells connected to one another by means of clamping means is formed with passage openings for the blower air and one molded grip shell in the edge region of the open sides of the shells, the shells and the grip shells being placed on top of one another with the edge surfaces of the open sides.
Bei einem bekannten elektrischen Haartrockner ( US PS 43 95 619) nimmt das durch topfförmige Schalen und Griffschalen gebildete Aufnahmegehäuse eine ringförmige Quarzröhre als Heizelement auf. Die Quarzröhre ist an einem Reflektor festgelegt, der mit einer Gehäuse-schale fest verbunden ist, die auch den Gebläsemotor trägt. Abgesehen davon, daß durch Einzelbefestigung der Bauelemente der so gebildete elektrische Haartrockner einen hohen Bauaufwand erforderlich macht, ist auch eine schwierige Austauschbarkeit der getrennt und unabhängig gehaltenen Bauelemente zu Reparaturen gegeben. Außerdem erweist sich die zusätzliche Befestigung der Schaltmittel für Gebläse und Heizelement an einer Griffschale als umständlich.In a known electric hair dryer (US Pat. No. 4,395,619), the receptacle housing formed by pot-shaped shells and grip shells accommodates an annular quartz tube as a heating element. The quartz tube is attached to a reflector that is firmly connected to a housing shell that also supports the blower motor. In addition to the fact that the electrical hair dryer thus formed requires a large amount of construction work due to individual fastening of the components, there is also a difficult interchangeability of the separately and independently kept components for repairs. In addition, the additional attachment of the switching means for the blower and heating element to a handle shell proves to be cumbersome.
Es ist Aufgabe der Erfindung bei einem Haartrockner obiger Gattung Maßnahmen zur Verringerung des Bauaufwands und zur einfachen sicheren Auswechselbarkeit der Bauelemente zu schaffen.It is an object of the invention to provide measures for reducing the construction effort and for simple, safe interchangeability of the components in a hairdryer of the above type.
Der Erfindung gemäß hat diese Aufgabe dadurch eine Lösung gefunden, daß zwischen den Schalen ein zylindrisches Mittelteil mit einem in die Griffschalen sich erstreckenden Steg eingeschlossen ist und daß das Mittelteil ein mit diesem fest verbundenes Ausblasgitter aufweist, welches den Gebläsemotor mit Gebläserad und die Heizwicklung trägt. Das Mittelteil bildet so einen gemeinsamen Träger für das Gebläse und Heizelement sowie den Schaltmitteln, der als Einheit in die Gehäuse- und Griffschalen mit geringem Montageaufwand einbring- und haltbar bzw. zu Auswechselvorgängen entfernbar ist. Bevorzugt durchgreift das zylindrische Mittelteil mit seinem Ausblasgitter eine Ausnehmung der vorderseitigen Schale und überragt diese nach vorne mit einer Teillänge, so daß sich zur Stabilisierung des Aufnahmegehäuses Schale und Mittelteil aufeinander abstützen können. Außerdem ist vorgesehen, daß der Steg des Mittelteils das Schaltglied für die Betriebsstufen und Aus aufnimmt, dessen Betätigungselement zweckmäßig über eine öffnung aus der rückseitigen Griffschale herausgeführt ist.According to the invention, this object has found a solution in that a cylindrical middle part is enclosed with a web extending into the grip shells between the shells and that the middle part has a discharge grille which is firmly connected to the latter and carries the blower motor with impeller and the heating winding. The middle part thus forms a common support for the blower and heating element as well as the switching means, which as a unit can be inserted and held in the housing and handle shells with little assembly effort or can be removed for replacement processes. Preferably, the cylindrical middle part with its outlet grille passes through a recess in the front shell and projects forward over this with a partial length, so that the shell and middle part can be supported on one another to stabilize the receiving housing. In addition, it is provided that the web of the middle part receives the switching element for the operating stages and off, the actuating element of which is expediently led out of the rear grip shell via an opening.
In Weiterbildung des Haartrockners ist zur Verbindung der Schalen vorgesehen, daß an einer der topfförmigen Schale mindestens ein eine Hinterschneidung der anderen topfförmigen Schale hinterfassender Hakenteil ausgebildet ist und daß beide Schalen durch den Hakenteil und durch zusätzlich im Bereich der Griffschalen angeordnete Schraubverbindungen aneinander abnehmbar festlegbar sind. Zweckmäßig ist zu Zentrierungen beider Schalen noch vorgesehen, daß mindestens eine Schale in der inneren Oberfläche über die gemeinsame Trennungsebene vorstehende Zentrierzapfen für die jeweils andere Schale aufweist. Zur weiteren Förderung der Stabilität des Aufnahmegehäuses wird schließlich noch vorgeschlagen, daß die rückseitige Schale eine sich annähernd über den ganzen Querschnitt derselben erstreckende Gebläselufteinlaßöffnung aufweist und daß diese Gebläselufteinlaßöffnung durch ein an der Schale angeformtes Lufteinlaßgitter übergriffen ist. Das Lufteinlaßgitter ist bevorzugt durch Quer- und Längsstäbe gebildet die einstückig miteinander ausgeformt sind.In a further development of the hair dryer, it is provided for the connection of the shells that at least one hook part which undercuts an undercut of the other cup-shaped bowl is formed on one of the cup-shaped bowl and that both bowls can be detachably fixed to one another by the hook part and by additional screw connections arranged in the area of the grip plates. For centering both shells, it is expediently provided that at least one shell in the inner surface has centering pins protruding beyond the common parting plane for the respective other shell. To further promote the stability of the receiving housing, it is finally proposed that the rear shell has a blower air inlet opening that extends approximately over the entire cross section thereof and that this blower air inlet opening is overlapped by an air inlet grille formed on the shell. The air inlet grille is preferably formed by transverse and longitudinal bars which are integrally formed with one another.
Eine verbesserte und erleichterte Halterung des Haartrockners ist fernerhin dadurch erzielbar, daß die Griffschalen schräg mit stumpfen Winkeln an den topfförmigen Schalen angeordnet sind. Es besteht so die Möglichkeit den durch die beiden Griffschalen gebildeten Griff schräg nach unten vorne durch die Hand des Benutzers zu halten, während der das Gebläse aufnehmende Gehäuseteil eine senkrechte Stellung einnimmt,An improved and easier mounting of the hair dryer can also be achieved in that the handle scales are arranged obliquely at obtuse angles on the pot-shaped shells. There is thus the possibility of the one formed by the two handle shells Hold the handle diagonally downwards at the front by the user's hand, while the housing part accommodating the blower assumes a vertical position,
Die Erfindung ist anhand eines Ausführungsbeispiels in der Zeichnung verdeutlicht Es zeigen:
- Fig. 1
- einen Haartrockner in Seitenansicht,
- Fig. 2
- einen Haartrockner in Vorderansicht,
- Fig. 3
- einen Haartrockner in Rückansicht,
- Fig. 4
- ein Teilstück eines Haartrockners in Seitenansicht,
- Fig. 5
- ein weiteres Teilstück eines Haartrockners in Seitenansicht und
- Fig. 6
- einen Mittelteil in Seitenansicht.
- Fig. 1
- a hair dryer in side view,
- Fig. 2
- a hair dryer in front view,
- Fig. 3
- a rear view hairdryer,
- Fig. 4
- a part of a hair dryer in side view,
- Fig. 5
- another section of a hair dryer in side view and
- Fig. 6
- a middle part in side view.
In den Figuren sind mit 1 und 2 topfförmige Schalen bezeichnet, die daß Aufnahmegehäuse für einen zylindrischen Mittelteil 3 bilden, der beim Ausführungsbeispiel den Gebläsemotor 4 mit Gebläserad 5und eine Heizwicklung 6 aufnimmt. An den Randbereich der Schalen 1 und 2 schließen sich mit stumpfen Winkeln schräg nach unten und vorne gerichtete Griffschalen 7, 8 an, die gemeinsam ein Formstück 9 mit einer Ringöse 10 und einer Kabeleinführung 11 halten. Die Schalen 1, 2 sowie die Griffschalen 7, 8 sind beim Ausführungsbeispiel aus Kunststoff gebildet, die im Bereich ihrer gemeinsamen Trennungsebene eine Nut 12 bzw. Feder 13 aufweisen. An der Schale 1 ist ein Hakenteil 14 angeformt, der in eine Ausnehmung 15 der Schale 2 beim Zusammenfügen der Gehäuseteile 2 eingreift. Die Griffschale 7 weist Stützansätze 16 auf, die der Aufnahme von Gewindeschrauben (nicht gezeigt) dienen, die in Ausnehmungen 17 der Griffschale 8 einbringbar sind.In the figures, 1 and 2 are cup-shaped shells, which form the receiving housing for a cylindrical middle part 3, which in the exemplary embodiment receives the
Die vordere Schale 1 ist weiter mit einer Öffnung 18 versehen, die beim Zusammenbau des Haartrockners durch das vordere Ende des Mittelteils 3 durchgriffen ist. Fernerhin weist die rückwärtige Schale 2 eine Zuluftöffnung 19 auf, über die sich ein durch Stege 20′ und 20˝ gebildetes Lufteinlaßgitter 20 (Fig. 3) erstreckt Das Lufteinlaßgitter 20 ist mit der Schale 2 einstückig ausgeführt Mit 21 sind Zentrierzapfen bezeichnet, während 22 Stützansätze für den Mittelteil 3 bilden.The
Der Mittelteil 3 weist, wie insbesondere die Fig. 2 und 6 zeigt am luftaustrittsseitigen Ende eine Anzahl im Abstand koaxial zueinander ausgebildete Zylinder 23 auf, die durch Stege 24 miteinander verbunden sind. Das durch die Zylinder 23 und Stege 24 gebildete Ausblasgitter trägt den Gebläsemotor 4 mit seinen Gebläserad 5 und den Heizwicklungsträger 25. Der Gebläsemotor 4 ist als langsamlaufender Gebläsemotor ausgebildet, wodurch eine stoßarme, weiche Abluftströmung das Ausblasgitter 23, 24 verläßt. Am Mittelteil 3 ist ein Steg 26 angeordnet in dem das Schaltglied 27 für Gebläsemotor und Heizwicklung untergebracht ist. Das Schaltglied 27 ist durch ein Betätigungselement 28, das über eine Ausnehmung 29 der Griffschale 8 erfaßbar ist, in den Betriebsstufen bzw. Aus stellbar.The central part 3, as shown in FIGS. 2 and 6 in particular, has at the air outlet end a number of
Claims (8)
- Electric hair drier, having a receiving housing, which includes a handle and accommodates a fan motor (4) and a fanwheel (5) as well as a heating winding (6) formed from resistance wire, the handle of said housing accommodating a switch member (27) for the operational stages and "off" position of the fan motor (4) and heating winding (6), and wherein the receiving housing is formed from two cup-shaped shells (1, 2), which are interconnected by clamping means and have through-apertures (18, 19) for the fan air to pass therethrough, each shell having a respective handle shell (7, 8), which is formed in the edge region of the open ends of the shells (1, 2), the shells (1, 2) and handle shells (7, 8) being placed upon one another with the edge faces of the open ends, characterised in that a cylindrical central portion (3) is enclosed between the shells (1, 2) and is provided with a web (26), which extends into the handle shells (7, 8), and in that the central portion (3) has an extractor grid, which is securedly connected to said central portion and supports the fan motor (4), with fanwheel (5), and the heating winding (6).
- Hair drier according to claim 1, characterised in that the cylindrical central portion (3), with the extractor grid, extends through a recess (18) in the front end of the shell (1), and some of its length protrudes forwardly beyond the shell (1).
- Hair drier according to claim 1, characterised in that the extractor grid (23, 24) is formed by a number of cylinders (23), which concentrically surround one another with spacings therebetween and are interconnected by webs (24).
- Hair drier according to claim 1, characterised in that the web (26) of the central portion (3) accommodates the switch member (27) for the operational stages and "off" position, the control (28) therefor extending from the rear of the shell (2) via an aperture (29).
- Hair drier according to claim 1, characterised in that there is provided on one shell (1) at least one hook member (14), which engages behind an undercut portion (15) of the other shell (2), and in that both shells (1, 2) are detachably mountable on each other by means of the hook member (14) and by means of screw connections, which are disposed in the region of the handle shells (7, 8).
- Hair drier according to claim 1, characterised in that the internal surface of at least one shell (1 or 2) is provided with centering pins, which protrude over the entire parting plane, for centering the other shell (2 or 1 respectively).
- Hair drier according to claim 1, characterised in that the shell (2) has a fan air inlet aperture (19), which extends approximately over the entire cross-section of said shell, and in that the fan air inlet aperture (19) is overlapped by an air inlet grid (20), which is formed on the shell (2).
- Hair drier according to claim 1, characterised in that the handle shells (7, 8) are inclinedly disposed on the shells (1, 2) at obtuse angles.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3927913A DE3927913A1 (en) | 1989-08-24 | 1989-08-24 | ELECTRIC HAIR DRYER |
| DE3927913 | 1989-08-24 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0413959A2 EP0413959A2 (en) | 1991-02-27 |
| EP0413959A3 EP0413959A3 (en) | 1991-07-31 |
| EP0413959B1 true EP0413959B1 (en) | 1994-06-01 |
Family
ID=6387746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90113735A Expired - Lifetime EP0413959B1 (en) | 1989-08-24 | 1990-07-18 | Electrical hair-dryer |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0413959B1 (en) |
| DE (2) | DE3927913A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4100509A1 (en) * | 1991-01-10 | 1992-07-16 | Petz Elektro Waerme Techn | ELECTRIC HAIR DRYER |
| WO1996037125A1 (en) * | 1995-05-23 | 1996-11-28 | Braun Aktiengesellschaft | Hand-held hair dryer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5345279A (en) * | 1978-12-08 | 1980-06-12 | Hubner, O. | Portable hair care equipment |
| US4382174A (en) * | 1981-01-09 | 1983-05-03 | Clairol Incorporated | Infra-red hair dryer |
| US4395619A (en) * | 1981-05-06 | 1983-07-26 | Yamada Electric Industries, Co. Ltd. | Hand held hair dryer with shock mounted quartz tube heater |
| FR2523823A1 (en) * | 1982-03-25 | 1983-09-30 | Vivalp | Air stream and liq. spray generator - uses fan and resistance heater to generate stream of warm air and has water jet |
| DE8704225U1 (en) * | 1987-03-20 | 1987-05-14 | Robert Krups Stiftung & Co KG, 5650 Solingen | Electric hairdryer |
-
1989
- 1989-08-24 DE DE3927913A patent/DE3927913A1/en not_active Withdrawn
-
1990
- 1990-07-18 EP EP90113735A patent/EP0413959B1/en not_active Expired - Lifetime
- 1990-07-18 DE DE59005897T patent/DE59005897D1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE59005897D1 (en) | 1994-07-07 |
| DE3927913A1 (en) | 1991-02-28 |
| EP0413959A3 (en) | 1991-07-31 |
| EP0413959A2 (en) | 1991-02-27 |
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