EP3902436A1 - Appareil de coiffure avec embout de prehension pour le refroidissement du moteur - Google Patents
Appareil de coiffure avec embout de prehension pour le refroidissement du moteurInfo
- Publication number
- EP3902436A1 EP3902436A1 EP19829236.9A EP19829236A EP3902436A1 EP 3902436 A1 EP3902436 A1 EP 3902436A1 EP 19829236 A EP19829236 A EP 19829236A EP 3902436 A1 EP3902436 A1 EP 3902436A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- accessory
- end piece
- hairdressing
- main body
- plug
- 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
Links
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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
-
- 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
- A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
- A45D2/36—Hair curlers or hair winders with incorporated heating or drying means, e.g. electric, using chemical reaction
- A45D2/367—Hair curlers or hair winders with incorporated heating or drying means, e.g. electric, using chemical reaction with electrical heating means
-
- 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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
- A45D1/04—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel by electricity
-
- 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
- A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
-
- 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
- A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
-
- 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
- A45D6/00—Details of, or accessories for, hair-curling or hair-waving devices
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
-
- 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
- A45D6/00—Details of, or accessories for, hair-curling or hair-waving devices
- A45D2006/005—Accessories therefor
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/104—Hair brush
Definitions
- the present invention relates to the field of hairdressing apparatus and in particular hairdressing apparatus comprising a main body and a heating accessory for shaping the hair, said accessory being designed to be mounted movable in rotation relative to the main body and having an interior chamber, the main body comprising a motor unit disposed inside said interior chamber and intended to rotate the accessory.
- Many hairdressing devices are known to blow hot air to allow users to dry the hair and / or shape it.
- patent application WO2008139051 of the applicant describes one of these devices. More specifically, the apparatus described in this application is in the form of a rotary blower brush.
- This device comprises a handle body and a rotating and blowing brush along the axis of the handle.
- the brush is equipped with bristles to grip the hair and allow, via the rotation of the brush, their winding around the brush which in addition is heated thanks to the flow of hot air which crosses it and which is ejected from it.
- the user controls the rotation of the brush by means of buttons on the handle.
- the device includes a motor unit for rotating the brush which is arranged inside the brush. More precisely, this motor group consists of an electric motor and a transmission box allowing the torque to be transferred from the motor to the accessory by reducing the speed of rotation (also called gearmotor) so that the accessory can properly wind the user's hair.
- the present invention aims to overcome the aforementioned drawbacks.
- An objective of the invention is to provide a hairstyling device which is particularly reliable and robust.
- An objective of the invention is to provide a hair styling device which is particularly simple and intuitive to use.
- Another object of the invention is to provide a hairstyling device which is particularly safe to use.
- Another objective of the invention is to provide a hair styling device which is particularly compact and ergonomic.
- Another objective of the invention is to provide a hairstyling device which is inexpensive and simple to manufacture.
- a hairstyling device comprising a main body and a heating accessory for shaping the hair, said accessory being designed to be mounted movable in rotation relative to the body.
- main and having an interior chamber the main body comprising a motor unit disposed inside said interior chamber and intended to rotate the accessory, characterized in that the accessory comprises a cold endpiece intended to be grasped by the user of the hairdressing device which extends at least in part around the power unit.
- heating accessory any accessory capable of transferring heat to the hair, whether by convection, conduction or radiation, or the like.
- the accessory can be passively heated, that is to say that it does not have any element producing heat in its own right: the accessory is then heated thanks to the heat that it receives, for example from a hot fluid passing through it.
- the accessory can also be actively heating, that is to say that it itself has an element producing heat in its own right, such as an electrical resistance.
- cold endpiece any element allowing the user to handle the heating accessory without the risk of burning or discomfort so as to constitute a gripping endpiece.
- the cold end piece is substantially cold, that is to say that it is isolated from the heated hairdressing accessory so as to remain at an acceptable temperature so that it can be handled directly by hand.
- the temperature of the grip tip does not exceed 40 ° C to 50 ° C.
- the invention thus makes it possible to limit the temperature of the power unit by imparting, at least over part of the periphery of the power unit, a cold end piece, or at least one end piece whose temperature is sufficiently low to allow it to be grasped without danger by a user.
- the cold nozzle will then constitute a privileged cooling zone for the engine group, which even if it remains subjected to the flow of hot air, finds in this cold nozzle a zone allowing to evacuate the calories and therefore to significantly reduce its temperature.
- the motor group is a motor group intended to rotate a hairdressing accessory.
- the power unit comprises a transmission box (or gearbox), the cold endpiece extending at least in part around the transmission box.
- the gearbox is a reduction gear. This arrangement makes it possible to cool the transmission box, thereby giving the latter a heat exchange surface with the outside, that is to say with fresh air. This contributes to lowering the temperature of the gearbox, and therefore of the lubricant it contains, which allows the latter to retain all of its properties.
- the components of the gearbox typically gears, in a manner known as such) are optimally lubricated. Thus the life and reliability of the gearbox, therefore of the power unit, and therefore of the hairdressing apparatus are remarkably improved.
- the motor unit is a geared motor, that is to say it is formed by an electric motor and a transmission box (or gearbox) directly attached to the motor which allows a gain of space.
- the interior chamber of the accessory includes the gearmotor.
- the interior chamber would only have the gearbox while the engine would be located inside the main body.
- the cold end piece, the motor unit and the accessory are coaxial, which makes it possible to propose a hairstyling device whose radial size is limited.
- the cold end piece, the motor unit and the accessory extend longitudinally along and radially around an axis.
- the main body extends longitudinally along the axis.
- the cold endpiece extends around the motor unit over a length of between 1 mm and 50 mm, advantageously between 2 mm and 15 mm and preferably equal to 6 mm.
- This overlap length between the cold end piece and the engine group, and preferably between the engine group and the gearbox, has been calculated to allow both good cooling of the engine group, and preferably of the gearbox, while retaining a useful length of accessory satisfactory to the user.
- the cold end being by definition not heating, the latter can not be used by the user for the shaping of his hair.
- the cold end piece includes a free grip end in rotation relative to the accessory.
- a free grip end in rotation relative to the accessory.
- the cold end piece comprises a plug mounted fixed relative to the accessory by any suitable means, such as by clipping, screwing, gluing, welding, etc. Consequently, the gripping end piece is therefore movable in rotation relative to the plug.
- the plug is mounted movable in rotation relative to the accessory, so that in this case, the gripping end piece can be mounted fixed vis-à-vis of the plug.
- the plug extends at least partially in part around the engine group, and advantageously around the transmission box (or of the reduction gear), the plug thus contributing to the cooling of the engine group, and advantageously to the cooling of the transmission box. .
- the gripping endpiece comprises a substantially cylindrical cap and the stopper comprises a circular guide rib extending longitudinally along the axis inside and in contact with said cap so as to define a surface of cylindrical contact between the grip and the accessory.
- the guiding in rotation of the gripping end piece with respect to the accessory is achieved by means of a sliding pivot connection consisting of two cylinders nested one inside the other. This construction allows large radial forces to be absorbed, including if these are applied cantilevered, that is to say outside the zone carrying out the guiding in rotation, for example at the end. free from the grip.
- the cylindrical contact surface between the gripping endpiece and the accessory, or more precisely between the gripping endpiece and the plug, or according to the preceding preferred embodiment, between the cap and the guide rib has a length between 2 mm and 15 mm, advantageously between 4 mm and 10 mm and is preferably equal to 6 mm. These dimensions have been carefully studied to ensure good guiding in rotation while limiting the size of the device. In addition, such a cylindrical contact surface ensures good heat exchange between the plug and the gripping endpiece, which makes it possible to cool the plug and therefore also the power unit.
- the plug comprises a rotational driving device designed to transfer a rotational movement from the main body to the accessory.
- the plug is designed to receive a torque from the hairdressing appliance and transfer this torque to the accessory, in order to give the latter a rotational movement.
- the rotary drive device extends longitudinally along the axis through the plug.
- the cold end piece includes a movable attachment device between an open position designed to allow assembly or disassembly of the accessory on the main body and a closed position designed to keep the accessory assembled. with the main body.
- the cold endpiece as defined by the invention can preferably also perform a function of assembling the accessory on the hairdressing appliance. . This grouping of the functions of guiding in rotation and of assembly within the cold end piece is entirely clever since it makes it possible to be able to assemble or disassemble the accessory of a hairdressing apparatus, including when this accessory is still hot and therefore cannot be handled directly by hand.
- the closed position is advantageously a rest position.
- the hanging device returns naturally in the closed position, which permanently guarantees the correct assembly of the accessory on the hairdressing appliance.
- the cold end piece may include a locking button making it possible to change the fastening device between its open and closed positions.
- the locking button can be a push button, a slider, or a lever making it possible to act directly and mechanically on the hooking device, and this in a very intuitive manner for the user.
- the accessory forms a tube intended to receive inside it preferably hot air, said tube comprising a radial air outlet for ejecting the air.
- the accessory also includes bristles or pins distributed over its entire external surface. The accessory thus forms for example a rotating brush.
- the cold end piece constitutes one end of the hairdressing appliance.
- Figure 1 is a perspective view of a hairdressing apparatus according to the invention, in this case a blower brush, the apparatus comprising in particular two different and interchangeable accessories, one of which is assembled and the other not .
- Figure 2 is a perspective view of the apparatus of Figure 1 but without its accessories. In other words, Figure 2 illustrates the main body of the device.
- Figure 3 is a side view of the apparatus of Figure 1 with an accessory installed.
- Figure 4 is a top view of the apparatus of Figure 3.
- Figure 5 is a longitudinal sectional view of the device of Figure 4 along the longitudinal axis X-X ', an accessory being installed on the device.
- Figure 6 is a longitudinal sectional perspective view of the apparatus of Figure 4, the accessory being uninstalled.
- Figure 7 is a perspective view of a cold endpiece as defined by the invention.
- FIG. 8 is an exploded perspective view showing two sub-assemblies of the cold end piece of FIG. 7.
- FIG. 9 is a perspective view of the cold end piece of FIG. 8.
- FIG. 10 is a sectional and detailed view of FIG. 6.
- Figure 1 1 is a perspective view of a gripping tip as defined by the invention.
- Figure 12 is a perspective view of the tip of Figure 1 1, some parts having been hidden.
- an accessory 2 is an accessory of a hairdressing device which constitutes a rotary blower brush.
- a hairdressing device which constitutes a rotary blower brush.
- This type of device makes it possible to combine the operations of drying and styling the hair. Indeed, as will be described later, the device can simultaneously blow air, possibly heated beforehand, and grip and set in motion the hair in order to give it a shaping, and in particular a waving or a closure.
- the invention is in no way limited to this embodiment and can relate to any other hairdressing appliance, such as for example hair dryers, the construction, the problems and the challenges of which are described below are relatively relatives.
- the terms “upstream”, “downstream”, “proximal”, “distal” are defined with respect to the direction of air flow.
- the expression “upstream” means “before” or “at the beginning”, while the expression “downstream” means “after” or “at the end”, by analogy with the hydraulic theme from which these expressions.
- the term “proximal” means “near the air inlet” while the term “distal” means “away from the air inlet”.
- the hairdressing apparatus comprises a main body 1 which itself advantageously comprises an external shell 12, preferably forming a grip zone for the user, such as for example a handle or a handle .
- a main body 1 which would not necessarily constitute a handle such as for example a barrel of hair dryer.
- the main body 1 extends longitudinally along an axis X-X ’.
- the main body 1 has a shape of revolution around the axis X-X ’, for example having the shape of a tube of circular section.
- the main body 1 could take the form of a tube of oval, square section, etc., the important thing being that the main body 1 is of hollow section to allow accommodating different components and the circulation of a air flow 3 as will be detailed later.
- an air flow 3 circulates inside the main body 1.
- This air flow 3 is set in motion by a motor-fan unit 13 disposed inside the main body 1 as can be seen in FIG. 5 or 6.
- the air flow 3 is advantageously drawn in through an air inlet 1 1 preferably located at a proximal end of the main body 1.
- the air inlet 1 1 preferably comprises a first grid 1 1 1, advantageously removable to allow cleaning.
- the air inlet 1 1 further comprises a second grid 1 12, preferably fixed in order to enhance the operational safety of the device.
- this second grid 1 12 makes it possible to prevent the hair from penetrating inside the main body 1, even in the absence of the first removable grid 1 1 1.
- the openings of the second grid 1 12 are preferably larger than those of the first grid 1 1, for example, the first grid 1 1 1 has a plurality of holes of small diameters uniformly distributed over the entire surface of the first grid 1 1 1, while the second grid 1 12 comprises a plurality of angular sectors open.
- the air thus circulates inside the main body 1 from the air inlet 1 1 to an air outlet 191 advantageously coaxial with the air inlet 1 1.
- the motor-fan unit 13 used in the embodiment illustrated by the different figures therefore makes it possible to generate and set in motion the air flow 3.
- the motor-fan group 13 comprises a propeller 131 which can be either an axial (or helical) propeller as illustrated, a centrifugal propeller, a helico-centrifugal propeller, or even a tangential propeller without departing from the scope of the invention.
- the propeller 131 is rotated by a motor 133 in a manner known as such.
- the hairdressing apparatus comprises a heating device 18 intended to heat the air flow 3. More specifically, the heating device 18 is arranged inside the main body 1, downstream of the motor-fan group 13. The heating device 18 is coaxial and aligned with the motor-fan group 13. Thus, the air flow 3 set in motion by the motor-fan group 13 is drawn at temperature ambient through the air inlet 1 1 then passes through the heating device 18 which has the effect of heating the air flow 3 in order to eject hot air on the user's hair to d on the one hand dry these and on the other hand shape them.
- the heating device 18 comprises a support of mica 182, or of any other insulating material, in the form of a cross or an X as can be seen in FIGS. 5 and 6.
- the heating device 18 further comprises a conductive wire (not shown) wound around the support of mica 182. An electric current flows inside this wire which has the effect of producing heat by Joule effect, as is well known as such in hairdressing apparatus.
- the hairstyling appliance also comprises a hairstyling accessory 2, generally removably mounted on the main body 1.
- the hairdressing apparatus comprises a plurality of accessories 2, for example two accessories, advantageously different from each other. It is thus possible for the user to choose which accessory he wants to use, depending on the setting shape of the hair he wants, and install it on the main body 1 of the device.
- Figure 1 illustrates two accessories 2 of different diameters, for example 38 mm and 50 mm, which allows to make waves or curls in hair of different diameters but also to adapt to the length of the hair of the user .
- the length of the accessories 2 does not vary and remains, for example, between 120 mm and 160 mm, for example being substantially equal to 140 mm.
- the accessory offers a useful length, that is to say a length intended to be in contact with the hair of the order of 100 mm.
- the hairstyle accessory 2 therefore extends longitudinally along the axis X-X ’between a proximal end and a distal end according to the preferred dimensions above.
- the accessory 2 is mounted movable in rotation relative to the main body 1 so as to be able to wrap the hair around the accessory 2 to give them shaping, in particular a waving or curling. As can be seen in FIG. 1 in particular, the accessory 2 is mounted coaxially with the main body 1.
- the accessory 2 comprises an air inlet 21 intended to cooperate with the air outlet 191 of the main body 1 so as to pass the air from the main body 1 to the accessory 2
- the proximal end comprises the air inlet 21.
- the accessory 2 also has a hollow shape, preferably a tube shape, thus defining an interior air circulation chamber.
- the accessory 2 also comprises an air outlet 23 radial designed to eject the air radially, that is to say substantially perpendicular to the axis XX ′, as can be seen for example in FIG. 1.
- the accessory 2 forms a tube intended to receive inside it preferably hot air, said tube comprising a radial air outlet 23 for ejecting the air.
- the air outlet 23 includes a plurality of openings, in this case holes, the diameter of which can be variable depending on their position in relation to the air flow 3.
- the diameter of the different holes will decrease in the direction of the air flow 3: in other words, the holes with the largest diameter are located near the air inlet 21 while the smaller diameter holes are located opposite the air inlet 21, for example near a grip 24
- the section of the openings of the air outlet 23 decreases according to the direction of flow of the air flow 3 within the accessory 2, which guarantees optimum drying efficiency of the hair in the measurement where the reduction in the cross section of the air outlet openings 23 compensates for the pressure drop in the air flow 3 due to the increase in the distance from the motor-fan unit 13.
- the accessory 2 comprises an external mandrel 22, preferably made of heat conductive material such as a metallic material for example, in order to optimize the heat transfer to the hair, and thus improve the setting in shape.
- the air flow 3 is heated in the main body 1 by the heating device 18 and is then found inside the accessory 2 which it will heat.
- the external mandrel 22 then advantageously comprises the air outlet 23 described above.
- the accessory 2 is heated insofar as the air flow 3 which passes through it is itself heated by the heating device 18 as explained above.
- the external mandrel 22 of the accessory 2 will make it possible to diffuse the heat transmitted by the air flow 3 to the hair and therefore allow the accessory 2 to give the hair a shape.
- the main body 1 also advantageously comprises an accessory support 19 intended to receive and rotate one of said accessories 2.
- the accessory support 19 extends longitudinally and coaxially with the main body 1, from the air outlet 191 towards a distal end opposite to the air inlet 1 1.
- the length of the accessory support 19 is preferably substantially equal to the length of the accessories 2.
- the accessory support 19 advantageously comprises a casing 193 of substantially cylindrical shape.
- the accessory support 19 further comprises an engine group 196, visible in FIGS. 5 and 6, remarkably arranged inside the casing 193.
- the engine group 196 is arranged inside the accessory 2, more precisely in the interior chamber of the accessory 2.
- the motor unit 196 is integral with the main body 1 which therefore penetrates inside the interior chamber of the accessory 2.
- the accessory 2 is arranged around of the accessory support 19 and therefore around the motor unit 196.
- Said motor group 196 is then intended to set in motion the accessory 2 installed on the accessory support 19 so that the accessory 2 is driven by a movement of rotation about the longitudinal axis XX 'and relative to the main body 1.
- the power unit 196 comprises an electric motor 1961 and a transmission box (or gearbox) 1962, as can be seen in FIG. 10.
- the transmission box 1962 is then coaxial and mounted at the end of the 1961 electric motor.
- the 1962 gearbox is designed to reduce or modify the rotational movement of the 1961 electric motor, and more particularly to reduce its rotational speed while increasing its torque, as is well known as such, thus advantageously forming a geared motor. .
- the accessory support 19 preferably comprises, at its distal end, a rotary drive device 194 intended to correspond with a device for receiving the accessory 2 in addition to transmit the torque from the engine group 196 towards the accessory 2.
- the rotary drive device 194 comprises for example grooves which correspond with grooves arranged inside the gripping end piece 24 of the accessory 2.
- the accessory support 19 advantageously comprises a coupling device 195 situated at a distal end of the accessory support 19 which comprises for example a groove or a circular groove produced on a motor shaft 197.
- a coupling device 195 situated at a distal end of the accessory support 19 which comprises for example a groove or a circular groove produced on a motor shaft 197.
- the accessory support 19 advantageously comprises a device 192 for guiding the air flow 3 which extends longitudinally from the air outlet 191 and opposite the inlet air 1 1.
- This guide device 192 may for example comprise ribs or arches.
- the guide device 192 is integral with the main body 1.
- the guide device 192 is mounted substantially end to end with the heating device 18, without however being in contact with the latter so that the guide device 192 is not deteriorated by heat.
- the main body 1 also comprises a control and supply device 16 as can be seen for example in FIG. 4.
- this control and supply device 16 comprises in particular a speed switch 161 allowing the user to control the speed of rotation of the motor 133 and therefore the speed of flow of the air flow 3.
- this speed switch 161 is located near the air inlet 1 1 and of the motor 133 and can take the form of a sliding switch with several positions.
- the main body 1 can also include a rotation switch 162 allowing the user to select the direction of rotation of the motor unit 196 and therefore to control the direction of rotation of the accessory 2 that he will have previously mounted on the accessory support 19 as described above.
- This rotation switch 162 also makes it possible to control the starting or stopping of the motor unit 196 and therefore the turning or stopping of the accessory 2.
- the selection of the direction of rotation of accessory 2 allows the user to choose which direction will be the ripples or curls that he will create on his hair.
- the rotation switch 162 is arranged near the air outlet 191, that is to say near the accessory 2 so as to be easily actuated by the thumb of the user which allows the latter to precisely control the rotation and stopping of the motor unit 196 and therefore the rotation and stopping of the accessory 2 during its styling operation.
- the main body 1 also advantageously comprises a rotary cord 163 which allows the free rotation of the electrical supply cord within the main body 1, therefore not hampering the movements of the user.
- This device is well known as such, so it is not detailed here.
- the accessory 2 has a cold endpiece 24, 25 designed to stay at a temperature preferably not exceeding the ambient temperature of 50 ° C and ideally not exceeding the ambient temperature of 5 ° C to 15 ° C which allows the user to be able to handle this cold nozzle directly by hand without the risk of getting burned.
- the cold end piece 24, 25 is therefore intended to be grasped by the user of the hairdressing apparatus, advantageously having a temperature between 20 and 50 ° C, preferably around 30 ° C.
- the cold end piece 24, 25 extends at least partially around the power unit 196 and more preferably around the gearbox 1962.
- at least part of the motor group 196 preferably at least part of the gearbox 1962, is arranged inside the cold end piece 24, 25.
- the power unit 196 and the cold end piece 24, 25 overlap on a certain length, which gives the motor unit 196 a cooling zone.
- the gearbox 1962 and the cold end piece 24, 25 overlap over a certain length, which makes it possible to give the gearbox 1962 a cooling zone.
- the engine group 196 and preferably the gearbox 1962, can then dissipate its calories, including the calories received by the flow of hot air 3 which circulates inside the accessory 2 and around the engine group 196 by through this cold end piece 24, 25.
- the heat exchange surface between the power unit 196 and the open air is thus increased by the overlap of the power unit 196 and the cold end piece 24, 25.
- the power unit 196 heats less, which can improve its reliability and its lifespan.
- the heat exchange surface between the gearbox 1962 and the open air is thus increased by the overlap of the gearbox 1962 and the cold end piece 24, 25.
- the gearbox 1962 heats up less, this which allows the lubricant it contains to retain all its properties and therefore to properly lubricate the gears of the gearbox 1962. The lifetime of the latter is therefore improved, as well as its yield. In addition, the noise emitted by the latter can also be reduced and the risk of lubricant leakage is minimized.
- the cold end piece 24, 25, the power unit 196 and the accessory 2 are all coaxial, and more specifically, the power unit 196 is inside a chamber interior of the accessory 2.
- the cold end piece 24, 25, the motor unit 196 and the accessory 2 each extend longitudinally along the axis XX ′.
- the cold end piece 24, 25, the motor unit 196 and the accessory 2 also each extend radially around the axis X-X ’.
- the cold end piece 24, 25 comprises two separate sub-assemblies: a gripping end piece 24 and a plug 25, the constructions of which are detailed below.
- the cold end piece 24, 25 advantageously constitutes one end of the hairdressing appliance.
- the distal end of the accessory 2 comprises a plug 25, that is to say a piece whose function is preferably to plug or close the distal end of the accessory 2, in particular in order to make this end tight vis-à-vis the air flow 3.
- the plug 25 then forces the air flow 3 to take another outlet to leave the accessory 2, in this case the radial air outlet 23 as defined above.
- the plug 25 advantageously has a shape of revolution around the axis XX ′, and more particularly a substantially cylindrical shape as can be seen in FIGS. 7 to 12. In fact, such a shape is particularly suitable for rotation of the hairdressing accessory 2 as represented by the illustrated embodiment, namely an accessory 2 of a rotary blower brush.
- the plug 25 preferably comprises a first part 251 intended to be mounted on the accessory 2.
- the plug 25 is preferably mounted fixed relative to the accessory 2, by example using a plurality of hooking tabs 251 1 intended to come into contact with the tube of the accessory 2.
- the plug 25 also advantageously comprises a guide flange 252 forming preferably a circular guide groove 253 within the plug, that is to say a hollow circular zone within the plug 25.
- the distal end of the accessory, more precisely the plug 25 advantageously comprises a circular guide rib 254, that is to say the generator of which is a circle, which extends longitudinally along the axis XX ' .
- the plug 25 advantageously comprises a rotary drive device 255 designed to transfer a rotational movement from the hairdressing appliance on which the accessory 2 is installed to the accessory 2.
- the rotational drive device 255 is then intended to correspond with a complementary rotational drive device 194 belonging to the main body 1 of the hairdressing apparatus, as will be detailed later.
- the rotary drive device 255 comprises grooves, as illustrated, which correspond with other grooves of said complementary device 194.
- Such a device allows the plug 25, that is to say at the distal end, to be able to drive the accessory 2 in rotation from the main body 1 of the hairdressing apparatus and therefore to confer on the accessory 2 a rotational movement.
- the rotary drive device 255 extends longitudinally along the axis XX 'through the plug 25, which makes it possible to distribute the rotary drive torque well over at least part of the length of the plug 25. This also makes it possible to increase the potential heat exchange surface between the complementary device 194 integral with the motor group 196 and the plug 25, and therefore indirectly the cooling of the motor group 196.
- the first part 251, the tongues 251 1, the guide flange 252, the guide groove 253, the guide rib 254 or even the complementary drive device 255 are coaxial to the axis XX 'and preferably have forms of revolution around the axis XX'.
- the plug 25, and more precisely the first part 251 extends at least partially in part around the motor unit 196, so as to allow the latter to cool as explained above.
- the first part 251 extends around the power unit over a length between 1 mm and 50 mm, advantageously between 2 mm and 15 mm and is preferably equal to 6 mm.
- the plug 25 is in contact with the enveloping casing 193 and in contact with the motor unit 196 which therefore allows heat exchange between the plug 25 and the motor unit 196, via the casing 193.
- the accessory 2 includes a gripping tip 24 allowing the user to grasp the accessory 2 even when the latter is in motion.
- this gripping nozzle is coaxial with the main body 1 and opposite the air inlet 1 1 of the latter which allows good ergonomics of the device.
- the grip 24 is at least partially hollow and extends longitudinally along and around the axis X-X '.
- the gripping end piece 24 has a substantially cylindrical cap 241. Indeed, this shape has ergonomic and economical qualities, in particular with regard to its ease of manufacture.
- the grip 24 is assembled on the distal end of the accessory 2, and more precisely on the plug 25 defined above.
- the gripping tip is therefore designed to be grasped by the user of the accessory while being free to rotate relative to the accessory 2, which, as explained, allows the user to grasp said tip firmly with his fingers. grip without getting burned and despite the rotation of the accessory. Indeed, the free rotation of the gripping end piece with respect to the accessory 2 makes it possible to avoid any risk of friction between the hand of the user and the gripping end piece.
- the distal end of the accessory 2, and more precisely the plug 25, extends inside and in contact with the grip 24, longitudinally along the axis X-X '.
- the distal end of the accessory 2 protrudes inside the grip end 24 and the distal end and the grip end are in contact with each other on a certain length along the axis XX '.
- This allows the distal end to provide rotational guidance of the grasping tip relative to the accessory.
- the gripping endpiece extends, at least in part, along the axis XX ′, around the distal end, and more precisely around the plug 25.
- the gripping end piece and the plug 25 are in contact on a continuous surface.
- Such a contact makes it possible to improve the guiding in rotation of the gripping endpiece relative to the accessory 2 in particular by distributing the radial forces well over the entire contact surface, which makes it possible to absorb said radial forces without compromising the rotation of the grip.
- the guide rib 254 of the plug 25 extends, longitudinally along the axis XX ′, inside and in contact with said cap 241 so as to define a contact surface cylindrical between the gripping end piece 24 and the accessory 2.
- the cylindrical contact surface has a length of between 2 mm and 15 mm, advantageously between 4 mm and 10 mm and is preferably equal to 6 mm.
- This length therefore corresponds to the contact length between the gripping end piece 24 and the plug 25, and therefore advantageously to the length of the guide rib 254, and has been optimized to guarantee good rotation guidance of the end piece grip 24 vis-à-vis the accessory 2 while containing the size of these elements.
- this length but above all the surface contact surface, and preferably cylindrical, makes it possible to remarkably contribute to good heat exchange between the plug 25 and the gripping end piece 24 which has an exchange surface with the fresh air. consequent environment (notably thanks to its cylindrical shape). Consequently, this preferentially cylindrical contact surface contributes to cooling the plug.
- the diameter of the cylindrical contact surface that is to say the diameter of the guide rib 254 or of the cap 241 can be between 10 mm and 50 mm, for example preferably being substantially equal to 27 mm.
- the gripping tip comprises a gripping relief 241 1, such as for example streaks, hollows, bumps or any other shape making it possible to prevent the fingers from l user slide on the grip 24.
- the grip end 24 comprises a circular ring 2412 and integral with the grip tip 24 and preferably located at a proximal end of the grip tip.
- the gripping tip includes a circular rib projecting radially from the cap 241.
- This ring 2412 is designed to fit into the guide groove 253 defined above, that is to say under the guide flange 252.
- the ring 2412 disposed in the guide groove 253 thus achieves quite remarkable a stop in translation along the axis XX '.
- the ring 2412, the guide groove 253 and the guide flange 252 jointly produce an axial holding device to prevent any relative translation between the gripping end piece 24 and the distal end of the accessory 2
- the ring 2412 cannot translate within the guide groove 253, but it can rotate along the axis XX ′, which makes it possible, quite cleverly, to produce a second guide device in rotation of the gripping end piece 24 relative to the accessory 2. Thanks to this second rotary guide, distinct from the first rotary guide, the distribution of the axial forces is even better distributed, which further improves the rotary guide of the '' grip for the accessory.
- the diameter of the ring 2412, and therefore of the guide groove 253 is substantially equal to 34 mm.
- the gripping end piece 24 includes a hooking device 242 designed to interact with the main body 1 of the hairdressing accessory, and more precisely to allow assembly or disassembly (that is to say assembly or disassembly) of the accessory 2 on the main body 1 of the hairdressing appliance.
- the attachment device 242 is advantageously movable between an open position designed to allow the assembly or disassembly of the accessory 2 on a hairdressing appliance and a closed position designed to keep accessory 2 assembled with the hairdressing appliance.
- the closed position is a rest position, which makes it possible to guarantee permanently (except during the disassembly phases of course) the correct attachment of the accessory 2 to the main body 1 of the hairdressing appliance.
- the hooking device 242 comprises, as can be seen in FIGS. 10 to 12, an elastic locking device 2422 intended to correspond with the coupling device 195 of the accessory support 19 of the main body 1 of the hairdressing appliance. More specifically, the elastic locking device 2422 can be inserted into a groove in the coupling device 195 so as to constitute a stop in translation along the axis X-X ’.
- the elastic locking device 2422 can be a spring whose shape is similar to that of the capital Greek letter Omega W.
- the hooking device 242 also comprises a chassis 2423 whose general shape is that of a capital U.
- the chassis 2423 makes it possible to hold in place the elastic locking device 2422 within the gripping end piece 24 by means of an axis (not shown) passing through a hole 2426 in the chassis 2423 and the elastic locking device 2422.
- the hole 2426 is located in the center of the non-parallel bar of the U, while the parallel bars of the U are in contact with the cap 241 in order to position the frame 2423 in the middle and inside of the cap 241.
- the hooking device 242 comprises a locking button 2421 which allows, by acting directly on the elastic locking device 2422, to move the hooking device 242 between its open and closed positions.
- the attachment device 242 also includes a support 2425 of arcuate shape movable relative to the chassis 2423.
- a spring 2424 is disposed along each of the parallel bars of the U of the chassis 2423 between the chassis 2423 and the support 2425.
- the support 2425 is slidably mounted relative to the chassis 2423 by means of a sliding device 2427 comprising a groove produced in each of the parallel bars of the U of the chassis 2423 and two tongues integral with the support 2425.
- the support 2423 pushed back by the two springs 2424, makes it possible to hold the locking button 2421 in a position corresponding to the closed position, for example by being flush with the grip.
- the hooking device 242 forms a guide in rotation between the gripping end piece 24 and a device. hairstyle.
- Such an architecture also makes it possible to improve the distribution of the radial forces applied to the gripping end piece by transferring them in part to the hairdressing device, which further improves the rotational guidance of the gripping end piece.
Landscapes
- Cleaning And Drying Hair (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1874368A FR3091154B1 (fr) | 2018-12-28 | 2018-12-28 | appareil de coiffure avec embout de préhension pour le refroidissement du moteur |
| PCT/EP2019/087093 WO2020136253A1 (fr) | 2018-12-28 | 2019-12-27 | Appareil de coiffure avec embout de prehension pour le refroidissement du moteur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3902436A1 true EP3902436A1 (fr) | 2021-11-03 |
| EP3902436B1 EP3902436B1 (fr) | 2024-10-02 |
Family
ID=66641123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19829236.9A Active EP3902436B1 (fr) | 2018-12-28 | 2019-12-27 | Appareil de coiffure avec embout de prehension pour le refroidissement du moteur |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3902436B1 (fr) |
| CN (1) | CN111374421B (fr) |
| ES (1) | ES2999207T3 (fr) |
| FR (1) | FR3091154B1 (fr) |
| PL (1) | PL3902436T3 (fr) |
| WO (1) | WO2020136253A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1021238S1 (en) | 2022-06-02 | 2024-04-02 | Sharkninja Operating Llc | Hair care appliance |
| US20240245190A1 (en) | 2023-01-19 | 2024-07-25 | Sharkninja Operating Llc | Identification of hair care appliance attachments |
| KR20250154586A (ko) | 2023-01-19 | 2025-10-28 | 샤크닌자 오퍼레이팅 엘엘씨 | 전력 공급 부착물을 갖는 헤어 케어 기기 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH697578B1 (de) * | 2004-08-06 | 2008-12-15 | Cornelia Crameri | Haarbürste. |
| FR2914543B1 (fr) | 2007-04-06 | 2010-02-26 | Seb Sa | Brosse a cheveux electrique |
| CN201958032U (zh) * | 2011-01-21 | 2011-09-07 | 宁波阜成电器有限公司 | 一种卷发器 |
| KR101351049B1 (ko) * | 2012-06-18 | 2014-01-24 | 주식회사 제이엠더블유 | 가열식 헤어 브러시 |
| KR101538288B1 (ko) * | 2015-01-15 | 2015-07-20 | 키스 네일 프로덕츠, 인크. | 헤어 스타일링 장치 및 헤어 스타일링 방법 |
| JP6091482B2 (ja) * | 2014-12-10 | 2017-03-08 | 三發電器製造廠有限公司 | ヘアアイロン |
| CN204670560U (zh) * | 2015-06-06 | 2015-09-30 | 覃波 | 自动卷发器 |
| FR3102347B1 (fr) * | 2019-10-25 | 2021-10-22 | Seb Sa | appareil de coiffure avec accessoire rotatif orientable |
-
2018
- 2018-12-28 FR FR1874368A patent/FR3091154B1/fr active Active
-
2019
- 2019-12-27 WO PCT/EP2019/087093 patent/WO2020136253A1/fr not_active Ceased
- 2019-12-27 ES ES19829236T patent/ES2999207T3/es active Active
- 2019-12-27 CN CN201911372285.0A patent/CN111374421B/zh active Active
- 2019-12-27 EP EP19829236.9A patent/EP3902436B1/fr active Active
- 2019-12-27 PL PL19829236.9T patent/PL3902436T3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES2999207T3 (en) | 2025-02-25 |
| FR3091154B1 (fr) | 2021-10-22 |
| CN111374421A (zh) | 2020-07-07 |
| EP3902436B1 (fr) | 2024-10-02 |
| PL3902436T3 (pl) | 2025-02-24 |
| WO2020136253A1 (fr) | 2020-07-02 |
| CN111374421B (zh) | 2025-05-13 |
| FR3091154A1 (fr) | 2020-07-03 |
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