EP3865037A1 - Portable vacuum cleaner provided with a main casing comprising first and second separate casing portions - Google Patents

Abstract

The vacuum cleaner includes a suction duct; a waste separation device; a main casing (3) in which is housed a suction device comprising a motor-fan; and a gripping handle, the main housing (3) comprising a first housing part (28) comprising a first branch (29) in which the suction duct is housed, a second branch (31) forming a front part of the gripping handle and a third branch (32) partially defining a receiving chamber in which the suction device is housed, and a second housing part (34) disposed in a rear part of the vacuum cleaner, the second housing part (34) comprising a primary branch (35) forming a rear part of the gripping handle and a secondary branch (36) partially defining the receiving chamber.

Description

Technical area

The present invention relates to the field of vacuum cleaners making it possible to suck up dust and waste of small particle size present on a surface to be cleaned, which may for example be tiles, parquet, laminate, carpet or a carpet.

State of the art

A vacuum cleaner, and more particularly a portable vacuum cleaner, in known manner comprises a suction duct; a waste separation device fluidly connected to the suction duct; a main housing in which is housed a suction device comprising a motor-fan which is configured to generate an air flow through the suction duct and the waste separation device; and a gripping handle comprising a median longitudinal axis which is inclined with respect to a longitudinal axis of the suction duct.

The main housing of such a vacuum cleaner is formed by a large number of separate parts, which complicates the assembly of the vacuum cleaner and significantly increases the manufacturing costs of the vacuum cleaner. In addition, for ease of use, this type of portable vacuum cleaner must be as light as possible with a very small footprint. Furthermore, there is also a demand for portable vacuum cleaners having good structural strength to withstand, for example, the starting torque of the motor-fan unit of the portable vacuum cleaner. These criteria are antagonistic since the structural resistance of a portable vacuum cleaner is generally and in part ensured by its casing, the shape and complexity of which tend to weigh down and increase the overall size of the vacuum cleaner. This compromise between lightness and compactness on the one hand and structural strength on the other is generally difficult to achieve.

Summary of the invention

The present invention aims to remedy all or part of these drawbacks.

The technical problem underlying the invention consists in particular in providing a vacuum cleaner which is of simple structure, light with a limited size and economical, while remaining reliable.

To this end, the present invention relates to a vacuum cleaner comprising a suction duct; a waste separation device fluidly connected to the suction duct; a main housing in which is housed a suction device comprising a motor-fan which extends along a motor axis and which is configured to generate an air flow through the suction duct and the separation device of waste ; and a grip handle.

• une première partie de carter comprenant une première branche dans laquelle est logé le conduit d'aspiration, une deuxième branche formant une partie avant de la poignée de préhension et une troisième branche définissant au moins partiellement une chambre de réception dans laquelle est logé le dispositif d'aspiration, et
• une deuxième partie de carter disposée dans une partie arrière de l'aspirateur, la deuxième partie de carter comportant une branche primaire formant une partie arrière de la poignée de préhension et une branche secondaire définissant au moins partiellement la chambre de réception dans laquelle est logé le dispositif d'aspiration.

The main housing comprises:

• a first housing part comprising a first branch in which the suction duct is housed, a second branch forming a front part of the gripping handle and a third branch defining at least partially a receiving chamber in which the device is housed suction, and
• a second housing part disposed in a rear part of the vacuum cleaner, the second housing part comprising a primary branch forming a rear part of the gripping handle and a secondary branch defining at least partially the receiving chamber in which the suction unit.

According to the present invention, the gripping handle is therefore formed by the second branch of the first housing part and by the primary branch of the second housing part.

Such a configuration of the main casing according to the invention makes it possible, on the one hand, to be able to optimize the geometry of the main casing as a function of the size of the motor-fan, and on the other hand to simplify the molding of the main casing, and in particular the demolding of the first part of the casing. Moreover, such configuration of the main housing limits the number of parts required to form the main housing. The configuration of the main housing according to the present invention thus makes it possible to significantly reduce the manufacturing costs of the vacuum cleaner, to limit the size of the housing in particular at the level of the rear part of the vacuum cleaner and to lighten the rear part of the vacuum cleaner. 'vacuum cleaner.

In addition, the specific configuration of the second casing part makes it possible to stiffen the second and third branches of the first casing part, and thus gives good structural strength to the main casing, and therefore to the vacuum cleaner according to the present invention while at the same time. limiting the general mass of the vacuum cleaner.

In addition, the configuration of the second branch of the first housing part and of the primary branch of the second housing part facilitates the possible mounting of an electronic control unit, and in particular of an electronic card of said electronic control unit. control in the grip handle, and ensure easy access to the electronic control unit, for example in the context of a vacuum cleaner repair. The configuration of the second branch of the first housing part and of the primary branch of the second housing part also facilitates mounting of the fan motor in the first housing part.

The vacuum cleaner may further exhibit one or more of the following characteristics, taken alone or in combination.

According to one embodiment of the invention, the second part of the casing has the general shape of a square. This particular configuration of the second housing part contributes to improving the structural strength of the vacuum cleaner housing.

According to one embodiment of the invention, the primary branch of the second housing part is fixed, for example by screwing, to the second branch of the first housing part to form the gripping handle.

According to one embodiment of the invention, the secondary branch of the second casing part is fixed, for example by screwing, to the third branch of the first casing part.

According to one embodiment of the invention, the gripping handle comprises a median longitudinal axis which is inclined with respect to a longitudinal axis of the suction duct.

According to one embodiment of the invention, the first, second and third branches of the first housing part form a Y.

According to one embodiment of the invention, the primary and secondary branches of the second housing part form a V. Such a configuration of the primary and secondary branches makes it possible to form a clearance at the rear of the vacuum cleaner, and in particular under the part of the main casing housing the fan motor, and therefore to avoid contact of the forearm of a user with the rear part of the vacuum cleaner when using the vacuum cleaner. In addition, such a shape of the second housing part facilitates the gripping of the gripping handle when the vacuum cleaner is placed on its base. Thus, such a configuration of the primary and secondary branches gives increased ergonomics to the vacuum cleaner.

According to one embodiment of the invention, the primary and secondary branches of the second housing part are respectively complementary to the second and third branches of the first housing part.

According to one embodiment of the invention, the second and third branches of the first housing part form a V. Advantageously, the V-shape of the second housing part is arranged between the second and third branches of the first housing part. casing, and the V-shape of the second casing part is complementary to the V-shape formed by the second and third branches of the first casing part. This configuration helps to improve the structural strength of the vacuum cleaner.

According to one embodiment of the invention, the second and third branches of the first housing part are inclined with respect to each other by an inclination angle of between 80 and 100 °. Advantageously, the primary branches and secondary of the second housing part are inclined relative to each other with the same angle, that is to say an inclination angle between 80 and 100 °. Such a configuration of the first housing part facilitates the demolding of the first housing part.

Advantageously, the first and second branches of the first housing part are inclined with respect to each other by an angle of inclination of between 110 and 140 °, preferably between 120 ° and 130 °. This arrangement makes it possible to incline the gripping handle relative to the longitudinal axis of the suction duct with the same angle of inclination. The inclination of the gripping handle relative to the longitudinal axis of the suction duct at an inclination angle of between 110 and 140 °, preferably between 120 ° and 130 °, makes it possible to hold the vacuum cleaner with a more natural and ergonomic hand and wrist position.

When the first and second branches of the first housing part are inclined with respect to each other by an angle of inclination of between 110 and 140 ° and the angle of inclination between the second and third branches of the first housing part and the angle of inclination between the primary and secondary branches of the second housing part are each between 80 and 100 °, the rear of the vacuum cleaner is raised rearward. These arrangements also facilitate the gripping of the gripping handle, in particular when the vacuum cleaner is placed on its base in a vertical position with its connection sleeve downwards, and therefore give the vacuum cleaner increased ergonomics of use.

According to one embodiment of the invention, the first housing part is made in one piece. These arrangements make it possible to further reduce the manufacturing costs of the main casing and to simplify the assembly of the latter, and therefore to reduce the manufacturing costs of the vacuum cleaner.

According to one embodiment of the invention, the second housing part is made in one piece. These arrangements make it possible to further reduce the manufacturing costs of the main casing and to simplify the assembly of this last, and therefore reduce the manufacturing costs of the vacuum cleaner.

According to one embodiment of the invention, the secondary branch of the second housing part comprises air exhaust orifices.

According to one embodiment of the invention, the third branch of the first housing part at least partially surrounds an electric motor of the motor-fan.

According to one embodiment of the invention, the third branch of the first housing part forms a loop with at its center an opening emerging in a direction which is substantially parallel to the median longitudinal axis of the gripping handle. This particular structure makes it possible to facilitate the manufacture by molding of the first housing part and to improve the mountability and dismantling of the vacuum cleaner, in particular the mountability of the motor-fan unit in the vacuum cleaner housing.

According to one embodiment of the invention, the vacuum cleaner comprises a battery box in which a rechargeable battery is housed, the battery box being fixed to a lower end of the grip handle.

According to one embodiment of the invention, the battery box is fixed to one end of the second branch of the first housing part which is opposite to the third branch.

According to one embodiment of the invention, the first housing part comprises an upright which is substantially parallel to the gripping handle and which extends between the first branch of the first housing part and the battery box.

According to one embodiment of the invention, the secondary branch of the second casing part comprises a lower surface which is raised towards the rear of the main casing such that the lower surface extends towards the rear while approaching. of the motor shaft of the fan motor. These arrangements further facilitate the gripping of the gripping handle, in particular when the vacuum cleaner is placed on its base.

According to one embodiment of the invention, the lower surface extends rearwardly away from the longitudinal axis of the suction duct.

According to one embodiment of the invention, the lower surface is substantially planar and is inclined with respect to the longitudinal axis of the suction duct.

According to one embodiment of the invention, the lower surface is inclined relative to the longitudinal axis of the suction duct by an angle greater than 20 °.

According to one embodiment of the invention, the lower surface forms an angle of between 80 and 100 ° with respect to the median longitudinal axis of the grip handle.

According to one embodiment of the invention, the motorized fan is located at the rear of the median longitudinal axis of the gripping handle. These arrangements make it possible to better distribute the weight of the vacuum cleaner relative to the gripping handle, and therefore to further improve the ergonomics of use of the vacuum cleaner.

According to one embodiment of the invention, the suction device comprises an engine casing in which the motor-fan is disposed, the motor casing being fixed to the main casing.

According to one embodiment of the invention, the engine casing comprises a rear casing part and a front casing part fixed to one another, for example by screwing.

According to one embodiment of the invention, the front casing part is fixed, for example by screwing, to the first casing part, and for example to the first branch of the first casing part.

According to one embodiment of the invention, the main casing comprises an additional casing part which at least partially delimits the receiving chamber.

According to one embodiment of the invention, the rear casing part is fixed, for example by screwing, to the main casing, and for example to the casing part. additional. Advantageously, the additional casing part is fixed to the third branch of the first casing part.

According to one embodiment of the invention, the additional casing part delimits an upper part of the receiving chamber, and the secondary branch of the second casing part delimits a lower part of the receiving chamber.

According to one embodiment of the invention, the engine casing comprises at least one air inlet orifice and at least one air delivery orifice. Advantageously, the at least one air inlet port is provided on the front casing part, and the at least one air discharge port is provided on the rear casing part.

According to one embodiment of the invention, the waste separation device extends along an axis of extension which is substantially parallel to the motor axis.

According to one embodiment of the invention, the waste separation device is of the cyclonic type.

According to one embodiment of the invention, the waste separation device is removably mounted on the main casing.

According to one embodiment of the invention, the vacuum cleaner comprises a control member which can be actuated by a user; an activation member which is operable by a user; and an electronic control unit which is configured to control the operation of the fan motor according to a first operating mode when the control member is actuated by a user and to control the operation of the fan motor according to a second operating mode when the activation member is actuated by a user, the electronic control unit being configured such that a maximum rotational speed of the motor-fan in the second operating mode is greater than a maximum rotational speed of the motorbike - fan in the first mode of operation.

According to one embodiment of the invention, the electronic control unit comprises an electronic card equipped with a first contact and a second contact, the control member being configured to activate the first contact when the control member is actuated by a user, and the activation member being configured to activate the second contact when the activation device is actuated by a user.

According to one embodiment of the invention, the electronic card is placed in the grip handle. More precisely, the second branch of the first part of the housing and the primary branch of the second part of the housing form the gripping handle in which the electronic control board of the motor-fan is placed.

According to one embodiment of the invention, the control member and the activation member are arranged on the first part of the housing.

According to one embodiment of the invention, the control member is arranged on the gripping handle.

According to one embodiment of the invention, the activation member is arranged opposite the control member.

According to one embodiment of the invention, the vacuum cleaner is a portable vacuum cleaner.

Brief description of the figures

• [Fig 1] est une vue en perspective d'un aspirateur portatif selon l'invention.
• [Fig 2] est une vue de côté de l'aspirateur portatif de la figure 1.
• [Fig 3] est une vue partielle éclatée et de côté de l'aspirateur portatif de la figure 1.
• [Fig 4] est une vue partielle éclatée et de côté de l'aspirateur portatif de la figure 1 montrant schématiquement une forme en Y et une forme en V respectivement d'une première partie de carter et d'une deuxième partie de carter d'un carter principal de l'aspirateur portatif.
• [Fig 5] est une vue en coupe longitudinale de l'aspirateur portatif de la figure 1.
• [Fig 6] est une vue en perspective de la première partie de carter du carter principal de l'aspirateur portatif de la figure 1.
• [Fig 7] est une vue en perspective de dessus de la première partie de carter de la figure 6.
• [Fig 8] est une vue en perspective de dessous de la première partie de carter de la figure 6.
• [Fig 9] est une vue en perspective de la deuxième partie de carter du carter principal de l'aspirateur portatif de la figure 1.
• [Fig 10] est une vue à l'échelle agrandie d'un détail de la figure 5.
• [Fig 11] est une vue partielle en perspective tronquée de l'aspirateur portatif de la figure 1.

The invention will be clearly understood with the aid of the description which follows with reference to the appended schematic drawings showing, by way of nonlimiting examples, one embodiment of this vacuum cleaner.

• [ Fig 1 ] is a perspective view of a portable vacuum cleaner according to the invention.
• [ Fig 2 ] is a side view of the handheld vacuum cleaner from the figure 1 .
• [ Fig 3 ] is a partial exploded side view of the portable vacuum cleaner from the figure 1 .
• [ Fig 4 ] is a partial exploded side view of the portable vacuum cleaner from the figure 1 schematically showing a Y-shape and a V-shape respectively of a first housing part and a second housing part of a housing main of the portable vacuum cleaner.
• [ Fig 5 ] is a longitudinal sectional view of the portable vacuum cleaner of the figure 1 .
• [ Fig 6 ] is a perspective view of the first housing part of the main housing of the portable vacuum cleaner of the figure 1 .
• [ Fig 7 ] is a perspective view from above of the first housing part of the figure 6 .
• [ Fig 8 ] is a perspective view from below of the first housing part of the figure 6 .
• [ Fig 9 ] is a perspective view of the second housing part of the main housing of the portable vacuum cleaner of the figure 1 .
• [ Fig 10 ] is an enlarged scale view of a detail of the figure 5 .
• [ Fig 11 ] is a partial cutaway perspective view of the portable vacuum cleaner in the figure 1 .

detailed description

The figures 1 to 11 represent a vacuum cleaner 2 which is portable. The vacuum cleaner 2 comprises a main casing 3, a suction duct 4 which is housed in the main casing 3 and which extends along a longitudinal axis A, a waste separation device 5 which is removably mounted on the main housing 3 and which is fluidly connected to the suction duct 4, and a suction device 6 which is housed in the main housing 3. The vacuum cleaner 2 further comprises a gripping handle 7 comprising a central longitudinal axis B which is inclined relative to the longitudinal axis A of the suction duct 4.

The waste separation device 5 is advantageously of the cyclonic type, and comprises in particular a waste storage container 8, and a separator filter (not visible in the figures) housed in the waste storage container 8. The waste storage container waste 8 more particularly comprises an air inlet opening which is fluidly connected to the suction duct 4, and an air outlet opening.

As shown on the figure 11 , the suction device 6 comprises a motor casing 11 which is fixed to the main casing 3, and a motor-fan 12 arranged in the motor casing 11. In known manner, the motor-fan 12 comprises a fan 13 and a electric motor 14 configured to drive the fan 13 in rotation. The motorized fan 12 is more particularly configured to generate an air flow through the suction duct 4 and the waste separation device 5. Advantageously, the motor-fan 12 is located behind the median longitudinal axis B of the gripping handle 7.

The engine casing 11 comprises a rear casing part 11.1 and a front casing part 11.2 fixed to each other, for example by screwing. Advantageously, the engine casing 11 comprises one or more air inlet openings 15 provided on the front casing part 11.2, and one or more air delivery openings 16 provided on the rear casing part 11.1. The air inlet orifices 15 of the suction device 6 are connected to the air outlet opening of the waste separation device 5 directly or by means of a connecting pipe.

According to the embodiment shown in the figures, the waste separation device 5 extends along an extension axis C, and the motor-fan 12 extends along a motor axis D which is substantially parallel to the extension axis C, and which can be coincident with the extension axis C. Advantageously, the longitudinal axis A of the suction duct 4 extends substantially parallel to the motor axis D.

The vacuum cleaner 2 further comprises a rechargeable battery 17 configured to supply electrically the motor-fan 12. The rechargeable battery 17 is advantageously housed in a battery box 18 connected to the gripping handle 7, and more particularly to a lower part of the vacuum cleaner. the gripping handle 7. Advantageously, the main casing 3 comprises an upright 19 which extends substantially parallel to the gripping handle 7 and between the battery box 18 and the main casing 3.

Advantageously, the vacuum cleaner 2 also comprises a sleeve of connection 21 fluidly connected to the suction duct 4 and to which can be connected an end piece of a suction tube, which can itself be connected to a suction head provided with a sole intended to be oriented towards the ground to clean.

The vacuum cleaner 2 further comprises an electronic control unit 22 which is configured to control the operation of the motor-fan 12 according to a first operating mode, also called normal operating mode, in which the motor-fan 12 is driven in rotation. at a first rotational speed, and to control the operation of the fan motor 12 according to a second operating mode, also called enhanced operating mode, in which the fan motor 12 is rotated at a second rotational speed which is greater than the first speed of rotation. Thus, according to the second operating mode, the negative pressure generated in the suction duct 4 is greater than the negative pressure generated in the latter when the motor-fan 12 operates according to the first operating mode.

In order to be able to control the operation of the motor-fan 12 according to the two aforementioned operating modes, the vacuum cleaner 2 comprises a control member 23 which is advantageously arranged on an upper part of the gripping handle 7 and which can be actuated by a user , and an activation member 24 which is arranged opposite the control member 23 and which can also be actuated by a user. The control member 23 can for example be a control trigger or a control button, and the activation member 24 can for example be an activation trigger or an activation button.

According to the embodiment shown in the figures, the control member 23 and the activation member 24 are configured so as to be able to be actuated by the same finger of a user when the user maintains the gripping handle 7. Advantageously, the control member 23 is configured to be actuated by a user by pulling the control member 23 towards the gripping handle 7, and the activation member 24 is configured to be. actuated by a user by pulling the activation member 24 towards the gripping handle 7.

According to the embodiment shown in the figures, the control member 23 and the activation member 24 are located substantially in a reference plane which is defined by the longitudinal axis A of the suction duct 4 and the median longitudinal axis B of the grip 7, and which for example forms a median longitudinal plane of the vacuum cleaner 2.

According to the embodiment shown in the figures, the electronic control unit 22 comprises an electronic card 25 which is arranged in the gripping handle 7 and which is equipped with a first contact 26 and a second contact 27. L the controller 23 is configured to activate the first contact 26 when the controller 23 is actuated by a user, and the activation member 24 is configured to activate the second contact 27 when the activation member 24 is operated by a user. Each of the first and second contacts 26, 27 can be an electromechanical contact, such as a switch, and for example a microswitch.

The electronic control unit 22 is more particularly configured to control the operation of the motor-fan 12 according to the first operating mode when the control member 23 is actuated by a user, and to control the operation of the motor-fan 12 according to the second mode of operation when the activation member 24 is actuated by a user.

• une première partie de carter 28 étant avantageusement réalisée en une seule pièce et comprenant une première branche 29 dans laquelle est logé le conduit d'aspiration 4, une deuxième branche 31 formant une partie avant de la poignée de préhension 7, et une troisième branche 32 qui définit partiellement une chambre de réception 33 dans laquelle est logé le dispositif d'aspiration 6 et qui entoure avantageusement au moins partiellement le moteur électrique 14 du moto-ventilateur 12, et
• une deuxième partie de carter 34 disposée dans une partie arrière de l'aspirateur 2, la deuxième partie de carter 34 étant avantageusement réalisée en une seule pièce et comportant une branche primaire 35 formant une partie arrière de la poignée de préhension 7 et une branche secondaire 36 définissant partiellement la chambre de réception 33 dans laquelle est logé le dispositif d'aspiration 6.

As shown more particularly on figures 3 and 6 to 9 , the main housing 3 comprises:

• a first housing part 28 being advantageously made in one piece and comprising a first branch 29 in which the suction duct 4 is housed, a second branch 31 forming a front part of the gripping handle 7, and a third branch 32 which partially defines a receiving chamber 33 in which the suction device 6 is housed and which advantageously at least partially surrounds the electric motor 14 of the fan motor 12, and
• a second housing part 34 disposed in a rear part of the vacuum cleaner 2, the second housing part 34 being advantageously made in one piece and comprising a primary branch 35 forming a rear part of the gripping handle 7 and a secondary branch 36 partially defining the receiving chamber 33 in which the suction device 6 is housed.

The suction duct 4 may be fully or partially formed by a suction pipe housed in the first branch 29, or be partially or fully formed by the first branch 29 of the first part of the housing 28.

According to the embodiment shown in the figures, the primary and secondary branches 35, 36 of the second housing part 34 are respectively complementary to the second and third branches 31, 32 of the first housing part 28. Advantageously and as shown more particularly on figures 3 and 4 , the first, second and third branches 29, 31, 32 of the first housing part 28 form a Y, and the primary and secondary branches 35, 36 of the second housing part 34 form a V. The second and third branches 31 , 32 of the first casing part 28 more particularly form a V. Advantageously, the V-shape of the second casing part 34 is disposed between the second and third branches 31, 32 of the first casing part 28 and the shape in V of the second housing part 34 is complementary to the V-shape formed by the second and third branches 31, 32 of the first housing part 28.

According to the embodiment shown in the figures, the primary branch 35 of the second housing part 34 is fixed, for example by screwing, to the second branch 31 of the first housing part 28, while the secondary branch 36 of the second housing part 34 is fixed, for example by screwing, to the third branch 32 of the first housing part 28. Advantageously, the primary and secondary branches 35, 36 of the second part housing 34 are inclined relative to each other by an angle of inclination of between 80 and 100 °, and the second and third branches 31, 32 of the first housing part 28 are also inclined one relative to the other by an angle of inclination of between 80 and 100 °.

According to the embodiment shown in the figures, the first and second branch 29, 31 of the first housing part 28 are inclined with respect to each other by an inclination angle of between 110 and 140 °, preferably between 120 ° and 130 °, and the third branch 32 of the first part of the housing 28 forms a loop with at its center an opening emerging in a direction which is substantially parallel to the median longitudinal axis B of the gripping handle 7.

According to the embodiment shown in the figures, the secondary branch 36 of the second housing part 34 has a lower surface 37 which is raised towards the rear of the main housing 3 so that the lower surface 37 extends towards the bottom. 'rear by approaching the motor axis D of the fan motor 12 and moving away from the longitudinal axis A of the suction duct 4. Advantageously, the lower surface 37 is substantially flat and is inclined by relative to the longitudinal axis A of the suction duct 4. The lower surface 37 can for example be inclined with respect to the longitudinal axis A of the suction duct 4 by an angle greater than 20 °, and the lower surface 37 may for example form an angle of between 80 and 100 ° relative to the median longitudinal axis B of the gripping handle 7. According to an alternative embodiment of the invention not shown in the figures, the lower surface 37 could however be bent.

Advantageously, the secondary branch 36 of the second housing part 34 comprises air exhaust ports 38 which are configured to allow a flow of air, flowing through the discharge port (s). air 16 from the suction device 6, to escape from the main housing 3.

Advantageously, the control member 23 and the activation member 24 are arranged on the first part of the housing 28.

According to the embodiment shown in the figures, the main casing 3 further comprises an additional casing part 39 which partially delimits the receiving chamber 33 and which is fixed to the third branch 32 of the first casing part 28. The part of additional casing 39 more particularly delimits an upper part of the receiving chamber 33, while the secondary branch 36 of the second casing part 34 delimits a lower part of the receiving chamber 33. Advantageously, the rear casing part 11.1 is fixed, for example by screwing, to the additional housing part 39.

According to the embodiment shown in the figures, the front casing part 11.2 is fixed, for example by screwing, to the first casing part 28, and for example to the first branch 29 of the first casing part 28.

Advantageously, the battery box 18 is fixed to one end of the second branch 31 of the first housing part 28 which is opposite the third branch 32, and the post 19 is provided on the first housing part 28.

The operation of the vacuum cleaner 2 will now be described. When the motor-fan 12 is electrically powered, it establishes a vacuum, in particular in the waste separation device 5 so that air and waste are drawn in through the suction duct 4. The air laden with waste then enters the waste storage container 8 via the air intake opening of the waste separation device 5 which can for example open tangentially into the waste storage container 8. The air is thus rotated and the waste is centrifuged to the outside and this waste is collected by the waste storage container 8.

The air flow then flows successively through the air outlet opening of the waste separation device 5, the air inlet port (s) 15 of the suction device 6 and the port (s) air discharge valve 16 of the suction device 6. Then, the air flow escapes out of the main housing 3 through air exhaust ports 38 provided on the latter.

Of course, the present invention is in no way limited to the embodiment described and illustrated which has been given only by way of example. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Claims (15)

Vacuum cleaner (2) comprising a suction duct (4); a waste separation device (5) fluidly connected to the suction duct (4); a main housing (3) in which is housed a suction device (6) comprising a motor-fan (12) which extends along a motor axis (D) and which is configured to generate an air flow at the through the suction duct (4) and the waste separation device (5); and a gripping handle (7), characterized in that the main housing (3) comprises: - a first housing part (28) comprising a first branch (29) in which the suction duct (4) is housed, a second branch (31) forming a front part of the gripping handle (7) and a third branch (32) at least partially defining a receiving chamber (33) in which the suction device (6) is housed, and - a second housing part (34) arranged in a rear part of the vacuum cleaner, the second housing part (34) comprising a primary branch (35) forming a rear part of the gripping handle (7) and a secondary branch (36) at least partially defining the receiving chamber (33) in which the suction device (6) is housed. A vacuum cleaner (2) according to claim 1, wherein the primary branch (35) of the second housing part (34) is fixed to the second branch (31) of the first housing part (28) to form the gripping handle (7). A vacuum cleaner (2) according to claim 1 or 2, wherein the secondary branch (36) of the second housing part (34) is fixed to the third branch (32) of the first housing part (28). A vacuum cleaner (2) according to any one of claims 1 to 3, wherein the gripping handle (7) comprises a median longitudinal axis (B) which is inclined with respect to a longitudinal axis (A) of the suction duct ( 4). A vacuum cleaner (2) according to claim 4, wherein the first, second and third branches (29, 31, 32) of the first housing part (28) form a Y. A vacuum cleaner (2) according to any one of claims 1 to 5, in which the primary and secondary branches (35, 36) of the second housing part (34) form a V. Vacuum cleaner (2) according to any one of claims 1 to 6, wherein the primary and secondary branches (35, 36) of the second housing part (34) are respectively complementary to the second and third branches (31, 32) of the first part of the housing (28). A vacuum cleaner (2) according to any one of claims 1 to 7, wherein the primary and secondary branches (35, 36) of the second housing part (34) are inclined relative to each other at a low angle. tilt angle between 80 and 100 °. A vacuum cleaner (2) according to any one of claims 1 to 8, wherein the first housing part (28) is made in one piece. A vacuum cleaner (2) according to any one of claims 1 to 9, in which the second housing part (34) is made in one piece. A vacuum cleaner (2) according to any one of claims 1 to 10, in which the third branch (32) of the first housing part (28) at least partially surrounds an electric motor (14) of the fan motor (12). A vacuum cleaner (2) according to any one of claims 1 to 11, wherein the third branch (32) of the first housing part (28) forms a loop with at its center a through opening in a direction which is substantially parallel to a median longitudinal axis (B) of the grip handle (7). A vacuum cleaner (2) according to any one of claims 1 to 12, which comprises a battery box (18) in which a rechargeable battery (17) is housed, the battery box (18) being attached to a lower end of the battery. grip handle (7). A vacuum cleaner (2) according to claim 13, wherein the battery box (18) is attached to one end of the second leg (31) of the first housing part (28) which is opposite the third leg (32). A vacuum cleaner (2) according to any one of claims 1 to 14, which is a portable vacuum cleaner.

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