EP3409161A1 - Vacuum cleaner with a combined electrical and mechanical locking device - Google Patents

Abstract

A hand-held battery operated vacuum cleaner comprising a vacuum cleaner main assembly and an insert removable and reusable from the vacuum cleaner, the insert having one or more electrical supply contacts (15), the vacuum cleaner main assembly having one or more electrical contact countercontacts (15); e) (16) which can electrically contact the corresponding supply contact (s) (15) of the insert when the insert is inserted in the vacuum cleaner, and the vacuum cleaner has an actuating device (10), by the actuation of which the insert ( 8) can be released from the vacuum cleaner main assembly, wherein by the actuation of the actuating device (10) and the electrically conductive contact between the or at least one of the supply contact (15) and a corresponding supply counter contact (16) can be solved. The invention enables reliable electrical contact and is simple and space-saving.

Description

Field of the invention

The invention relates to a hand-held battery-powered vacuum cleaner comprising a vacuum cleaner main assembly and removable from the vacuum cleaner insert and reusable insert, the use of electrical supply contacts, the vacuum cleaner main assembly electrical supply counter contacts, the electrically inserted in the vacuum cleaner insert the respective corresponding supply contacts of the insert contact, and the vacuum cleaner has an actuator, by the actuation of the insert can be solved by the vacuum cleaner main assembly having.

Background of the invention

The international publication WO 2014/174 248 A1 discloses a vacuum cleaner with a separation device, which has an intake to which cleaning tools can be connected, has. A connecting end of the intake manifold includes a pipe wall as a fluid passage and an electrical connector. The separator is detachably connected to a main body of the vacuum cleaner. On the upper outside of the intake manifold, a contact is freely accessible, which can contact a spring-loaded corresponding contact in the front part of the main body of the vacuum cleaner.

From the European Patent Application Publication EP 2 77 927 A2 is a locking device for a hinged over a hinge cover of a vacuum cleaner known. The locking means includes a pawl which cooperates with a complementary locking means to lock the cover in the closed position.

In addition, the pawl is provided with electrical contact means which abut during the wear of the cover to resilient corresponding contact means to close an electrical circuit. To open the cover, the pawl is moved by means of a lever, whereby the pawl releases.

From the post-published international publication WO 2017/177 318 A1 a hand vacuum cleaner is known which consists of two components, a main body and a cyclone unit. To the cyclone unit, a tool can be attached to the electrical supply to the cyclone unit electrical contacts are provided. These are set up and arranged such that at least one of the contacts is de-energized when the tool is not attached. The contacts are also connected via suitable means to a power source located on the main body.

The Japanese patent application JP 2002-85297 A discloses a vacuum cleaner with a receptacle for an extension tube. Also attached to the receptacle is a contact plate which can contact a connection terminal of the extension tube.

The problem underlying the invention

It is an object of the present invention to provide an improved vacuum cleaner of the type comprising a vacuum cleaner main assembly and an insert removable and replaceable from the vacuum cleaner, the insert having electrical supply contacts and the vacuum cleaner main assembly having electrical supply mating contacts and wherein the vacuum cleaner comprises an actuator the operation of which can be solved by the use of the vacuum cleaner main assembly. In particular, the handling safety of the vacuum cleaner is to be improved by the invention. In addition, a reliable electrical contact between supply contact and supply mating contact to be ensured, even with mechanical stress on the insert relative to the vacuum cleaner main assembly. The construction should be simple and space saving.

Inventive solution

The reference numbers in all claims have no limiting effect, but are only intended to improve their readability.

The vacuum cleaner comprises a vacuum cleaner main assembly and a removable and reusable from the vacuum cleaner insert, the use at least one, preferably more, particularly preferably two supply contact ( e), the vacuum cleaner main assembly at least one, preferably more, especially preferably two electrical Gegengegenkontakt (e), the or can be used in electrically inserted into the vacuum cleaner insert or contact each corresponding supply contact (e) of the insert, and the vacuum cleaner an actuator, by the actuation of the insert can be solved by the vacuum cleaner main assembly has. By actuating the actuating device, the current-conducting contact between the or at least one of the supply contact (s) and the respective corresponding countercurrent contact (s) can also be achieved.

A vacuum cleaner in the sense of the present invention is a device that can generate a suction air stream that acts on an object, usually a surface, to pick up particles, such as dirt or dust particles, but also liquids, from the object in which they are detected by the suction air flow and entrained (also referred to as "suction"). Advantageously, a vacuum cleaner can achieve such a cleaning effect. The vacuum cleaner is usually equipped with a suction fan for generating the suction air flow, wherein a suction port of the vacuum cleaner is in flow communication with the suction side of the suction fan. The suction port is typically designed so that it can be passed over the object to be cleaned in order to suck the particles, for example dust or dirt. The suction fan is usually in fluid communication with the centrifugal separator. Dirt particles taken up by the suction air flow can be collected in the dust collecting tank.

For the purposes of the present invention, a "hand-held vacuum cleaner" is a vacuum cleaner that is designed not only for use with a suction tube or suction hose connecting a suction air inlet of the vacuum cleaner to a floor cleaning floor nozzle, but also or even designed exclusively for use without such a suction tube or such a suction hose, for example, to clean furniture. However, for the purposes of the present invention, the group of hand-held vacuum cleaners also includes vacuum cleaners which, in addition to the abovementioned possibilities, can also be operated with a suction pipe or a suction hose and a floor nozzle which can be connected to the suction pipe or the suction hose for cleaning a floor. When using a suction tube, the user moves the hand-held vacuum cleaner with the attached suction pipe and the attached floor nozzle on the floor to be cleaned area.

In a preferred hand-held vacuum cleaner in the intended operation with suction or suction hose and connectable to the suction pipe or suction hose floor nozzle, the components motor, blower and Staubabscheidevorrichtung in the upper half, particularly preferably in the upper third of the distance from the floor nozzle to arranged a handle of the vacuum cleaner.

The hand-held vacuum cleaner, due to its compact dimensions and light weight, is suitable for being comfortably held and carried in the hand, preferably with only one hand. Particularly preferably, the weight is less than 2 kg, more preferably less than 1.5 kg, each without an accumulator. Its preferred length from the handle to the air inlet without attached suction hose or suction tube is less than 60 cm, more preferably less than 50 cm.

"Battery operated" should be understood that the vacuum cleaner is equipped with an electric accumulator, with which the vacuum cleaner can be operated without further power supply. This does not exclude that the vacuum cleaner can be operated additionally or alternatively via a power supply line, such as when the accumulator is exhausted, or during charging of the accumulator. With the Accumulator operation is advantageously achievable that the freedom of movement of the vacuum cleaner is no longer limited by a cable for the power supply of the vacuum cleaner. The preferred hand-held vacuum cleaner is a "regular size battery-operated vacuum cleaner" according to the February 2017 draft of DIN EN 62885-4.

In the context of the present invention, by "releasing" the insert from the vacuum cleaner main assembly, it is meant transitioning from a state in which the insert is locked in the vacuum cleaner to a condition in which the insert can be taken out of the vacuum cleaner. The step of loosening in the sense of the present invention thus does not necessarily include the removal of the insert, for the invention also includes such embodiments in which the use in the released state is still prevented by a further means of removal. Also, the actuator for releasing the insert is usually different from any tools, such as a handle, for removing the insert from the vacuum cleaner.

"Conductive" in the context of contacting or bonding means that current may flow between the contacted or connected components due to contacting or bonding. A supply contact and a supply counter contact "correspond" if it is provided that they can contact each other in an electrically conductive manner. A contact is "solved" in the sense of the present invention, when no current can flow between the separated components.

Characterized in that already by the actuation of the actuating device and the current-conducting contact between at least one of the supply contacts and a corresponding supply counter contact is solved, and not, for example, only when removing the insert from the vacuum cleaner, the handling safety can be improved. Furthermore, the actuator's ability to be designed for reliable mechanical fixation of the insert to the vacuum cleaner main assembly can also be exploited to also provide reliable electrical contact between the supply contact (s) and supply mating contact (s). With the invention is particularly achievable that with mechanical loading of the insert relative to the vacuum cleaner main assembly not only the mechanical locking but also the electrical contact are still ensured. The invention also allows, as exemplified below, a simple and space-saving design with regard to the attachment of the supply and Versorgungsgegenkontakte and the cable or conductor tracks that connect to the supply and Versorgungsgegenkontakte.

Preferred embodiments of the invention

Advantageous embodiments and developments, which can be used individually or in combination with each other, are the subject of the dependent claims and the description below.

The preferred insert is equipped with a suction nozzle for connecting a suction nozzle, a suction pipe, or a suction hose, of which the suction pipe or the suction hose are each in turn provided for the connection of a suction nozzle. A preferred suction nozzle has, in addition to a suction for suction, other tools, such as fixed or movable, preferably rotating, brushes.

The preferred suction nozzle has an electrical connection for operating an electrical device of the suction nozzle. The preferred suction nozzle has an electrical connection corresponding to the electrical connection of the suction nozzle in order to supply the suction nozzle with electricity. A preferred suction nozzle has at least one of the following electrical components: a brush, a motor, preferably a motor-driven, a lighting, a dust sensor, a sensor for determining a surface finish of a surface machined with the nozzle.

Preferably, at least one electrical supply contact of the insert is electrically conductively connected to the electrical connection of the suction nozzle, for example by conductor tracks or cables. In this way, the electrical current from the supply contact without great design effort directly to the electrical connection get the insert. The current-conducting connection between supply contact (s) and electrical connection is preferably permanent.

In a preferred embodiment of the invention, at least one of the supply contacts or at least one of the supply counter contacts so operatively connected to the actuating device, that it from a contact position in which the supply contact or the counter-supply contact the corresponding supply counter contact or supply contact electrically conductively contacted, in an open position in the electrically conductive contact between the supply contact or supply counter contact and the corresponding supply counter contact or supply contact is dissolved, is moved when the actuating device is actuated. Particularly preferably, all supply contacts or all countercontact contacts are operatively connected to the actuating device in such a way that they contact the corresponding supply counter contacts or supply contacts in an open position in which the current-conducting contact between the supply contacts or supply counter contacts and the corresponding contacts contacts the supply contacts or supply counter contacts Supply counter contacts or supply contacts is solved to be moved when the actuator is actuated.

Alternatively or additionally, the release of the current-conducting contact can also be realized by a movable separating element. In a preferred embodiment of the invention, at least one separating element is functionally connected to the actuating device such that it can be brought from a contact position, in which at least one supply contact the corresponding supply mating contact electrically conductive, in a disconnected position in which the separating element from the supply contact and the supply counter contact from each other disconnects when the actuator is actuated to release the current-conducting contact between the supply contact and the supply counter contact. Particularly preferably all supply contacts can be separated by the one or more separating elements of all supply counter contacts.

Preferably, at least one of the supply contacts, more preferably all supply contacts, or at least one of the supply counter contacts, particularly preferably all supply counter contacts, arranged on the actuating element. In this way, advantageously, a movement of the actuating element can be converted directly into a movement of the supply or the supply counter contacts. Thus, this embodiment of the invention allows a particularly simple and reliable construction. By this embodiment of the invention is also achievable that even with a load of the insert relative to the vacuum cleaner main assembly is a secure electrical contact as long as the insert is mechanically locked in the vacuum cleaner main assembly.

In a preferred embodiment of the invention, at least one of the supply contacts, particularly preferably all supply contacts, or at least one of the supply counter contacts, particularly preferably all supply counter contacts, as spring contact (s) or resiliently mounted, for example, on the actuating element or on the vacuum cleaner main assembly resiliently mounted executed , With this embodiment of the invention is advantageously achieved that supply contact (e) or supply counter contact (e) in the direction of corresponding supply counter or supply contact (e) can be biased. In this way, a particularly secure contact can be ensured. The invention also includes embodiments in which both one or more supply contacts and one or more supply counter-contacts are designed as spring contacts and / or spring-mounted. While the invention also includes embodiments in which both a supply contact and the corresponding supply contact are a spring contact or a spring-mounted contact, it is particularly preferred that the contact corresponding to the spring contact or the spring-mounted contact is not resilient but rigid to the vacuum cleaner main assembly or the insert is arranged. Advantageously, thereby simplify the construction and still produce a sufficiently secure contact.

The preferred actuator is configured and arranged on the vacuum cleaner to move linearly in an actuation direction upon actuation. In this case, this actuating direction is particularly preferably also a direction in which supply and supply counter contacts are brought together or disconnected.

Alternatively, the actuator may be rotatable and disposed on the vacuum cleaner so that it is rotated or pivoted upon actuation.

Preferably, the actuating element is acted upon in the direction opposite to the actuating direction with a spring element, for example a coil spring, a spiral spring, a leaf spring or a compressible rubber-elastic element. Advantageously, the spring element can hold or bias the actuating device in its non-actuated position. In particular, it may help that the insert remains in the locked position relative to the vacuum cleaner main assembly even under load and / or the electrical contact is not released in this case. Preferably, the spring force of the spring element acts in the same direction as that of the spring contact or the resilient mounting of at least one, preferably all, supply contacts or at least one, preferably all, supply counter contacts. In this way, the effect of the latter contacts can be strengthened, so that the contact security can be further increased.

In a preferred embodiment of the invention, the actuating element arranged on one of the two assemblies vacuum cleaner main assembly and insert is functionally connected to a latch. In this case, the bolt is in the non-actuated state of the actuating element in a blocking position in which it cooperates with a stop on the other of the two groups vacuum cleaner main assembly and use such blocking that the vacuum cleaner main assembly and the insert are not separable from each other. On the other hand, the bolt is in the actuated state of the actuating element in an open position in which it no longer cooperating with the stop, so that the vacuum cleaner main assembly and use can be separated from each other.

The preferred latch is firmly connected to the actuator. This allows a particularly simple construction. In particular, bolt and actuator can be integrally formed. The bolt may be, for example, a projection attached to the actuator, which can engage behind the stop.

The preferred actuator is disposed on the insert. In this way, a particularly obvious placement of the actuator is possible. Indeed For example, the invention also includes embodiments wherein the actuator is disposed on the vacuum cleaner main assembly.

The preferred use is a centrifugal separator or includes a centrifugal separator. The preferred centrifugal separator includes a separator and a dust collector. The vacuum cleaner main assembly preferably includes one or more of the following: a motor-blower unit, a handle, a switch for turning on and off the motor-blower unit, and an electric accumulator.

The suction nozzle is preferably substantially tubular, wherein the longitudinal axis of the tube is particularly preferably substantially perpendicular to the orientation of the insert. It is an achievable advantage of this embodiment of the invention that the suction nozzle can be used as a handle to handle the insert. In particular, the suction nozzle can be used as a handle for removing the insert from the vacuum cleaner when the insert is detached from the vacuum cleaner.

It is particularly preferred that the actuating element is arranged on the suction nozzle - preferably not more than 7 cm, particularly preferably not more than 5 cm, particularly preferably not more than 3 cm, particularly preferably not more than 1 cm from the end of the suction nozzle, which is adjacent to the insert. Alternatively, the actuator may not be at the suction port but not more than 7 cm, more preferably not more than 5 cm, more preferably not more than 3 cm, more preferably not more than 1 cm from the end of the nozzle adjacent to the insert be arranged at a distance. With this embodiment of the invention is advantageously achievable that the actuating element with a hand which engages the suction nozzle to handle the insert, can be operated, particularly preferably with a finger of this hand. In other words, the same hand used to release the insert from the vacuum cleaner by means of the actuator may also be used to manipulate the released insert to remove it from the vacuum cleaner. This can allow a particularly simple removal of the insert from the vacuum cleaner.

A preferred actuator is in the upper or in the left region of the nozzle arranged. In this case, the upper region means the region of an upper half-shell, if one imagines the suction nozzle along its longitudinal extension in the middle divided by an intended in the operation of the vacuum cleaner substantially horizontal sectional plane in two half-shells. The left-hand area means the area of a half-shell of the suction nozzle which is on the left in view of the suction nozzle, if the suction nozzle along its longitudinal extent is centered in the intended operation of the vacuum cleaner by an imaginary cutting plane in two half-shells running vertically in the case of intended operation of the vacuum cleaner shared presented. In this way, it can be advantageously achieved that the actuating element can be actuated with the thumb of a hand comprising the suction nozzle. In particular, it can be achieved that the actuating element can be easily operated with the thumb of a right hand, which includes the suction nozzle.

In a preferred embodiment of the invention, the suction nozzle is arranged at medium height or above the center of the removable insert. The term "center" refers to the vertical orientation of the insert. By this embodiment of the invention can be advantageously avoided that the insert is accidentally rotated during or after removal from the vacuum cleaner to the axis of the suction and emptied in this way unintentionally. Particularly preferably, the suction nozzle is arranged in relation to the orientation of the insert in the intended use above the dust collecting container.

A preferred suction port has a circumference of less than 30 cm at at least one location at a distance of less than 7 cm from the actuator. More preferably, the suction port at a location at a distance of less than 5 cm, more preferably less than 3 cm, more preferably less than 1 cm from the actuator has a circumference of less than 25 cm, more preferably less than 20 cm. With this embodiment of the invention is advantageously achievable that the suction at a point from which the actuator with a finger of the hand is easy to reach, can be conveniently embraced.

The invention also includes embodiments in which a handle is attached to the insert is arranged, which is not an intake. In such an embodiment of the invention, the actuator is preferably spaced from this handle - more preferably no more than 7 cm from the end of the handle adjacent the insert. Alternatively, the actuator is not spaced from the handle but also not more than 7 cm from the end of the handle adjacent the insert. More preferably, the actuator is not more than 5 cm, more preferably not more than 3 cm, more preferably not more than 1 cm from the end of the handle adjacent the insert. With this embodiment of the invention is advantageously achieved that the actuating element by hand, particularly preferably with a finger of the hand, which acts on the handle, can be actuated.

In a preferred embodiment of the invention, the actuating element is ready to operate at least in the off state of the vacuum cleaner. Thus, "off state" means the state in which the suction fan of the vacuum cleaner is not in operation. "Operational" means that the actuator can be actuated to release the insert to remove it from the vacuum cleaner. In one embodiment of the invention, the actuating element actuated only in the off state of the vacuum cleaner. In this way, accidental removal of the centrifugal separator from the vacuum cleaner during its operation can be avoided.

Preferably, the insert by a tilting movement of the suction nozzle, particularly preferably contrary to the intended flow direction of the suction air, can be removed from the vacuum cleaner. Particularly preferably, the tilting movement takes place about a pivot point which lies on one side of the insert, which is opposite to the side on which the suction nozzle is mounted.

The tilting movement preferably takes place around a releasable joint which consists of a first coupling element which is arranged on the insert and a second coupling element which can be connected to the first coupling element and which is arranged on the vacuum cleaner main assembly, preferably a part which has an engine fan. Unit and an electric accumulator for driving the motor-blower unit of the vacuum cleaner, instead. Preferably, these two coupling element elements are formed so that they are in the vacuum cleaner arranged, non-tilted state of the insert can not be separated from each other, but can be brought by tilting the insert relative to the vacuum cleaner main assembly in a release position in which they can be separated from each other to remove the insert from the vacuum cleaner.

According to an advantageous embodiment of the invention, the first coupling element comprises a shell or a pin. An axis of the pin defines the pivot axis about which the insert is pivotally mounted against the other part of the vacuum cleaner. Thus, a particularly simple and robust joint can be formed, which allows easy pivoting, separating and merging.

Brief description of the drawings

Further advantageous embodiments will be described in more detail below with reference to several embodiments illustrated in the drawings, to which the invention is not limited.

Figur 1a

einen erfindungsgemäßen Staubsauger in Seitenansicht;

Figur 1b

den Staubsauger aus Figur 1a in perspektivischer Ansicht von links oben;

Figur 2

den Staubsauger der vorgenannten Figuren in einem Längsquerschnitt durch eine vertikale Schnittebene mit eingesetztem und in dem Staubsauger verankertem Einsatz in Form eines Fliehkraftabscheiders;

Figur 3

einen Ausschnitt aus Figur 2, der das Betätigungselement in verriegelter Stellung vergrößert darstellt;

Figur 4

den gleichen Ausschnitt wie Figur 3, wobei sich das Betätigungselement diesmal in gelöster Stellung befindet;

Figur 5

die gleiche Querschnittsansicht wie in Figur 2, diesmal jedoch mit gelöstem und gekipptem Einsatz;

Figur 6

einen Ausschnitt aus Figur 5, der die Betätigungselement vergrößert darstellt;

Figur 7

eine perspektivische teilweise Schnittansicht des Staubsaugers in der bereits in Figur 5 dargestellten Position;

Figur 8

den Fliehkraftabscheider mit eingesetztem Filter; und

Figur 9

den Fliehkraftabscheider in einer in Entleerstellung über einem Müllbehälter zur Aufnahme des in dem Fliehkraftabscheider entleerten Staubs.

It shows schematically:

FIG. 1a

a vacuum cleaner according to the invention in side view;

FIG. 1b

the vacuum cleaner off FIG. 1a in perspective view from top left;

FIG. 2

the vacuum cleaner of the aforementioned figures in a longitudinal cross-section through a vertical sectional plane with inserted and anchored in the vacuum cleaner insert in the form of a centrifugal separator;

FIG. 3

a section from FIG. 2 illustrating the actuating element enlarged in the locked position;

FIG. 4

the same section as FIG. 3 , wherein the actuating element is in the released position this time;

FIG. 5

the same cross-sectional view as in FIG. 2 but this time with a loose and tilted insert;

FIG. 6

a section from FIG. 5 representing the actuator enlarged;

FIG. 7

a perspective partial sectional view of the vacuum cleaner in the already in FIG. 5 position shown;

FIG. 8

the centrifugal separator with filter inserted; and

FIG. 9

the centrifugal separator in an emptying over a refuse container for receiving the emptied in the centrifugal dust.

Detailed description of embodiments of the invention

In the following description of preferred embodiments of the present invention, like reference characters designate like or similar components.

In the FIGS. 1a and 1b the vacuum cleaner 1 according to the invention is shown from the outside. The vacuum cleaner 1 has a handle 2 to be held in the hand can. In addition, a removable electric battery pack 3 is provided (shown in the figures only without the actual battery elements), which supplies a blower motor (not shown in the figures) of a motor-blower unit 4 of the vacuum cleaner with electricity. About a gun switch 5, the blower motor can be switched on and off. With a boost or turbo button 6, the fan motor can be operated temporarily with a particularly high speed. Below the motor-blower unit 4 is a blow-out opening 7 for the emerging from the motor-blower unit 4 suction air.

In addition, the vacuum cleaner on a general upright centrifugal separator 8 as an insert. This centrifugal separator 8 is arranged substantially parallel to the likewise upright motor-fan unit 4. At the centrifugal separator 8, in the upper region, a suction nozzle 9 is provided with the suction air can be fed into the centrifugal separator 8. The suction nozzle 9 is substantially tubular, wherein the longitudinal axis of the tube is perpendicular to the longitudinal axis of the centrifugal separator 8. At the end of the suction nozzle 9 facing away from the centrifugal separator 8 different suction nozzles (not shown) or a suction tube (also not shown) can be attached.

The vacuum cleaner 1 also has an actuating element 10, with which the centrifugal separator 8 can be released from the rest of the vacuum cleaner 1 in order to remove it from the rest of the vacuum cleaner 1. To the actuating element 10 is an in Figures 3 . 4 and 6 well recognizable latch 11 formed, which is located in the vacuum cleaner 1 inserted centrifugal separator 8 and at the same time non-actuated state of the actuating element 10 in a blocking position in which he interacts with a stop 12 on a cover component 13 of the vacuum cleaner main assembly so blocking that the centrifugal 8 can not be removed from the vacuum cleaner 1. In the actuated state of the actuating element 10, however, the latch 11 is in an open position in which he no longer interacts with the stopper 12 so that the centrifugal separator 8 can be removed from the vacuum cleaner 1.

The actuating element 10 is designed as a pushbutton, which moves linearly in actuation direction when actuated. It is biased by a spring element 14 in the form of a helical spring in the blocking position. If the actuating element against the force of the spring member 14 moves down, moves with it and the bolt 11 under the stop 12, whereby the centrifugal separator 8 is released to solve it from the vacuum cleaner 1 can.

The centrifugal separator 8 has, as in FIG. 8 can be seen, two supply contacts 15, and on the vacuum cleaner main assembly, two corresponding electrical supply mating contacts 16 are arranged, which can contact the respectively corresponding supply contacts 15 stromleitendend in locked in the vacuum cleaner 1 state of the centrifugal separator 8. The electrical supply contacts 15 are spring contacts which are fixedly arranged on the actuating element 20. On the other hand are the supply counter-contacts 16 are not resilient, but arranged rigidly on the vacuum cleaner main assembly and designed as flat contacts. The supply contacts 15 are biased in the locked state of the insert by their spring force against the supply counter-contacts 16 to ensure a secure contact. Between the supply contacts 15 is a centering lug 17 which engages in the vacuum cleaner 1 locked state of the centrifugal separator 8 in a corresponding recess (not shown) in the vacuum cleaner main assembly.

If the actuating element 10 is moved downward against the force of the spring element 14, the supply contacts 15 also move downwards, whereby the current-conducting contact between the supply contacts 15 and the corresponding supply counter-contacts 16 is released. As in the FIGS. 1a . 7 and 9 can be seen particularly well, the suction nozzle 9 is equipped with a two-pole electrical connection 18 for operating an electrical device of the suction nozzle. The electrical connection 18 is, more precisely, are poles, electrically connected to an electrical line, not shown in the figures in the form of a cable to the electrical supply contacts 15. In this way, with inserted and locked centrifugal separator 8 electrical current from the vacuum cleaner main assembly via the centrifugal separator 8 to an electrical device of the suction nozzle, which is attached to the suction nozzle 9, pass.

The actuating element 10 is arranged at the top of the suction nozzle 9, so that it can be reached with the thumb or another finger of the suction nozzle 9 comprehensive hand. As in FIG. 3 clearly visible, protrudes the button of the actuating element 10 in the non-actuated position from the plane of the suction nozzle 9 upwards. As a result, it can be avoided that it is accidentally already actuated when gripping the suction nozzle 9. This also contributes to a base 19 of the actuating element 10, which also protrudes from the plane of the suction nozzle surface.

To remove the centrifugal separator 8, this can be tilted about the axis of a joint with a hand embracing the suction nozzle 9. The tilted position is in FIG. 5 shown. The tilting takes place contrary to the intended Flow direction of the suction air. The joint and thus also the fulcrum are located on the suction port 9 opposite side of the centrifugal separator 8 in the lower region of the centrifugal separator 8 and the suction nozzle 9. The joint consists of a first coupling element which is arranged on the centrifugal separator, and a second connectable thereto Coupling element, which is located at the height of the exhaust opening 7 of the vacuum cleaner 1 adjacent to the centrifugal separator 8. The first coupling element is designed as a pin 20, the second as a shell 21 in the form of a cylindrical groove, in which the pin 20 comes to rest in the connected state of the two coupling elements.

When tilting the pin 20 is rotated about its longitudinal axis relative to the shell 21. In the tilted state of the centrifugal separator, the pin 20 can be lifted by lifting the pin 20 relative to the shell 21 of the shell 21 out to remove the centrifugal separator 8 from the vacuum cleaner 1. In the non-tilted state of the centrifugal separator 8, this is not possible because the cover component 13 of the vacuum cleaner prevents lifting of the pin 20 relative to the shell 21.

The centrifugal separator 8 comprises a separating device 22 and an underlying dust collecting container 23. In the separating device, a removable dust filter is provided. To empty the vacuum cleaner collecting tank, the filter 24 is first removed when the centrifugal separator is removed. Then the centrifugal separator 8 can also be rotated around the longitudinal axis of the suction nozzle 9 with the hand which engages it on the suction nozzle 9, so that the dust, as in FIG. 9 can be emptied through the opening of the centrifugal separator 9, for example, in a refuse container 25. Subsequently, the filter 24 can be used again in the centrifugal 9, and the centrifugal 9 can be recognized in tilted position, the vacuum cleaner main assembly, so that the pin 20 in the shell 21 engages. Now the centrifugal separator 8 can be moved back to its non-tilted position until the latch 11 has passed past the lower edge of the stopper 12 again into its blocking position and at the same time contact the supply contacts 15 their corresponding supply counter-contacts 16 electrically conductive, so that the vacuum cleaner 1 is ready for use again. The invention enables reliable electrical contact and is simple and space-saving.

The features disclosed in the foregoing description, the claims and the drawings may be of importance both individually and in any combination for the realization of the invention in its various embodiments.

LIST OF REFERENCE NUMBERS

1

vacuum cleaner

2

handle

3

Battery Pack

4

Motor-fan unit

5

gun switch

6

Boost or Turbo button

7

exhaust vent

8th

cyclone

9

suction

10

jig

11

bars

12

attack

13

cover component

14

spring element

15

supply contact

16

Supply counter contact

17

centering

18

Electrical connection

19

base

20

spigot

21

Bowl

22

separating

23

dust collection

24

filter

25

garbage Bin

Claims (13)

A hand-held battery operated vacuum cleaner (1) comprising a vacuum cleaner main assembly and an insert (8) removable and reusable from the vacuum cleaner (1), the insert (8) having one or more electrical contact contacts (15) , the vacuum cleaner main assembly one or more electrical Gegengegenkontakt (s) (16), the or the inserted in the vacuum cleaner (1) insert (8) or the corresponding supply contact (s) (15) of the insert (8) electrically conductive can, has, and the vacuum cleaner (1) an actuating device (10), by the actuation of the insert (8) can be solved by the vacuum cleaner main assembly, characterized in that by actuating the actuating device (10) and the electrically conductive Contact between the or at least one of the supply contact (s) (15) and a corresponding supply counter contact (16) can be solved. Hand-held battery operated vacuum cleaner (1) according to claim 1, characterized in that the insert (8) with a suction nozzle (9) for connecting a suction nozzle, a suction tube or a suction hose, of which the suction tube and the suction hose in turn for the Connection of a suction nozzle are provided, is equipped, the suction nozzle (9) has an electrical connection (18) for feeding an electrical device of the suction nozzle, and the at least one electrical supply contact (15) of the insert (8) electrically connected to the electrical connection (18) is. Hand-held battery-powered vacuum cleaner (1) according to claim 1 or 2, characterized in that at least one supply contact (15) or at least one supply counter-contact (16) is in operative connection with the actuating device (10) in such a way that it contacts a contact position, in FIG the supply contact (15) or supply counter contact (16) the corresponding supply counter contact (16) or supply contact (15) electrically conductively contacted, in an open position in which the current-conducting contact between the supply contact (15) and the corresponding supply counter-contact 16 is released, is moved when the actuating device (10) is actuated. Hand-held battery-powered vacuum cleaner (1) according to one of the preceding claims, characterized in that at least one supply contact (15) and / or at least one supply mating contact (16) is arranged on the actuating element. Hand-held battery operated vacuum cleaner (1) according to one of the preceding claims, characterized in that at least one supply contact (15) and / or at least one supply counter-contact (16) is a spring contact and / or is spring-mounted. A hand-held battery operated vacuum cleaner (1) according to any one of the preceding claims, characterized in that the actuator (10) is arranged and formed to move linearly in an actuating direction when actuated. Hand-held battery-powered vacuum cleaner (1) according to one of the preceding claims, characterized in that the actuating element (10) is acted upon in the direction opposite to the actuating direction with a spring element. Hand-held battery-powered vacuum cleaner (1) according to one of the preceding claims, characterized in that the actuating element (10) arranged on one of the two subassemblies of the vacuum cleaner main assembly and insert (8) is functionally connected to a bolt (11), wherein the bolt (11) in the non-actuated state of the actuating element (10) is in a blocking position in which it cooperates with a stop (12) on the other of the two groups vacuum cleaner main assembly and insert (8) such that the vacuum cleaner main assembly and the insert (8) are not separable from each other, and the bolt (11) in the actuated state of the Actuator (10) is in an open position in which he no longer locking with the stop (12) cooperates, so that the vacuum cleaner main assembly and insert (8) can be separated from each other. Hand-held battery operated vacuum cleaner (1) according to claim 8, characterized in that the latch is fixedly connected to the actuating element (10). Hand-held battery-operated vacuum cleaner (1) according to claim 8 or 9, characterized in that the actuating device (10) is arranged on the insert (8). Hand-held battery-operated vacuum cleaner (1) according to one of the preceding claims, characterized in that the insert (8) comprises a centrifugal separator (8). Hand-held, battery-operated vacuum cleaner (1) according to any one of the preceding claims, characterized in that the actuating device (10) is arranged on the suction nozzle (9) or not more than 7 cm from the end of the suction nozzle (9) attached to the suction nozzle (9) Centrifugal separator (8) adjacent, is spaced. Hand-held battery-powered vacuum cleaner (1) according to one of the preceding claims, characterized in that the dissolved centrifugal force can be removed by a tilting movement of the suction nozzle (9) against the intended flow direction of the suction air from the vacuum cleaner (1).

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