DE102005045658B3 - Floor sweeper has roller brush driven by electric motor and dust box mounted between them, swiveling lid being mounted on top of sweeper and sleeve for fitting handle pivoted on lid - Google Patents

Abstract

The floor sweeper has a roller brush which is driven by an electric motor. A dust box is mounted between these. A swiveling lid (55) is mounted on top of the sweeper and a sleeve (72) for fitting a handle (76) is pivoted on the lid.

Description

The The invention relates to a mobile sweeping device with a housing, in one over Gear means rotatable with an electric motor coupled brush roller is stored, wherein the housing the brush roller has adjacent a dirt inlet opening and in the case between the brush roller and the electric motor, a dirt collecting container is arranged, which has a top side, can be closed by a lid housing opening in the housing and the housing is removable.

Such sweeping devices can be moved along a surface to be cleaned, wherein dirt can be picked up by the brush roller passing through the dirt inlet opening of the housing and transferred to the dirt collecting container. From the patent GB 1 442 587 is such a sweeper known. If the dirt collection container to be emptied, the known sweeper must be placed on a substrate, and it can then be removed a housing cover or pivoted into an open position, so that in a subsequent step, the sealed with a container lid dirt collection container can be removed from the housing. In a rear housing portion, a handle is articulated in the known sweeping device to the housing, with the aid of which the sweeping device can be moved along the surface to be cleaned.

task The present invention is a mobile sweeper of the above so-called type such that it is easier to use in particular for removing the dirt collecting container has.

These Task is a mobile sweeper of the generic type according to the invention thereby solved, that the lid to the housing is articulated and on the lid a handle is pivotally supported, which is connectable with a handle for moving the sweeper along a surface to be cleaned.

To the Remove the dirt collector The lid can be swung out so that it is the top-side Housing opening releases and the dirt collector the housing can be removed. The user can hold the sweeper on the handle, which is pivotally mounted on the lid. So it is not necessary that sweeper Shut off on a substrate when the dirt collector is removed shall be. The handling of the sweeping device is simplified.

The Storage of the handle on the lid has as well As a result, the handle near the center of gravity of the sweeper with the housing connected is. Will be the sweeper when the lid is closed, it is raised on the handle oriented substantially horizontally, an unintentional pivoting movement of the housing is thereby avoided, and in particular it ensures that that when lifting the sweeper if the lid is closed, dirt from the dirt collecting container does not escape through the dirt inlet of the dirt collector housing can escape.

through of the handle held stalk, the sweeper can along the surface to be cleaned be moved. Since the stalk over the handle with the housing is connected and the handle in the area between the brush roller and the engine is pivotally held on the lid, the pushing force adjacent to the center of gravity of the sweeper introduced into the housing become. The leadership of the sweeping device along the surface to be cleaned is simplified. Furthermore Such a force application ensures that the sweeper no Rocking movement executes or even over the front housing edge tilts when it is moved on a carpet.

Preferably the pivot axis of the lid is aligned parallel to the pivot axis of the handle. A lateral tilting of the housing during Lifting the sweeper with opened Lid is avoided.

Prefers is the lid at its front, the brush roller facing edge region on the housing hinged. Since the dirt collector between the brush roller and the engine is located and positioned above the dirt collector Lid is hinged in its front edge region of the housing, tilts that when open Cover on the handle raised sweeper to the rear, that is the back, the brush roll and the dirt inlet remote housing area is lowered. This ensures that befindlicher in the dirt collection Dirt in the dirty entry opening facing away, rear area of the dirt collector accumulates. This ensures that when removing the filled dirt collector dirt particles not accidentally fall out of the dirt collector.

In an advantageous embodiment the handle locked in at least one pivotal position. For example, it may be provided that the grip piece can be locked at least in a position aligned perpendicular to the surface to be cleaned. This gives the user the opportunity to turn off the sweeper with vertically oriented handle and held on this stem on a ground without the handle must be ajar against a wall. Conveniently, the handle is additionally locked in at least one second pivot position, in which it is aligned substantially parallel to the surface to be cleaned, for example, is pivoted all the way forward or fully back. This gives the opportunity to hang the sweeping device for storage on the stem connected to the handle, where it can then be aligned flat against a wall.

at a particularly preferred embodiment the lid is designed at least partially double-walled and has an inner lid as well as an outer lid which between Take up bearing elements for storage of the handle. In such a embodiment defines the lid has a cavity for storage of the handle bearing elements receives. Preferably, the lid is at least in its in plan view Central area double-walled, so that the bearing elements the center of gravity of the sweeping device can be arranged adjacent. An outer edge area the lid can be formed solely from the inner lid or alone from the outer lid in particular, it can be provided that an outer edge region the double-walled portion of the lid annular, C-shaped or U-shaped surrounds.

to Locking the handle in at least one pivotal position is the bearing elements at a advantageous embodiment at least one locking member arranged between the inner and outer covers assigned. Here it is favorable when the locking member resiliently into a locking position biased locking element, with respect to the pivot axis of the handle is radially or axially movable. It can for example be provided be that a coaxially aligned with the pivot axis of the handle Pivot, which is connected to the handle, to his front end surfaces in each case at least one axially aligned first locking element has, in the circumferential direction of the pivot pin only over a Part area extends and the one between the inner and the outer lid slidably held and resilient in a locking position biased second locking element is assigned, in a predetermined pivot position with the first locking element engaged. The second locking element can, for example, in Form of a detent may be formed on a relative to the Swivel axis of the handle held in the axial direction slidable slide, by means of a compression spring in the direction of a front side of the pivot pin is biased and in a given pivot position of the handle with the designed as a recess recess first locking element engaged.

alternative can be provided that the pivot pin end one each extension bears that at least one radially aligned first locking element having, which with a stationary on the inside or on the outer lid held, resiliently biased in the radial direction second locking element interacts.

From Advantage is when the handle radially offset relative to its pivot axis held on the pivot pin is.

Of the Pivot pin is preferably integrally connected to the handle, In particular, it can be provided that the pivot pin and the grip a one-piece form configured plastic molding.

When Cheap it has proved, when the inner lid has a depression, covered by the outer cover is and in which the bearing elements is arranged.

Around the sweeper one possible To lend flat construction, it is advantageous if the inner lid or the outer cover forms a receptacle in which the handle in a parallel to the inner lid or to the outer cover immersed aligned position. The inner lid or the outer lid For example, it may extend to the rear end of the sweeper and have the recording in this area. This gives the opportunity the sweeper For example, to lead under a piece of furniture, wherein the handle and the stem held thereon practically parallel to the stem to be cleaned area are aligned.

It can be provided that the cover by means of a spring in his Closed position, in which he closes the upper-side housing opening, biased is. It is advantageous if the lid in a closed position with the housing is latched. Unintentional opening of the lid is thereby reliably avoided.

It can be provided, for example, that at least one locking element is held on the housing, which by means of an opening member against an elastic restoring force from a detent position in which it with a corresponding catch Lement of the lid is engaged, is movable into a release position in which it releases the corresponding locking element of the lid. If the lid for emptying the dirt collecting container to be pivoted into its open position, so this can be operated, the opening member, with the help of which the cooperating locking elements of the housing and the lid disengage.

Cheap is it, if the opening member over a inclined plane coupled to the at least one locking element of the housing is.

It For example, it may be provided that the opening member as a push button is configured, which are actuated by the user to open the lid can. The push button can, for example, in the vertical direction movable on the housing be stored and can over an inclined plane with a carrier be coupled, held on which the at least one locking element of the housing is and is acted upon by an elastic restoring force. Preferably are on the carrier two spaced-apart locking elements, in particular held in the form of latching hooks, between which the opening member is positioned.

Preferably is the opening member Coverable from the handle, if the handle his aligned parallel to the inner lid position occupies. The intuitive handling of the sweeping device for emptying the dirt collector is characterized relieved, because the user must first to empty the dirt collector grip from its parallel to the inner lid aligned position pivot above and can then operate the opening member, wherein the lid by lifting the sweeper on the handle in his Open position can be pivoted.

The brush roll is set in rotation by the electric motor, via transmission means, for example via a Belt drive, coupled with the brush roller is. The power supply of the electric motor can via a Anschlusska bel done that can be connected to a mains voltage. It is particularly advantageous if the mobile sweeping device is a rechargeable Battery has, because this allows a network independent Operation of the sweeping device. Here it is favorable if the rechargeable battery is facing away from the brush roller in the area the back of the housing is arranged. For example, it may be provided that the casing in its rear area a battery compartment into which the rechargeable battery runs in parallel to the main direction of movement of the sweeper is insertable.

To the On and off, the mobile sweeping device has an ON / OFF switch. This is in a preferred embodiment the brush roller turned away in the area of a back of the housing arranged. Preferably, the ON / OFF switch is a footswitch educated.

at a preferred embodiment includes the housing a lower housing part and an upper housing part, the lower housing part forms a trough-like receptacle into which the dirt collecting container can be used form-fitting. Due to the positive connection between dirt collector and receiving compartment can the dirt collector inside the case be held in a structurally simple manner immovable.

Cheap is it here, if the trough-like receptacle front of a Sloping surface limited is where the dirt collector can be applied flat with a corresponding inclined surface. Thereby the positioning of the dirt collecting container in the housing can be simplified, because the oblique surface of the Reception shelves makes for The user an orientation when inserting the dirt collector.

The following description of two preferred embodiments The invention is used in conjunction with the drawings for further explanation. Show it:

1 : a perspective view of a mobile sweeping device according to the invention;

2 : a diagrammatic representation of the sweeping device with the lid open and raised dirt collection container;

3 : a perspective view of the sweeper with pivoted into an open position inner lid;

4 : a perspective view of the sweeping device with pivoted into a closed position inner lid;

5 : A perspective view of a housing part of the sweeper;

6 : a partially cut detail view of a latching mechanism of the housing base and

7 : A schematic partial view in the manner of an exploded view of a second embodiment of a fahrba invention ren sweeper.

In the 1 to 6 is schematically a first embodiment of a total reference numeral 10 occupied mobile sweeping device shown.

This includes a housing 12 with a housing lower part 13 and an upper housing part 14 which are bolted together. The lower housing part has a bottom wall 16 on, from the surrounding lower outer wall 17 projects upwards and the one in relation to the main movement direction 19 of the sweeping device 10 front area 20 a dirt inlet opening 22 having. Laterally next to the dirt inlet 22 as well as in one of the dirt entry opening 22 facing away from the rear area 24 of the housing 12 are on the bottom wall 16 castors 26 . 27 . 28 . 29 freely rotatably mounted.

The dirt inlet 22 adjacent is in the housing base 13 a brush roller 31 rotatably mounted, their bristles 32 the dirt inlet 22 succeed. About gear means in the form of a belt drive 34 is the brush roller 31 with an electric motor 35 coupled, by means of one in the rear area 24 of the housing 12 arranged footswitch 37 can be turned on and off and the one at a distance from the footswitch 37 also in the rear area 24 arranged rechargeable and replaceable battery 39 is energized. To hold the battery 39 forms the lower housing part 13 a battery compartment into which the battery 39 can be introduced.

At the dirt inlet opening 22 closes off the bottom wall 16 obliquely upwards a sweeping threshold 43 on, parallel to the brush roller 31 is aligned. At the upper edge of the sweeping threshold 43 closes at the back, that is on the brush roller 31 side facing away from a substantially perpendicular to the bottom wall 16 aligned end wall 44 on, which is inclined to the bottom wall 16 aligned partition 45 in the bottom wall 16 passes. The partition 45 forms one of the bottom wall 16 opposite inclined surface 47 out.

Side closes to the front wall 44 and the partition 45 a substantially C-shaped in plan view and perpendicular to the bottom wall 16 protruding inner wall 49 at. Through the inner wall 49 , the bottom wall 16 as well as the front wall 44 and the partition 45 becomes a tub-like receptacle 51 Are defined.

The upper housing part 14 is on the lower housing part 13 fitted and has one of the contour of the receiving compartment 51 corresponding housing opening 53 on, from one to the top of the housing 14 hinged lid 55 can be closed. About the housing opening 53 can with the lid open 55 in the storage compartment 51 a box-shaped dirt collector 57 be used, that of the brush roller 31 facing a container opening 58 has, at the underside an inclined surface 59 anchors, with the dirt collector 57 flat against the inclined surface 47 the partition 45 can be applied.

The lid 55 is double-walled and includes an inner lid 61 as well as an outer cover 62 , The inner lid 61 is by means of a hinge 64 about a pivot axis 65 swiveling on the upper part of the housing 14 stored. The hinge 64 is above the brush roller 31 arranged so that the lid 55 can be swung forward to the housing opening 53 release. The pivot axis 65 is parallel to the brush roller 31 aligned.

The outer cover 62 covers a centrally arranged portion of the inner lid 61 in which this one recess 67 Are defined. Between the inner and the outer lid 61 . 62 are spaced apart two bearing elements 69 . 70 arranged, in which an integral with a handle 72 connected pivot pin 73 around a pivot axis 74 is pivotally mounted. The pivot axis 74 of the handle 72 is parallel to the pivot axis 65 of the lid 55 aligned. The bearing elements 69 . 70 are located approximately in the middle above the trough-shaped depression 51 and thus approximately in the area of the center of gravity of the sweeper 10 ,

With the handle 72 is a stalk 76 releasably connectable, allowing a user the sweeping device 10 with the help of the stalk 76 can move along a surface to be cleaned.

The handle 72 is lockable in two swivel positions. For this purpose, the pivot pin 73 one end piece in each case 78 on, on its lateral surface 79 in the circumferential direction at a distance from each other two first locking elements in the form of two locking recesses 81 . 82 includes, one with a leaf spring 84 arranged second locking element in the form of a locking lug 85 interacts. Is the handle located 72 in a vertically oriented position, as in 4 is shown, so the latch can 85 in a first recess 81 dip, leaving the handle 72 locked in this pivot position. Will the handle 72 in a parallel to the inner lid 61 aligned position pivots, as shown in 3 is shown, so the latch can 85 in the second recess 82 immerse to lock the pistol grip 72 in this second pivot position.

To better illustrate the storage of the handle 72 in the space between the inner lid 61 and the outer lid 62 is the outer cover 62 in the 3 and 4 not shown.

To fix the lid 55 in his in the 1 and 4 shown closed position is on the housing base 13 between the electric motor 35 and the footswitch 37 a locking mechanism 87 arranged. This includes a sliding on the bottom wall 16 of the housing base 13 held support plate 89 coming from a compression spring 90 in one of the trough-shaped depression 51 facing away from the rearward position is biased by the two locking elements in the form of rigidly formed locking hooks 92 . 93 in the bottom wall 16 protrude upward direction away. Between the two latching hooks 92 . 93 is an opening member in the form of a push button 95 perpendicular to the bottom wall 16 displaceable on the lower housing part 13 stored, with the push button 95 over an inclined plane 96 flat on the support plate 89 is applied. Will the push button 95 from the user towards the bottom wall 16 pressed down, so it is the support plate 89 and with this the two locking hooks 92 . 93 against the restoring force of the compression spring 90 forward in the direction of the trough-shaped depression 51 postponed.

With the two locking hooks 92 . 93 act corresponding locking hooks 98 . 99 together, on the inside lid 61 are formed and closed lid 55 the snap hooks 92 respectively. 93 engage behind. Will the push button 95 operated by the user, so take the latching hook 92 . 93 of the housing base 13 one to the corresponding locking hooks 98 respectively. 99 of the lid 55 spaced position. This position is in 6 shown dotted. The lid 55 can then go around the pivot axis 65 swung out to the front and the dirt collector 57 can the housing 12 be removed.

Because the hinging of the lid 55 on the housing 12 related to the main movement direction 19 in front of the center of gravity of the sweeper 10 done, the sweeper can 10 with the lid open 55 by the user on the handle 72 or on a stick 76 be held, which is then the rear area 24 of the housing 12 lowers and thereby the dirt in the collection container 57 located dirt particles in the rear region of the dirt collector 57 pile up. It is thereby avoided that when removing the dirt collector 57 Dirt particles can fall out of this.

Take the lid 55 his in the 1 and 4 shown closed position, so the user can the sweeping device 10 on the handle 72 or on a stick 76 Lift, with the sweeper 10 essentially aligned horizontally, since the articulation of the handle 72 above the center of gravity of the sweeper 10 takes place and the handle 72 in the vertical pivot position, as explained above, can be locked.

In 7 is a second embodiment of a total reference numeral 110 illustrated sweeping device, which is designed substantially identical to that described above with reference to the 1 to 6 explained sweeper 10 , For identical components are in 7 the same reference numerals as in the 1 to 6 , and to avoid repetition, reference is made to the above explanations.

The sweeper 110 differs from the above-mentioned sweeper 10 only by different locking elements, with the help of the handle 72 can be locked in at least one pivot position. This is the handle 72 of the sweeping device 110 with a pivot pin 113 connected in one piece, the front side in each case over a portion of the outer periphery of the pivot pin 113 extending, axially aligned recess 114 respectively. 115 having. The recesses 114 . 115 is in each case a detent 117 respectively. 118 assigned to the one piece with a slider 120 respectively. 121 connected is. The sliders 120 . 121 are in between the inner lid 123 and the outer lid 124 of the sweeping device 110 arranged guides 126 respectively. 127 parallel to the pivot axis 129 of the pivot pin 113 slidable and are by means of a compression spring 131 respectively. 132 in the direction of the pivot pin 113 elastically biased.

When the sweeper 110 the handle 72 pivoted in a vertically oriented position, so take the recesses 114 . 115 of the pivot pin 113 one in alignment with the displaceable locking lugs 117 . 118 aligned position and the locking lugs 117 . 118 can in the recesses 114 . 115 plunge. This is the pivot pin 113 and with this the handle as well 72 locked in vertical alignment. Contrary to the spring force of the compression springs 131 . 132 can the pivot pin 113 and with this the handle as well 72 be pivoted from the vertical position.

Both the inner lid 61 of the sweeping device 10 as well as the inner lid 123 of the sweeping device 110 extend between the electric motor 35 and the battery 39 to the rear area 24 of the housing 12 and form a recording in this area 135 out, into which the handle piece 72 parallel to the inner lid 61 respectively. 123 immersed aligned position. This is especially true of the 2 . 3 and 7 clear. The sweepers 10 . 110 are characterized by a very flat design, with the handle 72 parallel to the inner lid 61 respectively. 123 aligned pivot position only slightly above the lid 55 survives.

Claims (19)

Mobile sweeping device with a housing in which a coupled via a gear means with an electric motor brush roller is rotatably mounted, wherein the housing of the brush roller adjacent a dirt inlet opening and in the housing between the brush roller and the electric motor, a dirt collecting container is arranged, via a top side, of a Lid lockable housing opening can be inserted into the housing and the housing is removable, characterized in that the cover ( 55 ) to the housing ( 12 ) is articulated and on the lid ( 55 ) a handle ( 72 ) is pivotally mounted with a handle ( 76 ) is connectable to the method of sweeping device ( 10 ; 110 ) along a surface to be cleaned. Mobile sweeping device according to claim 1, characterized in that the pivot axis ( 65 ) of the lid ( 55 ) parallel to the pivot axis ( 74 ; 129 ) of the handle ( 72 ) is aligned. Mobile sweeper according to claim 1 or 2, characterized in that the cover ( 55 ) in its front, the brush roller ( 31 ) facing edge region on the housing ( 12 ) is articulated. Mobile sweeper according to one of the preceding claims, characterized in that the handle ( 72 ) can be locked in at least one pivot position. Mobile sweeper according to one of the preceding claims, characterized in that the cover ( 55 ) is at least partially configured double-walled and an inner lid ( 61 ; 123 ) as well as an outer cover ( 61 ; 124 ), which between bearing elements ( 69 . 70 ) for the storage of the handle ( 72 ) take up. Mobile sweeping device according to claim 5, characterized in that the bearing elements ( 69 . 70 ) at least one between the inner and the outer lid ( 61 . 62 ; 123 . 124 ) arranged locking member ( 81 . 82 . 85 ; 114 . 115 . 117 . 118 ) is assigned to lock the handle ( 72 ). Mobile sweeping device according to claim 6, characterized in that the locking member is a spring-elastically biased in a locking position locking element ( 85 ; 117 . 118 ), which relative to the pivot axis ( 74 ; 129 ) of the handle ( 72 ) is radially or axially movable. Mobile sweeping device according to claim 5, 6 or 7, characterized in that the inner lid ( 61 ; 123 ) a recess ( 67 ), which from the outer cover ( 62 ; 124 ) is covered and in which the bearing elements ( 69 . 70 ) are arranged. Mobile sweeping device according to one of claims 5 to 8, characterized in that the inner lid ( 61 ; 123 ) or the outer cover of a receptacle ( 135 ) into which the handle ( 72 ) in a parallel to the inner lid ( 61 ; 123 ) or immersed to the outer lid position dips. Mobile sweeper according to one of the preceding claims, characterized in that the cover ( 55 ) in a closed position with the housing ( 12 ) is latched. Mobile sweeping device according to claim 10, characterized in that on the housing ( 12 ) at least one latching element ( 92 . 93 ) held by an opening member ( 95 ) against a resilient restoring force from a detent position, in which it with a corresponding locking element ( 98 . 99 ) of the lid ( 55 ) is in engagement, in a release position is movable, in which it is the corresponding locking element ( 98 . 99 ) of the lid ( 55 ) releases. Mobile sweeping device according to claim 11, characterized in that the opening member ( 95 ) over an inclined plane ( 96 ) with the at least one latching element ( 92 . 93 ) of the housing ( 12 ) is coupled. Mobile sweeping device according to claim 11 or 12, characterized in that the opening member as a push button ( 95 ) is configured. Mobile sweeping device according to claim 11, 12 or 13, characterized in that the opening member ( 95 ) between two locking elements ( 92 . 93 ) of the housing ( 12 ) is arranged. Mobile sweeper according to one of claims 11 to 14, characterized in that the opening member ( 95 ) from the handle ( 72 ) is coverable when the handle ( 72 ) its parallel to the inner lid ( 61 ; 123 ) aligned position occupies. Mobile sweeper according to one of the preceding claims, characterized in that the mobile sweeping device ( 10 ; 110 ) a rechargeable battery ( 39 ), which is the brush whale ze ( 31 ) facing away in the area of the back ( 24 ) of the housing ( 12 ) is arranged. Mobile sweeper according to one of the preceding claims, characterized in that the mobile sweeping device ( 10 ; 110 ) an ON-OFF switch ( 37 ), the brush roller ( 31 ) facing away in the region of a back ( 24 ) of the housing ( 12 ) is arranged. Mobile sweeper according to one of the preceding claims, characterized in that the housing ( 12 ) a housing lower part ( 13 ) and an upper housing part ( 14 ), wherein the housing lower part ( 13 ) a tub-like receptacle ( 51 ) into which the dirt collecting container ( 57 ) can be used positively. Mobile sweeping device according to claim 18, characterized in that the receiving compartment ( 51 ) at the front of an oblique surface ( 47 ) to which the dirt collector ( 57 ) with a corresponding inclined surface ( 59 ) can be applied flat.