Search

CN-116327052-A - Floor cleaning machine with at least one support element

CN116327052ACN 116327052 ACN116327052 ACN 116327052ACN-116327052-A

Abstract

The invention relates to a floor cleaning machine with at least one support element, comprising a cleaning head (12), a grip lever device (36) connected to the cleaning head, at least one cleaning roller unit (18) arranged on the cleaning head, and a dirty fluid tank device (32) arranged in a removable manner on a base (30) of the cleaning head, on which at least one support element (120) is arranged, which support element is spaced apart from the at least one cleaning roller unit, wherein, in a cleaning operation, the cleaning head (12) is supported on a floor (16) to be cleaned via the at least one cleaning roller unit (18) and the at least one support element (120), and the dirty fluid tank device (32) has a through recess (152) associated with the at least one support element (120), the at least one support element (120) being guided through the recess when the dirty fluid tank device (32) is arranged on the cleaning head (12).

Inventors

  • ENTHLEIN TOBIAS
  • MARCO MASSENBACHER
  • M 1LLER ANDREAS

Assignees

  • KAERCHER GMBH & CO KG ALFRED

Dates

Publication Date
20230627
Application Date
20221222
Priority Date
20211223

Claims (20)

  1. 1. Floor cleaning machine comprising a cleaning head (12), a grip device (36) connected to the cleaning head (12), at least one cleaning roller unit (18) arranged on the cleaning head (12), and a dirty fluid tank device (32) arranged in a removable manner on a base (30) of the cleaning head (12), characterized in that at least one support element (120) is arranged on the base (30) of the cleaning head (12), which support element is spaced apart from the at least one cleaning roller unit (18), wherein, in a cleaning operation, the cleaning head (12) is supported on the floor (16) to be cleaned via the at least one cleaning roller unit (18) and the at least one support element (120), and the dirty fluid tank device (32) has a through recess (152) associated with the at least one support element (120), which support element (120) is guided through when the dirty fluid tank device (32) is arranged on the cleaning head (12).
  2. 2. The floor cleaning machine according to claim 1, characterized in that a placement surface (14) for the cleaning head (12) is provided via the at least one cleaning roller unit (18) and the at least one support element (120), which placement surface has at least one of the following features: -the placement surface (14) is a flat surface; -the rotation axis (46) of the at least one scrub roller unit (18) is parallel to the placement surface (14); -the grip device (36) is hinged to the cleaning head (12) in a swingable manner about a swing axis (40), and the swing axis (40) is parallel to the rest surface (14); -a removal direction (148) for removing the dirty fluid tank arrangement (32) from the cleaning head (12) and an insertion direction for inserting the dirty fluid tank arrangement (32) on the cleaning head (12) both transversely and in particular perpendicularly to the placement surface (14); -the dirty fluid tank arrangement (32) is removable from the cleaning head (12) downwardly towards the placement face (14); -said seat (30) is spaced apart from said resting surface (14) in the height direction.
  3. 3. The floor cleaning machine according to claim 1 or 2, characterized in that the at least one support element (120) comprises a roller (124) or a slider.
  4. 4. The floor cleaning machine according to any of the preceding claims, characterized in that the at least one support element (120) comprises a pillar (122) which is connected to the base (30) and extends away from the base (30) into a space (150) in which the dirty fluid tank arrangement (32) is located.
  5. 5. The floor cleaning machine of claim 4, characterized by at least one of the following features: -a roller (124) or a slider is arranged on the support (122); -the support (122) is positioned in an associated through recess (152) of the dirty fluid tank arrangement (32) when the dirty fluid tank arrangement (32) is fixed to the base (30).
  6. 6. The floor cleaning machine according to any of the preceding claims, wherein the through recess (152) is open at both an upper side (128) of the dirty fluid tank arrangement (32) and a lower side (127) of the dirty fluid tank arrangement (32), wherein the upper side (128) faces the base (30) when the dirty fluid tank arrangement (32) is fixed to the base (30), and wherein the lower side (127) faces away from the upper side (128).
  7. 7. The floor cleaning machine according to claim 6, characterized in that the through recess (152) is delimited by a wall (130) of the dirty fluid tank arrangement (32) between the upper side (128) and the lower side (127), wherein the wall (130) is closed or the through recess (152) is open to one side of the dirty fluid tank arrangement (32).
  8. 8. Floor cleaning machine according to claim 7, characterized in that the wall (130) is oriented transversely and in particular perpendicularly to the upper side (128) and/or the lower side (127) of the dirty fluid tank arrangement (32).
  9. 9. The floor cleaning machine according to any of the preceding claims, characterized in that the at least one cleaning roller unit (18) is arranged on a roller receptacle (106) of a shaft (108) having a first shaft portion (110), an intermediate portion (114) and a second shaft portion (112), wherein the intermediate portion (114) is located between the first shaft portion (110) and the second shaft portion (112), and a first roller portion (116) of the at least one cleaning roller unit (18) is arranged on the first shaft portion (110), and a second roller portion (118) of the at least one cleaning roller unit (18) is arranged on the second shaft portion (112), and an intermediate drive is provided, which acts on the intermediate portion (114).
  10. 10. The floor cleaning machine according to claim 9, characterized in that the at least one support element (120) is arranged in alignment with the intermediate portion (114) with respect to a longitudinal axis (24) of the cleaning head (12).
  11. 11. Floor cleaning machine according to any one of the preceding claims, characterized in that a tread tongue (34) is arranged on the dirty fluid tank arrangement (32), the at least one support element (120) being arranged in alignment with the tread tongue pair (34) with respect to the longitudinal axis (24) of the cleaning head (12) when the dirty fluid tank arrangement (32) is fixed on the cleaning head (12).
  12. 12. Floor cleaning machine according to any of the preceding claims, characterized in that exactly one support element (120) is provided.
  13. 13. The floor cleaning machine according to any of the preceding claims, wherein the at least one support element (120) is arranged centrally between a first lateral side (26) and a second lateral side (28) of the cleaning head (12).
  14. 14. The floor cleaning machine according to any of the preceding claims, characterized in that the dirty fluid tank arrangement (32) is movably and in particular floatingly held on the bottom (30).
  15. 15. A floor cleaning machine according to any of the preceding claims, characterized by a locking device by means of which the dirty fluid tank means (32) is releasably connected to the base (30).
  16. 16. The floor cleaning machine according to any of the preceding claims, characterized in that the grip lever device (36) is held on the cleaning head (12) in a swingable manner via a swing joint (84), wherein in particular the swing axis (40) of the swing joint (84) coincides with the rotation axis (46) of the at least one cleaning roller unit (18).
  17. 17. The floor cleaning machine according to claim 16, characterized in that the pivot joint (84) is configured as a track joint having a track guide of the grip device (36) on the cleaning head (12).
  18. 18. The floor cleaning machine according to claim 16 or 17, characterized in that the swivel joint (84) has a track guide (86) which is arranged on the cleaning head (12) in a rotationally fixed manner and which has a circular track section (88) which has a center on the swivel axis (40), and in that the swivel joint (84) has a counter-device (90) which is arranged on the grip lever device (36) in a rotationally fixed manner and which is supported on the track guide (86).
  19. 19. The floor cleaning machine according to claim 18, characterized in that the at least one cleaning roller unit (18) is arranged in the region of the front end (20) of the cleaning head (12) and has the following features: -the circular track section (88) is arranged behind the at least one cleaning roller (18) with respect to a longitudinal axis (24) of the cleaning head (12); -the circular track section (88) is arranged above the at least one cleaning roller unit (18) with respect to a height axis (92) of the cleaning head (12).
  20. 20. Floor cleaning machine according to claim 18 or 19, characterized in that the engagement means (90) are supported on the trajectory guidance means (86) via at least three support points.

Description

Floor cleaning machine with at least one support element Technical Field The invention relates to a floor cleaning machine comprising a cleaning head, a grip device connected to the cleaning head, at least one cleaning roller unit arranged on the cleaning head, and a dirty fluid tank device arranged in a removable manner on the base of the cleaning head. Background DE 20 2015 101 302 U1 discloses a cleaner in the form of a vacuum cleaner. Surface cleaners are known from WO 2016/058901 A1, WO 2016/058856 A1, WO 2017/063663A1, WO 2016/058879 A1, WO 2016/058956 A1. A surface cleaning machine is likewise known from WO 2016/058907A 1. A portable floor cleaning apparatus is known from US 4,875,246, which has rollers driven by an electric motor. DE 20 2009 013 434 U1 describes a device for wet cleaning floors with a brush which can be rotated about a rotational axis A cleaning machine is known from CN 201 197 698 y. From US 6,026,529 an apparatus for cleaning floors or other hard surfaces is known. A surface cleaning machine with a rotating brush is described by WO 2010/04185 A1. A cleaning head for a floor cleaning machine is known from US 7,665,174 B2. From US 4,173,054 a floor cleaner is known which comprises a handle, a main body, a roller mechanism with a roller with a cleaning belt, a scraping and dirty fluid reservoir. A surface cleaning machine with a cleaning roller and a drive unit for driving the cleaning roller is known from WO 2013/106762 A2. A dirt housing is provided into which the cleaning roller sweeps dirt during rotation. The dirt housing may be opened. From US 7,921,497 B2 a floor scrubber is known which can be operated manually and comprises a driving roller coupled to a scrubbing roller. Further floor cleaning machines are known from WO 2015/086083 A1. A hard floor cleaner is known from US 3,789,449. DE 103,57,637a 1 describes a self-propelled floor sweeper with a cleaning brush and an associated dirt collection chamber. A household floor cleaner with a wiping roller is known from DE 10 2007 054 500 A1. A floor cleaner with a housing, a hose assembly and a cleaning head is known from US 2006/0272120 A1. A cleaning machine station for a cleaning machine is known from DE 10 2017 120 723 A1, wherein the cleaning machine station has a receiving chamber for a cleaning head of the cleaning machine. A floor cleaning machine with a handle is known from WO 2005/087075 A1, which is arranged in a pivotable manner on a base. CN 107007215A discloses a floor cleaning robot. DE 20 2018 104 772 U1 discloses a dirty water collecting mechanism and a dirty water detecting mechanism and a cleaning device. Cleaning machines are also known from AU 2017101723 A4, CN 206687671U, DE 20 2016 105300u1, US 9,622,637 B1, CN 205359367U, US 2017/019225 A1, CN205181250U, CN 205181251 U,CN 205181256 U,DE 20 2016 105 299U,WO 2017/059602 A1,WO 2017/059600 A1,WO 2017/059601 A1, wo2017/059603A1 or DE 20 2016 105 301 U1. Disclosure of Invention The object of the present invention is to provide a floor cleaning machine of the type mentioned at the outset, which has an optimized cleaning effect. According to the invention, in the floor cleaning machine described at the outset, this object is achieved in that at least one support element is arranged on the base of the cleaning head, which is spaced apart from the at least one cleaning roller unit, wherein, in the cleaning operation, the cleaning head is supported on the floor to be cleaned via the at least one cleaning roller unit and the at least one support element, and the dirty fluid tank arrangement has a through recess associated with the at least one support element, through which the at least one support element is guided when the dirty fluid tank arrangement is mounted on the cleaning head. In the cleaning operation, the cleaning head is supported on the floor via the at least one cleaning roller unit and the at least one support element together with the weight of the grip device. The dirty fluid tank arrangement can thereby be held in a simple manner on the base and in particular floatingly on the base. The dirty fluid tank arrangement can provide a large receiving volume despite the presence of the at least one support element by means of the through recess on the dirty fluid tank arrangement associated with the at least one support element. Advantageously, a placement surface for the cleaning head is provided via the at least one cleaning roller unit and the at least one support element, the placement surface having at least one of the following features: the placement surface is a flat surface; -the rotation axis of the at least one scrub roller unit is parallel to the placement surface; the grip device is hinged to the cleaning head in a manner swingable about a swing axis, and the swing axis is parallel to the placement surface; the removal direction for removing the dirty fluid tank arrangement from the cleaning head and the insertion direction for inserting the dir