CN115005728B - Floating rolling brush structure and floor washing machine - Google Patents
Floating rolling brush structure and floor washing machine Download PDFInfo
- Publication number
- CN115005728B CN115005728B CN202210679013.0A CN202210679013A CN115005728B CN 115005728 B CN115005728 B CN 115005728B CN 202210679013 A CN202210679013 A CN 202210679013A CN 115005728 B CN115005728 B CN 115005728B
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- Prior art keywords
- notch
- chassis
- rolling brush
- wheel frame
- rotating
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- 238000005096 rolling process Methods 0.000 title claims abstract description 73
- 238000005406 washing Methods 0.000 title claims description 6
- 238000007790 scraping Methods 0.000 claims abstract description 43
- 238000005192 partition Methods 0.000 claims description 20
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4041—Roll shaped surface treating tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/28—Floor-scrubbing machines, motor-driven
- A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Cleaning In General (AREA)
Abstract
The invention provides a floating rolling brush structure, which comprises a chassis; the wheel frame is slidably arranged on the chassis; the rolling brush is rotatably arranged on the wheel frame; the scraping strip is arranged on the chassis and is in sliding abutting connection with the rolling brush, and the elastic pre-tightening piece is arranged on the chassis and acts on the wheel frame, so that the rolling brush abuts against the scraping strip and has a movement trend towards the scraping strip. The elastic pre-tightening piece provided by the invention always acts on the wheel frame, so that a certain pre-tightening force is kept between the rolling brush and the scraping strip, namely, the rolling brush always has a movement trend of moving towards the scraping strip, and after the rolling brush is worn, the rolling brush can move towards the scraping strip to compensate the wear amount of the rolling brush, the interference of the scraping strip and the rolling brush is ensured to meet the use requirement, and the service life of the rolling brush is effectively prolonged.
Description
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a floating rolling brush structure and a floor cleaning machine.
Background
At present, the floor washing machine on the market is mainly characterized in that a water supply system is used for wetting a rolling brush, the rolling brush is contacted with the ground, the ground dirt is transferred to the surface of the rolling brush, the rolling brush rotates and is extruded by a scraping strip, the dirt on the surface of the rolling brush is scraped to a dirt receiving box/water suction port, and the dirt is sucked into a dirt receiving cavity through a suction motor, so that the dirt is recovered.
In order to ensure the cleaning effect of the scraping strip on the rolling brush, the rolling brush and the scraping strip are both in fixed interference magnitude and are in hard contact, and the rolling brush is worn after long-time use, so that the interference magnitude of the rolling brush and the scraping strip is reduced, the rolling brush is dirty and not scraped cleanly, the cleaning force is reduced, and the service life of the rolling brush is prolonged.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a floating rolling brush structure which can automatically compensate the abrasion of a rolling brush, ensure the interference fit between the rolling brush and a scraping strip and further prolong the service life of the rolling brush.
Another object of the invention is to provide a floor scrubber with a long service life of the roller brush.
The embodiment of the invention is realized by the following technical scheme:
a floating rolling brush structure comprises a chassis; the wheel frame is slidably arranged on the chassis; the rolling brush is rotatably arranged on the wheel frame; the scraping strip is arranged on the chassis and is in sliding abutting connection with the rolling brush, and the elastic pre-tightening piece is arranged on the chassis and acts on the wheel frame, so that the rolling brush abuts against the scraping strip and has a movement trend towards the scraping strip.
According to a preferred embodiment, the lower surface of the chassis is provided with a mounting groove, and the wheel frame is slidably mounted in the mounting groove; a driving groove is arranged on one side of the mounting groove, and a first partition plate is formed between the mounting groove and the driving groove; a limiting gap is formed in the first partition plate, a fixed shaft is arranged on the wheel frame, and the fixed shaft extends into the driving groove from the limiting gap; the elastic pre-tightening piece is arranged in the driving groove and acts on the fixed shaft to enable the wheel frame to slide in the mounting groove, so that the rolling brush abuts against the scraping strip.
According to a preferred embodiment, the limiting notch comprises a first longitudinal notch and a first transverse notch which are mutually communicated, wherein: the extending direction of the first transverse notch is parallel to the sliding direction of the wheel frame in the mounting groove; the fixed shaft can be separated from the driving groove through the first longitudinal notch; the width of the first transverse notch is larger than the outer diameter of the fixed shaft.
According to a preferred embodiment, a rotating groove is arranged on one side of the mounting groove, and a second partition plate is formed between the mounting groove and the rotating groove; a rotating notch is formed in the second partition plate, a rotating shaft is arranged on the wheel frame, and the rotating shaft is rotationally embedded in the rotating notch; the rotating shaft can slide along the sliding direction of the wheel frame in the mounting groove in the rotating notch.
According to a preferred embodiment, the rotation notch comprises a second longitudinal notch and a second transverse notch which are mutually communicated; the second transverse notch is a waist-shaped hole, and the length direction of the end surface of the second transverse notch is parallel to the sliding direction of the wheel frame in the mounting groove; the rotating shaft can be separated from the rotating notch from the second longitudinal notch; the width of the second transverse notch is larger than the outer diameter of the rotating shaft.
According to a preferred embodiment, the rotation shaft extends into the rotation groove through the rotation notch; a limiting block is arranged on the rotating shaft, distributed in the rotating groove and attached to the second partition board in a sliding manner; when the rotating shaft rotates or slides in the second transverse notch, the limiting block is at least partially in sliding fit with the second partition plate.
According to a preferred embodiment, the wheel frame comprises a first frame and a second frame, and the roller brush is rotatably arranged between the first frame and the second frame; the second frame is provided with a support, and a driving piece for driving the rolling brush to rotate is arranged in the support; the support penetrates through the chassis and is connected with the chassis in a sliding mode.
According to a preferred embodiment, the front end of the chassis is provided with a containing opening, the first rack is arranged on one side of the containing opening, and the second rack is arranged on the other side of the containing opening; the rolling brushes are distributed in the accommodating opening; the scraping strip is arranged at the bottom of the containing opening.
The floor washing machine comprises the floating rolling brush structure, wherein: the chassis is rotatably provided with rollers; the chassis is provided with an air pipe, the inlet end of the air pipe faces the rolling brush, and the outlet end of the air pipe is communicated to negative pressure equipment.
According to a preferred embodiment, a top cover is detachably mounted on the chassis, and the air pipe penetrates through the top cover; the top cover is arranged above the rolling brush.
The technical scheme of the embodiment of the invention has at least the following advantages and beneficial effects:
the elastic pre-tightening piece is always acted on the wheel frame, so that a certain pre-tightening force is kept between the rolling brush and the scraping strip, namely, the rolling brush always has a movement trend of moving towards the scraping strip, when the rolling brush and the scraping strip are matched for a long time, the elastic pre-tightening piece acts on the wheel frame, so that the rolling brush moves towards the direction of the scraping strip to compensate the abrasion loss of the rolling brush, the interference of the scraping strip and the rolling brush is ensured to meet the use requirement, the cleaning capability of the scraping strip to the rolling brush is ensured, and the service life of the rolling brush can be effectively prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a first perspective structure of a floor scrubber according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a second perspective structure of the floor scrubber according to an embodiment of the present invention;
FIG. 3 is a schematic view showing a bottom view of a floor scrubber according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along section A-A of FIG. 3;
FIG. 5 is a cross-sectional view of section B-B of FIG. 3;
FIG. 6 is a cross-sectional view of section C-C of FIG. 3;
fig. 7 is a schematic perspective view of a floor scrubber with a cover removed according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a floor scrubber with a cover removed and a roller brush according to an embodiment of the present invention;
fig. 9 is a schematic bottom view of a chassis according to an embodiment of the present invention;
FIG. 10 is a cross-sectional view of section D-D of FIG. 9;
fig. 11 is a schematic perspective view of a first frame according to an embodiment of the present invention;
fig. 12 is a schematic perspective view of a second frame according to an embodiment of the present invention.
Icon: 11. a chassis; 111. an extension; 112. a receiving port; 113. a first mounting groove; 114. a driving groove; 1141. hanging shaft; 115. a rotating groove; 116. scraping the strip; 117. a second mounting groove; 118. a first separator; 1181. limiting notch; 11811. a first longitudinal notch; 11812. a first transverse notch; 119. a second separator; 1191. rotating the notch; 11911. a second longitudinal notch; 11912. a second transverse notch; 12. a roller; 2. a top cover; 31. a first rack; 311. a first rotating groove; 32. a second rack; 321. a second rotary groove; 33. a rolling brush; 34. a support; 35. a fixed shaft; 36. a rotating shaft; 361. a limiting block; 4. an elastic pre-tension member; 5. a driving member; 61. the driven shaft is convex; 62. a driving shaft is convex; 71. an outer air tube; 72. an inner trachea.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 12, a floor scrubber has a floating rolling brush structure, and specifically, the floating rolling brush structure includes: a chassis 11; a wheel frame slidably mounted on the chassis 11; a roller brush 33 rotatably mounted to the wheel frame; a wiper strip 116 mounted to the chassis 11 and slidably abutting the roller brush 33, and an elastic pretensioner 4 mounted to the chassis 11 and acting on the wheel frame so that the roller brush 33 abuts the wiper strip 116 and has a movement tendency toward the wiper strip 116; the elastic pre-tightening piece 4 can be elastically deformed after being subjected to external force. In this embodiment, the elastic pre-tightening member 4 is a spring, specifically a tension spring, one end of which is hung on a hanging shaft 1141 provided on the chassis 11, and the other end of which is hung on the wheel frame. The wiper strip 116 is here arranged between the roller brush 33 and the chassis 11, i.e. the wiper strip 116 is arranged on the sliding path of the roller brush 33 under the influence of the elastic pretensioner 4. When the roller brush 33 is used, the elastic pre-tightening piece 4 always acts on the wheel frame, so that a certain pre-tightening force is kept between the roller brush 33 and the scraping strip 116, namely, the roller brush 33 always has a movement trend of moving towards the scraping strip 116, after the roller brush 33 and the scraping strip 116 are matched for a long time, the elastic pre-tightening piece 4 acts on the wheel frame, so that the roller brush 33 moves towards the scraping strip 116 to compensate the abrasion loss of the roller brush 33, the interference of the scraping strip 116 and the roller brush 33 is ensured to meet the use requirement, the cleaning capability of the scraping strip 116 to the roller brush 33 is ensured, and the service life of the roller brush 33 can be effectively prolonged.
In other embodiments, the elastic pretensioner 4 may also be an elastic rubber strip or the like. The elastic pre-tension 4 here is not particularly limited as long as it can provide driving force to the wheel frame, and when the roller brush 33 is worn, it can provide driving force to the wheel frame so that the wheel frame slides with respect to the chassis 11 so that the roller brush 33 approaches the wiper strip 116 to compensate for the wear amount of the roller brush 33.
In other embodiments, the elastic pretensioner 4 may also be an electric putter. Specifically, a pressure sensor is disposed on the scraping strip 116 near the rolling brush 33, so as to monitor the extrusion force between the rolling brush 33 and the scraping strip 116 in real time, when the rolling brush 33 is worn, the extrusion force becomes smaller than a pressure threshold, and at the moment, the central processing unit sends a signal to the electric push rod to enable the electric push rod to drive the wheel frame to slide, so that the rolling brush 33 is abutted against the scraping strip 116 until the pressure between the rolling brush 33 and the scraping strip is restored to be within the threshold range. Correspondingly, the elastic pretensioner 4 may also be a hydraulic cylinder or an air cylinder or the like.
Further, as shown in fig. 2, 9 and 10, the lower surface of the chassis 11 is provided with a mounting groove, and the wheel frame is slidably mounted in the mounting groove; a driving groove 114 is arranged on one side of the mounting groove, and a first partition plate 118 is formed between the mounting groove and the driving groove 114; the first partition plate 118 is provided with a limiting notch 1181, the wheel frame is provided with a fixed shaft 35, and the fixed shaft 35 extends from the limiting notch 1181 into the driving groove 114; the elastic pre-tension 4 is arranged in the driving groove 114 and acts on the fixed shaft 35 to slide the wheel carrier in the mounting groove, so that the roller brush 33 abuts against the scraping strip 116.
Specifically, the wheel frame here includes a first frame 31 and a second frame 32, and the roller brush 33 is rotatably installed between the first frame 31 and the second frame 32; further, the front end of the chassis 11 is provided with a receiving port 112, the first frame 31 is arranged at one side of the receiving port 112, and the second frame 32 is arranged at the other side of the receiving port 112; the rolling brushes 33 are distributed in the accommodating openings 112; the scraping strip 116 is installed at the bottom of the accommodating port 112. In the present embodiment, the mounting grooves include first and second mounting grooves 113 and 117 that are one-to-one and fit with the first and second frames 31 and 32. In other embodiments, the first and second mounting slots 113 and 117 may be contoured and, correspondingly, the first and second shelves 31 and 32 may be contoured. The outer shapes of the first and second mounting grooves 113 and 117 and the outer shapes of the first and second frames 31 and 32 may be appropriately adjusted according to the specific requirements of the product, and are not particularly limited herein. The sliding direction of the first frame 31 in the first mounting groove 113 may be parallel to the sliding direction of the second frame 32 in the second mounting groove 117. The mounting groove plays a role in guiding and limiting the wheel frame.
In this embodiment, the hanging shaft 1141 is disposed in the mounting groove, that is, the hanging shafts 1141 are disposed in the first mounting groove 113 and the second mounting groove 117, for mounting the elastic pre-tightening member 4, and the fixed shaft 35 extending from the limiting notch 1181 to the driving groove 114 is matched to realize the fixed assembly of the elastic pre-tightening member 4. The fixed shaft 35 is provided on both the first frame 31 and the second frame 32. In this embodiment, the width of the limiting notch 1181 is larger than the outer diameter of the fixed shaft 35, so that the sliding of the wheel frame in the mounting groove is not limited by the interference of the limiting notch 1181; meanwhile, the limiting notch 1181 defines the sliding distance of the wheel frame in the mounting groove, that is, the adjusting distance of the rolling brush 33 relative to the scraping strip 116. Specifically, when the fixed shaft 35 slides in the limit notch 1181 and abuts against the inner wall of the limit notch 1181 in the sliding direction, the wheel frame cannot continue to slide in the mounting groove.
Further, as shown in fig. 3, 4, 5, 9 and 10, the limiting notch 1181 includes a first longitudinal notch 11811 and a first transverse notch 11812 that are mutually penetrated, wherein: the extending direction of the first transverse notch 11812 is parallel to the sliding direction of the wheel frame in the mounting groove; the fixed shaft 35 can be disengaged from the driving groove 114 through the first longitudinal notch 11811; the width of the first transverse notch 11812 is greater than the outer diameter of the fixed shaft 35. Further, a rotation groove 115 is arranged at one side of the installation groove, and a second partition 119 is formed between the installation groove and the rotation groove 115; a rotation notch 1191 is formed in the second partition 119, a rotation shaft 36 is arranged on the wheel frame, and the rotation shaft 36 is rotationally embedded in the rotation notch 1191; the rotation shaft 36 can slide in the sliding direction of the wheel frame in the mounting groove in the rotation notch 1191. Further, the rotation notch 1191 includes a second longitudinal notch 11911 and a second transverse notch 11912 that are mutually penetrated; the second transverse notch 11912 is a waist-shaped hole, and the length direction of the end surface of the second transverse notch is parallel to the sliding direction of the wheel frame in the mounting groove; the rotation shaft 36 can be separated from the rotation notch 1191 from the second longitudinal notch 11911. The width of the second transverse notch 11912 is greater than the outer diameter of the rotational shaft 36.
In this embodiment, the width direction of the first transverse notch 11812 is perpendicular to the extending direction of the first transverse notch 11812, and a gap is formed between the wheel frame and the inner wall of the mounting groove, so that the supporting force of the wheel frame in the direction perpendicular to the ground is from the first transverse notch 11812 and the second transverse notch 11912. The width of the first transverse notch 11812 is larger than the outer diameter of the fixed shaft 35, and the width of the second transverse notch 11912 is larger than the outer diameter of the rotating shaft 36, so that the wheel frame has a certain movable space in the direction perpendicular to the chassis 11 and is in a floating state. When the roller brush 33 is used, the wheel frame can move downwards in the direction vertical to the chassis 11 in the first transverse notch 11812 and the second transverse notch 11912 under the action of self gravity along with the abrasion of the roller brush 33, so that the abrasion of the roller brush 33 is compensated in the direction vertical to the chassis 11, the contact quantity of the roller brush 33 and the ground is ensured, the cleaning force of the roller brush 33 to the ground is further ensured, and the service life of the roller brush 33 is effectively prolonged. Meanwhile, in the use process, if the situation of uneven ground (protruding above the ground) occurs, the rolling brush 33 can move upwards along the direction vertical to the chassis 11 under the action of the ground, so that the normal running of the roller 12 is ensured, the cleaning force of the rolling brush 33 is ensured, and meanwhile, the blocking of the rolling brush 33 can be avoided.
Further, as shown in fig. 4 and 5, the rotation shaft 36 extends into the rotation groove 115 through the rotation notch 1191; the rotating shaft 36 is provided with a limiting block 361, and the limiting block 361 is distributed in the rotating groove 115 and is in sliding fit with the second partition 119; when the rotation shaft 36 rotates or slides in the second transverse notch 11912, the stopper 361 is at least partially slidably attached to the second partition 119. In this embodiment, two limiting blocks 361 are disposed on the rotating shaft 36, the two limiting blocks 361 are symmetrically disposed about the rotating shaft 36 in the connecting line direction of the fixed shaft 35 and the rotating shaft 36, and the highest points of the two top parts are all located on the same circular arc, and the center of the circular arc is located on the central axis of the rotating shaft 36. The diameter of the circle where the arc is located is greater than the length of the second transverse notch 11912, so that the two limiting blocks 361 can limit the rotating shaft 36 in the axial direction of the rotating shaft 36 to prevent the rotating shaft 36 from being separated from the second transverse notch 11912.
In this embodiment, the width of the first longitudinal notch 11811 is slightly larger than the diameter of the fixed shaft 35, and the width of the second longitudinal notch 11911 is slightly larger than the diameter of the rotating shaft 36. In normal use, the roller brush 33 is in contact with the ground, so that the roller brush is always supported by the ground, so that the fixed shaft 35 is located at a side away from the first longitudinal notch 11811 in the first transverse notch 11812, and the rotating shaft 36 is located at a side away from the second longitudinal notch 11911 in the second transverse notch 11912. When the roller brush 33 needs to be disassembled, the user can hold the roller brush 33 to stretch the elastic pretensioner 4 so that the fixed shaft 35 slides in the first transverse notch 11812 to be aligned with the first longitudinal notch 11811, then take out the fixed shaft 35 from the first longitudinal notch 11811, and then take out the rotating shaft 36 from the second longitudinal notch 11911, thus completing the disassembly of the wheel carrier and the roller brush 33. In this embodiment, the first partition 118 and the second partition 119 are made of plastic, and can deform to a certain extent when being pressed, so that the fixing shaft 35 and the rotating shaft 36 can be conveniently assembled and disassembled.
Further, as shown in fig. 3 and 9, a support 34 is disposed on the second frame 32, and a driving member 5 for driving the rolling brush 33 to rotate is disposed in the support 34; the support 34 extends through the chassis 11 and is slidably connected to the chassis 11. The chassis 11 is provided with a mounting notch communicating with the second mounting groove 117 for receiving the support 34. A rotation groove 115 is similarly provided on the chassis 11 on the side of the mounting notch, and a rotation shaft 36 is provided on the support 34 on the side close to the rotation groove 115, wherein the rotation shaft 36 is coaxial with the rotation shaft 36 provided on the second frame 32. Specifically, as shown in fig. 7, 8, 11 and 12, a first rotating groove 311 is provided on the first frame 31 for rotatably mounting the driven shaft boss 61, and a second rotating groove 321 is provided on the second frame 32 for rotatably mounting the driving shaft boss 62. In use, the roller brush 33 is mounted at one end to the driving shaft projection 62 and at the other end to the driven shaft projection 61, the driving member 5 being in driving connection with the driving shaft projection 62. The driving member 5 drives the driving shaft protrusion 62 to rotate, thereby rotating the rolling brush 33. The mounting of the driving member 5 on the second frame 32 here increases the weight of the wheel frame so that the roller brush 33 can better conform to the ground during use. In this embodiment, the driving member 5 is a motor. The driving member 5 is connected to the driving shaft boss 62 by a timing belt transmission.
Further, the floor washing machine also comprises a roller 12 rotatably arranged on the chassis 11; the chassis 11 is provided with an air pipe, the inlet end of which faces the rolling brush 33, and the outlet end of which is communicated with the negative pressure equipment. Specifically, an extension 111 is provided on the chassis 11 on the opposite side of the roller brush 33, and the roller 12 is rotatably mounted to the extension 111. Further, the chassis 11 is detachably provided with the top cover 2, and the air pipe penetrates through the top cover 2; the top cover 2 is covered above the rolling brush 33. In this embodiment, a working space is formed between the top cover 2 and the chassis 11, the air pipe includes an inner air pipe 72 and an outer air pipe 71, the inner air pipe 72 is disposed in the working space and is distributed towards the rolling brush 33, the outer air pipe 71 extends out of the top cover 2, and the inner end of the outer air pipe 71 is communicated with the inner air pipe 72. The external negative pressure device is used for generating negative pressure at the end of the inner air pipe 72 facing the roller brush 33, so that the sewage scraped off by the scraping strip 116 from the roller brush 33 is absorbed into the sewage tank. The negative pressure device may be an air pump.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (9)
1. A floating roll brush structure, comprising:
a chassis;
the wheel frame is slidably arranged on the chassis;
the rolling brush is rotatably arranged on the wheel frame;
a scraping strip arranged on the chassis and in sliding contact with the rolling brush, and
an elastic pre-tightening piece which is arranged on the chassis and acts on the wheel frame so that the rolling brush abuts against the scraping strip and has a movement trend towards the scraping strip;
the lower surface of the chassis is provided with a mounting groove, and the wheel carrier is slidably arranged in the mounting groove;
a driving groove is arranged on one side of the mounting groove, and a first partition plate is formed between the mounting groove and the driving groove;
a limiting gap is formed in the first partition plate, a fixed shaft is arranged on the wheel frame, and the fixed shaft extends into the driving groove from the limiting gap;
the elastic pre-tightening piece is arranged in the driving groove and acts on the fixed shaft to enable the wheel frame to slide in the mounting groove, so that the rolling brush abuts against the scraping strip.
2. The floating roll brush structure according to claim 1, wherein: the limiting notch comprises a first longitudinal notch and a first transverse notch which are communicated with each other, wherein:
the extending direction of the first transverse notch is parallel to the sliding direction of the wheel frame in the mounting groove;
the fixed shaft can be separated from the driving groove through the first longitudinal notch;
the width of the first transverse notch is larger than the outer diameter of the fixed shaft.
3. The floating roll brush structure according to claim 2, wherein: a rotating groove is arranged on one side of the mounting groove, and a second partition plate is formed between the mounting groove and the rotating groove;
a rotating notch is formed in the second partition plate, a rotating shaft is arranged on the wheel frame, and the rotating shaft is rotationally embedded in the rotating notch;
the rotating shaft can slide along the sliding direction of the wheel frame in the mounting groove in the rotating notch.
4. A floating roll brush structure according to claim 3, wherein: the rotating notch comprises a second longitudinal notch and a second transverse notch which are communicated with each other;
the second transverse notch is a waist-shaped hole, and the length direction of the end surface of the second transverse notch is parallel to the sliding direction of the wheel frame in the mounting groove;
the rotating shaft can be separated from the rotating notch from the second longitudinal notch;
the width of the second transverse notch is larger than the outer diameter of the rotating shaft.
5. The floating roll brush structure according to claim 4, wherein: the rotating shaft extends into the rotating groove through the rotating notch;
a limiting block is arranged on the rotating shaft, distributed in the rotating groove and attached to the second partition board in a sliding manner;
when the rotating shaft rotates or slides in the second transverse notch, the limiting block is at least partially in sliding fit with the second partition plate.
6. The floating roll brush structure according to any one of claims 1-5, wherein: the roller brush is rotatably arranged between the first frame and the second frame;
the second frame is provided with a support, and a driving piece for driving the rolling brush to rotate is arranged in the support;
the support penetrates through the chassis and is connected with the chassis in a sliding mode.
7. The floating roll brush structure according to claim 6, wherein: the front end of the chassis is provided with a containing opening, the first rack is arranged on one side of the containing opening, and the second rack is arranged on the other side of the containing opening;
the rolling brushes are distributed in the accommodating opening;
the scraping strip is arranged at the bottom of the containing opening.
8. The utility model provides a floor washing machine which characterized in that: comprising the floating roll brush structure according to any one of claims 1-7, wherein:
the chassis is rotatably provided with rollers;
the chassis is provided with an air pipe, the inlet end of the air pipe faces the rolling brush, and the outlet end of the air pipe is communicated to negative pressure equipment.
9. The floor scrubber of claim 8 wherein: a top cover is detachably arranged on the chassis, and the air pipe penetrates through the top cover;
the top cover is arranged above the rolling brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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