CN110934547A - Centrifugal force and downforce offset structure of floor scrubber chassis - Google Patents
Centrifugal force and downforce offset structure of floor scrubber chassis Download PDFInfo
- Publication number
- CN110934547A CN110934547A CN201911304835.5A CN201911304835A CN110934547A CN 110934547 A CN110934547 A CN 110934547A CN 201911304835 A CN201911304835 A CN 201911304835A CN 110934547 A CN110934547 A CN 110934547A
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- CN
- China
- Prior art keywords
- disc
- washing machine
- brush
- cover
- bottom plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
- A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
- A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
- A47L11/305—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools the tools being disc brushes
-
- 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
- A47L11/4002—Installations of electric equipment
- A47L11/4005—Arrangements of batteries or cells; Electric power supply arrangements
-
- 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
- A47L11/4072—Arrangement of castors or wheels
Landscapes
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The invention discloses a centrifugal force and downward force counteracting structure of a floor washing machine underframe, which comprises a bottom plate and a cover, wherein a middle rotary seat connected with an operating rod of the floor washing machine is fixed at the outer top of the cover through a bolt, a battery box with an opening at the top is arranged on the cover, a rechargeable lithium battery is placed in the battery box, a vacuumizing motor component, a brush disc motor and a water pump which are electrically connected with the rechargeable lithium battery are arranged at the upper part of the bottom plate, an output shaft of the brush disc motor downwards penetrates through the bottom plate and then is connected with a disc brush fixing disc in a transmission way, a brush disc is fixed at the lower part of the disc brush fixing disc, an air exhaust pipeline of the vacuumizing motor component is connected to an air exhaust pipe connector of a floor washing machine sewage tank, the lower part of the bottom plate is provided with at least one rotating caster through a wheel carrier, a connecting line between one rotating caster passes through the center of the brush disc, and the rolling direction of the rotating caster is the same as the rotating direction of the brush disc; has the advantages that: the structure is improved, the rotating centrifugal force of the floor washing machine is offset, and the gravity of the downward pressing is offset due to the addition of the spring.
Description
Technical Field
The invention relates to an improvement on a floor washing machine, in particular to a structure for counteracting the centrifugal force and the downward force of a floor washing machine chassis.
Background
The floor washing machine is a cleaning machine device which is suitable for cleaning hard ground, is used for spraying water, brushing the ground, absorbing and recovering sewage and taking the sewage away from the site, and has the advantages of environmental protection, energy conservation and high utilization rate. In real life, floor cleaning machines are widely used in large airports, supermarkets and factories, particularly stations, office areas, hotels, docks, steamships, workshops, warehouses, schools, hospitals, hotels, market places and the like have places with flat hard ground, and the working concept of replacing manpower and solving the manpower and labor force is deep.
The existing floor washing machine is mainly a large-type floor washing machine, is mainly applied to work in a scene with a large spacious area, is provided with a clean water tank, a sewage tank and power equipment, and is generally provided with a brush disc at the front end of the machine.
The technical defects of the existing large floor washing machine are as follows: 1. the large floor washing machine has overlarge size and limited use region environment. 2. The movement is not very flexible, the cleaning is not in place for small space environment and corners, and the use environment is limited. 3. The existing small floor washing machine is also heavy and cannot completely solve the problems of light weight, flexible control and convenient use, and can generate centrifugal force when rotating and is difficult to control. 4. The noise is large.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a structure for offsetting the centrifugal force and the downward pressure of the chassis of a floor washing machine.
In order to achieve the above object, the invention takes the following measures:
a centrifugal force and downward force counteracting structure for the chassis of a floor washing machine comprises a bottom plate and a cover, wherein the bottom plate is fixed in the cover through screws, a middle rotary seat for connecting an operating rod of the floor washing machine is fixed at the outer top of the cover through bolts, a battery box with an opening at the top is arranged on the cover, a rechargeable lithium battery is placed in the battery box, a vacuumizing motor component, a brush disc motor and a water pump which are electrically connected with the rechargeable lithium battery are arranged at the upper part of the bottom plate, an output shaft of the brush disc motor downwards penetrates through the bottom plate and then is connected with a disc brush fixing disc in a transmission way, a brush disc is fixed at the lower part of the disc brush fixing disc, an air exhaust pipeline of the vacuumizing motor component is connected to an air exhaust pipe connector of a floor washing machine sewage tank, the lower part of the bottom plate is provided with at least one rotating caster through a wheel carrier, a connecting line between one rotating caster passes through the center of the brush disc, and the rolling direction of the rotating caster is the same as the rotating direction of the brush disc;
the wheel frame comprises a lower wheel frame and an upper wheel frame fixedly connected with the lower part of the bottom plate, the rotating caster is rotatably installed on the lower wheel frame, the lower wheel frame is connected on the upper wheel frame in a sliding manner through a guide post on the lower wheel frame, a damping spring is sleeved on the guide post, the upper end of the damping spring is pressed on the upper wheel frame, and the lower end of the damping spring is pressed on the lower wheel frame;
a brush disc shield is fixed at the lower part of the bottom plate and is bent into an arc structure, a skirt brush is fixed at the outer side of the brush disc shield of the arc structure, and a plurality of air outlets are formed in the side wall of the machine cover close to the vacuumizing motor assembly;
a charging port electrically connected with a rechargeable lithium battery is arranged on one side of the cover, and a battery cover is clamped on an opening of the battery box;
the upper rear part of the machine cover is provided with a rear wheel through a rear wheel frame, and the rear wheel frame and the top surface of the machine cover are inclined at an angle;
the middle rotary seat is bent upwards to form an upper U-shaped frame and bent downwards to form a lower U-shaped frame, the upper U-shaped frame is used for being rotatably connected with an operating rod of the floor washing machine, the lower end of the lower U-shaped frame is bent outwards to form a fixing part, and a bolt penetrates through a through hole in the fixing part to fix the middle rotary seat on the cover;
a plane bearing is arranged between the output shaft of the brush disk motor and the disk brush fixing disk;
the suction cup body assembly is arranged on the bottom plate through a bolt and connected to a sewage suction port of a sewage tank of the floor washing machine, and the suction cup body assembly is of an arc structure opposite to the brush disc protective cover;
the vacuum pumping motor assembly is formed by arranging a vacuum pumping motor in a closed plastic box, and a sound insulation material is filled in a gap between the inner wall of the plastic box and the vacuum pumping motor.
The invention has the beneficial effects that: the practicality, low in production cost, novel structure, the silence is effectual, washes the ground lightly, easily operates, and the pivoted centrifugal force of washing the ground machine has been offset in the improvement of structure, and the gravity of pushing down has been offset in the increase of spring.
Drawings
FIG. 1 is an exploded view of the present invention.
Fig. 2 is an external structural view of the present invention.
Fig. 3 is a schematic view of an exploded structure of the wheel frame of the present invention.
Fig. 4 is a schematic view of a scrubber according to the present invention.
Detailed Description
A centrifugal force and downward force counteracting structure of a floor washing machine chassis comprises a bottom plate 1 and a cover 17, wherein the bottom plate 1 is fixed in the cover 17 through screws, a middle rotary seat 6 connected with a floor washing machine operating rod is fixed at the outer top of the cover 17 through bolts, a battery box 17-1 with an opening at the top is arranged on the cover 17, a rechargeable lithium battery 8 is placed in the battery box 17-1, a vacuumizing motor component 2 electrically connected with the rechargeable lithium battery 8, a brush disc motor 3 and a water pump 4 are installed at the upper part of the bottom plate 1, an output shaft of the brush disc motor 3 downwards penetrates through the bottom plate 1 and then is connected with a disc brush fixing disc 11 in a transmission manner, a brush disc 12 is fixed at the lower part of the disc brush fixing disc 11, an air suction pipeline of the vacuumizing motor component 2 is connected to an air suction pipe connector of a floor washing machine sewage tank, at least one rotary caster 16 is installed at the lower part of the bottom plate 1 through a wheel carrier, the direction of rolling of the swivel caster wheel 16 is the same as the direction of rotation of the brush tray 12.
The main points of this application technical scheme improvement lie in: at least one rotary caster 16 is added at the lower part of the bottom plate 1, or more rotary casters can be added, and the rotary casters are uniformly distributed by taking the circle center of the brush disc 12 as the center. As shown in fig. 1, 2 and 4, in the floor washing process, if the rotating caster wheel 16 is not provided, when the brush tray 12 rotates to contact with the floor, a centrifugal force is generated, the whole floor washing machine moves to one side, and an operator needs to rotate the floor washing machine with a force beyond a working range, so that the floor washing machine moves according to a normal track, and the operation is very laborious. Through the improvement (the additional swivel caster wheel 16) of this scheme, wash ground in-process, swivel caster wheel 16 follows and rotates together, can offset the centrifugal force that produces when brush dish 12 is rotatory, and the control is whole to wash ground machine just more light.
As shown in fig. 1, 2, 3 and 4, by adding a plurality of damping springs 21 (the damping springs 21 may be multiple) to the wheel frame 15 of the swivel caster 16, when the floor cleaning machine is operated to clean the floor, the damping springs 21 extend up and down, and with the difference of the weight of the floor cleaning machine and the difference of the elastic force of the springs, the downward pressure (i.e. gravity) of the brush tray 12 on the floor cleaning machine can be automatically adjusted, i.e. the downward pressure of the whole floor cleaning machine acting on the brush tray 12 is adjusted or offset by the damping springs 21, so that the controllability of the floor cleaning machine is more flexible and easier.
The wheel frame 15 comprises a lower wheel frame 15-1 and an upper wheel frame 15-2 fixedly connected with the lower part of the bottom plate 1, the rotating caster wheel 16 is rotatably installed on the lower wheel frame 15-1, the lower wheel frame 15-1 is slidably connected on the upper wheel frame 15-2 through a guide post 15-3 on the lower wheel frame 15-1, a damping spring 21 is sleeved on the guide post 15-3, the upper end of the damping spring 21 is pressed on the upper wheel frame 15-2, and the lower end of the damping spring 21 is pressed on the lower wheel frame 15-1. Two left and right damper springs 21 are usually provided on each lower wheel frame 15-1.
A brush disc shield 13 is fixed on the lower portion of the bottom plate 1, the brush disc shield 13 is bent into an arc-shaped structure, a skirt brush 14 is fixed on the outer side of the brush disc shield 13 of the arc-shaped structure, and a plurality of air outlets 17-2 are formed in the side wall, close to the vacuumizing motor assembly 2, of the machine cover 17.
A charging port 5 electrically connected with a rechargeable lithium battery 8 is arranged on one side of the cover 17, and a battery cover 7 is clamped on an opening of the battery box 17-1.
The upper rear part of the cover 17 is provided with a rear wheel 18 through a rear wheel frame 19, and the rear wheel frame 19 and the top surface of the cover 17 are inclined at an angle.
The middle rotary seat 6 is bent upwards to form an upper U-shaped frame 6-1 and bent downwards to form a lower U-shaped frame 6-2, the upper U-shaped frame 6-1 is used for being rotatably connected with an operating rod of the floor washing machine, the lower end of the lower U-shaped frame 6-2 is bent outwards to form a fixing part 6-3, and a bolt penetrates through a through hole in the fixing part 6-3 to fix the middle rotary seat 6 on the cover 17.
And a plane bearing 10 is arranged between the output shaft of the brush disc motor 3 and the disc brush fixing disc 11.
The suction cup assembly 9 is installed on the bottom plate 1 through bolts, the suction cup assembly 9 is connected to a sewage suction port of a sewage tank of the floor washing machine, and the suction cup assembly 9 is of an arc structure which is opposite to the brush disc shield 13.
The vacuum pumping motor component 2 is formed by arranging a vacuum pumping motor in a closed plastic box, and a sound insulation material is filled in a gap between the inner wall of the plastic box and the vacuum pumping motor.
Claims (9)
1. A centrifugal force and downward pressure counteracting structure of a floor washing machine chassis comprises a bottom plate (1) and a cover (17), wherein the bottom plate (1) is fixed in the cover (17) through screws, a middle rotary seat (6) connected with a floor washing machine operating rod is fixed at the outer top of the cover (17) through bolts, a battery box (17-1) with an opening at the top is arranged on the cover (17), a rechargeable lithium battery (8) is placed in the battery box (17-1), a vacuum pumping motor component (2) electrically connected with the rechargeable lithium battery (8), a brush disc motor (3) and a water pump (4) are installed at the upper part of the bottom plate (1), an output shaft of the brush disc motor (3) downwards penetrates through the bottom plate (1) and then is connected with a disc brush fixing disc (11) in a transmission manner, a brush disc (12) is fixed at the lower part of the disc brush fixing disc (11), and an air suction pipeline of the vacuum pumping motor component (2), the method is characterized in that: at least one rotating caster (16) is installed on the lower portion of the bottom plate (1) through a wheel frame (15), a connecting line between the rotating casters (16) penetrates through the center of the brush disc (12), and the rolling direction of the rotating casters (16) is the same as the rotating direction of the brush disc (12).
2. The structure of claim 1, wherein the structure is adapted to counteract the centrifugal force and downward pressure of the chassis of a floor washing machine, and comprises: the wheel frame (15) comprises a lower wheel frame (15-1) and an upper wheel frame (15-2) fixedly connected with the lower part of the bottom plate (1), the rotating caster (16) is rotatably installed on the lower wheel frame (15-1), the lower wheel frame (15-1) is slidably connected to the upper wheel frame (15-2) through a guide column (15-3) on the lower wheel frame (15-1), a damping spring (21) is sleeved on the guide column (15-3), the upper end of the damping spring (21) is pressed on the upper wheel frame (15-2), and the lower end of the damping spring (21) is pressed on the lower wheel frame (15-1).
3. The structure of claim 2, wherein the structure for counteracting the centrifugal force and the downward pressure of the chassis of the washing machine comprises: a brush disc shield (13) is fixed on the lower portion of the bottom plate (1), the brush disc shield (13) is bent into an arc-shaped structure, a skirt brush (14) is fixed on the outer side of the brush disc shield (13) of the arc-shaped structure, and a plurality of air outlets (17-2) are formed in the side wall, close to the vacuumizing motor assembly (2), of the cover (17).
4. The structure of claim 3, wherein the structure for counteracting the centrifugal force and the downward pressure of the chassis of the washing machine comprises: a charging port (5) electrically connected with a rechargeable lithium battery (8) is installed on one side of the cover (17), and a battery cover (7) is clamped on an opening of the battery box (17-1).
5. The structure of claim 4, wherein the structure is adapted to counteract the centrifugal force and downward pressure of the chassis of the washing machine, and comprises: the upper rear part of the cover (17) is provided with a rear wheel (18) through a rear wheel frame (19), and the rear wheel frame (19) and the top surface of the cover (17) are inclined at an angle.
6. The structure of claim 5, wherein the structure is adapted to counteract the centrifugal force and downward pressure of the chassis of a floor washing machine, and comprises: the middle rotary seat (6) is bent upwards to form an upper U-shaped frame (6-1) and bent downwards to form a lower U-shaped frame (6-2), the upper U-shaped frame (6-1) is used for being rotatably connected with an operating rod of the floor washing machine, the lower end of the lower U-shaped frame (6-2) is bent outwards to form a fixing part (6-3), and a bolt penetrates through a through hole in the fixing part (6-3) to fix the middle rotary seat (6) on the cover (17).
7. The structure of claim 6, wherein the structure for counteracting the centrifugal force and the downward pressure of the chassis of the washing machine comprises: a plane bearing (10) is arranged between an output shaft of the brush disc motor (3) and the disc brush fixing disc (11).
8. The structure of claim 7, wherein the structure for counteracting the centrifugal force and the downward pressure of the chassis of the washing machine comprises: the suction cup assembly is characterized in that the suction cup body assembly (9) is mounted on the bottom plate (1) through bolts, the suction cup body assembly (9) is connected to a sewage suction port of a sewage tank of the floor washing machine, and the suction cup body assembly (9) is of an arc structure which is opposite to the brush disc protective cover (13).
9. The structure of claim 8, wherein the structure for counteracting the centrifugal force and the downward pressure of the chassis of the washing machine comprises: the vacuum pumping motor assembly (2) is formed by arranging a vacuum pumping motor in a closed plastic box, and a sound insulation material is filled in a gap between the inner wall of the plastic box and the vacuum pumping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304835.5A CN110934547A (en) | 2019-12-17 | 2019-12-17 | Centrifugal force and downforce offset structure of floor scrubber chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304835.5A CN110934547A (en) | 2019-12-17 | 2019-12-17 | Centrifugal force and downforce offset structure of floor scrubber chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110934547A true CN110934547A (en) | 2020-03-31 |
Family
ID=69912039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911304835.5A Withdrawn CN110934547A (en) | 2019-12-17 | 2019-12-17 | Centrifugal force and downforce offset structure of floor scrubber chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110934547A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113598667A (en) * | 2021-08-09 | 2021-11-05 | 合肥酷尔环保科技有限公司 | Small-size portable scrubber |
| CN114190828A (en) * | 2021-12-09 | 2022-03-18 | 深圳市杉川机器人有限公司 | Cleaning assembly of cleaning robot and cleaning robot with cleaning assembly |
-
2019
- 2019-12-17 CN CN201911304835.5A patent/CN110934547A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113598667A (en) * | 2021-08-09 | 2021-11-05 | 合肥酷尔环保科技有限公司 | Small-size portable scrubber |
| CN113598667B (en) * | 2021-08-09 | 2022-05-17 | 合肥酷尔环保科技有限公司 | Small-size portable scrubber |
| CN114190828A (en) * | 2021-12-09 | 2022-03-18 | 深圳市杉川机器人有限公司 | Cleaning assembly of cleaning robot and cleaning robot with cleaning assembly |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200331 |
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| WW01 | Invention patent application withdrawn after publication |