WO2016000588A1

WO2016000588A1 - Floor washing and drying machine

Info

Publication number: WO2016000588A1
Application number: PCT/CN2015/082655
Authority: WO
Inventors: 张周新
Original assignee: 张周新
Priority date: 2014-07-01
Filing date: 2015-06-29
Publication date: 2016-01-07
Also published as: CN104127158A; CN104127158B

Abstract

A floor washing and drying machine comprising a brush plate (1) arranged below a chassis (9) of the machine, where a suction hole (2) is provided at the center of the brush plate (1), while bristles, brush blades or brush strips rotate centripetally, and the suction hole (2) is in direct communication with an air inlet of an impeller (4) via a suction channel (3), also comprising a water spraying mechanism consisting of a clean water tank (52), a water pump (53), and a nozzle (54), and, a wastewater collecting mechanism consisting of, arranged at the periphery of the impeller (4), a wastewater collecting groove (61) and a wastewater tank (63). The water spraying mechanism is responsible for spraying water. The brush plate (1) is responsible for scrubbing and squeezing wastewater to the suction opening (2) at the center. The impeller (4) produces a negative pressure to draw in the wastewater. The wastewater collecting mechanism is used for collecting the wastewater spattered out by the impeller. Obviated is the need for an airflow that is mixed with the wastewater to pass through a filter before entering the impeller (4). An airflow discharged by the impeller (4) is not discharged via a narrow channel.

Description

Washing and drying machine

{Technical field}

The invention relates to a cleaning device for spraying water, scrubbing and sewage recycling, and is mainly used for washing and drying a dryer (also called a washing machine and a mopping machine) for cleaning the ground.

{Background technique}

At present, in large shopping malls, hospitals, and public places, you can see the washing machine used to clean the ground at work. It is pushed or driven by people. The price is basically higher than 10,000 yuan, and the volume and power are also large. Generally, it is more than 400W, suitable for use in a wide field. The main one that can meet the needs of small venues or crowded places is the ultra-small small-scale scrubber dryer SC350. The price is relatively high and the structure is very complicated. It is also very large, and there is no small-power, low-cost scrubber that can meet the needs of the home.

{Invention content}

The invention utilizes the brush disc design described in CN201210446511.7 to meet a new low-cost scrubbing dryer, mainly for the brush disc, and to improve the commonly used scrubber sewage collecting system, which requires only a simple mechanism and small The power of the water absorption motor can meet the function of collecting sewage.

The invention is designed in such a manner that it mainly comprises a brush plate, a suction port, a suction passage, an impeller, a sprinkling mechanism and a sewage collecting mechanism, and at least one brush plate is arranged under the chassis of the washing and drying machine, and a suction port is arranged in the middle of the brush plate. At least one of the bristles, the brush sheets and the brush strips are arranged at intervals. When the brush disc rotates, the bristles, the brush sheets or the brush strips rotate centripetally, the bottom of the suction passage is a suction port, and the top portion is an impeller air inlet.

The sprinkler mechanism includes a clean water tank, a water pump or a water valve, and a water outlet, and at least one water outlet of the sprinkler mechanism is disposed at a periphery or an outer edge of the bottom brush disc.

The sewage collection mechanism includes a sewage collection tank and a sewage tank disposed at the periphery of the impeller, and a sewage discharge port at the lowest point of the sewage collection tank, the sewage discharge port is directly opposite to the sewage inlet of the sewage tank, or between the sewage discharge port and the sewage inlet of the sewage tank The pipelines are connected, or the sewage discharge port is connected with the sewage discharge pipe. The main function of the sewage collection tank is to separate the water and gas, and the sewage is discharged in a concentrated manner, and the airflow is discharged to the upper or both sides (upper and lower) of the sewage collection tank.

The sprinkler mechanism is responsible for spraying water, brushing the tray and washing the sewage into the middle suction port. The impeller generates negative pressure to suck the sewage, and the sewage collecting mechanism is used to collect the sewage sprinkled by the impeller. The airflow mixed with sewage does not bend before entering the impeller, and does not need to pass through the filter screen. The airflow discharged from the impeller is not discharged through the narrow passage. The airflow is less frequently, so the impeller has high operating efficiency. After testing, the impeller drive motor of about 10W The driven impeller (about 10,000 rpm) has been able to collect the sewage on the ground.

{Illustration of the drawings}

1 to 2 are cross-sectional views showing the structure of a floor washing apparatus of the present invention.

Figure 3 is a plan view of the sewage tank (a), the clean water tank (b), and the tail water tray (c) of Figure 2;

4 to 5 are double views of the appearance of the floor washing apparatus of the present invention.

{Invention Example}

The washing and drying machine of the present invention mainly comprises a brush tray 1, a suction port 2, a suction passage 3, an impeller 4, a sprinkling mechanism and a sewage collecting mechanism, and at least one brush tray 1 is disposed under the chassis of the washing and drying machine. The middle portion of the disc 1 has a suction port 2, and at least one of the bristles, the brush sheets and the brush strips are arranged at intervals on the brush disc 1. When the brush disc 1 rotates, the bristles, the brush sheets or the brush strips rotate centripetally, and the suction passage 3 is The bottom is the suction port 2, and the top is the air inlet of the impeller 4.

The sprinkler mechanism includes one of the fresh water input pipe 51 and the clean water tank 52, the water pump 53 (common gear pump) or the water valve (common solenoid valve), the water outlet (nozzle) 54, and the water outlet (nozzle) 54 of the sprinkler mechanism has at least One is disposed at the outer or outer edge of the bottom brush 1 . Existing sprinklers or sprinklers on single wiping machines have mature techniques and can be used in the present invention (the difference is that some existing machines are central effluent, while the brush discs provided by the present invention require water at the edges).

The sewage collection mechanism comprises a sewage collection tank 61 disposed at the periphery of the impeller, and a sewage tank 63. The sewage collection tank 61 is an annular water tank having a hole in the middle, a wall having an outer edge of the air outlet of the impeller 4, and a sewage discharge port 64 at the lowest point. The sewage discharge port 64 may or may not be provided with a filter screen. The sewage discharge port 64 is connected to the sewage inlet 65 of the sewage tank 63, or the sewage discharge port 64 is connected to the sewage inlet 65 of the sewage tank 63, and the sewage is collected. The main function of the trough is to separate the water and gas. The sewage is discharged in a concentrated manner, and the airflow is discharged to the upper side of the sewage collecting tank. The discharged air stream entrains a small amount of water vapor, and the air outlet of the casing can be further filtered by a filter 11 such as a sponge. In order to prevent the sewage from colliding with the sewage collecting tank 61, the water droplets are splashed and carried away by the airflow, and the screen can be provided with a splash-proof screen on the wall of the airflow exiting the impeller, and the cross-section of the groove wall can be arranged in a circular arc shape to allow splashing. The water droplets fly to the center of the airflow outlet; or the slot wall is set diagonally downward, as shown in Figure 1. The groove wall can also be arranged obliquely upwards, and a plurality of grooves can be arranged on the groove wall to accommodate water droplets to prevent water droplets from being carried away by the air flow. The sewage collection tank 61 can be disposed on the machine chassis 9 or the top cover 8 via a bracket, wherein a portion of the front cover adjacent to the impeller 4 can replace the impeller front cover, and the gap between the impeller 4 and the impeller 4 is required to be as small as possible and cannot be encountered.

According to different stain levels and different use environments and appropriate cleaning device speed, the distribution density of the bristles on different brush discs 1, adjust the different brush disc rotation speed, adjust the water discharge amount of the sprinkler mechanism (modulate the voltage of the water pump and solenoid valve) Or frequency), so that the water (cleaning liquid) and the stain on the ground are fully mixed, on the one hand, the cleaning effect is ensured, on the other hand, the water suction is ensured at the suction port, and the gas and the liquid mixture are mixed into the impeller, and the liquid sprinkled by the impeller 4 is inertia. The wall of the sewage collection tank 61 is struck and flows to the sewage outlet 64 at the bottom, and the separated air flow through the water filtration (although it is sewage) can be directly discharged to the outer casing of the cleaning mechanism.

If the clean water tank 52 needs to be extracted from above, the water discharge pipe of the sprinkler mechanism can be arranged in sections, for example, the upper and lower coarse nesting manner (as shown in Fig. 2), the sprinkler head 54 of the sprinkler mechanism is generally fixed, the clean water tank 52 and the water pump 53 segment It can be extracted, and the water pump 53 and the water outlet part can be fixed. The water intake section of the water pump 53 can be nested and separated, but the pipe needs to be sealed, and a sealing ring can be arranged at the joint; if the water tank 52 can be pulled from the side, the sprinkling mechanism The outlet pipe can be nested by side nesting.

A tail water tray 7 (see FIG. 2, FIG. 3(c)) for collecting tail water (sewage adhered to the wall of the suction passage pipe and the impeller after the impeller stops rotating) may be disposed between the suction passage 3 and the impeller 4. The water outlet 71 of the tail water tray 7 is opposite to the opening of the sewage tank 63, and the water outlet can also be connected to the sewage tank 63 through a pipe. The tail water tray 7 can be fixed to the machine chassis 9 by a bracket or set on the suction passage 3. , can be hung on the lower edge of the sewage collection tank 61. A movable door can be arranged under the water outlet 71 of the tail water tray 7. When the impeller driving motor 41 is working, the movable door blocks the water outlet 71 of the water tray 7 due to the negative pressure, and the impeller 4 does not suck the airflow from the tail water tray. When the impeller drive motor 41 is stopped, the movable door is opened by gravity, and the tail water is dripped into the sewage tank 63.

The sewage inlet 65 of the sewage tank 63 is open or closed, and is connected to the sewage outlet 64 at the lowest point of the sewage collection tank 61 through a water pipe. The advantage of the opening is that the sewage tank 63 serves as a separate component for facilitating the washing from the land. The utility model has the advantages that the open sewage tank 63 is not sanitary enough, and the sewage may be splashed when the machine moves or tilts. A cover 66 may be arranged at the sewage inlet 65, and the cover 66 has a hole for connecting the water outlet of the sewage outlet 64. The insertion, or the periphery of the cover 66 or the sewage inlet 65, has a groove 67 which is approximately larger than the water pipe, and the water pipe can be embedded and covered, or the cover 66 can be inserted into the water pipe, and the bottom of the cover 66 can be embedded above the sewage tank 63. In the recess 68, as shown in Fig. 3(a). Or there is a spring between the cover 66 and the sewage tank 63, and the spring is pressed down, the cover 66 and the sewage tank 63 can be separated from the upper sewage outlet 64, and the sewage tank 63 can be removed; the spring is released, and the cover 66 (the upper edge is used for sealing) The rubber ring) bears against the lower edge of the sewage collection tank 61, and the hole of the cover 66 covers the sewage outlet 64. If the sewage discharge valve 69 is provided at the lowest point on the bottom of the sewage tank, the sewage outlet 64 and the sewage tank 63 can be closed. The sewage tank 63 is not removed from the machine, and the machine is dumped to a sewer or a sink or a basin. Press the valve such as the top (pressure) rod to discharge the sewage, or set the sewage discharge port on the charging seat (connected to the pipeline to introduce the sewage into the sewer), set the protrusion on the periphery of the discharge port, jack up the sewage discharge valve 69, and discharge the sewage. The recovery of valve 69 relies on springs and rubber washers (seal rings). The sewage discharge valve 69 is similar to the water outlet of the water dispenser, and has a ready-made technology and will not be specifically described. If it is used as an automatic machine, the sewage discharge valve 69 can also be automatically controlled by electromagnetic means.

The clean water tank 52 (as shown in Fig. 3(b)) has a clean water injection port (which may include a water injection valve) for adding clean water or a cleaning liquid and a disinfecting liquid, and the fresh water injection port may be covered with 55, and an overflow hole may be provided at the top of the clean water tank 52. 56. After the water tank is filled with water, the excess overflow water is discharged through the overflow hole 56 to the shallowest portion of the sewage collection tank 61, and then injected into the sewage tank 63, which functions to flush the two components. A flushing tube can also be provided at the top cover 8 of the casing to align with the shallowest portion of the collecting trough to provide a separate flushing action. Preferably, the machine with automatic flushing function is provided with a drain valve 69 in the sewage tank 63 to discharge the sewage while flushing. The flushing pipe can be connected to the same inlet of the fresh water inlet, and whether the influent water enters the clean water tank 52 or the sewage collecting tank 61 in a manual or electric (automatic) flap (plate) manner. The method of injecting clean water can directly inject water into the faucet (or water pipe) of the machine's clean water injection port. For smart machines, the tap water pipe can also be connected to the charging stand (and the sewage drain pipe is connected to the sewer), and the charging seat is also provided with clean water injection. The valve, the injection valve discharge port has a smaller diameter than the clean water injection port. The charging base can also be provided with a cleaning liquid and a disinfectant filling valve inside, similar to the automatic washing machine. When flushing into the clean water, the cleaning liquid and the disinfecting liquid are mixed into the clean water injection port of the cleaning device. If an ozone generator is provided on the charging stand to generate ozone water, the disinfectant injection valve may not be provided.

A cylindrical thin tube may be disposed at the inner edge of the clean water tank 52. The bottom of the tube is flushed with the lowest point in the clean water tank, a float is arranged in the tube, a magnetic component is placed on the float, and a Hall switch is arranged outside the pipe (or the pipe wall). It is detected whether the water in the clean water tank 52 is used up.

The sewage tank 63 may be disposed above the chassis 9, the water tank 52 may be disposed on the chassis 9, as shown in FIG. 1, or the water tank 5 may be disposed above the sewage tank 63. As shown in FIG. 2, the shape of the water tank 52 and the sewage tank 63 may be As shown in Figure 3 (a, b The gap in the middle of the sewage tank 63 may be provided with a suction passage 3, a driving mechanism of the brush tray 1, a brush drive motor 13, a battery, a control board, and the like. The clean water tank 52 can also be arranged above the casing, as shown in Figures 4 and 5, similar to the existing single wiper setting mode, the power source (battery or AC stabilized power supply) and the clean water tank 52, the control box are set on the push rod (handle ) 10 on. The cleaning mechanism can be made thinner and can be pushed under the table and chair at all or at the front end. Even the sewage tank 63 is even placed on the push rod 10, and a water pump is provided between the sewage tank 63 and the sewage collecting tank 61 to pump the sewage into the sewage tank 63.

The clean water tank and the sewage tank can also be integrated, the middle separated water tank, or save space, is a box (almost only one box of water or sewage volume), such as sewage in the upper, clear water in the bottom (or left and right ), separated by a piston (having a certain thickness of the movable baffle) (can be separated by a rubber seal), or even at least one flexible bag (plastic or rubber material, only one soft bag of water or sewage, bag) The other box is equipped with another kind; or two soft bags of clean water and sewage are provided), the bag mouth is closed to the tank body as a clean water injection port or a sewage inlet 65, the clean water injection port is covered, and the water pump 53 is pumped on the cover. Water pipe.

Ultraviolet disinfection lamps may be disposed above or in the clean water tank 52, the sewage tank 63, the sewage collection tank 61, and the tail water tray 7, to periodically disinfect these components. Even the machine casing (including the power supply, control circuit, switch, motor part) with metal shielding, the shield built-in magnetron, similar to the form of a microwave oven to the water tank 52, the sewage tank 63, the sewage collection tank 61, the tail water tray 7 Sterilization requires that these parts be made of high temperature resistant materials suitable for microwaves.

Preferably, the impeller 4 driving motor 41 uses a waterproof motor, or applies a waterproof treatment to the ordinary motor, and includes a sealing ring 43 (generally a rubber ring) between the driving shaft and the motor casing. The motor casing is substantially sealed and can be opened at the tail cover. The hole is used for heat dissipation, or a cooling fan is installed, the heat dissipation air inlet and the air outlet of the motor may be disposed on the tail cover, or one of the tail cover is disposed on the outer casing, and the outer casing is separated from the exhaust passage of the impeller; The cooling fan allows the motor 41 to be powered off after a period of operation, and continues to work after cooling for a while. The bottom cover of the motor 41 can also be provided with a bottom hollow umbrella cover 44. As shown in FIG. 1, the sewage collection tank 61 and the upper filter sponge 11 can be directly washed with water at the air outlet above the sewage collection tank 61, and the umbrella cover 44 To prevent the water droplets from entering the motor 41.

The impeller 4 is generally a centrifugal impeller, or a pump impeller having a higher degree of vacuum, or a mixed impeller in which an axial flow and a centrifugal compound are combined, and a head (including an impeller) of the drive motor 41 on which the impeller 4 is mounted can be picked up and placed. It is connected to the sewage collection tank 61 or the machine chassis 9 through the bracket 42. The drive line of the motor on the machine can be connected with other lines through the elastic piece (like the battery or mobile phone battery connection mode of the notebook computer), and the components such as the clean water tank 52, the sewage tank 63, the sewage collection tank 61, and the tail water tray 7 can also be picked up. Or remove it from the side of the fuselage for filling the cleaning solution or cleaning.

The suction passage 3 of the present invention is generally a straight pipe that is vertically upward, and can of course be inclined or bent (generally not more than 90 degrees), and the airflow in the straight direction is more efficient, and the oblique or curved rotation can make the impeller vertical (phase) Corresponding to the chassis) or eccentric settings, the structure is more flexible. The suction passage 3 can also be thinned down or down. The suction port 2 at the inlet of the suction passage 3 may be provided with a mesh for shielding large aggregates of the garbage, and the mesh spacing or the thickness of the impeller at the entrance of the impeller 4 is almost as large (preventing the impeller from being blocked).

The brush tray 1 can also be provided in plurality, for example, two front and rear, the front two can be ordinary brush trays with water spray (the existing scrubbers use different materials according to different ground brushes), the latter two A brush disc 1 with or without water spray for a centering rotating belt with a wiper strip (sheet). The suction port 2 of the brush disk 1 and the drive shaft of the brush disk 1 can also be eccentrically arranged like some single wipers.

Claims

A scrubbing dryer, characterized in that it mainly comprises a brush tray (1), a suction port (2), a suction passage (3), an impeller (4), a sprinkling mechanism, a sewage collecting mechanism, and a washing and drying machine. At least one brush disc (1) is disposed under the chassis (9), and a suction port (2) is arranged in the middle of the brush disc (1), and at least one of the bristles, the brush sheets and the brush strips are arranged at intervals on the brush disc (1), and the brush disc is arranged (1) When rotating, the brush, the brush or the brush bar rotates centripetally, the bottom of the suction passage (3) is the suction port (2), the top is the inlet of the impeller (4); the sprinkling mechanism includes the water tank (52), The water pump (53) or the water valve, the spray head (54), and the spray head (54) are at least one disposed at a periphery or an outer edge of the bottom brush disc (1); and the sewage collecting mechanism includes a sewage collecting tank disposed at the periphery of the impeller (61) ), the sewage tank (63), and the sewage collection tank (61) has a sewage discharge port (64) at the lowest point.
A scrubber dryer according to claim 1, wherein the sewage discharge port (64) faces the sewage inlet (65) of the sewage tank (63).
A scrubber dryer according to claim 1, wherein the sewage discharge port (64) is connected to the sewage inlet (65) of the sewage tank (63).
A scrubber dryer according to claim 1, wherein a water tray (7) is provided between the suction passage (3) and the impeller (4), and a water outlet (71) of the tail water tray (7) is provided. The sewage inlet (65) is facing the sewage tank (63).