CN217959980U - Charging water changing device of household floor washing machine - Google Patents

Abstract

The utility model discloses a charging and water changing device of a household floor washing machine, wherein a charging contact is arranged on the side wall of a containing cavity of the floor washing machine, and a charging positioning column is arranged at the bottom of the containing cavity of the floor washing machine; the upper surface that floor scrubber holds the chamber is seted up jaggedly, fills the upper portion of electric pile body and is provided with and goes up and down to trade water subassembly, water purification case and sewage case, and the lower extreme that goes up and down to trade the water subassembly is just to the breach setting, and the entry of water purification pump passes through pipeline and water purification case intercommunication, and the export of water purification pump passes through the pipeline and goes up and down to trade the water subassembly intercommunication, and the entry of sewage pump passes through the pipeline and goes up and down to trade the water subassembly intercommunication, the export of sewage pump is used for the exhaust. The effects are as follows: effectively providing a charging function for the floor washing machine; the floor cleaning machine can reach the designated position in the charging and water changing processes, and the positioning accuracy of the floor cleaning machine is improved; meanwhile, the functions of opening the upper cover of the floor washing machine, supplementing purified water and discharging sewage are realized; the intelligent degree is high, and work efficiency is high, and manufacturing cost is showing and is reducing.

Description

Charging water changing device of household floor washing machine

Technical Field

The utility model relates to a fill electric pile technical field, concretely relates to domestic washing machine's water installation that trades that charges.

Background

The charging device is used as one of important parts of a household floor washing machine, two floor washing machines are mainly used in the prior art, one is a handheld floor washing machine, and the charging device has the defects that the capacities of a clean water tank and a sewage tank are small, the replacement is required to be completed through manual operation, the operation efficiency is low, and the intelligent degree is low; the other type is a fixed charging pile type floor washing machine which has the defects that a charging pile is complex in structure, the occupied space is large, the water purification and sewage replacement efficiency is low, only manual replacement can be achieved, full-automatic replacement cannot be achieved, and replacement is not thorough.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a domestic washing machine's water installation that trades that charges to solve the above-mentioned problem among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

according to the first aspect of the utility model, the charging and water changing device of the household floor washing machine comprises a charging pile body, a lifting and water changing assembly, a charging positioning column, a charging contact, a purified water tank, a sewage tank, a purified water pump and a sewage pump; a ground washing machine accommodating cavity is formed in the lower portion of the charging pile body, the charging contact is arranged on the side wall of the ground washing machine accommodating cavity, and the charging positioning column is arranged at the bottom of the ground washing machine accommodating cavity; the upper surface that the floor cleaning machine holds the chamber is seted up jaggedly, the upper portion that the floor cleaning machine holds the chamber is provided with go up and down trade water subassembly the water purification case and the sewage case, it is just right that the lower extreme that goes up and down to trade the water subassembly the breach sets up, the entry of water purification pump pass through the pipeline with water purification case intercommunication, the export of water purification pump pass through the pipeline with go up and down trade water subassembly intercommunication, the entry of sewage pump pass through the pipeline with go up and down trade water subassembly intercommunication, the export of sewage pump is used for the exhaust.

Furthermore, the lifting water changing assembly comprises a mounting seat, a lifting motor, a screw rod, a lifting block, a purified water supply pipe, a turnover cover driving rod and a sewage pumping pipe; the mount pad is fixed it is originally internal to fill electric pile, elevator motor installs the upper end of mount pad, elevator motor's output shaft set up downwards and with the screw rod is connected, threaded connection has on the screw rod the elevator, install simultaneously on the elevator the water purification supply pipe flip actuating lever and sewage pumpback pipe, the water purification supply pipe passes through the water purification pump with the water purification case is connected, sewage pumpback pipe pass through the pipeline with the sewage case intercommunication, the sewage case pass through the pipeline with the sewage pump intercommunication.

Furthermore, the lifting water changing assembly further comprises a lower limit travel switch and an upper limit travel switch, the side face of the mounting seat is respectively provided with the lower limit travel switch and the upper limit travel switch, and the upper limit travel switch is located above the lower limit travel switch.

Further, still include water injection scavenging air valve, the water purification supply line's lower extreme is provided with the water injection scavenging air valve.

Further, still include three way connection, solenoid valve and flowmeter, the water purification case pass through the pipeline with three way connection's first end is connected, three way connection's second end is provided with the solenoid valve, three way connection's third end pass through the pipeline with the entry linkage of water purification pump, the export of water purification pump with the flowmeter is connected, the flowmeter pass through the pipeline with the upper end of water purification supply pipe is connected.

Furthermore, the water purification device further comprises a water suction pipe and a filter head, the first end of the three-way joint is connected with the upper end of the water suction pipe, the lower end of the water suction pipe extends into the bottom of the water purification tank, and the filter head is arranged at the lower end of the water suction pipe.

Further, still include the spacing subassembly that floats, the upper end of sewage case is provided with the spacing subassembly that floats.

Furthermore, the clean water tank and the sewage tank are both vertically taken out; or the purified water tank and the sewage tank are both in a turnover taking-out mode.

Further, when the water purification case with the sewage case is the upset and takes out the mode, still include first upset casing, first fixed casing, first pivot, first spacing axle and first guide way, first fixed casing is fixed fill electric pile originally internally, the vertical side of first fixed casing is provided with first breach, the lower extreme of first upset casing passes through first pivot swivelling joint is in the lower limb department of first breach, the water purification case inlays to be established in the first upset casing, on the first upset casing with the surface that first fixed casing is close to has seted up first guide way, first guide way is the arc wall, the centre of curvature of first guide way is located the axis department of first pivot, the side of first fixed casing is fixed with first spacing axle, first spacing axle sliding connection be in the first guide way.

Further, when the water purification case with the sewage case is the upset mode of taking out, still include second upset casing, the fixed casing of second, second pivot, the spacing axle of second and second guide way, the fixed casing of second is fixed it is internal to fill electric pile, the vertical side of the fixed casing of second is provided with the second breach, the lower extreme of second upset casing passes through the second pivot is rotated and is connected in the lower limb department of second breach, the sewage case inlays to be established in the second upset casing, seted up on the second upset casing with the surface that the fixed casing of second is close to the second guide way, the second guide way is the arc wall, the center of curvature of second guide way is located the axis department of second pivot, the side of the fixed casing of second is fixed with the spacing axle of second, the spacing axle sliding connection of second is in the second guide way.

Further, when the water purification case with the sewage case is the upset and takes out the mode, still include the upper cover, first upset casing with the upset opposite direction of second upset casing, first upset casing with second upset casing sets up respectively the lift trades the both sides of water subassembly, works as first upset casing with when second upset casing all is located initial position, the upper cover covers the setting and is in first upset casing reaches the top of second upset casing.

The utility model has the advantages of as follows: through the charging and water changing device of the household floor washing machine, the charging function is effectively provided for the floor washing machine through the charging contact arranged in the charging pile body; by arranging the charging positioning column, the floor cleaning machine is effectively ensured to reach a specified position in the charging and water changing process, and the positioning precision of the floor cleaning machine is improved; through the arrangement of the lifting water changing assembly, the functions of opening the upper cover of the floor washing machine, supplementing purified water and discharging sewage are realized; the device has high intelligent degree, high working efficiency and obviously reduced manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.

Fig. 1 is a structural diagram of a structure of a vertical taking-out mode of a clean water tank and a sewage tank of a charging water-changing device of a household floor washing machine according to some embodiments of the present invention.

Fig. 2 is a structural diagram of a turning and taking mode of a clean water tank and a sewage tank of a charging and water-changing device of a household floor washing machine according to some embodiments of the present invention.

Fig. 3 is a perspective view of a charging and water-changing device of a household floor washing machine according to some embodiments of the present invention.

Fig. 4 is a perspective structure view of a charging water-changing device of a household floor washing machine according to some embodiments of the present invention.

Fig. 5 is a perspective structure view of a charging water-changing device of a household floor washing machine according to some embodiments of the present invention.

Fig. 6 is a partial three-dimensional structure view of a charging water-changing device of a household floor washing machine according to some embodiments of the present invention.

Fig. 7 is a partial perspective view of a charging and water-changing device of a household floor washing machine according to some embodiments of the present invention.

Fig. 8 is a perspective view of a charging and water changing device of a household floor washing machine according to some embodiments of the present invention.

Fig. 9 is a water changing assembly structure diagram of a charging water changing device of a household floor washing machine according to some embodiments of the present invention.

Fig. 10 is a structural view of a turning and taking out mode of a clean water tank and a sewage tank of a charging and water-changing device of a household floor washing machine according to some embodiments of the present invention.

In the figure: 1. charging pile body, 2, a containing cavity of a scrubber, 3, a charging positioning column, 4, a lifting water-changing component, 5, a charging contact, 6, a first turnover shell, 7, a second turnover shell, 8, a first fixed shell, 9, a second fixed shell, 10, a first rotating shaft, 11, a second rotating shaft, 12, a first limit shaft, 13, a second limit shaft, 14, a water purification tank, 15, a sewage tank, 16, a floating limit component, 17, a water suction pipe, 18, a filter head, 19, a water purification pump, 20, a three-way joint, 21, a flowmeter, 22, a first guide groove, 23, a second guide groove, 24, an electromagnetic valve, 25, a sewage pump, 41, a mounting seat, 42, a lifting motor, 43, a screw rod, 44, a lifting block, 45, a water purification supply pipe, 46, a turnover cover driving rod, 47, a sewage return pipe, 48, a lower limit switch, 49, an upper water injection limit switch, 50 and a scavenging valve.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 9, in an embodiment of the first aspect of the present invention, a charging and water-changing device for a household floor-cleaning machine includes a charging pile body 1, a lifting and water-changing assembly 4, a charging positioning column 3, a charging contact 5, a clean water tank 14, a sewage tank 15, a clean water pump 19, and a sewage pump 25; a floor cleaning machine accommodating cavity 2 is formed in the lower portion of the charging pile body 1, a charging contact 5 is arranged on the side wall of the floor cleaning machine accommodating cavity 2, and a charging positioning column 3 is arranged at the bottom of the floor cleaning machine accommodating cavity 2; a notch is formed in the upper surface of the containing cavity 2 of the floor washing machine, a lifting water changing assembly 4, a clean water tank 14 and a sewage tank 15 are arranged on the upper portion of the containing cavity 2 of the floor washing machine, the lower end of the lifting water changing assembly 4 is arranged opposite to the notch, the inlet of a clean water pump 19 is communicated with the clean water tank 14 through a pipeline, the outlet of the clean water pump 19 is communicated with the lifting water changing assembly 4 through a pipeline, the inlet of a sewage pump 25 is communicated with the lifting water changing assembly 4 through a pipeline, the outlet of the sewage pump 25 is used for exhausting air, and the sewage pump 25 is a vacuum pump; here, it should be noted that the sewage pump 25 may be disposed outside the sewage tank 15, in which case the sewage tank 15 is disposed on a pipe between the sewage pump 25 and the elevation water exchange assembly 4, and the sewage pump 25 may be directly disposed inside the sewage tank 15.

In the above embodiment, it should be noted that the clean water pump 19 is used for injecting clean water in the clean water tank 14 of the charging pile body 1 into the clean water tank of the floor washing machine, and the sewage pump 25 is used for pumping sewage in the sewage tank carried by the floor washing machine into the sewage tank 15 of the charging pile body 1; in the working process of the embodiment, when the floor washing machine reaches the position set by the charging pile, the charging pile and the floor washing machine obtain on-position signals, the floor washing machine stops moving, the purified water supply pipe 45 and the sewage pumping-back pipe 47 in the charging pile body 1 move downwards under the driving of the lifting water changing assembly 4 and are respectively inserted into a clean water port of a purified water tank and a sewage port of a sewage tank of the floor washing machine, then the purified water pump 19 is started to inject clean water into the clean water tank of the floor washing machine, the sewage pump 25 is started to pump out sewage in the floor washing machine, a water level sensor is arranged in the clean water tank of the floor washing machine, the floor washing machine informs the charging pile to stop water injection when the water level reaches the corresponding position, and the water pumping function is stopped when the charging pile knows that the sewage tank of the floor washing machine does not contain sewage; after the floor washing machine finishes the actions of water injection and water pumping, the clean water supply pipe 45 and the sewage back-pumping pipe 47 are respectively separated from the floor washing machine under the driving of the lifting water-changing assembly 4, and a clean water tank and a sewage tank port of the floor washing machine are closed.

In the embodiment, the charging pile is informed that the sewage in the floor washing machine is pumped out and cleaned in one or more of the following modes:

A. a water level sensor is arranged in a sewage tank in the floor washing machine, and when the water level of the sewage is lower than a set position, the floor washing machine sends a signal to the charging pile.

B. The current value of the sewage pump 25 in the charging pile when pumping water has large difference, and the water level state in the sewage tank of the floor washing machine can be judged by detecting the working current of the sewage pump 25.

C. A flowmeter is arranged in the floor cleaning machine or the charging pile, and the water level state in a sewage tank of the floor cleaning machine is judged according to the numerical value of the flowmeter.

In the embodiment, after the ground washing machine returns to the pile, the ground washing machine is positioned in a signal induction mode, only the function of contacting with the charging contact 5 to charge can be achieved, but the position of the ground washing machine in the charging pile cannot be accurately positioned, and the relative position of the charging pile and the ground washing machine can be accurately positioned by arranging the charging positioning column 3, so that the exchange of purified water and sewage is carried out, the sewage in the ground washing machine is guided into the charging pile, and the purified water in the charging pile is supplemented into the ground washing machine; through signal location's mode when the scrubber returns the stake, the straight line gets into and fills electric pile, after the body gets into to fill electric pile, fills two in the electric pile reference column 3 that charges, can enter into scrubber fuselage constant head tank, when the reference column 3 that charges of both sides all enters into the constant head tank, scrubber and the relative position of filling electric pile reach the accurate location.

The technical effects achieved by the above embodiment are as follows: according to the charging and water changing device of the household floor washing machine, the charging contact is arranged in the charging pile body, so that the charging function is effectively provided for the floor washing machine; by arranging the charging positioning column, the floor cleaning machine is effectively ensured to reach a specified position in the charging and water changing process, and the positioning precision of the floor cleaning machine is improved; the functions of opening the upper cover of the floor washing machine, supplementing purified water and discharging sewage are realized through the arrangement of the lifting water changing assembly; the device has high intelligent degree, high working efficiency and obviously reduced manufacturing cost.

Alternatively, as shown in fig. 1 to 9, in some embodiments, the lifting water changing assembly 4 includes a mounting base 41, a lifting motor 42, a screw 43, a lifting block 44, a purified water supply pipe 45, a flip cover driving rod 46, and a sewage pumping-back pipe 47; the mount pad 41 is fixed in filling electric pile body 1, elevator motor 42 is installed in the upper end of mount pad 41, elevator motor 42's output shaft sets up downwards and is connected with screw rod 43, threaded connection has elevator 44 on the screw rod 43, install clean water supply pipe 45 simultaneously on the elevator 44, flip actuating lever 46 and sewage pumpback pipe 47, clean water supply pipe 45 passes through clean water pump 19 and is connected with clean water tank 14, sewage pumpback pipe 47 passes through the pipeline and communicates with sewage case 15, sewage case 15 passes through the pipeline and communicates with sewage pump 25.

In the above optional embodiment, it should be noted that, after the floor washing machine enters the supply station and positioning of the equipment is completed, the charging pile receives a signal and controls the lifting water changing component 4 to drive the clean water supply pipe 45, the flip cover driving rod 46 and the sewage pumping back pipe 47 to move downward at the same time, the flip cover driving rod 46 first contacts with the flip cover above the floor washing machine and opens (the normal state of the flip cover is a sealed state), and continues to move downward until the clean water supply pipe 45 opens the check valve of the clean water tank of the floor washing machine and the sewage pumping back pipe 47 presses down the sewage port sealing silicone ring, at this time, the end position travel switch is triggered, and water feeding and water discharging automatically stop moving; then the water purification pump 19 is started to supplement water for the water purification tank of the scrubber; simultaneously, the sewage pump 25 is started to pump back the sewage tank of the floor scrubber; when the water level sensors of the clean water tank and the sewage tank of the floor washing machine are triggered, the clean water pump 19 and the sewage pump 25 are closed, the lifting water changing assembly 4 is reset, and when the starting position travel switch is triggered, the lifting water changing assembly 4 stops moving.

The beneficial effects of the above alternative embodiment are: the lift through this embodiment trades water subassembly 4, has realized synchronous water purification supply pipe 45, flip actuating lever 46 and the downward removal of sewage pumpback pipe 47 simultaneously, and accurate realization carries out water purification replenishment, sewage pumpback operation to the scrubber, has avoided trading the water purification that the in-process produced effectively and the emergence of the sewage condition of revealing, and the water changing process is faster, trades the water action more accurate.

Optionally, as shown in fig. 1 to 9, in some embodiments, the lifting water changing assembly 4 further includes a lower limit travel switch 48 and an upper limit travel switch 49, the lower limit travel switch 48 and the upper limit travel switch 49 are respectively disposed on the side of the mounting seat 41, and the upper limit travel switch 49 is located above the lower limit travel switch 48.

In the above alternative embodiment, it should be noted that the upper limit travel switch 49 is used to define the upper limit position of the elevator block 44, and the lower limit travel switch 48 is used to define the lower limit position of the elevator block 44.

The beneficial effects of the above alternative embodiment are: by arranging the lower limit travel switch 48 and the upper limit travel switch 49, the lifting accuracy of the lifting block 44 is effectively guaranteed, and a good limiting effect is achieved.

Optionally, as shown in fig. 1 to 9, in some embodiments, a water filling and air exchanging valve 50 is further included, and the water filling and air exchanging valve 50 is disposed at the lower end of the clean water supply pipe 45.

In the above-mentioned alternative embodiment, it should be noted that the water filling ventilation valve 50 is used for discharging the air from the clean water tank while filling the clean water tank of the floor washing machine body, so as to achieve more smooth water filling.

The beneficial effects of the above alternative embodiment are: through the water injection scavenging valve 50 arranged on the purified water supply pipe 45, the reverse backflow phenomenon is effectively avoided.

Optionally, as shown in fig. 1 to 9, in some embodiments, the apparatus further includes a three-way joint 20, an electromagnetic valve 24 and a flow meter 21, the clean water tank 14 is connected to a first end of the three-way joint 20 through a pipeline, a second end of the three-way joint 20 is provided with the electromagnetic valve 24, a third end of the three-way joint 20 is connected to an inlet of the clean water pump 19 through a pipeline, an outlet of the clean water pump 19 is connected to the flow meter 21, and the flow meter 21 is connected to an upper end of the clean water supply pipe 45 through a pipeline.

In the above alternative embodiment, it should be noted that after water is directly supplied by the clean water pump 19 and the clean water pump 19 stops supplying water, the water in the clean water supply pipe 45 remains in the clean water supply pipe 45 and flows out at a slow speed, so that there is a risk of flowing onto the floor washing machine and flowing out to the ground; aiming at the problem, the equipment is connected through a hose, when the equipment is not started, the electromagnetic valve 24 is in an open state, and air can pass through the electromagnetic valve; when the water injection is started, the electromagnetic valve 24 is closed, and the air circulation is stopped; the water is pumped into the floor washing machine from the water purification tank 14 through the water purification supply pipe 45 by the water purification pump 19, the flow is recorded by the flowmeter 21, when the flow counted by the flowmeter 21 reaches the preset capacity of the water tank of the floor washing machine, the electromagnetic valve 24 is opened again, the water purification pump 19 continues to work, the water in the water purification supply pipe 45 continues to be injected into the water tank of the floor washing machine, the air enters because the electromagnetic valve 24 is opened, the water in the water purification tank 1 does not enter the water purification pump 19 any more, therefore, the water in the water purification supply pipe 45 completely enters the water tank of the floor washing machine, and finally, the water purification pump 19 is closed.

The beneficial effects of the above alternative embodiment are: through setting up three way connection 20 and solenoid valve 24, the effectual clean work of discharging of having realized water storage in water purification supply line 45 has avoided the remaining of water purification supply line 45.

Optionally, as shown in fig. 1 to 9, in some embodiments, the water purification device further includes a suction pipe 17 and a filter 18, a first end of the three-way joint 20 is connected to an upper end of the suction pipe 17, a lower end of the suction pipe 17 extends into the bottom of the purified water tank 14, and the filter 18 is disposed at a lower end of the suction pipe 17.

In the above-mentioned alternative embodiment, it should be noted that the filter head 18 is a filter screen.

The beneficial effects of the above alternative embodiment are: through setting up rose 18, guaranteed the cleanliness factor that the water purification was carried, avoided the pollutant to enter into the water purification case of scrubber.

Optionally, as shown in fig. 1 to 9, in some embodiments, a floating limiting assembly 16 is further included, and the upper end of the waste water tank 15 is provided with the floating limiting assembly 16.

In the above alternative embodiment, it should be noted that, when the water level in the sewage tank 15 in the charging pile body 1 exceeds the preset position, the floating limiting assembly 16 acts to block the negative pressure inlet in the sewage tank 15, and the sewage pump 25 stops working.

The beneficial effects of the above alternative embodiment are: through the arrangement, the situation that the sewage tank 15 in the charging pile body 1 is full is effectively avoided.

Alternatively, as shown in fig. 1, in some embodiments, both the fresh water tank 14 and the foul water tank 15 are vertically taken out; alternatively, as shown in fig. 2 to 4, both the fresh water tank 14 and the foul water tank 15 are inverted and taken out.

In the above-described alternative embodiment, it should be noted that, when both the fresh water tank 14 and the foul water tank 15 are taken out vertically, both the fresh water tank 14 and the foul water tank 15 are taken out vertically upward from above the entire apparatus; when both the fresh water tank 14 and the foul water tank 15 are taken out in an inverted manner, both the fresh water tank 14 and the foul water tank 15 are taken out in an inverted manner from the side of the entire apparatus.

Optionally, as shown in fig. 2 to 4 and 10, in some embodiments, when the fresh water tank 14 and the foul water tank 15 are both in an inverted taking-out mode, the fresh water tank further includes a first inverted casing 6, a first fixed casing 8, a first rotating shaft 10, a first limiting shaft 12 and a first guide groove 22, the first fixed casing 8 is fixed in the charging pile body 1, a first notch is formed in a vertical side surface of the first fixed casing 8, a lower end of the first inverted casing 6 is rotatably connected to a lower edge of the first notch through the first rotating shaft 10, the fresh water tank 14 is embedded in the first inverted casing 6, the first guide groove 22 is formed in a surface of the first inverted casing 6, which is close to the first fixed casing 8, the first guide groove 22 is an arc-shaped groove, a curvature center of the first guide groove 22 is located at an axis of the first rotating shaft 10, the first limiting shaft 12 is fixed on a side surface of the first fixed casing 8, and the first limiting shaft 12 is slidably connected in the first guide groove 22.

In the above alternative embodiment, it should be noted that the above structural connection relationship is only one, and all that can realize the outward turning of the first turnover casing 6 and take out the clean water tank 14 are the protection scope of the present application, and in addition, an inward concave buckle is arranged on the outer side surface of the first turnover casing 6, when the clean water tank 14 is taken out, the first turnover casing 6 rotates around the first rotating shaft 10, and the first limiting shaft 12 prevents the first turnover casing 6 from exceeding the limit position.

The beneficial effects of the above alternative embodiment are: with the above structure, quick removal of the fresh water tank 14 is achieved.

Optionally, as shown in fig. 2 to 4 and 10, in some embodiments, when the fresh water tank 14 and the foul water tank 15 are both taken out in an overturning manner, the fresh water tank further includes a second overturning shell 7, a second fixed shell 9, a second rotating shaft 11, a second limiting shaft 13 and a second guide groove 23, the second fixed shell 9 is fixed in the charging pile body 1, a second notch is formed in a vertical side surface of the second fixed shell 9, a lower end of the second overturning shell 7 is rotatably connected to a lower edge of the second notch through the second rotating shaft 11, the foul water tank 15 is embedded in the second overturning shell 7, a second guide groove 23 is formed in a surface of the second overturning shell 7, which is close to the second fixed shell 9, the second guide groove 23 is an arc-shaped groove, a curvature center of the second guide groove 23 is located at an axis of the second rotating shaft 11, the second limiting shaft 13 is fixed on a side surface of the second fixed shell 9, and the second limiting shaft 13 is slidably connected in the second guide groove 23.

In the above-mentioned alternative embodiment, it should be noted that the above structural connection relationship is only one, and all the functions that the second turnover housing 7 can be turned outwards to take out the waste water tank 15 are within the protection scope of the present application, in addition, a concave handle is arranged on the outer side surface of the second turnover housing 7, when the waste water tank 15 is taken out, the second turnover housing 7 rotates around the second rotating shaft 11, and the second limiting shaft 13 prevents the second turnover housing 7 from exceeding the limit position.

The beneficial effects of the above alternative embodiment are: with the above structure, the sewage tank 15 is quickly taken out.

Optionally, as shown in fig. 2 to 4 and 10, in some embodiments, when both the fresh water tank 14 and the foul water tank 15 are taken out in an inverted manner, the fresh water tank further includes an upper cover, the first inverted casing 6 and the second inverted casing 7 are inverted in opposite directions, the first inverted casing 6 and the second inverted casing 7 are respectively disposed at two sides of the lifting water changing assembly 4, and when both the first inverted casing 6 and the second inverted casing 7 are located at the initial position, the upper cover covers the top of the first inverted casing 6 and the top of the second inverted casing 7.

The beneficial effects of the above alternative embodiment are: by providing the upper cover, it is ensured that both the fresh water tank 14 and the foul water tank 15 are in the vertical state when not replaced.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention without departing from the spirit thereof.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof without substantial changes in the technical content are also regarded as the scope of the present invention.

Claims (10)

1. A charging and water changing device of a household floor washing machine is characterized by comprising a charging pile body (1), a lifting and water changing assembly (4), a charging positioning column (3), a charging contact (5), a water purifying tank (14), a sewage tank (15), a water purifying pump (19) and a sewage pump (25); a ground washing machine accommodating cavity (2) is formed in the lower portion of the charging pile body (1), the charging contact (5) is arranged on the side wall of the ground washing machine accommodating cavity (2), and the charging positioning column (3) is arranged at the bottom of the ground washing machine accommodating cavity (2); the upper surface that the scrubber holds chamber (2) is seted up jaggedly, the upper portion that the scrubber holds chamber (2) is provided with go up and down trade water subassembly (4) water purification case (14) and sewage case (15), the lower extreme that goes up and down trade water subassembly (4) is just right the breach sets up, the entry of water purification pump (19) pass through the pipeline with water purification case (14) intercommunication, the export of water purification pump (19) pass through the pipeline with go up and down trade water subassembly (4) intercommunication, the entry of sewage pump (25) pass through the pipeline with go up and down trade water subassembly (4) intercommunication, the export of sewage pump (25) is used for the exhaust.

2. The charging and water-changing device of the household floor washing machine as claimed in claim 1, wherein the lifting and water-changing assembly (4) comprises a mounting seat (41), a lifting motor (42), a screw rod (43), a lifting block (44), a purified water supply pipe (45), a flip cover driving rod (46) and a sewage water pumping-back pipe (47); mount pad (41) are fixed fill in electric pile body (1), install elevator motor (42) the upper end of mount pad (41), the output shaft of elevator motor (42) set up downwards and with screw rod (43) are connected, threaded connection has on screw rod (43) elevator (44), install simultaneously on elevator (44) water purification supply pipe (45) flip actuating lever (46) and sewage pumpback pipe (47), water purification supply pipe (45) pass through water purification pump (19) with water purification case (14) are connected, sewage pumpback pipe (47) pass through the pipeline with sewage case (15) intercommunication, sewage case (15) pass through the pipeline with sewage pump (25) intercommunication.

3. The charging and water-changing device of a household floor washing machine as claimed in claim 2, characterized in that the lifting and water-changing assembly (4) further comprises a lower limit travel switch (48) and an upper limit travel switch (49), the lower limit travel switch (48) and the upper limit travel switch (49) are respectively arranged on the side surface of the mounting seat (41), and the upper limit travel switch (49) is positioned above the lower limit travel switch (48).

4. The charging and water-changing device of the household floor washing machine as claimed in claim 2, further comprising a water filling and air exchanging valve (50), wherein the water filling and air exchanging valve (50) is arranged at the lower end of the clean water supply pipe (45).

5. The charging and water-changing device of the household floor washing machine as claimed in claim 2, further comprising a three-way joint (20), an electromagnetic valve (24) and a flow meter (21), wherein the water purification tank (14) is connected with a first end of the three-way joint (20) through a pipeline, a second end of the three-way joint (20) is provided with the electromagnetic valve (24), a third end of the three-way joint (20) is connected with an inlet of the water purification pump (19) through a pipeline, an outlet of the water purification pump (19) is connected with the flow meter (21), and the flow meter (21) is connected with an upper end of the water purification supply pipe (45) through a pipeline.

6. The charging and water-changing device of the household floor washing machine as claimed in claim 5, further comprising a suction pipe (17) and a filter head (18), wherein the first end of the three-way joint (20) is connected with the upper end of the suction pipe (17), the lower end of the suction pipe (17) extends into the bottom of the purified water tank (14), and the filter head (18) is arranged at the lower end of the suction pipe (17).

7. The charging and water-changing device of the household floor washing machine as claimed in claim 2, further comprising a floating limit component (16), wherein the floating limit component (16) is arranged at the upper end of the sewage tank (15).

8. The charging and water-changing device of a household floor washing machine as claimed in claim 1, wherein said clean water tank (14) and said foul water tank (15) are both vertically taken out; or the purified water tank (14) and the sewage tank (15) are both in a turnover taking-out mode.

9. The charging and water changing device of the household floor washing machine as claimed in claim 8, characterized in that when the clean water tank (14) and the dirty water tank (15) are both in a reversed taking-out mode, the charging and water changing device further comprises a first reversed casing (6), a first fixed casing (8), a first rotating shaft (10), a first limiting shaft (12) and a first guide groove (22), wherein the first fixed casing (8) is fixed in the charging pile body (1), a first notch is formed in a vertical side surface of the first fixed casing (8), a lower end of the first reversed casing (6) is rotatably connected to a lower edge of the first notch through the first rotating shaft (10), the clean water tank (14) is embedded in the first reversed casing (6), the first guide groove (22) is formed in a surface of the first reversed casing (6) close to the first fixed casing (8), the first guide groove (22) is an arc-shaped groove, a curvature center of the first guide groove (22) is located at the position of the first rotating shaft (10), and a sliding axis of the first guide groove (22) is connected to the first fixed shaft (12);

the multifunctional charging pile is characterized by further comprising a second overturning shell (7), a second fixing shell (9), a second rotating shaft (11), a second limiting shaft (13) and a second guide groove (23), wherein the second fixing shell (9) is fixed in the charging pile body (1), a second notch is formed in the vertical side face of the second fixing shell (9), the lower end of the second overturning shell (7) is connected to the lower edge of the second notch in a rotating mode through the second rotating shaft (11), a sewage box (15) is embedded in the second overturning shell (7), the second guide groove (23) is formed in the surface, close to the second fixing shell (9), of the second overturning shell (7), the second guide groove (23) is an arc-shaped groove, the curvature center of the second guide groove (23) is located at the axis of the second rotating shaft (11), the second limiting shaft (13) is fixed to the side face of the second fixing shell (9), and the second limiting shaft (13) is connected in the second guide groove (23) in a sliding mode.

10. The charging and water-changing device of the household floor washing machine as claimed in claim 9, further comprising an upper cover when the clean water tank (14) and the foul water tank (15) are both in a turning and taking-out manner, wherein the turning directions of the first turning housing (6) and the second turning housing (7) are opposite, the first turning housing (6) and the second turning housing (7) are respectively arranged at two sides of the lifting and water-changing assembly (4), and when the first turning housing (6) and the second turning housing (7) are both located at the initial positions, the upper cover is arranged at the top of the first turning housing (6) and the second turning housing (7).

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