FABRIC CLEANING MACHINE WITH WATER CIRCULATION FUNCTION

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

The present application is a continuation of International Application No. PCT/CN2024/118861, filed on Sep. 13, 2024, and claims priority to Chinese Patent Application No. 202410786634.8, filed on Jun. 18, 2024, the entire disclosure of which is incorporated herein by reference.

TECHNICAL FIELD

The present invention relates to the related art of fabric cleaning machines, and in particular to a fabric cleaning machine with a water circulation function.

BACKGROUND

There are often many large-scale fabric products at home, making it impractical to clean them directly with water. However, if not cleaned regularly, they tend to accumulate dirt and grime. Therefore, fabric cleaning machines have become increasingly popular in recent years. Nevertheless, regular fabric cleaning machines usually require changing the water after each cycle, which can be quite inconvenient and wasteful, often necessitating multiple cycles. Moreover, considering large surface areas of the fabric products needing cleaning, the cleaning machine itself needs to be larger, making it cumbersome to use and place.

The Chinese patent with a publication number CN117694804A, issued on Mar. 15, 2024, discloses a multifunctional fabric cleaning machine, comprising a cleaning machine main body, a base, a sewage tank, a clean water tank, a cleaning assembly and a connecting pipe, wherein the sewage tank is internally provided with an air inlet pipe, an air outlet pipe, a water level buoy and a filtering assembly; openings are formed in tops of the air inlet pipe and the air outlet pipe, and the connecting pipe is disposed on the base and used for communicating a cleaning handle and the air inlet pipe; the water level buoy and the filtering assembly are disposed at the top of the air outlet pipe, the water level buoy is used for limiting a highest water level in the sewage tank, the filtering assembly is used for preventing hair or dust from entering the air outlet pipe, and the water level buoy and the filtering assembly are mutually replaced; and the cleaning assembly comprises a first cleaning brush head, a second cleaning brush head, a first hose and a connecting piece, the connecting piece is clamped with the connecting pipe, and the first cleaning brush head and the second cleaning brush head are replaced through the connecting piece. This invention solves the problem that hair and dust on fabric products cannot be directly sucked through filter cotton and the replaceable cleaning brush heads. This invention has the disadvantages that water needs to be changed frequently, and the multifunctional fabric cleaning machine is not convenient to use and place due to its volume.

SUMMARY

In order to overcome the shortcomings in the prior art that water needs to be changed frequently and the existing machine is not convenient to use and place due to its volume, the present invention provides a fabric cleaning machine with a water circulation function, which can recycle water and is more convenient to use and place.

To achieve the foregoing objective, the present invention adopts the following technical solution.

A fabric cleaning machine with a water circulation function, comprising: a sewage tank, a clean water tank, a machine body base and a machine body upper cover, wherein the machine body base is internally provided with a sewage pump and a suction motor, the sewage pump and the suction motor are mounted on the machine body base and placed between the machine body upper cover and the machine body base, the machine body upper cover is provided with a main switch, the main switch is fixedly connected with the machine body upper cover, the main switch is electrically connected with the suction motor, the machine body upper cover is placed on an upper end face of the machine body base and clamped with the upper end face of the machine body base, the sewage tank and the clean water tank are both clamped with an upper end face of the machine body upper cover, the sewage tank is provided with a water suction pipe and a filtering assembly, one end of the water suction pipe is fixedly connected with the sewage tank and is communicated with an interior of the sewage tank, the other end of the water suction pipe passes through the machine body base and is placed under the machine body base, an air outlet pipe is disposed in the sewage tank, the suction motor is communicated with the air outlet pipe in the sewage tank, a lower end face of the filtering assembly is in contact with a bottom surface of an interior of the sewage tank, the filtering assembly is connected with the sewage pump, and the clean water tank is connected with the sewage pump.

In preliminary preparation, the clean water tank, after being filled with water, is mounted on the machine body upper cover, at the same time the sewage tank is also mounted on the machine body upper cover, the sewage pump is communicated with the sewage tank and the clean water tank separately, and then the machine body upper cover with the sewage tank and the clean water tank is fixed to the machine body base. When in use, clean water in the clean water tank is sprayed onto a fabric product needing a cleaning machine, then the main switch is turned on so that sewage after cleaning is sucked into the sewage tank through the water suction pipe by the suction motor, then the sewage pump is turned on so that the sewage can be turned into clean water after passing through the filtering assembly, the clean water arrives at the clean water tank through the sewage pump and can be reused and circulated for many times. Moreover, the clean water tank and the sewage tank are integrated, so that the use is convenient, the space can be greatly saved, and the placement is facilitated, achieving the purposes of recycling water and being more convenient to use and place.

Preferably, the sewage pump is provided with two connecting water pipes I and a water pump switch, one end of each of the two connecting water pipes I is fixedly connected with the sewage pump, the other end of one of the connecting water pipes I passes through the sewage tank and is then communicated with the filtering assembly, and the other end of the other one of the connecting water pipes I is communicated with the clean water tank, the water pump switch is electrically connected with the sewage pump, and the water pump switch is fixedly connected with the machine body upper cover. The water pump switch can independently control the sewage pump, which is convenient to use, and the sewage pump facilitates pumping the filtered water directly to the clean water tank.

Preferably, the sewage tank is provided with a sewage tank inner cover and a sewage tank cover, an open end of the air outlet pipe in the sewage tank is placed close to the sewage tank inner cover, the sewage tank inner cover is placed in the sewage tank cover, the filtering assembly is connected with the sewage tank inner cover, a lower end face of the sewage tank cover is clamped with an upper end face of the sewage tank, the filtering assembly comprises a recovery bucket waterway connecting valve and a connecting water pipe II, the recovery bucket waterway connecting valve is clamped with the upper end face of the sewage tank inner cover, one end of the connecting water pipe II is connected with the recovery bucket waterway connecting valve, the other end of the connecting water pipe II is clamped with the sewage tank inner cover, one of the connecting water pipes I is provided with a waterway joint I, one end of the waterway joint I is connected with the connecting water pipe I, and the other end of the waterway joint I passes through the sewage tank cover and is then connected with the recovery bucket waterway connecting valve. The recovery bucket waterway connecting valve and the connecting water pipe II facilitate connecting to the sewage pump, and the sewage tank inner cover prevents the sewage from splashing and polluting surrounding components.

Preferably, the clean water tank is provided with a water outlet pump, two one-way water outlet valves, a clean water tank outlet and a waterway joint II, one of the one-way water outlet valves is in contact with the water outlet pump, the water outlet pump and one of the one-way water outlet valves are both placed in the clean water tank outlet and clamped with the clean water tank, the clean water tank outlet is fixedly connected with the clean water tank, one end of the waterway joint II is in contact with the other one-way water outlet valve, the other end of the waterway joint II is connected with one of the connecting water pipes I, and both the waterway joint II and the other one-way water outlet valve are clamped with the clean water tank. The one-way water outlet valve is convenient for preventing clean water and sewage from backflowing and polluting each other, and the water outlet pump and the clean water tank outlet are convenient for the clean water tank to discharge water.

Preferably, the filtering assembly further comprises a recovery bucket sewage inlet pipe, a filter metal mesh, a sealing gasket, a filter and filtering sponge, wherein an upper end of the recovery bucket sewage inlet pipe is connected with a lower end face of the sewage tank inner cover and communicated with an upper part of the sewage tank inner cover, the filter metal mesh is clamped with a lower end face of the recovery bucket sewage inlet pipe, the lower end face of the recovery bucket sewage inlet pipe is in contact with the bottom surface of the interior of the sewage tank, the sealing gasket is in contact with an upper end face of the filter, the filter surrounds the recovery bucket sewage inlet pipe, the filtering sponge surrounds the filter, the upper end face and a lower end face of the filter are respectively in contact with the lower end face of the sewage tank inner cover and the inner bottom surface of the sewage tank, and an upper end face and a lower end face of the filter sponge are respectively in contact with the lower end face of the sewage tank inner cover and the inner bottom surface of the sewage tank. The filter metal mesh, the filter and the filtering sponge are convenient for sequentially filtering out coarse stone particles, dust, and sewage foam, thus enhancing the ability to filter sewage.

Preferably, the sewage tank inner cover is provided with a water passage rod and a clamping groove I, the water passage rod is fixedly connected with an upper end face of the sewage tank inner cover, the water passage rod is communicated with a lower part of the sewage tank inner cover, one end of the connecting water pipe II is clamped with the sewage tank inner cover through the water passage rod, the connecting water pipe II is communicated with the water passage rod, the clamping groove I is placed on the upper end face of the sewage tank inner cover, and the recovery bucket waterway connecting valve is clamped with the upper end face of the sewage tank inner cover through the clamping groove I. The connecting water pipe II can be directly connected with the water passage rod, which is also convenient for installation and disassembly; and the clamping groove I facilitates fixing the recovery bucket waterway connecting valve, thus improving the stability.

Preferably, a clamping groove II is formed in an outer side surface of the clean water tank, a through hole is formed in the clamping groove II, the through hole is communicated with an interior of the clean water tank, an inner end of the waterway joint II and an outer end of the other one-way water outlet valve are both placed in the clamping groove II, an outer side surface of the waterway joint II is in contact with an inner wall of the clamping groove II, a clamping tail is disposed at an outer end of the one-way water outlet valve, the clamping tail surrounds an outer side surface of the one-way water outlet valve and is integrally formed with the one-way water outlet valve, and the one-way water outlet valve is clamped with the clamping groove II through the clamping tail. The clamping groove II and the clamping tail facilitate limiting and fixing the waterway joint II and the one-way water outlet valve.

Preferably, the one-way water outlet valve is provided with a spring, a sealing ring and a retaining ring, the retaining ring surrounds the outer side surface of the one-way water outlet valve and is integrally formed with the one-way water outlet valve, the sealing ring surrounds the outer side surface of the one-way water outlet valve and is clamped with the one-way water outlet valve through the retaining ring, the sealing ring has a shape that is wider in a middle and gradually tapers towards two ends, the spring surrounds the outer side surface of the one-way water outlet valve, one end of the spring is fixedly connected with the sealing ring, and the other end of the spring is connected with an inner wall of the through hole. The retaining ring and the spring can respectively block the sealing ring and allow the sealing ring to have a certain range of movement, and the trapezoidal sealing ring facilitates sealing the through hole, thus preventing backflow of water.

Preferably, the clean water tank and the sewage tank are each provided with a handle I, and the handles I are rotatably connected with the clean water tank and the sewage tank respectively. The handle I facilitates holding and placing the clean water tank and the sewage tank.

Preferably, the machine body upper cover is provided with a handle II, the handle II is fixedly connected with the machine body upper cover, and the clean water tank and the sewage tank are placed on a left side and a right side of the handle II respectively. The handle II facilitates moving the whole cleaning machine.

The present invention has the following beneficial effects that the purposes of recycling water and being more convenient to use and place are achieved; the water pump switch can independently control the sewage pump, which is convenient to use, and the sewage pump facilitates pumping the filtered water directly to the clean water tank; the recovery bucket waterway connecting valve and the connecting water pipe II facilitate connecting to the sewage pump, and the sewage tank inner cover prevents the sewage from splashing and polluting surrounding components; the one-way water outlet valve is convenient for preventing clean water and sewage from backflowing and polluting each other, and the water outlet pump and the clean water tank outlet are convenient for the clean water tank to discharge water; the filter metal mesh, the filter and the filtering sponge are convenient for sequentially filtering out coarse stone particles, dust, and sewage foam, thus enhancing the ability to filter sewage; the connecting water pipe II can be directly connected with the water passage rod, which is also convenient for installation and disassembly; the clamping groove I facilitates fixing the recovery bucket waterway connecting valve, thus improving the stability; the clamping groove II and the clamping tail facilitate limiting and fixing the waterway joint II and the one-way water outlet valve; the retaining ring and the spring can respectively block the sealing ring and allow the sealing ring to have a certain range of movement, and the trapezoidal sealing ring facilitates sealing the through hole, thus preventing backflow of water; the handle I facilitates holding and placing the clean water tank and the sewage tank; the handle II facilitates moving the whole cleaning machine.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged view of a detail A of FIG. 2;

FIG. 4 is an enlarged view of a detail B of FIG. 2; and

FIG. 5 is a cross-sectional view of a waterway joint II and a one-way water outlet valve that are mounted on the clean water tank.

DETAILED DESCRIPTION

The present invention is further described in detail below with reference to the accompanying drawings and the specific embodiments.

As shown in FIG. 1 and FIG. 2, a fabric cleaning machine with a water circulation function comprises a sewage tank 1, a clean water tank 2, a machine body base 3 and a machine body upper cover 4, wherein the machine body base 3 is internally provided with a sewage pump 5 and a suction motor 6, the sewage pump 5 and the suction motor 6 are mounted on the machine body base 3 and placed between the machine body upper cover 4 and the machine body base 3, the machine body upper cover 4 is provided with a main switch 8, the main switch 8 is fixedly connected with the machine body upper cover 4, the main switch 8 is electrically connected with the suction motor 6, the machine body upper cover 4 is placed on an upper end face of the machine body base 3 and clamped with the upper end face of the machine body base 3, the sewage tank 1 and the clean water tank 2 are both clamped with an upper end face of the machine body upper cover 4, the sewage tank 1 is provided with a water suction pipe 7 and a filtering assembly, one end of the water suction pipe 7 is fixedly connected with the sewage tank 1 and is communicated with an interior of the sewage tank 1, the other end of the water suction pipe 7 passes through the machine body base 3 and is placed under the machine body base 3, an air outlet pipe 35 is disposed in the sewage tank 1, the suction motor 6 is communicated with the air outlet pipe 35 in the sewage tank 1, a lower end face of the filtering assembly is in contact with a bottom surface of an interior of the sewage tank 1, the filtering assembly is connected with the sewage pump 5, and the clean water tank 2 is connected with the sewage pump 5.

As shown in FIG. 2 and FIG. 3, the sewage pump 5 is provided with two connecting water pipes I 9 and a water pump switch 10, one end of each of the two connecting water pipes I 9 is fixedly connected with the sewage pump 5, the other end of one of the connecting water pipes I 9 passes through the sewage tank 1 and is then communicated with the filtering assembly, and the other end of the other one of the connecting water pipes I 9 is communicated with the clean water tank 2, the water pump switch 10 is electrically connected with the sewage pump 5, and the water pump switch 10 is fixedly connected with the machine body upper cover 4.

As shown in FIG. 2 and FIG. 4, the sewage tank 1 is provided with a sewage tank inner cover 11 and a sewage tank cover 14, an open end of the air outlet pipe 35 in the sewage tank 1 is placed close to the sewage tank inner cover 11, the sewage tank inner cover 11 is placed in the sewage tank cover 14, the filtering assembly is connected with the sewage tank inner cover 11, a lower end face of the sewage tank cover 14 is clamped with an upper end face of the sewage tank 1, the filtering assembly comprises a recovery bucket waterway connecting valve 12 and a connecting water pipe II 25, the recovery bucket waterway connecting valve 12 is clamped with the upper end face of the sewage tank inner cover 11, one end of the connecting water pipe II 25 is connected with the recovery bucket waterway connecting valve 12, the other end of the connecting water pipe II 25 is clamped with the sewage tank inner cover 11, one of the connecting water pipes I 9 is provided with a waterway joint I 13, one end of the waterway joint I 13 is connected with the connecting water pipe I 9, and the other end of the waterway joint I 13 passes through the sewage tank cover 14 and is then connected with the recovery bucket waterway connecting valve 12.

As shown in FIG. 1 and FIG. 2, the clean water tank 2 is provided with a water outlet pump 15, two one-way water outlet valves 17, a clean water tank outlet 18 and a waterway joint II 16, one of the one-way water outlet valves 17 is in contact with the water outlet pump 15, the water outlet pump 15 and one of the one-way water outlet valves 17 are both placed in the clean water tank outlet 18 and clamped with the clean water tank 2, the clean water tank outlet 18 is fixedly connected with the clean water tank 2, one end of the waterway joint II 16 is in contact with the other one-way water outlet valve 17, the other end of the waterway joint II 16 is connected with one of the connecting water pipes I 9, and both the waterway joint II 16 and the other one-way water outlet valve 17 are clamped with the clean water tank 2.

As shown in FIG. 2 and FIG. 4, the filtering assembly further comprises a recovery bucket sewage inlet pipe 19, a filter metal mesh 20, a sealing gasket 21, a filter 22 and filtering sponge 23, wherein an upper end of the recovery bucket sewage inlet pipe 19 is connected with a lower end face of the sewage tank inner cover 11 and communicated with an upper part of the sewage tank inner cover 11, the filter metal mesh 20 is clamped with a lower end face of the recovery bucket sewage inlet pipe 19, the lower end face of the recovery bucket sewage inlet pipe 19 is in contact with a bottom surface of an interior of the sewage tank 1, the sealing gasket 21 is in contact with an upper end face of the filter 22, the filter 22 surrounds the recovery bucket sewage inlet pipe 19, the filtering sponge 23 surrounds the filter 22, the upper end face and a lower end face of the filter 22 are respectively in contact with the lower end face of the sewage tank inner cover 11 and the inner bottom surface of the sewage tank 1, and an upper end face and a lower end face of the filter sponge 23 are respectively in contact with the lower end face of the sewage tank inner cover and the inner bottom surface of the sewage tank.

As shown in FIG. 2 and FIG. 4, the sewage tank inner cover 11 is provided with a water passage rod 24 and a clamping groove I 26, the water passage rod 24 is fixedly connected with an upper end face of the sewage tank inner cover 11, the water passage rod 24 is communicated with a lower part of the sewage tank inner cover 11, one end of the connecting water pipe II 25 is clamped with the sewage tank inner cover 11 through the water passage rod 24, the connecting water pipe II 25 is communicated with the water passage rod 24, the clamping groove I 26 is placed on the upper end face of the sewage tank inner cover 11, and the recovery bucket waterway connecting valve 12 is clamped with the upper end face of the sewage tank inner cover 11 through the clamping groove I 26.

As shown in FIG. 5, a clamping groove II 27 is formed in an outer side surface of the clean water tank 2, a through hole 28 is formed in the clamping groove II 27, the through hole 28 is communicated with an interior of the clean water tank 2, an inner end of the waterway joint II 16 and an outer end of the other one-way water outlet valve 17 are both placed in the clamping groove II 27, an outer side surface of the waterway joint II 16 is in contact with an inner wall of the clamping groove II 27, a clamping tail 29 is disposed at an outer end of the one-way water outlet valve 17, the clamping tail 29 surrounds an outer side surface of the one-way water outlet valve 17 and is integrally formed with the one-way water outlet valve 17, and the one-way water outlet valve 17 is clamped with the clamping groove II 27 through the clamping tail 29.

As shown in FIG. 5, the one-way water outlet valve 17 is provided with a spring 30, a sealing ring 31 and a retaining ring 32, the retaining ring 32 surrounds the outer side surface of the one-way water outlet valve 17 and is integrally formed with the one-way water outlet valve 17, the sealing ring 31 surrounds the outer side surface of the one-way water outlet valve 17 and is clamped with the one-way water outlet valve 17 through the retaining ring 32, the sealing ring 31 has a shape that is wider in a middle and gradually tapers towards two ends, the spring 30 surrounds the outer side surface of the one-way water outlet valve 17, one end of the spring 30 is fixedly connected with the sealing ring 31, and the other end of the spring 30 is connected with an inner wall of the through hole 28.

As shown in FIG. 1 and FIG. 2, the clean water tank 2 and the sewage tank 1 are each provided with a handle I 33, and the handles I 33 are rotatably connected with the clean water tank 2 and the sewage tank 1 respectively.

As shown in FIG. 1, the machine body upper cover 4 is provided with a handle II 34, the handle II 34 is fixedly connected with the machine body upper cover 4, and the clean water tank 2 and the sewage tank 1 are placed on a left side and a right side of the handle II 34 respectively.

In preliminary preparation, the clean water tank 2, after being filled with water, is mounted on the machine body upper cover 4 with the handle I 33, at the same time the sewage tank 1 is also mounted on the machine body upper cover 4 with the other handle I 33, the sewage pump 5 is communicated with the sewage tank 1 in a manner that one end of the connecting water pipe I 9 with the waterway joint I 13 passes through the sewage tank cover 14 and is then connected with the recovery bucket waterway connecting valve 12 on the clamping groove 26 on the sewage tank inner cover 11, then the sewage pump 5 is communicated with the clean water tank 2 in a manner that one end of the connecting water pipe I 9 with the waterway joint II 16 is clamped into the clamping groove II 27 and is then in contact with the one-way water outlet valve 17, and then the machine body upper cover 4 with the sewage tank 1 and the clean water tank 2 is fixed to the machine body base 3 by holding the handle II 34. When in use, clean water in the clean water tank 2 is sprayed onto a fabric product to be cleaned through a clean water tank water outlet 18 by the water outlet pump 15, the one-way water outlet valve 17 at the clean water tank water outlet 18 can ensure the one-way flow of a waterway, then the main switch 8 is turned on so that the suction motor 6 can suck sewage after cleaning into the sewage tank 1 via the water suction pipe 7 by a suction force caused by the air outlet pipe 35, then the water pump switch 10 is turned on to start the sewage pump 5, the sewage sequentially passes through the filtering sponge 23 to remove foam and passes through the filter 22 to remove large particles and passes through the filter 22 to remove fine impurities such as dust in the water, the sealing gasket 21 facilitates the installation and fixation of the filter 22, the cleaned water flows out of the sewage tank 1 from the recovery bucket sewage inlet pipe 19, the water passage rod 24, the connecting water pipe II 25 and the recovery bucket waterway connecting valve 12, and then reaches the clean water tank 2 through one connecting water pipe I 9, the sewage pump 5 and the other connecting water pipe I 9, when the filtered water passes through the one-way water outlet valve 17, the clamping tail 29 on the one-way water outlet valve 17 moves in the through hole 28 under the acting force of water, at the same time the clamping tail 29 ensures that the one-way water outlet valve 17 will not be separated from the clamping groove II 27, the spring 30 provides room for the sealing ring 31 to move, and at this time the spring 30 is compressed and the water enters the clean water tank 2 from the through hole 28. When the sewage pump 5 stops operating, the spring 30 is released, which drives the one-way water outlet valve 17 to reset; and the retaining ring 32 on the one-way water outlet valve 17 drives the sealing ring 31 to move towards a direction of the through hole 28 until the through hole 28 is sealed, so that the sealing ring 31 can block the through hole 28 to prevent the waterway from crossing when backflow occurs. In this way, water in the cleaning machine can be reused and circulated for many times, and the clean water tank 2 and the sewage tank 1 are mounted on the machine body upper cover 4 as a whole and are taken and used as a whole by means of the handle II 34, so that the use is convenient; the water is recycled, and an area of the water tank can be reduced, so that the space is greatly saved and it is convenient to place, thereby achieving the purposes of recycling water and being more convenient to use and place.