Cleaning water circulating device of scrubber

Abstract

The utility model discloses a cleaning water circulating device of a scrubber, which relates to the technical field of circulating water, and comprises a water containing tank body, a hollow shaft motor, a filtering structure and a circulating structure, the filtering structure is arranged in the water containing tank body, the hollow shaft motor drives the filtering structure to rotate, the hollow shaft motor is provided with a motor body and a hollow shaft, and the cleaning water circulating device further comprises a water collecting tank, the water collecting tank and the water containing tank body are integrally formed; the hollow shaft is partially inserted into the water collecting tank; a sealing ring is mounted between the hollow shaft and the wall body of the water collecting tank; a sealed water storage space is formed in the water collecting tank; a first water outlet hole is formed in the hollow shaft in the water collecting tank; a second water outlet hole is formed in the water collecting tank; water filtered by the filtering structure enters the water collecting tank through the first water outlet hole; the sewage circulating device can discharge filtered water through the hollow shaft and temporarily store the filtered water in the water collecting tank, so that water leakage is avoided, the filtered water can be discharged to the ground or supplied to the brush disc for cleaning, and sewage recycling is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of water recycling technology, and in particular to a water recycling device for a floor scrubber. Background Technology

[0002] A floor scrubber is a cleaning machine suitable for cleaning hard floors while simultaneously sucking up and removing wastewater from the site. It has advantages such as being environmentally friendly, energy-saving, and highly efficient.

[0003] Chinese invention patent application (publication number CN119483095A) discloses a hollow shaft motor and a cleaning water circulation filtration floor scrubber using the same motor. The hollow shaft motor is driven by the output shaft of the motor body and has an external cover. The hollow shaft has a first connecting part and a second connecting part at both ends. The first connecting part is a mechanical fixed connection structure, and the second connecting part is a split joint structure including a stationary ring part, a rotating ring part and a clamping device. By making the hollow shaft external and the two parts not coaxial, even if water leaks at the meshing point of the hollow shaft, it will not damage the motor, avoid power loss, and facilitate maintenance. The split joint structure, through the contact sealing design of the stationary ring part and the rotating ring part and the use of the clamping device, can realize the relative rotation between the hollow shaft and the external connection while meeting the sealing requirements, effectively preventing water leakage. In the cleaning water circulation filtration floor scrubber using this motor, it effectively prevents the connecting water pipe from getting tangled.

[0004] Chinese invention patent application (publication number CN119483095A) discloses a wastewater circulation filtration device for cleaning with a hollow shaft motor, including a water tank, a filtration structure, a circulation structure, and a hollow shaft motor. The water tank is used to hold clean water and recycled wastewater. The filtration structure includes a filter element and a water collection tray. The circulation structure includes a reclaimed water outlet pipe, a wastewater inlet pipe, and a pump body. The hollow shaft motor includes a motor body and a hollow shaft. The hollow shaft has a first connection part and a second connection part at both ends that can communicate with the outside. The first connection part is fixedly connected to the connecting flange of the filtration structure. The second connection part is a split-type joint structure. This utility model can provide rotational power for the filtration structure to clean the filter element, and can also achieve sealing through the split-type joint structure to allow the recycled water to be discharged and reused. Moreover, the structure is simple, has a wide range of applications, and does not require frequent water changes or filter element replacements, greatly improving cleaning efficiency.

[0005] Therefore, by combining the aforementioned wastewater circulation and filtration device and hollow shaft motor technology for floor scrubbers, a cleaning water circulation device for floor scrubbers is designed. This device is small in size and easy to install. It can concentrate the filtered water on the outside of part of the hollow shaft to prevent water leakage, facilitate wastewater recycling, and improve work efficiency, thereby overcoming the shortcomings of existing technologies. Utility Model Content

[0006] The purpose of this invention is to provide a cleaning water recycling device for a floor scrubber that features an optimized structure, small size, and easy installation. This device can concentrate filtered water on the outside of a partially hollow shaft to prevent leakage, facilitate wastewater recycling, and improve work efficiency.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A water circulation device for a floor scrubber includes a water tank, a hollow shaft motor, a filter structure, and a circulation structure. The filter structure is installed inside the water tank. The hollow shaft motor drives the filter structure to rotate while the water tank is fixed in position. The hollow shaft motor has a motor body and a hollow shaft. The filter structure has a filter element, a water collection tray, and a flange. The filter element is a filamentous hollow fiber membrane. The water collection tray is a hollow structure with a reclaimed water outlet. The water collection tray also has a reclaimed water inlet integrated and connected to the filter element. One end of the hollow shaft is fixedly connected to the flange and sealed and connected to the reclaimed water outlet. The circulation structure has a wastewater inlet pipe connected to the water tank and a wastewater suction pump body installed on the wastewater inlet pipe. The device also includes:

[0009] A water collection tank, wherein the water collection tank and the water holding tank body are integrally formed;

[0010] The hollow shaft portion is inserted into the water collection tank;

[0011] A sealing ring is installed between the hollow shaft and the wall of the water collection tank;

[0012] The water collection tank forms a sealed water storage space inside;

[0013] A first water outlet is provided on the hollow shaft located inside the water collection tank;

[0014] The water collection tank is provided with a second water outlet;

[0015] Water filtered through the filter structure enters the water collection tank through the first outlet.

[0016] Furthermore, slots are provided on the upper and lower walls of the water collection tank;

[0017] The two sets of sealing rings are respectively installed in the slots and make sealing contact with the hollow shaft.

[0018] Furthermore, the two sets of the first water outlet holes are symmetrically distributed on the hollow shaft.

[0019] Furthermore, the other end of the hollow shaft is sealed and extends to connect with the floor scrubber brush disc, serving as a drive shaft for the rotation of the floor scrubber brush disc.

[0020] Furthermore, the second water outlet is connected to a reclaimed water outlet pipe;

[0021] A water pump is connected to the reclaimed water outlet pipe;

[0022] Water located inside the water collection tank is drawn by a water pump and flows out through the reclaimed water outlet pipe to the front of the scrubbing machine brush.

[0023] The cleaning water recycling device for a floor scrubber of this invention, as described above, has the following beneficial effects:

[0024] The wastewater recycling device provided by this utility model is small in size and easy to install. The water collection tank and the sealing ring form a sealed water storage space, which can discharge the filtered water through the hollow shaft and temporarily store it in the water collection tank. This not only avoids water leakage, but also discharges it to the ground or supplies it to the brush plate for cleaning. It facilitates wastewater recycling, improves work efficiency, and has a more optimized structure. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0026] Figure 1 A schematic diagram showing the installation position of the water collection tank in a cleaning water circulation device for a floor scrubber, provided for an embodiment of this utility model;

[0027] Figure 2 A schematic diagram of the installation structure of the sealing ring in the cleaning water circulation device of a floor scrubber provided in an embodiment of this utility model;

[0028] Figure 3 A schematic diagram of the position of the first water outlet in a cleaning water circulation device of a floor scrubber provided in an embodiment of this utility model;

[0029] Figure 4 A schematic diagram of the position structure of the slot in the cleaning water circulation device of a floor scrubber provided in an embodiment of this utility model;

[0030] Figure 5 A schematic diagram of the structure of a floor scrubber brush plate installed in a cleaning water circulation device for a floor scrubber provided in an embodiment of this utility model;

[0031] Figure 6 A cross-sectional view of a water circulation device for a floor scrubber provided in an embodiment of this utility model.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Hollow shaft; 2. Water collection tank; 3. Sealing ring; 4. Reclaimed water outlet pipe; 5. Water pump; 6. Floor scrubber brush;

[0034] 11. First water outlet;

[0035] 21. Second water outlet; 22. Card slot. Detailed Implementation

[0036] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0037] It should be noted that the terms "one end," "the other end," "inside," "front," "upper," etc., used in this document indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of illustrative purposes and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0038] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection between the internal components of two elements. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0039] See Figure 1-6 As shown;

[0040] A cleaning water circulation device for a floor scrubber includes a water tank, a hollow shaft motor, a filter structure, and a circulation structure. The filter structure is installed inside the water tank. The hollow shaft motor drives the filter structure to rotate while the water tank is fixed in position. The hollow shaft motor has a motor body and a hollow shaft. The filter structure has a filter element, a water collection tray, and a flange. The filter element is a filamentous hollow fiber membrane. The water collection tray is a hollow structure with a reclaimed water outlet. The water collection tray also has a reclaimed water inlet integrated with and connected to the filter element. One end of the hollow shaft is fixed to the flange and sealed to the reclaimed water outlet. The circulation structure has a sewage inlet pipe connected to the water tank and a sewage suction pump body installed on the sewage inlet pipe. It also includes a water collection tank 2, a sealing ring 3, a reclaimed water outlet pipe 4, a water pump 5, and a floor scrubber brush 6. One end of the hollow shaft 1 is connected to the filter structure, and the other end of the hollow shaft 1 is sealed.

[0041] Specifically, the water collection tank 2 is integrally formed with the water holding tank body. The water collection tank 2 is located at the bottom of the water holding tank body. The hollow shaft 1 passes through the water collection tank 2. The water collection tank 2 is located on the outer periphery of the hollow shaft 1 between the filter structure and the motor body. A sealing ring 3 is installed between the hollow shaft 1 and the wall of the water collection tank 2. By installing the sealing ring 3, a sealed space, i.e. a sealed water storage space, is formed inside the water collection tank 2. A first water outlet 11 is opened on the hollow shaft 1 located inside the sealed water storage space. Water filtered by the filter structure in the water holding tank body flows down along the hollow shaft 1 through the regenerated water outlet and continuously flows into the interior of the water collection tank 2 through the first water outlet 11. A second water outlet 21 is opened on one side wall of the water collection tank 2. Water inside the water collection tank 2 can be discharged through the second water outlet 21 and will not leak from other places. Wastewater in the water holding tank body is filtered by the filter structure and then flows into the water collection tank 2 through the hollow part of the hollow shaft 1, and then is discharged through the second water outlet 21 for use.

[0042] Specifically, grooves 22 are provided on the upper and lower walls of the water collection tank 2, and two sets of sealing rings 3 are symmetrically installed in the grooves 22. The inner circumference of the sealing rings 3 is in sealing contact with the outer circumference of the hollow shaft 1, which can prevent water leakage.

[0043] Preferably, two sets of first water outlet holes 11 are symmetrically opened on the hollow shaft 1. The simultaneous discharge of water from the two sets of first water outlet holes 11 can provide a larger total flow rate, and the flow path of the water in the hollow shaft 1 is more uniform, reducing flow resistance and facilitating water discharge for use.

[0044] Meanwhile, the water collection tank 2 is not limited to being integrally formed with the water tank body. On the outside of the hollow part of the hollow shaft 1, the installation position can be adjusted according to the internal space requirements of the floor scrubber, and then sealed by the sealing ring 3 to form a corresponding sealed water storage space for water storage.

[0045] Among them, the structure that provides driving force for the hollow shaft 1 is not limited to a hollow shaft motor. Gear transmission, belt transmission, chain transmission, worm gear transmission and other methods can be selected according to the actual situation.

[0046] Example 1:

[0047] When the lower end of the hollow shaft 1 is blocked but not connected to the scrubbing machine brush 6, the hollow shaft motor can drive the filter structure to filter the sewage independently. At this time, the hollow shaft motor is not limited to unidirectional rotation or forward and reverse rotation.

[0048] The specific work process is as follows:

[0049] When in use, connect the floor scrubber to the power supply and control the floor scrubber's movement and the start and stop of the hollow shaft motor through the controller. During the movement of the floor scrubber, the hollow shaft motor runs continuously, causing the filter structure to filter the sewage in the water tank. The filtered water flows down through the hollow shaft and enters the water collection tank 2 through the first water outlet 11. Then it is discharged through the second water outlet 21 of the water collection tank 2, and can be discharged to the ground or other locations for use.

[0050] Example 2:

[0051] When the lower end of the hollow shaft 1 is sealed and connected to the scrubbing machine brush 6, the second water outlet 21 is connected to the reclaimed water outlet pipe 4. The reclaimed water outlet pipe 4 is connected to the water pump 5. After the water pump 5 is started, the water inside the water collection tank 2 is drawn out from the second water outlet 21 along the reclaimed water outlet pipe 4. The drawn water flows out to the front of the scrubbing machine brush 6. The scrubbing machine brush 6 rotates forward while the water flows to clean the ground. That is, the rotation of the hollow shaft 1 can simultaneously drive the filter structure to filter the sewage and drive the scrubbing machine brush 6 to rotate to clean the ground.

[0052] The floor scrubber has a base plate at the bottom inside, and the hollow shaft motor is fixedly installed on the base plate. The water pump 5 can also be installed on the top of the base plate.

[0053] The specific work process is as follows:

[0054] When in use, connect the floor scrubber to the power supply and control the floor scrubber's movement, the hollow shaft motor, and the water pump 5 to start and stop via the controller. During the floor scrubber's movement, the hollow shaft motor runs continuously, causing the filter structure and the floor scrubber brush 6 to work continuously. At this time, the water pump 5 pumps water intermittently and releases water flow through the reclaimed water outlet pipe 4 to the front of the floor scrubber brush 6. The water flow flows from the front of the floor scrubber brush 6 to the bottom of the brush on the floor scrubber brush 6, and the rotating brush cleans the floor through the water flow.

[0055] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A water circulation device for a floor scrubber, comprising a water tank, a hollow shaft motor, a filter structure, and a circulation structure, wherein the filter structure is installed inside the water tank, the hollow shaft motor drives the filter structure to rotate while the water tank is fixed in position, the hollow shaft motor has a motor body and a hollow shaft (1), the filter structure has a filter element, a water collection tray, and a flange, the filter element is a filamentous hollow fiber membrane, the water collection tray is a hollow structure with a reclaimed water outlet, the water collection tray also has a reclaimed water inlet integrated with and connected to the filter element, one end of the hollow shaft (1) is fixedly connected to the flange and sealed and connected to the reclaimed water outlet, and the circulation structure has a sewage inlet pipe connected to the water tank and a sewage suction pump body installed on the sewage inlet pipe, characterized in that, Also includes: Water collection tank (2), wherein the water collection tank (2) is integrally formed with the water holding tank body; The hollow shaft (1) is partially inserted into the water collection tank (2); A sealing ring (3) is installed between the hollow shaft (1) and the wall of the water collection tank (2); The water collection tank (2) forms a sealed water storage space inside; A first water outlet (11) is provided on the hollow shaft (1) located inside the water collection tank (2); The water collection tank (2) is provided with a second water outlet (21); Water filtered through the filter structure enters the water collection tank (2) through the first water outlet (11).

2. The water recycling device for a floor scrubber according to claim 1, characterized in that: The water collection tank (2) has slots (22) distributed on its upper and lower walls; The two sets of sealing rings (3) are respectively installed in the slots (22) and in sealing contact with the hollow shaft (1).

3. The water recycling device for a floor scrubber according to claim 1, characterized in that: The two sets of first water outlet holes (11) are symmetrically distributed on the hollow shaft (1).

4. The water recycling device for a floor scrubber according to claim 1, characterized in that: The other end of the hollow shaft (1) is sealed and extends to connect with the scrubbing brush (6) of the floor scrubber, serving as the drive shaft for the rotation of the scrubbing brush (6).

5. The water recycling device for a floor scrubber according to claim 4, characterized in that: The second water outlet (21) is connected to a reclaimed water outlet pipe (4) to the outside; A water pump (5) is connected to the reclaimed water outlet pipe (4); Water located inside the water collection tank (2) is drawn out by the water pump (5) and flows out through the reclaimed water outlet pipe (4) to the front of the scrubbing machine brush (6).

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