A mop bucket

By introducing support and lifting devices into the mop bucket, automatic cleaning and drying control of the mop is achieved, which solves the problem that existing mop buckets cannot accurately judge the drying time and improves the user experience.

CN113384205BActive Publication Date: 2025-09-02XINGPINGJIABANGSHOU IND CO LTD
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Patent Information

Application Number
CN202010178129.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-03-14
Publication Date
2025-09-02
Estimated Expiration
2040-03-14

AI Technical Summary

Technical Problem

The existing mop bucket cannot accurately determine when to perform the spin dry operation, which leads to inconvenience in user use and may cause sewage leakage.

Method used

A mop bucket including a support member, a lifting device and a water pumping device is designed, and the water pumping device is triggered or released by the lifting device to control the position of the support member, so as to realize automatic cleaning and drying control of the mop.

Benefits of technology

The working state of the water pumping device is freely controlled by lifting and lowering the lifting device, ensuring that the mop is removed after being thrown dry, avoiding sewage leakage and improving user convenience.

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Abstract

The present invention discloses a mop bucket, which relates to the technical field of cleaning supplies and can solve the problem of existing mop buckets causing inconvenience to users due to the inability to determine when the spin-drying operation begins. The mop bucket includes a bucket body, which is provided with a support member, a lifting device, and a water pumping device. The top of the support member is used to support the mop head, and the bottom of the support member is provided with a trigger structure. The lifting device is connected to the support member so that the support member can be raised to a high position or lowered to a low position. The water inlet of the water pumping device is connected to a water storage portion, and the water outlet of the water pumping device is directed toward the mop head. When the support member is lowered to the low position, the trigger structure triggers the water pumping device, and when the support member is raised to the high position, the trigger structure and the water pumping device are separated. The present invention is used for cleaning mops.
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Description

Technical Field

[0001] The present invention relates to the technical field of cleaning products, in particular to a mop bucket. Background Art

[0002] A clean and tidy home environment allows people to relax after work, so cleaning is a necessity in daily life, including cleaning the floor. Mops, one of the most widely used floor cleaning products, have gradually evolved from the early traditional mop to a variety of types, including wringing mops, cotton mops, spin mops, and flat mops. The emergence of mop buckets has greatly facilitated people's cleaning of mops.

[0003] Figure 1 This is a mop bucket currently used for cleaning mops. Its cleaning and drying processes are as follows: water for cleaning the mop is stored in the water storage chamber 01. When cleaning, the mop head is buckled onto the transmission shaft 02, and the mop rod is operated. The mop rod can drive the mop head to rotate, thereby driving the transmission shaft 02 to rotate. Then, through the meshing transmission of the large gear 03 and the small gear 04, the impeller 06 in the water pump 05 is driven to rotate, and the water in the water storage chamber 01 can be sprayed from the water spray hole 09 to the wiping body on the mop head through the connecting water pipe 07 and the water spray pipe 08, thereby cleaning the mop; when the water in the water storage chamber 01 is used up, the water pump 05 idles and no longer sprays water to the wiping body on the mop head. At this time, the rotation of the mop head performs a drying operation.

[0004] However, when using the mop bucket to clean the mop, the user cannot know when the water in the water storage chamber 01 is used up, that is, when the spin-drying operation starts. Therefore, when the user removes the mop from the drive shaft 02, the mop may not have been spun yet. At this time, the mop will bring dirty water to the ground, causing a lot of inconvenience to the user. Moreover, once the user removes the mop from the drive shaft 02, the drive shaft 02 will drive the switch for blocking the sewage return channel to open, so that the sewage used to clean the mop will flow into the water storage chamber 01 through the sewage return channel. The user will have to repeat the cleaning operation when buckling the mop head onto the drive shaft 02 again, which brings inconvenience to the user. Summary of the Invention

[0005] An embodiment of the present invention provides a mop bucket, which can solve the problem that the existing mop bucket brings inconvenience to the user because the user cannot know when the spin-drying operation starts.

[0006] To achieve the above objectives, the embodiments of the present invention adopt the following technical solutions:

[0007] A mop bucket comprises a bucket body, in which a support member, a lifting device and a water pumping device are arranged. The top of the support member is used to support the mop head, and the bottom of the support member is provided with a trigger structure. The lifting device is connected to the support member so that the support member can be raised to a high position or lowered to a low position. The water inlet of the water pumping device is connected to a water storage part, and the water outlet of the water pumping device faces the mop head. When the support member is lowered to the low position, the trigger structure can trigger the water pumping device, and when the support member is raised to the high position, the trigger structure can be separated from the water pumping device.

[0008] Furthermore, the lifting device includes a fixed body, a lifting body and a positioning structure. The fixed body is fixedly connected to the barrel body, the lifting body is slidably connected to the fixed body, and the positioning structure is arranged on the fixed body. The positioning structure is used to position the lifting body when the lifting body rises to a high position and descends to a low position, and the support member is connected to the lifting body.

[0009] Furthermore, the positioning structure includes an abutment and a clamping member. The abutment is located below the lifting body and abuts against the abutment when the lifting body descends to a low position. The clamping member is opposite to the side of the lifting body. A clamping portion is provided on the side of the lifting body. One end of the clamping member is connected to the fixed body, and the other end is engaged with the clamping portion when the lifting body rises to a high position.

[0010] Furthermore, the clamping part is rotatably connected to the fixed body, and a lower shifting part is provided on the side of the lifting body, which is located below the clamping part. When the lifting body rises, the lower shifting part can be driven to shift the clamping part away, so that the clamping part is separated from the lifting body.

[0011] Furthermore, it also includes a positioning component, which is used to position the clamping part that has been opened. An upper moving part is also provided on the side of the lifting body, and the upper moving part is located above the clamping part. When the lifting body descends, the upper moving part can drive the clamping part to be moved so that the clamping part contacts the lifting body.

[0012] Furthermore, the positioning assembly includes a card block and a card slot that are matched and connected, one of the card block and the card slot is provided on the fixed body, and the other of the card block and the card slot is provided on the connecting piece.

[0013] Furthermore, the support member is rotatably connected to the lifting device, and a first torque transmission structure is provided on the upper portion of the support member, and the first torque transmission structure is used to cooperate with the mop head.

[0014] Furthermore, a second torque transmission structure is provided on the impeller shaft in the water pumping device, and when the support member is lowered to a low position, the trigger structure can be docked with the second torque transmission structure.

[0015] Furthermore, the second torque transmission structure includes a plurality of teeth, and the plurality of teeth are evenly distributed along the circumference of the impeller shaft, and the trigger structure includes a plurality of tooth grooves for one-to-one matching with the plurality of teeth.

[0016] Furthermore, the pumping device includes a volute and an impeller arranged in the volute, the volute wall where the volute inlet is located is conical, and the blades of the impeller are inclined near the edge of the volute inlet.

[0017] Furthermore, a sewage receiving plate is provided in the barrel body, which is located below the top of the support member. A water leakage hole is provided on the sewage receiving plate. The water leakage hole is connected to the water storage part through a sewage flow channel, and a filter is provided in the sewage flow channel.

[0018] Furthermore, the barrel body includes an upper barrel body and a lower barrel body that are detachably connected, the lower barrel body is made of a transparent material, the water storage part is the bottom of the lower barrel body, and the filter is located in the lower barrel body and is higher than the bottom of the lower barrel body.

[0019] The mop bucket provided by the embodiment of the present invention has a top portion of a support member used to support a mop head, a trigger structure provided at the bottom portion of the support member, a lifting device connected to the support member so that the support member can be raised to a high position or lowered to a low position, a water inlet of a water pumping device connected to a water storage portion, a water outlet of the water pumping device facing the mop head, and the support member lowering to a low position can cause the trigger structure to trigger the water pumping device, while the support member rising to a high position can cause the trigger structure to separate from the water pumping device. Therefore, when cleaning, the mop head can be placed on the top portion of the support member, and the mop rod can be operated to drive the mop. The head rotates, and at the same time, the lifting device causes the support member to descend to a low position, thereby causing the trigger structure to trigger the water pumping device, so that the water in the water storage part can enter the water pumping device through the water inlet of the water pumping device, and then be sprayed toward the mop head through the water outlet of the water pumping device, thereby cleaning the mop; after cleaning, the lifting device causes the support member to rise to a high position, thereby separating the trigger structure from the water pumping device, so that the trigger structure no longer triggers the water pumping device, and the water pumping device no longer pumps water from the water storage part toward the mop head. At this time, the mop head rotates idly to perform a spin-drying operation;

[0020] Since the mop bucket provided by the embodiment of the present invention can freely control whether the pumping device pumps water by raising and lowering the lifting device, the mop cleaning time can be freely controlled, thereby facilitating use by the user; in addition, with the mop bucket provided by the embodiment of the present invention, the user can judge whether the mop has been spun dry by whether the support member has risen to a high position, thereby ensuring that the mop is removed from the support member after being spun dry, thereby avoiding the problem of bringing dirty water to the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of a mop bucket in the prior art;

[0022] Figure 2 A perspective view of a mop bucket according to an embodiment of the present invention;

[0023] Figure 3 A top view of a mop bucket according to an embodiment of the present invention;

[0024] Figure 4 This is a cross-sectional view of a mop bucket according to an embodiment of the present invention;

[0025] Figure 5 This is the second cross-sectional view of the mop bucket according to the embodiment of the present invention;

[0026] Figure 6 This is the third cross-sectional view of the mop bucket according to the embodiment of the present invention;

[0027] Figure 7 This is a three-dimensional diagram of a lifting device in a mop bucket according to an embodiment of the present invention;

[0028] Figure 8 Schematic diagram of a trigger structure and a second torque transmission structure in a mop bucket according to an embodiment of the present invention;

[0029] Figure 9 for Figure 8 Schematic diagram from another angle. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0032] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0033] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0034] Reference Figures 2 to 6 An embodiment of the present invention provides a mop bucket, including a bucket body 1, in which a support member 2, a lifting device 3 and a water pumping device 4 are provided. The top of the support member 2 is used to support the mop head, and the bottom of the support member 2 is provided with a trigger structure 21. The lifting device 3 is connected to the support member 2 so that the support member 2 can be raised to a high position or lowered to a low position. The water inlet A of the water pumping device 4 is connected to the water storage part, and the water outlet B of the water pumping device 4 faces the mop head. When the support member 2 is lowered to the low position, the trigger structure 21 can trigger the water pumping device 4, and when the support member 2 is raised to the high position, the trigger structure 21 can be separated from the water pumping device 4.

[0035] The mop bucket provided by the embodiment of the present invention has a top portion of the support member 2 used for supporting the mop head, a trigger structure 21 is provided at the bottom of the support member 2, and a lifting device 3 is connected to the support member 2 so that the support member 2 can be raised to a high position or lowered to a low position. The water inlet A of the pumping device 4 is connected to the water storage part, and the water outlet B of the pumping device 4 faces the mop head. When the support member 2 is lowered to a low position, the trigger structure 21 can trigger the pumping device 4, and when the support member 2 is raised to a high position, the trigger structure 21 can be separated from the pumping device 4. Therefore, when cleaning, the mop head can be placed on the top of the support member 2, and the mop rod can be operated to drive the mop head to rotate. At the same time, the support member 2 is lowered to a low position by the lifting device 3, so that the trigger structure 21 can trigger the pumping device 4. In this way, water in the water storage part can enter the pumping device 4 through the water inlet A of the pumping device 4, and then be sprayed to the mop head through the water outlet B of the pumping device 4. At the same time, the brush 10 brushes the wiping body, thereby cleaning the mop. The water flow direction is as follows: Figure 6 As shown by the arrow in the figure; after cleaning, the support member 2 is raised to a high position by the lifting device 3, so that the trigger structure 21 is separated from the water pumping device 4. In this way, the trigger structure 21 no longer triggers the water pumping device 4, and the water pumping device 4 no longer pumps water from the water storage part to the mop head. At this time, the mop head is idling and performing a drying operation;

[0036] Since the mop bucket provided in the embodiment of the present invention can freely control whether the pumping device 4 pumps water by raising and lowering the lifting device 3, the mop cleaning time can be freely controlled, thereby facilitating use by the user; in addition, with the mop bucket provided in the embodiment of the present invention, the user can judge whether the mop has been spun dry by whether the support member 2 has risen to a high position, thereby ensuring that the mop is removed from the support member after being spun dry, thereby avoiding the problem of bringing dirty water to the ground.

[0037] There are many embodiments of the lifting device 3, and any embodiment that can make the support member 2 rise to a high position and fall to a low position is acceptable. For example, the lifting device 3 can be a cylinder. In this embodiment, referring to Figures 4 to 7 The lifting device 3 includes a fixed body 31, a lifting body 32 and a positioning structure 33. The fixed body 31 is fixedly connected to the barrel body 1, and the lifting body 32 is slidably connected to the fixed body 31. For example, they can be slidably connected through a guide rod M and a guide cylinder N. One of the guide rod M and the guide cylinder N is provided on the lifting body 32, and the other of the guide rod M and the guide cylinder N is provided on the fixed body 31. The guide rod M is provided in the guide cylinder N and can slide along the extension direction of the guide cylinder N, thereby realizing the lifting body 32 and the fixed body. The lifting body 31 is connected to the sliding connection of the lifting body 31; the positioning structure 33 is provided on the fixed body 31, and the positioning structure 33 is used to position the lifting body 32 when the lifting body 32 rises to a high position and falls to a low position. The support member 2 is connected to the lifting body 32. When the positioning structure 33 positions the lifting body 32 at a high position, the support member 2 is also positioned at a high position. When the positioning structure 33 positions the lifting body 32 at a low position, the support member 2 is also positioned at a low position, thereby achieving the purpose of raising the support member 2 to a high position and falling to a low position.

[0038] Furthermore, the positioning structure 33 includes an abutment 331 and a clamping member 332. The abutment 331 is located below the lifting body 32. When the lifting body 32 descends to a low position, it abuts against the abutment 331, so that the lifting body 32 can be positioned in a low position. The clamping member 332 is opposite to the side of the lifting body 32. The side of the lifting body 32 is provided with a clamping portion 321. One end of the clamping member 332 is connected to the fixed body 31, and the other end cooperates with the clamping portion 321 when the lifting body 32 rises to a high position, so that the lifting body 32 can be positioned in a high position. Of course, the positioning structure 33 may also only include the clamping part 332. In this case, two clamping parts 321 at different heights need to be set on the side of the lifting body 32. When the lifting body 32 descends to the low position, the clamping part 332 cooperates and engages with the clamping part 321 located above. When the lifting body 32 rises to the high position, the clamping part 332 cooperates and engages with the clamping part 321 located below. The lifting body 32 can also be positioned in the high position and the low position.

[0039] Reference Figure 7The clamping member 332 is rotatably connected to the fixed body 31, and the rotating shaft is a. A lower toggle portion 322 is also provided on the side of the lifting body 32. The lower toggle portion 322 is located below the clamping member 321. The lifting body 32 rises to drive the lower toggle portion 322 to pry open the clamping member 332, so that the clamping member 332 rotates around the rotating shaft a and then separates from the lifting body 32, thereby avoiding the clamping member 332 from blocking the descent of the lifting body 32 and ensuring that the lifting body 32 can smoothly descend to a low position.

[0040] Furthermore, the mop bucket of this embodiment also includes a positioning assembly 34, which is used to position the opened clamping member 332 to prevent the opened clamping member 332 from falling back quickly, thereby ensuring that the lifting body 32 can smoothly descend to a low position. At this time, an upper toggle portion 323 is further provided on the side of the lifting body 32, and the upper toggle portion 323 is located above the clamping portion 321. The descent of the lifting body 32 can drive the upper toggle portion 323 to toggle the clamping member 332 downward so that the clamping member 332 contacts the lifting body 32 again. In this way, when the lifting body 32 rises and drives the clamping portion 321 to be higher than the clamping end b of the clamping member 332, the clamping end b of the clamping member 332 can be clamped below the clamping portion 321, thereby positioning the lifting body 32 in a high position.

[0041] There are many implementation methods of the positioning component 34. For example, the positioning component 34 may include a magnet and a metal that can be attracted by the magnet, one of the two is provided on the fixed body 31, and the other is provided on the clamping member 332. When the clamping member 332 is opened by the lower push portion 322, the magnet attracts the metal, thereby positioning the opened clamping member 332. For another example, the positioning component 34 may also include a card block and a card slot that cooperate to be engaged, one of the card block and the card slot is provided on the fixed body 31, and the other of the card block and the card slot is provided on the clamping member 332. When the clamping member 332 is opened by the lower push portion 322, the card block and the card slot cooperate to engage, thereby positioning the opened clamping member 332.

[0042] In order to reduce the friction between the mop head and the support member 2, in this embodiment, the support member 2 is rotatably connected to the lifting device 3. Figure 4 The support member 2 and the lifting device 3 are rotatably connected through a bearing 7. A bearing positioning member 8 is provided above the bearing 7. A first torque transmission structure 22 is provided on the upper part of the support member 2. The first torque transmission structure 22 is used to cooperate with the mop head. Therefore, the rotation of the mop head can drive the support member 2 to rotate together through the first torque transmission structure 22, thereby reducing the friction between the mop head and the support member 2.

[0043] The above-mentioned first torque transmission structure 22 is preferably a polygonal prism, such as a hexagonal prism, a pentagonal prism, etc. Of course, the first torque transmission structure 22 can also be a key provided on the side of the support member 2 or other structure that can transmit torque. In this case, a corresponding keyway needs to be provided on the mop head.

[0044] Reference Figure 8 and Figure 9 A second torque transfer structure 41 is provided on the impeller shaft in the pumping device 4. When the support member 2 drops to a low position, the trigger structure 21 can dock with the second torque transfer structure 41. Therefore, when the trigger structure 21 docks with the second torque transfer structure 41, the rotation of the support member 2 can drive the impeller in the pumping device 4 to rotate through the trigger structure 21 and the second torque transfer structure 41, thereby pumping water.

[0045] Preferably, the second torque transmission structure 41 includes a plurality of teeth C, which are evenly distributed along the circumference of the impeller shaft. The trigger structure 21 includes a plurality of tooth grooves D for one-to-one matching with the plurality of teeth C. When the trigger structure 21 is docked with the second torque transmission structure 41, the plurality of teeth C are one-to-one matched in the plurality of tooth grooves D, thereby transmitting torque.

[0046] Reference Figure 6 and Figure 9 The pumping device 4 includes a volute 42 and an impeller 43 arranged in the volute 42. The shell wall 421 of the volute 42 where the inlet E of the volute 42 is located is conical, and the fan blades of the impeller 43 are inclined near the edge F of the inlet of the volute 42, which can improve the working efficiency of the pumping device 4.

[0047] In order to clean the mop more cleanly, refer to Figure 1 、 Figure 2 、 Figure 5 The barrel body 1 is also provided with a sewage receiving plate 9, which is located below the top of the support member 2. A water leakage hole 51 is provided on the sewage receiving plate 9. The water leakage hole 51 is connected to the water storage part through the sewage flow channel 5. A filter 6 is provided in the sewage flow channel 5. Therefore, the sewage formed after washing the mop can flow into the sewage flow channel 5 through the water leakage hole 51 on the sewage receiving plate 9. After the dirt is filtered out by the filter 6 in the sewage flow channel 5, relatively clean water is formed, and then flows back to the water storage part. The pumping device 4 then pumps this relatively clean water to the mop head, thereby cleaning the mop more cleanly. At the same time, the water in the water storage part can be recycled many times, thereby achieving the purpose of water saving. Of course, the bottom end of the sewage flow channel 5 can also be connected to the sewage part instead of the water storage part. In this way, the sewage formed after washing the mop can flow to the sewage part and no longer be recycled, thereby achieving clean and dirty separation.

[0048] Reference Figure 1The barrel body 1 includes a detachably connected upper barrel body 11 and a lower barrel body 12. The lower barrel body 12 is made of a transparent material. The water storage portion is preferably at the bottom of the lower barrel body. The filter element 6 is located within the lower barrel body 12 and is higher than the bottom of the lower barrel body. This allows for easy observation of the degree of contamination of the filter element 6 and the water at the bottom of the lower barrel body for timely replacement. Of course, the water storage portion can also be a separately provided water tank. The filter element can be a filter cotton, which is fixed to the lower barrel body 12 via a tray.

[0049] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A mop bucket, comprising a bucket body, characterized in that: A support member, a lifting device and a pumping device are provided in the barrel body. The top of the support member is used to support the mop head. The bottom of the support member is provided with a trigger structure. The lifting device is connected to the support member so that the support member can rise to a high position or fall to a low position. The water inlet of the pumping device is connected to the water storage part, and the water outlet of the pumping device is facing the mop head. When the support member falls to the low position, the trigger structure can trigger the pumping device to facilitate cleaning the mop head. When the support member rises to the high position, the trigger structure can be separated from the pumping device to facilitate drying the mop head.

2. The mop bucket according to claim 1, characterized in that: The lifting device includes a fixed body, a lifting body and a positioning structure. The fixed body is fixedly connected to the barrel body, the lifting body is slidably connected to the fixed body, the positioning structure is arranged on the fixed body, and the positioning structure is used to position the lifting body when the lifting body rises to a high position and descends to a low position. The support member is connected to the lifting body.

3. The mop bucket according to claim 2, characterized in that: The positioning structure includes a contact piece and a clamping piece. The contact piece is located below the lifting body and abuts against the contact piece when the lifting body descends to a low position. The clamping piece is opposite to the side of the lifting body. A clamping portion is provided on the side of the lifting body. One end of the clamping piece is connected to the fixed body, and the other end is engaged with the clamping portion when the lifting body rises to a high position.

4. The mop bucket according to claim 3, characterized in that: The clamping member is rotatably connected to the fixed body, and a lower toggle portion is further provided on the side of the lifting body. The lower toggle portion is located below the clamping member. When the lifting body rises, the lower toggle portion can be driven to open the clamping member to separate the clamping member from the lifting body.

5. The mop bucket according to claim 4, characterized in that: It also includes a positioning component, which is used to position the clamping part that has been opened. An upper toggle part is also provided on the side of the lifting body. The upper toggle part is located above the clamping part. The lowering of the lifting body can drive the upper toggle part to toggle the clamping part so that the clamping part contacts the lifting body.

6. The mop bucket according to claim 5, characterized in that: The positioning assembly includes a card block and a card slot that are matched and connected. One of the card block and the card slot is arranged on the fixed body, and the other of the card block and the card slot is arranged on the card connector.

7. The mop bucket according to claim 1, characterized in that: The support member is rotatably connected to the lifting device. A first torque transmission structure is provided on the upper portion of the support member. The first torque transmission structure is used to cooperate with the mop head.

8. The mop bucket according to claim 7, characterized in that: A second torque transmission structure is provided on the impeller shaft in the water pumping device, and when the support member is lowered to a low position, the trigger structure can be docked with the second torque transmission structure.

9. The mop bucket according to claim 8, characterized in that: The second torque transmission structure includes a plurality of teeth, and the plurality of teeth are evenly distributed along the circumference of the impeller shaft. The trigger structure includes a plurality of tooth grooves for one-to-one matching with the plurality of teeth.

10. The mop bucket according to claim 1, wherein: The pumping device comprises a volute and an impeller arranged in the volute. The volute wall where the volute inlet is located is conical, and the blades of the impeller are arranged obliquely near the edge of the volute inlet.

11. The mop bucket according to claim 1, characterized in that: The barrel body is also provided with a sewage receiving plate, which is located below the top of the support member. The sewage receiving plate is provided with a leakage hole, which is connected to the water storage part through a sewage flow channel, and a filter is provided in the sewage flow channel.

12. The mop bucket according to claim 11, characterized in that: The barrel body includes an upper barrel body and a lower barrel body that are detachably connected. The lower barrel body is made of a transparent material. The water storage portion is the bottom of the lower barrel body. The filter is located in the lower barrel body and is higher than the bottom of the lower barrel body.

Citation Information

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