WO2022007295A1

WO2022007295A1 - Piston-type water-spraying mop bucket

Info

Publication number: WO2022007295A1
Application number: PCT/CN2020/129273
Authority: WO
Inventors: 任永旺
Original assignee: 河北洁仕宝日用塑料制品有限公司
Priority date: 2020-07-08
Filing date: 2020-11-17
Publication date: 2022-01-13
Also published as: CN112535443A; CN214128471U

Abstract

A piston-type water-spraying mop bucket (6). The mop bucket (6) is provided with a piston pump (77) and a support rod (66) for supporting the mop (1) to rotate. The support rod (66) can rotate along with a mop head (2). The piston pump (77) is driven by the rotation of the support rod (66) and operates to pump water in the mop bucket (6) and spray the water on the wipe of the mop (1) to complete cleaning. By using the rotation of the mop (1) to drive the piston pump (77) to operate to pump clean water in the mop bucket (6) and spray the clean water on the mop (1), the effect of cleaning the mop (1) is improved, and the mop bucket (6) can be placed at will when in use.

Description

Piston spray mop bucket

technical field

The utility model belongs to the technical field of cleaning supplies, in particular to a piston-type water spray mop bucket.

Background technique

The mop and the matching mop bucket are commonly used combined cleaning tools. The mop needs to be rinsed with water to clean it when cleaning. Most of the mops in the prior art are cleaned by immersing in water, or the mop bucket is connected to the faucet to spray the mop. water;

After immersion cleaning, the water will become dirty after one or two times of cleaning, and the water needs to be changed frequently. Moreover, the cleaning and dehydration of the mop are performed in one bucket. It is also very inconvenient to use immersion cleaning; the way of connecting the faucet will limit the mop bucket It is also very inconvenient to place it in a position that cannot be moved anywhere.

Utility model content

The main technical problem to be solved by the utility model is to provide a piston type water spray mop bucket. The piston pump is driven to work by manually pressing the rotary mop or the electric rotary mop. Effect, the mop bucket can also be placed at will when in use.

In order to solve the above-mentioned technical problems, a technical scheme adopted by the utility model is as follows:

A piston type water spray mop bucket, the mop used in conjunction with the mop bucket is a hand-pressed rotary mop or an electric rotary mop, the mop bucket is provided with a piston pump and a support part for supporting the rotating work of the mop, the The support part can rotate with the mop head, the piston pump is driven by the rotation of the support part, and the piston pump works to pump out the water in the mop bucket and spray it on the wipes of the mop to complete the rinsing.

Further, the support portion is a column-shaped support column, the support column is rotatably connected to the mop bucket, and the support column is provided with an engaging portion capable of preventing rotation with the mop head in the circumferential direction.

Further, the piston pump includes a pump body and a piston rod, the piston rod is connected with an eccentric wheel through a connecting rod, and the eccentric wheel is driven to rotate by the support portion.

Further, the transmission mode of the support portion and the eccentric wheel includes gear transmission, belt transmission or chain transmission.

Further, the piston rod protrudes from one end of the pump body, the other end of the pump body is provided with a water inlet and a water outlet that communicate with the pump body, and the water inlet is provided with a water inlet that restricts clean water to The one-way valve that flows in the pump body is provided, and the water outlet is provided with a one-way valve that restricts the discharge of clean water only from the pump body.

Further, the mop head has a positioning hole into which the support column can be inserted, and the engaging portion is a convex rib set on the outer periphery of the support column and a groove set on the inner side wall of the positioning hole, The raised rib and the groove can be engaged with each other to realize the synchronous rotation of the mop head and the support column.

Further, the mop bucket is provided with a cleaning member for cleaning the mop, and when the mop is placed on the support column for cleaning, the cleaning member contacts the wipes of the mop to clean it.

Further, the cleaning element includes a cleaning blade, a cleaning brush or a roller rotatable along its axis

The beneficial effects of the present utility model:

The mop bucket of the utility model is driven by a hand-pressed rotary mop or an electric rotary mop to drive a piston pump, and the water pump draws out the clean water in the bucket and sprays it on the mop to improve the cleaning effect of the mop, and the mop bucket can also be placed at will when in use.

The above description is only an overview of the technical solution of the present utility model. In order to understand the technical means of the present utility model more clearly, and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the present utility model and the accompanying drawings as follows: Rear.

Description of drawings

Fig. 1 is the overall structure schematic diagram of rotary mop in embodiment 1;

Fig. 2 is the exploded structure schematic diagram of rotary mop in embodiment 1;

Fig. 3 is the sectional view of the rotary mop in the embodiment 1 (the lift plate is at a low position);

Fig. 4 is the sectional view of the rotary mop in the embodiment 1 (the lift plate is at a high position);

Fig. 5 is the structural representation of the lift plate in embodiment 1;

Fig. 6 is the structural representation of the fixed disk in the embodiment 1;

7 is a schematic diagram of the overall structure of the cleaning tool in Example 1;

8 is a cross-sectional view of the cleaning tool in Example 1;

Fig. 9 is the exploded structure schematic diagram of cleaning tool in embodiment 1;

Fig. 10 is the structural representation of the roller in embodiment 1;

Fig. 11 is an enlarged view of part A of Fig. 8 (the structure of the suction pump of Example 1);

12 is a schematic diagram of the overall structure of the cleaning tool in Example 2;

Figure 13 is a sectional view of the mop bucket in Example 2;

14 is a schematic diagram of the overall structure of the rotary mop in Embodiment 3;

Figure 15 is a sectional view of the rotary mop in embodiment 3;

Fig. 16 is the structural representation of the lift plate in embodiment 3;

17 is a schematic structural diagram of a fixed disk in Embodiment 3;

FIG. 18 is an exploded schematic view of the driving member in Embodiment 3 (block driving member);

FIG. 19 is a schematic structural diagram of a driving member in Embodiment 3;

Figure 20 is a cross-sectional view of the cleaning tool in Example 4;

Figure 21 is a sectional view of the mop bucket in Example 4;

Figure 22 is an exploded schematic view of the mop bucket in Example 4;

Figure 23 is a sectional view of the mop bucket in Example 5;

Fig. 24 is the structural representation of the scrubbing frame and the cleaning part in the embodiment 5;

The parts in the attached drawings are marked as follows:

mop 1;

Mop head 2, fixed plate 21, boss 211, lifting plate 22, cavity 221, hole wall 222, through hole 224, through hole 223, elastic piece 23, panel 24;

mop bar 3;

Gap 4. Guide groove 41;

Driving member 5, elastic driving member 51, positioning column 52, convex strip 53, inclined surface 54, counterweight 55,

Mop bucket 6, clean water area 61, water injection port 611, work area 62, sewage area 63, first barrel 64, second barrel 65, accommodating cavity 651, support column 66, barrel 67, partition plate 671, cleaning Brush 68, washing frame 681, water spout 682, cover 69;

Suction pump 7, driving part 71, ridge 721, groove 722, impeller 73, drive shaft 731, positioning hole 732, blind hole 7321, through hole 7322, rotating shaft 74, plane bearing 75, water outlet 76, piston pump 77, Piston rod 771, connecting rod 772, eccentric wheel 773, pump body 774, water inlet 7741, water outlet 7742, driving gear 775, driven gear 776;

Roller 8, tines 81.

detailed description

The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, so that the protection scope of the present utility model can be more clearly defined. .

Example 1:

A rotary mop, as shown in Figure 1: the mop 1 includes a mop head 2 and a mop rod 3, the mop head can be rotated to achieve cleaning and/or dehydration, and the rotation of the mop head is driven by hand pressing the mop rod or a motor ;

As shown in Figures 2 to 4: the mop head includes a fixed plate 21 and a lift plate 22, the fixed plate is connected to the mop rod and can be rotated, the lift plate is connected to the fixed plate, the lift plate The disk can move up and down relative to the fixed disk, and the lifting disk can rotate with the fixed disk, and the wiper is fixedly connected to the lifting disk. The state when the mop head is normally down.

There is a gap 4 between the lifting plate and the fixing plate, and the gap gradually decreases from the center to the outer circumference of the lifting plate. A driving member 5 is arranged in the gap, and the driving member is located in a larger gap. When the mop head rotates, the driving member moves toward the outer circumference under the action of centrifugal force, and drives the gap to increase, so that the lifting plate rises to a high position, and then The automatic lifting and lowering of the lifting plate provided with the wiper is realized, so that the operation at the high position and the low position can be completed without manual lifting action.

During implementation, the weight of the driving member can be adjusted to achieve: the driving member can stretch the gap at a certain rotational speed, which is well understood, and the specific weight of the driving member is not relevant here. It is easy to quantify, because the weight also needs to be adjusted according to the weight of the lifting plate and the actual accuracy (sliding fluency) that the product can achieve.

The gap is provided with a guide groove 41 for guiding the moving direction of the driving member, the guide groove is provided on the lift plate or the fixed plate, and the guide groove is arranged obliquely to form the gap of the lift plate. A structure with a center that gradually decreases toward the periphery.

This embodiment is shown in FIG. 2 : the guide groove is provided on the fixed plate, and the moving direction of the driving member is guided by the guide groove, so that the driving member can move along the optimal path to complete the opening For the action of the lifting plate, preferably, at least two guide grooves are provided, and they are evenly distributed with the rotation axis of the mop head;

In this embodiment, there are two guide grooves (that is, there are two driving parts), and the provision of at least two can realize the balance when the mop head rotates, and after the proofing test, the two guide grooves (driving parts) The action of opening the lifting plate can be well completed, and the balance of the mop head and the smoothness of rotation are not affected during rotation.

Preferably, the driving member is a spherical body, and the frictional force can be reduced when the spherical body structure moves, so that the driving member can move smoothly.

In this embodiment, the sphere is made of metal, and the metal sphere has a certain weight, and the centrifugal force of rotation can easily make it move toward the outer circumference, so as to open the gap.

As shown in Figures 3 and 4, an elastic member 23 is provided between the fixed plate and the lifting plate, and the elastic member drives the gap to keep a small state, so that the lifting plate is located in a low position, that is, In a normal state, the lift plate is located at a low position, and the elastic member can also assist the return of the lift plate after it is at a high position. In this embodiment, the elastic member is a coil spring.

In the mop of the present invention, the rotation of the mop head can be realized by pressing the rotating mop rod by hand, or by driving by a motor, both of which are in the prior art, so there is no need to repeat them.

The specific structures of the fixed plate and the lift plate are shown in FIG. 5 and FIG. 6 : the lift plate 22 has a cavity 221, the fixed plate is located in the cavity, and the fixed plate 21 has a self- The boss 211 protruding from the cavity is movably connected with the mop rod.

In this embodiment, the mop rod and the boss are connected by a cross shaft, so that the mop head can be rotated in a universal direction; the lifting plate is also provided with a panel 24 for installing wipes, and the panel is connected to The lifting plate is detachably connected.

A cleaning tool, as shown in Figures 7 to 9, includes a mop 1 and a mop bucket 6, the mop adopts the above-mentioned rotary mop, the mop bucket is provided with a clean water area 61, and the top of the clean water area is a work area 62 , the clear water area is provided with a water pump 7 that can pump clean water to the work area, and the driving part 71 that drives the water pump to work passes through the clean water area to the work area, and the driving part also forming a support part for supporting the work of the mop;

The protruding drive part also constitutes a support column 66 for supporting the mop. The mop can be supported on the drive part to rotate and work, and between the lift plate and the drive part, there are two There is an engaging portion 72 for preventing rotation in the circumferential direction. When the lifting plate is in a low position, the engaging portion engages to drive the suction pump to work, and the suction pump pumps out clean water and sprays it on the mop; When the disc is at a high position, the engaging portion is disengaged, the suction pump stops working, and the mop continues to rotate to dehydrate.

The cleaning tool of the utility model does not need to be manually lifted when switching between cleaning and dehydration operations, and the operation of raising and lowering the mop head is completed by adjusting the rotation speed of the mop head, so as to realize seamless switching between cleaning and dehydration, and there is no need to wait for the mop when switching. The head stops rotating, saving time and effort; when cleaning, the water is sprayed through the water pump, and the cleaning effect is good.

The mop bucket of the present invention also has the function of cleaning and separating dirt. The mop bucket is also provided with a sewage area 63, which is not communicated with the clean water area and communicated with the working area. Sewage from work zone operations can flow into the sewage zone.

In this embodiment, the mop bucket includes a first bucket body 64 and a second bucket body 65 that are stacked on top of each other, the first bucket body located below is the clean water area, and the second bucket body located above For the working area, the clear water area is also provided with a water injection port 611;

A receiving cavity 651 extends downward from the outer circumference of the second barrel, and the receiving cavity is the sewage area. The sewage area formed by the downwardly extending receiving cavity is lower than the working area. The waste water produced in the work zone can thus flow automatically into the sewage zone under the action of gravity.

As shown in Fig. 9 and Fig. 10 : a cleaning piece for cleaning the wipes of the mop is arranged in the working area. In the embodiment of this city, the cleaning piece is a horizontally arranged roller 8, and the roller Can be rotated along its axis, the outer circumference of the roller has a number of tines 81;

When the mop operates in the working area, the roller can form a certain squeeze with the wipes of the mop, and the tines on the surface of the mop can help to clean the garbage on the surface of the wipes. In this embodiment, The tines are in the shape of a truncated cone. Of course, the tines can also be arranged in a conical or cylindrical shape.

As shown in Fig. 8 and Fig. 11 : the suction pump includes a pump casing 78 and an impeller 73, the impeller is sleeved on a rotating shaft 74 fixed on the mop bucket and can rotate, and the impeller has a drive shaft arranged coaxially therewith 731, the drive shaft protrudes from the clean water area to form the drive part; the mop head has a positioning hole 732 into which the drive shaft can be inserted;

This embodiment is shown in FIG. 11 : the impeller 73 includes a first blade 731 and a second blade 732 , the second blade is located below the first blade and is coaxially arranged, and the upper end of the second blade extends upward To cover the first vane, the protruding part thereof constitutes the pump casing, and the water outlet speed of the second vane is lower than the water outlet speed of the first vane.

In addition, in this embodiment, the first blade and the second blade rotate synchronously and are both axial flow blades, but the blade angles of the two are different, that is, different water outlet speeds are achieved through different blade angles, and the blade angle is It refers to the water outlet angle of the blade, that is, the angle between the blade and the end face of the wheel body. The water outlet angle of the blade is different, which can provide different water pressures to achieve different water outlet speeds.

In this embodiment, the second blade is located below, and is located at the water inlet of the water pumping cavity that communicates with the clean water storage area, and is used for the first step of pumping water, and the small blade angle draws clean water into the water pumping cavity, Then, the clean water is extracted and sprayed on the mop through the first blade with a larger angle, and the first blade with a larger angle can provide greater water pressure and flow rate.

In addition, the pump casing of the suction pump can be set to a conventional fixed non-rotating structure, or a structure that rotates synchronously with the impeller in this embodiment, and the pump casing and the second vane in this embodiment have an integral structure .

More specifically, in the present utility model, the positioning hole is shown in FIG. 3 : it includes a blind hole 7321 located on the fixing plate and a through hole 7322 located in the lifting plate, the blind hole and the through hole are coaxial When the mop is placed on the shaft end of the drive shaft, the blind hole is used to realize the supporting function, and the lifting plate with the through hole can be lifted and lowered at will without causing interference.

In this embodiment, as shown in FIG. 7 and FIG. 11 , the engaging portion is a rib 721 provided on the outer periphery of the driving portion and a groove 722 provided on the inner side wall of the positioning hole. Can be engaged with the groove to limit the circumferential rotation of the drive shaft and the lift plate;

The structures of the protruding rib and the groove are stably engaged, and can be molded at one time during injection molding, which is convenient to manufacture.

The rotating shaft of the impeller of the present invention is arranged vertically, and a plane bearing 75 is provided between the lower end of the impeller and the mop bucket; Especially when using the hand-pressed mop rod in this embodiment, the impeller will be subjected to a large axial force, which is easy to cause wear for a long time. By adding a plane bearing, the rotation fluency of the impeller can be improved, and the service life of the impeller can also be increased. .

The working principle of the cleaning tool in this embodiment: when the mop is in a normal state, the lifting plate is at a low position, the mop is placed on the driving part to rotate and work, and the suction pump is driven to work by the engagement of the engaging part, and the suction pump The clean water is pumped out and sprayed on the mop to clean the mop; after cleaning for a certain period of time, the rotation speed of the mop head is accelerated, and at a certain speed, the driving part in the mop moves toward the outer circumference under the action of centrifugal force, and spreads out The set gap is reduced, so that the lifting plate is raised to a high position, and at this time, the engaging part is disengaged, the suction pump stops working, and the mop continues to rotate for dehydration.

Example 2:

The difference between this embodiment and Embodiment 1 lies in the structure of the mop bucket;

This embodiment is shown in FIG. 12 : the mop bucket includes a bucket body 67 , and a support column 66 for supporting the mop work is arranged in the mop bucket. When in use, put an appropriate amount of water in the mop bucket, and when the mop When the lifting plate of the mop rotates at a low position, the wipes can touch the water surface, which is rotary cleaning. After the lifting plate is raised by increasing the rotation speed of the mop, the wipes leave the water surface, which is spin dehydration.

In this embodiment, as shown in FIG. 13 , the barrel is further provided with a cleaning brush 68 , and when the mop is in a low position for cleaning, the cleaning brush can brush the surface of the mop to be wiped.

Example 3:

The difference between this embodiment and Embodiment 1 lies in the structure of the driving part on the mop and the structure of the gap matched with the driving part;

As shown in Fig. 14 to Fig. 17 : in this embodiment, the height-gradient gap is realized by the inclined surface provided on the lifting plate, and the driving member is in the shape of a rectangular block as a whole, and the driving member also has a slope corresponding to the upper inclined surface of the lifting plate. The matching slope 54;

The driving part of the sphere is mainly driven by rolling, and may also be accompanied by sliding action. When the spherical structure is used, the sensitivity of the lifting plate is high, that is, it can move without a high rotation speed to realize the driving and lifting; The driving part is sliding, and due to the influence of friction, the rotation speed required for its movement will be relatively high; there is actually no advantage or disadvantage between the two, and it is optional for different mop heads (different weights brought by different types). use.

In this embodiment, a hole wall 222 extends axially through the through hole 224 on the lifting plate for the boss to pass through. The sidewalls are all provided with through holes 223, and the drive member is provided with a positioning post 52 that can be inserted into the through holes. When the drive member is located at the end with the larger gap (that is, when the lift plate is at a low position), The positioning posts are simultaneously inserted into two of the through holes to lock the lift plate.

At the same time, the driving member is also provided with an elastic driving member 51 that drives it to move towards the end with the larger gap. When the mop is mopping the floor, the lifting action of the lifting plate is inserted and locked by the positioning column, and then passes through the The abutment of the elastic driving member is to achieve the maintenance of the locked state, so that the shaking of the lifting plate caused by the displacement of the driving member can be avoided during normal mopping;

When the mop head rotates, the elastic driving member can give a certain reverse pressure (damping) to the driving member, so that the movement of the driving member under the action of centrifugal force is more uniform, and the situation that the driving member moves to the end all at once can be avoided.

In this embodiment, the elastic driving member is a helical compression spring.

The structure of the driving part is shown in Figures 18 and 19: the main body of the driving part is a plastic part, and a metal counterweight 55 is embedded inside; The frictional force of the drive when it moves. The plastic driving member has a mature technology and low cost to make various shapes. In this embodiment, the inlaid (interference fit) counterweight is cylindrical, and its production is also relatively convenient.

In addition, in this embodiment, as shown in FIG. 17 and FIG. 19 , the side of the driving member in contact with the fixed plate is further provided with a limit structure, and the limit structure includes a limit protrusion provided on the drive block. 56 , and a limiting groove 212 provided on the fixing plate, the limiting protrusion can slide in the limiting groove, and the movement trajectory of the driving member can be limited in turn.

Example 4:

The difference between this embodiment and Embodiment 1 lies in the partial structure of the mop bucket and the structure of the mop used together;

As shown in Fig. 20 to Fig. 22: the mop bucket includes a bucket body 67, and the bucket body has a partition plate 671 that divides its inner cavity into the clean water area and the sewage area, and the clean water area is A detachably connected cover plate 69 is arranged above the cover plate, above the cover plate is the working area, the cover plate only covers the clean water area, so the working area can communicate with the sewage area;

The mop used in this embodiment is the mop in Embodiment 3, and the cleaning member is a cleaning brush 68, and the cleaning brush is fixedly connected to the bottom of the working area.

The cleaning piece of the present invention can adopt various cleaning components known in the prior art, including cleaning scrapers, cleaning brushes, cleaning sticks, etc. The cleaning scrapers are plate-shaped or block-shaped protrusions.

In addition, the water outlet 76 of the suction pump in this embodiment (the outlet for spraying water to the mop) is also different from that in Embodiment 1. The water outlet in Embodiment 1 is only a through hole, and the water outlet in this embodiment is set to There is a guide structure for guiding the water, and the direction of water spray is adjusted through the guide structure, so that it can better spray (clean) the mop.

Example 5:

The difference between this embodiment and Embodiment 1 lies in the structure of the pump;

As shown in FIG. 23 , the suction pump includes a piston pump 77 , and the piston pump is connected to the driving part 71 and driven by the driving part.

In this embodiment, the structure of the piston pump includes a pump body 774 and a piston rod 771, the piston rod is located at one end of the hollow pump body, and the other end of the pump body is provided with a water inlet 7741 and a water outlet 7742, the water inlet 7742 is provided with a one-way valve that is restricted to only going in and out, and the water outlet 7741 is provided with a one-way valve that is restricted to only going out but not in. When the piston rod moves to pump water, clean water flows from the water inlet. 7742 enters the pump body. At this time, the water outlet 7741 is blocked under the action of the one-way valve. When the piston rod moves to press the water, the water in the pump body is discharged from the water outlet 7741. At this time, the water inlet 7742 is in the one-way valve. It doesn't work under the action.

More specifically, the two ends of the connecting rod 772 are hinged to the piston rod 771 and the eccentric wheel 773 respectively. The eccentric wheel is connected to the driving part through a gear mechanism, and the eccentric wheel mechanism converts rotational motion into linear motion.

In this embodiment, both the support part and the drive part are the rotatable support column, and the gear mechanism includes a driving gear 775 located at the lower end of the support column and a driven gear 776 located on the outer circumference of the eccentric wheel , the driving gear and the support column are integral structure, and the driven gear and the eccentric wheel are integral structure.

In this embodiment, as shown in FIG. 24 , the work area is further provided with a washing frame 681, and the cleaning element is installed on the washing frame. The washing frame has a plurality of water spray ports 682, all of which are facing the mop. Below the wiper, the water outlet of the water pump is connected to the water spray port, so that the water drawn by the water pump can be evenly sprayed on the mop.

The mop bucket in this embodiment is provided with partitions (clean water area, work area, etc.), or it may not use any partitions, just a single bucket, and a water pump is also installed in the bucket, and the operation of water spray cleaning can also be completed. .

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields , are similarly included in the scope of patent protection of the present invention.

Claims

A piston type water spray mop bucket, the mop used in conjunction with the mop bucket is a hand-pressed rotary mop or an electric rotary mop, characterized in that a piston pump (77) is provided in the mop bucket and is used to support the mop to rotate The working support part, the support part can rotate with the mop head, the piston pump is driven by the rotation of the support part, the piston pump works to pump out the water in the mop bucket and spray it on the wipes of the mop to complete the rinsing.
The piston-type water spray mop bucket according to claim 1, characterized in that: the support part is a columnar support column (66), the support column is rotatably connected to the mop bucket, and the support column is provided with a An engaging portion (72) for preventing the mop head from rotating in the circumferential direction.
The piston type water spray mop bucket according to claim 1, wherein the piston pump comprises a pump body (774) and a piston rod (771), and the piston rod is connected to an eccentric (773) through a connecting rod (772) ) is connected, and the eccentric wheel is driven to rotate by the support portion.
The piston-type water spray mop bucket according to claim 3, wherein the transmission mode of the support portion and the eccentric wheel includes gear transmission, belt transmission or chain transmission.
The piston type water spray mop bucket according to claim 3, wherein the piston rod protrudes from one end of the pump body, and the other end of the pump body is provided with a water inlet ( 7741) and a water outlet (7742), the water inlet is provided with a one-way valve that restricts the flow of clean water only to the pump body, and the water outlet is provided with a one-way valve that restricts the clean water from being discharged from the pump body only.
The piston-type water spray mop bucket according to any one of claim 2, wherein the mop head has a positioning hole (732) into which the support column can be inserted, and the engaging portion is provided on the support The convex rib (721) on the outer periphery of the column and the groove (722) provided on the inner side wall of the positioning hole, the convex rib and the groove can be engaged with each other to realize the synchronous rotation of the mop head and the support column.
The piston-type water-spraying mop bucket according to claim 1, characterized in that: the mop bucket is provided with a cleaning piece for cleaning the mop, and when the mop is placed on the support column for cleaning, the cleaning piece Contact with the wipes of the mop to clean it.
The piston-type water spray mop bucket according to claim 7, wherein the cleaning element comprises a cleaning scraper, a cleaning brush or a roller rotatable along its axis.