CN112493950A

CN112493950A - Mop cleaning device

Info

Publication number: CN112493950A
Application number: CN201910867605.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Ningbo Deruntang Intelligent Technology Co Ltd
Current assignee: Ningbo Deruntang Intelligent Technology Co Ltd
Priority date: 2019-09-13
Filing date: 2019-09-13
Publication date: 2021-03-16

Abstract

A mop cleaning device comprises a hand-press type rotary mop and a cleaning barrel; the hand-press type rotary mop comprises an upper rod and a lower rod which are mutually sleeved, the lower end of the lower rod is connected with a mop head with a wiping object, and a transmission shaft and a water spraying mechanism are arranged in a cleaning barrel; the method is characterized in that: a limiting structure for limiting the mop head to be separated from the transmission shaft upwards is arranged in the cleaning barrel; the water spraying mechanism is provided with a control component for controlling the water quantity in the water spraying mechanism; under the condition that the mop head is connected onto the transmission shaft through the limiting structure, the rotation of the lower rod drives the transmission shaft, the mop head and the water pressing part of the water spraying mechanism to rotate together, and the mop head limited by the limiting structure limits the control part at a position for reducing the amount of water entering the water spraying mechanism; and under the condition that the mop head is separated from the transmission shaft, the control part moves to a position for increasing the water quantity entering the water spraying mechanism. The cleaning device ensures that the switch component can be reliably closed in the cleaning and spin-drying processes.

Description

Mop cleaning device

Technical Field

The invention belongs to the technical field of cleaning tools, and particularly relates to a mop cleaning device suitable for cleaning and drying a flat mop.

Background

Rotatory mop has the convenient advantage of washing dehydration, especially can realize the clean effect of half-dry wet mop, including mop bucket and mop pole, the lower extreme of mop pole is equipped with the mop head that can take the wiper, and the mop pole is equipped with the drive structure that can turn into the concertina movement of outer pole the rotary motion of interior pole including the interior pole and the outer pole that cup joint mutually between the interior, outer pole, is equipped with rotatable washing dish and dehydration basket in the mop bucket, and the washing dish is located below the surface of water, and the dehydration basket is located above the surface of water. When in washing, the mop head is rotated to drive the washing disc in the mop barrel to rotate, so that the mop head is stirred and washed in water; during dehydration, the rotation of the mop head is facilitated to drive the dehydration basket in the mop barrel to rotate, and the function of centrifugal dehydration is realized. For example, the mop disclosed in the Chinese utility model patent with the publication number of CN201755206U, hand-press type rotary mop, can be used in conjunction with the dewatering barrel disclosed in the Chinese utility model patent with the publication number of CN201775610U, hand-press type rotary mop special-purpose dewatering barrel, to clean and dry the hand-press type rotary mop. In the traditional mop bucket, the cleaning and the drying are independently carried out in two parts in one bucket body, so that the cross sectional area of the whole bucket body is greatly increased. The same part of the cleaning and the drying of some mop heads is completed in the barrel body, but the mop heads need to have a lifting function at a rotating structure, namely, the dewatering basket is positioned at a low position and at least partially positioned under water when cleaning, and the dewatering basket is positioned at a high position and is completely positioned above the water surface when drying, so that the depth of the barrel body is increased, and the operation is complex. The volume of the existing mop bucket can not be designed to be miniaturized.

The applicant invents a novel structural non-lifting cleaning spin dryer tube, and an invention patent application with the application number of CN201710332858.1 (publication number of CN108852204A) discloses a structure, namely an improved mop tube, aiming at the current situation, the water-saving mop tube comprises a tube body, wherein a supporting structure for supporting a mop disc is arranged in the tube body, and the supporting structure can enable the mop disc placed on the tube body to rotate at a fixed height position; the method is characterized in that: the cleaning part is used for squeezing and scraping the wiping objects at the bottom of the mop disc rotating at the fixed height position in the barrel body, the water pump is used for spraying water to the wiping objects at the bottom of the mop disc rotating at the fixed height position in the barrel body, and the water pump is controlled by the control structure to spray water or not.

In the continuous test process of product, the discovery on-off structure close the effect not good enough, especially moves the back on the upper boom, because the mop head does not receive decurrent pressure, leads to on-off structure to upwards open under self spring action, and the water pump is intake and is held and open, leads to always still having water blowout at the stage of spin-drying, and the effect of spin-drying is not good enough, and simultaneously, the resistance that receives when the mop head is rotatory is great, and is more hard when leading to pushing down the mop pole. Therefore, the above solution needs to be further improved.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a mop cleaning device which can ensure that a switch assembly is reliably closed in the cleaning and spin-drying processes aiming at the current situation of the prior art, and can realize cleaning and spin-drying in situ without lifting.

The technical scheme adopted by the invention for solving the technical problems is as follows: a mop cleaning device comprises a hand-press type rotary mop and a cleaning barrel; the hand-press type rotary mop comprises an upper rod and a lower rod which are mutually sleeved, a driving structure capable of converting the telescopic motion of the upper rod into the rotary motion of the lower rod is arranged between the upper rod and the lower rod, the lower end of the lower rod is connected with a mop head with a wiping object, and a transmission shaft used for connecting the mop head and a water spraying mechanism used for spraying water to the wiping object are arranged in a cleaning barrel; the method is characterized in that: a limiting structure for limiting the mop head to be separated from the transmission shaft upwards is arranged between the cleaning barrels, and after force is applied, the mop head can be released from limiting and separated from the transmission shaft; the water spraying mechanism is provided with a control component for controlling the water quantity in the water spraying mechanism; under the condition that the mop head is connected onto the transmission shaft through the limiting structure, the rotation of the lower rod drives the transmission shaft, the mop head and the water pressing part of the water spraying mechanism to rotate together, and the mop head limited by the limiting structure limits the control part at a position for reducing the amount of water entering the water spraying mechanism; and under the condition that the mop head is separated from the transmission shaft, the control part moves to a position for increasing the water quantity entering the water spraying mechanism.

Preferably, the control member is provided beside the propeller shaft. The assembly of the control component is facilitated, and the periphery of the transmission shaft can be sleeved with the control component.

In a further improvement, the control part is provided with a contact part which forms rolling friction with the mop head. Ensuring that the mop head can rotate more easily. The contact member may be a roller or a steel ball or a cylindrical roller.

The roller in the background patent is directly contacted with a wiping material, the contact friction force is larger, the resistance borne by the mop head during rotation is larger, the force is more strenuous when the mop rod is pressed down, and the improvement is that the contact component is contacted with the bottom surface of the mop head which is not covered by the wiping material. The bottom of the mop head which is not covered by the wiping material is a plastic piece or a metal piece, the friction force is small when the roller is contacted with the plastic piece or the metal piece, the resistance force applied to the mop head is small when the mop head rotates, and the labor is saved when the mop rod is pressed down.

As a concrete realization mode of the control part, the control part is arranged on a shell of the water spraying mechanism and can slide up and down, the up-and-down sliding of the control part can change the water inflow of the water inlet end of the water spraying mechanism, the switch part keeps the upward moving trend under the action of the elastic part, the control part moves down to close the water inlet end of the water spraying mechanism, and the control part moves up to open the water inlet end of the water spraying mechanism. The control component is reasonable and simple in structure and convenient to set.

Preferably, the limiting structure is a snap structure. The buckle structure is convenient to connect and separate, and can limit the mop head from separating from the transmission shaft upwards.

Specifically, above-mentioned buckle structure is including inlaying the claw fastener who establishes in mop head bottom and can rotate along with the mop head, is equipped with the elasticity claw mouth that the opening is down on the claw fastener, the periphery of transmission shaft be equipped with elasticity claw mouth complex card muscle, under the intraoral state of transmission shaft insertion elasticity claw, the bottom of card muscle is buckled to the flexure strip of elasticity claw mouth and restriction claw fastener shifts up. The convex part on the inner surface of the elastic sheet is mutually clamped with the clamping rib on the transmission shaft, so that the mop head is limited to be separated from the transmission shaft upwards, the limiting force is larger than the elastic force of the elastic piece acting on the control part, and the smaller the limiting force is, the better the limiting force is.

Preferably, a rib groove inserting structure is further arranged between the transmission shaft and the claw fastener, and the rib groove inserting structure is combined together to enable the claw fastener to rotate to drive the transmission shaft to rotate under the condition that the transmission shaft is inserted into the elastic claw opening. The rib groove inserting structure can be formed by arranging a plurality of axial clamping grooves at intervals along the circumference of the transmission shaft, and a plurality of clamping ribs are arranged on the inner hole wall of the claw fastener or are arranged in reverse.

Preferably, a fixed shaft is fixed in a housing of the water spraying mechanism, a transmission shaft is sleeved at the top end of the fixed shaft, the water pressing part is an impeller, an impeller shaft on the impeller is sleeved on the fixed shaft through a bearing, and the transmission shaft is connected with the impeller shaft. The connection can be a hard connection, a threaded connection or a welded connection. The water pressing part is directly driven by the transmission shaft to realize high-pressure water output, an accelerating mechanism is not required to be arranged, the structure is simpler, the direct drive can be realized by directly and rigidly connecting the impeller and the transmission shaft, the impeller and the transmission shaft are directly connected without differential speed, the transmission mode of the impeller is simplest, and the water spraying mechanism is an impeller pump.

In order to facilitate assembly and cleaning, the inner bottom surface of the cleaning barrel is provided with an inwards concave containing cavity, and the shell of the water spraying mechanism is detachably arranged in the containing cavity.

Preferably, the limiting structure is arranged between the mop head and the transmission shaft. Of course, the limiting structure can also be an elastic sheet arranged on the inner wall of the mop bucket.

Compared with the prior art, the invention has the advantages that: a limiting structure for limiting the mop head to be separated from the transmission shaft upwards is arranged between the mop head and the transmission shaft, after force is applied, the mop head can remove the limiting structure and be separated from the transmission shaft, and the mop head limited by the limiting structure limits the control component to a position for reducing the water quantity entering the water spraying mechanism under the condition that the mop head is connected to the transmission shaft through the limiting structure; when the mop head is separated from the transmission shaft, the control part moves to a position where the water quantity entering the water spraying mechanism is increased, so that the water cannot enter the inner cavity of the water spraying mechanism or the water entering the inner cavity of the water spraying mechanism is greatly reduced, the water in the inner cavity of the water spraying mechanism is ensured to be less and less in the rotating process of the mop head, and the drying effect of the mop is ensured.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention with the mop removed;

FIG. 2 is a cross-sectional view of an embodiment of the invention with the mop removed (normal state);

FIG. 3 is a partially exploded view of the embodiment of the present invention with the mop removed;

FIG. 4 is a schematic perspective view (working state) of an embodiment of the present invention;

FIG. 5 is a cross-sectional view (working condition) of an embodiment of the present invention;

FIG. 6 is an enlarged view of FIG. 5 at A;

FIG. 7 is a first perspective view of a water spraying mechanism according to an embodiment of the present invention;

FIG. 8 is a second perspective view of the water spraying mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic perspective view of a pawl fastener according to an embodiment of the present invention

FIG. 10 is a schematic perspective view of an upper housing according to an embodiment of the present invention;

FIG. 11 is a schematic perspective view of a cover according to an embodiment of the present invention;

FIG. 12 is an exploded perspective view of a portion of the water spray mechanism of the first embodiment of the present invention;

FIG. 13 is a schematic perspective view of a mop according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in FIGS. 1 to 13, the preferred embodiment of the present invention is shown.

A mop cleaning device comprises a hand-press type rotary mop 2 and a cleaning barrel 1; the hand-press type rotary mop 2 comprises an upper rod 21 and a lower rod 22 which are mutually sleeved, a driving structure which can convert the telescopic motion of the upper rod 21 into the rotary motion of the lower rod 22 is arranged between the upper rod and the lower rod, the lower end of the lower rod 22 is connected with a mop head 23 with a wiping object 4, the wiping object 4 can be a cleaning cloth or the like, the mop head 23 is a flat mop head, and the flat mop head can be disc-shaped or rectangular.

The cleaning barrel 1 is internally provided with a transmission shaft 3 for connecting a mop head 23 and a water spraying mechanism 5 for spraying water to the wiping objects 4. The water spraying mechanism 5 can be a vane pump, so that the water pressing part 52 of the water spraying mechanism 5 is a vane wheel. A fixed shaft 8 is fixed in a shell 51 of the water spraying mechanism 5, a transmission shaft 3 is sleeved at the top end of the fixed shaft 8, an impeller shaft 521 on the impeller is arranged on the fixed shaft 8 through a bearing sleeve 8, and the transmission shaft 3 is connected with the impeller shaft 521.

A limiting structure for limiting the mop head 23 to be separated from the transmission shaft 3 upwards is arranged between the mop head 23 and the transmission shaft 3, and after the force is applied upwards, the mop head 23 can be separated from the transmission shaft 3 by removing the limiting of the limiting structure.

The water spraying mechanism 5 is provided with a control component 6 for controlling the water quantity in the water spraying mechanism 5; under the condition that the mop head 23 is connected to the transmission shaft 3 through the limiting structure, the rotation of the lower rod 22 drives the transmission shaft 3, the mop head 23 and the water pressing part 52 of the water spraying mechanism 5 to rotate together, and the mop head 23 limited by the limiting structure limits the control part 6 at a position for reducing the amount of water entering the water spraying mechanism 5; in the state that the mop head 23 is detached from the drive shaft 3, the control member 6 is moved to a position where the amount of water entering the inside of the water jetting mechanism 5 is increased.

The control component 6 is arranged on the shell 51 of the water spraying mechanism 5 and can slide up and down, the up-and-down sliding of the control component 6 can change the water inflow of the water inlet end 57 of the water spraying mechanism 5, the water amount change is realized by opening and closing the water inlet end 57 of the water spraying mechanism 5 in the embodiment, the control component 6 keeps the upward moving trend under the action of the elastic piece 61, the control component 6 moves downwards to close or basically close the water inlet end 57 of the water spraying mechanism 5, and the control component 6 moves upwards to open or basically open the water inlet end 57 of the water spraying mechanism 5; the control member 6 is disposed adjacent to the drive shaft 3. The top end of the control component 6 is provided with a contact component 62 which forms rolling friction with the mop head 5, and the contact component 62 is a roller. The contact member 62 contacts the bottom surface of the mop head 23 not covered by the wipe 4, and in this embodiment primarily the bottom surface of the claw grip 7 described below. The water inlet end 57 of the water spraying mechanism 5 is provided with a filtering component 56.

When the mop head 23 is connected to the transmission shaft 3 through the limiting structure, wherein the connection is generally sleeved on the transmission shaft 3 and driven by a rib groove insertion mode, the rotation of the lower rod 22 drives the transmission shaft 3, the mop head 23 and the water pressing part 52 of the water spraying mechanism 5 to rotate together, the control part 6 is pressed down by the mop head 23 to move down so as to close the water inlet end 57 of the water spraying mechanism 5, and meanwhile, the mop head 23 limited by the limiting structure limits the control part 6 at a downward movement closing position; under the state that the mop head 23 is separated from the transmission shaft 3, the control part 6 moves upwards under the action of the elastic piece 61, so that the water inlet end 57 of the water spraying mechanism 5 is opened by the control part 6.

The limiting structure is a buckle structure. The buckling structure comprises a claw buckle 7 which is embedded at the bottom of the mop head 23 and can rotate along with the mop head 23, the claw buckle 7 can be made of plastic with good wear resistance, an elastic claw opening 71 with a downward opening is arranged on the claw buckle 7, a clamping rib 31 matched with the elastic claw opening 71 is arranged on the periphery of the transmission shaft 3, and under the condition that the transmission shaft 3 is inserted into the elastic claw opening 71, an elastic piece 711 of the elastic claw opening 71 buckles the bottom of the clamping rib 31 to limit the claw buckle 7 to move upwards. The convex part 712 on the inner surface of the elastic piece 711 is mutually clamped with the clamping rib 31 on the transmission shaft 3, so as to play a role of limiting the mop head 23 to be separated from the transmission shaft 3 upwards, the limiting force is larger than the elastic force of the elastic piece 61 acting on the control part 6, and the smaller the limiting force is, the better the limiting force is.

A rib groove inserting structure is further arranged between the transmission shaft 3 and the claw buckle piece 7, and under the condition that the transmission shaft 3 is inserted into the elastic claw opening 71, the rib groove inserting structure is combined together to enable the claw buckle piece 7 to rotate to drive the transmission shaft 3 to rotate. Specifically, a plurality of axial slots 32 may be disposed at intervals along the circumference of the transmission shaft 3, and a plurality of ribs 72 may be disposed on the inner hole wall of the claw fastener 7.

The bottom surface in the cleaning barrel 1 is provided with a concave containing cavity 11, a shell 51 of the water spraying mechanism 5 is detachably arranged in the containing cavity 11, a clamping groove 55 is arranged on the shell 51, and a clamping block 12 matched with the clamping groove 55 is arranged on the inner wall of the containing cavity 11. The outer shell 51 of the water spraying mechanism 5 is formed by involutory connection of an upper shell 511 and a lower shell 512, and the surface of the lower shell 512 is provided with a plurality of water permeable holes 513; a cover cap 514 is connected to the lower shell 512 in a snap-fit manner, the cover cap 514 covers the water pressing part 52 of the water spraying mechanism 5, the interior of the cover cap 514 is communicated with the inner cavity of the shell 51, a water channel 515 is arranged at the side part of the cover cap 514, a transverse water outlet channel 53 communicated with the water channel 515 is arranged at the upper part of the shell 51, the water outlet channel 53 is radially arranged by taking the axis of the transmission shaft 3 as the center of a circle, and the length of the water outlet channel 53 is just basically the same as that of a wiping object in the radial direction along one side of the center of the mop; the wall of the outlet passage 53 is provided with a plurality of water spraying holes 531, and the water spraying holes 531 face the wiping material at the bottom of the mop head 23 connected to the driving shaft 3.

The bottom of the outlet passage 53 has an inlet end 532, the inlet end 532 is connected to the water passage 515 through the water pipe 54, and a baffle 533 is provided in the outlet passage 53 above the inlet end. The top of the upper shell 511 is provided with a water outlet groove 516 with an upward opening, the upper cover of the upper shell 511 is provided with a top cover 517 covering the upper opening of the water outlet groove 516, so that the water outlet channel 53 is formed between the water outlet groove 516 and the top cover 517, and the water spray hole 531 is arranged on the top cover 517.

The working principle and the process of the cleaning tool are as follows:

cleaning and drying process: the cleaning barrel 1 is filled with water, the elastic piece 61 enables the control component 6 to keep moving upwards to open the water inlet end 57 of the water spraying mechanism 5 under the state that the mop head 23 is not connected to the transmission shaft 3, and clean water enters the inner cavity of the water spraying mechanism 5 through the water inlet end 57. The mop head 23 is connected to the transmission shaft 3 through the buckle structure, when the transmission shaft 3 is inserted into the elastic claw opening 71, the elastic piece 711 of the elastic claw opening 71 buckles the bottom of the clamping rib 31 to limit the claw fastener 7 to move upwards, the convex part 712 on the inner surface of the elastic piece 711 is clamped with the clamping rib 31 on the transmission shaft 3, the mop head 23 is limited to be separated from the transmission shaft 3 upwards, the control part 6 is pressed down by the mop head 23 to move downwards so that the lower end of the control part 6 is closed to the water inlet end 57 of the water spraying mechanism 5, and water is not supplemented into the water spraying mechanism 5 any more or a small amount. Therefore, even if no downward pressure is applied to the mop rod, the control part 6 can not open the water inlet end 57 of the water spraying mechanism 5 under the action of the elastic part 61, so that water can not enter the inner cavity of the water spraying mechanism 5 or can be greatly reduced, the water in the inner cavity of the water spraying mechanism 5 is ensured to be less and less in the rotating process of the mop head 23, and the mop drying effect is ensured.

When the mop rod is operated, the rotation of the lower rod 22 drives the transmission shaft 3 and the mop head 23 to synchronously rotate together, the transmission shaft 3 drives the water pressing part 52 in the water spraying mechanism 5 to rotate, and the water pressing part 52 enables water to enter the water outlet channel 53 through the water channel 515 and the water pipe 54 and finally to be sprayed to the wiping objects through the water spraying holes 531; in the whole process, water is not supplemented to the inside of the water spraying mechanism 5 any more or a small amount, water in the inner cavity of the water spraying mechanism is less and less, the water spraying amount is large at the beginning of the process, the water amount obtained on the wiper is larger than the spin-drying water amount, the process is a cleaning process, the water spraying amount is gradually reduced, when the water in the inner cavity of the water spraying mechanism 5 is used up or basically used up, the water spraying mechanism 3 idles, water is not sprayed or little water is sprayed, at the moment, the spin-drying water amount is larger than the water amount obtained on the wiper, and the process is a. Because of wash and take off futilely all accomplish in same position, need not to set up respectively in the washing bucket and wash the position and spin-dry the position for whole washing bucket volume compares greatly with traditional mop head and reduces.

After the work is finished, the mop head is taken down from the transmission shaft 2, the control part 6 moves up and resets under the action of the elastic part 61, the water inlet end 57 of the water spraying mechanism 5 is opened, and water is supplemented to wait for the next operation.

It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "up, down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A mop cleaning device comprises a hand-press type rotary mop (2) and a cleaning barrel (1); the hand-press type rotary mop (2) comprises an upper rod (21) and a lower rod (22) which are mutually sleeved, a driving structure which can convert the telescopic motion of the upper rod (21) into the rotary motion of the lower rod (22) is arranged between the upper rod and the lower rod, and the lower end of the lower rod (22) is connected with a mop head (23) with a wiping object (4); a transmission shaft (3) used for connecting a mop head (23) and a water spraying mechanism (5) used for spraying water to the wiping materials (4) are arranged in the cleaning barrel (1); the method is characterized in that: a limiting structure for limiting the mop head (23) to be separated from the transmission shaft (3) upwards is arranged in the cleaning barrel (1), and after force is applied, the mop head (23) can be separated from the transmission shaft (3) by removing the limiting; the water spraying mechanism (5) is provided with a control component (6) for controlling the water quantity in the water spraying mechanism (5); under the condition that the mop head (23) is connected to the transmission shaft (3) through the limiting structure, the rotation of the lower rod (22) drives the transmission shaft (3), the mop head (23) and the water pressing component (52) of the water spraying mechanism (5) to rotate together, and the mop head (23) limited by the limiting structure limits the control component (6) at a position for reducing the amount of water entering the water spraying mechanism (5); when the mop head (23) is separated from the transmission shaft (3), the control part (6) moves to a position for increasing the water quantity entering the water spraying mechanism (5).

2. The mop cleaning device of claim 1, wherein: the control part (6) is arranged beside the transmission shaft (3).

3. The mop cleaning device of claim 2, wherein: the control part (6) is provided with a contact part (62) which forms rolling friction with the mop head (5).

4. The mop cleaning device of claim 3, wherein: the contact member (62) contacts the bottom surface of the mop head (23) not covered by the wipe (4).

5. The mop cleaning device of claim 1, wherein: the control component (6) is arranged on the shell (51) of the water spraying mechanism (5) and can slide up and down, the up-and-down sliding of the control component (6) can change the water inflow of the water inlet end (57) of the water spraying mechanism (5), the switch component (6) is acted by the elastic piece (61) to keep moving up, the control component (6) moves down to close the water inlet end (57) of the water spraying mechanism (5), and the control component (6) moves up to open the water inlet end (57) of the water spraying mechanism (5).

6. The mop cleaning device of claim 1, wherein: the limiting structure is a buckle structure.

7. The mop cleaning device of claim 6, wherein: the buckle structure comprises a claw fastener (7) which is embedded at the bottom of the mop head (23) and can rotate along with the mop head (23), an elastic claw opening (71) with a downward opening is formed in the claw fastener (7), a clamping rib (31) matched with the elastic claw opening (71) is arranged on the periphery of the transmission shaft (3), and under the condition that the transmission shaft (3) is inserted into the elastic claw opening (71), an elastic piece (711) of the elastic claw opening (71) buckles the bottom of the clamping rib (31) to limit the claw fastener (7) to move upwards.

8. The mop cleaning device of claim 7, wherein: still be equipped with the muscle groove between transmission shaft (3) and claw fastener (7) and insert to join in marriage the structure, under the state that transmission shaft (3) inserted in elasticity claw mouth (71), the muscle groove is inserted and is joined in marriage the structure and combine together and enable the rotation drive transmission shaft (3) of claw fastener (7) and rotate.

9. The mop cleaning device of claim 1, wherein: a fixed shaft (9) is fixed in a shell (51) of the water spraying mechanism (5), the transmission shaft (3) is sleeved at the top end of the fixed shaft (9), the water pressing part (52) is an impeller, an impeller shaft (521) on the impeller is arranged on the fixed shaft (9) through a bearing sleeve (8), and the transmission shaft (3) is connected with the impeller shaft (521).

10. The mop cleaning device of claim 1, wherein: the limiting structure is arranged between the mop head (23) and the transmission shaft (3).