Cleaning structure for flat mop and flat mop

Abstract

The cleaning structure comprises a water squeezing frame, a penetrating opening for a flat mop head to penetrate through is formed in the water squeezing frame, a scraping assembly is arranged on one side of the penetrating opening, the flat mop head moves up and down in the penetrating opening, and the scraping assembly cleans a wiping object of the flat mop head. A cleaning roller is rotationally arranged on one side of the scraping assembly, the interior of the cleaning roller is hollow to form a storage bin, a cleaning block is arranged in the storage bin, a plurality of through holes communicated with the storage bin are formed in the surface of the cleaning roller, and the cleaning roller rotates along with vertical movement of the flat mop head. And the cleaning block moves in the storage bin or moves along with the cleaning roller. The cleaning structure for the flat mop is provided with the storage bin provided with the cleaning block, and the storage bin drives the cleaning block to be conveniently transferred to the wiping object of the mop head for deep cleaning.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning tools, and in particular to a cleaning structure for a flat mop and the flat mop. Background Art

[0002] Flat mops are chosen and used by more and more people for their advantages such as being economical, practical, convenient and quick to use. The existing flat mops have roughly similar structures, including a mop rod and a flat mop head. The mop rod is hinged on the upper surface of the flat mop head, and a wipe is installed on the back of the flat mop head. In order to clean the wipe after use, the flat mop is also equipped with a cleaning mechanism. In order to better clean the wipe, the existing cleaning mechanism is provided with a liquid filling tank for adding cleaning liquid on the cleaning mechanism. The cleaning liquid slowly seeps out from the liquid seepage port or liquid outlet of the liquid filling tank and flows onto the wipe to deeply clean the wipe. However, the cleaning liquid has a strong fluidity and may flow away before it is completely in contact with the wipe for cleaning. At the same time, it also flows unevenly to the surface of the entire wipe, and there is a situation where there is too much cleaning liquid on some surfaces of the wipe, while there is no cleaning liquid on other surfaces. There is also a cleaning mechanism that is provided with a storage bin, in which a cleaning slow-release block is provided. The cleaning slow-release block will dissolve and soften when in contact with water, releasing the bactericidal cleaning component for sterilization and cleaning. However, the released bactericidal cleaning substance mostly flows out of the storage bin by its own gravity or fluidity. If the fluidity of the cleaning slow-release block is poor, when the mop head is started to be cleaned, there will be less or even no effective cleaning substance. Therefore, in order to ensure that there is enough cleaning substance to clean the wipe of the mop head, the cleaning time needs to be extended to allow the bactericidal cleaning substance to flow out, affecting the user experience. Summary of the invention

[0003] The purpose of the present invention is to provide a cleaning structure for a flat mop, which is provided with a storage bin for installing cleaning blocks, and the storage bin drives the cleaning blocks to be conveniently transferred to the wiping material of the mop head for deep cleaning.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A cleaning structure for a flat mop comprises a water squeezing rack, a through hole for a flat mop head to pass through is arranged on the water squeezing rack, a scraping assembly is arranged on one side of the through hole, the flat mop head moves up and down in the through hole, the scraping assembly cleans the wiped object of the flat mop head, a cleaning roller is rotatably arranged on one side of the scraping assembly, the interior of the cleaning roller is hollow to form a storage bin, a cleaning block is arranged in the storage bin, and a plurality of through holes communicating with the storage bin are arranged on the surface of the cleaning roller, the cleaning roller rotates following the up and down movement of the flat mop head, and the cleaning block moves in the storage bin or follows the movement of the cleaning roller.

[0006] Preferably, one end of the cleaning roller is provided with an opening communicating with the storage bin, an end cover is detachably connected to the opening, a rotating shaft is provided on the end of the end cover opposite to the opening of the cleaning roller, an axial hole is provided on the water squeezing rack, and the rotating shaft is rotatably arranged in the axial hole.

[0007] Preferably, a cover plate is provided on the water squeezing frame at a position corresponding to the cleaning roller, and the cover plate is movably connected to the water squeezing frame; a first positioning arc groove is provided on the cover plate, and a second positioning arc groove is provided on the water squeezing frame, and the first positioning arc groove and the second positioning arc groove together form the axial hole.

[0008] Preferably, the cover plate is arranged on a side opposite to the through opening, a positioning plate is provided on a side of the cover plate close to the cleaning roller, the first positioning arc groove is provided on the positioning plate; and an air hole is also provided on the cover plate.

[0009] Preferably, a clamping plate is provided on one side of the cover plate, and a clamping hole cooperating with the clamping plate is provided on the water squeezing rack; a U-shaped clamping block is provided on the side of the cover plate opposite to the clamping plate, the U-shaped clamping block is provided with a clamping protrusion and a toggle portion, and a clamping edge cooperating with the clamping protrusion is provided on the water squeezing rack.

[0010] Preferably, the scraping assembly includes a scraper, and a first limiting portion and a second limiting portion are provided on the water squeezing frame. The scraper is rotated to set the first limiting portion and the second limiting portion between them. When the scraper contacts the first limiting portion, the width of the hole is the smallest, and when the scraper contacts the second limiting portion, the width of the hole is the largest.

[0011] Preferably, pivots are provided at both ends of the scraper, and a rotating hole cooperating with the pivot is provided on the water squeezing frame; and a side of the scraper close to the first limiting portion is an arc surface.

[0012] Preferably, the first limiting portion and the second limiting portion are a plurality of columns arranged opposite to each other, and an upper portion of the second limiting portion close to a side of the scraper is a downwardly inclined slope.

[0013] Preferably, the cleaning block is solid soap; a plurality of protrusions are staggeredly arranged on the surface of the cleaning roller; the scraping assembly also includes scraping teeth, and the scraping teeth, the cleaning roller and the scraper are sequentially arranged on the through opening.

[0014] Preferably, a support assembly is provided on the side of the through opening opposite to the scraping assembly, a cleaning opening is formed between the scraping assembly and the support assembly, the flat mop head moves up and down in the cleaning opening, and the support assembly supports the flat mop head to contact the scraping assembly and the cleaning roller.

[0015] Preferably, the support assembly comprises at least one group of rollers, support shafts are provided on both sides of the rollers, a support is provided on the water squeezing rack, a slot is provided on the support, and the support shaft is rotatably connected to the slot.

[0016] Preferably, the water squeezing rack comprises an upper bracket and a lower bracket, the upper bracket is connected to the lower bracket by snapping or screwing; and the through opening is formed between the upper bracket and the lower bracket.

[0017] Preferably, the cleaning roller and the scraping assembly are arranged on the lower bracket, and the cleaning roller extends over the entire width of the through opening.

[0018] In the above technical solution, a cleaning roller is rotatably arranged on one side of the scraping assembly, and the interior of the cleaning roller is hollow to form a storage bin, in which a cleaning block is installed, and the flat mop head moves up and down in the cleaning stroke, and a plurality of through holes connected to the storage bin are arranged on the surface of the cleaning roller, and the cleaning roller rotates following the up and down movement of the flat mop head, and the cleaning block moves in the storage bin or follows the movement of the cleaning roller, so that the cleaning roller accelerates the flow of the sterilization cleaning substance released by the cleaning block during the rotation of the flat mop head, and then the cleaning block can pass through the through hole faster and reach the wiped object of the flat mop head, thereby deeply cleaning the wiped object; or the cleaning roller rotates during the rotation of the flat mop head, and the softened cleaning block continuously moves and collides in the storage bin, so that the sterilization cleaning substance escapes or passes through the through hole, and can also contact the wiped object for cleaning. And the scraping assembly can scrape and remove the garbage scraped and scrubbed on the flat mop head. Furthermore, the through holes are distributed throughout the surface of the cleaning roller, that is, the through holes are distributed throughout the entire width of the flat mop head, so that the cleaning block can be transferred to the entire cleaning surface of the wipe, thereby ensuring the overall cleaning effect of the wipe.

[0019] The purpose of the present invention is to provide a flat mop, which has a cleaning roller sleeve. A cleaning block is installed in the cleaning roller of the cleaning roller sleeve. The cleaning block can pass through a through hole to clean the entire surface of an object wiped by a mop head.

[0020] To achieve the above object, the present invention adopts the following technical solutions:

[0021] A flat mop comprises a mop rod and a mop head rotatably connected to the mop rod, a wiping object is arranged on the mop head, a stroking sleeve is arranged on the mop rod, a cleaning structure for the flat mop is arranged on the stroking sleeve, and the stroking sleeve can move up and down along the mop rod to clean the wiping object.

[0022] Preferably, the sleeve is provided with a sleeve rod, the sleeve rod is sleeved on the mop rod, a track is provided inside the sleeve rod, a limiting groove is provided at the end of the track, and a slider is fixedly connected to the mop rod. When the sleeve moves up and down along the mop rod, the slider slides in the track; when the sleeve is fixed to the mop rod, the slider is stuck in the limiting groove.

[0023] In the above technical solution, the stroking cover can deeply clean the wiped objects of the flat mop head, and is easy to use and has a good cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the cleaning structure for a flat mop of the present invention;

[0025] Figure 2 This is a structural diagram of the disassembled state of the cleaning structure for a flat mop of the present invention;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the lower bracket (without the cover plate) of the present invention;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the lower bracket (with a cover plate) of the present invention;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the cover plate of the present invention;

[0029] Figure 6 It is a schematic diagram of the three-dimensional structure of the cleaning roller of the present invention;

[0030] Figure 7 It is a cross-sectional view of the cleaning structure for a flat mop of the present invention;

[0031] Figure 8 It is a cross-sectional view of the cleaning structure for a flat mop according to the present invention at a second angle;

[0032] Fig. 9 It is a schematic diagram of the three-dimensional structure of the flat mop of the present invention.

[0033] In the figure, 1 is a water squeezing rack; 11 is an axial hole; 12 is a through hole; 13 is a scraping tooth; 14 is a clamping hole; 15 is a clamping edge; 2 is a scraping assembly; 21 is a scraper; 22 is a pivot; 23 is an arc surface; 3 is a cleaning roller; 31 is a storage bin; 32 is a through hole; 33 is an opening; 34 is an end cover; 35 is a rotating shaft; 4 is a cover plate; 41 is a first positioning arc groove; 42 is a positioning plate; 43 is a vent hole; 44 is a clamping plate; 45 is a U-shaped clamping block; 46 is a clamping protrusion; 47 is a toggle part; 5 is a lower bracket; 51 is a second positioning groove; 52 is a first limiting part; 53 is a second limiting part; 53 is an inclined surface; 54 is a rotating hole; 6 is an upper bracket; 61 is a support; 62 is a hole; 7 is a support assembly; 71 is a roller; 72 is a supporting shaft; 8 is a sleeve; 81 is a sleeve rod; 82 is a track; 83 is a limiting groove; 9 is a mop rod; 10 is a mop head. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings:

[0035] like Figures 1 to 9 As shown, a cleaning structure for a flat mop includes a water squeeze rack 1, a through hole 12 for a flat mop head to pass through is provided on the water squeeze rack 1, a scraping assembly 2 is provided on one side of the through hole 12, a support assembly 7 is provided on the side of the through hole 12 opposite to the scraping assembly 2, a cleaning groove is formed between the scraping assembly 2 and the support assembly 7, a cleaning roller 3 is rotatably provided on one side of the scraping assembly 2, the interior of the cleaning roller 3 is hollow to form a storage bin 31, a cleaning block is installed in the storage bin 31, and the cleaning block is preferably solid soap; the flat mop head 10 moves up and down in the cleaning groove, the support assembly 7 supports the mop head 10 to contact with the scraping assembly 2 and the cleaning roller 3, and the scraping assembly 2 cleans the wiped material on the flat mop head 10. A plurality of through holes 32 connected to the storage bin 31 are provided on the surface of the cleaning roller 3, the cleaning roller 3 rotates following the up and down movement of the flat mop head 10, and the cleaning block moves in the storage bin 31 or follows the movement of the cleaning roller 3. In this way, the cleaning roller 3 accelerates the flow of the sterilizing cleaning material released by the cleaning block during the rotation of the flat mop head, so that the cleaning material can pass through the through hole 32 more quickly and reach the wiped material of the flat mop head, thereby deeply cleaning the wiped material; or when the cleaning roller 3 rotates following the flat mop head, the softened cleaning block continuously moves and collides in the storage bin, so that the sterilizing cleaning material escapes from or passes through the through hole 32, and can also contact the wiped material for cleaning.

[0036] Furthermore, the through holes 32 are distributed throughout the surface of the cleaning roller 3, that is, the through holes 32 cross the entire width of the flat mop head, so that the cleaning block can be transferred to the entire cleaning surface of the wipe, thereby ensuring the overall cleaning effect of the wipe.

[0037] In a preferred embodiment, one end of the cleaning roller 3 is provided with an opening 33 communicating with the storage bin 31, and an end cover 34 is detachably connected to the opening 33. By opening the end cover 34, the cleaning bin 31 can be first replenished with cleaning blocks or the cleaning bin 31 can be thoroughly cleaned. Furthermore, a rotating shaft 35 is provided on the end of the end cover 34 opposite to the opening 33 of the cleaning roller 3, and an axial hole 11 is provided on the squeezing frame 1. The rotating shaft 35 is rotatably arranged in the axial hole 11, so that the cleaning roller 3 can rotate along with the movement of the flat mop head.

[0038] In a preferred embodiment, a cover plate 4 is provided at a position corresponding to the cleaning roller 3 on the water squeezing frame 1, and the cover plate 4 is movably connected to the water squeezing frame 1. By opening the cover plate 4, the cleaning roller 3 can be conveniently taken out from the water squeezing frame 1; or by closing the cover plate 4, the cleaning roller 3 can be installed on the water squeezing frame 1. Further, a first positioning arc groove 41 is provided on the cover plate 4, and a second positioning arc groove 51 is provided on the water squeezing frame 1. The first positioning arc groove 41 and the second positioning arc groove 51 jointly form an axial hole 11. When the cover plate 4 is closed on the water squeezing frame 1, the first positioning arc groove 41 and the second positioning arc groove 51 form the axial hole 11 correspondingly, and at this time, the first positioning arc groove 41 encloses the rotating shaft 35 in the second positioning arc groove 51. When the cover plate 4 is opened from the water squeezing frame 1, the separation of the first positioning arc groove 41 and the second positioning arc groove 51 is the restriction of the opening of the axial hole 11 on the rotating shaft 35, and at this time, the rotating shaft 35 can be conveniently taken out from the second positioning arc groove 52.

[0039] In a preferred embodiment, the cover plate 4 is arranged on the side of the water squeezing frame 1 opposite to the through opening 12, a positioning plate 42 is arranged on the side of the cover plate 4 close to the cleaning roller 3, a first positioning arc groove 41 is arranged on the positioning plate 42, when the cover plate 4 is covered on the water squeezing frame 1, the positioning plate 42 is inserted into the water squeezing frame 1 and the first positioning arc groove 41 corresponds to the second positioning slide groove 51. Furthermore, a vent hole 43 is arranged on the cover plate 4, and the vent hole 43 is convenient for air drying the water stains accumulated in the water squeezing frame to prevent the cleaning block from being soaked and softened when not in use.

[0040] Furthermore, a clamping plate 44 is provided on one side of the cover plate 4, a clamping hole 14 cooperating with the clamping plate 44 is provided on the water squeezing frame 1, a U-shaped clamping block 45 is provided on the side of the cover plate 4 opposite to the clamping plate 44, a clamping protrusion 46 and a toggle portion 47 are provided on the U-shaped clamping block 45, and a clamping edge 15 cooperating with the clamping protrusion 46 is provided on the water squeezing frame 1. The clamping plate 44 is obliquely inserted into the clamping hole 14 and clamped on the edge of the clamping hole 14, and then the U-shaped clamping block 45 is pressed to clamp the clamping protrusion 46 into the clamping edge 15, that is, the cover plate 4 is clamped and fixed on the water squeezing frame 1; when it is necessary to open the cover plate 4, the toggle portion 47 is pushed to compress the U-shaped clamping block 45 to drive the clamping protrusion 46 to disengage from the clamping edge 15, and then the cover plate 4 is rotated and the cover plate 4 is continuously pulled obliquely to be opened. Alternatively, the cover plate 4 is rotated and connected to the water squeezing frame 1.

[0041] In a preferred embodiment, the scraping assembly 2 includes a scraper 21, and a first limit portion 52 and a second limit portion 53 are provided on the water squeezing frame 1. The scraper 21 is rotated to set the first limit portion 52 and the second limit portion 53 between them. When the mop head 10 moves upward at the cleaning stroke, the scraper 21 follows the rotation and contacts the first limit portion 52. At this time, the width of the cleaning stroke is the smallest, and the scraping force on the wipe is relatively large; when the mop head 10 moves downward at the cleaning stroke, the scraper 21 follows the rotation and contacts the second limit portion 53. At this time, the width of the cleaning stroke or the through-opening is the largest, and the scraping force on the wipe is relatively small, which facilitates the mop to pass through.

[0042] In a preferred embodiment, the first limiting portion 52 and the second limiting portion 53 are a plurality of columns arranged opposite to each other, and a rotation groove is formed between the first limiting portion 52 and the second limiting portion 53, and rotation holes are provided at both ends of the water squeezing frame 1 corresponding to the rotation groove, and pivots 22 are provided at both ends of the scraper 21, and the scraper 21 is rotatably arranged in the rotation hole 54 through the pivot 22, and the upper part of the second limiting portion 53 close to the scraper 21 is a downwardly inclined inclined surface 531, so that the scraper 21 will tilt when contacting the second limiting portion 53, thereby increasing the width of the cleaning mouth. Further, the side 23 of the scraper 21 close to the first limiting portion 52 is an arc surface, so that when the mop head 10 moves downward at the cleaning mouth, the arc surface of the scraper 21 can facilitate the mop head to pass through.

[0043] In a preferred embodiment, a plurality of protrusions are staggered on the surface of the cleaning roller 3, and the protrusions can have a scrubbing effect on the wiped object; the scraping assembly 2 also includes scraping teeth 13, and the scraping teeth 13, the cleaning roller 3 and the scraper 21 are sequentially arranged on the through opening 12. When the mop head 10 moves upward on the cleaning mouth, it passes through the scraping teeth 13, the cleaning roller 3 and the scraper 21 in sequence. The scraping teeth 13 first comb out the garbage adhering to the wiped object, and then the cleaning block is transferred to the wiped object through the cleaning roller, and the cleaning roller has a scrubbing effect on the wiped object, and then the scraper 21 scrapes and cleans the cleaned dirt. Further, the scraping teeth 13 are arranged on the inlet side of the cleaning mouth and are integrally formed with the water squeeze frame.

[0044] In a preferred embodiment, the support assembly 7 includes at least one group of rollers 71, preferably two groups. Support shafts 72 are provided on both sides of the rollers 71, a support 61 is provided on the water squeezing frame 1, a slot 62 is provided on the support 61 to match the support shaft 72, the support shaft 72 is rotatably connected in the slot 62, the rollers 71 are supported on the back of the mop head and can rotate following the movement of the flat mop.

[0045] In a preferred embodiment, the water squeezing rack 1 includes an upper bracket 6 and a lower bracket 5, and the upper bracket 6 is connected to the lower bracket 5 by snap-fitting or screwing; and a through-hole 12 is formed between the upper bracket 6 and the lower bracket 5, and the scraping teeth 13, the cleaning roller 3 and the scraping assembly 2 are arranged on the lower bracket 5, and the cleaning roller 3 extends the entire width of the through-hole 12, and the support assembly 3 is rotatably arranged on the upper bracket 11.

[0046] A flat mop includes a mop rod 9 and a mop head 10 rotatably connected to the mop rod 9, a wiping object (not shown in the drawings) is arranged on the mop head 10, and a stroking sleeve 8 is arranged on the mop rod 9, and the stroking sleeve 8 includes a sleeve rod 81, and one end of the sleeve rod 81 is connected to the cleaning structure for the flat mop described in the above technical solution. Further, the sleeve rod 81 is connected to the upper bracket 6 and arranged between the support components 7, and the stroking sleeve 8 can move up and down along the mop rod 9, so that the mop head 10 moves up and down in the cleaning stroking mouth to clean the wiping object. Further, a track 82 is arranged in the sleeve rod 81, and a limiting groove 83 is arranged at the end of the track 82. A slider is fixedly connected to the mop rod 9, and when the stroking sleeve 8 moves up and down along the mop rod 9, the slider slides in the track 82; when the stroking sleeve 8 needs to be fixed to the mop rod 9 after cleaning, the slider is stuck in the limiting groove 83.

[0047] In the above technical solution, when it is necessary to clean the flat mop head, the mop head is inserted into the cleaning mouth and moved back and forth, the scraping teeth comb off the hair attached to the mop head, and the cleaning roller rotates under the drive of the flat mop head. During the rotation of the cleaning roller, part of the cleaning body can quickly pass through the through hole 32 and be rubbed on the wipe. At the same time, the cleaning roller has a scrubbing effect on the wipe, and the scraping component scrapes and removes the dirt and garbage on the wipe, thereby achieving deep cleaning of the wipe and better cleaning effect for the flat mop. When it is necessary to add a cleaning body, press the toggle part 47 to make the card protrusion 46 protrude from the card edge 15, then pull the cover plate 4 obliquely and make the card plate 44 fall out of the card hole 14, then open the cover plate 4, then take out the cleaning roller 3, and remove the end cover 34. At this time, the storage bin 21 is opened, that is, the cleaning body can be added to the storage bin. Then put on the end cover, install the cleaning roller on the water squeeze rack, and finally install the cover plate to complete the addition of the cleaning block.

[0048] This embodiment is only an illustration of the concept and implementation of the present invention, and does not limit it. Under the concept of the present invention, technical solutions that have not been substantially changed are still within the scope of protection.

Claims

1. A cleaning structure for a flat mop, comprising a squeezing rack, a through hole for the flat mop head to pass through, a scraping assembly is provided on one side of the through hole, the flat mop head moves up and down in the through hole, and the scraping assembly cleans the wiped object of the flat mop head, characterized in that: A cleaning roller is rotatably arranged on one side of the scraping assembly. The interior of the cleaning roller is hollow to form a storage bin. A cleaning block is installed in the storage bin. A plurality of through holes communicating with the storage bin are provided on the surface of the cleaning roller. The cleaning roller rotates following the up and down movement of the flat mop head, and the cleaning block moves in the storage bin or follows the movement of the cleaning roller.

2. The cleaning structure for a flat mop according to claim 1, characterized in that: One end of the cleaning roller is provided with an opening communicating with the storage bin, an end cover is detachably connected to the opening, a rotating shaft is provided on the end of the end cover opposite to the opening of the cleaning roller, an axial hole is provided on the water squeezing rack, and the rotating shaft is rotatably arranged in the axial hole.

3. The cleaning structure for a flat mop according to claim 2, characterized in that: A cover plate is provided on the water squeezing frame at a position corresponding to the cleaning roller, and the cover plate is movably connected to the water squeezing frame; a first positioning arc groove is provided on the cover plate, and a second positioning arc groove is provided on the water squeezing frame, and the first positioning arc groove and the second positioning arc groove together form the shaft hole.

4. The cleaning structure for a flat mop according to claim 3, characterized in that: The cover plate is arranged on a side opposite to the through opening, a positioning plate is arranged on a side of the cover plate close to the cleaning roller, the first positioning arc groove is arranged on the positioning plate; and an air hole is also arranged on the cover plate.

5. The cleaning structure for a flat mop according to claim 3 or 4, characterized in that: A clamping plate is provided on one side of the cover plate, and a clamping hole cooperating with the clamping plate is provided on the water squeezing rack; a U-shaped clamping block is provided on the side of the cover plate opposite to the clamping plate, and a clamping protrusion and a toggle portion are provided on the U-shaped clamping block, and a clamping edge cooperating with the clamping protrusion is provided on the water squeezing rack.

6. The cleaning structure for a flat mop according to claim 5, characterized in that: The scraping assembly includes a scraper, and a first limiting portion and a second limiting portion are provided on the water squeezing frame. The scraper is rotated to set the first limiting portion and the second limiting portion between them. When the scraper contacts the first limiting portion, the width of the through opening is the smallest, and when the scraper contacts the second limiting portion, the width of the through opening is the largest.

7. The cleaning structure for a flat mop according to claim 6, characterized in that: Pivots are arranged at both ends of the scraper, and a rotating hole matched with the pivot is arranged on the water squeezing frame; and a side of the scraper close to the first limiting portion is an arc surface.

8. The cleaning structure for a flat mop according to claim 6 or 7, characterized in that: The first limiting portion and the second limiting portion are a plurality of columns arranged opposite to each other, and the upper portion of the second limiting portion close to the scraper is a downwardly inclined slope.

9. The cleaning structure for a flat mop according to any one of claims 1 to 4, 6 and 7, characterized in that: The cleaning block is solid soap; a plurality of protrusions are arranged alternately on the surface of the cleaning roller; the scraping assembly also includes scraping teeth, and the scraping teeth, the cleaning roller and the scraper are arranged on the through opening in sequence.

10. The cleaning structure for a flat mop according to any one of claims 1 to 4, 6 and 7, characterized in that: A support assembly is provided on the side of the through opening opposite to the scraping assembly, a cleaning opening is formed between the scraping assembly and the support assembly, the flat mop head moves up and down in the cleaning opening, and the support assembly supports the flat mop head to contact the scraping assembly and the cleaning roller.

11. The cleaning structure for a flat mop according to claim 10, characterized in that: The support assembly comprises at least one group of rollers, support shafts are arranged on both sides of the rollers, a support is arranged on the water squeezing frame, a slot is arranged on the support, and the support shaft is rotatably connected to the slot.

12. The cleaning structure for a flat mop according to any one of claims 1 to 4, 6 and 7, characterized in that: The water squeezing rack comprises an upper bracket and a lower bracket, the upper bracket is connected to the lower bracket by snapping or screwing; and the through opening is formed between the upper bracket and the lower bracket.

13. The cleaning structure for a flat mop according to claim 12, characterized in that: The cleaning roller and the scraping assembly are arranged on the lower bracket, and the cleaning roller extends over the entire width of the through opening.

14. A flat mop, comprising a mop rod and a mop head rotatably connected to the mop rod, wherein a wiping object is arranged on the mop head, characterized in that: The mop rod is provided with a stroke sleeve, on which is provided a cleaning structure for a flat mop as claimed in any one of claims 1 to 13, the stroke sleeve can move up and down along the mop rod to clean the wiped object.

15. The flat mop according to claim 14, characterized in that: The sleeve is provided with a sleeve rod, which is sleeved on the mop rod. A track is provided inside the sleeve rod, and a limiting groove is provided at the end of the track. A slider is fixedly connected to the mop rod. When the sleeve moves up and down along the mop rod, the slider slides in the track; when the sleeve is fixed to the mop rod, the slider is stuck in the limiting groove.

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