Flat plate type mop

Abstract

The utility model provides a flat plate type mop, and relates to the technical field of cleaning tools, in order to solve the problem that a water squeezing structure of a flat plate type mop in the prior art cannot adapt to cleaning cloth with different thicknesses, the flat plate type mop comprises a water squeezing device, a mop rod and a mop head, and the mop head and the mop rod are rotatably connected to one end of the mop rod. The water squeezing device comprises a water squeezing frame and a water scraping strip, a water squeezing opening allowing the mop head to penetrate through is formed in the water squeezing frame, an inclined face is arranged on the side, corresponding to the cleaning face of the mop head, in the water squeezing opening, and the water scraping strip is arranged in the water squeezing opening in the first direction and arranged on the inclined face in a sliding mode. When the mop head is pulled in the water squeezing opening in the second direction, the water scraping strip moves along the inclined face so as to adjust the distance between the top end of the water scraping strip and the top side of the water squeezing opening. The water squeezing device is connected to the mop rod in a sliding mode, and the mop head can stretch into the water squeezing opening and move relative to the water squeezing frame to achieve water squeezing. The flat plate type mop can adapt to mop heads with different thicknesses, and is wide in application range and good in water removal effect.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning tools, in particular to a flat mop. Background Art

[0002] Mops are widely used in people's daily lives as a cleaning tool. They generally include flat mops and cotton mops. Among them, flat mops have a larger contact area with the ground, save time when mopping the floor, and have high cleaning efficiency, so they occupy a higher proportion in the market.

[0003] Existing flat mops, which have the advantages of fast cleaning speed and good cleaning effect, are equipped with a water squeezing device that can move back and forth along the length of the mop rod to squeeze and remove water from the wiping material. For example, the flat mop disclosed in the patent application document with application number 201520747967.6 includes a mop rod and a flat bottom plate. At the same time, the mop rod is covered with a sliding sleeve, and the lower portion of the sliding sleeve is connected to a squeezing sleeve. The squeezing sleeve and the bottom plate are matched. The sliding sleeve and the squeezing sleeve are integrally formed using a mold injection molding. The inner side of the squeezing sleeve that contacts the lower surface of the bottom plate is provided with comb teeth. When a cleaning cloth is provided, the comb teeth contact the cleaning cloth. This flat mop only squeezes and cleans the cleaning cloth through the lower surface of the bottom plate and the comb teeth thereon. The fixed position of the comb teeth cannot adapt to cleaning cloths of different thicknesses, resulting in a small range of application and limited water squeezing effect. Utility Model Content

[0004] The purpose of the utility model is to provide a flat mop to solve the problem that the water squeezing structure of the flat mop in the prior art cannot adapt to cleaning cloths of different thicknesses. The flat mop of the utility model can adapt to mop heads of different thicknesses, has a wide range of applications, and has a good water removal effect.

[0005] The utility model provides a flat mop, comprising a water squeezing device, a mop rod and a mop head, wherein the mop head and the mop rod are rotatably connected to one end of the mop rod, the water squeezing device comprises a water squeezing frame and a scraper strip, a water squeezing port for the mop head to pass through is provided on the water squeezing frame, an inclined surface is provided on a side of the water squeezing port corresponding to the cleaning surface of the mop head, the scraper strip is arranged in the water squeezing port along a first direction and is slidably arranged on the inclined surface, and when the mop head is pulled in a second direction in the water squeezing port, the scraper strip moves along the inclined surface to adjust the distance between the top end of the scraper strip and the top side of the water squeezing port; the water squeezing device is slidably connected to the mop rod, the mop head can be extended into the water squeezing port and move relative to the water squeezing frame to squeeze water.

[0006] As a preferred solution of the present invention, the water squeezing rack has corresponding first and second sides in the second direction, the inclined surface is inclined from top to bottom from the first side to the second side, and the top end of the wiper strip has a tip portion inclined toward the second side.

[0007] As a preferred solution of the present invention, the mop head includes a sticky plate, a base plate, a snap-on plate and an upper cover, the snap-on plate is arranged between the base plate and the upper cover, a plurality of snaps are provided on the sticky plate, through holes for plugging with the snaps are provided on the base plate, and snap-on hooks corresponding to and snap-on with the snaps are provided on the snap-on plate, and the snap-on plate can be moved relative to the upper cover and the base plate to drive the hooks to disengage from the snaps.

[0008] As a preferred solution of the present invention, a snap-in hole is provided on one side of the snap-in plate corresponding to each of the snap-in hooks, and a sliding surface is provided on the bottom side of the snap-in hook which is inclined toward one side of the snap-in hole. The top end of the snap buckle can slide into the snap-in hole through the sliding surface and snap into engagement with the snap hook.

[0009] As a preferred solution of the present invention, a plurality of limiting holes are provided on the clamping plate, a plurality of limiting columns are provided in the limiting holes, the axes of the limiting columns are arranged horizontally, and limiting grooves are respectively provided in the lower side of the upper cover corresponding to each of the limiting holes, and elastic parts are respectively provided in the limiting grooves, and the elastic parts are sleeved on the limiting columns and abut against the limiting grooves.

[0010] As a preferred solution of the present invention, a sliding hole is provided on the upper cover, and a toggle block is provided on the upper side of the clamping plate, and the toggle block is provided through the sliding hole.

[0011] As a preferred solution of the present invention, the water squeezing rack has a corresponding third side and fourth side in the first direction, and the third side and fourth side in the water squeezing outlet are respectively provided with a first sliding groove, the first sliding groove is arranged on the upper side of the inclined surface and is inclined along the inclination direction of the inclined surface, and sliding blocks are respectively provided at both ends of the wiper strip, and the sliding blocks are slidably connected to the first sliding groove.

[0012] As a preferred solution of the present invention, the water squeezing device also includes an extrusion shaft rotatably connected to the water squeezing outlet, the axis of the extrusion shaft is arranged along the first direction, and the extrusion shaft is arranged on the first side and / or the second side of the wiper strip; the third side and the fourth side in the water squeezing outlet are respectively provided with vertically arranged second sliding grooves, and connecting shafts are respectively provided at both ends of the extrusion shaft, and the connecting shafts are slidably connected to the second sliding grooves.

[0013] As a preferred solution of the present invention, a scraping edge is provided on the second side of the water squeezing frame, and a rack arranged along the first direction is provided on the scraping edge, and the tooth tip of the rack is arranged toward the cleaning surface of the mop head passing through the water squeezing outlet.

[0014] As a preferred solution of the present invention, a plurality of rollers are provided on the top side of the water squeezing outlet, and the axes of the rollers are arranged along the first direction.

[0015] Compared with the prior art, the present invention has the following positive effects:

[0016] The utility model provides a flat mop, comprising a water squeezing device, a mop rod and a mop head. The mop head and the mop rod are rotatably connected to one end of the mop rod. The water squeezing device comprises a water squeezing frame and a scraper strip. A water squeezing port for the mop head to pass through is provided on the water squeezing frame. An inclined surface is provided on a side of the water squeezing port corresponding to the cleaning surface of the mop head. The scraper strip is arranged in the water squeezing port along a first direction and is slidably arranged on the inclined surface. When the mop head is pulled in a second direction in the water squeezing port, the scraper strip moves along the inclined surface to adjust the distance between the top end of the scraper strip and the top side of the water squeezing port. The water squeezing device is slidably connected to the mop rod. The mop head can be extended into the water squeezing port and move relative to the water squeezing frame to squeeze water. When squeezing water with the flat mop of the utility model, the mop head is rotated to align the mop head with the squeezing outlet, and the connecting frame is pulled so that the mop head moves back and forth in the squeezing outlet. The scraping strip contacts the cleaning surface of the mop head, and has the effect of squeezing and scraping water on the cleaning surface of the mop head, thereby achieving a good water removal effect. The scraping strip can move along the inclined surface, and the scraping strip will be displaced to different degrees according to the thickness of the mop head. Therefore, the mop head can be adapted to mop heads of different thicknesses, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a structural diagram of the flat mop of the present utility model;

[0019] Figure 2 It is a structural schematic diagram of the lower side of the water squeezing device in the utility model;

[0020] Figure 3 This is a schematic structural diagram of the upper side of the water squeezing device in the present invention;

[0021] Figure 4This is a schematic diagram of the internal structure of the water squeezing rack in the present invention;

[0022] Figure 5 It is a right side view of the water squeezing device in the present utility model;

[0023] Figure 6 for Figure 5 Cross-sectional view of middle AA;

[0024] Figure 7 This is the first perspective of the exploded view of the mop head in the present invention;

[0025] Figure 8 This is the second perspective of the exploded view of the mop head in the present invention;

[0026] Figure 9 This is a structural diagram of the present invention when the clamping plate is installed on the lower side of the upper cover;

[0027] Figure 10 It is a top view of the mop head in the utility model;

[0028] Figure 11 for Figure 10 Cross-section of the BB.

[0029] In the figure: 1. mop rod; 2. mop head; 21. upper cover; 211. limiting groove; 212. sliding hole; 22. snap plate; 221. hook; 222. sliding surface; 223. snap hole; 224. limiting hole; 225. limiting column; 226. toggle block; 23. base plate; 231. through hole; 24. adhesive plate; 241. buckle; 25. elastic member; 3. water squeezing device; 31. squeezing Water rack; 311, first water leakage hole; 3111, first side; 3112, second side; 3113, third side; 3114, fourth side; 312, second water leakage hole; 313, water squeezing outlet; 314, scraping edge; 315, connecting hole; 316, first sliding groove; 317, second sliding groove; 318, inclined surface; 32, connecting rack; 33, wiper strip; 34, extrusion shaft; 35, roller. DETAILED DESCRIPTION

[0030] In the description of the present invention, it should be noted that, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "front," "back," "left," "right," "top," "bottom," "inner," "outer," "front end," "back end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction, and therefore should not be construed as limiting the present invention. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model depending on the specific circumstances.

[0032] The specific implementation of the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] In the following embodiment, a first direction x and a second direction y are introduced, which are perpendicular to each other. The first direction x is parallel to the length direction of the wiper strip 33 , and the second direction y is parallel to the moving direction of the mop head 2 in the water squeezing outlet 313 .

[0034] This embodiment provides a flat mop, such as Figures 1-11 As shown, the mop comprises a water squeezing device 3, a mop rod 1 and a mop head 2. The mop head 2 is rotatably connected to one end of the mop rod 1, and the mop head 2 is hinged to the mop rod 1.

[0035] The water squeezing device 3 includes a squeezing frame 31 and a wiper bar 33. The squeezing frame 31 is provided with a squeezing port 313 through which the mop head 2 passes. A sloped surface 318 is provided within the squeezing port 313 on a side corresponding to the cleaning surface of the mop head 2. The wiper bar 33 is disposed within the squeezing port 313 along a first direction x and slidably disposed on the sloped surface 318. When the mop head 2 is pulled in a second direction y within the squeezing port 313, the wiper bar 33 moves along the sloped surface 318 to adjust the distance between the tip of the wiper bar 33 and the top side of the squeezing port 313. The tip of the wiper bar 33 contacts the cleaning surface of the mop head 2 as it moves within the squeezing port 313, thereby squeezing and scraping the cleaning surface of the mop head 2.

[0036] The water squeezing device 3 is slidably connected to the mop rod 1. The mop head 2 can be inserted into the water squeezing port 313 and move relative to the water squeezing frame 31 to squeeze water. Specifically, the water squeezing device 3 also includes a connecting frame 32, which is connected to the first side 3111 of the water squeezing frame 31 and is slidably connected to the mop rod 1. The water squeezing frame 31 is also provided with a connecting hole 315 that communicates with the water squeezing port 313. The connecting hole 315 is used to accommodate the mop rod 1 and allows the mop rod 1 to drive the mop head 2 to move back and forth relative to the water squeezing device 3.

[0037] When squeezing water with the flat mop of this embodiment, the mop head 2 is rotated to align the mop head 2 with the squeezing opening 313, and the connecting frame 32 is pulled, causing the mop head 2 to reciprocate within the squeezing opening 313. The wiper bar 33 contacts the cleaning surface of the mop head 2, squeezing and scraping the water on the cleaning surface of the mop head 2, thereby achieving good water removal. The wiper bar 33 can move along the inclined surface 318, and the wiper bar 33 will move to different degrees depending on the thickness of the mop head 2. Therefore, it can adapt to mop heads of different thicknesses and has a wide range of applications.

[0038] As a preferred embodiment, as 4 and Figure 6 As shown, the water squeeze frame 31 has corresponding first and second sides 3111 and 3112 in the second direction y. The inclined surface 318 is arranged downwardly from the first side 3111 to the second side 3112. The top of the wiper strip 33 has a tip portion inclined toward the second side 3112. The wiper strip 33 includes a triangular strip and a rectangular strip. The longitudinal cross-sections of the triangular strip and the rectangular strip in the second direction are respectively right-angled triangles and rectangles. One right-angled side of the triangular strip rests on the inclined surface 318, and the other right-angled side faces the second side 3112 and is connected to the rectangular strip. The height of the rectangular strip is less than the height of the right-angled side of the triangular strip. The tip portion is a 45° angle at the top of the triangular strip.

[0039] like Figure 4 As shown, when the mop head 2 moves toward the second side at the water squeezing outlet 313, the wiper strip 33 is pushed to move on the inclined surface 318 according to the different thicknesses of the mop head 2, so as to adjust the distance between the top end of the wiper strip 33 and the top side of the water squeezing outlet 313; when the mop head 2 moves toward the first side at the water squeezing outlet 313, the barb at the tip of the wiper strip 33 drives the wiper strip 33 to move on the inclined surface toward the first side, so that the distance between the top end of the wiper strip 33 and the top side of the water squeezing outlet 313 is reduced, thereby automatically squeezing the cleaning surface of the mop head 2, and achieving a good squeezing effect.

[0040] As a preferred embodiment, Figure 5 As shown, the water squeezing rack 31 has a corresponding third side 3113 and a fourth side 3114 in the first direction x. Figure 6 and Figure 4As shown, first sliding grooves 316 are respectively provided on the third side 3113 and the fourth side 3114 in the water squeezing outlet 313. The first sliding grooves 316 are provided on the upper side of the inclined surface 318 and are inclined along the inclined direction of the inclined surface 318. Sliding blocks are respectively provided at both ends of the wiper strip 33. The sliding blocks are slidably connected to the first sliding grooves 316 to enable the wiper strip 33 to slide along the inclined surface and ensure the stability of the sliding connection.

[0041] It should be noted that the wiper strip 33 can be connected by sliding on the inclined surface, and other connection methods can also be used. For example, a sliding block can be set on the bottom surface of the wiper strip 33, and a corresponding sliding hole can be set on the inclined surface, and the sliding block can be slidably set in the sliding hole.

[0042] As a preferred embodiment, the water squeezing device 3 further includes an extrusion shaft 34 rotatably connected to the water squeezing port 313. The axis of the extrusion shaft 34 is arranged along the first direction x, and the extrusion shaft 34 is arranged on the first side 3111 and / or the second side 3112 of the wiper strip 33. One or two extrusion shafts 34 can be provided. When one extrusion shaft 34 is provided, the extrusion shaft 34 can be provided on the first side 3111 or the second side 3112 of the wiper strip 33. When two extrusion shafts 34 are provided, the two extrusion shafts 34 are respectively provided on the first side 3111 and the second side 3112 of the wiper strip 33.

[0043] A second vertical sliding groove 317 is provided on the third side 3113 and the fourth side 3114 of the water squeezing port 313. A connecting shaft is provided at each end of the squeezing shaft 34, which slides into the second sliding groove 317. The squeezing shaft 34 is vertically movable to accommodate mop heads 2 of varying thicknesses. As the mop head 2 moves within the water squeezing port 313, the squeezing shaft 34 rolls and squeezes against the cleaning surface of the mop head 2.

[0044] The squeezing shaft 34 and the wiper strip 33 in this embodiment can squeeze the cleaning surface of the mop head 2 at the same time, further enhancing the squeezing effect on the cleaning surface of the mop head 2, while reducing friction, so that the mop head 2 can move smoothly in the squeezing port 313.

[0045] like Figure 2 As shown, a first leakage hole 311 and a second leakage hole 312 are provided on the bottom surface of the water squeezing frame 31. The first leakage hole 311 is provided along the first direction x and is located between the extrusion shaft 34 and the wiper strip 33. The second leakage hole 312 is provided along the inclined direction of the inclined surface to facilitate the timely discharge of the squeezed sewage.

[0046] As a preferred embodiment, a scraping edge 314 is provided on the second side 3112 of the water squeezing frame 31. The scraping edge 314 is provided with a rack arranged along a first direction, with the tooth tips of the rack facing the cleaning surface of the mop head 2 passing through the water squeezing port 313. The scraping edge 314 can scrape off residue on the cleaning surface of the mop head 2, achieving a better cleaning effect.

[0047] As a preferred embodiment, a plurality of rollers 35 are disposed on the top side of the water squeezing port 313, with the axes of the rollers 35 arranged along the first direction. As the mop head 2 moves within the water squeezing port 313, the rollers 35 roll on the top surface of the mop head 2, making the mop head 2 move more smoothly relative to the water squeezing frame 31.

[0048] When the flat mop of this embodiment is in use, when squeezing water is needed, the mop head 2 is flipped to a position parallel to the mop rod. At this time, the mop rod is stuck in the sliding groove of the connecting frame 32, and the mop head 2 and the mop rod 1 are located on the same plane; then the mop rod 1 is pulled upward to drive the mop head 2 to move back and forth relative to each other in the squeezing frame 31. During the movement, the scraping strip 33, the scraping edge 314 and the squeezing shaft 34 squeeze the water from the mop cloth on the mop head 2, squeeze out excess water on the mop cloth, and complete the squeezing operation; when mopping the floor, the mop head 2 is flipped again to a position perpendicular to the mop rod 1. During the mopping process, the mop rod 1 can be controlled to press down or pull up as needed to adjust the angle between the mop head 2 and the mop rod 1.

[0049] As a preferred embodiment, Figure 7-11 As shown, the mop head 2 includes a cloth sticking plate 24, a base plate 23, a clamping plate 22 and an upper cover 21. The clamping plate 22 is arranged between the base plate 23 and the upper cover 21. The upper cover 21 and the base plate 23 are connected by a plurality of connecting posts.

[0050] The cloth-adhesive plate 24 is provided with a plurality of latches 241. The base plate 23 is provided with through-holes 231 that engage with the latches 241. The snap-on plate 22 is provided with hooks 221 that correspond one-to-one with and engage with the latches 241. Movement of the snap-on plate 22 relative to the upper cover 21 and the base plate 23 disengages the hooks 221 from the latches 241. When the latches 241 engage with the hooks 221, the cloth-adhesive plate 24 is mounted on the mop head 2. Relative movement of the snap-on plate 22 disengages the latches 241 from the hooks 221, allowing the cloth-adhesive plate 24 to be removed from the mop head 2, thereby facilitating replacement of the cloth-adhesive plate 24.

[0051] As a preferred embodiment, a snap-in hole 223 is provided on one side of each hook 221 on the snap-in plate 22, and a sliding surface 222 is provided on the bottom side of the hook 221, which is inclined toward one side of the snap-in hole 223. The top end of the buckle 241 can slide into the snap-in hole 223 through the sliding surface 222 and snap into engagement with the hook 221.

[0052] When installing the cloth sticking plate 24, the buckle 241 is inserted into the through hole 231 accordingly. The buckle 241 pushes the sliding surface 222, driving the clamping plate 22 to move, so that the buckle 241 slides into the clamping hole 223 and is clamped with the hook 221, thereby realizing the installation of the cloth sticking plate 24. There is no need to manually move the clamping plate 22, and the installation is convenient and quick.

[0053] As a preferred embodiment, a plurality of limiting holes 224 are provided on the clamping plate 22 , and the limiting holes 224 and the clamping holes 223 are staggered.

[0054] A plurality of limiting posts 225 are disposed in the limiting holes 224, with the axes of the limiting posts 225 arranged horizontally. A limiting slot 211 is disposed on the lower side of the upper cover 21, corresponding to each limiting hole 224. Each limiting slot 211 is provided with an elastic member 25, which fits over the limiting posts 225 and abuts against the limiting slot 211. The elastic member 25 is a spring. The elastic member 25 automatically resets the clamping plate 22 after movement and automatically engages the hook 221 of the cloth-adhesive plate 24 after the buckle 241 slides into the engaging hole 223. This ensures the secure engagement of the buckle 241 with the hook 221, ensuring a secure connection between the cloth-adhesive plate 24.

[0055] As a preferred embodiment, a sliding hole 212 is provided on the upper cover 21, and a toggle block 226 is provided on the upper side of the clamping plate 22, and the toggle block 226 is arranged to pass through the sliding hole 212. To facilitate the movement of the toggle block 226, the toggle block 226 can be swung in the sliding hole 212 to disengage the hook 221 from the buckle 241, and the adhesive plate 24 is automatically removed from the mop head 2 under the action of gravity, which is convenient for operation and avoids touching the adhesive plate 24 with hands during the removal process, which is more hygienic.

[0056] The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field can make several modifications and improvements without departing from the creative concept of the present invention, which should be included in the scope of protection of the present invention.

Claims

1. A flat mop, characterized in that: The invention comprises a water squeezing device (3), a mop rod (1) and a mop head (2), wherein the mop head (2) and the mop rod (1) are rotatably connected to one end of the mop rod (1), the water squeezing device (3) comprises a water squeezing frame (31) and a water scraping strip (33), the water squeezing frame (31) is provided with a water squeezing port (313) for the mop head (2) to pass through, the water squeezing port (313) is provided with an inclined surface (318) on one side corresponding to the cleaning surface of the mop head (2), and the water scraping strip (33) is provided along a first direction on the mop rod (1). The mop head (2) is slidably arranged in the water squeezing port (313) and on the inclined surface (318); when the mop head (2) is pulled in the second direction in the water squeezing port (313), the wiper strip (33) moves along the inclined surface (318) to adjust the distance between the top end of the wiper strip (33) and the top side of the water squeezing port (313); the water squeezing device (3) is slidably connected to the mop rod (1); the mop head (2) can be extended into the water squeezing port (313) and move relative to the water squeezing frame (31) to achieve water squeezing.

2. A flat mop according to claim 1, characterized in that: The water squeezing frame (31) has a corresponding first side (3111) and a second side (3112) in the second direction, the inclined surface (318) is arranged to be inclined from the first side (3111) to the second side (3112) from top to bottom, and the top end of the wiper strip (33) has a tip portion inclined toward the second side (3112).

3. A flat mop according to claim 1, characterized in that: The mop head (2) comprises a cloth sticking plate (24), a base plate (23), a snap-on plate (22) and an upper cover (21); the snap-on plate (22) is arranged between the base plate (23) and the upper cover (21); a plurality of snaps (241) are arranged on the cloth sticking plate (24); through holes (231) for plugging and matching with the snaps (241) are arranged on the base plate (23); hooks (221) corresponding to and snap-fitting with the snaps (241) are arranged on the snap-on plate (22); the snap-on plate (22) can drive the snaps (221) to disengage from the snaps (241) when the snap-on plate (22) moves relative to the upper cover (21) and the base plate (23).

4. A flat mop according to claim 3, characterized in that: A snap-in hole (223) is provided on the snap-in plate (22) corresponding to one side of each of the snap-in hooks (221); a sliding surface (222) is provided on the bottom side of the snap-in hook (221) and is inclined toward one side of the snap-in hole (223); and the top end of the snap buckle (241) can slide into the snap-in hole (223) through the sliding surface (222) and snap-in with the snap-in hook (221).

5. The flat mop according to claim 3, characterized in that: A plurality of limiting holes (224) are provided on the clamping plate (22), a plurality of limiting columns (225) are provided in the limiting holes (224), the axes of the limiting columns (225) are arranged horizontally, a limiting groove (211) is provided on the lower side of the upper cover (21) corresponding to each of the limiting holes (224), an elastic member (25) is provided in each of the limiting grooves (211), and the elastic member (25) is sleeved on the limiting column (225) and abuts against the limiting groove (211).

6. The flat mop according to claim 3, characterized in that: A sliding hole (212) is provided on the upper cover (21), and a toggle block (226) is provided on the upper side of the clamping plate (22), and the toggle block (226) is provided through the sliding hole (212).

7. The flat mop according to claim 2, characterized in that: The water squeezing frame (31) has a corresponding third side (3113) and a fourth side (3114) in the first direction. The third side (3113) and the fourth side (3114) in the water squeezing port (313) are respectively provided with a first sliding groove (316). The first sliding groove (316) is provided on the upper side of the inclined surface (318) and is inclined along the inclined direction of the inclined surface (318). The two ends of the wiper strip (33) are respectively provided with sliding blocks, and the sliding blocks are slidably connected to the first sliding groove (316).

8. The flat mop according to claim 7, characterized in that: The water squeezing device (3) further comprises an extrusion shaft (34) rotatably connected to the water squeezing port (313), the axis of the extrusion shaft (34) being arranged along a first direction, and the extrusion shaft (34) being arranged on the first side (3111) and / or the second side (3112) of the wiper strip (33); the third side (3113) and the fourth side (3114) in the water squeezing port (313) are respectively provided with vertically arranged second sliding grooves (317), and connecting shafts are respectively provided at both ends of the extrusion shaft (34), and the connecting shafts are slidably connected to the second sliding grooves (317).

9. The flat mop according to claim 1, characterized in that: A scraping edge (314) is provided on the second side (3112) of the water squeezing frame (31), and a rack arranged along a first direction is provided on the scraping edge (314), with the tooth tip of the rack facing the cleaning surface of the mop head (2) passing through the water squeezing port (313).

10. The flat mop according to claim 1, characterized in that: A plurality of rollers (35) are arranged on the top side of the water squeezing outlet (313), and the axes of the rollers (35) are arranged along a first direction.

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