Mop bucket and cleaning implement

Abstract

A mop bucket, comprising a bucket body and a squeezing device fixed at the opening of the bucket body, the squeezing device comprising a squeezing frame, the squeezing frame being provided with a socket for passing a rubber mop, the socket being provided with a support part corresponding to the back of the rubber seat of the rubber mop and a squeezer for squeezing the rubber head of the rubber mop on both sides of the socket, the support part and / or the squeezer being connected with a clamping device, the clamping device and the support part and / or the squeezer being movably connected with the squeezing frame or the bucket body, the support part and / or the squeezer being movable from a cleaning position with the width of the socket being greater than the thickness of the rubber head and the rubber seat to a squeezing position with the socket being narrowed, the rubber head being squeezed once during the cleaning and squeezing, the rubber head having a long service life.

Description

Technical Field

[0001] This invention relates to the field of cleaning tools, and in particular to a cleaning and wringing bucket for a PVC-U mop. Background Technology

[0002] In daily life, sponge mops are widely used for cleaning floors due to their excellent water absorption and ability to remove hair and dust. Currently, mop buckets are used to clean or wring water by squeezing, and there are three main methods: One method of squeezing water from a plywood mop bucket is disclosed in Chinese Invention Patent Publication No. CN107684404A, which describes a foot-operated plywood mop wringer bucket and a plywood mop. This method uses a stepping motion to squeeze out the water from the plywood surface. This method requires the operator to use both hands and feet, and requires a pedal to work together. That is, the plywood mop must be positioned in the bucket while the foot is used to step on and squeeze the plywood. The operation and structure are complicated, and there is also the possibility of leakage.

[0003] One method for squeezing water from a foam mop bucket is described in Chinese Invention Publication No. CN209611043U, which discloses a cleaning tool for foam mops. This tool has only one cleaning area within the bucket that serves both washing and squeezing functions. However, this structure causes pressure on the foam mop when the foam enters and exits the bucket. This method is not only laborious, but the foam head is also prone to damage from repeated squeezing.

[0004] One method for squeezing water from a foam mop bucket is described in Chinese Invention Publication No. CN107752936A, which discloses a foam mop with a foam head that can squeeze water in one direction. Although this method reduces the number of times the foam head is squeezed, the foam head still experiences unidirectional squeezing when entering and exiting the mop bucket, making it difficult to operate smoothly when washing the foam. Furthermore, this method is not only laborious, but the foam head is also prone to damage from repeated squeezing. Summary of the Invention

[0005] In order to overcome the above-mentioned shortcomings of existing squeezing and cleaning buckets for PVC foam mops, the present invention provides a PVC foam mop squeezing and cleaning bucket that is simple in structure, easy to use, and has a long service life of the PVC foam head.

[0006] To achieve the above advantages, the present invention provides a mop bucket, which includes a bucket body and a squeezing device fixed at the opening of the bucket body. The squeezing device includes a squeezing frame with an insertion port for a sponge mop to pass through. Support portions corresponding to the back of the sponge seat of the sponge mop and squeezers for squeezing the sponge head of the sponge mop are provided on both sides of the insertion port. A locking device is connected to the support portion and / or the squeezer, which is movably connected to the squeezing frame or the bucket body. The support portion and / or the squeezer can move from a cleaning position where the width of the insertion port is greater than the thickness of the sponge head and the sponge seat to a squeezing position where the insertion port narrows.

[0007] The locking device has a locking protrusion for engaging with the locking engagement part of the PVC mop. When the lower end of the PVC seat contacts the bottom of the bucket, the locking protrusion is located above the locking engagement part. The locking engagement part can squeeze the lower surface of the locking protrusion to drive the support part and / or the squeezer to move to the squeezing position.

[0008] Furthermore, the locking engagement part can squeeze the lower surface of the locking protrusion to drive the support part and / or the extruder to the extrusion position, and then continue to squeeze the locking protrusion to separate the locking protrusion from the locking engagement part.

[0009] Furthermore, the support and / or the extruder and / or the locking device are slidably or rotatably connected to the extrusion frame.

[0010] Furthermore, the compression frame is provided with a slide rail that slides in cooperation with the locking device, and the slide rail extends downward toward the center of the insertion port.

[0011] Furthermore, the locking device slides in conjunction with the slide rail, and the upper end of the slide rail that slides in conjunction with the locking device extends away from the center of the socket with a release section. When the locking device moves to the uppermost position, the locking protrusion separates from the end face of the locking engagement part.

[0012] Furthermore, the positioning device and the support part are integrally injection molded.

[0013] Furthermore, the extrusion frame or the barrel body is provided with a limiting part for restricting the range of motion of the support and / or the extruder and / or the locking device.

[0014] Furthermore, a swing arm is provided between the extruder and the extrusion frame or the barrel, and the swing arm is rotatably connected to the extruder, the extrusion frame or the barrel respectively.

[0015] Furthermore, the mop bucket is also provided with a reset part for keeping the support and / or the squeezer in the cleaning position.

[0016] Furthermore, the reset part is a torsion spring or a spring.

[0017] Furthermore, the positioning device is connected to a linkage seat, which drives the support and the extruder to move from the cleaning position to the extrusion position via the linkage seat.

[0018] Furthermore, the linkage seat and the support or extruder are integrally injection molded.

[0019] Furthermore, the extrusion frame or the barrel is slidably connected to the linkage seat, and the extrusion frame or the barrel is provided with a limiting part for restricting the range of motion of the linkage seat.

[0020] Furthermore, the support and / or the extruder are slidably connected to the extrusion frame, and the extrusion frame is provided with a slide rail that cooperates with the movement trajectory of the support and / or the extruder.

[0021] Furthermore, the support and / or the extruder are provided with drive pins on both sides, which extend into the slide rail.

[0022] Furthermore, the transmission pin is rotatably connected to the support and / or the extruder.

[0023] Furthermore, the transmission pin is rotatably connected to a roller.

[0024] Furthermore, the roller is provided with an opening that matches the drive pin, and the drive pin is inserted into the opening.

[0025] Furthermore, the extrusion frame is integrally injection molded with the barrel body, or the extrusion frame, support, and barrel body are integrally formed.

[0026] Furthermore, the extruder is a rotatable squeezing roller, extrusion plate, or extrusion strip.

[0027] Furthermore, the barrel or extrusion frame is equipped with a cleaning device for cleaning the cotton head.

[0028] Furthermore, the cleaning device includes a brush, a roller, and a scraper.

[0029] Furthermore, the cleaning device has a U-shaped structure.

[0030] Furthermore, the width of the PVC foam head is greater than the width of the PVC foam seat.

[0031] Furthermore, the barrel is equipped with a drain valve.

[0032] Furthermore, the support portion is provided with guide wheels.

[0033] Furthermore, the extrusion frame is detachably connected and fixed to the barrel body.

[0034] Furthermore, the barrel body is provided with a locking part, and the extrusion frame is provided with a mating part, and the extrusion frame is locked and connected to the barrel body.

[0035] Furthermore, a decorative cover is installed on the extrusion frame.

[0036] Furthermore, the decorative cover is provided with drainage holes.

[0037] Furthermore, the extrusion frame includes an upper plate, a left bracket and a right bracket inserted into the upper plate, and the lower ends of the left bracket and the right bracket are connected and fixed by support columns.

[0038] Furthermore, the extruder is slidably connected to the barrel body via an extrusion seat.

[0039] Furthermore, the squeezer consists of at least two sets of squeezing rollers.

[0040] Furthermore, a cushioning device is provided on the bottom surface of the mop bucket.

[0041] Furthermore, the buffer device comprises a raised boss, a rubber pad, and a spring.

[0042] Furthermore, the locking and engaging part is the upper end surface of the sponge seat of the sponge mop or a protruding or recessed structure provided on the outer periphery of the mop handle of the sponge mop.

[0043] A cleaning tool, comprising a PVC mop and the aforementioned mop bucket.

[0044] Advantages: This invention requires only hand movements, without the need for foot movements, making it simple and convenient to operate. During the upward movement of the cotton head, the cotton head can be squeezed in one go with good squeezing effect, eliminating the need for multiple squeezing, saving time and effort, reducing the probability of damage to the cotton head, extending its service life, and resulting in good performance. Attached Figure Description

[0045] Figure 1 The diagram shown is a schematic of a mop bucket and cleaning tool according to the present invention. Figure 2 The image shown is a front view of the mop bucket in the mop bucket and cleaning tool of the present invention. Figure 3 The image shown is a schematic diagram of the bottom surface of the mop bucket in the mop bucket and cleaning tool of the present invention. Figure 4 The diagram shown is a schematic diagram of the first embodiment of the present invention; Figure 5 As shownFigure 4 Internal structure diagram; Figure 6 As shown Figure 5 An explosion diagram; Figure 7 The diagram shown is a schematic diagram of a second embodiment of the present invention; Figure 8 As shown Figure 7 Internal structure diagram; Figure 9 The diagram shown is a schematic diagram of the third embodiment of the present invention; Figure 10 As shown Figure 9 Internal structure diagram; Figure 11 The diagram shown is a schematic diagram of the upper plate of a mop bucket and cleaning tool according to the present invention. Figure 12 The diagram shown is a schematic diagram of the bucket body in a mop bucket and cleaning tool according to the present invention. Detailed Implementation

[0046] To further illustrate the technical means and effects adopted by the present invention to achieve the intended purpose, the following detailed description of the specific implementation methods, structures, features and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0047] Reference Appendix Figures 1-12 A mop bucket includes a bucket body 1 and a squeezing device fixed at the opening of the bucket body 1. The squeezing device includes a squeezing frame 2, which has an insertion port 201 for a sponge mop 10 to pass through. The two sides of the insertion port 201 are provided with support parts 3 corresponding to the back of the sponge seat 12 of the sponge mop 10 and squeezers 4 for squeezing the sponge head 13 of the sponge mop 10. The support parts 3 and / or squeezers 4 are connected to a locking device 5. The locking device 5 and / or support parts 3 and / or squeezers 4 are movably connected to the squeezing frame 2 or the bucket body 1. The support parts 3 and / or squeezers 4 can move from a cleaning position where the width of the insertion port 201 is greater than the thickness of the sponge head 13 and the sponge seat 12 to a squeezing position where the insertion port 201 narrows.

[0048] The locking device 5 has a locking protrusion 501 for engaging with the sponge seat 12 of the sponge mop 10. When the lower end of the sponge seat 12 contacts the bottom of the bucket 1, the locking protrusion 501 is located above the sponge seat 12. The sponge seat 12 can squeeze the lower surface of the locking protrusion 501 to drive the support part 3 and / or the squeezer 4 to move to the squeezing position.

[0049] After the PVC seat 12 can squeeze the lower surface of the locking protrusion 501, the drive support 3 and / or the squeezer 4 can be moved to the squeezing position and continue to squeeze the locking protrusion 501 to separate the locking protrusion 501 from the PVC seat 12.

[0050] The support part 3 and / or the extruder 4 and / or the locking device 5 are slidably or rotatably connected to the extrusion frame 2, so that the support part 3 and the locking device 5 or the extruder 4 can slide or rotate relative to the pressure frame 2.

[0051] The extrusion frame 2 is provided with a slide rail 202 that slides in conjunction with the locking device 5. The slide rail 202 extends downward toward the center of the insertion port 201.

[0052] The locking device 5 slides in conjunction with the slide rail 202. The upper end of the slide rail 202, which slides in conjunction with the locking device 5, extends away from the center of the insertion port 201 and has a release section 203. When the locking device 5 moves to the uppermost position, the locking protrusion 501 separates from the end face of the cotton seat 12. When the cotton seat 12 drives the locking device 5 to move from bottom to top along the slide rail 202, the cotton seat 12 gradually approaches the center position of the extrusion frame 2 in the horizontal direction, which facilitates the extruder 4 to extrude water from the cotton head 13.

[0053] In this embodiment, the upper surface of the cotton pad is a locking and fitting part; in other embodiments, the locking and fitting part is a protrusion or recess structure provided on the outer periphery of the mop handle.

[0054] The positioning device 5 and the support part 3 are integrally injection molded.

[0055] The extrusion frame 2 or the barrel 1 is provided with a limiting part for restricting the range of motion of the support part 3 and / or the extruder 4 and / or the locking device 5, thereby restricting the movement of the support part 3, the extruder 4 and the locking device 5.

[0056] The extruder 4 is connected to the extrusion frame 2 or the barrel 1 by a swing arm 6. The swing arm 6 is rotatably connected to the extruder 4, the extrusion frame 2 or the barrel 1 respectively. The extruder 4 is rotatably connected to the extrusion frame 2 or the barrel 1 by the swing arm 6, which makes it easy for the extruder 4 to swing up and down. When the extruder 4 swings from bottom to top, the extruder 4 gradually moves closer to the center position of the extrusion frame 2 in the horizontal direction, which makes it easier to squeeze the cotton head 13 and remove water.

[0057] The mop bucket is also provided with a reset part for keeping the support 3 and / or the squeezer 4 in the cleaning position.

[0058] The reset part is a torsion spring or a spring.

[0059] The positioning device 5 is connected to the linkage seat 7. The positioning device 5 drives the support part 3 and the extruder 4 to move from the cleaning position to the extrusion position through the linkage seat 7.

[0060] The linkage seat 7 and the support part 3 or the extruder 4 are integrally injection molded.

[0061] The extrusion frame 2 or the barrel 1 is slidably connected to the linkage seat 7, and the extrusion frame 2 or the barrel 1 is provided with a limiting part for limiting the range of motion of the linkage seat 7. The linkage seat 7 can move relative to the barrel 1 or the extrusion frame 2, and the movement is within a certain range.

[0062] The support part 3 and / or the extruder 4 are slidably connected to the extrusion frame 2, and the extrusion frame 2 is provided with a slide rail 202 that matches the movement trajectory of the support part 3 and / or the extruder 4.

[0063] The support part 3 and / or the extruder 4 are provided with drive pins on both sides, which extend into the slide rail 202.

[0064] The drive pin is rotatably connected to the support part 3 and / or the extruder 4.

[0065] The drive pin is rotatably connected to roller 401.

[0066] The roller 401 is provided with an opening that matches the drive pin. The drive pin is inserted into the opening. The support part 3 or the extruder 4 is rotatably connected to the roller 401 and the slide rail 202.

[0067] The extrusion frame 2 and the barrel body 1 are integrally injection molded, or the extrusion frame 2, the support part 3, and the barrel body 1 are integrally set.

[0068] The extruder 4 is a rotatable squeezing roller, extrusion plate, or extrusion strip. The squeezing roller, extrusion plate, or extrusion strip can be rotatably connected to the extruder frame via a rotating shaft or the like.

[0069] The barrel 1 or the squeezing frame 2 is equipped with a cleaning device 8 for cleaning the cotton head 13. In order to ensure the installation of the cleaning device, a fixing structure for fixing the cleaning device 8 can be set on the left bracket 204 and the right bracket 205. The cleaning device 8 can be fixedly connected to the left bracket 204 and the right bracket 205 and the fixing structure by bolts, or the fixing structure can be set as a slot frame, and the two ends of the cleaning device can be inserted into the slot frame respectively to achieve a detachable connection.

[0070] The cleaning device 8 includes a brush, a roller, and a scraper.

[0071] The cleaning device 8 has a U-shaped structure, which facilitates the friction cleaning of the cotton wick head 13.

[0072] The width of the PVC head 13 is greater than the width of the PVC seat 12.

[0073] The barrel 1 is equipped with a drain valve 101 to facilitate the drainage of water from inside the barrel 1.

[0074] The support part 3 is equipped with a guide wheel 301.

[0075] The extrusion frame 2 is detachably connected and fixed to the barrel body 1.

[0076] The barrel body 1 is provided with a locking part, and the extrusion frame 2 is provided with a mating part. The extrusion frame 2 is locked and connected to the barrel body 1. The locking part can be a notch, and the mating part can be a lug. There are two notches, which are respectively opened at the middle positions of the two symmetrical ends of the upper part of the barrel body 1. There are also two lugs, which are respectively symmetrically fixed at both ends of the extrusion frame 2. The extrusion frame 2 is placed on the upper end of the barrel body 1, and the two lugs are respectively inserted into the two notches to realize the locking and installation of the barrel body 1 and the extrusion frame 2.

[0077] A decorative cover 9 is installed on the extrusion frame 2. The decorative cover 9 serves as a device and improves the overall aesthetics of the device.

[0078] The decorative cover 9 is provided with a drain hole 901. When water is placed on the upper end of the decorative cover, the water can enter the interior of the cylinder 1 through the decorative cover 9.

[0079] The extrusion frame 2 includes an upper plate 207, a left bracket 204 and a right bracket 205 inserted into the upper plate 207. The lower ends of the left bracket 204 and the right bracket 205 are connected and fixed by a support column 206. The extrusion frame 2 is connected by multiple components, which facilitates the installation of the extrusion frame 2 and the installation of parts such as the support part 3 and the extruder 4 located inside the extrusion frame 2.

[0080] The extruder 4 is slidably connected to the barrel 1 via the extrusion seat, which serves as a fixing component for the extruder 4, facilitating the installation and fixing of the extruder 4.

[0081] The squeezer 4 consists of at least two sets of squeezing rollers.

[0082] A cushioning device is provided on the bottom surface of the mop bucket 1.

[0083] The buffer device consists of a raised boss, a rubber pad, and a spring, which achieves the buffering function.

[0084] A cleaning tool includes a PVC mop 10 and a mop bucket. The PVC mop 10 includes a mop handle 11 and a PVC seat 12 movably linked to the mop handle 11. The PVC seat 12 is provided with a PVC head 13.

[0085] Example 1: As Figure 5As shown, the locking device 5, the linkage seat 7, and the squeezer 4 are linked together. A moving guide rail for the squeezer 4 to move up and down is provided on the squeezer frame 2 or the barrel 1, and the moving guide rail extends downward in the direction away from the center of the insertion port 201. An appropriate amount of cleaning solution is introduced into the barrel 1, and then the cotton pad 12 and the cotton head 13 are inserted into the barrel 1 through the insertion port 201. The mop handle 11 is moved and rotated, so that the cotton head 13 rubs against the 8, thereby scraping off the dirt on the cotton head 13 through the 8, realizing the function of cleaning the cotton head 13. After the cotton head 13 is cleaned, the mop handle 11 is moved so that the upper end of the cotton pad 12 fits against the lower end of the locking protrusion 501 of the locking device 5, and then the mop handle 11 is lifted upward, through the upward movement of the cotton pad 12. Mop 12 moves the locking protrusion 501, locking device 5, linkage seat 7, and squeezer 4 upwards simultaneously. The locking device 5 moves upwards along the slide rail 202, gradually moving towards the center of the insertion port 201. Similarly, the squeezer 4 moves along the moving guide rail, also gradually moving towards the center of the insertion port 201, so that the distance between the locking device 5 and the squeezer 4 gradually decreases, thereby squeezing the cotton head 13 by the squeezer 4 to achieve the water removal function of the cotton head 13. When the locking device 5 moves from the slide rail 202 to the release section 203, the distance between the locking protrusion 501 and the squeezer 4 increases. Pulling the mop handle 11 upwards can remove the cotton seat 12 and the cotton head 13 from the inside of the bucket 1, realizing the friction cleaning and water squeezing function of the cotton head 13.

[0086] Example 2: As Figure 8As shown, the locking device 5, the linkage seat 7, and the squeezer 4 are linked together. The squeezer 4 is connected to the squeezer frame 2 or the bucket 1 via the swing arm 6. An appropriate amount of cleaning solution is introduced into the bucket 1. Then, the cotton pad 12 and the cotton head 13 are inserted into the bucket 1 through the insertion port 201. The mop handle 11 is moved and rotated, causing the cotton head 13 to rub against the 8, thereby scraping off the dirt on the cotton head 13 through the 8, thus cleaning the cotton head 13. After the cotton head 13 is clean, the mop handle 11 is moved so that the upper end of the cotton pad 12 is in contact with the lower end of the locking protrusion 501 of the locking device 5. Then, the mop handle 11 is pulled upward, and the upward movement of the cotton pad 12 drives the locking protrusion 501 and the locking device 5. The linkage seat 7 and the squeezer 4 move upwards simultaneously, and the locking device 5 moves upwards along the slide rail 202, gradually moving towards the center of the insertion port 201. At the same time, the squeezer 4 moves upwards and towards the center of the insertion port 201 under the action of the swing arm 6, so that the distance between the locking device 5 and the squeezer 4 gradually decreases, thereby squeezing the cotton head 13 by the squeezer 4 to achieve the water removal function of the cotton head 13. When the locking device 5 moves from the slide rail 202 to the release section 203, the distance between the locking protrusion 501 and the squeezer 4 increases. Pulling the mop handle 11 upwards can remove the cotton seat 12 and the cotton head 13 from the inside of the bucket 1, realizing the friction cleaning and water squeezing function of the cotton head 13.

[0087] Example 3: As Figure 10 As shown, the locking device 5 and the linkage seat 7 are linked together. The squeezer 4 is fixedly connected to the bucket body 1 or the squeezer 4. An appropriate amount of cleaning solution is introduced into the bucket body 1. Then, the cotton pad 12 and the cotton head 13 are inserted into the bucket body 1 through the insertion port 201. The mop handle 11 is moved and rotated, so that the cotton head 13 rubs against the 8, thereby scraping off the dirt on the cotton head 13 through the 8, realizing the function of cleaning the cotton head 13. After the cotton head 13 is cleaned, the mop handle 11 is moved so that the upper end of the cotton pad 12 fits against the lower end of the locking protrusion 501 of the locking device 5. Then, the mop handle 11 is pulled upward, and the upward-moving cotton pad 12 rubs against the 8. 2. The locking protrusion 501, the locking device 5, and the linkage seat 7 move upward simultaneously. The locking device 5 moves upward along the slide rail 202 and gradually moves towards the center of the insertion port 201, so that the distance between the locking device 5 and the squeezer 4 gradually decreases, thereby squeezing the cotton head 13 by the squeezer 4 to achieve the water removal function of the cotton head 13. When the locking device 5 moves from the slide rail 202 to the release section 203, the distance between the locking protrusion 501 and the squeezer 4 increases. Pulling the mop handle 11 upward can remove the cotton seat 12 and the cotton head 13 from the inside of the bucket 1, realizing the friction cleaning and water squeezing function of the cotton head 13.

[0088] The above three embodiments realize three extrusion methods. All three extrusion methods only require hand movements and do not require foot movements. They are simple and convenient to operate. During the upward movement of the cotton head 13, the cotton head 13 can be extruded in one go, and the extrusion effect is good. There is no need for multiple extrusions, which saves time and effort, reduces the probability of damage to the cotton head 13, extends its service life, and has a good effect.

[0089] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A mop bucket, comprising a bucket body (1) and a squeezing device fixed at the opening of the bucket body (1), the squeezing device comprising a squeezing frame (2), the squeezing frame (2) having an insertion port (201) for a sponge mop (10) to pass through, the insertion port (201) having a support portion (3) corresponding to the back of the sponge seat (12) of the sponge mop (10) and a squeezer (4) for squeezing the sponge head (13) of the sponge mop (10) on both sides of the insertion port (201), characterized in that, The support part (3) is connected to a locking device (5), which is movably connected to the support part (3) and the extrusion frame (2). The support part (3) can move from the cleaning position where the width of the insertion port (201) is greater than the thickness of the cotton head (13) and the cotton seat (12) to the extrusion position where the insertion port (201) narrows. The locking device (5) has a locking protrusion (501) for engaging with the locking engagement part of the PVC mop (10). When the lower end of the PVC seat (12) contacts the bottom of the bucket (1), the locking protrusion (501) is located above the locking engagement part. The locking engagement part can squeeze the lower surface of the locking protrusion (501) to drive the support part (3) to move to the squeezing position. The compression frame (2) is provided with a slide rail (202) that slides in cooperation with the locking device (5). The slide rail (202) extends downward toward the center of the socket (201). The locking device (5) slides in cooperation with the slide rail (202). The upper end of the slide rail (202) that slides in cooperation with the locking device (5) extends toward the center of the socket (201) with a release section (203). When the locking device (5) moves to the uppermost position, the locking protrusion (501) separates from the end face of the locking cooperation part.

2. The mop bucket according to claim 1, characterized in that, The support (3) and the locking device (5) are slidably or rotatably connected to the extrusion frame (2).

3. The mop bucket according to claim 1, characterized in that, The positioning device (5) and the support part (3) are integrally injection molded.

4. The mop bucket according to claim 1, characterized in that, The extrusion frame (2) is provided with a limiting part for restricting the range of motion of the support (3) and / or the locking device (5).

5. The mop bucket according to claim 4, characterized in that, The extruder (4) and the extrusion frame (2) are connected by a swing arm (6), which is rotatably connected to the extruder (4) and the extrusion frame (2) respectively.

6. The mop bucket according to claim 1, characterized in that, The mop bucket is also provided with a reset part for keeping the support (3) and / or the squeezer (4) in the cleaning position.

7. The mop bucket according to claim 6, characterized in that, The reset part is a torsion spring or a spring.

8. The mop bucket according to claim 1, characterized in that, The positioning device (5) is connected to a linkage seat (7), which drives the support (3) and the extruder (4) to move from the cleaning position to the extrusion position through the linkage seat (7).

9. The mop bucket according to claim 8, characterized in that, The linkage seat (7) and the support part (3) or extruder (4) are integrally injection molded.

10. The mop bucket according to claim 9, characterized in that, The extrusion frame (2) is slidably connected to the linkage seat (7), and the extrusion frame (2) is provided with a limiting part for limiting the range of motion of the linkage seat (7).

11. The mop bucket according to claim 10, characterized in that, The support (3) and the extruder (4) are slidably connected to the extrusion frame (2) via the slide rail (202).

12. The mop bucket according to claim 11, characterized in that, The support (3) and the extruder (4) are provided with transmission pins on both sides, which extend into the slide rail (202).

13. The mop bucket according to claim 12, characterized in that, The transmission pin is rotatably connected to the support (3) and the extruder (4).

14. The mop bucket according to claim 12, characterized in that, The transmission pin is rotatably connected to a roller (401).

15. The mop bucket according to claim 14, characterized in that, The roller (401) is provided with an opening that matches the transmission pin, and the transmission pin is inserted into the opening.

16. The mop bucket according to claim 1, characterized in that, The extrusion frame (2) and the barrel body (1) are integrally injection molded.

17. The mop bucket according to claim 1, characterized in that, The extruder (4) is a rotatable squeezing roller, extrusion plate, or extrusion strip.

18. The mop bucket according to claim 1, characterized in that, The barrel (1) or the extrusion frame (2) is equipped with a cleaning device (8) for cleaning the cotton head (13).

19. The mop bucket according to claim 18, characterized in that, The cleaning device (8) includes a brush, a roller, and a scraper.

20. The mop bucket according to claim 19, characterized in that, The cleaning device (8) has a U-shaped structure.

21. The mop bucket according to claim 1, characterized in that, The width of the PVC head (13) is greater than the width of the PVC seat (12).

22. The mop bucket according to claim 1, characterized in that, The barrel (1) is equipped with a drain valve (101).

23. The mop bucket according to claim 1, characterized in that, The support part (3) is provided with a guide wheel (301).

24. The mop bucket according to claim 1, characterized in that, The extrusion frame (2) is detachably connected and fixed to the barrel body (1).

25. The mop bucket according to claim 24, characterized in that, The barrel body (1) is provided with a locking part, and the extrusion frame (2) is provided with a mating part. The extrusion frame (2) is locked and connected to the barrel body (1).

26. The mop bucket according to claim 1, characterized in that, A decorative cover (9) is installed on the extrusion frame (2).

27. The mop bucket according to claim 26, characterized in that, The decorative cover (9) is provided with a drainage hole (901).

28. The mop bucket according to claim 1, characterized in that, The extrusion frame (2) includes an upper plate (207), a left support (204) inserted into the upper plate (207), and a right support (205). The lower ends of the left support (204) and the right support (205) are connected and fixed by a support column (206).

29. The mop bucket according to claim 1, characterized in that, The extruder (4) is slidably connected to the barrel (1) via the extrusion seat.

30. The cleaning and wringing device for the PVC-coated mop (10) according to claim 1, characterized in that, The squeezer (4) consists of at least two sets of squeezing rollers.

31. The mop bucket according to claim 1, characterized in that, The bottom surface of the barrel (1) is provided with a buffer device.

32. The mop bucket according to claim 31, characterized in that, The buffer device consists of a raised boss, a rubber pad, and a spring.

33. The mop bucket according to claim 1, characterized in that, The locking and fitting part is the upper end surface of the sponge seat of the sponge mop or a protruding or recessed structure provided on the outer periphery of the mop handle of the sponge mop.

34. A cleaning tool, characterized in that, Includes a PVC-coated mop (10) and a mop bucket as described in any one of claims 1-33.

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