A wringing mop with a mop head connected firmly and easily dried

The modularly designed mounting bracket and bolt-welded structure solve the problems of poor dehydration and easy detachment of the sponge components in existing wringer mops, achieving a stable connection and efficient dehydration, and extending service life.

CN116636781BActive Publication Date: 2026-01-06GUANGZHOU GEERJIA PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202310686245.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-12
Publication Date
2026-01-06
Estimated Expiration
2043-06-12

AI Technical Summary

Technical Problem

Existing wringer mops have simple mounting brackets with limited functionality, resulting in poor wringing ability, and the sponge components are prone to detaching from the pull strip, leading to a short service life.

Method used

The modularly designed mounting frame features a ︺-shaped front and rear sides, combined with U-shaped pressure strips and dewatering roller assemblies to enhance the dewatering effect of the rubber cotton. The fixing strength between the rubber cotton clamp and the pull strip is improved by bolt welding, and the dewatering roller is further enhanced by an additional stainless steel sleeve.

Benefits of technology

It achieves a stable connection of the mop head, facilitates wringing, is easy to install, extends service life, and improves wringing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention provides a wringer mop with a securely connected head and easy dehydration, comprising a mounting frame, a sponge assembly, a pull bar, a wringer roller assembly, a mop handle, and a wringer handle. The mop handle is inserted into a mop handle insertion hole on the mounting frame and fixed thereon. The top of the wringer handle is hinged to the mop handle. The sponge assembly is embedded in the bottom of the mounting frame. The bottom of the pull bar is fixed to the top of the sponge assembly with bolts. The top of the pull bar passes through a pull bar through-hole on the mounting frame and is fixed to the wringer handle. The wringer roller assembly is mounted along the Y-axis on a wringer roller mounting protrusion on the mounting frame and is located above the sponge assembly. This wringer mop with a securely connected head and easy dehydration adopts a modular design, making installation and operation convenient. The structural design of the mounting frame enhances the dehydration effect of the sponge and improves the fixing strength between the sponge clamp and the pull bar in the mop head.
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Description

Technical Field

[0001] This invention relates to the field of mop technology, and more specifically to a wringer mop with a securely connected mop head that is easy to wring out water. Background Technology

[0002] Mops are a common cleaning tool used in daily life, mainly divided into two types: cloth mops and sponge mops. Cloth mops usually require a separate spin dryer; the mop head needs to be placed into the spin dryer and spun dry when the water needs to be squeezed out. Sponge mops, on the other hand, are equipped with a wringing device that allows for self-cleaning. Sponge mops are widely favored by users because they do not require a separate spin dryer and take up less space.

[0003] A typical wringer mop consists of a mop handle and a mop head. The mop head is fitted with a sponge insert, and the mop handle has a lever. By pulling the lever, the lever moves the sponge insert clamp via a pull bar, causing the wringing mechanism in the mop head to grip the sponge insert and squeeze out the wastewater. The mounting bracket is a crucial component of the wringer mop, connecting the sponge insert, pull bar, mop handle, and mounting the wringing roller. However, existing mounting brackets are simple in structure and have limited function, merely serving to support the sponge insert, pull bar, mop handle, and mounting the wringing roller. They do not enhance the dehydration function of the sponge insert, resulting in poor wringer mop dehydration capabilities.

[0004] Furthermore, the existing wringer mops have a complex wringing structure, generally using plastic rollers that are not very effective at squeezing water. Also, the sponge component and the pull bar are usually tightened with self-tapping screws. However, in actual use, it has been found that the self-tapping screws are prone to rusting because the sponge component absorbs sewage. In addition, since the pull bar is needed to move the sponge after each mopping, the frequency of use is very high. After a period of use, the sponge component is very likely to fall off, thus shortening the lifespan of the wringer mop. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention proposes a wringer mop with a stable mop head connection and easy dehydration. It adopts a modular design, making it easy to install and operate. The structural design of the mounting frame can enhance the dehydration effect on the sponge and improve the fixing strength between the sponge clamp and the pull strip in the mop head.

[0006] This invention provides a wringer mop with a securely connected head and easy wringing function, comprising: a mounting frame, a sponge assembly, a pull strip, a wringer roller assembly, a mop handle, and a wringer handle. The mounting frame includes a mounting frame body. The top of the mounting frame body has a mop handle insertion hole extending through the mounting frame body in the Z direction. The mounting frame body has mop handle fixing holes concentrically distributed in the X direction on the front and rear sides of the mop handle insertion hole. The top left and right sides of the mounting frame body have two pull strip through holes symmetrically distributed with respect to the mop handle insertion hole. The bottom of the mounting frame body has four downwardly protruding wringer roller mounting protrusions, each of which has a rod insertion hole distributed in the Y direction. A U-shaped groove is provided between the two parallel wringer mounting protrusions on the main body in the X direction. Two parallel U-shaped pressure strips are provided between the interior of the front and rear sides of the mounting frame body in the Y direction. The front and rear sides of the mounting frame body are both shaped like a ︺. The mop handle is inserted into the mop handle insertion hole on the mounting frame and then fixed on the mounting frame. The top of the wringer handle is hinged to the mop handle. The rubber cotton assembly is embedded in the bottom of the mounting frame. The bottom of the pull strip and the top of the rubber cotton assembly are fixedly connected by bolts. The top of the pull strip passes through the pull strip through the pull strip through the mounting frame and is fixed to the wringer handle. The wringer roller assembly is installed on the wringer mounting protrusion of the mounting frame in the Y direction and is located above the rubber cotton assembly.

[0007] In the above technical solution, through innovative design of the mounting frame structure, both the front and rear sides of the mounting frame body are set in a ︺ shape. When the wringing handle is pulled, the ︺-shaped front and rear sides of the mounting frame body will deform under force and squeeze inward, driving the U-shaped pressure strips to squeeze inward as well. In actual wringing, simply pull the wringing handle upward. The wringing handle drives the cotton assembly upward through the pull strip and retracts into the mounting frame. During the upward movement of the cotton assembly, it is dehydrated by the wringing roller assembly. Furthermore, the ︺-shaped front and rear sides of the mounting frame body will deform under force and squeeze inward. In conjunction with the two parallel U-shaped pressure strips arranged along the Y direction between the interior of the front and rear sides of the mounting frame body, the cotton is further squeezed, thereby enhancing the dehydration effect of the cotton. Moreover, thanks to the modular design, during actual installation, you only need to first install the wringer assembly on the wringer mounting protrusion of the mounting frame, then insert the mop handle into the mop handle socket on the mounting frame and lock it in place. The wringer handle is hinged to the mop handle, and then the bottom of the pull bar is fixed to the top of the cotton component with bolts. The top of the pull bar is then fixed to the wringer handle. The installation is very convenient.

[0008] Preferably, a mop handle connector is installed at the top of the mop handle. An adjusting rod is inserted into the mop handle connector and locked in place by a clamp. A plastic sleeve is fitted onto the top of the adjusting rod. In actual installation, the overall length of the mop can be adjusted using the adjusting rod to accommodate the needs of different users.

[0009] Preferably, the PVC assembly includes PVC, with a PVC clamp fixedly mounted on the top of the PVC. Two symmetrically arranged pull strips are mounted on the top of the PVC clamp. The pull strips are fixed to the PVC clamp by bolts. The bolt heads are spot-welded to the bottom of the PVC clamp after being pressed against it, and the bolt posts extend longitudinally from bottom to top through the threaded hole between the pull strip and the PVC clamp. Finally, a nut is used to lock the pull strip to the top of the PVC clamp. In actual assembly, this installation structure, which involves pressing the bolt heads against the bottom of the PVC clamp and spot-welding them in place, then extending the bolt posts longitudinally from bottom to top through the threaded hole between the pull strip and the PVC clamp, and finally locking the pull strip to the top of the PVC clamp with a nut, greatly improves the fixing strength between the PVC clamp and the pull strip, preventing the PVC clamp and pull strip from detaching at the joint for a long time.

[0010] Preferably, each pull bar is fixed to the top of the plywood clamp by at least two parallel and spaced bolts, further enhancing the fixing strength between the plywood clamp and the pull bar.

[0011] Preferably, the PVC clip, pull strip, and bolt are all made of stainless steel.

[0012] Preferably, the top of the adhesive cotton is provided with an upwardly protruding connecting part, which is embedded in the adhesive cotton clamp to facilitate quick and stable installation between the adhesive cotton and the adhesive cotton clamp.

[0013] Preferably, the mounting bracket body is integrally injection molded from plastic to enhance the overall strength of the mounting bracket body.

[0014] Preferably, each squeezing roller mounting protrusion has two vertically spaced insertion holes arranged side by side along the Z-direction, which can enhance the assembly capability of the squeezing roller.

[0015] Preferably, the dewatering roller assembly includes a rod that passes through a rod through-hole on the dewatering roller mounting protrusion along the Y direction, and the dewatering roller is sleeved on the rod.

[0016] Preferably, the squeezing roller includes a plastic roller, and end plugs are provided on both the left and right ends of the plastic roller. A stainless steel outer sleeve is fitted onto the outside of the plastic roller. By fitting a stainless steel outer sleeve onto the outside of the plastic roller, the overall quality of the squeezing roller can be enhanced, the squeezing effect can be improved, and the service life of the squeezing roller can be extended.

[0017] The beneficial effects of the wringing mop with a securely connected mop head and easy-to-dehydrate structure provided by this invention are as follows:

[0018] (1) This mop head is firmly connected and easy to wring out water. The structure is simple and ingeniously designed. By setting the front and rear sides of the mounting frame body into a ︺ shape, when the wringing handle is pulled, the ︺-shaped front and rear sides of the mounting frame body will be deformed and squeezed inward. In conjunction with the two parallel U-shaped pressure strips set in the Y direction between the front and rear sides of the mounting frame body, the cotton wool that enters the mounting frame body when the wringing handle is pulled is further squeezed, thereby enhancing the dehydration effect of the cotton wool.

[0019] (2) This mop head features a secure connection and easy wringing mechanism, making it convenient to install and operate. It also provides excellent wringing performance and extends the lifespan of the mop head. The modular design makes installation very convenient. To wring water, simply pull the wringing handle upwards. The handle, via a pull bar, moves the rubber cotton assembly upwards and retracts into the mounting frame. As the rubber cotton assembly moves upwards, it is dehydrated by the wringing roller assembly. Furthermore, the inward compression of the mounting frame and the U-shaped pressure strip further compress the rubber cotton, enhancing the wringing process.

[0020] (3) This mop head is firmly connected and easy to wring out water. Through the design of the connection structure between the PVA component and the pull strip, the bolt head on the bolt is pressed tightly against the bottom of the PVA clamp and then fixed to the bottom of the PVA clamp by spot welding. Then, the bolt column is longitudinally passed through the screw hole between the pull strip and the PVA clamp from bottom to top, and then the pull strip is locked to the top of the PVA clamp by the nut. This installation structure greatly improves the fixing strength between the PVA clamp and the pull strip and can prevent the PVA clamp and the pull strip from falling off for a long time.

[0021] (4) This wringer mop with a stable and easy-to-dehydrate mop head has improved the structure of the wringer roller by attaching a stainless steel jacket to the outside of the plastic roller, which can enhance the overall quality of the wringer roller, improve the wringing effect, and extend the service life of the wringer roller. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural assembly diagram of the present invention.

[0023] Figure 2 This is a partial three-dimensional assembly diagram of the present invention.

[0024] Figure 3 This is an exploded view of a partial three-dimensional assembly of the present invention.

[0025] Figure 4 This is a three-dimensional structural diagram of the mounting bracket in this invention. Figure I .

[0026] Figure 5 This is a three-dimensional structural diagram of the mounting bracket in this invention. Figure II .

[0027] Figure 6 This is a three-dimensional structural assembly diagram of the water-squeezing structure in this invention.

[0028] Figure 7 This is a three-dimensional exploded view of the water-squeezing structure in this invention.

[0029] Figure 8 This is an exploded schematic diagram of the water-squeezing roller in this invention.

[0030] Figure 9 This is a schematic diagram of the assembly of the pull strip and the adhesive cotton component in this invention.

[0031] Figure 10 This is a partial structural diagram of the assembly of the pull strip and the adhesive cotton component in this invention.

[0032] In the diagram: 1. Mounting bracket; 11. Mounting bracket body; 12. Mop handle insertion hole; 13. Mop handle fixing hole; 14. Pull strip through hole; 15. Squeeze roller mounting protrusion; 16. Insert rod through hole; 17. U-shaped groove; 18. U-shaped pressure strip; 2. PVA assembly; 21. PVA; 22. PVA clamp; 23. Bolt; 231. Bolt post; 232. Nut; 233. Bolt head; 234. Spot weld; 3. Pull strip; 4. Squeeze roller assembly; 41. Squeeze roller; 411. Plastic roller; 412. Stainless steel jacket; 413. End plug; 42. Insert rod; 5. Mop handle; 6. Squeeze handle; 7. Mop handle connector; 8. Hoop; 9. Adjusting rod; 10. Plastic sleeve rod. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0034] Example: A wringer with a securely connected mop head that is easy to wring out water.

[0035] Reference Figures 1 to 10As shown, a wringer mop with a securely connected and easy-to-squeeze mop head includes a mounting frame 1, a sponge assembly 2, a pull bar 3, a wringer roller assembly 4, a mop handle 5, a wringer handle 6, a mop handle connector 7, a clamp 8, an adjusting rod 9, and a plastic sleeve 10. The mop handle 5 is inserted into the mop handle insertion hole 12 on the mounting frame 1 and then fixed to the mounting frame 1 by a pin passing through the mop handle fixing hole 13. The top of the wringer handle 6 is hinged to the mop handle 5. The sponge assembly 2 is embedded in the bottom of the mounting frame 1, and the bottom of the pull bar 3 is connected to the top of the sponge assembly 2. The parts are fixedly connected by bolts 23. The top of the pull bar 3 passes through the pull bar through hole 14 provided on the mounting frame 1 and is fixed to the wringer handle 6. The wringer roller assembly 4 is installed along the Y direction on the wringer roller mounting protrusion 15 of the mounting frame 1 and is located above the cotton assembly 2. The top of the mop handle 5 is equipped with a mop handle connector 7. The adjusting rod 9 is inserted into the mop handle connector 7 and locked by the hoop 8. The plastic sleeve rod 10 is sleeved on the top of the adjusting rod 9. In actual installation, the overall length of the mop can be adjusted by adjusting the adjusting rod 9 to meet the usage requirements of different people.

[0036] Reference Figure 4 and Figure 5As shown, the mounting bracket 1 includes a mounting bracket body 11, which is integrally injection molded from plastic to enhance its overall strength. The top of the mounting bracket body 11 has a mop handle insertion hole 12 extending through the mounting bracket body in the Z direction to facilitate the insertion and installation of the mop handle 5. The mounting bracket body 11 has mop handle fixing holes 13 concentrically distributed in the X direction on its front and rear sides located at the mop handle insertion hole 12. When the mop handle 5 is inserted into the mop handle insertion hole 12, it can be fixed in place by inserting a pin into the mop handle fixing hole 13. Two pull rod through holes 14 are provided on the left and right sides of the top of the frame body 11, which are symmetrically distributed with respect to the mop handle insertion hole, so as to facilitate the through installation of the pull rod 3. The bottom of the mounting frame body 11 is provided with four downward protruding wringer mounting protrusions 15. Each wringer mounting protrusion 15 is provided with a rod insertion hole 16 distributed along the Y direction. The rod insertion hole 16 is used to connect with the rod 42 in the wringer assembly 4. Moreover, each wringer mounting protrusion 15 is provided with two rod insertion holes 16 arranged side by side and spaced apart along the Z direction, which can enhance the assembly capability of the wringer 41. On the mounting frame body 11, U-shaped grooves 17 are provided between the two parallel water-squeezing roller mounting protrusions 15 arranged in the X direction. The function of the U-shaped grooves 17 is to facilitate the inward compression and contraction of the front and rear sides of the mounting frame body under force. Two parallel U-shaped pressure strips 18 are provided in the Y direction between the interior of the front and rear sides of the mounting frame body 11. The function of the U-shaped pressure strips 18 is to better squeeze the cotton 21 after being deformed by pressure. The front and rear sides of the mounting frame body 11 are both set in a ︺ shape, which facilitates the inward compression and contraction of the front and rear sides of the mounting frame body under force, thereby enhancing the squeezing force. In actual use, by setting both the front and rear sides of the mounting frame body 11 into a ︺ shape, when the wringer 6 is pulled, the ︺-shaped front and rear sides of the mounting frame body 11 will deform under force and be squeezed inward. In conjunction with the two parallel U-shaped pressure strips 18 arranged along the Y direction between the interior of the front and rear sides of the mounting frame body 11, the cotton wool 21 that enters the mounting frame body 11 when the wringer is pulled is further squeezed, thereby enhancing the dehydration effect on the cotton wool 21.

[0037] Reference Figure 9 and Figure 10As shown, the PVC assembly 2 includes PVC 21, with a PVC clamp 22 fixedly mounted on the top of the PVC 21. The top of the PVC 21 has an upwardly protruding connecting portion, which is embedded within the PVC clamp 22, facilitating quick and secure installation between the PVC 21 and the PVC clamp 22. Two symmetrically arranged pull strips 3 are mounted on the top of the PVC clamp 22, and the pull strips 3 are fixed to the PVC clamp 22 by bolts 23. The bolt heads 233 on the bolts 23 are connected to the PVC clamp 22. After the bottom is firmly attached, it is spot-welded to the bottom of the adhesive clamp 22 by spot welding 234 to fix it in place. Only in this way can the connection between the bolt head 233 and the adhesive clamp 22 be ensured to be stable, and the position of the bolt head 233 be guaranteed to be stable. This prevents the bolt 23 from rotating when the nut 232 is put on later, which would cause the pull bar 3 to be unable to lock with the adhesive clamp 22. The bolt post 231 on the bolt 23 runs longitudinally from bottom to top through the screw hole between the pull bar 3 and the adhesive clamp 22, and then the pull bar 3 is locked to the top of the adhesive clamp 22 by the nut 232. The adhesive clamp 22, pull bar 3 and bolt 23 are all made of stainless steel to facilitate the welding between the bolt 23 and the adhesive clamp 22. Each pull bar 3 is fixed to the top of the adhesive clamp 22 by at least two parallel and spaced bolts 23, further enhancing the fixing strength between the adhesive clamp 22 and the pull bar 3. This embodiment improves the fixing strength between the adhesive clamp 22 and the pull bar 3 by spot welding 234 after the bolt head 233 on the bolt 23 is tightly attached to the bottom of the adhesive clamp 22. Then, the bolt post 231 is longitudinally passed through the screw hole between the pull bar 3 and the adhesive clamp 22 from bottom to top, and the pull bar 3 is locked to the top of the adhesive clamp 22 by the nut 232. This installation structure greatly improves the fixing strength between the adhesive clamp 22 and the pull bar 3 and can prevent the adhesive clamp 22 and the pull bar 3 from falling off at the joint for a long time.

[0038] Reference Figures 6 to 8 As shown, the wringer assembly 4 includes a rod 42 that passes through a rod through-hole 16 on the wringer mounting protrusion 15 along the Y direction. A wringer 41 is sleeved on the rod 42. The wringer 41 includes a plastic roller 411, with end plugs 413 on both its left and right ends. A stainless steel outer sleeve 412 is fitted over the outside of the plastic roller 411. The stainless steel outer sleeve 412 enhances the overall quality of the wringer 41, improves the wringing effect, and extends its service life. A mop handle connector 7 is installed at the top of the mop handle 5 for easy assembly with the upper mop extension handle.

[0039] This wringer mop is easy to install and operate, has a good wringing effect, and can extend the service life of the mop head. Through modular design, in actual installation, simply install the wringer roller assembly 4 on the wringer roller mounting protrusion 15 of the mounting frame 1, then insert the mop handle 5 into the mop handle insertion hole 12 on the mounting frame 1 and lock it, the wringer handle 6 is hinged to the mop handle 5, and then fix the bottom of the pull strip 3 to the top of the cotton component 2 with bolts 23, and fix the top of the pull strip 3 to the wringer handle 6. The installation is very convenient. When squeezing out water, simply pull the squeezing handle 6 upwards. The squeezing handle 6 drives the cotton assembly 2 upwards and retracts into the mounting frame 1 via the pull strip 3. During the upward movement, the cotton assembly 2 is dehydrated by the squeezing roller assembly 4. The front and rear sides of the mounting frame body 11 are deformed by force and squeezed inwards. In addition, the two parallel U-shaped pressure strips 18 arranged along the Y direction between the interior of the front and rear sides of the mounting frame body 11 further squeeze the cotton 21, thereby enhancing the dehydration effect of the cotton 21.

[0040] The above description is only a preferred embodiment of the present invention, but the present invention should not be limited to the content disclosed in the embodiments and drawings. Therefore, any equivalent or modified embodiments made without departing from the spirit of the present invention shall fall within the protection scope of the present invention.

Claims

1. A wringer mop having a mop head connected firmly and easily separated from the wringer, characterized in that The installation frame, the rubber cotton assembly, the stay, the squeezing roller assembly, the mop rod and the squeezing handle, the installation frame comprises an installation frame body, the top of the installation frame body is provided with a mop rod insertion hole penetrating through the installation frame body along the Z direction, the installation frame body is provided with mop rod fixing holes with the same center along the X direction on the front and rear sides of the mop rod insertion hole, two stay insertion holes symmetrically distributed about the mop rod insertion hole are arranged on the left and right two side ends of the top of the installation frame body, the bottom of the installation frame body is provided with four downward protruding squeezing roller installation protrusions, each squeezing roller installation protrusion is provided with a rod insertion hole distributed along the Y direction, a U-shaped groove is arranged between the two parallel squeezing roller installation protrusions of the installation frame body along the X direction, two parallel and spaced U-shaped pressing strips are arranged between the inner parts of the front and rear sides of the installation frame body along the Y direction, the front and rear sides of the installation frame body are arranged in a shape, the mop rod is inserted into the mop rod insertion hole arranged on the installation frame and fixed on the installation frame, the top of the squeezing handle is hinged on the mop rod, the rubber cotton assembly is embedded into the bottom of the installation frame, the bottom of the stay is fixedly connected with the top of the rubber cotton assembly by a bolt, the top of the stay is fixed on the squeezing handle after penetrating through the stay insertion hole arranged on the installation frame, and the squeezing roller assembly is installed on the squeezing roller installation protrusion of the installation frame along the Y direction and above the rubber cotton assembly. The rubber cotton assembly comprises rubber cotton, a rubber cotton chuck is fixedly installed on the top of the rubber cotton, two symmetrically arranged stays are installed on the top of the rubber cotton chuck, the stays and the rubber cotton chuck are fixedly connected by bolts, the heads of the bolts are tightly attached to the bottom of the rubber cotton chuck and are fixedly connected to the bottom of the rubber cotton chuck by spot welding, the shanks of the bolts penetrate through the screw holes between the stays and the rubber cotton chuck from bottom to top, and the stays are locked on the top of the rubber cotton chuck by nuts.

2. The wringer mop according to claim 1, wherein: Each stay is fixedly connected to the top of the rubber cotton chuck by at least two parallel and spaced bolts.

3. The wringer mop according to claim 2, wherein: The rubber cotton chuck, the stays and the bolts are made of stainless steel.

4. The wringer mop according to claim 2, wherein: The top of the rubber cotton is provided with an upward protruding protruding connection part, and the protruding connection part is embedded and installed in the rubber cotton chuck.

5. The wringer mop according to claim 2, wherein: The installation frame body is integrally injection molded by plastic.

6. The wringer mop according to claim 1, wherein: Each squeezing roller installation protrusion is provided with two upper and lower parallel and spaced rod insertion holes along the Z direction.

7. The wringer mop according to claim 1, wherein: The squeezing roller assembly comprises a rod, the rod penetrates through the rod insertion hole on the squeezing roller installation protrusion along the Y direction, and a squeezing roller is sleeved on the rod.

8. The wringer mop according to claim 1, wherein: The squeezing roller comprises a plastic roller, end edge plugs are arranged on the left and right end edges of the plastic roller, and a stainless steel sleeve is sleeved on the outside of the plastic roller.

9. The wringer mop according to claim 8, wherein: ​

Citation Information

Patent Citations

  • Water squeezing mop with mop head connected stably and easy to dewater

    CN220236806U