Cleaning tool

Abstract

The invention is suitable for the technical field of cleaning, and discloses a cleaning tool which comprises a cleaning head and a motor. The cleaning head is provided with a detachable cleaning roller, the detachable cleaning roller comprises a roller support provided with a roller sponge, the roller support is provided with a mounting base, one side of the mounting base is axially provided with a mounting cavity extending to the end of the roller support, the mounting base is provided with a connecting shaft structure on one side of the mounting cavity, and the other side of the mounting base is axially provided with a detachable telescopic transmission mechanism; and the motor is connected with the cleaning head through a universal shaft connector. The cleaning tool is provided with the detachable cleaning roller, abrasion can be avoided, overall replacement can be achieved, and the use cost is reduced.

Description

[0001] This application is a divisional application of Chinese Patent Application No. 202210334542.7 entitled "A Detachable Cleaning Roller and Cleaning Tool", the contents of which are incorporated herein by reference. Technical Field

[0002] This invention relates to the field of cleaning technology, and more particularly to a cleaning tool. Background Technology

[0003] Existing cleaning tools include cleaning rollers. For example, Chinese patent document CN213910076U discloses a cleaning head and cleaning tool for use in cleaning tools. The cleaning head includes: a housing with a fixing groove; a roller disposed within the housing; a first fixing part disposed at one end of the roller, including a fixing block that cooperates with the fixing groove to fix one end of the roller to the housing; an elastic locking device disposed on the housing or the first fixing part, including a locking tongue; and a locking groove disposed on the first fixing part or the housing, which cooperates with the locking tongue to lock the roller. One end of the roller is locked to the housing through the cooperation of the locking tongue and the locking groove; and the elastic device makes it easier to remove or install the roller.

[0004] Because the cleaning roller is fitted onto a motor on one side wall of the cleaning head and driven by the motor shaft, and the other end is snapped onto the other side wall of the cleaning head via a spring button, the inner wall of the roller bracket on the cleaning roller and the outer wall of the bearing on the motor mounting base are interference-fitted to better ensure that the cleaning roller does not wobble and maintains balance during use. However, due to the wear of moving parts during operation, noise increases, necessitating the replacement of easily worn parts. Therefore, the existing cleaning roller structure is complex and difficult to disassemble after assembly, leading to the need for complete replacement of the cleaning roller. This increases user costs, and the need for complete scrapping after installation due to defects further increases production costs, thus hindering energy conservation and emission reduction. Summary of the Invention

[0005] The main technical problem solved by this invention is to provide a detachable cleaning roller and cleaning tool, wherein the detachable cleaning roller can avoid wear and tear and can only be replaced as a whole, thereby reducing the cost of use.

[0006] To solve the above-mentioned technical problems, the present invention provides a cleaning tool, comprising:

[0007] The cleaning head is equipped with a detachable cleaning roller. The detachable cleaning roller includes a roller bracket with a roller sponge. The roller bracket is equipped with a mounting seat. One side of the mounting seat is axially provided with a mounting cavity extending to the end of the roller bracket. A guide structure is provided in the mounting cavity. The mounting seat is provided with a coupling structure on one side of the mounting cavity. The other side of the mounting seat is axially provided with a detachable telescopic transmission mechanism.

[0008] The motor is connected to the cleaning head via a universal joint.

[0009] When the telescopic transmission mechanism becomes worn, it can be replaced.

[0010] In one or more alternative embodiments, the guide structure has a first cavity and a second cavity extending inward from the end, the diameter of the first cavity being larger than the diameter of the second cavity.

[0011] In one or more alternative embodiments, a third cavity with a gradually decreasing diameter is provided between the first cavity and the second cavity, and the wall of the third cavity forms an annular guide ramp.

[0012] In one or more alternative embodiments, the annular guide ramp is tilted at an angle of 5-15 degrees.

[0013] In one or more alternative embodiments, a fourth cavity is formed on the opposite side of the second cavity inside the roller support, separated by a coupling structure, and the fourth cavity accommodates the telescopic transmission mechanism.

[0014] In one or more alternative embodiments, the telescopic transmission mechanism includes:

[0015] Shaft core fixing seat;

[0016] Shaft core, penetrating shaft core fixing seat;

[0017] A shaft sleeve, which has one end of the shaft fixed to the shaft fixing seat;

[0018] An elastic component is provided between the shaft sleeve and the shaft fixing seat to allow the shaft to extend outward;

[0019] The shaft core and the shaft core fixing seat are provided with a limiting structure, and a bearing is provided at the end of the shaft core extending out of the shaft core fixing seat. The outer ring of the bearing is provided with a key cover.

[0020] In one or more alternative embodiments, the axial end face of the coupling structure is provided with a first through hole that extends axially, at least one limiting groove is provided around the first through hole, and a guide slope is provided on the end face between each positioning groove.

[0021] In one or more alternative embodiments, the coupling structure includes at least two limiting grooves arranged in the circumferential direction.

[0022] In one or more alternative embodiments, the limiting grooves are evenly distributed along the circumferential direction.

[0023] In one or more alternative embodiments, the number of limiting slots is three or four.

[0024] In one or more alternative embodiments, the coupling structure is provided with a plurality of non-circular fixing holes evenly distributed on the opposite side along the circumferential direction for fixing the telescopic transmission mechanism.

[0025] In one or more alternative embodiments, the elastic component includes a telescopic spring that is sleeved on the shaft between the shaft core fixing seat and the shaft core sleeve, causing the shaft core to tend to move in an outward extension direction.

[0026] In one or more alternative embodiments, the end of the button cover is provided with an anti-rotation structure to prevent rotation.

[0027] In one or more alternative embodiments, the anti-rotation structure includes at least one plane on its axial side.

[0028] In one or more alternative embodiments, the telescopic transmission mechanism further includes a bearing retainer and a bearing pressure block sleeved on the shaft core and located on both sides of the bearing, respectively.

[0029] In one or more alternative embodiments, the shaft core is provided with a through hole in the axial direction.

[0030] In one or more alternative embodiments, the shaft core fixing seat is provided axially with a guide groove that engages with a guide strip provided on the surface of the shaft core.

[0031] In one or more alternative embodiments, a bearing that mates with an annular guide ramp is provided between the universal joint and the roller support.

[0032] The present invention provides a cleaning tool with a detachable cleaning roller. The detachable cleaning roller includes a roller bracket with a roller sponge, a mounting base, and a mounting cavity extending axially to the end of the roller bracket on one side of the mounting base. A coupling structure is provided on one side of the mounting cavity, and a detachable telescopic transmission mechanism is provided axially on the other side of the mounting base. When the telescopic transmission mechanism wears out, only the telescopic transmission mechanism needs to be replaced, instead of the entire cleaning roller, which reduces operating costs, facilitates replacement, and saves resources. Attached Figure Description

[0033] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a schematic cross-sectional view along the axial direction of an embodiment of the cleaning roller.

[0035] Figure 2 This is an exploded view of the structure of an embodiment of the cleaning roller.

[0036] Figure 3 This is a cross-sectional view of an embodiment of the telescopic transmission mechanism along the axial direction.

[0037] Figure 4 This is a cross-sectional three-dimensional structural diagram along the axial direction of an embodiment of the telescopic transmission mechanism.

[0038] Figure 5 This is a cross-sectional perspective view of a three-dimensional structure along the axial direction of an embodiment of a detachable cleaning roller.

[0039] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0040] The claims of the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of the present invention.

[0041] It should be understood that, in the description of the embodiments of the present invention, all directional indicating terms, such as "up," "down," "left," "right," "front," and "back," indicate the orientation or positional relationship based on the orientation and positional relationship shown in the accompanying drawings or the orientation or positional relationship commonly used when the product is in use. These terms are merely for the purpose of simplifying the description of the present invention and do not explicitly or implicitly suggest that the device, element, or component referred to must have a specific orientation or specific orientational structure, and should not be construed as a limitation of the present invention. They are only used to explain the relative positional relationships and movements between the components shown in the accompanying drawings. When this specific orientation changes, the directional indication may also change accordingly.

[0042] Furthermore, in this invention, ordinal numbers such as "first" and "second" are used for distinguishing purposes only and should not be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, the features referred to as "first" and "second" may explicitly or implicitly include at least one of those technical features. In the description of this invention, "a plurality of" means at least two, i.e., two or more, unless otherwise explicitly defined; "at least one" means one or more.

[0043] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "setting," "connection," "fixing," and "screw-in" should be interpreted broadly. For example, they can refer to a relatively fixed positional relationship between components, or a physically fixed connection between components; they can be detachable connections or integral structures; they can be mechanical connections or electrical signal connections; they can be direct connections or indirect connections through intermediate media or components; they can refer to the internal communication of two elements or the interaction between two elements. Unless otherwise explicitly limited in the specification, other interpretations will not achieve the corresponding functions or effects. For those skilled in the art, the specific meaning of the above terms in this invention can be understood according to the specific circumstances.

[0044] If the controllers or control circuits involved in this invention are conventional control technologies or units for those skilled in the art, such as the control circuits of the controllers, they can be implemented by those skilled in the art using existing methods, such as simple programming. Regarding software or programs that work with hardware to achieve control results, unless the description provides a detailed explanation of the control process of the software or programs involved, this pertains to the use of existing technology or conventional techniques for those skilled in the art. The power supply also employs existing technology in the art. Furthermore, since the main inventive aspect of this invention lies in the improvement of the mechanical device, this invention will not provide a detailed explanation of the specific circuit control relationships and circuit connections.

[0045] This invention discloses many different embodiments or examples for implementing different structures of the invention. To simplify the disclosure, specific examples of components and arrangements are described herein. These are merely examples and are not intended to limit the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0046] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0047] like Figures 1-4 As shown, the present invention provides an embodiment of a detachable cleaning roller.

[0048] The detachable cleaning roller includes a roller bracket 1 with a roller sponge 2, a mounting base 3, a mounting cavity extending axially to the end of the roller bracket on one side of the mounting base, a connecting shaft structure on one side of the mounting cavity, and a telescopic transmission mechanism on the other side of the mounting base.

[0049] Specifically, the telescopic transmission mechanism includes a shaft core fixing seat 5 and a shaft core 6 passing through the shaft core fixing seat, as well as a shaft core sleeve 4 with one end of the shaft core fixed to the shaft core fixing seat 5. An elastic component 7 is provided between the shaft core sleeve 4 and the shaft core fixing seat 5 to allow the shaft core 6 to extend outward. A limiting structure 61 is provided between the shaft core 6 and the shaft core fixing seat 5. A bearing 8 is provided at the end of the shaft core 6 extending out of the shaft core fixing seat 5, and a key cover 10 is provided on the outer ring of the bearing.

[0050] The elastic component 7 includes a telescopic spring, which is sleeved on the shaft core 6 between the shaft core fixing seat 5 and the shaft core sleeve 4, causing the shaft core to tend to move in the outward extension direction. The end of the key cover is provided with an anti-rotation structure to prevent rotation. This anti-rotation structure ensures that when the roller support rotates, there is no relative rotation between the key cover and the roller support, i.e., the anti-rotation structure does not rotate. The anti-rotation structure includes at least one plane on its axial side.

[0051] As needed, the telescopic transmission mechanism further includes a bearing fixing bracket 9 and a bearing pressure block 11, which are sleeved on the shaft core and located on both sides of the bearing, respectively, so as to clamp and fix both sides of the bearing. The shaft core has a through hole in the axial direction, which can reduce the mass of the shaft core and reduce unnecessary power loss during operation.

[0052] The shaft core fixing seat 5 is provided with a guide strip 51 along the axial direction, which cooperates with the guide groove 62 provided on the surface of the shaft core. By cooperating with the guide groove, it can be ensured that there is no relative rotation between the shaft core and the shaft core fixing seat during operation, and the friction between the shaft core and the shaft core fixing seat is reduced during the assembly process.

[0053] Since the interior of the mounting cavity cannot be observed during assembly, blind assembly is required to avoid jamming due to small clearances and potential deviations during installation, thus improving installation efficiency. Therefore, a guide structure is provided within the mounting cavity. This guide structure has a first cavity 1A and a second cavity 1B extending inwards from the end, with the diameter of the first cavity being larger than that of the second cavity. A third cavity 1C with a gradually decreasing diameter is provided between the first and second cavities, and the wall of this third cavity forms an annular guide ramp 12. The angle of inclination of the annular guide ramp is 5-15 degrees.

[0054] The interior of the mounting cavity cannot be observed, therefore blind installation is required to avoid prolonged installation time due to misalignment during installation. The coupling structure has a first through hole 114 axially penetrating the axial end face, and at least one limiting groove 110 around this first through hole. A guide slope 111 is provided on the end face between each positioning groove, which improves installation efficiency. The limiting grooves are evenly distributed along the circumference. The number of limiting grooves is three or four. Multiple non-through fixing holes 116 are evenly distributed along the circumference on the opposite side of the coupling structure for fixing the telescopic transmission mechanism. On the opposite side of the second cavity 1B inside the roller bracket 1, a fourth cavity 13 is formed by the coupling structure, which accommodates the telescopic transmission mechanism.

[0055] When the telescopic transmission mechanism wears out, only the telescopic transmission mechanism can be replaced instead of the entire cleaning roller. This reduces operating costs, makes replacement easier, and saves resources.

[0056] This utility model also provides another embodiment of a cleaning tool.

[0057] The cleaning tool includes a cleaning head with a detachable cleaning roller. The detachable cleaning roller includes a roller bracket 1 with a roller sponge 2. The roller bracket has a mounting base. One side of the mounting base has an axially extending mounting cavity that extends to the end of the roller bracket. The mounting base has a connecting shaft structure on one side of the mounting cavity, and the other side of the mounting base has an axially extending telescopic transmission mechanism.

[0058] Specifically, the telescopic transmission mechanism includes a shaft core fixing seat 5 and a shaft core 6 passing through the shaft core fixing seat, as well as a shaft core sleeve 4 with one end of the shaft core fixed to the shaft core fixing seat 5. An elastic component 7 is provided between the shaft core sleeve 4 and the shaft core fixing seat 5 to allow the shaft core 6 to extend outward. A limiting structure 61 is provided between the shaft core 6 and the shaft core fixing seat 5. A bearing 8 is provided at the end of the shaft core 6 extending out of the shaft core fixing seat 5, and a key cover 10 is provided on the outer ring of the bearing.

[0059] The elastic component 7 includes a telescopic spring, which is sleeved on the shaft core 6 between the shaft core fixing seat 5 and the shaft core sleeve 4, causing the shaft core to tend to move outward. The end of the button cover 10 is provided with an anti-rotation structure to prevent rotation. This anti-rotation structure ensures that when the roller support rotates, there is no relative rotation between the button cover 10 and the roller support 1, i.e., the anti-rotation structure does not rotate. This anti-rotation structure includes at least one flat surface on its axial side.

[0060] As needed, the telescopic transmission mechanism also includes a bearing fixing bracket 9 and a bearing pressure block 11, which are sleeved on the shaft core 6 and located on both sides of the bearing 8, respectively, so as to clamp and fix both sides of the bearing. The shaft core 6 has a through hole in the axial direction, which can reduce the mass of the shaft core and reduce unnecessary power loss during operation.

[0061] The shaft core fixing seat 5 is provided with a guide bar 51 along the axial direction, which cooperates with the guide groove 62 provided on the surface of the shaft core 6. By cooperating with the guide groove and the guide bar, it can be ensured that there is no relative rotation between the shaft core and the shaft core fixing seat during operation, and the friction between the shaft core and the shaft core fixing seat is reduced during the assembly process.

[0062] Since the interior of the mounting cavity cannot be observed during assembly, blind assembly is required to avoid jamming due to small clearances and potential deviations during installation, thus improving installation efficiency. Therefore, a guide structure is provided within the mounting cavity. This guide structure has a first cavity 1A and a second cavity 1B extending inwards from the end, with the diameter of the first cavity being larger than that of the second cavity. A third cavity 1C with a gradually decreasing diameter is provided between the first cavity 1A and the second cavity 1B, and the wall of this third cavity forms an annular guide ramp 12. The angle of inclination of the annular guide ramp is 5-15 degrees.

[0063] The interior of the mounting cavity cannot be observed, therefore blind installation is required to avoid prolonged installation time due to misalignment during installation. The coupling structure has a first through hole 114 axially penetrating the axial end face, and at least one limiting groove 110 around this first through hole. A guide slope 111 is provided on the end face between each positioning groove, which improves installation efficiency. The limiting grooves are evenly distributed along the circumference. The number of limiting grooves is three or four. Multiple non-through fixing holes 116 are evenly distributed along the circumference on the opposite side of the coupling structure for fixing the telescopic transmission mechanism. On the opposite side of the second cavity 1B inside the roller bracket 1, a fourth cavity 13 is formed by the coupling structure, which accommodates the telescopic transmission mechanism.

[0064] When the telescopic transmission mechanism wears out, only the telescopic transmission mechanism can be replaced instead of the entire cleaning roller. This reduces operating costs, makes replacement easier, and saves resources.

[0065] As needed, the cleaning tool also includes a motor connected to the cleaning head via a universal joint. A bearing that mates with the annular guide ramp is provided between the universal joint and the cleaning roller bracket. That is, the outer ring of the bearing has a structure consistent with the annular guide ramp. This can prevent installation jamming caused by deviation when the fit is large during installation.

[0066] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cleaning tool, characterized in that, include: The cleaning head is equipped with a detachable cleaning roller. The detachable cleaning roller includes a roller bracket with a roller sponge. The roller bracket is equipped with a mounting seat. One side of the mounting seat is axially provided with a mounting cavity extending to the end of the roller bracket. A guide structure is provided in the mounting cavity. The mounting seat is provided with a coupling structure on one side of the mounting cavity. The other side of the mounting seat is axially provided with a detachable telescopic transmission mechanism. The motor is connected to the cleaning head via a universal joint. When the telescopic transmission mechanism becomes worn, it can be replaced. Preferably, the guide structure has a first cavity and a second cavity from the end inward, and the diameter of the first cavity is larger than the diameter of the second cavity; Preferably, a third cavity with a gradually decreasing diameter is provided between the first cavity and the second cavity, and the wall of the third cavity forms an annular guide slope; Preferably, the angle of inclination of the annular guide ramp is 5-15 degrees.

2. The cleaning tool as described in claim 1, characterized in that, Inside the roller support, on the opposite side of the second cavity, a fourth cavity is formed by a connecting shaft structure, which houses the telescopic transmission mechanism.

3. The cleaning tool as described in claim 1, characterized in that, The telescopic transmission mechanism includes: Shaft core fixing seat; Shaft core, penetrating shaft core fixing seat; A shaft sleeve, which has one end of the shaft sleeve fixed to the shaft fixing seat; An elastic component is provided between the shaft sleeve and the shaft fixing seat to allow the shaft to extend outward; The shaft core and the shaft core fixing seat are provided with a limiting structure, and a bearing is provided at the end of the shaft core extending out of the shaft core fixing seat. The outer ring of the bearing is provided with a key cover.

4. The cleaning tool as described in claim 1, characterized in that, The axial end face of the coupling structure is provided with an axially penetrating first through hole, and at least one limiting groove is provided around the first through hole. A guide slope is provided on the end face between each positioning groove.

5. The cleaning tool as described in claim 4, characterized in that, The coupling structure includes at least two limiting grooves in the circumferential direction.

6. The cleaning tool as described in claim 4, characterized in that, The limiting grooves are evenly distributed along the circumference. Preferably, the number of limiting grooves is three or four.

7. The cleaning tool as described in claim 4, characterized in that, The coupling structure has multiple non-circular fixing holes evenly distributed on the opposite side along the circumference to fix the telescopic transmission mechanism.

8. The cleaning tool as described in claim 3, characterized in that, The elastic component includes a telescopic spring, which is sleeved on the shaft between the shaft core fixing seat and the shaft core sleeve, causing the shaft core to tend to move in the outward extension direction; Preferably, the end of the button cover is provided with an anti-rotation structure to prevent rotation; Preferably, the anti-rotation structure includes at least one plane on its axial side.

9. The cleaning tool as described in claim 3, characterized in that, The telescopic transmission mechanism also includes a bearing fixing frame and a bearing pressure block that are sleeved on the shaft core and located on both sides of the bearing; Preferably, the shaft core has a through hole in the axial direction; Preferably, the shaft core fixing seat is provided with a guide groove along the axial direction that cooperates with the guide strip provided on the surface of the shaft core.

10. The cleaning tool according to any one of claims 1-9, characterized in that, A bearing that mates with an annular guide ramp is provided between the universal joint and the roller support.

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