WO2023184778A1

WO2023184778A1 - Dismantlable cleaning roller and cleaning tool

Info

Publication number: WO2023184778A1
Application number: PCT/CN2022/104771
Authority: WO
Inventors: 周杰; 万科学
Original assignee: 帝舍智能科技(武汉)有限公司
Priority date: 2022-04-01
Filing date: 2022-07-09
Publication date: 2023-10-05
Also published as: CN115153366A

Abstract

A dismantlable cleaning roller and a cleaning tool. The dismantlable cleaning roller comprises a roller support (1) provided with a roller sponge (2); the roller support (1) is provided with a mounting seat (3); one side of the mounting seat (3) is axially provided with a mounting cavity extending to the end of the roller support (1); the mounting seat (3) is provided with a connecting shaft structure on one side of the mounting cavity (3), and the other side of the mounting seat (3) is axially provided with a detachable telescopic transmission mechanism. After the telescopic transmission mechanism is abraded, only the telescopic transmission mechanism needs to be replaced, and the entire cleaning roller does not need to be replaced, so that the use cost can be reduced, replacement is convenient, and resources can also be saved.

Description

Detachable cleaning roller and cleaning tool

Technical field

The present invention relates to the field of cleaning technology, and in particular to a detachable cleaning roller and a cleaning tool.

Background technique

Existing cleaning tools include cleaning rollers. For example, Chinese patent document CN213910076U discloses a cleaning head and cleaning tool for cleaning tools. The cleaning head includes: a housing including a fixing groove; a roller provided in the housing; a first fixing part provided at one end of the roller and including a fixing block that cooperates with the fixing groove to secure the One end of the drum is fixed on the housing; an elastic locking device is provided on the housing or the first fixed part, including a lock tongue; a lock groove is provided on the first fixed part or the housing On the body, it cooperates with the lock tongue to lock the roller. One end of the drum locks the drum and the casing through the cooperation of the lock tongue and the lock groove; and an elastic device is provided to make the removal or installation of the drum more convenient.

Since one end of the cleaning roller is connected to the motor on one side of the cleaning head and is connected to the motor shaft, the other end of the cleaning roller is connected to the other side wall of the cleaning head through an elastic button. The inner wall of the roller bracket on the cleaning roller The interference fit with the outer wall of the bearing on the motor mounting base can better ensure that the cleaning drum will not shake and move in balance during use. However, moving parts usually wear out during work, resulting in increased noise. Therefore, parts that are prone to wear need to be replaced. Therefore, the existing cleaning roller has a complex structure and is not easy to disassemble after assembly. As a result, the cleaning roller can only be replaced in its entirety. , This will increase the user's cost of use, and it will need to be scrapped as a whole if it is unqualified after installation, which will also lead to an increase in production costs, which is not conducive to energy conservation and emission reduction.

technical problem

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

Technical solutions

In order to solve the above technical problems, the present invention provides a detachable cleaning roller. The detachable cleaning roller includes a roller bracket provided with a roller sponge. The roller bracket is provided with a mounting base. One side of the mounting base is axially provided with an extension extending to There is a mounting cavity at the end of the roller bracket. The mounting seat is provided with a connecting shaft structure on one side of the mounting cavity, and the other side of the mounting seat is axially provided with a telescopic transmission mechanism.

Furthermore, the telescopic transmission mechanism includes a shaft core fixing seat and a shaft core penetrating the shaft core fixing seat, and a shaft core sleeve with one end of the shaft core fixed to the shaft core fixing seat. After the shaft core sleeve is fixed to the shaft core, There is an elastic component between the shaft core and the shaft core to extend outwards. There is a limiting structure between the shaft core and the shaft core fixed seat. There is a bearing at one end of the shaft core that extends out of the shaft core fixed seat. The outside of the bearing The ring has a button cover.

Furthermore, the elastic component includes a telescopic spring, which is sleeved on the shaft core between the shaft core fixing seat and the shaft core sleeve, causing the shaft core to move in an outward extending direction.

Furthermore, the end of the key cover is provided with an anti-rotation structure to prevent rotation.

Furthermore, the anti-rotation structure includes at least one flat surface provided on the axial side.

Furthermore, the telescopic transmission mechanism also includes a bearing holder and a bearing pressure block that are sleeved on the shaft core and located on both sides of the bearing.

Furthermore, the shaft core is provided with a through hole in the axial direction.

Furthermore, the shaft core fixing seat is provided with guide grooves along the axial direction that cooperate with the guide bars provided on the surface of the shaft core.

Furthermore, a guide structure is provided in the installation cavity.

Furthermore, the guide structure is provided with a first cavity and a second cavity inwardly from the end, wherein the diameter of the first cavity is larger than the diameter of the second cavity.

Furthermore, a third cavity with a gradually decreasing diameter is provided between the first cavity and the second cavity, and the third cavity wall forms an annular guide slope.

Furthermore, the inclination angle of the annular guide slope is 5-15 degrees.

Furthermore, the connecting shaft structure includes at least two limiting grooves provided in the circumferential direction, and a guide slope is provided on the end surface between each positioning groove.

Furthermore, the limiting grooves are evenly distributed along the circumferential direction.

Furthermore, the number of the limiting grooves is three or four.

The utility model also provides another cleaning tool. The cleaning tool includes a cleaning head. The cleaning head is provided with a detachable cleaning roller. The detachable cleaning roller includes a roller bracket equipped with a roller sponge. The roller bracket is provided with a mounting mechanism. The mounting seat is axially provided with a mounting cavity extending to the end of the roller bracket on one side of the mounting seat. The mounting seat is provided with a connecting shaft structure on one side of the mounting cavity. The other side of the mounting seat is axially provided with a telescopic transmission. mechanism.

Furthermore, a guide structure is provided in the installation cavity.

Furthermore, the inclination angle of the annular guide slope is 5-15 degrees.

Furthermore, the number of the limiting grooves is three or four.

Furthermore, the cleaning tool also includes a motor connected to the cleaning head through a universal shaft connector, and a bearing that cooperates with the annular guide slope is provided between the universal shaft connector and the cleaning roller bracket.

beneficial effects

The detachable cleaning roller and cleaning tool of the present invention, wherein the detachable cleaning roller includes a roller bracket provided with a roller sponge, the roller bracket is provided with a mounting seat, and one side of the mounting seat is axially provided with a thread extending to the end of the drum bracket. The mounting cavity is provided with a connecting shaft structure on one side of the mounting cavity, and a detachable telescopic transmission mechanism is axially provided on the other side of the mounting cavity. When the telescopic transmission mechanism is worn, only the telescopic transmission mechanism can be replaced instead of the entire cleaning roller, which can not only reduce the cost of use, facilitate replacement, but also save resources.

Description of drawings

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings needed to describe the embodiments or the prior art. Obviously, the drawings in the description only show illustrate certain embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other relevant appendices can also be obtained based on these drawings without exerting creative efforts. picture.

Figure 1 is an axial cross-sectional structural diagram of an embodiment of the cleaning roller.

Figure 2 is an exploded schematic diagram of the structure of the cleaning roller embodiment.

Figure 3 is a schematic cross-sectional structural diagram along the axial direction of an embodiment of the telescopic transmission mechanism.

Figure 4 is a schematic three-dimensional structural diagram of the embodiment of the telescopic transmission mechanism cut along the axial direction.

Figure 5 is a schematic three-dimensional structural diagram of the detachable cleaning roller embodiment taken along the axial direction from another perspective.

The realization of the purpose, functional features and advantages of the present invention will be further described with reference to the embodiments and the accompanying drawings.

Best Mode of Carrying Out the Invention

[0042] The claims of the present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments proposed by those of ordinary skill in the art without creative work shall also fall within the scope of protection of the present invention.

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", "back", etc., indicate the orientation or position. The relationship is based on the orientation and positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the invention is customarily placed when used. It is only for the convenience of simplifying the description of the present invention, and does not expressly or imply that the device, element or component referred to must be Having a specific orientation and a specific orientation structure should not be construed as a limitation on the present invention. It is only used to explain the relative positional relationship, movement, etc. between the components shown in the drawings. When the specific posture changes, the directional indication may also change accordingly.

In addition, ordinal numbers, such as “first”, “second” and other descriptions in the present invention are only used for the purpose of distinction and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. The features thus defined as “first” and “second” may be explicitly or implicitly combined with at least one of the technical features. In the description of the present invention, "plurality" means at least two, that is, two or more, unless otherwise expressly limited; "at least one" means one or one and more.

In the present invention, unless otherwise explicitly stated and limited, terms such as "installation", "setting", "connection", "fixing" and "screwing" should be understood in a broad sense. For example, they can be between components. The positional relationship is relatively fixed, or there can be a physically fixed connection between the components, which can be a detachable connection or an integrated structure; it can be a mechanical connection or an electrical signal connection; it can be either a direct connection or an integrated structure. It can be indirectly connected through an intermediary or component; it can be either the internal connection of two components or the interaction between two components. Unless otherwise clearly defined in the description, the corresponding function or effect cannot be achieved if otherwise understood. In addition, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

The controller and control circuit involved in the present invention are conventional control technologies or units used by those skilled in the art. For example, the control circuit of the controller can be implemented by those skilled in the art using existing technology, such as simple programming. Involving software or programs that cooperate with hardware to achieve control results, if the description does not specify the software or program control process involved, it belongs to the use of existing technology or the routine technology of ordinary technicians in the field. The power supply also adopts the above-mentioned existing technology in the field, and the main technical point of the present invention is to improve the mechanical device, so the specific circuit control relationship and circuit connection will not be described in detail in the present invention.

The disclosure of the present invention provides many different embodiments or examples for implementing various structures of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described herein. Of course, they are merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numbers and/or reference letters in different examples, such repetition being for purposes of simplicity and clarity and does not itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

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 here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

As shown in Figures 1-4, the present invention provides an embodiment of a detachable cleaning roller.

The detachable cleaning roller includes a roller bracket 1 provided with a roller sponge 2. The roller bracket is provided with a mounting seat 3. One side of the mounting seat is axially provided with a mounting cavity extending to the end of the roller bracket. The mounting seat is located on A connecting shaft structure is provided on one side of the installation cavity, and a telescopic transmission mechanism is provided axially on the other side of the mounting base.

Specifically, the telescopic transmission mechanism includes a shaft core fixing seat 5 and a shaft core 6 passing through the shaft core fixing seat, and a shaft core sleeve 4 with one end of the shaft core fixed to the shaft core fixing seat 5. In the shaft core sleeve 4 An elastic component 7 is provided between the shaft core 6 and the shaft core fixing seat 5 to extend the shaft core 6 outwards. A limiting structure 61 is provided between the shaft core 6 and the shaft core fixed seat 5. The shaft core 6 extends out of the shaft core 6. One end of the core fixed base 5 is provided with a bearing 8, and the outer ring of the bearing is provided with a key cover 10.

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 to make the shaft core move in the outward extending direction. The end of the key cover is provided with an anti-rotation structure to prevent rotation. The anti-rotation structure can ensure that when the drum bracket rotates, relative rotation occurs between the key cover and the drum bracket, that is, the anti-rotation structure does not rotate. The anti-rotation structure includes at least one flat surface on the axial side.

If necessary, the telescopic transmission mechanism also includes bearing fixing brackets 9 and bearing pressure blocks 11 that are sleeved on the shaft core and located on both sides of the bearing, so that both sides of the bearing can be clamped and fixed. The shaft core is provided with a through hole in the axial direction, which can reduce the quality of the shaft core and reduce wasteful power loss during operation.

The shaft core fixing seat 5 is provided with a guide bar 51 in the axial direction that matches the guide groove 62 provided on the surface of the shaft core. Through the cooperation between the guide groove and the guide bar, the gap between the shaft core and the shaft core fixing seat can be ensured during operation. No relative rotation occurs, and the friction between the shaft core and the shaft core fixed seat is reduced during the assembly process.

Since the inside of the installation cavity cannot be observed during assembly, blind installation is required to avoid the problem of being easily stuck when deviations occur due to small fitting gaps during the installation process, thereby improving installation efficiency. Therefore, a guide structure is provided in the installation cavity, and the guide structure is provided with a first cavity 1A and a second cavity 1B from the end inward, wherein the diameter of the first cavity is larger than the diameter of the second cavity. A third cavity 1C with a gradually decreasing diameter is provided between the first cavity and the second cavity, and the third cavity wall forms an annular guide slope 12 . The angle of inclination of the annular guide slope is 5-15 degrees.

The inside of the installation cavity cannot be observed, so blind installation is required to avoid failure to align at one time during the installation process and prolonging the installation time. The connecting shaft structure is provided with an axial end surface with an axially penetrating first through hole 114, at least one limiting groove 110 is provided around the first through hole, and a guide is provided on the end surface between each positioning groove. Incline 111, which can improve installation efficiency. The limiting grooves are evenly distributed along the circumferential direction. The number of the limiting grooves is three or four. A plurality of unblocked fixing holes 116 are evenly distributed along the circumferential direction on the opposite side of the connecting shaft structure for fixing the telescopic transmission mechanism. On the opposite side of the second cavity 1B inside the drum support 1, a fourth cavity 13 is formed, separated by a coupling structure, and the fourth cavity 13 accommodates the telescopic transmission mechanism.

When the telescopic transmission mechanism is worn, only the telescopic transmission mechanism can be replaced instead of the entire cleaning roller, which can not only reduce the cost of use, facilitate replacement, but also save resources.

The utility model also provides another cleaning tool embodiment.

The cleaning tool includes a cleaning head. The cleaning head is equipped with a detachable cleaning roller. The detachable cleaning roller includes a roller bracket 1 equipped with a roller sponge 2. The roller bracket is provided with a mounting base. One side of the mounting base is axially located. There is an installation cavity extending to the end of the roller bracket. The installation seat is provided with a connecting shaft structure on one side of the installation cavity, and a telescopic transmission mechanism is axially provided on the other side of the installation seat.

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 to make the shaft core move in the outward extending direction. The end of the key cover 10 is provided with an anti-rotation structure to prevent rotation. The anti-rotation structure can ensure that when the drum bracket rotates, relative rotation occurs between the key cover 10 and the drum bracket 1, that is, the anti-rotation structure does not rotate. The anti-rotation structure includes at least one flat surface on the axial side.

If necessary, the telescopic transmission mechanism also includes bearing fixing brackets 9 and bearing pressure blocks 11 that are sleeved on the shaft core 6 and located on both sides of the bearing 8, so that both sides of the bearing can be clamped and fixed. The shaft core 6 is provided with a through hole in the axial direction, which can reduce the quality of the shaft core and reduce wasteful power loss during operation.

The shaft core fixed seat 5 is provided with a guide bar 51 in the axial direction that matches the guide groove 62 provided on the surface of the shaft core 6. Through the cooperation between the guide groove and the guide bar, the relationship between the shaft core and the shaft core fixed seat can be ensured during operation. No relative rotation occurs between them, and at the same time, the friction between the shaft core and the shaft core fixed seat is reduced during the assembly process.

Since the inside of the installation cavity cannot be observed during assembly, blind installation is required to avoid the problem of being easily stuck when deviations occur due to small fitting gaps during the installation process, thereby improving installation efficiency. Therefore, a guide structure is provided in the installation cavity, and the guide structure is provided with a first cavity 1A and a second cavity 1B from the end inward, wherein the diameter of the first cavity is larger than the diameter 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 third cavity wall forms an annular guide slope 12 . The angle of inclination of the annular guide slope is 5-15 degrees.

If necessary, the cleaning tool also includes a motor connected to the cleaning head through a universal shaft connector. A bearing that cooperates with the annular guide slope is provided between the universal shaft connector and the cleaning drum bracket, that is, the outer ring of the bearing is provided with It has a structure consistent with the annular guide slope, which can avoid installation jamming caused by deviations during the installation process when the degree of coordination is large.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions of the foregoing embodiments. The recorded technical solutions may be modified, or some of the technical features may be equivalently replaced, but these modifications or substitutions shall not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of each embodiment of the present invention.

Claims

A detachable cleaning roller includes a roller support provided with a roller sponge. The roller support is provided with a mounting seat. One side of the mounting seat is axially provided with an installation cavity extending to the end of the roller support. The mounting seat is in the installation cavity. A connecting shaft structure is provided on one side of the cavity, and the characteristic is that a detachable telescopic transmission mechanism is provided axially on the other side of the mounting base.
The detachable cleaning roller according to claim 1, characterized in that the telescopic transmission mechanism includes a shaft core fixed seat and a shaft core passing through the shaft core fixed seat, and a shaft core with one end of the shaft core fixed to the shaft core fixed seat. sleeve, between the shaft core sleeve and the shaft core fixation is provided an elastic component that allows the shaft core to extend outwards, a limiting structure is provided between the shaft core and the shaft core fixed seat, and the shaft core extends out of the shaft core One end of the fixed seat is provided with a bearing, and the outer ring of the bearing is provided with a key cover.
The detachable cleaning roller according to claim 2, characterized in that the elastic component includes a telescopic spring, which is sleeved on the shaft core between the shaft core fixing seat and the shaft core sleeve to cause the shaft core to extend outwards. Directional movement trend.
The detachable cleaning roller according to claim 2, wherein the end of the key cover is provided with an anti-rotation structure to prevent rotation.
The detachable cleaning roller according to claim 4, wherein the anti-rotation structure includes at least one flat surface on the axial side.
The detachable cleaning roller according to claim 2, characterized in that the telescopic transmission mechanism further includes a bearing holder and a bearing pressure block that are sleeved on the shaft core and located on both sides of the bearing.
7. The detachable cleaning roller according to claim 2, wherein the shaft core is provided with a through hole in the axial direction.
8. The detachable cleaning roller according to claim 2, wherein 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.
9. The detachable cleaning roller according to claim 2, wherein a guide structure is provided in the installation cavity.
10. The detachable cleaning roller according to claim 9, wherein the guide structure is provided with a first cavity and a second cavity inwardly from the end, wherein the diameter of the first cavity is larger than the diameter of the second cavity. .
11. The detachable cleaning roller according to claim 10, characterized in that a third cavity with a gradually decreasing diameter is provided between the first cavity and the second cavity, and the third cavity wall forms an annular guide slope. .
The detachable cleaning roller according to claim 11, characterized in that the annular guide slope is inclined at an angle of 5-15 degrees.
The detachable cleaning roller according to claim 1, characterized in that the connecting shaft structure includes at least two limiting grooves arranged in the circumferential direction, and a guide slope is provided on the end surface between each positioning groove.
The detachable cleaning roller according to claim 4, wherein the limiting grooves are evenly distributed along the circumferential direction.
The detachable cleaning roller according to claim 14, characterized in that the number of the limiting grooves is three or four.
A cleaning tool includes a cleaning head, and the cleaning head is provided with a detachable cleaning roller, characterized in that the detachable cleaning roller has the detachable cleaning roller according to any one of claims 1-16.
The cleaning tool according to claim 16, characterized in that the cleaning tool further includes a motor connected to the cleaning head through a universal shaft connector, and an annular guide slope is provided between the universal shaft connector and the cleaning roller bracket. Matching bearings.