CN216984756U - Self-cleaning piece and roller assembly - Google Patents

Abstract

The utility model provides a self-cleaning piece and a roller assembly, wherein the self-cleaning piece comprises a water injection structure and an extrusion structure connected below the water injection structure, and the water injection structure is configured to inject clean water into a roller; the extrusion structure comprises a flow guide part and an extrusion part, and the flow guide part is arranged between the water injection structure and the extrusion part; the squeezing part is connected with the roller in an interference fit manner and is configured to squeeze moisture on the roller and block flow to the flow guide part for leading out. Compared with the prior art, the automatic water-squeezing roller has the functions of introducing clean water and squeezing out water, is beneficial to simplifying the structure, can ensure that the roller is not easy to be over wet, and the ground is dry and not easy to have water stains after being dragged by the roller, realizes the self-cleaning effect of the roller, and improves the use experience of users.

Description

Self-cleaning piece and roller assembly

Technical Field

The utility model relates to the technical field of cleaning, in particular to a self-cleaning piece and a roller assembly.

Background

The cleaning device can assist a user in cleaning the floor. Cleaning equipment is carrying out cleaning, need be constantly to the cylinder water spray, and the cylinder is too wet, and water stain can all appear everywhere on ground, can cause the excessive humidity in ground, has greatly reduced user's use and has experienced. In addition, after the drum works for a period of time, the drum is dirty, a new drum needs to be replaced, and the replacement cost is high.

In the prior art, the independently arranged water squeezing ribs and the water guide ribs are adopted to respectively realize the functions of leading in clear water and leading out sewage on the roller, so that the self-cleaning function of the roller is realized and the roller is not easy to be over wet, but the water squeezing ribs and the water guide ribs are arranged separately, so that the structure is not easy to simplify.

Accordingly, there is a need for a self-cleaning member and a roller assembly that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-cleaning piece and a roller assembly, so that a roller is not easy to be too wet, the self-cleaning effect of the roller is realized, and the structure is simplified.

In order to achieve the above object, the present invention provides a self-cleaning member applied to a cleaning roller, including a water injection structure and a pressing structure connected below the water injection structure, wherein the water injection structure is configured to inject clean water onto the roller; the extrusion structure comprises a flow guide part and an extrusion part, and the flow guide part is arranged between the water injection structure and the extrusion part; the squeezing part is configured to be in interference fit with the roller and squeeze moisture on the roller, and blocks the flow until the flow guide part is led out.

As a further improvement of the utility model, at least part of the rear surface of the flow guide part is recessed forward relative to the rear surface of the water injection structure, and at least part of the rear surface of the extrusion part is protruded backward relative to the rear surface of the flow guide part.

As a further improvement of the present invention, the rear surface of the pressing portion does not protrude rearward beyond the rear surface of the water filling structure.

As a further improvement of the utility model, a plurality of water injection holes are arranged on the water injection structure, a plurality of diversion grooves are arranged on the diversion part, and the extension size of the diversion grooves along the vertical direction is larger than that of the water injection holes along the vertical direction.

As a further improvement of the present invention, the diversion trench extends downward to the extrusion part.

As a further improvement of the utility model, the water injection holes and the diversion trenches are arranged in plurality and are arranged at intervals along the left-right direction.

As a further improvement of the utility model, the number of the water injection holes is less than that of the diversion trenches.

As a further improvement of the utility model, the distance between the adjacent water injection holes is larger than the distance between the adjacent diversion trenches.

As a further improvement of the utility model, the inner diameter of the water injection hole is gradually reduced along the water outlet direction.

As a further improvement of the present invention, a dimension of the guide groove in the left-right direction is larger than a minimum dimension of the water injection hole in the left-right direction and smaller than a maximum dimension of the water injection hole in the left-right direction.

As a further improvement of the utility model, a distance is arranged between the lowest point of the water injection hole and the junction of the water injection structure and the extrusion structure.

As a further improvement of the utility model, the projection of the pressing structure in the left-right direction of the self-cleaning member is "S" shaped.

As a further improvement of the utility model, the side wall of the flow guide part close to the roller is of an arc structure, and the radian of the arc structure is matched with the circular surface of the roller.

As a further improvement of the present invention, the arc-shaped structure includes a first curved surface structure and a second curved surface structure, the second curved surface structure is disposed below the first curved surface structure, and the curvature of the second curved surface structure is greater than the curvature of the first curved surface structure.

As a further improvement of the present invention, a first end of the guiding groove is connected to a boundary between the second curved surface structure and the extrusion portion.

As a further improvement of the present invention, the second end of the diversion trench is connected to the junction of the first curved surface structure and the water injection structure.

In order to further achieve the above object, the present invention further discloses a drum assembly for a cleaning device, comprising a drum, a diversion casing and the self-cleaning member, wherein the diversion casing is arranged on one side of the self-cleaning member far away from the drum and is fixedly connected with the self-cleaning member, and the diversion casing is configured to receive squeezed moisture from the self-cleaning member.

As a further improvement of the utility model, the roller is configured to rotate relative to the self-cleaning piece from top to bottom.

The utility model has the beneficial effects that: according to the roller assembly, the water injection structure and the extrusion structure positioned below the water injection structure are arranged, so that external clean water can be introduced to the roller by the water injection structure, the roller is wetted, the flow guide part is arranged between the water injection structure and the extrusion part, the extrusion part can extrude water on the roller and prevent the water from flowing to the flow guide part and being guided out, and meanwhile, the functions of introducing the clean water and extruding the water are achieved, so that the structure is simplified, and the roller is not easy to be excessively wet.

Drawings

Fig. 1 is a schematic view showing the construction of a self-cleaning member according to a preferred embodiment of the present invention.

Fig. 2 is a schematic view of another angle of fig. 1.

Fig. 3 is a cross-sectional view of fig. 1.

Fig. 4 is a partially enlarged view of a circled portion of fig. 1.

Fig. 5 is a schematic view of the arrangement relationship of the self-cleaning member and the roller.

Fig. 6 is a schematic view of the construction of a drum assembly according to a preferred embodiment of the present invention.

Fig. 7 is a structural schematic view of the guide casing.

Fig. 8 is a schematic structural view of a cleaning apparatus according to a preferred embodiment of the present invention.

Fig. 9 is a schematic view showing a connection relationship between the drum assembly and the clean water pipe, the clean water tank, the sewage pipe, and the sewage tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure.

In the description of the present invention, it is to be understood that the terms "below" and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In addition, when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, unless otherwise defined, the terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

Referring to fig. 1 to 4, a self-cleaning member 1 according to a preferred embodiment of the present invention includes a water filling structure 11 and a pressing structure 12 connected below the water filling structure 11, wherein the water filling structure 11 is configured to fill fresh water onto a drum 2. The squeezing structure 12 includes a flow guide portion 121 and a squeezing portion 122, the flow guide portion 121 is disposed between the water injection structure 11 and the squeezing portion 122, and the squeezing portion 122 is configured to be in interference fit with the drum 2 and squeeze moisture on the drum 2, and blocks the flow until the flow guide portion 121 is led out. The utility model realizes the functions of leading in clear water and extruding out water (clear water or sewage) simultaneously by arranging the water injection structure 11 and the extrusion structure 12, is beneficial to the simplification of the structure, and can ensure that the roller 2 is not easy to be over wet so as to avoid influencing the mopping effect.

Referring to fig. 3, the water injection structure 11 is provided with a plurality of water injection holes 111 for introducing clean water. Preferably, the inner diameter of the water injection hole 111 is gradually decreased in the water discharge direction, so that the pressure of the water flow is gradually increased, thereby increasing the flow rate of the fresh water, thereby maximally spraying the fresh water on the drum 2 to wet the drum 2. In addition, a distance is arranged between the lowest point of the water injection hole 111 and the boundary of the water injection structure 11 and the extrusion structure 12, so that the diversion trench 1213 and the water injection hole 111 can be well separated.

As shown in fig. 4, the side wall of the diversion part 121 close to the drum 2 is an arc-shaped structure, and the radian of the arc-shaped structure is matched with the circular surface of the drum 2, compared with a vertical structure, the arc-shaped structure can effectively shorten the distance between the side wall and the surface of the drum 2, so that the extruded moisture is quickly guided into the diversion groove 1213, and the moisture guiding efficiency is improved. In a preferred embodiment, the curved structure includes a first curved structure 1211 and a second curved structure 1212, and the first curved structure 1211 is adapted to the curved surface of the roller 2. The second curved structure 1212 is disposed below the first curved structure 1211, and a curvature of the second curved structure 1212 is greater than a curvature of the first curved structure 1211. It will be appreciated that the greater the curvature, the greater the degree of curvature of the curve. Because the second curved surface structure 1212 is connected to the extrusion portion 122, the water choked by the extrusion portion 122 may reach the second curved surface structure 1212 first, and the water may be guided out by the second curved surface structure 1212 with a more curved curve.

In this embodiment, the side of the diversion part 121 close to the drum 2 is defined as the rear, and the side of the diversion part 121 far from the drum 2 is defined as the front. Then, at least a portion of the rear surface of the flow guide 121 is recessed forward with respect to the rear surface of the water filling structure 11, and at least a portion of the rear surface of the pressing portion 122 is protruded rearward with respect to the rear surface of the flow guide 121. That is, the extruding portion 122 protrudes relative to the flow guide portion 121, so that the extruding force can be increased, and the sewage extruded by the extruding portion 122 to the drum 2 stays in the flow guide portion 121 and is guided out through the flow guide portion 121. The rear surface of the pressing part 122 does not protrude rearward beyond the rear surface of the water injection structure 11 so that the pressing part 122 does not protrude too much, thereby ensuring smooth rotation of the drum 2.

Further, the diversion part 121 is provided with a plurality of diversion grooves 1213, and the diversion grooves 1213 extend downwards to the extrusion part 122, so that the export speed of the sewage is increased. Specifically, the first end of the flow guide groove 1213 is connected to the intersection between the second curved surface structure 1212 and the extrusion portion 122, and the moisture can be guided out of the flow guide groove 1213 when reaching the intersection. The second end of the diversion trench 1213 may or may not be connected to the junction of the first curved surface structure 1211 and the water injection structure 11, which is not limited in this application.

The water injection holes 111 and the diversion grooves 1213 are respectively and uniformly distributed in the length direction of the water injection structure 11 and the diversion part 121, thereby respectively achieving the uniformity of wetting of the drum 2 and the uniform derivation of moisture. The water injection structure 11 is equipped with outward flange and inward flange near water injection hole 111 department, and the inward flange encloses to establish and forms water injection hole 111, encloses between outward flange and the inward flange to establish and form the region of contracting limitedly for the internal diameter of water injection hole 111 reduces. The outer edge is formed to surround a size constituting the maximum size of the water injection hole 111, and the inner edge is formed to surround a size constituting the minimum size of the water injection hole 111. In this embodiment, the extension dimension of the diversion trenches 1213 in the up-down direction is greater than the extension dimension of the water injection holes 111 in the up-down direction, and the distance between adjacent water injection holes 111 is greater than the distance between adjacent diversion trenches 1213, thereby increasing the discharge speed of the sewage. In addition, on the rear surface of the guide part 121, the size of the guide groove 1213 in the left-right direction is larger than the minimum size of the water injection hole in the left-right direction and smaller than the maximum size of the water injection hole 111 in the left-right direction, and since the sewage has impurities, the size of the guide groove 1213 in this embodiment can pass smaller impurities while filtering larger impurities. The water injection holes 111 and the guide grooves 1213 are provided in plurality and spaced apart in the left-right direction (i.e., the longitudinal direction of the pressing part 122). The number of the water injection holes 111 is less than that of the baffle slots 1213, thereby further accelerating the discharge speed of the sewage. The specific size and number of the water injection holes 111 and the flow guide grooves 1213 can be set reasonably according to the actual size of the self-cleaning member 1, which is not further limited in this application.

The pressing portion 122 is connected with the roller 2 in an interference fit manner, and the effect is shown in fig. 5. Cylinder 2 is extruded by extrusion portion 122 when rotating, and on the one hand, extrusion portion 122 extrudes the local original sewage of cylinder 2, and then cylinder 2 can absorb water injection structure 11 better and supply new clear water that comes in to subsequent cleaning operation has not only guaranteed that ground is dragged comparatively dry, is difficult for having the water stain after wiping, but also has realized cylinder 2's automatically cleaning effect, has reduced cylinder 2's change number of times, has reduced cylinder 2's replacement cost. On the other hand, when the clean roller 2 rotates to the position where the water injection structure 11 is wetted by the clean water, the wetted part of the roller 2 continues to rotate, and when the wetted part reaches the extrusion part 122, part of the clean water extruded by the extrusion part 122 is led out to the diversion part 121, so that the roller 2 is not easy to be over-wetted, and the phenomenon that the roller 2 excessively takes the excessive water to the ground to cause the excessive wetting of the ground is avoided. The length of self-cleaning piece 1 is the same with the length of cylinder 2, and extrusion portion 122 can cover the whole length of cylinder 2, and extrusion portion 122 has extrusion and choked flow function simultaneously, and the effectual of water leakage is prevented. In other embodiments, the upper surface of the pressing part 122 has a higher height at an end close to the drum 2 than at an end far from the drum 2, that is, the pressing part 122 is disposed obliquely, so that the pressed moisture more easily falls into the baffle groove 1213.

Referring to fig. 3 in combination with fig. 5, preferably, the projection of the pressing structure 12 in the left-right direction of the self-cleaning member 1 (i.e. the width direction of the self-cleaning member 1) is "S" shaped. In other words, in the direction opposite to the advancing direction of the drum 2, the deflector 121 presents a concave configuration and the pressing portion 122 presents a convex configuration. The convex structure of the squeezing portion 122 may enable the squeezing portion 122 and the drum 2 to be connected in an interference fit manner, and the concave structure of the flow guide portion 121 may enable the squeezing portion 122 to squeeze and the choked water to be guided out through the flow guide portion 121.

The self-cleaning piece 1 can be made of stainless steel, and on one hand, the stainless steel has higher hardness and is not easy to deform, and can well extrude the moisture on the roller 2. On the other hand, the self-cleaning member 1 can be prevented from being corroded due to long-time water contact by utilizing the self-characteristics of the stainless steel, so that the service life of the self-cleaning member 1 is prolonged.

Referring to fig. 6-7 in combination with fig. 5, the present invention further provides a roller assembly 100 for a cleaning device 200, including the self-cleaning member 1, a roller 2 and a guiding housing 3, wherein the guiding housing 3 is disposed on a side of the self-cleaning member 1 away from the roller 2 and is fixedly connected to the self-cleaning member 1, and the guiding housing 3 is configured to receive the squeezed water from the roller 2 by the self-cleaning member 1, so as to ensure that the floor is dry after being dragged by the roller 2, and is not easily stained with water, and to achieve the self-cleaning effect of the roller 2.

The diversion shell 3 comprises a first hole 31, a second hole 32, a clean water tank 33 communicated with the first hole 31 and a sewage tank 34 communicated with the second hole 32, wherein the clean water tank 33 is arranged corresponding to the water injection hole 111, and the sewage tank 34 is arranged corresponding to the diversion groove 1213. The first hole 31 is communicated with an external clean water tank through an external clean water pipe, introduces clean water into the clean water tank 33, and injects the clean water into the drum 2 through the water injection hole 111 to wet the drum 2. Second hole 32 is through outside sewer pipe and outside sewage case intercommunication, the moisture that is extruded by extrusion portion 122 is water conservancy diversion to sewage tank 34 through guiding gutter 1213, then derive to outside sewage case through second hole 32, realize the collection of moisture, thereby guarantee that cylinder 2 is difficult for excessively wetting, ground is more dry after being dragged by cylinder 2, be difficult for having water stain, can also realize cylinder 2's automatically cleaning effect, the change number of times of cylinder 2 has been reduced, the replacement cost of cylinder 2 has been reduced, thereby user's use experience has been promoted.

The rotation direction of the drum 2 is such that the frictional force of the floor against the drum 2 is directed toward the advancing direction of the cleaning apparatus 200, i.e., the drum 2 rotates in the counterclockwise direction, the advancing resistance of the cleaning apparatus 200 can be reduced. In other embodiments, the drum 2 may also rotate in a clockwise direction.

It should be noted that the position of the self-cleaning element 1 is dependent on the direction of rotation of the drum 2. In this application, the drum 2 is rotated from top to bottom along the self-cleaning member 1. That is, in the embodiment in which the drum 2 rotates in the counterclockwise direction, the self-cleaning member 1 is disposed at the front side of the drum 2. In the embodiment in which the drum 2 is rotated in the clockwise direction, the self-cleaning member 1 is disposed at the rear side of the drum 2. With such an arrangement, during the rotation of the drum 2, at the pressing contact position of the drum 2 and the pressing portion 122 of the self-cleaning element 1, the circumferential surface of the drum 2 moves obliquely downward relative to the self-cleaning element 1, and the sewage on the drum 2 is squeezed out and flows into the sewage tank 34 of the diversion housing 3 after flowing into the diversion groove 1213, and then flows out to the second hole 32, so that the sewage on the drum 2 is guided out.

Wherein the roller 2 may be a roller 2 having a mopping or mopping function.

Referring to fig. 8-9 in conjunction with fig. 7, the present invention further provides a cleaning apparatus 200, which includes a cleaning apparatus body 4 and the roller assembly 100, wherein the cleaning apparatus body 4 is used for accommodating the roller assembly 100. A clean water pipe 5, a clean water tank 6, a sewage pipe 7 and a sewage tank 8 are arranged in the cleaning device main body 4, and two ends of the clean water pipe 5 are respectively communicated with the first hole 31 and the clean water tank 6 so as to introduce clean water onto the roller 2 to wet the roller 2. The two ends of the sewage pipe 7 are respectively communicated with the second hole 32 and the sewage tank 8, so that the water squeezed by the squeezing part 122 is led out into the sewage tank 8 through the second hole 32, and the water is collected. The cleaning device 200 is further provided with a clean water pump and a sewage pump which are respectively communicated with the clean water tank 6 and the sewage tank 8 to realize the suction function of clean water and sewage.

In summary, in the present invention, by arranging the water injection structure 11 and the extrusion structure 12 located below the water injection structure 11, the water injection structure 11 can introduce external clean water onto the drum 2, wet the drum 2, and the flow guide part 121 is arranged between the water injection structure 11 and the extrusion part 122, so that the extrusion part 122 can extrude moisture on the drum 2 and block the flow to the flow guide part 121 for exporting, and meanwhile, the present invention has functions of introducing clean water and extruding moisture, which is beneficial to the simplification of the structure, and can ensure that the drum 2 is not easy to be over wet. According to the roller assembly 100, water squeezed out by the self-cleaning piece 1 is temporarily stored in the flow guide shell 3, so that the ground is dry and is not easily soaked by water after being dragged by the roller 2, the self-cleaning effect of the roller 2 can be realized, the replacement frequency of the roller 2 is reduced, the replacement cost of the roller 2 is reduced, and the use experience of a user is improved.

The cleaning device 200 of the present invention includes, but is not limited to, a cleaning robot, wherein the cleaning robot may be any one of a sweeping robot, a sweeping and mopping integrated robot, or a mopping robot, and the present application is not limited thereto.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (18)

1. A self-cleaning piece is applied to a cleaning roller and is characterized in that: the water injection structure is configured to inject clean water onto the roller; the extrusion structure comprises a flow guide part and an extrusion part, and the flow guide part is arranged between the water injection structure and the extrusion part; the squeezing part is configured to be in interference fit with the roller and squeeze moisture on the roller, and blocks the flow until the flow guide part is led out.

2. A self-cleaning article as recited in claim 1, wherein: at least part of the rear surface of the flow guide part is sunken forwards relative to the rear surface of the water injection structure, and at least part of the rear surface of the extrusion part is protruded backwards relative to the rear surface of the flow guide part.

3. A self-cleaning article as recited in claim 2, wherein: the rear surface of the extrusion part does not exceed the rear surface of the water injection structure backwards.

4. A self-cleaning article as recited in claim 1, wherein: the water injection structure is provided with a plurality of water injection holes, the flow guide part is provided with a plurality of flow guide grooves, and the extension dimension of the flow guide grooves along the upper and lower directions is larger than that of the water injection holes along the upper and lower directions.

5. The self-cleaning article of claim 4, wherein: the diversion trench extends downwards to the extrusion part.

6. The self-cleaning article of claim 4, wherein: the water injection hole with the guiding gutter all is equipped with a plurality ofly and sets up along left right direction interval.

7. The self-cleaning article of claim 6, wherein: the number of the water injection holes is less than that of the diversion trenches.

8. The self-cleaning article of claim 6, wherein: the distance between the adjacent water injection holes is larger than the distance between the adjacent diversion trenches.

9. The self-cleaning article of claim 4, wherein: the inner diameter of the water injection hole is gradually reduced along the water outlet direction.

10. A self-cleaning article as recited in claim 9, wherein: the size of the diversion trench in the left-right direction is larger than the minimum size of the water injection hole in the left-right direction and smaller than the maximum size of the water injection hole in the left-right direction.

11. The self-cleaning article of claim 9, wherein: and a distance is reserved between the lowest point of the water injection hole and the junction of the water injection structure and the extrusion structure.

12. The self-cleaning article of claim 4, wherein: the projection of the extrusion structure in the left-right direction of the self-cleaning piece is S-shaped.

13. The self-cleaning article of claim 12, wherein: the lateral wall that water conservancy diversion portion is close to the cylinder is the arc structure, the radian of arc structure with the circular surface adaptation of cylinder.

14. The self-cleaning article of claim 13, wherein: the arc structure comprises a first curved surface structure and a second curved surface structure, the second curved surface structure is arranged below the first curved surface structure, and the curvature of the second curved surface structure is larger than that of the first curved surface structure.

15. The self-cleaning article of claim 14, wherein: and the first end of the flow guide groove is connected with the junction of the second curved surface structure and the extrusion part.

16. The self-cleaning article of claim 14, wherein: and the second end of the diversion trench is connected with the junction of the first curved surface structure and the water injection structure.

17. A roller assembly for a cleaning appliance, comprising: the self-cleaning device comprises a roller, a flow guide shell and the self-cleaning piece as claimed in any one of claims 1-16, wherein the flow guide shell is arranged on one side of the self-cleaning piece far away from the roller and is fixedly connected with the self-cleaning piece, and the flow guide shell is configured to receive water squeezed out of the roller by the self-cleaning piece.

18. The roller assembly of claim 17, wherein: the drum is configured to rotate from top to bottom relative to the self-cleaning member.

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