Water distributor and cleaning device having same

Abstract

The present application relates to a water distributor and a cleaning device having same. The water distributor comprises a water inlet and at least two levels of flow distribution pipes. The water inlet is in communication with the flow distribution pipes, and a bifurcated pipe is provided between two adjacent levels of flow distribution pipes. The extension direction of the bifurcated pipe is substantially perpendicular to the flow distribution pipes. A buffer structure is provided in the bifurcated pipe, and the buffer structure is used for reducing the kinetic potential energy of water flowing through the bifurcated pipe. The buffer structure is located close to an inlet at which the upper level of flow distribution pipes is in communication with the bifurcated pipe.

Description

A water distributor and a cleaning device having the same. Cross-references to related applications

[0001] This disclosure claims priority to Chinese Patent Application No. 202510026526.5, filed on January 6, 2025, which is incorporated herein by reference in its entirety. Technical Field

[0002] This application relates to the field of cleaning appliance technology, specifically to a water distributor and a cleaning device having a water distributor. Background Technology

[0003] With the rapid development of technology and the significant improvement of people's living standards, cleaning equipment such as floor scrubbers have become indispensable cleaning tools for modern homes and offices. Summary of the Invention

[0004] This application provides a water distributor, including: an inlet and at least two levels of branch pipes;

[0005] The inlet is connected to the diversion pipe. A secondary diversion pipe is provided between two adjacent levels of diversion pipes. The angle between the extension direction of the secondary diversion pipe and the diversion pipe is 90°±Δ, where Δ is a predetermined deviation. A buffer structure is provided inside the secondary diversion pipe to reduce the kinetic potential energy of the water flowing through the secondary diversion pipe.

[0006] The buffer structure is located near the inlet where the upper-level branch pipe connects to the two branch pipes.

[0007] Furthermore, the buffer structure is a groove recessed to one side relative to the inner wall of the bi-channel pipe, and the recessed direction of the groove is the same as the movement direction of the water flow diverted from the upper-level diversion pipe.

[0008] Furthermore, the groove is at least one of circular, semi-circular, elliptical, rectangular, and trapezoidal shapes.

[0009] Furthermore, the curvature of the grooves in the bi-channels at each level decreases progressively.

[0010] Furthermore, the bi-branch pipe is located in the middle of the next-level branch pipe, so as to divide the next-level branch pipe into two branch pipes at equal intervals.

[0011] Furthermore, the cross-sectional area of ​​the diversion pipes at each level decreases progressively.

[0012] Furthermore, both of the branch pipes of the bottommost branch pipe are provided with a tightening structure near their outlets.

[0013] Furthermore, the tightening structure includes a tapered structure that gradually narrows toward the outlet directions of the two branch pipes.

[0014] Furthermore, the tightening structure includes at least one stepped structure provided on both sides of the branch pipe.

[0015] Furthermore, the water distributor also includes multiple water outlets, which are connected to the outlets of the branch pipes of the lowest-level branch pipe.

[0016] Furthermore, the buffer structure is a buffer pad that fits tightly against the inner wall of the bi-channel.

[0017] Furthermore, the buffer pad is capable of deformation when impacted by water flow.

[0018] Furthermore, the water distributor also includes a fluid resistance element disposed within the two-way pipe to increase the resistance when water flows through.

[0019] Furthermore, the fluid resistance element includes a flow-limiting orifice plate.

[0020] This application provides a water distributor, including: an inlet and at least two levels of branch pipes;

[0021] The inlet is connected to the diversion pipe, and a secondary diversion pipe is provided between two adjacent levels of diversion pipes. The angle between the extension direction of the secondary diversion pipe and the diversion pipe is 90°±Δ, where Δ is a predetermined deviation. The cross-sectional area of ​​each level of diversion pipe decreases progressively.

[0022] This application provides a water distributor, including: an inlet and at least two levels of branch pipes;

[0023] The inlet is connected to the diversion pipe. A two-way pipe is provided between two adjacent levels of diversion pipes. The angle between the extension direction of the two-way pipe and the diversion pipe is 90°±Δ, where Δ is a predetermined deviation. The lowest level diversion pipe has a tightening structure near its outlet.

[0024] Furthermore, the tightening structure includes at least one stepped structure disposed on both sides of the bottommost diversion pipe.

[0025] Furthermore, the tightening structure includes a tapered structure that gradually narrows towards the outlet of the lowest-level diversion pipe.

[0026] Furthermore, the bi-branch pipe is located in the middle of the next-level branch pipe to divide the next-level branch pipe into two branch pipes at equal intervals, and the two branch pipes of the bottommost branch pipe are provided with the tightening structure near their outlets.

[0027] This application also provides a cleaning device, including a roller brush assembly, the roller brush assembly including a clean water pipe, a roller brush and the aforementioned water distributor, the water distributor being connected to the clean water pipe and uniformly guiding the water flow onto the roller brush. Attached Figure Description

[0028] To more clearly illustrate the technical solutions of this application, the accompanying drawings used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0029] Figure 1 is a structural view of a water distributor according to this application;

[0030] Figure 2 is a rear structural view of a water distributor according to this application;

[0031] Figure 3 is a view of the diversion pipe of the water distributor of this application;

[0032] Figure 4 is a view of the diversion pipe with a buffer structure in this application;

[0033] Figure 5 is a view of the diversion pipe with buffer structure and stepped structure of this application;

[0034] Figure 6 is a simplified model of the water distributor's diversion pipe in this application;

[0035] Figure 7 is a line graph showing the water flow statistics at each outlet of the conventional diversion pipeline and the diversion pipeline of this application;

[0036] Figure 8 shows the diversion effect of waterway simulation using a conventional diversion pipeline model;

[0037] Figure 9 is a diagram showing the diversion effect of the waterway simulation of the diversion pipeline model in this application.

[0038] In the figure, the corresponding labels are: inlet 1, branch pipe 2, two-way pipe 3, buffer structure 31, branch branch pipe 4, stepped structure 51, and outlet 6. Detailed Implementation

[0039] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0040] In the description of this application, it should be understood that the terms "upper," "lower," "inner," "outer," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or regarding the vertical, perpendicular, or gravitational direction of the component itself. These terms are used only for the convenience of describing this application and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature.

[0041] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for descriptive purposes only and is not intended to limit the scope of this application. Terms such as “part” or “component” appearing herein can refer to a single part or a combination of multiple parts. Terms such as “installation,” “setup,” and “connection” appearing herein should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can indicate that one component is directly attached to another component or that one component is attached to another component via an intermediate component; they can refer to the internal connection of two elements. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. A feature described in one embodiment herein may be applied alone or in combination with other features to another embodiment, unless that feature is not applicable in that other embodiment or is otherwise stated.

[0042] To improve cleaning effectiveness, floor scrubbers are typically equipped with a water spray system, which sprays water onto the floor in conjunction with a brush or roller. However, traditional water spray systems often suffer from uneven water distribution, affecting the cleaning effect and efficiency.

[0043] The following describes a water distributor provided in an embodiment of this application, with reference to Figures 1-5, including: an inlet 1 and at least two levels of diversion pipes 2;

[0044] Inlet 1 is connected to diversion pipe 2. A secondary diversion pipe 3 is installed between two adjacent diversion pipes 2, and the extension direction of the secondary diversion pipe 3 is generally perpendicular to that of the diversion pipe 2. A buffer structure 31 is installed within the secondary diversion pipe 3 to reduce the kinetic potential energy of the water flowing through it. Here, "the extension direction of the secondary diversion pipe 3 is generally perpendicular to that of the diversion pipe 2" means that the angle between the extension direction of the secondary diversion pipe 3 and the diversion pipe 2 is 90° ± Δ, where Δ is an allowable predetermined deviation. For example, Δ can be 3°, 5°, etc., and the specific value can be determined according to the situation. Furthermore, "generally perpendicular" mentioned below has a similar meaning.

[0045] The buffer structure 31 is located near the inlet where the upper-level branch pipe 2 connects to the two-way pipe 3.

[0046] Inlet 1 connects to the top-level branch pipe 2 to receive and introduce water flow. Adjacent branch pipes 2 are connected by a two-way branch pipe 3, whose extension direction is generally perpendicular to the branch pipe 2, to achieve water flow diversion and direction change. A buffer structure 31 is installed at the inlet where the branch pipe 2 connects to the two-way branch pipe 3, to reduce the kinetic potential energy of the water flow diverted from the upper-level branch pipe 2, mitigate the impact force during diversion, allow the water to flow naturally to the lower-level branch pipe 2, and achieve more uniform distribution during the diversion process. This improves the uniformity of water flow distribution and avoids problems such as poor cleaning effect caused by uneven water flow distribution.

[0047] In one possible implementation, the bi-branch pipe 3 is located in the middle of the next-level branch pipe 2, dividing the next-level branch pipe 2 into two equally spaced branch pipes 4. This equally spaced bi-branch design enhances the uniform distribution of water flow, ensuring that each branch pipe 4 receives an equal flow rate, thereby improving the overall water flow distribution efficiency. However, this application is not limited to this. The bi-branch pipe 3 can also divide the next-level branch pipe 2 into two non-equally spaced branch pipes 4.

[0048] Furthermore, the water distributor also includes multiple outlets 6, which are connected to the outlets of the branch pipes 4 of the bottommost branch pipe 2.

[0049] The water distributor of this application includes four levels of diversion pipes 2, wherein there are two second-level diversion pipes 2, which are connected by two diversion pipes 3 between the first level and the second level; there are four third-level diversion pipes 2; and there are 16 fourth-level diversion pipes, namely diversion branch pipes 4, the outlet of which is connected to the outlet 6.

[0050] In one possible implementation, as shown in Figure 4, the buffer structure 31 can be a groove structure recessed to one side relative to the inner wall of the bi-channel pipe 3. The direction of the recess is the same as the direction of water flow from the upper-level diversion pipe 2. The groove structure can effectively slow down the flow velocity of water flowing in from the upper-level diversion pipe 2, reduce the impact of water flow on the inner wall of the bi-channel pipe 3, and allow water to flow naturally to the lower-level diversion pipe 2, achieving a more uniform distribution during the diversion process. In practical applications, buffer structures 31 of different shapes and sizes can be selected according to specific needs, such as circular, semi-circular, elliptical, rectangular, or trapezoidal shapes. These different shaped buffer structures 31 can all reduce the kinetic potential energy of the water flow to a certain extent and guide the water flow to naturally decelerate along the shape of the groove. In one possible implementation, the groove shape in the upper-level bi-channel pipe 3 is circular, and the groove shape in the lower-level bi-channel pipe 3 is elliptical. As the diversion levels increase, the water flow has undergone multiple distributions and decelerations, and the curvature of the groove can be reduced accordingly. The groove structure of this application is a semi-circular arc structure. In actual operation, the specific arc size can be iteratively deduced based on the size of the diversion pipe and the size of the water flow, combined with simulation tools, to achieve a better water uniformity effect.

[0051] In another possible implementation, the buffer structure 31 can be configured as a buffer pad that fits tightly against the inner wall of the bi-channel pipe 3. The buffer pad can be made of materials such as rubber, silicone, or sponge. When water flows and impacts the buffer pad, the buffer pad will deform, thereby absorbing the kinetic energy of the water flow and reducing its kinetic potential energy.

[0052] In another possible implementation, a fluid resistance element, such as a flow-limiting orifice plate, can be provided in the bisection pipe 3 to reduce the kinetic potential energy of the water flow by increasing the resistance when the water flows through.

[0053] Furthermore, the cross-sectional area of ​​each level of the diversion pipe 2 decreases progressively.

[0054] In practical applications, if the width of each level of the diversion pipe 2 is the same, under a constant flow rate, the water pressure and flow rate in the individual pipes at lower levels will decrease. This decrease in pressure and flow rate can easily lead to the formation of air bubbles in the water path, thus affecting the water uniformity and further impacting the stability and cleaning effect of the water flow. Therefore, by progressively decreasing the cross-sectional area of ​​each level of diversion pipe 2, the cross-sectional area of ​​the inlet can be made as close as possible to or larger than the cross-sectional area of ​​the final level of the outlet diversion pipe. This not only ensures the stability of the water flow but also improves the uniformity of the flow rate at the outlet. In one possible implementation, flow distribution calculations can be performed based on the total flow rate of the inlet 1, the required number of diversion levels, and the required flow rate of each level. Based on the calculation results, the cross-sectional area of ​​each level of diversion pipe 2 is determined, ensuring that starting from the inlet 1, the cross-sectional area of ​​each level of diversion pipe is smaller than the previous level, while the total flow rate remains unchanged.

[0055] In another possible implementation, the lowest-level branch pipe 2 has a tightening structure near its outlet. The tightening structure includes at least one stepped structure (51) on both sides of the lowest-level branch pipe (2). Alternatively, the tightening structure includes a tapered structure that gradually narrows towards the outlet of the lowest-level branch pipe (2). Specifically, both branch pipes 4 of the lowest-level branch pipe 2 have tightening structures near their outlets. The tightening structure includes tapered structures that gradually narrow towards the outlets of the two branch pipes 4, respectively. This gradual transition design and appropriate cross-sectional shape selection help reduce turbulence and eddies generated when the cross-sectional area changes, thereby reducing pressure loss. In another implementation, as shown in FIG5, the tightening structure includes at least one stepped structure 51 on both sides of the branch pipe 4. The at least one stepped structure 51 can be a rectangular protrusion on the pipe wall. When water flows through the stepped structure, the velocity is accelerated at the step due to the sudden reduction in cross-sectional area, reducing the formation of local low-velocity regions, reducing the generation of bubbles at the end of the branch pipe 4, and improving the stability of the water flow.

[0056] Implementing the embodiments of this application has the following beneficial effects:

[0057] The water distributor of this application has a buffer structure at the inlet where the upper-level diversion pipe connects to the two-level diversion pipe. This structure is used to reduce the kinetic potential energy of the water flow from the upper-level diversion pipe, reduce the impact force of the water flow during diversion, and allow the water flow to flow naturally to the lower-level diversion pipe. This also achieves a more uniform distribution during the diversion process, thus improving the uniform distribution effect of the water flow.

[0058] The water distributor adopts a multi-level diversion pipe structure. Through the step-by-step diversion and buffer structure, it realizes the uniform distribution and efficient utilization of water flow. This ensures that the water flow can be distributed to different areas of the roller brush at the most suitable speed and pressure, ensuring that the roller brush remains moist and has cleaning power throughout the cleaning process. This avoids the problem of poor cleaning effect caused by local dryness or excessive wetness, improves the cleaning efficiency of the cleaning device, and makes the cleaning process faster and more thorough.

[0059] Figure 6 shows a simplified model of the water distributor's branch pipe. A water circuit simulation experiment was conducted on the simplified water distributor's branch pipe model. The outlets of the branch pipe 4 of the lowest branch pipe 2 in the model were set from left to right as zone 1 to zone 16. The water flow velocity at the inlet was 200 ml / min.

[0060] As shown in Figure 7, the simulation results show line graphs of water flow statistics at each outlet of the conventional diversion pipe and the diversion pipe with buffer structure in this application. It is clear that the water flow at each outlet of the diversion pipe with buffer structure in this application is more uniform, the diversion is more even, and there is a significant improvement in water uniformity. The conventional diversion pipe is a diversion pipe without a buffer structure in the two-stage diversion pipe.

[0061] The table below shows the statistical results of the water flow rates at each outlet of a conventional diversion pipe and a diversion pipe with a buffer structure as described in this application. The statistical results show that the water flow rates at each outlet of the diversion pipe with the buffer structure as described in this application are more uniform.

[0062] Figure 8 shows the flow diversion effect of a conventional diversion pipe model in water circuit simulation, and Figure 9 shows the flow diversion effect of the diversion pipe model of this application in water circuit simulation. As shown in Figure 8, the rounded corners at the arrows in the conventional diversion pipe model make the original flow direction of the water smoother, which can easily lead to uneven distribution of the water flow from left to right. As shown in Figure 9, the diversion pipe model of this application adds a buffer structure, which reduces the inertia of the water flow in the previous section. The extension direction of the two-way pipe is roughly perpendicular to the diversion pipe, making the diversion more uniform. The simulation lines representing the water flow in Figure 9 are more evenly distributed at each outlet.

[0063] This application also provides a cleaning device, including a roller brush assembly. The roller brush assembly includes a clean water pipeline, a roller brush, and a water distributor. The water distributor is connected to the clean water pipeline and guides the water flow evenly onto the roller brush.

[0064] The water distributor employs a multi-level diversion pipe structure. Through step-by-step diversion and buffering, it achieves uniform water distribution and efficient utilization, ensuring that water is distributed to different areas of the roller brush at the most suitable speed and pressure. This ensures that the roller brush remains moist and effective throughout the cleaning process, avoiding poor cleaning results caused by localized dryness or over-wetting. This improves cleaning efficiency, making the cleaning process faster and more thorough.

[0065] Obviously, the embodiments described above are merely some of the embodiments in this specification, and not all of them. Based on the embodiments in this specification, those skilled in the art can make other variations or modifications without creative effort, and all such variations should fall within the scope of protection of the embodiments in this specification.

[0066] Other embodiments of the embodiments disclosed herein will readily occur to those skilled in the art upon consideration of the specification and practice of the methods disclosed herein. This specification is intended to cover any variations, uses, or adaptations of the embodiments thereof that follow the general principles of the embodiments thereof and include common knowledge or customary techniques in the art not disclosed in the embodiments thereof. The specification and embodiments are to be considered exemplary only, and the true scope and spirit of the embodiments thereof are indicated by the following claims.

[0067] It should be understood that the embodiments described herein are not limited to the precise structures already described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from their scope. The scope of the embodiments described herein is limited only by the appended claims.

Claims

1. A water segregator comprising: Inlet (1) and at least two levels of branch pipes (2); The inlet (1) is connected to the diversion pipe (2), and a two-way pipe (3) is provided between two adjacent levels of diversion pipes (2). The angle between the extension direction of the two-way pipe (3) and the diversion pipe (2) is 90°±Δ, where Δ is a predetermined deviation. A buffer structure (31) is provided inside the two-way pipe (3). The buffer structure (31) is used to reduce the kinetic potential energy of the water flowing through the two-way pipe (3). The buffer structure (31) is located near the inlet where the upper-level branch pipe (2) connects to the bi-branch pipe (3).

2. The water distributor according to claim 1, wherein the buffer structure (31) is a groove recessed to one side relative to the inner wall of the two-way pipe (3), and the direction of the recessed deformation of the groove is the same as the direction of movement of the water flow diverted from the upper-level diversion pipe (2).

3. The water distributor according to claim 2, wherein the cross-section of the groove is at least one of a circle, a semi-circle, an ellipse, a rectangle, and a trapezoid.

4. The water distributor according to claim 2, wherein the curvature of the groove in the two-way pipe (3) in each level decreases progressively.

5. The water distributor according to any one of claims 1 to 4, wherein the bi-branch pipe (3) is disposed in the middle of the next-level branch pipe (2) to divide the next-level branch pipe (2) into two branch pipes (4).

6. The water distributor according to any one of claims 1 to 5, wherein the cross-sectional area of ​​each level of the diversion pipe (2) decreases progressively.

7. The water distributor according to claim 5, wherein the two branch pipes (4) of the bottommost branch pipe (2) are provided with a tightening structure near their outlets.

8. The water distributor according to claim 7, wherein the tightening structure comprises a tapered structure that gradually narrows toward the outlets of the two branch pipes (4).

9. The water distributor according to claim 7, wherein the tightening structure includes at least one stepped structure (51) provided on both sides of the branch pipe (4).

10. The water distributor according to claim 5 further includes a plurality of water outlets (6), wherein the water outlets (6) are connected to the outlets of the branch pipes (4) of the bottommost branch pipe (2).

11. The water distributor according to any one of claims 1 to 10, wherein the buffer structure (31) is a buffer pad that fits tightly against the inner wall of the two-way pipe (3).

12. The water distributor according to claim 11, wherein the buffer pad is capable of deformation when impacted by water flow.

13. The water distributor according to claim 1 further includes a fluid resistance element disposed in the two-way pipe (3) to increase the resistance when water flows through.

14. The water distributor according to claim 13, wherein the fluid resistance element comprises a flow-limiting orifice plate.

15. A water segregator comprising: Inlet (1) and at least two levels of branch pipes (2); The inlet (1) is connected to the diversion pipe (2), and a two-way pipe (3) is provided between two adjacent levels of diversion pipes (2). The angle between the extension direction of the two-way pipe (3) and the diversion pipe (2) is 90°±Δ, where Δ is a predetermined deviation. The cross-sectional area of ​​each level of the diversion pipe (2) decreases progressively.

16. A water segregator comprising: Inlet (1) and at least two levels of branch pipes (2); The inlet (1) is connected to the diversion pipe (2), and a two-way pipe (3) is provided between two adjacent levels of diversion pipes (2). The angle between the extension direction of the two-way pipe (3) and the diversion pipe (2) is 90°±Δ, where Δ is a predetermined deviation. The lowest-level branch pipe (2) has a tightening structure near its outlet.

17. The water distributor according to claim 16, wherein the tightening structure includes at least one stepped structure (51) provided on both sides of the bottommost diversion pipe (2).

18. The water distributor according to claim 16, wherein the tightening structure comprises a tapered structure that gradually narrows toward the outlet of the bottommost diversion pipe (2).

19. The water distributor according to claim 16, wherein the two-way pipe (3) is disposed in the middle of the next-level diversion pipe (2) to divide the next-level diversion pipe (2) into two diversion branch pipes (4), and the two diversion branch pipes (4) of the bottommost diversion pipe (2) are provided with the tightening structure near their outlets.

20. A cleaning device, characterized by The invention includes a roller brush assembly, which comprises a clean water pipeline, a roller brush, and a water distributor as described in any one of claims 1-19, wherein the water distributor is connected to the clean water pipeline and uniformly guides the water flow onto the roller brush.

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