Spray head assembly of cleaning equipment, cleaning equipment and cleaning system

Abstract

The utility model discloses a nozzle assembly of cleaning equipment, the cleaning equipment and a cleaning system, the nozzle assembly comprises a nozzle main body, a water inlet waterway, a buffer cavity and a plurality of water outlet waterways are formed in the nozzle main body, the buffer cavity is connected between the water inlet waterway and the plurality of water outlet waterways, and the plurality of water outlet waterways are communicated with the buffer cavity. The water outlet waterway is used for spraying water to the cleaning piece; and the water uniformizing piece is arranged in the temporary storage cavity, so that water flow entering the temporary storage cavity passes through the water uniformizing piece and then uniformly flows to the multiple water outlet water paths. Therefore, through the arrangement of the spray head assembly, the difference of the flow and the flow speed of the water inlet waterway can be effectively relieved through the water uniformizing piece, so that the consistency of the flow and the flow speed of the water outlet waterways is guaranteed, the problems of large water stain residues and non-uniform water stain distribution on the cleaning surface are effectively reduced, and the water stain cleaning effect of the cleaning piece is improved.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment technology, and in particular to a nozzle assembly, cleaning equipment, and cleaning system for a cleaning device. Background Technology

[0002] As a type of household cleaning appliance, floor scrubbers are highly effective at removing stains, dust, and other dirt from floors. They have a wide range of applications and are suitable for cleaning different types of floors.

[0003] In related technologies, the water spray comb teeth of the roller brush are an important component of the roller brush of the floor scrubber. They are responsible for spraying water to wet the roller brush cloth during the rotation of the roller brush. Traditional water spray nozzles use a water pump to directly deliver water from the clean water tank to the roller brush through the water distribution channel. The unstable pumping pressure can easily lead to uneven distribution of water stains on the ground and large water stain residue. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. Therefore, one objective of this invention is to provide a nozzle assembly for a cleaning device that can effectively mitigate differences in flow rate and velocity in the inlet water path using a water equalization component, thereby ensuring consistency in flow rate and velocity across multiple outlet water paths, and effectively reducing the problems of large water stain residue and uneven water stain distribution on the cleaning surface.

[0005] This utility model further proposes a cleaning device.

[0006] This invention further proposes a cleaning system.

[0007] According to a first aspect of the present invention, a nozzle assembly for a cleaning device includes: a nozzle body having an inlet water passage, a buffer chamber, and multiple outlet water passages, the buffer chamber being connected between the inlet water passage and the multiple outlet water passages, the outlet water passages being used to spray water onto a cleaning component; and a water equalization component disposed within the buffer chamber to ensure that water entering the buffer chamber flows evenly to the multiple outlet water passages after passing through the water equalization component.

[0008] Therefore, by setting up this nozzle assembly, the difference in flow rate and velocity of the inlet water path can be effectively mitigated by the water equalization component, thereby ensuring the consistency of flow rate and velocity of multiple outlet water paths. This effectively reduces the problem of large water stains and uneven water stain distribution on the cleaning surface, and improves the water stain cleaning effect of the cleaning component.

[0009] In some examples of this utility model, the water distribution element is a water-absorbing element with water absorption properties.

[0010] In some examples of this utility model, the absorbent element includes absorbent cloth strips.

[0011] In some examples of this utility model, at least one side wall of the buffer cavity is provided with a compression protrusion protruding toward the absorbent.

[0012] In some examples of this utility model, the side of the extrusion protrusion facing the absorbent has a first inclined surface, and the absorbent has a second inclined surface corresponding to the first inclined surface.

[0013] In some examples of this utility model, the buffer chamber is elongated and extends along the length of the nozzle body, the water distribution element is elongated corresponding to the buffer chamber, and multiple water outlet channels are spaced apart along the length of the nozzle body.

[0014] In some examples of this utility model, a plurality of first communication ports are formed between the water inlet channel and the buffer chamber, and the plurality of first communication ports are spaced apart in the length direction of the nozzle body; a plurality of second communication ports are formed between the buffer chamber and the water outlet channel, and the plurality of second communication ports are spaced apart in the length direction of the nozzle body.

[0015] In some examples of this utility model, the number of the plurality of first connection ports is less than the number of the plurality of second connection ports.

[0016] In some examples of this utility model, the water inlet path includes: a first water inlet path; a plurality of second water inlet paths, each of the plurality of second water inlet paths being connected to the outlet end of the first water inlet path, and each second water inlet path being connected to at least two of the first communication ports.

[0017] In some examples of this utility model, the nozzle body includes: a nozzle cover; a nozzle cover plate, the nozzle cover plate being connected to the nozzle cover, and the nozzle cover plate and the nozzle cover together defining the water inlet passage, the buffer chamber and the water outlet passage.

[0018] In some examples of this utility model, one of the nozzle cover and the nozzle cover plate is provided with a first groove, a second groove, and a plurality of third grooves facing the other opening, and the second groove is connected between the first groove and the plurality of third grooves; the other of the nozzle cover and the nozzle cover plate is provided with a first protrusion, a second protrusion, and a plurality of third protrusions, the first protrusion is provided at the opening of the first groove and forms the water inlet channel with the first groove, the second protrusion is provided at the opening of the second groove and forms the buffer cavity with the second groove, and the plurality of third protrusions are respectively provided at the openings of the plurality of third grooves and form the water outlet channel with the third grooves.

[0019] In some examples of this utility model, the water outlet channel is constructed with a tapering section, the width of which decreases in the water outlet direction.

[0020] In some examples of this utility model, the nozzle body is provided with a water inlet, which is connected to the water inlet channel, and the nozzle body is provided with multiple water outlets, which are connected to multiple water outlet channels one by one.

[0021] In some examples of this utility model, the water outlet direction of the water outlet path is perpendicular to the water outlet direction of the water outlet; and / or the width of the water outlet is h, where h satisfies the relationship: 0.3mm≤h≤0.8mm.

[0022] In some examples of this utility model, the nozzle body is provided with a guide portion protruding outward along the water outlet below the water outlet, and the guide portion is provided with a guide surface for guiding water flow to the cleaning component.

[0023] In some examples of this invention, the guide surface is constructed as an arc-shaped surface or an inclined surface.

[0024] In some examples of this utility model, the nozzle assembly of the cleaning device further includes a wringer blade connected to the bottom of the nozzle body.

[0025] In some examples of this utility model, the nozzle body is provided with a water outlet surface facing the cleaning component, and the squeezing scraper is provided with a squeezing surface facing the cleaning component. Both the water outlet surface and the squeezing surface are arc surfaces and are arranged on the same circular surface.

[0026] The cleaning device according to the second aspect of the present invention includes: the nozzle assembly of the cleaning device described above.

[0027] A cleaning system according to a third aspect of the present invention includes: a base station; and the aforementioned cleaning equipment, wherein the cleaning equipment selectively interfaces with the base station.

[0028] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0029] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0030] Figure 1 This is a schematic diagram of the nozzle assembly according to an embodiment of the present utility model;

[0031] Figure 2This is a structural schematic diagram of the nozzle assembly according to another angle of an embodiment of the present utility model;

[0032] Figure 3 This is an exploded view of the nozzle assembly according to an embodiment of the present utility model;

[0033] Figure 4 This is a schematic diagram of the nozzle cover according to an embodiment of the present utility model;

[0034] Figure 5 yes Figure 4 Enlarged view of region A in the middle;

[0035] Figure 6 This is a schematic diagram of the structure of the nozzle cover plate according to an embodiment of the present utility model;

[0036] Figure 7 yes Figure 6 Enlarged view of region B in the middle;

[0037] Figure 8 This is a front view of the nozzle assembly according to an embodiment of the present utility model;

[0038] Figure 9 yes Figure 8 A cross-sectional view along the CC direction.

[0039] Figure label:

[0040] 100. Nozzle assembly;

[0041] 1. Nozzle body; 11. Water inlet channel; 111. First water inlet channel; 112. Second water inlet channel; 12. Buffer chamber; 121. Extrusion protrusion; 1211. First inclined surface; 13. Water outlet channel; 131. Gradient section; 14. First connecting port; 15. Second connecting port; 16. Nozzle cover; 161. First groove; 162. Second groove; 163. Third groove; 17. Nozzle cover plate; 171. First protrusion; 172. Second protrusion; 173. Third protrusion; 18. Water inlet; 19. Water outlet; 191. Guide section; 1911. Guide surface; 1912. Water outlet surface;

[0042] 2. Water distribution components; 21. Water suction components;

[0043] 3. Squeezing scraper; 31. Squeezing surface. Detailed Implementation

[0044] The embodiments of this utility model are described in detail below, and the embodiments described with reference to the accompanying drawings are exemplary.

[0045] The following is for reference. Figures 1-9The nozzle assembly 100 of the cleaning device according to an embodiment of the present invention can effectively mitigate the differences in flow rate and velocity of the inlet water path 11 by utilizing the water equalization component 2, thereby ensuring the consistency of flow rate and velocity of multiple outlet water paths 13, and effectively reducing the problems of large water stain residue and uneven water stain distribution on the cleaning surface. Here, the cleaning device can be a handheld vacuum cleaner, canister vacuum cleaner, upright vacuum cleaner, canister vacuum cleaner, etc., with corresponding structures for the nozzle assembly 100, such as floor scrubbers, sweeping and mopping robots, fabric cleaning machines, carpet cleaning machines, etc., as long as it can provide wet cleaning of dust and garbage, and the embodiments of this application do not limit this.

[0046] Combination Figures 1-9 As shown, the nozzle assembly 100 of the cleaning equipment according to the first aspect of this utility model includes a nozzle body 1 and a water equalization component 2. When the cleaning equipment performs cleaning work, the nozzle body 1 can wet the cleaning components with clean water (or a cleaning liquid containing detergent; this utility model uses clean water as an example) (for example, during the rotation of the roller brush of a floor scrubber, the nozzle body 1 sprays water to wet the roller brush cloth), and can also spray water onto the surface to be cleaned, thereby effectively removing dirt and dust from the cleaning surface; the water equalization component 2 can mitigate the impact of fluctuations in flow rate and velocity between the inlet water path 11 and the outlet water path 13, thereby improving the uniformity of water flow in the outlet water path 13.

[0047] Specifically, the nozzle body 1 has an inlet water passage 11, a buffer chamber 12 and multiple outlet water passages 13. The buffer chamber 12 is connected between the inlet water passage 11 and the multiple outlet water passages 13. The outlet water passages 13 are used to spray water onto the cleaning components. The water equalization component 2 is disposed in the buffer chamber 12 so that the water entering the buffer chamber 12 flows evenly to the multiple outlet water passages 13 after being buffered by the water equalization component 2.

[0048] Specifically, the nozzle body 1 has an inlet water passage 11, a buffer chamber 12, and multiple outlet water passages 13 connected sequentially along the water outlet direction. The buffer chamber 12 can provide an installation location for the water equalization component 2. After the water in the inlet water passage 11 flows into the buffer chamber 12, the water is buffered by the water equalization component 2 in the buffer chamber 12 and then flows evenly to the multiple outlet water passages 13. In this way, before the water in the inlet water passage 11 enters the outlet water passage 13, the water equalization component 2 can reduce the fluctuations in the flow rate and velocity of the water flowing out of the inlet water passage 11 in advance, so that the water after being buffered by the water equalization component 2 can flow evenly to the multiple outlet water passages 13, thereby ensuring the consistency of the flow rate and velocity of the water flowing out of the outlet water passage 13.

[0049] Moreover, compared to traditional water spray nozzles (which use a water pump to directly deliver water from the clean water tank to the roller brush through a water distribution channel, and the unstable pumping pressure can easily lead to uneven distribution of water stains on the ground and large water stain residue), the embodiment in this case sets up a water equalization component 2 between the water inlet channel 11 and the water outlet channel 13. This can effectively alleviate the impact of fluctuations in the flow rate and flow of water in the water inlet channel 11 caused by unstable pumping pressure, thereby effectively improving the uniformity of water spray in the water outlet channel 13, and thus improving the water stain cleaning effect of the cleaning component.

[0050] Therefore, by setting the nozzle assembly 100, the difference in flow rate and velocity of the inlet water path 11 can be effectively mitigated by the water equalization component 2, thereby ensuring the consistency of flow rate and velocity of multiple outlet water paths 13, thus effectively reducing the problem of large water stain residue and uneven water stain distribution on the cleaning surface, and improving the water stain cleaning effect of the roller brush.

[0051] According to some optional embodiments of the present invention, combined with Figure 3 As shown, the water distribution element 2 is a water-absorbing element 21 with water-absorbing properties. For example, the water-absorbing element 21 can be a sponge, microfiber cloth, or water-absorbing resin, etc., and is not limited to these.

[0052] In detail, the water-absorbing component 21 can quickly absorb the water flowing out of the water inlet channel 11 and store it inside itself. Moreover, the water-absorbing component 21 can evenly distribute the water to its surface through its own capillary action, ensuring that each water outlet channel 13 opposite to the water-absorbing component 21 receives a uniform water flow, thereby improving the uniformity of the water flow in the water outlet channel 13.

[0053] In addition, during the cleaning process of the cleaning component, the water-absorbing component 21 can continuously and evenly release water to the water outlet 13, thereby maintaining the overall wet state of the cleaning component and avoiding the problem of local over-wetting while other areas are dry, thus improving the cleaning uniformity of the cleaning component.

[0054] Specifically, the absorbent component 21 includes absorbent strips, which are typically made of materials with good water absorption properties, such as microfiber cloth, cotton cloth, sponge, etc., but are not limited to these. The absorbent strips ensure the uniform distribution and continuous release of moisture, preventing localized over-wetting while other areas remain dry, thereby improving the uniformity of water flow and reducing water stains. For example, the water-equalizing strip uses a highly absorbent material. Because the absorbent strip has good water absorption and storage capacity, it works in conjunction with the buffer chamber 12 to form a buffer water-equalizing area. Water flowing in the inlet water path 11 flows into the buffer water-equalizing area, and after buffering, flows out evenly to the outlet water path 13, thereby effectively mitigating the differences in flow rate and velocity of water in the inlet water path 11.

[0055] Furthermore, combined Figure 3 and Figure 6As shown, at least one side wall of the buffer chamber 12 is provided with a squeezing protrusion 121 protruding towards the water suction member 21. The squeezing protrusion 121 exerts a squeezing effect on the water suction member 21, which ensures that the water suction member 21 and the side wall of the buffer chamber 12 form a tight fit (that is, there is no gap between the water suction member 21 and the side wall of the buffer chamber 12 along the water outlet direction), thereby preventing some of the water in the inlet water channel 11 from flowing directly to the outlet water channel 13 through the gap between the water suction member 21 and the side wall of the buffer chamber 12, thus ensuring the water distribution effect of the water distribution member 2.

[0056] Optionally, the extrusion protrusions 121 are respectively disposed on opposite sides of the water-absorbing component 21 and avoid the water inlet passage 11 and the water outlet passage 13. The first inclined surfaces 1211 of the extrusion protrusions 121 on opposite sides of the water-absorbing component 21 are parallel to each other. In this way, an extrusion effect can be formed on both sides of the water-equalizing component 2. Moreover, the first inclined surfaces 1211 of the extrusion protrusions 121 on opposite sides of the water-absorbing component 21 are parallel to each other, which can guide the water flow, thereby achieving the effect of regulating the water distribution in the water-absorbing component 21, avoiding local over-wetting, reducing the generation of water stains, and thus improving cleaning efficiency.

[0057] Specifically, in combination Figure 3 and Figure 6 As shown, the extrusion protrusion 121 has a first inclined surface 1211 on the side facing the water-absorbing member 21, and the water-absorbing member 21 has a second inclined surface corresponding to the first inclined surface 1211.

[0058] It is understandable that the first inclined surface 1211 on the extrusion protrusion 121 and the second inclined surface on the water-absorbing component 21 correspond to each other and cooperate. The first inclined surface 1211 and the second inclined surface extend at an incline, which can guide the water flow to a certain extent, thereby achieving the effect of regulating the water distribution in the water-absorbing component 21, avoiding excessive local wetting, reducing the generation of water stains, and thus improving cleaning efficiency.

[0059] According to some optional embodiments of the present invention, combined with Figure 2 and Figure 5 As shown, the buffer chamber 12 is elongated and extends along the length of the nozzle body 1. The water distribution component 2 is elongated and corresponds to the buffer chamber 12. Multiple water outlet channels 13 are spaced apart along the length of the nozzle body 1.

[0060] Specifically, both the buffer chamber 12 and the water distribution component 2 are elongated. This shortens their dimensions in the water outlet direction and allows for the arrangement of more water outlet channels 13 along their length. This achieves the effect of quickly and evenly distributing the water flow in the water outlet channels 13 and increasing the number of water outlet channels 13, thereby improving their practicality and cleaning efficiency. Furthermore, the shape of the water distribution component 2 matches that of the buffer chamber 12, thus improving the rationality of their arrangement.

[0061] According to some optional embodiments of the present invention, combined with Figure 5 As shown, a plurality of first connecting ports 14 are formed between the water inlet channel 11 and the buffer chamber 12, and the plurality of first connecting ports 14 are spaced apart along the length of the nozzle body 1; more specifically, the plurality of first connecting ports 14 may be evenly spaced or unevenly spaced along the length of the nozzle body 1; a plurality of second connecting ports 15 are formed between the buffer chamber 12 and the water outlet channel 13, and the plurality of second connecting ports 15 are spaced apart along the length of the nozzle body 1; more specifically, the plurality of second connecting ports 15 may be evenly spaced or unevenly spaced along the length of the nozzle body 1.

[0062] Water in the inlet water passage 11 can flow into the buffer chamber 12 through the first connecting port 14, and water in the buffer chamber 12 can flow into the outlet water passage 13 through the second connecting port 15. This ensures that water can flow smoothly from the inlet water passage 11 to the outlet water passage 13. There are multiple first connecting ports 14, which can evenly distribute the water flow in the inlet water passage 11 to each first connecting port 14 and can also adjust the water pressure of each first connecting port 14, thereby improving the uniformity and stability of the water flow when flowing into the buffer chamber 12. There are multiple second connecting ports 15, which can evenly distribute the water flow in the buffer chamber 12 to each second connecting port 15 and can also adjust the water pressure of each second connecting port 15, thereby improving the uniformity and stability of the water flow when flowing into the outlet water passage 13.

[0063] In addition, multiple first connecting ports 14 and multiple second connecting ports 15 are evenly spaced along the length of the nozzle body 1, which facilitates the formation of multiple water spray positions along the length of the nozzle body 1, thereby ensuring that the sprayed water can evenly wet the cleaning component during its rotation, avoiding local over-wetting or dryness on the cleaning component, and thus improving the uniformity of cleaning.

[0064] Specifically, in combination Figure 5As shown, the number of first connecting ports 14 is less than the number of second connecting ports 15. This arrangement allows for further subdivision of the water within the buffer chamber 12 along the water flow outlet direction, and also allows for adjustment of the water pressure at each second connecting port 15, thereby further improving the uniformity and stability of the water flow into the outlet water path 13. For example, the embodiment in this case may have 4 first connecting ports 14 and 8 second connecting ports 15, but is not limited to this.

[0065] Furthermore, combined Figure 5 As shown, the water inlet path 11 includes a first water inlet path 111 and a plurality of second water inlet paths 112. The plurality of second water inlet paths 112 are all connected to the outlet end of the first water inlet path 111, and each second water inlet path 112 is connected to at least two first connecting ports 14.

[0066] Understandably, along the water outlet direction, the water in the first inlet water passage 111 flows to multiple second inlet water passages 112. The multiple second inlet water passages 112 can distribute the flow rate and water pressure of the water from the first inlet water passage 111, thereby reducing the difference in flow rate and velocity of the water in the first inlet water passage 111 and thus improving the uniformity of the outflow. Each second inlet water passage 112 is connected to at least two first connecting ports 14, which can further subdivide the water flow and thus improve the uniformity of the water flow distribution.

[0067] According to some optional embodiments of the present invention, combined with Figures 1-6 , Figures 8-9 As shown, the nozzle body 1 includes a nozzle cover 16 and a nozzle cover plate 17. The nozzle cover plate 17 is connected to the nozzle cover 16. The nozzle cover plate 17 and the nozzle cover 16 together define the water inlet passage 11, the buffer chamber 12 and the water outlet passage 13.

[0068] The nozzle cover 17 is detachably connected to the nozzle cover 16, which facilitates the individual repair and replacement of any part, thereby improving the ease of disassembly and assembly and reducing the later maintenance cost; it also facilitates the replacement of the internal water distribution component 2, preventing the problem of odor caused by prolonged immersion in water, thereby improving the user experience.

[0069] Optionally, the nozzle cover 17 is fixedly mounted on the nozzle cover 16. In some embodiments, the nozzle cover 17 and the nozzle cover 16 are ultrasonically connected, while in other embodiments, they can be glued together. In this embodiment, the former is preferred. For example, the nozzle cover 16 is provided with a ring of protruding ultrasonic ribs. After the ultrasonic ribs and the nozzle cover 17 are ultrasonically bonded together, they form a firmly connected whole. Combined with the stop design, the ultrasonic welding can achieve a better sealing effect.

[0070] Specifically, in combination Figure 5, Figure 7 and Figure 9 As shown, one of the nozzle cover 16 and the nozzle cover plate 17 is provided with a first groove 161, a second groove 162 and a plurality of third grooves 163 facing the other opening. The second groove 162 is connected between the first groove 161 and the plurality of third grooves 163. The other of the nozzle cover 16 and the nozzle cover plate 17 is provided with a first protrusion 171, a second protrusion 172 and a plurality of third protrusions 173. The first protrusion 171 is provided in the opening of the first groove 161 and forms a water inlet passage 11 with the first groove 161. The second protrusion 172 is provided in the opening of the second groove 162 and forms a buffer cavity 12 with the second groove 162. The plurality of third protrusions 173 are respectively provided in the openings of the plurality of third grooves 163 and form a water outlet passage 13 with the third grooves 163.

[0071] For example, the nozzle cover 16 is provided with a first groove 161, a second groove 162 and a plurality of third grooves 163 opening toward the nozzle cover plate 17. The nozzle cover plate 17 is provided with a first protrusion 171, a second protrusion 172 and a plurality of third protrusions 173 protruding toward the nozzle cover 16. The first protrusion 171 is disposed in the opening of the first groove 161, and the first protrusion 171 and the first groove 161 together define the water inlet passage 11. The second protrusion 172 is disposed in the opening of the second groove 162, and the second protrusion 172 and the second groove 162 together define the buffer chamber 12. The plurality of third protrusions 173 are respectively disposed in the openings of the plurality of third grooves 163, and the plurality of third protrusions 173 are respectively disposed in the openings of the plurality of third grooves 163 one to one. The third protrusions 173 and the third grooves 163 together define the water outlet passage 13. With the above arrangement, the water flow channel can be constructed according to the flow direction requirements of the water flow, thereby ensuring the smoothness and stability of the water flow.

[0072] According to some optional embodiments of the present invention, combined with Figure 9 As shown, the water outlet channel 13 is constructed with a tapering section 131, the width of which decreases in the water outlet direction.

[0073] Specifically, in the direction of water outflow, the width of the narrowing section 131 of the water outlet channel 13 gradually decreases, which can increase the flow velocity of the water flow and thus improve the smoothness of the water flow in the water outlet channel 13.

[0074] According to some optional embodiments of the present invention, combined with Figure 2 , Figure 5 and Figure 9 As shown, the nozzle body 1 is provided with a water inlet 18, which is connected to the water inlet channel 11. The nozzle body 1 is provided with multiple water outlets 19, which are connected to multiple water outlet channels 13 in a one-to-one correspondence.

[0075] The inlet 18 is suitable for connecting with an external water source. External water flows through the inlet 18 into the water inlet channel 11, and then flows through the water equalization component 2 in the buffer chamber 12 to multiple water outlet channels 13. The multiple water outlet channels 13 are connected to multiple water outlets 19 one by one. Finally, the water is sprayed from the multiple water outlets 19 onto different positions of the cleaning component, thereby achieving a uniform wetting effect on the cleaning component and improving cleaning efficiency.

[0076] Specifically, in combination Figure 5 and Figure 9 As shown, the water outlet direction of the water outlet 13 is perpendicular to the water outlet direction of the water outlet 19. This arrangement can change the direction of water flow, so that the water sprayed from the water outlet 19 can be directly sprayed onto the cleaning part, thereby improving its wetting efficiency.

[0077] Optionally, the width of the outlet 19 is h, where h satisfies the relationship: 0.3mm ≤ h ≤ 0.8mm. The width of the outlet 19 (or its height) is relatively small, which allows for control of the cross-sectional area through which the water flows, thereby increasing the water pressure and velocity as the water passes through the outlet 19, and thus improving the smoothness of the water flow out of the outlet 19. For example, h can be 0.3mm, 0.4mm, or 0.8mm, and is not limited to these.

[0078] Furthermore, combined Figure 1 and Figure 9 As shown, the nozzle body 1 has a guide portion 191 protruding outward along the water outlet direction below the water outlet 19. The guide portion 191 is provided with a guide surface 1911 for guiding the water flow to the cleaning component. This arrangement allows the guide portion 191 to guide the water at the water outlet 19, thereby facilitating the water flow out of the water outlet 19. The guide surface 1911 can also increase the contact area between the water outlet 19 and the cleaning component (such as a roller brush), thereby improving the uniformity of water wetting of the cleaning component and effectively reducing the problem of large and uneven water stains on the cleaning surface.

[0079] Specifically, in combination Figure 1 and Figure 9 As shown, the guide surface 1911 is constructed as an arc-shaped surface or an inclined surface. The arc-shaped surface can provide a smooth fluid transition, reduce turbulence and vortices in the water flow process, thereby reducing flow resistance and improving the flow stability of the water flow; the arc-shaped surface can also promote the uniform distribution of fluid, avoid local overflow or dead zones, and improve the flow uniformity of the water flow.

[0080] Furthermore, combined Figures 1-3 and Figures 8-9As shown, the nozzle assembly 100 also includes a wringer 3, which is connected to the bottom of the nozzle body 1. The nozzle body 1 can spray clean water evenly from the outlet 19 onto the cleaning component (such as a roller brush), facilitating the roller brush to clean dirt from the cleaning surface. The wringer 3 is fixedly connected to the bottom of the nozzle body 1, and can scrape off solid dirt from the surface of the roller brush and squeeze out wastewater from inside the roller brush when the cleaning component rotates.

[0081] Specifically, in combination Figures 8-9 As shown, the nozzle body 1 is provided with a water outlet surface 1912 facing the cleaning component, and the wringer 3 is provided with a wringer surface 31 facing the cleaning component. Both the water outlet surface 1912 and the wringer surface 31 are arc surfaces, and the water outlet surface 1912 and the wringer surface 31 are arranged on the same circular surface.

[0082] For example, the cleaning component can be a roller brush. The nozzle body 1 is provided with an arc-shaped water outlet surface 1912 that matches the rotation path of the roller brush. The clean water flowing out of the outlet 19 can flow along the contour of the arc-shaped water outlet surface 1912 onto the roller brush, which can increase the coverage and uniformity of the clean water on the roller brush, thereby improving the cleaning effect of the roller brush. The squeegee 3 is provided with an arc-shaped squeegee surface 31 facing the cleaning component, which can match the rotation path of the roller brush and can also spread the clean water sprayed onto the surface of the roller brush evenly, thereby improving the uniformity of water distribution on the roller brush.

[0083] In addition, the water outlet surface 1912 and the water squeezing surface 31 are arranged on the same circular surface, which helps to reduce the frictional resistance between the roller brush and the water squeezing scraper 3 and the nozzle body 1 when the roller brush rotates.

[0084] Optionally, the bottom of the nozzle cover 16 is provided with 4 sets of vertical screw holes, and the squeegee 3 is provided with 4 sets of vertical screw holes accordingly. Fasteners pass through the bolt holes of both to fix them into a whole.

[0085] The cleaning device according to the second aspect of the present invention includes the nozzle assembly 100 of the cleaning device of the above embodiment. The cleaning device having the nozzle assembly 100 can ensure the consistency of flow rate and velocity of multiple water outlets 13, thereby effectively reducing the problems of large water stain residue and uneven water stain distribution on the cleaning surface.

[0086] More specifically, the cleaning equipment may also include components such as a clean water tank, a wastewater tank, a blower, a water pump, and cleaning heads. The cleaning heads can be floor brushes, handheld cleaning brushes, etc., and the water spray assembly 100 and cleaning components are mounted on the cleaning heads. The water pump delivers water from the clean water tank to the water spray assembly 100, which then delivers the water to the cleaning components. During cleaning operations (such as mopping), the blower collects the generated wastewater into the wastewater tank.

[0087] The cleaning system according to a third aspect of the present invention includes a base station and the cleaning equipment described in the above embodiments. The cleaning equipment selectively interfaces with the base station and is maintained by the base station, such as charging, watering, and removing contaminants from the cleaning equipment; and performing self-cleaning and / or drying on the cleaning components.

[0088] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0089] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" 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 refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0090] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0091] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

[0092] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0093] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A nozzle assembly (100) for a cleaning device, characterized in that, include: The nozzle body (1) has an inlet water passage (11), a buffer chamber (12) and multiple outlet water passages (13). The buffer chamber (12) is connected between the inlet water passage (11) and the multiple outlet water passages (13). The outlet water passages (13) are used to spray water onto the cleaning parts. Water equalization component (2) is disposed in the buffer chamber (12) so that the water flowing into the buffer chamber (12) flows evenly to the multiple water outlet channels (13) after passing through the water equalization component (2).

2. The nozzle assembly (100) of the cleaning equipment according to claim 1, characterized in that, The water distribution element (2) is a water absorption element (21) with water absorption properties.

3. The nozzle assembly (100) of the cleaning equipment according to claim 2, characterized in that, The absorbent element (21) includes absorbent cloth strips.

4. The nozzle assembly (100) of the cleaning equipment according to claim 2, characterized in that, At least one side wall of the buffer cavity (12) is provided with a compression protrusion (121) protruding toward the water-absorbing member (21).

5. The nozzle assembly (100) of the cleaning equipment according to claim 4, characterized in that, The extrusion protrusion (121) has a first inclined surface (1211) on the side facing the absorbent (21), and the absorbent (21) has a second inclined surface corresponding to the first inclined surface (1211).

6. The nozzle assembly (100) of the cleaning equipment according to claim 1, characterized in that, The buffer chamber (12) is elongated and extends along the length of the nozzle body (1). The water distribution component (2) is elongated and corresponds to the buffer chamber (12). Multiple water outlet channels (13) are spaced apart along the length of the nozzle body (1).

7. The nozzle assembly (100) of the cleaning equipment according to claim 1, characterized in that, A plurality of first communication ports (14) are formed between the water inlet channel (11) and the buffer chamber (12), and the plurality of first communication ports (14) are spaced apart in the length direction of the nozzle body (1); A plurality of second communication ports (15) are formed between the buffer chamber (12) and the water outlet channel (13), and the plurality of second communication ports (15) are spaced apart in the length direction of the nozzle body (1).

8. The nozzle assembly (100) of the cleaning equipment according to claim 7, characterized in that, The number of the first connection ports (14) is less than the number of the second connection ports (15).

9. The nozzle assembly (100) of the cleaning equipment according to claim 7, characterized in that, The water inlet channel (11) includes: First water intake channel (111); Multiple second water inlet channels (112) are connected to the outlet of the first water inlet channel (111), and each second water inlet channel (112) is connected to at least two of the first connecting ports (14).

10. The nozzle assembly (100) of the cleaning equipment according to claim 1, characterized in that, The nozzle body (1) includes: Nozzle cap (16); The nozzle cover (17) is connected to the nozzle cover (16). The nozzle cover (17) and the nozzle cover (16) together define the water inlet passage (11), the buffer chamber (12) and the water outlet passage (13).

11. The nozzle assembly (100) of the cleaning equipment according to claim 10, characterized in that, One of the nozzle cover (16) and the nozzle cover plate (17) is provided with a first groove (161), a second groove (162) and a plurality of third grooves (163) facing the other opening, wherein the second groove (162) is connected between the first groove (161) and the plurality of third grooves (163); The nozzle cover (16) and the nozzle cover plate (17) are provided with a first protrusion (171), a second protrusion (172) and a plurality of third protrusions (173). The first protrusion (171) is disposed in the opening of the first groove (161) and forms the water inlet channel (11) with the first groove (161). The second protrusion (172) is disposed in the opening of the second groove (162) and forms the buffer cavity (12) with the second groove (162). The plurality of third protrusions (173) are respectively disposed in the opening of the plurality of third grooves (163) and form the water outlet channel (13) with the third grooves (163).

12. The nozzle assembly (100) of the cleaning equipment according to claim 1, characterized in that, The water outlet channel (13) is constructed with a tapering section (131), the width of which decreases in the water outlet direction.

13. The nozzle assembly (100) of the cleaning equipment according to claim 1, characterized in that, The nozzle body (1) is provided with a water inlet (18), which is connected to the water inlet channel (11). The nozzle body (1) is provided with multiple water outlets (19), which are connected to multiple water outlet channels (13) in a one-to-one correspondence.

14. The nozzle assembly (100) of the cleaning equipment according to claim 13, characterized in that, The water outlet direction of the water outlet (13) is perpendicular to the water outlet direction of the water outlet (19); and / or The width of the outlet (19) is h, and h satisfies the relationship: 0.3mm≤h≤0.8mm.

15. The nozzle assembly (100) of the cleaning equipment according to claim 13, characterized in that, The nozzle body (1) is provided with a guide portion (191) protruding outward in the direction of water outlet (19) below the water outlet (19), and the guide portion (191) is provided with a guide surface (1911) for guiding water flow to the cleaning component.

16. The nozzle assembly (100) of the cleaning equipment according to claim 15, characterized in that, The guide surface (1911) is constructed as an arc-shaped surface or an inclined surface.

17. The nozzle assembly (100) of the cleaning equipment according to any one of claims 1-16, characterized in that, Also includes: Squeezing blade (3), which is connected to the bottom of the nozzle body (1).

18. The nozzle assembly (100) of the cleaning equipment according to claim 17, characterized in that, The nozzle body (1) is provided with a water outlet surface (1912) facing the cleaning component, and the squeezing scraper (3) is provided with a squeezing surface (31) facing the cleaning component. The water outlet surface (1912) and the squeezing surface (31) are both arc surfaces and are arranged on the same circular surface.

19. A cleaning device, characterized in that, include: The nozzle assembly (100) of the cleaning equipment according to any one of claims 1-18.

20. A cleaning system, characterized in that, include: Base station; The cleaning device of claim 19, wherein the cleaning device selectively interfaces with the base station.

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