Sewage tank and wet-type cleaning equipment

By designing a wastewater tank in wet cleaning equipment and using a combination of risers, gas-liquid separators, and dirt bags, the problem of inconvenience in cleaning dirt containing solid particles is solved, achieving solid-liquid separation and simplifying the cleaning process.

CN224085247UActive Publication Date: 2026-04-07SUZHOU JIANDANYOUWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing wet cleaning equipment is inconvenient when cleaning dirt containing solid particles.

Method used

A wastewater tank was designed, comprising a riser, a gas-liquid separator, and a removable sludge bag. Combined with a mounting bracket, solid-liquid separation is achieved through the gas-liquid separator and the sludge bag. The sludge bag is detachably installed between the mounting bracket and the side wall of the tank body to prevent the sludge bag from being carried away by airflow.

Benefits of technology

It achieves solid-liquid separation, simplifies the user's cleaning process, improves cleaning efficiency, and processes solid particles and liquids separately, reducing the hassle for users.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sewage tank and wet type cleaning equipment. The sewage tank comprises a body and a dirt separation device. A containing space is defined by the body, and a vertical pipe for guiding fluid into the containing space is further arranged in the body. At least part of the dirt separation device is arranged in the containing space, the dirt separation device comprises a gas-liquid separator arranged at the pipe outlet of the vertical pipe and a dirt bag detachably arranged on the downstream of the gas-liquid separator, and the dirt bag is used for conducting solid-liquid separation on dirt. The dirt separation device further comprises an installation support, at least part of the installation support is located below the gas-liquid separator, the dirt bag is arranged between the installation support and the side wall of the body, and at least part of the installation support is located between the dirt bag and the vertical pipe. The dirty bag is installed between the side wall of the body and the vertical pipe through the installation support, the dirty bag can be effectively supported, and the dirty bag is prevented from being driven by high-speed airflow.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cleaning equipment technical field especially, it relates to a sewage tank and wet type cleaning equipment. BACKGROUND

[0002] Wet type cleaning equipment generally includes dirty recovery system, and dirty recovery system can recover some dirty with sewage on the surface to be cleaned.

[0003] The recovery tank includes dirty storage space, and the dirty recovered from the surface to be cleaned can be stored inside the recovery tank, when the user needs to clean, the user only needs to clean all the garbage directly inside. SUMMARY

[0004] In view of the above-mentioned technical deficiencies, the utility model provides a sewage tank with dirty bag, which can effectively realize solid-liquid separation and is more convenient for the user to clean.

[0005] In one aspect, the utility model provides a sewage tank, which comprises

[0006] A body defines a containing space, and a standpipe for guiding fluid into the containing space is arranged in the body;

[0007] A dirty separation device is arranged at least partially in the containing space, and the dirty separation device comprises a gas-liquid separator arranged at the outlet of the standpipe and a dirty bag detachably arranged downstream of the gas-liquid separator, wherein the dirty bag is used for solid-liquid separation of dirty;

[0008] The dirty separation device further comprises a mounting bracket, at least part of the mounting bracket is located below the gas-liquid separator, the dirty bag is arranged between the mounting bracket and the side wall of the body, and at least part of the mounting bracket is located between the dirty bag and the standpipe.

[0009] Optionally, the mounting bracket comprises a side portion and a bottom portion, and the bottom portion is provided with a solid-liquid separator.

[0010] Optionally, the side portion comprises a first portion connected with the bottom portion and a second portion located above the first portion, and the first portion and the second portion jointly define a placing space for accommodating part of the standpipe.

[0011] Optionally, the second portion is arranged obliquely relative to the first portion to guide part of the fluid flowing out of the outlet of the standpipe into the dirty bag.

[0012] Optionally, the dirty bag is detachably arranged at the separator outlet of the gas-liquid separator, and the opening of the dirty bag is arranged at the joint of the first part and the second part.

[0013] Optionally, the gas-liquid separator comprises a flow guide plate, and a plurality of liquid collecting structures are arranged on the flow guide plate in a transverse direction.

[0014] Optionally, the solid-liquid separator comprises a tray and a filter screen arranged on the tray, the tray is provided with an anti-backflow structure, and the filter screen is detachably or rotatably arranged on the tray.

[0015] Optionally, a first container for accommodating granular objects is arranged below the tray.

[0016] Optionally, a filter mounting cavity is arranged above the gas-liquid separator for mounting a filter.

[0017] In another aspect, the utility model also provides a wet cleaning equipment, including dirty recovery system, the dirty recovery system includes the suction fan for generating suction airflow and the sewage tank above.

[0018] The utility model provides a sewage tank and wet cleaning equipment. The sewage tank comprises a body and a dirty separation device. The body defines an accommodation space, and a stand pipe for guiding fluid into the accommodation space is further arranged in the body. At least part of the dirty separation device is arranged in the accommodation space, and the dirty separation device comprises a gas-liquid separator arranged at the pipe outlet of the stand pipe and a dirty bag detachably arranged downstream of the gas-liquid separator. The dirty bag is used for solid-liquid separation of dirty. The dirty separation device further comprises a mounting bracket, at least part of the mounting bracket is below the gas-liquid separator, the dirty bag is arranged between the mounting bracket and the side wall of the body, and at least part of the mounting bracket is arranged between the dirty bag and the stand pipe. The dirty bag is mounted between the side wall of the body and the stand pipe through the mounting bracket, so that the dirty bag can be effectively supported, and the dirty bag is prevented from being driven by high-speed airflow. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the floor cleaning robot shown in an embodiment of the present application;

[0020] Figure 2 It is a structural schematic view of the vertical cleaning equipment shown in an embodiment of the present application;

[0021] Figure 3 It is a structural schematic view of the sewage tank in an embodiment;

[0022] Figure 4 It is a structural schematic view of the dirty separation device in an embodiment;

[0023] Figure 5 Figure 3 is a structural schematic view of a dirt separation device according to an embodiment, from another angle;

[0024] Figure 6 Figure 4 is a sectional view along the direction indicated by A-A in Figure 3; Figure 3

[0025] Figure 7 Figure 5 is a structural schematic view of a gas-liquid separator according to an embodiment;

[0026] Figure 8 Figure 6 is a structural schematic view of the gas-liquid separator according to an embodiment, from another angle;

[0027] Figure 9 Figure 7 is a structural schematic view of a mounting bracket according to an embodiment;

[0028] Figure 10 Figure 8 is a structural schematic view of the mounting bracket according to an embodiment, from another angle. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] It should be noted that if the embodiments of the present application involve directional indications, the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0031] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B schemes. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0032] ​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 will understand the specific meaning of the above terms in this application based on the specific circumstances.

[0033] refer to Figure 3 This application discloses a wastewater tank 1, which can be used in a vertical wet cleaning device 100 (e.g., a floor scrubber, see reference). Figure 2 It can also be used in horizontal wet cleaning equipment 100 (e.g., fabric cleaning machine) and robotic vacuum cleaners capable of wet cleaning (see reference). Figure 1 The wet cleaning equipment 100 generally includes a dirt recovery system, which includes a suction fan for generating a suction airflow and a wastewater tank 1. The working principle of the wet cleaning equipment 100 is well known to those skilled in the art and will not be described in detail here. The wastewater tank 1 disclosed in this application is described in detail below.

[0034] refer to Figures 3-10 The figure discloses a sewage tank 1, which includes a body 11 and a dirt separation device 13 disposed within the body 11. The body 11 defines a receiving space 25, which can hold dirt. A riser 12 is also disposed within the body 11 to guide fluid into the receiving space 25. The body 11 is generally integrally molded from plastic. The riser 12 can be molded together with the side wall of the body 11. Of course, the body 11 can also be assembled from multiple parts. The top of the body 11 is generally open, and the dirt collected in the body 11 can be cleaned out through this opening. The riser 12 includes a pipe inlet 122 and a pipe outlet 121. Dirt enters the riser 12 through the pipe inlet 122, and then flows to the pipe outlet 121 under the guidance of the riser 12. The dirt flowing out of the pipe outlet 121 enters the receiving space 25 of the body 11. The dirt separation device 13 is at least partially disposed within the receiving space 25, and at least part of the dirt separation device 13 is detachably installed into the interior of the main body 11 through this opening. Generally, the dirt separation device 13 is disposed in the upper part of the receiving space 25, and the lower part of the receiving space 25 is used to contain dirt. (Reference) Figures 4-10The dirt separation device 13 includes a gas-liquid separator 14 located at the outlet 121 of the riser 12 and a dirt bag 15 detachably located downstream of the gas-liquid separator 14. The dirt bag 15 is used for solid-liquid separation of dirt. The dirty fluid flowing out of the outlet 121 first passes through the gas-liquid separator 14 for gas-liquid separation, during which the liquid mixed in the airflow is separated from the gas. The separated liquid enters the dirt bag 15 and then flows through the gaps in the dirt bag 15 into the liquid storage chamber (lower part of the receiving space 25) of the main body 11. Larger solid waste particles are retained in the dirt bag 15.

[0035] Continue to refer to Figures 4-10 Because the airflow velocity in the accommodating space 25 of the main body 11 is relatively fast, the dirty bag 15 may be carried by the airflow, resulting in significant displacement and affecting the separation effect. To keep the dirty bag 15 relatively stable, the dirty separation device 13 is also provided with a mounting bracket 16. At least part of the mounting bracket 16 is located below the gas-liquid separator 14, the dirty bag 15 is disposed between the mounting bracket 16 and the side wall of the main body 11, and at least part of the mounting bracket 16 is located between the dirty bag 15 and the riser 12. By placing the dirty bag 15 between the mounting bracket 16 and the side wall of the main body 11, the mounting bracket 16 can be limited, and the mounting bracket 16 can support the dirty bag 15, effectively fixing the dirty bag 15 to a relatively stable area and preventing the dirty bag 15 from undergoing significant displacement. The soiled bag 15 can be a disposable consumable. After the user removes the soiled separation device 13 from the main body 11, the soiled bag 15 can be taken out and thrown directly into the trash can. Then, the wastewater in the main body 11 can be poured into the wastewater tank. A new soiled bag 15 can be replaced before reuse. Of course, the soiled bag 15 can also be reusable and can be reused after being cleaned by the user.

[0036] refer to Figures 9-10 You can also refer to Figure 6The mounting bracket 16 includes a side portion 161 and a bottom portion 164, with a solid-liquid separator 21 installed on the bottom portion 164. This separator 21 allows for solid-liquid separation of dirt even when the user has not installed the dirt bag 15, facilitating solid waste disposal. To ensure effective support for the dirt bag 15, the side portion 161 includes a first part 162 connected to the bottom portion 164 and a second part 163 located above the first part 162. The first part 162 and the second part 163 together define a space for accommodating a portion of the riser 12. The first part 162 has a certain width to effectively prevent the dirt bag 15 from being displaced by the suction airflow. The bottom portion 164 includes a tray 17 and a filter screen 18 mounted on the tray 17. The tray 17 has an anti-backflow structure, and the filter screen 18 is detachably or rotatably mounted on the tray 17.

[0037] refer to Figure 9 and 10 To allow dirt to enter the dirt bag 15 more quickly, the second part 163 is inclined relative to the first part 162, so as to guide a portion of the fluid flowing out of the outlet of the riser 12 into the dirt bag 15. In this way, larger solid particles can slide into the dirt bag 15 quickly.

[0038] The dirty bag 15 is detachably installed at the separator outlet 141 of the gas-liquid separator 14, and the opening of the dirty bag 15 is located at the junction of the first part 162 and the second part 163. In this way, the dirt that has undergone gas-liquid separation will directly enter the dirty bag 15 for gas-solid-liquid three-phase separation, avoiding the situation where solids do not enter the dirty bag 15.

[0039] refer to Figures 4-8 The gas-liquid separator 14 includes a guide plate 22, which mainly guides the dirty flow to the separator outlet 141. The airflow from the outlet 121 of the riser 12 flows along the guide plate 22. During the flow, the liquid gradually converges, and the gas gradually separates from the liquid. To improve the gas-liquid separation efficiency, multiple horizontally arranged liquid collection structures 23 are provided on the guide plate 22. The multiple liquid collection structures 23 form a wave shape, and each liquid collection structure 23 extends along the flow direction of the airflow. During the airflow, the liquid collection structures 23 can disperse the airflow into several smaller airflows. At this time, the airflow's ability to carry liquid decreases, and most of the liquid will adhere to the liquid collection structures 23, thereby improving the gas-liquid separation efficiency.

[0040] When wastewater is stored in the containing space 25 of the main body 11, a first container 19 for holding particulate matter is provided below the tray 17 to inhibit the growth of bacteria in the wastewater or to prevent the wastewater from developing odors after prolonged storage. The first container 19 is immersed in the wastewater and contains chemicals that can eliminate odors or inhibit bacterial growth.

[0041] refer to Figure 6 The dirt separation device 13 has an airflow outlet 24, through which the gas after gas-liquid separation flows out of the sewage tank 1. To protect the suction motor, a filter 20 is installed at the airflow outlet 24. The filter 20 filters the airflow entering the suction motor. A filter mounting cavity is provided above the gas-liquid separator 14 for installing the filter 20. The filter 20 further filters the airflow after gas-liquid separation from the main body 11, and the filtered airflow enters the suction motor. The filter 20 can be replaced after a period of use; the filter 20 can be a HEPA filter or a filter sponge.

[0042] Continue to refer to Figure 6 The working principle of sewage tank 1 is as follows: The suction airflow generated by the suction motor draws the sewage into the riser 12 through the inlet 122, and then flows along the riser 12 to the outlet 121. The fluid exiting the outlet 121 enters the gas-liquid separator 14 for gas-liquid separation. Solids and liquids flow directly into the sludge bag 15 after passing through the gas-liquid separator 14. Some liquid is carried by the airflow and undergoes gas-liquid separation through the guide plate 22. After gas-liquid separation, the airflow flows out of the sludge bag 15 and then through both sides of the side 161 of the mounting bracket 16 to the airflow outlet 24, exiting sewage tank 1. The mixture of liquid and solid undergoes solid-liquid separation in the sludge bag 15. Most of the liquid flows out of the sludge bag 15 to the bottom of the mounting bracket 16. The solids are retained in the sludge bag 15 for easy disposal by the user.

[0043] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A sewage tank, characterized in that, include: The body has a defined receiving space, and a riser is provided inside the body to guide fluid into the receiving space; A dirt separation device is at least partially disposed within the accommodating space. The dirt separation device includes a gas-liquid separator disposed at the outlet of the riser and a dirt bag detachably disposed downstream of the gas-liquid separator. The dirt bag is used for solid-liquid separation of dirt. The dirt separation device further includes a mounting bracket, at least a portion of which is located below the gas-liquid separator. The dirt bag is disposed between the mounting bracket and the side wall of the main body, and at least a portion of the mounting bracket is located between the dirt bag and the riser.

2. The sewage tank as described in claim 1, characterized in that, The mounting bracket includes a side and a bottom, and a solid-liquid separator is provided on the bottom.

3. The sewage tank as described in claim 2, characterized in that, The side portion includes a first portion connected to the bottom and a second portion located above the first portion, the first portion and the second portion together defining a placement space for accommodating a portion of the riser.

4. The sewage tank as described in claim 3, characterized in that, The second portion is inclined relative to the first portion to guide a portion of the fluid flowing from the outlet of the riser into the sludge bag.

5. The sewage tank as described in claim 3, characterized in that, The dirty bag is detachably installed at the separator outlet of the gas-liquid separator, and the opening of the dirty bag is located at the junction of the first part and the second part.

6. The sewage tank as described in claim 1, characterized in that, The gas-liquid separator includes a guide plate, on which multiple horizontally arranged liquid collection structures are provided.

7. The sewage tank as described in claim 2, characterized in that, The solid-liquid separator includes a tray and a filter screen disposed on the tray. The tray is provided with an anti-backflow structure, and the filter screen is detachably or rotatably disposed on the tray.

8. The sewage tank as described in claim 7, characterized in that, A first container for holding particulate matter is disposed below the tray.

9. The sewage tank as described in claim 1, characterized in that, The gas-liquid separator has a filter mounting cavity at its top for installing filters.

10. A wet cleaning device, comprising a dirt recovery system, characterized in that, The filth recovery system includes a suction fan for generating a suction airflow and a wastewater tank as described in any one of claims 1-9.