Sewage tank structure and cleaning equipment

Abstract

According to the sewage tank structure and the cleaning equipment, a partition plate is arranged in a sewage tank and divides the sewage tank into a first cavity and a second cavity, a liquid inlet is formed in the top side of the partition plate, a liquid outlet is formed in the bottom side of the partition plate, and a bent pipeline communicating the liquid inlet with the liquid outlet is arranged in the partition plate; the sewage tank is provided with a sewage inlet, and the sewage inlet extends inwards to form a sewage inlet channel communicated with the first cavity; a first extraction opening is formed in the sewage tank, is communicated with the first cavity and is used for being connected with an external vacuum motor; the sewage tank is provided with a second extraction opening, and the second extraction opening is communicated with the second cavity and used for being connected with an external vacuum pump. In the scheme, the vacuum motor is used for pumping sewage into the first cavity, the vacuum pump is used for pumping the sewage from the first cavity to the second cavity, the vacuum degree of the second cavity is higher than that of the first cavity, and the bent pipeline extends the water flow path, so that the sewage is more difficult to flow back to the first cavity from the second cavity; therefore, the problem of vacuum motor fault caused by backward flowing of sewage is avoided.

Description

Technical Field

[0001] The utility model relates to the field of cleaning equipment, in particular to a sewage tank structure and cleaning equipment. Background Art

[0002] Cleaning equipment is usually equipped with a sewage suction system, which is mostly composed of a vacuum motor and a sewage tank. The sewage inlet of the sewage tank is connected to the external sewage collection area, and the air outlet of the sewage tank is connected to the suction end of the vacuum motor. When the vacuum motor is working, it can generate negative pressure in the sewage tank, thereby sucking the sewage into it. Cleaning equipment, especially handheld cleaning equipment, often encounters some cleaning dead corners such as under the bed and under the table during daily use, and the body needs to be tilted to allow the head to enter the cleaning. When the body is tilted, sewage can easily flow back into the vacuum motor through the air outlet, causing the vacuum motor to malfunction.

[0003] Therefore, in view of the shortcomings of the prior art, it is necessary to design a sewage tank structure and cleaning equipment to solve the above problems. Utility Model Content

[0004] In order to overcome the deficiencies in the above-mentioned prior art, the utility model aims to provide a sewage tank structure and cleaning equipment. In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a sewage tank structure, including a sewage tank, a partition is provided in the sewage tank, the partition divides the cavity of the sewage tank into a first cavity and a second cavity, a liquid inlet is provided on the top side of the partition, a liquid outlet is provided on the bottom side of the partition, and a curved pipeline connecting the liquid inlet and the liquid outlet is provided in the partition; a sewage inlet is provided on the sewage tank, and the sewage inlet extends inward to form a sewage inlet channel connecting the first cavity; a first air suction port is provided on the sewage tank, the first air suction port is connected to the first cavity and is used to connect to an external vacuum motor; a second air suction port is provided on the sewage tank, the second air suction port is connected to the second cavity and is used to connect to an external vacuum pump.

[0005] The preferred technical solution is: the vacuum motor works according to a first power parameter, the first power parameter is greater than or equal to a first critical point power parameter, and the first critical point power parameter refers to the minimum power value of the vacuum motor required to suck sewage into the first cavity through the sewage inlet channel.

[0006] The preferred technical solution is: the vacuum pump works according to a second power parameter, the second power parameter is greater than or equal to a second critical point power parameter, and the second critical point power parameter refers to the minimum power value of the vacuum pump required to draw the sewage in the first cavity into the second cavity through the curved pipeline.

[0007] A preferred technical solution is: the second power parameter is greater than the first power parameter.

[0008] The preferred technical solution is: the first cavity is located above the second cavity; a filter disc is also provided in the first cavity, the filter disc is mounted on the partition plate, and a plurality of filter holes are provided at the bottom of the filter disc.

[0009] The preferred technical solution is that the curved pipeline adopts an S-shaped pipeline, a C-shaped pipeline or a Z-shaped pipeline.

[0010] A cleaning device comprises a body and a head, one end of the body is rotatably connected to the head, and the above-mentioned sewage tank structure is detachably installed in the body.

[0011] The preferred technical solution is: the vacuum motor is arranged in the fuselage, and the suction end of the vacuum motor is connected to the first suction port through a suction pipe.

[0012] A preferred technical solution is: the vacuum pump is arranged in the machine head, and the suction end of the vacuum pump is connected to the second air suction port through a hose.

[0013] Due to the application of the above technical solution, the utility model has the following beneficial effects:

[0014] The utility model proposes a sewage tank structure and cleaning equipment, which divide the sewage tank into a first cavity and a second cavity, wherein a vacuum motor draws a vacuum in the first cavity so that the sewage is sucked into the first cavity through a sewage inlet pipe, and a vacuum pump draws a vacuum in the second cavity so that the sewage in the first cavity is sucked into the second cavity through a curved pipeline. Compared with a through-hole structure, the curved pipeline prolongs the water flow path and slows down the water flow rate, and the vacuum pump is required to quickly draw the sewage into the second cavity. This structure can, to a certain extent, prevent the sewage from flowing back into the first cavity through the curved pipeline, that is, reduce the possibility of malfunction of the vacuum motor due to sewage backflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional view of the sewage tank involved in Example 1 of the utility model.

[0016] Figure 2 This is a cross-sectional view of the sewage tank involved in Example 2 of the present utility model.

[0017] Figure 3 This is a schematic diagram of the structure of the cleaning equipment involved in the utility model. DETAILED DESCRIPTION

[0018] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0019] See also Figure 1-Figure 3 . It should be noted that in the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Embodiment 1:

[0022] like Figure 1 As shown, according to an overall technical concept of the utility model, a sewage tank structure is provided, including a sewage tank 1, a partition 2 is provided in the sewage tank 1, the partition 2 is constituted as a hood-like structure and divides the cavity of the sewage tank 1 into a first cavity 11 and a second cavity 12 nested inside and outside, a liquid inlet is provided on the top side of the partition 2, a liquid outlet is provided on the bottom side of the partition 2, and a curved pipeline 21 connecting the liquid inlet and the liquid outlet is provided in the partition 2 (the curved pipeline 21 adopts an S-shaped pipeline, a C-shaped pipeline or a Z-shaped pipeline, which is used to extend the flow path of the water flow and slow down the outflow of the water flow); a sewage inlet 13 is provided on the sewage tank 1, and the sewage inlet 13 extends inwardly to form a sewage inlet channel 131 connected to the first cavity 11; a first air suction port 14 is provided on the sewage tank 1, and the first air suction port 14 is connected to the first cavity 11 and is used to connect to an external vacuum motor 3; a second air suction port 15 is provided on the sewage tank 1, and the second air suction port 15 is connected to the second cavity 12 and is used to connect to an external vacuum pump 4.

[0023] like Figure 1 and Figure 3 As shown, in an exemplary embodiment of the present utility model, the vacuum motor 3 works according to a first power parameter, the first power parameter is greater than or equal to a first critical point power parameter, and the first critical point power parameter refers to the minimum power value of the vacuum motor 3 required to suck the sewage into the first cavity 11 through the sewage inlet channel 131. The vacuum pump 4 works according to a second power parameter, the second power parameter is greater than or equal to a second critical point power parameter, and the second critical point power parameter refers to the minimum power value of the vacuum pump 4 required to suck the sewage in the first cavity 11 into the second cavity 12 through the curved pipe 21. The second power parameter is greater than the first power parameter. That is, it is ensured that the vacuum degree of the second cavity 12 is higher than the vacuum degree of the first cavity 11, so as to speed up the speed at which the sewage enters the second cavity from the first cavity 11.

[0024] When in use, the vacuum motor 3 and the vacuum pump 4 work simultaneously, the vacuum motor 3 extracts the air in the first cavity 11 to generate negative pressure, and can suck the sewage into the first cavity 11 through the sewage inlet channel 131; at the same time, the vacuum pump 4 extracts the air in the second cavity 12 to generate negative pressure, and can suck the sewage extracted into the first cavity 11 into the second cavity 12 through the curved pipe 21. It should be noted that the curved pipe 21 is designed so that the sewage with the maximum load in the sewage tank 1 can only flow out slowly by its own weight, that is, it is necessary to apply negative pressure at the liquid outlet end of the curved pipe 21 (this is also the reason why the vacuum degree of the second cavity 12 is higher than that of the first cavity 11) to quickly draw the sewage into the second cavity 12 in accordance with the sewage's own weight. When the sewage tank 1 is lying flat or even inverted, it is difficult for the second cavity 12 to quickly flow into the first cavity 11 through the curved pipe 21, that is, the suction end of the vacuum motor 3 is separated from the sewage storage area, which can solve the problem that sewage is prone to backflow into the vacuum motor 3 and cause malfunction when the cleaning equipment is lying flat.

[0025] like Figure 1 As shown, in an exemplary embodiment of the utility model, the first cavity 11 is located above the second cavity 12; a filter plate 5 is also provided in the first cavity 11, and the filter plate 5 is mounted on the partition 2. The bottom of the filter plate 5 is provided with a plurality of filter holes for separating solid waste and liquid waste to prevent solid waste from blocking the cross-opening membrane 211.

[0026] A cleaning device comprises a body 6 and a head 7. One end of the body 6 is rotatably connected to the head 7. The above-mentioned sewage tank structure is detachably installed in the body 6.

[0027] like Figure 3 As shown, in an exemplary embodiment of the present utility model, the vacuum motor 3 is disposed in the body 6, and the suction end of the vacuum motor 3 is connected to the first suction port 14 through the suction pipe.

[0028] like Figure 3As shown, in an exemplary embodiment of the present utility model, the vacuum pump 4 is disposed in the machine head 7 , and the suction end of the vacuum pump 4 is connected to the second air suction port 15 through a hose.

[0029] Embodiment 2:

[0030] like Figure 2 As shown, the main difference between this embodiment and embodiment 1 is that the partition 2 in the sewage tank 1 in this embodiment is constructed as a flat plate structure and divides the cavity into a first cavity 11 and a second cavity 12 distributed vertically.

[0031] Therefore, the utility model has the following advantages:

[0032] The utility model proposes a sewage tank structure and cleaning equipment, which divide the sewage tank into a first cavity and a second cavity, wherein a vacuum motor draws a vacuum in the first cavity so that the sewage is sucked into the first cavity through a sewage inlet pipe, and a vacuum pump draws a vacuum in the second cavity so that the sewage in the first cavity is sucked into the second cavity through a curved pipeline. Compared with a through-hole structure, the curved pipeline prolongs the water flow path and slows down the water flow rate, and the vacuum pump is required to quickly draw the sewage into the second cavity. This structure can, to a certain extent, prevent the sewage from flowing back into the first cavity through the curved pipeline, that is, reduce the possibility of malfunction of the vacuum motor due to sewage backflow.

[0033] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A sewage tank structure, comprising a sewage tank, characterized in that: A partition is provided in the sewage tank, and the partition divides the cavity of the sewage tank into a first cavity and a second cavity. A liquid inlet is provided on the top side of the partition, and a liquid outlet is provided on the bottom side of the partition. A curved pipeline connecting the liquid inlet and the liquid outlet is provided in the partition; a sewage inlet is provided on the sewage tank, and the sewage inlet extends inward to form a sewage inlet channel connecting the first cavity; a first air suction port is provided on the sewage tank, and the first air suction port is connected to the first cavity and is used to be connected to an external vacuum motor; a second air suction port is provided on the sewage tank, and the second air suction port is connected to the second cavity and is used to be connected to an external vacuum pump.

2. A sewage tank structure according to claim 1, characterized in that: The vacuum motor works according to a first power parameter, which is greater than or equal to a first critical point power parameter. The first critical point power parameter refers to the minimum power value of the vacuum motor required to suck sewage into the first cavity through the sewage inlet channel.

3. A sewage tank structure according to claim 2, characterized in that: The vacuum pump operates according to a second power parameter, which is greater than or equal to a second critical point power parameter. The second critical point power parameter refers to the minimum power value of the vacuum pump required to draw the sewage in the first cavity into the second cavity through the curved pipeline.

4. A sewage tank structure according to claim 3, characterized in that: The second power parameter is greater than the first power parameter.

5. A sewage tank structure according to claim 1, characterized in that: The first cavity is located above the second cavity; a filter disc is also provided in the first cavity, the filter disc is mounted on the partition plate, and a plurality of filter holes are provided at the bottom of the filter disc.

6. A sewage tank structure according to claim 1, characterized in that: The curved pipeline is an S-shaped pipeline, a C-shaped pipeline or a Z-shaped pipeline.

7. A cleaning device, comprising a body and a head, wherein one end of the body is rotatably connected to the head, characterized in that: The sewage tank structure according to any one of claims 1 to 6 is detachably installed in the fuselage.

8. A cleaning device according to claim 7, characterized in that: The vacuum motor is arranged in the body, and the suction end of the vacuum motor is connected with the first suction port through a suction pipe.

9. A cleaning device according to claim 7, characterized in that: The vacuum pump is arranged in the machine head, and the suction end of the vacuum pump is connected with the second air suction port through a hose.

Images