Surge protection sewage tank and cleaning device

Abstract

The present application relates to the technical field of cleaning appliances, and provides a surge-preventing sewage tank and a cleaning device, the surge-preventing sewage tank comprising a shell assembly, the shell assembly being combined to form a sewage cavity, and a sewage suction passage being arranged in the sewage cavity and being in communication with the outside; the shell assembly is provided with a fan air inlet and a vertical first blocking rib, the first blocking rib separates the sewage cavity into two cavity bodies distributed horizontally, a communication opening is arranged on the first blocking rib to communicate the two cavity bodies, and the sewage suction passage and the fan air inlet are arranged on the two sides of the first blocking rib respectively. According to the present application, the sewage cavity is separated into two cavity bodies along the horizontal direction by the first blocking rib, so that the large-scale movement of the sewage in the whole space is greatly limited, and the transverse surge amplitude of the water body is reduced; meanwhile, the sewage suction passage and the fan air inlet are arranged on the two sides of the first blocking respectively, the transversely surging sewage is blocked by the first blocking rib and cannot directly splash and surge towards the fan air inlet, so that the problem that the sewage carried by the surge flows back into the fan can be effectively avoided.

Description

Technical Field

[0001] This invention relates to the field of cleaning equipment technology, and in particular to a surge-proof sewage tank and cleaning equipment. Background Technology

[0002] Floor scrubbers use a blower to draw in wastewater from the floor and store it in a wastewater tank. The separated airflow is then discharged back into the blower, achieving wastewater recycling. Floor scrubbers with an under-mounted wastewater tank can lower the overall center of gravity and improve the feel of pushing and pulling the machine, but due to installation space limitations, the wastewater tank is usually a flat and low structure with very little internal vertical space.

[0003] During cleaning operations, the floor scrubber pushes and pulls back and forth and turns left and right. Due to inertia, the sewage in the tank surges back and forth and left and right. Because of the flat tank, there is no buffer space for the water. The surging sewage can easily approach the air inlet of the blower and be sucked into the blower by negative pressure. After the sewage enters, it can easily cause malfunctions such as motor short circuit, suction power reduction, and air duct blockage, which will affect the service life of the equipment. Summary of the Invention

[0004] This invention provides a surge-proof sewage tank and cleaning equipment to solve the defect of existing sewage tanks where sewage is prone to surge and backflow into the blower when pushed, pulled and turned. It achieves the effects of suppressing large left and right surges of sewage, blocking surges from approaching the blower inlet, and reducing the risk of blower water ingress failure.

[0005] The present invention provides a surge-proof sewage tank, including a shell assembly, the shell assembly enclosing a sewage cavity, and the sewage cavity having a suction channel communicating with the outside; The housing assembly is provided with a fan inlet and a vertical first baffle. The first baffle divides the sewage chamber into two horizontally distributed chambers. The first baffle is provided with a connecting port that connects the two chambers. The sewage suction channel and the fan inlet are respectively located on both sides of the first baffle.

[0006] According to the present invention, in a surge-proof sewage tank, the volume of the first cavity where the sewage suction channel is located is greater than the volume of the second cavity where the blower inlet is located.

[0007] According to the present invention, a surge-proof sewage tank is provided, wherein the shell assembly is provided with a vertical second baffle, the second baffle is disposed in the second cavity, the first baffle and the second baffle both extend along the front-rear direction of the sewage tank, and the first baffle and the second baffle are spaced apart.

[0008] According to the present invention, a surge-proof sewage tank is provided, wherein the first baffle extends upward from the bottom of the shell assembly, the second baffle extends downward from the top of the shell assembly, and the first baffle and the second baffle are distributed in a staggered manner. Alternatively, the first baffle extends downward from the top of the housing assembly, the second baffle extends upward from the bottom of the housing assembly, and the first baffle and the second baffle are distributed in a staggered manner.

[0009] According to the present invention, a surge-proof sewage tank is provided in the second cavity, wherein a vertical third baffle is provided, the third baffle extending along the left and right direction of the sewage tank, and the third baffle is disposed on the front side of the air inlet of the blower; The third retaining rib is provided at least once.

[0010] According to the present invention, a surge-proof sewage tank is provided, wherein the bottom of the sewage suction channel is provided with a sewage suction inlet and the top is provided with a sewage suction outlet, and the sewage suction channel extends upward in a direction away from the sewage suction inlet and toward the front of the sewage tank or away from the air inlet of the blower.

[0011] According to the present invention, a surge-proof sewage tank is provided, wherein the shell assembly is provided with a semi-enclosed retaining rib that surrounds the sewage suction channel, the retaining rib including an arc-shaped retaining rib portion and a planar retaining rib portion connected to both ends of the arc-shaped retaining rib portion, the two planar retaining rib portions being located in the first cavity and the second cavity respectively.

[0012] According to the present invention, the surge-proof sewage tank further includes a baffle portion connected to one side of the arc-shaped baffle portion, the baffle portion being located in the second cavity and extending along the left-right direction of the sewage tank.

[0013] According to the present invention, a surge-proof sewage tank is provided in the first cavity, wherein a vertical fourth baffle and two water-full detection probes are provided. The fourth baffle extends along the left-right direction of the sewage tank, and the two water-full detection probes are distributed on the front and rear sides of the fourth baffle.

[0014] The present invention also provides a cleaning device, including a floor brush and a surge-proof wastewater tank as described above, wherein the wastewater tank is detachably mounted on the floor brush.

[0015] The anti-surge sewage tank and cleaning equipment provided by this invention divides the sewage chamber into two horizontal chambers through a first baffle. The two chambers can communicate with each other through a connecting port, significantly limiting the unimpeded lateral movement of sewage within the overall space. This effectively buffers and weakens the lateral surges caused by the reciprocating swaying of sewage, reducing the amplitude of the lateral surge. Simultaneously, the suction channel and the blower inlet are respectively arranged on both sides of the first baffle, forming a physical barrier in space. The laterally surging sewage is blocked by the first baffle, preventing it from splashing or flowing directly towards the blower inlet. The surge water is unlikely to reach the blower inlet area, effectively avoiding the problem of sewage backflow into the blower due to surges, thus improving the overall operational safety of the machine. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the sewage tank provided by the present invention; Figure 2 This is one of the schematic diagrams of the internal structure of the sewage tank provided by the present invention; Figure 3 This is the second schematic diagram of the internal structure of the sewage tank provided by the present invention; Figure 4 This is the third schematic diagram of the internal structure of the sewage tank provided by the present invention; Figure 5 This is a schematic diagram of the upper shell structure provided by the present invention; Figure 6 This is a schematic diagram of the structure of the sewage tank installed on the floor brush provided by the present invention; Figure 7 This is a cross-sectional schematic diagram of the integrated structure of the sewage tank and floor brush provided by the present invention.

[0018] Figure label: 100. Wastewater tank; 101. Upper shell; 102. Lower shell; 110. Suction channel; 111. Suction outlet; 120. Fan inlet; 130. First baffle; 131. Connecting port; 140. First cavity; 141. Second cavity; 150. Second baffle; 160. Third baffle; 170. Air duct; 180. Surrounding rib; 181. Arc-shaped surrounding rib; 182. Planar surrounding rib; 183. Partition; 190. Fourth baffle; 191. Water full detection probe; 200. Floor brush. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0020] In the description of this invention, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and 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 invention.

[0021] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0022] In this invention, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0023] The following is combined with Figures 1 to 7 The surge-proof sewage tank 100 of the present invention includes a shell assembly, which encloses a sewage chamber. The sewage chamber is provided with a suction channel 110 communicating with the outside. The shell assembly is provided with a fan inlet 120 and a vertical first baffle 130. The first baffle 130 divides the sewage chamber into two horizontally distributed cavities. The lower end of the first baffle 130 is provided with a connecting port 131 connecting the two cavities to realize water communication between the two cavities. The suction channel 110 and the fan inlet 120 are respectively arranged on both sides of the first baffle 130 to form a physical partition.

[0024] like Figure 1 , Figure 6 and Figure 7As shown, the wastewater tank 100 of this invention is compatible with floor cleaning equipment such as floor scrubbers. It adopts a bottom-mounted installation structure, and the wastewater tank 100 can be detachably assembled onto the floor brush 200. Compared with the traditional top-mounted wastewater tank 100, this layout can significantly shorten the overall suction and transmission path of the machine. Hair, long fibers, and lint are less likely to entangle and accumulate on the inner wall of the narrow air duct, reducing the probability of pipe blockage from the source. At the same time, it shortens the airflow delivery distance, reduces the loss of negative pressure airflow along the way, and improves the suction power of the whole machine. Due to the limited assembly space at the bottom of the machine, the wastewater tank 100 adopts a flat and low configuration. The vertical water storage height inside the wastewater chamber is limited. During the pushing, pulling, and turning operations of the floor scrubber, the wastewater in the chamber is prone to surge in the front-to-back and left-to-right directions due to inertia. The surge water splashes are easily carried into the blower by the negative pressure airflow. Therefore, this invention sets an anti-surge barrier structure inside the wastewater chamber to solve the water ingress risk of the flat tank.

[0025] like Figures 1 to 3 As shown, the shell assembly specifically includes an upper shell 101 and a lower shell 102. The upper shell 101 covers the top of the lower shell 102, and the lower shell 102 is recessed downwards to form the main water storage space of the sewage chamber. The first baffle 130 can be integrally formed on the upper shell 101 or the lower shell 102; the sewage suction channel 110 extends upwards from the bottom of the lower shell 102 and connects to the sewage chamber to complete the suction and collection of sewage and sludge on the ground; the blower inlet 120 is preferably arranged in the high area of ​​the sewage chamber, relying on the height difference to form a basic water barrier to reduce the risk of sewage directly flowing back into the blower.

[0026] In a preferred embodiment of the present invention, the volume of the first cavity 140 where the suction channel 110 is located is greater than the volume of the second cavity 141 where the blower inlet 120 is located.

[0027] like Figure 2 or Figure 3 As shown, the first baffle 130 divides the sewage chamber into two chambers, left and right. The sewage suction channel 110 is located in the larger first chamber 140, and the blower inlet 120 is located in the smaller second chamber 141. The second chamber 141 has a limited water storage capacity and a small total amount of water inside, which reduces the surge amplitude generated by the movement of the machine body and further reduces the possibility of sewage splashing and overflowing to the blower inlet 120.

[0028] In some embodiments, the housing assembly is provided with a vertical second baffle 150, which is disposed in the second cavity 141. The first baffle 130 and the second baffle 150 both extend along the front-rear direction of the sewage tank 100, and the first baffle 130 and the second baffle 150 are spaced apart.

[0029] By setting a second baffle 150, which extends in the same direction as the first baffle 130, the direction of water and airflow in the second cavity 141 can be further optimized. On the one hand, it buffers and weakens the amplitude of the reciprocating surge of sewage in the second cavity 141 and suppresses lateral surges. On the other hand, it can intercept solid dirt such as hair and debris, and prevent impurities from drifting with the airflow to the blower inlet 120. The airflow can then flow normally through the gaps between the baffles, ensuring the continuous and stable operation of the negative pressure suction system.

[0030] The following provides several configuration options for the first baffle 130 and the second baffle 150 to improve surge protection.

[0031] In one example, a first baffle 130 extends upward from the bottom of the housing assembly, a second baffle 150 extends downward from the top of the housing assembly, and the first baffle 130 and the second baffle 150 form a staggered drop distribution.

[0032] refer to Figure 2 The first baffle 130 is formed in the lower housing 102, extending upward from the bottom wall of the lower housing 102. It can be a separate component or integrally formed with the lower housing 102. The second baffle 150 is formed in the upper housing 101, extending downward from the top wall of the upper housing 101. It can be a separate component or integrally formed with the upper housing 101. The two baffles are horizontally spaced and vertically staggered, with the top of the first baffle 130 being higher than the bottom of the second baffle 150. The airflow path is as follows: Figure 2 As shown by the middle arrow: the airflow discharged from the suction channel 110 first passes upward through the gap between the first baffle 130 and the upper housing 101, then downward through the gap between the second baffle 150 and the bottom wall of the lower housing 102, and finally flows upward to the blower inlet 120. The tortuous airflow channel can effectively trap sewage, hair and other impurities, greatly reducing the probability of dirt being carried to the blower inlet 120 by negative pressure.

[0033] In another example, a first baffle 130 extends downward from the top of the housing assembly, a second baffle 150 extends upward from the bottom of the housing assembly, and the first baffle 130 and the second baffle 150 form a staggered drop distribution.

[0034] In this example, the first baffle 130 is formed on the upper shell 101 and extends downward from the top wall of the upper shell 101, and the second baffle 150 is formed on the lower shell 102 and extends upward from the bottom wall of the lower shell 102. The bottom end of the first baffle 130 is lower than the top end of the second baffle 150, which can also form a multi-layered deflection airflow channel, forming multiple interception barriers for sewage and solid debris, and effectively preventing surging water from approaching the blower.

[0035] In another example, the first baffle 130 and the second baffle 150 can both be disposed on the upper shell 101 or the lower shell 102, and the two are arranged in parallel and spaced apart. For example, the first baffle 130 and the second baffle 150 are both formed on the lower shell 102, extending upward from the bottom wall of the lower shell 102, and their tops can be flush or staggered. The multiple baffles simultaneously reduce the left and right swaying of the water inside the second cavity 141, further improving the anti-surge performance.

[0036] It is understood that one or more second baffles 150 can be provided, flexibly arranged according to the internal space size of the second cavity 141. When multiple second baffles 150 are provided, the multiple second baffles 150 can be provided on the same shell or different shells. For example, in the first example, when multiple second baffles 150 are provided, each second baffle 150 is alternately distributed on the two shells in sequence. That is, the first second baffle 150 closest to the first baffle 130 is formed on the upper shell 101 and extends downward from the top wall of the upper shell 101. The next adjacent second baffle 150 is formed on the lower shell 102 and extends upward from the bottom wall of the lower shell 102. They are arranged alternately in sequence to form a multi-layered staggered water-proof and debris-proof structure.

[0037] Furthermore, in some embodiments, a vertical third baffle 160 is provided in the second cavity 141. The third baffle 160 extends in the left and right direction along the sewage tank 100 and is located in front of the blower air inlet 120.

[0038] like Figure 3 As shown, by setting a transverse third baffle 160 on the front side of the blower inlet 120, the sewage on the right side can be prevented from surging back and forth in the second cavity 141 when the user pushes and pulls the machine back and forth during the cleaning process, reducing the risk of surge and the degree of sewage surging, thereby inhibiting sewage from reaching the blower inlet 120. The third baffle 160 is arranged crosswise with the first baffle 130 running in the front and back direction, and a flow gap is reserved between the two to ensure the normal flow of sewage in the second cavity 141.

[0039] The third baffle 160 can be installed on either the upper housing 101 or the lower housing 102. Figure 3 The third baffle 160 extends upward from the bottom wall of the lower shell 102, and its height meets the requirements for blocking surge splash.

[0040] One or more third baffles 160 can be provided. When multiple third baffles 160 are provided, they are arranged at intervals along the front-back direction of the second cavity 141, forming a multi-level buffer barrier to continuously weaken the front-back surge and intercept hair and other debris. In one example, multiple third baffles 160 are arranged at intervals on the same side, for example, multiple third baffles 160 extend to the left from the right side wall of the lower shell 102, and a water passage gap is reserved between each third baffle 160 and the first baffle 130. In another example, multiple third baffles 160 are arranged in a staggered manner, with the front third baffles 160 extending to the left from the right side wall of the lower shell 102 and the rear third baffles 160 extending to the right from the side wall formed by the first baffle 130, forming a meandering water passage channel between adjacent third baffles 160. In addition, the two ends of the third baffles 160 may not be connected to the shell or other baffle side walls, but are suspended inside the cavity, which also serves as a buffer and water barrier.

[0041] Furthermore, in some embodiments, the lower housing 102 is formed with an air duct 170 communicating with the blower inlet 120. The air duct 170 is arranged from front to back, and the overall height of the air duct 170 is higher than the top of the first baffle 130. With this arrangement, even if a small amount of water exceeds the top of the first baffle 130, it is difficult to flood into the air duct 170 due to the height difference. Moreover, through the multi-layer barrier structure of the first baffle 130 and the second baffle 150, sewage can be blocked from reaching the inlet of the air duct 170 from multiple dimensions, while the airflow can smoothly flow into the air duct 170 along the tortuous channel formed by the multi-layer baffles and finally enter the blower.

[0042] like Figure 3 As shown, the third baffle 160 extends upward from the bottom wall of the lower shell 102. The top of the third baffle 160 can be lower than or flush with the inlet of the air duct 170. Under the buffering and blocking effect of the third baffle 160, the back-and-forth surging amplitude of sewage in the second cavity 141 is greatly reduced, and the sewage splash height is unlikely to reach the inlet of the air duct 170, which can further eliminate the risk of water ingress.

[0043] Based on the above embodiments, the overall design of the suction channel 110 of the present invention is streamlined. By integrating the sewage tank 100 onto the floor brush 200, the overall suction pipeline of the machine can be significantly shortened, and the overall height difference of the suction channel 110 can be reduced, which is conducive to the smooth suction of hair, lint and other dirt into the sewage chamber and reduces pipeline sludge accumulation and blockage.

[0044] The suction channel 110 has a suction inlet at the bottom and a suction outlet 111 at the top. The suction channel 110 extends upward in a direction away from the suction inlet and toward the front of the sewage tank 100 or away from the blower inlet 120.

[0045] like Figure 7As shown, in this embodiment, the suction channel 110 extends upward and then bends forward, with the suction outlet 111 facing forward, forming a long-distance offset isolation with the blower inlet 120 located on the right side of the sewage tank 100. In other embodiments, if the blower inlet 120 is located on the right side of the sewage tank 100, the suction channel 110 can also bend upward and extend to the left, forming a suction outlet 111 that opens to the front or left. The offset suction outlet 111 can prevent the sucked-in dirt from rushing straight towards the blower inlet 120 with the airflow, providing reliable protection for the blower.

[0046] Furthermore, the housing assembly is provided with a semi-enclosed rib 180 that surrounds the suction channel 110. The rib 180 includes an arc-shaped rib portion 181 and a planar rib portion 182 connected to both ends of the arc-shaped rib portion 181. The two planar rib portions 182 are located in the first cavity 140 and the second cavity 141, respectively.

[0047] like Figure 4 As shown, the surrounding rib 180 has an overall approximate U-shaped structure. The arc-shaped surrounding rib 181 is located in front of the sewage chamber and in front of the suction channel 110, spanning the first chamber 140 and the second chamber 141. The two planar surrounding ribs 182 are located on the left and right sides of the suction channel 110, respectively. The surrounding rib 180 and the rear side wall of the lower shell 102 together surround the suction channel 110, forming an effective negative pressure chamber, which is more conducive to sucking up dirt and improving the efficiency of ground dirt suction. At the same time, the semi-enclosed structure enlargement design can store more solid waste such as hair, making up for the insufficiency of clogging when sucking in a small amount of waste.

[0048] Combination Figure 4 and Figure 5 The retaining rib 180 can be integrally formed on the top wall of the upper shell 101 and extend downwards. After the upper shell 101 is fastened, the bottom end of the retaining rib 180 abuts against the bottom wall of the lower shell 102. A water passage gap is provided between the bottom end of the planar retaining rib portion 182 located in the second cavity 141 and the bottom wall of the lower shell 102 to ensure normal flow of water and air. Simultaneously, the planar retaining rib portion 182 in the second cavity 141 can also serve as a second baffle rib 150, cooperating with the first baffle rib 130 to optimize the internal airflow direction. Of course, the retaining rib 180 can also be integrally formed on the lower shell 102, and can be flexibly adjusted according to actual assembly requirements.

[0049] Furthermore, the reinforcing bar 180 also includes a partition 183 connected to one side of the arc-shaped reinforcing bar portion 181. The partition 183 is located inside the second cavity 141 and extends along the left and right directions of the sewage tank 100.

[0050] like Figure 4As shown, the horizontally arranged baffle 183 can suppress the back-and-forth movement of sewage in the second chamber 141. During the water flow, solid impurities such as hair and debris are trapped and accumulated after impacting the baffle 183, preventing debris from drifting towards the blower inlet 120 with the water flow. The function of this baffle 183 is similar to that of the third baffle 160, thereby reducing the number of third baffles 160 required. Figure 4 Only one third baffle 160 is set behind the middle baffle 183, and the two are arranged at intervals to work together to block water and prevent debris.

[0051] Based on the above embodiment, the first cavity 140 is further provided with a vertical fourth baffle 190 and two water full detection probes 191. The fourth baffle 190 extends along the left and right direction of the sewage tank 100, and the two water full detection probes 191 are distributed on the front and rear sides of the fourth baffle 190.

[0052] like Figure 3 As shown, by setting the fourth baffle 190, the two sets of detection probes are physically separated, which can block the large-scale surge of sewage in the first cavity 140, avoid the surging water from contacting the two sets of probes at the same time and triggering the false full water alarm, and effectively improve the water level detection accuracy of sewage tank 100.

[0053] The first baffle 130, the second baffle 150, the third baffle 160 and the fourth baffle 190 of the present invention can all adopt a vertical baffle structure, with sufficient vertical height, which can effectively block and buffer water surges in all directions, and achieve a comprehensive protective effect of layered water isolation, graded impurity filtration and detour air guidance.

[0054] The present invention also provides a cleaning device, including a floor brush 200 and a surge-proof wastewater tank 100 as described in the above embodiment, wherein the wastewater tank 100 is detachably mounted on the floor brush 200. The cleaning device of the present invention possesses all the features and beneficial effects of the aforementioned wastewater tank 100, which will not be repeated here.

[0055] The anti-surge sewage tank 100 and cleaning equipment provided by this invention divides the sewage chamber into two chambers horizontally by a first baffle 130. The two chambers can communicate with each other through a connecting port 131, which greatly restricts the unimpeded lateral movement of sewage within the overall space. This effectively buffers and weakens the lateral surges formed by the lateral swinging of sewage, reducing the amplitude of the lateral surge. At the same time, the suction channel 110 and the blower inlet 120 are respectively arranged on both sides of the first baffle 130, forming a physical barrier in space. The laterally surging sewage is blocked by the first baffle 130 and cannot splash or surge directly towards the blower inlet 120. The surge water is unlikely to reach the blower inlet 120 area, which can effectively avoid the problem of sewage backflow into the blower carried by the surge, improving the overall operational safety of the machine.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A surge-proof sewage tank, characterized in that, It includes a housing assembly, which encloses a sewage chamber, and the sewage chamber is provided with a suction channel communicating with the outside. The housing assembly is provided with a fan inlet and a vertical first baffle. The first baffle divides the sewage chamber into two horizontally distributed chambers. The first baffle is provided with a connecting port that connects the two chambers. The sewage suction channel and the fan inlet are respectively located on both sides of the first baffle.

2. The surge-proof sewage tank according to claim 1, characterized in that, The volume of the first cavity containing the sewage suction channel is greater than the volume of the second cavity containing the fan inlet.

3. The surge-proof sewage tank according to claim 2, characterized in that, The housing assembly is provided with a vertical second baffle rib, which is located in the second cavity. Both the first baffle rib and the second baffle rib extend along the front-back direction of the sewage tank, and the first baffle rib and the second baffle rib are spaced apart.

4. The surge-proof sewage tank according to claim 3, characterized in that, The first baffle extends upward from the bottom of the housing assembly, and the second baffle extends downward from the top of the housing assembly, with the first baffle and the second baffle forming a staggered height distribution; Alternatively, the first baffle extends downward from the top of the housing assembly, the second baffle extends upward from the bottom of the housing assembly, and the first baffle and the second baffle are distributed in a staggered manner.

5. The surge-proof sewage tank according to claim 2, characterized in that, The second cavity is provided with a vertical third baffle, which extends along the left and right direction of the sewage tank and is located in front of the air inlet of the blower. The third retaining rib is provided at least once.

6. The surge-proof sewage tank according to any one of claims 1-5, characterized in that, The suction channel has a suction inlet at the bottom and a suction outlet at the top. The suction channel extends upwards along a direction away from the suction inlet and towards the front of the sewage tank or away from the air inlet of the blower.

7. The surge-proof sewage tank according to any one of claims 2-5, characterized in that, The housing assembly is provided with a semi-enclosed rib that surrounds the suction channel. The rib includes an arc-shaped rib portion and a planar rib portion connected to both ends of the arc-shaped rib portion. The two planar rib portions are located in the first cavity and the second cavity, respectively.

8. The surge-proof sewage tank according to claim 7, characterized in that, The retaining rib also includes a partition portion connected to one side of the arc-shaped retaining rib portion, the partition portion being located within the second cavity and extending along the left-right direction of the sewage tank.

9. The surge-proof sewage tank according to any one of claims 2-5, characterized in that, The first cavity is equipped with a vertical fourth baffle and two water full detection probes. The fourth baffle extends along the left and right direction of the sewage tank, and the two water full detection probes are distributed on the front and rear sides of the fourth baffle.

10. A cleaning device, characterized in that, It includes a floor brush and a surge-proof sewage tank as described in any one of claims 1-9, wherein the sewage tank is detachably mounted on the floor brush.

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