Cleaning device

Abstract

The cleaning device comprises a base, a sewage tank and an exhaust fan, the base is provided with a containing cavity and a connecting port, the sewage tank is provided with a sewage cavity, a flow guide pipe and a flow guide port, a floating ball pipe is arranged in the sewage cavity, a floating ball is arranged in the floating ball pipe, and the floating ball moves upwards along the floating ball pipe to close the flow guide port when the water level of the sewage cavity rises. When the water level of the sewage cavity drops, the floating ball pipe moves downwards to open the flow guide opening. According to the utility model, the floating ball pipe is arranged in the sewage cavity, the floating ball is arranged in the floating ball pipe, and the floating ball pipe is communicated with the flow guide pipe through the flow guide port and is communicated with the sewage cavity, so that the floating ball moves upwards to close the flow guide port when the water level of the sewage cavity rises and moves downwards to open the flow guide port when the water level of the sewage cavity drops; the situation that the exhaust fan is damaged due to the fact that sewage flows into the exhaust fan from the flow guide pipe when the sewage cavity is full is avoided. Meanwhile, the flow guide pipe is arranged on the sewage tank, so that when the base and the sewage tank adopt a split structure, the sewage tank can be conveniently detached from the base to pour sewage.

Description

TECHNICAL FIELD

[0001] The utility model relates to cleaning equipment especially clean device. BACKGROUND

[0002] The cleaning instrument is a kind of equipment for cleaning the surface of cloth sofa, leather sofa and curtain.The existing cleaning instrument includes base, sewage tank and air extractor, and the air extractor is arranged on the base to draw sewage into the sewage tank.When the cleaning instrument cleans the surface of the above-mentioned objects, the following steps are taken: first, the surface of the object is wetted with clean water or cleaning solution mixed with cleaning liquid;then, the surface of the object is brushed with brush head;finally, the sewage on the surface of the object is drawn away.When the sewage is drawn, the air extractor starts to draw the sewage into the sewage tank, but when the sewage tank is full of sewage and the operator does not find it in time, the sewage will flow into the air extractor, causing damage to the air extractor. SUMMARY

[0003] The utility model aims at providing a cleaning device to solve the problem that when the existing cleaning instrument draws sewage, the sewage tank is full of sewage and the operator does not find it in time, the sewage flows into the air extractor, causing damage to the air extractor.

[0004] The utility model is realized by the following technical solutions:

[0005] The cleaning device includes base, sewage tank and air extractor, the base has accommodating cavity and connecting port, the air extractor is accommodated in the accommodating cavity, the sewage tank has sewage cavity, flow guide pipe and flow guide port, the flow guide pipe is communicated with the sewage cavity through the flow guide port, and is communicated with the air extractor through the connecting port, the float ball pipe is arranged in the sewage cavity, the float ball is arranged in the float ball pipe, the float ball pipe is communicated with the flow guide pipe through the flow guide port, the float ball pipe is communicated with the sewage cavity, and the float ball moves upward along the float ball pipe to close the flow guide port when the water level in the sewage cavity rises, and moves downward along the float ball pipe to open the flow guide port when the water level in the sewage cavity falls.

[0006] Further, the float ball pipe is a filter screen pipe or a filter screen is wrapped on the float ball pipe.

[0007] Further, the float ball pipe is detachably fixedly connected with the sewage tank at the flow guide port.

[0008] Further, a sealing element is arranged between the float ball pipe and the float ball at the flow guide port, the sealing element is tightly attached to the inner wall of the float ball pipe and has a passage communicating the float ball pipe and the flow guide pipe, and the float ball is tightly attached to the passage opening of the sealing element when the float ball moves upward to close the flow guide port.

[0009] Further, the float ball tube has an axial extension and a radial extension, the radial extension extends around the flow guide opening, the axial extension extends from the radial extension towards the sewage cavity and has a float ball cavity for accommodating the float ball; the sealing member has a stop portion and a sealing ring portion, the stop portion is arranged between the radial extension and the sewage tank, the sealing ring portion extends into the float ball tube from the stop portion, the sealing ring portion closely fits on the inner wall of the float ball tube and has a passage for connecting the float ball tube and the flow guide tube.

[0010] Further, the sewage tank is detachably fixedly connected with the base, the base has a placing surface for placing the sewage tank, the placing surface is formed with a slot, and the sewage tank has a plug-in portion for plug-in cooperation with the slot.

[0011] Further, the sewage tank has an upper connecting opening and a lower connecting opening, the flow guide tube has an external tube and an internal tube, the external tube is arranged outside the sewage cavity and extends from the flow guide opening to the upper connecting opening, the internal tube is arranged inside the sewage cavity and extends from the upper connecting opening to the lower connecting opening, and the lower connecting opening is arranged opposite to the connecting opening.

[0012] Further, the external tube is detachably fixedly connected with the sewage tank at the flow guide opening and the upper connecting opening.

[0013] Further, the internal tube is integrally formed with the sewage tank.

[0014] Further, the sewage tank has a plug-in tube which is plug-in cooperated with the external tube and extends upwards from the flow guide opening; and / or the outer wall of the sewage tank is provided with a first positioning groove which is arranged around the flow guide opening, and the external tube is provided with a first positioning ring which is plug-in cooperated with the first positioning groove; and / or the outer wall of the sewage tank is provided with a second positioning groove which is arranged around the upper connecting opening, and the external tube is provided with a second positioning ring which is plug-in cooperated with the second positioning groove.

[0015] The technical scheme has the advantages that the float ball tube is arranged in the sewage cavity, the float ball is arranged in the float ball tube, the float ball tube is connected with the flow guide tube through the flow guide opening and is connected with the sewage cavity, so that the float ball moves upwards to close the flow guide opening when the water level in the sewage cavity rises and moves downwards to open the flow guide opening when the water level in the sewage cavity drops, thereby avoiding that sewage flows into the air extractor from the flow guide tube when the sewage cavity is full, and causing damage to the air extractor. Meanwhile, since the flow guide tube is arranged on the sewage tank, when the base and the sewage tank adopt a split structure, the sewage tank can be easily detached from the base to pour out the sewage. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0018] Figure 1 This is a perspective view of the cleaning apparatus disclosed in the embodiment;

[0019] Figure 2 This is a cross-sectional view of the cleaning apparatus disclosed in the embodiment;

[0020] Figure 3 yes Figure 2 A magnified view of a section at point A in the middle;

[0021] Figure 4 This is a partial exploded view of the cleaning apparatus disclosed in the embodiment;

[0022] Figure 5 This is an exploded view of the sewage tank in the embodiment. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Figures 1-5 As shown, the cleaning device includes a base 1, a sewage tank 2, and an exhaust fan 3. The base 1 has a receiving cavity 101 and a connecting port 102. The exhaust fan 3 is housed in the receiving cavity 101. The sewage tank 2 has a sewage chamber 201, a guide pipe 202, and a guide port 203. The guide pipe 202 is connected to the sewage chamber 201 via the guide port 203 and to the exhaust fan 3 via the connecting port 102. A float tube 4 is provided in the sewage chamber 201, and a float 5 is provided in the float tube 4. The float tube 4 is connected to the guide pipe 202 via the guide port 203 and is connected to the sewage chamber 201. When the water level in the sewage chamber 201 rises, the float 5 moves upward along the float tube 4 to close the guide port 203, and moves downward along the float tube 4 to open the guide port 203 when the water level in the sewage chamber 201 falls.

[0025] More specifically, the sewage tank 2 has a sewage inlet 214 and a sewage outlet 215, the sewage inlet 214 is arranged on the side of the sewage tank 2 and close to the top of the sewage tank 2, and the sewage outlet 215 is arranged on the top of the sewage tank 2.

[0026] When the cleaning device is used to extract sewage, the air extractor 3 is started, the sewage enters the sewage cavity 201 from the sewage inlet 214 and is collected in the sewage cavity 201, the floating ball 5 moves upward with the rising water level, and when the sewage cavity 201 is filled or close to being filled, the floating ball 5 abuts against the flow guide opening 203, thereby closing the flow guide opening 203 and causing the air extractor 3 to fail to extract air, so as to avoid the sewage flowing into the air extractor 3 and causing damage to the air extractor 3.

[0027] As can be seen from the above, the embodiment provides a cleaning device to solve the problem that when the existing cleaning instrument extracts sewage, the sewage cavity is filled with sewage and the operator does not discover in time, the sewage flows into the air extractor, and the air extractor is damaged. The floating ball tube 4 is arranged in the sewage cavity 201, the floating ball 5 is arranged in the floating ball tube 4, the floating ball tube 4 is communicated with the flow guide pipe 202 through the flow guide opening 203 and is communicated with the sewage cavity 201, so that the floating ball 5 moves upward to close the flow guide opening 203 when the water level in the sewage cavity 201 rises and moves downward to open the flow guide opening 203 when the water level in the sewage cavity 201 falls, thereby avoiding the sewage flowing into the air extractor 3 from the flow guide pipe 202 when the sewage cavity 201 is full, and causing damage to the air extractor 3. At the same time, since the flow guide pipe 202 is arranged on the sewage tank 2, when the base 1 and the sewage tank 2 adopt a split structure, the sewage tank 2 can be easily detached from the base 1 to pour out the sewage.

[0028] In the embodiment of the utility model, the floating ball tube 4 is a filter screen tube. The above-mentioned setting avoids solid impurities in the sewage from entering the air extractor 3 through the flow guide pipe 202, thereby causing damage to the air extractor 3, by configuring the floating ball tube 4 as a filter screen tube. In other embodiments, a filter screen is wrapped on the floating ball tube 4.

[0029] In the embodiment of the utility model, the floating ball tube 4 is provided with a sealing element 6 between the flow guide opening 203 and the floating ball 5, the sealing element 6 is tightly attached to the inner wall of the floating ball tube 4 and has a passage communicating the floating ball tube 4 and the flow guide pipe 202, and the floating ball 5 is tightly attached to the passage opening of the sealing element 6 when the floating ball 5 moves upward to close the flow guide opening 203. The above-mentioned setting has good sealing performance when the floating ball 5 moves upward to close the flow guide opening 203 by configuring the sealing element 6 between the flow guide opening 203 and the floating ball 5.

[0030] In the embodiment of the utility model, the float ball pipe 4 has an axial extension part 401 and a radial extension part 402, the radial extension part 402 extends circumferentially around the flow guide port 203, the axial extension part 401 extends from the radial extension part 402 into the sewage cavity 201 and has a float ball cavity (not marked in the figure) for accommodating the float ball 5, the sealing member 6 has a stop part 601 and a sealing ring part 602, the stop part 601 is arranged between the radial extension part 402 and the sewage tank 2, the sealing ring part 602 extends into the float ball pipe 4 from the stop part 601, the sealing ring part 602 is tightly attached to the inner wall of the float ball pipe 4 and has a passage for connecting the float ball pipe 4 and the flow guide pipe 202. The above arrangement stably assembles the float ball pipe 4 and the sealing member 6 by arranging the float ball pipe 4 as the radial extension part 402 extending circumferentially around the flow guide port 203 and the axial extension part 401 extending into the sewage cavity 201, and arranging the sealing member 6 as the stop part 601 arranged between the radial extension part 402 and the sewage tank 2 and the sealing ring part 602 extending into the float ball pipe 4 from the stop part 601.

[0031] In the embodiment of the utility model, the sewage tank 2 is detachably fixedly connected with the base 1, the base 1 has a placement surface 103 for placing the sewage tank 2, the placement surface 103 is formed with a slot 104, and the sewage tank 2 has a plug-in part 204 for plug-in cooperation with the slot 104. The above arrangement facilitates the pouring of sewage by arranging the sewage tank 2 to be detachably fixedly connected with the base 1.

[0032] In the embodiment of the utility model, the sewage tank 2 has an upper connecting port 205 and a lower connecting port 206, the flow guide pipe 202 has an external pipe 207 and an internal pipe 208, the external pipe 207 is arranged outside the sewage cavity 201 and extends from the flow guide port 203 to the upper connecting port 205, the internal pipe 208 is arranged inside the sewage cavity 201 and extends from the upper connecting port 205 to the lower connecting port 206, and the lower connecting port 206 is arranged opposite to the connecting port 102. The upper connecting port 205 and the flow guide port 203 are arranged at the top of the sewage tank 2, and the lower connecting port 206 is arranged at the bottom of the sewage tank 2. The above arrangement facilitates the compact and simple assembly of the flow guide pipe 202 by arranging the flow guide pipe 202 as the external pipe 207 located outside the sewage cavity 201 and the internal pipe 208 located inside the sewage cavity 201, and facilitates the pouring of sewage by detaching the sewage tank 2 from the base 1.

[0033] In the embodiment of the utility model, the external pipe 207 is detachably fixedly connected with the sewage tank 2 at the flow guide port 203 and the upper connecting port 205, and the internal pipe 208 is integrally formed with the sewage tank 2. The above arrangement facilitates the disassembly and maintenance of the external pipe 207 by arranging the external pipe 207 to be detachably fixedly connected with the sewage tank 2. Meanwhile, the integrally formed internal pipe 208 and the sewage tank 2 are tightly connected, and have good air tightness.

[0034] In the embodiment of the utility model, the sewage tank 2 has a self-guiding port 203 extending upward and a spigot 209 inserted and matched with the external pipe 207. The above-mentioned arrangement inserts and matches the spigot 209 with the external pipe 207 on the sewage tank 2, and makes the external pipe 207 and the sewage tank 2 stably assembled.

[0035] In the embodiment of the utility model, the sewage tank 2 is provided with a first positioning groove 210 arranged around the guiding port 203, and the external pipe 207 is provided with a first positioning ring 211 inserted and matched with the first positioning groove 210. The sewage tank 2 is provided with a second positioning groove 212 arranged around the upper connecting port 205, and the external pipe 207 is provided with a second positioning ring 213 inserted and matched with the second positioning groove 212. The above-mentioned arrangement inserts and matches the first positioning groove 210 and the second positioning groove 212 on the sewage tank 2, and inserts and matches the first positioning ring 211 and the second positioning ring 213 on the external pipe 207, so that the external pipe 207 and the sewage tank 2 are stably assembled.

[0036] It should be understood that the utility model uses the terms "first", "second" and the like to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the utility model, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information. In addition, the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0037] As described above, one or more embodiments are provided in combination with specific content, and it is not intended that the specific implementation of the utility model is limited to these descriptions. Any approximation, similarity or replacement of the method and structure of the utility model, or any technical deduction or replacement under the concept of the utility model, should be regarded as the protection of the utility model.

Claims

1. A cleaning apparatus comprising a base, a sump and an extractor fan, characterised in that, The base has a containing cavity and a connecting port, the exhaust fan is contained in the containing cavity, the sewage tank has a sewage cavity, a flow guide pipe and a flow guide port, the flow guide pipe communicates with the sewage cavity through the flow guide port, and the flow guide pipe communicates with the exhaust fan through the connecting port, a float ball pipe is arranged in the sewage cavity, a float ball is arranged in the float ball pipe, the float ball pipe communicates with the flow guide pipe through the flow guide port, the float ball pipe communicates with the sewage cavity, and the float ball moves upwards along the float ball pipe to close the flow guide port when the water level in the sewage cavity rises, and the float ball moves downwards along the float ball pipe to open the flow guide port when the water level in the sewage cavity falls.

2. The cleaning apparatus according to claim 1, wherein The float ball pipe is a filter screen pipe or a filter screen is wrapped on the float ball pipe.

3. The cleaning apparatus of claim 1, wherein The float ball pipe is detachably fixedly connected with the flow guide port and the sewage tank.

4. The cleaning apparatus of claim 3, wherein A sealing member is arranged between the float ball pipe and the flow guide port and between the float ball pipe and the float ball, the sealing member is tightly attached to the inner wall of the float ball pipe and has a passage communicating the float ball pipe and the flow guide pipe, and the float ball is tightly attached to the passage of the sealing member when the float ball moves upwards to close the flow guide port.

5. The cleaning apparatus of claim 4, wherein The float ball pipe has an axial extension and a radial extension, the radial extension extends circumferentially around the flow guide port, and the axial extension extends from the radial extension towards the sewage cavity and has a float ball cavity containing the float ball. The sealing member has a stop portion and a sealing ring portion, the stop portion is arranged between the radial extension and the sewage tank, and the sealing ring portion extends into the float ball pipe from the stop portion, the sealing ring portion is tightly attached to the inner wall of the float ball pipe and has a passage communicating the float ball pipe and the flow guide pipe.

6. The cleaning apparatus of claim 1, wherein The sewage tank is detachably fixedly connected with the base, the base has a placing surface on which the sewage tank is placed, the placing surface has a slot formed thereon, and the sewage tank has a plug-in portion which is plugged into the slot.

7. The cleaning apparatus of claim 1, wherein The sewage tank has an upper connecting port and a lower connecting port, the flow guide pipe has an external pipe and an internal pipe, the external pipe is arranged outside the sewage cavity and extends from the flow guide port to the upper connecting port, the internal pipe is arranged inside the sewage cavity and extends from the upper connecting port to the lower connecting port, and the lower connecting port is arranged opposite to the connecting port.

8. The cleaning apparatus of claim 7, wherein The external pipe is detachably fixedly connected with the flow guide port, the upper connecting port and the sewage tank.

9. The cleaning apparatus of claim 7, wherein The internal pipe is integrally formed with the sewage tank.

10. The cleaning apparatus of claim 8, wherein The sewage tank has a plug-in pipe which is plugged into the external pipe and extends upwards from the flow guide port; and / or the sewage tank has a first positioning groove arranged around the flow guide port, and the external pipe has a first positioning ring which is plugged into the first positioning groove; and / or the sewage tank has a second positioning groove arranged around the upper connecting port, and the external pipe has a second positioning ring which is plugged into the second positioning groove.

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