JPH0484919A - Vacuum cleaner - Google Patents

Abstract

PURPOSE:To prevent the occurrence of clogging of a cylindrical filter and to maintain the high suction capacity extending over a long period by providing a brush body having a brush for coming into slide-contact with the filter surface on the outer peripheral surface of the cylindrical filter so as to be freely rotatable. CONSTITUTION:When a motor-driven air blower 9 is driven by connecting a auction hose to a suction hose connecting cylinder 30, suction air containing dust and water is sucked into a water tank 32. In this case, even if a part of dust and water is going to be sucked into the motor-driven air blower 9 together with suction air, dust and water are caught by the filter surface 39 of a cylindrical filter 38, and not sucked into the motor-driven air blower 9. In this case, a brush body 41 rotates automatically since suction air and water which flow like a vortex hit against a vertical projection 44. In such a manner a brush 43 is rotated, while coming into slide-contact with the filter surface 39, and obstructs a fact that dust adheres to the filter surface 39. Accordingly, it does not occur that the filter surface 39 is clogged with dust, and the high suction capacity can be maintained while extending over a long period.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a vacuum cleaner that collects dust using water stored in a water tank.

(b) Prior art As a technology prior to the present invention, for example, Utility Model Application No. 61-61
No. 948 and Japanese Utility Model Application Publication No. 61-79624 disclose a vacuum cleaner that can also suck in water and separates dust by blowing suction air containing dust onto water in a water tank. There is. However, in these vacuum cleaners, water and dust are mixed in the water tank, and there is a risk that the water and dust may be sucked into the electric blower. Therefore, for example, as shown in Japanese Patent Application Laid-Open No. 59-192324, in a vacuum cleaner that can also suck water,
Some electric blowers are equipped with a filter that covers the intake port of the electric blower to prevent dust from entering the electric blower, but this also has the disadvantage that if the filter becomes clogged with dust, the suction capacity will be reduced.

(c) Problems to be Solved by the Invention The present invention has been made to solve the above-mentioned drawbacks, and in order to prevent dust from being sucked into the electric blower, the cylindrical filter that covers the communication port does not become clogged. So,
Therefore, it is an object of the present invention to provide a vacuum cleaner that can maintain high suction capacity over a long period of time.

(d) Means for Solving the Problems In order to solve the above problems, the vacuum cleaner of the present invention houses an electric blower in the upper case of the main body, and communicates with the electric blower in the lower case of the main body. A water tank equipped with a communication port and a suction port is removably housed, and suction air containing dust is blown onto the water stored in the water tank to separate dust, and a filter is installed in the water tank. A cylindrical filter having a circumferential surface is housed and disposed so as to cover the communication port, and a brush body having a brush that is in sliding contact with the filter surface is rotatably disposed on the outer peripheral surface of the cylindrical filter. It is characterized by being

(E) Effect With the above configuration, when the electric blower is driven, the suction air containing dust and water enters the water tank and is blown against the water stored in the water tank, and the dust is sucked in by contact with the water. Separated from air and collected in water. Even if dust tries to be sucked into the electric blower, this dust is captured by the cylindrical filter. Here, the brush body rotates the outer peripheral surface of the cylindrical filter so that the brush comes into sliding contact with the filter surface,
This prevents dust from adhering to the filter surface.

(f) Implementation example Hereinafter, the vacuum cleaner of the present invention will be explained based on the drawings.

Reference numeral 1 denotes a vacuum cleaner main body case of a vacuum cleaner, in which a removable main body upper case 2 and a main body lower case 3 are fixed with a clamp 4 and integrated. The main body upper case 2 has a double-walled structure of an outer case 5 and an inner case 6, and is provided with an upper cover 7 that is movable up and down at the upper part, and a bottom plate 8 which serves as a partition wall from the lower case 3 at the lower part. There is.

9 is an electric blower equipped with a cooling fan 10 at the rear; 11 is an air guide tube that covers the electric blower 9; the air guide tube 11 includes a morph cover tube 12 that covers the motor section 9a of the electric blower 9 and a fan section 9b The fan cover tube 13 is provided with an intake port 14 in the center thereof which communicates with the intake side of the fan section 9b. The electric blower 9 is elastically held by first and second annular packings 15 and 16 that airtightly seal the intake side and the exhaust side of the fan section 9b, and the fan section 9b and the motor section 9a, respectively. The air guide tube 11 is housed in the inner case 6 with the air intake port 14 facing downward from the bottom opening 17 of the bottom plate 8, with its lower part reinforced by an air guide support annular packing 18. be done. Further, the morph section 9 of the electric blower 9
The rear portion a is supported by the upper bottom surface of the outer case 5 via a motor support tube 19 that accommodates the cooling fan 10 and a motor support gasket 20.

At the top of the upper bottom surface of the outer case 5 is the motor support tube 1.
A cooling air current 21 is formed which communicates with the cooling air flow 9.

Reference numeral 22 denotes a power cord winding part formed in an annular shape on the upper part of the upper cover 5, which is covered with the above-described vertically movable upper cover 5, and is used to wind and store the power cord 23.

Furthermore, 24 and 25 are an exhaust port and a cooling air exhaust port respectively provided in the outer case 5, and 26 is an integral particulate filter, and the suction air coming out from the exhaust side of the fan section 9b of the electric blower 9 is connected to the fan cover tube. The air enters between the air guide tube 11 and the inner case 6 through the exhaust port 27 of 13, passes through the fine dust filter unit 26, and is discharged from the exhaust port 24.

On the other hand, the cooling air from the motor part 9a of the electric blower 9 reaches the motor part 9b from the gap 28 of the power cord wrapping part 22 through the cooling air flow 21, cools the motor part 9b, and then the air flows from the motor part 9b. The cooling air passes through the inside of the guide cylinder 11, passes through the cooling air passage 29 of the inner case 6, and is further discharged from the cooling air exhaust port 25.

30 is a suction hose connection tube, and a lower end opening 31 is formed in the bottom plate 8.

Reference numeral 32 denotes a cylindrical water tank that is removably housed in the lower case 3 of the main body, and includes a cylindrical lower container 34 with an opening at the top for storing water 33 as a dust collection filter, and a cylindrical lower container 34 which covers this upper opening and is removable. It consists of an upper lid 35 that is attached to the. The air intake port 14 is located in the center of the upper lid 35.
A communication port 36 that communicates airtight with the lower end opening 31 is formed on the side thereof, and a suction port 37 that communicates with the lower end opening 31 is formed on the side. The suction port 37 has a lateral outlet 37a that opens laterally in the circumferential direction of the water tank 32.

Reference numeral 38 denotes a cylindrical filter detachably attached to the upper M35 so as to cover the communication port 36 and disposed within the water tank 32, and has a filter surface 39 for separating the suction air from dust and water 33. There are surrounding areas.

40 is a float disposed inside the cylindrical filter 38 so as to be movable up and down, and the float 40 is connected to the water tank 3.
When liquid such as water is sucked into the container 2, it moves upward and closes the communication port 36.

Reference numeral 41 denotes a brush body rotatably disposed on the outer peripheral surface of the cylindrical filter 38, and the brush body 41 is connected to an annular brush frame 42 which is loosely fitted into the cylindrical filter 38, and an inner side of this annular brush frame 42. a plurality of brushes 43, 43, which are provided at regular angular intervals and come into sliding contact with the filter surface 39;
... and a plurality of vertical protrusions 44, 44, etc. provided at regular intervals on the outside of the annular brush frame 42, and when these vertical protrusions 44 are hit by suction air or water, the brush body 41 rotates, and as a result, the brush 43 rotates while slidingly contacting the filter surface 39.

Then, connect the suction hose (not shown) to the suction hose connection tube 3.
0 to drive the electric blower 9, suction air containing dust and water is sucked into the water tank 32. At this time, since the lateral outlet 37a of the suction port 37 opens laterally in the circumferential direction of the water tank 32, the suction air flows in a vortex shape and is blown against the water 33.
3 also rotates in a whirlpool to form a concave water surface,
Dust is separated from the suction air by contact with water 33,
The dust is collected and stored in the water 33. The suction air from which dust has been separated passes through the cylindrical filter 38, is sucked into the electric blower 9 through the communication port 36 and the intake port 14, and is then discharged from the exhaust port 24. Here, even if some of the dust and water are to be sucked into the electric blower 9 together with the intake air, the dust and water will be captured by the filter surface 39 of the cylindrical filter 38 and will not be sucked into the electric blower 9.

Here, the brush body 41 is automatically rotated when the suction air and water flowing in a spiral form hit the vertical protrusion 44, so that the brush 43 is moved toward the filter surface 3.
9 and prevents dust from adhering to the filter surface 39.

Therefore, the filter surface 39 is not clogged with dust, and high suction capacity can be maintained for a long period of time.

Further, the brush body 41 is attached to a cylindrical filter 38, and the cylindrical filter 38 is attached to the upper lid 35 of the water tank 32.
Since the brush body 41 can be easily removed, cleaning can be easily performed.

(G) Effects of the Invention Since the present invention is constructed as described above, the cylindrical filter that prevents dust from being sucked into the electric blower prevents the adhesion of dust by the brush of the brush body slidingly contacting the filter surface. It is possible to obtain an easy-to-use vacuum cleaner that can suck water without clogging the cylindrical filter, maintain high suction capacity for a long period of time, and is easy to use.

[Brief explanation of drawings]

The drawings all relate to embodiments of the vacuum cleaner of the present invention, and FIG. 1 is a vertical front view, FIG. 2 is a vertical right side view, FIG. 3 is a perspective view, and FIG. 4 is a sectional view taken along line A-A in FIG. , FIG. 5 is an exploded perspective view of the main parts. 2... Main body upper case, 3... Main body lower case, 9...
・Electric blower, 32... Water tank, 36... Communication port, 38... Cylindrical filter, 41... Brush body, 4
3...Brush.

Claims (1)

[Claims] (1) In addition to storing the electric blower inside the upper case of the main unit,
A water tank having a communication port and a suction port communicating with the electric blower is removably housed in the lower case of the main body, and dust is separated by blowing suction air containing dust onto the water stored in the water tank. A cylindrical filter having a surrounding filter surface is housed in the water tank so as to cover the communication port, and a brush is provided on the outer peripheral surface of the cylindrical filter so as to be in sliding contact with the filter surface. A vacuum cleaner characterized by having a brush body rotatably arranged.