JPS6259576B2 - - Google Patents

Description

Detailed Description of the Invention: The present invention uses a motor driven by a battery to rotate blades to easily suck up small dirt and dust attached to various devices used in ordinary homes, frame frames, ornaments, etc. The present invention relates to a small electric vacuum cleaner that can be used for cleaning.

Most conventional small electric vacuum cleaners, such as those found in tabletop cleaners, are used on surfaces with little unevenness, such as tables. It was very inconvenient to clean.

In view of the above-mentioned conventional problems, the present invention makes it possible to easily clean small grooves, deep parts, highly uneven surfaces, etc. in various devices, and also to clean dirt and dust accumulated in the dust collection chamber. The purpose of this invention is to provide a small electric vacuum cleaner that does not allow dust to leak out of the dust collection chamber, and the present invention will be described below based on drawings showing embodiments thereof.

In Figures 1 to 3, 1 is the main case;
This main body case 1 has a partition wall 2 formed in the center thereof, and a motor 3 is attached to this partition wall 2. 4 is a motor cover that covers the motor 3, and this motor cover 4 is attached to the main body case 1 with screws 5. 6 is a blade attached by press-fitting to the rotating shaft 3a of the motor 3;
has a slight gap 7 between it and the partition wall 2, and is rotationally driven by the motor 3.
8 is a blade protection plate installed on the protruding step 9 of the main body case 1, and this blade protection plate 8 has a ventilation hole 1 in the center.
0, an annular protrusion 11 is formed close to the outer periphery, and a plurality of ribs 12 are formed between the annular protrusion 11 and the ventilation hole 10. Reference numeral 13 denotes a dust collection case that is detachably attached to the main body case 1. This dust collection case 13 has an intake port 15 to which a cylindrical suction nozzle 14 is detachably attached, and is made of an elastic material such as a sponge inside. A dust chamber 17 is formed between the filter 16 and the air intake port 15. Reference numeral 18 denotes an annular packing attached to the outer periphery of the annular protrusion 11 of the blade protection plate 8. This annular packing 18 is compressed when the dust collection case 13 is press-fitted into the main body case 1, and its outer periphery is attached to the main body. It comes into close contact with the inner wall of case 1. Further, the filter 16 is also the filter 16 of the dust collection case 13.
When the side is press-fitted into the main body case 1, the annular protrusion 19 provided in the dust collection case 13 and the annular protrusion 11 of the blade protection plate 8 are clamped and pressed against the inner wall of the dust collection case 13. Retained.

20 is a grip part integrally molded on the main body case 1;
This grip portion 20 is approximately 75 mm relative to the axis A of the motor 3.
It is tilted toward the motor cover 4 side, that is, the dust collection case 13, main body case 1, and motor cover 4 form a substantially T-shape, and a plurality of batteries 21 for driving the motor 3 are installed inside. ing. 22 is a spring terminal that contacts the negative side of the battery 21, and this spring terminal 22 is held in a part of the partition wall 2, and the lead wire 2
3 to one terminal of the motor 3. Reference numeral 24 denotes a terminal plate installed at the inner bottom of the grip portion 20, and this terminal plate 24 contacts the positive side of the battery 21. Reference numeral 25 indicates an on-piece provided in a part of the grip portion 20.
This switch 25 is an off switch, and is connected to the other terminal of the motor 3 via a lead wire 26, and is also connected to the terminal board 2 via another lead wire 27.
Connected to 4. 28 is a battery cover, and this battery cover 28 is removably fitted into the grip portion 20.

Reference numeral 29 denotes a plurality of ribs integrally formed on the outer half of the motor cover 4. The tips of the ribs 29 are close to the inner wall of the main body case 1 when the motor cover 4 is attached to the main body case 1, and the ribs 29 The space between them becomes an exhaust passage 30. Further, a semicircular arc-shaped through hole (not shown) is provided in the partition wall 2 of the main body case 1 so as to face the exhaust passage 30.

FIG. 4 shows another suction nozzle 14a that is detachably attached to the intake port 15 of the dust storage case 13. This suction nozzle 14a is different from the suction nozzle 14 shown in the above embodiment, and has an elongated cylindrical shape. and a brush 14 is provided at the periphery of the tip opening.
A′ is planted. The suction nozzle 14 shown in the above embodiment has a wide tip as shown in FIG. 1, and a brush 14' is installed around the periphery of the wide tip opening.

FIG. 5 shows the filter 16, and the blade protection plate 8 side of the filter 16 is provided with a protrusion 16a for attaching and detaching the filter. The protrusion 16a may be molded integrally with the filter 16, or may be made of the same material as the filter 16, and the protrusion 16a may be bonded.

The operation in the above configuration will be explained. When suctioning and removing small dirt and dust that has adhered to small grooves, deep parts of various devices used in general households, or extremely uneven surfaces, use the suction nozzle 1.
When the brushes 14' and 14a' of 4 and 14a are brought close to small dirt and dust and the switch 25 is turned on, the motor 3 is driven and the blade 6 is rotated.
Due to the rotation of the blades 6, small dirt, dust, etc. are sucked into the suction nozzles 14, 14a, and when they hit the filter 16, they are accumulated in the dust chamber 17. The air then passes through the filter 16 and is sucked into the blades 6 through the ventilation holes 10 of the blade protection plate 8, and then passes through the through holes (not shown) in the partition wall 2 through a plurality of holes provided on the outside of the motor cover 4. It is discharged to the outside from the exhaust passage between the ribs 29. Through this operation process, small dirt and dust are removed from the dust collection chamber 17.
In this case, the filter 16 is removed from the annular protrusion 1 provided inside the dust collection case 13.
9 and the annular protrusion 11 of the blade protection plate 8 and are held in pressure contact with the inner wall of the dust collection case 13, so that small dirt, dust, etc. accumulated in the dust collection chamber 17 are removed from the dust collection chamber 17. It will not leak out. In addition, since the filter 16 is elastically held on the inner wall of the dust collection case 13, when the dust collection case 13 is removed from the main case 1, the filter 16 can easily come off and remove small dirt and dust inside the dust collection chamber 17. It is also possible to prevent items from falling. Furthermore, since the filter 16 is provided with a protrusion 16a on the side of the blade protection plate 8, the filter 16 can be attached to the dust collection case 13.
If you want to remove it, you can easily remove it by holding the protrusion 16a and pulling it. Therefore, when disposing of small pieces of dirt accumulated in the dust storage chamber 17, there is no need to directly touch the surface of the filter 16 on which the pieces of dirt are attached, making handling very convenient.

As described above, according to the present invention, it is possible to easily suction and remove small dirt and dust attached to small grooves, deep parts, uneven surfaces, etc. of various devices used in general households. In particular, the filter is held on the inner wall of the dust collection case by being clamped between a protrusion provided inside the dust collection case and a blade protection plate, and the outer periphery of the filter is pressed against the inner wall of the dust collection case. The part is compressed and the porosity of that part becomes extremely small, creating a packing effect, so small dirt and dust that has accumulated inside the dust collection chamber will not leak out of the dust collection chamber. Moreover, since the filter is elastically held on the inner wall of the dust collection case, when the dust collection case is removed from the main case, the filter easily comes off and small particles and dust inside the dust collection chamber fall out. It has various excellent effects, such as being able to prevent problems.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a small electric vacuum cleaner showing an embodiment of the present invention, Fig. 2 is a vertical sectional view showing a part of the vacuum cleaner with a cutaway, and Fig. 3 is a handle cover of the vacuum cleaner. FIG. 4 is a perspective view of a suction nozzle used in the vacuum cleaner, and FIG. 5 is a perspective view of the filter. 1...Body case, 3...Motor, 6...Blade, 8...Blade protection plate, 13...Dust collection case, 1
4, 14a...Suction nozzle, 15...Intake port, 1
6... Filter, 16a... Protrusion, 17... Dust collection chamber.

Claims (1)

[Scope of Claims] 1. A dust collection case having an intake port to which a suction nozzle is detachably attached, and a filter provided inside to form a dust storage chamber between the filter and the intake port; A main body case that is detachably attached to the filter side of the dust collection case and has a blade inside that is rotationally driven by a motor, and a blade protection plate that is installed on the side where the main case connects to the dust collection case. The filter is formed of an elastic material such as sponge, and is held in pressure contact with the inner wall of the dust collection case by being clamped between a protrusion provided inside the dust collection case and a blade protection plate. Electric vacuum cleaner. 2. Claim 1, wherein a protrusion for attaching and detaching the filter is provided on the blade protection plate side of the filter.
Small electric vacuum cleaner as described in section.