JPS6057851B2 - vacuum cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dust removal device for a vacuum cleaner, in which coarse dust captured by a primary filter is peeled off from a mesh portion of the same filter to prevent performance deterioration, and the filter device is used when disposing of garbage. To provide a vacuum cleaner that prevents dust from falling due to vibration or the like and staining a floor surface, and enables sanitary disposal of garbage.

In recent years, there has been a demand for vacuum cleaners that can be hygienically disposed of without getting your hands dirty.As a one-sided vacuum cleaner, the upper surface of the dust collection box that can be attached and detached from the main body is opened, and this opening A 7i system is being considered for a pool consisting of a primary filter and a secondary filter so as to close the lid.

However, in this case, the size of the main body is limited due to design and usability, and the air flow path area of the primary filter can be increased, so when dust is sucked in, it quickly clogs and the suction performance deteriorates. There is concern about the problem of a decline in In addition, when the dust collection box is pulled out from the main body to dispose of garbage, the problem of dust falling from the filter device installed in the main body and staining the floor surface, etc., must be solved, which is unhygienic. The present invention solves the above problems, and one embodiment thereof will be described below with reference to the drawings.

In the figure, 1 is on the main body of the vacuum cleaner which has an electric blower 2 built therein, and 3 is the lower main body provided at the lower part of the upper main body 1, which is combined with the upper main body 1 to form the main body A.

4 is a cord winding device disposed under the electric blower 2; 5;
8 is a main body lid fixed to a lid mounting bracket 7 that rotates around a lid shaft 6 fixed to the main body 1; 8 is a front lid having a suction port 9;
while holding the filter outer frame 10 and front lid 8.
is fixed to the main body lid 5 with screws 12.

Reference numeral 13 denotes a filter packing that fits into the annular protrusion 4 of the main body lid 5 and a part of the lid abutting plate 15, and is clamped and fixed to the filter outer frame 10. 16 is a secondary filter having a wave-shaped filter material 17 for collecting fine dust;
It is crimped onto the filter backing 13 to prevent dirt leakage, and the lower part is supported and fixed by the filter receiving part 19 of the primary filter 18.

The primary filter 18 is formed into a substantially cylindrical shape, and has mesh portions 20 at multiple locations to collect coarse dust, and locking portions 22 are fitted into hook holes 21 formed in the filter outer frame 10. It is fixed. 23 is the filter outer frame 1
The elastic outer frame packing 24 fitted in the outer frame packing 24 is a dust collecting box located between the lower main body 3 and the primary filter 18, and is in contact with the dust collecting part 25 for collecting dust and the outer frame packing 23. It has a flat part 26 to prevent air leakage and a flange 27 provided around the entire circumference to prevent dust from falling out.

28 is a dust collection box handle fixed to the dust collection box 24; 29 is a dust bag made of a breathable material attached to the inner surface of the dust collection box 24;
30 is a press plate rotatably and slidably provided on the inner periphery of the primary filter 18; 31 is a fine dust valve mounting portion formed in a concave shape approximately in the center of the press plate 30, and has a fine dust discharge port 32; There is.

A cylindrical sliding wall 33 that slides on the inner surface of the primary filter 18 is provided on the outer periphery of the pressing plate 30, thereby simultaneously forming a fine dust receptacle 34. Reference numeral 35 designates a dust removing plate protruding from the lower surface of the pressing plate 30, and its end portion approaches the primary filter 18 and scrapes off coarse dust attached to the primary filter 18 as the pressing plate 30 rotates.

36 is a fine dust receiving plate which is fixed to the fine dust valve mounting part 31 of the pressing plate 30 with screws or the like and closes the fine dust valve mounting part 31, and is located about 180 mm opposite from the fine dust discharge port 32. Incorporate fine dust. The secondary filter 16
It is configured so that it can rotate and slide on a bearing 40.

41 is a fine dust valve that is inserted into the space formed between the fine dust valve mounting part 31 and the fine dust receiving plate 36, and is made of an elastic body such as a comb, and has a through hole to form a fine dust reservoir. 42 is provided, and the central part is fixed to the tip of the pressing plate shaft 43 with a fixing screw 44, and the pressing plate 30 and the fine dust receiving plate 36 are integrated and attached to a fixed part such as the primary filter 18. The rotating members are configured to be able to slide relative to each other.

Reference numeral 45 denotes a fine dust collecting plate formed on the saw body of the primary filter 18, and when the pressing plate 30 and the fine dust receiving plate 36 rotate, the fine dust collected on the fine dust receiving plate 34 is collected into the fine dust intake port 37. to collect.

Reference numeral 46 denotes a buckle slidably provided on the upper surface of the main body lid 5, and is biased by a buckle spring 47 so that a buckle locking portion 48 is engaged with a buckle hooking portion 49 provided integrally on the main body 1.

The press plate shaft 43 is fitted into the inner periphery of the rotating shaft 39 of the fine dust receiving plate 36, and is rotatable relative to the fine dust receiving plate 36 together with the fine dust valve 41, and has a push button 50 on the upper part. By pressing the push button 0 downward, the pressing plate shaft 43, the fine dust receiving plate 36, and the pressing plate 30 are lowered, and the lower end of the sliding wall 33 is attached to the lower end of the primary filter 18. It is designed to stand out more. 51 is a fixing plate that presses and fixes the press plate shaft packing 52.

Further, the push button 50 is prevented from coming off by fitting a push button locking portion 53 into a locking hole 54 provided in the press plate shaft 43, and a buckle operating portion 55 is formed on the upper side, and the buckle 46
The buckle 46 is brought into contact with the inclined portion 56 provided in the buckle spring 47.
The buckle locking portion 48 and the buckle hooking portion 49 are moved against the force of
It plays the role of disengaging the . Reference numeral 57 denotes a dust removal gear, which is rotatably supported by the bearing 40 of the secondary filter 16 and has a transmission pawl 5 that engages with the passive pawl 38 provided at the upper end of the rotating shaft 39.
8 and transmits the rotation of the cord winding device 4.

A diaphragm 59 is formed integrally with the dust removal gear 57, and transmits vibration to the secondary filter 16 to remove dust.

In addition, a lid spring (not shown) is provided between the main body top 1 and the main body lid 5.
is attached, which biases the main body lid 5 to be lifted upward when the buckle 46 is released. 60 is a handle fixed to the main body lid, 61 is a front wheel 62 is a rear wheel.

In the above configuration, when cleaning, the suction port 9 of the front cover 8
When dust is inhaled by inserting the hose connection port into the filter, the coarse dust is collected by the mesh section 20 of the primary filter 18, and the air passes through the mesh section 20 and then passes through the outer periphery of the primary filter 18 to the secondary filter. The fine dust flows into the filter medium 16 and is captured by the filter medium 17.

The air that has passed through the secondary filter 16 is sucked into the electric blower 2. After cleaning is completed and the cord is wound into the cord winding device 4, when the cord is pulled out to start operation again, the dust removal gear 57 rotates as the cord winding device 4 rotates, and the diaphragm 59 and the filter material 17 are rotated. The fine dust adhering to the secondary filter 16 is caused to fall by applying vibration to the fine dust receiver 34.
I accept it. Further, since the transmission pawl 58 of the dust removal gear 57 and the passive pawl 38 of the fine dust receiving plate 36 are engaged, the dust removal gear 57
When 7 rotates, the pressing plate 3 fixed to the fine dust receiving plate 36
0 also rotates, and as shown in FIG. It is peeled off and dropped into the dust collection box 24 to recover the suction performance. At this time, the dust removal plate 35 rotates close to or in contact with only the upper part of the mesh part, but since the coarse dust is attached in a layered manner, the coarse dust on the entire surface of the mesh part 20 can be scraped off simply by peeling off the upper part. Can be done. Furthermore, even if the amount of dust sucked is small, by making the dust removal plate 35 come into contact with the net portion 20, the coarse dust can be reliably scraped off. Next, press plate 3
0 rotates, the fine dust accumulated on the fine dust receiver 34 is collected by the fine dust collection plate 45 and introduced into the fine dust intake port 37. The fine dust reservoir 42 of the fine dust valve 41 collects the fine dust that has flowed in from the fine dust intake port, and when the press plate 30 rotates further and the fine dust reservoir 42 and the fine dust discharge port 32 overlap, the fine dust is removed. It is discharged to the dust collection box 24 side and accumulates on top of the coarse dust inside the dust collection box. Next, when disposing of garbage, when the push button 50 is pressed, the press plate 30 connected to the press plate shaft 43 descends, moving the dust toward the dust collection box 24 and compacting it. When the push button 50 is pressed further, the buckle operation part 55 pushes the inclined part 56 to move the buckle 46, the buckle locking part 48 is released from the buckle hook part 49, and the main body cover 5 is lifted upward by the biasing force of the cover spring. , the dust collection box 24 can be pulled out. Then, as shown in FIG. 3, the dust can be disposed of from the dust collection box 24 by closing the mouth of the dust collection bag 29. At this time, there is a risk that dust may fall from the filter device due to vibrations and contaminate the floor surface, but the net portion 20 of the primary filter 18 is removed by the dust removal plate 35 and is in a clean state with no coarse dust attached. Due to the rotation of the press plate 30, the fine dust attached to the press plate 30 moves relative to the sucked dust, and there is a danger that the fine dust does not adhere to the press plate 30 and the dust falls. You can dispose of garbage hygienically without getting your hands dirty. In this embodiment, only one rib-shaped dust removal plate 35 is protruded from the pressure plate 30, but a plurality of rib-shaped dust removal plates 35 may be provided.Also, the same effect can be obtained even if the rib-shaped dust removal plate 35 is angled with respect to the rotation direction. can get. As described above, according to the present invention, the upper surface of the dust collection box that can be attached and detached from the main body is opened, and the approximately cylindrical primary filter and the secondary filter located above the primary filter are installed so as to close this opening. In addition to disposing the filter, a substantially disc-shaped press plate that fits around the inner periphery of the primary filter is rotatably disposed, and a dust removal plate that contacts or is close to the primary filter is provided on the press plate. By circuiting the above-mentioned pressure plate, it is possible to prevent early deterioration of suction performance, and also to prevent dust from falling from the filter device and staining the floor surface when disposing of garbage. We can provide a vacuum cleaner that can do this.

[Brief explanation of the drawing]

Fig. 1 is a cutaway side view of essential parts of a vacuum cleaner according to an embodiment of the present invention, and Fig. 2 is a sectional view taken along line A-A in Fig. 1, in which the dust removal plate of the press plate removes coarse dust from the primary filter. Indicates the state in which the FIG. 3 is a cross-sectional view of the main part of the dust collection box, showing the state of garbage disposal. 16...Secondary filter, 18...Primary filter, 24...Dust collection box, 30...
...Press plate, 35...Dust removal body [dust removal plate].

Claims (1)

[Claims] 1 A dust collection box with an open top, a roughly cylindrical primary filter positioned to close the opening of the dust collection box to capture coarse dust, and a primary filter located above the primary filter to capture fine dust. A secondary filter to be captured, a substantially disc-shaped pressing plate that fits on the inner circumferential surface of the primary filter, and a pressing plate that is fixed to the pressing plate and that is in contact with or close to the 3-pass surface of the primary filter to capture the same filter. A vacuum cleaner that includes a dust removing body that scrapes off dust adhering to the filter, and that allows the primary filter and the pressing plate to rotate relative to each other.