JPS581936B2 - vacuum cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vacuum cleaner, and more particularly to a filter dust removal device that drives a dust removal body that removes dust from a filter.

Various types of conventional vacuum cleaners have various structures for the filter dust removal device, but all of the conventional filter dust removal devices do not remove the dust from the dust collecting section after performing the dust removal operation. Disadvantages: Dust is scattered during dust removal, which is unsanitary, and the operation is complicated, and if you forget to perform the dust removal operation, dust remains attached to the filter and the dust suction efficiency decreases. have.

The present invention has been made in view of the above-mentioned drawbacks, and the dust removal body is driven when the filter unit is removed from the dust collecting section to remove dust from the filter, thereby making it possible to perform the dust removal in a clean and sanitary manner. To provide a vacuum cleaner that has little resistance during removal, can be easily removed, and can be reliably removed without worrying about removing dust from the filter.

Next, the configuration of an embodiment of the present invention will be explained with reference to the drawings 1, 2, and 2.

Reference numeral 1 denotes a vacuum cleaner body, which includes an electric side case 2 and a dust collection side case 3 that is detachably connected to the opening of the electric side case 2.
An upward locking part 4 is formed at the lower edge of the front surface of the electric side case 2, a clamp locking hole 5 is formed at the upper part, and a clamp locking hole 5 is formed at the lower part of the opening of the dust collecting side case 3. An engaging portion 6 that is engaged with the locking portion 4 is formed downward, and a clamp hook body 7 that is locked with the locking hole 5 is provided at the upper part.

Further, on the front side of the electric side case 2, a vibration-proof support 1 formed of rubber or the like is provided inside a support wall surface 9 having a ventilation portion 8.
0 is provided, and the front part of the electric blower 12 is connected to the vibration-proof support 1 so that the suction side of the electric blower 12 is connected to the ventilation passage 11 that communicates with the ventilation section 8 formed in the vibration-proof support 10.
0 is fitted and supported.

Also, the rear part of this electric blower 12 is a cord reel storage section 1.
The electric blower 12 is supported by a vibration-proof support 15 made of rubber or the like on a partition wall 14 forming the case 3, and the discharge side of the electric blower 12 is connected to the exhaust air formed on the back side of the electric side case 2 through an exhaust passage 16. It communicates with the hole 17.

Further, the cord reel storage section 13 has a cord reel 18.
is rotatably supported on a rotating support shaft 19, and this cord reel 18 is energized by a mainspring spring 20 in the winding direction of the cord 210.

Further, wheels 22 are mounted on both sides of the electric power side case 20.

Further, a handle portion 23 is formed on the upper part of the electric-powered side case 2.

Next, a suction port 24 is opened in the front surface of the dust collection side case 3 to which a hose connected to a suction port body such as a floor brush is connected.

Further, a filter unit 26 is detachably attached to the rear opening of the dust collecting section 25 formed in the dust collecting side case 3.

This filter unit 26 includes a first filter member 28 that is removably fitted on the front surface of a filter frame 27, and
A second filter member 29 is located on the back side of the filter member 28 and is attached to the filter frame 27.The first filter member 28 is made of a coarse mesh material, and the second filter member 29 is The member 29 is made of wavy bent paper or the like.

Further, a ventilation portion 31 is formed in the support plate 30 that is attached to face the support wall surface 9 of the filter frame 27, and a ventilation portion 31 is formed in the center of the dust removal body 33 in the shaft support hole 32 formed in the support plate 30. A shaft support 34 is rotatably fitted therein.

A dust removing member 35 made of an elastic wire such as a piece of piano wire is disposed on the front surface of the dust removing member 33 in the radial direction of the dust removing member 330.
A protrusion 36 is bent at the tip of the dust removal member 35 and is slidably contacted with the rear top strip 37 of the second filter member 29 .

Further, the handle 38 of the front filter unit 26 is attached to the support plate 3.
0.

Further, a bagging 39 is fitted to the periphery of the filter frame 27 of the filter unit 26.

This packing 39 includes a ridge 40 that is brought into close contact with the inner periphery of the dust collection side case 3 and a supporting wall surface 9 of the electric side case 2.
A protruding edge 41 that is brought into close contact with the rim 41 is formed.

A fitting hole 42 is formed in the upper part of the packing 39, and a cylindrical shaft support 43 integrally formed with the filter frame 27 is fitted into the fitting hole 42. A shaft part 46 integrally formed with a gear 45 that meshes with a gear part 44 formed on the periphery of the dust removing body 33 is inserted from the inside and rotatably supported.

A cut groove 4T that imparts elasticity is formed in the axial direction at the tip of the shaft portion 46, and a locking hook portion 48 is formed at the end. The shaft hole 50 is fitted and fixed, and the rotation of the roller 49 causes the gear 45 to rotate, and the dust removal body 33 that meshes with the gear 45 to rotate.

Further, a space 51 opened on the back side is formed in the upper part of the dust collecting side case 3, and a sliding member 52 on which the roller 49 slides and rolls on the inner surface of this space 51 is attached to the filter unit 26. A guide groove 5 formed in the insertion/removal direction and guiding the shaft support 43 of the filter frame 27 is provided at the lower part of the space 51.
3 is formed to open on the back side of the dust collection side case 3.

A handle 54 is provided on the upper part of the dust collection side case 3, and a flexible ring 55 is attached to the lower surface of the dust collection side case 3.

Next, the operation of this embodiment will be explained.

The dust collection side case 3 is coupled to the electric side case 2.

At this time, the filter unit 26 attached to the dust collection side case 3
A roller 49 mounted on the shaft is in contact with the sliding surface 52.

Dust sucked in through the suction port 24 by the drive of the electric blower 12 is captured by the filter members 28 and 29 and deposited in the dust collecting section 25, and the filtered air is passed from the discharge side of the electric blower 12 to the exhaust hole 17 It is then exhausted to the outside.

When dust accumulates in the dust collection part 25 of the dust collection side case 3, remove the dust collection side case 3 from the electric side case 2, and pull out the filter unit 26 from the back opening of the dust collection side case 3 using the handle 38. Then, the roller 49 slides and rolls on the sliding surface 52, and when the roller 49 rotates 1~, the rotational force of the roller 49 is transmitted to the gear 45 via the shaft 46, and the gear 44 is transferred to the gear 45. The meshing dust drop I ~ body 33 is the shaft part 3
The rotation of the dust removing body 33 causes the protrusion 36 of the dust removing member 35 to move around the second filter member 29.
The dust adhering to the filter member 29 is removed by repelling the top strip 37 on the back side of the filter member 29 .

Then, with the filter unit 26 removed from the dust collection side case 3, the first filter member 28 is removed from the filter frame 27, and the dust that has fallen into the filter frame 27 is removed, and the dust collected inside the dust collection side case 3 is removed. Dust accumulated in the dust part 25 is discharged from the rear opening.

Next, the filter unit 26 is attached to the dust collection side case 3, and the dust collection side case 3 is connected to the electric side case 2 for use.

In the above embodiment, a structure was described in which the roller 49 was provided as a rotating body that slid and rolled on the sliding surface 52 of the dust collecting side case 3, but as shown in FIG.
6, and the rotating body is a gear 5 that meshes and rolls with this toothed state 56.
7, and when the filter unit 26 is pulled out, the gear 57 meshes with the toothed surface 56 and slides and rotates, thereby rotating the dust removing body 33 and removing dust from the filter member 29.

According to the present invention, the filter unit is provided with a rotary body that is rotated by the sliding surface of the dust collection side case, and the rotation of this rotary body operates the dust removal body, so that dust can be removed from the dust collection side case. Sometimes, when the filter unit is removed, the dust remover is activated to remove dust attached to the filter member.In particular, the rotating body that rotates the dust remover rotates the sliding surface by sliding, so the filter unit There is little resistance when taking out the filter unit, and the filter unit can be taken out smoothly.Moreover, since the rotating body protrudes from the insertion hole of the packing, the filter unit can be airtightly attached to the dust collecting side case using the packing. Therefore, there is no leakage of the suction air flow, no need to remove dust from the filter member, and the filter member can be removed without fail when removing dust accumulated on the dust collection side case, reducing the suction effect even if you forget to remove dust from the filter member. It can be obtained at low cost without damaging the dust removal body and without requiring a drive operation system for the dust removal body.

Further, by using a toothed surface as the sliding surface and a gear as the rotating body, the rotation of the rotating body can be ensured, and the dust removal body can surely remove dust.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a vacuum cleaner showing an embodiment of the present invention;
FIG. 2 is an enlarged sectional view of the essential parts of the same, and FIG. 3 is a sectional view of the drive section of the dust remover of a vacuum cleaner showing another embodiment. 3...Dust collection side case, 25...Dust collection section, 26...Filter unit, 29...-
・Filter member, 33...Dust remover, 35...
... Dust removal member, 39 ... Packing, 42
...Fitting hole part, 44...Gear part, 45
...Gear, 49...Roller as a rotating body, 52...Sliding surface, 56...Toothed surface, 57... A gear as a rotating body.

Claims (1)

[Scope of Claims] 1. A filter unit that is removably attached to the opening of the dust collection side case, and this filter unit is a filter member that faces the dust collection part that communicates with the suction port of the dust collection side case. a dust removal body that is rotatably supported opposite to the filter member and has a gear part formed on its periphery and has a dust removal member that applies an impact to the filter member; and a gear meshed with the gear part of the dust removal body. and a packing having a fitting hole portion that is brought into close contact with the inner peripheral surface of the dust collection side case and allows the rotation body to protrude, and the filter unit is inserted into and removed from the dust collection side case. A vacuum cleaner characterized in that a sliding surface that slides and rotates the rotating body is formed in a direction in which the filter unit is inserted and removed. 2. The vacuum cleaner according to claim 1, wherein the sliding surface provided on the dust collection side case is a toothed surface, and the rotating body provided on the filter unit is a gear.