JPS596650B2 - vacuum cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a driving device for a dust remover of a filter that filters dust sucked in by a vacuum cleaner Q and an electric blower.

Conventional vacuum cleaners of this type have adopted various dust removal devices to remove dust attached to the filter, but all conventional dust removal devices require a dust removal operation, and after the dust removal operation, the dust collection side The dust accumulated in the case must be discharged, and it is unhygienic to discharge the dust from the case on the dust collection side while the dust is scattered. Requires operations and is complicated,
It has the disadvantage that if you forget to remove the dust, the dust suction effect will be reduced.

The present invention has been made in view of the above-mentioned drawbacks, and a rotating dust removal body that removes dust attached to the filter is activated by performing an operation to release the engagement between the electric side case and the dust collection side case using an operating body. This makes it possible to remove dust from the filter without performing a special dust removal operation, and the short stroke of the operating body lengthens the dust removal stroke of the rotating dust removal body, ensuring that dust is removed from the filter. The purpose is to provide a vacuum cleaner that can.

The vacuum cleaner of the present invention includes: an electric side case with a built-in electric blower; a dust collection side case detachably connected to the electric blower; and a dust collection side case attached to the dust collection side case and sucked by the electric blower. a filter member that captures dust;
A rotating dust remover forming a gear portion and removing dust attached to the filter member; an operating body having a locking hook portion that detachably connects the electric power side case and the dust collection side case; and this operation body. An operating body is moved forward by a pressing operation of the operating body and is moved backward by a spring by a release operation of the operating body, and has rack teeth formed in the reciprocating direction. A gear mechanism is provided which is engaged with the dust removal body and has a gear ratio that lengthens the dust removal stroke of the rotating dust removal body relative to the amount of movement of the actuation body, and the forward movement of the actuation body is controlled in one direction of the dust removal body. In addition to interlocking with the rotation, the return movement is interlocked with the rotation of the dust removal body in the other direction.

Next, the structure of an embodiment of the present invention will be explained with reference to FIGS. 1 to 3.

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 collection side case 3. A retaining portion 6 that is engaged with the locking portion 4 is formed downward, and an operating body, such as a clamp hook body 7, that is locked in the locking hole 5 is provided on the upper part.

Further, a support wall surface 9 having a ventilation portion 8 is provided on the front surface of the electric power side case 2, and a vibration-proof support body 10 formed of rubber or the like is provided inside this support wall surface 9. A ventilation path 11 communicating with the ventilation portion 8 formed in 10
The suction side of the electric blower 12 is fitted and supported by the anti-vibration support 10 of the electric blower 12 so as to be connected to the suction side of the electric blower 12 .

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 formed 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 an exhaust air formed on the back side of the electric side case 2 through an exhaust passage 16. It communicates with hole 1γ.

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 urged by a mainspring spring 20 in the winding direction of the cord 21.

Further, wheels 22 are mounted on both sides of the electric power side case 2, and a handle portion 23 is formed at the upper part of the electric power 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 25 is removably attached to the rear opening of the dust collecting side case 3.

A first-stage filter member 27 with a coarse mesh is removably fitted on the front surface of the filter frame 26, and a second-stage filter is fitted onto the filter frame 26 and formed of wavy bent paper or the like. It is composed of a member 28.

The packing 29 fitted around the periphery of the filter frame 26 has a protrusion 3 that is brought into close contact with the periphery of the dust collection side case 3.
0 and a protruding edge 31 that is brought into close contact with the support wall 9 of the electric power side case 2 are formed.

Further, a support plate 32 is provided at the rear opening of the filter frame 26 of the filter unit 25, and the support plate 32
A ventilation section 33 communicating with the electric blower 12 is formed in the.

A pivot hole 34 is formed in the support plate 32, and a pivot hole 34 is formed in the center of the dust removal body 35.
6 are fitted and held rotatably.

A dust removing member 37 made of an elastic wire such as a piece of piano wire is disposed on the front surface of the dust removing member 35 in the radial direction of the dust removing member 35, and the base of the dust removing member 37 is connected to the dust removing member 35.
A dust removal protrusion 38 bent at the tip of the dust removal member 37 is fixed to the vicinity of the substantially center portion of the filter member 37 so as to come into contact with a rear side top strip 39 of the second stage filter member 28 .

Further, a gear portion 40 is formed near the peripheral edge of the dust removing body 35.

Further, a handle portion 41 is formed on the upper rear side of the support plate 32, and a gear 44 of a gear mechanism is mounted on shaft supports 42 and 43 formed opposite to the support plate 32 and the filter frame 26.
A rotating shaft rod 44a is rotatably supported.

This gear 44 has a gear portion 44 of the dust removing body 35.
It has a diameter canine gear part 45 that meshes with the gear, and a small diameter gear part 46 that meshes with a rack tooth part 50 of an operating body 48, which will be described later.

Further, a cylindrical guide 47 is formed in the upper part of the filter frame 26, and an actuating body 48 is inserted into this cylindrical guide part 47 so as to be able to move vertically. This actuating body 48 is meshed with the small diameter gear portion 46 of
The dust removing body 35 is rotated via the gear 44 by the lifting and lowering of the rotating dust removing body 35, and the gear portion 46 of the gear 44 that meshes with the rack tooth portion 50 of the operating body 48 has a small diameter.
5 has a large diameter, so the gear ratio of this gear mechanism is such that the dust removal stroke of the rotary dust removal body 35 is long relative to the amount of movement of the operating body 48.

Next, the upper part of the actuating body 48 projects upward from a through hole 49 formed in the upper part of the packing 29, and the actuating body 48 is interposed between the thick upper end portion 48a of the actuating body 48 and the filter frame 26. A coil-shaped spring 51 is tensioned to urge the actuating body 48 upward.

Further, the dust collecting side case 3 has a guide groove 5 open on the back side.
2 is formed, and the actuating body 48 is moved along this guide groove 52 when the filter unit 25 is inserted or removed.

Further, the clamp hook body 7 provided on the dust collection side case 3 is reciprocatably fitted into a guide hole 53 opened on the upper surface of the case 3, and the electric side case 2 is locked at the tip of the clamp hook body 7. A locking hook portion 54 that is releasably locked in the hole 5 is formed.

A drive rod 56 protrudes from the lower surface of the clamp hook body 7.
protrudes inward from the guide hole 57 of the dust collection side case 3 and abuts against the upper end of the actuating body 48 .

Further, a spring 58 is applied to the clamp hook body T so as to keep the locking hook portion 54 engaged with the locking hole 5.
is interposed.

Note that the first stage filter member 2T fitted into the filter frame 26 has an annular holding member 59 on its peripheral edge, and the retaining hole 60 formed in this holding member 59 connects to the locking protrusion formed in the filter frame 26. 61.

Furthermore, a free ring 62 is provided at the lower part of the dust collecting side case 3, and a handle portion 63 is provided at the upper part.

Next, the operation of this embodiment will be explained.

Attach the filter unit 25 to the dust collection side case 3, engage the retaining part 6 of the dust collection side case 3 with the locking part 4 of the electric side case 2, and engage the clamp hook body 7 with the locking hole 5. and both cases 2
, 3.

When the electric blower 12 is driven once in this state, the filter members 27 and 28 trap the dust sucked in from the suction port 24, and the dust is deposited in the dust collecting case 3.

The filtered air is then exhausted from the exhaust hole 17.

In addition, when discharging the dust accumulated on the dust collection side case 3, the clamp hook body 7 is pressed against the spring 58 in order to release the lock that maintains the joint state between the dust collection side case 3 and the electric side case 2. Then, the locking hook portion 54 is disengaged from the locking hole 5, and at the same time, the drive rod 56 of the clamp hook body 7 pushes the actuating body 48 against the spring 51, and the rack tooth portion 50 of this actuating body 48 engages with the gear. The gear 44 of the mechanism is rotated by meshing with the small diameter gear 46, and the dust removing body 35 with the gear 40 meshing with the diameter canine gear 45 of this gear 44 is rotated. The dust removal stroke is long compared to the amount of movement of the operating body 48,
This rotation of the dust removal body 35 causes the dust removal protrusion 38 of the dust removal member 37 to
repels the rear top strip 39 of the second stage filter member 28 and removes dust attached to the second stage filter member 28.

When the clamp hook body 7 is pushed in order to remove the dust collecting side case 3 from the electric side case 2 in this way, the actuating body 48 moves forward to rotate the dust removing body 35 in one direction, and the filter member 28
When the clamp hook body 7 is released with the locking hook portion 54 of the clamp hook body 1 disengaged from the locking hole 5, the clamp hook body 7 is returned by the spring 58, and the actuating body 4
8 is moved back by the spring 51, the dust removing body 35 rotates in the opposite direction to remove dust from the filter member 28, and the reciprocating movement of the operating body 48 causes the dust removing body 35 to rotate back and forth. The dust removal operation is performed twice.

Next, both cases 2 and 3 are removed, the dust collection side case 3 is removed, the filter unit 25 is removed from the dust collection side case 3, the first stage filter member 27 is removed from the filter frame 26, and the dust is removed. Discard the dust inside the dust collection side case 3.

Next, another embodiment will be described with reference to FIGS. 4 to 6, with the same components as those in the embodiment described above being designated by the same reference numerals, and their explanations will be omitted.

An operating body such as a handle 63 provided on the upper part of the dust collection side case 3
The front end of the handle part 6 is rotatably attached to a shaft 64, and the handle part 6
A clamp-shaped locking hook portion 54 is formed at the rear end of the electric power side case 2 to be removably locked in the locking hole 5 of the electric side case 2.
Further, near the rear end of this handle portion 63, a driving rod 56 that is inserted into the guide hole 57 of the dust collection side case 2 projects inwardly, and the tip of this driving rod 56 touches the upper end of the operating body 48. being touched.

The handle portion 63 is disposed in a space 656 formed in the upper part of the dust collection side case 2, and both sides thereof have tapered surfaces 68 so that the space 65 narrows toward the opening 67. tapered surfaces 69 on both sides of the handle portion 63.
are engaged to prevent the handle portion 63 from coming off upward.

The handle portion 63 maintains the state in which the locking hook portion 54 is locked in the locking hole 5 by a coil-shaped spring 58 interposed in the drive rod 56.

The other structure of this embodiment is the same as that of the previous embodiment.

Next, the operation of this embodiment will be explained.

When discharging the dust accumulated on the dust collection side case 3, when the lock part 63 is pressed against the spring 58 to release the lock that maintains the joint state between the dust collection side case 3 and the electric side case 2. , the handle part 63 is rotated about the shaft 64, and the locking hook part 54 is removed from the locking hole 5, and at the same time the drive rod 5 is rotated.
6 pushes the actuating body 48, the actuating body 48 rotates the gear 44, the dust removing body 35 rotates, the dust removing protrusion 38 repels the top strip 39 of the second stage filter member 28, and this filter member Remove dust attached to 28.

When the pressure on the handle part 63 is released, the handle part 63 is returned by the spring 58, and the actuating body 48 is moved by the spring 58.
8, the dust removal body 35 is also returned and rotated.

Other operations are the same as in the previous embodiment.

According to the present invention, the dust removal body is reciprocated by operating the operating body that releases the connection between the dust collection side case and the electric side case, so the dust collection side case can be removed from the electric side case to collect the dust. When the operating body is pressed when removing dust accumulated on the dust side case, the locking hook part is released and the dust collecting side case and the electric side case are separated. moves forward and the dust removal body is rotated in one direction, and when the filter is cleared of dust and the pressure on the operating body is released, the operating body moves back and the dust removal body is rotated in the other direction.
In the operation to remove dust from the filter again and separate the dust collection side case and the electric side case, the actuating body moves back and forth, and this reciprocating movement of the actuating body causes the dust removing body to rotate back and forth, and the actuating body The rotary dust remover and the rotary dust remover are linked by a gear mechanism with a gear ratio that lengthens the dust removal stroke of the rotary dust remover relative to the amount of movement of the actuator. The dust removal process is longer, and the dust removal effect is enhanced because the dust removal body moves back and forth to remove dust from the filter from different directions. The dust removing body of the filter is driven, so there is no need for special filter dust removal operations, and the dust that inevitably adheres to the filter when discharging dust can be removed. This prevents the dust suction effect from being impaired due to forgetting the dust removal operation.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional side view of a vacuum cleaner showing an embodiment of the present invention, Fig. 2 is an enlarged longitudinal sectional view of the dust removal mechanism of the same, Fig. 3 is an enlarged longitudinal sectional front view of the same, and Fig. 4 is an enlarged longitudinal sectional view of the same. Fig. 5 is an enlarged longitudinal sectional side view of the dust removal mechanism section of the vacuum cleaner according to the embodiment, and Fig. 6 is an enlarged front view of the vacuum cleaner. 2... - Electric side case, 3... Dust collection side case, 7... Clamp hook body as an operating body, 1
2... Electric blower, 28... Filter member, 35... Rotating dust remover, 40...
・Gear part of the rotating dust removal body 35, 44...Gear of the gear mechanism, 48...Operating body, 50...
Rack tooth portion, 54... Locking hook portion, 51...
...Spring, 63...Grip part as an operating body.

Claims (1)

[Scope of Claims] 1. An electric side case with a built-in electric blower, a dust collection side case detachably connected to the electric blower, and a dust collection side case attached to the dust collection side case and dust sucked by the electric blower. a rotating dust remover forming a gear portion and removing dust attached to the filter member; and a locking hook portion removably connecting the electric power side case and the dust collection side case. The operating body has an operating body that is moved forward by pressing the operating body, and a spring (
Thereby, there is an actuating body which is reciprocated and has rack teeth formed in the reciprocating direction, and which is engaged with the rack teeth of this actuating body and is also engaged with the rotary dust removing body, which removes rotating dust relative to the amount of movement of the actuating body. A gear mechanism with a gear ratio that lengthens the dust removal stroke of the dust removal body is provided, and the forward movement of this operating body is linked to the rotation of the dust removal body in one direction, and the backward movement is linked to the rotation of the dust removal body in the other direction. A vacuum cleaner characterized by being linked to the 2. The vacuum cleaner according to claim 1, wherein the operating body is a clamp hook that detachably connects the dust collection side case to the electric side case. 3. A patent characterized in that the operating body is a handle portion rotatably provided on the dust collection side case, and a locking hook portion is formed on the handle portion to detachably connect the dust collection side case to the electric side case. A vacuum cleaner according to claim 1.