KR101012197B1 - Vacuum cleaner - Google Patents

Abstract

The vacuum cleaner includes an electric blower, a dust separator separating dust and air, a dust collector, a rotatable filtration separator, a driving means for rotating the filtration separator, and a dust removal means 2100 for removing the scouring attached to the filtration separator. It includes. The vacuum cleaner is provided on the downstream side of the communication ventilation opening / closing valve K3 and the communication ventilation opening / closing valve K3, which opens and closes the communication ventilation passage communicating with the dust separation section and the filtration separation section, and introduces outside air to the upstream side of the filtration separation section. Thereby, an external air inlet 84F for discharging the dust generated outside to the outside and an external air open / close valve K6 for opening and closing the external air inlet 84F are provided, and the communication ventilation opening / closing valve K3 is opened in the cleaning mode. And the open air open / close valve K6 is closed, and in the vibration damping mode, the communication open / close valve K3 is closed and the open air open / close valve K6 is opened, and the communication open / close valve K3 is opened by the rotation of the filtration separator. And the outdoor air open / close valve K6 is opened and closed.

Filtration separation part, dust removal means, air open / close valve, dust collector, drive means

Description

Electric vacuum cleaner {VACUUM CLEANER}

The present invention relates to an electric vacuum cleaner having a dust separator separating dust and air and a filtration separator separating dust and air passing through the dust separator.

Conventionally, the electric vacuum cleaner which attached the dust collecting container to the vacuum cleaner main body so that attachment or detachment is known (refer patent document 1).

Such an electric vacuum cleaner includes a pleated filter body which is a dust collecting container, a vacuum cleaner body having a mounting unit for placing the dust collecting container, an electric blower installed downstream of the dust collecting container chamber, and a secondary filter detachably attached to the rear opening of the dust collecting container. And vibration damping means for dropping dust attached to the filter body in the form of a pleated filter.

The vibration damping means has a ring-shaped large-diameter gear rotatably disposed at a position opposite to the pleated filter, a projection contacting the pleated filter is formed in the gear, and the ring is rotated when the power cord is wound by the cord reel. The protrusion moves over the ridge of the pleat of the pleat filter while the ring moves as it rotates, whereby vibration is applied to the pleat filter and the dust attached to the pleat filter falls.

Patent Document 1: Japanese Unexamined Patent Application Publication No. 2004-358135

However, such a vacuum cleaner has a problem that dust separated from the pleated filter (filtration separator) is attached to the pleated filter again when the electric blower is driven.

An object of the present invention is to provide an electric vacuum cleaner in which dust separated from the filtration separation unit does not adhere to the filtration separation unit again.

The vacuum cleaner according to the present invention is rotatable in a dust separation unit for separating the dust and air sucked through the electric blower, a dust collecting unit for collecting dust separated from the air in the dust separation unit, the storage case located downstream of the dust separation unit A filtration separation unit for separating the jinjin and air passing through the dust separation unit, the drive means for rotating the filtration separation unit, an outside air introduction hole formed in the storage case to introduce outside air into the storage case, and an outside air opening / closing air introduction hole An inlet opening / closing member, a communication ventilation path for communicating the dust separator and the storage case, and a communication ventilation path opening and closing member for opening and closing the communication ventilation path, and for cleaning, usually, the dust separation part, the communication ventilation path, and the filtration separation part are provided. Extends and forms a first flow path sucked by the electric blower, and for air cleaning of the storage case, An airflow control means is provided for forming a second flow path through which air introduced from the air inlet is sucked by the electric blower without passing through the filtration separator, and the filtration separator is rotated in one direction to open the communication ventilation opening and closing member. The first flow path is formed by closing the open air opening and closing member, and the filtration separation unit is rotated in another direction to close the communication ventilation path opening and closing member and the second flow path is formed by opening the outdoor air opening and closing member so as to form the second flow path. Accordingly, an interlock mechanism for interlocking the open / close member and the communication ventilation opening / closing member is provided.

According to the present invention, dust separated by the vibration damping means from the filtration separation part is prevented from adhering to the filtration separation part again. In addition, since the connection open / close valve is opened by the rotation of the filtration separation unit and the open / close valve is opened, the open / close valve and the motor for opening / closing the open / close valve are no longer needed.

1 is a perspective view showing the appearance of an electric cleaner according to the present invention.

FIG. 2 is a perspective view illustrating an appearance of the vacuum cleaner body of FIG. 1 having a cover case removed. FIG.

3 is a plan view of the vacuum cleaner body shown in FIG. 2.

4 is a partially enlarged perspective view of the vacuum cleaner body of FIG. 2 in which the dust collecting container is removed.

5 is an explanatory view showing a torsion coil spring 18 mounted to the cylindrical axle of the vacuum cleaner body.

6 is an explanatory view showing a coupling relationship between a locking hook of a clamp and a coupling member of a cover case.

It is explanatory drawing which shows the popup mechanism of the dust collecting container.

8 is a plan view of the clamp.

9 is an explanatory diagram showing unlocking of the cover case and unlocking of the dust collecting case.

10 is a perspective view showing an appearance of a dust collecting unit.

It is a perspective view which shows the external appearance of the dust collection container.

12 is a cross sectional view showing a configuration of a dust collecting unit.

It is a perspective view which shows the external appearance of the dust separation part.

14 is a cross-sectional view of the vacuum cleaner body.

15 is an explanatory diagram showing a state in which the dust collecting container is popped up.

It is a side view of the vacuum cleaner main body for demonstrating the open state of a cover case.

It is explanatory drawing which shows the state which the dust collecting container popped up.

It is explanatory drawing which shows the front wall part of a damping means and a storage case.

It is a perspective view which shows the structure of the opening / closing mechanism.

20 is a perspective view illustrating the opening and closing mechanism and the dust separation unit.

21 is a conceptual diagram showing a ventilation path in normal cleaning.

22 is a conceptual diagram illustrating a ventilation path in air cleaning.

Fig. 23 is a horizontal sectional view showing the structure of the dust separation unit of this embodiment.

24 is an explanatory view showing a dust separation unit and a return vent pipe.

It is explanatory drawing which shows the dust separation part and return vent pipe which are a state in which the open / close valve was opened.

FIG. 26 is a perspective view illustrating the appearance of the dust separation unit and the return ventilation pipe of FIG. 23.

It is a longitudinal cross-sectional view which shows the structure of the vacuum cleaner main body.

28 is a perspective view illustrating the storage case.

FIG. 29 is a rear view of the storage case illustrated in FIG. 28.

30 is a perspective view showing an appearance of the dust collecting unit.

It is explanatory drawing which shows the arm and the 3rd open / close valve attached to the storage case.

32 is a perspective view showing an arm and a third open / close valve.

33 is a perspective view illustrating an appearance of a dust collecting unit in a state in which a sixth open / close valve is opened.

It is explanatory drawing which shows the 6th opening / closing valve and the external air inlet.

35 is a cross sectional view showing a configuration of a vibration suppression means.

36 is a longitudinal cross-sectional view of the vibration suppressing means shown in FIG. 35.

37 is a block diagram showing the configuration of the control system.

<Description of the symbols for the main parts of the drawings>

24: electric blower

52: dust separation unit

81: storage case

84A: Connection Opening

84F: Outside air inlet

100 pleated filter body (filtration separator)

K3: 3rd open / close valve (communication ventilation open / close valve)

K6: 6th open / close valve (outdoor open / close valve)

Hereinafter, an embodiment of the electric cleaner according to the present invention will be described based on the accompanying drawings.

Example

A dust collecting hose having one end detachably connected to a cleaner main body 11 and a connection opening 11A of the cleaner main body 11 and a handle operation tube 13 installed at the other end of the vacuum cleaner 10 shown in FIG. 12), an extension tube 14 detachably connected to the handle operating tube 13 and a suction port 15 detachably connected to a distal end of the extension tube 14 are provided. In the handle operation tube 13, 13 A of operation parts are provided, and in 13 A of operation parts, the power of the stop switch 13a which stops the drive of the electric blower 24, and the electric blower 24 is set. Control switch 13b and the like are provided.

In the suction port 15, a suction chamber (not shown) is formed on the bottom thereof to form a suction opening (dust suction port) (not shown) for sucking dust, and the suction chamber includes an extension pipe 14 and a dust collecting hose 12. And the suction port 57a of the dust collecting unit (refer to FIG. 10) provided in the cleaner main body 11 through 11 A of connection ports.

The cleaner body 11 is provided with a main body case 20, a dust collecting unit 50 (see FIG. 2) mounted inside the main body case 20, and an electric blower 24.

2-4, the dust collection unit chamber 22 which has the upper opening 22A is formed in the front side of the main body case 20, and the cover case 500 in the upper part of the main body case 20 is formed. (Refer FIG. 1) is provided so that opening and closing is possible. The upper part of the main body case 20 is covered with the dust collecting unit chamber (storage chamber) 22 by the lid case 500. The main body case 20 is configured not to be sealed by the cover case 500.

In the dust collecting unit chamber 22, a popup mechanism 1000 (see FIG. 7) for popping up the dust collecting container 410 (FIG. 11) as a dust collecting unit described later is provided.

As shown in FIG. 1, a pair of leg portions 501 extending obliquely downward are formed at lower portions of both side portions of the lid case 500, and a lower portion 501A of the leg portion 501 is a main body case 20. It is rotatably mounted on the cylindrical axle 17 (refer FIG. 5) provided in the (), and covers the rear wheel 16 provided in the cylindrical axle 17. As shown in FIG. In addition, as shown in FIG. 5, the torsion coil spring 18 is mounted inside the cylindrical axle 17, and one end of the torsion coil spring 18 is fixed to the cylindrical axle 17, and the torsion coil spring ( The other end 18A of 18 is fixed to the leg 501 (see FIG. 1), and the torsion coil spring 18 is half the cover case 500 in FIG. 1 with respect to the cylindrical axle 17. Pressing clockwise.

In practice, the rotating body 900 (see FIG. 2) is rotatably mounted to the cylindrical axle 17, and is twisted by the protrusion 902 (see FIG. 14) of the arm portion 901 of the rotating body 900. The other end part 18A of the coil spring 18 is caught, and the arm part 901 is caught in the leg part 501 of the cover case 500, and the cover case 500 is pressed in a clockwise direction.

The cover case 500 is opened as indicated by the broken line in FIG. 16 by rotating the cover case 500 clockwise around the cylindrical axle 17.

On the front side of the lid case 500, as shown in FIGS. 6 and 7, an almost inverted L-shaped coupling member 510 is provided.

Moreover, the cylindrical connection ventilation path part (connection ventilation path) which has the front surface opening 25B (refer FIG. 14) in the front side (left side in FIG. 1) of the electric blower 24 of the main body case 20. As shown in FIG. 25 (refer FIG. 27) is formed, and the connection ventilation path 25 communicates with the suction opening 24A of the electric blower 24. As shown in FIG.

The rotatable grating member 600 is provided in the front opening 25B of the connection ventilation path 25 as shown in FIG. 14, and the grating member 600 includes the motor M1 (see FIG. 37). It is supposed to rotate by.

In the connection ventilation path part 25, as shown in FIG. 27, the suction pipe 27 which communicates with the suction opening 24A of the electric blower 24 is provided, and the opening ( The 4th open / close valve 28 which opens and closes 27A) is provided. The opening / closing operation of the fourth opening / closing valve 28 is performed by the motor M2 (see FIG. 37).

As shown in FIG. 14, a plurality of protrusions 601 are formed in the grating member 600, and each of the protrusions 601 is formed in a valley (filter groove) of the pleated filter 104 (see FIG. 13) described later. It is combined and rotates the pleated filter body 100 to be described later. By rotating the pleated filter body 100, the vibration damping means 2100 of the vibration suppression mechanism 2000 (refer FIG. 31) mentioned later removes the fines attached to the pleated filter 104. FIG.

On the connection port 11A of the main body case 20, the clamp 700 which locks the closed cover case 500 is provided.

As shown in FIGS. 7 and 8, the clamp 700 has an operation portion 701 whose upper surface is formed in a curved surface. The clamp 700 has a rear surface (in FIG. 7 and FIG. 8) on both sides of the rear surface 701A of the operation portion 701. The support plate parts 702 and 702 which protrude on the right side) are formed, and the shaft parts 703 and 703 are formed in the outer side surface of the support plate part.

As shown in FIG. 3, the shaft portions 703 and 703 are rotatably held by the bearing portions 27 and 27 provided in the main body case 20. The clamp 700 is pressed clockwise around the shaft portion 703 in FIG. 7 by a spring (not shown). The clamp 700 is regulated so as not to rotate clockwise from the position shown in FIG. 7 by a restricting member (not shown).

Then, the clamp 700 is rotated counterclockwise around the shaft portions 703 and 703 from the position shown in FIG. 7 against the pressing force of a spring (not shown) when the operation portion 701 is pressed downwards from above. have.

The front wall part 704 extended downward is formed in the front end part of the operation part 701, and the press part 705 extended back is formed in the lower part of the front wall part 704. As shown in FIG. The support part 706 extended upward is formed in the back part of the press part 705, and the hook 707 is formed in the upper part of the support part 706. As shown in FIG.

6 and 7, the hook 707 is coupled to the distal end portion 511 of the coupling member 510 of the cover case 500, so that the cover case 500 is attached to the body case 20. Is locked by

When the clamp 700 is rotated in the clockwise direction, as shown in FIG. 9, the hook 707 of the clamp 700 is removed from the distal end 511 of the coupling member 510 of the cover case 500. The cover case 500 is unlocked.

As illustrated in FIG. 10, the dust collecting unit 50 is provided with a dust separating unit 400 and a dust collecting container 410 detachably mounted to the dust separating unit 400.

The dust separation unit 400 is provided with a dust separation unit 52 and a filter unit 80 integrated with the dust separation unit 52.

As shown in FIGS. 10 and 12, the dust separation unit 52 has a separation chamber portion (upstream ventilation passage) 54 formed in a cylindrical shape by the outer circumferential wall 53, and the separation chamber portion 54 in the separation chamber portion 54. Dust separating means 55 having a substantially conical shape provided along an axis of the suction suction path portion (guided ventilation passage) 56 and a suction connection port (dust intake opening) provided outside the right wall 54A of the separation chamber portion 54. A guide ventilation path 57 for guiding air from the) 57a to the separation chamber portion 54 is provided. When the dust separation unit 400 is attached to the dust collecting unit chamber 22 of the cleaner main body 11, the suction connection port 57a communicates with the connection opening 11A of the vacuum cleaner main body 11. The suction ventilation path part 56 is provided below the guide ventilation path 57.

In the upper part of the outer circumferential wall 53 of the separating chamber portion 54, as shown in FIG. 12, an introduction opening 53A is formed to introduce dust separated from air into the dust collecting container 410. As shown in FIG. 23, the return opening 53D is formed in the lower side of the outer peripheral wall 53 which forms the circular arc surface. The 2nd opening-closing valve K2 is provided in the return opening 53D so that opening and closing is possible. 24 and 25, one end of the return vent pipe 2510 is connected to the return opening 53D. The return ventilation path 2510 constitutes a return ventilation path 2511 (see FIGS. 21 and 22).

At one end of the second open / close valve K2, a shaft portion KJ1 is formed, and as shown in FIG. 24, the shaft portion KJ1 is pivotally supported rotatably upstream of the separation chamber portion 54. The other end of the 2 switching valve K2 is located downstream of the separation chamber 54. As shown in FIG. 25, the second open / close valve K2 is opened by rotating in the counterclockwise direction about the shaft portion KJ1.

The second opening / closing valve K2 is closed by air introduced into the separation chamber portion 54 through the connection opening 54Aa described later, and is returned by the air returned from the return vent pipe 2510 into the separation chamber portion 54. Open.

Moreover, as shown in FIG. 24, the 2nd opening-closing valve K2 is formed in the same curvature as the inner peripheral wall surface of the separation chamber part 54, and is provided so that it may be flush with the inner peripheral wall surface.

As shown in FIG. 23, the guide opening body 57 is provided with the connection opening 54Aa which communicates with the separation chamber part 54, and the connection opening 54Aa is provided so that the 1st opening / closing valve K1 can be opened and closed. It is. When the first open / close valve K1 is switched to the position indicated by the solid line, the connection opening 54Aa is closed, while when the first opening / closing valve K1 is switched to the position indicated by the broken line, the connection opening 54Aa is opened. Air introduced into the separation chamber 54 from the guide ventilation passage 57 through the connection opening 54Aa is rotated counterclockwise in FIG.

Further, a circular opening 154A (see FIG. 10) and a fan-shaped opening 154B (see FIGS. 12 and 24) are formed in the right wall 54A of the separation chamber portion 54, and the opening 154A is provided. The dust separation means 55 is provided in this, and the net filter NF2 (refer FIG. 24) is provided in the opening 154B.

The dust separating means 55 is composed of a plurality of frames 55a and a net filter NF1 attached around the frame 55a. The suction ventilation path 56 communicates with the inside of the separation chamber 54 through the opening 154A (see FIG. 10) and the net filter NF1 (see FIG. 12) of the right wall 54A and the right wall 54A. The inner side of the separation chamber 54 communicates with each other via the net filter NF2 of the opening 154B.

An opening 56D is formed in the bottom part of the suction ventilation path part 56, and the filter (pleat filter) PF is provided in the opening 56D. In addition, one end of the bypass ventilation pipe 2501 forming the bypass ventilation path 2500 (see FIG. 21) is connected to the opening 56D as shown in FIG. 26.

The other end of the bypass ventilation pipe 2501 is connected to the suction pipe 27 as shown in FIG. 27, and the suction ventilation path 56 and the suction pipe 27 are connected through the bypass ventilation pipe 2501. Communicate with each other. A fifth open / close valve (magnetic valve) 2502 is provided in the bypass vent pipe 2501.

The suction ventilation path part 56 communicates with the inside of the storage case 81 of the filter part 80 which will be described later, and is further described later via a connection opening 56A formed in the right wall part 156 (see FIG. 12). It communicates with the dust collecting chamber 73 of the case part 74. As shown in FIG.

11 and 12, the dust collecting container 410 has a communication case portion 72 having a communication path 71 extending in the horizontal direction at the top and a right end portion of the communication case portion 72 (in Fig. 12). And a dust collecting case portion 74 for collecting dust, which has a dust collecting chamber 73 extending downward.

As shown in FIG. 11, opening 72A, hook 72F, and recess 76 which communicate with the communication path 71 (refer FIG. 12) are shown in the lower surface of the communication case part 72. As shown in FIG. Formed. In the recessed portion, ribs 72R extending in the vertical direction are formed. The opening 72A is connected to the introduction opening 53A of the dust separation unit 52 as shown in FIG. 12.

Moreover, the connection opening 75 is formed in 74 A of left wall parts of the dust collection case 74, and the net filter NF3 is provided on this connection opening 75. As shown in FIG.

The dust collecting case portion 74 has a lid portion 74A that can be opened and closed, and as shown in FIG. 11, a rib 74R extending downward is formed in the lower portion of the lid portion 74A. The cover portion 74A is rotatably disposed around the axis 74J so as to be opened and closed.

When the dust collecting container 410 is mounted on the dust separating unit 400, as shown in FIG. 12, the introduction opening 53A of the dust separating unit 52 is connected to the opening 72A of the dust collecting container 410. The connection opening 75 of the dust collecting container 410 is connected to the connection opening 56A of the suction ventilation path 56 of the dust separation unit 400.

As shown in Fig. 13, the filter portion 80 is a cylindrical storage case 81 having a rear surface opened and a pleated filter body (secondary filter) as a filtration separation unit rotatably provided in the storage case 81 ( 100). The pleated filter element 100 is composed of a pleated filter 104 which is a filter medium and a holding frame (not shown) for holding the pleated filter 104. The dust separation part 52 (refer FIG. 10) is integrally formed in the front surface of the front wall part 84 of the storage case 81. As shown in FIG.

12 and 13, the connection opening 84A is formed in the front wall part 84 of the storage case 81, and the connection opening 84A is connected to the suction ventilation path part 56. As shown in FIG. . Through the connection opening 84A, the inside of the storage case 81 and the suction ventilation path 56 communicate with each other. The suction ventilation path 56 is a communication ventilation path through which the dust separation unit 52 and the pleated filter body 100 communicate with each other.

As shown in FIG. 29, the outside air inlet (outlet air introduction hole) 84F which introduces outside air into the storage case 81 is formed in the upper part of the front wall part 84, and as shown in FIG. The front face of the barrier part 84 is provided with the 6th open / close valve (outdoor open / close member) K6 which opens and closes the outside air inlet 84F. The sixth open / close valve K6 is urged in the direction of closing the outside air inlet 84F by the elastic member 86.

The contact piece 87 shown in FIG. 29 is formed in the 6th opening / closing valve K6, and the contact piece 87 protrudes into the storage case 81 from the external air inlet 84F. The inclined surface 87a is formed in the contact piece 87 so that the amount of protrusion into the storage case 81 increases as it extends to the right side (in FIG. 29). By pressing the contact piece 87 against the pressing force of the elastic member 86, the sixth opening / closing valve K6 is opened to introduce outside air into the storage case 81 from the outside air inlet 84F.

As shown in FIG. 28, a bottom opening 82A is formed at the bottom of the peripheral wall portion 82 of the storage case 81, and the other end of the return vent pipe 2510 is added to the bottom opening 82A. Connected. The inner side of the storage case 81 on the upstream side of the pleated filter body 100 to be described later and the inner side of the separation chamber 54 of the dust separation unit 52 are communicated with each other by the return vent pipe 2510 (see FIG. 21). ).

As shown in FIG. 21, the ventilation path from the suction inlet 57a to the suction opening 24A shown by the solid arrow forms a 1st flow path, and as shown in FIG. The second flow path is formed by the ventilation path from 84F) to the suction opening 24A indicated by the broken line arrow.

The first flow path is not limited to the ventilation path shown in FIG. 21, and may be a ventilation path through at least the dust separation unit 52 and the filter body 100. The second flow path is not limited to the above-described ventilation path, but may be at least a ventilation path through the inside of the storage case 81.

The pleated filter body 100 has the pleated filter 104 by which the pleat was formed radially from the shaft part 101A provided in the center position of the storage case 81, as shown in FIG. This shaft portion 101A is rotatably mounted to a shaft 2001 (see FIG. 31), which will be described later.

When the dust collecting unit 50 is mounted in the dust collecting unit chamber 22 of the main body case 20, the rear opening 81B of the storage case 81 is connected to the front of the connection ventilation path 25 in the main body case 20. It is joined to the side opening 25B (refer FIG. 14).

The pop-up mechanism 1000 has a pair of pop-up means 1100 and 1110 (see FIG. 3) for popping up the dust collecting container 410 (by lifting the dust collecting container 410 upward by a spring) as shown in FIG. ), A lock means 1200 for fixing the dust collection container 410 to the mounting position of the dust separation unit 400 and a lock release means 1300 for releasing the lock of the lock means 1200 are provided.

The pop-up means 1100 is provided on the upper surface of the outer circumferential wall 53 of the dust separation unit 52 in the dust separation unit 400 and has a cylindrical guide case 1101 and a guide case having a rectangular cross section extending upward. It has a spring 1102 (not shown in FIG. 3) arranged in 1101. The guide case 1101 is provided with a pair of slits 1103 (see FIG. 3) extending in the vertical direction.

The pop-up means 1110 similarly has a cylindrical guide case 1111 (see FIG. 3) provided in the dust collecting unit chamber 22 and a spring 1112 disposed in the guide case 1111. The guide case 1111 is provided with a pair of slits 1113 (see FIG. 3) extending in the vertical direction.

When the dust collecting container 410 is mounted to the dust separation unit 400, the ribs 72R and 74R (see FIG. 11) of the dust collecting container 410 enter the slits 1103 and 1113 of the guide cases 1101 and 1111. The springs 1102, 1112 (see Fig. 7) are compressed against the pressing force. The dust collecting container 410 is pressed upward by the pressing force of the springs 1102 and 1112.

The lock means 1200 is provided with a slide member 1201 and a slide member 1201 installed on the upper portion of the guide ventilation path 57 so as to be movable in the front-rear direction (horizontal direction in FIG. 7) and extending in the front-rear direction. The guide cover 1202 (refer FIG. 4) and the slide member 1201 which guide and cover with the cover are provided to the spring (not shown) which presses in the left direction (in FIG. 7).

On the rear side of the slide member 1201, a cylindrical portion 1203 is formed in which a rectangular cross section protrudes upward, and the cylindrical portion 1203 protrudes from an opening 1202A (see FIG. 3) of the guide cover 1202. have. The cylindrical portion 1203 has a length in the front-rear direction set shorter than the width of the opening 1202A in the front-rear direction so as not to interfere with the movement of the slide member 1201 in the front-rear direction.

The opening 1204 is formed in the upper surface of the cylindrical part 1203, and when the dust collection container 410 is mounted to the dust separation unit 400, the hook 72F of the dust collection container 410 enters the opening 1204, and It is coupled to the edge portion (fixing means) 1204a, by which the dust collecting container 410 is locked in the position (mounting position) shown in FIG.

The unlocking means 1300 is constituted by the pressing member 705 of the clamp 700 which moves the slide member 1201 and the slide member 1201 in the right direction (in FIG. 7). When the operation portion 701 is pressed from the upper side and rotated as shown in FIG. 9, the pressing portion 705 of the clamp 700 contacts the distal portion 1201a of the slide member 1201 against the pressing force of a spring (not shown). Thus, the slide member 1201 is moved in the right direction. In accordance with this movement, the hook 72F of the dust collecting container 410 is removed from the corner 1204a of the opening 1204 in the cylindrical portion 1203 of the slide member 1201, and the lock of the dust collecting container 410 is removed. Unlocked.

31 and 32, the vibration damping mechanism 2000 includes a shaft 2001 rotatably provided at a central portion of the storage case 81, an arm 2002 mounted on the shaft 2001 and extending upward. Vibration damping means 2100 is provided at the top (end) of the arm 2002. A third opening / closing valve (communication ventilation opening / closing member) K3 is integrally provided at the lower portion of the arm 2002 so that the third opening / closing valve K3 rotates integrally with the arm 2002 and the shaft 2001. do. Subsequently, when the third open / close valve K3 is rotated to the position shown in FIG. 31, the connection opening 84A of the storage case 81 is closed.

When the arm 2002 and the third open / close valve K3 are rotated counterclockwise to the position indicated by the broken line, the connection opening 84A of the storage case 81 is opened.

When the arm 2002 is located at the position shown in FIG. 31, the inclined surface of the contact piece 87 of the sixth opening / closing valve K6 is shown by the shaft portion 2011 of the distal end of the arm 2002 as shown in FIG. 34. In contact with 87a, the sixth open / close valve K6 is pressed against the pressing force of the elastic member 86 so that the sixth open / close valve K6 is opened as shown in FIG.

The vibration damping means 2100 protrudes outward from the shaft portion 2101 and the shaft portion 2101 rotatably installed at the shaft center portion 2002A of the distal end portion of the arm 2002, as shown in FIGS. 32, 35, and 36. And a pair of supports 2102, a roller 2103 rotatably installed at the distal end of the support 2102, and a projection (vibrator) 2104 protruding outward from the shaft portion 2101. The pair of support portions 2102 are arranged at a predetermined angle to each other, and the projections 2104 are arranged on the opposite side to the support portion 2102 on a line dividing the predetermined angle into two.

The roller 2103 comes into contact with the bottom face 84Ma of the groove 84M of the front wall portion 84 of the storage case 81 as shown in FIG. 18, and the protrusion 2104 is a peak of the pleated filter 104. Will come in contact with The groove 84M is formed in an arc shape as shown in Figs. 29 and 31, and both ends of the groove 84M restrict rotation of the arm 2002, so that the arm 2002 is within the range of the groove 84M. That is, it becomes rotatable within the range indicated by the solid line shown in FIG. 31 and the position indicated by the dashed line.

The projection 2104 is rotatable in the horizontal direction (in FIG. 35) about the shaft center 2002A together with the shaft portion 2101, and the projection 2104 is driven by the pressing force of the spring BN (see FIG. 18). 32 and 35 will be returned to the original position shown.

As the pleated filter 104 rotates, the projection contacting the peak of the pleated filter 104 rotates about the shaft center 2002A together with the shaft portion 2101. When the pleated filter 104 is rotated by a predetermined angle, the protrusion 2104 passes over the peak of the pleated filter 104 and is returned to its original position by the pressing force of the spring BN. Thereafter, the projection 2104 taps the peak of the next pleated filter 104, thereby causing the pleated filter 104 to vibrate, thereby dropping the fines attached to the pleated filter 104. The interlock mechanism is constituted by the arm 2002, the protrusion 2104, and the like.

The shaft 2001 provided in the storage case 81 protrudes forward through the front wall portion 84 as shown in FIG. 18, and as shown in FIG. 19, the shaft 2001 is first opened and closed at the distal end of the shaft 2001. The gear 2201 of the opening / closing mechanism 2200 which opens and closes the valve K1 is provided.

19 and 20, a slide plate 2203 and a slide plate 2203 movable in a horizontal direction with the rack 2202 engaged with the gear 2201, the rack 2202, and the slide plate 2203, as illustrated in FIGS. 19 and 20. The first opening / closing valve K1 having a support portion 2204 having a pin 2205 extending forward from one end (left end in FIG. 19) of the front end and a long hole 2206 to which the pin 2205 is coupled. An arm 2208 is provided that extends from the axis 2207 of.

A long hole (slot) 2203A is formed in the slide plate 2203, and a shaft 2001 is inserted in the long hole 2203, and the shaft 2001 is disposed along the long hole 2203. Since it moves, the horizontal movement of the slide plate 2203 is not disturbed.

In addition, the pin 2205 coupled to the long hole 2206 of the arm 2208 is relatively movable along the long hole 2206. For this reason, as the slide plate 2203 moves horizontally, the arm 2208 rotates with the shaft 2207, and the first opening / closing valve K1 is opened and closed by the rotation of the shaft 2207.

For example, when the slide plate 2203 is located at the position shown in Figs. 19 and 20, the first opening / closing valve K1 is the connection opening 54Aa of the guide ventilation passage 57 as shown in Fig. 23. ) Close. At this time, the sixth open / close valve K6 is opened, and the third open / close valve K3 closes the connection opening 84A of the storage case 81 as shown in FIG. 31.

Moreover, when the slide plate 2203 is moved to the right direction from the positions shown in Figs. 19 and 20, the first opening / closing valve K1 is moved to the position indicated by the dashed line shown in Fig. 23, and the connection opening 54Aa. ) Is opened, the sixth open / close valve K6 is closed as shown in FIG. 30, the third open / close valve K3 is moved to the position indicated by the broken line in FIG. 31, and the storage case 81 is connected. Open the opening 84A.

37 is a block diagram showing the configuration of a control system of the vacuum cleaner. In FIG. 37, reference numeral 200 denotes a controller that controls the motors M1 and M2 and the electronic valve 2502 based on the operation of the operation unit 13A. On-off valves K1 to K3, K6, 28 and 2502, motors M1 and M2 and controller 200 constitute airflow control means.

[action]

Next, the operation of the electric cleaner of the above-described configuration will be described.

First, as shown in FIG. 2, the dust collecting unit 50 is attached to the dust collecting unit chamber 22 of the vacuum cleaner main body 11, and as shown in FIG. 1, the dust collecting hose 12 is a vacuum cleaner main body 11, as shown in FIG. Is connected to the connecting port 11A, while the inlet port 15 is connected to the handle operating tube 13 via the extension tube 14.

At this time, as shown in FIG. 21, the first open / close valve K1, the third open / close valve K3, and the fourth open / close valve 28 are open, and the second open / close valve K2 and the fifth open / close valve are provided. 2502 and 6th opening / closing valve K6 are closed.

That is, the slide plate 2203 is moved to the right direction from the positions shown in Figs. 19 and 20, so that the first opening / closing valve K1 moves to the position indicated by the dashed line shown in Fig. 23, and the connection opening 54Aa. ) Is opened, the sixth open / close valve K6 is closed as shown in FIG. 30, and the third open / close valve K3 moves to the position indicated by the broken line in FIG. 31 to open the connection opening of the storage case 81. Open 84A.

When the switch 13b of the operation unit 13A in the handle operating tube 13 is operated, the electric blower 24 is driven. By driving the electric blower 24, air is sucked in from the suction opening 24A of the electric blower 24, and a negative pressure acts on the storage case 81 of the dust collecting unit 50 via a connection ventilation path (not shown). In addition, it also acts in the dust collecting case portion 74 and the separating chamber portion 54 of the dust separating portion 52 through the suction ventilation passage portion 56. This negative pressure acts on the dust collecting hose 12, the extension pipe 14, and the suction port 15 through the guide ventilation path 57, and the dust is sucked with the air from the suction port 15.

The sucked dust and air are sucked into the suction connection port 57a of the dust collecting unit 50 through the extension pipe 14 and the dust collecting hose 12. The dust and air sucked into the suction connection port 57a are introduced into the separation chamber portion 54 of the dust separation portion 52 through the guide ventilation passage 57, and in the separation chamber portion 54 in the counterclockwise direction in FIG. Will rotate. In accordance with the flow of air, the second open / close valve K2 is forcibly closed even if it is open.

The second opening / closing valve K2 is formed to have the same curvature as the inner circumferential surface of the separation chamber portion 54 and is provided to be flush with the inner circumferential surface, so that the valve becomes a resistance to the ventilation path against the air flowing through the separation chamber portion 54. Is prevented.

According to the above-described rotation, dust and air are separated by inertia, so that air is net filter NF1 (see FIG. 12) of the dust separation means 55 and net filter NF2 of the opening 154B (see FIG. 24). ), And then it is sucked into the storage case 81 of the filter part 80 through the suction ventilation path part 56.

On the other hand, the separated dust is introduced together with some air from the inlet opening 53A of the separation chamber portion 54 into the communication case portion 72 of the dust collecting container 410 by the inertial force. The introduced dust and air are sucked into the dust collecting chamber 73 through the communication path 71 of the communication case portion 72, and the dust is collected in the dust collecting chamber 73.

The air sucked into the dust collecting chamber 73 is sucked into the suction ventilation path portion 56 through the net filter NF3 and further sucked into the storage case 81 of the filter portion 80.

Air sucked into the storage case 81 passes through the pleated filter 104 of the pleated filter body 100 to the suction pipe 27 (see FIG. 21) in the connection ventilation path 25 of the cleaner body 11. The suction is then sucked into the suction opening 24A of the electric blower 24.

Air sucked into the suction opening 24A of the electric blower 24 passes through the electric blower 24 and is exhausted from the exhaust port 20H (see FIG. 21) of the cleaner main body 11 shown in FIG. 2.

When the dust collected in the dust collecting container 410 is discarded after the cleaning is finished, the operation unit 701 of the clamp 700 is pressed from the upper side. In response to this pressing, the clamp 700 rotates counterclockwise about the shaft portion 703 from the position shown in FIG. 7 against the pressing force of a spring (not shown).

When the clamp 700 rotates in the counterclockwise direction, as shown in FIG. 9, the hook 707 of the clamp 700 is removed from the distal end 511 of the coupling member 510 in the cover case 500. The lid case 500 is unlocked. When the cover case is unlocked, the cover case 500 is opened by the torsion coil spring 18 (see FIG. 5) as indicated by the dashed line in FIG. 16.

On the other hand, when the clamp 700 is rotated as shown in Fig. 9, the pressing portion 705 of the clamp 700 moves the slide member 1201 to the right direction, and according to this movement, the dust collecting container 410 ) Hook 72F is pulled out of the edge portion 1204a of the opening 1204 of the slide member 1201 and the dust collecting container 410 is unlocked. In addition, the ribs 72R, 74R of the dust collecting container 410 are pushed upward by the pressing force of the springs 1102, 1112 of the guide cases 1101, 1111, as shown in FIG. That is, the dust collecting container 410 pops up as shown in FIG. 17 by the pressing force of the springs 1102 and 1112.

Due to the gap between the pressing portion 705 of the clamp 700 and the distal portion 1201a of the slide member 1201, when the operation portion 701 of the clamp 700 is pressed, the lid case 500 is opened, Thereafter, the dust collecting container 410 pops up.

In this way, the cover case 500 is opened and the dust collecting container 410 pops up only by pressing the operation unit 701 of the clamp 700, so that the dust collecting container 410 can be easily removed from the cleaner body 11. Can be.

When the stop switch 13a of the operation part 13A of the handle operation tube 13 is operated, as shown in FIG. 22, the 4th open / close valve 28 will be closed and the 5th open / close valve 2502 will open, The grid member 600 is rotated by the motor M1 (see FIG. 37).

When the pleated filter body 100 is rotated by the rotation of the grating member 600, and the protrusion 2104 of the arm 2002 of the vibration suppression mechanism 2000 contacts the peak of the pleated filter 104, the arm 2002 is rotated. ) And the shaft 2001 are rotated together with the pleated filter body 100 in the clockwise direction from the position indicated by the broken line in FIG.

When the arm 2002 is rotated to the position shown in FIG. 31, the arm is regulated by the end of the groove 84M so that the rotation of the arm 2002 and the shaft 2001 is stopped, and only the pleated filter body 100 is stopped. Will rotate.

When the arm 2002 is rotated to the position shown in FIG. 31, the third open / close valve K3 closes the connection opening 84A of the storage case 81, and the shaft portion 2011 of the arm 2002 moves to the sixth position. The 6th on-off valve K6 is opened by pressing the contact piece 87 of the on-off valve K6. That is, as shown in FIG. 33, the outside air inlet 84F of the storage case 81 is opened.

On the other hand, when the shaft 2001 is rotated together with the arm 2002, the gear 2201 of the opening and closing mechanism 2200 is rotated, and the rotation of the gear 2201 causes the slide plate 2203 to the left side in FIGS. 19 and FIG. Move to the position shown in 20. By moving the slide plate 2203, as shown in Fig. 23, the first opening / closing valve K1 is moved from the position indicated by the broken line to the position indicated by the solid line, thereby connecting the opening of the guide ventilation passage 57 ( Close 54Aa).

In this manner, as shown in FIG. 22, the first and third open / close valves K1 and K3 are closed, and the sixth open / close valve K6 is opened as shown in FIGS. 19 and 20.

The electric blower 24 is driven at a predetermined power, and the sixth opening / closing valve K6 is opened, and the lid case 500 is not closed by being closed by the main body case 20. As described above, outside air is introduced from the outside air inlet 84F of the storage case 81.

On the other hand, when the rotation of the arm 2002 stops, the protrusion 2104 of the arm 2002 passes over the peak portion of the pleat filter 104 in accordance with the rotation of the pleat filter 104, and whenever the rod passes over the peak, The projection 2104 of 2002 hits the peak of the pleated filter 104 to drop the fines attached to the pleated filter 104.

The fine dust separated from the pleated filter 104 is returned to the separation chamber portion 54 of the dust separation unit 52 through the return ventilation passage 2511 by the outdoor air introduced through the outside air inlet 84F. That is, the fine dust removed from the pleated filter 104 is discharged from the inside of the storage case 81 to the separation chamber portion 54.

Since the outside air introduced from the outside air inlet 84F reaches the pleated filter 104, the pleated filter 104 is cleaned.

Since the second opening / closing valve K2 is opened by the outside air flowing through the return air passage 2511 as shown in FIG. 25, the fine dust separated from the pleated filter 104 is surely separated from the dust separation unit 52. It may be returned to the seal 54.

The outside air and the thinning introduced into the separating chamber part 54 are rotated in the counterclockwise direction in FIG. 10, whereby the thinning and air are separated by the inertia force, and the separated thinning is the separating chamber part 54 by the inertial force. The dust is collected from the inlet opening 53A through the communication case portion 72 of the dust collecting container 410 to the dust collecting chamber 73.

In addition, the air separated from the washings passes through the net filter NF1 (see FIG. 12) of the dust separation means 55 and the net filter NF2 (see FIG. 25) of the opening 154B. A). The outside air sucked into the suction ventilation path part 56 is sucked into the suction pipe 27 through the bypass ventilation path 2500, and then suctioned into the suction opening 24A of the electric blower 24, and the cleaner main body 11. Is exhausted from the exhaust port 20H.

In this manner, the fine dust separated from the pleated filter 104 is returned to the separation seal portion 54 of the dust separating portion 52, so that dust is prevented from being attached to the pleated filter 104 again.

In addition, since the arm 2002 is rotated by the rotation of the pleated filter 104 to close the third open / close valve K3 and open the sixth open / close valve K6, the third open / close valve K3 and the six open / close valves. A dedicated motor or the like for opening the valve K6 is no longer necessary.

When the predetermined time elapses, the driving of the electric blower 24 is stopped, the grating member 600 is rotated by a predetermined angle, and as shown in FIG. 21, the first opening / closing valve K1 and the third opening / closing valve ( K3) and the fourth open / close valve 28 are opened, and the second open / close valve K2, the fifth open / close valve 2502 and the sixth open / close valve K6 are closed.

According to the present embodiment, since the second opening / closing valve K2 is opened and closed by the flow of air, the overall configuration can be simplified.

In the present embodiment, the outside air introduced from the outside air inlet 84F is blown directly toward the pleated filter 104, but the present invention is not limited thereto. That is, the embodiment of the air cleaning does not directly blow into the pleated filter 104 in addition to the above, but instead of the thinning and the storage case 81 floating in the space on the front side of the pleated filter 104 in the storage case 81. It may also include a configuration in which the thinner dust collected at the bottom is discharged from the bottom opening 82A to the outside of the storage case 81 by the air flowing in the outside air inlet 84F.

In addition, in this embodiment, after the damper 2104 has passed over the peak of the pleated filter 104, the damper 2104 removes dust by tapping the peak, but the present invention is not limited thereto. For example, when the damper 2104 strikes the holding frame of the pleated filter element 100, the vibration is transmitted to the pleated filter 104, and the vibration of the pleated filter 104 may be removed by such vibration. .

In addition, in this embodiment, when the damper 2104 comes into contact with the peak of the pleated filter 104, the rotation operation of the pleated filter body 100 is transmitted to the arm 2002 provided with the damper 2104. . However, the present invention is not limited thereto, and for example, the rotation of the pleated filter body 100 is transmitted to the arm 2002 by bringing the damper 2104 into contact with the holding frame of the pleated filter body 100. It may be possible.

In addition, in the present embodiment, the pleated filter 104 is configured to include a pleat formed radially, but the present invention is not limited thereto. As long as the rotation of the pleated filter element 100 can be transmitted to the arm 2002 and the third open / close valve K3, the direction of the pleats may not exclude a structure other than the radial direction, for example, one direction or multi-direction. It may be. However, considering the transmission of the rotational motion to the arm 2002 and the efficient vibration suppression by the damper 2104, the radial pleats as in the present embodiment are preferable.

In the foregoing description, the invention has been described in terms of exemplary embodiments, but the invention is not limited thereto. Those skilled in the art can readily understand that various improvements and modifications can be made to the configuration of the present invention without departing from the scope or spirit of the present invention. From the viewpoint of the above description, the present invention is intended to include improvements and modifications of the present invention, which are included in the scope of the appended claims and their equivalents.

This invention claims priority based on Japanese Patent Application No. 2006-229886 for which it applied on August 25, 2006, The application content including the specification, drawing, and claim of the said application is referred here with all reference. Include it in

Claims (4)

A dust separator for separating dust and air sucked through the electric blower, A dust collecting unit collecting dust separated from air in the dust separating unit, A filtration separation unit rotatably provided in a storage case located on a downstream side of the dust separation unit, for separating sejin passed through the dust separation unit from air; Drive means for rotating the filtration separator; An outside air introduction hole formed in the storage case for introducing outside air into the storage case; An outside air introduction hole opening and closing member for opening and closing the outside air introduction hole; A communication ventilation passage communicating the dust separation unit and the storage case; A communication ventilation opening and closing member for opening and closing the communication ventilation passage, For normal cleaning, a first flow path extending through the dust separation unit, the communication ventilation path, and the filtration separation unit and drawn by the electric blower is formed, and for air cleaning of the storage case, in the air cleaning process, Air flow control means for forming a second flow path that is sucked by the electric blower without passing air introduced from the outside air introduction hole through the filtration separation unit, The first flow path is formed by rotating the filtration separation unit in one direction to open the communication ventilation opening / closing member and closing the external air opening and closing member, and closing the communication ventilation path opening and closing member by rotating the filtration separation unit in the other direction. And an interlock mechanism for interlocking the open / close member and the communication ventilation opening / closing member according to the rotation of the filtration separator by the driving means so that the second flow path is formed by opening the open / close member. . The filtration separator according to claim 1, wherein the filtration separator is provided with a pleated filter having a plurality of filter grooves disposed radially, and the interlock mechanism is provided with vibration damping means having a damper coupled with the pleated filter. When the separator is rotated, the communication ventilation opening and closing member and the outside air opening and closing member are opened and closed in accordance with the rotation of the filtration separator through the vibration isolating means. The vacuum cleaner according to claim 2, wherein the vibration isolator starts dust removal of the filter after the opening and closing operations of the communication ventilation opening and closing member and the external air opening and closing member are completed. 4. The vibration isolator is provided with an arm having a rear end pivotally supported at a rotational center of the pleated filter and the vibration suppressor provided with the arm and in contact with a peak of the pleated filter. An electric vacuum cleaner, arranged to be rotatable about the axis of the arm and to be pressed about the axis.

Images