JP2002017628A - Electric vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric vacuum cleaner in which a dust collecting body can be simply removed in one action, work for throwing out trash can be easily performed without staining hands, and the dust collecting body can be simply mounted. SOLUTION: The electric vacuum cleaner is comprised of both a cleaner main body 1 comprised of a lower case 2 and an upper case 8 to house a motor- driven blower 3 and a dust collecting box 10 to which the dust collecting body 40 is mounted and which is attachment/detachment-freely mounted to the cleaner main body 1. The dust collecting box 10 is constituted of both an approximately semicylindrical dust collecting case 11 with a top and an open rear surface side and a guide frame 25 of an approximately recessed cross section provided with mounting parts 30 and 35 for the dust collecting body 40 in the back surface of a front surface plate with vent openings.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner having a dust collecting box to which a dust collecting body is attached and which is detachably attached to a cleaner body.

[0002]

2. Description of the Related Art FIG.
It is sectional drawing of the conventional vacuum cleaner described in Unexamined-Japanese-Patent Publication.
In the figure, reference numeral 61 denotes a rear case having a built-in electric blower 62, 63 denotes a front case provided with a dust collecting body 64, and the rear case 61 and the front case 63 are detachably joined by a connection portion 65. A hose (not shown) is connected to an insertion port 66 provided on the front side of the front case 63, and a suction air passage communicating the dust collector 64 and the electric blower 62 is formed.

[0003] A rear case 61 and a front case 63 are provided.
A rear handle 67 and a front handle 68 are provided on the upper side of the front case 68, respectively.
A release button 70 having a pressing surface 69 therein is mounted in a state of being urged upward by a spring 71. further,
At the lower part of the front case 63, an opening 74 is provided which is covered with a lid plate 73 which rotates around a hinge 72. The dust collecting body 64 can be taken out through the opening 74. ing.

In the vacuum cleaner constructed as described above, when a hose (figure shown) having a floor brush attached to one end thereof is connected to the insertion port 66 and the electric blower 62 is energized, dust on the floor is removed from the floor brush. And is filtered by the dust collecting body 64 and accumulated in the dust collecting body 64. When the dust collector 64 is full of dust, the suction force is reduced, and it is necessary to replace the dust collector with a new dust collector.

When the dust collecting body 64 is to be replaced, the hose is removed from the insertion port 66, the connecting portion 65 is operated to separate the front case 63 from the rear case 61, and the front handle 63 is held while holding the front handle 68. The case 63 is moved to the recycle bin. Then, by pressing down the release button 70, the pressing surface 69 pushes down the upper part of the dust collecting body 64, and further,
When the cover plate 73 opens the opening 74, the dust collecting body 6 is opened.
4 falls through opening 74 and is discarded in the trash. If a new dust collecting body 64 is to be installed,
3 is opened, a hand is put into the opening 74, the dust collecting body 64 is attached to the back of the front case 63, the cover plate 73 is closed, and the front case 63 is connected to the rear case 61 (prior art 1).

FIG. 8 is a sectional view of a main part of a vacuum cleaner described in Japanese Patent Application Laid-Open No. 2000-83878. Note that the basic configuration of the entire vacuum cleaner is substantially the same as that of the related art 1, and thus the description is omitted. In the figure, 81 is a dust collecting body 82
Is stored in a dust collecting case, and the upper part thereof is openably and closably covered by a lid 83. Then, the dust collecting body 82 is placed on a lower guide 86 of an L-shaped dust collecting basket 85 having a handle 84 at an upper part.
And the upper hook 89.

In the above vacuum cleaner, when replacing the dust collecting body 82 filled with dust, the lid 83 is opened and the dust collecting body 82 is taken out together with the dust collecting basket 85 to the outside. Then, by moving the dust collecting basket 85 onto the trash box and releasing the upper hook 89, the dust collecting body 82 falls off the dust collecting basket 85 and is discarded in the trash box. When a new dust collecting body 82 is mounted, the mount 87 of the dust collecting body 82 is set on the upper and lower hooks 89 and 88, the dust collecting basket 85 is attached to the dust collecting case 81, and the lid 83 is closed (prior art 2). ).

[0008]

In the vacuum cleaner of the prior art 1, when the dust collecting body 64 is replaced, the front case 63 must be replaced.
Must be connected and disconnected, and the rear case 61 and the front case 63 must be separated or fixed by the connecting portion, which is troublesome.
Furthermore, since the front case 63 is about half the size of the main body of the vacuum cleaner, when the front case 63 is separated and moved,
In addition to being heavy, it was difficult to operate the release button 70 with one hand. Further, when the full dust collector 64 is discarded, the dust collector 64 is in close contact with the inner wall of the front case 63, so that there is a problem that the dust collector 64 does not easily fall even when the release button 70 is pressed. Furthermore, when installing a new dust collecting body 64,
Since the mounting portion is located at a recessed position, it is difficult to mount the mounting portion.

In the vacuum cleaner of the prior art 2, when taking out the dust collecting body 82, the lid 83 must be opened without fail, and the handle 84 of the dust collecting basket 85 is placed in the dust collecting case 81. Therefore, there is a problem that the hands become dirty when the dust collector 82 is replaced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and not only can the dust collector be easily taken out by one action, but also it is possible to easily carry out garbage disposal without soiling the hands. It is an object of the present invention to obtain a vacuum cleaner which can be easily mounted with a dust collector.

[0011]

According to the present invention, there is provided a vacuum cleaner comprising a lower case and an upper case accommodating an electric blower, and a dust collector attached to the vacuum cleaner to be detachable from the cleaner body. And a dust collection box attached to the main body. The dust collection box is attached to the back of a front plate having a ventilation hole and a substantially semi-cylindrical dust collection case having an open rear side. And a guide frame having a substantially concave cross section integrally provided with the dust collecting case. A handle was provided on the top surface of the dust collecting case. Further, the dust collection box is attached and detached from above the cleaner body.

The dust collecting case is provided with a release button, a guide frame is provided with a holder controlled by the release button, and the holder is provided with a hook for retaining the mount of the dust collecting body. In addition, a pedestal shorter than the width of the dust collector is provided at the lower portion of the guide frame, and a hook for locking the mount of the dust collector is provided on the front side of the pedestal.

[0013] A ring-shaped packing made of an elastic material is provided in the ventilation hole of the guide frame. A seal lip is provided on the front side of the packing, and a cylindrical guide rib is provided on the rear side. Further, a hole for fitting to the guide rib of the packing is eccentrically provided on the mount of the dust collecting body.

A projection is provided on an upper portion on a rear surface side, is rotatably fixed to a guide frame, and is biased by a spring so that a lower end portion thereof is located on a front side with respect to a guide rib provided on the guide frame. It is equipped with a stopper to prevent forgetting to attach the collected dust collector.

[0015]

FIG. 1 is a longitudinal sectional view of one embodiment of a vacuum cleaner according to the present invention, FIG. 2 is an enlarged view of a main part of FIG.
FIG. 3 is an exploded perspective view of a main part of FIG. In the figure, 1
Is a main body of the cleaner, in which the electric blower 3 is accommodated, a partition wall 4 having a large number of ventilation holes is provided on the front side, rear wheels are mounted on both sides, and a lower part is extended from the partition wall 4 to the front side by the bottom plate 5. A lower case 2 in which a front wall 6 is erected at the front end and a hose insertion port 7 is provided, and an upper case 8 having a handle 9
And a dust collecting case 1 on the front side of the cleaner body 1.
A dust collection box 10 including a guide frame 1 and a guide frame 25 is detachably installed. In the present embodiment,
The left side of FIG. 1 is called the front side, and the right side is called the rear side.

The dust collecting case 1 constituting the dust collecting box 10
Reference numeral 1 denotes a main body 12 having a semicircular opening 12a formed in a lower part on the front side and a main body 12 formed in a semi-cylindrical shape having an open rear side and a front side attached to the top surface of the main body 12. The handle 13 is composed of a vertically movable button 14 provided on the front side of the front handle. The button 14 is always upward by a spring 16 interposed between the handle and the dust collecting case 11. Being energized.

A communication shaft 15 is provided below the release button 14.
Is provided, and is inserted into a communication hole 17 provided in the main body 12 of the dust collection case 11 and protrudes inside. Further, a seal valve 18 having a distal end pushing piece 19 is screwed and integrally connected to a distal end portion of the communication shaft 15, and a seal packing 20 provided on an upper surface of the seal valve 18 is provided.
The sealing rib 21 provided on the dust collecting case 11
By being pressed by the force of 6, the inside of the dust collecting case 11 and the outside air are shut off.

Reference numeral 25 denotes a guide frame having a substantially concave cross section which is screwed and integrally connected to the lower inner side of the dust collecting case 11. A vent 26 is provided at a substantially central portion of the front plate. A ring-shaped packing 27 made of an elastic material is fitted into the ventilation hole 26. And this packing 27
Is provided with a seal lip 27a on the front side, and a cylindrical and relatively long guide rib 27b is provided on the rear side. Above the ventilation port 26, a holder 28 pivotally supported about a shaft 29 is provided, and an upper hook 30 having an inclined surface is provided at the rear of the holder 28. I have. Further, a receiving part 31 is provided at a position corresponding to the tip pushing piece 19 of the seal valve 18 on the upper part of the front surface.
Are formed, and a spring receiver 32 is protruded from the lower part on the front side. The holder 28 is urged by a spring 33 interposed between the spring receiver 32 and the guide frame 25 so that the inclined surface of the upper hook 30 faces obliquely downward.

Reference numeral 34 denotes a pedestal provided at the lower end of the guide frame 25 and having a length shorter than the width A of a dust collector 40 described later, and reference numeral 35 denotes a mount 41 of the dust collector 40 provided on the front side of the pedestal 34. The lower hook to stop. On the front side of the dust collecting body 40, a mount 41 having a hole 42 which is eccentric upward and is fitted to the guide rib 27b of the packing 27 is provided.
The dust collecting body 40 is placed on the base 34 from behind the
Is fixed to the lower hook 35, and the upper
If it is pressed against the inclined surface of the upper hook 30, the holder 28
Is rotated, the mount 41 is automatically engaged with the upper hook 30, and the hole 42 is fitted to the outer periphery of the guide rib 27 b of the packing 27. At this time, since the hole 42 provided in the mount 41 is eccentrically provided and the vertical direction is regulated, the hole 42 is not erroneously mounted in the vertical direction.

Reference numeral 45 denotes a stopper for preventing the dust collector 40 attached to the guide frame 25 from being forgotten to be mounted. The shaft 46 is fitted to the bearing 36 of the guide frame 25 and is rotatably held. FIG. 4 shows a state where the stopper 45 is attached to the guide frame 25. A spring receiver 47 provided above the stopper 40
A spring 50 is interposed between the guide frame 25 and a spring receiver 37 provided on a bearing 36 of the guide frame 25, and a distal end portion 48 of a stopper 45 projects forward from a guide rib 38 provided on the front surface of the guide frame 25. As always.

When the dust collecting body 40 is mounted on the guide frame 25, a projection 49 provided on the upper rear surface of the stopper 45 is provided.
The mount 41 of the dust collecting body 40 comes into contact with and presses the
5 is rotated so that the distal end portion 48 is located at the same position as or behind the guide rib 38.

When the dust collecting box 10 is attached to the cleaner body 1, as shown in FIG.
Lower case 2 provided with insertion port 7 on the front side of
The seal lip 52 of the packing 51 made of an elastic material attached to the front wall 6 and the seal lip 27a provided on the front side of the packing 27 attached to the guide frame 25 contact each other to form a seal structure. You. When the dust collection box 10 is attached to and detached from the cleaner body 1, the seal lips 27a and 52 of the packings 27 and 51 are elastically deformed with each other, and can be smoothly attached and detached.

Next, the operation of the vacuum cleaner according to the present invention will be described. Dust sucked in from a floor brush (not shown) connected to the end of a hose or a pipe connected to the hose having one end connected to the insertion port 7 of the cleaner body 1 passes through the insertion port 7 through the packings 52 and 27. And is collected inside the dust collecting body 40. Dust collector 4 filled with dust
In order to replace 0 with a new dust collecting body, the dust collecting box 10 is pulled upward while holding the front handle 13 in a state of being connected to the hose insertion port 7. At this time, since the mount 41 of the dust collecting body 40 is engaged with the upper hook 30 and the lower hook 35, the dust collecting body 40 is pulled up together with the dust collecting box 10. The state at this time is shown in FIGS.

Next, in the state shown in FIG.
Move 0 to the top of the recycle bin and push the release button 14 down. As a result, the tip pushing piece 19 of the seal valve 18 is
Presses down the receiving portion 31 of the holder 28 and moves the holder 28 to the shaft 2.
By rotating the dust collecting body 40 in the direction of arrow C with the fulcrum 9 as a fulcrum, the lock on the mount 41 of the dust collecting body 40 is released. The dust collecting body 40 filled with dust is mounted on the pedestal 3 of the guide frame 25.
4 is short and protrudes rearward, and when the lock by the hook 30 is released, it rotates in the direction of arrow D due to its own weight, separates from the dust collection box 10, falls, and is thrown away in the trash can. On the other hand, the release button 14 returns to the original state by the urging force of the spring 16.

When a new dust collecting body 40 is mounted, the dust collecting body 40 is inserted from behind the dust collecting box 10 and
Is engaged with the lower hook 35 of the guide frame 25 and the mount 41 is rotated in the direction of arrow E. As a result, the upper part of the backing paper 41 moves forward while pushing up the inclined surface of the upper hook 30 of the holder 28 and is locked to the upper hook 30, and the dust collecting body 40 is set with one touch. At this time, the mount 41 presses the protrusion 49 of the stopper 45 to
To hold its distal end 48 at the same height as the guide rib 38 or thereby in the rearward position.

When the dust collecting box 10 is mounted on the cleaner main body 1, the dust collecting box 10 can be easily set and integrated by inserting the dust collecting box 10 into the front side of the cleaner main body 1 from the state shown in FIG. it can. If the dust collector 40 is not set on the guide frame 25 and is set on the cleaner body 1, the distal end 48 of the stopper 45 is located forward of the guide rib 38 of the guide frame 25.
The distal end portion 48 is blocked by an erroneous operation prevention rib (not shown) provided on the cleaner main body 1 and cannot be inserted any further, so that it cannot be set.

[0027]

According to the present invention, there is provided a vacuum cleaner comprising a lower case and an upper case accommodating an electric blower, and a dust collector to which a dust collector is attached and which is detachably attached to the cleaner body. And a dust box.
An almost semi-cylindrical dust collecting case with an open rear surface and a dust collecting body mounting portion provided on the back of the front plate having a ventilation hole, and a substantially concave cross section integrally mounted on the dust collecting case. A guide frame is provided, a handle is provided on the top surface of the dust collecting case, and the dust collecting box is attached to and detached from above the cleaner body. The dust collecting body can be easily attached / detached in one action because of being exposed to the outside, and since the handle is provided outside, the hand does not become dirty when the handle is held. In addition, since the dust collection box is light, it is easy to handle and a convenient vacuum cleaner can be obtained.

In addition, a release button is provided on the dust collection case, a holder controlled by the release button is provided on the guide frame, and a hook on which the mount of the dust collector is locked is provided on the holder. At the bottom, a pedestal that is shorter than the width of the dust collector is provided, and a hook that locks the dust collector's mount is provided on the front plate side, so pull out the dust box from the cleaner body and press down the release button In addition, the dust collector can be easily and reliably dropped.

Further, there is provided a ring-shaped packing made of an elastic material and attached to the ventilation hole of the guide frame, a seal lip is provided on the front side of the packing, and a cylindrical guide rib is provided on the rear side. Since the holes for fitting the guide ribs are provided eccentrically on the mount of the dust collector, the dust collector is not mounted on the guide frame by mistake in the vertical direction. Positioned and held securely.

A projection is provided on the upper portion on the rear side, is rotatably supported by the guide frame, and is biased by a spring so that its lower end is located on the front side of the guide rib provided on the guide frame. A stopper for preventing the dust collector from being forgotten is provided so that the dust collecting box cannot be attached to the cleaner body unless the dust collector is attached. Therefore, it is possible to prevent the user from forgetting to attach the dust collector.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of one embodiment of a vacuum cleaner according to the present invention.

FIG. 2 is an enlarged view of a main part of FIG.

FIG. 3 is an exploded perspective view of a main part of FIG.

FIG. 4 is a partial sectional view of the dust collection box of FIG.

FIG. 5 is a perspective view showing a state where a dust collection box is separated from a cleaner body.

FIG. 6 is a longitudinal sectional view for explaining the operation of the dust collection box.

FIG. 7 is an explanatory diagram of an example of a conventional vacuum cleaner.

FIG. 8 is an explanatory view of another example of the conventional vacuum cleaner.

[Explanation of symbols]

1 Vacuum cleaner body, 2 lower case, 8 upper case, 10
Dust collection box, 11 Dust collection case, 13 Front handle, 14
Release button, 25 guide frame, 27 packing, 27b
Guide rib, 28 holder, 30 upper hook, 34
Pedestal, 35 lower hook, 38 guide rib, 40 dust collector,
41 Mount, 42 holes, 45 stoppers, 49 protrusions.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masafumi Oki 1728-1, Koeda, Oaza, Hanazono-cho, Osato-gun, Saitama Prefecture Inside Mitsubishi Electric Home Equipment Co., Ltd. Mitsubishi Electric Home Equipment Co., Ltd. (72) Inventor Masahiro Baba 1728-1 Koeda, Hanazono-cho, Osato-gun, Saitama F-term (reference) 3B006 DA05 HA02 3B057 FA01 FA14 FA21 3B062 AB40 AC05 AD02 AD03 AG05

Claims (8)

[Claims] 1. A cleaner body comprising a lower case and an upper case accommodating an electric blower, and a dust box to which a dust collector is attached and which is detachably attached to the cleaner body. A dust box is provided with an approximately semi-cylindrical dust collecting case having a rear side opened and a dust collecting case, and a mounting portion for the dust collecting body is provided on a back surface of a front plate having a ventilation hole, and is integrally formed with the dust collecting case. An electric vacuum cleaner comprising: a guide frame having a substantially concave cross section attached. 2. The vacuum cleaner according to claim 1, wherein a handle is provided on a top surface of the dust collecting case. 3. The vacuum cleaner according to claim 1, wherein the dust collection box is detachable from above the cleaner body. 4. A dust collecting case is provided with a release button,
The vacuum cleaner according to any one of claims 1 to 3, wherein a holder controlled by the release button is provided on the guide frame, and a hook on which the mount of the dust collector is locked is provided on the holder. . 5. A pedestal having a width smaller than the width of the dust collector is provided at a lower portion of the guide frame, and a hook is provided on a front plate side of the pedestal to lock a mount of the dust collector. ~
5. The vacuum cleaner according to any one of 4. 6. A seal made of an elastic material and having a ring-shaped packing attached to a ventilation hole of a guide frame, a seal lip provided on a front side of the packing, and a cylindrical guide rib provided on a rear side. The vacuum cleaner according to any one of claims 1 to 5, wherein 7. The vacuum cleaner according to claim 1, wherein a hole for fitting to a guide rib of the packing is eccentrically provided on the mount of the dust collector. 8. A projection is provided on an upper portion on a rear surface side, and is rotatably supported by a guide frame, and is biased by a spring so that a lower end portion thereof is located on a front side of a guide rib provided on the guide frame. The vacuum cleaner according to any one of claims 1 to 7, further comprising a stopper for preventing attachment of the collected dust body.