JP4306938B2 - Electric vacuum cleaner - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a rechargeable vacuum cleaner incorporating a storage battery.
[0002]
[Prior art]
A so-called canister type vacuum cleaner in which an electric blower is driven by a storage battery is known in Japanese Utility Model Publication No. 6-8852 (A47L 9/28).
[0003]
In such a rechargeable vacuum cleaner, the storage battery is a heavy and heavy component like the electric blower. Therefore, in order to ensure the stability of the vacuum cleaner body, the storage battery is provided at the lower part of the vacuum cleaner body. Is considered optimal.
[0004]
Further, in a rechargeable vacuum cleaner, maintenance such as replacement of a storage battery is an essential condition, and it is necessary to make the battery storage part openable and closable, such as covering the battery storage part with a cover.
[0005]
However, if the storage battery is stored in the lower part of the vacuum cleaner body, an impact is directly applied to the storage battery storage part when the vacuum cleaner body collides with a step during cleaning or when the vacuum cleaner body is dropped during transportation. It is easy to damage the storage battery and the battery housing cover.
[0006]
[Problems to be solved by the invention]
This invention is made | formed in view of the said subject, and makes it a subject to provide the vacuum cleaner which can prevent damage to a storage battery and a battery accommodating part while ensuring the stability of a vacuum cleaner main body.
[0008]
[Means for Solving the Problems]
The present invention relates to a dust collecting chamber, an electric blower storage chamber for storing an electric blower, and a cleaner body having a battery storage portion for storing a storage battery, and a cover that covers the battery storage portion so as to be openable and closable and constitutes the bottom surface of the cleaner body A front wheel disposed in front of the lower surface of the cleaner body, a pair of rear wheels disposed on a side surface of the cleaner body, a flexible hose connected to the cleaner body, and the flexible An extension pipe connected to the conductive hose, a floor suction tool connected to the extension pipe, and a charging base on which the vacuum cleaner main body is detachably mounted and charges the storage battery when the vacuum cleaner main body is mounted. The storage battery is disposed between the rear wheels at the lower part of the cleaner body, and the front wheels are disposed on a cover.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described below in detail with reference to the drawings.
[0010]
Reference numeral 1 denotes a vacuum cleaner body, which has a dust collection chamber 3 in which an intake port 2 is formed in the front, and an electric blower storage chamber 5 in which an electric blower 4 is stored in the rear. Reference numeral 6 denotes a dust collection bag that is housed in the dust collection chamber 3 and that has an opening communicating with the intake port 2. Reference numeral 7 denotes a dust collection lid that closes the upper opening of the dust collection chamber 3 so that the opening can be opened and closed. is there.
[0011]
Reference numeral 8 denotes a front cover attached to the front surface of the dust collecting chamber 3, which forms a connecting tube portion 9 communicating with the intake port 2. One end portion of a flexible hose 16 described later is connected to the connecting tube portion 9. It is designed to be detachable.
[0012]
Reference numeral 10 denotes a caster roller disposed in front of the lower surface of the cleaner body 1, and 11 denotes a pair of rear wheels rotatably disposed on the rear side surface of the cleaner body 1.
[0013]
12 is a cover which is attached to the lower part of the electric blower storage chamber 5 and constitutes a part of the lower surface of the vacuum cleaner main body 1. A cover 14 for storing the storage battery 13 is formed between the electric blower storage chamber 5 and the bottom wall. Yes. The storage portion 14 is disposed between the rear wheels 11 of the cleaner body 1.
[0014]
A conductive terminal plate 15, which is a connection terminal, is disposed at the rear of the cleaner body 1, and the terminal plate 15 is connected to the storage battery 13.
[0015]
Reference numeral 16 denotes a flexible hose that is inserted into the connection tube portion 9 of the cleaner body 1 and is detachably connected to the intake port 2 at the other end of the flexible hose 16. The extension pipe 18 and the floor suction tool 19 are connected to each other in a detachable manner. Reference numeral 20 denotes a handle formed integrally with the connecting pipe 17 of the flexible hose 16, and is positioned on the upper surface side of the cleaner body 1 when the flexible hose 16 is connected to the cleaner body 1. ing.
[0016]
Reference numeral 21 denotes a charging stand incorporating a charger including a transformer and a charging control circuit (not shown), and has a mounting portion for mounting the cleaner body 1 in a standing state with the rear surface of the cleaner body 1 facing downward.
[0017]
A charging terminal (not shown) such as a conductive leaf spring is built in the charging base 21 at a position corresponding to the terminal plate 15 of the cleaner body 1, and the charging terminal is connected to a built-in charger. Yes.
[0018]
In the above configuration, since both the electric blower 4 and the storage battery 13 are heavy parts, when the cleaner body 1 is dropped or an impact is applied, a support rib that supports the electric blower 4 and the electric blower An excessive force is applied to the mounting boss that fixes the cover 12 that supports the storage battery 13 between the bottom surface of the storage chamber 5 and is easily damaged.
[0019]
Therefore, as in the second embodiment shown in FIGS. 5 and 6, the support rib 22 and the mounting boss 23 of the cover 12 are connected by the reinforcing rib 24 to connect the support rib 22 and the electric fan 4. The strength of the mounting boss 23 can be improved and damage can be prevented.
[0020]
In this configuration, when the vacuum cleaner is not used, the vacuum cleaner body 1 is placed on the charging base 21 and stored with the rear surface of the cleaner body 1 facing downward. At this time, the terminal plate 15 which is a connection terminal provided on the rear surface of the cleaner body 1 comes into contact with the charging terminal of the charging stand 21, and the storage battery 13 built in the cleaner body 1 is charged.
[0021]
When cleaning, the vacuum cleaner main body 1 is removed from the charging stand 21, and the connection pipe 17 at one end of the flexible hose 16 is connected to the air inlet 2 of the vacuum cleaner main body 1, and the other end of the flexible hose 16 is connected. The extension pipe 18 and the floor suction tool 19 are connected to each other, and the caster roller 10 and the rear wheel 11 are moved and used in contact with the floor surface.
[0022]
Since the storage part 14 of the storage battery 13 is disposed between the rear wheels 11, when the cleaner body 1 gets over the step, the cover 12 of the storage part 14 is not directly impacted, and the cover 12 While being able to prevent breakage, breakage of the storage battery 13 housed in the housing part 14 can be prevented.
[0023]
Further, by disposing the storage battery 13 at the lower part of the cleaner body 1, the center of gravity of the cleaner body 1 moves downward with the storage battery 13 attached to the cleaner body 1, and the cleaner body 1 is unlikely to fall down. As a result, running stability is improved and operability and usability can be improved.
[0024]
In the said embodiment, although the accommodating part 14 was formed between the rear wheels 11 behind the vacuum cleaner main body 1, you may comprise like 3rd Embodiment shown in FIG.7 and FIG.8.
[0025]
That is, the bottom surface of the dust collection chamber 3 and the electric blower storage chamber 5 is covered almost entirely, the cover 25 constituting the bottom surface of the cleaner body 1 is disposed, and the storage battery 26 is stored between the bottom surface of the cleaner body 1 and the cover 25. A portion 27 is formed.
[0026]
In the present embodiment, the caster roller 28 is disposed on the bottom surface of the cover 25.
[0027]
According to the present embodiment, by providing the cover 25 constituting the entire bottom surface of the cleaner body 1 and attaching the caster roller 28 to the cover 25, the area of the storage portion 27 of the storage battery 26 can be increased, and more By storing the storage battery 26, the continuous use time of the vacuum cleaner can be extended, and the usability can be improved.
[0028]
Moreover, by storing the storage battery 26 in the entire bottom surface of the cleaner body 1, the center of gravity of the cleaner body 1 does not move backward compared to the first embodiment, and the stability of the cleaner body 1 is improved. It can be improved.
[0030]
【The invention's effect】
According to claim 1 of the present invention , the storage battery is disposed between the rear wheels at the lower part of the cleaner body, and the front wheel is excreted in the cover constituting the bottom surface of the cleaner body, thereby increasing the storage area of the storage battery. It is possible to improve the usability, for example, by storing more storage batteries and extending the continuous use time of the vacuum cleaner.
[0031]
Moreover, by storing the storage battery in the entire bottom surface of the cleaner body, the center of gravity of the cleaner body does not move backward, and the stability of the cleaner body can be further improved.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a cleaner body showing a first embodiment of the present invention.
FIG. 2 is a side view of the electric vacuum cleaner.
FIG. 3 is a bottom view of the electric vacuum cleaner.
FIG. 4 is a side view showing a storage state of the cleaner body.
FIG. 5 is a cross-sectional view of a cleaner body showing the second embodiment;
FIG. 6 is an enlarged cross-sectional view of the main part.
FIG. 7 is a sectional view of a cleaner body showing the third embodiment.
FIG. 8 is a bottom view of the cleaner body.
[Explanation of symbols]
1 Vacuum Cleaner Body 3 Dust Collection Chamber 4 Electric Blower 10 Caster Roller (Front Wheel)
11 Rear wheel
DESCRIPTION OF SYMBOLS 12 Cover 13 Storage battery 14 Storage part 16 Flexible hose 18 Extension pipe 19 Floor suction tool 21 Charging stand 25 Cover 26 Storage battery 27 Storage part 28 Caster roller (front wheel)

Claims (1)

  A vacuum cleaner body having a dust collection chamber, an electric blower storage chamber for storing an electric blower, and a battery storage portion for storing a storage battery; A front wheel disposed in front of the lower surface of the machine body, a pair of rear wheels disposed on a side surface of the cleaner body, a flexible hose connected to the cleaner body, and connected to the flexible hose An extension pipe, a floor suction tool connected to the extension pipe, and a charging base on which the vacuum cleaner main body is detachably mounted and charges the storage battery in the mounted state of the vacuum cleaner main body. An electric vacuum cleaner disposed between rear wheels at a lower portion of the vacuum cleaner main body, and the front wheels disposed on a cover.

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