JPH08515A - Vacuum cleaner - Google Patents

Abstract

PURPOSE:To provide a vacuum cleaner capable of reducing the number of components and without reducing dust collection quantity by providing an indicator before the dust collection chamber of a cleaner main body and holding the indicator between the front part of the cleaner main body and a cover. CONSTITUTION:The indicator 19 is provided in a state in which a tube 24 is connected to a communicating hole 9 on the front wall 6 of the dust collection chamber, and a front cover 12 is attached. The suction port of the front cover 12 is made so as to correspond to the suction hole 21 of the indicator 19, and the cylindrical member 20 of the indicator 19 is faced with the display window 18 of the front cover 12, and also, the indicator 19 is held between the front wall 6 of the dust collection chamber and the supporting rib 16 of the front cover 12. When the dust collection chamber is filled with dust during cleaning and the suction side of an electric blower becomes a negative pressure, a supporting member 25 is slide in the cylindrical member 20, and is moved to a dust collection chamber 3 side, and outside air flows in from a gap between the supporting member 25 and the suction hole 21 of a cap 23 to prevent the electric blower from being heated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vacuum cleaner having an indicator showing the amount of dust collected in the main body of the vacuum cleaner.

[0002]

2. Description of the Related Art Conventionally, in an electric vacuum cleaner provided with an indicator showing the amount of collected dust, it is general that the indicator is arranged in the upper part of the dust collecting chamber or the upper part of the electric blower housing chamber.

However, when the indicator is arranged on the dust collecting lid covering the upper part of the dust collecting chamber as disclosed in, for example, Japanese Patent Laid-Open No. 4-215735 (A47L 9/19), the space for arranging the indicator is reduced. Therefore, there is a problem that the dust collecting capacity becomes small, and a part for supporting the indicator is required, which causes a problem that the number of parts increases.

Further, for example, Japanese Patent Laid-Open No. 4-240425 (A47L
As shown in (9/19), when an indicator is provided above the electric blower storage chamber, the user is away from the cleaner body during cleaning, that is, generally in front of the cleaner body. There is a drawback that it is difficult for the user to see the indicator.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above drawbacks, and an object of the present invention is to provide an electric vacuum cleaner in which the number of parts is reduced and the dust collecting capacity is not reduced.

[0006]

According to the present invention, there is provided a cleaner main body having a dust collection chamber at a front portion thereof and an electric blower storage chamber for storing an electric blower at a rear portion thereof, and a cleaner body formed at a front portion of the cleaner main body. An air inlet communicating with the dust collecting chamber and an indicator for indicating the amount of dust collected in the dust collecting chamber are provided, and the indicator is arranged in front of the dust collecting chamber.

Further, according to the present invention, there is provided a cleaner main body which forms a dust collecting chamber having an intake port at a front portion thereof and an electric blower storage chamber for storing an electric blower at a rear portion thereof, and a cleaner body which is attached to a front portion of the cleaner body. A cover having a hose connection opening communicating with the intake opening and an indicator showing a dust collection amount in the dust collection chamber, and the indicator is sandwiched between the front portion of the cleaner body and the cover. And

Further, according to the present invention, there is provided a cleaner main body which forms a dust collecting chamber having an intake port at a front portion thereof and an electric blower housing chamber for storing an electric blower at a rear portion thereof, and a cleaner body which is attached to a front portion of the cleaner body. A cover having a hose connection opening communicating with the air intake opening, and an indicator showing the amount of dust collected in the dust collection chamber, and the indicator is sandwiched between the front portion of the cleaner body and the cover, and A display part facing the indicator is formed on the upper surface or the upper corner of the cover.

[0009]

According to the structure of the first aspect of the present invention, the indicator is arranged in front of the dust collecting chamber of the cleaner main body, and it is prevented that the dust collecting capacity of the dust collecting chamber is reduced.

According to the second aspect of the present invention,
Since the indicator is sandwiched between the front part of the cleaner body and the cover, there is no need to support the indicator, the number of parts can be reduced, and the collection capacity of the dust collection chamber can be prevented from decreasing. It

Further, according to the structure of claim 3 of the present invention, since the indicator is sandwiched between the front portion of the cleaner body and the cover, a component for supporting the indicator is not required and the number of components is reduced. In addition, it is possible to prevent the dust collection capacity of the dust collection chamber from being reduced.

Further, since the display portion facing the indicator is formed on the upper surface or the upper corner of the cover, the user can easily see the indicator during cleaning.

[0013]

An embodiment of the present invention will be described in detail below with reference to the drawings.

A vacuum cleaner body 1 has a dust collection chamber 3 for storing a dust bag 2 in the front and an electric blower storage chamber 4 for storing an electric blower in the rear. 5 is an intake port formed in the front wall 6 of the dust collection chamber 3, 7 is formed in the vicinity of the intake port 5, and the mouth plate 8 of the dust bag 2 is locked in a direction in which it comes into pressure contact with the intake port 5. It is a clamp. Reference numeral 9 is a communication hole formed in the front wall 6 of the dust collection chamber 3, in which a tube 24 of an indicator 19 described later is arranged, and a tubular member of the indicator 19 is provided.
The inside of 20 and the inside of the dust collection chamber 3 communicate with each other.

Reference numeral 10 denotes a dust collecting lid which covers the upper opening of the dust collecting chamber 3 so as to be freely opened and closed.
When the dust collecting bag 10 is closed without attaching the dust collecting bag 2 to the dust collecting chamber 3, the clamp 7 is rotated to the inside of the dust collecting chamber 3. Because of the rib
The dust collection lid 10 is prevented from closing by the contact of the clamp 11 with the clamp 7.

Reference numeral 12 denotes a front cover which is attached to the front portion of the intake port 5 of the cleaner body 1, forms a hose connection port 13 communicating with the intake port 5, and a bellows hose 14 can be detachably attached to the hose connection port 13. It is designed to connect to. Reference numeral 15 is a terminal formed on the front cover 12, and by connecting a connection terminal formed on the bellows hose 14, power is supplied to the electric motor housed in the floor suction tool (not shown) through the bellows hose 14. It is being supplied.

Reference numeral 16 is a support rib formed on the back side of the front cover 12, and by attaching the front cover 12 to the cleaner body 1, an indicator 19 described later is provided between the support rib 16 and the cleaner body 1. It is designed to be sandwiched. .

Reference numeral 17 is an intake hole formed in the front cover 12, and when the dust bag 2 is filled with dust and the inside of the cleaner main body 1 becomes a negative pressure, outside air flows in from the intake hole 17 and will be described later. The indicator 19 is activated. Reference numeral 18 denotes a display window formed in an upper corner portion of the front cover 12, and an indicator 19 which will be described later is activated to indicate an indicator member 25.
When is slid, the indicating member 25 is located in the display window 18, and the user can visually recognize the accumulation of dust.

Reference numeral 19 denotes the cleaner body 1 and the front cover 12
A transparent tubular member 20 and an elastic cap provided at one end of the tubular member 20 (on the intake hole 17 side of the front cover 12) and having a suction hole 21. 23, a tube 24 provided at the other end of the tubular member 20 and connected to the communication hole 9 of the front wall 6 of the dust collection chamber 3, and an instruction slidably provided in the tubular member 20. It is composed of a member 25 and a spring 26 for urging the pointing member 25 toward the suction hole 21 of the cap 23.

Reference numeral 27 denotes a rib having a cross-shaped cross section formed on the pointing member 25, which is fitted into the suction hole 21 of the cap 23 to prevent the pointing member 25 from tilting and to prevent a gap between the cap 23 and the pointing member 25. It is designed to prevent air leakage due to the formation of a gap in the.

As in the conventional example shown in FIG.
When the convex portion 31 that fits into the suction hole 30 of the cap 29 is formed, when the dust collection chamber 3 becomes a negative pressure and the indicator member 28 slides,
The outside air hits the convex portion 31 and the indicator member 28 moves to the dust collecting chamber 3 side. Of the rib having a cross-shaped cross section in the present embodiment, though it does not contact the surface A and flows into the dust collecting chamber 3 through the gap and does not slide any further.
By forming 27, as shown in FIG.
Compared to the case where the convex portion 31 is formed on the surface B of the indicating member 25,
That is, the area for receiving the outside air is increased (hatched portion in FIGS. 6 and 8), and the slidability of the indicating member 25 is improved.

Then, the indicator 19 is arranged with the tube 24 connected to the communication hole 9 of the front wall 6 of the dust collection chamber 3,
Install the front cover 12. In this state, the intake port 17 of the front cover 12 corresponds to the suction hole 21 of the indicator 19, and the indicator window 19 of the front cover 12 has the indicator 19.
While the cylindrical member 20 faces, the indicator 19 is sandwiched between the front wall 6 of the dust collection chamber 3 and the support rib 16 of the front cover 12.

When the dust collecting chamber 3 is filled with dust during cleaning and the suction side of the electric blower becomes negative pressure, the indicating member 25 slides in the tubular member 20 and moves to the dust collecting chamber 3 side. Then, along with this, the outside air flows in through the gap between the indicating member 25 and the suction hole 21 of the cap 23 to prevent overheating of the electric blower.

Since the rib 27 having a cross-shaped cross section is formed as a restricting member for preventing the inclination of the indicating member 25, the outside air is hit when the indicating member 25 slightly slides toward the dust collecting chamber 3 side. Since the area B becomes large, the sliding of the indicating member 25 becomes easier.

According to the above configuration, the indicator 19 is
Since it is arranged in the space between the front wall 6 of the dust collection chamber 3 and the front cover 12, it is possible to prevent the dust collection capacity of the dust collection chamber 3 from being reduced, and by attaching the front cover 12, Since it can be supported, it is not necessary to fix it by another component, and the number of components can be reduced.

Further, since the display window 18 is formed at the upper corner of the front cover 12, it is easy for the user to visually recognize during use.

Although the display window 18 is formed at the upper corner of the front cover 12 in the above embodiment, it may be formed on the upper surface of the front cover 12.

[0028]

According to the structure of the first aspect of the present invention, by disposing the indicator in front of the dust collecting chamber of the cleaner body, it is possible to prevent the dust collecting chamber from decreasing its dust collecting capacity.

According to the second aspect of the present invention,
By sandwiching the indicator between the front part of the cleaner body and the cover, it is possible to reduce the number of parts and prevent the dust collection chamber from reducing its capacity without the need for components that support the indicator. .

Further, according to the structure of claim 3 of the present invention, by sandwiching the indicator between the front portion of the cleaner body and the cover, a component for supporting the indicator is not required and the number of components can be reduced. At the same time, it is possible to prevent the dust collection capacity of the dust collection chamber from decreasing.

Further, by forming the display portion facing the indicator on the upper surface or the upper corner of the cover,
The user can easily see that the dust is full during cleaning, and the usability can be improved.

[Brief description of drawings]

FIG. 1 is a fragmentary sectional view of an electric vacuum cleaner showing an embodiment of the present invention.

FIG. 2 is a front view of the front cover.

3 is a cross-sectional view taken along the line AA in FIG.

FIG. 4 is a cross-sectional view taken along the line BB in FIG.

FIG. 5 is an exploded perspective view of the indicator.

FIG. 6 is a diagram showing an area of the indicating member that receives outside air.

FIG. 7 is an exploded perspective view of an indicator showing a conventional example.

FIG. 8 is a diagram showing an area of the indicating member that receives outside air.

[Explanation of symbols]

 1 Vacuum cleaner body 3 Dust collection chamber 5 Air intake 12 Front cover (cover) 13 Hose connection 18 Display window (display) 19 Indicator

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kenichiro Dohi, 2-5-5 Keihan Hondori, Moriguchi City, Osaka Prefecture Sanyo Electric Co., Ltd. (72) Mitsuru Nishizawa, 2-5 Keihan Hondori, Moriguchi City, Osaka Prefecture No. 5 Sanyo Electric Co., Ltd.

Claims (3)

[Claims] 1. A cleaner body which forms a dust collecting chamber in the front part and an electric blower housing chamber which houses an electric blower in the rear part, and a cleaner body which is formed in the front part of the cleaner body and communicates with the dust collecting chamber. An electric vacuum cleaner comprising an intake port and an indicator for indicating the amount of dust collected in the dust collection chamber, the indicator being arranged in front of the dust collection chamber. 2. A cleaner body, each of which has a dust collection chamber having an intake port at a front portion and an electric blower storage chamber for storing an electric blower at a rear portion, and a suction port attached to the front portion of the cleaner body. An electric cleaning device comprising: a cover having a hose connection port communicating with the dust collector; and an indicator showing the amount of dust collected in the dust collecting chamber, the indicator being sandwiched between the front portion of the cleaner body and the cover. Machine. 3. A cleaner body, each of which has a dust collection chamber having an intake port at a front portion and an electric blower storage chamber having an electric blower at the rear portion, and a suction port attached to a front portion of the cleaner body. A cover having a hose connection port communicating with the above, and an indicator showing the amount of dust collected in the dust collection chamber, and sandwiching the indicator between the front part of the cleaner body and the cover, and the upper surface of the cover or An electric vacuum cleaner, characterized in that a display portion facing the indicator is formed in an upper corner portion.