JP2001017362A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a vacuum cleaner which facilitates attaching and detaching of a dust collecting body provided within a dust collecting chamber and prevents the breakage of tight packing and the dust collecting body. SOLUTION: A vacuum cleaner is provided with a dust collecting chamber 3 attachably and detachably provided with a dust collecting body 6 having a mouth frame 7, an insertion part 2 formed at the chamber 3 to have a hose 11 inserted detachably, and a tight packing 10 having an annular part 10a to be fitted to the part 2 and a thin film 10b to be abutted on the frame 7 and bellows 10d energizing the film 10b to the side of the part 10a. When the hose 11 is inserted to the part 2, the film 10b of the tight packing 10 is abutted on the frame 7 and when the hose 11 is pulled out from the part 2, the film 10b is separated from the frame 7 by energizing of the bellows 10d.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner provided with a dust collector which can be attached to and detached from a dust collecting chamber.

[0002]

2. Description of the Related Art FIG. 5 is a partial cross-sectional view of a conventional vacuum cleaner disclosed in, for example, Japanese Patent Application Laid-Open No. 7-171777.
FIG. 7 is a cross-sectional view of a main part near the tight packing, and FIG. 7 is an explanatory view of taking out a dust collecting body from the dust collecting chamber.
00 is the main body, 101 is the insertion port, 102 is the exhaust port,
A floor brush and a hose (not shown) are connected to the insertion port 101. Reference numeral 103 denotes a dust collecting chamber having an opening 104 at an upper portion formed adjacent to the insertion port 101, and reference numeral 105 denotes an electric blower located on the exhaust port 102 side adjacent to the dust collecting chamber 103. In addition, the insertion port 101, the dust collecting chamber 103, the electric blower 105, and the exhaust port 102 are connected to each other by forming a blowing air path.

Reference numeral 106 denotes a dust collecting body which is housed in the dust collecting chamber 103 and collects dust. The dust collecting body 106 includes a mouth frame 107 and a dust collecting bag 108. Reference numeral 109 denotes a holder provided at an upper portion of the dust collecting chamber 103 on the side of the insertion port 101, and the hook portion 1 bent downward.
It has ten. Hook 110 is a spring (not shown)
To hold the upper portion of the mouth frame 107 of the dust collecting body 106. 111 is an opening 104 of the dust collecting chamber 103
It is a lid that opens and closes.

[0004] Reference numeral 112 denotes a front wall having an opening hole 112a erected on the side of the insertion port 101 of the dust collection chamber 103;
A tight packing made of an elastic material such as rubber fitted to the opening hole 112a of the slimming member 12, a supporter 114 for supporting the opening frame 107 of the dust collector 106, and a hinge 115 for pivotally supporting the supporter 114. Department.

Next, the support state of the dust collector 106 will be described. As shown in FIG. 6, the opening hole 112a of the front wall 112
The tight packing 113 fitted into the cylindrical body 113 includes a cylindrical body 113a protruding toward the dust collection chamber 103 and an edge 113b provided on the outer periphery of the cylindrical body 113a. Reference numeral 114 a denotes an insertion guide for the mouth frame 107 provided on both side ends of the support 114. A spring 116 biases the support 114 toward the tight packing 113, one end of which contacts the main body 100, and the other end biases the support 114 toward the tight packing 113. It should be noted that tight packing 11 is
A round hole 107a corresponding to the outer periphery of the third cylindrical body 113a is formed.

Next, the operation will be described. Outlet 101
When the electric vacuum cleaner is operated by connecting a floor brush and a hose to the motor, the electric blower 105 rotates to suck dust from the floor brush.
The dust passes through the floor brush and hose, passes through the insertion port 101, the tight packing 113, and the mouth frame 107, accumulates in the dust collecting bag 108, and the exhaust gas is exhausted from the exhaust port 102. If the vacuum cleaner is used for a long time, the flow of the suction airflow passing through the dust collecting bag 108 deteriorates, and the dust sucking force is reduced. Therefore, it is necessary to replace the dust collecting body 106 with a new dust collecting body.

When replacing the dust collecting body 106 with a new dust collecting body, the lid 111 of the main body 100 is opened, the holding body 109 is rotated, and the dust collecting body 106 is removed while the hook portion 110 is removed from the upper portion of the opening frame 107. The support 114 rotates toward the electric blower 105 side. Then, as shown in FIG. 7, the mouth frame 107 is inclined, and the round hole 107a is in the cylindrical body 1 of the tight packing 113.
Departs from 13a. Then, the dust frame 106 is taken out by pulling the mouth frame 107 upward while keeping the inclined state.

[0008]

Since the conventional vacuum cleaner is configured as described above, when taking out the dust collecting body 106 filled with dust, the lower end of the mouth frame 107 is used as a fulcrum, Since the upper end of the opening frame 107 is inclined toward the dust collecting chamber 103, the upper part of the dust collecting bag 108 is pressed and contracted, but the lower part of the dust collecting bag 108 is inflated to fill the dust collecting chamber 103. When the dust body 106 is pulled out, the dust bag 10
8 hits the tight packing 113, making it difficult to take out.
13 is damaged, and the dust bag 108 is damaged by the tight packing 113.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a vacuum cleaner in which a dust collector can be easily attached and detached and a tight packing and a dust collector can be prevented from being damaged. I do.

[0010]

According to the present invention, there is provided a vacuum cleaner comprising: a dust collecting chamber having a detachable dust collecting body having a mouth frame;
An insertion portion provided in the dust collection chamber, into which a hose is removably inserted, a fitting portion fitted to the insertion portion, a contact portion abutting on the mouth frame, and a contact portion corresponding to the fitting portion. A tight packing integrally formed with a telescopic part biasing to the side, and when a hose is inserted into the insertion part, a contact part of the tight packing comes into contact with the mouth frame, and the hose is When it is pulled out, the contact portion is separated from the mouth frame by the urging of the expansion and contraction portion.

Further, the tight packing is formed integrally with an elastic member or the like, and has a contact portion provided with an annular rib for restricting insertion of the hose and a thin film contacting the mouth frame.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a cross-sectional view of a main part of a vacuum cleaner according to Embodiment 1 of the present invention, FIG. 2 is a perspective view of a tight packing, FIG. 3 is a cross-sectional view of a tight packing, and FIG. It is a principal part cross-sectional view of the vacuum cleaner which shows a state. In the figure, the configuration of the entire vacuum cleaner is almost the same as the conventional one, and therefore the description is omitted. Reference numeral 1 denotes a cleaner main body, and reference numeral 2 denotes an insertion portion provided in the cleaner main body 1, to which a hose or the like communicating with a floor brush is connected. 2
Reference numeral a denotes a guide portion extending inside the cleaner main body 1 of the insertion portion 2, and has a hook hole 2b formed therein. Reference numeral 3 denotes a dust collecting chamber provided in the cleaner main body 1, which is constituted by a front wall 4, a rear wall 5 erected from the bottom of the cleaner main body 1, and a side wall 1 a of the cleaner main body 1. A recess 4 a is formed in the front wall 4 so as to protrude toward the insertion portion 2, and an opening 4 b is formed at a position of the recess 4 a corresponding to the insertion portion 2. The rear wall 5 is provided with a ventilation hole 5a.

Reference numeral 6 denotes a dust collecting body, which comprises a mouth frame 7 and a dust collecting bag 8 formed of a rigid body such as cardboard. Mouth frame 7
A hole 7a is formed substantially at the center. The mouth frame 7 and the dust collecting bag 8 are adhered to each other except for the attachment gap 6a, and a pair of U-shaped cross sections provided on both sides of the side wall 1a of the dust collecting chamber 3 with the supporting portions 7b of the mouth frame 7 are provided. And the dust collecting body 6 is held in the dust collecting chamber 3.

Reference numeral 10 denotes an expandable and contractible tight packing fitted into the opening 4b. As shown in FIGS. 2 and 3, an annular portion 10a having a U-shaped cross section having a concave portion fitted to the peripheral portion of the opening 4b. And an annular contact portion 10b contacting the mouth frame 7
And an expandable and contractable bellows portion 10c connecting the annular portion 10a and the contact portion 10b are integrally formed by an elastic member or the like. The abutting portion 10b has an annular seal rib 10e that abuts on the thin film 10d and a tip of a hose described later to restrict insertion of the hose. Further, the bellows portion 10c is urged in a contracting direction.

Reference numeral 11 denotes a hose inserted into the insertion portion 2;
a is a cylinder provided at the tip of the hose 11, 12 is a cylinder 11a
And a release button 12b for releasing the retainer 12a from the hook hole 2b of the plug-in portion 2.
And a coil spring 13 for urging the hook body 12 in the outer peripheral direction of the cylindrical body 11a. And the cylinder 11a
Is inserted into the insertion portion 2, the tip of the cylindrical body 11a comes into contact with the seal rib 10e of the tight packing 10, and the thin film 10d of the tight packing 10 presses the opening frame 7. This allows
The tip of the cylindrical body 11a and the mouth frame 7 are hermetically sealed to prevent dust from leaking.

When replacing the dust collecting body 6 with a new dust collecting body 6, the release button 12b of the hook body 12 is pressed to release the retaining 12a from the hook hole 2b of the insertion section 2, and the hose 1
Pull out 1. Then, as shown in FIG. 4, the bellows portion 10 c of the tight packing 10 shrinks, the thin film 10 d separates from the mouth frame 7, and a gap 14 is formed between the thin film 10 d and the mouth frame 7.
Since the pressing of the mouth frame 7 from the tight packing 10 is released, the dust collector 6 can be easily pulled out along the mouth frame guide 9.

As described above, since the tight packing is made expandable and contractible, removing the hose prevents the dust collector from hitting the tight packing, preventing damage to the tight packing and tearing of the dust bag, and smooth collection. The dust body can be taken out.

[0018]

As described above, according to the present invention, the insertion portion is provided in the dust collection chamber in which the dust collector having the mouth frame is removably provided, and the hose is removably inserted. A tight packing integrally formed with a mating fitting portion and an expansion / contraction portion for urging the contact portion abutting on the mouth frame toward the fitting portion side, and when a hose is inserted into the insertion portion, a tight When the contact part of the packing comes into contact with the mouth frame and the hose is pulled out, the contact part separates from the mouth frame due to the urging of the expansion and contraction part, which prevents damage to the tight packing and the dust collector, and also makes it smooth. This has the effect that the dust collector can be taken out.

Further, since the tight packing is integrally formed of an elastic member and includes an annular rib for restricting insertion of the hose and a thin film abutting on the mouth frame, a seal between the insertion portion of the hose and the dust collector is provided. Has the effect of being able to perform reliably.

[0020]

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a main part of a vacuum cleaner according to Embodiment 1 of the present invention.

FIG. 2 is a perspective view of a tight packing of the vacuum cleaner according to Embodiment 1 of the present invention.

FIG. 3 is a cross-sectional view of the tight packing of the vacuum cleaner showing the first embodiment of the present invention.

FIG. 4 is a cross-sectional view of a main part showing a state where a hose is removed from the state of FIG. 1;

FIG. 5 is a partial cross-sectional view showing a conventional vacuum cleaner.

FIG. 6 is a cross-sectional view of a main part showing the vicinity of a tight packing of a conventional vacuum cleaner.

FIG. 7 is an explanatory diagram in a case where a dust collecting body is taken out from a dust collecting chamber of a conventional vacuum cleaner.

[Explanation of symbols]

1 Vacuum cleaner body, 2 insertion part, 3 dust collecting chamber, 6 dust collecting body, 7 port frame, 8 dust collecting bag, 10 tight packing, 1
0a annular part, 10b contact part, 10c bellows part, 10
d thin film, 10e sealing rib, 11 hose, 12
Hook body.

Claims (2)

[Claims] 1. A dust collecting chamber provided with a detachable dust collector having a mouth frame, an insertion portion provided in the dust collection chamber, into which a hose is detachably inserted, and fitted to the insertion portion. A tight packing integrally formed with a fitting portion to be engaged with the mouth frame and a contact portion contacting the mouth frame and a telescopic portion for urging the contact portion toward the fitting portion side, wherein the insertion portion has a hose. A vacuum cleaner characterized in that when the hose is pulled out, the contact portion of the tight packing comes into contact with the mouth frame, and when the hose is pulled out, the contact portion is separated from the mouth frame by the urging of the elastic portion. . 2. The tight packing is integrally formed of an elastic member or the like, and has a contact portion provided with an annular rib for restricting insertion of the hose and a thin film contacting the mouth frame. Vacuum cleaner as described.