JP2000005117A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of part items for the fitting structure of a dust collecting bag removably fitted in a dust chamber. SOLUTION: A dust chamber 4 is provided with a lock rib 12 at the upper section and a reception section 11 made of an elastic body at the lower section, the lower end section of the opening frame 8 of a dust collecting bag 7 is inserted into the groove section 13 of the reception section 11 and pressed downward to deform the reception section 11, thus the upper end section of the opening frame 8 is locked to the lock rib 12, and the upper and lower sections of the opening frame 8 are pinched between the lock rib 12 and the reception section 11. The opening frame 8 can be kept in the airtight contact state with a suction port packing 13. It is not required to rotate and excite the lock rib 12 in the fixed direction so that the opening frame 8 is not removed at the time of fitting unlike in the past, and a spring component for excitation can be reduced.

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 structure in which a dust bag is detachably mounted.

[0002]

2. Description of the Related Art A conventional vacuum cleaner will be described with reference to FIGS. In FIG. 3, reference numeral 21 denotes a cleaner main body having a built-in electric blower 22, and a dust collection chamber 24 is formed in front of the cleaner main body 21. In addition, a suction port 23 for connecting a hose (not shown) is provided on a front surface of the cleaner body.
The inside of the dust collection chamber 24 and the intake port 23 are configured to communicate with each other by an intake port packing 25. The upper opening of the dust collection chamber 24 is covered with a dust collection chamber lid 29 that can be opened and closed. When the dust collection bag 26 is mounted in the dust collection chamber 24 or when the dust accumulated in the dust collection bag 26 is discarded. Then, open the dust collection chamber lid 29 to open the dust collection chamber 24.
The upper opening is opened.

Next, the mounting structure of the dust collecting bag 26 will be described with reference to FIG. The dust bag 26 mounted in the dust collecting chamber 24 has a mouth frame 27, and the mouth frame 27 is provided with a mouth frame hole 28 for introducing dust into the dust bag. The lower end of the mouth frame 27 of the dust collection bag 26 is inserted into the groove 30 formed at the lower part of the dust collection chamber 24, and the upper end of the mouth frame 27 is held by the bag support 32 provided at the upper part of the dust collection chamber 24. Configuration. The bag supporting portion 32 is rotatably supported by a rotating shaft 32a.
The upper portion of the bag support portion 32 is urged by a spring 31 in a direction to press the upper end portion of the mouth frame 27. Reference numeral 33 denotes a fastener for closing the rear opening 34 of the dust bag 26.

[0004] With the above configuration, the power supply core of the cleaner body 21 is provided.
When the electric fan (not shown) is connected to a power supply and the electric blower 22 is operated, dust is sucked together with air from the intake port 23 by the suction force of the electric blower 22, and the sucked dust is taken into the intake port 23 and the intake port. The air collects in the dust bag 26 through the packing 25 and the port hole 28, and the air passes through the dust bag 26 and is discharged from the rear of the cleaner main body 21. If the dust collecting bag 26 is used for a long period of time, the dust collecting bag 26 is gradually filled with dust, and the suction force gradually decreases.

When the dust bag 26 is replaced, the bag support 32
Is pivoted outward to release the locked state with the upper end of the mouth frame 27, the mouth frame 27 is removed from the bag support portion 32, and the dust collection chamber 24 is removed.
The mouth frame 27 is pivoted about the groove 30 formed in the lower part of the opening to release the mouth frame hole 28 from the suction port packing 25. The dust collected in the dust bag 26 is removed by removing the fastener 33 that closes the rear opening 34 of the dust bag 26 and discarding the dust through the opening 34.

[0006]

In the above-described conventional vacuum cleaner, the mouth frame 27 of the dust bag 26 is connected to the dust collecting chamber 2.
In order to mount it in the inside 4, the bag support portion 32 and the spring 31 are required, and there is a problem that the number of parts increases.

An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide a vacuum cleaner capable of mounting a dust collecting bag with a smaller number of parts.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, in order to mount a dust collection bag in a dust collection chamber, a mouth frame of the dust collection bag is engaged with a receiving portion formed of an elastic body. It is designed to be sandwiched between ribs. Thus, when the dust bag is attached, the receiving portion of the elastic body can be deformed to attach the opening frame between the receiving portion and the locking rib, and when removing the opening frame, In addition, if the force is applied to the mouth frame so that the receiving rib of the elastic body is deformed and the locked state by the locking rib is released, the mouth frame can be easily removed.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION
An electric blower disposed in the main body of the cleaner, a dust collection chamber for storing dust sucked from an intake port by suction of the electric blower, and an elastic intake port packing for communicating the intake port with the dust collection chamber. A dust-collecting bag disposed in the dust-collecting chamber, the dust-collecting bag has a mouth frame with which the suction port packing comes into contact, and a receiving part and a locking rib each having the mouth frame formed of an elastic body. It is configured to be sandwiched by.

With this configuration, when the dust bag is replaced, when the mouth frame is pressed against the elasticity of the receiving portion, the mouth frame is released from the locking rib, and the mouth frame is detached from the intake gasket. Dust collected in the dust bag can be discarded, and when the dust bag is attached, pressing the mouth frame against the elasticity of the receiving part locks the mouth frame with the locking rib, Airtightly contacts with the intake packing.

The invention according to claim 2 of the present invention is the invention according to claim 1.
The arrangement location of the locking rib and the receiving portion is clear, and the locking rib is provided at the upper portion of the dust collecting chamber, and the receiving portion is provided at the lower portion of the dust collecting chamber.

The third aspect of the present invention is the first aspect of the present invention.
Another object of the present invention is to provide a structure capable of further reducing the number of parts by integrating the receiving portion of the elastic body described in 2 with the intake port packing.

The invention according to claim 4 of the present invention is the invention according to claim 1.
Or, an opening for communicating the dust collecting chamber and the outside air is provided at a lower portion of the receiving portion of the elastic body according to 2, and the opening presses the receiving portion to close the opening when the opening of the dust bag is mounted. If the dust collection bag is not installed in the dust collection chamber, the opening does not press the receiving portion, so the opening hole is not closed, and even if the electric blower is operated in this state, air containing dust is blown from the intake port packing side. The air outside the dust collection chamber is sucked directly from the opening hole without suction, thereby eliminating the problem when the dust collection bag is not mounted.

[0014]

(Embodiment 1) An embodiment of the present invention will be described below with reference to FIGS. In FIG. 1, 1 is an electric blower 2
The dust collecting chamber 4 in which the suction force of the electric blower 2 acts is formed in front of the cleaner main body 1.
On the front surface of the cleaner body 1, an air inlet 3 for connecting a hose (not shown) to which a floor nozzle is connected, for example, is provided. The intake port 3 and the inside of the dust collection chamber 4 communicate with each other by an intake port packing 5 attached behind the intake port 3. The upper opening of the dust collection chamber 4 is covered with a dust collection chamber lid 10 that can be opened and closed. When the dust collection bag 7 is mounted in the dust collection chamber 4 or when the dust collected in the dust collection bag 7 is discarded. Then, the dust collection chamber lid 10 is opened so that the upper opening of the dust collection chamber 4 is opened.

Next, the mounting structure of the dust bag 7, which is a feature of the present invention, will be described with reference to FIG. In order to mount the dust collecting bag 7 in the dust collecting chamber 4, an opening frame 8 is provided in the dust collecting bag 7, and an opening for introducing dust from the air inlet 3 into the dust collecting bag 7 is provided in the opening frame 8. A frame hole 9 is provided. A receiving portion 11 having a groove 13 for supporting a lower end portion of the mouth frame 8 is provided at a lower portion of the dust collecting chamber 4, and the receiving portion 11 is formed of an elastic body. Use easy-to-use rubber. A locking rib 12 for locking the upper end of the mouth frame 8 is provided at the upper part of the dust collecting chamber 4, and the upper and lower sides of the mouth frame 8 are sandwiched between the locking rib 12 and the receiving portion 11. The locking rib 12 and the receiving part 1
1, the rear opening 6 of the intake port packing 5 and the aperture frame 9 face each other, and the port frame 8 comes into contact with the intake port packing and is kept airtight. . Reference numeral 14 denotes a fastener for closing the rear dust collecting bag opening 15 of the dust collecting bag 7.

The operation of the above configuration is as follows.
That is, when a power supply cord (not shown) of the cleaner body 1 is connected to a power supply and the electric blower 2 is operated, dust is sucked together with air from the suction port 3, and the dust is sucked into the suction port 3 and the suction port packing. 5. The dust passes through the opening 9 and is collected in the dust bag 7. The dust collection bag 7 separates dust and air, filters dust sucked in with the air, and discharges the dust-removed air from the rear of the cleaner body 1.

If the dust collecting bag 7 has been used for a long period of time, the dust collecting bag 7 gradually becomes full of dust, and eventually the suction force decreases. Dust bag 7
When replacing the frame, the lower end portion of the mouth frame 8 is pressed against the elasticity of the receiving portion 11 to remove the upper end portion of the mouth frame 8 from the locking rib 12, and the mouth portion 8 is centered on the groove portion 14 of the receiving portion 11. The frame 8 is rotated so that the port frame hole 9 is removed from the intake port packing 5. Dust collected in the dust collecting bag 7 is used as a fastener for closing the dust collecting bag 7.
14 is removed and discarded from the dust bag opening 15. When the dust collecting bag 7 is mounted in the dust collecting chamber 4, the lower end of the mouth frame 8 is inserted into the groove 13 of the receiving portion 11 and pressed against the elasticity so that the upper end of the mouth frame 8 is pressed. The locking rib 12 is locked. By this operation, the upper and lower sides of the mouth frame 8 are sandwiched between the receiving portion 11 and the locking ribs 12, and the mouth frame 8 and the suction port packing 5 are held.
Are brought into contact with each other to ensure an airtight state.

(Embodiment 2) Next, a second embodiment of the present invention will be described. In the present embodiment, as shown in FIG. 2, the receiving portion 11 of the elastic body is formed integrally with the intake port packing 5. That is, the receiving portion 11 is formed by extending the rear side of the intake port packing 5, that is, the lower portion on the dust collection chamber 4 side.
In general, since the intake port packing 5 is formed of rubber, the receiving section 11 is also formed of rubber. In this case, the receiving section 11 can also be constituted by one piece of the intake port packing 5,
This is useful in reducing the number of parts.

(Embodiment 3) Next, a third embodiment of the present invention will be described. In this embodiment, as shown in FIG. 2, an opening 16 for communicating the dust collecting chamber 4 with the outside air is provided at a lower portion of the receiving portion 11 of the elastic body. Frame 8
Presses the receiving portion 11 to close the opening 16. In this embodiment, when the mouth frame is not mounted, the receiving portion 11 does not receive the pressing force of the mouth frame 8, so that the lid portion 11 a provided in a part of the receiving portion 11 opens the opening 16. And the inside and outside of the dust collecting chamber 4 communicate with each other through the opening 16.

The operation of the above configuration is as follows.
That is, when replacing the dust bag 7, the lower end portion of the mouth frame 8 is pressed against the elasticity of the receiving portion 11, the upper end portion of the mouth frame 8 is removed from the locking rib 12, and When the mouth frame 8 is rotated around the groove 13, the mouth frame hole 9 is detached from the suction port packing 5, and the dust collected in the dust bag 7 is removed.
Remove the fastener 14 that closes the dust bag opening 15
Discard more.

When the dust collecting bag 7 is mounted in the dust collecting chamber 4, the lower end of the mouth frame 8 is inserted into the groove 13 of the receiving portion 11 and pressed against the elasticity. Is locked to the locking rib 12. Dust collection bag 7 in master room 4
When the electric blower 22 is operated while forgetting to attach, the opening 16 is not closed because the lower end of the mouth frame 8 does not press the receiving portion 11 downward, and the suction of the electric blower 2 is performed by the opening 1
6, dust does not enter the dust collection chamber from the intake port 3 through the intake port packing 5.

As described above, when the receiving portion 11 is not pressed by the mouth frame 8, the receiving portion 11 is displaced in the direction in which the opening 16 is opened. Since the suction force of the electric blower hardly acts and air flows from the opening 16, air containing dust flows into the dust collection chamber 4 from the intake port 3 side without the dust collection bag 7 attached. It is possible to prevent leakage.

[0023]

According to the first aspect of the present invention,
The number of parts for mounting the dust collection bag can be reduced, and assemblability can be improved.

According to the second aspect of the present invention, since the receiving portion of the elastic body is formed integrally with the intake port packing, the number of parts can be further reduced.

According to the fourth aspect of the present invention, even if the electric blower is operated without mounting the dust collecting bag in the dust collecting chamber, air containing dust flows into the dust collecting chamber. This can provide a convenient vacuum cleaner.

[Brief description of the drawings]

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

FIG. 2 is a sectional view of a main part of the vacuum cleaner.

FIG. 3 is an overall sectional view of a vacuum cleaner showing a conventional example.

FIG. 4 is a sectional view of a main part of the vacuum cleaner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Electric blower 3 Suction port 4 Dust collection chamber 5 Suction port packing 7 Dust collection bag 8 Port frame 9 Port frame hole 11 Receiving part 13 Locking rib 16 Opening hole

Claims (4)

[Claims] 1. An electric blower disposed in a cleaner body, a dust collection chamber for storing dust sucked from an intake port by suction of the electric blower, and an elastic body for communicating the intake port with the dust collection chamber. And a dust-collecting bag disposed in the dust-collecting chamber, the dust-collecting bag having a port frame in contact with the air-inlet port packing, and a receiving portion formed of an elastic body with the port frame. Vacuum cleaner that is configured to be sandwiched between the lock ribs. 2. The vacuum cleaner according to claim 1, wherein a locking rib is provided in an upper part of the dust collecting chamber, and a receiving part is provided in a lower part of the dust collecting chamber. 3. The vacuum cleaner according to claim 1, wherein the receiving portion of the elastic body is formed integrally with the intake gasket. 4. An opening for communication between the dust collecting chamber and the outside air is provided at a lower portion of the receiving portion of the elastic body, and when the opening of the dust collecting bag is mounted, the opening presses the receiving portion to close the opening. 3. The vacuum cleaner according to 1 or 2.