JPS6316374Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a vacuum cleaner in which a dust collection box is removably inserted into a dust collection box storage chamber formed at the front of the vacuum cleaner body. It is.

(B) Prior Art Conventionally, in a vacuum cleaner, a dust collection box storage chamber with an open top is provided in the front part of the vacuum cleaner body, and the dust collection box is stored in the storage chamber and closed with a lid that can be opened and closed. There is a vacuum cleaner that maintains airtightness between the lid and the dust collection box using a seal gasket installed along the opening edge of the dust collection box, but in this vacuum cleaner, the dust collection box storage chamber and the dust collection Airtightness between the container and the box was not always sufficient.

(C) Purpose of the invention The present invention is a vacuum cleaner in which a dust collection box storage chamber with an opening on the top is provided at the front of the vacuum cleaner body, and the dust collection box is stored in the storage chamber and closed with a lid body. An object of the present invention is to provide a vacuum cleaner with good suction performance by maintaining good airtightness between a dust collection box, a lid body, and a dust collection box storage chamber.

(d) Structure of the invention Below, the structure of the vacuum cleaner of the invention will be explained along with its operation with reference to the drawings.

The configuration of the vacuum cleaner of the present invention is as follows:
and a main body upper case 8 located at the rear of the main body lower case 7, the front part of the vacuum cleaner main body 1 having a built-in electric blower 2 in the rear part has a dust collection opening in the upper surface that is not blocked by the main main body upper case 8. In the case where a box storage chamber 4 is formed, a dust collection box 14 is arranged in the storage chamber 4 so as to be freely inserted and removed from the upper surface opening, and the upper surface opening is closed with a lid body 31, the opening of the main body lower case 7 is A bumper member 11 is provided around the edge, and the bumper member 11 is sandwiched and mounted between the upper case 8 of the main body, and a seal gasket 23 with the lid body 31 is attached to the opening edge of the dust collection box 14. Put it on,
The bumper member 11 is attached to the seal packing 23.
It is characterized by being integrally molded with a resilient fin piece 24 that comes into contact with the fin.

Further, the structure is characterized in that a groove portion 12 is formed on the inner surface side of the bumper member 11, and a handle portion 26 is integrally formed on the seal gasket 23.

With this configuration, when the dust collection box 14 is stored in the dust collection box storage chamber 4 and the lid body 31 is closed, the seal gasket 23 of the dust collection box 14 comes into contact with the inner surface of the lid body 31, and the dust collection box 14 is closed. The fin piece 25 of the seal packing 23 comes into contact with the bumper member 11 attached to the upper opening of the dust collection box storage chamber 4, thereby keeping the dust collection box 14 and the dust collection box storage chamber airtight. It also maintains airtightness with 4. Further, the bumper member 11 is provided around the cleaner body 1 and serves as a buffer when the cleaner collides with a wall or the like.

(E) Embodiment Hereinafter, the structure of the vacuum cleaner of the present invention will be explained with reference to FIGS. 1 to 6.

Reference numeral 1 denotes a vacuum cleaner body which has an electric blower 2 built in at the rear and a dust collection box storage chamber 4 with an open top surface and a hose connection port 3 at the front, and a pair of rear wheels 5 on both sides of the rear of the body. , 5, and a swivel front wheel 6 is attached to the front bottom surface. The vacuum cleaner main body 1 is composed of a bottom-shaped main body lower case 7 and a main main body upper case 8 located at the rear of the lower case. and is held between the two cases 7 and 8. Reference numeral 11 denotes a bumper member having a substantially 7-shaped cross section attached along the opening edge of the lower case 7, which has one groove 12 formed on its inner surface and one stripe 13 on its outer peripheral side. The lower part of the stripe is inclined slightly inward to improve the close contact with the opening edge of the lower case 7 of the main body. A part of the bumper member 11 is held between the lower body case 7 and the upper body case 8 to keep both cases 7 and 8 airtight, and the remaining part is a dust collection box that is not blocked by the upper body case 8. It is located at the upper opening edge of the storage chamber 4.

Reference numeral 14 denotes a dust collection box that is detachably installed in the dust collection box storage chamber 4, and the front wall 15 of the box is provided with the hose connection port 3.
An intake port 17 with an intake port gasket 16 attached thereto is formed opposite to the intake port, and a mesh-shaped primary filter 19 is integrally formed on the rear wall 18 facing the intake port. A secondary filter 21 made of filter paper and equipped with a slidable dust removal means 20 is removably attached via a filter packing 22.

A dust box seal packing 23 is attached along the edge of the upper opening of the dust box 14. The packing has a fin 24 which abuts against the bumper member 11 to maintain airtightness between the dust box storage chamber 4 and the dust box 14.
A fin piece 25 that abuts against the inner surface of the lid (described later) to keep the dust collection box 14 airtight, and a handle portion 26 for removing the dust collection box 14 are integrally formed.
A disposable paper bag filter is provided in the dust box 14, and the backing paper 28 of the filter is removably attached in close contact with the intake port packing 16 of the intake port 17 by a rib-shaped lower protrusion 29 provided near the intake port 17 and an upper clamp 30 biased by a spring.

Reference numeral 31 denotes a lid body that freely opens and closes the upper openings of the dust collection box storage chamber 4 and the dust collection box 14, and the lid body is composed of a double wall of an outer plate 32 and a transparent or translucent inner plate 33. The interior space is a spare storage chamber 35 for the paper bag filter 27, which can be opened and closed from the rear with a lid piece 34.
is formed. At the rear end of the outer plate 32 of the lid body 31, there are two protrusions 3 that engage with a pair of engagement recesses 37, 37 provided in the front end step 36 of the main body upper case 7.
8 and 38, and a clamp means 40 that engages and disengages from the clamp holding protrusion 39 of the lower case 7 is provided at the front portion. In front of the clamping means 40, a carrying handle 42 is combined with a main body side handle portion 41 formed to protrude from the main body lower case 7.
A lid-side handle portion 43 constituting the lid body-side handle portion 43 is provided integrally with the lid body 31, and a pair of slidable left and right portions for urging the lid body 31 upward is provided between the body-side handle portion 41 and the lid-side handle portion 43. Lid body opening/closing assist mechanisms 44, 44 are provided.

In the above configuration, if the dust collection box 14 is stored in the dust collection box storage chamber 4 and the lid body 31 is closed, the dust collection box 1
The bumper member 11 has the seal gasket 23 of No. 4 in contact with the inner surface of the lid body 31 to maintain airtightness with the dust collection box 14, and the fin piece 24 of the seal gasket 23 is attached to the upper opening of the dust collection box storage chamber 4. The airtightness between the dust collection box 14 and the dust collection box storage chamber 4 is also maintained by contacting the dust collection box 14, and therefore the airtightness between the dust collection box 14, the lid body 31, and the dust collection box storage chamber 4 is maintained, and the suction of the vacuum cleaner is maintained. Improve performance. Further, the bumper member 11 is provided around the cleaner body 1 and serves as a buffer when the cleaner collides with a wall or the like. Furthermore, since the bumper member 11 has grooves 12 formed on its inner surface, the attachment condition with the dust collection box storage chamber 4 is improved, and the airtightness with the dust collection box 14 is further improved.

When discarding dust after cleaning, pressing the clamp means 40 releases the engagement with the clamp holding protrusion 39 of the lower case 7, and the lid 31 is pushed upward by the lid opening/closing assist mechanism 44. It will be done. As a result, a gap is created between the main body side handle part 41 and the lid side handle part 43, so insert your finger into the lid side handle part 43 and remove the lid 31 from the cleaner body 1. After that, take out the dust collection box 14 from the dust collection box storage chamber 4 of the vacuum cleaner body 1 by holding the handle 26, operate the upper clamp 30, and throw the paper bag filter 27 together with the trash can, and you can dispose of the dust without getting your hands dirty. I can do it.

When the garbage disposal is completed, the paper bag filter 27 is set in the dust collection box 14 and stored in the dust collection box storage chamber 4 of the vacuum cleaner body 1, and then the protrusions 38, 38 of the lid body 31 are removed.
When inserted into the engaging recesses 37, 37 of the main body upper case 8 and pressing the lid side handle part 43, the clamping means 40 is moved to the clamp engaging protrusion 39 of the main body lower case 7.
This completes the installation of the lid 31 and makes cleaning possible again.

Of course, even if the paper bag filter 27 breaks, the dust collection box 14 is equipped with filter devices including the primary filter 19 and the secondary filter 21, so it can be used without the paper bag filter 27.

(f) Effects of the invention The vacuum cleaner according to the invention is constructed as described above, and by storing the dust collection box in the dust collection box storage chamber and closing the lid, the sealing pad of the dust collection box closes the lid. The fin piece of the seal gasket contacts the inner surface of the body to maintain airtightness with the dust collection box, and also maintains airtightness with the dust collection box storage chamber by contacting the bumper member attached to the upper opening of the dust collection box storage chamber. Therefore, the airtightness between the dust collection box, the lid body and the dust collection box storage chamber is maintained.
A vacuum cleaner with good suction performance without air leakage can be obtained.

[Brief explanation of drawings]

FIG. 1 is a central vertical sectional view of the vacuum cleaner according to the present invention, FIG. 2 is a perspective view with the lid removed, and FIG. 3 is a vertical sectional view of the main part of the lid opening/closing assist mechanism in FIG. 2. 4 is a sectional view of the main part corresponding to A-A in FIG. 1, FIG. 5 is an enlarged view of the main part of FIG. 4, and FIG. 6 is a sectional view of the bumper member. 1...Vacuum cleaner body, 2...Electric blower, 4...
Dust collection box storage chamber, 11... Bumper member, 14...
Dust collection box, 23...Seal packing for dust collection box, 24
...Fin piece.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A vacuum cleaner consisting of a lower body case and an upper body case located at the rear of the lower body case, with the front part of the vacuum cleaner body having a built-in electric blower in the rear part, the upper body case. A dust collection box storage chamber with an unobstructed top opening is formed, a dust collection box is disposed in the storage chamber so as to be freely inserted and removed from the top opening, and the top opening is closed with a lid body, wherein the main body lower case A bumper member is provided around the opening edge of the dust collection box, and the bumper member is sandwiched and attached to the upper case of the main body, a sealing gasket with the lid body is attached to the opening edge of the dust collection box, and the bumper member is attached to the opening edge of the dust collection box. A vacuum cleaner characterized in that the seal gasket is integrally molded with a resilient fin piece that comes into contact with the bumper member. 2. The vacuum cleaner according to claim 1, which is characterized in that a groove is formed on the inner surface of the bumper member. 3. The vacuum cleaner according to claim 1, wherein a handle is integrally formed on the seal gasket attached to the opening edge of the dust collection box.