JPH0232212Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a vacuum cleaner, and relates to a structure in which a removable dust collection filter is installed in the dust collection chamber of the vacuum cleaner body.

[Conventional technology]

Inside the dust collection chamber that communicates with the suction port of the vacuum cleaner body,
A vacuum cleaner to which a dust collection filter consisting of a mouth frame forming a dust collection port opposite to the suction port and a dust collection bag in which dust flowing from the dust collection port is stored can be detachably attached. For example,
A structure is adopted in which a locking body is provided in the dust collecting chamber, which engages with the edge of the mouth frame of the dust collecting filter through rotational movement and holds the mouth frame. With this structure, in order to remove the dust filter, rotate the locking body in a direction to release the engagement with the mouth frame, then grasp the mouth frame or the dust collection bag and pull it out from the dust collection chamber. It was becoming like that.

[Problem that the invention attempts to solve]

In the conventional structure described above, if the dust collection bag is clogged with dust when removing the filter, even if the locking body and the filter mouth frame are disengaged, the dust collection bag will not move along the dust collection chamber. It expands and the mouth frame of the filter comes into close contact with the surface where the suction port is opened, so it is time consuming to pull out the dust collection filter by picking the mouth frame.
On the other hand, there were problems such as the fact that it was extremely unhygienic to pick up and pull out the dust collection bag that had accumulated dust.

An object of the present invention is to provide a vacuum cleaner whose dust collection filter, which is detachably installed in a dust collection chamber, can be easily and hygienically removed.

[Means for solving problems]

The vacuum cleaner of the present invention has an electric blower disposed inside, a suction port formed on the outer surface, a dust collection chamber communicating with the electric blower and the suction port formed inside, and a lid body facing the dust collection chamber. The vacuum cleaner body has an opening that can be opened and closed, a mouth frame, and a dust collecting bag in which dust is collected. A filter that is detachably attached; and an engagement member that is rotatably provided in the dust collection chamber and that, when the filter is attached, engages with the edge of the mouth frame through rotational movement to hold the mouth frame. A locking body having a claw portion and the engaging claw portion biased in a direction to hold the mouth frame of the filter, and the locking body does not come into contact with the mouth frame when the filter is attached to the locking body. The filter is characterized by being provided with an inclined rib that pushes out the mouth frame toward the center of the dust collection chamber as the locking body is forcibly rotated in the direction of disengaging the filter when the filter is removed. be.

[Effect]

In the vacuum cleaner of the present invention, when installing the filter in the dust collection chamber of the vacuum cleaner body, insert the filter through the opening formed facing the dust collection chamber,
For example, when the mouth frame of this filter is opposed to the suction port and pressed against the locking body, the locking body is engaged with the mouth frame through rotational movement, and the engaging claw formed on the locking body is engaged with the mouth frame through rotational movement. The opening frame is held by the opening frame, and when the filter is removed from the dust collection chamber, the locking body is forcibly rotated in a direction to release the engagement with the opening frame against the biasing force. The opening frame of the filter is pushed toward the center of the dust collection chamber by the inclined rib formed on the locking body, and the opening frame is separated from the surface where the suction port is opened.

〔Example〕

The configuration of an embodiment of the present invention will be explained with reference to FIGS. 1 to 5.

Reference numeral 1 denotes a vacuum cleaner body, which is composed of a lower body case 2 having a substantially box-like shape with an open top, and an upper body case 3 attached to cover the upper opening at the rear of the lower body case 2. .

The inside of the lower main body case 2 is partitioned into front and back by a partition wall 4 at a position corresponding to the front edge of the upper main body case 3, and an electric blower 5 is disposed on the rear side of the partition wall 4. Further, in front of the partition wall 4 is a dust collection chamber 6, and a removable lid 8 is attached to the upper opening 7 of the dust collection chamber 6.

The lid body 8 is rotatably attached to the upper main body case 3 at its rear side, and is rotatably attached to the engagement step 9 formed at its front edge and the front upper part of the vacuum cleaner body 1. By engaging with the upper end of the clamp 10 provided at
The lower edge of the circumferential wall of the lid body 8 is brought into contact with a packing 12 that is fitted into the opening edge 11 formed in a large manner, so that the opening 7 is airtightly closed.

Further, a plurality of communication holes 13 are formed in the partition wall 4 of the lower main body case 2, and a secondary filter 14 is installed from the dust collection chamber 6 side opposite to the communication holes 13.
The engagement protrusion 15 engages with an engagement hole formed in the partition wall 4 to allow the partition wall 4 to be detachably attached.

Further, a circular suction port 16 is formed on the front surface of the vacuum cleaner body 1, and a connecting pipe 17 is provided rearward from the suction port 16.
A rectangular cylindrical rib 18 is formed surrounding 7. A suction port packing 19 is attached to the rear end of the connecting pipe 17 and the rib 18.

On the other hand, a ventilation hole 21 facing the suction port 16 is formed in the front wall 20 of the dust collection chamber 6, and a ventilation hole packing 22 is attached to the peripheral edge of the ventilation hole 21. The front surface and the rear surface of the suction port packing 19 are in contact with each other.

Further, a mouth frame holding part 24 having a step part 23 is formed at the front bottom part of the dust collection chamber 6, and the rear surface of the step part 23 has an inclined surface 23a which is inclined downwardly toward the front.
is formed.

Further, a locking body 25 is rotatably attached to the rear upper part of the front wall 20 of the dust collection chamber 6, and this locking body 25 is biased downward by a spring (not shown). .

This locking body 25 includes a substantially plate-shaped horizontal piece 26;
A handle portion 7 projects upward at a predetermined angle from the front edge of the horizontal piece 26, which serves as a rotation axis, and a pair of left and right sides bent vertically downward from the rear green of the horizontal piece 26. and a slanted rib 30 provided to be inclined forward from the lower edge of a pair of left and right vertical pieces 29 that vertically protrude downward from an intermediate position on the lower surface of the horizontal piece 26. It has The rear surface of the engagement claw 28 is formed into an inclined surface 28a that is inclined downwardly toward the front.

Reference numeral 31 denotes a dust collection filter, which consists of a dust collection bag 32 made of breathable paper and a rectangular mouth frame 33 provided at the opening of this dust collection bag 32. , a dust collection hole (not shown) facing the suction port 16 is formed.

Next, the operation of this embodiment will be explained.

When attaching the filter 31 to the dust collection chamber 6, first open the lid 8 and open the top opening 7 of the dust collection chamber 6.
to open. Next, insert the filter 31 through this opening 7, and insert the lower edge of the mouth frame 33 into the mouth frame holding part 2.
It is placed on the stepped portion 23 of No. 4. When the mouth frame 33 is rotated forward using the lower edge of the mouth frame 33 as the rotation axis, the upper edge of the mouth frame 33 is pressed against the inclined surface 28a of the engaging claw portion 28 of the locking body 25. being the 4th
As shown in the figure, the locking body 25 rotates upward, and when the mouth frame 33 is further rotated forward, the lower edge of the engaging claw portion 28 rides over the upper edge of the mouth frame 33, and as shown in FIG. Then, the engaging claw portion 28 is engaged with the upper edge of the mouth frame 33, and the mouth frame 33 is held by the locking body 25, and the attachment of the filter 31 is completed. In addition, in this state, the rear surface of the ventilation hole packing 22 is attached to the opening frame 3.
It is airtightly abutted on the periphery of the dust collection port No. 3.

At this time, when the locking body 25 is rotated to the state shown in FIG. By appropriately setting the inclination angle, this inclination rib 30 can be easily attached to the mouth frame 3 during installation work.
3, this inclined rib 30
does not become an obstacle when installing the filter 31.

When removing the filter 31, use the handle 27 of the locking body 25 to forcibly rotate the locking body 25 upward, and the inclined rib 30 will be removed accordingly.
The lower end of the opening frame 33 presses the opening frame 33, and the opening frame 33 is pushed out toward the center of the dust collection chamber 6, as shown in FIG. Mouth frame 33 pushed out in this way
The filter 31 can be easily pulled out by picking the dust bag 32, and there is no need to pick the dust collection bag 32 when pulling it out, so that the work of removing the filter 31 can be done hygienically.

Next, the relationship between the lengths of each part of the locking body 25 and the conditions that the inclination angle of the inclination rib 30 should satisfy will be explained.

First, the distance l ₂ between the front surface of the engaging claw portion 28 and the rear surface of the vertical piece portion 29 is made slightly larger than the material thickness of the mouth frame 33 .

Also, when installing the mouth frame 33, this mouth frame 33
As shown in FIG. 4, the inclined rib 30 comes closest when the lower end of the engaging claw portion 28 comes into contact with the rear side of the upper edge of the mouth frame 33, and the length of the vertical piece portion 29
_l1 has a length such that the lower end does not touch the front surface of the mouth frame 33 in this state. Note that this vertical piece 29 does not necessarily need to be provided, and the inclined rib 30 may be directly projected from the lower surface of the horizontal piece 26, as shown in FIG.

Further, in the state shown in FIG. 4, when the angle between the horizontal piece 26 and the water side is θ ₁ , the angle θ ₀ between the vertical piece 29 and the inclined rib 30 has a relationship such that θ ₀ ≧ θ ₁ . It is a good idea to fill it. However, even if θ ₀ <θ ₁ , the length of the inclined rib 30 only needs to be short enough that its lower end does not touch the mouth frame 33. In short, when installing the filter 31, The rib 30 does not become an obstacle, and when removing the filter 31,
It is only necessary that the inclined ribs 30 push out the mouth frame 33 efficiently.

Further, as shown in FIG. 7, an engaging rib 34 is provided that protrudes rearward from the lower end of the inclined rib 30, and an engaging rib 34 is provided at a corresponding position on the mouth frame 33. A matching hole 35 may be formed.

By doing this, when removing the filter 31, the engagement rib 34 is engaged with the engagement hole 35, and the mouth frame 33 is pushed up toward the opening 7, so that the filter 31 can be removed more easily. Easier to take out. Furthermore, in this structure, when the filter 31 is attached, the engagement rib 34 is inserted into the engagement hole 35 in a state corresponding to FIG. It will not become an obstacle.

[Effects of the invention] According to the invention, the filter is provided in the dust collection chamber of the vacuum cleaner body, and when the filter is installed, it is engaged with the edge of the mouth frame of the filter through rotational movement, and the mouth frame is engaged with the edge of the mouth frame of the filter. The locking body that holds the filter is provided with an inclined rib that pushes the front mouth frame towards the center of the dust collection chamber as the locking body rotates when the filter is removed, so the pushed out mouth frame can be removed. In addition, the filter can be removed easily without the need to pick the dust collecting bag of the filter where dust has accumulated, and the filter can be removed hygienically. Since the slanted ribs are provided so as not to come into contact with the filter, the slanted ribs do not become an obstacle when the filter is installed.

[Brief explanation of the drawing]

Fig. 1 is a vertical side view of a vacuum cleaner showing an embodiment of the present invention, Fig. 2 is a longitudinal side view of the front part of the vacuum cleaner body, Fig. 3 is a side view of the locking body of the above, and Fig. 4 is a side view of the vacuum cleaner. The figure is a longitudinal side view of the front part of the dust collection chamber showing the condition when the above filter is installed, Figure 5 is a longitudinal side view of the front part of the dust collection chamber showing the condition when the above filter is removed, and Figure 6 is the main body. FIG. 7 is a side view of the locking body showing another embodiment of the invention, and FIG. 7 is a longitudinal sectional side view of the front part of the dust collection chamber showing still another embodiment of the invention. 1...Vacuum cleaner body, 5...Electric blower, 6...
Dust collection chamber, 7... Opening, 8... Lid, 16... Suction port, 25... Locking body, 28... Engaging claw portion, 3
0... Inclined rib, 31... Filter, 32...
Dust collection bag, 33... Mouth frame, 34... Engagement rib, 35
...Engagement hole.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) An electric blower is disposed inside, a suction port is formed on the outer surface, and a dust collection chamber is formed inside that communicates with the electric blower and the suction port. The vacuum cleaner body has an opening that can be opened and closed by a facing lid, a mouth frame, and a dust collection bag in which dust is stored, and the mouth frame is opposed to the suction port and is placed inside the dust collection chamber. A filter is detachably attached to the opening, and the filter is rotatably provided in the dust collection chamber, and when the filter is attached, it is engaged with the edge of the mouth frame through rotational movement to hold the mouth frame. and a locking body which is biased in a direction to hold the mouth frame of the filter, and when the filter is attached to the locking body, the locking body is biased in a direction to hold the mouth frame of the filter. It is characterized by providing an inclined rib that does not make contact with the filter and pushes the mouth frame toward the center of the dust collection chamber when the locking body is forcibly rotated in a direction to release the engagement when the filter is removed. vacuum cleaner. (2) An engaging rib protruding toward the center of the dust collection chamber is provided at the tip of the inclined rib of the locking body, and
The opening is configured such that as the locking body is forcibly rotated in the direction of releasing the engagement, the engaging rib is engaged and the opening frame of the filter is pushed out in the direction of the opening of the dust collection chamber. The vacuum cleaner according to claim 1, which is a utility model, characterized in that an engagement hole is formed in the frame.