JP2010057988A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that: fine dust stuck to a dust collecting portion and remaining after abandoning dust inside the dust collecting portion needs to be swept off with a separately prepared brush or cloth or the like or washed with water since it is difficult to remove it by just hitting the dust collecting portion and work is troublesome. <P>SOLUTION: A vacuum cleaner includes: a cleaner body having an electric blower for generating a cleaning airflow; a cyclone dust collecting device for separating the dust included in the cleaning airflow generated by the electric blower by utilizing centrifugal force and discharging the dust through an opening; a dust collecting box freely detachably provided on at least one of the body and the cyclone dust collecting device, for capturing and storing the dust discharged from the cyclone dust collecting device; and a closing member closing the opening of the cyclone dust collecting device when the dust collecting box is detached. In a state in which the dust collecting box is detached and the opening of the cyclone dust collecting device is closed by the closing member, the cleaner body is operated to suck the dust stuck to the dust collecting box. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a cyclonic vacuum cleaner that separates dust and the like from a cleaning airflow by centrifugal force.

  The conventional cyclone type vacuum cleaner has a cyclone dust collection cup that is a separate member from the main body of the vacuum cleaner, and the cleaning airflow is rotated in the cyclone dust collection cup, and the centrifugal force causes the dust to enter the cyclone dust collection cup. Store in.

  The cyclone dust collecting cup is detachably held by a holding portion on the cleaner body, and is fixed to the cleaner body by engaging the lower case with the upper case.

  In order to prevent the dust that has not been completely filtered by the cyclone dust collecting cup from flowing out to the electric blower 125, the discharge port is covered with a mesh net 135.

  By operating the electric vacuum cleaner having such a configuration, the dust sucked from the surface to be cleaned is stored in the cyclone dust collection cup by the centrifugal force of the cleaning airflow and the gravity, and cleaning is executed.

  The dust stored in the cyclone dust collection cup is discarded by disengaging the upper case from the lower case and removing the cyclone dust collection cup from the holding part. (For example, refer to Patent Document 1.)

JP 2002-17623 A

  However, even if the conventional cyclone vacuum cleaner removes the cyclone dust collecting cup and discards the dust stored inside, the fine dust remains attached to the cup, and the hair and cotton entangled with the mesh net Dust could not be removed by hitting the cup. Therefore, in order to remove this fine dust, it has to be swept off with a separately prepared brush or cloth or washed with water, which is cumbersome.

  The present invention has been made in view of the above problems, and when the dust stored in the dust collection portion of the vacuum cleaner is discarded, the fine dust remaining on the dust collection portion and the hair or cotton entangled with the filter portion An object of the present invention is to provide a vacuum cleaner that can easily and cleanly remove dust.

  The vacuum cleaner according to the present invention includes a vacuum cleaner body having an electric blower that generates a cleaning airflow, a cyclone dust collector that separates dust contained in the cleaning airflow generated by the electric blower, and the cyclone dust collector A vacuum cleaner in which a dust collection box for taking in and storing dust separated from the main body is detachably provided on the main body, and includes a dust removal brush storage section for detachably storing a dust removal brush outside the dust collection box. It is what.

  According to the present invention, since the dust removing brush storage section for detachably storing the dust removing brush is provided outside the dust collecting box, the dust removing brush can be used when dust is discarded, and the user does not get his hands dirty. The dust box can be cleaned.

The external view of the vacuum cleaner which concerns on Embodiment 1 of this invention. The external view of the dust suction tool attached to the vacuum cleaner which concerns on Embodiment 1 of this invention. The cylindrical axial direction sectional drawing of the cyclone dust collector which concerns on Embodiment 1 of this invention. Sectional drawing which shows the internal structure of the vacuum cleaner which concerns on Embodiment 1 of this invention. The external view which shows the state which removed the dust collection box from the vacuum cleaner which concerns on Embodiment 1 of this invention. Explanatory drawing of engagement effect | action with the dust collection box holding nail | claw and lock nail | claw of a dust collection box which concern on Embodiment 1 of this invention. The exploded perspective view of the dust collection box concerning Embodiment 1 of the present invention. The disassembled perspective view of the cyclone dust collector which concerns on Embodiment 1 of this invention. The disassembled perspective view of the cyclone dust collector which concerns on Embodiment 1 of this invention. The external view which shows the state which removed the dust collection box from the vacuum cleaner which concerns on Embodiment 2 of this invention. The disassembled perspective view of the dust collection box which concerns on Embodiment 3 of this invention.

Embodiment 1 of the Invention
FIG. 1 shows an external view of a vacuum cleaner 1 according to Embodiment 1 of the present invention, and FIG. 2 shows an external view of a dust suction tool 10 attached to the vacuum cleaner.

  As shown in FIG. 1, the electric vacuum cleaner 1 has a vacuum cleaner body 2 having a hose connection port 21 at a front portion and a moving wheel 22 at a side portion, and a cleaning airflow flowing through the hose connection port 21. A cyclone dust collecting device 3 that separates the contained dust using centrifugal force, and a main body 2 that takes in and stores the dust separated by the cyclone dust collecting device 3 and at least one of the cyclone dust collecting device 3 are detachable. The dust collection box 4 is provided. Moreover, the cleaner body 2 has a pop-up lever 6 on its outer surface that is used when the dust collection box 4 attached to the upper part of the cleaner body 2 is removed from the body.

  A dust suction tool 10 as shown in FIG. 2 is attached to the hose connection port 21. The dust suction tool 10 includes a hose 11 having a bellows connected at one end to a hose connection port 21, a handle portion 12 attached to the other end of the hose 11, pipe materials 13 and 14 connected to the handle portion 12, and a pipe material 14. The end is connected, and is constituted by a floor brush 15 for sucking dust from the surface to be cleaned.

FIG. 3 shows a cross-sectional view of the cyclone dust collector 3 in the cylindrical axis direction.
As shown in FIG. 3, an airflow inlet 345 for introducing a cleaning airflow including dust from the airflow introduction path 23 of the cleaner body 2 into the cyclone chamber body 32 is provided at the lower circumferential portion of the cyclone chamber body 32. ing. Further, an exhaust air passage 346 that communicates with the air outlet 344 of the cap 34 through the air flow inlet 345 and a partition wall is provided at the lower part of the circumferential portion of the cyclone chamber main body 32.

  The cyclone dust collecting device 3 configured as described above introduces a cleaning airflow containing dust from the airflow inlet 345 into the cyclone chamber main body 32 to generate a vortex inside, and the cleaning airflow is generated by centrifugal force due to this overflow. The cleaning airflow from which the dust has been filtered flows from the airflow outlet 342 through the inside of the cap 34 and flows from the exhaust port 344 to the exhaust air passage 346.

In FIG. 4, the internal structure of the whole vacuum cleaner 1 is shown with sectional drawing.
The cleaning airflow generated by the rotation of the electric blower 24 is guided from the dust suction tool 10 to the cyclone dust collector 3 through the connection port 21 and the airflow introduction path 23. In the cyclone dust collecting device 3, a cleaning airflow including dust is introduced from the airflow inlet 345 to generate a vortex, and the centrifugal force generated by the vortex separates the dust from the cleaning airflow and directs the dust from the opening 326 toward the dust collection box 4. At the same time, the cleaning airflow from which the dust has been filtered flows to the exhaust air passage 346, passes through the dust collection filter 51 that is detachably provided to collect fine dust that cannot be filtered, and is exhausted to the blower. The

  A dust collection box 4 is disposed behind the cyclone dust collector 3 with a lid 41 facing the cyclone dust collector side, and a communication port 411 communicating with the opening 326 of the cyclone dust collector 3 is provided in the lid 41. Is formed. The lower side of the communication port 411 is a protruding portion 412 that protrudes toward the cyclone dust collector, and when the dust collection box 4 is attached to the cleaner body 2, the protruding portion 412 is formed on the cyclone dust collector 3. Along the lower edge of the opening 326, the tip is set to be flush with the inner wall surface of the cyclone dust collector. In addition, the arrow in FIG. 3 has shown the direction through which cleaning airflow flows.

FIG. 5 shows an external view of the vacuum cleaner 1 when the dust collection box 4 is removed from the state shown in FIG.
An elastic mechanism 9 that urges the dust collection box 4 upward using the elastic force of an elastic body such as a spring or rubber is disposed on the bottom surface of the recess 25 in which the dust collection box 4 is mounted. A dust collection box holding claw 27 that slides (in the direction of arrow B) in conjunction with the slide of the pop-up lever 6 (in the direction of arrow A) is installed at the edge of the recess 25. The dust box holding claw 27 engages with a lock claw 47 provided in the dust box 4 to fix the dust box 4 to the cleaner body 2. A projection 42 is provided at the rear end of the dust collection box 4 so as to be detachably engaged with a groove 26 formed in the rear wall surface of the recess 25.

  FIG. 6 shows an engagement operation diagram of the dust box holding claw 27 and the lock claw 47. As shown in FIG. 6, the dust collection box holding claw 27 is slidably disposed in a space 28 formed in the recess 25 of the main body 2. When the dust box holding claw 27 slides in the direction of arrow C in conjunction with the movement of the pop-up lever 6, the dust box 4 is disengaged from the lock claw 47.

FIG. 7 is a perspective view showing the structure of the dust collection box 4.
As shown in FIG. 7, the dust collection box 4 is a box that opens as a dust disposal opening 45 on the side of the communication portion with the cyclone dust collection device 3. The lock claw 47 described above is formed on the left and right sides in the vicinity of the dust throwing port 45, and the protrusion 42 is formed on the end opposite to the dust throwing port 45, thereby realizing connection to the cleaner body 2.

The dust throwing port 45 is opened and closed by a lid 41 that is rotatably attached to the bottom surface 43 of the dust throwing port 45 using the shaft 481 and the shaft support piece 431.
Here, when the dust throwing opening 45 is closed by the lid 41, the lip 413 a of the surrounding packing 413 of the lid 41 comes into contact with the seal rib 45 a formed at the periphery of the dust throwing opening 45.

  Further, the lid 41 or the lid 41 and the hood portion 49 that are the opposed surfaces of the dust collecting box 4 to the cyclone dust collecting device 3 are arranged along the outer peripheral shape of the cyclone dust collecting device 3 from the bottom surface 43 of the dust collecting box 4. Slopes that over-hang toward 44 are formed, and if necessary, a part of the cyclone dust collector is pressed from the side or obliquely upward using these slopes. Thereby, the cyclone dust collector 3 can be fixed at the same time by fixing the dust box, and the dust box 4 can be removed without being disturbed by the cyclone dust collector 3.

  The lid 41 is provided with a communication port 411 that communicates with the opening 326 of the cyclone dust collector 3 when the dust box is attached in order to take in the dust emitted from the cyclone dust collector 3. The lower side of the communication port 411 is a protruding portion 412 that protrudes along the lower side of the small opening of the opening 326, and the tip thereof is installed at a position equal to the diameter of the inner wall surface of the cyclone dust collector 3. Thereby, it is possible to prevent the vortex from being disturbed by a step or the like at the connecting portion between the dust collection box 4 and the cyclone dust collecting device 3 and reduce the leakage of dust.

FIG. 8 shows an exploded perspective view of the cyclone dust collector 3.
As shown in FIG. 8, the cyclone dust collecting device 3 has a substantially cylindrical shape with one end 321 opened and the other end 322 closed, and a cover 33 attached and fixed to the closed end surface 322 of the cyclone chamber main body 32. And a cap 34 that is detachably attached to the open end surface 321 of the cyclone chamber main body 32.

  The cap cleaning brush 323 is provided in the open end surface 321 of the cyclone chamber main body 32 or in the vicinity of the end surface. When removing dust attached to the mesh net 341, tangled hair or the like, the cyclone chamber body 32 is held with one hand and the cap 34 is removed with the other hand. At this time, since the mesh net 341 can be cleaned while both hands are closed, it is possible to eliminate the trouble of cleaning and to remove it without touching dust or hair.

  In the cyclone chamber main body 32, the cap 34 has an airflow outlet 342 provided with a mesh net 341 for leading out a cleaning airflow in which dust is filtered by centrifugal force. Further, a packing 343 is provided at a contact portion of the cap 34 with the opening end surface 321 of the cyclone chamber main body 32, so that the airtightness is kept good when the cap 34 is attached to the cyclone chamber main body 32. Further, the inside of the cap 34 is hollow, and the airflow that has flowed into the cap 34 from the airflow outlet 342 is discharged to the outside of the cap 34 through an exhaust port 344 provided at the lower part of the cap 34.

  The closing member 324 is a member for closing the opening 326 of the cyclone dust collecting device 3 that is exposed when the dust collection box 4 is removed from the cleaner body 2, and is made of a resinous or elastic material such as hard rubber. What is necessary is just to hold | maintain by the pair of guide 325 provided adjacent to the opening 326 opened in the cyclone dust collector 3, so that a slide to a horizontal direction is possible.

FIG. 9 shows a state where the opening 326 is closed by sliding the closing member 324 to a position where the opening 326 is closed.
On the surface of the closing member 324, a sentence that prompts to close the opening 326 when the vacuum cleaner is operated with the dust collection box 4 removed is displayed.

  When the vacuum cleaner 1 is used to clean the room, the sucked dust is stored in the dust collection box 4. To discard the accumulated dust after cleaning, after the vacuum cleaner 1 is stopped, the dust collection box 4 is detached from the vacuum cleaner main body 2 and the lid opening / closing lever 48 is pulled while holding the handle 46 to open the lid 41. Is opened and the dust collection box 4 is tilted. Thereby, dust is discharged from the dust collection box. However, when a large amount of fine dust is stored, it cannot be disposed of cleanly and remains attached to the inside, the edge, and the lid of the dust collection box 4.

  Therefore, the residual dust adhering to the dust collection box 4 is sucked by the dust suction tool 10. The dust suction tool 10 may be configured such that the floor brush 15 is removed, and if necessary, the pipe material 14 is also removed and shortened, and suction is performed at the tip of the pipe material 13.

  Since the dust collection box 4 is detached from the cleaner body, the opening 326 is closed by the closing member 324 in the cyclone dust collecting device 3. When the vacuum cleaner 1 is operated in this state, it becomes possible to introduce air into the cyclone chamber main body 32 from the airflow inlet 345 without the dust collection box 4, and eddy current is generated inside the cyclone chamber main body 32. At this time, since the atmospheric pressure in the cyclone chamber main body 32 becomes a negative pressure by the suction of the electric blower 24, the closing member 324 is in close contact with the opening 326.

  In this manner, dust attached to the inside, the edge, and the lid of the dust collection box 4 is sucked with the cleaning airflow using the tip of the pipe material 13, so that the operator can remove the dust collection box 4 without getting his hands dirty. A vacuum cleaner that can be kept clean can be obtained.

  At this time, the cyclone chamber main body 32 serves as a dust storage unit. After the vacuum cleaner is stopped, the closing member 324 is removed from the opening 326, the dust collecting box 4 is attached, and the dust box 4 is operated again. Is stored in the dust collection box 4.

  Further, as described above, when the operation is performed with the dust collection box 4 removed, the inside of the cyclone chamber main body 32 has a negative pressure. Therefore, the degree of sealing of the closing member 326 with respect to the opening 324 does not need to be high. Is acceptable.

  Further, since the lower side of the communication port 411 of the dust collection box 4 is projected to a position equal to the diameter of the inner wall surface of the cyclone dust collector 3 when attached to the cyclone dust collector 3, the cyclone dust collector 3 If the dust collection box 4 is to be attached to the cyclone dust collector 3 with the opening 326 closed by the closing member 324, the protruding portion hits the closing member 324 so that the dust collection box 4 cannot be attached. ing. Therefore, there is no fear of misuse that the dust collection box 4 is attached while the opening 326 is closed by the closing member 324.

  As described above, according to the present invention, in an electric vacuum cleaner provided with a vacuum cleaner body, a cyclone dust collector, and a dust collection box, when the dust collection box is removed, the closing member removes the cyclone dust collection device. Since the vacuum cleaner main body is operated with the opening closed to suck the dust attached to the dust collection box, the vacuum cleaner can keep the dust collection box 4 clean without the operator getting his hands dirty. Can be obtained.

  Further, when the vacuum cleaner main body is operated by removing the dust collection box, the operator can move the closing member to the operator by having a display part that prompts the closing member to close the opening of the cyclone dust collecting device. You can call attention not to forget to close the opening.

  The dust collection box has a protrusion formed by protruding the wall of at least a part of the dust collection box around the communication port to the outside, and when the dust collection box is attached to the cleaner body, the tip of the protrusion is Since it is located on the same plane as the inner wall surface of the cyclone dust collector, it is possible to prevent the vortex from being disturbed by a step or the like and reduce the leakage of dust.

  In addition, since the vacuum cleaner main body is provided with a storage portion for storing the closing member, the opening can be easily closed during dust disposal, and the user-friendly electric cleaning can prevent the loss of the closing member. You can get a chance.

  In addition, since the cyclone dust collector is provided with a storage portion for storing the closing member, it is possible to easily close the opening at the time of dust disposal and to prevent the loss of the closing member. You can get a vacuum cleaner.

  In addition, a dust removal brush fixed in the vicinity of the open end of the cyclone chamber main body is provided, so that the mesh net can be cleaned even when both hands are closed, eliminating the trouble of cleaning and making the operator unclean. I can work.

Embodiment 2 of the Invention
FIG. 10 shows an external view of the electric vacuum cleaner according to Embodiment 2 of the present invention. In FIG. 10, the state which removed the dust collection box 4 from the cleaner body 2 is shown. The same parts as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

In FIG. 10, the closing member storage portion 291 is formed by further forming a recess in the recess 25 in which the dust collection box 4 on the cleaner body 2 is placed. The closing member 324 is accommodated therein.
Similarly, a recess 293 that houses the dust removing brush 292 is formed by further forming a recess in the recess 25.

  Thereby, the dust removing brush can be used when dust is discarded, and the user can clean the dust collecting box 4 without getting his hands dirty, and the dust collecting box 4 is mounted on the dust collecting box 4 with the closing member 324 and the dust removing brush 292. In this way, the appearance is not exposed, and the appearance impression is not impaired.

Embodiment 3 of the Invention
FIG. 11 shows an exploded perspective view of the dust collection box 4 according to Embodiment 3 of the present invention.
A hook 435 is provided at the lower part of the dust collection box 4, and the dust removal brush 292 is held by the hook 435. Thus, the dust removing brush can be used when dust is discarded, and the user can clean the dust collecting box 4 without getting his hands dirty, and the dust removing brush 292 is not exposed to the appearance, thereby impairing the appearance impression. There will be nothing.

Claims (4)

A vacuum cleaner body having an electric blower for generating a cleaning airflow;
A cyclone dust collecting device that separates dust contained in the cleaning airflow generated by the electric blower, and a dust collection box that takes in and stores the dust separated from the cyclone dust collecting device and is detachably provided on the main body. In the vacuum cleaner,
An electric vacuum cleaner comprising a dust removing brush storage section for detachably storing a dust removing brush outside the dust collection box.   The electric vacuum cleaner according to claim 1, wherein the dust removing brush storage portion is a recess provided outside the dust collection box.   The electric vacuum cleaner according to claim 1 or 2, wherein the dust removing brush storage portion is provided with a hook for locking the dust removing brush.   The vacuum cleaner according to claim 1, wherein the dust removing brush is detachable when the dust collection box is detached.

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