JP4861909B2 - Vacuum cleaner - Google Patents

Description

  The present invention has a dust collecting part in which a filtration filter for filtering and collecting dust contained in the airflow is vertically disposed, an electric blower provided on the downstream side of the dust collecting part, and a power cord winder, The present invention relates to a vacuum cleaner that performs dust removal by applying dust removal vibration to the opposite side of the dust collecting surface of the filter.

  This type of vacuum cleaner is disclosed in, for example, Japanese Patent Application Laid-Open No. 2007-447 (Patent Document 1), Japanese Patent Application Laid-Open No. 2007-61148 (Patent Document 2), and Japanese Patent Application Laid-Open No. 2006-61537 (Patent Document 3). It is posted.

JP 2007-447 A JP 2007-61148 A JP 2006-61537 A

  The vacuum cleaner shown in Patent Document 1 includes dust removing means for flipping the upper part of a corrugated filter placed vertically from the opposite side of the dust collecting surface. This will reduce the dust removal away from the part to be bounced.

  The vacuum cleaner shown in Patent Document 2 is provided with dust removing means for applying dust vibration from the outer surface to the rear and lower portions of the dust bag.

  Since this is a soft dust collection bag, unlike a corrugated filter placed vertically, it is necessary to apply dust-removing vibrations over the entire area of the rear and lower parts of the dust collection bag. For this reason, there is a dislike that the dust removing means becomes large. As the dust removing means becomes larger, ventilation is impaired.

  The electric vacuum cleaner shown in Patent Document 3 includes dust removing means for hitting a lower portion of a corrugated filter placed vertically from the opposite side of the dust collecting surface. In this case, dust removal away from the part to be hit is reduced.

  Moreover, in patent document 3, since the lower part where a filtration filter is hit is a part of the center of right and left, there is a dislike that dust removal is biased to a part.

  An object of this invention is to provide the vacuum cleaner by which favorable dust removal is performed over the wide range of a filtration filter, and ventilation | gas_flowing is not impaired in view of the said conventional subject.

The present invention relates to a vacuum cleaner having a dust collecting part in which a filtration filter for filtering and collecting dust contained in an airflow is vertically disposed, an electric blower provided on the downstream side of the dust collecting part, and a power cord winder A first dust removing means for applying dust removing vibration to the upper part of the filtration filter from the opposite side of the dust collecting surface, and a second dust removing means for applying dust removing vibration to the lower part of the filtering filter from the opposite side of the dust collecting surface. The first dust removing means is connected to the power cord winding device via the rotation transmission mechanism, and the second dust removing means is connected to the power cord winding device via the first dust removing means. Features.

  ADVANTAGE OF THE INVENTION According to this invention, the vacuum cleaner which can perform favorable dust removal over a wide range of a filter, and aeration is not impaired can be provided.

  Hereinafter, a description will be given with reference to the drawings illustrating an example of an embodiment of the present invention.

  The outline of the vacuum cleaner according to the embodiment of the present invention will be described with reference to FIGS. 1, 2, and 3.

  As shown in FIG. 2, a suction port 201 is connected to the cleaner body 204 so as to communicate with each other via an extension pipe 202 and a hose 203. For this reason, the dust sucked from the suction port 201 passes through the extension pipe 202 and the hose 203 and is collected in the cleaner main body 204.

  As shown in FIG. 3, a dust collection case 401 is detachably attached to the dust collection portion of the cleaner body 204. A dust collection lid 301 that opens and closes the dust collection unit is provided on the upper portion of the cleaner body 204.

  When the electric vacuum cleaner is operated for cleaning, dust is collected in the dust collecting case 401. At this time, the filter gradually clogs due to the dust, and the suction force decreases. As for the accumulated dust, the dust collecting case 401 is detached from the cleaner body 204 and the dust accumulated in the dust collecting case 401 is discarded.

  As shown in FIG. 1, a dust removal unit 700 is provided inside the cleaner body 204. The dust removal unit 700 is located on the downstream side of the dust collection case.

  As shown in FIG. 5, the electric blower 503 is located on the downstream side of the dust removal unit 700. The power cord winding device is arranged next to the electric blower 503.

  As shown in FIGS. 10, 4, 9, and 6, the dust collection case 401 includes a cyclone dust collection chamber 800 inside, and a fine dust collection chamber 810 below the cyclone dust collection chamber 800. The filtration filter 402 is provided on the downstream side of the dust collection case 401.

  The filtration filter 402 has a large number of vertically running pleats having elasticity, in which fibers including a nonwoven fabric are hardened.

  The filtration filter 402 is located on the downstream side of the cyclone dust collection chamber 800, and fine dust that has not been collected in the cyclone dust collection chamber 800 is collected. The fine dust removed from the filtration filter 402 accumulates in the fine dust collection chamber 810.

  The fine dust collection chamber 810 is provided with an upward dust inlet 811 that is formed between the fine dust collection chamber 810 and the dust collection surface of the filtration filter 402. The dust inlet 811 is narrower than the height of the internal space of the fine dust collection chamber 810.

  The fine dust that has entered the fine dust collecting chamber 810 is narrow at the dust inlet 811, so that it is less likely to flow out of the dust inlet 811 during the operation of the vacuum cleaner and soar again. Not likely to occur.

  As shown in FIGS. 6, 9, and 10, the lower end side of the filtration filter 402 is supported on the dust collection case 401 by a hinge 900 so as to be openable and closable.

  When the hook 901 provided on the upper portion of the dust collection case 401 is removed, the filtration filter 402 is opened away from the dust collection case 401 with the hinge 900 as a fulcrum. In this way, the dust accumulated in the dust collection case 401 is discarded.

  The dust collection unit is a generic name including the dust collection case 401, the filtration filter 402, and the dust removal unit 700. Since the electric blower 503 is located on the downstream side of the dust collection unit, the dust removal unit 700 is placed so as to be interposed between the dust collection case 401 and the electric blower 503.

  As shown in FIGS. 5, 6, and 7, the dust removal unit 700 includes a dust removal unit frame 750, a first dust removal means 101 and a second dust removal means 102 attached to the dust removal unit frame 750.

  The first dust removing means 101 has a flip dust remover 1010 that flips the upper part of the filtration filter 402 from the opposite side of the dust collecting surface while traversing the pleat mountains.

  The second dust removing means 102 has a striking dust remover 1020 that strikes the pleat with the lower portion of the filtration filter 402 directed from the downstream side to the upstream side.

  That is, the dust removing operation of the first dust removing means 101 is caused by the rotational movement of the dust remover 1010 of the spiral spring. The dust removal operation of the second dust removal means 102 is accompanied by the reciprocating motion of the impact dust remover 1020.

  The flip dust remover 1010 of the first dust removing means 101 provided between the filtration filter 402 and the electric blower 503 is placed at a position above the center of the filtration filter 402. Similarly, the blow dust remover 1020 of the second dust removing means 102 provided between the filtration filter 402 and the electric blower 503 is placed at a lower part than the center of the filtration filter 402.

  That is, the flip dust remover 1010 and the blow dust remover 1020 that impart dust removal vibration to the opposite side of the dust collection surface of the filtration filter 402 are placed away from the center of the filtration filter 402 placed vertically and at the upper / lower part. It is burned.

  For this reason, since dust removal vibration is applied to the filtration filter 402 from both the upper and lower sides, dust removal is performed over a wide range of the filtration filter 402.

  Further, the first dust removing means 101 is a dust removing for flipping, and the second dust removing means 102 is a dust removing for hitting. A synergistic dust removing effect in which the dust removing action of the different dust removing forms is combined with one filter filter 402 acts, and better dust removal is performed.

  Further, since the dust remover 1010 of the first dust remover 101 and the blow dust remover 1020 of the second dust remover 102 are provided apart from the upper / lower part avoiding the center of the filtration filter 402, the air flow toward the electric blower 503 The circulation of air is hardly disturbed, and the circulation of air is kept good.

  Further, a fine dust collection chamber 810 having an upward dust inlet 811 is located on the lower dust collection surface of the filtration filter 402. The fine dust that blows forward in front of the dust collecting surface by the impact reaction of the impact dust removing element 1020 of the second dust removing means 102 falls into the fine dust collecting chamber 810 and is collected. For this reason, the fine dust that has been removed is less likely to scatter and the problem of reattaching to the filtration filter 402 is eliminated.

  The dust removing operation of the first dust removing means 101 and the second dust removing means 102 depends on the rotation of the power cord winding device 501. The filter filter 402 is dedusted by the first dust removing means 101 and the second dust removing means 102 when the cord is pulled out or wound by the power cord winder.

  The power cord winding device 501 includes a cord reel that winds the cord and a winding spring that turns the cord reel in the winding direction. If the first dust removing means 101 and the second dust removing means 102 are dust-removed during the winding of the cord winding, the winding spring becomes heavy and the winding of the cord becomes impossible.

  Therefore, a clutch that transmits a one-way rotation is provided so that the rotation of the power cord winding device 501 is not transmitted to the first dust removing means 101 and the second dust removing means 102 when winding the cord. Thereby, the burden of the winding spring is reduced, and the cord is wound.

  The first dust removing means 101 includes a spiral spring dust remover 1010 provided around the rotating rod body 602. The first dust removing means 101 is dust-removed when the spiral spring dust remover 1010 is flipped across the pleats of the filtration filter 402.

  As shown in FIGS. 5, 6, 7, and 8, the rotation of the power cord winding device 501 is transmitted to the first dust removing means 101 via the rotation transmission mechanism 500, and the second dust removing means 102 receives the first dust. It is transmitted through the dust removing means 101.

  The rotation transmission mechanism 500 includes an intermediate gear 502 that meshes with the outer peripheral gear of the cord reel of the power cord winding device 501, and a first dust removal gear 553 that meshes with the intermediate gear 502. The clutch that transmits the one-way rotation described above can be provided in the rotation transmission mechanism 500 or the first dust removing means 101.

  Since the second dust removing means 102 is transmitted to the rotation of the power cord winding device 501 via the first dust removing means 101, the clutch for the second dust removing means 102 is unnecessary.

  Thus, since the rotation of the power cord winding device 501 is transmitted to the second dust removing means 102 via the first dust removing means 101, a rotation transmission mechanism for the second dust removing means 102 including a clutch is separately provided. There is no need, and the rotation transmission mechanism is simplified.

  As shown in FIGS. 4, 9, and 10, the filtration filter 402 includes a first dust removing portion 403 and a second dust removing portion 404 at the top of the pleat.

  The first dust removal portion 403 is provided in the upper portion of the filtration filter 402, and the second dust removal portion 404 is provided in the lower portion of the filtration filter 402. The first dust removing portion 403 is flipped by the dust remover 1010 of the first dust removing means 101. The second dust removing portion 404 is hit with a hit dust remover 1020 of the second dust removing means 102.

  The first dust removal portion 403 and the second dust removal portion 404 are formed of protrusions made of polyacetal resin. This protrusion is provided on the top of each pleat. By providing this protrusion, the filter 402 is not damaged. Moreover, since the hardness of the top part of a pleat increases, the vibration by playing and hitting increases, dust removal efficiency improves, and dust removal is performed well.

  In addition, since the polyacetal resin has a small coefficient of friction, the life of the protrusion can be extended.

  The dust removal unit will be described with reference to FIGS. 6, 7, and 8. FIG.

  Here, the second dust removing means will be mainly described.

  The second dust removal means 102 includes a dust removal support frame 702 and a dust removal movable frame 703 that is supported along the dust removal support frame 702 so as to be swingable. The dust removal support frame 702 and the dust removal movable frame 703 are made of a coarse lattice so that ventilation is not hindered.

  The dust removal movable frame 703 has support shaft portions 801 protruding on both sides of the middle stage. The support shaft portion 801 is inserted into bearings provided on both sides of the middle stage of the dust removal support frame 702, and the dust removal movable frame 703 is swingable with respect to the dust removal support frame 702.

  The dust removal support frame 702 has an upper locking piece 850 in the upper portion and a lower locking piece 851 in the lower portion. The dust removal support frame 702 is detachably attached to the dust removal unit frame 750 using the upper locking piece 850 and the lower locking piece 851.

  The protective filter 760 is sandwiched and held between the dust removal unit frame 750 and the dust removal support frame 702. The protective filter 706 collects fine dust that has passed through the filtration filter 402 and blocks foreign matter from being sucked into the electric blower 503.

  The dust removal unit frame 750 has a radial coarse support frame in the center. The air that has passed through the protective filter 760 from between the support bones is sucked into the electric blower 503.

  Since the second dust removing means 102 can be removed from the dust removing unit 700, the protection filter 760 can be easily cleaned and the second dust removing means 102 can be easily maintained.

  The dust removal movable frame 703 supports the impact dust remover 1020 so as to be rotatable on the lower side. The blow dust remover 1020 is a rotating member that faces the downstream side of the filtration filter 706 and extends horizontally.

  The rotating dust hitting dust remover 1020 has pivot shafts 802 at both ends supported rotatably on the dust removal movable frame 703 and the center supported rotatably on the lattice of the dust removal movable frame 703.

  The impact dust remover 1020 is an impact member that strikes the filtration filter 402. The impact dust remover 1020 rotates when the dust collecting case 401 is attached to and removed from the vacuum cleaner main body 204, so that the rubbing with the filtration filter 402 is smoothly performed and the dust collecting case 401 can be easily attached and detached.

  As shown in FIG. 6, the urging spring 704 is interposed between the dust removal support frame 702 and the dust removal movable frame 703 so that the impact dust remover 1020 is pressed by the filtration filter 402. The operating lever 701 is provided on the upper left end of the dust removal support frame 702 as shown in FIGS.

  The operating lever 701 is combined so as to be in sliding contact with a cam protrusion 601 provided at the left end of the rotating rod body 602 of the first dust removing means 101 (opposite side of the rotation transmission mechanism 500). As the first dust removing means 101 rotates, the cam projection 601 intermittently pushes the operating lever 701, so that the dust removing movable frame 703 swings against the biasing spring 704.

  By this swinging motion, the blow dust remover 1020 of the second dust removing means 102 continuously taps the filtration filter 402 from the downstream side, which is the opposite side of the dust collection surface, to the upstream side (dust collection surface side). Dust adhering to 402 is removed.

  The dust removal by the impact dust remover 1020 of the second dust removal means 102 is performed by a rotating member extending long horizontally across the width of the filtration filter 402. Therefore, unlike the dust removal by hitting a part of the center described in the conventional example, a wide range. A uniform dust removal is provided.

  In addition, the dust remover 1010 of the first dust removal means 101 (the spiral spring dust remover provided around the rotating rod body 602) also extends long in the lateral width of the filtration filter 402. For this reason, the filter filter 402 is provided with good dust removal over the entire area of the filter 706 because dust removal vibrations in a wide range extending across the width act on the upper / lower portions all at once.

  Furthermore, the dust remover 1010 of the first dust remover 101 and the blow dust remover 1020 of the second dust remover 102 are separated from each other in the upper and lower parts so as to avoid the air flowing through the air sucked into the electric blower, so that the flow is hindered. And good suction is obtained.

  Further, both ends of the blow dust remover 1020 are rotatably supported by the dust removal movable frame 703 and the center is rotatably supported by the lattice of the dust removal movable frame 703. It is lightly performed by the rotation of the blow dust remover 1020. In addition, since the center of the blow dust remover 1020 is rotatably supported, it is strong against deformation due to blow and good dust removal is maintained.

In the external view of the cleaner body concerning an example of the embodiment of the present invention, the state where the dust collection case was removed is shown. 1 is an overall external view of a vacuum cleaner according to an example of an embodiment of the present invention. It is an external view of the cleaner main body which concerns on an example of embodiment of this invention, and has shown the state which the dust collecting cover opened. It is an external view of the dust collection case which concerns on an example of embodiment of this invention. It is an external view of the vacuum cleaner main body which concerns on an example of embodiment of this invention, and has shown the state from which the upper main body case and the dust collection case were removed. It is the figure which carried out the cross section and showed the combination of the filtration filter and dust removal apparatus which concern on an example of embodiment of this invention. It is an external view of the dust removal mechanism which concerns on an example of embodiment of this invention. It is an external view of the 2nd dust removal means of the dust removal mechanism which concerns on an example of embodiment of this invention. It is a front view of a filtration filter concerning an example of an embodiment of the present invention. FIG. 5 is a sectional view taken along the line XX of FIG. 4 according to an example of the embodiment of the present invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 101 ... 1st dust removal means, 102 ... 2nd dust removal means, 201 ... Suction mouth, 202 ... Extension pipe, 203 ... Hose, 204 ... Vacuum cleaner main body, 301 ... Dust collection cover, 401 ... Dust collection case, 402 ... Filtration filter, 403 ... 1st dust removal part, 404 ... 2nd dust removal part, 501 ... Power cord winding device, 502 ... Intermediate gear, 503 ... Electric blower, 601 ... Cam projection, 602 ... Rotating rod, 701 ... Projection part, 702 ... Dust removal support frame, 703 ... Frame body, 704 ... Biasing spring, 750 ... Dust removal unit frame body, 760 ... Protection filter, 801 ... Support shaft section, 802 ... Support shaft section, 1010 ... Dust remover, 1020 ... Dust removal Child.

Claims (6)

In a vacuum cleaner having a dust collection part in which a filtration filter for filtering and collecting dust contained in the airflow is vertically disposed, an electric blower provided on the downstream side of the dust collection part, and a power cord winding device,
A first dust removing means for applying dust removing vibration to the upper part of the filtration filter from the opposite side of the dust collecting surface; and a second dust removing means for applying dust removing vibration to the lower part of the filtration filter from the opposite side of the dust collecting surface. And the first dust removing means is connected to the power cord winding device via a rotation transmission mechanism, and the second dust removing means is connected to the power cord winding device via the first dust removing means. A vacuum cleaner characterized by that. The vacuum cleaner according to claim 1, wherein
The vacuum cleaner, wherein the dust removing vibration applied to the opposite side of the dust collecting surface by the second dust removing means is a reciprocating motion toward the filter . A dust collection case in which a filtration filter for filtering and collecting dust contained in the airflow is vertically mounted, an electric blower provided downstream of the dust collection case, and interposed between the dust collection case and the electric blower In a vacuum cleaner having a dust removing unit to be provided and a power cord winding device,
A first dust removing means for applying dust removing vibration to the upper part of the filtration filter from the opposite side of the dust collecting surface; and a second dust removing means for applying dust removing vibration to the lower part of the filtration filter from the opposite side of the dust collecting surface. And the dust removal unit has a dust removal unit frame to which the first dust removal means and the second dust removal means are attached, and the second dust removal means is detachably attached to the dust removal unit frame, A vacuum cleaner characterized in that a protective filter for collecting fine dust passing through the filtration filter is interposed between the second dust removing means and the dust removing unit frame . The vacuum cleaner according to claim 3,
The vacuum cleaner characterized in that the second dust removing means has a dust removal support frame and a dust removal movable frame supported along the dust removal support frame and swingably . The vacuum cleaner according to claim 3,
The vacuum cleaner, wherein the second dust removing means has a blow dust remover that taps the filtration filter from the downstream side toward the upstream side . The vacuum cleaner according to claim 5,
The vacuum cleaner, wherein the blow dust remover is a rotating member that faces a downstream side of the filtration filter and extends horizontally .

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