WO2015118981A1 - Dispositif d'aspiration pour sol et aspirateur électrique pourvu dudit dispositif d'aspiration pour sol - Google Patents

Dispositif d'aspiration pour sol et aspirateur électrique pourvu dudit dispositif d'aspiration pour sol Download PDF

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Publication number
WO2015118981A1
WO2015118981A1 PCT/JP2015/052014 JP2015052014W WO2015118981A1 WO 2015118981 A1 WO2015118981 A1 WO 2015118981A1 JP 2015052014 W JP2015052014 W JP 2015052014W WO 2015118981 A1 WO2015118981 A1 WO 2015118981A1
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WO
WIPO (PCT)
Prior art keywords
rotating brush
case
suction tool
dust
brush
Prior art date
Application number
PCT/JP2015/052014
Other languages
English (en)
Japanese (ja)
Inventor
近藤　大介
龍一 内田
Original Assignee
三菱電機株式会社
三菱電機ホーム機器株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社, 三菱電機ホーム機器株式会社 filed Critical 三菱電機株式会社
Priority to JP2015560927A priority Critical patent/JP6075466B2/ja
Priority to TW104103386A priority patent/TWI608819B/zh
Publication of WO2015118981A1 publication Critical patent/WO2015118981A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0455—Bearing means therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators

Definitions

  • the present invention relates to a floor surface suction tool capable of removing dust and the like adhering to a built-in rotating brush, and a vacuum cleaner provided with the floor surface suction tool.
  • a rotary brush is attached to the suction tool of the vacuum cleaner, and this rotary brush rotates and sucks up and sucks dust on the cleaning surface, but if this rotary brush gets tangled with hair, threads, etc. It will no longer function as a rotating brush.
  • the rotating brush is removed from the suction tool, and the ring-shaped dust removing means provided on the outer periphery of the rotating brush is slid along the axial direction (longitudinal direction) of the rotating brush.
  • the dust removing means since the guide is guided in the spiral groove of the hollow base and slides along the axial direction (longitudinal direction) of the rotating brush, the cutter blade provided in the dust removing means contacts the groove.
  • a rotary brush that can be attached and detached by movement in the axial direction is provided in the suction tool, and dust removing means is provided in the rotary brush penetrating portion of the partition wall that partitions the suction tool, and the dust is removed by pulling out the rotary brush. It has been proposed that the removing means scrapes the wound thread, hair, and cotton dust by squeezing the brush part (see, for example, Patent Document 2).
  • the dust removing means is a brush hair, and is in a direction to be pulled out at the time of removal, so that the dust flows out of the suction tool or the rotating brush
  • the pulling force becomes large.
  • the present invention has been made to solve the above-described problems, and removes dust entangled with the rotating brush in a sanitary manner with a light force without polluting hands and without raising dust.
  • the purpose is to obtain a vacuum cleaner suction tool.
  • the floor suction tool of the present invention that solves the problem includes a case that forms an outer shell, and a rotating brush that is rotationally driven by a drive unit in the case and holds the cleaning body on the cylindrical base body via the cleaning body holding unit.
  • An opening for attaching or removing the rotating brush to or from the case is formed on the side of the case.
  • the rotating brush is inserted from one end to the attachment position through the opening and removed.
  • the gripper is pulled out from the opening from the mounting position, and a gripping part is provided at one end for mounting or detaching in the case, and the cylindrical base of the rotating brush extends in the axial direction.
  • the case is provided with a groove and a cylindrical portion, and a dust removing means for removing dust attached to the rotating brush when the rotating brush is removed is provided inside the case.
  • Vignetting, dust removing means has a blade for cutting the dust tangled the rotary brush.
  • dust such as lint and hair entangled around the rotating brush is not cut off by the blade of the dust removing means when the rotating brush is removed from the floor suction tool.
  • the dust can be easily removed, and the maintainability is improved.
  • FIG. 1 It is a schematic diagram which shows the state which connected the floor surface suction tool of the vacuum cleaner which concerns on Embodiment 1 of this invention to the vacuum cleaner main body. It is a perspective view of the floor suction tool of the electric vacuum cleaner concerning Embodiment 1 of the present invention. It is a top view of the floor surface suction tool of the electric vacuum cleaner which concerns on Embodiment 1 of this invention. It is a bottom view of the floor suction tool of the electric vacuum cleaner which concerns on Embodiment 1 of this invention. It is a perspective view of the state where the upper case of the floor suction tool of the electric vacuum cleaner concerning Embodiment 1 of the present invention was removed.
  • FIG. 4 is a cross-sectional view of a principal part showing a connected state of a gear and a rotating brush bearing part. It is an external view of the rotating brush of the floor surface suction tool of the electric vacuum cleaner which concerns on Embodiment 1 of this invention.
  • FIG. 1 is a schematic diagram showing a state in which the floor suction tool of the vacuum cleaner according to Embodiment 1 of the present invention is connected to the main body of the vacuum cleaner
  • FIG. 2 is a diagram of the vacuum cleaner according to Embodiment 1 of the present invention.
  • 3 is a perspective view of the floor surface suction tool
  • FIG. 3 is a top view of the floor surface suction tool of the electric vacuum cleaner according to Embodiment 1 of the present invention
  • FIG. 4 is a floor surface of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 5 is a bottom view of the suction tool
  • FIG. 5 is a perspective view of the vacuum cleaner according to Embodiment 1 of the present invention with the upper case removed
  • FIG. 6 is an electricity diagram according to Embodiment 1 of the present invention.
  • Schematic diagram of the driving force transmission structure FIG. 7B is a cross-sectional view of the main part showing the connection state of the motor and the gear, and FIG. 7C is the gear and the rotating brush bearing part. It is a fragmentary cross-sectional view showing a coupled state.
  • reference numeral 300 denotes a vacuum cleaner, which includes a vacuum cleaner main body 200, a hose body 101, and a floor suction tool 100, and advances the floor suction tool 100 from the surface to be cleaned G in the traveling direction S. As a result, the dust is sucked and cleaned.
  • An electric blower 201 for generating suction air for sucking dust from the surface to be cleaned G is provided in the cleaner body 200.
  • a dust collection chamber 202 for collecting the sucked dust is provided in the cleaner body 200.
  • a paper pack type that collects dust by collecting a bag-like filter called a paper pack in the dust collection chamber, or a cyclone that separates and collects dust in a swirling flow In the present invention, the dust collection method is not limited to a specific method and can be selected as appropriate.
  • the hose body 101 is for handling the electric vacuum cleaner 300 including a flexible tube portion 102 having flexibility such as an accordion and an operation unit (not shown) for performing input for operating the electric vacuum cleaner 300.
  • the handle portion 103 and the hard extension tube portion 104 having a telescopic structure, and the opposite end portion of the soft tube portion 102 connected to the handle portion 103 is detachable from the cleaner body 200. Connected.
  • the floor suction tool 100 is detachably connected to the opposite end of the hose body 101 connected to the handle 103 of the hard extension tube 104.
  • the main body case 3 that forms the outline of the floor suction tool 100 is composed of an upper case 1 and a lower case 2, which is horizontally long with respect to the traveling direction S, and is a rigid extension pipe portion.
  • a joint pipe 4 provided with a connection portion 5 at one end for connecting to 104 is connected to a lower case 2 and an upper case 1 so that the connection portion 15 formed at the other end can be tilted.
  • a pair of connecting cylindrical portions 15 a are formed on the end of the connecting portion 15 opposite to the connecting portion 5 on the left and right sides communicating with the inside of the connecting portion 15, and the connecting cylindrical portion 15 a is connected to the upper case 1 and the lower case 2. It is sandwiched between them so that it can tilt.
  • the lower case 2 is provided with a suction port 14, which is an opening for sucking dust existing on the surface to be cleaned G, on the surface facing the surface to be cleaned G.
  • the suction port 14 communicates with two suction ports 14a and 14b communicating with the connection cylindrical portions 15a and 15b, respectively.
  • the rotary brush 6 is inserted into the back of the suction port 14 by bearings 10 described later at positions at both ends so as to protrude from the suction port 14 provided in the lower case 2 toward the surface G to be cleaned. It is supported and attached so that it can rotate freely.
  • the bearing portion 10 is sandwiched between the lower case L8 and the lower case 2 inside the one side surface in the longitudinal direction of the case, and the remover 11 serving as dust removing means is sandwiched between the lower case 2 and the other side surface in the longitudinal direction of the case. And are fixed by screws 37a and 37b.
  • the configuration, attachment, and removal of the rotating brush 6 will be described in detail later.
  • the lower case 2 is provided with rear wheels 12a1 and 12b1 formed by resin molding so as to protrude toward the surface G to be cleaned.
  • middle wheels 12a2 and 12b2 are provided in front of the rear wheels 12a1 and 12a2 in the vicinity of both ends of the lower surface of the floor suction tool.
  • the rear wheels 12a1 and 12b1 and the middle wheels 12a2 and 12b2 are pivotally supported at a fixed position at a predetermined distance from the surface to be cleaned G, and the rotating brush 6 is in a stable position with respect to the surface G to be cleaned.
  • the rotating brush 6 can be properly rotated without applying unnecessary pressure, and dust can be scraped stably.
  • the floor suction tool 100 can be moved smoothly.
  • the rear wheels 12a1 and 12b1 and the middle wheels 12a2 and 12b2 formed by resin molding are used for the stable operation of the rotating brush 6 and the movement of the floor suction tool 100, but a sliding member made of a raised cloth is used.
  • the material is not limited to a specific member, and can be appropriately selected.
  • the lower case 2 has a plurality of sliding members 21a and 21b made of a brushed cloth in order to smoothly move the floor suction tool 100 to the surface facing the surface to be cleaned G without damaging the surface to be cleaned G. Is provided. Further, a shielding member 23 made of a raised cloth is provided to prevent dust that has been bounced off by the rotating brush 6 and not sucked well from escaping to the outside and to block a part of the outer periphery of the suction port to increase the vacuum degree of suction. ing.
  • the switch case wheel 13 is provided on the lower case 2 so as to protrude toward the surface to be cleaned G.
  • the switch wheel 13 is pivotally supported in the lower case 2 so as to protrude and retract, and protrudes most when the floor suction tool 100 is lifted from the surface G to be cleaned.
  • a switch (not shown) for turning on and off the rotational drive of the rotary brush 6 is housed in a switch holder 20 described later and provided in the main body case 3 in conjunction with the protrusions and depressions.
  • a switch (not shown) is turned on when the suction tool 100 is placed and the switch wheel 13 is submerged in the lower case 2, and the floor suction tool 100 is lifted from the surface G to be cleaned and the switch wheel 13 protrudes. In this state, the switch (not shown) is turned off so that the rotating brush is not idle idle and the user is not accidentally caught in the rotating brush to be driven. .
  • a motor 16 (not shown), which is a drive unit for driving the rotary brush 6 to rotate in the lower case 2, and a switch (not shown) for turning on / off the rotary drive of the rotary brush 6 described above. ) Is disposed.
  • the motor 16 is connected to the gear 18a by the first connecting belt 17, is integrally formed coaxially with the gear 18a, and the gear 18b having a smaller number of gears than the gear 18a is connected to the second connecting belt 17.
  • the belt 19 is connected to the bearing unit 10 that holds the rotating brush 6.
  • FIG. 8 is an external view of the rotating brush of the floor suction tool of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • the rotating brush 6 includes a cylindrical portion 24a formed by resin molding, and five spiral groove portions 25 formed so as to be flush with the peripheral surface of the cylindrical portion 24a (a combination of the cylindrical portion 24a and the groove portion 25).
  • a cleaning body supported via a cleaning body holding part 24b formed between adjacent groove parts 25, that is, the dust on the surface G to be cleaned embedded in the cleaning body holding part 24b.
  • a guide portion 26 provided on one end side of the cylindrical base 24, and a main body case 3 provided on the other end side. It is comprised by the holding part 7 to hold
  • the spiral groove 25 is formed at an equal angle in the circumferential direction.
  • the rotating brush 6 has a protrusion corresponding to the cleaning body holding part 24b between the dust removing means 11 (described later) and the cleaning body holding part 24b when the rotating brush 6 is attached to the main body case 3.
  • a portion 24c is provided.
  • the gripping portion 7 is provided with a locking projection piece 28 for locking to the main body case 3 at the time of attachment, and a lever 7a that is used for locking or unlocking.
  • the cleaning body is the bristle brush 27 in which the brush portions of the rotating brush are planted in rows.
  • a blade-shaped member made of an elastic body such as rubber may be used and can be selected as appropriate.
  • the bristle brush 27 was made into the 5-row structure embedded in the five groove parts, it is not limited to 5 rows and can be selected appropriately.
  • FIG. 9 is a perspective view of the floor suction tool of the vacuum cleaner according to Embodiment 1 of the present invention before the rotary brush is attached
  • FIG. 10 is the floor suction tool of the vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 11A is a bottom view of a state immediately before mounting of the rotating brush and the bearing portion
  • FIG. 11B is a mounting state of the rotating brush and the bearing portion.
  • FIG. 12A is a bottom view
  • FIG. 12A is a perspective view seen from the rotating brush side of the remover that is dust removing means
  • FIG. 12B is a side view of the remover that is dust removing means
  • FIG. 13 is an embodiment of the present invention.
  • the figure explaining the attachment method of the rotary brush of the floor suction tool of the vacuum cleaner which concerns on FIG. 1 FIG. 14: demonstrates the attachment method of the rotary brush of the floor suction tool of the vacuum cleaner which concerns on Embodiment 1 of this invention.
  • Figure 15 (a) shows the state before the rotating brush is locked in the mounting position.
  • FIG. 15B is a cross-sectional view of the main part showing the unlocked state of the locking part of the case in the state and the locking convex piece of the gripping part
  • FIG. 15B is the locking part of the case in a state where the rotating brush is locked at the mounting position.
  • 16A is a cross-sectional view of the main part in the vicinity of the gripping part in a state before the rotary brush is locked at the mounting position.
  • (B) is principal part sectional drawing of the holding part vicinity of the state which latched the rotating brush in the attachment position.
  • the rotating brush 6 is inserted and attached from the side surface direction of the floor suction tool 100.
  • an opening 29 for attaching the rotating brush 6 is formed on one side surface of the body case 3, a recess 30 is provided around the opening 29, and a convex shape 31 is provided in the recess 30. It has been.
  • the outermost end of the lever 7a is in the direction of removing the rotary brush 6.
  • the depth of the recess 30 is set so as to be located inside the outermost end of the side surface of the main body case 3 where the opening 29 is formed.
  • a remover 11 is provided as dust removing means for removing dust entangled with the rotating brush 6.
  • the remover 11 is made of resin, and has a hollow portion 34 as shown in FIG. 12, and has a hollow ring shape with a lower portion cut out, and the protruding portion 33 extending in the axial direction of the rotating brush 6 has an equal angle of 5 in the circumferential direction.
  • One is provided.
  • the positions of the protrusions 33 correspond to the positions of the five grooves 25 of the rotating brush 6 and are located in the gaps that are the grooves 25 between the bristle brushes 27 (cleaning bodies) of the rotating brush 6 or between the cleaning body holding parts 24b. Thus, it is guided in the axial direction of the rotating brush 6.
  • Each protrusion 33 has substantially the same shape as the gap that is the groove 25 between the bristle brush 27 that is the cleaning body of the rotary brush 6 or between the adjacent cleaning body holding portions 24b, and faces the surface on the valley gap side.
  • the upper surface to be inclined has an inclined surface that inclines in a direction away from the cylindrical base 24 from the tip toward the root.
  • a metal blade 33c is fixed to the protrusion 33 by press-fitting to the inclined part 33b on the upper surface of the protrusion 33 at the upper end from the tip of the protrusion 33 to the root.
  • the blade 33c is fixed so as to incline in a direction away from the cylindrical base 24 from the tip of the projection 33 toward the base.
  • the blade 33c is fixed by press-fitting, the blade 33c and the protrusion 33 can be manufactured even if they are made of different materials, and can be firmly fixed.
  • the installation method of the blade 33c is not limited to this, You may comprise the blade 33c and the projection part 33 with the same material. There is an advantage that integral molding is possible and the manufacturing cost can be reduced.
  • the inner diameter of the remover 11 is smaller than the outer shape of the bristle brush 27 provided on the rotary brush 6 and is close to the hairline so as to scrape the bristle brush 27.
  • the remover 11 is sandwiched between the upper case 1 and the lower cover R9 and fixed to the floor suction tool 100.
  • the remover 11 removes dust from the rotating brush 6 when it is removed. The dust removal will be described in detail in the description of the removal at a later stage.
  • the rotary brush 6 When the rotary brush 6 is to be inserted through the opening 29 as shown in FIG. 9, the rotary brush 6 passes through the hollow portion 34 of the remover 11 and is provided on the cylindrical base 24 of the rotary brush 6 as shown in FIG.
  • the groove portion 25 and the protrusion portion 33 of the remover 11 are fitted to each other, and the protrusion portion 33 is fitted until it almost contacts the deepest portion of the groove portion 25.
  • the bristle brush 27 is configured to pass while the protrusion 33 is provided.
  • the bearing projection 10a has a wedge shape that is divided into five equal parts in the circumferential direction as shown in FIG.
  • the guide portion opening 26a is also an opening having a shape divided into five equal parts in the circumferential direction, so that the driving force of the motor 16 transmitted to the bearing portion 10 is idle. It is reliably transmitted to the rotating brush 6 without rotating.
  • the surface of the protrusion 33 that faces the cylindrical base 24 is the cylindrical portion of the rotary brush 6. It is set to be located at 24a.
  • the rotating brush 6 is not locked to the protrusion 33 and can rotate around the central axis of the rotating brush 6. Therefore, even if the guide opening 26a is displaced around the central axis of the rotating brush 6 with respect to the bearing protrusion 10a, the rotating brush 6 rotates as the rotating brush 6 is pushed in, and the fitting of both becomes easy. .
  • the rotating brush 6 is provided with a convex portion 24c between the dust removing means 11 and the cleaning body holding portion 24b when the rotating brush 6 is attached to the main body case 3, the rotating brush 6 is provided with the rotating brush 6 during cleaning. Even if the entangled dust moves to the dust removing means 11 side, it is caught on the convex portion 24c, and it can be prevented that the dust gets over the convex portion 24c and moves to the dust removing means 11. Accordingly, it is possible to prevent the rotation of the rotating brush 6 from being entangled with the dust removing means 11.
  • the rotating brush 6 is only in the mounting position and is not yet fixed, and the gripping portion 7 protrudes from the side surface of the main body case 3 as shown in FIG.
  • the gripping portion 7 of the rotating brush 6 is applied outwardly from the main body case 3 by an urging means 39 made of an elastic body having a spring shape, for example. Because of this, the protrusion 7 makes it easier for the gripping part 7 to grip. In addition, the protrusion allows the user to visually understand that the installation is not completed.
  • the gripping portion 7 is further pushed to the position where the lever 7a contacts the recess 30 against the urging force of the urging means 39 (state of FIG. 13B), and FIG. As shown in FIG. 13B, the lever 7a is moved to the attachment position side (state shown in FIG. 13C).
  • the locking convex piece 28 of the gripping portion 7 is fitted into the groove-shaped locking portion 32 shown in FIG. 10, and the rotary brush 6 is fixed and moved from its position. It will be in a state that can not be taken out.
  • the outermost end of the lever 7a is in the direction of removing the rotating brush 6,
  • the depth of the concave portion 30 is set so as to be located inside the outermost end portion of the side surface of the main body case 3 where the opening 29 is formed. Therefore, furniture or walls do not collide with the lever 7a during cleaning, and the locking of the rotating brush 6 is not accidentally released, and a floor surface suction tool that is easy to use can be obtained.
  • the convex shape 31 provided in the concave portion 30 is located between the mounting position where the lever 7a moves and the position before mounting, and the convex shape 31 moves (turns) the lever 7a toward the mounting position. Then, since the lever 7a protrudes from the position closest to the concave portion 30 of the main body case 3, the lever 7a contacts the convex shape 31 and rides on with resistance, and moves to the mounting position so as to get over it. become.
  • the convex shape 31 since the convex shape 31 becomes resistance when the lever 7a moves to the removal position, the convex shape 31 prevents the lever 7a from moving to an unintentional removal position and is difficult to come off. This completes the installation.
  • the outermost end of the lever in the direction of removing the rotating brush is more than the outermost end of the side surface of the case where the opening is formed. Since it is located inside, furniture and walls are prevented from colliding with the lever during cleaning and the rotary brush is prevented from being erroneously released, and a floor suction tool that is easy to use can be obtained.
  • a recess is formed around the opening on the side surface where the opening of the case is formed, and when the rotating brush is locked at the mounting position, the lever is accommodated in the recess and the rotating brush is removed. Since it is covered by the side surface of the case in the orthogonal direction, it is suppressed that furniture and walls collide with the lever from the front or rear direction during cleaning, and the release of the rotating brush is erroneously released. An easy-to-use floor suction tool is obtained.
  • the rotating brush is provided with the urging means for urging the grip portion in the direction of removing the rotating brush, and the locking portion for locking the rotating brush at the mounting position is provided inside the opening.
  • the gripping portion is provided with a locking protrusion that is accommodated in the case for engaging the locking portion and locking the rotary brush in the mounting position, so that it becomes easy to grip the gripping portion. Since the rotating brush can be easily taken out, the workability can be improved, and the maintainability of the rotating brush is improved.
  • the groove 25 provided on the cylindrical base 24 of the rotary brush 6 and the protrusion 33 of the remover 11 are formed as shown in FIG. Since it fits into the deepest part of the groove 25 until it is almost in contact, dust such as lint and hair entangled around the cleaning body 27 of the rotary brush 6 and the groove 25 is rotated by the protrusion 33. It is scraped off from the brush 6 and removed.
  • dust such as lint and hair entangled so as to wrap around the cleaning body 27 and the groove 25 of the rotary brush 6 is scooped by the inclined portions 33a and 33b from the tip of each protrusion 33, and the root of each inclined portion. As it goes to the side, it is moved away from the cleaning body 27 and the groove 25. The dust separated to the outside is guided and cut along the blade 33c provided on the inclined portion 33b. At this time, the dust entangled with the rotating brush can be applied to the blade in a stretched state, and the dust is easily cut. Furthermore, since the blade 33c is inclined in the direction away from the cylindrical base body 24 from the tip of the protrusion 33 toward the root, the dust 33 moves so as to rub along the blade 33c and easily cuts the dust.
  • the inner diameter of the remover 11 is smaller than the outer shape of the bristle brush 27 provided on the rotating brush 6 and close to the hairline, so the bristle brush 27 is scraped off by the wall 40, Dust entangled with the bristle brush 27 is scraped off and removed. In this way, dust entangled with the rotating brush 6 in the process of removal can be removed without touching with hands, so that it is hygienic and easy to maintain.
  • the outer case and the drive unit are rotationally driven in the case, and the cleaning body is held on the cylindrical base body via the cleaning body holding part.
  • An opening for attaching or removing the rotating brush to or from the case is formed on the side surface of the case, and the rotating brush is attached to the case through the opening from one end side when attached to the case.
  • a gripping part is provided at one end for gripping when mounting or removing in the case. Is provided with a groove and a cylindrical part formed so as to extend in the axial direction, and the inside of the case removes dust adhering to the rotating brush when the rotating brush is removed.
  • the dust removing means has a blade for cutting the dust entangled with the rotating brush, so that dust such as lint and hair entangled so as to wrap around the rotating brush is placed on the floor of the rotating brush. When it is removed from the surface suction tool, it is completely cut by the blade of the dust removing means, so that the dust can be easily removed from the rotating brush and the maintainability is improved.
  • the dust removing means is formed in substantially the same shape as the gap that is a groove between the cleaning bodies of the rotating brushes or between the cleaning body holding parts, and is removed in the axial direction of the rotating brush while being positioned in the gap.
  • the remover is provided with a protrusion that is disposed corresponding to the groove and extends in the axial direction of the rotating brush, and the protrusion is cylindrical with the upper surface facing the groove gap side surface facing from the tip to the root. As it has an inclined surface that inclines away from the base, it can be applied to the blade in a state where the dust entangled with the rotating brush is stretched, it is easy to cut the dust, and dust entangled with the rotating brush can be easily removed with a light force be able to.
  • the blade is inclined in the direction away from the cylindrical base body from the tip of the protrusion to the base, it becomes easy to cut the dust entangled with the rotating brush, and the dust can be easily removed.
  • the blade is made of a material different from the protrusions, the durability of the blade is improved and the wear of the blade is reduced.
  • the blade since the blade is fixed to the projection by press-fitting, the blade can be manufactured even if the projection and the projection are made of different materials, and can be firmly fixed.
  • the remover is fixedly disposed inside the case, the blade and the wall are fixed against the dust entangled with the rotating brush, so that the dust can be easily cut.
  • the protrusion is positioned on the cylindrical portion of the rotating brush before the other end with respect to one end where the gripping portion of the rotating brush is provided is fitted to the convex portion formed on the bearing portion of the case. It becomes a state which can be freely rotated around the central axis of the rotating brush without being locked by. Therefore, even if the guide opening is displaced around the central axis of the rotating brush with respect to the bearing protrusion, the rotating brush rotates as the rotating brush is pushed in, and the fitting of both becomes easy.
  • the remover and the blade are disposed at a position that is not visually recognized by the gripping portion of the rotary brush and the case, so that the operator of the vacuum cleaner touches the blade accidentally. It is easy to use.
  • the rotating brush has a convex portion between the dust removing means when the rotating brush is attached to the case and the cleaning body holding portion, the dust entangled with the rotating brush during cleaning is removed by the dust removing means. Even if it moves to the side, it can be caught on the convex part, and it can be prevented from moving over the convex part to the dust removing means. Therefore, it is possible to prevent the rotation of the rotating brush from stopping due to the entanglement of the dust with the dust removing means.
  • the vacuum cleaner in Embodiment 1 of this invention connects between said floor surface suction tool, this floor surface suction tool, the electric blower which generate
  • the driving method of the rotary brush has been described by the motor driving method.
  • the rotating brush driving method is not limited to the motor driving method, and may be an air turbine method using the suction air of an electric blower. Can be appropriately selected.
  • the floor surface suction tool according to the present invention can be used in a system that removes dust entangled with the rotating brush with a light force, without sanitizing hands, without raising dust. .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

La présente invention concerne un dispositif d'aspiration pour sol qui élimine la saleté entrelacée dans une brosse tournante. Ce dispositif d'aspiration pour sol est pourvu d'une brosse tournante disposée amovible à l'intérieur d'un boîtier, et d'une unité d'entraînement de la brosse tournante. Le boîtier comporte une ouverture permettant de fixer et de retirer la brosse tournante dans le boîtier. La brosse tournante est insérée à travers l'ouverture lors de la fixation et est retirée à partir de l'ouverture lors du détachement, et comprend une poignée sur une extrémité destinée à être maintenue lors de la fixation ou du détachement dans le boîtier. Une partie rainure et une partie cylindrique sont formées sur le corps de base cylindrique de la brosse tournante de sorte à s'étendre dans la direction axiale. Un moyen (11) d'élimination des poussières est prévu à l'intérieur du boîtier, ledit moyen éliminant, lors du retrait de la brosse tournante, la saleté adhérant à la brosse, et le moyen (11) d'élimination de poussières comportant une lame (33c) qui coupe les poussières entrelacées dans la brosse tournante.
PCT/JP2015/052014 2014-02-07 2015-01-26 Dispositif d'aspiration pour sol et aspirateur électrique pourvu dudit dispositif d'aspiration pour sol WO2015118981A1 (fr)

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TW104103386A TWI608819B (zh) 2014-02-07 2015-02-02 地板面吸入工具以及具有該地板面吸入工具之電動吸塵器

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CN108185908A (zh) * 2017-12-19 2018-06-22 江苏美的清洁电器股份有限公司 用于吸尘器的滚刷和具有该滚刷的吸尘器
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