JP5161689B2 - Floor nozzle for vacuum cleaner and electric vacuum cleaner - Google Patents

Description

  The present invention relates to a floor nozzle for a vacuum cleaner and a vacuum cleaner using the same.

  Conventionally, as a rotary rotor of this type of cleaning device, a rotor, a cleaning body having one end held by the rotor, and a dust extrusion body that forms a loop-shaped portion so as to cover the cleaning body are provided. Yes (Patent Document 1). Another rotating rotor includes a rotor and a plurality of cleaning bodies mounted in the longitudinal direction of the outer periphery of the rotor, and one of the cleaning bodies is formed with a loop-like scooping whip. (Patent Document 2).

Another rotating rotor includes a rotor and a plurality of cleaning bodies, and one of the cleaning bodies is constituted by a channel brush, and the cleaning body is inserted into a spiral groove formed in the rotor. (Patent Document 3). Further, as another rotating rotor, a cleaning member constituting the rotating rotor sews a string-like attachment member at both longitudinal edges of a belt-like body having a predetermined width obtained by bending a long fiber bundle in a meandering manner. The cleaning body is folded back in the vicinity of the center in the width direction, and the attachment members on both edges are inserted into and fixed to the plurality of support grooves opened on the outer periphery of the rotor, thereby fixing the cleaning body. There exists what formed the loop pile part in the free end (patent document 4).
JP 2007-163111 A JP 2007-14370 A JP 2006-326249 A JP 2002-517 A

  However, in the rotary rotor disclosed in the above-mentioned Patent Document 1, although the bases of the two cleaning bodies can be inserted and fixed in one groove of the rotor, the groove has to be enlarged. I had to make it bigger. In addition, it is necessary to take measures to prevent the cleaning body from coming off from the rotor. Further, in the rotary rotor disclosed in Patent Document 2, the loop-shaped scraping whip has only a function of scraping carpet dust, and is not suitable for wiping flooring or tatami mats. Moreover, in the rotary rotor disclosed in Patent Document 3, since the loop is not formed at the tip of the cleaning body, it is not suitable for wiping flooring or tatami mats, and the cleaning function is limited. On the other hand, the rotary rotor disclosed in Patent Document 4 can cope with flooring and wiping of tatami mats, but is not suitable for removing dust adhering to the carpet.

  The present invention solves the above-described conventional problems, and can remove dust attached to the surface to be cleaned of the carpet, and can also perform flooring and wiping of tatami mats. An object of the present invention is to provide a floor nozzle for a vacuum cleaner and a vacuum cleaner that can prevent the cleaning body from coming out of the rotor without increasing the diameter of the vacuum cleaner.

  In order to achieve the above object, the invention of claim 1 is a floor nozzle for a vacuum cleaner that is connected so as to communicate with a vacuum cleaner main body incorporating an electric blower and rotatably houses a rotary rotor that scrapes up dust. The rotating rotor comprises a rotor and a plurality of cleaning bodies mounted in each of a plurality of insertion grooves formed in the longitudinal direction of the outer periphery of the rotor, and at least one of the cleaning bodies is a loop shape. And retaining pieces are formed on at least one side in the longitudinal direction in the vicinity of both ends of the loop-shaped cleaning body, and the retaining pieces are formed in one of the insertion grooves, and The first and second groove portions having different distances from the axis of the rotor are respectively fitted to the first groove portion and the second groove portion. Therefore, since one of the cleaning bodies can be formed in a loop shape, dust attached to the surface to be cleaned of the carpet can be removed, and flooring and tatami mats can be wiped off by another cleaning body. Can do. In addition, since the first groove portion and the second groove portion are arranged at different positions from the axis of the rotor, the distance in the width direction between the first groove portion and the second groove portion can be shortened. The diameter of the rotor can be reduced, and the cleaning body can be prevented from coming off from the rotor.

  The invention according to claim 2 is characterized in that, in the invention according to claim 1, the loop-shaped cleaning body has a raised cloth located on the front side and a base portion on which the raised cloth is implanted is located on the back side. Therefore, the cleaning body can be easily manufactured, and dust attached to the surface to be cleaned of the carpet can be surely removed by the raised cloth.

  The invention of claim 3 is characterized in that, in the invention of claim 1 or 2, the retaining pieces are respectively formed on the front side and the back side of the cleaning body. Accordingly, when the retaining piece closer to the axis of the rotor is pulled to the outside of the groove, it comes into contact with the other retaining piece, so that the cleaning body can be prevented from coming off the rotor.

  The invention of claim 4 is characterized in that, in any one of claims 1 to 3, the plurality of insertion grooves formed in the longitudinal direction of the outer periphery of the rotor are formed in a spiral shape. Therefore, the dust adhering to the cleaning body can be collected in one direction according to the direction of the spiral, and this dust can be reliably collected from the suction port of the cleaner.

  The invention of claim 5 is an electric fan equipped with an electric blower that generates a suction force, a dust collection chamber that collects dust, and a floor nozzle for a vacuum cleaner according to any one of claims 1 to 4. Characterized by a vacuum cleaner. Therefore, since one of the cleaning bodies can be formed in a loop shape, dust attached to the surface to be cleaned of the carpet can be removed, and flooring and tatami mats can be wiped off by another cleaning body. Can do. Further, since the first groove portion and the second groove portion are arranged at positions where the distance from the axial center of the rotor is different, the diameter of the rotor can be reduced and the cleaning body is prevented from coming off from the rotor. be able to. Furthermore, the cleaning body is easy to manufacture, and the dust attached to the surface to be cleaned of the carpet can be surely removed by the raised cloth, and the dust adhering to the cleaning body is collected in one direction according to the direction of the spiral. The vacuum cleaner is equipped with a floor nozzle that can reliably collect the dust from the suction port of the vacuum cleaner.

  According to the first aspect of the present invention, dust attached to the surface to be cleaned of the carpet can be removed, and flooring and tatami mats can be wiped off, so that the dust removal performance can be improved. Further, the cleaning body can be prevented from coming off from the rotor, and the rotor diameter can be reduced. Further, according to the invention of claim 2, the cleaning body can be easily manufactured, and dust attached to the surface to be cleaned of the carpet can be surely removed by the raised cloth. Moreover, according to the invention of claim 3, it is possible to reliably prevent the cleaning body from coming off the rotor. According to the invention of claim 4, dust attached to the cleaning body can be collected in one direction according to the direction of the spiral, and this dust can be reliably collected from the suction port of the cleaner. Furthermore, according to the invention of claim 5, it is possible to provide a vacuum cleaner provided with a floor nozzle capable of producing the effects of the above-described claims 1 to 4.

  Below, the floor nozzle for vacuum cleaners in this invention is demonstrated using figures. FIG. 1 is a partially broken perspective view of a floor nozzle for a vacuum cleaner according to the present invention. In FIG. 1, reference numeral 10 denotes a vacuum cleaner floor nozzle that is connected to a vacuum cleaner (not shown), and its outer shell 11 includes an upper case 12 and a lower case 14 having a suction port 13 on the lower surface. A bumper 15 is provided on the outer periphery of the floor nozzle 10 to prevent the furniture and the like from being damaged during cleaning. The rotary rotor 16 is rotatably accommodated in the front portion and communicates with the suction port 13. A rotating rotor chamber 17 is arranged.

  A connecting pipe 18 connected to an electric vacuum cleaner (not shown) is attached to the rear portion of the floor nozzle 10 via an extension pipe (not shown) so as to be tiltable. Reference numeral 20 denotes a traveling roller provided in pairs at the front and rear of the bottom surface of the lower case 14, and when the floor nozzle 10 is placed on a surface to be cleaned such as a wooden floor, the surface to be cleaned and the lower case 14 are disposed. A predetermined gap is secured between the bottom surface of the nozzle and the bottom of the floor nozzle 10 is brought into close contact with the surface to be cleaned by the suction force of the vacuum cleaner so that the operability is not deteriorated.

  Reference numeral 21 denotes a suction port that is located substantially in the center of the floor nozzle 10 and behind the rotary rotor 16 and communicates the rotary rotor chamber 17 and the connecting pipe 18. Reference numeral 22 denotes an electric motor serving as a driving unit that rotationally drives the rotary rotor 16 via the belt 23.

  FIG. 2 is a cross-sectional view of the rotary rotor 16 used in the floor nozzle of the present invention. As shown in FIG. 2, the rotor 4 constituting the rotary rotor 16 has six grooves into which the cleaning bodies 1 and 3 and the blade 2 are inserted. In the groove portions formed in four of them, a retaining portion into which the base of the cleaning body 3 and the blade 2 is inserted is formed on the left and right so that the distance from the rotor shaft center is equal. In the flooring or tatami mat, the cleaning body 3 and the blade 2 capable of providing a wiping effect are inserted and fixed. On the other hand, in the groove portions 5 formed in the other two locations, a first groove portion 5a and a second groove portion 5b having different distances from the axis of the rotor 4 are formed.

  The cleaning body 1 is formed in a loop shape, and retaining pieces 1c are formed on both surfaces in the longitudinal direction in the vicinity of both ends of the loop-shaped cleaning body 1. The retaining pieces 1c are formed inside the insertion groove 5 and are respectively fitted to a first groove portion 5a and a second groove portion 5b that are different in distance from the axis of the rotor 4. Therefore, when the retaining piece 1c of the first groove portion 5a close to the axis of the rotor 4 is pulled outside the groove 5, the retaining member 1c of the other second groove portion 5b comes into contact with the cleaning member 1 Can be reliably prevented from coming off from the rotor 4.

  FIG. 3 is a perspective view of the rotor 4 used in the floor nozzle of the present invention. As described above, the rotor 4 has six groove portions into which the cleaning bodies 1, 2, and 3 are inserted. The groove portions formed in the four portions of the rotor 4 include the cleaning body 3 and the blade 2. The retaining portion into which the base portion is inserted is formed on the left and right so that the distance from the axis of the rotor is equal. And the groove part 5 formed in the other two places is formed with a first groove part 5a and a second groove part 5b having different distances from the axis of the rotor 4. Further, the groove 5 is twisted in a spiral at a predetermined angle to form a spiral 4a.

  FIG. 4 is a perspective view showing a state in which the loop-shaped cleaning body 1 used for the floor nozzle of the present invention is placed on a flat surface. As shown in this figure, in the cleaning body 1, a raised cloth 1b is planted on a base 1a, and retaining pieces 1c are fixed to the front side and the back side in the vicinity of both ends of the base 1a. And as shown in FIG. 2, when setting it as the shape of the loop-shaped cleaning body 1, a loop is formed so that the surface where the raising cloth 1b is flocked may be located in the front side.

  FIG. 5 is a cross-sectional view of another rotating rotor 16 used in the floor nozzle of the present invention. The rotary rotor 16 shown in FIG. 5 has a retaining piece 1 c formed on one side in the longitudinal direction in the vicinity of both ends of the loop-shaped cleaning body 1. The retaining pieces 1c are formed inside the insertion groove 5 and are respectively fitted to a first groove portion 5a and a second groove portion 5b that are different in distance from the axis of the rotor 4.

  FIG. 6 is an explanatory view showing an embodiment in which positioning pieces 6, 6a, 6b are installed in the vicinity of the retaining piece 1c. In FIG. 6A, a positioning piece 6 having a square cross section is fixed to the opposite side of the base 1a to which the retaining piece 1c that fits into the first groove 5a is fixed. Thus, by comprising, the retaining piece 1c fitted to the 2nd groove part 5b contacts the upper part of the positioning piece 6, and positioning is made. Similarly in FIG. 6B, a semi-circular positioning piece 6a is fixed on the opposite side of the base 1a to which the retaining piece 1c that fits into the first groove 5a is fixed. Thus, by comprising, the retaining piece 1c fitted to the 2nd groove part 5b contacts the upper part of the positioning piece 6a, and positioning is made. Similarly, as shown in FIG. 6C, a positioning piece 6b is fixed to the opposite side of the base portion 1a to which the retaining piece 1c that fits into the first groove 5a is fixed, and the positioning piece 6b It is also possible to adopt an embodiment that fits with a part of the retaining piece 1d. By adopting these configurations, positioning can be performed before the loop-shaped cleaning body 1 is fitted into the first groove portion 5a and the second groove portion 5b of the rotor 4, so that the rotary rotor 16 can be positioned. The manufacturing operation can be easily performed.

  FIG. 7 is a diagram showing an overall configuration of the electric vacuum cleaner of the present invention. In FIG. 7, the vacuum cleaner 40 in the present embodiment includes a dust collection chamber 41 that collects dust at the front portion, and a vacuum cleaner body 44 that includes an electric blower chamber 43 that incorporates an electric blower 42 at the rear portion. A hose 45 having one end connected to the cleaner body 44 so as to communicate with the dust collection chamber 41, and an extension pipe 47 having one end detachably connected to a handle pipe 46 provided at the other end of the hose 45. The floor suction tool 10 described in the first embodiment is connected to the other end of the extension pipe 47. The handle pipe 46 is provided with a main body switch 46 a for operating the cleaner main body 44 and a suction tool switch 46 b for operating the electric motor 22 built in the floor suction tool 10.

  The operation and action of the vacuum cleaner configured as described above are as follows. Pull out the power cord (not shown) housed in the vacuum cleaner main body 44, insert the plug (not shown) into an indoor outlet (not shown), the main body switch 46a provided on the handle pipe 46, the suction When the appliance switch 46b is operated, the operation of the electric blower 42 and the electric motor 22 in the floor suction device 10 starts, and accordingly, the cleaning body 1 of the rotating rotor 16 that rotates from the suction port 13 provided at the bottom of the suction device 10 is started. The dust on the surface to be cleaned picked up in steps 2 and 3 is sucked together with the outside air and reaches the dust collecting chamber 41 through the extension pipe 47, the handle pipe 46, and the hose 45, and the dust contained in the suction air there. The collected and cleaned air is exhausted from an exhaust port (not shown) provided in the rear part of the cleaner main body 44.

  As described above, the floor nozzle for a vacuum cleaner according to the present invention is very excellent in dust removal performance, and is not limited to a vacuum cleaner, but collects dust and other objects using a rotating member. Applicable to various equipment to be collected.

The partially broken perspective view of the floor nozzle for vacuum cleaners concerning this invention. Sectional drawing of the rotary rotor used for the floor nozzle of this invention. The perspective view of the rotor used for the floor nozzle of this invention. The perspective view which shows the state which put the loop-shaped cleaning body on the plane. Sectional drawing of the other rotating rotor used for the floor nozzle of this invention. Explanatory drawing which shows embodiment which installed the positioning piece in the vicinity of the retaining piece. The figure which shows the whole structure of the vacuum cleaner of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Loop-shaped cleaning body 1a Base part 1b Brushed cloth 1c, 1d Stopping piece 2 Blade 3 Cleaning body 4 Rotor 4a Spiral part 5 Insertion groove 5a First groove part 5b Second groove part 6, 6a, 6b Positioning piece

Claims (5)

  A floor nozzle for a vacuum cleaner that is connected so as to communicate with an electric vacuum cleaner main body including an electric blower and that rotatably houses a rotary rotor that scrapes up dust. The rotary rotor includes a rotor and an outer periphery of the rotor A plurality of cleaning bodies mounted in each of a plurality of insertion grooves formed in the longitudinal direction of the at least one of the cleaning bodies, at least one of the cleaning bodies is formed in a loop shape, and both ends of the loop-shaped cleaning body A retaining piece is formed on at least one side in the longitudinal direction of the vicinity, and the retaining piece is formed inside one of the insertion grooves and has a first groove portion having a different distance from the axis of the rotor. A floor nozzle for a vacuum cleaner, which is fitted to each of the second groove portions.   2. The floor nozzle for a vacuum cleaner according to claim 1, wherein the loop-shaped cleaning body has a raised cloth on the front side, and a base on which the raised cloth is planted is located on the back side.   The floor nozzle for a vacuum cleaner according to claim 1 or 2, wherein the retaining pieces are respectively formed on the front side and the back side of the cleaning body.   The floor nozzle for a vacuum cleaner according to any one of claims 1 to 3, wherein the plurality of insertion grooves formed in the longitudinal direction of the outer periphery of the rotor are formed in a spiral shape.   The electric vacuum cleaner provided with the electric blower which generate | occur | produces suction force, the dust collection chamber which collects dust, and the floor nozzle for vacuum cleaners of any one of Claims 1-4.

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