JP2009131304A - Attachment for vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To shorten the length of the connection part of an attachment body, to perform strong engagement with a connection part for a floor at the end of an extension pipe, and to keep an attachment inside a cleaner body when not using it. <P>SOLUTION: The attachment body 10 has the connection part 11 to a hand grip part 3 or the end of the extension pipe 4 on the root side, a roughly flat part 12 is formed toward the end in the longitudinal direction, and a roughly rectangular suction port 13 is formed at the end. A bend fitting piece 18 biased outward is formed around the connection part 11. Since just the bend fitting piece 18 having a strong holding function is formed at the connection part 11, the length of the connection part 11 is reduced relative to the conventional one. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an attachment for an electric vacuum cleaner that enables cleaning of corners of a room, paper sliding doors and the like as well as grooves and gaps.

  A general electric vacuum cleaner is comprised from the main body provided with the electric blower, the suction part moved along a floor surface, and the flexible hose which connects this main body and a suction part. FIG. 1 is an overall view of an electric vacuum cleaner. A vacuum cleaner main body 1 containing an electric blower for dust collection, a flexible hose 5 connected to the vacuum cleaner main body 1, and a flexible hose 5 The extension pipe 4 to be connected, the hand switch part (not shown) disposed in the hand grip part 3 formed on the extension pipe connection side of the flexible hose 5, the rotating brush, and the rotating brush And a floor suction tool 2 connected to the floor connecting portion 6 of the extension pipe 4.

  Although not shown in the figure, the hand switch part has operation switches for performing various driving operations, for example, a strong switch for increasing the suction capacity, a weak switch for weakening, a cut-off switch for stopping the operation of the vacuum cleaner, and a floor polishing mode. A switch, an operation switch for dust removal means, and the like are provided so as to be selectable.

  When this type of vacuum cleaner is operated, the air blower on the floor is sucked from the suction part by the drive of the electric blower provided in the main body, and the suction is formed in the main body through the connection hose. It is sucked into the main body from the mouth. In the main body, a dust collection chamber is formed that communicates with the suction port and accommodates the paper pack. Dust contained in the intake air in the process of intake air sucked from the suction port passing through the dust collection chamber. Is captured by a paper pack and discharged from a discharge port formed in the dust collecting chamber. The intake air discharged from the discharge port of the dust collecting chamber passes through the inside of the main body and is discharged out of the machine through an exhaust port formed on the back surface of the main body.

  If the groove, gap, etc. are the part to be cleaned, use a gap attachment with a slit-shaped suction port at the tip, and if the corner of the room or the door of the shoji is the part to be cleaned, around the suction port A brush attachment with a brush is used. Therefore, it is necessary to connect the suction port attachment to the hand grip portion or the extension pipe distal end portion of the vacuum cleaner, and it is necessary to hold the suction port attachment firmly to the extension pipe.

  With respect to the conventional suction port attachment for the gap, FIG. 6 will be described with reference to FIG. 7 and the attachment main body and a state in which the attachment main body is attached to the floor connecting portion of the extension pipe. The suction port attachment body 10 has a flat suction port 13 at one end and a connecting portion 11 at the other end, and forms a nozzle 12 whose tip is narrower than the other end in order to clean a gap between furniture and the like. ing. Moreover, the connection part 11 is formed in the substantially circular shape so that it can connect to the connection part for floors of an extension pipe, or the inner periphery of a hand grip part.

  Reference numeral 20 denotes an engaging hole formed at a position on the upper surface side of the connecting portion 11 so that it can be engaged with a convex portion 21 formed on the clamp 22 of the floor connecting portion 6 of the extension pipe. In such a form, in order to attach firmly to the inner periphery of the floor coupling part 6 or the hand grip part 3 without rattling, the length of the connection part 11 of the attachment body 10 needs to be a considerable length. Further, when the storage location of the attachment main body 10 when not in use is determined on the side surface of the extension pipe 4, an appropriate length of the connection portion 11 is required in order to securely attach the attachment body 10 without rattling (for example, patents). Reference 1).

In addition, when a corner of a room or a crosspiece of a shoji is a portion to be cleaned, a brush attachment having a brush around the mouthpiece is used. Another known example introduces such an attachment storage location on the side of the extension pipe. In this case as well, there is shown a configuration for reliably preventing attachment parts from falling due to external impact, and holding the attachment parts stably and securely. It was necessary to make the length (see, for example, Patent Document 2).
JP 2007-185222 A JP 2004-267387 A

  In the conventional suction port attachment, when the groove, gap, etc. are the part to be cleaned, the substantially rectangular suction port of the attachment body is used, and when the corner of the room or the door of the shoji is the part to be cleaned, the attachment When the attachment used with the brush body attached to the front part of the main unit is engaged with the floor grip at the hand grip or the extension pipe tip, the attachment taper fits to absorb the variation in fitting diameter and is free from backlash. In order to attach firmly, it was necessary to lengthen a taper part, and it was necessary to make the length of the connection part of an attachment main body into appropriate length. In addition, fixing the attachment storage location to the main body of the vacuum cleaner is an attachment with a diameter, so that it is difficult to adjust the attachment. When required on the side of the extension pipe, a mechanism for reliably preventing the accessory from falling due to an external impact and holding the accessory stably and securely has become complicated.

  Therefore, the present invention can shorten the length of the connection portion of the attachment main body, and when the attachment is engaged with the hand grip portion or the floor connecting portion at the tip of the extension pipe, it can be securely attached without rattling. An object of the present invention is to provide an attachment for a vacuum cleaner that can form a storage place when not in use in a vacuum cleaner body.

  In order to solve the above problems, an attachment for a vacuum cleaner according to claim 1 of the present invention includes a vacuum cleaner main body, a hose having one end connected to the vacuum cleaner main body and a hand grip at the other end, and the hose. The hand grip part in an electric vacuum cleaner comprising: an extension pipe whose one end is detachably connected to the hand grip part of the hand; and a floor connecting part at the tip of the extension pipe and a floor suction tool detachably connected Or an attachment for a vacuum cleaner that is detachably engaged with a floor connecting portion at the end of the extension pipe, and has a connection portion that engages with the hand grip portion or the tip of the extension pipe on the base side of the attachment. An attachment body with a substantially rectangular suction port at the tip that is substantially flat toward the front in the longitudinal direction, and a brush body that can be detachably pivoted at the tip of the attachment body And a structure in which a deflection fitting piece that Henryoku outward around the connecting portion of the attachment body.

  The attachment for a vacuum cleaner according to claim 2 of the present invention includes a vacuum cleaner body, a hose having one end connected to the vacuum cleaner body and a hand grip at the other end, and one end attached to and detached from the hand grip of the hose. In a vacuum cleaner comprising an extension pipe that is freely connected, a floor connecting portion at the tip of the extension pipe, and a floor suction tool that is detachably connected to the floor of the hand grip or the tip of the extension pipe An attachment for a vacuum cleaner that is detachably engaged with a connecting portion, wherein the attachment body is formed with a suction port on one end side and a connection portion on the other end side to be engaged with the hand grip portion or the distal end portion of the extension pipe, A brush body pivotally supported in the vicinity of the suction port of the attachment main body is provided, and a flexure fitting piece biased outward is provided at the connection portion.

  The attachment for a vacuum cleaner according to claim 3 of the present invention is the attachment for a vacuum cleaner according to any one of claim 1 or claim 2, wherein the flexure fitting piece of the connection portion of the attachment body is the connection. It was set as the structure provided facing the part.

  In this way, when the attachment is engaged with the floor grip at the hand grip or the extension pipe tip, the length of the connection portion of the attachment body can be shortened, and there is a variation in the fitting diameter in the taper fitting of the attachment. Absorbs and does not rattle, and it is not necessary to lengthen the taper portion and can be firmly attached. In addition, the attachment storage location can be fixed to the main body of the vacuum cleaner, and it is possible to reliably prevent the accessory from falling due to an external impact, and to stably and securely hold the accessory.

  The attachment for a vacuum cleaner according to a fourth aspect of the present invention is the attachment for a vacuum cleaner according to any one of the first to third aspects, wherein the attachment for the vacuum cleaner is formed in a substantially flat shape from the connection portion to the suction port, It was set as the structure which formed the bending fitting piece in the position formed in flat shape.

  Thus, since the position where the flexible fitting piece is formed is a position separated from the main body of the attachment, the connecting portion is easily deformed, and the attachment can be held using the elasticity of the connecting portion itself. Can be held more reliably.

  The attachment for a vacuum cleaner according to claim 5 of the present invention is the attachment for a vacuum cleaner according to any one of claims 1 to 3, wherein the attachment is formed in a substantially flat shape from the connection portion to the suction port. A stepped portion was formed between the two, a leakage hole was formed in the stepped portion, and the flexible fitting piece was formed in the vicinity of the leakage hole.

  Thus, since the leakage hole is formed, the connecting portion is easily deformed, the attachment can be held using the elasticity of the connecting portion itself, and the attachment can be held more securely.

  An attachment for a vacuum cleaner according to a sixth aspect of the present invention is the attachment for a vacuum cleaner according to any one of the first to fifth aspects, wherein the connection portion is attached to an attachment storage portion formed in the main body of the vacuum cleaner. It was set as the structure hold | maintained with the elastic force of a bending fitting piece.

  An attachment for a vacuum cleaner according to a seventh aspect of the present invention is the attachment for a vacuum cleaner according to any one of the first to sixth aspects, wherein an axial length of the connection portion is defined as an outer diameter of the connection portion. Formed in smaller dimensions.

  In this way, the axial length of the connecting part can be shortened, a storage space can be secured under the upper cover of the vacuum cleaner body, and it can be stored and stored in it, and it can be prevented from dropping due to an impact. it can.

  As described above, the attachment for an electric vacuum cleaner according to the present invention uses the substantially rectangular suction port of the attachment body when the groove, gap, etc. are the part to be cleaned. If the attachment used by attaching a brush body to the tip of the attachment body is engaged with the floor grip at the hand grip or the extension pipe tip, the length of the connection portion of the attachment body is set. It can be shortened, and the attachment taper fitting can absorb the variation of the fitting diameter and is not loose, and can be firmly attached without having to lengthen the taper portion. In addition, the attachment storage location can be fixed to the main body of the vacuum cleaner, and it is possible to reliably prevent the accessory from falling due to an external impact, and to stably and securely hold the accessory.

  Embodiments of the present invention will be described below. FIG. 2 is a perspective view of an attachment for a vacuum cleaner of the present invention. In the figure, the attachment main body 10 has a connection portion 11 to the distal end portion of the hand grip portion 3 or the extension pipe 4 on the base side, and a substantially flat portion 12 is formed toward the front in the longitudinal direction. A substantially rectangular suction port 13 is formed. The axial length of the connecting portion 11 is formed to be smaller than the outer diameter of the connecting portion.

  A pivot shaft 19 for pivotally supporting the brush body is provided at the distal end portion of the substantially flat portion 12 of the attachment body 10, and a bending fitting piece 18 biased outward is provided around the connection portion 11. Is formed. The bending fitting piece 18 performs a minimum function even if it is formed at one place in the connecting portion 11, but when the attachment main body 10 is engaged with the hand grip portion 3 or the floor connecting portion 4 at the tip of the extension pipe, In order to connect firmly, two or more pluralities can be formed on the symmetry plane of the connecting portion 11. Thus, since it is only necessary to form the bending fitting piece 18 having a strong holding function in the connection portion 11, the length of the connection portion 11 can be made shorter than that of the conventional one.

  An intake air leakage hole 17 is provided on the base side of the attachment body 10. The intake air leakage hole 17 prevents the speed of intake air from the surface to be cleaned of the attachment main body 10 from becoming excessive when the vacuum cleaner sucks air strongly, and when the suction port 13 is clogged, the electric motor It is formed to serve to prevent overloading.

  FIG. 3 is a perspective view of another attachment of the present invention. Description of the same members as those in FIG. 2 is omitted. A brush body 14 is pivotally attached to a pivot shaft 19 at the front portion of the attachment body 10 so as to be rotatable. The brush body 14 has an opening and a brush frame 15 on the front, upper and rear sides corresponding to the suction mouth 13, and a brush 16 usually made of hair is implanted in the rear opening of the brush frame 15. ing. When this brush is used, the brush body 14 is rotated around the pivot 19 toward the suction port. An intake air leakage hole 17 is provided on the base side of the attachment body 10. Also in this example, since it is only necessary to form the bending fitting piece 18 having a strong holding function in the connection portion 11, the length of the connection portion 11 can be made shorter than the conventional one. The axial length of 11 is formed to be smaller than the outer diameter of the connecting portion.

  FIG. 4 is an engagement view of the connecting portion 11 of the attachment body 10 with the brush and the floor connecting portion 6 at the tip of the extension pipe, FIG. 4 (A) is a side view, and FIG. 4 (B) is a cross-sectional view along AA. is there. The connection portion 11 of the attachment main body 10 is inserted inside the floor connecting portion 6 at the tip of the extension pipe against the outward bias of the bending fitting piece 18 formed around the connection portion 11. The bending fitting piece 18 biased outward at a predetermined position is pressed and adhered to the inner surface of the floor connecting portion 6. At this time, since there is bending of part a between the inside of the connecting portion 6 for floor and the outer diameter of the connecting portion 11, the fitting allowance increases, and the taper fitting of the attachment 10 causes variations in the fitting diameter. Absorb and firmly connect and hold both.

  Next, FIG. 5 is a top view of the cleaner body 1, and an embodiment will be described in which the storage location is formed in the cleaner body when the attachment of the present invention is not used. A space is formed in the upper surface cover 30 of the vacuum cleaner main body 1, and the attachment main body 10 having a short length of the connecting portion 11 of the present invention is accommodated therein. An outwardly biased bending fitting piece 18 formed in the connection portion 11 of the attachment main body 10 is fitted into a holding member 32 formed in the upper surface cover 30 and can be pressed and held tightly. it can. Thereafter, the storage is completed by closing the transparent or opaque upper lid 31. Thus, by shortening the length of the connecting portion 11 of the attachment main body 10 of the present invention, it becomes possible to store and store in the vacuum cleaner main body 1 and to secure a storage and storage place and prevent dropping due to an impact. .

  In the above description, the embodiment in which the fitting mechanism is applied to the attachment of the present invention has been described. However, it is obvious that the fitting mechanism can also be applied to an ordinary floor suction tool or other tapered fitting portion of a vacuum cleaner.

The whole schematic diagram of a vacuum cleaner. The perspective view of the attachment for vacuum cleaners of this invention. The perspective view of the attachment for other vacuum cleaners of this invention. The engagement figure of the connection part of the attachment main body of this invention, and the connection part for floors of an extension pipe. The embodiment figure which stores the attachment of the present invention in the vacuum cleaner body. The perspective view of the attachment for the conventional vacuum cleaner. The engagement figure of the connection part of the conventional attachment main body, and the connection part for floors of an extension pipe.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner body 2 Floor suction tool 3 Hand grip part 4 Extension pipe 5 Flexible hose 6 Floor connection part
DESCRIPTION OF SYMBOLS 10 Attachment main body 11 Connection part 12 Substantially flat part 13 Substantially rectangular suction port 14 Brush body 15 Brush frame 16 Brush 17 Inlet leak hole 18 Deflection fitting piece 19 Pivoting shaft 20 Engagement hole 21 Convex part 22 Clamp 30 Cleaning Machine body top cover 31 Upper lid 32 Holding member

Claims (7)

  A vacuum cleaner main body, a hose having one end connected to the vacuum cleaner main body and a hand grip portion at the other end, an extension pipe having one end detachably connected to the hand grip portion of the hose, and a tip of the extension pipe An attachment for a vacuum cleaner, which is detachably engaged with the floor connecting portion at the hand grip portion or the extension pipe tip portion in a vacuum cleaner comprising a floor connecting portion and a floor suction tool that is detachably connected. In addition, a suction port is formed on one end side, and a connection portion is formed on the other end side to be engaged with the hand grip portion or the extension pipe tip portion, and a flexure fitting piece biased outward is provided in the connection portion. An attachment for a vacuum cleaner characterized by that.   A vacuum cleaner main body, a hose having one end connected to the vacuum cleaner main body and a hand grip portion at the other end, an extension pipe having one end detachably connected to the hand grip portion of the hose, and a tip of the extension pipe An attachment for a vacuum cleaner, which is detachably engaged with the floor connecting portion at the hand grip portion or the extension pipe tip portion in a vacuum cleaner comprising a floor connecting portion and a floor suction tool that is detachably connected. An attachment body is formed on one end side and a connection portion is formed on the other end side to be engaged with the hand grip portion or the extension pipe tip portion, and a brush pivotally supported near the suction opening of the attachment body An attachment for a vacuum cleaner comprising a body and provided with a bending fitting piece biased outwardly at the connecting portion.   The attachment for a vacuum cleaner according to claim 1 or 2, wherein the flexure fitting piece of the connection portion of the attachment body is provided opposite to the connection portion.   The vacuum cleaner according to any one of claims 1 to 3, wherein the connecting portion and the suction port are formed in a substantially flat shape, and the flexible fitting piece is formed in a flat formed position. Attachment for.   It is formed in a substantially flat shape from the connection portion to the suction port, a step portion is formed between the connection portion, a leak hole is formed in the step portion, and the flexible fitting piece is formed in the vicinity of the leak hole. The attachment for a vacuum cleaner according to any one of claims 1 to 3.   The attachment for an electric vacuum cleaner according to any one of claims 1 to 5, wherein the attachment housing portion formed in the main body of the vacuum cleaner is held by an elastic force of a bending fitting piece of the connection portion.   The attachment for a vacuum cleaner according to any one of claims 1 to 6, wherein an axial length of the connecting portion is formed to be smaller than an outer diameter of the connecting portion.

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