JP2006129921A - Electric vacuum cleaner - Google Patents

Abstract

A vacuum cleaner with reduced manufacturing costs is provided.
A switch 13 for turning on / off power supply to an electric blower 3 is provided in a power cord 23, and a switch receiving portion 63 to which the switch 13 can be detachably attached is provided with a grip portion 62 of a grip tube portion 7 provided on an extension pipe. Since it is not necessary to provide a complicated mechanism such as a current-carrying part for electrically connecting the switch 13 and the electric blower 3 in an extension pipe that can be attached to and detached from the cleaner body 2, the configuration is simplified. Manufacturing cost can be reduced.
[Selection] Figure 1

Description

  The present invention relates to a vacuum cleaner provided with a switch for turning on / off power feeding to an electric blower.

  2. Description of the Related Art Conventionally, an upright type vacuum cleaner is provided with a longitudinal vacuum cleaner main body at the top and bottom of which an electric blower is accommodated. A control circuit capable of controlling the driving of the electric blower is provided in the cleaner body. In addition, a floor brush is connected to the suction side of the electric blower at the lower portion of the cleaner body, and a dust collecting portion is provided between the floor brush and the suction side of the electric blower. Furthermore, the handle | steering-wheel part which can be hold | gripped by the operator and can operate a cleaner main body is provided in the upper part of the cleaner main body so that folding is possible. The handle portion is provided with a switch for turning on / off the power supply to the electric blower (see, for example, Patent Document 1).

  In such an electric vacuum cleaner, it was relatively easy to energize the control circuit on the main body side of the vacuum cleaner body with the switch of the foldable handle part.

On the other hand, in order to improve usability, at least the tip of the vacuum cleaner body can be attached and removed, and the vacuum cleaner body is operated with this extension pipe attached to the vacuum cleaner body. There is an upright type vacuum cleaner equipped with a hand control unit that enables it.
JP 2003-204907 A (page 3, FIG. 1)

  However, in the above-described electric vacuum cleaner, for example, a mechanism such as a contact portion for connecting the control circuit on the vacuum cleaner main body side and the hand operating portion must be provided in the connection portion between the extension pipe and the vacuum cleaner main body. However, the configuration is complicated, and it is difficult to suppress the manufacturing cost.

  This invention is made | formed in view of such a point, and it aims at providing the vacuum cleaner which suppressed manufacturing cost.

  The present invention is provided in a power cord for supplying power to an electric blower, communicates with a switch for turning on / off the supply of power to the electric blower, and a suction side of the electric blower, and an extension tube having at least a tip portion removable from the cleaner body. A hand-operated part that is provided on the extension pipe and that can be operated with the extension pipe attached to the main body of the cleaner, and a hand-operated part that is provided on the hand-operated part and can be detachably attached to the switch. And a switch receiving portion.

  According to the present invention, the power cord is provided with a switch for turning on and off the power supply to the electric blower, and the switch receiving portion to which the switch can be detachably attached is provided with the extension pipe whose at least the tip portion is detachable from the cleaner body. Since it is not necessary to provide a mechanism for electrically connecting the switch and the electric blower in the extension pipe or the like, it is possible to simplify the configuration and suppress the manufacturing cost.

  Hereinafter, the configuration of a vacuum cleaner according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4.

  1 and 2, reference numeral 1 denotes an upright type vacuum cleaner. The vacuum cleaner 1 includes a longitudinal vacuum cleaner body 2 along the vertical direction. The electric blower 3 is accommodated on the lower side, and a dust cup 4 as a dust collecting portion is detachably attached above the electric blower 3. Further, the vacuum cleaner main body 2 has a hose body 5 communicating with the upstream side of the dust cup 4, that is, the suction side, connected to the upper part on the rear side. A connecting pipe part 6, a grip pipe part 7 as a hand operating part, and a pipe-like extension pipe 8 are sequentially connected in communication. Furthermore, the distal end portion of the extension pipe 8 is detachably inserted into the upper end portion of the cylindrical receiving portion 9 provided at the lower rear side of the cleaner body 2. The lower end portion of the receiving portion 9 is connected to the downstream side of the floor brush 11 serving as a suction port body, that is, the base end portion on the exhaust side, and the floor brush 11 is relatively connected to the cleaner body 2. It is provided so that it can rotate in the front-rear direction.

  The vacuum cleaner body 2 is provided with an arc-shaped handle portion 12 at the upper end portion that enables the vacuum cleaner 1 to be carried. At the upper part of the handle portion 12 is provided a body side switch receiving portion 14 which is a switch holder to which a switch 13 which will be described later can be detachably attached in a longitudinal direction along the left-right direction which is the width direction of the cleaner body 2. It has been. That is, as shown in FIG. 4, the main body side switch receiving portion 14 is provided at a position for gripping the cleaner main body 2 when cleaning a high position or the like.

  Further, as shown in FIGS. 1 and 2, an extension pipe fixing portion 15 that detachably fixes the extension pipe 8 is provided on the rear upper part of the cleaner body 2. The extension tube fixing portion 15 is provided with an attachment / detachment button 16 that is operated when the extension tube 8 is removed. Further, a plurality of elongated exhaust holes 17 communicating with the exhaust side of the electric blower 3 are formed in the rear part of the cleaner body 2. A semicircular fitting arc 18 along the cross-sectional shape of the extension tube 8 is cut out along the longitudinal direction of the cleaner body 2 at the rear part of the cleaner body 2.

  The electric blower 3 is accommodated in the cleaner body 2 with the suction side facing upward. The electric blower 3 communicates with the dust cup 4 on the suction side. Further, the electric blower 3 is driven by being supplied with power from an external power source (not shown) by a power cord 23 drawn and wound around a cord reel 22 rotatably provided at the rear part of the cleaner body 2. The

  Here, the power cord 23 has a plug portion 24 at a distal end portion, and a switch 13 is provided at a position closer to the proximal end side than the plug portion 24. The switch 13 is formed in a longitudinal shape along the power cord 23, and for example, is slid in the longitudinal direction to turn on / off the power supply to the electric blower 3.

  Further, the dust cup 4 collects the dust sucked together with the air from the floor brush 11 or the like by driving the electric blower 3 so as to separate and collect it from the air as shown in FIG. In addition, a dust collecting container 31 provided in a concave shape at the front part of the cleaner body 2 is detachably provided. A dust collecting cup, that is, a cup body 32 and a dust filter part 33 detachably attached to the cup body 32 are provided. And have.

  The dust collection portion 31 has a suction communication port 37 facing the dust filter portion 33 and communicating with the suction side of the electric blower 3 and a hose body communication port 38 communicating with the downstream side of the hose body 5 along the front-rear direction. Have been drilled.

  A main body filter 41 is detachably provided at the suction communication port 37. A seal packing 42 for attaching the suction communication port 37 to the dust cup 4 in an airtight manner is attached around the suction communication port 37.

  On the other hand, the hose body communication port 38 is formed to have a substantially circular shape when viewed from the front, is positioned closer to the upper side of the dust collecting housing portion 31, and faces the dust filter portion 33. An upper seal packing 43 that connects the hose body communication port 38 to the dust cup 4 in an airtight manner is attached around the hose body communication port 38.

  The cup body 32 is a portion where collected dust is stored, and is formed so as to cover the front portion of the dust collection housing portion 31 with, for example, a synthetic resin. A dust filter portion 33 is attached to and detached from the rear portion of the cup body 32, and is attached to the dust collection housing portion 31 so as to sandwich the dust filter portion 33 with the dust collection housing portion 31.

  Furthermore, an opening / closing lid (not shown) that allows opening and closing of the inside of the cup body 32 is provided at the lower portion of the cup body 32, and the opening / closing lid can be opened and closed by an opening / closing button 45 provided at the lower portion of the cup body 32. It has become.

  A notch fitting portion 46 is cut out along the front-rear direction on the rear side of the upper portion of the cup body 32. The notch fitting portion 46 is provided on an upper portion of the dust collecting housing portion 31 and is fitted to a dust cup attaching / detaching button 47 that allows the dust cup 4 to be attached to and detached from the dust collecting housing portion 31.

  Further, the dust filter portion 33 has a vent hole 52 formed in the lower portion along the front-rear direction, and a communication cylinder portion 53 provided in the upper portion.

  The vent hole 52 is airtightly connected to the suction communication port 37 in a state where the dust cup 4 is attached to the dust collecting housing portion 31. The vent hole 52 allows air passing through the dust cup 4 to pass through. A pleated pleat filter 55 for collecting the contained dust is attached.

  Furthermore, the communication cylinder part 53 is formed in the substantially cylindrical shape along the front-back direction, and is diameter-reduced from the rear side to the front side. In addition, the communication cylinder portion 53 has a plurality of air intake holes 56 formed around it, and a mesh-like net filter 57 that collects dust contained in the air sucked into the cup body 32 is provided in the air intake holes 56. It is attached.

  Further, as shown in FIGS. 1 and 2, the hose body 5 is provided in an elongated bellows-cylindrical shape with a flexible synthetic resin or the like, and is provided so as to be expandable and contractable in the axial direction.

  Further, the connecting pipe portion 6 is formed in a cylindrical shape with a synthetic resin harder than the hose body 5 and is provided coaxially with the hose body 5 so as to communicate with the distal end portion of the hose body 5. 7 is detachably connected to the exhaust side.

  Further, the grip tube portion 7 enables the cleaner body 2 to be operated while the extension tube 8 is held by the cleaner body 2, and the extension tube 8 is released from being held by the cleaner body 2, that is, extended. The extension pipe 8 can be gripped in a state in which the pipe 8 is removed from the cleaner body 2, and communicates with the distal end portion which is the suction side of the connection pipe portion 6 and the proximal end portion which is the exhaust side of the extension tube 8. A substantially cylindrical main body portion 61 and a gripping portion 62 projecting from the main body portion 61 in the radial direction. The grip portion 62 protrudes from the outer surface on the distal end side of the main body portion 61 and is bent toward the proximal end side of the main body portion 61. Further, a switch receiving portion 63 that is a switch holder to which the switch 13 can be detachably attached is provided in the vicinity of the proximal end portion of the grip portion 62. The switch receiving portion 63 is formed along the longitudinal direction of the gripping portion 62, and is formed at a position where the thumb of the gripped hand can reach when the operator grips the gripping portion 62.

  Therefore, the base end side of the power cord 23 is locked to the handle portion 12 or the grip portion 62 in a state where the switch 13 is selectively attached to the switch receiving portions 14 and 63.

  The extension pipe 8 constitutes a part of an arm that allows the operator to operate the electric vacuum cleaner 1 while being held by the vacuum cleaner main body 2 and is extended in a state in which the holding state to the vacuum cleaner main body 2 is released. It acts as a tube and is formed in an elongated cylindrical shape.

  The extension pipe 8 communicates with the suction side of the electric blower 3 through the grip pipe part 7, the connection pipe part 6, the hose body 5 and the dust cup 4.

  Further, as shown in FIG. 3, a substantially cylindrical fixing for fixing the extension pipe 8 to the extension pipe fixing portion 15 of the cleaner body 2 in a removable manner is provided at an intermediate portion in the axial direction of the extension pipe 8. The portion 65 is integrally provided coaxially. An expansion / contraction button 66 that allows the extension tube 8 to expand and contract is provided at the rear of the fixed portion 65.

  Further, a distal end mounting portion 67 is coaxially provided at the distal end portion of the extension pipe 8. The tip attachment portion 67 is a portion that is inserted into the receiving portion 9 when the extension tube 8 is fixed to the cleaner body 2, and the tip brush 68 is detachable as shown in FIG.

  As shown in FIGS. 1 and 2, the receiving portion 9 is a concave space portion into which the tip mounting portion 67 of the extension pipe 8 is inserted, and is provided at a position below the rear portion of the vacuum cleaner body 2. And communicates with the fitting arc 18. In the receiving portion 9, a communication port (not shown) that connects the exhaust side of the floor brush 11 and the tip of the extension pipe 8 fixed to the cleaner body 2 in an airtight manner is formed.

  The floor brush 11 is provided below the vacuum cleaner main body 2 and is placed on the floor surface as a surface to be cleaned to support the electric vacuum cleaner 1. 71 is provided with a pair of brush driven wheels 72 provided on 71, and a rotating tube portion 73 that is rotatably connected to the case body 71.

  In the case body 71, a suction port (not shown) is formed in the lower portion facing the floor surface, and a rotary brush (not shown) is rotatably provided in the suction port. Further, the rear portion of the case body 71 is provided with a projecting portion 75 to which the brush driven wheel 72 is attached to both sides.

  The brush driven wheel 72 is rotatably supported by the projecting portion 75 of the case body 71 so that the floor brush 11 can travel in the front-rear direction on the floor surface.

  The rotary tube portion 73 is attached to the case body 71 so as to have a rotation shaft slightly above the rotation shaft of the brush driven wheel 72, and the suction side communicates with the suction port. The rotary tube 73 is inserted on the exhaust side into the lower part of the receiving part 9 and connected to the communication port of the receiving part 9. Therefore, the cleaner body 2 is rotatable in the front-rear direction relative to the floor brush 11 around the rotation axis in a state where the floor brush 11 is placed on the floor surface.

  Next, the cleaning operation according to the above embodiment will be described.

  During normal cleaning, the power cord 23 is pulled out, the switch 13 is attached to the switch receiving portion 63, and the extension tube 8 is attached to the cleaner body 2, and the plug portion 24 of the power cord 23 is connected to an outlet (not shown). Connected, the grip part 62 of the grip pipe part 7 is gripped, the switch 13 is operated, and the electric blower 3 is driven.

  Then, the operator grips the grip portion 62 and runs the electric vacuum cleaner 1 back and forth, and sucks and cleans the dust on the floor surface from the suction port of the floor brush 11.

  For example, when cleaning a narrow place where the width of the floor brush 11 does not enter, such as a door rail, or when cleaning the air conditioner A at a high position as shown in FIG. 4, the detachable button 16 is operated. The extension tube 8 is removed from the cleaner body 2, and the extension button 8 is extended by operating the expansion / contraction button 66 to attach the tip brush 68 to the tip attachment portion 67, and dust is sucked from the tip.

  At this time, the operator works by attaching the switch 13 to the switch receiving portion 63 or the main body side switch receiving portion 14 in accordance with convenience.

  Furthermore, when cleaning the desk top etc., the connection pipe part 6 is removed from the grip pipe part 7, and dust is sucked in from the front-end | tip part of this connection pipe part 6. FIG.

  Then, the air sucked together with the dust becomes a suction wind, and the dust flows into the dust cup 4 through the hose body 5 together with the suction wind, and the dust cup 4 is given an inertial force in the straight direction to suck the dust and the suction. The wind is separated and dust is collected.

  The suction air from which dust is collected passes through the electric blower 3 to become exhaust air, and is exhausted from the exhaust hole 17 to the outside of the cleaner body 2.

  As described above, in the above embodiment, the power cord 23 is provided with the switch 13 for turning on / off the power supply to the electric blower 3, and the switch receiving portion 63 to which the switch 13 can be detachably attached is provided with the grip tube portion 7. The grip portion 62 is provided.

  As a result, a current-carrying part or wiring for electrically connecting the switch 13 and the electric blower 3 to the extension pipe 8 that can be attached to and detached from the cleaner body 2 or to the hose body 5 connected to the extension pipe 8. It is not necessary to provide a complicated mechanism such as the above, so that the configuration can be simplified and the manufacturing cost can be suppressed.

  That is, when an energizing part for energizing the electric blower 3 and the like housed in the cleaner body 2 is provided on the extension pipe 8 that can be attached to and detached from the cleaner body 2, the cleaner body 2 side with the extension pipe 8 attached. Since a complicated attachment mechanism or the like must be provided so as to be electrically connectable with the first embodiment, it is not necessary to provide such an attachment mechanism or the like by configuring as in the first embodiment. Can be simplified.

  Moreover, since it is not necessary to pass wiring etc. in the hose body 5, it can prevent that the hose body 5 becomes heavy and can improve operativity.

  In particular, as shown in FIG. 4, the upright type vacuum cleaner sometimes removes the extension tube 8 from the cleaner body 2 and lifts it together with the hose body 5 to clean the hose body. Good operability can be secured by reducing the weight of 5.

  Further, by providing the switch receiving portion 63 in the grip portion 62 that the operator grips during the cleaning operation, the switch 13 can be operated with the hand gripping the grip portion 62, so that the usability is improved.

  Then, by providing the main body side switch receiving portion 14 to which the switch 13 can be detachably attached to the cleaner body 2, the operator can selectively connect the switch 13 to each of the switch receiving portions 14 and 63 according to the cleaning state or the like. It becomes possible to attach, and usability can be further improved.

  Moreover, since the main body side switch receiving part 14 is provided on the upper part of the handle part 12 that is held by the worker during the cleaning operation depending on the cleaning state, the switch 13 is attached to the main body side switch receiving part 14 so that the handle part The switch 13 can be operated with the hand holding the 12 and the operability can be further improved.

  In the above-described embodiment, the switch receiving unit 63 can be provided at an arbitrary position of the hand operating unit as long as the switch receiving unit 63 is held by an operator and can be easily operated.

  Similarly, the main body side switch receiving portion 14 is provided at an arbitrary position of the cleaner main body 2 or provided at a plurality of locations of the cleaner main body 2 as long as the main body side switch receiving portion 14 is gripped by an operator and easy to operate. Is also possible.

It is a perspective view which shows the vacuum cleaner of one embodiment of this invention. It is a rear part perspective view which shows a vacuum cleaner same as the above. It is a disassembled perspective view which shows a vacuum cleaner same as the above. It is explanatory drawing which shows the use condition of a vacuum cleaner same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electric vacuum cleaner 2 Vacuum cleaner main body 3 Electric blower 7 Grip pipe part as a hand operation part 8 Extension pipe
13 switch
14 Body side switch holder
23 Power cord
63 Switch holder

Claims (2)

A vacuum cleaner body containing an electric blower,
A power cord for supplying power to the electric blower;
A switch provided on the power cord for turning on and off the power supply to the electric blower;
An extension pipe that communicates with the suction side of the electric blower, and at least a tip portion is detachable with respect to the cleaner body,
A hand operating part that is provided on the extension pipe and that allows the vacuum cleaner main body to be operated with the extension pipe attached to the vacuum cleaner main body,
An electric vacuum cleaner comprising: a switch receiving portion provided in the hand operating portion and capable of detachably attaching the switch. The vacuum cleaner main body is provided with the main body side switch receiving part which can attach the said switch detachably. The vacuum cleaner of Claim 1 characterized by the above-mentioned.

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