JP4020627B2 - Electric vacuum cleaner - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vacuum cleaner, in particular, a charging base that is electrically connected to a commercial power source and has a holding portion, and is detachably held by the holding portion and detached from the holding portion by power supply from a built-in battery. A cleaner body to be driven, and when the cleaner body is held by the holding part, the contact part provided on the holding part and the contacted part provided on the cleaner body contact each other, and the built-in battery is It relates to a vacuum cleaner to be charged.
[0002]
[Prior art]
Conventionally, a charging base that is electrically connected to a commercial power source and has a holding unit, and a vacuum cleaner body that is detachably held by the holding unit and can be driven while being detached from the holding unit by power supply from a built-in battery, So that when the cleaner body is held by the holding part, the contact part provided on the holding part and the contacted part provided on the cleaner body contact each other so that the built-in battery is charged. The vacuum cleaner is known.
[0003]
Moreover, as such a rechargeable vacuum cleaner, an electric blower driven by power supply from a built-in battery and a so-called handy in which a suction port for sucking dust by negative pressure generated by driving the electric blower is integrated. The so-called stick type in which a handle or a suction port body is provided on the handy type main body is the mainstream.
[0004]
These handy types and stick types have a relatively small output of the electric blower and a small dust collection chamber that temporarily collects dust and other dust (small capacity). It is used for the second unit (secondary), such as when used for cleaning in a relatively narrow cleaning space, such as taking in debris.
[0005]
On the other hand, in particular, electric blowers have become smaller and more powerful, and various rechargeable vacuum cleaners that have portability while maintaining a strong suction force have been developed.
[0006]
In such a rechargeable vacuum cleaner, a charging stand that is electrically connected to a commercial power source and has a holding portion, and is detachably held by the holding portion and is supplied from the holding portion by power supply from the built-in battery. A vacuum cleaner main body that is driven in a detached state, and a bellows-like suction hose can be connected to the vacuum cleaner main body, and the tip of the suction hose can be expanded or contracted. The pipe and the suction port body can be connected.
[0007]
[Problems to be solved by the invention]
By the way, in the above-mentioned electric vacuum cleaner, when using the vacuum cleaner main body from the charging stand, at the same time as carrying the handle provided in the vacuum cleaner main body with one hand, the suction hose tip with the other hand The cleaning operation is performed by moving the suction port connected to the tip of the extension pipe on the surface to be cleaned by holding the hand operating part provided on the surface.
[0008]
Therefore, even though the electric blower has been reduced in size and output, the cleaner body is equipped with a relatively heavy internal battery and electric blower. The problem was that work was hard work.
[0009]
In order to solve the above-described problems, an object of the present invention is to provide a vacuum cleaner that can ensure both storage and mobility.
[0010]
[Means for Solving the Problems]
In order to achieve the object, a vacuum cleaner according to claim 1 includes a charging base that is electrically connected to a commercial power source and has a holding portion, a power supply that is detachably held by the holding portion and that is supplied from a built-in battery. A vacuum cleaner main body that is driven while being removed from the holding portion by supply, and when the vacuum cleaner main body is held by the holding portion, the contact portion provided in the holding portion and the vacuum cleaner main body are provided. In the vacuum cleaner in which the built-in battery is charged by contacting the contacted parts with each other,
The charging stand is capable of moving while holding the vacuum cleaner body, and provided with wheels that partially protrude from the bottom surface and the rear surface of the charging stand ,
The charging stand can be supported in a vertical state while holding the vacuum cleaner main body with respect to a horizontal state in which the charging stand can be moved by the wheels while holding the vacuum cleaner main body in the holding portion. A support portion is provided .
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the electric vacuum cleaner of the present invention will be described based on the drawings.
[0012]
1 (A) and 1 (B), the vacuum cleaner 1 is inclined so as to open two front and upper surfaces with a cleaning work direction as a reference, that is, a side to which a suction hose 5 described later is connected as a front side. A charging base 3 having a holding portion 2 having a two-side open portion 2a, a vacuum cleaner body 4 detachably held by the holding portion 2, and a bellows-like suction detachably connected to the cleaner body 4 A hose 5, a telescopic (or a plurality of connectable) extension pipes 6 detachably connected to a hand control pipe (not shown) provided at the tip of the suction hose 5, and a detachable attachment to the extension pipe 6 A possible suction port 7 is provided.
[0013]
As shown in FIG. 2, the holding unit 2 includes wall surfaces 2 b, 2 c, and 2 d that hold the bottom and rear surfaces of the cleaner body 4, and diagonally opposite side surfaces from the vicinity of the front lower end to the vicinity of the rear upper end. Note that the wall surface 2b is a bottom wall surface that holds the cleaner body 4 particularly effectively when it is in the horizontal use state shown in FIG. 1 (A), and the wall surface 2c is in the vertical storage state shown in FIG. 1 (B). To play a role. Further, as shown in FIG. 3A, a contact portion 8 is provided at a corner formed by the wall surface 2b and the wall surface 2c.
[0014]
The contact portion 8 includes a positioning slit 8a for the cleaner body 4 and a contact slit 8b provided with a contact (not shown) inclined obliquely (for example, 45 °) in a direction straddling the wall surfaces 2b and 2c. , 8c are formed. Moreover, each slit 8a, 8b, 8c is open | released toward the front and upper direction of the holding | maintenance part 2. As shown in FIG.
[0015]
As shown in FIG. 4, the charging stand 3 is provided with a turning wheel 9 on a bottom surface near the front, and rear wheels 10 and 10 on both side surfaces near the rear. The rear wheels 10 and 10 are partially protruded from the bottom surface and the rear surface of the charging stand 3, whereby the cleaner body 4 is held by the holding portion 2 in cooperation with the swivel wheel 9 as shown in FIG. The horizontal use state that enables movement while being held, and the swivel wheel 9 is lifted as shown in FIG. It can be easily changed to a vertically stored state suitable for cleaning. A control board 11 and a charging circuit 12 are provided inside the charging stand 3. Furthermore, the rear wall of the charging stand 3 is provided with a connection port 14 to which a connection plug of a wiring cord (not shown) connected to a commercial power source is detachably attached. The connecting port 14 is disclosed as a biaxial type adjacent to the left and right in the illustrated example, but may be a coaxial type such as an AC adapter. In addition, the charging stand 3 is provided with locking portions 3 a to 3 f that engage with a hook 15 provided on the extension pipe 6 so that the extension pipe 6 can be stood. Among these, the locking portions 3a to 3c can be engaged with the hook 15 when in the horizontal use state, and the locking portions 3d to 3f can be engaged with the hook 15 when in the vertical storage state. It has become. At this time, as shown in FIG. 1 (B), the locking portion 3a is engaged with the rear wheel 10 in the vector direction in consideration of the weight of the center of gravity of the cleaner body 4 when in the vertically stored state. The charging stand 3 is not turned over in the clockwise direction in the figure while holding the cleaner body 4 by being positioned at the center between the stopper 3a, and the cleaner body 4 is not dropped from the holder 2 by its own weight. It also serves as a support for inclining the charging base 3. Further, this inclination setting ensures mutual connection during charging with the cleaner body 4 (details will be described later). A lock member 16 that engages with the cleaner body 4 is provided at the upper end of the charging stand 3.
[0016]
As shown in FIG. 5, the lock member 16 engages with the tongue piece 4 a provided on the cleaner body 4 and releases the engagement state with the tongue piece 4 a when the cleaner body 4 is removed from the holding portion 2. A lock main body 17 for operation, a shaft 18 that is supported at both ends by the charging base 3 and rotates the lock main body 17, and a spring 19 that normally biases the lock main body 17 toward the lock position are provided.
[0017]
The lock body 17 is engaged with the tongue 4a when the vacuum cleaner body 4 is housed from the front side to the rear side of the holding portion 2 and resists the bias of the spring 19 to lock the lock body 17. A guide 17a is provided for rotating the lens in the non-locking direction.
[0018]
The vacuum cleaner body 4 is provided with a hose connection port 4b on the front surface thereof. Further, in the vacuum cleaner body 4, there are a built-in battery, an electric blower driven by power supply from the built-in battery, and dust sucked from the suction port body 7 by the negative pressure generated by driving the electric blower. A dust collection case (or a dust collection filter) for collecting garbage is provided (all not shown). Further, the cleaner body 4 includes a bumper function as a protective member for contact with furniture and the like when detached from the holding portion 2 and the inside of the holding portion when the cleaner body 4 is stored in the holding portion 2. The vacuum cleaner main body 4 is inadvertently detached from the holding portion 2 in pressure contact with the wall surface, or formed between the vacuum cleaner main body 4 and the holding portion 2 by vibration from the electric blower when the vacuum cleaner main body 4 is driven. A bumper 20 is provided to prevent the generation of rattling noise in the gap. A handle 21 is provided on the upper surface of the cleaner body 4. Further, a recessed contact portion 22 shown in FIG. 3B is provided at a corner formed by the bottom surface and the rear surface of the cleaner body 4.
[0019]
The contacted portion 22 is recessed so that the entire convex shape of the contact portion 8 is fitted therein, and is inserted into the slice 22a engaging with the slit 8a and the slits 8b and 8c and provided in the slits 8b and 8c. Contact points 22b and 22c that contact the contact points provided are provided.
[0020]
Accordingly, if the cleaner body 4 is stored in the holding unit 2 with the other end of the wiring cord having one end connected to the commercial power supply connected to the charging stand 3, the contacts come into contact with each other and the commercial power supply is connected to the control board. 11 and the charging circuit 12 charge the built-in battery of the cleaner body 4. At this time, when the storage state is in the vertical direction, the charging base 3 is inclined while the cleaner body 4 is held by the above-described locking portion 3 a that also serves as a support portion, and the weight vector of the cleaner body 4 is inclined. However, since it goes to the contact part slightly, it can be set as a more reliable contact structure. Further, in the vertically placed state, the locking portion 3a forms a gap where the cord is disposed between the rear surface of the charging stand and the floor surface.
[0021]
And the state where the wiring cord is connected to the charging stand 3 while the cleaner body 4 is housed in the holding unit 2, or the state where the wiring cord is removed from the charging stand 3 while the cleaner body 4 is housed in the holding unit 2. In any case, if the charging base 3 moves integrally with the cleaner body 4 by the rotation of the turning wheel 9 and the rear wheel 10 and the switch (not shown) is turned on, the cleaning work can be performed by supplying power from the built-in battery. It becomes. Further, if the cleaner body 4 is detached from the holding unit 2 and is carried by holding the handle 21 and a switch (not shown) is turned on, the cleaning work can be performed by supplying power from the built-in battery.
[0022]
When the vacuum cleaner main body 4 is used by being detached from the holding portion 2, the usage mode in which the extension pipe 6 and the suction port body 7 are connected without connecting the suction hose 5, and the extension pipe 6 is not connected. The use mode in which the suction hose 5 and the suction port body 7 are connected to each other, and the use mode in which only the suction port body 7 is connected without connecting the suction hose 5 and the extension pipe 6 can be arbitrarily selected.
[0023]
Thus, in the electric vacuum cleaner 1 of the present invention, the heavy vacuum cleaner is provided by providing the charging base 3 with the wheels 9 and 10 that enable movement while holding the cleaner main body 4. Apart from the cleaning work with the main body 4 carried around, a so-called canister-type cleaning work by moving the cleaner main body 4 and the charging stand 3 together becomes possible. In addition, by providing the charging stand 3 with wheels for use as a canister type, the vacuum cleaner body 4 can be miniaturized, and it is easy to use even when carried around.
[0024]
Moreover, since the wiring cord for electrically connecting the charging stand 3 and the commercial power source to the charging stand 3 is detachable, the cleaner body 4 can be attached without removing the wiring cord and restricting the movement range. It can be moved together with the charging stand 3.
[0025]
In the charging stand 3, the cleaner body 4 is held in the holding portion 2, and the charging stand 3 can be moved and moved by the wheels 9, 10, while the cleaner body 4 is held in the vertical direction. By providing the locking portion 3a that can be supported in the storage state, the installation space can be used or stored in a state where the installation space is small and there is no unexpected movement.
[0026]
Further, when the charging stand 3 is stored, a locking portion 3a is provided as a support portion for inclining the charging stand 3 in consideration of the weight of the center of gravity of the cleaner main body 4. Even when the storage unit 2 is held in the vertical direction while being held in the storage unit 2, it is possible to prevent a fall or the like from falling over.
[0027]
Further, the charging base 3 is provided with a suction hose holding latch 3a connected to the cleaner body 4 in both the use state and the storage state, so that the furniture can be moved during the cleaning operation. The suction hose 5 (including the extension pipe 6 and the suction port body 7) can be stood without being obstructed or fallen when stored in a used state or stored as a stored state.
[0028]
Further, the holding part 2 is provided with a two-side open part 2a that allows the cleaner body 4 to be attached and detached in both the use state and the housed state, so that the contact part 8 and the contacted part 22 are in mutual contact from both directions. It is possible to attach and detach the vacuum cleaner main body 4 from both directions when the charging stand 3 is in the horizontal use state and in the vertical storage state. it can.
[0029]
In addition, a bumper 20 is provided on at least one of the wall surface 2d as the inner wall surface of the holding portion 2 and the outer wall surface of the cleaner body 4 (in the embodiment, the outer wall surface of the cleaner body 4). Therefore, when the cleaner main body 4 is housed in the holding portion 2, the electric blower is pressed against the wall surface 2d and the cleaner main body 4 comes off unexpectedly from the holding portion 2 or the cleaner main body 4 is driven. It is possible to prevent the rattling noise from occurring in the gap formed between the cleaner body 4 and the holding part 2 due to the vibration from the.
[0030]
【The invention's effect】
As described above, in the electric vacuum cleaner of the present invention, both portability and mobility during cleaning work can be ensured.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 shows a vacuum cleaner according to a first embodiment of the present invention, in which (A) is a side view of the vacuum cleaner in a horizontal use state, and (B) is a vacuum cleaner in a vertical storage state. FIG.
FIG. 2 is a cross-sectional view of the charging stand in a state where the cleaner body is similarly held.
3A is a perspective view of a contact portion, and FIG. 3B is a perspective view of a contact portion.
4A is a front view of a vacuum cleaner, FIG. 4B is a rear view of the vacuum cleaner, FIG. 4C is a bottom view of the vacuum cleaner, and FIG. 4D is a plan view of the vacuum cleaner. is there.
FIG. 5 is an enlarged cross-sectional view of the lock portion in the same manner.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Vacuum cleaner 2 ... Holding part 3 ... Charging stand 3a ... Locking part (support part combined use)
4 ... Vacuum cleaner body 9 ... Swivel wheel
10 ... Rear wheel (wheel)

Claims (7)

A charging base that is electrically connected to a commercial power source and has a holding unit; and a vacuum cleaner main body that is detachably held by the holding unit and that is driven while being detached from the holding unit by power supply from a built-in battery. When the vacuum cleaner main body is held by the holding portion, the contact portion provided in the holding portion and the contacted portion provided in the cleaner main body contact each other to charge the built-in battery. In a vacuum cleaner,
The charging stand is capable of moving while holding the vacuum cleaner body, and provided with wheels that partially protrude from the bottom surface and the rear surface of the charging stand ,
The charging stand can be supported in a vertical state while holding the vacuum cleaner main body with respect to a horizontal state in which the charging stand can be moved by the wheels while holding the vacuum cleaner main body in the holding portion. The vacuum cleaner characterized by the above-mentioned. The support portion for tilting the charging stand is provided on the charging stand so that the center of gravity of the cleaner body is located at the center when the charging stand is in a vertically oriented state. Electric vacuum cleaner . The vacuum cleaner according to claim 1, wherein the support portion is provided to protrude from a rear surface of the charging stand. The vacuum cleaner according to any one of claims 1 to 3, wherein the support portion is a locking portion that holds a suction hose. The charging stand, any claims 1 to 4, characterized in that the locking portion for holding a suction hose connected to the cleaner main body in both the horizontal state and the vertical state is provided A vacuum cleaner as described in one . The holding part is provided with a two-sided opening part that allows the vacuum cleaner body to be attached and detached in both a horizontal state and a vertical state, so that the contact part and the contacted part can contact each other in both directions. possible that it is inclined to the electric vacuum cleaner according to any one of claims 1 to 5, characterized in.   The elastic member which press-contacts the other is provided in at least any one of the inner wall surface of the said holding | maintenance part, and the outer wall surface of the said vacuum cleaner main body, The Claim 1 thru | or 6 characterized by the above-mentioned. The vacuum cleaner described.

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