JP3205892B2 - Electric vacuum cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called upright type vacuum cleaner, and more particularly to an improvement in a handle and a handle.

[0002]

2. Description of the Related Art FIG. 7 is a side view showing the structure of a conventional upright type vacuum cleaner, and FIG. 8 is a perspective view showing a handle and a handle of the vacuum cleaner. In FIG. 1, reference numeral 1 denotes a cleaner main body, in which a dust collecting chamber 2, an electric blower 3 and a cord reel 4 are housed. Reference numeral 5 denotes a floor brush which is attached to the cleaner main body 1 at a lower portion of the cleaner main body 1 via a rotary pipe 6 so as to be rotatable at least in the front-rear direction, and communicates with the dust collection chamber 2. Numeral 7 denotes a hollow carrying handle part provided at the upper part of the cleaner main body 1 and has a circular handle hole 7a at a substantially central portion thereof. Reference numeral 8 denotes a pivot portion provided above the back surface of the handle portion 7 and has a pivot shaft 8a therein.
9 is an elongated handle body 9a, a rotating body 9b to which the base end and the outer peripheral surface of the handle body 9a are integrally attached,
The handle is composed of a tip end of a handle body 9a and a grip 9c integrally attached to bend toward the rear side of the cleaner.

A rotating body 9b of the handle 9 is pivotally mounted on a pivot 8a of the handle 7, and the handle 9 is supported rotatably in the vertical direction with respect to the pivot 8 of the handle 7. Reference numeral 10 denotes a rectangular handle lead-out hole for pulling out the handle body 9a of the handle 9 supported by the pivot portion 8, and is formed by punching a part of the upper surface and a part of the rear surface in the upper rear corner of the handle portion 7. Have been. Reference numeral 11 denotes a slide-type handle fixing release button provided on the lower inner peripheral surface of the handle hole 7a of the handle portion 7.
Is a power switch provided above the front surface of the handle 7. A code 13 is pulled out from the code reel 4 and wound on the code reel 4, and a code winding button 14 is provided above the front surface of the cleaner body 1.

A conventional vacuum cleaner is constructed as described above. For example, when performing cleaning, the handle 9 is turned upright with respect to the cleaner body 1 as shown by a solid line in FIG. . Then, the rotation of the handle 9 is caused by the outer peripheral surface of the handle main body 9a on the front side of the cleaner in the handle extraction hole 10.
The handle 9 is in an upright state at the abutted position and is locked in an upright state by a lock mechanism (not shown). Then, the user grips the grip 9c of the handle 9 and performs a push-pull operation to perform cleaning. When the cleaning is completed, the handle 7 is gripped with one hand, and the handle fixing release button 10 provided on the inner peripheral surface of the handle hole 7a of the handle 7 is slid with the other hand to lock the handle. Then, the handle 9 which is upright is unlocked, and then the handle 9 is rotated with the other hand to bend with respect to the cleaner main body 1, the height is reduced, and the handle 9 is stored in a closet or the like.

[0005]

In the conventional vacuum cleaner as described above, the handle 9 is placed upright with respect to the main body 1 of the cleaner when the cleaner is used. The outer peripheral surface of the cleaner front side of the handle 9 is brought into contact with the inner peripheral end surface of the cleaner outlet side of the provided handle drawer hole 10, but after the cleaning is completed, the handle 9 is turned from the upright state to the bent state. When the handle 9 is bent with respect to the cleaner body 1, as shown in FIG. 8, the handle body 9a separates from the inner peripheral end face of the handle drawer hole 10 on the front side of the cleaner. , A gap S is generated. Therefore, when using the vacuum cleaner, the handle 7 is gripped with one hand and the handle 9 is rotated with the other hand until the handle 9 is upright. At this time, the grip 7 is gripped. When a finger of one hand enters the gap S formed on the front side of the cleaner with respect to the drawer hole 10, there is a problem that the finger may be pinched and injured.

Further, when the vacuum cleaner is placed on the floor such that the back of the vacuum cleaner 1 is grounded with the handle 9 upright with respect to the cleaner body 1 after the cleaning is completed. Since the grip 9c of the handle 9 is bent to the rear side of the cleaner body 1, the tip of the grip 9c of the handle 9 hits the floor, and the load of the cleaner body 1 is applied to the elongated handle 9. As the handle 9 is easily damaged, a turning force is generated in the handle 9 toward the front of the cleaner, and the turning force acts on the inner peripheral end surface of the handle drawing hole 10 on the front side of the cleaner, so that the handle drawing hole 10 is deformed. And
There is also a problem that the handle 7 is easily broken.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and a handle drawer for pulling a handle to the outside when the handle is turned to be in an upright state when using a vacuum cleaner. An object of the present invention is to provide a vacuum cleaner in which a finger is not pinched in a hole and a handle or a handle is not damaged when the cleaner is not used.

[0008]

According to the present invention, there is provided a vacuum cleaner comprising: a cleaner body; a handle provided on an upper portion of the cleaner body; and a floor brush connected to a lower portion of the cleaner body. A pivot portion provided on the handle portion, a handle rotatably provided on the pivot portion, and bent from an upright state with respect to the cleaner body, and a handle formed by piercing the handle portion; A handle pull-out hole with which the peripheral surface of the handle comes into contact with the vacuum cleaner, a lock mechanism that locks the handle in an upright state with respect to the cleaner body, and unlocking of the upright handle by the lock mechanism. A handle fixing release button to perform the operation, a handle guide groove is provided on a surface of the handle drawer hole where the handle comes into contact when the handle is in an upright state, and the handle is provided in the handle when the handle is in an upright state. And it is configured to provide a handle guide ribs for guiding groove engages.

Further, when the cleaner main body is placed so as to be in contact with the surface to be cleaned, a projection is provided on the cleaner main body or the handle to prevent the handle from touching the surface to be cleaned. It is. Further, the handle fixing release button is provided at a position where the handle can be operated by a hand holding the handle.

[0010]

According to the present invention, a handle guide groove is provided on a surface of the handle withdrawal hole formed by piercing a handle provided on the upper portion of the cleaner body when the handle is brought into an upright state. Since the handle is provided with a handle guide rib which engages with the handle guide groove when the handle is in the upright state, the handle is turned from the bent state to the upright state when the vacuum cleaner is used, so that the handle stands upright with respect to the cleaner body. When gradually approaching the state, the rate at which the handle guide rib of the handle enters the gap that has been generated in the handle extraction hole until now gradually increases, the width of the gap generated in the handle extraction hole substantially decreases, and the grip portion is gripped. One finger of one hand no longer enters the gap in the handle drawer hole, and the finger that has been in the gap is pushed out by the handle guide rib, so There is prevented.

When the cleaner main body is placed so as to be in contact with the surface to be cleaned, a projection for preventing the handle from coming into contact with the surface to be cleaned is provided on the cleaner main body or the handle portion. If the vacuum cleaner is placed on its floor while lying upright with respect to the cleaner body, the floor brush on the surface to be cleaned and the protrusion provided on the back side of the cleaner body should be grounded. The handle tip does not hit the floor, and the load of the cleaner itself does not apply to the elongated handle, so there is no risk of damage to the handle, and there is no turning force on the handle to the front of the cleaner. The drawer hole is prevented from being deformed and the handle part is prevented from being damaged.

Further, since the handle fixing release button is provided at a position where the handle can be operated by the hand holding the handle, when the handle is turned from the upright state to the bent state after cleaning is completed, the one hand holding the handle is held. Press the handle release button with your finger to unlock the upright handle by the lock mechanism, and turn the handle from the upright state to the bent state with the other hand. Operability for turning the handle to bend the cleaner body has been improved.

[0013]

FIG. 1 is a side view showing the structure of a vacuum cleaner according to one embodiment of the present invention, FIG. 2 is a cross-sectional view showing a handle portion and a rotating handle of the vacuum cleaner, and FIG. 2 is a plan view, FIG. 4 is a perspective view showing a state in which the handle is upright with respect to the handle of the vacuum cleaner, and FIG. 5 is a perspective view showing the handle and the handle in the middle of rotation of the vacuum cleaner. FIG. 6 is a side view showing a state where the vacuum cleaner is laid down on the floor. In the figure, the same components as those of the conventional example are denoted by the same reference numerals as those of the conventional example, and the description of the same components is omitted. Reference numeral 21 denotes a handle guide groove provided at the center of the inner peripheral end surface of the handle 9 in the upright state where the outer peripheral surface of the cleaner 9 contacts the upright state, and 22 denotes a handle guide hole of the handle 9 when the handle 9 is in the upright state. A handle guide rib is provided at the center of the outer peripheral surface on the front side of the cleaner in contact with the inner peripheral end surface, and is engaged with the handle guide groove 21.

The handle guide rib 22 is located at the upper edge of the inner peripheral end surface of the handle outlet hole 10 when the handle is in the upright state from the connection start position of the cleaner body front side with the rotating body 9b on the outer peripheral surface of the handle body 9a on the front side of the cleaner. The maximum height of the raised portion is formed to the same size as the depth of the handle guide groove 21. In this embodiment, the outer peripheral surface on the front side of the cleaner of the handle main body 9a is formed flush with the outermost peripheral surface of the handle guide rib 22 without any step. Reference numeral 23 denotes a metal reinforcing member provided on the pivot 8 of the handle 7.

Further, a rear side portion of the pivot portion 8 provided above the rear side of the handle portion 7 is formed to protrude from the rear surface of the cleaner body 1. The degree of protrusion is such that when the vacuum cleaner after cleaning is placed on the floor with its back side grounded as it is, the floor brush 5 is grounded on the surface to be cleaned, and the rear side portion of the pivot 8 is This is enough to prevent the tip of the grip 9c of the handle 9 from touching the ground surface on the surface to be cleaned in a state in which the handle is grounded. In this embodiment, the rear side portion of the pivot 8 is formed so as to protrude. However, the rear side of the pivot 8 is not protruded, and the projection having the same function as the main body 1 or the handle portion is formed. 7 may be newly provided. Further, the handle fixing release button 11 of this embodiment is a push button type and is provided at an upper position on one side of the handle 7.

In the vacuum cleaner constructed as described above, when the vacuum cleaner is used, the handle 9 of the cleaner main body 1 is gripped with one hand so that the handle 9 stands upright with respect to the cleaner main body 1. Then, the bending handle 9 is turned to the upright state with the other hand. When the handle 9 gradually approaches the upright state with respect to the cleaner body 1, the handle 9 is inserted into the gap S that has been formed in the handle withdrawal hole 10 until now.
Of the handle guide rib 22 gradually increases, and the gap S generated on the front side of the cleaner in the handle outlet hole 10 is increased.
Is gradually reduced, and the width of the gap S is also substantially reduced by the presence of the handle guide rib 22 in the gap S.
The finger that has been in the gap S until now is also the handle guide rib 2
2, the finger is prevented from being pinched. When the handle 9 thus rotated becomes upright with respect to the cleaner body 1, the handle guide rib 22 of the handle 9 enters the handle guide groove 21 of the handle pull-out hole 10, and is locked in the upright state by a lock mechanism (not shown). You. Then, the user grips the grip 9c of the handle 9 and performs a push-pull operation to perform cleaning.

Next, when cleaning is completed and the vacuum cleaner is to be stored in a closet or the like, as shown in FIG. By pressing the handle fixing release button 11 provided at the position, the lock of the upright handle 9 by the lock mechanism is released, and the handle 9 is rotated from the upright state to the bent state with the other hand. Thus, the handle fixing release button 11
Can be performed by the hand holding the handle 7, so that the pressing operation of the handle fixing release button 11 is performed by another hand different from the hand holding the handle 7 as in the conventional example. Operability is improved. Also, when the vacuum cleaner after cleaning is placed on the floor with the back side grounded as it is, the floor brush 5 is grounded on the surface to be cleaned,
The protruding rear side portion of the pivot 8 is grounded,
As shown in FIG. 6, there is a gap L between the tip of the grip 9c of the handle 9 and the floor, and the tip does not touch the surface to be cleaned. Accordingly, since the load of the cleaner body 1 is not applied to the elongated handle 9, there is no possibility that the handle 9 may be damaged, and since the handle 9 does not generate the rotating power to the front side of the cleaner, the handle outlet hole is provided. The deformation of the handle 10 and the damage of the handle 8 are prevented.

[0018]

As described above, according to the present invention, the handle comes into contact with the handle pull-out hole formed by piercing the handle provided at the upper part of the cleaner body when the handle is upright. The handle is provided with a handle guide groove on the surface, and the handle is provided with a handle guide rib which engages with the handle guide groove when the handle is in the upright state, so that the handle is turned from the bent state to the upright state when the cleaner is used. Gradually approaching the upright position with respect to the cleaner body, the ratio of the handle guide ribs of the handle entering the gap that had been created in the handle drawer hole gradually increases, and the width of the gap created in the handle drawer hole is substantially reduced The finger is narrowed, and one finger holding the handle will no longer enter the gap in the handle pull-out hole, and the finger that has been in the gap will be pushed out by the handle guide rib. Because, an effect that it is prevented that sandwich the finger.

Further, when the cleaner main body is placed so as to be in contact with the surface to be cleaned, the protrusion for preventing the handle from touching the surface to be cleaned is provided on the cleaner main body or the handle portion. If you place the vacuum cleaner on the floor while the handle is upright with respect to the main body of the vacuum cleaner, the floor brush on the surface to be cleaned and the protrusion provided on the back side of the vacuum cleaner main body are grounded Since the tip of the handle does not hit the floor and the load of the cleaner body does not apply to the elongated handle, there is no risk of damage to the handle, and there is no turning force on the handle to the front of the cleaner. This has the effect of preventing the handle extraction hole from being deformed and the handle from being damaged.

Further, since the handle fixing release button is provided at a position where it can be operated by the hand holding the handle, the handle is gripped when the handle is turned from the upright state to the bent state after cleaning is completed. Pressing the handle release button with one finger releases the lock of the upright handle by the lock mechanism, and the other hand can rotate the handle from the upright state to the bent state, so the upright state Has an effect that the operability for turning the handle to bend with respect to the cleaner body is improved.

[Brief description of the drawings]

FIG. 1 is a side view showing a configuration of a vacuum cleaner according to one embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a handle and a handle in the middle of rotation of the vacuum cleaner.

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is a perspective view showing a state in which a handle is upright with respect to a handle of the vacuum cleaner.

FIG. 5 is a perspective view showing a handle portion and a handle in the middle of rotation of the vacuum cleaner.

FIG. 6 is a side view showing a state where the electric vacuum cleaner is laid on the floor.

FIG. 7 is a side view showing a configuration of a conventional upright type vacuum cleaner.

FIG. 8 is a perspective view showing a handle and a handle of the electric vacuum cleaner.

[Explanation of symbols]

1 vacuum cleaner main body, 2 dust collection chamber, 3 electric blower, 5 floor brush, 7 handle, 8 pivot, 9 handle, 10
Handle pull-out hole, 11 Handle fixing release button, 21
Handle guide groove, 22 Handle guide rib.

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Osamu Takishima 1728 Koeda, Oaza, Hanazono-cho, Osato-gun, Saitama 1 Inside Mitsubishi Electric Home Equipment Co., Ltd. Inside Mitsubishi Electric Home Equipment Co., Ltd. (72) Inventor Takehiro Yamaguchi 1728 Komaeda, Hanazono-cho, Osato-gun, Saitama 1 Inside Mitsubishi Electric Home Equipment Co., Ltd. (72) Inventor Koji Sakamu 29, 4 Kume, Iida City, Nagano Prefecture 4 Shinryo (56) References JP-A-6-62992 (JP, A) JP-A-7-67809 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47L9 / 32 A47L 5/28

Claims (3)

(57) [Claims] A cleaner provided on an upper portion of the cleaner body; a floor brush connected to a lower portion of the cleaner body; a pivot provided on the handle portion; A handle rotatably provided on the pivot portion and bent from an upright state with respect to the cleaner body; and a perforated hole formed in the grip portion, and a peripheral surface of the handle abuts when the handle is in an upright state. The handle drawer hole and the handle are locked upright with respect to the cleaner body.
Locking mechanism and the lock of the upright handle by the locking mechanism.
A handle release button for releasing the handle, when the handle in the handle drawer hole is in an upright state.
A handle guide groove provided on a surface where the handle comes into contact with the handle, and a handle guide rib engaged with the handle guide groove when the handle is upright. 2. The cleaner body is grounded on a surface to be cleaned.
The handle should touch the surface to be cleaned when
A protrusion for blocking is provided on the cleaner body or the handle.
The vacuum cleaner according to claim 1, wherein: 3. The vacuum cleaner according to claim 1, wherein the handle fixing release button is provided at a position that can be operated by a hand holding the handle.