JPH0739505A - Vacuum cleaner - Google Patents

Abstract

PURPOSE:To provide a vacuum cleaner in which of the upward displaced state grip part can be kept at a proper position and it can be easily held and released. CONSTITUTION:A grip part 13 is composed to keep its upward displaced state at the proper upward displaced position by pressed contact of the periphery face of a rotatable roller 15 and an abutting part 23, and to make possible to hold and to release the upward dislocated state of the grip part 13 easily by rotation of the roller 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner.

[0002]

2. Description of the Related Art Conventionally, a vacuum cleaner body of an electric vacuum cleaner is provided with a handle on a top surface thereof which a user holds when moving the cleaner body.

As such a handle, a grip portion which can be housed in a recess formed on the upper surface of the cleaner body, and a lower portion which is inserted into the cleaner body and which projects downward from both ends of the grip portion. There is an elevating type that is formed in an arch shape with a pair of formed legs.

Further, in such a handle, when the grip portion is integrally displaced upward with the pair of legs, the upper surface of the projection provided at the lower ends of the pair of legs is formed on the cleaner body. The upper displacement of the handle is restricted by abutting against the lower surface of the piece, and the cleaner main body can be lifted together with the handle in this restricted state.

After the main body of the cleaner is moved to an arbitrary moving position, the main body of the cleaner is lowered at the moving position and the hand is released from the holding part so that the holding part moves downward together with the legs. And the gripping portion is stored again in the recess.

[0006]

By the way, in the electric vacuum cleaner configured as described above, the grip portion must be displaced upward in a low posture every time the main body of the vacuum cleaner is lifted and moved. It was troublesome.

The present invention has been made in view of the above circumstances,
An object of the present invention is to provide an electric vacuum cleaner that can maintain the upper displacement state of the grip portion at an appropriate position and can easily perform the maintenance and maintenance release operations.

[0008]

In order to achieve the object, the present invention has a gripping portion located on the upper surface of a cleaner main body, and a lower portion inserted into the cleaner main body and both ends of the gripping portion. A pair of leg portions that project downward from the pair and can be vertically displaced integrally with the grip portion; and a pair of leg portions that are rotatably supported by the lower portions of the pair of leg portions and that are appropriately above the grip portion. An electric vacuum cleaner comprising: a roller that maintains a state of upward displacement of the grip portion by pressing a peripheral end surface of the contact portion formed on the cleaner body at a displacement position. Use as a summary.

[0009]

In this structure, since the upper displacement state of the gripping portion is appropriately maintained at the upper displacement position by pressure contact between the peripheral end surface of the rotatable roller and the contact portion, the gripping is performed by the rotation of the roller. It is possible to easily perform the operation of maintaining the upper displacement state of the portion and the maintenance release operation.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of an electric vacuum cleaner of the present invention will be described with reference to the drawings.

In FIGS. 4 and 5, reference numeral 1 is a cleaner body of an electric vacuum cleaner (whole view is omitted), 2 is a lower body case, and 2 '.
Is a main body case, 3 is a front cover that closes a dust collection chamber (not shown), 4 is a center cover located above the electric chamber (not shown), and 4'is attached to the center cover 4 so as to be openable and closable. A cap 5 is a rear cover, 6 is a knob for opening and closing the front cover 3, 7 is a hose connection opening, 8 is a winding button for the wiring cord 9, 10 is a handle, 11 is a recess formed in the upper body, and 12 is It is a rear wheel.

The handle 10 has a recess 11 as shown in FIG.
And a pair of leg portions 14, 14 protruding downward from both ends of the grip portion 13, and a leg portion 1
Rollers 16 and 16 rotatably supported on the lower portions of the shafts 14 and 14 via shafts 15 and 15, projections 17 and 17 projecting outward at the lower ends of the leg portions 14 and 14, and leg portions 14 and 14, respectively. , 1
4 is extended upward from the lower end of the legs 4 and 14,
The slits 18 and 18 are provided to prepare for insertion into the cleaner body 1.

As shown in FIG. 3, the rollers 16 and 16 have annular recesses 19 and 19, respectively.

On the other hand, the center cover 4 has legs 14,
A guide cylinder portion 20 that surrounds 14 is integrally formed.

The inner wall surfaces 21 and 21 of the guide tube portion 20 facing the rollers 16 and 16 extend in the vertical direction and the roller 1
6, 16 concave portions 19, guide rails 22 facing the inside of 19,
22 is formed to project. In addition, the upper part of the inner wall surfaces 21 and 21 is set so as to be inclined toward the rollers 16 and 16 as it goes upward, and as shown in FIG.
Abutting portions 23, 23 that can be pressed against the peripheral end surfaces of 6, 16 are integrally formed. Furthermore, the projections 1 of the legs 14, 14
Stopper pieces 25, 25 are formed on the upper end portions of the inner wall surfaces 24, 24 facing the 7, 17 to abut against the upper surfaces of the protrusions 17, 17 to restrict upward displacement of the grip portion 13.

The contact portions 23, 23 and the stopper piece 25,
25 is the roller 1 according to the amount of upward displacement of the grip portion 13.
The amount of upward displacement between the projections 6, 16 and the projections 17, 17 is set to be approximately 1: 1.

In the above structure, the grip portion 13 is located in the recess 11 in the normal state as shown in FIG.

On the other hand, when the cleaner body 1 is lifted and moved, the user grips the grip portion 13 and displaces the grip portion 13 upward, so that the leg portion is integrated with the grip portion 13 first. 14 and 14 are displaced upward, and the grip portion 13 is displaced upward to a predetermined position as it is, whereby the roller 1
The contact portions 23, 23 are in pressure contact with the peripheral end faces of the rotating members 6, 16 while rotating. At the same time, the upper surfaces of the protrusions 17 and 17 come into contact with the stopper pieces 25 and 25 to restrict upward displacement of the grip portion 13.

At this time, the leg portions 14 and 14 are connected to each other by the contact portion 2.
When the rollers 16 and 16 are pushed by the rollers 3 and 23, as shown in FIG. 2, both lower ends of the rollers 16 and 17 rotate slightly, so that the rollers 16 and 16 and the contact portions 23 and 2 move.
The pressure contact force with 3 becomes small.

Therefore, the rollers 16 and 16 and the contact portion 2
The contact between the upper surfaces of the protrusions 17 and 17 and the stopper pieces 25 and 25 is not hindered by the pressure contact with the rollers 3 and 23, and the pressure contact between the rollers 16 and 16 and the contact portions 23 and 23 is prevented. It is not necessary to strictly set the mutual displacement distance relationship between the upper surfaces of the protrusions 17 and 17 and the contact between the stopper pieces 25 and 25.

Then, by further lifting the grip portion 13, the cleaner body 1 is lifted together with the grip portion 13 and the cleaner body 1 can be moved.

Further, when the cleaner main body 1 has finished moving once and the cleaner main body 1 is lowered at the moving position and then the hand is released from the grip portion 13, the rollers 16 and 16 contact with the peripheral end surfaces. The upper displacement state of the grip portion 13 is maintained by the pressure contact with the contact portions 23, 23.

Therefore, when the cleaner body 1 is lifted and moved again, the grip portion 13 in the upwardly displaced state is used.
Posture lower than the posture of gripping, that is, the grip portion 13 is recessed 1
It is possible to move the cleaner body 1 without lowering the posture of the cleaner body 1 when the cleaner body 1 is positioned inside.

On the other hand, when it is not necessary to displace the gripping part 13 upward such as when the cleaner main body 1 is stored in a predetermined place after cleaning, the gripping part 13 is lightly moved. When the rollers 16 and 16 are rotated downward by pushing down, the pressure contact state between the peripheral end surfaces and the contact portions 23 and 23 is released, and with this release, the gripping portion 13 is displaced downward by its own weight and the recessed portion is formed. Located within 11.

By the way, in the above embodiment, the legs 14, 14
The rollers 16 and 16 and the abutting portions 23 and 23 in the direction in which the pressure spreads, and the upper surfaces of the protrusions 17 and 17 and the stopper pieces 25 and
Although the one in which the contact relationship with 25 is set is disclosed, it may be reversed.

Further, the rollers 16 and 16 for maintaining the upwardly displaced state of the handle 10 are also used as means for smoothly moving the handle 10 up and down while guiding the guide rails 22 and 22. Moreover, the usability of the handle 10 can be improved at low cost.

[0027]

As described above, in the electric vacuum cleaner of the present invention, the grip portion located on the upper surface of the cleaner body,
A pair of legs, a lower part of which is inserted into the cleaner body and which projects downward from both ends of the gripping part and is vertically displaceable integrally with the gripping part, and the pair of legs. Is rotatably supported by the lower part of the gripping portion, and its peripheral end face is pressed against an abutting portion formed on the cleaner main body at an appropriate upper displacement position of the gripping portion to maintain the gripping portion upwardly displaced. By the provision of the roller, it is possible to maintain the upper displacement state of the grip portion at an appropriate position, and to easily perform the maintenance and maintenance release operations.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view of an essential part of a vacuum cleaner of the present invention in a state where a handle is stored.

FIG. 2 is likewise a vertical cross-sectional view of a main part in a state where the handle is kept displaced upward.

3 is a plan view of the cleaner body with the handle cut along the line AA of FIG.

FIG. 4 is likewise a plan view of the cleaner body.

FIG. 5 is likewise a perspective view showing the appearance of the cleaner body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Vacuum cleaner body 13 ... Grip part 14 ... Leg part 16 ... Roller 23 ... Contact part

Claims (1)

[Claims] 1. A grip portion located on the upper surface of the cleaner body,
A pair of legs, a lower part of which is inserted into the cleaner body and which projects downward from both ends of the gripping part and is vertically displaceable integrally with the gripping part, and the pair of legs. Is rotatably supported by the lower part of the gripping portion, and its peripheral end face is pressed against an abutting portion formed on the cleaner main body at an appropriate upper displacement position of the gripping portion to maintain the gripping portion upwardly displaced. An electric vacuum cleaner, comprising: