JP3286380B2 - 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 an electric vacuum cleaner in which a rotation axis of a cord reel is arranged in a vertical direction of a cleaner main body.

[0002]

2. Description of the Related Art Conventionally, as this type of vacuum cleaner, there is a vacuum cleaner in which a dust collecting chamber is provided below a cylindrical vacuum cleaner main body, and an electric blower storage chamber and a cord reel are provided above the vacuum cleaner main body. In order to reduce the height of the main body, a cord reel is arranged sideways, and the cord is wound up in the circumferential direction of the cleaner body.

However, as shown in FIG. 7 and FIG. 8, the cord take-up port is horizontal, so that when the cord is taken up, the cord moves toward the cord take-up rotation direction side of the cord take-up port. Since the frictional resistance is increased by being bitten by the corner A between the bottom surface and the side wall of the winding opening, there is a problem that the cord stops during winding.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and has as its object to provide an electric vacuum cleaner capable of preventing defective winding of a cord.

[0005]

The present invention SUMMARY OF] is the top opening of the dust collection case having a suction port provided on a side surface, in the Umo covering openably in body housing the electric blower, within said body,
A cord reel which is housed a rotary shaft in a state of being arranged in a vertical direction, wherein a main body side cord wound formed Tokuchi, the code on the winding Tokuchi, co in the state of wound Code
And a recess for the plug of the cable.
An inclined portion is formed on the sliding surface of the cord so as to gradually increase in a winding direction of the power cord.

Further, the present invention is that the upper opening of the dust collection case having a suction port provided on a side surface, in the Umo covering openably in body housing the electric blower, within said body, a rotary shaft vertically A cord reel that is stored in a state where the cord is wound , and a cord winding port formed on the side surface of the main body.
The power supply cord is formed with a sloping portion that gradually increases in the winding rotation direction of the power cord, and a code sliding contact surface of the code winding port is formed on the code sliding contact surface of the recess. And a low resistance member is provided.

Furthermore, the present invention, the upper opening of the dust collection case having a suction port on a side surface, in the Umo covering openably in body housing the electric blower, within said body, a rotary shaft vertically And a code reel stored in a state where
A cord winding port formed on the side surface of the main body, and the cord winding port is wound around the cord winding port.
A lug is formed in the recess, and a sloping portion that gradually increases in the winding rotation direction of the power cord is formed in the cord sliding contact surface of the recess . A roller rotatable in the sliding direction is provided.

[0008]

According to the first aspect of the present invention, when the cord is wound, for example, at the end of cleaning, the cord is moved downward along the inclined portion by its own weight, that is, in the direction opposite to the rotation of the cord reel, and the cord is wound. It is prevented from being caught in the corner between the cord sliding contact surface of the intake and the side wall.

According to a second aspect of the present invention, when winding up the cord at the end of cleaning or the like, the cord moves by its own weight along the inclined portion in a direction opposite to the rotation of the cord reel, and the cord is wound up. The cord sliding contact surface of the opening is prevented from being caught in the corner between the side wall and the side wall, and the bottom surface of the cord winding opening (that is, the cord sliding contact surface) is formed of a low resistance member such as an olefin resin. By this, the code is smoothly put in and out.

Further, according to the third aspect of the present invention, when retracting the cleaner body at the end of cleaning or the like, when winding the cord, the cord is moved by its own weight along the inclined portion in the opposite direction of rotation of the cord reel. To prevent the cord from being caught in the corner between the cord sliding contact surface and the side wall of the cord winding port, and the rollers arranged in the cord winding port allow the cord to move in and out more smoothly. Is done.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings.

Reference numeral 1 denotes a metal dust-collecting case having an upper surface opening, and a suction port 2 is formed on a side surface thereof. A bellows hose (not shown) is detachably connected to the suction port 2. Reference numeral 3 denotes a clamp formed near the suction port 2,
A mouth plate of a dust bag 5 described later is locked so as to be pressed against the suction port 2.

Numeral 4 denotes a dust collecting basket made of resin which is accommodated in the dust collecting case 1 and in which a dust collecting bag 5 is accommodated.

Reference numeral 6 denotes a main body composed of an electric blower storage chamber 9 and a cord reel storage chamber 16 which will be described later. The upper surface opening of the dust collecting case 1 is covered by an engaging member (not shown), and a part of the main body 6 is formed. With the dust collecting case 1 facing inside,
It is detachably attached to the dust collecting case 1. 7
Is a ventilation portion formed on the bottom surface of the main body 6. By disposing a filter 8 in the ventilation portion 7, fine dust in the air passing through the dust collection bag 5 is filtered out, and an electric blower storage chamber described later is provided. 9 to prevent dust from entering.

Reference numeral 9 denotes an electric blower storage chamber formed in the main body 6, which houses the electric blower 10,
The opening 11 is formed at a position corresponding to.

Reference numeral 12 denotes an electronic component for controlling the electric blower 10, which has a radiator plate 13 attached thereto. The radiator plate 13 covers the opening 11 of the electric blower storage room 9, and It is screwed to the bottom via a packing 14. Reference numeral 15 denotes a ventilation hole formed at a position corresponding to the intake hole of the electric blower 9 and the opening 11 of the electric blower storage chamber 9 on the heat sink 13.

Reference numeral 16 denotes a code reel storage chamber formed integrally with the electric blower storage chamber 9 in the main body 1, and stores a code reel 17 with its rotating shaft 18 arranged vertically. By operating the cord reel button 19 formed on the upper surface of the dust collecting case 1, the cord 20 is wound up.

Reference numeral 21 denotes a cord take-up opening formed in the side of the cord reel storage chamber 16. The cord take-up opening 21 is provided with a recess 22 in which the plug of the cord 20 faces when the cord 20 is taken up. Reference numeral 23 denotes an inclined portion formed on the sliding surface of the cord 20 of the recess 22. The inclined portion 23 is formed so as to be gradually higher in the winding rotation direction of the cord 20, and the cord 20 is always moved by its own weight. The cord 20 is positioned on the side opposite to the rotation direction of the cord reel 20 when the cord 20 is wound.
Is prevented from being caught in the corner of the recess 22 by moving to the rotation direction side of the recess 22.

Reference numeral 24 denotes a roller disposed on the code sliding contact surface of the recess 22 so as to be rotatable in the sliding direction of the cord 20.

Reference numeral 25 denotes a caster table on which the dust collecting case 1 is mounted, and wheels 26 are attached to the bottom surface. Reference numeral 27 denotes a grounding member connected to the dust collecting case 1 for discharging static electricity.

When the electric blower 10 is driven, dust in the air sucked from a bellows hose (not shown) connected to the suction port 2 is accumulated in the dust collection bag 5 and distributed to the ventilation portion 7 of the main body 6. Further fine dust is filtered by the provided filter 8 and guided to the electric blower storage room 9. At this time, the radiator plate 13 is disposed so as to cover the intake hole of the electric blower 10. However, since the plurality of ventilation holes 15 are formed in the radiator plate 13, the air sucked into the dust collecting case 1 is not radiated by the radiator plate 13. And is sucked into the electric blower 10.

Therefore, by disposing the heat radiating plate 13 so as to cover the intake hole of the electric blower 10, the air sucked into the dust collecting case 1 can be efficiently brought into contact with the heat radiating plate 13 to improve the heat radiation efficiency. And vent holes 15 in the heat sink 13
Since the air blower is formed, the supply of air to the electric blower 10 is not hindered, and overheating of the electric blower can be prevented.

When the main body of the vacuum cleaner is stored at the end of cleaning or the like, the code reel button 19 is operated to wind up the cord 20.
Since the cord 20 has the inclined portion 23 that gradually increases toward the rotation direction side of the cord 17, the cord 20 moves downward along the inclined portion 23, that is, toward the anti-rotation direction side of the code reel 17, by its own weight. Therefore, the cord 20 is prevented from being caught in the corner between the recess 22 sliding contact surface and the side wall of the recess 22, and is smoothly wound, and is disposed on the cord 20 sliding contact surface of the recess 22. The rollers 20 allow the cord 20 to be more smoothly put in and out.

Further, as in the second embodiment shown in FIG. 9, the corner between the inclined portion 23 and the side wall of the recess 22 is formed into a curved surface, so that the cord 20 can be more securely caught when the cord 20 is wound. Prevention and smooth winding.

In the above embodiment, the roller 24 is provided on the sliding surface of the recess 22 with the cord 20. However, the bottom surface of the recess 22 (that is, the sliding surface of the cord 20) is formed with a low-resistance member such as an olefin resin. May be formed.

[0026]

According to the first aspect of the present invention, the cord is located on the side opposite to the rotation direction of the cord reel along the inclined portion by its own weight, and the cord is caught in the corner with the side wall of the winding port. It can be prevented and can be wound up smoothly.

Further, according to the second aspect of the present invention, the cord is located on the side opposite to the rotation direction of the cord reel along the inclined portion by its own weight, and the cord is bitten into the corner with the side wall of the winding port. In addition to being prevented, the winding port is made of a low-resistance member, so that the cord can be smoothly taken in and out.

Further, according to the third aspect of the present invention, the cord is located on the anti-rotation direction side of the cord reel along the inclined portion by its own weight, and the cord is bitten into the corner with the side wall of the winding port. In addition to being prevented, the rollers can be arranged at the winding port, so that the cord can be more smoothly put in and taken out.

[Brief description of the drawings]

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

FIG. 2 is a top view of the electric vacuum cleaner.

FIG. 3 is a sectional view of the electric vacuum cleaner.

FIG. 4 is a cross-sectional view of a cord reel storage section of the electric vacuum cleaner.

FIG. 5 is an enlarged view of a main part of the electric vacuum cleaner.

FIG. 6 is a sectional view taken along line BB in FIG.

FIG. 7 is an enlarged view of a main part showing a conventional example.

FIG. 8 is a sectional view taken along the line AA in FIG.

FIG. 9 is an enlarged view of a main part of a vacuum cleaner showing a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Dust collection case 2 Suction port 6 Main body 16 Electric blower storage room 17 Cord reel 20 Cord (power cord) 21 Cord winding port 23 Inclined part 24 Roller 25 Caster base

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-51024 (JP, A) JP-A-4-277170 (JP, A) JP-A 2-43882 (JP, U) JP-A 51- 144069 (JP, U) Japanese Utility Model Showa 51-143352 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) A47L 9/26

Claims (3)

(57) [Claims] The method according to claim 1 is a top opening of the dust collection case having a suction port on a side surface, in the openably covered Umo <br/> in body housing the electric blower, within said body, a rotary shaft vertically A cord reel stored in a state where the cord reel is accommodated, and a cord winding port formed on the side surface of the main body.
When the cord is wound up,
An electric vacuum cleaner , wherein an inclined portion is formed on a sliding surface of the recessed portion of the cord so as to gradually increase in a winding direction of the power cord. The upper opening of 2. A dust collection case having a suction port on a side surface, in the openably covered Umo <br/> in body housing the electric blower, within said body, a rotary shaft vertically A cord reel stored in a state where the cord reel is accommodated, and a cord winding port formed on the side surface of the main body.
When the cord is wound up,
The power supply cord is formed with a slope portion that gradually increases in the winding rotation direction of the power cord, and a low resistance member is formed on the code sliding surface of the cord winding port. An electric vacuum cleaner characterized by being arranged. The upper opening of 3. A dust-collection case having a suction port on a side surface, in the openably covered Umo <br/> in body housing the electric blower, within said body, a rotary shaft vertically A cord reel stored in a state where the cord reel is accommodated, and a cord winding port formed on the side surface of the main body.
When the cord is wound up,
The power supply cord is formed with an inclined portion that gradually increases in the winding rotation direction of the power cord on the code sliding contact surface of the recess, and the cord winding opening is rotatable in the sliding direction of the cord. Vacuum cleaner characterized by disposing various rollers.