JP2005058641A - Electric vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a paper bag-less electric vacuum cleaner capable of maintaining a strong suction force and reducing maintenance of a dust collecting filter.
An electric blower 2 that generates suction air, a dust collecting means 5 that collects sucked dust, and a dust storage section 4 that is arranged upstream of the dust collecting means 5 and stores dust. And a dust collecting section 3 provided on the intake upstream side of the electric blower 2 and a dust removing means 12 for removing dust adhering to the dust collecting means 5, and the dust removing means 12 has an electric drive source. In a vacuum cleaner, when the dust collecting means 5 is clogged with accumulated dust, the dust attached to the dust collecting means 5 is automatically removed and cleaned to maintain the suction force. .
[Selection] Figure 2

Description

  The present invention relates to a vacuum cleaner having a paper bag-less dust collection part.

A conventional vacuum cleaner having a paper bag-less type dust collecting part has a configuration in which the dust collected is collected by a dust collecting filter provided in the dust collecting part and simply accumulated in the dust collecting part. (For example, refer to Patent Document 1).
JP 60-57849 A

  However, in such a vacuum cleaner, the dust accumulated in the dust collecting part is simply accumulated as described above, so the dust is adsorbed and clogged on the surface of the dust collecting filter, There was a problem that the suction performance deteriorated at an early stage. Moreover, the maintenance of the dust collecting filter to which dust has adhered has been an unsanitary operation.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a paper bag-less vacuum cleaner that solves the above problems, maintains a strong suction force, and can reduce maintenance of a dust collecting filter that is a dust collecting means.

  In order to achieve the above object, the present invention provides an electric blower for generating suction air, dust collecting means for collecting sucked dust, dust accumulation for storing dust disposed on the intake upstream side of the dust collecting means. And a dust collecting part provided on the intake upstream side of the electric blower and a dust removing means for removing dust adhering to the dust collecting means, and the dust removing means has an electric drive source. When the dust collecting means is clogged due to the accumulation of dust, the dust attached to the dust collecting means is automatically removed and cleaned to maintain the suction force.

  ADVANTAGE OF THE INVENTION According to this invention, in the vacuum cleaner which has a dust collection part without a paper bag, the vacuum cleaner which can maintain a strong suction force and can reduce the maintenance of the dust collection filter which is a dust collection means can be provided.

  The first invention comprises an electric blower that emits suction air, a dust collecting means for collecting the sucked dust, and a dust accumulating section that is arranged on the upstream side of the dust collecting means and stores dust. A dust collecting section provided on the intake upstream side of the electric blower; and a dust removing means for removing dust adhering to the dust collecting means, the dust removing means having an electric drive source, and a dust collecting means When clogging occurs due to dust accumulation, dust adhering to the dust collecting means is automatically removed and cleaned to maintain the suction force.

  According to a second aspect of the present invention, the dust removing means is provided on the intake downstream side of the dust collecting means and substantially above the dust collecting means. When the dust that has been removed falls, it is difficult for the dust to adhere to the dust removing means. The means is configured so as not to cause a functional failure.

  The third invention comprises an electric blower, a dust collector, and a vacuum cleaner main body incorporating a dust removing means. The dust collector is separated from the dust removing means and is detachable from the cleaner main body. Only the portion can be washed with water, and even at that time, no water adheres to the dust removing means, so that reliability is ensured without affecting the dust removing means.

  According to a fourth aspect of the present invention, the dust removing means includes a coil portion and a vibration transmission body that holds the magnet, supplies power to the coil portion, and moves the vibration transmission body that holds the magnet. Dust that adheres to the dust collecting means is removed, and the dust removing means and the vibration transmitting body are in contact with each other only when the dust removing means is vibrated.・ Highly reliable dust removal is possible.

  According to a fifth aspect of the present invention, the dust removing means includes a coil section, a moving body that moves when power is supplied to the coil section, and a transmitting body that moves when the moving body comes into contact with the moving section. This removes the dust adhering to the dust collecting means and removes the dust adhering to the dust collecting means due to the impact, so that the dust can be easily separated from the dust collecting means and the dust removing effect can be enhanced. It can be done.

  According to a sixth aspect of the present invention, the dust removing means comprises an electric drive source and a dust remover driven by the electric drive source, and the dust attached to the dust collecting means is removed by moving the dust remover. Therefore, the dust attached to the dust collecting means can be dusted while being rubbed with a dust remover, so that the dust removing effect is enhanced.

  According to a seventh aspect of the present invention, when the dust adhering to the dust collecting means is removed by the dust removing means, the dust that has been removed is removed from the direction of the surface where the suction air does not pass through the dust removing means. Thus, the dust removed in the step can be easily removed from the direction of the surface through which the suction air does not pass, and the dust removing effect of the dust collecting means can be enhanced.

  According to an eighth aspect of the invention, the dust removing means operates for a predetermined time at the start or stop of the operation of the electric blower or during the operation, and increases the frequency of dust removal of the dust collecting means, and the dust collecting means is clogged. Is always prevented to secure the suction force.

  According to a ninth aspect of the invention, at least one of the vacuum pressure in the dust collecting unit, the air volume, and the current value of the electric blower is detected, and when the detected value reaches a predetermined value, the dust removing means operates, Since the dust collecting means can be cleaned every time the collecting means is clogged, the suction force can be maintained.

  The tenth invention reduces or stops the power consumption of the electric blower while the dust removing means is in operation. When the pressure on the dust collecting means is reduced, the dust collecting means can be cleaned. It will increase.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
Hereinafter, a first embodiment of the present invention will be described with reference to FIG.

  In FIG. 1, the electric vacuum cleaner has a suction tool 8 for sucking dust attached to an extension pipe 9, and the extension pipe 9 is connected to a vacuum cleaner main body (hereinafter referred to as a main body 1) via a handle portion 10 and a hose 11. ). The main body 1 has an electric blower 2 that emits suction air and a detachable dust collecting unit 3, and the dust collecting unit 3 includes a filter unit 5 that is a dust collecting unit that collects sucked dust. The dust storage unit 4 is configured to store dust. Reference numeral 6 denotes dust removing means for removing dust collected and adhered by the filter unit 5, and 7 is a cord reel for storing a power cord.

  Dust and suction air sucked from the suction tool 8 are carried to the dust collecting part 3 of the main body 1 through the extension pipe 9, the handle part 10, and the hose 11, and are sucked into the filter part 5 by the suction pressure of the electric blower 2. Since the collected dust accumulates, the filter unit 5 is clogged, and the suction air volume is reduced. However, the filter unit is activated because the dust removing means 6 operates periodically or when the clogged state of dust is detected. The dust attached to 5 is efficiently removed and cleaned by vibration, impact, scraping or wiping means, and the dust removed and cleaned is accumulated in the dust accumulating unit 4. As a result, the suction air volume is recovered and the initial suction force is secured.

  As shown in FIG. 2, this vacuum cleaner is provided with a coarse net 14 on the intake upstream side of the filter unit 5, and the dust sucked into the dust collecting unit 3 is separated by suction air and the coarse net 14. The separated dust is stored in the dust storage unit 4. The dust removing means 12 is provided on the downstream side of the intake side of the filter unit 5 and substantially at the upper part thereof. When the clogged state of the filter unit 5 is detected regularly or when the filter unit 5 is clogged, the dust removing unit 12 detects the filter unit 5 or the coarse net 14. Operates to clean the filter surface. Since the coarse net 14 is provided on the intake upstream side of the filter unit 5, the coarse dust falls into the dust accumulation unit 4, and the fine dust falls into the fine dust chamber 13. That is, when the dust adhering to the filter unit 5 is removed by the dust removing means 12, the dust removed from the dust removal means 12 is removed from the direction of the surface where the suction air does not pass through the dust removing means 12. Thus, the dust removed in the step can be easily removed from the direction of the surface through which the suction air does not pass, and the dust removal effect of the filter unit 5 can be enhanced.

  Further, since the dust removing means 12 is provided on the downstream side of the intake of the filter unit 5 and substantially above the dust part, even if the dust removed is separated from the filter part 5, it does not fall into the dust removing means 12. Since the influence of dust on the means 12 does not appear, the reliability is improved.

  Further, the dust removing means 12 and the filter unit 5 are joined by a connecting body A15 connected to the dust removing means 12 and a connecting body B 16 connected to the filter part 5, and the dust collecting part 3 is connected to the main body 1. When it is mounted after being detached from the connector, the connector A15 and the connector B16 are connectable. The air tightness of the dust collecting part 3 is performed on the outer peripheral surface of the connected body, and the tight surfaces of the vacuum cleaner main body 1 and the dust collecting part 3 are provided with a taper angle. Even if only the dust collection unit 3 is subjected to maintenance such as washing with water, the dust removing means 12 is not affected and a highly reliable configuration can be realized.

  The operation of the dust removing means 12 and the electric blower 2 is controlled by the control means 17, and the control means 17 is configured to be able to operate / stop the dust removing means 12 and the electric blower 2 by operating the operation means 18. The dust removing means 12 is configured to operate for a predetermined time during the start or stop of the operation of the electric blower 2 or during operation by the operation of the operation means 18.

  FIG. 3 shows an embodiment of the dust removing means 12. The dust removing means 12 has a certain space in the magnetic path of the iron core 19, the coil part 20 as an electric drive source, and the iron core 19. The magnet 21 is integrally formed with a coupling body A15 that is a vibration transmission body, and the coupling body A15 is supported by a spring body 22 that is an elastic body, and is supported so as to be operable. Yes. When a commercial power supply or a DC pulse power supply is energized to the coil part 20, a magnetic field is generated in the iron core part 19, whereby a magnetic force acts on the magnet 21, and the coupling body A vibrates in the vertical direction. The vibration component is transmitted to the filter unit 5 via the connecting body B16, and the filter unit 5 is vibrated in the vertical direction, so that the dust adhered to the filter unit 5 is separated.

  FIG. 4 shows another embodiment of the dust removing means 12. The dust removing means 12 is composed of a solenoid coil portion 23 as an electric drive source, a shaft 24 as a moving body, and a spring body 25 as an elastic body. The connecting body A15, which is a transmission body at the tip of the shaft 24, is connected via a spring body 25. When the solenoid coil unit 23 is energized with a commercial power source or a DC pulse power source, the shaft 24 moves in the front-rear direction. The vibration component is vibrated, and the vibration component is transmitted to the filter unit 5 via the spring body 25, the coupling body A15, and the coupling body B16, and the filter section 5 is vibrated in the front-rear direction, and the dust attached to the filter section 5 is peeled off. It works to do.

  FIG. 5 shows another embodiment of the dust removing means 12. A dust removing lever 27, which is a dust removing body, is attached to the rotating shaft of a motor 26, which is an electric drive source. The filter unit 5 and the rough net 14 are moved back and forth, intermittently or singly moved to remove the filter surface. Further, the filter unit 5 is surrounded by a frame member 31, the filter lower part 32 is configured in an open state, the fine dust chamber 13 for storing dust is provided below the filter unit 5, and the dust removed by the dust removing means 12 is provided. Is configured so that it can be easily removed from below the filter unit 5 and accumulated dust is accumulated in the fine dust chamber 13. When the lower part is opened, the removed dust is efficiently removed. .

  In FIG. 6, a vacuum pressure detecting means 30 is connected to the control device 17, and when the vacuum pressure reaches a predetermined pressure, the dust removing means 12 is operated to remove dust from the filter unit 5. In the present embodiment, the example of the vacuum pressure detecting means 30 has been described. However, as long as the clogged state of the filter can be detected directly or indirectly, such as current detection of the electric blower 2 or air volume detection in the vacuum cleaner. Any thing is good. In the vacuum cleaner having the dust removing means 12 of the filter unit 5, the suction pressure acting on the filter unit 5 is reduced by reducing or stopping the power consumption of the electric blower 2 while the dust removing unit 12 is operating, By making it easy for the dust adhering from the filter part 5 to peel off, the dust removing effect of the dust is greatly enhanced.

  As described above, according to the present invention, the dust collection filter as the dust collecting means can be automatically cleaned and the strong suction force can be maintained, so that the suction performance of the paper bag-less vacuum cleaner is maintained. It is particularly useful.

External view of the vacuum cleaner which shows the 1st Embodiment of this invention Side sectional view of the dust collector Side sectional view of the dust removal means Side sectional view of other dust removal means Rear view of other dust removal means Side sectional view of the other dust collector

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner body 2 Electric blower 3 Dust collection part 4 Dust accumulation part 5 Filter part (dust collection means)
6 Dust removing means 12 Dust removing means 13 Fine dust chamber 14 Coarse net 15, 16 Connecting part A, connecting part B
17 Control Device 18 Operating Means 19 Iron Core 20 Coil 21 Magnet 23 Solenoid Coil 27 Dust Removal Lever

Claims (10)

An electric blower that emits suction air, a dust collecting means for collecting the sucked dust, and a dust storage unit that is arranged on the intake upstream side of the dust collection means and stores the dust, and on the intake upstream side of the electric blower And a dust removing means for removing dust adhering to the dust collecting means, wherein the dust removing means has an electric drive source. The vacuum cleaner according to claim 1, wherein the dust removing means is provided on the downstream side of the intake air and substantially upward of the dust collecting means. The vacuum cleaner according to claim 1, further comprising an electric blower, a dust collector, and a vacuum cleaner main body incorporating a dust removing means, wherein the dust collector is separated from the dust remover and is detachable from the cleaner main body. The dust removing means is composed of a coil portion and a vibration transmitting body that holds the magnet, and is attached to the dust collecting means by supplying power to the coil portion and moving the vibration transmitting body that holds the magnet. The vacuum cleaner according to any one of claims 1 to 3, wherein dust removed is removed. The dust removing means includes a coil section, a moving body that moves when power is supplied to the coil section, and a transmission body that moves when the moving body comes into contact with the coil section. The vacuum cleaner according to any one of claims 1 to 3, wherein dust attached to the means is removed. The dust removing means includes an electric drive source and a dust remover driven by the electric drive source, and the dust remover moves to remove dust attached to the dust collecting means. The vacuum cleaner of any one of. 7. The dust according to claim 1, wherein when the dust adhering to the dust collecting means is removed by the dust removing means, the dust removed from the dust removal means also from the direction of the surface where the suction air does not pass through the dust removal means. The vacuum cleaner described. The vacuum cleaner according to any one of claims 1 to 7, wherein the dust removing means operates for a predetermined time at the start or stop of the operation of the electric blower or during the operation. 9. The electric vacuum cleaner according to claim 8, wherein at least one of a vacuum pressure in the dust collecting unit, an air volume, and a current value of the electric blower is detected, and the dust removing means operates when the detected value reaches a predetermined value. The electric vacuum cleaner according to claim 8 or 9, wherein power consumption of the electric blower is reduced or stopped while the dust removing means is in operation.

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