JP2005137432A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner capable of preventing an electric blower from being driven at the same time as the vacuum cleaner is actuated. <P>SOLUTION: The vacuum cleaner has a power switch 13 for turning on/off the electric blower mounted inside a cleaner body 1. The vacuum cleaner also has a power button part 14 for operating the power switch in different states according to the on/off state of the power switch 13. When the power switch 13 is on, the power button part 14 is retracted into the cleaner body 1, and when the power switch 13 is off, the power button part 14 projects from the cleaner body 1 so that an operator can easily confirm the on/off state of the electric blower by sight. Accordingly, driving of the electric blower at the same time as a power cord is connected to an outlet can be prevented. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a vacuum cleaner provided with a power switch for turning on and off an electric blower.

Conventionally, this type of vacuum cleaner includes a vacuum cleaner body that houses an electric blower. A power switch for turning on and off the electric blower is provided on the upper portion of the cleaner body. On the upper portion of the power switch, a button portion that can be operated by stepping is provided. The button portion is urged upward by a spring, and returns to the original state when the power switch is turned on and off by being stepped on by an operator (see, for example, Patent Document 1).
JP-A-8-117166 (page 3, FIG. 1 to FIG. 3)

  However, in the above vacuum cleaner, since the power switch can be turned on / off by stepping, it is necessary to return the button part to the original state regardless of the on / off state of the power switch. The appearance of the button part is the same.

  For this reason, the on / off state of the electric blower cannot be determined by appearance, and the electric blower may be driven simultaneously with the start of the vacuum cleaner.

  This invention is made | formed in view of such a point, and it aims at providing the vacuum cleaner which can prevent an electric blower driving simultaneously with starting.

  The present invention includes a power switch for turning on and off the electric blower and a button unit that can operate the power switch and that has different states depending on whether the power switch is turned on or off. And since the state of the button part according to on / off of the power switch which turns on and off the electric blower is different from each other, it becomes possible to visually check the on / off state of the electric blower, thus preventing the electric blower from being driven simultaneously with the start-up Is possible.

  According to the present invention, since the states of the button portions according to the on / off of the power switch for turning on / off the electric blower are different from each other, the on / off state of the electric blower can be visually confirmed, so that the electric blower is driven simultaneously with the activation. Can be prevented.

  Hereinafter, the structure of the vacuum cleaner of the 1st Embodiment of this invention is demonstrated with reference to FIG.

  As shown in FIG. 3, reference numeral 1 denotes a vacuum cleaner main body. The vacuum cleaner main body 1 is detachable dust collection pack (not shown) capable of removing dust sucked together with intake air generated by driving an electric blower 2 accommodated therein. Collect dust.

  The vacuum cleaner main body 1 has a main body suction port 3 for sucking air from the outside. The main body suction port 3 is connected to a bendable elongated substantially cylindrical hose body 4 in communication. At the tip of the hose body 4, there is provided an operation tube portion 6 including a grip portion 5 that is gripped by an operator when cleaning.

  Further, an elongate and substantially cylindrical extension tube 8 is detachably connected to the distal end of the operation tube portion 6. Furthermore, a floor brush 9 as a suction port for sucking dust on the carpet is detachably connected to the tip of the extension pipe 8 so as to be grounded on a carpet on the floor of the room, for example. Yes.

  Button fitting recesses 11 and 12 are provided in the rear portion of the upper surface in the cleaner body 1. The button fitting recesses 11 and 12 are spaced apart from each other in the width direction substantially orthogonal to the traveling direction of the cleaner body 1 and are provided in the vicinity of both side portions of the cleaner body 1. A power switch 13 for turning on / off the electric blower 2 is provided at the lower part of the button fitting recess 11, and a power button part 14 as a button part is provided at the upper part of the power switch 13 to fit the button. It is fitted in the concavity 11.

  In addition, a cord reel winding mechanism (not shown) is provided below the button fitting recess 12, and this cord reel winding mechanism is operated by a winding button portion 15 fitted in the button fitting recess 12. Thus, the power cord 16 can be wound around a cord reel (not shown) in the cleaner body 1.

  As shown in FIGS. 1 and 2, the button fitting concave portion 11 includes an outer peripheral side plate portion 21 that is an outer periphery of the button fitting concave portion 11 and a bottom plate portion 22 that is a lower end portion of the button fitting concave portion 11. Yes.

  The outer peripheral side plate portion 21 protrudes slightly upward from the upper portion of the cleaner body 1 and the lower end portion is located below the upper surface of the cleaner body 1 so as to be continuous with the outer peripheral edge portion of the bottom plate portion 22. Yes.

  The bottom plate portion 22 has a fitting hole portion 23 formed in the peripheral portion along the outer peripheral side plate portion 21, and a circular hole-shaped insertion hole portion 24 is formed in the central portion.

  The lower end portion of the power button portion 14 is inserted into the fitting hole portion 23.

  A cylindrical guide tube portion 25 is provided on the peripheral edge portion of the insertion hole portion 24. The guide cylinder portion 25 guides or guides the power button portion 14 in the vertical direction, and protrudes substantially vertically with respect to the bottom plate portion 22 upward.

  The power switch 13 is a so-called alternate switch, and includes a prismatic main body portion 26. A switch shaft 27 is provided on the upper portion of the main body portion 26 so as to be movable back and forth. The metal terminal 28 is provided so as to protrude. In the power switch 13, a spring (not shown) that urges the switch shaft 27 upward is provided. Furthermore, a catch (not shown) is provided in the power switch 13, that is, the switch shaft 27 is held at the lowest position when the power switch 13 is on.

  The switch shaft 27 is inserted through the insertion hole 24 of the button fitting recess 11 and is pushed toward the main body 26 so that the state retracted into the main body 26 and the state protruding from the main body 26 are alternately switched. It is. Further, in the vicinity of the upper end portion of the switch shaft 27, an engagement concave portion 29 that engages with the lower end portion of the power button portion 14 is cut out. For this reason, the power button unit 14 moves in the vertical direction as the switch shaft 27 moves in the vertical direction.

  The metal terminals 28 are respectively attached to power supply lines (not shown) that supply power from a power supply (not shown) to the electric blower 2. The metal terminals 28 are electrically connected and disconnected from each other by moving the switch shaft 27 forward and backward with respect to the main body portion 26. As a result, the power supply line is turned on and off as the switch shaft 27 advances and retreats, so that the drive of the electric blower 2 is turned on and off.

  The power button unit 14 includes a button body 31 having a substantially covered cylindrical shape. The button main body 31 has a flange portion 32 that protrudes all around the radial direction of the button main body 31 at the opening edge of the lower end portion. The flange portion 32 is prevented from coming off in the upward direction by engaging with the edge portion on the lower end side of the fitting hole portion 23 of the button fitting recess 11.

  A cylindrical guided portion 33 projects from the upper end of the button main body 31 toward the bottom. The guided portion 33 includes an engaging portion 35 projecting in the direction of the central axis at the lower end portion, and the engaging portion 35 is engaged with the engaging recess 29 of the switch shaft 27 of the power switch 13. The power button 14 is integrally attached to the switch shaft 27. The guided portion 33 is inserted through the insertion hole portion 24 of the button fitting recess 11 and is guided along the vertical direction together with the switch shaft 27 by the guide tube portion 25.

  Next, the operation of the first embodiment will be described.

  First, the power cord is pulled out from the cleaner body 1 and connected to an outlet (not shown) provided on the wall surface.

  Next, when the operator pushes the power button portion 14 downward, the switch shaft 27 is pushed downward against the bias of the spring in the power switch 13 along with the power button portion 14, and the power switch 13 is It is turned on, the metal terminals 28 and 28 are conducted, and the electric blower 2 is driven.

  At this time, as shown in FIG. 1, the switch shaft 27 is held in a state of being positioned at the lowermost position by a catch in the power switch 13, and the power button portion 14 is against the button fitting recess 11 of the cleaner body 1. It is held in a retracted state.

  Then, the operator grips the grip portion 5 and cleans the floor brush 9 by running back and forth on the floor surface.

  At the end of cleaning, when the operator pushes the power button 14 downward, the catch in the power switch 13 comes off from the switch shaft 27, and this switch shaft 27 is pushed up by the spring in the power switch 13, The power switch 13 is turned off, the metal terminals 28 and 28 are electrically cut off, and the electric blower 2 is turned off. As shown in FIG. It returns to the position and protrudes upward from the upper surface of the cleaner body 1.

  As described above, in the first embodiment, the state of the power button unit 14 according to on / off of the power switch 13 for turning on / off the electric blower 2 is different from each other.

  Specifically, the power button portion 14 is retracted into the cleaner body 1 when the power switch 13 is on, and the power button portion 14 protrudes from the cleaner body 1 when the power switch 13 is off.

  As a result, since the operator can easily visually confirm the on / off state of the electric blower 2, it is possible to prevent the electric blower 2 from being driven at the same time that the vacuum cleaner is started, that is, the power cord is connected to the outlet. It is possible to improve the usability without being surprised by the sudden drive of the electric blower 2 during use, and to prevent the electric blower 2 from being damaged due to the sudden drive.

  Moreover, by using the power switch 13 as an alternate switch and engaging the power button portion 14 with the switch shaft 27 of the power switch 13, the operator can visually confirm the on / off state of the electric blower 2 with a relatively simple configuration. Therefore, the productivity can be improved and the manufacturing cost can be suppressed.

  Further, since the power button portion 14 is moved up and down with respect to the cleaner body 1 in accordance with the on / off state of the power switch 13, the power button portion 14 is compared with a so-called seesaw type power switch. In addition to being able to reduce the clearance around the door, space can be saved, and dust can be prevented from entering the gap between the power button 14 and the button fitting recess 11 of the vacuum cleaner body 1 and the design of the power button 14 Can be improved.

  Next, the configuration of the second embodiment will be described with reference to FIGS. In addition, about the structure and effect | action similar to the said 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  4 and 5, a display rotating body 41 that is movable, for example, rotated by the operation of the power button portion 14 is provided below the button fitting portion 11 in the cleaner body 1. The display rotating body 41 includes a contact portion 42 located below the flange portion 32 on the front side of the power button portion 14, a rotation shaft 43 provided in front of the contact portion 42, and the rotation shaft 43. An arm portion 44 extending at the front portion and a display portion 45 provided at the upper portion of the distal end portion of the arm portion 44 are provided.

  The contact portion 42 contacts the lower portion of the flange portion 32 on the front side of the power button portion 14, and rotates in the vertical direction as the power button portion 14 advances and retreats in the vertical direction.

  The rotation shaft 43 is the center of rotation of the display rotation body 41, and a torsion spring (not shown) as a position return means is attached to the rotation shaft 43. The torsion spring biases the contact portion 42 side of the display rotating body 41 upward and the arm portion 44 side downward.

  The arm portion 44 extends in a rod shape forward with respect to the rotation shaft 43.

  The display unit 45 is provided integrally with the arm unit 44. The display unit 45 is provided in a color different from that of the vacuum cleaner main body 1 and moves in the vertical direction as the arm unit 44 rotates in the vertical direction.

  In addition, a display window 46 is cut out in the upper part of the cleaner body 1. The display window portion 46 is provided at a position where the display portion 45 can be exposed in a state where the arm portion 44 of the display rotating body 41 is rotated upward.

  The display rotating body 41 and the display window portion 46 constitute a display device 47.

  Next, the operation of the second embodiment will be described.

  When the operator pushes the power button portion 14 downward, the switch shaft 27 is pushed downward along with the power button portion 14 and is caught by the catch in the power switch 13 as in the first embodiment. The power switch 13 is turned on and the metal terminals 28 and 28 are brought into conduction, the electric blower 2 is driven, and the power button 14 is connected to the vacuum cleaner main body 1 as shown in FIG. The button fitting recess 11 is held in a retracted state.

  At the same time, the contact portion 42 of the display rotating body 41 is pushed downward against the urging force of the torsion spring by the flange portion 32 of the power button portion 14, and the arm portion 44 rotates upward about the rotation shaft 43. The display unit 45 is positioned below the display window unit 46 and exposed from the display window unit 46 to the outside of the cleaner body 1 to display the ON state of the power switch 13.

  At the end of cleaning, when the operator pushes the power button 14 downward, the catch in the power switch 13 comes off from the switch shaft 27 as in the first embodiment, and the switch shaft 27 The power switch 13 is pushed up by a spring in the power switch 13, the power switch 13 is turned off, the metal terminals 28 and 28 are electrically cut off, and the electric blower 2 is turned off. As shown in FIG. 27, the power button portion 14 returns to the original position and protrudes upward from the upper surface of the cleaner body 1.

  At this time, the urging force of the torsion spring causes the contact portion 42 to rotate upward to follow the power button portion 14 and the arm portion 44 to rotate downward about the rotation shaft 43 to display. The unit 45 is separated from the display window unit 46 to display the OFF state of the power switch 13.

  As described above, according to the second embodiment, when the power switch 13 is in the on state, the power button portion 14 is retracted into the cleaner body 1, and when the power switch 13 is in the off state, the power button portion 14 is By having the same configuration as that of the first embodiment, such as protruding from the cleaner body 1, it is possible to achieve the same operational effects as those of the first embodiment.

  Further, by providing a display device 47 that rotates according to the operation of the power button 14 and displays the on state of the electric blower 2, the operator can more reliably confirm the on state of the electric blower 2 via the display device 47. Can be visually confirmed.

  Furthermore, by configuring the display device 47 with a relatively simple configuration such as the display rotating body 41 and the display window portion 46, the productivity can be further improved and the manufacturing cost can be further suppressed.

  In the second embodiment, the display device 47 moves in response to the operation of the power button unit 14, and displays that the electric blower 2 is in the on state when the power switch 13 is in the on state. If possible, various other configurations are possible.

  Further, in each of the above embodiments, the power button unit 14 may have a configuration other than the one that moves in the vertical direction as long as the states according to the on / off of the power switch 13 are different from each other.

It is a longitudinal cross-sectional view which shows the ON state of the power switch of the vacuum cleaner of the 1st Embodiment of this invention. It is a longitudinal cross-sectional view which shows the OFF state of a power switch same as the above. It is a perspective view which shows a vacuum cleaner same as the above. It is a longitudinal cross-sectional view which shows the ON state of the power switch of the vacuum cleaner of the 2nd Embodiment of this invention. It is a longitudinal cross-sectional view which shows the OFF state of a power switch same as the above.

Explanation of symbols

1 Vacuum cleaner body 2 Electric blower
13 Power switch
14 Power button as a button
47 Display device

Claims (2)

A vacuum cleaner body containing an electric blower,
A power switch for turning on and off the electric blower;
An electric vacuum cleaner comprising: a button portion that is operable with the power switch and has different states according to on / off of the power switch. The vacuum cleaner according to claim 1, further comprising a display device that is movable according to an operation of the button unit and that indicates that the electric blower is in an on state when the power switch is in an on state.

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