JP2005218477A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve problems of a conventional vacuum cleaner that when moving an obstacle such as furniture, a small article or the like in cleaning using a vacuum cleaner body, a user once suspends the use of the vacuum cleaner, puts an extension pipe on a floor or the like, and crouches to take up the extension pipe put on the floor or the like for restarting the use of the vacuum cleaner body. <P>SOLUTION: This vacuum cleaner is provided with a locking part 51 provided in a higher part than the body 21 and a support part 52 connecting the body 21 to the locking part 51 and is constituted to lock the extension pipe 25 to the locking part 51, so that the extension pipe 25 are easily locked to the locking part 51 and easily detached from the locking part 51. This constitution allows the user to easily suspend and restart the use of the vacuum cleaner body 21 and can provide the vacuum cleaner with improved usability. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a vacuum cleaner used in general households.

  Conventionally, this type of electric vacuum cleaner stands the vacuum cleaner body during storage or transportation, and a protrusion provided on the extension pipe is fitted into a locking hole provided near the bottom of the main body (for example, Patent Literature 1).

FIG. 10 shows a conventional vacuum cleaner described in Patent Document 1. In FIG. As shown in FIG. 10, the cleaner body 1, the flexible hose 2, the extension tube 3, the operation handle 4, the locking hole 5 provided in the cleaner body 1, and the extension tube 3 are provided. It is comprised from the protrusion 6 and the suction tool 7 for floors.
JP 2000-126093 A

  However, in the conventional configuration, in order to use the cleaner body 1 to move obstacles such as furniture and accessories during the cleaning operation, the operation of the cleaner body 1 is temporarily suspended and the extension pipe 3 is connected to the floor surface. Need to put on etc. Furthermore, in order to resume the operation of the vacuum cleaner main body 1, it is necessary to take up the extension pipe 3 placed on the floor or the like by bending the waist or bending the knee.

  In addition, when the operation of the vacuum cleaner main body 1 is temporarily suspended, the extension pipe 3 can be set up on the vacuum cleaner main body 1. However, in this case, the vacuum cleaner main body 1 is set up, the operation handle 4 is held, the aim is set and the engagement is performed. It had the subject that the operation | movement which inserts the protrusion 6 in the blind hole part 5 is required.

  The present invention solves the above-mentioned conventional problems, and can easily suspend and temporarily extend the extension pipe during the cleaning operation, and can easily remove the extension pipe from this state and resume the cleaning operation. It aims at providing the vacuum cleaner which improved the.

  In order to solve the above-described conventional problems, the locking unit is provided at a higher position than the main body, and a support unit that couples the main body and the locking unit. It is a configuration.

  Thereby, the extension tube can be easily locked to the locking portion, and the extension tube can be easily detached from the locking portion.

  The electric vacuum cleaner of the present invention can easily suspend and resume the use of the main body of the vacuum cleaner, and can improve usability.

  1st invention, the main body of a vacuum cleaner, the flexible hose which one end is connected to the said main body, and the other end is connected to an extension pipe, The floor suction tool connected to one end of the said extension pipe, By having a latching portion provided at a higher position than the main body and a support portion for coupling the main body and the latching portion, the extension tube can be latched to the latching portion. Since the extension tube can be easily locked to the locking portion, and the extension tube can be easily detached from the locking portion, the use of the vacuum cleaner body can be easily suspended and resumed. Can be improved.

  In the second invention, a recess is provided on the upper surface of the locking part of the first invention, and the extension tube can be locked in the recess, so that the locking can be reliably performed and the holding force is improved. can do.

  In addition to the first or second invention, the third invention has a detecting means for detecting whether the extension pipe is locked to the locking portion, and the extension pipe is engaged with the locking portion during operation of the main body. If it stops, the said detection means will operate | move at the same time, and it will become the structure which the said main body stops a driving | operation, and the stop operation by a driving switch becomes unnecessary.

  4th invention has a detection means to detect whether the extension pipe of any one of the 1st-3rd invention is locked to a locking part, and a main body operation stop and an extension pipe is a locking part When the extension pipe is removed from the locking portion while being locked, the detection means operates simultaneously with the configuration in which the main body starts driving. It becomes unnecessary.

  In the fifth aspect of the invention, in particular, the locking portion and / or the support portion of any one of the first to fourth aspects of the invention needs to be a handle for carrying the main body, so that it is necessary to directly pull up the main body at the low position. In addition, the main body can be easily moved by holding the locking portion or the supporting portion near the hand.

  In the sixth aspect of the invention, in particular, an operation handle is provided on the extension pipe of any one of the first to fifth aspects of the invention, and the operation handle can be locked to the locking portion. Since the extension pipe and the flexible hose are arranged below the stopper and the center of gravity of the extension pipe and the flexible hose becomes lower, the extension pipe and the flexible hose can be stably locked.

  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)
Fig.1 (a) is a side view which shows the state at the time of use of the main body of the vacuum cleaner in Embodiment 1 of this invention, FIG.1 (b) is a side view which shows the state at the time of a main body pause. . FIG. 2 is a rear view showing a state in which the main body is temporarily stopped. FIG. 3A is a side view illustrating a state in which the support portion is extended, and FIG. 3B is a side view illustrating a state in which the support portion is contracted halfway. FIG. 4 is a side view showing a state in which the support portion is accommodated.

  1 to 4, a vacuum cleaner main body (hereinafter referred to as a main body) 21 includes an electric blower (not shown) and a dust collection chamber 22. The floor suction tool 23 has a built-in rotating brush 24, and a rotating part 26 is provided on the extension pipe 25 side of the floor suction tool 23. It is connected freely. The extension tube 25 and the main body 21 are connected by a flexible hose 27. Further, an operation handle 28 is provided at one end of the extension pipe 25, and an operation switch 29 is disposed in the vicinity of the operation handle 28. The extension pipe 25 can be separated into a front extension pipe 42 on the floor suction tool 23 side and a rear extension pipe 43 on the operation handle 28 side at the connection point A by pressing the fastening release button 41.

  Furthermore, a horizontal bar-like engaging part 51 is provided above the main body 21, and is connected to the main body 21 by two bar-like support parts 52. Here, the support portion 52 can be expanded and contracted in a plurality of stages, and the support portion 52 itself is accommodated in the main body 21 by being most contracted (state of FIG. 4). In addition, a magnet 53 is embedded in the locking portion 51 and is arranged so as to face a magnetic switch 54 (detecting means) of a magnetic force on / off type built in the lower end of the extension pipe 25. The magnet switch 54 is detection means for detecting whether the magnet 53 is close. The main body 21 has a built-in control circuit (not shown) for controlling the operation of the electric blower and the rotating brush, and a signal from the magnet switch 54 is sent to this control circuit. In addition, an arcuate depression 55 that is one or more times larger than the radius of the extension tube 25 is provided on the upper surface of the locking portion 51.

  About the vacuum cleaner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  When the operation handle 28 is held in the hand and the operation switch 29 is operated, the electric blower and the rotating brush 24 are operated, and suction force is generated to suck up dust on the floor surface.

  Subsequently, during the cleaning operation using the suction force of the main body 21 (the state shown in FIG. 1A), the cleaning operation is temporarily interrupted by moving an obstacle or the like, and the extension pipe is used to stop the operation of the main body 21. 25 is put on the locking portion 51 (the state shown in FIGS. 1B and 2). At this time, since the recessed portion 55 is provided on the upper surface of the locking portion 51, the extension tube 25 is smoothly accommodated on the locking portion 51. When the extension tube 25 comes close to the locking portion 51, the magnet switch 54 reacts to the magnet 53 to inform the control circuit that the extension tube 25 has come close to the locking portion 51, and the electric blower and rotating brush in the main body 21 are transmitted. 24 operation is stopped. Therefore, while cleaning is temporarily suspended, it does not consume more power than necessary, and there is no operation sound of the main body 21 or the like, so it is possible to move obstacles comfortably, sudden calls, visitors, etc. It can respond quickly and reliably to situations where driving noise is a concern.

  When the cleaning operation is performed again from this state, the operation handle 29 is lifted (returns to the state of FIG. 1A). Then, the reaction of the magnet 53 disappears from the magnet switch 54, the control circuit is notified that the extension pipe 25 is separated from the locking portion 51, the operation of the electric blower and the rotating brush 24 in the main body 21 is resumed, and the cleaning work is immediately performed. Can be resumed.

  Further, in order to complete the cleaning work completely, the operation switch 29 is operated again to stop the electric blower and the rotating brush 24.

  Here, it is possible to change the height of the locking portion by adjusting the length of the support portion 52, and the locking portion can be arranged at a height near the user's hand (FIG. 3 ( a) and the state of FIG.

  As described above, in the present embodiment, the locking portion 51 provided at a higher position than the main body 21 and the support portion 52 that couples the main body 21 and the locking portion 51 are provided, and the extension pipe 25 is engaged. Since the extension tube 25 can be easily locked to the locking portion and the extension tube 25 can be easily detached from the locking portion 51 by adopting a configuration that can be locked to the locking portion 51, the main body can be easily 21 can be suspended and resumed, that is, the usability can be improved.

  Further, in the present embodiment, the recess 55 is provided on the upper surface of the locking portion 51 and the extension tube 25 can be locked in the recess 55, so that the locking can be reliably performed and the holding force is improved. Can do.

  In the present embodiment, a magnet switch 54 that detects whether the extension tube 25 is locked to the locking portion 51 is provided. When the extension tube 25 is locked to the locking portion 51 during the operation of the main body 21, At the same time, the magnet switch 54 is operated to stop the operation of the main body 21, so that the stop operation with the operation switch 29 becomes unnecessary.

  Further, in the present embodiment, the magnet switch 54 for detecting whether the extension tube 25 is locked to the locking portion 51 is provided, and when the operation of the main body 21 is stopped and the extension tube 25 is locked to the locking portion. When the extension tube 25 is removed from the locking portion, the magnet switch 54 operates simultaneously with this, and the main body 21 starts the operation, so that the operation start operation with the operation switch 29 becomes unnecessary.

  In the present embodiment, the height of the locking portion 51 can be freely changed, so that the height of the locking portion 51 can be adjusted to the height of each user and the length of the hand. can do.

  Further, in the present embodiment, the main body 21 can be made compact by moving the main body 21 in a narrow place by adopting a configuration in which the locking portion 51 and the support portion 52 can be accommodated in the main body 21 and the exterior of the main body 21. The locking part 51 and the support part 52 do not hit an obstacle at the time of storing in a narrow place, and the mobility and the storing property are improved.

  The position of the locking portion 51 is arranged right above the center of gravity of the main body 21 so that the stability during locking of the extension tube 25 is improved.

  In the present embodiment, the basic shape of the locking portion 51 is a horizontal bar, but the holding force when the extension tube 25 is locked can be improved by using a V shape.

  In the present embodiment, there are two support portions 52, but the weight can be reduced by using one.

  In the present embodiment, the support portion 52 can be expanded and contracted in several stages, but the same effect can be obtained when the support portion 52 is a folding type.

  In order to increase the holding force at the time of locking, the end of the extension tube 25 on the side of the flexible hose 27 has a bent portion with a small angle (the shape of FIG. 1A), or the extension tube It is desirable that the diameter of the 25 end portion is thicker than the diameter other than the end portion.

  Further, a member having a high coefficient of friction such as a rubber material or an elastomer resin material is disposed at a portion to be locked of the extension tube 25 facing the locking portion 51 so as to prevent the extension tube 25 from slipping or coming off. It is possible to improve the catching property and to increase the holding force at the time of locking. Further, a member having a high friction coefficient may be arranged in the locking portion 51.

  Furthermore, a stepped portion or a protruding portion is provided at the locked portion of the extension pipe 25 facing the locking portion 51 to improve the catching property to the diameter stopping portion 51, and the holding force at the time of locking can be increased. .

  In this embodiment, a part of the extension tube 25 is locked to the locking portion 51. However, the direction of the extension tube 25 can be freely changed by locking the flexible hose 27 to the locking portion 51. And it can be used for locking in narrow places.

  In the present embodiment, the detection means is a magnet switch, but a simple microswitch system, an infrared sensor having a wide detection range, or an ultrasonic sensor may be used.

  In addition, a switch for operating whether or not to use the automatic switching on / off function of the magnet switch itself is provided in the vicinity of the operating switch 29, so that the automatic switching on / off of the driving can be realized arbitrarily.

(Embodiment 2)
FIG. 5 is a rear view showing a state in which the main body is temporarily stopped in the vicinity of the engaging portion in the electric vacuum cleaner according to the second embodiment of the present invention.

  Since the configuration other than the locking portion 51 is the same as that of the first embodiment, a detailed description thereof will be omitted.

  By providing the holding arm 61 in the locking portion 51 of the present embodiment so that the extension tube 25 can be held by the holding arm 61, the extension tube 25 can be firmly held during locking.

  The holding arm 61 is made of resin or sheet metal and is held by its own elastic force.

  The same effect can be obtained even if the holding arm 61 is a rigid body and a spring is disposed in the locking portion 51.

  A holding arm 61 may be provided on the extension tube 25 side.

  In addition, it can hold | maintain more firmly by providing the holding | maintenance release button which cancels | releases the holding | maintenance with the holding arm 61. FIG.

  In addition, operability can be improved by holding / releasing the holding arm 61 electrically using a motor, a solenoid, or the like.

(Embodiment 3)
FIG. 6 is a rear view showing the vicinity of the locking portion in the electric vacuum cleaner according to the third embodiment of the present invention.

  Since the configuration other than the locking portion 51 is the same as that of the first embodiment, a detailed description thereof will be omitted.

  By making the locking part 51 of the present embodiment into a handle shape for transporting the main body 21, it is not necessary to directly pull up the main body 21 in the low position, and it has the locking part 51 near the hand to hold the main body 21. It can be easily moved.

  In addition, by providing the protrusions 66 at both ends of the locking part 51, the holding force at the time of locking is improved.

(Embodiment 4)
FIG. 7: is a rear view which shows the latching | locking part vicinity in the vacuum cleaner of the 4th Embodiment of this invention.

  Since the configuration other than the locking portion 51 is the same as that of the first embodiment, a detailed description thereof will be omitted.

  By providing the operation switch 29 in the locking portion 51 of the present embodiment, the operation switch in the extension pipe 25 and the signal line in the flexible hose 27 become unnecessary. As a result, the extension pipe 25 and the flexible hose 27 Small size and light weight can be achieved, and operability can be improved.

  The operation switch 29 can be arranged on the side surface of the locking portion 51 so as not to hit the extension pipe 25.

  In the present embodiment, the operation switch 29 is provided in the locking portion 51, but the locking portion 51 itself may be a switch button.

(Embodiment 5)
Fig.8 (a) is a side view which shows the state at the time of auxiliary suction tool use in the vacuum cleaner of the 5th Embodiment of this invention, FIG.8 (b) is a part which shows the detail of a latching | locking part. It is an expanded sectional side view (the B section detail of Drawing 8 (a)), and Drawing 8 (c) is a side view showing the state of a diameter stop part and an auxiliary suction tool at the time of use of a main part.

  Since the configuration other than the extension tube 25 and the locking portion 51 is the same as that of the first embodiment, a detailed description thereof will be omitted.

  The extension pipe 25 of the present embodiment can be divided into a front extension pipe 42 on the floor suction tool 23 side and a rear extension pipe 43 on the flexible hose 27 side. By adopting a lockable configuration, it is possible to perform cleaning work at a high place such as a shelf using the rear extension pipe 43 while the front extension pipe 42 is locked and held by the locking portion 51. Subsequently, after the cleaning operation using the rear extension pipe 43, the front extension pipe 42 and the rear extension pipe 43 can be easily coupled.

  Moreover, by arranging the auxiliary suction tool 71 that can be attached and detached around the locking part 51, the floor suction tool 23 and the auxiliary suction tool 71 can be easily exchanged, and various cleaning operations can be performed quickly.

  In addition, the floor suction tool can also arrange two or more according to a use.

  The auxiliary suction tool 71 can also be disposed on the locking part 51 via the mounting part 72 so as not to interfere with the locking.

  In addition, the protrusion 73 can also be provided in the rear extension pipe 43 side end of the front extension pipe 42 in order to improve the retention strength at the time of latching.

(Embodiment 6)
FIG. 9: is a side view which shows the state at the time of main body temporary stop in the vacuum cleaner of the 6th Embodiment of this invention.

  Since the configuration other than the operation handle 28 and the locking portion 51 is the same as that of the first embodiment, a detailed description thereof will be omitted.

  Since the operation handle 28 provided on the extension pipe 25 of the present embodiment is configured to be locked to the locking part 51, the extension pipe 25 and the flexible hose 27 are placed below the locking part 51 at the time of locking. Since the center of gravity of the extension tube 25 and the flexible hose 27 becomes lower, it can be stably locked.

  A bent portion 76 can be provided at the rear end of the operation handle 28 in order to improve the holding force at the time of locking.

  As described above, the electric vacuum cleaner according to the present invention can easily suspend and resume the use of the main body of the vacuum cleaner, and as a result can improve the usability. Useful as a vacuum cleaner.

(A) Side view which shows the state at the time of use of the main body of the vacuum cleaner in Embodiment 1 of this invention (b) Side view which shows the state at the time of a main body temporary stop The rear view which shows the state of the main body pause in Embodiment 1 of this invention (A) Side view which shows the state which extended the support part in Embodiment 1 of this invention (b) The side view which shows the state which shrunk the support part to the middle same as the above (b) The side view which shows the state which accommodated the support part in Embodiment 1 of this invention. The rear view which shows the state of the main body temporary stop in the locking part vicinity in Embodiment 2 of this invention The rear view which shows the latching | locking part vicinity in Embodiment 3 of this invention The side view which shows the state at the time of main body use in Embodiment 4 of this invention (A) Side view showing the state when the auxiliary suction tool is used in Embodiment 5 of the present invention (b) Same as above, Partially enlarged side sectional view showing details of the locking part (c) Same as above, Diameter stop when using the main body Side view showing the state of the part and auxiliary suction tool The side view which shows the state at the time of the main body pause in Embodiment 6 of this invention Partially omitted side sectional view showing the configuration of a conventional vacuum cleaner

Explanation of symbols

DESCRIPTION OF SYMBOLS 21 Main body 23 Floor suction tool 25 Extension pipe 27 Flexible hose 28 Operation handle 29 Operation switch 42 Front extension pipe 51 Locking part 52 Supporting part 54 Magnet switch (detection means)
55 Indentation part 61 Holding arm 71 Auxiliary suction tool

Claims (6)

From the main body of the vacuum cleaner, a flexible hose having one end connected to the main body and the other end connected to the extension pipe, a floor suction tool connected to one end of the extension pipe, and the top surface of the main body A vacuum cleaner comprising a locking portion provided at a high place and a support portion for coupling the main body and the locking portion, wherein the extension pipe can be locked to the locking portion. The vacuum cleaner according to claim 1, wherein a recess is provided on an upper surface of the locking portion, and an extension pipe can be locked in the recess. It has a detection means for detecting whether the extension pipe is locked to the locking portion, and when the extension pipe is locked to the locking portion during operation of the main body, the detection means operates simultaneously with this, The electric vacuum cleaner according to any one of claims 1 and 2, wherein the operation is stopped. It has detection means for detecting whether the extension pipe is locked to the locking part, and removes the extension pipe from the locking part when the main body is stopped and the extension pipe is locked to the locking part. The electric vacuum cleaner according to any one of claims 1 to 3, wherein the detection unit operates simultaneously with the main body to start operation. The electric vacuum cleaner according to any one of claims 1 to 4, wherein the locking portion and / or the support portion has a handle shape for transporting the main body. The vacuum cleaner according to any one of claims 1 to 5, wherein an operation handle is provided on the extension pipe, and the operation handle can be locked to the locking portion.

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