JP5139565B2 - Vacuum cleaner and transport device - Google Patents

Description

  The present invention relates to a vacuum cleaner and a transport device used while moving a floor surface.

  Conventionally, vacuum cleaners that have travel means in the main body of the vacuum cleaner, have a good balance when traveling and changing directions, can prevent the main body from falling, and can be easily routed. For the purpose of providing, the bottom surface of the vacuum cleaner main body 1 has a substantially circular shape, three traveling casters are provided on substantially the same circumference of the bottom surface, and a dust collecting chamber is provided above one of the three traveling casters. 2 and an electric blower 3 are disposed above the remaining two traveling casters (see, for example, Patent Document 1).

  With regard to the vacuum cleaner, for the purpose of providing a vacuum cleaner that does not easily fall even when the front traveling caster hits a step, the lower case 18 having a dust collection chamber 16 and having an upper opening is connected to the lower case 18. And a vacuum cleaner body 15A having an upper case 23 provided with an electric blower 41 for making the dust collection chamber 16 have a negative pressure, a battery 27 is provided at the lower part of the lower case 18, and two front traveling casters are provided at the lower end. 45 and two rear traveling casters 48, and a vacuum cleaner having a dust collecting hose connection port 39 located between the front traveling casters 45 at the upper portion of the lower case 18, and two front traveling casters. There is a configuration in which a fall prevention caster 51 is provided at an intermediate position between the casters 45 to prevent the vacuum cleaner body 15A from falling over (see, for example, Patent Document 2).

  In particular, with regard to a configuration in which casters are provided on the front wheels and the rear wheels as traveling means, for the purpose of providing a vacuum cleaner that can realize the stability of the main body at a low cost, the front wheel casters 7 and the front wheel casters 7 in the front center are provided as the traveling means. The rear wheel casters 8 are provided on the left and right sides of the rear, and operation buttons 22a and 22b that function by pressing downward on the upper surface are provided, and the fall prevention convex portions 23 are provided on the left and right sides of the lower surface. When tilted at an angle, there is a configuration in which the tip of the fall-preventing convex portion 23 is in contact with the floor surface to prevent the fall (for example, see Patent Document 3).

JP 2009-056218 A JP 2003-310493 A JP 2009-005798 A

  However, in the apparatus having the above-described configuration, when the apparatus is largely tilted while being moved, the apparatus falls and contacts the floor surface. If the apparatus is continuously moved in such a state, there is a problem that a load when the apparatus is moved increases and the floor surface or the like is easily damaged. In addition, each time the device falls, there is a problem that it takes time and effort to return the fallen device to its original posture.

  Therefore, in view of the technical problems described above, the present invention prevents the casing from coming into contact with the floor surface even when the vehicle is tilted greatly during the movement, so that the load during the movement is not increased and the floor surface or the like is not caused. An object is to provide a vacuum cleaner and a transport device that can prevent scratches.

  In order to solve the above-mentioned problems, a vacuum cleaner according to the present invention is a vacuum cleaner that collects dust on the floor surface, and a dust collector that collects dust sucked from the floor surface, and a spherical shape that extends downward. A plurality of first rotating members that protrude from the side and a second rotating member that is formed in a spherical shape and that protrudes from the side, and has a housing containing the dust collector, The casing has three or more first rotating members in contact with the floor surface, or two or more first rotating members and one or more second rotating members are in the floor. It is characterized by not contacting the floor surface in contact with the surface.

  In order to solve the above-mentioned problems, a transporting apparatus according to the present invention is a transporting apparatus that stores a predetermined object and moves on a floor surface, and is a first rotating member that is formed in a spherical shape and protrudes from below. And a plurality of second rotating members that are formed in a spherical shape and project from the side, and have a housing that houses the housing, wherein the housing includes three or more of the first In a state where the rotating member is in contact with the floor surface, or in a state where two or more first rotating members and one or more second rotating members are in contact with the floor surface. It is characterized by not contacting the surface.

  According to the vacuum cleaner and the transport device of the present invention, even when the vehicle is tilted greatly during the movement and falls, the housing is not brought into contact with the floor surface. Can be prevented.

It is a perspective view which shows the cleaner 1 which concerns on the 1st Embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the main structures of the cleaner 1 which concerns on the 1st Embodiment of this invention, (a) is a perspective view which shows the cleaner 1, (b) is a perspective view which shows the cleaner 1 in a partial cross section. FIG. It is a disassembled perspective view which shows the main structure of the vacuum cleaner 1 which concerns on the 1st Embodiment of this invention in the state decomposed | disassembled to the up-down direction. It is a disassembled perspective view which shows in partial cross section from diagonally downward in the state which decomposed | disassembled the main structures of the cleaner 1 which concerns on the 1st Embodiment of this invention to the up-down direction. It is a disassembled perspective view which shows the partial structure from diagonally upward in the state which decomposed | disassembled the main structures of the cleaner 1 which concerns on the 1st Embodiment of this invention to the up-down direction. It is a figure which shows the main structures of the cleaner 1 which concerns on the 1st Embodiment of this invention, (a) is the three 1st casters 14 provided in the lower part of the cleaner 1, and hits the floor surface G. The perspective view which shows the state which has contact | connected, (b) is a side view which shows the state which the three 1st casters 14 provided in the lower part of the cleaner 1 are contacting the floor G. It is a figure which shows the main structures of the cleaner 1 which concerns on the 1st Embodiment of this invention, and is a state which seems to fall about 45 degree | times with respect to the floor G compared with the cleaner 1 shown in FIG. (A) is a perspective view showing a state in which two first casters 14 provided at the lower part of the vacuum cleaner 1 are in contact with the floor surface G, and (b) is provided at the lower part of the vacuum cleaner 1. FIG. 6 is a side view showing a state in which the two first casters 14 are in contact with the floor surface G. It is a figure which shows the main structures of the cleaner 1 which concerns on the 1st Embodiment of this invention, and is the state which fell to the floor G, (a) is two 1st provided in the lower part of the cleaner 1. The perspective view which shows the state which the one caster 14 and one 2nd caster 17 provided in the side part of this cleaner 1 is contact | abutting to the floor G, (b) is provided in the lower part of the cleaner 1. FIG. 2 is a side view showing a state in which two first casters 14 and one second caster 17 provided on the side of the cleaner 1 are in contact with the floor G. FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the main structures of the cleaner 1 which concerns on the 1st Embodiment of this invention, (a) is the two 1st casters 14 provided in the cleaner 1, and the 1st 2nd. The perspective view which shows the state which the caster 17 is contact | abutting to the floor G, (b) is 1 provided in this cleaner 1 by the cleaner 1 rotating in the counterclockwise direction shown by arrow P1 of (a). The perspective view which shows the unstable state which only the 1st caster 14 contact | abutted to the floor G, (c) is the vacuum cleaner 1 further rotating in the counterclockwise direction shown by arrow P2 of (b). 2 is a perspective view showing a state in which two first casters 14 and one second caster 17 provided in the vacuum cleaner 1 are in contact with a floor surface G. FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a top view which shows the main structures of the cleaner 1 which concerns on the 1st Embodiment of this invention, (a) is the two 1st casters 14 provided in the cleaner 1, and the 1st 2nd The top view which shows the state which the caster 17 is contact | abutting to the floor G, (b) is the vacuum cleaner 1 rotated in the counterclockwise direction shown by the arrow P1 of (a), and 1 provided in this cleaner 1 The top view which shows the unstable state which the 1st caster 14 and the housing | casing upper part 11 contact | abutted the floor surface G, (c) is the counterclockwise direction where the cleaner 1 was shown by arrow P2 of (b). FIG. 9 is a top view showing a state in which the two first casters 14 and one second caster 17 provided in the vacuum cleaner 1 are in contact with the floor G. It corresponds to a) to (c).

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments according to a vacuum cleaner and a transport device of the invention will be described with reference to the drawings. The cleaner and the transport device of the present invention are not limited to the following descriptions, and can be appropriately changed without departing from the gist of the present invention.

[First Embodiment]
The vacuum cleaner 1 according to the first embodiment of the present invention has a configuration in which the housing does not contact the floor surface even when the cleaner 1 is greatly tilted during the movement and falls. Such a vacuum cleaner 1 will be specifically described with reference to FIGS. 1 to 10. In the following description, first, the configuration of the cleaner 1 will be described with reference to FIGS. 1 to 5, and the state when the cleaner 1 is moved will be described with reference to FIGS. 6 to 10.

  First, the configuration of the vacuum cleaner 1 according to the first embodiment of the present invention will be specifically described with reference to FIGS. 1 to 5.

  The vacuum cleaner 1 collects and accommodates dust on the floor surface while basically moving. As shown in FIG. 2, for example, the housing of such a vacuum cleaner 1 has a substantially triangular pyramid shape and a housing upper portion 11 having a space for containing a dust collector 19 and the like to be described later, and a plate shape. The housing lower portion 12 formed in a substantially triangular shape is provided, and a plurality of constituent members are built in or joined to the housing upper portion 11 and the housing lower portion 12. The housing of the vacuum cleaner 1 is provided with a housing end 13 that rotatably holds a spherical first caster 14 described later. Hereinafter, each component of the cleaner 1 will be described in order.

  As shown in FIGS. 1 and 2 and the like, the housing upper part 11 incorporates a dust collector 19 and the like which will be described later, and is joined to a hose 23 and the like which will be described later. As shown in FIG. 4, the housing upper part 11 has a substantially triangular pyramid shape, and the lower part is opened to have a space inside. The lower surface 11a of the housing upper part 11 is formed flat. The housing upper part 11 is made of plastic, for example, and is integrally molded. As shown in FIG. 4, the lower case portion 12 to be described later has a plate shape and is substantially triangular, and the upper surface 12 a is flat. The lower surface 11 a of the upper portion 11 and the upper surface 12 a of the lower portion 12 are They are joined together using screws (not shown). As shown in FIGS. 4 and 5, an upper inner peripheral surface 11 b provided to be inclined inside the housing upper portion 11 includes an outer peripheral surface 15 a of a ring-shaped upper rotation holding member 15 described later, and a ring-shaped upper surface 11 b. The outer peripheral surface 16a of the lower rotation holding member 16 is in contact with each other. The circular second caster projection holes 11c are opened at three equal intervals on the same circumference of the upper inner peripheral surface 11b so as to penetrate the upper inner peripheral surface 11b from the outer peripheral surface 11f of the upper portion 11 of the housing. Has been. A second caster projecting hole is formed in a state in which a spherical second rotating member, which will be described later, is sandwiched between the upper rotating holding member 15 and the lower rotating holding member 16 and protrudes outward from the outer peripheral surface 11f of the housing upper portion 11. 11c is rotatably inserted.

  As shown in FIGS. 2B and 3, a dust collector 19 and a suction device 18, which will be described later, are stacked inside the housing upper portion 11 below the lower rotation holding member 16 accommodated therein. Built in. A lower inner peripheral surface 11d formed of a vertical surface is formed below the upper inner peripheral surface 11b formed of an inclined surface inside the upper portion 11 of the housing, and the outer peripheral surface 18c of the suction device 18 is abutted against the lower inner peripheral surface 11d. Touching. A dust collector attaching / detaching hole 11e having a rectangular outline is provided below the second caster projecting hole 11c and penetrating from the outer peripheral surface 11f of the housing upper portion 11 to the upper inner peripheral surface 11b. The dust collector lid 20 is detachable. A cylindrical hose insertion cylinder 11g is inserted through the upper end opening 11j of the housing upper part 11 and protrudes downward from the inner upper surface 11h. The hose insertion cylinder 11g is inserted through the inner peripheral surface 15e of the upper rotary holding member 15 and the inner peripheral surface 16e of the lower rotary holding member 16, and is connected to a hose connection hole 19b formed in the upper surface 19a of the dust collector 19. ing. A back surface 21a of a display 21 to be described later is mounted on a display mounting surface 11i formed of a ring-shaped inclined surface on the top of the housing upper portion 11. The display 21 is sandwiched and fixed by adhering a back surface 22a of a ring-shaped fixing ring 22 (described later) to the upper end opening 11j of the upper portion 11 of the housing 11 with an adhesive or the like (not shown).

  As shown in FIG. 2, the housing lower portion 12 is joined to the housing upper portion 11, a suction device 18 described later is placed on the upper portion, and a housing end portion 13 described later is joined to the side portion. . Such a housing lower part 12 has a plate shape and is formed in a substantially triangular shape, and is integrally formed of plastic, for example. The upper surface 12a of the housing lower portion 12 is screwed with a plurality of screws (not shown) in contact with the lower surface 11a of the housing upper portion 11. Joining surfaces 12b made of hemispherical recesses are formed at the three corners of the side portion of the housing lower portion 12, and an outer peripheral surface 13a of the housing end 13 described later is joined to the joining surface 12b by an adhesive. As shown in FIGS. 3 and 5, a mounting surface 12 c that is recessed in a circular shape is formed on the upper surface of the housing lower portion 12, and the aspirator 18 is placed thereon. A plurality of strip-shaped exhaust holes 12 d are opened in parallel with the mounting surface 12 c of the lower housing 12, and the air discharged from the aspirator 18 is exhausted.

  As shown in FIG. 2, the case end 13 is joined to three corners of the side of the case lower part 12, and holds a spherical first caster 14 described later rotatably. The housing end portion 13 is formed in a substantially hemispherical shape, and an inner peripheral surface 13b formed of a hemispherical concave portion is provided therein. Such a case end 13 is made of plastic, for example, and is integrally molded. The opening end 13c of the housing end 13 is cut out in a streamline shape to prevent interference with the floor surface G shown in FIGS. The outer peripheral surfaces 13a of the three housing end portions 13 are respectively fixed to the joint surfaces 12b formed at the three corners of the side portion of the housing lower portion 12 using an adhesive. The casing end 13 covers a first caster 14 described later over half of the upper surface 12 a of the first caster 14. Therefore, the first caster 14 does not fall off from the casing end 13.

  As shown in FIG. 6, the first caster 14 is used for moving in contact with the floor G and corresponds to a first rotating member. The first caster 14 is housed in the housing end 13 and rotates while being in contact with the floor G. Such a first caster 14 is formed in a spherical shape having a smooth outer peripheral surface 14a as shown in FIG. That is, since the first caster 14 can be rotated in all directions of 360 degrees while being accommodated in the housing end 13, the cleaner 1 can be immediately moved in all directions. The first caster 14 is made of plastic, for example, and is integrally molded. Three first casters 14 are respectively inserted into the inner peripheral surfaces 13 b of the three housing end portions 13. Since the outer peripheral surface 14a of the first caster 14 and the inner peripheral surface 13b of the casing end 13 are smooth, the first caster 14 accommodated in the casing end 13 can rotate. A minute groove may be formed in the outer peripheral surface 14 a of the first caster 14 so that it is difficult to slip when rotating while contacting the floor G.

  As shown in FIG. 3, the upper rotation holding member 15 and the lower rotation holding member 16 are formed in a ring shape when joined up and down so as to have a hemispherical concave portion on the outer periphery, and a spherical second caster 17. Is held rotatably. Such upper rotation holding member 15 and lower rotation holding member 16 have a configuration in which a ring shape having a hemispherical concave portion on the outer peripheral surface is divided into upper and lower parts. The upper rotation holding member 15 and the lower rotation holding member 16 are made of plastic, for example. As shown in FIGS. 3 to 5, the lower surface 15c of the upper rotation holding member 15 and the upper surface 16c of the lower rotation holding member 16 are fixed using an adhesive. A contact surface 15d made of a recess is provided on the outer periphery of the upper rotation holding member 15, and a contact surface 16d made of a recess is provided on the outer periphery of the lower rotation holding member 16. 17a is in contact. The upper surface 15b of the upper rotation holding member 15 is fixed to the upper surface 11h of the housing upper part 11 using an adhesive. The lower surface 16 b of the lower rotation holding member 16 is in contact with the upper surface 19 a of the dust collector 19.

  As shown in FIG. 8, the second caster 17 is used for moving in contact with the floor G, and corresponds to a second rotating member. The second caster 17 has a spherical shape, and is rotatably disposed in a state of protruding outward from the outer peripheral surface 11 f of the upper portion 11 of the housing. As shown in FIG. 8, it rotates in a state of being in contact with the floor G. Such a second caster 17 is formed in a spherical shape having a smooth outer peripheral surface 17a as shown in FIG. That is, since the second caster 17 can rotate in all directions of 360 degrees while protruding outward from the outer peripheral surface 11f of the upper portion 11 of the housing, even when the cleaner 1 falls down, The machine 1 can be immediately moved in all directions. The second caster 17 is made of plastic, for example. As shown in FIGS. 2B and 3, in a state where the outer peripheral surface 15 a of the upper rotation holding member 15 is in contact with the upper inner peripheral surface 11 b of the upper portion 11 of the casing, the second caster 17 is connected to the upper portion of the casing. 11 is inserted from the lower inner peripheral surface 11d side into the second caster projection hole 11c opened at three locations. Then, the outer peripheral surface 16a of the lower rotary holding member 16 is brought into contact with the upper inner peripheral surface 11b of the upper portion 11 of the housing, and the second rotary member can rotate to the upper rotary holding member 15 and the lower rotary holding member 16. It is sandwiched between.

  As shown in FIGS. 2B and 3, the suction device 18 is placed on the lower portion 12 of the housing, sucks dust on the floor G shown in FIG. It is what makes it dust. Such an aspirator 18 has a configuration in which a fan for blowing air is connected to a motor, and rotates the fan to blow air in one direction. The suction device 18 has, for example, a cylindrical shape, and a dust collector 19 (to be described later) is placed on an intake surface 18b provided at the upper portion, and an exhaust surface 18a provided at the lower portion is a placement surface of the housing lower portion 12. The outer peripheral surface 18c is in contact with the lower inner peripheral surface 11d of the upper portion 11 of the housing. The suction unit 18 is provided with electric wiring (not shown), and is supplied with electric power from, for example, an outlet provided in the room via the electric wiring. The suction device 18 may be provided with a storage battery (not shown) and receive power from the storage battery.

  As shown in FIGS. 2B and 3, the dust collector 19 is placed on the suction surface 18 b provided on the upper portion of the suction device 18, and collects the dust sucked from the floor G. It is temporarily detained. Such a dust collector 19 is provided with a spiral shape inside, and when sucked by the suction device 18, centrifugal force generated by the generation of a vortex-like air flow in the dust collector 19 is generated. Use and separate dust. The dust collector 19 may be configured to pass only air sucked by the suction device 18 and to retain the dust contained in the air. Specifically, the dust collector 19 may be configured to use a replaceable bag-shaped mesh filter. . As shown in FIG. 4, the dust collector 19 is sucked from the suction device 18 through the ventilation surface 19 c provided at the lower portion thereof. The dust collector 19 is moored to the suction device 18 by a hook (not shown). However, the dust collector 19 can be detached by opening the dust collector lid 20 described later and removing the hook.

  The dust collector lid 20 is a lid that opens and closes when the dust collector 19 that collects a certain amount of dust inside is removed from the housing upper portion 11 and discarded. In such a dust collector lid 20, as shown in FIG. 3, the edge surface 20a corresponding to the thickness portion of the dust collector lid 20 penetrates from the outer peripheral surface 11f of the housing upper portion 11 to the upper inner peripheral surface 11b. In contact with the dust collector attaching / detaching hole 11e. The outer peripheral surface 20 b of the dust collector lid 20 is provided with a handle 20 c having an elongated hole shape, and can be grasped by hand when the dust collector lid 20 is attached to and detached from the upper portion 11 of the housing. The dust collector lid 20 is attached to the upper portion 11 of the housing using a hook (not shown).

  The display device 21 is composed of a ring-shaped liquid crystal monitor, is attached to a display device mounting surface 12i provided on the upper portion of the housing upper portion 11, and notifies predetermined information. Such an indicator 21 lights and displays predetermined information, for example, while the cleaner 1 is turned on. The dust collector 19 is provided with a light sensor (not shown), and the amount of dust collected can be detected based on the transmittance detected by the light sensor. In this case, according to the detection result of the dust by the optical sensor, the display 21 displays “there is little dust falling on the floor”, “there is much garbage falling on the floor”, and “the container is full of garbage! By displaying information such as “necessary” by lighting it, it is possible to notify the amount of dust on the floor surface G and the timing of taking out the dust. The fixing ring 22 is made of aluminum, for example, and is formed in a ring shape. The back surface 22a of the fixing ring 22 is fixed to the upper end opening 11j of the upper portion 11 of the housing using an adhesive. Therefore, the indicator 21 is sandwiched between the fixing rings 22 and fixed to the upper portion 11 of the housing.

  The hose 23 is for moving the dust on the floor surface G shown in FIG. 6 and the like to the dust collector 19 via a suction cylinder 24 and a suction nozzle 25 described later. Such a hose 23 is composed of, for example, a cylindrical shape made of rubber and having an outer peripheral surface formed in a bellows shape, and can be bent. As shown in FIGS. 1 and 3, one end 23a of the hose 23 is inserted into the hose insertion cylinder 11g of the upper portion 11 of the housing, and the other end 23b of the hose 23 is connected to a handle portion 24a of the suction cylinder 24 described later. ing.

  The suction cylinder 24 is disposed between the hose 23 described above and a suction nozzle 25 described later, and moves dust to the dust collector 19. Such a suction cylinder 24 is made of, for example, plastic and has a cylindrical shape. A plurality of switches 24d are arranged on the handle portion 24a of the suction cylinder 24, and are connected to the suction device 18 by wiring (not shown). By operating the switch 24d, the suction unit 18 is operated to collect the dust on the floor G in the dust collector 19. The fixed cylinder part 24b and the telescopic cylinder part 24c are provided in a state in which a part of the inner peripheral surface of the fixed cylinder part 24b and a part of the outer peripheral surface of the telescopic cylinder part 24c are in contact with each other. The full length of the suction cylinder 24 can be varied by inserting the telescopic cylinder portion 24c into the cylinder. As shown in FIG. 1, the expansion / contraction cylinder part 24c of the suction cylinder 24 is connected to the movable part 25a of the suction nozzle 25 described later. The suction nozzle 25 sucks dust while being in contact with the floor surface G. Such a suction nozzle 25 is made of, for example, plastic, and is formed in a rectangular shape having a through hole therein.

  Next, the state when the cleaner 1 according to the first embodiment of the present invention is moved will be specifically described with reference to FIGS. 6 to 10.

  The vacuum cleaner 1 shown in FIG. 6 is in a state where it is stably placed on the floor G. Specifically, the three first casters 14 provided at the three corners of the housing lower part 12 of the vacuum cleaner 1 are in contact with the floor surface G. That is, the housing lower portion 12 and the housing end portion 13 disposed in the cleaner 1 are separated from the floor surface G. Thus, when cleaning the floor G using the cleaner 1, the main body of the cleaner 1 is not inclined, and the three first casters 14 are in contact with the floor G. It is common to do it in a state. While the cleaner 1 is moved, the dust on the floor G is collected and accommodated. However, since the three first casters 14 provided at the three corners of the lower portion 12 of the housing rotate, It can be moved easily.

  The vacuum cleaner 1 shown in FIG. 7 is in a state where one first caster 14 is lifted and is falling over the floor G. Specifically, the two first casters 14 provided in the housing lower part 12 of the vacuum cleaner 1 are in contact with the floor G. Even in this state, similarly to the cleaner 1 shown in FIG. 6, the casing lower portion 12 and the casing end 13 disposed in the cleaner 1 are separated from the floor surface G. The vacuum cleaner 1 shown in FIG. 7 has a floor surface G as compared with the vacuum cleaner 1 shown in FIG. It is in a state where it is likely to tip over. The state of the vacuum cleaner 1 shown in FIG. 7 also occurs when the direction of the vacuum cleaner 1 is largely changed due to a dead end of the hallway or the like. In any case, the vacuum cleaner 1 shown in FIG. 7 collects and accommodates the dust on the floor G while moving the vacuum cleaner 1 as in the vacuum cleaner 1 shown in FIG. Since the two first casters 14 in contact with each other rotate, the cleaner 1 can be easily moved.

  The vacuum cleaner 1 shown in FIG. 8 is in a state of falling on the floor G. Specifically, two first casters 14 provided on the lower housing portion 12 of the vacuum cleaner 1 and one second caster 17 provided on a side portion of the upper housing portion 11 are respectively provided on the floor. It is in contact with the surface G. Even in this state, similarly to the vacuum cleaner 1 shown in FIGS. 6 and 7, the housing upper portion 11, the housing lower portion 12, and the housing end portion 13 disposed in the cleaner 1 are separated from the floor surface G. Yes. The vacuum cleaner 1 shown in FIG. 8 is in a state where the vacuum cleaner 1 is further tilted and falls from the vacuum cleaner 1 shown in FIG. Represents. The state of the vacuum cleaner 1 shown in FIG. 8 also occurs when the direction of the vacuum cleaner 1 is largely changed due to a dead end of the hallway or the like, like the vacuum cleaner 1 shown in FIG. In any case, the vacuum cleaner 1 shown in FIG. 8 collects and stores the dust on the floor G while moving the vacuum cleaner 1 as in the vacuum cleaner 1 shown in FIGS. Since the first casters 14 and the second casters 17 are respectively rotated, the cleaner 1 can be easily moved.

  The vacuum cleaner 1 shown in FIGS. 9A to 9C continuously shows a state in which the vacuum cleaner 1 shown in FIG. 8 rolls further counterclockwise in a perspective view. Similarly, the vacuum cleaner 1 shown in FIGS. 10 (a) to 9 (c) continuously shows the state in the case where the vacuum cleaner 1 shown in FIG. These correspond to FIGS. 9A to 9C, respectively. Specifically, first, the cleaner 1 shown in FIGS. 9A and 10A corresponds to the state of the cleaner 1 shown in FIG. Next, when the vacuum cleaner 1 in the state shown in FIGS. 9A and 10A rolls over in the counterclockwise direction indicated by the arrow P1, as shown in FIGS. 9B and 10B. In addition, the first caster 14 and the upper part 11 of the casing are in contact with the floor surface G, and the posture cannot be maintained as it is. The vacuum cleaner 1 shown in FIGS. 9 (a) and 10 (a) corresponds to, for example, a case in which the vacuum cleaner 1 is subjected to an impact from the lateral direction when it is in contact with a chair or a chiffon (not shown) when the vacuum cleaner 1 is moved. To do. The vacuum cleaner 1 shown in FIG. 9 (b) and FIG. 10 (b) reverses clockwise and returns to the stable state shown in FIG. 9 (a) and FIG. 10 (a), or indicated by the arrow P2. By further overturning in the counterclockwise direction, the two first casters 14 and one second caster 17 shown in FIGS. 9C and 10C are brought into contact with the floor surface G and stabilized. It becomes a state.

  As described above, according to the vacuum cleaner 1 according to the first embodiment of the present invention, the housing upper portion 11 to the housing end portion 13 disposed in the vacuum cleaner 1 can be placed on the floor surface even when the vehicle is tilted and falls over during the movement. By not contacting G, it is possible to prevent the floor G from being damaged without increasing the load during movement. Specifically, the housing upper portion 11, the housing lower portion 12, and the housing end portion 13 disposed in the vacuum cleaner 1 are connected to the contact points of the adjacent first casters 14 and the adjacent first casters 14. It does not protrude from the triangular surface connecting the contact point of the second caster 17 located at the center line. Therefore, when the vacuum cleaner 1 is being used, even if it falls over as shown in FIG. 7 or falls over as shown in FIG. Since there is no contact, it is possible to prevent the floor G from being damaged without increasing the load during movement. Furthermore, when using the vacuum cleaner 1, even when the rollover is caused as shown in FIGS. 9 and 10, the housing upper part 11 to the housing end 13 may temporarily contact the floor G. Therefore, it is possible to prevent the floor G from being damaged without increasing the load during movement.

[Second Embodiment]
The transport device according to the first embodiment of the present invention is configured such that the housing does not contact the floor even when the transport device is greatly inclined and falls during the movement. Such a transport device does not have a dust collecting function, but the other basic configuration is the same as that of the cleaner 1 according to the first embodiment described above. In other words, the transport device accommodates a predetermined content inside and moves the floor surface G, and the housing does not contact the floor surface even when the transport device is tilted and falls down like the cleaner 1. . Therefore, according to the transport device according to the second embodiment of the present invention, as in the case of the vacuum cleaner 1 according to the first embodiment of the present invention, even when the vehicle is tilted and falls over or falls over, It is possible to prevent the floor G and the like from being damaged without increasing the time load.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner 11 Case upper part 11a Lower surface 11b Upper inner peripheral surface 11c 2nd caster protrusion hole 11d Lower inner peripheral surface 11e Dust collector attachment / detachment hole 11f Outer peripheral surface 11g Hose insertion cylinder 11h Upper surface 11i Display attachment surface 11j Upper end opening 12 Case lower part 12a Upper surface 12b Joint surface 12c Mounting surface 12d Exhaust hole 12i Display mounting surface 13 Case end 13a Outer peripheral surface 13b Inner peripheral surface 13c Open end 14 First caster 14a Outer peripheral surface 15 Upper rotation holding member 15a Outer peripheral surface 15b Upper surface 15c Lower surface 15d Contact surface 15e Inner peripheral surface 16 Lower rotation holding member 16a Outer peripheral surface 16b Lower surface 16c Upper surface 16d Contact surface 16e Inner peripheral surface 17 Second caster 17a Outer peripheral surface 18 Aspirator 18a Exhaust surface 18b Intake Surface 18c Outer peripheral surface 19 Dust collector 19a Upper surface 19b Hose connection hole 19c Ventilation surface 20 Dust collector lid 20a Edge surface 0b outer peripheral surface 20c handle part 21 indicator 21a back surface 22 fixing ring 22a back surface 23 hose 23a one end 23b other end 24 suction cylinder 24a handle part 24b fixed cylinder part 24c telescopic cylinder part 24d switch 25 suction nozzle 25a movable part G floor surface P1, P2 arrows

Claims (4)

A vacuum cleaner that collects dust on the floor,
A dust collector that collects dust sucked from the floor;
A first rotating member that is formed in a spherical shape and protrudes from the lower side, and a second rotating member that is formed in a spherical shape and protrudes from the side and is provided with a plurality of the rotating members; Have
In the housing, three or more first rotating members are in contact with the floor surface, or two or more first rotating members and one or more second rotating members are in the state. A vacuum cleaner characterized by not being in contact with the floor surface while in contact with the floor surface. The housing is formed in a substantially triangular pyramid shape,
The first rotating member is provided at each of the lower three corners of the housing,
2. The cleaning according to claim 1, wherein the second rotating member is provided on each of three sides of the casing so as to be positioned on a center line of the adjacent first rotating members. Machine. The housing is formed on a triangular surface connecting each contact point of the adjacent first rotating member and a contact point of the second rotating member located at the center line of the adjacent first rotating member. The vacuum cleaner according to claim 1, wherein the vacuum cleaner does not protrude. A transporting device that moves a floor surface by storing predetermined contents,
A housing having a spherical shape and provided with a plurality of first rotating members projecting from the lower side; and a second rotating member having a spherical shape and projecting from the side and provided with a plurality of sides; Have
In the housing, three or more first rotating members are in contact with the floor surface, or two or more first rotating members and one or more second rotating members are in the state. A transport device characterized by not contacting the floor surface while in contact with the floor surface.