JP2019072487A - Cylinder vacuum cleaner - Google Patents

Abstract

To provide a cylinder vacuum cleaner which comprises a main body 12, rocking portions 96, 98, and wheels 92, 94 disposed between the main body 12 and the rocking portions 96, 98.SOLUTION: The rocking portions 96, 98 are fixed relative to the main body 12, and the wheels 92, 94 are rotatable relative to the main body 12. The wheels 92, 94 contact a surface to be cleaned when the vacuum cleaner 10 is in an upright position, and the rocking portions 96, 98 contact the surface to be cleaned when the vacuum cleaner 10 is tipped over from the upright position, so that the vacuum cleaner 10 can rock on the rocking portions 96, 98. The vacuum cleaner 10 is arranged such that it is urged to return to the upright position if the vacuum cleaner 10 is tipped over from the upright position.SELECTED DRAWING: Figure 13

Description

  The present invention relates to a cylinder type vacuum cleaner.

  Cylinder-type vacuum cleaners generally consist of a main body containing a motor-driven fan unit for drawing a dust-laden air flow into the cylinder-type vacuum cleaner and dust from the air flow, for example a cyclone separator or bag. And a separation device for separating the An air stream containing dust is guided to the body through the suction hose and the wand assembly connected to the body. The main body of the cylinder type vacuum cleaner is drawn around via a hose when the user moves the room. A cleaning tool is attached to the distal end of the hose and wand assembly.

  It has been previously proposed to automatically return to the upright position when falling from the upright position at the time of use, i.e. to use a freestanding cylinder type vacuum cleaner. Patent Document 1 discloses an example of such a self-supporting cylinder type vacuum cleaner.

WO 2013/190306 pamphlet

  In a first embodiment of the invention, in the cylinder type vacuum cleaner comprising a body, a swinging portion and a wheel arranged between the body and the swinging portion, the swinging portion comprises Fixed relative to the body, the wheel is rotatable relative to the body, and the wheel contacts the surface to be cleaned when the cylindrical vacuum cleaner is in the upright position The oscillating part contacts the surface to be cleaned so that the oscillating part is oscillated when the oscillating part falls from an upright position, and the oscillating vacuum A cylinder type vacuum cleaner is provided which is configured to return to the upright position when the cylinder type vacuum cleaner falls from the upright position.

  The cylinder type vacuum cleaner in the first embodiment of the present invention is in principle superior. The cylinder type vacuum cleaner comprises a main body, a swinging portion, and a wheel disposed between the main body and the swinging portion, and the swinging portion is fixed to the main body The wheel is rotatable relative to the body, the hole contacts the surface to be cleaned when the cylinder type vacuum cleaner is in the upright position, and the swinging portion is upright in the cylinder type vacuum cleaner This is because the cylinder type vacuum cleaner can swing the swinging part by contacting the surface to be cleaned when it falls from the posture.

  In particular, since the wheel contacts the surface to be cleaned when the vacuum cleaner is in the upright position, the pivoting part does not need to contact the surface to be cleaned when the vacuum cleaner is in the upright position . This means that the oscillating part does not have to be able to support the weight of the vacuum cleaner in the upright position. Thus, the swinging portion may be formed of a thinner material layer than known in the prior art. Therefore, the manufacturing cost is reduced because the amount of material forming the rocking portion is smaller. Furthermore, the oscillating part does not have to contact the surface to be cleaned when the vacuum cleaner is in the upright position, so the oscillating part has a smaller (ie smaller diameter) configuration according to the prior art Yes). Thus, the amount of material needed to form the rocking portion is reduced and the manufacturing cost of the rocking portion is reduced.

  Because the wheel is disposed between the body and the pivoting part, the appearance of the wheel does not have to be attractive. Thereby, since a cheap plastic material can be utilized for a wheel, manufacturing cost can be reduced.

  Furthermore, by arranging the wheel between the body and the pivoting part, it is possible to form a wheel with an opening. This is because the rocking portion effectively covers the wheel in order to prevent dust from entering through the wheel. This makes it possible to form the wheel with a small amount of material, which reduces the manufacturing cost and reduces the weight of the wheel.

  The wheel is rotatable relative to the rocking portion, for example, freely rotatable relative to the rocking portion. There is a gap between the wheel and the body and / or the rocking part.

  The wheel is attached to the body such that the wheel is disposed between the body, eg, the side of the body and the pivoting portion. The rocking portion covers at least a portion of the wheel, for example covering substantially the entire wheel.

  The cylinder-type vacuum cleaner is configured such that the wheel does not contact the surface to be cleaned, for example, when the oscillating portion contacts the surface to be cleaned, when the cylinder-type vacuum cleaner falls from the upright position And / or the swinging portion is configured not to contact the surface to be cleaned, for example, when the wheel contacts the surface to be cleaned when the cylinder type vacuum cleaner is in the upright position . This is an advantage. When the cylinder type vacuum cleaner falls from the upright position, the wheel does not disturb the self-supporting function of the rocking portion and / or the rocking portion is the wheel when the cylinder type vacuum cleaner is in the upright position Because it does not inhibit the migration function of This enables smooth operation of the cylinder-type vacuum cleaner and eliminates the need for the user to interfere in order to correct the position of the cylinder-type vacuum cleaner at the time of use.

  Furthermore, in an unfavorable situation where the vacuum cleaner does not return to the upright position when it falls from the upright position, the wheel can not be used to move the vacuum cleaner. And, if the oscillating part is fixed relative to the main body, the user needs to draw the vacuum cleaner along the oscillating part in order to move the vacuum cleaner along the surface to be cleaned There is. This provides the user with tactile feedback that the vacuum cleaner has not returned to the upright position. This allows the user to intervene to prevent damage to the surface to be cleaned by returning the vacuum cleaner to the upright position.

  At least a portion of the wheel, for example at least a portion of the rim of the wheel, extends below the lower edge of the body and / or the lower edge of the oscillating portion when the vacuum cleaner is in the upright position There is. This is advantageous in that the vacuum cleaner is supported by at least a portion of the wheel in an upright position.

  The upright posture is a posture in which the vacuum cleaner is supported by the wheel and / or a posture in which the vacuum cleaner is not supported by the swinging portion. The fall posture is a posture in which the vacuum cleaner is not supported by the wheel, and / or a posture in which the vacuum cleaner is supported by the swinging portion.

  At least a portion of the wheel forms a substantially smooth surface with the body. This is advantageous in that the wheel does not interfere with the self-supporting function of the vacuum cleaner when the vacuum cleaner falls from an upright position. The edge of the wheel may not be in line with the edge of the body, for example it may be recessed relative to the edge of the body. The wheel rim forms a substantially smooth surface with the body. A hole rim, excluding the entire rim of the wheel rim, eg, the portion of the rim extending below the lower edge of the body and / or the lower edge of the pivoting portion when the vacuum cleaner is in the upright position The entire of forms a substantially smooth surface with the body. At least a portion of the wheel forms a substantially smooth surface with the body when the vacuum cleaner is turned over.

  The body comprises a generally circular edge adjacent the wheel, the generally circular edge comprising a maximum radius greater than the maximum radius of the wheel. The center point of the surface bounded by the generally circular edge substantially coincides with the center point of the wheel. The axis of rotation of the wheel extends through the center point of the surface bounded by the generally circular edge. The substantially circular edge is truncated in the lower region of the body, for example, such that the straight edge of the lowermost edge of the body communicates with the linear edge at the lowermost edge of the body. The generally circular edge of the body is maintained in a generally flat configuration.

  The wheel is in the form of a generally dome and, for example, comprises a spherical cap. The wheel extends towards a substantially hollow interior. At least a portion of the body extends towards the substantially hollow interior. For example, the body is provided with a generally dome-shaped surface in the area of the wheel. This is advantageous in that the internal space of the main body is enlarged, for example, the built-in parts of the vacuum cleaner can be accommodated inside the wheel.

  At least a portion of the wheel forms a substantially smooth surface with the oscillating portion. This is advantageous in that the wheel does not interfere with the self-supporting function of the vacuum cleaner when the vacuum cleaner falls from an upright position. The wheel rim forms a substantially smooth surface together with the swing. A hole rim, excluding the entire rim of the wheel rim, eg, the portion of the rim extending below the lower edge of the body and / or the lower edge of the pivoting portion when the vacuum cleaner is in the upright position The entire of the two forms a substantially smooth surface with the rocking portion. At least a portion of the wheel forms a substantially smooth surface with the oscillating portion when the vacuum cleaner is in the tipping position.

  The pivoting part is, for example, in the form of a generally dome-shaped ball, such that the pivoting part comprises a spherical cap. This is advantageous in that the vacuum cleaner can swing the swinging part and / or the self-supporting performance of the vacuum cleaner can be enhanced. The rocking portion is generally hollow and configured, for example, such that at least a portion of the wheel and / or at least a portion of the body extend inside the rocking portion. This is advantageous in that the built-in parts of the cylinder type vacuum cleaner can be accommodated inside the wheel and / or the oscillating part.

  Almost the entire wheel is hidden by the rocking part. For example, substantially the entire wheel except the wheel rim is hidden by the rocking portion. This is advantageous in that the pivoting part effectively covers the wheel so that an opening can be formed in the wheel. This allows the wheel to be formed using a small amount of material, thus reducing manufacturing costs and reducing the weight of the wheel. Furthermore, since the substantially whole of the wheel is hidden by the rocking portion, the need for improving the appearance of the wheel is eliminated. This reduces manufacturing costs as inexpensive plastic materials can be used for the wheel. The wheel is formed with at least one opening.

  The cylinder type vacuum cleaner comprises a further oscillating part fixed relative to the body and an additional wheel arranged between the further oscillating part and the body. An additional oscillating part and an additional wheel are arranged on the oscillating part and on the side of the body opposite the wheel. This is advantageous in providing a balanced configuration in the upright position and / or in that the vacuum cleaner can be pivoted to either side in the tipping position.

  The further oscillating part and the further wheel have substantially the same characteristics as the oscillating part and the wheel. The upright posture is the posture in which the cylinder type vacuum cleaner is supported by at least one of the wheel and the further wheel, and / or the cylinder type vacuum cleaner is supported by both the rocking portion and the further rocking portion It is assumed that the attitude is not The fall posture is a posture in which the cylinder type vacuum cleaner is not supported by either the wheel and the additional wheel, and / or the cylinder type vacuum cleaner is supported by at least one of the swinging portion and the further swinging portion It is assumed that

  For a better understanding of the present invention and to more clearly illustrate the principles of the present invention, the present invention will be described with reference to the accompanying drawings.

It is an exploded perspective view of a cylinder type vacuum cleaner in a 1st embodiment of the present invention. It is a front perspective view of the main body of the cylinder type vacuum cleaner shown in FIG. Figure 3 is a rear perspective view of the body shown in Figure 2; FIG. 3 is a top view of the body shown in FIG. 2 with the filter assembly removed. FIG. 3 is an enlarged top view of a portion of the body represented by FIG. 2; Fig. 3 is a front perspective view of the body shown in Fig. 2 with the separating device attached. FIG. 3 is a top view of the body shown in FIG. 2 with the filter assembly inserted. It is a perspective view of the wheel of the cylinder type vacuum cleaner shown in FIG. It is a side view of the main part of the cylinder type vacuum cleaner shown in Drawing 1 in the state where a wheel and oscillating part were removed. It is a front view of the main part of the cylinder type vacuum cleaner shown in Drawing 1 in the state where a wheel and rocking part were removed. It is a perspective view of the rocking | fluctuation part of the cylinder type vacuum cleaner shown in FIG. It is a top view of the main body shown in FIG. 2 which abbreviate | omitted the uppermost surface of the main body. It is a front view of the main body and isolation | separation apparatus of a cylinder type vacuum cleaner which are shown in FIG. 1 which are an upright position. FIG. 14 is a rear elevation view of the main body and the separating device shown in FIG. 13 in a tipping posture. It is an enlarged view of the broken line area | region shown in FIG.

  FIG. 1 is a schematic view of a cylinder type vacuum cleaner 10 in the present invention.

  The cylinder type vacuum cleaner 10 comprises a body 12, a separator 14, a flexible hose 16, a wand assembly 18 and a cleaner head 20. The separator 14, the flexible hose 16, the wand assembly 18 and the cleaner head 20 are based on the prior art and thus will not be described in detail here, but it goes without saying that the separator 14 A cyclone type separator having a contaminated air inlet (inlet for sucking in air containing dust) formed on the lower surface of the vessel 14 and a clean air outlet (outlet for discharging the purified air) . Although a Sacron separator is used herein, other forms of separator may be used to achieve the technical effects of the present invention.

  2 to 5 show the body 12 with the other components of the cylinder type vacuum cleaner 10 removed. The body 12 is generally spherically hollow and flat with the separator recess 22, the contaminated air inlet assembly 24, the clean air inlet opening 26, the filter assembly recess 28, the clean air outlet assembly 30 and the handle 32. And the lower surface 34.

  The separator recess 22 is shaped and dimensioned to receive the separator 14 such that a portion of the separator 14 protrudes upwardly from the separator recess 22 as shown in FIG. The separator 14 extends outwardly from the separator recess 22 but the combined shape of the body 12 and the separator 14 is generally spherical in shape.

  The contaminated air inlet assembly 24 includes a wand assembly connector 36 and a contaminated air inlet duct 38. The wand assembly connector 36 comprises a connecting body, in which a slot 40 is formed. The slot 40 is shaped and dimensioned to receive the corresponding portion of the wand assembly 18. The contaminated air inlet duct 38 comprises a hollow cylindrical projection or plug projecting from the connecting body. The contaminated air inlet duct 38 is shaped and sized to be receivable inside the corresponding contaminated air inlet of the separator 14. When the separator 14 is attached to the body 12, the contaminated air inlet duct 38 functions to support the separator 14 and to supply fluid to the separator 14.

A clean air inlet opening 26 is formed in the curved surface of the separator recess 22 and is covered by the mesh 42. The clean air inlet opening 26 is shaped and sized to receive air from the clean air outlet of the separator 14 when the separator 14 is attached to the body 12. The clean air inlet opening 26 is in fluid communication with a motorized fan unit 114 mounted inside the body 12.

  A filter assembly recess 28 is formed in the curved surface of the separator recess 22 and is spaced apart from the clean air inlet opening 26. The filter assembly recess 28 is shaped and dimensioned to receive the removable filter assembly 44, and FIG. 7 represents the filter assembly 44 located in the insertion position.

  The clean air outlet assembly 30 comprises an outlet duct 86 extending from the body 12 and an outlet opening 88 formed in the outlet duct 86. The outlet duct 86 is integrally formed with the wand assembly connector 36 but is in fluid communication with the wand assembly connector 36. The outlet duct 86 is in fluid communication with the filter outlet when the filter assembly 44 is disposed within the filter assembly recess 28. If desired, the outlet duct 86 may be filled with a material capable of removing appropriate noise, such as, for example, acoustic foam. A caster wheel 90 for supporting and moving the cylinder type vacuum cleaner 10 is provided on the lower surface of the outlet duct 86.

  The handle 32 is curved and disposed at the rear end of the body 12. The main body 12 is pivotable about the handle 32 when the cylinder type vacuum cleaner 10 falls backward from the upright position.

  The flat lower surface 34 is substantially parallel to the surface to be cleaned when the cylinder type vacuum cleaner 10 is in the upright position. At the rearmost edge of the flat lower surface 34, a roller 91 for supporting and moving the cylinder type vacuum cleaner 10 is provided.

  The first wheel 92 and the second wheel 94, and the first rocking portion 96 and the second rocking portion 98 are external to the cylinder type vacuum cleaner 10 on both sides of the cylinder type vacuum cleaner 10. It is attached.

  The first wheel 92 and the second wheel 94 have the same shape. The first wheel 92 and the second wheel 94 have a substantially dome shape. FIG. 8 shows a single wheel. The first wheel 92 and the second wheel 94 are rotatably attached to the side faces 100 and 102 of the main body 12 respectively. As shown in FIGS. 9 and 10, the side surfaces 100 and 102 have the same shape.

  The side surfaces 100, 102 are generally dome-shaped and when the first wheel 92 and the second wheel 94 are attached to the body 12, the hollow interiors of the first wheel 92 and the second wheel 94, respectively. Extends towards the The side surfaces 100, 102 have a curved edge 104 and a lower linear edge 106 that forms the edge of the flat lower surface 34 of the body 12. As shown in FIG. 10, the side surfaces 100 and 102 are inclined with respect to the surface to be cleaned when the cylinder type vacuum cleaner 10 is in the upright position, and the cylinder type vacuum cleaner 10 is in the upright position. When facing the surface to be cleaned.

  The first wheel 92 and the second wheel 94 have smaller radii than the side faces 100 and 102 respectively, and when the cylinder type vacuum cleaner 10 is in the upright position, the first wheel 92 and the The side surfaces 100, 102 are mounted such that the rotational axis of the wheel 94 of 2 is inclined relative to the surface to be cleaned. The first wheel 92 and the second wheel 94 are attached to the side surfaces 100 and 102 at the apexes of the dome-shaped first and second wheels 92 and 94 and the apexes of the dome-shaped side surfaces 100 and 102. ing.

  The first wheel 92 and the second wheel 94 are such that the rims 93 of the first wheel 92 and the second wheel 94 form a substantially smooth surface with the curved edges 104 of the sides 100, 102 And, the rims 93 of the first wheel 92 and the second wheel 94 are attached to the side faces 100, 102 so as to extend below the lower straight edges 106 of the side faces 100, 102. An attachment that produces a substantially smooth surface is best illustrated in FIG. Thus, the cylinder-type vacuum cleaner 10 can be supported by the wheels 92 and 94 in the upright position, but when the cylinder-type vacuum cleaner 10 falls from the upright position, the cylinder-type vacuum cleaner 10 becomes independent. Disturbance to the function is eliminated.

  The first wheel 92 and the second wheel 94 have a plurality of openings 108, thus reducing the amount of material needed to form the first wheel 92 and the second wheel 94. Be done. Thereby, the manufacturing cost of the first wheel 92 and the second wheel 94 can be reduced.

  The first rocking portion 96 and the second rocking portion 98 have substantially the same dome shape. FIG. 11 shows the swinging part alone. The first rocking portion 96 and the second rocking portion 98 may, for example, be such that the first rocking portion 96 and the second rocking portion 98 can not rotate relative to the body 12 In the state fixed to the side surfaces 100 and 102 of the main body 12. The side surfaces 100, 102 and the first wheel 92 and the second wheel 94 extend towards the hollow interiors of the first rocking portion 96 and the second rocking portion 98 respectively. Since each of the first rocking portion 96 and the second rocking portion 98 comprises the curved edge 110 and the lower linear edge 112, the first rocking portion 96 and the second rocking portion The domed portion of portion 98 is truncated.

  The first rocking portion 96 and the second rocking portion 98 are the top of the dome-shaped first and second wheels 92 and 94, the first rocking portion 96 and the second rocking portion 98. , And at the apexes of the dome-like side surfaces 100 and 102, the side surfaces 100 and 102 and the first wheel 92 and the second wheel 94 are attached. The rim 93 of the first wheel 92 and the second wheel 94 forms a substantially smooth surface with the curved edge 110 of the first rocking portion 96 and the second rocking portion 98, The rims 93 of the first wheel 92 and the second wheel 94 extend below the lower straight edge 112 of the first rocking portion 96 and the second rocking portion 98. An attachment that produces a substantially smooth surface is best illustrated in FIG. Thus, the cylinder-type vacuum cleaner 10 can be supported by the wheels 92 and 94 in the upright position, but when the cylinder-type vacuum cleaner 10 falls from the upright position, the cylinder-type vacuum cleaner 10 becomes independent. Disturbance to the function is eliminated.

  The dome-shaped first rocking portion 96 and the second rocking portion 98 increase the spherical degree of the main body 12 so that even if the cylinder type vacuum cleaner 10 falls from the upright position, that is, the cylinder Even if the vacuum cleaner 10 is not supported by the first wheel 92 and the second wheel 94, the cylinder vacuum cleaner 10 can be operated with the first swinging portion 96 and the second swinging portion 98. Can swing. Thereby, the cylinder type vacuum cleaner 10 can be made to stand by itself in combination with lowering the center of gravity of the cylinder type vacuum cleaner 10 as much as possible. That is, when the cylinder type vacuum cleaner 10 is automatically put in the upright position, for example, when the cylinder type vacuum cleaner 10 falls from the upright position when being used, the cylinder type vacuum cleaner 10 has the first wheel 92 and the second Can be returned to the position supported by the wheel 94 of

  A motor driven fan unit 114 for generating an air flow passing through the separator 14 during use; a cable unwinding unit (not shown) for pulling and storing an electrical cable inside the body 12; a cylinder Appropriate control electronics 118 for controlling the mold vacuum cleaner 10 are mounted inside the body 12.

  The motor driven fan unit 114 and the cable unwinding unit are based on the prior art and will not be described in detail herein.

  Since the motor driven fan unit 114 is relatively heavy, the center of gravity of the cylinder type vacuum cleaner 10 can be relatively lowered by disposing the motor driven fan unit 114 below the separator 14. As a result, the stability of the cylinder type vacuum cleaner 10 is improved. Furthermore, the handling and operation of the cylinder type vacuum cleaner 10 is further facilitated. The motor-driven fan unit 114 and / or other components of the cylinder-type vacuum cleaner 10 may be used in one of the first swing portion 96 and the second swing portion 98 of the cylinder-type vacuum cleaner 10. Even when it falls to one swinging portion, the cylinder type vacuum cleaner 10 is arranged to be biased to return to its upright posture. This is achieved by reducing the center of gravity of the body 12, for example by properly positioning the motorized fan unit 114.

  In use, various components are attached to the body 12. The user can start the operation of the cylinder type vacuum cleaner 10 because the motor driven fan unit 114 can generate the suction flow passing through the cylinder type vacuum cleaner 10 by pressing the button of the main body 12 be able to. Air is drawn into the interior of the cleaner head 20 and passes through the wand assembly 18 and the flexible hose 16 to reach the interior of the separator 14 via the contaminated air inlet duct 38.

  Dust is removed from the air flow by the separator 14 and clean air passes from the separator 14 through the clean air inlet opening 26 to the motorized fan unit 114 contained in the body 12.

  A plurality of bleed ports are formed in the housing of the motor driven fan unit 114, and the bleed ports are disposed in front of the motor of the motor driven fan unit 114. The bleed port generates a negative air pressure inside the body 12 so that air may be, for example, through the vent 12 formed in the sides 100, 102 of the body 12 (as shown in FIG. 9), or It is drawn into the interior of the body 12 through the twelve cable inlets 124 (see FIG. 3). Since the vent 122 is disposed below the first wheel 92 and the second wheel 94, air may be used during use by forming the opening 108 in the first wheel 92 and the second wheel 94. Through the vent 122. Because at least some of the vents 122 are located in the area of the control electronics 118, at least a portion of the air flow from the exterior of the body 12 to the bleed vents formed in the housing of the motorized fan unit 114 is The control electronics 118 can be cooled.

  Airflow exhausted by the motorized fan unit 114 passes through the filter assembly 44 and is exhausted to the atmosphere through the outlet duct 86 and the outlet opening 88 of the clean air outlet assembly 30.

  In use, the cylindrical vacuum cleaner 10 is moved along the surface to be cleaned by the user pulling on the flexible hose 16 and / or wand assembly 18. The first and second wheels 92 and 94 allow the cylinder type vacuum cleaner 10 to move along the surface in an upright position, as shown in FIG. If sufficient force is exerted on the cylinder-type vacuum cleaner 10 when the cylinder-type vacuum cleaner 10 is dragged by the user, the cylinder-type vacuum cleaner 10 falls from the upright position, thereby causing the cylinder The mold vacuum cleaner 10 may not be supported at all by the first wheel 92 and the second wheel 94. In the tipping posture as shown in FIG. 14, the cylinder type vacuum cleaner 10 can swing the first swinging portion 96 and the second swinging portion 98, and as a result, the main body 12 is low. The center of gravity and the cylinder type vacuum cleaner 10 can return to the upright position without requiring the assistance of the user. Therefore, the cylinder type vacuum cleaner 10 can be regarded as a self-supporting vacuum cleaner.

Reference Signs List 10 cylinder type vacuum cleaner 12 main body 14 separator 16 flexible hose 18 wand assembly 20 cleaner head 22 separator recess 24 contaminated air inlet assembly 26 clean air inlet opening 28 filter assembly recess 30 clean air Outlet Assembly 32 Handle 34 Flat Bottom Side 36 Wand Assembly Connector 38 Contaminated Air Inlet Duct 40 Slot 42 Mesh 44 Filter Assembly 86 Outlet Duct 88 Outlet Opening 90 Caster Wheel 91 Roller 92 First Wheel 93 Rim 94 Second Wheel 96 first rocking portion 98 second rocking portion 100 side (of body 12) side 102 (of body 12) side 104 (of side 100, 102) curved edge 106 (of side 100, 102) underside Straight edge 108 (of first wheel 92 and second wheel 94) Mouth 114 motor-driven fan unit 118 the control electronics 122 vent 124 cable inlet

Claims (11)

A cylinder type vacuum cleaner comprising a main body, a rocking portion, and a wheel disposed between the main body and the rocking portion,
The rocking portion is fixed relative to the body;
The wheel is rotatable relative to the body;
The wheel is in contact with the surface to be cleaned when the cylinder type vacuum cleaner is in the upright position;
When the cylinder type vacuum cleaner falls over from the upright position, the swinging portion contacts the surface to be cleaned so that the cylinder type vacuum cleaner swings the swinging portion,
A cylinder type vacuum cleaner, wherein the cylinder type vacuum cleaner is configured to return to the upright position when the cylinder type vacuum cleaner falls from the upright position.   The cylinder-type vacuum cleaner according to claim 1, wherein the wheel does not contact the surface to be cleaned when the cylinder-type vacuum cleaner falls from the upright position. Cylinder type vacuum cleaner.   The cylinder type vacuum cleaner is configured such that the swinging portion does not contact the surface to be cleaned when the cylinder type vacuum cleaner is in the upright posture. Or the cylinder type vacuum cleaner as described in 2.   The cylinder-type vacuum cleaner according to any one of claims 1 to 3, wherein the rocking portion is formed in a dome shape.   5. A cylinder type vacuum cleaner according to claim 4, wherein the wheel and / or the body extend towards the interior of the oscillating part.   The cylinder-type vacuum cleaner according to claim 4 or 5, wherein the wheel is formed in a dome shape and extends toward the inside of the rocking portion.   7. The cylinder type vacuum cleaner according to claim 6, wherein the body extends toward the inside of the wheel.   The cylinder type vacuum cleaner according to any one of claims 1 to 7, wherein at least a part of the wheel forms a smooth surface with the main body.   The cylinder type vacuum cleaner according to any one of claims 1 to 8, wherein at least a portion of the wheel forms a smooth surface with the swinging portion.   The cylinder type vacuum cleaner according to any one of claims 1 to 9, wherein the whole of the wheel except the rim of the wheel is hidden by the swinging portion.   The cylinder-type vacuum cleaner according to any one of claims 1 to 10, wherein the cylinder-type vacuum cleaner comprises a set of wheels arranged on each side of the main body.

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