Electric cleaning system

Abstract

To provide an electric cleaning system capable of efficiently sucking dust cut off from a rotary cleaning body of a suction tool of an electric vacuum cleaner mounted on a stand. [Solution] The vacuum cleaning system S includes a vacuum cleaner 1 and a stand 2 on which the vacuum cleaner 1 is mounted. The vacuum cleaner 1 has a suction tool 17 with a rotary cleaning body 174 and a suction port. The stand 2 is arranged in an opposing section 242 facing the suction tool 17 of the mounted vacuum cleaner 1, and has cleaning means 25 that cuts off dust adhering to the rotary cleaning body 174 of the suction tool 17 of the vacuum cleaner 1 mounted on the stand 2. The electric blower generates an airflow for sucking dust from the suction port into the dust collecting section. The air guide section 3 is located on the opposite side of the suction port 172 with respect to the rotation axis 1741 of the rotary cleaning body 174 of the suction tool 17 of the vacuum cleaner 1 mounted on the stand 2, and guides the dust cut off by the cleaning means 25 toward the suction port 172 by the airflow.

Description

[Technical Field]

[0001] An embodiment of the present invention relates to a vacuum cleaning system comprising a vacuum cleaner and a stand on which the vacuum cleaner is mounted. [Background technology]

[0002] In a conventional electric cleaning system in which a vacuum cleaner is attached to a stand and stored after cleaning is finished, thread-like dust such as hair and fibers that has become entangled in the rotating cleaning body of the suction tool provided in the vacuum cleaner is cut with a blade located on the stand's mounting portion on which the suction tool is placed while the vacuum cleaner is attached to the stand and stored, and the cut dust is collected in a dust collection portion by the suction force of an electric blower built into the vacuum cleaner. In this configuration, the cut dust is scattered on the mounting portion of the stand, but because its surface area is small, it is difficult to suck up dust in locations that the rotating cleaning body cannot reach with the suction force of the electric blower acting from the suction tool. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2018-134330 Summary of the Invention [Problem to be solved by the invention]

[0004] An object of the present invention is to provide an electric cleaning system that can efficiently suck up dust cut off from a rotating cleaning body of a suction tool of an electric vacuum cleaner mounted on a stand. [Means for solving the problem]

[0005] An embodiment of a vacuum cleaning system includes a vacuum cleaner, a stand to which the vacuum cleaner is attached, an electric blower, a dust collection unit that captures dust sucked in by the airflow generated by the electric blower, and an air guide unit. The vacuum cleaner has a suction tool with a rotary cleaning body and a suction port. The stand has a support section that supports the vacuum cleaner, a base section that supports the support section in an installation position, an opposing section that faces the suction tool of the vacuum cleaner attached to the stand, and cleaning means that is disposed at the opposing section and cuts off dust adhering to the rotary cleaning body of the suction tool of the vacuum cleaner attached to the stand. The electric blower generates an airflow that sucks dust from the suction port to the dust collection unit. The air guide unit is located on the opposite side of the suction port from the axis of rotation of the rotary cleaning body of the suction tool of the vacuum cleaner attached to the stand. , and excludes the area facing the suction port of the vacuum cleaner attached to the stand in the front-to-back direction when viewed from above. position Located The dust cut off by the cleaning means is guided to the suction port side by the air current. [Brief explanation of the drawings]

[0006] [Figure 1] FIG. 4 is an enlarged cross-sectional view of a portion of FIG. 3 of the electric cleaning system of the first embodiment. [Figure 2] 5 is an enlarged cross-sectional view of a portion of FIG. 4 of the electric cleaning system. FIG. [Figure 3] FIG. 2 is a central cross-sectional view showing a part of the electric cleaning system. [Figure 4] 6 is a cross-sectional view of a portion of the electric cleaning system taken along a line II in FIG. 5. FIG. [Figure 5] FIG. 2A is a plan view showing a part of the electric cleaning system, and FIG. 2B is an enlarged plan view of a part of FIG. [Figure 6] FIG. 2 is a vertical cross-sectional view schematically showing the electric cleaning system. [Figure 7] 3 is a plan view showing an example of a suction tool of the vacuum cleaner of the electric cleaning system from below. FIG. [Figure 8] FIG. [Figure 9] FIG. 2 is a perspective view showing a part of the stand of the electric cleaning system. [Figure 10]FIG. 2 is a perspective view showing the electric cleaning system. [Figure 11] FIG. 4 is a cross-sectional view showing a part of the electric cleaning system of the second embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0007] (First embodiment) The first embodiment will be described below with reference to the drawings.

[0008] 6 and 10, S denotes a cleaning system. The cleaning system S includes a vacuum cleaner 1 and a stand 2. The cleaning system S is configured so that when cleaning, the vacuum cleaner 1 is removed from the stand 2 and operated for use, and when cleaning is finished, the vacuum cleaner 1 is stopped and attached to the stand 2 for storage.

[0009] The electric vacuum cleaner 1 is equipped with a first power supply unit 10, which is a vacuum cleaner-side power supply unit, and is driven by power supplied from the first power supply unit 10. The electric vacuum cleaner 1 is equipped with a first electric blower 11, which is a vacuum cleaner-side electric blower, and the suction action of first electric blower 11 collects dust in a first dust collecting unit 12, which is a vacuum cleaner-side dust collecting unit. The operation of first electric blower 11 is controlled by first control means, which is a vacuum cleaner-side control means. The electric vacuum cleaner 1 also has a grip unit 14 that is gripped by the user when performing cleaning operations. The electric vacuum cleaner 1 is also equipped with an operation switch 15 that sets the operating operation of the electric vacuum cleaner 1, and the operating operation of the electric vacuum cleaner 1 is controlled in response to the user's operation of operation switch 15.

[0010] 6 and 8 is, for example, a handheld or stick-type vacuum cleaner. Vacuum cleaner 1 includes vacuum cleaner main body 16, to which an attachment, suction tool 17, is connected directly or via tubular body 18. The figures show an example in which suction tool 17 is connected to vacuum cleaner main body 16 via tubular body 18. Vacuum cleaner 1 is detachable from stand 2; it is removed from stand 2 when in use, and is attached and supported by stand 2 when cleaning is finished or when stored.

[0011] In this embodiment, a cordless electric vacuum cleaner is exemplified, in which the first power supply unit 10 is a DC power supply unit such as a secondary battery or a battery, but it may also be a cord reel device that draws power from a commercial power source. The first power supply unit 10 is disposed, for example, inside the grip unit 14. However, the first power supply unit 10 is not limited to this, and may also be disposed inside the vacuum cleaner main body 16, etc.

[0012] First electric blower 11 can be operated by power supplied from first power supply unit 10. The operation of first electric blower 11 is controlled by first control means controlling the power supply from first power supply unit 10.

[0013] The dust separation method of the first dust collecting section 12 may be any method, but in the example shown, a cyclone separation type or centrifugal separation type dust collecting section is used, which separates dust from air by swirling the dust-containing air.

[0014] A microcomputer is preferably used as the first control means. The first control means is operable by power supplied from the first power supply unit 10. A signal corresponding to an operation of the operation switch 15 by the user is input to the first control means.

[0015] The grip portion 14 is formed integrally with the vacuum cleaner main body 16. However, the grip portion 14 may be formed integrally with the tube body 18 depending on the configuration of the electric vacuum cleaner 1.

[0016] The vacuum cleaner main body 16 is formed in an elongated shape. The vacuum cleaner main body 16 houses a first control means, a first electric blower 11, and a first dust collecting unit 12. For example, the first electric blower 11 and the first dust collecting unit 12 are arranged coaxially or approximately coaxially side by side in the longitudinal direction of the vacuum cleaner main body 16. The vacuum cleaner main body 16 is formed with a main body suction port 160 that communicates with the suction side of the first electric blower 11 via the first dust collecting unit 12, and a main body exhaust port 161 for exhaust that communicates with the exhaust side of the first electric blower 11. In this embodiment, the vacuum cleaner main body 16 is also formed with a dust discharge port 162 that communicates with the first dust collecting unit 12. The dust discharge port 162 is a portion that discharges dust collected in the first dust collecting unit 12 so that it can be transferred to the stand 2 side. Dust discharge port 162 can be opened and closed by opening / closing means 163 such as an opening / closing valve, and is closed when vacuum cleaner 1 is being used to collect dust in first dust collecting section 12, and is opened when the dust collected in first dust collecting section 12 is transferred from first dust collecting section 12 to stand 2. Opening and closing of opening / closing means 163 may be controlled electrically, or may be controlled mechanically depending on, for example, the attachment of vacuum cleaner 1 to electric cleaning device 1. Dust discharge port 162 and opening / closing means 163 may be formed in first dust collecting section 12.

[0017] 7 and 8 is also called a suction port body, floor brush, suction head, etc. The directions of the suction tool 17 are based on the direction seen from the user when the tool is placed on a horizontal surface to be cleaned. In the figures, the arrow U direction is the upward direction, the arrow D direction is the downward direction, the arrow FR direction is the forward direction, the arrow RR direction is the backward direction, the arrow L direction is the leftward direction, and the arrow R direction is the rightward direction.

[0018] Suction tool 17 has a case body 170 that is elongated in the left-right direction as seen from the user, that is, is horizontally long, and a connection pipe 171 for connecting suction tool 17 to the suction side of first electric blower 11.

[0019] Case body 170 has a generally rectangular box shape. Case body 170 has an intake port 172 formed at its bottom. Intake port 172 is used to suck dust into first dust collecting unit 12 using an airflow generated by first electric blower 11 (shown in FIG. 6). That is, a cleaning air passage is formed from intake port 172 to first dust collecting unit 12 to suck dust during cleaning. Intake port 172 communicates with connecting pipe 171, and is a portion on which the suction force of first electric blower 11 (shown in FIG. 6) acts directly via connecting pipe 171. Intake port 172 is located in the center in the left-right direction of suction tool 17 or case body 170. In this embodiment, intake port 172 is located in the generally central portion in the front-rear direction of suction tool 17 or case body 170. Intake port 172 extends in the left-right direction. The suction port 172 has a predetermined width W1 in the left-right direction.

[0020] In this embodiment, suction port 172 is formed in suction chamber 173. Suction chamber 173 is formed as a room that is long in the left-right direction. For example, suction chamber 173 is formed as a long, narrow dust suction groove that extends further left-right than suction port 172. The lower part of suction chamber 173 opens to underside 1700 of case body 170, which forms the lower part of suction tool 17. Note that underside 1700 of case body 170 refers to the flat portion that forms the lowest part of case body 170. In the illustrated example, suction port 172 is formed in the rear surface of suction chamber 173, but this is not limiting and suction port 172 may also be formed in the ceiling of suction chamber 173. Therefore, suction port 172 is located above underside 1700 of case body 170. The lower part of suction chamber 173 that faces the part to be cleaned opens to underside 1700 of case body 170. In the suction chamber 173, the suction port 172 is the portion where the negative pressure is greatest.

[0021] A rotating cleaning body 174 is also disposed in the suction tool 17. The rotating cleaning body 174 removes dust from the surface to be cleaned, such as a floor, by rotating during cleaning. The rotating cleaning body 174 is cylindrical, and a cleaning member 1740 is disposed on its outer circumferential surface. The rotating cleaning body 174 is located at least in the lower part of the suction tool 17 or the case body 170. The rotating cleaning body 174 is disposed in the suction tool 17 with the left-right direction as the direction of the rotation axis 1741. In this embodiment, the rotating cleaning body 174 is disposed in a cleaning body chamber 175 of the case body 170. In the illustrated example, the cleaning body chamber 175 is formed in the case body 170 as a chamber separate from the suction chamber 173. However, the present invention is not limited to this. The cleaning body chamber 175 may be integral with the suction chamber 173 in which the suction port 172 is formed, or a portion of the cleaning body chamber 175, such as a lower portion, may be formed to communicate with the suction chamber 173. The cleaning element chamber 175 is formed as a room that is long in the left-right direction. The cleaning element chamber 175 is located forward of the suction chamber 173 and the suction port 172. In this embodiment, the cleaning element chamber 175 is adjacent to the front of the suction chamber 173. In the example shown, the cleaning element chamber 175 is located at the front of the case body 170. The lower part of the cleaning element chamber 175 is open in the underside 1700 of the case body 170, and the entire lower part of the rotating cleaning element 174 is exposed from the underside 1700 of the case body 170 through this opening, making it possible for it to come into contact with the part to be cleaned. The rotating cleaning element 174 is arranged so that its rotation axis 1741 is located forward of the suction port 172, and is in a range that at least partially overlaps with the forward projection of the suction port 172 in a plan view or when viewed from the up-down direction.

[0022] In this embodiment, a pair of rotary cleaning bodies 174 are arranged left and right in the cleaning body chamber 175, and are cantilevered by a rotary cleaning body support part 176 located immediately before the suction port 172 at the left-right center of the suction tool 17 or the case body 170. In this example, the rotary cleaning body support part 176 is formed as a wall that separates the cleaning body chamber 175 into left and right. In this embodiment, a dust removal member 1760 is attached to the lower part of the rotary cleaning body support part 176. However, the present invention is not limited to this, and a configuration may also be used in which the cleaning body chamber 175 is formed as a single room connected in the left-right direction, and one rotary cleaning body 174 is supported at both ends in the cleaning body chamber 175, with the rotary cleaning body support part 176 formed on the side of the cleaning body chamber 175, etc.

[0023] The rotary cleaning body 174 is driven to rotate by a cleaning body motor 177, which is the motor shown in FIGS. 1 and 3. The cleaning body motor 177 is housed inside the case body 170 of the suction tool 17. The cleaning body motor 177 is operable by power supplied from a first power supply unit 10 (shown in FIG. 6). The operation of the cleaning body motor 177 is controlled by first control means controlling the power supplied from the first power supply unit 10 (shown in FIG. 6). The cleaning body motor 177 has lower power consumption or less power than the first electric blower 11. The cleaning body motor 177 rotates the rotary cleaning body 174 at high speed. The cleaning body motor 177 transmits power to the rotary cleaning body 174 via a transmission unit T arranged inside the rotary cleaning body support unit 176.

[0024] As shown in FIGS. 2 and 7 , a support portion 178 is preferably disposed at the bottom of suction tool 17 for supporting suction tool 17 relative to the part to be cleaned. The bottom of support portion 178 protrudes downward relative to underside 1700 of case body 170. There may be one or more support portions 178 as long as they can support suction tool 17 in a balanced manner relative to the part to be cleaned; however, in this embodiment, a plurality of support portions 178 are provided. In the illustrated example, support portion 178 includes a first support portion 1780 located on the front side of suction tool 17 or case body 170, a second support portion 1781 located rearward of first support portion 1780, a third support portion 1782 located rearward of second support portion 1781, and a fourth support portion 1783 located rearward of third support portion 1782 and on the rear side of suction tool 17 or case body 170.

[0025] The first support portion 1780 is located at the front of the suction tool 17 or the case body 170. For example, the first support portion 1780 is located at the center in the left-right direction. In this embodiment, the first support portion 1780 is located in front of the dust removal member 1760 in the rotary cleaning element support portion 176. The second support portion 1781 is located on both sides of the suction chamber 173. The third support portion 1782 is located on one side in the left-right direction. For example, the third support portion 1782 serves as a detector for a safety device that detects whether the suction tool 17 is approaching or leaving the part to be cleaned and switches on and off the operation permission of the cleaning element motor 177 accordingly. The fourth support portion 1783 is located at the rearmost part of the suction tool 17 or the case body 170. The fourth support portion 1783 is located at the center in the left-right direction. For example, the fourth support portion 1783 is located below the connecting pipe 171.

[0026] In this embodiment, the first support part 1780 to the fourth support part 1783 are wheels that can rotate in the forward and backward directions, but they are not limited to this and may be any configuration, such as a wiping member such as a raised cloth that comes into contact with the part to be cleaned to wipe off dust, a sliding member to improve the operability of the suction tool 17, or a simple protrusion.

[0027] Preferably, a seal portion 179 is disposed at the bottom of the suction tool 17. The seal portion 179 has the function of ensuring the degree of vacuum at the suction port 172. The seal portion 179 also has the function of blocking dust moving from the front of the suction port 172 from passing through the rear of the suction port 172 or the suction chamber 173. In this embodiment, the seal portion 179 also functions as a wiping member that wipes and polishes dust from the surface to be cleaned, such as a hardwood floor, by contacting the surface. The seal portion 179 protrudes downward from the bottom surface 1700 of the case body 170. The seal portion 179 is disposed adjacent to or close to the rear of the suction port 172 and has a longitudinal shape with a width equal to or greater than the width of the suction port 172 in the left-right direction. In this embodiment, the seal portion 179 is positioned in the form of a wall extending between the ends of the rotating cleaning body 174 or along both sides of the case body 170. Second support portions 1781 of the support portion 178 are located adjacent to the front portions of both side portions of the seal portion 179. The seal portion 179 is made of, for example, a raised fabric.

[0028] Then, with suction mouth body 1 placed on the part to be cleaned, support portion 178 and seal portion 179 set the height of the gap in the vertical direction between underside 1700 of case body 170 of suction tool 17 and the installed part. For example, for a flat, hard installed part, the amount of protrusion of support portion 178 from underside 1700 of case body 170 becomes the height of the gap, and for a soft installed part such as a carpet onto which suction tool 17 sinks due to its own weight, a gap smaller than the amount of protrusion of support portion 178 from underside 1700 of case body 170 is formed.

[0029] The connecting pipe 171 connected to the rear of the case body 170 is also called a rotating pipe or the like, and is connected to be rotatable relative to the case body 170. The connecting pipe 171 protrudes from the rear of the case body 170. The connecting pipe 171 is selectively attached to and detached from the pipe body 18 or the main body suction port 160 of the vacuum cleaner main body 16.

[0030] The operation switch 15 shown in Figures 6 and 8 is disposed on the vacuum cleaner main body 16 or the tube body 18. The operation switch 15 is capable of switching on and off the operation of the first electric blower 11. In this embodiment, the operation switch 15 is capable of switching on and off the operation of the cleaning element motor 177, which rotates the rotary cleaning element 174, and / or the operating speed of the cleaning element motor 177, i.e., the rotation speed of the rotary cleaning element 174. During cleaning, the cleaning element motor 177 is preferably turned on and off in conjunction with the on and off of the first electric blower 11 in response to operation of the operation switch 15, but may also be turned on and off by the operation switch 15 independently of the first electric blower 11 while the first electric blower 11 is operating.

[0031] In this embodiment, tube body 18 is an extension tube formed in a straight tube shape. Preferably, tube body 18 is detachable from connection tube 171 of vacuum cleaner body 16 and suction tool 17, allowing the vacuum cleaner 1 to be used selectively in one of the following states: a state in which tube body 18 and suction tool 17 are not used, a handy state in which connection tube 171 of suction tool 17 is directly connected to main body suction port 160 of vacuum cleaner body 16, or a stick state in which connection tube 171 of suction tool 17 is connected to tube body 18 and tube body 18 is connected to main body suction port 160 of vacuum cleaner body 16. Furthermore, tube body 18 is not limited to a straight tube shape, and depending on the configuration of vacuum cleaner 1, tube body 18 may have a flexible portion such as a hose body.

[0032] Preferably, the vacuum cleaner 1 includes first attachment detection means which is attachment detection means serving as cleaner-side attachment detection means that detects attachment of the vacuum cleaner 1 to the stand 2. In other words, the first attachment detection means is stand detection means that detects the stand 2 to which the vacuum cleaner 1 is attached. The first attachment detection means may be a contact or non-contact sensor, or may be a mechanical switch or the like. The detection result by the first attachment detection means is input to the first control means.

[0033] The stand 2 shown in FIGS. 6 and 10 is a support base that supports the vacuum cleaner 1 when not in use. When the first power supply unit 10 of the vacuum cleaner 1 is a secondary battery, the stand 2 preferably functions as a charging stand. In this embodiment, the stand 2 is used as a dust collection device that transfers dust collected in the first dust collection unit 12 of the vacuum cleaner 1, that is, by being installed on an installation location such as a floor. In this embodiment, the stand 2 is described as being attached to the vacuum cleaner 1 in a stick state. However, the vacuum cleaner 1 may also be attached in a handheld state with the tube body 18 attached separately. Note that the following description of the up-down direction is based on the state in which the stand 2 is installed in a horizontal installation position. Furthermore, with regard to the front-to-rear direction, the side facing the user is defined as the front direction, and the opposite side is defined as the rear direction. Furthermore, the left-to-right direction is based on the direction of the stand 2 as viewed from behind. These directions correspond to the directions in which the suction tool 17 of the vacuum cleaner 1 attached to the stand 2 is viewed from the user's side, so in the figure, just like the suction tool 17, the arrow U direction is shown as the upward direction, the arrow D direction as the downward direction, the arrow FR direction as the forward direction, the arrow RR direction as the backward direction, the arrow L direction as the leftward direction, and the arrow R direction as the rightward direction.

[0034] The stand 2 includes a second power supply unit 20, which is a stand-side power supply unit, and is driven by power supplied from the second power supply unit 20. In this embodiment, the second power supply unit 20 has a power plug 200 and a power cord 201 for taking power from an external power source such as a commercial power source, and converts the power supplied from the external power source via the power plug 200 and supplies it to each unit. If the stand 2 is equipped with a charging stand function for charging the first power supply unit 10 of the vacuum cleaner 1, the stand 2 may be configured to supply charging power for charging the first power supply unit 10 from the second power supply unit 20. The charging circuit for the first power supply unit 10 may be located in the vacuum cleaner 1 or in the stand 2. The charging circuit is configured to charge the first power supply unit 10 at least when the vacuum cleaner 1 is attached to the stand 2, i.e., when attachment detection means detects that the vacuum cleaner 1 is attached to the stand 2.

[0035] Stand 2 is provided with second electric blower 21, which is a stand-side electric blower serving as an electric blower, and the suction action of second electric blower 21 transfers dust in first dust collecting section 12 or dust removed from first dust collecting section 12 and rotary cleaning body 174 to second dust collecting section 22, which is a stand-side dust collecting section serving as a dust collecting section. The operation of second electric blower 21 is controlled by second control means.

[0036] Second electric blower 21 is operated by power supplied from second power supply unit 20. The operation of second electric blower 21 is controlled by second control means controlling the power supply from second power supply unit 20. Second electric blower 21 preferably has greater power consumption or greater power than first electric blower 11.

[0037] The second dust collecting section 22 may use any dust separation method, but in the illustrated example, a filter or dust collecting bag is used to filter and collect dust from dust-laden air. Preferably, the second dust collecting section 22 has a larger dust accumulation capacity than the first dust collecting section 12.

[0038] The second control means is preferably a microcomputer. The second control means is operable by power supplied from the second power supply unit 20.

[0039] The second power supply unit 20, the second electric blower 21, the second dust collecting unit 22 and the second control means are disposed in the stand main body 24.

[0040] The stand main body 24 has a support column 240. The support column 240 supports the vacuum cleaner 1 attached to the stand 2. The support column 240 is formed elongated in the up-down direction. A cleaner support section 2400 that supports the vacuum cleaner main body 16 of the vacuum cleaner 1 is formed at the front of the support column 240. The vacuum cleaner main body 16 of the vacuum cleaner 1 is attached to the cleaner support section 2400 from above. A communication air passage 2401 that communicates with the second dust collecting section 22 is formed inside the support column 240. Furthermore, a connection port 2402 that serves as an entrance to the communication air passage 2401 is opened at the front of the support column 240. The connection port 2402 is connected to and communicates with the dust discharge port 162 of the vacuum cleaner 1 attached to the stand 2. The connection port 2402 is located above the cleaner support column 2400.

[0041] The stand main body 24 has a base 241. The base 241 is placed at the placement position and supports the support column 240 relative to the placement position. The support column 240 is positioned to protrude from the upper part of the base 241. The second electric blower 21, the second dust collecting unit 22, and the second control means are disposed inside the base 241. The second dust collecting unit 22 is detachable from the base 241. In the illustrated example, the base 241 is formed to be large in the front-rear and left-right directions relative to the support column 240. The base 241 is formed with a stand exhaust port 2410 for discharging the exhaust air of the second electric blower 21. The stand exhaust port 2410 is located, for example, on the side of the base 241. A power cord 201 is led out from the base 241, and a power plug 200 is connected to the tip of the power cord 201.

[0042] Stand main body 24 also has opposing portion 242. Opposing portion 242 protrudes forward from the lower portion of base portion 241. Opposing portion 242 is positioned so as to vertically face suction tool 17 of vacuum cleaner 1 attached to stand 2. In this embodiment, opposing portion 242 is a mounting portion on which the lower portion of suction tool 17 is placed. In this embodiment, the upper portion of opposing portion 242 is an inclined portion that slopes downward toward the front.

[0043] 6, 9, and 10, a recess 2420 is preferably formed in the facing portion 242. The recess 2420 is a portion into which the lower portion of the suction tool 17 of the vacuum cleaner 1 attached to the stand 2 is inserted. The recess 2420 is formed with a facing surface 2421, which is the bottom portion, and an upright wall portion 2422 that rises from the peripheral edge of the facing surface 2421.

[0044] The facing surface 2421 is a support surface that supports the suction tool 17 of the vacuum cleaner 1 attached to the stand 2 from below. Preferably, the facing surface 2421 is formed flat. "Flat" means that the surface is flat and has no macroscopic irregularities. While the surface may be curved or planar, the facing surface 2421 is planar in this embodiment. In the illustrated example, the facing surface 2421 is planar and slopes downward toward the front. The facing surface 2421 is formed wider than the underside 1700 of the case body 170 of the suction tool 17 and faces the entire underside 1700 of the case body 170 in the vertical direction. When the support portion 178 of the suction tool 17 of the vacuum cleaner 1 attached to the stand 2 is supported by the facing surface 2421, the underside 1700 of the case body 170 of the suction tool 17 faces the facing surface 2421 closely, and a small gap is formed between the underside 1700 of the case body 170 and the facing surface 2421.

[0045] As shown in FIGS. 2, 4, and 7, a support recess 2423 is preferably formed in the facing surface 2421. The support recess 2423 is a portion that faces the support portion 178 of the suction tool 17 of the vacuum cleaner 1 attached to the stand 2, and is a recess into which the lower portion of the support portion 178 (shown in FIG. 7) of the suction tool 17 placed on the facing surface 2421 is inserted. The support recess 2423 has an outer shape and a cross-sectional shape that correspond to the shape of the lower portion of the support portion 178. In this embodiment, since the support portion 178 is a wheel, the support recesses 2423 each have a cross section that curves in an arc shape downward, and are shaped so that the lower portion of the support portion 178 can be stably fitted therein. The support recesses 2423 are formed in accordance with the number of the support portions 178. In the illustrated example, a plurality of support recesses 2423 are provided, and are formed at positions corresponding to the first support portion 1780 to the fourth support portion 1783 of the support portion 178, respectively. Support portion 178 of suction tool 17 of vacuum cleaner 1 attached to stand 2 is supported in support recess 2423, thereby narrowing the gap between underside 1700 of case body 170 of suction tool 17 and opposing surface 2421. Note that support portion 178 is not limited to a configuration in which it is directly supported in support recess 2423, and may be configured such that a lower portion of suction tool 17 or underside 1700 of case body 170 is supported by opposing surface 2421, so that it is inserted in a floating state relative to support recess 2423 without coming into direct contact with support recess 2423. In other words, the support structure for suction tool 17 against opposing surface 2421 may be such that underside 1700 or the lower portion is supported by opposing surface 2421, or support portion 178 may be supported by support recess 2423.

[0046] As shown in FIGS. 5(a) and 9, the standing wall portion 2422 is formed along the vertical direction and also functions as a guide that leads the lower part of the suction tool 17 into the recess 2420 when the vacuum cleaner 1 is attached to the stand 2. In this embodiment, the standing wall portion 2422 has a front wall portion 2424, a side wall portion 2425, and a rear wall portion 2426. The front wall portion 2424 extends in the left-right direction and forms the front edge of the recess 2420, and is the portion that faces the front part of the suction tool 17 of the vacuum cleaner 1 attached to the stand 2. The front wall portion 2424 rises in a direction approximately perpendicular to the facing surface 2421. Furthermore, the front wall portion 2424 has a portion that comes into contact with the front part 1701 of the case body 170, which is the front part of the suction tool 17, and thereby functions to position the front part of the suction tool 17 in the recess 2420. The side walls 2425 extend in the front-rear direction to form both side edges of the recess 2420 and face the side walls 1702 of the case body 170, which are the sides of the suction tool 17 of the vacuum cleaner 1 attached to the stand 2. The side walls 2425 are connected to both side walls of the front wall 2424 and extend rearward. The side walls 2425 rise in a direction approximately perpendicular to the facing surface 2421. The side walls 2425 face closely to the sides of the case body 170 of the suction tool 17 of the vacuum cleaner 1 attached to the stand 2, thereby narrowing the gap between them. The rear wall 2426 extends in the left-right direction between the both side walls 2425 and forms the rear edge of the recess 2420. The rear wall 2426 is inclined to widen upward relative to the facing surface 2421.

[0047] Also, cleaning means 25 is disposed on stand 2. Cleaning means 25 cuts and removes dust adhering to rotating cleaning body 174 of suction tool 17 of vacuum cleaner 1 attached to stand 2. Cleaning means 25 is disposed on facing portion 242 of stand main body 24, and is located opposite the lower portion of suction tool 17 of vacuum cleaner 1 attached to stand 2. In the example shown, cleaning means 25 is disposed on the upper portion of facing portion 242, and is located on facing surface 2421. Also, cleaning means 25 is disposed longitudinally in the left-right direction so as to coincide or approximately coincide with the longitudinal direction of rotating cleaning body 174.

[0048] The cleaning means 25 can be in close proximity to or slightly in contact with the cleaning members 1740 of the rotary cleaning body 174. The cleaning means 25 may have any configuration as long as it can cut off dust entangled around the cleaning members 1740 of the rotary cleaning body 174. The cleaning means 25 may be static, such as a comb-like structure, but is preferably dynamic. As shown in FIGS. 1 to 4 , in this embodiment, the cleaning means 25 is an example of an electric type having a cutter 250, which is a blade that cuts off dust, and a cutter motor 251 that drives the cutter 250. The cutter motor 251 can be operated by power supplied from the second power supply unit 20 (shown in FIG. 10 ). The cutter 250 cuts the dust into small diameter pieces by, for example, being reciprocated left and right by the cutter motor 251. The tip of the cutter 250 is exposed from the opposing surface 2421. The cutter motor 251 has lower power consumption or less power than the second electric blower 21. The operation of the cutter motor 251 is controlled by, for example, the second control means.

[0049] Preferably, the stand 2 is provided with a second attachment detection means which is an attachment detection means serving as a stand-side attachment detection means for detecting attachment of the vacuum cleaner 1 to the stand 2. In other words, the second attachment detection means is a cleaner detection means for detecting the vacuum cleaner 1 attached to the stand 2. The second attachment detection means may be a contact or non-contact sensor, or may be a mechanical switch or the like. The detection result by the second attachment detection means is input to the second control means.

[0050] 1, 3, 5(a) and 5(b), the electric vacuum cleaner system S is provided with an air guide section 3 for using an airflow to guide dust cut by the cleaning means 25 toward the suction port 172 of the suction tool 17. In this embodiment, the air guide section 3 is configured to utilize the airflow generated by the suction force of the second electric blower 21 and to define the range and / or direction in which the airflow acts, thereby efficiently guiding dust toward the suction port 172. The air guide section 3 is located on the opposite side of the suction port 172 with respect to the rotation axis 1741 of the rotary cleaning body 174. In this embodiment, the air guide section 3 is located forward of the rotation axis 1741 of the rotary cleaning body 174. In the example shown, the air guide section 3 is located in front of the suction tool 17.

[0051] The air guide section 3 is formed at the facing part 242 of the stand 2, or between the facing part 242 and the suction tool 17 of the vacuum cleaner 1 attached to the stand 2. When the air guide section 3 is formed at the facing part 242 of the stand 2, it may be a duct-like air passage, but in this embodiment, an example is given in which the air guide section 3 is formed between the suction tool 17 of the vacuum cleaner 1 and the facing part 242 of the stand 2 by attaching the vacuum cleaner 1 to the stand 2 and placing the suction tool 17 on the facing part 242, and is opened by removing the suction tool 17 from the facing part 242.

[0052] In this example, the air guide section 3 is formed between the front part 1701 of the case body 170, which is the front part of the suction tool 17, and the front wall part 2424 of the opposing part 242 of the stand 2. In the example shown, the air guide section 3 is formed between the front part 1701 of the case body 170 of the suction tool 17 and the front wall part 2424 in the recessed part 2420 of the opposing part 242 of the stand 2. In this embodiment, the front part 1701 of the case body 170 is a part that basically extends in a plane in the left-right direction.

[0053] The front wall 2424 is formed with a contact portion 30 that contacts the front portion 1701 of the case body 170, and a non-contact portion 31 that does not contact the front portion 1701 of the case body 170. The contact portion 30 extends in the left-right direction and is a portion that positions the suction tool 17 in the front-rear direction at the facing portion 262 by coming into close contact with the front portion 1701 of the case body 170 with no or almost no gap in the front-rear direction. The contact portion 30 is formed to protrude rearward from the non-contact portion 31. In this embodiment, the contact portion 30 has a central contact portion 300 that is a first contact portion located in the center of the facing portion 242 or the recess 2420 in the left-right direction, and side contact portions 301 that are second contact portions located on both sides of the facing portion 242 or the recess 2420 in the left-right direction. The non-contact portions 31 are located between the central contact portion 300 and each side contact portion 301. Central contact portion 300 is formed to be longer in the left-right direction than side contact portions 301. Each side contact portion 301 is connected to, for example, side wall portions 2425, respectively, to form both left and right sides of the front of recess 2420. Note that, although the present embodiment has shown an example in which one central contact portion 300 and two side contact portions 301 are set, this is not limiting, and multiple central contact portions 300 may be provided depending on the position, size, number, etc. of suction ports 172.

[0054] The non-contact portion 31 is formed as a recess recessed forward between the central contact portion 300 and the side contact portion 301. The non-contact portion 31 is located forward of the contact portion 30 and extends in the left-right direction. In this embodiment, the non-contact portion 31 is formed to be longer in the left-right direction than the central contact portion 300 of the contact portion 30. The non-contact portion 31 faces the front portion 1701 of the case body 170 in the front-rear direction with a gap of, for example, about 1 mm, in the shape of an elongated slit extending in the left-right direction. Therefore, an air passage extending from the gap between the non-contact portion 31 and the front portion 1701 of the case body 170 to the gap between the underside 1700 of the case body 170 and the opposing surface 2421 of the opposing portion 242 serves as the air guide portion 3. That is, the gap between the non-contact portion 31 formed in the front wall portion 2424 and the front portion 1701 of the case body 170 is the intake opening 32 of the air guide portion 3, and the gap between the lower surface 1700 of the case body 170 and the opposing surface 2421 of the opposing portion 242 is the discharge opening 33 of the air guide portion 3. The intake opening 32 is elongated in the left-right direction and extends in the up-down direction along the front wall portion 2424. The discharge opening 33 opens rearward along the opposing surface 2421 toward the cutter 250 of the cleaning means 25. That is, in the front-rear direction, the tip of the cutter 250 and a part of the lower portion of the rotating cleaning body 174 facing the cutter 250 are located between the discharge opening 33 of the air guide portion 3 and the suction port 172 of the suction tool 17.

[0055] Preferably, when viewed from above, the intake opening 32 and the discharge opening 33 of the air guide section 3 are positioned so as not to face the suction port 172 of the suction tool 17 in the front-rear direction. In this embodiment, when viewed from above, the suction port 172 of the suction tool 17 is positioned within the projected width in the front-rear direction of the central contact section 300 of the contact section 30, so that the air guide section 3 is positioned on both sides of the suction port 172. In the example shown, the left-right width W2 of the central contact section 300 is set to be equal to or greater than the left-right width W1 of the suction port 172.

[0056] In Figure 5(b), for clarity of explanation, only a portion of the right side of suction tool 17 is shown enlarged, and in this embodiment, the left side of suction tool 17 has the same shape as the right side, but is basically reversed left to right, so it is not shown.

[0057] Next, the operation of the first embodiment will be described.

[0058] As shown in FIG. 10, the stand 2 is installed in an installation position such that it does not get in the way in the room, and the power plug 200 is connected to a wall socket (outlet) C so that it is ready to receive power from an external power source.

[0059] When cleaning, the user removes the vacuum cleaner 1 from the stand 2. For example, when the user grasps the grip portion 14 of the vacuum cleaner 1 and removes it from the stand 2, the opening / closing means 163 shown in FIG. 6 closes the dust discharge port 162. Then, when the user operates the operation switch 15 (shown in FIG. 8) to set the operation of the first electric blower 11, the first control means controls the power supplied from the first power supply unit 10 to the first electric blower 11 in accordance with the setting, thereby operating the first electric blower 11. Furthermore, in the embodiment using the suction tool 17 as shown in FIG. 8, the first control means controls the power supplied from the first power supply unit 10 to the cleaning element motor 177, thereby rotating the rotating cleaning element 174. The user places the suction tool 17 on the part to be cleaned and moves the entire electric vacuum cleaner 1 back and forth using the grip part 14, while the rotation of the rotating cleaning body 174 (shown in Figure 7, etc.) scrapes out dust from the part to be cleaned, and the airflow generated by the operation of the first electric blower 11 sucks the dust together with air into the cleaning air duct through the suction port 172 (shown in Figure 7, etc.) of the suction tool 17.

[0060] The sucked dust-laden air is introduced into first dust collecting section 12 through main body suction port 160, where dust is separated from the air and collected. The air from which dust has been separated is discharged to the outside of vacuum cleaner main body 16 through main body exhaust port 161 while cooling first electric blower 11.

[0061] When cleaning with the vacuum cleaner 1 is finished, the user operates the operation switch 15 to stop the first electric blower 11 and the cleaning element motor 177, and then attaches the vacuum cleaner 1 to the stand 2 as shown in Figures 6 and 10. For example, in this embodiment, the vacuum cleaner 1 is attached to the stand 2 by placing the vacuum cleaner main body 16 of the vacuum cleaner 1 from above the front side on the vacuum cleaner support part 2400 of the support pole 240 of the stand 2.

[0062] 1 to 6, when the lower part of suction tool 17 of vacuum cleaner 1 is inserted into recess 2420 of opposing part 242 of stand 2, front part 1701 of case body 170 of suction tool 17 comes into contact with contact part 30 of front wall part 2424, and the front part of suction tool 17 is positioned relative to recess 2420. Furthermore, side part 1702 of case body 170 of suction tool 17 is close to side wall part 2425, and bottom surface 1700 of case body 170 of suction tool 17 faces opposing surface 2421 with a gap therebetween. In this embodiment, when support part 178 of suction tool 17 is inserted into support recess 2423, bottom surface 1700 of case body 170 of suction tool 17 faces opposing surface 2421 with a small gap therebetween. As a result, air guide section 3 is formed from the gap between front portion 1701 of case body 170 of suction tool 17 and non-contact portion 31 of front wall portion 2424 to the gap between underside 1700 of case body 170 of suction tool 17 and opposing surface 2421. In particular, in this embodiment, because opposing surface 2421 is inclined downward toward the front, the weight of suction tool 17 placed on opposing surface 2421 is applied toward the downward front side, thereby firmly maintaining the adhesion between front portion 1701 of case body 170 of suction tool 17 and contact portion 30 of front wall portion 2424 and the airtightness of air guide section 3. Then, cleaning means 25 such as cutter 250 approaches or comes into contact with cleaning member 1740 located at the bottom of rotating cleaning body 174. Additionally, behind suction port 172, seal portion 179 located at the bottom of suction tool 17 comes into contact with opposing surface 2421, closing the gap between bottom surface 1700 of case body 170 of suction tool 17 and opposing surface 2421 behind suction port 172.

[0063] 6, opening / closing means 163 of vacuum cleaner 1 opens dust discharge port 162, so that dust discharge port 162 is airtightly connected to connection port 2402 of stand 2, and first dust collecting unit 12 communicates with second dust collecting unit 22 via communication airflow duct 2401. Therefore, suction port 172 of suction tool 17 also communicates with second dust collecting unit 22 via the cleaning airflow duct, first dust collecting unit 12, and communication airflow duct 2401.

[0064] In the electric vacuum cleaner 1, when the first attachment detection means detects attachment as at least one of the conditions, the first control means operates the cleaning body motor 177 to rotate the rotating cleaning body 174 at high speed, for example, at a predetermined speed.

[0065] In the stand 2, the second control means operates the second electric blower 21 when the second attachment detection means detects attachment as at least one of the conditions. In addition, in this embodiment, the second control means operates the cutter motor 251 to drive the cutter 250 based on the detection result of the second attachment detection means.

[0066] The timing at which the cleaning element motor 177 or the rotary cleaning element 174 starts operating and the timing at which the cutter motor 251 or the cutter 250 starts operating may be set arbitrarily. Preferably, the cutter motor 251 or the cutter 250 starts operating after the cleaning element motor 177 or the rotary cleaning element 174 starts operating. Note that hereinafter, "after" means "simultaneously or later." Furthermore, it is preferable that the cleaning element motor 177 or the rotary cleaning element 174 and the cutter motor 251 or the cutter 250 are controlled so that there is at least a period during which they operate simultaneously. In this way, the cutter 250 is driven while the rotary cleaning element 174 rotates at high speed, and dust lifted from the cleaning member 1740 of the rotary cleaning element 174 by the centrifugal force of the rotation of the rotary cleaning element 174 is cut by the cutter 250 over the entire rotary cleaning element 174. Furthermore, because the cleaning member 1740 is bent in the rotational direction due to rotation, the cutter 250 does not come into direct contact with the cleaning member 1740 or the rotating cleaning body 174 , and damage to the cleaning member 1740 or the rotating cleaning body 174 is prevented by the cutter 250 .

[0067] Preferably, the cleaning element motor 177 rotates the rotary cleaning element 174 in a positive direction, ie, in a direction in which the upper portion rotates forward and the lower portion rotates backward, that is, counterclockwise in FIGS.

[0068] Preferably, the timing of stopping the cleaning element motor 177 or the rotary cleaning element 174 is set to be after the timing of stopping the cutter motor 251 or the cutter 250.

[0069] 1, a negative pressure acts from suction port 172 on discharge opening 33 of air guide section 3 due to the airflow generated by the operation of second electric blower 21, and outside air is introduced into air guide section 3 from suction opening 32 of air guide section 3 and blown rearward from discharge opening 33 along opposing surface 2421. Therefore, the dust cut by cleaning means 25 is carried rearward by the air blown from discharge opening 33 of air guide section 3, hits rotating cleaning body 174, is picked up, is carried by the suction air drawn from suction port 172 into the cleaning air passage, and is transported to first dust collecting section 12 together with the dust in first dust collecting section 12 through communicating air passage 2401 to second dust collecting section 22 and collected in second dust collecting section 22. The second electric blower 21 preferably starts operating after the cleaning element motor 177 or the rotary cleaning element 174 and / or the cutter motor 251 or the cutter 250 start operating. The operating period of the second electric blower 21 preferably overlaps with the operating period of the cleaning element motor 177 or the rotary cleaning element 174 and / or the cutter motor 251 or the cutter 250. The second electric blower 21 preferably stops after the cutter motor 251 or the cutter 250 stops operating.

[0070] The second control means may, for example, operate second electric blower 21 for a preset time, or may operate second electric blower 21 until a predetermined condition related to dust transfer is met, such as detecting that a predetermined amount or more of dust has been transferred from inside first dust collecting section 12. The operation time of second electric blower 21 may be a fixed time, or may be a time arbitrarily set by the user. For example, it is also possible to perform processing such as forcibly stopping the operation of second electric blower 21 when the user performs a predetermined operation such as operating a switch.

[0071] The second dust collecting section 22 to which the dust has been transferred can be removed from the stand 2 as needed, and the dust collected inside or the dust collecting bag used as the second dust collecting section 22 can be disposed of.

[0072] As described above, in this embodiment, thread-like dust such as hair and fibers adhering to the rotating cleaning body 174 of the suction tool 17 of the vacuum cleaner 1 attached to the stand 2 is cut by the cleaning means 25 arranged on the facing part 242 of the stand 2, and the cut dust is sucked into the dust collection part from the suction port 172 of the suction tool 17 facing the facing part 242 by the airflow generated by the electric blower. At this time, because the dust cut by the cleaning means 25 does not have height, dust scattered on the facing surface 2421 in particular does not easily ride the airflow and is difficult to suck up to the suction port 172 by simply sucking air from the side of the suction tool 17 using the suction force of the second electric blower 21. Therefore, an air guide section 3 is formed on the opposite side of the suction port 172 based on the rotation axis 1741 of the rotating cleaning body 174 of the suction tool 17 of the electric vacuum cleaner 1 attached to the stand 2, and the dust cut by the cleaning means 25 is guided toward the suction port 172 by the airflow from the air guide section 3, so that even dust cut from the rotating cleaning body 174 of the suction tool 17 of the electric vacuum cleaner 1 attached to the stand 2 can be easily carried by the airflow acting from the suction port 172 and can be efficiently sucked up from the suction port 172.

[0073] In particular, when the cleaning means 25 cuts up dust while the cleaning body motor 177 rotates the rotary cleaning body 174, it is possible to cut and remove dust evenly from the entire rotary cleaning body 174, but there is a concern that the cut-up dust may escape to the periphery of the suction port 172 due to the wind pressure generated by the high-speed rotation of the rotary cleaning body 174. Therefore, in this embodiment, the introduced wind from the air guide section 3 is blown onto the dust, so that the cut-up dust comes into contact with the rotary cleaning body 174 and is scraped up as the rotary cleaning body 174 rotates at high speed, and is efficiently sucked up from the suction port 172.

[0074] When cleaning means 25 cuts off dust adhering to rotary cleaning body 174, cleaning body motor 177 rotates rotary cleaning body 174 in the forward direction, so that the lower part of rotary cleaning body 174 facing cleaning means 25 rotates toward the rear, which is the side of suction port 172, and air guide section 3 blows air from discharge opening 33 along opposing surface 2421 in opposing part 242 that faces the lower part of suction port 172 of suction tool 17 of vacuum cleaner 1 attached to stand 2, thereby helping to carry the dust cut off by cleaning means 25 from the lower part of rotary cleaning body 174 to the rear. Therefore, this dust is prevented from accumulating at the lower front end of suction tool 17 and can be easily sucked in through suction port 172.

[0075] The discharge opening 33 is positioned so as not to face the suction port 172 of the suction tool 17 of the electric vacuum cleaner 1 attached to the stand 2 in the front-rear direction when viewed from above, which prevents the wind blown rearward from the discharge opening 33 from concentrating on the suction port 172 where the negative pressure is the highest, and allows the wind blown from the discharge opening 33 to reach both the left and right sides.

[0076] Since the air guide section 3 is formed between the recess 2420 formed in the opposing section 242 and the front part of the suction tool 17 of the electric vacuum cleaner 1 attached to the stand 2, the air guide section 3 can be configured simply compared to a configuration in which a dedicated air passage or the like is formed as the air guide section 3, and since the air guide section 3 is opened when the suction tool 17 is removed from the recess 2420, maintenance such as cleaning of the air guide section 3 is also made easier.

[0077] In the facing part 242, the facing surface 2421 facing the lower part of the suction tool 17 of the electric vacuum cleaner 1 attached to the stand 2 is flat, so that thread-like waste such as hair and fibers cut into small pieces by the cleaning means 25 does not get caught on the unevenness and can easily flow to the suction port 172.

[0078] The support recess 2423 formed in the opposing surface 2421 of the opposing portion 242 faces the support portion 178 at the bottom of the suction tool 17 of the electric vacuum cleaner 1 attached to the stand 2, so that the flat underside 1700 of the case body 170 of the suction tool 17 and the flat opposing surface 2421 are close to each other, which increases the wind pressure in the air guide portion 3 and suppresses wind leakage from the air guide portion 3.

[0079] Furthermore, the sealing portion 179 contacts the opposing surface 2421 behind the suction port 172 of the suction tool 17 to form a seal, thereby ensuring a vacuum in the air guide portion 3 and the suction port 172, and also making it difficult for dust carried by the wind from the air guide portion 3 and scooped up by the rotating cleaning body 174 to pass through to the rear of the suction port 172, thereby enabling dust to be sucked up from the suction port 172 more efficiently.

[0080] By forming a front wall portion 2424 that faces the front part of the suction tool 17 of the electric vacuum cleaner 1 attached to the stand 2 on the facing portion 242, the suction tool 17 can be positioned in the front-to-back direction, making it easier to align the cleaning means 25 with the rotating cleaning body 174. Furthermore, by forming a side wall portion 2425 that faces the side part of the suction tool 17 on the facing portion 242, it becomes difficult to access the cutter 250 of the cleaning means 25 from the side of the suction tool 17 positioned on the facing portion 242, preventing the user from accidentally touching the cutter 250.

[0081] In this embodiment, the dust cut off from the rotating cleaning body 174 by the cleaning means 25 is collected in the second dust collection section 22 provided in the stand 2 by the airflow generated by the second electric blower 21 provided in the stand 2.Therefore, by effectively utilizing the configuration in which the dust collected in the first dust collection section 12 of the electric vacuum cleaner 1 is transferred to the second dust collection section 22 by the airflow generated by the second electric blower 21, there is no need to separately provide a dedicated electric blower or dust collection section, and the electric cleaning system S can be configured simply.

[0082] In particular, since the second electric blower 21 is operated by power supplied from the second power supply unit 20 which draws power from an external power source, a powerful second electric blower 21 can be used, which generates a strong suction force from the suction port 172 and efficiently suppresses the residue of dust cut by the cleaning means 25.

[0083] (Second embodiment) Next, a second embodiment will be described with reference to Fig. 11. Note that the same components and functions as those in the first embodiment will be denoted by the same reference numerals and the description thereof will be omitted.

[0084] In this embodiment, air guide section 3 communicates with the exhaust side of second electric blower 21. For example, exhaust air passage 35 is formed from the exhaust side of second electric blower 21 in base section 241 to the inside of opposing section 242, guiding at least a portion of the exhaust air from second electric blower 21, and exhaust air passage 35 is connected to opening 36 opened in front wall section 2424, so that the exhaust air from second electric blower 21 is introduced into air guide section 3 via exhaust air passage 35 and opening 36.

[0085] In this embodiment, the exhaust airflow passage 35 is formed in the facing portion 242 below the recess 2420 and along the front-rear direction.

[0086] The opening 36 is formed in the non-contact portion 31 of the front wall portion 2424. The opening 36 is formed in a position closer to the lower portion of the non-contact portion 31 of the front wall portion 2424. That is, the opening 36 is located near the opposing surface 2421 of the front wall portion 2424. Therefore, the opening 36 is close to the discharge opening 33 of the air guide portion 3, and is open toward the blowing direction of the air from the discharge opening 33.

[0087] Then, when the user attaches vacuum cleaner 1 to stand 2 after cleaning, similarly to the first embodiment, the front of suction tool 17 is positioned relative to recess 2420, side portion 1702 of case body 170 of suction tool 17 is adjacent to side wall portion 2425, underside 1700 of case body 170 of suction tool 17 faces opposing surface 2421, and support portion 178 of suction tool 17 is inserted into support recess 2423, so that underside 1700 of case body 170 of suction tool 17 faces opposing surface 2421 in close proximity, thereby forming air guide section 3. Furthermore, opening / closing means 163 of vacuum cleaner 1 opens dust discharge port 162, so that dust discharge port 162 is airtightly connected to connection port 2402 of stand 2, and first dust collecting section 12 and suction port 172 of suction tool 17 communicate with second dust collecting section 22 via communicating air passage 2401.

[0088] In the electric vacuum cleaner 1, the first control means operates the cleaning body motor 177 to rotate the rotating cleaning body 174 at high speed, for example, at a predetermined speed, and in the stand 2, the second control means operates the cutter motor 251 to drive the cutter 250 and drive the second electric blower 21.

[0089] The dust cut off by cleaning means 25 is blown rearward along opposing surface 2421 from discharge opening 33 due to a negative pressure acting on air guide section 3 from suction port 172 by the airflow generated by the operation of second electric blower 21, causing outside air to be introduced into air guide section 3 from suction opening 32 of air guide section 3. In this case, air guide section 3 is in communication with the exhaust side of second electric blower 21, so that at least a portion of the exhaust air from second electric blower 21 circulates to discharge opening 33 of air guide section 3 via exhaust air passage 35 and opening 26, making it possible to further strengthen the air blown from air guide section 3. Therefore, the dust cut off by cleaning means 25 can be sucked in from suction port 172 by the stronger blowing force from air guide section 3.

[0090] In addition, the exhaust air of the second electric blower 21 provided for transporting dust can be effectively utilized to strengthen the wind blown from the air guide section 3, so there is no need for a dedicated blower or the like for strengthening the wind.

[0091] Furthermore, the exhaust air duct 35 that guides the exhaust air from the second electric blower 21 to the air guide section 3 is formed in the space inside the opposing section 242, so there is no need to allocate a separate dedicated space, and a space-saving configuration is possible.

[0092] Furthermore, in this embodiment, the lower part of the base portion 241 on which the second electric blower 21 is placed and the opposing portion 242 on which the suction tool 17 is placed are close to each other horizontally, so that the exhaust air duct 35 can be configured to be short in distance, and the momentum of the exhaust air discharged from the second electric blower 21 can be circulated to the air guide section 3 before it weakens, thereby obtaining a stronger blowing force in the air guide section 3.

[0093] In the above embodiments, the dust cut off from the rotary cleaning body 174 of the suction tool 17 is sucked into the second dust collecting section 22 using the suction force of the second electric blower 21 provided in the stand 2, but this is not limiting, and the dust may be sucked into the first dust collecting section 12 using the suction force of the first electric blower 11 of the vacuum cleaner 1. In this case, the second electric blower 21 and the second dust collecting section 22 do not need to be provided in the stand 2, which allows the stand 2 and the electric cleaning system S to be made smaller and simpler.

[0094] Furthermore, the recess 2420 is not an essential component of the facing portion 242, and the facing portion 242 may have a front wall 2424 and a side wall 2425 standing on top of it.

[0095] Although several embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention to these embodiments. These novel embodiments can be embodied in various other forms, and various omissions, substitutions, and modifications can be made without departing from the spirit of the invention. These embodiments and their modifications are included within the scope and spirit of the invention, and are also included in the scope of the invention and its equivalents as defined in the claims. [Explanation of symbols]

[0096] S Electric Cleaning System 1. Vacuum cleaner 2 Stand 3. Air guide section 17 Suction tool 21 Second electric blower, which is an electric blower 22 Second dust collection section, which is the dust collection section 25 Cleaning means 33 Discharge opening 172 Intake port 174 Rotating cleaning body 177 Electric motor for cleaning body 178 Support part 240 Support section 241 Pedestal 242 Opposite part 1701 Front 1702 Side 1741 Rotation axis 2420 recess 2421 Opposite surface 2423 Support recess 2424 Front wall 2425 Side wall

Claims

1. A vacuum cleaner and A stand on which this vacuum cleaner is attached, An electric blower, a dust collecting unit that collects dust sucked by the airflow generated by the electric blower; a wind guidance section; The vacuum cleaner has a suction tool having a rotary cleaning body and a suction port, The stand is a support column for supporting the vacuum cleaner; a base portion that supports the support portion at an installation position; a facing portion facing a suction tool of the vacuum cleaner attached to the stand; a cleaning means disposed at the opposing portion and configured to cut off dust adhering to the rotary cleaning body of the suction tool of the vacuum cleaner attached to the stand, the electric blower generates an airflow for sucking dust from the suction port into the dust collecting unit, The air guide section is located on the opposite side of the suction port with respect to the rotation axis of the rotary cleaning body of the suction tool of the vacuum cleaner attached to the stand, and excluding a range facing the suction port of the suction tool of the vacuum cleaner attached to the stand in the front-rear direction when viewed from above, and guides dust cut by the cleaning means toward the suction port by the airflow. An electric cleaning system.

2. The suction tool has an electric motor that rotates the rotary cleaning body, the electric motor rotates the rotary cleaning body in a forward direction when the cleaning means cuts off dust adhering to the rotary cleaning body; The air guide section has a discharge opening along a surface of the opposing section that faces a lower portion of the suction tool of the vacuum cleaner attached to the stand.

2. The electric vacuum system of claim 1.

3. The air guide section is formed between a recess formed in the facing section and a front part of the suction tool of the vacuum cleaner attached to the stand.

2. The electric vacuum system of claim 1.

4. The opposing surface of the opposing portion that faces the lower part of the suction tool of the vacuum cleaner attached to the stand is flat.

4. The electric cleaning system according to claim 1, wherein the electric cleaning system comprises:

5. The suction tool has a support portion at a lower portion for supporting the suction tool relative to the part to be cleaned, the opposing portion has a support recess formed on the opposing surface, The support recess faces the support portion of the suction tool of the vacuum cleaner attached to the stand.

5. The electric vacuum system of claim 4.

6. The facing portion includes a front wall portion facing the front portion of the suction tool of the vacuum cleaner attached to the stand, and a side wall portion facing the side portion of the suction tool.

4. The electric cleaning system according to claim 1, wherein the electric cleaning system comprises:

7. The electric blower and the dust collecting unit are provided in the electric vacuum cleaner.

4. The electric cleaning system according to claim 1, wherein the electric cleaning system comprises:

8. The electric blower and the dust collector are provided on the stand.

4. The electric cleaning system according to claim 1, wherein the electric cleaning system comprises:

9. The air guide section communicates with the exhaust side of the electric blower.

9. The electric vacuum system of claim 8.

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