JPWO2011070909A1 - Vertical vacuum cleaner - Google Patents

Abstract

A body part (4) which is provided with an electric blower (20) and is covered with a body cover (4a), a grip part (8) which is arranged above the body part (4) and is gripped by a user, and a suction port And the suction port body (5) disposed below the main body (4), the exhaust passage through which the exhaust from the electric blower (20) flows, the drive of the electric blower (20) and the exhaust A control board (30) arranged in the path, and a housing (23) holding the electric blower (20) and the control board (30) while arranging the rotating shaft of the electric blower (20) in the vertical direction.

Description

  The present invention relates to a vertical vacuum cleaner in which a gripping portion is provided above a main body that houses an electric blower and a control board.

  A conventional vertical vacuum cleaner is disclosed in Patent Document 1. This vertical vacuum cleaner has a main body portion that houses an electric blower, and a dust collection chamber is formed on the downstream side of the electric blower in the main body portion. A control board for controlling the driving of the electric blower is provided at the upper end of the main body. A suction port body having a suction port facing the surface to be cleaned is provided integrally with the main body portion below the main body portion. A grip portion that is gripped by the user is provided above the main body portion. The grip portion is formed to be extendable and contractable with respect to the main body portion via the pipe, and can be held at an arbitrary height.

  The user grips the grip portion, and the suction port body integrated with the main body moves on the surface to be cleaned, and the air containing the dust on the surface to be cleaned is sucked from the suction port by driving the electric blower. The air sucked from the suction port collects dust in the dust collection chamber. The air from which the dust has been removed passes through the electric blower and is exhausted outside the main body through the exhaust path.

Japanese Patent No. 3047531 (2nd page-3rd page, Fig. 2)

  In recent years, the electric blower of a vertical vacuum cleaner is driven in a variable manner depending on the state of the surface to be cleaned, and complicated control is performed. For this reason, according to the conventional vertical vacuum cleaner, there is a problem that heat generation of the control board is increased. In addition, since the gripping part is placed close to the upper part of the main body part, the heat generated by the heat generated by the control board hits the finger of the user gripping the gripping part, resulting in a problem that the user feels uncomfortable.

  An object of this invention is to provide the vertical vacuum cleaner which can reduce the heat_generation | fever of a control board and a user's discomfort.

  In order to achieve the above object, the present invention includes a main body part that is equipped with an electric blower and is covered with a main body cover, a grip part that is disposed above the main body part and is gripped by a user, and a suction port. A suction port disposed below the main body, an exhaust path through which the exhaust of the electric blower circulates, a control board that controls driving of the electric blower and is disposed in the exhaust path, and the electric blower And a housing for holding the electric blower and the control board.

  According to this configuration, the user grips the grip portion, and the suction port body integrated with the main body portion moves on the surface to be cleaned. When the electric blower is driven by the control of the control board, air containing dust on the surface to be cleaned is sucked from the suction port. The air sucked from the suction port is collected in the main body. The air from which the dust has been removed passes through the electric blower and is exhausted outside the main body through the exhaust path. At this time, the control board is cooled by the airflow flowing through the exhaust path.

  Further, the present invention is the vertical vacuum cleaner having the above-described configuration, wherein the exhaust path opens an exhaust port on one side surface of the main body, and the exhaust of the electric blower flows along the side surface facing the exhaust port. It is characterized in that it is guided to the exhaust port after having been made. According to this configuration, the exhaust from the electric blower is circulated between both side surfaces of the main body portion in the horizontal direction and exhausted outside the main body portion through the exhaust port provided on one side surface.

  According to the present invention, in the vertical vacuum cleaner having the above-described configuration, the housing extends along a cylindrical portion that covers the electric blower, and a side surface that faces the exhaust port from the cylindrical portion, and stores the control board. And a substrate storage portion.

  According to this structure, the air which flows out radially from the peripheral surface of the electric blower flows into the substrate housing portion from the cylindrical portion and circulates along the side surface facing the exhaust port. The air cools the control board disposed in the substrate housing portion, and then flows out of the substrate housing portion and is exhausted from the exhaust port to the outside of the main body portion.

  According to the present invention, in the vertical vacuum cleaner having the above-described configuration, a terminal portion connectable from the housing to a circuit on the control board is exposed, and a part of the main body cover is attached to and detached from the terminal portion. It is characterized by being freely formed. According to this configuration, a part of the main body cover is removed, and a predetermined device is connected to the terminal portion exposed from the housing to rewrite the ROM of the control board.

  According to the present invention, in the vertical vacuum cleaner having the above-described configuration, a flexible connection pipe that communicates with the electric blower via a communication pipe that is erected at the rear portion of the main body, and a tip of the connection pipe. And an extension pipe that is detachably stored in a storage pipe provided in front of the communication pipe, and the exhaust path is formed between the communication pipe and the storage pipe. .

  According to this structure, the air containing the dust on the surface to be cleaned is sucked from the tip of the extension pipe taken out from the storage pipe provided in the main body. The airflow flowing through the extension pipe flows through the connecting pipe and the connecting pipe, and after being collected, is guided to the electric blower. The exhaust from the electric blower cools the control board, passes between the communication pipe and the storage pipe, and is exhausted from the exhaust port to the outside of the main body.

  According to the present invention, since the control board is arranged in the exhaust path of the electric blower, the control board is cooled by the exhaust of the electric blower. Therefore, the heat generation of the control board can be reduced. In addition, it is possible to reduce discomfort due to heat generated by the control board for the user who holds the grip portion disposed above the main body portion.

The perspective view which shows the vacuum cleaner of embodiment of this invention The perspective view which shows the state which hold | gripped the handle of the vacuum cleaner of embodiment of this invention Top surface sectional drawing which shows the main-body part of the vacuum cleaner of embodiment of this invention. Sectional drawing which shows the back of the main part of the vacuum cleaner of the embodiment of the present invention

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a vertical vacuum cleaner according to an embodiment. In the vertical vacuum cleaner 1, a suction port body 5 is integrally provided below a main body 4 that houses an electric blower 20 (see FIG. 3). A suction port (not shown) that faces the surface to be cleaned opens on the bottom surface of the suction port body 5. A detachable dust collecting container 9 is provided at the lower part of the main body 4.

  The body portion 4 is covered with a body cover 4a made of a resin molded product, and an exhaust port 11 is formed on one side surface of the rear portion of the body cover 4a. Further, a concave portion 10 from which a power cord (not shown) is drawn out is provided in the upper part on the back side of the main body cover 4a. A handle 4c (gripping portion) is formed on the upper portion of the main body cover 4a. As shown in FIG. 2, the user can carry the vertical vacuum cleaner 1 by holding the handle 4 c and lifting the main body 4.

  An extension pipe 6 that can be attached and detached by operating the button 12 extends in the vertical direction above the main body 4. At the upper end of the extension pipe 6, a handle 8 (gripping part) that is gripped by the user is provided. The upper part of the back side of the extension pipe 6 and the main body part 4 are connected by a flexible telescopic connection hose 7.

  3 and 4 show a top sectional view and a rear sectional view of the main body 4. The electric blower 20 has a fan motor 21 disposed above and an impeller 22 disposed below, and is installed with the axial direction vertical. The electric blower 20 is connected to the air outflow side of the dust collection container 9 disposed below, and the air inflow side of the dust collection container 9 communicates with the suction port of the suction port body 5.

  The electric blower 20 is held by a housing 23 made of a resin molded product. The housing 23 includes a cylindrical tubular portion 24 that covers the electric blower 20, and a substrate storage portion 25 that extends from the tubular portion 24. The body cover 4 a is provided with a detachable opening / closing cover 4 b on the other side facing the exhaust port 11. The substrate storage portion 25 extends in a circumferential tangential direction from the cylindrical portion 24 along the opening / closing cover 4b, and an opening portion 25a facing the exhaust port 11 and a window portion 25b facing the opening / closing cover 4b are opened.

  A control board 30 that faces the opening 25 a and controls the driving of the electric blower 20 is erected and held in the board housing part 25. Thereby, the control board 30 and the electric blower 20 are integrated by the housing 23, and the workability | operativity at the time of the assembly of the vertical vacuum cleaner 1 can be improved.

  Further, a terminal portion (not shown) that can be connected to a circuit on the control board 30 is arranged facing the window portion 25b. By removing the opening / closing cover 4b and connecting a predetermined device to the terminal exposed from the window 25b, the ROM of the control board 30 can be easily rewritten.

  At the rear of the electric blower 20, a bottomed cylindrical storage pipe 31 for storing the extension pipe 6 is erected. The opening on the upper surface of the storage pipe 31 is sealed when the extension pipe 6 is stored. A connecting pipe 32 to which the connection hose 7 is connected is erected on the rear side of the storage pipe 31. The connecting pipe 32 is connected to the air inflow side of the dust collecting container 9. Further, the opening 25 a of the housing 23 is disposed so as to face between the connection pipe 32 and the storage pipe 31.

  In the vertical vacuum cleaner 1 configured as described above, the electric blower 20 is driven in a state where the extension pipe 6 is housed in the housing pipe 31, and the handle 5 is gripped by the user so that the suction port 5 is integrally covered with the main body 4. Move on the cleaning surface. Thereby, air is sucked together with dust from the suction port of the suction port body 5. The air sucked from the suction port is guided to the dust collecting container 9 and collected. The air from which the dust has been removed is exhausted from the peripheral surface of the fan motor 21 of the electric blower 20 into the cylindrical portion 24 of the housing 23 as indicated by an arrow A1 (see FIG. 4).

  The air exhausted from the electric blower 20 flows into the substrate housing portion 25 and circulates along the side surface facing the exhaust port 11 of the main body portion 4 as indicated by an arrow A2 (see FIG. 3). The air flowing through the substrate storage unit 25 cools the control substrate 30 and flows out of the substrate storage unit 25 through the opening 25a as shown by an arrow A3 (see FIG. 3). The air that has flowed out of the substrate storage section 25 flows between the communication pipe 32 and the storage pipe 31 in the main body section 4 and is exhausted out of the main body section 4 from the exhaust port 11. Accordingly, an exhaust path through which the exhaust of the electric blower 20 flows is formed in the main body 4 and the housing 23 between the exhaust port 11 and the opening 25a. Thereby, the surface to be cleaned is cleaned.

  A part of the air flowing into the substrate storage portion 25 flows out from the window portion 25 b, flows along the outer surface of the housing 23, and is guided to the exhaust port 11. A lid that opens and closes the window portion 25b may be provided to prevent outflow of air from the window portion 25b.

  Further, when the electric blower 20 is driven in a state where the handle 8 is gripped and the extension pipe 6 is removed from the storage pipe 31, air is sucked together with dust from the tip of the extension pipe 6. The air sucked from the extension pipe 6 flows through the connection hose 7 and the communication pipe 32 and is collected in the dust collection container 9. The air from which the dust has been removed flows through the exhaust passage through the electric blower 20 in the same manner as described above, and is exhausted from the exhaust port 11 to the outside of the main body 4. As a result, it is possible to clean the interior ceiling surface and the gaps between furniture.

  According to the present embodiment, since the control board 30 is arranged in the exhaust path of the electric blower 20, the control board 30 is cooled by the exhaust of the electric blower 20. Therefore, the heat generation of the control board 30 can be reduced. In addition, it is possible to reduce discomfort due to heat generated by the control board 30 for a user who holds a grip portion formed by the handle 8 or the handle 4 c disposed above the main body portion 4.

  Further, the exhaust path of the electric blower 20 opens the exhaust port 11 on one side surface of the main body 4, and guides the exhaust of the electric blower 20 along the side surface facing the exhaust port 11 to the exhaust port 11. The exhaust path can be formed longer. Therefore, the noise of the electric blower 20 leaking from the main body 4 can be reduced.

  Further, the rotating shaft of the electric blower 20 is arranged in the vertical direction, and the housing 23 extends along the cylindrical portion 24 covering the electric blower 20 and the side surface facing the exhaust port 11 from the tubular portion 24. Since it has the board | substrate storage part 25 to accommodate, the exhaust_gas | exhaustion of the electric blower 20 can be easily distribute | circulated along the side surface which opposes the exhaust port 11. FIG. In addition, the control board 30 and the electric blower 20 are integrated, and workability at the time of assembling the vertical vacuum cleaner 1 can be improved.

  Further, the terminal portion connectable to the circuit on the control board 30 is exposed from the housing 23, and a part of the main body cover 4a (opening / closing cover 4b) is detachably formed facing the terminal portion, so the opening / closing cover 4b. And a predetermined device can be connected to the terminal portion exposed from the window portion 25b. Accordingly, the ROM of the control board 30 can be easily rewritten.

  Moreover, since the exhaust path of the electric blower 20 is formed between the communication pipe 32 erected at the rear part of the main body 4 and the storage pipe 31 provided in front of the communication pipe 32, the dead space in the main body 4 Can be used to form a long exhaust path. Therefore, size reduction of the vertical vacuum cleaner 1 can be achieved.

  ADVANTAGE OF THE INVENTION According to this invention, it can utilize for the vertical vacuum cleaner by which a holding part is provided above the main-body part which interiors an electric blower and a control board.

DESCRIPTION OF SYMBOLS 1 Vertical vacuum cleaner 4 Main-body part 4a Main body cover 4b Open / close cover 4c Handle 5 Suction port 6 Extension pipe 7 Connection hose 8 Handle 9 Dust collection container 11 Exhaust port 20 Electric blower 21 Fan motor 22 Impeller 23 Housing 24 Cylindrical shape Part 25 Substrate storage part 25a Opening part 25b Window part 30 Control board 31 Storage pipe 32 Communication pipe

Claims (5)

  A main body part that is equipped with an electric blower and is covered with a main body cover, a grip part that is disposed above the main body part and gripped by a user, and a suction port that has a suction port and is disposed below the main body part A mouth, an exhaust path through which exhaust of the electric blower flows, a control board that controls driving of the electric blower and is disposed in the exhaust path, and a rotation shaft of the electric blower is arranged in a vertical direction and A vertical vacuum cleaner comprising an electric blower and a housing for holding the control board.   The exhaust path opens an exhaust port on one side surface of the main body, and guides the exhaust of the electric blower to the exhaust port after flowing along the side surface facing the exhaust port. The vertical vacuum cleaner according to 1.   The said housing has a cylindrical part which covers the said electric blower, and a board | substrate accommodating part which accommodates the said control board while extending along the side surface which faces the said exhaust port from the said cylindrical part. The vertical vacuum cleaner described in 1.   The terminal part connectable to the circuit on the control board is exposed from the housing, and a part of the main body cover is detachably formed to face the terminal part. Vertical vacuum cleaner.   A flexible connection pipe that communicates with the electric blower via a communication pipe that is erected at the rear part of the main body, and a storage pipe that is connected to the tip of the connection pipe and provided in front of the communication pipe The vertical vacuum cleaner according to claim 2, further comprising an extension pipe that is detachably stored, wherein the exhaust path is formed between the communication pipe and the storage pipe.

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