JP2013118959A - Upright vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform cleaning by a suction hose and a suction tube in a stable state, in an upright vacuum cleaner including the suction hose and the suction tube besides a suction port body.SOLUTION: The upright vacuum cleaner 1 includes: the suction port body 2, and a cleaner body 3 connected to the suction port body 2. The cleaner body 3 is disposed with a dust collection portion 9, an electric fan 10, and a cord reel 12. The cleaner body 3 incudes a handle 40 at the upper part thereof, and the dust collection portion 9 communicates with the suction port body 2 via a first air suction path 30 formed between the suction port body 2 and the cleaner body 3. The cord reel 12 is disposed behind the electric fan 10. The cleaner body 3, at the upper part thereof, is disposed with the suction hose 47 including the suction tube 49 at the end. The suction hose 47 communicates with the dust collection portion 9 via a second air suction path 55 passing through a clearance formed between the electric fan 10 and the cord reel 12.

Description

  The present invention relates to a vertical vacuum cleaner.

  There are two types of household vacuum cleaners. Part 1 is called a canister type in which a suction hose is connected to the vacuum cleaner body with wheels, a suction pipe with a suction port connected to the tip is connected to the suction hose, and the vacuum cleaner body is routed by the suction hose. is there. No. 2 is called a vertical type or an upright type in which a vacuum cleaner main body having a dust collecting portion and an electric blower is connected to a suction port body at a variable angle. The advantage of the vertical vacuum cleaner is that there is no need to work on the suction hose and suction pipe when not in use, unlike the canister vacuum cleaner, and the floor space occupied when not in use is relatively small. There is.

  On the other hand, the vertical vacuum cleaner has the following disadvantages. It is not suitable for sucking up dust from places other than the floor. In order to compensate for this drawback, in addition to the suction port that is always in contact with the floor surface, a vertical electric cleaning system called a 2-way type equipped with a suction hose and suction pipe that can be extended from the vacuum cleaner body as needed The machine was developed. Examples thereof can be seen in Patent Documents 1 and 2.

  In the vertical vacuum cleaner described in Patent Document 1, a suction pipe is provided in a vacuum cleaner body connected to a suction port body, and an expansion tube having a dust suction port at the tip is connected to the suction pipe. When the telescopic tube is pulled out from the housing portion, the dust collection chamber that has been in communication with the suction port body until then communicates with the suction tube and the telescopic tube side. The telescopic tube inserted into the housing portion functions as a handle portion of the cleaner body.

  The vertical vacuum cleaner described in Patent Document 2 has a handle portion that is attached to the front portion of the main body portion so as to enter from above, and communicates with the main body portion by a hose. If the handle portion is removed from the main body portion, the handle portion Dust can be sucked in from an opening provided at the tip of the.

JP 2008-125879 A JP 2005-168623 A

  Since the vertical vacuum cleaners described in Patent Literatures 1 and 2 both use the handle portion for sucking dust, when the handle portion is pulled out to suck up dust at a location where the suction port cannot be used, The vacuum cleaner could not be supported by hand and had to be cleaned in an unstable state.

  The present invention has been made in view of the above points, and in a 2-way type vertical vacuum cleaner provided with a suction hose and a suction pipe in addition to the suction port body, the cleaning by the suction hose and the suction pipe is stable. The purpose is to be able to do in the state. Moreover, it aims at making the whole into a compact structure.

  In order to achieve the above object, the present invention comprises a suction port body and a vacuum cleaner body connected to the suction port body, and a dust collector, an electric blower, and a cord reel are disposed in the vacuum cleaner body. In the vertical type vacuum cleaner, the main body of the vacuum cleaner has a handle at the top, and the dust collector is detachably attached to a dust collector attachment portion at the bottom of the main body of the vacuum cleaner. The cord reel communicates with the suction port body through a first air intake passage formed between the body and the vacuum cleaner body, and the cord reel is disposed behind the electric blower. A suction hose provided with a pipe is disposed, and the suction hose communicates with the dust collecting part through a second intake path passing through a gap formed by the electric blower and the cord reel.

  In the vertical vacuum cleaner having the above-described configuration, it is preferable that the cord reel rotates about a horizontal axis.

  In the vertical vacuum cleaner having the above-described configuration, it is preferable that a pipe holder for accommodating the suction pipe is formed in the vacuum cleaner body.

  In the vertical vacuum cleaner having the above-described configuration, it is preferable that the suction pipe is closed when the suction pipe is in a predetermined storage state with respect to the pipe holder.

  In the vertical vacuum cleaner having the above-described configuration, it is preferable that the main body of the vacuum cleaner can stand upright in an upright posture, and a narrowed portion is generated in the first intake path in the upright posture.

  According to the present invention, since the state in which the handle is attached to the upper portion of the vacuum cleaner main body is unchanged, the vacuum cleaner main body is supported and stabilized even when the suction hose and the suction pipe are extended from the vacuum cleaner main body. be able to. Further, since the cord reel is arranged not behind the electric blower but behind the electric blower, the size of the vacuum cleaner main body can be reduced. And since the 2nd air intake path which connects a suction hose to a dust collecting part is passed through the crevice formed with an electric blower and a cord reel, it uses the space in a vacuum cleaner body without waste, and uses a vacuum cleaner main body. It can be set as a compact structure.

1 is a front view of a vertical vacuum cleaner according to an embodiment of the present invention (hereinafter simply referred to as “vertical vacuum cleaner” in this paragraph). It is a vertical sectional view of a vertical vacuum cleaner. It is a right view of a vertical vacuum cleaner. It is a left view of a vertical vacuum cleaner. It is a rear view of a vertical vacuum cleaner. It is a top view of a vertical vacuum cleaner. It is a horizontal sectional view of the vertical vacuum cleaner cut along the line VII-VII in FIG. It is a horizontal sectional view of the vertical vacuum cleaner cut along the line VIII-VIII in FIG. It is the perspective view which looked at the vertical vacuum cleaner from diagonally backward in the state which cut off a part of housing | casing. It is a front view of the vertical vacuum cleaner of the state which removed the dust collecting part. It is a right view of the vertical vacuum cleaner of the state which removed the dust collection part. It is a right view of the dust collecting part removed from the cleaner body. It is a right view of the state which isolate | separated the dust collection part removed from the cleaner main body into the dust collection container and the filter unit. It is a perspective view of the state of FIG. It is a front view of the vertical vacuum cleaner at the time of handle expansion. It is a right view of the vertical vacuum cleaner at the time of handle extension. It is a right view of the same vertical type vacuum cleaner as FIG. 16, Comprising: The state which pulled out the suction pipe from the pipe holder is shown.

  The structure of the vertical vacuum cleaner 1 will be described with reference to FIGS. It is assumed that the left hand side of the observer facing the vertical vacuum cleaner 1 from the front is the left side surface of the vertical vacuum cleaner 1, and the right hand side is the right side surface of the vertical vacuum cleaner 1.

  The vertical vacuum cleaner 1 includes a suction port body 2 that is grounded to the floor surface, and a vacuum cleaner body 3 that is connected to the suction port body 2 in a variable angle manner. The universal joint 4 provided at the center of the rear part of the suction port body 2 connects the suction port body 2 and the cleaner body 3. The vacuum cleaner body 3 can be laid back in a predetermined angle range around the universal joint 4 and can be twisted in a predetermined angle range. The universal joint 4 is hollow and forms a part of a first intake path described later. The vacuum cleaner main body 3 can stand upright on the suction inlet 2 as shown in FIGS. 1 to 5, and is self-supporting in that state.

  The suction port body 2 has a flat box-shaped housing 2a. Wheels 5 are attached to the left and right side surfaces of the rear portion of the housing 2a, and a pair of left and right rollers 6 are attached to the front end portion of the lower surface. The suction port body 2 is lightly moved on the floor surface by these wheels and rollers. I can move. A suction port 7 that is long in the left-right direction is formed on the lower surface of the front portion of the housing 2a. The suction port 7 communicates with the universal joint 4.

  The cleaner body 3 has a cylindrical housing 3a. The lower part of the housing 3a is a dust collection part attachment part 8 that opens toward the front, and a dust collection part 9 is detachably attached thereto. The structure of the dust collector 9 will be described later. Inside the housing 3a, an electric blower 10 is disposed on the upper portion so as to be in series with the dust collecting portion 9. The electric blower 10 is installed in such a manner that its fan is down and its motor is up, and its own axis is parallel to the axis of the housing 3a.

  A partition plate 11 is disposed behind the electric blower 10. The partition plate 11 divides the internal space of the housing 3a above the dust collection portion mounting portion 8 in the front-rear direction. The electric blower 10 is stored in the front space, and the rear space is electrically connected to an external power source. A cord reel 12 for supplying power to the blower 10 is accommodated. A control component for performing drive control of the electric blower 10 is attached to the partition plate 11.

  The cord reel 12 is of a normal type that winds the cord with the force of the mainspring spring, and rotates around a horizontal shaft 13 spanned between the partition plate 11 and the housing 3a. The axis of the horizontal axis 13 coincides with the front-rear direction of the housing 3a. Since the cord reel 12 is disposed not behind the electric blower 10 but behind it, the size of the cleaner body 3 in the height direction can be reduced. Further, since the axis of the horizontal shaft 13 coincides with the front-rear direction of the housing 3a, the maximum width direction of the cord reel 12 is not the front-rear direction but the left-right direction, so that the vacuum cleaner body 3 can be reduced in size in the depth direction. it can.

  A lattice-shaped exhaust port 14 for exhausting air from the space in which the cord reel 12 is housed is formed on the back surface of the housing 3a. A lattice-shaped exhaust port 15 for exhausting air from the space in which the cord reel 12 is stored is also formed on the left side surface of the housing 3a.

  A cord outlet 16 for drawing a cord from the cord reel 12 is formed above the exhaust port 15. For this reason, the user standing on the back side of the vertical vacuum cleaner 1 can pull out the cord using the right hand. A roller 17 is provided on the upper part of the cord outlet 16, and the user can quickly draw out the cord by squeezing the cord with the roller 17. A cord winding button 18 for causing the cord reel 12 to wind the cord is disposed on the upper surface of the housing 3a.

  A handle 19 is provided on the upper right side of the housing 3a. When the user is in a low posture, the vertical vacuum cleaner 1 can be lifted in the same posture without gripping and pulling on the handle described later, if the user holds the handle 19.

  Next, the structure of the dust collection unit 9 will be described. The dust collecting part 9 is designed to be integrated with the housing 3a without a sense of incongruity when fitted into the dust collecting part mounting part 8. The dust collecting unit 9 is divided into a dust collecting container 20 at the lower part and a filter unit 21 at the upper part. The filter unit 21 is provided with a handle portion 22 that is used to remove the dust collecting portion 9 from the dust collecting portion attaching portion 8 or attach it to the dust collecting portion attaching portion 8. The handle portion 22 has a latch function that prevents the dust collection portion 9 from being detached from the dust collection portion attachment portion 8.

  The dust collecting container 20 has a cup shape, and the filter unit 21 is fitted into the upper surface opening thereof. A cylindrical cage 24 hangs down from the bottom plate 23 of the filter unit 21. As shown in FIG. 8, the inner surface of the dust collecting container 20 is cylindrical, and the cage 24 is located at the center thereof. A synthetic fiber net 25 (see FIG. 2) is stretched on the outer surface of the cage 24, and coarse dust in the air is collected there.

  A disk 26 is attached to the lower end of the cage 24. The disk 25 divides the internal space of the dust collecting container 20 into upper and lower parts, and the outer peripheral part thereof faces the inner peripheral surface of the dust collecting container 20 with a predetermined interval. A cylindrical portion 27 hangs down from the center of the disk 26. The lower end of the cylindrical portion 27 covers a cylindrical projection 28 formed at the center of the inner bottom surface of the dust collecting container 20 from the outside. Thereby, the cage 24 and the disk 26 are positioned at the center of the dust collecting container 19.

  A duct 29 rises from the universal joint 4. The internal space of the suction port body 2 that allows the duct 29 and the universal joint 4 and the suction port 7 and the universal joint 4 to communicate with each other forms a first intake path 30.

  At the upper end of the duct 29, a front-shaped rectangular air outlet 31 (its shape appears in FIG. 10) that opens toward the inside of the dust collecting portion mounting portion 8 is formed. On the back surface of the dust collecting container 20, an air flow inlet 32 connected to the air outlet 31 is formed at the height of the cage 24. As shown in FIG. 8, the air flow inlet 32 is arranged at an angle that is tangential to the inner peripheral surface of the dust collecting container 20, and as a result, the air flow that flows into the dust collecting container 20 from the air flow inlet 32 is collected. It will turn inside the dust container 20. The turning direction is counterclockwise when viewed from above.

  The internal space of the cage 24 communicates with the upper portion of the bottom plate 23 through an opening 33 formed in the bottom plate 23. A filter 35 is accommodated in the space between the bottom plate 23 and the ceiling plate 34 of the filter unit 21. The filter 35 is a HEPA (high efficiency particulate air) filter and collects fine dust in the air. Ventilation holes 36 are formed in the ceiling plate 34 to allow air that has passed through the filter 35 to escape to the electric blower 10 side.

  The dust container 20 and the filter unit 21 are connected by a latch 37 shown in FIGS. The latch 37 is attached to a handle 38 formed integrally with the mouth of the dust collecting container 20. The handle 38 has an inverted L shape, and is disposed at a location near the back of the right side surface of the dust collection container 20. The latch 37 is a seesaw type, and is biased by a spring (not shown) so that the upper end engages with the engaging portion 39 at the edge of the filter unit 21.

  When the user puts a finger other than the right thumb on the handle 38 and presses the lower end of the latch 37 with the thumb of the right hand, the upper end of the latch 37 is disengaged from the engaging portion 39 of the filter unit 21. Thereby, as shown in FIGS. 13 and 14, the filter unit 21 can be separated from the dust collecting container 20. Thereafter, the dust collecting container 20 can be tilted while holding the handle 38 with the right hand, and the dust inside the dust collecting container 20 can be discarded.

  After the dust is discarded, if the filter unit 21 is placed on the dust collection container 20 and the filter unit 21 is pressed against the dust collection container 20, the latch 37 is engaged with the engaging portion 39, and the dust collection container 20 and the filter unit 21 are The connected state shown in FIG. If the dust collection part 9 in this state is fitted into the dust collection part mounting part 8, the latch 37 and the handle 38 are hidden in the housing 3a and cannot be seen.

  Gaskets are provided at the fitting portion between the dust collecting container 20 and the filter unit 21, the connecting portion between the filter unit 21 and the housing 3a, and the connecting portion between the air outlet 31 and the air flow inlet 32, respectively. Dust is prevented from leaking.

  A bar-like handle 40 is fixed to the upper portion of the cleaner body 3. The axis of the handle 40 is substantially aligned with the axis of the electric blower 10. A grip 41 that obliquely intersects the axis of the handle 40 is provided at the tip of the handle 40. The grip 41 has a flat ring shape.

  The handle 40 is constituted by an outer pipe 42 and an inner pipe 43, and can be telescopically expanded and contracted. 1 to 5 illustrate the handle 40 in a contracted state, and FIGS. 15 to 17 illustrate the handle 40 in an expanded state.

  The handle 40 is provided with a lock device 44 (see FIG. 2) for locking the extended state or the contracted state, and the grip 41 is provided with a lock releasing portion 45 of the lock device 44. The lock release unit 45 is in the form of a trigger, and the lock can be released by pulling the lock release unit 45 with the index finger of the hand holding the grip 41. Therefore, the operation of switching the handle 40 from the contracted state to the extended state, or the reverse operation can be easily performed with one hand.

  An operation switch 46 of the electric blower 10 is disposed on the handle 40. The location of the operation switch 46 is in front of the upper end of the inner pipe 43, around the start of the grip 41. The operation switch 46 is arranged in a range where the thumb of the hand holding the grip 41 can reach, and the operation switch 46 can be easily operated with the hand holding the grip 41.

  Inside the handle 40, a coil-shaped curl cord (not shown) for electrical connection between the cleaner body 3 and the operation switch 46 is disposed. Since the curl cord can be expanded and contracted, there is no fear of disconnection even if the handle 40 is expanded or contracted. Further, since the handle 40 remains fixed to the cleaner body 3, wiring from the cleaner body 3 is easy, and there is little risk of problems in the wiring.

  In addition to the suction port 2, the vacuum cleaner body 3 is provided with a suction hose 47 as another suction means. The suction hose 47 is a bellows-type expansion / contraction hose, and a root portion is connected to a hose connection portion 48 provided on the upper surface of the housing 3a. The hose connection 48 is just behind the handle 40. A suction pipe 49 is attached to the tip of the suction hose 47. The suction pipe 49 can also be telescopically expanded and contracted. A suction tool 50 is attached to the tip of the suction pipe 49.

  A cylindrical pipe holder 51 is provided on the upper back of the housing 3a. The pipe holder 51 is closed at the lower end and opened at the upper end, and its axial direction coincides with the axial direction of the housing 3a. The suction pipe 49 is inserted into the pipe holder 51 from above, and the lower part is stored in the pipe holder 51. When the suction pipe 49 in the reduced state is pushed into the pipe holder 51 to the end, the suction pipe 49 is in a predetermined storage state. At this time, the suction pipe 49 comes into close contact with the gasket provided in the pipe holder 51, and the suction pipe 49 Becomes blocked.

  The hose connection 48 is connected to the duct 29 by a duct 52 having a circular cross section. The duct 29 is formed with an introduction port 53 that protrudes in the direction of the left side surface of the cleaner body 3 at the same height as the air outlet 31, and the duct 52 is connected to the introduction port 53 via an elbow 54. . The elbow 54 can be removed from the duct 52 and the introduction port 53.

  The suction pipe 49, the suction hose 47, the hose connection portion 48, the duct 52, and the elbow 54 constitute a second intake path 55. 7 and 9, the duct 52 is disposed so as to pass through a wedge-shaped gap formed between the arc-shaped outer peripheral surface of the electric blower 10 and the flat portion of the cord reel 12. Yes. Since the duct 52 is arranged using the gap space as described above, the internal space of the cleaner body 3 can be used without waste, and the cleaner body 3 can be configured compactly.

  Since the suction hose 47 and the suction pipe 49 constituting the second intake passage 55 are separate from the handle 40, a firm fixing method can be adopted for fixing the handle 40. Ensuring the amount of expansion and contraction of the handle 40 is easy. Since the expansion / contraction amount of the handle 40 can be ensured, the height of the entire vertical vacuum cleaner 1 can be suppressed.

  The operation of the vertical vacuum cleaner 1 will be described. As described above, since the suction pipe 49 is in a closed state when the suction pipe 49 is in a specified storage state with respect to the pipe holder 51, suction is performed only from the suction port body 2 at this time.

  In a state where the cleaner body 3 is upright, a narrow portion is formed in a part of the first intake passage 30. The location is a universal joint 4. In a state where the cleaner body 3 is upright, an opening formed between the components of the universal joint 4 is narrowed, and this becomes a narrowed portion. Since the universal joint 4 is not completely closed, even if the electric blower 10 is operated at this time, the minimum air necessary for cooling the electric blower 10 flows and the electric blower 10 may overheat. There is no.

  When the user holds the grip 41 of the handle 40 and tilts the vacuum cleaner body 3 later, the narrowed portion of the universal joint 4 opens, and the posture for sucking air and dust is prepared. Here, when the operation switch 46 is operated to operate the electric blower 10, an airflow that flows into the dust collecting unit 9 through the first intake path 30 is generated.

  The air sucked from the suction port 7 flows into the dust container 20 from the air outlet 31 of the duct 29 through the air flow inlet 32 of the dust container 20. Air swirls in the dust container 20. Coarse dust in the swirling airflow is separated from the airflow by centrifugal force, enters a space below the disk 26 from a gap between the disk 26 and the inner peripheral surface of the dust collecting container 20, and accumulates there.

  The swirling airflow is finally sucked into the cage 24, and the coarse dust remaining in the airflow is collected by the net 25. The airflow that escapes upward from the internal space of the cage 24 through the ventilation hole 36 is sucked into the electric blower 10 via the filter 35. In the process, fine dust in the airflow is collected by the filter 35.

  The air sucked into the electric blower 10 is discharged from the motor portion. The discharged air flows into the space where the cord reel 12 is disposed while cooling the control components attached to the partition plate 11, and cools the cord wound around the cord reel 12. Thereafter, the air is discharged from the exhaust ports 14 and 15.

  If the dust collecting part 9 is removed from the cleaner body 3 by placing a hand on the handle 22 and the latch 37 is operated to separate the dust collecting container 20 from the filter unit 21, the dust collected in the dust collecting container 20 is discarded. Can do. Dust adhering to the net 25 can also be removed at this time. If the ceiling plate 34 is removed from the filter unit 21, the filter 35 can be cleaned or replaced.

  When the suction port body 2 reaches the destination, it is often necessary to twist the cleaner body 3 to change the angle with respect to the suction port body 2. In the vertical vacuum cleaner 1, the axis of the handle 40 is substantially aligned with the axis of the heaviest electric blower 10 in the main body 3 of the vacuum cleaner 3, so that when the handle 40 is twisted, the axis of the handle 40 The mass moment of the electric blower 10 generated by the deviation of the axis is small, and the angle of the cleaner body 3 can be changed with a light movement.

  When performing suction using the suction hose 47, the suction pipe 49 is pulled out from the pipe holder 51 with the cleaner body 3 in an upright posture. At this time, if the handle 40 is in the extended state as shown in FIG. 17, the suction pipe 49 can be easily pulled out. Since the vacuum cleaner body 3 is in the upright posture, a narrow portion is formed in the first intake passage 30, so that the suction force of the electric blower 10 is distributed more toward the second intake passage 55, and the suction is stronger than the suction pipe 49. It can be carried out.

  While performing suction from the suction pipe 49, the user can hold the vacuum cleaner body 3 by holding the handle 40 with his free hand. For this reason, the user can perform the cleaning by the suction hose 47 and the suction pipe 49 without worrying about the vertical vacuum cleaner 1 falling over. In order to secure the suction force of the suction pipe 49, it is significant that the cleaner body 3 can be held in an upright posture and the posture of the cleaner body 3 can be stabilized by holding the handle 40.

  Although the embodiments of the present invention have been described above, the scope of the present invention is not limited to these embodiments, and various modifications can be made without departing from the spirit of the invention.

  The present invention is widely applicable to vertical vacuum cleaners.

DESCRIPTION OF SYMBOLS 1 Vertical type vacuum cleaner 2 Suction inlet 3 Vacuum cleaner main body 8 Dust collection part attachment part 9 Dust collection part 10 Electric blower 12 Cord reel 30 First intake path 40 Handle 47 Suction hose 49 Suction pipe 51 Pipe holder 52 Duct 55 First 2 intake route

Claims (5)

In a vertical vacuum cleaner comprising a suction port body and a vacuum cleaner body connected to the suction port body, wherein the vacuum cleaner body is provided with a dust collector, an electric blower, and a cord reel.
The vacuum cleaner body has a handle at the top,
The dust collecting part is detachably attached to a dust collecting part attaching part at a lower part of the vacuum cleaner body, and when the dust collecting part is attached, the suction port is formed through a first intake passage formed between the suction port body and the cleaner body. Communicate with the mouth,
The cord reel is disposed behind the electric blower,
A suction hose having a suction pipe at the tip is disposed at the top of the vacuum cleaner body, and the suction hose is connected to the dust collecting part through a second intake path passing through a gap formed by the electric blower and the cord reel. A vertical vacuum cleaner characterized by communication.   2. The vertical vacuum cleaner according to claim 1, wherein the cord reel rotates around a horizontal axis.   The vertical vacuum cleaner according to claim 1 or 2, wherein a pipe holder for accommodating the suction pipe is formed in the vacuum cleaner body.   The vertical vacuum cleaner according to claim 3, wherein when the suction pipe is in a predetermined storage state with respect to the pipe holder, the suction pipe is closed.   5. The vertical vacuum cleaner according to claim 1, wherein the main body of the vacuum cleaner can stand independently in an upright posture, and a narrowed portion is formed in the first intake path in the upright posture.

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