JP2007089762A - Upright vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an upright vacuum cleaner preventing dust sucked from a suction pipe side suction passage from entering into a floor side suction passage. <P>SOLUTION: This upright vacuum cleaner is provided with a floor suction device 50 below a cleaner body 20, and a clearance suction pipe 60 detachably attached to the cleaner body; the floor suction device 50 is connected to a common passage 35 communicating with a dust cup 70 inside the cleaner body via the floor side suction passage 36; and the clearance suction pipe 60 is connected to the common passage 35 via the suction pipe side suction passage 37. The common passage 35 extends approximately horizontally, the floor side suction passage 36 and the suction pipe side suction passage 37 are communicating with the common passage 35 from below and above respectively, and merging positions of the floor side suction passage 36 and the suction pipe side suction passage 37 with the common passage 35 are shifted so as not to face each other. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a vertical vacuum cleaner having a floor suction tool on the lower side and a detachable gap suction pipe.

This type of vertical vacuum cleaner, when cleaning the floor surface, insert a gap suction pipe into the main body of the vacuum cleaner, grab the handle provided at the top of the main body of the vacuum cleaner, and slide the floor suction tool on the floor surface. Move it to make it clean. Moreover, a clearance gap, a wall, a ceiling, etc. remove a clearance suction pipe from a cleaner main body, and clean it with a clearance suction pipe.
The floor suction tool and the gap suction pipe are connected to a dust cup provided inside the cleaner body. Specifically, the floor side suction passage of the floor suction tool and the suction pipe side suction passage of the gap suction pipe are connected to the common passage communicated with the dust cup (for example, Patent Document 1). ).

JP 2002-233482 A

In the vertical vacuum cleaner of Patent Document 1, a common flow path extending in the vertical direction is connected to an upper end of a floor side suction flow path extending in the vertical direction from the floor suction tool, and the suction pipe side suction flow path is connected to the common flow path. It is provided to join the road from the side.
Therefore, the dust sucked from the suction pipe side suction flow path may fall from the common flow path to the floor side suction flow path.

  An object of the present invention is to provide a vertical cleaner in which dust sucked from the suction pipe side suction flow path does not flow into the floor side suction flow path.

In order to solve the above problems, the vertical vacuum cleaner of the present invention is
There is a floor suction tool below the vacuum cleaner body, a vacuum suction pipe is detachably attached to the vacuum cleaner body, and the floor suction tool is on the floor side in a common flow path communicating with the dust cup inside the vacuum cleaner body. The suction flow path and the gap suction pipe are connected to each other through the suction pipe side suction flow path.
The common channel extends in a substantially horizontal direction, the floor side suction channel communicates with the common channel from below, the suction pipe side suction channel communicates with the common channel from above, and the floor side suction channel The position where the suction pipe side suction flow path joins the common flow path was shifted so as not to face.

  Since the common flow path is arranged in a substantially horizontal direction and the joining position of the floor side suction flow path and the suction pipe side suction flow path to the common flow path is shifted so as not to be vertically opposed, the suction pipe side suction flow path The dust sucked from the air does not flow into the common flow path.

<Basic configuration of vertical vacuum cleaner>
FIG. 1 is a perspective view of a vertical vacuum cleaner (10) of the present invention. As shown in the figure, the vertical vacuum cleaner (10) includes a vacuum cleaner body (20) having a dust cup (70) at the center of the front surface and a transport handle (21) projecting from the upper end, and the vacuum cleaner. The floor suction tool (50) attached to the lower part of the main body (20) so as to be able to swing up and down, and the gap suction pipe (60) detachably provided above the front part of the cleaner body (20). To do.
A rear wheel (52) for moving the vertical cleaner (10) is provided at the rear end of the floor suction tool (50).
The clearance suction pipe (60) has an operation handle (61) at the upper end, and the clearance suction pipe (60) is connected to the cleaner body (20) by a bellows-like pipe connection hose (62). Has been.
When cleaning the floor, the user grasps the operation handle (61) and moves the vacuum cleaner body (20) back and forth as shown in FIG. (50) sucks dust on the floor into the vacuum cleaner body (20).
Also, when cleaning the gaps, ceilings, etc. of walls and furniture, remove the gap suction pipe (60) from the cleaner body (20) as shown in FIG. 9 without tilting the cleaner body (20), Dust on the wall surface and the like is sucked into the cleaner body (20) by the gap suction pipe (60).

<Vacuum cleaner body>
As shown in FIG. 1 to FIG. 4, the cleaner body (20) is configured to cover the outer periphery of the cleaner body (20) from the front and rear by a front case (22) and a rear case (23), and is transported to the upper end. Includes handle (21). The front case (22) and the rear case (23) are screwed (24) and (24), and the transport handle (21) is also attached by screwing. As shown in FIG. 5, the front case (22) is formed with a pipe accommodating portion (25) for accommodating the gap suction pipe (60) above the front portion, and the front center of the front case (22). The dust cup housing part (26) for housing the dust cup (70) is recessed. The pipe housing part (25) is provided in the front case (22) because the vertical vacuum cleaner (10) grips and operates the upper end operation handle (61) of the gap suction pipe (60). A strong force acts on the part (25). For this reason, when the pipe housing part (25) is formed to straddle the front case (22) and the rear case (23), the force acting on the pipe housing part (25) causes the front case (22) and the rear case to This is because a gap is generated in the part line (27) of (23).
As shown in FIG. 5, the part line (27) between the front case (22) and the rear case (23) is a part of the rear case (23) for the purpose of downsizing the vacuum cleaner body (20). The structure is reversed so that the slope of the shoulder (29) of the rear case (23) without the power on / off switch (28) is lowered at the tip according to the shape of the front case (22) It is said. In order to realize such a configuration of the rear case (23), a slide is added to the mold of the rear case (23), and as shown in FIG. The thickness of the vacuum cleaner main body (20) can be adapted to a wide variety of external shapes so that the thin-walled portion (32) with a reduced thickness is formed.

FIG. 7 is a longitudinal sectional view of the vertical cleaner (10) of the present invention.
The vacuum cleaner body (20) includes a motor (33) including a fan (not shown), a dust cup (70), and a cord reel accommodating portion (34) for accommodating a power supply cord. . Between the dust cup (70) and the cord reel accommodating portion (34), a substantially horizontal common channel (35) having one end communicating with the dust cup (70) is disposed.
The other end, which is the upstream side of the common flow path (35), is joined by the floor side suction flow path (36) extending from the floor suction tool (50) to the inside of the vacuum cleaner body (20) upward. The suction pipe side suction flow path (37) communicating with the gap suction pipe (60) from above joins the downstream side of the joining position of the floor side suction flow path (36) and the common flow path (35). ing.

<Floor suction tool>
As shown in FIG. 7, the floor suction tool (50) has a suction port (51) opened downward on the front end side and a wheel (not shown) on the rear end side. The floor suction tool (50) is connected to the floor side suction flow path (36) via the floor side pipe (53) so as to be able to swing in the vertical direction.
As shown in FIG. 7, the floor side pipe (53) has a state in which the cleaner body (20) is erected vertically with respect to the floor suction tool (50), and as shown in FIG. In the state where (20) is inclined with respect to the floor suction tool (50), the opening degree of the tip of the floor side pipe (53) is different.
The state where the vacuum cleaner main body (20) shown in FIG. 7 is erected vertically is a state where the floor suction tool (50) is not used, and the floor suction tool (50) is reduced by reducing the opening. As shown in FIG. 9, the suction force from the gap suction pipe (60) when using the gap suction pipe (60) can be increased by reducing the suction force. Further, even if dust or the like flows from the vacuum cleaner body (20) side to the floor side suction flow path (36), the floor side pipe (53) has a substantially closed tip, so the floor suction tool ( No dust will fall on the floor from 50). At this time, the tip of the floor side pipe (53) is not completely closed, but is slightly open, so the weak air flow from the floor side suction flow path (36) to the common flow path (35) is not It is ensured that dust or the like flowing into the floor side suction flow path (36) can be prevented from falling toward the floor suction tool (50).
FIG. 8 shows a state of cleaning by suction from the floor suction tool (50), and the tip of the floor side pipe (53) is placed so that the suction force from the floor suction tool (50) is increased. It is in an open state.

  Further, as shown in FIG. 10, the floor suction tool (50) is desirably provided with a foot pedal (54) at the rear end. Thus, as shown in FIG. 11, when the user steps on the step pedal (54) when climbing over the step, the tip of the floor suction tool (50) is lifted with the rear wheel (52) as a fulcrum. Thereby, it is possible to easily get over the step.

<Gap suction pipe>
As shown in FIGS. 7 and 9, the gap suction pipe (60) has a suction pipe side suction passage (37) extending upward from the rear of the cleaner body (20) and a pipe connection hose (62). It is connected. The gap suction pipe (60) includes a main pipe (63) connected to the pipe connection hose (62) and a tip nozzle (64) that can be folded and communicated with the main pipe (63). . When not in use, the gap suction pipe (60) is housed in a pipe housing part (25) provided in front of the upper portion of the cleaner body (20) in a folded state as shown in FIG. As shown in FIG. 9, it is pulled out from the pipe accommodating part (25), and the tip nozzle (64) is rotated and connected to the main pipe (63) for use.
When the gap suction pipe (60) is housed in the pipe housing part (25), the tip of the main pipe (63) is closed by the pipe housing part (25) as shown in FIG. The suction force by (60) hardly acts.

In addition, as shown in FIG. 7, the main pipe (63) is bent so that the base end side is inclined obliquely rearward so that the bellows-like pipe connection hose (62) is not deformed. Is desirable.
In order to prevent the pipe connection hose (62) from being twisted when the gap suction pipe (60) is operated, as shown in FIG. 12, the pipe connection hose (62) is connected to the gap suction pipe (60). ) And / or the vacuum cleaner body (20).

  In the vertical vacuum cleaner (10) of the present invention, as described above, the common flow path (35) communicating with the dust cup (70) includes the floor side suction flow path (36), the suction pipe side suction flow path (37 ) Is moved so that it does not oppose the vertical direction, so that dust or the like that has flowed into the common flow path (35) from the suction pipe side suction flow path (37) into the floor side suction flow path (36). It never flows in.

<Other examples>
As shown in FIG. 13, a check valve (38) that can be opened toward the downstream side of the common flow path (35) is formed at the joining position of the common flow path (35) and the floor side suction flow path (36). May be deployed. The check valve (38) can be made of rubber, plastic, or the like, and can be attached by a hinge stop or the like.
The check valve (38) prevents dust or the like flowing into the common channel (35) from the suction pipe side suction channel (37) from flowing into the floor side suction channel (36).

  Further, as shown in FIG. 14, a pocket (39) that is recessed downward in the common flow path (35) is located at the joining position where the suction pipe side suction flow path (37) joins the common flow path (35). May be provided. Thereby, dust or the like flowing into the common flow path (35) from the suction pipe side suction flow path (37) does not fall into the pocket (39) and flow into the floor side suction flow path (36).

The transport handle (21) of the cleaner body (20) is disposed above the center of gravity of the cleaner body (20) as shown in FIGS. Specifically, it is arranged in the vertical direction in the center of the cleaner body (20). As a result, when the vacuum cleaner (10) is transported by grasping the transport handle (21) and transporting the vacuum cleaner (10), it is easy to carry.
Further, as shown in the figure, the gap suction pipe (60) is disposed in front of the transport handle (21) when viewed from the front and in the center of the cleaner body (20) and from the side. . The operation handle (61) provided at the upper end of the gap suction pipe (60) is formed by bending backward so as to be positioned above the center of gravity of the cleaner body (20). Thereby, the operativity at the time of grasping the operation handle (61) and operating the cleaner (10) can be improved.
By placing the gap suction pipe (60) in the front part of the vacuum cleaner body (20), the center of gravity of the entire vacuum cleaner (10) is closer to the front, and when the vacuum cleaner (10) is stood and left, Because it tilts, it feels stable and the vacuum cleaner (10) does not fall down.

  Preferably, as shown in FIG. 2, when the vacuum cleaner (10) is viewed from the front, the transport handle (21) is hidden from the gap suction pipe (60) and cannot be seen. The shape of 21) is formed narrower than the gap suction pipe (60). Thereby, compactness when the vacuum cleaner (10) is viewed from the front can be realized.

  Further, the gap suction pipe (60) cannot be accommodated in a low space because it is high when it is accommodated in the pipe accommodating portion (25) when not in use. Therefore, as shown in the enlarged views in FIG. 15 and FIG. 15, the main pipe (63) is provided with an engaging portion (65) projecting obliquely downward and forward, and the cleaner body (20) has The main pipe (63) can be attached in an inclined state with respect to the cleaner body (20) by providing an engagement receiving part (41) into which the engaging part (65) of the main pipe (63) is vertically stuck. It is desirable to be able to do so. Thereby, compared with the state which attached the main pipe (63) to the cleaner body (20) perpendicularly, height can be made low and it can accommodate in a low space.

<Dust cup>
16 to 21 show a dust cup (70) of a cyclonic vacuum cleaner.
The dust cup (70) is attachable to and detachable from the dust cup housing part (26) formed in the front case (22) of the cleaner body (20).
The dust cup (70) is mainly composed of a dust cup body (72) having a filter (76) therein. As shown in FIG. 20, the dust cup body (72) has a main flow path (74) and a bypass flow path (75) communicating with the common flow path (35) of the cleaner body (20). The intake air flow that has passed through the main channel (74) and the bypass channel (75) is exhausted from the motor (33) side through the filter (76). The filter (76) is housed in a filter housing part (79) whose one end is pivotally supported (77) so as to be openable and closable with respect to the dust cup body (72) and the other end is detachably clamped (78). The dust accumulated in the dust cup body (72) is discarded by operating the clamp (78) to open the filter accommodating portion (79) as shown in FIG.

The dust cup body (72) is formed to be transparent or semi-transparent so that the dust accumulation inside the dust cup (70) can be silent, so that the dust cup body (72) cannot be seen from the outside. In addition, in order to achieve continuity in appearance with the front case (22), the front surface of the dust cup body (72) is covered with a decorative plate (81).
As shown in FIG. 16, a knob (82) is formed on the decorative plate (81). When the user attaches / detaches the dust cup (70) to / from the dust cup housing (26), the knob is removed. I can grab (82).
When the dust cup (70) is attached to the dust cup (70), the decorative plate (81) may not be aligned with the front case (22) and may be spread.
Therefore, in the present invention, as shown in FIGS. 16 to 18, ribs (83) and (84) are respectively provided on the decorative plate (81) and the dust cup body (72) so as to project both ribs (83) and (84). By connecting the two, the attachment strength between the decorative plate (81) and the dust cup body (72) is increased, and the rib (83) of the decorative plate (81) follows the bent shape of the inner surface of the decorative plate (81). By projecting in this manner, the decorative plate (81) is prevented from spreading.

  As shown in FIGS. 18 and 19, on the back surface of the decorative plate (81), there is a brush accommodating portion (86) for accommodating a brush (85) for cleaning the filter (76) of the dust cup body (72). It is recessed. The decorative plate (81) is not visible in appearance and can be improved in design by making the knob portion (82) non-transparent and forming the brush accommodating portion (86) on the back surface. ) Is provided with the brush (85), the filter (76) can be easily cleaned.

  In order to reduce the clogging of the filter (76), the dust cup (70) can be configured so that the tissue paper (90) can be stacked on the upstream side of the filter (76). When the tissue paper (90) is mounted, it is necessary to place the tissue paper (90) on the filter housing portion (79) with the filter housing portion (79) opened. At this time, if the filter housing part (79) is slanted or the dust cup (70) is wobbled, the tissue paper (90) cannot be mounted well. Therefore, as shown in FIG. 21, when the filter housing part (79) is opened, the knob (82) of the decorative plate (81) and the filter housing part (79) are opened so as to be in a straight line (92). By making it, stability at the time of tissue paper mounting | wearing can be improved, and mounting mistakes can be reduced. In the illustrated embodiment, the shaft support (77) of the filter housing portion (79) is provided on the decorative plate (81) side, and the clamp (78) is provided on the side opposite to the decorative plate (81), thereby providing a decorative plate. (81) and the filter housing part (79) (the upper surface of the filter (76)) can be opened until they are aligned (92).

  The vertical vacuum cleaner of the present invention has a pipe side suction by shifting the position where the floor side suction channel of the floor suction tool and the pipe side suction channel of the gap suction pipe merge with the common channel of the cleaner body. This is useful as a vertical vacuum cleaner in which dust or the like does not flow from the flow path into the floor side suction flow path.

It is a perspective view of the vertical cleaner of the present invention. It is a front view of a vertical cleaner. It is a left view of a vertical cleaner. It is a right view of a vertical cleaner. It is an upper part expansion perspective view of a vacuum cleaner main body. It is an expanded sectional view of the rear case upper part of a cleaner body. It is a longitudinal cross-sectional view of a vertical cleaner. It is a longitudinal cross-sectional view of the vertical vacuum cleaner of the state which is using the suction tool for floors. It is a longitudinal cross-sectional view of the vertical cleaner of the state which is using the clearance gap suction pipe. It is a top view of the suction tool for floors. It is a side view of the vertical type vacuum cleaner which shows the state which steps on the pedal of a floor suction tool and gets over a level | step difference. It is explanatory drawing of a pipe connection hose. It is a longitudinal cross-sectional view of the vertical cleaner which has arrange | positioned the non-return valve in the common flow path. It is a longitudinal cross-sectional view of the vertical cleaner which formed the pocket in the common flow path. It is a side view of the vertical type vacuum cleaner which shows the state which hooked the gap | suction suction pipe on the cleaner body diagonally, and was accommodated. It is a front view of a dust cup. It is a side view of a dust cup. It is sectional drawing in alignment with line AA of FIG. It is sectional drawing which follows the line BB of FIG. It is sectional drawing which shows the internal structure of a dust cup. It is sectional drawing of the dust cup which shows the state which opened the filter part.

Explanation of symbols

(10) Vertical vacuum cleaner
(20) Vacuum cleaner body
(35) Common flow path
(36) Floor side suction flow path
(37) Pipe side suction flow path
(50) Floor suction tool
(60) Gap suction pipe
(70) Dust cup

Claims (7)

There is a floor suction tool below the vacuum cleaner body, a vacuum suction pipe is detachably attached to the vacuum cleaner body, and the floor suction tool is on the floor side in a common flow path communicating with the dust cup inside the vacuum cleaner body. The suction flow path and the gap suction pipe are connected to each other through the suction pipe side suction flow path.
The common channel extends in a substantially horizontal direction, the floor side suction channel communicates with the common channel from below, the suction pipe side suction channel communicates with the common channel from above, and the floor side suction channel A vertical vacuum cleaner characterized in that the position where the suction pipe side suction flow path joins the common flow path is shifted so as not to face.   2. The vertical cleaner according to claim 1, wherein the position where the suction pipe-side suction flow path merges with the common flow path is downstream of the position where the floor-side suction flow path merges with the common flow path.   The common channel has a check that can be opened downstream between the position where the floor side suction channel joins the common channel and the position where the suction pipe side suction channel joins the common channel. The vertical cleaner according to claim 2, wherein a valve is provided.   The vertical cleaner according to claim 2 or 3, wherein a pocket recessed downward is provided in the common flow path at a merge position where the suction pipe side suction flow path merges with the common flow path. In a vertical type vacuum cleaner that has a floor suction tool below the vacuum cleaner body, a vacuum suction pipe that can be attached to and detached from the vacuum cleaner body, and a handle that can carry the vacuum cleaner body is provided at the top of the vacuum cleaner body ,
The gap suction pipe is detachably arranged in the front center of the vacuum cleaner body, and the handle is formed so as to be hidden by the gap suction pipe when viewed from the front side when the gap suction pipe is attached to the cleaner body. Vertical vacuum cleaner characterized by   The vertical vacuum cleaner according to claim 5, wherein the gap suction pipe is connected to the inside of the cleaner body via a pipe connection hose, and the pipe connection hose extends upward from the rear center of the cleaner body. In a vertical type vacuum cleaner, which has a floor suction tool below the vacuum cleaner body, and a vacuum suction pipe is detachably attached to the vacuum cleaner body, the gap suction pipe is connected to the vacuum cleaner body via a pipe connection hose. ,
The vertical vacuum cleaner, wherein the pipe connection hose is rotatably connected to the gap suction pipe and / or the vacuum cleaner body.

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