JP6883731B2 - Vacuum cleaner - Google Patents

Description

The present invention relates to a vacuum cleaner.

Conventionally, in an electric vacuum cleaner that takes a storage form by engaging an extension pipe or an engaging part provided on a suction tool from above with an engaged part provided on the vacuum cleaner body, the floor surface is hard during the storage. At least two contact surfaces are formed on the vacuum cleaner body to support the vacuum cleaner body, and the contact surface on the suction tool side is separated from the suction tool engaged with the vacuum cleaner body. By providing an inclined surface inclined toward the floor surface on the outer shell of the vacuum cleaner body in between, an engaged portion provided on the vacuum cleaner body even when the contact surface sinks into the floor surface on a soft floor surface. And the engagement of the engaging portion provided on the extension pipe or the suction tool is maintained (see, for example, Patent Document 1).

FIG. 9 is a side view of a main part of the conventional vacuum cleaner described in Patent Document 1 when it is stored.

In FIG. 9, the conventional vacuum cleaner 30 is attached to the vacuum cleaner main body 31, the engaged portion 31a provided on the vacuum cleaner main body 31, the suction tool 32, the extension pipe 33, and the extension pipe 33 or the suction tool 32. It is composed of an engaging portion 33a provided and two contact surfaces 34 and 35 provided on the vacuum cleaner main body 31.

JP-A-2002-209807

However, in the configuration of the conventional vacuum cleaner described in Patent Document 1, the extension pipe 33 or the engaging portion 33a provided on the suction tool 32 is engaged with the engaged portion 31a provided on the vacuum cleaner main body 31 from above. At the time of fitting, if the positions of the engaging portion 33a provided on the extension pipe 33 or the suction tool 32 and the engaged portion 31a of the vacuum cleaner main body 31 are not accurately aligned, the engaging portion 33a and the engaged portion 31a will be engaged. There was a problem that the engagement would be disengaged.

The present invention solves the above-mentioned conventional problems, and easily engages an engaging portion provided in an extension pipe or a suction tool with an engaged portion provided in the vacuum cleaner main body to easily store the vacuum cleaner main body. The purpose is to provide a vacuum cleaner that can work.

In order to solve the above-mentioned conventional problems, the vacuum cleaner of the present invention has a vacuum cleaner main body having an intake frame having an intake port substantially in the center at the front and a built-in electric blower for sucking dust, and the intake. It is provided with a suction tool connected via a hose and an extension pipe communicating with the mouth, and a substantially L-shaped engaging portion provided in the extension pipe or the pipe portion of the suction tool, and is above the intake frame body. A main body handle portion for carrying the vacuum cleaner main body is provided below, and a concave engaged portion that engages with the engaging portion is provided below, and the tip of the vacuum cleaner main body is placed on the floor surface at the tip. The vacuum cleaner main body is placed on the floor surface, provided with an inclined wall formed so as to be inclined downward from the main body handle portion through the outer periphery of the intake frame body toward the inlet of the engaged portion. When the engaging portion is hooked on the inclined wall in this state, the engaging portion moves along the inclined wall and engages with the engaged portion due to the weight of the extension pipe and / and the suction tool. When the vacuum cleaner is stored, the user puts the extension pipe or the substantially L-shaped engaging part of the suction tool on the floor with the rear surface of the vacuum cleaner body placed below the intake frame. It is provided in the extension pipe or the pipe portion of the suction tool along the inclined wall by simply hooking the engaging portion on the inclined wall and releasing the hand without accurately aiming at the engaged portion provided in the above. Since the engaging portion moves and engages with the engaged portion, the inclined wall is inclined downward from the main body handle portion through the outer periphery of the intake frame body toward the entrance of the engaged portion. Since the vacuum cleaner body can easily overcome or avoid obstacles such as steps and pillars, it is possible to provide a vacuum cleaner that is easy to use.

The vacuum cleaner of the present invention is easy to use because the vacuum cleaner body can be miniaturized, the vacuum cleaner body can be easily stored, and obstacles such as steps and pillars can be easily overcome or avoided. A vacuum cleaner can be provided.

Perspective view of the vacuum cleaner in the first embodiment of the present invention when it is stored. Main cross-sectional view of the vacuum cleaner body of the same electric vacuum cleaner An exploded perspective view of the vacuum cleaner body Perspective view from below of the vacuum cleaner body Perspective view of the extension pipe of the vacuum cleaner Partial perspective view from above the vacuum cleaner body AA sectional view of FIG. Perspective view of the vacuum cleaner body and obstacles Side view of the main part when storing a conventional vacuum cleaner

According to the first invention, the vacuum cleaner of the present invention communicates with a vacuum cleaner main body having an intake frame having an intake port substantially in the center at the front and a built-in electric blower for sucking dust, and the intake port. The vacuum cleaner is provided with a suction tool connected via a hose and an extension pipe, and a substantially L-shaped engaging portion provided on the extension pipe or the pipe portion of the suction tool, and above the intake frame body. The main body handle for carrying the main body is provided with a concave engaged part that engages with the engaging part at the bottom, and the tip of the main body handle is placed on the floor with the rear surface of the vacuum cleaner main body placed on the floor. The vacuum cleaner body is provided with an inclined wall formed so as to incline downward toward the inlet of the engaged portion through the outer periphery of the intake frame body, and the rear surface of the vacuum cleaner main body is placed on the floor surface. When the engaging portion is hooked on the inclined wall, the engaging portion moves along the inclined wall and engages with the engaged portion due to the weight of the extension pipe and / and the suction tool. Then, when the vacuum cleaner was stored, the user provided an extension pipe or a substantially L-shaped engaging portion of the suction tool below the intake frame body with the rear surface of the vacuum cleaner body placed on the floor. Even if you do not aim the engaged part accurately, just hook the engaging part on the inclined wall and release your hand, and the engaging part provided on the extension pipe or the pipe part of the suction tool along the inclined wall will be As the vacuum cleaner moves and engages with the engaged portion, the inclined wall inclines downward from the handle of the main body through the outer periphery of the intake frame and toward the entrance of the engaged portion. Can easily get over and avoid obstacles such as steps and pillars, so that it is possible to provide a vacuum cleaner that is easy to use.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to this embodiment.

(Embodiment 1)
FIG. 1 is a perspective view of the vacuum cleaner when the vacuum cleaner is stored according to the first embodiment of the present invention, FIG. 2 is a main sectional view of the vacuum cleaner body of the vacuum cleaner, and FIG. 3 is an exploded perspective view of the vacuum cleaner body. FIG. 4 is a perspective view from below the main body of the vacuum cleaner, FIG. 5 is a perspective view of an extension tube of the vacuum cleaner, FIG. 6 is a perspective view from above the main body of the vacuum cleaner, and FIG. 7 is a perspective view. , AA cross-sectional view of FIG. 1, FIG. 8 is a perspective view of the vacuum cleaner main body and obstacles.

In FIG. 1, the vacuum cleaner 40 according to the present embodiment includes a vacuum cleaner main body 1 incorporating an electric blower 5 (see FIG. 2) that generates suction air, a suction tool 2 that sucks dust on the surface to be cleaned, and a suction tool 2. It is composed of an extension pipe 3 having one end connected to the suction tool 2 and a hose 4 having one end connected to the other end of the extension pipe 3 and the other end connected to the vacuum cleaner main body 1.

The suction tool 2 has a built-in rotary brush (not shown) that scoops up dust on the surface to be cleaned and an electric motor (not shown) that rotationally drives the rotary brush. Further, at the end of the hose 4 on the extension pipe 3 side, a tip pipe 7 having a handle portion 6 to be held when the user cleans is provided, and the extension pipe 3 and the extension pipe 3 are provided via the tip pipe 7. The hose 4 is detachably connected to the hose 4.

Further, a connection pipe 8 is provided at the end of the hose 4 on the vacuum cleaner body 1 side, and the intake port 9 of the vacuum cleaner body 1 and the hose 4 are detachably connected via the connection pipe 8. A main body handle portion 10 for carrying the vacuum cleaner main body 1 is provided above the intake port 9.

Further, as shown in FIG. 1, the rear surface of the vacuum cleaner main body 1 can be grounded to the floor surface, and the suction tool 2, the extension pipe 3, and the hose 4 can be stored in a state of being connected to the vacuum cleaner main body 1.

As shown in FIGS. 2 and 3, the vacuum cleaner main body 1 has a lower frame body 13 having a dust collecting chamber 11 formed in the front and an electric blower 5 and a cord winding device 12 in the rear, and the vacuum cleaner main body 1. It is composed of an upper frame body 14 forming the upper surface of the above frame, and the lower frame body 13 and the upper frame body 14 are connected by screws (not shown) or the like.

Further, casters 15 for traveling are rotatably attached to the front lower surface of the lower frame body 13, and wheels 16 are rotatably attached to both rear surfaces thereof. A check valve 17 made of an elastic material is attached to the front end of the dust collecting chamber 11. Further, an intake frame body 18 is attached to the front portion of the vacuum cleaner main body 1 so as to cover the check valve 17.

In the present embodiment, the intake port 9 is provided substantially in the center of the intake frame 18, and the main body handle portion 10 is provided above. Further, the rear part of the vacuum cleaner main body 1 is configured with an exhaust port 19 for exhausting the exhaust gas discharged by the electric blower 5 after passing through the inside of the cord winding device 12.

Further, the upper part of the dust collecting chamber 11 is in an open state, and the packing 20 is provided on the entire circumference of the upper end of the open portion. Further, the dust collecting bag 21 is detachably attached while facing the intake port 9 of the dust collecting chamber 11.

The lid 22 rotatably provided on the vacuum cleaner main body 1 with the rear portion as a fulcrum covers the upper opening 11a of the dust collecting chamber 11. When the lid 22 is in the closed state and the flat surface is substantially the same as the packing 20 and the lid 22 is in the closed state, the lid 22 can be pressure-welded to the packing 20 to perform airtightening.

Further, a plurality of legs 13a, legs 14a, and legs 14b are provided behind the lower frame body 13 and the upper frame body 14 for storing the vacuum cleaner main body 1 upside down on the floor surface.

As shown in FIGS. 4 and 5, a substantially concave engaged portion 23 is provided below the intake frame body 18. Further, with the rear surface of the vacuum cleaner main body 1 placed on the floor surface, the tip 24a inclines downward from the main body handle portion 10 through the outer circumference of the intake frame body 18 toward the inlet of the engaged portion 23. The inclined wall 24 formed is provided symmetrically. In the present embodiment, the inclined wall 24 is provided around the entire circumference integrally with the main body handle portion 10.

The extension pipe 3 has a substantially L-shaped engaging portion 26 fixed to the outer surface of the pipe portion 25 so as to fit into the substantially concave engaged portion 23 of the intake frame body 18, and the engaging portion 26 A hook portion 27 is provided at the tip of the hook, and an inclined surface 28 is provided at the base.

The operation and operation of the vacuum cleaner according to the present embodiment configured as described above will be described below.

As shown in FIGS. 6 and 7, with the rear surface of the vacuum cleaner main body 1 grounded to the floor surface, the inclined surface 28 of the extension pipe 3 is brought into contact with the tip 24a of the inclined wall 24 of the intake frame 18. When the user releases the hand, the hooking portion 27 of the extension pipe 3 is caught on the tip 24a of the inclined wall 24, and the hooking portion 27 of the extension pipe 3 is hooked on the tip 24a of the inclined wall 24 due to the weight of the extension pipe 3 and the suction tool 2. When it slides down along the line and reaches the entrance 23a of the engaged portion 23, it is in the mounted state.

That is, it is not necessary for the user to align the engaging portion 26 of the extension pipe 3 with the engaged portion 23 of the intake frame body 18, and the engaged portion 23 of the intake frame body 18 is formed over a wide range. It can be mounted from either the left or right inclined wall 24.

In addition, as shown in FIG. 8, a step 29 is formed by an inclined wall 24 formed by inclining downward from the main body handle portion 10 through the outer circumference of the intake frame body 18 toward the inlet 23a of the engaged portion 23. It is possible to easily overcome or avoid obstacles such as the pillar 29a and the pillar 29a.

Further, the inclined wall 24 can be configured within the outer range of the intake frame body 18, and the size of the vacuum cleaner main body 1 can be reduced without increasing the size.

Needless to say, the same effect can be obtained even when the suction tool 2 and the tip pipe 7 of the hose 4 are connected to the extension pipe 3.

In the above embodiment, the pipe portion 25 of the extension pipe 3 is provided with a substantially L-shaped engaging portion 26, but the pipe portion (not shown) of the suction tool 2 is provided with a substantially L-shaped engaging portion 26. Needless to say, the same effect can be obtained even if it is provided.

As described above, the vacuum cleaner according to the present invention can easily carry out the work of attaching the extension pipe to the vacuum cleaner main body and storing the vacuum cleaner main body, and further, the vacuum cleaner main body can be miniaturized. , Applicable to various vacuum cleaners for home and business use.

1 Vacuum cleaner body 2 Suction tool 3 Extension pipe 4 Hose 5 Electric blower 6 Handle part 7 Tip pipe 8 Connection pipe 9 Intake port 10 Main body handle part 11 Dust collection room 11a Upper opening 12 Cord winding device 13 Lower frame body 13a, 14a, 14b Leg 14 Upper frame body 15 Caster 16 Wheel 17 Check valve 18 Intake frame body 19 Exhaust port 20 Packing 21 Dust collection bag 22 Lid body 23 Engagement part 23a Inlet 24 Inclined wall 24a Tip 25 Pipe part 26 Engagement Part 27 Hooking part 28 Inclined surface 29 Step 29a Pillar 40 Vacuum cleaner

Claims (1)

A vacuum cleaner body having an intake frame body having an intake port in the center at the front and a built-in electric blower for sucking dust, and a suction tool connected via a hose and an extension pipe communicating with the intake port. And, a substantially L-shaped engaging portion provided in the extension pipe or the pipe portion of the suction tool is provided, and a main body handle portion for carrying the vacuum cleaner main body is provided above the intake frame body, and a main body handle portion for carrying the vacuum cleaner main body is provided below. A concave engaged portion that engages with the joint portion is provided, and the tip of the vacuum cleaner main body is placed on the floor surface, and the tip of the vacuum cleaner main body passes through the outer periphery of the intake frame body and is engaged. It is provided with an inclined wall formed so as to be inclined downward toward the entrance of the portion, and when the engaging portion is hooked on the inclined wall with the rear surface of the vacuum cleaner main body placed on the floor surface, the extension pipe or the extension pipe or / And the vacuum cleaner characterized in that the engaging portion moves along the inclined wall and engages with the engaged portion by the weight of the suction tool.

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