JP2000070188A - Electric vacuum cleaner - Google Patents

Abstract

(57) [Summary] [Problem] To provide an easy-to-use vacuum cleaner that can store accessories such as a gap nozzle and a shelf nozzle in an orderly and compact manner, and can easily disengage and detach accessories in a comfortable posture even during cleaning. I do. A handle (52) is provided at an upper portion of a bent pipe (5) which forms a part of an air flow path by connecting an extension pipe (6) and a hose (2), and a ventilation path portion immediately below the bent pipe (5). The accessory storage device 8 in which the gap nozzle 9 and the shelf nozzle 10 are detachably attached to the locking portion 55 provided on the 51 is detachably attached by a tubular detaching portion 81.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner, and more particularly to a method for storing accessories such as a clearance nozzle.

[0002]

2. Description of the Related Art As a conventional technique, Japanese Utility Model Application Laid-Open No.
There is a vacuum cleaner disclosed in Japanese Patent Publication No. 60-200.

FIG. 9 is an external perspective view of the conventional vacuum cleaner. An electric blower (not shown) is provided behind the inside of the cleaner body 1. In addition, a dust collection chamber (not shown) is formed in the front inside the cleaner body 1.
On the front surface of the cleaner body 1, an open circular suction port 3 is provided, and the suction port 3 is an entrance to the dust collection chamber.

[0004] At one end of the flexible connection hose 2, a cylindrical main body connection pipe 4 is provided, and the main body connection pipe 4 can be detachably fitted and connected to the suction port 3. . The other end of the connection hose 2 is fitted and connected to the bent pipe 5.

[0005] The bent pipe 5 has a cylindrical shape and is bent in a V-shape at a substantially central portion thereof, and a handle portion 5a is formed on the connection hose 2 side from the bent portion. Further, one end of the extension pipe 6 is detachably fitted and connected to the bent pipe 5, and the other end is detachably fitted and connected to a pipe 7 a arranged at the rear of the floor nozzle 7. Therefore, the floor nozzle 7 passes through the extension pipe 6, the bent pipe 5, and the connection hose 2 in order,
One penetrating ventilation channel is formed up to the suction port 3.

FIG. 10 is an external perspective view of the accessory storage device of the conventional vacuum cleaner. As shown in FIG. 10, a cylindrical extension pipe engaging / disengaging section 101 having an opening 105 is provided at the center of the accessory storage device 100.
01, the accessory storage device 1
00 can be detachably attached to the extension tube 6. On the outer peripheral side surface 104 of the extension pipe engaging / disengaging portion 101, three cylindrical accessory engaging / disengaging portions 102 are provided in three directions so as to divide the outer periphery of the extension pipe engaging / disengaging portion into three equal parts.

[0007] In addition, the accessory engagement / disengagement section 102 described above includes:
An opening 105 is provided on a side surface opposite to the extension pipe engaging / disengaging portion 101. The accessory engaging / disengaging portion 102 is adapted to be capable of engaging and disengaging a gap nozzle 9 and a shelf nozzle 10 which are accessories of the nozzle, for example, to clean a narrow portion such as a gap between a closet and a wall. At this time, the gap nozzle 9 can be detached from the accessory storage device 100 and used instead of the floor nozzle 7 by connecting to the extension pipe 6. An attachment holder 13 is provided at the rear of the upper surface of the cleaner main body 1. The accessory holder 100 is removed from the extension tube 6 as necessary, and the accessory holder 10 is attached to the attachment holder 13.
0 can be fitted and fitted as shown in FIG.

When the electric blower is driven in the above-described configuration, the air containing dust is sucked into the floor nozzle 7, and the air containing the dust passes through the extension pipe 6, the bent pipe 5, and the connection hose 2. Passing in order, it enters the dust collection chamber from the suction port 3. Then, the sucked air passes through the dust collection chamber and is discharged to the outside of the cleaner main body 1 from the rear portion of the cleaner main body 1 having the electric blower. However, the dust cannot pass through the dust collection chamber and is collected. Accumulated in the dust chamber and discarded.

[0009]

However, in the above-mentioned conventional vacuum cleaner, the accessory storage tool 100 is locked to the extension pipe 6 in front of the handle 5a of the bent pipe 5, so that the clearance nozzle 9 is not provided. When exchanging accessories such as the shelf nozzle 10 and the like, it is necessary to reach for the accessory storage device while holding the handle 5a to disengage the accessories, resulting in poor workability. In addition, during cleaning, the gravity of the accessory storage device 100 and the centrifugal force acting when the extension tube 6 is moved become larger than the maximum frictional force of the locking portion between the accessory storage device 100 and the extension tube 6, and In some cases, the storage device 100 may have moved below the extension tube.

Further, when the accessory is disengaged from the accessory storage device 100, a force greater than the maximum frictional force between the accessory storage device 100 and the locking portion of the extension tube 6 is applied, and the accessory storage device 1
00 was moved below the extension tube 6, and the accessory storage tool 100 was rotated on the periphery of the side surface of the extension tube 6. In addition, since the holding portion for holding the accessory storage tool 100 is not provided, it is difficult to hold the accessory storage tool 100 when the accessory is disengaged, and an extra force is applied. The part is deformed,
There was a drawback that accessories could not be disengaged from the accessory storage device.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object that accessories such as gap nozzles and shelf nozzles can be compactly and securely stored in the same position without any trouble, and easy to operate even during cleaning work. An object of the present invention is to provide an easy-to-use vacuum cleaner capable of easily attaching and detaching these accessories in a posture.

[0012]

According to one aspect of the present invention, there is provided a cleaner body, a hose connected to the cleaner body, an extension pipe, the hose and the extension pipe. And a bent pipe that forms a part of the dust ventilation path by connecting the bent pipe with the handle that branches off from the part that forms the dust ventilation path. Further, an accessory storage device for attaching a cleaning accessory is provided.

According to a second aspect of the present invention, in the vacuum cleaner according to the first aspect, the handle is located above the accessory storage tool.

According to a third aspect of the present invention, in the vacuum cleaner of the first or second aspect, the bent pipe is
It has a locking portion, and the accessory storage device is detachably attached to the locking portion.

According to a fourth aspect of the present invention, in the vacuum cleaner according to the third aspect, the accessory storage device is rotated and moved by an uneven fitting mechanism provided between the accessory storage device and the locking portion. It is characterized by being blocked.

Further, the invention described in claim 5 is the same as that in claim 1.
4. In the vacuum cleaner according to any one of the items 4, the accessory storage tool is a cylindrical body having a hollow inside, and is provided with two accessory engagement / disengagement portions by cutting out two places on an outer peripheral portion. The article engaging and disengaging parts are arranged substantially in parallel.

Further, the invention described in claim 6 provides the invention according to claims 3 to
5. In the vacuum cleaner according to any one of 5, the gripping force of the first engagement / disengagement portion provided on the accessory storage device engaged / disengaged with the locking portion is a second and third engagement / disengagement accessory. This is a feature that is set so as to be larger than the gripping force of the engagement / disengagement portion.

Further, the invention described in claim 7 provides the invention according to claims 3 to
6. The vacuum cleaner according to claim 6, wherein a finger holding concave portion is provided in the accessory storage device for picking and holding the accessory storage device with a finger.

Further, the invention described in claim 8 provides the invention according to claims 3 to
7. The vacuum cleaner according to any one of 7, wherein the accessory storage device is provided for hanging on a wall, a hook portion is provided inside an outer peripheral portion of the accessory storage device, and the first engaging / disengaging portion is used for shelf storage. And a plane including both end portions is substantially horizontal.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the vacuum cleaner of the present invention will be described with reference to the drawings. In the following description, portions corresponding to the above-described conventional vacuum cleaners (FIGS. 9 to 11) are denoted by the same reference numerals, and description thereof is omitted.

FIG. 1 is an external perspective view of a vacuum cleaner showing one embodiment of the present invention. Behind the interior of the cleaner body 1,
An electric blower (not shown) is provided, and a dust collection chamber (not shown) is provided in front of the inside of the cleaner body 1. At the front of the upper surface of the cleaner body 1, there is provided a suction port 3 which is opened in a substantially circular shape, and the suction port 3 is connected to the upper part of the dust collection chamber. Has become.

Reference numeral 2 denotes a flexible connection hose. One end of the connection hose is provided with a main body connection pipe 4, and the main body connection pipe 4 is detachably fitted and connected to the suction port 3. The other end of the connection hose 2 is fitted and connected to the hose connection portion 51b of the bent pipe 5.

By fitting and connecting the extension pipe connecting portion 51a of the bent pipe 5 to the extension pipe 6, the bent pipe 5 can be detachably connected to the extension pipe 6. Bent pipe 5
Has a cylindrical air passage portion 51 curved near the branch portion 53.
Is provided, and the extension pipe 6 is
And the connection hose 2 are communicated.

Further, the bent pipe 5 has a branch 53
, A handle 52 branched upward is provided. Incidentally, 52a
Is a cover body fitted on the upper surface of the handle 52 with claws or the like.

The extension tube 6 comprises two cylindrical upper tubes 6a and a lower tube 6b. When the vacuum cleaner is not used, the handle 1a of the main body 1 can be set up with the top face up, and a hook 6c provided at a lower portion of the extension tube 6 can be hooked into a concave portion (not shown) provided on the bottom face of the main body 1 for storage. .
Also, the bent pipe 5 and the floor nozzle 7 connected to both ends of the extension pipe 6 are removed, the lower pipe 6b is stored in the upper pipe 6a, and the extension pipe 6 is stored in a box or the like in a compact state. I can put it.

When the vacuum cleaner is used, the lower pipe 6b is pulled out from the upper pipe 6a, and in the most pulled state, the connection between the lower pipe 6b and the upper pipe 6a is locked, so that it is sufficiently long. It can be used as a single long tube, and the user can hold the handle 52 upright and clean it, without having to bend down or take a painful posture. The floor nozzle 7 is a nozzle for cleaning a tatami surface, a floor surface, or the like, and can be removed from the extension pipe 6 or the bent pipe 5 and replaced with the gap nozzle 9 or the shelf nozzle 10 as necessary.

FIG. 2 shows the bent pipe 5 and the accessory storage 8
FIG. 3 is an external perspective view showing a state in which is attached, and FIG. In this figure, hatching indicating a cross section is omitted from the ventilation path section 51.

As shown in FIG. 2, at a portion between the branch portion 53 of the bent pipe 5 and the hose connection portion 51b, an accessory storage device locking portion 55 for mounting the accessory storage device 8 is provided. I have. A protruding protrusion 54 is provided below the accessory storage device locking portion 55.

As shown in FIG. 3, a concave portion 8c into which the convex portion 54 is fitted is provided at the center of the inner surface of the first engaging / disengaging portion 81 of the accessory storage device 8. Note that the concave portion 8c is provided with the convex portion 54.
And it may be a simple through-hole as shown in the figure. Further, in order to easily fit the convex portion 54 into the concave portion 8c, the convex portion 54 is formed in a tapered boss shape. Then, the accessory storage device locking portion 55 of the bent pipe 5
By attaching the first engaging / disengaging portion 81 of the accessory storage device 8 to the convex portion 54 and the concave portion 8c, the attachment of the accessory storage device 8 to the bent pipe 5 is completed. This relationship is shown in FIG.

Therefore, the accessory storage tool 8 is bent at the pipe 5
In the attached state, the inner surface of the concave portion 8c of the accessory storage device 8 is bent by the locking portion 55 of the pipe 5 even if the accessory storage device 8 is bent and receives a force in the outer circumferential direction or the longitudinal direction of the pipe 5. By contacting the side surface of the provided convex portion 54, the accessory storage portion 8 does not rotate around the bent pipe 5 or move in the longitudinal direction of the bent pipe 5.

FIG. 4 is an external perspective view of the accessory storage device 8, and FIG. 5 is a rear view of the accessory storage device 8.

As shown in FIG. 4, the accessory storage device 8 includes
A first engaging and disengaging portion 81 for engaging and disengaging the bent pipe 5 is formed by cutting out a cylindrical shape. The first engagement / disengagement portion 81 is positioned such that a second engagement / disengagement portion 82 for engaging / disengaging the gap nozzle 9 back to back and a third engagement / disengagement portion for engaging / disengaging the shelf nozzle 10 are arranged in parallel. , And each is formed by cutting out in a cylindrical shape. With the accessory storage device 8 attached to the bent pipe 5, the top surface 86 facing the extension pipe 6 is a flat surface, and the outer peripheral portion 84 is provided with a finger contact recess 8a. As shown in FIG. 5, the accessory storage device 8
The opposite side of the top surface 86 is released, and the inside is formed in a substantially hollow cylindrical shape.

As shown in FIG. 6, the gap nozzle 9 has a cylindrical suction pipe 9a and a cylindrical engagement / disconnection pipe 9a.
b. When the gap nozzle 9 is attached to the second engaging / disengaging portion 82 of the accessory storage device 8 in FIG. 4, the suction pipe 9a is inserted into the engaging / disengaging portion pipe 9b as shown by an arrow in FIG. The tip of the gap nozzle 9 bends during cleaning so that the tip of the gap nozzle 9 contacts the pipe 5 and does not hinder the cleaning operation, and the tip of the gap nozzle 9 is not deformed by the contact. .

[0003] When the gap nozzle 9 is used, the gap nozzle 9 is detached from the second engagement / disengagement portion 82 to extend the extension pipe 6.
By connecting to the tip of the floor nozzle 7 in place of the floor nozzle 7, it is possible to clean the interior of a narrow space such as a gap between a closet and a wall.

Next, the shelf nozzle 10 has a configuration in which a cylindrical pipe 10a serving as an air vent and a brush 10b for dust removal are attached to the end of the pipe. Is removably attached to the third engagement / disengagement portion 83 of the first embodiment. When the shelf nozzle 10 is used, the shelf nozzle 10 is removed from the third engaging / disengaging portion 83 of the accessory storage tool 8 and attached to the extension pipe 6 instead of the floor nozzle 7 as in the case of the gap nozzle 9 described above. Thus, for example, a fine portion such as a gap between tableware on the shelf can be cleaned while brushing out dust with a brush.

The accessory storage device 8 described above is formed of an elastic material, and the three engaging and disengaging portions have strength and resilience. The gripping force of each engagement / disengagement portion of the accessory storage device 8 depends on the width of the cutout (A in FIG. 4), the inner diameter of the cylinder (B in FIG. 4), and the length of the cylinder (C in FIG. 4). Adjusted by changing. By appropriately adjusting these dimensions to provide an appropriate gripping force, the gap nozzle 9 and the shelf nozzle 10 can be moved to the second engagement / disengagement portion 82 and the third engagement / disengagement portion 83, respectively.
The accessory storage device 8 is inserted and pulled out from the top surface 86 side of the accessory storage device 8 to be disengaged from the opening 85 side of the accessory storage device 8 (that is, from the direction perpendicular to the engagement and disengagement portions 82 and 83). It can be pinched and detached in the vertical direction.

The first engaging / disengaging portion 81 of the accessory storage tool 8 is also provided.
The force for gripping the bent pipe 5 is attached such that the second engagement / disengagement portion 82 is stronger than the force for gripping the gap nozzle 9 and the third engagement / disengagement portion 83 is stronger than the force for gripping the shelf nozzle 10. The article storage tool 8 is configured. Therefore, when removing the gap nozzle 9 and the shelf nozzle 10 in a state where the accessory storage tool 8 is bent and attached to the locking portion 55 of the pipe 5, even if the accessory storage tool 8 is not pressed by hand, Therefore, the accessory storage device 8 does not bend from the pipe 5 and the accessory can be securely removed from the accessory storage device 8.

The tip of the extension pipe 6 and the extension pipe connecting portion 51a of the bent pipe 5 have the same dimensions. Therefore,
With the extension pipe 6 removed from the bent pipe 5, the gap nozzle 9 and the shelf nozzle 10 can be directly fitted and connected to the bent pipe 5. Direct bend pipe 5
With the gap nozzle 9 and shelf nozzle 10 attached to
Since the gap nozzle 9 and the shelf nozzle 10 are located near the handle 52, workability in cleaning a narrow space or a small portion is improved.

Further, as shown in FIG.
A groove-shaped finger pad is formed at two positions on the outer peripheral portion 84 of the groove. The two finger contact concave portions 8a are provided at substantially equal distances from the distal end portions 81a of the first engaging / disengaging portion 81, respectively. Moreover, a plurality of straight knurls 8b are applied to the finger contact recess 8a from the top surface 86 to the back surface 89 for slip prevention.

Since the accessory storage unit 8 is provided with the finger contact recess 8a, the accessory storage unit 8 is attached to the bent pipe 5 by removing the finger contact recess 8a with a finger or removed from the bent pipe 5. In this case, the knurling 8b of the finger contact concave portion 8a is non-slip, so that the accessory storage device 8 can be securely attached and detached without slipping the hand, and furthermore, an extra force is applied to the engaging and disengaging portion. Does not deform.

On the inner surface of the outer peripheral portion 84 of the accessory storage device 8, there are provided two ring-shaped hook portions 87 near the finger contact recess 8a as shown in FIG.

The wall-mounted accessory 11 shown in FIG. 7 is formed by bending a rod-shaped quadrangular prism at two places to form a U-shape. The wall-mounted accessory 11 is attached to the wall with screws 11a. Can be fixed to the wall. Therefore, FIG.
As shown by the arrow W, the accessory storage device 8 can be hung on the wall by inserting the hook portion 87 for accessory storage from the tip of the wall-mounted accessory 11.

As a result, for example, the accessory storage device 8 removed from the bent pipe 5 when cleaning the floor can be hung on the wall without being placed on the floor as a cleaning place, so that the cleaning work is not hindered. Therefore, a convenient method can be selected according to the use condition of the vacuum cleaner so as not to cause the problem.

Further, as shown in FIG. 8, the accessory storage device 8 has the first engagement / disengagement portion 81 downward so that the accessory storage device 8 can be stably placed on a shelf or the like with the accessory attached. Of the engaging and disengaging portion 81 is substantially horizontal. In such a state, the accessory storage device 8
Since the gap nozzle 9 and the shelf nozzle 10 attached to the accessories are located at the upper part of the accessory storage device 8, the accessories can be easily removed from the accessory storage device 8, and the workability is improved.

With the above configuration, when the electric blower is driven, the air containing the dust is sucked into the floor nozzle 7, and the air containing the dust passes through the extension pipe 6, the bent pipe 5, and the connection hose 2. Passing in order, it enters the dust collection chamber from the suction port 3. Then, the sucked air passes through the dust collection chamber and is discharged to the outside of the cleaner main body 1 from the rear portion of the cleaner main body 1 having the electric blower. However, the dust cannot pass through the dust collection chamber and is collected. Accumulated in the dust chamber and discarded. In addition, depending on the situation of the place to be cleaned, the gap nozzle 9 and the shelf nozzle 10 which are accessories can be used instead of the floor nozzle 7.

[0046]

Since the present invention is constructed as described above, according to the first aspect of the present invention, a handle is provided on a bent pipe, and an accessory storage device is arranged near the handle, so that a gap is provided. When the accessory such as the nozzle or the shelf nozzle is disengaged from the accessory storage device, the accessory can be easily accessed, and can be performed in an easy posture and with relatively small force.

According to the second aspect of the present invention, since the handle is provided above the accessory storage device, the accessory storage device does not hinder the user even when cleaning is performed with the handle.

According to the third aspect of the present invention, since the accessory storage device is detachably attached to the curved pipe, when the cleaning accessories such as the gap nozzle and the shelf nozzle are not used, The accessory storage device can be bent and removed from the pipe to be stored in a predetermined place.

According to the fourth aspect of the present invention, since the accessory storage device and the locking portion arranged on the bent pipe are fixed by the concave / convex fitting mechanism, the accessory storage portion is formed on the bent pipe. In the attached state, the accessory storage device does not rotate the outer circumference of the bent pipe or move in the longitudinal direction of the bent pipe, and disengages accessories such as gap nozzles from the accessory storage device Work becomes easier.

Further, according to the fifth aspect of the present invention, the two accessory parts for attaching and detaching cleaning accessories are provided adjacent to the accessory storage device, so that accessories such as gap nozzles and shelf nozzles are provided. Can be stored compactly close to each other, and does not interfere with cleaning work.

According to the sixth aspect of the present invention, the force by which the first engaging and disengaging portion of the accessory storage device bends and holds the engaging portion of the pipe is that the second and third engaging and disengaging portions are used for cleaning. The accessories are designed to be stronger than the gripping force, so when the accessories are bent and attached to the pipe, when removing the accessories from the accessories, do not hold the accessories by hand. In addition, the accessory storage device does not bend first and does not come off the pipe, and the accessory can be reliably removed from the accessory storage device.

According to the seventh aspect of the present invention, since the accessory storage device is provided with the finger contact concave portion, when the accessory storage device is bent and disengaged from the pipe, the finger contact concave portion 8a is provided.
Is non-slip, so that the accessory storage device 8 can be easily disengaged without slipping the hand, and the engaging and disengaging portion is not deformed by applying extra force.

According to the present invention, the accessory storage device is provided with means for hanging the accessory storage device on a wall or placing it on a shelf. You can select a convenient method.

[Brief description of the drawings]

FIG. 1 is an external perspective view of an embodiment of a vacuum cleaner according to the present invention.

FIG. 2 is an external perspective view in a state where an accessory storage device is attached to a bent pipe.

FIG. 3 is a sectional view taken along line AA in FIG. 2;

FIG. 4 is an external perspective view of the accessory storage device.

FIG. 5 is a rear view of the accessory storage device.

FIG. 6 is an external view showing a state in which a gap nozzle is expanded and contracted.

FIG. 7 is an external view showing a state in which the accessory storage tool is hung on a wall-mounted accessory.

FIG. 8 is an external elevational view showing a state where the accessory storage device is placed on a shelf.

FIG. 9 is an external perspective view of a conventional example.

FIG. 10 is an external perspective view of a conventional accessory storage device.

FIG. 11 is an external perspective view showing a state in which an accessory storage device is attached to an attachment holding portion on a rear upper surface of a cleaner body in a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Hose 3 Suction port 5 Bent pipe 6 Extension pipe 7 Floor nozzle 8 Accessory storage part 8a Finger contact concave part 8b Knurling 8c Concave part 9 Gap nozzle 10 Shelf nozzle 11 Wall mounting accessory 52 Handle 54 Convex part 81 First engaging / disengaging portion 82 Second engaging / disengaging portion 83 Third engaging / disengaging portion 85 Opening 87 Hook

Claims (8)

[Claims] 1. A cleaner body, a hose connected to the cleaner body, an extension pipe, and a bent pipe connecting the hose and the extension pipe to form a part of a dust passage. In the vacuum cleaner, the bent pipe has a handle branched from a portion forming the dust ventilation path, and an accessory storage device for attaching a cleaning accessory is provided near the handle. Vacuum cleaner. 2. The vacuum cleaner according to claim 1, wherein the handle is located above the accessory storage device. 3. The bending pipe according to claim 1, wherein the bent pipe has a locking portion, and the accessory storage device is detachably attached to the locking portion. Vacuum cleaner. 4. The device according to claim 3, wherein the accessory storage device is prevented from rotating and moving by an uneven fitting mechanism provided between the accessory storage device and the locking portion. Vacuum cleaner. 5. The accessory storage tool is a cylindrical body having a hollow inside, two outer peripheral portions being cut out to provide two accessory engaging and disengaging portions, and these accessory engaging and disengaging portions are arranged substantially in parallel. The vacuum cleaner according to any one of claims 1 to 4, wherein the vacuum cleaner is arranged in a vacuum. 6. A gripping force of a first engaging and disengaging portion provided on the accessory storage device for engaging and disengaging the locking portion is greater than a gripping force of the second and third engaging and disengaging portions for engaging and disengaging an accessory. The vacuum cleaner according to any one of claims 3 to 5, wherein the vacuum cleaner is set to be large. 7. The accessory storage device according to claim 3, wherein a finger holding concave portion is provided for picking and holding the accessory with the finger.
The vacuum cleaner according to any one of claims 1 to 6. 8. A plane including both end portions of the first engaging / disengaging portion for hanging the accessory storage device on a wall inside the accessory storage device and providing a hook portion inside an outer peripheral portion of the accessory storage device. The vacuum cleaner according to any one of claims 3 to 7, wherein the vacuum cleaner is configured to be substantially horizontal.