JPS6334610Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention has a suction pump inside, a bellows hose is connected to the suction pump, and cleaning is performed using a suction tool attached to the tip of the bellows hose. This invention relates to a bellows hose feeding device for a vacuum cleaner that is attached to a vacuum cleaner.

[Conventional technology]

A conventional vacuum cleaner has a suction pump driven by an electric motor inside the vacuum cleaner body and a dust collection section that communicates with the suction pump, and the suction section is detachably attached to the tip of the dust collection section. A bellows hose attached to the bellows hose is connected to the vacuum cleaner, and cleaning is performed while moving the vacuum cleaner body and operating a suction tool attached to the end of the bellows hose.

When the vacuum cleaner is not used, the bellows hose and suction tool attached to the vacuum cleaner body must be removed, the bellows hose folded and stored in the storage box attached to the vacuum cleaner body, which is extremely difficult. It was time consuming.

Various applications have been filed in order to eliminate such troubles, and in particular, the methods disclosed in Japanese Patent Application Laid-Open No. 19472-1982, Japanese Patent Application Laid-Open No. 70737-1982, and Japanese Patent Application Laid-Open No. 27481-1981 are In a vacuum cleaner having a hose storage part for storing a bellows hose and a bellows hose draw-out hole communicating with the hose storage part, the hose engages with the outer bellows part of the bellows hose and is driven by a drive source. An application has been made in which a roller is provided and the bellows hose is taken in and out through the bellows hose pull-out hole by driving the roller.

[Problem that the invention attempts to solve]

However, in the above-mentioned Japanese Patent Laid-Open Publication Nos. 52-19472, 56-70737 and 51-27481, the bellows hose is pulled in and out by rollers, so if the bellows hose gets caught on some obstacle, the rollers will spin freely and the purpose cannot be achieved.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a bellows hose feeding device for a vacuum cleaner that can automatically and reliably take in and take out the bellows hose.

[Means for solving problems]

A bellows hose feeding device for a vacuum cleaner according to the present invention in accordance with the above object is provided with a hose storage section for storing a flexible bellows hose in the vacuum cleaner body, and a bellows hose draw-out hole communicating with the hose storage section, In addition, a toothed belt whose teeth mesh with the outer bellows portion of the bellows hose at a plurality of locations and a motor for driving the toothed belt are provided near the bellows hose pull-out hole, and a motor for driving the toothed belt is provided to control the insertion and removal of the bellows hose. The structure is such that it can be reliably carried out by driving the attached belt.

Here, the toothed belt may be one that is always engaged with the bellows hose and is transported by the toothed belt; The present invention is also applicable to those equipped with a release device for releasing the engaged state.

Further, the toothed belt may be engaged with the bellows hose from one side, but two toothed belts may be provided and attached so as to sandwich the bellows hose.

[Effect]

The bellows hose feeding device for a vacuum cleaner according to the present invention includes:
A toothed belt whose teeth mesh with the outer bellows portion of the bellows hose at multiple points is provided near the bellows hose draw-out hole of the vacuum cleaner body, and the toothed belt is driven by a motor. By driving the motor, the bellows hose can be taken in and out.

On the other hand, since the vacuum cleaner main body is provided with a hose storage section for storing the bellows hose fed by the toothed belt, the hose storage section has an effect that the bellows hose can be stored here.

In this case, the bellows hose may be compressed and stored, or a flexible bellows hose may be pressed and bent to be stored in a hose storage section having an appropriate width.

〔Example〕

Next, an embodiment embodying the present invention will be described with reference to the attached drawings to provide an understanding of the present invention.

Here, FIG. 1 is a side sectional view of a vacuum cleaner to which a bellows hose feeding device according to an embodiment of the present invention is applied, and FIG. 2 is an overall schematic diagram of a vacuum cleaner to which a bellows hose feeding device according to the above embodiment is applied. The configuration diagram and FIG. 3 are cross-sectional views showing the meshing state of the bellows hose and the toothed belt.

As shown in FIGS. 1 and 2, a bellows hose feeding device 10 according to an embodiment of the present invention includes a hose storage section 12 provided in a vacuum cleaner body 11, and a bellows hose feeding device 10 that is connected to the hose storage section 12. Hose extraction hole 13
The toothed belt 14 is provided in the vicinity of the toothed belt 14, an electric motor 15 for driving the toothed belt 14, and a bellows hose 16 that passes through the bellows hose draw-out hole 13 and meshes with the toothed belt 14. below,
These will be explained in detail.

The bellows hose 16 is constructed separately from the vacuum cleaner main body 11, and has a hose start end locking device 17 and a hose termination device 18 fixed to both ends thereof.
The hose starting end stopper 17 has a cylindrical shape and is adapted to be connected to an attachment of a cleaning tool (not shown). On the other hand, the hose end stopper 18 has a blind flange 19 attached to its tip and a plurality of holes 20 formed around the circumference for discharging dust that has passed through the bellows hose 16, allowing the bellows hose 16 to come out as much as possible. In this state, the vacuum cleaner body 11 is fitted into an engagement hole 21 provided in the cleaner body 11, so that the dust passing through the bellows hose 16 is discharged from the hole 20 and collected in the dust collection section 22.

A toothed belt 14 whose teeth mesh with the bellows hose 16 at a plurality of locations is provided near the hose pull-out hole 13 . This toothed belt 14 has an endless structure, and pulleys 23 and 24 are provided therein to hold the toothed belt 14 in a position where it is engaged with the bellows hose 16.

An electric motor (including a deceleration motor) 15 is connected to the pulley 24, and by rotating the electric motor 15, the toothed belt 14 is rotated to reliably feed the bellows hose 16. There is.

The teeth 25 of this toothed belt 14 are arcuate as shown in FIG. 3, and are designed to fully mesh with the peaks and valleys of the circular cross section of the bellows hose 16, and also on the inside. Predetermined unevenness is formed,
It meshes with the pulley 24 on which the meshing unevenness is formed, and transmits the rotational power of the electric motor 15 to the toothed belt 14 without slipping.

The dust collection section 22 is configured with a breathable garbage bag installed inside, and the outside thereof is connected to a suction pump 26 to collect dust and other air. is suction pump 26
It is designed to be released to the outside through the

Next, the operation of the bellows hose feeding device 10 of the vacuum cleaner according to the above embodiment will be explained. First, when the bellows hose 16 is stored after cleaning,
The electric motor 15 is rotated counterclockwise in FIG. 1 to rotate the pulley 24. As a result, the toothed belt 14 rotates counterclockwise to send the bellows hose 16 toward the vacuum cleaner main body 11, and the bellows hose 16 is connected to the end of the bellows hose pull-out hole 13 so that the hose starting end stopper 17 is connected to the end of the bellows hose pull-out hole 13. A limit switch (not shown) detects this contact and stops the rotation of the electric motor 15.

On the other hand, the bellows hose 16 housed in the vacuum cleaner main body 11 is gradually housed in the hose storage section 12 from its hose end stopper 17 .

Next, when it is desired to use the vacuum cleaner, the bellows hose 16 must be taken out, but this is done by reversing the electric motor 15. In this case, the hose end stopper 18 fits into the engagement hole 21 provided in the cleaner body 11, and this is detected by a limit switch (not shown) to stop the rotation of the electric motor 15.

After attaching the necessary attachments of the cleaning equipment, the suction pump 26 is rotated to perform cleaning, and the collected dust passes through the bellows hose 16 and passes through the plurality of hose end locks 18. The dust is sent to the dust collecting section 22 through the hole 20 .

In the above embodiment, the toothed belt 14 is disposed in a fixed state, but it is also possible to move the toothed belt to the upper part. It is also possible to draw out the

Further, in the above embodiment, the bellows hose 16
The dust passing through the hose is discharged from a hole 20 provided around the hose end stopper 18, but an opening flange having the same diameter as the bellows hose is attached to the end of the bellows hose, and the opening flange is attached to the end of the bellows hose. It is also possible to lead the dust directly from the bellows hose to the dust collection section by means of the flange. In this case, since the dust passing through the bellows hose may move toward the hose storage section, a valve is provided in the path of the hose storage section so that when the suction pump rotates, the path is closed. It is preferable to keep the

[Effect of idea]

The bellows hose feeding device for a vacuum cleaner according to the present invention includes:
As is clear from the above explanation, since the bellows hose is provided with a toothed belt whose teeth engage at multiple locations, by rotating the toothed belt, the bellows hose can be reliably inserted and taken out. Now I can do it.

[Brief explanation of the drawing]

FIG. 1 is a side sectional view of a vacuum cleaner to which a bellows hose feeding device according to an embodiment of the present invention is applied, and FIG. 2 is an overall schematic configuration diagram of a vacuum cleaner to which a bellows hose feeding device according to the above embodiment is applied. FIG. 3 is a sectional view showing the meshing state of the bellows hose and the toothed belt. Explanation of symbols, 10... Bellows hose feeding device of vacuum cleaner, 11... Vacuum cleaner body, 12... Hose storage section, 14... Toothed belt, 15... Electric motor, 1
6... Bellows hose, 20... Hole, 21... Engagement hole, 23, 24... Pulley, 26... Suction pump.

Claims (1)

[Utility Model Claims] (1) A bellows hose feeding device for a vacuum cleaner, characterized in that a hose storage section for storing a flexible bellows hose and a bellows hose outlet hole communicating with the hose storage section are provided in the vacuum cleaner body, and a toothed belt whose teeth engage with the outer bellows section of the bellows hose at multiple points and a motor for driving the toothed belt are provided in the vicinity of the bellows hose outlet hole, so that the bellows hose is reliably inserted and removed by driving the toothed belt. (2) A bellows hose feeding device for a vacuum cleaner as set forth in Utility Model Claim 1, in which the toothed belt is fitted with a release device for releasing the engagement of the toothed belt with the bellows hose. (3) A bellows hose feeding device for a vacuum cleaner as set forth in Utility Model Claim 1, in which the toothed belt is attached so as to sandwich the bellows hose.