JPH0527134Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a vacuum cleaner that is capable of preventing bacteria and insects from dust collected in a dust collection bag.

(Prior Art) Conventionally, methods for sterilizing the dust collected in the dust collection bag of a vacuum cleaner and killing insects such as mites collected in the dust collection bag along with the dust include, for example, JP-A-61-87516 or JP-A-59-
There is one as disclosed in Publication No. 207124.

This Japanese Patent Application Laid-Open No. 61-87516 describes a dust collector for a vacuum cleaner in which a part or all of the parts constituting the dust collection container or a dust collection bag are impregnated with a chemical agent having a bactericidal or insecticidal effect. A container is disclosed.

In addition, Japanese Patent Application Laid-open No. 59-207124 discloses that the support of a dust collection bag is impregnated with a chemical that has insect repellent and microbial insecticidal effects, and the side of the support where the paper bag is joined is impregnated with a chemical that has insect repellent and microbial insecticidal effects. A coated vacuum cleaner paper filter is disclosed.

According to such a configuration, it is possible to sterilize the collected dust and prevent insects in the portion that contacts the inner surface of the dust collection bag or the like.

(Problems to be solved by the invention) However, since all of the above-mentioned dust collection bags are impregnated with or coated with a bactericide or insecticide, even if they have a bactericidal and insecticidal effect in the initial stage of use, There is a problem in that as a large amount of dust is collected, the dust adheres to the inner surface of the dust collection bag in a layered manner, reducing the sterilizing effect. In addition, if dust adheres to the inside of the dust collection bag in a layer like this, there is a risk that pests such as mites may escape outside the bag without coming into contact with the insecticide on the inside of the dust collection bag, which is not necessarily desirable. Nakatsuta. Therefore, it is desirable that such pests be killed only when the dust collection bag is installed in the dust collection chamber.

Therefore, with this invention, insect pests such as mites can be killed only when the dust collection bag is installed in the dust collection chamber, and regardless of the amount of dust collected in the dust collection bag, it is possible to kill pests such as dust mites. It is an object of the present invention to provide a vacuum cleaner that can reliably sterilize dust or kill pests in dust.

(Means for solving the problem) In order to achieve this purpose, this invention is an electric vacuum cleaner in which the insertion tube of the dust collection hose is removably fitted into the suction port of the dust collection chamber of the main body of the vacuum cleaner. In the machine, the insertion tube section is provided with a locking device and a drug dispersing device, the locking device has an attachment/detachment button for releasing the locking of the insertion tube section from the suction port, and the drug dispersion device is connected to the insertion tube section. The base is removably fitted to a drug tank containing a drug and a drug outlet of the drug tank, and has an opening at the tip of the insertion tube, and connects the insertion tube to the suction port. a nozzle that opens into the dust collection chamber when mated; and a dispersion button that is attached to the chemical tank and located outside the suction port and that sprays the chemical from the nozzle into the dust collection chamber when operated. The invention is characterized in that it is a vacuum cleaner.

(Function) According to this configuration, by inserting the dust collection hose into the suction port of the vacuum cleaner body and pressing the spraying button, chemicals such as bactericides and insecticides are sprayed from the chemical spraying device. is sprayed directly into the dust collection bag in the dust collection room.

(Example) Hereinafter, an example of this invention will be described based on the drawings.

In FIG. 6, 1 is a vacuum cleaner main body, and 2 is a dust collecting hose attached to the vacuum cleaner main body 1. The vacuum cleaner main body 1 includes a rear case 3 containing an electric fan (not shown), and a dust collection case 4 attached to the front end of the rear case 3. As shown in FIG. 7, this dust collection case 4 has a dust collection chamber 5 that opens upward, and this dust collection chamber 5 can be opened and closed by a lid 6. The lid 6 is attached to the rear case 3 so as to be able to move vertically (open and close) around the upper part of the rear end.

A mouth frame holder 7 is attached to the front wall 4a of the dust collection case 4, and mouth frame insertion grooves (not shown) that face each other and extend vertically are formed on both sides of the mouth frame holder 7. Both sides of a plate-shaped mouth frame 9 of a bag-shaped paper filter 8 (dust collection bag) are removably inserted into the double-mouth frame insertion groove. In addition, an insertion port 10 that opens into the paper filter 8 is formed in the center of this plate-shaped mouth frame 9, and a thin plate-shaped ring-shaped sealing rubber 11 is concentrically attached to this insertion port 10. .

Further, on the inner surface of the front wall 6a of the lid body 6, as shown in FIGS. This connecting cylinder part 12 is integrally formed with a bulging protrusion 13 that bulges out laterally. 12a
A positioning groove 13a is formed at the outer end of the opening. Further, a fixed locking pawl 13b integral with the bulging protrusion 13 is provided near the outward opening end of the positioning groove 13a.

As shown in FIG. 6, a suction device 15 is connected to the tip of the dust collection case 2 mentioned above through an extension pipe 14, and an insertion tube 16 is integrally provided at the base of the dust collection hose 2. . This insertion cylinder part 16 has a first
As shown in FIGS. 3 to 3, a component mounting case C having a hollow interior is attached. This component mounting case C has a lower case part 17 that is integrally formed with the outer peripheral surface of the insertion tube part 16 and has a substantially rectangular outer shape.

This lower case portion 17, as shown in FIG.
Front walls 17a, 17b, rear wall 17c, side wall 17d,
17e and a U-shaped wall 17f extending from the front walls 17a, 17b to the vicinity of the rear wall 17c. and,
A detachable button installation space 18 is formed between the U-shaped wall 17f and the side wall 17d, a scattering button installation space 19 is formed within the U-shaped wall 17f, and a dispensing button installation space 19 is formed between the U-shaped wall 17f and the side wall 17e. There is a tank installation space 2 between
0 is formed. In addition, the insertion tube portion 16 includes
A nozzle arrangement groove 21 extending from the inside of the dispersion button arrangement space 19 to the end face of the insertion cylinder part 16 is formed, and a boss part 22 located between the U-shaped wall 17f and the rear wall 17c is integrally formed. It is formed. still,
A cutout 17g is formed on the tank installation space 20 side of the U-shaped wall 17f.

The open end of the lower case portion 17 is closed by the upper case 23 of the component mounting case C. This upper case 23 includes a fixed case part 23a that covers the button arrangement spaces 18 and 19, and an opening/closing case part 2 that is connected to the fixed case part 23a by a thin hinge part 23b.
It is composed of 3c.

The fixed case part 23a has a button arrangement space 1.
Slits 24 and 25 are formed corresponding to holes 8 and 19, respectively, and a screw insertion hole 26 is formed. The upper case 23 is fixed onto the lower case part 17 by inserting the screw 27 into the screw insertion hole 26 and then screwing it into the boss part 22.

An attachment/detachment button 28 and a dispersion button 29 are provided in the button arrangement spaces 18 and 19, respectively.
They protrude outward from 4 and 25, respectively. Moreover, the springs 30, 31 shown in FIG.
By interposing the buttons 28 and 2, respectively,
9 are spring-biased in the direction of protruding from the slits 24 and 25, respectively.

In addition, a spray nozzle 32 is disposed in the nozzle arrangement groove 21.
is installed. This nozzle arrangement groove 21 is closed with an elongated plate-shaped lid 33. In this embodiment, this plate-like lid 33 is glued to the upper part of the nozzle groove 21, or the upper case 23 and the lower case part 17
It is fixed in the nozzle arrangement groove 21 by being sandwiched between the two. In this embodiment, the plate-shaped lid 33 is fixed within the nozzle groove 21, but the configuration is not necessarily limited to this. For example, the plate-like lid body 33 is arranged above the nozzle arrangement groove 21,
The middle part of the plate-shaped cover 33 is pivotally attached to both side walls of the nozzle groove 21 so that the tip of the plate-shaped cover 33 can approach and move away from the nozzle groove 21. When the lid body 33 is along the inside of the nozzle arrangement groove 21, a closing part for closing the tip of the spray nozzle 32 is provided at the tip of the plate-like lid body 33, and the spray button 29 is provided.
When pressed, the base of the plate-shaped lid 33 is pressed by the spraying button 29, the closing portion at the tip of the plate-shaped lid 33 separates from the nozzle arrangement groove 21, and the tip of the spraying nozzle 32 enters the paper filter 8. By opening at the end of the spray nozzle 32, dust sucked into the paper filter 8 may be prevented from adhering to the opening at the tip of the spray nozzle 32.

In addition, in the tank installation space 20, there are
A chemical tank 34 containing chemicals such as insecticides and fungicides shown in the figure is housed, and a chemical outlet 35 (see Figure 4) of this chemical tank 34 is removably fitted to the base 32a of the spray nozzle 32. be done. Moreover, the medicine injection button 36 attached to this medicine tank 34
When pressed from above, the medicine discharged from the medicine outlet 35 is sprayed from the tip of the spray nozzle 32.

An engaging protrusion 37 that engages with the drug injection button 36 from above is integrally provided on the side surface of the above-mentioned spray button 29 on the side of the drug tank 34. When the spray button 29 is pressed, the drug injection button 36 is engaged. Pressing operation is performed by the protrusion 37. Further, as shown in FIG. 4, a guide groove 38 is provided on the side surface of the dispersion button 29 on the attachment/detachment button 23 side, and extends vertically and has a locking end 38a at the top. An engagement pin 39 protruding from the side surface of 28 is inserted. Then, when the spraying button 29 is pressed, the locking end 38a of the guide groove 38
is adapted to press the engagement pin 39 and press the attachment/detachment button 23 downward. In addition, the attachment/detachment button 28
is a movable locking claw 28 that is engaged with the fixed locking claw 13b.
The fixed locking claw 13c and the movable locking claw 28a are integrally connected to the hose locking device HL (see Fig. 5).
It consists of Further, the drug tank 34, the drug injection button 36, the spray nozzle 32, etc. constitute a drug spray device 40 (see FIG. 3).

Next, the operation of the vacuum cleaner having such a configuration will be explained.

In such a configuration, the insertion cylinder part 16 of the dust collecting hose 2 is inserted into the suction port 12a of the vacuum cleaner main body 1, and the component mounting case C is inserted into the positioning groove 13.
When the movable locking claw 28a of the attachment/detachment button 29 passes over the fixed locking claw 13b and is locked to the fixed locking claw 13b as shown in FIG. 1 is locked. In this position, the tip of the insertion tube 16 penetrates the seal rubber 11 and is inserted into the paper filter 8, and the tip of the spray nozzle 32 opens into the paper filter 8.

In this state, when the spray button 29 is pressed, the engaging protrusion 37 integrated with the spray button 29 presses the medicine injection button 36, causing the medicine tank 34 to be pressed.
A chemical such as an insecticide or a bactericide is discharged from the chemical outlet 35, and the discharged chemical is delivered to the spray nozzle 3.
2 into the paper filter 8. On this occasion,
When the vacuum cleaner is in the dust suction operation, the injected chemical swirls within the paper filter 8 and is attached to the dust that is being sucked in.

Moreover, when the spraying button 29 is pressed in this way, the locking end 3 of the guide groove 38 of the spraying button 29
8a presses the locking pin 39, and the attachment/detachment button 28
is pressed. As a result, the attachment/detachment button 28
The movable locking pawl 28a is disengaged from the fixed locking pawl 13b, and the locking of the insertion tube portion 16 to the vacuum cleaner main body 1, that is, the locking to the suction opening portion 12a, is released. Therefore, when the spray button 29 is pressed, the chemical is sprayed into the paper filter 8 and at the same time, the dust collection hose 2
The insertion tube portion 16 can be removed from the suction port portion 12.

Also, when only the attachment/detachment button 28 is pressed,
Since the engaging pin 39 is guided downward in the guide groove 38 of the spraying button 29, the chemical spraying button 2
9 is not pressed, and only the engagement lock between the movable locking pawl 28a and the fixed locking pawl 13c is released. Therefore, when only the attachment/detachment button 28 is operated, no medicine is sprayed.

(Effect of the invention) As explained above, this invention provides a vacuum cleaner in which the insertion tube of the dust collection hose is removably fitted into the suction port of the dust collection chamber of the vacuum cleaner body. The cylinder part is equipped with a locking device and a chemical spraying device.
The locking device has an attachment/detachment button that releases the locking of the insertion tube to the suction port, and the drug dispensing device includes a drug tank containing a drug and a base located at the drug outlet of the drug tank. A nozzle that is removably fitted and that opens at the tip of the insertion tube and opens into the dust collection chamber when the insertion tube is fitted to the suction port; and a nozzle that is attached to the drug tank. In addition, the dust bag is located outside the suction port and includes a spray button that sprays the chemical from the nozzle into the dust collection chamber when operated, so that pests such as mites can be prevented from entering the dust collection chamber by the dust bag. Insects can be killed only when the dust collection bag is attached, and the collected dust can be sterilized or insect pests in the dust can be reliably killed regardless of the amount of dust collected in the dust collection bag.

Moreover, when the spraying button and the attachment/detachment button are configured to be linked so that pressing one of them enables pressing the other, the spraying of the chemical into the dust collection bag and the attachment/detachment of the dust collection hose can be performed at the same time. Operations can be performed simultaneously.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the insertion tube portion of the dust collection hose of the vacuum cleaner according to this invention. Figure 2 shows the first
It is a perspective view which shows the relationship between the tank arrangement space of the upper case shown in the figure, and a chemical|medical agent tank. Figure 3 shows the first
FIG. FIG. 4 is an exploded perspective view of the attachment/detachment button, spray button, chemical tank, spray nozzle, etc. shown in FIG. 3, viewed from a different angle. FIG. 5A is a sectional view taken along line A-A in FIG. 6. FIG. 5B is a cross-sectional view of the connecting cylinder section taken along line BB in FIG. 5A. FIG. 6 is a perspective view showing a state in which the insertion tube shown in FIG. 1 is attached to the vacuum cleaner body. FIG. 7 is an explanatory view showing a state in which the lid of FIG. 6 is opened and the paper filter is installed in the dust collection chamber. 1... Vacuum cleaner body, 2... Dust collection hose, 5...
Dust collection chamber, 8...Paper filter (dust collection bag), 12...
... Connection cylinder part, 12a ... Suction port part, 16 ... Insertion cylinder part, 28 ... Attachment/detachment button, 29 ... Spray button, 34 ... Drug tank, 35 ... Drug outlet,
36... Drug injection button, 37... Engaging protrusion, 3
8...Guide groove, 39...Engagement pin, 40...Drug dispersion device.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) In a vacuum cleaner in which an insertion cylinder part of a dust collection hose is removably fitted into a suction port of a dust collection chamber of a vacuum cleaner body, the insertion cylinder part has: A locking device and a drug dispersion device are provided, the locking device having an attachment/detachment button for releasing the locking of the insertion tube portion to the suction port, and the drug dispersion device including a drug tank containing the drug; A base portion is removably fitted into the drug outlet of the drug tank, and is opened at the tip of the insertion tube portion, and when the insertion tube portion is fitted into the suction port portion, the base portion is removably fitted into the medicine outlet. A vacuum cleaner comprising: a nozzle that opens; and a spraying button that is attached to the chemical tank and is located outside the suction port, and that sprays the chemical from the nozzle into the dust collection chamber when operated. . (2) The vacuum cleaner according to claim 1, which is a registered utility model, characterized in that the dispersion button and the attachment/detachment button are linked so that pressing one of them enables pressing the other.