JPH06247504A - Garbage box - Google Patents

Abstract

PURPOSE:To prevent divergence of air discharged from a garbage box in which an air curtain is induced. CONSTITUTION:A garbage box comprises a box body 1 in which a storage chamber 2 is defined, and a lid 3 for closing an opening 6 in the box body 1, and a ventilating passage 4 formed in the box body 1 and having a discharge port 9 formed in one edge part of the opening 6 while a suction port 10 of the ventilating passage 4 is provided in the other edge part of the opening 6, facing the discharge port 9. Further, a blower 5 is incorporated in the ventilating passage 4. Further, a shield plate 11 for inducing a vacuum space in front of the center of the discharge port 9 is provided i the discharge port 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trash box applied to a garbage storage box or the like.

[0002]

2. Description of the Related Art A sponge-like deodorant filter is provided on the back side of a lid in order to eliminate the dull odor of a trash can, and deodorant sprays such as plant extracts have been sprayed separately into the trash can. Not enough effect was obtained. On the other hand, it was considered that the trash can was equipped with an air blower, the discharge port and the suction port were provided at the opening of the trash can, and an air curtain was formed at the opening to prevent the odor from being emitted to the outside.

[0003]

However, the wind discharged from the discharge port spreads vertically and horizontally because it entrains the surrounding air as it travels forward. For this reason, the air volume at the suction port was larger than that at the discharge port, and the wind containing the garbage odor leaked out of the suction port, making it difficult to obtain the air curtain effect. Therefore, an object of the present invention is to provide a trash can that can prevent the spread of the discharged air in an air curtain.

[0004]

A trash box according to claim 1 has a trash storage chamber inside the box, a lid for closing the opening of the box, and a ventilation passage in the box. The discharge port of the passage is provided at one edge portion of the opening, the suction port of the ventilation passage is provided at the other edge portion of the opening facing the discharge outlet, and in the trash can having the air blower in the ventilation passage, in front of the center of the discharge outlet. A shielding plate that forms a negative pressure space is provided in the discharge port.

The trash can of claim 2 is the same as that of claim 1.
The lid has a suction guide that guides the air that escapes around the suction port to return to the suction port when the lid is open. A trash box according to a third aspect of the present invention is the trash box according to the first aspect, having a blowout port on the discharge port side of the ventilation passage that communicates with the dust storage chamber and a deodorizing device on the suction port side of the ventilation channel. A trash box according to a fourth aspect of the present invention is the trash box according to the third aspect, wherein the box body has a switch for switching the air volume of the air blower in association with opening and closing of the lid body.

A trash box according to a fifth aspect of the present invention has a trash storage chamber in the box body, a lid for closing an opening of the box body, a ventilation passage in the box body, and a discharge port of the ventilation passage being opened. In a trash can that is provided at one edge part, has a suction port of the ventilation path at the other edge part of the opening facing the discharge port, and has a blower in the ventilation path,
By dividing the discharge port into a plurality of parts, a negative pressure space is formed in front of the space.

According to a sixth aspect of the present invention, there is provided a trash box having a trash storage chamber, a lid body for closing an opening of the box body, an air passage in the box body, and a discharge port of the air passage opening. In a trash can that is provided at one edge part, has a suction port of the ventilation path at the other edge part of the opening facing the discharge port, and has a blower in the ventilation path,
The lid is provided with wall bodies located on both sides of the discharge port and the suction port when the lid is opened.

[0008]

According to the trash box of the first aspect, the lid is opened to store the trash in the trash storage chamber. However, when the air blower is operated, air is generated in the ventilation passage. Therefore, the air is opened from the discharge port toward the suction port. An air curtain is formed on the. In this case, since a shielding plate that forms a negative pressure space in front of the center of the discharge port is provided inside the discharge port, it is possible to prevent the discharge air from being sucked into the negative pressure space and spread in the vertical and horizontal directions. Can be prevented from leaking from the suction port and spreading to the outside.

According to the second aspect of the present invention, since the lid has the suction guide which guides the escaped air around the suction port so as to return to the suction port in the open state in the first aspect. In addition to the function, the odor leaked to the outside of the suction port can be introduced into the suction port again by the suction guide. Claim 3
According to the trash box of claim 1, in the claim 1, the discharge port side of the ventilation passage has an outlet communicating with the waste storage chamber, and the deodorizing device is provided on the suction port side of the ventilation passage. Besides, the residual odor in the waste storage room can be circulated in the ventilation passage to deodorize with the deodorizing device.

According to the trash box of claim 4, in the claim 3, the box body has a switch for switching the air volume of the air blower in association with opening and closing of the lid body. It is possible to set the optimum air volume for the deodorizing device and the optimum air volume for forming the air curtain when the lid is opened. According to the trash can of claim 5, since the negative pressure space is formed in front of the discharge port by dividing the discharge port into a plurality of spaces, the negative pressure space prevents the odor from spreading from the discharge port, as in the first aspect. You can

According to the trash can of the sixth aspect, since the lid is provided with the wall bodies located on both sides of the discharge port and the suction port when the lid is opened, the odor spreads from the discharge port as in the case of the first aspect. It can be prevented by the body.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. That is, this trash box has a box body 1, a trash storage chamber 2, a lid body 3, a ventilation passage 4, and a blower 5. The box body 1 has a bottomed rectangular tube shape, and a mouth frame 7 is formed in the opening 6. Further, a switch 15 is provided on the back side of the mouth frame 7 as shown in FIG. 8, and a hole 17 exposing the switch operating portion 16 is provided in the mouth frame 7.

The garbage storage chamber 2 is formed inside the box body 1, but is formed by an inner box body 25 which is separate from the box body 1 as shown in FIG. 3, and has an outer brim 8 as shown in FIG. It is supported on the inside of the box 1 by being locked to the rim of the frame 7. Further, a blowout port 14 is formed on the side plate of the waste storage chamber 2. 18 is a plastic bag. The air outlet 14 is set in the box body 1 so as to be located on the side of the outlet 9 described later.

The lid 3, which closes the opening 6 of the box 1, is rotatably attached to the edge of the opening 6 by a hinge (not shown). The back surface of the lid 3 has a suction guide 19 that guides the air that escapes above the suction port 10 so as to return to the suction port 10. This suction guide 19
Is formed on the tip of the rebound plate 20 for directing the direction of the discharge air into the box body 1 when the lid body 3 is closed. The bounce plate 20 is formed obliquely in the direction away from the back surface from the rotating end side of the lid body 3 to the hinge side, thereby guiding the discharge air inward of the box body 1. Also suction guide 19
Is formed in a concave shape so as to rewind the rising airflow of the discharge air, but has an appropriate roundness so that a smooth airflow as shown by the arrow in FIG. 6 can be generated. In addition, the switch pressing portion 21 having a pin as an example is provided on the rear surface of the lid body 3 for the switch operating portion 1.
It is provided at a position facing 6 so that the switch operating portion 16 can be pushed by the switch pushing portion 21 when the lid 3 is opened.

The ventilation passage 4 is provided in the box body 1, and is formed by the inner surface of the box body 1 and the outer peripheral surface of the dust storage chamber 2. Further, the discharge port 9 of the ventilation passage 4 is provided at one edge portion of the opening 6, and the ventilation passage 4
The suction port 10 is provided at the other edge of the opening 6 so as to face the discharge port 9. The suction port 10 is formed along one side of the opening of the mouth frame 7 on the hinge side of the lid body 3, and its direction is directed to the other edge of the opening.

The discharge port 9 is a suction port 10 of the mouth frame 7 of the lid 3.
4 and 5, a shield plate 11 that forms a negative pressure space 33 (FIG. 5) in front of the center of the discharge port 9 is provided in the discharge port 9 as shown in FIGS. There is.
That is, the ejection port 9 is a horizontally long rectangle formed along one side of the opening of the mouth frame 7, the shielding plate 11 is provided so as to fill the central portion thereof, and the ejection port 9 surrounds the shielding plate 11. Is formed into a ring shape. Further, a large number of flow straightening plates 22 are formed between the shield plate 11 and the inner edge of the discharge port 9. The length L of the straightening plate 22 is three times or more larger than the width d of the discharge port 9 in order to achieve a sufficient straightening effect. Arrows indicate the flow of wind.

The blower 5 is provided in the ventilation passage 4 near the suction port 10 and comprises a case 5a and a fan-equipped motor 24 provided in the case 5a. In the embodiment, the deodorizing device 23 is built in on the suction port 10 side of the ventilation passage 4 of the blower device 5. Therefore, part of the air discharged through the deodorizing device 23 is discharged from the discharge port 9 and part of the wind is discharged from the discharge port 24.
Deodorization device 2 which sends the odor between the vinyl bag 18 and the inner box 25 into the suction port 10
I suck it into 3.

FIG. 9 shows a control circuit of the motor 26 of the blower device 5. The switch 15 is connected to the motor 26 in series and the resistor 27 is connected in parallel to the switch 15. 28 is a power supply. When the lid 3 is closed, the switch 15 is open, so that current flows through the resistor 27, and when the lid 3 is open, the switch 15 is closed, so that current flows through the switch 15. As a result, the motor 26 has a low speed when the lid is closed and a high speed when the lid is open. Then, the low speed is set to be the optimum air volume for the deodorizing device 23, and the high speed is set to be the optimum air volume for forming the air curtain.

According to this embodiment, the lid 3 is opened to store the dust in the dust storage chamber 2. However, when the blower 5 is operated, air is generated in the ventilation passage 4, so that the discharge port 9 to the suction port 10 are generated.
An air curtain is formed in the opening 6 toward. In this case, the shield plate 1 forming a negative pressure space in front of the center of the discharge port 9
Since 1 is provided in the discharge port 9, the layer thickness becomes thin, and it is possible to prevent the discharge air from being sucked into the negative pressure space and spread to the top, bottom, left, and right. Therefore, the wind containing odor leaks from the suction port 10. It can be prevented from spreading outside.

Further, since the lid 3 has the suction guide 19 for guiding the air escaping around the suction port 10 to return to the suction port 10 in the opened state, the odor leaked to the outside of the suction port 10 is guided by the suction guide 19. It can be introduced again into the suction port 19. Further, there is a blowout port 14 communicating with the inside of the waste storage chamber 2 on the discharge port 9 side of the ventilation passage 4, and the suction port 10 of the ventilation passage 4 is provided.
Since the deodorizing device 23 is provided on the side, the residual odor in the dust storage chamber 2 can be circulated in the ventilation passage 4 to be deodorized by the deodorizing device 23. Conventionally, the odor is transmitted through the vinyl bag 18, or the odor leaks from a small hole formed in the vinyl bag 18, and the odor remains between the garbage storage chamber 2 and the vinyl bag 18. Although there is a problem that the residual odor is odorous, this embodiment can also eliminate the odor between the vinyl bag 18 and the dust storage chamber 2.
It does not smell when the plastic bag 18 is taken out to throw away the trash.

Further, since the box body 1 has the switch 15 for switching the air volume of the blower 5 in association with the opening and closing of the lid body 3,
It is possible to set the optimum air volume for the deodorizing device 23 when the lid is closed, and also to set the optimum air volume for forming the air curtain when the lid is opened. That is, the deodorizing device 23 has an optimum air volume that passes through the deodorizing filter, and the deodorizing effect is best when the speed of the odor passing through the deodorizing filter has a certain value. On the other hand, the air curtain has an optimum air volume for creating a curtain layer, that is, for shutting out odors, but since the air volumes are not the same, it is not possible to satisfy both with a constant air volume, but the lid body By switching the switch 15 in conjunction with opening and closing of 3, it is possible to obtain the optimum air volume for deodorizing when the lid is closed and the optimum air volume for the air curtain when the lid is open.

Further, according to this embodiment, the discharge port 10
Since the straightening vane 22 is provided in the above, the spread of the discharge air can be suppressed by the straightening action. A second embodiment of the present invention will be described with reference to FIG. That is, in this trash can, instead of the discharge port of the first embodiment, a negative pressure space 32 is formed in front of the discharge port 9 by separating the discharge port 9 into a plurality of parts. Therefore, the negative pressure space 32 can prevent the odor from spreading from the discharge port 9.

A third embodiment of the present invention will be described with reference to FIG. In other words, this trash box replaces the shielding plate 11 of the first embodiment and the discharge port 9 and the suction port 10 when the lid 3 is opened.
Walls 30 located on both sides of the lid 3 are provided on the lid 3. In the embodiment, the wall body 30 is formed in a fan shape and hangs down from the back surface of the lid body 3, and the housing portion 31 for housing the wall body 30 when the lid body 3 is closed is formed in the box body 1.

According to this embodiment, the air discharged from the discharge port 9 is prevented from spreading the odor by the wall body 30 and is sucked into the suction port 10.

[0025]

According to the trash can of the first aspect, since the shielding plate forming the negative pressure space is provided in the center of the discharge port in the discharge port, the discharge air is sucked into the negative pressure space and spreads vertically and horizontally. Therefore, it is possible to prevent the odorous wind from leaking from the suction port and spreading to the outside.

According to the trash can of claim 2, since the lid body has the suction guide for guiding the escaped air around the suction port in the opened state to return to the suction port, the trash can of claim 1 is provided. In addition to the effect, the odor leaked to the outside of the suction port can be introduced into the suction port again by the suction guide. Claim 3
According to the trash box of claim 1, the discharge port side of the ventilation passage has an outlet communicating with the waste storage chamber, and the deodorization device is provided on the suction port side of the ventilation passage. Besides, the residual odor in the waste storage room can be circulated in the ventilation passage to deodorize with the deodorizing device.

According to the trash can of claim 4, in the claim 3, the box body has a switch for switching the air volume of the blower in conjunction with the opening and closing of the lid body. Therefore, in addition to the effect of claim 3, when the lid is closed. It is possible to set the optimum air volume for the deodorizing device and the optimum air volume for forming the air curtain when the lid is opened. According to the trash can of claim 5, since the negative pressure space is formed in front of the discharge port by dividing the discharge port into a plurality of spaces, the negative pressure space prevents the odor from spreading from the discharge port, as in the first aspect. You can

According to the trash can of the sixth aspect, since the lid is provided with the wall bodies positioned on both sides of the discharge port and the suction port when the lid is opened, the odor spreads from the discharge port as in the case of the first aspect. It can be prevented by the body.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention with a lid open.

FIG. 2 is a cross-sectional view of a closed state.

FIG. 3 is a perspective view of an inner box body of the waste storage chamber.

FIG. 4 is a perspective view of a discharge port.

FIG. 5 is a sectional view thereof.

FIG. 6 is a partial side view showing an opened state.

FIG. 7 is a perspective view of a suction guide.

FIG. 8 is a partial perspective view of the lid open state.

FIG. 9 is a circuit diagram of an air blower.

FIG. 10 is a perspective view of a discharge port according to a second embodiment.

FIG. 11 is an external perspective view of the third embodiment with the lid open.

[Explanation of symbols]

 1 Box 2 Garbage Storage Room 3 Lid 4 Ventilation Path 5 Blower 6 Opening 9 Discharge Port 10 Suction Port 11 Shielding Plate

Claims (6)

[Claims] 1. A box has a dust storage chamber, a lid for closing an opening of the box, and a ventilation passage in the box, the discharge port of the ventilation passage being one of the openings. In a trash provided at an edge portion, the suction port of the ventilation passage is provided at the other edge portion of the opening so as to face the discharge port, and a negative pressure space is provided in front of the center of the discharge port in the dust box. A trash can provided with a shielding plate that forms the inside of the outlet. 2. The trash can according to claim 1, wherein the lid body has a suction guide that guides wind that escapes around the suction port to return to the suction port in the opened state. 3. The trash can according to claim 1, further comprising: a blower outlet on the discharge port side of the ventilation passage that communicates with the waste storage chamber, and a deodorizing device on the suction inlet side of the ventilation passage. 4. The trash can according to claim 3, wherein the box has a switch for switching the air volume of the blower in association with opening and closing of the lid. 5. A waste storage chamber is provided in the box body, a lid body is provided for closing the opening of the box body, and an air passage is provided in the box body. By disposing the suction port in the edge portion, the suction port of the ventilation path facing the discharge port is provided at the other edge portion of the opening, and having a blower in the ventilation path, the discharge port is divided into a plurality of parts. A trash can with a negative pressure space in front of it. 6. A waste container is provided in the box body, a lid body is provided for closing the opening of the box body, and a ventilation passage is provided in the box body. A trash can provided at an edge portion, provided with a suction port of the ventilation path at the other edge portion of the opening facing the discharge port, and having a blower in the ventilation path, the discharge port when the lid is opened. A trash can in which the lid is provided with walls located on both sides of the suction port.