JP2020142910A - Garbage storage device - Google Patents

Abstract

To provide a garbage storage device possible to perform as much garbage compression as possible and reliably store re-thrown garbage with a simple device, and suitable for use inside and outside relatively small stores and facilities such as restaurants and convenience stores.SOLUTION: A garbage storage device includes: a garbage storage room 20 for accommodating garbage thrown in from an upper part; a garbage compression unit 30 provided with a gas bag 32 for pressing and compressing the stored garbage from an upper side to a lower side by expansion; air tanks 41 and 42 that supply air to the gas bag 32; and a gas supply lead-out unit 40 for leading out air to contract an expanded gas bag 32. By supplying air to the gas bag 32 and expanding it, the contained garbage is pressed from the upper side to the lower side to be compressed, and air is drawn out from the gas bag 32 after the garbage is pressed to contract the gas bag 32 upward, and the storage of a thrown garbage is resumed.SELECTED DRAWING: Figure 1

Description

The present invention relates to a dust storage device for storing dust by expanding a gas bag.

In Japanese Patent Application Laid-Open No. 2005-306520, a garbage input port 4 that opens to the indoor side with an outer wall 8 sandwiched between them, and a slanted structure that penetrates the outer wall 8 to discharge the input garbage to the outdoor garbage storage 6. It is composed of a shooter 5 and a housing portion 7 that accommodates the garbage storage 6 and has an exhaust fan F.
A compression means 1 for compressing the stored dust is suspended above the dust storage 6 on the top plate of the housing portion 7, and the exhaust fan F is exhausted in conjunction with the expansion of the compression means 1. It is a garbage storage device
The compression means 1 is a bellows formed so as to be expandable and contractible. It expands by the air press-fitted from the air pump to compress the dust, and when the dust inlet 4 is opened after the expansion, the air in the bellows is released to be elastic. The inventions that are degenerate are described.

In this dust storage device, the dust is expanded by the air press-fitted from the air pump to compress the dust, and when the opening / closing door is opened after expansion, the air inside the bellows is released and the inside of the housing is degenerated momentarily. The pressure becomes slightly negative, and it is supposed to prevent the odor from entering from the garbage inlet even when the garbage is thrown in.

Japanese Unexamined Patent Publication No. 2005-306520

INDUSTRIAL APPLICABILITY The present invention can perform as much dust compression as possible and reliably store the re-injected dust by a simple device, and is suitable for use inside and outside relatively small stores and facilities such as restaurants and convenience stores. The purpose is to provide a garbage storage device.

The garbage storage device of the present invention can be expressed as follows.

(1) A garbage storage room that has a garbage inlet at the top and stores the garbage that is thrown in from the garbage inlet.
A dust compression unit located on the upper side of the dust storage chamber and provided with a gas bag for compressing the dust stored in the dust storage chamber by pressing downward from the upper side of the dust storage chamber by expansion.
A gas supply source that supplies gas to the gas bag to expand the gas bag,
It has a gas lead-out unit for drawing gas from the expanded gas bag in order to shrink the expanded gas bag.
By supplying gas to the gas bag from the gas supply source and expanding the gas bag, the dust contained in the dust storage chamber is pressed downward from the upper side of the dust storage chamber through the dust inlet portion to reduce the dust. Compress and
After pressing the dust, the gas is led out from the expanded gas bag by the gas outlet, so that the gas bag is contracted to the upper side of the dust storage chamber, and the dust thrown in from the dust inlet is stored in the dust storage chamber. A garbage storage device characterized in that it is to be obtained.

The garbage thrown in from the upper garbage inlet is stored in the garbage storage room.

By supplying gas to the gas bag from the gas supply source and expanding the gas bag, the dust contained in the dust storage chamber is pushed downward from the upper side of the dust storage chamber through the dust inlet portion to reduce the dust. Compression is performed to reduce the volume of contained dust and increase the amount of dust that can be stored. After pressing the dust, the gas is drawn out from the expanded gas bag by the gas outlet, so that the gas bag is contracted to the upper side of the dust storage chamber, and the dust due to the dust injection again from the dust inlet is collected in the dust storage chamber. It shall be possible to accommodate it reliably.

Since the dust is compressed by supplying gas to the gas bag and expanding it, it is possible to realize as much dust compression as possible with a simple device, and it is possible to reliably store the re-injected dust and eat and drink. Suitable for use inside and outside relatively small stores and facilities such as stores and convenience stores.

(2) The dust storage device according to (1) above, in which the dust compression unit compresses the dust according to the amount of dust stored in the dust storage chamber.

(3) It has a dust amount detection unit that detects the amount of dust stored in the dust storage room.
When the amount of dust detected in the dust storage room reaches a predetermined amount, the gas bag is expanded to compress the dust.
If the amount of dust reaches the predetermined amount A even after the predetermined amount of dust is compressed, the dust storage device according to (2) above is notified of the fact.

(4) It has a dust amount detection unit that detects the amount of dust stored in the dust storage room.
When the amount of dust detected in the dust storage room reaches a predetermined amount, the gas bag is expanded to compress the dust.
The dust storage device according to (2) or (3) above, wherein if the dust amount reaches the predetermined amount A even after the predetermined dust compression, the dust is not compressed thereafter.

(5) The dust compression unit covers the upper part of the dust storage portion in the dust storage chamber and has a scattering prevention portion for preventing the dust from scattering during dust compression, and stores the dust in the dust storage chamber. With the upper part of the portion covered by the shatterproof portion, the dust contained in the dust storage chamber is pressed downward from the upper side of the dust storage chamber by the expansion of the gas bag to compress the dust (1). The garbage storage device according to any one of (4) to (4).

(6) The item according to any one of (1) to (5) above, wherein the gas bag has airtightness to the outside so as to maintain the contracted state as long as the gas is not supplied when the gas is derived and contracted. Garbage storage device.

(7) The garbage storage according to any one of (1) to (6) above, wherein the gas supply source has a gas container, and the gas derived from the gas bag is filled in the gas container. apparatus.

(8) In any one of (1) to (7) above, which has a gas pumping or suction device, and the gas pumping or suction device is shared by the gas lead-out unit and the gas supply source. The described garbage storage device.

(9) The dust inlet portion can be opened and closed by the opening / closing lid, and the opening / closing lid is pressed outward from the inside during dust compression to maintain the closed state. Garbage storage device as described in the section.

(10) The dust storage device according to any one of (1) to (9) above, wherein the gas bag has a direction of expanding and contracting substantially in the vertical direction in the dust storage chamber.

(11) The garbage storage device according to any one of (1) to (10) above, wherein the gas bag is removable from the garbage storage device.

The garbage storage device of the present invention can realize possible dust compression by a simple device, can reliably store the garbage to be re-injected, and can be used in relatively small stores such as restaurants and convenience stores. Suitable for use inside and outside the facility.

It is a side view of the garbage storage device. It is a front view of the garbage storage device. It is a top view of the garbage storage device. It is a piping system diagram of a garbage storage device. It is a flowchart.

[1] An embodiment of the present invention will be described with reference to the drawings.

All drawings are for an example of an embodiment of the present invention.

This dust storage device has a dust storage chamber 20, a dust compression unit 30, and a gas supply / extraction unit 40 in which a gas supply source and a gas extraction unit are integrated, in the housing 10.

(1) The housing 10 has a rectangular parallelepiped shape that is long in the vertical and front-rear directions, and the four corners of the bottom are supported by height adjusting screws 10a or casters 10b, respectively.

(2) About two-thirds of the front side of the housing 10 is the garbage storage chamber 20.

About two-thirds of the lower side of the dust storage chamber 20 is a dust storage portion 20a having a long box shape in the vertical direction. The dust storage portion 20a opens upward at the upper opening 20b, and the opening of the plastic film dust storage bag 50 is held in the upper opening 20b in an open state by using a required holding mechanism or the like. The garbage storage bag 50 can be stored in the garbage storage unit 20a.

A dust inlet portion 20c is provided on the front side of about one-third of the upper side of the dust storage chamber 20, and an opening / closing lid 20d capable of opening and closing the dust inlet portion 20c is provided. The opening / closing lid 20d can rotate around the upper horizontal rotation shaft inside the housing 10, and is always urged to be closed by a spring (not shown), from the outside to the inside. By pressing, it can rotate inward to open the dust inlet portion 20c.

The dust that has been thrown into the dust storage chamber 20 from the dust inlet portion 20c by opening the opening / closing lid 20d is stored in the dust storage bag 50 through the upper opening 20b of the dust storage portion 20a.

An opening / closing door 10c is provided on the front side portion of the dust accommodating portion 20a in the housing 10, and by opening the opening / closing door 10c, the dust accommodating bag 50 containing the dust can be taken out.

(3) A dust compression portion 30 is provided below the top plate portion of the housing 10 above the dust storage chamber 20 in the dust storage chamber 20.

The dust compression unit 30 includes a gas bag 32 for compressing the dust stored in the dust storage bag 50 in the dust storage chamber 20 by pressing downward from the upper side in the dust storage chamber 20 due to expansion.

The gas bag 32 expands when air is supplied from the gas supply lead-out unit 40.

(3-1) The dust compression unit 30 automatically compresses the dust according to the amount of dust contained in the dust storage chamber 20.

Garbage amount detection unit that detects the amount of garbage stored in the garbage storage room 20 every predetermined time (several seconds) (For the garbage stored in the garbage storage room 20, infrared rays provided in the garbage storage room 20 It has a distance sensor [which detects the height of the top of the dust by a distance sensor [not shown]), and in the initial state, the amount of dust detected for the dust contained in the dust storage chamber 20 is a predetermined amount A. When it is determined that (50% of the capacity of the dust storage portion 20a) has been reached (S1-Y), the inside of the dust storage bag 50 is expanded by expanding the gas bag 32 as shown by the arrow (downward) in FIG. The dust is compressed (S2). The dust compression unit 30 compresses the dust by maintaining the gas bag 32 in an expanded state due to a predetermined gas pressure for a predetermined time (30 seconds) so that the dust contained in the dust storage chamber 20 is moved upward in the dust storage chamber 20. This is done by pressing downward from the side.

After compressing for a predetermined time with a predetermined pressure, the amount of dust detected when the gas bag 32 is contracted upward as shown by the arrow in FIG. 1 (upward) to release the dust compression (S2) is the location. When the amount is less than the fixed amount A (S3-N), the dust is subsequently thrown in from the dust inlet portion 20c, and the amount of dust stored in the dust storage bag 50 of the dust storage chamber 20 is again a predetermined amount A (dust). When it reaches (50% of the capacity of the accommodating portion 20a) (S1-Y), dust is compressed by expanding the gas bag 32 (S2).

If the amount of dust reaches the predetermined amount A (S3-Y) even after compression for a predetermined time with a predetermined pressure, the dust is not compressed after that, and then from the dust input port 20c. When the amount of dust detected by the dust amount detection unit reaches a predetermined amount C (70% of the capacity of the dust storage unit 20a) with respect to the dust in the dust storage chamber 20 after the dust is thrown in (S4-Y). A lamp (not shown) is used to notify the dust collection instruction (S5).

The person in charge of the garbage storage device opens the opening / closing door 10c in response to the notification, takes out the garbage storage bag 50 containing the garbage, and sets another garbage storage bag 50 in the garbage storage unit 20a. After that, it is automatically reset to the initial state manually or by opening / closing the opening / closing door 10c (S6).

(3-2) The dust compression unit 30 covers the upper portion of the gas bag 32 and the upper portion of the dust storage portion 20a and the dust storage bag 50 in the dust storage chamber 20 to prevent dust from scattering during dust compression. With the dust storage unit 20a in the dust storage chamber 20 and the upper part of the dust storage bag covered by the scattering prevention unit 32a as the prevention unit 32a, the dust stored in the dust storage chamber 20 is dusted by the expansion of the gas bag 32. It is compressed by pressing downward from the upper side in the accommodation chamber 20.

(3-3) The shatterproof portion 32a is provided so as to project laterally at the upper part of the gas bag 32. By supplying air to the gas bag 32, the upper shatterproof portion 32a expands to cover the dust storage portion 20a and the upper part of the dust storage bag, and the gas bag 32 expands downward into the dust storage chamber 20. Press and compress the contained dust. When releasing the compression, air is drawn out from the gas bag 32 and the gas bag 32 including the shatterproof portion 32a is contracted.

(3-4) By providing the stopper portion 20e projecting inward inside the opening / closing lid 20d of the dust inlet portion 20c as necessary, the stopper portion 20e is in a state where the scattering prevention portion 32a is expanded during dust compression. The opening / closing lid 20d can be pressed outward from the inside through the lid, and the closed lid state can be maintained. As a result, it is possible to prevent dust from being thrown in during the dust compression process and to prevent dust from being scattered to the outside through the dust inlet portion 20c.

(3-5) The gas bag 32 has a bellows-like outer periphery around the axis in the vertical direction, and is expanded when air is supplied in the dust storage chamber 20 and contracted when air is derived. Occasionally, it has a direction of expanding and contracting substantially in the vertical direction as shown by the arrow in FIG.

(3-6) The gas bag 32 is removable from the lower side of the top plate portion of the housing 10, and can be cleaned and replaced.

(4) The compressed air is supplied to the gas bag 32 from the air tanks 41 and 42 (gas accommodating body) accommodating the compressed air as the gas supply source in the gas supply lead-out unit 40.

(5) The derivation of air from the gas bag 32 for contracting the gas bag 32 including the shatterproof portion 32a expanded by air is performed by the gas supply derivation unit 40 using the compressor 43. The gas bag 32 (including the shatterproof portion 32a) in which air is derived and contracted is airtight to the outside or self-retaining so as to maintain the contracted state unless air or other gas is supplied. Have.

The air drawn out from the gas bag 32 is filled in the air tanks 41 and 42, but more air than necessary is discharged to the outside.

(6) Filling of the air tanks 41 and 42 with gas can be performed by using a compressor 43 using external air (atmosphere) or air derived from the gas bag 32.

As shown in the piping system diagram of FIG. 4, the compressor 43 in the gas lead-out unit is driven by the gas flow path switching unit (electromagnetic switching valve V1 [left, right] and electromagnetic switching valve V2 [left, middle, right]). It is shared with the gas supply source by switching the gas flow path.

The compressor 43 and the air tanks 41 and 42 are arranged in about one-third of the rear side of the dust storage chamber 20 in the housing 10. Since the compressor 43 and the air tanks 41 and 42 have relatively high mass and overall density, it is desirable to arrange them as lower as possible in order to stabilize the dust storage device.

When the gas bag 32 is contracted, the gas flow path switching unit (electromagnetic switching valve V1 [left] and electromagnetic switching valve V2 [middle]) forms a gas flow path from the gas bag 32 to the compressor 43, and the compressor 43 is operated to derive air from the gas bag 32, and the extracted air is filled in the air tanks 41 and 42.

When the air tanks 41 and 42 are further filled with air after the contraction of the gas bag 32 is completed (until the pressure measured by the tank pressure gauge P1 rises to a predetermined pressure), the gas flow path switching unit (electromagnetic switching valve). V1 [right] and electromagnetic switching valve V2 [middle]) form a gas flow path from the outside to the compressor 43, and fill the air tanks 41 and 42 with outside air from the air suction unit T.

When air is supplied to the gas bag 32 to expand it (until the pressure of the gas bag 32 measured by the gas bag pressure gauge P2 rises to a predetermined pressure), the gas flow path switching unit (electromagnetic switching valve V1 [right] ] And the electromagnetic switching valve V2 [left]) to form a gas flow path from the air tanks 41 and 42 to the gas bag 32, and the compressed air filled in the air tanks 41 and 42 is supplied to the gas bag 32.

A compression pressure gauge P3 is provided between the electromagnetic switching valve V2 and the compressor 43, a drain discharger G is provided in the air tanks 41 and 42, and a drain discharger G is provided between the air tanks 41 and 42 and the tank pressure gauge P1. Is provided with a variable flow control valve R for flow control, a pressure reducing valve L is provided between the tank pressure gauge P1 and the gas bag pressure gauge P2, and a gas is provided between the electromagnetic switching valve V1 and the gas bag 32. A deployment speed adjusting valve S for adjusting the expansion speed of the bag 32 is provided.

[2] Embodiments of the present invention will be further described including embodiments other than the above.

The dust storage device of the present invention has a dust storage chamber, a dust compression unit, a gas supply source, and a gas lead-out unit.

(1) The garbage storage room has a garbage inlet at the top. For example, the dust storage chamber may have a dust inlet portion that opens to the side of the dust storage device above the dust storage chamber.

The dust inlet portion can be opened and closed by an opening / closing lid. At the time of dust compression, it is desirable that the opening / closing lid of the dust inlet portion is maintained in the closed state by a required actuator or the like. This is to prevent dust from being thrown in during the dust compression process and dust from being scattered to the outside through the dust inlet.

The garbage storage chamber may have a garbage storage section for storing garbage thrown in from the garbage inlet, for example, a garbage storage section that opens upward. The dust storage portion may have, for example, a rectangular parallelepiped shape or a cylindrical shape whose axial direction is substantially vertical. A vertically long box-shaped body (long in the vertical direction) is preferable.

When the garbage storage chamber has a garbage storage part with an upper opening, for example, the garbage with the garbage input port is stored in the garbage storage bag mounted directly on the garbage storage part or inside the garbage storage part. Can be.

(2) The dust compression unit is located on the upper side of the dust storage chamber, and is provided with a gas bag for compressing the dust stored in the dust storage chamber by pressing downward from the upper side of the dust storage chamber due to expansion. ..

The gas bag expands when gas is supplied from the gas supply source. By compressing the garbage by pressing it with a gas bag to the extent that it is pressed by human hands to compress the garbage, it can be used inside and outside relatively small stores and facilities such as restaurants and convenience stores. Even in use, it is possible to avoid the danger of noise generation and strong pressure.

(2-1) The dust compression unit automatically compresses the dust according to, for example, the amount of dust contained in the dust storage chamber, or periodically (for example, at regular intervals or at a fixed time). In addition to being able to be carried out in a specific manner, it can also be carried out by a predetermined instruction (or only by a predetermined instruction).

When the dust is compressed according to the amount of dust stored in the dust storage chamber, for example, the following can be performed, but the present invention is not limited to this.

A dust amount detector that detects the amount of dust contained in the dust storage chamber (for example, the height of dust detected by a distance sensor such as an ultrasonic sensor or an infrared sensor for dust contained in the dust storage chamber [for example]. It has something to detect [by the downward separation distance from the predetermined height position], for example, something to detect every predetermined time such as every few seconds), and in the initial state, the dust detected in the dust storage room When the amount of dust reaches a predetermined amount A (for example, 40 to 60% of the dust storage capacity of the dust storage chamber), the dust is compressed by expanding the gas bag.

The amount of dust detected after performing predetermined dust compression (for example, compression for a predetermined time by a predetermined pressure [for example, 10 to 120 seconds, preferably 15 to 60 seconds]) and releasing the dust compression is a predetermined amount A. If it is less than, the dust is compressed by expanding the gas bag when the dust is subsequently thrown in from the dust inlet and the amount of dust stored in the dust storage chamber reaches the predetermined amount A again. ..

If the amount of dust has reached the predetermined amount even after the predetermined amount of dust has been compressed, then a notification of that fact (in the dust storage device itself or in another device, or via communication) is given by voice, display, or signal. Etc.) can be done.

When the amount of dust reaches a predetermined amount in this way, for example,
When the predetermined amount A (or the predetermined amount B less than the predetermined amount A) is reached X;
In case X, when the dust amount reaches the predetermined amount A [or the predetermined amount B] even after repeating the predetermined dust compression twice or a predetermined plurality of times Y);
In either case X or case Y, when the dust storage amount reaches a predetermined amount C, which is larger than the predetermined amount A, due to the subsequent dust injection, Z
Can be mentioned.

Dust is not compressed after Case X or Case Y (furthermore, if the dust inlet has an opening / closing lid, it should be maintained in the closed state by a required actuator or the like if necessary). You can also.

The person in charge of the garbage storage device takes out the garbage (or garbage containers such as a garbage storage bag or a garbage storage box containing garbage) in response to the notification, and if necessary, another garbage container or a garbage container that discharges the garbage. It can be set and then reset to the initial state.

(2-2) The dust compression unit compresses the dust by expanding the gas bag and pressing the dust contained in the dust storage chamber from the upper side to the lower side of the dust storage chamber. For example, it can be carried out by maintaining the gas bag in a predetermined expansion state (for example, an expansion state of a predetermined gas pressure) for a predetermined time. Alternatively, for example, the gas bag may be brought into a predetermined expanded state, then contracted once, and then brought into a predetermined expanded state or a different (for example, increased pressure) expanded state, or the expansion and contraction may be repeated a plurality of times. it can. After that, the gas bag can be shrunk. However, the method of compressing dust by expanding the gas bag is not limited to these.

(2-3) In addition, the dust compression section covers the upper part of the garbage storage section (for example, the above garbage storage section, the garbage storage bag, etc.) in the garbage storage chamber to prevent the dust from scattering during dust compression. By expanding the gas bag with a shatterproof portion (for example, on the upper part of the gas bag or on the base side of the gas bag) and covering the upper part of the dust accommodating portion in the dust storage chamber with the shatterproof portion. It is preferable that the dust stored in the dust storage chamber is pressed downward from the upper side of the dust storage chamber to be compressed.

In addition, the scattering prevention by covering with the scattering prevention part is to cover the part containing dust in the dust storage chamber in a closed state, or to allow air to escape from the part containing dust in the dust storage chamber. It can be a covering (for example, a scattering prevention portion that covers the scattering prevention portion or other parts with air holes, a mesh, or a grid-like portion that can prevent the scattering of dust).

(2-4) In such a shatterproof part, for example, the upper part of the gas bag is made into a shatterproof part (for example, as a shape protruding sideways), and the shatterproof part expands by supplying gas to the gas bag. As a result, the scattering prevention is performed, and the gas bag below the scattering prevention portion expands downward to compress the dust.

Further, for example, the gas supplied from the gas supply source first brings the inside of the shatterproof part to a predetermined pressure to sufficiently expand the shatterproof part, and after the shatter prevention is performed, the shatterproof part and the gas bag are in that state. Sufficient gas is supplied to the gas bag through the gas flow path that communicates with the gas bag, and the gas bag expands. When the dust contained in the dust storage chamber is pressed and compressed, and then the compression is released, the scattering prevention unit is used. And the gas can be derived from the gas bag to shrink the shatterproof part and the gas bag.

Alternatively, for example, a shatterproof portion is provided on the upper side of the gas bag, and gas is separately supplied from the gas supply source to the shatterproof portion and the gas bag (a gas supply path may be provided in the shatterproof portion). be able to. When gas is separately supplied from the gas supply source to the shatterproof part and the gas bag, for example, sufficient gas is supplied to the shatterproof part while detecting the gas pressure of the shatterproof part and the gas bag to prevent the shattering. After the gas is broken, the gas flow path is switched by the gas flow path switching unit (for example, a switching valve such as an electromagnetic switching valve) to supply gas to the gas bag to compress the dust, and then the gas is drawn out from the gas bag to produce the gas. After the bag is contracted, the gas flow path can be switched by the gas flow path switching unit to draw out the gas from the shatterproof unit and contract the shatterproof unit.

(2-5) Further, in order to cover the upper part of the dust accommodating portion in the dust accommodating chamber and prevent the dust from scattering during dust compression as described above, for example, the upper portion of the dust accommodating portion in the dust accommodating chamber. It is assumed that it has a shatterproof body that can be pressed against the dust, and when the pressing gas bag that expands by supplying gas from the gas supply source expands, the pressing gas bag presses the shatterproof body and the dust storage chamber. The shatterproof body may be pressed from above to cover the upper part of the portion containing the dust in the above.

Such an anti-scattering body is made of, for example, an elastic material such as synthetic resin or synthetic rubber, or a material in which the portion that is pressed against the upper part of the dust accommodating portion in the dust accommodating chamber has elasticity. The portion that supports the portion can be made of a material that does not easily bend.

For example, the pressing gas bag portion is provided on the upper side of the gas bag with the shatterproof body interposed therebetween, and gas is separately supplied from the gas supply source to the pressing gas bag portion and the gas bag (pressing gas bag portion and scattering). A gas supply path may be provided inside the preventive body or inside the annular shatterproof body), and the gas may be supplied to the gas bag via the pressing gas bag portion. it can. Specific examples of the pressing gas bag portion and the gas supply to the gas bag include the scattering prevention portion (the one that prevents scattering by supplying gas and expanding to prevent scattering) provided on the upper side of the gas bag and the gas supply to the gas bag. It is the same as the place where it was done.

(2-6) It is desirable that the opening / closing lid of the dust inlet is always closed by a urging mechanism such as a spring, and can be opened by pushing from the outside.

At the time of dust compression, the opening / closing lid shall be pressed outward from the inside by the scattering prevention part or the pressing gas bag part provided on the upper side of the gas bag, or other mechanism to maintain the closed state. Is desirable.

(2-7) As the gas bag, a gas bag having a direction of expansion and contraction, particularly a gas bag having a direction of expansion and contraction in a substantially vertical direction in a garbage storage chamber, for example, an outer peripheral portion around an axis in a substantially vertical direction is bellows. It is preferable that the bag expands and contracts substantially in the vertical direction when it expands due to the supply of gas and when it contracts due to the extraction of gas, such as a bag having a shape.

(2-8) It is desirable that the gas bag is removable from the garbage storage device and can be washed or replaced.

(2-9) When the garbage storage chamber has a dust storage unit (for example, a dust storage unit that opens upward), the gas bag can store dust from the upper side of the dust storage chamber by being supplied with gas and expanding. It is possible to compress the dust that has been inserted into the portion (for example, the inside of the dust storage bag mounted inside the dust storage portion) and stored in the dust storage chamber by pressing downward.

(3) The supply of gas (generally air) such as compressed gas to the gas bag is performed by a gas container such as a gas tank or a gas reservoir such as a compressor or a pump or a suction device. It can be done from a gas source.

(4) Derivation of gas (generally air) from the gas bag for contracting the gas bag expanded by gas is performed by using a compressor, pump, or other gas pumping or suction device. Can be done by.

The gas pumping or suction device may be shared by the gas outlet and the gas supply source by switching the gas flow path with a gas flow path switching unit (for example, a switching valve such as an electromagnetic switching valve) as necessary. it can.

The gas bag (including the shatterproof part or the pressing gas bag part if it has a shatterproof part or the pressing gas bag part) in the state where the gas is derived and contracted to the upper side of the dust storage chamber keeps the contracted state unless the gas is supplied. It can be airtight to the outside or self-retaining, including a gas pump or suction device.

When the gas container is used, it is desirable that the gas derived from the gas bag is filled in the gas container when the customer or the like uses it in a store or the like, but it is released to the outside. It is also possible.

(5) When the gas container is used as the gas supply source, the filling of the gas in the gas container is a compressor for the outside air (atmosphere), the gas derived from the gas bag, or other gas. , A pump or other gas pumping or suction device, etc. may be used.

When the gas container is used as the gas supply source, the compressor, pump, or other gas pumping or suction device in the gas lead-out unit is driven by a gas flow path switching unit (for example, a switching valve such as an electromagnetic switching valve). By switching the path, it is desirable to share it for filling the gas container with gas.

That is, for example, when the gas bag is contracted, the gas flow path switching unit forms a gas flow path from the gas bag to the gas pumping or suction device to derive the gas from the gas bag, and the derived gas is extracted. , Fill the gas container (or, for example, release it to the outside). When the gas container is further filled with gas after the shrinkage of the gas bag is completed, a gas flow path is formed from the outside to the gas pumping or suction device by the gas flow path switching unit to form an external gas (generally the atmosphere). ) Can be filled in the gas container. At that time, when it is necessary to switch the gas flow path between the release to the outside and the filling into the gas container, it can be switched by another gas flow path switching unit.

(6) Instead of using the gas container as the gas supply source, gas is supplied to the gas bag from a gas pumping device such as a compressor or a pump or a suction device to expand the gas bag, and the garbage stored in the garbage storage chamber is expanded. By switching the gas flow path with the gas flow path switching unit (for example, a switching valve such as an electromagnetic switching valve), the compressor, pump, or other gas pumping or suction device in the gas lead-out unit is used to switch the gas flow path. It is desirable to share it with a gas source.

That is, for example, when the gas bag is contracted, the gas flow path switching unit forms a gas flow path from the gas bag to the gas pumping or suction device to derive the gas from the gas bag, and the derived gas is extracted. For example, it is released to the outside. When expanding the gas bag, a gas flow path from the gas pressure feeding or suction device to the gas bag is formed by the gas flow path switching unit, and an external gas (generally the atmosphere) is supplied to the gas bag. be able to.

(7) Since the gas supply source and the gas outlet are generally relatively high in mass and density as a whole, it is desirable to arrange them as lower as possible in order to stabilize the dust storage device.

10 Housing 10a Adjusting screw 10b Caster 10c Opening / closing door 20 Dust storage chamber 20a Dust storage 20b Upper opening 20c Dust inlet 20d Opening / closing lid 20e Stopper 30 Dust compression 32 Gas bag 32a Scattering prevention 40 Gas supply 41 Air tank 42 Air tank 43 Compressor 50 Garbage storage bag G Drain discharger L Pressure reducing valve P1 Tank pressure gauge P2 Gas bag pressure gauge P3 Compression pressure gauge R Variable flow rate control valve S Deployment speed adjustment valve T Air suction part V1 Electromagnetic switching Valve V2 Electromagnetic switching valve

Claims (11)

A garbage storage room that has a garbage inlet at the top and stores the garbage that is thrown in from the garbage inlet.
A dust compression unit located on the upper side of the dust storage chamber and provided with a gas bag for compressing the dust stored in the dust storage chamber by pressing downward from the upper side of the dust storage chamber by expansion.
A gas supply source that supplies gas to the gas bag to expand the gas bag,
It has a gas lead-out unit for drawing gas from the expanded gas bag in order to shrink the expanded gas bag.
By supplying gas to the gas bag from the gas supply source and expanding the gas bag, the dust contained in the dust storage chamber is pressed downward from the upper side of the dust storage chamber through the dust inlet portion to reduce the dust. Compress and
After pressing the dust, the gas is led out from the expanded gas bag by the gas outlet, so that the gas bag is contracted to the upper side of the dust storage chamber, and the dust thrown in from the dust inlet is stored in the dust storage chamber. A garbage storage device characterized in that it is to be obtained. The dust storage device according to claim 1, wherein the dust compression unit compresses the dust according to the amount of dust stored in the dust storage chamber. It has a dust amount detection unit that detects the amount of dust stored in the dust storage room.
When the amount of dust detected in the dust storage room reaches a predetermined amount, the gas bag is expanded to compress the dust.
The dust storage device according to claim 2, wherein if the dust amount reaches the predetermined amount A even after the predetermined dust compression, the dust storage device is notified accordingly. It has a dust amount detection unit that detects the amount of dust stored in the dust storage room.
When the amount of dust detected in the dust storage room reaches a predetermined amount, the gas bag is expanded to compress the dust.
The dust storage device according to claim 2 or 3, wherein if the dust amount reaches the predetermined amount A even after the predetermined dust compression, the dust is not compressed thereafter. The dust compression unit covers the upper part of the dust accommodating portion in the dust storage chamber and has a scattering prevention portion for preventing the dust from scattering during dust compression, and the upper portion of the dust accommodating portion in the dust storage chamber. Any of claims 1 to 4, wherein the dust contained in the dust storage chamber is pressed downward from the upper side of the dust storage chamber by the expansion of the gas bag while the dust is covered with the shatterproof portion. The garbage storage device according to item 1. The dust storage device according to any one of claims 1 to 5, wherein the gas bag is airtight to the outside so as to maintain the contracted state as long as the gas is not supplied in the contracted state when the gas is derived. The dust storage device according to any one of claims 1 to 6, wherein the gas supply source has a gas container, and the gas derived from the gas bag is filled in the gas container. The dust storage device according to any one of claims 1 to 7, which has a gas pumping or suction device, and the gas pumping or suction device is shared by the gas lead-out unit and the gas supply source. The dust storage according to any one of claims 1 to 8, wherein the dust inlet portion can be opened and closed by an opening / closing lid, and the opening / closing lid is pressed outward from the inside during dust compression to maintain the closed lid state. apparatus. The dust storage device according to any one of claims 1 to 9, wherein the gas bag has a direction of expanding and contracting in a substantially vertical direction in a dust storage chamber. The dust storage device according to any one of claims 1 to 10, wherein the gas bag is removable from the dust storage device.

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