JPH0826409A - Dust storage container - Google Patents

Abstract

(57) [Summary] [Purpose] It does not disturb pedestrians and workers, improves aesthetics, has a simple structure, does not generate noise when collecting dust, and can use the space in the basement as a maintenance space. To provide a dust storage container that can be used. [Structure] A dust storage container 10 is installed in a closed basement A, and a charging pipe 1 is projecting above the ground.
A transport pipe 23 is provided in a protruding manner in the vicinity of the input pipe 1, and a projecting portion between the input pipe 1 and the transport pipe 23 is covered with a cover body 30. An air intake 31 for taking in outside air is formed on one side surface of the cover body 30, and an opening / closing device 32 for controlling the amount of outside air taken in through the air taking in 31.
Are arranged inside the cover body 30 and close to the air intake 31. Further, the opening / closing device 32 is configured by a flexible plate that closes the through hole from the inside, and can be automatically opened / closed by bending the plate inward by the suction force in the basement A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust storage container for temporarily storing dust discharged from a home through an input pipe and collecting the collected dust by a suction device.

[0002]

2. Description of the Related Art Conventionally, as this type of dust storage container,
The one described in JP-A-4-58506 has been proposed by the present applicant.

This dust storage container is arranged in a basement, and a charging pipe having a charging port is erected on the ground, and the dust is temporarily stored on the ground from the charging port through the charging pipe in the cleaning container. At the time of sucking and collecting dust, the dust storage container is made to have a negative pressure by the suction device of the dust collecting vehicle, and then the outside air flowing into the basement from the air supply passage formed along the input pipe is used as secondary air to store the dust. By sucking the dust into the container, the dust in the dust storage container is sucked and collected together with the secondary air into the dust storage chamber of the dust collecting vehicle through the transport pipe.

[0004]

However, in the above-mentioned conventional device, the opening / closing device arranged in the basement is opened / closed by an actuator such as an air cylinder,
Since the introduction of the outside air into the basement is controlled, it is necessary to control the operation of the actuator during the dust suction work, which causes a problem that the device and its control become complicated. Further, since the switchgear is arranged in the basement, there is a problem that the maintenance space in the basement is reduced by the installation space of the switchgear.

Further, in the above-mentioned conventional refuse storage container, since the docking station for connecting the dust storage container and the refuse collection vehicle is arranged at a place different from the charging pipe, the disposing work is performed. The construction cost is large and the docking station and the input pipe are arranged so as to project from the ground at a distance from each other, which causes obstacles for pedestrians and workers, and has a problem of poor aesthetics. there were.

[0006]

According to a first aspect of the present invention, there is provided a dust storage container, wherein an input pipe having an input port is connected through a first opening / closing valve and an intake pipe for taking in external air. Is connected via a second on-off valve, and is connected to a transportation pipe for sucking and transporting the dust stored therein by a suction device, the dust storing container being installed in a closed basement The input pipe is provided so as to project above the ground so that the input port is located at a predetermined height, and the transport pipe is provided so as to project in the vicinity of the input pipe. The installation part is covered with a cover body.

According to the second aspect of the present invention, in the dust storage container, an air intake for taking in outside air is formed on one side surface of the cover body, and the amount of outside air taken in through the air taking in is controlled. An opening / closing device is arranged inside the cover body and close to the air intake port.

According to a third aspect of the present invention, in the dust storage container, the opening / closing device is composed of a flexible plate that closes the through hole from the inside, and the plate is bent inward by the suction force in the basement. By doing so, it can be opened and closed automatically.

According to a fourth aspect of the present invention, in the dust container, a U-turn portion is formed in the cover body to make a U-turn of outside air taken into the cover body and then to flow into the basement. The sound absorbing material is arranged in the U-turn portion.

[0010]

According to the first aspect of the present invention, the installation work is simplified by disposing the input pipe and the transport pipe projecting on the ground in close proximity to each other and covering them with one cover.

According to the second aspect of the invention, the cover body is formed with an air intake for sucking the outside air, and an opening / closing device for controlling the outside air taken in from the air intake is provided inside the cover body. By arranging the switchgear close to the air intake, the switchgear is not arranged in the basement, and the basement is effectively used.

According to the third aspect of the present invention, the opening / closing device is composed of a flexible plate that closes the through hole from the inside, and the plate is automatically bent when the plate is bent inward by the suction force in the basement. Open and close, quiet opening and closing and simple configuration.

According to the fourth aspect of the present invention, the outside air is made to make a U-turn once in the U-turn portion formed in the cover body to flow into the basement, and at the same time, the sound absorbing material is arranged in the U-turn portion, whereby the outside air is Enhances the sound absorption effect when flowing into the basement.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

1 to 3 show a schematic structure of a dust storage container according to the present invention.

A dust storage container (hereinafter, simply referred to as a container)
10 is for temporarily storing dust generated from homes,
It is installed in a closed basement A.

An opening 11 is formed on the top surface of the container 10, and a lower end of a chute (a charging pipe) 1 standing upright from the basement A is connected to the opening 11. At the upper end of the chute 1, an input port 1 for inputting dust from the ground
A is provided so as to be openable and closable by the opening / closing lid 1b.

The opening 11 is provided with a closing gate (first opening / closing valve) 12 for opening and closing the opening 11. The closing gate 12 is opened and closed by the expansion and contraction of the air cylinder 13. A detector (not shown) such as a limit switch for detecting opening and closing of the input gate 12 is provided near the input gate 12.

A cover body 30 is installed on the ground to cover the projecting portion of the chute 1 and the transportation pipe 23 described later.

As shown in FIGS. 3 and 4, the cover body 30 has an air intake port 3 on one side on which the chute 1 is arranged.
1 is formed, and a mesh member, for example, is provided at the air intake 31 to prevent foreign matter from entering.

An opening / closing device 32 shown in FIG. 4 is provided in the cover body 30 facing the air intake 31.
It is arranged so that 0 is divided vertically. Switchgear 32
A plurality of through holes 33 are formed in the through hole 33.
Is configured to be openable and closable by the plate 34.

The plate 34 is made of a flexible material such as a rubber plate, and the upper edge of the plate 34 is fixed from the inner surface side of the through hole 33 by a screw or the like so that the plate 34 has flexibility. Is configured so that it can be opened inward. By closing the through hole 33 with the flexible plate 34 in this manner, the through hole 33 is closed in a substantially sealed state, and
It can be opened and closed quietly without making a noise.

The cover body 30 is separated from the basement A by a bottom plate 35, and only a portion 36 between the chute 1 and the transport pipe 23 is communicated with the basement A.

As a result, the air intake 31 and the opening / closing device 32
The outside air taken in via the guide pipe is once introduced to the upper part of the cover body 30 and then flows into the basement A through the space between the chute 1 and the transport pipe 23.

A sound absorbing material 37 such as glass wool is provided on the upper surface of the cover body 30 through which the outside air is guided.

An intake port 16 is formed in the lower part of the side wall of the container 10 as shown in FIGS. A base end of an intake pipe 17 is connected to the intake port 16, and the distal end of the intake pipe 17 supplies the outside air flowing into the basement A through the above-described route into the container 10 as secondary air. It is installed in. The intake pipe 17 is provided with a secondary air valve (second opening / closing valve) 18 that opens and closes the intake pipe 17, and the secondary air valve 18 is opened and closed by expansion and contraction of an air cylinder 20. In the vicinity of the secondary air valve 18, the secondary air valve 1
A detector (not shown) such as a limit switch for detecting opening / closing of 8 is provided.

Further, the lower part of the side wall of the container 10 is shown in FIG.
Further, as shown in FIG. 3, a discharge port 21 is formed, and one end of a transport pipe 23 is connected to the discharge port 21 via a funnel-shaped connecting member 22.

The other end of the transport pipe 23 rises in the basement A and is installed upright in the cover body 30. The other end of the transport pipe 23 is a suction hose 4 extended from a dust collecting vehicle 40 described later by a coupling (not shown).
2 is connectable.

The upper surface of the cover body 30 on which the other end of the transport pipe 23 is arranged is configured to be openable / closable by an opening / closing lid 38.

Each of the air cylinders 13 and 20 is connected to an air source (not shown) provided in the dust collecting vehicle 40 via a connecting portion provided in the cover body 30 by an air hose (not shown). The air source may be provided in the basement A.

Further, the container 10 is provided with a level sensor (not shown) for detecting the storage level of dust in the container 10.

The dust stored in the container 10 thus constructed is sucked and collected in the dust storage chamber 43 of the dust collecting vehicle 40 by the suction device 41 mounted on the dust collecting vehicle 40 shown in FIG. It

The suction device 41 is mounted on the front portion of the vehicle frame, and the dust storage chamber 43 communicating with the suction device 41 is mounted on the rear portion of the vehicle frame. The dust storage chamber 43 is configured to be attachable to and detachable from the suction device 41, and a lower rear portion thereof is pivotally supported by the vehicle frame so as to be tiltable about the pivotally supporting portion 43a. The base end of the suction hose 42 is connected to the upper portion of the dust storage chamber 43, and the tip of the suction hose 42 is suspended from the rear portion of the dust storage chamber 43. The suction hose 42 is configured such that its base end portion is rotatable, and by rotating the suction hose 42, the tip end portion thereof can be easily connected to the other end of the transport pipe 23 arranged in the cover body 30. .

The dust collecting truck 40 is provided with a control device (not shown).

Detection signals from the detectors and level sensors provided on the container 10 are input to the control device by a signal cable (not shown) connected via a connecting portion provided on the cover body 30. Therefore, the control device outputs an operation signal to each of the air cylinders 13 and 20 of the container 10 based on the detection signal from each detector and the level sensor to control the opening / closing of the closing gate 12 and the secondary air valve 18. To do.

The reference numeral 25 in FIGS. 1 to 3 indicates
Steps used when entering the basement A, and 26 are control panels used for maintenance and manual operation.

Next, the operation of suctioning and collecting dust with the suction device 41 of the dust collecting vehicle 40 using the container 10 configured as described above will be described.

The dust thrown in through the charging port 1a is stored in the container 10 via the chute 1.

When collecting the dust collected in the container 10 in this manner, first, the dust collecting truck 40 is covered with the cover body 3.
After stopping the vehicle in the vicinity of 0 and opening the opening / closing lid 38 of the cover body 30, the suction hose 42 of the dust collecting vehicle 40 and the transport pipe 2
In addition to connecting to the other end of 3, the actuators provided on the container 10 side and the air source and control device of the dust collecting truck 40 are connected by an air hose and a signal cable.

Next, the suction device 41 is operated to activate the container 10
Start sucking air from the side. At about the same time, the closing gate 12 is closed to close the opening 11, and the secondary air valve 18 is closed to close the intake pipe 17.

As a result, the air in the container 10 is discharged from the outlet 2
1, the transport pipe 23, the suction hose 42, and the dust storage chamber 4
After being sucked by No. 3, it is exhausted to the outside through the suction device 41. By sucking the air in the container 10 in this manner, the inside of the container 10 is gradually made negative pressure.

Then, the suction operation is continued until the inside of the container 10 reaches a predetermined negative pressure value, and when the predetermined negative pressure value is reached, the secondary air valve 18 is opened and the intake port 16 of the intake pipe 17 is opened to the basement A.
The air inside is made to flow into the container 10 as secondary air. As a result, the secondary air that has flowed in from the intake port 16 swirls in the container 10 due to the pressure difference and flows from the exhaust port 21 to the dust storage chamber 43 side through the transport pipe 23 and the suction hose 42, and accordingly the container. The dust inside 10 is sucked and collected in the dust storage chamber 43 through the discharge port 21, the transport pipe 23, and the suction hose 42.

Here, as described above, when the air in the basement A flows into the container 10 as the secondary air, the opening / closing device 32 of the opening / closing device 32 arranged in the cover body 30 is sucked by the container 10. The plate 34 bends inward and the opening / closing device 32
The through hole 33 of the cover body 30 is opened, and the outside air is sucked in through the air intake 31 of the cover body 30 and the through hole 33, and flows into the basement A through the space between the chute 1 and the transport pipe 23 from the upper portion of the cover body 30. Secondary air is sucked into the container 10 through the intake port 16 (see the arrow in FIG. 4). As mentioned above, the plate 3
4 is opened by this suction force only when the secondary air flows into the container 10, and is closed at the time of throwing dust and storing dust, and the odor in the basement A is covered by the cover body 3
It does not leak to the outside of 0.

Also, the outside air is once passed through the through hole 33 to once cover the cover body 3.
By making a U-turn at the upper part of 0 and entering the basement A, the sound absorbing effect is enhanced in combination with the action of the sound absorbing material 37 arranged in the U-turn portion, and noise generated during intake of outside air into the basement A can be suppressed. .

When the secondary air is sucked into the container 10 and the pressure in the container 10 returns to a predetermined pressure as described above, the secondary air valve 18 is closed and the suction device 41 again causes a negative pressure in the container 10. When a predetermined negative pressure value is reached, the secondary air valve 18 is opened to suck and collect dust in the container 10 as described above.

When the above-described operation is repeated a predetermined number of times and the dust in the container 10 disappears, the suction operation is completed.

[0047]

As described above, according to the present invention as set forth in claim 1, since the input pipe and the transport pipe projecting on the ground are covered with one cover, the disposing work is easy. As a result, the construction cost can be reduced, and it does not disturb pedestrians and workers, and the appearance is improved.

According to the second aspect of the present invention, the cover body is formed with an air intake for sucking the outside air, and an opening / closing device for controlling the outside air taken in from the air intake is provided inside the cover body. Since it is arranged close to the air intake, the space in the basement can be widely used as a maintenance space as compared with the conventional arrangement in which the switchgear is arranged in the basement.

According to the third aspect of the present invention, the opening / closing device is composed of a flexible plate that closes the through hole from the inside, and the plate is automatically bent by being bent inward by the suction force in the basement. Since it can be opened and closed, the opening and closing is quiet, and an actuator such as an air cylinder for opening and closing the opening and closing device is not required, and the device and its control can be simplified.

According to the fourth aspect of the present invention, the cover body is formed with a U-turn portion for U-turning the outside air taken into the cover body and then flowing into the basement, and the U-turn portion is provided with a sound absorbing material. By disposing it, the sound absorbing effect is enhanced and the noise generated when the outside air is sucked into the basement can be suppressed.

[Brief description of drawings]

FIG. 1 is a side view showing a schematic configuration of a refuse storage container and a refuse collection vehicle.

FIG. 2 is a side view showing a schematic configuration of a dust storage container.

FIG. 3 is a front view showing a schematic configuration of a dust storage container.

FIG. 4 is an enlarged front view of a partially cutaway showing a cover body.

[Explanation of symbols]

 1 Chute (Charging Pipe) 1a Charging Port 10 Container (Dust Storage Container) 12 Charging Gate (First Open / Close Valve) 17 Intake Pipe 18 Secondary Air Valve (Second Open / Close Valve) 23 Transport Pipe 30 Cover Body 31 Air Intake 32 Switchgear 33 Through hole 34 Plate 37 Sound absorbing material A Basement

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasunori Matsuo 1-1, Shinmeiwa-cho, Takarazuka-shi, Hyogo Shinmeiwa Industry Co., Ltd. Environmental Systems Division

Claims (4)

[Claims] 1. A dust pipe that is connected to a charging pipe having a charging port through a first opening / closing valve, and an intake pipe that takes in outside air into the inside through a second opening / closing valve, and is stored inside. In a dust storage container connected to a transportation pipe for sucking and transporting by a suction device, the dust storage container is installed in a closed basement, and the charging pipe is positioned so that the charging port is located at a predetermined height. A dust storage container characterized in that it is provided on the ground and further, the transport pipe is provided so as to project in the vicinity of the input pipe, and the projecting portions of the input pipe and the transport pipe are covered with a cover body. 2. An air inlet for taking in outside air is formed on one side surface of the cover body, and an opening / closing device for controlling the amount of outside air taken in through the air inlet is provided inside the cover body and the air outlet. The dust storage container according to claim 1, which is disposed in the vicinity of the intake. 3. The opening / closing device is composed of a flexible plate that closes a through hole from the inside, and the opening / closing device is automatically opened / closed by bending the plate inward by suction force in the basement. The dust storage container according to 1 or 2. 4. The cover body is provided with a U-turn portion for U-turning outside air taken into the cover body and then flowing into the basement, and a sound absorbing material is arranged in the U-turn portion. Item 1. The dust container according to item 1, 2 or 3.