JPH11585A - Gas liquid jet washing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gas liquid jet washing device having dust collection performance too. SOLUTION: This device is attached with a dust collection case 27 incorporating a dust collection filter 29 on a gas sucking port 4 of the gas liquid washing device and also enables to use the device as an operational mode of a sweeper for collecting dust into the dust collection case 27 by interrupting liquid with a liquid interruption device 14, and by selecting a normal washing operational mode (gas liquid jet washing) and a sweeper operational mode, sweeping is performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas-liquid jet cleaning device having a dust collecting function.

[0002]

FIG. 13 shows, for example, Japanese Patent Application No. 8-25641.
FIG. 3 is a cross-sectional view showing a conventional gas-liquid spray cleaning device shown in No. 3; In the figure, reference numeral 1 denotes a motor storage case for housing a turbo-type blower 2 therein, which is provided with an exhaust port 3 at a lower portion of a side surface and a gas inlet 4 at an upper surface.

[0005] Reference numeral 5 denotes a flexible exhaust passage having one end connected to the exhaust port 3, 6 denotes an injection nozzle connected to the other end of the exhaust passage 5, and 7 is disposed so as to pass through a substantially central portion of the exhaust passage 5. One end of the flexible liquid passage is connected to the water tap 8, and the other end is connected to the liquid nozzle 9. 10 is a tap 8
This is a liquid shutoff device that shuts off water from the liquid, and is provided on the liquid passage 7.

[0004] The operation of the conventional gas-liquid jet type cleaning apparatus as described above will be described. First, the water tap 8 is opened, and the switch (not shown) of the turbo-type blower 2 is turned on, so that air is taken into the motor storage case 1 from the gas suction port 4, passes through the exhaust passage 10, and from the injection nozzle 6. A high velocity gas stream is injected. At the same time, tap water is discharged from the tap 8 through the liquid shut-off device 10 in the open state and from the liquid nozzle 9. Tap water discharged from the liquid nozzle 9 is blown off by a high-speed gas flow injected from the injection nozzle 6 to become a water droplet flow. Therefore, the high-speed gas mixture flow A (water droplet flow + gas flow) is injected from the injection nozzle 6.

[0005] The user holds the spray nozzle 6 by hand and points the spray nozzle 6 at the cleaning surface of the object to be cleaned. The gas mixture stream A collides with the surface to be cleaned, and the impact force of the high-speed water droplet flow and the action of flowing down the water. By the action of carrying along to the end, the dirt adhering to the surface to be cleaned is peeled off and the surface to be cleaned is cleaned.

[0006]

In the conventional gas-liquid jet cleaning apparatus as described above, when the contaminants to be cleaned are liquids, they are cleaned by peeling off the contaminants. In some cases, even if it can be peeled off from the object to be cleaned, the user must collect and discard the paper waste, which is inconvenient. The present invention has been made in order to solve such a problem, and has a dust collecting function utilizing a gas suction force at the time of gas-liquid injection, and has easy-to-use gas-liquid jet cleaning having various functions. It is intended to provide a device.

[0007]

In the gas-liquid jet cleaning apparatus according to the present invention, a turbo-type blower, a tubular air-blowing passage connected to the exhaust side of the blower and having an injection nozzle at the tip, and one end provided with a liquid are provided. A tubular liquid passage connected to a supply source and having a liquid nozzle at the tip positioned concentrically within the ejection nozzle, and a mixed flow of liquid and gas is ejected from the tip of the ejection nozzle by rotation of the turbo-type blower. In the gas-liquid jet cleaning device, a dust collecting case having a built-in dust collecting filter is detachably connected to an inlet of the turbo type blower, and when the dust collecting case is connected to the inlet, the dust collecting case is linked to the connection operation. Thus, the supply of the liquid to the liquid nozzle is shut off.

Also, a turbo-type blower, a tubular air-blowing passage connected to the exhaust side of the blower and having an injection nozzle attached to the tip, and a liquid nozzle at one end connected to a liquid supply source and having the tip liquid nozzle concentric with the injection nozzle. And a tubular liquid passage positioned in the shape of a circle, wherein the turbo-type blower rotates to inject a mixed flow of liquid and gas from the tip of an injection nozzle to collect the liquid at a suction port of the turbo-type blower. A dust collection case with a built-in dust filter is detachably connected, a second suction port is provided in the blower, and a dust collection filter is attached to the second suction port, so that the blower and the suction port communicate with each other. Switching means for switching between a cleaning operation mode and a cleaning operation mode in which the blower and the second suction port communicate with each other. Sometimes, in which so as to cut off the supply of the liquid to the liquid nozzles.

An opening / closing lid is attached to the suction port,
When the switching means is in the cleaner operation mode, the opening / closing lid is opened.

An exhaust port is provided on the exhaust side of the blower, and an exhaust lid is attached to the exhaust port so that the exhaust lid opens when the switching means is in the cleaner operating mode.

Further, the exhaust lid is opened and closed in conjunction with opening and closing of the opening and closing lid of the suction port.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. FIGS. 1 and 2 are a vertical sectional view in a cleaning operation mode and a vertical sectional view in a vacuum cleaner operation mode, respectively, showing the gas-liquid injection cleaning device according to the first embodiment of the present invention. In the figure, reference numeral 1 denotes a motor storage case for storing a turbo-type blower 2 therein, and an exhaust port 1a is provided on a lower side surface and an opening 1b is provided on an upper surface.
Having. Reference numeral 3 denotes an upper portion of the turbo blower 2 in the motor storage case 1, that is, an opening 1b of the motor storage case 1.
And a plurality of cylindrical member holes 3a to 3g (see FIGS. 4 and 5) are provided on the outer periphery of the cylindrical member. Reference numeral 4 denotes a first suction port provided on the upper surface of the cylindrical member 3, and an opening / closing lid 4a is provided at the opening on the upper surface. The opening / closing of the opening / closing lid 4a opens and closes the first suction port 4. Reference numeral 5 denotes an outer cylindrical member which covers the outer periphery of the cylindrical member 3 and is rotatably mounted through the first suction port 4.
a to 3g each having a plurality of outer cylindrical member holes 5a communicating with each other.
To 5 g (see FIGS. 4 and 5). Reference numeral 6 denotes a switching knob formed integrally with the outer cylindrical member 5 to rotate the outer cylindrical upper member 5, and the switching knob 6 switches between the cleaning operation mode and the vacuum cleaner operation mode, and switches when in the cleaning operation mode. The knob 6 is turned so that the cylindrical member holes 3a to 3g and the outer cylindrical member holes 5a to 5g coincide with each other (see FIG. 4). In the vacuum cleaner operation mode, the switching knob 6 is turned. The cylindrical member holes 3a to 3g and the outer cylindrical member holes 5a to 5g are brought into a state where they do not match (see FIG. 5).

Reference numeral 7 denotes a cover which is larger than the outer periphery of the motor storage case 1, penetrates the first suction port 4 and is attached to the outermost periphery of the motor storage case 1. Reference numeral 8 denotes a second suction port formed between the side surface of the motor storage case 1 and the cover 7, and is always open. 9 is a dust filter attached to the second suction port 8.

Reference numeral 10 denotes a flexible ventilation passage having one end connected to the exhaust port 1a, 11 denotes an injection nozzle connected to the other end of the ventilation passage 10, and 12 is disposed so as to penetrate a substantially central portion of the exhaust passage 10. The liquid nozzle 13 is connected to one end of the flexible liquid passage, and the other end is connected to the liquid cutoff device 14. The opening and closing of the liquid blocking device 14 is closed and opened in conjunction with the opening and closing of the opening and closing lid 4a of the first suction port 4. Reference numeral 15 denotes a water tap, and 16 denotes a hose connected to the water tap 15 and the liquid shut-off device 14.

Reference numeral 26 denotes a flexible suction hose detachably connected to the first suction port 4, 27 denotes a dust collection case provided at the tip of the suction hose 26, and 28 denotes a dust collection detachably provided to the dust collection case 27. A nozzle, 29 is a dust filter provided in the dust collecting case 27 at a connection with the suction hose 26, 30 is a dust check valve, and 31 is a dust takeout port.

The operation of the gas-liquid injection type cleaning apparatus constructed as described above in the cleaning operation mode will be described. FIG.
As shown in (1), the user first switches the switching knob 6 to the cleaning operation mode. The outer cylindrical member 5 rotates so that the cylindrical member holes 3a to 3g and the outer cylindrical member holes 5a to 5g match (see FIG. 4), and the second suction port 8 and the inside of the cylindrical member 3 are connected. Communicate. Further, since the opening / closing lid 4a of the first suction port 4 is closed, the liquid blocking device 14 is in an open state.

Next, when the water tap 15 is opened and a switch (not shown) of the turbo-type blower 2 is turned on, air is taken in from the second gas inlet 8 by the high-speed rotation of the turbo-type blower 2, and dust is collected. Filter 9, outer cylindrical member holes 5a-5
g, passing through the cylindrical member holes 3a to 3g, passing through the exhaust port 1a to the exhaust passage 10, and a high-speed gas flow is injected from the injection nozzle 11. At the same time, tap water from the tap 15 is sent to the hose 16 via the liquid blocking device 14 and discharged from the liquid nozzle 13. At this time, the tap water discharged and discharged from the liquid nozzle 13 located inside the injection nozzle 11 is blown off by the high-speed gas flow injected from the injection nozzle 11 to become a water droplet flow. Therefore, the high-speed gas mixture flow A (water droplet flow + gas flow) is injected from the injection nozzle 11.

The user holds the injection nozzle 11 of the gas-liquid injection type cleaning apparatus that operates as described above, and points the injection nozzle 11 at the cleaning surface of the object to be cleaned. The gas mixture flow A collides with the cleaning surface, and by the impact force of the high-speed water droplet flow and the high-speed gas flow, the water droplets attached to the cleaning surface are carried to the end along the cleaning surface, and the dirt adhering to the cleaning surface is removed. Peel and wash.

Next, the operation when the gas-liquid jet type cleaning device is used in the vacuum cleaner operation mode will be described. First, the opening / closing lid 4a is opened, and the suction hose 17 is inserted and connected into the first gas suction port 4 (see FIG. 3). At this time, the opening of the opening / closing lid 4a is sensed by, for example, the microswitch 4b, and the liquid shut-off device 14 is closed based on the sensing result. Then, the switching knob 6 of the outer tubular member 5 is switched to the vacuum cleaner operation mode. As shown in FIG. 5, the positions of the cylindrical member holes 3a to 3g and the outer cylindrical members 5a to 5g do not coincide with each other, and the second suction port 8
And the inside of the tubular member 3 are shut off, and the suction hose 17 connected to the first suction port 4 communicates with the inside of the tubular member 3. The user holds the dust collecting nozzle 19 by hand and cleans the cleaning surface with the dust collecting nozzle 19 in the same manner as the nozzle portion of a normal vacuum cleaner.

The dust sucked by the dust collecting nozzle 19 is
The dust caught and sucked by the dust collection filter 20 in the dust collection case 18 is collected in the dust collection case 18, and the dust is removed from the dust outlet 22 and discarded.

Embodiment 2 FIG. 6 and 7 are a vertical sectional view in a cleaning operation mode and a vertical sectional view in a vacuum cleaner operation mode showing the gas-liquid injection cleaning device according to the second embodiment of the present invention.
FIG. 9 is an enlarged sectional view of the suction hose insertion portion of FIG. 7, and FIGS.
6 is a top view of the slide lid portion and an enlarged perspective view of the slide lid as viewed from the direction of arrow A in FIG. 6, and FIGS. 11 and 12 are arrows B in FIG.
It is the front view of the ventilation mouth lid seen from, and the expansion perspective view of the ventilation mouth lid part. Reference numeral 1 denotes a motor storage case in which a turbo-type blower 2 is stored.
b. Reference numeral 3 denotes an upper part of the turbo blower 2 in the motor storage case 1, that is, an opening 1 of the motor storage case 1.
b, a plurality of cylindrical member holes 3a to 3g (see FIGS. 4 and 5) are provided on the outer periphery of the cylindrical member. 4
Is a first suction port provided on the upper surface of the cylindrical member 3, and 5 is an outer cylindrical member which covers the outer periphery of the cylindrical member 3 and is rotatably mounted through the first suction port 4. A plurality of outer cylindrical member holes 5 communicating with the cylindrical member holes 3a to 3g are provided on the outer periphery.
a to 5g (see FIGS. 4 and 5).

Reference numeral 6 denotes a switching knob formed integrally with the outer tubular member 5 to rotate the outer tubular member 5, and the switching knob 6 switches between a cleaning operation mode and a vacuum cleaner operation mode. At this time, the switching knob 6 is rotated so that the cylindrical member holes 3a to 3g and the outer cylindrical upper member holes 5a to 5g coincide with each other (see FIG. 4). ~ 3g and outer cylinder upper member hole 5a ~ 5g
Are not matched with each other (see FIG. 5).

Reference numeral 7 denotes a cover which is larger than the outer periphery of the motor storage case 1, penetrates the first suction port 4 and is attached to the outermost periphery of the motor storage case 1. Reference numeral 8 denotes a second suction port formed between the side surface of the motor storage case 1 and the cover 7, and is always open. 9 is a filter attached to the second suction port 8.

Reference numeral 10 denotes a flexible air passage having one end connected to the air outlet 1a, 11 denotes an injection nozzle connected to the other end of the air passage 10, and 12 denotes a substantially central portion of the air passage 10. The liquid nozzle 13 is connected to one end of the arranged flexible liquid passage, and the other end is connected to the liquid shut-off device 14. Reference numeral 15 denotes a water tap, and 16 denotes a hose connecting the water tap 15 and the liquid shut-off device 14.

Reference numeral 17 denotes a slide lid for closing the first suction port 4 penetrating the cover 7, which is normally closed, and which is slid to communicate with the first suction port 4. A hole 17a is formed. Reference numeral 18 denotes a knob for sliding the slide cover 17, reference numeral 19 denotes a guide rib provided when the slide cover 17 provided on the upper surface of the cover 7 is slid, and reference numeral 20 denotes a second cover provided side by side above the exhaust port 1a of the motor storage case 1. Exhaust port, 21 is the second exhaust port 20
Exhaust lid 22 for closing, slide lid 17 and exhaust lid 21
Reference numeral 23 denotes a support for guiding the wire 22.

Reference numeral 24 denotes a guide groove for moving the position of the switching knob 6 of the outer cylindrical member 5 to the vacuum cleaner operation mode position, and reference numeral 25 denotes a guide rib provided on the cover 7 when the exhaust cover 21 slides.

Reference numeral 26 denotes a flexible suction hose connected to the first suction port 4, reference numeral 27 denotes a dust collecting case provided at the tip of the suction hose 26, reference numeral 28 denotes a dust collecting nozzle detachably provided to the dust collecting case 27, 29 is a suction hose 2 in the dust collecting case 27.
A dust collection filter provided at a connection portion with 6, a dust check valve 30 and a dust take-out port 31 are provided.

The operation in the cleaning operation mode of the gas-liquid injection type cleaning apparatus configured as described above will be described. FIG.
As shown in the figure, the switching knob 6 is in the cleaning operation mode, and the cylindrical member holes 3a to 3g and the outer cylindrical member holes 5a to 5g are provided.
g coincides (see FIG. 4), and the second suction port 8 communicates with the inside of the tubular member 3. Then, when the water tap 15 is opened and a switch (not shown) of the turbo-type blower 2 is turned on, the turbo-type blower 2 rotates at a high speed and air is taken in from the second suction port 8, and the filter 9, the outer cylinder Hole 5a-5
g, the air passes through the cylindrical member holes 3a to 3g, passes through the exhaust port 1a, is blown to the air passage 10, and a high-speed gas flow is injected from the injection nozzle 11. At the same time, tap water from the tap 15 is sent to the hose 16 via the liquid blocking device 14 and discharged from the liquid nozzle 13. At this time, the tap water discharged and discharged from the liquid nozzle 13 located inside the injection nozzle 11 is blown off by the high-speed gas flow injected from the injection nozzle 11 to become a water droplet flow. Therefore, the high-speed gas mixture flow A (water droplet flow + gas flow) is injected from the injection nozzle 11.

The user holds the injection nozzle 11 of the gas-liquid injection type cleaning device that operates as described above, and points the injection nozzle 11 at the cleaning surface of the object to be cleaned. The gas mixture flow A collides with the cleaning surface, and by the impact force of the high-speed water droplet flow and the high-speed gas flow, the water droplets attached to the cleaning surface are carried to the end along the cleaning surface, and the dirt adhering to the cleaning surface is removed. Peel and wash.

Next, the operation when the gas-liquid injection type cleaning device is used in the vacuum cleaner operation mode will be described. First, the knob 18 of the slide lid 17 is slid in the direction of arrow C shown in FIG. When the slide lid 17 is slid in the direction of arrow C, as shown in FIG. 9, the first suction port 4 and the communication hole 17a are aligned and communicate with each other. The suction hose 26 is inserted and connected into the first suction port 4 connected to the first suction port 4 (see FIG. 8). At this time, the exhaust port lid 21 connected to the slide lid 17 by the wire 22 moves simultaneously, and the second exhaust port 20 is opened (see FIG. 12). This is the exhaust port 1a
The loss at the time of exhaustion, which is increased by the long tubular air passage 10 connected to the second exhaust port, is reduced by the opening of the second exhaust port.

Further, when the slide lid 17 is slid, the switching knob 6 of the outer tubular member 5 is moved by the guide groove 24 as shown by a broken arrow in FIG. 9 and automatically switched to the vacuum cleaner operation mode position. As shown in FIG. 5, the outer cylindrical member holes 5a to 5g and the cylindrical member holes 3a to 3g are set at positions that do not coincide with each other, and the second gas inlet 8 and the cylindrical member 3
The inside is shut off, and the suction hose 26 connected to the first gas suction port 4 communicates with the inside of the tubular member 3. The user holds the dust collecting nozzle 28 by hand and cleans the cleaning surface with the dust collecting nozzle 28 in the same manner as the nozzle portion of a normal vacuum cleaner.

The dust sucked by the dust collecting nozzle 28 is
The dust collected and sucked by the dust collection filter 29 in the dust collection case 27 is stored in the dust collection case 27, and the dust is taken out from the dust outlet 31 and discarded.

[0033]

Since the present invention is configured as described above, it has the following effects.

The dust collection case is detachably attached to the suction port and the liquid in the liquid passage is shut off.
It is possible to obtain a gas-liquid jet cleaning device capable of collecting dust such as paper waste in a dust collection case by using the suction force of the suction port.

Also, a dust collecting filter is attached to a second suction port provided on the exhaust side of the blower, a dust collecting case is attached to the suction port, and the suction port communicating with the blower is switched to the second suction port by switching means. Since it is possible to switch to the cleaning mode, the cleaning operation mode and the vacuum cleaner operation mode can be selected, and a gas-liquid jet cleaning device that is easy to use can be obtained.

An opening / closing lid is attached to the suction port, and when the switching means is in the vacuum cleaner operation mode, the opening / closing lid is opened, so that the work corresponding to the vacuum cleaner operation mode is simplified and the gas-liquid is easy to use. A spray cleaning device can be obtained.

An exhaust port is provided on the exhaust side of the blower, and an exhaust lid is attached to the exhaust port. When the switching means is in the vacuum cleaner operation mode, the exhaust lid is opened. The wind pressure loss which becomes large
It is possible to obtain a gas-liquid jet cleaning apparatus that can reduce the amount of exhaust gas by opening the exhaust port and that can perform efficient vacuum cleaner operation with good suction power.

Further, the opening and closing of the exhaust lid is linked with the opening and closing of the lid of the suction port, and when the switching means is in the vacuum cleaner operation mode, both the lid and the exhaust lid are opened. The corresponding operation is simplified, and a convenient gas-liquid jet cleaning device can be obtained.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a gas-liquid injection cleaning device according to Embodiment 1 of the present invention in a cleaning operation mode.

FIG. 2 is a vertical cross-sectional view of the gas-liquid injection cleaning device according to Embodiment 1 of the present invention in a vacuum cleaner operation mode.

FIG. 3 is an enlarged sectional view of a main part of the gas-liquid jet cleaning apparatus according to the first embodiment of the present invention.

FIG. 4 is a cross-sectional view of a main part of the gas-liquid jet cleaning device according to the first embodiment of the present invention.

FIG. 5 is a cross-sectional view of a main part of the gas-liquid jet cleaning device according to the first embodiment of the present invention.

FIG. 6 is a longitudinal sectional view of a gas-liquid injection cleaning device according to Embodiment 2 of the present invention in a cleaning operation mode.

FIG. 7 is a vertical cross-sectional view of a gas-liquid jet cleaning apparatus according to Embodiment 2 of the present invention in a vacuum cleaner operation mode.

FIG. 8 is an enlarged sectional view of a main part of a gas-liquid jet cleaning apparatus according to a second embodiment of the present invention.

FIG. 9 is a top view of a main part of a gas-liquid jet cleaning apparatus according to a second embodiment of the present invention.

FIG. 10 is a perspective view of a main part of a gas-liquid jet cleaning apparatus according to a second embodiment of the present invention.

FIG. 11 is a front view of a main part of a gas-liquid jet cleaning apparatus according to a second embodiment of the present invention.

FIG. 12 is an enlarged perspective view of a main part of a gas-liquid jet cleaning apparatus according to Embodiment 2 of the present invention.

FIG. 13 is a longitudinal sectional view showing a conventional gas-liquid jet cleaning device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Motor storage case, 1a exhaust port, 1b opening part, 2 turbo type blowers, 3 cylinder upper members, 3a-3g
Cylinder upper member hole, 4 nozzle mounting gas inlet, 5 outer cylinder upper member, 5a to 5g outer cylinder upper member hole, 6 switching knob,
Reference Signs List 7 cover, 8 suction port, 9 dust collection filter, 10 ventilation passage, 11 injection nozzle, 12 liquid passage, 13 liquid nozzle, 14 liquid shutoff device, 15 water tap, 16
Hose, 17 Slide lid, 17a Communication hole, 18
Knob, 19 guide rib, 20 second exhaust port, 21 exhaust cover, 22 wire, 23 support, 24 guide groove, 25 guide rib, 26 suction hose, 27 dust collecting case, 28 dust collecting nozzle, 29 dust collecting filter , 30
Garbage check valve, 31 Garbage outlet.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Shinji Kobayashi 1728-1, Komaeda, Hanazono-cho, Osato-gun, Saitama Prefecture Mitsubishi Electric Home Equipment Co., Ltd.

Claims (5)

[Claims] 1. A turbo type air blower, a tubular air blowing passage connected to the exhaust side of the air blower and having an injection nozzle mounted at the end, and a liquid nozzle at one end connected to a liquid supply source and having the liquid nozzle at the end positioned within the injection nozzle. And a tubular liquid passage made to
In a gas-liquid jet cleaning device that injects a mixed flow of liquid and gas from the tip of an injection nozzle by rotation of the turbo-type blower, a dust-collecting case with a built-in dust-collecting filter is detachably connected to the suction port of the turbo-type blower. In addition, when the dust collecting case is connected to the suction port, the supply of the liquid to the liquid nozzle is shut off in conjunction with the connection operation. 2. A turbo-type blower, a tubular air-blowing passage connected to the exhaust side of the blower and having an injection nozzle attached to the tip, and a liquid nozzle at one end connected to a liquid supply source and having the liquid nozzle at the tip positioned within the injection nozzle. And a tubular liquid passage made to
In a gas-liquid jet cleaning device that injects a mixed flow of liquid and gas from the tip of an injection nozzle by rotation of the turbo-type blower, a dust-collecting case with a built-in dust-collecting filter is detachably connected to the suction port of the turbo-type blower. A second suction port is provided in the blower, and a dust collection filter is attached to the second suction port, and a vacuum cleaner operation mode in which the blower communicates with the suction port side, and the blower and the second suction port side communicate with each other. Switching means for switching to any one of the communication cleaning operation modes, and when the switching means is in the vacuum cleaner operation mode, the supply of the liquid to the liquid nozzle is shut off. Cleaning equipment. 3. A gas-liquid jet cleaning apparatus according to claim 1, wherein said opening / closing lid is attached to said suction port, and said opening / closing lid is opened when said switching means is in a vacuum cleaner operation mode. apparatus. 4. An exhaust port is provided on the exhaust side of the blower, and an exhaust lid is attached to the exhaust port, and the exhaust lid is opened when the switching means is in a vacuum cleaner operation mode. The gas-liquid jet cleaning device according to claim 2 or 3, wherein 5. The gas-liquid jet cleaning device according to claim 4, wherein the exhaust lid is opened and closed in conjunction with opening and closing of the opening and closing lid of the suction port.