JPH11342186A - Liquid disinfectant spray device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid disinfectant spray device of improved usability and reduced running cost by disconnecting a pump side route of a supply passage when pressure in a nozzle side route of the supply passage becomes lower than a specified pressure. SOLUTION: In the case where a liquid disinfectant discharge port is not completely closed because of foreign matter such as dust caught between a check valve 25 and port edge of the liquid disinfectant discharge port in closing the liquid disinfectant discharge port by the check valve 25, liquid disinfectant in a nozzle side route 43 of a supply passage 40 on one side of a disconnecting valve 45 is discharged from a nozzle, but since the disconnecting valve 45 disconnects a pump side route 42 of the supply passage 40, discharge of liquid disinfectant on the side of a pump 50 can be prohibited, thereby discharge of liquid disinfectant can be restricted to be little.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mounted on an upright wall or the like, has a case, a nozzle, and has a tank, a supply path, and a pump inside the case, and the pump supplies the disinfecting liquid in the tank. The present invention relates to a disinfecting solution jetting device which is fed to a nozzle through a path and jets a disinfecting solution from the nozzle.

[0002]

2. Description of the Related Art Conventionally, this type of disinfectant spraying device is installed on a wall of a restroom such as a food factory, a restaurant or a hospital, and is used by employees and general customers. And the disinfecting liquid in the tank is ejected from the nozzle. The disinfecting liquid in the tank enters the casing through the suction pipe of the pump, and is sent from the inside of the casing to the nozzle through the supply pipe, which is a discharge pipe and a tube.

For example, when 3 cc of the disinfecting solution is ejected in 3 seconds, the pump stops operating, and when the pressure in the tube decreases, the check valve in the nozzle closes the disinfecting solution outlet and shuts off the supply path. It is supposed to.

[0004]

However, in such a conventional disinfecting solution jetting device, foreign matter such as dust is fed into the nozzle together with the disinfecting solution, and the foreign matter adheres to the rim of the disinfecting solution outlet. When the check valve closes the disinfectant outlet, foreign matter is caught between the rim of the disinfectant outlet and the check valve, and the disinfectant outlet cannot be completely closed, and the disinfectant flows out of the nozzle. Subsequently, a case occurs in which all the disinfecting liquid in the tank flows out.

[0005] The disassembly and cleaning work of the nozzle for removing foreign matter or the work of injecting the disinfectant into the tank is frequent, which is not convenient and the consumption of the disinfectant increases,
There was a problem that running cost became high.

The present invention has been made in view of the above-mentioned problems of the prior art. When the pressure in the path on the nozzle side of the supply path becomes lower than a predetermined pressure, the supply path is prevented. It is an object of the present invention to provide a disinfecting solution jetting device that cuts off a path on a pump side, eliminates unnecessary outflow of a disinfecting solution, improves usability, and reduces running costs.

[0007]

The gist of the present invention to achieve the above object lies in the following inventions. [1] It is installed on an upright wall or the like and includes a case (10) and a nozzle (20), and has a tank (30), a supply path (40), and a pump (50) inside the case (10). A disinfecting solution jetting device in which a pump (50) sends the disinfecting solution in the tank (30) to the nozzle (20) through the supply path (40), and jets the disinfecting solution from the nozzle (20). In the above, the supply path (40)
A shutoff valve (45) is interposed in the middle of the supply path (4) with the shutoff valve (45) as a boundary.
When the pressure in the path (43) of the nozzle (20) on the side of (0) becomes lower than a predetermined pressure, the path (42) of the supply path (40) on the pump side with respect to the shutoff valve (45). A disinfecting solution jetting device characterized by shutting off air.

[2] The shut-off valve (45) is connected to the nozzle (20) side when the pressure of the path (43) on the nozzle (20) side of the supply path (40) becomes lower than a predetermined pressure. The disinfecting solution jetting device according to [1], wherein the air is introduced into (43) and the path (42) on the side of the pump (50) is shut off.

[3] The disinfection according to [1] or [2], wherein the shut-off valve (45) is located above a level of the disinfecting liquid in the tank (30). Liquid ejection device.

[4] The nozzle (20) is provided with a check valve (2)
5), wherein the check valve (25) is provided with the shut-off valve (4).
5) When the pressure in the path (43) of the supply path (40) on the nozzle (20) side becomes lower than a predetermined pressure, the path of the supply path (40) on the nozzle (20) side The disinfecting solution jetting device according to the item [1], [2] or [3], wherein the disinfecting solution is ejected.

[5] The disinfectant according to [2] or [3], wherein the passage (43) on the nozzle side has a smaller sectional area in the passage than the passage (42) on the pump side. Spouting device.

[6] The pump (50) has a casing (52), a motor case (58), a partition wall (59), an impeller (53), and a drive magnet (54).
The casing (52) communicates with the tank (30) and the supply path (40), and the impeller (53)
The impeller (53) has magnetism, and the motor case (58) includes the impeller (53).
The partition (59) separates the inside of the casing (52) from the inside of the motor case (58) [1]. The disinfecting solution jetting device according to the item.

[7] The nozzle (20) is disposed below the case (10), and the tank (30)
Is disposed on an upper portion of the case (10), and the pump (50) is disposed below the tank (30). .

Next, the operation of the invention described in each of the above items will be described. In one configuration of the present invention, the antiseptic solution jetting device is mounted on, for example, a wall of a restroom. The disinfecting solution jetting device installed on the wall in this manner is a pump (5
When power is supplied to the nozzle (0), the pump (50) is operated, and the disinfecting liquid in the tank (30) is sent to the nozzle (20) through the supply path (40), and is ejected downward from the nozzle (20). Is done. At this time, the shutoff valve (45) interposed in the middle of the supply path (40) is in a state where the supply path (40) is open.

When the operation of the pump (50) is stopped, the pressure in the passage (43) of the supply path (40) on the nozzle (20) side becomes lower than a predetermined pressure at the boundary of the shut-off valve (45). (45) is a supply path (4) bordering on the shutoff valve (45).
The path (42) on the pump side of 0) is shut off.

When the check valve (25) closes the disinfectant solution outlet, foreign matter such as dust is caught between the check valve (25) and the edge of the disinfectant solution outlet, and the disinfectant solution outlet is completely closed. When the disinfectant is not closed, the disinfectant in the passage (43) on the nozzle (20) side of the supply passage (40) with the shut-off valve (45) as a boundary is discharged from the nozzle (20).
The shut-off valve (45) is connected to the supply passage (40)
Since the path (42) on the pump side is blocked, the outflow of the disinfectant on the pump (50) side can be prevented, and the outflow of the disinfectant can be suppressed to a small amount.

In another configuration of the present invention, the pump (5
When power is supplied to the pump (50), the pump (50) is operated, and the disinfectant in the tank (30) is supplied to the pump (5) in the supply path (40).
It is fed into the nozzle (20) through the path (42) on the 0) side, the shutoff valve (45), and the path (43) on the nozzle (20) side, and is ejected downward from the nozzle (20). At this time, the shutoff valve (45) is in a state where the supply path (40) is open. When the pump (50) stops operating, the nozzle (2)
The pressure in the path (43) on the 0) side becomes lower than the predetermined pressure, and the shut-off valve (45) is switched to the path (42) on the pump (50) side.
Cut off.

When the check valve (25) closes the disinfectant outlet, foreign matter such as dust is caught between the check valve (25) and the rim of the disinfectant outlet, and the disinfectant outlet is completely closed. If the disinfectant is not closed, the disinfectant in the passage (43) on the nozzle (20) side may flow out of the nozzle (20).
In order to introduce air into the path (43) on the 0) side and to shut off the path (42) on the pump (50) side by the shutoff valve (45), the outflow of the disinfectant on the pump (50) side is controlled. Therefore, the outflow of the disinfectant can be suppressed to a small amount.

Further, in another configuration of the present invention, since the shut-off valve (45) is located above the level of the disinfecting solution in the tank (30), the shut-off valve (45) is temporarily provided on the pump side. Even if the path (42) is not sufficiently blocked, for example, if air is introduced into the path (43) on the nozzle (20) side,
The liquid level of the disinfectant in the shutoff valve (45) drops to the liquid level of the disinfectant in the tank (30), and the disinfectant in the shutoff valve (45) returns to the path on the pump (50) side. The disinfectant does not flow from the path on the pump (50) side through the shut-off valve (45) to the path (43) on the nozzle (20) side. Can be completely blocked.

Further, in another configuration of the present invention, when the operation of the pump (50) is stopped, the pressure in the path (43) of the supply path (40) on the nozzle (20) side with the shutoff valve (45) as a boundary. Becomes lower than the predetermined pressure, the check valve (25) in the nozzle (20) closes the antiseptic solution outlet, whereby the antiseptic solution in the passage (43) on the nozzle (20) side and the supply path ( The outflow of the disinfecting solution in the path (42) on the pump side of (40) can be suppressed.

Further, in another configuration of the present invention, when the check valve (25) in the nozzle (20) does not completely close the disinfectant outlet, the path (43) on the nozzle (20) side is not provided. The disinfectant flows out of the nozzle (20).
The path (43) on the side is the path (42) on the side of the pump (50).
Since the cross sectional area in the road is smaller, the outflow of the disinfecting liquid can be suppressed to a small amount.

Further, in another configuration of the present invention, the motor of the pump (50) operates to drive the drive magnet (54).
Drives the impeller (53) inside the casing (52). When the impeller (53) interlocks, the disinfecting liquid enters the inside of the casing (52) from the tank (30), is sent from the inside of the casing (52) to the nozzle (20) through the supply path (40), and It is ejected downward from 20). At this time, the disinfecting solution passes through the inside of the casing (52).
8) Since the inside is isolated by the partition wall portion (59), the electric system and the flow path of the disinfecting solution are completely separated, the watertightness is enhanced, and a short circuit of the electric system can be prevented.

Further, according to another configuration of the present invention, a water channel system represented by a tank (30) disposed above the case (10) and a pump (50) disposed below the case (10). A representative electric system can be distinguished from the electric system, and it is possible to prevent the disinfectant from entering the electric system, thereby preventing a short circuit in the electric system due to the entry of the disinfectant.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Each drawing shows an embodiment of the present invention. The disinfecting solution jetting device according to the present embodiment is installed on a standing wall of a restroom of a food factory, restaurant, hospital, or other building, and is used by employees and general customers. Generally, a wash basin is arranged below the disinfecting solution jetting device.

As shown in FIGS. 1 to 3, the disinfecting solution jetting device includes a case 10 and a nozzle 20. Inside the case 10, a tank 30, a supply path 40, and a pump 50 are provided. The pump 50 feeds the disinfecting solution in the tank 30 to the nozzle 20 through the supply path 40, and jets the disinfecting solution downward from the nozzle 20.

The case 10 has a front case 11 and a rear case 12 that are fitted from the front and back, and are formed in a box shape. In the front case 11, a disinfectant liquid level confirmation window 210 is opened. The disinfectant liquid level confirmation window 210 is
Blocked by one. The upper opening of the case 10 has a cover 13
It is closed by.

A partition member 70 is interposed between the front case 11 and the rear case 12, and the housing space inside the case 10 is vertically separated by the partition member 70. The outer peripheral edge of the partition member 70 is formed with a peripheral flange 76 along each inner surface of the front case 11 or the rear case 12. Peripheral flange 76 of partition member 70 and front case 11
Alternatively, a gap between each inner surface of the back case 12 and the inner surface of the back case 12 is closed by a seal member 77. The peripheral flange 76 of the partition member 70 is connected to the front case 11 and the rear case 1.
2 screwed.

The upper housing space 10a houses the tank 30, and the lower housing space 10b houses the electric system such as the pump 50 and the switchboard 61. The switchboard 61 is screwed to a boss protruding from the inner wall surface of the rear case 12.

An inlet 33 is provided on the upper surface of the tank 30. A strainer 130 is fitted to the edge of the inlet 33, and the strainer 130 and a cap 135 for closing the inlet 33 are integrally formed. The strainer 130 has an outer cylindrical portion 13 that fits around the outer periphery of the inlet 33.
6, a mesh portion 137 to be fitted inside the injection port 33, and
It has a saucer 138 for guiding the disinfecting solution to the mesh 137.

As shown in FIG. 2, the partition member 70 is provided with an inflow port 71 and a pilot hole 72. Partition member 7
The upper surface of 0 is inclined downward toward the inflow port 71, so that it can easily flow. One end, which is the upper end of the discharge path 18, is continuous with the inflow port 71 of the partition member 70. The discharge passage 18 has a passage extending downward, and the other end, which is the lower end of the discharge passage 18, is continuous with an outlet 18 a opened on the rear surface of the rear case 12.

The pilot hole 72 is opened corresponding to the outlet pipe 32 of the tank 30. A peripheral flange 73 is provided on the periphery of the pilot hole 72. The peripheral flange 73 protrudes toward the lower surface of the tank 30. The gap between the upper edge of the peripheral flange 73 and the lower surface of the tank 30 is a seal member 7
Blocked by 5.

As shown in FIGS. 1 to 3, a tubular guide passage 110 is formed inside the case 10. The guide passage 110 is formed integrally with the rear case 12 and is a passage for drawing the power cord 62 into the case 10. The guide passage 110 has an inlet 111 and an outlet 112 at both ends thereof. The inlet 111 of the guide passage 110 is opened on the back surface of the rear case 12, and the bush 62b of the power cord 62 is fitted therein. Also, the outlet 112 of the guide passage 110
Are opened upward, that is, in the direction of the switchboard 61 arranged at the upper position.

The guide passage 110 comprises a draw-in side portion 113 from the inlet 111 to an intermediate portion between the inlet 111 and the outlet 112, and a draw-out side portion 114 from the intermediate portion to the outlet 112. The tube central axis of the side portion 113 extends substantially horizontally toward the inside of the case 10, and the tube central axis of the drawer side portion 114 extends obliquely upward toward the inside of the case 10. A pair of bosses 115 and 116 are provided on the outer periphery of the guide passage 110 and in the vicinity thereof. A connector 66 is fixed to the pair of bosses 115 and 116.

The case 10 which is the lower surface of the rear case 12
An accommodation recess 16 is formed in the lower part 14 of the lower surface of the housing. The housing recess 16 is recessed upward and has a power cord 6.
2 can be accommodated in a folded state. A clip 62a is provided on the lower rear portion 14, and the power cord 62 in a folded state can be bound. A power switch 17 which is a rocker switch is mounted on the wall surface of the housing recess 16. A power supply means socket (not shown) is provided on the upright wall, and a power cable (not shown) is connected to the socket. A plug provided at one end of the power cord 62 is connected to the socket of the power supply means. The other end of the power cord 62 is the
From 11, it passes through the guide passage 110 and is drawn out from the outlet 112 into the apparatus. The other end of the drawn power cord 62 is connected to the connector 66. The power distribution board 61 is connected to the connector 66 to which power is supplied via a power switch.

As shown in FIG. 1, a lower hole 16a is provided in the lower surface of the housing recess 16, and the lower hole 16a is
At the time of molding 2, it is closed by the lid 16b, and the periphery of the hole 16a and the periphery of the lid 16b are connected by a thin portion 16c. Inside the case 10, a power supply socket (not shown), which is a service outlet, is provided corresponding to the lid 16b. The power supply socket is connected to the connector 66. In a disinfecting solution jetting device of the type using a socket for power supply, the lower hole 16a
The lid 16b closing the cover is removed, and a plug (not shown) of another electric device can be inserted into a power supply socket through the opened pilot hole 16a.

A nozzle 20 is screwed to a front portion 15 on the lower surface of the front case 11 of the case 10. The nozzle 20 is
It is inserted into the lower hole 15 a of the rear case 12 and is fixed by a screw that is screwed into a screw hole of the boss 15 b of the rear case 12.

As shown in FIG. 8, the nozzle 20 includes a nozzle head 21, a joint pipe 22, a rotating fitting 23, a bearing 24, a check valve 25, and a spring member 26.
The lower end of the joint pipe 22 is fitted into the fitting recess of the nozzle head 21, and a male screw formed at the lower end of the joint pipe 22 is screwed into a female screw formed on the inner wall of the fitting recess. The entrance of the fitting recess of the nozzle head 21 is formed in a tapered shape so that the joint pipe 22 can be easily fitted. A downward path 43 is connected to the upper end of the joint pipe 22. A bearing 24 is fitted into the nozzle head 21, and the bearing 24 rotatably supports the upper end of the rotating bracket 23. A spiral groove is formed on the outer periphery of the lower end of the rotating bracket 23. The check valve 25 is provided with a spring member 26 in a direction for closing the disinfecting solution outlet 22a of the joint pipe 22.
Powered by

A window glass 64 is fitted into the lower front part 15 behind the nozzle 20. An infrared sensor 65 is provided inside the case 10 so as to correspond to the window glass 64. Similarly, the infrared sensor 65 is fixed by a screw screwed into a screw hole of the boss 15c. Pump 5
The power supply terminal of the motor No. 0 and the infrared sensor 65 are connected to the switchboard 61 by a wiring member.

The outlet pipe 32 of the tank 30 is connected to the suction pipe 55 of the pump 50 via the connecting pipe 41,
The discharge pipe 56 is provided with a shut-off valve 45 serving as a vacuum breaker through the upward path 42 which is a large-diameter tube of the supply path 40.
, And the shutoff valve 45 is connected to the nozzle 20 via a downward path 43 which is a small-diameter tube of the supply path 40.

As shown in FIG. 4 and FIG.
Has an isolating portion 59, and the isolating portion 59 includes a casing 52.
The motor case 58 is isolated from the motor case 58 to improve the water tightness of the motor case 58. An impeller 5 is provided in the casing 52.
3 is provided, and the impeller 53 sends out the disinfecting liquid flowing into the casing 52 through the suction pipe 55 of the casing 52 from the discharge pipe 56 to the upward path 42 of the supply path 40. The impeller 53 has a magnet fitted therein. A drive magnet 54 for linking the impeller 53 is accommodated in the motor case 58. Drive magnet 5
4 is fixed to the output shaft of the motor 51.

As shown in FIG. 1, a support bracket 57 is provided to support the pump 50. The support bracket 57 includes an annular portion 57a and an extended portion 57b. The annular portion 57a is fitted to the motor 51 of the pump 50, and an engaged portion 57c formed at the tip of the extended portion 57b.
Are firmly fitted into the fitting grooves 12c of the rear case 12.

As shown in FIG. 6 and FIG.
The valve body 46, the vertical connecting pipe 47a, the horizontal connecting pipe 47
b, a float valve 48 and a valve lid 49. The shutoff valve 45 is disposed at the highest position in the supply path 40 and higher than the level of the disinfecting liquid in the tank 20, and is screwed to the case 10.

A valve chamber is formed inside the valve body 46. The valve chamber of the valve body 46 communicates with an upper end of a vertical connecting pipe 47a and a proximal end of a horizontal connecting pipe 47b. The upward path 42 is connected to the lower end of the vertical connecting pipe 47a, and the downward path 43 is connected to the tip of the horizontal connecting pipe 47b.

The valve cover 49 covers the valve chamber of the valve body 46 from above. A guide hole 49a is formed in the lower surface of the valve cover 49 serving as a ceiling surface of the valve chamber. A small hole 49b communicating with the outside air is formed in the inner wall of the guide hole 49a.

The shaft 48a of the float valve 48 is loosely fitted in the guide hole 49a. Guide hole 49a and shaft 4
8a, the float valve 48 closes the guide hole 49a while opening the upper end of the vertical connecting pipe 47a, and opens the guide hole 49a and closes the vertical connecting pipe 47.
It is supported so as to be able to ascend and descend to a blocking position that closes the upper end opening of “a”.

The valve body 46 according to the pressure in the descending path 43
When the pressure in the valve chamber decreases, the float valve 48 descends to the shutoff position by its own weight, and the valve chamber of the valve body 46 communicates with the outside air through the small hole 49b and the guide hole 49a.
The upper end of the vertical connecting pipe 47a connected to the upward path 42 is closed to prevent the disinfecting liquid on the pump 50 side from flowing out to the nozzle 20 side.

In the disinfecting solution jetting device constructed as described above, when the hand is put out to a position below the nozzle 20, the infrared sensor 65 senses it and passes through the power cord 62 and the switchboard 61 to the motor 51 of the pump 50. Power is supplied to When the motor 51 of the pump 50 rotates, the impeller 53 in the casing 52 rotates, and the disinfecting liquid in the tank 30 is sent from the extraction pipe 32 into the casing 52 of the pump 50 through the connection pipe 41 and the suction pipe 55. Further, from the discharge pipe 56 of the pump 50, the ascending path 42 to the shutoff valve 45 to 45
The disinfecting solution sent to the nozzle 20 through the descending route 43 is jetted downward from the nozzle 20 and falls on the hand. When a predetermined time, for example, three seconds, elapses after the rotation of the motor 51, the motor 51 stops, and the ejection of the disinfectant from the nozzle 20 also stops.

When the check valve 25 closes the disinfectant solution outlet 22a, foreign matter such as dust is removed from the check valve 25 and the disinfectant solution outlet 22a.
When the disinfecting solution outlet 22a is not completely closed, the disinfecting solution in the descending path 43 flows out of the nozzle, but the shutoff valve 45 moves down to the shutoff position and the vertical connecting pipe 47a Since the upper end port of the pump 50 is closed and the upward path 42 is blocked, the outflow of the disinfectant on the pump 50 side to the downward path 43 can be prevented, and the outflow of the disinfectant can be suppressed to a small amount.

Further, the shut-off valve 45 is located above the level of the disinfecting solution in the tank 30, and the valve chamber in the shut-off valve 45 communicates with the outside air through the guide holes 49a and the small holes 49b. Since the pressure in the chamber is equal to the outside pressure,
Even if the shut-off valve 45 does not sufficiently close the upper end of the vertical connecting pipe 47a, the disinfectant on the ascending route 42 does not pass through the shut-off valve 45 and flow out to the descending route 43, so that the pump 5
The outflow of the disinfectant on the zero side can be completely prevented.

When the operation of the pump 50 is stopped, the down route 4
When the pressure in the nozzle 3 becomes lower than the predetermined pressure, the check valve 25 in the nozzle 20 closes the disinfectant outflow port 22a, and the check valve 25 prevents the disinfectant from flowing out on the downward path 43 side.

Even if the check valve 25 does not sufficiently close the disinfectant outlet 22a due to foreign matter that has entered the nozzle 20, even if the disinfectant leaks from the disinfectant outlet 22a, the pump 50 Since the outflow of the disinfectant on the side is completely prevented, only the disinfectant in the descending route 43 is supplied to the nozzle 2.
Since the downstream route 43 has a smaller cross-sectional area in the downstream route 43 than the upstream route 42, the outflow of the disinfecting solution can be suppressed to a small amount.

When the motor of the pump 50 operates, the tank 3
When the disinfectant in the tank 0 is fed from the pump 50 to the supply path 40, the disinfectant is removed from the extraction pipe 32 to the connection pipe 4 of the tank 30.
1 to the inside of the suction pipe 55 to the casing 52 of the pump 50 and sent to the supply path 40 from the discharge pipe 56 of the pump 50. Since the casing 52 and the inside of the motor case 58 are separated by the partition wall portion 59, The system and the flow path of the disinfecting solution are completely separated, the watertightness is enhanced, and a short circuit in the electric system can be prevented.

In the above embodiment, the shutoff valve 45 is interposed between the ascending route 42 and the descending route 43,
5 is disposed at a position higher than the liquid level of the disinfecting liquid in the nozzle 20,
In the shut-off position, the valve chamber of the shut-off valve 45 is connected to the outside air. However, the present invention is not limited to this, and when the pressure in the down route 43 becomes lower than a predetermined pressure, the up route 42 is closed. Any configuration may be used as long as it blocks the passage.

[0054]

As described above, in one configuration of the present invention, when the check valve closes the disinfectant outlet, foreign matter such as dust is interposed between the check valve and the rim of the disinfectant outlet. When the disinfectant outlet is not completely closed and the disinfectant in the nozzle of the supply path tries to flow out of the nozzle after the shut-off valve, the shut-off valve is Since the side path is blocked, the outflow of the disinfectant on the pump side can be prevented, and the outflow of the disinfectant can be suppressed to a small amount.

In another configuration of the present invention, when the check valve closes the disinfectant solution outlet, foreign matter such as dust is caught between the check valve and the rim of the disinfectant solution outlet, and the disinfectant solution is closed. When the outlet is not completely closed, air is introduced into the nozzle side path, and the shutoff valve shuts off the pump side path, so that the pump side disinfectant liquid can be prevented from flowing out. Outflow can be suppressed to a small amount.

Further, in another configuration of the present invention, since the shutoff valve is located above the level of the disinfecting liquid in the tank,
Even if the shut-off valve does not sufficiently shut off the path on the pump side, the disinfectant does not pass through the shut-off valve and does not flow out to the path on the nozzle side. Can be blocked.

Further, in another configuration of the present invention, when the check valve closes the disinfecting liquid outlet, if the pressure in the nozzle side of the supply path becomes lower than a predetermined pressure, the check valve is activated. Since the path on the nozzle side of the supply path is shut off, the outflow of the disinfectant in the path on the nozzle side and the disinfectant in the path on the pump side of the supply path can be prevented, and the outflow of the disinfectant can be suppressed. it can.

Further, in another configuration of the present invention, when the check valve in the nozzle does not completely close the disinfectant outflow port, the disinfectant in the path on the nozzle side flows out of the nozzle, while the disinfectant in the nozzle side flows out of the nozzle. Since the path has a smaller cross-sectional area in the path than the path on the pump side, the outflow of the disinfectant can be suppressed to a small amount.

Further, in another configuration of the present invention, the pump is operated, and the disinfecting liquid in the tank passes through the inside of the casing, but since the casing and the inside of the motor case are separated by the partition wall, the electric power is reduced. The system and the flow path of the disinfecting solution are completely separated, the watertightness is enhanced, and a short circuit in the electric system can be prevented.

Further, in another configuration of the present invention, the waterway system represented by the tank disposed at the upper part of the case is separated from the electric system represented by the pump disposed at the lower part of the case. In addition, it becomes difficult for the disinfectant to enter the electric system, and short-circuit of the electric system due to the entry of the disinfectant can be prevented.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of an antiseptic solution jetting device according to an embodiment of the present invention.

FIG. 2 is a front view showing the inside of the disinfecting solution ejection device according to the embodiment of the present invention, with the front surface removed.

FIG. 3 is a plan view of the disinfecting liquid ejection device according to the embodiment of the present invention, with a cover removed.

FIG. 4 is a front view of the pump according to the embodiment of the present invention.

FIG. 5 is a sectional view of a main part of the pump according to the embodiment of the present invention.

FIG. 6 is a sectional view of a main part of the shut-off valve according to one embodiment of the present invention.

FIG. 7 is a front view of the shut-off valve according to one embodiment of the present invention.

FIG. 8 is a sectional view of a main part of a nozzle according to one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Case 10a ... Upper accommodating space 10b ... Lower accommodating space 11 ... Front case 12 ... Rear case 14 ... Lower surface inner part 15 ... Lower surface front part 16 ... Housing concave part 18 ... Discharge path 18a ... Outlet 20 ... Nozzle 21 ... Nozzle head 22 ... Joint pipe 22a ... Disinfectant outlet 23 ... Rotating bracket 24 ... Bearing 25 ... Check valve 26 ... Spring member 30 ... Tank 32 ... Take out pipe 33 ... Injection port 40 ... Supply path 41 ... Connecting pipe 42 ... Up path 43 ... Down path 45 ... Shut-off valve 46 ... Valve body 47a ... Vertical connection pipe 47b ... Horizontal connection pipe 48 ... Float valve 48a ... Shaft 49 ... Valve lid 49a ... Guide hole 49b ... Small hole 50 ... Pump 51 ... Motor 52 ... Casing 53 ... Impeller 54 ... Drive magnet 55 ... Suction pipe 56 ... Discharge pipe 58 ... Motor case 59 ... Isolation part 61 ... Switchboard 62 ... Source cord 62a ... Clip 64 ... Window glass 65 ... Infrared sensor 70 ... Partition member 71 ... Inlet 72 ... Preparation hole 73 ... Peripheral flange 75 ... Seal member 110 ... Guide passage 111 ... Inlet 112 ... Outlet 113 ... Inlet side Part 114: Pull-out part 130: Strainer 135 ... Cap part 136 ... Outer cylinder part 137 ... Mesh part 138 ... Receiving part

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tsunetaka Hashimoto 100, Maeda-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture Inside (72) Inventor Yuji Fujie 100, Maeda-cho, Totsuka-ku, Yokohama-shi, Kanagawa Koito Kogyo Inside the corporation

Claims (7)

[Claims] 1. A case, a nozzle, which is installed on an upright wall or the like, has a tank, a supply path, and a pump inside the case, and the pump supplies the disinfectant in the tank with the nozzle through the supply path. In the disinfecting solution jetting device configured to discharge the disinfecting solution from the nozzle, the supply path includes a shutoff valve in the middle thereof, and the shutoff valve is provided with the shutoff valve as a boundary. A disinfecting solution jetting device, wherein when the pressure in the path on the nozzle side becomes lower than a predetermined pressure, the path on the pump side of the supply path is cut off with the shutoff valve as a boundary. 2. The shut-off valve according to claim 1, wherein when a pressure in a path on the nozzle side of the supply path becomes lower than a predetermined pressure, the shut-off valve introduces air into the path on the nozzle side and shuts off a path on the pump side. The disinfecting solution jetting device according to claim 1, wherein 3. The shut-off valve according to claim 1, wherein the shut-off valve is located above a level of the disinfecting liquid in the tank.
Or the disinfectant ejection device according to 2. 4. The non-return valve according to claim 1, wherein the non-return valve is provided when the pressure of a path on a nozzle side of the supply path below the shut-off valve becomes lower than a predetermined pressure. The disinfecting solution jetting device according to claim 1, wherein a route on a nozzle side of the road is blocked. 5. The disinfecting solution jetting device according to claim 2, wherein the path on the nozzle side has a smaller cross-sectional area in the path than the path on the pump side. 6. The pump has a casing, a motor case, a partition, an impeller, and a drive magnet, and the casing communicates with the tank and the supply path, and incorporates the impeller. The impeller has magnetism, the motor case incorporates the drive magnet for interlocking the impeller, and the partition part separates the inside of the casing from the inside of the motor case. The disinfecting solution ejection device according to claim 1, wherein: 7. The apparatus according to claim 7, wherein the nozzle is arranged at a lower part of the case, the tank is arranged at an upper part of the case, and the pump is arranged below the tank. The disinfectant ejection device according to claim 1.