JP3685928B2 - Disinfectant spray device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is installed on a standing wall or the like, and includes a case, a nozzle, a tank, a supply path, and a pump inside the case, and the pump passes the disinfectant solution in the tank through the supply path to the nozzle. The present invention relates to a disinfecting liquid ejecting apparatus that feeds and ejects a disinfecting liquid from the nozzle.
[0002]
[Prior art]
Conventionally, this type of disinfectant spray device has been installed on the walls of bathrooms in food factories, restaurants, hospitals, etc., and is used by employees and general customers. It is comprised so that a liquid may eject from a nozzle. The disinfectant in the tank enters the casing through the suction pipe of the pump, and is sent from the casing to the nozzle through a supply path that is a discharge pipe and a tube.
[0003]
For example, when 3 cc of disinfectant 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 disinfectant outlet and shuts off the supply path. It has become.
[0004]
[Problems to be solved by the invention]
However, in such a conventional disinfecting liquid ejecting apparatus, foreign substances such as dust are fed into the nozzle together with the disinfecting liquid, the foreign substances adhere to the rim of the disinfecting liquid outlet, and the check valve opens the disinfecting liquid outlet. When closing, foreign matter gets caught between the edge of the disinfectant outlet and the check valve, and the disinfectant outlet cannot be fully closed, so the disinfectant continues to flow out of the nozzle and all of the disinfectant in the tank The case where it leaks occurs.
[0005]
The problem is that the disassembly and cleaning of the nozzles to remove foreign matter or the injection of the disinfectant into the tank is frequent and unusable, the consumption of the disinfectant increases, and the running cost increases. was there.
[0006]
The present invention has been made paying attention to such problems of the prior art. When the pressure in the nozzle side of the supply path becomes lower than a predetermined pressure, the pump side of the supply path is provided. An object of the present invention is to provide a disinfecting liquid ejecting apparatus that blocks the path, eliminates wasteful discharge of the disinfecting liquid, improves usability, and reduces running costs.
[0007]
[Means for Solving the Problems]
The gist of the present invention for achieving the object lies in the inventions of the following items.
[1] A nozzle (20) having a case (10) and a check valve (25), which is installed on a standing wall or the like, includes a tank (30), a supply path (40), and a pump ( 50), and the pump (50) feeds the disinfecting liquid in the tank (30) to the nozzle (20) through the supply path (40), and ejects the disinfecting liquid from the nozzle (20). In the disinfectant spray device
The supply path (40) has a shut-off valve (45) in the middle thereof,
The shut-off valve (45) is provided when the pressure in the passage (43) on the nozzle (20) side of the supply passage (40) becomes lower than a predetermined pressure with the shut-off valve (45) as a boundary. The disinfecting liquid ejecting apparatus characterized in that the pump-side path (42) of the supply path (40) is cut off at (45) as a boundary.
[0008]
[2] The shutoff valve (45) is configured so that the nozzle (20) side path (43) when the pressure in the path (43) on the nozzle (20) side of the supply path (40) becomes lower than a predetermined pressure. The disinfectant spray device according to item [1], wherein air is introduced into the interior and the path (42) on the pump (50) side is blocked.
[0009]
[3] The disinfecting liquid ejection device according to [1] or [2], wherein the shut-off valve (45) is positioned above a liquid surface of the disinfecting liquid in the tank (30). .
[0011]
[4] The disinfecting liquid ejection device according to [2] or [3], wherein the nozzle side path (43) has a smaller cross-sectional area in the path than the pump side path (42).
[0012]
[5] 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 incorporates the impeller (53),
The impeller (53) has magnetism,
The motor case (58) incorporates the drive magnet (54) for interlocking the impeller (53),
The disinfecting liquid ejection device according to item [1], wherein the partition wall (59) separates the inside of the casing (52) from the inside of the motor case (58).
[0013]
[6] The nozzle (20) is arranged at a lower part of the case (10),
The tank (30) is arranged on the upper part of the case (10),
The disinfecting liquid ejection device according to item [1], wherein the pump (50) is arranged below the tank (30).
[0014]
Next, the operation of the invention described in each of the above items will be described.
In one configuration of the present invention, the disinfectant spray device is installed on the wall surface of a restroom, for example.
When the pump (50) is supplied with power to the disinfecting liquid ejection device installed on the wall in this way, the pump (50) is activated and the disinfecting liquid in the tank (30) passes through the supply path (40). It is sent to the nozzle (20) and ejected downward from the nozzle (20). 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 opened.
[0015]
When the pump (50) is deactivated, the pressure in the passage (43) on the nozzle (20) side of the supply passage (40) becomes lower than the predetermined pressure with the shut-off valve (45) as a boundary, and the shut-off valve (45) Shuts off the pump side path (42) of the supply path (40) with the shutoff valve (45) as a boundary.
[0016]
When the check valve (25) closes the disinfecting liquid outlet, foreign matter such as dust is caught between the check valve (25) and the mouth edge of the disinfecting liquid outlet, and the disinfecting liquid outlet is not completely closed. In this case, when the disinfectant in the passage (43) on the nozzle (20) side of the supply passage (40) flows out of the nozzle (20) with the shut-off valve (45) as a boundary, the shut-off valve (45) Since the path (42) on the pump side of the supply path (40) is shut off, the outflow of the disinfecting liquid on the pump (50) side can be prevented, and the outflow of the disinfecting liquid can be suppressed to a small amount.
[0017]
Further, in another configuration of the present invention, when power is supplied to the pump (50), the pump (50) is activated and the disinfecting liquid in the tank (30) is supplied to the pump (50) side of the supply path (40). It is sent to the nozzle (20) through the path (42), 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 passage (40) is opened. When the pump (50) is deactivated, the pressure in the passage (43) on the nozzle (20) side becomes lower than a predetermined pressure, and the shutoff valve (45) shuts off the passage (42) on the pump (50) side.
[0018]
When the check valve (25) closes the disinfecting liquid outlet, foreign matter such as dust is caught between the check valve (25) and the mouth edge of the disinfecting liquid outlet, and the disinfecting liquid outlet is not completely closed. In some cases, the disinfectant in the nozzle (20) side path (43) may flow out of the nozzle (20), but air is introduced into the nozzle (20) side path (43) and shut off. Since the valve (45) blocks the path (42) on the pump (50) side, the outflow of the disinfecting liquid on the pump (50) side can be prevented, and the outflow of the disinfecting liquid can be suppressed to a small amount.
[0019]
Furthermore, in another configuration of the present invention, since the shut-off valve (45) is positioned above the liquid level of the disinfecting liquid in the tank (30), the shut-off valve (45) is temporarily connected to the pump-side path (42 For example, if air is introduced into the path (43) on the nozzle (20) side, the level of the disinfectant liquid in the shut-off valve (45) is reduced in the tank (30). The disinfecting liquid falls to the level of the disinfecting liquid and the disinfecting liquid in the shutoff valve (45) returns to the path on the pump (50) side, and the disinfecting liquid passes through the shutoff valve (45) from the path on the pump (50) side. Thus, it does not flow out to the path (43) on the nozzle (20) side, and the outflow of the disinfecting liquid on the pump (50) side can be completely prevented.
[0020]
Furthermore, in another configuration of the present invention, when the pump (50) is deactivated, the pressure in the passage (43) on the nozzle (20) side of the supply passage (40) with the shutoff valve (45) as a boundary is a predetermined pressure. Lower, the check valve (25) in the nozzle (20) closes the disinfectant outlet, so that the disinfectant in the path (43) on the nozzle (20) side and the supply path (40) It is possible to suppress the outflow of the disinfectant in the pump side path (42).
[0021]
Furthermore, in another configuration of the present invention, when the check valve (25) in the nozzle (20) does not completely close the disinfecting liquid outlet, the disinfecting liquid in the passage (43) on the nozzle (20) side is removed. Although it flows out of the nozzle (20), the passage (43) on the nozzle (20) side has a smaller cross-sectional area in the passage than the passage (42) on the pump (50) side, so that the disinfecting liquid is prevented from flowing out to a small amount. be able to.
[0022]
Furthermore, in another structure of this invention, the motor of a pump (50) act | operates and a drive magnet (54) makes the impeller (53) inside a casing (52) interlock | cooperate. When the impeller (53) is interlocked, the disinfectant enters the casing (52) from the tank (30), is sent from the casing (52) through the supply path (40) to the nozzle (20), and the nozzle ( 20) is ejected downward.
At this time, the disinfecting liquid passes through the inside of the casing (52), but the casing (52) and the inside of the motor case (58) are separated from each other by the partition wall (59). Are completely separated from each other, water tightness is improved, and electrical system short-circuiting can be prevented.
[0023]
Furthermore, in another structure of this invention, it is represented by the water channel system represented by the tank (30) distribute | arranged to the upper part of a case (10), and the pump (50) distribute | arranged by the lower part of a case (10). The electrical system can be separated from the electrical system, so that it is difficult for the disinfecting liquid to enter the electrical system, and a short circuit of the electrical system due to the entry of the disinfecting liquid can be prevented.
[0024]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
Each figure shows an embodiment of the present invention.
The disinfectant spray device according to the present embodiment is installed on a standing wall of a restroom of a food factory, a restaurant, a hospital, or other buildings, and is used by employees and general customers. A wash basin is generally disposed below the disinfectant spray device.
[0025]
As shown in FIGS. 1 to 3, the disinfecting liquid ejection device includes a case 10 and a nozzle 20, and a tank 30, a supply path 40, and a pump 50 are provided inside the case 10. The pump 50 feeds the disinfecting liquid in the tank 30 through the supply path 40 to the nozzle 20 and ejects the disinfecting liquid downward from the nozzle 20.
[0026]
The case 10 includes a front case 11 and a back case 12 that are combined from the front and the rear and formed in a box shape. The front case 11 is provided with a disinfectant water level confirmation window 210. The disinfectant liquid level confirmation window 210 is closed with a see-through member 211. The upper opening of the case 10 is closed with a cover 13.
[0027]
A partition member 70 is interposed between the front case 11 and the back case 12, and the accommodation space inside the case 10 is separated vertically by the partition member 70. A peripheral flange 76 along each inner surface of the front case 11 or the rear case 12 is formed on the outer peripheral edge of the partition member 70. A gap between the peripheral flange 76 of the partition member 70 and each inner surface of the front case 11 or the back case 12 is closed by a seal member 77. The peripheral flange 76 of the partition member 70 is screwed to the front case 11 and the back case 12.
[0028]
The tank 30 is accommodated in the upper accommodation space 10a, and the electrical system such as the pump 50 and the switchboard 61 is accommodated in the lower accommodation space 10b. The switchboard 61 is screwed to a boss protruding from the inner wall surface of the back case 12.
[0029]
An inlet 33 is provided on the upper surface of the tank 30. A strainer 130 is fitted to the mouth edge of the injection port 33, and a strainer 130 and a cap portion 135 for closing the injection port 33 are integrally formed. The strainer 130 has an outer cylinder portion 136 that fits around the outer periphery of the injection port 33, a mesh portion 137 that fits inside the injection port 33, and a tray portion 138 that guides the disinfectant solution to the mesh portion 137.
[0030]
As shown in FIG. 2, the partition member 70 has an inflow port 71 and a lower hole 72. The upper surface of the partition member 70 is inclined downward toward the inflow port 71 and is easy to flow. One end which is the upper end port of the discharge path 18 is continuous with the inlet 71 of the partition member 70. The discharge path 18 extends downward, and the other end, which is the lower end of the discharge path 18, is continuous with an outlet 18 a opened on the back surface of the back case 12.
[0031]
The lower hole 72 is opened corresponding to the take-out pipe 32 of the tank 30. A peripheral flange 73 is provided on the peripheral edge of the lower hole 72. The circumferential flange 73 protrudes toward the lower surface of the tank 30. A gap between the upper end edge of the peripheral flange 73 and the lower surface of the tank 30 is closed by a seal member 75.
[0032]
As shown in FIGS. 1 to 3, a tube-shaped guide passage 110 is formed inside the case 10. The guide passage 110 is formed integrally with the back 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 back case 12, and the bush 62b of the power cord 62 is fitted therein. In addition, the outlet 112 of the guide passage 110 is opened upward, that is, in the direction of the switchboard 61 arranged at the upper position.
[0033]
The guide passage 110 includes a drawing side portion 113 from the drawing port 111 to an intermediate portion between the drawing port 111 and the drawing port 112, and a drawing side portion 114 from the middle portion to the drawing port 112. The tube center axis extends in a substantially horizontal direction toward the inside of the case 10, and the tube center 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.
[0034]
An accommodation recess 16 is formed in the back bottom portion 14 of the case 10 that is the bottom surface of the back case 12. The accommodating recess 16 is recessed upward and can be accommodated in a state in which the power cord 62 is folded. A clip 62a is provided on the bottom surface 14 so that the folded power cord 62 can be bundled. A power switch 17 that is a rocker switch is attached to the wall surface of the housing recess 16. A power supply means socket (not shown) is provided on the standing 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 passes through the guide passage 110 from the inlet 111 and is drawn into the apparatus from the outlet 112. The other end portion of the drawn power cord 62 is connected to the connector 66. A distribution board 61 is connected to the connector 66 to which power is supplied via a power switch.
[0035]
As shown in FIG. 1, a lower hole 16 a is provided in the lower surface of the housing recess 16, and the lower hole 16 a is closed by a lid portion 16 b when the back case 12 is molded. The peripheral edge is connected by a thin portion 16c. Inside the case 10, a power supply socket (not shown) is provided as a service outlet corresponding to the lid portion 16b. The power supply socket is connected to the connector 66. In the disinfectant spray device of the type that uses a power supply socket, the lid portion 16b blocking the lower hole 16a is removed, and the power supply socket is connected to the other power supply side through the opened lower hole 16a. A plug (not shown) can be inserted.
[0036]
A nozzle 20 is screwed to the lower front portion 15 of the front case 11 of the case 10. The nozzle 20 is inserted into the lower hole 15 a of the back case 12 and is fixed by a screw that is screwed into the screw hole of the boss 15 b of the back case 12.
[0037]
As shown in FIG. 8, the nozzle 20 includes a nozzle head 21, a joint pipe 22, a rotary fitting 23, a bearing 24, a check valve 25, and a spring member 26.
The lower end portion of the joint tube 22 is fitted in the fitting recess of the nozzle head 21, and the male screw formed on the lower end portion of the joint tube 22 is screwed to the female screw formed on the inner wall of the fitting recess. The inlet portion of the fitting recess of the nozzle head 21 is tapered so that the joint tube 22 can be easily fitted. A downward path 43 is connected to the upper end portion of the joint pipe 22. A bearing 24 is fitted in the nozzle head 21, and the bearing 24 rotatably supports the upper end portion of the rotary fitting 23. A spiral groove is formed on the outer periphery of the lower end portion of the rotary fitting 23. The check valve 25 is urged by a spring member 26 in a direction to close the disinfecting liquid outlet 22 a of the joint pipe 22.
[0038]
A window glass 64 is fitted in the lower surface front portion 15 on the back side of 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 that is screwed into the screw hole of the boss 15c. The power supply terminal of the motor of the pump 50 and the infrared sensor 65 are connected to the switchboard 61 by wiring materials.
[0039]
The take-out pipe 32 of the tank 30 is connected to the suction pipe 55 of the pump 50 via the connecting pipe 41, and the discharge pipe 56 of the pump 50 is a vacuum breaker via the upstream path 42 which is a large diameter tube of the supply path 40. The shut-off valve 45 is connected to the nozzle 20 via a down path 43 that is a small diameter tube of the supply path 40.
[0040]
As shown in FIGS. 4 and 5, the pump 50 has an isolation part 59, and the isolation part 59 isolates the casing 52 and the motor case 58 to improve the water tightness of the motor case 58. An impeller 53 is provided in the casing 52, 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 upstream path 42 of the supply path 40. . The impeller 53 is fitted with a magnet. A drive magnet 54 for interlocking the impeller 53 is accommodated in the motor case 58. The drive magnet 54 is fixed to the output shaft of the motor 51.
[0041]
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 extending portion 57b. The annular portion 57a is fitted to the motor 51 of the pump 50, and the engaged portion 57c formed at the tip of the extending portion 57b is a rear case. Twelve fitting grooves 12c are firmly fitted.
[0042]
As shown in FIGS. 6 and 7, the shutoff valve 45 includes a valve body 46, a vertical connection pipe 47 a, a horizontal connection pipe 47 b, a float valve 48, and a valve lid 49. The shut-off valve 45 is arranged at the highest position in the supply path 40 and higher than the liquid level of the disinfecting liquid in the tank 20 and is screwed to the case 10 side.
[0043]
A valve chamber is formed inside the valve body 46. The valve chamber of the valve body 46 communicates with the upper end port of the vertical connection pipe 47a and the base end port of the horizontal connection pipe 47b. An up path 42 is connected to the lower end of the vertical connecting pipe 47a, and a down path 43 is connected to the tip of the horizontal connecting pipe 47b.
[0044]
The valve lid 49 closes the valve chamber of the valve body 46 from above. A guide hole 49a is recessed in the lower surface portion of the valve lid 49 which becomes the 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.
[0045]
The shaft portion 48a of the float valve 48 is loosely fitted in the guide hole 49a. Due to the fitting relationship between the guide hole 49a and the shaft portion 48a, the float valve 48 closes the guide hole 49a while opening the upper end of the vertical connection pipe 47a, and opens the guide hole 49a while the vertical connection pipe 47a. It is supported so that it can be moved up and down at the blocking position where the upper end is closed.
[0046]
When the pressure in the valve chamber of the valve main body 46 decreases according to the pressure in the down path 43, the float valve 48 descends to the blocking position by its own weight, and the valve chamber of the valve main body 46 is exposed to the outside air through the small hole 49b and the guide hole 49a. While conducting, it closes the upper end opening of the vertical connecting pipe 47a connected to the upstream path 42 to prevent the disinfecting liquid on the pump 50 side from flowing out to the nozzle 20 side.
[0047]
In the disinfecting liquid jetting apparatus configured as described above, when a hand is put out below the nozzle 20, the infrared sensor 65 senses it, and the power is supplied to the motor 51 of the pump 50 through the power cord 62 and the switchboard 61. The 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 take-out pipe 32 to the casing 52 of the pump 50 through the connecting pipe 41 and the suction pipe 55. Furthermore, the disinfecting liquid sent from the discharge pipe 56 of the pump 50 to the nozzle 20 through the upstream path 42 to the shutoff valve 45 to the downstream path 43 is ejected downward from the nozzle 20 and falls on the hand. When a predetermined time, for example, 3 seconds elapses after the motor 51 rotates, the motor 51 stops and the ejection of the disinfecting liquid from the nozzle 20 also stops.
[0048]
When the check valve 25 closes the disinfecting liquid outlet 22a, foreign matter such as dust is caught between the check valve 25 and the rim of the disinfecting liquid outlet 22a, and the disinfecting liquid outlet 22a is not completely closed. In addition, the disinfecting liquid in the down path 43 flows out from the nozzle, but the shutoff valve 45 is lowered to the shutoff position, the upper end port of the vertical connecting pipe 47a is closed, and the uppath 42 is shut off. Can be prevented from flowing out to the down path 43 side, and the outflow of the disinfecting liquid can be suppressed to a small amount.
[0049]
Further, the shutoff valve 45 is positioned above the level of the disinfecting liquid in the tank 30, and the valve chamber in the shutoff valve 45 is connected to the outside air through the guide hole 49a and the small hole 49b. Therefore, even if the shutoff valve 45 does not sufficiently close the upper end of the vertical connecting pipe 47a, the disinfectant on the upstream path 42 passes through the shutoff valve 45 and enters the downward path 43. Without flowing out, it is possible to completely prevent the disinfecting liquid on the pump 50 side from flowing out.
[0050]
When the pump 50 is deactivated, the pressure in the down path 43 becomes lower than a predetermined pressure, the check valve 25 in the nozzle 20 closes the disinfecting liquid outlet 22a, and the check valve 25 causes the disinfection on the down path 43 side. Liquid outflow is prevented.
[0051]
Even if the check valve 25 does not sufficiently close the disinfecting liquid outlet 22a due to foreign matter that has entered the nozzle 20, even if the disinfecting liquid leaks from the disinfecting liquid outlet 22a, the disinfection of the pump 50 side Since the outflow of the liquid is completely prevented, only the disinfecting liquid in the down path 43 flows out from the nozzle 20, and the down path 43 has a smaller cross-sectional area in the path than the up path 42. The outflow can be suppressed to a small amount.
[0052]
When the motor of the pump 50 is operated and the disinfecting liquid in the tank 30 is sent from the pump 50 to the supply path 40, the disinfecting liquid is taken out from the take-out pipe 32 to the connecting pipe 41 to the suction pipe 55 to the casing of the pump 50. 52 enters the supply path 40 from the discharge pipe 56 of the pump 50, but the casing 52 and the motor case 58 are separated from each other by the partition wall 59, so that the electrical system and the disinfectant flow path are completely connected. Therefore, water tightness is improved, and short circuit of the electric system can be prevented.
[0053]
In the above-described embodiment, the shutoff valve 45 is interposed between the upstream path 42 and the downstream path 43, and the shutoff valve 45 is arranged at a position higher than the liquid level of the disinfecting liquid in the nozzle 20. The valve chamber of the valve 45 is shown to conduct to the outside air, but is not limited to this, and when the pressure in the down path 43 becomes lower than a predetermined pressure, the path on the up path 42 side is blocked. Any configuration may be used.
[0054]
【The invention's effect】
As described above, in one configuration of the present invention, when the check valve closes the disinfecting liquid outlet, foreign matter such as dust is caught between the check valve and the mouth of the disinfecting liquid outlet, and the disinfecting liquid When the outlet does not close completely, when the disinfectant in the nozzle side of the supply path tries to flow out of the nozzle with the cutoff valve as the boundary, the cutoff valve blocks the path on the pump side of the supply path. Therefore, it is possible to prevent the disinfecting liquid from flowing out on the pump side, and to suppress the outflow of the disinfecting liquid to a small amount.
[0055]
Further, in another configuration of the present invention, when the check valve closes the disinfecting liquid outlet, foreign matter such as dust is sandwiched between the check valve and the edge of the disinfecting liquid outlet, and the disinfecting liquid outlet is When not completely closed, air is introduced into the nozzle path, and the shutoff valve blocks the pump path, so that the pump side disinfectant can be prevented from flowing out. Can be kept to a small amount.
[0056]
Furthermore, in another configuration of the present invention, since the shut-off valve is positioned above the liquid level of the disinfectant liquid in the tank, even if the shut-off valve does not sufficiently shut off the pump side path, the disinfectant The liquid does not pass through the shut-off valve and flows out into the nozzle side path, and the outflow of the disinfecting liquid on the pump side can be completely prevented.
[0057]
Furthermore, in another configuration of the present invention, when the check valve closes the disinfecting liquid outlet, if the pressure in the nozzle side path of the supply path becomes lower than a predetermined pressure, the check valve is connected to the supply path. Since the nozzle-side path is blocked, the disinfecting liquid in the nozzle-side path and the disinfecting liquid in the pump-side path of the supply path can be prevented, and the outflow of the disinfecting liquid can be suppressed.
[0058]
Further, in another configuration of the present invention, when the check valve in the nozzle does not completely close the disinfecting liquid outlet, the disinfecting liquid in the nozzle-side path flows out from the nozzle. Since the cross-sectional area in the passage is smaller than the passage on the pump side, the outflow of the disinfectant can be suppressed to a small amount.
[0059]
Furthermore, 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 the casing and the motor case are separated from each other by the partition wall, so The liquid flow path is completely separated, water tightness is improved, and electrical system short-circuiting can be prevented.
[0060]
Furthermore, in another configuration of the present invention, the water system represented by the tank arranged at the upper part of the case and the electric system represented by the pump arranged at the lower part of the case are separated, so the electric system This makes it difficult for the disinfectant to enter and prevents the electrical system from being short-circuited due to the entry of the disinfectant.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a main part of a disinfecting liquid ejecting apparatus according to an embodiment of the present invention.
FIG. 2 is a front view showing the inside of the disinfecting liquid ejecting apparatus according to the embodiment of the present invention by removing the front surface.
FIG. 3 is a plan view of the disinfecting liquid ejecting apparatus according to the embodiment of the present invention with a cover removed.
FIG. 4 is a front view of a pump according to an embodiment of the present invention.
FIG. 5 is a cross-sectional view of a main part of a pump according to an embodiment of the present invention.
FIG. 6 is a cross-sectional view of a main part of a shutoff valve according to an embodiment of the present invention.
FIG. 7 is a front view of a shut-off valve according to an embodiment of the present invention.
FIG. 8 is a cross-sectional view of a main part of a nozzle according to an embodiment of the present invention.
[Explanation of symbols]
10 ... Case
10a: Upper storage space
10b: Lower accommodation space
11 ... Front case
12 ... Back case
14 ... Back bottom
15 ... Front side of the bottom
16 ... Accommodation recess
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 ... Inlet
40 ... Supply path
41 ... Connecting pipe
42 ... Upward route
43 ... Down route
45. Shut-off valve
46 ... Valve body
47a ... Vertical connecting pipe
47b ... Horizontal connecting pipe
48 ... Float valve
48a ... Shaft
49 ... Valve lid
49a ... Guide hole
49b ... Small hole
50 ... Pump
51 ... Motor
52. Casing
53 ... Impeller
54 ... Driving magnet
55 ... Suction pipe
56 ... discharge pipe
58 ... Motor case
59 ... Isolation part
61 ... switchboard
62 ... Power cord
62a ... Clip
64 ... Window glass
65. Infrared sensor
70: Partition member
71 ... Inlet
72 ... pilot hole
73 ... Circumferential flange
75 ... Sealing member
110 ... Guide passage
111 ... service entrance
112 ... Drawer exit
113 ... Pull-in part
114 ... drawer side part
130 ... Strainer
135 ... Cap part
136 ... outer cylinder part
137 ... Mesh part
138 ... saucer part

Claims (6)

A nozzle having a case and a check valve, and a tank, a supply path, and a pump inside the case, the pump passing the disinfectant in the tank through the supply path; In the disinfecting liquid ejecting apparatus that sends out the disinfecting liquid from the nozzle,
The supply path has a shut-off valve in the middle thereof,
The shutoff valve shuts off the pump side path of the supply path with the shutoff valve as a boundary when the pressure in the nozzle side path of the supply path becomes lower than a predetermined pressure with the shutoff valve as a boundary. Disinfectant jet apparatus characterized by being a thing.   The shutoff valve is configured to introduce air into the nozzle side path and shut off the pump side path when the pressure in the nozzle side path of the supply path becomes lower than a predetermined pressure. The disinfecting liquid ejecting apparatus according to claim 1, wherein   The disinfecting liquid ejecting apparatus according to claim 1 or 2, wherein the shut-off valve is positioned above a liquid surface of the disinfecting liquid in the tank.   The disinfecting liquid jetting device according to claim 2 or 3, wherein the nozzle side path has a smaller cross-sectional area in the path than the pump side path. The pump has a casing, a motor case, a partition wall, an impeller, and a drive magnet.
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,
The disinfecting liquid ejecting apparatus according to claim 1, wherein the partition wall separates the inside of the casing from the inside of the motor case. The nozzle is arranged at a lower portion of the case;
The tank is arranged at the top of the case,
The disinfecting liquid ejecting apparatus according to claim 1, wherein the pump is disposed below the tank.

Images