CN215327351U - Liquid discharge structure of disinfection product - Google Patents

Abstract

The utility model relates to a liquid discharge structure of a disinfection product, which comprises an electrolytic tank, a conveying pipeline and a first air pump, wherein a reversing valve is arranged on a tank body, the reversing valve comprises a valve body and a valve core, a hydrogen outlet, a first pressure relief interface, a second pressure relief interface and an electrolytic tank air inlet are arranged on the valve body, the air inlet is connected with the outlet of the first air pump, a first pressure relief valve is communicated with an inner chamber of the electrolytic tank, and a second pressure relief valve is communicated with the hydrogen outlet; the first pressure relief interface is selectively communicated or disconnected with the second pressure relief interface, and the valve core selectively seals the communication between the air inlet of the electrolytic tank and the inner chamber of the tank body or the communication between the hydrogen outlet and the inner chamber of the tank body. The utility model utilizes the air pressure of the air pump to push the disinfectant to extrude the disinfectant to the water pipeline and discharge the disinfectant to the water pool along with the water flow. Compared with the existing jet pipe, when disinfectant is discharged, the water flow on the conveying pipeline is not affected, so that the filtering efficiency of pool water is ensured.

Description

Liquid discharge structure of disinfection product

Technical Field

The utility model relates to the field of disinfection equipment, in particular to a liquid discharge structure of a disinfection product.

Background

The pool water of a swimming pool needs to be disinfected after a period of use, typically by adding a hypochlorous acid solution to the swimming pool. A common disinfection method is to electrolyze the saline water by a sodium hypochlorite generator to produce a sodium hypochlorite solution, and then to disinfect the pool water of the swimming pool with the sodium hypochlorite solution.

In the present disinfection product, its flowing back structure mainly comprises the ejector, and this ejector sets up in filtering the water route, and venturi combines on the ejector, still is equipped with the change over switch that whether control venturi produced the negative pressure in the ejector. This flowing back structure utilizes venturi to produce the negative pressure and inhales the water route with sodium hypochlorite solution to send into the swimming pool along with the water route in, realize the disinfection to swimming pool pond water. The current liquid discharge structure mainly has the following problems: firstly, the ejector has a complex structure, needs to perform frequent switching operation on a switch, and is easy to damage; the ejector is combined in the filtering water path, and the flow of the filtering water path can be reduced when the Venturi tube works, so that the filtering efficiency of pool water is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide a liquid discharge structure of a sterilization product, which can sterilize pool water without affecting the filtration efficiency.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a liquid discharge structure of a disinfection product comprises an electrolytic tank, a conveying pipeline and a first air pump, wherein the conveying pipeline is provided with a pipeline water inlet, a pipeline water outlet and a first fresh water interface, and the first air pump is provided with a first air pump outlet;

the electrolytic tank comprises a tank body, and the tank body is provided with a reversing valve, an electrolytic tank liquid inlet and an electrolytic tank liquid outlet which are communicated with the inner cavity of the tank body; the liquid outlet of the electrolytic tank is connected with the first fresh water interface; the reversing valve comprises a valve body and a valve core, a hydrogen outlet, a first pressure relief interface, a second pressure relief interface and an electrolysis box air inlet are arranged on the valve body, the electrolysis box air inlet is connected with the outlet of the first air pump, the first pressure relief valve is communicated with the inner cavity of the electrolysis box, and the second pressure relief valve is communicated with the hydrogen outlet; the first pressure relief interface is selectively communicated or disconnected with the second pressure relief interface, and the valve core selectively seals the communication between the air inlet of the electrolytic tank and the inner chamber of the tank body or the communication between the hydrogen outlet and the inner chamber of the tank body.

And an electrolysis electrode, a low liquid level switch and a high liquid level switch are arranged in the box body of the electrolysis box.

The first pressure relief interface is connected with the second pressure relief interface through a multi-way valve, the multi-way valve comprises a valve seat and a switching assembly, and four sealed chambers, namely a first chamber, a second chamber, a third chamber and a fourth chamber, are arranged in the valve seat; nine water through openings, namely a first water through opening, a second water through opening, a third water through opening, a fourth water through opening, a fifth water through opening, a sixth water through opening, a seventh water through opening, an eighth water through opening and a ninth water through opening are formed in the valve seat;

the first water through opening, the second water through opening and the third water through opening are selectively communicated with the first chamber through a switching assembly, the fourth water through opening and the fifth water through opening are selectively communicated with the second chamber through a switching assembly, and the sixth water through opening and the seventh water through opening are selectively communicated with the third chamber through a switching assembly; the eighth water through hole and the ninth water through hole are selectively communicated with the fourth cavity;

a second fresh water interface and a third fresh water interface are also arranged on the delivery pipeline; the multi-way valve is also connected with a salt box, and a salt box liquid inlet and a salt box liquid outlet are formed in the salt box;

the first water through hole is connected with a lower liquid outlet of the salt box, the second water through hole is connected with a first fresh water interface, the third water through hole is connected with a liquid inlet of the electrolytic box, the fourth water through hole is connected with a second fresh water interface, the fifth water through hole is connected with a liquid outlet of the electrolytic box, the sixth water through hole is connected with a gas inlet of the electrolytic box, the seventh water through hole is connected with a gas outlet of the first gas pump, the eighth water through hole is connected with a first pressure relief interface, and the ninth water through hole is connected with a second pressure relief interface; and the third fresh water interface is connected with a liquid inlet of the salt tank.

The switching assembly comprises an electric actuator, a rotating rod connected with the electric actuator and six groups of plugging assemblies, and the six groups of plugging assemblies are respectively and movably matched with the first water through opening, the second water through opening, the third water through opening, the fourth water through opening, the sixth water through opening and the eighth water through opening; the sealing sliding sheet is sealed at a corresponding water through hole, the lower end of the pull rod is connected with the sealing membrane, and the upper end of the pull rod movably penetrates through the valve seat and extends out of the valve seat to be connected with the sliding block; the spring is sleeved outside the pull rod; the slide block is sleeved on the rotating rod; the dwang is connected electric actuator's drive shaft, and is equipped with a plurality of lugs with water service mouth complex on the dwang.

The electric actuator comprises a motor, a positioning plate and a signal detection plate, wherein a photosensitive element is arranged on the signal detection plate, the positioning plate is sleeved outside a driving shaft of the motor, and a plurality of blocking pieces used for blocking the photosensitive element are arranged on the positioning plate.

The salt tank is internally provided with a water inlet ball float valve matched with the liquid inlet of the salt tank, and the salt tank is also provided with an overflow port.

The salt box is provided with a salt box air inlet, and the salt box air inlet is connected with a second air pump.

After the scheme is adopted, the air pressure of the air pump is utilized to push the disinfectant, the disinfectant is extruded to the water pipeline and is discharged into the water pool along with the water flow. Meanwhile, the reversing valve is additionally arranged on the electrolytic tank to be matched with the air pump, so that the electrolytic tank can be decompressed while the internal pressurization of the electrolytic tank is realized to discharge disinfectant, and the next electrolytic work of the electrolytic tank can be guaranteed. Compared with the existing jet pipe, when disinfectant is discharged, the water flow on the conveying pipeline is not affected, so that the filtering efficiency of pool water is ensured. In addition, the conveying pipeline is only provided with the fresh water interface and is not provided with an electric control device, so that the cost of the liquid discharge structure is reduced. Because the electric control device is arranged in the water path, the loss and the factors to be considered are more than the common factors. In addition, this use novel pressure release control with the diverter valve and the multiple unit valve of current disinfection product combine together for the structure of whole disinfection product is simpler.

Drawings

FIG. 1 is a schematic view of a sterilization product with a drainage structure;

FIG. 2 is a schematic view of the structure of an electrolytic tank;

FIG. 3 is a cross-sectional view of an electrolytic tank;

FIG. 4 is a schematic structural view showing the switching valve in the hydrogen gas outlet open state;

FIG. 5 is a schematic structural view of the switching valve in the open state of the air inlet of the electrolytic tank;

FIG. 6 is a schematic structural diagram of the multi-way valve;

FIG. 7 is a cross-sectional view of the multiplex valve;

FIG. 8 is a schematic view of the connection between the drainage structure and the multi-way valve according to the present invention;

FIG. 9 is a first schematic structural diagram of a salt box;

fig. 10 is a schematic structural diagram ii of the salt box.

Description of reference numerals:

an electrolytic tank 100; a case 110; an electrolysis electrode 111; a low level switch 112; a high level switch 113; an electrolysis chamber inlet 114; the electrolytic tank outlet 115; a diverter valve 120; a valve body 121; a hydrogen outlet 1211; a first pressure relief interface 1212; a second pressure relief interface 1213; an electrolysis chamber inlet 1214; a valve core 122;

a delivery line 200; a pipeline water inlet 210; a pipeline water outlet 220; a first fresh water interface 230; a second fresh water interface 240; a third fresh water interface 250;

a first air pump 300; a first air pump outlet 310;

a multiplex valve 400; a valve seat 410; a first water through opening 411; a second water passage port 412; a third water passage port 413; a fourth water passage 414; a water passage opening 415; a water passage opening six 416; a water passage port No. seven 417; a water passage opening 418; a water passage port 419; a switching component 420; an electric actuator 421; a motor 4211; positioning plates 4212; a signal detection board 4213; the rotation rod 4214; a plugging component 422; a sealing membrane 4221; a pull rod 4222; a spring 4223; a slider 4224;

a salt box 500; a salt tank inlet 510; a salt tank lower liquid port 520; a water inlet float valve 530; an overflow port 540; a salt box air inlet 550;

the second air pump 600.

Detailed Description

Referring to fig. 1 to 3, the present invention discloses a liquid discharge structure of a sterilizing product, which comprises an electrolytic tank 100, a transfer line 200 and a first air pump 300. The conveying pipeline 200 is provided with a pipeline water inlet 210, a pipeline water outlet 220 and a first fresh water interface 230, and the first air pump 300 is provided with a first air pump outlet 310. The electrolytic tank 100 comprises a tank body 110, wherein the tank body 110 is provided with a reversing valve 120, and an electrolytic tank liquid inlet 114 and an electrolytic tank liquid outlet 115 which are communicated with the inner chamber of the tank body 110. The first fresh water port 230 of the outlet pipe is connected; the reversing valve 120 comprises a valve body 121 and a valve core 122, the valve body 121 is provided with a hydrogen outlet 1211, a first pressure relief interface 1212, a second pressure relief interface 1213 and an electrolysis tank air inlet 1214, the air inlet is connected with a first air pump outlet 310, the first pressure relief valve is communicated with the inner chamber of the electrolysis tank 100, and the second pressure relief valve is communicated with the hydrogen outlet 1211; the first pressure relief port is selectively connected or disconnected with the second pressure relief port 1213, and the valve element 122 selectively closes the communication between the electrolysis chamber air inlet 1214 and the inner chamber of the box body 110 or the communication between the hydrogen outlet 1211 and the inner chamber of the box body 110.

During electrolysis, the valve core 122 of the reversing valve 120 is closed on the electrolysis chamber air inlet 1214, and the hydrogen outlet 1211 is opened, namely, the hydrogen outlet 1211 is communicated with the inner chamber of the electrolysis chamber 100. Thus, hydrogen generated by electrolysis is discharged to the air through the hydrogen outlet 1211. After electrolysis, the electrolyzed disinfecting solution is discharged into the delivery pipe 200 and then sent to the swimming pool. At this time, the first air pump 300 needs to be opened, and the first air pump 300 supplies air to the inner chamber of the electrolytic tank 100 through the electrolytic tank inlet 1214, and the valve body 122 is lifted up by the gas to close the hydrogen gas outlet 1211 and open the electrolytic tank inlet 1214. As gas enters the electrolytic tank 100, the pressure within the electrolytic tank 100 increases, thereby forcing the sterilizing fluid into the transfer line 200 via the tank outlet 115. When the disinfectant is completely discharged, the brine needs to be fed into the electrolytic tank 100, but the brine cannot enter because the air pressure in the electrolytic tank 100 is too high. Therefore, the first pressure relief valve and the second pressure relief valve are connected at this time, so that the gas in the electrolytic tank 100 is discharged to the air from the first pressure relief valve, the second pressure relief valve and the hydrogen outlet 1211, and when the gas pressure in the electrolytic tank 100 is restored to the normal state, the brine can be supplied into the electrolytic tank 100 again, and the electrolysis operation can be started again.

In this embodiment, an electrolysis electrode 111, a low level switch 112 and a high level switch 113 are provided in a case body 110 of the electrolytic tank 100. High concentration brine enters the electrolytic tank 100 from the tank inlet 114 and stops when the liquid level reaches the low level switch 112. Then, fresh water is fed, and when the liquid level reaches the high liquid level switch 113, feeding of fresh water is stopped. The electrolysis electrodes 111 are all brought into electrolysis operation.

The selective communication between the first pressure relief port 1212 and the second pressure relief port may be implemented using solenoid valves or other controllable mechanisms. In order to better integrate the drainage structure with the existing disinfection product, in this embodiment, the first pressure relief port 1212 and the second pressure relief port are connected by the multi-way valve 400.

Specifically, the multi-way valve 400 includes a valve seat 410 and a switching assembly 420, wherein four sealed chambers, namely a first chamber, a second chamber, a third chamber and a fourth chamber, are arranged in the valve seat 410; the valve seat 410 is provided with nine water passage ports, i.e., a first water passage port 411, a second water passage port 412, a third water passage port 413, a fourth water passage port 414, a fifth water passage port 415, a sixth water passage port 416, a seventh water passage port 417, an eighth water passage port 418, and a ninth water passage port 419.

The first water passage opening 411, the second water passage opening 412 and the third water passage opening 413 are selectively communicated with the first chamber through a switching assembly 420, the fourth water passage opening 414 and the fifth water passage opening 415 are selectively communicated with the second chamber through the switching assembly 420, and the sixth water passage opening 416 and the seventh water passage opening 417 are selectively communicated with the third chamber through the switching assembly 420; the eighth and ninth ports 418 and 419 are selectively communicated with the fourth chamber through the switching member 420. In this embodiment, the switching assembly 420 includes an electric actuator 421, a rotating rod 4214 connected to the electric actuator 421, and six sets of blocking assemblies 422, where the six sets of blocking assemblies 422 are respectively movably fitted in the first water passage 411, the second water passage 412, the third water passage 413, the fourth water passage 414, the sixth water passage 416, and the eighth water passage 418; the plugging component 422 comprises a sealing diaphragm 4221, a pull rod 4222, a spring 4223 and a sliding block 4224, the sealing sliding sheet is plugged at a corresponding water port, the lower end of the pull rod 4222 is connected with the sealing diaphragm 4221, the upper end of the pull rod 4222 is movably arranged on the valve seat 410 in a penetrating manner and extends out of the valve seat 410 to be connected with the sliding block 4224; the spring 4223 is sleeved outside the pull rod 4222; the sliding block 4224 is sleeved on the rotating rod 4214; the rotating rod 4214 is connected with a driving shaft of the electric actuator 421.

The electric actuator 421 comprises a motor 4211, a positioning plate 4212 and a signal detection plate 4213, wherein a photosensitive element is arranged on the signal detection plate 4213, the positioning plate 4212 is sleeved outside a driving shaft of the motor 4211, and a plurality of blocking pieces used for blocking the photosensitive element are arranged on the positioning plate 4212. When the stop sheet passes through the photosensitive element, the photosensitive element sends out a signal, and the motor 4211 stops or rotates.

The pipeline 200 is further provided with a second fresh water port 240 and a third fresh water port 250. The multi-way valve 400 is further connected with a salt tank 500, and a salt tank liquid inlet 510 and a salt tank liquid outlet 520 are arranged on the salt tank 500. The first water through hole 411 is connected with the salt tank lower liquid port 520, the second water through hole 412 is connected with the first fresh water port 230, the third water through hole 413 is connected with the electrolytic tank liquid inlet 114, the fourth water through hole 414 is connected with the second fresh water port 240, the fifth water through hole 415 is connected with the electrolytic tank liquid outlet 115, the sixth water through hole 416 is connected with the electrolytic tank air inlet 1214, the seventh water through hole 417 is connected with the first air pump 300 air outlet, the eighth water through hole 418 is connected with the second pressure relief port 1213, and the ninth water through hole 419 is connected with the first pressure relief port 1212; the third fresh water interface 250 is connected with the salt tank inlet 510.

In this embodiment, a water inlet ball float valve 530 is disposed in the salt tank 500 and is matched with the liquid inlet 510 of the salt tank, and an overflow port 540 is further disposed on the salt tank 500, and the overflow port 540 may be used for discharging excess salt water. The salt box 500 is further provided with a salt box air inlet 550, and the salt box air inlet 550 is connected with a second air pump 600. The dissolution rate of the salt in the salt tank 500 can be increased by delivering gas into the salt tank 500 through the second air pump 600.

The electrolysis electrodes 111 of the electrolysis chamber 100 apply a voltage to electrolyze the brine to generate chlorine gas and hydrogen gas, the chlorine gas is dissolved in the brine solution to generate hypochlorous acid disinfectant, and the hydrogen gas is discharged from the hydrogen port of the electrolysis chamber 100. After the electrolytic disinfection solution is prepared, the electrolyte needs to be discharged into a pipeline, and water in a pool is disinfected along with the water flow discharged into the pool. The scheme utilizes the air pressure of the air pump to push the disinfectant, extrudes the disinfectant to the water pipeline, and discharges the disinfectant to the water pool along with water flow.

The working principle of the utility model is as follows:

the salt box 500 automatically feeds water through the water inlet ball float valve 530, salt is added into the salt bag of the salt box 500, the gas of the second air pump 600 enters from the bottom of the salt box 500, and the salt is stirred to accelerate the salt dissolution to reach saturated salt water. First, the first water opening 411 and the third water opening 413 of the multi-way valve 400 are opened simultaneously, and the saturated brine enters the electrolytic tank 100 and is closed when reaching the low level switch 112. The second water through hole 412 and the third water through hole 413 are opened simultaneously, fresh water in the pool enters the electrolytic tank 100, the high liquid level switch 113 is closed, the system is connected with an electrolytic power supply, and the disinfectant is prepared by electrolysis.

When the electrolysis is completed, the No. six water passage port 416 of the multi-way valve 400 is opened and communicated with the No. 7 water passage port, and the No. four water passage port 414 is opened and communicated with the No. five water passage port 415. The first air pump 300 is turned on, the gas enters from the electrolytic tank inlet 1214, the valve core 122 of the reversing valve 120 is pushed upwards to seal the hydrogen outlet 1211, and the electrolyzed electrolyte is extruded into the water tank as the gas continuously enters the electrolytic tank 100 and the air pressure is increased. After the disinfectant is extruded to the water tank, the multi-way valve 400 rotates to open the No. eight water opening 418, and the No. eight water opening 418 is communicated with the No. nine water opening 419. The air pressure in the electrolytic tank 100 flows from the first pressure relief interface 1212 to the second pressure relief interface, and the second pressure relief interface is communicated with the atmosphere to realize pressure relief. After the pressure relief is finished, the valve core 122 is lifted by the dead weight and is boosted by the pressure relief gas, so that the valve core 122 is lifted, the hydrogen port of the electrolytic tank 100 is opened, and the disinfectant can be manufactured for the next time and can be normally used.

In summary, the key point of the present invention is that the air pressure of the air pump is utilized to push the disinfecting liquid to the water pipeline, and the disinfecting liquid is discharged into the water tank along with the water flow. Meanwhile, the reversing valve 120 is additionally arranged on the electrolytic tank 100 to be matched with an air pump, so that the electrolytic tank 100 can be depressurized while the internal pressurization of the electrolytic tank 100 is realized to discharge disinfectant, and the next electrolytic work of the electrolytic tank 100 can be ensured. Compared with the existing jet pipe, when disinfectant is discharged, the water flow on the conveying pipeline 200 is not affected, so that the filtering efficiency of pool water is ensured. In addition, the conveying pipeline 200 is only provided with a fresh water interface and is not provided with an electric control device, so that the cost of the liquid discharge structure is reduced. Because the electric control device is arranged in the water path, the loss and the factors to be considered are more than the common factors. In addition, this use novel pressure release control with the diverter valve and the multiple unit valve 400 of current disinfection product combine together for the structure of whole disinfection product is simpler.

The above description is only exemplary of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above exemplary embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (7)

1. A liquid discharge structure of a sterilizing product, characterized in that: the device comprises an electrolytic tank, a conveying pipeline and a first air pump, wherein the conveying pipeline is provided with a pipeline water inlet, a pipeline water outlet and a first fresh water interface, and the first air pump is provided with a first air pump outlet;

the electrolytic tank comprises a tank body, and the tank body is provided with a reversing valve, an electrolytic tank liquid inlet and an electrolytic tank liquid outlet which are communicated with the inner cavity of the tank body; the liquid outlet of the electrolytic tank is connected with the first fresh water interface; the reversing valve comprises a valve body and a valve core, a hydrogen outlet, a first pressure relief interface, a second pressure relief interface and an electrolysis box air inlet are arranged on the valve body, the electrolysis box air inlet is connected with the outlet of the first air pump, the first pressure relief interface is communicated with the inner cavity of the electrolysis box, and the second pressure relief interface is communicated with the hydrogen outlet; the first pressure relief interface and the second pressure relief interface are selectively communicated or disconnected, and the valve core selectively seals the communication between the air inlet of the electrolytic tank and the inner chamber of the tank body or the communication between the hydrogen outlet and the inner chamber of the tank body.

2. A drainage structure of a sterilizing product according to claim 1, wherein: and an electrolysis electrode, a low liquid level switch and a high liquid level switch are arranged in the box body of the electrolysis box.

3. A drainage structure of a sterilizing product according to claim 1, wherein: the first pressure relief interface is connected with the second pressure relief interface through a multi-way valve, the multi-way valve comprises a valve seat and a switching assembly, and four sealed chambers, namely a first chamber, a second chamber, a third chamber and a fourth chamber, are arranged in the valve seat; nine water through openings, namely a first water through opening, a second water through opening, a third water through opening, a fourth water through opening, a fifth water through opening, a sixth water through opening, a seventh water through opening, an eighth water through opening and a ninth water through opening are formed in the valve seat;

the first water through opening, the second water through opening and the third water through opening are selectively communicated with the first chamber through a switching assembly, the fourth water through opening and the fifth water through opening are selectively communicated with the second chamber through a switching assembly, and the sixth water through opening and the seventh water through opening are selectively communicated with the third chamber through a switching assembly; the eighth water through hole and the ninth water through hole are selectively communicated with the fourth cavity;

a second fresh water interface and a third fresh water interface are also arranged on the delivery pipeline; the multi-way valve is also connected with a salt box, and a salt box liquid inlet and a salt box liquid outlet are formed in the salt box;

the first water through hole is connected with a lower liquid outlet of the salt box, the second water through hole is connected with a first fresh water interface, the third water through hole is connected with a liquid inlet of the electrolytic box, the fourth water through hole is connected with a second fresh water interface, the fifth water through hole is connected with a liquid outlet of the electrolytic box, the sixth water through hole is connected with a gas inlet of the electrolytic box, the seventh water through hole is connected with a gas outlet of the first gas pump, the eighth water through hole is connected with a first pressure relief interface, and the ninth water through hole is connected with a second pressure relief interface; and the third fresh water interface is connected with a liquid inlet of the salt tank.

4. A drainage structure of a sterilizing product according to claim 3, wherein: the switching assembly comprises an electric actuator, a rotating rod connected with the electric actuator and six groups of plugging assemblies, and the six groups of plugging assemblies are respectively and movably matched with the first water through opening, the second water through opening, the third water through opening, the fourth water through opening, the sixth water through opening and the eighth water through opening; the sealing assembly comprises a sealing diaphragm, a pull rod, a spring and a sliding block, the sealing diaphragm is sealed at a corresponding water through hole, the lower end of the pull rod is connected with the sealing diaphragm, and the upper end of the pull rod movably penetrates through the valve seat and extends out of the valve seat to be connected with the sliding block; the spring is sleeved outside the pull rod; the slide block is sleeved on the rotating rod; the rotating rod is connected with a driving shaft of the electric actuator.

5. The liquid discharge structure of a sterilizing product according to claim 4, wherein: the electric actuator comprises a motor, a positioning plate and a signal detection plate, wherein a photosensitive element is arranged on the signal detection plate, the positioning plate is sleeved outside a driving shaft of the motor, and a plurality of blocking pieces used for blocking the photosensitive element are arranged on the positioning plate.

6. A drainage structure of a sterilizing product according to claim 3, wherein: the salt tank is internally provided with a water inlet ball float valve matched with the liquid inlet of the salt tank, and the salt tank is also provided with an overflow port.

7. A drainage structure of a sterilizing product according to claim 3, wherein: the salt box is provided with a salt box air inlet, and the salt box air inlet is connected with a second air pump.

Images