A sterilization and disinfection device, a water tank and a squatting toilet

Abstract

A sterilization and disinfection device, a water tank and a squatting toilet, including a disinfection box, further including a water inlet pipe, a liquid outlet pipe, a control unit and a connecting piece. The water inlet pipe is connected to the disinfection box to input water. The control unit is installed in the disinfection box to control the mixing of water and medicine. The liquid outlet pipe is connected to the disinfection box to output the mixed medicine. One end of the connecting piece is connected to the liquid outlet pipe, and the other end is used to be connected in series with a drain pipe for sterilization and disinfection. The present invention can add a sterilization and disinfection function without changing the structure of the existing drainage device, and is very convenient to install and easy to promote.

Description

Technical Field

[0001] The present invention relates to the field of sanitary ware, and particularly to a sterilization and disinfection device, a water tank and a squatting toilet. Background Art

[0002] Patent Application Publication No. CN 108104231 A discloses an automatic mixing and supply structure for a sterilizing lubricating fluid for a sitting or squatting toilet, which has a simple structure, is easy to install, and can generate a foam-type sterilizing lubricating fluid only by the flushing pressure. It includes a water delivery pipe for delivering flushing clean water and a reagent delivery pipe for delivering a disinfectant with lubricating and sterilizing effects. Both the water delivery pipe and the reagent delivery pipe are connected to a water-liquid mixing chamber. The water-liquid mixing chamber is composed of a vertically arranged water injection channel, a foam chamber lying horizontally at the bottom, and an overflow channel lying horizontally in the middle. The upper end of the water injection channel is connected to the water delivery pipe, and the lower end leads to the foam chamber. One side of the foam chamber is connected to the reagent supply port of the reagent delivery pipe, and a disinfectant with a set liquid level height is always stored in the foam chamber. The outer end of the overflow channel is connected to a sterilizing lubricating fluid outlet system provided on the sitting or squatting toilet through a sterilizing foam pipe, and its inner end communicates with the water injection channel. It can generate the required foam-type sterilizing lubricating fluid without the complex foaming device in the prior art, and has a simple structure and low cost. This device needs to replace the entire system comprehensively, and the device has a large volume, which is not conducive to production and commercialization.

[0003] In addition, the existing flushing devices for squatting toilets have the following problems: 1. They cannot disinfect automatically; 2. They cannot avoid cross-infection; 3. The existing flushing squatting toilets with water tanks do not have a sterilization and disinfection function. Once such products have been installed at home, there is no new sterilization and disinfection module provided for such products on the market. That is, it is very difficult to add a sterilization and disinfection function to a squatting toilet with a water tank that has already been installed at home. Summary of the Invention

[0004] The main purpose of the present invention is to overcome the above-mentioned defects in the prior art, and propose a sterilization and disinfection device, a water tank and a squatting toilet, which adopt a modular design, are convenient for installation, popularization and application, and perform non-contact sterilization and disinfection, and can effectively prevent cross-infection.

[0005] The present invention adopts the following technical solutions:

[0006] A sterilization and disinfection device includes a disinfection box, and is characterized in that: it further includes a water inlet pipe, a liquid outlet pipe, a control unit and a connector. The water inlet pipe is connected to the disinfection box to input water. The control unit is installed in the disinfection box to control the mixing of water and a reagent. The liquid outlet pipe is connected to the disinfection box to output the mixed reagent. One end of the connector is connected to the liquid outlet pipe, and the other end is used to connect in series with a drain pipe for sterilization and disinfection.

[0007] Preferably, the disinfection box includes a housing, a medicament container, a sensing unit, a valve body, and a pump; the medicament container is installed inside the housing; the pump is connected to the medicament container; the valve body is communicated with the water inlet pipe and the liquid outlet pipe, and the valve body is also communicated with the output end of the pump and is provided with a Venturi tube; the sensing unit is installed on the housing to detect a sensing signal; the control unit is connected to the pump and the sensing unit to control the extraction of the medicament into the valve body for mixing according to the sensing signal.

[0008] Preferably, the valve body is provided with a water inlet and a liquid outlet. The water inlet is communicated with the water inlet pipe, the liquid outlet is communicated with the liquid outlet pipe and is provided with a medicament inlet, the medicament inlet is communicated with the pump, and the water inlet and the medicament inlet are respectively located at two ends of the Venturi tube.

[0009] Preferably, the water inlet and the liquid outlet form an included angle.

[0010] Preferably, the drain pipe is provided with at least two pipe bodies; the connecting piece is a sleeve, the sleeve is connected in series between two of the pipe bodies and is provided with an interface, and the interface is connected to the liquid outlet pipe.

[0011] Preferably, the water inlet pipe is provided with a control valve, and the control valve is connected to the control unit.

[0012] Preferably, the housing includes a base and a cover body, and the cover body is hinged to the base.

[0013] Preferably, a spray head is connected to the end of the liquid outlet pipe, and the spraying end of the spray head is inserted into the connecting piece.

[0014] Preferably, a hanging piece is further provided on the housing.

[0015] A sterilizing and disinfecting water tank includes a water tank body, which is provided with a water inlet pipe and a drain pipe, and is characterized in that: it further includes the above-mentioned sterilizing and disinfecting device, and the connecting piece is communicated with the drain pipe of the water tank body.

[0016] Preferably, the water inlet pipe is communicated with the water inlet pipe of the water tank body.

[0017] A sterilizing and disinfecting squatting toilet includes a squatting toilet body, and is characterized in that: it further includes the above-mentioned sterilizing and disinfecting water tank.

[0018] As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention designs a modular sterilization and disinfection device. Components such as an inlet pipe, an outlet pipe, a control unit, and a connector are added to the disinfection box. Water and the medicament are mixed, and the device is connected to the drain pipe of the existing drainage device through the connector, realizing the function of sterilizing and disinfecting the existing drainage device. The sterilization and disinfection function can be added without changing the structure of the existing drainage device, and the installation is very convenient and easy to promote.

[0020] 2. In the device of the present invention, a medicament container, a pump, a control unit, a sensing unit, and a valve body are arranged in the housing. A Venturi tube is arranged in the valve body. According to the sensing signal, the medicament is controlled to be extracted into the valve body for mixing and discharged through the liquid outlet, which can realize non-contact sterilization and disinfection, is easy to install, has a simple structure, and has a low cost.

[0021] 3. In the device of the present invention, the water inlet and the medicament inlet are respectively arranged at both ends of the Venturi tube, so that the medicament and water are mixed more evenly, and it can avoid the situation that the medicament cannot be extracted due to excessive water pressure.

[0022] 4. In the device of the present invention, the water inlet and the liquid outlet are arranged at an angle, which is conducive to the mixing of the medicament, reduces the volume of the valve body, and is convenient for external connection of pipes.

[0023] 5. In the device of the present invention, the housing includes a hinged base and a cover body, which is convenient for supplementing the medicament or replacing the medicament container, etc.

[0024] 6. The device of the present invention can set the conditions for starting sterilization and disinfection as needed. For example, it can be started when it is detected that the preset number of people approach; or it can be started immediately when a person is detected to approach; or a timer can be set to start disinfection and sterilization according to the preset time (24 hours); or a control switch can be set, etc. The control method is flexible and can be set according to needs.

[0025] 7. The device of the present invention can be installed in existing squat toilets and toilet bowls, thereby adding a new sterilization and disinfection function, and is convenient for disassembly and installation and easy to promote.

[0026] 8. The water tank and the squat toilet of the present invention can realize non-contact, timed, and quantitative full-automatic all-round sterilization and disinfection flushing of the squat toilet and its attached tracks, sewers, etc., avoiding cross-infection caused by using the toilet and preventing the remote transmission of infectious diseases through the pipes between floors. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is the structural diagram of the present invention;

[0028] Figure 2 is the exploded view of the present invention;

[0029] Figure 3 is the cross-sectional view of the valve body;

[0030] Figure 4 It is a structural diagram of a nozzle;

[0031] Figure 5 A sectional view of the present invention;

[0032] Figure 6 It is a schematic diagram of the shell being opened;

[0033] Figure 7 It is a structural diagram of the water tank of the present invention;

[0034] Figure 8 is Figure 7 Internal connection diagram;

[0035] Figure 9 It is an exploded view of the main components of the squatting toilet of the present invention

[0036] Wherein: 10, shell; 11, base; 12, cover body; 13, hanging part; 14, induction window; 15, connecting piece; 16, interface; 17, sleeve; 20, medicine container; 21, bottle cap; 30, pump; 40, control unit; 60, valve body; 61, water inlet; 62, liquid outlet; 63, Venturi tube; 64, medicine inlet; 65, reduced diameter section; 66, equal diameter section; 67, control valve; 67a, valve seat; 68, water inlet pipe; 69, liquid outlet pipe; 69a, nozzle; 70, water tank body; 71, water inlet pipe; 72, drain pipe; 73, induction area; 80, squatting toilet body.

[0037] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Specific embodiments

[0038] The present invention will be further described below through specific embodiments.

[0039] See Figures 1 to 6 , a sterilization and disinfection device, including a disinfection box, a water inlet pipe 68, a liquid outlet pipe 69, a control unit 40, a connecting piece 15, etc. The water inlet pipe 68 is connected to the disinfection box to input water. The control unit is installed in the disinfection box to control the mixing of water and medicine. The liquid outlet pipe 69 is connected to the disinfection box to output the mixed medicine; one end of the connecting piece 15 is connected to the liquid outlet pipe 69, and the other end is used to connect in series with the drain pipe for sterilization and disinfection.

[0040] Among them, the disinfection box includes a housing 10, a medicine container 20, a pump 30, a sensing unit, and a valve body 60. The medicine container 20 is installed inside the housing 10, the pump 30 is connected to the medicine container 20, and the sensing unit is installed on the housing 10 to detect a sensing signal; the valve body 60 is provided with a water inlet 61 and a liquid outlet 62, the water inlet 61 is connected to a water inlet pipe 68, the liquid outlet 62 is connected to a liquid outlet pipe 69, the liquid outlet 62 is communicated with the output end of the pump 30 and is provided with a Venturi tube 63; the control unit 40 is connected to the pump 30 and the sensing unit, and is used to control the extraction of medicine into the valve body 60 for mixing according to the sensing signal.

[0041] Among them, the housing 10 includes a base 11 and a cover 12. The cover 12 is hinged to the base 11, that is, the cover 12 can be opened or closed relative to the base 11, which is convenient for replenishing medicine or replacing the medicine container 20, etc. The medicine container 20 is provided with a bottle cap 21, and the medicine container 20 can be used to hold liquid sterilization and disinfection medicines, such as chlorine-containing disinfectants, peroxide disinfectants, aldehyde disinfectants, alcohol disinfectants, iodine-containing disinfectants, phenolic disinfectants, ethylene oxide, biguanide disinfectants, and quaternary ammonium salt disinfectants, etc. A partition for positioning the medicine container 20 and the pump 30 is arranged inside the housing 10. The control unit 40 can be installed in the base 11 or the cover 12, and the sensing unit is installed at a suitable position on the cover 12. In addition, in order to facilitate the installation of the housing 10, a hanging part 13 can be arranged on the housing 10.

[0042] The valve body 60 is used to mix water and medicine. The liquid outlet 62 of the valve body 60 is also provided with a medicine inlet 64. The medicine inlet 64 is communicated with the pump 30 through a pipeline, and a one-way valve can be arranged in the pipeline to avoid reverse flow. The water inlet 61 and the medicine inlet 64 of the valve body are respectively located at both ends of the Venturi tube 63. The Venturi tube 63 includes a variable-diameter section 65 and an equal-diameter section 66. The variable-diameter section 65 can accelerate the liquid. The water inlet 61 can be located on the side where the variable-diameter section 65 is located, and the medicine inlet 64 is located on the side where the equal-diameter section 66 is located. The Venturi tube 63 makes the medicine and water mix more evenly and can avoid the situation that the medicine cannot be pumped out due to excessive water pressure. According to needs, the medicine inlet 64 can also be arranged on the side where the variable-diameter section 65 is located, and the water inlet 61 can be arranged on the side where the equal-diameter section 66 is located.

[0043] Furthermore, an included angle is provided between the water inlet 61 and the liquid outlet 62, and the size of the included angle can be set according to needs, preferably perpendicular to each other. An included angle is also provided between the medicine inlet 64 and the liquid outlet 62, and the size of the included angle can be set according to needs, preferably perpendicular to each other. Adopting this structure is beneficial to the mixing of medicine, reduces the volume of the valve body, and is convenient for external pipelines.

[0044] The water inlet 61 of the present invention is also provided with a control valve 67, which is connected to the valve body 60 through a valve seat 67a. The control valve 67 is connected to the control unit 40, and the on-off of the water inlet 61 is controlled through the control valve 67. The control valve 67 is communicated with the water inlet pipe 68, and a check valve can be arranged in the water inlet pipe 68 to avoid reverse flow. The control valve 67 can adopt an electromagnetic valve or the like to control the water inlet switch and water flow rate.

[0045] In practical applications, in order to achieve a better sterilization and disinfection effect, a spray head 69a is connected to the end of the liquid outlet pipe 69. The spraying end of the spray head 69a is located inside the connecting member 15 and is used for spraying the mixed medicament.

[0046] The induction unit of the present invention can adopt conventional induction devices such as an infrared sensor or an ultrasonic sensor, etc., for detecting whether someone approaches. A corresponding induction window 14 is arranged on the outer shell 10. The pump 30 can adopt a metering pump, and its flow rate of extracting the medicament can be set according to needs. The control unit 40 can be implemented by using an 8253 chip or other chips with similar functions, and is used for receiving signals from the induction unit and controlling the on-off of the pump 30 and the control valve 67.

[0047] In the present invention, the control unit 40 can record the number of times the induction unit detects a person approaching. When the preset number of times is reached, the pump 30 and the control valve 67 are started to work. The control valve 67 is opened, water flows through the water inlet 61 and enters the Venturi tube 63. The pump 30 extracts the concentrated disinfectant from the medicament container 20 and inputs it into the liquid outlet pipe 69 to be uniformly mixed with the accelerated water flow, and then is sprayed through the spray head 69a.

[0048] The control mode of the control unit 40 of the present invention is not limited to this, and can be set according to the selection of the disinfection object. For example, sterilization and disinfection can also be started when a person is detected approaching. Or a timer can be set to start disinfection and sterilization according to a preset time (24 hours), and the preset time can be set according to needs. In addition, a control switch can also be set, which can be a mechanical switch or a touch switch, installed at a suitable position on the outer shell 10 and connected to the control unit 40. When the control switch is triggered, disinfection and sterilization are started.

[0049] The sterilization and disinfection device of the present invention can be connected to an existing water tank or other drainage devices to achieve sterilization and disinfection. Its connecting member 15 includes an interface 16 and a sleeve 17. One end of the interface 16 is connected to the liquid outlet pipe 69, and the other end is connected to the sleeve 17. A threaded fit can be adopted between the interface 16 and the liquid outlet pipe. The sleeve 17 can be sleeved with the drainage pipe 72. Among them, one end of the sleeve 17 can be provided with internal threads, and the other end can be provided with external threads for threaded fit with the drainage pipe 72.

[0050] The structure of the connecting member 15 is not limited to this, and a tee or other T-shaped joint can be used instead. The connection method with the drain pipe can also be other connection methods such as sealed socket connection. Similarly, its water inlet pipe 68 can also be connected to the water inlet pipe of an existing water tank or other device through a tee or other T-shaped joint.

[0051] Therefore, the present invention also proposes a sterilizing and disinfecting water tank. Refer to Figures 7 - 8 , which includes a water tank body 70 and the above-mentioned sterilizing and disinfecting device. The water tank body 70 is provided with a water inlet pipe 71 and a drain pipe 72. The connecting member 15 of the sterilizing and disinfecting device is connected in series with the drain pipe 72 of the water tank body 70. The water inlet pipe 68 is communicated with the water inlet pipe 71.

[0052] Specifically, the water inlet pipe 68 of the sterilizing and disinfecting device is connected to the water inlet pipe 71 of the water tank and a angle valve through a tee. The angle valve is connected to a water supply pipe. The drain pipe 72 of the water tank includes at least two pipe bodies sleeved. One end of the pipe body is provided with an external thread, and the other end is provided with an internal thread. The sleeve 17 of the connecting member 15 of the sterilizing and disinfecting device is connected in series between two of the pipe bodies, and is fixed by thread matching. Then the nozzle 69a can spray the mixed medicament into the drain pipe 72 for sterilization and disinfection.

[0053] A drain valve is arranged inside the water tank body 70, and common drainage methods such as inductive drainage or push-button drainage can be adopted. For a water tank with inductive drainage, an inductive device, a control valve, etc. are provided, and an induction area 73 is also arranged on the water tank body 70. A water tank with push-button drainage is provided with a button, a drain valve, etc. Preferably, a water tank with inductive drainage is adopted.

[0054] The present invention also proposes a sterilizing and disinfecting squat toilet. Refer to Figure 9 , which includes a squat toilet body 80 and the above-mentioned sterilizing and disinfecting water tank. The water inlet end of the squat toilet body 80 is communicated with the drain pipe 72 of the water tank body 70. When starting sterilization and disinfection, the mixed and diluted medicament can enter the inside of the squat toilet body 80 through the drain pipe 72 to flush the toilet surface, realizing sterilization and disinfection, and then enter the S-bend pipe and the sewer pipe for comprehensive disinfection and sterilization. It can avoid cross-infection caused by using the toilet and prevent the long-distance spread of infectious diseases through the pipes between floors.

[0055] The above is only the specific implementation manner of the present invention, but the design concept of the present invention is not limited to this. Any non-substantive modification made to the present invention using this concept shall fall within the scope of infringement of the protection scope of the present invention.

Claims

1. A sterilization and disinfection device, comprising a disinfection box, characterized in that: It further includes an inlet pipe, an outlet pipe, a control unit and a connector. The inlet pipe is connected to the disinfection box to input water. The control unit is installed in the disinfection box to control the mixing of water and medicine. The outlet pipe is connected to the disinfection box to output the mixed medicine. One end of the connector is connected to the outlet pipe, and the other end is used to connect in series with a drain pipe for sterilization and disinfection. The disinfection box includes a medicine container, a sensing unit, a valve body and a pump. The pump is connected to the medicine container. The valve body is communicated with the inlet pipe and the outlet pipe, and the valve body is also communicated with the output end of the pump and is provided with a Venturi tube. The sensing unit is used to detect a sensing signal. The control unit is connected to the pump and the sensing unit to control the extraction of medicine into the valve body for mixing according to the sensing signal.

2. A sterilization and disinfection device according to claim 1, characterized in that: The disinfection box includes a housing. The medicine container is installed in the housing. The sensing unit is installed on the housing.

3. The sterilization and disinfection device according to claim 2, characterized in that: The valve body is provided with an inlet and an outlet. The inlet is communicated with the inlet pipe, the outlet is communicated with the outlet pipe and is provided with a medicine inlet, and the medicine inlet is communicated with the pump. The inlet and the medicine inlet are respectively located at both ends of the Venturi tube.

4. The sterilization and disinfection device according to claim 3, wherein: The inlet and the outlet have an included angle.

5. A sterilization and disinfection device according to claim 1, characterized in that: The drain pipe is provided with at least two pipe bodies. The connector is a sleeve, which is connected in series between two of the pipe bodies and is provided with an interface, and the interface is connected to the outlet pipe.

6. The sterilization and disinfection device according to claim 1, characterized in that: The inlet pipe is provided with a control valve, and the control valve is connected to the control unit.

7. The sterilization and disinfection device according to claim 2, wherein: The housing includes a base and a cover body, and the cover body is hinged to the base.

8. The sterilization and disinfection device according to claim 1, wherein: The end of the outlet pipe is connected with a spray head, and the spraying end of the spray head is located inside the connector.

9. The sterilization and disinfection device according to claim 2, characterized in that: A hanging member is further provided on the housing.

10. A sterilizing and disinfecting water tank, comprising a water tank body, which is provided with a water inlet pipe and a drain pipe, and is characterized in that: It further includes a sterilization and disinfection device according to any one of claims 1 to 9, and the connector is communicated with the drain pipe of the water tank body.

11. A sterilizing water tank according to claim 10, characterized in that: The inlet pipe is communicated with the inlet pipe of the water tank body.

12. A bactericidal and disinfection squat toilet, comprising a squat toilet body, characterized in that: It further includes a sterilization and disinfection water tank according to any one of claims 10 or 11.

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