A flushing device for smart toilet

Abstract

The present invention belongs to the technical field of smart toilets, and specifically relates to a flushing device for smart toilets, including a water storage tank arranged in a toilet body, the water storage tank is connected to a water inlet pipe through a first water pipe, a first solenoid valve for controlling the on-off of the first water pipe and the water inlet pipe is arranged between the first water pipe and the water inlet pipe; the water inlet pipe is also connected to the water inlet end of a booster water pump, and the water outlet end of the booster water pump is connected to a flushing nozzle in the toilet body through a second water pipe. When flushing is performed when the water supply is cut off, compared with a toilet without a water tank, the present invention can flush by using the pressure difference through the water stored in the water tank; when flushing is performed when the power is cut off, the water stored in the water tank is flushed by using the pressure difference, and at the same time, the water inlet pipe is used for water supply flushing. Through the superimposed water supply pressure of the two, a better flushing pressure can be guaranteed to obtain a better flushing effect.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent toilets, and in particular to a flushing device for intelligent toilets. Background Art

[0002] As people's living conditions improve, more and more families will install smart toilets for people's convenience. Currently, toilets are divided into two types: with water tanks and without water tanks. Among them, toilets with water tanks mainly use the gravitational potential energy of water to naturally flush the toilet. In order to achieve the purpose of gravity flushing, the water level in the water tank must be higher than the siphon jet outlet of the toilet; toilets without water tanks are connected to natural water pipelines, and pressure flushing is performed by controlling the flushing valve to use the water pressure of natural water. They are highly dependent on the water pressure of natural water supply, and flushing cannot be completed with low water pressure. The noise is large and the flushing water volume is unstable.

[0003] In order to solve the above problems, people have solved the problem of water supply pressure by installing a water pump between the connecting pipe of the water tank and the jet outlet, such as the toilet disclosed in Chinese utility model CN201820208257.X, which includes a toilet body, a water tank, an air isolation device and a water pump. The toilet body is provided with a jet outlet facing the sewage outlet; the water pump is used to extract water from the water tank, and the water outlet of the water pump is connected to the jet outlet on the toilet body through the air isolation device, and the air isolation device is used to prevent sewage from flowing back from the jet outlet of the toilet body to the water tank.

[0004] The water pump can draw water from the water tank and spray the water out from the jet outlet at a certain flow rate. Therefore, the toilet can be flushed regardless of whether the water level in the water tank is higher than the jet outlet. That is, the position of the water tank can be set as needed, and the empty space at the bottom of the toilet can be used to increase the capacity of the water tank. In addition, this setting does not rely on water supply pressure.

[0005] It should be pointed out that when there is a power outage, flushing can only be done through the height difference between the water tank and the jet nozzle. The water pressure is very small and the flushing is not clean, so its structure needs to be improved. Summary of the invention

[0006] The purpose of the present invention is to provide a flushing device for an intelligent toilet, which provides water supply pressure through a water inlet pipe and a water storage tank at the same time, thereby solving the problem of low water supply pressure during power outages.

[0007] The objective of the present invention is achieved in this way: a flushing device for an intelligent toilet comprises a water storage tank arranged in a toilet body, the water storage tank is connected to a water inlet pipe through a first water pipe, a first solenoid valve for controlling the on-off of the first water pipe and the water inlet pipe is arranged between the first water pipe and the water inlet pipe; the water inlet pipe is also connected to the water inlet end of a booster water pump, and the water outlet end of the booster water pump is connected to a flushing nozzle in the toilet body through a second water pipe.

[0008] Preferably, the booster water pump is a straight-through type.

[0009] Preferably, the water outlet end of the booster water pump is connected to a three-way diverter pipe through a second water pipe, the first water outlet of the three-way diverter pipe is connected to the upper flush water nozzle in the toilet body through a third water pipe, and the second water outlet of the three-way diverter pipe is connected to the lower flush water nozzle in the toilet body through a fourth water pipe.

[0010] Preferably, a second solenoid valve for controlling the on-off of the third water pipe is provided between the third water pipe and the upper flushing water nozzle.

[0011] Preferably, a third solenoid valve for controlling the on-off of the fourth water pipe is provided between the fourth water pipe and the down-flush water nozzle.

[0012] Preferably, a sensor for detecting the water level is arranged on the wall of the water storage tank, and can control the on and off of the first solenoid valve.

[0013] Preferably, the height of the water tank is higher than the position of the flushing nozzle, and a drain plate for draining water extends from one side of the water tank, and one end of the drain plate extends to a drain outlet.

[0014] Preferably, the water inlet pipe is connected to a four-way diverter pipe, the first water outlet of the four-way diverter pipe is connected to the water tank through a first water pipe, the second water outlet of the four-way diverter pipe is connected to the water inlet end of the booster water pump through a fifth water pipe, and the third water outlet of the four-way diverter pipe is connected to the water inlet end of the down-flush nozzle through a sixth water pipe.

[0015] Preferably, the lower flushing nozzle is a three-way pipe, and a partition is provided in the lower flushing nozzle so that its inner cavity is formed into a first flushing cavity and a second flushing cavity respectively, the water inlet end of the first flushing cavity is connected to the fourth water pipe, and the water inlet end of the second flushing cavity is connected to the sixth water pipe, and the cross-sectional area of ​​the second flushing cavity is smaller than the cross-sectional area of ​​the first flushing cavity.

[0016] Preferably, the flushing port of the second flushing cavity is arc-shaped, and a circular arc pressurizing portion extending to the flushing port is provided in the second flushing cavity.

[0017] Compared with the prior art, the present invention has the following outstanding and beneficial technical effects:

[0018] 1. In the normal flushing process of the present invention, the water source first enters the booster water pump through the water inlet pipe for pressurization, and then is sprayed out from the flush nozzle through the second water pipe, so as to flush the toilet. The flushing pressure can be guaranteed by the setting of the booster water pump, and there is no problem of dependence on the water supply pressure; when the water supply is cut off for flushing, compared with the toilet without a water tank, the present invention can use the pressure difference of the water stored in the water tank for flushing; when the power is cut off for flushing, the water stored in the water tank is used for flushing by the pressure difference, and the water inlet pipe is used for water supply and flushing at the same time. The superimposed water supply pressure of the two can ensure a better flushing pressure and obtain a better flushing effect.

[0019] 2. The present invention provides a three-way diverter pipe so that the water pressurized by the booster water pump can be diverted to the upper flushing nozzle and the lower flushing nozzle to flush the toilet, and the flushing effect is good.

[0020] 3. The present invention arranges the solenoid valves, each of which is connected to the main unit of the toilet body. The main unit can control the switch of the solenoid valve, thereby controlling the on and off of the water source, and the control and adjustment are convenient.

[0021] 4. The present invention uses a sensor to transmit a signal to the smart toilet host when the water level in the water tank reaches a set height, and the host controls the on and off of the first solenoid valve.

[0022] 5. The present invention provides a drain plate. When the water in the water storage tank is overfull, the water will be discharged into the drain port of the toilet through the drain plate instead of leaking onto the ground.

[0023] 6. The present invention adopts the arrangement of a four-way shunt pipe. When a power outage occurs, the water in the water inlet pipe will be directly sprayed out from the lower flushing nozzle through the sixth water pipe for cleaning, thereby maintaining a relatively high flushing water pressure.

[0024] 7. The down flush nozzle in the present invention is in the form of a three-way pipe. Since the cross-sectional area of ​​the second flush cavity in the three-way pipe is smaller than the cross-sectional area of ​​the first flush cavity, the water flow transported by the water inlet pipe to the first flush cavity will become faster due to the smaller water flow channel, thereby obtaining a pressurized state, thereby obtaining a larger flushing water pressure and achieving a better flushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention.

[0026] Figure 2 The structure of the flushing device Figure 1 .

[0027] Figure 3 The structure of the flushing device Figure 2 .

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure of the down-flush water sprinkler.

[0029] Figure 5 This is the front view of the down-flush sprinkler.

[0030] Figure 6 for Figure 5 Cross-sectional view at AA in the middle.

[0031] Figure numerals: 1-toilet body; 2-water tank; 3-first water pipe; 4-water inlet pipe; 5-first solenoid valve; 6-boosting water pump; 7-second water pipe; 8-three-way diverter pipe; 9-third water pipe; 10-fourth water pipe; 11-second solenoid valve; 12-third solenoid valve; 13-sensor; 14-drain plate; 15-four-way diverter pipe; 16-fifth water pipe; 17-sixth water pipe; 18-lower flush nozzle; 19-partition; 20-first flush cavity; 21-second flush cavity; 22-flushing port; 23-arc booster; 24-upper flush nozzle; 25-fourth solenoid valve; 26-fifth solenoid valve; 27-spray pipe; 28-check valve. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-6 The specific implementation modes of the present invention are described in further detail.

[0033] A flushing device for an intelligent toilet.

[0034] like Figure 1 As shown, it includes a water tank 2 arranged in the toilet body 1, the water tank 2 is connected to the water inlet pipe 4 through the first water pipe 3, the water inlet pipe 4 is connected to the external water supply source, the water supply source directly enters the water tank 2 through the water inlet pipe 4 and the first water pipe 3, and a first solenoid valve 5 for controlling the on and off of the first water pipe 3 and the water inlet pipe 4 is arranged between the first water pipe 3 and the water inlet pipe 4. When the water level in the water tank 2 reaches a set height, the first solenoid valve 5 will be closed and the water supply will stop.

[0035] Combination Figure 2A booster water pump 6 is also connected to one end of the water inlet pipe 4, and the other end of the booster water pump 6 is connected to the flushing nozzle in the toilet body 1 through the second water pipe 7. During normal flushing, the water source first enters the booster water pump 6 through the water inlet pipe 4 for pressurization, and then is sprayed out from the flushing nozzle through the second water pipe 7, so as to flush the toilet. The flushing pressure can be guaranteed by the setting of the booster water pump 6, and there is no problem of relying on the water supply pressure; when the water supply is cut off for flushing, the water stored in the water tank is used for flushing by pressure difference; because the booster water pump 6 is a straight-through type, when the power is cut off for flushing, the booster water pump 6 does not work at this time and is only used as a pipeline. The water stored in the water tank is used for flushing by pressure difference, and at the same time, the water inlet pipe is used for flushing. The superimposed water supply pressure of the two can ensure a better flushing pressure and obtain a better flushing effect.

[0036] Look specifically Figure 2 The other end of the booster water pump 6 is connected to a three-way diverter pipe 8 through a second water pipe 7 to divert water to an upper flushing nozzle and a lower flushing nozzle. The first water outlet of the three-way diverter pipe 8 is connected to the upper flushing nozzle in the toilet body 1 through a third water pipe 9. A second solenoid valve 11 for controlling the on and off of the third water pipe 9 is provided between the upper flushing nozzle.

[0037] Look specifically Figure 2 The second water outlet of the three-way diverter pipe 8 is connected to the down-flushing nozzle in the toilet body 1 through the fourth water pipe 10, and a third solenoid valve 12 for controlling the on-off of the fourth water pipe 10 and the down-flushing nozzle is provided between the fourth water pipe 10 and the down-flushing nozzle.

[0038] Look specifically Figure 2 The water tank 2 is provided with a sensor 13 for detecting the water level. When the water level in the water tank 2 reaches a set height, the sensor 13 transmits a signal to the smart toilet host, and the host controls the on and off of the first solenoid valve 5.

[0039] Look specifically Figure 1 The height of the water tank 2 is higher than the position of the flushing nozzle, and the height difference is converted into a water pressure difference to ensure that there is sufficient water pressure to flush the toilet. A drain plate 14 for drainage extends from one side of the water tank 2, and one end of the drain plate 14 extends to the drain port. When the water in the water tank 2 is too full, the water will be discharged into the drain port of the toilet through the drain plate 14 without leaking onto the ground.

[0040] Look specifically Figure 3In order to make the flushing water pressure more sufficient when the power is off, a four-way diverter pipe 15 is connected to one end of the water inlet pipe 4, and the first water outlet of the four-way diverter pipe 15 is connected to the water storage tank 2 through the first water pipe 3, and the second water outlet of the four-way diverter pipe 15 is connected to the water inlet end of the booster water pump 6 through the fifth water pipe 16. The third water outlet of the four-way diverter pipe 15 is directly connected to the water inlet end of the lower flushing nozzle 18 through the sixth water pipe 17. When the power is off, the water flow in the water inlet pipe 4 will be directly sprayed out from the lower flushing nozzle through the sixth water pipe 17 for cleaning, avoiding the problem of water pressure loss due to the stopped booster water pump 6, and can maintain a large flushing water pressure to obtain a better cleaning effect.

[0041] Combination Figure 4 and Figure 6 The lower flushing nozzle 18 is a three-way pipe, and a partition 19 is arranged in the lower flushing nozzle 18 so that its inner cavity is formed into a first flushing cavity 20 and a second flushing cavity 21 respectively. The water inlet end of the first flushing cavity 20 is connected with the fourth water pipe 10, and the water inlet end of the second flushing cavity 21 is connected with the sixth water pipe 17. Since the cross-sectional area of ​​the second flushing cavity 21 is smaller than the cross-sectional area of ​​the first flushing cavity 20, the water flow transported by the water inlet pipe 4 to the first flushing cavity 21 will have a faster flow rate due to the smaller water flow channel, thereby obtaining a boost pressure and obtaining a larger flushing water pressure.

[0042] Combination Figure 4 and Figure 6 Since the water flowing in the first flushing cavity 20 is pressurized by the booster pump 6 and then transported through the fourth water pipe 10, its water pressure is relatively large and does not need to be pressurized again. The water flowing in the second flushing cavity 21 is directly transported by the water inlet pipe 4, so the water pressure may be relatively small. Therefore, it is necessary to pressurize it in order to maintain a large flushing water pressure for flushing. The second flushing cavity 21 is provided with an arc pressurizing portion 23 extending to the flushing port 22, so that the cross-sectional area of ​​the second flushing cavity is gradually reduced from the inside to the flushing port 22. Therefore, after the water flows through the second flushing cavity 21, as the cross-sectional area of ​​the pipe becomes smaller, the flow rate will become faster, and even when the tap water pressure is low, a good flushing effect can be achieved. The flushing port 22 of the second flushing cavity 21 is arc-shaped, and the flushed water is more uniform.

[0043] Look specifically Figure 3 A check valve 28 is installed on the water inlet pipe 4 to prevent water from flowing back, and the water inlet pipe 4 is also connected to a water spray pipe 27 for washing the buttocks, and a fifth solenoid valve 26 is installed on the water spray pipe 27 to control its switch.

[0044] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A flushing device for an intelligent toilet, characterized in that: The toilet comprises a water storage tank (2) arranged in a toilet body (1), the water storage tank (2) being connected to a water inlet pipe (4) via a first water pipe (3), a first solenoid valve (5) being arranged between the first water pipe (3) and the water inlet pipe (4) for controlling the on-off thereof; the water inlet pipe (4) is also connected to a water inlet end of a booster water pump (6), and a water outlet end of the booster water pump (6) is connected to a flushing nozzle in the toilet body (1) via a second water pipe (7); The booster water pump (6) is of a straight-through type; The water inlet pipe (4) is connected to a four-way diverter pipe (15); a first water outlet of the four-way diverter pipe (15) is connected to the water storage tank (2) via a first water pipe (3); a second water outlet of the four-way diverter pipe (15) is connected to the water inlet end of the booster water pump (6) via a fifth water pipe (16); and a third water outlet of the four-way diverter pipe (15) is connected to the water inlet end of the down-flush sprinkler (18) via a sixth water pipe (17); The water outlet of the booster water pump (6) is connected to a three-way diverter pipe (8) via a second water pipe (7); a first water outlet of the three-way diverter pipe (8) is connected to an upper flushing water nozzle (24) in the toilet body (1) via a third water pipe (9); and a second water outlet of the three-way diverter pipe (8) is connected to a lower flushing water nozzle (18) in the toilet body (1) via a fourth water pipe (10).

2. A flushing device for an intelligent toilet according to claim 1, characterized in that: A second solenoid valve (11) for controlling the on / off of the third water pipe (9) and the upper water spray head (24) is provided between the third water pipe (9) and the upper water spray head (24).

3. A flushing device for an intelligent toilet according to claim 1, characterized in that: A third solenoid valve (12) for controlling the on / off of the fourth water pipe (10) and the down-flush water nozzle (18) is provided between the fourth water pipe (10) and the down-flush water nozzle (18).

4. A flushing device for an intelligent toilet according to claim 1, characterized in that: A sensor (13) for detecting the water level is arranged on the wall surface of the water storage tank (2), and can control the on and off of the first solenoid valve (5).

5. A flushing device for an intelligent toilet according to claim 1, characterized in that: The height of the water storage tank (2) is higher than the position of the flushing nozzle, and a drain plate (14) for draining water extends from one side of the water storage tank (2), with one end of the drain plate (14) extending to a drain outlet.

6. A flushing device for an intelligent toilet according to claim 1, characterized in that: The lower flushing nozzle (18) is a three-way pipe. A partition (19) is provided inside the lower flushing nozzle (18) so that its inner cavity is formed into a first flushing cavity (20) and a second flushing cavity (21), respectively. The water inlet end of the first flushing cavity (20) is connected to the fourth water pipe (10), and the water inlet end of the second flushing cavity (21) is connected to the sixth water pipe (17). The cross-sectional area of ​​the second flushing cavity (21) is smaller than the cross-sectional area of ​​the first flushing cavity (20).

7. A flushing device for an intelligent toilet according to claim 6, characterized in that: The flushing port (22) of the second flushing cavity (21) is arc-shaped, and a circular arc pressure-increasing portion (23) extending to the flushing port (22) is provided in the second flushing cavity (21).

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