A segmented automatic flushing toilet tank

Abstract

This utility model discloses a segmented automatic flushing toilet tank, including an outer tank and an inner tank. The inner tank is divided into a brush ring tank, a powerful flush tank, and a replenishment tank. The outer tank also houses a brush ring module, a powerful flush module, and a replenishment module, all connected to the inlet pipe. An external air pump module is connected to the brush ring module, which changes the opening and closing of the brush ring module via air pressure. The brush ring module is connected to the brush ring pipe of the toilet bowl. Changes in the water level inside the brush ring tank change the opening and closing of the brush ring module. Changes in the water level inside the powerful flush tank change the opening and closing of the powerful flush module, which supplies water to the powerful flush pipe of the toilet bowl for flushing. Changes in the water level inside the replenishment tank change the opening and closing of the replenishment module, which replenishes water to the powerful flush tank via a replenishment pipe, thus changing the opening and closing of the powerful flush module. The replenishment module is connected to the toilet bowl to provide a water seal. Compared with existing technologies, this utility model effectively ensures the continuity and reliability of the overall control process of the toilet tank device.

Description

Technical Field

[0001] This utility model relates to the field of toilet device technology, and in particular to a segmented automatic flushing toilet tank. Background Technology

[0002] Toilet systems are common sanitary ware devices used in daily life, typically consisting of a water tank, a bowl, and a built-in flushing pipe. Traditional toilet systems have a water tank at the back of the bowl. When the user flushes, they press a switch located on top, opening the drain valve. The water stored in the tank is then flushed out of the bowl due to gravity, using the flushing pipe to remove waste.

[0003] To achieve a compact overall design, smart toilets often eliminate the traditional water tank. Instead, they utilize electric switches for flushing, such as brush seat, strong flush, and refill switches, which operate in a specific logical sequence to fulfill different functions. However, incorporating multiple control switches results in a greater number of electrical components and a more complex internal structure. Furthermore, the water tank requires additional detection modules to activate the control programs, leading to a more complex and redundant flushing process and internal tank structure, ultimately resulting in higher maintenance costs.

[0004] To simplify the flushing structure of smart toilets, existing technologies divide the water tank into several mechanical components that work together. However, during normal flushing, the process typically includes brushing, strong flushing, and water replenishment. In existing toilets, users need to press a switch to activate the brush and then manually press the switch again to stop the brushing process. This makes the process disjointed. If the user forgets to press the switch again, water will continuously flush the toilet bowl, wasting a significant amount of water. Simultaneously, during the brushing process, a bypass replenishes water to the brush inlet valve, and the valve's closure is dynamically controlled by the water level. However, this control is not linked to the strong flushing process, resulting in a lack of continuity between the two actions and overall low efficiency. Utility Model Content

[0005] The main purpose of this invention is to propose a segmented automatic flushing toilet tank, which aims to ensure the continuity of the overall control process and the reliability of the overall control of the toilet tank device.

[0006] To achieve the above objectives, this utility model proposes a segmented automatic flushing toilet tank, which includes an outer tank and an inner tank. The inner tank is divided into a brush ring tank, a strong flush tank, and a replenishment tank. The outer tank is also equipped with a brush ring module, a strong flush module, and a replenishment module, which are all connected to the same inlet pipe.

[0007] An external air pump module is connected to the brush ring module. The air pump module changes the opening and closing state of the water circuit of the brush ring module through air pressure. The brush ring module is connected to the brush ring pipe of the toilet bowl. The brush ring changes the opening and closing state of the water circuit of the brush ring module again through the change of the water level inside the brush ring water tank.

[0008] The change in the water level inside the flush tank alters the opening and closing state of the flush module's water circuit, causing the flush module to supply water to the flush pipes of the toilet bowl for flushing.

[0009] The change in the water level inside the water tank alters the opening and closing state of the water circuit of the water replenishment module. The water replenishment module replenishes water to the flushing tank through the water replenishment pipe and changes the opening and closing state of the flushing module's water circuit again. The water replenishment module is connected to the toilet bowl to form a water seal.

[0010] Preferably, the brush ring module includes a brush ring water valve and a brush ring float. The brush ring water valve includes a top shell, a middle shell, a bottom shell, and a shell seat arranged axially in sequence. An expansion plate is provided inside the top shell to form an expansion cavity. A pressure plate is provided inside the middle shell and is connected to a central shaft passing through the middle shell. A first pressure-holding cavity is formed between the bottom shell and the middle shell. A sealing ring is provided at the bottom of the central shaft to change the pressure-holding state of the first pressure-holding cavity. A pressure-holding sealing gasket is provided at the bottom of the bottom shell to form a second pressure-holding cavity. A vent is provided inside the bottom shell to connect the first pressure-holding cavity and the second pressure-holding cavity.

[0011] Preferably, the air pump module is a one-way air pump, and the air outlet of the air pump is connected to the expansion chamber through an air pipe to supply gas.

[0012] Preferably, the brush ring water valve of the brush ring module is connected to the water supply and drainage pipe of the water supply module through a first water pipe, a venturi pipe, and a second water pipe, with at least the venturi pipe extending into the outer water tank to absorb water.

[0013] Preferably, the top of the strong flushing valve of the strong flushing module is oscillatingly connected to the strong flushing float via a strong flushing connecting rod. The strong flushing float extends into the strong flushing water tank, and the bottom of the strong flushing water tank is provided with a strong flushing water tank hole. The top of the water replenishment valve of the water replenishment module is oscillatingly connected to the water replenishment float via a water replenishment connecting rod. The water replenishment float extends into the water replenishment tank, and the bottom of the water replenishment tank is provided with a water replenishment water tank hole. The inner diameter of the water replenishment water tank hole is smaller than the inner diameter of the strong flushing water tank hole. The water replenishment valve is connected to the strong flushing water tank via a water replenishment pipe.

[0014] Preferably, the highest water level in the forced flushing tank is higher than the highest water level in the replenishment tank.

[0015] Preferably, the water replenishment module has a first proportional water valve facing upward in its water replenishment pipe, the strong flushing module has a second proportional water valve facing upward in its strong flushing drain pipe, and the brush ring module has a third proportional water valve facing downward in its brush ring drain pipe. The proportional water valves control the water flow direction and flow rate.

[0016] Preferably, the first proportional water valve, the second proportional water valve, and the third proportional water valve include an upper water valve body for defining the direction of water flow. The upper water valve body is also connected to a lower water valve plate. There is a gap between the lower water valve plate and the pipe, through which a small portion of the water flows.

[0017] Preferably, the inner water tank is built inside the outer water tank, the inner water tank and the outer water tank are connected at their inner middle parts, and there is a water-containing space between the bottom of the inner water tank and the bottom of the outer water tank.

[0018] The technical solution of this utility model has the following advantages over the prior art:

[0019] This utility model's technical solution features a segmented automatic flushing toilet tank with separate brush ring, strong flush, and water replenishment functions. The activation and deactivation of the brush ring-related structures are controlled by air pressure changes, while the strong flush process is controlled by water level changes in the strong flush tank, and the strong flush process is terminated by water replenishment. The water replenishment process is carried out in a timely manner through multiple channels, achieving the continuity and reliability of the overall control process of the toilet tank device. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the external structure of the segmented automatic flushing toilet tank of this utility model.

[0022] Figure 2 This is a schematic diagram of the internal structure of the segmented automatic flushing toilet tank of this utility model.

[0023] Figure 3 Another schematic diagram of the internal structure of the segmented automatic flushing toilet tank of this utility model;

[0024] Figure 4 This is a schematic diagram of the external structure of the inner water tank of this utility model;

[0025] Figure 5A side view of the internal structure of a segmented automatic flushing toilet tank;

[0026] Figure 6 This is an exploded view of part of the structure of a segmented automatic flushing toilet tank.

[0027] Figure 7 A schematic diagram of a three-dimensional structure with the central axis as the center.

[0028] Explanation of icon numbers:

[0029] 1. Outer water tank; 101. Top shell; 102. Bottom shell; 2. Inner water tank; 21. Insert groove; 3. Brush ring water tank; 31. Brush ring water tank hole; 32. Brush ring water valve; 321. Top shell; 3211. Air inlet; 3212. Air outlet; 3213. Air nozzle; 322. Intermediate shell; 3221. Axial center hole; 323. Bottom shell; 3231. Vent hole; 324. Expansion plate; 3241. Expansion cavity; 325. Pressure plate; 326. Shell seat; 327. First pressure holding cavity; 328. Second pressure holding cavity; 329. Pressure holding sealing gasket; 3210. Central shaft; 32101. Stepped shaft section; 32102 1. Spring; 32103. Sealing ring; 33. Brush ring drain pipe; 34. Brush ring connecting rod; 35. Brush ring float; 4. High-pressure flushing water tank; 41. High-pressure flushing water tank hole; 42. High-pressure flushing water valve; 43. High-pressure flushing drain pipe; 44. High-pressure flushing connecting rod; 45. High-pressure flushing float; 5. Water replenishment tank; 51. Water replenishing tank hole; 52. Water replenishing valve; 53. Water replenishing drain pipe; 54. Water replenishing connecting rod; 55. Water replenishing float; 56. Water replenishing pipe; 6. Water inlet pipe; 7. First water pipe; 8. Venturi tube; 81. Water inlet; 9. Second water pipe; 11. First proportional water valve; 12. Second proportional water valve; 13. Third proportional water valve; 14. Water inlet valve body; 15. Water outlet valve plate.

[0030] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] This utility model proposes a segmented automatic flushing toilet tank.

[0033] Please see Figure 1-7This utility model discloses a segmented automatic flushing toilet tank, comprising an outer tank 1 and an inner tank 2. The inner tank 2 is divided into a brush ring tank 3, a powerful flush tank 4, and a replenishment tank 5. The outer tank 1 also houses a brush ring module, a powerful flush module, and a replenishment module, all connected to the same inlet pipe 6. An external air pump module is connected to the brush ring module, which changes the opening and closing state of the brush ring module's water circuit through air pressure. The brush ring module is connected to the brush ring pipe of the toilet bowl. Changes in the water level inside the brush ring tank further change the opening and closing state of the brush ring module's water circuit. Changes in the water level inside the powerful flush tank change the opening and closing state of the powerful flush module's water circuit, which supplies water to the powerful flush pipe of the toilet bowl for flushing. Changes in the water level inside the replenishment tank change the opening and closing state of the replenishment module's water circuit. The replenishment module replenishes water to the powerful flush tank through a replenishment pipe and again changes the opening and closing state of the powerful flush module's water circuit. The replenishment module is connected to the toilet bowl for a water seal.

[0034] The air pump module is a one-way air pump. The air outlet of the air pump is connected to the brush ring water valve 32 of the brush ring module through an air pipe. Specifically, the air outlet of the air pump is connected to the expansion chamber through an air pipe to supply gas.

[0035] The brush ring module includes a brush ring water valve 32, a brush ring drain pipe 33, a brush ring connecting rod 34, and a brush ring float 35. The water inlet of the brush ring water valve 32 is connected to the same water inlet pipe 6, and the water outlet of the brush ring water valve 32 is connected to the brush ring drain pipe 33. The middle of the brush ring connecting rod 34 is rotatably connected to the brush ring water valve 32. One end of the brush ring connecting rod 34 is connected to the brush ring float 35, and the other end of the brush ring connecting rod 34 is sealed to the air outlet at the top of the brush ring water valve 32 by a sealing gasket. The brush ring float 35 extends into the brush ring water tank 3 and changes the swing angle of the brush ring connecting rod 34 by floating up and down.

[0036] The high-pressure flushing module includes a high-pressure flushing water valve 42, a high-pressure flushing drain pipe 43, a high-pressure flushing connecting rod 44, and a high-pressure flushing float 45. The water inlet of the high-pressure flushing water valve 42 is connected to the same water inlet pipe 6, and the water outlet of the high-pressure flushing water valve 42 is connected to the high-pressure flushing drain pipe 43. One end of the high-pressure flushing connecting rod 44 is rotatably connected to the high-pressure flushing water valve 42, and the other end of the high-pressure flushing connecting rod 44 is connected to the high-pressure flushing float 45. The high-pressure flushing float 45 extends into the high-pressure flushing water tank 4 and changes the swing angle of the high-pressure flushing connecting rod 44 by floating up and down.

[0037] The water replenishment module includes a water replenishment valve 52, a water replenishment and drainage pipe 53, a water replenishment connecting rod 54, and a water replenishment float 55. The inlet end of the water replenishment valve 52 is connected to the same inlet pipe 6, and the outlet end of the water replenishment valve 52 is connected to the water replenishment and drainage pipe 53. One end of the water replenishment connecting rod 54 is rotatably connected to the water replenishment valve 52, and the other end of the water replenishment connecting rod 54 is connected to the water replenishment float 55. The water replenishment float 55 extends into the water replenishment tank 5, and its swing angle is changed by moving up and down. Additionally, the water replenishment valve 52 extends into the forced flushing water tank 4 through the water replenishment pipe 56 to replenish water.

[0038] The segmented automatic flushing toilet tank of this utility model embodiment includes an outer tank 1 disposed on the outside. The outer tank 1 includes a top shell 101 and a bottom shell 102, which are assembled together to form the internal accommodating space of the outer tank 1.

[0039] An inner water tank 2 is provided inside the outer water tank 1. The inner water tank 2 can be integrally formed with the outer water tank 1, or the inner water tank 2 can be pre-manufactured and installed inside the outer water tank 1. Preferably, the inner water tank 2 is installed inside the outer water tank 1, which can be done by direct installation and fixation. For example, a corresponding insertion groove 21 is provided on the outer surface of the inner water tank 2, and a corresponding insertion protrusion is provided on the inner surface of the outer water tank 1, so that the inner water tank 2 and the outer water tank 1 are connected and fixed to each other by insertion. Alternatively, the inner water tank 2 is inserted longitudinally into the outer water tank 1, and the inner water tank 2 can move up and down along the longitudinal direction of the outer water tank 1, while the horizontal movement of the inner water tank 2 is restricted by the outer water tank 1.

[0040] In this utility model's technical solution, the inner water tank 2 is divided into a brush ring water tank 3, a high-pressure flushing water tank 4, and a replenishment water tank 5 along the same dimensional direction by a partition 21. The partition between the brush ring water tank 3 and the high-pressure flushing water tank 4 has a through hole, allowing water to flow between the two tanks. Specifically, water from the brush ring water tank 3 can flow into the high-pressure flushing water tank 4, or vice versa. Furthermore, the bottom surfaces of the brush ring water tank 3, the high-pressure flushing water tank 4, and the replenishment water tank 5 are respectively provided with a brush ring water tank hole 31, a high-pressure flushing water tank hole 41, and a replenishment water tank hole 51. These bottom holes allow the water inside the three tanks to flow downwards, meaning the water from the inner water tank 2 can enter the outer water tank 1 through these bottom holes.

[0041] In order to achieve different water flow velocities in the three water tanks, the inner diameter of the hole 41 of the strong flush water tank is larger than the inner diameter of the hole 51 of the water replenishment tank. That is, when the water level at the bottom of the outer water tank 1 is lower than the bottom of the inner water tank 2, the water inside the inner water tank 2 can flow from the inner water tank 2 to the outer water tank 1. And because the inner diameters of the bottom holes are different, the water level of the strong flush water tank 4 decreases at a greater rate than the water level of the water replenishment tank 5.

[0042] Preferably, in other embodiments of this utility model, the inner diameters of the flushing water tank hole 41 and the brush ring water tank hole 31 can be the same or different. If the inner diameters of the two are different, the water flow speeds of the flushing water tank 4 and the brush ring water tank 3 can also be different.

[0043] In this utility model technical solution, the outer water tank 1 is also equipped with a brush ring water valve 32, a strong flush water valve 42 and a water replenishment valve 52. The brush ring water valve 32, the strong flush water valve 42 and the water replenishment valve 52 are connected through the same water inlet pipe 6. That is, the inlet ends of the brush ring water valve 32, the strong flush water valve 42 and the water replenishment valve 52 are respectively connected to the same water inlet pipe 6 and receive water.

[0044] In addition, the outlet end of the brush ring water valve 32 is connected to the brush ring drain pipe 33, the outlet end of the strong flush water valve 42 is connected to the strong flush drain pipe 43, and the outlet end of the water replenishment valve 52 is connected to the water replenishment drain pipe 53. The bottom end of the brush ring drain pipe 33 is connected to the bottom end of the water replenishment drain pipe 53 in sequence through the first water pipe 7, the venturi pipe 8, and the second water pipe 9. The water flow direction of the venturi pipe 8 is from the first water pipe 7 to the second water pipe 9, and the surface of the venturi pipe 8 is provided with several water inlets 81. The pipeline composed of the first water pipe 7, the venturi pipe 8, and the second water pipe 9 extends into the interior of the outer water tank 1 in a roundabout manner. When the toilet bowl's inner surface needs to be brushed, water flows through the first water pipe 7, the Venturi pipe 8, and the second water pipe 9. Water from the outer tank 1 enters the second water pipe 9 through the inlet 81 on the surface of the Venturi pipe 8, and then flows through the outlet at the top of the drain pipe 53 to the toilet bowl's brushing system. This brushing action involves spraying water onto the inner surface of the toilet bowl. The presence of the Venturi pipe 8 allows for faster water intake from the outer tank 1, resulting in a more efficient brushing function.

[0045] In this utility model, the brush ring water valve 32 is connected to the brush ring float 35 via the brush ring connecting rod 34, the strong flush valve 42 is connected to the strong flush float 45 via the strong flush connecting rod 44, and the water replenishment valve 52 is connected to the water replenishment float 55 via the water replenishment connecting rod 54. When the toilet is not flushing, the brush ring float 35 is in its highest floating position, and the brush ring water valve 35 is in the closed state. That is, the same water inlet pipe 6 cannot enter water through the brush ring water valve 32 and perform the brush ring function.

[0046] When the toilet is flushing, the brush float 35 lowers the water level in the inner tank 2 and reaches the first position. Since the brush valve 32 is open during flushing, the same inlet pipe can supply water to the first water pipe 7, the venturi pipe 8, and the second water pipe 9 via the brush valve 32. The venturi pipe 8 can also draw water from the outer tank 1 and deliver it to the water supply and drain pipe 33, which then flows through the brush pipe connected to the water supply and drain pipe 33 to perform the brushing function. When the water level in the inner tank 2 lowers and reaches the first position during flushing, the brush float 35 closes the brush valve 32 again via the brush rod 34 to stop the brushing function.

[0047] Please see Figure 6 In this utility model, the brush ring water valve 32 includes a top housing 321, a middle housing 322, and a bottom housing 323. The top housing 321 is provided with an expansion plate 324, which can form an expansion cavity with the top housing 321. The top housing 321 is provided with an air inlet 3211 and an air outlet 3212. The air inlet 3211 is connected to one end of an external air inlet pipe (not shown in the figure) through an air inlet nozzle 3213, and the other end of the air inlet pipe is connected to an air pumping device (not shown in the figure). The air pumping device is installed on the top plate of the toilet tank. When the user needs to flush, by pressing the air pumping device, gas is injected into the expansion cavity between the expansion plate 324 and the top housing 321 through the air pumping device and the air inlet pipe, so that the expansion plate 324 expands downward. At this time, the air outlet 3212 is pressed by the sealing plate at the other end of the brush ring connecting rod 34 to close the outwardly protruding air outlet 3212.

[0048] Please see Figure 6 and 7 The intermediate housing 322 has an axial center hole 3221 at its center, and a central shaft 3210 is provided in the axial center hole 3221. The top end of the central shaft 3210 has a stepped shaft section 32101 that is positioned and connected to the pressure plate 325. The bottom end of the central shaft 3210 has a sealing ring 32103, and a spring 32102 is sleeved in the middle of the central shaft 3210. One end of the spring 32102 is supported at the bottom of the stepped shaft section 32101, and the other end of the spring 32102 is supported at the bottom plate of the intermediate housing 322. When the central shaft 3210 is not subjected to downward pressure, the spring 32102 elastically pushes the central shaft 3210 to move upward, and the sealing ring 32103 seals the inner diameter of the axial center hole 3221 and the outer diameter of the central shaft 3210.

[0049] Preferably, the top surface of the pressure plate 325 of this utility model is curved. Therefore, when the expansion plate 324 expands downward, its bottom surface is also curved. During the downward expansion of the expansion plate 324, the pressure plate 325 is pushed downward in a point contact manner, thereby overcoming the elastic force of the spring 32102. The central shaft 3210 moves downward, thereby opening the axial central hole 3221.

[0050] In addition, the bottom shell 323 of this utility model is also provided with a shell seat 326 connected to the same water inlet pipe 6. The top of the bottom shell 323 is connected to the middle shell 322 to form a first pressure holding cavity 327. A pressure holding sealing gasket 329 is provided between the bottom shell 323 and the shell seat 326. The pressure holding sealing gasket 329 is slidably connected to the bottom of the bottom shell 323 at the center, and a second pressure holding cavity 328 is formed between the pressure holding sealing gasket 329 and the bottom shell 323. The bottom shell 323 is provided with a vent hole 3231 to connect the first pressure holding cavity 327 and the second pressure holding cavity 328. When the expansion chamber 3241 does not expand, that is, when the pressure plate 325 does not move downward, the sealing ring 32103 seals the top of the first pressure-holding chamber 327, and the first pressure-holding chamber 327 and the second pressure-holding chamber 328 are simultaneously in a pressure-holding state. The pressure-holding sealing gasket 329 can close the connecting pipe between the housing seat 326 and the same water inlet pipe 6, that is, water cannot flow to the brush ring drain pipe 33 through the same water inlet pipe 6.

[0051] When the user presses the air pump, gas is injected into the expansion cavity 3241 between the expansion plate 324 and the top housing 321, causing the expansion plate 324 to expand and deform downwards. This pushes the pressure plate 325 downwards through point contact, preventing the sealing ring 32103 from sealing the top of the first pressure-holding cavity 327. The gas inside the first pressure-holding cavity 327 leaks upwards. Subsequently, the gas inside the second pressure-holding cavity 328 also flows upwards into the first pressure-holding cavity 327 through the vent 3231. At this time, the first pressure-holding cavity 327 and the second pressure-holding cavity 328 are still in a depressurized state. The same water inlet pipe 6 pushes and causes at least part of the pressure-holding sealing gasket 329 to deform. Therefore, water can be supplied to the housing seat 326 through the same water inlet pipe 6. The housing seat 32 is connected to the brush ring drain pipe 33, and the water enters the brush ring drain pipe 33.

[0052] As the brush ring function is activated, the water level inside the inner water tank 2 drops. When the brush ring float 35 descends to the first position, the brush ring float 35 pulls the brush ring connecting rod 34 downwards. The middle part of the brush ring connecting rod 34 is rotatably connected to the top housing 321. The other end of the brush ring connecting rod 34 was originally sealed to the air outlet 3212. As the other end of the brush ring connecting rod 34 swings upwards, the gas inside the expansion chamber 3241 leaks out through the air outlet 3212. The expansion plate 324 returns to its original state, the pressure plate 325 moves upwards, and the spring 32102 inside the intermediate housing 322 pushes the central shaft 3210 upwards. The sealing ring 32103 re-seals the top of the first pressure-holding chamber 327, meaning that the first pressure-holding chamber 327 and the second pressure-holding chamber 328 are once again in a pressure-holding state. The pressure-holding sealing gasket 329 can close the connecting pipe between the housing seat 326 and the same water inlet pipe 6. At this point, the function of the brush ring is officially turned off.

[0053] When the toilet is not flushing, the high-flush float 45 is at its highest position, and the high-flush valve 42 is closed. This means that the same inlet pipe 6 cannot receive water through the high-flush valve 42 or perform the high-flush function. When the water level inside the inner tank 2 decreases, the water level supported by the high-flush float 45 also decreases. When it reaches the second position, the high-flush float 45 pulls the high-flush linkage 44 downwards and changes the high-flush valve 42 from the closed state to the open state. The same inlet pipe 6 can then receive water through the high-flush valve 42, continuously supplying water to the high-flush pipe of the toilet bowl through the top of the high-flush drain pipe 43, performing a high-flush function on the inner surface of the toilet bowl. This allows the toilet to completely push the user's excrement to the outside, thus achieving the high-flush function of the toilet.

[0054] Preferably, in this utility model's technical solution, when the strong flush float 45 is lowered to the second position, the strong flush valve 42 changes from a closed state to an open state, while when the brush ring float 45 is lowered to the first position, it changes from an open state to a closed state. Therefore, by calibrating the first and second positions differently, the brush ring function and the strong flush function can be coordinated. For example, the first position can be set higher than the second position, meaning the brush ring function stops earlier than the strong flush function starts; the first and second positions can be set to be the same, meaning the brush ring function stops at the same time as the strong flush function starts; the first position can be set lower than the second position, meaning the brush ring function stops later than the strong flush function starts.

[0055] When the toilet is not flushing, the water replenishment float 55 is at its highest position, and the water replenishment valve 52 is closed. This means that the same inlet pipe 6 cannot receive water or replenish water through the water replenishment valve 52. When the water level inside the inner tank 2 decreases, the water replenishment float 55 is lowered to the third position. The water replenishment float 55 pulls the water replenishment linkage 54 downward and changes the water replenishment valve 52 from the closed state to the open state. The same inlet pipe 6 can then receive water through the water replenishment valve 52. At the same time, the water replenishment valve 52 is equipped with a water replenishment pipe 56 and a corresponding hose (not shown in the figure) connected to the forced flush tank 4. Water is continuously replenished to the forced flush tank 4 through the water replenishment pipe 56. If the amount of water entering the forced flush tank 4 is greater than the amount of water flowing out of the forced flush tank hole 41, the water level in the forced flush tank 4 will rise. During the forced flushing process, when the forced flushing water valve 42 changes from the closed state to the open state, the water level in the forced flushing water tank drops to the second position, and water is injected into the forced flushing water tank through the water supply pipe. The forced flushing float rises to the closed position, causing the forced flushing water valve 42 to change from the open state to the closed state.

[0056] In addition, when the water supply valve 52 is in the water supply state, some of the water in the water supply valve 52 will also flow through the second pipe 9 and the inlet 81 on the outer periphery of the venturi pipe 8 to replenish the water into the outer water tank 1. As the bottom water level of the outer water tank 1 moves upward, the water level will enter the water supply tank 5 through the top edge of the inner water tank 2, pushing the water supply float 55 upward to the corresponding position of the closed state, thereby turning off the water supply function of the toilet tank device.

[0057] It should be further explained that, in this utility model, the water supply valve 52 replenishes water to the powerful flush tank 4 through the water supply pipe 56, thereby controlling the powerful flush valve 42 to change to a closed state. Additionally, the bottom of the water supply drain pipe 53 connected to the water supply valve 52 replenishes water to the outer water tank 1 through the second pipe 9 and the Venturi pipe 8, and the top of the water supply drain pipe 53 replenishes water to the bottom of the toilet bowl through the brush ring pipe inside the toilet bowl, achieving a water seal at the bottom of the toilet bowl.

[0058] Preferably, the water supply and drainage pipe 53 is provided with an upward-facing first proportional water valve 11. The main flow direction of the first proportional water valve 11 is to supply water to the toilet bowl through the top of the water supply and drainage pipe 53 and to supply water to the forced flush tank 4 through the water supply pipe 56. The secondary flow direction of the first proportional water valve 11 is to supply water to the second pipe 9 and the venturi pipe 8. Preferably, the first proportional water valve 11 is positioned lower than the water supply valve 52 to ensure the water flow rate of the above two main flow directions.

[0059] Preferably, the flushing drain pipe 43 of this utility model is also provided with an upward-facing second proportional water valve 12, wherein the main flow direction of the second proportional water valve 12 is the flushing pipe inside the toilet bowl, and the secondary flow direction of the second proportional water valve 12 is to replenish water inside the external water tank 1. Preferably, the second proportional water valve 12 is positioned lower than the flushing water valve 42 to ensure the water flow rate of the main flow direction.

[0060] Preferably, the brush ring drain pipe 33 of this utility model is provided with a downwardly positioned third proportional water valve 13, wherein the main flow direction of the third proportional water valve 13 is the first pipe 7, and the secondary flow direction of the second proportional water valve 12 is to replenish water to the outer water tank 1 through the bypass branch pipe above it. Preferably, the third proportional water valve 13 is positioned higher than the brush ring water valve 32 to ensure the water flow rate of the main flow direction.

[0061] More preferably, the first proportional water valve 11, the second proportional water valve 12, and the third proportional water valve 13 include a spherical upper water valve body 14 and a lower water valve plate 15 connected thereto. Therefore, most of the water flowing through the proportional water valve is restricted by the upper water valve body 14 and moves in the direction of the main flow, while a small part of the water will exert downward pressure on the lower water valve plate 15, causing deformation of part of the structure of the lower water valve plate 16, and there is a gap between the lower water valve plate 15 and the lower mounting step, through which a small part of the water flows.

[0062] Preferably, the strong flushing water tank hole 41 of this invention is larger than the water replenishment tank hole 51. This ensures that when the water level in the outer water tank 1 is lower than the bottom of the inner water tank 2, the water level in the strong flushing water tank 4 decreases at a faster rate than the water level in the water replenishment tank 5. When the water replenishment float 55 descends to the third position, and this third position is lower than the second position, the water replenishment tank 5 will only officially begin replenishing water to the strong flushing water tank 4 after the strong flushing valve 42 has been open for a certain period of time, or after the strong flushing function has been running for a certain period of time. In other words, the actual working time of the strong flushing function is the sum of the time T1 between the strong flushing float 45 descending to the second position and the water replenishment float 55 descending to the third position, and the time T2 between the water replenishment pipe 56 replenishing water to the strong flushing water tank 4 and the strong flushing float 45 rising back to the second position.

[0063] Preferably, in this utility model's technical solution, the inlet water volume of the water supply pipe 56 is greater than the outlet water volume of the strong flushing water tank hole 41 at the bottom of the strong flushing water tank 4. Alternatively, the inlet water flow rate of the water supply pipe 56 is greater than the outlet water flow rate of the strong flushing water tank hole 41 at the bottom of the strong flushing water tank 4 and the brush ring water tank hole 31 at the bottom of the brush ring water tank 3.

[0064] In this utility model's technical solution, to shut off the water replenishment function, the water level inside the outer water tank 1 can be continuously raised, causing the water level inside the outer water tank 1 to be higher than the top edge of the replenishment water tank 5, resulting in overflow into the replenishment water tank 5. This raises the water level inside the replenishment water tank 5 and pushes the replenishment float 55 upward to its highest working position, thus closing the replenishment water valve 52. Alternatively, the water level inside the outer water tank 1 can continuously rise, entering the replenishment water tank 5 through the replenishment water tank hole 51, thereby raising the position of the replenishment float 55.

[0065] In other embodiments of this utility model, the height of the four edge partitions of the powerful flushing water tank 4 is higher than the top edge of the brush ring water tank 3 and the replenishment water tank 5, meaning that the water volume that the powerful flushing water tank 4 can hold is higher than that of the brush ring water tank 3 or the replenishment water tank 5. Furthermore, the partition between the powerful flushing water tank 4 and the brush ring water tank 3 is sealed, meaning that the water inside the powerful flushing water tank 4 cannot flow into the brush ring water tank 3. Additionally, an overflow hole is provided in the partition between the strong flush water tank 4 and the replenishment water tank 5. The center of the overflow hole is located at the fourth position of the inner water tank 2. When water is replenished to the strong flush water tank 4 through the replenishment water pipe 56, the water level inside the strong flush water tank 4 continuously rises, which can raise the strong flush float 45 to the highest position, thereby turning off the strong flush function. However, since the water level in the strong flush water tank 4 is higher than that in the replenishment water tank 5, when the water level in the strong flush water tank 4 is higher than the fourth position, the water inside the strong flush water tank 4 flows to the replenishment water tank 5 through the overflow hole, thereby raising the water level inside the replenishment water tank 5 and finally pushing the replenishment float 55 to the highest position to close the replenishment water valve 52, that is, to turn off the replenishment function.

[0066] The working principle of the segmented automatic flushing toilet tank of this utility model:

[0067] Please see Figure 1-7 After the user finishes using the toilet, they press the air pump on the top cover of the toilet tank. The air pump is a pump with a one-way air pump function or other air pumping mechanism. The air pump injects air into the expansion chamber 3241 at the top of the brush ring water valve 32 through the connected air inlet pipe. The expansion plate 324 pushes the pressure plate 325 downward to release the pressure in the first pressure chamber 327 and the second pressure chamber 328 at the same time, opening the water inlet of the brush ring water valve 32. Water is introduced into the brush ring water valve 32 through the same water inlet pipe 6. After the water passes through the brush ring water valve 32, it flows in the direction of the first water pipe 7, the venturi pipe 8, and the second water pipe 9. Finally, it delivers water to the brush ring water path inside the toilet bowl through the top of the water supply and drainage pipe 53. The brush ring water flushes the inner surface of the toilet bowl, thereby collecting and concentrating the excrement on the inner surface of the toilet bowl into the groove at the bottom of the toilet bowl.

[0068] Since the Venturi tube 8 has an inlet 81 on its surface, when the fast-moving water flows from the first water pipe 7, the Venturi tube 8, and the second water pipe 9 toward the water supply and drainage pipe 53, a large amount of the water originally located in the outer water tank 1 is attracted by the negative pressure of the fast-moving water in the Venturi tube 8 and flows into the Venturi tube 8 through the inlet 81 and toward the second water pipe 9.

[0069] When the water level inside the outer water tank 1 gradually drops to a certain position, or when the water level inside the brush ring water tank 3 has dropped to the first position, the brush ring float 35 lowers down and pulls the brush ring connecting rod 34, causing the gas inside the expansion chamber 3241 of the brush ring water valve 32 to be released outward through the air outlet 3212. This causes the pressure plate 325 to be reset by the spring 32102, and the first pressure holding chamber 327 and the second pressure holding chamber 328 to return to the pressure holding state. The water inlet of the brush ring water valve 32 is closed again, and the brush ring function is stopped at this time.

[0070] As the water level inside the outer water tank 1 drops below the bottom of the inner water tank 2, the water inside the powerful flush tank 4 and the replenishment water tank 5 gradually flows downward through their bottom holes. Since the inner diameter of the powerful flush tank hole 41 of the powerful flush tank 4 is larger than the inner diameter of the replenishment water tank hole 51 of the replenishment water tank 5, the water level in the powerful flush tank 4 drops at a faster rate than that in the replenishment water tank 5. When the water level inside the powerful flush tank 4 drops to the second position, the powerful flush float 45 pulls the powerful flush connecting rod 44 downward, thereby opening the powerful flush valve 42. This allows water to enter the powerful flush valve 42 through the same inlet pipe 6. Most of the water passing through the powerful flush valve 42 flows towards the drain outlet at the top of the powerful flush drain pipe 43 due to the second proportional water valve 12. Through the flushing pipe inside the toilet bowl, the excrement inside the toilet bowl is powerfully flushed, and then discharged out through the corresponding sewage pipe. In addition, a small portion of the water is injected into the bottom of the outer water tank 1 through the gap at the bottom of the second proportional water valve 12 via the strong flush valve 42, so as to replenish the bottom of the outer water tank 1.

[0071] During the strong flushing process of the strong flush valve 42, the water level in the water tank 5 gradually decreases to the third position. Then, the water valve 52 is opened, and water is introduced into it through the same inlet pipe 6. The water passing through the water valve 52 is divided into three streams. The first stream flows through the top opening of the water drain pipe 53 and through the toilet bowl's brush ring water path to re-brush the toilet bowl and re-seal the bottom of the toilet bowl. The second stream flows downwards through the bottom gap of the first proportional valve 11 and flows into the outer water tank 1 through the second water pipe 9 and the surface inlet 81 of the venturi tube 8, also replenishing the outer water tank 1. Finally, the most important third stream flows through the water supply pipe 56 to replenish the strong flushing water tank 4, thereby increasing the vertical movement of the strong flushing float 45.

[0072] When water is added to the flush tank 4 through the water supply pipe 56 to a certain level, the flush float 45 will rise to the second position. At this time, the flush float 45 pushes the flush linkage 44 to flip upward, so as to close the flush valve 42 again, which means that the flush function is turned off.

[0073] In this utility model, even after the strong flush valve 42 is closed, the water supply pipe 56 continues to supply water to the strong flush tank 4, and some water from the water supply valve 52 also continues to supply water to the strong flush tank 4, thereby causing the water level inside the strong flush tank 4 to rise. If the water level in the strong flush tank 4 exceeds the overflow hole, some water will flow through the overflow hole into the water supply tank 5, thereby pushing the water supply float 55 to rise. When the water level in the water supply tank 5 rises to the third position, the water supply float 55 pushes the water supply connecting rod 54 and closes the water supply valve 52, thereby turning off the water supply function.

[0074] In the present invention, during the strong flushing function, the water inside the outer water tank 1 is supplemented by the bottom opening of the strong flushing drain pipe 43, and another part of the water is supplemented by the bottom opening of the water replenishment drain pipe 53 through the inlet 81 of the second water pipe 9 and the venturi pipe 8. When the water inside the outer water tank 1 flows into the water replenishment tank 5 through the top edge of the water replenishment tank, it can also push the water replenishment float 55 to rise, thereby closing the water replenishment valve 52 and turning off the water replenishment function.

[0075] During the process of water being introduced into the toilet via the water supply valve 52, some water also flows through the water supply and drainage pipe 53 into the brush ring pipe of the toilet bowl, thereby re-injecting water into the drain outlet at the bottom of the toilet bowl and achieving a water seal.

[0076] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the concept of the present utility model and using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present utility model.

Claims

1. A segmented automatic flushing toilet tank, characterized by, It includes an outer water tank and an inner water tank. The inner water tank is divided into a brush ring water tank, a strong flushing water tank, and a water replenishment water tank. The outer water tank is also equipped with a brush ring module, a strong flushing module, and a water replenishment module, which are all connected to the same inlet pipe. An external air pump module is connected to the brush ring module. The air pump module changes the opening and closing state of the water circuit of the brush ring module through air pressure. The brush ring module is connected to the brush ring pipe of the toilet bowl. The brush ring changes the opening and closing state of the water circuit of the brush ring module again through the change of the water level inside the brush ring water tank. The change in the water level inside the flush tank alters the opening and closing state of the flush module's water circuit, causing the flush module to supply water to the flush pipes of the toilet bowl for flushing. The change in the water level inside the water tank alters the opening and closing state of the water circuit of the water replenishment module. The water replenishment module replenishes water to the flushing tank through the water replenishment pipe and changes the opening and closing state of the flushing module's water circuit again. The water replenishment module is connected to the toilet bowl to form a water seal.

2. The segmented automatic flushing toilet tank of claim 1, wherein, The brush ring module includes a brush ring water valve and a brush ring float. The brush ring water valve includes a top shell, a middle shell, a bottom shell, and a shell seat arranged axially in sequence. An expansion plate is provided inside the top shell to form an expansion cavity. A pressure plate is provided inside the middle shell and is connected to a central shaft that passes through the middle shell. A first pressure-holding cavity is formed between the bottom shell and the middle shell. A sealing ring is provided at the bottom of the central shaft to change the pressure-holding state of the first pressure-holding cavity. A pressure-holding sealing gasket is provided at the bottom of the bottom shell to form a second pressure-holding cavity. A vent is provided inside the bottom shell to connect the first pressure-holding cavity and the second pressure-holding cavity.

3. The segmented self-flushing toilet tank of claim 2, wherein, The air pump module is a one-way air pump, and the air outlet of the air pump is connected to the expansion chamber through an air pipe to supply gas.

4. The segmented automatic flushing toilet tank of claim 1, wherein, The brush ring water valve of the brush ring module is connected to the water supply and drainage pipe of the water supply module through a first water pipe, a venturi pipe, and a second water pipe. At least the venturi pipe extends into the outer water tank to absorb water.

5. The segmented automatic flushing toilet tank of claim 1, wherein, The top of the strong flushing valve of the strong flushing module is oscillatingly connected to the strong flushing float via a strong flushing connecting rod. The strong flushing float extends into the strong flushing water tank, and the bottom of the strong flushing water tank is provided with a strong flushing water tank hole. The top of the water replenishment valve of the water replenishment module is oscillatingly connected to the water replenishment float via a water replenishment connecting rod. The water replenishment float extends into the water replenishment tank, and the bottom of the water replenishment tank is provided with a water replenishment water tank hole. The inner diameter of the water replenishment water tank hole is smaller than the inner diameter of the strong flushing water tank hole. The water replenishment valve is connected to the strong flushing water tank via a water replenishment pipe.

6. The segmented automatic flushing toilet tank of claim 5, wherein, The highest water level in the high-pressure flushing tank is higher than the highest water level in the replenishment tank.

7. The segmented automatic flushing toilet tank of claim 1, wherein, The water replenishment module has a water replenishment pipe with a first proportional water valve facing upwards, the strong flushing module has a strong flushing drain pipe with a second proportional water valve facing upwards, and the brush ring module has a brush ring drain pipe with a third proportional water valve facing downwards. The proportional water valves control the water flow direction and flow rate.

8. The segmented automatic flushing toilet tank of claim 7, wherein, The first proportional water valve, the second proportional water valve, and the third proportional water valve include an upper water valve body for limiting the direction of water flow. The upper water valve body is also connected to a lower water valve plate. There is a gap between the lower water valve plate and the pipe, through which a small portion of the water flows.

9. The segmented automatic flushing toilet tank of claim 1, wherein, The inner water tank is built inside the outer water tank, and the inner water tank and the outer water tank are connected at their inner middle parts. There is a water-containing space between the bottom of the inner water tank and the bottom of the outer water tank.

Images