Flushing device, closestool and flushing method

Abstract

The flushing device comprises a switching device and a partition device, one water outlet of the switching device is communicated with a closestool jet water outlet through the partition device, the partition device is installed at the position higher than a closestool water seal, and it is ensured that after jet flushing is finished, a rear air partition is formed in the partition device; the switching device and the trap are ensured to be separated from each other, so that the switching device can be mounted at any position lower than the liquid level of the water seal, the internal space of the closestool can be better utilized, the layout is flexible, and the application range of the closestool is expanded.

Description

Technical Field

[0001] The present invention relates to the technical field of flushing devices, and particularly to a flushing device, a toilet, and a flushing method. Background Art

[0002] Currently, for the toilet switching device of a smart toilet to control whether the water flow flushes the ring nozzle or the jet nozzle, at this time, the switching device needs to be installed at a position higher than the toilet water seal, so as to ensure that after flushing is completed, the switching device is separated from the sewage in the trap. However, in some cases, the switching device cannot be installed at a position higher than the toilet water seal, and the reasons are as follows:

[0003] 1) The switching device and its connecting pipes usually require a large space;

[0004] 2) For wall-mounted toilets, their electronic covers are often made in a thin and beautiful style for aesthetics, and a large number of internal components are installed at the rear of the toilet, thus occupying a relatively high space at the rear of the toilet;

[0005] These two reasons cause the switching device to be unable to be installed at a position higher than the toilet water seal in some cases. Summary of the Invention

[0006] The present invention provides a flushing device, a toilet, and a flushing method, which enable the switching device to be installed at any position below the water surface while satisfying the isolation of sewage and the switching device after jet flushing.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A flushing device includes:

[0009] A switching device, which is provided with a water inlet, a first water outlet, and a second water outlet, and the switching device is further provided with a switching member for controlling the water inlet to communicate with the first water outlet and / or the second water outlet; and,

[0010] A partition device, which is provided with a cavity, a first interface, a second interface, and a third interface communicating with the cavity, the cavity is arranged at a position higher than the toilet water seal, the first water outlet communicates with the first interface, and a one-way structure is further arranged in the cavity, and the one-way structure is unidirectionally opened along the inflow direction of the third interface, so that the third interface communicates with the cavity, and the second interface is used to communicate with the jet orifice of the toilet.

[0011] Further, a groove is arranged in the cavity, a throttling member is arranged in the groove, the throttling member is provided with a throttling hole, and the throttling member moves along with the fluid flow, so as to open or close the throttling hole, so that the third interface communicates or does not communicate with the cavity, and the throttling member constitutes a unidirectional opening structure.

[0012] Further, the moving distance of the throttling member in the groove is 10%-20% of the radial dimension of the throttling piece.

[0013] Furthermore, the isolation device includes a valve body and a cover body that seals and fits the valve body, the valve body is provided with a cavity, a first interface and a second interface, the cover body is provided with a third interface, the third interface and the throttle hole are staggered, and the gap between the valve body and the cover body forms a groove;

[0014] When water flows into the first interface, the throttle piece moves toward the cover body until it abuts against the cover body, and the throttle hole is closed; when fluid flows into the third interface, the throttle piece moves toward the valve body, separates from the cover body, and the throttle hole is opened.

[0015] Furthermore, it also includes an anti-siphon valve, the inlet end of the anti-siphon valve is connected to the water supply source, the outlet end of the anti-siphon valve is respectively connected to the water tank and the third interface, and the water tank is connected to the water inlet.

[0016] Furthermore, a boosting device is provided between the water tank and the reversing device; it also includes a water inlet valve connected to the inlet end of the anti-siphon valve, and a liquid level sensor is provided in the water tank for monitoring whether the water in the water tank reaches a preset water level and thereby closing the water inlet valve.

[0017] A toilet comprises a toilet body, the toilet body is provided with a brush ring water outlet and a jet water outlet, and also comprises a flushing device as described above, a switching device is arranged at the bottom of the toilet body, a cavity is arranged at a position higher than the water seal of the toilet body, a first water outlet is connected to the brush ring water outlet, and a second interface is connected to the jet water outlet.

[0018] Furthermore, a fixing position for fixing the partition device is provided at the bottom of the toilet.

[0019] A flushing method, applicable to the toilet as described above, having a large flushing mode, comprises the following steps:

[0020] S1. In the initial state, the switch is in the first position, the first water outlet is open, the second water outlet is closed, the liquid level in the second interface is flush with the toilet water cover, and the liquid level is outside the cavity;

[0021] S2, the booster device is turned on, the switching element rotates to the second position, the first water outlet and the second water outlet are opened at the same time, a part of the booster water flows to the brush ring water outlet through the first water outlet, and the other part of the water flows into the cavity through the second water outlet, and then flows to the jet water outlet from the second interface. The throttling element moves in the first direction under the action of the water flow, and the third interface is closed;

[0022] S3, after T1 time, the switch rotates to the third position, the first water outlet is closed, the second water outlet is opened, and all the water flows through the cavity and then flows to the jet outlet;

[0023] S4. After a duration of T2, the pressurizing device is closed, the water inlet valve is opened, the switching member rotates to the first position, the first water outlet is opened, the second water outlet is closed, tap water flows into the anti-siphon valve and then flows to the water tank and the third interface respectively. The throttling member moves in the second direction under the action of the water flow, opening the third interface, and the water flows through the second interface to the jet water outlet.

[0024] S5. After a duration of T3, the water inlet valve is closed. Under the action of gravity, the water in the cavity flows to the jet water outlet, and air is inhaled from the anti-siphon valve and flows into the cavity from the third interface until the liquid level in the second interface is the same as the water surface level of the toilet, and then it returns to the initial state.

[0025] Furthermore, it also has a small flushing mode, including the following steps:

[0026] S1. In the initial state, the switching member is in the first position, the first water outlet is opened, the second water outlet is closed, the liquid level in the second interface is flush with the toilet water surface, and the liquid level height is outside the cavity.

[0027] S2. The pressurizing device is opened, the switching member rotates to the second position, the first water outlet and the second water outlet are opened simultaneously. A part of the pressurized water flows through the first water outlet to the brush ring water outlet, and another part of the water flows through the second water outlet into the cavity and then flows to the jet water outlet through the second interface. The throttling member moves in the first direction under the action of the water flow, closing the third interface.

[0028] S3. After a duration of T1, the switching member rotates to the third position, the first water outlet is closed, the second water outlet is opened, and all the water flows through the cavity and then to the jet water outlet.

[0029] S4. After a duration of T2, the pressurizing device is closed, the switching member rotates to the second position, the first water outlet and the second water outlet are opened simultaneously, the pressurizing device is opened again, and the brush ring water outlet and the jet water outlet are filled with water simultaneously.

[0030] S5. After a duration of T3, the pressurizing device is closed, the switching member rotates to the first position, the first water outlet is opened, the second water outlet is closed, tap water flows into the anti-siphon valve and then flows to the water tank and the third interface respectively. The throttling member moves in the second direction under the action of the water flow, opening the third interface, and the water flows through the second interface to the jet water outlet.

[0031] S6. After a duration of T4, the water inlet valve is closed. Under the action of gravity, the water in the cavity flows to the jet water outlet, and air is inhaled from the anti-siphon valve and flows into the cavity from the third interface until the liquid level in the second interface is the same as the water surface level of the toilet, and then it returns to the initial state.

[0032] The beneficial effects of the present invention are:

[0033] 1. A flushing device proposed by the present invention includes a switching device and a partition device. One of the water outlets of the switching device is connected to the toilet jet outlet through the partition device. The partition device is installed at a position higher than the toilet water seal to ensure that an air partition is formed in the partition device after the jet flushing ends, ensuring that the switching device is separated from the sewage in the trap, so that the switching device can be installed at any position below the water seal liquid level, which helps to make better use of the internal space of the toilet, thus enabling flexible layout and expanding its scope of application.

[0034] 2. A flushing device proposed by the present invention, the one-way structure is a throttle member provided with a throttle hole. The throttle member is in the shape of a thin sheet and is movably arranged in the partition device. Compared with a conventional one-way valve, the throttle member has a simple structure and low cost.

[0035] 3. A flushing device proposed by the present invention, a groove is provided in the inner cavity of the partition device, and a throttle member that moves with the fluid flow is provided in the groove. The moving distance of the throttle member in the groove is 10%-20% of the radial dimension of the throttle piece, avoiding the risk that the throttle member tilts too much during the moving process due to too long a moving distance, and reducing the risk of the throttle member getting stuck with the valve body and the cover body.

[0036] 4. A flushing device proposed by the present invention further includes an anti-siphon valve. The outlet end of the anti-siphon valve is respectively connected to the water tank and the third interface. When water enters, when the water tank is filled with water through the anti-siphon valve, the toilet water seal can also be replenished through the partition device without consuming the water in the water tank, which helps to reduce the volume of the water tank; in addition, after the water replenishment ends, air can be sucked into the partition device through the anti-siphon device via the third interface to ensure that the sewage in the water seal does not pollute accessories such as the commutation device and the water tank.

[0037] 5. A toilet proposed by the present invention, the toilet body is provided with a fixing position for fixedly connecting the partition device, ensuring that the partition device is continuously located on the water seal surface and the partition device is facing the jet pipe inlet, which greatly facilitates the connection of the jet pipe.

[0038] 6. A flushing method proposed by the present invention includes a large flushing mode and a small flushing mode. The small flushing mode adds a step of replenishing the water seal through the brush ring water outlet compared with the large flushing mode to ensure the sufficiency of the water seal replenishment in the small flushing mode. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0040] Figure 1 Exploded view of the partition device of a flushing device according to the present invention;

[0041] Figure 2 Cross-sectional view of the partition device of a flushing device according to the present invention;

[0042] Figure 3 Schematic diagram of the switching device of a flushing device according to the present invention;

[0043] Figure 4 Schematic diagram of a flushing device according to the present invention;

[0044] Figure 5 Schematic diagram of a toilet according to the present invention;

[0045] Figure 6 Cross-sectional view of a toilet according to the present invention;

[0046] Figure 7 Schematic diagram of step S1 of a flushing method according to the present invention;

[0047] Figure 8 Schematic diagram of step S2 of a flushing method according to the present invention;

[0048] Figure 9 Schematic diagram of step S3 of a flushing method according to the present invention;

[0049] Figure 10 Schematic diagram of step S4 of a flushing method according to the present invention;

[0050] Figure 11 Schematic diagram of step S5 of a flushing method according to the present invention;

[0051] Figure 12 Schematic diagram of the flushing logic of the large flushing mode of a flushing method according to the present invention;

[0052] Figure 13 Schematic diagram of the flushing logic of the small flushing mode of a flushing method according to the present invention;

[0053] In the figure, 10 is the switching device; 101 is the water inlet; 102 is the first water outlet; 103 is the second water outlet; 104 is the switching member; 20 is the partition device; 201 is the valve body; 2011 is the connection hole; 2012 is the first interface; 2013 is the second interface; 202 is the cover body; 2021 is the third interface; 203 is the cavity; 204 is the groove; 205 is the throttling member; 2051 is the throttling hole; 30 is the anti-siphon valve; 40 is the water inlet valve; 50 is the water tank; 60 is the toilet body; 601 is the fixing hole; 602 is the brush ring water outlet; 603 is the jet water outlet. Detailed implementation manners

[0054] Embodiment 1

[0055] Combine the following Figures 1 - 4 The present invention is described in detail.

[0056] A flushing device, comprising:

[0057] The switching device 10 is provided with a water inlet 101, a first water outlet 102 and a second water outlet 103. The switching device 10 is also provided with a switching member 104 for controlling the water inlet 101 to be connected to the first water outlet 102 and / or the second water outlet 103; and,

[0058] The partition device 20 is provided with a cavity 203 and a first interface 2012, a second interface 2013 and a third interface 2021 connected to the cavity 203. The cavity 203 is arranged at a position higher than the water seal of the toilet. The first water outlet 102 is connected to the first interface 2012. A one-way structure is also provided in the cavity 203. The one-way structure is opened unidirectionally along the inflow direction of the third interface 2021, so that the third interface 2021 is connected to the cavity 203. The second interface 2013 is used to connect to the injection port of the toilet.

[0059] After the jet flushing is completed, an air partition is formed in the partition device 20 to ensure that the switching device 10 is separated from the sewage in the trap, so that the switching device 10 can be installed at any position below the water seal liquid level, which helps to better utilize the internal space of the toilet, thereby making flexible layout and expanding its scope of application.

[0060] A groove 204 is provided in the cavity 203, and a throttling member 205 is provided in the groove 204. The throttling member 205 is provided with a throttling hole 2051. The throttling member 205 moves in the groove 204 along with the flow of the fluid, thereby opening or closing the throttling hole 2051, so that the third interface 2021 is connected or not connected to the cavity 203, and the throttling member 205 constitutes a one-way opening structure. The throttling member 205 is in the form of a thin sheet. Compared with a conventional one-way valve, the throttling member 205 has a simple structure and low cost. Furthermore, the moving distance of the throttling member 205 in the groove 204 is 10%-20% of the radial size of the throttling sheet, so as to avoid the throttling member 205 from tilting too much during the movement due to the long moving distance, thereby reducing the risk of the throttling member 205 getting stuck with the valve body 201 and the cover body 202. At the same time,

[0061] In this embodiment, the isolation device 20 includes a valve body 201 and a cover body 202 that seals and fits the valve body 201. The valve body 201 is provided with a cavity 203, a first interface 2012, and a second interface 2013. The cover body 202 is provided with a third interface 2021. The third interface 2021 and the throttle hole 2051 are staggered with each other. The gap between the first valve body 201 and the cover body 202 constitutes a groove 204. Specifically,

[0062] When the first interface 2012 is flooded with water, the throttle piece moves towards the cover body 202 until it abuts against the cover body 202, and the throttle hole 2051 is closed; when fluid flows into the third interface 2021, the throttle member 205 moves towards the valve body 201, disengaging from the cover body 202, and the throttle hole 2051 is opened.

[0063] In this embodiment, an anti-siphon valve 30 is further included. The inlet end of the anti-siphon valve 30 is connected to a water supply source, and the outlet end of the anti-siphon valve 30 is respectively connected to the water tank 50 and the third interface 2021. The water tank 50 is connected to the water inlet 101; in addition, the water tank 50 is also provided with an overflow port, which facilitates the discharge of air in the water tank 50 and the excess water when the water tank 50 is overfilled during water intake. When water is taken in, when the water tank 50 is filled with water through the anti-siphon valve 30, the toilet water seal can also be replenished through the partition device 20 without consuming the water in the water tank 50, which helps to reduce the volume of the water tank 50; in addition, after the water replenishment is completed, air can be sucked into the partition device 20 through the anti-siphon device via the third interface 2021 to ensure that the sewage in the water seal does not contaminate accessories such as the commutation device and the water tank 50. A pressurizing device is provided between the water tank 50 and the commutation device. An inlet valve 40 connected to the inlet end of the anti-siphon valve 30 is also included. A liquid level sensor is provided in the water tank 50 to monitor whether the water in the water tank 50 reaches a preset water level so as to close the inlet valve 40.

[0064] Embodiment Two

[0065] The following will be combined with Figures 5 - 6 to describe the present invention in detail.

[0066] A toilet includes a toilet body 60. The toilet body 60 is provided with a brush ring water outlet 602 and a jet water outlet 603. It also includes a flushing device as described above. The switching device 10 is arranged at the bottom of the toilet body 60, and the cavity 203 is arranged at a position higher than the water seal of the toilet body 60. The first water outlet 102 is connected to the brush ring water outlet 602, and the second interface 2013 is connected to the jet water outlet 603.

[0067] In this embodiment, a fixing position for fixing the partition device 20 is provided at the bottom of the toilet body 60. Specifically, a plurality of fixing holes 601 are provided at the front end of the outer side of the inner tank of the toilet body 60. The fixing holes 601 form the fixing position, and the valve body 201 is provided with connection holes 2011 adapted to the fixing holes 601. During installation, fasteners pass through the connection holes 2011 and the fixing holes 601, thereby installing the partition device 20 on the toilet body 60, ensuring that the partition device 20 is continuously located on the water seal surface and the partition device 20 is directly opposite to the jet pipe connection port, which greatly facilitates the connection of the jet pipe.

[0068] Embodiment Three

[0069] The following will be combined with Figures 7 - 13A detailed description of the present invention will be given.

[0070] This embodiment proposes a flushing method, including a large flushing mode and a small flushing mode, which is applicable to the toilet as described above. The flushing logic of the large flushing mode is as Figure 12 shown, and includes the following steps:

[0071] S1. As Figure 7 shown, in the initial state, the switching member 104 is in the first position, the first water outlet 102 is opened, the second water outlet 103 is closed, the liquid level in the second interface 2013 is flush with the toilet water surface, and the liquid level height is outside the cavity 203;

[0072] S2. As Figure 8 shown, when the pressurizing device is turned on, the switching member 104 rotates to the second position, the first water outlet 102 and the second water outlet 103 are opened simultaneously. A part of the pressurized water flows through the first water outlet 102 and then to the brush ring water outlet 602. Another part of the water flows through the second water outlet 103 into the cavity 203 and then flows from the second interface 2013 to the jet water outlet 603. The throttle member 205 moves in the first direction under the action of the water flow, that is, towards the cover body 202 side, until the throttle member 205 abuts against the cover body 202, the throttle hole 2051 is closed, and the third interface 2021 is closed;

[0073] S3. As Figure 9 shown, after a duration of T1, the switching member 104 rotates to the third position, the first water outlet 102 is closed, the second water outlet 103 is opened, and all the water flows through the cavity 203 and then to the jet water outlet 603;

[0074] S4. As Figure 10 shown, after a duration of T2, the pressurizing device is turned off, the water inlet valve 40 is opened, the switching member 104 rotates to the first position, the first water outlet 102 is opened, the second water outlet 103 is closed, the tap water flows into the anti-siphon valve 30 and then flows to the water tank 50 and the third interface 2021 respectively. The throttle member 205 moves in the second direction under the action of the water flow, that is, towards the valve body 201 side, the throttle hole 2051 is opened, the third interface 2021 is opened, and the water flows through the second interface 2013 to the jet water outlet 603;

[0075] S5. As Figure 11 shown, after a duration of T3, the water inlet valve 40 is closed. Under the action of gravity, the water in the cavity 203 flows to the jet water outlet 603, and air is inhaled from the anti-siphon valve 30 and flows into the cavity 203 from the third interface 2021 until the liquid level height in the second interface 2013 is the same as the water surface level, and then returns to the initial state.

[0076] Therefore, during the rotation of the switching member 104, it successively has a first position where only the first water outlet 102 is opened, a second position where both the first water outlet 102 and the second water outlet 103 are opened, and a third position where only the second water outlet 103 is opened. In step S2, when the switching member 104 is in the second position, the switching member 104 is close to the second water outlet 103, so that most of the water flows out from the first water outlet 102 and a small part flows out from the second water outlet 103, reducing the water outlet pressure of the first water outlet 102. The beneficial effect is that,

[0077] 1) First, the gas inside the cavity 203 is discharged from the injection water outlet 603 at a lower flow rate without generating obvious noise;

[0078] 2) To meet the sufficient force of the injection water outlet 603, the water pressure of the pressurized water flow generated by the pressurizing device is relatively large. If all the pressurized water is sprayed out from the brush ring water outlet 602, the brush ring water flow pressure is too large and easy to splash. Part of the water sprayed out from the injection water outlet 603 can weaken the brush ring water flow pressure and avoid splashing;

[0079] 3) Under normal circumstances, when the brush ring flushes, the water level in the urinal will rise significantly and rotate, resulting in an enlarged distribution range of dirt, which not only has a poor visual effect but also is not conducive to subsequent thorough flushing. In this embodiment, the injection water outlet 603 and the brush ring water outlet 602 discharge water synchronously, and part of the sewage can be flushed into the siphon pipe, avoiding the rise of the water level, purifying the vision, and avoiding the spread of dirt. At the same time, because the injection water potential is small, a siphon will not be formed, but part of the pipe will be filled, preparing for the subsequent rapid formation of a siphon.

[0080] Further, the included angle between the first position and the third position of the switching member 104 is 90 degrees, and the angle corresponding to the switching member 104 rotating from the first position to the second position is A, and the angle range of A is 5 degrees to 30 degrees, as Figure 8 shown.

[0081] To sum up, Table 1 shows the position of the switching member 104 and the opening and closing conditions of the brush ring water outlet 602, the injection water outlet 603, and the third interface 2021 in each step in the large flushing mode, as follows:

[0082] Table 1 Position of the switching member and opening and closing conditions of the brush ring water outlet, injection water outlet, and third interface in each step

[0083]

[0084]

[0085] The flushing logic of the small flushing mode is as Figure 13 shown, including the following steps:

[0086] S1, asFigure 7 As shown, in the initial state, the switching member 104 is in the first position, the first water outlet 102 is open, the second water outlet 103 is closed, the liquid level in the second interface 2013 is flush with the toilet water seal surface, and the liquid level height is outside the cavity 203;

[0087] S2. As Figure 8 shown, when the pressurizing device is turned on, the switching member 104 rotates to the second position, the first water outlet 102 and the second water outlet 103 are opened simultaneously. A part of the pressurized water flows through the first water outlet 102 and then to the brush ring water outlet 602. Another part of the water flows through the second water outlet 103 into the cavity 203 and then flows from the second interface 2013 to the jet water outlet 603. The throttling member 205 moves in the first direction under the action of the water flow and closes the third interface 2021;

[0088] S3. As Figure 9 shown, after a duration of T1, the switching member 104 rotates to the third position, the first water outlet 102 is closed, the second water outlet 103 is open, and all the water flows through the cavity 203 and then to the jet water outlet 603;

[0089] S4. As Figure 8 shown, after a duration of T2, the pressurizing device is turned off, the switching member 104 rotates to the second position, the first water outlet 102 and the second water outlet 103 are opened simultaneously, the pressurizing device is turned on again, and the brush ring water outlet 602 and the jet water outlet 603 are filled with water at the same time;

[0090] S5. As Figure 10 shown, after a duration of T3, the pressurizing device is turned off, the switching member 104 rotates to the first position, the first water outlet 102 is open, the second water outlet 103 is closed, tap water flows into the anti-siphon valve 30 and then flows to the water tank 50 and the third interface 2021 respectively. The throttling member 205 moves in the second direction under the action of the water flow and opens the third interface 2021, and the water flows through the second interface 2013 to the jet water outlet 603;

[0091] S6. As Figure 11 shown, after a duration of T4, the inlet valve 40 is closed. Under the action of gravity, the water in the cavity 203 flows to the jet water outlet 603, and air is inhaled from the anti-siphon valve 30 and flows into the cavity 203 from the third interface 2021 until the liquid level height in the second interface 2013 is the same as the water seal surface liquid level, and then it returns to the initial state.

[0092] In summary, Table 2 shows the position of the switching member 104 and the opening and closing conditions of the brush ring water outlet 602, the jet water outlet 603, and the third interface 2021 in each step in the small flushing mode, which are specifically as follows:

[0093] Table 2 Switching part positions and opening / closing conditions of the water sealing water outlet, spraying water outlet, and the third interface in each step

[0094]

[0095]

[0096] It can be seen that the main difference between the small flush mode and the large flush mode is that a step of replenishing the water seal through the water sealing water outlet 602 is added, as shown in step S4 of Table 2. The reason is that in the large flush mode, due to the large water consumption, the water consumption is large, resulting in a long water inlet time of the water tank 50, and thus a long water seal replenishing time; while in the small flush mode, the water consumption is small, the water consumption is small, resulting in a short water inlet time of the water tank 50, and thus a relatively short water seal replenishing time. Therefore, in the large flush mode, when the water seal replenishing is sufficient, the water seal replenishing in the small flush mode will be insufficient. To solve this problem, an additional replenishment through the water sealing water outlet 602 is added in the small flush mode to ensure the sufficiency of the water seal replenishment. If this measure is not taken, to ensure that the water seal replenishment is completed in a short time in the small flush mode, the replenishment flow rate must be increased. However, this approach will cause a large amount of water to overflow the pipeline after the water seal is filled in the large flush mode with a long replenishment time, resulting in a waste of water resources.

[0097] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable those skilled in the art to understand the content of the present invention and implement it, and cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A flushing device, characterized in that, include: A switching device is provided with a water inlet, a first water outlet and a second water outlet, and the switching device is further provided with a switching member for controlling the water inlet to be connected to the first water outlet and / or the second water outlet; and, A partition device is provided with a cavity and a first interface, a second interface and a third interface connected to the cavity, the cavity is arranged at a position higher than the water seal of the toilet, the first water outlet is connected to the first interface, and a one-way structure is also provided in the cavity, the one-way structure is opened unidirectionally along the inflow direction of the third interface, so that the third interface is connected to the cavity, and the second interface is used to connect to the injection port of the toilet.

2. The flushing device according to claim 1, characterized in that, A groove is provided in the cavity, a throttling member is provided in the groove, and a throttling member is provided with a throttling hole. The throttling member moves with the flow of the fluid to open or close the throttling hole, so that the third interface is connected or not connected to the cavity, and the throttling member constitutes the one-way opening structure.

3. The flushing device according to claim 2, wherein The moving distance of the throttling member in the groove is 10%-20% of the radial dimension of the throttling plate.

4. A flushing device according to claim 2 or 3, characterized in that, The isolation device comprises a valve body and a cover body sealingly adapted to the valve body, the valve body is provided with the cavity, the first interface and the second interface, the cover body is provided with the third interface, the third interface and the throttle hole are staggered, and the gap between the valve body and the cover body constitutes the groove; When water enters the first interface, the throttle piece moves toward the cover body until it abuts against the cover body, and the throttle hole is closed; when fluid flows into the third interface, the throttle piece moves toward the valve body, detaches from the cover body, and the throttle hole is opened.

5. The flushing device according to claim 2, characterized in that, It also includes an anti-siphon valve, the inlet end of the anti-siphon valve is connected to the water supply source, the outlet end of the anti-siphon valve is respectively connected to the water tank and the third interface, and the water tank is connected to the water inlet.

6. The flushing device according to claim 5, wherein A boosting device is provided between the water tank and the reversing device; it also includes a water inlet valve connected to the inlet end of the anti-siphon valve, and a liquid level sensor is provided in the water tank for monitoring whether the water in the water tank reaches a preset water level so as to close the water inlet valve.

7. A toilet, comprising a toilet body, wherein the toilet body is provided with a brush ring water outlet and a jet water outlet, and is characterized in that, It also includes a flushing device as described in any one of claims 2-6, the switching device is arranged at the bottom of the toilet body, the cavity is arranged at a position higher than the water seal of the toilet body, the first water outlet is connected to the brush ring water outlet, and the second interface is connected to the jet water outlet.

8. A toilet according to claim 7, wherein, A fixing position for fixing the partition device is provided at the bottom of the toilet.

9. A flushing method, applicable to the toilet as described in claim 7 or 8, characterized in that, It has a large-rush mode, including the following steps: S1. In the initial state, the switching element is in the first position, the first water outlet is open, the second water outlet is closed, the liquid level in the second interface is flush with the toilet water cover, and the liquid level is outside the cavity; S2, the booster device is turned on, the switching element rotates to the second position, the first water outlet and the second water outlet are opened at the same time, a part of the booster water flows to the brush ring water outlet through the first water outlet, and the other part of the water flows into the cavity through the second water outlet, and then flows to the jet water outlet from the second interface, and the throttling element moves in the first direction under the action of the water flow, closing the third interface; S3. After a duration of T1, the switching member rotates to the third position, the first water outlet is closed, the second water outlet is opened, and after all the water flows through the cavity, it flows to the jet water outlet; S4. After a duration of T2, the pressurizing device is closed, the water inlet valve is opened, the switching member rotates to the first position, the first water outlet is opened, the second water outlet is closed, tap water flows into the anti-siphon valve and then flows to the water tank and the third interface respectively, and the throttle member moves in the second direction under the action of the water flow to open the third interface, and the water flows through the second interface to the jet water outlet; S5. After a duration of T3, the water inlet valve is closed. Under the action of gravity, the water in the cavity flows to the jet water outlet, and air is inhaled from the anti-siphon valve and flows into the cavity from the third interface until the liquid level in the second interface is the same as the water seal level, and then it returns to the initial state.

10. A flushing method as claimed in claim 9, characterized in that, It also has a small flushing mode, including the following steps: S1. In the initial state, the switching member is in the first position, the first water outlet is opened, the second water outlet is closed, the liquid level in the second interface is flush with the toilet water seal surface, and the liquid level height is outside the cavity; S2. The pressurizing device is turned on, the switching member rotates to the second position, the first water outlet and the second water outlet are opened simultaneously. A part of the pressurized water flows through the first water outlet and then flows to the brush ring water outlet, and another part of the water flows through the second water outlet into the cavity and then flows from the second interface to the jet water outlet. The throttle member moves in the first direction under the action of the water flow to close the third interface; S3. After a duration of T1, the switching member rotates to the third position, the first water outlet is closed, the second water outlet is opened, and all the water flows through the cavity and then flows to the jet water outlet; S4. After a duration of T2, the pressurizing device is closed, the switching member rotates to the second position, the first water outlet and the second water outlet are opened simultaneously, and the pressurizing device is turned on again, and the brush ring water outlet and the jet water outlet are filled with water at the same time; S5. After a duration of T3, the pressurizing device is closed, the switching member rotates to the first position, the first water outlet is opened, the second water outlet is closed, tap water flows into the anti-siphon valve and then flows to the water tank and the third interface respectively, and the throttle member moves in the second direction under the action of the water flow to open the third interface, and the water flows through the second interface to the jet water outlet; S6. After a duration of T4, the water inlet valve is closed. Under the action of gravity, the water in the cavity flows to the jet water outlet, and air is inhaled from the anti-siphon valve and flows into the cavity from the third interface until the liquid level in the second interface is the same as the water seal level, and then it returns to the initial state.

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