Switching valve, flushing system and closestool

Abstract

The switching valve comprises a valve body, a switching execution piece and a switching driving piece, the valve body is provided with a water distribution cavity, a water inlet, a first water outlet and a second water outlet, the water inlet, the first water outlet and the second water outlet are communicated with the water distribution cavity, and the switching execution piece is movably arranged on the valve body. And the switching driving piece drives the second water outlet to open or close. The device is simple in structure, reliable in function, capable of achieving pre-wetting, water supplementing and rapid silent zero-pressure washing, stable in water supplementing, capable of saving water supplementing of a water inlet valve and a water supplementing pipe, and capable of effectively preventing water from flowing back to the water inlet valve through the water supplementing pipe to pollute a water inlet source during washing.

Description

Technical Field

[0001] This utility model relates to the field of sanitary ware technology, and in particular to a switching valve, a flushing system, and a toilet. Background Technology

[0002] Pump-flush systems typically use a water pump and a switching valve to achieve brush-main flush-brush-refill water operation. This method results in long flushing times and high noise levels. An existing flushing system and toilet uses a high-flow pump to simultaneously supply water to both the brush-side and main flush circuits via a T-junction, achieving rapid, zero-pressure, and silent flushing. However, this T-junction method fails to pre-wet the brush-side. Furthermore, at the end of the flush, an inlet valve is directly connected to the flushing pipe for refilling. This refilling method is highly susceptible to water pressure fluctuations, leading to inconsistent refill rates. Additionally, during toilet flushing, pump water can easily flow back through the refill pipe to the inlet valve, contaminating the tap water source. Utility Model Content

[0003] This utility model addresses the technical problems existing in the prior art by providing a switching valve, a flushing system, and a toilet. It can not only achieve pre-wetting, water replenishment, and rapid, quiet, zero-pressure flushing, but also ensure stable water replenishment and prevent water from flowing back to the inlet valve through the water replenishment pipe during flushing, thus avoiding contamination of the water source.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a switching valve, including a valve body, a switching actuator and a switching drive, the valve body is provided with a water distribution chamber and an inlet, a first outlet and a second outlet connected to the water distribution chamber, the switching actuator is movably disposed in the valve body and is driven by the switching drive to open or close the second outlet.

[0005] Furthermore, the switching actuator is oscillatingly connected to the valve body, and the second outlet is opened or closed by oscillation.

[0006] Furthermore, the switching actuator is located inside the water distribution chamber, and the switching actuator includes a switching plate for opening and closing the second water outlet and a swing shaft located at one end of the switching plate, the swing shaft being located at one end of the second water outlet.

[0007] Furthermore, the cross-section of the water distribution chamber is fan-shaped, and the swing axis is located at the center of the fan, causing the switching actuator to rotate around its swing axis along the circumference of the water distribution chamber.

[0008] Furthermore, the switching drive includes a motor, which is mounted on the valve body, and the output shaft of the motor is connected to the switching actuator.

[0009] Furthermore, the valve body is also provided with a first anti-siphon port, which is connected to the water inlet; the valve body is also provided with a second anti-siphon port or vent port, which is connected to the second water outlet.

[0010] Furthermore, the valve body includes a valve body and a cover. The valve body is provided with an inlet, a first outlet and a second outlet. The valve body and the cover together enclose a water-dividing chamber.

[0011] This utility model also provides a flushing system, including a water control mechanism, a brush ring water path and a main flushing water path, and also includes the switching valve described in this utility model. The water outlet of the water control mechanism is connected to the water inlet, the first water outlet is connected to the water inlet of the brush ring water path, and the second water outlet is connected to the water inlet of the main flushing water path.

[0012] Furthermore, the water control mechanism includes a water tank and a water pump, with the water pump's inlet end connected to the water tank and the water pump's outlet end connected to the water inlet.

[0013] This utility model also provides a toilet, including a toilet body and the flushing system described in this utility model, which is disposed in the toilet body.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This utility model uses a switching drive to drive a switching actuator to open or close the second water outlet. When the second water outlet is closed, zero-pressure brush ring pre-wetting or water replenishment can be achieved normally. When the second water outlet is open, rapid, silent, zero-pressure flushing can be achieved. It has a simple structure and reliable function, not only achieving pre-wetting, water replenishment, and rapid, silent, zero-pressure flushing, but also providing stable water replenishment. It also eliminates the need for an inlet valve and water replenishment pipe, effectively preventing water from flowing back to the inlet valve through the water replenishment pipe during flushing and contaminating the water source.

[0016] 2. The cross-section of the water distribution chamber is fan-shaped, and the swing shaft is located at the center of the fan shape, so that the switching actuator rotates around its swing shaft along the circumference of the water distribution chamber. This allows the switching actuator to abut against the inner wall of the water distribution chamber when opening the second outlet, so as to avoid the inlet water flow and avoid closing the second outlet due to the pressure of the inlet water.

[0017] 3. The switching drive unit includes a motor, thereby enabling stable driving of the switching actuator.

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments; however, the switching valve, flushing system and toilet of the present invention are not limited to the embodiments. Attached Figure Description

[0019] Figure 1 This is an exploded view of the switching valve of this utility model;

[0020] Figure 2 This is a front view of the switching valve of this utility model;

[0021] Figure 3 This is a top view of the switching valve of this utility model;

[0022] Figure 4 yes Figure 2 A schematic diagram of the cross-section along point AA;

[0023] Figure 5 yes Figure 3 Cross-section diagram along BB Figure 1 (Switch the actuator to close the second outlet);

[0024] Figure 6 yes Figure 3 Cross-section diagram along BB Figure 2 (Switch the actuator to open the second water outlet);

[0025] Figure 7 This is a three-dimensional structural diagram of the flushing system of this utility model;

[0026] Figure 8 This is a side view of the flushing system of this utility model;

[0027] Figure 9 yes Figure 8 A cross-sectional view along point CC;

[0028] Figure 10 This is a three-dimensional structural diagram of the toilet of this utility model;

[0029] Drawings: 1. Valve body; 11. Valve main body; 111. Water distribution chamber; 112. Water inlet; 113. First water outlet; 114. Second water outlet; 115. Second anti-siphon port; 116. Abutment wall; 12. Cover; 13. End cover; 131. First anti-siphon port; 14. Motor cover; 141. Mounting cavity; 2. Switching actuator; 21. Swing shaft; 22. Switching plate; 3. Motor; 41 / 42. Sealing ring; 43. Sealing gasket; 10. Switching valve; 20. Brush ring water circuit; 30. Main flush water circuit; 40. Water tank; 50. Water pump; 60. Inlet valve; 100. Toilet body; 101. Brush ring opening; 102. Main flush port. Detailed Implementation

[0030] In this utility model, the terms "first," "second," etc., are used only to distinguish similar objects, not to describe a specific order or sequence, nor should they be construed as indicating or implying relative importance. The use of terms such as "inner" and "outer" to indicate orientation or positional relationships is based on the orientation or positional relationships shown in the accompanying drawings, and is only for the convenience of describing this utility model, not to indicate or imply that the device referred to must have a specific orientation, or be constructed and operated in a specific orientation; therefore, it should not be construed as a limitation on the scope of protection of this utility model. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0031] Furthermore, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0032] Please see Figures 1-6 As shown, a switching valve of this utility model includes a valve body 1, a switching actuator 2, and a switching drive. The valve body 1 is provided with a water distribution chamber 111 and an inlet 112, a first outlet 113, and a second outlet 114 communicating with the water distribution chamber 111. The switching actuator 2 is movably disposed on the valve body 1 and is driven by the switching drive to open or close the second outlet 114.

[0033] The switching actuator 2 is oscillatingly connected to the valve body 1, and opens or closes the second outlet 114 by oscillation. In other embodiments, the switching actuator 2 may also open or close the second outlet 114 by moving or rotating about its axis.

[0034] The switching actuator 2 is located inside the water distribution chamber 111, and the switching actuator 2 includes a switching plate 22 for opening and closing the second water outlet 114 and a swing shaft 21 located at one end of the switching plate 22. The swing shaft 21 is located at one end of the second water outlet 114. A sealing gasket 43 is provided on the side of the switching plate 22 that cooperates with the second water outlet 114.

[0035] The cross-section of the water distribution chamber 111 is fan-shaped, and the swing shaft 21 is located at the center of the fan, causing the switching actuator 2 to rotate around its swing shaft 21 along the circumference of the water distribution chamber 111. Specifically, the second outlet 114 is located at one end of the fan-shaped circumference, and the inner wall of the water distribution chamber 111 at the other end of the fan-shaped circumference forms an abutment wall 116. When the switching actuator 2 opens the second outlet 114, the other side of the switching plate 22 abuts against the abutment wall 116 to avoid the incoming water flow and prevent the second outlet 114 from being closed by the incoming water pressure.

[0036] The switching drive includes a motor 3, which is mounted on the valve body 1, and its output shaft is connected to the switching actuator 2. Specifically, the output shaft of the motor 3 is directly coaxially connected to the swing shaft 21 of the switching actuator 2. Alternatively, a transmission assembly, such as a gear transmission assembly, can be used for the connection. In other embodiments, the switching drive can also be a mechanical structure, such as a button, to achieve manual operation, or it can be a float that is driven by changes in the water level in the tank.

[0037] The valve body 1 has a first anti-siphon port 131 on one side of the inlet 112 and a second anti-siphon port 115 on one side of the outlet 114. The first anti-siphon port 131 can be connected to the inlet 112, and the second anti-siphon port 115 can be connected to the outlet 114, depending on specific requirements, to achieve anti-siphon. In other embodiments, the second anti-siphon port can also be a vent.

[0038] The valve body 1 includes a valve body 11 and a cover 12. The valve body 11 is provided with an inlet 112, a first outlet 113, and a second outlet 114. The valve body 11 and the cover 12 together enclose a water distribution cavity 111, and a sealing ring 41 is fitted between the valve body 11 and the cover 12. The valve body 1 also includes an end cap 13 and a motor cover 14. The end cap 13 is installed on the side of the valve body 11 where the inlet 112 is located, and a sealing ring 42 is fitted between it and the valve body 11. The end cap 13 is provided with the aforementioned first anti-siphon port 131. The motor cover 14 and the cover 12 together form a mounting cavity 141 for mounting the motor 3.

[0039] This utility model discloses a switching valve that drives a switching actuator 2 to open or close a second outlet 114 via a switching drive component. When the second outlet 114 is closed, zero-pressure brush ring pre-wetting or water replenishment can be achieved normally. When the second outlet 114 is open, rapid, silent, zero-pressure flushing can be achieved. The valve has a simple structure and reliable function. It not only achieves pre-wetting, water replenishment, and rapid, silent, zero-pressure flushing, but also provides stable water replenishment and eliminates the need for an inlet valve and water replenishment pipe, effectively preventing water from flowing back to the inlet valve and contaminating the water source during flushing.

[0040] Please see Figures 7-9 As shown, a flushing system of this utility model includes a water control mechanism, a brush ring water channel 20 and a main flushing water channel 30, and also includes the aforementioned switching valve 10. The water outlet of the water control mechanism is connected to the water inlet 112, the first water outlet 113 is connected to the water inlet of the brush ring water channel 20, and the second water outlet 114 is connected to the water inlet of the main flushing water channel 30.

[0041] The water control mechanism includes a water tank 40 and a water pump 50. The inlet of the water pump 50 is connected to the water tank 40, and the outlet of the water pump 50 is connected to the inlet 112. An inlet valve 60 is provided inside the water tank 40. In other embodiments, the water control mechanism can also be a solenoid valve that is directly connected to a tap water pipe.

[0042] like Figure 9 As shown, when the first anti-siphon port 131 on the valve body 1 is connected to the inlet 112, since the first anti-siphon port 131 faces the water tank 40, the water leaking from the first anti-siphon port 131 can flow directly into the water tank 40 during flushing, thus preventing the water leaking from the first anti-siphon port 131 from flowing to other places. When the second anti-siphon port 115 on the valve body 1 is connected to the second outlet 114, the second anti-siphon port 115 can be connected to a drain pipe, etc., to guide the water leaking from the second anti-siphon port 115 during flushing into the water tank 40, etc., thus preventing the water leaking from the second anti-siphon port 115 from flowing to other places. Due to the large flow rate of the water pump, the water leaking from the first anti-siphon port 131 and the second anti-siphon port 115 has little impact on flushing.

[0043] Please see Figure 10 As shown, a toilet according to this utility model includes a toilet body 100 and the flushing system described in this utility model, which is disposed on the toilet body 100. The toilet body 100 is provided with a brush ring opening 101 and a main flush opening 102. The water outlet of the brush ring water passage 20 is connected to the brush ring opening 101, and the water outlet of the main flush water passage 30 is connected to the main flush opening 102.

[0044] This utility model discloses a toilet in which, when the user sits down, the switching actuator 2 in the switching valve 10 closes the second water outlet 114 and turns on the water pump 50 to pre-wet the brush rim outlet 101; during flushing, the switching actuator 2 in the switching valve opens the second water outlet 114, controls the water pump 50 to output high power, and water flows out from the brush rim outlet 101 and the main flush outlet 102 simultaneously to achieve silent and rapid siphon flushing; when flushing ends, the water pump 50 is turned off, the switching actuator 2 in the switching valve 10 closes the second water outlet 114, and the water pump 50 is turned on again to replenish water from the brush rim outlet 101.

[0045] The present invention relates to a switching valve, a flushing system, and a toilet. The parts not described herein are the same as or can be implemented using existing technologies.

[0046] The above embodiments are only used to further illustrate a switching valve, flushing system and toilet of the present invention. However, the present invention is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims

1. A switching valve, characterized in that: The device includes a valve body, a switching actuator, and a switching drive. The valve body has a water distribution chamber and an inlet, a first outlet, and a second outlet connected to the water distribution chamber. The switching actuator is movably disposed on the valve body and is driven by the switching drive to open or close the second outlet.

2. The switching valve according to claim 1, characterized in that: The switching actuator is oscillatingly connected to the valve body and opens or closes the second outlet by oscillating.

3. The switching valve according to claim 2, characterized in that: The switching actuator is located inside the water distribution chamber, and the switching actuator includes a switching plate for opening and closing the second water outlet and a swing shaft located at one end of the switching plate.

4. The switching valve according to claim 3, characterized in that: The cross-section of the water distribution chamber is fan-shaped, and the swing shaft is located at the center of the fan shape, causing the switching actuator to rotate around its swing shaft along the circumference of the water distribution chamber.

5. The switching valve according to any one of claims 2-4, characterized in that: The switching drive includes a motor, which is mounted on the valve body, and the output shaft of the motor is connected to the switching actuator.

6. The switching valve according to claim 1, characterized in that: The valve body is also provided with a first anti-siphon port, which is connected to the water inlet; the valve body is also provided with a second anti-siphon port or an exhaust port, which is connected to the second water outlet.

7. The switching valve according to claim 1, characterized in that: The valve body includes a valve body and a cover. The valve body is provided with the inlet, the first outlet and the second outlet. The valve body and the cover together form the water distribution chamber.

8. A flushing system, comprising a water control mechanism, a brush ring water channel, and a main flushing water channel, characterized in that: It also includes a switching valve as described in any one of claims 1-7, wherein the outlet of the water control mechanism is connected to the inlet, the first outlet is connected to the inlet of the brush ring water circuit, and the second outlet is connected to the inlet of the main flushing water circuit.

9. The flushing system according to claim 8, characterized in that: The water control mechanism includes a water tank and a water pump. The water inlet of the water pump is connected to the water tank, and the water outlet of the water pump is connected to the water inlet.

10. A toilet, comprising a toilet body, characterized in that: It also includes the flushing system as described in claim 8 or 9, which is disposed on the toilet body.

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