CN220469026U - High-flow low-noise flushing system - Google Patents

Abstract

The utility model discloses a high-flow low-noise flushing system which is arranged in a water tank of a closestool and comprises a water inlet valve, a drain valve and a switching device, wherein the switching device comprises a water inlet, a first water outlet, a second water outlet and a switching assembly, the switching assembly is switched to enable the first water outlet and the second water outlet to be communicated with the water inlet in sequence for discharging water, the first water outlet is communicated with a brush ring pipeline of the closestool, the second water outlet is communicated with the drain valve, and discharged water from the second water outlet enters the drain valve and drives the drain valve to open for draining. According to the high-flow low-noise flushing system, the water storage in the water tank is pumped by the small water pump, the water discharge valve is hydraulically driven to open for water discharge, the working noise is low, the water storage in the water tank can be rapidly emptied by the water discharge valve, and the water discharge flow is high; in addition, a flushing-assisting pipeline is arranged to further promote water flow, so that siphon is enhanced; the switching device realizes automatic switching of waterways in a mechanical control mode, is reliable in switching, and is simple in structure and small in size.

Description

High-flow low-noise flushing system

Technical Field

The utility model relates to the technical field of intelligent toilets, in particular to a high-flow low-noise flushing system.

Background

Currently, a submerged tank has been increasingly used in toilets. In order to ensure that the water pressure is sprayed by the spraying pipeline, the water in the water tank is pumped by the water pump and is directly sprayed out of the spraying pipeline of the closestool, so that the flushing system of the existing submerged water tank can be realized by using a high-power water pump, and the corresponding water pump has large volume and large working noise; in addition, the brush ring waterway and the injection waterway in the flushing system are switched, and the opening and closing of the related water stopping structure is controlled by arranging the electromagnetic valve, however, the electromagnetic valve is adopted, the control reliability is poor, the faults are easy to occur, the use is inconvenient, the required installation space is large, and the cost is high.

In view of this, the applicant has discovered a high flow low noise flushing system.

Disclosure of Invention

The utility model aims to provide a high-flow low-noise flushing system with simple and compact structure and reliable switching.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a large-traffic low noise flushing system, its setting is in the water tank of closestool, including water intaking valve, drain valve and auto-change over device, auto-change over device includes water inlet, first delivery port, second delivery port and auto-change over subassembly, the water inlet is connected with the water intake pump, auto-change over subassembly switches and makes first delivery port, second delivery port communicate out water with the water inlet in proper order, first delivery port and the brush circle pipeline intercommunication of closestool, the second delivery port with the drain valve intercommunication, second delivery port goes out water and gets into the drain valve and drive the drain valve and open the drainage, the drain valve is connected with the injection pipeline of closestool, auto-change over device still is equipped with the communicating third delivery port of second delivery port, the third delivery port is connected with and helps towards the pipeline, help towards the jet orifice that the pipeline extends to the injection pipeline.

Further, a partition plate is arranged in the water tank to divide the water tank into a first water tank and a second water tank, the switching device and the water inlet pump are arranged in the first water tank, and the water inlet valve and the water outlet valve are arranged in the second water tank.

Further, the switching device comprises a device body, the device body comprises a switching cavity communicated with the water inlet, the first water outlet and the second water outlet, a first water stopping component and a second water stopping component are respectively arranged in the switching cavity corresponding to the first water outlet and the second water outlet, the switching component is switched to enable the first water stopping component to block the first water outlet or the second water stopping component to block the second water outlet, and the opening and closing states of the first water outlet and the second water outlet are opposite.

Further, the switching assembly comprises a pontoon and a switching connecting rod, the switching connecting rod is rotatably connected with the device body, and the pontoon is lifted to drive the switching connecting rod to rotate so as to realize switching of the switching assembly.

Further, the device body is provided with a connecting channel and a flushing-assisting water outlet channel, one end of the connecting channel is communicated with the second water outlet, the other end of the connecting channel is communicated with the flushing-assisting water outlet channel through a one-way conduction assembly, and the one-way conduction assembly is opened by water outlet of the connecting channel so that the connecting channel is communicated with the flushing-assisting water outlet channel.

Further, a water stopping cavity is arranged in the device body, one side of the bottom end of the water stopping cavity is communicated with the flushing-assisting water outlet channel, the other side of the bottom end of the water stopping cavity is communicated with the outlet of the connecting channel, and the one-way conduction assembly is arranged at the top end of the outlet of the connecting channel.

Further, the unidirectional conduction subassembly includes water stop pad and reset spring, water stop pad can set up the top at the connecting channel export with activity from top to bottom, reset spring bottom offsets with the water stop pad, top and the looks of stagnant water intracavity wall.

Further, the inner wall of the water stopping cavity is provided with a guide rib which is vertically arranged, and the outer wall of the water stopping pad is provided with a guide groove which is movably clamped with the guide rib.

Further, the first water outlet is located above the second water outlet, the flushing-assisting water outlet channel is vertically extended, the water inlet is located at the bottom end of the switching cavity, one end of the connecting channel horizontally extends to be communicated with the second water outlet, and the other end vertically extends to be connected with the top end of the flushing-assisting water outlet channel through the one-way conduction assembly.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

according to the high-flow low-noise flushing system, the water in the water tank is pumped by the water pump to hydraulically drive the drain valve to open for drainage, the water pump adopts the water pump with small volume and small power, so that the working noise is greatly reduced, the water in the water tank can be quickly drained by the drainage of the drain valve, and the drainage flow is high; in addition, a flushing assisting pipeline is arranged to extend to the toilet bowl jet orifice, so that the water flow is further lifted, and siphonage is enhanced; through auto-switch in the switching device, realize the automatic switch in water route through mechanical control's mode, switch reliably, sealed delivery port leakproofness is good through sealed cushion, and switching device overall structure is simple, compact, small, use cost is low, does benefit to the miniaturization of closestool water tank.

Drawings

FIG. 1 is a schematic view of a flushing system according to an embodiment of the present utility model installed on a toilet;

FIG. 2 is a schematic diagram of the installation and tank assembly of a flushing system in accordance with an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a flushing system according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a switching device according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram illustrating another view of a switching device according to an embodiment of the utility model;

FIG. 6 is a partial cross-sectional view of a device body according to an embodiment of the present utility model;

fig. 7 is a partial cross-sectional view of a switching device according to an embodiment of the present utility model.

Reference numerals illustrate:

10-a water tank, wherein the water tank is provided with a water inlet,

11-water inlet valve, 12-water outlet valve, 13-water inlet pump, 14-brush ring pipeline, 15-injection pipeline, 16-flushing assisting pipeline, 17-partition board, 171-first water tank, 172-second water tank,

a 20-phase switching device, which is connected with the first phase switching device,

30-the device body is provided with a plurality of grooves,

31-water inlet, 311-water inlet channel,

32-a first water outlet, 321-a first water stopping component,

33-a second water outlet, 331-a second water stopping component, 332-a connecting channel,

34-a third water outlet, 341-a flushing-assisting water outlet channel,

35-a switching chamber, which is arranged in the cavity,

36-one-way conduction component, 361-water stop pad, 362-reset spring,

37-water stop, 371-end cover, 372-pressure release hole,

38-water stopping cavity 381-sealing cover 382-guide rib,

a 40-a switching component that is configured to switch the switching component,

41-pontoon, 42-switching link.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

With reference to fig. 1 to 7, the utility model discloses a high-flow low-noise flushing system, which is used in an intelligent closestool, is particularly suitable for being used in a sinking closestool, and realizes the functions of a brush ring (brush ring pipeline 14) and a flushing (spraying pipeline 15) of the closestool.

Referring to fig. 1 to 7, a high-flow low-noise flushing system is arranged in a water tank 10 of a toilet and comprises a water inlet valve 11, a drain valve 12 and a switching device 20, wherein the switching device 20 comprises a water inlet 31, a first water outlet 32, a second water outlet 33 and a switching assembly 40, the water inlet 31 is connected with a water inlet pump 13, the switching assembly 40 is switched to enable the first water outlet 32 and the second water outlet 33 to be communicated with the water inlet 31 in sequence, the first water outlet 32 is communicated with a brush ring pipeline 14 of the toilet, the second water outlet 33 is communicated with the drain valve 12, and water discharged from the second water outlet 33 enters the drain valve 12 to drive the drain valve 12 to open the drain.

In the flushing system, the automatic switching of waterways is realized through the switching device 20, the water inlet pump 13 pumps water stored in the water tank 10 to the water inlet 31, the first water outlet 32 is communicated with the water inlet 31, and then the first water outlet 32 and the brush ring pipeline 14 firstly discharge water to flush the side wall of the urinal; then the switching component 40 is switched to enable the second water outlet 33 to be communicated with the water inlet 31, at the moment, water from the second water outlet 33 enters the drain valve 12, the drain valve 12 is connected with the injection pipeline 15 of the toilet, the drain valve 12 is opened, and water in the water tank 10 is directly injected into the urinal through the drain valve 12 and the injection pipeline 15, so that dirt in the urinal is flushed away.

In the process, the water inlet pump 13 only needs to provide water for brushing the ring and opening the drain valve 12, the water quantity is small, so that a small-size and small-power pump can be selected, the working noise can be greatly reduced, and the low noise is realized; in addition, the water storage in the water tank 10 is directly discharged through the drain valve 12, the water flow is large, the water flow impact force is large, the siphon effect is good, and the flushing is cleaner and more thorough.

Wherein, the switching device 20 is also provided with a third water outlet 34 communicated with the second water outlet 33, the third water outlet 34 is connected with the flushing assisting pipeline 16, and the flushing assisting pipeline 16 extends to the jet orifice of the jet pipeline 15. The flushing assisting pipeline 16 extends from the outside of the jet pipeline 15 to the jet port of the jet pipeline 15, and extends into the jet port at the position of the jet port, the switching device 20 is switched to the second water outlet 33 to discharge water, the second water outlet 33 and the third water outlet 34 discharge water simultaneously, and correspondingly, the jet pipeline 15 and the flushing assisting pipeline 16 spray water into the urinal simultaneously, the water flow is further increased, the siphon effect is further enhanced, and the flushing effect is improved.

As shown in fig. 1 to 2, a partition 17 is provided in the water tank 10 to divide the water tank 10 into a first water tank 171 and a second water tank 172, the switching device 20 and the water inlet pump 13 are installed in the first water tank 171, and the water inlet valve 11 and the water outlet valve 12 are installed in the second water tank 172.

The switching device 20 drives the pontoon 41 to lift through the water level change in the water tank 10 to realize the switching function (specific structure is described later), if the water level in the whole water tank 10 is reduced to the water level switched by the pontoon 41 and then the waterway is switched, on one hand, the front-stage water brushing pipeline 14 is too long in water outlet, necessary and water resource is wasted, on the other hand, the water storage in the water tank 10 is not too much (the water level switched by the pontoon 41 is lower), the water quantity of the subsequent injection pipeline 15 is correspondingly reduced, and the final flushing effect can be influenced. Therefore, the water tank 10 is separated by the partition 17, the switching device 20 and the water inlet pump 13 are arranged in the first water tank 171, so that the water for brushing the ring and opening the water discharge valve 12 is provided by the first water tank 171, and the water level in the first water tank 171 can be quickly reduced, so that the switching device 20 switches the water path, and the water level of the second water tank 172 is not influenced, namely, the water quantity of the subsequent injection pipeline 15 is not influenced.

In this embodiment, the top end of the partition 17 is slightly lower than the overflow water level of the water tank 10, so when the first water outlet 32 of the switching device 20 discharges water, the overall water level in the water tank 10 drops until the top end of the partition 17, and then the water level in the first water tank 171 drops to the switching water level of the pontoon 41, so that the switching device 20 switches to the second water outlet 33 to discharge water; the water level in the second tank 172 is not changed until the drain valve 12 is opened to drain.

The drain valve 12 is disposed in the second water tank 172, which is hydraulically driven to be opened by the water discharged from the second water outlet 33, and when the second water outlet 33 does not discharge water, the drain valve 12 is automatically reset to be closed. The water inlet valve 11 is arranged in the second water tank 172, the water level change in the second water tank 172 drives the water inlet valve 11 to open or close to stop water inlet, the water inlet end of the water inlet valve 11 is arranged at the bottom end of the water inlet valve, the water outlet end is arranged at the upper part of the water inlet valve, the water outlet end corresponds to the first water tank 171 (the water outlet end is directly sprayed into the first water tank 171 or is directly connected into the first water tank 171 through a pipeline), the water inlet valve 11 directly enters the first water tank 171 through the water outlet end, the first water tank 171 firstly stores water until the water level rises, overflows from the partition plate 17 to the second water tank 172, and then the second water tank 172 is slowly filled to the overflow water level.

As shown in fig. 4 to 7, in this embodiment, the switching device 20 is designed as follows:

the switching device 20 comprises a device body 30, the device body 30 comprises a switching cavity 35 communicated with the water inlet 31, the first water outlet 32 and the second water outlet 33, a first water stopping component 321 and a second water stopping component 331 are respectively arranged in the switching cavity 35 corresponding to the first water outlet 32 and the second water outlet 33, the switching component 40 is switched to enable the first water stopping component 321 to block the first water outlet 32 or the second water stopping component 331 to block the second water outlet 33, and the opening and closing states of the first water outlet 32 and the second water outlet 33 are opposite.

The whole device body 30 is integrally formed, the first water outlet 32 is communicated with the brush ring pipeline 14, the second water outlet 33 is communicated with the drain valve 12 (the injection pipeline 15) and the flushing assisting pipeline 16, and the switching assembly 40 realizes automatic switching of water outlet of the two water outlets, so that automatic switching of a flushing system waterway is realized, and automatic brush ring and flushing functions of a toilet are realized.

The device body 30 is provided with a connection channel 332 and a flushing-assisting water outlet channel 341, one end of the connection channel 332 is communicated with the second water outlet 33, the other end of the connection channel 332 is communicated with the flushing-assisting water outlet channel 341 through a one-way conduction assembly 36, the one-way conduction assembly 36 is opened by water outlet of the connection channel 332 to enable the connection channel 332 to be communicated with the flushing-assisting water outlet channel 341, the flushing-assisting water outlet channel 341 is communicated with the flushing-assisting pipeline 16, the device body 30 is provided with a water inlet channel 311 corresponding to the water inlet 31, the bottom end of the water inlet channel 311 is connected with the water inlet pump 13, and an interface connected with the drain valve 12 is positioned on the outer wall of the flushing-assisting water outlet channel 341.

The water inlet channel 311 is used for water inlet, water is sent into the switching cavity 35, water in the switching cavity 35 is output through the first water outlet 32 and the second water outlet 33, specifically, when the water is output through the first water outlet 32, water flow is output through the brush ring pipeline 14, and the side wall of the toilet bowl is flushed; when the water is output through the second water outlet 33, the water flow is output through the connecting channel 332, the spraying pipeline 15 and the flushing-assisting pipeline 16 simultaneously output water, and the water is sprayed through the spraying port to flush away dirt in the urinal.

The specific design of the device body 30 is as follows: the first water outlet 32 is located above the second water outlet 33, the water inlet channel 311 and the flushing-assisting water outlet channel 341 are all vertically extended, the top end of the water inlet channel 311 is communicated with the bottom end of the switching cavity 35, one end of the connecting channel 332 horizontally extends to be communicated with the second water outlet 33, and the other end vertically extends to be connected with the top end of the flushing-assisting water outlet channel 341 through the unidirectional conduction assembly 36. The interface between the device body 30 and the injection pipeline 15 and the interface between the device body and the drain valve 12 may be located on any side of the device body 30 (the interfaces are located on two sides of the device body 30 in the drawing, and only one product is actually located corresponding to each interface), so that the position convenient to install can be flexibly selected according to the actual safety requirement.

Wherein, the switching cavity 35 is provided with a water stopping port 37 corresponding to the first water outlet 32 and the second water outlet 33. The water stop port 37 is used for installing a water stop assembly, the water stop assembly is provided with two groups, the first water outlet 32 and the second water outlet 33 are correspondingly opened and closed respectively, and waterway switching is realized through the opening and closing states of the first water outlet 32 and the second water outlet 33.

The water stopping assembly comprises a first water stopping assembly 321 and a second water stopping assembly 331 which correspond to the first water outlet 32 and the second water outlet 33 respectively, the first water stopping assembly 321 and the second water stopping assembly 331 share one end cover 371, the first water stopping assembly 321 and the second water stopping assembly 331 are installed at the water stopping opening 37, sealing gaskets are arranged on the inner sides of the end covers 371 respectively corresponding to the first water outlet 32 and the second water outlet 33, a back pressure cavity is formed between the two sealing gaskets and the end covers 371 respectively, pressure relief holes 372 are formed in the end covers 371 respectively corresponding to the two back pressure cavities, and the overall structure is more compact. The water stopping principle of the first water stopping component 321 and the second water stopping component 331 is the same as that of the back pressure valve, and the description thereof will not be repeated here.

The device body 30 is internally provided with a water stop cavity 8, one side of the bottom end of the water stop cavity 8 is communicated with the flushing-assisting water outlet channel 341, the other side of the bottom end of the water stop cavity is communicated with the outlet of the connecting channel 332, and the one-way conduction assembly 36 is arranged at the top end of the outlet of the connecting channel 332. The unidirectional conduction assembly 36 includes a water stop pad 361 and a return spring 362, the water stop pad 361 is movably disposed at the top end of the outlet of the connection channel 332, the bottom end of the return spring 362 abuts against the water stop pad 361, and the top end abuts against the inner wall of the water stop cavity 8.

Specifically, for easy installation, the top end of the water-stopping cavity 8 is provided with a sealing cover 381 detachably connected with the device body 30, and the sealing cover 381 is sealed with the top end of the device body 30 to form the water-stopping cavity 8. The tip of the return spring 362 abuts against the inner wall of the seal cover 381. When the connecting channel 332 discharges water, the water flow pushes up the water stop pad 361 upwards, so that the outlet of the connecting channel 332 is opened, and the water flow of the connecting channel 332 enters the water spraying channel; when the connection passage 332 does not discharge water, the water stop pad 361 is restored downward by the restoring spring 362, and the water stop pad 361 is pressed against the outlet of the connection passage 332 to seal it.

The inner wall of the water stop cavity 8 is provided with a guide rib 382 which is vertically arranged, and the outer wall of the water stop pad 361 is provided with a guide groove which is movably clamped with the guide rib 382. The design of the guide ribs 382 plays a role in limiting and guiding the up-and-down movement of the water stop pad 361, and ensures the stability of the water stop pad 361.

The switching assembly 40 comprises a pontoon 41 and a switching connecting rod 42, wherein the switching connecting rod 42 is rotatably connected with the device body 30, and the pontoon 41 is lifted to drive the switching connecting rod 42 to rotate so as to realize the switching of the switching assembly 40. The pontoon 41 is movably disposed on the outer wall of the water inlet channel 311 (the pontoon 41 can move up and down), the pontoon 41 is connected with a switching connecting rod 42 linked with the pontoon 41, and the switching connecting rod 42 opens and closes the pressure release holes 372 of the first water stop component 321 and the second water stop component 331 along with the lifting of the pontoon 41. Specifically, the pontoon 41 ascends, the switching connecting rod 42 moves along with the pontoon, the pressure relief hole 372 of the first water stop component 321 is opened, the pressure relief hole 372 of the second water stop component 331 is simultaneously plugged, the first water outlet 32 discharges water, the second water outlet 33 does not discharge water, and the toilet brush ring pipeline 14 discharges water to flush the side wall of the urinal; the pontoon 41 descends, the switching connecting rod 42 moves along with the pontoon, the pressure relief hole 372 of the second water stop component 331 is opened, the pressure relief hole 372 of the first water stop component 321 is simultaneously plugged, the second water outlet 33 discharges water, the first water outlet 32 does not discharge water, and the toilet injection pipeline 15 and the flushing assisting pipeline 16 discharge water to flush toilet dirt.

The whole flushing system works as follows: when the water tank 10 is full of water, the water inlet pump 13 pumps the water in the water tank 10 into the switching cavity 35 through the water inlet channel 311, at the moment, the first water outlet 32 is used for discharging water, the second water outlet 33 is not used for discharging water, and the toilet bowl brushes the ring through the brush ring pipeline 14; the water level in the water tank 10 drops to the top end of the partition plate 17, the water level in the second water tank 172 does not drop any more, the water level in the first water tank 171 continues to drop to the switching water level, the pontoon 41 drops, at the moment, the first water stopping component 321 seals the first water outlet 32 and does not discharge water, meanwhile, the second water outlet 33 is opened for discharging water, part of the discharged water enters the drain valve 12 and opens the drain valve 12, the other part of the discharged water passes through the flushing assisting pipeline 16 to the injection port, the water in the second water tank 172 is sprayed out through the injection port of the injection pipeline 15 after the drain valve 12 is opened, and dirt in the urinal is flushed; the water level in the second water tank 172 continuously drops to the water inlet valve 11 to automatically feed water to the first water tank 171, meanwhile, the flushing assisting pipeline 16 continuously discharges water to supplement water to the urinal to form sealing liquid, the water level of the first water tank 171 is switched to the water level, the pontoon 41 rises, the second water outlet 33 is blocked and no water is discharged, meanwhile, the water inlet pump 13 stops working, the water discharge valve 12 is closed, the water level of the first water tank 171 continuously rises until the water overflows to the second water tank 172 through the top end of the partition plate 17, and the water level of the second water tank 172 rises until the water inlet valve 11 stops feeding water.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (9)

1. A high flow low noise flushing system, which is arranged in a water tank of a toilet, characterized in that: including water intaking valve, drain valve and auto-change over device, auto-change over device includes water inlet, first delivery port, second delivery port and switching element, the water inlet is connected with the pump that intakes, switching element switches and makes first delivery port, second delivery port communicate the play water with the water inlet in proper order, first delivery port and the brush circle pipeline intercommunication of closestool, the second delivery port with the drain valve intercommunication, the drain valve is connected with the injection pipeline of closestool, and the second delivery port goes out water and gets into the drain valve and drive the drain valve and open the drainage, switching element still is equipped with the communicating third delivery port of second delivery port, the third delivery port is connected with and helps towards the pipeline, help towards the jet orifice that the pipeline extends to the injection pipeline.

2. A high flow low noise flushing system as set forth in claim 1, wherein: the water tank is internally provided with a partition plate which divides the water tank into a first water tank and a second water tank, the switching device and the water inlet pump are arranged in the first water tank, and the water inlet valve and the water outlet valve are arranged in the second water tank.

3. A high flow low noise flushing system according to claim 1 or 2, wherein: the switching device comprises a device body, the device body comprises a switching cavity communicated with the water inlet, the first water outlet and the second water outlet, a first water stopping component and a second water stopping component are respectively arranged in the switching cavity corresponding to the first water outlet and the second water outlet, the switching component is switched to enable the first water stopping component to block the first water outlet or the second water stopping component to block the second water outlet, and the opening and closing states of the first water outlet and the second water outlet are opposite.

4. A high flow low noise flushing system as set forth in claim 3, wherein: the switching assembly comprises a pontoon and a switching connecting rod, the switching connecting rod is rotatably connected with the device body, and the pontoon is lifted to drive the switching connecting rod to rotate so as to realize switching of the switching assembly.

5. A high flow low noise flushing system as set forth in claim 3, wherein: the device body is provided with a connecting channel and a flushing-assisting water outlet channel, one end of the connecting channel is communicated with the second water outlet, the other end of the connecting channel is communicated with the flushing-assisting water outlet channel through a one-way conduction assembly, and the one-way conduction assembly is opened by water outlet of the connecting channel so that the connecting channel is communicated with the flushing-assisting water outlet channel.

6. A high flow low noise flushing system as set forth in claim 5, wherein: the device is internally provided with a water stopping cavity, one side of the bottom end of the water stopping cavity is communicated with the flushing-assisting water outlet channel, the other side of the bottom end of the water stopping cavity is communicated with the outlet of the connecting channel, and the one-way conduction assembly is arranged at the top end of the outlet of the connecting channel.

7. A high flow low noise flushing system as set forth in claim 6, wherein: the unidirectional conduction subassembly includes water stop pad and reset spring, water stop pad can set up the top at the connecting channel export with activity from top to bottom, reset spring bottom offsets with the water stop pad, top and the looks of stagnant water intracavity wall.

8. A high flow low noise flushing system as set forth in claim 7, wherein: the inner wall of the water stopping cavity is provided with a guide rib which is vertically arranged, and the outer wall of the water stopping pad is provided with a guide groove which is movably clamped with the guide rib.

9. A high flow low noise flushing system as set forth in claim 5, wherein: the first water outlet is positioned above the second water outlet, the flushing-assisting water outlet channel is vertically extended, the water inlet is positioned at the bottom end of the switching cavity, one end of the connecting channel horizontally extends to be communicated with the second water outlet, and the other end vertically extends to be connected with the top end of the flushing-assisting water outlet channel through the one-way conduction assembly.