CN217267862U

CN217267862U - Closestool scouring system

Info

Publication number: CN217267862U
Application number: CN202220402565.2U
Authority: CN
Inventors: 钟志军; 陈海滨; 赖新兆
Original assignee: Xiamen Yidian Intelligent Technology Co Ltd
Current assignee: Xiamen Yidian Intelligent Technology Co Ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-23
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a closestool scouring system, include: the water tank is used for storing water; the inlet of the water pump is communicated with the water tank; the closestool is provided with a bedpan, water seal water for forming water seal is arranged at the bottom of the bedpan, a water storage cavity is arranged at the bottom of the bedpan, the water storage cavity is provided with a front cavity wall and a rear cavity wall which are oppositely arranged, the front cavity wall is provided with an injection hole, the rear cavity wall is provided with a mounting hole, and the water storage cavity is communicated with the water seal through the injection hole; the flow increasing device is arranged in the mounting hole, an inlet of the flow increasing device is communicated with an outlet of the water pump, water sprayed out of an outlet of the flow increasing device is sprayed to the water seal through the spraying hole, and the flow increasing device is configured to enable the water in the water storage cavity to be led out of the spraying hole by utilizing the Venturi principle. The utility model discloses utilize the water pump to take the water in the water tank out and supply to the flow increasing device, because the rivers that the water pump was taken out in the water tank are comparatively stable and easy control for the flow increasing effect of flow increasing device is also more stable, the flow increasing time is controllable, makes the scouring effect of closestool stable, the scouring dynamics is secure.

Description

Toilet flushing system

Technical Field

The utility model relates to the technical field of sanitary wares, especially relate to a closestool scouring system.

Background

The toilet usually combines main flushing water and cleaning water, the cleaning water flushes dirt on the wall surface of the toilet bowl, and then the main flushing water drives the dirt flushed by the cleaning water to be discharged through a sewage discharge pipeline.

The main structure of dashing of present pressure type closestool flushing system is generally directly to the sewage pipes jet of closestool through a aperture, utilizes the venturi principle to make sewage pipes produce the siphon, and this kind of flushing system's scouring dynamics is little, and erodees unstably, very influences user experience.

SUMMERY OF THE UTILITY MODEL

The utility model provides a closestool scouring system for solving the technical problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a toilet flushing system, comprising:

the water tank is used for storing water;

the inlet of the water pump is communicated with the water tank;

the toilet bowl is provided with a toilet bowl body, water seal water for forming water seal is arranged at the bottom of the toilet bowl body, a water storage cavity is arranged at the bottom of the toilet bowl body, the water storage cavity is provided with a front cavity wall and a rear cavity wall which are oppositely arranged, the front cavity wall is provided with a jet hole, the rear cavity wall is provided with a mounting hole, and the water storage cavity is communicated with the water seal through the jet hole;

the flow increasing device is arranged in the mounting hole, an inlet of the flow increasing device is communicated with an outlet of the water pump, the water pump is used for pumping water in the water tank and supplying the water to the flow increasing device, water sprayed out of an outlet of the flow increasing device is sprayed to the water seal through the spray hole, and the flow increasing device is configured to take the water in the water storage cavity out of the spray hole by utilizing the Venturi principle.

Preferably, before the water level of the water storage cavity is reduced to the state that the water storage cavity can be communicated with the outside atmosphere through the jet hole, the water pump stops supplying water to the flow increasing device; after the flushing of the toilet flushing system is finished, the water flowing to the water seal at the bottom of the toilet bowl fills the water storage cavity.

Preferably, the flow increasing device is provided with a jet passage and a flow increasing passage, the cross-sectional area of the inlet end of the flow increasing passage is larger than that of the outlet end of the jet passage, the inlet end of the jet passage is communicated with the outlet of the water pump, water at the outlet end of the jet passage is sprayed to the inlet end of the flow increasing passage, a flow increasing gap communicated with the water storage cavity is formed between the outlet end of the jet passage and the inlet end of the flow increasing passage, and water sprayed out of the flow increasing passage is sprayed to the water seal through the jet hole.

Preferably, the flow increasing device is further arranged in the jet hole in a sealing and penetrating mode, and the water pump stops supplying water to the flow increasing device before the water level of the water storage cavity is lowered to the top wall of the outlet end of the flow increasing channel; or the flow increasing device is also arranged in the jet hole in a penetrating way and has a gap with the hole wall of the jet hole, and the water pump stops supplying water to the flow increasing device before the water level of the water storage cavity is reduced to the top wall of the jet hole.

Preferably, the flow increasing device comprises an outer sleeve which is used for connecting the injection channel and the flow increasing channel, the outlet end of the injection channel and the inlet end of the flow increasing channel are positioned in the outer sleeve, a flow increasing hole which penetrates through the outer sleeve is arranged on the side wall of the outer sleeve, and the flow increasing gap is communicated with the water storage cavity through the flow increasing hole.

Preferably, the flow increasing device comprises a spraying main body and a flow increasing main body which are connected together through a connecting structure, the spraying channel and the outer sleeve are both arranged on the spraying main body, and the flow increasing channel is arranged on the flow increasing main body.

Preferably, the bottom of the bedpan is also provided with a drain pipe, the outlet of the flow increasing device is arranged opposite to the inlet of the drain pipe, and the cross-sectional area of the outlet of the flow increasing device is smaller than that of the inlet of the drain pipe.

Preferably, the flow increasing device is provided with a jet channel, the cross-sectional area of an outlet of the jet channel is smaller than that of the jet hole, the outlet of the jet channel and the inlet of the jet hole are arranged at intervals, and the outlet of the jet channel is opposite to the inlet of the jet hole to jet water flow; before the water level of the water storage cavity is lowered to the top wall of the jet hole, the water pump stops supplying water to the flow increasing device.

Preferably, the bottom of the bedpan is also provided with a drain pipe, the jet hole is arranged opposite to the inlet of the drain pipe, and the cross-sectional area of the jet hole is smaller than that of the inlet of the drain pipe.

Preferably, the toilet is provided with a cleaning pipeline for flushing the cleaning surface of the toilet bowl, and further comprises a switching valve for switching water supply to the cleaning pipeline and the flow increasing device, and the outlet of the water pump is switched and communicated with the inlet of the flow increasing device and the cleaning pipeline through the switching valve; and after the water pump is started and the switching valve is controlled to be switched to supply water to the cleaning pipeline for a preset time, the switching valve is controlled to be switched to supply water to the flow increasing device.

Preferably, after the water pump stops supplying water to the flow increasing device, the switching valve switches to supply water to the washing pipeline again to replenish water to the water seal.

Preferably, the water tank is arranged at the rear part of the closestool, and the water pump is arranged in the water tank or outside the water tank; the flow increasing device is arranged in the mounting hole in a penetrating mode in a sealing mode.

Preferably, the water storage cavity is provided with a vent, and the water storage cavity is communicated with the outside atmosphere through the vent.

Compared with the prior art, the utility model discloses following beneficial effect has:

the water sprayed out of the outlet of the flow increasing device is sprayed to the water seal through the spray holes, and the flow increasing device is configured to take the water in the water storage cavity out of the spray holes by utilizing the Venturi principle, so that the water in the water storage cavity can stably flow to the water seal at the bottom of the bedpan as soon as possible to replenish water to the water seal, and the flushing performance of the closestool can be improved; and, the utility model discloses utilize the water pump to take out the water in the water tank and supply to increasing the class device, because the rivers that the water pump was taken out in following the water tank are comparatively stable and easy control for the increase class effect of increasing the class device is also more stable, increase class time is controllable, and then makes the scouring effect of closestool stable, the scouring dynamics is secure, can further improve the scouring performance of closestool, makes the siphon that the blowdown pipe of bedpan bottom formed more stable, the siphon effect is better.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a schematic view of a partially exploded structure according to a first embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an embodiment of the present invention in a normal state;

FIG. 4 is an enlarged partial schematic view at A of FIG. 3;

FIG. 5 is a schematic sectional view of a sewage pipe in the first embodiment of the present invention after the water pump is turned on and when the siphon is just formed;

fig. 6 is a schematic sectional view of a water pump according to a first embodiment of the present invention.

The reference numerals are explained below:

1-a water tank, 2-a water pump, 3-a closestool, 31-a bedpan, 32-a water seal, 33-a water storage cavity, 331-a front cavity wall, 3311-an injection hole, 332-a rear cavity wall, 3321-an installation hole, 34-a sewage discharge pipe, 4-a flow increasing device, 41-a spray channel, 42-a flow increasing channel, 43-a flow increasing gap, 44-an outer sleeve, 441-a flow increasing hole, 45-a spray main body, 46-a flow increasing main body, 5-a cleaning pipeline, 6-a switching valve, 7-a main flushing pipeline and 8-a cleaning spray head component.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the toilet flushing system of the present invention is not limited to the embodiment.

Example one

Referring to fig. 1 to 6, a toilet flushing system of the present embodiment includes:

the water tank 1 is used for storing water;

the inlet of the water pump 2 is communicated with the water tank 1;

the closestool 3 is provided with a closestool 31, the bottom of the closestool 31 is provided with water seal water for forming a water seal 32, the bottom of the closestool 31 is provided with a water storage cavity 33, the water storage cavity 33 is provided with a front cavity wall 331 and a rear cavity wall 332 which are oppositely arranged, the front cavity wall 331 is provided with an injection hole 3311, the rear cavity wall 332 is provided with a mounting hole 3321, and the water storage cavity 33 is communicated with the water seal 32 through the injection hole 3311;

the flow increasing device 4 is mounted in the mounting hole 3321, an inlet of the flow increasing device 4 is communicated with an outlet of the water pump 2, the water pump 2 is used for extracting water in the water tank 1 and supplying the water to the flow increasing device 4, the water sprayed out of the outlet of the flow increasing device 4 is sprayed to the water seal 32 through the spraying hole 3311, and the flow increasing device 4 is configured to take the water in the water storage cavity 33 out of the spraying hole 3311 by utilizing the venturi principle.

The water sprayed from the outlet of the flow increasing device 4 in this embodiment is sprayed to the water seal 32 through the spraying holes 3311, and the flow increasing device 4 is configured to utilize the venturi principle to make the water in the water storage cavity 33 flow out of the spraying holes 3311, so that the water in the water storage cavity 33 can stably flow to the water seal 32 at the bottom of the toilet bowl 31 as soon as possible to replenish the water seal 32, and the flushing performance of the toilet bowl 3 can be improved; in addition, in the embodiment, the water in the water tank 1 is pumped out by the water pump 2 and is supplied to the flow increasing device 4, and the water flow pumped out from the water tank 1 by the water pump 2 is stable and easy to control, so that the flow increasing effect of the flow increasing device 4 is stable, the flow increasing time is controllable, the flushing effect of the toilet 3 is stable, the flushing force is guaranteed, and the flushing performance of the toilet 3 can be further improved.

Specifically, in the present embodiment, the water storage cavity 33 is disposed at the back of the bottom of the toilet bowl 31, the toilet bowl 31 is integrally formed with the water storage cavity 33, a vent (not shown) is further disposed at a position of the water storage cavity 33 near the top, and the water storage cavity 33 is communicated with the outside atmosphere through the vent; normally (i.e. the toilet flushing system is not flushing), the water level of the water storage chamber 33 is level with the water level of the water seal 32 at the bottom of the toilet bowl 31. Of course, in other embodiments, the water storage chamber may be formed separately from the bowl.

In this embodiment, the water pump 2 stops supplying water to the flow increasing device 4 before the water level of the water storage chamber 33 drops to a level where the water storage chamber 33 can communicate with the outside atmosphere through the injection holes 3311. This embodiment is because just control the pressure water source and stop supplying water to flow increasing device 4 before the water level in water storage chamber 33 drops to water storage chamber 33 and can communicate with the external atmosphere through the jet-orifice (namely before the water level in water storage chamber 33 drops to water storage chamber 33 can directly communicate with the air of bedpan 31 bottom through jet-orifice 3311), make the air in water storage chamber 33 unable direct with the air intercommunication of bedpan 31 bottom through jet-orifice 3311, can avoid the air in water storage chamber 33 to be inhaled in jet-orifice 3311, and then avoid gas-liquid mixture phenomenon and dry spray phenomenon, thereby effectively reduce the noise through the spun rivers of jet-orifice 3311.

Referring to fig. 3 to 6, in the present embodiment, the flow increasing device 4 is provided with a jet channel 41 and a flow increasing channel 42, the cross-sectional area of the inlet end of the flow increasing channel 42 is larger than the cross-sectional area of the outlet end of the jet channel 41, the inlet end of the jet channel 41 is communicated with the outlet of the water pump 2, the water at the outlet end of the jet channel 41 is sprayed to the inlet end of the flow increasing channel 42, a flow increasing gap 43 communicated with the water storage chamber 33 is formed between the outlet end of the jet channel 41 and the inlet end of the flow increasing channel 42, the water sprayed out of the flow increasing channel 42 (i.e. the water sprayed out of the outlet of the flow increasing device 4) is sprayed to the water seal 32 through the jet holes 3311, by adopting the structural design, the flow increasing device 4 of the present embodiment can suck the water in the water storage chamber 33 into the flow increasing device 4 through the flow increasing gap 43 by using the venturi principle, the water sucked into the flow increasing device 4 is sprayed to the water seal 32 at the bottom of the toilet bowl 31 through the flow increasing channel 42 together with the water sprayed from the jet holes 3311, therefore, the water in the water storage cavity 33 is led out of the jet holes 3311, so that the water in the water storage cavity 33 can stably flow to the water seal 32 at the bottom of the toilet bowl 31 as soon as possible to replenish the water seal 32, and the flushing performance of the toilet 3 is improved.

Referring to fig. 3 to 6, in the present embodiment, the flow increasing device 4 is further hermetically inserted into the injection hole 3311, so that the water in the water storage cavity 33 can be better injected to the water seal 32 at the bottom of the toilet bowl 31 through the injection hole 3311, and the flow increasing device 4 can be better installed and fixed, and meanwhile, the dirt in the water seal 32 can be prevented from entering the water storage cavity 33 from the gap between the hole wall of the injection hole 3311 and the flow increasing device 4; in this embodiment, before the water level of the water storage chamber 33 drops to the top wall of the outlet end of the flow-increasing channel 42, the water pump 2 stops supplying water to the flow-increasing device 4, so as to control the pressure water source to stop supplying water to the flow-increasing device 4 before the water level of the water storage chamber 33 drops to the water storage chamber 33 and can be communicated with the outside atmosphere through the injection holes 3311, so that the air in the water storage chamber 33 cannot be directly communicated with the air at the bottom of the bedpan 31 through the flow-increasing channel 42, and further the air in the water storage chamber 33 cannot be directly communicated with the air at the bottom of the bedpan 31 through the injection holes 3311, so as to prevent the air in the water storage chamber 33 from being sucked into the flow-increasing channel 42 in the injection holes 3311, and further prevent the air-liquid mixing phenomenon and the dry spraying phenomenon, thereby effectively reducing the noise of the water flow sprayed through the injection holes 3311.

Referring to fig. 3 to fig. 6, in the present embodiment, the flow increasing device 4 includes an outer casing 44 for connecting the injection channel 41 and the flow increasing channel 42, an outlet end of the injection channel 41 and an inlet end of the flow increasing channel 42 are located in the outer casing 44, a flow increasing hole 441 is disposed on a side wall of the outer casing 44, and the flow increasing gap 43 is communicated with the water storage cavity 33 through the flow increasing hole 441. Preferably, in this embodiment, the cross-sectional area of the entire flow-increasing channel 42 is larger than the cross-sectional area of the outlet end of the injection channel 41.

Specifically, in the embodiment, the flow increasing device 4 comprises the injection main body 45 and the flow increasing main body 46 which are connected together through a connecting structure, the injection channel 41 and the outer sleeve 44 are arranged on the injection main body 45, and the flow increasing channel 42 is arranged on the flow increasing main body 46. In this embodiment, the connection structure for connecting the injection main body 45 and the flow increasing main body 46 may specifically adopt a screw connection structure or a snap connection structure in the prior art.

Referring to fig. 2 to 6, in the present embodiment, a drain pipe 34 is further disposed at the bottom of the toilet bowl 31, an outlet of the flow-increasing device 4 (i.e., an outlet of the flow-increasing channel 42) is disposed opposite to an inlet of the drain pipe 34, and a cross-sectional area of the outlet of the flow-increasing device 4 is smaller than a cross-sectional area of the inlet of the drain pipe 34, so that water in the flow-increasing channel 42 is jetted against the inlet of the drain pipe 34 to siphon the toilet bowl 3 by using a venturi effect, and thus the siphon strength is increased by two venturi effects.

Referring to fig. 1 to 6, in the present embodiment, the toilet 3 is provided with a cleaning pipeline 5 for flushing a cleaning surface (not shown) of the toilet bowl 31, and further includes a switching valve 6 for switching water supply to the cleaning pipeline 5 and the flow increasing device 4, and an outlet of the water pump 2 is switched to communicate an inlet of the flow increasing device 4 and the cleaning pipeline 5 through the switching valve 6; after the water pump 2 is started and the switching valve 6 is controlled to be switched to supply water to the washing pipeline 5 for a preset time, the switching valve 6 is controlled to be switched to supply water to the flow increasing device 4; before the water level of the water storage chamber 33 is lowered to the point that the water storage chamber 33 can communicate with the external atmosphere through the injection hole 3311, the water pump 2 stops supplying water to the flow increasing device 4; after the water pump 2 stops supplying water to the flow increasing device 4 (i.e. after the toilet flushing system is flushed), the switching valve 6 switches to supply water to the cleaning pipeline 5 to replenish the water seal 32 at the bottom of the toilet bowl 31, and the water flowing to the water seal 32 at the bottom of the toilet bowl 31 fills the water storage cavity 33.

Specifically, in the present embodiment, the washing machine further includes a control unit (not shown in the figure), the control unit is electrically connected to the water pump 2 and the switching valve 6, the control unit controls the opening/closing of the water pump 2, and controls the switching valve 6 to switch the water supply to the washing pipeline 5 and the flow increasing device 4; an outlet of the water pump 2 is communicated with an inlet of a switching valve 6 through a pipeline, the switching valve 6 is provided with two outlets, one outlet of the switching valve 6 is communicated with an inlet of a washing pipeline 5, the other outlet of the switching valve 6 is communicated with an inlet of a flow increasing device 4 (namely an inlet of a spray channel 41) through a main flushing pipeline 7, and an outlet of the washing pipeline 5 is provided with a washing spray head assembly 8.

Referring to fig. 1 and 2, in the present embodiment, a water tank 1 is disposed at the rear of a toilet bowl 3, a water pump 2 is disposed outside the water tank 1, and an inlet of the water pump 2 is communicated with an outlet of the water tank 1 through a pipeline; the flow increasing device 4 is hermetically arranged in the mounting hole 3321 in a penetrating way. Of course, in other embodiments, the water pump may be disposed within the water tank, with the inlet of the water pump communicating directly with the interior of the water tank.

The working principle of the embodiment is briefly described as follows:

under normal conditions, as shown in fig. 3, the water level of the water storage cavity 33 is flush with the water level of the water seal 32 at the bottom of the bedpan 31, the water pump 2 is not started, and water is stored in both the water tank 1 and the water storage cavity 33;

during flushing, the control unit controls the water pump 2 to be started, and controls the switching valve 6 to supply water to the cleaning pipeline 5 to clean the cleaning surface of the bedpan 31; after the switching valve 6 supplies water to the cleaning pipeline 5 for a preset time, the control unit controls the switching valve 6 to switch to supply water to the flow increasing device 4, so as to control the pressure water source to supply pressure water to the flow increasing device 4, as shown in fig. 5 (the arrow in the figure indicates the water flow direction), the pressure water flow supplied by the water pump 2 to the flow increasing device 4 is sprayed from the spraying channel 41 to the flow increasing channel 42, negative pressure is generated at the flow increasing gap 43, so that the water in the water storage cavity 33 is sucked into the flow increasing gap 43 through the flow increasing hole 441, the water sucked into the flow increasing gap 43 and sprayed from the spraying channel 41 are sprayed through the flow increasing channel 42, so as to increase the flushing force of the water sprayed from the flow increasing channel 42, the flow increasing channel 42 is sprayed towards the inlet of the sewage discharge pipe 34, negative pressure is generated at the inlet of the sewage discharge pipe 34, the water in the bottom water seal 32 of the bedpan 31 is sucked into the inlet of the sewage discharge pipe 34, and the water sucked into the inlet of the sewage discharge pipe 34 and sprayed from the flow increasing channel 42 in the sewage seal 32 are discharged from the sewage discharge pipe 34 together, as the further flow increasing and amplifying enables the inside of the sewage discharge pipe 34 to quickly reach a pipe-like full state required by siphon, the sewage discharge pipe 34 quickly generates siphon, and as shown in figure 6, under the action of the thrust of the flow increasing device 4 and the siphon suction force of the sewage discharge pipe 34, the sewage is quickly discharged out of the closestool 3; before the water level of the water storage cavity 33 drops to the top wall of the outlet end of the flow increasing channel 42, the water pump 2 stops supplying water to the flow increasing device 4, the control unit controls the switching valve 6 to switch to supply water to the cleaning pipeline 5 again to replenish the water seal 32 at the bottom of the bedpan 31, the water flowing to the water seal 32 at the bottom of the bedpan 31 fills the water storage cavity 33 and replenishes the water tank 1, and then the water pump 2 is closed to return to the normal state.

In other embodiments, the flow increasing device may also be arranged to penetrate through the jet hole and form a gap with the hole wall of the jet hole, the gap is preferably smaller than 2mm, and within the range of the gap, water in the water storage cavity can be better jetted to the water seal at the bottom of the bedpan through the jet hole, the flow increasing device can be better installed and fixed, and meanwhile, dirt in the water seal can be better prevented from entering the water storage cavity from the gap between the hole wall of the jet hole and the flow increasing device; further, in this embodiment, before the water level in the water storage chamber drops to the top wall of the jet hole, the water pump stops supplying water to the flow increasing device, so that the water level in the water storage chamber drops to the position before the water storage chamber can be communicated with the outside atmosphere through the jet hole, the pressure water source is controlled to stop supplying water to the flow increasing device, further, the air in the water storage chamber cannot be directly communicated with the air at the bottom of the bedpan through the flow increasing channel or the gap between the flow increasing device and the jet hole wall, the air in the water storage chamber can be prevented from being sucked into the flow increasing channel or the gap between the flow increasing device and the jet hole wall, further, the air-liquid mixing phenomenon and the dry spraying phenomenon are avoided, and the noise of the water flow sprayed by the flow increasing device through the jet hole is effectively reduced.

EXAMPLE two (not shown)

The present embodiment is substantially the same as the first embodiment, and the difference is only that:

in this embodiment, the flow increasing device is only provided with the jet channel, the cross-sectional area of the outlet of the jet channel (i.e. the outlet of the flow increasing device) is smaller than that of the jet hole, the outlet of the jet channel is arranged at a distance from the inlet of the jet hole (i.e. the outlet of the flow increasing device is arranged at a distance from the inlet of the jet hole), and the outlet of the jet channel jets water flow opposite to the inlet of the jet hole, by adopting the structural design, the flow increasing device of the embodiment can utilize the Venturi principle to ensure that the water in the water storage cavity is sucked into the inlet end of the jet hole, the water sucked into the inlet end of the jet hole in the water storage cavity and the water sprayed by the jet channel are sprayed to the water seal at the bottom of the bedpan through the jet hole, so that the water in the water storage cavity is taken out of the jet hole, therefore, water in the water storage cavity can stably flow to the water seal at the bottom of the toilet bowl as soon as possible to replenish water to the water seal, and the flushing performance of the toilet bowl is improved; in this embodiment, before the water level in water storage chamber descends to the roof of jet orifice, the water pump stops to increase the water supply of class device, thereby realize that the water level in water storage chamber descends to the water storage chamber can through the jet orifice before with external atmosphere intercommunication control pressure water source stop to increase the class device water supply, and then make the air of water storage intracavity can't pass through the direct air intercommunication with the bedpan bottom of jet orifice, can avoid the air of water storage intracavity to be inhaled in the jet orifice, and then avoid gas-liquid mixture phenomenon and spout the phenomenon futilely, thereby effectively reduce the noise through jet orifice spun rivers.

In the embodiment, the jet hole is arranged opposite to the inlet of the sewage discharge pipe, and the cross sectional area of the jet hole is smaller than that of the inlet of the sewage discharge pipe; the flow increasing device is only arranged in the mounting hole in a sealing and penetrating mode.

In the embodiment, when the washing machine is used for washing, the control unit controls the water pump to be started and controls the switching valve to supply water to the washing pipeline; after the switching valve supplies water to the cleaning pipeline for a preset time, the control unit controls the switching valve to switch to supply water to the flow increasing device, pressure water flow supplied to the flow increasing device by the water pump is sprayed to the spraying hole from the spraying channel, negative pressure is generated at the inlet of the spraying hole, water in the water storage cavity sucked into the inlet end of the spraying hole is further sucked into the inlet end of the spraying hole, the water in the water storage cavity sucked into the inlet end of the spraying hole and the water sprayed out of the spraying channel are sprayed to the water seal at the bottom of the bedpan through the spraying hole, so that the scouring strength of the water sprayed out of the spraying hole is increased, the spraying hole is sprayed towards the inlet of the sewage discharge pipe, the negative pressure is generated at the inlet of the sewage discharge pipe, the water in the water seal at the bottom of the bedpan is sucked into the inlet of the sewage discharge pipe, the water sucked into the inlet of the sewage discharge pipe in the water seal and the water sprayed out of the spraying hole are discharged from the sewage discharge pipe together, and the pipe is quickly in a pipe-like pipe state required by siphon due to further flow increasing and amplifying, the sewage discharge pipe can quickly generate siphon; before the water level of the water storage cavity is lowered to the top wall of the jet hole, the water pump stops supplying water to the flow increasing device, the control unit controls the switching valve to switch to supply water to the cleaning pipeline again to replenish water to the water seal at the bottom of the bedpan, the water flowing to the water seal at the bottom of the bedpan fills the water storage cavity and replenishes water to the water tank, and then the water pump is closed to return to the normal state.

In this embodiment, the structures and principles of the remaining portions not described are consistent with the embodiment, and are not described herein again.

Compared with the prior art, the water sprayed out from the outlet of the flow increasing device is sprayed to the water seal through the spray holes, and the flow increasing device is configured to utilize the venturi principle to lead the water in the water storage cavity out of the spray holes, so that the water in the water storage cavity can stably flow to the water seal at the bottom of the bedpan as soon as possible to replenish the water seal, and the flushing performance of the closestool can be improved; and, the utility model discloses utilize the water pump to take out the water in the water tank and supply to increasing the class device, because the rivers that the water pump was taken out in following the water tank are comparatively stable and easy control for the increase class effect of increasing the class device is also more stable, increase class time is controllable, and then makes the scouring effect of closestool stable, the scouring dynamics is secure, can further improve the scouring performance of closestool, makes the siphon that the blowdown pipe of bedpan bottom formed more stable, the siphon effect is better.

The above embodiments are only used to further illustrate the toilet flushing system of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification of the above embodiments by the technical entity of the present invention all fall into the protection scope of the technical solution of the present invention.

Claims

1. A toilet flushing system, comprising:

the water tank is used for storing water;

the inlet of the water pump is communicated with the water tank;

the toilet bowl is provided with a toilet bowl body, water seal water for forming water seal is arranged at the bottom of the toilet bowl body, a water storage cavity is arranged at the bottom of the toilet bowl body, the water storage cavity is provided with a front cavity wall and a rear cavity wall which are oppositely arranged, an injection hole is formed in the front cavity wall, a mounting hole is formed in the rear cavity wall, and the water storage cavity is communicated with the water seal through the injection hole;

the flow increasing device is arranged in the mounting hole, an inlet of the flow increasing device is communicated with an outlet of the water pump, the water pump is used for pumping water in the water tank and supplying the water to the flow increasing device, water sprayed out of an outlet of the flow increasing device is sprayed to the water seal through the spraying hole, and the flow increasing device is configured to utilize the Venturi principle to enable the water in the water storage cavity to be led out of the spraying hole.

2. The toilet flushing system according to claim 1, wherein the water pump stops supplying water to the flow increasing device before the water level of the water storage chamber drops to a level where the water storage chamber can communicate with the outside atmosphere through the injection holes; after the flushing of the toilet flushing system is finished, the water flowing to the water seal at the bottom of the toilet bowl fills the water storage cavity.

3. The toilet flushing system according to claim 1 or 2, wherein the flow increasing device is provided with a jet channel and a flow increasing channel, the cross-sectional area of the inlet end of the flow increasing channel is larger than that of the outlet end of the jet channel, the inlet end of the jet channel is communicated with the outlet of the water pump, water at the outlet end of the jet channel is sprayed to the inlet end of the flow increasing channel, a flow increasing gap communicated with the water storage cavity is formed between the outlet end of the jet channel and the inlet end of the flow increasing channel, and the water sprayed by the flow increasing channel is sprayed to the water seal through the jet holes.

4. The toilet flushing system of claim 3, wherein the flow-increasing device is further sealingly disposed through the jet hole, and the water pump stops supplying water to the flow-increasing device before the water level of the water storage chamber drops to the top wall of the outlet end of the flow-increasing channel; or the flow increasing device is also arranged in the jet hole in a penetrating way and has a gap with the hole wall of the jet hole, and the water pump stops supplying water to the flow increasing device before the water level of the water storage cavity is reduced to the top wall of the jet hole.

5. The toilet flushing system according to claim 3, wherein the flow increasing device comprises an outer sleeve for connecting the jet channel and the flow increasing channel, the outlet end of the jet channel and the inlet end of the flow increasing channel are positioned in the outer sleeve, a flow increasing hole is formed in the side wall of the outer sleeve in a penetrating manner, and the flow increasing gap is communicated with the water storage cavity through the flow increasing hole.

6. The toilet flushing system of claim 5, wherein the flow-increasing device includes a jet body and a flow-increasing body connected together by a connecting structure, the jet channel and the outer sleeve are both disposed on the jet body, and the flow-increasing channel is disposed on the flow-increasing body.

7. A toilet flushing system as claimed in claim 3, wherein the base of the bowl is further provided with a drain pipe, the outlet of the flow increasing device being disposed opposite the inlet of the drain pipe, the cross-sectional area of the outlet of the flow increasing device being less than the cross-sectional area of the inlet of the drain pipe.

8. The toilet flushing system according to claim 1 or 2, wherein the flow increasing device is provided with a jet channel, the cross-sectional area of an outlet of the jet channel is smaller than that of the jet hole, the outlet of the jet channel is spaced from the inlet of the jet hole, and the outlet of the jet channel jets water flow opposite to the inlet of the jet hole; before the water level of the water storage cavity is lowered to the top wall of the jet hole, the water pump stops supplying water to the flow increasing device.

9. A toilet flushing system as claimed in claim 8, wherein a waste pipe is provided at the bottom of the bowl, the jet holes being located opposite the inlet of the waste pipe, the cross-sectional area of the jet holes being smaller than the cross-sectional area of the inlet of the waste pipe.

10. The toilet flushing system according to claim 1, wherein the toilet is provided with a washing line for flushing a washing surface of the toilet bowl, further comprising a switching valve for switching water supply to the washing line and the flow increasing device, and an outlet of the water pump is switched to communicate an inlet of the flow increasing device and the washing line through the switching valve; and after the water pump is started and the switching valve is controlled to be switched to supply water to the cleaning pipeline for a preset time, the switching valve is controlled to be switched to supply water to the flow increasing device.

11. The toilet flushing system according to claim 10, wherein the switching valve is switched to supply water to the washing line to replenish the water seal after the water pump stops supplying water to the flow increasing device.

12. The toilet flushing system of claim 1, wherein the tank is located at a rear portion of the toilet, and the pump is located inside or outside the tank; the flow increasing device is arranged in the mounting hole in a penetrating mode in a sealing mode.

13. The toilet flushing system according to claim 1, wherein the water storage chamber is provided with a vent, and the water storage chamber is communicated with the outside atmosphere through the vent.