Anti-siphon double-pump closestool flushing device

The anti-siphon component of the dual-pump toilet flushing device uses water pressure to control the movement of the sealing unit to form an independent channel, which solves the siphon problem when the water pump switches, achieving the effects of water saving and pollution prevention. The structure is simple and has high space utilization efficiency.

CN223805644UActive Publication Date: 2026-01-16XIAMEN JIAPULE ELECTRONICS TECH
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Patent Information

Application Number
CN202520415854.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-16
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing toilets are prone to creating negative pressure when the water pump switches modes, leading to water waste and sewage backflow, which contaminates the water tank and the household water pipe network.

Method used

The toilet uses a dual-pump flushing device, which consists of a four-way valve body, a fixed base, an air isolation valve, and an end cap to form an anti-siphon assembly. The water pressure controls the movement of the sealing unit to form independent upper and lower flushing channels, thus preventing siphoning.

Benefits of technology

It features independent upper and lower flushing channels, avoiding water waste and sewage backflow, keeping the water tank clean, saving space, and having a simple structure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223805644U_ABST
Patent Text Reader

Abstract

The utility model relates to an anti-siphon double-pump closestool flushing device which is characterized in that the anti-siphon double-pump closestool flushing device comprises a closestool body, a water tank and a flushing device, and the flushing device comprises an upper flushing nozzle, a lower flushing nozzle, a first water pump, a second water pump, a first connecting pipe, a second connecting pipe, a third connecting pipe and an anti-siphon assembly. The anti-siphon assembly comprises a first water inlet, a second water inlet, a first water outlet and a second water outlet, the first water inlet is connected with the first water pump through a first connecting pipe, the second water inlet is connected with the second water pump through a second connecting pipe, the first water outlet is communicated with the upper flushing nozzle, and the second water outlet is communicated with the lower flushing nozzle. And the second water outlet is communicated to the lower flushing nozzle through a third connecting pipe. The utility model has the advantages of simple structure, strong versatility, space saving and the like.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bathroom, especially a kind of double pump toilet flushing device of anti-siphon. BACKGROUND

[0002] Submersible pump for pumping is usually arranged in the water storage tank of toilet, water is pumped to the nozzle of toilet flushing assembly through hose connection to clean the inner wall of toilet, when water pump is switched from pumping state to closed state, negative pressure is easily formed in waterway, which causes nozzle to water for a long time, resulting in waste of water resources, or causing sewage in toilet pool to be siphoned along main flushing water outlet and brush ring water outlet, polluting water tank, and further polluting water source device such as domestic water pipe network supplied with water from water tank.

[0003] In view of the above problems, the present application provides a simple and easy structure scheme. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of double pump toilet flushing device of anti-siphon, it has the advantages such as simple structure, strong universality and save space.

[0005] In order to solve the above problems, the present application provides the following solutions.

[0006] A kind of double pump toilet flushing device of anti-siphon, including toilet main body, water tank and flushing device, wherein, the flushing device includes upper flushing nozzle, lower flushing nozzle, first water pump, second water pump, first connecting pipe, second connecting pipe, third connecting pipe and anti-siphon component, the anti-siphon component includes first water inlet, second water inlet and first water outlet and second water outlet, the first water inlet is connected by first connecting pipe the first water pump, the second water inlet is connected by second connecting pipe the second water pump, the first water outlet is communicated the upper flushing nozzle, the second water outlet is communicated to lower flushing nozzle by third connecting pipe.

[0007] Preferably, the anti-siphon component includes a four-way valve body, two fixed seats, an air isolation valve and an end cover;The four-way valve body includes the first water inlet, the second water inlet and the first water outlet and the second water outlet, two fixed seats are used to communicate the first water inlet and the first water outlet respectively, form upper flushing water channel, communicate the second water inlet and the second water outlet, form lower flushing water channel;End cover is arranged outside two fixed seats, for limiting two fixed seats on four-way valve body.

[0008] Preferably, an air inlet is further arranged on the end cover.

[0009] Preferably, the air isolation valve includes an air inlet hole and a sealing unit, the air inlet hole is arranged at the top of the fixed seat, and the sealing unit is movably arranged at the air inlet hole.

[0010] The intelligent closestool has the following beneficial effects:

[0011] Firstly, when the first water pump works, the external water enters the four-way valve body through the first connecting pipe, and under the action of water pressure, the sealing unit between the first water inlet and the first water outlet moves upward to form a sealed cavity with the fixed seat, realizing the upflush flushing function. Similarly, when the second water pump works, the water in the water tank enters the four-way valve body through the second connecting pipe, and under the action of water pressure, the sealing unit between the second water inlet and the second water outlet moves upward to form a sealed cavity with the fixed seat, realizing the downflush flushing function. The upflush flushing channel and the downflush flushing channel form independent channels respectively, are controlled respectively, and do not affect each other. When it is necessary to stop flushing, the first water pump stops working, the sealing unit of the upflush flushing channel moves downward under the action of gravity, a gap is formed between the sealing unit and the fixed seat, the originally sealed cavity is connected with the atmosphere, and the function of destroying vacuum is realized. Similarly, the second water pump stops working, the sealing unit of the downflush flushing channel moves downward under the action of gravity, a gap is formed between the sealing unit and the anti-siphon fixed seat, the originally sealed cavity is connected with the atmosphere, and the function of destroying vacuum is realized.

[0012] The closestool flushing device has the advantages of simple structure, strong universality and small space occupation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the flushing device of the utility model.

[0014] Figure 2 It is a perspective view of the internal structure of the closestool body of the utility model.

[0015] Figure 3 It is a sectional view of the flushing device of the utility model.

[0016] Figure 4 It is a sectional view of the flushing device of the utility model in the flushing state.

[0017] Figure 5 It is a sectional view of the flushing device of the utility model in the water closing state. DETAILED DESCRIPTION

[0018] The technical scheme and beneficial effects of the utility model will be described in detail below with reference to the drawings.

[0019] As shown in Figures 1 to 5 A double-pump closestool flushing device preventing siphonage comprises a closestool body 1, a water tank 2 and a flushing device 3.

[0020] The flushing device 3 comprises an upper flushing nozzle 31, a lower flushing nozzle 32, a first water pump 33, a second water pump 34, a first connecting pipe 35, a second connecting pipe 36, a third connecting pipe 37 and an anti-siphon assembly 38.

[0021] The anti-siphon assembly 38 comprises a four-way valve body 381, two fixed seats 382, air isolation valves 383 and an end cover 384. The four-way valve body 381 comprises a first water inlet 3811, a second water inlet 3812, a first water outlet 3813 and a second water outlet 3814. The two fixed seats 382 are respectively used to communicate the first water inlet 3811 with the first water outlet 3813 to form an upper flushing water channel, and to communicate the second water inlet 3812 with the second water outlet 3814 to form a lower flushing water channel. The first water inlet 3811 is connected to the first water pump 33 through the first connecting pipe 35, and the other end of the first water pump 33 is communicated with the water tank 2. The second water inlet 3812 is connected to the second water pump 34 through the second connecting pipe 36, and the other end of the second water pump 34 is communicated with the water tank 2. The first water outlet 3813 is communicated with the upper flushing nozzle 31, and the second water outlet 3814 is communicated to the lower flushing nozzle 32 through the third connecting pipe 37. On the two fixed seats 382, an air isolation valve 383 is arranged between the first water inlet 3811 and the first water outlet 3813, and between the second water inlet 3812 and the second water outlet 3814. The air isolation valve 383 comprises an air inlet hole 3831 and a sealing unit 3832. The air inlet hole 3831 is arranged on the fixed seat 382, and the sealing unit 3832 is movably arranged at the air inlet hole 3831. The end cover 384 is buckled on the four-way valve body 381 and arranged outside the two fixed seats 382, used to limit the two fixed seats 382 on the four-way valve body 381, and an air inlet 3840 is further arranged on the end cover 384.

[0022] The working process of the toilet flushing device with the above structure is as follows:

[0023] First, when the first water pump 33 works, the external water enters the four-way valve body 381 through the first connecting pipe 35, and under the action of water pressure, the sealing unit 3832 of the upper flushing channel is moved upward, and a sealed cavity A is formed between the sealing unit 3832 and the fixed seat 382, thereby realizing the upper flushing function. Similarly, when the second water pump 34 works, the water in the water tank enters the four-way valve body 381 through the second connecting pipe 36, and under the action of water pressure, the sealing unit 3832 of the lower flushing channel is moved upward, and a sealed cavity B is formed between the sealing unit 3832 and the fixed seat 382, thereby realizing the lower flushing function. The upper flushing channel and the lower flushing channel form independent channels and do not affect each other. When it is necessary to stop flushing, the first water pump 33 stops working, and under the action of gravity, the sealing unit 3832 of the upper flushing channel is moved downward, a gap is formed between the sealing unit 3832 and the fixed seat 382, the originally sealed cavity A is connected with the atmosphere, and the function of destroying the vacuum is realized. Similarly, when the second water pump 34 stops working, the sealing unit of the lower flushing channel is moved downward under the action of gravity, a gap is formed between the sealing unit 3832 and the fixed seat 382, the originally sealed cavity B is connected with the atmosphere, and the function of destroying the vacuum is realized.

[0024] The above embodiments only illustrate the technical idea of the present application, and cannot limit the protection scope of the present application. Any improvement and equivalent replacement made on the basis of the technical scheme according to the technical idea of the present application all fall within the protection scope of the present application.

Claims

1. A siphon-preventing dual-pump toilet-flushing apparatus, characterized by, The toilet comprises a toilet body, a water tank and a flushing device, wherein the flushing device comprises an upper flushing nozzle, a lower flushing nozzle, a first water pump, a second water pump, a first connecting pipe, a second connecting pipe, a third connecting pipe and an anti-siphon assembly, the anti-siphon assembly comprises a first water inlet, a second water inlet, a first water outlet and a second water outlet, the first water inlet is connected to the first water pump through the first connecting pipe, the second water inlet is connected to the second water pump through the second connecting pipe, the first water outlet is communicated with the upper flushing nozzle, and the second water outlet is communicated with the lower flushing nozzle through the third connecting pipe.

2. A siphoning resistant dual pump toilet flushing apparatus as defined in claim 1, wherein, The anti-siphon assembly comprises a four-way valve body, two fixed seats, an air isolation valve and an end cover, the four-way valve body comprises the first water inlet, the second water inlet, the first water outlet and the second water outlet, the two fixed seats are respectively used for connecting the first water inlet and the first water outlet to form an upper flushing water channel and connecting the second water inlet and the second water outlet to form a lower flushing water channel, and the end cover is arranged outside the two fixed seats and is used for limiting the two fixed seats on the four-way valve body.

3. A siphoning resistant dual pump toilet flushing apparatus as defined in claim 2 wherein, An air inlet is further arranged on the end cover.

4. A siphoning resistant dual pump toilet flushing apparatus as defined in claim 2 wherein, The air isolation valve comprises an air inlet hole and a sealing unit, the air inlet hole is arranged at the top of the fixed seat, and the sealing unit is movably arranged at the air inlet hole.