Closestool flushing device

Abstract

The utility model discloses a closestool flushing device which comprises an upper valve, a lower valve, an upper flushing opening in butt joint with the upper valve, a lower flushing opening in butt joint with the lower valve, a valve shell and a water supply pipe. The upper valve, the lower valve and the water supply pipe are respectively arranged on the valve shell; the upper valve and the upper punching opening form an upper punching channel through the valve shell. The lower valve and the lower punching opening form a lower punching channel through the valve shell. A proper amount of water is firstly drained from the upper flushing channel, filth on the wall of the closestool can be flushed, then the upper valve is closed through the switching channel, then residual flowing water is drained through the lower flushing channel, the filth in the closestool is flushed in, the upper flushing channel and the lower flushing channel are automatically switched through the water level, and the closestool is practical and convenient to use. And the cleanliness after washing is ensured.

Description

Technical Field

[0001] The utility model relates to a toilet flushing device, belonging to the field of toilets. Background Art

[0002] With the development of science and technology, smart toilets are now a very common smart home appliance. Existing toilets are usually equipped with corresponding sensor modules to achieve automatic flushing after using the toilet.

[0003] In the prior art, two flushing ports are usually provided to clean the toilet bowl at the same time, but this flushing method is difficult to control the drainage volume of the upper flushing port, causing the upper flushing port to over-drain water, resulting in excessive flushing, which in turn limits the drainage volume of the lower flushing port. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a toilet flushing device to solve the problem.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a toilet flushing device, including an upper valve, a lower valve, an upper flushing port connected to the upper valve, a lower flushing port connected to the lower valve, a valve housing, and a water supply pipe; the upper valve, the lower valve, and the water supply pipe are respectively installed on the valve housing; the upper valve and the upper flushing port form an upper flushing channel relying on the valve housing; the lower valve and the lower flushing port form a lower flushing channel relying on the valve housing; a switching channel is shunted on the lower flushing channel; the switching channel is connected to the upper valve to close the upper valve.

[0006] Preferably, a float is provided at the bottom of the valve housing, and the float is connected to the lower valve via a connecting piece, so that the lower valve is opened when the float moves downward; and the downward flushing channel is opened and closed by the lower valve.

[0007] Preferably, the upper valve and the lower valve include but are not limited to diaphragm valves.

[0008] Preferably, the water supply pipe is connected to the valve housing to form a bidirectional water supply channel; one end of the water supply channel is connected to the upper flushing channel, and the other end is connected to the lower flushing channel.

[0009] Preferably, the upper flushing channel is opened and closed by an upper valve.

[0010] Preferably, the upper valve is provided with a pressure relief hole; the pressure relief hole connects the upper valve to the atmosphere, and the flowing water in the switching channel is injected into the upper valve, causing the upper valve to be pressurized and closed.

[0011] Preferably, a water supply pipe is provided on the upper flushing port; and the lower flushing port is connected to the upper flushing channel.

[0012] Beneficial Effects

[0013] The utility model can firstly flush the dirt on the toilet wall by discharging an appropriate amount of water in the upper flush channel, and then close the upper valve by switching the channel, so that the remaining water is discharged through the lower flush channel to flush the dirt in the toilet. The upper flush channel and the lower flush channel are automatically switched by the water level, which is practical and convenient, and ensures the cleanliness after flushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 This is a structural schematic diagram of a toilet flushing device of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of a toilet flushing device of the utility model;

[0017] Figure 3 It is a schematic diagram of the inner structure of the utility model.

[0018] In the figure: valve housing-1, upper valve-2, lower valve-3, water supply pipe-4, lower flushing port-5, upper flushing port-6, water supply pipe-7, water supply channel-A, upper flushing channel-B, lower flushing channel-C, switching channel-D, pressure relief hole-21, connecting piece-31, float-32, water pump-41. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] See also Figure 1-Figure 3 The utility model provides a technical solution for a toilet flushing device: comprising an upper valve 2, a lower valve 3, an upper flushing port 6 connected to the upper valve 2, a lower flushing port 5 connected to the lower valve 3, a valve housing 1, and a water supply pipe 4; the upper valve 2, the lower valve 3, and the water supply pipe 4 are respectively installed on the valve housing 1; the upper valve 2 and the upper flushing port 6 form an upper flushing channel B relying on the valve housing 1; the lower valve 3 and the lower flushing port 5 form a lower flushing channel C relying on the valve housing 1.

[0021] The toilet is supplied with water through a water supply pipe 4. In one embodiment, the water supply pipe 4 is connected to a water pump 41. The water pump 41 is controlled by a controller (not shown in the figure). The water pump 41 is powered on to supply water, and the water supply is stopped when the power is off. This method belongs to conventional circuit control, so it will not be described in detail in the specification.

[0022] The upper valve 2 is provided with a pressure relief hole 21, and the height of the pressure relief hole 21 is greater than the height of the water in the water tank. The upper valve 2 is connected to the outside atmosphere through the pressure relief hole 21, so that the pressure inside the upper valve 2 is in a normal pressure state, resulting in the upper valve 2 being in a normally open state. Therefore, when the water supply pipe 4 supplies water, the water flow can directly pass through the upper valve 2 and be discharged from the upper flushing channel B.

[0023] A float 32 is provided at the bottom of the valve housing 1, and the float 32 is connected to the lower valve 3 through a connecting piece 31. In one embodiment, when the water in the toilet tank (not shown in the drawings) reaches the rated full water level, the float 32 floats up and supports the lower valve 3 through the connecting piece 31, so that the lower valve 3 is in a closed state. The connecting piece 31 is a connecting component in a conventional toilet device, and its purpose is to open the lower valve 3 when the float 32 moves downward. It is an existing component, so it will not be described in detail in the specification.

[0024] Preferably, the upper valve 2 and the lower valve 3 are diaphragm valves.

[0025] In order to enable the water supply pipe 4 to be connected to the upper flushing channel B and the lower flushing channel C at the same time after being connected to the valve housing 1; a water supply channel A is provided at the access end of the water supply pipe 4 and the valve housing 1. The water supply channel A is a two-way channel, so that one end of the water supply channel A is connected to the upper flushing channel B, and the other end is connected to the lower flushing channel C. In this way, when water enters, the water flows from the water supply channel A into the normally open upper valve 2, so that the water flows first to the upper flushing port 6 for discharge.

[0026] The down-flushing channel C is divided into a switching channel D; the switching channel D is connected to the upper valve 2, so that the upper valve 2 is closed. The pressure relief hole 21 is placed in the switching channel D, so that the water in the switching channel D covers the pressure relief hole 21, causing the upper valve 2 to be pressurized and closed. Specifically, when part of the water flow is discharged from the up-flushing channel B, the water level in the toilet water tank drops, and then the float 32 moves down, and the lower valve 3 is opened through the connector 31, causing the water in the water supply channel A to pass through the down-flushing channel C and be discharged from the down-flushing port 5. A part of the water in the down-flushing channel C flows into the switching channel D, so that the water in the switching channel D is injected into the upper valve. When the water flowing into the upper valve 2 from the switching channel D is greater than the amount of water flowing out of the pressure relief hole 21 (the water flow area of ​​the switching channel D is larger than the pressure relief hole 21), the upper valve 2 is pressurized, causing the upper valve 2 to be pressurized and closed, and then when the down-flushing channel C is draining, the up-flushing channel B connected to the water supply channel A is in a closed state.

[0027] Furthermore, when the lower flushing channel C is draining water, the upper flushing channel B is in a closed state; and in order to enable the upper flushing channel B to assist the lower flushing channel C in draining water, a water replenishment pipe 7 is provided on the upper flushing port 6, and the lower flushing port 5 is connected to the upper flushing channel B, and a corresponding water pump (not shown in the figure) is provided on the water replenishment pipe 7, so that the water in the water replenishment pipe 7 does not need to be replenished through the upper valve 2, but is directly discharged from the upper flushing port 6.

[0028] Working principle: By turning on the water pump 41, the water in the toilet water tank is drawn into the water supply pipe 4 to the water supply channel A; the water in the water supply channel A enters the upper flushing channel B from the normally open upper valve 2, and the water is discharged from the upper flushing port 6. When the water level drops, the float 32 moves downward, thereby opening the lower valve 3; the water in the water supply channel A enters the lower flushing channel C from the lower valve 3, so that the water flow is discharged from the lower flushing port 5. During this period, part of the water in the lower flushing channel C enters the switching channel D, thereby blocking the pressure relief hole 21, so that the upper valve 2 can be closed, so that most of the water flow is discharged from the lower flushing port 5. At the same time, the water pump connected to the water supply pipe 7 is controlled by the controller to replenish water to the upper flushing port 6.

[0029] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A toilet flushing device, characterized in that: It includes an upper valve, a lower valve, an upper punch port connected to the upper valve, a lower punch port connected to the lower valve, a valve housing, and a water supply pipe; the upper valve, the lower valve, and the water supply pipe are respectively installed on the valve housing; the upper valve and the upper punch port form an upper punch channel relying on the valve housing; the lower valve and the lower punch port form a lower punch channel relying on the valve housing; A switching channel is branched on the down-rush channel; the switching channel is connected to the upper valve to close the upper valve.

2. A toilet flushing device according to claim 1, characterized in that: A float is provided at the bottom of the valve housing, and the float is connected to the lower valve through a connecting piece, so that the lower valve is opened when the float moves downward; the downward flushing channel is opened and closed by the lower valve.

3. A toilet flushing device according to claim 1, characterized in that: The upper valve and the lower valve include but are not limited to diaphragm valves.

4. A toilet flushing device according to claim 1, characterized in that: The water supply pipe is connected to the valve housing to form a bidirectional water supply channel; one end of the water supply channel is connected to the upper flushing channel, and the other end is connected to the lower flushing channel.

5. A toilet flushing device according to claim 1, characterized in that: The upper flushing channel is opened and closed by an upper valve.

6. A toilet flushing device according to claim 3, characterized in that: The upper valve is provided with a pressure relief hole; the pressure relief hole connects the upper valve to the atmosphere, and the flowing water in the switching channel is injected into the upper valve, causing the upper valve to be pressurized and closed.

7. A toilet flushing device according to claim 1, characterized in that: The upper flushing port is provided with a water supply pipe; the lower flushing port is connected to the upper flushing channel.

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