Pressure type flushing system and pedestal pan

Abstract

The invention discloses a pressure type flushing system and a pedestal pan, which realize the drainage functions of half drainage and full drainage, and comprises two water storage cavities which are not communicated with each other, two groups of drainage structures, a one-way communication device and two control devices, the interior of a containing cavity of the drainage structure is divided into a back pressure cavity and a drainage cavity through a membrane, the drainage cavity is provided with a water inlet and a water outlet, and the membrane is provided with a water supplementing hole used for communicating the back pressure cavity with the drainage cavity. The diaphragm opens or closes the communication part of the water inlet and the water outlet along with the pressure change of the backpressure cavity; the water outlet ends of the two water storage cavities are respectively communicated with the water inlets of the two groups of drainage structures; the one-way communication device comprises a device shell and a one-way valve element arranged in the device shell. The two ends of the device shell communicate with the back pressure cavities of the two drainage structures correspondingly. The two control devices are respectively communicated with the back pressure cavities of the two groups of drainage structures; and when the control device is started, the backpressure cavity of the corresponding drainage structure drains water through the drain opening of the backpressure cavity.

Description

Technical Field

[0001] The invention relates to the technical field of pressure-type flushing systems, in particular to a pressure-type flushing system and a toilet. Background Art

[0002] A pressure flushing system is a device that uses pressure to quickly drain water to flush the toilet. It usually includes a pressure bag (or pressure water tank) for storing water. It generates a strong flushing force when compressed gas is released to achieve efficient flushing. It is particularly suitable for areas with large fluctuations in tap water pressure or more periods of low water pressure, thereby ensuring good flushing effects even under low water pressure conditions.

[0003] The drainage volume of the pressure flushing system is limited by many factors such as the size of the pressure bag, the air and water replenishment rate, the drainage rate, the opening time of the drainage structure, etc., and because the drainage structure adopts the working principle of the pilot valve (refer to CN216920583U), its opening time during drainage depends on the cross-sectional area of ​​the water replenishment hole of the drainage structure, which is fixed. Therefore, it is difficult for a single pressure bag to achieve at least two different drainage volumes, such as half drainage (50% of the total water volume of the system) and full drainage (100% of the total water volume of the system). However, if two or more pressure bags are used for design, it is necessary to consider that only the drainage structure of one pressure bag can be opened for drainage during half drainage, and the drainage structures of two pressure bags need to be opened for drainage at the same time during full drainage. The opening valve of the existing pressure flushing system (refer to CN210562475U) is difficult to control the drainage structures of the two pressure bags at the same time, which not only requires the opening valve to be improved, but also makes the pipeline connection of the entire pressure flushing system complicated, and the entire system becomes bloated and difficult to install in the toilet. Summary of the invention

[0004] The purpose of the present invention is to provide a pressure flushing system and a toilet to solve the problems existing in the prior art. The pressure flushing system can be improved by using existing accessories to achieve half-flush and full-flush drainage functions. The structure is relatively simple and easy to install.

[0005] In order to achieve the above object, one of the solutions of the present invention is: A pressure flushing system comprises two unconnected water storage chambers, two groups of drainage structures, a one-way connecting device and two control devices; a back pressure chamber and a drainage chamber are separated in the chamber of the drainage structure by a diaphragm, the drainage chamber is provided with a water inlet and a water outlet, and the diaphragm is provided with a water replenishing hole for connecting the back pressure chamber with the drainage chamber; the diaphragm opens or closes the connection between the water inlet and the water outlet as the pressure in the back pressure chamber changes; the water outlet ends of the two water storage chambers are respectively connected to the water inlets of the two groups of drainage structures; the one-way connecting device comprises a device shell, and a one-way valve core arranged in the device shell; the two ends of the device shell are respectively connected to the back pressure chambers of the two groups of drainage structures; the two control devices are respectively connected to the back pressure chambers of the two groups of drainage structures; when the control device is turned on, the back pressure chamber of the corresponding drainage structure starts to drain water to open the diaphragm.

[0006] The device shell includes a first pipe fitting and a second pipe fitting, the first pipe fitting is sealingly inserted into the adjacent end of the second pipe fitting, and the opposite ends of the two pipe fittings are respectively connected to the back pressure chambers of two groups of drainage structures; the one-way valve core includes a piston arranged between the adjacent ends of the first pipe fitting and the second pipe fitting, and a check spring for driving the piston to move and seal the end of the first pipe fitting.

[0007] The control device includes at least one of a manual opening valve and an electric opening valve.

[0008] A diaphragm spring is arranged in the back pressure cavity; the diaphragm spring is used to realize the resetting of the diaphragm in the direction of closing the connection between the water inlet and the water outlet.

[0009] The back pressure chamber is provided with a connecting port and a drain port; the two ends of the device shell are respectively connected with the connecting ports of the two groups of drainage structures; the two control devices are respectively connected with the drain ports of the two groups of drainage structures; the connecting port and the drain port are arranged on the upper wall of the cavity, the water inlet and the water outlet are arranged on the lower wall of the cavity, and the water inlet end of the water outlet protrudes from the lower wall of the cavity to form a convex ring part, and the diaphragm is movably fitted on the convex ring part to realize opening or closing of the connection between the water inlet and the water outlet.

[0010] The pressure flushing system also includes a pressure bag; two water storage chambers that are not connected to each other are arranged in the pressure bag; the middle part of the bottom surface of the pressure bag is recessed toward its top surface to form an arch bridge structure for making way for the toilet sewage pipe; the two water storage chambers are respectively located on both sides of the two arch bridge structures.

[0011] Preferably, a drain pipe is installed on the surface of the pressure bag; two water inlet pipes and a water outlet pipe connected to the two water inlet pipes are arranged in the drain pipe, the two water inlet pipes are respectively connected to the water outlets of two groups of drainage structures, and the water outlet pipe supplies water to the toilet; the two water inlet pipes are arranged in the same line, the water outlet pipe is perpendicular to the water inlet pipe, and a partition is arranged in the water outlet pipe to prevent the two water inlet pipes from colliding.

[0012] The pressure flushing system further comprises a water outlet box which is in communication with the water outlets of the two drainage structures at the same time; the water outlet box is provided with at least two diversion ports.

[0013] A vertical water pipe is arranged in the water outlet end of the water storage chamber, the upper end of the water pipe is connected to the water inlet, and the lower end of the water pipe extends to the bottom of the water storage chamber; a pressure-stabilizing valve is arranged at the water inlet end of the water storage chamber, and the water inlet ends of the two water storage chambers are simultaneously connected to the same pressure-stabilizing valve.

[0014] The second solution of the present invention is: A toilet comprises the pressure flushing system.

[0015] After adopting the above technical solution, the present invention has the following technical effects: The drainage structure and control device of the present invention can adopt the existing product accessory design. Only a one-way connecting device needs to be added. The two control devices can be used to control the drainage of one water storage chamber and two water storage chambers respectively, thereby realizing the half-drainage and full-drainage functions of the pressure flushing system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a first embodiment of a pressure flushing system of the present invention; Figure 2 It is a structural schematic diagram of a second embodiment of the pressure flushing system of the present invention; Figure 3 A top view of a second embodiment of a pressure flushing system of the present invention; Figure 4 for Figure 2 Sectional view in the AA direction; Figure 5 for Figure 2 Cross-sectional view in the BB direction; Figure 6 A three-dimensional diagram of a toilet according to the present invention; Description of Figure Numbers: 1-one-way connecting device; 11-device housing; 111-first pipe fitting; 112-second pipe fitting; 12-one-way valve core; 121-piston; 122-check spring; 2-control device; 21-button opening valve; 22-kick valve; 23-solenoid valve; 3- cavity; 31- communication port; 32- drain port; 33- water inlet; 34- water outlet; 341- convex ring portion; 4-diaphragm; 41-water filling hole; 5-Diaphragm spring; 6-pressure bag; 61-arch bridge structure; 62-water pipe; 7-drain pipe; 71-water inlet pipe; 72-water outlet pipe; 73-partition; 8-water outlet box; 81-diversion port; 9-pressure regulating valve; a-water storage chamber; b-drainage structure; c-back pressure chamber; d-drainage chamber. DETAILED DESCRIPTION

[0017] In order to further explain the technical solution of the present invention, the present invention is described in detail below through specific embodiments.

[0018] refer to Figure 1-5 As shown, the present invention discloses a pressure flushing system, comprising two water storage chambers a which are not connected to each other, two sets of drainage structures b, a one-way connecting device 1 and two control devices 2; The chamber 3 of the drainage structure b is separated into a back pressure chamber c and a drainage chamber d by a diaphragm 4. The drainage chamber d is provided with a water inlet 33 and a water outlet 34. The diaphragm 4 is provided with a water replenishment hole 41 for connecting the back pressure chamber c and the drainage chamber d. The diaphragm 4 opens or closes the connection between the water inlet 33 and the water outlet 34 as the pressure of the back pressure chamber c changes. The water outlets of the two water storage chambers a are respectively connected to the water inlets 33 of the two sets of drainage structures b; The one-way communication device 1 comprises a device housing 11 and a one-way valve core 12 disposed in the device housing 11; both ends of the device housing 11 are respectively connected to the back pressure chambers c of the two sets of drainage structures b; The two control devices 2 are respectively connected to the back pressure chambers c of the two groups of drainage structures b (that is, the back pressure chambers c of each group of drainage structures b are simultaneously connected to the device housing 11 and the control device 2); when the control device 2 is turned on, the back pressure chambers c of the corresponding drainage structure b begin to drain water to reduce the pressure of the back pressure chambers c to open the diaphragm 4, and finally the water storage chamber a corresponding to the drainage structure b begins to drain water.

[0019] Through the above scheme, the drainage structure b and the control device 2 of the present invention can be designed with existing product accessories. Only one one-way connecting device 1 is added, and the two control devices 2 can respectively control the drainage of one water storage chamber a and two water storage chambers a, thereby realizing the half-drainage and full-drainage functions of the pressure flushing system; the two control devices 2 are respectively used as a half-drainage switch and a full-drainage switch, and the two are respectively connected to the forward end ( Figure 1 Left end), reverse end ( Figure 1 Right end) connection: when the user presses the half-row switch, the back pressure chamber of the left drainage structure b is emptied, resulting in a pressure drop, and the force generated by the pressure difference on both sides of the one-way valve core 12 is the same as the closing direction of the one-way valve core 12. The one-way valve core 12 is still in a closed state, and the right drainage structure b cannot drain water. The pressure-type flushing system has a half-row function, and only the water in one water storage chamber a is discharged, and the amount of water flushed is only half; when the user presses the full-row switch, the back pressure chamber c of the right drainage structure b is emptied, resulting in a pressure drop, and the force generated by the pressure difference on both sides of the one-way valve core 12 is the same as the opening direction of the one-way valve core 12. The one-way valve core 12 is switched to an open state, and the water in the back pressure chamber c of the left drainage structure b flows into the back pressure chamber c of the right drainage structure b through the one-way connecting device 1, resulting in a pressure drop. Finally, both drainage structures b are in a drainage state, and the pressure-type flushing system has a full-row function. The water in the two water storage chambers a is discharged, and the amount of water flushed is all.

[0020] The specific implementation of the above-mentioned pressure flushing system is shown below.

[0021] In some embodiments of the pressure flushing system, the device housing 11 includes a first pipe 111 and a second pipe 112, the first pipe 111 is sealed and plugged into the adjacent end of the second pipe 112, and the opposite ends of the two are respectively connected to the back pressure chambers c of the two sets of drainage structures b; the one-way valve core 12 includes a piston 121 arranged between the adjacent ends of the first pipe 111 and the second pipe 112, and a check spring 122 for driving the piston 121 to movably block the end of the first pipe 111. In addition, the one-way valve core 12 can also adopt other check structures that allow the medium to flow in one direction.

[0022] In some embodiments of the pressure flushing system, the control device 2 may include at least one of a manual opening valve and an electric opening valve; wherein the manual opening valve may be a button opening valve 21 or a kick valve 22, and the electric opening valve may be a solenoid valve 23. When the manual opening valve and the electric opening valve are used in combination, the pressure flushing system can be controlled both manually and electrically, and the operation mode is more diversified to meet the different usage requirements of users.

[0023] In some embodiments of the pressure flushing system, a diaphragm spring 5 is provided in the back pressure chamber c; the diaphragm spring 5 is used to reset the diaphragm 4 in the direction of closing the connection between the water inlet 33 and the water outlet 34, so as to ensure that the drainage structure b is in a closed state under normal circumstances, and because the diaphragm spring 5 is provided, after the water in the back pressure chamber c is drained, the diaphragm 4 will not be completely attached to the upper wall of the cavity 3, resulting in the back pressure chamber c being unable to be replenished with water through the water replenishment hole 41.

[0024] In some embodiments of the pressure flushing system, the back pressure chamber c is usually provided with only one opening as a drain port (see Figure 1 ), if it is to be connected to the device housing 11 and the control device 2 at the same time, an external three-way joint is required. Although it can be realized, the pipe connection is more troublesome. To solve this problem, a connecting port 31 and a drain port 32 can be set in the back pressure chamber c (see Figure 2 ); the two ends of the device housing 11 are respectively connected to the communication ports 31 of the two sets of drainage structures b; the two control devices 2 are respectively connected to the drain ports 32 of the two sets of drainage structures b. Here, it is only necessary to open an additional communication port 31 in the back pressure chamber c of the drainage structure b, because the drain port 32 is already present.

[0025] Furthermore, the above-mentioned connecting port 31 and drain port 32 are arranged on the upper wall of the cavity 3, the water inlet 33 and the water outlet 34 are arranged on the lower wall of the cavity 3, and the water inlet end of the water outlet 34 protrudes from the lower wall of the cavity 3 to form a convex ring portion 341, and the diaphragm 4 is movably fitted on the convex ring portion 341 to realize opening or closing the connection between the water inlet 33 and the water outlet 34. After the diaphragm 4 contacts the convex ring portion 341, it cannot continue to move downward and sticks to the lower wall of the cavity 3, avoiding the situation that the water inlet 33 is also blocked and the back pressure chamber a cannot be replenished with water. It can be understood here that the upper wall and the lower wall are only the relative relationship between the connecting port 31, the drain port 32 and the water inlet 33 and the water outlet 34 relative to the two sides of the diaphragm 4, which does not represent a specific limitation on the installation position.

[0026] In some embodiments of the pressure flushing system, a pressure bag 6 is further included; two water storage chambers a which are not connected to each other are arranged in the pressure bag 6, and the two water storage chambers a are respectively arranged on the left and right sides of the pressure bag 6. The two water storage chambers a are designed in the same pressure bag 6, which makes the structure simpler and the installation more convenient.

[0027] Furthermore, the middle of the bottom surface of the pressure pack 6 is recessed toward the top surface thereof to form an arch bridge structure 61 for making way for the sewage pipe of the toilet; the two water storage chambers a are respectively located on both sides of the two arch bridge structures 6. By designing the arch bridge structure 61 on the bottom surface of the pressure pack 6 to make way for the sewage pipe of the toilet, the pressure pack 6 can be installed across the sewage pipe, making fuller use of the "idle space" behind the toilet, thereby increasing the design volume of the pressure pack, thereby increasing the drainage capacity of the pressure flushing system, or making installation more convenient.

[0028] At the same time, a drain pipe 7 is installed on the surface of the pressure bag 6; two water inlet pipes 71 are arranged in the drain pipe 7, and a water outlet pipe 72 is connected to the two water inlet pipes 71 at the same time, and the two water inlet pipes 71 are respectively connected to the water outlets 34 of the two sets of drainage structures b, and the water outlet pipe 72 supplies water to the toilet; in order to save installation space and avoid the waterway becoming complicated, the two water inlet pipes 71 of the drain pipe 7 are arranged in a collinear manner, the water outlet pipe 72 is perpendicular to the water inlet pipe 71, and a partition 73 is arranged in the water outlet pipe 72 to prevent the two water inlet pipes 71 from colliding. Designing the drain pipe 7 and fixing it directly on the surface of the pressure bag 6 can reduce the use of hoses and make waterway connection more convenient.

[0029] In some embodiments of the pressure flushing system, a water outlet box 8 is also included that is simultaneously connected to the water outlets 34 of the two sets of drainage structures b; the water outlet box 8 is provided with at least two diversion ports 81, so that the drainage of the pressure flushing system is diverted to the toilet wash ring water path and the main flushing water path, or even other more water paths that need water. It is foreseeable that the water outlet box 8 can be configured together with the above-mentioned drainage pipe 7, and the water outlet pipe 72 is directly inserted into the water inlet end of the water outlet box 8, and the drainage pipe 7 can also be used to fix the water outlet box 8.

[0030] In some embodiments of the pressure flushing system, a vertical water pipe 62 is provided in the water outlet of the water storage chamber a, the upper end of the water pipe 62 is connected to the water inlet 33, and the lower end of the water pipe 62 extends to the bottom of the water storage chamber a. The closer the lower end of the water pipe 62 is to the bottom of the water storage chamber a, the more water in the water storage chamber a can be discharged during drainage.

[0031] In some embodiments of the pressure flushing system, a pressure stabilizing valve 9 is provided at the water inlet end of the water storage chamber a, and the water inlet ends of the two water storage chambers a are simultaneously connected to the same pressure stabilizing valve 9, so that the water inlet pressure of the two water storage chambers a can be stably controlled by the one pressure stabilizing valve 9. When the pipeline is connected, the pressure stabilizing valve 9 can be connected to the water inlet ends of the two water storage chambers a respectively through a three-way joint, and a check valve can be provided between the three-way joint and the water inlet end of the water storage chamber a to prevent the water in the water storage chamber a from flowing back to the direction of the pressure stabilizing valve 9 and the water source.

[0032] refer to Figure 6 As shown, the present invention discloses a toilet, which applies the above-mentioned pressure flushing system.

[0033] The above scheme does not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. A pressure flushing system, characterized in that: It includes two water storage chambers which are not connected to each other, two sets of drainage structures, a one-way connecting device and two control devices; The drainage structure has a back pressure chamber and a drainage chamber separated by a diaphragm in the chamber, the drainage chamber is provided with a water inlet and a water outlet, and the diaphragm is provided with a water replenishment hole for connecting the back pressure chamber and the drainage chamber; the diaphragm opens or closes the connection between the water inlet and the water outlet as the pressure of the back pressure chamber changes; The water outlets of the two water storage chambers are respectively connected to the water inlets of the two sets of drainage structures; The one-way communication device comprises a device housing and a one-way valve core arranged in the device housing; both ends of the device housing are respectively connected to the back pressure chambers of the two sets of drainage structures; The two control devices are respectively connected to the back pressure chambers of the two drainage structures; when the control devices are turned on, the back pressure chambers of the corresponding drainage structures start to drain water to open the diaphragms.

2. The pressure flushing system according to claim 1, characterized in that: The device shell includes a first pipe fitting and a second pipe fitting, the first pipe fitting is sealingly inserted into the adjacent end of the second pipe fitting, and the opposite ends of the two pipe fittings are respectively connected to the back pressure chambers of two groups of drainage structures; the one-way valve core includes a piston arranged between the adjacent ends of the first pipe fitting and the second pipe fitting, and a check spring for driving the piston to move and seal the end of the first pipe fitting.

3. The pressure flushing system according to claim 1, characterized in that: The control device includes at least one of a manual opening valve and an electric opening valve.

4. The pressure flushing system according to claim 1, characterized in that: A diaphragm spring is arranged in the back pressure cavity; the diaphragm spring is used to realize the resetting of the diaphragm in the direction of closing the connection between the water inlet and the water outlet.

5. The pressure flushing system according to claim 1, characterized in that: The back pressure chamber is provided with a connecting port and a drain port; the two ends of the device shell are respectively connected with the connecting ports of the two groups of drainage structures; the two control devices are respectively connected with the drain ports of the two groups of drainage structures; the connecting port and the drain port are arranged on the upper wall of the cavity, the water inlet and the water outlet are arranged on the lower wall of the cavity, and the water inlet end of the water outlet protrudes from the lower wall of the cavity to form a convex ring part, and the diaphragm is movably fitted on the convex ring part to realize opening or closing of the connection between the water inlet and the water outlet.

6. The pressure flushing system according to claim 1, characterized in that: It also includes a pressure bag; the pressure bag is provided with two water storage chambers which are not connected to each other; the middle part of the bottom surface of the pressure bag is recessed toward the top surface thereof to form an arch bridge structure for making way for the sewage pipe of the toilet; the two water storage chambers are respectively located on both sides of the two arch bridge structures.

7. The pressure flushing system according to claim 6, characterized in that: A drain pipe is installed on the surface of the pressure bag; two water inlet pipes and a water outlet pipe connected to the two water inlet pipes are arranged in the drain pipe, the two water inlet pipes are respectively connected to the water outlets of the two groups of drainage structures, and the water outlet pipe supplies water to the toilet; the two water inlet pipes are arranged in a colinear manner, the water outlet pipe is perpendicular to the water inlet pipe, and a partition is arranged in the water outlet pipe to prevent the two water inlet pipes from colliding.

8. The pressure flushing system according to claim 1, characterized in that: It also includes a water outlet box which is connected to the water outlets of the two drainage structures at the same time; the water outlet box is provided with at least two diversion ports.

9. The pressure flushing system according to claim 1, characterized in that: A vertical water pipe is arranged in the water outlet end of the water storage chamber, the upper end of the water pipe is connected to the water inlet, and the lower end of the water pipe extends to the bottom of the water storage chamber; a pressure-stabilizing valve is arranged at the water inlet end of the water storage chamber, and the water inlet ends of the two water storage chambers are simultaneously connected to the same pressure-stabilizing valve.

10. A toilet, characterized in that It comprises a pressure flushing system as claimed in any one of claims 1 to 9.

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