Water pump, flushing system and intelligent toilet

Abstract

The embodiment of the application relates to the technical field of intelligent toilet, and discloses a water pump, a flushing system and an intelligent toilet, which comprise a shell, an impeller assembly and a driving assembly, the shell is provided with a first cavity, a second cavity, a water inlet, a first water outlet and a second water outlet, the first water outlet is communicated with the first cavity, the second water outlet is communicated with the second cavity, the impeller assembly comprises a first impeller and a second impeller, the first impeller is located in the first cavity and can rotate relative to the shell, the second impeller is located in the second cavity and can rotate relative to the shell, and the driving assembly is used for driving the first impeller and the second impeller to rotate, so as to suck liquid from outside into the first cavity and the second cavity, and then deliver the liquid to outside through the first water outlet and the second water outlet. Through the above mode, the water pump has two water outlets, the water pressure and flow of the two water outlets are different, and different flushing requirements can be met.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of smart toilets, and in particular to a water pump, a flushing system and a smart toilet. Background Art

[0002] Smart toilets offer a variety of functions, including automatic flushing, buttocks cleaning, automatic lid flap, automatic seat change, seat insulation, warm air drying, automatic deodorization, and silent closing. As a result, smart toilets are becoming increasingly popular among consumers, with more and more people choosing them as part of their home bathroom fixtures. A key component of a smart toilet is the flushing system, and the water pump is a crucial component within that system.

[0003] However, in the process of implementing the embodiments of the present invention, the inventors found that the water pumps of the current smart toilet flushing systems all have a single water outlet, that is, there is only one water outlet. The water outlet is equipped with components such as electromagnetic switches and ball valves to divert the water channel, and the liquid is diverted to the siphon water channel and the brush ring water channel. As a result, the flushing system has more components and a large pressure loss. Summary of the Invention

[0004] The main technical problem solved by the embodiments of the present invention is to provide a water pump, a flushing system and an intelligent toilet, so that the water pump has two water outlets, wherein the water pressure and flow rate output by the two water outlets are different to meet different flushing needs.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a water pump, a flushing system and an intelligent toilet, including a shell, an impeller assembly and a drive assembly, the shell is provided with a first cavity, a second cavity, a water inlet, a first water outlet and a second water outlet, the first water outlet is connected to the first cavity, and the second water outlet is connected to the second cavity, the impeller assembly includes a first impeller and a second impeller, the first impeller is located in the first cavity, the first impeller can rotate relative to the shell, the second impeller is located in the second cavity, the second impeller can rotate relative to the shell, The drive assembly rotates relative to the shell, and includes a drive shaft. The drive assembly is arranged in the shell, and the drive shaft extends to the first cavity and the second cavity. The drive shaft is connected to the first impeller and the second impeller respectively. The drive assembly drives the first impeller and the second impeller to rotate through the drive shaft to suck external liquid into the first cavity and the second cavity from the water inlet, and then transports the liquid to the outside through the first water outlet and the second water outlet, so that the water pump has two water outlets, wherein the water pressure and flow output by the two water outlets are different to meet different flushing requirements.

[0006] Optionally, the first cavity and the second cavity are communicated, the water inlet is communicated with the first cavity, or the number of the water inlets is two, the first cavity and the second cavity are independent cavities, one water inlet is communicated with the first cavity, and the other water inlet is communicated with the second cavity.

[0007] Optionally, along the radial direction of the driving shaft, the area of the first impeller circumscribed circle is greater than the area of the second impeller circumscribed circle, the flow of the liquid output by the first impeller is greater than the flow of the liquid output by the second impeller, and the pressure of the liquid output by the second impeller is greater than the pressure of the liquid output by the first impeller.

[0008] Optionally, the impeller assembly comprises a partition, the partition is arranged in the second cavity, the partition is provided with a rotating port, a rotating cavity, a communication port and a flow guide port, the flow guide port is communicated between the rotating cavity and the second water outlet, the communication port is communicated between the rotating cavity and the second cavity, the rotating port is communicated with the rotating cavity, the second impeller is located in the rotating cavity, and the driving shaft is inserted into the first cavity from the rotating port, the rotating cavity and the communication port.

[0009] Optionally, the shell comprises an upper shell, a lower shell and a support assembly, the upper shell and the lower shell are detachably connected, the lower shell is provided with a first receiving cavity with an opening, the first cavity, the second cavity, the water inlet, the first water outlet and the second water outlet are arranged in the upper shell, the support assembly is located on the surface of the lower shell away from the bottom surface of the first receiving cavity, the support assembly covers the second cavity, the driving assembly comprises a stator and a rotor, the stator is fixed to the first receiving cavity, the rotor is rotationally connected with the lower shell, and the driving shaft of the rotor is inserted into the first receiving cavity from the support assembly.

[0010] To solve the above technical problems, one technical scheme adopted by the present application is to provide a flushing system comprising the water pump.

[0011] Optionally, the flushing system comprises a first water outlet pipe and a second water outlet pipe, one end of the first water outlet pipe is connected to the first water outlet, the other end of the first water outlet pipe is connected to a brush circle spray port in the outside world, one end of the second water outlet pipe is connected to the second water outlet, and the other end of the second water outlet pipe is connected to a siphon spray port in the outside world, when the driving assembly is started, the first water outlet pipe delivers liquid from the first outlet to the brush circle spray port, and at the same time, the second water outlet pipe delivers liquid from the second water outlet to the siphon spray port.

[0012] Optionally, the flushing system comprises a control system, the control system is connected with the driving assembly, and the control system is used to control the rotating speed of the driving assembly, so as to control the flow and pressure of the first water outlet and the second water outlet.

[0013] Optionally, the flushing system comprises a water pressure regulating unit, the water pressure regulating unit is arranged in the second water outlet pipe, and the water pressure regulating unit is connected to the control system, and the water pressure regulating unit is used for monitoring the liquid pressure of the second water outlet pipe.

[0014] To solve the above technical problems, an embodiment of the present application provides a kind of intelligent closestool, including the flushing system described above.

[0015] In the embodiment of the present application, the water pump comprises a housing, an impeller assembly and a drive assembly, the housing is provided with a first cavity, a second cavity, a water inlet, a first water outlet and a second water outlet, the first water outlet communicates with the first cavity, the second water outlet communicates with the second cavity, the impeller assembly comprises a first impeller and a second impeller, the first impeller is located in the first cavity, the first impeller can rotate relative to the housing, the second impeller is located in the second cavity, the second impeller can rotate relative to the housing, the drive assembly comprises a drive shaft, the drive assembly is arranged in the housing, the drive shaft extends to the first cavity and the second cavity, the drive shaft is connected with the first impeller and the second impeller respectively, the drive assembly drives the first impeller and the second impeller to rotate through the drive shaft to suck the liquid from the water inlet into the first cavity and the second cavity, and then deliver the liquid to the outside through the first water outlet and the second water outlet, so that the water pump has two water outlets, and the water pressure and flow rate of the two water outlets are different to meet different flushing requirements. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by the drawings without creative labor.

[0017] Figure 1 is a perspective view of the flushing system provided by the embodiment of the present application;

[0018] Figure 2 is an explosion view schematic diagram of the flushing system provided by the embodiment of the present application;

[0019] Figure 3 is a perspective view of the housing in the water pump provided by the embodiment of the present application;

[0020] Figure 4 is an explosion view schematic diagram of the housing in the water pump provided by the embodiment of the present application;

[0021] Figure 5 is a sectional view of the housing in the water pump provided by the embodiment of the present application;

[0022] Figure 6 is the water pump in the impeller assembly provided by the embodiment of the present application;

[0023] Figure 7 is the water pump in the impeller assembly provided by the embodiment of the present application;

[0024] Figure 8 is the water pump in the driving assembly provided by the embodiment of the present application. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "vertical", "horizontal", "left", "right", and similar expressions used in the present specification are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used in the present specification are the same as those commonly understood by a person skilled in the art to which the present application belongs. The terms used in the present specification are only for the purpose of describing the specific embodiments and are not intended to limit the present application. The term "and / or" used in the present specification includes any and all combinations of one or more related listed items.

[0027] Please refer to Figure 1 and Figure 2 , the water pump 10 includes a housing 101, an impeller assembly 102 and a driving assembly 103, the impeller assembly 102 and the driving assembly 103 are arranged in the housing 101, the driving assembly 103 is connected with the impeller assembly 102, the driving assembly 103 drives the impeller assembly 102 to rotate, so as to suck the liquid from outside into the housing 101, and then deliver the liquid from the housing 101 to the brush circle jet 2 and the siphon jet 3, so as to flush and drain the intelligent toilet.

[0028] For the above-mentioned housing 101, please refer to Figure 3 , Figure 4 and Figure 5, including the upper shell 1011, the fixed frame 1012, the lower shell 1013, the sealing element 1014 and the bracket assembly 1015, the upper shell 1011 and the lower shell 1013 are detachably connected, the bracket assembly 1015 and the sealing element 1014 are located in the lower shell 1013, and the fixed frame 1012 is fixed to the lower shell 1013. The upper shell 1011 is provided with a water inlet 10111, a second cavity 10112, a first water outlet 10113, a second water outlet 10114 and a first cavity 10115, the first cavity 10115 communicates with the second cavity 10112, the water inlet 10111 communicates with the first cavity 10115, the first water outlet 10113 communicates with the first cavity 10115, the second water outlet 10114 communicates with the second cavity 10112, the water inlet 10111 is used for the first cavity 10115 to communicate with the external water pipeline, the first water outlet 10113 is used for the first cavity 10115 to communicate with part of the flushing system 1, and the second water outlet 10114 is used for the second cavity 10112 to communicate with part of the flushing system 1. The lower shell 1013 is provided with a cover plate 10131, a first receiving cavity 10132 and a receiving groove 10133, the cover plate 10131 is located at one end of the lower shell 1013 away from the upper shell 1011, the receiving groove 10133 is located on the bottom surface of the first receiving cavity 10132 away from the first receiving cavity 10132, and the first receiving cavity 10132 is used for receiving the driving assembly 103. The cover plate 10131 is used for opening or closing the first receiving cavity 10132 to facilitate the installation or replacement of the driving assembly 103. The bracket assembly 1015 is provided with a first through hole 10151 and an annular boss 10152, the first through hole 10151 is used for the driving assembly 103 to pass through to the second cavity 10112, and the annular boss 10152 is received in the receiving groove 10133 to fix the bracket assembly 1015 and cover the second cavity 10112. The sealing element 1014 is located in the receiving groove 10133 to seal the second cavity 10112 and prevent liquid from leaking from the second cavity 10112 to the shell 101. The fixed frame 1012 is provided with a second through hole 10121, a third through hole 10122 and a fourth through hole 10123, the second through hole 10121 and the fourth through hole 10123 are oppositely arranged, the fixed frame 1012 is fixedly connected with the lower shell 1013 in an interference fit through the second through hole 10121, and the fixed frame 1012 is fixedly connected with the outside through the third through hole 10122 and the fourth through hole 10123.

[0029] Alternatively, the number of water inlets 10111 is two, the first cavity 10115 and the second cavity 10112 are independent cavities, one water inlet 10111 communicates with the first cavity 10115, and the other water inlet 10111 communicates with the second cavity 10112. The upper shell 1011

[0030] For the above-mentioned impeller assembly 102, please refer toFigure 6 and Figure 7 , including a first impeller 1021, a partition 1022 and a second impeller 1023, the first impeller 1021 is located in the first cavity 10115, the second impeller 1023 and the partition 1022 are located in the second cavity 10112, the partition 1022 is provided with a rotating port 10221, a guide port 10222, a connecting port 10223 and a rotating cavity 10224, the guide port 10222 is connected to the rotating cavity 10224 and the second water outlet 10114, the connecting port 10223 connects the rotating cavity 10224 with the second cavity 10112, the rotating port 10221 is connected to the rotating cavity 10224, and the rotating cavity 10224 is used to accommodate the second impeller 1023. The first impeller 1021 and the second impeller 1023 are used to draw external liquid from the water inlet 10111 into the first cavity 10115 and the second cavity 10112, and then deliver the liquid to the outside through the first water outlet 10113 and the second water outlet 10114. Along the radial direction of the drive assembly 103, the area of ​​the circumscribed circle of the first impeller 1021 is greater than the area of ​​the circumscribed circle of the second impeller 1023. The flow rate of the liquid output by the first impeller 1021 is greater than the flow rate of the liquid output by the second impeller 1023, and the pressure of the liquid output by the second impeller 1023 is greater than the pressure of the liquid output by the first impeller 1021.

[0031] In some embodiments, the first impeller 1021 includes a first fixing plate 10211, a plurality of first impeller blades 10212, and a second fixing plate 10213. One end of the first impeller blade 10212 is connected to the first fixing plate 10211, and the other end is connected to the second fixing plate 10213. The first fixing plate 10211 is provided with a fifth through-hole 102111, which is connected to the first cavity 10115 to allow liquid in the first cavity 10115 to flow into the first impeller 1021, and then be directed to the first water outlet 10113 through the first impeller blade 10212. The second fixing plate 10213 is provided with a sixth through-hole 102113, which is used for the drive assembly 103 to pass through and connect to the first impeller 1021.

[0032] In some embodiments, the second impeller 1023 includes a third fixing plate 10231, a plurality of second impeller blades 10232, and a fourth fixing plate 10233. One end of the second impeller blade 10232 is connected to the third fixing plate 10231, and the other end is connected to the fourth fixing plate 10233. The third fixing plate 10231 is provided with a seventh through hole 102311, which communicates with the rotating chamber 10224 to allow liquid in the rotating chamber 10224 to flow into the second impeller 1023, and then be directed to the second water outlet 10114 through the second impeller blades 10232. The fourth fixing plate 10233 is provided with an eighth through hole 102331, which is used for the drive assembly 103 to pass through and connect to the second impeller 1023.

[0033] It should be noted that the first impeller 1021 and the second impeller 1023 are not only those mentioned in the embodiment, but can also be impellers of a gear pump, a vane pump or a centrifugal pump. At the same time, the first cavity 10115 and the second cavity 10112 are set in a one-to-one correspondence.

[0034] For the above-mentioned drive assembly 103, see Figure 8 The rotor 1032 includes a stator 1031 and a rotor 1032. The stator 1031 is fixed to the first receiving cavity 10132, and the rotor 1032 is rotatably connected to the lower housing 1013. The rotor 1032 is provided with a drive shaft 10321. The drive shaft 10321 passes through the first receiving cavity 10132, the first through hole 10151, the eighth through hole 102331, the seventh through hole 102311, and the sixth through hole 102113. The drive shaft 10321 is connected to the first impeller 1021 and the second impeller 1023. When the rotor 1032 rotates, the drive shaft 10321 rotates, thereby driving the first impeller 1021 and the second impeller 1023 to rotate, thereby sucking external liquid into the first cavity 10115 and the second cavity 10112, and then diverting it to the first water outlet 10113 and the second water outlet 10114.

[0035] In the embodiment of the present application, the water pump 10 comprises a shell 101, an impeller assembly 102 and a driving assembly 103, the shell 101 is provided with a first cavity 10115, a second cavity 10112, a water inlet 10111, a first water outlet 10113 and a second water outlet 10114, the first water outlet 10113 is communicated with the first cavity 10115, the second water outlet 10114 is communicated with the second cavity 10112, the impeller assembly 102 comprises a first impeller 1021 and a second impeller 1023, the first impeller 1021 is located in the first cavity 10115, the first impeller 1021 is rotatable relative to the shell 101, the second impeller 1023 is located in the second cavity 10112, the second impeller 1023 is rotatable relative to the shell 101, the driving assembly 103 comprises a driving shaft 10321, the driving assembly 103 is arranged in the shell 101, the driving shaft 10321 extends to the first cavity 10115 and the second cavity 10112, the driving shaft 10321 is connected with the first impeller 1021 and the second impeller 1023 respectively, the driving assembly 103 drives the first impeller 1021 and the second impeller 1023 to rotate through the driving shaft 10321, so as to suck the liquid from the water inlet 10111 into the first cavity 10115 and the second cavity 10112, and then deliver the liquid to the outside through the first outlet and the second water outlet, so as to realize that the water pump has two water outlets, wherein the water pressure and the flow of the two water outlets are different, so as to meet different flushing requirements.

[0036] The present application also provides an embodiment of a flushing system 1, please refer to Figure 1 and Figure 2, including the water pump 10, the first water outlet pipe 20, the second water outlet pipe 30, the water pressure adjusting unit 40 and the control system (not shown), for the structure and function of the water pump 10 can refer to the above-mentioned embodiments, here will not be repeated. Among them, the first water outlet pipe 20 is connected to the first water outlet 10113 at one end, and the other end is connected to the brush ring nozzle 2 outside, the second water outlet pipe 30 is connected to the second water outlet 10114 at one end, and the other end is connected to the siphon nozzle 3 outside, the water pressure adjusting unit 40 is arranged in the second water outlet pipe 30, and the control system is connected with the water pressure adjusting unit 40 and the driving assembly 103. The first water outlet pipe 20 is used to transport liquid from the first water outlet 10113 to the brush ring nozzle 2 to spray water in the intelligent toilet. The second water outlet pipe 30 is used to transport liquid from the second water outlet 10114 to the siphon nozzle 3 to discharge sewage in the intelligent toilet. The water pressure adjusting unit 40 is used to monitor the liquid pressure of the second water outlet pipe 30. The control system is used to control the rotating speed of the driving assembly 103, thereby controlling the flow and pressure of the first water outlet 10113 and the second water outlet 10114, for example, in the first preset period, the control system controls the water pump 10 to rotate at a lower speed, and the intelligent toilet is transported by the first water outlet pipe 20 and the second water outlet pipe 30. Liquid for short-time water replenishment, in the second preset period, when the water pressure adjusting unit 40 monitors that the liquid pressure of the second water outlet pipe 30 reaches the preset value, the control system controls the water pump 10 to rotate at a high speed, and the intelligent toilet is transported by the first water outlet pipe 20 and the second water outlet pipe 30. Liquid for sewage discharge, because the intelligent toilet has been watered in the first preset period, the water amount stored in the intelligent toilet can cover the noise generated in the second preset period, in the third preset period, the control system controls the water pump 10 to rotate continuously at a high speed or to reduce the rotating speed according to the actual demand, and the intelligent toilet is transported by the first water outlet pipe 20 and the second water outlet pipe 30. Liquid for continuous sewage discharge or sewage discharge and water replenishment, in the fourth period, the control system controls the water pump 10 to be closed.

[0037] It should be noted that the flushing system 1 can also not be provided with the above-mentioned water pressure adjusting unit 40.

[0038] The application also provides an intelligent toilet embodiment, the intelligent toilet comprising the above-mentioned flushing system, for the structure and function of the intelligent toilet can refer to the above-mentioned embodiments, here will not be repeated.

[0039] It should be noted that the preferred embodiments of the present application are described in the specification and its drawings only for the purpose of better understanding the present application, and the present application can be implemented in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not intended to be additional limitations on the content of the present application, and the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Furthermore, each of the above technical features continues to be combined with each other, forming various embodiments not listed above, which are all considered to be within the scope of the present application specification; further, for those skilled in the art, the above description can be improved or changed, and all these improvements and changes shall fall within the scope of protection of the claims of the present application.

Claims

1. A water pump, characterized in that: include: a housing, the housing being provided with a first cavity, a second cavity, a water inlet, a first water outlet, and a second water outlet, the first water outlet being in communication with the first cavity, the second water outlet being in communication with the second cavity, the first cavity being in communication with the second cavity, and the water inlet being in communication with the first cavity; An impeller assembly includes a first impeller and a second impeller, wherein the first impeller is located in a first cavity and is rotatable relative to the housing, and the second impeller is located in a second cavity and is rotatable relative to the housing; a drive assembly, comprising a drive shaft, the drive assembly being disposed in the housing, the drive shaft extending to the first cavity and the second cavity, the drive shaft being connected to the first impeller and the second impeller, respectively, the drive assembly driving the first impeller and the second impeller to rotate via the drive shaft, so as to draw external liquid into the first cavity and the second cavity from the water inlet, and then transport the liquid to the outside through the first water outlet and the second water outlet; Along the radial direction of the drive shaft, the area of ​​the circumscribed circle of the first impeller is greater than the area of ​​the circumscribed circle of the second impeller, the flow rate of the liquid output by the first impeller is greater than the flow rate of the liquid output by the second impeller, and the pressure of the liquid output by the second impeller is greater than the pressure of the liquid output by the first impeller.

2. The water pump according to claim 1, characterized in that The impeller assembly includes a partition, which is arranged in the second cavity. The partition is provided with a rotating port, a rotating cavity, a connecting port and a guide port. The guide port is connected to the rotating cavity and the second water outlet. The connecting port connects the rotating cavity with the second cavity. The rotating port is connected to the rotating cavity. The second impeller is located in the rotating cavity. The drive shaft is inserted into the first cavity from the rotating port, the rotating cavity and the connecting port.

3. The water pump according to claim 1, characterized in that The housing comprises an upper housing, a lower housing and a bracket assembly, wherein the upper housing and the lower housing are detachably connected, the lower housing is provided with a first receiving cavity with an opening, and the first cavity, the second cavity, the water inlet, the first water outlet and the second water outlet are all provided on the upper housing; The bracket assembly is located on the bottom surface of the lower shell away from the first receiving cavity, and the bracket assembly covers the second cavity; The driving assembly includes a stator and a rotor. The stator is fixed to the first receiving cavity. The rotor is rotatably connected to the lower shell. The driving shaft of the rotor passes through the bracket assembly and is inserted into the second cavity and the first cavity.

4. A flushing system, characterized in that: The water pump comprises the water pump according to any one of claims 1 to 3.

5. The flushing system according to claim 4, characterized in that: The flushing system includes a first water outlet pipe and a second water outlet pipe, one end of the first water outlet pipe is connected to the first water outlet, and the other end is connected to the external brush ring nozzle, one end of the second water outlet pipe is connected to the second water outlet, and the other end is connected to the external siphon nozzle. When the driving component is started, the first water outlet pipe transports the liquid from the first outlet to the brush ring nozzle, and at the same time, the second water outlet pipe transports the liquid from the second water outlet to the siphon nozzle.

6. The flushing system according to claim 4, characterized in that: The flushing system includes a control system connected to the driving assembly. The control system is used to control the rotation speed of the driving assembly, thereby controlling the flow and pressure of the first water outlet and the second water outlet.

7. The flushing system according to claim 5, characterized in that: The flushing system includes a water pressure regulating unit, which is arranged on the second water outlet pipe and connected to the control system. The water pressure regulating unit is used to monitor the liquid pressure of the second water outlet pipe.

8. A smart toilet, characterized in that: Comprising a flushing system as described in any one of claims 4-7.

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