Automatic putting device and washing machine

Abstract

The utility model relates to an automatic putting device and a washing machine, and relates to the technical field of cleaning equipment manufacturing, the automatic putting device comprises a waterway board, a first liquid putting cavity, a second liquid putting cavity and a main waterway are arranged in the waterway board, the second liquid putting cavity communicates with the main waterway through a second liquid putting channel, and the main waterway is used for communicating with an inner barrel of the washing machine; the driving pump is arranged on the waterway plate and used for feeding liquid in the first liquid feeding cavity into the inner barrel of the washing machine through the first liquid feeding channel; the siphon cap assembly is arranged in the second liquid feeding cavity and comprises a hollow siphon column and a siphon cap arranged on the siphon column in a sleeving mode, the siphon column is communicated with the second liquid feeding channel, and when the liquid level in the second liquid feeding cavity is higher than the siphon liquid level, the siphon cap floats upwards to open a siphon opening, so that liquid in the second liquid feeding cavity is fed into the second liquid feeding channel and flows into the main water path. Due to the fact that the liquid in the second liquid feeding cavity is fed through the siphon effect caused by the siphon cap assembly, two driving pumps do not need to be adopted to drive the liquid in the two cavities to flow respectively, the size is reduced, and energy consumption is reduced.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment manufacturing technology, specifically to an automatic dispensing device and a washing machine. Background Technology

[0002] Currently, washing machines are widely used in daily life as a cleaning tool. A washing machine is a device that uses washing water and detergents such as laundry powder or liquid detergent to remove dirt adhering to objects inside the drum through steps such as washing, rinsing, spin-drying, and drying. Existing washing machines require manual addition of laundry powder or liquid detergent, which has the disadvantages of being difficult to control the dosage and inconvenient to use.

[0003] In existing technologies, two or three dispensing pumps are typically installed to dispense detergent and fabric softener, respectively, depending on the type of detergent to be dispensed.

[0004] However, this method of setting the dispensing pump according to the type of detergent not only increases the energy consumption of the washing machine, but also increases the size of the dispensing box, making it difficult to meet users' requirements for a multi-functional and compact washing machine. Utility Model Content

[0005] This application provides an automatic dispensing device and a washing machine, which can solve the problem that the existing method of setting the dispensing pump according to the type of detergent not only increases the energy consumption of the washing machine, but also increases the size of the dispensing box, making it difficult to meet users' requirements for multi-functional and compact washing machines.

[0006] In a first aspect, embodiments of this application provide an automatic dispensing device, which includes:

[0007] The water circuit board has a first liquid inlet chamber, a second liquid inlet chamber and a main water circuit. The second liquid inlet chamber is connected to the main water circuit through a second liquid inlet passage. The main water circuit is used to connect to the inner tub of the washing machine.

[0008] A drive pump, which is installed on the water circuit board, is used to inject the liquid in the first liquid injection chamber into the inner tub of the washing machine through the first liquid injection passage.

[0009] The siphon cap assembly is disposed in the second liquid inlet chamber and includes a hollow siphon column and a siphon cap sleeved on the siphon column. The siphon column is connected to the second liquid inlet passage. When the liquid level in the second liquid inlet chamber is higher than the siphon liquid level, the siphon cap floats up and opens the siphon port, so that the liquid in the second liquid inlet chamber is put into the second liquid inlet passage and flows into the main water passage.

[0010] In one embodiment, an explosion-proof valve is further included, the explosion-proof valve connecting the first liquid injection passage and the main water passage, including:

[0011] The outer casing has a first through-hole at its top;

[0012] A base is disposed at the bottom of the housing and connected to the housing, and the base is provided with a drain outlet;

[0013] A valve core assembly is disposed on the base. The end of the valve core assembly is used to extend into the first through hole and can move relative to the base. When the end of the valve core assembly extends into the first through hole, the explosion-proof valve is closed. When the water pressure in the first liquid injection passage is greater than the set pressure, the end of the valve core assembly disengages from the first through hole, the first through hole is connected to the drain outlet, the explosion-proof valve is opened, and the water in the first liquid injection passage is discharged into the main water passage.

[0014] In one embodiment, the base has a second through hole in the middle, and the valve core assembly includes:

[0015] A valve core, which is used to extend into the first through hole;

[0016] A valve stem, which is connected to the valve core, is used to extend into the second through hole;

[0017] A spring is sleeved on the outside of the valve stem, with one end connected to the valve core and the other end connected to the base. When the water pressure in the first liquid injection passage is greater than the set pressure, the spring is compressed, the valve core separates from the first through hole, the valve stem extends into the second through hole, connecting the first through hole and the drain outlet, and the explosion-proof valve opens to discharge water into the main water passage.

[0018] In one embodiment, the outer shell is provided with a retaining groove, and the base is provided with a retaining ear corresponding to the retaining groove, and the outer shell and the base are connected by the retaining ear and the retaining groove.

[0019] In one embodiment, the water circuit board is provided with an air outlet, the air outlet is connected to the first liquid injection passage, and a vent valve is provided at the air outlet, the vent valve comprising:

[0020] The vent valve core and valve column are integrally formed, and the diameter of the vent valve core is larger than the diameter of the valve column. The vent valve core matches the vent hole and is used to block the vent hole. The valve column is used to extend out of the vent hole.

[0021] A compression spring is sleeved on the outside of the vent valve core and valve column. One end is connected to the water circuit plate, and the other end is connected to the vent valve core. When water flows through the water circuit, the compression spring is compressed by the water pressure, which isolates the first liquid injection passage from the atmosphere through the vent valve core. When the water injection ends, the compression spring generates a restoring force, separating the vent valve core from the air outlet. At this time, there is a gap between the valve column and the air outlet, allowing the first liquid injection passage to be connected to the atmosphere.

[0022] In one embodiment, a water inlet valve is also included. The water inlet valve is disposed on the water circuit board and has an outlet that corresponds one-to-one with the first liquid injection passage, the second liquid injection chamber and the main water circuit.

[0023] In one embodiment, the water circuit board is further provided with a liquid storage chamber and an impeller chamber. The liquid storage chamber and the drive pump are respectively located at both ends of the water circuit board. The liquid storage chamber is connected to the first liquid injection passage. The drive pump is provided with a suction port and a discharge port. The suction port is connected to the liquid storage chamber, and the discharge port is connected to the impeller chamber. An impeller assembly is provided in the impeller chamber. The impeller assembly is used to mix the liquid flowing into the liquid storage chamber and the water entering through the outlet corresponding to the first liquid injection passage.

[0024] In one embodiment, the water circuit board is further provided with a nozzle, which is connected to the impeller cavity and is used to spray the mixed liquid into the inner tub of the washing machine.

[0025] In one embodiment, the water circuit board is provided with an overflow port that communicates with the second liquid injection chamber and is connected to the main water circuit. When liquid overflows from the second liquid injection chamber, the overflowing liquid flows into the main water circuit.

[0026] Secondly, embodiments of this application also provide a washing machine, which includes the aforementioned automatic dispensing device.

[0027] The beneficial effects of the technical solutions provided in this application include:

[0028] In manufacturing this automatic dispensing device, the water circuit board is provided with a first dispensing chamber, a second dispensing chamber, and a main water circuit. The second dispensing chamber is connected to the main water circuit through a second dispensing passage. The main water circuit is used to connect to the inner tub of the washing machine. A drive pump is installed on the water circuit board to dispense the liquid in the first dispensing chamber into the inner tub of the washing machine through the first dispensing passage. A siphon cap assembly is installed in the second dispensing chamber, including a hollow siphon column and a siphon cap sleeved on the siphon column. The hollow siphon column is connected to the second dispensing passage. When the liquid level in the second dispensing chamber is higher than the siphon liquid level, the siphon cap floats up and opens the siphon port, allowing the liquid in the second dispensing chamber to enter the second dispensing passage through the hollow section of the siphon column and flow into the main water circuit. Because the liquid in the second dispensing chamber is dispensed through the siphon effect caused by the siphon cap assembly, there is no need to use two drive pumps to drive the liquid flow in the first and second dispensing chambers respectively. This reduces the volume and energy consumption, and solves the problem in the prior art where the dispensing pump is set according to the type of detergent, which not only increases the energy consumption of the washing machine, but also increases the size of the dispensing box, making it difficult to meet users' requirements for multi-functional and compact washing machines. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is an exploded structural diagram of an embodiment of an automatic dispensing device according to the present invention.

[0031] Figure 2 This is a top view of an embodiment of an automatic dispensing device according to the present invention.

[0032] Figure 3 This is a schematic diagram of the water circuit board in an embodiment of an automatic dispensing device of this utility model.

[0033] Figure 4 This is a top view of the water circuit board in an embodiment of an automatic dispensing device of this utility model.

[0034] Figure 5 This is a schematic diagram of the structure of an explosion-proof valve in an embodiment of an automatic dispensing device of this utility model.

[0035] Figure 6 This is a schematic diagram of the structure of the vent valve in an embodiment of an automatic dispensing device of this utility model.

[0036] Figure 7This is a schematic diagram of the siphon column in an embodiment of an automatic dispensing device of this utility model.

[0037] Figure 8 This is a schematic diagram of the siphon cap in an embodiment of an automatic dispensing device of this utility model.

[0038] Figure 9 This is a schematic diagram of the base and valve core assembly in an embodiment of an automatic dispensing device of this utility model.

[0039] Figure 10 This is a schematic diagram of the base structure in an embodiment of an automatic dispensing device of this utility model.

[0040] In the diagram: 1. Water circuit board; 11. First liquid injection chamber; 111. First liquid injection passage; 12. Second liquid injection chamber; 121. Second liquid injection passage; 122. Groove; 13. Main water circuit; 14. Water circuit board cover; 15. Water circuit board housing; 16. Water circuit board lower plate; 17. Rubber pad; 2. Drive pump; 21. Suction port; 22. Discharge port; 3. Siphon cap assembly; 31. Siphon cap; 32. Siphon column; 321. Rib; 4. Inlet valve; 41. Rubber sleeve; 5. Detection needle; 51. Needle harness 6. Explosion-proof valve; 61. Housing; 611. First through hole; 612. First sealing ring; 613. Pressure reducing hole; 62. Base; 621. Drain outlet; 622. Second through hole; 623. Clamp; 63. Valve core assembly; 631. Valve core; 6311. Second sealing ring; 6312. Clamping block; 632. Valve stem; 633. Spring; 7. Vent valve; 71. Compression spring; 72. Vent valve core; 721. Third sealing ring; 73. Valve column; 8. Liquid storage chamber; 9. Impeller assembly; 10. Nozzle. Detailed Implementation

[0041] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0042] This application provides an automatic dispensing device and a washing machine, which solves the problem in the prior art where the dispensing pump is set according to the type of detergent, which not only increases the energy consumption of the washing machine, but also increases the size of the dispensing box, making it difficult to meet users' requirements for a multi-functional and compact washing machine.

[0043] like Figure 1 , Figure 2 , Figure 4 , Figure 7 and Figure 8 As shown, in one aspect, this application provides an automatic dispensing device, which includes:

[0044] Water circuit board 1, which is provided with a first liquid injection chamber 11, a second liquid injection chamber 12 and a main water circuit 13. The second liquid injection chamber 12 is connected to the main water circuit 13 through a second liquid injection passage 121. The main water circuit 13 is used to connect with the inner tub of the washing machine.

[0045] Drive pump 2, which is installed on water circuit board 1, is used to inject the liquid in the first liquid injection chamber 11 into the inner tub of the washing machine through the first liquid injection passage 111.

[0046] The siphon cap assembly 3 is disposed in the second liquid injection chamber 12 and includes a hollow siphon column 32 and a siphon cap 31 sleeved on the siphon column 32. The siphon column 32 is connected to the second liquid injection passage 121. When the liquid level in the second liquid injection chamber 12 is higher than the siphon liquid level, the siphon cap 31 floats up and opens the siphon port, so that the liquid in the second liquid injection chamber 12 is injected into the second liquid injection passage 121 and flows into the main water passage 13.

[0047] In manufacturing this automatic dispensing device, the water circuit plate 1 is provided with a first dispensing chamber 11, a second dispensing chamber 12, and a main water circuit 13. The second dispensing chamber 12 is connected to the main water circuit 13 through a second dispensing passage 121. The main water circuit 13 is used to connect with the inner tub of the washing machine. The drive pump 2 is installed on the water circuit plate 1 and is used to inject the liquid in the first dispensing chamber 11 into the inner tub of the washing machine through the first dispensing passage 111. The siphon cap assembly 3 is installed in the second dispensing chamber 12 and includes a hollow siphon column 32 and a siphon cap 31 sleeved on the siphon column 32. The hollow siphon column 32 is connected to the second dispensing passage 121. When the liquid level in the second dispensing chamber 12 is higher than the siphon liquid level, the siphon cap 31 floats up and opens the siphon port, so that the liquid in the second dispensing chamber 12 is injected into the second dispensing passage 121 through the hollow section of the siphon column 32 and flows into the main water circuit 13. Because the liquid in the second dispensing chamber 12 is dispensed through the siphon effect caused by the siphon cap assembly 3, it is not necessary to use two drive pumps 2 to drive the liquid flow in the first dispensing chamber 11 and the second dispensing chamber 12 respectively. This reduces the volume and energy consumption, and solves the problem in the prior art where the dispensing pump is set according to the type of detergent, which not only increases the energy consumption of the washing machine, but also increases the size of the dispensing box, making it difficult to meet users' requirements for multi-functional and compact washing machines.

[0048] In this example, a detection steel needle 5 is provided in the first liquid filling chamber 11, and a steel needle wire harness 51 is provided on the detection steel needle 5. The detection steel needle 5 is used to detect the liquid level in the first liquid filling chamber 11 and feeds back to the controller through the steel needle wire harness 51.

[0049] In this example, the water circuit board 1 includes a water circuit board upper cover 14, a water circuit board housing 15, and a water circuit board lower plate 16. The water circuit board upper cover 14 and the water circuit board lower plate 16 are respectively covered on the upper and lower sides of the water circuit board housing 15 to form the water circuit board 1.

[0050] In this example, the second liquid inlet chamber 12 is provided with a groove 122, and the siphon column 32 is disposed in the groove 122. The siphon column 32 is provided with multiple protruding ribs 321 to ensure the gap between the siphon column 32 and the siphon cap 31.

[0051] In this example, rubber pads 17 are provided on the outer circumference of both the first liquid injection chamber 11 and the second liquid injection chamber 12.

[0052] like Figure 1 , Figure 4 , Figure 5 , Figure 9 and Figure 10 As shown, in some optional embodiments, an explosion-proof valve 6 is also included, which connects the first liquid injection passage 111 and the main water passage 13, including:

[0053] The outer casing 61 has a first through hole 611 on its top;

[0054] A base 62 is disposed at the bottom of the outer casing 61 and connected to the outer casing 61. A drain outlet 621 is provided on the base 62.

[0055] The valve core assembly 63 is mounted on the base 62. The end of the valve core assembly 63 is used to extend into the first through hole 611 and can move relative to the base 62. When the end of the valve core assembly 63 extends into the first through hole 611, the explosion-proof valve 6 is closed. When the water pressure in the first liquid injection passage 111 is greater than the set pressure, the end of the valve core assembly 63 is disengaged from the first through hole 611. The first through hole 611 is connected to the drain outlet 621, the explosion-proof valve 6 is opened, and the water in the first liquid injection passage 111 is discharged into the main water passage 13.

[0056] In this embodiment, the automatic dispensing device also includes an explosion-proof valve 6, which connects the first liquid dispensing passage 111 and the main water passage 13. The explosion-proof valve 6 includes a housing 61, a base 62, and a valve core assembly 63. The housing 61 has a first through hole 611 at its top. The base 62 is located at the bottom of the housing 61 and connected to it. The base 62 has a drain outlet 621. The valve core assembly 63 is located on the base 62. The end of the valve core assembly 63 is used to extend into the first through hole 611 and can move relative to the base 62. When the end of the valve core assembly 63 extends into the first through hole 611, the explosion-proof valve 6 is closed. When the water pressure in the first liquid dispensing passage 111 is greater than the set pressure, the end of the valve core assembly 63 disengages from the first through hole 611, and the first through hole 611 connects with the drain outlet 621. The explosion-proof valve 6 opens, draining the water in the first liquid dispensing passage 111 into the main water passage 13, thus protecting the water passage and preventing damage to the water passage when the water pressure is too high.

[0057] In this example, a first sealing ring 612 is fitted on the outer side of the outer casing 61 to seal the connection between the outer casing 61 and the water circuit board 1. The outer casing 61 is also provided with a pressure relief hole 613 for drainage together with the drain outlet 621.

[0058] like Figure 5 , Figure 9 and Figure 10 As shown, in some optional embodiments, the base 62 has a second through hole 622 in the middle, and the valve core assembly 63 includes:

[0059] Valve core 631, which is used to extend into the first through hole 611;

[0060] Valve stem 632, which is connected to valve core 631, is used to extend into second through hole 622;

[0061] Spring 633 is sleeved on the outside of valve stem 632. One end is connected to valve core 631 and the other end is connected to base 62. When the water pressure in the first liquid injection passage 111 is greater than the set pressure, spring 633 is compressed. Valve core 631 separates from first through hole 611, valve stem 632 extends into second through hole 622, connecting first through hole 611 and drain outlet 621. Explosion-proof valve 6 opens, draining water into main water passage 13.

[0062] In this embodiment, a second through hole 622 is provided in the middle of the base 62. The valve core assembly 63 includes a valve core 631, a valve stem 632, and a spring 633. The valve core 631 is used to extend into the first through hole 611. The valve stem 632 is connected to the valve core 631 and is used to extend into the second through hole 622. The spring 633 is sleeved on the outside of the valve stem 632, with one end connected to the valve core 631 and the other end connected to the base 62. When the water pressure in the first liquid injection passage 111 is greater than the set pressure, the spring 633 is compressed, the valve core 631 separates from the first through hole 611, the valve stem 632 extends into the second through hole 622, connecting the first through hole 611 and the drain outlet 621, and the explosion-proof valve 6 opens, draining water into the main water passage 13. This describes the specific structure of the valve core assembly 63, which is convenient for implementation.

[0063] In this example, the valve core 631 is provided with a second sealing ring 6311 to seal the gap between the valve core 631 and the first through hole 611. The valve core is also provided with a retaining block 6312 to limit the valve core 631 inside the housing 61.

[0064] like Figure 5 and Figure 9 As shown, in some optional embodiments, the outer shell 61 is provided with a retaining groove, and the base 62 is provided with a retaining ear 623 corresponding to the retaining groove, and the outer shell 61 and the base 62 are connected by the retaining ear 623 and the retaining groove.

[0065] In this embodiment, the outer shell 61 is provided with a retaining groove, and the base 62 is provided with a retaining ear 623 corresponding to the retaining groove. The outer shell 61 and the base 62 are connected by the retaining ear 623 and the retaining groove, which has a good connection effect and is convenient for installation and disassembly.

[0066] like Figure 1 and Figure 6 As shown, in some optional embodiments, the water circuit board 1 is provided with an air outlet, which is connected to the first liquid injection passage 111. An air vent valve 7 is provided at the air outlet, and the air vent valve 7 includes:

[0067] The vent valve core 72 and valve column 73 are integrally formed, and the diameter of the vent valve core 72 is larger than the diameter of the valve column 73. The vent valve core 72 is matched with the vent hole and is used to block the vent hole. The valve column 73 is used to extend out of the vent hole.

[0068] The compression spring 71 is sleeved on the outside of the vent valve core 72 and the valve column 73. One end is connected to the water circuit plate 1, and the other end is connected to the vent valve core 72. When water flows through the water circuit, the compression spring 71 is compressed by the water pressure and isolates the first liquid injection passage 111 from the atmosphere through the vent valve core 72. When the water inlet ends, the compression spring 71 generates a restoring force, separating the vent valve core 72 from the air outlet. At this time, there is a gap between the valve column 73 and the air outlet, so that the first liquid injection passage 111 is connected to the atmosphere.

[0069] In this embodiment, a vent is provided on the water circuit board 1, which is connected to the first liquid injection passage 111. A vent valve 7 is provided at the vent, which includes a compression spring 71, a vent valve core 72, and a valve stem 73. The vent valve core 72 and the valve stem 73 are integrally formed, and the diameter of the vent valve core 72 is larger than the diameter of the valve stem 73. The vent valve core 72 matches the vent and is used to block the vent. The valve stem 73 extends out of the vent. The compression spring 71 is sleeved on the vent valve core 72 and the valve stem 73. On the outside of 3, one end is connected to the water circuit plate 1, and the other end is connected to the vent valve core 72. When water flows through the water circuit, the spring 71 is compressed by the water pressure, and the first liquid injection passage 111 is isolated from the atmosphere through the vent valve core 72. When the water inlet ends, the spring 71 generates a restoring force, separating the vent valve core 72 from the air outlet. At this time, there is a gap between the valve column 73 and the air outlet, which connects the first liquid injection passage 111 to the atmosphere, promotes the discharge of residual water in the water circuit, and ensures that there is no residual water in the water circuit.

[0070] In this example, the vent valve core 72 is provided with a third sealing ring 721 to seal the gap between the vent valve core 72 and the vent hole.

[0071] like Figure 1 , Figure 2 and Figure 4As shown, in some optional embodiments, a water inlet valve 4 is also included. The water inlet valve 4 is disposed on the water circuit plate 1 and has an outlet that corresponds one-to-one with the first liquid injection passage 111, the second liquid injection chamber 12 and the main water circuit 13.

[0072] In this embodiment, the automatic dispensing device also includes a water inlet valve 4, which is installed on the water circuit plate 1. The water inlet valve 4 has outlets that correspond one-to-one with the first liquid dispensing passage 111, the second liquid dispensing chamber 12 and the main water circuit 13, making the water circuit distribution more reasonable and clear.

[0073] In this example, a rubber sleeve 41 is provided at the connection between the water inlet valve 4 and the water circuit board 1.

[0074] like Figure 3 and Figure 4 As shown, in some optional embodiments, the water circuit board 1 is also provided with a liquid storage chamber 8 and an impeller chamber. The liquid storage chamber 8 and the drive pump 2 are located at opposite ends of the water circuit board 1. The liquid storage chamber 8 is connected to the first liquid injection passage 111. The drive pump 2 is provided with a suction port 21 and a discharge port 22. The suction port 21 is connected to the liquid storage chamber 8, and the discharge port 22 is connected to the impeller chamber. An impeller assembly 9 is provided in the impeller chamber. The impeller assembly 9 is used to mix the liquid flowing into the liquid storage chamber 8 and the water entering through the outlet corresponding to the first liquid injection passage 111.

[0075] In this embodiment, a liquid storage chamber 8 and an impeller chamber are also provided on the water circuit board 1. The liquid storage chamber 8 and the drive pump 2 are located at opposite ends of the water circuit board 1. The liquid storage chamber 8 is connected to the first liquid inlet passage 111. The drive pump 2 is provided with a suction port 21 and a discharge port 22. The suction port 21 is connected to the liquid storage chamber 8, and the discharge port 22 is connected to the impeller chamber. An impeller assembly 9 is provided inside the impeller chamber. The impeller assembly 9 is used to mix the liquid flowing into the liquid storage chamber 8 with the water entering through the outlet corresponding to the first liquid inlet passage 111, which facilitates the mixing of the liquid flowing into the liquid storage chamber 8 with the water, resulting in a better washing effect of the liquid added to the inner tub of the washing machine.

[0076] In this example, the explosion-proof valve 6 is installed at the outlet of the water inlet valve 4 corresponding to the first liquid injection passage 111, and is used to divert the water entering the impeller chamber from the water inlet valve 4.

[0077] like Figure 1 , Figure 3 and Figure 4 As shown, in some optional embodiments, the water circuit board 1 is also provided with a nozzle 10, which is connected to the impeller cavity and is used to spray the mixed liquid into the inner tub of the washing machine.

[0078] In this embodiment, a nozzle 10 is also provided on the water circuit board 1. The nozzle 10 is connected to the impeller cavity and is used to spray the mixed liquid into the inner tub of the washing machine, so that the spraying is more uniform and the washing effect is further improved.

[0079] In some optional embodiments, the water circuit board 1 is provided with an overflow port that communicates with the second liquid filling chamber 12 and is connected to the main water circuit 13. When the liquid overflows from the second liquid filling chamber 12, the overflowing liquid flows into the main water circuit 13.

[0080] In this embodiment, an overflow port is provided on the water circuit plate 1, which is connected to the second liquid inlet chamber 12. The overflow port is connected to the main water circuit 13. When the liquid overflows in the second liquid inlet chamber 12, the overflowing liquid flows into the main water circuit 13. When the water volume is too large, the liquid in the second liquid inlet chamber 12 can be easily diverted.

[0081] like Figure 1 , Figure 2 , Figure 4 , Figure 7 and Figure 8 As shown, on the other hand, this application also provides a washing machine that includes the aforementioned automatic dispensing device.

[0082] In manufacturing this automatic dispensing device, the water circuit plate 1 is provided with a first dispensing chamber 11, a second dispensing chamber 12, and a main water circuit 13. The second dispensing chamber 12 is connected to the main water circuit 13 through a second dispensing passage 121. The main water circuit 13 is used to connect with the inner tub of the washing machine. The drive pump 2 is installed on the water circuit plate 1 and is used to inject the liquid in the first dispensing chamber 11 into the inner tub of the washing machine through the first dispensing passage 111. The siphon cap assembly 3 is installed in the second dispensing chamber 12 and includes a hollow siphon column 32 and a siphon cap 31 sleeved on the siphon column 32. The hollow siphon column 32 is connected to the second dispensing passage 121. When the liquid level in the second dispensing chamber 12 is higher than the siphon liquid level, the siphon cap 31 floats up and opens the siphon port, so that the liquid in the second dispensing chamber 12 is injected into the second dispensing passage 121 through the hollow section of the siphon column 32 and flows into the main water circuit 13. Because the liquid in the second dispensing chamber 12 is dispensed through the siphon effect caused by the siphon cap assembly 3, it is not necessary to use two drive pumps 2 to drive the liquid flow in the first dispensing chamber 11 and the second dispensing chamber 12 respectively. This reduces the volume and energy consumption, and solves the problem in the prior art where the dispensing pump is set according to the type of detergent, which not only increases the energy consumption of the washing machine, but also increases the size of the dispensing box, making it difficult to meet users' requirements for multi-functional and compact washing machines.

[0083] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0084] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0085] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. An automatic dispensing device, characterized in that, include: Water circuit board (1) is provided with a first liquid injection chamber (11), a second liquid injection chamber (12) and a main water circuit (13). The second liquid injection chamber (12) is connected to the main water circuit (13) through a second liquid injection passage (121). The main water circuit (13) is used to connect with the inner tub of the washing machine. A drive pump (2) is installed on the water circuit board (1) to inject the liquid in the first liquid injection chamber (11) into the inner tub of the washing machine through the first liquid injection passage (111); The siphon cap assembly (3) is disposed in the second liquid injection chamber (12) and includes a hollow siphon column (32) and a siphon cap (31) sleeved on the siphon column (32). The siphon column (32) is connected to the second liquid injection passage (121). When the liquid level in the second liquid injection chamber (12) is higher than the siphon liquid level, the siphon cap (31) floats up and opens the siphon port, so that the liquid in the second liquid injection chamber (12) is injected into the second liquid injection passage (121) and flows into the main water passage (13).

2. The automatic dispensing device as described in claim 1, characterized in that, It also includes an explosion-proof valve (6), which connects the first liquid injection passage (111) and the main water passage (13), and includes: The outer casing (61) has a first through hole (611) on its top; A base (62) is disposed at the bottom of the housing (61) and connected to the housing (61), and a drain outlet (621) is provided on the base (62); A valve core assembly (63) is disposed on the base (62). The end of the valve core assembly (63) is used to extend into the first through hole (611) and can move relative to the base (62). When the end of the valve core assembly (63) extends into the first through hole (611), the explosion-proof valve (6) is closed. When the water pressure in the first liquid injection passage (111) is greater than the set pressure, the end of the valve core assembly (63) disengages from the first through hole (611), the first through hole (611) is connected to the drain outlet (621), the explosion-proof valve (6) is opened, and the water in the first liquid injection passage (111) is discharged into the main water passage (13).

3. The automatic dispensing device as described in claim 2, characterized in that, The base (62) has a second through hole (622) in the middle, and the valve core assembly (63) includes: A valve core (631) is used to extend into the first through hole (611); A valve stem (632), which is connected to the valve core (631), is used to extend into the second through hole (622); A spring (633) is sleeved on the outside of the valve stem (632), with one end connected to the valve core (631) and the other end connected to the base (62). When the water pressure in the first liquid injection passage (111) is greater than the set pressure, the spring (633) is compressed, the valve core (631) separates from the first through hole (611), the valve stem (632) extends into the second through hole (622), connecting the first through hole (611) and the drain outlet (621), and the explosion-proof valve (6) opens to discharge water into the main water passage (13).

4. An automatic dispensing device as described in claim 3, characterized in that, The outer shell (61) is provided with a retaining groove, and the base (62) is provided with a retaining ear (623) corresponding to the retaining groove. The outer shell (61) and the base (62) are connected by the retaining ear (623) and the retaining groove.

5. An automatic dispensing device as described in claim 1, characterized in that, The water circuit board (1) is provided with an air outlet, which is connected to the first liquid injection passage (111). A vent valve (7) is provided at the air outlet, and the vent valve (7) includes: A vent valve core (72) and a valve column (73) are integrally formed, and the diameter of the vent valve core (72) is larger than the diameter of the valve column (73). The vent valve core (72) matches the air outlet and is used to block the air outlet. The valve column (73) is used to extend out of the air outlet. A compression spring (71) is sleeved on the outside of the vent valve core (72) and valve column (73). One end is connected to the water circuit plate (1), and the other end is connected to the vent valve core (72). When water flows through the water circuit, the compression spring (71) is compressed by the water pressure and the vent valve core (72) isolates the first liquid injection passage (111) from the atmosphere. When the water injection ends, the compression spring (71) generates a restoring force, separating the vent valve core (72) from the air outlet. At this time, there is a gap between the valve column (73) and the air outlet, so that the first liquid injection passage (111) is connected to the atmosphere.

6. An automatic dispensing device as described in claim 1, characterized in that, It also includes an inlet valve (4), which is installed on the water circuit board (1). The inlet valve (4) has an outlet that corresponds to the first liquid injection passage (111), the second liquid injection chamber (12) and the main water circuit (13).

7. An automatic dispensing device as described in claim 6, characterized in that, The water circuit board (1) is also provided with a liquid storage chamber (8) and an impeller chamber. The liquid storage chamber (8) and the drive pump (2) are located at opposite ends of the water circuit board (1). The liquid storage chamber (8) is connected to the first liquid injection passage (111). The drive pump (2) is provided with a suction port (21) and a discharge port (22). The suction port (21) is connected to the liquid storage chamber (8). The discharge port (22) is connected to the impeller chamber. The impeller chamber is provided with an impeller assembly (9). The impeller assembly (9) is used to mix the liquid flowing into the liquid storage chamber (8) and the water entering through the outlet corresponding to the first liquid injection passage (111).

8. An automatic dispensing device as described in claim 7, characterized in that, The water circuit board (1) is also provided with a nozzle (10), which is connected to the impeller cavity and is used to spray the mixed liquid into the inner tub of the washing machine.

9. An automatic dispensing device as described in claim 1, characterized in that, The water circuit board (1) is provided with an overflow port that communicates with the second liquid injection chamber (12). The overflow port is connected to the main water circuit (13). When the liquid overflows from the second liquid injection chamber (12), the overflowing liquid flows into the main water circuit (13).

10. A washing machine, characterized in that, Includes an automatic dispensing device as described in any one of claims 1-9.

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