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CN-224219946-U - Mechanical pressure-variable waterway structure of coffee machine and coffee machine

CN224219946UCN 224219946 UCN224219946 UCN 224219946UCN-224219946-U

Abstract

The utility model relates to a mechanical variable-pressure waterway structure and a coffee machine, wherein a distribution waterway is used for receiving liquid input by a water supply waterway and distributing the liquid to a variable-pressure waterway and a steam waterway, the variable-pressure waterway is used for regulating the pressure of the liquid input by the distribution waterway and inputting the liquid to an extraction waterway by a set water pressure, the extraction waterway is used for heating the input liquid to output hot water, the steam waterway is used for heating the input liquid to generate steam, a drainage waterway is used for discharging wastewater and/or discharging system pressure and/or condensed water, the water supply waterway comprises a water tank, a first two-way electromagnetic valve, a first three-way joint and a water pump, the water inlet and the water outlet of the first two-way electromagnetic valve are respectively communicated with an external water source and a first water inlet of the first three-way joint through a first one-way valve and a second water inlet of the first three-way joint, and the water outlet of the first three-way joint is communicated with the water inlet of the water pump through the second two-way valve.

Inventors

  • YUAN ZEPENG
  • ZENG DEMAN
  • XU WEI

Assignees

  • 佛山市微宇宙电器制造有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (9)

  1. 1. The mechanical pressure-variable waterway structure of the coffee machine comprises a water supply waterway (10), a pressure-variable waterway (20), a distribution waterway (30), a steam waterway (40), an extraction waterway (50) and a drainage waterway (60), and is characterized in that, The distribution waterway (30) is used for receiving the liquid input by the water supply waterway (10) and distributing the liquid to the pressure-variable waterway (20) and the steam waterway (40), the pressure-variable waterway (20) is used for regulating the pressure of the liquid input by the distribution waterway (30) and inputting the liquid to the extraction waterway (50) with a set water pressure, the extraction waterway (50) is used for heating the input liquid to output hot water to the coffee extraction module, the steam waterway (40) is used for heating the input liquid to generate steam, and the drainage waterway (60) is used for discharging waste water and/or system pressure relief and/or condensed water discharge; The water supply waterway (10) comprises a water tank (11), a first two-way electromagnetic valve (12), a first three-way joint (13) and a water pump (14), wherein a water inlet and a water outlet of the first two-way electromagnetic valve (12) are respectively communicated with an external water source and a first water inlet of the first three-way joint (13) through a two-way pipe, a water outlet of the water tank (11) is sequentially communicated with a second water inlet of the first three-way joint (13) through a first one-way valve (15) and a two-way pipe, and a water outlet of the first three-way joint (13) is communicated with the outside of the water inlet of the water pump (14) through a two-way pipe.
  2. 2. The mechanically variable pressure waterway structure of coffee machine according to claim 1, characterized in that said water pump (14) is a rotary pump.
  3. 3. The mechanical variable-pressure waterway structure of coffee machine according to claim 1 or 2, characterized in that said first three-way joint (13) is a two-way three-way joint structure and said first one-way valve (15) is a two-way one-way valve.
  4. 4. A mechanical variable-pressure waterway structure of a coffee machine according to claim 3, characterized in that said dispensing waterway (30) comprises a second check valve (31), a first protection valve (32) and a second two-way electromagnetic valve (33), said first protection valve (32) is of a three-in-three-out structure, the water outlet of said water pump (14) is communicated with the water inlet of said first protection valve (32) through the second check valve (31), the first water outlet of said first protection valve (32) is communicated with said variable-pressure waterway (20), the second water outlet of said first protection valve (32) is communicated with said water discharge waterway (60), and the third water outlet of said first protection valve (32) is communicated with said steam waterway (40) through said second two-way electromagnetic valve (33).
  5. 5. The mechanical variable-pressure waterway structure of coffee machine according to claim 4, characterized in that said variable-pressure waterway (20) comprises a variable-pressure valve (21), a third two-way solenoid valve (22), a second three-way joint (23) and a first three-way solenoid valve (24), a first water outlet of said first protection valve (32) is communicated with a water inlet of said second three-way joint (23), a second water outlet of said second three-way joint (23) is communicated with a water inlet of said variable-pressure valve (21) through said third two-way solenoid valve (22), a water outlet of said variable-pressure valve (21) is communicated with a water inlet of said first three-way solenoid valve (24), a second water outlet of said first three-way solenoid valve (24) is communicated with a water inlet of said water tank (11), a first water outlet of said first three-way solenoid valve (24) is communicated with said water discharge waterway (60), and a first water outlet of said second three-way joint (23) is communicated with said extraction waterway (50).
  6. 6. The mechanical variable-pressure waterway structure of coffee machine according to claim 5, characterized in that said extraction waterway (50) comprises a heating pot (51), a water outlet solenoid valve (52), a flow regulating valve (53), a pressure gauge (54) and a fourth two-way solenoid valve (55), said water outlet solenoid valve (52) is a three-way solenoid valve, a first water outlet of said second three-way joint (23) is communicated with a water inlet of said heating pot (51), a first water outlet of said heating pot (51) is communicated with a water inlet of said water outlet solenoid valve (52), a second water outlet of said water outlet solenoid valve (52) is communicated with a water inlet of said water discharge waterway (60), a first water outlet of said water outlet solenoid valve (52) is communicated with a water inlet of said flow regulating valve (53), and a water inlet of said flow regulating valve (53) is also communicated with said pressure gauge (54), a second water outlet of said heating pot (51) is communicated with a brewing water outlet of said heating pot (51) through said fourth two-way solenoid valve (55).
  7. 7. The mechanically variable pressure waterway structure of a coffee machine according to claim 6, characterized in that said water discharge waterway (60) comprises a third three-way joint (61) and a water discharge nozzle (62), said water discharge nozzle (62) is of a three-in one-out structure, a second water outlet of said first protection valve (32) is communicated with a first water inlet of said third three-way joint (61), a second water inlet of said third three-way joint (61) is communicated with said steam waterway (40), a water outlet of said third three-way joint (61) is communicated with a first water inlet of said water discharge nozzle (62), a second water inlet of said water discharge nozzle (62) is communicated with a second water outlet of said water discharge solenoid valve (52), and a third water inlet of said water discharge nozzle (62) is communicated with a first water outlet of said first three-way solenoid valve (24).
  8. 8. The mechanically variable pressure waterway structure of coffee machine according to claim 7, characterized in that said steam waterway (40) comprises a steam boiler (41), a second protection valve (42), an exhaust valve (43) and a fifth two-way electromagnetic valve (44), a water inlet of said steam boiler (41) is communicated with a water outlet of said second two-way electromagnetic valve (33), said steam boiler (41) is communicated with a second water inlet of said third three-way joint (61) through said second protection valve (42), said steam boiler (41) is communicated with the external atmosphere through said exhaust valve (43), and said steam boiler (41) is communicated with a steam outlet through said fifth two-way electromagnetic valve (44).
  9. 9. A coffee machine comprising a mechanically variable pressure waterway structure according to any of claims 1-8.

Description

Mechanical pressure-variable waterway structure of coffee machine and coffee machine Technical Field The utility model relates to the technical field of coffee machines, in particular to a mechanical pressure-variable waterway structure of a coffee machine and the coffee machine. Background The mechanical variable-pressure waterway motor on the market is basically in a vibration pump structure, tap water is switched by a two-way electromagnetic valve and a water tank is switched under a mode of the variable-pressure waterway motor, but because the working characteristics of the rotary vane pump are different by the vibration pump, if the three-way electromagnetic valve is adopted to switch the tap water and the water tank, when the variable-pressure waterway motor is in a low-pressure state, the rotary vane pump can be far more than the water of a water pump due to inconsistent water inflow quantity of a water inlet end and a water outlet end, and the caliber of the common three-way electromagnetic valve is about 1.2-3.0 mm, so that the water quantity passing through the electromagnetic valve is small, the water supply of the water pump is insufficient, and the abnormal sound and the scalding influence life of a motor pump head is caused. Disclosure of utility model In view of the foregoing, it is desirable to provide a mechanical variable-pressure waterway structure of a coffee machine and a coffee machine. The first aspect of the application provides a mechanical variable pressure waterway structure of a coffee machine, comprising a water supply waterway, a variable pressure waterway, a distribution waterway, a steam waterway, an extraction waterway and a drainage waterway; The distribution waterway is used for receiving the liquid input by the water supply waterway and distributing the liquid to the pressure-variable waterway and the steam waterway, the pressure-variable waterway is used for regulating the pressure of the liquid input by the distribution waterway and inputting the liquid to the extraction waterway with a set water pressure, the extraction waterway is used for heating the input liquid to output hot water to the coffee extraction module, the steam waterway is used for heating the input liquid to generate steam, and the drainage waterway is used for discharging waste water and/or system pressure relief and/or condensate water discharge; The water supply waterway comprises a water tank, a first two-way electromagnetic valve, a first three-way joint and a water pump, wherein a water inlet and a water outlet of the first two-way electromagnetic valve are respectively communicated with an external water source and a first water inlet of the first three-way joint through two branch pipes, a water outlet of the water tank is sequentially communicated with a second water inlet of the first three-way joint through the first one-way valve and the two branch pipes, and a water outlet of the first three-way joint is communicated with the water inlet of the water pump through the two branch pipes. In one embodiment, the water pump is a rotary pump. In one embodiment, the first three-way joint is a two-way three-way joint structure, and the first one-way valve is a two-way one-way valve. In one embodiment, the distribution waterway comprises a second one-way valve, a first protection valve and a second two-way electromagnetic valve, the first protection valve is of a three-in and three-out structure, the water outlet of the water pump is communicated with the water inlet of the first protection valve through the second one-way valve, the first water outlet of the first protection valve is communicated with the variable-pressure waterway, the second water outlet of the first protection valve is communicated with the drainage waterway, and the third water outlet of the first protection valve is communicated with the steam waterway through the second two-way electromagnetic valve. In one embodiment, the variable-pressure waterway comprises a variable-pressure valve, a third two-way electromagnetic valve, a second three-way joint and a first three-way electromagnetic valve, wherein a first water outlet of the first protection valve is communicated with a water inlet of the second three-way joint, a second water outlet of the second three-way joint is communicated with a water inlet of the variable-pressure valve through the third two-way electromagnetic valve, a water outlet of the variable-pressure valve is communicated with a water inlet of the first three-way electromagnetic valve, a second water outlet of the first three-way electromagnetic valve is communicated with a water inlet of the water tank, a first water outlet of the first three-way electromagnetic valve is communicated with the drainage waterway, and a first water outlet of the second three-way joint is communicated with the extraction waterway. In one embodiment, the extraction waterway comprises a heating pot, a water outlet electromagnetic