Search

CN-224229330-U - Control valve and drink machine

CN224229330UCN 224229330 UCN224229330 UCN 224229330UCN-224229330-U

Abstract

The application discloses a control valve and a drink machine, wherein the control valve comprises a valve body, a valve core, an accumulation sealing piece and a valve core, wherein the valve body is provided with a first channel, a second channel and a third channel which are mutually communicated, the first channel is provided with a first communication port communicated with the second channel, the third channel is provided with a second communication port communicated with the second channel, the valve core is movably arranged in the third channel, the accumulation sealing piece is arranged in the first channel and is used for sealing the first communication port under the action of preset pressure, the valve core is used for operably opening the second communication port so as to enable the second channel and the third channel to be communicated, or the valve core is used for operably closing the second communication port so as to enable the second channel and the third channel to be cut off. The control valve supports the drink machine to select different functions according to requirements, and user experience is improved.

Inventors

  • HUANG BIAO
  • WANG HONGMING
  • LU DEAN

Assignees

  • 咖乐美科技（苏州）有限公司

Dates

Publication Date
20260512
Application Date
20250513

Claims (17)

  1. 1. A control valve, comprising: The valve body is provided with a first channel, a second channel and a third channel which can be mutually communicated, the first channel is provided with a first communication port communicated with the second channel, and the third channel is provided with a second communication port communicated with the second channel; The valve core is movably arranged in the third channel; The pressure accumulation sealing piece is arranged in the first channel and is used for sealing the first communication port under the action of preset pressure; The spool is operable to open the second communication port to communicate the second passage and the third passage, or operable to close the second communication port to shut off the second passage and the third passage.
  2. 2. The control valve of claim 1, wherein the first passage and the third passage extend in the same direction, the spool being operable to move within the third passage.
  3. 3. The control valve according to claim 1 or 2, characterized in that the extending direction of the second passage intersects the extending direction of the first passage, the second passage being located between the first passage and the third passage.
  4. 4. The control valve of claim 1, further comprising a pressure adjustment knob and an elastic member providing the predetermined pressure, the pressure adjustment knob extending into the first passage, both ends of the elastic member abutting the pressure adjustment knob and the accumulator seal, respectively, the pressure adjustment knob being operable to move relative to the first passage to change an amount of deformation of the elastic member.
  5. 5. The control valve of claim 1, wherein the first passage is further provided with a first delivery opening, the third passage is further provided with a second delivery opening, the first delivery opening and the second delivery opening are both communicable to an external pipe, and a distance from the first delivery opening to the first communication opening is greater than a distance from the second delivery opening to the second communication opening.
  6. 6. The control valve of claim 5, wherein a third delivery opening is further provided in the third passage, the second delivery opening and the third delivery opening are disposed at intervals along the extending direction or the circumferential direction of the third passage, the second delivery opening is used for connecting with a beverage outlet, and the third delivery opening is used for connecting with a water supply pipeline.
  7. 7. The control valve according to claim 1, wherein a motor is provided at an end of the third passage away from the second communication port, the motor moves the valve element to open or close the second communication port, a center line of the second passage intersects with a rotation axis of the motor, and a movement range of the valve element is defined at a side of the center line of the second passage.
  8. 8. The control valve according to claim 2, wherein a first stepped portion is provided in the third passage, a second stepped portion is provided at an outer periphery of the spool, the spool closes the second communication port, and the second stepped portion abuts against the first stepped portion to restrict a limit position of the spool.
  9. 9. The control valve according to claim 1, wherein a first sealing ring and a baffle ring are sequentially sleeved on the valve core along the direction away from the second communication port, a first clamping groove radially penetrating through the third channel is formed in the valve body, a first opening clamp is connected to the first clamping groove, the first opening clamp is clamped on the valve core and is located on one side, away from the second communication port, of the baffle ring, and the first opening clamp limits the baffle ring through the first clamping groove.
  10. 10. The control valve according to claim 1, wherein the valve body comprises a first section and a second section which are mutually inserted, the first channel and the second channel are arranged on the first section, the third channel is arranged on the second section, a first step part is arranged in the third channel, the valve core comprises an end sealing surface, and the end sealing surface is abutted with the first step part to close the second communication port.
  11. 11. A beverage machine comprising: A brewer comprising a brewing cylinder, an upper piston and a lower piston, the upper piston and the lower piston respectively engaging with both ends of the brewing cylinder to form a brewing chamber; a water supply line selectively communicating with the brew chamber to supply water to the brew chamber; a beverage outlet for outputting liquid generated from the brewing chamber; Characterized in that a control valve according to one of claims 1 to 10 is connected between the water supply line and the brewing chamber.
  12. 12. The beverage maker of claim 11, wherein the first and third passages are each connected to the beverage outlet, the second passage is connected to the brew chamber, the valve element controllably opens the second communication port to fluidly unblock the brew chamber from the third passage, the brew chamber produces a first beverage, the valve element controllably closes the second communication port to fluidly blocked communication of the brew chamber from the first passage, the brew chamber produces a second beverage, and the first beverage has a different concentration than the second beverage.
  13. 13. The beverage maker of claim 12, wherein a waterway switching assembly is provided on the water supply, a first water supply branch and a second water supply branch are connected between the waterway switching assembly and the brewing chamber, the first water supply branch is connected to the lower piston, the second water supply branch is connected to the upper piston through the control valve, and the waterway switching assembly controllably communicates the second water supply branch and the third passage so that the second water supply branch supplies water to the brewing chamber through the second passage in a condition that the second communication port is opened.
  14. 14. The beverage maker of claim 12, wherein the second passage is connected to the upper piston, wherein the first delivery opening of the first passage and the second delivery opening of the third passage are both connected to an extension tube, and wherein the extension tube is connected to the beverage outlet.
  15. 15. The beverage machine of claim 12, wherein the pressure of the brewing chamber is less than 4bar during the generation of the first beverage and the pressure of the brewing chamber is in the range of 6bar to 12bar during the generation of the second beverage.
  16. 16. The beverage machine of claim 11, wherein the first passage is connected to the beverage outlet, the third passage is connected to the water supply line, the second passage is connected to the brew chamber, the valve element controllably opens the second communication port, the water supply line communicates with the third passage to supply water flow to the brew chamber in a first direction, the valve element controllably closes the second communication port, the brew chamber is in fluid communication with the first passage, and the blocked communication fluid flows in a direction opposite to the first direction.
  17. 17. The beverage machine of claim 16, wherein the third passage has a second delivery opening and a third delivery opening, wherein the second delivery opening is connected to the beverage outlet and the third delivery opening is connected to the water supply line, wherein the valve element opens the second communication port, wherein the brew chamber is in fluid communication with the third passage in a direction opposite the first direction.

Description

Control valve and drink machine Technical Field The utility model relates to the technical field of beverage preparation, in particular to a control valve and a beverage machine. Background In related beverage preparation processes, particularly in automatic coffee machines, a brewer is often included. Comprises an upper piston, a lower piston and a brewing cylinder, which together form a sealed brewing chamber for filling beverage particles such as coffee powder. The upper piston is provided with an outflow port, and a pressure valve is arranged at the outflow port. The pressure valve comprises a spring which presses against the valve ball to close the outflow opening. When using such a coffee machine for making coffee beverages, the pressure valve is first closed by the spring, the pressure in the brewing chamber increases due to the inflow of hot water, until the pressure valve opens, and the coffee beverage can flow into the coffee cup through the outflow opening. The design can effectively extract the flavor and grease of the coffee, thereby producing high-quality coffee. That is, the existing coffee maker can only make the pressurized coffee using the pressure valve of the brewer, but cannot achieve other functions through the pressure valve. However, in order to realize various functional modes, the related art group has an improved multi-channel valve, but it is still difficult to combine the structure simplification and the pressure flow path switching function. Disclosure of utility model The utility model aims to provide a control valve which has a simple structure and can be adapted to different functions of a drink machine. Another object of the present utility model is to provide a beverage machine that can select different functions. To achieve one of the above objects, the present utility model provides a control valve comprising: The valve body is provided with a first channel, a second channel and a third channel which are communicated with each other, the first channel is provided with a first communication port communicated with the second channel, and the third channel is provided with a second communication port communicated with the second channel; The valve core is movably arranged in the third channel; The pressure accumulation sealing piece is arranged in the first channel and is used for sealing the first communication port under the action of preset pressure; The spool is operable to open the second communication port to communicate the second passage and the third passage, or operable to close the second communication port to shut off the second passage and the third passage. Compared with the prior art, the utility model has the beneficial effects that the control valve is arranged to replace the existing pressure accumulation valve, and different functions can be selected by adapting to the drink machine only by one valve, and a plurality of valves or a plurality of output channels are not required to be arranged for control, so that the volume and the cost of the machine are reduced. Through the collaborative design of the valve core and the pressure accumulation sealing piece, the problems of redundant valve structure, low switching efficiency and the like in the traditional beverage machine are solved, the integrated advantage is achieved, the reliability, the sanitation and the economy of the equipment are obviously improved, and the valve core and the pressure accumulation sealing piece are suitable for fluid control of various beverage machines. As a further refinement of an embodiment of the utility model, the first channel and the third channel extend in the same direction, the spool being operable to move within the third channel. As a further improvement of an embodiment of the present utility model, the extending direction of the second channel intersects with the extending direction of the first channel, the second channel being located between the first channel and the third channel. As a further improvement of an embodiment of the present utility model, the pressure adjusting device further comprises a pressure adjusting knob and an elastic element for providing the preset pressure, wherein the pressure adjusting knob extends into the first channel, two ends of the elastic element are respectively abutted against the pressure adjusting knob and the pressure accumulating sealing element, and the pressure adjusting knob is operable to move relative to the first channel to change the deformation amount of the elastic element. As a further improvement of an embodiment of the utility model, the first channel is further provided with a first conveying opening, the third channel is further provided with a second conveying opening, the first conveying opening and the second conveying opening can be communicated with an external pipe, and the distance from the first conveying opening to the first communication opening is larger than the distance from the second conveying