Water outlet pressure regulating structure of coffee machine

Abstract

The utility model belongs to the technical field of coffee machines, and particularly relates to a water outlet pressure regulating structure. According to the water outlet pressure adjusting structure of the coffee machine, the flow dividing channels are arranged in the circumferential direction of the pressure adjusting rotating base, and the flow dividing pressure adjusting structures are arranged in the flow dividing channels, so that the flow dividing channels can be set to be in water outlet modes with different pressures and flows according to requirements; when the pressure-regulating rotating seat rotates in the fixed seat, any flow-dividing channel can be independently communicated with the flow-dividing water outlet structure, so that the water outlet mode for making the corresponding coffee is quickly switched according to the type of the made coffee, a user does not need to carry out tedious regulation steps every time the coffee is made, and only the pressure-regulating rotating seat needs to be simply rotated; the water outlet pressure and flow can be quickly adjusted by adjusting the water outlet pressure and flow, the operation process is greatly simplified, the accuracy and consistency of the water outlet pressure and flow during brewing each time are ensured, and therefore the taste and quality stability of coffee are improved, and the use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to coffee machine technical field, and specifically relates to water outlet pressure regulating structure. BACKGROUND

[0002] In the existing coffee machine technology, the adjustment of water pressure and flow rate often relies on manual operation. Traditional coffee machines are usually equipped with adjustment knobs or levers, and users need to manually adjust these devices according to personal taste and the type of coffee beans to achieve the desired brewing effect. However, this manual adjustment method has many inconveniences. First of all, it is necessary to perform a tedious adjustment procedure every time coffee is made, which greatly reduces the convenience of use. Secondly, manual adjustment cannot guarantee the precise consistency of water pressure and flow rate every time brewing is performed, thereby affecting the taste and quality stability of coffee. In addition, for users who are not good at adjusting or lack experience, manual adjustment increases the difficulty and uncertainty of operation, affecting the stability of coffee production. SUMMARY

[0003] The utility model aims at overcoming the problem that the existing coffee machine needs manual adjustment of water pressure and flow rate every time different types of coffee are made, which leads to inconvenient operation, and provides a coffee machine water outlet pressure regulating structure that can pre-set multiple different water outlet modes of pressure and flow rate and can freely switch different water outlet modes according to requirements.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The coffee machine water outlet pressure regulating structure comprises a fixed seat and a pressure regulating rotating seat. The fixed seat is provided with a rotating cavity on the inner side, and a water inlet interface structure and a shunt water outlet structure communicating with the rotating cavity. The pressure regulating rotating seat is rotatably arranged in the rotating cavity, and is provided with a shunt chamber on the inner side and a water inlet channel, a straight water outlet structure and a plurality of shunt channels communicating with the shunt chamber respectively. The plurality of shunt channels are arranged around the outer periphery of the shunt chamber respectively. A shunt pressure regulating structure is arranged in the shunt channel. The shunt pressure regulating structure is used for adjusting the flow rate of liquid flowing out of the shunt channel. The water inlet interface structure communicates with the water inlet channel. By controlling the relative rotation of the pressure regulating rotating seat, any shunt channel can be connected with the shunt water outlet structure to realize the adjustment of different liquid outlet pressures of the straight water outlet structure.

[0006] Compared with the prior art, the coffee machine water outlet pressure regulating structure has the advantages that: the plurality of shunt channels can be set as different pressure and flow rate water outlet modes according to requirements, and when the pressure regulating rotating seat rotates in the fixed seat, any shunt channel can be individually communicated with the shunt water outlet structure, so that the water outlet mode for making corresponding coffee can be quickly switched according to the type of coffee, the user does not need to perform complicated adjustment steps every time when making coffee, and only needs to simply rotate the pressure regulating rotating seat, so that the water outlet pressure and flow rate can be quickly adjusted, the operation process is greatly simplified, the water outlet pressure and flow rate are accurately consistent every time when brewing, the taste and quality stability of coffee are improved, and the use effect is good.

[0007] Further, the shunt chamber and the shunt channel are communicated through a shunt hole, the shunt channel is provided with a first internal thread, the shunt pressure regulating structure comprises a shunt valve plug, a shunt spring and a threaded adjusting piece, the shunt spring is abutted between the shunt valve plug and the threaded adjusting piece, the shunt valve plug is abutted on the shunt hole through the action of the shunt spring, the elastic pre-pressure of the shunt spring on the shunt valve plug in the shunt hole can be adjusted by screwing the threaded adjusting piece, so that the water outlet pressure of the shunt chamber flowing to the shunt channel is controlled, and finally the flow rate of liquid flowing through the shunt channel is adjusted; in this way, the shunt pressure regulating structure is simple in setting mode and convenient in adjustment operation.

[0008] Further, the shunt valve plug comprises a plug head and a plug rod connected to one side of the plug head, and the shunt spring is sleeved on the plug rod and abutted on one end of the plug head; in this way, the abutted action of the shunt spring on the shunt valve plug is simple, the plug head is uniformly stressed as a whole, and the water outlet pressure control effect of the shunt hole is good.

[0009] Further, the outer diameter of the shunt valve plug is smaller than the inner diameter of the shunt channel, the threaded adjusting piece is provided with a first water outlet hole communicating the shunt channel and the outside in the axial direction, and the first water outlet hole is communicated with the shunt water outlet structure; the shunt water outlet structure comprises a shunt water outlet groove arranged in the radial direction in the fixed seat, a shunt water outlet pipe arranged in the vertical direction and communicated with the shunt water outlet groove, and a shunt water outlet valve plug and a shunt push spring arranged in the shunt water outlet groove, the shunt water outlet groove is open at the inner end, the shunt water outlet valve plug is abutted on the threaded adjusting piece through the action of the shunt push spring, the shunt water outlet valve plug is provided with a second water outlet hole communicated with the first water outlet hole, and the shunt water outlet pipe is communicated with the second water outlet hole; in this way, the shunt water outlet structure is communicated with the shunt channel through the first water outlet hole, the flow rate of liquid flowing through the shunt channel is adjusted, and finally the different liquid outlet pressures of the direct water outlet structure are controlled.

[0010] Further, the outer end of the shunt hole is provided with a tapered guide part, the outer end of the shunt outlet valve plug is in the shape of a fan, and when any of the shunt channels is rotated to a position relative to the shunt outlet structure, the shunt outlet valve plug is abutted in the tapered guide part of the outer end of the shunt hole by the action of the shunt push spring, so that the first outlet hole and the second outlet hole are communicated; in this way, when each shunt channel is rotated to a position relative to the shunt outlet structure, the shunt push spring forms a positioning cooperation with the tapered guide part of the outer end of the shunt hole by pushing the shunt outlet valve plug, and the rebound effect generated by rotation to the position facilitates the user to understand that each shunt channel is docked to a position relative to the shunt outlet structure, and facilitates the user to use.

[0011] Further, the rotating movable cavity is open at the bottom, the pressure regulating rotating seat is assembled in the rotating movable cavity through the bottom, the pressure regulating rotating seat is provided with a rotating transmission part at the top, the rotating movable cavity is provided with an avoiding hole for the rotating transmission part to extend out at the top, and a fixing ring is further included, the inner diameter of the fixing ring is smaller than the inner diameter of the bottom opening of the rotating movable cavity, and the fixing ring is assembled in the bottom of the fixing seat by screw connection to fix the pressure regulating rotating seat in the rotating movable cavity; in this way, the way of fixing the pressure regulating rotating seat in the rotating movable cavity is simple and facilitates product production and assembly.

[0012] Further, the rotating movable cavity is provided with a plurality of positioning protrusions in the circumferential direction at the top, the positioning protrusions are arranged in the radial direction, the pressure regulating rotating seat is provided with a positioning groove at the top corresponding to the positioning protrusions, each of the shunt outlet structures is provided with one positioning protrusion, and when any of the shunt channels is rotated to a position relative to the shunt outlet structure, the positioning protrusions are positioned and cooperated with the corresponding positioning grooves; in this way, when each shunt channel is rotated to a position relative to the shunt outlet structure, the positioning protrusions are positioned and cooperated with the corresponding positioning grooves of the shunt channels, so as to avoid the idling of the pressure regulating rotating seat and affect the normal water outlet state of the product.

[0013] Further, the shunt channels and the shunt pressure regulating structure are provided with at least three groups and are uniformly distributed on the outer periphery of the pressure regulating rotating seat; in this way, the pressure regulating rotating seat has at least three different water outlet modes of pressure and flow, can quickly switch and make a large number of different coffee water outlet modes, and is convenient to use.

[0014] Further, the pressure regulating rotating seat is provided with a flow guide groove arranged in a ring shape on the outside, and the outer end of the water inlet channel is located in the flow guide groove; in this way, when the pressure regulating rotating seat is rotated to any position, the communication between the water inlet channel and the water inlet interface structure is ensured.

[0015] Further, the pressure regulating rotating seat is provided with a sealing ring between the upper side of the flow guide groove, the flow guide groove and the shunt passage and the lower side of the shunt passage, which is used to form a sealing fit with the rotating movable cavity when the pressure regulating rotating seat is assembled in the rotating movable cavity; in this way, the water inlet passage and the shunt passage are sealed and isolated, so as to avoid affecting the water outlet mode of different pressures and flow rates of the shunt passage.

[0016] Further, the shunt chamber is provided with a straight water outlet hole at the lower end, the pressure regulating rotating seat is provided with a water outlet connecting seat at the bottom corresponding to the straight water outlet hole, the water outlet connecting seat is provided with a first threaded connecting hole with upper and lower openings, the straight water outlet structure includes a straight water outlet pipe, a straight push spring and a first positioning ring arranged in the first threaded connecting hole, the first threaded connecting hole is provided with a first abutting portion at the outer periphery of the upper end of the straight water outlet pipe, the first positioning ring is threadedly connected in the first threaded connecting hole, and the straight push spring is abutted at the first abutting portion and the first positioning ring at both ends, so that the upper end of the straight water outlet pipe is abutted at the bottom of the pressure regulating rotating seat and communicates with the straight water outlet hole, and the lower end of the straight water outlet pipe extends out of the lower side of the water outlet connecting seat through the inner hole of the first positioning ring; in this way, the straight water outlet structure is simple in arrangement and good in water outlet effect.

[0017] Further, the water inlet interface structure includes a second threaded connecting hole arranged in the fixed seat and open at the side, and a water inlet pipe, a water inlet push spring and a second positioning ring arranged in the second threaded connecting hole, the fixed seat is provided with a water inlet hole communicating with the shunt chamber and the second threaded connecting hole, the water inlet pipe is provided with a second abutting portion at the outer periphery of the inner end, the second positioning ring is threadedly connected in the second threaded connecting hole, and the water inlet push spring is abutted at the second abutting portion and the second positioning ring at both ends, so that the inner end of the water inlet pipe is abutted at the inner side of the fixed seat and communicates with the water inlet hole, and the outer end of the water inlet pipe extends out of the outer side of the fixed seat through the inner hole of the second positioning ring; in this way, the straight water outlet structure is simple in arrangement and good in water inlet effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the coffee machine water outlet pressure regulating structure.

[0019] Figure 2 It is an exploded view of the coffee machine water outlet pressure regulating structure.

[0020] Figure 3 It is a sectional view of the coffee machine water outlet pressure regulating structure.

[0021] Figure 4 It is Figure 3 It is a local enlarged view of area A.

[0022] Figure 5 It is a bottom view of the fixed seat.

[0023] Label explanation: fixed seat 1, pressure regulating rotating seat 2, rotating movable cavity 11, water inlet interface structure 3, shunt water outlet structure 4, shunt chamber 21, water inlet channel 22, straight flow water outlet structure 7, shunt channel 24, shunt pressure regulating structure 5, shunt hole 25, first internal thread 241, shunt valve plug 51, shunt spring 52, threaded adjusting part 53, plug head 511, plug rod 512, first water outlet hole 531, shunt water outlet groove 41, shunt water outlet pipe 42, shunt water outlet valve plug 43, shunt push spring 44, second water outlet hole 45, conical guide part 251, rotating transmission part 28, avoiding hole 18, fixed ring 16, positioning protrusion 29, positioning groove 19, flow guide groove 26, sealing ring 27, straight flow water outlet hole 211, water outlet connecting seat 6, first threaded connecting hole 61, straight flow water outlet pipe 71, straight flow push spring 72, first positioning ring 73, first abutment part 74, second threaded connecting hole 31, water inlet pipe 32, water inlet push spring 33, second positioning ring 34, water inlet hole 17, second abutment part 35. DETAILED DESCRIPTION

[0024] The specific embodiments of the present application will be described below with reference to the accompanying drawings. In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] Reference Figures 1 to 5 The coffee machine water outlet pressure regulating structure of the present application comprises a fixed seat 1 and a pressure regulating rotating seat 2. The fixed seat 1 is provided with a rotating movable cavity 11 on the inner side, and a water inlet interface structure 3 and a shunt water outlet structure 4 communicating with the rotating movable cavity 11. The pressure regulating rotating seat 2 is rotatably arranged in the rotating movable cavity 11, and is provided with a shunt chamber 21 on the inner side, and a water inlet channel 22, a straight flow water outlet structure 7 and a plurality of shunt channels 24 respectively communicating with the shunt chamber 21. The plurality of shunt channels 24 are respectively arranged around the outer periphery of the shunt chamber 21. The shunt channel 24 is provided with a shunt pressure regulating structure 5. The shunt pressure regulating structure 5 is used to adjust the flow rate of the liquid flowing out of the shunt channel 24. When the shunt pressure regulating structure 5 is adjusted to have a greater pressure, the flow rate of the liquid flowing out of the shunt channel 24 is smaller. When the shunt pressure regulating structure 5 is adjusted to have a smaller pressure, the flow rate of the liquid flowing out of the shunt channel 24 is greater. The water inlet interface structure 3 communicates with the water inlet channel 22. By controlling the relative rotation of the pressure regulating rotating seat 2, any shunt channel 24 can be made to communicate with the shunt water outlet structure 4, so as to realize the adjustment of the different liquid outlet pressures of the straight flow water outlet structure 7.

[0026] Compared with the prior art, the coffee machine water outlet pressure regulating structure has the advantages that: the plurality of shunt passages 24 can be set as different water outlet modes of pressure and flow according to requirements, and when the pressure regulating rotating seat 2 rotates in the fixed seat 1, any shunt passage 24 can be individually communicated with the shunt water outlet structure 4, so that the water outlet mode of making corresponding coffee can be quickly switched according to the type of coffee, the user does not need to perform complicated adjustment steps every time when making coffee, and only needs to simply rotate the pressure regulating rotating seat 2, so that the water pressure and flow can be quickly adjusted, the operation process is greatly simplified, and the accuracy of the water pressure and flow is ensured every time when brewing, so that the taste and quality stability of coffee are improved, and the use effect is good.

[0027] Referring to Figures 2 to 5 In an embodiment, the shunt chamber 21 and the shunt passage 24 are communicated through the shunt hole 25, the shunt passage 24 is provided with a first internal thread 241, the shunt pressure regulating structure 5 includes a shunt valve plug 51, a shunt spring 52 and a threaded adjusting piece 53, the shunt spring 52 is abutted between the shunt valve plug 51 and the threaded adjusting piece 53, the shunt valve plug 51 is abutted on the shunt hole 25 through the action of the shunt spring 52, the elastic pre-pressure of the shunt spring 52 on the shunt hole 25 acting on the shunt valve plug 51 can be adjusted by screwing the threaded adjusting piece 53, so that the water pressure of the shunt chamber 21 flowing to the shunt passage 24 is controlled, and finally the flow of the liquid flowing out through the shunt passage 24 is adjusted, specifically, when the elastic pre-pressure of the shunt valve plug 51 acting on the shunt hole 25 is greater, the water pressure of the shunt chamber 21 flowing to the shunt passage 24 is smaller, so that the flow of the liquid flowing out through the shunt passage 24 is smaller, and when the elastic pre-pressure of the shunt valve plug 51 acting on the shunt hole 25 is smaller, the water pressure of the shunt chamber 21 flowing to the shunt passage 24 is greater, so that the flow of the liquid flowing out through the shunt passage 24 is greater, through the arrangement, the shunt pressure regulating structure 5 is simple in arrangement mode and convenient in adjustment operation.

[0028] Referring to Figures 1 to 5 In an embodiment, the shunt valve plug 51 includes a plug head 511 and a plug rod 512 connected to one side of the plug head 511, and the shunt spring 52 is sleeved on the plug rod 512 and abutted on one end of the plug head 511, through the arrangement, the shunt spring 52 is abutted on the shunt valve plug 51 in a simple mode, the plug head 511 is uniformly stressed as a whole, and the control effect of the water pressure of the shunt hole 25 is good.

[0029] Referring to Figures 1 to 5In an embodiment, the shunt valve plug 51 has an outer diameter smaller than the inner diameter of the shunt passage 24, the threaded adjusting member 53 is provided with a first water outlet hole 531 in communication with the shunt passage 24 and the outside in the axial direction, and the first water outlet hole 531 is in communication with the shunt water outlet structure 4. The shunt water outlet structure 4 comprises a shunt water outlet groove 41 arranged in the radial direction on the fixed base 1, a shunt water outlet pipe 42 arranged vertically and in communication with the shunt water outlet groove 41, and a shunt water outlet valve plug 43 and a shunt push spring 44 arranged in the shunt water outlet groove 41. The shunt water outlet groove 41 is open at one end close to the shunt passage 24. The shunt water outlet valve plug 43 is in abutment with the threaded adjusting member 53 by the action of the shunt push spring 44. The shunt water outlet valve plug 43 is provided with a second water outlet hole 45 in communication with the first water outlet hole 531. The shunt water outlet pipe 42 is in communication with the second water outlet hole 45. In this way, the shunt water outlet structure 4 is in communication with the shunt passage 24 through the first water outlet hole 531. The flow rate of the liquid flowing out of the shunt passage 24 is adjusted, so as to finally control the different liquid outlet pressures of the straight-through water outlet structure 7.

[0030] Referring to Figures 1 to 5 In an embodiment, the shunt hole 25 is provided with a tapered guide portion 251 at the outer end, and the shunt water outlet valve plug 43 has a fan-shaped outer end. When each shunt passage 24 is rotated into position relative to the shunt water outlet structure 4, the shunt water outlet valve plug 43 is in abutment with the tapered guide portion 251 at the outer end of the shunt hole 25 by the action of the shunt push spring 44, so as to make the first water outlet hole 531 in communication with the second water outlet hole 45. In this way, when each shunt passage 24 is rotated into position relative to the shunt water outlet structure 4, the shunt push spring 44 forms a positioning cooperation with the tapered guide portion 251 at the outer end of the shunt hole 25 by pushing the shunt water outlet valve plug 43. The rebound effect generated by the rotation into position facilitates the user to understand that each shunt passage 24 is docked into position relative to the shunt water outlet structure 4, and facilitates the user to use.

[0031] Referring to Figures 2 to 5 In an embodiment, the rotating movable cavity 11 is open at the bottom, the pressure regulating rotating seat 2 is assembled in the rotating movable cavity 11 through the bottom, the pressure regulating rotating seat 2 is provided with a rotating transmission portion 28 at the top, and the rotating movable cavity 11 is provided with an avoiding hole 18 for the rotating transmission portion 28 to extend out. The fixed ring 16 has an inner diameter smaller than the inner diameter of the bottom opening of the rotating movable cavity 11. The fixed ring 16 is assembled on the bottom of the fixed base 1 by screw connection, so as to fix the pressure regulating rotating seat 2 in the rotating movable cavity 11. In this way, the pressure regulating rotating seat 2 is fixed in the rotating movable cavity 11 in a simple manner, which facilitates the production and assembly of the product.

[0032] Referring to Figures 2 to 5In an embodiment, the rotating active cavity 11 is provided with a plurality of positioning protrusions 29 in the form of strips on the top thereof in the circumferential direction, the positioning protrusions 29 are arranged in the radial direction, the pressure regulating rotating seat 2 is provided with a positioning groove 19 corresponding to the positioning protrusions 29 on the top thereof, and each of the shunt water outlet structures 4 is provided with one positioning protrusion 29, the positioning protrusion 29 is positioned and matched with the corresponding positioning groove 19 when the arbitrary shunt channel 24 is rotated into position relative to the shunt water outlet structure 4; in this way, when each shunt channel 24 is rotated into position relative to the shunt water outlet structure 4, the positioning protrusion 29 is positioned and matched with the corresponding positioning groove 19 of the shunt channel 24, so as to avoid the idling of the pressure regulating rotating seat 2 and affect the normal water outlet state of the product.

[0033] Referring to Figures 2 to 5 In an embodiment, the shunt channel 24 and the shunt pressure regulating structure 5 are provided with at least three groups and are uniformly distributed on the outer periphery of the pressure regulating rotating seat 2; in this way, the pressure regulating rotating seat 2 has at least three different water outlet modes of pressure and flow rate, and the number of different coffee water outlet modes can be quickly switched and the use is convenient.

[0034] Referring to Figures 2 to 5 In an embodiment, the pressure regulating rotating seat 2 is provided with a flow guide groove 26 arranged in a ring shape on the outer side thereof, and the outer port of the water inlet channel 22 is located in the flow guide groove 26; in this way, when the pressure regulating rotating seat 2 is rotated to any position, the communication between the water inlet channel 22 and the water inlet interface structure 3 is ensured.

[0035] Referring to Figures 1 to 5 In an embodiment, the pressure regulating rotating seat 2 is located on the upper side of the flow guide groove 26, and the flow guide groove 26 and the shunt channel 24 and the lower side of the shunt channel 24 are respectively provided with a sealing ring 27, the sealing ring 27 is used to form a sealing fit with the rotating active cavity 11 when the pressure regulating rotating seat 2 is assembled in the rotating active cavity 11; in this way, the water inlet channel 22 and the shunt channel 24 are sealed and isolated, so as to avoid affecting the different water outlet modes of pressure and flow rate of the shunt channel 24.

[0036] Referring to Figures 1 to 5In an embodiment, the lower end opening of the shunt chamber 21 forms a straight water outlet hole 211, the bottom of the pressure regulating rotating seat 2 is provided with a water outlet connecting seat 6 corresponding to the straight water outlet hole 211, the water outlet connecting seat 6 is provided with a first threaded connecting hole 61 with upper and lower end openings, the straight water outlet structure 7 comprises a straight water outlet pipe 71, a straight water outlet pushing spring 72 and a first positioning ring 73 arranged in the first threaded connecting hole 61, the upper end of the straight water outlet pipe 71 is provided with a first abutting portion 74, the first positioning ring 73 is threadedly connected in the first threaded connecting hole 61, the straight water outlet pushing spring 72 is abutted at the first abutting portion 74 and the first positioning ring 73 respectively, so that the upper end of the straight water outlet pipe 71 is abutted at the bottom of the pressure regulating rotating seat 2 and communicates with the straight water outlet hole 211, and the lower end of the straight water outlet pipe 71 extends out of the lower side of the water outlet connecting seat 6 through the inner hole of the first positioning ring 73; in this way, the straight water outlet structure 7 is simple in arrangement and good in water outlet effect.

[0037] Referring to Figures 1 to 5 In an embodiment, the water inlet interface structure 3 comprises a second threaded connecting hole 31 arranged in the fixed seat 1 and the opening of the side portion, and a water inlet pipe 32, a water inlet pushing spring 33 and a second positioning ring 34 arranged in the second threaded connecting hole 31, the fixed seat 1 is internally provided with a water inlet hole 17 communicating with the shunt chamber 21 and the second threaded connecting hole 31, the inner end of the water inlet pipe 32 is provided with a second abutting portion 35, the second positioning ring 34 is threadedly connected in the second threaded connecting hole 31, the water inlet pushing spring 33 is abutted at the second abutting portion 35 and the second positioning ring 34 respectively, so that the inner end of the water inlet pipe 32 is abutted at the inner side of the fixed seat 1 and communicates with the water inlet hole 17, and the outer end of the water inlet pipe 32 extends out of the outer side of the fixed seat 1 through the inner hole of the second positioning ring 34; in this way, the straight water outlet structure 7 is simple in arrangement and good in water inlet effect.

[0038] According to the disclosure and teaching of the above description, the skilled in the art of the utility model can also change and modify the above embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should also fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.

Claims

1. A coffee machine water outlet pressure regulating structure, characterized in that, The utility model relates to a kind of pressure regulating device, including: Fixed seat, with rotating activity cavity in inside, and water inlet interface structure and shunt water outlet structure communicated with rotating activity cavity; Pressure regulating rotating seat, rotating activity is placed in rotating activity cavity, with shunt chamber in inside, and water inlet channel, direct current water outlet structure, several shunt channels communicated with shunt chamber respectively, several shunt channels are respectively arranged in shunt chamber outer periphery, shunt channel is equipped with shunt pressure regulating structure, shunt pressure regulating structure is used to adjust the flow size of liquid in shunt chamber out through shunt channel, water inlet interface structure is communicated with water inlet channel, by controlling pressure regulating rotating seat relative rotation, any shunt channel can be communicated with shunt water outlet structure, different liquid pressure of direct current water outlet structure is realized to adjust.

2. The coffee machine water outlet pressure regulating structure according to claim 1, characterized in that, The shunt chamber is communicated with the shunt channel through the shunt hole, the first internal thread is provided in the shunt channel, the shunt pressure regulating structure includes the shunt valve plug, the shunt spring and the threaded adjusting part, the shunt spring is abutted between the shunt valve plug and the threaded adjusting part, the shunt valve plug is abutted on the shunt hole by the action of the shunt spring, the elastic pre-pressure of the shunt spring on the shunt valve plug in the shunt hole can be adjusted by screwing the threaded adjusting part, so as to adjust the flow size of the liquid out through the shunt channel.

3. The coffee machine water outlet pressure regulating structure according to claim 2, characterized in that, The shunt valve plug includes a plug head and a plug rod connected to one side of the plug head, and the shunt spring is sleeved on the plug rod and abuts on the plug head at one end.

4. The coffee machine water outlet pressure regulating structure according to claim 2, characterized in that, The outer diameter of the shunt valve plug is smaller than the inner diameter of the shunt channel, the threaded adjusting part is provided with a first water outlet hole communicated with the shunt channel and the outside along the axial direction, and the first water outlet hole is communicated with the shunt water outlet structure. The shunt water outlet structure includes a shunt water outlet groove arranged radially in the fixed seat, a shunt water outlet pipe arranged vertically and communicated with the shunt water outlet groove, and a shunt water outlet valve plug and a shunt push spring arranged in the shunt water outlet groove, the shunt water outlet groove is open at the inner end, the shunt water outlet valve plug is abutted on the threaded adjusting part by the action of the shunt push spring, the shunt water outlet valve plug is provided with a second water outlet hole communicated with the first water outlet hole, and the shunt water outlet pipe is communicated with the second water outlet hole.

5. The coffee machine water outlet pressure regulating structure according to claim 4, characterized in that, The outer end of the shunt hole is provided with a conical guide part, the outer end of the shunt water outlet valve plug is in the shape of a sector, when any shunt channel is rotated in place relative to the shunt water outlet structure, the shunt water outlet valve plug is abutted in the conical guide part at the outer end of the shunt hole by the action of the shunt push spring, so that the first water outlet hole is communicated with the second water outlet hole.

6. The coffee machine water outlet pressure regulating structure according to claim 2, characterized in that, The rotating activity cavity is open at the bottom, the pressure regulating rotating seat is assembled in the rotating activity cavity through the bottom, the top of the pressure regulating rotating seat is provided with a rotating transmission part, and the top of the rotating activity cavity is provided with a avoiding hole for the rotating transmission part to extend out; It also includes a fixed ring, the inner diameter of the fixed ring is smaller than the inner diameter of the bottom opening of the rotating activity cavity, and the fixed ring is assembled on the bottom of the fixed seat by screw connection to fix the pressure regulating rotating seat in the rotating activity cavity.

7. The coffee machine water outlet pressure regulating structure according to claim 6, characterized in that, The rotating movable cavity top is provided with a plurality of positioning protrusions in the circumferential direction, the positioning protrusions are arranged in the radial direction, the pressure regulating rotating seat top is provided with a positioning groove corresponding to the positioning protrusions, and each of the shunt water outlet structures is provided with one positioning protrusion.

8. The coffee machine water outlet pressure regulating structure according to any one of claims 1 to 7, characterized in that, The shunt channels and the shunt pressure regulating structures are provided with at least three groups and are uniformly distributed on the outer periphery of the pressure regulating rotating seat.

9. The coffee machine water outlet pressure regulating structure according to claim 1, characterized in that, The pressure regulating rotating seat is provided with a flow guide groove arranged in a ring shape on the outside, and the outer port of the water inlet channel is located in the flow guide groove. The pressure regulating rotating seat is located on the upper side of the flow guide groove, between the flow guide groove and the shunt channel, and on the lower side of the shunt channel, and is respectively provided with a sealing ring, which is used to form a sealing fit with the rotating movable cavity when the pressure regulating rotating seat is assembled in the rotating movable cavity.

10. The coffee machine water outlet pressure regulating structure according to claim 1, characterized in that, The shunt chamber lower end opening forms a straight water outlet hole, the pressure regulating rotating seat bottom corresponds to the straight water outlet hole and is provided with a water outlet connecting seat, the water outlet connecting seat is provided with a first threaded connection hole with upper and lower openings, the straight water outlet structure includes a straight water outlet pipe, a straight push spring and a first positioning ring arranged in the first threaded connection hole, the first threaded connection hole is provided with a first abutting portion on the outer periphery of the upper end of the straight water outlet pipe, the first positioning ring is threadedly connected in the first threaded connection hole, and the straight push spring is abutted at the first abutting portion and the first positioning ring, so that the upper end of the straight water outlet pipe is abutted on the bottom of the pressure regulating rotating seat and communicates with the straight water outlet hole, and the lower end of the straight water outlet pipe extends out of the lower side of the water outlet connecting seat through the inner hole of the first positioning ring. The water inlet interface structure includes a second threaded connection hole arranged in the fixed seat and having an opening on the side, and a water inlet pipe, a water inlet push spring and a second positioning ring arranged in the second threaded connection hole, the fixed seat is internally provided with a water inlet hole communicating with the shunt chamber and the second threaded connection hole, the water inlet pipe is provided with a second abutting portion on the outer periphery of the inner end, the second positioning ring is threadedly connected in the second threaded connection hole, and the water inlet push spring is abutted at the second abutting portion and the second positioning ring, so that the inner end of the water inlet pipe is abutted on the inner side of the fixed seat and communicates with the water inlet hole, and the outer end of the water inlet pipe extends out of the outer side of the fixed seat through the inner hole of the second positioning ring.

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