CN220551504U - Simple pressure regulating device and coffee machine using same - Google Patents
Simple pressure regulating device and coffee machine using same Download PDFInfo
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- CN220551504U CN220551504U CN202322321474.3U CN202322321474U CN220551504U CN 220551504 U CN220551504 U CN 220551504U CN 202322321474 U CN202322321474 U CN 202322321474U CN 220551504 U CN220551504 U CN 220551504U
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 155
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 238000004891 communication Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 abstract description 18
- 239000000843 powder Substances 0.000 abstract description 16
- 239000000796 flavoring agent Substances 0.000 abstract description 5
- 235000019634 flavors Nutrition 0.000 abstract description 5
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000008373 coffee flavor Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of pressure regulating valves, in particular to a simple pressure regulating device and a coffee machine using the same, comprising a valve body and a pressure regulating assembly, wherein a first water flow passage and a regulating cavity are communicated with each other in the valve body; the pressure regulating assembly comprises an adjusting rod, a handle and a sealing rod, and the handle drives the adjusting rod to move relative to the first water through hole in the sealing rod and the adjusting cavity so that the adjusting rod is inserted into or separated from the first water through hole. The valve body is detachably arranged between the brewing head and the coffee funnel, the handle is driven to rotate by manpower, and the adjusting rod is driven to linearly reciprocate relative to the sealing rod, so that the end part of the adjusting rod performs corresponding linear reciprocating motion relative to the first water through hole in the adjusting cavity, the adjustment of the water pressure in the first water flow channel is realized, the water injection flow and the extraction pressure of the coffee powder bed are adjusted, and the purpose of changing the coffee extraction flavor is achieved.
Description
Technical Field
The utility model relates to the technical field of pressure regulating valves, in particular to a simple pressure regulating device and a coffee machine using the same.
Background
In the coffee making process, extraction is the process of flowing hot water through the coffee grounds and extracting the soluble solids, aroma and flavor from the coffee grounds. This is typically accomplished using a coffee machine or hand tool, and when hot water is contacted with the coffee grounds, solutes in the water interact with the substances in the coffee grounds to produce a coffee slurry. In this process, the contact time between the hot water and the coffee grounds, the temperature of the water, the flow rate of the water, etc. all affect the extraction of the coffee.
In order to achieve the proper extraction conditions, the water pressure in the coffee machine is controlled by means of a pressure regulating device. In a coffee machine, after water is pressurized by a water pump, the pressure of the water compresses and extracts the coffee powder in the process of passing through a coffee powder bed, and proper water pressure can help to improve the contact efficiency of the coffee powder and the water and promote the extraction of extruded solutes in the coffee. The prior pressure regulating device of the coffee machine has a complex structure and high production cost, for example, chinese patent with the publication number of CN204300452 discloses a coffee machine and a valve with adjustable pressure, which comprises a valve body, a valve core, a flow guiding element, an elastic piece, an adjusting component and the like.
The utility model is researched and proposed for overcoming the defects of the prior art.
Disclosure of Invention
The utility model provides a simple pressure regulating device and a coffee machine using the same, aiming at the problems that the pressure regulating device of the existing coffee machine is complex in structure and high in production cost.
The technical scheme adopted for solving the technical problems is as follows:
the simple pressure regulating device comprises a valve body and a pressure regulating assembly arranged in the valve body, wherein a first water flow passage and a regulating cavity which are communicated are arranged in the valve body, the first water flow passage comprises a water inlet flow passage and a water outlet flow passage which are respectively positioned at two sides of the regulating cavity, and a first water port is arranged at the communication part of the water inlet flow passage and the regulating cavity; the pressure regulating assembly comprises an adjusting rod arranged in the adjusting cavity, a handle connected with the adjusting rod, and a sealing rod arranged between the valve body and the adjusting rod, wherein the handle drives the adjusting rod to move in the sealing rod and the adjusting cavity relative to the first water through hole so that the adjusting rod is inserted into or separated from the first water through hole.
The simple pressure regulating device is characterized in that the regulating rod is provided with a first rod head, the outer diameter of the first rod head gradually increases from the end part of the first rod head to the center of the regulating rod, and the outer diameter of the end part of the first rod head is smaller than the inner diameter of the first water through hole.
According to the simple pressure regulating device, the through hole for the adjusting rod to pass through is formed in the sealing rod, the first limiting wall is arranged in the through hole, the second limiting wall corresponding to the first limiting wall is arranged on the outer side of the adjusting rod, and the handle drives the adjusting rod to move in the adjusting cavity in the direction away from the first water through hole until the second limiting wall abuts against the first limiting wall.
The simple pressure regulating device is characterized in that the pressure regulating assembly further comprises a sealing ring arranged between the regulating rod and the sealing rod, and a first mounting groove for mounting the sealing ring is formed in the outer wall of the regulating rod.
The simple pressure regulating device is characterized in that the sealing rod is provided with the second rod head, the second rod head is propped against the outer wall of the valve body, a sealing gasket is arranged between the second rod head and the valve body, and a second mounting groove for mounting the sealing gasket is formed in the second rod head.
The simple pressure regulating device is characterized in that a second water flow passage communicated with the water outlet flow passage is further arranged in the valve body, and a pressure gauge is arranged in the second water flow passage.
The simple pressure regulating device is characterized in that the top of the valve body is provided with the accommodating cavity, and the accommodating cavity is communicated with the water inlet flow channel.
According to the simple pressure regulating device, the filter screen is detachably arranged at the bottom of the valve body, the filter screen is internally provided with the plurality of filter holes, and each filter hole is communicated with the water outlet flow passage.
The coffee machine comprises a pressure regulating device and a coffee funnel, wherein the pressure regulating device and the coffee funnel are arranged on the top of the valve body, the valve body is connected to the lower portion of the brewing head in a screwing mode through the connecting portion, a connecting piece is connected to the bottom of the valve body, and the coffee funnel is connected with the connecting piece in a rotating mode.
According to the coffee machine using the device, the first connecting hole is formed in the connecting piece, the second connecting hole corresponding to the first connecting hole is formed in the valve body, and the first connecting hole is connected with the second connecting hole through the fastening piece.
Compared with the prior art, the utility model has the beneficial effects that:
the valve body is detachably arranged between the brewing head and the coffee funnel, when in actual use, hot water flows into the water inlet flow channel from the brewing head, sequentially flows through the first water through hole, the adjusting cavity and the water outlet flow channel, finally flows into a coffee powder bed of the coffee funnel from the water outlet flow channel, and is driven to rotate by manpower, so that the adjusting rod is driven to linearly reciprocate relative to the sealing rod, the end part of the adjusting rod is enabled to correspondingly linearly reciprocate relative to the first water through hole in the adjusting cavity, the water pressure in the first water flow channel is adjusted, the water injection flow and the extraction pressure of the coffee powder bed are adjusted, and the purpose of changing the coffee extraction flavor is achieved.
The utility model will be further described with reference to the drawings and detailed description.
Drawings
FIG. 1 is a perspective view of a pressure regulating device of the present utility model;
FIG. 2 is an exploded view of the pressure regulating device of the present utility model;
FIG. 3 is a top view of the pressure regulating device of the present utility model;
FIG. 4 is a cross-sectional view C-C of FIG. 3;
FIG. 5 is a second cross-sectional view C-C of FIG. 3;
FIG. 6 is a sectional view D-D of FIG. 3;
FIG. 7 is a schematic diagram showing the connection of the pressure regulating device to the coffee funnel according to the present utility model;
FIG. 8 is an exploded view of the pressure regulating device and coffee funnel of the present utility model;
fig. 9 is an exploded view of the pressure regulating device and the coffee funnel of the present utility model.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-9, the simple pressure regulating device provided by the utility model comprises a valve body 1 and a pressure regulating assembly 2 arranged in the valve body 1, wherein a first water flow passage 11 and a regulating cavity 12 which are communicated are arranged in the valve body 1, the first water flow passage 11 comprises a water inlet flow passage 111 and a water outlet flow passage 112 which are respectively positioned at two sides of the regulating cavity 12, and a first water port 13 is arranged at the communication part of the water inlet flow passage 111 and the regulating cavity 12; the pressure regulating assembly 2 comprises an adjusting rod 21 arranged in the adjusting cavity 12, a handle 22 connected with the adjusting rod 21, and a sealing rod 23 arranged between the valve body 1 and the adjusting rod 21, wherein the handle 22 drives the adjusting rod 21 to move relative to the first water through hole 13 in the sealing rod 23 and the adjusting cavity 12 so as to enable the adjusting rod 21 to be inserted into or separated from the first water through hole 13. In this embodiment, the pressure regulating device is detachably installed on the coffee machine and is used for regulating the pressure of hot water entering the coffee powder bed so as to improve the extraction effect of coffee, specifically, the water inlet channel 111 is provided with a water inlet 101, the water inlet 101 is used for inputting water into the water inlet channel 111, the water outlet channel 112 is provided with a water outlet 102, the water outlet 102 is used for outputting water to the coffee powder bed, the regulating cavity 12 is radially arranged in the valve body 1, one side of the regulating cavity 12 is communicated with the water inlet channel 111 and the water outlet channel 112, the communication part of the regulating cavity 12 and the water inlet channel 111 is provided with a first water through hole 13, the communication part of the regulating cavity 12 and the water outlet channel 112 is provided with a second water through hole 103, the first water through hole 13 and the second water through hole 103 are communicated with the regulating cavity 12, and the other side of the regulating cavity 12 is communicated with the outside so as to install the pressure regulating component 2; when in assembly, the sealing rod 23 is fixedly arranged on the valve body 1, the adjusting rod 21 is in sliding connection with the sealing rod 23 and extends into the adjusting cavity 12, and the handle 22 is detachably connected with one end of the adjusting rod 21 and is positioned on the outer side of the valve body 1 so as to be convenient for a user to operate; as shown in fig. 4 and 5, in fig. 4, the adjusting rod 21 is far away from the first water port 13, in fig. 5, the adjusting rod 21 extends into the water inlet channel 111 through the first water port 13, when in actual use, hot water flows into the water inlet channel 111 from the water inlet 101 and sequentially flows through the first water port 13, the adjusting cavity 12, the second water port 103 and the water outlet channel 112, finally flows into a coffee powder bed from the water outlet 102, the handle 22 is driven to rotate by manpower so as to drive the adjusting rod 21 to perform linear reciprocating motion relative to the sealing rod 23, so that the end part of the adjusting rod 21 performs corresponding linear reciprocating motion relative to the first water port 13 in the adjusting cavity 12, the water outlet flow rate and the extraction pressure at the water outlet 102 are adjusted, and the purpose of changing coffee extraction is achieved. The adjusting component is driven by manpower, a user can experiment and fumbly the change of the water injection flow and the extraction pressure of the coffee powder bed to the coffee flavor in the coffee making process, so that the user can improve the playability of the coffee machine with lower cost, enjoy the pleasure of manually changing the coffee flavor, optimize the user experience, and the adjusting component has a simple integral structure, is easy to assemble and disassemble and is convenient for the user to clean; in some embodiments, a crank-link mechanism is disposed between the handle 22 and the adjusting rod 21, so that the handle 22 is manually rotated and the adjusting rod 21 is linearly moved relative to the sealing rod 23 by the crank-link mechanism, thereby reducing the labor intensity when the user operates the handle 22 and optimizing the user experience.
Preferably, as shown in fig. 5, the adjusting rod 21 is provided with a first rod head 211, the outer diameter of the first rod head 211 gradually increases from the end portion thereof toward the center of the adjusting rod 21, and the outer diameter a of the end portion of the first rod head 211 is smaller than the inner diameter B of the first water through hole 13. In this embodiment, the first rod head 211 is preferably tapered, and the outer diameter a of the end portion of the first rod head 211 is smaller than the inner diameter B of the first water through hole 13, when the adjusting rod 21 drives the first rod head 211 to move towards the direction close to the first water through hole 13 and extend into the water inlet channel 111, a gap is formed between the first water through hole 13 and the first rod head 211, and as the first rod head 211 gradually extends into the water inlet channel 111, the gap is narrower and narrower until the first rod head 211 completely blocks the first water through hole 13 to block water flow, thereby gradually changing the water flow at the first water through hole 13, so as to change the water injection flow and extraction pressure of the coffee powder bed, and improve the flavor of coffee.
Specifically, as shown in fig. 4, a through hole 231 through which the adjusting rod 21 passes is provided in the sealing rod 23, a first limiting wall 232 is provided in the through hole 231, a second limiting wall 212 corresponding to the first limiting wall 232 is provided on the outer side of the adjusting rod 21, and the handle 22 drives the adjusting rod 21 to move in the adjusting cavity 12 in a direction away from the first water through hole 13 until the second limiting wall 212 abuts against the first limiting wall 232. In this embodiment, during assembly, the adjusting rod 21 is inserted into the sealing rod 23 from one side of the sealing rod 23 through the through hole 231, and the second limiting wall 212 is opposite to the first limiting wall 232, when the adjusting rod 21 moves away from the first water through hole 13 through the handle 22, the displacement of the adjusting rod 21 is limited by the first limiting wall 232, so that the pressure regulating assembly 2 is ensured to operate normally, and when the first rod head 211 is completely away from the first water through hole 13, the water pressure flowing to the water outlet flow channel 112 reaches the maximum.
Preferably, as shown in fig. 4, the pressure regulating assembly 2 further includes a sealing ring 24 disposed between the adjusting rod 21 and the sealing rod 23, and a first mounting groove 213 for mounting the sealing ring 24 is provided on an outer wall of the adjusting rod 21. In this embodiment, one or more sealing rings 24 are sleeved on the outer side of the adjusting rod 21, and in actual use, the sealing rings 24 are abutted between the adjusting rod 21 and the sealing rod 23, so as to enhance the sealing effect, further maintain the pressure inside the coffee machine, ensure that water passing through the coffee powder bed can fully contact and extract the essence of coffee, and also effectively prevent water and steam leakage, prevent external pollutants, dust and the like from entering the valve body 1, and ensure the quality and taste of coffee; correspondingly, the number of the first mounting grooves 213 corresponds to the number of the sealing rings 24, so as to facilitate quick mounting of the sealing rings 24 and improve the mounting stability of the sealing rings 24.
Preferably, as shown in fig. 4, the sealing rod 23 is provided with a second rod head 233, the second rod head 233 abuts against the outer wall of the valve body 1, a sealing gasket 25 is disposed between the second rod head 233 and the valve body 1, and a second mounting groove 234 for mounting the sealing gasket 25 is disposed in the second rod head 233. In this embodiment, the second rod head 233 is preferably disposed as a boss located at an end portion of the sealing rod 23, when assembled, a side wall of the second rod head 233 abuts against an outer wall of the valve body 1, the sealing gasket 25 is disposed between the second rod head 233 and the valve body 1, so as to further enhance connection stability and sealing effect of the sealing rod 23, the through hole 231 of the sealing rod 23 penetrates through the second rod head 233, so as to ensure that the adjusting rod 21 can penetrate through the through hole 231 to be connected with the handle 22, the whole structure of the sealing rod 23 is simple, production and implementation are easy, further preferably, an external thread is disposed on an outer side of the sealing rod 23, the sealing rod 23 is fixedly connected to the valve body 1 through threaded connection, and an external contour of the second rod head 233 is preferably disposed as a hexagon, so as to facilitate rapid installation of the sealing rod 23, and operation is simple; in addition, by providing the second mounting groove 234 in the second head 233, quick mounting of the gasket 25 and connection stability of the gasket 25 are facilitated.
Preferably, as shown in fig. 6, a second water flow passage 14 is further provided in the valve body 1 and is in communication with the water outlet flow passage 112, and a pressure gauge 3 is provided in the second water flow passage 14. In this embodiment, the pressure gauge 3 is configured to detect the water pressure change in the valve body 1 in real time, so that a user can observe and understand the operation state of the valve body 1, find an abnormal situation in time, and adjust the pressure regulating assembly 2 according to the water pressure change in the valve body 1; further preferably, the second water flow channel 14 includes a first auxiliary water flow channel 141 and a second auxiliary water flow channel 142, the first auxiliary water flow channel 141 is directly communicated with the water outlet flow channel 112, the second auxiliary water flow channel 142 is provided with the pressure gauge 3, and the aperture of the first auxiliary water flow channel 141 is smaller than that of the second auxiliary water flow channel 142, so that the water quantity flowing from the water outlet flow channel 112 to the second water flow channel 14 can be reduced on the basis of not influencing the detection of the real-time water pressure in the valve body 1, thereby saving water resources.
Preferably, as shown in fig. 7, a receiving cavity 15 is provided at the top of the valve body 1, and the receiving cavity 15 is in communication with the water inlet channel 111. In this embodiment, the top of the valve body 1 is an open end, the water inlet 101 is disposed in the accommodating cavity 15 so that the accommodating cavity 15 is communicated with the water inlet channel 111, so that the required hot water is input into the valve body 1 from the brewing head of the coffee machine, and the accommodating function of the valve body 1 on the water is improved by setting the accommodating cavity 15, so that the water can enter the water inlet channel 111 at a proper flow rate.
Preferably, as shown in fig. 4, a filter screen 4 is detachably mounted at the bottom of the valve body 1, a plurality of filter holes 41 are provided in the filter screen 4, and each filter hole 41 is communicated with the water outlet flow passage 112. In this embodiment, the water outlet flow channels 112 are communicated with the filtering holes 41 through the water outlet 102, so that water can be output to the coffee powder bed, the bottom of the valve body 1 is provided with the internal threaded holes 18, the filtering net 4 is detachably mounted at the bottom of the valve body 1 through screws 42 or bolts, the filtering holes 41 are annularly arranged in the filtering net 4 in multiple layers, and in the production process, the pore size and the material of the filtering net 4 can be flexibly selected, and the water flow speed and the contact time in the coffee extraction process can be adjusted through the filtering net 4, so that the concentration and the taste of coffee can be changed.
As shown in fig. 1-9, the utility model also discloses a coffee machine using the device, comprising a brewing head, the pressure regulating device and the coffee funnel 5, wherein the top of the valve body 1 is provided with a connecting part 16, the valve body 1 is connected to the lower part of the brewing head in a screwing way through the connecting part 16, the bottom of the valve body 1 is connected with a connecting piece 6, and the coffee funnel 5 is connected with the connecting piece 6 in a rotating way. In this embodiment, the valve body 1 is detachably installed between the brewing head and the coffee funnel 5, the coffee funnel 5 is provided with a liquid outlet 501, in actual use, a coffee powder bed is placed in the coffee funnel 5, hot water flows into the water inlet channel 111 from the brewing head and sequentially flows through the first water through-hole 13, the adjusting cavity 12 and the water outlet channel 112, finally, coffee extraction is performed in the coffee powder bed flowing into the coffee funnel 5 from the water outlet channel 112, coffee liquid formed by extraction is output through the liquid outlet 501, the handle 22 is driven to rotate by manpower, so as to drive the adjusting rod 21 to perform linear reciprocating motion relative to the sealing rod 23, so that the end part of the adjusting rod 21 performs corresponding linear reciprocating motion relative to the first water through-hole 13 in the adjusting cavity 12, and the purpose of adjusting the water pressure in the first water through-hole 11 is achieved, thereby adjusting the water injection flow and the extraction pressure of the coffee powder bed is achieved, and the purpose of changing the coffee extraction flavor is achieved; in addition, the valve body 1 is detachably mounted at the lower part of the brewing head through the connecting part 16, specifically, the connecting part 16 comprises at least two connecting lugs 161 arranged at the outer side of the top of the valve body 1, the two connecting lugs 161 are symmetrically distributed, and are connected at the lower part of the brewing head through the screwing of the two connecting lugs 161; the coffee funnel 5 is detachably connected to the lower portion of the valve body 1, specifically, the connecting piece 6 is provided with an inner cavity 61 and a step 62 at the bottom, a notch 63 is formed in the step 62, a bump 51 corresponding to the notch 63 is formed on the outer side of the coffee funnel 5, a guide surface 52 is arranged at the bottom of one end of the bump 51, when the coffee funnel is assembled, the bump 51 in the coffee funnel 5 is aligned with the notch 63, the coffee funnel 5 is driven to move upwards into the inner cavity 61, and then the coffee funnel 5 is driven to rotate in the inner cavity 61 so that the bump 51 is staggered with the notch 63, so that the bump 51 abuts against the upper portion of the step 62, the guide surface 52 is used for assisting the coffee funnel 5 to rotate in the inner cavity 61 relative to the step 62, so that the coffee funnel 5 is installed, the coffee funnel 5 is easy to disassemble and assemble, the operation is simple, the connecting piece 6 is simple in structure, and easy to produce and implement.
Further, as shown in fig. 2, a first connecting hole 60 is provided in the connecting member 6, the valve body 1 is provided with a second connecting hole 17 corresponding to the first connecting hole 60, and the first connecting hole 60 and the second connecting hole 17 are connected by a fastener 7. In this embodiment, the first connecting holes 60 are provided with a plurality of annular equally spaced positions near the top of the connecting member 6, the second connecting holes 17 correspond to the first connecting holes 60, and during assembly, the first connecting holes 60 and the second connecting holes 17 are detachably connected by fasteners 7 such as screws 42, so that the connecting member 6 is easy to assemble and disassemble, and has simple operation and lower production cost.
The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. The simple pressure regulating device is characterized by comprising a valve body (1) and a pressure regulating assembly (2) arranged in the valve body (1), wherein a first water flow passage (11) and a regulating cavity (12) which are communicated are arranged in the valve body (1), the first water flow passage (11) comprises a water inlet flow passage (111) and a water outlet flow passage (112) which are respectively arranged at two sides of the regulating cavity (12), and a first water port (13) is arranged at the communication part of the water inlet flow passage (111) and the regulating cavity (12);
the pressure regulating assembly (2) comprises an adjusting rod (21) arranged in the adjusting cavity (12), a handle (22) connected with the adjusting rod (21), and a sealing rod (23) arranged between the valve body (1) and the adjusting rod (21), wherein the handle (22) drives the adjusting rod (21) to move in the sealing rod (23) and the adjusting cavity (12) relative to the first water through hole (13), so that the adjusting rod (21) is inserted into or separated from the first water through hole (13).
2. The simple pressure regulating device according to claim 1, wherein the regulating rod (21) is provided with a first rod head (211), the outer diameter of the first rod head (211) gradually increases from the end part of the first rod head (211) towards the center of the regulating rod (21), and the outer diameter a of the end part of the first rod head (211) is smaller than the inner diameter B of the first water through hole (13).
3. A simple pressure regulating device according to claim 1, characterized in that a through hole (231) for the regulating rod (21) to pass through is arranged in the sealing rod (23), a first limiting wall (232) is arranged in the through hole (231), a second limiting wall (212) corresponding to the first limiting wall (232) is arranged on the outer side of the regulating rod (21), and the regulating rod (21) is driven to move in the regulating cavity (12) in a direction away from the first water through hole (13) through the handle (22) until the second limiting wall (212) is propped against the first limiting wall (232).
4. A simple pressure regulating device according to claim 1, characterized in that the pressure regulating assembly (2) further comprises a sealing ring (24) arranged between the regulating rod (21) and the sealing rod (23), and the outer wall of the regulating rod (21) is provided with a first mounting groove (213) for mounting the sealing ring (24).
5. The simple pressure regulating device according to claim 1, wherein the sealing rod (23) is provided with a second rod head (233), the second rod head (233) is propped against the outer wall of the valve body (1), a sealing gasket (25) is arranged between the second rod head (233) and the valve body (1), and a second mounting groove (234) for mounting the sealing gasket (25) is arranged in the second rod head (233).
6. The simple pressure regulating device according to claim 1, wherein a second water flow passage (14) communicated with the water outlet flow passage (112) is further arranged in the valve body (1), and a pressure gauge (3) is arranged in the second water flow passage (14).
7. A simple pressure regulating device according to claim 1, characterized in that the top of the valve body (1) is provided with a receiving chamber (15), the receiving chamber (15) being in communication with the water inlet flow channel (111).
8. A simple pressure regulating device as claimed in claim 1, characterized in that the bottom of the valve body (1) is detachably provided with a filter screen (4), a plurality of filter holes (41) are arranged in the filter screen (4), and each filter hole (41) is communicated with the water outlet flow channel (112).
9. A coffee machine using the device, characterized by comprising a brewing head, a pressure regulating device according to any one of claims 1-8, and a coffee funnel (5), wherein the top of the valve body (1) is provided with a connecting part (16), the valve body (1) is connected to the lower part of the brewing head by screwing the connecting part (16), the bottom of the valve body (1) is connected with a connecting piece (6), and the coffee funnel (5) is rotationally connected with the connecting piece (6).
10. A coffee machine applying the device according to claim 9, characterized in that a first connecting hole (60) is provided in the connecting piece (6), the valve body (1) is provided with a second connecting hole (17) corresponding to the first connecting hole (60), and the first connecting hole (60) and the second connecting hole (17) are connected by a fastener (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322321474.3U CN220551504U (en) | 2023-08-28 | 2023-08-28 | Simple pressure regulating device and coffee machine using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322321474.3U CN220551504U (en) | 2023-08-28 | 2023-08-28 | Simple pressure regulating device and coffee machine using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220551504U true CN220551504U (en) | 2024-03-01 |
Family
ID=90004711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322321474.3U Active CN220551504U (en) | 2023-08-28 | 2023-08-28 | Simple pressure regulating device and coffee machine using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220551504U (en) |
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2023
- 2023-08-28 CN CN202322321474.3U patent/CN220551504U/en active Active
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