Water tank structure and coffee machine

Abstract

The utility model discloses water tank structure and coffee machine, including the box, be equipped with the water outlet on the box still include: first interface subassembly, first interface subassembly install in the water outlet, second interface subassembly, second interface subassembly install in coffee machine, the second interface subassembly are connected with the water pipe, first interface subassembly with second interface subassembly between having separation state and connection state, when first interface subassembly with second interface subassembly between in separation state, first interface subassembly block up the water outlet, second interface subassembly block up the water pipe, when first interface subassembly with second interface subassembly between in connection state, first interface subassembly open the water outlet, second interface subassembly open the water pipe, make the water in the box in proper order through the water outlet, first interface subassembly and second interface subassembly flow to the water pipe.

Description

Technical Field

[0001] This utility model relates to the field of coffee machine technology, and in particular to water tank structure and coffee machine. Background Technology

[0002] A coffee machine is an automatic machine used to make coffee. It makes coffee by grinding coffee beans, pressurizing steam or using a water pump, etc. Coffee machines usually have multiple functions, such as adjusting the coffee strength and making different types of coffee; they are widely used in homes, offices, coffee shops and other places.

[0003] Existing coffee machines are generally equipped with a water tank to provide drinking water for the coffee machine. The water tank needs to be removed from the coffee machine frequently for refilling or cleaning. At the same time, the water tank also needs to be connected to the water system inside the coffee machine. The existing water tank structure is very inconvenient to disassemble and assemble. In addition, the structure of the water tank is also relatively complex. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a water tank structure and a coffee machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides a water tank structure, including a tank body, wherein the tank body is provided with a water outlet, and further comprising:

[0006] First interface component; the first interface component is installed at the water outlet;

[0007] Second interface component; the second interface component is installed on the coffee machine, and the second interface component is connected to an external water outlet pipe;

[0008] The first interface component and the second interface component have a separated state and a connected state;

[0009] When the first interface component and the second interface component are in a separated state, the first interface component blocks the water outlet, and the second interface component blocks the water outlet pipe;

[0010] When the first interface component and the second interface component are in a connected state, the first interface component opens the water outlet, and the second interface component opens the water outlet pipe, so that the water in the tank flows sequentially through the water outlet, the first interface component and the second interface component to the water outlet pipe.

[0011] Furthermore, the first interface component includes:

[0012] A first mounting base; the first mounting base is installed at the water outlet; the first mounting base is provided with a first fluid channel, and the first fluid channel is connected to the water outlet;

[0013] First valve core; the first valve core is installed in the first fluid channel;

[0014] A first elastic element; the first elastic element is installed between the first mounting base and the first valve core;

[0015] When the first interface component and the second interface component are in a separated state, the first valve core is only subjected to the elastic force of the first elastic element, causing the first valve core to block the first fluid channel.

[0016] When the first interface component and the second interface component are in a connected state, the first valve core is squeezed by the second interface component, causing the first valve core to move and thereby opening the first fluid channel.

[0017] Further, the first valve core includes:

[0018] First core portion; the first core portion slides within the first fluid channel;

[0019] The first plug head; the first plug head is located at the end of the first end of the first core part, and the first plug head extends out of the first mounting base;

[0020] First contact portion; one end of the first elastic member abuts against the end inside the first mounting base, and the other end of the first elastic member abuts against the first contact portion;

[0021] When the first interface component and the second interface component are separated, the first contact portion is subjected to the elastic force of the first elastic element, which drives the first valve core to move closer to the second interface component, so that the first plug head blocks the end of the first fluid channel.

[0022] When the first interface component and the second interface component are in a connected state, the end of the second end of the first core is squeezed by the second interface component, causing the first valve core to move away from the second interface component, so that the first plug head separates from the end of the first fluid channel.

[0023] Furthermore, a first sealing ring is installed on the first plug head.

[0024] Furthermore, the second interface component includes:

[0025] Second mounting bracket; the second mounting bracket is mounted on the coffee machine, and the water outlet pipe is externally connected to the second mounting bracket;

[0026] The third mounting base; the third mounting base is mounted on the second mounting base, and the third mounting base can be inserted into the first interface assembly, and the third mounting base and the second mounting base together form a second fluid channel;

[0027] Second valve core; the second valve core is installed in the second fluid passage;

[0028] The second elastic element is installed between the second mounting base and the second valve core.

[0029] When the first interface component and the second interface component are in a separated state, the second valve core is only subjected to the elastic force of the second elastic element, causing the second valve core to block the second fluid passage.

[0030] When the first interface component and the second interface component are in a connected state, the second valve core is squeezed by the first interface component, causing the second valve core to move and thereby opening the second fluid channel.

[0031] Furthermore, the second valve core includes:

[0032] Second core portion; the second core portion slides within the second fluid channel;

[0033] The second plug head; the second plug head is located at the end of the first end of the second core part;

[0034] The second contact portion; one end of the second elastic member abuts against the end inside the second mounting base, and the other end of the second elastic member abuts against the second contact portion;

[0035] When the first interface component and the second interface component are separated, the second contact part is subjected to the elastic force of the second elastic element, which drives the second valve core to move closer to the first interface component, so that the second plug head blocks the end of the second fluid channel.

[0036] When the first interface component and the second interface component are in a connected state, the second plug is squeezed by the first interface component, which drives the second valve core to move away from the first interface component, so that the second plug separates from the end of the second fluid channel.

[0037] Furthermore, a second sealing ring is installed on the second plug head.

[0038] Furthermore, a filter plate is provided in the second fluid channel, and the filter plate is sandwiched between the second mounting base and the third mounting base.

[0039] Furthermore, the second mounting base is provided with an interface portion for connecting the water outlet pipe externally.

[0040] The second aspect of this utility model provides a coffee machine, including a water tank structure.

[0041] Compared with the prior art, this utility model brings the following technical effects:

[0042] The water tank structure of this utility model, through the design of the first and second interface components, allows the tank to be easily removed from and installed on the coffee machine. When the tank needs to be removed, simply manually drive the tank away from the second interface component. At this time, the first and second interface components automatically separate. After separation, the first interface component blocks the water outlet, preventing water from dripping from the first interface component. Simultaneously, the second interface component blocks the water outlet pipe, preventing residual water from dripping from the second interface component. When the tank needs to be installed, simply manually drive the tank towards the second interface component until the first and second interface components are aligned. It is understood that the coffee machine has a space for placing the tank, and this space restricts the direction of movement of the tank, allowing it to move only in one direction. When the tank reaches its limit position, the first and second interface components automatically align. After removing the cabinet, users can add drinking water and clean the cabinet; once the cabinet is installed, the water tank can provide drinking water to the coffee machine normally. Attached Figure Description

[0043] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0044] Figure 1 This is a three-dimensional view of the water tank structure of this utility model.

[0045] Figure 2 This is an exploded view of the water tank structure of this utility model.

[0046] Figure 3 This is a partial exploded view of the water tank structure of this utility model.

[0047] Figure 4 This is a cross-sectional view of the water tank structure of this utility model when the first interface component and the second interface component are in a connected state.

[0048] Figure 5 This is a cross-sectional view of the water tank structure of this utility model when the first interface component and the second interface component are in a separated state.

[0049] Figure 6 This is an exploded view of the first interface component in the water tank structure of this utility model.

[0050] Figure 7 This is an exploded view of the second interface component in the water tank structure of this utility model.

[0051] Explanation of key component symbols:

[0052] 1-Box body, 101-Outlet, 102-First partition, 2-First interface assembly, 201-First mounting base, 202-First fluid channel, 203-First valve core, 2031-First core body, 2032-First plug head, 2033-First contact part, 204-First elastic element, 205-First sealing ring, 3-Second interface assembly, 301-Second mounting base, 3011-Interface part, 302-Third mounting base, 303-Second valve core, 3031-Second core body, 3032-Second plug head, 3033-Second contact part, 3034-Second sealing ring, 304-Second elastic element, 305-Second fluid channel, 4-Handheld part, 5-Box cover, 501-Inlet, 502-Second partition, 6-Liquid level monitoring assembly, 7-Third sealing ring, 8-Fourth sealing ring, 9-Fifth sealing ring, 10-Filter plate. Detailed Implementation

[0053] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0054] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0055] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0056] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0057] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0058] The descriptions of "specific examples" or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0059] Example 1

[0060] The water tank structure includes a tank body 1, on which a water outlet 101 is provided, and further includes:

[0061] First interface component 2; the first interface component 2 is installed at the water outlet 101;

[0062] Second interface component 3; the second interface component 3 is installed on the coffee machine, and the second interface component 3 is connected to an external water outlet pipe (not shown in the figure).

[0063] The first interface component 2 and the second interface component 3 have a separated state and a connected state;

[0064] When the first interface component 2 and the second interface component 3 are in a separated state, the first interface component 2 blocks the water outlet 101, and the second interface component 3 blocks the water outlet pipe;

[0065] When the first interface component 2 and the second interface component 3 are in a connected state, the first interface component 2 opens the water outlet 101, and the second interface component 3 opens the water outlet pipe, so that the water in the tank 1 flows sequentially through the water outlet 101, the first interface component 2 and the second interface component 3 to the water outlet pipe.

[0066] In this embodiment, the water tank structure, through the design of the first interface component 2 and the second interface component 3, allows the tank body 1 to be easily removed from and installed on the coffee machine. When it is necessary to remove the tank body 1, simply manually drive the tank body 1 away from the second interface component 3. At this time, the first interface component 2 and the second interface component 3 automatically separate. After the first interface component 2 and the second interface component 3 separate, the first interface component 2 blocks the water outlet 101, preventing water from dripping from the first interface component 2. At the same time, the second interface component 3 blocks... The water outlet pipe prevents residual water from dripping from the second interface component 3. When installing the housing 1, simply manually move it towards the second interface component 3 until the first interface component 2 and the second interface component 3 are properly aligned. The coffee machine has a space for housing 1, which restricts its movement in one direction. When housing 1 reaches its limit, the first interface component 2 and the second interface component 3 automatically align. After removing housing 1, users can add drinking water and clean it. Once housing 1 is installed, the water tank can normally provide drinking water to the coffee machine.

[0067] Furthermore, to facilitate the user in removing the water tank, a handle 4 is installed at the end of the water tank; at the same time, for aesthetic purposes, the handle 4 can be designed to be hidden.

[0068] Furthermore, a cover 5 is provided on the tank body 1, and a water inlet 501 is provided on the cover 5; at the same time, in order to prevent the water inside the tank body 1 from sloshing, a first partition 102 is provided inside the tank body 1, and a second partition 502 is provided on the cover 5; it should be noted that the first partition 102 and the second partition 502 do not completely separate the water inside the tank body 1; there is a gap between the first partition 102 and the second partition 502 and the inner wall of the tank body 1 for water to pass through.

[0069] Furthermore, a liquid level monitoring component 6 is also installed inside the tank 1. Its purpose is to remind the user to add drinking water when the water level in the tank 1 is low. The liquid level monitoring component 6 is current technology and will not be described in detail here.

[0070] Furthermore, the first interface component 2 includes:

[0071] First mounting base 201; the first mounting base 201 is installed on the water outlet 101; the first mounting base 201 is provided with a first fluid channel 202, and the first fluid channel 202 is connected to the water outlet 101.

[0072] First valve core 203; the first valve core 203 is installed in the first fluid channel 202;

[0073] First elastic element 204; the first elastic element 204 is installed between the first mounting base 201 and the first valve core 203;

[0074] When the first interface component 2 and the second interface component 3 are in a separated state, the first valve core 203 is only subjected to the elastic force of the first elastic element 204, causing the first valve core 203 to block the first fluid channel 202.

[0075] When the first interface component 2 and the second interface component 3 are in a connected state, the first valve core 203 is squeezed by the second interface component 3, causing the first valve core 203 to move and thereby open the first fluid channel 202.

[0076] Furthermore, the first valve core 203 includes:

[0077] First core portion 2031; the first core slides within the first fluid channel 202;

[0078] The first plug head 2032 is located at the end of the first end of the first core part 2031, and the first plug head 2032 extends out of the first mounting base 201;

[0079] First contact portion 2033; one end of the first elastic member 204 abuts against the end inside the first mounting base 201, and the other end of the first elastic member 204 abuts against the first contact portion 2033;

[0080] When the first interface component 2 and the second interface component 3 are in a separated state, the first contact portion 2033 is subjected to the elastic force of the first elastic element 204, which drives the first valve core 203 to move closer to the second interface component 3, so that the first plug head 2032 blocks the end of the first fluid channel 202.

[0081] When the first interface component 2 and the second interface component 3 are in a connected state, the end of the second end of the first core part 2031 is squeezed by the second interface component 3, which drives the first valve core 203 to move away from the second interface component 3, so that the first plug head 2032 is separated from the end of the first fluid channel 202.

[0082] Furthermore, a first sealing ring 205 is installed on the first plug head 2032.

[0083] In this embodiment, the first elastic element 204 is a spring; in other embodiments, it can be other types of elastic elements. When the first interface assembly 2 and the second interface assembly 3 are in a separated state, the first valve core 203 is only subjected to the elastic force of the first elastic element 204. Under the action of the elastic force of the first elastic element 204, the first contact part 2033 is driven, causing the first valve core 203 to move closer to the second interface assembly 3 until the first sealing ring 205 on the first plug head 2032 abuts against the end of the first mounting base 201. At this time, the first plug head 2032 and the first sealing ring 205 completely block the first fluid channel 202. When the first interface assembly 2 and the second interface assembly 3 are in a connected state, the first valve core 203 is squeezed by the second interface assembly 3 and moves away from the second interface assembly 3, causing the first sealing ring 205 on the first plug head 2032 to separate from the end of the first mounting base 201. At this time, the water in the water tank can enter the first fluid channel 202. The first interface component 2 has a simple structure and can automatically open and close the first fluid channel 202 using a purely mechanical mechanism. It should also be noted that, in order to prevent water in the tank 1 from flowing out from the gap between the first mounting base 201 and the outlet 101, a third sealing ring 7 is provided on the first mounting base 201.

[0084] Furthermore, the second interface component 3 includes:

[0085] Second mounting base 301; the second mounting base 301 is mounted on the coffee machine, and the water outlet pipe is externally connected to the second mounting base 301;

[0086] The third mounting base 302 is mounted on the second mounting base 301 and can be inserted into the first interface assembly 2. The third mounting base 302 and the second mounting base 301 together form a second fluid channel 305.

[0087] Second valve core 303; the second valve core 303 is installed in the second fluid passage 305;

[0088] The second elastic element 304 is installed between the second mounting base 301 and the second valve core 303.

[0089] When the first interface component 2 and the second interface component 3 are in a separated state, the second valve core 303 is only subjected to the elastic force of the second elastic element 304, causing the second valve core 303 to block the second fluid channel 305.

[0090] When the first interface component 2 and the second interface component 3 are in a connected state, the second valve core 303 is squeezed by the first interface component 2, causing the second valve core 303 to move and thereby open the second fluid channel 305.

[0091] Furthermore, the second valve core 303 includes:

[0092] Second core portion 3031; the second core slides within the second fluid channel 305;

[0093] The second plug head 3032 is located at the end of the first end of the second core part 3031;

[0094] Second contact portion 3033; one end of the second elastic member 304 abuts against the end inside the second mounting base 301, and the other end of the second elastic member 304 abuts against the second contact portion 3033;

[0095] When the first interface component 2 and the second interface component 3 are in a separated state, the second contact portion 3033 is subjected to the elastic force of the second elastic element 304, which drives the second valve core 303 to move closer to the first interface component 2, so that the second plug head 3032 blocks the end of the second fluid channel 305.

[0096] When the first interface component 2 and the second interface component 3 are in a connected state, the second plug head 3032 is squeezed by the first interface component 2, which drives the second valve core 303 to move away from the first interface component 2, so that the second plug head 3032 is separated from the end of the second fluid channel 305.

[0097] Furthermore, a second sealing ring 3034 is installed on the second plug head 3032.

[0098] In this embodiment, the second elastic element 304 is a spring; in other embodiments, it can be other types of elastic elements. When the first interface assembly 2 and the second interface assembly 3 are in a separated state, the second valve core 303 is only subjected to the elastic force of the second elastic element 304. Under the elastic force of the second elastic element 304, the second contact portion 3033 is driven, causing the second valve core 303 to move closer to the first interface assembly 2 until the second sealing ring 3034 on the second plug abuts against the end of the third mounting base 302. At this time, the second plug head 3032 and the second sealing ring 3034 completely block the second fluid channel 305. When the first interface assembly 2 and the second interface assembly 3 are in a connected state, the second valve core 303 is squeezed by the first interface assembly 2 and moves away from the first interface assembly 2, causing the second sealing ring 3034 on the second plug head 3032 to separate from the end of the third mounting base 302. At this time, water in the first fluid channel 202 can enter the second fluid channel 305.

[0099] In this embodiment, the third mounting base 302 is inserted into the first mounting base 201. Simultaneously, to prevent water in the first fluid channel 202 from flowing out through the gap between the first mounting base 201 and the third mounting base 302, a fourth sealing ring 8 is installed on the third mounting base 302. Similarly, to prevent water in the second channel from flowing out through the gap between the third mounting base 302 and the second mounting base 301, a fifth sealing ring 9 is provided between the second mounting base 301 and the third mounting base 302. It should be noted that the second interface assembly 3 is provided with two mounting bases, namely the second mounting base 301 and the third mounting base 302, for the purpose of facilitating the installation and removal of the second valve core 303 within the second mounting base 301 and the third mounting base 302.

[0100] Furthermore, a filter plate 10 is provided in the second fluid channel 305, and the filter plate 10 is sandwiched between the second mounting base 301 and the third mounting base 302.

[0101] In this embodiment, by setting a filter plate 10 in the second fluid channel 305, impurities in the housing 1 can be effectively prevented from flowing out of the water outlet pipe. It should be noted that the water outlet pipe is connected to the water system of the coffee machine. If impurities enter the water system, it can easily cause blockage of the water system, or even damage some components in the water system, such as the water pump.

[0102] Furthermore, the second mounting base 301 is provided with an interface portion 3011, which is used to connect the water outlet pipe externally.

[0103] In this embodiment, an interface portion 3011 is provided on the second mounting base 301 to facilitate the connection of an external water outlet pipe.

[0104] Example 2

[0105] The coffee machine includes a water tank structure. The vending machine of this embodiment includes all the technical features and effects of Embodiment 1, and therefore will not be described again.

[0106] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments, as long as they meet the purpose of the present invention, and all such changes should be within the scope of protection claimed by the present invention. For example, different combinations of specific embodiments and different combinations of distinguishing technical features.

Claims

1. A water tank structure, comprising a tank body (1), wherein the tank body (1) is provided with a water outlet (101), characterized in that: Also includes: First interface component (2); the first interface component (2) is installed at the outlet (101); Second interface component (3); the second interface component (3) is installed on the coffee machine, and the second interface component (3) is connected to an external water outlet pipe; The first interface component (2) and the second interface component (3) have a separated state and a connected state; When the first interface component (2) and the second interface component (3) are in a separated state, the first interface component (2) blocks the water outlet (101), and the second interface component (3) blocks the water outlet pipe; When the first interface component (2) and the second interface component (3) are in a connected state, the first interface component (2) opens the water outlet (101), and the second interface component (3) opens the water outlet pipe, so that the water in the tank (1) flows to the water outlet pipe through the water outlet (101), the first interface component (2) and the second interface component (3) in sequence.

2. The water tank structure according to claim 1, characterized in that: The first interface component (2) includes: A first mounting base (201); the first mounting base (201) is installed on the outlet (101); the first mounting base (201) is provided with a first fluid channel (202), and the first fluid channel (202) is connected to the outlet (101); First valve core (203); the first valve core (203) is installed in the first fluid channel (202); First elastic element (204); the first elastic element (204) is installed between the first mounting base (201) and the first valve core (203); When the first interface component (2) and the second interface component (3) are in a separated state, the first valve core (203) is only subjected to the elastic force of the first elastic element (204), causing the first valve core (203) to block the first fluid channel (202); When the first interface component (2) and the second interface component (3) are in a connected state, the first valve core (203) is squeezed by the second interface component (3), causing the first valve core (203) to move and thereby open the first fluid channel (202).

3. The water tank structure according to claim 2, characterized in that: The first valve core (203) includes: First core portion (2031); the first core slides within the first fluid channel (202); First plug head (2032); The first plug head (2032) is located at the end of the first end of the first core part (2031), and the first plug head (2032) extends out of the first mounting base (201); First contact portion (2033); one end of the first elastic member (204) abuts against the end inside the first mounting base (201), and the other end of the first elastic member (204) abuts against the first contact portion (2033); When the first interface component (2) and the second interface component (3) are in a separated state, the first contact part (2033) is subjected to the elastic force of the first elastic element (204), which drives the first valve core (203) to move closer to the second interface component (3), so that the first plug head (2032) blocks the end of the first fluid channel (202); When the first interface component (2) and the second interface component (3) are in a connected state, the end of the second end of the first core part (2031) is squeezed by the second interface component (3), which drives the first valve core (203) to move away from the second interface component (3), so that the first plug (2032) is separated from the end of the first fluid channel (202).

4. The water tank structure according to claim 3, characterized in that: A first sealing ring (205) is installed on the first plug head (2032).

5. The water tank structure according to claim 1, characterized in that: The second interface component (3) includes: Second mounting bracket (301); the second mounting bracket (301) is mounted on the coffee machine, and the water outlet pipe is externally connected to the second mounting bracket (301); The third mounting base (302) is mounted on the second mounting base (301) and can be inserted into the first interface assembly (2). The third mounting base (302) and the second mounting base (301) together form a second fluid channel (305). Second valve core (303); the second valve core (303) is installed in the second fluid passage (305); The second elastic element (304) is installed between the second mounting base (301) and the second valve core (303). When the first interface component (2) and the second interface component (3) are in a separated state, the second valve core (303) is only subjected to the elastic force of the second elastic element (304), causing the second valve core (303) to block the second fluid channel (305); When the first interface component (2) and the second interface component (3) are in a connected state, the second valve core (303) is squeezed by the first interface component (2), causing the second valve core (303) to move and thereby open the second fluid channel (305).

6. The water tank structure according to claim 5, characterized in that: The second valve core (303) includes: The second core (3031) slides within the second fluid channel (305); The second plug head (3032) is located at the end of the first end of the second core part (3031); Second contact portion (3033); one end of the second elastic member (304) abuts against the end inside the second mounting base (301), and the other end of the second elastic member (304) abuts against the second contact portion (3033); When the first interface component (2) and the second interface component (3) are in a separated state, the second contact part (3033) is subjected to the elastic force of the second elastic element (304), which drives the second valve core (303) to move closer to the first interface component (2), so that the second plug head (3032) blocks the end of the second fluid channel (305); When the first interface component (2) and the second interface component (3) are in a connected state, the second plug (3032) is squeezed by the first interface component (2), which drives the second valve core (303) to move away from the first interface component (2), so that the second plug (3032) separates from the end of the second fluid channel (305).

7. The water tank structure according to claim 6, characterized in that: A second sealing ring (3034) is installed on the second plug head (3032).

8. The water tank structure according to claim 5, characterized in that: The second fluid channel (305) is provided with a filter plate (10), which is sandwiched between the second mounting base (301) and the third mounting base (302).

9. The one according to claim 5, characterized in that: The second mounting base (301) is provided with an interface (3011) for connecting the water outlet pipe externally.

10. A coffee machine, characterized in that: Includes the water tank structure described in any one of claims 1-9.

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