Bubble water making assembly and coffee machine

Abstract

According to the sparkling water making assembly and the coffee machine, the first valve body of the sparkling water making assembly is provided with the water inlet and the air inlet, and the first mixing cover and the second mixing cover are arranged in the first valve cavity of the first valve body, so that the structural size of the whole sparkling water making assembly is small. Water and gas are mixed for the first time in the first mixing cavity of the first mixing cover to form first bubble water; the gas and the first bubble water are secondarily mixed in a second mixing cavity of the second mixing cover to form second bubble water; the second bubble water is discharged through a water outlet in the lower end of the second valve body. Water and gas are mixed for the first time through the first mixing cover to form first bubble water, the first bubble water and the gas are mixed for the second time through the second mixing cover to form second bubble water, the gas and the water are mixed twice, the prepared bubble water is finer, the smaller bubbles are, the slower the dissipation is, and the better the bubble water is. The taste and ornamental value of the sparkling water and drinks with the sparkling water are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of making sparkling water, in particular to a sparkling water making assembly and a coffee machine. Background Art

[0002] With the improvement of people's living standards, the requirements for the taste of beverages are also getting higher and higher. For example, sparkling water, or mixing delicate bubbles in beverages, can improve the taste and ornamental value of sparkling water and beverages with sparkling water. At present, a honeycomb structure bubbler core is generally used to make sparkling water. The disadvantages of the honeycomb structure bubbler are large volume and the presence of large bubbles in the sparkling water, which is not conducive to the durability of the bubbles. Therefore, whether it is the taste or the ornamental value, the experience of customers for sparkling water and beverages with sparkling water is not good. For example, the Chinese utility model patent with the publication number of CN217338247U discloses a sparkling water making assembly, which uses the same refrigeration structure to refrigerate the ice water tank and the mixing tank at the same time, improves the cooling efficiency, reduces the energy consumption, and improves the taste of the prepared sparkling water. However, it does not improve the taste of sparkling water by controlling the fineness of the bubbles in the sparkling water. Summary of the Utility Model

[0003] The purpose of the embodiments of the utility model is to provide a sparkling water making assembly and a coffee machine, so as to solve the problem that the taste and ornamental value of sparkling water and beverages with sparkling water are not good due to the insufficient fineness of the bubbles in the sparkling water.

[0004] The embodiments of the utility model adopt the following technical solutions: The sparkling water making assembly includes:

[0005] A first valve body, which has a water inlet and a gas inlet, and the gas inlet is communicated with a first valve cavity of the first valve body, so that gas can enter the first valve cavity through the gas inlet;

[0006] A first mixing cover, which is arranged in the first valve cavity. The first mixing cover has a first mixing cavity. The upper end of the first mixing cover is hermetically connected to the water inlet, and the first mixing cavity is communicated with the water inlet, so that water can enter the first mixing cavity through the water inlet; An air inlet hole communicating the first mixing cavity with the first valve cavity is arranged on the first mixing cover, so that the gas in the first valve cavity can enter the first mixing cavity after boosting pressure through the air inlet hole and be mixed with the water in the first mixing cavity for the first time to form first-stage sparkling water;

[0007] A second mixing cover is disposed in the first valve cavity. The second mixing cover has a second mixing cavity. The lower end of the first mixing cover extends into the second mixing cavity so that the first bubble water formed through the first mixing can enter the second mixing cavity. There is a gap between the lower end of the first mixing cover and the inner wall of the second mixing cavity, so that the gas in the first valve cavity can enter the second mixing cavity after being pressurized through the gap and be secondarily mixed with the bubble water in the second mixing cavity to form second bubble water.

[0008] A second valve body is connected to the first valve body. The second valve body has a second valve cavity. An outlet water valve core is disposed in the second valve cavity. The second valve cavity is communicated with the second mixing cavity so that the second bubble water in the second mixing cavity can enter the second valve cavity and be discharged through the water outlet at the lower end of the second valve body.

[0009] In the embodiment of the present application, the first mixing cover performs the first mixing on water and gas to form the first bubble water. The second mixing cover performs the secondary mixing on the first bubble water and gas to form the second bubble water. The gas and water are mixed twice, and the produced bubble water is more delicate. Moreover, the smaller the bubbles are, the slower they dissipate, which improves the taste and ornamental value of the bubble water and the beverage with bubble water. In addition, both the first mixing cover and the second mixing cover are disposed in the first valve cavity, making the structural size of the entire bubble water making assembly smaller.

[0010] In some embodiments, the upper end and the lower end of the first mixing cavity respectively have openings. The opening at the upper end of the first mixing cavity faces the water inlet directly, and the end face of the opening at the upper end of the first mixing cavity abuts against the inner top wall of the first valve cavity, and a first sealing ring is provided between the two. The opening at the lower end of the first mixing cavity is located in the second mixing cavity.

[0011] Aligning the port at the upper end of the first mixing cavity with the water inlet directly and providing a first sealing ring between the two enables water to enter the first mixing cavity more smoothly without leakage at the connection between the water inlet and the first mixing cavity.

[0012] In some embodiments, a plurality of air inlet holes communicating the first mixing cavity and the first valve cavity are provided on the side wall of the first mixing cavity, and the air inlet holes are uniformly arranged around the circumferential direction of the side wall of the first mixing cavity.

[0013] The air inlet holes uniformly provided on the side wall of the first mixing cavity can enable the gas in the first valve cavity to be pressurized more uniformly through the air inlet holes and be uniformly introduced into the first mixing cavity to be mixed with water after being pressurized, so that the bubbles of the first bubble water formed in the first mixing cavity are more uniform and delicate.

[0014] In some embodiments, the second mixing cover has an upper opening, and the peripheral edge of the upper opening extends toward the inside of the second mixing cavity and converges toward the center of the second mixing cavity to enclose a frustum-shaped through hole. The lower end of the first mixing cover extends into the through hole, and an annular gap is formed between the lower end of the first mixing cover and the hole wall of the through hole.

[0015] The annular gap formed between the lower end of the first mixing cover and the frustum-shaped through hole formed by the upper opening of the second mixing cover allows the gas in the first valve cavity to be evenly pressurized for the second time through the gap. After the gas enters the second mixing cavity through the gap, it can be mixed with the first bubble water to produce second bubble water with more uniform fineness.

[0016] In some embodiments, the upper end of the second valve body extends into the first valve cavity and abuts against the bottom end of the second mixing cover. The upper end of the second valve body extending into the first valve cavity is beneficial to reducing the structural size of the entire bubble water making assembly. In addition, the upper end of the second valve body can also form a supporting effect on the second mixing cover, so that the second mixing cover can be stably arranged in the first valve cavity.

[0017] In some embodiments, the bubble water making assembly further includes a rectifying plate. An installation position is provided at the upper end of the second valve cavity. The rectifying plate is arranged on the installation position and covers the upper port of the second valve cavity. The top end of the second valve body abuts against the lower end of the second mixing cover and the two are hermetically connected;

[0018] The rectifying plate is provided with rectifying holes penetrating through the rectifying plate, so that the bubble water in the second mixing cavity can enter the second valve cavity after being rectified through the rectifying holes.

[0019] The rectifying plate can rectify the second bubble water, so that the second bubble water can enter the second mixing cavity in a more gentle and uniform manner.

[0020] In some embodiments, the bubble water making assembly further includes a second sealing ring. The top end of the second valve body and the lower end of the second mixing cover, and the rectifying plate and the peripheral edge of the upper port of the second mixing cover are sealed through the second sealing ring.

[0021] One second sealing ring can achieve multiple seals between the top end of the second valve body and the lower end of the second mixing cover, and between the rectifying plate and the peripheral edge of the upper port of the second mixing cover, avoiding leakage of the second bubble water at the above connection positions.

[0022] In some embodiments, the rectifying plate is provided with at least two rectifying holes. The at least two rectifying holes enclose a ring, and the rectifying holes are evenly arranged on the ring. The axis of the ring is coaxial with the upper port of the second valve cavity.

[0023] By uniformly arranging rectifying holes on the rectifying plate and ensuring that the axis of the ring formed by the rectifying holes is coaxial with the upper port of the second valve cavity, the second bubble water can enter the second valve cavity in a more uniform posture, avoiding splashing caused by overly concentrated water flow and too rapid water flow.

[0024] In some embodiments, a plurality of rectifying rib plates are arranged on the water outlet valve core. The rectifying rib plates are uniformly arranged on the outer surface of the water outlet valve core, and the outer peripheral surface of the rectifying rib plates fits against the inner wall surface of the second valve cavity to uniformly divide the second valve cavity into a plurality of separate water outlet channels.

[0025] The secondary rectification of the bubble water by the rectifying rib plates further ensures the water outlet effect of the bubble water, avoiding splashing caused by overly concentrated water flow and too rapid water flow.

[0026] The embodiment of the present application also provides a coffee machine, including the bubble water making assembly described in any one of the above embodiments. The coffee machine uses the above bubble water making assembly to add bubble water, making the taste of coffee more delicate and improving the user experience.

[0027] The beneficial effects of the embodiment of the present utility model are as follows:

[0028] The first mixing cover is used to perform the first mixing of water and gas to form the first bubble water, and the second mixing cover is used to perform the secondary mixing of the first bubble water and gas to form the second bubble water. The gas and water are mixed twice, and the produced bubble water is more delicate. Moreover, the smaller the bubbles, the slower they dissipate, improving the taste and ornamental value of the bubble water and the beverages with bubble water. In addition, both the first mixing cover and the second mixing cover are arranged in the first valve cavity, making the structural size of the entire bubble water making assembly smaller. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or related technologies, the following will briefly introduce the drawings required for use in the description of the embodiments or related technologies. Obviously, the drawings in the following description are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0030] Figure 1 It is a schematic structural diagram of the bubble water making assembly of the present utility model;

[0031] Figure 2 It is an exploded view of the structure of the bubble water making assembly of the present utility model;

[0032] Figure 3 It is a cross-sectional view after the structure of the bubble water making assembly of the present utility model is exploded;

[0033] Figure 4 This is a cross-sectional view of the bubble water making assembly of the present utility model;

[0034] Figure 5 This is a schematic cross-sectional structure diagram of the first valve body and the first mixing cover of the present utility model;

[0035] Figure 6 This is a schematic structure diagram of the second valve body and the water outlet valve core of the present utility model;

[0036] Figure 7 This is a schematic structure diagram of the rectifying plate and the second valve body from another angle of the present utility model;

[0037] Figure 8 This is a schematic structure diagram of the first sealing ring, the first mixing cover and the second mixing cover of the present utility model;

[0038] Figure 9 This is a cross-sectional view of the first mixing cover and the second mixing cover of the present utility model;

[0039] Figure 10 This is the present utility model Figure 9 A partial enlarged view of A in;

[0040] Figure 11 This is a cross-sectional view of the second valve body, the water outlet valve core and the rectifying plate of the present utility model.

[0041] Reference numerals: 1, first valve body; 101, water inlet; 102, air inlet; 103, first valve cavity; 2, second valve body; 201, screw hole; 202, second valve cavity; 203, water outlet; 3, first sealing ring; 4, first mixing cover; 401, first mixing cavity; 402, air inlet hole; 5, second mixing cover; 501, second mixing cavity; 502, through hole; 6, second sealing ring; 7, rectifying plate; 701, rectifying hole; 8, water outlet valve core; 801, rectifying bone plate; 9, gap. Detailed implementation manners

[0042] Various solutions and features of the present application are described herein with reference to the accompanying drawings.

[0043] It should be understood that various modifications can be made to the embodiments applied herein. Therefore, the above description should not be regarded as a limitation, but only as an example of the embodiments. Those skilled in the art will think of other modifications within the scope and spirit of the present application.

[0044] The accompanying drawings included in the specification and constituting a part of the specification show the embodiments of the present application, and together with the general description of the present application given above and the detailed description of the embodiments given below are used to explain the principles of the present application.

[0045] These and other features of the present application will become apparent from the following description of the preferred forms of the embodiments given as non-limiting examples with reference to the accompanying drawings.

[0046] It should also be understood that although the present application has been described with reference to some specific examples, those skilled in the art can surely implement many other equivalent forms of the present application.

[0047] When combined with the accompanying drawings, the above and other aspects, features, and advantages of the present application will become more apparent in view of the following detailed description.

[0048] Specific embodiments of the present application will be described hereinafter with reference to the accompanying drawings; however, it should be understood that the claimed embodiments are merely examples of the present application, which can be implemented in various ways. Well-known and / or repetitive functions and structures are not described in detail to avoid obscuring the present application with unnecessary or redundant details. Therefore, the specific structural and functional details claimed herein are not intended to be limiting, but merely as a basis and representative basis for the claims to teach those skilled in the art to use the present application in substantially any suitable detailed structure in a variety of ways.

[0049] This specification may use the phrases "in one embodiment", "in another embodiment", "in yet another embodiment", or "in other embodiments", each of which may refer to one or more of the same or different embodiments according to the present application.

[0050] To solve the problems in the background art, the present utility model provides a bubble water making assembly. As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, the bubble water making assembly includes a first valve body 1, a first mixing cover 4, a second mixing cover 5, and a second valve body 2.

[0051] Among them, the first valve body 1 has a water inlet 101 and a gas inlet 102. The gas inlet 102 is communicated with a first valve cavity 103 of the first valve body 1 so that gas can enter the first valve cavity 103 through the gas inlet 102. The water inlet 101 can be connected to a water tank (not shown in the figure) or other water supply sources, and a valve can be provided at the position of the water inlet 101 or on the water inlet pipe connecting the water inlet 101 and the water tank as needed to open or close the valve as needed, thereby controlling whether water enters through the water inlet 101. The gas inlet 102 can be connected to a gas source (not shown in the figure), and another valve can be provided at the gas inlet 102 or on the gas inlet pipe connecting the gas inlet 102 and the gas source as needed to open or close the valve as needed, thereby controlling whether gas enters the first valve cavity 103 through the gas inlet 102.

[0052] As Figure 5As shown, the first mixing cover 4 is disposed in the first valve cavity 103. The first mixing cover 4 has a first mixing cavity 401. The upper end of the first mixing cover 4 is sealingly connected to the water inlet 101, and the first mixing cavity 401 communicates with the water inlet 101, so that water can enter the first mixing cavity 401 through the water inlet 101 without leakage at the connection between the upper end of the first mixing cover 4 and the water inlet 101. An air inlet hole 402 communicating the first mixing cavity 401 with the first valve cavity 103 is provided on the first mixing cover 4, so that the gas in the first valve cavity 103 can enter the first mixing cavity 401 after being pressurized through the air inlet hole 402 and mix with the water in the first mixing cavity 401 for the first time to form the first bubble water.

[0053] Specifically, the air inlet hole 402 can be a round hole, a square hole, a special-shaped hole, etc., and no specific limitation is made here. The size of the air inlet hole 402 is small, so that the pressure of the gas in the first valve cavity 103 can be increased to a certain extent when passing through the air inlet hole 402 into the first mixing cavity 401, and the pressurized gas entering the first mixing cavity 401 can mix better with the water in the first mixing cavity 401. For example, the pressurized gas entering the first mixing cavity 401 can make the water in the first mixing cavity 401 churn, thereby generating bubbles to produce the first bubble water. The air inlet hole 402 can penetrate the side wall of the first mixing cavity 401 to communicate the first mixing cavity 401 and the first valve cavity 103.

[0054] Of course, it can be understood that the air inlet hole 402 can also be provided at other positions of the first mixing cover 4. Only as an example, this does not constitute a limitation on the protection scope of the claims.

[0055] Combined again Figure 4, the second mixing cover 5 is also arranged in the first valve cavity 103, and the second mixing cover 5 is located below the first mixing cover 4. The second mixing cover 5 has a second mixing cavity 501, and the lower end of the first mixing cover 4 extends into the second mixing cavity 501 so that the first bubble water formed after the first mixing can enter the second mixing cavity 501 for the next re-mixing. There is a gap 9 between the lower end of the first mixing cover 4 and the inner wall of the second mixing cavity 501, so that the gas in the first valve cavity 103 can enter the second mixing cavity 501 after being pressurized through the gap 9 and is secondarily mixed with the bubble water in the second mixing cavity 501 to form the second bubble water. This gap 9 can be an annular gap or gaps arranged at intervals. Specifically, it is determined according to the matching relationship between the outer shape structure of the first mixing cover 4 and the second mixing cavity 501, and no specific limitation is made here. The size of the gap 9 is small, and the pressure of the gas in the first valve cavity 103 is increased to a certain extent when passing through the gap 9. After the pressurized gas enters the second mixing cavity 501, it can be better mixed with the first bubble water in the second mixing cavity 501. Similar to the production principle of the first bubble water, the pressurized gas entering the second mixing cavity 501 can make the first bubble water in the second mixing cavity 501 tumble, thereby generating finer bubbles and producing the second bubble water. After two pressurizations and mixings, the produced second bubble water has a higher fineness, smaller bubbles, and is not easily broken, thereby improving the taste and ornamental value of the bubble water.

[0056] The second valve body 2 is connected to the first valve body 1, and the two can be detachably and fixedly connected by screws cooperating with screw holes 201. For example, as Figure 6 and Figure 7 shown, screw holes 201 are provided at corresponding positions on the first valve body 1 and the second valve body 2. Align the screw holes 201 of the two, and then fix the two with screws. Of course, they can also be connected by other means according to needs. The second valve body 2 has a second valve cavity 202, and a water outlet valve core 8 is arranged in the second valve cavity 202. The second valve cavity 202 is communicated with the second mixing cavity 501 so that the second bubble water in the second mixing cavity 501 can enter the second valve cavity 202 and be discharged through the second valve body 2. Thus, the production of bubble water with good fineness is completed.

[0057] In the embodiment of the present application, the first mixing cover 4 is used to perform the first mixing of water and gas to form the first bubble water, and the second mixing cover 5 is used to perform the secondary mixing of the first bubble water and gas to form the second bubble water. The gas and water are mixed twice, and the produced bubble water is more delicate, and the smaller the bubbles, the slower they dissipate, so that the taste and ornamental value of the bubble water and the drink with bubble water are improved. In addition, both the first mixing cover 4 and the second mixing cover 5 are arranged in the first valve cavity 103, so that the structural size of the entire bubble water production assembly is small.

[0058] In some embodiments, in combination with Figure 5 and Figure 8 , the upper and lower ends of the first mixing chamber 401 each have an opening. The opening at the upper end of the first mixing chamber 401 faces the water inlet 101, and the end face of the opening at the upper end of the first mixing chamber 401 abuts against the inner top wall of the first valve chamber 103, and a first sealing ring 3 is provided therebetween. The first sealing ring 3 can be an O-ring. The opening at the lower end of the first mixing chamber 401 is located inside the second mixing chamber 501. Aligning the port at the upper end of the first mixing chamber 401 with the water inlet 101 and providing the first sealing ring 3 therebetween enables water to enter the first mixing chamber 401 more smoothly without leakage occurring at the connection between the water inlet 101 and the first mixing chamber 401.

[0059] In some embodiments, again in combination with Figure 3 and Figure 5 , a plurality of air inlet holes 402 communicating the first mixing chamber 401 and the first valve chamber 103 are provided on the side wall of the first mixing chamber 401, and the air inlet holes 402 are uniformly arranged around the circumference of the side wall of the first mixing chamber 401. The air inlet holes 402 can be uniformly arranged in a circle around the circumference of the side wall of the first mixing chamber 401, or multiple circles can be provided as needed to improve the efficiency of gas entering the first mixing chamber 401 from the first valve chamber 103. The air inlet holes 402 uniformly provided on the side wall of the first mixing chamber 401 can enable the gas in the first valve chamber 103 to be pressurized more uniformly through the air inlet holes 402 and then uniformly introduced into the first mixing chamber 401 to be mixed with water, making the bubbles in the first bubble water formed in the first mixing chamber 401 more uniform and delicate.

[0060] In some embodiments, the second mixing cover 5 has an upper opening, as Figure 9 and Figure 10As shown, the peripheral edge of the upper open end extends towards the inside of the second mixing chamber 501 and converges towards the center of the second mixing chamber 501 to enclose a frustum-shaped through hole 502. The lower end of the first mixing cover 4 extends into the through hole 502, and an annular gap 9 is formed between the lower end of the first mixing cover 4 and the hole wall of the through hole. As described above, it can be understood that the gap 9 can also be gaps 9 arranged at intervals. Specifically, it is determined according to the matching relationship between the outer shape structure of the first mixing cover 4 and the second mixing chamber 501. The small size of the gap 9 described here means that the distance between the outer peripheral surface of the first mixing cover 4 and the hole wall of the through hole 502 is small. The annular gap 9 formed between the lower end of the first mixing cover 4 and the frustum-shaped through hole 502 formed by the upper open end of the second mixing cover 5 allows the gas in the first valve chamber 103 to be secondarily uniformly pressurized through the gap 9, so that after the gas enters the second mixing chamber 501 through the gap 9, it can be mixed with the first bubble water to produce second bubble water with more uniform fineness. Specifically, the pressure of the gas in the first valve chamber 103 is increased to a certain extent when passing through the gap 9; after the pressurized gas enters the second mixing chamber 501, it can be better mixed with the first bubble water in the second mixing chamber 501, and then finer bubbles are generated to produce second bubble water.

[0061] In some embodiments, referring again to Figure 4 , the upper end of the second valve body 2 extends into the first valve chamber 103 and abuts against the bottom end of the second mixing cover 5. The upper end of the second valve body 2 extending into the first valve chamber 103 is beneficial to reducing the structural size of the entire bubble water making assembly. In addition, the upper end of the second valve body 2 can also support the second mixing cover 5, so that the second mixing cover 5 can be stably held in the first valve chamber 103.

[0062] In some embodiments, referring to Figure 7 and Figure 11 , the bubble water making assembly further includes a rectifying plate 7. An installation position is provided at the upper end of the second valve chamber 202, and the rectifying plate 7 is arranged at the installation position and covers the upper port of the second valve chamber 202. The installation position can be an annular platform provided at the upper end of the second valve chamber 202, and the rectifying plate 7 is placed on this platform. The top end of the second valve body 2 abuts against the lower end of the second mixing cover 5 and the two are sealed and connected to prevent the second bubble water from leaking from the connection position of the two.

[0063] The rectifying plate 7 is provided with rectifying holes 701 penetrating through the rectifying plate 7, so that the bubble water in the second mixing chamber 501 can enter the second valve chamber 202 at a more gentle speed after being rectified through the rectifying holes 701. The rectifying plate 7 can rectify the second bubble water, so that the second bubble water can enter the second mixing chamber 501 in a more gentle and uniform manner. The first rectification of the second bubble water is realized through the rectifying plate 7 to avoid splashing caused by too concentrated flow velocity and too fast flow velocity when the water flows out through the second valve body 2.

[0064] In some embodiments, again in combination with Figure 3 and Figure 4 , the sparkling water making assembly further includes a second sealing ring 6. Between the top end of the second valve body 2 and the lower end of the second mixing cover 5 and between the rectifying plate 7 and the periphery of the upper port of the second mixing cover 5 are sealed by the second sealing ring 6. By means of one second sealing ring 6, multiple seals between the top end of the second valve body 2 and the lower end of the second mixing cover 5 and between the rectifying plate 7 and the periphery of the upper port of the second mixing cover 5 can be achieved, preventing the second sparkling water from leaking at the above connection positions.

[0065] In some embodiments, at least two rectifying holes 701 are provided on the rectifying plate 7. The at least two rectifying holes 701 enclose a circular ring, and the rectifying holes 701 are evenly arranged on the circular ring. The axis of the circular ring is coaxial with the upper port of the second valve cavity 202. For example, as Figure 7 shown, five rectifying holes 701 are provided on the rectifying plate 7. The five rectifying holes 701 surround a circular ring, and the five rectifying holes 701 are evenly arranged on the circular ring. The second sparkling water reduces its flow rate through the five rectifying holes 701 on the rectifying plate 7. By evenly arranging the rectifying holes 701 on the rectifying plate 7 and ensuring that the axis of the circular ring enclosed by the rectifying holes 701 is coaxial with the upper port of the second valve cavity 202, the second sparkling water can enter the second valve cavity 202 in a more uniform state, preventing the water flow from being too concentrated and causing splashing due to too rapid water flow.

[0066] In some embodiments, a number of rectifying ribs 801 are provided on the water outlet valve core 8. The rectifying ribs 801 are evenly arranged on the outer surface of the water outlet valve core 8, and the outer peripheral surface of the rectifying ribs 801 fits against the inner wall surface of the second valve cavity 202, so as to evenly divide the second valve cavity 202 into a number of separate water outlet channels by means of two adjacent rectifying ribs 801 and the inside of the second valve cavity 202. For example, as Figure 3 , Figure 6 and Figure 8 shown, four evenly arranged rectifying ribs 801 can be provided on the water outlet valve core 8 to evenly divide the second valve cavity 202 into four separate water outlet channels. After the second sparkling water passes through the four water outlet channels, it is integrated into a uniform water column with delicate bubbles at the lower port of the second valve cavity 202. By means of the rectifying ribs 801 for secondary rectification of the sparkling water, the water outlet effect of the sparkling water is further ensured, preventing the water flow from being too concentrated and causing splashing due to too rapid water flow.

[0067] The embodiment of the present application also provides a coffee machine, including the sparkling water making assembly described in any one of the above embodiments. This coffee machine uses the above-mentioned sparkling water making assembly to add sparkling water, making the taste of coffee more delicate and improving the user experience.

[0068] The above has described multiple embodiments of the present utility model in detail. However, the present utility model is not limited to these specific embodiments. Based on the concept of the present utility model, those skilled in the art can make various variations and modified embodiments, and these variations and modifications should all fall within the scope of protection required by the present utility model.

Claims

1. A sparkling water making assembly, characterized in that: include: A first valve body (1), comprising a water inlet (101) and an air inlet (102), wherein the air inlet (102) is in communication with a first valve cavity (103) of the first valve body (1), so that gas can enter the first valve cavity (103) through the air inlet (102); a first mixing cover (4), which is arranged in the first valve cavity (103), the first mixing cover (4) having a first mixing cavity (401), the upper end of the first mixing cover (4) being sealedly connected to the water inlet (101), the first mixing cavity (401) being in communication with the water inlet (101), so that water can enter the first mixing cavity (401) through the water inlet (101); the first mixing cover (4) is provided with an air inlet (402) in communication with the first mixing cavity (401) and the first valve cavity (103), so that the gas in the first valve cavity (103) can enter the first mixing cavity (401) after being pressurized through the air inlet (402), and be mixed with the water in the first mixing cavity (401) for the first time to form first bubble water; a second mixing cover (5), which is arranged in the first valve chamber (103); the second mixing cover (5) has a second mixing chamber (501); the lower end of the first mixing cover (4) extends into the second mixing chamber (501), so that the first bubble water formed after the first mixing can enter the second mixing chamber (501); a gap (9) is provided between the lower end of the first mixing cover (4) and the inner wall of the second mixing chamber (501), so that the gas in the first valve chamber (103) can enter the second mixing chamber (501) after being pressurized through the gap (9), and mix with the bubble water in the second mixing chamber (501) for the second time to form the second bubble water; A second valve body (2) is connected to the first valve body (1); the second valve body (2) has a second valve cavity (202); a water outlet valve core (8) is arranged in the second valve cavity (202); the second valve cavity (202) is communicated with the second mixing cavity (501), so that the second bubble water in the second mixing cavity (501) can enter the second valve cavity (202) and be discharged through the second valve body (2).

2. The sparkling water making assembly according to claim 1, characterized in that: The upper end and the lower end of the first mixing chamber (401) are respectively provided with openings. The upper end opening of the first mixing chamber (401) is directly opposite to the water inlet (101), and the end surface of the upper end opening of the first mixing chamber (401) abuts against the inner top wall of the first valve chamber (103), and a first sealing ring (3) is provided between the two. The lower end opening of the first mixing chamber (401) is located in the second mixing chamber (501).

3. The sparkling water making assembly according to claim 1, characterized in that: A plurality of air inlet holes (402) connecting the first mixing chamber (401) and the first valve chamber (103) are provided on the side wall of the first mixing chamber (401), and the air inlet holes (402) are evenly arranged around the circumference of the side wall of the first mixing chamber (401).

4. The sparkling water making assembly according to claim 1, characterized in that: The second mixing cover (5) has an upper opening, the periphery of which extends toward the second mixing chamber (501) and converges toward the center of the second mixing chamber (501) to form a truncated cone-shaped through hole (502), and the lower end of the first mixing cover (4) extends into the through hole (502) to form an annular gap (9) with the hole wall of the through hole (502).

5. The sparkling water making assembly according to claim 1, characterized in that: The upper end of the second valve body (2) extends into the first valve cavity (103) and abuts against the bottom end of the second mixing cover (5).

6. The sparkling water making assembly according to claim 1, characterized in that: The sparkling water making assembly further comprises a rectifying plate (7), the upper end of the second valve cavity (202) is provided with a mounting position, the rectifying plate (7) is arranged on the mounting position and covers the upper end of the second valve cavity (202), the top end of the second valve body (2) abuts against the lower end of the second mixing cover (5) and the two are sealed and connected; The rectifying plate (7) is provided with a rectifying hole (701) penetrating the rectifying plate (7), so that the bubble water in the second mixing chamber (501) can enter the second valve chamber (202) after being rectified through the rectifying hole (701).

7. The sparkling water making assembly according to claim 6, characterized in that: The sparkling water making assembly further comprises a second sealing ring (6), and the top end of the second valve body (2) and the lower end of the second mixing cover (5) as well as the rectifier plate (7) and the periphery of the upper port of the second mixing cover (5) are sealed by the second sealing ring (6).

8. The sparkling water making assembly according to claim 6, characterized in that: At least two rectifying holes (701) are provided on the rectifying plate (7), and at least two rectifying holes (701) form a circular ring. The rectifying holes (701) are evenly arranged on the circular ring, and the axis of the circular ring is coaxial with the upper port of the second valve cavity (202).

9. The sparkling water making assembly according to claim 1, characterized in that: A plurality of rectifying bone plates (801) are arranged on the water outlet valve core (8), and the rectifying bone plates (801) are evenly arranged on the outer peripheral surface of the water outlet valve core (8), and the outer peripheral surface of the rectifying bone plates (801) is attached to the inner wall surface of the second valve cavity (202), so as to evenly divide the second valve cavity (202) into a plurality of separate water outlet channels.

10. A coffee machine, characterized in that The sparkling water making component comprises any one of claims 1 to 9.

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