Milk foam mixing machine with adjusting structure

Abstract

The utility model relates to a milk foam mixer with an adjusting structure, which comprises a mixing cavity for mixing air, hot steam and liquid, a fixed part, a movable part and an adjusting component, an air passage communicated with the air inlet passage is arranged between the fixed part and the movable part; the output end of the adjusting assembly is connected with the movable part, the movable part has different movable positions on the fixed part, the adjusting assembly drives the movable part to move relative to the fixed part so as to adjust the position of the movable part on the fixed part, the movable part moves to the corresponding different position angles, and ventilation channels with different air inlet areas are formed between the movable part and the fixed part. A user can adjust the air inlet amount of the air entering the mixing cavity according to needs of the user, and the technical problem that an existing milk foam maker device cannot adjust the air inlet amount of the external air entering the mixing cavity is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of milk foam mixing, and specifically relates to a milk foam mixer with an adjusting structure. Background Technique

[0002] A milk foamer device mixes air, hot steam and milk to form milk foam for mixing with coffee to make fancy coffee; however, the existing milk foamer cannot adjust the intake air volume of external air. For example, a milk foamer device disclosed in Chinese Patent No. ZL 202322307476.7 includes a foamer main body, and a steam channel, a milk inlet channel, a milk outlet channel and a mixing cavity are arranged in the foamer main body. The steam outlet of the steam channel and the liquid outlet of the milk inlet channel are respectively communicated with the mixing cavity, and the mixing cavity is communicated with the liquid inlet of the milk outlet channel. Air, hot steam and milk are mixed in the mixing cavity, but users cannot adjust the intake air volume of external air entering the mixing cavity according to actual needs. Therefore, further improvement is needed. Content of the Utility Model

[0003] The purpose of the utility model is to provide a milk foam mixer with an adjusting structure. A ventilation channel is arranged between a fixed part and a movable part. When the movable part moves to corresponding different position angles, ventilation channels with different intake air areas are formed between the movable part and the fixed part, so as to realize the adjustment of the intake air volume of air entering the mixing cavity, and solve the technical problem that the existing milk foamer device cannot adjust the intake air volume of external air entering the mixing cavity.

[0004] The purpose of the utility model is realized as follows:

[0005] A milk foam mixer with an adjusting structure includes a mixing cavity for mixing air, hot steam and liquid. An intake channel communicating with external air is arranged on the mixing cavity, and further includes a fixed part, a movable part and an adjusting component;

[0006] A ventilation channel communicating with the intake channel is arranged between the fixed part and the movable part;

[0007] The output end of the adjusting component is connected to the movable part. The movable part has different movable positions on the fixed part. The adjusting component drives the movable part to move relative to the fixed part to adjust the position of the movable part on the fixed part. When the movable part moves to corresponding different position angles, ventilation channels with different intake air areas are formed between the movable part and the fixed part, so as to realize the adjustment of the intake air volume of air entering the mixing cavity. Users can adjust the intake air volume of external air entering the mixing cavity according to their own needs, and solve the technical problem that the existing milk foamer device cannot adjust the intake air volume of external air entering the mixing cavity.

[0008] The adjusting assembly includes a positioning member that is immovable relative to the fixed member and / or the movable member, and an adjusting member that is relatively movable and arranged on the positioning member and is transmission-connected to the movable member, and a positioning matching portion having an unlocked state and a locked state is provided between the adjusting member and the positioning member;

[0009] When the adjusting member is in a pending state, the positioning matching portion is in a locked state;

[0010] The adjusting member drives the movable member to move, and the positioning matching part switches from the locked state to the unlocked state. The adjusting member moves to the corresponding position angle and is positioned on the positioning member through the positioning matching part, and the movable member after the adjustment is locked on the fixed member. The adjusting member and the positioning member are provided with a positioning matching part with a locked state and an unlocked state. When the adjusting member and the movable member are in the adjustment state, the positioning matching part is in the unlocked state. After the adjusting member and the movable member are adjusted and moved, the positioning matching part is in the locked state, and the adjusting member and the movable member cannot move at will.

[0011] The adjustment assembly also includes an elastic member arranged between the adjustment member and the movable member; one end of the elastic member elastically acts on the adjustment member, and the other end of the elastic member elastically acts on the movable member;

[0012] The adjusting member drives the movable member to move, the elastic member is elastically deformed, and the positioning matching portion is switched from a locked state to an unlocked state;

[0013] The adjusting member moves to a corresponding position angle, the elastic member is reset, and the positioning matching portion is reset from an unlocked state to a locked state.

[0014] By providing the elastic member, the positioning matching portion between the adjusting member and the positioning member can be easily unlocked and locked by elastic deformation.

[0015] The positioning matching part includes a plurality of positioning grooves arranged on the positioning member and a positioning protrusion arranged on the adjusting member;

[0016] A plurality of positioning grooves are arranged on the positioning member in a circumferentially spaced array, the adjusting member moves to a corresponding position angle, the positioning protrusion is positioned on the positioning groove, and the positioning matching portion is in a locked state;

[0017] The adjusting member moves and drives the positioning protrusion to disengage from the positioning groove, and the positioning matching part is in an unlocked state.

[0018] A rotational matching portion is provided between the adjusting member and the positioning member, and the adjusting member is rotationally matched with the positioning member through the rotational matching portion; when the adjusting member moves, it is limitedly rotated on the positioning member through the rotational matching portion.

[0019] The rotational matching part is a stepped or stepless rotational matching part, and the adjusting part is rotated on the positioning part in a stepped or stepless manner.

[0020] The fixing member is provided with a plurality of air inlet holes with different air inlet areas, and the plurality of air inlet holes with different air inlet areas are arranged in an arc-shaped spaced array on the fixing member. The movable member is provided with a ventilation hole. When the movable member moves to corresponding different position angles and corresponds to the corresponding air inlet holes, a ventilation passage communicating with the air inlet passage is formed between the fixing member and the movable member;

[0021] The areas of the plurality of air inlet holes gradually increase or gradually decrease along the moving direction of the movable member;

[0022] There is only one ventilation hole on the movable member. After the movable member is locked at each azimuth position angle, the ventilation hole of the movable member corresponds to the air inlet hole on the fixing member. Since the area of each air inlet hole on the fixing member is different, the air inlet volume of the air entering the mixing chamber can be adjusted.

[0023] Alternatively, the fixing member is provided with an air inlet channel, and the movable member is provided with a ventilation channel. The ventilation channel and the air inlet channel are arranged in an upper and lower stacked manner. The movable member moves to adjust the overlapping area between the ventilation channel and the air inlet channel, thereby changing the air inlet area of the ventilation passage between the fixing member and the movable member.

[0024] The positioning member is provided with a rotation limiting groove, and a transmission member is arranged on the rotation limiting groove. One end of the transmission member is connected to the movable member, and the adjusting member is connected to the transmission member. The adjusting member is in transmission connection with the movable member through the transmission member. The adjusting member moves and drives the transmission member to rotate and be limited on the rotation limiting groove, and the movable member rotates on the fixing member along with the transmission member.

[0025] A connection and cooperation part is arranged at the connection and cooperation position between the adjusting member and the transmission member, and the adjusting member and the transmission member are detachably connected or fixedly connected through the connection and cooperation part.

[0026] A positioning connection part and / or a connecting part is arranged at the connection and cooperation position between the movable member and the transmission member: the movable member and the transmission member are connected through the positioning connection part; one end of the connecting part penetrates through the movable member from bottom to top and is fixedly connected to the transmission member.

[0027] The milk foam mixer with an adjusting structure further includes a cover body assembly detachably installed on the machine body. The cover body assembly includes an upper cover and a bottom cover connected in a split manner, and a mixing chamber is arranged between the upper cover and the bottom cover; the upper cover is provided with a fixing cavity for accommodating and installing the fixing member and the positioning member. The fixing member is limited in the fixing cavity, and the positioning member is fixedly installed in the fixing cavity and supported on the fixing member. The fixing member is vertically limited between the positioning member and the inner bottom wall of the fixing cavity; the positioning member is provided with a cavity communicated with the ventilation passage, and an air inlet gap communicating the outside air with the cavity is formed by the installation gap between the adjusting member and the positioning member; alternatively, the adjusting member is provided with an air inlet hole communicating the outside air with the cavity.

[0028] The fixing member is vertically limited between the positioning member and the inner bottom wall of the fixing cavity to prevent the fixing member from rotating along with the movable member.

[0029] The positioning member is fixedly installed in the fixed cavity to prevent the technical problem that the positioning member rotates with the adjusting member and causes the positioning and mating part to fail.

[0030] The beneficial effects of the present utility model are as follows:

[0031] The movable member moves to corresponding different positions and angles and forms a ventilation passage with different air intake areas between the fixed members, so as to adjust the air intake volume of the air entering the mixing cavity. Users can adjust the air intake volume of the air entering the mixing cavity from the outside according to their own needs, and solve the technical problem that the existing milk frother device cannot adjust the air intake volume of the outside air entering the mixing cavity.

[0032] The upper cover and the bottom cover are detachably and cooperatively connected. After the upper cover and the bottom cover are assembled, a mixing cavity is formed. The upper cover and the bottom cover are jointly detached from the machine body, and then the upper cover and the bottom cover are separated, which is convenient for cleaning the mixing cavity. Users can directly clean the inner wall of the mixing cavity, avoid the dirt remaining on the mixing cavity after long-term use of the milk frother, and ensure the cleanliness of the machine for the next use, and solve the technical problem that the existing method can only wash the inner wall of the mixing cavity with water, which is likely to cause dirt to continue to remain on the mixing cavity.

[0033] The thickness of the bottom cover of the cover body assembly is designed to be relatively thinner than the thickness of the upper cover. The product has a small volume. The adjusting member and the movable member are assembled into an air intake volume adjusting device arranged on the top of the upper cover, which is convenient for users to operate from the top of the product, so as to achieve the purpose of controlling the size of the air intake volume of the air entering the mixing cavity. The size of the air intake volume can determine the size and density of the milk foam, so it is convenient for users to adjust the milk foam state. When the volume of the product is relatively small, the fineness of the milk foam can be adjusted, and the technical problem that the existing product with a small volume cannot adjust the fineness of the milk foam is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the assembled and disassembled structure of the adjusting assembly of the milk foam mixer according to an embodiment of the present utility model.

[0035] Figure 2 It is a schematic diagram of the cross-sectional structure of the mixing cavity of the milk foam mixer according to an embodiment of the present utility model.

[0036] Figure 3 It is a schematic diagram of the cross-sectional structure of the adjusting assembly according to an embodiment of the present utility model.

[0037] Figure 4 It is a schematic diagram of the cross-sectional assembled and disassembled structure of the adjusting assembly according to an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0038] The present utility model will be further described below with reference to the drawings and embodiments.

[0039] See Figures 1-4, a milk froth mixer with an adjustment structure, comprising a mixing chamber 1 for mixing air, hot steam and liquid, an air inlet 2 connected to the outside air is provided on the mixing chamber 1, and also comprises a fixing part 3, a movable part 4 and an adjustment component 5;

[0040] An air passage connected to the air inlet 2 is provided between the fixed part 3 and the movable part 4;

[0041] The output end of the adjustment component 5 is connected to the movable part 4, and the movable part 4 has different movable positions on the fixed part 3. The adjustment component 5 drives the movable part 4 to move relative to the fixed part 3 to adjust the position of the movable part 4 on the fixed part 3. The movable part 4 moves to corresponding different position angles and forms air passages with different air intake areas between the fixed part 3 to adjust the air intake amount entering the mixing chamber 1.

[0042] The adjusting assembly 5 includes a positioning member 6 which is immovable relative to the fixed member 3 and / or the movable member 4, and an adjusting member 7 which is relatively movable and arranged on the positioning member 6 and is transmission-connected to the movable member 4, and a positioning matching portion 8 having an unlocking state and a locking state is provided between the adjusting member 7 and the positioning member 6;

[0043] When the adjusting member 7 is in the pending state, the positioning matching portion 8 is in the locked state;

[0044] The adjusting member 7 drives the movable member 4 to move, and the positioning fitting part 8 switches from the locked state to the unlocked state. The adjusting member 7 moves to the corresponding position angle and is positioned on the positioning member 6 through the positioning fitting part 8, and the movable member 4 after adjustment is locked on the fixing member 3.

[0045] The adjustment assembly 5 further includes an elastic member 9 disposed between the adjustment member 7 and the movable member 4; one end of the elastic member 9 elastically acts on the adjustment member 7, and the other end of the elastic member 9 elastically acts on the movable member 4;

[0046] The adjusting member 7 drives the movable member 4 to move, the elastic member 9 is elastically deformed, and the positioning matching portion 8 is switched from the locked state to the unlocked state;

[0047] The adjusting member 7 moves to a corresponding position angle, the elastic member 9 is reset, and the positioning matching portion 8 is reset from the unlocked state to the locked state.

[0048] In this embodiment, the elastic member 9 is a compression spring.

[0049] The positioning matching portion 8 includes a plurality of positioning grooves 10 provided on the positioning member 6 and a positioning protrusion 11 provided on the adjusting member 7;

[0050] A plurality of positioning grooves 10 are arranged in a circumferentially spaced array on the positioning member 6, the adjusting member 7 moves to a corresponding position angle, the positioning protrusion 11 is positioned on the positioning groove 10, and the positioning matching portion 8 is in a locked state;

[0051] The adjusting member 7 moves and drives the positioning projection 11 to disengage from the positioning groove 10, and the positioning and mating portion 8 is in an unlocked state.

[0052] In this embodiment, the inner bottom wall of the positioning groove 10 is arc-shaped, and the mating portion of the positioning projection 11 and the positioning groove 10 is spherical. When the adjusting member 7 is locked, the spherical positioning projection 11 is locked and positioned on the positioning groove 10 with an arc-shaped bottom wall; when unlocking, the spherical end of the positioning projection 11 of the adjusting member 7 disengages from the positioning groove 10 along the arc-shaped bottom wall.

[0053] A rotating mating portion 12 is provided between the adjusting member 7 and the positioning member 6, and the adjusting member 7 is rotationally and matingly connected to the positioning member 6 through the rotating mating portion 12;

[0054] The rotating mating portion 12 is a stepped or stepless rotating mating portion, and the adjusting member 7 rotates stepwise or steplessly on the positioning member 6.

[0055] The fixing member 3 is provided with a plurality of air inlet holes 13 with different air inlet areas. The plurality of air inlet holes 13 with different air inlet areas are arranged in an arc-shaped spaced array on the fixing member 3. The moving member 4 is provided with a ventilation hole 14. When the moving member 4 moves to corresponding different position angles and corresponds to the corresponding air inlet holes 13, a ventilation passage communicating with the intake passage 2 is formed between the fixing member 3 and the moving member 4;

[0056] The plurality of air inlet holes 13 gradually increase or gradually decrease along the moving direction of the moving member 4;

[0057] When the moving member 4 moves to corresponding different position angles and corresponds to the corresponding air inlet holes 13, only one air inlet hole 13 on the fixing member 3 is opened, and the remaining air inlet holes 13 are closed.

[0058] In this embodiment, the moving member 4 is located above the fixing member 3 and is arranged in an upper and lower stacked manner with the fixing member 3. The moving member 4 is rotatably arranged on the fixing member 3, and the moving member 4 is driven to rotate on the fixing member 3 by rotating the adjusting member 7.

[0059] Alternatively, the fixing member 3 is provided with an air inlet channel, and the moving member 4 is provided with a ventilation channel. The ventilation channel and the air inlet channel are arranged in an upper and lower stacked manner. The moving member 4 moves to adjust the overlapping area between the ventilation channel and the air inlet channel, thereby changing the air inlet area of the ventilation passage between the fixing member 3 and the moving member 4.

[0060] The positioning member 6 is provided with a rotation limiting groove 15. A transmission member 16 is provided on the rotation limiting groove 15. One end of the transmission member 16 is connected to the moving member 4. The adjusting member 7 is connected to the transmission member 16. The adjusting member 7 is drivingly connected to the moving member 4 through the transmission member 16. The adjusting member 7 moves and drives the transmission member 16 to rotate limitedly on the rotation limiting groove 15, and the moving member 4 rotates on the fixing member 3 along with the transmission member 16.

[0061] A connecting and mating portion 17 is provided at the connection and mating location between the adjusting member 7 and the transmission member 16. The adjusting member 7 and the transmission member 16 are detachably connected or fixedly connected through the connecting and mating portion 17.

[0062] In this embodiment, the connecting and mating portion 17 includes a buckle provided on the adjusting member 7 and a buckling hole provided on the transmission member 16. The buckle extends downward from the bottom of the adjusting member 7, and the buckle is buckled on the buckling hole, and the adjusting member 7 and the transmission member 16 are fixedly connected.

[0063] A positioning connection portion 18 and / or a connecting member 19 are provided at the connection and mating location between the movable member 4 and the transmission member 16: the movable member 4 and the transmission member 16 are connected through the positioning connection portion 18; one end of the connecting member 19 penetrates the movable member 4 from bottom to top and is fixedly connected to the transmission member 16.

[0064] In this embodiment, a threaded hole is provided on the transmission member 16, a stud inserted into the threaded hole is provided on the connecting member 19, a tapered table is provided on the connecting member 19, and a tapered groove in limiting fit with the tapered table is provided on the movable member 4. The stud of the connecting member 19 penetrates the movable member 4 from bottom to top and is inserted into the threaded hole of the transmission member 16, and the tapered table is limited on the tapered groove.

[0065] The milk foam mixer with an adjusting structure further includes a cover body assembly 21 detachably mounted on the machine body 20. The cover body assembly 21 includes an upper cover 22 and a bottom cover 23 connected in a split manner. A mixing chamber 1 is provided between the upper cover 22 and the bottom cover 23; a fixing cavity 24 for accommodating and mounting the fixing member 3 and the positioning member 6 is provided on the upper cover 22. The fixing member 3 is limited within the fixing cavity 24, the positioning member 6 is fixedly mounted within the fixing cavity 24 and supported on the fixing member 3, and the fixing member 3 is vertically limited between the positioning member 6 and the inner bottom wall of the fixing cavity 24; the positioning member 6 is provided with a cavity 25 communicating with the air passage, and an intake gap communicating the outside air with the cavity 25 is formed by the installation gap between the adjusting member 7 and the positioning member 6; alternatively, an intake hole communicating the outside air with the cavity 25 is provided on the adjusting member 7.

[0066] In this embodiment, an internal thread is provided on the fixing cavity 24, and an external thread is provided on the outer surface of the positioning member 6. The positioning member 6 is fixedly mounted on the fixing cavity 24 through threaded connection.

[0067] In this embodiment, a positioning post for inserting the fixing member 3 is provided on the fixing cavity 24 to prevent the fixing member 3 from moving within the fixing cavity 24.

[0068] In this embodiment, the material of the fixing member 3 is ceramic.

[0069] In this embodiment, a sealing ring is provided between the fixing cavity 24 and the fixing member 3 to prevent water vapor from entering the gap of the connection and mating location between the fixing cavity 24 and the positioning member 6.

[0070] In this embodiment, the cover assembly 21 is detachably mounted on the top of the body 20 by elastic buckles.

[0071] The above is the preferred solution of the present invention, which shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A milk foam mixer with an adjustment structure, comprising a mixing chamber (1) for mixing air, hot steam and liquid, and an air inlet channel (2) communicating with the outside air is arranged on the mixing chamber (1), and is characterized in that: It also includes a fixing part (3), a movable part (4) and an adjusting component (5); An air passage communicating with the air inlet passage (2) is provided between the fixed part (3) and the movable part (4); The output end of the regulating component (5) is connected to the movable part (4), and the movable part (4) has different movable positions on the fixed part (3). The regulating component (5) drives the movable part (4) to move relative to the fixed part (3) to adjust the position of the movable part (4) on the fixed part (3). The movable part (4) moves to corresponding different position angles and forms air passages with different air intake areas between the movable part (4) and the fixed part (3), so as to adjust the air intake amount of air entering the mixing chamber (1).

2. The milk foam mixer with an adjustment structure according to claim 1, characterized in that: The adjustment assembly (5) comprises a positioning member (6) which is immovable relative to the fixed member (3) and / or the movable member (4), and an adjustment member (7) which is movably arranged on the positioning member (6) and is drivingly connected to the movable member (4), wherein a positioning matching portion (8) having an unlocked state and a locked state is provided between the adjustment member (7) and the positioning member (6); When the adjusting member (7) is in a pending state, the positioning matching portion (8) is in a locked state; The adjusting member (7) drives the movable member (4) to move, the positioning matching portion (8) switches from a locked state to an unlocked state, the adjusting member (7) moves to a corresponding position angle and is positioned on the positioning member (6) through the positioning matching portion (8), and the movable member (4) after adjustment is locked on the fixing member (3).

3. The milk foam mixer with an adjustment structure according to claim 2, wherein: The adjustment assembly (5) further comprises an elastic member (9) arranged between the adjustment member (7) and the movable member (4); one end of the elastic member (9) elastically acts on the adjustment member (7), and the other end of the elastic member (9) elastically acts on the movable member (4); The adjusting member (7) drives the movable member (4) to move, the elastic member (9) elastically deforms, and the positioning matching portion (8) switches from a locked state to an unlocked state; The adjusting member (7) moves to a corresponding position angle, the elastic member (9) is reset, and the positioning matching portion (8) is reset from an unlocked state to a locked state.

4. The milk foam mixer with an adjustment structure according to claim 2, characterized in that: The positioning matching portion (8) comprises a plurality of positioning grooves (10) provided on the positioning member (6), and a positioning protrusion (11) provided on the adjusting member (7); A plurality of positioning grooves (10) are arranged on the positioning member (6) in a circumferentially spaced array, the adjusting member (7) moves to a corresponding position angle, the positioning protrusion (11) is positioned on the positioning groove (10), and the positioning matching portion (8) is in a locked state; The adjusting member (7) moves and drives the positioning protrusion (11) to disengage from the positioning groove (10), and the positioning matching portion (8) is in an unlocked state.

5. The milk foam mixer with an adjustment structure according to claim 2, characterized in that: A rotationally fitting portion (12) is provided between the adjusting member (7) and the positioning member (6), and the adjusting member (7) is rotationally fitted and connected to the positioning member (6) via the rotationally fitting portion (12); The rotational matching part (12) is a stepped or stepless rotational matching part, and the adjusting member (7) is rotated on the positioning member (6) in a stepped or stepless manner.

6. The milk foam mixer with an adjustment structure according to claim 2, characterized in that: The fixing member (3) is provided with a plurality of air inlet holes (13) with different air inlet areas. The plurality of air inlet holes (13) with different air inlet areas are arranged in an arc-shaped spaced array on the fixing member (3). The movable member (4) is provided with a ventilation hole (14). When the movable member (4) moves to corresponding different position angles and corresponds to the corresponding air inlet holes (13), a ventilation passage communicating with the air inlet passage (2) is formed between the fixing member (3) and the movable member (4). The plurality of air inlet holes (13) gradually increase or gradually decrease along the moving direction of the movable member (4). Alternatively, the fixing member (3) is provided with an air inlet channel, and the movable member (4) is provided with a ventilation channel. The ventilation channel and the air inlet channel are arranged in an upper and lower stacked manner. The movable member (4) moves to adjust the overlapping area between the ventilation channel and the air inlet channel, thereby changing the air inlet area of the ventilation passage between the fixing member (3) and the movable member (4).

7. The milk foam mixer with an adjustment structure according to claim 2, characterized in that: The positioning member (6) is provided with a rotation limiting groove (15). A transmission member (16) is provided on the rotation limiting groove (15). One end of the transmission member (16) is connected to the movable member (4). The adjusting member (7) is connected to the transmission member (16). The adjusting member (7) is in transmission connection with the movable member (4) through the transmission member (16). The adjusting member (7) moves and drives the transmission member (16) to rotate and be limited on the rotation limiting groove (15). The movable member (4) rotates on the fixing member (3) along with the transmission member (16).

8. The milk foam mixer with an adjustment structure according to claim 7, characterized in that: A connection and cooperation portion (17) is provided at the connection and cooperation position between the adjusting member (7) and the transmission member (16). The adjusting member (7) and the transmission member (16) are detachably connected or fixedly connected through the connection and cooperation portion (17).

9. The milk foam mixer with an adjustment structure according to claim 7, characterized in that: A positioning connection portion (18) and / or a connecting member (19) are provided at the connection and cooperation position between the movable member (4) and the transmission member (16): The movable member (4) is connected to the transmission member (16) through the positioning connection portion (18); One end of the connecting member (19) penetrates through the movable member (4) from bottom to top and is fixedly connected to the transmission member (16).

10. The milk foam mixer with an adjustment structure according to claim 2, wherein: It further includes a cover assembly (21) detachably mounted on the machine body (20). The cover assembly (21) includes an upper cover (22) and a bottom cover (23) connected in a split manner. A mixing chamber (1) is provided between the upper cover (22) and the bottom cover (23); The upper cover (22) is provided with a fixing cavity (24) for accommodating and installing the fixing member (3) and the positioning member (6). The fixing member (3) is limited in the fixing cavity (24). The positioning member (6) is fixedly installed in the fixing cavity (24) and supported on the fixing member (3). The fixing member (3) is vertically limited between the positioning member (6) and the inner bottom wall of the fixing cavity (24); The positioning member (6) is provided with a cavity (25) communicating with the ventilation passage. The installation gap between the adjusting member (7) and the positioning member (6) forms an air inlet gap communicating the outside air with the cavity (25); Alternatively, the adjusting member (7) is provided with an air inlet hole communicating the outside air with the cavity (25).

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