Milk foam machine

Abstract

The milk foam machine comprises a machine body, a driving device, a transmission shaft assembly, a stirring piece and an installation piece, the machine body is provided with a stirring cavity and a lower containing cavity, the stirring cavity is located above the lower containing cavity and provided with an upward opening, the driving device is arranged on the machine body and located in the lower containing cavity, and the transmission shaft assembly is in transmission connection with the driving device. The machine body is provided with a first connecting hole communicated with the stirring cavity and the lower containing cavity, the transmission shaft assembly penetrates through the first connecting hole and is provided with a first annular matching part in the circumferential direction, the first annular matching part is located in the stirring cavity, and the stirring part transmission shaft assembly penetrates through the stirring part so that the stirring part can abut against the upper portion of the first annular matching part in a matched mode. A second annular matching part is arranged in the circumferential direction of the mounting piece, the mounting piece can be detachably connected with the transmission shaft assembly, the second annular matching part can press the stirring piece to the first annular matching part, dead angles can be reduced, and cleaning is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a milk frother. Background Art

[0002] When preparing beverages, milk foam is added to improve the taste of the beverages. At present, there are milk frothers dedicated to making milk foam on the market. In the prior art, a milk frother generally includes a cup body and a stirring mechanism. The bottom of the cup body can be penetrated by the transmission shaft of the stirring mechanism. Stirring blades are provided on the stirring shaft. The milk in the cup body is stirred and foamed by the stirring blades. However, during cleaning, there are hard-to-clean dead corners between the stirring blades and the transmission shaft, and it is not convenient to disassemble the stirring blades for cleaning. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a milk frother, which can solve the problem that the stirring mechanism is difficult to clean.

[0004] The milk frother according to the first aspect embodiment of the utility model includes: a machine body, a driving device, a transmission shaft assembly, a stirring member and a mounting member. The machine body has a stirring cavity and a lower cavity. The stirring cavity is located above the lower cavity, and the stirring cavity has an upward opening. The driving device is arranged in the machine body and located in the lower cavity. The transmission shaft assembly is in transmission connection with the driving device. The machine body is provided with a first connection hole communicating the stirring cavity and the lower cavity. The transmission shaft assembly passes through the first connection hole, and a first annular fitting portion is provided on the circumference of the transmission shaft assembly. The first annular fitting portion is located in the stirring cavity. The stirring member is penetrated by the transmission shaft assembly so that the stirring member is in mating contact with the upper part of the first annular fitting portion. The mounting member is provided with a second annular fitting portion on the circumference. The mounting member can be detachably connected to the transmission shaft assembly, and the second annular fitting portion can press the stirring member against the first annular fitting portion.

[0005] The milk frother according to the embodiment of the utility model has at least the following beneficial effects: The second annular fitting portion and the first annular fitting portion can press the stirring member against the transmission shaft assembly, so as to reduce the gap between the stirring member and the transmission shaft assembly, reduce the sanitary dead corners, facilitate cleaning, and the mounting member can be disassembled so that the stirring member can be disassembled for cleaning. After the stirring member is disassembled, the transmission shaft assembly can also be fully cleaned.

[0006] According to some embodiments of the present utility model, the transmission shaft assembly includes a first transmission shaft and a mounting sleeve. The first transmission shaft is in transmission connection with the driving device. The mounting sleeve is in transmission connection with the first transmission shaft, and the first transmission shaft passes through the mounting sleeve. The driving device can drive the first transmission shaft to rotate, and the first transmission shaft can drive the mounting sleeve to rotate. The first annular fitting portion is provided on the mounting sleeve.

[0007] According to some embodiments of the present utility model, the mounting sleeve has a mounting hole, and the bottom of the mounting sleeve has a first transmission groove. The first transmission groove is arranged around the mounting hole. The first transmission shaft is circumferentially provided with a transmission portion, and the transmission portion can cooperate with the first transmission groove to drive the mounting sleeve to rotate.

[0008] According to some embodiments of the present utility model, the upper part of the first transmission shaft is provided with an annular limiting groove, and the mounting sleeve is provided with an annular limiting portion. The annular limiting portion is arranged on the inner wall of the mounting hole, and the annular limiting portion can cooperate with the annular limiting groove to limit the axial relative movement of the mounting sleeve with respect to the first transmission shaft.

[0009] According to some embodiments of the present utility model, an annular mounting boss extending along its axial direction is provided on one side of the mounting sleeve away from the driving device. The bottom of the mounting member has a mounting groove, and the inner side wall of the mounting groove is provided with internal threads. The outer side wall of the annular mounting boss is provided with external threads, so that the mounting member can be threadedly connected with the annular mounting boss.

[0010] According to some embodiments of the present utility model, an operating portion extending upward is provided on the top of the mounting member, and the operating portion can be operated and rotated by the user.

[0011] According to some embodiments of the present utility model, a transmission hole is provided in the middle of the stirring member, and a second transmission groove is provided on the side wall of the transmission hole. The mounting member is provided with a transmission block, and the transmission block can cooperate with the second transmission groove to drive the stirring member to rotate.

[0012] According to some embodiments of the present utility model, the stirring member includes a turntable and a baffle. The baffle is arranged at the bottom of the turntable, and the baffle extends along the radial direction of the turntable. The turntable is provided with a first through hole, and the first through hole is located on the side facing the rotation direction of the baffle.

[0013] According to some embodiments of the present utility model, the stirring member includes a turntable. The turntable is in an arch shape, and the turntable is provided with a plurality of second through holes. The second through holes are arranged at intervals around the circumference of the transmission shaft assembly.

[0014] According to some embodiments of the present utility model, the machine body includes a housing member, a partition assembly, and a cylinder body. The housing member has a receiving cavity with an upward opening. The partition assembly is disposed in the receiving cavity to divide the receiving cavity into an upper receiving cavity and the lower receiving cavity. The bottom of the cylinder body is detachably connected to the partition assembly to divide the upper receiving cavity into the stirring cavity.

[0015] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0016] The above or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, where:

[0017] Figure 1 is an external schematic diagram of an embodiment of the present utility model;

[0018] Figure 2 is Figure 1 an exploded schematic diagram of;

[0019] Figure 3 is Figure 1 a cross-sectional view of;

[0020] Figure 4 is a structural schematic diagram of the mounting bushing;

[0021] Figure 5 is Figure 3 a partial enlarged view of part A in;

[0022] Reference Signs:

[0023] Machine body 100, Stirring cavity 110, Lower receiving cavity 120, First connection hole 130, Housing member 140, Partition assembly 150, Cylinder body 160;

[0024] Drive device 200;

[0025] Drive shaft assembly 300, First annular mating portion 310, First drive shaft 320, Transmission portion 321, Annular limiting groove 322, Mounting bushing 330, Mounting hole 331, First transmission groove 332, Annular limiting portion 333, Annular mounting boss 334;

[0026] Stirring member 400, Turntable 410, First through hole 411, Second through hole 412, Baffle 420, Transmission hole 430, Second transmission groove 431;

[0027] Mounting member 500, Second annular mating portion 510, Mounting groove 520, Operating portion 530, Transmission block 540. Detailed Embodiments

[0028] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where 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 by referring to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0030] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "mounted", "connected" and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0031] Refer to Figures 1 to 3, the milk frother according to the first aspect embodiment of the present utility model includes a body 100, a driving device 200, a transmission shaft assembly 300, a stirring member 400 and a mounting member 500. The body 100 has a stirring cavity 110 and a lower cavity 120. The stirring cavity 110 is located above the lower cavity 120, and the stirring cavity 110 has an upward opening. The driving device 200 is provided in the body 100 and is located in the lower cavity 120. The transmission shaft assembly 300 is in transmission connection with the driving device 200. The body 100 is provided with a first connection hole 130 communicating the stirring cavity 110 and the lower cavity 120. The transmission shaft assembly 300 is disposed through the first connection hole 130, and a first annular fitting portion 310 is provided on the circumference of the transmission shaft assembly 300. The first annular fitting portion 310 is located in the stirring cavity 110. The stirring member 400 is penetrated by the transmission shaft assembly 300 so that the stirring member 400 is in mating contact with the upper portion of the first annular fitting portion 310. The mounting member 500 is provided with a second annular fitting portion 510 on the circumference. The mounting member 500 can be detachably connected to the transmission shaft assembly 300, and the second annular fitting portion 510 can press the stirring member 400 against the first annular fitting portion 310. The second annular fitting portion 510 and the first annular fitting portion 310 can press the stirring member 400 against the transmission shaft assembly 300, thereby reducing the gap between the stirring member 400 and the transmission shaft assembly 300, reducing sanitary dead corners, facilitating cleaning, and the mounting member 500 can be disassembled so that the stirring member 400 can be disassembled and cleaned. After the stirring member 400 is disassembled, the transmission shaft assembly 300 can also be thoroughly cleaned.

[0032] Specifically, during actual use, milk is first poured into the stirring cavity 110. The driving device 200 in the lower cavity 120 can drive the transmission shaft assembly 300 to rotate. The transmission shaft assembly 300 then presses the stirring member 400 through cooperation with the mounting member 500, that is, the first annular fitting portion 310 and the second annular fitting portion 510 press-fit the stirring member 400, so that the gap between the stirring member 400, the transmission shaft assembly 300 and the mounting member 500 can be pressed to reduce the situation of milk entering the gap, reduce material accumulation and facilitate cleaning. The rotation of the stirring member 400 can foam the milk. After the treatment is completed, the mounting member 500 can be disassembled. At this time, the stirring member 400 can also be taken out. The stirring member 400 and the mounting member 500 can be taken out and carefully cleaned. The part of the transmission shaft assembly 300 in the stirring cavity 110 can be completely exposed, which also facilitates cleaning.

[0033] Refer to Figures 2 to 5, in some embodiments of the present utility model, the transmission shaft assembly 300 includes a first transmission shaft 320 and a mounting bushing 330. The first transmission shaft 320 is in transmission connection with the driving device 200, and the mounting bushing 330 is in transmission connection with the first transmission shaft 320. The first transmission shaft 320 passes through the mounting bushing 330. The driving device 200 can drive the first transmission shaft 320 to rotate, and the first transmission shaft 320 can drive the mounting bushing 330 to rotate. The first annular fitting portion 310 is provided on the mounting bushing 330.

[0034] Specifically, the driving device 200 can be a driving motor. The first transmission shaft 320 can be connected to the output shaft of the driving motor. The driving motor can drive the first transmission shaft 320 to rotate. The mounting bushing 330 can be sleeved on the first transmission shaft 320, and there is a transmission structure between the mounting bushing 330 and the first transmission shaft 320. The specific transmission structure is not limited herein. Through the transmission structure, the mounting bushing 330 can be driven to rotate. The first annular fitting portion 310 is provided on the mounting bushing 330. The mounting bushing 330 is used to cooperate with the mixing member 400. By providing the mounting bushing 330, the assembly can be facilitated, and the mounting bushing 330 can be made of a material different from that of the first transmission shaft 320. The mounting bushing 330 can be set as an elastic material to facilitate the cooperation with the mixing member 400.

[0035] Refer to Figures 2 to 5 , in some embodiments of the present utility model, the mounting bushing 330 has a mounting hole 331, and the bottom of the mounting bushing 330 has a first transmission groove 332. The first transmission groove 332 is arranged around the mounting hole 331. The first transmission shaft 320 is circumferentially provided with a transmission portion 321. The transmission portion 321 can cooperate with the first transmission groove 332 to drive the mounting bushing 330 to rotate.

[0036] Specifically, the mounting hole 331 is provided in the middle for the first transmission shaft 320 to pass through. Multiple first transmission grooves 332 can be provided. The transmission portion 321 can be protrudingly provided on the circumference of the first transmission shaft 320. The first transmission groove 332 is provided at the bottom of the mounting bushing 330, which can enable the transmission portion 321 to be inserted into the first transmission groove 332. The mounting bushing 330 is driven to rotate through the cooperation between the transmission portion 321 and the first transmission groove 332. The structure is simple and the assembly is convenient.

[0037] Refer to Figure 5 , in some embodiments of the present utility model, the upper part of the first transmission shaft 320 is provided with an annular limiting groove 322, and the mounting bushing 330 is provided with an annular limiting portion 333. The annular limiting portion 333 is arranged on the inner wall of the mounting hole 331. The annular limiting portion 333 can cooperate with the annular limiting groove 322 to limit the axial relative movement of the mounting bushing 330 with respect to the first transmission shaft 320.

[0038] Specifically, the axial positioning of the mounting bushing 330 and the first transmission shaft 320 is achieved through the cooperation of the annular limiting groove 322 and the annular limiting portion 333. It can be understood that the mounting bushing 330 can be made of an elastic material so that the annular limiting portion 333 can be snapped into or disengaged from the annular limiting groove 322. Alternatively, the mounting bushing 330 can be provided with corresponding hollow grooves that penetrate the mounting hole 331, so that the annular limiting portion 333 can be deformed easily to facilitate snapping into or disengaging from the annular limiting groove 322.

[0039] Referring to Figures 2 to 5 , in some embodiments of the present invention, an annular mounting boss 334 extending axially is provided on the side of the mounting bushing 330 away from the driving device 200. An installation groove 520 is provided at the bottom of the mounting member 500. Internal threads are provided on the inner side wall of the installation groove 520, and external threads are provided on the outer side wall of the annular mounting boss 334, so that the mounting member 500 can be threadedly connected to the annular mounting boss 334.

[0040] Specifically, the mounting member 500 can be in threaded cooperation with the annular mounting boss 334, so that the mounting member 500 can be installed by tightening, which is convenient for disassembly, and can enable the mounting member 500 to press the stirring member 400 according to the tightening force, and the sealing effect is good.

[0041] It can be understood that other connection methods can also be adopted between the mounting member 500 and the annular mounting boss 334. For example, an interference fit installation can be adopted between the installation groove 520 of the mounting member 500 and the annular mounting boss 334, and the mounting member 500 is directly pressed against the mounting bushing 330 for connection.

[0042] Referring to Figures 2 to 5 , in some embodiments of the present invention, an operation portion 530 extending upward is provided at the top of the mounting member 500, and the operation portion 530 can be operated and rotated by the user.

[0043] Specifically, the operation portion 530 can be a columnar body extending upward, and a spherical portion convenient for operation can be provided at the top. By extending the operation portion 530 upward, it is convenient for the user to reach the mounting member 500 and convenient for operation.

[0044] Referring to Figure 2 , in some embodiments of the present invention, a transmission hole 430 is provided in the middle of the stirring member 400. A second transmission groove 431 is provided on the side wall of the transmission hole 430. The mounting member 500 is provided with a transmission block 540, and the transmission block 540 can cooperate with the second transmission groove 431 to drive the stirring member 400 to rotate.

[0045] Specifically, the transmission hole 430 can allow the transmission shaft assembly 300 and the mounting member 500 to pass through or be inserted. The second transmission groove 431 is located in the circumferential direction of the transmission hole 430. The transmission block 540 correspondingly provided on the mounting member 500 can be inserted into the second transmission groove 431. When the mounting member 500 rotates, transmission can be carried out through the cooperation of the transmission block 540 and the second transmission groove 431, and the transmission effect is good.

[0046] Referring to Figures 2 to 5 , in some embodiments of the present utility model, the stirring member 400 includes a turntable 410 and a baffle 420. The baffle 420 is provided at the bottom of the turntable 410. The baffle 420 extends along the radial direction of the turntable 410. The turntable 410 is provided with a first through hole 411, and the first through hole 411 is located on the side facing the rotation direction of the baffle 420.

[0047] Specifically, the turntable 410 can rotate, and the baffle 420 can be vertically arranged. The first through hole 411 can be arranged in a long strip shape and match the baffle 420. When the turntable 410 rotates, the baffle 420 below the turntable 410 can stir the materials below and guide the materials to the first through hole 411. The materials flow upward through the first through hole 411, thereby forming bubbles. Compared with the existing spring-type stirring member 400, the stirring member 400 in this embodiment is easier to clean.

[0048] It can be understood that the baffle 420 can be directly stamped and bent on the turntable 410. The notch formed on the turntable 410 after the baffle 420 is bent is the first through hole 411, which is convenient for manufacturing and has a low cost.

[0049] Referring to Figures 2 to 5 , in some embodiments of the present utility model, the stirring member 400 includes a turntable 410. The turntable 410 is in an arch shape. The turntable 410 is provided with a plurality of second through holes 412, and the second through holes 412 are arranged at intervals around the circumferential direction of the transmission shaft assembly 300.

[0050] Specifically, the turntable 410 can be arranged in an arch shape with the middle arched upward, and a plurality of second through holes 412 can be arranged on the turntable 410. When the turntable 410 rotates, the inclined second through holes 412 can stir the materials to form bubbles.

[0051] It can be understood that the baffle 420, the first through hole 411 and the second through hole 412 can be simultaneously arranged on the turntable 410 to further improve the foaming effect.

[0052] Referring to Figures 2 to 5, in some embodiments of the present utility model, the body 100 includes a housing member 140, a partition assembly 150, and a cylinder 160. The housing member 140 has a receiving cavity with an upward opening. The partition assembly 150 is disposed in the receiving cavity to divide the receiving cavity into an upper cavity and a lower cavity 120. The bottom of the cylinder 160 is detachably connected to the partition assembly 150 to divide the upper cavity into a stirring cavity 110.

[0053] Specifically, the cylinder 160 can be installed on the partition assembly 150 to form the stirring cavity 110. Milk can be poured in for stirring, and the stirred milk foam can be poured out. Below the partition assembly 150, a driving device 200 and other heating components can be installed, and the layout is relatively reasonable. When cleaning is required, the cylinder 160 can also be detached for cleaning.

[0054] It can be understood that the cylinder 160 can be provided with a threaded portion, and the partition assembly 150 is provided with a corresponding threaded portion, so that the cylinder 160 can be threadedly connected to the partition assembly 150 for easy disassembly and assembly. Alternatively, the cylinder 160 and the partition assembly 150 can be clamped through a clamping structure.

[0055] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0056] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A milk frother, characterized in that: include: A machine body (100) having a stirring chamber (110) and a lower chamber (120), wherein the stirring chamber (110) is located above the lower chamber (120), and the stirring chamber (110) has an upward opening; A driving device (200) is provided on the machine body (100) and is located in the lower chamber (120); A transmission shaft assembly (300) is transmission-connected to the driving device (200); the machine body (100) is provided with a first connection hole (130) communicating with the stirring chamber (110) and the lower chamber (120); the transmission shaft assembly (300) is arranged through the first connection hole (130); and the transmission shaft assembly (300) is circumferentially provided with a first annular matching portion (310); the first annular matching portion (310) is located in the stirring chamber (110); a stirring member (400), wherein the transmission shaft assembly (300) passes through the stirring member (400), so that the stirring member (400) is in mating contact with the upper portion of the first annular mating portion (310); The mounting member (500) is provided with a second annular fitting portion (510) in the circumferential direction. The mounting member (500) can be detachably connected to the transmission shaft assembly (300), and the second annular fitting portion (510) can press the stirring member (400) against the first annular fitting portion (310).

2. The milk frother according to claim 1, characterized in that: The transmission shaft assembly (300) comprises a first transmission shaft (320) and a mounting sleeve (330); the first transmission shaft (320) is transmission-connected to the driving device (200); the mounting sleeve (330) is transmission-connected to the first transmission shaft (320); and the first transmission shaft (320) is inserted into the mounting sleeve (330); the driving device (200) can drive the first transmission shaft (320) to rotate; the first transmission shaft (320) can drive the mounting sleeve (330) to rotate; and the first annular mating portion (310) is disposed on the mounting sleeve (330).

3. The milk frother according to claim 2, characterized in that: The mounting sleeve (330) has a mounting hole (331), and the bottom of the mounting sleeve (330) has a first transmission groove (332), the first transmission groove (332) is arranged around the mounting hole (331), and the first transmission shaft (320) is circumferentially provided with a transmission part (321), and the transmission part (321) can cooperate with the first transmission groove (332) to drive the mounting sleeve (330) to rotate.

4. The milk frother according to claim 3, characterized in that: An annular limiting groove (322) is provided on the upper portion of the first transmission shaft (320), and an annular limiting portion (333) is provided on the mounting sleeve (330), and the annular limiting portion (333) is arranged on the inner wall of the mounting hole (331), and the annular limiting portion (333) can cooperate with the annular limiting groove (322) to limit the axial movement of the mounting sleeve (330) relative to the first transmission shaft (320).

5. The milk frother according to claim 2, characterized in that: The mounting sleeve (330) is provided with an annular mounting boss (334) extending along its axial direction on the side away from the driving device (200), the mounting member (500) is provided with a mounting groove (520) at the bottom, the inner wall of the mounting groove (520) is provided with an internal thread, and the outer wall of the annular mounting boss (334) is provided with an external thread, so that the mounting member (500) can be threadedly connected to the annular mounting boss (334).

6. The milk frother according to claim 1, characterized in that: An operating portion (530) extending upward is provided on the top of the mounting member (500), and the operating portion (530) can be rotated and operated by a user.

7. The milk frother according to claim 1, characterized in that: The stirring member (400) is provided with a transmission hole (430) in the middle, and a second transmission groove (431) is provided on a side wall of the transmission hole (430). The mounting member (500) is provided with a transmission block (540), and the transmission block (540) can cooperate with the second transmission groove (431) to drive the stirring member (400) to rotate.

8. The milk frother according to claim 1, characterized in that: The stirring member (400) comprises a rotating disk (410) and a baffle (420), wherein the baffle (420) is arranged at the bottom of the rotating disk (410), and the baffle (420) is extended along the radial direction of the rotating disk (410), and the rotating disk (410) is provided with a first through hole (411), and the first through hole (411) is located on a side facing the rotation direction of the baffle (420).

9. The milk frother according to claim 1, characterized in that: The stirring member (400) comprises a rotating disk (410) which is in an arch shape. The rotating disk (410) is provided with a plurality of second through holes (412) which are arranged at intervals around the circumference of the transmission shaft assembly (300).

10. The milk frother according to claim 1, characterized in that: The body (100) comprises an outer shell (140), a partition assembly (150) and a cylinder (160); the outer shell (140) has a accommodating chamber which is open upward; the partition assembly (150) is arranged in the accommodating chamber to separate the accommodating chamber into an upper accommodating chamber and a lower accommodating chamber (120); the bottom of the cylinder (160) is detachably connected to the partition assembly (150) to separate the upper accommodating chamber from the stirring chamber (110).

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