Milk foam machine
By incorporating a drive wheel and a detachable connection hole into the mixing head design of the milk frother, combined with a motor bracket and sealing ring, the problems of cumbersome disassembly and difficult cleaning of traditional milk frothers are solved, improving cleaning convenience and equipment hygiene, and ensuring milk frothing quality and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-03-03
AI Technical Summary
Traditional milk frothers have a fixed connection between the mixing head and the motor shaft, which is cumbersome to disassemble and difficult to clean, resulting in impurities remaining and affecting the quality of the milk and safety of use.
Design a milk frother with a drive wheel mounted on the motor shaft. The stirring head is fitted onto the drive wheel through a detachable connection hole and equipped with a motor bracket, sealing ring, and other structures to ensure easy detachment of the stirring head from the motor shaft, prevent liquid leakage, and improve cleaning convenience and equipment hygiene.
It enables easy disassembly and cleaning of the mixing head, reduces bacterial growth, ensures milk foam quality and equipment safety, and extends service life.
Smart Images
Figure CN223958718U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of milk frother technology, and more specifically, relates to a milk frother. Background Technology
[0002] A milk frother is a small household appliance that can quickly froth milk to create fine, dense milk foam. It works by using a motor to drive a stirring head to rotate, causing the liquid to swirl within the foam and heating it to form rich, delicate milk foam, often used to enhance the taste of various beverages. However, traditional milk frothers typically have a fixed stirring head and motor shaft, making disassembly cumbersome. This requires disassembling the entire stirring component, making cleaning extremely inconvenient, time-consuming, and laborious. Furthermore, it is difficult to thoroughly remove milk residue deep within the crevices, which can easily breed bacteria over time, affecting the quality of subsequent milk foam and safety. Utility Model Content
[0003] To address the aforementioned technical problems, this utility model provides a milk frother, which solves the technical problem in the prior art where the mixing head of a traditional milk frother is fixedly connected to the motor shaft, making disassembly cumbersome and cleaning difficult, resulting in the residue of impurities and easy growth of bacteria.
[0004] The purpose and function of this milk frother are achieved by the following specific technical means:
[0005] A milk frother includes a main body shell, an inner liner inside the main body shell, a motor located below the inner liner and installed inside the main body shell; a motor shaft is provided on the motor, a central hole is opened on the inner liner, and the motor shaft passes through the central hole; a drive wheel is provided at one end of the motor shaft, and the motor shaft is detachably connected to a stirring head through the drive wheel.
[0006] According to a preferred embodiment, the stirring head is provided with a connecting hole, and the stirring head is sleeved on the drive wheel through the connecting hole. The edge of the opening end of the connecting hole is chamfered to form a trumpet-shaped structure.
[0007] According to a preferred embodiment, the diameter of the drive wheel is larger than the diameter of the connecting hole, and the bottom of the stirring head is in contact with the inner liner.
[0008] According to a preferred embodiment, a motor bracket is provided inside the main body shell, and multiple sets of connecting studs are provided at the bottom of the inner liner. The motor bracket has connecting screw holes corresponding to the connecting studs. Bolts pass through the connecting screw holes and are engaged in the connecting studs. The motor is mounted on the motor bracket, and the motor shaft passes through the motor bracket and is engaged in the central hole.
[0009] According to a preferred embodiment, a support frame is provided inside the main body shell. The support frame is located below the motor and is installed on the main body shell. One side of the support frame contacts the motor and abuts against the motor upward.
[0010] According to a preferred embodiment, a sealing ring is provided between the motor and the inner liner, a limiting ring is provided on the motor bracket, the sealing ring is locked in the limiting ring and sleeved on the motor shaft; the two sides of the sealing ring contact the inner liner and the motor bracket respectively, and a protrusion is provided on the top of the sealing ring, the protrusion passing through the central hole.
[0011] According to a preferred embodiment, a main cover is provided above the main body shell, the main cover is fitted onto the main body shell, and a stirring chamber is formed by the main cover and the inner liner, with the stirring head located inside the stirring chamber.
[0012] According to a preferred embodiment, a main chassis is provided below the main body shell, the main chassis is detachably connected to the main body shell, and an installation cavity is formed by the main body shell, the main chassis and the inner liner, and the motor is located in the installation cavity.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] 1. A drive wheel is installed at the top of the motor shaft, and a connecting hole is opened on the stirring head. The stirring head is sleeved on the drive wheel through the connecting hole. The diameter of the connecting hole is smaller than the diameter of the drive wheel and has a certain degree of elasticity, so that the drive wheel can pass through the connecting hole. The stirring head can tightly clamp the drive wheel, thus effectively ensuring the stability of the stirring head during high-speed rotation. It also ensures the convenience of disassembling the stirring head from the motor shaft, so that the stirring head can be replaced and cleaned without disassembling the entire milk frother.
[0015] 2. The main casing houses components such as a motor bracket, support frame, and sealing rings. The motor bracket is securely connected to the inner tank via connecting studs, providing reliable support for the motor and ensuring its stability during operation, reducing noise and vibration, and thus extending the lifespan of the milk frother. The support frame further strengthens the support for the motor, preventing it from sinking or shifting due to its own weight or operational vibrations, ensuring that the motor shaft and stirring head are always in a coordinated state. Simultaneously, the sealing ring effectively prevents potential liquid leakage between the motor and the inner tank, avoiding impurities and moisture entering the motor and causing damage. It also eliminates the risk of bacterial contamination of the milk foam due to leakage, comprehensively ensuring the quality of milk foam production and the hygiene and safety of the equipment. Attached Figure Description
[0016] Figure 1This is a schematic diagram of the assembled structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the disassembled structure of this utility model;
[0018] Figure 3 yes Figure 1 A magnified view of a portion of region a.
[0019] In the diagram, the correspondence between component names and their corresponding reference numerals is as follows:
[0020] 11. Main body shell; 12. Main body cover; 21. Main body chassis; 22. Motor bracket; 23. Support frame; 24. Sealing ring; 25. Limiting ring; 26. Protrusion; 31. Inner liner; 32. Connecting stud; 41. Motor; 42. Motor shaft; 43. Drive wheel; 44. Stirring head; 45. Connecting hole. Detailed Implementation
[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solution of this utility model, but should not be used to limit the scope of protection of this utility model.
[0022] Example:
[0023] like Figures 1 to 3 As shown, this utility model provides a milk frother, including a main shell 11, an inner liner 31 inside the main shell 11, and a motor 41 below the inner liner 31. The motor 41 is installed inside the main shell 11 and serves as the power core for the operation of the milk frother. A motor shaft 42 is mounted on the motor 41. The inner liner 31 has a corresponding central hole through which the motor shaft 42 can pass. The power generated by the motor 41 can be transmitted to the area of the inner liner 31 through the motor shaft 42, providing power support for the subsequent milk frothing. A drive wheel 43 is provided at one end of the motor shaft 42. The motor shaft 42 is detachably connected to the stirring head 44 through the drive wheel 43, which has certain advantages in subsequent maintenance and cleaning, and is convenient for user operation.
[0024] The stirring head 44 has a connecting hole 45, through which it is fitted onto the drive wheel 43. The opening edge of the connecting hole 45 is chamfered, presenting a trumpet-shaped structure, which makes the assembly of the stirring head 44 and the drive wheel 43 more convenient, reducing assembly difficulty and improving assembly efficiency to a certain extent. The diameter of the drive wheel 43 is larger than the diameter of the connecting hole 45, and the bottom of the stirring head 44 is in contact with the inner liner 31. This ensures the stability of the stirring head 44 during operation and makes the entire stirring process smoother, reducing unnecessary shaking and vibration.
[0025] The main body shell 11 is equipped with a motor bracket 22. The bottom of the inner liner 31 is provided with multiple sets of connecting studs 32. The motor bracket 22 has connecting screw holes corresponding to the connecting studs 32. The bolts are inserted through the connecting screw holes and locked into the connecting studs 32. In this way, the motor bracket 22 is installed at the bottom of the inner liner 31, and the motor 41 is then placed on the motor bracket 22. The motor shaft 42 also passes smoothly through the motor bracket 22 and enters the central hole. The motor bracket 22 provides reliable support for the motor 41, ensuring the smooth operation of the motor 41 during operation.
[0026] A support frame 23 is provided inside the main body shell 11. The support frame 23 is located below the motor 41. One side of the support frame 23 is in contact with the bottom of the motor 41, so that the support frame 23 can press against the motor 41 upwards, which plays a role in further stabilizing the motor 41 and preventing the motor 41 from sinking or shifting due to its own weight or vibration generated during operation, and ensuring that the motor shaft 42 and the stirring head 44 are always in a normal fit.
[0027] A sealing ring 24 is provided between the motor 41 and the inner tank 31. A limit ring 25 is provided on the motor bracket 22. The sealing ring 24 is locked inside the limit ring 25 and sleeved on the motor shaft 42. The two sides of the sealing ring 24 contact the inner tank 31 and the motor bracket 22 respectively. A protrusion 26 is also provided on its top, which passes through the central hole. The sealing ring 24 effectively prevents liquid leakage between the motor 41 and the inner tank 31, avoids impurities and moisture from entering the motor 41 and causing damage, eliminates the risk of bacterial growth and contamination of milk foam due to leakage, and ensures the quality of milk foam production and the hygiene and safety of the equipment.
[0028] A main body cover 12 is provided on the top of the main body shell 11. The main body cover 12 covers the main body shell 11. The main body cover 12 and the inner liner 31 together form a stirring chamber. The stirring head 44 is located in this stirring chamber. In this stirring chamber, the stirring head 44 rotates at high speed under the drive of the motor 41 to stir the milk into fine milk foam.
[0029] A main body chassis 21 is provided below the main body shell 11. The main body chassis 21 is installed at the bottom of the main body shell 11. The two fit together, providing a stable basic support structure for the entire milk frother. The main body shell 11, the main body chassis 21 and the inner liner 31 work together to form an installation cavity below the inner liner 31. The installation cavity provides installation positions for many internal components of the milk frother. The motor 41 is located in the installation cavity, which effectively ensures the safety of the motor 41 or other components.
[0030] The specific usage and function of this embodiment are as follows:
[0031] To use, open the main body cover 12 on top of the main body shell 11 and pour milk into the inner container 31. After pouring the milk, close the main body cover 12 to ensure it is completely sealed. At this point, the stirring chamber formed by the inner container 31 and the main body cover 12 is ready. Then, connect the milk frother to the power supply, and the motor 41 will start. The motor 41, as the power source, drives the motor shaft 42 to rotate. Since the drive wheel 43 at one end of the motor shaft 42 is detachably connected to the stirring head 44 through the connection hole 45, and the flared structure at the opening of the connection hole 45 facilitates assembly, the stirring head 44 will rotate synchronously at high speed with the drive wheel 43 when the motor 41 is running.
[0032] During the mixing process, thanks to the contact between the bottom of the mixing head 44 and the inner pot 31, as well as the stable support of the motor bracket 22 and the support frame 23 for the motor 41, the entire milk frother operates smoothly without excessive shaking or vibration. Driven by the motor 41, the mixing head 44 rapidly agitates the milk, forming a vortex in the inner pot 31, gradually drawing in air and generating fine milk foam.
[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments.
Claims
1. A milk frother comprising a main housing (11), characterised in that: The inner container (31) is arranged in the main body shell (11), and a motor (41) is arranged below the inner container (31) and is installed in the main body shell (11); a motor shaft (42) is arranged on the motor (41), a central hole is formed in the inner container (31), and the motor shaft (42) is arranged in the central hole; a driving wheel (43) is arranged at one end of the motor shaft (42), and the motor shaft (42) is detachably connected with a stirring head (44) through the driving wheel (43).
2. A milk frothing machine according to claim 1, characterized in that: A connecting hole (45) is formed in the stirring head (44), the stirring head (44) is sleeved on the driving wheel (43) through the connecting hole (45), and the connecting hole (45) is provided with a chamfered edge at an opening end, and a horn-shaped structure is formed.
3. A milk frothing machine according to claim 2, characterised in that: The diameter of the driving wheel (43) is greater than the diameter of the connecting hole (45), and the bottom of the stirring head (44) is in contact with the inner container (31).
4. A milk frothing machine according to claim 1, characterized in that: A motor support (22) is arranged in the main body shell (11), a plurality of connecting studs (32) are arranged at the bottom of the inner container (31), a connecting hole is formed in the motor support (22) corresponding to the connecting studs (32), a bolt is clamped in the connecting stud (32) through the connecting hole, the motor (41) is installed on the motor support (22), and the motor shaft (42) is arranged in the central hole through the motor support (22).
5. A milk frothing machine according to claim 4, characterised in that: A support frame (23) is arranged in the main body shell (11), the support frame (23) is located below the motor (41) and is installed on the main body shell (11), one side of the support frame (23) is in contact with the motor (41) and abuts against the motor (41) upward.
6. A milk frothing machine according to claim 4, characterised in that: A sealing ring (24) is arranged between the motor (41) and the inner container (31), a limiting ring (25) is arranged on the motor support (22), the sealing ring (24) is clamped in the limiting ring (25) and is sleeved on the motor shaft (42); the sealing ring (24) is in contact with the inner container (31) and the motor support (22) on both sides, and a protrusion (26) is arranged at the top of the sealing ring (24) and is arranged in the central hole.
7. A milk frothing machine according to claim 6, characterised in that: A main body cover (12) is arranged above the main body shell (11), the main body cover (12) covers the main body shell (11), a stirring cavity is formed between the main body cover (12) and the inner container (31), and the stirring head (44) is located in the stirring cavity.
8. A milk frothing machine according to claim 7, characterised in that: A main body bottom plate (21) is arranged below the main body shell (11), the main body bottom plate (21) is detachably connected with the main body shell (11), an installation cavity is formed between the main body shell (11), the main body bottom plate (21) and the inner container (31), and the motor (41) is located in the installation cavity.