Detachable stirring knife mechanism and cooking equipment

By using magnetic suction components to absorb and fix the stirring knife assembly in the stirring knife mechanism of the cooking equipment, the problem of the risk of the stirring knife falling off and flying out in the equipment is solved, and the safety performance of the equipment is improved.

CN222917415UActive Publication Date: 2025-05-30BEAR ELECTRICAL APPLIANCE CO LTD +1
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Patent Information

Application Number
CN202421780993.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-05-30
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

The mixing knife mechanism of the existing cooking equipment is inconvenient during disassembly and cleaning, and there is a risk that the mixing knife will fall off and fly out, endangering the safety of users.

Method used

A detachable stirring knife mechanism is designed, by providing a magnetic suction assembly between the assembly part and the rotating section to absorb and fix the stirring knife assembly, ensuring that it is reliably fixed to the drive shaft and reducing the risk of flying out and falling off.

Benefits of technology

It effectively reduces the risk of the stirring knife assembly flying out and falling off, improves the safety performance of the equipment, and makes the equipment safer and more reliable when used and cleaned.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a detachable stirring knife mechanism and cooking equipment. The detachable stirring knife mechanism comprises a stirring knife assembly, the chassis is provided with an assembling part; the driving rotating shaft comprises a driving section and a rotating section connected to one end of the driving section, the rotating section penetrates through the assembling part, and the driving section is detachably connected with the stirring cutter assembly; the magnetic attraction assembly is arranged between the assembling part and the rotating section, and the stirring knife assembly and the magnetic attraction assembly are fixed in an attraction mode. According to the stirring device, the magnetic attraction assembly is arranged between the assembling part and the rotating section, and the magnetic attraction assembly is driven to attract and fix the stirring knife assembly, so that the stirring knife assembly is reliably fixed to the driving rotating shaft, the risk that the stirring knife assembly flies out and falls off is reduced, and the safety performance of the stirring device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of stirring equipment, in particular to a detachable stirring knife mechanism and a cooking appliance. Background Art

[0002] With the increasing improvement of people's living standards, many different types of cooking appliances have emerged in the market. Currently, cooking appliances mainly include machines for crushing and stirring food, such as soymilk makers, blenders or wall breakers. And with people's usage requirements, the main functions of cooking appliances include, but are not limited to, making soymilk, squeezing juice, making rice paste, mincing meat, making shaved ice, making coffee and / or preparing facial masks, etc. Therefore, the cleaning of cooking appliances becomes particularly important. Some existing cooking appliances detachably assemble the stirring knife mechanism at the bottom. After the cooking appliance is used, the stirring knife mechanism can be detached for cleaning. However, its disassembly is not convenient, and water is likely to come into contact with the internal electronic components during cleaning, resulting in poor contact of the electronic components. Therefore, a manufacturer has launched a cooking appliance that can detach the stirring knife from the rotating shaft. However, the rotating shaft of this cooking appliance only limits the stirring knife through the circumferentially deflected edges, resulting in a risk that the stirring knife may fly off due to inertia, seriously endangering the personal safety of users. Summary of the Utility Model

[0003] In order to overcome at least one of the above-mentioned defects of the prior art, the utility model provides a detachable stirring knife mechanism, which can reduce the risk of the stirring knife assembly flying off and falling off, and improve the safety performance of the equipment.

[0004] A detachable stirring knife mechanism according to an embodiment of the utility model is characterized by comprising: a stirring knife assembly; a chassis, the chassis is provided with an assembly part; a driving rotating shaft, the driving rotating shaft includes a driving section and a rotating section connected to one end of the driving section, the rotating section passes through the assembly part, the driving section is detachably connected to the stirring knife assembly; a magnetic attraction assembly, the magnetic attraction assembly is arranged between the assembly part and the rotating section, and the stirring knife assembly is fixedly adsorbed to the magnetic attraction assembly.

[0005] In the detachable stirring knife mechanism, by arranging the magnetic attraction assembly between the assembly part and the rotating section, the magnetic attraction assembly is driven to adsorb and fix the stirring knife assembly, so that the stirring knife assembly is reliably fixed on the driving rotating shaft, reducing the risk of the stirring knife assembly flying off and falling off, and improving the safety performance of the equipment.

[0006] According to some embodiments of the utility model, the stirring knife assembly includes a stirring knife and a knife seat, the stirring knife is assembled on the knife seat, the knife seat is detachably connected to the driving section, and the magnetic attraction assembly is fixedly adsorbed to the knife seat.

[0007] According to some embodiments of the present utility model, the magnetic attraction assembly includes a magnetic attraction ring and an oil seal. The magnetic attraction ring is assembled in the assembly part, and the oil seal is arranged between the magnetic attraction ring and the rotating section.

[0008] According to some embodiments of the present utility model, a collar is abutted against one end of the magnetic attraction assembly away from the stirring knife assembly, and the collar is in interference fit with the assembly part.

[0009] According to some embodiments of the present utility model, an elastic gasket is further included, and the elastic gasket is arranged between the magnetic attraction assembly and the collar.

[0010] According to some embodiments of the present utility model, a rigid gasket is further included, and the rigid gasket is arranged between the elastic gasket and the collar.

[0011] According to some embodiments of the present utility model, a rotating bearing is further included, and the rotating bearing is arranged between the rotating section and the collar.

[0012] According to some embodiments of the present utility model, a fastener is abutted against one end of the rotating bearing away from the stirring knife assembly, and the fastener is connected to the collar.

[0013] According to some embodiments of the present utility model, a connector is further included, and the connector is assembled on the rotating section.

[0014] Based on the same inventive concept, the present utility model further provides a cooking device, including the detachable stirring knife mechanism as described above.

[0015] In summary, the detachable stirring knife mechanism provided by the present utility model has the following technical effects:

[0016] By arranging the magnetic attraction assembly between the assembly part and the rotating section, the magnetic attraction assembly is driven to adsorb and fix the stirring knife assembly, so that the stirring knife assembly is reliably fixed on the driving rotating shaft, reducing the risk of the stirring knife assembly flying out and falling off, and improving the safety performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the detachable stirring knife mechanism according to an embodiment of the present utility model;

[0018] Figure 2 It is a three-dimensional exploded view of the stirring knife assembly and the chassis according to an embodiment of the present utility model;

[0019] Figure 3 It is a sectional view of the detachable stirring knife mechanism according to an embodiment of the present utility model;

[0020] Figure 4Stereo exploded view of the magnetic attraction component and the collar according to an embodiment of the present utility model;

[0021] Figure 5 Cross-sectional view of the magnetic attraction component and the collar according to an embodiment of the present utility model.

[0022] Among them, the meanings of the reference numerals are as follows:

[0023] 1. Stirring knife assembly; 11. Stirring knife; 12. Knife seat; 2. Chassis; 21. Assembly part; 3. Driving rotating shaft; 31. Driving section; 32. Rotating section; 4. Magnetic attraction component; 41. Magnetic attraction ring; 42. Oil seal; 5. Collar; 51. Elastic gasket; 52. Rigid gasket; 6. Rotating bearing; 61. Fastening piece; 7. Connector. Detailed implementation manners

[0024] For better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0025] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 therefore should not be construed as a limitation to the present utility model.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model.

[0027] Refer to Figure 1 、 Figure 2 and Figure 3, the present utility model discloses a detachable stirring knife mechanism. The detachable stirring knife mechanism includes a stirring knife assembly 1, a chassis 2, a driving rotating shaft 3, and a magnetic attraction assembly 4. In some embodiments, the chassis 2 is provided with an assembly part 21; the driving rotating shaft 3 includes a driving section 31 and a rotating section 32 connected to one end of the driving section 31. The rotating section 32 passes through the assembly part 21, and the driving section 31 is detachably connected to the stirring knife assembly 1; the magnetic attraction assembly 4 is arranged between the assembly part 21 and the rotating section 32, and the stirring knife assembly 1 is fixedly adsorbed to the magnetic attraction assembly 4. Preferably, by arranging the magnetic attraction assembly 4 between the assembly part 21 and the rotating section 32, the magnetic attraction assembly 4 is driven to adsorb and fix the stirring knife assembly 1, so that the stirring knife assembly 1 is reliably fixed on the driving rotating shaft 3, reducing the risk of the stirring knife assembly 1 flying out and falling off, and improving the safety performance of the equipment.

[0028] Optionally, the assembly part 21 is formed by the chassis 2 protruding towards the stirring knife assembly 1, so as to keep a certain distance between the stirring knife assembly 1 and the chassis 2, avoiding interference between the stirring knife assembly 1 and the chassis 2; in this embodiment, the opening of the assembly part 21 is arranged on the side away from the stirring knife assembly 1, the magnetic attraction assembly 4 passes through the opening and is assembled into the interior of the assembly part 21. At the same time, a through hole is opened on the side of the assembly part 21 close to the stirring knife assembly 1, and the rotating section 32 extends into the through hole of the assembly part 21 and extends in the direction away from the stirring knife assembly 1. Further, corresponding spacers may be provided between the assembly part 21 and the stirring knife assembly 1 to keep a distance between the assembly part 21 and the stirring knife assembly 1, avoiding interference between the stirring knife assembly 1 and the assembly part 21.

[0029] Refer to Figure 1 , Figure 2 and Figure 3, in some embodiments, the stirring blade assembly 1 includes a stirring blade 11 and a blade seat 12. The stirring blade 11 is assembled on the blade seat 12, and the blade seat 12 is detachably connected to the driving section 31. The magnetic attraction assembly 4 is fixedly adsorbed to the blade seat 12. Optionally, the stirring blade 11 includes at least one blade, and the blade is fixedly connected to the blade seat 12. The blade seat 12 is sleeved on the driving section 31, so that the driving rotating shaft 3 drives the blade to rotate through the blade seat 12. Optionally, the blade seat 12 is made of a magnetic material. By using the magnetic attraction force between the magnetic attraction assembly 4 and the blade seat 12, the stirring blade assembly 1 and the magnetic attraction assembly 4 are mutually adsorbed and fixed, effectively preventing the stirring blade assembly 1 from flying out and falling off. Optionally, the driving section 31 is a multi-sided prism, and includes a plurality of edges extending in the up and down directions. The plurality of edges are deflected along the circumferential direction of the driving section 31, and the deflection direction of the plurality of edges from top to bottom is opposite to the rotation direction of the stirring blade assembly 1. The blade seat 12 is provided with a driving hole matching the driving section 31, and the driving hole includes a plurality of edges vertically extending in the up and down directions. Further, the edges of the driving section 31 can be straight edges, can be pendant-shaped edges, or can be twisted shapes. In this embodiment, through the mutual locking of the edges of the driving section 31 and the edges of the blade seat 12, and at the same time using the magnetic attraction of the magnetic attraction assembly 4 to the blade seat 12 for double-layer fixation, the stirring blade assembly 1 is reliably fixed to the driving rotating shaft 3, reducing the risk of the stirring blade assembly 1 flying out and falling off.

[0030] Refer to Figure 3 , Figure 4 and Figure 5 , in some embodiments, the magnetic attraction assembly 4 includes a magnetic attraction ring 41 and an oil seal 42. The magnetic attraction ring 41 is assembled in the assembly part 21, and the oil seal 42 is arranged between the magnetic attraction ring 41 and the rotating section 32. Preferably, the oil seal 42 is sleeved on the outside of the rotating section 32, and the magnetic attraction ring 41 is sleeved on the outside of the oil seal 42 sleeve, so that the magnetic attraction ring 41 and the oil seal 42 are in the same plane, and the magnetic attraction ring 41 wraps the oil seal 42, realizing the same-body structure of the magnetic attraction ring 41 and the oil seal 42, simplifying the fixing method of the magnetic attraction ring 41, and further making full use of the assembly space to make the structure more compact and stable, and the waterproof ability inside the detachable stirring knife mechanism can be improved through the oil seal 42. Optionally, the magnetic attraction ring 41 can be made of a permanent magnet material. Optionally, the magnetic attraction ring 41 can be made of a strong magnet material such as neodymium magnet. Optionally, the magnetic attraction ring 41 can be made of an electromagnet.

[0031] Refer to Figure 3 , Figure 4 and Figure 5, in some embodiments, a collar 5 is abutted against one end of the magnetic attraction assembly 4 away from the stirring blade assembly 1, and the collar 5 is in interference fit with the assembly part 21. Preferably, the collar 5 is in interference fit with the assembly part 21 so that the collar 5 is fixedly fitted in the assembly part 21, thereby tightly fixing the magnetic attraction assembly 4 and realizing the positioning of the magnetic attraction assembly 4 in the assembly part 21 to prevent the magnetic attraction assembly 4 from moving axially.

[0032] Refer to Figure 3 , Figure 4 and Figure 5 , in some embodiments, the collar 5 is made of a metal material and has a relatively high hardness. During use, the magnetic attraction ring 41 in the magnetic attraction assembly 4 is likely to collide with the collar 5, resulting in the breakage of the magnetic attraction ring 41. In this embodiment, an elastic gasket 51 is further included, and the elastic gasket 51 is disposed between the magnetic attraction assembly 4 and the collar 5. Preferably, the elastic gasket 51 is made of an elastic material such as rubber or silica gel so that the elastic gasket 51 has a certain elasticity. Specifically, the collar 5 abuts against the magnetic attraction assembly 4 through the elastic gasket 51 to realize the positioning of the magnetic attraction assembly 4 in the assembly part 21 to prevent the magnetic attraction assembly 4 from moving axially, and at the same time, the elastic gasket 51 is used to buffer and damp the magnetic attraction assembly 4 to prevent the magnetic attraction assembly 4 from colliding with other components, effectively avoiding the breakage of the magnetic attraction ring 41 due to force.

[0033] Refer to Figure 3 , Figure 4 and Figure 5 , in some embodiments, a rigid gasket 52 is further included, and the rigid gasket 52 is disposed between the elastic gasket 51 and the collar 5. Optionally, the rigid gasket 52 is made of a material such as metal; in this embodiment, by disposing the rigid gasket 52 between the elastic gasket 51 and the collar 5, the rigid gasket 52 is driven to strengthen the support for the elastic gasket, and at the same time, the collar 5 in the assembly part 21 presses the rigid gasket 52 through interference fit to prevent the rigid gasket 52 from moving axially, thereby driving the rigid gasket 52 to press the magnetic attraction assembly 4 through the elastic gasket 51 to prevent the magnetic attraction assembly 4 from moving axially, and at the same time, the elastic gasket 51 is used to buffer and damp the magnetic attraction assembly 4 to prevent the magnetic attraction assembly 4 from colliding with other components, effectively avoiding the breakage of the magnetic attraction ring 41 due to force.

[0034] Refer to Figure 3 , Figure 4 and Figure 5, in some embodiments, it further includes a rotating bearing 6, and the rotating bearing 6 is disposed between the rotating section 32 and the collar 5. Preferably, the rotating bearing 6 is sleeved outside the rotating section 32, the collar 5 is sleeved outside the rotating bearing 6, and the collar 5 is in interference fit with the assembling portion 21, so as to improve the concentricity and stability of the driving rotating shaft 3, enable the driving rotating shaft 3 to drive the stirring blade assembly 1 to rotate more stably, effectively prevent the stirring blade assembly 1 from colliding with surrounding components during rotation, and improve the safety of the equipment.

[0035] Refer to Figure 3 、 Figure 4 and Figure 5 , in some embodiments, a fastener 61 abuts against one end of the rotating bearing 6 away from the stirring blade assembly 1, and the fastener 61 is connected to the collar 5. Preferably, it is fixed to the collar 5 through the fastener 61, and one end of the rotating bearing 6 away from the stirring blade assembly 1 abuts against the fastener 61, so as to fix the position of the rotating bearing 6, enable the rotating bearing 6 to reliably define the concentricity and stability of the driving rotating shaft 3. Optionally, the fastener 61 is an internal circlip, and the internal circlip is clamped inside the collar 5 and abuts against one end of the rotating bearing 6 away from the stirring blade assembly 1, so as to fix the position of the rotating bearing 6.

[0036] Refer to Figure 3 、 Figure 4 and Figure 5 , in some embodiments, it further includes a connector 7, and the connector 7 is assembled on the rotating section 32. The connector 7 is used for cooperating with and connecting to a motor, so that the motor can drive the driving rotating shaft 3 to rotate, thereby driving the stirring blade assembly 1 to rotate. Preferably, the rotating section 32 is detachably connected to the motor through the connector 7, so that the detachable stirring blade mechanism can be detachably connected to the main body part with a motor, and the detachable stirring blade mechanism can be detached from the main body part, which is convenient for cleaning and maintaining the equipment.

[0037] In some embodiments, a cooking device includes the detachable stirring blade mechanism as described above. The cooking device includes, but is not limited to, machines for crushing and stirring food such as a soymilk machine, a blender, or a wall breaker.

[0038] Refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5, in some embodiments, the driving rotating shaft 3 includes the driving section 31 and the rotating section 32 connected to one end of the driving section 31. The stirring blade 11 is assembled on the tool holder 12. The tool holder 12 is detachably connected to the driving section 31. The rotating section 32 passes through the assembling part 21 of the chassis 2. Inside the assembling part 21, the magnetic attraction ring 41 and the collar 5 are arranged in sequence along the direction away from the tool holder 12. The collar 5 is in interference fit with the assembling part 21, so as to press and fix the magnetic attraction ring 41, enabling the magnetic attraction ring 41 to adsorb and fix the tool holder 12, driving the stirring blade assembly 1 to be reliably fixed on the driving rotating shaft 3, reducing the risk of the stirring blade assembly 1 flying out and falling off, and improving the safety performance of the equipment. Preferably, the elastic gasket 51 is arranged between the magnetic attraction ring 41 and the collar 5, and at the same time, the elastic gasket 51 is used to buffer and shock-absorb the magnetic attraction ring 41, preventing the magnetic attraction ring 41 from colliding with other components and effectively avoiding the magnetic attraction ring 41 from being broken by force. Further, the rigid gasket 52 is arranged between the elastic gasket 51 and the collar 5, driving the rigid gasket 52 to strengthen the support for the elastic gasket. At the same time, the collar 5 in the assembling part 21 presses the rigid gasket 52 through interference fit, preventing the rigid gasket 52 from moving axially, and then driving the rigid gasket 52 to press the magnetic attraction ring 41 through the elastic gasket 51, further optimizing the structure and preventing the magnetic attraction component 4 from moving axially. Preferably, the oil seal 42 is arranged between the magnetic attraction ring 41 and the rotating section 32, so that the magnetic attraction ring 41 and the oil seal 42 are in the same plane, and the magnetic attraction ring 41 wraps the oil seal 42, realizing the same-body structure of the magnetic attraction ring 41 and the oil seal 42, simplifying the fixing method of the magnetic attraction ring 41, and further making full use of the assembling space to make the structure more compact and stable, and improving the effect of preventing the rigid gasket 52 from moving axially. Preferably, the rotating bearing 6 is arranged between the rotating section 32 and the collar 5, improving the concentricity and stability of the driving rotating shaft 3, enabling the driving rotating shaft 3 to drive the stirring blade assembly 1 to rotate more stably, effectively preventing the stirring blade assembly 1 from colliding with the surrounding components during rotation, and improving the safety of the equipment. Further, one end of the rotating bearing 6 away from the stirring blade assembly 1 abuts against a fastener 61, and the fastener 61 is connected to the collar 5, thereby fixing the position of the rotating bearing 6, enabling the rotating bearing 6 to reliably define the concentricity and stability of the driving rotating shaft 3. Further, the rotating section 32 is detachably connected to the motor through the connector 7, so that the detachable stirring blade mechanism can be detachably connected to the main machine part with a motor, realizing the detachment of the detachable stirring blade mechanism from the main machine part, which is convenient for cleaning and maintaining the equipment.

[0039] The technical means disclosed in the solution of the present utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications are also regarded as the protection scope of the present utility model.

Claims

1. A detachable stirring blade mechanism, characterized in that: include: A stirring blade assembly (1); A chassis (2), wherein the chassis (2) is provided with a mounting portion (21); A driving shaft (3), the driving shaft (3) comprising a driving section (31) and a rotating section (32) connected to one end of the driving section (31), the rotating section (32) passing through the assembly portion (21), and the driving section (31) being detachably connected to the stirring blade assembly (1); A magnetic attraction component (4), wherein the magnetic attraction component (4) is arranged between the assembly portion (21) and the rotating section (32), and the stirring blade component (1) is fixed to the magnetic attraction component (4) by adsorption.

2. The detachable stirring blade mechanism according to claim 1, characterized in that: The stirring blade assembly (1) comprises a stirring blade (11) and a blade holder (12); the stirring blade (11) is mounted on the blade holder (12); the blade holder (12) is detachably connected to the driving section (31); and the magnetic attraction assembly (4) is fixed to the blade holder (12) by adsorption.

3. The detachable stirring blade mechanism according to claim 1, characterized in that: The magnetic attraction assembly (4) comprises a magnetic attraction ring (41) and an oil seal (42); the magnetic attraction ring (41) is assembled in the assembly portion (21); and the oil seal (42) is arranged between the magnetic attraction ring (41) and the rotating section (32).

4. The detachable stirring blade mechanism according to claim 1, characterized in that: One end of the magnetic attraction component (4) away from the stirring blade component (1) is in contact with a sleeve ring (5), and the sleeve ring (5) is interference-fitted with the assembly portion (21).

5. The detachable stirring blade mechanism according to claim 4, characterized in that: It also comprises an elastic gasket (51), wherein the elastic gasket (51) is arranged between the magnetic attraction component (4) and the sleeve ring (5).

6. The detachable stirring blade mechanism according to claim 5, characterized in that: It also comprises a rigid gasket (52), wherein the rigid gasket (52) is arranged between the elastic gasket (51) and the collar (5).

7. The detachable stirring blade mechanism according to claim 4, characterized in that: It also comprises a rotating bearing (6), wherein the rotating bearing (6) is arranged between the rotating section (32) and the collar (5).

8. The detachable stirring blade mechanism according to claim 7, characterized in that: One end of the rotary bearing (6) away from the stirring blade assembly (1) is butted against a fastener (61), and the fastener (61) is connected to the sleeve ring (5).

9. The detachable stirring blade mechanism according to claim 1, characterized in that: It also comprises a connector (7), wherein the connector (7) is assembled to the rotating section (32).

10. A cooking device, characterized in that: It comprises a detachable stirring blade mechanism as described in any one of claims 1 to 9.