A stable stainless steel stirring blade assembly

Abstract

This utility model relates to the technical field of food mixing blade components, and more particularly to a stainless steel mixing blade component with good stability. It includes a blade holder, a blade shaft, and a locking nut. The blade shaft is fitted with a vibration-damping and noise-reducing rubber ring. The blade shaft has multiple nanopores forming a nanopore surface. The vibration-damping and noise-reducing rubber ring is integrally injection molded and tightly bonded to the nanopore surface of the blade shaft to form an integrated structure. From top to bottom, an upper-layer mixing blade, a middle-layer mixing blade, and a lower-layer mixing blade are sequentially fitted onto the outer side of the vibration-damping and noise-reducing rubber ring. The locking nut locks the upper-layer, middle-layer, and lower-layer mixing blades downwards. This utility model not only avoids radial movement of the stainless steel mixing blade and hard contact with the blade shaft, but also ensures more uniform overall force distribution, greatly improving overall stability and reducing noise, making it more suitable for various food mixers.

Description

Technical fields:

[0001] This utility model relates to the technical field of food mixing blade assembly, and in particular to a stainless steel mixing blade assembly with good stability. Background technology:

[0002] A blender is a food processing machine that can conveniently and quickly process and pulverize food. It is especially suitable for making juices, fruit purees, powders, dried fruits, crushed ice, minced meat, etc., according to personal preferences, thus ensuring the freshness and preservation of the food's nutrients. Blenders pulverize food by rotating blades; therefore, the quality of the blades directly affects the blender's performance.

[0003] Existing mixing blade assemblies for food mixing include a blade holder, a blade shaft rotatably connected to the blade holder in a vertical direction, several mixing blades sleeved on the blade shaft, and a locking nut for locking each mixing blade to the blade shaft. Most existing mixing blades are directly sleeved on the blade shaft. Since there is a certain degree of fit tolerance between the mixing blade and the blade shaft, when the mixing blade rotates at high speed, the mixing blade may experience radial movement and make hard contact with the blade shaft. This not only results in poor overall stability but also generates a lot of noise. Utility Model Content:

[0004] The purpose of this invention is to provide a stainless steel mixing blade assembly with good stability to address the shortcomings of existing technologies. It can not only prevent the stainless steel mixing blade from radially moving and making hard contact with the blade shaft, but also ensure that the overall force is more evenly distributed, which can greatly improve the overall stability and reduce noise, making it more suitable for various food mixers.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a stainless steel stirring blade assembly with good stability, including a blade holder, a blade shaft rotatably connected to the blade holder in a vertical direction, and a locking nut. The blade shaft is fitted with a vibration-damping and noise-reducing rubber ring. The blade shaft is formed with multiple nanopores and forms a nanopore surface. The vibration-damping and noise-reducing rubber ring is tightly bonded to the nanopore surface of the blade shaft by integral injection molding to form an integral structure. From top to bottom, an upper region stirring blade, a middle region stirring blade, and a lower region stirring blade are sequentially fitted on the outer side of the vibration-damping and noise-reducing rubber ring. The locking nut locks the upper region stirring blade, the middle region stirring blade, and the lower region stirring blade downwards.

[0006] A further improvement to the above scheme is that the upper region stirring blade includes an upper blade connector sleeved on the blade shaft, and two upper blades respectively bent upwards and formed on both sides of the upper blade connector. Each of the two upper blades has an upper blade edge. The middle region stirring blade includes a middle blade connector sleeved on the blade shaft, and multiple middle blades evenly distributed along the circumferential direction on the middle blade connector. Each middle blade has a middle blade edge. The lower region stirring blade includes a lower blade connector sleeved on the blade shaft, and two lower blades respectively bent downwards and formed on both sides of the lower blade connector. Each of the two lower blades has a lower blade edge.

[0007] A further improvement to the above scheme is that the area formed by the rotation of the upper blade is the upper stirring area, and the area formed by the rotation of the lower blade is the lower stirring area, with the upper stirring area and the lower stirring area being symmetrically arranged.

[0008] A further improvement to the above scheme is that the cross-sectional shape of the upper region stirring blade is U-shaped, and the cross-sectional shape of the lower region stirring blade is inverted U-shaped.

[0009] A further improvement to the above scheme is that the bending angle of the upper blade is 40-60° and the bending angle of the lower blade is 40-60°.

[0010] A further improvement to the above scheme is that the central blades of the central region stirring blade are staggered in that one blade bends upward and the other bends downward.

[0011] A further improvement to the above scheme is that the bending angle of the middle blade is 5-15°.

[0012] A further improvement to the above scheme is that the central blade portion has a serrated structure.

[0013] A further improvement to the above scheme is that the height of the upper blade portion is higher than that of the middle blade portion, and the height of the middle blade portion is higher than that of the lower blade portion.

[0014] A further improvement to the above scheme is that the blade shaft, the upper region stirring blade, the middle region stirring blade, and the lower region stirring blade are all made of stainless steel; and the vibration damping and noise reduction rubber ring is made of silicone rubber or fluororubber.

[0015] The beneficial effects of this utility model are as follows: This utility model provides a stainless steel stirring blade assembly with good stability, including a blade holder, a blade shaft rotatably connected to the blade holder in the vertical direction, and a locking nut. The blade shaft is fitted with a vibration-damping and noise-reducing rubber ring. The blade shaft is formed with multiple nanopores and forms a nanopore surface. The vibration-damping and noise-reducing rubber ring is tightly combined with the nanopore surface of the blade shaft by integral injection molding to form an integral structure. The outer side of the vibration-damping and noise-reducing rubber ring is fitted with an upper area stirring blade, a middle area stirring blade, and a lower area stirring blade in sequence from top to bottom. The locking nut locks the upper area stirring blade, the middle area stirring blade, and the lower area stirring blade downwards.

[0016] Compared to existing mixing blade assemblies, this invention incorporates vibration-damping and noise-reducing rubber rings between the blade shaft and the upper, middle, and lower mixing blades. By compensating for tolerances through elastic deformation of these rubber rings, radial movement of the stainless steel mixing blades and hard contact with the blade shaft are prevented. The upper mixing blades mix and pulverize food in the upper part of the mixer, the middle mixing blades mix and pulverize food in the middle part, and the lower mixing blades mix and pulverize food in the lower part. This results in shorter mixing and pulverizing time, higher efficiency, and more uniform mixing and pulverizing. Furthermore, the overall force is more even, the overall structure has higher strength, and it is less prone to wear, significantly improving overall stability and reducing noise. In addition, the blade shaft, upper mixing blades, middle mixing blades, and lower mixing blades are all made of stainless steel, resulting in high strength and a longer service life, making it more suitable for various food mixers. Attached image description:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a top view of the present invention.

[0019] Figure 3 This is a schematic diagram of a partial internal structure of the present invention.

[0020] Explanation of reference numerals in the attached diagram: 1. Blade shaft; 2. Upper zone mixing blade; 21. Upper blade connector; 22. Upper blade; 23. Upper blade edge; 3. Middle zone mixing blade; 31. Middle blade connector; 32. Middle blade; 33. Lower zone mixing blade; 4. Lower blade connector; 41. Lower blade; 42. Lower blade; 43. Lower blade edge; 5. Blade holder; 6. Locking nut; 7. Vibration damping and noise reduction rubber ring. Detailed implementation method:

[0021] The present invention will be further described below with reference to the accompanying drawings, such as... Figure 1-3As shown, this utility model includes a blade holder 5, a blade shaft 1 rotatably connected to the blade holder 5 in a vertical direction, and a locking nut 6. The blade shaft 1 is fitted with a vibration-damping and noise-reducing rubber ring 7. The blade shaft 1 has multiple nanopores forming a nanopore surface. The vibration-damping and noise-reducing rubber ring 7 is integrally injection molded and tightly bonded to the nanopore surface of the blade shaft 1 to form an integrated structure. From top to bottom, an upper-layer stirring blade 2, a middle-layer stirring blade 3, and a lower-layer stirring blade 4 are sequentially fitted onto the outer side of the vibration-damping and noise-reducing rubber ring 7. The locking nut 6 locks the upper-layer stirring blade 2, the middle-layer stirring blade 3, and the lower-layer stirring blade 4 downwards. Compared to existing stirring blade assemblies, this utility model, by setting a vibration-damping and noise-reducing rubber ring 7 between the blade shaft 1 and the upper-layer stirring blade 2, the middle-layer stirring blade 3, and the lower-layer stirring blade 4, compensates for the vibration by elastic deformation of the rubber ring 7. The tolerances are well-defined to prevent radial movement of the stainless steel mixing blades and hard contact with the blade shaft 1. The upper mixing blade 2 mixes and pulverizes the food located in the upper layer of the mixer, the middle mixing blade 3 mixes and pulverizes the food located in the middle layer of the mixer, and the lower mixing blade 4 mixes and pulverizes the food located in the lower layer of the mixer. This not only reduces the mixing and pulverizing time, but also increases the mixing and pulverizing efficiency and uniformity. Furthermore, the overall force is more even, the overall strength is higher, and it is less prone to wear, which greatly improves the overall stability and reduces noise. In addition, the blade shaft 1, the upper mixing blade 2, the middle mixing blade 3, and the lower mixing blade 4 are all made of stainless steel, which has high strength and a longer service life, making it more suitable for various food mixers.

[0022] The cutter shaft 1 of this invention is formed with multiple nanopores to form a nanopore surface. The vibration damping and noise reduction rubber ring 7 is integrally injection molded and tightly bonded to the nanopore surface of the cutter shaft 1 to form an integral structure, which can greatly improve the bonding force between the vibration damping and noise reduction rubber ring 7 and the cutter shaft 1, and can make the vibration damping and noise reduction rubber ring 7 firmly set on the cutter shaft 1, thereby enabling better vibration damping and noise reduction.

[0023] The upper region stirring blade 2 includes an upper blade connector 21 sleeved on the blade shaft 1 and two upper blades 22 bent obliquely upward on both sides of the upper blade connector 21. Each upper blade 22 has an upper blade edge 23. The middle region stirring blade 3 includes a middle blade connector 31 sleeved on the blade shaft 1 and multiple middle blades 32 evenly distributed along the circumference of the middle blade connector 31. In this embodiment, the middle region stirring blade 3 includes five middle blades 32. Of course, in other embodiments, the middle region stirring blade 3 may also include other numbers of middle blades 32. Each middle blade 32 has a middle blade edge 33. The lower region stirring blade 4 includes a lower blade connector 41 sleeved on the blade shaft 1 and two lower blades 42 bent obliquely downward on both sides of the lower blade connector 41. Each lower blade 42 has a lower blade edge 43.

[0024] The area formed by the rotation of the upper blade 23 is the upper stirring area, and the area formed by the rotation of the lower blade 43 is the lower stirring area. The upper and lower stirring areas are symmetrically arranged. Compared with the previous method of using a single stirring blade to stir and pulverize the food in the entire blender cup, this invention uses the upper stirring blade 2, the middle stirring blade 3, and the lower stirring blade 4 to stir and pulverize the food in different areas. This not only makes the stirring and pulverization more thorough, but also disperses the force, thereby improving the overall balance and stability, reducing vibration, and resulting in a better overall stirring and pulverizing effect.

[0025] The upper region stirring blade 2 has a U-shaped cross-section and the bending angle of the upper blade 22 is preferably 40-60°. The lower region stirring blade 4 has an inverted U-shaped cross-section and the bending angle of the lower blade 42 is preferably 40-60°. The middle region stirring blade 3 has its middle blades 32 arranged alternately with one bending upwards and the other bending downwards, and the bending angle of the middle blades 32 is preferably 5-15°. After testing and verification, when the bending angle of the upper blade 22 is 40-60°, the bending angle of the lower blade 42 is 40-60°, and the bending angle of the middle blades 32 is 5-15°, the overall stirring and pulverizing effect is better.

[0026] The central blade 33 has a serrated structure, which can better cut hard foods and cut them into finer particles, thus enabling more thorough mixing and pulverization of the food.

[0027] The upper blade 23 is positioned higher than the middle blade 33, and the middle blade 33 is positioned higher than the lower blade 43. The upper blade 23, middle blade 33, and lower blade 43 respectively mix and pulverize the food at various positions on the mixer. This not only results in high mixing and pulverization efficiency and thorough mixing and pulverization, but also good balance and stability with minimal vibration, making it more suitable for various food mixers.

[0028] The vibration damping and noise reduction rubber ring 7 is made of silicone rubber or fluororubber, which is not only non-toxic but also resistant to aging. It is well-suited for vibration damping and noise reduction between the blade shaft 1 and the upper zone stirring blade 2, the middle zone stirring blade 3, and the lower zone stirring blade 4.

[0029] Of course, the above description is only a preferred embodiment of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A stainless steel stirring blade assembly with good stability, comprising a blade holder (5), a blade shaft (1) rotatably connected to the blade holder (5) in a vertical direction, and a locking nut (6), characterized in that: The cutter shaft (1) is fitted with a vibration damping and noise reduction rubber ring (7). The cutter shaft (1) is formed with multiple nanopores and forms a nanopore surface. The vibration damping and noise reduction rubber ring (7) is tightly bonded to the nanopore surface of the cutter shaft (1) by integral injection molding to form an integral structure. The outer side of the vibration damping and noise reduction rubber ring (7) is fitted with an upper region stirring blade (2), a middle region stirring blade (3), and a lower region stirring blade (4) from top to bottom. The locking nut (6) locks the upper region stirring blade (2), the middle region stirring blade (3), and the lower region stirring blade (4) downward.

2. The stainless steel stirring blade assembly with good stability according to claim 1, characterized in that: The upper region stirring blade (2) includes an upper blade connector (21) sleeved on the blade shaft (1) and two upper blades (22) bent obliquely upward on both sides of the upper blade connector (21). Each upper blade (22) has an upper blade edge (23). The middle region stirring blade (3) includes a middle blade connector (31) sleeved on the blade shaft (1) and multiple middle blades (32) evenly distributed along the circumference of the middle blade connector (31). Each middle blade (32) has a middle blade edge (33). The lower region stirring blade (4) includes a lower blade connector (41) sleeved on the blade shaft (1) and two lower blades (42) bent obliquely downward on both sides of the lower blade connector (41). Each lower blade (42) has a lower blade edge (43).

3. The stainless steel stirring blade assembly with good stability according to claim 2, characterized in that: The area formed by the rotation of the upper blade (23) is the upper stirring area, and the area formed by the rotation of the lower blade (43) is the lower stirring area. The upper stirring area and the lower stirring area are symmetrically arranged.

4. The stainless steel stirring blade assembly with good stability according to claim 2, characterized in that: The upper region stirring blade (2) has a U-shaped cross-section, and the lower region stirring blade (4) has an inverted U-shaped cross-section.

5. The stainless steel stirring blade assembly with good stability according to claim 2, characterized in that: The bending angle of the upper blade (22) is 40-60°, and the bending angle of the lower blade (42) is 40-60°.

6. The stainless steel stirring blade assembly with good stability according to claim 2, characterized in that: The central blades (32) of the central region stirring blade (3) are staggered in a manner where one blade bends upward and the other bends downward.

7. The stainless steel stirring blade assembly with good stability according to claim 6, characterized in that: The bending angle of the central blade (32) is 5-15°.

8. The stainless steel stirring blade assembly with good stability according to claim 2, characterized in that: The central blade section (33) has a serrated structure.

9. A stainless steel stirring blade assembly with good stability according to claim 2, characterized in that: The height of the upper blade part (23) is higher than that of the middle blade part (33), and the height of the middle blade part (33) is higher than that of the lower blade part (43).

10. A stainless steel stirring blade assembly with good stability according to claim 1, characterized in that: The blade shaft (1), the upper region stirring blade (2), the middle region stirring blade (3), and the lower region stirring blade (4) are all made of stainless steel; the vibration damping and noise reduction rubber ring (7) is made of silicone rubber or fluororubber.

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