Sealing structure of smoothie machine

By improving the sealing structure of the smoothie machine and adopting a combined design of drive shaft, limit sleeve, countersunk platform, bearing, fixed cover and limit ring, the problems of insufficient sealing and complex structure were solved, and a smoothie machine design with high efficiency sealing and low cost was achieved.

CN223816909UActive Publication Date: 2026-01-23GUANGDONG SHUNDE NOON APPLIANCE MFG CO LTD +1
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Patent Information

Application Number
CN202520166312.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-01-23
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Existing smoothie machines suffer from insufficient sealing, resulting in reduced cooling efficiency, frequent equipment failures, and high maintenance costs. The complex sealing structure also increases assembly difficulty and shortens service life.

Method used

The design employs a combination of drive shaft, limiting sleeve, countersunk platform, bearing, fixed cover, sealing cover and limiting ring to form an effective sealing structure, simplify component installation and ensure that the positions of each component are consistent during the rotation of the drive shaft, preventing material from entering the evaporator.

Benefits of technology

It improves the sealing and cooling efficiency of the smoothie machine, extends the equipment life, reduces assembly difficulty and operating costs, and ensures the clean and stable operation of the cooling system.

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Abstract

The utility model relates to the field of smoothie machines, and discloses a sealing structure of a smoothie machine, which comprises a driving shaft, a limiting sleeve arranged outside the driving shaft in a penetrating manner, a sinking table arranged outside one end of the limiting sleeve, a bearing arranged outside the middle of the sinking table, a fixing cover arranged outside the bearing, and a sealing cover arranged on one side of the bearing. A limiting ring is arranged between the fixed cover and the sinking table, and the fixed cover is fixedly connected with the sinking table; by arranging the sinking table, the overall structure can be simplified, a stable supporting platform is provided, the assembly installation convenience is improved, the assembly difficulty is reduced, and meanwhile needed materials are reduced; the sealing cover and the fixing cover are connected in a sealing fit mode, effective sealing blocking can be formed, it is ensured that smoothie materials cannot enter the evaporator, a cooling system is effectively prevented from being polluted, the working efficiency is improved, and the service life of equipment is prolonged; and by arranging the limiting ring, it can be ensured that the relative positions of all parts are kept consistent in the rotating process of the driving shaft, and therefore sealing fit is optimized, and the continuity of the sealing effect is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of smoothie machine technology, and in particular to a sealing structure for a smoothie machine. Background Technology

[0002] A smoothie maker is an electric device specifically designed for the rapid production of smoothies and cold drinks. It boasts advantages such as ease of operation and rapid cooling, and is widely used in homes, restaurants, coffee shops, and various entertainment venues. Sealing performance is crucial in the design of a smoothie maker, as it directly affects the equipment's efficiency and the quality of the final product. A good seal ensures effective isolation between raw materials and the cooling system, preventing external materials such as ice, fruits, vegetables, or beverage ingredients from entering the evaporator. This guarantees a highly efficient and consistent cooling process while preventing equipment damage caused by impurities.

[0003] However, existing smoothie machines generally suffer from several significant defects in their sealing design. First, many products lack sufficient sealing, failing to effectively prevent external materials from entering the evaporator. This not only reduces cooling efficiency and production effectiveness but may also lead to equipment malfunctions or extended maintenance cycles. Second, the sealing structures of existing smoothie machines are often overly complex, involving multiple interoperable components. This not only increases the difficulty of assembly and maintenance but also raises production costs. Furthermore, the complex design can accelerate wear and tear on components, shortening the smoothie machine's lifespan and resulting in higher operating costs and maintenance burdens for users. Utility Model Content

[0004] Therefore, it is necessary to provide a sealing structure for a smoothie machine to address the problems of insufficient sealing and complex sealing structure in existing smoothie machines.

[0005] A sealing structure for a smoothie machine includes:

[0006] A drive shaft configured to drive the scraper to rotate;

[0007] A limiting sleeve, wherein the limiting sleeve extends through the outside of the drive shaft;

[0008] A recessed platform is provided outside one end of the limiting sleeve;

[0009] The bearing is located on the outer side of the middle part of the sinking platform and extends through the outside of the drive shaft;

[0010] A fixing cover is provided on the outside of the bearing and is fixedly connected to the sinking platform;

[0011] A sealing cover is provided on the outside of the bearing and is engaged with the fixing cover;

[0012] A limiting ring is arranged between the fixed cover and the sink.

[0013] In one of the embodiments, a limiting groove is arranged on the outside of the limiting sleeve near one end of the sink, the limiting groove is in abutment with the sink, and the inner diameter of the limiting sleeve is equal to the outer diameter of the driving shaft.

[0014] In one of the embodiments, the sink is provided with a bottom surface near one side of the limiting ring, the sink includes a convex surface and a concave surface, a first through hole is arranged in the middle of the sink, the limiting groove is sleeved in the first through hole, mounting holes are arranged at the four cardinal points of the periphery of the sink, and a plurality of screws are arranged on the side of the convex surface and penetrate through the mounting holes.

[0015] In one of the embodiments, a positioning sleeve is arranged at the four cardinal points of the periphery of the fixed cover near one side of the sink, a threaded hole is arranged in the middle of the positioning sleeve, the positioning sleeve is arranged in the concave surface, the threaded hole corresponds to the mounting hole, and the screw is threadedly connected with the threaded hole.

[0016] In one of the embodiments, a second through hole is arranged in the middle of the fixed cover, a fixed ring is arranged on the end surface of the fixed cover on the opposite inner side of the positioning sleeve, and the inner diameter of the fixed ring is greater than the diameter of the second through hole.

[0017] In one of the embodiments, a bearing is arranged in the concave surface, a third through hole is arranged in the middle of the bearing, the diameter of the third through hole is equal to the outer diameter of the driving shaft, and the peripheral side surface of the bearing is in abutment with the inner side surface of the fixed ring.

[0018] In one of the embodiments, an annular groove is recessed in the middle of the outer side of the sealing cover, the outer diameter of the annular groove is equal to the diameter of the second through hole, the annular groove is clamped with the second through hole, the end surface of the sealing cover near the bearing is in abutment with the end surface of the bearing near the sealing cover, a fourth through hole is arranged in the middle of the sealing cover, and the diameter of the fourth through hole is equal to the outer diameter of the driving shaft.

[0019] In one of the embodiments, the limiting ring is clamped between the bottom surface and the fixed cover, a fifth through hole is arranged in the middle of the limiting ring, the diameter of the fifth through hole is equal to the outer diameter of the fixed ring, a circular arc groove is recessed at the cardinal points of the fifth through hole of the limiting ring, the inner diameter of the circular arc groove is equal to the outer diameter of the positioning sleeve, the positioning sleeve penetrates through the circular arc groove and is connected with the screw, and the two sides of the limiting ring are convexly provided with a texture.

[0020] In one embodiment, one end of the drive shaft passes through the limiting sleeve, the third through hole, and the fourth through hole in sequence and is rotatably connected, and a scraper is connected to its end. The other end of the drive shaft is connected to a drive motor.

[0021] In one embodiment, an evaporator is also included, the settling platform is disposed in the end plate of the evaporator, the drive shaft passes through the evaporator, and the scraper spiral is disposed outside the evaporator.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0023] (1) By setting up a recessed platform, the overall structure can be simplified, a stable support platform can be provided, the ease of component installation can be improved, the assembly difficulty can be reduced, and the required materials can be reduced.

[0024] (2) By setting a sealing fit between the sealing cover and the fixed cover, an effective sealing barrier can be formed to ensure that the ice slush material cannot enter the evaporator, effectively preventing the cooling system from being contaminated, and improving working efficiency and equipment life;

[0025] (3) By setting a limit ring, it can be ensured that the relative positions of each component remain consistent during the rotation of the drive shaft, thereby optimizing the sealing fit, ensuring the continuity of the sealing effect, and avoiding performance loss;

[0026] (4) By setting bearings, the drive shaft can rotate smoothly in the evaporator, and the leakage of refrigerant is suppressed by its sealing design, thereby enhancing the cooling effect. Attached Figure Description

[0027] Figure 1 An exploded view of the sealing structure of a smoothie machine;

[0028] Figure 2 This is a cross-sectional view of the sealing structure of a smoothie machine;

[0029] Figure 3 for Figure 2 A magnified view of part A.

[0030] The correspondence between the reference numerals and the component names is as follows:

[0031] 1. Drive shaft; 2. Limiting sleeve; 3. Countersunk platform; 4. Bearing; 5. Fixing cover; 6. Sealing cover; 7. Limiting ring; 8. Limiting groove; 9. Platform bottom surface; 10. Convex surface; 11. Concave surface; 12. First through hole; 13. Mounting hole; 14. Screw; 15. Positioning sleeve; 16. Threaded hole; 17. Second through hole; 18. Fixing ring; 19. Third through hole; 20. Annular groove; 21. Fourth through hole; 22. Fifth through hole; 23. Arc groove; 24. Texture; 25. Scraper; 26. Drive motor; 27. Evaporator. Detailed Implementation

[0032] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0033] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0034] Some embodiments of this utility model are described below with reference to the accompanying drawings.

[0035] like Figures 1 to 3 As shown in the figure, this embodiment discloses a sealing structure for a smoothie machine, including: a drive shaft 1, a limiting sleeve 2 extending through the outside of the drive shaft 1, a recessed platform 3 on the outside of one end of the limiting sleeve 2, a bearing 4 on the outer side of the middle of the recessed platform 3, a fixing cover 5 on the outside of the bearing 4, a sealing cover 6 on one side of the bearing 4, a limiting ring 7 between the fixing cover 5 and the recessed platform 3, and the fixing cover 5 and the recessed platform 3 are fixedly connected. The beneficial effects of this embodiment are as follows: (1) By setting the sinking platform 3, the overall structure can be simplified, a stable support platform can be provided, the convenience of component installation can be improved, the assembly difficulty can be reduced, and the required materials can be reduced; (2) By setting the sealing cover 6 and the fixed cover 5 in a sealed fit connection, an effective sealing barrier can be formed to ensure that the ice slush material cannot enter the evaporator 27, effectively preventing the cooling system from being contaminated, and improving working efficiency and equipment life; (3) By setting the limiting ring 7, it can be ensured that the relative positions of each component are consistent during the rotation of the drive shaft 1, thereby optimizing the sealing fit, ensuring the continuity of the sealing effect, and avoiding performance loss; (4) By setting the bearing 4, the drive shaft 1 can rotate smoothly in the evaporator 27, and at the same time, its sealing design suppresses the leakage of refrigerant and enhances the cooling effect.

[0036] like Figure 3As shown, in addition to the features of the above embodiments, this embodiment further specifies that: a limiting groove 8 is provided on the outer side of the limiting sleeve 2 near the sinking platform 3, the limiting groove 8 abuts against the sinking platform 3, the limiting sleeve 2 connects the drive shaft 1 and the sinking platform 3, and the limiting groove 8 can prevent external materials from entering the evaporator 27 from the gap between the sinking platform 3 and the drive shaft 1, the inner diameter of the limiting sleeve 2 is equal to the outer diameter of the drive shaft 1, the drive shaft 1 passes through the limiting sleeve 2 and can rotate inside the limiting sleeve 2.

[0037] like Figure 1 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the recessed platform 3 is configured as a platform bottom surface 9 on the side near the limiting ring 7, the recessed platform 3 includes a convex surface 10 and a concave surface 11, the recessed platform 3 is used to provide a stable support platform, and can provide a connection and fixation between the fixing cover 5 and the evaporator 27, so that no additional fasteners are needed, simplifying the overall structure, reducing assembly difficulty, reducing the amount of materials used, and reducing the cost of use; a first through hole 12 is opened in the middle of the recessed platform 3, the limiting groove 8 is sleeved in the first through hole 12, the limiting groove 8 can serve as a defense line to isolate the evaporator 27 from the outside, mounting holes 13 are opened at the quadrant points around the recessed platform 3, and a plurality of screws 14 are provided on the side of the convex surface 10, the screws 14 penetrate the mounting holes 13, and the screws 14 are used to fix the fixing cover 5 in the recessed platform 3.

[0038] like Figure 3 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: a positioning sleeve 15 is provided at the quadrant points on the side of the fixed cover 5 near the recessed platform 3, a threaded hole 16 is provided in the middle of the positioning sleeve 15, the positioning sleeve 15 is located in the concave surface 11, the fixed cover 5 is installed in the recessed platform 3, and the fixed connection between the recessed platform 3 and the fixed cover 5 is realized through the connection of the positioning sleeve 15 and the screw 14, the threaded hole 16 corresponds to the mounting hole 13, and the screw 14 is threadedly connected to the threaded hole 16.

[0039] like Figure 1 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: a second through hole 17 is provided in the middle of the fixed cover 5, and a fixing ring 18 is provided on the inner side of the fixed cover 5 of the positioning sleeve 15. The inner diameter of the fixing ring 18 is larger than the diameter of the second through hole 17, and a groove is formed between the fixing ring 18 and the fixed cover 5 for sealing the sealing connection between the cover 6 and the fixed cover 5.

[0040] like Figure 1As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the bearing 4 is disposed in the concave surface 11, the bearing 4 has a third through hole 19 in the middle, the diameter of the third through hole 19 is equal to the outer diameter of the drive shaft 1, the outer side of the bearing 4 abuts against the inner side of the fixing ring 18, the bearing 4 can provide stable rotation of the drive shaft 1, and the fixing ring 18 can fix the bearing 4 to prevent vibration caused by the rotation of the drive shaft 1, thereby achieving shock absorption and improving overall stability. The bearing 4 has a partial hollow in the middle, which can further reduce weight, reduce material usage, reduce the weight of the whole machine, and save costs.

[0041] like Figure 3 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: an annular groove 20 is recessed on the outer side of the middle part of the sealing cover 6, the outer diameter of the annular groove 20 is equal to the diameter of the second through hole 17, the annular groove 20 is engaged with the second through hole 17, the setting of the annular groove 20 enables the sealing cover 6 and the fixing cover 5 to fit tightly, further improving the sealing performance between the sealing cover 6 and the fixing cover 5, the end face of the sealing cover 6 near the bearing 4 abuts against the end face of the bearing 4 near the sealing cover 6, the mutual abutment between the sealing cover 6 and the bearing 4 can further improve stability, a fourth through hole 21 is opened in the middle of the sealing cover 6, the diameter of the fourth through hole 21 is equal to the outer diameter of the drive shaft 1; the I-shaped setting of the sealing cover 6 can not only improve the connection stability between the sealing cover 6 and the fixing cover 5, but also improve the sealing performance, forming the first line of defense to isolate the evaporator 27 from the outside.

[0042] like Figure 1 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the limiting ring 7 is sandwiched between the bottom surface 9 of the platform and the fixed cover 5. The limiting ring 7 serves as a second line of defense to isolate the evaporator 27 from the outside, preventing external contents from entering the concave surface 11 of the platform 3, thereby preventing them from entering the evaporator 27; a fifth through hole 22 is provided in the middle of the limiting ring 7, the diameter of which is equal to the outer diameter of the fixed ring 18. The fifth through hole 22 is used for the limiting ring 7 and the fixed cover 5. The locking mechanism between the two is such that the limiting ring 7 has a recessed arc groove 23 at the quadrant point of the fifth through hole 22. The inner diameter of the arc groove 23 is equal to the outer diameter of the positioning sleeve 15. The arc groove 23 is used to limit the position of the positioning sleeve 15. The positioning sleeve 15 passes through the arc groove 23 and is connected to the screw 14. Both sides of the limiting ring 7 are provided with raised textures 24. The textures 24 can improve the friction and anti-slip properties between the limiting ring 7 and the fixing cover 5 and the bottom surface 9 of the platform, thereby further improving the sealing performance.

[0043] like Figure 2As shown, in addition to the features of the above embodiments, this embodiment further specifies that: one end of the drive shaft 1 passes through the limiting sleeve 2, the third through hole 19, and the fourth through hole 21 in sequence and is rotatably connected, and its end is connected to a scraper 25; the other end of the drive shaft 1 is connected to a drive motor 26. It also includes an evaporator 27, with the settling platform 3 disposed in the end plate of the evaporator 27, the drive shaft 1 passing through the evaporator 27, and the scraper 25 spirally disposed outside the evaporator 27. The working principle of the smoothie machine is as follows: after the raw material enters the material cylinder where the scraper 25 is located, the evaporator 27 cools it, turning it into smoothie, which adheres to the surface of the evaporator 27. By starting the drive motor 26, the drive shaft 1 is rotated, thereby driving the scraper 25 to scrape the surface of the evaporator 27, outputting the smoothie. In this embodiment, the sequential installation of the sealing cover 6, the fixing cover 5, the limiting ring 7, the bearing 4, and the limiting sleeve 2 ensures that raw materials or ice cream will not enter the evaporator 27 during the rotation of the drive shaft 1, thereby achieving excellent sealing.

[0044] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0045] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A sealing structure for a smoothie machine, characterized in that, include: A drive shaft (1) is configured to drive the scraper (25) to rotate; A limiting sleeve (2) is provided through the outside of the drive shaft (1); A recessed platform (3) is located outside one end of the limiting sleeve (2); The bearing (4) is located on the outer side of the middle part of the sink (3) and extends through the outside of the drive shaft (1); A fixed cover (5) is provided outside the bearing (4) and is fixedly connected to the sink (3); A sealing cover (6) is provided on the outside of the bearing (4) and is engaged with the fixing cover (5); A limiting ring (7) is provided between the fixed cover (5) and the sinking platform (3).

2. The sealing structure of a smoothie machine according to claim 1, characterized in that, The limiting sleeve (2) has a limiting groove (8) at one end near the sinking platform (3). The limiting groove (8) abuts against the sinking platform (3). The inner diameter of the limiting sleeve (2) is equal to the outer diameter of the drive shaft (1).

3. The sealing structure of a smoothie machine according to claim 2, characterized in that, The recessed platform (3) is set as the bottom surface (9) on the side near the limiting ring (7). The recessed platform (3) includes a convex surface (10) and a concave surface (11). A first through hole (12) is opened in the middle of the recessed platform (3). The limiting groove (8) is fitted in the first through hole (12). Mounting holes (13) are opened at the quadrant points around the recessed platform (3). Several screws (14) are provided on the side of the convex surface (10). The screws (14) pass through the mounting holes (13).

4. The sealing structure of a smoothie machine according to claim 3, characterized in that, The fixing cover (5) is provided with a positioning sleeve (15) at the quadrant points on the side near the sink (3). The positioning sleeve (15) has a threaded hole (16) in the middle. The positioning sleeve (15) is located in the concave surface (11). The threaded hole (16) corresponds to the mounting hole (13). The screw (14) is threadedly connected to the threaded hole (16).

5. The sealing structure of a smoothie machine according to claim 4, characterized in that, The fixing cover (5) has a second through hole (17) in the middle. The positioning sleeve (15) has a fixing ring (18) on the inner side of the fixing cover (5). The inner diameter of the fixing ring (18) is larger than the diameter of the second through hole (17).

6. The sealing structure of a smoothie machine according to claim 5, characterized in that, The bearing (4) is located in the concave surface (11). A third through hole (19) is provided in the middle of the bearing (4). The diameter of the third through hole (19) is equal to the outer diameter of the drive shaft (1). The outer side of the bearing (4) abuts against the inner side of the fixing ring (18).

7. The sealing structure of a smoothie machine according to claim 6, characterized in that, The sealing cover (6) has an annular groove (20) recessed on the outer side of the middle part. The outer diameter of the annular groove (20) is equal to the diameter of the second through hole (17). The annular groove (20) is engaged with the second through hole (17). The end face of the sealing cover (6) near the bearing (4) abuts against the end face of the bearing (4) near the sealing cover (6). The sealing cover (6) has a fourth through hole (21) in the middle part. The diameter of the fourth through hole (21) is equal to the outer diameter of the drive shaft (1).

8. The sealing structure of a smoothie machine according to claim 7, characterized in that, The limiting ring (7) is sandwiched between the bottom surface (9) of the platform and the fixing cover (5). The limiting ring (7) has a fifth through hole (22) in the middle. The diameter of the fifth through hole (22) is equal to the outer diameter of the fixing ring (18). The limiting ring (7) has an arc groove (23) recessed at the quadrant point of the fifth through hole (22). The inner diameter of the arc groove (23) is equal to the outer diameter of the positioning sleeve (15). The positioning sleeve (15) passes through the arc groove (23) and is connected to the screw (14). The limiting ring (7) has raised textures (24) on both sides.

9. The sealing structure of a smoothie machine according to claim 8, characterized in that, One end of the drive shaft (1) passes through the limiting sleeve (2), the third through hole (19) and the fourth through hole (21) in sequence and is rotatably connected, and a scraper (25) is connected to its end. The other end of the drive shaft (1) is connected to a drive motor (26).

10. The sealing structure of a smoothie machine according to claim 9, characterized in that, It also includes an evaporator (27), the settling platform (3) is disposed in the end plate of the evaporator (27), the drive shaft (1) passes through the evaporator (27), and the scraper (25) is spirally disposed outside the evaporator (27).