Lifting assembly and food processor

Abstract

The utility model discloses a lifting assembly and a food processor. The lifting assembly comprises a base and a lifting platform. The lifting platform comprises a lifting support and a lifting piece. The base comprises a containing cavity, the lifting part is inserted into the containing cavity and is in clearance fit with the cavity wall of the containing cavity, and an anti-disengaging limiting structure is arranged between the lifting part and the cavity wall. The base comprises a base spiral part spiral around the center line of the base and a supporting part connected with the base spiral part, and the center line extends in the lifting direction of the lifting platform. The lifting support is provided with a matching part. The matching part is matched with the base spiral part to enable the lifting platform to ascend to a target position or descend to an initial position; in the target position, the matching part is located on the supporting part and supported by the supporting part. The anti-disengaging limiting structure limits rotation of the lifting platform and disengaging of the lifting platform from the containing cavity. In the lifting process of the lifting platform, the lifting piece and the base are in an inserted state. Based on the arrangement, the lifting platform is not easy to shake, so that the lifting object (the stirring cup assembly) can work stably and is not easy to shake.

Description

Technical Field

[0001] This application relates to lifting mechanisms, and more particularly to lifting components and food processors. Background Technology

[0002] A device with a lifting assembly includes a lifting object. The lifting object is assembled on top of the lifting assembly. Taking a food processor as an example: the food processor includes a main unit and a blending cup assembly (i.e., the lifting object). The blending cup assembly includes a blending cup and a blending element. The main unit includes the lifting assembly and a drive assembly. During use, the blending cup assembly is assembled on top of the lifting assembly. The lifting assembly raises the blending cup assembly until the blending element connects to the drive assembly. The drive assembly drives the blending element to rotate within the blending cup to process food.

[0003] Since the aforementioned lifting object (mixing cup assembly) is located at the top of the lifting assembly, vibrations are inevitably caused during the rotation of the mixing component by the drive assembly. These vibrations can cause the lifting object to sway. Therefore, ensuring the stability of the lifting object during the operation of the food processor is a technical problem that needs to be solved. Utility Model Content

[0004] The purpose of this application is to disclose a lifting assembly and a food processor. The lifting assembly helps to ensure that the object being lifted does not easily shake during operation and is stable.

[0005] In a first aspect, this application discloses a lifting assembly. The lifting assembly includes a base and a lifting platform, wherein: the lifting platform includes a lifting bracket and a lifting component; the base includes a receiving cavity; the lifting component is inserted into the receiving cavity and has a clearance fit with the cavity wall; an anti-detachment limiting structure is provided between the lifting component and the cavity wall; the base includes a base spiral portion spirally arranged around a centerline of the base and a support portion connected to the base spiral portion; the centerline extends along the lifting direction of the lifting platform; the lifting bracket is provided with a mating portion. The mating portion and the base spiral portion cooperate to allow the lifting platform to rise to a target position or descend to an initial position. At the target position, the mating portion is located on the support portion and supported by the support portion; and the anti-detachment limiting structure restricts the lifting platform from rotating and disengaging from the receiving cavity. During the lifting process, the lifting component and the base are in an inserted state.

[0006] As described above, the mating part and the base spiral part cooperate to raise the lifting platform to the target position. At the target position, the mating part is supported by the support part. In this position, the stirring element within the stirring cup assembly is driven to rotate by the drive assembly. However, because the mating part is supported by the support part, and because the anti-detachment limiting structure restricts the rotation of the lifting platform and its disengagement from the receiving cavity, the lifting platform is less prone to wobbling (e.g., it is less likely that the mating part will retract into the base spiral part due to the operation of the stirring cup assembly, causing the lifting element to descend). Ultimately, this helps to prevent the lifted object (stirring cup assembly) from wobbling, ensuring stable operation and avoiding damage and potential danger during operation.

[0007] Furthermore, in the above-mentioned lifting assembly, only a force needs to be applied to the object to be lifted to make the base spiral part cooperate with the mating part to complete the lifting of the object. Therefore, the lifting assembly is simple and convenient for consumers to use.

[0008] Finally, because the lifting component is inserted into the receiving cavity and fits with the cavity wall of the receiving cavity with a clearance, and the fitting part fits with the base spiral part, on the one hand, the structural precision requirements of the lifting platform and the base are low, which facilitates the production of parts and saves product costs; on the other hand, it can ensure that the fitting part always moves along the base spiral part during the lifting process of the lifting platform, avoiding the shaking of the lifting platform during the rising or falling process, which is conducive to the rotation of the lifting platform around the center line and facilitates the connection between the drive shaft and the stirring component.

[0009] In some embodiments, the helix angle of the base helix is ​​α, where 100 degrees ≤ α ≤ 300 degrees.

[0010] As described above, since 100 degrees ≤ a ≤ 300 degrees, the lifting component will not need to rotate a large range around the base to reach the target position due to a small angle. This would make it difficult for the consumer to apply force to the mixing cup assembly, as a large rotation range might cause the mixing cup assembly to collide with the main unit of the food processor, making it inconvenient for the consumer to operate. Conversely, the base spiral section will not be too steep due to a large angle, requiring a large force to be applied to the mixing cup assembly to rotate the lifting platform.

[0011] In some embodiments, the spiral portion of the base is perpendicular to the outer wall surface of the base and spirals upward around the center line. The support portion is parallel to the horizontal plane, or the support portion is recessed in a direction away from the lifting platform.

[0012] As described above, since the base helical part is perpendicular to the outer wall surface of the base, the base structure is simple and easy to manufacture. The support part is parallel to the horizontal direction, or recessed in a direction away from the lifting platform. This structure, combined with the anti-detachment limiting structure and the clearance fit between the lifting component and the cavity wall, ensures that when the lifting platform is in the target position, it is not easy for the lifting platform to retract from the support part and descend along the base helical part. Ultimately, this ensures that the lifting object does not easily shake during operation and is stable. In addition, since the base helical part is perpendicular to the outer wall surface, and the support part is connected to the base helical part, both the base helical part and the support part are surfaces. The lifting of the lifting platform is achieved through the mating parts and surface fit. The base structure is simple, which can reduce the cost of components.

[0013] In some embodiments, when the support portion is parallel to the horizontal plane, the length of the support portion is L, where 3mm ≤ L ≤ 20mm.

[0014] As described above, since 3mm≤L≤20mm, the support part has sufficient length. When the lifting platform is in the target position, the lifting platform is not easy to retract from the support part and descend along the spiral part of the base. Ultimately, this ensures that the lifting object is not easy to shake during operation and is stable.

[0015] In some embodiments, the base spiral portion is spiraled on the outer wall surface of the base; the base is inserted between the lifting bracket and the lifting member with a clearance fit, and / or the fitting portion is a protrusion.

[0016] As described above, because the base spiral portion spirals on the outer wall surface of the base, and the base is inserted between the lifting bracket and the lifting component with a clearance fit, the mating part always moves on the base spiral portion and the support portion. Therefore, the lifting platform is less prone to swaying during ascent or descent, which facilitates the rotation of the lifting platform around the center line and makes it easier to connect the drive shaft to the stirring component. When the mating part is a protrusion, the protrusion mates with the base spiral portion, resulting in a simple structure, facilitating the manufacture of the lifting platform, and reducing the cost of the lifting components.

[0017] In some embodiments, the anti-detachment limiting structure includes an inner spiral portion disposed on the cavity wall and a moving portion disposed on the lifting member, wherein the moving portion moves along the inner spiral portion during the lifting process of the lifting platform; the anti-detachment limiting structure also includes a limiting portion located at the end of the inner spiral portion, wherein at the target position, the limiting portion restricts the lifting platform from rotating and detaching from the receiving cavity.

[0018] As described above, since the anti-detachment limiting structure includes the inner spiral part and the limiting part, the inner spiral part cooperates with the moving part to limit the rise of the lifting platform, further ensuring that the lifting platform is not easily shaken during the lifting process. This facilitates the rotation of the lifting platform around the center line, making it easier for the drive shaft to connect with the stirring component. Furthermore, it ensures that the object being lifted is not easily shaken during the lifting process, facilitating the rotation of the lifting platform around the center line and making it easier for the drive shaft to connect with the stirring component. The inner spiral part is spiral-shaped, and the base spiral part is also spiral-shaped, which helps ensure smooth movement of the lifting platform.

[0019] In some embodiments, the cavity wall is recessed to form the inner spiral portion, the inner spiral portion being perpendicular to the cavity wall; the limiting portion includes a hook portion connected to the inner spiral portion, and a limiting wall located on the side of the hook portion; at the target position, the hook portion hooks the moving portion, and the moving portion is blocked by the limiting wall.

[0020] As described above, at the target position, the hook engages the moving part, ensuring that the lifting platform will not detach from the receiving cavity. If the lifting platform continues to rotate along the hook, the limiting wall will prevent further rotation. Since the hook has a certain length, the lifting component is also less likely to retract into the inner spiral portion. This ensures that the lifting platform is supported by the support portion at the target position, preventing it from wobbling and promoting stable operation. Furthermore, the inner spiral portion is perpendicular to the cavity wall and forms a surface; the interaction between the moving part and this surface reduces component costs.

[0021] In some embodiments, the helix angle of the inner helix portion is equal to the helix angle of the base helix portion.

[0022] As described above, the lifting platform is raised and lowered by the movement of the mating part along the spiral part of the base. During this process, the moving part moves along the inner spiral part, and the spiral angles are equal, further ensuring smooth movement of the lifting platform during the lifting process.

[0023] In some embodiments, in a cross section parallel to the center line, the inner spiral portion is lower than the base spiral portion.

[0024] As described above, since the moving part moves along the inner spiral part and the mating part moves along the base spiral part, when the inner spiral part is lower than the base spiral part, from the cross-section, the base spiral part is located between the inner spiral part and the mating part. Therefore, the cooperation between the lifting bracket, the lifting component and the base helps to ensure smooth movement of the lifting platform during the lifting process, and helps to ensure that the lifting platform is not easy to shake during the lifting process, and helps the lifting platform to rotate around the center line, which facilitates the connection between the drive shaft and the stirring component.

[0025] In some embodiments, the base helical portion and the inner helical portion are evenly distributed around the circumference of the base, and the base helical portion and the inner helical portion are alternately distributed around the circumference of the base.

[0026] As described above, the aforementioned circumferential arrangement and the alternating distribution of the base spiral portion and the inner spiral portion provide mutual support. This ensures that the lifting platform experiences uniform force during lifting, making it less prone to swaying. It also facilitates the rotation of the lifting platform around the center line, making it easier to connect the drive shaft to the stirring component. Consequently, the lifting platform can be positioned more precisely at the target location.

[0027] In some embodiments, both the base spiral portion and the support portion are channels, and the support portion serves as the anti-detachment limiting structure.

[0028] As described above, since both the base spiral part and the support part are channels, and the mating part moves within the channels, the structure of the lifting assembly is simple.

[0029] Secondly, this application discloses a food processor. The food processor includes a main unit and a blending cup assembly. The blending cup assembly includes a blending cup and a blending element. The main unit includes any of the aforementioned lifting components and a drive component. The drive component includes a drive shaft. The blending cup assembly is assembled with the lifting platform and rises and falls with the lifting platform until the drive shaft is connected to the blending element. The drive component drives the drive shaft. The drive shaft causes the blending element to rotate within the blending cup.

[0030] As described above, the food processor has at least the beneficial effects of the lifting assembly.

[0031] In some embodiments, the stirring cup assembly includes a fixing and releasing mechanism; while the stirring cup assembly is not raised to the release position, the fixing and releasing mechanism fixes the stirring element; when the stirring cup assembly is raised to the release position, the host triggers the fixing and releasing mechanism to release the stirring element.

[0032] As described above, the lifting component drives the stirring cup assembly to rise, so that the host triggers the fixed release mechanism to release the stirring component, making it convenient to release the stirring component.

[0033] In some embodiments, the main unit includes a main unit housing and a lifting mechanism, the drive assembly includes the drive shaft, the lifting mechanism is connected to the drive assembly and drives the drive assembly to move up and down within the main unit housing; the drive shaft drives the stirring element to move up and down within the stirring cup.

[0034] As described above, the stirring component is raised and lowered by the overall lifting and lowering of the drive assembly. Compared with raising and lowering only the drive shaft to raise and lower the stirring component, this avoids the drive shaft and other components from becoming loose due to lifting and lowering, which can cause noise and other issues. This ensures smoother drive shaft movement and lower noise in the food processor. Attached Figure Description

[0035] Figure 1 This is a perspective view of the food processor of this application, showing that the lifting object (i.e., the mixing cup assembly) has not risen;

[0036] Figure 2 yes Figure 1 An exploded view of the food processor shown;

[0037] Figure 3 yes Figure 1 The cross-sectional view of the food processor shown illustrates that the mixing bowl assembly is raised, the mixing blades are connected to the drive shaft, and the mixing blades are located at the top of the mixing bowl.

[0038] Figure 4 yes Figure 1 The cross-sectional view of the food processor shown illustrates the rising of the mixing bowl assembly and the mixing blades being driven to the bottom of the mixing bowl by the drive shaft.

[0039] Figure 5 This is an exploded view of the lifting assembly of this application, and also shows part of the structure of the base housing;

[0040] Figure 6 This is a perspective view of the lifting platform of the lifting assembly of this application;

[0041] Figure 7 yes Figure 6 A cross-sectional view of the lifting platform shown;

[0042] Figure 8 yes Figure 7 The main view;

[0043] Figure 9 This is a schematic diagram of the lifting component of the lifting platform of this application at one angle;

[0044] Figure 10 This is a schematic diagram of the lifting component of the lifting platform of this application from another angle;

[0045] Figure 11 This is a schematic diagram of the lifting support of the lifting platform of this application;

[0046] Figure 12 This is a schematic diagram of the base of the lifting assembly of this application;

[0047] Figure 13 yes Figure 12 An enlarged view of part A;

[0048] Figure 14 This is a cross-sectional view of the lifting assembly of this application, showing that the lifting platform is not lifting and is in the initial position;

[0049] Figure 15 yes Figure 14 Enlarged view of section B;

[0050] Figure 16 This is a cross-sectional view of the lifting assembly of this application, showing the lifting platform being raised to the target position;

[0051] Figure 17 yes Figure 16 Enlarged view of section C;

[0052] Figure 18 This is a schematic diagram of a fixed release mechanism according to this application, showing the fixed agitator component of the fixed release mechanism;

[0053] Figure 19 This is a schematic diagram of a fixed release mechanism according to this application, illustrating the fixed release mechanism releasing the stirring component. Detailed Implementation

[0054] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0055] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0056] See Figures 5 to 8 , Figure 12 , Figure 13 , Figure 14 and Figure 16 This application discloses a lifting assembly 10. The lifting assembly 10 includes a base 1 and a lifting platform 2. The lifting platform 2 includes a lifting bracket 21 and a lifting component 22. The lifting bracket 21 and the lifting component 22 can be assembled using any structure (e.g., integral molding or assembly using screws or other assembly structures), as long as they rise or fall as a whole. See 12 to... Figure 14 and Figure 16 The base 1 includes a receiving cavity 11. The lifting member 22 is inserted into the receiving cavity 11 and also has a clearance fit with the cavity wall 111 of the receiving cavity 11. The insertion method is not limited to... Figure 14 and Figure 16 The structure is shown. An anti-detachment limiting structure is provided between the lifting component 22 and the cavity wall 111. The structure of the anti-detachment limiting structure is not limited, as long as it can achieve the function described below.

[0057] See Figure 12 , Figure 13 , Figure 16 and Figure 17 The base 1 includes a base spiral portion 12 spirally arranged around its centerline and a support portion 13 connected to the base spiral portion 12. The centerline extends along the lifting direction of the lifting platform 2. The lifting direction is vertical, meaning the centerline is a straight line in the vertical direction, and can be considered to coincide with the rotation center of the drive shaft 20030. (See also...) Figures 6 to 8 as well as Figures 11 to 17 The lifting bracket 21 is provided with a mating part 211. The structure of the mating part 211 is not limited; in some embodiments, the mating part 211 is a protrusion. The protrusion mates with the base spiral part 12, resulting in a simple structure that facilitates the manufacture of the lifting platform and reduces the cost of the lifting components. Since the mating part 211 is located on the support part 13, to enhance the strength of the mating part 211, the lifting bracket 21 also includes a reinforcing rib 210 connected to the mating part 211. The reinforcing rib 210 extends along the height direction of the lifting bracket 21.

[0058] The lifting object (in this embodiment, the stirring cup assembly 100) is assembled onto the lifting component 22. This assembly can be a fixed assembly or a detachable assembly, as long as the lifting object rises or falls with the lifting platform 2. See one structure for implementing a detachable assembly. Figure 9 The lifting component 22 is provided with a buckle 220. The stirring cup assembly 100 is provided with a mating buckle, which engages with the buckle 220 to achieve detachable assembly. Of course, the object to be lifted is not limited to being assembled on the lifting component 22, as long as it can rise and fall with the lifting platform 2.

[0059] See Figures 14 to 17 and combined Figure 1 , Figure 3 and Figure 4 Taking the stirring cup assembly 100 as an example, the working principle of the lifting assembly 10 of this application is described as follows:

[0060] The rising process of the object being lifted: Figure 1 , Figure 14 and Figure 15 This illustrates that the mixing cup assembly 100 has not risen (it is in its initial position). Figure 1 , Figure 14 and Figure 15 In the state shown, when a force is applied to the stirring cup assembly 100 in the first direction, the mating part 211 will move along... Figure 6 After the base spiral section 12 shown rises to its highest point, the lifting platform 2 continues to rotate, causing the mating part 211 to move along the support part 13, thereby reaching the target position. See also Figure 16 , Figure 17 , Figure 12 and Figure 13 When the lifting platform 2 rises to the target position, the mating part 211 is located on the support part 13 and supported by the support part 13. At the target position, the anti-detachment limiting structure restricts the rotation of the lifting platform 2 (e.g., continued rotation) and its disengagement from the receiving cavity 11. During the rising process (i.e., from...) Figure 14 Change to Figure 16 During the process shown, the lifting member 22 and the base 1 are in an inserted state. The state of the stirring cup assembly 100 after it has risen can be seen in [reference needed]. Figure 3 , Figure 4 and Figure 16 .

[0061] The descent process of the lifting object: A second force is applied to the stirring cup assembly 100, the second direction being opposite to the first direction. The stirring cup assembly 100 rotates, causing the mating part 211 to first move along the support part 13, and then move along the base spiral part 12 to descend to the initial position, that is, the stirring cup assembly 100 descends from... Figure 16 , Figure 4 and Figure 3 The state changes shown are Figure 1 The state shown. Comparison. Figure 16 and Figure 14 During the descent of the lifting platform 2, the lifting component 22 is in an inserted state with the base 1.

[0062] As described above, the mating part 211 and the base spiral part 12 cooperate to raise the lifting platform 2 to the target position. At the target position, the mating part 211 is supported by the support part 13. In this position, the stirring element 20 within the stirring cup assembly 100 is driven to rotate by the drive assembly. However, because the mating part 211 is supported by the support part 13, and the anti-detachment limiting structure restricts the rotation of the lifting platform 2 and its disengagement from the receiving cavity 11, the lifting platform 2 is less prone to shaking (for example, it is less likely that the mating part 211 will retract into the base spiral part 12 due to the operation of the stirring cup assembly 100, causing the lifting element 22 to descend). Ultimately, this helps to prevent the lifted object (stirring cup assembly 100) from shaking, ensuring stable operation and avoiding damage and danger during operation.

[0063] Furthermore, in the above-mentioned lifting assembly, only a force needs to be applied to the object to be lifted to make the base spiral part cooperate with the mating part to complete the lifting of the object. Therefore, the lifting assembly 10 is simple and convenient for consumers to use.

[0064] Finally, because the lifting component 22 is inserted into the receiving cavity 11 and has a clearance fit with the cavity wall 111 of the receiving cavity 11, and the mating part 211 is mated with the base spiral part 12, on the one hand, the lifting platform 2 and the base 1 have low requirements for structural precision, which facilitates the production of parts and saves product costs; on the other hand, it can ensure that during the lifting process of the lifting platform 2, the mating part 211 always moves along the base spiral part 12, which avoids the lifting platform 2 from shaking during the rising or falling process, which is conducive to the lifting platform rotating around the center line and facilitates the connection between the drive shaft and the stirring component.

[0065] In some embodiments, the helix angle of the base helical part 12 is α, 100 degrees ≤ α ≤ 300 degrees, such as 100 degrees, 105 degrees, 110 degrees, 120 degrees, 130 degrees, 140 degrees, 150 degrees, 160 degrees, 170 degrees, 180 degrees, 200 degrees, 210 degrees, 220 degrees, 230 degrees, 240 degrees, 250 degrees, 260 degrees, 270 degrees, 280 degrees, 290 degrees, or 300 degrees, etc.

[0066] As described above, since 100 degrees ≤ a ≤ 300 degrees, the lifting component 22 will not need to rotate a large range around the base 1 to reach the target position due to the small angle. This would make it difficult for the consumer to apply force to the mixing cup assembly 100. For example, a large rotation range might cause the mixing cup assembly 100 to collide with the main unit of the food processor, making it inconvenient for the consumer to operate. Conversely, the base spiral part 12 will not be too steep due to the large angle, requiring a large force to be applied to the mixing cup assembly 100 to rotate the lifting platform 2.

[0067] See Figure 12 and Figure 13 The base spiral portion 12 is perpendicular to the outer wall surface 120 of the base 1 and spirals upward around the center line. The support portion 13 is parallel to the horizontal plane. In other embodiments, the support portion 13 is recessed in a direction away from the lifting platform 2.

[0068] As described above, since the base spiral portion 12 is perpendicular to the outer wall surface 120 of the base 1, the structure of the base 1 is simple and easy to process. For example, the base spiral portion 12 can be formed by removing a portion of the outer wall surface of the base. The support portion 13 is parallel to the horizontal direction, or recessed away from the lifting platform 2. This structure, combined with the anti-detachment limiting structure and the clearance fit between the lifting component 22 and the cavity wall 111, prevents the lifting platform 2 from easily retracting from the support portion 13 and descending along the base spiral portion 12 when the lifting platform 2 is in the target position. Ultimately, this ensures that the lifting object does not easily shake during operation and is stable. In addition, since the base spiral portion 12 is perpendicular to the outer wall surface 120 and the support portion 13 is connected to the base spiral portion 12, both the base spiral portion 12 and the support portion 13 are surfaces. The lifting of the lifting platform 2 is achieved through the mating portion 211 mating with the surfaces. The structure of the base is simple, which can reduce the cost of components.

[0069] Referring to the figure, when the support part 13 is parallel to the horizontal plane, the length of the support part 13 is L, 3mm≤L≤20mm, for example, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm or 20mm.

[0070] As described above, since 3mm≤L≤20mm, the support part 13 has sufficient length. When the lifting platform 2 is in the target position, the lifting platform 2 is not easy to retract from the support part 13 and descend along the base spiral part 12. Ultimately, this ensures that the lifting object is not easy to shake during operation and is stable.

[0071] See Figure 14 and Figure 16 The base helical portion 12 is spiraled on the outer wall surface 120 of the base 1. In this embodiment, the base helical portion 12 is not limited to... Figure 12 and Figure 13The structure shown could also be a spiral groove, etc. The base 1 is inserted between the lifting bracket 21 and the lifting member 22 with a clearance fit. Here, clearance fit is understood to mean that all parts except the base spiral part 12 and the support part 13 that fit with the fitting part 211 are clearance fit.

[0072] As described above, since the base spiral portion 12 is spiraled on the outer wall surface 120 of the base 1, and the base 1 is inserted between the lifting bracket 21 and the lifting component 22 with a clearance fit, the mating portion 211 always moves on the base spiral portion 12 and the support portion 13. As a result, the lifting platform 2 is not easy to shake during the rising or falling process, which is conducive to the lifting platform 2 rotating around the center line and facilitates the connection between the drive shaft 20030 and the stirring component 20.

[0073] See Figure 12 and Figure 13 The anti-detachment limiting structure includes an inner spiral portion 112 disposed on the cavity wall 111. See also Figures 6 to 8 , Figure 10 , Figures 14 to 17 The anti-detachment limiting structure also includes a moving part 221 disposed on the lifting member 22. During the lifting process of the lifting platform, the moving part 221 moves along the inner spiral part 112. The structure of the moving part 221 is not limited; for example, the moving part 221 can be a protrusion. By cooperating with the inner spiral part 112, the lifting platform is easier to manufacture, reducing the cost of the lifting assembly. The anti-detachment limiting structure also includes a limiting part 113 located at the end of the inner spiral part 112. At the target position, the limiting part 113 restricts the rotation of the lifting platform 2 and its disengagement from the receiving cavity 11. In this embodiment, the inner spiral part 112 and the limiting part 113 are not limited to the structure shown in the figure; for example, the inner spiral part 112 can also be a channel, and the limiting part 113 can also be a channel.

[0074] As described above, since the anti-detachment limiting structure includes the inner spiral part 112 and the limiting part 113, the inner spiral part 112 cooperates with the moving part 221 to limit the rise of the lifting platform 2, further ensuring that the lifting platform 2 is not easily shaken during the lifting process. This facilitates the rotation of the lifting platform around the center line, making it easier for the drive shaft to connect with the stirring component. Furthermore, it ensures that the object being lifted is not easily shaken during the lifting process, facilitating the rotation of the lifting platform around the center line and making it easier for the drive shaft to connect with the stirring component. The inner spiral part 112 is spiral-shaped, and the base spiral part 12 is also spiral-shaped, which helps ensure smooth movement of the lifting platform 2.

[0075] See Figure 12 and Figure 13The cavity wall 111 is recessed to form the inner spiral portion 112, which is perpendicular to the cavity wall 111. The limiting portion 113 includes a hook portion 1131 connected to the inner spiral portion 112, and a limiting wall 1132 located on the side of the hook portion 1131. At the target position, the hook portion 1131 hooks the moving part 221, and the moving part 221 is blocked by the limiting wall 1132. In this application, the hook portion 1131 is parallel to the horizontal plane, but it is not limited to this, as long as it meets the following conditions: 1) it can hook the moving part 221; 2) when the lifting platform 2 needs to descend, the moving part 221 can move from the hook portion 1131 to the inner spiral portion 112. The structure of the limiting wall 1132 is not limited. In this embodiment, the limiting wall 1132 extends along the center line.

[0076] As described above, at the target position, the hook 1131 engages with the moving part 221, ensuring that the lifting platform will not detach from the receiving cavity 11. If the lifting platform 2 continues to rotate along the hook 1131, the limiting wall 1132 will prevent the lifting platform 2 from continuing to rotate. Since the hook 1131 has a certain length, the lifting part 22 is also less likely to retract to the inner spiral part 112. Therefore, the lifting platform 2 is supported by the support part 13 at the target position, preventing it from wobbling and ensuring stable operation. Furthermore, the inner spiral part 112 is perpendicular to the cavity wall 111 and is a surface. The cooperation between the moving part 221 and this surface can reduce component costs.

[0077] In some embodiments, the helix angle of the inner helix portion 112 is equal to the helix angle of the base helix portion 12.

[0078] As described above, the mating part 211 moves along the base spiral part 12 to realize the lifting and lowering of the lifting platform 2. During this process, the moving part 221 moves along the inner spiral part 112, and the spiral angles are equal, further ensuring smooth movement of the lifting platform 2 during the lifting and lowering process.

[0079] See Figure 14 and Figure 15 In a cross-section parallel to the center line, the inner spiral portion 112 is lower than the base spiral portion 12.

[0080] As described above, since the moving part 221 moves along the inner spiral part 112 and the mating part 211 moves along the base spiral part 12, when the inner spiral part 112 is lower than the base spiral part 12, see... Figures 14 to 17As shown, from the cross-section, the base spiral part 12 is located between the inner spiral part 112 and the mating part 211. Furthermore, the cooperation between the lifting bracket 21, the lifting component 22 and the base 1 helps to ensure smooth movement of the lifting platform 2 during the lifting process, and helps to ensure that the lifting platform 2 is not easy to shake during the lifting process. It also helps the lifting platform to rotate around the center line, and facilitates the connection between the drive shaft and the stirring component.

[0081] See Figure 12 and Figure 13 The base spiral portion 12 and the inner spiral portion 112 are evenly distributed around the circumference of the base 1. In this embodiment, there are three base spiral portions 12 and three inner spiral portions 112, but the number is not limited to this; there are at least two. The base spiral portions 12 and the inner spiral portions 112 are alternately distributed around the circumference of the base 1. See [reference needed]. Figure 12 and Figure 13 They are arranged alternately in the counterclockwise direction, in the order of base spiral part 12, inner spiral part 112, base spiral part 12, inner spiral part 112, base spiral part 12 and inner spiral part 112.

[0082] As described above, since the base spiral part 12 and the inner spiral part 112 are arranged circumferentially and alternately distributed, they support each other, the lifting platform 2 is subjected to uniform force during the lifting process, the lifting platform 2 is not easy to shake during the lifting process, which is conducive to the lifting platform rotating around the center line, and facilitates the connection between the drive shaft and the stirring component. Correspondingly, the lifting platform 2 can also be located more accurately at the target position.

[0083] In such Figure 12 and Figure 13 In the illustrated embodiment, the base spiral portion 12 is a surface, and the mating portion 211 moves on the surface. Those skilled in the art will understand that in other embodiments, the base spiral portion 12 may also be a channel. In this case, the support portion 13 may or may not be a channel, but rather... Figure 12 and Figure 13 The structure shown. When the support part 13 is a channel, the support part 13 serves as the anti-detachment limiting structure, because at this time, the mating part 211 will be hooked by the channel wall so that the lifting platform 2 will not detach from the receiving cavity 11, and can also be blocked by the front wall of the support part 13 so that the lifting platform 2 cannot continue to rotate.

[0084] As described above, since both the base spiral part 12 and the support part 13 are channels, and the mating part 211 moves within the channels, the structure of the lifting assembly is simple.

[0085] See Figures 1 to 4This application discloses a food processor. The food processor includes a main unit 200 and a blending cup assembly 100. The blending cup assembly 100 includes a blending cup 30 and a blending element 20. The structure of the blending cup 30 is not limited; in this embodiment, the blending cup 30 includes an outer cup 301 and an inner cup 302. The main unit 200 includes any of the aforementioned lifting components 10 and a drive component 2003. The drive component 2003 includes a drive shaft 20030. The blending cup assembly 100 is assembled with the lifting platform 2 and rises and falls with the lifting platform 2 until the drive shaft 20030 is connected to the blending element 20. The drive shaft 20030 of the drive component 2003 rotates, causing the blending element 20 to rotate within the blending cup 30.

[0086] As described above, the food processor has at least the beneficial effects of the lifting assembly 10.

[0087] See Figure 18 and Figure 19 The stirring cup assembly 100 includes a fixing and releasing mechanism. While the stirring cup assembly 100 is not in the release position, the fixing and releasing mechanism fixes the stirring element 20; when the stirring cup assembly 100 rises to the release position, the fixing and releasing mechanism releases the stirring element 20. In some embodiments, the release position is lower than the target position. The mechanism of the fixing and releasing mechanism is not limited, as long as it can achieve the desired function. See one embodiment of the fixing and releasing mechanism. Figure 18 and Figure 19 The fixing and releasing mechanism 1001 is disposed on the cup lid 1000 of the stirring cup assembly 100, and includes an operating member 1002 and an elastic member 1003. The cup lid 1000 includes a connecting hole. The operating member 1002 includes a releasing part 10021 and a fixing part 10022. The elastic member 1003 is located between the operating member 1002 and the elastic member mounting part 1004 of the cup lid.

[0088] The process of releasing the stirring element 20 is as follows: the stirring cup assembly 100 rises and applies a force to the operating element 1002, causing the operating element 1002 to move along... Figure 18 and Figure 19 The movement in the direction of the middle arrow r causes the fixing part 10022 to move away from the connecting hole and the connecting hole of the stirring member 20, while the release part 10021 is located in the connecting hole, thereby releasing the stirring member 20. Because the hole-shaped release part 10021 is larger than the connecting head, the drive shaft 20030 can drive the stirring member 20 to move up and down within the stirring cup 30. In some embodiments, the stirring member 20 may not move up and down.

[0089] The process of fixing the stirring element 20 is as follows: With the connector of the stirring element 20 inserted and the operating element 1002 not operated, the elastic force of the elastic element 1003 causes the operating element 1002 to move along... Figure 18 and Figure 19 The middle arrow moves in the direction of R, thereby releasing part 10021 away from the connection hole, and fixing part 10022 is located at the connection hole to fix the stirring component 20.

[0090] As described above, the lifting component 10 drives the stirring cup component to rise, so that the host triggers the fixed release mechanism to release the stirring component 20, making it convenient to release the stirring component 20.

[0091] See Figure 2 , Figure 6 and Figure 7 See Figures 1 to 7 The main unit 200 includes a main unit housing 2002, a drive assembly 2003, and a lifting mechanism 2004. The drive assembly 2003 includes a drive shaft 20030, a drive motor 20031, and a gearbox assembly 20032. The input end of the gearbox assembly 20032 is connected to the drive motor 20031. The output end of the gearbox assembly 20032 is connected to the drive shaft 20030. The lifting mechanism 2004 is connected to the drive assembly 2003. In this application, the lifting mechanism 2004 includes a lifting motor 20041, a screw 20042, and a guide mechanism. Thus, the lifting mechanism 2004 drives the drive assembly 2003 (drive shaft 20030, drive motor 20031, and gearbox assembly 20032) to move up and down within the main unit housing 2002. When the stirring element 20 is released, the drive shaft 20030 drives the stirring element 20 to move up and down within the stirring cup 30. The principle by which the lifting mechanism 2004 drives the drive assembly 2003 to rise and fall is the same as that of the lead screw, and will not be repeated here. See also Figure 2 , Figure 3 and Figure 4 The main housing 2002 includes a base housing 20021, a lower head housing 20022, and a upper head housing 20023. The upper head housing 20023, the lower head housing 20022, and the base housing 20021 form a cavity to accommodate the drive assembly 2003. Figure 3 and Figure 4 , Figure 3 The diagram shows that the drive assembly 2003 has not yet descended, and the stirring element 20 connected to the drive shaft 20030 is located at the top of the stirring cup 30. Figure 4 The diagram illustrates the downward movement of the drive assembly 2003, which in turn causes the stirring element 20, connected to the drive shaft 20030, to descend to the bottom of the stirring cup 30. Figures 1 to 4 and Figure 5 A comparison reveals that the base housing 20021 includes a base bottom cover 200211 and a base top cover 200212. The base 1 of the lifting assembly 10 is a part of the base bottom cover 200211.

[0092] As described above, the stirring component 20 is raised and lowered by the overall lifting and lowering of the drive assembly 2003. Compared with raising and lowering only the drive shaft 20030 to raise and lower the stirring component 20, this avoids the drive shaft 20030 from becoming loose or generating noise due to the lifting and lowering of other components, ensuring smoother movement of the drive shaft 20030 and lower noise in the food processor.

[0093] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A lift assembly, comprising: The lifting assembly comprises a base (1) and a lifting platform (2), wherein: The lifting platform (2) comprises a lifting support (21) and a lifting piece (22), the base (1) comprises a containing cavity (11), the lifting piece (22) is inserted into the containing cavity (11) and is in clearance fit with a cavity wall (111) of the containing cavity (11), and an anti-disengagement limiting structure is arranged between the lifting piece (22) and the cavity wall (111); The base (1) comprises a base helical part (12) spiraling around a center line of the base (1) and a supporting part (13) connected with the base helical part (12), the center line extends along a lifting direction of the lifting platform (2), and the lifting support (21) is provided with a matching part (211); The matching part (211) and the base helical part (12) are matched to make the lifting platform (2) rise to a target position or fall to an initial position, in the target position, the matching part (211) is located on the supporting part (13) and is supported by the supporting part (13), and the anti-disengagement limiting structure limits rotation of the lifting platform (2) and disengagement of the lifting platform (2) from the containing cavity (11), and in the lifting process of the lifting platform (2), the lifting piece (22) is in an inserted state with the base (1).

2. The lift assembly of claim 1, wherein, The helical angle of the base helical part (12) is a, and 100 degrees ≤ a ≤ 300 degrees.

3. The lift assembly of claim 1, wherein, The base helical part (12) is perpendicular to an outer wall surface (120) of the base (1) and spirals upward around the center line. The supporting part (13) is parallel to a horizontal plane, or the supporting part (13) is recessed in a direction away from the lifting platform (2).

4. The lift assembly of claim 3, wherein, In the case that the supporting part (13) is parallel to the horizontal plane, the length of the supporting part (13) is L, and 3 mm ≤ L ≤ 20 mm.

5. The lift assembly of claim 1, wherein, The base helical part (12) spirals on the outer wall surface of the base (1), the base (1) is inserted between the lifting support (21) and the lifting piece (22) and is in clearance fit, and / or the matching part (211) is a protruding block.

6. The lift assembly of claim 1, wherein, The anti-disengagement limiting structure comprises an inner helical part (112) arranged on the cavity wall (111) and a moving part (221) arranged on the lifting piece (22), in the lifting process of the lifting platform (2), the moving part (221) moves along the inner helical part (112); The anti-disengagement limiting structure further comprises a limiting part (113) located at an end of the inner helical part (112), in the target position, the limiting part (113) limits rotation of the lifting platform (2) and disengagement of the lifting platform (2) from the containing cavity (11).

7. The lift assembly of claim 6, wherein, The cavity wall (111) is recessed to form the inner helical part (112), and the inner helical part (112) is perpendicular to the cavity wall (111). The limiting part (113) comprises a hook part (1131) connected with the inner spiral part (112), and a limiting wall (1132) located at the side of the hook part (1131); in the target position, the hook part (1131) hooks the moving part (221), and the moving part (221) is blocked by the limiting wall (1132); And / or, the spiral angle of the inner spiral part (112) and the spiral angle of the base spiral part (12) are equal.

8. The lift assembly of claim 6, wherein, In the cross section parallel to the center line, the inner spiral part (112) is lower than the base spiral part (12); And / or, the base spiral part (12) and the inner spiral part (112) are uniformly distributed around the circumference of the base (1) respectively, and the base spiral part (12) and the inner spiral part (112) are alternately distributed around the circumference of the base (1).

9. The lift assembly of claim 1, wherein, The base spiral part (12) and the support part (13) are both channels, and the support part (13) serves as the anti-disengagement limiting structure.

10. A food processor, characterized in that, The food processor comprises a main machine (200) and a stirring cup assembly (100), the stirring cup assembly (100) comprises a stirring cup (30) and a stirring part (20), the main machine (200) comprises the lifting assembly (10) of any one of claims 1-9 and a driving assembly (2003); the driving assembly (2003) comprises a driving shaft (20030), the stirring cup assembly (100) is assembled with the lifting platform (2) and lifts with the lifting platform (2) until the driving shaft (20030) is connected with the stirring part (20); the driving shaft (20030) of the driving assembly (2003) rotates to drive the stirring part (20) to rotate in the stirring cup (30).

11. The food processor of claim 10, wherein, The stirring cup assembly (100) comprises a fixed release mechanism; during the process that the stirring cup assembly (100) does not rise to the release position, the fixed release mechanism fixes the stirring part (20); when the stirring cup assembly (100) rises to the release position, the fixed release mechanism releases the stirring part (20); And / or, the main machine (200) comprises a main machine shell (2002) and a lifting mechanism (2004); the lifting mechanism (2004) is connected with the driving assembly (2003) to drive the driving assembly (2003) to lift in the main machine shell (2002); the driving shaft (20030) drives the stirring part (20) to lift in the stirring cup (30).

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